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 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"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 /* A point in time */
152 long sec; /* Assuming this is >= 32 bits */
153 int ms; /* Assuming this is >= 16 bits */
156 int establish P((void));
157 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
158 char *buf, int count, int error));
159 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
160 char *buf, int count, int error));
161 void ics_printf P((char *format, ...));
162 void SendToICS P((char *s));
163 void SendToICSDelayed P((char *s, long msdelay));
164 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
165 void HandleMachineMove P((char *message, ChessProgramState *cps));
166 int AutoPlayOneMove P((void));
167 int LoadGameOneMove P((ChessMove readAhead));
168 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
169 int LoadPositionFromFile P((char *filename, int n, char *title));
170 int SavePositionToFile P((char *filename));
171 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
173 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
174 void ShowMove P((int fromX, int fromY, int toX, int toY));
175 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
176 /*char*/int promoChar));
177 void BackwardInner P((int target));
178 void ForwardInner P((int target));
179 int Adjudicate P((ChessProgramState *cps));
180 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
181 void EditPositionDone P((Boolean fakeRights));
182 void PrintOpponents P((FILE *fp));
183 void PrintPosition P((FILE *fp, int move));
184 void StartChessProgram P((ChessProgramState *cps));
185 void SendToProgram P((char *message, ChessProgramState *cps));
186 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
187 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
188 char *buf, int count, int error));
189 void SendTimeControl P((ChessProgramState *cps,
190 int mps, long tc, int inc, int sd, int st));
191 char *TimeControlTagValue P((void));
192 void Attention P((ChessProgramState *cps));
193 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
194 int ResurrectChessProgram P((void));
195 void DisplayComment P((int moveNumber, char *text));
196 void DisplayMove P((int moveNumber));
198 void ParseGameHistory P((char *game));
199 void ParseBoard12 P((char *string));
200 void KeepAlive P((void));
201 void StartClocks P((void));
202 void SwitchClocks P((int nr));
203 void StopClocks P((void));
204 void ResetClocks P((void));
205 char *PGNDate P((void));
206 void SetGameInfo P((void));
207 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
208 int RegisterMove P((void));
209 void MakeRegisteredMove P((void));
210 void TruncateGame P((void));
211 int looking_at P((char *, int *, char *));
212 void CopyPlayerNameIntoFileName P((char **, char *));
213 char *SavePart P((char *));
214 int SaveGameOldStyle P((FILE *));
215 int SaveGamePGN P((FILE *));
216 void GetTimeMark P((TimeMark *));
217 long SubtractTimeMarks P((TimeMark *, TimeMark *));
218 int CheckFlags P((void));
219 long NextTickLength P((long));
220 void CheckTimeControl P((void));
221 void show_bytes P((FILE *, char *, int));
222 int string_to_rating P((char *str));
223 void ParseFeatures P((char* args, ChessProgramState *cps));
224 void InitBackEnd3 P((void));
225 void FeatureDone P((ChessProgramState* cps, int val));
226 void InitChessProgram P((ChessProgramState *cps, int setup));
227 void OutputKibitz(int window, char *text);
228 int PerpetualChase(int first, int last);
229 int EngineOutputIsUp();
230 void InitDrawingSizes(int x, int y);
231 void NextMatchGame P((void));
232 int NextTourneyGame P((int nr, int *swap));
233 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
234 FILE *WriteTourneyFile P((char *results, FILE *f));
235 void DisplayTwoMachinesTitle P(());
238 extern void ConsoleCreate();
241 ChessProgramState *WhitePlayer();
242 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
243 int VerifyDisplayMode P(());
245 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
246 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
247 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
248 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
249 void ics_update_width P((int new_width));
250 extern char installDir[MSG_SIZ];
251 VariantClass startVariant; /* [HGM] nicks: initial variant */
254 extern int tinyLayout, smallLayout;
255 ChessProgramStats programStats;
256 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
258 static int exiting = 0; /* [HGM] moved to top */
259 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
260 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
261 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
262 int partnerHighlight[2];
263 Boolean partnerBoardValid = 0;
264 char partnerStatus[MSG_SIZ];
266 Boolean originalFlip;
267 Boolean twoBoards = 0;
268 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
269 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
270 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
271 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
272 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
273 int opponentKibitzes;
274 int lastSavedGame; /* [HGM] save: ID of game */
275 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
276 extern int chatCount;
278 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
279 char lastMsg[MSG_SIZ];
280 ChessSquare pieceSweep = EmptySquare;
281 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
282 int promoDefaultAltered;
284 /* States for ics_getting_history */
286 #define H_REQUESTED 1
287 #define H_GOT_REQ_HEADER 2
288 #define H_GOT_UNREQ_HEADER 3
289 #define H_GETTING_MOVES 4
290 #define H_GOT_UNWANTED_HEADER 5
292 /* whosays values for GameEnds */
301 /* Maximum number of games in a cmail message */
302 #define CMAIL_MAX_GAMES 20
304 /* Different types of move when calling RegisterMove */
306 #define CMAIL_RESIGN 1
308 #define CMAIL_ACCEPT 3
310 /* Different types of result to remember for each game */
311 #define CMAIL_NOT_RESULT 0
312 #define CMAIL_OLD_RESULT 1
313 #define CMAIL_NEW_RESULT 2
315 /* Telnet protocol constants */
326 safeStrCpy( char *dst, const char *src, size_t count )
329 assert( dst != NULL );
330 assert( src != NULL );
333 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
334 if( i == count && dst[count-1] != NULLCHAR)
336 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
337 if(appData.debugMode)
338 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
344 /* Some compiler can't cast u64 to double
345 * This function do the job for us:
347 * We use the highest bit for cast, this only
348 * works if the highest bit is not
349 * in use (This should not happen)
351 * We used this for all compiler
354 u64ToDouble(u64 value)
357 u64 tmp = value & u64Const(0x7fffffffffffffff);
358 r = (double)(s64)tmp;
359 if (value & u64Const(0x8000000000000000))
360 r += 9.2233720368547758080e18; /* 2^63 */
364 /* Fake up flags for now, as we aren't keeping track of castling
365 availability yet. [HGM] Change of logic: the flag now only
366 indicates the type of castlings allowed by the rule of the game.
367 The actual rights themselves are maintained in the array
368 castlingRights, as part of the game history, and are not probed
374 int flags = F_ALL_CASTLE_OK;
375 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
376 switch (gameInfo.variant) {
378 flags &= ~F_ALL_CASTLE_OK;
379 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
380 flags |= F_IGNORE_CHECK;
382 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
385 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
387 case VariantKriegspiel:
388 flags |= F_KRIEGSPIEL_CAPTURE;
390 case VariantCapaRandom:
391 case VariantFischeRandom:
392 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
393 case VariantNoCastle:
394 case VariantShatranj:
398 flags &= ~F_ALL_CASTLE_OK;
406 FILE *gameFileFP, *debugFP;
409 [AS] Note: sometimes, the sscanf() function is used to parse the input
410 into a fixed-size buffer. Because of this, we must be prepared to
411 receive strings as long as the size of the input buffer, which is currently
412 set to 4K for Windows and 8K for the rest.
413 So, we must either allocate sufficiently large buffers here, or
414 reduce the size of the input buffer in the input reading part.
417 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
418 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
419 char thinkOutput1[MSG_SIZ*10];
421 ChessProgramState first, second, pairing;
423 /* premove variables */
426 int premoveFromX = 0;
427 int premoveFromY = 0;
428 int premovePromoChar = 0;
430 Boolean alarmSounded;
431 /* end premove variables */
433 char *ics_prefix = "$";
434 int ics_type = ICS_GENERIC;
436 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
437 int pauseExamForwardMostMove = 0;
438 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
439 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
440 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
441 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
442 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
443 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
444 int whiteFlag = FALSE, blackFlag = FALSE;
445 int userOfferedDraw = FALSE;
446 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
447 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
448 int cmailMoveType[CMAIL_MAX_GAMES];
449 long ics_clock_paused = 0;
450 ProcRef icsPR = NoProc, cmailPR = NoProc;
451 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
452 GameMode gameMode = BeginningOfGame;
453 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
454 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
455 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
456 int hiddenThinkOutputState = 0; /* [AS] */
457 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
458 int adjudicateLossPlies = 6;
459 char white_holding[64], black_holding[64];
460 TimeMark lastNodeCountTime;
461 long lastNodeCount=0;
462 int shiftKey; // [HGM] set by mouse handler
464 int have_sent_ICS_logon = 0;
466 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
467 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
468 long timeControl_2; /* [AS] Allow separate time controls */
469 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
470 long timeRemaining[2][MAX_MOVES];
471 int matchGame = 0, nextGame = 0, roundNr = 0;
472 Boolean waitingForGame = FALSE;
473 TimeMark programStartTime, pauseStart;
474 char ics_handle[MSG_SIZ];
475 int have_set_title = 0;
477 /* animateTraining preserves the state of appData.animate
478 * when Training mode is activated. This allows the
479 * response to be animated when appData.animate == TRUE and
480 * appData.animateDragging == TRUE.
482 Boolean animateTraining;
488 Board boards[MAX_MOVES];
489 /* [HGM] Following 7 needed for accurate legality tests: */
490 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
491 signed char initialRights[BOARD_FILES];
492 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
493 int initialRulePlies, FENrulePlies;
494 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
496 Boolean shuffleOpenings;
497 int mute; // mute all sounds
499 // [HGM] vari: next 12 to save and restore variations
500 #define MAX_VARIATIONS 10
501 int framePtr = MAX_MOVES-1; // points to free stack entry
503 int savedFirst[MAX_VARIATIONS];
504 int savedLast[MAX_VARIATIONS];
505 int savedFramePtr[MAX_VARIATIONS];
506 char *savedDetails[MAX_VARIATIONS];
507 ChessMove savedResult[MAX_VARIATIONS];
509 void PushTail P((int firstMove, int lastMove));
510 Boolean PopTail P((Boolean annotate));
511 void PushInner P((int firstMove, int lastMove));
512 void PopInner P((Boolean annotate));
513 void CleanupTail P((void));
515 ChessSquare FIDEArray[2][BOARD_FILES] = {
516 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
517 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
518 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
519 BlackKing, BlackBishop, BlackKnight, BlackRook }
522 ChessSquare twoKingsArray[2][BOARD_FILES] = {
523 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
524 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
525 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
526 BlackKing, BlackKing, BlackKnight, BlackRook }
529 ChessSquare KnightmateArray[2][BOARD_FILES] = {
530 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
531 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
532 { BlackRook, BlackMan, BlackBishop, BlackQueen,
533 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
536 ChessSquare SpartanArray[2][BOARD_FILES] = {
537 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
538 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
539 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
540 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
543 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
545 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
547 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
550 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
551 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
552 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
554 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
557 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
558 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
559 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
560 { BlackRook, BlackKnight, BlackMan, BlackFerz,
561 BlackKing, BlackMan, BlackKnight, BlackRook }
565 #if (BOARD_FILES>=10)
566 ChessSquare ShogiArray[2][BOARD_FILES] = {
567 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
568 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
569 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
570 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
573 ChessSquare XiangqiArray[2][BOARD_FILES] = {
574 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
575 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
576 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
577 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
580 ChessSquare CapablancaArray[2][BOARD_FILES] = {
581 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
582 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
583 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
584 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
587 ChessSquare GreatArray[2][BOARD_FILES] = {
588 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
589 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
590 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
591 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
594 ChessSquare JanusArray[2][BOARD_FILES] = {
595 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
596 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
597 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
598 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
601 ChessSquare GrandArray[2][BOARD_FILES] = {
602 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
603 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
604 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
605 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
609 ChessSquare GothicArray[2][BOARD_FILES] = {
610 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
611 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
612 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
613 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
616 #define GothicArray CapablancaArray
620 ChessSquare FalconArray[2][BOARD_FILES] = {
621 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
622 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
623 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
624 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
627 #define FalconArray CapablancaArray
630 #else // !(BOARD_FILES>=10)
631 #define XiangqiPosition FIDEArray
632 #define CapablancaArray FIDEArray
633 #define GothicArray FIDEArray
634 #define GreatArray FIDEArray
635 #endif // !(BOARD_FILES>=10)
637 #if (BOARD_FILES>=12)
638 ChessSquare CourierArray[2][BOARD_FILES] = {
639 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
640 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
641 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
642 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
644 #else // !(BOARD_FILES>=12)
645 #define CourierArray CapablancaArray
646 #endif // !(BOARD_FILES>=12)
649 Board initialPosition;
652 /* Convert str to a rating. Checks for special cases of "----",
654 "++++", etc. Also strips ()'s */
656 string_to_rating(str)
659 while(*str && !isdigit(*str)) ++str;
661 return 0; /* One of the special "no rating" cases */
669 /* Init programStats */
670 programStats.movelist[0] = 0;
671 programStats.depth = 0;
672 programStats.nr_moves = 0;
673 programStats.moves_left = 0;
674 programStats.nodes = 0;
675 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
676 programStats.score = 0;
677 programStats.got_only_move = 0;
678 programStats.got_fail = 0;
679 programStats.line_is_book = 0;
684 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
685 if (appData.firstPlaysBlack) {
686 first.twoMachinesColor = "black\n";
687 second.twoMachinesColor = "white\n";
689 first.twoMachinesColor = "white\n";
690 second.twoMachinesColor = "black\n";
693 first.other = &second;
694 second.other = &first;
697 if(appData.timeOddsMode) {
698 norm = appData.timeOdds[0];
699 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
701 first.timeOdds = appData.timeOdds[0]/norm;
702 second.timeOdds = appData.timeOdds[1]/norm;
705 if(programVersion) free(programVersion);
706 if (appData.noChessProgram) {
707 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
708 sprintf(programVersion, "%s", PACKAGE_STRING);
710 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
711 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
712 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
717 UnloadEngine(ChessProgramState *cps)
719 /* Kill off first chess program */
720 if (cps->isr != NULL)
721 RemoveInputSource(cps->isr);
724 if (cps->pr != NoProc) {
726 DoSleep( appData.delayBeforeQuit );
727 SendToProgram("quit\n", cps);
728 DoSleep( appData.delayAfterQuit );
729 DestroyChildProcess(cps->pr, cps->useSigterm);
732 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
736 ClearOptions(ChessProgramState *cps)
739 cps->nrOptions = cps->comboCnt = 0;
740 for(i=0; i<MAX_OPTIONS; i++) {
741 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
742 cps->option[i].textValue = 0;
746 char *engineNames[] = {
752 InitEngine(ChessProgramState *cps, int n)
753 { // [HGM] all engine initialiation put in a function that does one engine
757 cps->which = engineNames[n];
758 cps->maybeThinking = FALSE;
762 cps->sendDrawOffers = 1;
764 cps->program = appData.chessProgram[n];
765 cps->host = appData.host[n];
766 cps->dir = appData.directory[n];
767 cps->initString = appData.engInitString[n];
768 cps->computerString = appData.computerString[n];
769 cps->useSigint = TRUE;
770 cps->useSigterm = TRUE;
771 cps->reuse = appData.reuse[n];
772 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
773 cps->useSetboard = FALSE;
775 cps->usePing = FALSE;
778 cps->usePlayother = FALSE;
779 cps->useColors = TRUE;
780 cps->useUsermove = FALSE;
781 cps->sendICS = FALSE;
782 cps->sendName = appData.icsActive;
783 cps->sdKludge = FALSE;
784 cps->stKludge = FALSE;
785 TidyProgramName(cps->program, cps->host, cps->tidy);
787 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
788 cps->analysisSupport = 2; /* detect */
789 cps->analyzing = FALSE;
790 cps->initDone = FALSE;
792 /* New features added by Tord: */
793 cps->useFEN960 = FALSE;
794 cps->useOOCastle = TRUE;
795 /* End of new features added by Tord. */
796 cps->fenOverride = appData.fenOverride[n];
798 /* [HGM] time odds: set factor for each machine */
799 cps->timeOdds = appData.timeOdds[n];
801 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
802 cps->accumulateTC = appData.accumulateTC[n];
803 cps->maxNrOfSessions = 1;
808 cps->supportsNPS = UNKNOWN;
809 cps->memSize = FALSE;
810 cps->maxCores = FALSE;
811 cps->egtFormats[0] = NULLCHAR;
814 cps->optionSettings = appData.engOptions[n];
816 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
817 cps->isUCI = appData.isUCI[n]; /* [AS] */
818 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
820 if (appData.protocolVersion[n] > PROTOVER
821 || appData.protocolVersion[n] < 1)
826 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
827 appData.protocolVersion[n]);
828 if( (len > MSG_SIZ) && appData.debugMode )
829 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
831 DisplayFatalError(buf, 0, 2);
835 cps->protocolVersion = appData.protocolVersion[n];
838 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
841 ChessProgramState *savCps;
847 if(WaitForEngine(savCps, LoadEngine)) return;
848 CommonEngineInit(); // recalculate time odds
849 if(gameInfo.variant != StringToVariant(appData.variant)) {
850 // we changed variant when loading the engine; this forces us to reset
851 Reset(TRUE, savCps != &first);
852 EditGameEvent(); // for consistency with other path, as Reset changes mode
854 InitChessProgram(savCps, FALSE);
855 SendToProgram("force\n", savCps);
856 DisplayMessage("", "");
857 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
858 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
864 ReplaceEngine(ChessProgramState *cps, int n)
868 appData.noChessProgram = FALSE;
869 appData.clockMode = TRUE;
872 if(n) return; // only startup first engine immediately; second can wait
873 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
877 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
878 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
880 static char resetOptions[] =
881 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
882 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
885 Load(ChessProgramState *cps, int i)
887 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
888 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
889 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
890 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
891 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
892 ParseArgsFromString(buf);
894 ReplaceEngine(cps, i);
898 while(q = strchr(p, SLASH)) p = q+1;
899 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
900 if(engineDir[0] != NULLCHAR)
901 appData.directory[i] = engineDir;
902 else if(p != engineName) { // derive directory from engine path, when not given
904 appData.directory[i] = strdup(engineName);
906 } else appData.directory[i] = ".";
908 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
909 snprintf(command, MSG_SIZ, "%s %s", p, params);
912 appData.chessProgram[i] = strdup(p);
913 appData.isUCI[i] = isUCI;
914 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
915 appData.hasOwnBookUCI[i] = hasBook;
916 if(!nickName[0]) useNick = FALSE;
917 if(useNick) ASSIGN(appData.pgnName[i], nickName);
921 q = firstChessProgramNames;
922 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
923 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
924 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
925 quote, p, quote, appData.directory[i],
926 useNick ? " -fn \"" : "",
927 useNick ? nickName : "",
929 v1 ? " -firstProtocolVersion 1" : "",
930 hasBook ? "" : " -fNoOwnBookUCI",
931 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
932 storeVariant ? " -variant " : "",
933 storeVariant ? VariantName(gameInfo.variant) : "");
934 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
935 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
938 ReplaceEngine(cps, i);
944 int matched, min, sec;
946 * Parse timeControl resource
948 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
949 appData.movesPerSession)) {
951 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
952 DisplayFatalError(buf, 0, 2);
956 * Parse searchTime resource
958 if (*appData.searchTime != NULLCHAR) {
959 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
961 searchTime = min * 60;
962 } else if (matched == 2) {
963 searchTime = min * 60 + sec;
966 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
967 DisplayFatalError(buf, 0, 2);
976 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
977 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
979 GetTimeMark(&programStartTime);
980 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
981 appData.seedBase = random() + (random()<<15);
982 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
985 programStats.ok_to_send = 1;
986 programStats.seen_stat = 0;
989 * Initialize game list
995 * Internet chess server status
997 if (appData.icsActive) {
998 appData.matchMode = FALSE;
999 appData.matchGames = 0;
1001 appData.noChessProgram = !appData.zippyPlay;
1003 appData.zippyPlay = FALSE;
1004 appData.zippyTalk = FALSE;
1005 appData.noChessProgram = TRUE;
1007 if (*appData.icsHelper != NULLCHAR) {
1008 appData.useTelnet = TRUE;
1009 appData.telnetProgram = appData.icsHelper;
1012 appData.zippyTalk = appData.zippyPlay = FALSE;
1015 /* [AS] Initialize pv info list [HGM] and game state */
1019 for( i=0; i<=framePtr; i++ ) {
1020 pvInfoList[i].depth = -1;
1021 boards[i][EP_STATUS] = EP_NONE;
1022 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1028 /* [AS] Adjudication threshold */
1029 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1031 InitEngine(&first, 0);
1032 InitEngine(&second, 1);
1035 pairing.which = "pairing"; // pairing engine
1036 pairing.pr = NoProc;
1038 pairing.program = appData.pairingEngine;
1039 pairing.host = "localhost";
1042 if (appData.icsActive) {
1043 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1044 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1045 appData.clockMode = FALSE;
1046 first.sendTime = second.sendTime = 0;
1050 /* Override some settings from environment variables, for backward
1051 compatibility. Unfortunately it's not feasible to have the env
1052 vars just set defaults, at least in xboard. Ugh.
1054 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1059 if (!appData.icsActive) {
1063 /* Check for variants that are supported only in ICS mode,
1064 or not at all. Some that are accepted here nevertheless
1065 have bugs; see comments below.
1067 VariantClass variant = StringToVariant(appData.variant);
1069 case VariantBughouse: /* need four players and two boards */
1070 case VariantKriegspiel: /* need to hide pieces and move details */
1071 /* case VariantFischeRandom: (Fabien: moved below) */
1072 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1073 if( (len > MSG_SIZ) && appData.debugMode )
1074 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1076 DisplayFatalError(buf, 0, 2);
1079 case VariantUnknown:
1080 case VariantLoadable:
1090 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1091 if( (len > MSG_SIZ) && appData.debugMode )
1092 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1094 DisplayFatalError(buf, 0, 2);
1097 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1098 case VariantFairy: /* [HGM] TestLegality definitely off! */
1099 case VariantGothic: /* [HGM] should work */
1100 case VariantCapablanca: /* [HGM] should work */
1101 case VariantCourier: /* [HGM] initial forced moves not implemented */
1102 case VariantShogi: /* [HGM] could still mate with pawn drop */
1103 case VariantKnightmate: /* [HGM] should work */
1104 case VariantCylinder: /* [HGM] untested */
1105 case VariantFalcon: /* [HGM] untested */
1106 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1107 offboard interposition not understood */
1108 case VariantNormal: /* definitely works! */
1109 case VariantWildCastle: /* pieces not automatically shuffled */
1110 case VariantNoCastle: /* pieces not automatically shuffled */
1111 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1112 case VariantLosers: /* should work except for win condition,
1113 and doesn't know captures are mandatory */
1114 case VariantSuicide: /* should work except for win condition,
1115 and doesn't know captures are mandatory */
1116 case VariantGiveaway: /* should work except for win condition,
1117 and doesn't know captures are mandatory */
1118 case VariantTwoKings: /* should work */
1119 case VariantAtomic: /* should work except for win condition */
1120 case Variant3Check: /* should work except for win condition */
1121 case VariantShatranj: /* should work except for all win conditions */
1122 case VariantMakruk: /* should work except for draw countdown */
1123 case VariantBerolina: /* might work if TestLegality is off */
1124 case VariantCapaRandom: /* should work */
1125 case VariantJanus: /* should work */
1126 case VariantSuper: /* experimental */
1127 case VariantGreat: /* experimental, requires legality testing to be off */
1128 case VariantSChess: /* S-Chess, should work */
1129 case VariantGrand: /* should work */
1130 case VariantSpartan: /* should work */
1137 int NextIntegerFromString( char ** str, long * value )
1142 while( *s == ' ' || *s == '\t' ) {
1148 if( *s >= '0' && *s <= '9' ) {
1149 while( *s >= '0' && *s <= '9' ) {
1150 *value = *value * 10 + (*s - '0');
1162 int NextTimeControlFromString( char ** str, long * value )
1165 int result = NextIntegerFromString( str, &temp );
1168 *value = temp * 60; /* Minutes */
1169 if( **str == ':' ) {
1171 result = NextIntegerFromString( str, &temp );
1172 *value += temp; /* Seconds */
1179 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1180 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1181 int result = -1, type = 0; long temp, temp2;
1183 if(**str != ':') return -1; // old params remain in force!
1185 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1186 if( NextIntegerFromString( str, &temp ) ) return -1;
1187 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1190 /* time only: incremental or sudden-death time control */
1191 if(**str == '+') { /* increment follows; read it */
1193 if(**str == '!') type = *(*str)++; // Bronstein TC
1194 if(result = NextIntegerFromString( str, &temp2)) return -1;
1195 *inc = temp2 * 1000;
1196 if(**str == '.') { // read fraction of increment
1197 char *start = ++(*str);
1198 if(result = NextIntegerFromString( str, &temp2)) return -1;
1200 while(start++ < *str) temp2 /= 10;
1204 *moves = 0; *tc = temp * 1000; *incType = type;
1208 (*str)++; /* classical time control */
1209 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1220 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1221 { /* [HGM] get time to add from the multi-session time-control string */
1222 int incType, moves=1; /* kludge to force reading of first session */
1223 long time, increment;
1226 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1227 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1229 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1230 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1231 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1232 if(movenr == -1) return time; /* last move before new session */
1233 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1234 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1235 if(!moves) return increment; /* current session is incremental */
1236 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1237 } while(movenr >= -1); /* try again for next session */
1239 return 0; // no new time quota on this move
1243 ParseTimeControl(tc, ti, mps)
1250 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1253 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1254 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1255 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1259 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1261 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1264 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1266 snprintf(buf, MSG_SIZ, ":%s", mytc);
1268 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1270 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1275 /* Parse second time control */
1278 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1286 timeControl_2 = tc2 * 1000;
1296 timeControl = tc1 * 1000;
1299 timeIncrement = ti * 1000; /* convert to ms */
1300 movesPerSession = 0;
1303 movesPerSession = mps;
1311 if (appData.debugMode) {
1312 fprintf(debugFP, "%s\n", programVersion);
1315 set_cont_sequence(appData.wrapContSeq);
1316 if (appData.matchGames > 0) {
1317 appData.matchMode = TRUE;
1318 } else if (appData.matchMode) {
1319 appData.matchGames = 1;
1321 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1322 appData.matchGames = appData.sameColorGames;
1323 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1324 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1325 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1328 if (appData.noChessProgram || first.protocolVersion == 1) {
1331 /* kludge: allow timeout for initial "feature" commands */
1333 DisplayMessage("", _("Starting chess program"));
1334 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1339 CalculateIndex(int index, int gameNr)
1340 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1342 if(index > 0) return index; // fixed nmber
1343 if(index == 0) return 1;
1344 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1345 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1350 LoadGameOrPosition(int gameNr)
1351 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1352 if (*appData.loadGameFile != NULLCHAR) {
1353 if (!LoadGameFromFile(appData.loadGameFile,
1354 CalculateIndex(appData.loadGameIndex, gameNr),
1355 appData.loadGameFile, FALSE)) {
1356 DisplayFatalError(_("Bad game file"), 0, 1);
1359 } else if (*appData.loadPositionFile != NULLCHAR) {
1360 if (!LoadPositionFromFile(appData.loadPositionFile,
1361 CalculateIndex(appData.loadPositionIndex, gameNr),
1362 appData.loadPositionFile)) {
1363 DisplayFatalError(_("Bad position file"), 0, 1);
1371 ReserveGame(int gameNr, char resChar)
1373 FILE *tf = fopen(appData.tourneyFile, "r+");
1374 char *p, *q, c, buf[MSG_SIZ];
1375 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1376 safeStrCpy(buf, lastMsg, MSG_SIZ);
1377 DisplayMessage(_("Pick new game"), "");
1378 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1379 ParseArgsFromFile(tf);
1380 p = q = appData.results;
1381 if(appData.debugMode) {
1382 char *r = appData.participants;
1383 fprintf(debugFP, "results = '%s'\n", p);
1384 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1385 fprintf(debugFP, "\n");
1387 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1389 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1390 safeStrCpy(q, p, strlen(p) + 2);
1391 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1392 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1393 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1394 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1397 fseek(tf, -(strlen(p)+4), SEEK_END);
1399 if(c != '"') // depending on DOS or Unix line endings we can be one off
1400 fseek(tf, -(strlen(p)+2), SEEK_END);
1401 else fseek(tf, -(strlen(p)+3), SEEK_END);
1402 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1403 DisplayMessage(buf, "");
1404 free(p); appData.results = q;
1405 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1406 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1407 UnloadEngine(&first); // next game belongs to other pairing;
1408 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1413 MatchEvent(int mode)
1414 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1416 if(matchMode) { // already in match mode: switch it off
1418 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1421 // if(gameMode != BeginningOfGame) {
1422 // DisplayError(_("You can only start a match from the initial position."), 0);
1426 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1427 /* Set up machine vs. machine match */
1429 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1430 if(appData.tourneyFile[0]) {
1432 if(nextGame > appData.matchGames) {
1434 if(strchr(appData.results, '*') == NULL) {
1436 appData.tourneyCycles++;
1437 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1439 NextTourneyGame(-1, &dummy);
1441 if(nextGame <= appData.matchGames) {
1442 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1444 ScheduleDelayedEvent(NextMatchGame, 10000);
1449 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1450 DisplayError(buf, 0);
1451 appData.tourneyFile[0] = 0;
1455 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1456 DisplayFatalError(_("Can't have a match with no chess programs"),
1461 matchGame = roundNr = 1;
1462 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1467 InitBackEnd3 P((void))
1469 GameMode initialMode;
1473 InitChessProgram(&first, startedFromSetupPosition);
1475 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1476 free(programVersion);
1477 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1478 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1481 if (appData.icsActive) {
1483 /* [DM] Make a console window if needed [HGM] merged ifs */
1489 if (*appData.icsCommPort != NULLCHAR)
1490 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1491 appData.icsCommPort);
1493 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1494 appData.icsHost, appData.icsPort);
1496 if( (len > MSG_SIZ) && appData.debugMode )
1497 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1499 DisplayFatalError(buf, err, 1);
1504 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1506 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1507 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1508 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1509 } else if (appData.noChessProgram) {
1515 if (*appData.cmailGameName != NULLCHAR) {
1517 OpenLoopback(&cmailPR);
1519 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1523 DisplayMessage("", "");
1524 if (StrCaseCmp(appData.initialMode, "") == 0) {
1525 initialMode = BeginningOfGame;
1526 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1527 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1528 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1529 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1532 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1533 initialMode = TwoMachinesPlay;
1534 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1535 initialMode = AnalyzeFile;
1536 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1537 initialMode = AnalyzeMode;
1538 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1539 initialMode = MachinePlaysWhite;
1540 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1541 initialMode = MachinePlaysBlack;
1542 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1543 initialMode = EditGame;
1544 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1545 initialMode = EditPosition;
1546 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1547 initialMode = Training;
1549 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1550 if( (len > MSG_SIZ) && appData.debugMode )
1551 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1553 DisplayFatalError(buf, 0, 2);
1557 if (appData.matchMode) {
1558 if(appData.tourneyFile[0]) { // start tourney from command line
1560 if(f = fopen(appData.tourneyFile, "r")) {
1561 ParseArgsFromFile(f); // make sure tourney parmeters re known
1563 appData.clockMode = TRUE;
1565 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1568 } else if (*appData.cmailGameName != NULLCHAR) {
1569 /* Set up cmail mode */
1570 ReloadCmailMsgEvent(TRUE);
1572 /* Set up other modes */
1573 if (initialMode == AnalyzeFile) {
1574 if (*appData.loadGameFile == NULLCHAR) {
1575 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1579 if (*appData.loadGameFile != NULLCHAR) {
1580 (void) LoadGameFromFile(appData.loadGameFile,
1581 appData.loadGameIndex,
1582 appData.loadGameFile, TRUE);
1583 } else if (*appData.loadPositionFile != NULLCHAR) {
1584 (void) LoadPositionFromFile(appData.loadPositionFile,
1585 appData.loadPositionIndex,
1586 appData.loadPositionFile);
1587 /* [HGM] try to make self-starting even after FEN load */
1588 /* to allow automatic setup of fairy variants with wtm */
1589 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1590 gameMode = BeginningOfGame;
1591 setboardSpoiledMachineBlack = 1;
1593 /* [HGM] loadPos: make that every new game uses the setup */
1594 /* from file as long as we do not switch variant */
1595 if(!blackPlaysFirst) {
1596 startedFromPositionFile = TRUE;
1597 CopyBoard(filePosition, boards[0]);
1600 if (initialMode == AnalyzeMode) {
1601 if (appData.noChessProgram) {
1602 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1605 if (appData.icsActive) {
1606 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1610 } else if (initialMode == AnalyzeFile) {
1611 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1612 ShowThinkingEvent();
1614 AnalysisPeriodicEvent(1);
1615 } else if (initialMode == MachinePlaysWhite) {
1616 if (appData.noChessProgram) {
1617 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1621 if (appData.icsActive) {
1622 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1626 MachineWhiteEvent();
1627 } else if (initialMode == MachinePlaysBlack) {
1628 if (appData.noChessProgram) {
1629 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1633 if (appData.icsActive) {
1634 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1638 MachineBlackEvent();
1639 } else if (initialMode == TwoMachinesPlay) {
1640 if (appData.noChessProgram) {
1641 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1645 if (appData.icsActive) {
1646 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1651 } else if (initialMode == EditGame) {
1653 } else if (initialMode == EditPosition) {
1654 EditPositionEvent();
1655 } else if (initialMode == Training) {
1656 if (*appData.loadGameFile == NULLCHAR) {
1657 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1666 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
1668 MoveHistorySet( movelist, first, last, current, pvInfoList );
1670 EvalGraphSet( first, last, current, pvInfoList );
1672 MakeEngineOutputTitle();
1676 * Establish will establish a contact to a remote host.port.
1677 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1678 * used to talk to the host.
1679 * Returns 0 if okay, error code if not.
1686 if (*appData.icsCommPort != NULLCHAR) {
1687 /* Talk to the host through a serial comm port */
1688 return OpenCommPort(appData.icsCommPort, &icsPR);
1690 } else if (*appData.gateway != NULLCHAR) {
1691 if (*appData.remoteShell == NULLCHAR) {
1692 /* Use the rcmd protocol to run telnet program on a gateway host */
1693 snprintf(buf, sizeof(buf), "%s %s %s",
1694 appData.telnetProgram, appData.icsHost, appData.icsPort);
1695 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1698 /* Use the rsh program to run telnet program on a gateway host */
1699 if (*appData.remoteUser == NULLCHAR) {
1700 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1701 appData.gateway, appData.telnetProgram,
1702 appData.icsHost, appData.icsPort);
1704 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1705 appData.remoteShell, appData.gateway,
1706 appData.remoteUser, appData.telnetProgram,
1707 appData.icsHost, appData.icsPort);
1709 return StartChildProcess(buf, "", &icsPR);
1712 } else if (appData.useTelnet) {
1713 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1716 /* TCP socket interface differs somewhat between
1717 Unix and NT; handle details in the front end.
1719 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1723 void EscapeExpand(char *p, char *q)
1724 { // [HGM] initstring: routine to shape up string arguments
1725 while(*p++ = *q++) if(p[-1] == '\\')
1727 case 'n': p[-1] = '\n'; break;
1728 case 'r': p[-1] = '\r'; break;
1729 case 't': p[-1] = '\t'; break;
1730 case '\\': p[-1] = '\\'; break;
1731 case 0: *p = 0; return;
1732 default: p[-1] = q[-1]; break;
1737 show_bytes(fp, buf, count)
1743 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1744 fprintf(fp, "\\%03o", *buf & 0xff);
1753 /* Returns an errno value */
1755 OutputMaybeTelnet(pr, message, count, outError)
1761 char buf[8192], *p, *q, *buflim;
1762 int left, newcount, outcount;
1764 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1765 *appData.gateway != NULLCHAR) {
1766 if (appData.debugMode) {
1767 fprintf(debugFP, ">ICS: ");
1768 show_bytes(debugFP, message, count);
1769 fprintf(debugFP, "\n");
1771 return OutputToProcess(pr, message, count, outError);
1774 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1781 if (appData.debugMode) {
1782 fprintf(debugFP, ">ICS: ");
1783 show_bytes(debugFP, buf, newcount);
1784 fprintf(debugFP, "\n");
1786 outcount = OutputToProcess(pr, buf, newcount, outError);
1787 if (outcount < newcount) return -1; /* to be sure */
1794 } else if (((unsigned char) *p) == TN_IAC) {
1795 *q++ = (char) TN_IAC;
1802 if (appData.debugMode) {
1803 fprintf(debugFP, ">ICS: ");
1804 show_bytes(debugFP, buf, newcount);
1805 fprintf(debugFP, "\n");
1807 outcount = OutputToProcess(pr, buf, newcount, outError);
1808 if (outcount < newcount) return -1; /* to be sure */
1813 read_from_player(isr, closure, message, count, error)
1820 int outError, outCount;
1821 static int gotEof = 0;
1823 /* Pass data read from player on to ICS */
1826 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1827 if (outCount < count) {
1828 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1830 } else if (count < 0) {
1831 RemoveInputSource(isr);
1832 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1833 } else if (gotEof++ > 0) {
1834 RemoveInputSource(isr);
1835 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1841 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1842 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1843 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1844 SendToICS("date\n");
1845 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1848 /* added routine for printf style output to ics */
1849 void ics_printf(char *format, ...)
1851 char buffer[MSG_SIZ];
1854 va_start(args, format);
1855 vsnprintf(buffer, sizeof(buffer), format, args);
1856 buffer[sizeof(buffer)-1] = '\0';
1865 int count, outCount, outError;
1867 if (icsPR == NULL) return;
1870 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1871 if (outCount < count) {
1872 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1876 /* This is used for sending logon scripts to the ICS. Sending
1877 without a delay causes problems when using timestamp on ICC
1878 (at least on my machine). */
1880 SendToICSDelayed(s,msdelay)
1884 int count, outCount, outError;
1886 if (icsPR == NULL) return;
1889 if (appData.debugMode) {
1890 fprintf(debugFP, ">ICS: ");
1891 show_bytes(debugFP, s, count);
1892 fprintf(debugFP, "\n");
1894 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1896 if (outCount < count) {
1897 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1902 /* Remove all highlighting escape sequences in s
1903 Also deletes any suffix starting with '('
1906 StripHighlightAndTitle(s)
1909 static char retbuf[MSG_SIZ];
1912 while (*s != NULLCHAR) {
1913 while (*s == '\033') {
1914 while (*s != NULLCHAR && !isalpha(*s)) s++;
1915 if (*s != NULLCHAR) s++;
1917 while (*s != NULLCHAR && *s != '\033') {
1918 if (*s == '(' || *s == '[') {
1929 /* Remove all highlighting escape sequences in s */
1934 static char retbuf[MSG_SIZ];
1937 while (*s != NULLCHAR) {
1938 while (*s == '\033') {
1939 while (*s != NULLCHAR && !isalpha(*s)) s++;
1940 if (*s != NULLCHAR) s++;
1942 while (*s != NULLCHAR && *s != '\033') {
1950 char *variantNames[] = VARIANT_NAMES;
1955 return variantNames[v];
1959 /* Identify a variant from the strings the chess servers use or the
1960 PGN Variant tag names we use. */
1967 VariantClass v = VariantNormal;
1968 int i, found = FALSE;
1974 /* [HGM] skip over optional board-size prefixes */
1975 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1976 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1977 while( *e++ != '_');
1980 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1984 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1985 if (StrCaseStr(e, variantNames[i])) {
1986 v = (VariantClass) i;
1993 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1994 || StrCaseStr(e, "wild/fr")
1995 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1996 v = VariantFischeRandom;
1997 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1998 (i = 1, p = StrCaseStr(e, "w"))) {
2000 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2007 case 0: /* FICS only, actually */
2009 /* Castling legal even if K starts on d-file */
2010 v = VariantWildCastle;
2015 /* Castling illegal even if K & R happen to start in
2016 normal positions. */
2017 v = VariantNoCastle;
2030 /* Castling legal iff K & R start in normal positions */
2036 /* Special wilds for position setup; unclear what to do here */
2037 v = VariantLoadable;
2040 /* Bizarre ICC game */
2041 v = VariantTwoKings;
2044 v = VariantKriegspiel;
2050 v = VariantFischeRandom;
2053 v = VariantCrazyhouse;
2056 v = VariantBughouse;
2062 /* Not quite the same as FICS suicide! */
2063 v = VariantGiveaway;
2069 v = VariantShatranj;
2072 /* Temporary names for future ICC types. The name *will* change in
2073 the next xboard/WinBoard release after ICC defines it. */
2111 v = VariantCapablanca;
2114 v = VariantKnightmate;
2120 v = VariantCylinder;
2126 v = VariantCapaRandom;
2129 v = VariantBerolina;
2141 /* Found "wild" or "w" in the string but no number;
2142 must assume it's normal chess. */
2146 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2147 if( (len > MSG_SIZ) && appData.debugMode )
2148 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2150 DisplayError(buf, 0);
2156 if (appData.debugMode) {
2157 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2158 e, wnum, VariantName(v));
2163 static int leftover_start = 0, leftover_len = 0;
2164 char star_match[STAR_MATCH_N][MSG_SIZ];
2166 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2167 advance *index beyond it, and set leftover_start to the new value of
2168 *index; else return FALSE. If pattern contains the character '*', it
2169 matches any sequence of characters not containing '\r', '\n', or the
2170 character following the '*' (if any), and the matched sequence(s) are
2171 copied into star_match.
2174 looking_at(buf, index, pattern)
2179 char *bufp = &buf[*index], *patternp = pattern;
2181 char *matchp = star_match[0];
2184 if (*patternp == NULLCHAR) {
2185 *index = leftover_start = bufp - buf;
2189 if (*bufp == NULLCHAR) return FALSE;
2190 if (*patternp == '*') {
2191 if (*bufp == *(patternp + 1)) {
2193 matchp = star_match[++star_count];
2197 } else if (*bufp == '\n' || *bufp == '\r') {
2199 if (*patternp == NULLCHAR)
2204 *matchp++ = *bufp++;
2208 if (*patternp != *bufp) return FALSE;
2215 SendToPlayer(data, length)
2219 int error, outCount;
2220 outCount = OutputToProcess(NoProc, data, length, &error);
2221 if (outCount < length) {
2222 DisplayFatalError(_("Error writing to display"), error, 1);
2227 PackHolding(packed, holding)
2239 switch (runlength) {
2250 sprintf(q, "%d", runlength);
2262 /* Telnet protocol requests from the front end */
2264 TelnetRequest(ddww, option)
2265 unsigned char ddww, option;
2267 unsigned char msg[3];
2268 int outCount, outError;
2270 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2272 if (appData.debugMode) {
2273 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2289 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2298 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2301 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2306 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2308 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2315 if (!appData.icsActive) return;
2316 TelnetRequest(TN_DO, TN_ECHO);
2322 if (!appData.icsActive) return;
2323 TelnetRequest(TN_DONT, TN_ECHO);
2327 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2329 /* put the holdings sent to us by the server on the board holdings area */
2330 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2334 if(gameInfo.holdingsWidth < 2) return;
2335 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2336 return; // prevent overwriting by pre-board holdings
2338 if( (int)lowestPiece >= BlackPawn ) {
2341 holdingsStartRow = BOARD_HEIGHT-1;
2344 holdingsColumn = BOARD_WIDTH-1;
2345 countsColumn = BOARD_WIDTH-2;
2346 holdingsStartRow = 0;
2350 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2351 board[i][holdingsColumn] = EmptySquare;
2352 board[i][countsColumn] = (ChessSquare) 0;
2354 while( (p=*holdings++) != NULLCHAR ) {
2355 piece = CharToPiece( ToUpper(p) );
2356 if(piece == EmptySquare) continue;
2357 /*j = (int) piece - (int) WhitePawn;*/
2358 j = PieceToNumber(piece);
2359 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2360 if(j < 0) continue; /* should not happen */
2361 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2362 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2363 board[holdingsStartRow+j*direction][countsColumn]++;
2369 VariantSwitch(Board board, VariantClass newVariant)
2371 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2372 static Board oldBoard;
2374 startedFromPositionFile = FALSE;
2375 if(gameInfo.variant == newVariant) return;
2377 /* [HGM] This routine is called each time an assignment is made to
2378 * gameInfo.variant during a game, to make sure the board sizes
2379 * are set to match the new variant. If that means adding or deleting
2380 * holdings, we shift the playing board accordingly
2381 * This kludge is needed because in ICS observe mode, we get boards
2382 * of an ongoing game without knowing the variant, and learn about the
2383 * latter only later. This can be because of the move list we requested,
2384 * in which case the game history is refilled from the beginning anyway,
2385 * but also when receiving holdings of a crazyhouse game. In the latter
2386 * case we want to add those holdings to the already received position.
2390 if (appData.debugMode) {
2391 fprintf(debugFP, "Switch board from %s to %s\n",
2392 VariantName(gameInfo.variant), VariantName(newVariant));
2393 setbuf(debugFP, NULL);
2395 shuffleOpenings = 0; /* [HGM] shuffle */
2396 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2400 newWidth = 9; newHeight = 9;
2401 gameInfo.holdingsSize = 7;
2402 case VariantBughouse:
2403 case VariantCrazyhouse:
2404 newHoldingsWidth = 2; break;
2408 newHoldingsWidth = 2;
2409 gameInfo.holdingsSize = 8;
2412 case VariantCapablanca:
2413 case VariantCapaRandom:
2416 newHoldingsWidth = gameInfo.holdingsSize = 0;
2419 if(newWidth != gameInfo.boardWidth ||
2420 newHeight != gameInfo.boardHeight ||
2421 newHoldingsWidth != gameInfo.holdingsWidth ) {
2423 /* shift position to new playing area, if needed */
2424 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2425 for(i=0; i<BOARD_HEIGHT; i++)
2426 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2427 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2429 for(i=0; i<newHeight; i++) {
2430 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2431 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2433 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2434 for(i=0; i<BOARD_HEIGHT; i++)
2435 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2436 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2439 gameInfo.boardWidth = newWidth;
2440 gameInfo.boardHeight = newHeight;
2441 gameInfo.holdingsWidth = newHoldingsWidth;
2442 gameInfo.variant = newVariant;
2443 InitDrawingSizes(-2, 0);
2444 } else gameInfo.variant = newVariant;
2445 CopyBoard(oldBoard, board); // remember correctly formatted board
2446 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2447 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2450 static int loggedOn = FALSE;
2452 /*-- Game start info cache: --*/
2454 char gs_kind[MSG_SIZ];
2455 static char player1Name[128] = "";
2456 static char player2Name[128] = "";
2457 static char cont_seq[] = "\n\\ ";
2458 static int player1Rating = -1;
2459 static int player2Rating = -1;
2460 /*----------------------------*/
2462 ColorClass curColor = ColorNormal;
2463 int suppressKibitz = 0;
2466 Boolean soughtPending = FALSE;
2467 Boolean seekGraphUp;
2468 #define MAX_SEEK_ADS 200
2470 char *seekAdList[MAX_SEEK_ADS];
2471 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2472 float tcList[MAX_SEEK_ADS];
2473 char colorList[MAX_SEEK_ADS];
2474 int nrOfSeekAds = 0;
2475 int minRating = 1010, maxRating = 2800;
2476 int hMargin = 10, vMargin = 20, h, w;
2477 extern int squareSize, lineGap;
2482 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2483 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2484 if(r < minRating+100 && r >=0 ) r = minRating+100;
2485 if(r > maxRating) r = maxRating;
2486 if(tc < 1.) tc = 1.;
2487 if(tc > 95.) tc = 95.;
2488 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2489 y = ((double)r - minRating)/(maxRating - minRating)
2490 * (h-vMargin-squareSize/8-1) + vMargin;
2491 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2492 if(strstr(seekAdList[i], " u ")) color = 1;
2493 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2494 !strstr(seekAdList[i], "bullet") &&
2495 !strstr(seekAdList[i], "blitz") &&
2496 !strstr(seekAdList[i], "standard") ) color = 2;
2497 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2498 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2502 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2504 char buf[MSG_SIZ], *ext = "";
2505 VariantClass v = StringToVariant(type);
2506 if(strstr(type, "wild")) {
2507 ext = type + 4; // append wild number
2508 if(v == VariantFischeRandom) type = "chess960"; else
2509 if(v == VariantLoadable) type = "setup"; else
2510 type = VariantName(v);
2512 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2513 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2514 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2515 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2516 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2517 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2518 seekNrList[nrOfSeekAds] = nr;
2519 zList[nrOfSeekAds] = 0;
2520 seekAdList[nrOfSeekAds++] = StrSave(buf);
2521 if(plot) PlotSeekAd(nrOfSeekAds-1);
2528 int x = xList[i], y = yList[i], d=squareSize/4, k;
2529 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2530 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2531 // now replot every dot that overlapped
2532 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2533 int xx = xList[k], yy = yList[k];
2534 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2535 DrawSeekDot(xx, yy, colorList[k]);
2540 RemoveSeekAd(int nr)
2543 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2545 if(seekAdList[i]) free(seekAdList[i]);
2546 seekAdList[i] = seekAdList[--nrOfSeekAds];
2547 seekNrList[i] = seekNrList[nrOfSeekAds];
2548 ratingList[i] = ratingList[nrOfSeekAds];
2549 colorList[i] = colorList[nrOfSeekAds];
2550 tcList[i] = tcList[nrOfSeekAds];
2551 xList[i] = xList[nrOfSeekAds];
2552 yList[i] = yList[nrOfSeekAds];
2553 zList[i] = zList[nrOfSeekAds];
2554 seekAdList[nrOfSeekAds] = NULL;
2560 MatchSoughtLine(char *line)
2562 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2563 int nr, base, inc, u=0; char dummy;
2565 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2566 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2568 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2569 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2570 // match: compact and save the line
2571 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2581 if(!seekGraphUp) return FALSE;
2582 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2583 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2585 DrawSeekBackground(0, 0, w, h);
2586 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2587 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2588 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2589 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2591 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2594 snprintf(buf, MSG_SIZ, "%d", i);
2595 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2598 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2599 for(i=1; i<100; i+=(i<10?1:5)) {
2600 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2601 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2602 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2604 snprintf(buf, MSG_SIZ, "%d", i);
2605 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2608 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2612 int SeekGraphClick(ClickType click, int x, int y, int moving)
2614 static int lastDown = 0, displayed = 0, lastSecond;
2615 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2616 if(click == Release || moving) return FALSE;
2618 soughtPending = TRUE;
2619 SendToICS(ics_prefix);
2620 SendToICS("sought\n"); // should this be "sought all"?
2621 } else { // issue challenge based on clicked ad
2622 int dist = 10000; int i, closest = 0, second = 0;
2623 for(i=0; i<nrOfSeekAds; i++) {
2624 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2625 if(d < dist) { dist = d; closest = i; }
2626 second += (d - zList[i] < 120); // count in-range ads
2627 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2631 second = (second > 1);
2632 if(displayed != closest || second != lastSecond) {
2633 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2634 lastSecond = second; displayed = closest;
2636 if(click == Press) {
2637 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2640 } // on press 'hit', only show info
2641 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2642 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2643 SendToICS(ics_prefix);
2645 return TRUE; // let incoming board of started game pop down the graph
2646 } else if(click == Release) { // release 'miss' is ignored
2647 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2648 if(moving == 2) { // right up-click
2649 nrOfSeekAds = 0; // refresh graph
2650 soughtPending = TRUE;
2651 SendToICS(ics_prefix);
2652 SendToICS("sought\n"); // should this be "sought all"?
2655 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2656 // press miss or release hit 'pop down' seek graph
2657 seekGraphUp = FALSE;
2658 DrawPosition(TRUE, NULL);
2664 read_from_ics(isr, closure, data, count, error)
2671 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2672 #define STARTED_NONE 0
2673 #define STARTED_MOVES 1
2674 #define STARTED_BOARD 2
2675 #define STARTED_OBSERVE 3
2676 #define STARTED_HOLDINGS 4
2677 #define STARTED_CHATTER 5
2678 #define STARTED_COMMENT 6
2679 #define STARTED_MOVES_NOHIDE 7
2681 static int started = STARTED_NONE;
2682 static char parse[20000];
2683 static int parse_pos = 0;
2684 static char buf[BUF_SIZE + 1];
2685 static int firstTime = TRUE, intfSet = FALSE;
2686 static ColorClass prevColor = ColorNormal;
2687 static int savingComment = FALSE;
2688 static int cmatch = 0; // continuation sequence match
2695 int backup; /* [DM] For zippy color lines */
2697 char talker[MSG_SIZ]; // [HGM] chat
2700 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2702 if (appData.debugMode) {
2704 fprintf(debugFP, "<ICS: ");
2705 show_bytes(debugFP, data, count);
2706 fprintf(debugFP, "\n");
2710 if (appData.debugMode) { int f = forwardMostMove;
2711 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2712 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2713 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2716 /* If last read ended with a partial line that we couldn't parse,
2717 prepend it to the new read and try again. */
2718 if (leftover_len > 0) {
2719 for (i=0; i<leftover_len; i++)
2720 buf[i] = buf[leftover_start + i];
2723 /* copy new characters into the buffer */
2724 bp = buf + leftover_len;
2725 buf_len=leftover_len;
2726 for (i=0; i<count; i++)
2729 if (data[i] == '\r')
2732 // join lines split by ICS?
2733 if (!appData.noJoin)
2736 Joining just consists of finding matches against the
2737 continuation sequence, and discarding that sequence
2738 if found instead of copying it. So, until a match
2739 fails, there's nothing to do since it might be the
2740 complete sequence, and thus, something we don't want
2743 if (data[i] == cont_seq[cmatch])
2746 if (cmatch == strlen(cont_seq))
2748 cmatch = 0; // complete match. just reset the counter
2751 it's possible for the ICS to not include the space
2752 at the end of the last word, making our [correct]
2753 join operation fuse two separate words. the server
2754 does this when the space occurs at the width setting.
2756 if (!buf_len || buf[buf_len-1] != ' ')
2767 match failed, so we have to copy what matched before
2768 falling through and copying this character. In reality,
2769 this will only ever be just the newline character, but
2770 it doesn't hurt to be precise.
2772 strncpy(bp, cont_seq, cmatch);
2784 buf[buf_len] = NULLCHAR;
2785 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2790 while (i < buf_len) {
2791 /* Deal with part of the TELNET option negotiation
2792 protocol. We refuse to do anything beyond the
2793 defaults, except that we allow the WILL ECHO option,
2794 which ICS uses to turn off password echoing when we are
2795 directly connected to it. We reject this option
2796 if localLineEditing mode is on (always on in xboard)
2797 and we are talking to port 23, which might be a real
2798 telnet server that will try to keep WILL ECHO on permanently.
2800 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2801 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2802 unsigned char option;
2804 switch ((unsigned char) buf[++i]) {
2806 if (appData.debugMode)
2807 fprintf(debugFP, "\n<WILL ");
2808 switch (option = (unsigned char) buf[++i]) {
2810 if (appData.debugMode)
2811 fprintf(debugFP, "ECHO ");
2812 /* Reply only if this is a change, according
2813 to the protocol rules. */
2814 if (remoteEchoOption) break;
2815 if (appData.localLineEditing &&
2816 atoi(appData.icsPort) == TN_PORT) {
2817 TelnetRequest(TN_DONT, TN_ECHO);
2820 TelnetRequest(TN_DO, TN_ECHO);
2821 remoteEchoOption = TRUE;
2825 if (appData.debugMode)
2826 fprintf(debugFP, "%d ", option);
2827 /* Whatever this is, we don't want it. */
2828 TelnetRequest(TN_DONT, option);
2833 if (appData.debugMode)
2834 fprintf(debugFP, "\n<WONT ");
2835 switch (option = (unsigned char) buf[++i]) {
2837 if (appData.debugMode)
2838 fprintf(debugFP, "ECHO ");
2839 /* Reply only if this is a change, according
2840 to the protocol rules. */
2841 if (!remoteEchoOption) break;
2843 TelnetRequest(TN_DONT, TN_ECHO);
2844 remoteEchoOption = FALSE;
2847 if (appData.debugMode)
2848 fprintf(debugFP, "%d ", (unsigned char) option);
2849 /* Whatever this is, it must already be turned
2850 off, because we never agree to turn on
2851 anything non-default, so according to the
2852 protocol rules, we don't reply. */
2857 if (appData.debugMode)
2858 fprintf(debugFP, "\n<DO ");
2859 switch (option = (unsigned char) buf[++i]) {
2861 /* Whatever this is, we refuse to do it. */
2862 if (appData.debugMode)
2863 fprintf(debugFP, "%d ", option);
2864 TelnetRequest(TN_WONT, option);
2869 if (appData.debugMode)
2870 fprintf(debugFP, "\n<DONT ");
2871 switch (option = (unsigned char) buf[++i]) {
2873 if (appData.debugMode)
2874 fprintf(debugFP, "%d ", option);
2875 /* Whatever this is, we are already not doing
2876 it, because we never agree to do anything
2877 non-default, so according to the protocol
2878 rules, we don't reply. */
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<IAC ");
2885 /* Doubled IAC; pass it through */
2889 if (appData.debugMode)
2890 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2891 /* Drop all other telnet commands on the floor */
2894 if (oldi > next_out)
2895 SendToPlayer(&buf[next_out], oldi - next_out);
2901 /* OK, this at least will *usually* work */
2902 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2906 if (loggedOn && !intfSet) {
2907 if (ics_type == ICS_ICC) {
2908 snprintf(str, MSG_SIZ,
2909 "/set-quietly interface %s\n/set-quietly style 12\n",
2911 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2912 strcat(str, "/set-2 51 1\n/set seek 1\n");
2913 } else if (ics_type == ICS_CHESSNET) {
2914 snprintf(str, MSG_SIZ, "/style 12\n");
2916 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2917 strcat(str, programVersion);
2918 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2919 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2920 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2922 strcat(str, "$iset nohighlight 1\n");
2924 strcat(str, "$iset lock 1\n$style 12\n");
2927 NotifyFrontendLogin();
2931 if (started == STARTED_COMMENT) {
2932 /* Accumulate characters in comment */
2933 parse[parse_pos++] = buf[i];
2934 if (buf[i] == '\n') {
2935 parse[parse_pos] = NULLCHAR;
2936 if(chattingPartner>=0) {
2938 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2939 OutputChatMessage(chattingPartner, mess);
2940 chattingPartner = -1;
2941 next_out = i+1; // [HGM] suppress printing in ICS window
2943 if(!suppressKibitz) // [HGM] kibitz
2944 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2945 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2946 int nrDigit = 0, nrAlph = 0, j;
2947 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2948 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2949 parse[parse_pos] = NULLCHAR;
2950 // try to be smart: if it does not look like search info, it should go to
2951 // ICS interaction window after all, not to engine-output window.
2952 for(j=0; j<parse_pos; j++) { // count letters and digits
2953 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2954 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2955 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2957 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2958 int depth=0; float score;
2959 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2960 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2961 pvInfoList[forwardMostMove-1].depth = depth;
2962 pvInfoList[forwardMostMove-1].score = 100*score;
2964 OutputKibitz(suppressKibitz, parse);
2967 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2968 SendToPlayer(tmp, strlen(tmp));
2970 next_out = i+1; // [HGM] suppress printing in ICS window
2972 started = STARTED_NONE;
2974 /* Don't match patterns against characters in comment */
2979 if (started == STARTED_CHATTER) {
2980 if (buf[i] != '\n') {
2981 /* Don't match patterns against characters in chatter */
2985 started = STARTED_NONE;
2986 if(suppressKibitz) next_out = i+1;
2989 /* Kludge to deal with rcmd protocol */
2990 if (firstTime && looking_at(buf, &i, "\001*")) {
2991 DisplayFatalError(&buf[1], 0, 1);
2997 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3000 if (appData.debugMode)
3001 fprintf(debugFP, "ics_type %d\n", ics_type);
3004 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3005 ics_type = ICS_FICS;
3007 if (appData.debugMode)
3008 fprintf(debugFP, "ics_type %d\n", ics_type);
3011 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3012 ics_type = ICS_CHESSNET;
3014 if (appData.debugMode)
3015 fprintf(debugFP, "ics_type %d\n", ics_type);
3020 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3021 looking_at(buf, &i, "Logging you in as \"*\"") ||
3022 looking_at(buf, &i, "will be \"*\""))) {
3023 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3027 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3029 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3030 DisplayIcsInteractionTitle(buf);
3031 have_set_title = TRUE;
3034 /* skip finger notes */
3035 if (started == STARTED_NONE &&
3036 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3037 (buf[i] == '1' && buf[i+1] == '0')) &&
3038 buf[i+2] == ':' && buf[i+3] == ' ') {
3039 started = STARTED_CHATTER;
3045 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3046 if(appData.seekGraph) {
3047 if(soughtPending && MatchSoughtLine(buf+i)) {
3048 i = strstr(buf+i, "rated") - buf;
3049 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3050 next_out = leftover_start = i;
3051 started = STARTED_CHATTER;
3052 suppressKibitz = TRUE;
3055 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3056 && looking_at(buf, &i, "* ads displayed")) {
3057 soughtPending = FALSE;
3062 if(appData.autoRefresh) {
3063 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3064 int s = (ics_type == ICS_ICC); // ICC format differs
3066 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3067 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3068 looking_at(buf, &i, "*% "); // eat prompt
3069 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3070 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3071 next_out = i; // suppress
3074 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3075 char *p = star_match[0];
3077 if(seekGraphUp) RemoveSeekAd(atoi(p));
3078 while(*p && *p++ != ' '); // next
3080 looking_at(buf, &i, "*% "); // eat prompt
3081 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3088 /* skip formula vars */
3089 if (started == STARTED_NONE &&
3090 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3091 started = STARTED_CHATTER;
3096 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3097 if (appData.autoKibitz && started == STARTED_NONE &&
3098 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3099 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3100 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3101 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3102 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3103 suppressKibitz = TRUE;
3104 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3106 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3107 && (gameMode == IcsPlayingWhite)) ||
3108 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3109 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3110 started = STARTED_CHATTER; // own kibitz we simply discard
3112 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3113 parse_pos = 0; parse[0] = NULLCHAR;
3114 savingComment = TRUE;
3115 suppressKibitz = gameMode != IcsObserving ? 2 :
3116 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3120 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3121 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3122 && atoi(star_match[0])) {
3123 // suppress the acknowledgements of our own autoKibitz
3125 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3126 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3127 SendToPlayer(star_match[0], strlen(star_match[0]));
3128 if(looking_at(buf, &i, "*% ")) // eat prompt
3129 suppressKibitz = FALSE;
3133 } // [HGM] kibitz: end of patch
3135 // [HGM] chat: intercept tells by users for which we have an open chat window
3137 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3138 looking_at(buf, &i, "* whispers:") ||
3139 looking_at(buf, &i, "* kibitzes:") ||
3140 looking_at(buf, &i, "* shouts:") ||
3141 looking_at(buf, &i, "* c-shouts:") ||
3142 looking_at(buf, &i, "--> * ") ||
3143 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3144 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3145 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3146 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3148 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3149 chattingPartner = -1;
3151 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3152 for(p=0; p<MAX_CHAT; p++) {
3153 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3154 talker[0] = '['; strcat(talker, "] ");
3155 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3156 chattingPartner = p; break;
3159 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3160 for(p=0; p<MAX_CHAT; p++) {
3161 if(!strcmp("kibitzes", chatPartner[p])) {
3162 talker[0] = '['; strcat(talker, "] ");
3163 chattingPartner = p; break;
3166 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3167 for(p=0; p<MAX_CHAT; p++) {
3168 if(!strcmp("whispers", chatPartner[p])) {
3169 talker[0] = '['; strcat(talker, "] ");
3170 chattingPartner = p; break;
3173 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3174 if(buf[i-8] == '-' && buf[i-3] == 't')
3175 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3176 if(!strcmp("c-shouts", chatPartner[p])) {
3177 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3178 chattingPartner = p; break;
3181 if(chattingPartner < 0)
3182 for(p=0; p<MAX_CHAT; p++) {
3183 if(!strcmp("shouts", chatPartner[p])) {
3184 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3185 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3186 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3187 chattingPartner = p; break;
3191 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3192 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3193 talker[0] = 0; Colorize(ColorTell, FALSE);
3194 chattingPartner = p; break;
3196 if(chattingPartner<0) i = oldi; else {
3197 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3198 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3199 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3200 started = STARTED_COMMENT;
3201 parse_pos = 0; parse[0] = NULLCHAR;
3202 savingComment = 3 + chattingPartner; // counts as TRUE
3203 suppressKibitz = TRUE;
3206 } // [HGM] chat: end of patch
3209 if (appData.zippyTalk || appData.zippyPlay) {
3210 /* [DM] Backup address for color zippy lines */
3212 if (loggedOn == TRUE)
3213 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3214 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3216 } // [DM] 'else { ' deleted
3218 /* Regular tells and says */
3219 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3220 looking_at(buf, &i, "* (your partner) tells you: ") ||
3221 looking_at(buf, &i, "* says: ") ||
3222 /* Don't color "message" or "messages" output */
3223 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3224 looking_at(buf, &i, "*. * at *:*: ") ||
3225 looking_at(buf, &i, "--* (*:*): ") ||
3226 /* Message notifications (same color as tells) */
3227 looking_at(buf, &i, "* has left a message ") ||
3228 looking_at(buf, &i, "* just sent you a message:\n") ||
3229 /* Whispers and kibitzes */
3230 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3231 looking_at(buf, &i, "* kibitzes: ") ||
3233 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3235 if (tkind == 1 && strchr(star_match[0], ':')) {
3236 /* Avoid "tells you:" spoofs in channels */
3239 if (star_match[0][0] == NULLCHAR ||
3240 strchr(star_match[0], ' ') ||
3241 (tkind == 3 && strchr(star_match[1], ' '))) {
3242 /* Reject bogus matches */
3245 if (appData.colorize) {
3246 if (oldi > next_out) {
3247 SendToPlayer(&buf[next_out], oldi - next_out);
3252 Colorize(ColorTell, FALSE);
3253 curColor = ColorTell;
3256 Colorize(ColorKibitz, FALSE);
3257 curColor = ColorKibitz;
3260 p = strrchr(star_match[1], '(');
3267 Colorize(ColorChannel1, FALSE);
3268 curColor = ColorChannel1;
3270 Colorize(ColorChannel, FALSE);
3271 curColor = ColorChannel;
3275 curColor = ColorNormal;
3279 if (started == STARTED_NONE && appData.autoComment &&
3280 (gameMode == IcsObserving ||
3281 gameMode == IcsPlayingWhite ||
3282 gameMode == IcsPlayingBlack)) {
3283 parse_pos = i - oldi;
3284 memcpy(parse, &buf[oldi], parse_pos);
3285 parse[parse_pos] = NULLCHAR;
3286 started = STARTED_COMMENT;
3287 savingComment = TRUE;
3289 started = STARTED_CHATTER;
3290 savingComment = FALSE;
3297 if (looking_at(buf, &i, "* s-shouts: ") ||
3298 looking_at(buf, &i, "* c-shouts: ")) {
3299 if (appData.colorize) {
3300 if (oldi > next_out) {
3301 SendToPlayer(&buf[next_out], oldi - next_out);
3304 Colorize(ColorSShout, FALSE);
3305 curColor = ColorSShout;
3308 started = STARTED_CHATTER;
3312 if (looking_at(buf, &i, "--->")) {
3317 if (looking_at(buf, &i, "* shouts: ") ||
3318 looking_at(buf, &i, "--> ")) {
3319 if (appData.colorize) {
3320 if (oldi > next_out) {
3321 SendToPlayer(&buf[next_out], oldi - next_out);
3324 Colorize(ColorShout, FALSE);
3325 curColor = ColorShout;
3328 started = STARTED_CHATTER;
3332 if (looking_at( buf, &i, "Challenge:")) {
3333 if (appData.colorize) {
3334 if (oldi > next_out) {
3335 SendToPlayer(&buf[next_out], oldi - next_out);
3338 Colorize(ColorChallenge, FALSE);
3339 curColor = ColorChallenge;
3345 if (looking_at(buf, &i, "* offers you") ||
3346 looking_at(buf, &i, "* offers to be") ||
3347 looking_at(buf, &i, "* would like to") ||
3348 looking_at(buf, &i, "* requests to") ||
3349 looking_at(buf, &i, "Your opponent offers") ||
3350 looking_at(buf, &i, "Your opponent requests")) {
3352 if (appData.colorize) {
3353 if (oldi > next_out) {
3354 SendToPlayer(&buf[next_out], oldi - next_out);
3357 Colorize(ColorRequest, FALSE);
3358 curColor = ColorRequest;
3363 if (looking_at(buf, &i, "* (*) seeking")) {
3364 if (appData.colorize) {
3365 if (oldi > next_out) {
3366 SendToPlayer(&buf[next_out], oldi - next_out);
3369 Colorize(ColorSeek, FALSE);
3370 curColor = ColorSeek;
3375 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3377 if (looking_at(buf, &i, "\\ ")) {
3378 if (prevColor != ColorNormal) {
3379 if (oldi > next_out) {
3380 SendToPlayer(&buf[next_out], oldi - next_out);
3383 Colorize(prevColor, TRUE);
3384 curColor = prevColor;
3386 if (savingComment) {
3387 parse_pos = i - oldi;
3388 memcpy(parse, &buf[oldi], parse_pos);
3389 parse[parse_pos] = NULLCHAR;
3390 started = STARTED_COMMENT;
3391 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3392 chattingPartner = savingComment - 3; // kludge to remember the box
3394 started = STARTED_CHATTER;
3399 if (looking_at(buf, &i, "Black Strength :") ||
3400 looking_at(buf, &i, "<<< style 10 board >>>") ||
3401 looking_at(buf, &i, "<10>") ||
3402 looking_at(buf, &i, "#@#")) {
3403 /* Wrong board style */
3405 SendToICS(ics_prefix);
3406 SendToICS("set style 12\n");
3407 SendToICS(ics_prefix);
3408 SendToICS("refresh\n");
3412 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3414 have_sent_ICS_logon = 1;
3418 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3419 (looking_at(buf, &i, "\n<12> ") ||
3420 looking_at(buf, &i, "<12> "))) {
3422 if (oldi > next_out) {
3423 SendToPlayer(&buf[next_out], oldi - next_out);
3426 started = STARTED_BOARD;
3431 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3432 looking_at(buf, &i, "<b1> ")) {
3433 if (oldi > next_out) {
3434 SendToPlayer(&buf[next_out], oldi - next_out);
3437 started = STARTED_HOLDINGS;
3442 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3444 /* Header for a move list -- first line */
3446 switch (ics_getting_history) {
3450 case BeginningOfGame:
3451 /* User typed "moves" or "oldmoves" while we
3452 were idle. Pretend we asked for these
3453 moves and soak them up so user can step
3454 through them and/or save them.
3457 gameMode = IcsObserving;
3460 ics_getting_history = H_GOT_UNREQ_HEADER;
3462 case EditGame: /*?*/
3463 case EditPosition: /*?*/
3464 /* Should above feature work in these modes too? */
3465 /* For now it doesn't */
3466 ics_getting_history = H_GOT_UNWANTED_HEADER;
3469 ics_getting_history = H_GOT_UNWANTED_HEADER;
3474 /* Is this the right one? */
3475 if (gameInfo.white && gameInfo.black &&
3476 strcmp(gameInfo.white, star_match[0]) == 0 &&
3477 strcmp(gameInfo.black, star_match[2]) == 0) {
3479 ics_getting_history = H_GOT_REQ_HEADER;
3482 case H_GOT_REQ_HEADER:
3483 case H_GOT_UNREQ_HEADER:
3484 case H_GOT_UNWANTED_HEADER:
3485 case H_GETTING_MOVES:
3486 /* Should not happen */
3487 DisplayError(_("Error gathering move list: two headers"), 0);
3488 ics_getting_history = H_FALSE;
3492 /* Save player ratings into gameInfo if needed */
3493 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3494 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3495 (gameInfo.whiteRating == -1 ||
3496 gameInfo.blackRating == -1)) {
3498 gameInfo.whiteRating = string_to_rating(star_match[1]);
3499 gameInfo.blackRating = string_to_rating(star_match[3]);
3500 if (appData.debugMode)
3501 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3502 gameInfo.whiteRating, gameInfo.blackRating);
3507 if (looking_at(buf, &i,
3508 "* * match, initial time: * minute*, increment: * second")) {
3509 /* Header for a move list -- second line */
3510 /* Initial board will follow if this is a wild game */
3511 if (gameInfo.event != NULL) free(gameInfo.event);
3512 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3513 gameInfo.event = StrSave(str);
3514 /* [HGM] we switched variant. Translate boards if needed. */
3515 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3519 if (looking_at(buf, &i, "Move ")) {
3520 /* Beginning of a move list */
3521 switch (ics_getting_history) {
3523 /* Normally should not happen */
3524 /* Maybe user hit reset while we were parsing */
3527 /* Happens if we are ignoring a move list that is not
3528 * the one we just requested. Common if the user
3529 * tries to observe two games without turning off
3532 case H_GETTING_MOVES:
3533 /* Should not happen */
3534 DisplayError(_("Error gathering move list: nested"), 0);
3535 ics_getting_history = H_FALSE;
3537 case H_GOT_REQ_HEADER:
3538 ics_getting_history = H_GETTING_MOVES;
3539 started = STARTED_MOVES;
3541 if (oldi > next_out) {
3542 SendToPlayer(&buf[next_out], oldi - next_out);
3545 case H_GOT_UNREQ_HEADER:
3546 ics_getting_history = H_GETTING_MOVES;
3547 started = STARTED_MOVES_NOHIDE;
3550 case H_GOT_UNWANTED_HEADER:
3551 ics_getting_history = H_FALSE;
3557 if (looking_at(buf, &i, "% ") ||
3558 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3559 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3560 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3561 soughtPending = FALSE;
3565 if(suppressKibitz) next_out = i;
3566 savingComment = FALSE;
3570 case STARTED_MOVES_NOHIDE:
3571 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3572 parse[parse_pos + i - oldi] = NULLCHAR;
3573 ParseGameHistory(parse);
3575 if (appData.zippyPlay && first.initDone) {
3576 FeedMovesToProgram(&first, forwardMostMove);
3577 if (gameMode == IcsPlayingWhite) {
3578 if (WhiteOnMove(forwardMostMove)) {
3579 if (first.sendTime) {
3580 if (first.useColors) {
3581 SendToProgram("black\n", &first);
3583 SendTimeRemaining(&first, TRUE);
3585 if (first.useColors) {
3586 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3588 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3589 first.maybeThinking = TRUE;
3591 if (first.usePlayother) {
3592 if (first.sendTime) {
3593 SendTimeRemaining(&first, TRUE);
3595 SendToProgram("playother\n", &first);
3601 } else if (gameMode == IcsPlayingBlack) {
3602 if (!WhiteOnMove(forwardMostMove)) {
3603 if (first.sendTime) {
3604 if (first.useColors) {
3605 SendToProgram("white\n", &first);
3607 SendTimeRemaining(&first, FALSE);
3609 if (first.useColors) {
3610 SendToProgram("black\n", &first);
3612 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3613 first.maybeThinking = TRUE;
3615 if (first.usePlayother) {
3616 if (first.sendTime) {
3617 SendTimeRemaining(&first, FALSE);
3619 SendToProgram("playother\n", &first);
3628 if (gameMode == IcsObserving && ics_gamenum == -1) {
3629 /* Moves came from oldmoves or moves command
3630 while we weren't doing anything else.
3632 currentMove = forwardMostMove;
3633 ClearHighlights();/*!!could figure this out*/
3634 flipView = appData.flipView;
3635 DrawPosition(TRUE, boards[currentMove]);
3636 DisplayBothClocks();
3637 snprintf(str, MSG_SIZ, "%s vs. %s",
3638 gameInfo.white, gameInfo.black);
3642 /* Moves were history of an active game */
3643 if (gameInfo.resultDetails != NULL) {
3644 free(gameInfo.resultDetails);
3645 gameInfo.resultDetails = NULL;
3648 HistorySet(parseList, backwardMostMove,
3649 forwardMostMove, currentMove-1);
3650 DisplayMove(currentMove - 1);
3651 if (started == STARTED_MOVES) next_out = i;
3652 started = STARTED_NONE;
3653 ics_getting_history = H_FALSE;
3656 case STARTED_OBSERVE:
3657 started = STARTED_NONE;
3658 SendToICS(ics_prefix);
3659 SendToICS("refresh\n");
3665 if(bookHit) { // [HGM] book: simulate book reply
3666 static char bookMove[MSG_SIZ]; // a bit generous?
3668 programStats.nodes = programStats.depth = programStats.time =
3669 programStats.score = programStats.got_only_move = 0;
3670 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3672 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3673 strcat(bookMove, bookHit);
3674 HandleMachineMove(bookMove, &first);
3679 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3680 started == STARTED_HOLDINGS ||
3681 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3682 /* Accumulate characters in move list or board */
3683 parse[parse_pos++] = buf[i];
3686 /* Start of game messages. Mostly we detect start of game
3687 when the first board image arrives. On some versions
3688 of the ICS, though, we need to do a "refresh" after starting
3689 to observe in order to get the current board right away. */
3690 if (looking_at(buf, &i, "Adding game * to observation list")) {
3691 started = STARTED_OBSERVE;
3695 /* Handle auto-observe */
3696 if (appData.autoObserve &&
3697 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3698 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3700 /* Choose the player that was highlighted, if any. */
3701 if (star_match[0][0] == '\033' ||
3702 star_match[1][0] != '\033') {
3703 player = star_match[0];
3705 player = star_match[2];
3707 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3708 ics_prefix, StripHighlightAndTitle(player));
3711 /* Save ratings from notify string */
3712 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3713 player1Rating = string_to_rating(star_match[1]);
3714 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3715 player2Rating = string_to_rating(star_match[3]);
3717 if (appData.debugMode)
3719 "Ratings from 'Game notification:' %s %d, %s %d\n",
3720 player1Name, player1Rating,
3721 player2Name, player2Rating);
3726 /* Deal with automatic examine mode after a game,
3727 and with IcsObserving -> IcsExamining transition */
3728 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3729 looking_at(buf, &i, "has made you an examiner of game *")) {
3731 int gamenum = atoi(star_match[0]);
3732 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3733 gamenum == ics_gamenum) {
3734 /* We were already playing or observing this game;
3735 no need to refetch history */
3736 gameMode = IcsExamining;
3738 pauseExamForwardMostMove = forwardMostMove;
3739 } else if (currentMove < forwardMostMove) {
3740 ForwardInner(forwardMostMove);
3743 /* I don't think this case really can happen */
3744 SendToICS(ics_prefix);
3745 SendToICS("refresh\n");
3750 /* Error messages */
3751 // if (ics_user_moved) {
3752 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3753 if (looking_at(buf, &i, "Illegal move") ||
3754 looking_at(buf, &i, "Not a legal move") ||
3755 looking_at(buf, &i, "Your king is in check") ||
3756 looking_at(buf, &i, "It isn't your turn") ||
3757 looking_at(buf, &i, "It is not your move")) {
3759 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3760 currentMove = forwardMostMove-1;
3761 DisplayMove(currentMove - 1); /* before DMError */
3762 DrawPosition(FALSE, boards[currentMove]);
3763 SwitchClocks(forwardMostMove-1); // [HGM] race
3764 DisplayBothClocks();
3766 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3772 if (looking_at(buf, &i, "still have time") ||
3773 looking_at(buf, &i, "not out of time") ||
3774 looking_at(buf, &i, "either player is out of time") ||
3775 looking_at(buf, &i, "has timeseal; checking")) {
3776 /* We must have called his flag a little too soon */
3777 whiteFlag = blackFlag = FALSE;
3781 if (looking_at(buf, &i, "added * seconds to") ||
3782 looking_at(buf, &i, "seconds were added to")) {
3783 /* Update the clocks */
3784 SendToICS(ics_prefix);
3785 SendToICS("refresh\n");
3789 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3790 ics_clock_paused = TRUE;
3795 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3796 ics_clock_paused = FALSE;
3801 /* Grab player ratings from the Creating: message.
3802 Note we have to check for the special case when
3803 the ICS inserts things like [white] or [black]. */
3804 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3805 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3807 0 player 1 name (not necessarily white)
3809 2 empty, white, or black (IGNORED)
3810 3 player 2 name (not necessarily black)
3813 The names/ratings are sorted out when the game
3814 actually starts (below).
3816 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3817 player1Rating = string_to_rating(star_match[1]);
3818 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3819 player2Rating = string_to_rating(star_match[4]);
3821 if (appData.debugMode)
3823 "Ratings from 'Creating:' %s %d, %s %d\n",
3824 player1Name, player1Rating,
3825 player2Name, player2Rating);
3830 /* Improved generic start/end-of-game messages */
3831 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3832 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3833 /* If tkind == 0: */
3834 /* star_match[0] is the game number */
3835 /* [1] is the white player's name */
3836 /* [2] is the black player's name */
3837 /* For end-of-game: */
3838 /* [3] is the reason for the game end */
3839 /* [4] is a PGN end game-token, preceded by " " */
3840 /* For start-of-game: */
3841 /* [3] begins with "Creating" or "Continuing" */
3842 /* [4] is " *" or empty (don't care). */
3843 int gamenum = atoi(star_match[0]);
3844 char *whitename, *blackname, *why, *endtoken;
3845 ChessMove endtype = EndOfFile;
3848 whitename = star_match[1];
3849 blackname = star_match[2];
3850 why = star_match[3];
3851 endtoken = star_match[4];
3853 whitename = star_match[1];
3854 blackname = star_match[3];
3855 why = star_match[5];
3856 endtoken = star_match[6];
3859 /* Game start messages */
3860 if (strncmp(why, "Creating ", 9) == 0 ||
3861 strncmp(why, "Continuing ", 11) == 0) {
3862 gs_gamenum = gamenum;
3863 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3864 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3866 if (appData.zippyPlay) {
3867 ZippyGameStart(whitename, blackname);
3870 partnerBoardValid = FALSE; // [HGM] bughouse
3874 /* Game end messages */
3875 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3876 ics_gamenum != gamenum) {
3879 while (endtoken[0] == ' ') endtoken++;
3880 switch (endtoken[0]) {
3883 endtype = GameUnfinished;
3886 endtype = BlackWins;
3889 if (endtoken[1] == '/')
3890 endtype = GameIsDrawn;
3892 endtype = WhiteWins;
3895 GameEnds(endtype, why, GE_ICS);
3897 if (appData.zippyPlay && first.initDone) {
3898 ZippyGameEnd(endtype, why);
3899 if (first.pr == NULL) {
3900 /* Start the next process early so that we'll
3901 be ready for the next challenge */
3902 StartChessProgram(&first);
3904 /* Send "new" early, in case this command takes
3905 a long time to finish, so that we'll be ready
3906 for the next challenge. */
3907 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3911 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3915 if (looking_at(buf, &i, "Removing game * from observation") ||
3916 looking_at(buf, &i, "no longer observing game *") ||
3917 looking_at(buf, &i, "Game * (*) has no examiners")) {
3918 if (gameMode == IcsObserving &&
3919 atoi(star_match[0]) == ics_gamenum)
3921 /* icsEngineAnalyze */
3922 if (appData.icsEngineAnalyze) {
3929 ics_user_moved = FALSE;
3934 if (looking_at(buf, &i, "no longer examining game *")) {
3935 if (gameMode == IcsExamining &&
3936 atoi(star_match[0]) == ics_gamenum)
3940 ics_user_moved = FALSE;
3945 /* Advance leftover_start past any newlines we find,
3946 so only partial lines can get reparsed */
3947 if (looking_at(buf, &i, "\n")) {
3948 prevColor = curColor;
3949 if (curColor != ColorNormal) {
3950 if (oldi > next_out) {
3951 SendToPlayer(&buf[next_out], oldi - next_out);
3954 Colorize(ColorNormal, FALSE);
3955 curColor = ColorNormal;
3957 if (started == STARTED_BOARD) {
3958 started = STARTED_NONE;
3959 parse[parse_pos] = NULLCHAR;
3960 ParseBoard12(parse);
3963 /* Send premove here */
3964 if (appData.premove) {
3966 if (currentMove == 0 &&
3967 gameMode == IcsPlayingWhite &&
3968 appData.premoveWhite) {
3969 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3970 if (appData.debugMode)
3971 fprintf(debugFP, "Sending premove:\n");
3973 } else if (currentMove == 1 &&
3974 gameMode == IcsPlayingBlack &&
3975 appData.premoveBlack) {
3976 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3977 if (appData.debugMode)
3978 fprintf(debugFP, "Sending premove:\n");
3980 } else if (gotPremove) {
3982 ClearPremoveHighlights();
3983 if (appData.debugMode)
3984 fprintf(debugFP, "Sending premove:\n");
3985 UserMoveEvent(premoveFromX, premoveFromY,
3986 premoveToX, premoveToY,
3991 /* Usually suppress following prompt */
3992 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3993 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3994 if (looking_at(buf, &i, "*% ")) {
3995 savingComment = FALSE;
4000 } else if (started == STARTED_HOLDINGS) {
4002 char new_piece[MSG_SIZ];
4003 started = STARTED_NONE;
4004 parse[parse_pos] = NULLCHAR;
4005 if (appData.debugMode)
4006 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4007 parse, currentMove);
4008 if (sscanf(parse, " game %d", &gamenum) == 1) {
4009 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4010 if (gameInfo.variant == VariantNormal) {
4011 /* [HGM] We seem to switch variant during a game!
4012 * Presumably no holdings were displayed, so we have
4013 * to move the position two files to the right to
4014 * create room for them!
4016 VariantClass newVariant;
4017 switch(gameInfo.boardWidth) { // base guess on board width
4018 case 9: newVariant = VariantShogi; break;
4019 case 10: newVariant = VariantGreat; break;
4020 default: newVariant = VariantCrazyhouse; break;
4022 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4023 /* Get a move list just to see the header, which
4024 will tell us whether this is really bug or zh */
4025 if (ics_getting_history == H_FALSE) {
4026 ics_getting_history = H_REQUESTED;
4027 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4031 new_piece[0] = NULLCHAR;
4032 sscanf(parse, "game %d white [%s black [%s <- %s",
4033 &gamenum, white_holding, black_holding,
4035 white_holding[strlen(white_holding)-1] = NULLCHAR;
4036 black_holding[strlen(black_holding)-1] = NULLCHAR;
4037 /* [HGM] copy holdings to board holdings area */
4038 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4039 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4040 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4042 if (appData.zippyPlay && first.initDone) {
4043 ZippyHoldings(white_holding, black_holding,
4047 if (tinyLayout || smallLayout) {
4048 char wh[16], bh[16];
4049 PackHolding(wh, white_holding);
4050 PackHolding(bh, black_holding);
4051 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4052 gameInfo.white, gameInfo.black);
4054 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4055 gameInfo.white, white_holding,
4056 gameInfo.black, black_holding);
4058 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4059 DrawPosition(FALSE, boards[currentMove]);
4061 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4062 sscanf(parse, "game %d white [%s black [%s <- %s",
4063 &gamenum, white_holding, black_holding,
4065 white_holding[strlen(white_holding)-1] = NULLCHAR;
4066 black_holding[strlen(black_holding)-1] = NULLCHAR;
4067 /* [HGM] copy holdings to partner-board holdings area */
4068 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4069 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4070 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4071 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4072 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4075 /* Suppress following prompt */
4076 if (looking_at(buf, &i, "*% ")) {
4077 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4078 savingComment = FALSE;
4086 i++; /* skip unparsed character and loop back */
4089 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4090 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4091 // SendToPlayer(&buf[next_out], i - next_out);
4092 started != STARTED_HOLDINGS && leftover_start > next_out) {
4093 SendToPlayer(&buf[next_out], leftover_start - next_out);
4097 leftover_len = buf_len - leftover_start;
4098 /* if buffer ends with something we couldn't parse,
4099 reparse it after appending the next read */
4101 } else if (count == 0) {
4102 RemoveInputSource(isr);
4103 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4105 DisplayFatalError(_("Error reading from ICS"), error, 1);
4110 /* Board style 12 looks like this:
4112 <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
4114 * The "<12> " is stripped before it gets to this routine. The two
4115 * trailing 0's (flip state and clock ticking) are later addition, and
4116 * some chess servers may not have them, or may have only the first.
4117 * Additional trailing fields may be added in the future.
4120 #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"
4122 #define RELATION_OBSERVING_PLAYED 0
4123 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4124 #define RELATION_PLAYING_MYMOVE 1
4125 #define RELATION_PLAYING_NOTMYMOVE -1
4126 #define RELATION_EXAMINING 2
4127 #define RELATION_ISOLATED_BOARD -3
4128 #define RELATION_STARTING_POSITION -4 /* FICS only */
4131 ParseBoard12(string)
4134 GameMode newGameMode;
4135 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4136 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4137 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4138 char to_play, board_chars[200];
4139 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4140 char black[32], white[32];
4142 int prevMove = currentMove;
4145 int fromX, fromY, toX, toY;
4147 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4148 char *bookHit = NULL; // [HGM] book
4149 Boolean weird = FALSE, reqFlag = FALSE;
4151 fromX = fromY = toX = toY = -1;
4155 if (appData.debugMode)
4156 fprintf(debugFP, _("Parsing board: %s\n"), string);
4158 move_str[0] = NULLCHAR;
4159 elapsed_time[0] = NULLCHAR;
4160 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4162 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4163 if(string[i] == ' ') { ranks++; files = 0; }
4165 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4168 for(j = 0; j <i; j++) board_chars[j] = string[j];
4169 board_chars[i] = '\0';
4172 n = sscanf(string, PATTERN, &to_play, &double_push,
4173 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4174 &gamenum, white, black, &relation, &basetime, &increment,
4175 &white_stren, &black_stren, &white_time, &black_time,
4176 &moveNum, str, elapsed_time, move_str, &ics_flip,
4180 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4181 DisplayError(str, 0);
4185 /* Convert the move number to internal form */
4186 moveNum = (moveNum - 1) * 2;
4187 if (to_play == 'B') moveNum++;
4188 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4189 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4195 case RELATION_OBSERVING_PLAYED:
4196 case RELATION_OBSERVING_STATIC:
4197 if (gamenum == -1) {
4198 /* Old ICC buglet */
4199 relation = RELATION_OBSERVING_STATIC;
4201 newGameMode = IcsObserving;
4203 case RELATION_PLAYING_MYMOVE:
4204 case RELATION_PLAYING_NOTMYMOVE:
4206 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4207 IcsPlayingWhite : IcsPlayingBlack;
4209 case RELATION_EXAMINING:
4210 newGameMode = IcsExamining;
4212 case RELATION_ISOLATED_BOARD:
4214 /* Just display this board. If user was doing something else,
4215 we will forget about it until the next board comes. */
4216 newGameMode = IcsIdle;
4218 case RELATION_STARTING_POSITION:
4219 newGameMode = gameMode;
4223 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4224 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4225 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4227 for (k = 0; k < ranks; k++) {
4228 for (j = 0; j < files; j++)
4229 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4230 if(gameInfo.holdingsWidth > 1) {
4231 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4232 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4235 CopyBoard(partnerBoard, board);
4236 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4237 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4238 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4239 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4240 if(toSqr = strchr(str, '-')) {
4241 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4242 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4243 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4244 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4245 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4246 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4247 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4248 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4249 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4250 DisplayMessage(partnerStatus, "");
4251 partnerBoardValid = TRUE;
4255 /* Modify behavior for initial board display on move listing
4258 switch (ics_getting_history) {
4262 case H_GOT_REQ_HEADER:
4263 case H_GOT_UNREQ_HEADER:
4264 /* This is the initial position of the current game */
4265 gamenum = ics_gamenum;
4266 moveNum = 0; /* old ICS bug workaround */
4267 if (to_play == 'B') {
4268 startedFromSetupPosition = TRUE;
4269 blackPlaysFirst = TRUE;
4271 if (forwardMostMove == 0) forwardMostMove = 1;
4272 if (backwardMostMove == 0) backwardMostMove = 1;
4273 if (currentMove == 0) currentMove = 1;
4275 newGameMode = gameMode;
4276 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4278 case H_GOT_UNWANTED_HEADER:
4279 /* This is an initial board that we don't want */
4281 case H_GETTING_MOVES:
4282 /* Should not happen */
4283 DisplayError(_("Error gathering move list: extra board"), 0);
4284 ics_getting_history = H_FALSE;
4288 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4289 weird && (int)gameInfo.variant < (int)VariantShogi) {
4290 /* [HGM] We seem to have switched variant unexpectedly
4291 * Try to guess new variant from board size
4293 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4294 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4295 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4296 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4297 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4298 if(!weird) newVariant = VariantNormal;
4299 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4300 /* Get a move list just to see the header, which
4301 will tell us whether this is really bug or zh */
4302 if (ics_getting_history == H_FALSE) {
4303 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4304 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4309 /* Take action if this is the first board of a new game, or of a
4310 different game than is currently being displayed. */
4311 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4312 relation == RELATION_ISOLATED_BOARD) {
4314 /* Forget the old game and get the history (if any) of the new one */
4315 if (gameMode != BeginningOfGame) {
4319 if (appData.autoRaiseBoard) BoardToTop();
4321 if (gamenum == -1) {
4322 newGameMode = IcsIdle;
4323 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4324 appData.getMoveList && !reqFlag) {
4325 /* Need to get game history */
4326 ics_getting_history = H_REQUESTED;
4327 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4331 /* Initially flip the board to have black on the bottom if playing
4332 black or if the ICS flip flag is set, but let the user change
4333 it with the Flip View button. */
4334 flipView = appData.autoFlipView ?
4335 (newGameMode == IcsPlayingBlack) || ics_flip :
4338 /* Done with values from previous mode; copy in new ones */
4339 gameMode = newGameMode;
4341 ics_gamenum = gamenum;
4342 if (gamenum == gs_gamenum) {
4343 int klen = strlen(gs_kind);
4344 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4345 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4346 gameInfo.event = StrSave(str);
4348 gameInfo.event = StrSave("ICS game");
4350 gameInfo.site = StrSave(appData.icsHost);
4351 gameInfo.date = PGNDate();
4352 gameInfo.round = StrSave("-");
4353 gameInfo.white = StrSave(white);
4354 gameInfo.black = StrSave(black);
4355 timeControl = basetime * 60 * 1000;
4357 timeIncrement = increment * 1000;
4358 movesPerSession = 0;
4359 gameInfo.timeControl = TimeControlTagValue();
4360 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4361 if (appData.debugMode) {
4362 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4363 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4364 setbuf(debugFP, NULL);
4367 gameInfo.outOfBook = NULL;
4369 /* Do we have the ratings? */
4370 if (strcmp(player1Name, white) == 0 &&
4371 strcmp(player2Name, black) == 0) {
4372 if (appData.debugMode)
4373 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4374 player1Rating, player2Rating);
4375 gameInfo.whiteRating = player1Rating;
4376 gameInfo.blackRating = player2Rating;
4377 } else if (strcmp(player2Name, white) == 0 &&
4378 strcmp(player1Name, black) == 0) {
4379 if (appData.debugMode)
4380 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4381 player2Rating, player1Rating);
4382 gameInfo.whiteRating = player2Rating;
4383 gameInfo.blackRating = player1Rating;
4385 player1Name[0] = player2Name[0] = NULLCHAR;
4387 /* Silence shouts if requested */
4388 if (appData.quietPlay &&
4389 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4390 SendToICS(ics_prefix);
4391 SendToICS("set shout 0\n");
4395 /* Deal with midgame name changes */
4397 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4398 if (gameInfo.white) free(gameInfo.white);
4399 gameInfo.white = StrSave(white);
4401 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4402 if (gameInfo.black) free(gameInfo.black);
4403 gameInfo.black = StrSave(black);
4407 /* Throw away game result if anything actually changes in examine mode */
4408 if (gameMode == IcsExamining && !newGame) {
4409 gameInfo.result = GameUnfinished;
4410 if (gameInfo.resultDetails != NULL) {
4411 free(gameInfo.resultDetails);
4412 gameInfo.resultDetails = NULL;
4416 /* In pausing && IcsExamining mode, we ignore boards coming
4417 in if they are in a different variation than we are. */
4418 if (pauseExamInvalid) return;
4419 if (pausing && gameMode == IcsExamining) {
4420 if (moveNum <= pauseExamForwardMostMove) {
4421 pauseExamInvalid = TRUE;
4422 forwardMostMove = pauseExamForwardMostMove;
4427 if (appData.debugMode) {
4428 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4430 /* Parse the board */
4431 for (k = 0; k < ranks; k++) {
4432 for (j = 0; j < files; j++)
4433 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4434 if(gameInfo.holdingsWidth > 1) {
4435 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4436 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4439 CopyBoard(boards[moveNum], board);
4440 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4442 startedFromSetupPosition =
4443 !CompareBoards(board, initialPosition);
4444 if(startedFromSetupPosition)
4445 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4448 /* [HGM] Set castling rights. Take the outermost Rooks,
4449 to make it also work for FRC opening positions. Note that board12
4450 is really defective for later FRC positions, as it has no way to
4451 indicate which Rook can castle if they are on the same side of King.
4452 For the initial position we grant rights to the outermost Rooks,
4453 and remember thos rights, and we then copy them on positions
4454 later in an FRC game. This means WB might not recognize castlings with
4455 Rooks that have moved back to their original position as illegal,
4456 but in ICS mode that is not its job anyway.
4458 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4459 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4461 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4462 if(board[0][i] == WhiteRook) j = i;
4463 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4464 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4465 if(board[0][i] == WhiteRook) j = i;
4466 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4467 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4468 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4469 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4470 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4471 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4472 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4474 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4475 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4476 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4477 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4478 if(board[BOARD_HEIGHT-1][k] == bKing)
4479 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4480 if(gameInfo.variant == VariantTwoKings) {
4481 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4482 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4483 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4486 r = boards[moveNum][CASTLING][0] = initialRights[0];
4487 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4488 r = boards[moveNum][CASTLING][1] = initialRights[1];
4489 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4490 r = boards[moveNum][CASTLING][3] = initialRights[3];
4491 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4492 r = boards[moveNum][CASTLING][4] = initialRights[4];
4493 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4494 /* wildcastle kludge: always assume King has rights */
4495 r = boards[moveNum][CASTLING][2] = initialRights[2];
4496 r = boards[moveNum][CASTLING][5] = initialRights[5];
4498 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4499 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4502 if (ics_getting_history == H_GOT_REQ_HEADER ||
4503 ics_getting_history == H_GOT_UNREQ_HEADER) {
4504 /* This was an initial position from a move list, not
4505 the current position */
4509 /* Update currentMove and known move number limits */
4510 newMove = newGame || moveNum > forwardMostMove;
4513 forwardMostMove = backwardMostMove = currentMove = moveNum;
4514 if (gameMode == IcsExamining && moveNum == 0) {
4515 /* Workaround for ICS limitation: we are not told the wild
4516 type when starting to examine a game. But if we ask for
4517 the move list, the move list header will tell us */
4518 ics_getting_history = H_REQUESTED;
4519 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4522 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4523 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4525 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4526 /* [HGM] applied this also to an engine that is silently watching */
4527 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4528 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4529 gameInfo.variant == currentlyInitializedVariant) {
4530 takeback = forwardMostMove - moveNum;
4531 for (i = 0; i < takeback; i++) {
4532 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4533 SendToProgram("undo\n", &first);
4538 forwardMostMove = moveNum;
4539 if (!pausing || currentMove > forwardMostMove)
4540 currentMove = forwardMostMove;
4542 /* New part of history that is not contiguous with old part */
4543 if (pausing && gameMode == IcsExamining) {
4544 pauseExamInvalid = TRUE;
4545 forwardMostMove = pauseExamForwardMostMove;
4548 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4550 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4551 // [HGM] when we will receive the move list we now request, it will be
4552 // fed to the engine from the first move on. So if the engine is not
4553 // in the initial position now, bring it there.
4554 InitChessProgram(&first, 0);
4557 ics_getting_history = H_REQUESTED;
4558 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4561 forwardMostMove = backwardMostMove = currentMove = moveNum;
4564 /* Update the clocks */
4565 if (strchr(elapsed_time, '.')) {
4567 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4568 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4570 /* Time is in seconds */
4571 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4572 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4577 if (appData.zippyPlay && newGame &&
4578 gameMode != IcsObserving && gameMode != IcsIdle &&
4579 gameMode != IcsExamining)
4580 ZippyFirstBoard(moveNum, basetime, increment);
4583 /* Put the move on the move list, first converting
4584 to canonical algebraic form. */
4586 if (appData.debugMode) {
4587 if (appData.debugMode) { int f = forwardMostMove;
4588 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4589 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4590 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4592 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4593 fprintf(debugFP, "moveNum = %d\n", moveNum);
4594 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4595 setbuf(debugFP, NULL);
4597 if (moveNum <= backwardMostMove) {
4598 /* We don't know what the board looked like before
4600 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4601 strcat(parseList[moveNum - 1], " ");
4602 strcat(parseList[moveNum - 1], elapsed_time);
4603 moveList[moveNum - 1][0] = NULLCHAR;
4604 } else if (strcmp(move_str, "none") == 0) {
4605 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4606 /* Again, we don't know what the board looked like;
4607 this is really the start of the game. */
4608 parseList[moveNum - 1][0] = NULLCHAR;
4609 moveList[moveNum - 1][0] = NULLCHAR;
4610 backwardMostMove = moveNum;
4611 startedFromSetupPosition = TRUE;
4612 fromX = fromY = toX = toY = -1;
4614 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4615 // So we parse the long-algebraic move string in stead of the SAN move
4616 int valid; char buf[MSG_SIZ], *prom;
4618 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4619 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4620 // str looks something like "Q/a1-a2"; kill the slash
4622 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4623 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4624 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4625 strcat(buf, prom); // long move lacks promo specification!
4626 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4627 if(appData.debugMode)
4628 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4629 safeStrCpy(move_str, buf, MSG_SIZ);
4631 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4632 &fromX, &fromY, &toX, &toY, &promoChar)
4633 || ParseOneMove(buf, moveNum - 1, &moveType,
4634 &fromX, &fromY, &toX, &toY, &promoChar);
4635 // end of long SAN patch
4637 (void) CoordsToAlgebraic(boards[moveNum - 1],
4638 PosFlags(moveNum - 1),
4639 fromY, fromX, toY, toX, promoChar,
4640 parseList[moveNum-1]);
4641 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4647 if(gameInfo.variant != VariantShogi)
4648 strcat(parseList[moveNum - 1], "+");
4651 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4652 strcat(parseList[moveNum - 1], "#");
4655 strcat(parseList[moveNum - 1], " ");
4656 strcat(parseList[moveNum - 1], elapsed_time);
4657 /* currentMoveString is set as a side-effect of ParseOneMove */
4658 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4659 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4660 strcat(moveList[moveNum - 1], "\n");
4662 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4663 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4664 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4665 ChessSquare old, new = boards[moveNum][k][j];
4666 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4667 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4668 if(old == new) continue;
4669 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4670 else if(new == WhiteWazir || new == BlackWazir) {
4671 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4672 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4673 else boards[moveNum][k][j] = old; // preserve type of Gold
4674 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4675 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4678 /* Move from ICS was illegal!? Punt. */
4679 if (appData.debugMode) {
4680 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4681 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4683 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4684 strcat(parseList[moveNum - 1], " ");
4685 strcat(parseList[moveNum - 1], elapsed_time);
4686 moveList[moveNum - 1][0] = NULLCHAR;
4687 fromX = fromY = toX = toY = -1;
4690 if (appData.debugMode) {
4691 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4692 setbuf(debugFP, NULL);
4696 /* Send move to chess program (BEFORE animating it). */
4697 if (appData.zippyPlay && !newGame && newMove &&
4698 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4700 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4701 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4702 if (moveList[moveNum - 1][0] == NULLCHAR) {
4703 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4705 DisplayError(str, 0);
4707 if (first.sendTime) {
4708 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4710 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4711 if (firstMove && !bookHit) {
4713 if (first.useColors) {
4714 SendToProgram(gameMode == IcsPlayingWhite ?
4716 "black\ngo\n", &first);
4718 SendToProgram("go\n", &first);
4720 first.maybeThinking = TRUE;
4723 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4724 if (moveList[moveNum - 1][0] == NULLCHAR) {
4725 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4726 DisplayError(str, 0);
4728 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4729 SendMoveToProgram(moveNum - 1, &first);
4736 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4737 /* If move comes from a remote source, animate it. If it
4738 isn't remote, it will have already been animated. */
4739 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4740 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4742 if (!pausing && appData.highlightLastMove) {
4743 SetHighlights(fromX, fromY, toX, toY);
4747 /* Start the clocks */
4748 whiteFlag = blackFlag = FALSE;
4749 appData.clockMode = !(basetime == 0 && increment == 0);
4751 ics_clock_paused = TRUE;
4753 } else if (ticking == 1) {
4754 ics_clock_paused = FALSE;
4756 if (gameMode == IcsIdle ||
4757 relation == RELATION_OBSERVING_STATIC ||
4758 relation == RELATION_EXAMINING ||
4760 DisplayBothClocks();
4764 /* Display opponents and material strengths */
4765 if (gameInfo.variant != VariantBughouse &&
4766 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4767 if (tinyLayout || smallLayout) {
4768 if(gameInfo.variant == VariantNormal)
4769 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4770 gameInfo.white, white_stren, gameInfo.black, black_stren,
4771 basetime, increment);
4773 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4774 gameInfo.white, white_stren, gameInfo.black, black_stren,
4775 basetime, increment, (int) gameInfo.variant);
4777 if(gameInfo.variant == VariantNormal)
4778 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4779 gameInfo.white, white_stren, gameInfo.black, black_stren,
4780 basetime, increment);
4782 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4783 gameInfo.white, white_stren, gameInfo.black, black_stren,
4784 basetime, increment, VariantName(gameInfo.variant));
4787 if (appData.debugMode) {
4788 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4793 /* Display the board */
4794 if (!pausing && !appData.noGUI) {
4796 if (appData.premove)
4798 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4799 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4800 ClearPremoveHighlights();
4802 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4803 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4804 DrawPosition(j, boards[currentMove]);
4806 DisplayMove(moveNum - 1);
4807 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4808 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4809 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4810 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4814 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4816 if(bookHit) { // [HGM] book: simulate book reply
4817 static char bookMove[MSG_SIZ]; // a bit generous?
4819 programStats.nodes = programStats.depth = programStats.time =
4820 programStats.score = programStats.got_only_move = 0;
4821 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4823 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4824 strcat(bookMove, bookHit);
4825 HandleMachineMove(bookMove, &first);
4834 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4835 ics_getting_history = H_REQUESTED;
4836 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4842 AnalysisPeriodicEvent(force)
4845 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4846 && !force) || !appData.periodicUpdates)
4849 /* Send . command to Crafty to collect stats */
4850 SendToProgram(".\n", &first);
4852 /* Don't send another until we get a response (this makes
4853 us stop sending to old Crafty's which don't understand
4854 the "." command (sending illegal cmds resets node count & time,
4855 which looks bad)) */
4856 programStats.ok_to_send = 0;
4859 void ics_update_width(new_width)
4862 ics_printf("set width %d\n", new_width);
4866 SendMoveToProgram(moveNum, cps)
4868 ChessProgramState *cps;
4872 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4873 // null move in variant where engine does not understand it (for analysis purposes)
4874 SendBoard(cps, moveNum + 1); // send position after move in stead.
4877 if (cps->useUsermove) {
4878 SendToProgram("usermove ", cps);
4882 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4883 int len = space - parseList[moveNum];
4884 memcpy(buf, parseList[moveNum], len);
4886 buf[len] = NULLCHAR;
4888 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4890 SendToProgram(buf, cps);
4892 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4893 AlphaRank(moveList[moveNum], 4);
4894 SendToProgram(moveList[moveNum], cps);
4895 AlphaRank(moveList[moveNum], 4); // and back
4897 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4898 * the engine. It would be nice to have a better way to identify castle
4900 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4901 && cps->useOOCastle) {
4902 int fromX = moveList[moveNum][0] - AAA;
4903 int fromY = moveList[moveNum][1] - ONE;
4904 int toX = moveList[moveNum][2] - AAA;
4905 int toY = moveList[moveNum][3] - ONE;
4906 if((boards[moveNum][fromY][fromX] == WhiteKing
4907 && boards[moveNum][toY][toX] == WhiteRook)
4908 || (boards[moveNum][fromY][fromX] == BlackKing
4909 && boards[moveNum][toY][toX] == BlackRook)) {
4910 if(toX > fromX) SendToProgram("O-O\n", cps);
4911 else SendToProgram("O-O-O\n", cps);
4913 else SendToProgram(moveList[moveNum], cps);
4915 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4916 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4917 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4918 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4919 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4921 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4922 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4923 SendToProgram(buf, cps);
4925 else SendToProgram(moveList[moveNum], cps);
4926 /* End of additions by Tord */
4929 /* [HGM] setting up the opening has brought engine in force mode! */
4930 /* Send 'go' if we are in a mode where machine should play. */
4931 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4932 (gameMode == TwoMachinesPlay ||
4934 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4936 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4937 SendToProgram("go\n", cps);
4938 if (appData.debugMode) {
4939 fprintf(debugFP, "(extra)\n");
4942 setboardSpoiledMachineBlack = 0;
4946 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4948 int fromX, fromY, toX, toY;
4951 char user_move[MSG_SIZ];
4955 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4956 (int)moveType, fromX, fromY, toX, toY);
4957 DisplayError(user_move + strlen("say "), 0);
4959 case WhiteKingSideCastle:
4960 case BlackKingSideCastle:
4961 case WhiteQueenSideCastleWild:
4962 case BlackQueenSideCastleWild:
4964 case WhiteHSideCastleFR:
4965 case BlackHSideCastleFR:
4967 snprintf(user_move, MSG_SIZ, "o-o\n");
4969 case WhiteQueenSideCastle:
4970 case BlackQueenSideCastle:
4971 case WhiteKingSideCastleWild:
4972 case BlackKingSideCastleWild:
4974 case WhiteASideCastleFR:
4975 case BlackASideCastleFR:
4977 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4979 case WhiteNonPromotion:
4980 case BlackNonPromotion:
4981 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4983 case WhitePromotion:
4984 case BlackPromotion:
4985 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4986 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4987 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4988 PieceToChar(WhiteFerz));
4989 else if(gameInfo.variant == VariantGreat)
4990 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4991 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4992 PieceToChar(WhiteMan));
4994 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4995 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5001 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5002 ToUpper(PieceToChar((ChessSquare) fromX)),
5003 AAA + toX, ONE + toY);
5005 case IllegalMove: /* could be a variant we don't quite understand */
5006 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5008 case WhiteCapturesEnPassant:
5009 case BlackCapturesEnPassant:
5010 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5011 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5014 SendToICS(user_move);
5015 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5016 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5021 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5022 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5023 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5024 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5025 DisplayError("You cannot do this while you are playing or observing", 0);
5028 if(gameMode != IcsExamining) { // is this ever not the case?
5029 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5031 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5032 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5033 } else { // on FICS we must first go to general examine mode
5034 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5036 if(gameInfo.variant != VariantNormal) {
5037 // try figure out wild number, as xboard names are not always valid on ICS
5038 for(i=1; i<=36; i++) {
5039 snprintf(buf, MSG_SIZ, "wild/%d", i);
5040 if(StringToVariant(buf) == gameInfo.variant) break;
5042 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5043 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5044 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5045 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5046 SendToICS(ics_prefix);
5048 if(startedFromSetupPosition || backwardMostMove != 0) {
5049 fen = PositionToFEN(backwardMostMove, NULL);
5050 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5051 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5053 } else { // FICS: everything has to set by separate bsetup commands
5054 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5055 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5057 if(!WhiteOnMove(backwardMostMove)) {
5058 SendToICS("bsetup tomove black\n");
5060 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5061 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5063 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5064 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5066 i = boards[backwardMostMove][EP_STATUS];
5067 if(i >= 0) { // set e.p.
5068 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5074 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5075 SendToICS("bsetup done\n"); // switch to normal examining.
5077 for(i = backwardMostMove; i<last; i++) {
5079 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5082 SendToICS(ics_prefix);
5083 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5087 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5092 if (rf == DROP_RANK) {
5093 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5094 sprintf(move, "%c@%c%c\n",
5095 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5097 if (promoChar == 'x' || promoChar == NULLCHAR) {
5098 sprintf(move, "%c%c%c%c\n",
5099 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5101 sprintf(move, "%c%c%c%c%c\n",
5102 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5108 ProcessICSInitScript(f)
5113 while (fgets(buf, MSG_SIZ, f)) {
5114 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5121 static int lastX, lastY, selectFlag, dragging;
5126 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5127 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5128 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5129 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5130 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5131 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5134 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5135 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5136 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5137 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5139 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5140 appData.testLegality && (promoSweep == king ||
5141 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5142 ChangeDragPiece(promoSweep);
5145 int PromoScroll(int x, int y)
5149 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5150 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5151 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5152 if(!step) return FALSE;
5153 lastX = x; lastY = y;
5154 if((promoSweep < BlackPawn) == flipView) step = -step;
5155 if(step > 0) selectFlag = 1;
5156 if(!selectFlag) Sweep(step);
5163 ChessSquare piece = boards[currentMove][toY][toX];
5166 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5167 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5168 if(!step) step = -1;
5169 } while(PieceToChar(pieceSweep) == '.');
5170 boards[currentMove][toY][toX] = pieceSweep;
5171 DrawPosition(FALSE, boards[currentMove]);
5172 boards[currentMove][toY][toX] = piece;
5174 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5176 AlphaRank(char *move, int n)
5178 // char *p = move, c; int x, y;
5180 if (appData.debugMode) {
5181 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5185 move[2]>='0' && move[2]<='9' &&
5186 move[3]>='a' && move[3]<='x' ) {
5188 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5189 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5191 if(move[0]>='0' && move[0]<='9' &&
5192 move[1]>='a' && move[1]<='x' &&
5193 move[2]>='0' && move[2]<='9' &&
5194 move[3]>='a' && move[3]<='x' ) {
5195 /* input move, Shogi -> normal */
5196 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5197 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5198 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5199 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5202 move[3]>='0' && move[3]<='9' &&
5203 move[2]>='a' && move[2]<='x' ) {
5205 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5206 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5209 move[0]>='a' && move[0]<='x' &&
5210 move[3]>='0' && move[3]<='9' &&
5211 move[2]>='a' && move[2]<='x' ) {
5212 /* output move, normal -> Shogi */
5213 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5214 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5215 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5216 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5217 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5219 if (appData.debugMode) {
5220 fprintf(debugFP, " out = '%s'\n", move);
5224 char yy_textstr[8000];
5226 /* Parser for moves from gnuchess, ICS, or user typein box */
5228 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5231 ChessMove *moveType;
5232 int *fromX, *fromY, *toX, *toY;
5235 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5237 switch (*moveType) {
5238 case WhitePromotion:
5239 case BlackPromotion:
5240 case WhiteNonPromotion:
5241 case BlackNonPromotion:
5243 case WhiteCapturesEnPassant:
5244 case BlackCapturesEnPassant:
5245 case WhiteKingSideCastle:
5246 case WhiteQueenSideCastle:
5247 case BlackKingSideCastle:
5248 case BlackQueenSideCastle:
5249 case WhiteKingSideCastleWild:
5250 case WhiteQueenSideCastleWild:
5251 case BlackKingSideCastleWild:
5252 case BlackQueenSideCastleWild:
5253 /* Code added by Tord: */
5254 case WhiteHSideCastleFR:
5255 case WhiteASideCastleFR:
5256 case BlackHSideCastleFR:
5257 case BlackASideCastleFR:
5258 /* End of code added by Tord */
5259 case IllegalMove: /* bug or odd chess variant */
5260 *fromX = currentMoveString[0] - AAA;
5261 *fromY = currentMoveString[1] - ONE;
5262 *toX = currentMoveString[2] - AAA;
5263 *toY = currentMoveString[3] - ONE;
5264 *promoChar = currentMoveString[4];
5265 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5266 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5267 if (appData.debugMode) {
5268 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5270 *fromX = *fromY = *toX = *toY = 0;
5273 if (appData.testLegality) {
5274 return (*moveType != IllegalMove);
5276 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5277 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5282 *fromX = *moveType == WhiteDrop ?
5283 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5284 (int) CharToPiece(ToLower(currentMoveString[0]));
5286 *toX = currentMoveString[2] - AAA;
5287 *toY = currentMoveString[3] - ONE;
5288 *promoChar = NULLCHAR;
5292 case ImpossibleMove:
5302 if (appData.debugMode) {
5303 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5306 *fromX = *fromY = *toX = *toY = 0;
5307 *promoChar = NULLCHAR;
5312 Boolean pushed = FALSE;
5313 char *lastParseAttempt;
5316 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5317 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5318 int fromX, fromY, toX, toY; char promoChar;
5323 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5324 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5327 endPV = forwardMostMove;
5329 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5330 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5331 lastParseAttempt = pv;
5332 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5333 if(appData.debugMode){
5334 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5336 if(!valid && nr == 0 &&
5337 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5338 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5339 // Hande case where played move is different from leading PV move
5340 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5341 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5342 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5343 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5344 endPV += 2; // if position different, keep this
5345 moveList[endPV-1][0] = fromX + AAA;
5346 moveList[endPV-1][1] = fromY + ONE;
5347 moveList[endPV-1][2] = toX + AAA;
5348 moveList[endPV-1][3] = toY + ONE;
5349 parseList[endPV-1][0] = NULLCHAR;
5350 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5353 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5354 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5355 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5356 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5357 valid++; // allow comments in PV
5361 if(endPV+1 > framePtr) break; // no space, truncate
5364 CopyBoard(boards[endPV], boards[endPV-1]);
5365 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5366 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5367 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5368 CoordsToAlgebraic(boards[endPV - 1],
5369 PosFlags(endPV - 1),
5370 fromY, fromX, toY, toX, promoChar,
5371 parseList[endPV - 1]);
5373 if(atEnd == 2) return; // used hidden, for PV conversion
5374 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5375 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5376 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5377 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5378 DrawPosition(TRUE, boards[currentMove]);
5382 MultiPV(ChessProgramState *cps)
5383 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5385 for(i=0; i<cps->nrOptions; i++)
5386 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5392 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5394 int startPV, multi, lineStart, origIndex = index;
5395 char *p, buf2[MSG_SIZ];
5397 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5398 lastX = x; lastY = y;
5399 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5400 lineStart = startPV = index;
5401 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5402 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5404 do{ while(buf[index] && buf[index] != '\n') index++;
5405 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5407 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5408 int n = first.option[multi].value;
5409 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5410 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5411 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5412 first.option[multi].value = n;
5416 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5417 *start = startPV; *end = index-1;
5424 static char buf[10*MSG_SIZ];
5425 int i, k=0, savedEnd=endPV;
5427 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5428 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5429 for(i = forwardMostMove; i<endPV; i++){
5430 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5431 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5434 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5435 if(forwardMostMove < savedEnd) PopInner(0);
5441 LoadPV(int x, int y)
5442 { // called on right mouse click to load PV
5443 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5444 lastX = x; lastY = y;
5445 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5452 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5453 if(endPV < 0) return;
5455 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5456 Boolean saveAnimate = appData.animate;
5458 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5459 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5460 } else storedGames--; // abandon shelved tail of original game
5463 forwardMostMove = currentMove;
5464 currentMove = oldFMM;
5465 appData.animate = FALSE;
5466 ToNrEvent(forwardMostMove);
5467 appData.animate = saveAnimate;
5469 currentMove = forwardMostMove;
5470 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5471 ClearPremoveHighlights();
5472 DrawPosition(TRUE, boards[currentMove]);
5476 MovePV(int x, int y, int h)
5477 { // step through PV based on mouse coordinates (called on mouse move)
5478 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5480 // we must somehow check if right button is still down (might be released off board!)
5481 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5482 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5483 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5485 lastX = x; lastY = y;
5487 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5488 if(endPV < 0) return;
5489 if(y < margin) step = 1; else
5490 if(y > h - margin) step = -1;
5491 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5492 currentMove += step;
5493 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5494 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5495 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5496 DrawPosition(FALSE, boards[currentMove]);
5500 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5501 // All positions will have equal probability, but the current method will not provide a unique
5502 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5508 int piecesLeft[(int)BlackPawn];
5509 int seed, nrOfShuffles;
5511 void GetPositionNumber()
5512 { // sets global variable seed
5515 seed = appData.defaultFrcPosition;
5516 if(seed < 0) { // randomize based on time for negative FRC position numbers
5517 for(i=0; i<50; i++) seed += random();
5518 seed = random() ^ random() >> 8 ^ random() << 8;
5519 if(seed<0) seed = -seed;
5523 int put(Board board, int pieceType, int rank, int n, int shade)
5524 // put the piece on the (n-1)-th empty squares of the given shade
5528 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5529 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5530 board[rank][i] = (ChessSquare) pieceType;
5531 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5533 piecesLeft[pieceType]--;
5541 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5542 // calculate where the next piece goes, (any empty square), and put it there
5546 i = seed % squaresLeft[shade];
5547 nrOfShuffles *= squaresLeft[shade];
5548 seed /= squaresLeft[shade];
5549 put(board, pieceType, rank, i, shade);
5552 void AddTwoPieces(Board board, int pieceType, int rank)
5553 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5555 int i, n=squaresLeft[ANY], j=n-1, k;
5557 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5558 i = seed % k; // pick one
5561 while(i >= j) i -= j--;
5562 j = n - 1 - j; i += j;
5563 put(board, pieceType, rank, j, ANY);
5564 put(board, pieceType, rank, i, ANY);
5567 void SetUpShuffle(Board board, int number)
5571 GetPositionNumber(); nrOfShuffles = 1;
5573 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5574 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5575 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5577 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5579 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5580 p = (int) board[0][i];
5581 if(p < (int) BlackPawn) piecesLeft[p] ++;
5582 board[0][i] = EmptySquare;
5585 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5586 // shuffles restricted to allow normal castling put KRR first
5587 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5588 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5589 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5590 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5591 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5592 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5593 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5594 put(board, WhiteRook, 0, 0, ANY);
5595 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5598 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5599 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5600 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5601 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5602 while(piecesLeft[p] >= 2) {
5603 AddOnePiece(board, p, 0, LITE);
5604 AddOnePiece(board, p, 0, DARK);
5606 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5609 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5610 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5611 // but we leave King and Rooks for last, to possibly obey FRC restriction
5612 if(p == (int)WhiteRook) continue;
5613 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5614 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5617 // now everything is placed, except perhaps King (Unicorn) and Rooks
5619 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5620 // Last King gets castling rights
5621 while(piecesLeft[(int)WhiteUnicorn]) {
5622 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5623 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5626 while(piecesLeft[(int)WhiteKing]) {
5627 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5628 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5633 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5634 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5637 // Only Rooks can be left; simply place them all
5638 while(piecesLeft[(int)WhiteRook]) {
5639 i = put(board, WhiteRook, 0, 0, ANY);
5640 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5643 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5645 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5648 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5649 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5652 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5655 int SetCharTable( char *table, const char * map )
5656 /* [HGM] moved here from winboard.c because of its general usefulness */
5657 /* Basically a safe strcpy that uses the last character as King */
5659 int result = FALSE; int NrPieces;
5661 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5662 && NrPieces >= 12 && !(NrPieces&1)) {
5663 int i; /* [HGM] Accept even length from 12 to 34 */
5665 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5666 for( i=0; i<NrPieces/2-1; i++ ) {
5668 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5670 table[(int) WhiteKing] = map[NrPieces/2-1];
5671 table[(int) BlackKing] = map[NrPieces-1];
5679 void Prelude(Board board)
5680 { // [HGM] superchess: random selection of exo-pieces
5681 int i, j, k; ChessSquare p;
5682 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5684 GetPositionNumber(); // use FRC position number
5686 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5687 SetCharTable(pieceToChar, appData.pieceToCharTable);
5688 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5689 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5692 j = seed%4; seed /= 4;
5693 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5694 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5695 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5696 j = seed%3 + (seed%3 >= j); seed /= 3;
5697 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5698 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5699 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5700 j = seed%3; seed /= 3;
5701 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5702 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5703 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5704 j = seed%2 + (seed%2 >= j); seed /= 2;
5705 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5706 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5707 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5708 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5709 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5710 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5711 put(board, exoPieces[0], 0, 0, ANY);
5712 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5716 InitPosition(redraw)
5719 ChessSquare (* pieces)[BOARD_FILES];
5720 int i, j, pawnRow, overrule,
5721 oldx = gameInfo.boardWidth,
5722 oldy = gameInfo.boardHeight,
5723 oldh = gameInfo.holdingsWidth;
5726 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5728 /* [AS] Initialize pv info list [HGM] and game status */
5730 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5731 pvInfoList[i].depth = 0;
5732 boards[i][EP_STATUS] = EP_NONE;
5733 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5736 initialRulePlies = 0; /* 50-move counter start */
5738 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5739 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5743 /* [HGM] logic here is completely changed. In stead of full positions */
5744 /* the initialized data only consist of the two backranks. The switch */
5745 /* selects which one we will use, which is than copied to the Board */
5746 /* initialPosition, which for the rest is initialized by Pawns and */
5747 /* empty squares. This initial position is then copied to boards[0], */
5748 /* possibly after shuffling, so that it remains available. */
5750 gameInfo.holdingsWidth = 0; /* default board sizes */
5751 gameInfo.boardWidth = 8;
5752 gameInfo.boardHeight = 8;
5753 gameInfo.holdingsSize = 0;
5754 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5755 for(i=0; i<BOARD_FILES-2; i++)
5756 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5757 initialPosition[EP_STATUS] = EP_NONE;
5758 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5759 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5760 SetCharTable(pieceNickName, appData.pieceNickNames);
5761 else SetCharTable(pieceNickName, "............");
5764 switch (gameInfo.variant) {
5765 case VariantFischeRandom:
5766 shuffleOpenings = TRUE;
5769 case VariantShatranj:
5770 pieces = ShatranjArray;
5771 nrCastlingRights = 0;
5772 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5775 pieces = makrukArray;
5776 nrCastlingRights = 0;
5777 startedFromSetupPosition = TRUE;
5778 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5780 case VariantTwoKings:
5781 pieces = twoKingsArray;
5784 pieces = GrandArray;
5785 nrCastlingRights = 0;
5786 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5787 gameInfo.boardWidth = 10;
5788 gameInfo.boardHeight = 10;
5789 gameInfo.holdingsSize = 7;
5791 case VariantCapaRandom:
5792 shuffleOpenings = TRUE;
5793 case VariantCapablanca:
5794 pieces = CapablancaArray;
5795 gameInfo.boardWidth = 10;
5796 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5799 pieces = GothicArray;
5800 gameInfo.boardWidth = 10;
5801 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5804 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5805 gameInfo.holdingsSize = 7;
5808 pieces = JanusArray;
5809 gameInfo.boardWidth = 10;
5810 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5811 nrCastlingRights = 6;
5812 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5813 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5814 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5815 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5816 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5817 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5820 pieces = FalconArray;
5821 gameInfo.boardWidth = 10;
5822 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5824 case VariantXiangqi:
5825 pieces = XiangqiArray;
5826 gameInfo.boardWidth = 9;
5827 gameInfo.boardHeight = 10;
5828 nrCastlingRights = 0;
5829 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5832 pieces = ShogiArray;
5833 gameInfo.boardWidth = 9;
5834 gameInfo.boardHeight = 9;
5835 gameInfo.holdingsSize = 7;
5836 nrCastlingRights = 0;
5837 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5839 case VariantCourier:
5840 pieces = CourierArray;
5841 gameInfo.boardWidth = 12;
5842 nrCastlingRights = 0;
5843 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5845 case VariantKnightmate:
5846 pieces = KnightmateArray;
5847 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5849 case VariantSpartan:
5850 pieces = SpartanArray;
5851 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5854 pieces = fairyArray;
5855 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5858 pieces = GreatArray;
5859 gameInfo.boardWidth = 10;
5860 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5861 gameInfo.holdingsSize = 8;
5865 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5866 gameInfo.holdingsSize = 8;
5867 startedFromSetupPosition = TRUE;
5869 case VariantCrazyhouse:
5870 case VariantBughouse:
5872 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5873 gameInfo.holdingsSize = 5;
5875 case VariantWildCastle:
5877 /* !!?shuffle with kings guaranteed to be on d or e file */
5878 shuffleOpenings = 1;
5880 case VariantNoCastle:
5882 nrCastlingRights = 0;
5883 /* !!?unconstrained back-rank shuffle */
5884 shuffleOpenings = 1;
5889 if(appData.NrFiles >= 0) {
5890 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5891 gameInfo.boardWidth = appData.NrFiles;
5893 if(appData.NrRanks >= 0) {
5894 gameInfo.boardHeight = appData.NrRanks;
5896 if(appData.holdingsSize >= 0) {
5897 i = appData.holdingsSize;
5898 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5899 gameInfo.holdingsSize = i;
5901 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5902 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5903 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5905 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5906 if(pawnRow < 1) pawnRow = 1;
5907 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5909 /* User pieceToChar list overrules defaults */
5910 if(appData.pieceToCharTable != NULL)
5911 SetCharTable(pieceToChar, appData.pieceToCharTable);
5913 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5915 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5916 s = (ChessSquare) 0; /* account holding counts in guard band */
5917 for( i=0; i<BOARD_HEIGHT; i++ )
5918 initialPosition[i][j] = s;
5920 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5921 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5922 initialPosition[pawnRow][j] = WhitePawn;
5923 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5924 if(gameInfo.variant == VariantXiangqi) {
5926 initialPosition[pawnRow][j] =
5927 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5928 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5929 initialPosition[2][j] = WhiteCannon;
5930 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5934 if(gameInfo.variant == VariantGrand) {
5935 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5936 initialPosition[0][j] = WhiteRook;
5937 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5940 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5942 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5945 initialPosition[1][j] = WhiteBishop;
5946 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5948 initialPosition[1][j] = WhiteRook;
5949 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5952 if( nrCastlingRights == -1) {
5953 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5954 /* This sets default castling rights from none to normal corners */
5955 /* Variants with other castling rights must set them themselves above */
5956 nrCastlingRights = 6;
5958 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5959 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5960 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5961 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5962 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5963 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5966 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5967 if(gameInfo.variant == VariantGreat) { // promotion commoners
5968 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5969 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5970 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5971 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5973 if( gameInfo.variant == VariantSChess ) {
5974 initialPosition[1][0] = BlackMarshall;
5975 initialPosition[2][0] = BlackAngel;
5976 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5977 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5978 initialPosition[1][1] = initialPosition[2][1] =
5979 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5981 if (appData.debugMode) {
5982 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5984 if(shuffleOpenings) {
5985 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5986 startedFromSetupPosition = TRUE;
5988 if(startedFromPositionFile) {
5989 /* [HGM] loadPos: use PositionFile for every new game */
5990 CopyBoard(initialPosition, filePosition);
5991 for(i=0; i<nrCastlingRights; i++)
5992 initialRights[i] = filePosition[CASTLING][i];
5993 startedFromSetupPosition = TRUE;
5996 CopyBoard(boards[0], initialPosition);
5998 if(oldx != gameInfo.boardWidth ||
5999 oldy != gameInfo.boardHeight ||
6000 oldv != gameInfo.variant ||
6001 oldh != gameInfo.holdingsWidth
6003 InitDrawingSizes(-2 ,0);
6005 oldv = gameInfo.variant;
6007 DrawPosition(TRUE, boards[currentMove]);
6011 SendBoard(cps, moveNum)
6012 ChessProgramState *cps;
6015 char message[MSG_SIZ];
6017 if (cps->useSetboard) {
6018 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6019 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6020 SendToProgram(message, cps);
6026 /* Kludge to set black to move, avoiding the troublesome and now
6027 * deprecated "black" command.
6029 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6030 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6032 SendToProgram("edit\n", cps);
6033 SendToProgram("#\n", cps);
6034 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6035 bp = &boards[moveNum][i][BOARD_LEFT];
6036 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6037 if ((int) *bp < (int) BlackPawn) {
6038 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6040 if(message[0] == '+' || message[0] == '~') {
6041 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6042 PieceToChar((ChessSquare)(DEMOTED *bp)),
6045 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6046 message[1] = BOARD_RGHT - 1 - j + '1';
6047 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6049 SendToProgram(message, cps);
6054 SendToProgram("c\n", cps);
6055 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6056 bp = &boards[moveNum][i][BOARD_LEFT];
6057 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6058 if (((int) *bp != (int) EmptySquare)
6059 && ((int) *bp >= (int) BlackPawn)) {
6060 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6062 if(message[0] == '+' || message[0] == '~') {
6063 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6064 PieceToChar((ChessSquare)(DEMOTED *bp)),
6067 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6068 message[1] = BOARD_RGHT - 1 - j + '1';
6069 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6071 SendToProgram(message, cps);
6076 SendToProgram(".\n", cps);
6078 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6082 DefaultPromoChoice(int white)
6085 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6086 result = WhiteFerz; // no choice
6087 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6088 result= WhiteKing; // in Suicide Q is the last thing we want
6089 else if(gameInfo.variant == VariantSpartan)
6090 result = white ? WhiteQueen : WhiteAngel;
6091 else result = WhiteQueen;
6092 if(!white) result = WHITE_TO_BLACK result;
6096 static int autoQueen; // [HGM] oneclick
6099 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6101 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6102 /* [HGM] add Shogi promotions */
6103 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6108 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6109 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6111 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6112 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6115 piece = boards[currentMove][fromY][fromX];
6116 if(gameInfo.variant == VariantShogi) {
6117 promotionZoneSize = BOARD_HEIGHT/3;
6118 highestPromotingPiece = (int)WhiteFerz;
6119 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6120 promotionZoneSize = 3;
6123 // Treat Lance as Pawn when it is not representing Amazon
6124 if(gameInfo.variant != VariantSuper) {
6125 if(piece == WhiteLance) piece = WhitePawn; else
6126 if(piece == BlackLance) piece = BlackPawn;
6129 // next weed out all moves that do not touch the promotion zone at all
6130 if((int)piece >= BlackPawn) {
6131 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6133 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6135 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6136 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6139 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6141 // weed out mandatory Shogi promotions
6142 if(gameInfo.variant == VariantShogi) {
6143 if(piece >= BlackPawn) {
6144 if(toY == 0 && piece == BlackPawn ||
6145 toY == 0 && piece == BlackQueen ||
6146 toY <= 1 && piece == BlackKnight) {
6151 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6152 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6153 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6160 // weed out obviously illegal Pawn moves
6161 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6162 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6163 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6164 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6165 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6166 // note we are not allowed to test for valid (non-)capture, due to premove
6169 // we either have a choice what to promote to, or (in Shogi) whether to promote
6170 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6171 *promoChoice = PieceToChar(BlackFerz); // no choice
6174 // no sense asking what we must promote to if it is going to explode...
6175 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6176 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6179 // give caller the default choice even if we will not make it
6180 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6181 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6182 if( sweepSelect && gameInfo.variant != VariantGreat
6183 && gameInfo.variant != VariantGrand
6184 && gameInfo.variant != VariantSuper) return FALSE;
6185 if(autoQueen) return FALSE; // predetermined
6187 // suppress promotion popup on illegal moves that are not premoves
6188 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6189 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6190 if(appData.testLegality && !premove) {
6191 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6192 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6193 if(moveType != WhitePromotion && moveType != BlackPromotion)
6201 InPalace(row, column)
6203 { /* [HGM] for Xiangqi */
6204 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6205 column < (BOARD_WIDTH + 4)/2 &&
6206 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6211 PieceForSquare (x, y)
6215 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6218 return boards[currentMove][y][x];
6222 OKToStartUserMove(x, y)
6225 ChessSquare from_piece;
6228 if (matchMode) return FALSE;
6229 if (gameMode == EditPosition) return TRUE;
6231 if (x >= 0 && y >= 0)
6232 from_piece = boards[currentMove][y][x];
6234 from_piece = EmptySquare;
6236 if (from_piece == EmptySquare) return FALSE;
6238 white_piece = (int)from_piece >= (int)WhitePawn &&
6239 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6243 case TwoMachinesPlay:
6251 case MachinePlaysWhite:
6252 case IcsPlayingBlack:
6253 if (appData.zippyPlay) return FALSE;
6255 DisplayMoveError(_("You are playing Black"));
6260 case MachinePlaysBlack:
6261 case IcsPlayingWhite:
6262 if (appData.zippyPlay) return FALSE;
6264 DisplayMoveError(_("You are playing White"));
6269 case PlayFromGameFile:
6270 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6272 if (!white_piece && WhiteOnMove(currentMove)) {
6273 DisplayMoveError(_("It is White's turn"));
6276 if (white_piece && !WhiteOnMove(currentMove)) {
6277 DisplayMoveError(_("It is Black's turn"));
6280 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6281 /* Editing correspondence game history */
6282 /* Could disallow this or prompt for confirmation */
6287 case BeginningOfGame:
6288 if (appData.icsActive) return FALSE;
6289 if (!appData.noChessProgram) {
6291 DisplayMoveError(_("You are playing White"));
6298 if (!white_piece && WhiteOnMove(currentMove)) {
6299 DisplayMoveError(_("It is White's turn"));
6302 if (white_piece && !WhiteOnMove(currentMove)) {
6303 DisplayMoveError(_("It is Black's turn"));
6312 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6313 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6314 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6315 && gameMode != AnalyzeFile && gameMode != Training) {
6316 DisplayMoveError(_("Displayed position is not current"));
6323 OnlyMove(int *x, int *y, Boolean captures) {
6324 DisambiguateClosure cl;
6325 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6327 case MachinePlaysBlack:
6328 case IcsPlayingWhite:
6329 case BeginningOfGame:
6330 if(!WhiteOnMove(currentMove)) return FALSE;
6332 case MachinePlaysWhite:
6333 case IcsPlayingBlack:
6334 if(WhiteOnMove(currentMove)) return FALSE;
6341 cl.pieceIn = EmptySquare;
6346 cl.promoCharIn = NULLCHAR;
6347 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6348 if( cl.kind == NormalMove ||
6349 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6350 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6351 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6358 if(cl.kind != ImpossibleMove) return FALSE;
6359 cl.pieceIn = EmptySquare;
6364 cl.promoCharIn = NULLCHAR;
6365 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6366 if( cl.kind == NormalMove ||
6367 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6368 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6369 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6374 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6380 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6381 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6382 int lastLoadGameUseList = FALSE;
6383 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6384 ChessMove lastLoadGameStart = EndOfFile;
6387 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6388 int fromX, fromY, toX, toY;
6392 ChessSquare pdown, pup;
6394 /* Check if the user is playing in turn. This is complicated because we
6395 let the user "pick up" a piece before it is his turn. So the piece he
6396 tried to pick up may have been captured by the time he puts it down!
6397 Therefore we use the color the user is supposed to be playing in this
6398 test, not the color of the piece that is currently on the starting
6399 square---except in EditGame mode, where the user is playing both
6400 sides; fortunately there the capture race can't happen. (It can
6401 now happen in IcsExamining mode, but that's just too bad. The user
6402 will get a somewhat confusing message in that case.)
6407 case TwoMachinesPlay:
6411 /* We switched into a game mode where moves are not accepted,
6412 perhaps while the mouse button was down. */
6415 case MachinePlaysWhite:
6416 /* User is moving for Black */
6417 if (WhiteOnMove(currentMove)) {
6418 DisplayMoveError(_("It is White's turn"));
6423 case MachinePlaysBlack:
6424 /* User is moving for White */
6425 if (!WhiteOnMove(currentMove)) {
6426 DisplayMoveError(_("It is Black's turn"));
6431 case PlayFromGameFile:
6432 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6435 case BeginningOfGame:
6438 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6439 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6440 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6441 /* User is moving for Black */
6442 if (WhiteOnMove(currentMove)) {
6443 DisplayMoveError(_("It is White's turn"));
6447 /* User is moving for White */
6448 if (!WhiteOnMove(currentMove)) {
6449 DisplayMoveError(_("It is Black's turn"));
6455 case IcsPlayingBlack:
6456 /* User is moving for Black */
6457 if (WhiteOnMove(currentMove)) {
6458 if (!appData.premove) {
6459 DisplayMoveError(_("It is White's turn"));
6460 } else if (toX >= 0 && toY >= 0) {
6463 premoveFromX = fromX;
6464 premoveFromY = fromY;
6465 premovePromoChar = promoChar;
6467 if (appData.debugMode)
6468 fprintf(debugFP, "Got premove: fromX %d,"
6469 "fromY %d, toX %d, toY %d\n",
6470 fromX, fromY, toX, toY);
6476 case IcsPlayingWhite:
6477 /* User is moving for White */
6478 if (!WhiteOnMove(currentMove)) {
6479 if (!appData.premove) {
6480 DisplayMoveError(_("It is Black's turn"));
6481 } else if (toX >= 0 && toY >= 0) {
6484 premoveFromX = fromX;
6485 premoveFromY = fromY;
6486 premovePromoChar = promoChar;
6488 if (appData.debugMode)
6489 fprintf(debugFP, "Got premove: fromX %d,"
6490 "fromY %d, toX %d, toY %d\n",
6491 fromX, fromY, toX, toY);
6501 /* EditPosition, empty square, or different color piece;
6502 click-click move is possible */
6503 if (toX == -2 || toY == -2) {
6504 boards[0][fromY][fromX] = EmptySquare;
6505 DrawPosition(FALSE, boards[currentMove]);
6507 } else if (toX >= 0 && toY >= 0) {
6508 boards[0][toY][toX] = boards[0][fromY][fromX];
6509 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6510 if(boards[0][fromY][0] != EmptySquare) {
6511 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6512 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6515 if(fromX == BOARD_RGHT+1) {
6516 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6517 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6518 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6521 boards[0][fromY][fromX] = EmptySquare;
6522 DrawPosition(FALSE, boards[currentMove]);
6528 if(toX < 0 || toY < 0) return;
6529 pdown = boards[currentMove][fromY][fromX];
6530 pup = boards[currentMove][toY][toX];
6532 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6533 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6534 if( pup != EmptySquare ) return;
6535 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6536 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6537 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6538 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6539 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6540 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6541 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6545 /* [HGM] always test for legality, to get promotion info */
6546 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6547 fromY, fromX, toY, toX, promoChar);
6549 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6551 /* [HGM] but possibly ignore an IllegalMove result */
6552 if (appData.testLegality) {
6553 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6554 DisplayMoveError(_("Illegal move"));
6559 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6562 /* Common tail of UserMoveEvent and DropMenuEvent */
6564 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6566 int fromX, fromY, toX, toY;
6567 /*char*/int promoChar;
6571 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6572 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6573 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6574 if(WhiteOnMove(currentMove)) {
6575 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6577 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6581 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6582 move type in caller when we know the move is a legal promotion */
6583 if(moveType == NormalMove && promoChar)
6584 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6586 /* [HGM] <popupFix> The following if has been moved here from
6587 UserMoveEvent(). Because it seemed to belong here (why not allow
6588 piece drops in training games?), and because it can only be
6589 performed after it is known to what we promote. */
6590 if (gameMode == Training) {
6591 /* compare the move played on the board to the next move in the
6592 * game. If they match, display the move and the opponent's response.
6593 * If they don't match, display an error message.
6597 CopyBoard(testBoard, boards[currentMove]);
6598 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6600 if (CompareBoards(testBoard, boards[currentMove+1])) {
6601 ForwardInner(currentMove+1);
6603 /* Autoplay the opponent's response.
6604 * if appData.animate was TRUE when Training mode was entered,
6605 * the response will be animated.
6607 saveAnimate = appData.animate;
6608 appData.animate = animateTraining;
6609 ForwardInner(currentMove+1);
6610 appData.animate = saveAnimate;
6612 /* check for the end of the game */
6613 if (currentMove >= forwardMostMove) {
6614 gameMode = PlayFromGameFile;
6616 SetTrainingModeOff();
6617 DisplayInformation(_("End of game"));
6620 DisplayError(_("Incorrect move"), 0);
6625 /* Ok, now we know that the move is good, so we can kill
6626 the previous line in Analysis Mode */
6627 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6628 && currentMove < forwardMostMove) {
6629 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6630 else forwardMostMove = currentMove;
6633 /* If we need the chess program but it's dead, restart it */
6634 ResurrectChessProgram();
6636 /* A user move restarts a paused game*/
6640 thinkOutput[0] = NULLCHAR;
6642 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6644 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6645 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6649 if (gameMode == BeginningOfGame) {
6650 if (appData.noChessProgram) {
6651 gameMode = EditGame;
6655 gameMode = MachinePlaysBlack;
6658 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6660 if (first.sendName) {
6661 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6662 SendToProgram(buf, &first);
6669 /* Relay move to ICS or chess engine */
6670 if (appData.icsActive) {
6671 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6672 gameMode == IcsExamining) {
6673 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6674 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6676 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6678 // also send plain move, in case ICS does not understand atomic claims
6679 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6683 if (first.sendTime && (gameMode == BeginningOfGame ||
6684 gameMode == MachinePlaysWhite ||
6685 gameMode == MachinePlaysBlack)) {
6686 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6688 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6689 // [HGM] book: if program might be playing, let it use book
6690 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6691 first.maybeThinking = TRUE;
6692 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6693 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6694 SendBoard(&first, currentMove+1);
6695 } else SendMoveToProgram(forwardMostMove-1, &first);
6696 if (currentMove == cmailOldMove + 1) {
6697 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6701 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6705 if(appData.testLegality)
6706 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6712 if (WhiteOnMove(currentMove)) {
6713 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6715 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6719 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6724 case MachinePlaysBlack:
6725 case MachinePlaysWhite:
6726 /* disable certain menu options while machine is thinking */
6727 SetMachineThinkingEnables();
6734 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6735 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6737 if(bookHit) { // [HGM] book: simulate book reply
6738 static char bookMove[MSG_SIZ]; // a bit generous?
6740 programStats.nodes = programStats.depth = programStats.time =
6741 programStats.score = programStats.got_only_move = 0;
6742 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6744 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6745 strcat(bookMove, bookHit);
6746 HandleMachineMove(bookMove, &first);
6752 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6759 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6760 Markers *m = (Markers *) closure;
6761 if(rf == fromY && ff == fromX)
6762 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6763 || kind == WhiteCapturesEnPassant
6764 || kind == BlackCapturesEnPassant);
6765 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6769 MarkTargetSquares(int clear)
6772 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6773 !appData.testLegality || gameMode == EditPosition) return;
6775 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6778 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6779 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6780 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6782 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6785 DrawPosition(TRUE, NULL);
6789 Explode(Board board, int fromX, int fromY, int toX, int toY)
6791 if(gameInfo.variant == VariantAtomic &&
6792 (board[toY][toX] != EmptySquare || // capture?
6793 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6794 board[fromY][fromX] == BlackPawn )
6796 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6802 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6804 int CanPromote(ChessSquare piece, int y)
6806 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6807 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6808 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6809 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6810 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6811 gameInfo.variant == VariantMakruk) return FALSE;
6812 return (piece == BlackPawn && y == 1 ||
6813 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6814 piece == BlackLance && y == 1 ||
6815 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6818 void LeftClick(ClickType clickType, int xPix, int yPix)
6821 Boolean saveAnimate;
6822 static int second = 0, promotionChoice = 0, clearFlag = 0;
6823 char promoChoice = NULLCHAR;
6826 if(appData.seekGraph && appData.icsActive && loggedOn &&
6827 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6828 SeekGraphClick(clickType, xPix, yPix, 0);
6832 if (clickType == Press) ErrorPopDown();
6834 x = EventToSquare(xPix, BOARD_WIDTH);
6835 y = EventToSquare(yPix, BOARD_HEIGHT);
6836 if (!flipView && y >= 0) {
6837 y = BOARD_HEIGHT - 1 - y;
6839 if (flipView && x >= 0) {
6840 x = BOARD_WIDTH - 1 - x;
6843 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6844 defaultPromoChoice = promoSweep;
6845 promoSweep = EmptySquare; // terminate sweep
6846 promoDefaultAltered = TRUE;
6847 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6850 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6851 if(clickType == Release) return; // ignore upclick of click-click destination
6852 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6853 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6854 if(gameInfo.holdingsWidth &&
6855 (WhiteOnMove(currentMove)
6856 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6857 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6858 // click in right holdings, for determining promotion piece
6859 ChessSquare p = boards[currentMove][y][x];
6860 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6861 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6862 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6863 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6868 DrawPosition(FALSE, boards[currentMove]);
6872 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6873 if(clickType == Press
6874 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6875 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6876 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6879 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6880 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6882 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6883 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6884 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6885 defaultPromoChoice = DefaultPromoChoice(side);
6888 autoQueen = appData.alwaysPromoteToQueen;
6892 gatingPiece = EmptySquare;
6893 if (clickType != Press) {
6894 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6895 DragPieceEnd(xPix, yPix); dragging = 0;
6896 DrawPosition(FALSE, NULL);
6900 fromX = x; fromY = y; toX = toY = -1;
6901 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6902 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6903 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6905 if (OKToStartUserMove(fromX, fromY)) {
6907 MarkTargetSquares(0);
6908 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6909 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6910 promoSweep = defaultPromoChoice;
6911 selectFlag = 0; lastX = xPix; lastY = yPix;
6912 Sweep(0); // Pawn that is going to promote: preview promotion piece
6913 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6915 if (appData.highlightDragging) {
6916 SetHighlights(fromX, fromY, -1, -1);
6918 } else fromX = fromY = -1;
6924 if (clickType == Press && gameMode != EditPosition) {
6929 // ignore off-board to clicks
6930 if(y < 0 || x < 0) return;
6932 /* Check if clicking again on the same color piece */
6933 fromP = boards[currentMove][fromY][fromX];
6934 toP = boards[currentMove][y][x];
6935 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6936 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6937 WhitePawn <= toP && toP <= WhiteKing &&
6938 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6939 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6940 (BlackPawn <= fromP && fromP <= BlackKing &&
6941 BlackPawn <= toP && toP <= BlackKing &&
6942 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6943 !(fromP == BlackKing && toP == BlackRook && frc))) {
6944 /* Clicked again on same color piece -- changed his mind */
6945 second = (x == fromX && y == fromY);
6946 promoDefaultAltered = FALSE;
6947 MarkTargetSquares(1);
6948 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6949 if (appData.highlightDragging) {
6950 SetHighlights(x, y, -1, -1);
6954 if (OKToStartUserMove(x, y)) {
6955 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6956 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6957 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6958 gatingPiece = boards[currentMove][fromY][fromX];
6959 else gatingPiece = EmptySquare;
6961 fromY = y; dragging = 1;
6962 MarkTargetSquares(0);
6963 DragPieceBegin(xPix, yPix, FALSE);
6964 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6965 promoSweep = defaultPromoChoice;
6966 selectFlag = 0; lastX = xPix; lastY = yPix;
6967 Sweep(0); // Pawn that is going to promote: preview promotion piece
6971 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6974 // ignore clicks on holdings
6975 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6978 if (clickType == Release && x == fromX && y == fromY) {
6979 DragPieceEnd(xPix, yPix); dragging = 0;
6981 // a deferred attempt to click-click move an empty square on top of a piece
6982 boards[currentMove][y][x] = EmptySquare;
6984 DrawPosition(FALSE, boards[currentMove]);
6985 fromX = fromY = -1; clearFlag = 0;
6988 if (appData.animateDragging) {
6989 /* Undo animation damage if any */
6990 DrawPosition(FALSE, NULL);
6993 /* Second up/down in same square; just abort move */
6996 gatingPiece = EmptySquare;
6999 ClearPremoveHighlights();
7001 /* First upclick in same square; start click-click mode */
7002 SetHighlights(x, y, -1, -1);
7009 /* we now have a different from- and (possibly off-board) to-square */
7010 /* Completed move */
7013 saveAnimate = appData.animate;
7014 MarkTargetSquares(1);
7015 if (clickType == Press) {
7016 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7017 // must be Edit Position mode with empty-square selected
7018 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7019 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7022 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7023 ChessSquare piece = boards[currentMove][fromY][fromX];
7024 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7025 promoSweep = defaultPromoChoice;
7026 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7027 selectFlag = 0; lastX = xPix; lastY = yPix;
7028 Sweep(0); // Pawn that is going to promote: preview promotion piece
7029 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7030 DrawPosition(FALSE, boards[currentMove]);
7033 /* Finish clickclick move */
7034 if (appData.animate || appData.highlightLastMove) {
7035 SetHighlights(fromX, fromY, toX, toY);
7040 /* Finish drag move */
7041 if (appData.highlightLastMove) {
7042 SetHighlights(fromX, fromY, toX, toY);
7046 DragPieceEnd(xPix, yPix); dragging = 0;
7047 /* Don't animate move and drag both */
7048 appData.animate = FALSE;
7051 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7052 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7053 ChessSquare piece = boards[currentMove][fromY][fromX];
7054 if(gameMode == EditPosition && piece != EmptySquare &&
7055 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7058 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7059 n = PieceToNumber(piece - (int)BlackPawn);
7060 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7061 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7062 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7064 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7065 n = PieceToNumber(piece);
7066 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7067 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7068 boards[currentMove][n][BOARD_WIDTH-2]++;
7070 boards[currentMove][fromY][fromX] = EmptySquare;
7074 DrawPosition(TRUE, boards[currentMove]);
7078 // off-board moves should not be highlighted
7079 if(x < 0 || y < 0) ClearHighlights();
7081 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7083 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7084 SetHighlights(fromX, fromY, toX, toY);
7085 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7086 // [HGM] super: promotion to captured piece selected from holdings
7087 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7088 promotionChoice = TRUE;
7089 // kludge follows to temporarily execute move on display, without promoting yet
7090 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7091 boards[currentMove][toY][toX] = p;
7092 DrawPosition(FALSE, boards[currentMove]);
7093 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7094 boards[currentMove][toY][toX] = q;
7095 DisplayMessage("Click in holdings to choose piece", "");
7100 int oldMove = currentMove;
7101 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7102 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7103 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7104 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7105 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7106 DrawPosition(TRUE, boards[currentMove]);
7109 appData.animate = saveAnimate;
7110 if (appData.animate || appData.animateDragging) {
7111 /* Undo animation damage if needed */
7112 DrawPosition(FALSE, NULL);
7116 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7117 { // front-end-free part taken out of PieceMenuPopup
7118 int whichMenu; int xSqr, ySqr;
7120 if(seekGraphUp) { // [HGM] seekgraph
7121 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7122 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7126 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7127 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7128 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7129 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7130 if(action == Press) {
7131 originalFlip = flipView;
7132 flipView = !flipView; // temporarily flip board to see game from partners perspective
7133 DrawPosition(TRUE, partnerBoard);
7134 DisplayMessage(partnerStatus, "");
7136 } else if(action == Release) {
7137 flipView = originalFlip;
7138 DrawPosition(TRUE, boards[currentMove]);
7144 xSqr = EventToSquare(x, BOARD_WIDTH);
7145 ySqr = EventToSquare(y, BOARD_HEIGHT);
7146 if (action == Release) {
7147 if(pieceSweep != EmptySquare) {
7148 EditPositionMenuEvent(pieceSweep, toX, toY);
7149 pieceSweep = EmptySquare;
7150 } else UnLoadPV(); // [HGM] pv
7152 if (action != Press) return -2; // return code to be ignored
7155 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7157 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7158 if (xSqr < 0 || ySqr < 0) return -1;
7159 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7160 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7161 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7162 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7166 if(!appData.icsEngineAnalyze) return -1;
7167 case IcsPlayingWhite:
7168 case IcsPlayingBlack:
7169 if(!appData.zippyPlay) goto noZip;
7172 case MachinePlaysWhite:
7173 case MachinePlaysBlack:
7174 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7175 if (!appData.dropMenu) {
7177 return 2; // flag front-end to grab mouse events
7179 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7180 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7183 if (xSqr < 0 || ySqr < 0) return -1;
7184 if (!appData.dropMenu || appData.testLegality &&
7185 gameInfo.variant != VariantBughouse &&
7186 gameInfo.variant != VariantCrazyhouse) return -1;
7187 whichMenu = 1; // drop menu
7193 if (((*fromX = xSqr) < 0) ||
7194 ((*fromY = ySqr) < 0)) {
7195 *fromX = *fromY = -1;
7199 *fromX = BOARD_WIDTH - 1 - *fromX;
7201 *fromY = BOARD_HEIGHT - 1 - *fromY;
7206 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7208 // char * hint = lastHint;
7209 FrontEndProgramStats stats;
7211 stats.which = cps == &first ? 0 : 1;
7212 stats.depth = cpstats->depth;
7213 stats.nodes = cpstats->nodes;
7214 stats.score = cpstats->score;
7215 stats.time = cpstats->time;
7216 stats.pv = cpstats->movelist;
7217 stats.hint = lastHint;
7218 stats.an_move_index = 0;
7219 stats.an_move_count = 0;
7221 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7222 stats.hint = cpstats->move_name;
7223 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7224 stats.an_move_count = cpstats->nr_moves;
7227 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
7229 SetProgramStats( &stats );
7233 ClearEngineOutputPane(int which)
7235 static FrontEndProgramStats dummyStats;
7236 dummyStats.which = which;
7237 dummyStats.pv = "#";
7238 SetProgramStats( &dummyStats );
7241 #define MAXPLAYERS 500
7244 TourneyStandings(int display)
7246 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7247 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7248 char result, *p, *names[MAXPLAYERS];
7250 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7251 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7252 names[0] = p = strdup(appData.participants);
7253 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7255 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7257 while(result = appData.results[nr]) {
7258 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7259 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7260 wScore = bScore = 0;
7262 case '+': wScore = 2; break;
7263 case '-': bScore = 2; break;
7264 case '=': wScore = bScore = 1; break;
7266 case '*': return strdup("busy"); // tourney not finished
7274 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7275 for(w=0; w<nPlayers; w++) {
7277 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7278 ranking[w] = b; points[w] = bScore; score[b] = -2;
7280 p = malloc(nPlayers*34+1);
7281 for(w=0; w<nPlayers && w<display; w++)
7282 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7288 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7289 { // count all piece types
7291 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7292 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7293 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7296 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7297 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7298 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7299 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7300 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7301 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7306 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7308 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7309 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7311 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7312 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7313 if(myPawns == 2 && nMine == 3) // KPP
7314 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7315 if(myPawns == 1 && nMine == 2) // KP
7316 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7317 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7318 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7319 if(myPawns) return FALSE;
7320 if(pCnt[WhiteRook+side])
7321 return pCnt[BlackRook-side] ||
7322 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7323 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7324 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7325 if(pCnt[WhiteCannon+side]) {
7326 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7327 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7329 if(pCnt[WhiteKnight+side])
7330 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7335 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7337 VariantClass v = gameInfo.variant;
7339 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7340 if(v == VariantShatranj) return TRUE; // always winnable through baring
7341 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7342 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7344 if(v == VariantXiangqi) {
7345 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7347 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7348 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7349 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7350 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7351 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7352 if(stale) // we have at least one last-rank P plus perhaps C
7353 return majors // KPKX
7354 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7356 return pCnt[WhiteFerz+side] // KCAK
7357 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7358 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7359 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7361 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7362 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7364 if(nMine == 1) return FALSE; // bare King
7365 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
7366 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7367 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7368 // by now we have King + 1 piece (or multiple Bishops on the same color)
7369 if(pCnt[WhiteKnight+side])
7370 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7371 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7372 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7374 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7375 if(pCnt[WhiteAlfil+side])
7376 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7377 if(pCnt[WhiteWazir+side])
7378 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7385 CompareWithRights(Board b1, Board b2)
7388 if(!CompareBoards(b1, b2)) return FALSE;
7389 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7390 /* compare castling rights */
7391 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7392 rights++; /* King lost rights, while rook still had them */
7393 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7394 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7395 rights++; /* but at least one rook lost them */
7397 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7399 if( b1[CASTLING][5] != NoRights ) {
7400 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7407 Adjudicate(ChessProgramState *cps)
7408 { // [HGM] some adjudications useful with buggy engines
7409 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7410 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7411 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7412 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7413 int k, count = 0; static int bare = 1;
7414 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7415 Boolean canAdjudicate = !appData.icsActive;
7417 // most tests only when we understand the game, i.e. legality-checking on
7418 if( appData.testLegality )
7419 { /* [HGM] Some more adjudications for obstinate engines */
7420 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7421 static int moveCount = 6;
7423 char *reason = NULL;
7425 /* Count what is on board. */
7426 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7428 /* Some material-based adjudications that have to be made before stalemate test */
7429 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7430 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7431 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7432 if(canAdjudicate && appData.checkMates) {
7434 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7435 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7436 "Xboard adjudication: King destroyed", GE_XBOARD );
7441 /* Bare King in Shatranj (loses) or Losers (wins) */
7442 if( nrW == 1 || nrB == 1) {
7443 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7444 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7445 if(canAdjudicate && appData.checkMates) {
7447 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7448 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7449 "Xboard adjudication: Bare king", GE_XBOARD );
7453 if( gameInfo.variant == VariantShatranj && --bare < 0)
7455 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7456 if(canAdjudicate && appData.checkMates) {
7457 /* but only adjudicate if adjudication enabled */
7459 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7460 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7461 "Xboard adjudication: Bare king", GE_XBOARD );
7468 // don't wait for engine to announce game end if we can judge ourselves
7469 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7471 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7472 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7473 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7474 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7477 reason = "Xboard adjudication: 3rd check";
7478 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7488 reason = "Xboard adjudication: Stalemate";
7489 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7490 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7491 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7492 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7493 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7494 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7495 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7496 EP_CHECKMATE : EP_WINS);
7497 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7498 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7502 reason = "Xboard adjudication: Checkmate";
7503 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7507 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7509 result = GameIsDrawn; break;
7511 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7513 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7517 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7519 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7520 GameEnds( result, reason, GE_XBOARD );
7524 /* Next absolutely insufficient mating material. */
7525 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7526 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7527 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7529 /* always flag draws, for judging claims */
7530 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7532 if(canAdjudicate && appData.materialDraws) {
7533 /* but only adjudicate them if adjudication enabled */
7534 if(engineOpponent) {
7535 SendToProgram("force\n", engineOpponent); // suppress reply
7536 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7538 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7543 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7544 if(gameInfo.variant == VariantXiangqi ?
7545 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7547 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7548 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7549 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7550 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7552 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7553 { /* if the first 3 moves do not show a tactical win, declare draw */
7554 if(engineOpponent) {
7555 SendToProgram("force\n", engineOpponent); // suppress reply
7556 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7558 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7561 } else moveCount = 6;
7563 if (appData.debugMode) { int i;
7564 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7565 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7566 appData.drawRepeats);
7567 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7568 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7572 // Repetition draws and 50-move rule can be applied independently of legality testing
7574 /* Check for rep-draws */
7576 for(k = forwardMostMove-2;
7577 k>=backwardMostMove && k>=forwardMostMove-100 &&
7578 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7579 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7582 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7583 /* compare castling rights */
7584 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7585 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7586 rights++; /* King lost rights, while rook still had them */
7587 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7588 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7589 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7590 rights++; /* but at least one rook lost them */
7592 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7593 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7595 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7596 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7597 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7600 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7601 && appData.drawRepeats > 1) {
7602 /* adjudicate after user-specified nr of repeats */
7603 int result = GameIsDrawn;
7604 char *details = "XBoard adjudication: repetition draw";
7605 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7606 // [HGM] xiangqi: check for forbidden perpetuals
7607 int m, ourPerpetual = 1, hisPerpetual = 1;
7608 for(m=forwardMostMove; m>k; m-=2) {
7609 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7610 ourPerpetual = 0; // the current mover did not always check
7611 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7612 hisPerpetual = 0; // the opponent did not always check
7614 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7615 ourPerpetual, hisPerpetual);
7616 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7617 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7618 details = "Xboard adjudication: perpetual checking";
7620 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7621 break; // (or we would have caught him before). Abort repetition-checking loop.
7623 // Now check for perpetual chases
7624 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7625 hisPerpetual = PerpetualChase(k, forwardMostMove);
7626 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7627 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7628 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7629 details = "Xboard adjudication: perpetual chasing";
7631 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7632 break; // Abort repetition-checking loop.
7634 // if neither of us is checking or chasing all the time, or both are, it is draw
7636 if(engineOpponent) {
7637 SendToProgram("force\n", engineOpponent); // suppress reply
7638 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7640 GameEnds( result, details, GE_XBOARD );
7643 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7644 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7648 /* Now we test for 50-move draws. Determine ply count */
7649 count = forwardMostMove;
7650 /* look for last irreversble move */
7651 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7653 /* if we hit starting position, add initial plies */
7654 if( count == backwardMostMove )
7655 count -= initialRulePlies;
7656 count = forwardMostMove - count;
7657 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7658 // adjust reversible move counter for checks in Xiangqi
7659 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7660 if(i < backwardMostMove) i = backwardMostMove;
7661 while(i <= forwardMostMove) {
7662 lastCheck = inCheck; // check evasion does not count
7663 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7664 if(inCheck || lastCheck) count--; // check does not count
7669 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7670 /* this is used to judge if draw claims are legal */
7671 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7672 if(engineOpponent) {
7673 SendToProgram("force\n", engineOpponent); // suppress reply
7674 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7676 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7680 /* if draw offer is pending, treat it as a draw claim
7681 * when draw condition present, to allow engines a way to
7682 * claim draws before making their move to avoid a race
7683 * condition occurring after their move
7685 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7687 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7688 p = "Draw claim: 50-move rule";
7689 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7690 p = "Draw claim: 3-fold repetition";
7691 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7692 p = "Draw claim: insufficient mating material";
7693 if( p != NULL && canAdjudicate) {
7694 if(engineOpponent) {
7695 SendToProgram("force\n", engineOpponent); // suppress reply
7696 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7698 GameEnds( GameIsDrawn, p, GE_XBOARD );
7703 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7704 if(engineOpponent) {
7705 SendToProgram("force\n", engineOpponent); // suppress reply
7706 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7708 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7714 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7715 { // [HGM] book: this routine intercepts moves to simulate book replies
7716 char *bookHit = NULL;
7718 //first determine if the incoming move brings opponent into his book
7719 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7720 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7721 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7722 if(bookHit != NULL && !cps->bookSuspend) {
7723 // make sure opponent is not going to reply after receiving move to book position
7724 SendToProgram("force\n", cps);
7725 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7727 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7728 // now arrange restart after book miss
7730 // after a book hit we never send 'go', and the code after the call to this routine
7731 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7732 char buf[MSG_SIZ], *move = bookHit;
7734 int fromX, fromY, toX, toY;
7738 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7739 &fromX, &fromY, &toX, &toY, &promoChar)) {
7740 (void) CoordsToAlgebraic(boards[forwardMostMove],
7741 PosFlags(forwardMostMove),
7742 fromY, fromX, toY, toX, promoChar, move);
7744 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7748 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7749 SendToProgram(buf, cps);
7750 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7751 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7752 SendToProgram("go\n", cps);
7753 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7754 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7755 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7756 SendToProgram("go\n", cps);
7757 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7759 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7763 ChessProgramState *savedState;
7764 void DeferredBookMove(void)
7766 if(savedState->lastPing != savedState->lastPong)
7767 ScheduleDelayedEvent(DeferredBookMove, 10);
7769 HandleMachineMove(savedMessage, savedState);
7772 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7775 HandleMachineMove(message, cps)
7777 ChessProgramState *cps;
7779 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7780 char realname[MSG_SIZ];
7781 int fromX, fromY, toX, toY;
7788 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7789 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7790 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7791 DisplayError(_("Invalid pairing from pairing engine"), 0);
7794 pairingReceived = 1;
7796 return; // Skim the pairing messages here.
7801 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7803 * Kludge to ignore BEL characters
7805 while (*message == '\007') message++;
7808 * [HGM] engine debug message: ignore lines starting with '#' character
7810 if(cps->debug && *message == '#') return;
7813 * Look for book output
7815 if (cps == &first && bookRequested) {
7816 if (message[0] == '\t' || message[0] == ' ') {
7817 /* Part of the book output is here; append it */
7818 strcat(bookOutput, message);
7819 strcat(bookOutput, " \n");
7821 } else if (bookOutput[0] != NULLCHAR) {
7822 /* All of book output has arrived; display it */
7823 char *p = bookOutput;
7824 while (*p != NULLCHAR) {
7825 if (*p == '\t') *p = ' ';
7828 DisplayInformation(bookOutput);
7829 bookRequested = FALSE;
7830 /* Fall through to parse the current output */
7835 * Look for machine move.
7837 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7838 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7840 /* This method is only useful on engines that support ping */
7841 if (cps->lastPing != cps->lastPong) {
7842 if (gameMode == BeginningOfGame) {
7843 /* Extra move from before last new; ignore */
7844 if (appData.debugMode) {
7845 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7848 if (appData.debugMode) {
7849 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7850 cps->which, gameMode);
7853 SendToProgram("undo\n", cps);
7859 case BeginningOfGame:
7860 /* Extra move from before last reset; ignore */
7861 if (appData.debugMode) {
7862 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7869 /* Extra move after we tried to stop. The mode test is
7870 not a reliable way of detecting this problem, but it's
7871 the best we can do on engines that don't support ping.
7873 if (appData.debugMode) {
7874 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7875 cps->which, gameMode);
7877 SendToProgram("undo\n", cps);
7880 case MachinePlaysWhite:
7881 case IcsPlayingWhite:
7882 machineWhite = TRUE;
7885 case MachinePlaysBlack:
7886 case IcsPlayingBlack:
7887 machineWhite = FALSE;
7890 case TwoMachinesPlay:
7891 machineWhite = (cps->twoMachinesColor[0] == 'w');
7894 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7895 if (appData.debugMode) {
7897 "Ignoring move out of turn by %s, gameMode %d"
7898 ", forwardMost %d\n",
7899 cps->which, gameMode, forwardMostMove);
7904 if (appData.debugMode) { int f = forwardMostMove;
7905 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7906 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7907 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7909 if(cps->alphaRank) AlphaRank(machineMove, 4);
7910 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7911 &fromX, &fromY, &toX, &toY, &promoChar)) {
7912 /* Machine move could not be parsed; ignore it. */
7913 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7914 machineMove, _(cps->which));
7915 DisplayError(buf1, 0);
7916 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7917 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7918 if (gameMode == TwoMachinesPlay) {
7919 GameEnds(machineWhite ? BlackWins : WhiteWins,
7925 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7926 /* So we have to redo legality test with true e.p. status here, */
7927 /* to make sure an illegal e.p. capture does not slip through, */
7928 /* to cause a forfeit on a justified illegal-move complaint */
7929 /* of the opponent. */
7930 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7932 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7933 fromY, fromX, toY, toX, promoChar);
7934 if (appData.debugMode) {
7936 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7937 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7938 fprintf(debugFP, "castling rights\n");
7940 if(moveType == IllegalMove) {
7941 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7942 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7943 GameEnds(machineWhite ? BlackWins : WhiteWins,
7946 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7947 /* [HGM] Kludge to handle engines that send FRC-style castling
7948 when they shouldn't (like TSCP-Gothic) */
7950 case WhiteASideCastleFR:
7951 case BlackASideCastleFR:
7953 currentMoveString[2]++;
7955 case WhiteHSideCastleFR:
7956 case BlackHSideCastleFR:
7958 currentMoveString[2]--;
7960 default: ; // nothing to do, but suppresses warning of pedantic compilers
7963 hintRequested = FALSE;
7964 lastHint[0] = NULLCHAR;
7965 bookRequested = FALSE;
7966 /* Program may be pondering now */
7967 cps->maybeThinking = TRUE;
7968 if (cps->sendTime == 2) cps->sendTime = 1;
7969 if (cps->offeredDraw) cps->offeredDraw--;
7971 /* [AS] Save move info*/
7972 pvInfoList[ forwardMostMove ].score = programStats.score;
7973 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7974 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7976 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7978 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7979 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7982 while( count < adjudicateLossPlies ) {
7983 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7986 score = -score; /* Flip score for winning side */
7989 if( score > adjudicateLossThreshold ) {
7996 if( count >= adjudicateLossPlies ) {
7997 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7999 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8000 "Xboard adjudication",
8007 if(Adjudicate(cps)) {
8008 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8009 return; // [HGM] adjudicate: for all automatic game ends
8013 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8015 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8016 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8018 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8020 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8022 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8023 char buf[3*MSG_SIZ];
8025 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8026 programStats.score / 100.,
8028 programStats.time / 100.,
8029 (unsigned int)programStats.nodes,
8030 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8031 programStats.movelist);
8033 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8038 /* [AS] Clear stats for next move */
8039 ClearProgramStats();
8040 thinkOutput[0] = NULLCHAR;
8041 hiddenThinkOutputState = 0;
8044 if (gameMode == TwoMachinesPlay) {
8045 /* [HGM] relaying draw offers moved to after reception of move */
8046 /* and interpreting offer as claim if it brings draw condition */
8047 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8048 SendToProgram("draw\n", cps->other);
8050 if (cps->other->sendTime) {
8051 SendTimeRemaining(cps->other,
8052 cps->other->twoMachinesColor[0] == 'w');
8054 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8055 if (firstMove && !bookHit) {
8057 if (cps->other->useColors) {
8058 SendToProgram(cps->other->twoMachinesColor, cps->other);
8060 SendToProgram("go\n", cps->other);
8062 cps->other->maybeThinking = TRUE;
8065 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8067 if (!pausing && appData.ringBellAfterMoves) {
8072 * Reenable menu items that were disabled while
8073 * machine was thinking
8075 if (gameMode != TwoMachinesPlay)
8076 SetUserThinkingEnables();
8078 // [HGM] book: after book hit opponent has received move and is now in force mode
8079 // force the book reply into it, and then fake that it outputted this move by jumping
8080 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8082 static char bookMove[MSG_SIZ]; // a bit generous?
8084 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8085 strcat(bookMove, bookHit);
8088 programStats.nodes = programStats.depth = programStats.time =
8089 programStats.score = programStats.got_only_move = 0;
8090 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8092 if(cps->lastPing != cps->lastPong) {
8093 savedMessage = message; // args for deferred call
8095 ScheduleDelayedEvent(DeferredBookMove, 10);
8104 /* Set special modes for chess engines. Later something general
8105 * could be added here; for now there is just one kludge feature,
8106 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8107 * when "xboard" is given as an interactive command.
8109 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8110 cps->useSigint = FALSE;
8111 cps->useSigterm = FALSE;
8113 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8114 ParseFeatures(message+8, cps);
8115 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8118 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8119 int dummy, s=6; char buf[MSG_SIZ];
8120 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8121 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8122 ParseFEN(boards[0], &dummy, message+s);
8123 DrawPosition(TRUE, boards[0]);
8124 startedFromSetupPosition = TRUE;
8127 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8128 * want this, I was asked to put it in, and obliged.
8130 if (!strncmp(message, "setboard ", 9)) {
8131 Board initial_position;
8133 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8135 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8136 DisplayError(_("Bad FEN received from engine"), 0);
8140 CopyBoard(boards[0], initial_position);
8141 initialRulePlies = FENrulePlies;
8142 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8143 else gameMode = MachinePlaysBlack;
8144 DrawPosition(FALSE, boards[currentMove]);
8150 * Look for communication commands
8152 if (!strncmp(message, "telluser ", 9)) {
8153 if(message[9] == '\\' && message[10] == '\\')
8154 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8156 DisplayNote(message + 9);
8159 if (!strncmp(message, "tellusererror ", 14)) {
8161 if(message[14] == '\\' && message[15] == '\\')
8162 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8164 DisplayError(message + 14, 0);
8167 if (!strncmp(message, "tellopponent ", 13)) {
8168 if (appData.icsActive) {
8170 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8174 DisplayNote(message + 13);
8178 if (!strncmp(message, "tellothers ", 11)) {
8179 if (appData.icsActive) {
8181 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8187 if (!strncmp(message, "tellall ", 8)) {
8188 if (appData.icsActive) {
8190 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8194 DisplayNote(message + 8);
8198 if (strncmp(message, "warning", 7) == 0) {
8199 /* Undocumented feature, use tellusererror in new code */
8200 DisplayError(message, 0);
8203 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8204 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8205 strcat(realname, " query");
8206 AskQuestion(realname, buf2, buf1, cps->pr);
8209 /* Commands from the engine directly to ICS. We don't allow these to be
8210 * sent until we are logged on. Crafty kibitzes have been known to
8211 * interfere with the login process.
8214 if (!strncmp(message, "tellics ", 8)) {
8215 SendToICS(message + 8);
8219 if (!strncmp(message, "tellicsnoalias ", 15)) {
8220 SendToICS(ics_prefix);
8221 SendToICS(message + 15);
8225 /* The following are for backward compatibility only */
8226 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8227 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8228 SendToICS(ics_prefix);
8234 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8238 * If the move is illegal, cancel it and redraw the board.
8239 * Also deal with other error cases. Matching is rather loose
8240 * here to accommodate engines written before the spec.
8242 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8243 strncmp(message, "Error", 5) == 0) {
8244 if (StrStr(message, "name") ||
8245 StrStr(message, "rating") || StrStr(message, "?") ||
8246 StrStr(message, "result") || StrStr(message, "board") ||
8247 StrStr(message, "bk") || StrStr(message, "computer") ||
8248 StrStr(message, "variant") || StrStr(message, "hint") ||
8249 StrStr(message, "random") || StrStr(message, "depth") ||
8250 StrStr(message, "accepted")) {
8253 if (StrStr(message, "protover")) {
8254 /* Program is responding to input, so it's apparently done
8255 initializing, and this error message indicates it is
8256 protocol version 1. So we don't need to wait any longer
8257 for it to initialize and send feature commands. */
8258 FeatureDone(cps, 1);
8259 cps->protocolVersion = 1;
8262 cps->maybeThinking = FALSE;
8264 if (StrStr(message, "draw")) {
8265 /* Program doesn't have "draw" command */
8266 cps->sendDrawOffers = 0;
8269 if (cps->sendTime != 1 &&
8270 (StrStr(message, "time") || StrStr(message, "otim"))) {
8271 /* Program apparently doesn't have "time" or "otim" command */
8275 if (StrStr(message, "analyze")) {
8276 cps->analysisSupport = FALSE;
8277 cps->analyzing = FALSE;
8278 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8279 EditGameEvent(); // [HGM] try to preserve loaded game
8280 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8281 DisplayError(buf2, 0);
8284 if (StrStr(message, "(no matching move)st")) {
8285 /* Special kludge for GNU Chess 4 only */
8286 cps->stKludge = TRUE;
8287 SendTimeControl(cps, movesPerSession, timeControl,
8288 timeIncrement, appData.searchDepth,
8292 if (StrStr(message, "(no matching move)sd")) {
8293 /* Special kludge for GNU Chess 4 only */
8294 cps->sdKludge = TRUE;
8295 SendTimeControl(cps, movesPerSession, timeControl,
8296 timeIncrement, appData.searchDepth,
8300 if (!StrStr(message, "llegal")) {
8303 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8304 gameMode == IcsIdle) return;
8305 if (forwardMostMove <= backwardMostMove) return;
8306 if (pausing) PauseEvent();
8307 if(appData.forceIllegal) {
8308 // [HGM] illegal: machine refused move; force position after move into it
8309 SendToProgram("force\n", cps);
8310 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8311 // we have a real problem now, as SendBoard will use the a2a3 kludge
8312 // when black is to move, while there might be nothing on a2 or black
8313 // might already have the move. So send the board as if white has the move.
8314 // But first we must change the stm of the engine, as it refused the last move
8315 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8316 if(WhiteOnMove(forwardMostMove)) {
8317 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8318 SendBoard(cps, forwardMostMove); // kludgeless board
8320 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8321 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8322 SendBoard(cps, forwardMostMove+1); // kludgeless board
8324 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8325 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8326 gameMode == TwoMachinesPlay)
8327 SendToProgram("go\n", cps);
8330 if (gameMode == PlayFromGameFile) {
8331 /* Stop reading this game file */
8332 gameMode = EditGame;
8335 /* [HGM] illegal-move claim should forfeit game when Xboard */
8336 /* only passes fully legal moves */
8337 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8338 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8339 "False illegal-move claim", GE_XBOARD );
8340 return; // do not take back move we tested as valid
8342 currentMove = forwardMostMove-1;
8343 DisplayMove(currentMove-1); /* before DisplayMoveError */
8344 SwitchClocks(forwardMostMove-1); // [HGM] race
8345 DisplayBothClocks();
8346 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8347 parseList[currentMove], _(cps->which));
8348 DisplayMoveError(buf1);
8349 DrawPosition(FALSE, boards[currentMove]);
8352 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8353 /* Program has a broken "time" command that
8354 outputs a string not ending in newline.
8360 * If chess program startup fails, exit with an error message.
8361 * Attempts to recover here are futile.
8363 if ((StrStr(message, "unknown host") != NULL)
8364 || (StrStr(message, "No remote directory") != NULL)
8365 || (StrStr(message, "not found") != NULL)
8366 || (StrStr(message, "No such file") != NULL)
8367 || (StrStr(message, "can't alloc") != NULL)
8368 || (StrStr(message, "Permission denied") != NULL)) {
8370 cps->maybeThinking = FALSE;
8371 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8372 _(cps->which), cps->program, cps->host, message);
8373 RemoveInputSource(cps->isr);
8374 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8375 if(cps == &first) appData.noChessProgram = TRUE;
8376 DisplayError(buf1, 0);
8382 * Look for hint output
8384 if (sscanf(message, "Hint: %s", buf1) == 1) {
8385 if (cps == &first && hintRequested) {
8386 hintRequested = FALSE;
8387 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8388 &fromX, &fromY, &toX, &toY, &promoChar)) {
8389 (void) CoordsToAlgebraic(boards[forwardMostMove],
8390 PosFlags(forwardMostMove),
8391 fromY, fromX, toY, toX, promoChar, buf1);
8392 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8393 DisplayInformation(buf2);
8395 /* Hint move could not be parsed!? */
8396 snprintf(buf2, sizeof(buf2),
8397 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8398 buf1, _(cps->which));
8399 DisplayError(buf2, 0);
8402 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8408 * Ignore other messages if game is not in progress
8410 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8411 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8414 * look for win, lose, draw, or draw offer
8416 if (strncmp(message, "1-0", 3) == 0) {
8417 char *p, *q, *r = "";
8418 p = strchr(message, '{');
8426 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8428 } else if (strncmp(message, "0-1", 3) == 0) {
8429 char *p, *q, *r = "";
8430 p = strchr(message, '{');
8438 /* Kludge for Arasan 4.1 bug */
8439 if (strcmp(r, "Black resigns") == 0) {
8440 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8443 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8445 } else if (strncmp(message, "1/2", 3) == 0) {
8446 char *p, *q, *r = "";
8447 p = strchr(message, '{');
8456 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8459 } else if (strncmp(message, "White resign", 12) == 0) {
8460 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8462 } else if (strncmp(message, "Black resign", 12) == 0) {
8463 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8465 } else if (strncmp(message, "White matches", 13) == 0 ||
8466 strncmp(message, "Black matches", 13) == 0 ) {
8467 /* [HGM] ignore GNUShogi noises */
8469 } else if (strncmp(message, "White", 5) == 0 &&
8470 message[5] != '(' &&
8471 StrStr(message, "Black") == NULL) {
8472 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8474 } else if (strncmp(message, "Black", 5) == 0 &&
8475 message[5] != '(') {
8476 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8478 } else if (strcmp(message, "resign") == 0 ||
8479 strcmp(message, "computer resigns") == 0) {
8481 case MachinePlaysBlack:
8482 case IcsPlayingBlack:
8483 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8485 case MachinePlaysWhite:
8486 case IcsPlayingWhite:
8487 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8489 case TwoMachinesPlay:
8490 if (cps->twoMachinesColor[0] == 'w')
8491 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8493 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8500 } else if (strncmp(message, "opponent mates", 14) == 0) {
8502 case MachinePlaysBlack:
8503 case IcsPlayingBlack:
8504 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8506 case MachinePlaysWhite:
8507 case IcsPlayingWhite:
8508 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8510 case TwoMachinesPlay:
8511 if (cps->twoMachinesColor[0] == 'w')
8512 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8514 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8521 } else if (strncmp(message, "computer mates", 14) == 0) {
8523 case MachinePlaysBlack:
8524 case IcsPlayingBlack:
8525 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8527 case MachinePlaysWhite:
8528 case IcsPlayingWhite:
8529 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8531 case TwoMachinesPlay:
8532 if (cps->twoMachinesColor[0] == 'w')
8533 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8535 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8542 } else if (strncmp(message, "checkmate", 9) == 0) {
8543 if (WhiteOnMove(forwardMostMove)) {
8544 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8546 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8549 } else if (strstr(message, "Draw") != NULL ||
8550 strstr(message, "game is a draw") != NULL) {
8551 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8553 } else if (strstr(message, "offer") != NULL &&
8554 strstr(message, "draw") != NULL) {
8556 if (appData.zippyPlay && first.initDone) {
8557 /* Relay offer to ICS */
8558 SendToICS(ics_prefix);
8559 SendToICS("draw\n");
8562 cps->offeredDraw = 2; /* valid until this engine moves twice */
8563 if (gameMode == TwoMachinesPlay) {
8564 if (cps->other->offeredDraw) {
8565 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8566 /* [HGM] in two-machine mode we delay relaying draw offer */
8567 /* until after we also have move, to see if it is really claim */
8569 } else if (gameMode == MachinePlaysWhite ||
8570 gameMode == MachinePlaysBlack) {
8571 if (userOfferedDraw) {
8572 DisplayInformation(_("Machine accepts your draw offer"));
8573 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8575 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8582 * Look for thinking output
8584 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8585 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8587 int plylev, mvleft, mvtot, curscore, time;
8588 char mvname[MOVE_LEN];
8592 int prefixHint = FALSE;
8593 mvname[0] = NULLCHAR;
8596 case MachinePlaysBlack:
8597 case IcsPlayingBlack:
8598 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8600 case MachinePlaysWhite:
8601 case IcsPlayingWhite:
8602 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8607 case IcsObserving: /* [DM] icsEngineAnalyze */
8608 if (!appData.icsEngineAnalyze) ignore = TRUE;
8610 case TwoMachinesPlay:
8611 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8621 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8623 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8624 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8626 if (plyext != ' ' && plyext != '\t') {
8630 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8631 if( cps->scoreIsAbsolute &&
8632 ( gameMode == MachinePlaysBlack ||
8633 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8634 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8635 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8636 !WhiteOnMove(currentMove)
8639 curscore = -curscore;
8642 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8644 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8647 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8648 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8649 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8650 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8651 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8652 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8654 } else DisplayError("failed writing PV", 0);
8657 tempStats.depth = plylev;
8658 tempStats.nodes = nodes;
8659 tempStats.time = time;
8660 tempStats.score = curscore;
8661 tempStats.got_only_move = 0;
8663 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8666 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8667 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8668 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8669 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8670 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8671 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8672 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8673 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8676 /* Buffer overflow protection */
8677 if (pv[0] != NULLCHAR) {
8678 if (strlen(pv) >= sizeof(tempStats.movelist)
8679 && appData.debugMode) {
8681 "PV is too long; using the first %u bytes.\n",
8682 (unsigned) sizeof(tempStats.movelist) - 1);
8685 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8687 sprintf(tempStats.movelist, " no PV\n");
8690 if (tempStats.seen_stat) {
8691 tempStats.ok_to_send = 1;
8694 if (strchr(tempStats.movelist, '(') != NULL) {
8695 tempStats.line_is_book = 1;
8696 tempStats.nr_moves = 0;
8697 tempStats.moves_left = 0;
8699 tempStats.line_is_book = 0;
8702 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8703 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8705 SendProgramStatsToFrontend( cps, &tempStats );
8708 [AS] Protect the thinkOutput buffer from overflow... this
8709 is only useful if buf1 hasn't overflowed first!
8711 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8713 (gameMode == TwoMachinesPlay ?
8714 ToUpper(cps->twoMachinesColor[0]) : ' '),
8715 ((double) curscore) / 100.0,
8716 prefixHint ? lastHint : "",
8717 prefixHint ? " " : "" );
8719 if( buf1[0] != NULLCHAR ) {
8720 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8722 if( strlen(pv) > max_len ) {
8723 if( appData.debugMode) {
8724 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8726 pv[max_len+1] = '\0';
8729 strcat( thinkOutput, pv);
8732 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8733 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8734 DisplayMove(currentMove - 1);
8738 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8739 /* crafty (9.25+) says "(only move) <move>"
8740 * if there is only 1 legal move
8742 sscanf(p, "(only move) %s", buf1);
8743 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8744 sprintf(programStats.movelist, "%s (only move)", buf1);
8745 programStats.depth = 1;
8746 programStats.nr_moves = 1;
8747 programStats.moves_left = 1;
8748 programStats.nodes = 1;
8749 programStats.time = 1;
8750 programStats.got_only_move = 1;
8752 /* Not really, but we also use this member to
8753 mean "line isn't going to change" (Crafty
8754 isn't searching, so stats won't change) */
8755 programStats.line_is_book = 1;
8757 SendProgramStatsToFrontend( cps, &programStats );
8759 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8760 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8761 DisplayMove(currentMove - 1);
8764 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8765 &time, &nodes, &plylev, &mvleft,
8766 &mvtot, mvname) >= 5) {
8767 /* The stat01: line is from Crafty (9.29+) in response
8768 to the "." command */
8769 programStats.seen_stat = 1;
8770 cps->maybeThinking = TRUE;
8772 if (programStats.got_only_move || !appData.periodicUpdates)
8775 programStats.depth = plylev;
8776 programStats.time = time;
8777 programStats.nodes = nodes;
8778 programStats.moves_left = mvleft;
8779 programStats.nr_moves = mvtot;
8780 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8781 programStats.ok_to_send = 1;
8782 programStats.movelist[0] = '\0';
8784 SendProgramStatsToFrontend( cps, &programStats );
8788 } else if (strncmp(message,"++",2) == 0) {
8789 /* Crafty 9.29+ outputs this */
8790 programStats.got_fail = 2;
8793 } else if (strncmp(message,"--",2) == 0) {
8794 /* Crafty 9.29+ outputs this */
8795 programStats.got_fail = 1;
8798 } else if (thinkOutput[0] != NULLCHAR &&
8799 strncmp(message, " ", 4) == 0) {
8800 unsigned message_len;
8803 while (*p && *p == ' ') p++;
8805 message_len = strlen( p );
8807 /* [AS] Avoid buffer overflow */
8808 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8809 strcat(thinkOutput, " ");
8810 strcat(thinkOutput, p);
8813 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8814 strcat(programStats.movelist, " ");
8815 strcat(programStats.movelist, p);
8818 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8819 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8820 DisplayMove(currentMove - 1);
8828 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8829 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8831 ChessProgramStats cpstats;
8833 if (plyext != ' ' && plyext != '\t') {
8837 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8838 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8839 curscore = -curscore;
8842 cpstats.depth = plylev;
8843 cpstats.nodes = nodes;
8844 cpstats.time = time;
8845 cpstats.score = curscore;
8846 cpstats.got_only_move = 0;
8847 cpstats.movelist[0] = '\0';
8849 if (buf1[0] != NULLCHAR) {
8850 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8853 cpstats.ok_to_send = 0;
8854 cpstats.line_is_book = 0;
8855 cpstats.nr_moves = 0;
8856 cpstats.moves_left = 0;
8858 SendProgramStatsToFrontend( cps, &cpstats );
8865 /* Parse a game score from the character string "game", and
8866 record it as the history of the current game. The game
8867 score is NOT assumed to start from the standard position.
8868 The display is not updated in any way.
8871 ParseGameHistory(game)
8875 int fromX, fromY, toX, toY, boardIndex;
8880 if (appData.debugMode)
8881 fprintf(debugFP, "Parsing game history: %s\n", game);
8883 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8884 gameInfo.site = StrSave(appData.icsHost);
8885 gameInfo.date = PGNDate();
8886 gameInfo.round = StrSave("-");
8888 /* Parse out names of players */
8889 while (*game == ' ') game++;
8891 while (*game != ' ') *p++ = *game++;
8893 gameInfo.white = StrSave(buf);
8894 while (*game == ' ') game++;
8896 while (*game != ' ' && *game != '\n') *p++ = *game++;
8898 gameInfo.black = StrSave(buf);
8901 boardIndex = blackPlaysFirst ? 1 : 0;
8904 yyboardindex = boardIndex;
8905 moveType = (ChessMove) Myylex();
8907 case IllegalMove: /* maybe suicide chess, etc. */
8908 if (appData.debugMode) {
8909 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8910 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8911 setbuf(debugFP, NULL);
8913 case WhitePromotion:
8914 case BlackPromotion:
8915 case WhiteNonPromotion:
8916 case BlackNonPromotion:
8918 case WhiteCapturesEnPassant:
8919 case BlackCapturesEnPassant:
8920 case WhiteKingSideCastle:
8921 case WhiteQueenSideCastle:
8922 case BlackKingSideCastle:
8923 case BlackQueenSideCastle:
8924 case WhiteKingSideCastleWild:
8925 case WhiteQueenSideCastleWild:
8926 case BlackKingSideCastleWild:
8927 case BlackQueenSideCastleWild:
8929 case WhiteHSideCastleFR:
8930 case WhiteASideCastleFR:
8931 case BlackHSideCastleFR:
8932 case BlackASideCastleFR:
8934 fromX = currentMoveString[0] - AAA;
8935 fromY = currentMoveString[1] - ONE;
8936 toX = currentMoveString[2] - AAA;
8937 toY = currentMoveString[3] - ONE;
8938 promoChar = currentMoveString[4];
8942 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8943 fromX = moveType == WhiteDrop ?
8944 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8945 (int) CharToPiece(ToLower(currentMoveString[0]));
8947 toX = currentMoveString[2] - AAA;
8948 toY = currentMoveString[3] - ONE;
8949 promoChar = NULLCHAR;
8953 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8954 if (appData.debugMode) {
8955 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8956 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8957 setbuf(debugFP, NULL);
8959 DisplayError(buf, 0);
8961 case ImpossibleMove:
8963 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8964 if (appData.debugMode) {
8965 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8966 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8967 setbuf(debugFP, NULL);
8969 DisplayError(buf, 0);
8972 if (boardIndex < backwardMostMove) {
8973 /* Oops, gap. How did that happen? */
8974 DisplayError(_("Gap in move list"), 0);
8977 backwardMostMove = blackPlaysFirst ? 1 : 0;
8978 if (boardIndex > forwardMostMove) {
8979 forwardMostMove = boardIndex;
8983 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8984 strcat(parseList[boardIndex-1], " ");
8985 strcat(parseList[boardIndex-1], yy_text);
8997 case GameUnfinished:
8998 if (gameMode == IcsExamining) {
8999 if (boardIndex < backwardMostMove) {
9000 /* Oops, gap. How did that happen? */
9003 backwardMostMove = blackPlaysFirst ? 1 : 0;
9006 gameInfo.result = moveType;
9007 p = strchr(yy_text, '{');
9008 if (p == NULL) p = strchr(yy_text, '(');
9011 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9013 q = strchr(p, *p == '{' ? '}' : ')');
9014 if (q != NULL) *q = NULLCHAR;
9017 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9018 gameInfo.resultDetails = StrSave(p);
9021 if (boardIndex >= forwardMostMove &&
9022 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9023 backwardMostMove = blackPlaysFirst ? 1 : 0;
9026 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9027 fromY, fromX, toY, toX, promoChar,
9028 parseList[boardIndex]);
9029 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9030 /* currentMoveString is set as a side-effect of yylex */
9031 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9032 strcat(moveList[boardIndex], "\n");
9034 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9035 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9041 if(gameInfo.variant != VariantShogi)
9042 strcat(parseList[boardIndex - 1], "+");
9046 strcat(parseList[boardIndex - 1], "#");
9053 /* Apply a move to the given board */
9055 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9056 int fromX, fromY, toX, toY;
9060 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9061 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9063 /* [HGM] compute & store e.p. status and castling rights for new position */
9064 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9066 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9067 oldEP = (signed char)board[EP_STATUS];
9068 board[EP_STATUS] = EP_NONE;
9070 if (fromY == DROP_RANK) {
9072 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9073 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9076 piece = board[toY][toX] = (ChessSquare) fromX;
9080 if( board[toY][toX] != EmptySquare )
9081 board[EP_STATUS] = EP_CAPTURE;
9083 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9084 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9085 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9087 if( board[fromY][fromX] == WhitePawn ) {
9088 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9089 board[EP_STATUS] = EP_PAWN_MOVE;
9091 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9092 gameInfo.variant != VariantBerolina || toX < fromX)
9093 board[EP_STATUS] = toX | berolina;
9094 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9095 gameInfo.variant != VariantBerolina || toX > fromX)
9096 board[EP_STATUS] = toX;
9099 if( board[fromY][fromX] == BlackPawn ) {
9100 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9101 board[EP_STATUS] = EP_PAWN_MOVE;
9102 if( toY-fromY== -2) {
9103 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9104 gameInfo.variant != VariantBerolina || toX < fromX)
9105 board[EP_STATUS] = toX | berolina;
9106 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9107 gameInfo.variant != VariantBerolina || toX > fromX)
9108 board[EP_STATUS] = toX;
9112 for(i=0; i<nrCastlingRights; i++) {
9113 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9114 board[CASTLING][i] == toX && castlingRank[i] == toY
9115 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9118 if (fromX == toX && fromY == toY) return;
9120 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9121 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9122 if(gameInfo.variant == VariantKnightmate)
9123 king += (int) WhiteUnicorn - (int) WhiteKing;
9125 /* Code added by Tord: */
9126 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9127 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9128 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9129 board[fromY][fromX] = EmptySquare;
9130 board[toY][toX] = EmptySquare;
9131 if((toX > fromX) != (piece == WhiteRook)) {
9132 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9134 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9136 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9137 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9138 board[fromY][fromX] = EmptySquare;
9139 board[toY][toX] = EmptySquare;
9140 if((toX > fromX) != (piece == BlackRook)) {
9141 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9143 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9145 /* End of code added by Tord */
9147 } else if (board[fromY][fromX] == king
9148 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9149 && toY == fromY && toX > fromX+1) {
9150 board[fromY][fromX] = EmptySquare;
9151 board[toY][toX] = king;
9152 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9153 board[fromY][BOARD_RGHT-1] = EmptySquare;
9154 } else if (board[fromY][fromX] == king
9155 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9156 && toY == fromY && toX < fromX-1) {
9157 board[fromY][fromX] = EmptySquare;
9158 board[toY][toX] = king;
9159 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9160 board[fromY][BOARD_LEFT] = EmptySquare;
9161 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9162 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9163 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9165 /* white pawn promotion */
9166 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9167 if(gameInfo.variant==VariantBughouse ||
9168 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9169 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9170 board[fromY][fromX] = EmptySquare;
9171 } else if ((fromY >= BOARD_HEIGHT>>1)
9173 && gameInfo.variant != VariantXiangqi
9174 && gameInfo.variant != VariantBerolina
9175 && (board[fromY][fromX] == WhitePawn)
9176 && (board[toY][toX] == EmptySquare)) {
9177 board[fromY][fromX] = EmptySquare;
9178 board[toY][toX] = WhitePawn;
9179 captured = board[toY - 1][toX];
9180 board[toY - 1][toX] = EmptySquare;
9181 } else if ((fromY == BOARD_HEIGHT-4)
9183 && gameInfo.variant == VariantBerolina
9184 && (board[fromY][fromX] == WhitePawn)
9185 && (board[toY][toX] == EmptySquare)) {
9186 board[fromY][fromX] = EmptySquare;
9187 board[toY][toX] = WhitePawn;
9188 if(oldEP & EP_BEROLIN_A) {
9189 captured = board[fromY][fromX-1];
9190 board[fromY][fromX-1] = EmptySquare;
9191 }else{ captured = board[fromY][fromX+1];
9192 board[fromY][fromX+1] = EmptySquare;
9194 } else if (board[fromY][fromX] == king
9195 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9196 && toY == fromY && toX > fromX+1) {
9197 board[fromY][fromX] = EmptySquare;
9198 board[toY][toX] = king;
9199 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9200 board[fromY][BOARD_RGHT-1] = EmptySquare;
9201 } else if (board[fromY][fromX] == king
9202 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9203 && toY == fromY && toX < fromX-1) {
9204 board[fromY][fromX] = EmptySquare;
9205 board[toY][toX] = king;
9206 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9207 board[fromY][BOARD_LEFT] = EmptySquare;
9208 } else if (fromY == 7 && fromX == 3
9209 && board[fromY][fromX] == BlackKing
9210 && toY == 7 && toX == 5) {
9211 board[fromY][fromX] = EmptySquare;
9212 board[toY][toX] = BlackKing;
9213 board[fromY][7] = EmptySquare;
9214 board[toY][4] = BlackRook;
9215 } else if (fromY == 7 && fromX == 3
9216 && board[fromY][fromX] == BlackKing
9217 && toY == 7 && toX == 1) {
9218 board[fromY][fromX] = EmptySquare;
9219 board[toY][toX] = BlackKing;
9220 board[fromY][0] = EmptySquare;
9221 board[toY][2] = BlackRook;
9222 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9223 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9224 && toY < promoRank && promoChar
9226 /* black pawn promotion */
9227 board[toY][toX] = CharToPiece(ToLower(promoChar));
9228 if(gameInfo.variant==VariantBughouse ||
9229 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9230 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9231 board[fromY][fromX] = EmptySquare;
9232 } else if ((fromY < BOARD_HEIGHT>>1)
9234 && gameInfo.variant != VariantXiangqi
9235 && gameInfo.variant != VariantBerolina
9236 && (board[fromY][fromX] == BlackPawn)
9237 && (board[toY][toX] == EmptySquare)) {
9238 board[fromY][fromX] = EmptySquare;
9239 board[toY][toX] = BlackPawn;
9240 captured = board[toY + 1][toX];
9241 board[toY + 1][toX] = EmptySquare;
9242 } else if ((fromY == 3)
9244 && gameInfo.variant == VariantBerolina
9245 && (board[fromY][fromX] == BlackPawn)
9246 && (board[toY][toX] == EmptySquare)) {
9247 board[fromY][fromX] = EmptySquare;
9248 board[toY][toX] = BlackPawn;
9249 if(oldEP & EP_BEROLIN_A) {
9250 captured = board[fromY][fromX-1];
9251 board[fromY][fromX-1] = EmptySquare;
9252 }else{ captured = board[fromY][fromX+1];
9253 board[fromY][fromX+1] = EmptySquare;
9256 board[toY][toX] = board[fromY][fromX];
9257 board[fromY][fromX] = EmptySquare;
9261 if (gameInfo.holdingsWidth != 0) {
9263 /* !!A lot more code needs to be written to support holdings */
9264 /* [HGM] OK, so I have written it. Holdings are stored in the */
9265 /* penultimate board files, so they are automaticlly stored */
9266 /* in the game history. */
9267 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9268 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9269 /* Delete from holdings, by decreasing count */
9270 /* and erasing image if necessary */
9271 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9272 if(p < (int) BlackPawn) { /* white drop */
9273 p -= (int)WhitePawn;
9274 p = PieceToNumber((ChessSquare)p);
9275 if(p >= gameInfo.holdingsSize) p = 0;
9276 if(--board[p][BOARD_WIDTH-2] <= 0)
9277 board[p][BOARD_WIDTH-1] = EmptySquare;
9278 if((int)board[p][BOARD_WIDTH-2] < 0)
9279 board[p][BOARD_WIDTH-2] = 0;
9280 } else { /* black drop */
9281 p -= (int)BlackPawn;
9282 p = PieceToNumber((ChessSquare)p);
9283 if(p >= gameInfo.holdingsSize) p = 0;
9284 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9285 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9286 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9287 board[BOARD_HEIGHT-1-p][1] = 0;
9290 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9291 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9292 /* [HGM] holdings: Add to holdings, if holdings exist */
9293 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9294 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9295 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9298 if (p >= (int) BlackPawn) {
9299 p -= (int)BlackPawn;
9300 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9301 /* in Shogi restore piece to its original first */
9302 captured = (ChessSquare) (DEMOTED captured);
9305 p = PieceToNumber((ChessSquare)p);
9306 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9307 board[p][BOARD_WIDTH-2]++;
9308 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9310 p -= (int)WhitePawn;
9311 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9312 captured = (ChessSquare) (DEMOTED captured);
9315 p = PieceToNumber((ChessSquare)p);
9316 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9317 board[BOARD_HEIGHT-1-p][1]++;
9318 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9321 } else if (gameInfo.variant == VariantAtomic) {
9322 if (captured != EmptySquare) {
9324 for (y = toY-1; y <= toY+1; y++) {
9325 for (x = toX-1; x <= toX+1; x++) {
9326 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9327 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9328 board[y][x] = EmptySquare;
9332 board[toY][toX] = EmptySquare;
9335 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9336 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9338 if(promoChar == '+') {
9339 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9340 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9341 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9342 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9344 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9345 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9346 // [HGM] superchess: take promotion piece out of holdings
9347 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9348 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9349 if(!--board[k][BOARD_WIDTH-2])
9350 board[k][BOARD_WIDTH-1] = EmptySquare;
9352 if(!--board[BOARD_HEIGHT-1-k][1])
9353 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9359 /* Updates forwardMostMove */
9361 MakeMove(fromX, fromY, toX, toY, promoChar)
9362 int fromX, fromY, toX, toY;
9365 // forwardMostMove++; // [HGM] bare: moved downstream
9367 (void) CoordsToAlgebraic(boards[forwardMostMove],
9368 PosFlags(forwardMostMove),
9369 fromY, fromX, toY, toX, promoChar,
9370 parseList[forwardMostMove]);
9372 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9373 int timeLeft; static int lastLoadFlag=0; int king, piece;
9374 piece = boards[forwardMostMove][fromY][fromX];
9375 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9376 if(gameInfo.variant == VariantKnightmate)
9377 king += (int) WhiteUnicorn - (int) WhiteKing;
9378 if(forwardMostMove == 0) {
9379 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9380 fprintf(serverMoves, "%s;", UserName());
9381 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9382 fprintf(serverMoves, "%s;", second.tidy);
9383 fprintf(serverMoves, "%s;", first.tidy);
9384 if(gameMode == MachinePlaysWhite)
9385 fprintf(serverMoves, "%s;", UserName());
9386 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9387 fprintf(serverMoves, "%s;", second.tidy);
9388 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9389 lastLoadFlag = loadFlag;
9391 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9392 // print castling suffix
9393 if( toY == fromY && piece == king ) {
9395 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9397 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9400 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9401 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9402 boards[forwardMostMove][toY][toX] == EmptySquare
9403 && fromX != toX && fromY != toY)
9404 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9406 if(promoChar != NULLCHAR)
9407 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9409 char buf[MOVE_LEN*2], *p; int len;
9410 fprintf(serverMoves, "/%d/%d",
9411 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9412 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9413 else timeLeft = blackTimeRemaining/1000;
9414 fprintf(serverMoves, "/%d", timeLeft);
9415 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9416 if(p = strchr(buf, '=')) *p = NULLCHAR;
9417 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9418 fprintf(serverMoves, "/%s", buf);
9420 fflush(serverMoves);
9423 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9424 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9428 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9429 if (commentList[forwardMostMove+1] != NULL) {
9430 free(commentList[forwardMostMove+1]);
9431 commentList[forwardMostMove+1] = NULL;
9433 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9434 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9435 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9436 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9437 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9438 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9439 gameInfo.result = GameUnfinished;
9440 if (gameInfo.resultDetails != NULL) {
9441 free(gameInfo.resultDetails);
9442 gameInfo.resultDetails = NULL;
9444 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9445 moveList[forwardMostMove - 1]);
9446 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9452 if(gameInfo.variant != VariantShogi)
9453 strcat(parseList[forwardMostMove - 1], "+");
9457 strcat(parseList[forwardMostMove - 1], "#");
9460 if (appData.debugMode) {
9461 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9466 /* Updates currentMove if not pausing */
9468 ShowMove(fromX, fromY, toX, toY)
9470 int instant = (gameMode == PlayFromGameFile) ?
9471 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9472 if(appData.noGUI) return;
9473 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9475 if (forwardMostMove == currentMove + 1) {
9476 AnimateMove(boards[forwardMostMove - 1],
9477 fromX, fromY, toX, toY);
9479 if (appData.highlightLastMove) {
9480 SetHighlights(fromX, fromY, toX, toY);
9483 currentMove = forwardMostMove;
9486 if (instant) return;
9488 DisplayMove(currentMove - 1);
9489 DrawPosition(FALSE, boards[currentMove]);
9490 DisplayBothClocks();
9491 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9492 DisplayBook(currentMove);
9495 void SendEgtPath(ChessProgramState *cps)
9496 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9497 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9499 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9502 char c, *q = name+1, *r, *s;
9504 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9505 while(*p && *p != ',') *q++ = *p++;
9507 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9508 strcmp(name, ",nalimov:") == 0 ) {
9509 // take nalimov path from the menu-changeable option first, if it is defined
9510 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9511 SendToProgram(buf,cps); // send egtbpath command for nalimov
9513 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9514 (s = StrStr(appData.egtFormats, name)) != NULL) {
9515 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9516 s = r = StrStr(s, ":") + 1; // beginning of path info
9517 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9518 c = *r; *r = 0; // temporarily null-terminate path info
9519 *--q = 0; // strip of trailig ':' from name
9520 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9522 SendToProgram(buf,cps); // send egtbpath command for this format
9524 if(*p == ',') p++; // read away comma to position for next format name
9529 InitChessProgram(cps, setup)
9530 ChessProgramState *cps;
9531 int setup; /* [HGM] needed to setup FRC opening position */
9533 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9534 if (appData.noChessProgram) return;
9535 hintRequested = FALSE;
9536 bookRequested = FALSE;
9538 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9539 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9540 if(cps->memSize) { /* [HGM] memory */
9541 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9542 SendToProgram(buf, cps);
9544 SendEgtPath(cps); /* [HGM] EGT */
9545 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9546 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9547 SendToProgram(buf, cps);
9550 SendToProgram(cps->initString, cps);
9551 if (gameInfo.variant != VariantNormal &&
9552 gameInfo.variant != VariantLoadable
9553 /* [HGM] also send variant if board size non-standard */
9554 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9556 char *v = VariantName(gameInfo.variant);
9557 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9558 /* [HGM] in protocol 1 we have to assume all variants valid */
9559 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9560 DisplayFatalError(buf, 0, 1);
9564 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9565 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9566 if( gameInfo.variant == VariantXiangqi )
9567 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9568 if( gameInfo.variant == VariantShogi )
9569 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9570 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9571 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9572 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9573 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9574 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9575 if( gameInfo.variant == VariantCourier )
9576 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9577 if( gameInfo.variant == VariantSuper )
9578 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9579 if( gameInfo.variant == VariantGreat )
9580 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9581 if( gameInfo.variant == VariantSChess )
9582 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9583 if( gameInfo.variant == VariantGrand )
9584 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9587 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9588 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9589 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9590 if(StrStr(cps->variants, b) == NULL) {
9591 // specific sized variant not known, check if general sizing allowed
9592 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9593 if(StrStr(cps->variants, "boardsize") == NULL) {
9594 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9595 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9596 DisplayFatalError(buf, 0, 1);
9599 /* [HGM] here we really should compare with the maximum supported board size */
9602 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9603 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9604 SendToProgram(buf, cps);
9606 currentlyInitializedVariant = gameInfo.variant;
9608 /* [HGM] send opening position in FRC to first engine */
9610 SendToProgram("force\n", cps);
9612 /* engine is now in force mode! Set flag to wake it up after first move. */
9613 setboardSpoiledMachineBlack = 1;
9617 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9618 SendToProgram(buf, cps);
9620 cps->maybeThinking = FALSE;
9621 cps->offeredDraw = 0;
9622 if (!appData.icsActive) {
9623 SendTimeControl(cps, movesPerSession, timeControl,
9624 timeIncrement, appData.searchDepth,
9627 if (appData.showThinking
9628 // [HGM] thinking: four options require thinking output to be sent
9629 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9631 SendToProgram("post\n", cps);
9633 SendToProgram("hard\n", cps);
9634 if (!appData.ponderNextMove) {
9635 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9636 it without being sure what state we are in first. "hard"
9637 is not a toggle, so that one is OK.
9639 SendToProgram("easy\n", cps);
9642 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9643 SendToProgram(buf, cps);
9645 cps->initDone = TRUE;
9646 ClearEngineOutputPane(cps == &second);
9651 StartChessProgram(cps)
9652 ChessProgramState *cps;
9657 if (appData.noChessProgram) return;
9658 cps->initDone = FALSE;
9660 if (strcmp(cps->host, "localhost") == 0) {
9661 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9662 } else if (*appData.remoteShell == NULLCHAR) {
9663 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9665 if (*appData.remoteUser == NULLCHAR) {
9666 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9669 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9670 cps->host, appData.remoteUser, cps->program);
9672 err = StartChildProcess(buf, "", &cps->pr);
9676 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9677 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9678 if(cps != &first) return;
9679 appData.noChessProgram = TRUE;
9682 // DisplayFatalError(buf, err, 1);
9683 // cps->pr = NoProc;
9688 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9689 if (cps->protocolVersion > 1) {
9690 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9691 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9692 cps->comboCnt = 0; // and values of combo boxes
9693 SendToProgram(buf, cps);
9695 SendToProgram("xboard\n", cps);
9700 TwoMachinesEventIfReady P((void))
9702 static int curMess = 0;
9703 if (first.lastPing != first.lastPong) {
9704 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9705 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9708 if (second.lastPing != second.lastPong) {
9709 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9710 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9713 DisplayMessage("", ""); curMess = 0;
9719 MakeName(char *template)
9723 static char buf[MSG_SIZ];
9727 clock = time((time_t *)NULL);
9728 tm = localtime(&clock);
9730 while(*p++ = *template++) if(p[-1] == '%') {
9731 switch(*template++) {
9732 case 0: *p = 0; return buf;
9733 case 'Y': i = tm->tm_year+1900; break;
9734 case 'y': i = tm->tm_year-100; break;
9735 case 'M': i = tm->tm_mon+1; break;
9736 case 'd': i = tm->tm_mday; break;
9737 case 'h': i = tm->tm_hour; break;
9738 case 'm': i = tm->tm_min; break;
9739 case 's': i = tm->tm_sec; break;
9742 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9748 CountPlayers(char *p)
9751 while(p = strchr(p, '\n')) p++, n++; // count participants
9756 WriteTourneyFile(char *results, FILE *f)
9757 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9758 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9759 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9760 // create a file with tournament description
9761 fprintf(f, "-participants {%s}\n", appData.participants);
9762 fprintf(f, "-seedBase %d\n", appData.seedBase);
9763 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9764 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9765 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9766 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9767 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9768 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9769 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9770 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9771 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9772 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9773 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9775 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9777 fprintf(f, "-mps %d\n", appData.movesPerSession);
9778 fprintf(f, "-tc %s\n", appData.timeControl);
9779 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9781 fprintf(f, "-results \"%s\"\n", results);
9786 #define MAXENGINES 1000
9787 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9789 void Substitute(char *participants, int expunge)
9791 int i, changed, changes=0, nPlayers=0;
9792 char *p, *q, *r, buf[MSG_SIZ];
9793 if(participants == NULL) return;
9794 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9795 r = p = participants; q = appData.participants;
9796 while(*p && *p == *q) {
9797 if(*p == '\n') r = p+1, nPlayers++;
9800 if(*p) { // difference
9801 while(*p && *p++ != '\n');
9802 while(*q && *q++ != '\n');
9804 changes = 1 + (strcmp(p, q) != 0);
9806 if(changes == 1) { // a single engine mnemonic was changed
9807 q = r; while(*q) nPlayers += (*q++ == '\n');
9808 p = buf; while(*r && (*p = *r++) != '\n') p++;
9810 NamesToList(firstChessProgramNames, command, mnemonic);
9811 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9812 if(mnemonic[i]) { // The substitute is valid
9814 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9815 flock(fileno(f), LOCK_EX);
9816 ParseArgsFromFile(f);
9817 fseek(f, 0, SEEK_SET);
9818 FREE(appData.participants); appData.participants = participants;
9819 if(expunge) { // erase results of replaced engine
9820 int len = strlen(appData.results), w, b, dummy;
9821 for(i=0; i<len; i++) {
9822 Pairing(i, nPlayers, &w, &b, &dummy);
9823 if((w == changed || b == changed) && appData.results[i] == '*') {
9824 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9829 for(i=0; i<len; i++) {
9830 Pairing(i, nPlayers, &w, &b, &dummy);
9831 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9834 WriteTourneyFile(appData.results, f);
9835 fclose(f); // release lock
9838 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9840 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9841 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9847 CreateTourney(char *name)
9850 if(matchMode && strcmp(name, appData.tourneyFile)) {
9851 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9853 if(name[0] == NULLCHAR) {
9854 if(appData.participants[0])
9855 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9858 f = fopen(name, "r");
9859 if(f) { // file exists
9860 ASSIGN(appData.tourneyFile, name);
9861 ParseArgsFromFile(f); // parse it
9863 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9864 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9865 DisplayError(_("Not enough participants"), 0);
9868 ASSIGN(appData.tourneyFile, name);
9869 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9870 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9873 appData.noChessProgram = FALSE;
9874 appData.clockMode = TRUE;
9879 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9881 char buf[MSG_SIZ], *p, *q;
9885 while(*p && *p != '\n') *q++ = *p++;
9887 if(engineList[i]) free(engineList[i]);
9888 engineList[i] = strdup(buf);
9890 TidyProgramName(engineList[i], "localhost", buf);
9891 if(engineMnemonic[i]) free(engineMnemonic[i]);
9892 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9894 sscanf(q + 8, "%s", buf + strlen(buf));
9897 engineMnemonic[i] = strdup(buf);
9899 if(i > MAXENGINES - 2) break;
9901 engineList[i] = engineMnemonic[i] = NULL;
9904 // following implemented as macro to avoid type limitations
9905 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9907 void SwapEngines(int n)
9908 { // swap settings for first engine and other engine (so far only some selected options)
9913 SWAP(chessProgram, p)
9915 SWAP(hasOwnBookUCI, h)
9916 SWAP(protocolVersion, h)
9918 SWAP(scoreIsAbsolute, h)
9926 SetPlayer(int player)
9927 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9929 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9930 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9931 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9932 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9934 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9935 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9936 ParseArgsFromString(buf);
9942 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9943 { // determine players from game number
9944 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9946 if(appData.tourneyType == 0) {
9947 roundsPerCycle = (nPlayers - 1) | 1;
9948 pairingsPerRound = nPlayers / 2;
9949 } else if(appData.tourneyType > 0) {
9950 roundsPerCycle = nPlayers - appData.tourneyType;
9951 pairingsPerRound = appData.tourneyType;
9953 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9954 gamesPerCycle = gamesPerRound * roundsPerCycle;
9955 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9956 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9957 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9958 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9959 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9960 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9962 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9963 if(appData.roundSync) *syncInterval = gamesPerRound;
9965 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9967 if(appData.tourneyType == 0) {
9968 if(curPairing == (nPlayers-1)/2 ) {
9969 *whitePlayer = curRound;
9970 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9972 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9973 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9974 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9975 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9977 } else if(appData.tourneyType > 0) {
9978 *whitePlayer = curPairing;
9979 *blackPlayer = curRound + appData.tourneyType;
9982 // take care of white/black alternation per round.
9983 // For cycles and games this is already taken care of by default, derived from matchGame!
9984 return curRound & 1;
9988 NextTourneyGame(int nr, int *swapColors)
9989 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9991 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9993 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9994 tf = fopen(appData.tourneyFile, "r");
9995 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9996 ParseArgsFromFile(tf); fclose(tf);
9997 InitTimeControls(); // TC might be altered from tourney file
9999 nPlayers = CountPlayers(appData.participants); // count participants
10000 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10001 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10004 p = q = appData.results;
10005 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10006 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10007 DisplayMessage(_("Waiting for other game(s)"),"");
10008 waitingForGame = TRUE;
10009 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10012 waitingForGame = FALSE;
10015 if(appData.tourneyType < 0) {
10016 if(nr>=0 && !pairingReceived) {
10018 if(pairing.pr == NoProc) {
10019 if(!appData.pairingEngine[0]) {
10020 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10023 StartChessProgram(&pairing); // starts the pairing engine
10025 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10026 SendToProgram(buf, &pairing);
10027 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10028 SendToProgram(buf, &pairing);
10029 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10031 pairingReceived = 0; // ... so we continue here
10033 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10034 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10035 matchGame = 1; roundNr = nr / syncInterval + 1;
10038 if(first.pr != NoProc) return 1; // engines already loaded
10040 // redefine engines, engine dir, etc.
10041 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10042 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10044 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10045 SwapEngines(1); // and make that valid for second engine by swapping
10046 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10047 InitEngine(&second, 1);
10048 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10049 UpdateLogos(FALSE); // leave display to ModeHiglight()
10055 { // performs game initialization that does not invoke engines, and then tries to start the game
10056 int res, firstWhite, swapColors = 0;
10057 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10058 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10059 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10060 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10061 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10062 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10063 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10064 Reset(FALSE, first.pr != NoProc);
10065 res = LoadGameOrPosition(matchGame); // setup game
10066 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10067 if(!res) return; // abort when bad game/pos file
10068 TwoMachinesEvent();
10071 void UserAdjudicationEvent( int result )
10073 ChessMove gameResult = GameIsDrawn;
10076 gameResult = WhiteWins;
10078 else if( result < 0 ) {
10079 gameResult = BlackWins;
10082 if( gameMode == TwoMachinesPlay ) {
10083 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10088 // [HGM] save: calculate checksum of game to make games easily identifiable
10089 int StringCheckSum(char *s)
10092 if(s==NULL) return 0;
10093 while(*s) i = i*259 + *s++;
10100 for(i=backwardMostMove; i<forwardMostMove; i++) {
10101 sum += pvInfoList[i].depth;
10102 sum += StringCheckSum(parseList[i]);
10103 sum += StringCheckSum(commentList[i]);
10106 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10107 return sum + StringCheckSum(commentList[i]);
10108 } // end of save patch
10111 GameEnds(result, resultDetails, whosays)
10113 char *resultDetails;
10116 GameMode nextGameMode;
10118 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10120 if(endingGame) return; /* [HGM] crash: forbid recursion */
10122 if(twoBoards) { // [HGM] dual: switch back to one board
10123 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10124 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10126 if (appData.debugMode) {
10127 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10128 result, resultDetails ? resultDetails : "(null)", whosays);
10131 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10133 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10134 /* If we are playing on ICS, the server decides when the
10135 game is over, but the engine can offer to draw, claim
10139 if (appData.zippyPlay && first.initDone) {
10140 if (result == GameIsDrawn) {
10141 /* In case draw still needs to be claimed */
10142 SendToICS(ics_prefix);
10143 SendToICS("draw\n");
10144 } else if (StrCaseStr(resultDetails, "resign")) {
10145 SendToICS(ics_prefix);
10146 SendToICS("resign\n");
10150 endingGame = 0; /* [HGM] crash */
10154 /* If we're loading the game from a file, stop */
10155 if (whosays == GE_FILE) {
10156 (void) StopLoadGameTimer();
10160 /* Cancel draw offers */
10161 first.offeredDraw = second.offeredDraw = 0;
10163 /* If this is an ICS game, only ICS can really say it's done;
10164 if not, anyone can. */
10165 isIcsGame = (gameMode == IcsPlayingWhite ||
10166 gameMode == IcsPlayingBlack ||
10167 gameMode == IcsObserving ||
10168 gameMode == IcsExamining);
10170 if (!isIcsGame || whosays == GE_ICS) {
10171 /* OK -- not an ICS game, or ICS said it was done */
10173 if (!isIcsGame && !appData.noChessProgram)
10174 SetUserThinkingEnables();
10176 /* [HGM] if a machine claims the game end we verify this claim */
10177 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10178 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10180 ChessMove trueResult = (ChessMove) -1;
10182 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10183 first.twoMachinesColor[0] :
10184 second.twoMachinesColor[0] ;
10186 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10187 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10188 /* [HGM] verify: engine mate claims accepted if they were flagged */
10189 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10191 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10192 /* [HGM] verify: engine mate claims accepted if they were flagged */
10193 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10195 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10196 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10199 // now verify win claims, but not in drop games, as we don't understand those yet
10200 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10201 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10202 (result == WhiteWins && claimer == 'w' ||
10203 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10204 if (appData.debugMode) {
10205 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10206 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10208 if(result != trueResult) {
10209 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10210 result = claimer == 'w' ? BlackWins : WhiteWins;
10211 resultDetails = buf;
10214 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10215 && (forwardMostMove <= backwardMostMove ||
10216 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10217 (claimer=='b')==(forwardMostMove&1))
10219 /* [HGM] verify: draws that were not flagged are false claims */
10220 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10221 result = claimer == 'w' ? BlackWins : WhiteWins;
10222 resultDetails = buf;
10224 /* (Claiming a loss is accepted no questions asked!) */
10226 /* [HGM] bare: don't allow bare King to win */
10227 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10228 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10229 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10230 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10231 && result != GameIsDrawn)
10232 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10233 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10234 int p = (signed char)boards[forwardMostMove][i][j] - color;
10235 if(p >= 0 && p <= (int)WhiteKing) k++;
10237 if (appData.debugMode) {
10238 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10239 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10242 result = GameIsDrawn;
10243 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10244 resultDetails = buf;
10250 if(serverMoves != NULL && !loadFlag) { char c = '=';
10251 if(result==WhiteWins) c = '+';
10252 if(result==BlackWins) c = '-';
10253 if(resultDetails != NULL)
10254 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10256 if (resultDetails != NULL) {
10257 gameInfo.result = result;
10258 gameInfo.resultDetails = StrSave(resultDetails);
10260 /* display last move only if game was not loaded from file */
10261 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10262 DisplayMove(currentMove - 1);
10264 if (forwardMostMove != 0) {
10265 if (gameMode != PlayFromGameFile && gameMode != EditGame
10266 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10268 if (*appData.saveGameFile != NULLCHAR) {
10269 SaveGameToFile(appData.saveGameFile, TRUE);
10270 } else if (appData.autoSaveGames) {
10273 if (*appData.savePositionFile != NULLCHAR) {
10274 SavePositionToFile(appData.savePositionFile);
10279 /* Tell program how game ended in case it is learning */
10280 /* [HGM] Moved this to after saving the PGN, just in case */
10281 /* engine died and we got here through time loss. In that */
10282 /* case we will get a fatal error writing the pipe, which */
10283 /* would otherwise lose us the PGN. */
10284 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10285 /* output during GameEnds should never be fatal anymore */
10286 if (gameMode == MachinePlaysWhite ||
10287 gameMode == MachinePlaysBlack ||
10288 gameMode == TwoMachinesPlay ||
10289 gameMode == IcsPlayingWhite ||
10290 gameMode == IcsPlayingBlack ||
10291 gameMode == BeginningOfGame) {
10293 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10295 if (first.pr != NoProc) {
10296 SendToProgram(buf, &first);
10298 if (second.pr != NoProc &&
10299 gameMode == TwoMachinesPlay) {
10300 SendToProgram(buf, &second);
10305 if (appData.icsActive) {
10306 if (appData.quietPlay &&
10307 (gameMode == IcsPlayingWhite ||
10308 gameMode == IcsPlayingBlack)) {
10309 SendToICS(ics_prefix);
10310 SendToICS("set shout 1\n");
10312 nextGameMode = IcsIdle;
10313 ics_user_moved = FALSE;
10314 /* clean up premove. It's ugly when the game has ended and the
10315 * premove highlights are still on the board.
10318 gotPremove = FALSE;
10319 ClearPremoveHighlights();
10320 DrawPosition(FALSE, boards[currentMove]);
10322 if (whosays == GE_ICS) {
10325 if (gameMode == IcsPlayingWhite)
10327 else if(gameMode == IcsPlayingBlack)
10328 PlayIcsLossSound();
10331 if (gameMode == IcsPlayingBlack)
10333 else if(gameMode == IcsPlayingWhite)
10334 PlayIcsLossSound();
10337 PlayIcsDrawSound();
10340 PlayIcsUnfinishedSound();
10343 } else if (gameMode == EditGame ||
10344 gameMode == PlayFromGameFile ||
10345 gameMode == AnalyzeMode ||
10346 gameMode == AnalyzeFile) {
10347 nextGameMode = gameMode;
10349 nextGameMode = EndOfGame;
10354 nextGameMode = gameMode;
10357 if (appData.noChessProgram) {
10358 gameMode = nextGameMode;
10360 endingGame = 0; /* [HGM] crash */
10365 /* Put first chess program into idle state */
10366 if (first.pr != NoProc &&
10367 (gameMode == MachinePlaysWhite ||
10368 gameMode == MachinePlaysBlack ||
10369 gameMode == TwoMachinesPlay ||
10370 gameMode == IcsPlayingWhite ||
10371 gameMode == IcsPlayingBlack ||
10372 gameMode == BeginningOfGame)) {
10373 SendToProgram("force\n", &first);
10374 if (first.usePing) {
10376 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10377 SendToProgram(buf, &first);
10380 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10381 /* Kill off first chess program */
10382 if (first.isr != NULL)
10383 RemoveInputSource(first.isr);
10386 if (first.pr != NoProc) {
10388 DoSleep( appData.delayBeforeQuit );
10389 SendToProgram("quit\n", &first);
10390 DoSleep( appData.delayAfterQuit );
10391 DestroyChildProcess(first.pr, first.useSigterm);
10395 if (second.reuse) {
10396 /* Put second chess program into idle state */
10397 if (second.pr != NoProc &&
10398 gameMode == TwoMachinesPlay) {
10399 SendToProgram("force\n", &second);
10400 if (second.usePing) {
10402 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10403 SendToProgram(buf, &second);
10406 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10407 /* Kill off second chess program */
10408 if (second.isr != NULL)
10409 RemoveInputSource(second.isr);
10412 if (second.pr != NoProc) {
10413 DoSleep( appData.delayBeforeQuit );
10414 SendToProgram("quit\n", &second);
10415 DoSleep( appData.delayAfterQuit );
10416 DestroyChildProcess(second.pr, second.useSigterm);
10418 second.pr = NoProc;
10421 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10422 char resChar = '=';
10426 if (first.twoMachinesColor[0] == 'w') {
10429 second.matchWins++;
10434 if (first.twoMachinesColor[0] == 'b') {
10437 second.matchWins++;
10440 case GameUnfinished:
10446 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10447 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10448 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10449 ReserveGame(nextGame, resChar); // sets nextGame
10450 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10451 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10452 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10454 if (nextGame <= appData.matchGames && !abortMatch) {
10455 gameMode = nextGameMode;
10456 matchGame = nextGame; // this will be overruled in tourney mode!
10457 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10458 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10459 endingGame = 0; /* [HGM] crash */
10462 gameMode = nextGameMode;
10463 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10464 first.tidy, second.tidy,
10465 first.matchWins, second.matchWins,
10466 appData.matchGames - (first.matchWins + second.matchWins));
10467 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10468 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10469 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10470 first.twoMachinesColor = "black\n";
10471 second.twoMachinesColor = "white\n";
10473 first.twoMachinesColor = "white\n";
10474 second.twoMachinesColor = "black\n";
10478 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10479 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10481 gameMode = nextGameMode;
10483 endingGame = 0; /* [HGM] crash */
10484 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10485 if(matchMode == TRUE) { // match through command line: exit with or without popup
10487 ToNrEvent(forwardMostMove);
10488 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10490 } else DisplayFatalError(buf, 0, 0);
10491 } else { // match through menu; just stop, with or without popup
10492 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10495 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10496 } else DisplayNote(buf);
10498 if(ranking) free(ranking);
10502 /* Assumes program was just initialized (initString sent).
10503 Leaves program in force mode. */
10505 FeedMovesToProgram(cps, upto)
10506 ChessProgramState *cps;
10511 if (appData.debugMode)
10512 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10513 startedFromSetupPosition ? "position and " : "",
10514 backwardMostMove, upto, cps->which);
10515 if(currentlyInitializedVariant != gameInfo.variant) {
10517 // [HGM] variantswitch: make engine aware of new variant
10518 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10519 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10520 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10521 SendToProgram(buf, cps);
10522 currentlyInitializedVariant = gameInfo.variant;
10524 SendToProgram("force\n", cps);
10525 if (startedFromSetupPosition) {
10526 SendBoard(cps, backwardMostMove);
10527 if (appData.debugMode) {
10528 fprintf(debugFP, "feedMoves\n");
10531 for (i = backwardMostMove; i < upto; i++) {
10532 SendMoveToProgram(i, cps);
10538 ResurrectChessProgram()
10540 /* The chess program may have exited.
10541 If so, restart it and feed it all the moves made so far. */
10542 static int doInit = 0;
10544 if (appData.noChessProgram) return 1;
10546 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10547 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10548 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10549 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10551 if (first.pr != NoProc) return 1;
10552 StartChessProgram(&first);
10554 InitChessProgram(&first, FALSE);
10555 FeedMovesToProgram(&first, currentMove);
10557 if (!first.sendTime) {
10558 /* can't tell gnuchess what its clock should read,
10559 so we bow to its notion. */
10561 timeRemaining[0][currentMove] = whiteTimeRemaining;
10562 timeRemaining[1][currentMove] = blackTimeRemaining;
10565 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10566 appData.icsEngineAnalyze) && first.analysisSupport) {
10567 SendToProgram("analyze\n", &first);
10568 first.analyzing = TRUE;
10574 * Button procedures
10577 Reset(redraw, init)
10582 if (appData.debugMode) {
10583 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10584 redraw, init, gameMode);
10586 CleanupTail(); // [HGM] vari: delete any stored variations
10587 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10588 pausing = pauseExamInvalid = FALSE;
10589 startedFromSetupPosition = blackPlaysFirst = FALSE;
10591 whiteFlag = blackFlag = FALSE;
10592 userOfferedDraw = FALSE;
10593 hintRequested = bookRequested = FALSE;
10594 first.maybeThinking = FALSE;
10595 second.maybeThinking = FALSE;
10596 first.bookSuspend = FALSE; // [HGM] book
10597 second.bookSuspend = FALSE;
10598 thinkOutput[0] = NULLCHAR;
10599 lastHint[0] = NULLCHAR;
10600 ClearGameInfo(&gameInfo);
10601 gameInfo.variant = StringToVariant(appData.variant);
10602 ics_user_moved = ics_clock_paused = FALSE;
10603 ics_getting_history = H_FALSE;
10605 white_holding[0] = black_holding[0] = NULLCHAR;
10606 ClearProgramStats();
10607 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10611 flipView = appData.flipView;
10612 ClearPremoveHighlights();
10613 gotPremove = FALSE;
10614 alarmSounded = FALSE;
10616 GameEnds(EndOfFile, NULL, GE_PLAYER);
10617 if(appData.serverMovesName != NULL) {
10618 /* [HGM] prepare to make moves file for broadcasting */
10619 clock_t t = clock();
10620 if(serverMoves != NULL) fclose(serverMoves);
10621 serverMoves = fopen(appData.serverMovesName, "r");
10622 if(serverMoves != NULL) {
10623 fclose(serverMoves);
10624 /* delay 15 sec before overwriting, so all clients can see end */
10625 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10627 serverMoves = fopen(appData.serverMovesName, "w");
10631 gameMode = BeginningOfGame;
10633 if(appData.icsActive) gameInfo.variant = VariantNormal;
10634 currentMove = forwardMostMove = backwardMostMove = 0;
10635 InitPosition(redraw);
10636 for (i = 0; i < MAX_MOVES; i++) {
10637 if (commentList[i] != NULL) {
10638 free(commentList[i]);
10639 commentList[i] = NULL;
10643 timeRemaining[0][0] = whiteTimeRemaining;
10644 timeRemaining[1][0] = blackTimeRemaining;
10646 if (first.pr == NULL) {
10647 StartChessProgram(&first);
10650 InitChessProgram(&first, startedFromSetupPosition);
10653 DisplayMessage("", "");
10654 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10655 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10662 if (!AutoPlayOneMove())
10664 if (matchMode || appData.timeDelay == 0)
10666 if (appData.timeDelay < 0)
10668 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10677 int fromX, fromY, toX, toY;
10679 if (appData.debugMode) {
10680 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10683 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10686 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10687 pvInfoList[currentMove].depth = programStats.depth;
10688 pvInfoList[currentMove].score = programStats.score;
10689 pvInfoList[currentMove].time = 0;
10690 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10693 if (currentMove >= forwardMostMove) {
10694 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10695 // gameMode = EndOfGame;
10696 // ModeHighlight();
10698 /* [AS] Clear current move marker at the end of a game */
10699 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10704 toX = moveList[currentMove][2] - AAA;
10705 toY = moveList[currentMove][3] - ONE;
10707 if (moveList[currentMove][1] == '@') {
10708 if (appData.highlightLastMove) {
10709 SetHighlights(-1, -1, toX, toY);
10712 fromX = moveList[currentMove][0] - AAA;
10713 fromY = moveList[currentMove][1] - ONE;
10715 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10717 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10719 if (appData.highlightLastMove) {
10720 SetHighlights(fromX, fromY, toX, toY);
10723 DisplayMove(currentMove);
10724 SendMoveToProgram(currentMove++, &first);
10725 DisplayBothClocks();
10726 DrawPosition(FALSE, boards[currentMove]);
10727 // [HGM] PV info: always display, routine tests if empty
10728 DisplayComment(currentMove - 1, commentList[currentMove]);
10734 LoadGameOneMove(readAhead)
10735 ChessMove readAhead;
10737 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10738 char promoChar = NULLCHAR;
10739 ChessMove moveType;
10740 char move[MSG_SIZ];
10743 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10744 gameMode != AnalyzeMode && gameMode != Training) {
10749 yyboardindex = forwardMostMove;
10750 if (readAhead != EndOfFile) {
10751 moveType = readAhead;
10753 if (gameFileFP == NULL)
10755 moveType = (ChessMove) Myylex();
10759 switch (moveType) {
10761 if (appData.debugMode)
10762 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10765 /* append the comment but don't display it */
10766 AppendComment(currentMove, p, FALSE);
10769 case WhiteCapturesEnPassant:
10770 case BlackCapturesEnPassant:
10771 case WhitePromotion:
10772 case BlackPromotion:
10773 case WhiteNonPromotion:
10774 case BlackNonPromotion:
10776 case WhiteKingSideCastle:
10777 case WhiteQueenSideCastle:
10778 case BlackKingSideCastle:
10779 case BlackQueenSideCastle:
10780 case WhiteKingSideCastleWild:
10781 case WhiteQueenSideCastleWild:
10782 case BlackKingSideCastleWild:
10783 case BlackQueenSideCastleWild:
10785 case WhiteHSideCastleFR:
10786 case WhiteASideCastleFR:
10787 case BlackHSideCastleFR:
10788 case BlackASideCastleFR:
10790 if (appData.debugMode)
10791 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10792 fromX = currentMoveString[0] - AAA;
10793 fromY = currentMoveString[1] - ONE;
10794 toX = currentMoveString[2] - AAA;
10795 toY = currentMoveString[3] - ONE;
10796 promoChar = currentMoveString[4];
10801 if (appData.debugMode)
10802 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10803 fromX = moveType == WhiteDrop ?
10804 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10805 (int) CharToPiece(ToLower(currentMoveString[0]));
10807 toX = currentMoveString[2] - AAA;
10808 toY = currentMoveString[3] - ONE;
10814 case GameUnfinished:
10815 if (appData.debugMode)
10816 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10817 p = strchr(yy_text, '{');
10818 if (p == NULL) p = strchr(yy_text, '(');
10821 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10823 q = strchr(p, *p == '{' ? '}' : ')');
10824 if (q != NULL) *q = NULLCHAR;
10827 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10828 GameEnds(moveType, p, GE_FILE);
10830 if (cmailMsgLoaded) {
10832 flipView = WhiteOnMove(currentMove);
10833 if (moveType == GameUnfinished) flipView = !flipView;
10834 if (appData.debugMode)
10835 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10840 if (appData.debugMode)
10841 fprintf(debugFP, "Parser hit end of file\n");
10842 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10848 if (WhiteOnMove(currentMove)) {
10849 GameEnds(BlackWins, "Black mates", GE_FILE);
10851 GameEnds(WhiteWins, "White mates", GE_FILE);
10855 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10861 case MoveNumberOne:
10862 if (lastLoadGameStart == GNUChessGame) {
10863 /* GNUChessGames have numbers, but they aren't move numbers */
10864 if (appData.debugMode)
10865 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10866 yy_text, (int) moveType);
10867 return LoadGameOneMove(EndOfFile); /* tail recursion */
10869 /* else fall thru */
10874 /* Reached start of next game in file */
10875 if (appData.debugMode)
10876 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10877 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10883 if (WhiteOnMove(currentMove)) {
10884 GameEnds(BlackWins, "Black mates", GE_FILE);
10886 GameEnds(WhiteWins, "White mates", GE_FILE);
10890 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10896 case PositionDiagram: /* should not happen; ignore */
10897 case ElapsedTime: /* ignore */
10898 case NAG: /* ignore */
10899 if (appData.debugMode)
10900 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10901 yy_text, (int) moveType);
10902 return LoadGameOneMove(EndOfFile); /* tail recursion */
10905 if (appData.testLegality) {
10906 if (appData.debugMode)
10907 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10908 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10909 (forwardMostMove / 2) + 1,
10910 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10911 DisplayError(move, 0);
10914 if (appData.debugMode)
10915 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10916 yy_text, currentMoveString);
10917 fromX = currentMoveString[0] - AAA;
10918 fromY = currentMoveString[1] - ONE;
10919 toX = currentMoveString[2] - AAA;
10920 toY = currentMoveString[3] - ONE;
10921 promoChar = currentMoveString[4];
10925 case AmbiguousMove:
10926 if (appData.debugMode)
10927 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10928 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10929 (forwardMostMove / 2) + 1,
10930 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10931 DisplayError(move, 0);
10936 case ImpossibleMove:
10937 if (appData.debugMode)
10938 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10939 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10940 (forwardMostMove / 2) + 1,
10941 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10942 DisplayError(move, 0);
10948 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10949 DrawPosition(FALSE, boards[currentMove]);
10950 DisplayBothClocks();
10951 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10952 DisplayComment(currentMove - 1, commentList[currentMove]);
10954 (void) StopLoadGameTimer();
10956 cmailOldMove = forwardMostMove;
10959 /* currentMoveString is set as a side-effect of yylex */
10961 thinkOutput[0] = NULLCHAR;
10962 MakeMove(fromX, fromY, toX, toY, promoChar);
10963 currentMove = forwardMostMove;
10968 /* Load the nth game from the given file */
10970 LoadGameFromFile(filename, n, title, useList)
10974 /*Boolean*/ int useList;
10979 if (strcmp(filename, "-") == 0) {
10983 f = fopen(filename, "rb");
10985 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10986 DisplayError(buf, errno);
10990 if (fseek(f, 0, 0) == -1) {
10991 /* f is not seekable; probably a pipe */
10994 if (useList && n == 0) {
10995 int error = GameListBuild(f);
10997 DisplayError(_("Cannot build game list"), error);
10998 } else if (!ListEmpty(&gameList) &&
10999 ((ListGame *) gameList.tailPred)->number > 1) {
11000 GameListPopUp(f, title);
11007 return LoadGame(f, n, title, FALSE);
11012 MakeRegisteredMove()
11014 int fromX, fromY, toX, toY;
11016 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11017 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11020 if (appData.debugMode)
11021 fprintf(debugFP, "Restoring %s for game %d\n",
11022 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11024 thinkOutput[0] = NULLCHAR;
11025 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11026 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11027 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11028 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11029 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11030 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11031 MakeMove(fromX, fromY, toX, toY, promoChar);
11032 ShowMove(fromX, fromY, toX, toY);
11034 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11041 if (WhiteOnMove(currentMove)) {
11042 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11044 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11049 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11056 if (WhiteOnMove(currentMove)) {
11057 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11059 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11064 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11075 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11077 CmailLoadGame(f, gameNumber, title, useList)
11085 if (gameNumber > nCmailGames) {
11086 DisplayError(_("No more games in this message"), 0);
11089 if (f == lastLoadGameFP) {
11090 int offset = gameNumber - lastLoadGameNumber;
11092 cmailMsg[0] = NULLCHAR;
11093 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11094 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11095 nCmailMovesRegistered--;
11097 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11098 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11099 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11102 if (! RegisterMove()) return FALSE;
11106 retVal = LoadGame(f, gameNumber, title, useList);
11108 /* Make move registered during previous look at this game, if any */
11109 MakeRegisteredMove();
11111 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11112 commentList[currentMove]
11113 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11114 DisplayComment(currentMove - 1, commentList[currentMove]);
11120 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11125 int gameNumber = lastLoadGameNumber + offset;
11126 if (lastLoadGameFP == NULL) {
11127 DisplayError(_("No game has been loaded yet"), 0);
11130 if (gameNumber <= 0) {
11131 DisplayError(_("Can't back up any further"), 0);
11134 if (cmailMsgLoaded) {
11135 return CmailLoadGame(lastLoadGameFP, gameNumber,
11136 lastLoadGameTitle, lastLoadGameUseList);
11138 return LoadGame(lastLoadGameFP, gameNumber,
11139 lastLoadGameTitle, lastLoadGameUseList);
11143 int keys[EmptySquare+1];
11146 PositionMatches(Board b1, Board b2)
11149 switch(appData.searchMode) {
11150 case 1: return CompareWithRights(b1, b2);
11152 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11153 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11157 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11158 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11159 sum += keys[b1[r][f]] - keys[b2[r][f]];
11163 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11164 sum += keys[b1[r][f]] - keys[b2[r][f]];
11171 GameInfo dummyInfo;
11173 int GameContainsPosition(FILE *f, ListGame *lg)
11175 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11176 int fromX, fromY, toX, toY;
11178 static int initDone=FALSE;
11181 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11184 dummyInfo.variant = VariantNormal;
11185 FREE(dummyInfo.fen); dummyInfo.fen = NULL;
11186 dummyInfo.whiteRating = 0;
11187 dummyInfo.blackRating = 0;
11188 FREE(dummyInfo.date); dummyInfo.date = NULL;
11189 fseek(f, lg->offset, 0);
11191 CopyBoard(boards[scratch], initialPosition); // default start position
11193 yyboardindex = scratch + (plyNr&1);
11199 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11201 ParsePGNTag(yy_text, &dummyInfo); // this has a bad memory leak...
11202 if(dummyInfo.fen) ParseFEN(boards[scratch], &btm, dummyInfo.fen), free(dummyInfo.fen), dummyInfo.fen = NULL;
11204 // do it ourselves avoiding malloc
11205 { char *p = yy_text+1, *q;
11206 while(!isdigit(*p) && !isalpha(*p)) p++;
11207 q = p; while(*p != ' ' && *p != '\t' && *p != '\n') p++;
11209 if(!StrCaseCmp(q, "Date") && (p = strchr(p+1, '"'))) { if(atoi(p+1) < appData.dateThreshold) return -1; } else
11210 if(!StrCaseCmp(q, "Variant") && (p = strchr(p+1, '"'))) dummyInfo.variant = StringToVariant(p+1); else
11211 if(!StrCaseCmp(q, "WhiteElo") && (p = strchr(p+1, '"'))) dummyInfo.whiteRating = atoi(p+1); else
11212 if(!StrCaseCmp(q, "BlackElo") && (p = strchr(p+1, '"'))) dummyInfo.blackRating = atoi(p+1); else
11213 if(!StrCaseCmp(q, "WhiteUSCF") && (p = strchr(p+1, '"'))) dummyInfo.whiteRating = atoi(p+1); else
11214 if(!StrCaseCmp(q, "BlackUSCF") && (p = strchr(p+1, '"'))) dummyInfo.blackRating = atoi(p+1); else
11215 if(!StrCaseCmp(q, "FEN") && (p = strchr(p+1, '"'))) ParseFEN(boards[scratch], &btm, p+1);
11223 if(plyNr) return -1; // after we have seen moves, this is for new game
11226 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11227 case ImpossibleMove:
11228 case WhiteWins: // game ends here with these four
11231 case GameUnfinished:
11235 if(appData.testLegality) return -1;
11236 case WhiteCapturesEnPassant:
11237 case BlackCapturesEnPassant:
11238 case WhitePromotion:
11239 case BlackPromotion:
11240 case WhiteNonPromotion:
11241 case BlackNonPromotion:
11243 case WhiteKingSideCastle:
11244 case WhiteQueenSideCastle:
11245 case BlackKingSideCastle:
11246 case BlackQueenSideCastle:
11247 case WhiteKingSideCastleWild:
11248 case WhiteQueenSideCastleWild:
11249 case BlackKingSideCastleWild:
11250 case BlackQueenSideCastleWild:
11251 case WhiteHSideCastleFR:
11252 case WhiteASideCastleFR:
11253 case BlackHSideCastleFR:
11254 case BlackASideCastleFR:
11255 fromX = currentMoveString[0] - AAA;
11256 fromY = currentMoveString[1] - ONE;
11257 toX = currentMoveString[2] - AAA;
11258 toY = currentMoveString[3] - ONE;
11259 promoChar = currentMoveString[4];
11263 fromX = next == WhiteDrop ?
11264 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11265 (int) CharToPiece(ToLower(currentMoveString[0]));
11267 toX = currentMoveString[2] - AAA;
11268 toY = currentMoveString[3] - ONE;
11271 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11272 if(plyNr == 0) { // but first figure out variant and initial position
11273 if(dummyInfo.variant != gameInfo.variant) return -1; // wrong variant
11274 if(appData.eloThreshold1 && (dummyInfo.whiteRating < appData.eloThreshold1 && dummyInfo.blackRating < appData.eloThreshold1)) return -1;
11275 if(appData.eloThreshold2 && (dummyInfo.whiteRating < appData.eloThreshold2 || dummyInfo.blackRating < appData.eloThreshold2)) return -1;
11276 if(appData.dateThreshold && (!dummyInfo.date || atoi(dummyInfo.date) < appData.dateThreshold)) return -1;
11277 if(btm) CopyBoard(boards[scratch+1], boards[scratch]), plyNr++;
11278 if(PositionMatches(boards[scratch + plyNr], boards[currentMove])) return plyNr;
11280 CopyBoard(boards[scratch + (plyNr+1&1)], boards[scratch + (plyNr&1)]);
11282 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch + (plyNr&1)]);
11283 if(PositionMatches(boards[scratch + (plyNr&1)], boards[currentMove])) return plyNr;
11287 /* Load the nth game from open file f */
11289 LoadGame(f, gameNumber, title, useList)
11297 int gn = gameNumber;
11298 ListGame *lg = NULL;
11299 int numPGNTags = 0;
11301 GameMode oldGameMode;
11302 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11304 if (appData.debugMode)
11305 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11307 if (gameMode == Training )
11308 SetTrainingModeOff();
11310 oldGameMode = gameMode;
11311 if (gameMode != BeginningOfGame) {
11312 Reset(FALSE, TRUE);
11316 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11317 fclose(lastLoadGameFP);
11321 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11324 fseek(f, lg->offset, 0);
11325 GameListHighlight(gameNumber);
11326 pos = lg->position;
11330 DisplayError(_("Game number out of range"), 0);
11335 if (fseek(f, 0, 0) == -1) {
11336 if (f == lastLoadGameFP ?
11337 gameNumber == lastLoadGameNumber + 1 :
11341 DisplayError(_("Can't seek on game file"), 0);
11346 lastLoadGameFP = f;
11347 lastLoadGameNumber = gameNumber;
11348 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11349 lastLoadGameUseList = useList;
11353 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11354 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11355 lg->gameInfo.black);
11357 } else if (*title != NULLCHAR) {
11358 if (gameNumber > 1) {
11359 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11362 DisplayTitle(title);
11366 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11367 gameMode = PlayFromGameFile;
11371 currentMove = forwardMostMove = backwardMostMove = 0;
11372 CopyBoard(boards[0], initialPosition);
11376 * Skip the first gn-1 games in the file.
11377 * Also skip over anything that precedes an identifiable
11378 * start of game marker, to avoid being confused by
11379 * garbage at the start of the file. Currently
11380 * recognized start of game markers are the move number "1",
11381 * the pattern "gnuchess .* game", the pattern
11382 * "^[#;%] [^ ]* game file", and a PGN tag block.
11383 * A game that starts with one of the latter two patterns
11384 * will also have a move number 1, possibly
11385 * following a position diagram.
11386 * 5-4-02: Let's try being more lenient and allowing a game to
11387 * start with an unnumbered move. Does that break anything?
11389 cm = lastLoadGameStart = EndOfFile;
11391 yyboardindex = forwardMostMove;
11392 cm = (ChessMove) Myylex();
11395 if (cmailMsgLoaded) {
11396 nCmailGames = CMAIL_MAX_GAMES - gn;
11399 DisplayError(_("Game not found in file"), 0);
11406 lastLoadGameStart = cm;
11409 case MoveNumberOne:
11410 switch (lastLoadGameStart) {
11415 case MoveNumberOne:
11417 gn--; /* count this game */
11418 lastLoadGameStart = cm;
11427 switch (lastLoadGameStart) {
11430 case MoveNumberOne:
11432 gn--; /* count this game */
11433 lastLoadGameStart = cm;
11436 lastLoadGameStart = cm; /* game counted already */
11444 yyboardindex = forwardMostMove;
11445 cm = (ChessMove) Myylex();
11446 } while (cm == PGNTag || cm == Comment);
11453 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11454 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11455 != CMAIL_OLD_RESULT) {
11457 cmailResult[ CMAIL_MAX_GAMES
11458 - gn - 1] = CMAIL_OLD_RESULT;
11464 /* Only a NormalMove can be at the start of a game
11465 * without a position diagram. */
11466 if (lastLoadGameStart == EndOfFile ) {
11468 lastLoadGameStart = MoveNumberOne;
11477 if (appData.debugMode)
11478 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11480 if (cm == XBoardGame) {
11481 /* Skip any header junk before position diagram and/or move 1 */
11483 yyboardindex = forwardMostMove;
11484 cm = (ChessMove) Myylex();
11486 if (cm == EndOfFile ||
11487 cm == GNUChessGame || cm == XBoardGame) {
11488 /* Empty game; pretend end-of-file and handle later */
11493 if (cm == MoveNumberOne || cm == PositionDiagram ||
11494 cm == PGNTag || cm == Comment)
11497 } else if (cm == GNUChessGame) {
11498 if (gameInfo.event != NULL) {
11499 free(gameInfo.event);
11501 gameInfo.event = StrSave(yy_text);
11504 startedFromSetupPosition = FALSE;
11505 while (cm == PGNTag) {
11506 if (appData.debugMode)
11507 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11508 err = ParsePGNTag(yy_text, &gameInfo);
11509 if (!err) numPGNTags++;
11511 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11512 if(gameInfo.variant != oldVariant) {
11513 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11514 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11515 InitPosition(TRUE);
11516 oldVariant = gameInfo.variant;
11517 if (appData.debugMode)
11518 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11522 if (gameInfo.fen != NULL) {
11523 Board initial_position;
11524 startedFromSetupPosition = TRUE;
11525 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11527 DisplayError(_("Bad FEN position in file"), 0);
11530 CopyBoard(boards[0], initial_position);
11531 if (blackPlaysFirst) {
11532 currentMove = forwardMostMove = backwardMostMove = 1;
11533 CopyBoard(boards[1], initial_position);
11534 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11535 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11536 timeRemaining[0][1] = whiteTimeRemaining;
11537 timeRemaining[1][1] = blackTimeRemaining;
11538 if (commentList[0] != NULL) {
11539 commentList[1] = commentList[0];
11540 commentList[0] = NULL;
11543 currentMove = forwardMostMove = backwardMostMove = 0;
11545 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11547 initialRulePlies = FENrulePlies;
11548 for( i=0; i< nrCastlingRights; i++ )
11549 initialRights[i] = initial_position[CASTLING][i];
11551 yyboardindex = forwardMostMove;
11552 free(gameInfo.fen);
11553 gameInfo.fen = NULL;
11556 yyboardindex = forwardMostMove;
11557 cm = (ChessMove) Myylex();
11559 /* Handle comments interspersed among the tags */
11560 while (cm == Comment) {
11562 if (appData.debugMode)
11563 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11565 AppendComment(currentMove, p, FALSE);
11566 yyboardindex = forwardMostMove;
11567 cm = (ChessMove) Myylex();
11571 /* don't rely on existence of Event tag since if game was
11572 * pasted from clipboard the Event tag may not exist
11574 if (numPGNTags > 0){
11576 if (gameInfo.variant == VariantNormal) {
11577 VariantClass v = StringToVariant(gameInfo.event);
11578 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11579 if(v < VariantShogi) gameInfo.variant = v;
11582 if( appData.autoDisplayTags ) {
11583 tags = PGNTags(&gameInfo);
11584 TagsPopUp(tags, CmailMsg());
11589 /* Make something up, but don't display it now */
11594 if (cm == PositionDiagram) {
11597 Board initial_position;
11599 if (appData.debugMode)
11600 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11602 if (!startedFromSetupPosition) {
11604 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11605 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11616 initial_position[i][j++] = CharToPiece(*p);
11619 while (*p == ' ' || *p == '\t' ||
11620 *p == '\n' || *p == '\r') p++;
11622 if (strncmp(p, "black", strlen("black"))==0)
11623 blackPlaysFirst = TRUE;
11625 blackPlaysFirst = FALSE;
11626 startedFromSetupPosition = TRUE;
11628 CopyBoard(boards[0], initial_position);
11629 if (blackPlaysFirst) {
11630 currentMove = forwardMostMove = backwardMostMove = 1;
11631 CopyBoard(boards[1], initial_position);
11632 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11633 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11634 timeRemaining[0][1] = whiteTimeRemaining;
11635 timeRemaining[1][1] = blackTimeRemaining;
11636 if (commentList[0] != NULL) {
11637 commentList[1] = commentList[0];
11638 commentList[0] = NULL;
11641 currentMove = forwardMostMove = backwardMostMove = 0;
11644 yyboardindex = forwardMostMove;
11645 cm = (ChessMove) Myylex();
11648 if (first.pr == NoProc) {
11649 StartChessProgram(&first);
11651 InitChessProgram(&first, FALSE);
11652 SendToProgram("force\n", &first);
11653 if (startedFromSetupPosition) {
11654 SendBoard(&first, forwardMostMove);
11655 if (appData.debugMode) {
11656 fprintf(debugFP, "Load Game\n");
11658 DisplayBothClocks();
11661 /* [HGM] server: flag to write setup moves in broadcast file as one */
11662 loadFlag = appData.suppressLoadMoves;
11664 while (cm == Comment) {
11666 if (appData.debugMode)
11667 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11669 AppendComment(currentMove, p, FALSE);
11670 yyboardindex = forwardMostMove;
11671 cm = (ChessMove) Myylex();
11674 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11675 cm == WhiteWins || cm == BlackWins ||
11676 cm == GameIsDrawn || cm == GameUnfinished) {
11677 DisplayMessage("", _("No moves in game"));
11678 if (cmailMsgLoaded) {
11679 if (appData.debugMode)
11680 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11684 DrawPosition(FALSE, boards[currentMove]);
11685 DisplayBothClocks();
11686 gameMode = EditGame;
11693 // [HGM] PV info: routine tests if comment empty
11694 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11695 DisplayComment(currentMove - 1, commentList[currentMove]);
11697 if (!matchMode && appData.timeDelay != 0)
11698 DrawPosition(FALSE, boards[currentMove]);
11700 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11701 programStats.ok_to_send = 1;
11704 /* if the first token after the PGN tags is a move
11705 * and not move number 1, retrieve it from the parser
11707 if (cm != MoveNumberOne)
11708 LoadGameOneMove(cm);
11710 /* load the remaining moves from the file */
11711 while (LoadGameOneMove(EndOfFile)) {
11712 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11713 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11716 /* rewind to the start of the game */
11717 currentMove = backwardMostMove;
11719 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11721 if (oldGameMode == AnalyzeFile ||
11722 oldGameMode == AnalyzeMode) {
11723 AnalyzeFileEvent();
11726 if (!matchMode && pos >= 0) {
11727 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11729 if (matchMode || appData.timeDelay == 0) {
11731 } else if (appData.timeDelay > 0) {
11732 AutoPlayGameLoop();
11735 if (appData.debugMode)
11736 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11738 loadFlag = 0; /* [HGM] true game starts */
11742 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11744 ReloadPosition(offset)
11747 int positionNumber = lastLoadPositionNumber + offset;
11748 if (lastLoadPositionFP == NULL) {
11749 DisplayError(_("No position has been loaded yet"), 0);
11752 if (positionNumber <= 0) {
11753 DisplayError(_("Can't back up any further"), 0);
11756 return LoadPosition(lastLoadPositionFP, positionNumber,
11757 lastLoadPositionTitle);
11760 /* Load the nth position from the given file */
11762 LoadPositionFromFile(filename, n, title)
11770 if (strcmp(filename, "-") == 0) {
11771 return LoadPosition(stdin, n, "stdin");
11773 f = fopen(filename, "rb");
11775 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11776 DisplayError(buf, errno);
11779 return LoadPosition(f, n, title);
11784 /* Load the nth position from the given open file, and close it */
11786 LoadPosition(f, positionNumber, title)
11788 int positionNumber;
11791 char *p, line[MSG_SIZ];
11792 Board initial_position;
11793 int i, j, fenMode, pn;
11795 if (gameMode == Training )
11796 SetTrainingModeOff();
11798 if (gameMode != BeginningOfGame) {
11799 Reset(FALSE, TRUE);
11801 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11802 fclose(lastLoadPositionFP);
11804 if (positionNumber == 0) positionNumber = 1;
11805 lastLoadPositionFP = f;
11806 lastLoadPositionNumber = positionNumber;
11807 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11808 if (first.pr == NoProc) {
11809 StartChessProgram(&first);
11810 InitChessProgram(&first, FALSE);
11812 pn = positionNumber;
11813 if (positionNumber < 0) {
11814 /* Negative position number means to seek to that byte offset */
11815 if (fseek(f, -positionNumber, 0) == -1) {
11816 DisplayError(_("Can't seek on position file"), 0);
11821 if (fseek(f, 0, 0) == -1) {
11822 if (f == lastLoadPositionFP ?
11823 positionNumber == lastLoadPositionNumber + 1 :
11824 positionNumber == 1) {
11827 DisplayError(_("Can't seek on position file"), 0);
11832 /* See if this file is FEN or old-style xboard */
11833 if (fgets(line, MSG_SIZ, f) == NULL) {
11834 DisplayError(_("Position not found in file"), 0);
11837 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11838 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11841 if (fenMode || line[0] == '#') pn--;
11843 /* skip positions before number pn */
11844 if (fgets(line, MSG_SIZ, f) == NULL) {
11846 DisplayError(_("Position not found in file"), 0);
11849 if (fenMode || line[0] == '#') pn--;
11854 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11855 DisplayError(_("Bad FEN position in file"), 0);
11859 (void) fgets(line, MSG_SIZ, f);
11860 (void) fgets(line, MSG_SIZ, f);
11862 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11863 (void) fgets(line, MSG_SIZ, f);
11864 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11867 initial_position[i][j++] = CharToPiece(*p);
11871 blackPlaysFirst = FALSE;
11873 (void) fgets(line, MSG_SIZ, f);
11874 if (strncmp(line, "black", strlen("black"))==0)
11875 blackPlaysFirst = TRUE;
11878 startedFromSetupPosition = TRUE;
11880 SendToProgram("force\n", &first);
11881 CopyBoard(boards[0], initial_position);
11882 if (blackPlaysFirst) {
11883 currentMove = forwardMostMove = backwardMostMove = 1;
11884 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11885 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11886 CopyBoard(boards[1], initial_position);
11887 DisplayMessage("", _("Black to play"));
11889 currentMove = forwardMostMove = backwardMostMove = 0;
11890 DisplayMessage("", _("White to play"));
11892 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11893 SendBoard(&first, forwardMostMove);
11894 if (appData.debugMode) {
11896 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11897 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11898 fprintf(debugFP, "Load Position\n");
11901 if (positionNumber > 1) {
11902 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11903 DisplayTitle(line);
11905 DisplayTitle(title);
11907 gameMode = EditGame;
11910 timeRemaining[0][1] = whiteTimeRemaining;
11911 timeRemaining[1][1] = blackTimeRemaining;
11912 DrawPosition(FALSE, boards[currentMove]);
11919 CopyPlayerNameIntoFileName(dest, src)
11922 while (*src != NULLCHAR && *src != ',') {
11927 *(*dest)++ = *src++;
11932 char *DefaultFileName(ext)
11935 static char def[MSG_SIZ];
11938 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11940 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11942 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11944 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11951 /* Save the current game to the given file */
11953 SaveGameToFile(filename, append)
11959 int result, i, t,tot=0;
11961 if (strcmp(filename, "-") == 0) {
11962 return SaveGame(stdout, 0, NULL);
11964 for(i=0; i<10; i++) { // upto 10 tries
11965 f = fopen(filename, append ? "a" : "w");
11966 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
11967 if(f || errno != 13) break;
11968 DoSleep(t = 5 + random()%11); // wait 5-15 msec
11972 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11973 DisplayError(buf, errno);
11976 safeStrCpy(buf, lastMsg, MSG_SIZ);
11977 DisplayMessage(_("Waiting for access to save file"), "");
11978 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11979 DisplayMessage(_("Saving game"), "");
11980 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11981 result = SaveGame(f, 0, NULL);
11982 DisplayMessage(buf, "");
11992 static char buf[MSG_SIZ];
11995 p = strchr(str, ' ');
11996 if (p == NULL) return str;
11997 strncpy(buf, str, p - str);
11998 buf[p - str] = NULLCHAR;
12002 #define PGN_MAX_LINE 75
12004 #define PGN_SIDE_WHITE 0
12005 #define PGN_SIDE_BLACK 1
12008 static int FindFirstMoveOutOfBook( int side )
12012 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12013 int index = backwardMostMove;
12014 int has_book_hit = 0;
12016 if( (index % 2) != side ) {
12020 while( index < forwardMostMove ) {
12021 /* Check to see if engine is in book */
12022 int depth = pvInfoList[index].depth;
12023 int score = pvInfoList[index].score;
12029 else if( score == 0 && depth == 63 ) {
12030 in_book = 1; /* Zappa */
12032 else if( score == 2 && depth == 99 ) {
12033 in_book = 1; /* Abrok */
12036 has_book_hit += in_book;
12052 void GetOutOfBookInfo( char * buf )
12056 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12058 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12059 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12063 if( oob[0] >= 0 || oob[1] >= 0 ) {
12064 for( i=0; i<2; i++ ) {
12068 if( i > 0 && oob[0] >= 0 ) {
12069 strcat( buf, " " );
12072 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12073 sprintf( buf+strlen(buf), "%s%.2f",
12074 pvInfoList[idx].score >= 0 ? "+" : "",
12075 pvInfoList[idx].score / 100.0 );
12081 /* Save game in PGN style and close the file */
12086 int i, offset, linelen, newblock;
12090 int movelen, numlen, blank;
12091 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12093 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12095 tm = time((time_t *) NULL);
12097 PrintPGNTags(f, &gameInfo);
12099 if (backwardMostMove > 0 || startedFromSetupPosition) {
12100 char *fen = PositionToFEN(backwardMostMove, NULL);
12101 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12102 fprintf(f, "\n{--------------\n");
12103 PrintPosition(f, backwardMostMove);
12104 fprintf(f, "--------------}\n");
12108 /* [AS] Out of book annotation */
12109 if( appData.saveOutOfBookInfo ) {
12112 GetOutOfBookInfo( buf );
12114 if( buf[0] != '\0' ) {
12115 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12122 i = backwardMostMove;
12126 while (i < forwardMostMove) {
12127 /* Print comments preceding this move */
12128 if (commentList[i] != NULL) {
12129 if (linelen > 0) fprintf(f, "\n");
12130 fprintf(f, "%s", commentList[i]);
12135 /* Format move number */
12137 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12140 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12142 numtext[0] = NULLCHAR;
12144 numlen = strlen(numtext);
12147 /* Print move number */
12148 blank = linelen > 0 && numlen > 0;
12149 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12158 fprintf(f, "%s", numtext);
12162 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12163 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12166 blank = linelen > 0 && movelen > 0;
12167 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12176 fprintf(f, "%s", move_buffer);
12177 linelen += movelen;
12179 /* [AS] Add PV info if present */
12180 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12181 /* [HGM] add time */
12182 char buf[MSG_SIZ]; int seconds;
12184 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12190 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12193 seconds = (seconds + 4)/10; // round to full seconds
12195 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12197 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12200 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12201 pvInfoList[i].score >= 0 ? "+" : "",
12202 pvInfoList[i].score / 100.0,
12203 pvInfoList[i].depth,
12206 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12208 /* Print score/depth */
12209 blank = linelen > 0 && movelen > 0;
12210 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12219 fprintf(f, "%s", move_buffer);
12220 linelen += movelen;
12226 /* Start a new line */
12227 if (linelen > 0) fprintf(f, "\n");
12229 /* Print comments after last move */
12230 if (commentList[i] != NULL) {
12231 fprintf(f, "%s\n", commentList[i]);
12235 if (gameInfo.resultDetails != NULL &&
12236 gameInfo.resultDetails[0] != NULLCHAR) {
12237 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12238 PGNResult(gameInfo.result));
12240 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12244 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12248 /* Save game in old style and close the file */
12250 SaveGameOldStyle(f)
12256 tm = time((time_t *) NULL);
12258 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12261 if (backwardMostMove > 0 || startedFromSetupPosition) {
12262 fprintf(f, "\n[--------------\n");
12263 PrintPosition(f, backwardMostMove);
12264 fprintf(f, "--------------]\n");
12269 i = backwardMostMove;
12270 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12272 while (i < forwardMostMove) {
12273 if (commentList[i] != NULL) {
12274 fprintf(f, "[%s]\n", commentList[i]);
12277 if ((i % 2) == 1) {
12278 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12281 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12283 if (commentList[i] != NULL) {
12287 if (i >= forwardMostMove) {
12291 fprintf(f, "%s\n", parseList[i]);
12296 if (commentList[i] != NULL) {
12297 fprintf(f, "[%s]\n", commentList[i]);
12300 /* This isn't really the old style, but it's close enough */
12301 if (gameInfo.resultDetails != NULL &&
12302 gameInfo.resultDetails[0] != NULLCHAR) {
12303 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12304 gameInfo.resultDetails);
12306 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12313 /* Save the current game to open file f and close the file */
12315 SaveGame(f, dummy, dummy2)
12320 if (gameMode == EditPosition) EditPositionDone(TRUE);
12321 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12322 if (appData.oldSaveStyle)
12323 return SaveGameOldStyle(f);
12325 return SaveGamePGN(f);
12328 /* Save the current position to the given file */
12330 SavePositionToFile(filename)
12336 if (strcmp(filename, "-") == 0) {
12337 return SavePosition(stdout, 0, NULL);
12339 f = fopen(filename, "a");
12341 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12342 DisplayError(buf, errno);
12345 safeStrCpy(buf, lastMsg, MSG_SIZ);
12346 DisplayMessage(_("Waiting for access to save file"), "");
12347 flock(fileno(f), LOCK_EX); // [HGM] lock
12348 DisplayMessage(_("Saving position"), "");
12349 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12350 SavePosition(f, 0, NULL);
12351 DisplayMessage(buf, "");
12357 /* Save the current position to the given open file and close the file */
12359 SavePosition(f, dummy, dummy2)
12367 if (gameMode == EditPosition) EditPositionDone(TRUE);
12368 if (appData.oldSaveStyle) {
12369 tm = time((time_t *) NULL);
12371 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12373 fprintf(f, "[--------------\n");
12374 PrintPosition(f, currentMove);
12375 fprintf(f, "--------------]\n");
12377 fen = PositionToFEN(currentMove, NULL);
12378 fprintf(f, "%s\n", fen);
12386 ReloadCmailMsgEvent(unregister)
12390 static char *inFilename = NULL;
12391 static char *outFilename;
12393 struct stat inbuf, outbuf;
12396 /* Any registered moves are unregistered if unregister is set, */
12397 /* i.e. invoked by the signal handler */
12399 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12400 cmailMoveRegistered[i] = FALSE;
12401 if (cmailCommentList[i] != NULL) {
12402 free(cmailCommentList[i]);
12403 cmailCommentList[i] = NULL;
12406 nCmailMovesRegistered = 0;
12409 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12410 cmailResult[i] = CMAIL_NOT_RESULT;
12414 if (inFilename == NULL) {
12415 /* Because the filenames are static they only get malloced once */
12416 /* and they never get freed */
12417 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12418 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12420 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12421 sprintf(outFilename, "%s.out", appData.cmailGameName);
12424 status = stat(outFilename, &outbuf);
12426 cmailMailedMove = FALSE;
12428 status = stat(inFilename, &inbuf);
12429 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12432 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12433 counts the games, notes how each one terminated, etc.
12435 It would be nice to remove this kludge and instead gather all
12436 the information while building the game list. (And to keep it
12437 in the game list nodes instead of having a bunch of fixed-size
12438 parallel arrays.) Note this will require getting each game's
12439 termination from the PGN tags, as the game list builder does
12440 not process the game moves. --mann
12442 cmailMsgLoaded = TRUE;
12443 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12445 /* Load first game in the file or popup game menu */
12446 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12448 #endif /* !WIN32 */
12456 char string[MSG_SIZ];
12458 if ( cmailMailedMove
12459 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12460 return TRUE; /* Allow free viewing */
12463 /* Unregister move to ensure that we don't leave RegisterMove */
12464 /* with the move registered when the conditions for registering no */
12466 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12467 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12468 nCmailMovesRegistered --;
12470 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12472 free(cmailCommentList[lastLoadGameNumber - 1]);
12473 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12477 if (cmailOldMove == -1) {
12478 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12482 if (currentMove > cmailOldMove + 1) {
12483 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12487 if (currentMove < cmailOldMove) {
12488 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12492 if (forwardMostMove > currentMove) {
12493 /* Silently truncate extra moves */
12497 if ( (currentMove == cmailOldMove + 1)
12498 || ( (currentMove == cmailOldMove)
12499 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12500 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12501 if (gameInfo.result != GameUnfinished) {
12502 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12505 if (commentList[currentMove] != NULL) {
12506 cmailCommentList[lastLoadGameNumber - 1]
12507 = StrSave(commentList[currentMove]);
12509 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12511 if (appData.debugMode)
12512 fprintf(debugFP, "Saving %s for game %d\n",
12513 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12515 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12517 f = fopen(string, "w");
12518 if (appData.oldSaveStyle) {
12519 SaveGameOldStyle(f); /* also closes the file */
12521 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12522 f = fopen(string, "w");
12523 SavePosition(f, 0, NULL); /* also closes the file */
12525 fprintf(f, "{--------------\n");
12526 PrintPosition(f, currentMove);
12527 fprintf(f, "--------------}\n\n");
12529 SaveGame(f, 0, NULL); /* also closes the file*/
12532 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12533 nCmailMovesRegistered ++;
12534 } else if (nCmailGames == 1) {
12535 DisplayError(_("You have not made a move yet"), 0);
12546 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12547 FILE *commandOutput;
12548 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12549 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12555 if (! cmailMsgLoaded) {
12556 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12560 if (nCmailGames == nCmailResults) {
12561 DisplayError(_("No unfinished games"), 0);
12565 #if CMAIL_PROHIBIT_REMAIL
12566 if (cmailMailedMove) {
12567 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);
12568 DisplayError(msg, 0);
12573 if (! (cmailMailedMove || RegisterMove())) return;
12575 if ( cmailMailedMove
12576 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12577 snprintf(string, MSG_SIZ, partCommandString,
12578 appData.debugMode ? " -v" : "", appData.cmailGameName);
12579 commandOutput = popen(string, "r");
12581 if (commandOutput == NULL) {
12582 DisplayError(_("Failed to invoke cmail"), 0);
12584 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12585 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12587 if (nBuffers > 1) {
12588 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12589 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12590 nBytes = MSG_SIZ - 1;
12592 (void) memcpy(msg, buffer, nBytes);
12594 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12596 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12597 cmailMailedMove = TRUE; /* Prevent >1 moves */
12600 for (i = 0; i < nCmailGames; i ++) {
12601 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12606 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12608 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12610 appData.cmailGameName,
12612 LoadGameFromFile(buffer, 1, buffer, FALSE);
12613 cmailMsgLoaded = FALSE;
12617 DisplayInformation(msg);
12618 pclose(commandOutput);
12621 if ((*cmailMsg) != '\0') {
12622 DisplayInformation(cmailMsg);
12627 #endif /* !WIN32 */
12636 int prependComma = 0;
12638 char string[MSG_SIZ]; /* Space for game-list */
12641 if (!cmailMsgLoaded) return "";
12643 if (cmailMailedMove) {
12644 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12646 /* Create a list of games left */
12647 snprintf(string, MSG_SIZ, "[");
12648 for (i = 0; i < nCmailGames; i ++) {
12649 if (! ( cmailMoveRegistered[i]
12650 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12651 if (prependComma) {
12652 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12654 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12658 strcat(string, number);
12661 strcat(string, "]");
12663 if (nCmailMovesRegistered + nCmailResults == 0) {
12664 switch (nCmailGames) {
12666 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12670 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12674 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12679 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12681 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12686 if (nCmailResults == nCmailGames) {
12687 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12689 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12694 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12706 if (gameMode == Training)
12707 SetTrainingModeOff();
12710 cmailMsgLoaded = FALSE;
12711 if (appData.icsActive) {
12712 SendToICS(ics_prefix);
12713 SendToICS("refresh\n");
12723 /* Give up on clean exit */
12727 /* Keep trying for clean exit */
12731 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12733 if (telnetISR != NULL) {
12734 RemoveInputSource(telnetISR);
12736 if (icsPR != NoProc) {
12737 DestroyChildProcess(icsPR, TRUE);
12740 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12741 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12743 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12744 /* make sure this other one finishes before killing it! */
12745 if(endingGame) { int count = 0;
12746 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12747 while(endingGame && count++ < 10) DoSleep(1);
12748 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12751 /* Kill off chess programs */
12752 if (first.pr != NoProc) {
12755 DoSleep( appData.delayBeforeQuit );
12756 SendToProgram("quit\n", &first);
12757 DoSleep( appData.delayAfterQuit );
12758 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12760 if (second.pr != NoProc) {
12761 DoSleep( appData.delayBeforeQuit );
12762 SendToProgram("quit\n", &second);
12763 DoSleep( appData.delayAfterQuit );
12764 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12766 if (first.isr != NULL) {
12767 RemoveInputSource(first.isr);
12769 if (second.isr != NULL) {
12770 RemoveInputSource(second.isr);
12773 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12774 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12776 ShutDownFrontEnd();
12783 if (appData.debugMode)
12784 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12788 if (gameMode == MachinePlaysWhite ||
12789 gameMode == MachinePlaysBlack) {
12792 DisplayBothClocks();
12794 if (gameMode == PlayFromGameFile) {
12795 if (appData.timeDelay >= 0)
12796 AutoPlayGameLoop();
12797 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12798 Reset(FALSE, TRUE);
12799 SendToICS(ics_prefix);
12800 SendToICS("refresh\n");
12801 } else if (currentMove < forwardMostMove) {
12802 ForwardInner(forwardMostMove);
12804 pauseExamInvalid = FALSE;
12806 switch (gameMode) {
12810 pauseExamForwardMostMove = forwardMostMove;
12811 pauseExamInvalid = FALSE;
12814 case IcsPlayingWhite:
12815 case IcsPlayingBlack:
12819 case PlayFromGameFile:
12820 (void) StopLoadGameTimer();
12824 case BeginningOfGame:
12825 if (appData.icsActive) return;
12826 /* else fall through */
12827 case MachinePlaysWhite:
12828 case MachinePlaysBlack:
12829 case TwoMachinesPlay:
12830 if (forwardMostMove == 0)
12831 return; /* don't pause if no one has moved */
12832 if ((gameMode == MachinePlaysWhite &&
12833 !WhiteOnMove(forwardMostMove)) ||
12834 (gameMode == MachinePlaysBlack &&
12835 WhiteOnMove(forwardMostMove))) {
12848 char title[MSG_SIZ];
12850 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12851 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12853 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12854 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12855 parseList[currentMove - 1]);
12858 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12865 char *tags = PGNTags(&gameInfo);
12867 EditTagsPopUp(tags, NULL);
12874 if (appData.noChessProgram || gameMode == AnalyzeMode)
12877 if (gameMode != AnalyzeFile) {
12878 if (!appData.icsEngineAnalyze) {
12880 if (gameMode != EditGame) return;
12882 ResurrectChessProgram();
12883 SendToProgram("analyze\n", &first);
12884 first.analyzing = TRUE;
12885 /*first.maybeThinking = TRUE;*/
12886 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12887 EngineOutputPopUp();
12889 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12894 StartAnalysisClock();
12895 GetTimeMark(&lastNodeCountTime);
12902 if (appData.noChessProgram || gameMode == AnalyzeFile)
12905 if (gameMode != AnalyzeMode) {
12907 if (gameMode != EditGame) return;
12908 ResurrectChessProgram();
12909 SendToProgram("analyze\n", &first);
12910 first.analyzing = TRUE;
12911 /*first.maybeThinking = TRUE;*/
12912 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12913 EngineOutputPopUp();
12915 gameMode = AnalyzeFile;
12920 StartAnalysisClock();
12921 GetTimeMark(&lastNodeCountTime);
12923 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
12927 MachineWhiteEvent()
12930 char *bookHit = NULL;
12932 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12936 if (gameMode == PlayFromGameFile ||
12937 gameMode == TwoMachinesPlay ||
12938 gameMode == Training ||
12939 gameMode == AnalyzeMode ||
12940 gameMode == EndOfGame)
12943 if (gameMode == EditPosition)
12944 EditPositionDone(TRUE);
12946 if (!WhiteOnMove(currentMove)) {
12947 DisplayError(_("It is not White's turn"), 0);
12951 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12954 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12955 gameMode == AnalyzeFile)
12958 ResurrectChessProgram(); /* in case it isn't running */
12959 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12960 gameMode = MachinePlaysWhite;
12963 gameMode = MachinePlaysWhite;
12967 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12969 if (first.sendName) {
12970 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12971 SendToProgram(buf, &first);
12973 if (first.sendTime) {
12974 if (first.useColors) {
12975 SendToProgram("black\n", &first); /*gnu kludge*/
12977 SendTimeRemaining(&first, TRUE);
12979 if (first.useColors) {
12980 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12982 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12983 SetMachineThinkingEnables();
12984 first.maybeThinking = TRUE;
12988 if (appData.autoFlipView && !flipView) {
12989 flipView = !flipView;
12990 DrawPosition(FALSE, NULL);
12991 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12994 if(bookHit) { // [HGM] book: simulate book reply
12995 static char bookMove[MSG_SIZ]; // a bit generous?
12997 programStats.nodes = programStats.depth = programStats.time =
12998 programStats.score = programStats.got_only_move = 0;
12999 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13001 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13002 strcat(bookMove, bookHit);
13003 HandleMachineMove(bookMove, &first);
13008 MachineBlackEvent()
13011 char *bookHit = NULL;
13013 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13017 if (gameMode == PlayFromGameFile ||
13018 gameMode == TwoMachinesPlay ||
13019 gameMode == Training ||
13020 gameMode == AnalyzeMode ||
13021 gameMode == EndOfGame)
13024 if (gameMode == EditPosition)
13025 EditPositionDone(TRUE);
13027 if (WhiteOnMove(currentMove)) {
13028 DisplayError(_("It is not Black's turn"), 0);
13032 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13035 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13036 gameMode == AnalyzeFile)
13039 ResurrectChessProgram(); /* in case it isn't running */
13040 gameMode = MachinePlaysBlack;
13044 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13046 if (first.sendName) {
13047 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13048 SendToProgram(buf, &first);
13050 if (first.sendTime) {
13051 if (first.useColors) {
13052 SendToProgram("white\n", &first); /*gnu kludge*/
13054 SendTimeRemaining(&first, FALSE);
13056 if (first.useColors) {
13057 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13059 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13060 SetMachineThinkingEnables();
13061 first.maybeThinking = TRUE;
13064 if (appData.autoFlipView && flipView) {
13065 flipView = !flipView;
13066 DrawPosition(FALSE, NULL);
13067 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13069 if(bookHit) { // [HGM] book: simulate book reply
13070 static char bookMove[MSG_SIZ]; // a bit generous?
13072 programStats.nodes = programStats.depth = programStats.time =
13073 programStats.score = programStats.got_only_move = 0;
13074 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13076 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13077 strcat(bookMove, bookHit);
13078 HandleMachineMove(bookMove, &first);
13084 DisplayTwoMachinesTitle()
13087 if (appData.matchGames > 0) {
13088 if(appData.tourneyFile[0]) {
13089 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13090 gameInfo.white, gameInfo.black,
13091 nextGame+1, appData.matchGames+1,
13092 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13094 if (first.twoMachinesColor[0] == 'w') {
13095 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13096 gameInfo.white, gameInfo.black,
13097 first.matchWins, second.matchWins,
13098 matchGame - 1 - (first.matchWins + second.matchWins));
13100 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13101 gameInfo.white, gameInfo.black,
13102 second.matchWins, first.matchWins,
13103 matchGame - 1 - (first.matchWins + second.matchWins));
13106 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13112 SettingsMenuIfReady()
13114 if (second.lastPing != second.lastPong) {
13115 DisplayMessage("", _("Waiting for second chess program"));
13116 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13120 DisplayMessage("", "");
13121 SettingsPopUp(&second);
13125 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13128 if (cps->pr == NULL) {
13129 StartChessProgram(cps);
13130 if (cps->protocolVersion == 1) {
13133 /* kludge: allow timeout for initial "feature" command */
13135 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13136 DisplayMessage("", buf);
13137 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13145 TwoMachinesEvent P((void))
13149 ChessProgramState *onmove;
13150 char *bookHit = NULL;
13151 static int stalling = 0;
13155 if (appData.noChessProgram) return;
13157 switch (gameMode) {
13158 case TwoMachinesPlay:
13160 case MachinePlaysWhite:
13161 case MachinePlaysBlack:
13162 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13163 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13167 case BeginningOfGame:
13168 case PlayFromGameFile:
13171 if (gameMode != EditGame) return;
13174 EditPositionDone(TRUE);
13185 // forwardMostMove = currentMove;
13186 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13188 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13190 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13191 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13192 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13196 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13197 SendToProgram("force\n", &second);
13199 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13202 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13203 if(appData.matchPause>10000 || appData.matchPause<10)
13204 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13205 wait = SubtractTimeMarks(&now, &pauseStart);
13206 if(wait < appData.matchPause) {
13207 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13211 DisplayMessage("", "");
13212 if (startedFromSetupPosition) {
13213 SendBoard(&second, backwardMostMove);
13214 if (appData.debugMode) {
13215 fprintf(debugFP, "Two Machines\n");
13218 for (i = backwardMostMove; i < forwardMostMove; i++) {
13219 SendMoveToProgram(i, &second);
13222 gameMode = TwoMachinesPlay;
13224 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13226 DisplayTwoMachinesTitle();
13228 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13233 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13234 SendToProgram(first.computerString, &first);
13235 if (first.sendName) {
13236 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13237 SendToProgram(buf, &first);
13239 SendToProgram(second.computerString, &second);
13240 if (second.sendName) {
13241 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13242 SendToProgram(buf, &second);
13246 if (!first.sendTime || !second.sendTime) {
13247 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13248 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13250 if (onmove->sendTime) {
13251 if (onmove->useColors) {
13252 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13254 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13256 if (onmove->useColors) {
13257 SendToProgram(onmove->twoMachinesColor, onmove);
13259 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13260 // SendToProgram("go\n", onmove);
13261 onmove->maybeThinking = TRUE;
13262 SetMachineThinkingEnables();
13266 if(bookHit) { // [HGM] book: simulate book reply
13267 static char bookMove[MSG_SIZ]; // a bit generous?
13269 programStats.nodes = programStats.depth = programStats.time =
13270 programStats.score = programStats.got_only_move = 0;
13271 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13273 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13274 strcat(bookMove, bookHit);
13275 savedMessage = bookMove; // args for deferred call
13276 savedState = onmove;
13277 ScheduleDelayedEvent(DeferredBookMove, 1);
13284 if (gameMode == Training) {
13285 SetTrainingModeOff();
13286 gameMode = PlayFromGameFile;
13287 DisplayMessage("", _("Training mode off"));
13289 gameMode = Training;
13290 animateTraining = appData.animate;
13292 /* make sure we are not already at the end of the game */
13293 if (currentMove < forwardMostMove) {
13294 SetTrainingModeOn();
13295 DisplayMessage("", _("Training mode on"));
13297 gameMode = PlayFromGameFile;
13298 DisplayError(_("Already at end of game"), 0);
13307 if (!appData.icsActive) return;
13308 switch (gameMode) {
13309 case IcsPlayingWhite:
13310 case IcsPlayingBlack:
13313 case BeginningOfGame:
13321 EditPositionDone(TRUE);
13334 gameMode = IcsIdle;
13345 switch (gameMode) {
13347 SetTrainingModeOff();
13349 case MachinePlaysWhite:
13350 case MachinePlaysBlack:
13351 case BeginningOfGame:
13352 SendToProgram("force\n", &first);
13353 SetUserThinkingEnables();
13355 case PlayFromGameFile:
13356 (void) StopLoadGameTimer();
13357 if (gameFileFP != NULL) {
13362 EditPositionDone(TRUE);
13367 SendToProgram("force\n", &first);
13369 case TwoMachinesPlay:
13370 GameEnds(EndOfFile, NULL, GE_PLAYER);
13371 ResurrectChessProgram();
13372 SetUserThinkingEnables();
13375 ResurrectChessProgram();
13377 case IcsPlayingBlack:
13378 case IcsPlayingWhite:
13379 DisplayError(_("Warning: You are still playing a game"), 0);
13382 DisplayError(_("Warning: You are still observing a game"), 0);
13385 DisplayError(_("Warning: You are still examining a game"), 0);
13396 first.offeredDraw = second.offeredDraw = 0;
13398 if (gameMode == PlayFromGameFile) {
13399 whiteTimeRemaining = timeRemaining[0][currentMove];
13400 blackTimeRemaining = timeRemaining[1][currentMove];
13404 if (gameMode == MachinePlaysWhite ||
13405 gameMode == MachinePlaysBlack ||
13406 gameMode == TwoMachinesPlay ||
13407 gameMode == EndOfGame) {
13408 i = forwardMostMove;
13409 while (i > currentMove) {
13410 SendToProgram("undo\n", &first);
13413 whiteTimeRemaining = timeRemaining[0][currentMove];
13414 blackTimeRemaining = timeRemaining[1][currentMove];
13415 DisplayBothClocks();
13416 if (whiteFlag || blackFlag) {
13417 whiteFlag = blackFlag = 0;
13422 gameMode = EditGame;
13429 EditPositionEvent()
13431 if (gameMode == EditPosition) {
13437 if (gameMode != EditGame) return;
13439 gameMode = EditPosition;
13442 if (currentMove > 0)
13443 CopyBoard(boards[0], boards[currentMove]);
13445 blackPlaysFirst = !WhiteOnMove(currentMove);
13447 currentMove = forwardMostMove = backwardMostMove = 0;
13448 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13455 /* [DM] icsEngineAnalyze - possible call from other functions */
13456 if (appData.icsEngineAnalyze) {
13457 appData.icsEngineAnalyze = FALSE;
13459 DisplayMessage("",_("Close ICS engine analyze..."));
13461 if (first.analysisSupport && first.analyzing) {
13462 SendToProgram("exit\n", &first);
13463 first.analyzing = FALSE;
13465 thinkOutput[0] = NULLCHAR;
13469 EditPositionDone(Boolean fakeRights)
13471 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13473 startedFromSetupPosition = TRUE;
13474 InitChessProgram(&first, FALSE);
13475 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13476 boards[0][EP_STATUS] = EP_NONE;
13477 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13478 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13479 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13480 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13481 } else boards[0][CASTLING][2] = NoRights;
13482 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13483 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13484 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13485 } else boards[0][CASTLING][5] = NoRights;
13487 SendToProgram("force\n", &first);
13488 if (blackPlaysFirst) {
13489 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13490 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13491 currentMove = forwardMostMove = backwardMostMove = 1;
13492 CopyBoard(boards[1], boards[0]);
13494 currentMove = forwardMostMove = backwardMostMove = 0;
13496 SendBoard(&first, forwardMostMove);
13497 if (appData.debugMode) {
13498 fprintf(debugFP, "EditPosDone\n");
13501 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13502 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13503 gameMode = EditGame;
13505 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13506 ClearHighlights(); /* [AS] */
13509 /* Pause for `ms' milliseconds */
13510 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13520 } while (SubtractTimeMarks(&m2, &m1) < ms);
13523 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13525 SendMultiLineToICS(buf)
13528 char temp[MSG_SIZ+1], *p;
13535 strncpy(temp, buf, len);
13540 if (*p == '\n' || *p == '\r')
13545 strcat(temp, "\n");
13547 SendToPlayer(temp, strlen(temp));
13551 SetWhiteToPlayEvent()
13553 if (gameMode == EditPosition) {
13554 blackPlaysFirst = FALSE;
13555 DisplayBothClocks(); /* works because currentMove is 0 */
13556 } else if (gameMode == IcsExamining) {
13557 SendToICS(ics_prefix);
13558 SendToICS("tomove white\n");
13563 SetBlackToPlayEvent()
13565 if (gameMode == EditPosition) {
13566 blackPlaysFirst = TRUE;
13567 currentMove = 1; /* kludge */
13568 DisplayBothClocks();
13570 } else if (gameMode == IcsExamining) {
13571 SendToICS(ics_prefix);
13572 SendToICS("tomove black\n");
13577 EditPositionMenuEvent(selection, x, y)
13578 ChessSquare selection;
13582 ChessSquare piece = boards[0][y][x];
13584 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13586 switch (selection) {
13588 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13589 SendToICS(ics_prefix);
13590 SendToICS("bsetup clear\n");
13591 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13592 SendToICS(ics_prefix);
13593 SendToICS("clearboard\n");
13595 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13596 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13597 for (y = 0; y < BOARD_HEIGHT; y++) {
13598 if (gameMode == IcsExamining) {
13599 if (boards[currentMove][y][x] != EmptySquare) {
13600 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13605 boards[0][y][x] = p;
13610 if (gameMode == EditPosition) {
13611 DrawPosition(FALSE, boards[0]);
13616 SetWhiteToPlayEvent();
13620 SetBlackToPlayEvent();
13624 if (gameMode == IcsExamining) {
13625 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13626 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13629 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13630 if(x == BOARD_LEFT-2) {
13631 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13632 boards[0][y][1] = 0;
13634 if(x == BOARD_RGHT+1) {
13635 if(y >= gameInfo.holdingsSize) break;
13636 boards[0][y][BOARD_WIDTH-2] = 0;
13639 boards[0][y][x] = EmptySquare;
13640 DrawPosition(FALSE, boards[0]);
13645 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13646 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13647 selection = (ChessSquare) (PROMOTED piece);
13648 } else if(piece == EmptySquare) selection = WhiteSilver;
13649 else selection = (ChessSquare)((int)piece - 1);
13653 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13654 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13655 selection = (ChessSquare) (DEMOTED piece);
13656 } else if(piece == EmptySquare) selection = BlackSilver;
13657 else selection = (ChessSquare)((int)piece + 1);
13662 if(gameInfo.variant == VariantShatranj ||
13663 gameInfo.variant == VariantXiangqi ||
13664 gameInfo.variant == VariantCourier ||
13665 gameInfo.variant == VariantMakruk )
13666 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13671 if(gameInfo.variant == VariantXiangqi)
13672 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13673 if(gameInfo.variant == VariantKnightmate)
13674 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13677 if (gameMode == IcsExamining) {
13678 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13679 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13680 PieceToChar(selection), AAA + x, ONE + y);
13683 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13685 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13686 n = PieceToNumber(selection - BlackPawn);
13687 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13688 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13689 boards[0][BOARD_HEIGHT-1-n][1]++;
13691 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13692 n = PieceToNumber(selection);
13693 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13694 boards[0][n][BOARD_WIDTH-1] = selection;
13695 boards[0][n][BOARD_WIDTH-2]++;
13698 boards[0][y][x] = selection;
13699 DrawPosition(TRUE, boards[0]);
13707 DropMenuEvent(selection, x, y)
13708 ChessSquare selection;
13711 ChessMove moveType;
13713 switch (gameMode) {
13714 case IcsPlayingWhite:
13715 case MachinePlaysBlack:
13716 if (!WhiteOnMove(currentMove)) {
13717 DisplayMoveError(_("It is Black's turn"));
13720 moveType = WhiteDrop;
13722 case IcsPlayingBlack:
13723 case MachinePlaysWhite:
13724 if (WhiteOnMove(currentMove)) {
13725 DisplayMoveError(_("It is White's turn"));
13728 moveType = BlackDrop;
13731 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13737 if (moveType == BlackDrop && selection < BlackPawn) {
13738 selection = (ChessSquare) ((int) selection
13739 + (int) BlackPawn - (int) WhitePawn);
13741 if (boards[currentMove][y][x] != EmptySquare) {
13742 DisplayMoveError(_("That square is occupied"));
13746 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13752 /* Accept a pending offer of any kind from opponent */
13754 if (appData.icsActive) {
13755 SendToICS(ics_prefix);
13756 SendToICS("accept\n");
13757 } else if (cmailMsgLoaded) {
13758 if (currentMove == cmailOldMove &&
13759 commentList[cmailOldMove] != NULL &&
13760 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13761 "Black offers a draw" : "White offers a draw")) {
13763 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13764 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13766 DisplayError(_("There is no pending offer on this move"), 0);
13767 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13770 /* Not used for offers from chess program */
13777 /* Decline a pending offer of any kind from opponent */
13779 if (appData.icsActive) {
13780 SendToICS(ics_prefix);
13781 SendToICS("decline\n");
13782 } else if (cmailMsgLoaded) {
13783 if (currentMove == cmailOldMove &&
13784 commentList[cmailOldMove] != NULL &&
13785 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13786 "Black offers a draw" : "White offers a draw")) {
13788 AppendComment(cmailOldMove, "Draw declined", TRUE);
13789 DisplayComment(cmailOldMove - 1, "Draw declined");
13792 DisplayError(_("There is no pending offer on this move"), 0);
13795 /* Not used for offers from chess program */
13802 /* Issue ICS rematch command */
13803 if (appData.icsActive) {
13804 SendToICS(ics_prefix);
13805 SendToICS("rematch\n");
13812 /* Call your opponent's flag (claim a win on time) */
13813 if (appData.icsActive) {
13814 SendToICS(ics_prefix);
13815 SendToICS("flag\n");
13817 switch (gameMode) {
13820 case MachinePlaysWhite:
13823 GameEnds(GameIsDrawn, "Both players ran out of time",
13826 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13828 DisplayError(_("Your opponent is not out of time"), 0);
13831 case MachinePlaysBlack:
13834 GameEnds(GameIsDrawn, "Both players ran out of time",
13837 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13839 DisplayError(_("Your opponent is not out of time"), 0);
13847 ClockClick(int which)
13848 { // [HGM] code moved to back-end from winboard.c
13849 if(which) { // black clock
13850 if (gameMode == EditPosition || gameMode == IcsExamining) {
13851 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13852 SetBlackToPlayEvent();
13853 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
13854 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
13855 } else if (shiftKey) {
13856 AdjustClock(which, -1);
13857 } else if (gameMode == IcsPlayingWhite ||
13858 gameMode == MachinePlaysBlack) {
13861 } else { // white clock
13862 if (gameMode == EditPosition || gameMode == IcsExamining) {
13863 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13864 SetWhiteToPlayEvent();
13865 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
13866 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
13867 } else if (shiftKey) {
13868 AdjustClock(which, -1);
13869 } else if (gameMode == IcsPlayingBlack ||
13870 gameMode == MachinePlaysWhite) {
13879 /* Offer draw or accept pending draw offer from opponent */
13881 if (appData.icsActive) {
13882 /* Note: tournament rules require draw offers to be
13883 made after you make your move but before you punch
13884 your clock. Currently ICS doesn't let you do that;
13885 instead, you immediately punch your clock after making
13886 a move, but you can offer a draw at any time. */
13888 SendToICS(ics_prefix);
13889 SendToICS("draw\n");
13890 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13891 } else if (cmailMsgLoaded) {
13892 if (currentMove == cmailOldMove &&
13893 commentList[cmailOldMove] != NULL &&
13894 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13895 "Black offers a draw" : "White offers a draw")) {
13896 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13897 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13898 } else if (currentMove == cmailOldMove + 1) {
13899 char *offer = WhiteOnMove(cmailOldMove) ?
13900 "White offers a draw" : "Black offers a draw";
13901 AppendComment(currentMove, offer, TRUE);
13902 DisplayComment(currentMove - 1, offer);
13903 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13905 DisplayError(_("You must make your move before offering a draw"), 0);
13906 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13908 } else if (first.offeredDraw) {
13909 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13911 if (first.sendDrawOffers) {
13912 SendToProgram("draw\n", &first);
13913 userOfferedDraw = TRUE;
13921 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13923 if (appData.icsActive) {
13924 SendToICS(ics_prefix);
13925 SendToICS("adjourn\n");
13927 /* Currently GNU Chess doesn't offer or accept Adjourns */
13935 /* Offer Abort or accept pending Abort offer from opponent */
13937 if (appData.icsActive) {
13938 SendToICS(ics_prefix);
13939 SendToICS("abort\n");
13941 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13948 /* Resign. You can do this even if it's not your turn. */
13950 if (appData.icsActive) {
13951 SendToICS(ics_prefix);
13952 SendToICS("resign\n");
13954 switch (gameMode) {
13955 case MachinePlaysWhite:
13956 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13958 case MachinePlaysBlack:
13959 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13962 if (cmailMsgLoaded) {
13964 if (WhiteOnMove(cmailOldMove)) {
13965 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13967 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13969 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13980 StopObservingEvent()
13982 /* Stop observing current games */
13983 SendToICS(ics_prefix);
13984 SendToICS("unobserve\n");
13988 StopExaminingEvent()
13990 /* Stop observing current game */
13991 SendToICS(ics_prefix);
13992 SendToICS("unexamine\n");
13996 ForwardInner(target)
14001 if (appData.debugMode)
14002 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14003 target, currentMove, forwardMostMove);
14005 if (gameMode == EditPosition)
14008 if (gameMode == PlayFromGameFile && !pausing)
14011 if (gameMode == IcsExamining && pausing)
14012 limit = pauseExamForwardMostMove;
14014 limit = forwardMostMove;
14016 if (target > limit) target = limit;
14018 if (target > 0 && moveList[target - 1][0]) {
14019 int fromX, fromY, toX, toY;
14020 toX = moveList[target - 1][2] - AAA;
14021 toY = moveList[target - 1][3] - ONE;
14022 if (moveList[target - 1][1] == '@') {
14023 if (appData.highlightLastMove) {
14024 SetHighlights(-1, -1, toX, toY);
14027 fromX = moveList[target - 1][0] - AAA;
14028 fromY = moveList[target - 1][1] - ONE;
14029 if (target == currentMove + 1) {
14030 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14032 if (appData.highlightLastMove) {
14033 SetHighlights(fromX, fromY, toX, toY);
14037 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14038 gameMode == Training || gameMode == PlayFromGameFile ||
14039 gameMode == AnalyzeFile) {
14040 while (currentMove < target) {
14041 SendMoveToProgram(currentMove++, &first);
14044 currentMove = target;
14047 if (gameMode == EditGame || gameMode == EndOfGame) {
14048 whiteTimeRemaining = timeRemaining[0][currentMove];
14049 blackTimeRemaining = timeRemaining[1][currentMove];
14051 DisplayBothClocks();
14052 DisplayMove(currentMove - 1);
14053 DrawPosition(FALSE, boards[currentMove]);
14054 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14055 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14056 DisplayComment(currentMove - 1, commentList[currentMove]);
14058 DisplayBook(currentMove);
14065 if (gameMode == IcsExamining && !pausing) {
14066 SendToICS(ics_prefix);
14067 SendToICS("forward\n");
14069 ForwardInner(currentMove + 1);
14076 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14077 /* to optimze, we temporarily turn off analysis mode while we feed
14078 * the remaining moves to the engine. Otherwise we get analysis output
14081 if (first.analysisSupport) {
14082 SendToProgram("exit\nforce\n", &first);
14083 first.analyzing = FALSE;
14087 if (gameMode == IcsExamining && !pausing) {
14088 SendToICS(ics_prefix);
14089 SendToICS("forward 999999\n");
14091 ForwardInner(forwardMostMove);
14094 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14095 /* we have fed all the moves, so reactivate analysis mode */
14096 SendToProgram("analyze\n", &first);
14097 first.analyzing = TRUE;
14098 /*first.maybeThinking = TRUE;*/
14099 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14104 BackwardInner(target)
14107 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14109 if (appData.debugMode)
14110 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14111 target, currentMove, forwardMostMove);
14113 if (gameMode == EditPosition) return;
14114 if (currentMove <= backwardMostMove) {
14116 DrawPosition(full_redraw, boards[currentMove]);
14119 if (gameMode == PlayFromGameFile && !pausing)
14122 if (moveList[target][0]) {
14123 int fromX, fromY, toX, toY;
14124 toX = moveList[target][2] - AAA;
14125 toY = moveList[target][3] - ONE;
14126 if (moveList[target][1] == '@') {
14127 if (appData.highlightLastMove) {
14128 SetHighlights(-1, -1, toX, toY);
14131 fromX = moveList[target][0] - AAA;
14132 fromY = moveList[target][1] - ONE;
14133 if (target == currentMove - 1) {
14134 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14136 if (appData.highlightLastMove) {
14137 SetHighlights(fromX, fromY, toX, toY);
14141 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14142 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14143 while (currentMove > target) {
14144 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14145 // null move cannot be undone. Reload program with move history before it.
14147 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14148 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14150 SendBoard(&first, i);
14151 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14154 SendToProgram("undo\n", &first);
14158 currentMove = target;
14161 if (gameMode == EditGame || gameMode == EndOfGame) {
14162 whiteTimeRemaining = timeRemaining[0][currentMove];
14163 blackTimeRemaining = timeRemaining[1][currentMove];
14165 DisplayBothClocks();
14166 DisplayMove(currentMove - 1);
14167 DrawPosition(full_redraw, boards[currentMove]);
14168 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14169 // [HGM] PV info: routine tests if comment empty
14170 DisplayComment(currentMove - 1, commentList[currentMove]);
14171 DisplayBook(currentMove);
14177 if (gameMode == IcsExamining && !pausing) {
14178 SendToICS(ics_prefix);
14179 SendToICS("backward\n");
14181 BackwardInner(currentMove - 1);
14188 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14189 /* to optimize, we temporarily turn off analysis mode while we undo
14190 * all the moves. Otherwise we get analysis output after each undo.
14192 if (first.analysisSupport) {
14193 SendToProgram("exit\nforce\n", &first);
14194 first.analyzing = FALSE;
14198 if (gameMode == IcsExamining && !pausing) {
14199 SendToICS(ics_prefix);
14200 SendToICS("backward 999999\n");
14202 BackwardInner(backwardMostMove);
14205 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14206 /* we have fed all the moves, so reactivate analysis mode */
14207 SendToProgram("analyze\n", &first);
14208 first.analyzing = TRUE;
14209 /*first.maybeThinking = TRUE;*/
14210 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14217 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14218 if (to >= forwardMostMove) to = forwardMostMove;
14219 if (to <= backwardMostMove) to = backwardMostMove;
14220 if (to < currentMove) {
14228 RevertEvent(Boolean annotate)
14230 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14233 if (gameMode != IcsExamining) {
14234 DisplayError(_("You are not examining a game"), 0);
14238 DisplayError(_("You can't revert while pausing"), 0);
14241 SendToICS(ics_prefix);
14242 SendToICS("revert\n");
14248 switch (gameMode) {
14249 case MachinePlaysWhite:
14250 case MachinePlaysBlack:
14251 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14252 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14255 if (forwardMostMove < 2) return;
14256 currentMove = forwardMostMove = forwardMostMove - 2;
14257 whiteTimeRemaining = timeRemaining[0][currentMove];
14258 blackTimeRemaining = timeRemaining[1][currentMove];
14259 DisplayBothClocks();
14260 DisplayMove(currentMove - 1);
14261 ClearHighlights();/*!! could figure this out*/
14262 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14263 SendToProgram("remove\n", &first);
14264 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14267 case BeginningOfGame:
14271 case IcsPlayingWhite:
14272 case IcsPlayingBlack:
14273 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14274 SendToICS(ics_prefix);
14275 SendToICS("takeback 2\n");
14277 SendToICS(ics_prefix);
14278 SendToICS("takeback 1\n");
14287 ChessProgramState *cps;
14289 switch (gameMode) {
14290 case MachinePlaysWhite:
14291 if (!WhiteOnMove(forwardMostMove)) {
14292 DisplayError(_("It is your turn"), 0);
14297 case MachinePlaysBlack:
14298 if (WhiteOnMove(forwardMostMove)) {
14299 DisplayError(_("It is your turn"), 0);
14304 case TwoMachinesPlay:
14305 if (WhiteOnMove(forwardMostMove) ==
14306 (first.twoMachinesColor[0] == 'w')) {
14312 case BeginningOfGame:
14316 SendToProgram("?\n", cps);
14320 TruncateGameEvent()
14323 if (gameMode != EditGame) return;
14330 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14331 if (forwardMostMove > currentMove) {
14332 if (gameInfo.resultDetails != NULL) {
14333 free(gameInfo.resultDetails);
14334 gameInfo.resultDetails = NULL;
14335 gameInfo.result = GameUnfinished;
14337 forwardMostMove = currentMove;
14338 HistorySet(parseList, backwardMostMove, forwardMostMove,
14346 if (appData.noChessProgram) return;
14347 switch (gameMode) {
14348 case MachinePlaysWhite:
14349 if (WhiteOnMove(forwardMostMove)) {
14350 DisplayError(_("Wait until your turn"), 0);
14354 case BeginningOfGame:
14355 case MachinePlaysBlack:
14356 if (!WhiteOnMove(forwardMostMove)) {
14357 DisplayError(_("Wait until your turn"), 0);
14362 DisplayError(_("No hint available"), 0);
14365 SendToProgram("hint\n", &first);
14366 hintRequested = TRUE;
14372 if (appData.noChessProgram) return;
14373 switch (gameMode) {
14374 case MachinePlaysWhite:
14375 if (WhiteOnMove(forwardMostMove)) {
14376 DisplayError(_("Wait until your turn"), 0);
14380 case BeginningOfGame:
14381 case MachinePlaysBlack:
14382 if (!WhiteOnMove(forwardMostMove)) {
14383 DisplayError(_("Wait until your turn"), 0);
14388 EditPositionDone(TRUE);
14390 case TwoMachinesPlay:
14395 SendToProgram("bk\n", &first);
14396 bookOutput[0] = NULLCHAR;
14397 bookRequested = TRUE;
14403 char *tags = PGNTags(&gameInfo);
14404 TagsPopUp(tags, CmailMsg());
14408 /* end button procedures */
14411 PrintPosition(fp, move)
14417 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14418 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14419 char c = PieceToChar(boards[move][i][j]);
14420 fputc(c == 'x' ? '.' : c, fp);
14421 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14424 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14425 fprintf(fp, "white to play\n");
14427 fprintf(fp, "black to play\n");
14434 if (gameInfo.white != NULL) {
14435 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14441 /* Find last component of program's own name, using some heuristics */
14443 TidyProgramName(prog, host, buf)
14444 char *prog, *host, buf[MSG_SIZ];
14447 int local = (strcmp(host, "localhost") == 0);
14448 while (!local && (p = strchr(prog, ';')) != NULL) {
14450 while (*p == ' ') p++;
14453 if (*prog == '"' || *prog == '\'') {
14454 q = strchr(prog + 1, *prog);
14456 q = strchr(prog, ' ');
14458 if (q == NULL) q = prog + strlen(prog);
14460 while (p >= prog && *p != '/' && *p != '\\') p--;
14462 if(p == prog && *p == '"') p++;
14463 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14464 memcpy(buf, p, q - p);
14465 buf[q - p] = NULLCHAR;
14473 TimeControlTagValue()
14476 if (!appData.clockMode) {
14477 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14478 } else if (movesPerSession > 0) {
14479 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14480 } else if (timeIncrement == 0) {
14481 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14483 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14485 return StrSave(buf);
14491 /* This routine is used only for certain modes */
14492 VariantClass v = gameInfo.variant;
14493 ChessMove r = GameUnfinished;
14496 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14497 r = gameInfo.result;
14498 p = gameInfo.resultDetails;
14499 gameInfo.resultDetails = NULL;
14501 ClearGameInfo(&gameInfo);
14502 gameInfo.variant = v;
14504 switch (gameMode) {
14505 case MachinePlaysWhite:
14506 gameInfo.event = StrSave( appData.pgnEventHeader );
14507 gameInfo.site = StrSave(HostName());
14508 gameInfo.date = PGNDate();
14509 gameInfo.round = StrSave("-");
14510 gameInfo.white = StrSave(first.tidy);
14511 gameInfo.black = StrSave(UserName());
14512 gameInfo.timeControl = TimeControlTagValue();
14515 case MachinePlaysBlack:
14516 gameInfo.event = StrSave( appData.pgnEventHeader );
14517 gameInfo.site = StrSave(HostName());
14518 gameInfo.date = PGNDate();
14519 gameInfo.round = StrSave("-");
14520 gameInfo.white = StrSave(UserName());
14521 gameInfo.black = StrSave(first.tidy);
14522 gameInfo.timeControl = TimeControlTagValue();
14525 case TwoMachinesPlay:
14526 gameInfo.event = StrSave( appData.pgnEventHeader );
14527 gameInfo.site = StrSave(HostName());
14528 gameInfo.date = PGNDate();
14531 snprintf(buf, MSG_SIZ, "%d", roundNr);
14532 gameInfo.round = StrSave(buf);
14534 gameInfo.round = StrSave("-");
14536 if (first.twoMachinesColor[0] == 'w') {
14537 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14538 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14540 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14541 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14543 gameInfo.timeControl = TimeControlTagValue();
14547 gameInfo.event = StrSave("Edited game");
14548 gameInfo.site = StrSave(HostName());
14549 gameInfo.date = PGNDate();
14550 gameInfo.round = StrSave("-");
14551 gameInfo.white = StrSave("-");
14552 gameInfo.black = StrSave("-");
14553 gameInfo.result = r;
14554 gameInfo.resultDetails = p;
14558 gameInfo.event = StrSave("Edited position");
14559 gameInfo.site = StrSave(HostName());
14560 gameInfo.date = PGNDate();
14561 gameInfo.round = StrSave("-");
14562 gameInfo.white = StrSave("-");
14563 gameInfo.black = StrSave("-");
14566 case IcsPlayingWhite:
14567 case IcsPlayingBlack:
14572 case PlayFromGameFile:
14573 gameInfo.event = StrSave("Game from non-PGN file");
14574 gameInfo.site = StrSave(HostName());
14575 gameInfo.date = PGNDate();
14576 gameInfo.round = StrSave("-");
14577 gameInfo.white = StrSave("?");
14578 gameInfo.black = StrSave("?");
14587 ReplaceComment(index, text)
14595 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14596 pvInfoList[index-1].depth == len &&
14597 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14598 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14599 while (*text == '\n') text++;
14600 len = strlen(text);
14601 while (len > 0 && text[len - 1] == '\n') len--;
14603 if (commentList[index] != NULL)
14604 free(commentList[index]);
14607 commentList[index] = NULL;
14610 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14611 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14612 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14613 commentList[index] = (char *) malloc(len + 2);
14614 strncpy(commentList[index], text, len);
14615 commentList[index][len] = '\n';
14616 commentList[index][len + 1] = NULLCHAR;
14618 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14620 commentList[index] = (char *) malloc(len + 7);
14621 safeStrCpy(commentList[index], "{\n", 3);
14622 safeStrCpy(commentList[index]+2, text, len+1);
14623 commentList[index][len+2] = NULLCHAR;
14624 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14625 strcat(commentList[index], "\n}\n");
14639 if (ch == '\r') continue;
14641 } while (ch != '\0');
14645 AppendComment(index, text, addBraces)
14648 Boolean addBraces; // [HGM] braces: tells if we should add {}
14653 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14654 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14657 while (*text == '\n') text++;
14658 len = strlen(text);
14659 while (len > 0 && text[len - 1] == '\n') len--;
14661 if (len == 0) return;
14663 if (commentList[index] != NULL) {
14664 Boolean addClosingBrace = addBraces;
14665 old = commentList[index];
14666 oldlen = strlen(old);
14667 while(commentList[index][oldlen-1] == '\n')
14668 commentList[index][--oldlen] = NULLCHAR;
14669 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14670 safeStrCpy(commentList[index], old, oldlen + len + 6);
14672 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14673 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14674 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14675 while (*text == '\n') { text++; len--; }
14676 commentList[index][--oldlen] = NULLCHAR;
14678 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14679 else strcat(commentList[index], "\n");
14680 strcat(commentList[index], text);
14681 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14682 else strcat(commentList[index], "\n");
14684 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14686 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14687 else commentList[index][0] = NULLCHAR;
14688 strcat(commentList[index], text);
14689 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14690 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14694 static char * FindStr( char * text, char * sub_text )
14696 char * result = strstr( text, sub_text );
14698 if( result != NULL ) {
14699 result += strlen( sub_text );
14705 /* [AS] Try to extract PV info from PGN comment */
14706 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14707 char *GetInfoFromComment( int index, char * text )
14709 char * sep = text, *p;
14711 if( text != NULL && index > 0 ) {
14714 int time = -1, sec = 0, deci;
14715 char * s_eval = FindStr( text, "[%eval " );
14716 char * s_emt = FindStr( text, "[%emt " );
14718 if( s_eval != NULL || s_emt != NULL ) {
14722 if( s_eval != NULL ) {
14723 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14727 if( delim != ']' ) {
14732 if( s_emt != NULL ) {
14737 /* We expect something like: [+|-]nnn.nn/dd */
14740 if(*text != '{') return text; // [HGM] braces: must be normal comment
14742 sep = strchr( text, '/' );
14743 if( sep == NULL || sep < (text+4) ) {
14748 if(p[1] == '(') { // comment starts with PV
14749 p = strchr(p, ')'); // locate end of PV
14750 if(p == NULL || sep < p+5) return text;
14751 // at this point we have something like "{(.*) +0.23/6 ..."
14752 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14753 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14754 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14756 time = -1; sec = -1; deci = -1;
14757 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14758 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14759 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14760 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14764 if( score_lo < 0 || score_lo >= 100 ) {
14768 if(sec >= 0) time = 600*time + 10*sec; else
14769 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14771 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14773 /* [HGM] PV time: now locate end of PV info */
14774 while( *++sep >= '0' && *sep <= '9'); // strip depth
14776 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14778 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14780 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14781 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
14792 pvInfoList[index-1].depth = depth;
14793 pvInfoList[index-1].score = score;
14794 pvInfoList[index-1].time = 10*time; // centi-sec
14795 if(*sep == '}') *sep = 0; else *--sep = '{';
14796 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14802 SendToProgram(message, cps)
14804 ChessProgramState *cps;
14806 int count, outCount, error;
14809 if (cps->pr == NULL) return;
14812 if (appData.debugMode) {
14815 fprintf(debugFP, "%ld >%-6s: %s",
14816 SubtractTimeMarks(&now, &programStartTime),
14817 cps->which, message);
14820 count = strlen(message);
14821 outCount = OutputToProcess(cps->pr, message, count, &error);
14822 if (outCount < count && !exiting
14823 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14824 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14825 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14826 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14827 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14828 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14829 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14830 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14832 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14833 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14834 gameInfo.result = res;
14836 gameInfo.resultDetails = StrSave(buf);
14838 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14839 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14844 ReceiveFromProgram(isr, closure, message, count, error)
14845 InputSourceRef isr;
14853 ChessProgramState *cps = (ChessProgramState *)closure;
14855 if (isr != cps->isr) return; /* Killed intentionally */
14858 RemoveInputSource(cps->isr);
14859 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14860 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14861 _(cps->which), cps->program);
14862 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14863 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14864 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14865 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14866 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14868 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14869 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14870 gameInfo.result = res;
14872 gameInfo.resultDetails = StrSave(buf);
14874 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14875 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14877 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14878 _(cps->which), cps->program);
14879 RemoveInputSource(cps->isr);
14881 /* [AS] Program is misbehaving badly... kill it */
14882 if( count == -2 ) {
14883 DestroyChildProcess( cps->pr, 9 );
14887 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14892 if ((end_str = strchr(message, '\r')) != NULL)
14893 *end_str = NULLCHAR;
14894 if ((end_str = strchr(message, '\n')) != NULL)
14895 *end_str = NULLCHAR;
14897 if (appData.debugMode) {
14898 TimeMark now; int print = 1;
14899 char *quote = ""; char c; int i;
14901 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14902 char start = message[0];
14903 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14904 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14905 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14906 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14907 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14908 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14909 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14910 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14911 sscanf(message, "hint: %c", &c)!=1 &&
14912 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14913 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14914 print = (appData.engineComments >= 2);
14916 message[0] = start; // restore original message
14920 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14921 SubtractTimeMarks(&now, &programStartTime), cps->which,
14927 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14928 if (appData.icsEngineAnalyze) {
14929 if (strstr(message, "whisper") != NULL ||
14930 strstr(message, "kibitz") != NULL ||
14931 strstr(message, "tellics") != NULL) return;
14934 HandleMachineMove(message, cps);
14939 SendTimeControl(cps, mps, tc, inc, sd, st)
14940 ChessProgramState *cps;
14941 int mps, inc, sd, st;
14947 if( timeControl_2 > 0 ) {
14948 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14949 tc = timeControl_2;
14952 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14953 inc /= cps->timeOdds;
14954 st /= cps->timeOdds;
14956 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14959 /* Set exact time per move, normally using st command */
14960 if (cps->stKludge) {
14961 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14963 if (seconds == 0) {
14964 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14966 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14969 snprintf(buf, MSG_SIZ, "st %d\n", st);
14972 /* Set conventional or incremental time control, using level command */
14973 if (seconds == 0) {
14974 /* Note old gnuchess bug -- minutes:seconds used to not work.
14975 Fixed in later versions, but still avoid :seconds
14976 when seconds is 0. */
14977 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14979 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14980 seconds, inc/1000.);
14983 SendToProgram(buf, cps);
14985 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14986 /* Orthogonally, limit search to given depth */
14988 if (cps->sdKludge) {
14989 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14991 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14993 SendToProgram(buf, cps);
14996 if(cps->nps >= 0) { /* [HGM] nps */
14997 if(cps->supportsNPS == FALSE)
14998 cps->nps = -1; // don't use if engine explicitly says not supported!
15000 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15001 SendToProgram(buf, cps);
15006 ChessProgramState *WhitePlayer()
15007 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15009 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15010 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15016 SendTimeRemaining(cps, machineWhite)
15017 ChessProgramState *cps;
15018 int /*boolean*/ machineWhite;
15020 char message[MSG_SIZ];
15023 /* Note: this routine must be called when the clocks are stopped
15024 or when they have *just* been set or switched; otherwise
15025 it will be off by the time since the current tick started.
15027 if (machineWhite) {
15028 time = whiteTimeRemaining / 10;
15029 otime = blackTimeRemaining / 10;
15031 time = blackTimeRemaining / 10;
15032 otime = whiteTimeRemaining / 10;
15034 /* [HGM] translate opponent's time by time-odds factor */
15035 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15036 if (appData.debugMode) {
15037 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15040 if (time <= 0) time = 1;
15041 if (otime <= 0) otime = 1;
15043 snprintf(message, MSG_SIZ, "time %ld\n", time);
15044 SendToProgram(message, cps);
15046 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15047 SendToProgram(message, cps);
15051 BoolFeature(p, name, loc, cps)
15055 ChessProgramState *cps;
15058 int len = strlen(name);
15061 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15063 sscanf(*p, "%d", &val);
15065 while (**p && **p != ' ')
15067 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15068 SendToProgram(buf, cps);
15075 IntFeature(p, name, loc, cps)
15079 ChessProgramState *cps;
15082 int len = strlen(name);
15083 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15085 sscanf(*p, "%d", loc);
15086 while (**p && **p != ' ') (*p)++;
15087 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15088 SendToProgram(buf, cps);
15095 StringFeature(p, name, loc, cps)
15099 ChessProgramState *cps;
15102 int len = strlen(name);
15103 if (strncmp((*p), name, len) == 0
15104 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15106 sscanf(*p, "%[^\"]", loc);
15107 while (**p && **p != '\"') (*p)++;
15108 if (**p == '\"') (*p)++;
15109 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15110 SendToProgram(buf, cps);
15117 ParseOption(Option *opt, ChessProgramState *cps)
15118 // [HGM] options: process the string that defines an engine option, and determine
15119 // name, type, default value, and allowed value range
15121 char *p, *q, buf[MSG_SIZ];
15122 int n, min = (-1)<<31, max = 1<<31, def;
15124 if(p = strstr(opt->name, " -spin ")) {
15125 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15126 if(max < min) max = min; // enforce consistency
15127 if(def < min) def = min;
15128 if(def > max) def = max;
15133 } else if((p = strstr(opt->name, " -slider "))) {
15134 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15135 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15136 if(max < min) max = min; // enforce consistency
15137 if(def < min) def = min;
15138 if(def > max) def = max;
15142 opt->type = Spin; // Slider;
15143 } else if((p = strstr(opt->name, " -string "))) {
15144 opt->textValue = p+9;
15145 opt->type = TextBox;
15146 } else if((p = strstr(opt->name, " -file "))) {
15147 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15148 opt->textValue = p+7;
15149 opt->type = FileName; // FileName;
15150 } else if((p = strstr(opt->name, " -path "))) {
15151 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15152 opt->textValue = p+7;
15153 opt->type = PathName; // PathName;
15154 } else if(p = strstr(opt->name, " -check ")) {
15155 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15156 opt->value = (def != 0);
15157 opt->type = CheckBox;
15158 } else if(p = strstr(opt->name, " -combo ")) {
15159 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15160 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15161 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15162 opt->value = n = 0;
15163 while(q = StrStr(q, " /// ")) {
15164 n++; *q = 0; // count choices, and null-terminate each of them
15166 if(*q == '*') { // remember default, which is marked with * prefix
15170 cps->comboList[cps->comboCnt++] = q;
15172 cps->comboList[cps->comboCnt++] = NULL;
15174 opt->type = ComboBox;
15175 } else if(p = strstr(opt->name, " -button")) {
15176 opt->type = Button;
15177 } else if(p = strstr(opt->name, " -save")) {
15178 opt->type = SaveButton;
15179 } else return FALSE;
15180 *p = 0; // terminate option name
15181 // now look if the command-line options define a setting for this engine option.
15182 if(cps->optionSettings && cps->optionSettings[0])
15183 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15184 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15185 snprintf(buf, MSG_SIZ, "option %s", p);
15186 if(p = strstr(buf, ",")) *p = 0;
15187 if(q = strchr(buf, '=')) switch(opt->type) {
15189 for(n=0; n<opt->max; n++)
15190 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15193 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15197 opt->value = atoi(q+1);
15202 SendToProgram(buf, cps);
15208 FeatureDone(cps, val)
15209 ChessProgramState* cps;
15212 DelayedEventCallback cb = GetDelayedEvent();
15213 if ((cb == InitBackEnd3 && cps == &first) ||
15214 (cb == SettingsMenuIfReady && cps == &second) ||
15215 (cb == LoadEngine) ||
15216 (cb == TwoMachinesEventIfReady)) {
15217 CancelDelayedEvent();
15218 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15220 cps->initDone = val;
15223 /* Parse feature command from engine */
15225 ParseFeatures(args, cps)
15227 ChessProgramState *cps;
15235 while (*p == ' ') p++;
15236 if (*p == NULLCHAR) return;
15238 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15239 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15240 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15241 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15242 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15243 if (BoolFeature(&p, "reuse", &val, cps)) {
15244 /* Engine can disable reuse, but can't enable it if user said no */
15245 if (!val) cps->reuse = FALSE;
15248 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15249 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15250 if (gameMode == TwoMachinesPlay) {
15251 DisplayTwoMachinesTitle();
15257 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15258 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15259 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15260 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15261 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15262 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15263 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15264 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15265 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15266 if (IntFeature(&p, "done", &val, cps)) {
15267 FeatureDone(cps, val);
15270 /* Added by Tord: */
15271 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15272 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15273 /* End of additions by Tord */
15275 /* [HGM] added features: */
15276 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15277 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15278 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15279 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15280 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15281 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15282 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15283 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15284 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15285 SendToProgram(buf, cps);
15288 if(cps->nrOptions >= MAX_OPTIONS) {
15290 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15291 DisplayError(buf, 0);
15295 /* End of additions by HGM */
15297 /* unknown feature: complain and skip */
15299 while (*q && *q != '=') q++;
15300 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15301 SendToProgram(buf, cps);
15307 while (*p && *p != '\"') p++;
15308 if (*p == '\"') p++;
15310 while (*p && *p != ' ') p++;
15318 PeriodicUpdatesEvent(newState)
15321 if (newState == appData.periodicUpdates)
15324 appData.periodicUpdates=newState;
15326 /* Display type changes, so update it now */
15327 // DisplayAnalysis();
15329 /* Get the ball rolling again... */
15331 AnalysisPeriodicEvent(1);
15332 StartAnalysisClock();
15337 PonderNextMoveEvent(newState)
15340 if (newState == appData.ponderNextMove) return;
15341 if (gameMode == EditPosition) EditPositionDone(TRUE);
15343 SendToProgram("hard\n", &first);
15344 if (gameMode == TwoMachinesPlay) {
15345 SendToProgram("hard\n", &second);
15348 SendToProgram("easy\n", &first);
15349 thinkOutput[0] = NULLCHAR;
15350 if (gameMode == TwoMachinesPlay) {
15351 SendToProgram("easy\n", &second);
15354 appData.ponderNextMove = newState;
15358 NewSettingEvent(option, feature, command, value)
15360 int option, value, *feature;
15364 if (gameMode == EditPosition) EditPositionDone(TRUE);
15365 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15366 if(feature == NULL || *feature) SendToProgram(buf, &first);
15367 if (gameMode == TwoMachinesPlay) {
15368 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15373 ShowThinkingEvent()
15374 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15376 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15377 int newState = appData.showThinking
15378 // [HGM] thinking: other features now need thinking output as well
15379 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15381 if (oldState == newState) return;
15382 oldState = newState;
15383 if (gameMode == EditPosition) EditPositionDone(TRUE);
15385 SendToProgram("post\n", &first);
15386 if (gameMode == TwoMachinesPlay) {
15387 SendToProgram("post\n", &second);
15390 SendToProgram("nopost\n", &first);
15391 thinkOutput[0] = NULLCHAR;
15392 if (gameMode == TwoMachinesPlay) {
15393 SendToProgram("nopost\n", &second);
15396 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15400 AskQuestionEvent(title, question, replyPrefix, which)
15401 char *title; char *question; char *replyPrefix; char *which;
15403 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15404 if (pr == NoProc) return;
15405 AskQuestion(title, question, replyPrefix, pr);
15409 TypeInEvent(char firstChar)
15411 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15412 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15413 gameMode == AnalyzeMode || gameMode == EditGame ||
15414 gameMode == EditPosition || gameMode == IcsExamining ||
15415 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15416 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15417 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15418 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15419 gameMode == Training) PopUpMoveDialog(firstChar);
15423 TypeInDoneEvent(char *move)
15426 int n, fromX, fromY, toX, toY;
15428 ChessMove moveType;
15431 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15432 EditPositionPasteFEN(move);
15435 // [HGM] movenum: allow move number to be typed in any mode
15436 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15441 if (gameMode != EditGame && currentMove != forwardMostMove &&
15442 gameMode != Training) {
15443 DisplayMoveError(_("Displayed move is not current"));
15445 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15446 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15447 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15448 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15449 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15450 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15452 DisplayMoveError(_("Could not parse move"));
15458 DisplayMove(moveNumber)
15461 char message[MSG_SIZ];
15463 char cpThinkOutput[MSG_SIZ];
15465 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15467 if (moveNumber == forwardMostMove - 1 ||
15468 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15470 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15472 if (strchr(cpThinkOutput, '\n')) {
15473 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15476 *cpThinkOutput = NULLCHAR;
15479 /* [AS] Hide thinking from human user */
15480 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15481 *cpThinkOutput = NULLCHAR;
15482 if( thinkOutput[0] != NULLCHAR ) {
15485 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15486 cpThinkOutput[i] = '.';
15488 cpThinkOutput[i] = NULLCHAR;
15489 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15493 if (moveNumber == forwardMostMove - 1 &&
15494 gameInfo.resultDetails != NULL) {
15495 if (gameInfo.resultDetails[0] == NULLCHAR) {
15496 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15498 snprintf(res, MSG_SIZ, " {%s} %s",
15499 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15505 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15506 DisplayMessage(res, cpThinkOutput);
15508 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15509 WhiteOnMove(moveNumber) ? " " : ".. ",
15510 parseList[moveNumber], res);
15511 DisplayMessage(message, cpThinkOutput);
15516 DisplayComment(moveNumber, text)
15520 char title[MSG_SIZ];
15522 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15523 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15525 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15526 WhiteOnMove(moveNumber) ? " " : ".. ",
15527 parseList[moveNumber]);
15529 if (text != NULL && (appData.autoDisplayComment || commentUp))
15530 CommentPopUp(title, text);
15533 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15534 * might be busy thinking or pondering. It can be omitted if your
15535 * gnuchess is configured to stop thinking immediately on any user
15536 * input. However, that gnuchess feature depends on the FIONREAD
15537 * ioctl, which does not work properly on some flavors of Unix.
15541 ChessProgramState *cps;
15544 if (!cps->useSigint) return;
15545 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15546 switch (gameMode) {
15547 case MachinePlaysWhite:
15548 case MachinePlaysBlack:
15549 case TwoMachinesPlay:
15550 case IcsPlayingWhite:
15551 case IcsPlayingBlack:
15554 /* Skip if we know it isn't thinking */
15555 if (!cps->maybeThinking) return;
15556 if (appData.debugMode)
15557 fprintf(debugFP, "Interrupting %s\n", cps->which);
15558 InterruptChildProcess(cps->pr);
15559 cps->maybeThinking = FALSE;
15564 #endif /*ATTENTION*/
15570 if (whiteTimeRemaining <= 0) {
15573 if (appData.icsActive) {
15574 if (appData.autoCallFlag &&
15575 gameMode == IcsPlayingBlack && !blackFlag) {
15576 SendToICS(ics_prefix);
15577 SendToICS("flag\n");
15581 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15583 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15584 if (appData.autoCallFlag) {
15585 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15592 if (blackTimeRemaining <= 0) {
15595 if (appData.icsActive) {
15596 if (appData.autoCallFlag &&
15597 gameMode == IcsPlayingWhite && !whiteFlag) {
15598 SendToICS(ics_prefix);
15599 SendToICS("flag\n");
15603 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15605 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15606 if (appData.autoCallFlag) {
15607 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15620 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15621 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15624 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15626 if ( !WhiteOnMove(forwardMostMove) ) {
15627 /* White made time control */
15628 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15629 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15630 /* [HGM] time odds: correct new time quota for time odds! */
15631 / WhitePlayer()->timeOdds;
15632 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15634 lastBlack -= blackTimeRemaining;
15635 /* Black made time control */
15636 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15637 / WhitePlayer()->other->timeOdds;
15638 lastWhite = whiteTimeRemaining;
15643 DisplayBothClocks()
15645 int wom = gameMode == EditPosition ?
15646 !blackPlaysFirst : WhiteOnMove(currentMove);
15647 DisplayWhiteClock(whiteTimeRemaining, wom);
15648 DisplayBlackClock(blackTimeRemaining, !wom);
15652 /* Timekeeping seems to be a portability nightmare. I think everyone
15653 has ftime(), but I'm really not sure, so I'm including some ifdefs
15654 to use other calls if you don't. Clocks will be less accurate if
15655 you have neither ftime nor gettimeofday.
15658 /* VS 2008 requires the #include outside of the function */
15659 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15660 #include <sys/timeb.h>
15663 /* Get the current time as a TimeMark */
15668 #if HAVE_GETTIMEOFDAY
15670 struct timeval timeVal;
15671 struct timezone timeZone;
15673 gettimeofday(&timeVal, &timeZone);
15674 tm->sec = (long) timeVal.tv_sec;
15675 tm->ms = (int) (timeVal.tv_usec / 1000L);
15677 #else /*!HAVE_GETTIMEOFDAY*/
15680 // include <sys/timeb.h> / moved to just above start of function
15681 struct timeb timeB;
15684 tm->sec = (long) timeB.time;
15685 tm->ms = (int) timeB.millitm;
15687 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15688 tm->sec = (long) time(NULL);
15694 /* Return the difference in milliseconds between two
15695 time marks. We assume the difference will fit in a long!
15698 SubtractTimeMarks(tm2, tm1)
15699 TimeMark *tm2, *tm1;
15701 return 1000L*(tm2->sec - tm1->sec) +
15702 (long) (tm2->ms - tm1->ms);
15707 * Code to manage the game clocks.
15709 * In tournament play, black starts the clock and then white makes a move.
15710 * We give the human user a slight advantage if he is playing white---the
15711 * clocks don't run until he makes his first move, so it takes zero time.
15712 * Also, we don't account for network lag, so we could get out of sync
15713 * with GNU Chess's clock -- but then, referees are always right.
15716 static TimeMark tickStartTM;
15717 static long intendedTickLength;
15720 NextTickLength(timeRemaining)
15721 long timeRemaining;
15723 long nominalTickLength, nextTickLength;
15725 if (timeRemaining > 0L && timeRemaining <= 10000L)
15726 nominalTickLength = 100L;
15728 nominalTickLength = 1000L;
15729 nextTickLength = timeRemaining % nominalTickLength;
15730 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15732 return nextTickLength;
15735 /* Adjust clock one minute up or down */
15737 AdjustClock(Boolean which, int dir)
15739 if(which) blackTimeRemaining += 60000*dir;
15740 else whiteTimeRemaining += 60000*dir;
15741 DisplayBothClocks();
15744 /* Stop clocks and reset to a fresh time control */
15748 (void) StopClockTimer();
15749 if (appData.icsActive) {
15750 whiteTimeRemaining = blackTimeRemaining = 0;
15751 } else if (searchTime) {
15752 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15753 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15754 } else { /* [HGM] correct new time quote for time odds */
15755 whiteTC = blackTC = fullTimeControlString;
15756 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15757 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15759 if (whiteFlag || blackFlag) {
15761 whiteFlag = blackFlag = FALSE;
15763 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15764 DisplayBothClocks();
15767 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15769 /* Decrement running clock by amount of time that has passed */
15773 long timeRemaining;
15774 long lastTickLength, fudge;
15777 if (!appData.clockMode) return;
15778 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15782 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15784 /* Fudge if we woke up a little too soon */
15785 fudge = intendedTickLength - lastTickLength;
15786 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15788 if (WhiteOnMove(forwardMostMove)) {
15789 if(whiteNPS >= 0) lastTickLength = 0;
15790 timeRemaining = whiteTimeRemaining -= lastTickLength;
15791 if(timeRemaining < 0 && !appData.icsActive) {
15792 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15793 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15794 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15795 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15798 DisplayWhiteClock(whiteTimeRemaining - fudge,
15799 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15801 if(blackNPS >= 0) lastTickLength = 0;
15802 timeRemaining = blackTimeRemaining -= lastTickLength;
15803 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15804 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15806 blackStartMove = forwardMostMove;
15807 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15810 DisplayBlackClock(blackTimeRemaining - fudge,
15811 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15813 if (CheckFlags()) return;
15816 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15817 StartClockTimer(intendedTickLength);
15819 /* if the time remaining has fallen below the alarm threshold, sound the
15820 * alarm. if the alarm has sounded and (due to a takeback or time control
15821 * with increment) the time remaining has increased to a level above the
15822 * threshold, reset the alarm so it can sound again.
15825 if (appData.icsActive && appData.icsAlarm) {
15827 /* make sure we are dealing with the user's clock */
15828 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15829 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15832 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15833 alarmSounded = FALSE;
15834 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15836 alarmSounded = TRUE;
15842 /* A player has just moved, so stop the previously running
15843 clock and (if in clock mode) start the other one.
15844 We redisplay both clocks in case we're in ICS mode, because
15845 ICS gives us an update to both clocks after every move.
15846 Note that this routine is called *after* forwardMostMove
15847 is updated, so the last fractional tick must be subtracted
15848 from the color that is *not* on move now.
15851 SwitchClocks(int newMoveNr)
15853 long lastTickLength;
15855 int flagged = FALSE;
15859 if (StopClockTimer() && appData.clockMode) {
15860 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15861 if (!WhiteOnMove(forwardMostMove)) {
15862 if(blackNPS >= 0) lastTickLength = 0;
15863 blackTimeRemaining -= lastTickLength;
15864 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15865 // if(pvInfoList[forwardMostMove].time == -1)
15866 pvInfoList[forwardMostMove].time = // use GUI time
15867 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15869 if(whiteNPS >= 0) lastTickLength = 0;
15870 whiteTimeRemaining -= lastTickLength;
15871 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15872 // if(pvInfoList[forwardMostMove].time == -1)
15873 pvInfoList[forwardMostMove].time =
15874 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15876 flagged = CheckFlags();
15878 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15879 CheckTimeControl();
15881 if (flagged || !appData.clockMode) return;
15883 switch (gameMode) {
15884 case MachinePlaysBlack:
15885 case MachinePlaysWhite:
15886 case BeginningOfGame:
15887 if (pausing) return;
15891 case PlayFromGameFile:
15899 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15900 if(WhiteOnMove(forwardMostMove))
15901 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15902 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15906 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15907 whiteTimeRemaining : blackTimeRemaining);
15908 StartClockTimer(intendedTickLength);
15912 /* Stop both clocks */
15916 long lastTickLength;
15919 if (!StopClockTimer()) return;
15920 if (!appData.clockMode) return;
15924 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15925 if (WhiteOnMove(forwardMostMove)) {
15926 if(whiteNPS >= 0) lastTickLength = 0;
15927 whiteTimeRemaining -= lastTickLength;
15928 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15930 if(blackNPS >= 0) lastTickLength = 0;
15931 blackTimeRemaining -= lastTickLength;
15932 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15937 /* Start clock of player on move. Time may have been reset, so
15938 if clock is already running, stop and restart it. */
15942 (void) StopClockTimer(); /* in case it was running already */
15943 DisplayBothClocks();
15944 if (CheckFlags()) return;
15946 if (!appData.clockMode) return;
15947 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15949 GetTimeMark(&tickStartTM);
15950 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15951 whiteTimeRemaining : blackTimeRemaining);
15953 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15954 whiteNPS = blackNPS = -1;
15955 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15956 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15957 whiteNPS = first.nps;
15958 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15959 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15960 blackNPS = first.nps;
15961 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15962 whiteNPS = second.nps;
15963 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15964 blackNPS = second.nps;
15965 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15967 StartClockTimer(intendedTickLength);
15974 long second, minute, hour, day;
15976 static char buf[32];
15978 if (ms > 0 && ms <= 9900) {
15979 /* convert milliseconds to tenths, rounding up */
15980 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15982 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15986 /* convert milliseconds to seconds, rounding up */
15987 /* use floating point to avoid strangeness of integer division
15988 with negative dividends on many machines */
15989 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15996 day = second / (60 * 60 * 24);
15997 second = second % (60 * 60 * 24);
15998 hour = second / (60 * 60);
15999 second = second % (60 * 60);
16000 minute = second / 60;
16001 second = second % 60;
16004 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16005 sign, day, hour, minute, second);
16007 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16009 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16016 * This is necessary because some C libraries aren't ANSI C compliant yet.
16019 StrStr(string, match)
16020 char *string, *match;
16024 length = strlen(match);
16026 for (i = strlen(string) - length; i >= 0; i--, string++)
16027 if (!strncmp(match, string, length))
16034 StrCaseStr(string, match)
16035 char *string, *match;
16039 length = strlen(match);
16041 for (i = strlen(string) - length; i >= 0; i--, string++) {
16042 for (j = 0; j < length; j++) {
16043 if (ToLower(match[j]) != ToLower(string[j]))
16046 if (j == length) return string;
16060 c1 = ToLower(*s1++);
16061 c2 = ToLower(*s2++);
16062 if (c1 > c2) return 1;
16063 if (c1 < c2) return -1;
16064 if (c1 == NULLCHAR) return 0;
16073 return isupper(c) ? tolower(c) : c;
16081 return islower(c) ? toupper(c) : c;
16083 #endif /* !_amigados */
16091 if ((ret = (char *) malloc(strlen(s) + 1)))
16093 safeStrCpy(ret, s, strlen(s)+1);
16099 StrSavePtr(s, savePtr)
16100 char *s, **savePtr;
16105 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16106 safeStrCpy(*savePtr, s, strlen(s)+1);
16118 clock = time((time_t *)NULL);
16119 tm = localtime(&clock);
16120 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16121 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16122 return StrSave(buf);
16127 PositionToFEN(move, overrideCastling)
16129 char *overrideCastling;
16131 int i, j, fromX, fromY, toX, toY;
16138 whiteToPlay = (gameMode == EditPosition) ?
16139 !blackPlaysFirst : (move % 2 == 0);
16142 /* Piece placement data */
16143 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16144 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16146 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16147 if (boards[move][i][j] == EmptySquare) {
16149 } else { ChessSquare piece = boards[move][i][j];
16150 if (emptycount > 0) {
16151 if(emptycount<10) /* [HGM] can be >= 10 */
16152 *p++ = '0' + emptycount;
16153 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16156 if(PieceToChar(piece) == '+') {
16157 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16159 piece = (ChessSquare)(DEMOTED piece);
16161 *p++ = PieceToChar(piece);
16163 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16164 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16169 if (emptycount > 0) {
16170 if(emptycount<10) /* [HGM] can be >= 10 */
16171 *p++ = '0' + emptycount;
16172 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16179 /* [HGM] print Crazyhouse or Shogi holdings */
16180 if( gameInfo.holdingsWidth ) {
16181 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16183 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16184 piece = boards[move][i][BOARD_WIDTH-1];
16185 if( piece != EmptySquare )
16186 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16187 *p++ = PieceToChar(piece);
16189 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16190 piece = boards[move][BOARD_HEIGHT-i-1][0];
16191 if( piece != EmptySquare )
16192 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16193 *p++ = PieceToChar(piece);
16196 if( q == p ) *p++ = '-';
16202 *p++ = whiteToPlay ? 'w' : 'b';
16205 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16206 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16208 if(nrCastlingRights) {
16210 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16211 /* [HGM] write directly from rights */
16212 if(boards[move][CASTLING][2] != NoRights &&
16213 boards[move][CASTLING][0] != NoRights )
16214 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16215 if(boards[move][CASTLING][2] != NoRights &&
16216 boards[move][CASTLING][1] != NoRights )
16217 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16218 if(boards[move][CASTLING][5] != NoRights &&
16219 boards[move][CASTLING][3] != NoRights )
16220 *p++ = boards[move][CASTLING][3] + AAA;
16221 if(boards[move][CASTLING][5] != NoRights &&
16222 boards[move][CASTLING][4] != NoRights )
16223 *p++ = boards[move][CASTLING][4] + AAA;
16226 /* [HGM] write true castling rights */
16227 if( nrCastlingRights == 6 ) {
16228 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16229 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16230 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16231 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16232 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16233 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16234 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16235 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16238 if (q == p) *p++ = '-'; /* No castling rights */
16242 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16243 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16244 /* En passant target square */
16245 if (move > backwardMostMove) {
16246 fromX = moveList[move - 1][0] - AAA;
16247 fromY = moveList[move - 1][1] - ONE;
16248 toX = moveList[move - 1][2] - AAA;
16249 toY = moveList[move - 1][3] - ONE;
16250 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16251 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16252 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16254 /* 2-square pawn move just happened */
16256 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16260 } else if(move == backwardMostMove) {
16261 // [HGM] perhaps we should always do it like this, and forget the above?
16262 if((signed char)boards[move][EP_STATUS] >= 0) {
16263 *p++ = boards[move][EP_STATUS] + AAA;
16264 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16275 /* [HGM] find reversible plies */
16276 { int i = 0, j=move;
16278 if (appData.debugMode) { int k;
16279 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16280 for(k=backwardMostMove; k<=forwardMostMove; k++)
16281 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16285 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16286 if( j == backwardMostMove ) i += initialRulePlies;
16287 sprintf(p, "%d ", i);
16288 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16290 /* Fullmove number */
16291 sprintf(p, "%d", (move / 2) + 1);
16293 return StrSave(buf);
16297 ParseFEN(board, blackPlaysFirst, fen)
16299 int *blackPlaysFirst;
16309 /* [HGM] by default clear Crazyhouse holdings, if present */
16310 if(gameInfo.holdingsWidth) {
16311 for(i=0; i<BOARD_HEIGHT; i++) {
16312 board[i][0] = EmptySquare; /* black holdings */
16313 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16314 board[i][1] = (ChessSquare) 0; /* black counts */
16315 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16319 /* Piece placement data */
16320 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16323 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16324 if (*p == '/') p++;
16325 emptycount = gameInfo.boardWidth - j;
16326 while (emptycount--)
16327 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16329 #if(BOARD_FILES >= 10)
16330 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16331 p++; emptycount=10;
16332 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16333 while (emptycount--)
16334 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16336 } else if (isdigit(*p)) {
16337 emptycount = *p++ - '0';
16338 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16339 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16340 while (emptycount--)
16341 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16342 } else if (*p == '+' || isalpha(*p)) {
16343 if (j >= gameInfo.boardWidth) return FALSE;
16345 piece = CharToPiece(*++p);
16346 if(piece == EmptySquare) return FALSE; /* unknown piece */
16347 piece = (ChessSquare) (PROMOTED piece ); p++;
16348 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16349 } else piece = CharToPiece(*p++);
16351 if(piece==EmptySquare) return FALSE; /* unknown piece */
16352 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16353 piece = (ChessSquare) (PROMOTED piece);
16354 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16357 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16363 while (*p == '/' || *p == ' ') p++;
16365 /* [HGM] look for Crazyhouse holdings here */
16366 while(*p==' ') p++;
16367 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16369 if(*p == '-' ) p++; /* empty holdings */ else {
16370 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16371 /* if we would allow FEN reading to set board size, we would */
16372 /* have to add holdings and shift the board read so far here */
16373 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16375 if((int) piece >= (int) BlackPawn ) {
16376 i = (int)piece - (int)BlackPawn;
16377 i = PieceToNumber((ChessSquare)i);
16378 if( i >= gameInfo.holdingsSize ) return FALSE;
16379 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16380 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16382 i = (int)piece - (int)WhitePawn;
16383 i = PieceToNumber((ChessSquare)i);
16384 if( i >= gameInfo.holdingsSize ) return FALSE;
16385 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16386 board[i][BOARD_WIDTH-2]++; /* black holdings */
16393 while(*p == ' ') p++;
16397 if(appData.colorNickNames) {
16398 if( c == appData.colorNickNames[0] ) c = 'w'; else
16399 if( c == appData.colorNickNames[1] ) c = 'b';
16403 *blackPlaysFirst = FALSE;
16406 *blackPlaysFirst = TRUE;
16412 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16413 /* return the extra info in global variiables */
16415 /* set defaults in case FEN is incomplete */
16416 board[EP_STATUS] = EP_UNKNOWN;
16417 for(i=0; i<nrCastlingRights; i++ ) {
16418 board[CASTLING][i] =
16419 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16420 } /* assume possible unless obviously impossible */
16421 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16422 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16423 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16424 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16425 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16426 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16427 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16428 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16431 while(*p==' ') p++;
16432 if(nrCastlingRights) {
16433 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16434 /* castling indicator present, so default becomes no castlings */
16435 for(i=0; i<nrCastlingRights; i++ ) {
16436 board[CASTLING][i] = NoRights;
16439 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16440 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16441 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16442 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16443 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16445 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16446 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16447 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16449 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16450 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16451 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16452 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16453 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16454 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16457 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16458 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16459 board[CASTLING][2] = whiteKingFile;
16462 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16463 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16464 board[CASTLING][2] = whiteKingFile;
16467 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16468 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16469 board[CASTLING][5] = blackKingFile;
16472 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16473 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16474 board[CASTLING][5] = blackKingFile;
16477 default: /* FRC castlings */
16478 if(c >= 'a') { /* black rights */
16479 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16480 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16481 if(i == BOARD_RGHT) break;
16482 board[CASTLING][5] = i;
16484 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16485 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16487 board[CASTLING][3] = c;
16489 board[CASTLING][4] = c;
16490 } else { /* white rights */
16491 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16492 if(board[0][i] == WhiteKing) break;
16493 if(i == BOARD_RGHT) break;
16494 board[CASTLING][2] = i;
16495 c -= AAA - 'a' + 'A';
16496 if(board[0][c] >= WhiteKing) break;
16498 board[CASTLING][0] = c;
16500 board[CASTLING][1] = c;
16504 for(i=0; i<nrCastlingRights; i++)
16505 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16506 if (appData.debugMode) {
16507 fprintf(debugFP, "FEN castling rights:");
16508 for(i=0; i<nrCastlingRights; i++)
16509 fprintf(debugFP, " %d", board[CASTLING][i]);
16510 fprintf(debugFP, "\n");
16513 while(*p==' ') p++;
16516 /* read e.p. field in games that know e.p. capture */
16517 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16518 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16520 p++; board[EP_STATUS] = EP_NONE;
16522 char c = *p++ - AAA;
16524 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16525 if(*p >= '0' && *p <='9') p++;
16526 board[EP_STATUS] = c;
16531 if(sscanf(p, "%d", &i) == 1) {
16532 FENrulePlies = i; /* 50-move ply counter */
16533 /* (The move number is still ignored) */
16540 EditPositionPasteFEN(char *fen)
16543 Board initial_position;
16545 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16546 DisplayError(_("Bad FEN position in clipboard"), 0);
16549 int savedBlackPlaysFirst = blackPlaysFirst;
16550 EditPositionEvent();
16551 blackPlaysFirst = savedBlackPlaysFirst;
16552 CopyBoard(boards[0], initial_position);
16553 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16554 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16555 DisplayBothClocks();
16556 DrawPosition(FALSE, boards[currentMove]);
16561 static char cseq[12] = "\\ ";
16563 Boolean set_cont_sequence(char *new_seq)
16568 // handle bad attempts to set the sequence
16570 return 0; // acceptable error - no debug
16572 len = strlen(new_seq);
16573 ret = (len > 0) && (len < sizeof(cseq));
16575 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16576 else if (appData.debugMode)
16577 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16582 reformat a source message so words don't cross the width boundary. internal
16583 newlines are not removed. returns the wrapped size (no null character unless
16584 included in source message). If dest is NULL, only calculate the size required
16585 for the dest buffer. lp argument indicats line position upon entry, and it's
16586 passed back upon exit.
16588 int wrap(char *dest, char *src, int count, int width, int *lp)
16590 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16592 cseq_len = strlen(cseq);
16593 old_line = line = *lp;
16594 ansi = len = clen = 0;
16596 for (i=0; i < count; i++)
16598 if (src[i] == '\033')
16601 // if we hit the width, back up
16602 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16604 // store i & len in case the word is too long
16605 old_i = i, old_len = len;
16607 // find the end of the last word
16608 while (i && src[i] != ' ' && src[i] != '\n')
16614 // word too long? restore i & len before splitting it
16615 if ((old_i-i+clen) >= width)
16622 if (i && src[i-1] == ' ')
16625 if (src[i] != ' ' && src[i] != '\n')
16632 // now append the newline and continuation sequence
16637 strncpy(dest+len, cseq, cseq_len);
16645 dest[len] = src[i];
16649 if (src[i] == '\n')
16654 if (dest && appData.debugMode)
16656 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16657 count, width, line, len, *lp);
16658 show_bytes(debugFP, src, count);
16659 fprintf(debugFP, "\ndest: ");
16660 show_bytes(debugFP, dest, len);
16661 fprintf(debugFP, "\n");
16663 *lp = dest ? line : old_line;
16668 // [HGM] vari: routines for shelving variations
16669 Boolean modeRestore = FALSE;
16672 PushInner(int firstMove, int lastMove)
16674 int i, j, nrMoves = lastMove - firstMove;
16676 // push current tail of game on stack
16677 savedResult[storedGames] = gameInfo.result;
16678 savedDetails[storedGames] = gameInfo.resultDetails;
16679 gameInfo.resultDetails = NULL;
16680 savedFirst[storedGames] = firstMove;
16681 savedLast [storedGames] = lastMove;
16682 savedFramePtr[storedGames] = framePtr;
16683 framePtr -= nrMoves; // reserve space for the boards
16684 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16685 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16686 for(j=0; j<MOVE_LEN; j++)
16687 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16688 for(j=0; j<2*MOVE_LEN; j++)
16689 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16690 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16691 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16692 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16693 pvInfoList[firstMove+i-1].depth = 0;
16694 commentList[framePtr+i] = commentList[firstMove+i];
16695 commentList[firstMove+i] = NULL;
16699 forwardMostMove = firstMove; // truncate game so we can start variation
16703 PushTail(int firstMove, int lastMove)
16705 if(appData.icsActive) { // only in local mode
16706 forwardMostMove = currentMove; // mimic old ICS behavior
16709 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16711 PushInner(firstMove, lastMove);
16712 if(storedGames == 1) GreyRevert(FALSE);
16713 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16717 PopInner(Boolean annotate)
16720 char buf[8000], moveBuf[20];
16722 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16723 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16724 nrMoves = savedLast[storedGames] - currentMove;
16727 if(!WhiteOnMove(currentMove))
16728 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16729 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16730 for(i=currentMove; i<forwardMostMove; i++) {
16732 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16733 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16734 strcat(buf, moveBuf);
16735 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16736 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16740 for(i=1; i<=nrMoves; i++) { // copy last variation back
16741 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16742 for(j=0; j<MOVE_LEN; j++)
16743 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16744 for(j=0; j<2*MOVE_LEN; j++)
16745 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16746 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16747 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16748 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16749 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16750 commentList[currentMove+i] = commentList[framePtr+i];
16751 commentList[framePtr+i] = NULL;
16753 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16754 framePtr = savedFramePtr[storedGames];
16755 gameInfo.result = savedResult[storedGames];
16756 if(gameInfo.resultDetails != NULL) {
16757 free(gameInfo.resultDetails);
16759 gameInfo.resultDetails = savedDetails[storedGames];
16760 forwardMostMove = currentMove + nrMoves;
16764 PopTail(Boolean annotate)
16766 if(appData.icsActive) return FALSE; // only in local mode
16767 if(!storedGames) return FALSE; // sanity
16768 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16770 PopInner(annotate);
16771 if(currentMove < forwardMostMove) ForwardEvent(); else
16772 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16774 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16780 { // remove all shelved variations
16782 for(i=0; i<storedGames; i++) {
16783 if(savedDetails[i])
16784 free(savedDetails[i]);
16785 savedDetails[i] = NULL;
16787 for(i=framePtr; i<MAX_MOVES; i++) {
16788 if(commentList[i]) free(commentList[i]);
16789 commentList[i] = NULL;
16791 framePtr = MAX_MOVES-1;
16796 LoadVariation(int index, char *text)
16797 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16798 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16799 int level = 0, move;
16801 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16802 // first find outermost bracketing variation
16803 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16804 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16805 if(*p == '{') wait = '}'; else
16806 if(*p == '[') wait = ']'; else
16807 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16808 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16810 if(*p == wait) wait = NULLCHAR; // closing ]} found
16813 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16814 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16815 end[1] = NULLCHAR; // clip off comment beyond variation
16816 ToNrEvent(currentMove-1);
16817 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16818 // kludge: use ParsePV() to append variation to game
16819 move = currentMove;
16820 ParsePV(start, TRUE, TRUE);
16821 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16822 ClearPremoveHighlights();
16824 ToNrEvent(currentMove+1);