2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
246 extern int tinyLayout, smallLayout;
247 ChessProgramStats programStats;
248 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
250 static int exiting = 0; /* [HGM] moved to top */
251 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
252 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
253 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
254 int partnerHighlight[2];
255 Boolean partnerBoardValid = 0;
256 char partnerStatus[MSG_SIZ];
258 Boolean originalFlip;
259 Boolean twoBoards = 0;
260 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
261 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
262 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
263 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
264 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
265 int opponentKibitzes;
266 int lastSavedGame; /* [HGM] save: ID of game */
267 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
268 extern int chatCount;
270 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 char lastMsg[MSG_SIZ];
272 ChessSquare pieceSweep = EmptySquare;
273 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
274 int promoDefaultAltered;
275 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
277 /* States for ics_getting_history */
279 #define H_REQUESTED 1
280 #define H_GOT_REQ_HEADER 2
281 #define H_GOT_UNREQ_HEADER 3
282 #define H_GETTING_MOVES 4
283 #define H_GOT_UNWANTED_HEADER 5
285 /* whosays values for GameEnds */
294 /* Maximum number of games in a cmail message */
295 #define CMAIL_MAX_GAMES 20
297 /* Different types of move when calling RegisterMove */
299 #define CMAIL_RESIGN 1
301 #define CMAIL_ACCEPT 3
303 /* Different types of result to remember for each game */
304 #define CMAIL_NOT_RESULT 0
305 #define CMAIL_OLD_RESULT 1
306 #define CMAIL_NEW_RESULT 2
308 /* Telnet protocol constants */
319 safeStrCpy (char *dst, const char *src, size_t count)
322 assert( dst != NULL );
323 assert( src != NULL );
326 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
327 if( i == count && dst[count-1] != NULLCHAR)
329 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
330 if(appData.debugMode)
331 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
337 /* Some compiler can't cast u64 to double
338 * This function do the job for us:
340 * We use the highest bit for cast, this only
341 * works if the highest bit is not
342 * in use (This should not happen)
344 * We used this for all compiler
347 u64ToDouble (u64 value)
350 u64 tmp = value & u64Const(0x7fffffffffffffff);
351 r = (double)(s64)tmp;
352 if (value & u64Const(0x8000000000000000))
353 r += 9.2233720368547758080e18; /* 2^63 */
357 /* Fake up flags for now, as we aren't keeping track of castling
358 availability yet. [HGM] Change of logic: the flag now only
359 indicates the type of castlings allowed by the rule of the game.
360 The actual rights themselves are maintained in the array
361 castlingRights, as part of the game history, and are not probed
367 int flags = F_ALL_CASTLE_OK;
368 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
369 switch (gameInfo.variant) {
371 flags &= ~F_ALL_CASTLE_OK;
372 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
373 flags |= F_IGNORE_CHECK;
375 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
378 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
380 case VariantKriegspiel:
381 flags |= F_KRIEGSPIEL_CAPTURE;
383 case VariantCapaRandom:
384 case VariantFischeRandom:
385 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
386 case VariantNoCastle:
387 case VariantShatranj:
391 flags &= ~F_ALL_CASTLE_OK;
399 FILE *gameFileFP, *debugFP, *serverFP;
400 char *currentDebugFile; // [HGM] debug split: to remember name
403 [AS] Note: sometimes, the sscanf() function is used to parse the input
404 into a fixed-size buffer. Because of this, we must be prepared to
405 receive strings as long as the size of the input buffer, which is currently
406 set to 4K for Windows and 8K for the rest.
407 So, we must either allocate sufficiently large buffers here, or
408 reduce the size of the input buffer in the input reading part.
411 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
412 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
413 char thinkOutput1[MSG_SIZ*10];
415 ChessProgramState first, second, pairing;
417 /* premove variables */
420 int premoveFromX = 0;
421 int premoveFromY = 0;
422 int premovePromoChar = 0;
424 Boolean alarmSounded;
425 /* end premove variables */
427 char *ics_prefix = "$";
428 enum ICS_TYPE ics_type = ICS_GENERIC;
430 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
431 int pauseExamForwardMostMove = 0;
432 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
433 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
434 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
435 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
436 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
437 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
438 int whiteFlag = FALSE, blackFlag = FALSE;
439 int userOfferedDraw = FALSE;
440 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
441 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
442 int cmailMoveType[CMAIL_MAX_GAMES];
443 long ics_clock_paused = 0;
444 ProcRef icsPR = NoProc, cmailPR = NoProc;
445 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
446 GameMode gameMode = BeginningOfGame;
447 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
448 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
449 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
450 int hiddenThinkOutputState = 0; /* [AS] */
451 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
452 int adjudicateLossPlies = 6;
453 char white_holding[64], black_holding[64];
454 TimeMark lastNodeCountTime;
455 long lastNodeCount=0;
456 int shiftKey, controlKey; // [HGM] set by mouse handler
458 int have_sent_ICS_logon = 0;
460 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
461 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
462 Boolean adjustedClock;
463 long timeControl_2; /* [AS] Allow separate time controls */
464 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
465 long timeRemaining[2][MAX_MOVES];
466 int matchGame = 0, nextGame = 0, roundNr = 0;
467 Boolean waitingForGame = FALSE;
468 TimeMark programStartTime, pauseStart;
469 char ics_handle[MSG_SIZ];
470 int have_set_title = 0;
472 /* animateTraining preserves the state of appData.animate
473 * when Training mode is activated. This allows the
474 * response to be animated when appData.animate == TRUE and
475 * appData.animateDragging == TRUE.
477 Boolean animateTraining;
483 Board boards[MAX_MOVES];
484 /* [HGM] Following 7 needed for accurate legality tests: */
485 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
486 signed char initialRights[BOARD_FILES];
487 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
488 int initialRulePlies, FENrulePlies;
489 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
491 Boolean shuffleOpenings;
492 int mute; // mute all sounds
494 // [HGM] vari: next 12 to save and restore variations
495 #define MAX_VARIATIONS 10
496 int framePtr = MAX_MOVES-1; // points to free stack entry
498 int savedFirst[MAX_VARIATIONS];
499 int savedLast[MAX_VARIATIONS];
500 int savedFramePtr[MAX_VARIATIONS];
501 char *savedDetails[MAX_VARIATIONS];
502 ChessMove savedResult[MAX_VARIATIONS];
504 void PushTail P((int firstMove, int lastMove));
505 Boolean PopTail P((Boolean annotate));
506 void PushInner P((int firstMove, int lastMove));
507 void PopInner P((Boolean annotate));
508 void CleanupTail P((void));
510 ChessSquare FIDEArray[2][BOARD_FILES] = {
511 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
512 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
513 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
514 BlackKing, BlackBishop, BlackKnight, BlackRook }
517 ChessSquare twoKingsArray[2][BOARD_FILES] = {
518 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
519 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
521 BlackKing, BlackKing, BlackKnight, BlackRook }
524 ChessSquare KnightmateArray[2][BOARD_FILES] = {
525 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
526 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
527 { BlackRook, BlackMan, BlackBishop, BlackQueen,
528 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
531 ChessSquare SpartanArray[2][BOARD_FILES] = {
532 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
533 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
534 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
535 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
538 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
539 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
540 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
541 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
542 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
545 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
546 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
547 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
548 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
549 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
552 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
553 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
554 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackMan, BlackFerz,
556 BlackKing, BlackMan, BlackKnight, BlackRook }
560 #if (BOARD_FILES>=10)
561 ChessSquare ShogiArray[2][BOARD_FILES] = {
562 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
563 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
564 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
565 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
568 ChessSquare XiangqiArray[2][BOARD_FILES] = {
569 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
570 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
571 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
572 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
575 ChessSquare CapablancaArray[2][BOARD_FILES] = {
576 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
577 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
579 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
582 ChessSquare GreatArray[2][BOARD_FILES] = {
583 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
584 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
585 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
586 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
589 ChessSquare JanusArray[2][BOARD_FILES] = {
590 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
591 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
592 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
593 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
596 ChessSquare GrandArray[2][BOARD_FILES] = {
597 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
598 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
599 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
600 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
604 ChessSquare GothicArray[2][BOARD_FILES] = {
605 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
606 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
607 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
608 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
611 #define GothicArray CapablancaArray
615 ChessSquare FalconArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
617 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
619 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
622 #define FalconArray CapablancaArray
625 #else // !(BOARD_FILES>=10)
626 #define XiangqiPosition FIDEArray
627 #define CapablancaArray FIDEArray
628 #define GothicArray FIDEArray
629 #define GreatArray FIDEArray
630 #endif // !(BOARD_FILES>=10)
632 #if (BOARD_FILES>=12)
633 ChessSquare CourierArray[2][BOARD_FILES] = {
634 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
635 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
636 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
637 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
639 #else // !(BOARD_FILES>=12)
640 #define CourierArray CapablancaArray
641 #endif // !(BOARD_FILES>=12)
644 Board initialPosition;
647 /* Convert str to a rating. Checks for special cases of "----",
649 "++++", etc. Also strips ()'s */
651 string_to_rating (char *str)
653 while(*str && !isdigit(*str)) ++str;
655 return 0; /* One of the special "no rating" cases */
663 /* Init programStats */
664 programStats.movelist[0] = 0;
665 programStats.depth = 0;
666 programStats.nr_moves = 0;
667 programStats.moves_left = 0;
668 programStats.nodes = 0;
669 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
670 programStats.score = 0;
671 programStats.got_only_move = 0;
672 programStats.got_fail = 0;
673 programStats.line_is_book = 0;
678 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
679 if (appData.firstPlaysBlack) {
680 first.twoMachinesColor = "black\n";
681 second.twoMachinesColor = "white\n";
683 first.twoMachinesColor = "white\n";
684 second.twoMachinesColor = "black\n";
687 first.other = &second;
688 second.other = &first;
691 if(appData.timeOddsMode) {
692 norm = appData.timeOdds[0];
693 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
695 first.timeOdds = appData.timeOdds[0]/norm;
696 second.timeOdds = appData.timeOdds[1]/norm;
699 if(programVersion) free(programVersion);
700 if (appData.noChessProgram) {
701 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
702 sprintf(programVersion, "%s", PACKAGE_STRING);
704 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
705 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
706 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
711 UnloadEngine (ChessProgramState *cps)
713 /* Kill off first chess program */
714 if (cps->isr != NULL)
715 RemoveInputSource(cps->isr);
718 if (cps->pr != NoProc) {
720 DoSleep( appData.delayBeforeQuit );
721 SendToProgram("quit\n", cps);
722 DoSleep( appData.delayAfterQuit );
723 DestroyChildProcess(cps->pr, cps->useSigterm);
726 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
730 ClearOptions (ChessProgramState *cps)
733 cps->nrOptions = cps->comboCnt = 0;
734 for(i=0; i<MAX_OPTIONS; i++) {
735 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
736 cps->option[i].textValue = 0;
740 char *engineNames[] = {
741 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
744 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
745 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
750 InitEngine (ChessProgramState *cps, int n)
751 { // [HGM] all engine initialiation put in a function that does one engine
755 cps->which = engineNames[n];
756 cps->maybeThinking = FALSE;
760 cps->sendDrawOffers = 1;
762 cps->program = appData.chessProgram[n];
763 cps->host = appData.host[n];
764 cps->dir = appData.directory[n];
765 cps->initString = appData.engInitString[n];
766 cps->computerString = appData.computerString[n];
767 cps->useSigint = TRUE;
768 cps->useSigterm = TRUE;
769 cps->reuse = appData.reuse[n];
770 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
771 cps->useSetboard = FALSE;
773 cps->usePing = FALSE;
776 cps->usePlayother = FALSE;
777 cps->useColors = TRUE;
778 cps->useUsermove = FALSE;
779 cps->sendICS = FALSE;
780 cps->sendName = appData.icsActive;
781 cps->sdKludge = FALSE;
782 cps->stKludge = FALSE;
783 TidyProgramName(cps->program, cps->host, cps->tidy);
785 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
786 cps->analysisSupport = 2; /* detect */
787 cps->analyzing = FALSE;
788 cps->initDone = FALSE;
790 /* New features added by Tord: */
791 cps->useFEN960 = FALSE;
792 cps->useOOCastle = TRUE;
793 /* End of new features added by Tord. */
794 cps->fenOverride = appData.fenOverride[n];
796 /* [HGM] time odds: set factor for each machine */
797 cps->timeOdds = appData.timeOdds[n];
799 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
800 cps->accumulateTC = appData.accumulateTC[n];
801 cps->maxNrOfSessions = 1;
806 cps->supportsNPS = UNKNOWN;
807 cps->memSize = FALSE;
808 cps->maxCores = FALSE;
809 cps->egtFormats[0] = NULLCHAR;
812 cps->optionSettings = appData.engOptions[n];
814 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
815 cps->isUCI = appData.isUCI[n]; /* [AS] */
816 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
818 if (appData.protocolVersion[n] > PROTOVER
819 || appData.protocolVersion[n] < 1)
824 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
825 appData.protocolVersion[n]);
826 if( (len >= MSG_SIZ) && appData.debugMode )
827 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
829 DisplayFatalError(buf, 0, 2);
833 cps->protocolVersion = appData.protocolVersion[n];
836 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
837 ParseFeatures(appData.featureDefaults, cps);
840 ChessProgramState *savCps;
846 if(WaitForEngine(savCps, LoadEngine)) return;
847 CommonEngineInit(); // recalculate time odds
848 if(gameInfo.variant != StringToVariant(appData.variant)) {
849 // we changed variant when loading the engine; this forces us to reset
850 Reset(TRUE, savCps != &first);
851 EditGameEvent(); // for consistency with other path, as Reset changes mode
853 InitChessProgram(savCps, FALSE);
854 SendToProgram("force\n", savCps);
855 DisplayMessage("", "");
856 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
857 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
863 ReplaceEngine (ChessProgramState *cps, int n)
867 appData.noChessProgram = FALSE;
868 appData.clockMode = TRUE;
871 if(n) return; // only startup first engine immediately; second can wait
872 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
876 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
877 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
879 static char resetOptions[] =
880 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
881 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
882 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
883 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
886 FloatToFront(char **list, char *engineLine)
888 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
890 if(appData.recentEngines <= 0) return;
891 TidyProgramName(engineLine, "localhost", tidy+1);
892 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
893 strncpy(buf+1, *list, MSG_SIZ-50);
894 if(p = strstr(buf, tidy)) { // tidy name appears in list
895 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
896 while(*p++ = *++q); // squeeze out
898 strcat(tidy, buf+1); // put list behind tidy name
899 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
900 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
901 ASSIGN(*list, tidy+1);
904 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
907 Load (ChessProgramState *cps, int i)
909 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
910 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
911 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
912 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
913 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
914 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
915 appData.firstProtocolVersion = PROTOVER;
916 ParseArgsFromString(buf);
918 ReplaceEngine(cps, i);
919 FloatToFront(&appData.recentEngineList, engineLine);
923 while(q = strchr(p, SLASH)) p = q+1;
924 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
925 if(engineDir[0] != NULLCHAR) {
926 ASSIGN(appData.directory[i], engineDir); p = engineName;
927 } else if(p != engineName) { // derive directory from engine path, when not given
929 ASSIGN(appData.directory[i], engineName);
931 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
932 } else { ASSIGN(appData.directory[i], "."); }
934 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
935 snprintf(command, MSG_SIZ, "%s %s", p, params);
938 ASSIGN(appData.chessProgram[i], p);
939 appData.isUCI[i] = isUCI;
940 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
941 appData.hasOwnBookUCI[i] = hasBook;
942 if(!nickName[0]) useNick = FALSE;
943 if(useNick) ASSIGN(appData.pgnName[i], nickName);
947 q = firstChessProgramNames;
948 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
949 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
950 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
951 quote, p, quote, appData.directory[i],
952 useNick ? " -fn \"" : "",
953 useNick ? nickName : "",
955 v1 ? " -firstProtocolVersion 1" : "",
956 hasBook ? "" : " -fNoOwnBookUCI",
957 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
958 storeVariant ? " -variant " : "",
959 storeVariant ? VariantName(gameInfo.variant) : "");
960 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
961 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
962 if(insert != q) insert[-1] = NULLCHAR;
963 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
965 FloatToFront(&appData.recentEngineList, buf);
967 ReplaceEngine(cps, i);
973 int matched, min, sec;
975 * Parse timeControl resource
977 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
978 appData.movesPerSession)) {
980 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
981 DisplayFatalError(buf, 0, 2);
985 * Parse searchTime resource
987 if (*appData.searchTime != NULLCHAR) {
988 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
990 searchTime = min * 60;
991 } else if (matched == 2) {
992 searchTime = min * 60 + sec;
995 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
996 DisplayFatalError(buf, 0, 2);
1005 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1006 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1008 GetTimeMark(&programStartTime);
1009 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1010 appData.seedBase = random() + (random()<<15);
1011 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1013 ClearProgramStats();
1014 programStats.ok_to_send = 1;
1015 programStats.seen_stat = 0;
1018 * Initialize game list
1024 * Internet chess server status
1026 if (appData.icsActive) {
1027 appData.matchMode = FALSE;
1028 appData.matchGames = 0;
1030 appData.noChessProgram = !appData.zippyPlay;
1032 appData.zippyPlay = FALSE;
1033 appData.zippyTalk = FALSE;
1034 appData.noChessProgram = TRUE;
1036 if (*appData.icsHelper != NULLCHAR) {
1037 appData.useTelnet = TRUE;
1038 appData.telnetProgram = appData.icsHelper;
1041 appData.zippyTalk = appData.zippyPlay = FALSE;
1044 /* [AS] Initialize pv info list [HGM] and game state */
1048 for( i=0; i<=framePtr; i++ ) {
1049 pvInfoList[i].depth = -1;
1050 boards[i][EP_STATUS] = EP_NONE;
1051 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1057 /* [AS] Adjudication threshold */
1058 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1060 InitEngine(&first, 0);
1061 InitEngine(&second, 1);
1064 pairing.which = "pairing"; // pairing engine
1065 pairing.pr = NoProc;
1067 pairing.program = appData.pairingEngine;
1068 pairing.host = "localhost";
1071 if (appData.icsActive) {
1072 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1073 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1074 appData.clockMode = FALSE;
1075 first.sendTime = second.sendTime = 0;
1079 /* Override some settings from environment variables, for backward
1080 compatibility. Unfortunately it's not feasible to have the env
1081 vars just set defaults, at least in xboard. Ugh.
1083 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1088 if (!appData.icsActive) {
1092 /* Check for variants that are supported only in ICS mode,
1093 or not at all. Some that are accepted here nevertheless
1094 have bugs; see comments below.
1096 VariantClass variant = StringToVariant(appData.variant);
1098 case VariantBughouse: /* need four players and two boards */
1099 case VariantKriegspiel: /* need to hide pieces and move details */
1100 /* case VariantFischeRandom: (Fabien: moved below) */
1101 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1102 if( (len >= MSG_SIZ) && appData.debugMode )
1103 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1105 DisplayFatalError(buf, 0, 2);
1108 case VariantUnknown:
1109 case VariantLoadable:
1119 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1120 if( (len >= MSG_SIZ) && appData.debugMode )
1121 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1123 DisplayFatalError(buf, 0, 2);
1126 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1127 case VariantFairy: /* [HGM] TestLegality definitely off! */
1128 case VariantGothic: /* [HGM] should work */
1129 case VariantCapablanca: /* [HGM] should work */
1130 case VariantCourier: /* [HGM] initial forced moves not implemented */
1131 case VariantShogi: /* [HGM] could still mate with pawn drop */
1132 case VariantKnightmate: /* [HGM] should work */
1133 case VariantCylinder: /* [HGM] untested */
1134 case VariantFalcon: /* [HGM] untested */
1135 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1136 offboard interposition not understood */
1137 case VariantNormal: /* definitely works! */
1138 case VariantWildCastle: /* pieces not automatically shuffled */
1139 case VariantNoCastle: /* pieces not automatically shuffled */
1140 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1141 case VariantLosers: /* should work except for win condition,
1142 and doesn't know captures are mandatory */
1143 case VariantSuicide: /* should work except for win condition,
1144 and doesn't know captures are mandatory */
1145 case VariantGiveaway: /* should work except for win condition,
1146 and doesn't know captures are mandatory */
1147 case VariantTwoKings: /* should work */
1148 case VariantAtomic: /* should work except for win condition */
1149 case Variant3Check: /* should work except for win condition */
1150 case VariantShatranj: /* should work except for all win conditions */
1151 case VariantMakruk: /* should work except for draw countdown */
1152 case VariantBerolina: /* might work if TestLegality is off */
1153 case VariantCapaRandom: /* should work */
1154 case VariantJanus: /* should work */
1155 case VariantSuper: /* experimental */
1156 case VariantGreat: /* experimental, requires legality testing to be off */
1157 case VariantSChess: /* S-Chess, should work */
1158 case VariantGrand: /* should work */
1159 case VariantSpartan: /* should work */
1167 NextIntegerFromString (char ** str, long * value)
1172 while( *s == ' ' || *s == '\t' ) {
1178 if( *s >= '0' && *s <= '9' ) {
1179 while( *s >= '0' && *s <= '9' ) {
1180 *value = *value * 10 + (*s - '0');
1193 NextTimeControlFromString (char ** str, long * value)
1196 int result = NextIntegerFromString( str, &temp );
1199 *value = temp * 60; /* Minutes */
1200 if( **str == ':' ) {
1202 result = NextIntegerFromString( str, &temp );
1203 *value += temp; /* Seconds */
1211 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1212 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1213 int result = -1, type = 0; long temp, temp2;
1215 if(**str != ':') return -1; // old params remain in force!
1217 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1218 if( NextIntegerFromString( str, &temp ) ) return -1;
1219 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1222 /* time only: incremental or sudden-death time control */
1223 if(**str == '+') { /* increment follows; read it */
1225 if(**str == '!') type = *(*str)++; // Bronstein TC
1226 if(result = NextIntegerFromString( str, &temp2)) return -1;
1227 *inc = temp2 * 1000;
1228 if(**str == '.') { // read fraction of increment
1229 char *start = ++(*str);
1230 if(result = NextIntegerFromString( str, &temp2)) return -1;
1232 while(start++ < *str) temp2 /= 10;
1236 *moves = 0; *tc = temp * 1000; *incType = type;
1240 (*str)++; /* classical time control */
1241 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1253 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1254 { /* [HGM] get time to add from the multi-session time-control string */
1255 int incType, moves=1; /* kludge to force reading of first session */
1256 long time, increment;
1259 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1261 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1262 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1263 if(movenr == -1) return time; /* last move before new session */
1264 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1265 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1266 if(!moves) return increment; /* current session is incremental */
1267 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1268 } while(movenr >= -1); /* try again for next session */
1270 return 0; // no new time quota on this move
1274 ParseTimeControl (char *tc, float ti, int mps)
1278 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1281 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1282 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1283 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1287 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1292 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1294 snprintf(buf, MSG_SIZ, ":%s", mytc);
1296 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1298 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1303 /* Parse second time control */
1306 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1314 timeControl_2 = tc2 * 1000;
1324 timeControl = tc1 * 1000;
1327 timeIncrement = ti * 1000; /* convert to ms */
1328 movesPerSession = 0;
1331 movesPerSession = mps;
1339 if (appData.debugMode) {
1340 fprintf(debugFP, "%s\n", programVersion);
1342 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1344 set_cont_sequence(appData.wrapContSeq);
1345 if (appData.matchGames > 0) {
1346 appData.matchMode = TRUE;
1347 } else if (appData.matchMode) {
1348 appData.matchGames = 1;
1350 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1351 appData.matchGames = appData.sameColorGames;
1352 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1353 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1354 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1357 if (appData.noChessProgram || first.protocolVersion == 1) {
1360 /* kludge: allow timeout for initial "feature" commands */
1362 DisplayMessage("", _("Starting chess program"));
1363 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1368 CalculateIndex (int index, int gameNr)
1369 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1371 if(index > 0) return index; // fixed nmber
1372 if(index == 0) return 1;
1373 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1374 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1379 LoadGameOrPosition (int gameNr)
1380 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1381 if (*appData.loadGameFile != NULLCHAR) {
1382 if (!LoadGameFromFile(appData.loadGameFile,
1383 CalculateIndex(appData.loadGameIndex, gameNr),
1384 appData.loadGameFile, FALSE)) {
1385 DisplayFatalError(_("Bad game file"), 0, 1);
1388 } else if (*appData.loadPositionFile != NULLCHAR) {
1389 if (!LoadPositionFromFile(appData.loadPositionFile,
1390 CalculateIndex(appData.loadPositionIndex, gameNr),
1391 appData.loadPositionFile)) {
1392 DisplayFatalError(_("Bad position file"), 0, 1);
1400 ReserveGame (int gameNr, char resChar)
1402 FILE *tf = fopen(appData.tourneyFile, "r+");
1403 char *p, *q, c, buf[MSG_SIZ];
1404 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1405 safeStrCpy(buf, lastMsg, MSG_SIZ);
1406 DisplayMessage(_("Pick new game"), "");
1407 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1408 ParseArgsFromFile(tf);
1409 p = q = appData.results;
1410 if(appData.debugMode) {
1411 char *r = appData.participants;
1412 fprintf(debugFP, "results = '%s'\n", p);
1413 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1414 fprintf(debugFP, "\n");
1416 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1418 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1419 safeStrCpy(q, p, strlen(p) + 2);
1420 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1421 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1422 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1423 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1426 fseek(tf, -(strlen(p)+4), SEEK_END);
1428 if(c != '"') // depending on DOS or Unix line endings we can be one off
1429 fseek(tf, -(strlen(p)+2), SEEK_END);
1430 else fseek(tf, -(strlen(p)+3), SEEK_END);
1431 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1432 DisplayMessage(buf, "");
1433 free(p); appData.results = q;
1434 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1435 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1436 int round = appData.defaultMatchGames * appData.tourneyType;
1437 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1438 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1439 UnloadEngine(&first); // next game belongs to other pairing;
1440 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1442 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1446 MatchEvent (int mode)
1447 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1449 if(matchMode) { // already in match mode: switch it off
1451 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1454 // if(gameMode != BeginningOfGame) {
1455 // DisplayError(_("You can only start a match from the initial position."), 0);
1459 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1460 /* Set up machine vs. machine match */
1462 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1463 if(appData.tourneyFile[0]) {
1465 if(nextGame > appData.matchGames) {
1467 if(strchr(appData.results, '*') == NULL) {
1469 appData.tourneyCycles++;
1470 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1472 NextTourneyGame(-1, &dummy);
1474 if(nextGame <= appData.matchGames) {
1475 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1477 ScheduleDelayedEvent(NextMatchGame, 10000);
1482 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1483 DisplayError(buf, 0);
1484 appData.tourneyFile[0] = 0;
1488 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1489 DisplayFatalError(_("Can't have a match with no chess programs"),
1494 matchGame = roundNr = 1;
1495 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1499 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1502 InitBackEnd3 P((void))
1504 GameMode initialMode;
1508 InitChessProgram(&first, startedFromSetupPosition);
1510 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1511 free(programVersion);
1512 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1513 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1514 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1517 if (appData.icsActive) {
1519 /* [DM] Make a console window if needed [HGM] merged ifs */
1525 if (*appData.icsCommPort != NULLCHAR)
1526 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1527 appData.icsCommPort);
1529 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1530 appData.icsHost, appData.icsPort);
1532 if( (len >= MSG_SIZ) && appData.debugMode )
1533 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1535 DisplayFatalError(buf, err, 1);
1540 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1542 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1543 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1544 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1545 } else if (appData.noChessProgram) {
1551 if (*appData.cmailGameName != NULLCHAR) {
1553 OpenLoopback(&cmailPR);
1555 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1559 DisplayMessage("", "");
1560 if (StrCaseCmp(appData.initialMode, "") == 0) {
1561 initialMode = BeginningOfGame;
1562 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1563 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1564 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1565 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1568 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1569 initialMode = TwoMachinesPlay;
1570 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1571 initialMode = AnalyzeFile;
1572 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1573 initialMode = AnalyzeMode;
1574 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1575 initialMode = MachinePlaysWhite;
1576 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1577 initialMode = MachinePlaysBlack;
1578 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1579 initialMode = EditGame;
1580 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1581 initialMode = EditPosition;
1582 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1583 initialMode = Training;
1585 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1586 if( (len >= MSG_SIZ) && appData.debugMode )
1587 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1589 DisplayFatalError(buf, 0, 2);
1593 if (appData.matchMode) {
1594 if(appData.tourneyFile[0]) { // start tourney from command line
1596 if(f = fopen(appData.tourneyFile, "r")) {
1597 ParseArgsFromFile(f); // make sure tourney parmeters re known
1599 appData.clockMode = TRUE;
1601 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1604 } else if (*appData.cmailGameName != NULLCHAR) {
1605 /* Set up cmail mode */
1606 ReloadCmailMsgEvent(TRUE);
1608 /* Set up other modes */
1609 if (initialMode == AnalyzeFile) {
1610 if (*appData.loadGameFile == NULLCHAR) {
1611 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1615 if (*appData.loadGameFile != NULLCHAR) {
1616 (void) LoadGameFromFile(appData.loadGameFile,
1617 appData.loadGameIndex,
1618 appData.loadGameFile, TRUE);
1619 } else if (*appData.loadPositionFile != NULLCHAR) {
1620 (void) LoadPositionFromFile(appData.loadPositionFile,
1621 appData.loadPositionIndex,
1622 appData.loadPositionFile);
1623 /* [HGM] try to make self-starting even after FEN load */
1624 /* to allow automatic setup of fairy variants with wtm */
1625 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1626 gameMode = BeginningOfGame;
1627 setboardSpoiledMachineBlack = 1;
1629 /* [HGM] loadPos: make that every new game uses the setup */
1630 /* from file as long as we do not switch variant */
1631 if(!blackPlaysFirst) {
1632 startedFromPositionFile = TRUE;
1633 CopyBoard(filePosition, boards[0]);
1636 if (initialMode == AnalyzeMode) {
1637 if (appData.noChessProgram) {
1638 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1641 if (appData.icsActive) {
1642 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1646 } else if (initialMode == AnalyzeFile) {
1647 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1648 ShowThinkingEvent();
1650 AnalysisPeriodicEvent(1);
1651 } else if (initialMode == MachinePlaysWhite) {
1652 if (appData.noChessProgram) {
1653 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1657 if (appData.icsActive) {
1658 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1662 MachineWhiteEvent();
1663 } else if (initialMode == MachinePlaysBlack) {
1664 if (appData.noChessProgram) {
1665 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1669 if (appData.icsActive) {
1670 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1674 MachineBlackEvent();
1675 } else if (initialMode == TwoMachinesPlay) {
1676 if (appData.noChessProgram) {
1677 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1681 if (appData.icsActive) {
1682 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1687 } else if (initialMode == EditGame) {
1689 } else if (initialMode == EditPosition) {
1690 EditPositionEvent();
1691 } else if (initialMode == Training) {
1692 if (*appData.loadGameFile == NULLCHAR) {
1693 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1702 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1704 DisplayBook(current+1);
1706 MoveHistorySet( movelist, first, last, current, pvInfoList );
1708 EvalGraphSet( first, last, current, pvInfoList );
1710 MakeEngineOutputTitle();
1714 * Establish will establish a contact to a remote host.port.
1715 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1716 * used to talk to the host.
1717 * Returns 0 if okay, error code if not.
1724 if (*appData.icsCommPort != NULLCHAR) {
1725 /* Talk to the host through a serial comm port */
1726 return OpenCommPort(appData.icsCommPort, &icsPR);
1728 } else if (*appData.gateway != NULLCHAR) {
1729 if (*appData.remoteShell == NULLCHAR) {
1730 /* Use the rcmd protocol to run telnet program on a gateway host */
1731 snprintf(buf, sizeof(buf), "%s %s %s",
1732 appData.telnetProgram, appData.icsHost, appData.icsPort);
1733 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1736 /* Use the rsh program to run telnet program on a gateway host */
1737 if (*appData.remoteUser == NULLCHAR) {
1738 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1739 appData.gateway, appData.telnetProgram,
1740 appData.icsHost, appData.icsPort);
1742 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1743 appData.remoteShell, appData.gateway,
1744 appData.remoteUser, appData.telnetProgram,
1745 appData.icsHost, appData.icsPort);
1747 return StartChildProcess(buf, "", &icsPR);
1750 } else if (appData.useTelnet) {
1751 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1754 /* TCP socket interface differs somewhat between
1755 Unix and NT; handle details in the front end.
1757 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1762 EscapeExpand (char *p, char *q)
1763 { // [HGM] initstring: routine to shape up string arguments
1764 while(*p++ = *q++) if(p[-1] == '\\')
1766 case 'n': p[-1] = '\n'; break;
1767 case 'r': p[-1] = '\r'; break;
1768 case 't': p[-1] = '\t'; break;
1769 case '\\': p[-1] = '\\'; break;
1770 case 0: *p = 0; return;
1771 default: p[-1] = q[-1]; break;
1776 show_bytes (FILE *fp, char *buf, int count)
1779 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1780 fprintf(fp, "\\%03o", *buf & 0xff);
1789 /* Returns an errno value */
1791 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1793 char buf[8192], *p, *q, *buflim;
1794 int left, newcount, outcount;
1796 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1797 *appData.gateway != NULLCHAR) {
1798 if (appData.debugMode) {
1799 fprintf(debugFP, ">ICS: ");
1800 show_bytes(debugFP, message, count);
1801 fprintf(debugFP, "\n");
1803 return OutputToProcess(pr, message, count, outError);
1806 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1813 if (appData.debugMode) {
1814 fprintf(debugFP, ">ICS: ");
1815 show_bytes(debugFP, buf, newcount);
1816 fprintf(debugFP, "\n");
1818 outcount = OutputToProcess(pr, buf, newcount, outError);
1819 if (outcount < newcount) return -1; /* to be sure */
1826 } else if (((unsigned char) *p) == TN_IAC) {
1827 *q++ = (char) TN_IAC;
1834 if (appData.debugMode) {
1835 fprintf(debugFP, ">ICS: ");
1836 show_bytes(debugFP, buf, newcount);
1837 fprintf(debugFP, "\n");
1839 outcount = OutputToProcess(pr, buf, newcount, outError);
1840 if (outcount < newcount) return -1; /* to be sure */
1845 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1847 int outError, outCount;
1848 static int gotEof = 0;
1851 /* Pass data read from player on to ICS */
1854 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1855 if (outCount < count) {
1856 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1858 if(have_sent_ICS_logon == 2) {
1859 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1860 fprintf(ini, "%s", message);
1861 have_sent_ICS_logon = 3;
1863 have_sent_ICS_logon = 1;
1864 } else if(have_sent_ICS_logon == 3) {
1865 fprintf(ini, "%s", message);
1867 have_sent_ICS_logon = 1;
1869 } else if (count < 0) {
1870 RemoveInputSource(isr);
1871 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1872 } else if (gotEof++ > 0) {
1873 RemoveInputSource(isr);
1874 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1880 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1881 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1882 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1883 SendToICS("date\n");
1884 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1887 /* added routine for printf style output to ics */
1889 ics_printf (char *format, ...)
1891 char buffer[MSG_SIZ];
1894 va_start(args, format);
1895 vsnprintf(buffer, sizeof(buffer), format, args);
1896 buffer[sizeof(buffer)-1] = '\0';
1904 int count, outCount, outError;
1906 if (icsPR == NoProc) return;
1909 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1910 if (outCount < count) {
1911 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1915 /* This is used for sending logon scripts to the ICS. Sending
1916 without a delay causes problems when using timestamp on ICC
1917 (at least on my machine). */
1919 SendToICSDelayed (char *s, long msdelay)
1921 int count, outCount, outError;
1923 if (icsPR == NoProc) return;
1926 if (appData.debugMode) {
1927 fprintf(debugFP, ">ICS: ");
1928 show_bytes(debugFP, s, count);
1929 fprintf(debugFP, "\n");
1931 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1933 if (outCount < count) {
1934 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1939 /* Remove all highlighting escape sequences in s
1940 Also deletes any suffix starting with '('
1943 StripHighlightAndTitle (char *s)
1945 static char retbuf[MSG_SIZ];
1948 while (*s != NULLCHAR) {
1949 while (*s == '\033') {
1950 while (*s != NULLCHAR && !isalpha(*s)) s++;
1951 if (*s != NULLCHAR) s++;
1953 while (*s != NULLCHAR && *s != '\033') {
1954 if (*s == '(' || *s == '[') {
1965 /* Remove all highlighting escape sequences in s */
1967 StripHighlight (char *s)
1969 static char retbuf[MSG_SIZ];
1972 while (*s != NULLCHAR) {
1973 while (*s == '\033') {
1974 while (*s != NULLCHAR && !isalpha(*s)) s++;
1975 if (*s != NULLCHAR) s++;
1977 while (*s != NULLCHAR && *s != '\033') {
1985 char *variantNames[] = VARIANT_NAMES;
1987 VariantName (VariantClass v)
1989 return variantNames[v];
1993 /* Identify a variant from the strings the chess servers use or the
1994 PGN Variant tag names we use. */
1996 StringToVariant (char *e)
2000 VariantClass v = VariantNormal;
2001 int i, found = FALSE;
2007 /* [HGM] skip over optional board-size prefixes */
2008 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2009 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2010 while( *e++ != '_');
2013 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2017 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2018 if (StrCaseStr(e, variantNames[i])) {
2019 v = (VariantClass) i;
2026 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2027 || StrCaseStr(e, "wild/fr")
2028 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2029 v = VariantFischeRandom;
2030 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2031 (i = 1, p = StrCaseStr(e, "w"))) {
2033 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2040 case 0: /* FICS only, actually */
2042 /* Castling legal even if K starts on d-file */
2043 v = VariantWildCastle;
2048 /* Castling illegal even if K & R happen to start in
2049 normal positions. */
2050 v = VariantNoCastle;
2063 /* Castling legal iff K & R start in normal positions */
2069 /* Special wilds for position setup; unclear what to do here */
2070 v = VariantLoadable;
2073 /* Bizarre ICC game */
2074 v = VariantTwoKings;
2077 v = VariantKriegspiel;
2083 v = VariantFischeRandom;
2086 v = VariantCrazyhouse;
2089 v = VariantBughouse;
2095 /* Not quite the same as FICS suicide! */
2096 v = VariantGiveaway;
2102 v = VariantShatranj;
2105 /* Temporary names for future ICC types. The name *will* change in
2106 the next xboard/WinBoard release after ICC defines it. */
2144 v = VariantCapablanca;
2147 v = VariantKnightmate;
2153 v = VariantCylinder;
2159 v = VariantCapaRandom;
2162 v = VariantBerolina;
2174 /* Found "wild" or "w" in the string but no number;
2175 must assume it's normal chess. */
2179 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2180 if( (len >= MSG_SIZ) && appData.debugMode )
2181 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2183 DisplayError(buf, 0);
2189 if (appData.debugMode) {
2190 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2191 e, wnum, VariantName(v));
2196 static int leftover_start = 0, leftover_len = 0;
2197 char star_match[STAR_MATCH_N][MSG_SIZ];
2199 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2200 advance *index beyond it, and set leftover_start to the new value of
2201 *index; else return FALSE. If pattern contains the character '*', it
2202 matches any sequence of characters not containing '\r', '\n', or the
2203 character following the '*' (if any), and the matched sequence(s) are
2204 copied into star_match.
2207 looking_at ( char *buf, int *index, char *pattern)
2209 char *bufp = &buf[*index], *patternp = pattern;
2211 char *matchp = star_match[0];
2214 if (*patternp == NULLCHAR) {
2215 *index = leftover_start = bufp - buf;
2219 if (*bufp == NULLCHAR) return FALSE;
2220 if (*patternp == '*') {
2221 if (*bufp == *(patternp + 1)) {
2223 matchp = star_match[++star_count];
2227 } else if (*bufp == '\n' || *bufp == '\r') {
2229 if (*patternp == NULLCHAR)
2234 *matchp++ = *bufp++;
2238 if (*patternp != *bufp) return FALSE;
2245 SendToPlayer (char *data, int length)
2247 int error, outCount;
2248 outCount = OutputToProcess(NoProc, data, length, &error);
2249 if (outCount < length) {
2250 DisplayFatalError(_("Error writing to display"), error, 1);
2255 PackHolding (char packed[], char *holding)
2265 switch (runlength) {
2276 sprintf(q, "%d", runlength);
2288 /* Telnet protocol requests from the front end */
2290 TelnetRequest (unsigned char ddww, unsigned char option)
2292 unsigned char msg[3];
2293 int outCount, outError;
2295 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2297 if (appData.debugMode) {
2298 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2314 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2323 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2326 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2331 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2333 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2340 if (!appData.icsActive) return;
2341 TelnetRequest(TN_DO, TN_ECHO);
2347 if (!appData.icsActive) return;
2348 TelnetRequest(TN_DONT, TN_ECHO);
2352 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2354 /* put the holdings sent to us by the server on the board holdings area */
2355 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2359 if(gameInfo.holdingsWidth < 2) return;
2360 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2361 return; // prevent overwriting by pre-board holdings
2363 if( (int)lowestPiece >= BlackPawn ) {
2366 holdingsStartRow = BOARD_HEIGHT-1;
2369 holdingsColumn = BOARD_WIDTH-1;
2370 countsColumn = BOARD_WIDTH-2;
2371 holdingsStartRow = 0;
2375 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2376 board[i][holdingsColumn] = EmptySquare;
2377 board[i][countsColumn] = (ChessSquare) 0;
2379 while( (p=*holdings++) != NULLCHAR ) {
2380 piece = CharToPiece( ToUpper(p) );
2381 if(piece == EmptySquare) continue;
2382 /*j = (int) piece - (int) WhitePawn;*/
2383 j = PieceToNumber(piece);
2384 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2385 if(j < 0) continue; /* should not happen */
2386 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2387 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2388 board[holdingsStartRow+j*direction][countsColumn]++;
2394 VariantSwitch (Board board, VariantClass newVariant)
2396 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2397 static Board oldBoard;
2399 startedFromPositionFile = FALSE;
2400 if(gameInfo.variant == newVariant) return;
2402 /* [HGM] This routine is called each time an assignment is made to
2403 * gameInfo.variant during a game, to make sure the board sizes
2404 * are set to match the new variant. If that means adding or deleting
2405 * holdings, we shift the playing board accordingly
2406 * This kludge is needed because in ICS observe mode, we get boards
2407 * of an ongoing game without knowing the variant, and learn about the
2408 * latter only later. This can be because of the move list we requested,
2409 * in which case the game history is refilled from the beginning anyway,
2410 * but also when receiving holdings of a crazyhouse game. In the latter
2411 * case we want to add those holdings to the already received position.
2415 if (appData.debugMode) {
2416 fprintf(debugFP, "Switch board from %s to %s\n",
2417 VariantName(gameInfo.variant), VariantName(newVariant));
2418 setbuf(debugFP, NULL);
2420 shuffleOpenings = 0; /* [HGM] shuffle */
2421 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2425 newWidth = 9; newHeight = 9;
2426 gameInfo.holdingsSize = 7;
2427 case VariantBughouse:
2428 case VariantCrazyhouse:
2429 newHoldingsWidth = 2; break;
2433 newHoldingsWidth = 2;
2434 gameInfo.holdingsSize = 8;
2437 case VariantCapablanca:
2438 case VariantCapaRandom:
2441 newHoldingsWidth = gameInfo.holdingsSize = 0;
2444 if(newWidth != gameInfo.boardWidth ||
2445 newHeight != gameInfo.boardHeight ||
2446 newHoldingsWidth != gameInfo.holdingsWidth ) {
2448 /* shift position to new playing area, if needed */
2449 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2450 for(i=0; i<BOARD_HEIGHT; i++)
2451 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2452 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2454 for(i=0; i<newHeight; i++) {
2455 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2456 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2458 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2459 for(i=0; i<BOARD_HEIGHT; i++)
2460 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2461 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2464 board[HOLDINGS_SET] = 0;
2465 gameInfo.boardWidth = newWidth;
2466 gameInfo.boardHeight = newHeight;
2467 gameInfo.holdingsWidth = newHoldingsWidth;
2468 gameInfo.variant = newVariant;
2469 InitDrawingSizes(-2, 0);
2470 } else gameInfo.variant = newVariant;
2471 CopyBoard(oldBoard, board); // remember correctly formatted board
2472 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2473 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2476 static int loggedOn = FALSE;
2478 /*-- Game start info cache: --*/
2480 char gs_kind[MSG_SIZ];
2481 static char player1Name[128] = "";
2482 static char player2Name[128] = "";
2483 static char cont_seq[] = "\n\\ ";
2484 static int player1Rating = -1;
2485 static int player2Rating = -1;
2486 /*----------------------------*/
2488 ColorClass curColor = ColorNormal;
2489 int suppressKibitz = 0;
2492 Boolean soughtPending = FALSE;
2493 Boolean seekGraphUp;
2494 #define MAX_SEEK_ADS 200
2496 char *seekAdList[MAX_SEEK_ADS];
2497 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2498 float tcList[MAX_SEEK_ADS];
2499 char colorList[MAX_SEEK_ADS];
2500 int nrOfSeekAds = 0;
2501 int minRating = 1010, maxRating = 2800;
2502 int hMargin = 10, vMargin = 20, h, w;
2503 extern int squareSize, lineGap;
2508 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2509 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2510 if(r < minRating+100 && r >=0 ) r = minRating+100;
2511 if(r > maxRating) r = maxRating;
2512 if(tc < 1.f) tc = 1.f;
2513 if(tc > 95.f) tc = 95.f;
2514 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2515 y = ((double)r - minRating)/(maxRating - minRating)
2516 * (h-vMargin-squareSize/8-1) + vMargin;
2517 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2518 if(strstr(seekAdList[i], " u ")) color = 1;
2519 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2520 !strstr(seekAdList[i], "bullet") &&
2521 !strstr(seekAdList[i], "blitz") &&
2522 !strstr(seekAdList[i], "standard") ) color = 2;
2523 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2524 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2528 PlotSingleSeekAd (int i)
2534 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2536 char buf[MSG_SIZ], *ext = "";
2537 VariantClass v = StringToVariant(type);
2538 if(strstr(type, "wild")) {
2539 ext = type + 4; // append wild number
2540 if(v == VariantFischeRandom) type = "chess960"; else
2541 if(v == VariantLoadable) type = "setup"; else
2542 type = VariantName(v);
2544 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2545 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2546 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2547 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2548 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2549 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2550 seekNrList[nrOfSeekAds] = nr;
2551 zList[nrOfSeekAds] = 0;
2552 seekAdList[nrOfSeekAds++] = StrSave(buf);
2553 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2558 EraseSeekDot (int i)
2560 int x = xList[i], y = yList[i], d=squareSize/4, k;
2561 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2562 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2563 // now replot every dot that overlapped
2564 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2565 int xx = xList[k], yy = yList[k];
2566 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2567 DrawSeekDot(xx, yy, colorList[k]);
2572 RemoveSeekAd (int nr)
2575 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2577 if(seekAdList[i]) free(seekAdList[i]);
2578 seekAdList[i] = seekAdList[--nrOfSeekAds];
2579 seekNrList[i] = seekNrList[nrOfSeekAds];
2580 ratingList[i] = ratingList[nrOfSeekAds];
2581 colorList[i] = colorList[nrOfSeekAds];
2582 tcList[i] = tcList[nrOfSeekAds];
2583 xList[i] = xList[nrOfSeekAds];
2584 yList[i] = yList[nrOfSeekAds];
2585 zList[i] = zList[nrOfSeekAds];
2586 seekAdList[nrOfSeekAds] = NULL;
2592 MatchSoughtLine (char *line)
2594 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2595 int nr, base, inc, u=0; char dummy;
2597 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2598 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2600 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2601 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2602 // match: compact and save the line
2603 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2613 if(!seekGraphUp) return FALSE;
2614 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2615 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2617 DrawSeekBackground(0, 0, w, h);
2618 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2619 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2620 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2621 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2623 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2626 snprintf(buf, MSG_SIZ, "%d", i);
2627 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2630 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2631 for(i=1; i<100; i+=(i<10?1:5)) {
2632 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2633 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2634 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2636 snprintf(buf, MSG_SIZ, "%d", i);
2637 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2640 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2645 SeekGraphClick (ClickType click, int x, int y, int moving)
2647 static int lastDown = 0, displayed = 0, lastSecond;
2648 if(y < 0) return FALSE;
2649 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2650 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2651 if(!seekGraphUp) return FALSE;
2652 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2653 DrawPosition(TRUE, NULL);
2656 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2657 if(click == Release || moving) return FALSE;
2659 soughtPending = TRUE;
2660 SendToICS(ics_prefix);
2661 SendToICS("sought\n"); // should this be "sought all"?
2662 } else { // issue challenge based on clicked ad
2663 int dist = 10000; int i, closest = 0, second = 0;
2664 for(i=0; i<nrOfSeekAds; i++) {
2665 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2666 if(d < dist) { dist = d; closest = i; }
2667 second += (d - zList[i] < 120); // count in-range ads
2668 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2672 second = (second > 1);
2673 if(displayed != closest || second != lastSecond) {
2674 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2675 lastSecond = second; displayed = closest;
2677 if(click == Press) {
2678 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2681 } // on press 'hit', only show info
2682 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2683 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2684 SendToICS(ics_prefix);
2686 return TRUE; // let incoming board of started game pop down the graph
2687 } else if(click == Release) { // release 'miss' is ignored
2688 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2689 if(moving == 2) { // right up-click
2690 nrOfSeekAds = 0; // refresh graph
2691 soughtPending = TRUE;
2692 SendToICS(ics_prefix);
2693 SendToICS("sought\n"); // should this be "sought all"?
2696 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2697 // press miss or release hit 'pop down' seek graph
2698 seekGraphUp = FALSE;
2699 DrawPosition(TRUE, NULL);
2705 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2707 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2708 #define STARTED_NONE 0
2709 #define STARTED_MOVES 1
2710 #define STARTED_BOARD 2
2711 #define STARTED_OBSERVE 3
2712 #define STARTED_HOLDINGS 4
2713 #define STARTED_CHATTER 5
2714 #define STARTED_COMMENT 6
2715 #define STARTED_MOVES_NOHIDE 7
2717 static int started = STARTED_NONE;
2718 static char parse[20000];
2719 static int parse_pos = 0;
2720 static char buf[BUF_SIZE + 1];
2721 static int firstTime = TRUE, intfSet = FALSE;
2722 static ColorClass prevColor = ColorNormal;
2723 static int savingComment = FALSE;
2724 static int cmatch = 0; // continuation sequence match
2731 int backup; /* [DM] For zippy color lines */
2733 char talker[MSG_SIZ]; // [HGM] chat
2736 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2738 if (appData.debugMode) {
2740 fprintf(debugFP, "<ICS: ");
2741 show_bytes(debugFP, data, count);
2742 fprintf(debugFP, "\n");
2746 if (appData.debugMode) { int f = forwardMostMove;
2747 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2748 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2749 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2752 /* If last read ended with a partial line that we couldn't parse,
2753 prepend it to the new read and try again. */
2754 if (leftover_len > 0) {
2755 for (i=0; i<leftover_len; i++)
2756 buf[i] = buf[leftover_start + i];
2759 /* copy new characters into the buffer */
2760 bp = buf + leftover_len;
2761 buf_len=leftover_len;
2762 for (i=0; i<count; i++)
2765 if (data[i] == '\r')
2768 // join lines split by ICS?
2769 if (!appData.noJoin)
2772 Joining just consists of finding matches against the
2773 continuation sequence, and discarding that sequence
2774 if found instead of copying it. So, until a match
2775 fails, there's nothing to do since it might be the
2776 complete sequence, and thus, something we don't want
2779 if (data[i] == cont_seq[cmatch])
2782 if (cmatch == strlen(cont_seq))
2784 cmatch = 0; // complete match. just reset the counter
2787 it's possible for the ICS to not include the space
2788 at the end of the last word, making our [correct]
2789 join operation fuse two separate words. the server
2790 does this when the space occurs at the width setting.
2792 if (!buf_len || buf[buf_len-1] != ' ')
2803 match failed, so we have to copy what matched before
2804 falling through and copying this character. In reality,
2805 this will only ever be just the newline character, but
2806 it doesn't hurt to be precise.
2808 strncpy(bp, cont_seq, cmatch);
2820 buf[buf_len] = NULLCHAR;
2821 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2826 while (i < buf_len) {
2827 /* Deal with part of the TELNET option negotiation
2828 protocol. We refuse to do anything beyond the
2829 defaults, except that we allow the WILL ECHO option,
2830 which ICS uses to turn off password echoing when we are
2831 directly connected to it. We reject this option
2832 if localLineEditing mode is on (always on in xboard)
2833 and we are talking to port 23, which might be a real
2834 telnet server that will try to keep WILL ECHO on permanently.
2836 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2837 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2838 unsigned char option;
2840 switch ((unsigned char) buf[++i]) {
2842 if (appData.debugMode)
2843 fprintf(debugFP, "\n<WILL ");
2844 switch (option = (unsigned char) buf[++i]) {
2846 if (appData.debugMode)
2847 fprintf(debugFP, "ECHO ");
2848 /* Reply only if this is a change, according
2849 to the protocol rules. */
2850 if (remoteEchoOption) break;
2851 if (appData.localLineEditing &&
2852 atoi(appData.icsPort) == TN_PORT) {
2853 TelnetRequest(TN_DONT, TN_ECHO);
2856 TelnetRequest(TN_DO, TN_ECHO);
2857 remoteEchoOption = TRUE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", option);
2863 /* Whatever this is, we don't want it. */
2864 TelnetRequest(TN_DONT, option);
2869 if (appData.debugMode)
2870 fprintf(debugFP, "\n<WONT ");
2871 switch (option = (unsigned char) buf[++i]) {
2873 if (appData.debugMode)
2874 fprintf(debugFP, "ECHO ");
2875 /* Reply only if this is a change, according
2876 to the protocol rules. */
2877 if (!remoteEchoOption) break;
2879 TelnetRequest(TN_DONT, TN_ECHO);
2880 remoteEchoOption = FALSE;
2883 if (appData.debugMode)
2884 fprintf(debugFP, "%d ", (unsigned char) option);
2885 /* Whatever this is, it must already be turned
2886 off, because we never agree to turn on
2887 anything non-default, so according to the
2888 protocol rules, we don't reply. */
2893 if (appData.debugMode)
2894 fprintf(debugFP, "\n<DO ");
2895 switch (option = (unsigned char) buf[++i]) {
2897 /* Whatever this is, we refuse to do it. */
2898 if (appData.debugMode)
2899 fprintf(debugFP, "%d ", option);
2900 TelnetRequest(TN_WONT, option);
2905 if (appData.debugMode)
2906 fprintf(debugFP, "\n<DONT ");
2907 switch (option = (unsigned char) buf[++i]) {
2909 if (appData.debugMode)
2910 fprintf(debugFP, "%d ", option);
2911 /* Whatever this is, we are already not doing
2912 it, because we never agree to do anything
2913 non-default, so according to the protocol
2914 rules, we don't reply. */
2919 if (appData.debugMode)
2920 fprintf(debugFP, "\n<IAC ");
2921 /* Doubled IAC; pass it through */
2925 if (appData.debugMode)
2926 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2927 /* Drop all other telnet commands on the floor */
2930 if (oldi > next_out)
2931 SendToPlayer(&buf[next_out], oldi - next_out);
2937 /* OK, this at least will *usually* work */
2938 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2942 if (loggedOn && !intfSet) {
2943 if (ics_type == ICS_ICC) {
2944 snprintf(str, MSG_SIZ,
2945 "/set-quietly interface %s\n/set-quietly style 12\n",
2947 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2948 strcat(str, "/set-2 51 1\n/set seek 1\n");
2949 } else if (ics_type == ICS_CHESSNET) {
2950 snprintf(str, MSG_SIZ, "/style 12\n");
2952 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2953 strcat(str, programVersion);
2954 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2955 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2956 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2958 strcat(str, "$iset nohighlight 1\n");
2960 strcat(str, "$iset lock 1\n$style 12\n");
2963 NotifyFrontendLogin();
2967 if (started == STARTED_COMMENT) {
2968 /* Accumulate characters in comment */
2969 parse[parse_pos++] = buf[i];
2970 if (buf[i] == '\n') {
2971 parse[parse_pos] = NULLCHAR;
2972 if(chattingPartner>=0) {
2974 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2975 OutputChatMessage(chattingPartner, mess);
2976 chattingPartner = -1;
2977 next_out = i+1; // [HGM] suppress printing in ICS window
2979 if(!suppressKibitz) // [HGM] kibitz
2980 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2981 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2982 int nrDigit = 0, nrAlph = 0, j;
2983 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2984 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2985 parse[parse_pos] = NULLCHAR;
2986 // try to be smart: if it does not look like search info, it should go to
2987 // ICS interaction window after all, not to engine-output window.
2988 for(j=0; j<parse_pos; j++) { // count letters and digits
2989 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2990 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2991 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2993 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2994 int depth=0; float score;
2995 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2996 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2997 pvInfoList[forwardMostMove-1].depth = depth;
2998 pvInfoList[forwardMostMove-1].score = 100*score;
3000 OutputKibitz(suppressKibitz, parse);
3003 if(gameMode == IcsObserving) // restore original ICS messages
3004 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3006 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3007 SendToPlayer(tmp, strlen(tmp));
3009 next_out = i+1; // [HGM] suppress printing in ICS window
3011 started = STARTED_NONE;
3013 /* Don't match patterns against characters in comment */
3018 if (started == STARTED_CHATTER) {
3019 if (buf[i] != '\n') {
3020 /* Don't match patterns against characters in chatter */
3024 started = STARTED_NONE;
3025 if(suppressKibitz) next_out = i+1;
3028 /* Kludge to deal with rcmd protocol */
3029 if (firstTime && looking_at(buf, &i, "\001*")) {
3030 DisplayFatalError(&buf[1], 0, 1);
3036 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3039 if (appData.debugMode)
3040 fprintf(debugFP, "ics_type %d\n", ics_type);
3043 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3044 ics_type = ICS_FICS;
3046 if (appData.debugMode)
3047 fprintf(debugFP, "ics_type %d\n", ics_type);
3050 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3051 ics_type = ICS_CHESSNET;
3053 if (appData.debugMode)
3054 fprintf(debugFP, "ics_type %d\n", ics_type);
3059 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3060 looking_at(buf, &i, "Logging you in as \"*\"") ||
3061 looking_at(buf, &i, "will be \"*\""))) {
3062 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3066 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3068 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3069 DisplayIcsInteractionTitle(buf);
3070 have_set_title = TRUE;
3073 /* skip finger notes */
3074 if (started == STARTED_NONE &&
3075 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3076 (buf[i] == '1' && buf[i+1] == '0')) &&
3077 buf[i+2] == ':' && buf[i+3] == ' ') {
3078 started = STARTED_CHATTER;
3084 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3085 if(appData.seekGraph) {
3086 if(soughtPending && MatchSoughtLine(buf+i)) {
3087 i = strstr(buf+i, "rated") - buf;
3088 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3089 next_out = leftover_start = i;
3090 started = STARTED_CHATTER;
3091 suppressKibitz = TRUE;
3094 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3095 && looking_at(buf, &i, "* ads displayed")) {
3096 soughtPending = FALSE;
3101 if(appData.autoRefresh) {
3102 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3103 int s = (ics_type == ICS_ICC); // ICC format differs
3105 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3106 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3107 looking_at(buf, &i, "*% "); // eat prompt
3108 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3109 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3110 next_out = i; // suppress
3113 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3114 char *p = star_match[0];
3116 if(seekGraphUp) RemoveSeekAd(atoi(p));
3117 while(*p && *p++ != ' '); // next
3119 looking_at(buf, &i, "*% "); // eat prompt
3120 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3127 /* skip formula vars */
3128 if (started == STARTED_NONE &&
3129 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3130 started = STARTED_CHATTER;
3135 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3136 if (appData.autoKibitz && started == STARTED_NONE &&
3137 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3138 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3139 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3140 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3141 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3142 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3143 suppressKibitz = TRUE;
3144 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3146 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3147 && (gameMode == IcsPlayingWhite)) ||
3148 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3149 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3150 started = STARTED_CHATTER; // own kibitz we simply discard
3152 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3153 parse_pos = 0; parse[0] = NULLCHAR;
3154 savingComment = TRUE;
3155 suppressKibitz = gameMode != IcsObserving ? 2 :
3156 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3160 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3161 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3162 && atoi(star_match[0])) {
3163 // suppress the acknowledgements of our own autoKibitz
3165 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3166 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3167 SendToPlayer(star_match[0], strlen(star_match[0]));
3168 if(looking_at(buf, &i, "*% ")) // eat prompt
3169 suppressKibitz = FALSE;
3173 } // [HGM] kibitz: end of patch
3175 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3177 // [HGM] chat: intercept tells by users for which we have an open chat window
3179 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3180 looking_at(buf, &i, "* whispers:") ||
3181 looking_at(buf, &i, "* kibitzes:") ||
3182 looking_at(buf, &i, "* shouts:") ||
3183 looking_at(buf, &i, "* c-shouts:") ||
3184 looking_at(buf, &i, "--> * ") ||
3185 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3186 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3187 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3188 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3190 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3191 chattingPartner = -1;
3193 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3194 for(p=0; p<MAX_CHAT; p++) {
3195 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3196 talker[0] = '['; strcat(talker, "] ");
3197 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3198 chattingPartner = p; break;
3201 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("kibitzes", chatPartner[p])) {
3204 talker[0] = '['; strcat(talker, "] ");
3205 chattingPartner = p; break;
3208 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3209 for(p=0; p<MAX_CHAT; p++) {
3210 if(!strcmp("whispers", chatPartner[p])) {
3211 talker[0] = '['; strcat(talker, "] ");
3212 chattingPartner = p; break;
3215 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3216 if(buf[i-8] == '-' && buf[i-3] == 't')
3217 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3218 if(!strcmp("c-shouts", chatPartner[p])) {
3219 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3220 chattingPartner = p; break;
3223 if(chattingPartner < 0)
3224 for(p=0; p<MAX_CHAT; p++) {
3225 if(!strcmp("shouts", chatPartner[p])) {
3226 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3227 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3228 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3229 chattingPartner = p; break;
3233 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3234 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3235 talker[0] = 0; Colorize(ColorTell, FALSE);
3236 chattingPartner = p; break;
3238 if(chattingPartner<0) i = oldi; else {
3239 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3240 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3241 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3242 started = STARTED_COMMENT;
3243 parse_pos = 0; parse[0] = NULLCHAR;
3244 savingComment = 3 + chattingPartner; // counts as TRUE
3245 suppressKibitz = TRUE;
3248 } // [HGM] chat: end of patch
3251 if (appData.zippyTalk || appData.zippyPlay) {
3252 /* [DM] Backup address for color zippy lines */
3254 if (loggedOn == TRUE)
3255 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3256 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3258 } // [DM] 'else { ' deleted
3260 /* Regular tells and says */
3261 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3262 looking_at(buf, &i, "* (your partner) tells you: ") ||
3263 looking_at(buf, &i, "* says: ") ||
3264 /* Don't color "message" or "messages" output */
3265 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3266 looking_at(buf, &i, "*. * at *:*: ") ||
3267 looking_at(buf, &i, "--* (*:*): ") ||
3268 /* Message notifications (same color as tells) */
3269 looking_at(buf, &i, "* has left a message ") ||
3270 looking_at(buf, &i, "* just sent you a message:\n") ||
3271 /* Whispers and kibitzes */
3272 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3273 looking_at(buf, &i, "* kibitzes: ") ||
3275 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3277 if (tkind == 1 && strchr(star_match[0], ':')) {
3278 /* Avoid "tells you:" spoofs in channels */
3281 if (star_match[0][0] == NULLCHAR ||
3282 strchr(star_match[0], ' ') ||
3283 (tkind == 3 && strchr(star_match[1], ' '))) {
3284 /* Reject bogus matches */
3287 if (appData.colorize) {
3288 if (oldi > next_out) {
3289 SendToPlayer(&buf[next_out], oldi - next_out);
3294 Colorize(ColorTell, FALSE);
3295 curColor = ColorTell;
3298 Colorize(ColorKibitz, FALSE);
3299 curColor = ColorKibitz;
3302 p = strrchr(star_match[1], '(');
3309 Colorize(ColorChannel1, FALSE);
3310 curColor = ColorChannel1;
3312 Colorize(ColorChannel, FALSE);
3313 curColor = ColorChannel;
3317 curColor = ColorNormal;
3321 if (started == STARTED_NONE && appData.autoComment &&
3322 (gameMode == IcsObserving ||
3323 gameMode == IcsPlayingWhite ||
3324 gameMode == IcsPlayingBlack)) {
3325 parse_pos = i - oldi;
3326 memcpy(parse, &buf[oldi], parse_pos);
3327 parse[parse_pos] = NULLCHAR;
3328 started = STARTED_COMMENT;
3329 savingComment = TRUE;
3331 started = STARTED_CHATTER;
3332 savingComment = FALSE;
3339 if (looking_at(buf, &i, "* s-shouts: ") ||
3340 looking_at(buf, &i, "* c-shouts: ")) {
3341 if (appData.colorize) {
3342 if (oldi > next_out) {
3343 SendToPlayer(&buf[next_out], oldi - next_out);
3346 Colorize(ColorSShout, FALSE);
3347 curColor = ColorSShout;
3350 started = STARTED_CHATTER;
3354 if (looking_at(buf, &i, "--->")) {
3359 if (looking_at(buf, &i, "* shouts: ") ||
3360 looking_at(buf, &i, "--> ")) {
3361 if (appData.colorize) {
3362 if (oldi > next_out) {
3363 SendToPlayer(&buf[next_out], oldi - next_out);
3366 Colorize(ColorShout, FALSE);
3367 curColor = ColorShout;
3370 started = STARTED_CHATTER;
3374 if (looking_at( buf, &i, "Challenge:")) {
3375 if (appData.colorize) {
3376 if (oldi > next_out) {
3377 SendToPlayer(&buf[next_out], oldi - next_out);
3380 Colorize(ColorChallenge, FALSE);
3381 curColor = ColorChallenge;
3387 if (looking_at(buf, &i, "* offers you") ||
3388 looking_at(buf, &i, "* offers to be") ||
3389 looking_at(buf, &i, "* would like to") ||
3390 looking_at(buf, &i, "* requests to") ||
3391 looking_at(buf, &i, "Your opponent offers") ||
3392 looking_at(buf, &i, "Your opponent requests")) {
3394 if (appData.colorize) {
3395 if (oldi > next_out) {
3396 SendToPlayer(&buf[next_out], oldi - next_out);
3399 Colorize(ColorRequest, FALSE);
3400 curColor = ColorRequest;
3405 if (looking_at(buf, &i, "* (*) seeking")) {
3406 if (appData.colorize) {
3407 if (oldi > next_out) {
3408 SendToPlayer(&buf[next_out], oldi - next_out);
3411 Colorize(ColorSeek, FALSE);
3412 curColor = ColorSeek;
3417 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3419 if (looking_at(buf, &i, "\\ ")) {
3420 if (prevColor != ColorNormal) {
3421 if (oldi > next_out) {
3422 SendToPlayer(&buf[next_out], oldi - next_out);
3425 Colorize(prevColor, TRUE);
3426 curColor = prevColor;
3428 if (savingComment) {
3429 parse_pos = i - oldi;
3430 memcpy(parse, &buf[oldi], parse_pos);
3431 parse[parse_pos] = NULLCHAR;
3432 started = STARTED_COMMENT;
3433 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3434 chattingPartner = savingComment - 3; // kludge to remember the box
3436 started = STARTED_CHATTER;
3441 if (looking_at(buf, &i, "Black Strength :") ||
3442 looking_at(buf, &i, "<<< style 10 board >>>") ||
3443 looking_at(buf, &i, "<10>") ||
3444 looking_at(buf, &i, "#@#")) {
3445 /* Wrong board style */
3447 SendToICS(ics_prefix);
3448 SendToICS("set style 12\n");
3449 SendToICS(ics_prefix);
3450 SendToICS("refresh\n");
3454 if (looking_at(buf, &i, "login:")) {
3455 if (!have_sent_ICS_logon) {
3457 have_sent_ICS_logon = 1;
3458 else // no init script was found
3459 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3460 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3461 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3466 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3467 (looking_at(buf, &i, "\n<12> ") ||
3468 looking_at(buf, &i, "<12> "))) {
3470 if (oldi > next_out) {
3471 SendToPlayer(&buf[next_out], oldi - next_out);
3474 started = STARTED_BOARD;
3479 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3480 looking_at(buf, &i, "<b1> ")) {
3481 if (oldi > next_out) {
3482 SendToPlayer(&buf[next_out], oldi - next_out);
3485 started = STARTED_HOLDINGS;
3490 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3492 /* Header for a move list -- first line */
3494 switch (ics_getting_history) {
3498 case BeginningOfGame:
3499 /* User typed "moves" or "oldmoves" while we
3500 were idle. Pretend we asked for these
3501 moves and soak them up so user can step
3502 through them and/or save them.
3505 gameMode = IcsObserving;
3508 ics_getting_history = H_GOT_UNREQ_HEADER;
3510 case EditGame: /*?*/
3511 case EditPosition: /*?*/
3512 /* Should above feature work in these modes too? */
3513 /* For now it doesn't */
3514 ics_getting_history = H_GOT_UNWANTED_HEADER;
3517 ics_getting_history = H_GOT_UNWANTED_HEADER;
3522 /* Is this the right one? */
3523 if (gameInfo.white && gameInfo.black &&
3524 strcmp(gameInfo.white, star_match[0]) == 0 &&
3525 strcmp(gameInfo.black, star_match[2]) == 0) {
3527 ics_getting_history = H_GOT_REQ_HEADER;
3530 case H_GOT_REQ_HEADER:
3531 case H_GOT_UNREQ_HEADER:
3532 case H_GOT_UNWANTED_HEADER:
3533 case H_GETTING_MOVES:
3534 /* Should not happen */
3535 DisplayError(_("Error gathering move list: two headers"), 0);
3536 ics_getting_history = H_FALSE;
3540 /* Save player ratings into gameInfo if needed */
3541 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3542 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3543 (gameInfo.whiteRating == -1 ||
3544 gameInfo.blackRating == -1)) {
3546 gameInfo.whiteRating = string_to_rating(star_match[1]);
3547 gameInfo.blackRating = string_to_rating(star_match[3]);
3548 if (appData.debugMode)
3549 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3550 gameInfo.whiteRating, gameInfo.blackRating);
3555 if (looking_at(buf, &i,
3556 "* * match, initial time: * minute*, increment: * second")) {
3557 /* Header for a move list -- second line */
3558 /* Initial board will follow if this is a wild game */
3559 if (gameInfo.event != NULL) free(gameInfo.event);
3560 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3561 gameInfo.event = StrSave(str);
3562 /* [HGM] we switched variant. Translate boards if needed. */
3563 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3567 if (looking_at(buf, &i, "Move ")) {
3568 /* Beginning of a move list */
3569 switch (ics_getting_history) {
3571 /* Normally should not happen */
3572 /* Maybe user hit reset while we were parsing */
3575 /* Happens if we are ignoring a move list that is not
3576 * the one we just requested. Common if the user
3577 * tries to observe two games without turning off
3580 case H_GETTING_MOVES:
3581 /* Should not happen */
3582 DisplayError(_("Error gathering move list: nested"), 0);
3583 ics_getting_history = H_FALSE;
3585 case H_GOT_REQ_HEADER:
3586 ics_getting_history = H_GETTING_MOVES;
3587 started = STARTED_MOVES;
3589 if (oldi > next_out) {
3590 SendToPlayer(&buf[next_out], oldi - next_out);
3593 case H_GOT_UNREQ_HEADER:
3594 ics_getting_history = H_GETTING_MOVES;
3595 started = STARTED_MOVES_NOHIDE;
3598 case H_GOT_UNWANTED_HEADER:
3599 ics_getting_history = H_FALSE;
3605 if (looking_at(buf, &i, "% ") ||
3606 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3607 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3608 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3609 soughtPending = FALSE;
3613 if(suppressKibitz) next_out = i;
3614 savingComment = FALSE;
3618 case STARTED_MOVES_NOHIDE:
3619 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3620 parse[parse_pos + i - oldi] = NULLCHAR;
3621 ParseGameHistory(parse);
3623 if (appData.zippyPlay && first.initDone) {
3624 FeedMovesToProgram(&first, forwardMostMove);
3625 if (gameMode == IcsPlayingWhite) {
3626 if (WhiteOnMove(forwardMostMove)) {
3627 if (first.sendTime) {
3628 if (first.useColors) {
3629 SendToProgram("black\n", &first);
3631 SendTimeRemaining(&first, TRUE);
3633 if (first.useColors) {
3634 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3636 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3637 first.maybeThinking = TRUE;
3639 if (first.usePlayother) {
3640 if (first.sendTime) {
3641 SendTimeRemaining(&first, TRUE);
3643 SendToProgram("playother\n", &first);
3649 } else if (gameMode == IcsPlayingBlack) {
3650 if (!WhiteOnMove(forwardMostMove)) {
3651 if (first.sendTime) {
3652 if (first.useColors) {
3653 SendToProgram("white\n", &first);
3655 SendTimeRemaining(&first, FALSE);
3657 if (first.useColors) {
3658 SendToProgram("black\n", &first);
3660 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3661 first.maybeThinking = TRUE;
3663 if (first.usePlayother) {
3664 if (first.sendTime) {
3665 SendTimeRemaining(&first, FALSE);
3667 SendToProgram("playother\n", &first);
3676 if (gameMode == IcsObserving && ics_gamenum == -1) {
3677 /* Moves came from oldmoves or moves command
3678 while we weren't doing anything else.
3680 currentMove = forwardMostMove;
3681 ClearHighlights();/*!!could figure this out*/
3682 flipView = appData.flipView;
3683 DrawPosition(TRUE, boards[currentMove]);
3684 DisplayBothClocks();
3685 snprintf(str, MSG_SIZ, "%s %s %s",
3686 gameInfo.white, _("vs."), gameInfo.black);
3690 /* Moves were history of an active game */
3691 if (gameInfo.resultDetails != NULL) {
3692 free(gameInfo.resultDetails);
3693 gameInfo.resultDetails = NULL;
3696 HistorySet(parseList, backwardMostMove,
3697 forwardMostMove, currentMove-1);
3698 DisplayMove(currentMove - 1);
3699 if (started == STARTED_MOVES) next_out = i;
3700 started = STARTED_NONE;
3701 ics_getting_history = H_FALSE;
3704 case STARTED_OBSERVE:
3705 started = STARTED_NONE;
3706 SendToICS(ics_prefix);
3707 SendToICS("refresh\n");
3713 if(bookHit) { // [HGM] book: simulate book reply
3714 static char bookMove[MSG_SIZ]; // a bit generous?
3716 programStats.nodes = programStats.depth = programStats.time =
3717 programStats.score = programStats.got_only_move = 0;
3718 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3720 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3721 strcat(bookMove, bookHit);
3722 HandleMachineMove(bookMove, &first);
3727 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3728 started == STARTED_HOLDINGS ||
3729 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3730 /* Accumulate characters in move list or board */
3731 parse[parse_pos++] = buf[i];
3734 /* Start of game messages. Mostly we detect start of game
3735 when the first board image arrives. On some versions
3736 of the ICS, though, we need to do a "refresh" after starting
3737 to observe in order to get the current board right away. */
3738 if (looking_at(buf, &i, "Adding game * to observation list")) {
3739 started = STARTED_OBSERVE;
3743 /* Handle auto-observe */
3744 if (appData.autoObserve &&
3745 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3746 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3748 /* Choose the player that was highlighted, if any. */
3749 if (star_match[0][0] == '\033' ||
3750 star_match[1][0] != '\033') {
3751 player = star_match[0];
3753 player = star_match[2];
3755 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3756 ics_prefix, StripHighlightAndTitle(player));
3759 /* Save ratings from notify string */
3760 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3761 player1Rating = string_to_rating(star_match[1]);
3762 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3763 player2Rating = string_to_rating(star_match[3]);
3765 if (appData.debugMode)
3767 "Ratings from 'Game notification:' %s %d, %s %d\n",
3768 player1Name, player1Rating,
3769 player2Name, player2Rating);
3774 /* Deal with automatic examine mode after a game,
3775 and with IcsObserving -> IcsExamining transition */
3776 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3777 looking_at(buf, &i, "has made you an examiner of game *")) {
3779 int gamenum = atoi(star_match[0]);
3780 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3781 gamenum == ics_gamenum) {
3782 /* We were already playing or observing this game;
3783 no need to refetch history */
3784 gameMode = IcsExamining;
3786 pauseExamForwardMostMove = forwardMostMove;
3787 } else if (currentMove < forwardMostMove) {
3788 ForwardInner(forwardMostMove);
3791 /* I don't think this case really can happen */
3792 SendToICS(ics_prefix);
3793 SendToICS("refresh\n");
3798 /* Error messages */
3799 // if (ics_user_moved) {
3800 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3801 if (looking_at(buf, &i, "Illegal move") ||
3802 looking_at(buf, &i, "Not a legal move") ||
3803 looking_at(buf, &i, "Your king is in check") ||
3804 looking_at(buf, &i, "It isn't your turn") ||
3805 looking_at(buf, &i, "It is not your move")) {
3807 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3808 currentMove = forwardMostMove-1;
3809 DisplayMove(currentMove - 1); /* before DMError */
3810 DrawPosition(FALSE, boards[currentMove]);
3811 SwitchClocks(forwardMostMove-1); // [HGM] race
3812 DisplayBothClocks();
3814 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3820 if (looking_at(buf, &i, "still have time") ||
3821 looking_at(buf, &i, "not out of time") ||
3822 looking_at(buf, &i, "either player is out of time") ||
3823 looking_at(buf, &i, "has timeseal; checking")) {
3824 /* We must have called his flag a little too soon */
3825 whiteFlag = blackFlag = FALSE;
3829 if (looking_at(buf, &i, "added * seconds to") ||
3830 looking_at(buf, &i, "seconds were added to")) {
3831 /* Update the clocks */
3832 SendToICS(ics_prefix);
3833 SendToICS("refresh\n");
3837 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3838 ics_clock_paused = TRUE;
3843 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3844 ics_clock_paused = FALSE;
3849 /* Grab player ratings from the Creating: message.
3850 Note we have to check for the special case when
3851 the ICS inserts things like [white] or [black]. */
3852 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3853 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3855 0 player 1 name (not necessarily white)
3857 2 empty, white, or black (IGNORED)
3858 3 player 2 name (not necessarily black)
3861 The names/ratings are sorted out when the game
3862 actually starts (below).
3864 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3865 player1Rating = string_to_rating(star_match[1]);
3866 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3867 player2Rating = string_to_rating(star_match[4]);
3869 if (appData.debugMode)
3871 "Ratings from 'Creating:' %s %d, %s %d\n",
3872 player1Name, player1Rating,
3873 player2Name, player2Rating);
3878 /* Improved generic start/end-of-game messages */
3879 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3880 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3881 /* If tkind == 0: */
3882 /* star_match[0] is the game number */
3883 /* [1] is the white player's name */
3884 /* [2] is the black player's name */
3885 /* For end-of-game: */
3886 /* [3] is the reason for the game end */
3887 /* [4] is a PGN end game-token, preceded by " " */
3888 /* For start-of-game: */
3889 /* [3] begins with "Creating" or "Continuing" */
3890 /* [4] is " *" or empty (don't care). */
3891 int gamenum = atoi(star_match[0]);
3892 char *whitename, *blackname, *why, *endtoken;
3893 ChessMove endtype = EndOfFile;
3896 whitename = star_match[1];
3897 blackname = star_match[2];
3898 why = star_match[3];
3899 endtoken = star_match[4];
3901 whitename = star_match[1];
3902 blackname = star_match[3];
3903 why = star_match[5];
3904 endtoken = star_match[6];
3907 /* Game start messages */
3908 if (strncmp(why, "Creating ", 9) == 0 ||
3909 strncmp(why, "Continuing ", 11) == 0) {
3910 gs_gamenum = gamenum;
3911 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3912 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3913 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3915 if (appData.zippyPlay) {
3916 ZippyGameStart(whitename, blackname);
3919 partnerBoardValid = FALSE; // [HGM] bughouse
3923 /* Game end messages */
3924 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3925 ics_gamenum != gamenum) {
3928 while (endtoken[0] == ' ') endtoken++;
3929 switch (endtoken[0]) {
3932 endtype = GameUnfinished;
3935 endtype = BlackWins;
3938 if (endtoken[1] == '/')
3939 endtype = GameIsDrawn;
3941 endtype = WhiteWins;
3944 GameEnds(endtype, why, GE_ICS);
3946 if (appData.zippyPlay && first.initDone) {
3947 ZippyGameEnd(endtype, why);
3948 if (first.pr == NoProc) {
3949 /* Start the next process early so that we'll
3950 be ready for the next challenge */
3951 StartChessProgram(&first);
3953 /* Send "new" early, in case this command takes
3954 a long time to finish, so that we'll be ready
3955 for the next challenge. */
3956 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3960 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3964 if (looking_at(buf, &i, "Removing game * from observation") ||
3965 looking_at(buf, &i, "no longer observing game *") ||
3966 looking_at(buf, &i, "Game * (*) has no examiners")) {
3967 if (gameMode == IcsObserving &&
3968 atoi(star_match[0]) == ics_gamenum)
3970 /* icsEngineAnalyze */
3971 if (appData.icsEngineAnalyze) {
3978 ics_user_moved = FALSE;
3983 if (looking_at(buf, &i, "no longer examining game *")) {
3984 if (gameMode == IcsExamining &&
3985 atoi(star_match[0]) == ics_gamenum)
3989 ics_user_moved = FALSE;
3994 /* Advance leftover_start past any newlines we find,
3995 so only partial lines can get reparsed */
3996 if (looking_at(buf, &i, "\n")) {
3997 prevColor = curColor;
3998 if (curColor != ColorNormal) {
3999 if (oldi > next_out) {
4000 SendToPlayer(&buf[next_out], oldi - next_out);
4003 Colorize(ColorNormal, FALSE);
4004 curColor = ColorNormal;
4006 if (started == STARTED_BOARD) {
4007 started = STARTED_NONE;
4008 parse[parse_pos] = NULLCHAR;
4009 ParseBoard12(parse);
4012 /* Send premove here */
4013 if (appData.premove) {
4015 if (currentMove == 0 &&
4016 gameMode == IcsPlayingWhite &&
4017 appData.premoveWhite) {
4018 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4019 if (appData.debugMode)
4020 fprintf(debugFP, "Sending premove:\n");
4022 } else if (currentMove == 1 &&
4023 gameMode == IcsPlayingBlack &&
4024 appData.premoveBlack) {
4025 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Sending premove:\n");
4029 } else if (gotPremove) {
4031 ClearPremoveHighlights();
4032 if (appData.debugMode)
4033 fprintf(debugFP, "Sending premove:\n");
4034 UserMoveEvent(premoveFromX, premoveFromY,
4035 premoveToX, premoveToY,
4040 /* Usually suppress following prompt */
4041 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4042 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4043 if (looking_at(buf, &i, "*% ")) {
4044 savingComment = FALSE;
4049 } else if (started == STARTED_HOLDINGS) {
4051 char new_piece[MSG_SIZ];
4052 started = STARTED_NONE;
4053 parse[parse_pos] = NULLCHAR;
4054 if (appData.debugMode)
4055 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4056 parse, currentMove);
4057 if (sscanf(parse, " game %d", &gamenum) == 1) {
4058 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4059 if (gameInfo.variant == VariantNormal) {
4060 /* [HGM] We seem to switch variant during a game!
4061 * Presumably no holdings were displayed, so we have
4062 * to move the position two files to the right to
4063 * create room for them!
4065 VariantClass newVariant;
4066 switch(gameInfo.boardWidth) { // base guess on board width
4067 case 9: newVariant = VariantShogi; break;
4068 case 10: newVariant = VariantGreat; break;
4069 default: newVariant = VariantCrazyhouse; break;
4071 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4072 /* Get a move list just to see the header, which
4073 will tell us whether this is really bug or zh */
4074 if (ics_getting_history == H_FALSE) {
4075 ics_getting_history = H_REQUESTED;
4076 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4080 new_piece[0] = NULLCHAR;
4081 sscanf(parse, "game %d white [%s black [%s <- %s",
4082 &gamenum, white_holding, black_holding,
4084 white_holding[strlen(white_holding)-1] = NULLCHAR;
4085 black_holding[strlen(black_holding)-1] = NULLCHAR;
4086 /* [HGM] copy holdings to board holdings area */
4087 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4088 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4089 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4091 if (appData.zippyPlay && first.initDone) {
4092 ZippyHoldings(white_holding, black_holding,
4096 if (tinyLayout || smallLayout) {
4097 char wh[16], bh[16];
4098 PackHolding(wh, white_holding);
4099 PackHolding(bh, black_holding);
4100 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4101 gameInfo.white, gameInfo.black);
4103 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4104 gameInfo.white, white_holding, _("vs."),
4105 gameInfo.black, black_holding);
4107 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4108 DrawPosition(FALSE, boards[currentMove]);
4110 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4111 sscanf(parse, "game %d white [%s black [%s <- %s",
4112 &gamenum, white_holding, black_holding,
4114 white_holding[strlen(white_holding)-1] = NULLCHAR;
4115 black_holding[strlen(black_holding)-1] = NULLCHAR;
4116 /* [HGM] copy holdings to partner-board holdings area */
4117 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4118 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4119 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4120 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4121 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4124 /* Suppress following prompt */
4125 if (looking_at(buf, &i, "*% ")) {
4126 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4127 savingComment = FALSE;
4135 i++; /* skip unparsed character and loop back */
4138 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4139 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4140 // SendToPlayer(&buf[next_out], i - next_out);
4141 started != STARTED_HOLDINGS && leftover_start > next_out) {
4142 SendToPlayer(&buf[next_out], leftover_start - next_out);
4146 leftover_len = buf_len - leftover_start;
4147 /* if buffer ends with something we couldn't parse,
4148 reparse it after appending the next read */
4150 } else if (count == 0) {
4151 RemoveInputSource(isr);
4152 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4154 DisplayFatalError(_("Error reading from ICS"), error, 1);
4159 /* Board style 12 looks like this:
4161 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4163 * The "<12> " is stripped before it gets to this routine. The two
4164 * trailing 0's (flip state and clock ticking) are later addition, and
4165 * some chess servers may not have them, or may have only the first.
4166 * Additional trailing fields may be added in the future.
4169 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4171 #define RELATION_OBSERVING_PLAYED 0
4172 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4173 #define RELATION_PLAYING_MYMOVE 1
4174 #define RELATION_PLAYING_NOTMYMOVE -1
4175 #define RELATION_EXAMINING 2
4176 #define RELATION_ISOLATED_BOARD -3
4177 #define RELATION_STARTING_POSITION -4 /* FICS only */
4180 ParseBoard12 (char *string)
4182 GameMode newGameMode;
4183 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4184 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4185 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4186 char to_play, board_chars[200];
4187 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4188 char black[32], white[32];
4190 int prevMove = currentMove;
4193 int fromX, fromY, toX, toY;
4195 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4196 char *bookHit = NULL; // [HGM] book
4197 Boolean weird = FALSE, reqFlag = FALSE;
4199 fromX = fromY = toX = toY = -1;
4203 if (appData.debugMode)
4204 fprintf(debugFP, _("Parsing board: %s\n"), string);
4206 move_str[0] = NULLCHAR;
4207 elapsed_time[0] = NULLCHAR;
4208 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4210 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4211 if(string[i] == ' ') { ranks++; files = 0; }
4213 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4216 for(j = 0; j <i; j++) board_chars[j] = string[j];
4217 board_chars[i] = '\0';
4220 n = sscanf(string, PATTERN, &to_play, &double_push,
4221 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4222 &gamenum, white, black, &relation, &basetime, &increment,
4223 &white_stren, &black_stren, &white_time, &black_time,
4224 &moveNum, str, elapsed_time, move_str, &ics_flip,
4228 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4229 DisplayError(str, 0);
4233 /* Convert the move number to internal form */
4234 moveNum = (moveNum - 1) * 2;
4235 if (to_play == 'B') moveNum++;
4236 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4237 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4243 case RELATION_OBSERVING_PLAYED:
4244 case RELATION_OBSERVING_STATIC:
4245 if (gamenum == -1) {
4246 /* Old ICC buglet */
4247 relation = RELATION_OBSERVING_STATIC;
4249 newGameMode = IcsObserving;
4251 case RELATION_PLAYING_MYMOVE:
4252 case RELATION_PLAYING_NOTMYMOVE:
4254 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4255 IcsPlayingWhite : IcsPlayingBlack;
4256 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4258 case RELATION_EXAMINING:
4259 newGameMode = IcsExamining;
4261 case RELATION_ISOLATED_BOARD:
4263 /* Just display this board. If user was doing something else,
4264 we will forget about it until the next board comes. */
4265 newGameMode = IcsIdle;
4267 case RELATION_STARTING_POSITION:
4268 newGameMode = gameMode;
4272 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4273 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4274 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4275 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4276 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4277 static int lastBgGame = -1;
4279 for (k = 0; k < ranks; k++) {
4280 for (j = 0; j < files; j++)
4281 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4282 if(gameInfo.holdingsWidth > 1) {
4283 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4284 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4287 CopyBoard(partnerBoard, board);
4288 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4289 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4290 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4291 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4292 if(toSqr = strchr(str, '-')) {
4293 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4294 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4295 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4296 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4297 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4298 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4300 DisplayWhiteClock(white_time*fac, to_play == 'W');
4301 DisplayBlackClock(black_time*fac, to_play != 'W');
4302 activePartner = to_play;
4303 if(gamenum != lastBgGame) {
4305 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4308 lastBgGame = gamenum;
4309 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4310 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4311 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4312 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4313 DisplayMessage(partnerStatus, "");
4314 partnerBoardValid = TRUE;
4318 if(appData.dualBoard && appData.bgObserve) {
4319 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4320 SendToICS(ics_prefix), SendToICS("pobserve\n");
4321 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4323 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4328 /* Modify behavior for initial board display on move listing
4331 switch (ics_getting_history) {
4335 case H_GOT_REQ_HEADER:
4336 case H_GOT_UNREQ_HEADER:
4337 /* This is the initial position of the current game */
4338 gamenum = ics_gamenum;
4339 moveNum = 0; /* old ICS bug workaround */
4340 if (to_play == 'B') {
4341 startedFromSetupPosition = TRUE;
4342 blackPlaysFirst = TRUE;
4344 if (forwardMostMove == 0) forwardMostMove = 1;
4345 if (backwardMostMove == 0) backwardMostMove = 1;
4346 if (currentMove == 0) currentMove = 1;
4348 newGameMode = gameMode;
4349 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4351 case H_GOT_UNWANTED_HEADER:
4352 /* This is an initial board that we don't want */
4354 case H_GETTING_MOVES:
4355 /* Should not happen */
4356 DisplayError(_("Error gathering move list: extra board"), 0);
4357 ics_getting_history = H_FALSE;
4361 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4362 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4363 weird && (int)gameInfo.variant < (int)VariantShogi) {
4364 /* [HGM] We seem to have switched variant unexpectedly
4365 * Try to guess new variant from board size
4367 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4368 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4369 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4370 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4371 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4372 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4373 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4374 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4375 /* Get a move list just to see the header, which
4376 will tell us whether this is really bug or zh */
4377 if (ics_getting_history == H_FALSE) {
4378 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4379 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4384 /* Take action if this is the first board of a new game, or of a
4385 different game than is currently being displayed. */
4386 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4387 relation == RELATION_ISOLATED_BOARD) {
4389 /* Forget the old game and get the history (if any) of the new one */
4390 if (gameMode != BeginningOfGame) {
4394 if (appData.autoRaiseBoard) BoardToTop();
4396 if (gamenum == -1) {
4397 newGameMode = IcsIdle;
4398 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4399 appData.getMoveList && !reqFlag) {
4400 /* Need to get game history */
4401 ics_getting_history = H_REQUESTED;
4402 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4406 /* Initially flip the board to have black on the bottom if playing
4407 black or if the ICS flip flag is set, but let the user change
4408 it with the Flip View button. */
4409 flipView = appData.autoFlipView ?
4410 (newGameMode == IcsPlayingBlack) || ics_flip :
4413 /* Done with values from previous mode; copy in new ones */
4414 gameMode = newGameMode;
4416 ics_gamenum = gamenum;
4417 if (gamenum == gs_gamenum) {
4418 int klen = strlen(gs_kind);
4419 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4420 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4421 gameInfo.event = StrSave(str);
4423 gameInfo.event = StrSave("ICS game");
4425 gameInfo.site = StrSave(appData.icsHost);
4426 gameInfo.date = PGNDate();
4427 gameInfo.round = StrSave("-");
4428 gameInfo.white = StrSave(white);
4429 gameInfo.black = StrSave(black);
4430 timeControl = basetime * 60 * 1000;
4432 timeIncrement = increment * 1000;
4433 movesPerSession = 0;
4434 gameInfo.timeControl = TimeControlTagValue();
4435 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4436 if (appData.debugMode) {
4437 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4438 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4439 setbuf(debugFP, NULL);
4442 gameInfo.outOfBook = NULL;
4444 /* Do we have the ratings? */
4445 if (strcmp(player1Name, white) == 0 &&
4446 strcmp(player2Name, black) == 0) {
4447 if (appData.debugMode)
4448 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4449 player1Rating, player2Rating);
4450 gameInfo.whiteRating = player1Rating;
4451 gameInfo.blackRating = player2Rating;
4452 } else if (strcmp(player2Name, white) == 0 &&
4453 strcmp(player1Name, black) == 0) {
4454 if (appData.debugMode)
4455 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4456 player2Rating, player1Rating);
4457 gameInfo.whiteRating = player2Rating;
4458 gameInfo.blackRating = player1Rating;
4460 player1Name[0] = player2Name[0] = NULLCHAR;
4462 /* Silence shouts if requested */
4463 if (appData.quietPlay &&
4464 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4465 SendToICS(ics_prefix);
4466 SendToICS("set shout 0\n");
4470 /* Deal with midgame name changes */
4472 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4473 if (gameInfo.white) free(gameInfo.white);
4474 gameInfo.white = StrSave(white);
4476 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4477 if (gameInfo.black) free(gameInfo.black);
4478 gameInfo.black = StrSave(black);
4482 /* Throw away game result if anything actually changes in examine mode */
4483 if (gameMode == IcsExamining && !newGame) {
4484 gameInfo.result = GameUnfinished;
4485 if (gameInfo.resultDetails != NULL) {
4486 free(gameInfo.resultDetails);
4487 gameInfo.resultDetails = NULL;
4491 /* In pausing && IcsExamining mode, we ignore boards coming
4492 in if they are in a different variation than we are. */
4493 if (pauseExamInvalid) return;
4494 if (pausing && gameMode == IcsExamining) {
4495 if (moveNum <= pauseExamForwardMostMove) {
4496 pauseExamInvalid = TRUE;
4497 forwardMostMove = pauseExamForwardMostMove;
4502 if (appData.debugMode) {
4503 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4505 /* Parse the board */
4506 for (k = 0; k < ranks; k++) {
4507 for (j = 0; j < files; j++)
4508 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4509 if(gameInfo.holdingsWidth > 1) {
4510 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4511 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4514 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4515 board[5][BOARD_RGHT+1] = WhiteAngel;
4516 board[6][BOARD_RGHT+1] = WhiteMarshall;
4517 board[1][0] = BlackMarshall;
4518 board[2][0] = BlackAngel;
4519 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4521 CopyBoard(boards[moveNum], board);
4522 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4524 startedFromSetupPosition =
4525 !CompareBoards(board, initialPosition);
4526 if(startedFromSetupPosition)
4527 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4530 /* [HGM] Set castling rights. Take the outermost Rooks,
4531 to make it also work for FRC opening positions. Note that board12
4532 is really defective for later FRC positions, as it has no way to
4533 indicate which Rook can castle if they are on the same side of King.
4534 For the initial position we grant rights to the outermost Rooks,
4535 and remember thos rights, and we then copy them on positions
4536 later in an FRC game. This means WB might not recognize castlings with
4537 Rooks that have moved back to their original position as illegal,
4538 but in ICS mode that is not its job anyway.
4540 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4541 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4543 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4544 if(board[0][i] == WhiteRook) j = i;
4545 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4546 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4547 if(board[0][i] == WhiteRook) j = i;
4548 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4549 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4550 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4551 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4552 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4553 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4554 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4556 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4557 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4558 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4559 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4560 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4561 if(board[BOARD_HEIGHT-1][k] == bKing)
4562 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4563 if(gameInfo.variant == VariantTwoKings) {
4564 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4565 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4566 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4569 r = boards[moveNum][CASTLING][0] = initialRights[0];
4570 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4571 r = boards[moveNum][CASTLING][1] = initialRights[1];
4572 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4573 r = boards[moveNum][CASTLING][3] = initialRights[3];
4574 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4575 r = boards[moveNum][CASTLING][4] = initialRights[4];
4576 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4577 /* wildcastle kludge: always assume King has rights */
4578 r = boards[moveNum][CASTLING][2] = initialRights[2];
4579 r = boards[moveNum][CASTLING][5] = initialRights[5];
4581 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4582 boards[moveNum][EP_STATUS] = EP_NONE;
4583 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4584 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4585 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4588 if (ics_getting_history == H_GOT_REQ_HEADER ||
4589 ics_getting_history == H_GOT_UNREQ_HEADER) {
4590 /* This was an initial position from a move list, not
4591 the current position */
4595 /* Update currentMove and known move number limits */
4596 newMove = newGame || moveNum > forwardMostMove;
4599 forwardMostMove = backwardMostMove = currentMove = moveNum;
4600 if (gameMode == IcsExamining && moveNum == 0) {
4601 /* Workaround for ICS limitation: we are not told the wild
4602 type when starting to examine a game. But if we ask for
4603 the move list, the move list header will tell us */
4604 ics_getting_history = H_REQUESTED;
4605 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4608 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4609 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4611 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4612 /* [HGM] applied this also to an engine that is silently watching */
4613 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4614 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4615 gameInfo.variant == currentlyInitializedVariant) {
4616 takeback = forwardMostMove - moveNum;
4617 for (i = 0; i < takeback; i++) {
4618 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4619 SendToProgram("undo\n", &first);
4624 forwardMostMove = moveNum;
4625 if (!pausing || currentMove > forwardMostMove)
4626 currentMove = forwardMostMove;
4628 /* New part of history that is not contiguous with old part */
4629 if (pausing && gameMode == IcsExamining) {
4630 pauseExamInvalid = TRUE;
4631 forwardMostMove = pauseExamForwardMostMove;
4634 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4636 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4637 // [HGM] when we will receive the move list we now request, it will be
4638 // fed to the engine from the first move on. So if the engine is not
4639 // in the initial position now, bring it there.
4640 InitChessProgram(&first, 0);
4643 ics_getting_history = H_REQUESTED;
4644 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4647 forwardMostMove = backwardMostMove = currentMove = moveNum;
4650 /* Update the clocks */
4651 if (strchr(elapsed_time, '.')) {
4653 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4654 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4656 /* Time is in seconds */
4657 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4658 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4663 if (appData.zippyPlay && newGame &&
4664 gameMode != IcsObserving && gameMode != IcsIdle &&
4665 gameMode != IcsExamining)
4666 ZippyFirstBoard(moveNum, basetime, increment);
4669 /* Put the move on the move list, first converting
4670 to canonical algebraic form. */
4672 if (appData.debugMode) {
4673 if (appData.debugMode) { int f = forwardMostMove;
4674 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4675 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4676 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4678 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4679 fprintf(debugFP, "moveNum = %d\n", moveNum);
4680 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4681 setbuf(debugFP, NULL);
4683 if (moveNum <= backwardMostMove) {
4684 /* We don't know what the board looked like before
4686 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4687 strcat(parseList[moveNum - 1], " ");
4688 strcat(parseList[moveNum - 1], elapsed_time);
4689 moveList[moveNum - 1][0] = NULLCHAR;
4690 } else if (strcmp(move_str, "none") == 0) {
4691 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4692 /* Again, we don't know what the board looked like;
4693 this is really the start of the game. */
4694 parseList[moveNum - 1][0] = NULLCHAR;
4695 moveList[moveNum - 1][0] = NULLCHAR;
4696 backwardMostMove = moveNum;
4697 startedFromSetupPosition = TRUE;
4698 fromX = fromY = toX = toY = -1;
4700 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4701 // So we parse the long-algebraic move string in stead of the SAN move
4702 int valid; char buf[MSG_SIZ], *prom;
4704 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4705 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4706 // str looks something like "Q/a1-a2"; kill the slash
4708 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4709 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4710 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4711 strcat(buf, prom); // long move lacks promo specification!
4712 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4713 if(appData.debugMode)
4714 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4715 safeStrCpy(move_str, buf, MSG_SIZ);
4717 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4718 &fromX, &fromY, &toX, &toY, &promoChar)
4719 || ParseOneMove(buf, moveNum - 1, &moveType,
4720 &fromX, &fromY, &toX, &toY, &promoChar);
4721 // end of long SAN patch
4723 (void) CoordsToAlgebraic(boards[moveNum - 1],
4724 PosFlags(moveNum - 1),
4725 fromY, fromX, toY, toX, promoChar,
4726 parseList[moveNum-1]);
4727 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4733 if(gameInfo.variant != VariantShogi)
4734 strcat(parseList[moveNum - 1], "+");
4737 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4738 strcat(parseList[moveNum - 1], "#");
4741 strcat(parseList[moveNum - 1], " ");
4742 strcat(parseList[moveNum - 1], elapsed_time);
4743 /* currentMoveString is set as a side-effect of ParseOneMove */
4744 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4745 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4746 strcat(moveList[moveNum - 1], "\n");
4748 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4749 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4750 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4751 ChessSquare old, new = boards[moveNum][k][j];
4752 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4753 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4754 if(old == new) continue;
4755 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4756 else if(new == WhiteWazir || new == BlackWazir) {
4757 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4758 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4759 else boards[moveNum][k][j] = old; // preserve type of Gold
4760 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4761 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4764 /* Move from ICS was illegal!? Punt. */
4765 if (appData.debugMode) {
4766 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4767 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4769 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4770 strcat(parseList[moveNum - 1], " ");
4771 strcat(parseList[moveNum - 1], elapsed_time);
4772 moveList[moveNum - 1][0] = NULLCHAR;
4773 fromX = fromY = toX = toY = -1;
4776 if (appData.debugMode) {
4777 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4778 setbuf(debugFP, NULL);
4782 /* Send move to chess program (BEFORE animating it). */
4783 if (appData.zippyPlay && !newGame && newMove &&
4784 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4786 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4787 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4788 if (moveList[moveNum - 1][0] == NULLCHAR) {
4789 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4791 DisplayError(str, 0);
4793 if (first.sendTime) {
4794 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4796 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4797 if (firstMove && !bookHit) {
4799 if (first.useColors) {
4800 SendToProgram(gameMode == IcsPlayingWhite ?
4802 "black\ngo\n", &first);
4804 SendToProgram("go\n", &first);
4806 first.maybeThinking = TRUE;
4809 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4810 if (moveList[moveNum - 1][0] == NULLCHAR) {
4811 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4812 DisplayError(str, 0);
4814 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4815 SendMoveToProgram(moveNum - 1, &first);
4822 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4823 /* If move comes from a remote source, animate it. If it
4824 isn't remote, it will have already been animated. */
4825 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4826 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4828 if (!pausing && appData.highlightLastMove) {
4829 SetHighlights(fromX, fromY, toX, toY);
4833 /* Start the clocks */
4834 whiteFlag = blackFlag = FALSE;
4835 appData.clockMode = !(basetime == 0 && increment == 0);
4837 ics_clock_paused = TRUE;
4839 } else if (ticking == 1) {
4840 ics_clock_paused = FALSE;
4842 if (gameMode == IcsIdle ||
4843 relation == RELATION_OBSERVING_STATIC ||
4844 relation == RELATION_EXAMINING ||
4846 DisplayBothClocks();
4850 /* Display opponents and material strengths */
4851 if (gameInfo.variant != VariantBughouse &&
4852 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4853 if (tinyLayout || smallLayout) {
4854 if(gameInfo.variant == VariantNormal)
4855 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4856 gameInfo.white, white_stren, gameInfo.black, black_stren,
4857 basetime, increment);
4859 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4860 gameInfo.white, white_stren, gameInfo.black, black_stren,
4861 basetime, increment, (int) gameInfo.variant);
4863 if(gameInfo.variant == VariantNormal)
4864 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4865 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4866 basetime, increment);
4868 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4869 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4870 basetime, increment, VariantName(gameInfo.variant));
4873 if (appData.debugMode) {
4874 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4879 /* Display the board */
4880 if (!pausing && !appData.noGUI) {
4882 if (appData.premove)
4884 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4885 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4886 ClearPremoveHighlights();
4888 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4889 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4890 DrawPosition(j, boards[currentMove]);
4892 DisplayMove(moveNum - 1);
4893 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4894 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4895 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4896 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4900 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4902 if(bookHit) { // [HGM] book: simulate book reply
4903 static char bookMove[MSG_SIZ]; // a bit generous?
4905 programStats.nodes = programStats.depth = programStats.time =
4906 programStats.score = programStats.got_only_move = 0;
4907 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4909 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4910 strcat(bookMove, bookHit);
4911 HandleMachineMove(bookMove, &first);
4920 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4921 ics_getting_history = H_REQUESTED;
4922 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4928 SendToBoth (char *msg)
4929 { // to make it easy to keep two engines in step in dual analysis
4930 SendToProgram(msg, &first);
4931 if(second.analyzing) SendToProgram(msg, &second);
4935 AnalysisPeriodicEvent (int force)
4937 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4938 && !force) || !appData.periodicUpdates)
4941 /* Send . command to Crafty to collect stats */
4944 /* Don't send another until we get a response (this makes
4945 us stop sending to old Crafty's which don't understand
4946 the "." command (sending illegal cmds resets node count & time,
4947 which looks bad)) */
4948 programStats.ok_to_send = 0;
4952 ics_update_width (int new_width)
4954 ics_printf("set width %d\n", new_width);
4958 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4962 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4963 // null move in variant where engine does not understand it (for analysis purposes)
4964 SendBoard(cps, moveNum + 1); // send position after move in stead.
4967 if (cps->useUsermove) {
4968 SendToProgram("usermove ", cps);
4972 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4973 int len = space - parseList[moveNum];
4974 memcpy(buf, parseList[moveNum], len);
4976 buf[len] = NULLCHAR;
4978 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4980 SendToProgram(buf, cps);
4982 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4983 AlphaRank(moveList[moveNum], 4);
4984 SendToProgram(moveList[moveNum], cps);
4985 AlphaRank(moveList[moveNum], 4); // and back
4987 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4988 * the engine. It would be nice to have a better way to identify castle
4990 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4991 && cps->useOOCastle) {
4992 int fromX = moveList[moveNum][0] - AAA;
4993 int fromY = moveList[moveNum][1] - ONE;
4994 int toX = moveList[moveNum][2] - AAA;
4995 int toY = moveList[moveNum][3] - ONE;
4996 if((boards[moveNum][fromY][fromX] == WhiteKing
4997 && boards[moveNum][toY][toX] == WhiteRook)
4998 || (boards[moveNum][fromY][fromX] == BlackKing
4999 && boards[moveNum][toY][toX] == BlackRook)) {
5000 if(toX > fromX) SendToProgram("O-O\n", cps);
5001 else SendToProgram("O-O-O\n", cps);
5003 else SendToProgram(moveList[moveNum], cps);
5005 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5006 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5007 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5008 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5009 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5011 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5012 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5013 SendToProgram(buf, cps);
5015 else SendToProgram(moveList[moveNum], cps);
5016 /* End of additions by Tord */
5019 /* [HGM] setting up the opening has brought engine in force mode! */
5020 /* Send 'go' if we are in a mode where machine should play. */
5021 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5022 (gameMode == TwoMachinesPlay ||
5024 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5026 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5027 SendToProgram("go\n", cps);
5028 if (appData.debugMode) {
5029 fprintf(debugFP, "(extra)\n");
5032 setboardSpoiledMachineBlack = 0;
5036 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5038 char user_move[MSG_SIZ];
5041 if(gameInfo.variant == VariantSChess && promoChar) {
5042 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5043 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5044 } else suffix[0] = NULLCHAR;
5048 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5049 (int)moveType, fromX, fromY, toX, toY);
5050 DisplayError(user_move + strlen("say "), 0);
5052 case WhiteKingSideCastle:
5053 case BlackKingSideCastle:
5054 case WhiteQueenSideCastleWild:
5055 case BlackQueenSideCastleWild:
5057 case WhiteHSideCastleFR:
5058 case BlackHSideCastleFR:
5060 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5062 case WhiteQueenSideCastle:
5063 case BlackQueenSideCastle:
5064 case WhiteKingSideCastleWild:
5065 case BlackKingSideCastleWild:
5067 case WhiteASideCastleFR:
5068 case BlackASideCastleFR:
5070 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5072 case WhiteNonPromotion:
5073 case BlackNonPromotion:
5074 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5076 case WhitePromotion:
5077 case BlackPromotion:
5078 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5079 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5080 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5081 PieceToChar(WhiteFerz));
5082 else if(gameInfo.variant == VariantGreat)
5083 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5084 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5085 PieceToChar(WhiteMan));
5087 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5088 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5094 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5095 ToUpper(PieceToChar((ChessSquare) fromX)),
5096 AAA + toX, ONE + toY);
5098 case IllegalMove: /* could be a variant we don't quite understand */
5099 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5101 case WhiteCapturesEnPassant:
5102 case BlackCapturesEnPassant:
5103 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5104 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5107 SendToICS(user_move);
5108 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5109 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5114 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5115 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5116 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5117 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5118 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5121 if(gameMode != IcsExamining) { // is this ever not the case?
5122 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5124 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5125 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5126 } else { // on FICS we must first go to general examine mode
5127 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5129 if(gameInfo.variant != VariantNormal) {
5130 // try figure out wild number, as xboard names are not always valid on ICS
5131 for(i=1; i<=36; i++) {
5132 snprintf(buf, MSG_SIZ, "wild/%d", i);
5133 if(StringToVariant(buf) == gameInfo.variant) break;
5135 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5136 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5137 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5138 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5139 SendToICS(ics_prefix);
5141 if(startedFromSetupPosition || backwardMostMove != 0) {
5142 fen = PositionToFEN(backwardMostMove, NULL);
5143 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5144 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5146 } else { // FICS: everything has to set by separate bsetup commands
5147 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5148 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5150 if(!WhiteOnMove(backwardMostMove)) {
5151 SendToICS("bsetup tomove black\n");
5153 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5154 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5156 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5157 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5159 i = boards[backwardMostMove][EP_STATUS];
5160 if(i >= 0) { // set e.p.
5161 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5167 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5168 SendToICS("bsetup done\n"); // switch to normal examining.
5170 for(i = backwardMostMove; i<last; i++) {
5172 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5173 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5174 int len = strlen(moveList[i]);
5175 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5176 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5180 SendToICS(ics_prefix);
5181 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5185 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5187 if (rf == DROP_RANK) {
5188 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5189 sprintf(move, "%c@%c%c\n",
5190 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5192 if (promoChar == 'x' || promoChar == NULLCHAR) {
5193 sprintf(move, "%c%c%c%c\n",
5194 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5196 sprintf(move, "%c%c%c%c%c\n",
5197 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5203 ProcessICSInitScript (FILE *f)
5207 while (fgets(buf, MSG_SIZ, f)) {
5208 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5215 static int lastX, lastY, selectFlag, dragging;
5220 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5221 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5222 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5223 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5224 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5225 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5228 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5229 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5230 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5231 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5232 if(!step) step = -1;
5233 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5234 appData.testLegality && (promoSweep == king ||
5235 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5237 int victim = boards[currentMove][toY][toX];
5238 boards[currentMove][toY][toX] = promoSweep;
5239 DrawPosition(FALSE, boards[currentMove]);
5240 boards[currentMove][toY][toX] = victim;
5242 ChangeDragPiece(promoSweep);
5246 PromoScroll (int x, int y)
5250 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5251 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5252 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5253 if(!step) return FALSE;
5254 lastX = x; lastY = y;
5255 if((promoSweep < BlackPawn) == flipView) step = -step;
5256 if(step > 0) selectFlag = 1;
5257 if(!selectFlag) Sweep(step);
5262 NextPiece (int step)
5264 ChessSquare piece = boards[currentMove][toY][toX];
5267 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5268 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5269 if(!step) step = -1;
5270 } while(PieceToChar(pieceSweep) == '.');
5271 boards[currentMove][toY][toX] = pieceSweep;
5272 DrawPosition(FALSE, boards[currentMove]);
5273 boards[currentMove][toY][toX] = piece;
5275 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5277 AlphaRank (char *move, int n)
5279 // char *p = move, c; int x, y;
5281 if (appData.debugMode) {
5282 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5286 move[2]>='0' && move[2]<='9' &&
5287 move[3]>='a' && move[3]<='x' ) {
5289 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5290 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5292 if(move[0]>='0' && move[0]<='9' &&
5293 move[1]>='a' && move[1]<='x' &&
5294 move[2]>='0' && move[2]<='9' &&
5295 move[3]>='a' && move[3]<='x' ) {
5296 /* input move, Shogi -> normal */
5297 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5298 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5299 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5300 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5303 move[3]>='0' && move[3]<='9' &&
5304 move[2]>='a' && move[2]<='x' ) {
5306 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5307 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5310 move[0]>='a' && move[0]<='x' &&
5311 move[3]>='0' && move[3]<='9' &&
5312 move[2]>='a' && move[2]<='x' ) {
5313 /* output move, normal -> Shogi */
5314 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5315 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5316 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5317 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5318 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5320 if (appData.debugMode) {
5321 fprintf(debugFP, " out = '%s'\n", move);
5325 char yy_textstr[8000];
5327 /* Parser for moves from gnuchess, ICS, or user typein box */
5329 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5331 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5333 switch (*moveType) {
5334 case WhitePromotion:
5335 case BlackPromotion:
5336 case WhiteNonPromotion:
5337 case BlackNonPromotion:
5339 case WhiteCapturesEnPassant:
5340 case BlackCapturesEnPassant:
5341 case WhiteKingSideCastle:
5342 case WhiteQueenSideCastle:
5343 case BlackKingSideCastle:
5344 case BlackQueenSideCastle:
5345 case WhiteKingSideCastleWild:
5346 case WhiteQueenSideCastleWild:
5347 case BlackKingSideCastleWild:
5348 case BlackQueenSideCastleWild:
5349 /* Code added by Tord: */
5350 case WhiteHSideCastleFR:
5351 case WhiteASideCastleFR:
5352 case BlackHSideCastleFR:
5353 case BlackASideCastleFR:
5354 /* End of code added by Tord */
5355 case IllegalMove: /* bug or odd chess variant */
5356 *fromX = currentMoveString[0] - AAA;
5357 *fromY = currentMoveString[1] - ONE;
5358 *toX = currentMoveString[2] - AAA;
5359 *toY = currentMoveString[3] - ONE;
5360 *promoChar = currentMoveString[4];
5361 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5362 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5363 if (appData.debugMode) {
5364 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5366 *fromX = *fromY = *toX = *toY = 0;
5369 if (appData.testLegality) {
5370 return (*moveType != IllegalMove);
5372 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5373 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5378 *fromX = *moveType == WhiteDrop ?
5379 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5380 (int) CharToPiece(ToLower(currentMoveString[0]));
5382 *toX = currentMoveString[2] - AAA;
5383 *toY = currentMoveString[3] - ONE;
5384 *promoChar = NULLCHAR;
5388 case ImpossibleMove:
5398 if (appData.debugMode) {
5399 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5402 *fromX = *fromY = *toX = *toY = 0;
5403 *promoChar = NULLCHAR;
5408 Boolean pushed = FALSE;
5409 char *lastParseAttempt;
5412 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5413 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5414 int fromX, fromY, toX, toY; char promoChar;
5419 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5420 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5421 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5424 endPV = forwardMostMove;
5426 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5427 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5428 lastParseAttempt = pv;
5429 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5430 if(!valid && nr == 0 &&
5431 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5432 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5433 // Hande case where played move is different from leading PV move
5434 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5435 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5436 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5437 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5438 endPV += 2; // if position different, keep this
5439 moveList[endPV-1][0] = fromX + AAA;
5440 moveList[endPV-1][1] = fromY + ONE;
5441 moveList[endPV-1][2] = toX + AAA;
5442 moveList[endPV-1][3] = toY + ONE;
5443 parseList[endPV-1][0] = NULLCHAR;
5444 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5447 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5448 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5449 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5450 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5451 valid++; // allow comments in PV
5455 if(endPV+1 > framePtr) break; // no space, truncate
5458 CopyBoard(boards[endPV], boards[endPV-1]);
5459 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5460 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5461 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5462 CoordsToAlgebraic(boards[endPV - 1],
5463 PosFlags(endPV - 1),
5464 fromY, fromX, toY, toX, promoChar,
5465 parseList[endPV - 1]);
5467 if(atEnd == 2) return; // used hidden, for PV conversion
5468 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5469 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5470 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5471 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5472 DrawPosition(TRUE, boards[currentMove]);
5476 MultiPV (ChessProgramState *cps)
5477 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5479 for(i=0; i<cps->nrOptions; i++)
5480 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5486 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5488 int startPV, multi, lineStart, origIndex = index;
5489 char *p, buf2[MSG_SIZ];
5490 ChessProgramState *cps = (pane ? &second : &first);
5492 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5493 lastX = x; lastY = y;
5494 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5495 lineStart = startPV = index;
5496 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5497 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5499 do{ while(buf[index] && buf[index] != '\n') index++;
5500 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5502 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5503 int n = cps->option[multi].value;
5504 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5505 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5506 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5507 cps->option[multi].value = n;
5510 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5511 ExcludeClick(origIndex - lineStart);
5514 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5515 *start = startPV; *end = index-1;
5522 static char buf[10*MSG_SIZ];
5523 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5525 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5526 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5527 for(i = forwardMostMove; i<endPV; i++){
5528 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5529 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5532 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5533 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5534 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5540 LoadPV (int x, int y)
5541 { // called on right mouse click to load PV
5542 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5543 lastX = x; lastY = y;
5544 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5551 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5552 if(endPV < 0) return;
5553 if(appData.autoCopyPV) CopyFENToClipboard();
5555 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5556 Boolean saveAnimate = appData.animate;
5558 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5559 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5560 } else storedGames--; // abandon shelved tail of original game
5563 forwardMostMove = currentMove;
5564 currentMove = oldFMM;
5565 appData.animate = FALSE;
5566 ToNrEvent(forwardMostMove);
5567 appData.animate = saveAnimate;
5569 currentMove = forwardMostMove;
5570 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5571 ClearPremoveHighlights();
5572 DrawPosition(TRUE, boards[currentMove]);
5576 MovePV (int x, int y, int h)
5577 { // step through PV based on mouse coordinates (called on mouse move)
5578 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5580 // we must somehow check if right button is still down (might be released off board!)
5581 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5582 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5583 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5585 lastX = x; lastY = y;
5587 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5588 if(endPV < 0) return;
5589 if(y < margin) step = 1; else
5590 if(y > h - margin) step = -1;
5591 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5592 currentMove += step;
5593 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5594 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5595 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5596 DrawPosition(FALSE, boards[currentMove]);
5600 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5601 // All positions will have equal probability, but the current method will not provide a unique
5602 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5608 int piecesLeft[(int)BlackPawn];
5609 int seed, nrOfShuffles;
5612 GetPositionNumber ()
5613 { // sets global variable seed
5616 seed = appData.defaultFrcPosition;
5617 if(seed < 0) { // randomize based on time for negative FRC position numbers
5618 for(i=0; i<50; i++) seed += random();
5619 seed = random() ^ random() >> 8 ^ random() << 8;
5620 if(seed<0) seed = -seed;
5625 put (Board board, int pieceType, int rank, int n, int shade)
5626 // put the piece on the (n-1)-th empty squares of the given shade
5630 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5631 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5632 board[rank][i] = (ChessSquare) pieceType;
5633 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5635 piecesLeft[pieceType]--;
5644 AddOnePiece (Board board, int pieceType, int rank, int shade)
5645 // calculate where the next piece goes, (any empty square), and put it there
5649 i = seed % squaresLeft[shade];
5650 nrOfShuffles *= squaresLeft[shade];
5651 seed /= squaresLeft[shade];
5652 put(board, pieceType, rank, i, shade);
5656 AddTwoPieces (Board board, int pieceType, int rank)
5657 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5659 int i, n=squaresLeft[ANY], j=n-1, k;
5661 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5662 i = seed % k; // pick one
5665 while(i >= j) i -= j--;
5666 j = n - 1 - j; i += j;
5667 put(board, pieceType, rank, j, ANY);
5668 put(board, pieceType, rank, i, ANY);
5672 SetUpShuffle (Board board, int number)
5676 GetPositionNumber(); nrOfShuffles = 1;
5678 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5679 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5680 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5682 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5684 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5685 p = (int) board[0][i];
5686 if(p < (int) BlackPawn) piecesLeft[p] ++;
5687 board[0][i] = EmptySquare;
5690 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5691 // shuffles restricted to allow normal castling put KRR first
5692 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5693 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5694 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5695 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5696 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5697 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5698 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5699 put(board, WhiteRook, 0, 0, ANY);
5700 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5703 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5704 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5705 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5706 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5707 while(piecesLeft[p] >= 2) {
5708 AddOnePiece(board, p, 0, LITE);
5709 AddOnePiece(board, p, 0, DARK);
5711 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5714 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5715 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5716 // but we leave King and Rooks for last, to possibly obey FRC restriction
5717 if(p == (int)WhiteRook) continue;
5718 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5719 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5722 // now everything is placed, except perhaps King (Unicorn) and Rooks
5724 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5725 // Last King gets castling rights
5726 while(piecesLeft[(int)WhiteUnicorn]) {
5727 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5728 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5731 while(piecesLeft[(int)WhiteKing]) {
5732 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5733 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5738 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5739 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5742 // Only Rooks can be left; simply place them all
5743 while(piecesLeft[(int)WhiteRook]) {
5744 i = put(board, WhiteRook, 0, 0, ANY);
5745 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5748 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5750 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5753 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5754 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5757 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5761 SetCharTable (char *table, const char * map)
5762 /* [HGM] moved here from winboard.c because of its general usefulness */
5763 /* Basically a safe strcpy that uses the last character as King */
5765 int result = FALSE; int NrPieces;
5767 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5768 && NrPieces >= 12 && !(NrPieces&1)) {
5769 int i; /* [HGM] Accept even length from 12 to 34 */
5771 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5772 for( i=0; i<NrPieces/2-1; i++ ) {
5774 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5776 table[(int) WhiteKing] = map[NrPieces/2-1];
5777 table[(int) BlackKing] = map[NrPieces-1];
5786 Prelude (Board board)
5787 { // [HGM] superchess: random selection of exo-pieces
5788 int i, j, k; ChessSquare p;
5789 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5791 GetPositionNumber(); // use FRC position number
5793 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5794 SetCharTable(pieceToChar, appData.pieceToCharTable);
5795 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5796 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5799 j = seed%4; seed /= 4;
5800 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5801 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5802 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5803 j = seed%3 + (seed%3 >= j); seed /= 3;
5804 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5805 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5806 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5807 j = seed%3; seed /= 3;
5808 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5809 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5810 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5811 j = seed%2 + (seed%2 >= j); seed /= 2;
5812 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5813 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5814 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5815 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5816 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5817 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5818 put(board, exoPieces[0], 0, 0, ANY);
5819 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5823 InitPosition (int redraw)
5825 ChessSquare (* pieces)[BOARD_FILES];
5826 int i, j, pawnRow, overrule,
5827 oldx = gameInfo.boardWidth,
5828 oldy = gameInfo.boardHeight,
5829 oldh = gameInfo.holdingsWidth;
5832 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5834 /* [AS] Initialize pv info list [HGM] and game status */
5836 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5837 pvInfoList[i].depth = 0;
5838 boards[i][EP_STATUS] = EP_NONE;
5839 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5842 initialRulePlies = 0; /* 50-move counter start */
5844 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5845 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5849 /* [HGM] logic here is completely changed. In stead of full positions */
5850 /* the initialized data only consist of the two backranks. The switch */
5851 /* selects which one we will use, which is than copied to the Board */
5852 /* initialPosition, which for the rest is initialized by Pawns and */
5853 /* empty squares. This initial position is then copied to boards[0], */
5854 /* possibly after shuffling, so that it remains available. */
5856 gameInfo.holdingsWidth = 0; /* default board sizes */
5857 gameInfo.boardWidth = 8;
5858 gameInfo.boardHeight = 8;
5859 gameInfo.holdingsSize = 0;
5860 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5861 for(i=0; i<BOARD_FILES-2; i++)
5862 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5863 initialPosition[EP_STATUS] = EP_NONE;
5864 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5865 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5866 SetCharTable(pieceNickName, appData.pieceNickNames);
5867 else SetCharTable(pieceNickName, "............");
5870 switch (gameInfo.variant) {
5871 case VariantFischeRandom:
5872 shuffleOpenings = TRUE;
5875 case VariantShatranj:
5876 pieces = ShatranjArray;
5877 nrCastlingRights = 0;
5878 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5881 pieces = makrukArray;
5882 nrCastlingRights = 0;
5883 startedFromSetupPosition = TRUE;
5884 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5886 case VariantTwoKings:
5887 pieces = twoKingsArray;
5890 pieces = GrandArray;
5891 nrCastlingRights = 0;
5892 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5893 gameInfo.boardWidth = 10;
5894 gameInfo.boardHeight = 10;
5895 gameInfo.holdingsSize = 7;
5897 case VariantCapaRandom:
5898 shuffleOpenings = TRUE;
5899 case VariantCapablanca:
5900 pieces = CapablancaArray;
5901 gameInfo.boardWidth = 10;
5902 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5905 pieces = GothicArray;
5906 gameInfo.boardWidth = 10;
5907 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5910 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5911 gameInfo.holdingsSize = 7;
5912 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5915 pieces = JanusArray;
5916 gameInfo.boardWidth = 10;
5917 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5918 nrCastlingRights = 6;
5919 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5920 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5921 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5922 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5923 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5924 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5927 pieces = FalconArray;
5928 gameInfo.boardWidth = 10;
5929 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5931 case VariantXiangqi:
5932 pieces = XiangqiArray;
5933 gameInfo.boardWidth = 9;
5934 gameInfo.boardHeight = 10;
5935 nrCastlingRights = 0;
5936 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5939 pieces = ShogiArray;
5940 gameInfo.boardWidth = 9;
5941 gameInfo.boardHeight = 9;
5942 gameInfo.holdingsSize = 7;
5943 nrCastlingRights = 0;
5944 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5946 case VariantCourier:
5947 pieces = CourierArray;
5948 gameInfo.boardWidth = 12;
5949 nrCastlingRights = 0;
5950 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5952 case VariantKnightmate:
5953 pieces = KnightmateArray;
5954 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5956 case VariantSpartan:
5957 pieces = SpartanArray;
5958 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5961 pieces = fairyArray;
5962 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5965 pieces = GreatArray;
5966 gameInfo.boardWidth = 10;
5967 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5968 gameInfo.holdingsSize = 8;
5972 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5973 gameInfo.holdingsSize = 8;
5974 startedFromSetupPosition = TRUE;
5976 case VariantCrazyhouse:
5977 case VariantBughouse:
5979 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5980 gameInfo.holdingsSize = 5;
5982 case VariantWildCastle:
5984 /* !!?shuffle with kings guaranteed to be on d or e file */
5985 shuffleOpenings = 1;
5987 case VariantNoCastle:
5989 nrCastlingRights = 0;
5990 /* !!?unconstrained back-rank shuffle */
5991 shuffleOpenings = 1;
5996 if(appData.NrFiles >= 0) {
5997 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5998 gameInfo.boardWidth = appData.NrFiles;
6000 if(appData.NrRanks >= 0) {
6001 gameInfo.boardHeight = appData.NrRanks;
6003 if(appData.holdingsSize >= 0) {
6004 i = appData.holdingsSize;
6005 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6006 gameInfo.holdingsSize = i;
6008 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6009 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6010 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6012 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6013 if(pawnRow < 1) pawnRow = 1;
6014 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6016 /* User pieceToChar list overrules defaults */
6017 if(appData.pieceToCharTable != NULL)
6018 SetCharTable(pieceToChar, appData.pieceToCharTable);
6020 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6022 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6023 s = (ChessSquare) 0; /* account holding counts in guard band */
6024 for( i=0; i<BOARD_HEIGHT; i++ )
6025 initialPosition[i][j] = s;
6027 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6028 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6029 initialPosition[pawnRow][j] = WhitePawn;
6030 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6031 if(gameInfo.variant == VariantXiangqi) {
6033 initialPosition[pawnRow][j] =
6034 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6035 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6036 initialPosition[2][j] = WhiteCannon;
6037 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6041 if(gameInfo.variant == VariantGrand) {
6042 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6043 initialPosition[0][j] = WhiteRook;
6044 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6047 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6049 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6052 initialPosition[1][j] = WhiteBishop;
6053 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6055 initialPosition[1][j] = WhiteRook;
6056 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6059 if( nrCastlingRights == -1) {
6060 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6061 /* This sets default castling rights from none to normal corners */
6062 /* Variants with other castling rights must set them themselves above */
6063 nrCastlingRights = 6;
6065 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6066 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6067 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6068 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6069 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6070 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6073 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6074 if(gameInfo.variant == VariantGreat) { // promotion commoners
6075 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6076 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6077 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6078 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6080 if( gameInfo.variant == VariantSChess ) {
6081 initialPosition[1][0] = BlackMarshall;
6082 initialPosition[2][0] = BlackAngel;
6083 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6084 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6085 initialPosition[1][1] = initialPosition[2][1] =
6086 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6088 if (appData.debugMode) {
6089 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6091 if(shuffleOpenings) {
6092 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6093 startedFromSetupPosition = TRUE;
6095 if(startedFromPositionFile) {
6096 /* [HGM] loadPos: use PositionFile for every new game */
6097 CopyBoard(initialPosition, filePosition);
6098 for(i=0; i<nrCastlingRights; i++)
6099 initialRights[i] = filePosition[CASTLING][i];
6100 startedFromSetupPosition = TRUE;
6103 CopyBoard(boards[0], initialPosition);
6105 if(oldx != gameInfo.boardWidth ||
6106 oldy != gameInfo.boardHeight ||
6107 oldv != gameInfo.variant ||
6108 oldh != gameInfo.holdingsWidth
6110 InitDrawingSizes(-2 ,0);
6112 oldv = gameInfo.variant;
6114 DrawPosition(TRUE, boards[currentMove]);
6118 SendBoard (ChessProgramState *cps, int moveNum)
6120 char message[MSG_SIZ];
6122 if (cps->useSetboard) {
6123 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6124 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6125 SendToProgram(message, cps);
6130 int i, j, left=0, right=BOARD_WIDTH;
6131 /* Kludge to set black to move, avoiding the troublesome and now
6132 * deprecated "black" command.
6134 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6135 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6137 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6139 SendToProgram("edit\n", cps);
6140 SendToProgram("#\n", cps);
6141 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6142 bp = &boards[moveNum][i][left];
6143 for (j = left; j < right; j++, bp++) {
6144 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6145 if ((int) *bp < (int) BlackPawn) {
6146 if(j == BOARD_RGHT+1)
6147 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6148 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6149 if(message[0] == '+' || message[0] == '~') {
6150 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6151 PieceToChar((ChessSquare)(DEMOTED *bp)),
6154 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6155 message[1] = BOARD_RGHT - 1 - j + '1';
6156 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6158 SendToProgram(message, cps);
6163 SendToProgram("c\n", cps);
6164 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6165 bp = &boards[moveNum][i][left];
6166 for (j = left; j < right; j++, bp++) {
6167 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6168 if (((int) *bp != (int) EmptySquare)
6169 && ((int) *bp >= (int) BlackPawn)) {
6170 if(j == BOARD_LEFT-2)
6171 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6172 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6174 if(message[0] == '+' || message[0] == '~') {
6175 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6176 PieceToChar((ChessSquare)(DEMOTED *bp)),
6179 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6180 message[1] = BOARD_RGHT - 1 - j + '1';
6181 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6183 SendToProgram(message, cps);
6188 SendToProgram(".\n", cps);
6190 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6193 char exclusionHeader[MSG_SIZ];
6194 int exCnt, excludePtr;
6195 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6196 static Exclusion excluTab[200];
6197 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6203 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6204 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6210 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6211 excludePtr = 24; exCnt = 0;
6216 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6217 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6218 char buf[2*MOVE_LEN], *p;
6219 Exclusion *e = excluTab;
6221 for(i=0; i<exCnt; i++)
6222 if(e[i].ff == fromX && e[i].fr == fromY &&
6223 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6224 if(i == exCnt) { // was not in exclude list; add it
6225 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6226 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6227 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6230 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6231 excludePtr++; e[i].mark = excludePtr++;
6232 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6235 exclusionHeader[e[i].mark] = state;
6239 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6240 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6244 if((signed char)promoChar == -1) { // kludge to indicate best move
6245 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6246 return 1; // if unparsable, abort
6248 // update exclusion map (resolving toggle by consulting existing state)
6249 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6251 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6252 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6253 excludeMap[k] |= 1<<j;
6254 else excludeMap[k] &= ~(1<<j);
6256 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6258 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6259 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6261 return (state == '+');
6265 ExcludeClick (int index)
6268 Exclusion *e = excluTab;
6269 if(index < 25) { // none, best or tail clicked
6270 if(index < 13) { // none: include all
6271 WriteMap(0); // clear map
6272 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6273 SendToBoth("include all\n"); // and inform engine
6274 } else if(index > 18) { // tail
6275 if(exclusionHeader[19] == '-') { // tail was excluded
6276 SendToBoth("include all\n");
6277 WriteMap(0); // clear map completely
6278 // now re-exclude selected moves
6279 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6280 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6281 } else { // tail was included or in mixed state
6282 SendToBoth("exclude all\n");
6283 WriteMap(0xFF); // fill map completely
6284 // now re-include selected moves
6285 j = 0; // count them
6286 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6287 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6288 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6291 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6294 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6295 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6296 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6303 DefaultPromoChoice (int white)
6306 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6307 result = WhiteFerz; // no choice
6308 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6309 result= WhiteKing; // in Suicide Q is the last thing we want
6310 else if(gameInfo.variant == VariantSpartan)
6311 result = white ? WhiteQueen : WhiteAngel;
6312 else result = WhiteQueen;
6313 if(!white) result = WHITE_TO_BLACK result;
6317 static int autoQueen; // [HGM] oneclick
6320 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6322 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6323 /* [HGM] add Shogi promotions */
6324 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6329 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6330 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6332 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6333 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6336 piece = boards[currentMove][fromY][fromX];
6337 if(gameInfo.variant == VariantShogi) {
6338 promotionZoneSize = BOARD_HEIGHT/3;
6339 highestPromotingPiece = (int)WhiteFerz;
6340 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6341 promotionZoneSize = 3;
6344 // Treat Lance as Pawn when it is not representing Amazon
6345 if(gameInfo.variant != VariantSuper) {
6346 if(piece == WhiteLance) piece = WhitePawn; else
6347 if(piece == BlackLance) piece = BlackPawn;
6350 // next weed out all moves that do not touch the promotion zone at all
6351 if((int)piece >= BlackPawn) {
6352 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6354 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6356 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6357 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6360 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6362 // weed out mandatory Shogi promotions
6363 if(gameInfo.variant == VariantShogi) {
6364 if(piece >= BlackPawn) {
6365 if(toY == 0 && piece == BlackPawn ||
6366 toY == 0 && piece == BlackQueen ||
6367 toY <= 1 && piece == BlackKnight) {
6372 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6373 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6374 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6381 // weed out obviously illegal Pawn moves
6382 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6383 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6384 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6385 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6386 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6387 // note we are not allowed to test for valid (non-)capture, due to premove
6390 // we either have a choice what to promote to, or (in Shogi) whether to promote
6391 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6392 *promoChoice = PieceToChar(BlackFerz); // no choice
6395 // no sense asking what we must promote to if it is going to explode...
6396 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6397 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6400 // give caller the default choice even if we will not make it
6401 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6402 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6403 if( sweepSelect && gameInfo.variant != VariantGreat
6404 && gameInfo.variant != VariantGrand
6405 && gameInfo.variant != VariantSuper) return FALSE;
6406 if(autoQueen) return FALSE; // predetermined
6408 // suppress promotion popup on illegal moves that are not premoves
6409 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6410 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6411 if(appData.testLegality && !premove) {
6412 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6413 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6414 if(moveType != WhitePromotion && moveType != BlackPromotion)
6422 InPalace (int row, int column)
6423 { /* [HGM] for Xiangqi */
6424 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6425 column < (BOARD_WIDTH + 4)/2 &&
6426 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6431 PieceForSquare (int x, int y)
6433 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6436 return boards[currentMove][y][x];
6440 OKToStartUserMove (int x, int y)
6442 ChessSquare from_piece;
6445 if (matchMode) return FALSE;
6446 if (gameMode == EditPosition) return TRUE;
6448 if (x >= 0 && y >= 0)
6449 from_piece = boards[currentMove][y][x];
6451 from_piece = EmptySquare;
6453 if (from_piece == EmptySquare) return FALSE;
6455 white_piece = (int)from_piece >= (int)WhitePawn &&
6456 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6460 case TwoMachinesPlay:
6468 case MachinePlaysWhite:
6469 case IcsPlayingBlack:
6470 if (appData.zippyPlay) return FALSE;
6472 DisplayMoveError(_("You are playing Black"));
6477 case MachinePlaysBlack:
6478 case IcsPlayingWhite:
6479 if (appData.zippyPlay) return FALSE;
6481 DisplayMoveError(_("You are playing White"));
6486 case PlayFromGameFile:
6487 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6489 if (!white_piece && WhiteOnMove(currentMove)) {
6490 DisplayMoveError(_("It is White's turn"));
6493 if (white_piece && !WhiteOnMove(currentMove)) {
6494 DisplayMoveError(_("It is Black's turn"));
6497 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6498 /* Editing correspondence game history */
6499 /* Could disallow this or prompt for confirmation */
6504 case BeginningOfGame:
6505 if (appData.icsActive) return FALSE;
6506 if (!appData.noChessProgram) {
6508 DisplayMoveError(_("You are playing White"));
6515 if (!white_piece && WhiteOnMove(currentMove)) {
6516 DisplayMoveError(_("It is White's turn"));
6519 if (white_piece && !WhiteOnMove(currentMove)) {
6520 DisplayMoveError(_("It is Black's turn"));
6529 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6530 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6531 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6532 && gameMode != AnalyzeFile && gameMode != Training) {
6533 DisplayMoveError(_("Displayed position is not current"));
6540 OnlyMove (int *x, int *y, Boolean captures)
6542 DisambiguateClosure cl;
6543 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6545 case MachinePlaysBlack:
6546 case IcsPlayingWhite:
6547 case BeginningOfGame:
6548 if(!WhiteOnMove(currentMove)) return FALSE;
6550 case MachinePlaysWhite:
6551 case IcsPlayingBlack:
6552 if(WhiteOnMove(currentMove)) return FALSE;
6559 cl.pieceIn = EmptySquare;
6564 cl.promoCharIn = NULLCHAR;
6565 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6566 if( cl.kind == NormalMove ||
6567 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6568 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6569 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6576 if(cl.kind != ImpossibleMove) return FALSE;
6577 cl.pieceIn = EmptySquare;
6582 cl.promoCharIn = NULLCHAR;
6583 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6584 if( cl.kind == NormalMove ||
6585 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6586 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6587 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6592 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6598 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6599 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6600 int lastLoadGameUseList = FALSE;
6601 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6602 ChessMove lastLoadGameStart = EndOfFile;
6606 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6610 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6612 /* Check if the user is playing in turn. This is complicated because we
6613 let the user "pick up" a piece before it is his turn. So the piece he
6614 tried to pick up may have been captured by the time he puts it down!
6615 Therefore we use the color the user is supposed to be playing in this
6616 test, not the color of the piece that is currently on the starting
6617 square---except in EditGame mode, where the user is playing both
6618 sides; fortunately there the capture race can't happen. (It can
6619 now happen in IcsExamining mode, but that's just too bad. The user
6620 will get a somewhat confusing message in that case.)
6625 case TwoMachinesPlay:
6629 /* We switched into a game mode where moves are not accepted,
6630 perhaps while the mouse button was down. */
6633 case MachinePlaysWhite:
6634 /* User is moving for Black */
6635 if (WhiteOnMove(currentMove)) {
6636 DisplayMoveError(_("It is White's turn"));
6641 case MachinePlaysBlack:
6642 /* User is moving for White */
6643 if (!WhiteOnMove(currentMove)) {
6644 DisplayMoveError(_("It is Black's turn"));
6649 case PlayFromGameFile:
6650 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6653 case BeginningOfGame:
6656 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6657 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6658 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6659 /* User is moving for Black */
6660 if (WhiteOnMove(currentMove)) {
6661 DisplayMoveError(_("It is White's turn"));
6665 /* User is moving for White */
6666 if (!WhiteOnMove(currentMove)) {
6667 DisplayMoveError(_("It is Black's turn"));
6673 case IcsPlayingBlack:
6674 /* User is moving for Black */
6675 if (WhiteOnMove(currentMove)) {
6676 if (!appData.premove) {
6677 DisplayMoveError(_("It is White's turn"));
6678 } else if (toX >= 0 && toY >= 0) {
6681 premoveFromX = fromX;
6682 premoveFromY = fromY;
6683 premovePromoChar = promoChar;
6685 if (appData.debugMode)
6686 fprintf(debugFP, "Got premove: fromX %d,"
6687 "fromY %d, toX %d, toY %d\n",
6688 fromX, fromY, toX, toY);
6694 case IcsPlayingWhite:
6695 /* User is moving for White */
6696 if (!WhiteOnMove(currentMove)) {
6697 if (!appData.premove) {
6698 DisplayMoveError(_("It is Black's turn"));
6699 } else if (toX >= 0 && toY >= 0) {
6702 premoveFromX = fromX;
6703 premoveFromY = fromY;
6704 premovePromoChar = promoChar;
6706 if (appData.debugMode)
6707 fprintf(debugFP, "Got premove: fromX %d,"
6708 "fromY %d, toX %d, toY %d\n",
6709 fromX, fromY, toX, toY);
6719 /* EditPosition, empty square, or different color piece;
6720 click-click move is possible */
6721 if (toX == -2 || toY == -2) {
6722 boards[0][fromY][fromX] = EmptySquare;
6723 DrawPosition(FALSE, boards[currentMove]);
6725 } else if (toX >= 0 && toY >= 0) {
6726 boards[0][toY][toX] = boards[0][fromY][fromX];
6727 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6728 if(boards[0][fromY][0] != EmptySquare) {
6729 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6730 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6733 if(fromX == BOARD_RGHT+1) {
6734 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6735 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6736 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6739 boards[0][fromY][fromX] = gatingPiece;
6740 DrawPosition(FALSE, boards[currentMove]);
6746 if(toX < 0 || toY < 0) return;
6747 pup = boards[currentMove][toY][toX];
6749 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6750 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6751 if( pup != EmptySquare ) return;
6752 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6753 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6754 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6755 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6756 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6757 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6758 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6762 /* [HGM] always test for legality, to get promotion info */
6763 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6764 fromY, fromX, toY, toX, promoChar);
6766 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6768 /* [HGM] but possibly ignore an IllegalMove result */
6769 if (appData.testLegality) {
6770 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6771 DisplayMoveError(_("Illegal move"));
6776 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6777 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6778 ClearPremoveHighlights(); // was included
6779 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6783 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6786 /* Common tail of UserMoveEvent and DropMenuEvent */
6788 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6792 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6793 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6794 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6795 if(WhiteOnMove(currentMove)) {
6796 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6798 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6802 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6803 move type in caller when we know the move is a legal promotion */
6804 if(moveType == NormalMove && promoChar)
6805 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6807 /* [HGM] <popupFix> The following if has been moved here from
6808 UserMoveEvent(). Because it seemed to belong here (why not allow
6809 piece drops in training games?), and because it can only be
6810 performed after it is known to what we promote. */
6811 if (gameMode == Training) {
6812 /* compare the move played on the board to the next move in the
6813 * game. If they match, display the move and the opponent's response.
6814 * If they don't match, display an error message.
6818 CopyBoard(testBoard, boards[currentMove]);
6819 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6821 if (CompareBoards(testBoard, boards[currentMove+1])) {
6822 ForwardInner(currentMove+1);
6824 /* Autoplay the opponent's response.
6825 * if appData.animate was TRUE when Training mode was entered,
6826 * the response will be animated.
6828 saveAnimate = appData.animate;
6829 appData.animate = animateTraining;
6830 ForwardInner(currentMove+1);
6831 appData.animate = saveAnimate;
6833 /* check for the end of the game */
6834 if (currentMove >= forwardMostMove) {
6835 gameMode = PlayFromGameFile;
6837 SetTrainingModeOff();
6838 DisplayInformation(_("End of game"));
6841 DisplayError(_("Incorrect move"), 0);
6846 /* Ok, now we know that the move is good, so we can kill
6847 the previous line in Analysis Mode */
6848 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6849 && currentMove < forwardMostMove) {
6850 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6851 else forwardMostMove = currentMove;
6856 /* If we need the chess program but it's dead, restart it */
6857 ResurrectChessProgram();
6859 /* A user move restarts a paused game*/
6863 thinkOutput[0] = NULLCHAR;
6865 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6867 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6868 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6872 if (gameMode == BeginningOfGame) {
6873 if (appData.noChessProgram) {
6874 gameMode = EditGame;
6878 gameMode = MachinePlaysBlack;
6881 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6883 if (first.sendName) {
6884 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6885 SendToProgram(buf, &first);
6892 /* Relay move to ICS or chess engine */
6893 if (appData.icsActive) {
6894 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6895 gameMode == IcsExamining) {
6896 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6897 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6899 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6901 // also send plain move, in case ICS does not understand atomic claims
6902 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6906 if (first.sendTime && (gameMode == BeginningOfGame ||
6907 gameMode == MachinePlaysWhite ||
6908 gameMode == MachinePlaysBlack)) {
6909 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6911 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6912 // [HGM] book: if program might be playing, let it use book
6913 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6914 first.maybeThinking = TRUE;
6915 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6916 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6917 SendBoard(&first, currentMove+1);
6918 if(second.analyzing) {
6919 if(!second.useSetboard) SendToProgram("undo\n", &second);
6920 SendBoard(&second, currentMove+1);
6923 SendMoveToProgram(forwardMostMove-1, &first);
6924 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6926 if (currentMove == cmailOldMove + 1) {
6927 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6931 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6935 if(appData.testLegality)
6936 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6942 if (WhiteOnMove(currentMove)) {
6943 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6945 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6949 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6954 case MachinePlaysBlack:
6955 case MachinePlaysWhite:
6956 /* disable certain menu options while machine is thinking */
6957 SetMachineThinkingEnables();
6964 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6965 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6967 if(bookHit) { // [HGM] book: simulate book reply
6968 static char bookMove[MSG_SIZ]; // a bit generous?
6970 programStats.nodes = programStats.depth = programStats.time =
6971 programStats.score = programStats.got_only_move = 0;
6972 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6974 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6975 strcat(bookMove, bookHit);
6976 HandleMachineMove(bookMove, &first);
6982 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6984 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6985 Markers *m = (Markers *) closure;
6986 if(rf == fromY && ff == fromX)
6987 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6988 || kind == WhiteCapturesEnPassant
6989 || kind == BlackCapturesEnPassant);
6990 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6994 MarkTargetSquares (int clear)
6997 if(clear) // no reason to ever suppress clearing
6998 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6999 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7000 !appData.testLegality || gameMode == EditPosition) return;
7003 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7004 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7005 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7007 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7010 DrawPosition(FALSE, NULL);
7014 Explode (Board board, int fromX, int fromY, int toX, int toY)
7016 if(gameInfo.variant == VariantAtomic &&
7017 (board[toY][toX] != EmptySquare || // capture?
7018 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7019 board[fromY][fromX] == BlackPawn )
7021 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7027 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7030 CanPromote (ChessSquare piece, int y)
7032 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7033 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7034 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7035 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7036 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7037 gameInfo.variant == VariantMakruk) return FALSE;
7038 return (piece == BlackPawn && y == 1 ||
7039 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7040 piece == BlackLance && y == 1 ||
7041 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7045 LeftClick (ClickType clickType, int xPix, int yPix)
7048 Boolean saveAnimate;
7049 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7050 char promoChoice = NULLCHAR;
7052 static TimeMark lastClickTime, prevClickTime;
7054 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7056 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7058 if (clickType == Press) ErrorPopDown();
7060 x = EventToSquare(xPix, BOARD_WIDTH);
7061 y = EventToSquare(yPix, BOARD_HEIGHT);
7062 if (!flipView && y >= 0) {
7063 y = BOARD_HEIGHT - 1 - y;
7065 if (flipView && x >= 0) {
7066 x = BOARD_WIDTH - 1 - x;
7069 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7070 defaultPromoChoice = promoSweep;
7071 promoSweep = EmptySquare; // terminate sweep
7072 promoDefaultAltered = TRUE;
7073 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7076 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7077 if(clickType == Release) return; // ignore upclick of click-click destination
7078 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7079 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7080 if(gameInfo.holdingsWidth &&
7081 (WhiteOnMove(currentMove)
7082 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7083 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7084 // click in right holdings, for determining promotion piece
7085 ChessSquare p = boards[currentMove][y][x];
7086 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7087 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7088 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7089 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7094 DrawPosition(FALSE, boards[currentMove]);
7098 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7099 if(clickType == Press
7100 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7101 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7102 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7105 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7106 // could be static click on premove from-square: abort premove
7108 ClearPremoveHighlights();
7111 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7112 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7114 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7115 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7116 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7117 defaultPromoChoice = DefaultPromoChoice(side);
7120 autoQueen = appData.alwaysPromoteToQueen;
7124 gatingPiece = EmptySquare;
7125 if (clickType != Press) {
7126 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7127 DragPieceEnd(xPix, yPix); dragging = 0;
7128 DrawPosition(FALSE, NULL);
7132 doubleClick = FALSE;
7133 if(gameMode == AnalyzeMode && pausing && first.excludeMoves) { // use pause state to exclude moves
7134 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7136 fromX = x; fromY = y; toX = toY = -1;
7137 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7138 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7139 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7141 if (OKToStartUserMove(fromX, fromY)) {
7143 MarkTargetSquares(0);
7144 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7145 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7146 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7147 promoSweep = defaultPromoChoice;
7148 selectFlag = 0; lastX = xPix; lastY = yPix;
7149 Sweep(0); // Pawn that is going to promote: preview promotion piece
7150 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7152 if (appData.highlightDragging) {
7153 SetHighlights(fromX, fromY, -1, -1);
7157 } else fromX = fromY = -1;
7163 if (clickType == Press && gameMode != EditPosition) {
7168 // ignore off-board to clicks
7169 if(y < 0 || x < 0) return;
7171 /* Check if clicking again on the same color piece */
7172 fromP = boards[currentMove][fromY][fromX];
7173 toP = boards[currentMove][y][x];
7174 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7175 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7176 WhitePawn <= toP && toP <= WhiteKing &&
7177 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7178 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7179 (BlackPawn <= fromP && fromP <= BlackKing &&
7180 BlackPawn <= toP && toP <= BlackKing &&
7181 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7182 !(fromP == BlackKing && toP == BlackRook && frc))) {
7183 /* Clicked again on same color piece -- changed his mind */
7184 second = (x == fromX && y == fromY);
7185 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7186 second = FALSE; // first double-click rather than scond click
7187 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7189 promoDefaultAltered = FALSE;
7190 MarkTargetSquares(1);
7191 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7192 if (appData.highlightDragging) {
7193 SetHighlights(x, y, -1, -1);
7197 if (OKToStartUserMove(x, y)) {
7198 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7199 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7200 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7201 gatingPiece = boards[currentMove][fromY][fromX];
7202 else gatingPiece = doubleClick ? fromP : EmptySquare;
7204 fromY = y; dragging = 1;
7205 MarkTargetSquares(0);
7206 DragPieceBegin(xPix, yPix, FALSE);
7207 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7208 promoSweep = defaultPromoChoice;
7209 selectFlag = 0; lastX = xPix; lastY = yPix;
7210 Sweep(0); // Pawn that is going to promote: preview promotion piece
7214 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7217 // ignore clicks on holdings
7218 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7221 if (clickType == Release && x == fromX && y == fromY) {
7222 DragPieceEnd(xPix, yPix); dragging = 0;
7224 // a deferred attempt to click-click move an empty square on top of a piece
7225 boards[currentMove][y][x] = EmptySquare;
7227 DrawPosition(FALSE, boards[currentMove]);
7228 fromX = fromY = -1; clearFlag = 0;
7231 if (appData.animateDragging) {
7232 /* Undo animation damage if any */
7233 DrawPosition(FALSE, NULL);
7235 if (second || sweepSelecting) {
7236 /* Second up/down in same square; just abort move */
7237 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7238 second = sweepSelecting = 0;
7240 gatingPiece = EmptySquare;
7243 ClearPremoveHighlights();
7245 /* First upclick in same square; start click-click mode */
7246 SetHighlights(x, y, -1, -1);
7253 /* we now have a different from- and (possibly off-board) to-square */
7254 /* Completed move */
7255 if(!sweepSelecting) {
7258 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7260 saveAnimate = appData.animate;
7261 if (clickType == Press) {
7262 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7263 // must be Edit Position mode with empty-square selected
7264 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7265 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7268 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7269 if(appData.sweepSelect) {
7270 ChessSquare piece = boards[currentMove][fromY][fromX];
7271 promoSweep = defaultPromoChoice;
7272 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7273 selectFlag = 0; lastX = xPix; lastY = yPix;
7274 Sweep(0); // Pawn that is going to promote: preview promotion piece
7276 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7277 MarkTargetSquares(1);
7279 return; // promo popup appears on up-click
7281 /* Finish clickclick move */
7282 if (appData.animate || appData.highlightLastMove) {
7283 SetHighlights(fromX, fromY, toX, toY);
7289 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7290 /* Finish drag move */
7291 if (appData.highlightLastMove) {
7292 SetHighlights(fromX, fromY, toX, toY);
7297 DragPieceEnd(xPix, yPix); dragging = 0;
7298 /* Don't animate move and drag both */
7299 appData.animate = FALSE;
7302 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7303 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7304 ChessSquare piece = boards[currentMove][fromY][fromX];
7305 if(gameMode == EditPosition && piece != EmptySquare &&
7306 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7309 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7310 n = PieceToNumber(piece - (int)BlackPawn);
7311 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7312 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7313 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7315 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7316 n = PieceToNumber(piece);
7317 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7318 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7319 boards[currentMove][n][BOARD_WIDTH-2]++;
7321 boards[currentMove][fromY][fromX] = EmptySquare;
7325 MarkTargetSquares(1);
7326 DrawPosition(TRUE, boards[currentMove]);
7330 // off-board moves should not be highlighted
7331 if(x < 0 || y < 0) ClearHighlights();
7333 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7335 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7336 SetHighlights(fromX, fromY, toX, toY);
7337 MarkTargetSquares(1);
7338 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7339 // [HGM] super: promotion to captured piece selected from holdings
7340 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7341 promotionChoice = TRUE;
7342 // kludge follows to temporarily execute move on display, without promoting yet
7343 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7344 boards[currentMove][toY][toX] = p;
7345 DrawPosition(FALSE, boards[currentMove]);
7346 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7347 boards[currentMove][toY][toX] = q;
7348 DisplayMessage("Click in holdings to choose piece", "");
7353 int oldMove = currentMove;
7354 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7355 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7356 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7357 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7358 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7359 DrawPosition(TRUE, boards[currentMove]);
7360 MarkTargetSquares(1);
7363 appData.animate = saveAnimate;
7364 if (appData.animate || appData.animateDragging) {
7365 /* Undo animation damage if needed */
7366 DrawPosition(FALSE, NULL);
7371 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7372 { // front-end-free part taken out of PieceMenuPopup
7373 int whichMenu; int xSqr, ySqr;
7375 if(seekGraphUp) { // [HGM] seekgraph
7376 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7377 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7381 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7382 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7383 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7384 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7385 if(action == Press) {
7386 originalFlip = flipView;
7387 flipView = !flipView; // temporarily flip board to see game from partners perspective
7388 DrawPosition(TRUE, partnerBoard);
7389 DisplayMessage(partnerStatus, "");
7391 } else if(action == Release) {
7392 flipView = originalFlip;
7393 DrawPosition(TRUE, boards[currentMove]);
7399 xSqr = EventToSquare(x, BOARD_WIDTH);
7400 ySqr = EventToSquare(y, BOARD_HEIGHT);
7401 if (action == Release) {
7402 if(pieceSweep != EmptySquare) {
7403 EditPositionMenuEvent(pieceSweep, toX, toY);
7404 pieceSweep = EmptySquare;
7405 } else UnLoadPV(); // [HGM] pv
7407 if (action != Press) return -2; // return code to be ignored
7410 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7412 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7413 if (xSqr < 0 || ySqr < 0) return -1;
7414 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7415 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7416 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7417 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7421 if(!appData.icsEngineAnalyze) return -1;
7422 case IcsPlayingWhite:
7423 case IcsPlayingBlack:
7424 if(!appData.zippyPlay) goto noZip;
7427 case MachinePlaysWhite:
7428 case MachinePlaysBlack:
7429 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7430 if (!appData.dropMenu) {
7432 return 2; // flag front-end to grab mouse events
7434 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7435 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7438 if (xSqr < 0 || ySqr < 0) return -1;
7439 if (!appData.dropMenu || appData.testLegality &&
7440 gameInfo.variant != VariantBughouse &&
7441 gameInfo.variant != VariantCrazyhouse) return -1;
7442 whichMenu = 1; // drop menu
7448 if (((*fromX = xSqr) < 0) ||
7449 ((*fromY = ySqr) < 0)) {
7450 *fromX = *fromY = -1;
7454 *fromX = BOARD_WIDTH - 1 - *fromX;
7456 *fromY = BOARD_HEIGHT - 1 - *fromY;
7462 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7464 // char * hint = lastHint;
7465 FrontEndProgramStats stats;
7467 stats.which = cps == &first ? 0 : 1;
7468 stats.depth = cpstats->depth;
7469 stats.nodes = cpstats->nodes;
7470 stats.score = cpstats->score;
7471 stats.time = cpstats->time;
7472 stats.pv = cpstats->movelist;
7473 stats.hint = lastHint;
7474 stats.an_move_index = 0;
7475 stats.an_move_count = 0;
7477 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7478 stats.hint = cpstats->move_name;
7479 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7480 stats.an_move_count = cpstats->nr_moves;
7483 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7485 SetProgramStats( &stats );
7489 ClearEngineOutputPane (int which)
7491 static FrontEndProgramStats dummyStats;
7492 dummyStats.which = which;
7493 dummyStats.pv = "#";
7494 SetProgramStats( &dummyStats );
7497 #define MAXPLAYERS 500
7500 TourneyStandings (int display)
7502 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7503 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7504 char result, *p, *names[MAXPLAYERS];
7506 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7507 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7508 names[0] = p = strdup(appData.participants);
7509 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7511 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7513 while(result = appData.results[nr]) {
7514 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7515 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7516 wScore = bScore = 0;
7518 case '+': wScore = 2; break;
7519 case '-': bScore = 2; break;
7520 case '=': wScore = bScore = 1; break;
7522 case '*': return strdup("busy"); // tourney not finished
7530 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7531 for(w=0; w<nPlayers; w++) {
7533 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7534 ranking[w] = b; points[w] = bScore; score[b] = -2;
7536 p = malloc(nPlayers*34+1);
7537 for(w=0; w<nPlayers && w<display; w++)
7538 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7544 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7545 { // count all piece types
7547 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7548 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7549 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7552 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7553 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7554 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7555 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7556 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7557 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7562 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7564 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7565 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7567 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7568 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7569 if(myPawns == 2 && nMine == 3) // KPP
7570 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7571 if(myPawns == 1 && nMine == 2) // KP
7572 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7573 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7574 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7575 if(myPawns) return FALSE;
7576 if(pCnt[WhiteRook+side])
7577 return pCnt[BlackRook-side] ||
7578 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7579 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7580 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7581 if(pCnt[WhiteCannon+side]) {
7582 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7583 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7585 if(pCnt[WhiteKnight+side])
7586 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7591 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7593 VariantClass v = gameInfo.variant;
7595 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7596 if(v == VariantShatranj) return TRUE; // always winnable through baring
7597 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7598 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7600 if(v == VariantXiangqi) {
7601 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7603 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7604 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7605 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7606 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7607 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7608 if(stale) // we have at least one last-rank P plus perhaps C
7609 return majors // KPKX
7610 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7612 return pCnt[WhiteFerz+side] // KCAK
7613 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7614 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7615 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7617 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7618 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7620 if(nMine == 1) return FALSE; // bare King
7621 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7622 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7623 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7624 // by now we have King + 1 piece (or multiple Bishops on the same color)
7625 if(pCnt[WhiteKnight+side])
7626 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7627 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7628 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7630 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7631 if(pCnt[WhiteAlfil+side])
7632 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7633 if(pCnt[WhiteWazir+side])
7634 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7641 CompareWithRights (Board b1, Board b2)
7644 if(!CompareBoards(b1, b2)) return FALSE;
7645 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7646 /* compare castling rights */
7647 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7648 rights++; /* King lost rights, while rook still had them */
7649 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7650 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7651 rights++; /* but at least one rook lost them */
7653 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7655 if( b1[CASTLING][5] != NoRights ) {
7656 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7663 Adjudicate (ChessProgramState *cps)
7664 { // [HGM] some adjudications useful with buggy engines
7665 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7666 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7667 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7668 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7669 int k, drop, count = 0; static int bare = 1;
7670 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7671 Boolean canAdjudicate = !appData.icsActive;
7673 // most tests only when we understand the game, i.e. legality-checking on
7674 if( appData.testLegality )
7675 { /* [HGM] Some more adjudications for obstinate engines */
7676 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7677 static int moveCount = 6;
7679 char *reason = NULL;
7681 /* Count what is on board. */
7682 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7684 /* Some material-based adjudications that have to be made before stalemate test */
7685 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7686 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7687 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7688 if(canAdjudicate && appData.checkMates) {
7690 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7691 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7692 "Xboard adjudication: King destroyed", GE_XBOARD );
7697 /* Bare King in Shatranj (loses) or Losers (wins) */
7698 if( nrW == 1 || nrB == 1) {
7699 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7700 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7701 if(canAdjudicate && appData.checkMates) {
7703 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7704 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7705 "Xboard adjudication: Bare king", GE_XBOARD );
7709 if( gameInfo.variant == VariantShatranj && --bare < 0)
7711 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7712 if(canAdjudicate && appData.checkMates) {
7713 /* but only adjudicate if adjudication enabled */
7715 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7716 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7717 "Xboard adjudication: Bare king", GE_XBOARD );
7724 // don't wait for engine to announce game end if we can judge ourselves
7725 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7727 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7728 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7729 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7730 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7733 reason = "Xboard adjudication: 3rd check";
7734 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7744 reason = "Xboard adjudication: Stalemate";
7745 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7746 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7747 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7748 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7749 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7750 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7751 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7752 EP_CHECKMATE : EP_WINS);
7753 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7754 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7758 reason = "Xboard adjudication: Checkmate";
7759 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7763 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7765 result = GameIsDrawn; break;
7767 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7769 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7773 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7775 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7776 GameEnds( result, reason, GE_XBOARD );
7780 /* Next absolutely insufficient mating material. */
7781 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7782 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7783 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7785 /* always flag draws, for judging claims */
7786 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7788 if(canAdjudicate && appData.materialDraws) {
7789 /* but only adjudicate them if adjudication enabled */
7790 if(engineOpponent) {
7791 SendToProgram("force\n", engineOpponent); // suppress reply
7792 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7794 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7799 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7800 if(gameInfo.variant == VariantXiangqi ?
7801 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7803 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7804 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7805 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7806 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7808 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7809 { /* if the first 3 moves do not show a tactical win, declare draw */
7810 if(engineOpponent) {
7811 SendToProgram("force\n", engineOpponent); // suppress reply
7812 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7814 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7817 } else moveCount = 6;
7820 // Repetition draws and 50-move rule can be applied independently of legality testing
7822 /* Check for rep-draws */
7824 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7825 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7826 for(k = forwardMostMove-2;
7827 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7828 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7829 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7832 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7833 /* compare castling rights */
7834 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7835 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7836 rights++; /* King lost rights, while rook still had them */
7837 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7838 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7839 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7840 rights++; /* but at least one rook lost them */
7842 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7843 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7845 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7846 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7847 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7850 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7851 && appData.drawRepeats > 1) {
7852 /* adjudicate after user-specified nr of repeats */
7853 int result = GameIsDrawn;
7854 char *details = "XBoard adjudication: repetition draw";
7855 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7856 // [HGM] xiangqi: check for forbidden perpetuals
7857 int m, ourPerpetual = 1, hisPerpetual = 1;
7858 for(m=forwardMostMove; m>k; m-=2) {
7859 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7860 ourPerpetual = 0; // the current mover did not always check
7861 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7862 hisPerpetual = 0; // the opponent did not always check
7864 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7865 ourPerpetual, hisPerpetual);
7866 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7867 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7868 details = "Xboard adjudication: perpetual checking";
7870 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7871 break; // (or we would have caught him before). Abort repetition-checking loop.
7873 // Now check for perpetual chases
7874 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7875 hisPerpetual = PerpetualChase(k, forwardMostMove);
7876 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7877 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7878 static char resdet[MSG_SIZ];
7879 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7881 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7883 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7884 break; // Abort repetition-checking loop.
7886 // if neither of us is checking or chasing all the time, or both are, it is draw
7888 if(engineOpponent) {
7889 SendToProgram("force\n", engineOpponent); // suppress reply
7890 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7892 GameEnds( result, details, GE_XBOARD );
7895 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7896 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7900 /* Now we test for 50-move draws. Determine ply count */
7901 count = forwardMostMove;
7902 /* look for last irreversble move */
7903 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7905 /* if we hit starting position, add initial plies */
7906 if( count == backwardMostMove )
7907 count -= initialRulePlies;
7908 count = forwardMostMove - count;
7909 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7910 // adjust reversible move counter for checks in Xiangqi
7911 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7912 if(i < backwardMostMove) i = backwardMostMove;
7913 while(i <= forwardMostMove) {
7914 lastCheck = inCheck; // check evasion does not count
7915 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7916 if(inCheck || lastCheck) count--; // check does not count
7921 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7922 /* this is used to judge if draw claims are legal */
7923 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7924 if(engineOpponent) {
7925 SendToProgram("force\n", engineOpponent); // suppress reply
7926 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7928 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7932 /* if draw offer is pending, treat it as a draw claim
7933 * when draw condition present, to allow engines a way to
7934 * claim draws before making their move to avoid a race
7935 * condition occurring after their move
7937 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7939 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7940 p = "Draw claim: 50-move rule";
7941 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7942 p = "Draw claim: 3-fold repetition";
7943 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7944 p = "Draw claim: insufficient mating material";
7945 if( p != NULL && canAdjudicate) {
7946 if(engineOpponent) {
7947 SendToProgram("force\n", engineOpponent); // suppress reply
7948 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7950 GameEnds( GameIsDrawn, p, GE_XBOARD );
7955 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7956 if(engineOpponent) {
7957 SendToProgram("force\n", engineOpponent); // suppress reply
7958 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7960 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7967 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7968 { // [HGM] book: this routine intercepts moves to simulate book replies
7969 char *bookHit = NULL;
7971 //first determine if the incoming move brings opponent into his book
7972 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7973 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7974 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7975 if(bookHit != NULL && !cps->bookSuspend) {
7976 // make sure opponent is not going to reply after receiving move to book position
7977 SendToProgram("force\n", cps);
7978 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7980 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7981 // now arrange restart after book miss
7983 // after a book hit we never send 'go', and the code after the call to this routine
7984 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7985 char buf[MSG_SIZ], *move = bookHit;
7987 int fromX, fromY, toX, toY;
7991 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7992 &fromX, &fromY, &toX, &toY, &promoChar)) {
7993 (void) CoordsToAlgebraic(boards[forwardMostMove],
7994 PosFlags(forwardMostMove),
7995 fromY, fromX, toY, toX, promoChar, move);
7997 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8001 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8002 SendToProgram(buf, cps);
8003 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8004 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8005 SendToProgram("go\n", cps);
8006 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8007 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8008 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8009 SendToProgram("go\n", cps);
8010 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8012 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8016 LoadError (char *errmess, ChessProgramState *cps)
8017 { // unloads engine and switches back to -ncp mode if it was first
8018 if(cps->initDone) return FALSE;
8019 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8020 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8023 appData.noChessProgram = TRUE;
8024 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8025 gameMode = BeginningOfGame; ModeHighlight();
8028 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8029 DisplayMessage("", ""); // erase waiting message
8030 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8035 ChessProgramState *savedState;
8037 DeferredBookMove (void)
8039 if(savedState->lastPing != savedState->lastPong)
8040 ScheduleDelayedEvent(DeferredBookMove, 10);
8042 HandleMachineMove(savedMessage, savedState);
8045 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8046 static ChessProgramState *stalledEngine;
8047 static char stashedInputMove[MSG_SIZ];
8050 HandleMachineMove (char *message, ChessProgramState *cps)
8052 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8053 char realname[MSG_SIZ];
8054 int fromX, fromY, toX, toY;
8058 int machineWhite, oldError;
8061 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8062 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8063 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8064 DisplayError(_("Invalid pairing from pairing engine"), 0);
8067 pairingReceived = 1;
8069 return; // Skim the pairing messages here.
8072 oldError = cps->userError; cps->userError = 0;
8074 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8076 * Kludge to ignore BEL characters
8078 while (*message == '\007') message++;
8081 * [HGM] engine debug message: ignore lines starting with '#' character
8083 if(cps->debug && *message == '#') return;
8086 * Look for book output
8088 if (cps == &first && bookRequested) {
8089 if (message[0] == '\t' || message[0] == ' ') {
8090 /* Part of the book output is here; append it */
8091 strcat(bookOutput, message);
8092 strcat(bookOutput, " \n");
8094 } else if (bookOutput[0] != NULLCHAR) {
8095 /* All of book output has arrived; display it */
8096 char *p = bookOutput;
8097 while (*p != NULLCHAR) {
8098 if (*p == '\t') *p = ' ';
8101 DisplayInformation(bookOutput);
8102 bookRequested = FALSE;
8103 /* Fall through to parse the current output */
8108 * Look for machine move.
8110 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8111 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8113 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8114 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8115 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8116 stalledEngine = cps;
8117 if(appData.ponderNextMove) { // bring opponent out of ponder
8118 if(gameMode == TwoMachinesPlay) {
8119 if(cps->other->pause)
8120 PauseEngine(cps->other);
8122 SendToProgram("easy\n", cps->other);
8129 /* This method is only useful on engines that support ping */
8130 if (cps->lastPing != cps->lastPong) {
8131 if (gameMode == BeginningOfGame) {
8132 /* Extra move from before last new; ignore */
8133 if (appData.debugMode) {
8134 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8137 if (appData.debugMode) {
8138 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8139 cps->which, gameMode);
8142 SendToProgram("undo\n", cps);
8148 case BeginningOfGame:
8149 /* Extra move from before last reset; ignore */
8150 if (appData.debugMode) {
8151 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8158 /* Extra move after we tried to stop. The mode test is
8159 not a reliable way of detecting this problem, but it's
8160 the best we can do on engines that don't support ping.
8162 if (appData.debugMode) {
8163 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8164 cps->which, gameMode);
8166 SendToProgram("undo\n", cps);
8169 case MachinePlaysWhite:
8170 case IcsPlayingWhite:
8171 machineWhite = TRUE;
8174 case MachinePlaysBlack:
8175 case IcsPlayingBlack:
8176 machineWhite = FALSE;
8179 case TwoMachinesPlay:
8180 machineWhite = (cps->twoMachinesColor[0] == 'w');
8183 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8184 if (appData.debugMode) {
8186 "Ignoring move out of turn by %s, gameMode %d"
8187 ", forwardMost %d\n",
8188 cps->which, gameMode, forwardMostMove);
8193 if(cps->alphaRank) AlphaRank(machineMove, 4);
8194 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8195 &fromX, &fromY, &toX, &toY, &promoChar)) {
8196 /* Machine move could not be parsed; ignore it. */
8197 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8198 machineMove, _(cps->which));
8199 DisplayError(buf1, 0);
8200 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8201 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8202 if (gameMode == TwoMachinesPlay) {
8203 GameEnds(machineWhite ? BlackWins : WhiteWins,
8209 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8210 /* So we have to redo legality test with true e.p. status here, */
8211 /* to make sure an illegal e.p. capture does not slip through, */
8212 /* to cause a forfeit on a justified illegal-move complaint */
8213 /* of the opponent. */
8214 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8216 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8217 fromY, fromX, toY, toX, promoChar);
8218 if(moveType == IllegalMove) {
8219 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8220 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8221 GameEnds(machineWhite ? BlackWins : WhiteWins,
8224 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8225 /* [HGM] Kludge to handle engines that send FRC-style castling
8226 when they shouldn't (like TSCP-Gothic) */
8228 case WhiteASideCastleFR:
8229 case BlackASideCastleFR:
8231 currentMoveString[2]++;
8233 case WhiteHSideCastleFR:
8234 case BlackHSideCastleFR:
8236 currentMoveString[2]--;
8238 default: ; // nothing to do, but suppresses warning of pedantic compilers
8241 hintRequested = FALSE;
8242 lastHint[0] = NULLCHAR;
8243 bookRequested = FALSE;
8244 /* Program may be pondering now */
8245 cps->maybeThinking = TRUE;
8246 if (cps->sendTime == 2) cps->sendTime = 1;
8247 if (cps->offeredDraw) cps->offeredDraw--;
8249 /* [AS] Save move info*/
8250 pvInfoList[ forwardMostMove ].score = programStats.score;
8251 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8252 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8254 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8256 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8257 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8260 while( count < adjudicateLossPlies ) {
8261 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8264 score = -score; /* Flip score for winning side */
8267 if( score > adjudicateLossThreshold ) {
8274 if( count >= adjudicateLossPlies ) {
8275 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8277 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8278 "Xboard adjudication",
8285 if(Adjudicate(cps)) {
8286 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8287 return; // [HGM] adjudicate: for all automatic game ends
8291 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8293 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8294 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8296 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8298 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8300 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8301 char buf[3*MSG_SIZ];
8303 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8304 programStats.score / 100.,
8306 programStats.time / 100.,
8307 (unsigned int)programStats.nodes,
8308 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8309 programStats.movelist);
8311 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8316 /* [AS] Clear stats for next move */
8317 ClearProgramStats();
8318 thinkOutput[0] = NULLCHAR;
8319 hiddenThinkOutputState = 0;
8322 if (gameMode == TwoMachinesPlay) {
8323 /* [HGM] relaying draw offers moved to after reception of move */
8324 /* and interpreting offer as claim if it brings draw condition */
8325 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8326 SendToProgram("draw\n", cps->other);
8328 if (cps->other->sendTime) {
8329 SendTimeRemaining(cps->other,
8330 cps->other->twoMachinesColor[0] == 'w');
8332 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8333 if (firstMove && !bookHit) {
8335 if (cps->other->useColors) {
8336 SendToProgram(cps->other->twoMachinesColor, cps->other);
8338 SendToProgram("go\n", cps->other);
8340 cps->other->maybeThinking = TRUE;
8343 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8345 if (!pausing && appData.ringBellAfterMoves) {
8350 * Reenable menu items that were disabled while
8351 * machine was thinking
8353 if (gameMode != TwoMachinesPlay)
8354 SetUserThinkingEnables();
8356 // [HGM] book: after book hit opponent has received move and is now in force mode
8357 // force the book reply into it, and then fake that it outputted this move by jumping
8358 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8360 static char bookMove[MSG_SIZ]; // a bit generous?
8362 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8363 strcat(bookMove, bookHit);
8366 programStats.nodes = programStats.depth = programStats.time =
8367 programStats.score = programStats.got_only_move = 0;
8368 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8370 if(cps->lastPing != cps->lastPong) {
8371 savedMessage = message; // args for deferred call
8373 ScheduleDelayedEvent(DeferredBookMove, 10);
8382 /* Set special modes for chess engines. Later something general
8383 * could be added here; for now there is just one kludge feature,
8384 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8385 * when "xboard" is given as an interactive command.
8387 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8388 cps->useSigint = FALSE;
8389 cps->useSigterm = FALSE;
8391 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8392 ParseFeatures(message+8, cps);
8393 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8396 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8397 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8398 int dummy, s=6; char buf[MSG_SIZ];
8399 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8400 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8401 if(startedFromSetupPosition) return;
8402 ParseFEN(boards[0], &dummy, message+s);
8403 DrawPosition(TRUE, boards[0]);
8404 startedFromSetupPosition = TRUE;
8407 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8408 * want this, I was asked to put it in, and obliged.
8410 if (!strncmp(message, "setboard ", 9)) {
8411 Board initial_position;
8413 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8415 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8416 DisplayError(_("Bad FEN received from engine"), 0);
8420 CopyBoard(boards[0], initial_position);
8421 initialRulePlies = FENrulePlies;
8422 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8423 else gameMode = MachinePlaysBlack;
8424 DrawPosition(FALSE, boards[currentMove]);
8430 * Look for communication commands
8432 if (!strncmp(message, "telluser ", 9)) {
8433 if(message[9] == '\\' && message[10] == '\\')
8434 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8436 DisplayNote(message + 9);
8439 if (!strncmp(message, "tellusererror ", 14)) {
8441 if(message[14] == '\\' && message[15] == '\\')
8442 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8444 DisplayError(message + 14, 0);
8447 if (!strncmp(message, "tellopponent ", 13)) {
8448 if (appData.icsActive) {
8450 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8454 DisplayNote(message + 13);
8458 if (!strncmp(message, "tellothers ", 11)) {
8459 if (appData.icsActive) {
8461 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8467 if (!strncmp(message, "tellall ", 8)) {
8468 if (appData.icsActive) {
8470 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8474 DisplayNote(message + 8);
8478 if (strncmp(message, "warning", 7) == 0) {
8479 /* Undocumented feature, use tellusererror in new code */
8480 DisplayError(message, 0);
8483 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8484 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8485 strcat(realname, " query");
8486 AskQuestion(realname, buf2, buf1, cps->pr);
8489 /* Commands from the engine directly to ICS. We don't allow these to be
8490 * sent until we are logged on. Crafty kibitzes have been known to
8491 * interfere with the login process.
8494 if (!strncmp(message, "tellics ", 8)) {
8495 SendToICS(message + 8);
8499 if (!strncmp(message, "tellicsnoalias ", 15)) {
8500 SendToICS(ics_prefix);
8501 SendToICS(message + 15);
8505 /* The following are for backward compatibility only */
8506 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8507 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8508 SendToICS(ics_prefix);
8514 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8518 * If the move is illegal, cancel it and redraw the board.
8519 * Also deal with other error cases. Matching is rather loose
8520 * here to accommodate engines written before the spec.
8522 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8523 strncmp(message, "Error", 5) == 0) {
8524 if (StrStr(message, "name") ||
8525 StrStr(message, "rating") || StrStr(message, "?") ||
8526 StrStr(message, "result") || StrStr(message, "board") ||
8527 StrStr(message, "bk") || StrStr(message, "computer") ||
8528 StrStr(message, "variant") || StrStr(message, "hint") ||
8529 StrStr(message, "random") || StrStr(message, "depth") ||
8530 StrStr(message, "accepted")) {
8533 if (StrStr(message, "protover")) {
8534 /* Program is responding to input, so it's apparently done
8535 initializing, and this error message indicates it is
8536 protocol version 1. So we don't need to wait any longer
8537 for it to initialize and send feature commands. */
8538 FeatureDone(cps, 1);
8539 cps->protocolVersion = 1;
8542 cps->maybeThinking = FALSE;
8544 if (StrStr(message, "draw")) {
8545 /* Program doesn't have "draw" command */
8546 cps->sendDrawOffers = 0;
8549 if (cps->sendTime != 1 &&
8550 (StrStr(message, "time") || StrStr(message, "otim"))) {
8551 /* Program apparently doesn't have "time" or "otim" command */
8555 if (StrStr(message, "analyze")) {
8556 cps->analysisSupport = FALSE;
8557 cps->analyzing = FALSE;
8558 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8559 EditGameEvent(); // [HGM] try to preserve loaded game
8560 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8561 DisplayError(buf2, 0);
8564 if (StrStr(message, "(no matching move)st")) {
8565 /* Special kludge for GNU Chess 4 only */
8566 cps->stKludge = TRUE;
8567 SendTimeControl(cps, movesPerSession, timeControl,
8568 timeIncrement, appData.searchDepth,
8572 if (StrStr(message, "(no matching move)sd")) {
8573 /* Special kludge for GNU Chess 4 only */
8574 cps->sdKludge = TRUE;
8575 SendTimeControl(cps, movesPerSession, timeControl,
8576 timeIncrement, appData.searchDepth,
8580 if (!StrStr(message, "llegal")) {
8583 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8584 gameMode == IcsIdle) return;
8585 if (forwardMostMove <= backwardMostMove) return;
8586 if (pausing) PauseEvent();
8587 if(appData.forceIllegal) {
8588 // [HGM] illegal: machine refused move; force position after move into it
8589 SendToProgram("force\n", cps);
8590 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8591 // we have a real problem now, as SendBoard will use the a2a3 kludge
8592 // when black is to move, while there might be nothing on a2 or black
8593 // might already have the move. So send the board as if white has the move.
8594 // But first we must change the stm of the engine, as it refused the last move
8595 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8596 if(WhiteOnMove(forwardMostMove)) {
8597 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8598 SendBoard(cps, forwardMostMove); // kludgeless board
8600 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8601 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8602 SendBoard(cps, forwardMostMove+1); // kludgeless board
8604 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8605 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8606 gameMode == TwoMachinesPlay)
8607 SendToProgram("go\n", cps);
8610 if (gameMode == PlayFromGameFile) {
8611 /* Stop reading this game file */
8612 gameMode = EditGame;
8615 /* [HGM] illegal-move claim should forfeit game when Xboard */
8616 /* only passes fully legal moves */
8617 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8618 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8619 "False illegal-move claim", GE_XBOARD );
8620 return; // do not take back move we tested as valid
8622 currentMove = forwardMostMove-1;
8623 DisplayMove(currentMove-1); /* before DisplayMoveError */
8624 SwitchClocks(forwardMostMove-1); // [HGM] race
8625 DisplayBothClocks();
8626 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8627 parseList[currentMove], _(cps->which));
8628 DisplayMoveError(buf1);
8629 DrawPosition(FALSE, boards[currentMove]);
8631 SetUserThinkingEnables();
8634 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8635 /* Program has a broken "time" command that
8636 outputs a string not ending in newline.
8642 * If chess program startup fails, exit with an error message.
8643 * Attempts to recover here are futile. [HGM] Well, we try anyway
8645 if ((StrStr(message, "unknown host") != NULL)
8646 || (StrStr(message, "No remote directory") != NULL)
8647 || (StrStr(message, "not found") != NULL)
8648 || (StrStr(message, "No such file") != NULL)
8649 || (StrStr(message, "can't alloc") != NULL)
8650 || (StrStr(message, "Permission denied") != NULL)) {
8652 cps->maybeThinking = FALSE;
8653 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8654 _(cps->which), cps->program, cps->host, message);
8655 RemoveInputSource(cps->isr);
8656 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8657 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8658 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8664 * Look for hint output
8666 if (sscanf(message, "Hint: %s", buf1) == 1) {
8667 if (cps == &first && hintRequested) {
8668 hintRequested = FALSE;
8669 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8670 &fromX, &fromY, &toX, &toY, &promoChar)) {
8671 (void) CoordsToAlgebraic(boards[forwardMostMove],
8672 PosFlags(forwardMostMove),
8673 fromY, fromX, toY, toX, promoChar, buf1);
8674 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8675 DisplayInformation(buf2);
8677 /* Hint move could not be parsed!? */
8678 snprintf(buf2, sizeof(buf2),
8679 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8680 buf1, _(cps->which));
8681 DisplayError(buf2, 0);
8684 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8690 * Ignore other messages if game is not in progress
8692 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8693 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8696 * look for win, lose, draw, or draw offer
8698 if (strncmp(message, "1-0", 3) == 0) {
8699 char *p, *q, *r = "";
8700 p = strchr(message, '{');
8708 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8710 } else if (strncmp(message, "0-1", 3) == 0) {
8711 char *p, *q, *r = "";
8712 p = strchr(message, '{');
8720 /* Kludge for Arasan 4.1 bug */
8721 if (strcmp(r, "Black resigns") == 0) {
8722 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8725 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8727 } else if (strncmp(message, "1/2", 3) == 0) {
8728 char *p, *q, *r = "";
8729 p = strchr(message, '{');
8738 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8741 } else if (strncmp(message, "White resign", 12) == 0) {
8742 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8744 } else if (strncmp(message, "Black resign", 12) == 0) {
8745 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8747 } else if (strncmp(message, "White matches", 13) == 0 ||
8748 strncmp(message, "Black matches", 13) == 0 ) {
8749 /* [HGM] ignore GNUShogi noises */
8751 } else if (strncmp(message, "White", 5) == 0 &&
8752 message[5] != '(' &&
8753 StrStr(message, "Black") == NULL) {
8754 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8756 } else if (strncmp(message, "Black", 5) == 0 &&
8757 message[5] != '(') {
8758 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8760 } else if (strcmp(message, "resign") == 0 ||
8761 strcmp(message, "computer resigns") == 0) {
8763 case MachinePlaysBlack:
8764 case IcsPlayingBlack:
8765 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8767 case MachinePlaysWhite:
8768 case IcsPlayingWhite:
8769 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8771 case TwoMachinesPlay:
8772 if (cps->twoMachinesColor[0] == 'w')
8773 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8775 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8782 } else if (strncmp(message, "opponent mates", 14) == 0) {
8784 case MachinePlaysBlack:
8785 case IcsPlayingBlack:
8786 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8788 case MachinePlaysWhite:
8789 case IcsPlayingWhite:
8790 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8792 case TwoMachinesPlay:
8793 if (cps->twoMachinesColor[0] == 'w')
8794 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8796 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8803 } else if (strncmp(message, "computer mates", 14) == 0) {
8805 case MachinePlaysBlack:
8806 case IcsPlayingBlack:
8807 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8809 case MachinePlaysWhite:
8810 case IcsPlayingWhite:
8811 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8813 case TwoMachinesPlay:
8814 if (cps->twoMachinesColor[0] == 'w')
8815 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8817 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8824 } else if (strncmp(message, "checkmate", 9) == 0) {
8825 if (WhiteOnMove(forwardMostMove)) {
8826 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8828 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8831 } else if (strstr(message, "Draw") != NULL ||
8832 strstr(message, "game is a draw") != NULL) {
8833 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8835 } else if (strstr(message, "offer") != NULL &&
8836 strstr(message, "draw") != NULL) {
8838 if (appData.zippyPlay && first.initDone) {
8839 /* Relay offer to ICS */
8840 SendToICS(ics_prefix);
8841 SendToICS("draw\n");
8844 cps->offeredDraw = 2; /* valid until this engine moves twice */
8845 if (gameMode == TwoMachinesPlay) {
8846 if (cps->other->offeredDraw) {
8847 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8848 /* [HGM] in two-machine mode we delay relaying draw offer */
8849 /* until after we also have move, to see if it is really claim */
8851 } else if (gameMode == MachinePlaysWhite ||
8852 gameMode == MachinePlaysBlack) {
8853 if (userOfferedDraw) {
8854 DisplayInformation(_("Machine accepts your draw offer"));
8855 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8857 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8864 * Look for thinking output
8866 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8867 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8869 int plylev, mvleft, mvtot, curscore, time;
8870 char mvname[MOVE_LEN];
8874 int prefixHint = FALSE;
8875 mvname[0] = NULLCHAR;
8878 case MachinePlaysBlack:
8879 case IcsPlayingBlack:
8880 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8882 case MachinePlaysWhite:
8883 case IcsPlayingWhite:
8884 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8889 case IcsObserving: /* [DM] icsEngineAnalyze */
8890 if (!appData.icsEngineAnalyze) ignore = TRUE;
8892 case TwoMachinesPlay:
8893 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8903 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8905 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8906 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8908 if (plyext != ' ' && plyext != '\t') {
8912 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8913 if( cps->scoreIsAbsolute &&
8914 ( gameMode == MachinePlaysBlack ||
8915 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8916 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8917 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8918 !WhiteOnMove(currentMove)
8921 curscore = -curscore;
8924 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8926 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8929 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8930 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8931 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8932 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8933 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8934 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8936 } else DisplayError(_("failed writing PV"), 0);
8939 tempStats.depth = plylev;
8940 tempStats.nodes = nodes;
8941 tempStats.time = time;
8942 tempStats.score = curscore;
8943 tempStats.got_only_move = 0;
8945 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8948 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8949 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8950 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8951 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8952 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8953 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8954 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8955 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8958 /* Buffer overflow protection */
8959 if (pv[0] != NULLCHAR) {
8960 if (strlen(pv) >= sizeof(tempStats.movelist)
8961 && appData.debugMode) {
8963 "PV is too long; using the first %u bytes.\n",
8964 (unsigned) sizeof(tempStats.movelist) - 1);
8967 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8969 sprintf(tempStats.movelist, " no PV\n");
8972 if (tempStats.seen_stat) {
8973 tempStats.ok_to_send = 1;
8976 if (strchr(tempStats.movelist, '(') != NULL) {
8977 tempStats.line_is_book = 1;
8978 tempStats.nr_moves = 0;
8979 tempStats.moves_left = 0;
8981 tempStats.line_is_book = 0;
8984 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8985 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8987 SendProgramStatsToFrontend( cps, &tempStats );
8990 [AS] Protect the thinkOutput buffer from overflow... this
8991 is only useful if buf1 hasn't overflowed first!
8993 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8995 (gameMode == TwoMachinesPlay ?
8996 ToUpper(cps->twoMachinesColor[0]) : ' '),
8997 ((double) curscore) / 100.0,
8998 prefixHint ? lastHint : "",
8999 prefixHint ? " " : "" );
9001 if( buf1[0] != NULLCHAR ) {
9002 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9004 if( strlen(pv) > max_len ) {
9005 if( appData.debugMode) {
9006 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9008 pv[max_len+1] = '\0';
9011 strcat( thinkOutput, pv);
9014 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9015 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9016 DisplayMove(currentMove - 1);
9020 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9021 /* crafty (9.25+) says "(only move) <move>"
9022 * if there is only 1 legal move
9024 sscanf(p, "(only move) %s", buf1);
9025 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9026 sprintf(programStats.movelist, "%s (only move)", buf1);
9027 programStats.depth = 1;
9028 programStats.nr_moves = 1;
9029 programStats.moves_left = 1;
9030 programStats.nodes = 1;
9031 programStats.time = 1;
9032 programStats.got_only_move = 1;
9034 /* Not really, but we also use this member to
9035 mean "line isn't going to change" (Crafty
9036 isn't searching, so stats won't change) */
9037 programStats.line_is_book = 1;
9039 SendProgramStatsToFrontend( cps, &programStats );
9041 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9042 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9043 DisplayMove(currentMove - 1);
9046 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9047 &time, &nodes, &plylev, &mvleft,
9048 &mvtot, mvname) >= 5) {
9049 /* The stat01: line is from Crafty (9.29+) in response
9050 to the "." command */
9051 programStats.seen_stat = 1;
9052 cps->maybeThinking = TRUE;
9054 if (programStats.got_only_move || !appData.periodicUpdates)
9057 programStats.depth = plylev;
9058 programStats.time = time;
9059 programStats.nodes = nodes;
9060 programStats.moves_left = mvleft;
9061 programStats.nr_moves = mvtot;
9062 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9063 programStats.ok_to_send = 1;
9064 programStats.movelist[0] = '\0';
9066 SendProgramStatsToFrontend( cps, &programStats );
9070 } else if (strncmp(message,"++",2) == 0) {
9071 /* Crafty 9.29+ outputs this */
9072 programStats.got_fail = 2;
9075 } else if (strncmp(message,"--",2) == 0) {
9076 /* Crafty 9.29+ outputs this */
9077 programStats.got_fail = 1;
9080 } else if (thinkOutput[0] != NULLCHAR &&
9081 strncmp(message, " ", 4) == 0) {
9082 unsigned message_len;
9085 while (*p && *p == ' ') p++;
9087 message_len = strlen( p );
9089 /* [AS] Avoid buffer overflow */
9090 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9091 strcat(thinkOutput, " ");
9092 strcat(thinkOutput, p);
9095 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9096 strcat(programStats.movelist, " ");
9097 strcat(programStats.movelist, p);
9100 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9101 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9102 DisplayMove(currentMove - 1);
9110 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9111 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9113 ChessProgramStats cpstats;
9115 if (plyext != ' ' && plyext != '\t') {
9119 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9120 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9121 curscore = -curscore;
9124 cpstats.depth = plylev;
9125 cpstats.nodes = nodes;
9126 cpstats.time = time;
9127 cpstats.score = curscore;
9128 cpstats.got_only_move = 0;
9129 cpstats.movelist[0] = '\0';
9131 if (buf1[0] != NULLCHAR) {
9132 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9135 cpstats.ok_to_send = 0;
9136 cpstats.line_is_book = 0;
9137 cpstats.nr_moves = 0;
9138 cpstats.moves_left = 0;
9140 SendProgramStatsToFrontend( cps, &cpstats );
9147 /* Parse a game score from the character string "game", and
9148 record it as the history of the current game. The game
9149 score is NOT assumed to start from the standard position.
9150 The display is not updated in any way.
9153 ParseGameHistory (char *game)
9156 int fromX, fromY, toX, toY, boardIndex;
9161 if (appData.debugMode)
9162 fprintf(debugFP, "Parsing game history: %s\n", game);
9164 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9165 gameInfo.site = StrSave(appData.icsHost);
9166 gameInfo.date = PGNDate();
9167 gameInfo.round = StrSave("-");
9169 /* Parse out names of players */
9170 while (*game == ' ') game++;
9172 while (*game != ' ') *p++ = *game++;
9174 gameInfo.white = StrSave(buf);
9175 while (*game == ' ') game++;
9177 while (*game != ' ' && *game != '\n') *p++ = *game++;
9179 gameInfo.black = StrSave(buf);
9182 boardIndex = blackPlaysFirst ? 1 : 0;
9185 yyboardindex = boardIndex;
9186 moveType = (ChessMove) Myylex();
9188 case IllegalMove: /* maybe suicide chess, etc. */
9189 if (appData.debugMode) {
9190 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9191 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9192 setbuf(debugFP, NULL);
9194 case WhitePromotion:
9195 case BlackPromotion:
9196 case WhiteNonPromotion:
9197 case BlackNonPromotion:
9199 case WhiteCapturesEnPassant:
9200 case BlackCapturesEnPassant:
9201 case WhiteKingSideCastle:
9202 case WhiteQueenSideCastle:
9203 case BlackKingSideCastle:
9204 case BlackQueenSideCastle:
9205 case WhiteKingSideCastleWild:
9206 case WhiteQueenSideCastleWild:
9207 case BlackKingSideCastleWild:
9208 case BlackQueenSideCastleWild:
9210 case WhiteHSideCastleFR:
9211 case WhiteASideCastleFR:
9212 case BlackHSideCastleFR:
9213 case BlackASideCastleFR:
9215 fromX = currentMoveString[0] - AAA;
9216 fromY = currentMoveString[1] - ONE;
9217 toX = currentMoveString[2] - AAA;
9218 toY = currentMoveString[3] - ONE;
9219 promoChar = currentMoveString[4];
9223 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9224 fromX = moveType == WhiteDrop ?
9225 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9226 (int) CharToPiece(ToLower(currentMoveString[0]));
9228 toX = currentMoveString[2] - AAA;
9229 toY = currentMoveString[3] - ONE;
9230 promoChar = NULLCHAR;
9234 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9235 if (appData.debugMode) {
9236 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9237 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9238 setbuf(debugFP, NULL);
9240 DisplayError(buf, 0);
9242 case ImpossibleMove:
9244 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9245 if (appData.debugMode) {
9246 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9247 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9248 setbuf(debugFP, NULL);
9250 DisplayError(buf, 0);
9253 if (boardIndex < backwardMostMove) {
9254 /* Oops, gap. How did that happen? */
9255 DisplayError(_("Gap in move list"), 0);
9258 backwardMostMove = blackPlaysFirst ? 1 : 0;
9259 if (boardIndex > forwardMostMove) {
9260 forwardMostMove = boardIndex;
9264 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9265 strcat(parseList[boardIndex-1], " ");
9266 strcat(parseList[boardIndex-1], yy_text);
9278 case GameUnfinished:
9279 if (gameMode == IcsExamining) {
9280 if (boardIndex < backwardMostMove) {
9281 /* Oops, gap. How did that happen? */
9284 backwardMostMove = blackPlaysFirst ? 1 : 0;
9287 gameInfo.result = moveType;
9288 p = strchr(yy_text, '{');
9289 if (p == NULL) p = strchr(yy_text, '(');
9292 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9294 q = strchr(p, *p == '{' ? '}' : ')');
9295 if (q != NULL) *q = NULLCHAR;
9298 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9299 gameInfo.resultDetails = StrSave(p);
9302 if (boardIndex >= forwardMostMove &&
9303 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9304 backwardMostMove = blackPlaysFirst ? 1 : 0;
9307 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9308 fromY, fromX, toY, toX, promoChar,
9309 parseList[boardIndex]);
9310 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9311 /* currentMoveString is set as a side-effect of yylex */
9312 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9313 strcat(moveList[boardIndex], "\n");
9315 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9316 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9322 if(gameInfo.variant != VariantShogi)
9323 strcat(parseList[boardIndex - 1], "+");
9327 strcat(parseList[boardIndex - 1], "#");
9334 /* Apply a move to the given board */
9336 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9338 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9339 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9341 /* [HGM] compute & store e.p. status and castling rights for new position */
9342 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9344 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9345 oldEP = (signed char)board[EP_STATUS];
9346 board[EP_STATUS] = EP_NONE;
9348 if (fromY == DROP_RANK) {
9350 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9351 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9354 piece = board[toY][toX] = (ChessSquare) fromX;
9358 if( board[toY][toX] != EmptySquare )
9359 board[EP_STATUS] = EP_CAPTURE;
9361 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9362 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9363 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9365 if( board[fromY][fromX] == WhitePawn ) {
9366 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9367 board[EP_STATUS] = EP_PAWN_MOVE;
9369 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9370 gameInfo.variant != VariantBerolina || toX < fromX)
9371 board[EP_STATUS] = toX | berolina;
9372 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9373 gameInfo.variant != VariantBerolina || toX > fromX)
9374 board[EP_STATUS] = toX;
9377 if( board[fromY][fromX] == BlackPawn ) {
9378 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9379 board[EP_STATUS] = EP_PAWN_MOVE;
9380 if( toY-fromY== -2) {
9381 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9382 gameInfo.variant != VariantBerolina || toX < fromX)
9383 board[EP_STATUS] = toX | berolina;
9384 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9385 gameInfo.variant != VariantBerolina || toX > fromX)
9386 board[EP_STATUS] = toX;
9390 for(i=0; i<nrCastlingRights; i++) {
9391 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9392 board[CASTLING][i] == toX && castlingRank[i] == toY
9393 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9396 if(gameInfo.variant == VariantSChess) { // update virginity
9397 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9398 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9399 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9400 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9403 if (fromX == toX && fromY == toY) return;
9405 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9406 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9407 if(gameInfo.variant == VariantKnightmate)
9408 king += (int) WhiteUnicorn - (int) WhiteKing;
9410 /* Code added by Tord: */
9411 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9412 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9413 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9414 board[fromY][fromX] = EmptySquare;
9415 board[toY][toX] = EmptySquare;
9416 if((toX > fromX) != (piece == WhiteRook)) {
9417 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9419 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9421 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9422 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9423 board[fromY][fromX] = EmptySquare;
9424 board[toY][toX] = EmptySquare;
9425 if((toX > fromX) != (piece == BlackRook)) {
9426 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9428 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9430 /* End of code added by Tord */
9432 } else if (board[fromY][fromX] == king
9433 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9434 && toY == fromY && toX > fromX+1) {
9435 board[fromY][fromX] = EmptySquare;
9436 board[toY][toX] = king;
9437 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9438 board[fromY][BOARD_RGHT-1] = EmptySquare;
9439 } else if (board[fromY][fromX] == king
9440 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9441 && toY == fromY && toX < fromX-1) {
9442 board[fromY][fromX] = EmptySquare;
9443 board[toY][toX] = king;
9444 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9445 board[fromY][BOARD_LEFT] = EmptySquare;
9446 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9447 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9448 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9450 /* white pawn promotion */
9451 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9452 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9453 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9454 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9455 board[fromY][fromX] = EmptySquare;
9456 } else if ((fromY >= BOARD_HEIGHT>>1)
9458 && gameInfo.variant != VariantXiangqi
9459 && gameInfo.variant != VariantBerolina
9460 && (board[fromY][fromX] == WhitePawn)
9461 && (board[toY][toX] == EmptySquare)) {
9462 board[fromY][fromX] = EmptySquare;
9463 board[toY][toX] = WhitePawn;
9464 captured = board[toY - 1][toX];
9465 board[toY - 1][toX] = EmptySquare;
9466 } else if ((fromY == BOARD_HEIGHT-4)
9468 && gameInfo.variant == VariantBerolina
9469 && (board[fromY][fromX] == WhitePawn)
9470 && (board[toY][toX] == EmptySquare)) {
9471 board[fromY][fromX] = EmptySquare;
9472 board[toY][toX] = WhitePawn;
9473 if(oldEP & EP_BEROLIN_A) {
9474 captured = board[fromY][fromX-1];
9475 board[fromY][fromX-1] = EmptySquare;
9476 }else{ captured = board[fromY][fromX+1];
9477 board[fromY][fromX+1] = EmptySquare;
9479 } else if (board[fromY][fromX] == king
9480 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9481 && toY == fromY && toX > fromX+1) {
9482 board[fromY][fromX] = EmptySquare;
9483 board[toY][toX] = king;
9484 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9485 board[fromY][BOARD_RGHT-1] = EmptySquare;
9486 } else if (board[fromY][fromX] == king
9487 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9488 && toY == fromY && toX < fromX-1) {
9489 board[fromY][fromX] = EmptySquare;
9490 board[toY][toX] = king;
9491 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9492 board[fromY][BOARD_LEFT] = EmptySquare;
9493 } else if (fromY == 7 && fromX == 3
9494 && board[fromY][fromX] == BlackKing
9495 && toY == 7 && toX == 5) {
9496 board[fromY][fromX] = EmptySquare;
9497 board[toY][toX] = BlackKing;
9498 board[fromY][7] = EmptySquare;
9499 board[toY][4] = BlackRook;
9500 } else if (fromY == 7 && fromX == 3
9501 && board[fromY][fromX] == BlackKing
9502 && toY == 7 && toX == 1) {
9503 board[fromY][fromX] = EmptySquare;
9504 board[toY][toX] = BlackKing;
9505 board[fromY][0] = EmptySquare;
9506 board[toY][2] = BlackRook;
9507 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9508 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9509 && toY < promoRank && promoChar
9511 /* black pawn promotion */
9512 board[toY][toX] = CharToPiece(ToLower(promoChar));
9513 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9514 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9515 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9516 board[fromY][fromX] = EmptySquare;
9517 } else if ((fromY < BOARD_HEIGHT>>1)
9519 && gameInfo.variant != VariantXiangqi
9520 && gameInfo.variant != VariantBerolina
9521 && (board[fromY][fromX] == BlackPawn)
9522 && (board[toY][toX] == EmptySquare)) {
9523 board[fromY][fromX] = EmptySquare;
9524 board[toY][toX] = BlackPawn;
9525 captured = board[toY + 1][toX];
9526 board[toY + 1][toX] = EmptySquare;
9527 } else if ((fromY == 3)
9529 && gameInfo.variant == VariantBerolina
9530 && (board[fromY][fromX] == BlackPawn)
9531 && (board[toY][toX] == EmptySquare)) {
9532 board[fromY][fromX] = EmptySquare;
9533 board[toY][toX] = BlackPawn;
9534 if(oldEP & EP_BEROLIN_A) {
9535 captured = board[fromY][fromX-1];
9536 board[fromY][fromX-1] = EmptySquare;
9537 }else{ captured = board[fromY][fromX+1];
9538 board[fromY][fromX+1] = EmptySquare;
9541 board[toY][toX] = board[fromY][fromX];
9542 board[fromY][fromX] = EmptySquare;
9546 if (gameInfo.holdingsWidth != 0) {
9548 /* !!A lot more code needs to be written to support holdings */
9549 /* [HGM] OK, so I have written it. Holdings are stored in the */
9550 /* penultimate board files, so they are automaticlly stored */
9551 /* in the game history. */
9552 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9553 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9554 /* Delete from holdings, by decreasing count */
9555 /* and erasing image if necessary */
9556 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9557 if(p < (int) BlackPawn) { /* white drop */
9558 p -= (int)WhitePawn;
9559 p = PieceToNumber((ChessSquare)p);
9560 if(p >= gameInfo.holdingsSize) p = 0;
9561 if(--board[p][BOARD_WIDTH-2] <= 0)
9562 board[p][BOARD_WIDTH-1] = EmptySquare;
9563 if((int)board[p][BOARD_WIDTH-2] < 0)
9564 board[p][BOARD_WIDTH-2] = 0;
9565 } else { /* black drop */
9566 p -= (int)BlackPawn;
9567 p = PieceToNumber((ChessSquare)p);
9568 if(p >= gameInfo.holdingsSize) p = 0;
9569 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9570 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9571 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9572 board[BOARD_HEIGHT-1-p][1] = 0;
9575 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9576 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9577 /* [HGM] holdings: Add to holdings, if holdings exist */
9578 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9579 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9580 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9583 if (p >= (int) BlackPawn) {
9584 p -= (int)BlackPawn;
9585 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9586 /* in Shogi restore piece to its original first */
9587 captured = (ChessSquare) (DEMOTED captured);
9590 p = PieceToNumber((ChessSquare)p);
9591 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9592 board[p][BOARD_WIDTH-2]++;
9593 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9595 p -= (int)WhitePawn;
9596 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9597 captured = (ChessSquare) (DEMOTED captured);
9600 p = PieceToNumber((ChessSquare)p);
9601 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9602 board[BOARD_HEIGHT-1-p][1]++;
9603 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9606 } else if (gameInfo.variant == VariantAtomic) {
9607 if (captured != EmptySquare) {
9609 for (y = toY-1; y <= toY+1; y++) {
9610 for (x = toX-1; x <= toX+1; x++) {
9611 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9612 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9613 board[y][x] = EmptySquare;
9617 board[toY][toX] = EmptySquare;
9620 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9621 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9623 if(promoChar == '+') {
9624 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9625 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9626 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9627 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9628 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9629 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9630 board[toY][toX] = newPiece;
9632 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9633 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9634 // [HGM] superchess: take promotion piece out of holdings
9635 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9636 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9637 if(!--board[k][BOARD_WIDTH-2])
9638 board[k][BOARD_WIDTH-1] = EmptySquare;
9640 if(!--board[BOARD_HEIGHT-1-k][1])
9641 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9647 /* Updates forwardMostMove */
9649 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9651 // forwardMostMove++; // [HGM] bare: moved downstream
9653 (void) CoordsToAlgebraic(boards[forwardMostMove],
9654 PosFlags(forwardMostMove),
9655 fromY, fromX, toY, toX, promoChar,
9656 parseList[forwardMostMove]);
9658 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9659 int timeLeft; static int lastLoadFlag=0; int king, piece;
9660 piece = boards[forwardMostMove][fromY][fromX];
9661 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9662 if(gameInfo.variant == VariantKnightmate)
9663 king += (int) WhiteUnicorn - (int) WhiteKing;
9664 if(forwardMostMove == 0) {
9665 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9666 fprintf(serverMoves, "%s;", UserName());
9667 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9668 fprintf(serverMoves, "%s;", second.tidy);
9669 fprintf(serverMoves, "%s;", first.tidy);
9670 if(gameMode == MachinePlaysWhite)
9671 fprintf(serverMoves, "%s;", UserName());
9672 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9673 fprintf(serverMoves, "%s;", second.tidy);
9674 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9675 lastLoadFlag = loadFlag;
9677 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9678 // print castling suffix
9679 if( toY == fromY && piece == king ) {
9681 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9683 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9686 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9687 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9688 boards[forwardMostMove][toY][toX] == EmptySquare
9689 && fromX != toX && fromY != toY)
9690 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9692 if(promoChar != NULLCHAR) {
9693 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9694 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9695 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9696 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9699 char buf[MOVE_LEN*2], *p; int len;
9700 fprintf(serverMoves, "/%d/%d",
9701 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9702 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9703 else timeLeft = blackTimeRemaining/1000;
9704 fprintf(serverMoves, "/%d", timeLeft);
9705 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9706 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9707 if(p = strchr(buf, '=')) *p = NULLCHAR;
9708 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9709 fprintf(serverMoves, "/%s", buf);
9711 fflush(serverMoves);
9714 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9715 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9718 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9719 if (commentList[forwardMostMove+1] != NULL) {
9720 free(commentList[forwardMostMove+1]);
9721 commentList[forwardMostMove+1] = NULL;
9723 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9724 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9725 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9726 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9727 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9728 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9729 adjustedClock = FALSE;
9730 gameInfo.result = GameUnfinished;
9731 if (gameInfo.resultDetails != NULL) {
9732 free(gameInfo.resultDetails);
9733 gameInfo.resultDetails = NULL;
9735 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9736 moveList[forwardMostMove - 1]);
9737 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9743 if(gameInfo.variant != VariantShogi)
9744 strcat(parseList[forwardMostMove - 1], "+");
9748 strcat(parseList[forwardMostMove - 1], "#");
9754 /* Updates currentMove if not pausing */
9756 ShowMove (int fromX, int fromY, int toX, int toY)
9758 int instant = (gameMode == PlayFromGameFile) ?
9759 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9760 if(appData.noGUI) return;
9761 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9763 if (forwardMostMove == currentMove + 1) {
9764 AnimateMove(boards[forwardMostMove - 1],
9765 fromX, fromY, toX, toY);
9768 currentMove = forwardMostMove;
9771 if (instant) return;
9773 DisplayMove(currentMove - 1);
9774 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9775 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9776 SetHighlights(fromX, fromY, toX, toY);
9779 DrawPosition(FALSE, boards[currentMove]);
9780 DisplayBothClocks();
9781 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9785 SendEgtPath (ChessProgramState *cps)
9786 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9787 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9789 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9792 char c, *q = name+1, *r, *s;
9794 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9795 while(*p && *p != ',') *q++ = *p++;
9797 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9798 strcmp(name, ",nalimov:") == 0 ) {
9799 // take nalimov path from the menu-changeable option first, if it is defined
9800 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9801 SendToProgram(buf,cps); // send egtbpath command for nalimov
9803 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9804 (s = StrStr(appData.egtFormats, name)) != NULL) {
9805 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9806 s = r = StrStr(s, ":") + 1; // beginning of path info
9807 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9808 c = *r; *r = 0; // temporarily null-terminate path info
9809 *--q = 0; // strip of trailig ':' from name
9810 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9812 SendToProgram(buf,cps); // send egtbpath command for this format
9814 if(*p == ',') p++; // read away comma to position for next format name
9819 InitChessProgram (ChessProgramState *cps, int setup)
9820 /* setup needed to setup FRC opening position */
9822 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9823 if (appData.noChessProgram) return;
9824 hintRequested = FALSE;
9825 bookRequested = FALSE;
9827 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9828 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9829 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9830 if(cps->memSize) { /* [HGM] memory */
9831 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9832 SendToProgram(buf, cps);
9834 SendEgtPath(cps); /* [HGM] EGT */
9835 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9836 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9837 SendToProgram(buf, cps);
9840 SendToProgram(cps->initString, cps);
9841 if (gameInfo.variant != VariantNormal &&
9842 gameInfo.variant != VariantLoadable
9843 /* [HGM] also send variant if board size non-standard */
9844 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9846 char *v = VariantName(gameInfo.variant);
9847 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9848 /* [HGM] in protocol 1 we have to assume all variants valid */
9849 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9850 DisplayFatalError(buf, 0, 1);
9854 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9855 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9856 if( gameInfo.variant == VariantXiangqi )
9857 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9858 if( gameInfo.variant == VariantShogi )
9859 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9860 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9861 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9862 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9863 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9864 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9865 if( gameInfo.variant == VariantCourier )
9866 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9867 if( gameInfo.variant == VariantSuper )
9868 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9869 if( gameInfo.variant == VariantGreat )
9870 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9871 if( gameInfo.variant == VariantSChess )
9872 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9873 if( gameInfo.variant == VariantGrand )
9874 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9877 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9878 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9879 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9880 if(StrStr(cps->variants, b) == NULL) {
9881 // specific sized variant not known, check if general sizing allowed
9882 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9883 if(StrStr(cps->variants, "boardsize") == NULL) {
9884 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9885 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9886 DisplayFatalError(buf, 0, 1);
9889 /* [HGM] here we really should compare with the maximum supported board size */
9892 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9893 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9894 SendToProgram(buf, cps);
9896 currentlyInitializedVariant = gameInfo.variant;
9898 /* [HGM] send opening position in FRC to first engine */
9900 SendToProgram("force\n", cps);
9902 /* engine is now in force mode! Set flag to wake it up after first move. */
9903 setboardSpoiledMachineBlack = 1;
9907 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9908 SendToProgram(buf, cps);
9910 cps->maybeThinking = FALSE;
9911 cps->offeredDraw = 0;
9912 if (!appData.icsActive) {
9913 SendTimeControl(cps, movesPerSession, timeControl,
9914 timeIncrement, appData.searchDepth,
9917 if (appData.showThinking
9918 // [HGM] thinking: four options require thinking output to be sent
9919 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9921 SendToProgram("post\n", cps);
9923 SendToProgram("hard\n", cps);
9924 if (!appData.ponderNextMove) {
9925 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9926 it without being sure what state we are in first. "hard"
9927 is not a toggle, so that one is OK.
9929 SendToProgram("easy\n", cps);
9932 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9933 SendToProgram(buf, cps);
9935 cps->initDone = TRUE;
9936 ClearEngineOutputPane(cps == &second);
9941 StartChessProgram (ChessProgramState *cps)
9946 if (appData.noChessProgram) return;
9947 cps->initDone = FALSE;
9949 if (strcmp(cps->host, "localhost") == 0) {
9950 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9951 } else if (*appData.remoteShell == NULLCHAR) {
9952 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9954 if (*appData.remoteUser == NULLCHAR) {
9955 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9958 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9959 cps->host, appData.remoteUser, cps->program);
9961 err = StartChildProcess(buf, "", &cps->pr);
9965 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9966 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9967 if(cps != &first) return;
9968 appData.noChessProgram = TRUE;
9971 // DisplayFatalError(buf, err, 1);
9972 // cps->pr = NoProc;
9977 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9978 if (cps->protocolVersion > 1) {
9979 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9980 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9981 cps->comboCnt = 0; // and values of combo boxes
9982 SendToProgram(buf, cps);
9984 SendToProgram("xboard\n", cps);
9989 TwoMachinesEventIfReady P((void))
9991 static int curMess = 0;
9992 if (first.lastPing != first.lastPong) {
9993 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9994 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9997 if (second.lastPing != second.lastPong) {
9998 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9999 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10002 DisplayMessage("", ""); curMess = 0;
10004 TwoMachinesEvent();
10008 MakeName (char *template)
10012 static char buf[MSG_SIZ];
10016 clock = time((time_t *)NULL);
10017 tm = localtime(&clock);
10019 while(*p++ = *template++) if(p[-1] == '%') {
10020 switch(*template++) {
10021 case 0: *p = 0; return buf;
10022 case 'Y': i = tm->tm_year+1900; break;
10023 case 'y': i = tm->tm_year-100; break;
10024 case 'M': i = tm->tm_mon+1; break;
10025 case 'd': i = tm->tm_mday; break;
10026 case 'h': i = tm->tm_hour; break;
10027 case 'm': i = tm->tm_min; break;
10028 case 's': i = tm->tm_sec; break;
10031 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10037 CountPlayers (char *p)
10040 while(p = strchr(p, '\n')) p++, n++; // count participants
10045 WriteTourneyFile (char *results, FILE *f)
10046 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10047 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10048 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10049 // create a file with tournament description
10050 fprintf(f, "-participants {%s}\n", appData.participants);
10051 fprintf(f, "-seedBase %d\n", appData.seedBase);
10052 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10053 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10054 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10055 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10056 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10057 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10058 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10059 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10060 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10061 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10062 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10063 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10065 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10067 fprintf(f, "-mps %d\n", appData.movesPerSession);
10068 fprintf(f, "-tc %s\n", appData.timeControl);
10069 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10071 fprintf(f, "-results \"%s\"\n", results);
10076 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10079 Substitute (char *participants, int expunge)
10081 int i, changed, changes=0, nPlayers=0;
10082 char *p, *q, *r, buf[MSG_SIZ];
10083 if(participants == NULL) return;
10084 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10085 r = p = participants; q = appData.participants;
10086 while(*p && *p == *q) {
10087 if(*p == '\n') r = p+1, nPlayers++;
10090 if(*p) { // difference
10091 while(*p && *p++ != '\n');
10092 while(*q && *q++ != '\n');
10093 changed = nPlayers;
10094 changes = 1 + (strcmp(p, q) != 0);
10096 if(changes == 1) { // a single engine mnemonic was changed
10097 q = r; while(*q) nPlayers += (*q++ == '\n');
10098 p = buf; while(*r && (*p = *r++) != '\n') p++;
10100 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10101 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10102 if(mnemonic[i]) { // The substitute is valid
10104 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10105 flock(fileno(f), LOCK_EX);
10106 ParseArgsFromFile(f);
10107 fseek(f, 0, SEEK_SET);
10108 FREE(appData.participants); appData.participants = participants;
10109 if(expunge) { // erase results of replaced engine
10110 int len = strlen(appData.results), w, b, dummy;
10111 for(i=0; i<len; i++) {
10112 Pairing(i, nPlayers, &w, &b, &dummy);
10113 if((w == changed || b == changed) && appData.results[i] == '*') {
10114 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10119 for(i=0; i<len; i++) {
10120 Pairing(i, nPlayers, &w, &b, &dummy);
10121 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10124 WriteTourneyFile(appData.results, f);
10125 fclose(f); // release lock
10128 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10130 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10131 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10132 free(participants);
10137 CheckPlayers (char *participants)
10140 char buf[MSG_SIZ], *p;
10141 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10142 while(p = strchr(participants, '\n')) {
10144 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10146 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10148 DisplayError(buf, 0);
10152 participants = p + 1;
10158 CreateTourney (char *name)
10161 if(matchMode && strcmp(name, appData.tourneyFile)) {
10162 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10164 if(name[0] == NULLCHAR) {
10165 if(appData.participants[0])
10166 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10169 f = fopen(name, "r");
10170 if(f) { // file exists
10171 ASSIGN(appData.tourneyFile, name);
10172 ParseArgsFromFile(f); // parse it
10174 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10175 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10176 DisplayError(_("Not enough participants"), 0);
10179 if(CheckPlayers(appData.participants)) return 0;
10180 ASSIGN(appData.tourneyFile, name);
10181 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10182 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10185 appData.noChessProgram = FALSE;
10186 appData.clockMode = TRUE;
10192 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10194 char buf[MSG_SIZ], *p, *q;
10195 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10196 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10197 skip = !all && group[0]; // if group requested, we start in skip mode
10198 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10199 p = names; q = buf; header = 0;
10200 while(*p && *p != '\n') *q++ = *p++;
10202 if(*p == '\n') p++;
10203 if(buf[0] == '#') {
10204 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10205 depth++; // we must be entering a new group
10206 if(all) continue; // suppress printing group headers when complete list requested
10208 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10210 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10211 if(engineList[i]) free(engineList[i]);
10212 engineList[i] = strdup(buf);
10213 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10214 if(engineMnemonic[i]) free(engineMnemonic[i]);
10215 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10217 sscanf(q + 8, "%s", buf + strlen(buf));
10220 engineMnemonic[i] = strdup(buf);
10223 engineList[i] = engineMnemonic[i] = NULL;
10227 // following implemented as macro to avoid type limitations
10228 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10231 SwapEngines (int n)
10232 { // swap settings for first engine and other engine (so far only some selected options)
10237 SWAP(chessProgram, p)
10239 SWAP(hasOwnBookUCI, h)
10240 SWAP(protocolVersion, h)
10242 SWAP(scoreIsAbsolute, h)
10247 SWAP(engOptions, p)
10248 SWAP(engInitString, p)
10249 SWAP(computerString, p)
10251 SWAP(fenOverride, p)
10253 SWAP(accumulateTC, h)
10258 GetEngineLine (char *s, int n)
10262 extern char *icsNames;
10263 if(!s || !*s) return 0;
10264 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10265 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10266 if(!mnemonic[i]) return 0;
10267 if(n == 11) return 1; // just testing if there was a match
10268 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10269 if(n == 1) SwapEngines(n);
10270 ParseArgsFromString(buf);
10271 if(n == 1) SwapEngines(n);
10272 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10273 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10274 ParseArgsFromString(buf);
10280 SetPlayer (int player, char *p)
10281 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10283 char buf[MSG_SIZ], *engineName;
10284 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10285 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10286 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10288 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10289 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10290 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10291 ParseArgsFromString(buf);
10297 char *recentEngines;
10300 RecentEngineEvent (int nr)
10303 // SwapEngines(1); // bump first to second
10304 // ReplaceEngine(&second, 1); // and load it there
10305 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10306 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10307 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10308 ReplaceEngine(&first, 0);
10309 FloatToFront(&appData.recentEngineList, command[n]);
10314 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10315 { // determine players from game number
10316 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10318 if(appData.tourneyType == 0) {
10319 roundsPerCycle = (nPlayers - 1) | 1;
10320 pairingsPerRound = nPlayers / 2;
10321 } else if(appData.tourneyType > 0) {
10322 roundsPerCycle = nPlayers - appData.tourneyType;
10323 pairingsPerRound = appData.tourneyType;
10325 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10326 gamesPerCycle = gamesPerRound * roundsPerCycle;
10327 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10328 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10329 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10330 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10331 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10332 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10334 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10335 if(appData.roundSync) *syncInterval = gamesPerRound;
10337 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10339 if(appData.tourneyType == 0) {
10340 if(curPairing == (nPlayers-1)/2 ) {
10341 *whitePlayer = curRound;
10342 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10344 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10345 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10346 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10347 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10349 } else if(appData.tourneyType > 1) {
10350 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10351 *whitePlayer = curRound + appData.tourneyType;
10352 } else if(appData.tourneyType > 0) {
10353 *whitePlayer = curPairing;
10354 *blackPlayer = curRound + appData.tourneyType;
10357 // take care of white/black alternation per round.
10358 // For cycles and games this is already taken care of by default, derived from matchGame!
10359 return curRound & 1;
10363 NextTourneyGame (int nr, int *swapColors)
10364 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10366 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10368 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10369 tf = fopen(appData.tourneyFile, "r");
10370 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10371 ParseArgsFromFile(tf); fclose(tf);
10372 InitTimeControls(); // TC might be altered from tourney file
10374 nPlayers = CountPlayers(appData.participants); // count participants
10375 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10376 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10379 p = q = appData.results;
10380 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10381 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10382 DisplayMessage(_("Waiting for other game(s)"),"");
10383 waitingForGame = TRUE;
10384 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10387 waitingForGame = FALSE;
10390 if(appData.tourneyType < 0) {
10391 if(nr>=0 && !pairingReceived) {
10393 if(pairing.pr == NoProc) {
10394 if(!appData.pairingEngine[0]) {
10395 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10398 StartChessProgram(&pairing); // starts the pairing engine
10400 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10401 SendToProgram(buf, &pairing);
10402 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10403 SendToProgram(buf, &pairing);
10404 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10406 pairingReceived = 0; // ... so we continue here
10408 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10409 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10410 matchGame = 1; roundNr = nr / syncInterval + 1;
10413 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10415 // redefine engines, engine dir, etc.
10416 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10417 if(first.pr == NoProc) {
10418 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10419 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10421 if(second.pr == NoProc) {
10423 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10424 SwapEngines(1); // and make that valid for second engine by swapping
10425 InitEngine(&second, 1);
10427 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10428 UpdateLogos(FALSE); // leave display to ModeHiglight()
10434 { // performs game initialization that does not invoke engines, and then tries to start the game
10435 int res, firstWhite, swapColors = 0;
10436 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10437 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
10439 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10440 if(strcmp(buf, currentDebugFile)) { // name has changed
10441 FILE *f = fopen(buf, "w");
10442 if(f) { // if opening the new file failed, just keep using the old one
10443 ASSIGN(currentDebugFile, buf);
10447 if(appData.serverFileName) {
10448 if(serverFP) fclose(serverFP);
10449 serverFP = fopen(appData.serverFileName, "w");
10450 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10451 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10455 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10456 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10457 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10458 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10459 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10460 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10461 Reset(FALSE, first.pr != NoProc);
10462 res = LoadGameOrPosition(matchGame); // setup game
10463 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10464 if(!res) return; // abort when bad game/pos file
10465 TwoMachinesEvent();
10469 UserAdjudicationEvent (int result)
10471 ChessMove gameResult = GameIsDrawn;
10474 gameResult = WhiteWins;
10476 else if( result < 0 ) {
10477 gameResult = BlackWins;
10480 if( gameMode == TwoMachinesPlay ) {
10481 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10486 // [HGM] save: calculate checksum of game to make games easily identifiable
10488 StringCheckSum (char *s)
10491 if(s==NULL) return 0;
10492 while(*s) i = i*259 + *s++;
10500 for(i=backwardMostMove; i<forwardMostMove; i++) {
10501 sum += pvInfoList[i].depth;
10502 sum += StringCheckSum(parseList[i]);
10503 sum += StringCheckSum(commentList[i]);
10506 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10507 return sum + StringCheckSum(commentList[i]);
10508 } // end of save patch
10511 GameEnds (ChessMove result, char *resultDetails, int whosays)
10513 GameMode nextGameMode;
10515 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10517 if(endingGame) return; /* [HGM] crash: forbid recursion */
10519 if(twoBoards) { // [HGM] dual: switch back to one board
10520 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10521 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10523 if (appData.debugMode) {
10524 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10525 result, resultDetails ? resultDetails : "(null)", whosays);
10528 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10530 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10532 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10533 /* If we are playing on ICS, the server decides when the
10534 game is over, but the engine can offer to draw, claim
10538 if (appData.zippyPlay && first.initDone) {
10539 if (result == GameIsDrawn) {
10540 /* In case draw still needs to be claimed */
10541 SendToICS(ics_prefix);
10542 SendToICS("draw\n");
10543 } else if (StrCaseStr(resultDetails, "resign")) {
10544 SendToICS(ics_prefix);
10545 SendToICS("resign\n");
10549 endingGame = 0; /* [HGM] crash */
10553 /* If we're loading the game from a file, stop */
10554 if (whosays == GE_FILE) {
10555 (void) StopLoadGameTimer();
10559 /* Cancel draw offers */
10560 first.offeredDraw = second.offeredDraw = 0;
10562 /* If this is an ICS game, only ICS can really say it's done;
10563 if not, anyone can. */
10564 isIcsGame = (gameMode == IcsPlayingWhite ||
10565 gameMode == IcsPlayingBlack ||
10566 gameMode == IcsObserving ||
10567 gameMode == IcsExamining);
10569 if (!isIcsGame || whosays == GE_ICS) {
10570 /* OK -- not an ICS game, or ICS said it was done */
10572 if (!isIcsGame && !appData.noChessProgram)
10573 SetUserThinkingEnables();
10575 /* [HGM] if a machine claims the game end we verify this claim */
10576 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10577 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10579 ChessMove trueResult = (ChessMove) -1;
10581 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10582 first.twoMachinesColor[0] :
10583 second.twoMachinesColor[0] ;
10585 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10586 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10587 /* [HGM] verify: engine mate claims accepted if they were flagged */
10588 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10590 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10591 /* [HGM] verify: engine mate claims accepted if they were flagged */
10592 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10594 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10595 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10598 // now verify win claims, but not in drop games, as we don't understand those yet
10599 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10600 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10601 (result == WhiteWins && claimer == 'w' ||
10602 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10603 if (appData.debugMode) {
10604 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10605 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10607 if(result != trueResult) {
10608 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10609 result = claimer == 'w' ? BlackWins : WhiteWins;
10610 resultDetails = buf;
10613 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10614 && (forwardMostMove <= backwardMostMove ||
10615 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10616 (claimer=='b')==(forwardMostMove&1))
10618 /* [HGM] verify: draws that were not flagged are false claims */
10619 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10620 result = claimer == 'w' ? BlackWins : WhiteWins;
10621 resultDetails = buf;
10623 /* (Claiming a loss is accepted no questions asked!) */
10625 /* [HGM] bare: don't allow bare King to win */
10626 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10627 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10628 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10629 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10630 && result != GameIsDrawn)
10631 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10632 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10633 int p = (signed char)boards[forwardMostMove][i][j] - color;
10634 if(p >= 0 && p <= (int)WhiteKing) k++;
10636 if (appData.debugMode) {
10637 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10638 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10641 result = GameIsDrawn;
10642 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10643 resultDetails = buf;
10649 if(serverMoves != NULL && !loadFlag) { char c = '=';
10650 if(result==WhiteWins) c = '+';
10651 if(result==BlackWins) c = '-';
10652 if(resultDetails != NULL)
10653 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10655 if (resultDetails != NULL) {
10656 gameInfo.result = result;
10657 gameInfo.resultDetails = StrSave(resultDetails);
10659 /* display last move only if game was not loaded from file */
10660 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10661 DisplayMove(currentMove - 1);
10663 if (forwardMostMove != 0) {
10664 if (gameMode != PlayFromGameFile && gameMode != EditGame
10665 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10667 if (*appData.saveGameFile != NULLCHAR) {
10668 SaveGameToFile(appData.saveGameFile, TRUE);
10669 } else if (appData.autoSaveGames) {
10672 if (*appData.savePositionFile != NULLCHAR) {
10673 SavePositionToFile(appData.savePositionFile);
10675 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10679 /* Tell program how game ended in case it is learning */
10680 /* [HGM] Moved this to after saving the PGN, just in case */
10681 /* engine died and we got here through time loss. In that */
10682 /* case we will get a fatal error writing the pipe, which */
10683 /* would otherwise lose us the PGN. */
10684 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10685 /* output during GameEnds should never be fatal anymore */
10686 if (gameMode == MachinePlaysWhite ||
10687 gameMode == MachinePlaysBlack ||
10688 gameMode == TwoMachinesPlay ||
10689 gameMode == IcsPlayingWhite ||
10690 gameMode == IcsPlayingBlack ||
10691 gameMode == BeginningOfGame) {
10693 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10695 if (first.pr != NoProc) {
10696 SendToProgram(buf, &first);
10698 if (second.pr != NoProc &&
10699 gameMode == TwoMachinesPlay) {
10700 SendToProgram(buf, &second);
10705 if (appData.icsActive) {
10706 if (appData.quietPlay &&
10707 (gameMode == IcsPlayingWhite ||
10708 gameMode == IcsPlayingBlack)) {
10709 SendToICS(ics_prefix);
10710 SendToICS("set shout 1\n");
10712 nextGameMode = IcsIdle;
10713 ics_user_moved = FALSE;
10714 /* clean up premove. It's ugly when the game has ended and the
10715 * premove highlights are still on the board.
10718 gotPremove = FALSE;
10719 ClearPremoveHighlights();
10720 DrawPosition(FALSE, boards[currentMove]);
10722 if (whosays == GE_ICS) {
10725 if (gameMode == IcsPlayingWhite)
10727 else if(gameMode == IcsPlayingBlack)
10728 PlayIcsLossSound();
10731 if (gameMode == IcsPlayingBlack)
10733 else if(gameMode == IcsPlayingWhite)
10734 PlayIcsLossSound();
10737 PlayIcsDrawSound();
10740 PlayIcsUnfinishedSound();
10743 } else if (gameMode == EditGame ||
10744 gameMode == PlayFromGameFile ||
10745 gameMode == AnalyzeMode ||
10746 gameMode == AnalyzeFile) {
10747 nextGameMode = gameMode;
10749 nextGameMode = EndOfGame;
10754 nextGameMode = gameMode;
10757 if (appData.noChessProgram) {
10758 gameMode = nextGameMode;
10760 endingGame = 0; /* [HGM] crash */
10765 /* Put first chess program into idle state */
10766 if (first.pr != NoProc &&
10767 (gameMode == MachinePlaysWhite ||
10768 gameMode == MachinePlaysBlack ||
10769 gameMode == TwoMachinesPlay ||
10770 gameMode == IcsPlayingWhite ||
10771 gameMode == IcsPlayingBlack ||
10772 gameMode == BeginningOfGame)) {
10773 SendToProgram("force\n", &first);
10774 if (first.usePing) {
10776 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10777 SendToProgram(buf, &first);
10780 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10781 /* Kill off first chess program */
10782 if (first.isr != NULL)
10783 RemoveInputSource(first.isr);
10786 if (first.pr != NoProc) {
10788 DoSleep( appData.delayBeforeQuit );
10789 SendToProgram("quit\n", &first);
10790 DoSleep( appData.delayAfterQuit );
10791 DestroyChildProcess(first.pr, first.useSigterm);
10795 if (second.reuse) {
10796 /* Put second chess program into idle state */
10797 if (second.pr != NoProc &&
10798 gameMode == TwoMachinesPlay) {
10799 SendToProgram("force\n", &second);
10800 if (second.usePing) {
10802 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10803 SendToProgram(buf, &second);
10806 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10807 /* Kill off second chess program */
10808 if (second.isr != NULL)
10809 RemoveInputSource(second.isr);
10812 if (second.pr != NoProc) {
10813 DoSleep( appData.delayBeforeQuit );
10814 SendToProgram("quit\n", &second);
10815 DoSleep( appData.delayAfterQuit );
10816 DestroyChildProcess(second.pr, second.useSigterm);
10818 second.pr = NoProc;
10821 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10822 char resChar = '=';
10826 if (first.twoMachinesColor[0] == 'w') {
10829 second.matchWins++;
10834 if (first.twoMachinesColor[0] == 'b') {
10837 second.matchWins++;
10840 case GameUnfinished:
10846 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10847 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10848 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10849 ReserveGame(nextGame, resChar); // sets nextGame
10850 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10851 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10852 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10854 if (nextGame <= appData.matchGames && !abortMatch) {
10855 gameMode = nextGameMode;
10856 matchGame = nextGame; // this will be overruled in tourney mode!
10857 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10858 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10859 endingGame = 0; /* [HGM] crash */
10862 gameMode = nextGameMode;
10863 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10864 first.tidy, second.tidy,
10865 first.matchWins, second.matchWins,
10866 appData.matchGames - (first.matchWins + second.matchWins));
10867 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10868 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10869 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10870 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10871 first.twoMachinesColor = "black\n";
10872 second.twoMachinesColor = "white\n";
10874 first.twoMachinesColor = "white\n";
10875 second.twoMachinesColor = "black\n";
10879 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10880 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10882 gameMode = nextGameMode;
10884 endingGame = 0; /* [HGM] crash */
10885 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10886 if(matchMode == TRUE) { // match through command line: exit with or without popup
10888 ToNrEvent(forwardMostMove);
10889 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10891 } else DisplayFatalError(buf, 0, 0);
10892 } else { // match through menu; just stop, with or without popup
10893 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10896 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10897 } else DisplayNote(buf);
10899 if(ranking) free(ranking);
10903 /* Assumes program was just initialized (initString sent).
10904 Leaves program in force mode. */
10906 FeedMovesToProgram (ChessProgramState *cps, int upto)
10910 if (appData.debugMode)
10911 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10912 startedFromSetupPosition ? "position and " : "",
10913 backwardMostMove, upto, cps->which);
10914 if(currentlyInitializedVariant != gameInfo.variant) {
10916 // [HGM] variantswitch: make engine aware of new variant
10917 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10918 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10919 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10920 SendToProgram(buf, cps);
10921 currentlyInitializedVariant = gameInfo.variant;
10923 SendToProgram("force\n", cps);
10924 if (startedFromSetupPosition) {
10925 SendBoard(cps, backwardMostMove);
10926 if (appData.debugMode) {
10927 fprintf(debugFP, "feedMoves\n");
10930 for (i = backwardMostMove; i < upto; i++) {
10931 SendMoveToProgram(i, cps);
10937 ResurrectChessProgram ()
10939 /* The chess program may have exited.
10940 If so, restart it and feed it all the moves made so far. */
10941 static int doInit = 0;
10943 if (appData.noChessProgram) return 1;
10945 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10946 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10947 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10948 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10950 if (first.pr != NoProc) return 1;
10951 StartChessProgram(&first);
10953 InitChessProgram(&first, FALSE);
10954 FeedMovesToProgram(&first, currentMove);
10956 if (!first.sendTime) {
10957 /* can't tell gnuchess what its clock should read,
10958 so we bow to its notion. */
10960 timeRemaining[0][currentMove] = whiteTimeRemaining;
10961 timeRemaining[1][currentMove] = blackTimeRemaining;
10964 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10965 appData.icsEngineAnalyze) && first.analysisSupport) {
10966 SendToProgram("analyze\n", &first);
10967 first.analyzing = TRUE;
10973 * Button procedures
10976 Reset (int redraw, int init)
10980 if (appData.debugMode) {
10981 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10982 redraw, init, gameMode);
10984 CleanupTail(); // [HGM] vari: delete any stored variations
10985 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10986 pausing = pauseExamInvalid = FALSE;
10987 startedFromSetupPosition = blackPlaysFirst = FALSE;
10989 whiteFlag = blackFlag = FALSE;
10990 userOfferedDraw = FALSE;
10991 hintRequested = bookRequested = FALSE;
10992 first.maybeThinking = FALSE;
10993 second.maybeThinking = FALSE;
10994 first.bookSuspend = FALSE; // [HGM] book
10995 second.bookSuspend = FALSE;
10996 thinkOutput[0] = NULLCHAR;
10997 lastHint[0] = NULLCHAR;
10998 ClearGameInfo(&gameInfo);
10999 gameInfo.variant = StringToVariant(appData.variant);
11000 ics_user_moved = ics_clock_paused = FALSE;
11001 ics_getting_history = H_FALSE;
11003 white_holding[0] = black_holding[0] = NULLCHAR;
11004 ClearProgramStats();
11005 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11009 flipView = appData.flipView;
11010 ClearPremoveHighlights();
11011 gotPremove = FALSE;
11012 alarmSounded = FALSE;
11014 GameEnds(EndOfFile, NULL, GE_PLAYER);
11015 if(appData.serverMovesName != NULL) {
11016 /* [HGM] prepare to make moves file for broadcasting */
11017 clock_t t = clock();
11018 if(serverMoves != NULL) fclose(serverMoves);
11019 serverMoves = fopen(appData.serverMovesName, "r");
11020 if(serverMoves != NULL) {
11021 fclose(serverMoves);
11022 /* delay 15 sec before overwriting, so all clients can see end */
11023 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11025 serverMoves = fopen(appData.serverMovesName, "w");
11029 gameMode = BeginningOfGame;
11031 if(appData.icsActive) gameInfo.variant = VariantNormal;
11032 currentMove = forwardMostMove = backwardMostMove = 0;
11033 MarkTargetSquares(1);
11034 InitPosition(redraw);
11035 for (i = 0; i < MAX_MOVES; i++) {
11036 if (commentList[i] != NULL) {
11037 free(commentList[i]);
11038 commentList[i] = NULL;
11042 timeRemaining[0][0] = whiteTimeRemaining;
11043 timeRemaining[1][0] = blackTimeRemaining;
11045 if (first.pr == NoProc) {
11046 StartChessProgram(&first);
11049 InitChessProgram(&first, startedFromSetupPosition);
11052 DisplayMessage("", "");
11053 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11054 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11055 ClearMap(); // [HGM] exclude: invalidate map
11059 AutoPlayGameLoop ()
11062 if (!AutoPlayOneMove())
11064 if (matchMode || appData.timeDelay == 0)
11066 if (appData.timeDelay < 0)
11068 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11076 ReloadGame(1); // next game
11082 int fromX, fromY, toX, toY;
11084 if (appData.debugMode) {
11085 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11088 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11091 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11092 pvInfoList[currentMove].depth = programStats.depth;
11093 pvInfoList[currentMove].score = programStats.score;
11094 pvInfoList[currentMove].time = 0;
11095 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11098 if (currentMove >= forwardMostMove) {
11099 if(gameMode == AnalyzeFile) {
11100 if(appData.loadGameIndex == -1) {
11101 GameEnds(EndOfFile, NULL, GE_FILE);
11102 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11104 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11107 // gameMode = EndOfGame;
11108 // ModeHighlight();
11110 /* [AS] Clear current move marker at the end of a game */
11111 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11116 toX = moveList[currentMove][2] - AAA;
11117 toY = moveList[currentMove][3] - ONE;
11119 if (moveList[currentMove][1] == '@') {
11120 if (appData.highlightLastMove) {
11121 SetHighlights(-1, -1, toX, toY);
11124 fromX = moveList[currentMove][0] - AAA;
11125 fromY = moveList[currentMove][1] - ONE;
11127 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11129 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11131 if (appData.highlightLastMove) {
11132 SetHighlights(fromX, fromY, toX, toY);
11135 DisplayMove(currentMove);
11136 SendMoveToProgram(currentMove++, &first);
11137 DisplayBothClocks();
11138 DrawPosition(FALSE, boards[currentMove]);
11139 // [HGM] PV info: always display, routine tests if empty
11140 DisplayComment(currentMove - 1, commentList[currentMove]);
11146 LoadGameOneMove (ChessMove readAhead)
11148 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11149 char promoChar = NULLCHAR;
11150 ChessMove moveType;
11151 char move[MSG_SIZ];
11154 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11155 gameMode != AnalyzeMode && gameMode != Training) {
11160 yyboardindex = forwardMostMove;
11161 if (readAhead != EndOfFile) {
11162 moveType = readAhead;
11164 if (gameFileFP == NULL)
11166 moveType = (ChessMove) Myylex();
11170 switch (moveType) {
11172 if (appData.debugMode)
11173 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11176 /* append the comment but don't display it */
11177 AppendComment(currentMove, p, FALSE);
11180 case WhiteCapturesEnPassant:
11181 case BlackCapturesEnPassant:
11182 case WhitePromotion:
11183 case BlackPromotion:
11184 case WhiteNonPromotion:
11185 case BlackNonPromotion:
11187 case WhiteKingSideCastle:
11188 case WhiteQueenSideCastle:
11189 case BlackKingSideCastle:
11190 case BlackQueenSideCastle:
11191 case WhiteKingSideCastleWild:
11192 case WhiteQueenSideCastleWild:
11193 case BlackKingSideCastleWild:
11194 case BlackQueenSideCastleWild:
11196 case WhiteHSideCastleFR:
11197 case WhiteASideCastleFR:
11198 case BlackHSideCastleFR:
11199 case BlackASideCastleFR:
11201 if (appData.debugMode)
11202 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11203 fromX = currentMoveString[0] - AAA;
11204 fromY = currentMoveString[1] - ONE;
11205 toX = currentMoveString[2] - AAA;
11206 toY = currentMoveString[3] - ONE;
11207 promoChar = currentMoveString[4];
11212 if (appData.debugMode)
11213 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11214 fromX = moveType == WhiteDrop ?
11215 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11216 (int) CharToPiece(ToLower(currentMoveString[0]));
11218 toX = currentMoveString[2] - AAA;
11219 toY = currentMoveString[3] - ONE;
11225 case GameUnfinished:
11226 if (appData.debugMode)
11227 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11228 p = strchr(yy_text, '{');
11229 if (p == NULL) p = strchr(yy_text, '(');
11232 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11234 q = strchr(p, *p == '{' ? '}' : ')');
11235 if (q != NULL) *q = NULLCHAR;
11238 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11239 GameEnds(moveType, p, GE_FILE);
11241 if (cmailMsgLoaded) {
11243 flipView = WhiteOnMove(currentMove);
11244 if (moveType == GameUnfinished) flipView = !flipView;
11245 if (appData.debugMode)
11246 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11251 if (appData.debugMode)
11252 fprintf(debugFP, "Parser hit end of file\n");
11253 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11259 if (WhiteOnMove(currentMove)) {
11260 GameEnds(BlackWins, "Black mates", GE_FILE);
11262 GameEnds(WhiteWins, "White mates", GE_FILE);
11266 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11272 case MoveNumberOne:
11273 if (lastLoadGameStart == GNUChessGame) {
11274 /* GNUChessGames have numbers, but they aren't move numbers */
11275 if (appData.debugMode)
11276 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11277 yy_text, (int) moveType);
11278 return LoadGameOneMove(EndOfFile); /* tail recursion */
11280 /* else fall thru */
11285 /* Reached start of next game in file */
11286 if (appData.debugMode)
11287 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11288 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11294 if (WhiteOnMove(currentMove)) {
11295 GameEnds(BlackWins, "Black mates", GE_FILE);
11297 GameEnds(WhiteWins, "White mates", GE_FILE);
11301 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11307 case PositionDiagram: /* should not happen; ignore */
11308 case ElapsedTime: /* ignore */
11309 case NAG: /* ignore */
11310 if (appData.debugMode)
11311 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11312 yy_text, (int) moveType);
11313 return LoadGameOneMove(EndOfFile); /* tail recursion */
11316 if (appData.testLegality) {
11317 if (appData.debugMode)
11318 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11319 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11320 (forwardMostMove / 2) + 1,
11321 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11322 DisplayError(move, 0);
11325 if (appData.debugMode)
11326 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11327 yy_text, currentMoveString);
11328 fromX = currentMoveString[0] - AAA;
11329 fromY = currentMoveString[1] - ONE;
11330 toX = currentMoveString[2] - AAA;
11331 toY = currentMoveString[3] - ONE;
11332 promoChar = currentMoveString[4];
11336 case AmbiguousMove:
11337 if (appData.debugMode)
11338 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11339 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11340 (forwardMostMove / 2) + 1,
11341 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11342 DisplayError(move, 0);
11347 case ImpossibleMove:
11348 if (appData.debugMode)
11349 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11350 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11351 (forwardMostMove / 2) + 1,
11352 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11353 DisplayError(move, 0);
11359 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11360 DrawPosition(FALSE, boards[currentMove]);
11361 DisplayBothClocks();
11362 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11363 DisplayComment(currentMove - 1, commentList[currentMove]);
11365 (void) StopLoadGameTimer();
11367 cmailOldMove = forwardMostMove;
11370 /* currentMoveString is set as a side-effect of yylex */
11372 thinkOutput[0] = NULLCHAR;
11373 MakeMove(fromX, fromY, toX, toY, promoChar);
11374 currentMove = forwardMostMove;
11379 /* Load the nth game from the given file */
11381 LoadGameFromFile (char *filename, int n, char *title, int useList)
11386 if (strcmp(filename, "-") == 0) {
11390 f = fopen(filename, "rb");
11392 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11393 DisplayError(buf, errno);
11397 if (fseek(f, 0, 0) == -1) {
11398 /* f is not seekable; probably a pipe */
11401 if (useList && n == 0) {
11402 int error = GameListBuild(f);
11404 DisplayError(_("Cannot build game list"), error);
11405 } else if (!ListEmpty(&gameList) &&
11406 ((ListGame *) gameList.tailPred)->number > 1) {
11407 GameListPopUp(f, title);
11414 return LoadGame(f, n, title, FALSE);
11419 MakeRegisteredMove ()
11421 int fromX, fromY, toX, toY;
11423 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11424 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11427 if (appData.debugMode)
11428 fprintf(debugFP, "Restoring %s for game %d\n",
11429 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11431 thinkOutput[0] = NULLCHAR;
11432 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11433 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11434 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11435 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11436 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11437 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11438 MakeMove(fromX, fromY, toX, toY, promoChar);
11439 ShowMove(fromX, fromY, toX, toY);
11441 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11448 if (WhiteOnMove(currentMove)) {
11449 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11451 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11456 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11463 if (WhiteOnMove(currentMove)) {
11464 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11466 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11471 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11482 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11484 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11488 if (gameNumber > nCmailGames) {
11489 DisplayError(_("No more games in this message"), 0);
11492 if (f == lastLoadGameFP) {
11493 int offset = gameNumber - lastLoadGameNumber;
11495 cmailMsg[0] = NULLCHAR;
11496 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11497 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11498 nCmailMovesRegistered--;
11500 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11501 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11502 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11505 if (! RegisterMove()) return FALSE;
11509 retVal = LoadGame(f, gameNumber, title, useList);
11511 /* Make move registered during previous look at this game, if any */
11512 MakeRegisteredMove();
11514 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11515 commentList[currentMove]
11516 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11517 DisplayComment(currentMove - 1, commentList[currentMove]);
11523 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11525 ReloadGame (int offset)
11527 int gameNumber = lastLoadGameNumber + offset;
11528 if (lastLoadGameFP == NULL) {
11529 DisplayError(_("No game has been loaded yet"), 0);
11532 if (gameNumber <= 0) {
11533 DisplayError(_("Can't back up any further"), 0);
11536 if (cmailMsgLoaded) {
11537 return CmailLoadGame(lastLoadGameFP, gameNumber,
11538 lastLoadGameTitle, lastLoadGameUseList);
11540 return LoadGame(lastLoadGameFP, gameNumber,
11541 lastLoadGameTitle, lastLoadGameUseList);
11545 int keys[EmptySquare+1];
11548 PositionMatches (Board b1, Board b2)
11551 switch(appData.searchMode) {
11552 case 1: return CompareWithRights(b1, b2);
11554 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11555 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11559 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11560 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11561 sum += keys[b1[r][f]] - keys[b2[r][f]];
11565 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11566 sum += keys[b1[r][f]] - keys[b2[r][f]];
11578 int pieceList[256], quickBoard[256];
11579 ChessSquare pieceType[256] = { EmptySquare };
11580 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11581 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11582 int soughtTotal, turn;
11583 Boolean epOK, flipSearch;
11586 unsigned char piece, to;
11589 #define DSIZE (250000)
11591 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11592 Move *moveDatabase = initialSpace;
11593 unsigned int movePtr, dataSize = DSIZE;
11596 MakePieceList (Board board, int *counts)
11598 int r, f, n=Q_PROMO, total=0;
11599 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11600 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11601 int sq = f + (r<<4);
11602 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11603 quickBoard[sq] = ++n;
11605 pieceType[n] = board[r][f];
11606 counts[board[r][f]]++;
11607 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11608 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11612 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11617 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11619 int sq = fromX + (fromY<<4);
11620 int piece = quickBoard[sq];
11621 quickBoard[sq] = 0;
11622 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11623 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11624 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11625 moveDatabase[movePtr++].piece = Q_WCASTL;
11626 quickBoard[sq] = piece;
11627 piece = quickBoard[from]; quickBoard[from] = 0;
11628 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11630 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11631 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11632 moveDatabase[movePtr++].piece = Q_BCASTL;
11633 quickBoard[sq] = piece;
11634 piece = quickBoard[from]; quickBoard[from] = 0;
11635 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11637 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11638 quickBoard[(fromY<<4)+toX] = 0;
11639 moveDatabase[movePtr].piece = Q_EP;
11640 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11641 moveDatabase[movePtr].to = sq;
11643 if(promoPiece != pieceType[piece]) {
11644 moveDatabase[movePtr++].piece = Q_PROMO;
11645 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11647 moveDatabase[movePtr].piece = piece;
11648 quickBoard[sq] = piece;
11653 PackGame (Board board)
11655 Move *newSpace = NULL;
11656 moveDatabase[movePtr].piece = 0; // terminate previous game
11657 if(movePtr > dataSize) {
11658 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11659 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11660 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11663 Move *p = moveDatabase, *q = newSpace;
11664 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11665 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11666 moveDatabase = newSpace;
11667 } else { // calloc failed, we must be out of memory. Too bad...
11668 dataSize = 0; // prevent calloc events for all subsequent games
11669 return 0; // and signal this one isn't cached
11673 MakePieceList(board, counts);
11678 QuickCompare (Board board, int *minCounts, int *maxCounts)
11679 { // compare according to search mode
11681 switch(appData.searchMode)
11683 case 1: // exact position match
11684 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11685 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11686 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11689 case 2: // can have extra material on empty squares
11690 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11691 if(board[r][f] == EmptySquare) continue;
11692 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11695 case 3: // material with exact Pawn structure
11696 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11697 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11698 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11699 } // fall through to material comparison
11700 case 4: // exact material
11701 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11703 case 6: // material range with given imbalance
11704 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11705 // fall through to range comparison
11706 case 5: // material range
11707 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11713 QuickScan (Board board, Move *move)
11714 { // reconstruct game,and compare all positions in it
11715 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11717 int piece = move->piece;
11718 int to = move->to, from = pieceList[piece];
11719 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11720 if(!piece) return -1;
11721 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11722 piece = (++move)->piece;
11723 from = pieceList[piece];
11724 counts[pieceType[piece]]--;
11725 pieceType[piece] = (ChessSquare) move->to;
11726 counts[move->to]++;
11727 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11728 counts[pieceType[quickBoard[to]]]--;
11729 quickBoard[to] = 0; total--;
11732 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11733 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11734 from = pieceList[piece]; // so this must be King
11735 quickBoard[from] = 0;
11736 pieceList[piece] = to;
11737 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11738 quickBoard[from] = 0; // rook
11739 quickBoard[to] = piece;
11740 to = move->to; piece = move->piece;
11744 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11745 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11746 quickBoard[from] = 0;
11748 quickBoard[to] = piece;
11749 pieceList[piece] = to;
11751 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11752 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11753 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11754 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11756 static int lastCounts[EmptySquare+1];
11758 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11759 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11760 } else stretch = 0;
11761 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11770 flipSearch = FALSE;
11771 CopyBoard(soughtBoard, boards[currentMove]);
11772 soughtTotal = MakePieceList(soughtBoard, maxSought);
11773 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11774 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11775 CopyBoard(reverseBoard, boards[currentMove]);
11776 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11777 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11778 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11779 reverseBoard[r][f] = piece;
11781 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11782 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11783 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11784 || (boards[currentMove][CASTLING][2] == NoRights ||
11785 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11786 && (boards[currentMove][CASTLING][5] == NoRights ||
11787 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11790 CopyBoard(flipBoard, soughtBoard);
11791 CopyBoard(rotateBoard, reverseBoard);
11792 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11793 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11794 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11797 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11798 if(appData.searchMode >= 5) {
11799 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11800 MakePieceList(soughtBoard, minSought);
11801 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11803 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11804 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11807 GameInfo dummyInfo;
11808 static int creatingBook;
11811 GameContainsPosition (FILE *f, ListGame *lg)
11813 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11814 int fromX, fromY, toX, toY;
11816 static int initDone=FALSE;
11818 // weed out games based on numerical tag comparison
11819 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11820 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11821 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11822 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11824 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11827 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11828 else CopyBoard(boards[scratch], initialPosition); // default start position
11831 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11832 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11835 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11836 fseek(f, lg->offset, 0);
11839 yyboardindex = scratch;
11840 quickFlag = plyNr+1;
11845 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11851 if(plyNr) return -1; // after we have seen moves, this is for new game
11854 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11855 case ImpossibleMove:
11856 case WhiteWins: // game ends here with these four
11859 case GameUnfinished:
11863 if(appData.testLegality) return -1;
11864 case WhiteCapturesEnPassant:
11865 case BlackCapturesEnPassant:
11866 case WhitePromotion:
11867 case BlackPromotion:
11868 case WhiteNonPromotion:
11869 case BlackNonPromotion:
11871 case WhiteKingSideCastle:
11872 case WhiteQueenSideCastle:
11873 case BlackKingSideCastle:
11874 case BlackQueenSideCastle:
11875 case WhiteKingSideCastleWild:
11876 case WhiteQueenSideCastleWild:
11877 case BlackKingSideCastleWild:
11878 case BlackQueenSideCastleWild:
11879 case WhiteHSideCastleFR:
11880 case WhiteASideCastleFR:
11881 case BlackHSideCastleFR:
11882 case BlackASideCastleFR:
11883 fromX = currentMoveString[0] - AAA;
11884 fromY = currentMoveString[1] - ONE;
11885 toX = currentMoveString[2] - AAA;
11886 toY = currentMoveString[3] - ONE;
11887 promoChar = currentMoveString[4];
11891 fromX = next == WhiteDrop ?
11892 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11893 (int) CharToPiece(ToLower(currentMoveString[0]));
11895 toX = currentMoveString[2] - AAA;
11896 toY = currentMoveString[3] - ONE;
11900 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11902 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11903 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11904 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11905 if(appData.findMirror) {
11906 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11907 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11912 /* Load the nth game from open file f */
11914 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11918 int gn = gameNumber;
11919 ListGame *lg = NULL;
11920 int numPGNTags = 0;
11922 GameMode oldGameMode;
11923 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11925 if (appData.debugMode)
11926 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11928 if (gameMode == Training )
11929 SetTrainingModeOff();
11931 oldGameMode = gameMode;
11932 if (gameMode != BeginningOfGame) {
11933 Reset(FALSE, TRUE);
11937 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11938 fclose(lastLoadGameFP);
11942 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11945 fseek(f, lg->offset, 0);
11946 GameListHighlight(gameNumber);
11947 pos = lg->position;
11951 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
11952 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
11954 DisplayError(_("Game number out of range"), 0);
11959 if (fseek(f, 0, 0) == -1) {
11960 if (f == lastLoadGameFP ?
11961 gameNumber == lastLoadGameNumber + 1 :
11965 DisplayError(_("Can't seek on game file"), 0);
11970 lastLoadGameFP = f;
11971 lastLoadGameNumber = gameNumber;
11972 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11973 lastLoadGameUseList = useList;
11977 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11978 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11979 lg->gameInfo.black);
11981 } else if (*title != NULLCHAR) {
11982 if (gameNumber > 1) {
11983 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11986 DisplayTitle(title);
11990 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11991 gameMode = PlayFromGameFile;
11995 currentMove = forwardMostMove = backwardMostMove = 0;
11996 CopyBoard(boards[0], initialPosition);
12000 * Skip the first gn-1 games in the file.
12001 * Also skip over anything that precedes an identifiable
12002 * start of game marker, to avoid being confused by
12003 * garbage at the start of the file. Currently
12004 * recognized start of game markers are the move number "1",
12005 * the pattern "gnuchess .* game", the pattern
12006 * "^[#;%] [^ ]* game file", and a PGN tag block.
12007 * A game that starts with one of the latter two patterns
12008 * will also have a move number 1, possibly
12009 * following a position diagram.
12010 * 5-4-02: Let's try being more lenient and allowing a game to
12011 * start with an unnumbered move. Does that break anything?
12013 cm = lastLoadGameStart = EndOfFile;
12015 yyboardindex = forwardMostMove;
12016 cm = (ChessMove) Myylex();
12019 if (cmailMsgLoaded) {
12020 nCmailGames = CMAIL_MAX_GAMES - gn;
12023 DisplayError(_("Game not found in file"), 0);
12030 lastLoadGameStart = cm;
12033 case MoveNumberOne:
12034 switch (lastLoadGameStart) {
12039 case MoveNumberOne:
12041 gn--; /* count this game */
12042 lastLoadGameStart = cm;
12051 switch (lastLoadGameStart) {
12054 case MoveNumberOne:
12056 gn--; /* count this game */
12057 lastLoadGameStart = cm;
12060 lastLoadGameStart = cm; /* game counted already */
12068 yyboardindex = forwardMostMove;
12069 cm = (ChessMove) Myylex();
12070 } while (cm == PGNTag || cm == Comment);
12077 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12078 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12079 != CMAIL_OLD_RESULT) {
12081 cmailResult[ CMAIL_MAX_GAMES
12082 - gn - 1] = CMAIL_OLD_RESULT;
12088 /* Only a NormalMove can be at the start of a game
12089 * without a position diagram. */
12090 if (lastLoadGameStart == EndOfFile ) {
12092 lastLoadGameStart = MoveNumberOne;
12101 if (appData.debugMode)
12102 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12104 if (cm == XBoardGame) {
12105 /* Skip any header junk before position diagram and/or move 1 */
12107 yyboardindex = forwardMostMove;
12108 cm = (ChessMove) Myylex();
12110 if (cm == EndOfFile ||
12111 cm == GNUChessGame || cm == XBoardGame) {
12112 /* Empty game; pretend end-of-file and handle later */
12117 if (cm == MoveNumberOne || cm == PositionDiagram ||
12118 cm == PGNTag || cm == Comment)
12121 } else if (cm == GNUChessGame) {
12122 if (gameInfo.event != NULL) {
12123 free(gameInfo.event);
12125 gameInfo.event = StrSave(yy_text);
12128 startedFromSetupPosition = FALSE;
12129 while (cm == PGNTag) {
12130 if (appData.debugMode)
12131 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12132 err = ParsePGNTag(yy_text, &gameInfo);
12133 if (!err) numPGNTags++;
12135 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12136 if(gameInfo.variant != oldVariant) {
12137 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12138 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12139 InitPosition(TRUE);
12140 oldVariant = gameInfo.variant;
12141 if (appData.debugMode)
12142 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12146 if (gameInfo.fen != NULL) {
12147 Board initial_position;
12148 startedFromSetupPosition = TRUE;
12149 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12151 DisplayError(_("Bad FEN position in file"), 0);
12154 CopyBoard(boards[0], initial_position);
12155 if (blackPlaysFirst) {
12156 currentMove = forwardMostMove = backwardMostMove = 1;
12157 CopyBoard(boards[1], initial_position);
12158 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12159 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12160 timeRemaining[0][1] = whiteTimeRemaining;
12161 timeRemaining[1][1] = blackTimeRemaining;
12162 if (commentList[0] != NULL) {
12163 commentList[1] = commentList[0];
12164 commentList[0] = NULL;
12167 currentMove = forwardMostMove = backwardMostMove = 0;
12169 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12171 initialRulePlies = FENrulePlies;
12172 for( i=0; i< nrCastlingRights; i++ )
12173 initialRights[i] = initial_position[CASTLING][i];
12175 yyboardindex = forwardMostMove;
12176 free(gameInfo.fen);
12177 gameInfo.fen = NULL;
12180 yyboardindex = forwardMostMove;
12181 cm = (ChessMove) Myylex();
12183 /* Handle comments interspersed among the tags */
12184 while (cm == Comment) {
12186 if (appData.debugMode)
12187 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12189 AppendComment(currentMove, p, FALSE);
12190 yyboardindex = forwardMostMove;
12191 cm = (ChessMove) Myylex();
12195 /* don't rely on existence of Event tag since if game was
12196 * pasted from clipboard the Event tag may not exist
12198 if (numPGNTags > 0){
12200 if (gameInfo.variant == VariantNormal) {
12201 VariantClass v = StringToVariant(gameInfo.event);
12202 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12203 if(v < VariantShogi) gameInfo.variant = v;
12206 if( appData.autoDisplayTags ) {
12207 tags = PGNTags(&gameInfo);
12208 TagsPopUp(tags, CmailMsg());
12213 /* Make something up, but don't display it now */
12218 if (cm == PositionDiagram) {
12221 Board initial_position;
12223 if (appData.debugMode)
12224 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12226 if (!startedFromSetupPosition) {
12228 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12229 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12240 initial_position[i][j++] = CharToPiece(*p);
12243 while (*p == ' ' || *p == '\t' ||
12244 *p == '\n' || *p == '\r') p++;
12246 if (strncmp(p, "black", strlen("black"))==0)
12247 blackPlaysFirst = TRUE;
12249 blackPlaysFirst = FALSE;
12250 startedFromSetupPosition = TRUE;
12252 CopyBoard(boards[0], initial_position);
12253 if (blackPlaysFirst) {
12254 currentMove = forwardMostMove = backwardMostMove = 1;
12255 CopyBoard(boards[1], initial_position);
12256 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12257 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12258 timeRemaining[0][1] = whiteTimeRemaining;
12259 timeRemaining[1][1] = blackTimeRemaining;
12260 if (commentList[0] != NULL) {
12261 commentList[1] = commentList[0];
12262 commentList[0] = NULL;
12265 currentMove = forwardMostMove = backwardMostMove = 0;
12268 yyboardindex = forwardMostMove;
12269 cm = (ChessMove) Myylex();
12272 if(!creatingBook) {
12273 if (first.pr == NoProc) {
12274 StartChessProgram(&first);
12276 InitChessProgram(&first, FALSE);
12277 SendToProgram("force\n", &first);
12278 if (startedFromSetupPosition) {
12279 SendBoard(&first, forwardMostMove);
12280 if (appData.debugMode) {
12281 fprintf(debugFP, "Load Game\n");
12283 DisplayBothClocks();
12287 /* [HGM] server: flag to write setup moves in broadcast file as one */
12288 loadFlag = appData.suppressLoadMoves;
12290 while (cm == Comment) {
12292 if (appData.debugMode)
12293 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12295 AppendComment(currentMove, p, FALSE);
12296 yyboardindex = forwardMostMove;
12297 cm = (ChessMove) Myylex();
12300 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12301 cm == WhiteWins || cm == BlackWins ||
12302 cm == GameIsDrawn || cm == GameUnfinished) {
12303 DisplayMessage("", _("No moves in game"));
12304 if (cmailMsgLoaded) {
12305 if (appData.debugMode)
12306 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12310 DrawPosition(FALSE, boards[currentMove]);
12311 DisplayBothClocks();
12312 gameMode = EditGame;
12319 // [HGM] PV info: routine tests if comment empty
12320 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12321 DisplayComment(currentMove - 1, commentList[currentMove]);
12323 if (!matchMode && appData.timeDelay != 0)
12324 DrawPosition(FALSE, boards[currentMove]);
12326 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12327 programStats.ok_to_send = 1;
12330 /* if the first token after the PGN tags is a move
12331 * and not move number 1, retrieve it from the parser
12333 if (cm != MoveNumberOne)
12334 LoadGameOneMove(cm);
12336 /* load the remaining moves from the file */
12337 while (LoadGameOneMove(EndOfFile)) {
12338 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12339 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12342 /* rewind to the start of the game */
12343 currentMove = backwardMostMove;
12345 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12347 if (oldGameMode == AnalyzeFile ||
12348 oldGameMode == AnalyzeMode) {
12349 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12350 AnalyzeFileEvent();
12353 if(creatingBook) return TRUE;
12354 if (!matchMode && pos > 0) {
12355 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12357 if (matchMode || appData.timeDelay == 0) {
12359 } else if (appData.timeDelay > 0) {
12360 AutoPlayGameLoop();
12363 if (appData.debugMode)
12364 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12366 loadFlag = 0; /* [HGM] true game starts */
12370 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12372 ReloadPosition (int offset)
12374 int positionNumber = lastLoadPositionNumber + offset;
12375 if (lastLoadPositionFP == NULL) {
12376 DisplayError(_("No position has been loaded yet"), 0);
12379 if (positionNumber <= 0) {
12380 DisplayError(_("Can't back up any further"), 0);
12383 return LoadPosition(lastLoadPositionFP, positionNumber,
12384 lastLoadPositionTitle);
12387 /* Load the nth position from the given file */
12389 LoadPositionFromFile (char *filename, int n, char *title)
12394 if (strcmp(filename, "-") == 0) {
12395 return LoadPosition(stdin, n, "stdin");
12397 f = fopen(filename, "rb");
12399 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12400 DisplayError(buf, errno);
12403 return LoadPosition(f, n, title);
12408 /* Load the nth position from the given open file, and close it */
12410 LoadPosition (FILE *f, int positionNumber, char *title)
12412 char *p, line[MSG_SIZ];
12413 Board initial_position;
12414 int i, j, fenMode, pn;
12416 if (gameMode == Training )
12417 SetTrainingModeOff();
12419 if (gameMode != BeginningOfGame) {
12420 Reset(FALSE, TRUE);
12422 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12423 fclose(lastLoadPositionFP);
12425 if (positionNumber == 0) positionNumber = 1;
12426 lastLoadPositionFP = f;
12427 lastLoadPositionNumber = positionNumber;
12428 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12429 if (first.pr == NoProc && !appData.noChessProgram) {
12430 StartChessProgram(&first);
12431 InitChessProgram(&first, FALSE);
12433 pn = positionNumber;
12434 if (positionNumber < 0) {
12435 /* Negative position number means to seek to that byte offset */
12436 if (fseek(f, -positionNumber, 0) == -1) {
12437 DisplayError(_("Can't seek on position file"), 0);
12442 if (fseek(f, 0, 0) == -1) {
12443 if (f == lastLoadPositionFP ?
12444 positionNumber == lastLoadPositionNumber + 1 :
12445 positionNumber == 1) {
12448 DisplayError(_("Can't seek on position file"), 0);
12453 /* See if this file is FEN or old-style xboard */
12454 if (fgets(line, MSG_SIZ, f) == NULL) {
12455 DisplayError(_("Position not found in file"), 0);
12458 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12459 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12462 if (fenMode || line[0] == '#') pn--;
12464 /* skip positions before number pn */
12465 if (fgets(line, MSG_SIZ, f) == NULL) {
12467 DisplayError(_("Position not found in file"), 0);
12470 if (fenMode || line[0] == '#') pn--;
12475 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12476 DisplayError(_("Bad FEN position in file"), 0);
12480 (void) fgets(line, MSG_SIZ, f);
12481 (void) fgets(line, MSG_SIZ, f);
12483 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12484 (void) fgets(line, MSG_SIZ, f);
12485 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12488 initial_position[i][j++] = CharToPiece(*p);
12492 blackPlaysFirst = FALSE;
12494 (void) fgets(line, MSG_SIZ, f);
12495 if (strncmp(line, "black", strlen("black"))==0)
12496 blackPlaysFirst = TRUE;
12499 startedFromSetupPosition = TRUE;
12501 CopyBoard(boards[0], initial_position);
12502 if (blackPlaysFirst) {
12503 currentMove = forwardMostMove = backwardMostMove = 1;
12504 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12505 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12506 CopyBoard(boards[1], initial_position);
12507 DisplayMessage("", _("Black to play"));
12509 currentMove = forwardMostMove = backwardMostMove = 0;
12510 DisplayMessage("", _("White to play"));
12512 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12513 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12514 SendToProgram("force\n", &first);
12515 SendBoard(&first, forwardMostMove);
12517 if (appData.debugMode) {
12519 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12520 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12521 fprintf(debugFP, "Load Position\n");
12524 if (positionNumber > 1) {
12525 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12526 DisplayTitle(line);
12528 DisplayTitle(title);
12530 gameMode = EditGame;
12533 timeRemaining[0][1] = whiteTimeRemaining;
12534 timeRemaining[1][1] = blackTimeRemaining;
12535 DrawPosition(FALSE, boards[currentMove]);
12542 CopyPlayerNameIntoFileName (char **dest, char *src)
12544 while (*src != NULLCHAR && *src != ',') {
12549 *(*dest)++ = *src++;
12555 DefaultFileName (char *ext)
12557 static char def[MSG_SIZ];
12560 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12562 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12564 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12566 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12573 /* Save the current game to the given file */
12575 SaveGameToFile (char *filename, int append)
12579 int result, i, t,tot=0;
12581 if (strcmp(filename, "-") == 0) {
12582 return SaveGame(stdout, 0, NULL);
12584 for(i=0; i<10; i++) { // upto 10 tries
12585 f = fopen(filename, append ? "a" : "w");
12586 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12587 if(f || errno != 13) break;
12588 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12592 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12593 DisplayError(buf, errno);
12596 safeStrCpy(buf, lastMsg, MSG_SIZ);
12597 DisplayMessage(_("Waiting for access to save file"), "");
12598 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12599 DisplayMessage(_("Saving game"), "");
12600 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12601 result = SaveGame(f, 0, NULL);
12602 DisplayMessage(buf, "");
12609 SavePart (char *str)
12611 static char buf[MSG_SIZ];
12614 p = strchr(str, ' ');
12615 if (p == NULL) return str;
12616 strncpy(buf, str, p - str);
12617 buf[p - str] = NULLCHAR;
12621 #define PGN_MAX_LINE 75
12623 #define PGN_SIDE_WHITE 0
12624 #define PGN_SIDE_BLACK 1
12627 FindFirstMoveOutOfBook (int side)
12631 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12632 int index = backwardMostMove;
12633 int has_book_hit = 0;
12635 if( (index % 2) != side ) {
12639 while( index < forwardMostMove ) {
12640 /* Check to see if engine is in book */
12641 int depth = pvInfoList[index].depth;
12642 int score = pvInfoList[index].score;
12648 else if( score == 0 && depth == 63 ) {
12649 in_book = 1; /* Zappa */
12651 else if( score == 2 && depth == 99 ) {
12652 in_book = 1; /* Abrok */
12655 has_book_hit += in_book;
12671 GetOutOfBookInfo (char * buf)
12675 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12677 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12678 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12682 if( oob[0] >= 0 || oob[1] >= 0 ) {
12683 for( i=0; i<2; i++ ) {
12687 if( i > 0 && oob[0] >= 0 ) {
12688 strcat( buf, " " );
12691 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12692 sprintf( buf+strlen(buf), "%s%.2f",
12693 pvInfoList[idx].score >= 0 ? "+" : "",
12694 pvInfoList[idx].score / 100.0 );
12700 /* Save game in PGN style and close the file */
12702 SaveGamePGN (FILE *f)
12704 int i, offset, linelen, newblock;
12707 int movelen, numlen, blank;
12708 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12710 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12712 PrintPGNTags(f, &gameInfo);
12714 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12716 if (backwardMostMove > 0 || startedFromSetupPosition) {
12717 char *fen = PositionToFEN(backwardMostMove, NULL);
12718 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12719 fprintf(f, "\n{--------------\n");
12720 PrintPosition(f, backwardMostMove);
12721 fprintf(f, "--------------}\n");
12725 /* [AS] Out of book annotation */
12726 if( appData.saveOutOfBookInfo ) {
12729 GetOutOfBookInfo( buf );
12731 if( buf[0] != '\0' ) {
12732 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12739 i = backwardMostMove;
12743 while (i < forwardMostMove) {
12744 /* Print comments preceding this move */
12745 if (commentList[i] != NULL) {
12746 if (linelen > 0) fprintf(f, "\n");
12747 fprintf(f, "%s", commentList[i]);
12752 /* Format move number */
12754 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12757 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12759 numtext[0] = NULLCHAR;
12761 numlen = strlen(numtext);
12764 /* Print move number */
12765 blank = linelen > 0 && numlen > 0;
12766 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12775 fprintf(f, "%s", numtext);
12779 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12780 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12783 blank = linelen > 0 && movelen > 0;
12784 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12793 fprintf(f, "%s", move_buffer);
12794 linelen += movelen;
12796 /* [AS] Add PV info if present */
12797 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12798 /* [HGM] add time */
12799 char buf[MSG_SIZ]; int seconds;
12801 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12807 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12810 seconds = (seconds + 4)/10; // round to full seconds
12812 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12814 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12817 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12818 pvInfoList[i].score >= 0 ? "+" : "",
12819 pvInfoList[i].score / 100.0,
12820 pvInfoList[i].depth,
12823 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12825 /* Print score/depth */
12826 blank = linelen > 0 && movelen > 0;
12827 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12836 fprintf(f, "%s", move_buffer);
12837 linelen += movelen;
12843 /* Start a new line */
12844 if (linelen > 0) fprintf(f, "\n");
12846 /* Print comments after last move */
12847 if (commentList[i] != NULL) {
12848 fprintf(f, "%s\n", commentList[i]);
12852 if (gameInfo.resultDetails != NULL &&
12853 gameInfo.resultDetails[0] != NULLCHAR) {
12854 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12855 PGNResult(gameInfo.result));
12857 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12861 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12865 /* Save game in old style and close the file */
12867 SaveGameOldStyle (FILE *f)
12872 tm = time((time_t *) NULL);
12874 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12877 if (backwardMostMove > 0 || startedFromSetupPosition) {
12878 fprintf(f, "\n[--------------\n");
12879 PrintPosition(f, backwardMostMove);
12880 fprintf(f, "--------------]\n");
12885 i = backwardMostMove;
12886 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12888 while (i < forwardMostMove) {
12889 if (commentList[i] != NULL) {
12890 fprintf(f, "[%s]\n", commentList[i]);
12893 if ((i % 2) == 1) {
12894 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12897 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12899 if (commentList[i] != NULL) {
12903 if (i >= forwardMostMove) {
12907 fprintf(f, "%s\n", parseList[i]);
12912 if (commentList[i] != NULL) {
12913 fprintf(f, "[%s]\n", commentList[i]);
12916 /* This isn't really the old style, but it's close enough */
12917 if (gameInfo.resultDetails != NULL &&
12918 gameInfo.resultDetails[0] != NULLCHAR) {
12919 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12920 gameInfo.resultDetails);
12922 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12929 /* Save the current game to open file f and close the file */
12931 SaveGame (FILE *f, int dummy, char *dummy2)
12933 if (gameMode == EditPosition) EditPositionDone(TRUE);
12934 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12935 if (appData.oldSaveStyle)
12936 return SaveGameOldStyle(f);
12938 return SaveGamePGN(f);
12941 /* Save the current position to the given file */
12943 SavePositionToFile (char *filename)
12948 if (strcmp(filename, "-") == 0) {
12949 return SavePosition(stdout, 0, NULL);
12951 f = fopen(filename, "a");
12953 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12954 DisplayError(buf, errno);
12957 safeStrCpy(buf, lastMsg, MSG_SIZ);
12958 DisplayMessage(_("Waiting for access to save file"), "");
12959 flock(fileno(f), LOCK_EX); // [HGM] lock
12960 DisplayMessage(_("Saving position"), "");
12961 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12962 SavePosition(f, 0, NULL);
12963 DisplayMessage(buf, "");
12969 /* Save the current position to the given open file and close the file */
12971 SavePosition (FILE *f, int dummy, char *dummy2)
12976 if (gameMode == EditPosition) EditPositionDone(TRUE);
12977 if (appData.oldSaveStyle) {
12978 tm = time((time_t *) NULL);
12980 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12982 fprintf(f, "[--------------\n");
12983 PrintPosition(f, currentMove);
12984 fprintf(f, "--------------]\n");
12986 fen = PositionToFEN(currentMove, NULL);
12987 fprintf(f, "%s\n", fen);
12995 ReloadCmailMsgEvent (int unregister)
12998 static char *inFilename = NULL;
12999 static char *outFilename;
13001 struct stat inbuf, outbuf;
13004 /* Any registered moves are unregistered if unregister is set, */
13005 /* i.e. invoked by the signal handler */
13007 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13008 cmailMoveRegistered[i] = FALSE;
13009 if (cmailCommentList[i] != NULL) {
13010 free(cmailCommentList[i]);
13011 cmailCommentList[i] = NULL;
13014 nCmailMovesRegistered = 0;
13017 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13018 cmailResult[i] = CMAIL_NOT_RESULT;
13022 if (inFilename == NULL) {
13023 /* Because the filenames are static they only get malloced once */
13024 /* and they never get freed */
13025 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13026 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13028 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13029 sprintf(outFilename, "%s.out", appData.cmailGameName);
13032 status = stat(outFilename, &outbuf);
13034 cmailMailedMove = FALSE;
13036 status = stat(inFilename, &inbuf);
13037 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13040 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13041 counts the games, notes how each one terminated, etc.
13043 It would be nice to remove this kludge and instead gather all
13044 the information while building the game list. (And to keep it
13045 in the game list nodes instead of having a bunch of fixed-size
13046 parallel arrays.) Note this will require getting each game's
13047 termination from the PGN tags, as the game list builder does
13048 not process the game moves. --mann
13050 cmailMsgLoaded = TRUE;
13051 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13053 /* Load first game in the file or popup game menu */
13054 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13056 #endif /* !WIN32 */
13064 char string[MSG_SIZ];
13066 if ( cmailMailedMove
13067 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13068 return TRUE; /* Allow free viewing */
13071 /* Unregister move to ensure that we don't leave RegisterMove */
13072 /* with the move registered when the conditions for registering no */
13074 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13075 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13076 nCmailMovesRegistered --;
13078 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13080 free(cmailCommentList[lastLoadGameNumber - 1]);
13081 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13085 if (cmailOldMove == -1) {
13086 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13090 if (currentMove > cmailOldMove + 1) {
13091 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13095 if (currentMove < cmailOldMove) {
13096 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13100 if (forwardMostMove > currentMove) {
13101 /* Silently truncate extra moves */
13105 if ( (currentMove == cmailOldMove + 1)
13106 || ( (currentMove == cmailOldMove)
13107 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13108 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13109 if (gameInfo.result != GameUnfinished) {
13110 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13113 if (commentList[currentMove] != NULL) {
13114 cmailCommentList[lastLoadGameNumber - 1]
13115 = StrSave(commentList[currentMove]);
13117 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13119 if (appData.debugMode)
13120 fprintf(debugFP, "Saving %s for game %d\n",
13121 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13123 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13125 f = fopen(string, "w");
13126 if (appData.oldSaveStyle) {
13127 SaveGameOldStyle(f); /* also closes the file */
13129 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13130 f = fopen(string, "w");
13131 SavePosition(f, 0, NULL); /* also closes the file */
13133 fprintf(f, "{--------------\n");
13134 PrintPosition(f, currentMove);
13135 fprintf(f, "--------------}\n\n");
13137 SaveGame(f, 0, NULL); /* also closes the file*/
13140 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13141 nCmailMovesRegistered ++;
13142 } else if (nCmailGames == 1) {
13143 DisplayError(_("You have not made a move yet"), 0);
13154 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13155 FILE *commandOutput;
13156 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13157 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13163 if (! cmailMsgLoaded) {
13164 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13168 if (nCmailGames == nCmailResults) {
13169 DisplayError(_("No unfinished games"), 0);
13173 #if CMAIL_PROHIBIT_REMAIL
13174 if (cmailMailedMove) {
13175 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);
13176 DisplayError(msg, 0);
13181 if (! (cmailMailedMove || RegisterMove())) return;
13183 if ( cmailMailedMove
13184 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13185 snprintf(string, MSG_SIZ, partCommandString,
13186 appData.debugMode ? " -v" : "", appData.cmailGameName);
13187 commandOutput = popen(string, "r");
13189 if (commandOutput == NULL) {
13190 DisplayError(_("Failed to invoke cmail"), 0);
13192 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13193 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13195 if (nBuffers > 1) {
13196 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13197 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13198 nBytes = MSG_SIZ - 1;
13200 (void) memcpy(msg, buffer, nBytes);
13202 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13204 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13205 cmailMailedMove = TRUE; /* Prevent >1 moves */
13208 for (i = 0; i < nCmailGames; i ++) {
13209 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13214 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13216 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13218 appData.cmailGameName,
13220 LoadGameFromFile(buffer, 1, buffer, FALSE);
13221 cmailMsgLoaded = FALSE;
13225 DisplayInformation(msg);
13226 pclose(commandOutput);
13229 if ((*cmailMsg) != '\0') {
13230 DisplayInformation(cmailMsg);
13235 #endif /* !WIN32 */
13244 int prependComma = 0;
13246 char string[MSG_SIZ]; /* Space for game-list */
13249 if (!cmailMsgLoaded) return "";
13251 if (cmailMailedMove) {
13252 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13254 /* Create a list of games left */
13255 snprintf(string, MSG_SIZ, "[");
13256 for (i = 0; i < nCmailGames; i ++) {
13257 if (! ( cmailMoveRegistered[i]
13258 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13259 if (prependComma) {
13260 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13262 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13266 strcat(string, number);
13269 strcat(string, "]");
13271 if (nCmailMovesRegistered + nCmailResults == 0) {
13272 switch (nCmailGames) {
13274 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13278 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13282 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13287 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13289 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13294 if (nCmailResults == nCmailGames) {
13295 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13297 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13302 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13314 if (gameMode == Training)
13315 SetTrainingModeOff();
13318 cmailMsgLoaded = FALSE;
13319 if (appData.icsActive) {
13320 SendToICS(ics_prefix);
13321 SendToICS("refresh\n");
13326 ExitEvent (int status)
13330 /* Give up on clean exit */
13334 /* Keep trying for clean exit */
13338 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13340 if (telnetISR != NULL) {
13341 RemoveInputSource(telnetISR);
13343 if (icsPR != NoProc) {
13344 DestroyChildProcess(icsPR, TRUE);
13347 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13348 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13350 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13351 /* make sure this other one finishes before killing it! */
13352 if(endingGame) { int count = 0;
13353 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13354 while(endingGame && count++ < 10) DoSleep(1);
13355 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13358 /* Kill off chess programs */
13359 if (first.pr != NoProc) {
13362 DoSleep( appData.delayBeforeQuit );
13363 SendToProgram("quit\n", &first);
13364 DoSleep( appData.delayAfterQuit );
13365 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13367 if (second.pr != NoProc) {
13368 DoSleep( appData.delayBeforeQuit );
13369 SendToProgram("quit\n", &second);
13370 DoSleep( appData.delayAfterQuit );
13371 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13373 if (first.isr != NULL) {
13374 RemoveInputSource(first.isr);
13376 if (second.isr != NULL) {
13377 RemoveInputSource(second.isr);
13380 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13381 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13383 ShutDownFrontEnd();
13388 PauseEngine (ChessProgramState *cps)
13390 SendToProgram("pause\n", cps);
13395 UnPauseEngine (ChessProgramState *cps)
13397 SendToProgram("resume\n", cps);
13404 if (appData.debugMode)
13405 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13409 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13411 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13412 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13413 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13415 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13416 HandleMachineMove(stashedInputMove, stalledEngine);
13417 stalledEngine = NULL;
13420 if (gameMode == MachinePlaysWhite ||
13421 gameMode == TwoMachinesPlay ||
13422 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13423 if(first.pause) UnPauseEngine(&first);
13424 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13425 if(second.pause) UnPauseEngine(&second);
13426 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13429 DisplayBothClocks();
13431 if (gameMode == PlayFromGameFile) {
13432 if (appData.timeDelay >= 0)
13433 AutoPlayGameLoop();
13434 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13435 Reset(FALSE, TRUE);
13436 SendToICS(ics_prefix);
13437 SendToICS("refresh\n");
13438 } else if (currentMove < forwardMostMove) {
13439 ForwardInner(forwardMostMove);
13441 pauseExamInvalid = FALSE;
13443 switch (gameMode) {
13447 pauseExamForwardMostMove = forwardMostMove;
13448 pauseExamInvalid = FALSE;
13451 case IcsPlayingWhite:
13452 case IcsPlayingBlack:
13456 case PlayFromGameFile:
13457 (void) StopLoadGameTimer();
13461 case BeginningOfGame:
13462 if (appData.icsActive) return;
13463 /* else fall through */
13464 case MachinePlaysWhite:
13465 case MachinePlaysBlack:
13466 case TwoMachinesPlay:
13467 if (forwardMostMove == 0)
13468 return; /* don't pause if no one has moved */
13469 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13470 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13471 if(onMove->pause) { // thinking engine can be paused
13472 PauseEngine(onMove); // do it
13473 if(onMove->other->pause) // pondering opponent can always be paused immediately
13474 PauseEngine(onMove->other);
13476 SendToProgram("easy\n", onMove->other);
13478 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13479 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13481 PauseEngine(&first);
13483 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13484 } else { // human on move, pause pondering by either method
13486 PauseEngine(&first);
13487 else if(appData.ponderNextMove)
13488 SendToProgram("easy\n", &first);
13491 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13501 EditCommentEvent ()
13503 char title[MSG_SIZ];
13505 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13506 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13508 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13509 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13510 parseList[currentMove - 1]);
13513 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13520 char *tags = PGNTags(&gameInfo);
13522 EditTagsPopUp(tags, NULL);
13529 if(second.analyzing) {
13530 SendToProgram("exit\n", &second);
13531 second.analyzing = FALSE;
13533 if (second.pr == NoProc) StartChessProgram(&second);
13534 InitChessProgram(&second, FALSE);
13535 FeedMovesToProgram(&second, currentMove);
13537 SendToProgram("analyze\n", &second);
13538 second.analyzing = TRUE;
13542 /* Toggle ShowThinking */
13544 ToggleShowThinking()
13546 appData.showThinking = !appData.showThinking;
13547 ShowThinkingEvent();
13551 AnalyzeModeEvent ()
13555 if (!first.analysisSupport) {
13556 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13557 DisplayError(buf, 0);
13560 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13561 if (appData.icsActive) {
13562 if (gameMode != IcsObserving) {
13563 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13564 DisplayError(buf, 0);
13566 if (appData.icsEngineAnalyze) {
13567 if (appData.debugMode)
13568 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13574 /* if enable, user wants to disable icsEngineAnalyze */
13575 if (appData.icsEngineAnalyze) {
13580 appData.icsEngineAnalyze = TRUE;
13581 if (appData.debugMode)
13582 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13585 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13586 if (appData.noChessProgram || gameMode == AnalyzeMode)
13589 if (gameMode != AnalyzeFile) {
13590 if (!appData.icsEngineAnalyze) {
13592 if (gameMode != EditGame) return 0;
13594 if (!appData.showThinking) ToggleShowThinking();
13595 ResurrectChessProgram();
13596 SendToProgram("analyze\n", &first);
13597 first.analyzing = TRUE;
13598 /*first.maybeThinking = TRUE;*/
13599 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13600 EngineOutputPopUp();
13602 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13607 StartAnalysisClock();
13608 GetTimeMark(&lastNodeCountTime);
13614 AnalyzeFileEvent ()
13616 if (appData.noChessProgram || gameMode == AnalyzeFile)
13619 if (!first.analysisSupport) {
13621 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13622 DisplayError(buf, 0);
13626 if (gameMode != AnalyzeMode) {
13627 keepInfo = 1; // mere annotating should not alter PGN tags
13630 if (gameMode != EditGame) return;
13631 if (!appData.showThinking) ToggleShowThinking();
13632 ResurrectChessProgram();
13633 SendToProgram("analyze\n", &first);
13634 first.analyzing = TRUE;
13635 /*first.maybeThinking = TRUE;*/
13636 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13637 EngineOutputPopUp();
13639 gameMode = AnalyzeFile;
13643 StartAnalysisClock();
13644 GetTimeMark(&lastNodeCountTime);
13646 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13647 AnalysisPeriodicEvent(1);
13651 MachineWhiteEvent ()
13654 char *bookHit = NULL;
13656 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13660 if (gameMode == PlayFromGameFile ||
13661 gameMode == TwoMachinesPlay ||
13662 gameMode == Training ||
13663 gameMode == AnalyzeMode ||
13664 gameMode == EndOfGame)
13667 if (gameMode == EditPosition)
13668 EditPositionDone(TRUE);
13670 if (!WhiteOnMove(currentMove)) {
13671 DisplayError(_("It is not White's turn"), 0);
13675 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13678 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13679 gameMode == AnalyzeFile)
13682 ResurrectChessProgram(); /* in case it isn't running */
13683 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13684 gameMode = MachinePlaysWhite;
13687 gameMode = MachinePlaysWhite;
13691 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13693 if (first.sendName) {
13694 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13695 SendToProgram(buf, &first);
13697 if (first.sendTime) {
13698 if (first.useColors) {
13699 SendToProgram("black\n", &first); /*gnu kludge*/
13701 SendTimeRemaining(&first, TRUE);
13703 if (first.useColors) {
13704 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13706 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13707 SetMachineThinkingEnables();
13708 first.maybeThinking = TRUE;
13712 if (appData.autoFlipView && !flipView) {
13713 flipView = !flipView;
13714 DrawPosition(FALSE, NULL);
13715 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13718 if(bookHit) { // [HGM] book: simulate book reply
13719 static char bookMove[MSG_SIZ]; // a bit generous?
13721 programStats.nodes = programStats.depth = programStats.time =
13722 programStats.score = programStats.got_only_move = 0;
13723 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13725 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13726 strcat(bookMove, bookHit);
13727 HandleMachineMove(bookMove, &first);
13732 MachineBlackEvent ()
13735 char *bookHit = NULL;
13737 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13741 if (gameMode == PlayFromGameFile ||
13742 gameMode == TwoMachinesPlay ||
13743 gameMode == Training ||
13744 gameMode == AnalyzeMode ||
13745 gameMode == EndOfGame)
13748 if (gameMode == EditPosition)
13749 EditPositionDone(TRUE);
13751 if (WhiteOnMove(currentMove)) {
13752 DisplayError(_("It is not Black's turn"), 0);
13756 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13759 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13760 gameMode == AnalyzeFile)
13763 ResurrectChessProgram(); /* in case it isn't running */
13764 gameMode = MachinePlaysBlack;
13768 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13770 if (first.sendName) {
13771 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13772 SendToProgram(buf, &first);
13774 if (first.sendTime) {
13775 if (first.useColors) {
13776 SendToProgram("white\n", &first); /*gnu kludge*/
13778 SendTimeRemaining(&first, FALSE);
13780 if (first.useColors) {
13781 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13783 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13784 SetMachineThinkingEnables();
13785 first.maybeThinking = TRUE;
13788 if (appData.autoFlipView && flipView) {
13789 flipView = !flipView;
13790 DrawPosition(FALSE, NULL);
13791 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13793 if(bookHit) { // [HGM] book: simulate book reply
13794 static char bookMove[MSG_SIZ]; // a bit generous?
13796 programStats.nodes = programStats.depth = programStats.time =
13797 programStats.score = programStats.got_only_move = 0;
13798 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13800 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13801 strcat(bookMove, bookHit);
13802 HandleMachineMove(bookMove, &first);
13808 DisplayTwoMachinesTitle ()
13811 if (appData.matchGames > 0) {
13812 if(appData.tourneyFile[0]) {
13813 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13814 gameInfo.white, _("vs."), gameInfo.black,
13815 nextGame+1, appData.matchGames+1,
13816 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13818 if (first.twoMachinesColor[0] == 'w') {
13819 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13820 gameInfo.white, _("vs."), gameInfo.black,
13821 first.matchWins, second.matchWins,
13822 matchGame - 1 - (first.matchWins + second.matchWins));
13824 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13825 gameInfo.white, _("vs."), gameInfo.black,
13826 second.matchWins, first.matchWins,
13827 matchGame - 1 - (first.matchWins + second.matchWins));
13830 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13836 SettingsMenuIfReady ()
13838 if (second.lastPing != second.lastPong) {
13839 DisplayMessage("", _("Waiting for second chess program"));
13840 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13844 DisplayMessage("", "");
13845 SettingsPopUp(&second);
13849 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13852 if (cps->pr == NoProc) {
13853 StartChessProgram(cps);
13854 if (cps->protocolVersion == 1) {
13857 /* kludge: allow timeout for initial "feature" command */
13859 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13860 DisplayMessage("", buf);
13861 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13869 TwoMachinesEvent P((void))
13873 ChessProgramState *onmove;
13874 char *bookHit = NULL;
13875 static int stalling = 0;
13879 if (appData.noChessProgram) return;
13881 switch (gameMode) {
13882 case TwoMachinesPlay:
13884 case MachinePlaysWhite:
13885 case MachinePlaysBlack:
13886 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13887 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13891 case BeginningOfGame:
13892 case PlayFromGameFile:
13895 if (gameMode != EditGame) return;
13898 EditPositionDone(TRUE);
13909 // forwardMostMove = currentMove;
13910 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13912 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13914 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13915 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13916 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13920 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13921 DisplayError("second engine does not play this", 0);
13926 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13927 SendToProgram("force\n", &second);
13929 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13932 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13933 if(appData.matchPause>10000 || appData.matchPause<10)
13934 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13935 wait = SubtractTimeMarks(&now, &pauseStart);
13936 if(wait < appData.matchPause) {
13937 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13940 // we are now committed to starting the game
13942 DisplayMessage("", "");
13943 if (startedFromSetupPosition) {
13944 SendBoard(&second, backwardMostMove);
13945 if (appData.debugMode) {
13946 fprintf(debugFP, "Two Machines\n");
13949 for (i = backwardMostMove; i < forwardMostMove; i++) {
13950 SendMoveToProgram(i, &second);
13953 gameMode = TwoMachinesPlay;
13955 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13957 DisplayTwoMachinesTitle();
13959 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13964 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13965 SendToProgram(first.computerString, &first);
13966 if (first.sendName) {
13967 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13968 SendToProgram(buf, &first);
13970 SendToProgram(second.computerString, &second);
13971 if (second.sendName) {
13972 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13973 SendToProgram(buf, &second);
13977 if (!first.sendTime || !second.sendTime) {
13978 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13979 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13981 if (onmove->sendTime) {
13982 if (onmove->useColors) {
13983 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13985 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13987 if (onmove->useColors) {
13988 SendToProgram(onmove->twoMachinesColor, onmove);
13990 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13991 // SendToProgram("go\n", onmove);
13992 onmove->maybeThinking = TRUE;
13993 SetMachineThinkingEnables();
13997 if(bookHit) { // [HGM] book: simulate book reply
13998 static char bookMove[MSG_SIZ]; // a bit generous?
14000 programStats.nodes = programStats.depth = programStats.time =
14001 programStats.score = programStats.got_only_move = 0;
14002 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14004 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14005 strcat(bookMove, bookHit);
14006 savedMessage = bookMove; // args for deferred call
14007 savedState = onmove;
14008 ScheduleDelayedEvent(DeferredBookMove, 1);
14015 if (gameMode == Training) {
14016 SetTrainingModeOff();
14017 gameMode = PlayFromGameFile;
14018 DisplayMessage("", _("Training mode off"));
14020 gameMode = Training;
14021 animateTraining = appData.animate;
14023 /* make sure we are not already at the end of the game */
14024 if (currentMove < forwardMostMove) {
14025 SetTrainingModeOn();
14026 DisplayMessage("", _("Training mode on"));
14028 gameMode = PlayFromGameFile;
14029 DisplayError(_("Already at end of game"), 0);
14038 if (!appData.icsActive) return;
14039 switch (gameMode) {
14040 case IcsPlayingWhite:
14041 case IcsPlayingBlack:
14044 case BeginningOfGame:
14052 EditPositionDone(TRUE);
14065 gameMode = IcsIdle;
14075 switch (gameMode) {
14077 SetTrainingModeOff();
14079 case MachinePlaysWhite:
14080 case MachinePlaysBlack:
14081 case BeginningOfGame:
14082 SendToProgram("force\n", &first);
14083 SetUserThinkingEnables();
14085 case PlayFromGameFile:
14086 (void) StopLoadGameTimer();
14087 if (gameFileFP != NULL) {
14092 EditPositionDone(TRUE);
14097 SendToProgram("force\n", &first);
14099 case TwoMachinesPlay:
14100 GameEnds(EndOfFile, NULL, GE_PLAYER);
14101 ResurrectChessProgram();
14102 SetUserThinkingEnables();
14105 ResurrectChessProgram();
14107 case IcsPlayingBlack:
14108 case IcsPlayingWhite:
14109 DisplayError(_("Warning: You are still playing a game"), 0);
14112 DisplayError(_("Warning: You are still observing a game"), 0);
14115 DisplayError(_("Warning: You are still examining a game"), 0);
14126 first.offeredDraw = second.offeredDraw = 0;
14128 if (gameMode == PlayFromGameFile) {
14129 whiteTimeRemaining = timeRemaining[0][currentMove];
14130 blackTimeRemaining = timeRemaining[1][currentMove];
14134 if (gameMode == MachinePlaysWhite ||
14135 gameMode == MachinePlaysBlack ||
14136 gameMode == TwoMachinesPlay ||
14137 gameMode == EndOfGame) {
14138 i = forwardMostMove;
14139 while (i > currentMove) {
14140 SendToProgram("undo\n", &first);
14143 if(!adjustedClock) {
14144 whiteTimeRemaining = timeRemaining[0][currentMove];
14145 blackTimeRemaining = timeRemaining[1][currentMove];
14146 DisplayBothClocks();
14148 if (whiteFlag || blackFlag) {
14149 whiteFlag = blackFlag = 0;
14154 gameMode = EditGame;
14161 EditPositionEvent ()
14163 if (gameMode == EditPosition) {
14169 if (gameMode != EditGame) return;
14171 gameMode = EditPosition;
14174 if (currentMove > 0)
14175 CopyBoard(boards[0], boards[currentMove]);
14177 blackPlaysFirst = !WhiteOnMove(currentMove);
14179 currentMove = forwardMostMove = backwardMostMove = 0;
14180 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14182 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14188 /* [DM] icsEngineAnalyze - possible call from other functions */
14189 if (appData.icsEngineAnalyze) {
14190 appData.icsEngineAnalyze = FALSE;
14192 DisplayMessage("",_("Close ICS engine analyze..."));
14194 if (first.analysisSupport && first.analyzing) {
14195 SendToBoth("exit\n");
14196 first.analyzing = second.analyzing = FALSE;
14198 thinkOutput[0] = NULLCHAR;
14202 EditPositionDone (Boolean fakeRights)
14204 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14206 startedFromSetupPosition = TRUE;
14207 InitChessProgram(&first, FALSE);
14208 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14209 boards[0][EP_STATUS] = EP_NONE;
14210 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14211 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14212 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14213 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14214 } else boards[0][CASTLING][2] = NoRights;
14215 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14216 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14217 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14218 } else boards[0][CASTLING][5] = NoRights;
14219 if(gameInfo.variant == VariantSChess) {
14221 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14222 boards[0][VIRGIN][i] = 0;
14223 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14224 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14228 SendToProgram("force\n", &first);
14229 if (blackPlaysFirst) {
14230 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14231 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14232 currentMove = forwardMostMove = backwardMostMove = 1;
14233 CopyBoard(boards[1], boards[0]);
14235 currentMove = forwardMostMove = backwardMostMove = 0;
14237 SendBoard(&first, forwardMostMove);
14238 if (appData.debugMode) {
14239 fprintf(debugFP, "EditPosDone\n");
14242 DisplayMessage("", "");
14243 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14244 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14245 gameMode = EditGame;
14247 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14248 ClearHighlights(); /* [AS] */
14251 /* Pause for `ms' milliseconds */
14252 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14254 TimeDelay (long ms)
14261 } while (SubtractTimeMarks(&m2, &m1) < ms);
14264 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14266 SendMultiLineToICS (char *buf)
14268 char temp[MSG_SIZ+1], *p;
14275 strncpy(temp, buf, len);
14280 if (*p == '\n' || *p == '\r')
14285 strcat(temp, "\n");
14287 SendToPlayer(temp, strlen(temp));
14291 SetWhiteToPlayEvent ()
14293 if (gameMode == EditPosition) {
14294 blackPlaysFirst = FALSE;
14295 DisplayBothClocks(); /* works because currentMove is 0 */
14296 } else if (gameMode == IcsExamining) {
14297 SendToICS(ics_prefix);
14298 SendToICS("tomove white\n");
14303 SetBlackToPlayEvent ()
14305 if (gameMode == EditPosition) {
14306 blackPlaysFirst = TRUE;
14307 currentMove = 1; /* kludge */
14308 DisplayBothClocks();
14310 } else if (gameMode == IcsExamining) {
14311 SendToICS(ics_prefix);
14312 SendToICS("tomove black\n");
14317 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14320 ChessSquare piece = boards[0][y][x];
14322 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14324 switch (selection) {
14326 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14327 SendToICS(ics_prefix);
14328 SendToICS("bsetup clear\n");
14329 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14330 SendToICS(ics_prefix);
14331 SendToICS("clearboard\n");
14333 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14334 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14335 for (y = 0; y < BOARD_HEIGHT; y++) {
14336 if (gameMode == IcsExamining) {
14337 if (boards[currentMove][y][x] != EmptySquare) {
14338 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14343 boards[0][y][x] = p;
14348 if (gameMode == EditPosition) {
14349 DrawPosition(FALSE, boards[0]);
14354 SetWhiteToPlayEvent();
14358 SetBlackToPlayEvent();
14362 if (gameMode == IcsExamining) {
14363 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14364 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14367 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14368 if(x == BOARD_LEFT-2) {
14369 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14370 boards[0][y][1] = 0;
14372 if(x == BOARD_RGHT+1) {
14373 if(y >= gameInfo.holdingsSize) break;
14374 boards[0][y][BOARD_WIDTH-2] = 0;
14377 boards[0][y][x] = EmptySquare;
14378 DrawPosition(FALSE, boards[0]);
14383 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14384 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14385 selection = (ChessSquare) (PROMOTED piece);
14386 } else if(piece == EmptySquare) selection = WhiteSilver;
14387 else selection = (ChessSquare)((int)piece - 1);
14391 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14392 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14393 selection = (ChessSquare) (DEMOTED piece);
14394 } else if(piece == EmptySquare) selection = BlackSilver;
14395 else selection = (ChessSquare)((int)piece + 1);
14400 if(gameInfo.variant == VariantShatranj ||
14401 gameInfo.variant == VariantXiangqi ||
14402 gameInfo.variant == VariantCourier ||
14403 gameInfo.variant == VariantMakruk )
14404 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14409 if(gameInfo.variant == VariantXiangqi)
14410 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14411 if(gameInfo.variant == VariantKnightmate)
14412 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14415 if (gameMode == IcsExamining) {
14416 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14417 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14418 PieceToChar(selection), AAA + x, ONE + y);
14421 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14423 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14424 n = PieceToNumber(selection - BlackPawn);
14425 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14426 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14427 boards[0][BOARD_HEIGHT-1-n][1]++;
14429 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14430 n = PieceToNumber(selection);
14431 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14432 boards[0][n][BOARD_WIDTH-1] = selection;
14433 boards[0][n][BOARD_WIDTH-2]++;
14436 boards[0][y][x] = selection;
14437 DrawPosition(TRUE, boards[0]);
14439 fromX = fromY = -1;
14447 DropMenuEvent (ChessSquare selection, int x, int y)
14449 ChessMove moveType;
14451 switch (gameMode) {
14452 case IcsPlayingWhite:
14453 case MachinePlaysBlack:
14454 if (!WhiteOnMove(currentMove)) {
14455 DisplayMoveError(_("It is Black's turn"));
14458 moveType = WhiteDrop;
14460 case IcsPlayingBlack:
14461 case MachinePlaysWhite:
14462 if (WhiteOnMove(currentMove)) {
14463 DisplayMoveError(_("It is White's turn"));
14466 moveType = BlackDrop;
14469 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14475 if (moveType == BlackDrop && selection < BlackPawn) {
14476 selection = (ChessSquare) ((int) selection
14477 + (int) BlackPawn - (int) WhitePawn);
14479 if (boards[currentMove][y][x] != EmptySquare) {
14480 DisplayMoveError(_("That square is occupied"));
14484 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14490 /* Accept a pending offer of any kind from opponent */
14492 if (appData.icsActive) {
14493 SendToICS(ics_prefix);
14494 SendToICS("accept\n");
14495 } else if (cmailMsgLoaded) {
14496 if (currentMove == cmailOldMove &&
14497 commentList[cmailOldMove] != NULL &&
14498 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14499 "Black offers a draw" : "White offers a draw")) {
14501 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14502 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14504 DisplayError(_("There is no pending offer on this move"), 0);
14505 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14508 /* Not used for offers from chess program */
14515 /* Decline a pending offer of any kind from opponent */
14517 if (appData.icsActive) {
14518 SendToICS(ics_prefix);
14519 SendToICS("decline\n");
14520 } else if (cmailMsgLoaded) {
14521 if (currentMove == cmailOldMove &&
14522 commentList[cmailOldMove] != NULL &&
14523 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14524 "Black offers a draw" : "White offers a draw")) {
14526 AppendComment(cmailOldMove, "Draw declined", TRUE);
14527 DisplayComment(cmailOldMove - 1, "Draw declined");
14530 DisplayError(_("There is no pending offer on this move"), 0);
14533 /* Not used for offers from chess program */
14540 /* Issue ICS rematch command */
14541 if (appData.icsActive) {
14542 SendToICS(ics_prefix);
14543 SendToICS("rematch\n");
14550 /* Call your opponent's flag (claim a win on time) */
14551 if (appData.icsActive) {
14552 SendToICS(ics_prefix);
14553 SendToICS("flag\n");
14555 switch (gameMode) {
14558 case MachinePlaysWhite:
14561 GameEnds(GameIsDrawn, "Both players ran out of time",
14564 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14566 DisplayError(_("Your opponent is not out of time"), 0);
14569 case MachinePlaysBlack:
14572 GameEnds(GameIsDrawn, "Both players ran out of time",
14575 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14577 DisplayError(_("Your opponent is not out of time"), 0);
14585 ClockClick (int which)
14586 { // [HGM] code moved to back-end from winboard.c
14587 if(which) { // black clock
14588 if (gameMode == EditPosition || gameMode == IcsExamining) {
14589 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14590 SetBlackToPlayEvent();
14591 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14592 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14593 } else if (shiftKey) {
14594 AdjustClock(which, -1);
14595 } else if (gameMode == IcsPlayingWhite ||
14596 gameMode == MachinePlaysBlack) {
14599 } else { // white clock
14600 if (gameMode == EditPosition || gameMode == IcsExamining) {
14601 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14602 SetWhiteToPlayEvent();
14603 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14604 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14605 } else if (shiftKey) {
14606 AdjustClock(which, -1);
14607 } else if (gameMode == IcsPlayingBlack ||
14608 gameMode == MachinePlaysWhite) {
14617 /* Offer draw or accept pending draw offer from opponent */
14619 if (appData.icsActive) {
14620 /* Note: tournament rules require draw offers to be
14621 made after you make your move but before you punch
14622 your clock. Currently ICS doesn't let you do that;
14623 instead, you immediately punch your clock after making
14624 a move, but you can offer a draw at any time. */
14626 SendToICS(ics_prefix);
14627 SendToICS("draw\n");
14628 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14629 } else if (cmailMsgLoaded) {
14630 if (currentMove == cmailOldMove &&
14631 commentList[cmailOldMove] != NULL &&
14632 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14633 "Black offers a draw" : "White offers a draw")) {
14634 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14635 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14636 } else if (currentMove == cmailOldMove + 1) {
14637 char *offer = WhiteOnMove(cmailOldMove) ?
14638 "White offers a draw" : "Black offers a draw";
14639 AppendComment(currentMove, offer, TRUE);
14640 DisplayComment(currentMove - 1, offer);
14641 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14643 DisplayError(_("You must make your move before offering a draw"), 0);
14644 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14646 } else if (first.offeredDraw) {
14647 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14649 if (first.sendDrawOffers) {
14650 SendToProgram("draw\n", &first);
14651 userOfferedDraw = TRUE;
14659 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14661 if (appData.icsActive) {
14662 SendToICS(ics_prefix);
14663 SendToICS("adjourn\n");
14665 /* Currently GNU Chess doesn't offer or accept Adjourns */
14673 /* Offer Abort or accept pending Abort offer from opponent */
14675 if (appData.icsActive) {
14676 SendToICS(ics_prefix);
14677 SendToICS("abort\n");
14679 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14686 /* Resign. You can do this even if it's not your turn. */
14688 if (appData.icsActive) {
14689 SendToICS(ics_prefix);
14690 SendToICS("resign\n");
14692 switch (gameMode) {
14693 case MachinePlaysWhite:
14694 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14696 case MachinePlaysBlack:
14697 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14700 if (cmailMsgLoaded) {
14702 if (WhiteOnMove(cmailOldMove)) {
14703 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14705 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14707 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14718 StopObservingEvent ()
14720 /* Stop observing current games */
14721 SendToICS(ics_prefix);
14722 SendToICS("unobserve\n");
14726 StopExaminingEvent ()
14728 /* Stop observing current game */
14729 SendToICS(ics_prefix);
14730 SendToICS("unexamine\n");
14734 ForwardInner (int target)
14736 int limit; int oldSeekGraphUp = seekGraphUp;
14738 if (appData.debugMode)
14739 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14740 target, currentMove, forwardMostMove);
14742 if (gameMode == EditPosition)
14745 seekGraphUp = FALSE;
14746 MarkTargetSquares(1);
14748 if (gameMode == PlayFromGameFile && !pausing)
14751 if (gameMode == IcsExamining && pausing)
14752 limit = pauseExamForwardMostMove;
14754 limit = forwardMostMove;
14756 if (target > limit) target = limit;
14758 if (target > 0 && moveList[target - 1][0]) {
14759 int fromX, fromY, toX, toY;
14760 toX = moveList[target - 1][2] - AAA;
14761 toY = moveList[target - 1][3] - ONE;
14762 if (moveList[target - 1][1] == '@') {
14763 if (appData.highlightLastMove) {
14764 SetHighlights(-1, -1, toX, toY);
14767 fromX = moveList[target - 1][0] - AAA;
14768 fromY = moveList[target - 1][1] - ONE;
14769 if (target == currentMove + 1) {
14770 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14772 if (appData.highlightLastMove) {
14773 SetHighlights(fromX, fromY, toX, toY);
14777 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14778 gameMode == Training || gameMode == PlayFromGameFile ||
14779 gameMode == AnalyzeFile) {
14780 while (currentMove < target) {
14781 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14782 SendMoveToProgram(currentMove++, &first);
14785 currentMove = target;
14788 if (gameMode == EditGame || gameMode == EndOfGame) {
14789 whiteTimeRemaining = timeRemaining[0][currentMove];
14790 blackTimeRemaining = timeRemaining[1][currentMove];
14792 DisplayBothClocks();
14793 DisplayMove(currentMove - 1);
14794 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14795 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14796 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14797 DisplayComment(currentMove - 1, commentList[currentMove]);
14799 ClearMap(); // [HGM] exclude: invalidate map
14806 if (gameMode == IcsExamining && !pausing) {
14807 SendToICS(ics_prefix);
14808 SendToICS("forward\n");
14810 ForwardInner(currentMove + 1);
14817 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14818 /* to optimze, we temporarily turn off analysis mode while we feed
14819 * the remaining moves to the engine. Otherwise we get analysis output
14822 if (first.analysisSupport) {
14823 SendToProgram("exit\nforce\n", &first);
14824 first.analyzing = FALSE;
14828 if (gameMode == IcsExamining && !pausing) {
14829 SendToICS(ics_prefix);
14830 SendToICS("forward 999999\n");
14832 ForwardInner(forwardMostMove);
14835 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14836 /* we have fed all the moves, so reactivate analysis mode */
14837 SendToProgram("analyze\n", &first);
14838 first.analyzing = TRUE;
14839 /*first.maybeThinking = TRUE;*/
14840 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14845 BackwardInner (int target)
14847 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14849 if (appData.debugMode)
14850 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14851 target, currentMove, forwardMostMove);
14853 if (gameMode == EditPosition) return;
14854 seekGraphUp = FALSE;
14855 MarkTargetSquares(1);
14856 if (currentMove <= backwardMostMove) {
14858 DrawPosition(full_redraw, boards[currentMove]);
14861 if (gameMode == PlayFromGameFile && !pausing)
14864 if (moveList[target][0]) {
14865 int fromX, fromY, toX, toY;
14866 toX = moveList[target][2] - AAA;
14867 toY = moveList[target][3] - ONE;
14868 if (moveList[target][1] == '@') {
14869 if (appData.highlightLastMove) {
14870 SetHighlights(-1, -1, toX, toY);
14873 fromX = moveList[target][0] - AAA;
14874 fromY = moveList[target][1] - ONE;
14875 if (target == currentMove - 1) {
14876 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14878 if (appData.highlightLastMove) {
14879 SetHighlights(fromX, fromY, toX, toY);
14883 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14884 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14885 while (currentMove > target) {
14886 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14887 // null move cannot be undone. Reload program with move history before it.
14889 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14890 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14892 SendBoard(&first, i);
14893 if(second.analyzing) SendBoard(&second, i);
14894 for(currentMove=i; currentMove<target; currentMove++) {
14895 SendMoveToProgram(currentMove, &first);
14896 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14900 SendToBoth("undo\n");
14904 currentMove = target;
14907 if (gameMode == EditGame || gameMode == EndOfGame) {
14908 whiteTimeRemaining = timeRemaining[0][currentMove];
14909 blackTimeRemaining = timeRemaining[1][currentMove];
14911 DisplayBothClocks();
14912 DisplayMove(currentMove - 1);
14913 DrawPosition(full_redraw, boards[currentMove]);
14914 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14915 // [HGM] PV info: routine tests if comment empty
14916 DisplayComment(currentMove - 1, commentList[currentMove]);
14917 ClearMap(); // [HGM] exclude: invalidate map
14923 if (gameMode == IcsExamining && !pausing) {
14924 SendToICS(ics_prefix);
14925 SendToICS("backward\n");
14927 BackwardInner(currentMove - 1);
14934 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14935 /* to optimize, we temporarily turn off analysis mode while we undo
14936 * all the moves. Otherwise we get analysis output after each undo.
14938 if (first.analysisSupport) {
14939 SendToProgram("exit\nforce\n", &first);
14940 first.analyzing = FALSE;
14944 if (gameMode == IcsExamining && !pausing) {
14945 SendToICS(ics_prefix);
14946 SendToICS("backward 999999\n");
14948 BackwardInner(backwardMostMove);
14951 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14952 /* we have fed all the moves, so reactivate analysis mode */
14953 SendToProgram("analyze\n", &first);
14954 first.analyzing = TRUE;
14955 /*first.maybeThinking = TRUE;*/
14956 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14963 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14964 if (to >= forwardMostMove) to = forwardMostMove;
14965 if (to <= backwardMostMove) to = backwardMostMove;
14966 if (to < currentMove) {
14974 RevertEvent (Boolean annotate)
14976 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14979 if (gameMode != IcsExamining) {
14980 DisplayError(_("You are not examining a game"), 0);
14984 DisplayError(_("You can't revert while pausing"), 0);
14987 SendToICS(ics_prefix);
14988 SendToICS("revert\n");
14992 RetractMoveEvent ()
14994 switch (gameMode) {
14995 case MachinePlaysWhite:
14996 case MachinePlaysBlack:
14997 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14998 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15001 if (forwardMostMove < 2) return;
15002 currentMove = forwardMostMove = forwardMostMove - 2;
15003 whiteTimeRemaining = timeRemaining[0][currentMove];
15004 blackTimeRemaining = timeRemaining[1][currentMove];
15005 DisplayBothClocks();
15006 DisplayMove(currentMove - 1);
15007 ClearHighlights();/*!! could figure this out*/
15008 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15009 SendToProgram("remove\n", &first);
15010 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15013 case BeginningOfGame:
15017 case IcsPlayingWhite:
15018 case IcsPlayingBlack:
15019 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15020 SendToICS(ics_prefix);
15021 SendToICS("takeback 2\n");
15023 SendToICS(ics_prefix);
15024 SendToICS("takeback 1\n");
15033 ChessProgramState *cps;
15035 switch (gameMode) {
15036 case MachinePlaysWhite:
15037 if (!WhiteOnMove(forwardMostMove)) {
15038 DisplayError(_("It is your turn"), 0);
15043 case MachinePlaysBlack:
15044 if (WhiteOnMove(forwardMostMove)) {
15045 DisplayError(_("It is your turn"), 0);
15050 case TwoMachinesPlay:
15051 if (WhiteOnMove(forwardMostMove) ==
15052 (first.twoMachinesColor[0] == 'w')) {
15058 case BeginningOfGame:
15062 SendToProgram("?\n", cps);
15066 TruncateGameEvent ()
15069 if (gameMode != EditGame) return;
15076 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15077 if (forwardMostMove > currentMove) {
15078 if (gameInfo.resultDetails != NULL) {
15079 free(gameInfo.resultDetails);
15080 gameInfo.resultDetails = NULL;
15081 gameInfo.result = GameUnfinished;
15083 forwardMostMove = currentMove;
15084 HistorySet(parseList, backwardMostMove, forwardMostMove,
15092 if (appData.noChessProgram) return;
15093 switch (gameMode) {
15094 case MachinePlaysWhite:
15095 if (WhiteOnMove(forwardMostMove)) {
15096 DisplayError(_("Wait until your turn"), 0);
15100 case BeginningOfGame:
15101 case MachinePlaysBlack:
15102 if (!WhiteOnMove(forwardMostMove)) {
15103 DisplayError(_("Wait until your turn"), 0);
15108 DisplayError(_("No hint available"), 0);
15111 SendToProgram("hint\n", &first);
15112 hintRequested = TRUE;
15118 ListGame * lg = (ListGame *) gameList.head;
15121 static int secondTime = FALSE;
15123 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15124 DisplayError(_("Game list not loaded or empty"), 0);
15128 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15131 DisplayNote(_("Book file exists! Try again for overwrite."));
15135 creatingBook = TRUE;
15136 secondTime = FALSE;
15138 /* Get list size */
15139 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15140 LoadGame(f, nItem, "", TRUE);
15141 AddGameToBook(TRUE);
15142 lg = (ListGame *) lg->node.succ;
15145 creatingBook = FALSE;
15152 if (appData.noChessProgram) return;
15153 switch (gameMode) {
15154 case MachinePlaysWhite:
15155 if (WhiteOnMove(forwardMostMove)) {
15156 DisplayError(_("Wait until your turn"), 0);
15160 case BeginningOfGame:
15161 case MachinePlaysBlack:
15162 if (!WhiteOnMove(forwardMostMove)) {
15163 DisplayError(_("Wait until your turn"), 0);
15168 EditPositionDone(TRUE);
15170 case TwoMachinesPlay:
15175 SendToProgram("bk\n", &first);
15176 bookOutput[0] = NULLCHAR;
15177 bookRequested = TRUE;
15183 char *tags = PGNTags(&gameInfo);
15184 TagsPopUp(tags, CmailMsg());
15188 /* end button procedures */
15191 PrintPosition (FILE *fp, int move)
15195 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15196 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15197 char c = PieceToChar(boards[move][i][j]);
15198 fputc(c == 'x' ? '.' : c, fp);
15199 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15202 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15203 fprintf(fp, "white to play\n");
15205 fprintf(fp, "black to play\n");
15209 PrintOpponents (FILE *fp)
15211 if (gameInfo.white != NULL) {
15212 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15218 /* Find last component of program's own name, using some heuristics */
15220 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15223 int local = (strcmp(host, "localhost") == 0);
15224 while (!local && (p = strchr(prog, ';')) != NULL) {
15226 while (*p == ' ') p++;
15229 if (*prog == '"' || *prog == '\'') {
15230 q = strchr(prog + 1, *prog);
15232 q = strchr(prog, ' ');
15234 if (q == NULL) q = prog + strlen(prog);
15236 while (p >= prog && *p != '/' && *p != '\\') p--;
15238 if(p == prog && *p == '"') p++;
15240 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15241 memcpy(buf, p, q - p);
15242 buf[q - p] = NULLCHAR;
15250 TimeControlTagValue ()
15253 if (!appData.clockMode) {
15254 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15255 } else if (movesPerSession > 0) {
15256 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15257 } else if (timeIncrement == 0) {
15258 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15260 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15262 return StrSave(buf);
15268 /* This routine is used only for certain modes */
15269 VariantClass v = gameInfo.variant;
15270 ChessMove r = GameUnfinished;
15273 if(keepInfo) return;
15275 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15276 r = gameInfo.result;
15277 p = gameInfo.resultDetails;
15278 gameInfo.resultDetails = NULL;
15280 ClearGameInfo(&gameInfo);
15281 gameInfo.variant = v;
15283 switch (gameMode) {
15284 case MachinePlaysWhite:
15285 gameInfo.event = StrSave( appData.pgnEventHeader );
15286 gameInfo.site = StrSave(HostName());
15287 gameInfo.date = PGNDate();
15288 gameInfo.round = StrSave("-");
15289 gameInfo.white = StrSave(first.tidy);
15290 gameInfo.black = StrSave(UserName());
15291 gameInfo.timeControl = TimeControlTagValue();
15294 case MachinePlaysBlack:
15295 gameInfo.event = StrSave( appData.pgnEventHeader );
15296 gameInfo.site = StrSave(HostName());
15297 gameInfo.date = PGNDate();
15298 gameInfo.round = StrSave("-");
15299 gameInfo.white = StrSave(UserName());
15300 gameInfo.black = StrSave(first.tidy);
15301 gameInfo.timeControl = TimeControlTagValue();
15304 case TwoMachinesPlay:
15305 gameInfo.event = StrSave( appData.pgnEventHeader );
15306 gameInfo.site = StrSave(HostName());
15307 gameInfo.date = PGNDate();
15310 snprintf(buf, MSG_SIZ, "%d", roundNr);
15311 gameInfo.round = StrSave(buf);
15313 gameInfo.round = StrSave("-");
15315 if (first.twoMachinesColor[0] == 'w') {
15316 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15317 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15319 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15320 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15322 gameInfo.timeControl = TimeControlTagValue();
15326 gameInfo.event = StrSave("Edited game");
15327 gameInfo.site = StrSave(HostName());
15328 gameInfo.date = PGNDate();
15329 gameInfo.round = StrSave("-");
15330 gameInfo.white = StrSave("-");
15331 gameInfo.black = StrSave("-");
15332 gameInfo.result = r;
15333 gameInfo.resultDetails = p;
15337 gameInfo.event = StrSave("Edited position");
15338 gameInfo.site = StrSave(HostName());
15339 gameInfo.date = PGNDate();
15340 gameInfo.round = StrSave("-");
15341 gameInfo.white = StrSave("-");
15342 gameInfo.black = StrSave("-");
15345 case IcsPlayingWhite:
15346 case IcsPlayingBlack:
15351 case PlayFromGameFile:
15352 gameInfo.event = StrSave("Game from non-PGN file");
15353 gameInfo.site = StrSave(HostName());
15354 gameInfo.date = PGNDate();
15355 gameInfo.round = StrSave("-");
15356 gameInfo.white = StrSave("?");
15357 gameInfo.black = StrSave("?");
15366 ReplaceComment (int index, char *text)
15372 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15373 pvInfoList[index-1].depth == len &&
15374 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15375 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15376 while (*text == '\n') text++;
15377 len = strlen(text);
15378 while (len > 0 && text[len - 1] == '\n') len--;
15380 if (commentList[index] != NULL)
15381 free(commentList[index]);
15384 commentList[index] = NULL;
15387 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15388 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15389 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15390 commentList[index] = (char *) malloc(len + 2);
15391 strncpy(commentList[index], text, len);
15392 commentList[index][len] = '\n';
15393 commentList[index][len + 1] = NULLCHAR;
15395 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15397 commentList[index] = (char *) malloc(len + 7);
15398 safeStrCpy(commentList[index], "{\n", 3);
15399 safeStrCpy(commentList[index]+2, text, len+1);
15400 commentList[index][len+2] = NULLCHAR;
15401 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15402 strcat(commentList[index], "\n}\n");
15407 CrushCRs (char *text)
15415 if (ch == '\r') continue;
15417 } while (ch != '\0');
15421 AppendComment (int index, char *text, Boolean addBraces)
15422 /* addBraces tells if we should add {} */
15427 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15428 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15431 while (*text == '\n') text++;
15432 len = strlen(text);
15433 while (len > 0 && text[len - 1] == '\n') len--;
15434 text[len] = NULLCHAR;
15436 if (len == 0) return;
15438 if (commentList[index] != NULL) {
15439 Boolean addClosingBrace = addBraces;
15440 old = commentList[index];
15441 oldlen = strlen(old);
15442 while(commentList[index][oldlen-1] == '\n')
15443 commentList[index][--oldlen] = NULLCHAR;
15444 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15445 safeStrCpy(commentList[index], old, oldlen + len + 6);
15447 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15448 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15449 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15450 while (*text == '\n') { text++; len--; }
15451 commentList[index][--oldlen] = NULLCHAR;
15453 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15454 else strcat(commentList[index], "\n");
15455 strcat(commentList[index], text);
15456 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15457 else strcat(commentList[index], "\n");
15459 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15461 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15462 else commentList[index][0] = NULLCHAR;
15463 strcat(commentList[index], text);
15464 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15465 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15470 FindStr (char * text, char * sub_text)
15472 char * result = strstr( text, sub_text );
15474 if( result != NULL ) {
15475 result += strlen( sub_text );
15481 /* [AS] Try to extract PV info from PGN comment */
15482 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15484 GetInfoFromComment (int index, char * text)
15486 char * sep = text, *p;
15488 if( text != NULL && index > 0 ) {
15491 int time = -1, sec = 0, deci;
15492 char * s_eval = FindStr( text, "[%eval " );
15493 char * s_emt = FindStr( text, "[%emt " );
15495 if( s_eval != NULL || s_emt != NULL ) {
15499 if( s_eval != NULL ) {
15500 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15504 if( delim != ']' ) {
15509 if( s_emt != NULL ) {
15514 /* We expect something like: [+|-]nnn.nn/dd */
15517 if(*text != '{') return text; // [HGM] braces: must be normal comment
15519 sep = strchr( text, '/' );
15520 if( sep == NULL || sep < (text+4) ) {
15525 if(p[1] == '(') { // comment starts with PV
15526 p = strchr(p, ')'); // locate end of PV
15527 if(p == NULL || sep < p+5) return text;
15528 // at this point we have something like "{(.*) +0.23/6 ..."
15529 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15530 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15531 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15533 time = -1; sec = -1; deci = -1;
15534 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15535 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15536 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15537 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15541 if( score_lo < 0 || score_lo >= 100 ) {
15545 if(sec >= 0) time = 600*time + 10*sec; else
15546 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15548 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15550 /* [HGM] PV time: now locate end of PV info */
15551 while( *++sep >= '0' && *sep <= '9'); // strip depth
15553 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15555 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15557 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15558 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15569 pvInfoList[index-1].depth = depth;
15570 pvInfoList[index-1].score = score;
15571 pvInfoList[index-1].time = 10*time; // centi-sec
15572 if(*sep == '}') *sep = 0; else *--sep = '{';
15573 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15579 SendToProgram (char *message, ChessProgramState *cps)
15581 int count, outCount, error;
15584 if (cps->pr == NoProc) return;
15587 if (appData.debugMode) {
15590 fprintf(debugFP, "%ld >%-6s: %s",
15591 SubtractTimeMarks(&now, &programStartTime),
15592 cps->which, message);
15594 fprintf(serverFP, "%ld >%-6s: %s",
15595 SubtractTimeMarks(&now, &programStartTime),
15596 cps->which, message), fflush(serverFP);
15599 count = strlen(message);
15600 outCount = OutputToProcess(cps->pr, message, count, &error);
15601 if (outCount < count && !exiting
15602 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15603 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15604 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15605 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15606 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15607 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15608 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15609 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15611 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15612 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15613 gameInfo.result = res;
15615 gameInfo.resultDetails = StrSave(buf);
15617 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15618 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15623 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15627 ChessProgramState *cps = (ChessProgramState *)closure;
15629 if (isr != cps->isr) return; /* Killed intentionally */
15632 RemoveInputSource(cps->isr);
15633 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15634 _(cps->which), cps->program);
15635 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15636 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15637 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15638 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15639 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15640 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15642 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15643 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15644 gameInfo.result = res;
15646 gameInfo.resultDetails = StrSave(buf);
15648 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15649 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15651 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15652 _(cps->which), cps->program);
15653 RemoveInputSource(cps->isr);
15655 /* [AS] Program is misbehaving badly... kill it */
15656 if( count == -2 ) {
15657 DestroyChildProcess( cps->pr, 9 );
15661 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15666 if ((end_str = strchr(message, '\r')) != NULL)
15667 *end_str = NULLCHAR;
15668 if ((end_str = strchr(message, '\n')) != NULL)
15669 *end_str = NULLCHAR;
15671 if (appData.debugMode) {
15672 TimeMark now; int print = 1;
15673 char *quote = ""; char c; int i;
15675 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15676 char start = message[0];
15677 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15678 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15679 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15680 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15681 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15682 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15683 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15684 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15685 sscanf(message, "hint: %c", &c)!=1 &&
15686 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15687 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15688 print = (appData.engineComments >= 2);
15690 message[0] = start; // restore original message
15694 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15695 SubtractTimeMarks(&now, &programStartTime), cps->which,
15699 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15700 SubtractTimeMarks(&now, &programStartTime), cps->which,
15702 message), fflush(serverFP);
15706 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15707 if (appData.icsEngineAnalyze) {
15708 if (strstr(message, "whisper") != NULL ||
15709 strstr(message, "kibitz") != NULL ||
15710 strstr(message, "tellics") != NULL) return;
15713 HandleMachineMove(message, cps);
15718 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15723 if( timeControl_2 > 0 ) {
15724 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15725 tc = timeControl_2;
15728 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15729 inc /= cps->timeOdds;
15730 st /= cps->timeOdds;
15732 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15735 /* Set exact time per move, normally using st command */
15736 if (cps->stKludge) {
15737 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15739 if (seconds == 0) {
15740 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15742 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15745 snprintf(buf, MSG_SIZ, "st %d\n", st);
15748 /* Set conventional or incremental time control, using level command */
15749 if (seconds == 0) {
15750 /* Note old gnuchess bug -- minutes:seconds used to not work.
15751 Fixed in later versions, but still avoid :seconds
15752 when seconds is 0. */
15753 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15755 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15756 seconds, inc/1000.);
15759 SendToProgram(buf, cps);
15761 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15762 /* Orthogonally, limit search to given depth */
15764 if (cps->sdKludge) {
15765 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15767 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15769 SendToProgram(buf, cps);
15772 if(cps->nps >= 0) { /* [HGM] nps */
15773 if(cps->supportsNPS == FALSE)
15774 cps->nps = -1; // don't use if engine explicitly says not supported!
15776 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15777 SendToProgram(buf, cps);
15782 ChessProgramState *
15784 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15786 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15787 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15793 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15795 char message[MSG_SIZ];
15798 /* Note: this routine must be called when the clocks are stopped
15799 or when they have *just* been set or switched; otherwise
15800 it will be off by the time since the current tick started.
15802 if (machineWhite) {
15803 time = whiteTimeRemaining / 10;
15804 otime = blackTimeRemaining / 10;
15806 time = blackTimeRemaining / 10;
15807 otime = whiteTimeRemaining / 10;
15809 /* [HGM] translate opponent's time by time-odds factor */
15810 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15812 if (time <= 0) time = 1;
15813 if (otime <= 0) otime = 1;
15815 snprintf(message, MSG_SIZ, "time %ld\n", time);
15816 SendToProgram(message, cps);
15818 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15819 SendToProgram(message, cps);
15823 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15826 int len = strlen(name);
15829 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15831 sscanf(*p, "%d", &val);
15833 while (**p && **p != ' ')
15835 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15836 SendToProgram(buf, cps);
15843 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15846 int len = strlen(name);
15847 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15849 sscanf(*p, "%d", loc);
15850 while (**p && **p != ' ') (*p)++;
15851 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15852 SendToProgram(buf, cps);
15859 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15862 int len = strlen(name);
15863 if (strncmp((*p), name, len) == 0
15864 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15866 sscanf(*p, "%[^\"]", loc);
15867 while (**p && **p != '\"') (*p)++;
15868 if (**p == '\"') (*p)++;
15869 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15870 SendToProgram(buf, cps);
15877 ParseOption (Option *opt, ChessProgramState *cps)
15878 // [HGM] options: process the string that defines an engine option, and determine
15879 // name, type, default value, and allowed value range
15881 char *p, *q, buf[MSG_SIZ];
15882 int n, min = (-1)<<31, max = 1<<31, def;
15884 if(p = strstr(opt->name, " -spin ")) {
15885 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15886 if(max < min) max = min; // enforce consistency
15887 if(def < min) def = min;
15888 if(def > max) def = max;
15893 } else if((p = strstr(opt->name, " -slider "))) {
15894 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15895 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15896 if(max < min) max = min; // enforce consistency
15897 if(def < min) def = min;
15898 if(def > max) def = max;
15902 opt->type = Spin; // Slider;
15903 } else if((p = strstr(opt->name, " -string "))) {
15904 opt->textValue = p+9;
15905 opt->type = TextBox;
15906 } else if((p = strstr(opt->name, " -file "))) {
15907 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15908 opt->textValue = p+7;
15909 opt->type = FileName; // FileName;
15910 } else if((p = strstr(opt->name, " -path "))) {
15911 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15912 opt->textValue = p+7;
15913 opt->type = PathName; // PathName;
15914 } else if(p = strstr(opt->name, " -check ")) {
15915 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15916 opt->value = (def != 0);
15917 opt->type = CheckBox;
15918 } else if(p = strstr(opt->name, " -combo ")) {
15919 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15920 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15921 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15922 opt->value = n = 0;
15923 while(q = StrStr(q, " /// ")) {
15924 n++; *q = 0; // count choices, and null-terminate each of them
15926 if(*q == '*') { // remember default, which is marked with * prefix
15930 cps->comboList[cps->comboCnt++] = q;
15932 cps->comboList[cps->comboCnt++] = NULL;
15934 opt->type = ComboBox;
15935 } else if(p = strstr(opt->name, " -button")) {
15936 opt->type = Button;
15937 } else if(p = strstr(opt->name, " -save")) {
15938 opt->type = SaveButton;
15939 } else return FALSE;
15940 *p = 0; // terminate option name
15941 // now look if the command-line options define a setting for this engine option.
15942 if(cps->optionSettings && cps->optionSettings[0])
15943 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15944 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15945 snprintf(buf, MSG_SIZ, "option %s", p);
15946 if(p = strstr(buf, ",")) *p = 0;
15947 if(q = strchr(buf, '=')) switch(opt->type) {
15949 for(n=0; n<opt->max; n++)
15950 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15953 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15957 opt->value = atoi(q+1);
15962 SendToProgram(buf, cps);
15968 FeatureDone (ChessProgramState *cps, int val)
15970 DelayedEventCallback cb = GetDelayedEvent();
15971 if ((cb == InitBackEnd3 && cps == &first) ||
15972 (cb == SettingsMenuIfReady && cps == &second) ||
15973 (cb == LoadEngine) ||
15974 (cb == TwoMachinesEventIfReady)) {
15975 CancelDelayedEvent();
15976 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15978 cps->initDone = val;
15981 /* Parse feature command from engine */
15983 ParseFeatures (char *args, ChessProgramState *cps)
15991 while (*p == ' ') p++;
15992 if (*p == NULLCHAR) return;
15994 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15995 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15996 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15997 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15998 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15999 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16000 if (BoolFeature(&p, "reuse", &val, cps)) {
16001 /* Engine can disable reuse, but can't enable it if user said no */
16002 if (!val) cps->reuse = FALSE;
16005 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16006 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16007 if (gameMode == TwoMachinesPlay) {
16008 DisplayTwoMachinesTitle();
16014 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16015 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16016 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16017 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16018 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16019 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16020 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16021 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16022 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16023 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16024 if (IntFeature(&p, "done", &val, cps)) {
16025 FeatureDone(cps, val);
16028 /* Added by Tord: */
16029 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16030 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16031 /* End of additions by Tord */
16033 /* [HGM] added features: */
16034 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16035 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16036 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16037 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16038 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16039 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16040 if (StringFeature(&p, "option", buf, cps)) {
16041 FREE(cps->option[cps->nrOptions].name);
16042 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16043 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16044 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16045 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16046 SendToProgram(buf, cps);
16049 if(cps->nrOptions >= MAX_OPTIONS) {
16051 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16052 DisplayError(buf, 0);
16056 /* End of additions by HGM */
16058 /* unknown feature: complain and skip */
16060 while (*q && *q != '=') q++;
16061 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16062 SendToProgram(buf, cps);
16068 while (*p && *p != '\"') p++;
16069 if (*p == '\"') p++;
16071 while (*p && *p != ' ') p++;
16079 PeriodicUpdatesEvent (int newState)
16081 if (newState == appData.periodicUpdates)
16084 appData.periodicUpdates=newState;
16086 /* Display type changes, so update it now */
16087 // DisplayAnalysis();
16089 /* Get the ball rolling again... */
16091 AnalysisPeriodicEvent(1);
16092 StartAnalysisClock();
16097 PonderNextMoveEvent (int newState)
16099 if (newState == appData.ponderNextMove) return;
16100 if (gameMode == EditPosition) EditPositionDone(TRUE);
16102 SendToProgram("hard\n", &first);
16103 if (gameMode == TwoMachinesPlay) {
16104 SendToProgram("hard\n", &second);
16107 SendToProgram("easy\n", &first);
16108 thinkOutput[0] = NULLCHAR;
16109 if (gameMode == TwoMachinesPlay) {
16110 SendToProgram("easy\n", &second);
16113 appData.ponderNextMove = newState;
16117 NewSettingEvent (int option, int *feature, char *command, int value)
16121 if (gameMode == EditPosition) EditPositionDone(TRUE);
16122 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16123 if(feature == NULL || *feature) SendToProgram(buf, &first);
16124 if (gameMode == TwoMachinesPlay) {
16125 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16130 ShowThinkingEvent ()
16131 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16133 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16134 int newState = appData.showThinking
16135 // [HGM] thinking: other features now need thinking output as well
16136 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16138 if (oldState == newState) return;
16139 oldState = newState;
16140 if (gameMode == EditPosition) EditPositionDone(TRUE);
16142 SendToProgram("post\n", &first);
16143 if (gameMode == TwoMachinesPlay) {
16144 SendToProgram("post\n", &second);
16147 SendToProgram("nopost\n", &first);
16148 thinkOutput[0] = NULLCHAR;
16149 if (gameMode == TwoMachinesPlay) {
16150 SendToProgram("nopost\n", &second);
16153 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16157 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16159 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16160 if (pr == NoProc) return;
16161 AskQuestion(title, question, replyPrefix, pr);
16165 TypeInEvent (char firstChar)
16167 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16168 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16169 gameMode == AnalyzeMode || gameMode == EditGame ||
16170 gameMode == EditPosition || gameMode == IcsExamining ||
16171 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16172 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16173 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16174 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16175 gameMode == Training) PopUpMoveDialog(firstChar);
16179 TypeInDoneEvent (char *move)
16182 int n, fromX, fromY, toX, toY;
16184 ChessMove moveType;
16187 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16188 EditPositionPasteFEN(move);
16191 // [HGM] movenum: allow move number to be typed in any mode
16192 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16196 // undocumented kludge: allow command-line option to be typed in!
16197 // (potentially fatal, and does not implement the effect of the option.)
16198 // should only be used for options that are values on which future decisions will be made,
16199 // and definitely not on options that would be used during initialization.
16200 if(strstr(move, "!!! -") == move) {
16201 ParseArgsFromString(move+4);
16205 if (gameMode != EditGame && currentMove != forwardMostMove &&
16206 gameMode != Training) {
16207 DisplayMoveError(_("Displayed move is not current"));
16209 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16210 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16211 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16212 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16213 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16214 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16216 DisplayMoveError(_("Could not parse move"));
16222 DisplayMove (int moveNumber)
16224 char message[MSG_SIZ];
16226 char cpThinkOutput[MSG_SIZ];
16228 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16230 if (moveNumber == forwardMostMove - 1 ||
16231 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16233 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16235 if (strchr(cpThinkOutput, '\n')) {
16236 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16239 *cpThinkOutput = NULLCHAR;
16242 /* [AS] Hide thinking from human user */
16243 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16244 *cpThinkOutput = NULLCHAR;
16245 if( thinkOutput[0] != NULLCHAR ) {
16248 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16249 cpThinkOutput[i] = '.';
16251 cpThinkOutput[i] = NULLCHAR;
16252 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16256 if (moveNumber == forwardMostMove - 1 &&
16257 gameInfo.resultDetails != NULL) {
16258 if (gameInfo.resultDetails[0] == NULLCHAR) {
16259 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16261 snprintf(res, MSG_SIZ, " {%s} %s",
16262 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16268 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16269 DisplayMessage(res, cpThinkOutput);
16271 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16272 WhiteOnMove(moveNumber) ? " " : ".. ",
16273 parseList[moveNumber], res);
16274 DisplayMessage(message, cpThinkOutput);
16279 DisplayComment (int moveNumber, char *text)
16281 char title[MSG_SIZ];
16283 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16284 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16286 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16287 WhiteOnMove(moveNumber) ? " " : ".. ",
16288 parseList[moveNumber]);
16290 if (text != NULL && (appData.autoDisplayComment || commentUp))
16291 CommentPopUp(title, text);
16294 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16295 * might be busy thinking or pondering. It can be omitted if your
16296 * gnuchess is configured to stop thinking immediately on any user
16297 * input. However, that gnuchess feature depends on the FIONREAD
16298 * ioctl, which does not work properly on some flavors of Unix.
16301 Attention (ChessProgramState *cps)
16304 if (!cps->useSigint) return;
16305 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16306 switch (gameMode) {
16307 case MachinePlaysWhite:
16308 case MachinePlaysBlack:
16309 case TwoMachinesPlay:
16310 case IcsPlayingWhite:
16311 case IcsPlayingBlack:
16314 /* Skip if we know it isn't thinking */
16315 if (!cps->maybeThinking) return;
16316 if (appData.debugMode)
16317 fprintf(debugFP, "Interrupting %s\n", cps->which);
16318 InterruptChildProcess(cps->pr);
16319 cps->maybeThinking = FALSE;
16324 #endif /*ATTENTION*/
16330 if (whiteTimeRemaining <= 0) {
16333 if (appData.icsActive) {
16334 if (appData.autoCallFlag &&
16335 gameMode == IcsPlayingBlack && !blackFlag) {
16336 SendToICS(ics_prefix);
16337 SendToICS("flag\n");
16341 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16343 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16344 if (appData.autoCallFlag) {
16345 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16352 if (blackTimeRemaining <= 0) {
16355 if (appData.icsActive) {
16356 if (appData.autoCallFlag &&
16357 gameMode == IcsPlayingWhite && !whiteFlag) {
16358 SendToICS(ics_prefix);
16359 SendToICS("flag\n");
16363 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16365 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16366 if (appData.autoCallFlag) {
16367 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16378 CheckTimeControl ()
16380 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16381 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16384 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16386 if ( !WhiteOnMove(forwardMostMove) ) {
16387 /* White made time control */
16388 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16389 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16390 /* [HGM] time odds: correct new time quota for time odds! */
16391 / WhitePlayer()->timeOdds;
16392 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16394 lastBlack -= blackTimeRemaining;
16395 /* Black made time control */
16396 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16397 / WhitePlayer()->other->timeOdds;
16398 lastWhite = whiteTimeRemaining;
16403 DisplayBothClocks ()
16405 int wom = gameMode == EditPosition ?
16406 !blackPlaysFirst : WhiteOnMove(currentMove);
16407 DisplayWhiteClock(whiteTimeRemaining, wom);
16408 DisplayBlackClock(blackTimeRemaining, !wom);
16412 /* Timekeeping seems to be a portability nightmare. I think everyone
16413 has ftime(), but I'm really not sure, so I'm including some ifdefs
16414 to use other calls if you don't. Clocks will be less accurate if
16415 you have neither ftime nor gettimeofday.
16418 /* VS 2008 requires the #include outside of the function */
16419 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16420 #include <sys/timeb.h>
16423 /* Get the current time as a TimeMark */
16425 GetTimeMark (TimeMark *tm)
16427 #if HAVE_GETTIMEOFDAY
16429 struct timeval timeVal;
16430 struct timezone timeZone;
16432 gettimeofday(&timeVal, &timeZone);
16433 tm->sec = (long) timeVal.tv_sec;
16434 tm->ms = (int) (timeVal.tv_usec / 1000L);
16436 #else /*!HAVE_GETTIMEOFDAY*/
16439 // include <sys/timeb.h> / moved to just above start of function
16440 struct timeb timeB;
16443 tm->sec = (long) timeB.time;
16444 tm->ms = (int) timeB.millitm;
16446 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16447 tm->sec = (long) time(NULL);
16453 /* Return the difference in milliseconds between two
16454 time marks. We assume the difference will fit in a long!
16457 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16459 return 1000L*(tm2->sec - tm1->sec) +
16460 (long) (tm2->ms - tm1->ms);
16465 * Code to manage the game clocks.
16467 * In tournament play, black starts the clock and then white makes a move.
16468 * We give the human user a slight advantage if he is playing white---the
16469 * clocks don't run until he makes his first move, so it takes zero time.
16470 * Also, we don't account for network lag, so we could get out of sync
16471 * with GNU Chess's clock -- but then, referees are always right.
16474 static TimeMark tickStartTM;
16475 static long intendedTickLength;
16478 NextTickLength (long timeRemaining)
16480 long nominalTickLength, nextTickLength;
16482 if (timeRemaining > 0L && timeRemaining <= 10000L)
16483 nominalTickLength = 100L;
16485 nominalTickLength = 1000L;
16486 nextTickLength = timeRemaining % nominalTickLength;
16487 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16489 return nextTickLength;
16492 /* Adjust clock one minute up or down */
16494 AdjustClock (Boolean which, int dir)
16496 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16497 if(which) blackTimeRemaining += 60000*dir;
16498 else whiteTimeRemaining += 60000*dir;
16499 DisplayBothClocks();
16500 adjustedClock = TRUE;
16503 /* Stop clocks and reset to a fresh time control */
16507 (void) StopClockTimer();
16508 if (appData.icsActive) {
16509 whiteTimeRemaining = blackTimeRemaining = 0;
16510 } else if (searchTime) {
16511 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16512 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16513 } else { /* [HGM] correct new time quote for time odds */
16514 whiteTC = blackTC = fullTimeControlString;
16515 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16516 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16518 if (whiteFlag || blackFlag) {
16520 whiteFlag = blackFlag = FALSE;
16522 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16523 DisplayBothClocks();
16524 adjustedClock = FALSE;
16527 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16529 /* Decrement running clock by amount of time that has passed */
16533 long timeRemaining;
16534 long lastTickLength, fudge;
16537 if (!appData.clockMode) return;
16538 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16542 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16544 /* Fudge if we woke up a little too soon */
16545 fudge = intendedTickLength - lastTickLength;
16546 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16548 if (WhiteOnMove(forwardMostMove)) {
16549 if(whiteNPS >= 0) lastTickLength = 0;
16550 timeRemaining = whiteTimeRemaining -= lastTickLength;
16551 if(timeRemaining < 0 && !appData.icsActive) {
16552 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16553 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16554 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16555 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16558 DisplayWhiteClock(whiteTimeRemaining - fudge,
16559 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16561 if(blackNPS >= 0) lastTickLength = 0;
16562 timeRemaining = blackTimeRemaining -= lastTickLength;
16563 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16564 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16566 blackStartMove = forwardMostMove;
16567 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16570 DisplayBlackClock(blackTimeRemaining - fudge,
16571 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16573 if (CheckFlags()) return;
16575 if(twoBoards) { // count down secondary board's clocks as well
16576 activePartnerTime -= lastTickLength;
16578 if(activePartner == 'W')
16579 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16581 DisplayBlackClock(activePartnerTime, TRUE);
16586 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16587 StartClockTimer(intendedTickLength);
16589 /* if the time remaining has fallen below the alarm threshold, sound the
16590 * alarm. if the alarm has sounded and (due to a takeback or time control
16591 * with increment) the time remaining has increased to a level above the
16592 * threshold, reset the alarm so it can sound again.
16595 if (appData.icsActive && appData.icsAlarm) {
16597 /* make sure we are dealing with the user's clock */
16598 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16599 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16602 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16603 alarmSounded = FALSE;
16604 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16606 alarmSounded = TRUE;
16612 /* A player has just moved, so stop the previously running
16613 clock and (if in clock mode) start the other one.
16614 We redisplay both clocks in case we're in ICS mode, because
16615 ICS gives us an update to both clocks after every move.
16616 Note that this routine is called *after* forwardMostMove
16617 is updated, so the last fractional tick must be subtracted
16618 from the color that is *not* on move now.
16621 SwitchClocks (int newMoveNr)
16623 long lastTickLength;
16625 int flagged = FALSE;
16629 if (StopClockTimer() && appData.clockMode) {
16630 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16631 if (!WhiteOnMove(forwardMostMove)) {
16632 if(blackNPS >= 0) lastTickLength = 0;
16633 blackTimeRemaining -= lastTickLength;
16634 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16635 // if(pvInfoList[forwardMostMove].time == -1)
16636 pvInfoList[forwardMostMove].time = // use GUI time
16637 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16639 if(whiteNPS >= 0) lastTickLength = 0;
16640 whiteTimeRemaining -= lastTickLength;
16641 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16642 // if(pvInfoList[forwardMostMove].time == -1)
16643 pvInfoList[forwardMostMove].time =
16644 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16646 flagged = CheckFlags();
16648 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16649 CheckTimeControl();
16651 if (flagged || !appData.clockMode) return;
16653 switch (gameMode) {
16654 case MachinePlaysBlack:
16655 case MachinePlaysWhite:
16656 case BeginningOfGame:
16657 if (pausing) return;
16661 case PlayFromGameFile:
16669 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16670 if(WhiteOnMove(forwardMostMove))
16671 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16672 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16676 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16677 whiteTimeRemaining : blackTimeRemaining);
16678 StartClockTimer(intendedTickLength);
16682 /* Stop both clocks */
16686 long lastTickLength;
16689 if (!StopClockTimer()) return;
16690 if (!appData.clockMode) return;
16694 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16695 if (WhiteOnMove(forwardMostMove)) {
16696 if(whiteNPS >= 0) lastTickLength = 0;
16697 whiteTimeRemaining -= lastTickLength;
16698 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16700 if(blackNPS >= 0) lastTickLength = 0;
16701 blackTimeRemaining -= lastTickLength;
16702 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16707 /* Start clock of player on move. Time may have been reset, so
16708 if clock is already running, stop and restart it. */
16712 (void) StopClockTimer(); /* in case it was running already */
16713 DisplayBothClocks();
16714 if (CheckFlags()) return;
16716 if (!appData.clockMode) return;
16717 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16719 GetTimeMark(&tickStartTM);
16720 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16721 whiteTimeRemaining : blackTimeRemaining);
16723 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16724 whiteNPS = blackNPS = -1;
16725 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16726 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16727 whiteNPS = first.nps;
16728 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16729 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16730 blackNPS = first.nps;
16731 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16732 whiteNPS = second.nps;
16733 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16734 blackNPS = second.nps;
16735 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16737 StartClockTimer(intendedTickLength);
16741 TimeString (long ms)
16743 long second, minute, hour, day;
16745 static char buf[32];
16747 if (ms > 0 && ms <= 9900) {
16748 /* convert milliseconds to tenths, rounding up */
16749 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16751 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16755 /* convert milliseconds to seconds, rounding up */
16756 /* use floating point to avoid strangeness of integer division
16757 with negative dividends on many machines */
16758 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16765 day = second / (60 * 60 * 24);
16766 second = second % (60 * 60 * 24);
16767 hour = second / (60 * 60);
16768 second = second % (60 * 60);
16769 minute = second / 60;
16770 second = second % 60;
16773 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16774 sign, day, hour, minute, second);
16776 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16778 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16785 * This is necessary because some C libraries aren't ANSI C compliant yet.
16788 StrStr (char *string, char *match)
16792 length = strlen(match);
16794 for (i = strlen(string) - length; i >= 0; i--, string++)
16795 if (!strncmp(match, string, length))
16802 StrCaseStr (char *string, char *match)
16806 length = strlen(match);
16808 for (i = strlen(string) - length; i >= 0; i--, string++) {
16809 for (j = 0; j < length; j++) {
16810 if (ToLower(match[j]) != ToLower(string[j]))
16813 if (j == length) return string;
16821 StrCaseCmp (char *s1, char *s2)
16826 c1 = ToLower(*s1++);
16827 c2 = ToLower(*s2++);
16828 if (c1 > c2) return 1;
16829 if (c1 < c2) return -1;
16830 if (c1 == NULLCHAR) return 0;
16838 return isupper(c) ? tolower(c) : c;
16845 return islower(c) ? toupper(c) : c;
16847 #endif /* !_amigados */
16854 if ((ret = (char *) malloc(strlen(s) + 1)))
16856 safeStrCpy(ret, s, strlen(s)+1);
16862 StrSavePtr (char *s, char **savePtr)
16867 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16868 safeStrCpy(*savePtr, s, strlen(s)+1);
16880 clock = time((time_t *)NULL);
16881 tm = localtime(&clock);
16882 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16883 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16884 return StrSave(buf);
16889 PositionToFEN (int move, char *overrideCastling)
16891 int i, j, fromX, fromY, toX, toY;
16898 whiteToPlay = (gameMode == EditPosition) ?
16899 !blackPlaysFirst : (move % 2 == 0);
16902 /* Piece placement data */
16903 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16904 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16906 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16907 if (boards[move][i][j] == EmptySquare) {
16909 } else { ChessSquare piece = boards[move][i][j];
16910 if (emptycount > 0) {
16911 if(emptycount<10) /* [HGM] can be >= 10 */
16912 *p++ = '0' + emptycount;
16913 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16916 if(PieceToChar(piece) == '+') {
16917 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16919 piece = (ChessSquare)(DEMOTED piece);
16921 *p++ = PieceToChar(piece);
16923 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16924 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16929 if (emptycount > 0) {
16930 if(emptycount<10) /* [HGM] can be >= 10 */
16931 *p++ = '0' + emptycount;
16932 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16939 /* [HGM] print Crazyhouse or Shogi holdings */
16940 if( gameInfo.holdingsWidth ) {
16941 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16943 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16944 piece = boards[move][i][BOARD_WIDTH-1];
16945 if( piece != EmptySquare )
16946 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16947 *p++ = PieceToChar(piece);
16949 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16950 piece = boards[move][BOARD_HEIGHT-i-1][0];
16951 if( piece != EmptySquare )
16952 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16953 *p++ = PieceToChar(piece);
16956 if( q == p ) *p++ = '-';
16962 *p++ = whiteToPlay ? 'w' : 'b';
16965 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16966 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16968 if(nrCastlingRights) {
16970 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16971 /* [HGM] write directly from rights */
16972 if(boards[move][CASTLING][2] != NoRights &&
16973 boards[move][CASTLING][0] != NoRights )
16974 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16975 if(boards[move][CASTLING][2] != NoRights &&
16976 boards[move][CASTLING][1] != NoRights )
16977 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16978 if(boards[move][CASTLING][5] != NoRights &&
16979 boards[move][CASTLING][3] != NoRights )
16980 *p++ = boards[move][CASTLING][3] + AAA;
16981 if(boards[move][CASTLING][5] != NoRights &&
16982 boards[move][CASTLING][4] != NoRights )
16983 *p++ = boards[move][CASTLING][4] + AAA;
16986 /* [HGM] write true castling rights */
16987 if( nrCastlingRights == 6 ) {
16989 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16990 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16991 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16992 boards[move][CASTLING][2] != NoRights );
16993 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
16994 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
16995 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16996 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
16997 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17001 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17002 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17003 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17004 boards[move][CASTLING][5] != NoRights );
17005 if(gameInfo.variant == VariantSChess) {
17006 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17007 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17008 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17009 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17014 if (q == p) *p++ = '-'; /* No castling rights */
17018 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17019 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17020 /* En passant target square */
17021 if (move > backwardMostMove) {
17022 fromX = moveList[move - 1][0] - AAA;
17023 fromY = moveList[move - 1][1] - ONE;
17024 toX = moveList[move - 1][2] - AAA;
17025 toY = moveList[move - 1][3] - ONE;
17026 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17027 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17028 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17030 /* 2-square pawn move just happened */
17032 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17036 } else if(move == backwardMostMove) {
17037 // [HGM] perhaps we should always do it like this, and forget the above?
17038 if((signed char)boards[move][EP_STATUS] >= 0) {
17039 *p++ = boards[move][EP_STATUS] + AAA;
17040 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17051 /* [HGM] find reversible plies */
17052 { int i = 0, j=move;
17054 if (appData.debugMode) { int k;
17055 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17056 for(k=backwardMostMove; k<=forwardMostMove; k++)
17057 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17061 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17062 if( j == backwardMostMove ) i += initialRulePlies;
17063 sprintf(p, "%d ", i);
17064 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17066 /* Fullmove number */
17067 sprintf(p, "%d", (move / 2) + 1);
17069 return StrSave(buf);
17073 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17077 int emptycount, virgin[BOARD_FILES];
17082 /* [HGM] by default clear Crazyhouse holdings, if present */
17083 if(gameInfo.holdingsWidth) {
17084 for(i=0; i<BOARD_HEIGHT; i++) {
17085 board[i][0] = EmptySquare; /* black holdings */
17086 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17087 board[i][1] = (ChessSquare) 0; /* black counts */
17088 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17092 /* Piece placement data */
17093 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17096 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17097 if (*p == '/') p++;
17098 emptycount = gameInfo.boardWidth - j;
17099 while (emptycount--)
17100 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17102 #if(BOARD_FILES >= 10)
17103 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17104 p++; emptycount=10;
17105 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17106 while (emptycount--)
17107 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17109 } else if (isdigit(*p)) {
17110 emptycount = *p++ - '0';
17111 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17112 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17113 while (emptycount--)
17114 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17115 } else if (*p == '+' || isalpha(*p)) {
17116 if (j >= gameInfo.boardWidth) return FALSE;
17118 piece = CharToPiece(*++p);
17119 if(piece == EmptySquare) return FALSE; /* unknown piece */
17120 piece = (ChessSquare) (PROMOTED piece ); p++;
17121 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17122 } else piece = CharToPiece(*p++);
17124 if(piece==EmptySquare) return FALSE; /* unknown piece */
17125 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17126 piece = (ChessSquare) (PROMOTED piece);
17127 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17130 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17136 while (*p == '/' || *p == ' ') p++;
17138 /* [HGM] look for Crazyhouse holdings here */
17139 while(*p==' ') p++;
17140 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17142 if(*p == '-' ) p++; /* empty holdings */ else {
17143 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17144 /* if we would allow FEN reading to set board size, we would */
17145 /* have to add holdings and shift the board read so far here */
17146 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17148 if((int) piece >= (int) BlackPawn ) {
17149 i = (int)piece - (int)BlackPawn;
17150 i = PieceToNumber((ChessSquare)i);
17151 if( i >= gameInfo.holdingsSize ) return FALSE;
17152 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17153 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17155 i = (int)piece - (int)WhitePawn;
17156 i = PieceToNumber((ChessSquare)i);
17157 if( i >= gameInfo.holdingsSize ) return FALSE;
17158 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17159 board[i][BOARD_WIDTH-2]++; /* black holdings */
17166 while(*p == ' ') p++;
17170 if(appData.colorNickNames) {
17171 if( c == appData.colorNickNames[0] ) c = 'w'; else
17172 if( c == appData.colorNickNames[1] ) c = 'b';
17176 *blackPlaysFirst = FALSE;
17179 *blackPlaysFirst = TRUE;
17185 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17186 /* return the extra info in global variiables */
17188 /* set defaults in case FEN is incomplete */
17189 board[EP_STATUS] = EP_UNKNOWN;
17190 for(i=0; i<nrCastlingRights; i++ ) {
17191 board[CASTLING][i] =
17192 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17193 } /* assume possible unless obviously impossible */
17194 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17195 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17196 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17197 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17198 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17199 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17200 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17201 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17204 while(*p==' ') p++;
17205 if(nrCastlingRights) {
17206 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17207 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17208 /* castling indicator present, so default becomes no castlings */
17209 for(i=0; i<nrCastlingRights; i++ ) {
17210 board[CASTLING][i] = NoRights;
17213 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17214 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17215 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17216 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17217 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17219 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17220 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17221 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17223 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17224 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17225 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17226 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17227 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17228 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17231 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17232 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17233 board[CASTLING][2] = whiteKingFile;
17234 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17235 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17238 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17239 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17240 board[CASTLING][2] = whiteKingFile;
17241 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17242 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17245 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17246 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17247 board[CASTLING][5] = blackKingFile;
17248 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17249 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17252 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17253 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17254 board[CASTLING][5] = blackKingFile;
17255 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17256 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17259 default: /* FRC castlings */
17260 if(c >= 'a') { /* black rights */
17261 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17262 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17263 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17264 if(i == BOARD_RGHT) break;
17265 board[CASTLING][5] = i;
17267 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17268 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17270 board[CASTLING][3] = c;
17272 board[CASTLING][4] = c;
17273 } else { /* white rights */
17274 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17275 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17276 if(board[0][i] == WhiteKing) break;
17277 if(i == BOARD_RGHT) break;
17278 board[CASTLING][2] = i;
17279 c -= AAA - 'a' + 'A';
17280 if(board[0][c] >= WhiteKing) break;
17282 board[CASTLING][0] = c;
17284 board[CASTLING][1] = c;
17288 for(i=0; i<nrCastlingRights; i++)
17289 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17290 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17291 if (appData.debugMode) {
17292 fprintf(debugFP, "FEN castling rights:");
17293 for(i=0; i<nrCastlingRights; i++)
17294 fprintf(debugFP, " %d", board[CASTLING][i]);
17295 fprintf(debugFP, "\n");
17298 while(*p==' ') p++;
17301 /* read e.p. field in games that know e.p. capture */
17302 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17303 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17305 p++; board[EP_STATUS] = EP_NONE;
17307 char c = *p++ - AAA;
17309 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17310 if(*p >= '0' && *p <='9') p++;
17311 board[EP_STATUS] = c;
17316 if(sscanf(p, "%d", &i) == 1) {
17317 FENrulePlies = i; /* 50-move ply counter */
17318 /* (The move number is still ignored) */
17325 EditPositionPasteFEN (char *fen)
17328 Board initial_position;
17330 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17331 DisplayError(_("Bad FEN position in clipboard"), 0);
17334 int savedBlackPlaysFirst = blackPlaysFirst;
17335 EditPositionEvent();
17336 blackPlaysFirst = savedBlackPlaysFirst;
17337 CopyBoard(boards[0], initial_position);
17338 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17339 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17340 DisplayBothClocks();
17341 DrawPosition(FALSE, boards[currentMove]);
17346 static char cseq[12] = "\\ ";
17349 set_cont_sequence (char *new_seq)
17354 // handle bad attempts to set the sequence
17356 return 0; // acceptable error - no debug
17358 len = strlen(new_seq);
17359 ret = (len > 0) && (len < sizeof(cseq));
17361 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17362 else if (appData.debugMode)
17363 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17368 reformat a source message so words don't cross the width boundary. internal
17369 newlines are not removed. returns the wrapped size (no null character unless
17370 included in source message). If dest is NULL, only calculate the size required
17371 for the dest buffer. lp argument indicats line position upon entry, and it's
17372 passed back upon exit.
17375 wrap (char *dest, char *src, int count, int width, int *lp)
17377 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17379 cseq_len = strlen(cseq);
17380 old_line = line = *lp;
17381 ansi = len = clen = 0;
17383 for (i=0; i < count; i++)
17385 if (src[i] == '\033')
17388 // if we hit the width, back up
17389 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17391 // store i & len in case the word is too long
17392 old_i = i, old_len = len;
17394 // find the end of the last word
17395 while (i && src[i] != ' ' && src[i] != '\n')
17401 // word too long? restore i & len before splitting it
17402 if ((old_i-i+clen) >= width)
17409 if (i && src[i-1] == ' ')
17412 if (src[i] != ' ' && src[i] != '\n')
17419 // now append the newline and continuation sequence
17424 strncpy(dest+len, cseq, cseq_len);
17432 dest[len] = src[i];
17436 if (src[i] == '\n')
17441 if (dest && appData.debugMode)
17443 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17444 count, width, line, len, *lp);
17445 show_bytes(debugFP, src, count);
17446 fprintf(debugFP, "\ndest: ");
17447 show_bytes(debugFP, dest, len);
17448 fprintf(debugFP, "\n");
17450 *lp = dest ? line : old_line;
17455 // [HGM] vari: routines for shelving variations
17456 Boolean modeRestore = FALSE;
17459 PushInner (int firstMove, int lastMove)
17461 int i, j, nrMoves = lastMove - firstMove;
17463 // push current tail of game on stack
17464 savedResult[storedGames] = gameInfo.result;
17465 savedDetails[storedGames] = gameInfo.resultDetails;
17466 gameInfo.resultDetails = NULL;
17467 savedFirst[storedGames] = firstMove;
17468 savedLast [storedGames] = lastMove;
17469 savedFramePtr[storedGames] = framePtr;
17470 framePtr -= nrMoves; // reserve space for the boards
17471 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17472 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17473 for(j=0; j<MOVE_LEN; j++)
17474 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17475 for(j=0; j<2*MOVE_LEN; j++)
17476 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17477 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17478 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17479 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17480 pvInfoList[firstMove+i-1].depth = 0;
17481 commentList[framePtr+i] = commentList[firstMove+i];
17482 commentList[firstMove+i] = NULL;
17486 forwardMostMove = firstMove; // truncate game so we can start variation
17490 PushTail (int firstMove, int lastMove)
17492 if(appData.icsActive) { // only in local mode
17493 forwardMostMove = currentMove; // mimic old ICS behavior
17496 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17498 PushInner(firstMove, lastMove);
17499 if(storedGames == 1) GreyRevert(FALSE);
17500 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17504 PopInner (Boolean annotate)
17507 char buf[8000], moveBuf[20];
17509 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17510 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17511 nrMoves = savedLast[storedGames] - currentMove;
17514 if(!WhiteOnMove(currentMove))
17515 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17516 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17517 for(i=currentMove; i<forwardMostMove; i++) {
17519 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17520 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17521 strcat(buf, moveBuf);
17522 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17523 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17527 for(i=1; i<=nrMoves; i++) { // copy last variation back
17528 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17529 for(j=0; j<MOVE_LEN; j++)
17530 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17531 for(j=0; j<2*MOVE_LEN; j++)
17532 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17533 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17534 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17535 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17536 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17537 commentList[currentMove+i] = commentList[framePtr+i];
17538 commentList[framePtr+i] = NULL;
17540 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17541 framePtr = savedFramePtr[storedGames];
17542 gameInfo.result = savedResult[storedGames];
17543 if(gameInfo.resultDetails != NULL) {
17544 free(gameInfo.resultDetails);
17546 gameInfo.resultDetails = savedDetails[storedGames];
17547 forwardMostMove = currentMove + nrMoves;
17551 PopTail (Boolean annotate)
17553 if(appData.icsActive) return FALSE; // only in local mode
17554 if(!storedGames) return FALSE; // sanity
17555 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17557 PopInner(annotate);
17558 if(currentMove < forwardMostMove) ForwardEvent(); else
17559 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17561 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17567 { // remove all shelved variations
17569 for(i=0; i<storedGames; i++) {
17570 if(savedDetails[i])
17571 free(savedDetails[i]);
17572 savedDetails[i] = NULL;
17574 for(i=framePtr; i<MAX_MOVES; i++) {
17575 if(commentList[i]) free(commentList[i]);
17576 commentList[i] = NULL;
17578 framePtr = MAX_MOVES-1;
17583 LoadVariation (int index, char *text)
17584 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17585 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17586 int level = 0, move;
17588 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17589 // first find outermost bracketing variation
17590 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17591 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17592 if(*p == '{') wait = '}'; else
17593 if(*p == '[') wait = ']'; else
17594 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17595 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17597 if(*p == wait) wait = NULLCHAR; // closing ]} found
17600 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17601 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17602 end[1] = NULLCHAR; // clip off comment beyond variation
17603 ToNrEvent(currentMove-1);
17604 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17605 // kludge: use ParsePV() to append variation to game
17606 move = currentMove;
17607 ParsePV(start, TRUE, TRUE);
17608 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17609 ClearPremoveHighlights();
17611 ToNrEvent(currentMove+1);
17617 char *p, *q, buf[MSG_SIZ];
17618 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17619 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17620 ParseArgsFromString(buf);
17621 ActivateTheme(TRUE); // also redo colors
17625 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17628 q = appData.themeNames;
17629 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17630 if(appData.useBitmaps) {
17631 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17632 appData.liteBackTextureFile, appData.darkBackTextureFile,
17633 appData.liteBackTextureMode,
17634 appData.darkBackTextureMode );
17636 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17637 Col2Text(2), // lightSquareColor
17638 Col2Text(3) ); // darkSquareColor
17640 if(appData.useBorder) {
17641 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17644 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17646 if(appData.useFont) {
17647 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17648 appData.renderPiecesWithFont,
17649 appData.fontToPieceTable,
17650 Col2Text(9), // appData.fontBackColorWhite
17651 Col2Text(10) ); // appData.fontForeColorBlack
17653 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17654 appData.pieceDirectory);
17655 if(!appData.pieceDirectory[0])
17656 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17657 Col2Text(0), // whitePieceColor
17658 Col2Text(1) ); // blackPieceColor
17660 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17661 Col2Text(4), // highlightSquareColor
17662 Col2Text(5) ); // premoveHighlightColor
17663 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17664 if(insert != q) insert[-1] = NULLCHAR;
17665 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17668 ActivateTheme(FALSE);