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, WhiteFalcon, WhiteQueen,
622 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
623 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
624 BlackKing, BlackFalcon, 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 DisplayBook(current+1);
1670 MoveHistorySet( movelist, first, last, current, pvInfoList );
1672 EvalGraphSet( first, last, current, pvInfoList );
1674 MakeEngineOutputTitle();
1678 * Establish will establish a contact to a remote host.port.
1679 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1680 * used to talk to the host.
1681 * Returns 0 if okay, error code if not.
1688 if (*appData.icsCommPort != NULLCHAR) {
1689 /* Talk to the host through a serial comm port */
1690 return OpenCommPort(appData.icsCommPort, &icsPR);
1692 } else if (*appData.gateway != NULLCHAR) {
1693 if (*appData.remoteShell == NULLCHAR) {
1694 /* Use the rcmd protocol to run telnet program on a gateway host */
1695 snprintf(buf, sizeof(buf), "%s %s %s",
1696 appData.telnetProgram, appData.icsHost, appData.icsPort);
1697 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1700 /* Use the rsh program to run telnet program on a gateway host */
1701 if (*appData.remoteUser == NULLCHAR) {
1702 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1703 appData.gateway, appData.telnetProgram,
1704 appData.icsHost, appData.icsPort);
1706 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1707 appData.remoteShell, appData.gateway,
1708 appData.remoteUser, appData.telnetProgram,
1709 appData.icsHost, appData.icsPort);
1711 return StartChildProcess(buf, "", &icsPR);
1714 } else if (appData.useTelnet) {
1715 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1718 /* TCP socket interface differs somewhat between
1719 Unix and NT; handle details in the front end.
1721 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1725 void EscapeExpand(char *p, char *q)
1726 { // [HGM] initstring: routine to shape up string arguments
1727 while(*p++ = *q++) if(p[-1] == '\\')
1729 case 'n': p[-1] = '\n'; break;
1730 case 'r': p[-1] = '\r'; break;
1731 case 't': p[-1] = '\t'; break;
1732 case '\\': p[-1] = '\\'; break;
1733 case 0: *p = 0; return;
1734 default: p[-1] = q[-1]; break;
1739 show_bytes(fp, buf, count)
1745 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1746 fprintf(fp, "\\%03o", *buf & 0xff);
1755 /* Returns an errno value */
1757 OutputMaybeTelnet(pr, message, count, outError)
1763 char buf[8192], *p, *q, *buflim;
1764 int left, newcount, outcount;
1766 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1767 *appData.gateway != NULLCHAR) {
1768 if (appData.debugMode) {
1769 fprintf(debugFP, ">ICS: ");
1770 show_bytes(debugFP, message, count);
1771 fprintf(debugFP, "\n");
1773 return OutputToProcess(pr, message, count, outError);
1776 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1783 if (appData.debugMode) {
1784 fprintf(debugFP, ">ICS: ");
1785 show_bytes(debugFP, buf, newcount);
1786 fprintf(debugFP, "\n");
1788 outcount = OutputToProcess(pr, buf, newcount, outError);
1789 if (outcount < newcount) return -1; /* to be sure */
1796 } else if (((unsigned char) *p) == TN_IAC) {
1797 *q++ = (char) TN_IAC;
1804 if (appData.debugMode) {
1805 fprintf(debugFP, ">ICS: ");
1806 show_bytes(debugFP, buf, newcount);
1807 fprintf(debugFP, "\n");
1809 outcount = OutputToProcess(pr, buf, newcount, outError);
1810 if (outcount < newcount) return -1; /* to be sure */
1815 read_from_player(isr, closure, message, count, error)
1822 int outError, outCount;
1823 static int gotEof = 0;
1825 /* Pass data read from player on to ICS */
1828 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1829 if (outCount < count) {
1830 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1832 } else if (count < 0) {
1833 RemoveInputSource(isr);
1834 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1835 } else if (gotEof++ > 0) {
1836 RemoveInputSource(isr);
1837 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1843 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1844 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1845 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1846 SendToICS("date\n");
1847 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1850 /* added routine for printf style output to ics */
1851 void ics_printf(char *format, ...)
1853 char buffer[MSG_SIZ];
1856 va_start(args, format);
1857 vsnprintf(buffer, sizeof(buffer), format, args);
1858 buffer[sizeof(buffer)-1] = '\0';
1867 int count, outCount, outError;
1869 if (icsPR == NULL) return;
1872 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1873 if (outCount < count) {
1874 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1878 /* This is used for sending logon scripts to the ICS. Sending
1879 without a delay causes problems when using timestamp on ICC
1880 (at least on my machine). */
1882 SendToICSDelayed(s,msdelay)
1886 int count, outCount, outError;
1888 if (icsPR == NULL) return;
1891 if (appData.debugMode) {
1892 fprintf(debugFP, ">ICS: ");
1893 show_bytes(debugFP, s, count);
1894 fprintf(debugFP, "\n");
1896 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1898 if (outCount < count) {
1899 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1904 /* Remove all highlighting escape sequences in s
1905 Also deletes any suffix starting with '('
1908 StripHighlightAndTitle(s)
1911 static char retbuf[MSG_SIZ];
1914 while (*s != NULLCHAR) {
1915 while (*s == '\033') {
1916 while (*s != NULLCHAR && !isalpha(*s)) s++;
1917 if (*s != NULLCHAR) s++;
1919 while (*s != NULLCHAR && *s != '\033') {
1920 if (*s == '(' || *s == '[') {
1931 /* Remove all highlighting escape sequences in s */
1936 static char retbuf[MSG_SIZ];
1939 while (*s != NULLCHAR) {
1940 while (*s == '\033') {
1941 while (*s != NULLCHAR && !isalpha(*s)) s++;
1942 if (*s != NULLCHAR) s++;
1944 while (*s != NULLCHAR && *s != '\033') {
1952 char *variantNames[] = VARIANT_NAMES;
1957 return variantNames[v];
1961 /* Identify a variant from the strings the chess servers use or the
1962 PGN Variant tag names we use. */
1969 VariantClass v = VariantNormal;
1970 int i, found = FALSE;
1976 /* [HGM] skip over optional board-size prefixes */
1977 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1978 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1979 while( *e++ != '_');
1982 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1986 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1987 if (StrCaseStr(e, variantNames[i])) {
1988 v = (VariantClass) i;
1995 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1996 || StrCaseStr(e, "wild/fr")
1997 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1998 v = VariantFischeRandom;
1999 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2000 (i = 1, p = StrCaseStr(e, "w"))) {
2002 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2009 case 0: /* FICS only, actually */
2011 /* Castling legal even if K starts on d-file */
2012 v = VariantWildCastle;
2017 /* Castling illegal even if K & R happen to start in
2018 normal positions. */
2019 v = VariantNoCastle;
2032 /* Castling legal iff K & R start in normal positions */
2038 /* Special wilds for position setup; unclear what to do here */
2039 v = VariantLoadable;
2042 /* Bizarre ICC game */
2043 v = VariantTwoKings;
2046 v = VariantKriegspiel;
2052 v = VariantFischeRandom;
2055 v = VariantCrazyhouse;
2058 v = VariantBughouse;
2064 /* Not quite the same as FICS suicide! */
2065 v = VariantGiveaway;
2071 v = VariantShatranj;
2074 /* Temporary names for future ICC types. The name *will* change in
2075 the next xboard/WinBoard release after ICC defines it. */
2113 v = VariantCapablanca;
2116 v = VariantKnightmate;
2122 v = VariantCylinder;
2128 v = VariantCapaRandom;
2131 v = VariantBerolina;
2143 /* Found "wild" or "w" in the string but no number;
2144 must assume it's normal chess. */
2148 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2149 if( (len > MSG_SIZ) && appData.debugMode )
2150 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2152 DisplayError(buf, 0);
2158 if (appData.debugMode) {
2159 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2160 e, wnum, VariantName(v));
2165 static int leftover_start = 0, leftover_len = 0;
2166 char star_match[STAR_MATCH_N][MSG_SIZ];
2168 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2169 advance *index beyond it, and set leftover_start to the new value of
2170 *index; else return FALSE. If pattern contains the character '*', it
2171 matches any sequence of characters not containing '\r', '\n', or the
2172 character following the '*' (if any), and the matched sequence(s) are
2173 copied into star_match.
2176 looking_at(buf, index, pattern)
2181 char *bufp = &buf[*index], *patternp = pattern;
2183 char *matchp = star_match[0];
2186 if (*patternp == NULLCHAR) {
2187 *index = leftover_start = bufp - buf;
2191 if (*bufp == NULLCHAR) return FALSE;
2192 if (*patternp == '*') {
2193 if (*bufp == *(patternp + 1)) {
2195 matchp = star_match[++star_count];
2199 } else if (*bufp == '\n' || *bufp == '\r') {
2201 if (*patternp == NULLCHAR)
2206 *matchp++ = *bufp++;
2210 if (*patternp != *bufp) return FALSE;
2217 SendToPlayer(data, length)
2221 int error, outCount;
2222 outCount = OutputToProcess(NoProc, data, length, &error);
2223 if (outCount < length) {
2224 DisplayFatalError(_("Error writing to display"), error, 1);
2229 PackHolding(packed, holding)
2241 switch (runlength) {
2252 sprintf(q, "%d", runlength);
2264 /* Telnet protocol requests from the front end */
2266 TelnetRequest(ddww, option)
2267 unsigned char ddww, option;
2269 unsigned char msg[3];
2270 int outCount, outError;
2272 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2274 if (appData.debugMode) {
2275 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2291 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2300 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2303 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2308 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2310 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2317 if (!appData.icsActive) return;
2318 TelnetRequest(TN_DO, TN_ECHO);
2324 if (!appData.icsActive) return;
2325 TelnetRequest(TN_DONT, TN_ECHO);
2329 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2331 /* put the holdings sent to us by the server on the board holdings area */
2332 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2336 if(gameInfo.holdingsWidth < 2) return;
2337 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2338 return; // prevent overwriting by pre-board holdings
2340 if( (int)lowestPiece >= BlackPawn ) {
2343 holdingsStartRow = BOARD_HEIGHT-1;
2346 holdingsColumn = BOARD_WIDTH-1;
2347 countsColumn = BOARD_WIDTH-2;
2348 holdingsStartRow = 0;
2352 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2353 board[i][holdingsColumn] = EmptySquare;
2354 board[i][countsColumn] = (ChessSquare) 0;
2356 while( (p=*holdings++) != NULLCHAR ) {
2357 piece = CharToPiece( ToUpper(p) );
2358 if(piece == EmptySquare) continue;
2359 /*j = (int) piece - (int) WhitePawn;*/
2360 j = PieceToNumber(piece);
2361 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2362 if(j < 0) continue; /* should not happen */
2363 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2364 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2365 board[holdingsStartRow+j*direction][countsColumn]++;
2371 VariantSwitch(Board board, VariantClass newVariant)
2373 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2374 static Board oldBoard;
2376 startedFromPositionFile = FALSE;
2377 if(gameInfo.variant == newVariant) return;
2379 /* [HGM] This routine is called each time an assignment is made to
2380 * gameInfo.variant during a game, to make sure the board sizes
2381 * are set to match the new variant. If that means adding or deleting
2382 * holdings, we shift the playing board accordingly
2383 * This kludge is needed because in ICS observe mode, we get boards
2384 * of an ongoing game without knowing the variant, and learn about the
2385 * latter only later. This can be because of the move list we requested,
2386 * in which case the game history is refilled from the beginning anyway,
2387 * but also when receiving holdings of a crazyhouse game. In the latter
2388 * case we want to add those holdings to the already received position.
2392 if (appData.debugMode) {
2393 fprintf(debugFP, "Switch board from %s to %s\n",
2394 VariantName(gameInfo.variant), VariantName(newVariant));
2395 setbuf(debugFP, NULL);
2397 shuffleOpenings = 0; /* [HGM] shuffle */
2398 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2402 newWidth = 9; newHeight = 9;
2403 gameInfo.holdingsSize = 7;
2404 case VariantBughouse:
2405 case VariantCrazyhouse:
2406 newHoldingsWidth = 2; break;
2410 newHoldingsWidth = 2;
2411 gameInfo.holdingsSize = 8;
2414 case VariantCapablanca:
2415 case VariantCapaRandom:
2418 newHoldingsWidth = gameInfo.holdingsSize = 0;
2421 if(newWidth != gameInfo.boardWidth ||
2422 newHeight != gameInfo.boardHeight ||
2423 newHoldingsWidth != gameInfo.holdingsWidth ) {
2425 /* shift position to new playing area, if needed */
2426 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2427 for(i=0; i<BOARD_HEIGHT; i++)
2428 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2429 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2431 for(i=0; i<newHeight; i++) {
2432 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2433 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2435 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2436 for(i=0; i<BOARD_HEIGHT; i++)
2437 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2438 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2441 gameInfo.boardWidth = newWidth;
2442 gameInfo.boardHeight = newHeight;
2443 gameInfo.holdingsWidth = newHoldingsWidth;
2444 gameInfo.variant = newVariant;
2445 InitDrawingSizes(-2, 0);
2446 } else gameInfo.variant = newVariant;
2447 CopyBoard(oldBoard, board); // remember correctly formatted board
2448 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2449 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2452 static int loggedOn = FALSE;
2454 /*-- Game start info cache: --*/
2456 char gs_kind[MSG_SIZ];
2457 static char player1Name[128] = "";
2458 static char player2Name[128] = "";
2459 static char cont_seq[] = "\n\\ ";
2460 static int player1Rating = -1;
2461 static int player2Rating = -1;
2462 /*----------------------------*/
2464 ColorClass curColor = ColorNormal;
2465 int suppressKibitz = 0;
2468 Boolean soughtPending = FALSE;
2469 Boolean seekGraphUp;
2470 #define MAX_SEEK_ADS 200
2472 char *seekAdList[MAX_SEEK_ADS];
2473 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2474 float tcList[MAX_SEEK_ADS];
2475 char colorList[MAX_SEEK_ADS];
2476 int nrOfSeekAds = 0;
2477 int minRating = 1010, maxRating = 2800;
2478 int hMargin = 10, vMargin = 20, h, w;
2479 extern int squareSize, lineGap;
2484 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2485 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2486 if(r < minRating+100 && r >=0 ) r = minRating+100;
2487 if(r > maxRating) r = maxRating;
2488 if(tc < 1.) tc = 1.;
2489 if(tc > 95.) tc = 95.;
2490 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2491 y = ((double)r - minRating)/(maxRating - minRating)
2492 * (h-vMargin-squareSize/8-1) + vMargin;
2493 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2494 if(strstr(seekAdList[i], " u ")) color = 1;
2495 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2496 !strstr(seekAdList[i], "bullet") &&
2497 !strstr(seekAdList[i], "blitz") &&
2498 !strstr(seekAdList[i], "standard") ) color = 2;
2499 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2500 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2504 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2506 char buf[MSG_SIZ], *ext = "";
2507 VariantClass v = StringToVariant(type);
2508 if(strstr(type, "wild")) {
2509 ext = type + 4; // append wild number
2510 if(v == VariantFischeRandom) type = "chess960"; else
2511 if(v == VariantLoadable) type = "setup"; else
2512 type = VariantName(v);
2514 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2515 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2516 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2517 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2518 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2519 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2520 seekNrList[nrOfSeekAds] = nr;
2521 zList[nrOfSeekAds] = 0;
2522 seekAdList[nrOfSeekAds++] = StrSave(buf);
2523 if(plot) PlotSeekAd(nrOfSeekAds-1);
2530 int x = xList[i], y = yList[i], d=squareSize/4, k;
2531 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2532 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2533 // now replot every dot that overlapped
2534 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2535 int xx = xList[k], yy = yList[k];
2536 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2537 DrawSeekDot(xx, yy, colorList[k]);
2542 RemoveSeekAd(int nr)
2545 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2547 if(seekAdList[i]) free(seekAdList[i]);
2548 seekAdList[i] = seekAdList[--nrOfSeekAds];
2549 seekNrList[i] = seekNrList[nrOfSeekAds];
2550 ratingList[i] = ratingList[nrOfSeekAds];
2551 colorList[i] = colorList[nrOfSeekAds];
2552 tcList[i] = tcList[nrOfSeekAds];
2553 xList[i] = xList[nrOfSeekAds];
2554 yList[i] = yList[nrOfSeekAds];
2555 zList[i] = zList[nrOfSeekAds];
2556 seekAdList[nrOfSeekAds] = NULL;
2562 MatchSoughtLine(char *line)
2564 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2565 int nr, base, inc, u=0; char dummy;
2567 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2568 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2570 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2571 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2572 // match: compact and save the line
2573 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2583 if(!seekGraphUp) return FALSE;
2584 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2585 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2587 DrawSeekBackground(0, 0, w, h);
2588 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2589 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2590 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2591 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2593 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2596 snprintf(buf, MSG_SIZ, "%d", i);
2597 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2600 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2601 for(i=1; i<100; i+=(i<10?1:5)) {
2602 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2603 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2604 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2606 snprintf(buf, MSG_SIZ, "%d", i);
2607 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2610 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2614 int SeekGraphClick(ClickType click, int x, int y, int moving)
2616 static int lastDown = 0, displayed = 0, lastSecond;
2617 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2618 if(click == Release || moving) return FALSE;
2620 soughtPending = TRUE;
2621 SendToICS(ics_prefix);
2622 SendToICS("sought\n"); // should this be "sought all"?
2623 } else { // issue challenge based on clicked ad
2624 int dist = 10000; int i, closest = 0, second = 0;
2625 for(i=0; i<nrOfSeekAds; i++) {
2626 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2627 if(d < dist) { dist = d; closest = i; }
2628 second += (d - zList[i] < 120); // count in-range ads
2629 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2633 second = (second > 1);
2634 if(displayed != closest || second != lastSecond) {
2635 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2636 lastSecond = second; displayed = closest;
2638 if(click == Press) {
2639 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2642 } // on press 'hit', only show info
2643 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2644 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2645 SendToICS(ics_prefix);
2647 return TRUE; // let incoming board of started game pop down the graph
2648 } else if(click == Release) { // release 'miss' is ignored
2649 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2650 if(moving == 2) { // right up-click
2651 nrOfSeekAds = 0; // refresh graph
2652 soughtPending = TRUE;
2653 SendToICS(ics_prefix);
2654 SendToICS("sought\n"); // should this be "sought all"?
2657 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2658 // press miss or release hit 'pop down' seek graph
2659 seekGraphUp = FALSE;
2660 DrawPosition(TRUE, NULL);
2666 read_from_ics(isr, closure, data, count, error)
2673 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2674 #define STARTED_NONE 0
2675 #define STARTED_MOVES 1
2676 #define STARTED_BOARD 2
2677 #define STARTED_OBSERVE 3
2678 #define STARTED_HOLDINGS 4
2679 #define STARTED_CHATTER 5
2680 #define STARTED_COMMENT 6
2681 #define STARTED_MOVES_NOHIDE 7
2683 static int started = STARTED_NONE;
2684 static char parse[20000];
2685 static int parse_pos = 0;
2686 static char buf[BUF_SIZE + 1];
2687 static int firstTime = TRUE, intfSet = FALSE;
2688 static ColorClass prevColor = ColorNormal;
2689 static int savingComment = FALSE;
2690 static int cmatch = 0; // continuation sequence match
2697 int backup; /* [DM] For zippy color lines */
2699 char talker[MSG_SIZ]; // [HGM] chat
2702 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2704 if (appData.debugMode) {
2706 fprintf(debugFP, "<ICS: ");
2707 show_bytes(debugFP, data, count);
2708 fprintf(debugFP, "\n");
2712 if (appData.debugMode) { int f = forwardMostMove;
2713 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2714 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2715 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2718 /* If last read ended with a partial line that we couldn't parse,
2719 prepend it to the new read and try again. */
2720 if (leftover_len > 0) {
2721 for (i=0; i<leftover_len; i++)
2722 buf[i] = buf[leftover_start + i];
2725 /* copy new characters into the buffer */
2726 bp = buf + leftover_len;
2727 buf_len=leftover_len;
2728 for (i=0; i<count; i++)
2731 if (data[i] == '\r')
2734 // join lines split by ICS?
2735 if (!appData.noJoin)
2738 Joining just consists of finding matches against the
2739 continuation sequence, and discarding that sequence
2740 if found instead of copying it. So, until a match
2741 fails, there's nothing to do since it might be the
2742 complete sequence, and thus, something we don't want
2745 if (data[i] == cont_seq[cmatch])
2748 if (cmatch == strlen(cont_seq))
2750 cmatch = 0; // complete match. just reset the counter
2753 it's possible for the ICS to not include the space
2754 at the end of the last word, making our [correct]
2755 join operation fuse two separate words. the server
2756 does this when the space occurs at the width setting.
2758 if (!buf_len || buf[buf_len-1] != ' ')
2769 match failed, so we have to copy what matched before
2770 falling through and copying this character. In reality,
2771 this will only ever be just the newline character, but
2772 it doesn't hurt to be precise.
2774 strncpy(bp, cont_seq, cmatch);
2786 buf[buf_len] = NULLCHAR;
2787 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2792 while (i < buf_len) {
2793 /* Deal with part of the TELNET option negotiation
2794 protocol. We refuse to do anything beyond the
2795 defaults, except that we allow the WILL ECHO option,
2796 which ICS uses to turn off password echoing when we are
2797 directly connected to it. We reject this option
2798 if localLineEditing mode is on (always on in xboard)
2799 and we are talking to port 23, which might be a real
2800 telnet server that will try to keep WILL ECHO on permanently.
2802 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2803 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2804 unsigned char option;
2806 switch ((unsigned char) buf[++i]) {
2808 if (appData.debugMode)
2809 fprintf(debugFP, "\n<WILL ");
2810 switch (option = (unsigned char) buf[++i]) {
2812 if (appData.debugMode)
2813 fprintf(debugFP, "ECHO ");
2814 /* Reply only if this is a change, according
2815 to the protocol rules. */
2816 if (remoteEchoOption) break;
2817 if (appData.localLineEditing &&
2818 atoi(appData.icsPort) == TN_PORT) {
2819 TelnetRequest(TN_DONT, TN_ECHO);
2822 TelnetRequest(TN_DO, TN_ECHO);
2823 remoteEchoOption = TRUE;
2827 if (appData.debugMode)
2828 fprintf(debugFP, "%d ", option);
2829 /* Whatever this is, we don't want it. */
2830 TelnetRequest(TN_DONT, option);
2835 if (appData.debugMode)
2836 fprintf(debugFP, "\n<WONT ");
2837 switch (option = (unsigned char) buf[++i]) {
2839 if (appData.debugMode)
2840 fprintf(debugFP, "ECHO ");
2841 /* Reply only if this is a change, according
2842 to the protocol rules. */
2843 if (!remoteEchoOption) break;
2845 TelnetRequest(TN_DONT, TN_ECHO);
2846 remoteEchoOption = FALSE;
2849 if (appData.debugMode)
2850 fprintf(debugFP, "%d ", (unsigned char) option);
2851 /* Whatever this is, it must already be turned
2852 off, because we never agree to turn on
2853 anything non-default, so according to the
2854 protocol rules, we don't reply. */
2859 if (appData.debugMode)
2860 fprintf(debugFP, "\n<DO ");
2861 switch (option = (unsigned char) buf[++i]) {
2863 /* Whatever this is, we refuse to do it. */
2864 if (appData.debugMode)
2865 fprintf(debugFP, "%d ", option);
2866 TelnetRequest(TN_WONT, option);
2871 if (appData.debugMode)
2872 fprintf(debugFP, "\n<DONT ");
2873 switch (option = (unsigned char) buf[++i]) {
2875 if (appData.debugMode)
2876 fprintf(debugFP, "%d ", option);
2877 /* Whatever this is, we are already not doing
2878 it, because we never agree to do anything
2879 non-default, so according to the protocol
2880 rules, we don't reply. */
2885 if (appData.debugMode)
2886 fprintf(debugFP, "\n<IAC ");
2887 /* Doubled IAC; pass it through */
2891 if (appData.debugMode)
2892 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2893 /* Drop all other telnet commands on the floor */
2896 if (oldi > next_out)
2897 SendToPlayer(&buf[next_out], oldi - next_out);
2903 /* OK, this at least will *usually* work */
2904 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2908 if (loggedOn && !intfSet) {
2909 if (ics_type == ICS_ICC) {
2910 snprintf(str, MSG_SIZ,
2911 "/set-quietly interface %s\n/set-quietly style 12\n",
2913 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2914 strcat(str, "/set-2 51 1\n/set seek 1\n");
2915 } else if (ics_type == ICS_CHESSNET) {
2916 snprintf(str, MSG_SIZ, "/style 12\n");
2918 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2919 strcat(str, programVersion);
2920 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2921 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2922 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2924 strcat(str, "$iset nohighlight 1\n");
2926 strcat(str, "$iset lock 1\n$style 12\n");
2929 NotifyFrontendLogin();
2933 if (started == STARTED_COMMENT) {
2934 /* Accumulate characters in comment */
2935 parse[parse_pos++] = buf[i];
2936 if (buf[i] == '\n') {
2937 parse[parse_pos] = NULLCHAR;
2938 if(chattingPartner>=0) {
2940 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2941 OutputChatMessage(chattingPartner, mess);
2942 chattingPartner = -1;
2943 next_out = i+1; // [HGM] suppress printing in ICS window
2945 if(!suppressKibitz) // [HGM] kibitz
2946 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2947 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2948 int nrDigit = 0, nrAlph = 0, j;
2949 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2950 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2951 parse[parse_pos] = NULLCHAR;
2952 // try to be smart: if it does not look like search info, it should go to
2953 // ICS interaction window after all, not to engine-output window.
2954 for(j=0; j<parse_pos; j++) { // count letters and digits
2955 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2956 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2957 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2959 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2960 int depth=0; float score;
2961 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2962 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2963 pvInfoList[forwardMostMove-1].depth = depth;
2964 pvInfoList[forwardMostMove-1].score = 100*score;
2966 OutputKibitz(suppressKibitz, parse);
2969 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2970 SendToPlayer(tmp, strlen(tmp));
2972 next_out = i+1; // [HGM] suppress printing in ICS window
2974 started = STARTED_NONE;
2976 /* Don't match patterns against characters in comment */
2981 if (started == STARTED_CHATTER) {
2982 if (buf[i] != '\n') {
2983 /* Don't match patterns against characters in chatter */
2987 started = STARTED_NONE;
2988 if(suppressKibitz) next_out = i+1;
2991 /* Kludge to deal with rcmd protocol */
2992 if (firstTime && looking_at(buf, &i, "\001*")) {
2993 DisplayFatalError(&buf[1], 0, 1);
2999 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3002 if (appData.debugMode)
3003 fprintf(debugFP, "ics_type %d\n", ics_type);
3006 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3007 ics_type = ICS_FICS;
3009 if (appData.debugMode)
3010 fprintf(debugFP, "ics_type %d\n", ics_type);
3013 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3014 ics_type = ICS_CHESSNET;
3016 if (appData.debugMode)
3017 fprintf(debugFP, "ics_type %d\n", ics_type);
3022 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3023 looking_at(buf, &i, "Logging you in as \"*\"") ||
3024 looking_at(buf, &i, "will be \"*\""))) {
3025 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3029 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3031 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3032 DisplayIcsInteractionTitle(buf);
3033 have_set_title = TRUE;
3036 /* skip finger notes */
3037 if (started == STARTED_NONE &&
3038 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3039 (buf[i] == '1' && buf[i+1] == '0')) &&
3040 buf[i+2] == ':' && buf[i+3] == ' ') {
3041 started = STARTED_CHATTER;
3047 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3048 if(appData.seekGraph) {
3049 if(soughtPending && MatchSoughtLine(buf+i)) {
3050 i = strstr(buf+i, "rated") - buf;
3051 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3052 next_out = leftover_start = i;
3053 started = STARTED_CHATTER;
3054 suppressKibitz = TRUE;
3057 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3058 && looking_at(buf, &i, "* ads displayed")) {
3059 soughtPending = FALSE;
3064 if(appData.autoRefresh) {
3065 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3066 int s = (ics_type == ICS_ICC); // ICC format differs
3068 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3069 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3070 looking_at(buf, &i, "*% "); // eat prompt
3071 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3072 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3073 next_out = i; // suppress
3076 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3077 char *p = star_match[0];
3079 if(seekGraphUp) RemoveSeekAd(atoi(p));
3080 while(*p && *p++ != ' '); // next
3082 looking_at(buf, &i, "*% "); // eat prompt
3083 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3090 /* skip formula vars */
3091 if (started == STARTED_NONE &&
3092 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3093 started = STARTED_CHATTER;
3098 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3099 if (appData.autoKibitz && started == STARTED_NONE &&
3100 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3101 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3102 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3103 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3104 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3105 suppressKibitz = TRUE;
3106 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3108 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3109 && (gameMode == IcsPlayingWhite)) ||
3110 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3111 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3112 started = STARTED_CHATTER; // own kibitz we simply discard
3114 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3115 parse_pos = 0; parse[0] = NULLCHAR;
3116 savingComment = TRUE;
3117 suppressKibitz = gameMode != IcsObserving ? 2 :
3118 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3122 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3123 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3124 && atoi(star_match[0])) {
3125 // suppress the acknowledgements of our own autoKibitz
3127 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3128 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3129 SendToPlayer(star_match[0], strlen(star_match[0]));
3130 if(looking_at(buf, &i, "*% ")) // eat prompt
3131 suppressKibitz = FALSE;
3135 } // [HGM] kibitz: end of patch
3137 // [HGM] chat: intercept tells by users for which we have an open chat window
3139 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3140 looking_at(buf, &i, "* whispers:") ||
3141 looking_at(buf, &i, "* kibitzes:") ||
3142 looking_at(buf, &i, "* shouts:") ||
3143 looking_at(buf, &i, "* c-shouts:") ||
3144 looking_at(buf, &i, "--> * ") ||
3145 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3146 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3147 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3148 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3150 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3151 chattingPartner = -1;
3153 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3154 for(p=0; p<MAX_CHAT; p++) {
3155 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3156 talker[0] = '['; strcat(talker, "] ");
3157 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3158 chattingPartner = p; break;
3161 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3162 for(p=0; p<MAX_CHAT; p++) {
3163 if(!strcmp("kibitzes", chatPartner[p])) {
3164 talker[0] = '['; strcat(talker, "] ");
3165 chattingPartner = p; break;
3168 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3169 for(p=0; p<MAX_CHAT; p++) {
3170 if(!strcmp("whispers", chatPartner[p])) {
3171 talker[0] = '['; strcat(talker, "] ");
3172 chattingPartner = p; break;
3175 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3176 if(buf[i-8] == '-' && buf[i-3] == 't')
3177 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3178 if(!strcmp("c-shouts", chatPartner[p])) {
3179 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3180 chattingPartner = p; break;
3183 if(chattingPartner < 0)
3184 for(p=0; p<MAX_CHAT; p++) {
3185 if(!strcmp("shouts", chatPartner[p])) {
3186 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3187 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3188 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3189 chattingPartner = p; break;
3193 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3194 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3195 talker[0] = 0; Colorize(ColorTell, FALSE);
3196 chattingPartner = p; break;
3198 if(chattingPartner<0) i = oldi; else {
3199 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3200 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3201 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3202 started = STARTED_COMMENT;
3203 parse_pos = 0; parse[0] = NULLCHAR;
3204 savingComment = 3 + chattingPartner; // counts as TRUE
3205 suppressKibitz = TRUE;
3208 } // [HGM] chat: end of patch
3211 if (appData.zippyTalk || appData.zippyPlay) {
3212 /* [DM] Backup address for color zippy lines */
3214 if (loggedOn == TRUE)
3215 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3216 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3218 } // [DM] 'else { ' deleted
3220 /* Regular tells and says */
3221 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3222 looking_at(buf, &i, "* (your partner) tells you: ") ||
3223 looking_at(buf, &i, "* says: ") ||
3224 /* Don't color "message" or "messages" output */
3225 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3226 looking_at(buf, &i, "*. * at *:*: ") ||
3227 looking_at(buf, &i, "--* (*:*): ") ||
3228 /* Message notifications (same color as tells) */
3229 looking_at(buf, &i, "* has left a message ") ||
3230 looking_at(buf, &i, "* just sent you a message:\n") ||
3231 /* Whispers and kibitzes */
3232 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3233 looking_at(buf, &i, "* kibitzes: ") ||
3235 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3237 if (tkind == 1 && strchr(star_match[0], ':')) {
3238 /* Avoid "tells you:" spoofs in channels */
3241 if (star_match[0][0] == NULLCHAR ||
3242 strchr(star_match[0], ' ') ||
3243 (tkind == 3 && strchr(star_match[1], ' '))) {
3244 /* Reject bogus matches */
3247 if (appData.colorize) {
3248 if (oldi > next_out) {
3249 SendToPlayer(&buf[next_out], oldi - next_out);
3254 Colorize(ColorTell, FALSE);
3255 curColor = ColorTell;
3258 Colorize(ColorKibitz, FALSE);
3259 curColor = ColorKibitz;
3262 p = strrchr(star_match[1], '(');
3269 Colorize(ColorChannel1, FALSE);
3270 curColor = ColorChannel1;
3272 Colorize(ColorChannel, FALSE);
3273 curColor = ColorChannel;
3277 curColor = ColorNormal;
3281 if (started == STARTED_NONE && appData.autoComment &&
3282 (gameMode == IcsObserving ||
3283 gameMode == IcsPlayingWhite ||
3284 gameMode == IcsPlayingBlack)) {
3285 parse_pos = i - oldi;
3286 memcpy(parse, &buf[oldi], parse_pos);
3287 parse[parse_pos] = NULLCHAR;
3288 started = STARTED_COMMENT;
3289 savingComment = TRUE;
3291 started = STARTED_CHATTER;
3292 savingComment = FALSE;
3299 if (looking_at(buf, &i, "* s-shouts: ") ||
3300 looking_at(buf, &i, "* c-shouts: ")) {
3301 if (appData.colorize) {
3302 if (oldi > next_out) {
3303 SendToPlayer(&buf[next_out], oldi - next_out);
3306 Colorize(ColorSShout, FALSE);
3307 curColor = ColorSShout;
3310 started = STARTED_CHATTER;
3314 if (looking_at(buf, &i, "--->")) {
3319 if (looking_at(buf, &i, "* shouts: ") ||
3320 looking_at(buf, &i, "--> ")) {
3321 if (appData.colorize) {
3322 if (oldi > next_out) {
3323 SendToPlayer(&buf[next_out], oldi - next_out);
3326 Colorize(ColorShout, FALSE);
3327 curColor = ColorShout;
3330 started = STARTED_CHATTER;
3334 if (looking_at( buf, &i, "Challenge:")) {
3335 if (appData.colorize) {
3336 if (oldi > next_out) {
3337 SendToPlayer(&buf[next_out], oldi - next_out);
3340 Colorize(ColorChallenge, FALSE);
3341 curColor = ColorChallenge;
3347 if (looking_at(buf, &i, "* offers you") ||
3348 looking_at(buf, &i, "* offers to be") ||
3349 looking_at(buf, &i, "* would like to") ||
3350 looking_at(buf, &i, "* requests to") ||
3351 looking_at(buf, &i, "Your opponent offers") ||
3352 looking_at(buf, &i, "Your opponent requests")) {
3354 if (appData.colorize) {
3355 if (oldi > next_out) {
3356 SendToPlayer(&buf[next_out], oldi - next_out);
3359 Colorize(ColorRequest, FALSE);
3360 curColor = ColorRequest;
3365 if (looking_at(buf, &i, "* (*) seeking")) {
3366 if (appData.colorize) {
3367 if (oldi > next_out) {
3368 SendToPlayer(&buf[next_out], oldi - next_out);
3371 Colorize(ColorSeek, FALSE);
3372 curColor = ColorSeek;
3377 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3379 if (looking_at(buf, &i, "\\ ")) {
3380 if (prevColor != ColorNormal) {
3381 if (oldi > next_out) {
3382 SendToPlayer(&buf[next_out], oldi - next_out);
3385 Colorize(prevColor, TRUE);
3386 curColor = prevColor;
3388 if (savingComment) {
3389 parse_pos = i - oldi;
3390 memcpy(parse, &buf[oldi], parse_pos);
3391 parse[parse_pos] = NULLCHAR;
3392 started = STARTED_COMMENT;
3393 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3394 chattingPartner = savingComment - 3; // kludge to remember the box
3396 started = STARTED_CHATTER;
3401 if (looking_at(buf, &i, "Black Strength :") ||
3402 looking_at(buf, &i, "<<< style 10 board >>>") ||
3403 looking_at(buf, &i, "<10>") ||
3404 looking_at(buf, &i, "#@#")) {
3405 /* Wrong board style */
3407 SendToICS(ics_prefix);
3408 SendToICS("set style 12\n");
3409 SendToICS(ics_prefix);
3410 SendToICS("refresh\n");
3414 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3416 have_sent_ICS_logon = 1;
3420 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3421 (looking_at(buf, &i, "\n<12> ") ||
3422 looking_at(buf, &i, "<12> "))) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3428 started = STARTED_BOARD;
3433 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3434 looking_at(buf, &i, "<b1> ")) {
3435 if (oldi > next_out) {
3436 SendToPlayer(&buf[next_out], oldi - next_out);
3439 started = STARTED_HOLDINGS;
3444 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3446 /* Header for a move list -- first line */
3448 switch (ics_getting_history) {
3452 case BeginningOfGame:
3453 /* User typed "moves" or "oldmoves" while we
3454 were idle. Pretend we asked for these
3455 moves and soak them up so user can step
3456 through them and/or save them.
3459 gameMode = IcsObserving;
3462 ics_getting_history = H_GOT_UNREQ_HEADER;
3464 case EditGame: /*?*/
3465 case EditPosition: /*?*/
3466 /* Should above feature work in these modes too? */
3467 /* For now it doesn't */
3468 ics_getting_history = H_GOT_UNWANTED_HEADER;
3471 ics_getting_history = H_GOT_UNWANTED_HEADER;
3476 /* Is this the right one? */
3477 if (gameInfo.white && gameInfo.black &&
3478 strcmp(gameInfo.white, star_match[0]) == 0 &&
3479 strcmp(gameInfo.black, star_match[2]) == 0) {
3481 ics_getting_history = H_GOT_REQ_HEADER;
3484 case H_GOT_REQ_HEADER:
3485 case H_GOT_UNREQ_HEADER:
3486 case H_GOT_UNWANTED_HEADER:
3487 case H_GETTING_MOVES:
3488 /* Should not happen */
3489 DisplayError(_("Error gathering move list: two headers"), 0);
3490 ics_getting_history = H_FALSE;
3494 /* Save player ratings into gameInfo if needed */
3495 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3496 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3497 (gameInfo.whiteRating == -1 ||
3498 gameInfo.blackRating == -1)) {
3500 gameInfo.whiteRating = string_to_rating(star_match[1]);
3501 gameInfo.blackRating = string_to_rating(star_match[3]);
3502 if (appData.debugMode)
3503 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3504 gameInfo.whiteRating, gameInfo.blackRating);
3509 if (looking_at(buf, &i,
3510 "* * match, initial time: * minute*, increment: * second")) {
3511 /* Header for a move list -- second line */
3512 /* Initial board will follow if this is a wild game */
3513 if (gameInfo.event != NULL) free(gameInfo.event);
3514 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3515 gameInfo.event = StrSave(str);
3516 /* [HGM] we switched variant. Translate boards if needed. */
3517 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3521 if (looking_at(buf, &i, "Move ")) {
3522 /* Beginning of a move list */
3523 switch (ics_getting_history) {
3525 /* Normally should not happen */
3526 /* Maybe user hit reset while we were parsing */
3529 /* Happens if we are ignoring a move list that is not
3530 * the one we just requested. Common if the user
3531 * tries to observe two games without turning off
3534 case H_GETTING_MOVES:
3535 /* Should not happen */
3536 DisplayError(_("Error gathering move list: nested"), 0);
3537 ics_getting_history = H_FALSE;
3539 case H_GOT_REQ_HEADER:
3540 ics_getting_history = H_GETTING_MOVES;
3541 started = STARTED_MOVES;
3543 if (oldi > next_out) {
3544 SendToPlayer(&buf[next_out], oldi - next_out);
3547 case H_GOT_UNREQ_HEADER:
3548 ics_getting_history = H_GETTING_MOVES;
3549 started = STARTED_MOVES_NOHIDE;
3552 case H_GOT_UNWANTED_HEADER:
3553 ics_getting_history = H_FALSE;
3559 if (looking_at(buf, &i, "% ") ||
3560 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3561 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3562 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3563 soughtPending = FALSE;
3567 if(suppressKibitz) next_out = i;
3568 savingComment = FALSE;
3572 case STARTED_MOVES_NOHIDE:
3573 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3574 parse[parse_pos + i - oldi] = NULLCHAR;
3575 ParseGameHistory(parse);
3577 if (appData.zippyPlay && first.initDone) {
3578 FeedMovesToProgram(&first, forwardMostMove);
3579 if (gameMode == IcsPlayingWhite) {
3580 if (WhiteOnMove(forwardMostMove)) {
3581 if (first.sendTime) {
3582 if (first.useColors) {
3583 SendToProgram("black\n", &first);
3585 SendTimeRemaining(&first, TRUE);
3587 if (first.useColors) {
3588 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3590 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3591 first.maybeThinking = TRUE;
3593 if (first.usePlayother) {
3594 if (first.sendTime) {
3595 SendTimeRemaining(&first, TRUE);
3597 SendToProgram("playother\n", &first);
3603 } else if (gameMode == IcsPlayingBlack) {
3604 if (!WhiteOnMove(forwardMostMove)) {
3605 if (first.sendTime) {
3606 if (first.useColors) {
3607 SendToProgram("white\n", &first);
3609 SendTimeRemaining(&first, FALSE);
3611 if (first.useColors) {
3612 SendToProgram("black\n", &first);
3614 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3615 first.maybeThinking = TRUE;
3617 if (first.usePlayother) {
3618 if (first.sendTime) {
3619 SendTimeRemaining(&first, FALSE);
3621 SendToProgram("playother\n", &first);
3630 if (gameMode == IcsObserving && ics_gamenum == -1) {
3631 /* Moves came from oldmoves or moves command
3632 while we weren't doing anything else.
3634 currentMove = forwardMostMove;
3635 ClearHighlights();/*!!could figure this out*/
3636 flipView = appData.flipView;
3637 DrawPosition(TRUE, boards[currentMove]);
3638 DisplayBothClocks();
3639 snprintf(str, MSG_SIZ, "%s vs. %s",
3640 gameInfo.white, gameInfo.black);
3644 /* Moves were history of an active game */
3645 if (gameInfo.resultDetails != NULL) {
3646 free(gameInfo.resultDetails);
3647 gameInfo.resultDetails = NULL;
3650 HistorySet(parseList, backwardMostMove,
3651 forwardMostMove, currentMove-1);
3652 DisplayMove(currentMove - 1);
3653 if (started == STARTED_MOVES) next_out = i;
3654 started = STARTED_NONE;
3655 ics_getting_history = H_FALSE;
3658 case STARTED_OBSERVE:
3659 started = STARTED_NONE;
3660 SendToICS(ics_prefix);
3661 SendToICS("refresh\n");
3667 if(bookHit) { // [HGM] book: simulate book reply
3668 static char bookMove[MSG_SIZ]; // a bit generous?
3670 programStats.nodes = programStats.depth = programStats.time =
3671 programStats.score = programStats.got_only_move = 0;
3672 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3674 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3675 strcat(bookMove, bookHit);
3676 HandleMachineMove(bookMove, &first);
3681 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3682 started == STARTED_HOLDINGS ||
3683 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3684 /* Accumulate characters in move list or board */
3685 parse[parse_pos++] = buf[i];
3688 /* Start of game messages. Mostly we detect start of game
3689 when the first board image arrives. On some versions
3690 of the ICS, though, we need to do a "refresh" after starting
3691 to observe in order to get the current board right away. */
3692 if (looking_at(buf, &i, "Adding game * to observation list")) {
3693 started = STARTED_OBSERVE;
3697 /* Handle auto-observe */
3698 if (appData.autoObserve &&
3699 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3700 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3702 /* Choose the player that was highlighted, if any. */
3703 if (star_match[0][0] == '\033' ||
3704 star_match[1][0] != '\033') {
3705 player = star_match[0];
3707 player = star_match[2];
3709 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3710 ics_prefix, StripHighlightAndTitle(player));
3713 /* Save ratings from notify string */
3714 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3715 player1Rating = string_to_rating(star_match[1]);
3716 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3717 player2Rating = string_to_rating(star_match[3]);
3719 if (appData.debugMode)
3721 "Ratings from 'Game notification:' %s %d, %s %d\n",
3722 player1Name, player1Rating,
3723 player2Name, player2Rating);
3728 /* Deal with automatic examine mode after a game,
3729 and with IcsObserving -> IcsExamining transition */
3730 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3731 looking_at(buf, &i, "has made you an examiner of game *")) {
3733 int gamenum = atoi(star_match[0]);
3734 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3735 gamenum == ics_gamenum) {
3736 /* We were already playing or observing this game;
3737 no need to refetch history */
3738 gameMode = IcsExamining;
3740 pauseExamForwardMostMove = forwardMostMove;
3741 } else if (currentMove < forwardMostMove) {
3742 ForwardInner(forwardMostMove);
3745 /* I don't think this case really can happen */
3746 SendToICS(ics_prefix);
3747 SendToICS("refresh\n");
3752 /* Error messages */
3753 // if (ics_user_moved) {
3754 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3755 if (looking_at(buf, &i, "Illegal move") ||
3756 looking_at(buf, &i, "Not a legal move") ||
3757 looking_at(buf, &i, "Your king is in check") ||
3758 looking_at(buf, &i, "It isn't your turn") ||
3759 looking_at(buf, &i, "It is not your move")) {
3761 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3762 currentMove = forwardMostMove-1;
3763 DisplayMove(currentMove - 1); /* before DMError */
3764 DrawPosition(FALSE, boards[currentMove]);
3765 SwitchClocks(forwardMostMove-1); // [HGM] race
3766 DisplayBothClocks();
3768 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3774 if (looking_at(buf, &i, "still have time") ||
3775 looking_at(buf, &i, "not out of time") ||
3776 looking_at(buf, &i, "either player is out of time") ||
3777 looking_at(buf, &i, "has timeseal; checking")) {
3778 /* We must have called his flag a little too soon */
3779 whiteFlag = blackFlag = FALSE;
3783 if (looking_at(buf, &i, "added * seconds to") ||
3784 looking_at(buf, &i, "seconds were added to")) {
3785 /* Update the clocks */
3786 SendToICS(ics_prefix);
3787 SendToICS("refresh\n");
3791 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3792 ics_clock_paused = TRUE;
3797 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3798 ics_clock_paused = FALSE;
3803 /* Grab player ratings from the Creating: message.
3804 Note we have to check for the special case when
3805 the ICS inserts things like [white] or [black]. */
3806 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3807 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3809 0 player 1 name (not necessarily white)
3811 2 empty, white, or black (IGNORED)
3812 3 player 2 name (not necessarily black)
3815 The names/ratings are sorted out when the game
3816 actually starts (below).
3818 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3819 player1Rating = string_to_rating(star_match[1]);
3820 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3821 player2Rating = string_to_rating(star_match[4]);
3823 if (appData.debugMode)
3825 "Ratings from 'Creating:' %s %d, %s %d\n",
3826 player1Name, player1Rating,
3827 player2Name, player2Rating);
3832 /* Improved generic start/end-of-game messages */
3833 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3834 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3835 /* If tkind == 0: */
3836 /* star_match[0] is the game number */
3837 /* [1] is the white player's name */
3838 /* [2] is the black player's name */
3839 /* For end-of-game: */
3840 /* [3] is the reason for the game end */
3841 /* [4] is a PGN end game-token, preceded by " " */
3842 /* For start-of-game: */
3843 /* [3] begins with "Creating" or "Continuing" */
3844 /* [4] is " *" or empty (don't care). */
3845 int gamenum = atoi(star_match[0]);
3846 char *whitename, *blackname, *why, *endtoken;
3847 ChessMove endtype = EndOfFile;
3850 whitename = star_match[1];
3851 blackname = star_match[2];
3852 why = star_match[3];
3853 endtoken = star_match[4];
3855 whitename = star_match[1];
3856 blackname = star_match[3];
3857 why = star_match[5];
3858 endtoken = star_match[6];
3861 /* Game start messages */
3862 if (strncmp(why, "Creating ", 9) == 0 ||
3863 strncmp(why, "Continuing ", 11) == 0) {
3864 gs_gamenum = gamenum;
3865 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3866 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3868 if (appData.zippyPlay) {
3869 ZippyGameStart(whitename, blackname);
3872 partnerBoardValid = FALSE; // [HGM] bughouse
3876 /* Game end messages */
3877 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3878 ics_gamenum != gamenum) {
3881 while (endtoken[0] == ' ') endtoken++;
3882 switch (endtoken[0]) {
3885 endtype = GameUnfinished;
3888 endtype = BlackWins;
3891 if (endtoken[1] == '/')
3892 endtype = GameIsDrawn;
3894 endtype = WhiteWins;
3897 GameEnds(endtype, why, GE_ICS);
3899 if (appData.zippyPlay && first.initDone) {
3900 ZippyGameEnd(endtype, why);
3901 if (first.pr == NULL) {
3902 /* Start the next process early so that we'll
3903 be ready for the next challenge */
3904 StartChessProgram(&first);
3906 /* Send "new" early, in case this command takes
3907 a long time to finish, so that we'll be ready
3908 for the next challenge. */
3909 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3913 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3917 if (looking_at(buf, &i, "Removing game * from observation") ||
3918 looking_at(buf, &i, "no longer observing game *") ||
3919 looking_at(buf, &i, "Game * (*) has no examiners")) {
3920 if (gameMode == IcsObserving &&
3921 atoi(star_match[0]) == ics_gamenum)
3923 /* icsEngineAnalyze */
3924 if (appData.icsEngineAnalyze) {
3931 ics_user_moved = FALSE;
3936 if (looking_at(buf, &i, "no longer examining game *")) {
3937 if (gameMode == IcsExamining &&
3938 atoi(star_match[0]) == ics_gamenum)
3942 ics_user_moved = FALSE;
3947 /* Advance leftover_start past any newlines we find,
3948 so only partial lines can get reparsed */
3949 if (looking_at(buf, &i, "\n")) {
3950 prevColor = curColor;
3951 if (curColor != ColorNormal) {
3952 if (oldi > next_out) {
3953 SendToPlayer(&buf[next_out], oldi - next_out);
3956 Colorize(ColorNormal, FALSE);
3957 curColor = ColorNormal;
3959 if (started == STARTED_BOARD) {
3960 started = STARTED_NONE;
3961 parse[parse_pos] = NULLCHAR;
3962 ParseBoard12(parse);
3965 /* Send premove here */
3966 if (appData.premove) {
3968 if (currentMove == 0 &&
3969 gameMode == IcsPlayingWhite &&
3970 appData.premoveWhite) {
3971 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3972 if (appData.debugMode)
3973 fprintf(debugFP, "Sending premove:\n");
3975 } else if (currentMove == 1 &&
3976 gameMode == IcsPlayingBlack &&
3977 appData.premoveBlack) {
3978 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3979 if (appData.debugMode)
3980 fprintf(debugFP, "Sending premove:\n");
3982 } else if (gotPremove) {
3984 ClearPremoveHighlights();
3985 if (appData.debugMode)
3986 fprintf(debugFP, "Sending premove:\n");
3987 UserMoveEvent(premoveFromX, premoveFromY,
3988 premoveToX, premoveToY,
3993 /* Usually suppress following prompt */
3994 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3995 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3996 if (looking_at(buf, &i, "*% ")) {
3997 savingComment = FALSE;
4002 } else if (started == STARTED_HOLDINGS) {
4004 char new_piece[MSG_SIZ];
4005 started = STARTED_NONE;
4006 parse[parse_pos] = NULLCHAR;
4007 if (appData.debugMode)
4008 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4009 parse, currentMove);
4010 if (sscanf(parse, " game %d", &gamenum) == 1) {
4011 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4012 if (gameInfo.variant == VariantNormal) {
4013 /* [HGM] We seem to switch variant during a game!
4014 * Presumably no holdings were displayed, so we have
4015 * to move the position two files to the right to
4016 * create room for them!
4018 VariantClass newVariant;
4019 switch(gameInfo.boardWidth) { // base guess on board width
4020 case 9: newVariant = VariantShogi; break;
4021 case 10: newVariant = VariantGreat; break;
4022 default: newVariant = VariantCrazyhouse; break;
4024 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4025 /* Get a move list just to see the header, which
4026 will tell us whether this is really bug or zh */
4027 if (ics_getting_history == H_FALSE) {
4028 ics_getting_history = H_REQUESTED;
4029 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4033 new_piece[0] = NULLCHAR;
4034 sscanf(parse, "game %d white [%s black [%s <- %s",
4035 &gamenum, white_holding, black_holding,
4037 white_holding[strlen(white_holding)-1] = NULLCHAR;
4038 black_holding[strlen(black_holding)-1] = NULLCHAR;
4039 /* [HGM] copy holdings to board holdings area */
4040 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4041 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4042 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4044 if (appData.zippyPlay && first.initDone) {
4045 ZippyHoldings(white_holding, black_holding,
4049 if (tinyLayout || smallLayout) {
4050 char wh[16], bh[16];
4051 PackHolding(wh, white_holding);
4052 PackHolding(bh, black_holding);
4053 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4054 gameInfo.white, gameInfo.black);
4056 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4057 gameInfo.white, white_holding,
4058 gameInfo.black, black_holding);
4060 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4061 DrawPosition(FALSE, boards[currentMove]);
4063 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4064 sscanf(parse, "game %d white [%s black [%s <- %s",
4065 &gamenum, white_holding, black_holding,
4067 white_holding[strlen(white_holding)-1] = NULLCHAR;
4068 black_holding[strlen(black_holding)-1] = NULLCHAR;
4069 /* [HGM] copy holdings to partner-board holdings area */
4070 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4071 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4072 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4073 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4074 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4077 /* Suppress following prompt */
4078 if (looking_at(buf, &i, "*% ")) {
4079 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4080 savingComment = FALSE;
4088 i++; /* skip unparsed character and loop back */
4091 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4092 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4093 // SendToPlayer(&buf[next_out], i - next_out);
4094 started != STARTED_HOLDINGS && leftover_start > next_out) {
4095 SendToPlayer(&buf[next_out], leftover_start - next_out);
4099 leftover_len = buf_len - leftover_start;
4100 /* if buffer ends with something we couldn't parse,
4101 reparse it after appending the next read */
4103 } else if (count == 0) {
4104 RemoveInputSource(isr);
4105 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4107 DisplayFatalError(_("Error reading from ICS"), error, 1);
4112 /* Board style 12 looks like this:
4114 <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
4116 * The "<12> " is stripped before it gets to this routine. The two
4117 * trailing 0's (flip state and clock ticking) are later addition, and
4118 * some chess servers may not have them, or may have only the first.
4119 * Additional trailing fields may be added in the future.
4122 #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"
4124 #define RELATION_OBSERVING_PLAYED 0
4125 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4126 #define RELATION_PLAYING_MYMOVE 1
4127 #define RELATION_PLAYING_NOTMYMOVE -1
4128 #define RELATION_EXAMINING 2
4129 #define RELATION_ISOLATED_BOARD -3
4130 #define RELATION_STARTING_POSITION -4 /* FICS only */
4133 ParseBoard12(string)
4136 GameMode newGameMode;
4137 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4138 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4139 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4140 char to_play, board_chars[200];
4141 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4142 char black[32], white[32];
4144 int prevMove = currentMove;
4147 int fromX, fromY, toX, toY;
4149 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4150 char *bookHit = NULL; // [HGM] book
4151 Boolean weird = FALSE, reqFlag = FALSE;
4153 fromX = fromY = toX = toY = -1;
4157 if (appData.debugMode)
4158 fprintf(debugFP, _("Parsing board: %s\n"), string);
4160 move_str[0] = NULLCHAR;
4161 elapsed_time[0] = NULLCHAR;
4162 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4164 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4165 if(string[i] == ' ') { ranks++; files = 0; }
4167 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4170 for(j = 0; j <i; j++) board_chars[j] = string[j];
4171 board_chars[i] = '\0';
4174 n = sscanf(string, PATTERN, &to_play, &double_push,
4175 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4176 &gamenum, white, black, &relation, &basetime, &increment,
4177 &white_stren, &black_stren, &white_time, &black_time,
4178 &moveNum, str, elapsed_time, move_str, &ics_flip,
4182 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4183 DisplayError(str, 0);
4187 /* Convert the move number to internal form */
4188 moveNum = (moveNum - 1) * 2;
4189 if (to_play == 'B') moveNum++;
4190 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4191 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4197 case RELATION_OBSERVING_PLAYED:
4198 case RELATION_OBSERVING_STATIC:
4199 if (gamenum == -1) {
4200 /* Old ICC buglet */
4201 relation = RELATION_OBSERVING_STATIC;
4203 newGameMode = IcsObserving;
4205 case RELATION_PLAYING_MYMOVE:
4206 case RELATION_PLAYING_NOTMYMOVE:
4208 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4209 IcsPlayingWhite : IcsPlayingBlack;
4211 case RELATION_EXAMINING:
4212 newGameMode = IcsExamining;
4214 case RELATION_ISOLATED_BOARD:
4216 /* Just display this board. If user was doing something else,
4217 we will forget about it until the next board comes. */
4218 newGameMode = IcsIdle;
4220 case RELATION_STARTING_POSITION:
4221 newGameMode = gameMode;
4225 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4226 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4227 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4229 for (k = 0; k < ranks; k++) {
4230 for (j = 0; j < files; j++)
4231 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4232 if(gameInfo.holdingsWidth > 1) {
4233 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4234 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4237 CopyBoard(partnerBoard, board);
4238 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4239 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4240 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4241 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4242 if(toSqr = strchr(str, '-')) {
4243 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4244 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4245 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4246 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4247 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4248 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4249 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4250 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4251 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4252 DisplayMessage(partnerStatus, "");
4253 partnerBoardValid = TRUE;
4257 /* Modify behavior for initial board display on move listing
4260 switch (ics_getting_history) {
4264 case H_GOT_REQ_HEADER:
4265 case H_GOT_UNREQ_HEADER:
4266 /* This is the initial position of the current game */
4267 gamenum = ics_gamenum;
4268 moveNum = 0; /* old ICS bug workaround */
4269 if (to_play == 'B') {
4270 startedFromSetupPosition = TRUE;
4271 blackPlaysFirst = TRUE;
4273 if (forwardMostMove == 0) forwardMostMove = 1;
4274 if (backwardMostMove == 0) backwardMostMove = 1;
4275 if (currentMove == 0) currentMove = 1;
4277 newGameMode = gameMode;
4278 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4280 case H_GOT_UNWANTED_HEADER:
4281 /* This is an initial board that we don't want */
4283 case H_GETTING_MOVES:
4284 /* Should not happen */
4285 DisplayError(_("Error gathering move list: extra board"), 0);
4286 ics_getting_history = H_FALSE;
4290 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4291 weird && (int)gameInfo.variant < (int)VariantShogi) {
4292 /* [HGM] We seem to have switched variant unexpectedly
4293 * Try to guess new variant from board size
4295 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4296 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4297 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4298 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4299 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4300 if(!weird) newVariant = VariantNormal;
4301 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4302 /* Get a move list just to see the header, which
4303 will tell us whether this is really bug or zh */
4304 if (ics_getting_history == H_FALSE) {
4305 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4306 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4311 /* Take action if this is the first board of a new game, or of a
4312 different game than is currently being displayed. */
4313 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4314 relation == RELATION_ISOLATED_BOARD) {
4316 /* Forget the old game and get the history (if any) of the new one */
4317 if (gameMode != BeginningOfGame) {
4321 if (appData.autoRaiseBoard) BoardToTop();
4323 if (gamenum == -1) {
4324 newGameMode = IcsIdle;
4325 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4326 appData.getMoveList && !reqFlag) {
4327 /* Need to get game history */
4328 ics_getting_history = H_REQUESTED;
4329 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4333 /* Initially flip the board to have black on the bottom if playing
4334 black or if the ICS flip flag is set, but let the user change
4335 it with the Flip View button. */
4336 flipView = appData.autoFlipView ?
4337 (newGameMode == IcsPlayingBlack) || ics_flip :
4340 /* Done with values from previous mode; copy in new ones */
4341 gameMode = newGameMode;
4343 ics_gamenum = gamenum;
4344 if (gamenum == gs_gamenum) {
4345 int klen = strlen(gs_kind);
4346 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4347 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4348 gameInfo.event = StrSave(str);
4350 gameInfo.event = StrSave("ICS game");
4352 gameInfo.site = StrSave(appData.icsHost);
4353 gameInfo.date = PGNDate();
4354 gameInfo.round = StrSave("-");
4355 gameInfo.white = StrSave(white);
4356 gameInfo.black = StrSave(black);
4357 timeControl = basetime * 60 * 1000;
4359 timeIncrement = increment * 1000;
4360 movesPerSession = 0;
4361 gameInfo.timeControl = TimeControlTagValue();
4362 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4363 if (appData.debugMode) {
4364 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4365 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4366 setbuf(debugFP, NULL);
4369 gameInfo.outOfBook = NULL;
4371 /* Do we have the ratings? */
4372 if (strcmp(player1Name, white) == 0 &&
4373 strcmp(player2Name, black) == 0) {
4374 if (appData.debugMode)
4375 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4376 player1Rating, player2Rating);
4377 gameInfo.whiteRating = player1Rating;
4378 gameInfo.blackRating = player2Rating;
4379 } else if (strcmp(player2Name, white) == 0 &&
4380 strcmp(player1Name, black) == 0) {
4381 if (appData.debugMode)
4382 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4383 player2Rating, player1Rating);
4384 gameInfo.whiteRating = player2Rating;
4385 gameInfo.blackRating = player1Rating;
4387 player1Name[0] = player2Name[0] = NULLCHAR;
4389 /* Silence shouts if requested */
4390 if (appData.quietPlay &&
4391 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4392 SendToICS(ics_prefix);
4393 SendToICS("set shout 0\n");
4397 /* Deal with midgame name changes */
4399 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4400 if (gameInfo.white) free(gameInfo.white);
4401 gameInfo.white = StrSave(white);
4403 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4404 if (gameInfo.black) free(gameInfo.black);
4405 gameInfo.black = StrSave(black);
4409 /* Throw away game result if anything actually changes in examine mode */
4410 if (gameMode == IcsExamining && !newGame) {
4411 gameInfo.result = GameUnfinished;
4412 if (gameInfo.resultDetails != NULL) {
4413 free(gameInfo.resultDetails);
4414 gameInfo.resultDetails = NULL;
4418 /* In pausing && IcsExamining mode, we ignore boards coming
4419 in if they are in a different variation than we are. */
4420 if (pauseExamInvalid) return;
4421 if (pausing && gameMode == IcsExamining) {
4422 if (moveNum <= pauseExamForwardMostMove) {
4423 pauseExamInvalid = TRUE;
4424 forwardMostMove = pauseExamForwardMostMove;
4429 if (appData.debugMode) {
4430 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4432 /* Parse the board */
4433 for (k = 0; k < ranks; k++) {
4434 for (j = 0; j < files; j++)
4435 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4436 if(gameInfo.holdingsWidth > 1) {
4437 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4438 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4441 CopyBoard(boards[moveNum], board);
4442 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4444 startedFromSetupPosition =
4445 !CompareBoards(board, initialPosition);
4446 if(startedFromSetupPosition)
4447 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4450 /* [HGM] Set castling rights. Take the outermost Rooks,
4451 to make it also work for FRC opening positions. Note that board12
4452 is really defective for later FRC positions, as it has no way to
4453 indicate which Rook can castle if they are on the same side of King.
4454 For the initial position we grant rights to the outermost Rooks,
4455 and remember thos rights, and we then copy them on positions
4456 later in an FRC game. This means WB might not recognize castlings with
4457 Rooks that have moved back to their original position as illegal,
4458 but in ICS mode that is not its job anyway.
4460 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4461 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4463 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4464 if(board[0][i] == WhiteRook) j = i;
4465 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4466 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4467 if(board[0][i] == WhiteRook) j = i;
4468 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4469 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4470 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4471 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4472 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4473 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4474 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4476 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4477 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4478 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4479 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4480 if(board[BOARD_HEIGHT-1][k] == bKing)
4481 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4482 if(gameInfo.variant == VariantTwoKings) {
4483 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4484 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4485 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4488 r = boards[moveNum][CASTLING][0] = initialRights[0];
4489 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4490 r = boards[moveNum][CASTLING][1] = initialRights[1];
4491 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4492 r = boards[moveNum][CASTLING][3] = initialRights[3];
4493 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4494 r = boards[moveNum][CASTLING][4] = initialRights[4];
4495 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4496 /* wildcastle kludge: always assume King has rights */
4497 r = boards[moveNum][CASTLING][2] = initialRights[2];
4498 r = boards[moveNum][CASTLING][5] = initialRights[5];
4500 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4501 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4504 if (ics_getting_history == H_GOT_REQ_HEADER ||
4505 ics_getting_history == H_GOT_UNREQ_HEADER) {
4506 /* This was an initial position from a move list, not
4507 the current position */
4511 /* Update currentMove and known move number limits */
4512 newMove = newGame || moveNum > forwardMostMove;
4515 forwardMostMove = backwardMostMove = currentMove = moveNum;
4516 if (gameMode == IcsExamining && moveNum == 0) {
4517 /* Workaround for ICS limitation: we are not told the wild
4518 type when starting to examine a game. But if we ask for
4519 the move list, the move list header will tell us */
4520 ics_getting_history = H_REQUESTED;
4521 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4524 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4525 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4527 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4528 /* [HGM] applied this also to an engine that is silently watching */
4529 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4530 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4531 gameInfo.variant == currentlyInitializedVariant) {
4532 takeback = forwardMostMove - moveNum;
4533 for (i = 0; i < takeback; i++) {
4534 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4535 SendToProgram("undo\n", &first);
4540 forwardMostMove = moveNum;
4541 if (!pausing || currentMove > forwardMostMove)
4542 currentMove = forwardMostMove;
4544 /* New part of history that is not contiguous with old part */
4545 if (pausing && gameMode == IcsExamining) {
4546 pauseExamInvalid = TRUE;
4547 forwardMostMove = pauseExamForwardMostMove;
4550 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4552 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4553 // [HGM] when we will receive the move list we now request, it will be
4554 // fed to the engine from the first move on. So if the engine is not
4555 // in the initial position now, bring it there.
4556 InitChessProgram(&first, 0);
4559 ics_getting_history = H_REQUESTED;
4560 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4563 forwardMostMove = backwardMostMove = currentMove = moveNum;
4566 /* Update the clocks */
4567 if (strchr(elapsed_time, '.')) {
4569 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4570 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4572 /* Time is in seconds */
4573 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4574 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4579 if (appData.zippyPlay && newGame &&
4580 gameMode != IcsObserving && gameMode != IcsIdle &&
4581 gameMode != IcsExamining)
4582 ZippyFirstBoard(moveNum, basetime, increment);
4585 /* Put the move on the move list, first converting
4586 to canonical algebraic form. */
4588 if (appData.debugMode) {
4589 if (appData.debugMode) { int f = forwardMostMove;
4590 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4591 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4592 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4594 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4595 fprintf(debugFP, "moveNum = %d\n", moveNum);
4596 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4597 setbuf(debugFP, NULL);
4599 if (moveNum <= backwardMostMove) {
4600 /* We don't know what the board looked like before
4602 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4603 strcat(parseList[moveNum - 1], " ");
4604 strcat(parseList[moveNum - 1], elapsed_time);
4605 moveList[moveNum - 1][0] = NULLCHAR;
4606 } else if (strcmp(move_str, "none") == 0) {
4607 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4608 /* Again, we don't know what the board looked like;
4609 this is really the start of the game. */
4610 parseList[moveNum - 1][0] = NULLCHAR;
4611 moveList[moveNum - 1][0] = NULLCHAR;
4612 backwardMostMove = moveNum;
4613 startedFromSetupPosition = TRUE;
4614 fromX = fromY = toX = toY = -1;
4616 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4617 // So we parse the long-algebraic move string in stead of the SAN move
4618 int valid; char buf[MSG_SIZ], *prom;
4620 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4621 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4622 // str looks something like "Q/a1-a2"; kill the slash
4624 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4625 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4626 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4627 strcat(buf, prom); // long move lacks promo specification!
4628 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4629 if(appData.debugMode)
4630 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4631 safeStrCpy(move_str, buf, MSG_SIZ);
4633 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4634 &fromX, &fromY, &toX, &toY, &promoChar)
4635 || ParseOneMove(buf, moveNum - 1, &moveType,
4636 &fromX, &fromY, &toX, &toY, &promoChar);
4637 // end of long SAN patch
4639 (void) CoordsToAlgebraic(boards[moveNum - 1],
4640 PosFlags(moveNum - 1),
4641 fromY, fromX, toY, toX, promoChar,
4642 parseList[moveNum-1]);
4643 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4649 if(gameInfo.variant != VariantShogi)
4650 strcat(parseList[moveNum - 1], "+");
4653 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4654 strcat(parseList[moveNum - 1], "#");
4657 strcat(parseList[moveNum - 1], " ");
4658 strcat(parseList[moveNum - 1], elapsed_time);
4659 /* currentMoveString is set as a side-effect of ParseOneMove */
4660 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4661 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4662 strcat(moveList[moveNum - 1], "\n");
4664 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4665 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4666 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4667 ChessSquare old, new = boards[moveNum][k][j];
4668 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4669 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4670 if(old == new) continue;
4671 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4672 else if(new == WhiteWazir || new == BlackWazir) {
4673 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4674 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4675 else boards[moveNum][k][j] = old; // preserve type of Gold
4676 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4677 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4680 /* Move from ICS was illegal!? Punt. */
4681 if (appData.debugMode) {
4682 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4683 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4685 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4686 strcat(parseList[moveNum - 1], " ");
4687 strcat(parseList[moveNum - 1], elapsed_time);
4688 moveList[moveNum - 1][0] = NULLCHAR;
4689 fromX = fromY = toX = toY = -1;
4692 if (appData.debugMode) {
4693 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4694 setbuf(debugFP, NULL);
4698 /* Send move to chess program (BEFORE animating it). */
4699 if (appData.zippyPlay && !newGame && newMove &&
4700 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4702 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4703 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4704 if (moveList[moveNum - 1][0] == NULLCHAR) {
4705 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4707 DisplayError(str, 0);
4709 if (first.sendTime) {
4710 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4712 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4713 if (firstMove && !bookHit) {
4715 if (first.useColors) {
4716 SendToProgram(gameMode == IcsPlayingWhite ?
4718 "black\ngo\n", &first);
4720 SendToProgram("go\n", &first);
4722 first.maybeThinking = TRUE;
4725 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4726 if (moveList[moveNum - 1][0] == NULLCHAR) {
4727 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4728 DisplayError(str, 0);
4730 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4731 SendMoveToProgram(moveNum - 1, &first);
4738 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4739 /* If move comes from a remote source, animate it. If it
4740 isn't remote, it will have already been animated. */
4741 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4742 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4744 if (!pausing && appData.highlightLastMove) {
4745 SetHighlights(fromX, fromY, toX, toY);
4749 /* Start the clocks */
4750 whiteFlag = blackFlag = FALSE;
4751 appData.clockMode = !(basetime == 0 && increment == 0);
4753 ics_clock_paused = TRUE;
4755 } else if (ticking == 1) {
4756 ics_clock_paused = FALSE;
4758 if (gameMode == IcsIdle ||
4759 relation == RELATION_OBSERVING_STATIC ||
4760 relation == RELATION_EXAMINING ||
4762 DisplayBothClocks();
4766 /* Display opponents and material strengths */
4767 if (gameInfo.variant != VariantBughouse &&
4768 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4769 if (tinyLayout || smallLayout) {
4770 if(gameInfo.variant == VariantNormal)
4771 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4772 gameInfo.white, white_stren, gameInfo.black, black_stren,
4773 basetime, increment);
4775 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4776 gameInfo.white, white_stren, gameInfo.black, black_stren,
4777 basetime, increment, (int) gameInfo.variant);
4779 if(gameInfo.variant == VariantNormal)
4780 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4781 gameInfo.white, white_stren, gameInfo.black, black_stren,
4782 basetime, increment);
4784 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4785 gameInfo.white, white_stren, gameInfo.black, black_stren,
4786 basetime, increment, VariantName(gameInfo.variant));
4789 if (appData.debugMode) {
4790 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4795 /* Display the board */
4796 if (!pausing && !appData.noGUI) {
4798 if (appData.premove)
4800 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4801 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4802 ClearPremoveHighlights();
4804 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4805 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4806 DrawPosition(j, boards[currentMove]);
4808 DisplayMove(moveNum - 1);
4809 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4810 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4811 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4812 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4816 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4818 if(bookHit) { // [HGM] book: simulate book reply
4819 static char bookMove[MSG_SIZ]; // a bit generous?
4821 programStats.nodes = programStats.depth = programStats.time =
4822 programStats.score = programStats.got_only_move = 0;
4823 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4825 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4826 strcat(bookMove, bookHit);
4827 HandleMachineMove(bookMove, &first);
4836 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4837 ics_getting_history = H_REQUESTED;
4838 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4844 AnalysisPeriodicEvent(force)
4847 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4848 && !force) || !appData.periodicUpdates)
4851 /* Send . command to Crafty to collect stats */
4852 SendToProgram(".\n", &first);
4854 /* Don't send another until we get a response (this makes
4855 us stop sending to old Crafty's which don't understand
4856 the "." command (sending illegal cmds resets node count & time,
4857 which looks bad)) */
4858 programStats.ok_to_send = 0;
4861 void ics_update_width(new_width)
4864 ics_printf("set width %d\n", new_width);
4868 SendMoveToProgram(moveNum, cps)
4870 ChessProgramState *cps;
4874 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4875 // null move in variant where engine does not understand it (for analysis purposes)
4876 SendBoard(cps, moveNum + 1); // send position after move in stead.
4879 if (cps->useUsermove) {
4880 SendToProgram("usermove ", cps);
4884 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4885 int len = space - parseList[moveNum];
4886 memcpy(buf, parseList[moveNum], len);
4888 buf[len] = NULLCHAR;
4890 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4892 SendToProgram(buf, cps);
4894 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4895 AlphaRank(moveList[moveNum], 4);
4896 SendToProgram(moveList[moveNum], cps);
4897 AlphaRank(moveList[moveNum], 4); // and back
4899 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4900 * the engine. It would be nice to have a better way to identify castle
4902 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4903 && cps->useOOCastle) {
4904 int fromX = moveList[moveNum][0] - AAA;
4905 int fromY = moveList[moveNum][1] - ONE;
4906 int toX = moveList[moveNum][2] - AAA;
4907 int toY = moveList[moveNum][3] - ONE;
4908 if((boards[moveNum][fromY][fromX] == WhiteKing
4909 && boards[moveNum][toY][toX] == WhiteRook)
4910 || (boards[moveNum][fromY][fromX] == BlackKing
4911 && boards[moveNum][toY][toX] == BlackRook)) {
4912 if(toX > fromX) SendToProgram("O-O\n", cps);
4913 else SendToProgram("O-O-O\n", cps);
4915 else SendToProgram(moveList[moveNum], cps);
4917 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4918 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4919 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4920 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4921 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4923 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4924 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4925 SendToProgram(buf, cps);
4927 else SendToProgram(moveList[moveNum], cps);
4928 /* End of additions by Tord */
4931 /* [HGM] setting up the opening has brought engine in force mode! */
4932 /* Send 'go' if we are in a mode where machine should play. */
4933 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4934 (gameMode == TwoMachinesPlay ||
4936 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4938 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4939 SendToProgram("go\n", cps);
4940 if (appData.debugMode) {
4941 fprintf(debugFP, "(extra)\n");
4944 setboardSpoiledMachineBlack = 0;
4948 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4950 int fromX, fromY, toX, toY;
4953 char user_move[MSG_SIZ];
4957 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4958 (int)moveType, fromX, fromY, toX, toY);
4959 DisplayError(user_move + strlen("say "), 0);
4961 case WhiteKingSideCastle:
4962 case BlackKingSideCastle:
4963 case WhiteQueenSideCastleWild:
4964 case BlackQueenSideCastleWild:
4966 case WhiteHSideCastleFR:
4967 case BlackHSideCastleFR:
4969 snprintf(user_move, MSG_SIZ, "o-o\n");
4971 case WhiteQueenSideCastle:
4972 case BlackQueenSideCastle:
4973 case WhiteKingSideCastleWild:
4974 case BlackKingSideCastleWild:
4976 case WhiteASideCastleFR:
4977 case BlackASideCastleFR:
4979 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4981 case WhiteNonPromotion:
4982 case BlackNonPromotion:
4983 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4985 case WhitePromotion:
4986 case BlackPromotion:
4987 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4988 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4989 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4990 PieceToChar(WhiteFerz));
4991 else if(gameInfo.variant == VariantGreat)
4992 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4993 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4994 PieceToChar(WhiteMan));
4996 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4997 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5003 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5004 ToUpper(PieceToChar((ChessSquare) fromX)),
5005 AAA + toX, ONE + toY);
5007 case IllegalMove: /* could be a variant we don't quite understand */
5008 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5010 case WhiteCapturesEnPassant:
5011 case BlackCapturesEnPassant:
5012 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5013 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5016 SendToICS(user_move);
5017 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5018 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5023 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5024 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5025 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5026 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5027 DisplayError("You cannot do this while you are playing or observing", 0);
5030 if(gameMode != IcsExamining) { // is this ever not the case?
5031 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5033 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5034 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5035 } else { // on FICS we must first go to general examine mode
5036 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5038 if(gameInfo.variant != VariantNormal) {
5039 // try figure out wild number, as xboard names are not always valid on ICS
5040 for(i=1; i<=36; i++) {
5041 snprintf(buf, MSG_SIZ, "wild/%d", i);
5042 if(StringToVariant(buf) == gameInfo.variant) break;
5044 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5045 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5046 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5047 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5048 SendToICS(ics_prefix);
5050 if(startedFromSetupPosition || backwardMostMove != 0) {
5051 fen = PositionToFEN(backwardMostMove, NULL);
5052 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5053 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5055 } else { // FICS: everything has to set by separate bsetup commands
5056 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5057 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5059 if(!WhiteOnMove(backwardMostMove)) {
5060 SendToICS("bsetup tomove black\n");
5062 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5063 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5065 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5066 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5068 i = boards[backwardMostMove][EP_STATUS];
5069 if(i >= 0) { // set e.p.
5070 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5076 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5077 SendToICS("bsetup done\n"); // switch to normal examining.
5079 for(i = backwardMostMove; i<last; i++) {
5081 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5084 SendToICS(ics_prefix);
5085 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5089 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5094 if (rf == DROP_RANK) {
5095 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5096 sprintf(move, "%c@%c%c\n",
5097 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5099 if (promoChar == 'x' || promoChar == NULLCHAR) {
5100 sprintf(move, "%c%c%c%c\n",
5101 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5103 sprintf(move, "%c%c%c%c%c\n",
5104 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5110 ProcessICSInitScript(f)
5115 while (fgets(buf, MSG_SIZ, f)) {
5116 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5123 static int lastX, lastY, selectFlag, dragging;
5128 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5129 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5130 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5131 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5132 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5133 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5136 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5137 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5138 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5139 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5141 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5142 appData.testLegality && (promoSweep == king ||
5143 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5144 ChangeDragPiece(promoSweep);
5147 int PromoScroll(int x, int y)
5151 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5152 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5153 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5154 if(!step) return FALSE;
5155 lastX = x; lastY = y;
5156 if((promoSweep < BlackPawn) == flipView) step = -step;
5157 if(step > 0) selectFlag = 1;
5158 if(!selectFlag) Sweep(step);
5165 ChessSquare piece = boards[currentMove][toY][toX];
5168 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5169 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5170 if(!step) step = -1;
5171 } while(PieceToChar(pieceSweep) == '.');
5172 boards[currentMove][toY][toX] = pieceSweep;
5173 DrawPosition(FALSE, boards[currentMove]);
5174 boards[currentMove][toY][toX] = piece;
5176 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5178 AlphaRank(char *move, int n)
5180 // char *p = move, c; int x, y;
5182 if (appData.debugMode) {
5183 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5187 move[2]>='0' && move[2]<='9' &&
5188 move[3]>='a' && move[3]<='x' ) {
5190 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5191 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5193 if(move[0]>='0' && move[0]<='9' &&
5194 move[1]>='a' && move[1]<='x' &&
5195 move[2]>='0' && move[2]<='9' &&
5196 move[3]>='a' && move[3]<='x' ) {
5197 /* input move, Shogi -> normal */
5198 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5199 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5200 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5201 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5204 move[3]>='0' && move[3]<='9' &&
5205 move[2]>='a' && move[2]<='x' ) {
5207 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5208 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5211 move[0]>='a' && move[0]<='x' &&
5212 move[3]>='0' && move[3]<='9' &&
5213 move[2]>='a' && move[2]<='x' ) {
5214 /* output move, normal -> Shogi */
5215 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5216 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5217 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5218 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5219 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5221 if (appData.debugMode) {
5222 fprintf(debugFP, " out = '%s'\n", move);
5226 char yy_textstr[8000];
5228 /* Parser for moves from gnuchess, ICS, or user typein box */
5230 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5233 ChessMove *moveType;
5234 int *fromX, *fromY, *toX, *toY;
5237 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5239 switch (*moveType) {
5240 case WhitePromotion:
5241 case BlackPromotion:
5242 case WhiteNonPromotion:
5243 case BlackNonPromotion:
5245 case WhiteCapturesEnPassant:
5246 case BlackCapturesEnPassant:
5247 case WhiteKingSideCastle:
5248 case WhiteQueenSideCastle:
5249 case BlackKingSideCastle:
5250 case BlackQueenSideCastle:
5251 case WhiteKingSideCastleWild:
5252 case WhiteQueenSideCastleWild:
5253 case BlackKingSideCastleWild:
5254 case BlackQueenSideCastleWild:
5255 /* Code added by Tord: */
5256 case WhiteHSideCastleFR:
5257 case WhiteASideCastleFR:
5258 case BlackHSideCastleFR:
5259 case BlackASideCastleFR:
5260 /* End of code added by Tord */
5261 case IllegalMove: /* bug or odd chess variant */
5262 *fromX = currentMoveString[0] - AAA;
5263 *fromY = currentMoveString[1] - ONE;
5264 *toX = currentMoveString[2] - AAA;
5265 *toY = currentMoveString[3] - ONE;
5266 *promoChar = currentMoveString[4];
5267 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5268 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5269 if (appData.debugMode) {
5270 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5272 *fromX = *fromY = *toX = *toY = 0;
5275 if (appData.testLegality) {
5276 return (*moveType != IllegalMove);
5278 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5279 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5284 *fromX = *moveType == WhiteDrop ?
5285 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5286 (int) CharToPiece(ToLower(currentMoveString[0]));
5288 *toX = currentMoveString[2] - AAA;
5289 *toY = currentMoveString[3] - ONE;
5290 *promoChar = NULLCHAR;
5294 case ImpossibleMove:
5304 if (appData.debugMode) {
5305 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5308 *fromX = *fromY = *toX = *toY = 0;
5309 *promoChar = NULLCHAR;
5314 Boolean pushed = FALSE;
5315 char *lastParseAttempt;
5318 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5319 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5320 int fromX, fromY, toX, toY; char promoChar;
5325 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5326 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5329 endPV = forwardMostMove;
5331 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5332 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5333 lastParseAttempt = pv;
5334 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5335 if(appData.debugMode){
5336 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);
5338 if(!valid && nr == 0 &&
5339 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5340 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5341 // Hande case where played move is different from leading PV move
5342 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5343 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5344 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5345 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5346 endPV += 2; // if position different, keep this
5347 moveList[endPV-1][0] = fromX + AAA;
5348 moveList[endPV-1][1] = fromY + ONE;
5349 moveList[endPV-1][2] = toX + AAA;
5350 moveList[endPV-1][3] = toY + ONE;
5351 parseList[endPV-1][0] = NULLCHAR;
5352 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5355 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5356 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5357 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5358 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5359 valid++; // allow comments in PV
5363 if(endPV+1 > framePtr) break; // no space, truncate
5366 CopyBoard(boards[endPV], boards[endPV-1]);
5367 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5368 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5369 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5370 CoordsToAlgebraic(boards[endPV - 1],
5371 PosFlags(endPV - 1),
5372 fromY, fromX, toY, toX, promoChar,
5373 parseList[endPV - 1]);
5375 if(atEnd == 2) return; // used hidden, for PV conversion
5376 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5377 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5378 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5379 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5380 DrawPosition(TRUE, boards[currentMove]);
5384 MultiPV(ChessProgramState *cps)
5385 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5387 for(i=0; i<cps->nrOptions; i++)
5388 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5394 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5396 int startPV, multi, lineStart, origIndex = index;
5397 char *p, buf2[MSG_SIZ];
5399 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5400 lastX = x; lastY = y;
5401 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5402 lineStart = startPV = index;
5403 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5404 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5406 do{ while(buf[index] && buf[index] != '\n') index++;
5407 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5409 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5410 int n = first.option[multi].value;
5411 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5412 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5413 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5414 first.option[multi].value = n;
5418 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5419 *start = startPV; *end = index-1;
5426 static char buf[10*MSG_SIZ];
5427 int i, k=0, savedEnd=endPV;
5429 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5430 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5431 for(i = forwardMostMove; i<endPV; i++){
5432 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5433 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5436 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5437 if(forwardMostMove < savedEnd) PopInner(0);
5443 LoadPV(int x, int y)
5444 { // called on right mouse click to load PV
5445 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5446 lastX = x; lastY = y;
5447 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5454 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5455 if(endPV < 0) return;
5457 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5458 Boolean saveAnimate = appData.animate;
5460 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5461 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5462 } else storedGames--; // abandon shelved tail of original game
5465 forwardMostMove = currentMove;
5466 currentMove = oldFMM;
5467 appData.animate = FALSE;
5468 ToNrEvent(forwardMostMove);
5469 appData.animate = saveAnimate;
5471 currentMove = forwardMostMove;
5472 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5473 ClearPremoveHighlights();
5474 DrawPosition(TRUE, boards[currentMove]);
5478 MovePV(int x, int y, int h)
5479 { // step through PV based on mouse coordinates (called on mouse move)
5480 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5482 // we must somehow check if right button is still down (might be released off board!)
5483 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5484 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5485 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5487 lastX = x; lastY = y;
5489 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5490 if(endPV < 0) return;
5491 if(y < margin) step = 1; else
5492 if(y > h - margin) step = -1;
5493 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5494 currentMove += step;
5495 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5496 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5497 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5498 DrawPosition(FALSE, boards[currentMove]);
5502 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5503 // All positions will have equal probability, but the current method will not provide a unique
5504 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5510 int piecesLeft[(int)BlackPawn];
5511 int seed, nrOfShuffles;
5513 void GetPositionNumber()
5514 { // sets global variable seed
5517 seed = appData.defaultFrcPosition;
5518 if(seed < 0) { // randomize based on time for negative FRC position numbers
5519 for(i=0; i<50; i++) seed += random();
5520 seed = random() ^ random() >> 8 ^ random() << 8;
5521 if(seed<0) seed = -seed;
5525 int put(Board board, int pieceType, int rank, int n, int shade)
5526 // put the piece on the (n-1)-th empty squares of the given shade
5530 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5531 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5532 board[rank][i] = (ChessSquare) pieceType;
5533 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5535 piecesLeft[pieceType]--;
5543 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5544 // calculate where the next piece goes, (any empty square), and put it there
5548 i = seed % squaresLeft[shade];
5549 nrOfShuffles *= squaresLeft[shade];
5550 seed /= squaresLeft[shade];
5551 put(board, pieceType, rank, i, shade);
5554 void AddTwoPieces(Board board, int pieceType, int rank)
5555 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5557 int i, n=squaresLeft[ANY], j=n-1, k;
5559 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5560 i = seed % k; // pick one
5563 while(i >= j) i -= j--;
5564 j = n - 1 - j; i += j;
5565 put(board, pieceType, rank, j, ANY);
5566 put(board, pieceType, rank, i, ANY);
5569 void SetUpShuffle(Board board, int number)
5573 GetPositionNumber(); nrOfShuffles = 1;
5575 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5576 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5577 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5579 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5581 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5582 p = (int) board[0][i];
5583 if(p < (int) BlackPawn) piecesLeft[p] ++;
5584 board[0][i] = EmptySquare;
5587 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5588 // shuffles restricted to allow normal castling put KRR first
5589 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5590 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5591 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5592 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5593 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5594 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5595 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5596 put(board, WhiteRook, 0, 0, ANY);
5597 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5600 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5601 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5602 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5603 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5604 while(piecesLeft[p] >= 2) {
5605 AddOnePiece(board, p, 0, LITE);
5606 AddOnePiece(board, p, 0, DARK);
5608 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5611 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5612 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5613 // but we leave King and Rooks for last, to possibly obey FRC restriction
5614 if(p == (int)WhiteRook) continue;
5615 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5616 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5619 // now everything is placed, except perhaps King (Unicorn) and Rooks
5621 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5622 // Last King gets castling rights
5623 while(piecesLeft[(int)WhiteUnicorn]) {
5624 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5625 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5628 while(piecesLeft[(int)WhiteKing]) {
5629 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5630 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5635 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5636 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5639 // Only Rooks can be left; simply place them all
5640 while(piecesLeft[(int)WhiteRook]) {
5641 i = put(board, WhiteRook, 0, 0, ANY);
5642 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5645 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5647 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5650 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5651 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5654 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5657 int SetCharTable( char *table, const char * map )
5658 /* [HGM] moved here from winboard.c because of its general usefulness */
5659 /* Basically a safe strcpy that uses the last character as King */
5661 int result = FALSE; int NrPieces;
5663 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5664 && NrPieces >= 12 && !(NrPieces&1)) {
5665 int i; /* [HGM] Accept even length from 12 to 34 */
5667 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5668 for( i=0; i<NrPieces/2-1; i++ ) {
5670 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5672 table[(int) WhiteKing] = map[NrPieces/2-1];
5673 table[(int) BlackKing] = map[NrPieces-1];
5681 void Prelude(Board board)
5682 { // [HGM] superchess: random selection of exo-pieces
5683 int i, j, k; ChessSquare p;
5684 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5686 GetPositionNumber(); // use FRC position number
5688 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5689 SetCharTable(pieceToChar, appData.pieceToCharTable);
5690 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5691 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5694 j = seed%4; seed /= 4;
5695 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5696 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5697 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5698 j = seed%3 + (seed%3 >= j); seed /= 3;
5699 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5700 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5701 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5702 j = seed%3; seed /= 3;
5703 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5704 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5705 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5706 j = seed%2 + (seed%2 >= j); seed /= 2;
5707 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5708 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5709 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5710 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5711 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5712 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5713 put(board, exoPieces[0], 0, 0, ANY);
5714 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5718 InitPosition(redraw)
5721 ChessSquare (* pieces)[BOARD_FILES];
5722 int i, j, pawnRow, overrule,
5723 oldx = gameInfo.boardWidth,
5724 oldy = gameInfo.boardHeight,
5725 oldh = gameInfo.holdingsWidth;
5728 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5730 /* [AS] Initialize pv info list [HGM] and game status */
5732 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5733 pvInfoList[i].depth = 0;
5734 boards[i][EP_STATUS] = EP_NONE;
5735 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5738 initialRulePlies = 0; /* 50-move counter start */
5740 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5741 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5745 /* [HGM] logic here is completely changed. In stead of full positions */
5746 /* the initialized data only consist of the two backranks. The switch */
5747 /* selects which one we will use, which is than copied to the Board */
5748 /* initialPosition, which for the rest is initialized by Pawns and */
5749 /* empty squares. This initial position is then copied to boards[0], */
5750 /* possibly after shuffling, so that it remains available. */
5752 gameInfo.holdingsWidth = 0; /* default board sizes */
5753 gameInfo.boardWidth = 8;
5754 gameInfo.boardHeight = 8;
5755 gameInfo.holdingsSize = 0;
5756 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5757 for(i=0; i<BOARD_FILES-2; i++)
5758 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5759 initialPosition[EP_STATUS] = EP_NONE;
5760 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5761 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5762 SetCharTable(pieceNickName, appData.pieceNickNames);
5763 else SetCharTable(pieceNickName, "............");
5766 switch (gameInfo.variant) {
5767 case VariantFischeRandom:
5768 shuffleOpenings = TRUE;
5771 case VariantShatranj:
5772 pieces = ShatranjArray;
5773 nrCastlingRights = 0;
5774 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5777 pieces = makrukArray;
5778 nrCastlingRights = 0;
5779 startedFromSetupPosition = TRUE;
5780 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5782 case VariantTwoKings:
5783 pieces = twoKingsArray;
5786 pieces = GrandArray;
5787 nrCastlingRights = 0;
5788 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5789 gameInfo.boardWidth = 10;
5790 gameInfo.boardHeight = 10;
5791 gameInfo.holdingsSize = 7;
5793 case VariantCapaRandom:
5794 shuffleOpenings = TRUE;
5795 case VariantCapablanca:
5796 pieces = CapablancaArray;
5797 gameInfo.boardWidth = 10;
5798 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5801 pieces = GothicArray;
5802 gameInfo.boardWidth = 10;
5803 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5806 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5807 gameInfo.holdingsSize = 7;
5810 pieces = JanusArray;
5811 gameInfo.boardWidth = 10;
5812 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5813 nrCastlingRights = 6;
5814 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5815 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5816 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5817 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5818 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5819 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5822 pieces = FalconArray;
5823 gameInfo.boardWidth = 10;
5824 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5826 case VariantXiangqi:
5827 pieces = XiangqiArray;
5828 gameInfo.boardWidth = 9;
5829 gameInfo.boardHeight = 10;
5830 nrCastlingRights = 0;
5831 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5834 pieces = ShogiArray;
5835 gameInfo.boardWidth = 9;
5836 gameInfo.boardHeight = 9;
5837 gameInfo.holdingsSize = 7;
5838 nrCastlingRights = 0;
5839 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5841 case VariantCourier:
5842 pieces = CourierArray;
5843 gameInfo.boardWidth = 12;
5844 nrCastlingRights = 0;
5845 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5847 case VariantKnightmate:
5848 pieces = KnightmateArray;
5849 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5851 case VariantSpartan:
5852 pieces = SpartanArray;
5853 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5856 pieces = fairyArray;
5857 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5860 pieces = GreatArray;
5861 gameInfo.boardWidth = 10;
5862 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5863 gameInfo.holdingsSize = 8;
5867 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5868 gameInfo.holdingsSize = 8;
5869 startedFromSetupPosition = TRUE;
5871 case VariantCrazyhouse:
5872 case VariantBughouse:
5874 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5875 gameInfo.holdingsSize = 5;
5877 case VariantWildCastle:
5879 /* !!?shuffle with kings guaranteed to be on d or e file */
5880 shuffleOpenings = 1;
5882 case VariantNoCastle:
5884 nrCastlingRights = 0;
5885 /* !!?unconstrained back-rank shuffle */
5886 shuffleOpenings = 1;
5891 if(appData.NrFiles >= 0) {
5892 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5893 gameInfo.boardWidth = appData.NrFiles;
5895 if(appData.NrRanks >= 0) {
5896 gameInfo.boardHeight = appData.NrRanks;
5898 if(appData.holdingsSize >= 0) {
5899 i = appData.holdingsSize;
5900 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5901 gameInfo.holdingsSize = i;
5903 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5904 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5905 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5907 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5908 if(pawnRow < 1) pawnRow = 1;
5909 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5911 /* User pieceToChar list overrules defaults */
5912 if(appData.pieceToCharTable != NULL)
5913 SetCharTable(pieceToChar, appData.pieceToCharTable);
5915 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5917 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5918 s = (ChessSquare) 0; /* account holding counts in guard band */
5919 for( i=0; i<BOARD_HEIGHT; i++ )
5920 initialPosition[i][j] = s;
5922 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5923 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5924 initialPosition[pawnRow][j] = WhitePawn;
5925 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5926 if(gameInfo.variant == VariantXiangqi) {
5928 initialPosition[pawnRow][j] =
5929 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5930 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5931 initialPosition[2][j] = WhiteCannon;
5932 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5936 if(gameInfo.variant == VariantGrand) {
5937 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5938 initialPosition[0][j] = WhiteRook;
5939 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5942 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5944 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5947 initialPosition[1][j] = WhiteBishop;
5948 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5950 initialPosition[1][j] = WhiteRook;
5951 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5954 if( nrCastlingRights == -1) {
5955 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5956 /* This sets default castling rights from none to normal corners */
5957 /* Variants with other castling rights must set them themselves above */
5958 nrCastlingRights = 6;
5960 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5961 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5962 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5963 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5964 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5965 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5968 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5969 if(gameInfo.variant == VariantGreat) { // promotion commoners
5970 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5971 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5972 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5973 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5975 if( gameInfo.variant == VariantSChess ) {
5976 initialPosition[1][0] = BlackMarshall;
5977 initialPosition[2][0] = BlackAngel;
5978 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5979 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5980 initialPosition[1][1] = initialPosition[2][1] =
5981 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5983 if (appData.debugMode) {
5984 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5986 if(shuffleOpenings) {
5987 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5988 startedFromSetupPosition = TRUE;
5990 if(startedFromPositionFile) {
5991 /* [HGM] loadPos: use PositionFile for every new game */
5992 CopyBoard(initialPosition, filePosition);
5993 for(i=0; i<nrCastlingRights; i++)
5994 initialRights[i] = filePosition[CASTLING][i];
5995 startedFromSetupPosition = TRUE;
5998 CopyBoard(boards[0], initialPosition);
6000 if(oldx != gameInfo.boardWidth ||
6001 oldy != gameInfo.boardHeight ||
6002 oldv != gameInfo.variant ||
6003 oldh != gameInfo.holdingsWidth
6005 InitDrawingSizes(-2 ,0);
6007 oldv = gameInfo.variant;
6009 DrawPosition(TRUE, boards[currentMove]);
6013 SendBoard(cps, moveNum)
6014 ChessProgramState *cps;
6017 char message[MSG_SIZ];
6019 if (cps->useSetboard) {
6020 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6021 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6022 SendToProgram(message, cps);
6028 /* Kludge to set black to move, avoiding the troublesome and now
6029 * deprecated "black" command.
6031 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6032 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6034 SendToProgram("edit\n", cps);
6035 SendToProgram("#\n", cps);
6036 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6037 bp = &boards[moveNum][i][BOARD_LEFT];
6038 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6039 if ((int) *bp < (int) BlackPawn) {
6040 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6042 if(message[0] == '+' || message[0] == '~') {
6043 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6044 PieceToChar((ChessSquare)(DEMOTED *bp)),
6047 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6048 message[1] = BOARD_RGHT - 1 - j + '1';
6049 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6051 SendToProgram(message, cps);
6056 SendToProgram("c\n", cps);
6057 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6058 bp = &boards[moveNum][i][BOARD_LEFT];
6059 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6060 if (((int) *bp != (int) EmptySquare)
6061 && ((int) *bp >= (int) BlackPawn)) {
6062 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6064 if(message[0] == '+' || message[0] == '~') {
6065 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6066 PieceToChar((ChessSquare)(DEMOTED *bp)),
6069 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6070 message[1] = BOARD_RGHT - 1 - j + '1';
6071 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6073 SendToProgram(message, cps);
6078 SendToProgram(".\n", cps);
6080 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6084 DefaultPromoChoice(int white)
6087 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6088 result = WhiteFerz; // no choice
6089 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6090 result= WhiteKing; // in Suicide Q is the last thing we want
6091 else if(gameInfo.variant == VariantSpartan)
6092 result = white ? WhiteQueen : WhiteAngel;
6093 else result = WhiteQueen;
6094 if(!white) result = WHITE_TO_BLACK result;
6098 static int autoQueen; // [HGM] oneclick
6101 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6103 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6104 /* [HGM] add Shogi promotions */
6105 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6110 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6111 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6113 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6114 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6117 piece = boards[currentMove][fromY][fromX];
6118 if(gameInfo.variant == VariantShogi) {
6119 promotionZoneSize = BOARD_HEIGHT/3;
6120 highestPromotingPiece = (int)WhiteFerz;
6121 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6122 promotionZoneSize = 3;
6125 // Treat Lance as Pawn when it is not representing Amazon
6126 if(gameInfo.variant != VariantSuper) {
6127 if(piece == WhiteLance) piece = WhitePawn; else
6128 if(piece == BlackLance) piece = BlackPawn;
6131 // next weed out all moves that do not touch the promotion zone at all
6132 if((int)piece >= BlackPawn) {
6133 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6135 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6137 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6138 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6141 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6143 // weed out mandatory Shogi promotions
6144 if(gameInfo.variant == VariantShogi) {
6145 if(piece >= BlackPawn) {
6146 if(toY == 0 && piece == BlackPawn ||
6147 toY == 0 && piece == BlackQueen ||
6148 toY <= 1 && piece == BlackKnight) {
6153 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6154 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6155 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6162 // weed out obviously illegal Pawn moves
6163 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6164 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6165 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6166 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6167 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6168 // note we are not allowed to test for valid (non-)capture, due to premove
6171 // we either have a choice what to promote to, or (in Shogi) whether to promote
6172 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6173 *promoChoice = PieceToChar(BlackFerz); // no choice
6176 // no sense asking what we must promote to if it is going to explode...
6177 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6178 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6181 // give caller the default choice even if we will not make it
6182 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6183 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6184 if( sweepSelect && gameInfo.variant != VariantGreat
6185 && gameInfo.variant != VariantGrand
6186 && gameInfo.variant != VariantSuper) return FALSE;
6187 if(autoQueen) return FALSE; // predetermined
6189 // suppress promotion popup on illegal moves that are not premoves
6190 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6191 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6192 if(appData.testLegality && !premove) {
6193 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6194 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6195 if(moveType != WhitePromotion && moveType != BlackPromotion)
6203 InPalace(row, column)
6205 { /* [HGM] for Xiangqi */
6206 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6207 column < (BOARD_WIDTH + 4)/2 &&
6208 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6213 PieceForSquare (x, y)
6217 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6220 return boards[currentMove][y][x];
6224 OKToStartUserMove(x, y)
6227 ChessSquare from_piece;
6230 if (matchMode) return FALSE;
6231 if (gameMode == EditPosition) return TRUE;
6233 if (x >= 0 && y >= 0)
6234 from_piece = boards[currentMove][y][x];
6236 from_piece = EmptySquare;
6238 if (from_piece == EmptySquare) return FALSE;
6240 white_piece = (int)from_piece >= (int)WhitePawn &&
6241 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6245 case TwoMachinesPlay:
6253 case MachinePlaysWhite:
6254 case IcsPlayingBlack:
6255 if (appData.zippyPlay) return FALSE;
6257 DisplayMoveError(_("You are playing Black"));
6262 case MachinePlaysBlack:
6263 case IcsPlayingWhite:
6264 if (appData.zippyPlay) return FALSE;
6266 DisplayMoveError(_("You are playing White"));
6271 case PlayFromGameFile:
6272 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6274 if (!white_piece && WhiteOnMove(currentMove)) {
6275 DisplayMoveError(_("It is White's turn"));
6278 if (white_piece && !WhiteOnMove(currentMove)) {
6279 DisplayMoveError(_("It is Black's turn"));
6282 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6283 /* Editing correspondence game history */
6284 /* Could disallow this or prompt for confirmation */
6289 case BeginningOfGame:
6290 if (appData.icsActive) return FALSE;
6291 if (!appData.noChessProgram) {
6293 DisplayMoveError(_("You are playing White"));
6300 if (!white_piece && WhiteOnMove(currentMove)) {
6301 DisplayMoveError(_("It is White's turn"));
6304 if (white_piece && !WhiteOnMove(currentMove)) {
6305 DisplayMoveError(_("It is Black's turn"));
6314 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6315 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6316 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6317 && gameMode != AnalyzeFile && gameMode != Training) {
6318 DisplayMoveError(_("Displayed position is not current"));
6325 OnlyMove(int *x, int *y, Boolean captures) {
6326 DisambiguateClosure cl;
6327 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6329 case MachinePlaysBlack:
6330 case IcsPlayingWhite:
6331 case BeginningOfGame:
6332 if(!WhiteOnMove(currentMove)) return FALSE;
6334 case MachinePlaysWhite:
6335 case IcsPlayingBlack:
6336 if(WhiteOnMove(currentMove)) return FALSE;
6343 cl.pieceIn = EmptySquare;
6348 cl.promoCharIn = NULLCHAR;
6349 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6350 if( cl.kind == NormalMove ||
6351 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6352 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6353 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6360 if(cl.kind != ImpossibleMove) return FALSE;
6361 cl.pieceIn = EmptySquare;
6366 cl.promoCharIn = NULLCHAR;
6367 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6368 if( cl.kind == NormalMove ||
6369 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6370 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6371 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6376 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6382 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6383 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6384 int lastLoadGameUseList = FALSE;
6385 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6386 ChessMove lastLoadGameStart = EndOfFile;
6389 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6390 int fromX, fromY, toX, toY;
6394 ChessSquare pdown, pup;
6396 /* Check if the user is playing in turn. This is complicated because we
6397 let the user "pick up" a piece before it is his turn. So the piece he
6398 tried to pick up may have been captured by the time he puts it down!
6399 Therefore we use the color the user is supposed to be playing in this
6400 test, not the color of the piece that is currently on the starting
6401 square---except in EditGame mode, where the user is playing both
6402 sides; fortunately there the capture race can't happen. (It can
6403 now happen in IcsExamining mode, but that's just too bad. The user
6404 will get a somewhat confusing message in that case.)
6409 case TwoMachinesPlay:
6413 /* We switched into a game mode where moves are not accepted,
6414 perhaps while the mouse button was down. */
6417 case MachinePlaysWhite:
6418 /* User is moving for Black */
6419 if (WhiteOnMove(currentMove)) {
6420 DisplayMoveError(_("It is White's turn"));
6425 case MachinePlaysBlack:
6426 /* User is moving for White */
6427 if (!WhiteOnMove(currentMove)) {
6428 DisplayMoveError(_("It is Black's turn"));
6433 case PlayFromGameFile:
6434 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6437 case BeginningOfGame:
6440 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6441 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6442 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6443 /* User is moving for Black */
6444 if (WhiteOnMove(currentMove)) {
6445 DisplayMoveError(_("It is White's turn"));
6449 /* User is moving for White */
6450 if (!WhiteOnMove(currentMove)) {
6451 DisplayMoveError(_("It is Black's turn"));
6457 case IcsPlayingBlack:
6458 /* User is moving for Black */
6459 if (WhiteOnMove(currentMove)) {
6460 if (!appData.premove) {
6461 DisplayMoveError(_("It is White's turn"));
6462 } else if (toX >= 0 && toY >= 0) {
6465 premoveFromX = fromX;
6466 premoveFromY = fromY;
6467 premovePromoChar = promoChar;
6469 if (appData.debugMode)
6470 fprintf(debugFP, "Got premove: fromX %d,"
6471 "fromY %d, toX %d, toY %d\n",
6472 fromX, fromY, toX, toY);
6478 case IcsPlayingWhite:
6479 /* User is moving for White */
6480 if (!WhiteOnMove(currentMove)) {
6481 if (!appData.premove) {
6482 DisplayMoveError(_("It is Black's turn"));
6483 } else if (toX >= 0 && toY >= 0) {
6486 premoveFromX = fromX;
6487 premoveFromY = fromY;
6488 premovePromoChar = promoChar;
6490 if (appData.debugMode)
6491 fprintf(debugFP, "Got premove: fromX %d,"
6492 "fromY %d, toX %d, toY %d\n",
6493 fromX, fromY, toX, toY);
6503 /* EditPosition, empty square, or different color piece;
6504 click-click move is possible */
6505 if (toX == -2 || toY == -2) {
6506 boards[0][fromY][fromX] = EmptySquare;
6507 DrawPosition(FALSE, boards[currentMove]);
6509 } else if (toX >= 0 && toY >= 0) {
6510 boards[0][toY][toX] = boards[0][fromY][fromX];
6511 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6512 if(boards[0][fromY][0] != EmptySquare) {
6513 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6514 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6517 if(fromX == BOARD_RGHT+1) {
6518 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6519 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6520 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6523 boards[0][fromY][fromX] = EmptySquare;
6524 DrawPosition(FALSE, boards[currentMove]);
6530 if(toX < 0 || toY < 0) return;
6531 pdown = boards[currentMove][fromY][fromX];
6532 pup = boards[currentMove][toY][toX];
6534 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6535 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6536 if( pup != EmptySquare ) return;
6537 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6538 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6539 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6540 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6541 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6542 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6543 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6547 /* [HGM] always test for legality, to get promotion info */
6548 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6549 fromY, fromX, toY, toX, promoChar);
6551 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6553 /* [HGM] but possibly ignore an IllegalMove result */
6554 if (appData.testLegality) {
6555 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6556 DisplayMoveError(_("Illegal move"));
6561 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6564 /* Common tail of UserMoveEvent and DropMenuEvent */
6566 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6568 int fromX, fromY, toX, toY;
6569 /*char*/int promoChar;
6573 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6574 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6575 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6576 if(WhiteOnMove(currentMove)) {
6577 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6579 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6583 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6584 move type in caller when we know the move is a legal promotion */
6585 if(moveType == NormalMove && promoChar)
6586 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6588 /* [HGM] <popupFix> The following if has been moved here from
6589 UserMoveEvent(). Because it seemed to belong here (why not allow
6590 piece drops in training games?), and because it can only be
6591 performed after it is known to what we promote. */
6592 if (gameMode == Training) {
6593 /* compare the move played on the board to the next move in the
6594 * game. If they match, display the move and the opponent's response.
6595 * If they don't match, display an error message.
6599 CopyBoard(testBoard, boards[currentMove]);
6600 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6602 if (CompareBoards(testBoard, boards[currentMove+1])) {
6603 ForwardInner(currentMove+1);
6605 /* Autoplay the opponent's response.
6606 * if appData.animate was TRUE when Training mode was entered,
6607 * the response will be animated.
6609 saveAnimate = appData.animate;
6610 appData.animate = animateTraining;
6611 ForwardInner(currentMove+1);
6612 appData.animate = saveAnimate;
6614 /* check for the end of the game */
6615 if (currentMove >= forwardMostMove) {
6616 gameMode = PlayFromGameFile;
6618 SetTrainingModeOff();
6619 DisplayInformation(_("End of game"));
6622 DisplayError(_("Incorrect move"), 0);
6627 /* Ok, now we know that the move is good, so we can kill
6628 the previous line in Analysis Mode */
6629 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6630 && currentMove < forwardMostMove) {
6631 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6632 else forwardMostMove = currentMove;
6635 /* If we need the chess program but it's dead, restart it */
6636 ResurrectChessProgram();
6638 /* A user move restarts a paused game*/
6642 thinkOutput[0] = NULLCHAR;
6644 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6646 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6647 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6651 if (gameMode == BeginningOfGame) {
6652 if (appData.noChessProgram) {
6653 gameMode = EditGame;
6657 gameMode = MachinePlaysBlack;
6660 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6662 if (first.sendName) {
6663 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6664 SendToProgram(buf, &first);
6671 /* Relay move to ICS or chess engine */
6672 if (appData.icsActive) {
6673 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6674 gameMode == IcsExamining) {
6675 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6676 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6678 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6680 // also send plain move, in case ICS does not understand atomic claims
6681 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6685 if (first.sendTime && (gameMode == BeginningOfGame ||
6686 gameMode == MachinePlaysWhite ||
6687 gameMode == MachinePlaysBlack)) {
6688 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6690 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6691 // [HGM] book: if program might be playing, let it use book
6692 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6693 first.maybeThinking = TRUE;
6694 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6695 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6696 SendBoard(&first, currentMove+1);
6697 } else SendMoveToProgram(forwardMostMove-1, &first);
6698 if (currentMove == cmailOldMove + 1) {
6699 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6703 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6707 if(appData.testLegality)
6708 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6714 if (WhiteOnMove(currentMove)) {
6715 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6717 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6721 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6726 case MachinePlaysBlack:
6727 case MachinePlaysWhite:
6728 /* disable certain menu options while machine is thinking */
6729 SetMachineThinkingEnables();
6736 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6737 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6739 if(bookHit) { // [HGM] book: simulate book reply
6740 static char bookMove[MSG_SIZ]; // a bit generous?
6742 programStats.nodes = programStats.depth = programStats.time =
6743 programStats.score = programStats.got_only_move = 0;
6744 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6746 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6747 strcat(bookMove, bookHit);
6748 HandleMachineMove(bookMove, &first);
6754 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6761 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6762 Markers *m = (Markers *) closure;
6763 if(rf == fromY && ff == fromX)
6764 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6765 || kind == WhiteCapturesEnPassant
6766 || kind == BlackCapturesEnPassant);
6767 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6771 MarkTargetSquares(int clear)
6774 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6775 !appData.testLegality || gameMode == EditPosition) return;
6777 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6780 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6781 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6782 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6784 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6787 DrawPosition(TRUE, NULL);
6791 Explode(Board board, int fromX, int fromY, int toX, int toY)
6793 if(gameInfo.variant == VariantAtomic &&
6794 (board[toY][toX] != EmptySquare || // capture?
6795 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6796 board[fromY][fromX] == BlackPawn )
6798 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6804 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6806 int CanPromote(ChessSquare piece, int y)
6808 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6809 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6810 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6811 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6812 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6813 gameInfo.variant == VariantMakruk) return FALSE;
6814 return (piece == BlackPawn && y == 1 ||
6815 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6816 piece == BlackLance && y == 1 ||
6817 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6820 void LeftClick(ClickType clickType, int xPix, int yPix)
6823 Boolean saveAnimate;
6824 static int second = 0, promotionChoice = 0, clearFlag = 0;
6825 char promoChoice = NULLCHAR;
6828 if(appData.seekGraph && appData.icsActive && loggedOn &&
6829 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6830 SeekGraphClick(clickType, xPix, yPix, 0);
6834 if (clickType == Press) ErrorPopDown();
6836 x = EventToSquare(xPix, BOARD_WIDTH);
6837 y = EventToSquare(yPix, BOARD_HEIGHT);
6838 if (!flipView && y >= 0) {
6839 y = BOARD_HEIGHT - 1 - y;
6841 if (flipView && x >= 0) {
6842 x = BOARD_WIDTH - 1 - x;
6845 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6846 defaultPromoChoice = promoSweep;
6847 promoSweep = EmptySquare; // terminate sweep
6848 promoDefaultAltered = TRUE;
6849 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6852 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6853 if(clickType == Release) return; // ignore upclick of click-click destination
6854 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6855 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6856 if(gameInfo.holdingsWidth &&
6857 (WhiteOnMove(currentMove)
6858 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6859 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6860 // click in right holdings, for determining promotion piece
6861 ChessSquare p = boards[currentMove][y][x];
6862 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6863 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6864 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6865 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6870 DrawPosition(FALSE, boards[currentMove]);
6874 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6875 if(clickType == Press
6876 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6877 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6878 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6881 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6882 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6884 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6885 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6886 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6887 defaultPromoChoice = DefaultPromoChoice(side);
6890 autoQueen = appData.alwaysPromoteToQueen;
6894 gatingPiece = EmptySquare;
6895 if (clickType != Press) {
6896 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6897 DragPieceEnd(xPix, yPix); dragging = 0;
6898 DrawPosition(FALSE, NULL);
6902 fromX = x; fromY = y; toX = toY = -1;
6903 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6904 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6905 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6907 if (OKToStartUserMove(fromX, fromY)) {
6909 MarkTargetSquares(0);
6910 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6911 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6912 promoSweep = defaultPromoChoice;
6913 selectFlag = 0; lastX = xPix; lastY = yPix;
6914 Sweep(0); // Pawn that is going to promote: preview promotion piece
6915 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6917 if (appData.highlightDragging) {
6918 SetHighlights(fromX, fromY, -1, -1);
6920 } else fromX = fromY = -1;
6926 if (clickType == Press && gameMode != EditPosition) {
6931 // ignore off-board to clicks
6932 if(y < 0 || x < 0) return;
6934 /* Check if clicking again on the same color piece */
6935 fromP = boards[currentMove][fromY][fromX];
6936 toP = boards[currentMove][y][x];
6937 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6938 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6939 WhitePawn <= toP && toP <= WhiteKing &&
6940 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6941 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6942 (BlackPawn <= fromP && fromP <= BlackKing &&
6943 BlackPawn <= toP && toP <= BlackKing &&
6944 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6945 !(fromP == BlackKing && toP == BlackRook && frc))) {
6946 /* Clicked again on same color piece -- changed his mind */
6947 second = (x == fromX && y == fromY);
6948 promoDefaultAltered = FALSE;
6949 MarkTargetSquares(1);
6950 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6951 if (appData.highlightDragging) {
6952 SetHighlights(x, y, -1, -1);
6956 if (OKToStartUserMove(x, y)) {
6957 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6958 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6959 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6960 gatingPiece = boards[currentMove][fromY][fromX];
6961 else gatingPiece = EmptySquare;
6963 fromY = y; dragging = 1;
6964 MarkTargetSquares(0);
6965 DragPieceBegin(xPix, yPix, FALSE);
6966 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6967 promoSweep = defaultPromoChoice;
6968 selectFlag = 0; lastX = xPix; lastY = yPix;
6969 Sweep(0); // Pawn that is going to promote: preview promotion piece
6973 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6976 // ignore clicks on holdings
6977 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6980 if (clickType == Release && x == fromX && y == fromY) {
6981 DragPieceEnd(xPix, yPix); dragging = 0;
6983 // a deferred attempt to click-click move an empty square on top of a piece
6984 boards[currentMove][y][x] = EmptySquare;
6986 DrawPosition(FALSE, boards[currentMove]);
6987 fromX = fromY = -1; clearFlag = 0;
6990 if (appData.animateDragging) {
6991 /* Undo animation damage if any */
6992 DrawPosition(FALSE, NULL);
6995 /* Second up/down in same square; just abort move */
6998 gatingPiece = EmptySquare;
7001 ClearPremoveHighlights();
7003 /* First upclick in same square; start click-click mode */
7004 SetHighlights(x, y, -1, -1);
7011 /* we now have a different from- and (possibly off-board) to-square */
7012 /* Completed move */
7015 saveAnimate = appData.animate;
7016 MarkTargetSquares(1);
7017 if (clickType == Press) {
7018 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7019 // must be Edit Position mode with empty-square selected
7020 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7021 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7024 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7025 ChessSquare piece = boards[currentMove][fromY][fromX];
7026 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7027 promoSweep = defaultPromoChoice;
7028 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7029 selectFlag = 0; lastX = xPix; lastY = yPix;
7030 Sweep(0); // Pawn that is going to promote: preview promotion piece
7031 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7032 DrawPosition(FALSE, boards[currentMove]);
7035 /* Finish clickclick move */
7036 if (appData.animate || appData.highlightLastMove) {
7037 SetHighlights(fromX, fromY, toX, toY);
7042 /* Finish drag move */
7043 if (appData.highlightLastMove) {
7044 SetHighlights(fromX, fromY, toX, toY);
7048 DragPieceEnd(xPix, yPix); dragging = 0;
7049 /* Don't animate move and drag both */
7050 appData.animate = FALSE;
7053 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7054 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7055 ChessSquare piece = boards[currentMove][fromY][fromX];
7056 if(gameMode == EditPosition && piece != EmptySquare &&
7057 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7060 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7061 n = PieceToNumber(piece - (int)BlackPawn);
7062 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7063 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7064 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7066 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7067 n = PieceToNumber(piece);
7068 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7069 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7070 boards[currentMove][n][BOARD_WIDTH-2]++;
7072 boards[currentMove][fromY][fromX] = EmptySquare;
7076 DrawPosition(TRUE, boards[currentMove]);
7080 // off-board moves should not be highlighted
7081 if(x < 0 || y < 0) ClearHighlights();
7083 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7085 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7086 SetHighlights(fromX, fromY, toX, toY);
7087 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7088 // [HGM] super: promotion to captured piece selected from holdings
7089 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7090 promotionChoice = TRUE;
7091 // kludge follows to temporarily execute move on display, without promoting yet
7092 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7093 boards[currentMove][toY][toX] = p;
7094 DrawPosition(FALSE, boards[currentMove]);
7095 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7096 boards[currentMove][toY][toX] = q;
7097 DisplayMessage("Click in holdings to choose piece", "");
7102 int oldMove = currentMove;
7103 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7104 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7105 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7106 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7107 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7108 DrawPosition(TRUE, boards[currentMove]);
7111 appData.animate = saveAnimate;
7112 if (appData.animate || appData.animateDragging) {
7113 /* Undo animation damage if needed */
7114 DrawPosition(FALSE, NULL);
7118 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7119 { // front-end-free part taken out of PieceMenuPopup
7120 int whichMenu; int xSqr, ySqr;
7122 if(seekGraphUp) { // [HGM] seekgraph
7123 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7124 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7128 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7129 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7130 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7131 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7132 if(action == Press) {
7133 originalFlip = flipView;
7134 flipView = !flipView; // temporarily flip board to see game from partners perspective
7135 DrawPosition(TRUE, partnerBoard);
7136 DisplayMessage(partnerStatus, "");
7138 } else if(action == Release) {
7139 flipView = originalFlip;
7140 DrawPosition(TRUE, boards[currentMove]);
7146 xSqr = EventToSquare(x, BOARD_WIDTH);
7147 ySqr = EventToSquare(y, BOARD_HEIGHT);
7148 if (action == Release) {
7149 if(pieceSweep != EmptySquare) {
7150 EditPositionMenuEvent(pieceSweep, toX, toY);
7151 pieceSweep = EmptySquare;
7152 } else UnLoadPV(); // [HGM] pv
7154 if (action != Press) return -2; // return code to be ignored
7157 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7159 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7160 if (xSqr < 0 || ySqr < 0) return -1;
7161 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7162 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7163 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7164 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7168 if(!appData.icsEngineAnalyze) return -1;
7169 case IcsPlayingWhite:
7170 case IcsPlayingBlack:
7171 if(!appData.zippyPlay) goto noZip;
7174 case MachinePlaysWhite:
7175 case MachinePlaysBlack:
7176 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7177 if (!appData.dropMenu) {
7179 return 2; // flag front-end to grab mouse events
7181 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7182 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7185 if (xSqr < 0 || ySqr < 0) return -1;
7186 if (!appData.dropMenu || appData.testLegality &&
7187 gameInfo.variant != VariantBughouse &&
7188 gameInfo.variant != VariantCrazyhouse) return -1;
7189 whichMenu = 1; // drop menu
7195 if (((*fromX = xSqr) < 0) ||
7196 ((*fromY = ySqr) < 0)) {
7197 *fromX = *fromY = -1;
7201 *fromX = BOARD_WIDTH - 1 - *fromX;
7203 *fromY = BOARD_HEIGHT - 1 - *fromY;
7208 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7210 // char * hint = lastHint;
7211 FrontEndProgramStats stats;
7213 stats.which = cps == &first ? 0 : 1;
7214 stats.depth = cpstats->depth;
7215 stats.nodes = cpstats->nodes;
7216 stats.score = cpstats->score;
7217 stats.time = cpstats->time;
7218 stats.pv = cpstats->movelist;
7219 stats.hint = lastHint;
7220 stats.an_move_index = 0;
7221 stats.an_move_count = 0;
7223 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7224 stats.hint = cpstats->move_name;
7225 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7226 stats.an_move_count = cpstats->nr_moves;
7229 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
7231 SetProgramStats( &stats );
7235 ClearEngineOutputPane(int which)
7237 static FrontEndProgramStats dummyStats;
7238 dummyStats.which = which;
7239 dummyStats.pv = "#";
7240 SetProgramStats( &dummyStats );
7243 #define MAXPLAYERS 500
7246 TourneyStandings(int display)
7248 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7249 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7250 char result, *p, *names[MAXPLAYERS];
7252 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7253 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7254 names[0] = p = strdup(appData.participants);
7255 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7257 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7259 while(result = appData.results[nr]) {
7260 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7261 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7262 wScore = bScore = 0;
7264 case '+': wScore = 2; break;
7265 case '-': bScore = 2; break;
7266 case '=': wScore = bScore = 1; break;
7268 case '*': return strdup("busy"); // tourney not finished
7276 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7277 for(w=0; w<nPlayers; w++) {
7279 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7280 ranking[w] = b; points[w] = bScore; score[b] = -2;
7282 p = malloc(nPlayers*34+1);
7283 for(w=0; w<nPlayers && w<display; w++)
7284 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7290 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7291 { // count all piece types
7293 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7294 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7295 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7298 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7299 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7300 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7301 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7302 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7303 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7308 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7310 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7311 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7313 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7314 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7315 if(myPawns == 2 && nMine == 3) // KPP
7316 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7317 if(myPawns == 1 && nMine == 2) // KP
7318 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7319 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7320 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7321 if(myPawns) return FALSE;
7322 if(pCnt[WhiteRook+side])
7323 return pCnt[BlackRook-side] ||
7324 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7325 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7326 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7327 if(pCnt[WhiteCannon+side]) {
7328 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7329 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7331 if(pCnt[WhiteKnight+side])
7332 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7337 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7339 VariantClass v = gameInfo.variant;
7341 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7342 if(v == VariantShatranj) return TRUE; // always winnable through baring
7343 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7344 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7346 if(v == VariantXiangqi) {
7347 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7349 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7350 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7351 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7352 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7353 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7354 if(stale) // we have at least one last-rank P plus perhaps C
7355 return majors // KPKX
7356 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7358 return pCnt[WhiteFerz+side] // KCAK
7359 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7360 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7361 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7363 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7364 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7366 if(nMine == 1) return FALSE; // bare King
7367 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
7368 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7369 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7370 // by now we have King + 1 piece (or multiple Bishops on the same color)
7371 if(pCnt[WhiteKnight+side])
7372 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7373 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7374 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7376 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7377 if(pCnt[WhiteAlfil+side])
7378 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7379 if(pCnt[WhiteWazir+side])
7380 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7387 CompareWithRights(Board b1, Board b2)
7390 if(!CompareBoards(b1, b2)) return FALSE;
7391 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7392 /* compare castling rights */
7393 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7394 rights++; /* King lost rights, while rook still had them */
7395 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7396 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7397 rights++; /* but at least one rook lost them */
7399 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7401 if( b1[CASTLING][5] != NoRights ) {
7402 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7409 Adjudicate(ChessProgramState *cps)
7410 { // [HGM] some adjudications useful with buggy engines
7411 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7412 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7413 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7414 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7415 int k, count = 0; static int bare = 1;
7416 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7417 Boolean canAdjudicate = !appData.icsActive;
7419 // most tests only when we understand the game, i.e. legality-checking on
7420 if( appData.testLegality )
7421 { /* [HGM] Some more adjudications for obstinate engines */
7422 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7423 static int moveCount = 6;
7425 char *reason = NULL;
7427 /* Count what is on board. */
7428 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7430 /* Some material-based adjudications that have to be made before stalemate test */
7431 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7432 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7433 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7434 if(canAdjudicate && appData.checkMates) {
7436 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7437 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7438 "Xboard adjudication: King destroyed", GE_XBOARD );
7443 /* Bare King in Shatranj (loses) or Losers (wins) */
7444 if( nrW == 1 || nrB == 1) {
7445 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7446 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7447 if(canAdjudicate && appData.checkMates) {
7449 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7450 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7451 "Xboard adjudication: Bare king", GE_XBOARD );
7455 if( gameInfo.variant == VariantShatranj && --bare < 0)
7457 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7458 if(canAdjudicate && appData.checkMates) {
7459 /* but only adjudicate if adjudication enabled */
7461 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7462 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7463 "Xboard adjudication: Bare king", GE_XBOARD );
7470 // don't wait for engine to announce game end if we can judge ourselves
7471 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7473 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7474 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7475 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7476 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7479 reason = "Xboard adjudication: 3rd check";
7480 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7490 reason = "Xboard adjudication: Stalemate";
7491 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7492 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7493 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7494 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7495 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7496 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7497 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7498 EP_CHECKMATE : EP_WINS);
7499 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7500 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7504 reason = "Xboard adjudication: Checkmate";
7505 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7509 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7511 result = GameIsDrawn; break;
7513 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7515 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7519 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7521 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7522 GameEnds( result, reason, GE_XBOARD );
7526 /* Next absolutely insufficient mating material. */
7527 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7528 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7529 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7531 /* always flag draws, for judging claims */
7532 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7534 if(canAdjudicate && appData.materialDraws) {
7535 /* but only adjudicate them if adjudication enabled */
7536 if(engineOpponent) {
7537 SendToProgram("force\n", engineOpponent); // suppress reply
7538 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7540 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7545 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7546 if(gameInfo.variant == VariantXiangqi ?
7547 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7549 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7550 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7551 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7552 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7554 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7555 { /* if the first 3 moves do not show a tactical win, declare draw */
7556 if(engineOpponent) {
7557 SendToProgram("force\n", engineOpponent); // suppress reply
7558 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7560 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7563 } else moveCount = 6;
7565 if (appData.debugMode) { int i;
7566 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7567 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7568 appData.drawRepeats);
7569 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7570 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7574 // Repetition draws and 50-move rule can be applied independently of legality testing
7576 /* Check for rep-draws */
7578 for(k = forwardMostMove-2;
7579 k>=backwardMostMove && k>=forwardMostMove-100 &&
7580 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7581 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7584 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7585 /* compare castling rights */
7586 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7587 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7588 rights++; /* King lost rights, while rook still had them */
7589 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7590 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7591 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7592 rights++; /* but at least one rook lost them */
7594 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7595 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7597 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7598 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7599 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7602 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7603 && appData.drawRepeats > 1) {
7604 /* adjudicate after user-specified nr of repeats */
7605 int result = GameIsDrawn;
7606 char *details = "XBoard adjudication: repetition draw";
7607 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7608 // [HGM] xiangqi: check for forbidden perpetuals
7609 int m, ourPerpetual = 1, hisPerpetual = 1;
7610 for(m=forwardMostMove; m>k; m-=2) {
7611 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7612 ourPerpetual = 0; // the current mover did not always check
7613 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7614 hisPerpetual = 0; // the opponent did not always check
7616 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7617 ourPerpetual, hisPerpetual);
7618 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7619 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7620 details = "Xboard adjudication: perpetual checking";
7622 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7623 break; // (or we would have caught him before). Abort repetition-checking loop.
7625 // Now check for perpetual chases
7626 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7627 hisPerpetual = PerpetualChase(k, forwardMostMove);
7628 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7629 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7630 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7631 details = "Xboard adjudication: perpetual chasing";
7633 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7634 break; // Abort repetition-checking loop.
7636 // if neither of us is checking or chasing all the time, or both are, it is draw
7638 if(engineOpponent) {
7639 SendToProgram("force\n", engineOpponent); // suppress reply
7640 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7642 GameEnds( result, details, GE_XBOARD );
7645 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7646 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7650 /* Now we test for 50-move draws. Determine ply count */
7651 count = forwardMostMove;
7652 /* look for last irreversble move */
7653 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7655 /* if we hit starting position, add initial plies */
7656 if( count == backwardMostMove )
7657 count -= initialRulePlies;
7658 count = forwardMostMove - count;
7659 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7660 // adjust reversible move counter for checks in Xiangqi
7661 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7662 if(i < backwardMostMove) i = backwardMostMove;
7663 while(i <= forwardMostMove) {
7664 lastCheck = inCheck; // check evasion does not count
7665 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7666 if(inCheck || lastCheck) count--; // check does not count
7671 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7672 /* this is used to judge if draw claims are legal */
7673 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7674 if(engineOpponent) {
7675 SendToProgram("force\n", engineOpponent); // suppress reply
7676 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7678 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7682 /* if draw offer is pending, treat it as a draw claim
7683 * when draw condition present, to allow engines a way to
7684 * claim draws before making their move to avoid a race
7685 * condition occurring after their move
7687 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7689 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7690 p = "Draw claim: 50-move rule";
7691 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7692 p = "Draw claim: 3-fold repetition";
7693 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7694 p = "Draw claim: insufficient mating material";
7695 if( p != NULL && canAdjudicate) {
7696 if(engineOpponent) {
7697 SendToProgram("force\n", engineOpponent); // suppress reply
7698 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7700 GameEnds( GameIsDrawn, p, GE_XBOARD );
7705 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7706 if(engineOpponent) {
7707 SendToProgram("force\n", engineOpponent); // suppress reply
7708 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7710 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7716 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7717 { // [HGM] book: this routine intercepts moves to simulate book replies
7718 char *bookHit = NULL;
7720 //first determine if the incoming move brings opponent into his book
7721 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7722 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7723 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7724 if(bookHit != NULL && !cps->bookSuspend) {
7725 // make sure opponent is not going to reply after receiving move to book position
7726 SendToProgram("force\n", cps);
7727 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7729 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7730 // now arrange restart after book miss
7732 // after a book hit we never send 'go', and the code after the call to this routine
7733 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7734 char buf[MSG_SIZ], *move = bookHit;
7736 int fromX, fromY, toX, toY;
7740 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7741 &fromX, &fromY, &toX, &toY, &promoChar)) {
7742 (void) CoordsToAlgebraic(boards[forwardMostMove],
7743 PosFlags(forwardMostMove),
7744 fromY, fromX, toY, toX, promoChar, move);
7746 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7750 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7751 SendToProgram(buf, cps);
7752 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7753 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7754 SendToProgram("go\n", cps);
7755 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7756 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7757 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7758 SendToProgram("go\n", cps);
7759 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7761 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7765 ChessProgramState *savedState;
7766 void DeferredBookMove(void)
7768 if(savedState->lastPing != savedState->lastPong)
7769 ScheduleDelayedEvent(DeferredBookMove, 10);
7771 HandleMachineMove(savedMessage, savedState);
7774 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7777 HandleMachineMove(message, cps)
7779 ChessProgramState *cps;
7781 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7782 char realname[MSG_SIZ];
7783 int fromX, fromY, toX, toY;
7790 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7791 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7792 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7793 DisplayError(_("Invalid pairing from pairing engine"), 0);
7796 pairingReceived = 1;
7798 return; // Skim the pairing messages here.
7803 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7805 * Kludge to ignore BEL characters
7807 while (*message == '\007') message++;
7810 * [HGM] engine debug message: ignore lines starting with '#' character
7812 if(cps->debug && *message == '#') return;
7815 * Look for book output
7817 if (cps == &first && bookRequested) {
7818 if (message[0] == '\t' || message[0] == ' ') {
7819 /* Part of the book output is here; append it */
7820 strcat(bookOutput, message);
7821 strcat(bookOutput, " \n");
7823 } else if (bookOutput[0] != NULLCHAR) {
7824 /* All of book output has arrived; display it */
7825 char *p = bookOutput;
7826 while (*p != NULLCHAR) {
7827 if (*p == '\t') *p = ' ';
7830 DisplayInformation(bookOutput);
7831 bookRequested = FALSE;
7832 /* Fall through to parse the current output */
7837 * Look for machine move.
7839 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7840 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7842 /* This method is only useful on engines that support ping */
7843 if (cps->lastPing != cps->lastPong) {
7844 if (gameMode == BeginningOfGame) {
7845 /* Extra move from before last new; ignore */
7846 if (appData.debugMode) {
7847 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7850 if (appData.debugMode) {
7851 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7852 cps->which, gameMode);
7855 SendToProgram("undo\n", cps);
7861 case BeginningOfGame:
7862 /* Extra move from before last reset; ignore */
7863 if (appData.debugMode) {
7864 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7871 /* Extra move after we tried to stop. The mode test is
7872 not a reliable way of detecting this problem, but it's
7873 the best we can do on engines that don't support ping.
7875 if (appData.debugMode) {
7876 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7877 cps->which, gameMode);
7879 SendToProgram("undo\n", cps);
7882 case MachinePlaysWhite:
7883 case IcsPlayingWhite:
7884 machineWhite = TRUE;
7887 case MachinePlaysBlack:
7888 case IcsPlayingBlack:
7889 machineWhite = FALSE;
7892 case TwoMachinesPlay:
7893 machineWhite = (cps->twoMachinesColor[0] == 'w');
7896 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7897 if (appData.debugMode) {
7899 "Ignoring move out of turn by %s, gameMode %d"
7900 ", forwardMost %d\n",
7901 cps->which, gameMode, forwardMostMove);
7906 if (appData.debugMode) { int f = forwardMostMove;
7907 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7908 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7909 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7911 if(cps->alphaRank) AlphaRank(machineMove, 4);
7912 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7913 &fromX, &fromY, &toX, &toY, &promoChar)) {
7914 /* Machine move could not be parsed; ignore it. */
7915 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7916 machineMove, _(cps->which));
7917 DisplayError(buf1, 0);
7918 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7919 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7920 if (gameMode == TwoMachinesPlay) {
7921 GameEnds(machineWhite ? BlackWins : WhiteWins,
7927 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7928 /* So we have to redo legality test with true e.p. status here, */
7929 /* to make sure an illegal e.p. capture does not slip through, */
7930 /* to cause a forfeit on a justified illegal-move complaint */
7931 /* of the opponent. */
7932 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7934 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7935 fromY, fromX, toY, toX, promoChar);
7936 if (appData.debugMode) {
7938 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7939 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7940 fprintf(debugFP, "castling rights\n");
7942 if(moveType == IllegalMove) {
7943 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7944 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7945 GameEnds(machineWhite ? BlackWins : WhiteWins,
7948 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7949 /* [HGM] Kludge to handle engines that send FRC-style castling
7950 when they shouldn't (like TSCP-Gothic) */
7952 case WhiteASideCastleFR:
7953 case BlackASideCastleFR:
7955 currentMoveString[2]++;
7957 case WhiteHSideCastleFR:
7958 case BlackHSideCastleFR:
7960 currentMoveString[2]--;
7962 default: ; // nothing to do, but suppresses warning of pedantic compilers
7965 hintRequested = FALSE;
7966 lastHint[0] = NULLCHAR;
7967 bookRequested = FALSE;
7968 /* Program may be pondering now */
7969 cps->maybeThinking = TRUE;
7970 if (cps->sendTime == 2) cps->sendTime = 1;
7971 if (cps->offeredDraw) cps->offeredDraw--;
7973 /* [AS] Save move info*/
7974 pvInfoList[ forwardMostMove ].score = programStats.score;
7975 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7976 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7978 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7980 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7981 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7984 while( count < adjudicateLossPlies ) {
7985 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7988 score = -score; /* Flip score for winning side */
7991 if( score > adjudicateLossThreshold ) {
7998 if( count >= adjudicateLossPlies ) {
7999 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8001 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8002 "Xboard adjudication",
8009 if(Adjudicate(cps)) {
8010 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8011 return; // [HGM] adjudicate: for all automatic game ends
8015 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8017 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8018 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8020 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8022 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8024 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8025 char buf[3*MSG_SIZ];
8027 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8028 programStats.score / 100.,
8030 programStats.time / 100.,
8031 (unsigned int)programStats.nodes,
8032 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8033 programStats.movelist);
8035 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8040 /* [AS] Clear stats for next move */
8041 ClearProgramStats();
8042 thinkOutput[0] = NULLCHAR;
8043 hiddenThinkOutputState = 0;
8046 if (gameMode == TwoMachinesPlay) {
8047 /* [HGM] relaying draw offers moved to after reception of move */
8048 /* and interpreting offer as claim if it brings draw condition */
8049 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8050 SendToProgram("draw\n", cps->other);
8052 if (cps->other->sendTime) {
8053 SendTimeRemaining(cps->other,
8054 cps->other->twoMachinesColor[0] == 'w');
8056 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8057 if (firstMove && !bookHit) {
8059 if (cps->other->useColors) {
8060 SendToProgram(cps->other->twoMachinesColor, cps->other);
8062 SendToProgram("go\n", cps->other);
8064 cps->other->maybeThinking = TRUE;
8067 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8069 if (!pausing && appData.ringBellAfterMoves) {
8074 * Reenable menu items that were disabled while
8075 * machine was thinking
8077 if (gameMode != TwoMachinesPlay)
8078 SetUserThinkingEnables();
8080 // [HGM] book: after book hit opponent has received move and is now in force mode
8081 // force the book reply into it, and then fake that it outputted this move by jumping
8082 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8084 static char bookMove[MSG_SIZ]; // a bit generous?
8086 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8087 strcat(bookMove, bookHit);
8090 programStats.nodes = programStats.depth = programStats.time =
8091 programStats.score = programStats.got_only_move = 0;
8092 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8094 if(cps->lastPing != cps->lastPong) {
8095 savedMessage = message; // args for deferred call
8097 ScheduleDelayedEvent(DeferredBookMove, 10);
8106 /* Set special modes for chess engines. Later something general
8107 * could be added here; for now there is just one kludge feature,
8108 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8109 * when "xboard" is given as an interactive command.
8111 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8112 cps->useSigint = FALSE;
8113 cps->useSigterm = FALSE;
8115 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8116 ParseFeatures(message+8, cps);
8117 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8120 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8121 int dummy, s=6; char buf[MSG_SIZ];
8122 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8123 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8124 ParseFEN(boards[0], &dummy, message+s);
8125 DrawPosition(TRUE, boards[0]);
8126 startedFromSetupPosition = TRUE;
8129 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8130 * want this, I was asked to put it in, and obliged.
8132 if (!strncmp(message, "setboard ", 9)) {
8133 Board initial_position;
8135 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8137 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8138 DisplayError(_("Bad FEN received from engine"), 0);
8142 CopyBoard(boards[0], initial_position);
8143 initialRulePlies = FENrulePlies;
8144 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8145 else gameMode = MachinePlaysBlack;
8146 DrawPosition(FALSE, boards[currentMove]);
8152 * Look for communication commands
8154 if (!strncmp(message, "telluser ", 9)) {
8155 if(message[9] == '\\' && message[10] == '\\')
8156 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8158 DisplayNote(message + 9);
8161 if (!strncmp(message, "tellusererror ", 14)) {
8163 if(message[14] == '\\' && message[15] == '\\')
8164 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8166 DisplayError(message + 14, 0);
8169 if (!strncmp(message, "tellopponent ", 13)) {
8170 if (appData.icsActive) {
8172 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8176 DisplayNote(message + 13);
8180 if (!strncmp(message, "tellothers ", 11)) {
8181 if (appData.icsActive) {
8183 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8189 if (!strncmp(message, "tellall ", 8)) {
8190 if (appData.icsActive) {
8192 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8196 DisplayNote(message + 8);
8200 if (strncmp(message, "warning", 7) == 0) {
8201 /* Undocumented feature, use tellusererror in new code */
8202 DisplayError(message, 0);
8205 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8206 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8207 strcat(realname, " query");
8208 AskQuestion(realname, buf2, buf1, cps->pr);
8211 /* Commands from the engine directly to ICS. We don't allow these to be
8212 * sent until we are logged on. Crafty kibitzes have been known to
8213 * interfere with the login process.
8216 if (!strncmp(message, "tellics ", 8)) {
8217 SendToICS(message + 8);
8221 if (!strncmp(message, "tellicsnoalias ", 15)) {
8222 SendToICS(ics_prefix);
8223 SendToICS(message + 15);
8227 /* The following are for backward compatibility only */
8228 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8229 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8230 SendToICS(ics_prefix);
8236 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8240 * If the move is illegal, cancel it and redraw the board.
8241 * Also deal with other error cases. Matching is rather loose
8242 * here to accommodate engines written before the spec.
8244 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8245 strncmp(message, "Error", 5) == 0) {
8246 if (StrStr(message, "name") ||
8247 StrStr(message, "rating") || StrStr(message, "?") ||
8248 StrStr(message, "result") || StrStr(message, "board") ||
8249 StrStr(message, "bk") || StrStr(message, "computer") ||
8250 StrStr(message, "variant") || StrStr(message, "hint") ||
8251 StrStr(message, "random") || StrStr(message, "depth") ||
8252 StrStr(message, "accepted")) {
8255 if (StrStr(message, "protover")) {
8256 /* Program is responding to input, so it's apparently done
8257 initializing, and this error message indicates it is
8258 protocol version 1. So we don't need to wait any longer
8259 for it to initialize and send feature commands. */
8260 FeatureDone(cps, 1);
8261 cps->protocolVersion = 1;
8264 cps->maybeThinking = FALSE;
8266 if (StrStr(message, "draw")) {
8267 /* Program doesn't have "draw" command */
8268 cps->sendDrawOffers = 0;
8271 if (cps->sendTime != 1 &&
8272 (StrStr(message, "time") || StrStr(message, "otim"))) {
8273 /* Program apparently doesn't have "time" or "otim" command */
8277 if (StrStr(message, "analyze")) {
8278 cps->analysisSupport = FALSE;
8279 cps->analyzing = FALSE;
8280 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8281 EditGameEvent(); // [HGM] try to preserve loaded game
8282 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8283 DisplayError(buf2, 0);
8286 if (StrStr(message, "(no matching move)st")) {
8287 /* Special kludge for GNU Chess 4 only */
8288 cps->stKludge = TRUE;
8289 SendTimeControl(cps, movesPerSession, timeControl,
8290 timeIncrement, appData.searchDepth,
8294 if (StrStr(message, "(no matching move)sd")) {
8295 /* Special kludge for GNU Chess 4 only */
8296 cps->sdKludge = TRUE;
8297 SendTimeControl(cps, movesPerSession, timeControl,
8298 timeIncrement, appData.searchDepth,
8302 if (!StrStr(message, "llegal")) {
8305 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8306 gameMode == IcsIdle) return;
8307 if (forwardMostMove <= backwardMostMove) return;
8308 if (pausing) PauseEvent();
8309 if(appData.forceIllegal) {
8310 // [HGM] illegal: machine refused move; force position after move into it
8311 SendToProgram("force\n", cps);
8312 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8313 // we have a real problem now, as SendBoard will use the a2a3 kludge
8314 // when black is to move, while there might be nothing on a2 or black
8315 // might already have the move. So send the board as if white has the move.
8316 // But first we must change the stm of the engine, as it refused the last move
8317 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8318 if(WhiteOnMove(forwardMostMove)) {
8319 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8320 SendBoard(cps, forwardMostMove); // kludgeless board
8322 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8323 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8324 SendBoard(cps, forwardMostMove+1); // kludgeless board
8326 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8327 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8328 gameMode == TwoMachinesPlay)
8329 SendToProgram("go\n", cps);
8332 if (gameMode == PlayFromGameFile) {
8333 /* Stop reading this game file */
8334 gameMode = EditGame;
8337 /* [HGM] illegal-move claim should forfeit game when Xboard */
8338 /* only passes fully legal moves */
8339 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8340 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8341 "False illegal-move claim", GE_XBOARD );
8342 return; // do not take back move we tested as valid
8344 currentMove = forwardMostMove-1;
8345 DisplayMove(currentMove-1); /* before DisplayMoveError */
8346 SwitchClocks(forwardMostMove-1); // [HGM] race
8347 DisplayBothClocks();
8348 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8349 parseList[currentMove], _(cps->which));
8350 DisplayMoveError(buf1);
8351 DrawPosition(FALSE, boards[currentMove]);
8354 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8355 /* Program has a broken "time" command that
8356 outputs a string not ending in newline.
8362 * If chess program startup fails, exit with an error message.
8363 * Attempts to recover here are futile.
8365 if ((StrStr(message, "unknown host") != NULL)
8366 || (StrStr(message, "No remote directory") != NULL)
8367 || (StrStr(message, "not found") != NULL)
8368 || (StrStr(message, "No such file") != NULL)
8369 || (StrStr(message, "can't alloc") != NULL)
8370 || (StrStr(message, "Permission denied") != NULL)) {
8372 cps->maybeThinking = FALSE;
8373 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8374 _(cps->which), cps->program, cps->host, message);
8375 RemoveInputSource(cps->isr);
8376 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8377 if(cps == &first) appData.noChessProgram = TRUE;
8378 DisplayError(buf1, 0);
8384 * Look for hint output
8386 if (sscanf(message, "Hint: %s", buf1) == 1) {
8387 if (cps == &first && hintRequested) {
8388 hintRequested = FALSE;
8389 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8390 &fromX, &fromY, &toX, &toY, &promoChar)) {
8391 (void) CoordsToAlgebraic(boards[forwardMostMove],
8392 PosFlags(forwardMostMove),
8393 fromY, fromX, toY, toX, promoChar, buf1);
8394 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8395 DisplayInformation(buf2);
8397 /* Hint move could not be parsed!? */
8398 snprintf(buf2, sizeof(buf2),
8399 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8400 buf1, _(cps->which));
8401 DisplayError(buf2, 0);
8404 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8410 * Ignore other messages if game is not in progress
8412 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8413 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8416 * look for win, lose, draw, or draw offer
8418 if (strncmp(message, "1-0", 3) == 0) {
8419 char *p, *q, *r = "";
8420 p = strchr(message, '{');
8428 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8430 } else if (strncmp(message, "0-1", 3) == 0) {
8431 char *p, *q, *r = "";
8432 p = strchr(message, '{');
8440 /* Kludge for Arasan 4.1 bug */
8441 if (strcmp(r, "Black resigns") == 0) {
8442 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8445 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8447 } else if (strncmp(message, "1/2", 3) == 0) {
8448 char *p, *q, *r = "";
8449 p = strchr(message, '{');
8458 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8461 } else if (strncmp(message, "White resign", 12) == 0) {
8462 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8464 } else if (strncmp(message, "Black resign", 12) == 0) {
8465 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8467 } else if (strncmp(message, "White matches", 13) == 0 ||
8468 strncmp(message, "Black matches", 13) == 0 ) {
8469 /* [HGM] ignore GNUShogi noises */
8471 } else if (strncmp(message, "White", 5) == 0 &&
8472 message[5] != '(' &&
8473 StrStr(message, "Black") == NULL) {
8474 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8476 } else if (strncmp(message, "Black", 5) == 0 &&
8477 message[5] != '(') {
8478 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8480 } else if (strcmp(message, "resign") == 0 ||
8481 strcmp(message, "computer resigns") == 0) {
8483 case MachinePlaysBlack:
8484 case IcsPlayingBlack:
8485 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8487 case MachinePlaysWhite:
8488 case IcsPlayingWhite:
8489 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8491 case TwoMachinesPlay:
8492 if (cps->twoMachinesColor[0] == 'w')
8493 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8495 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8502 } else if (strncmp(message, "opponent mates", 14) == 0) {
8504 case MachinePlaysBlack:
8505 case IcsPlayingBlack:
8506 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8508 case MachinePlaysWhite:
8509 case IcsPlayingWhite:
8510 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8512 case TwoMachinesPlay:
8513 if (cps->twoMachinesColor[0] == 'w')
8514 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8516 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8523 } else if (strncmp(message, "computer mates", 14) == 0) {
8525 case MachinePlaysBlack:
8526 case IcsPlayingBlack:
8527 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8529 case MachinePlaysWhite:
8530 case IcsPlayingWhite:
8531 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8533 case TwoMachinesPlay:
8534 if (cps->twoMachinesColor[0] == 'w')
8535 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8537 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8544 } else if (strncmp(message, "checkmate", 9) == 0) {
8545 if (WhiteOnMove(forwardMostMove)) {
8546 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8548 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8551 } else if (strstr(message, "Draw") != NULL ||
8552 strstr(message, "game is a draw") != NULL) {
8553 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8555 } else if (strstr(message, "offer") != NULL &&
8556 strstr(message, "draw") != NULL) {
8558 if (appData.zippyPlay && first.initDone) {
8559 /* Relay offer to ICS */
8560 SendToICS(ics_prefix);
8561 SendToICS("draw\n");
8564 cps->offeredDraw = 2; /* valid until this engine moves twice */
8565 if (gameMode == TwoMachinesPlay) {
8566 if (cps->other->offeredDraw) {
8567 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8568 /* [HGM] in two-machine mode we delay relaying draw offer */
8569 /* until after we also have move, to see if it is really claim */
8571 } else if (gameMode == MachinePlaysWhite ||
8572 gameMode == MachinePlaysBlack) {
8573 if (userOfferedDraw) {
8574 DisplayInformation(_("Machine accepts your draw offer"));
8575 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8577 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8584 * Look for thinking output
8586 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8587 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8589 int plylev, mvleft, mvtot, curscore, time;
8590 char mvname[MOVE_LEN];
8594 int prefixHint = FALSE;
8595 mvname[0] = NULLCHAR;
8598 case MachinePlaysBlack:
8599 case IcsPlayingBlack:
8600 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8602 case MachinePlaysWhite:
8603 case IcsPlayingWhite:
8604 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8609 case IcsObserving: /* [DM] icsEngineAnalyze */
8610 if (!appData.icsEngineAnalyze) ignore = TRUE;
8612 case TwoMachinesPlay:
8613 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8623 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8625 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8626 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8628 if (plyext != ' ' && plyext != '\t') {
8632 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8633 if( cps->scoreIsAbsolute &&
8634 ( gameMode == MachinePlaysBlack ||
8635 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8636 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8637 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8638 !WhiteOnMove(currentMove)
8641 curscore = -curscore;
8644 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8646 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8649 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8650 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8651 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8652 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8653 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8654 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8656 } else DisplayError("failed writing PV", 0);
8659 tempStats.depth = plylev;
8660 tempStats.nodes = nodes;
8661 tempStats.time = time;
8662 tempStats.score = curscore;
8663 tempStats.got_only_move = 0;
8665 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8668 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8669 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8670 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8671 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8672 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8673 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8674 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8675 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8678 /* Buffer overflow protection */
8679 if (pv[0] != NULLCHAR) {
8680 if (strlen(pv) >= sizeof(tempStats.movelist)
8681 && appData.debugMode) {
8683 "PV is too long; using the first %u bytes.\n",
8684 (unsigned) sizeof(tempStats.movelist) - 1);
8687 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8689 sprintf(tempStats.movelist, " no PV\n");
8692 if (tempStats.seen_stat) {
8693 tempStats.ok_to_send = 1;
8696 if (strchr(tempStats.movelist, '(') != NULL) {
8697 tempStats.line_is_book = 1;
8698 tempStats.nr_moves = 0;
8699 tempStats.moves_left = 0;
8701 tempStats.line_is_book = 0;
8704 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8705 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8707 SendProgramStatsToFrontend( cps, &tempStats );
8710 [AS] Protect the thinkOutput buffer from overflow... this
8711 is only useful if buf1 hasn't overflowed first!
8713 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8715 (gameMode == TwoMachinesPlay ?
8716 ToUpper(cps->twoMachinesColor[0]) : ' '),
8717 ((double) curscore) / 100.0,
8718 prefixHint ? lastHint : "",
8719 prefixHint ? " " : "" );
8721 if( buf1[0] != NULLCHAR ) {
8722 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8724 if( strlen(pv) > max_len ) {
8725 if( appData.debugMode) {
8726 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8728 pv[max_len+1] = '\0';
8731 strcat( thinkOutput, pv);
8734 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8735 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8736 DisplayMove(currentMove - 1);
8740 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8741 /* crafty (9.25+) says "(only move) <move>"
8742 * if there is only 1 legal move
8744 sscanf(p, "(only move) %s", buf1);
8745 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8746 sprintf(programStats.movelist, "%s (only move)", buf1);
8747 programStats.depth = 1;
8748 programStats.nr_moves = 1;
8749 programStats.moves_left = 1;
8750 programStats.nodes = 1;
8751 programStats.time = 1;
8752 programStats.got_only_move = 1;
8754 /* Not really, but we also use this member to
8755 mean "line isn't going to change" (Crafty
8756 isn't searching, so stats won't change) */
8757 programStats.line_is_book = 1;
8759 SendProgramStatsToFrontend( cps, &programStats );
8761 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8762 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8763 DisplayMove(currentMove - 1);
8766 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8767 &time, &nodes, &plylev, &mvleft,
8768 &mvtot, mvname) >= 5) {
8769 /* The stat01: line is from Crafty (9.29+) in response
8770 to the "." command */
8771 programStats.seen_stat = 1;
8772 cps->maybeThinking = TRUE;
8774 if (programStats.got_only_move || !appData.periodicUpdates)
8777 programStats.depth = plylev;
8778 programStats.time = time;
8779 programStats.nodes = nodes;
8780 programStats.moves_left = mvleft;
8781 programStats.nr_moves = mvtot;
8782 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8783 programStats.ok_to_send = 1;
8784 programStats.movelist[0] = '\0';
8786 SendProgramStatsToFrontend( cps, &programStats );
8790 } else if (strncmp(message,"++",2) == 0) {
8791 /* Crafty 9.29+ outputs this */
8792 programStats.got_fail = 2;
8795 } else if (strncmp(message,"--",2) == 0) {
8796 /* Crafty 9.29+ outputs this */
8797 programStats.got_fail = 1;
8800 } else if (thinkOutput[0] != NULLCHAR &&
8801 strncmp(message, " ", 4) == 0) {
8802 unsigned message_len;
8805 while (*p && *p == ' ') p++;
8807 message_len = strlen( p );
8809 /* [AS] Avoid buffer overflow */
8810 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8811 strcat(thinkOutput, " ");
8812 strcat(thinkOutput, p);
8815 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8816 strcat(programStats.movelist, " ");
8817 strcat(programStats.movelist, p);
8820 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8821 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8822 DisplayMove(currentMove - 1);
8830 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8831 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8833 ChessProgramStats cpstats;
8835 if (plyext != ' ' && plyext != '\t') {
8839 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8840 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8841 curscore = -curscore;
8844 cpstats.depth = plylev;
8845 cpstats.nodes = nodes;
8846 cpstats.time = time;
8847 cpstats.score = curscore;
8848 cpstats.got_only_move = 0;
8849 cpstats.movelist[0] = '\0';
8851 if (buf1[0] != NULLCHAR) {
8852 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8855 cpstats.ok_to_send = 0;
8856 cpstats.line_is_book = 0;
8857 cpstats.nr_moves = 0;
8858 cpstats.moves_left = 0;
8860 SendProgramStatsToFrontend( cps, &cpstats );
8867 /* Parse a game score from the character string "game", and
8868 record it as the history of the current game. The game
8869 score is NOT assumed to start from the standard position.
8870 The display is not updated in any way.
8873 ParseGameHistory(game)
8877 int fromX, fromY, toX, toY, boardIndex;
8882 if (appData.debugMode)
8883 fprintf(debugFP, "Parsing game history: %s\n", game);
8885 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8886 gameInfo.site = StrSave(appData.icsHost);
8887 gameInfo.date = PGNDate();
8888 gameInfo.round = StrSave("-");
8890 /* Parse out names of players */
8891 while (*game == ' ') game++;
8893 while (*game != ' ') *p++ = *game++;
8895 gameInfo.white = StrSave(buf);
8896 while (*game == ' ') game++;
8898 while (*game != ' ' && *game != '\n') *p++ = *game++;
8900 gameInfo.black = StrSave(buf);
8903 boardIndex = blackPlaysFirst ? 1 : 0;
8906 yyboardindex = boardIndex;
8907 moveType = (ChessMove) Myylex();
8909 case IllegalMove: /* maybe suicide chess, etc. */
8910 if (appData.debugMode) {
8911 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8912 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8913 setbuf(debugFP, NULL);
8915 case WhitePromotion:
8916 case BlackPromotion:
8917 case WhiteNonPromotion:
8918 case BlackNonPromotion:
8920 case WhiteCapturesEnPassant:
8921 case BlackCapturesEnPassant:
8922 case WhiteKingSideCastle:
8923 case WhiteQueenSideCastle:
8924 case BlackKingSideCastle:
8925 case BlackQueenSideCastle:
8926 case WhiteKingSideCastleWild:
8927 case WhiteQueenSideCastleWild:
8928 case BlackKingSideCastleWild:
8929 case BlackQueenSideCastleWild:
8931 case WhiteHSideCastleFR:
8932 case WhiteASideCastleFR:
8933 case BlackHSideCastleFR:
8934 case BlackASideCastleFR:
8936 fromX = currentMoveString[0] - AAA;
8937 fromY = currentMoveString[1] - ONE;
8938 toX = currentMoveString[2] - AAA;
8939 toY = currentMoveString[3] - ONE;
8940 promoChar = currentMoveString[4];
8944 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8945 fromX = moveType == WhiteDrop ?
8946 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8947 (int) CharToPiece(ToLower(currentMoveString[0]));
8949 toX = currentMoveString[2] - AAA;
8950 toY = currentMoveString[3] - ONE;
8951 promoChar = NULLCHAR;
8955 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8956 if (appData.debugMode) {
8957 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8958 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8959 setbuf(debugFP, NULL);
8961 DisplayError(buf, 0);
8963 case ImpossibleMove:
8965 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8966 if (appData.debugMode) {
8967 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8968 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8969 setbuf(debugFP, NULL);
8971 DisplayError(buf, 0);
8974 if (boardIndex < backwardMostMove) {
8975 /* Oops, gap. How did that happen? */
8976 DisplayError(_("Gap in move list"), 0);
8979 backwardMostMove = blackPlaysFirst ? 1 : 0;
8980 if (boardIndex > forwardMostMove) {
8981 forwardMostMove = boardIndex;
8985 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8986 strcat(parseList[boardIndex-1], " ");
8987 strcat(parseList[boardIndex-1], yy_text);
8999 case GameUnfinished:
9000 if (gameMode == IcsExamining) {
9001 if (boardIndex < backwardMostMove) {
9002 /* Oops, gap. How did that happen? */
9005 backwardMostMove = blackPlaysFirst ? 1 : 0;
9008 gameInfo.result = moveType;
9009 p = strchr(yy_text, '{');
9010 if (p == NULL) p = strchr(yy_text, '(');
9013 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9015 q = strchr(p, *p == '{' ? '}' : ')');
9016 if (q != NULL) *q = NULLCHAR;
9019 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9020 gameInfo.resultDetails = StrSave(p);
9023 if (boardIndex >= forwardMostMove &&
9024 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9025 backwardMostMove = blackPlaysFirst ? 1 : 0;
9028 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9029 fromY, fromX, toY, toX, promoChar,
9030 parseList[boardIndex]);
9031 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9032 /* currentMoveString is set as a side-effect of yylex */
9033 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9034 strcat(moveList[boardIndex], "\n");
9036 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9037 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9043 if(gameInfo.variant != VariantShogi)
9044 strcat(parseList[boardIndex - 1], "+");
9048 strcat(parseList[boardIndex - 1], "#");
9055 /* Apply a move to the given board */
9057 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9058 int fromX, fromY, toX, toY;
9062 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9063 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9065 /* [HGM] compute & store e.p. status and castling rights for new position */
9066 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9068 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9069 oldEP = (signed char)board[EP_STATUS];
9070 board[EP_STATUS] = EP_NONE;
9072 if (fromY == DROP_RANK) {
9074 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9075 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9078 piece = board[toY][toX] = (ChessSquare) fromX;
9082 if( board[toY][toX] != EmptySquare )
9083 board[EP_STATUS] = EP_CAPTURE;
9085 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9086 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9087 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9089 if( board[fromY][fromX] == WhitePawn ) {
9090 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9091 board[EP_STATUS] = EP_PAWN_MOVE;
9093 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9094 gameInfo.variant != VariantBerolina || toX < fromX)
9095 board[EP_STATUS] = toX | berolina;
9096 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9097 gameInfo.variant != VariantBerolina || toX > fromX)
9098 board[EP_STATUS] = toX;
9101 if( board[fromY][fromX] == BlackPawn ) {
9102 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9103 board[EP_STATUS] = EP_PAWN_MOVE;
9104 if( toY-fromY== -2) {
9105 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9106 gameInfo.variant != VariantBerolina || toX < fromX)
9107 board[EP_STATUS] = toX | berolina;
9108 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9109 gameInfo.variant != VariantBerolina || toX > fromX)
9110 board[EP_STATUS] = toX;
9114 for(i=0; i<nrCastlingRights; i++) {
9115 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9116 board[CASTLING][i] == toX && castlingRank[i] == toY
9117 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9120 if (fromX == toX && fromY == toY) return;
9122 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9123 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9124 if(gameInfo.variant == VariantKnightmate)
9125 king += (int) WhiteUnicorn - (int) WhiteKing;
9127 /* Code added by Tord: */
9128 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9129 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9130 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9131 board[fromY][fromX] = EmptySquare;
9132 board[toY][toX] = EmptySquare;
9133 if((toX > fromX) != (piece == WhiteRook)) {
9134 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9136 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9138 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9139 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9140 board[fromY][fromX] = EmptySquare;
9141 board[toY][toX] = EmptySquare;
9142 if((toX > fromX) != (piece == BlackRook)) {
9143 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9145 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9147 /* End of code added by Tord */
9149 } else if (board[fromY][fromX] == king
9150 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9151 && toY == fromY && toX > fromX+1) {
9152 board[fromY][fromX] = EmptySquare;
9153 board[toY][toX] = king;
9154 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9155 board[fromY][BOARD_RGHT-1] = EmptySquare;
9156 } else if (board[fromY][fromX] == king
9157 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9158 && toY == fromY && toX < fromX-1) {
9159 board[fromY][fromX] = EmptySquare;
9160 board[toY][toX] = king;
9161 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9162 board[fromY][BOARD_LEFT] = EmptySquare;
9163 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9164 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9165 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9167 /* white pawn promotion */
9168 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9169 if(gameInfo.variant==VariantBughouse ||
9170 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9171 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9172 board[fromY][fromX] = EmptySquare;
9173 } else if ((fromY >= BOARD_HEIGHT>>1)
9175 && gameInfo.variant != VariantXiangqi
9176 && gameInfo.variant != VariantBerolina
9177 && (board[fromY][fromX] == WhitePawn)
9178 && (board[toY][toX] == EmptySquare)) {
9179 board[fromY][fromX] = EmptySquare;
9180 board[toY][toX] = WhitePawn;
9181 captured = board[toY - 1][toX];
9182 board[toY - 1][toX] = EmptySquare;
9183 } else if ((fromY == BOARD_HEIGHT-4)
9185 && gameInfo.variant == VariantBerolina
9186 && (board[fromY][fromX] == WhitePawn)
9187 && (board[toY][toX] == EmptySquare)) {
9188 board[fromY][fromX] = EmptySquare;
9189 board[toY][toX] = WhitePawn;
9190 if(oldEP & EP_BEROLIN_A) {
9191 captured = board[fromY][fromX-1];
9192 board[fromY][fromX-1] = EmptySquare;
9193 }else{ captured = board[fromY][fromX+1];
9194 board[fromY][fromX+1] = EmptySquare;
9196 } else if (board[fromY][fromX] == king
9197 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9198 && toY == fromY && toX > fromX+1) {
9199 board[fromY][fromX] = EmptySquare;
9200 board[toY][toX] = king;
9201 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9202 board[fromY][BOARD_RGHT-1] = EmptySquare;
9203 } else if (board[fromY][fromX] == king
9204 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9205 && toY == fromY && toX < fromX-1) {
9206 board[fromY][fromX] = EmptySquare;
9207 board[toY][toX] = king;
9208 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9209 board[fromY][BOARD_LEFT] = EmptySquare;
9210 } else if (fromY == 7 && fromX == 3
9211 && board[fromY][fromX] == BlackKing
9212 && toY == 7 && toX == 5) {
9213 board[fromY][fromX] = EmptySquare;
9214 board[toY][toX] = BlackKing;
9215 board[fromY][7] = EmptySquare;
9216 board[toY][4] = BlackRook;
9217 } else if (fromY == 7 && fromX == 3
9218 && board[fromY][fromX] == BlackKing
9219 && toY == 7 && toX == 1) {
9220 board[fromY][fromX] = EmptySquare;
9221 board[toY][toX] = BlackKing;
9222 board[fromY][0] = EmptySquare;
9223 board[toY][2] = BlackRook;
9224 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9225 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9226 && toY < promoRank && promoChar
9228 /* black pawn promotion */
9229 board[toY][toX] = CharToPiece(ToLower(promoChar));
9230 if(gameInfo.variant==VariantBughouse ||
9231 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9232 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9233 board[fromY][fromX] = EmptySquare;
9234 } else if ((fromY < BOARD_HEIGHT>>1)
9236 && gameInfo.variant != VariantXiangqi
9237 && gameInfo.variant != VariantBerolina
9238 && (board[fromY][fromX] == BlackPawn)
9239 && (board[toY][toX] == EmptySquare)) {
9240 board[fromY][fromX] = EmptySquare;
9241 board[toY][toX] = BlackPawn;
9242 captured = board[toY + 1][toX];
9243 board[toY + 1][toX] = EmptySquare;
9244 } else if ((fromY == 3)
9246 && gameInfo.variant == VariantBerolina
9247 && (board[fromY][fromX] == BlackPawn)
9248 && (board[toY][toX] == EmptySquare)) {
9249 board[fromY][fromX] = EmptySquare;
9250 board[toY][toX] = BlackPawn;
9251 if(oldEP & EP_BEROLIN_A) {
9252 captured = board[fromY][fromX-1];
9253 board[fromY][fromX-1] = EmptySquare;
9254 }else{ captured = board[fromY][fromX+1];
9255 board[fromY][fromX+1] = EmptySquare;
9258 board[toY][toX] = board[fromY][fromX];
9259 board[fromY][fromX] = EmptySquare;
9263 if (gameInfo.holdingsWidth != 0) {
9265 /* !!A lot more code needs to be written to support holdings */
9266 /* [HGM] OK, so I have written it. Holdings are stored in the */
9267 /* penultimate board files, so they are automaticlly stored */
9268 /* in the game history. */
9269 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9270 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9271 /* Delete from holdings, by decreasing count */
9272 /* and erasing image if necessary */
9273 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9274 if(p < (int) BlackPawn) { /* white drop */
9275 p -= (int)WhitePawn;
9276 p = PieceToNumber((ChessSquare)p);
9277 if(p >= gameInfo.holdingsSize) p = 0;
9278 if(--board[p][BOARD_WIDTH-2] <= 0)
9279 board[p][BOARD_WIDTH-1] = EmptySquare;
9280 if((int)board[p][BOARD_WIDTH-2] < 0)
9281 board[p][BOARD_WIDTH-2] = 0;
9282 } else { /* black drop */
9283 p -= (int)BlackPawn;
9284 p = PieceToNumber((ChessSquare)p);
9285 if(p >= gameInfo.holdingsSize) p = 0;
9286 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9287 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9288 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9289 board[BOARD_HEIGHT-1-p][1] = 0;
9292 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9293 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9294 /* [HGM] holdings: Add to holdings, if holdings exist */
9295 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9296 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9297 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9300 if (p >= (int) BlackPawn) {
9301 p -= (int)BlackPawn;
9302 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9303 /* in Shogi restore piece to its original first */
9304 captured = (ChessSquare) (DEMOTED captured);
9307 p = PieceToNumber((ChessSquare)p);
9308 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9309 board[p][BOARD_WIDTH-2]++;
9310 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9312 p -= (int)WhitePawn;
9313 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9314 captured = (ChessSquare) (DEMOTED captured);
9317 p = PieceToNumber((ChessSquare)p);
9318 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9319 board[BOARD_HEIGHT-1-p][1]++;
9320 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9323 } else if (gameInfo.variant == VariantAtomic) {
9324 if (captured != EmptySquare) {
9326 for (y = toY-1; y <= toY+1; y++) {
9327 for (x = toX-1; x <= toX+1; x++) {
9328 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9329 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9330 board[y][x] = EmptySquare;
9334 board[toY][toX] = EmptySquare;
9337 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9338 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9340 if(promoChar == '+') {
9341 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9342 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9343 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9344 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9346 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9347 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9348 // [HGM] superchess: take promotion piece out of holdings
9349 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9350 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9351 if(!--board[k][BOARD_WIDTH-2])
9352 board[k][BOARD_WIDTH-1] = EmptySquare;
9354 if(!--board[BOARD_HEIGHT-1-k][1])
9355 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9361 /* Updates forwardMostMove */
9363 MakeMove(fromX, fromY, toX, toY, promoChar)
9364 int fromX, fromY, toX, toY;
9367 // forwardMostMove++; // [HGM] bare: moved downstream
9369 (void) CoordsToAlgebraic(boards[forwardMostMove],
9370 PosFlags(forwardMostMove),
9371 fromY, fromX, toY, toX, promoChar,
9372 parseList[forwardMostMove]);
9374 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9375 int timeLeft; static int lastLoadFlag=0; int king, piece;
9376 piece = boards[forwardMostMove][fromY][fromX];
9377 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9378 if(gameInfo.variant == VariantKnightmate)
9379 king += (int) WhiteUnicorn - (int) WhiteKing;
9380 if(forwardMostMove == 0) {
9381 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9382 fprintf(serverMoves, "%s;", UserName());
9383 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9384 fprintf(serverMoves, "%s;", second.tidy);
9385 fprintf(serverMoves, "%s;", first.tidy);
9386 if(gameMode == MachinePlaysWhite)
9387 fprintf(serverMoves, "%s;", UserName());
9388 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9389 fprintf(serverMoves, "%s;", second.tidy);
9390 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9391 lastLoadFlag = loadFlag;
9393 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9394 // print castling suffix
9395 if( toY == fromY && piece == king ) {
9397 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9399 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9402 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9403 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9404 boards[forwardMostMove][toY][toX] == EmptySquare
9405 && fromX != toX && fromY != toY)
9406 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9408 if(promoChar != NULLCHAR)
9409 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9411 char buf[MOVE_LEN*2], *p; int len;
9412 fprintf(serverMoves, "/%d/%d",
9413 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9414 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9415 else timeLeft = blackTimeRemaining/1000;
9416 fprintf(serverMoves, "/%d", timeLeft);
9417 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9418 if(p = strchr(buf, '=')) *p = NULLCHAR;
9419 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9420 fprintf(serverMoves, "/%s", buf);
9422 fflush(serverMoves);
9425 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9426 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9429 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9430 if (commentList[forwardMostMove+1] != NULL) {
9431 free(commentList[forwardMostMove+1]);
9432 commentList[forwardMostMove+1] = NULL;
9434 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9435 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9436 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9437 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9438 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9439 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9440 gameInfo.result = GameUnfinished;
9441 if (gameInfo.resultDetails != NULL) {
9442 free(gameInfo.resultDetails);
9443 gameInfo.resultDetails = NULL;
9445 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9446 moveList[forwardMostMove - 1]);
9447 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9453 if(gameInfo.variant != VariantShogi)
9454 strcat(parseList[forwardMostMove - 1], "+");
9458 strcat(parseList[forwardMostMove - 1], "#");
9461 if (appData.debugMode) {
9462 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9467 /* Updates currentMove if not pausing */
9469 ShowMove(fromX, fromY, toX, toY)
9471 int instant = (gameMode == PlayFromGameFile) ?
9472 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9473 if(appData.noGUI) return;
9474 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9476 if (forwardMostMove == currentMove + 1) {
9477 AnimateMove(boards[forwardMostMove - 1],
9478 fromX, fromY, toX, toY);
9480 if (appData.highlightLastMove) {
9481 SetHighlights(fromX, fromY, toX, toY);
9484 currentMove = forwardMostMove;
9487 if (instant) return;
9489 DisplayMove(currentMove - 1);
9490 DrawPosition(FALSE, boards[currentMove]);
9491 DisplayBothClocks();
9492 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
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; appData.pvSAN[0] = FALSE;
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 && !appData.noChessProgram) {
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 CopyBoard(boards[0], initial_position);
11881 if (blackPlaysFirst) {
11882 currentMove = forwardMostMove = backwardMostMove = 1;
11883 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11884 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11885 CopyBoard(boards[1], initial_position);
11886 DisplayMessage("", _("Black to play"));
11888 currentMove = forwardMostMove = backwardMostMove = 0;
11889 DisplayMessage("", _("White to play"));
11891 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11892 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
11893 SendToProgram("force\n", &first);
11894 SendBoard(&first, forwardMostMove);
11896 if (appData.debugMode) {
11898 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11899 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11900 fprintf(debugFP, "Load Position\n");
11903 if (positionNumber > 1) {
11904 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11905 DisplayTitle(line);
11907 DisplayTitle(title);
11909 gameMode = EditGame;
11912 timeRemaining[0][1] = whiteTimeRemaining;
11913 timeRemaining[1][1] = blackTimeRemaining;
11914 DrawPosition(FALSE, boards[currentMove]);
11921 CopyPlayerNameIntoFileName(dest, src)
11924 while (*src != NULLCHAR && *src != ',') {
11929 *(*dest)++ = *src++;
11934 char *DefaultFileName(ext)
11937 static char def[MSG_SIZ];
11940 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11942 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11944 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11946 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11953 /* Save the current game to the given file */
11955 SaveGameToFile(filename, append)
11961 int result, i, t,tot=0;
11963 if (strcmp(filename, "-") == 0) {
11964 return SaveGame(stdout, 0, NULL);
11966 for(i=0; i<10; i++) { // upto 10 tries
11967 f = fopen(filename, append ? "a" : "w");
11968 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
11969 if(f || errno != 13) break;
11970 DoSleep(t = 5 + random()%11); // wait 5-15 msec
11974 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11975 DisplayError(buf, errno);
11978 safeStrCpy(buf, lastMsg, MSG_SIZ);
11979 DisplayMessage(_("Waiting for access to save file"), "");
11980 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11981 DisplayMessage(_("Saving game"), "");
11982 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11983 result = SaveGame(f, 0, NULL);
11984 DisplayMessage(buf, "");
11994 static char buf[MSG_SIZ];
11997 p = strchr(str, ' ');
11998 if (p == NULL) return str;
11999 strncpy(buf, str, p - str);
12000 buf[p - str] = NULLCHAR;
12004 #define PGN_MAX_LINE 75
12006 #define PGN_SIDE_WHITE 0
12007 #define PGN_SIDE_BLACK 1
12010 static int FindFirstMoveOutOfBook( int side )
12014 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12015 int index = backwardMostMove;
12016 int has_book_hit = 0;
12018 if( (index % 2) != side ) {
12022 while( index < forwardMostMove ) {
12023 /* Check to see if engine is in book */
12024 int depth = pvInfoList[index].depth;
12025 int score = pvInfoList[index].score;
12031 else if( score == 0 && depth == 63 ) {
12032 in_book = 1; /* Zappa */
12034 else if( score == 2 && depth == 99 ) {
12035 in_book = 1; /* Abrok */
12038 has_book_hit += in_book;
12054 void GetOutOfBookInfo( char * buf )
12058 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12060 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12061 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12065 if( oob[0] >= 0 || oob[1] >= 0 ) {
12066 for( i=0; i<2; i++ ) {
12070 if( i > 0 && oob[0] >= 0 ) {
12071 strcat( buf, " " );
12074 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12075 sprintf( buf+strlen(buf), "%s%.2f",
12076 pvInfoList[idx].score >= 0 ? "+" : "",
12077 pvInfoList[idx].score / 100.0 );
12083 /* Save game in PGN style and close the file */
12088 int i, offset, linelen, newblock;
12092 int movelen, numlen, blank;
12093 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12095 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12097 tm = time((time_t *) NULL);
12099 PrintPGNTags(f, &gameInfo);
12101 if (backwardMostMove > 0 || startedFromSetupPosition) {
12102 char *fen = PositionToFEN(backwardMostMove, NULL);
12103 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12104 fprintf(f, "\n{--------------\n");
12105 PrintPosition(f, backwardMostMove);
12106 fprintf(f, "--------------}\n");
12110 /* [AS] Out of book annotation */
12111 if( appData.saveOutOfBookInfo ) {
12114 GetOutOfBookInfo( buf );
12116 if( buf[0] != '\0' ) {
12117 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12124 i = backwardMostMove;
12128 while (i < forwardMostMove) {
12129 /* Print comments preceding this move */
12130 if (commentList[i] != NULL) {
12131 if (linelen > 0) fprintf(f, "\n");
12132 fprintf(f, "%s", commentList[i]);
12137 /* Format move number */
12139 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12142 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12144 numtext[0] = NULLCHAR;
12146 numlen = strlen(numtext);
12149 /* Print move number */
12150 blank = linelen > 0 && numlen > 0;
12151 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12160 fprintf(f, "%s", numtext);
12164 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12165 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12168 blank = linelen > 0 && movelen > 0;
12169 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12178 fprintf(f, "%s", move_buffer);
12179 linelen += movelen;
12181 /* [AS] Add PV info if present */
12182 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12183 /* [HGM] add time */
12184 char buf[MSG_SIZ]; int seconds;
12186 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12192 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12195 seconds = (seconds + 4)/10; // round to full seconds
12197 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12199 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12202 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12203 pvInfoList[i].score >= 0 ? "+" : "",
12204 pvInfoList[i].score / 100.0,
12205 pvInfoList[i].depth,
12208 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12210 /* Print score/depth */
12211 blank = linelen > 0 && movelen > 0;
12212 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12221 fprintf(f, "%s", move_buffer);
12222 linelen += movelen;
12228 /* Start a new line */
12229 if (linelen > 0) fprintf(f, "\n");
12231 /* Print comments after last move */
12232 if (commentList[i] != NULL) {
12233 fprintf(f, "%s\n", commentList[i]);
12237 if (gameInfo.resultDetails != NULL &&
12238 gameInfo.resultDetails[0] != NULLCHAR) {
12239 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12240 PGNResult(gameInfo.result));
12242 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12246 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12250 /* Save game in old style and close the file */
12252 SaveGameOldStyle(f)
12258 tm = time((time_t *) NULL);
12260 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12263 if (backwardMostMove > 0 || startedFromSetupPosition) {
12264 fprintf(f, "\n[--------------\n");
12265 PrintPosition(f, backwardMostMove);
12266 fprintf(f, "--------------]\n");
12271 i = backwardMostMove;
12272 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12274 while (i < forwardMostMove) {
12275 if (commentList[i] != NULL) {
12276 fprintf(f, "[%s]\n", commentList[i]);
12279 if ((i % 2) == 1) {
12280 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12283 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12285 if (commentList[i] != NULL) {
12289 if (i >= forwardMostMove) {
12293 fprintf(f, "%s\n", parseList[i]);
12298 if (commentList[i] != NULL) {
12299 fprintf(f, "[%s]\n", commentList[i]);
12302 /* This isn't really the old style, but it's close enough */
12303 if (gameInfo.resultDetails != NULL &&
12304 gameInfo.resultDetails[0] != NULLCHAR) {
12305 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12306 gameInfo.resultDetails);
12308 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12315 /* Save the current game to open file f and close the file */
12317 SaveGame(f, dummy, dummy2)
12322 if (gameMode == EditPosition) EditPositionDone(TRUE);
12323 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12324 if (appData.oldSaveStyle)
12325 return SaveGameOldStyle(f);
12327 return SaveGamePGN(f);
12330 /* Save the current position to the given file */
12332 SavePositionToFile(filename)
12338 if (strcmp(filename, "-") == 0) {
12339 return SavePosition(stdout, 0, NULL);
12341 f = fopen(filename, "a");
12343 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12344 DisplayError(buf, errno);
12347 safeStrCpy(buf, lastMsg, MSG_SIZ);
12348 DisplayMessage(_("Waiting for access to save file"), "");
12349 flock(fileno(f), LOCK_EX); // [HGM] lock
12350 DisplayMessage(_("Saving position"), "");
12351 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12352 SavePosition(f, 0, NULL);
12353 DisplayMessage(buf, "");
12359 /* Save the current position to the given open file and close the file */
12361 SavePosition(f, dummy, dummy2)
12369 if (gameMode == EditPosition) EditPositionDone(TRUE);
12370 if (appData.oldSaveStyle) {
12371 tm = time((time_t *) NULL);
12373 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12375 fprintf(f, "[--------------\n");
12376 PrintPosition(f, currentMove);
12377 fprintf(f, "--------------]\n");
12379 fen = PositionToFEN(currentMove, NULL);
12380 fprintf(f, "%s\n", fen);
12388 ReloadCmailMsgEvent(unregister)
12392 static char *inFilename = NULL;
12393 static char *outFilename;
12395 struct stat inbuf, outbuf;
12398 /* Any registered moves are unregistered if unregister is set, */
12399 /* i.e. invoked by the signal handler */
12401 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12402 cmailMoveRegistered[i] = FALSE;
12403 if (cmailCommentList[i] != NULL) {
12404 free(cmailCommentList[i]);
12405 cmailCommentList[i] = NULL;
12408 nCmailMovesRegistered = 0;
12411 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12412 cmailResult[i] = CMAIL_NOT_RESULT;
12416 if (inFilename == NULL) {
12417 /* Because the filenames are static they only get malloced once */
12418 /* and they never get freed */
12419 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12420 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12422 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12423 sprintf(outFilename, "%s.out", appData.cmailGameName);
12426 status = stat(outFilename, &outbuf);
12428 cmailMailedMove = FALSE;
12430 status = stat(inFilename, &inbuf);
12431 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12434 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12435 counts the games, notes how each one terminated, etc.
12437 It would be nice to remove this kludge and instead gather all
12438 the information while building the game list. (And to keep it
12439 in the game list nodes instead of having a bunch of fixed-size
12440 parallel arrays.) Note this will require getting each game's
12441 termination from the PGN tags, as the game list builder does
12442 not process the game moves. --mann
12444 cmailMsgLoaded = TRUE;
12445 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12447 /* Load first game in the file or popup game menu */
12448 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12450 #endif /* !WIN32 */
12458 char string[MSG_SIZ];
12460 if ( cmailMailedMove
12461 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12462 return TRUE; /* Allow free viewing */
12465 /* Unregister move to ensure that we don't leave RegisterMove */
12466 /* with the move registered when the conditions for registering no */
12468 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12469 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12470 nCmailMovesRegistered --;
12472 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12474 free(cmailCommentList[lastLoadGameNumber - 1]);
12475 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12479 if (cmailOldMove == -1) {
12480 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12484 if (currentMove > cmailOldMove + 1) {
12485 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12489 if (currentMove < cmailOldMove) {
12490 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12494 if (forwardMostMove > currentMove) {
12495 /* Silently truncate extra moves */
12499 if ( (currentMove == cmailOldMove + 1)
12500 || ( (currentMove == cmailOldMove)
12501 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12502 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12503 if (gameInfo.result != GameUnfinished) {
12504 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12507 if (commentList[currentMove] != NULL) {
12508 cmailCommentList[lastLoadGameNumber - 1]
12509 = StrSave(commentList[currentMove]);
12511 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12513 if (appData.debugMode)
12514 fprintf(debugFP, "Saving %s for game %d\n",
12515 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12517 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12519 f = fopen(string, "w");
12520 if (appData.oldSaveStyle) {
12521 SaveGameOldStyle(f); /* also closes the file */
12523 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12524 f = fopen(string, "w");
12525 SavePosition(f, 0, NULL); /* also closes the file */
12527 fprintf(f, "{--------------\n");
12528 PrintPosition(f, currentMove);
12529 fprintf(f, "--------------}\n\n");
12531 SaveGame(f, 0, NULL); /* also closes the file*/
12534 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12535 nCmailMovesRegistered ++;
12536 } else if (nCmailGames == 1) {
12537 DisplayError(_("You have not made a move yet"), 0);
12548 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12549 FILE *commandOutput;
12550 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12551 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12557 if (! cmailMsgLoaded) {
12558 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12562 if (nCmailGames == nCmailResults) {
12563 DisplayError(_("No unfinished games"), 0);
12567 #if CMAIL_PROHIBIT_REMAIL
12568 if (cmailMailedMove) {
12569 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);
12570 DisplayError(msg, 0);
12575 if (! (cmailMailedMove || RegisterMove())) return;
12577 if ( cmailMailedMove
12578 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12579 snprintf(string, MSG_SIZ, partCommandString,
12580 appData.debugMode ? " -v" : "", appData.cmailGameName);
12581 commandOutput = popen(string, "r");
12583 if (commandOutput == NULL) {
12584 DisplayError(_("Failed to invoke cmail"), 0);
12586 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12587 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12589 if (nBuffers > 1) {
12590 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12591 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12592 nBytes = MSG_SIZ - 1;
12594 (void) memcpy(msg, buffer, nBytes);
12596 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12598 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12599 cmailMailedMove = TRUE; /* Prevent >1 moves */
12602 for (i = 0; i < nCmailGames; i ++) {
12603 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12608 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12610 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12612 appData.cmailGameName,
12614 LoadGameFromFile(buffer, 1, buffer, FALSE);
12615 cmailMsgLoaded = FALSE;
12619 DisplayInformation(msg);
12620 pclose(commandOutput);
12623 if ((*cmailMsg) != '\0') {
12624 DisplayInformation(cmailMsg);
12629 #endif /* !WIN32 */
12638 int prependComma = 0;
12640 char string[MSG_SIZ]; /* Space for game-list */
12643 if (!cmailMsgLoaded) return "";
12645 if (cmailMailedMove) {
12646 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12648 /* Create a list of games left */
12649 snprintf(string, MSG_SIZ, "[");
12650 for (i = 0; i < nCmailGames; i ++) {
12651 if (! ( cmailMoveRegistered[i]
12652 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12653 if (prependComma) {
12654 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12656 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12660 strcat(string, number);
12663 strcat(string, "]");
12665 if (nCmailMovesRegistered + nCmailResults == 0) {
12666 switch (nCmailGames) {
12668 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12672 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12676 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12681 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12683 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12688 if (nCmailResults == nCmailGames) {
12689 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12691 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12696 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12708 if (gameMode == Training)
12709 SetTrainingModeOff();
12712 cmailMsgLoaded = FALSE;
12713 if (appData.icsActive) {
12714 SendToICS(ics_prefix);
12715 SendToICS("refresh\n");
12725 /* Give up on clean exit */
12729 /* Keep trying for clean exit */
12733 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12735 if (telnetISR != NULL) {
12736 RemoveInputSource(telnetISR);
12738 if (icsPR != NoProc) {
12739 DestroyChildProcess(icsPR, TRUE);
12742 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12743 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12745 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12746 /* make sure this other one finishes before killing it! */
12747 if(endingGame) { int count = 0;
12748 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12749 while(endingGame && count++ < 10) DoSleep(1);
12750 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12753 /* Kill off chess programs */
12754 if (first.pr != NoProc) {
12757 DoSleep( appData.delayBeforeQuit );
12758 SendToProgram("quit\n", &first);
12759 DoSleep( appData.delayAfterQuit );
12760 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12762 if (second.pr != NoProc) {
12763 DoSleep( appData.delayBeforeQuit );
12764 SendToProgram("quit\n", &second);
12765 DoSleep( appData.delayAfterQuit );
12766 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12768 if (first.isr != NULL) {
12769 RemoveInputSource(first.isr);
12771 if (second.isr != NULL) {
12772 RemoveInputSource(second.isr);
12775 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12776 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12778 ShutDownFrontEnd();
12785 if (appData.debugMode)
12786 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12790 if (gameMode == MachinePlaysWhite ||
12791 gameMode == MachinePlaysBlack) {
12794 DisplayBothClocks();
12796 if (gameMode == PlayFromGameFile) {
12797 if (appData.timeDelay >= 0)
12798 AutoPlayGameLoop();
12799 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12800 Reset(FALSE, TRUE);
12801 SendToICS(ics_prefix);
12802 SendToICS("refresh\n");
12803 } else if (currentMove < forwardMostMove) {
12804 ForwardInner(forwardMostMove);
12806 pauseExamInvalid = FALSE;
12808 switch (gameMode) {
12812 pauseExamForwardMostMove = forwardMostMove;
12813 pauseExamInvalid = FALSE;
12816 case IcsPlayingWhite:
12817 case IcsPlayingBlack:
12821 case PlayFromGameFile:
12822 (void) StopLoadGameTimer();
12826 case BeginningOfGame:
12827 if (appData.icsActive) return;
12828 /* else fall through */
12829 case MachinePlaysWhite:
12830 case MachinePlaysBlack:
12831 case TwoMachinesPlay:
12832 if (forwardMostMove == 0)
12833 return; /* don't pause if no one has moved */
12834 if ((gameMode == MachinePlaysWhite &&
12835 !WhiteOnMove(forwardMostMove)) ||
12836 (gameMode == MachinePlaysBlack &&
12837 WhiteOnMove(forwardMostMove))) {
12850 char title[MSG_SIZ];
12852 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12853 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12855 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12856 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12857 parseList[currentMove - 1]);
12860 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12867 char *tags = PGNTags(&gameInfo);
12869 EditTagsPopUp(tags, NULL);
12876 if (appData.noChessProgram || gameMode == AnalyzeMode)
12879 if (gameMode != AnalyzeFile) {
12880 if (!appData.icsEngineAnalyze) {
12882 if (gameMode != EditGame) return;
12884 ResurrectChessProgram();
12885 SendToProgram("analyze\n", &first);
12886 first.analyzing = TRUE;
12887 /*first.maybeThinking = TRUE;*/
12888 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12889 EngineOutputPopUp();
12891 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12896 StartAnalysisClock();
12897 GetTimeMark(&lastNodeCountTime);
12904 if (appData.noChessProgram || gameMode == AnalyzeFile)
12907 if (gameMode != AnalyzeMode) {
12909 if (gameMode != EditGame) return;
12910 ResurrectChessProgram();
12911 SendToProgram("analyze\n", &first);
12912 first.analyzing = TRUE;
12913 /*first.maybeThinking = TRUE;*/
12914 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12915 EngineOutputPopUp();
12917 gameMode = AnalyzeFile;
12922 StartAnalysisClock();
12923 GetTimeMark(&lastNodeCountTime);
12925 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
12929 MachineWhiteEvent()
12932 char *bookHit = NULL;
12934 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12938 if (gameMode == PlayFromGameFile ||
12939 gameMode == TwoMachinesPlay ||
12940 gameMode == Training ||
12941 gameMode == AnalyzeMode ||
12942 gameMode == EndOfGame)
12945 if (gameMode == EditPosition)
12946 EditPositionDone(TRUE);
12948 if (!WhiteOnMove(currentMove)) {
12949 DisplayError(_("It is not White's turn"), 0);
12953 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12956 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12957 gameMode == AnalyzeFile)
12960 ResurrectChessProgram(); /* in case it isn't running */
12961 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12962 gameMode = MachinePlaysWhite;
12965 gameMode = MachinePlaysWhite;
12969 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12971 if (first.sendName) {
12972 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12973 SendToProgram(buf, &first);
12975 if (first.sendTime) {
12976 if (first.useColors) {
12977 SendToProgram("black\n", &first); /*gnu kludge*/
12979 SendTimeRemaining(&first, TRUE);
12981 if (first.useColors) {
12982 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12984 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12985 SetMachineThinkingEnables();
12986 first.maybeThinking = TRUE;
12990 if (appData.autoFlipView && !flipView) {
12991 flipView = !flipView;
12992 DrawPosition(FALSE, NULL);
12993 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12996 if(bookHit) { // [HGM] book: simulate book reply
12997 static char bookMove[MSG_SIZ]; // a bit generous?
12999 programStats.nodes = programStats.depth = programStats.time =
13000 programStats.score = programStats.got_only_move = 0;
13001 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13003 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13004 strcat(bookMove, bookHit);
13005 HandleMachineMove(bookMove, &first);
13010 MachineBlackEvent()
13013 char *bookHit = NULL;
13015 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13019 if (gameMode == PlayFromGameFile ||
13020 gameMode == TwoMachinesPlay ||
13021 gameMode == Training ||
13022 gameMode == AnalyzeMode ||
13023 gameMode == EndOfGame)
13026 if (gameMode == EditPosition)
13027 EditPositionDone(TRUE);
13029 if (WhiteOnMove(currentMove)) {
13030 DisplayError(_("It is not Black's turn"), 0);
13034 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13037 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13038 gameMode == AnalyzeFile)
13041 ResurrectChessProgram(); /* in case it isn't running */
13042 gameMode = MachinePlaysBlack;
13046 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13048 if (first.sendName) {
13049 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13050 SendToProgram(buf, &first);
13052 if (first.sendTime) {
13053 if (first.useColors) {
13054 SendToProgram("white\n", &first); /*gnu kludge*/
13056 SendTimeRemaining(&first, FALSE);
13058 if (first.useColors) {
13059 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13061 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13062 SetMachineThinkingEnables();
13063 first.maybeThinking = TRUE;
13066 if (appData.autoFlipView && flipView) {
13067 flipView = !flipView;
13068 DrawPosition(FALSE, NULL);
13069 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13071 if(bookHit) { // [HGM] book: simulate book reply
13072 static char bookMove[MSG_SIZ]; // a bit generous?
13074 programStats.nodes = programStats.depth = programStats.time =
13075 programStats.score = programStats.got_only_move = 0;
13076 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13078 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13079 strcat(bookMove, bookHit);
13080 HandleMachineMove(bookMove, &first);
13086 DisplayTwoMachinesTitle()
13089 if (appData.matchGames > 0) {
13090 if(appData.tourneyFile[0]) {
13091 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13092 gameInfo.white, gameInfo.black,
13093 nextGame+1, appData.matchGames+1,
13094 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13096 if (first.twoMachinesColor[0] == 'w') {
13097 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13098 gameInfo.white, gameInfo.black,
13099 first.matchWins, second.matchWins,
13100 matchGame - 1 - (first.matchWins + second.matchWins));
13102 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13103 gameInfo.white, gameInfo.black,
13104 second.matchWins, first.matchWins,
13105 matchGame - 1 - (first.matchWins + second.matchWins));
13108 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13114 SettingsMenuIfReady()
13116 if (second.lastPing != second.lastPong) {
13117 DisplayMessage("", _("Waiting for second chess program"));
13118 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13122 DisplayMessage("", "");
13123 SettingsPopUp(&second);
13127 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13130 if (cps->pr == NULL) {
13131 StartChessProgram(cps);
13132 if (cps->protocolVersion == 1) {
13135 /* kludge: allow timeout for initial "feature" command */
13137 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13138 DisplayMessage("", buf);
13139 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13147 TwoMachinesEvent P((void))
13151 ChessProgramState *onmove;
13152 char *bookHit = NULL;
13153 static int stalling = 0;
13157 if (appData.noChessProgram) return;
13159 switch (gameMode) {
13160 case TwoMachinesPlay:
13162 case MachinePlaysWhite:
13163 case MachinePlaysBlack:
13164 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13165 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13169 case BeginningOfGame:
13170 case PlayFromGameFile:
13173 if (gameMode != EditGame) return;
13176 EditPositionDone(TRUE);
13187 // forwardMostMove = currentMove;
13188 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13190 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13192 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13193 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13194 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13198 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13199 SendToProgram("force\n", &second);
13201 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13204 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13205 if(appData.matchPause>10000 || appData.matchPause<10)
13206 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13207 wait = SubtractTimeMarks(&now, &pauseStart);
13208 if(wait < appData.matchPause) {
13209 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13213 DisplayMessage("", "");
13214 if (startedFromSetupPosition) {
13215 SendBoard(&second, backwardMostMove);
13216 if (appData.debugMode) {
13217 fprintf(debugFP, "Two Machines\n");
13220 for (i = backwardMostMove; i < forwardMostMove; i++) {
13221 SendMoveToProgram(i, &second);
13224 gameMode = TwoMachinesPlay;
13226 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13228 DisplayTwoMachinesTitle();
13230 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13235 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13236 SendToProgram(first.computerString, &first);
13237 if (first.sendName) {
13238 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13239 SendToProgram(buf, &first);
13241 SendToProgram(second.computerString, &second);
13242 if (second.sendName) {
13243 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13244 SendToProgram(buf, &second);
13248 if (!first.sendTime || !second.sendTime) {
13249 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13250 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13252 if (onmove->sendTime) {
13253 if (onmove->useColors) {
13254 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13256 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13258 if (onmove->useColors) {
13259 SendToProgram(onmove->twoMachinesColor, onmove);
13261 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13262 // SendToProgram("go\n", onmove);
13263 onmove->maybeThinking = TRUE;
13264 SetMachineThinkingEnables();
13268 if(bookHit) { // [HGM] book: simulate book reply
13269 static char bookMove[MSG_SIZ]; // a bit generous?
13271 programStats.nodes = programStats.depth = programStats.time =
13272 programStats.score = programStats.got_only_move = 0;
13273 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13275 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13276 strcat(bookMove, bookHit);
13277 savedMessage = bookMove; // args for deferred call
13278 savedState = onmove;
13279 ScheduleDelayedEvent(DeferredBookMove, 1);
13286 if (gameMode == Training) {
13287 SetTrainingModeOff();
13288 gameMode = PlayFromGameFile;
13289 DisplayMessage("", _("Training mode off"));
13291 gameMode = Training;
13292 animateTraining = appData.animate;
13294 /* make sure we are not already at the end of the game */
13295 if (currentMove < forwardMostMove) {
13296 SetTrainingModeOn();
13297 DisplayMessage("", _("Training mode on"));
13299 gameMode = PlayFromGameFile;
13300 DisplayError(_("Already at end of game"), 0);
13309 if (!appData.icsActive) return;
13310 switch (gameMode) {
13311 case IcsPlayingWhite:
13312 case IcsPlayingBlack:
13315 case BeginningOfGame:
13323 EditPositionDone(TRUE);
13336 gameMode = IcsIdle;
13347 switch (gameMode) {
13349 SetTrainingModeOff();
13351 case MachinePlaysWhite:
13352 case MachinePlaysBlack:
13353 case BeginningOfGame:
13354 SendToProgram("force\n", &first);
13355 SetUserThinkingEnables();
13357 case PlayFromGameFile:
13358 (void) StopLoadGameTimer();
13359 if (gameFileFP != NULL) {
13364 EditPositionDone(TRUE);
13369 SendToProgram("force\n", &first);
13371 case TwoMachinesPlay:
13372 GameEnds(EndOfFile, NULL, GE_PLAYER);
13373 ResurrectChessProgram();
13374 SetUserThinkingEnables();
13377 ResurrectChessProgram();
13379 case IcsPlayingBlack:
13380 case IcsPlayingWhite:
13381 DisplayError(_("Warning: You are still playing a game"), 0);
13384 DisplayError(_("Warning: You are still observing a game"), 0);
13387 DisplayError(_("Warning: You are still examining a game"), 0);
13398 first.offeredDraw = second.offeredDraw = 0;
13400 if (gameMode == PlayFromGameFile) {
13401 whiteTimeRemaining = timeRemaining[0][currentMove];
13402 blackTimeRemaining = timeRemaining[1][currentMove];
13406 if (gameMode == MachinePlaysWhite ||
13407 gameMode == MachinePlaysBlack ||
13408 gameMode == TwoMachinesPlay ||
13409 gameMode == EndOfGame) {
13410 i = forwardMostMove;
13411 while (i > currentMove) {
13412 SendToProgram("undo\n", &first);
13415 whiteTimeRemaining = timeRemaining[0][currentMove];
13416 blackTimeRemaining = timeRemaining[1][currentMove];
13417 DisplayBothClocks();
13418 if (whiteFlag || blackFlag) {
13419 whiteFlag = blackFlag = 0;
13424 gameMode = EditGame;
13431 EditPositionEvent()
13433 if (gameMode == EditPosition) {
13439 if (gameMode != EditGame) return;
13441 gameMode = EditPosition;
13444 if (currentMove > 0)
13445 CopyBoard(boards[0], boards[currentMove]);
13447 blackPlaysFirst = !WhiteOnMove(currentMove);
13449 currentMove = forwardMostMove = backwardMostMove = 0;
13450 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13457 /* [DM] icsEngineAnalyze - possible call from other functions */
13458 if (appData.icsEngineAnalyze) {
13459 appData.icsEngineAnalyze = FALSE;
13461 DisplayMessage("",_("Close ICS engine analyze..."));
13463 if (first.analysisSupport && first.analyzing) {
13464 SendToProgram("exit\n", &first);
13465 first.analyzing = FALSE;
13467 thinkOutput[0] = NULLCHAR;
13471 EditPositionDone(Boolean fakeRights)
13473 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13475 startedFromSetupPosition = TRUE;
13476 InitChessProgram(&first, FALSE);
13477 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13478 boards[0][EP_STATUS] = EP_NONE;
13479 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13480 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13481 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13482 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13483 } else boards[0][CASTLING][2] = NoRights;
13484 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13485 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13486 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13487 } else boards[0][CASTLING][5] = NoRights;
13489 SendToProgram("force\n", &first);
13490 if (blackPlaysFirst) {
13491 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13492 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13493 currentMove = forwardMostMove = backwardMostMove = 1;
13494 CopyBoard(boards[1], boards[0]);
13496 currentMove = forwardMostMove = backwardMostMove = 0;
13498 SendBoard(&first, forwardMostMove);
13499 if (appData.debugMode) {
13500 fprintf(debugFP, "EditPosDone\n");
13503 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13504 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13505 gameMode = EditGame;
13507 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13508 ClearHighlights(); /* [AS] */
13511 /* Pause for `ms' milliseconds */
13512 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13522 } while (SubtractTimeMarks(&m2, &m1) < ms);
13525 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13527 SendMultiLineToICS(buf)
13530 char temp[MSG_SIZ+1], *p;
13537 strncpy(temp, buf, len);
13542 if (*p == '\n' || *p == '\r')
13547 strcat(temp, "\n");
13549 SendToPlayer(temp, strlen(temp));
13553 SetWhiteToPlayEvent()
13555 if (gameMode == EditPosition) {
13556 blackPlaysFirst = FALSE;
13557 DisplayBothClocks(); /* works because currentMove is 0 */
13558 } else if (gameMode == IcsExamining) {
13559 SendToICS(ics_prefix);
13560 SendToICS("tomove white\n");
13565 SetBlackToPlayEvent()
13567 if (gameMode == EditPosition) {
13568 blackPlaysFirst = TRUE;
13569 currentMove = 1; /* kludge */
13570 DisplayBothClocks();
13572 } else if (gameMode == IcsExamining) {
13573 SendToICS(ics_prefix);
13574 SendToICS("tomove black\n");
13579 EditPositionMenuEvent(selection, x, y)
13580 ChessSquare selection;
13584 ChessSquare piece = boards[0][y][x];
13586 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13588 switch (selection) {
13590 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13591 SendToICS(ics_prefix);
13592 SendToICS("bsetup clear\n");
13593 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13594 SendToICS(ics_prefix);
13595 SendToICS("clearboard\n");
13597 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13598 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13599 for (y = 0; y < BOARD_HEIGHT; y++) {
13600 if (gameMode == IcsExamining) {
13601 if (boards[currentMove][y][x] != EmptySquare) {
13602 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13607 boards[0][y][x] = p;
13612 if (gameMode == EditPosition) {
13613 DrawPosition(FALSE, boards[0]);
13618 SetWhiteToPlayEvent();
13622 SetBlackToPlayEvent();
13626 if (gameMode == IcsExamining) {
13627 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13628 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13631 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13632 if(x == BOARD_LEFT-2) {
13633 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13634 boards[0][y][1] = 0;
13636 if(x == BOARD_RGHT+1) {
13637 if(y >= gameInfo.holdingsSize) break;
13638 boards[0][y][BOARD_WIDTH-2] = 0;
13641 boards[0][y][x] = EmptySquare;
13642 DrawPosition(FALSE, boards[0]);
13647 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13648 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13649 selection = (ChessSquare) (PROMOTED piece);
13650 } else if(piece == EmptySquare) selection = WhiteSilver;
13651 else selection = (ChessSquare)((int)piece - 1);
13655 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13656 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13657 selection = (ChessSquare) (DEMOTED piece);
13658 } else if(piece == EmptySquare) selection = BlackSilver;
13659 else selection = (ChessSquare)((int)piece + 1);
13664 if(gameInfo.variant == VariantShatranj ||
13665 gameInfo.variant == VariantXiangqi ||
13666 gameInfo.variant == VariantCourier ||
13667 gameInfo.variant == VariantMakruk )
13668 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13673 if(gameInfo.variant == VariantXiangqi)
13674 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13675 if(gameInfo.variant == VariantKnightmate)
13676 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13679 if (gameMode == IcsExamining) {
13680 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13681 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13682 PieceToChar(selection), AAA + x, ONE + y);
13685 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13687 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13688 n = PieceToNumber(selection - BlackPawn);
13689 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13690 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13691 boards[0][BOARD_HEIGHT-1-n][1]++;
13693 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13694 n = PieceToNumber(selection);
13695 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13696 boards[0][n][BOARD_WIDTH-1] = selection;
13697 boards[0][n][BOARD_WIDTH-2]++;
13700 boards[0][y][x] = selection;
13701 DrawPosition(TRUE, boards[0]);
13709 DropMenuEvent(selection, x, y)
13710 ChessSquare selection;
13713 ChessMove moveType;
13715 switch (gameMode) {
13716 case IcsPlayingWhite:
13717 case MachinePlaysBlack:
13718 if (!WhiteOnMove(currentMove)) {
13719 DisplayMoveError(_("It is Black's turn"));
13722 moveType = WhiteDrop;
13724 case IcsPlayingBlack:
13725 case MachinePlaysWhite:
13726 if (WhiteOnMove(currentMove)) {
13727 DisplayMoveError(_("It is White's turn"));
13730 moveType = BlackDrop;
13733 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13739 if (moveType == BlackDrop && selection < BlackPawn) {
13740 selection = (ChessSquare) ((int) selection
13741 + (int) BlackPawn - (int) WhitePawn);
13743 if (boards[currentMove][y][x] != EmptySquare) {
13744 DisplayMoveError(_("That square is occupied"));
13748 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13754 /* Accept a pending offer of any kind from opponent */
13756 if (appData.icsActive) {
13757 SendToICS(ics_prefix);
13758 SendToICS("accept\n");
13759 } else if (cmailMsgLoaded) {
13760 if (currentMove == cmailOldMove &&
13761 commentList[cmailOldMove] != NULL &&
13762 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13763 "Black offers a draw" : "White offers a draw")) {
13765 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13766 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13768 DisplayError(_("There is no pending offer on this move"), 0);
13769 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13772 /* Not used for offers from chess program */
13779 /* Decline a pending offer of any kind from opponent */
13781 if (appData.icsActive) {
13782 SendToICS(ics_prefix);
13783 SendToICS("decline\n");
13784 } else if (cmailMsgLoaded) {
13785 if (currentMove == cmailOldMove &&
13786 commentList[cmailOldMove] != NULL &&
13787 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13788 "Black offers a draw" : "White offers a draw")) {
13790 AppendComment(cmailOldMove, "Draw declined", TRUE);
13791 DisplayComment(cmailOldMove - 1, "Draw declined");
13794 DisplayError(_("There is no pending offer on this move"), 0);
13797 /* Not used for offers from chess program */
13804 /* Issue ICS rematch command */
13805 if (appData.icsActive) {
13806 SendToICS(ics_prefix);
13807 SendToICS("rematch\n");
13814 /* Call your opponent's flag (claim a win on time) */
13815 if (appData.icsActive) {
13816 SendToICS(ics_prefix);
13817 SendToICS("flag\n");
13819 switch (gameMode) {
13822 case MachinePlaysWhite:
13825 GameEnds(GameIsDrawn, "Both players ran out of time",
13828 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13830 DisplayError(_("Your opponent is not out of time"), 0);
13833 case MachinePlaysBlack:
13836 GameEnds(GameIsDrawn, "Both players ran out of time",
13839 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13841 DisplayError(_("Your opponent is not out of time"), 0);
13849 ClockClick(int which)
13850 { // [HGM] code moved to back-end from winboard.c
13851 if(which) { // black clock
13852 if (gameMode == EditPosition || gameMode == IcsExamining) {
13853 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13854 SetBlackToPlayEvent();
13855 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
13856 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
13857 } else if (shiftKey) {
13858 AdjustClock(which, -1);
13859 } else if (gameMode == IcsPlayingWhite ||
13860 gameMode == MachinePlaysBlack) {
13863 } else { // white clock
13864 if (gameMode == EditPosition || gameMode == IcsExamining) {
13865 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13866 SetWhiteToPlayEvent();
13867 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
13868 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
13869 } else if (shiftKey) {
13870 AdjustClock(which, -1);
13871 } else if (gameMode == IcsPlayingBlack ||
13872 gameMode == MachinePlaysWhite) {
13881 /* Offer draw or accept pending draw offer from opponent */
13883 if (appData.icsActive) {
13884 /* Note: tournament rules require draw offers to be
13885 made after you make your move but before you punch
13886 your clock. Currently ICS doesn't let you do that;
13887 instead, you immediately punch your clock after making
13888 a move, but you can offer a draw at any time. */
13890 SendToICS(ics_prefix);
13891 SendToICS("draw\n");
13892 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13893 } else if (cmailMsgLoaded) {
13894 if (currentMove == cmailOldMove &&
13895 commentList[cmailOldMove] != NULL &&
13896 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13897 "Black offers a draw" : "White offers a draw")) {
13898 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13899 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13900 } else if (currentMove == cmailOldMove + 1) {
13901 char *offer = WhiteOnMove(cmailOldMove) ?
13902 "White offers a draw" : "Black offers a draw";
13903 AppendComment(currentMove, offer, TRUE);
13904 DisplayComment(currentMove - 1, offer);
13905 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13907 DisplayError(_("You must make your move before offering a draw"), 0);
13908 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13910 } else if (first.offeredDraw) {
13911 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13913 if (first.sendDrawOffers) {
13914 SendToProgram("draw\n", &first);
13915 userOfferedDraw = TRUE;
13923 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13925 if (appData.icsActive) {
13926 SendToICS(ics_prefix);
13927 SendToICS("adjourn\n");
13929 /* Currently GNU Chess doesn't offer or accept Adjourns */
13937 /* Offer Abort or accept pending Abort offer from opponent */
13939 if (appData.icsActive) {
13940 SendToICS(ics_prefix);
13941 SendToICS("abort\n");
13943 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13950 /* Resign. You can do this even if it's not your turn. */
13952 if (appData.icsActive) {
13953 SendToICS(ics_prefix);
13954 SendToICS("resign\n");
13956 switch (gameMode) {
13957 case MachinePlaysWhite:
13958 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13960 case MachinePlaysBlack:
13961 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13964 if (cmailMsgLoaded) {
13966 if (WhiteOnMove(cmailOldMove)) {
13967 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13969 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13971 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13982 StopObservingEvent()
13984 /* Stop observing current games */
13985 SendToICS(ics_prefix);
13986 SendToICS("unobserve\n");
13990 StopExaminingEvent()
13992 /* Stop observing current game */
13993 SendToICS(ics_prefix);
13994 SendToICS("unexamine\n");
13998 ForwardInner(target)
14003 if (appData.debugMode)
14004 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14005 target, currentMove, forwardMostMove);
14007 if (gameMode == EditPosition)
14010 if (gameMode == PlayFromGameFile && !pausing)
14013 if (gameMode == IcsExamining && pausing)
14014 limit = pauseExamForwardMostMove;
14016 limit = forwardMostMove;
14018 if (target > limit) target = limit;
14020 if (target > 0 && moveList[target - 1][0]) {
14021 int fromX, fromY, toX, toY;
14022 toX = moveList[target - 1][2] - AAA;
14023 toY = moveList[target - 1][3] - ONE;
14024 if (moveList[target - 1][1] == '@') {
14025 if (appData.highlightLastMove) {
14026 SetHighlights(-1, -1, toX, toY);
14029 fromX = moveList[target - 1][0] - AAA;
14030 fromY = moveList[target - 1][1] - ONE;
14031 if (target == currentMove + 1) {
14032 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14034 if (appData.highlightLastMove) {
14035 SetHighlights(fromX, fromY, toX, toY);
14039 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14040 gameMode == Training || gameMode == PlayFromGameFile ||
14041 gameMode == AnalyzeFile) {
14042 while (currentMove < target) {
14043 SendMoveToProgram(currentMove++, &first);
14046 currentMove = target;
14049 if (gameMode == EditGame || gameMode == EndOfGame) {
14050 whiteTimeRemaining = timeRemaining[0][currentMove];
14051 blackTimeRemaining = timeRemaining[1][currentMove];
14053 DisplayBothClocks();
14054 DisplayMove(currentMove - 1);
14055 DrawPosition(FALSE, boards[currentMove]);
14056 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14057 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14058 DisplayComment(currentMove - 1, commentList[currentMove]);
14066 if (gameMode == IcsExamining && !pausing) {
14067 SendToICS(ics_prefix);
14068 SendToICS("forward\n");
14070 ForwardInner(currentMove + 1);
14077 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14078 /* to optimze, we temporarily turn off analysis mode while we feed
14079 * the remaining moves to the engine. Otherwise we get analysis output
14082 if (first.analysisSupport) {
14083 SendToProgram("exit\nforce\n", &first);
14084 first.analyzing = FALSE;
14088 if (gameMode == IcsExamining && !pausing) {
14089 SendToICS(ics_prefix);
14090 SendToICS("forward 999999\n");
14092 ForwardInner(forwardMostMove);
14095 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14096 /* we have fed all the moves, so reactivate analysis mode */
14097 SendToProgram("analyze\n", &first);
14098 first.analyzing = TRUE;
14099 /*first.maybeThinking = TRUE;*/
14100 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14105 BackwardInner(target)
14108 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14110 if (appData.debugMode)
14111 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14112 target, currentMove, forwardMostMove);
14114 if (gameMode == EditPosition) return;
14115 if (currentMove <= backwardMostMove) {
14117 DrawPosition(full_redraw, boards[currentMove]);
14120 if (gameMode == PlayFromGameFile && !pausing)
14123 if (moveList[target][0]) {
14124 int fromX, fromY, toX, toY;
14125 toX = moveList[target][2] - AAA;
14126 toY = moveList[target][3] - ONE;
14127 if (moveList[target][1] == '@') {
14128 if (appData.highlightLastMove) {
14129 SetHighlights(-1, -1, toX, toY);
14132 fromX = moveList[target][0] - AAA;
14133 fromY = moveList[target][1] - ONE;
14134 if (target == currentMove - 1) {
14135 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14137 if (appData.highlightLastMove) {
14138 SetHighlights(fromX, fromY, toX, toY);
14142 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14143 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14144 while (currentMove > target) {
14145 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14146 // null move cannot be undone. Reload program with move history before it.
14148 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14149 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14151 SendBoard(&first, i);
14152 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14155 SendToProgram("undo\n", &first);
14159 currentMove = target;
14162 if (gameMode == EditGame || gameMode == EndOfGame) {
14163 whiteTimeRemaining = timeRemaining[0][currentMove];
14164 blackTimeRemaining = timeRemaining[1][currentMove];
14166 DisplayBothClocks();
14167 DisplayMove(currentMove - 1);
14168 DrawPosition(full_redraw, boards[currentMove]);
14169 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14170 // [HGM] PV info: routine tests if comment empty
14171 DisplayComment(currentMove - 1, commentList[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);