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 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
883 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
886 Load(ChessProgramState *cps, int i)
888 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
889 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
890 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
891 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
892 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
893 ParseArgsFromString(buf);
895 ReplaceEngine(cps, i);
899 while(q = strchr(p, SLASH)) p = q+1;
900 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
901 if(engineDir[0] != NULLCHAR)
902 appData.directory[i] = engineDir;
903 else if(p != engineName) { // derive directory from engine path, when not given
905 appData.directory[i] = strdup(engineName);
907 } else appData.directory[i] = ".";
909 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
910 snprintf(command, MSG_SIZ, "%s %s", p, params);
913 appData.chessProgram[i] = strdup(p);
914 appData.isUCI[i] = isUCI;
915 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
916 appData.hasOwnBookUCI[i] = hasBook;
917 if(!nickName[0]) useNick = FALSE;
918 if(useNick) ASSIGN(appData.pgnName[i], nickName);
922 q = firstChessProgramNames;
923 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
924 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
925 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
926 quote, p, quote, appData.directory[i],
927 useNick ? " -fn \"" : "",
928 useNick ? nickName : "",
930 v1 ? " -firstProtocolVersion 1" : "",
931 hasBook ? "" : " -fNoOwnBookUCI",
932 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
933 storeVariant ? " -variant " : "",
934 storeVariant ? VariantName(gameInfo.variant) : "");
935 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
936 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
939 ReplaceEngine(cps, i);
945 int matched, min, sec;
947 * Parse timeControl resource
949 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
950 appData.movesPerSession)) {
952 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
953 DisplayFatalError(buf, 0, 2);
957 * Parse searchTime resource
959 if (*appData.searchTime != NULLCHAR) {
960 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
962 searchTime = min * 60;
963 } else if (matched == 2) {
964 searchTime = min * 60 + sec;
967 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
968 DisplayFatalError(buf, 0, 2);
977 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
978 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
980 GetTimeMark(&programStartTime);
981 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
982 appData.seedBase = random() + (random()<<15);
983 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
986 programStats.ok_to_send = 1;
987 programStats.seen_stat = 0;
990 * Initialize game list
996 * Internet chess server status
998 if (appData.icsActive) {
999 appData.matchMode = FALSE;
1000 appData.matchGames = 0;
1002 appData.noChessProgram = !appData.zippyPlay;
1004 appData.zippyPlay = FALSE;
1005 appData.zippyTalk = FALSE;
1006 appData.noChessProgram = TRUE;
1008 if (*appData.icsHelper != NULLCHAR) {
1009 appData.useTelnet = TRUE;
1010 appData.telnetProgram = appData.icsHelper;
1013 appData.zippyTalk = appData.zippyPlay = FALSE;
1016 /* [AS] Initialize pv info list [HGM] and game state */
1020 for( i=0; i<=framePtr; i++ ) {
1021 pvInfoList[i].depth = -1;
1022 boards[i][EP_STATUS] = EP_NONE;
1023 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1029 /* [AS] Adjudication threshold */
1030 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1032 InitEngine(&first, 0);
1033 InitEngine(&second, 1);
1036 pairing.which = "pairing"; // pairing engine
1037 pairing.pr = NoProc;
1039 pairing.program = appData.pairingEngine;
1040 pairing.host = "localhost";
1043 if (appData.icsActive) {
1044 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1045 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1046 appData.clockMode = FALSE;
1047 first.sendTime = second.sendTime = 0;
1051 /* Override some settings from environment variables, for backward
1052 compatibility. Unfortunately it's not feasible to have the env
1053 vars just set defaults, at least in xboard. Ugh.
1055 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1060 if (!appData.icsActive) {
1064 /* Check for variants that are supported only in ICS mode,
1065 or not at all. Some that are accepted here nevertheless
1066 have bugs; see comments below.
1068 VariantClass variant = StringToVariant(appData.variant);
1070 case VariantBughouse: /* need four players and two boards */
1071 case VariantKriegspiel: /* need to hide pieces and move details */
1072 /* case VariantFischeRandom: (Fabien: moved below) */
1073 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1074 if( (len > MSG_SIZ) && appData.debugMode )
1075 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1077 DisplayFatalError(buf, 0, 2);
1080 case VariantUnknown:
1081 case VariantLoadable:
1091 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1092 if( (len > MSG_SIZ) && appData.debugMode )
1093 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1095 DisplayFatalError(buf, 0, 2);
1098 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1099 case VariantFairy: /* [HGM] TestLegality definitely off! */
1100 case VariantGothic: /* [HGM] should work */
1101 case VariantCapablanca: /* [HGM] should work */
1102 case VariantCourier: /* [HGM] initial forced moves not implemented */
1103 case VariantShogi: /* [HGM] could still mate with pawn drop */
1104 case VariantKnightmate: /* [HGM] should work */
1105 case VariantCylinder: /* [HGM] untested */
1106 case VariantFalcon: /* [HGM] untested */
1107 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1108 offboard interposition not understood */
1109 case VariantNormal: /* definitely works! */
1110 case VariantWildCastle: /* pieces not automatically shuffled */
1111 case VariantNoCastle: /* pieces not automatically shuffled */
1112 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1113 case VariantLosers: /* should work except for win condition,
1114 and doesn't know captures are mandatory */
1115 case VariantSuicide: /* should work except for win condition,
1116 and doesn't know captures are mandatory */
1117 case VariantGiveaway: /* should work except for win condition,
1118 and doesn't know captures are mandatory */
1119 case VariantTwoKings: /* should work */
1120 case VariantAtomic: /* should work except for win condition */
1121 case Variant3Check: /* should work except for win condition */
1122 case VariantShatranj: /* should work except for all win conditions */
1123 case VariantMakruk: /* should work except for draw countdown */
1124 case VariantBerolina: /* might work if TestLegality is off */
1125 case VariantCapaRandom: /* should work */
1126 case VariantJanus: /* should work */
1127 case VariantSuper: /* experimental */
1128 case VariantGreat: /* experimental, requires legality testing to be off */
1129 case VariantSChess: /* S-Chess, should work */
1130 case VariantGrand: /* should work */
1131 case VariantSpartan: /* should work */
1138 int NextIntegerFromString( char ** str, long * value )
1143 while( *s == ' ' || *s == '\t' ) {
1149 if( *s >= '0' && *s <= '9' ) {
1150 while( *s >= '0' && *s <= '9' ) {
1151 *value = *value * 10 + (*s - '0');
1163 int NextTimeControlFromString( char ** str, long * value )
1166 int result = NextIntegerFromString( str, &temp );
1169 *value = temp * 60; /* Minutes */
1170 if( **str == ':' ) {
1172 result = NextIntegerFromString( str, &temp );
1173 *value += temp; /* Seconds */
1180 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1181 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1182 int result = -1, type = 0; long temp, temp2;
1184 if(**str != ':') return -1; // old params remain in force!
1186 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1187 if( NextIntegerFromString( str, &temp ) ) return -1;
1188 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1191 /* time only: incremental or sudden-death time control */
1192 if(**str == '+') { /* increment follows; read it */
1194 if(**str == '!') type = *(*str)++; // Bronstein TC
1195 if(result = NextIntegerFromString( str, &temp2)) return -1;
1196 *inc = temp2 * 1000;
1197 if(**str == '.') { // read fraction of increment
1198 char *start = ++(*str);
1199 if(result = NextIntegerFromString( str, &temp2)) return -1;
1201 while(start++ < *str) temp2 /= 10;
1205 *moves = 0; *tc = temp * 1000; *incType = type;
1209 (*str)++; /* classical time control */
1210 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1221 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1222 { /* [HGM] get time to add from the multi-session time-control string */
1223 int incType, moves=1; /* kludge to force reading of first session */
1224 long time, increment;
1227 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1228 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1230 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1231 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1232 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1233 if(movenr == -1) return time; /* last move before new session */
1234 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1235 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1236 if(!moves) return increment; /* current session is incremental */
1237 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1238 } while(movenr >= -1); /* try again for next session */
1240 return 0; // no new time quota on this move
1244 ParseTimeControl(tc, ti, mps)
1251 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1254 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1255 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1256 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1260 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1262 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1265 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1267 snprintf(buf, MSG_SIZ, ":%s", mytc);
1269 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1271 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1276 /* Parse second time control */
1279 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1287 timeControl_2 = tc2 * 1000;
1297 timeControl = tc1 * 1000;
1300 timeIncrement = ti * 1000; /* convert to ms */
1301 movesPerSession = 0;
1304 movesPerSession = mps;
1312 if (appData.debugMode) {
1313 fprintf(debugFP, "%s\n", programVersion);
1316 set_cont_sequence(appData.wrapContSeq);
1317 if (appData.matchGames > 0) {
1318 appData.matchMode = TRUE;
1319 } else if (appData.matchMode) {
1320 appData.matchGames = 1;
1322 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1323 appData.matchGames = appData.sameColorGames;
1324 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1325 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1326 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1329 if (appData.noChessProgram || first.protocolVersion == 1) {
1332 /* kludge: allow timeout for initial "feature" commands */
1334 DisplayMessage("", _("Starting chess program"));
1335 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1340 CalculateIndex(int index, int gameNr)
1341 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1343 if(index > 0) return index; // fixed nmber
1344 if(index == 0) return 1;
1345 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1346 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1351 LoadGameOrPosition(int gameNr)
1352 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1353 if (*appData.loadGameFile != NULLCHAR) {
1354 if (!LoadGameFromFile(appData.loadGameFile,
1355 CalculateIndex(appData.loadGameIndex, gameNr),
1356 appData.loadGameFile, FALSE)) {
1357 DisplayFatalError(_("Bad game file"), 0, 1);
1360 } else if (*appData.loadPositionFile != NULLCHAR) {
1361 if (!LoadPositionFromFile(appData.loadPositionFile,
1362 CalculateIndex(appData.loadPositionIndex, gameNr),
1363 appData.loadPositionFile)) {
1364 DisplayFatalError(_("Bad position file"), 0, 1);
1372 ReserveGame(int gameNr, char resChar)
1374 FILE *tf = fopen(appData.tourneyFile, "r+");
1375 char *p, *q, c, buf[MSG_SIZ];
1376 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1377 safeStrCpy(buf, lastMsg, MSG_SIZ);
1378 DisplayMessage(_("Pick new game"), "");
1379 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1380 ParseArgsFromFile(tf);
1381 p = q = appData.results;
1382 if(appData.debugMode) {
1383 char *r = appData.participants;
1384 fprintf(debugFP, "results = '%s'\n", p);
1385 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1386 fprintf(debugFP, "\n");
1388 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1390 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1391 safeStrCpy(q, p, strlen(p) + 2);
1392 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1393 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1394 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1395 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1398 fseek(tf, -(strlen(p)+4), SEEK_END);
1400 if(c != '"') // depending on DOS or Unix line endings we can be one off
1401 fseek(tf, -(strlen(p)+2), SEEK_END);
1402 else fseek(tf, -(strlen(p)+3), SEEK_END);
1403 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1404 DisplayMessage(buf, "");
1405 free(p); appData.results = q;
1406 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1407 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1408 UnloadEngine(&first); // next game belongs to other pairing;
1409 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1414 MatchEvent(int mode)
1415 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1417 if(matchMode) { // already in match mode: switch it off
1419 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1422 // if(gameMode != BeginningOfGame) {
1423 // DisplayError(_("You can only start a match from the initial position."), 0);
1427 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1428 /* Set up machine vs. machine match */
1430 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1431 if(appData.tourneyFile[0]) {
1433 if(nextGame > appData.matchGames) {
1435 if(strchr(appData.results, '*') == NULL) {
1437 appData.tourneyCycles++;
1438 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1440 NextTourneyGame(-1, &dummy);
1442 if(nextGame <= appData.matchGames) {
1443 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1445 ScheduleDelayedEvent(NextMatchGame, 10000);
1450 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1451 DisplayError(buf, 0);
1452 appData.tourneyFile[0] = 0;
1456 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1457 DisplayFatalError(_("Can't have a match with no chess programs"),
1462 matchGame = roundNr = 1;
1463 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1468 InitBackEnd3 P((void))
1470 GameMode initialMode;
1474 InitChessProgram(&first, startedFromSetupPosition);
1476 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1477 free(programVersion);
1478 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1479 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1482 if (appData.icsActive) {
1484 /* [DM] Make a console window if needed [HGM] merged ifs */
1490 if (*appData.icsCommPort != NULLCHAR)
1491 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1492 appData.icsCommPort);
1494 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1495 appData.icsHost, appData.icsPort);
1497 if( (len > MSG_SIZ) && appData.debugMode )
1498 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1500 DisplayFatalError(buf, err, 1);
1505 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1507 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1508 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1509 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1510 } else if (appData.noChessProgram) {
1516 if (*appData.cmailGameName != NULLCHAR) {
1518 OpenLoopback(&cmailPR);
1520 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1524 DisplayMessage("", "");
1525 if (StrCaseCmp(appData.initialMode, "") == 0) {
1526 initialMode = BeginningOfGame;
1527 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1528 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1529 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1530 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1533 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1534 initialMode = TwoMachinesPlay;
1535 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1536 initialMode = AnalyzeFile;
1537 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1538 initialMode = AnalyzeMode;
1539 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1540 initialMode = MachinePlaysWhite;
1541 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1542 initialMode = MachinePlaysBlack;
1543 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1544 initialMode = EditGame;
1545 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1546 initialMode = EditPosition;
1547 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1548 initialMode = Training;
1550 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1551 if( (len > MSG_SIZ) && appData.debugMode )
1552 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1554 DisplayFatalError(buf, 0, 2);
1558 if (appData.matchMode) {
1559 if(appData.tourneyFile[0]) { // start tourney from command line
1561 if(f = fopen(appData.tourneyFile, "r")) {
1562 ParseArgsFromFile(f); // make sure tourney parmeters re known
1564 appData.clockMode = TRUE;
1566 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1569 } else if (*appData.cmailGameName != NULLCHAR) {
1570 /* Set up cmail mode */
1571 ReloadCmailMsgEvent(TRUE);
1573 /* Set up other modes */
1574 if (initialMode == AnalyzeFile) {
1575 if (*appData.loadGameFile == NULLCHAR) {
1576 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1580 if (*appData.loadGameFile != NULLCHAR) {
1581 (void) LoadGameFromFile(appData.loadGameFile,
1582 appData.loadGameIndex,
1583 appData.loadGameFile, TRUE);
1584 } else if (*appData.loadPositionFile != NULLCHAR) {
1585 (void) LoadPositionFromFile(appData.loadPositionFile,
1586 appData.loadPositionIndex,
1587 appData.loadPositionFile);
1588 /* [HGM] try to make self-starting even after FEN load */
1589 /* to allow automatic setup of fairy variants with wtm */
1590 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1591 gameMode = BeginningOfGame;
1592 setboardSpoiledMachineBlack = 1;
1594 /* [HGM] loadPos: make that every new game uses the setup */
1595 /* from file as long as we do not switch variant */
1596 if(!blackPlaysFirst) {
1597 startedFromPositionFile = TRUE;
1598 CopyBoard(filePosition, boards[0]);
1601 if (initialMode == AnalyzeMode) {
1602 if (appData.noChessProgram) {
1603 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1606 if (appData.icsActive) {
1607 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1611 } else if (initialMode == AnalyzeFile) {
1612 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1613 ShowThinkingEvent();
1615 AnalysisPeriodicEvent(1);
1616 } else if (initialMode == MachinePlaysWhite) {
1617 if (appData.noChessProgram) {
1618 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1622 if (appData.icsActive) {
1623 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1627 MachineWhiteEvent();
1628 } else if (initialMode == MachinePlaysBlack) {
1629 if (appData.noChessProgram) {
1630 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1634 if (appData.icsActive) {
1635 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1639 MachineBlackEvent();
1640 } else if (initialMode == TwoMachinesPlay) {
1641 if (appData.noChessProgram) {
1642 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1646 if (appData.icsActive) {
1647 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1652 } else if (initialMode == EditGame) {
1654 } else if (initialMode == EditPosition) {
1655 EditPositionEvent();
1656 } else if (initialMode == Training) {
1657 if (*appData.loadGameFile == NULLCHAR) {
1658 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1667 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
1669 DisplayBook(current+1);
1671 MoveHistorySet( movelist, first, last, current, pvInfoList );
1673 EvalGraphSet( first, last, current, pvInfoList );
1675 MakeEngineOutputTitle();
1679 * Establish will establish a contact to a remote host.port.
1680 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1681 * used to talk to the host.
1682 * Returns 0 if okay, error code if not.
1689 if (*appData.icsCommPort != NULLCHAR) {
1690 /* Talk to the host through a serial comm port */
1691 return OpenCommPort(appData.icsCommPort, &icsPR);
1693 } else if (*appData.gateway != NULLCHAR) {
1694 if (*appData.remoteShell == NULLCHAR) {
1695 /* Use the rcmd protocol to run telnet program on a gateway host */
1696 snprintf(buf, sizeof(buf), "%s %s %s",
1697 appData.telnetProgram, appData.icsHost, appData.icsPort);
1698 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1701 /* Use the rsh program to run telnet program on a gateway host */
1702 if (*appData.remoteUser == NULLCHAR) {
1703 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1704 appData.gateway, appData.telnetProgram,
1705 appData.icsHost, appData.icsPort);
1707 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1708 appData.remoteShell, appData.gateway,
1709 appData.remoteUser, appData.telnetProgram,
1710 appData.icsHost, appData.icsPort);
1712 return StartChildProcess(buf, "", &icsPR);
1715 } else if (appData.useTelnet) {
1716 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1719 /* TCP socket interface differs somewhat between
1720 Unix and NT; handle details in the front end.
1722 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1726 void EscapeExpand(char *p, char *q)
1727 { // [HGM] initstring: routine to shape up string arguments
1728 while(*p++ = *q++) if(p[-1] == '\\')
1730 case 'n': p[-1] = '\n'; break;
1731 case 'r': p[-1] = '\r'; break;
1732 case 't': p[-1] = '\t'; break;
1733 case '\\': p[-1] = '\\'; break;
1734 case 0: *p = 0; return;
1735 default: p[-1] = q[-1]; break;
1740 show_bytes(fp, buf, count)
1746 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1747 fprintf(fp, "\\%03o", *buf & 0xff);
1756 /* Returns an errno value */
1758 OutputMaybeTelnet(pr, message, count, outError)
1764 char buf[8192], *p, *q, *buflim;
1765 int left, newcount, outcount;
1767 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1768 *appData.gateway != NULLCHAR) {
1769 if (appData.debugMode) {
1770 fprintf(debugFP, ">ICS: ");
1771 show_bytes(debugFP, message, count);
1772 fprintf(debugFP, "\n");
1774 return OutputToProcess(pr, message, count, outError);
1777 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1784 if (appData.debugMode) {
1785 fprintf(debugFP, ">ICS: ");
1786 show_bytes(debugFP, buf, newcount);
1787 fprintf(debugFP, "\n");
1789 outcount = OutputToProcess(pr, buf, newcount, outError);
1790 if (outcount < newcount) return -1; /* to be sure */
1797 } else if (((unsigned char) *p) == TN_IAC) {
1798 *q++ = (char) TN_IAC;
1805 if (appData.debugMode) {
1806 fprintf(debugFP, ">ICS: ");
1807 show_bytes(debugFP, buf, newcount);
1808 fprintf(debugFP, "\n");
1810 outcount = OutputToProcess(pr, buf, newcount, outError);
1811 if (outcount < newcount) return -1; /* to be sure */
1816 read_from_player(isr, closure, message, count, error)
1823 int outError, outCount;
1824 static int gotEof = 0;
1826 /* Pass data read from player on to ICS */
1829 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1830 if (outCount < count) {
1831 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1833 } else if (count < 0) {
1834 RemoveInputSource(isr);
1835 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1836 } else if (gotEof++ > 0) {
1837 RemoveInputSource(isr);
1838 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1844 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1845 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1846 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1847 SendToICS("date\n");
1848 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1851 /* added routine for printf style output to ics */
1852 void ics_printf(char *format, ...)
1854 char buffer[MSG_SIZ];
1857 va_start(args, format);
1858 vsnprintf(buffer, sizeof(buffer), format, args);
1859 buffer[sizeof(buffer)-1] = '\0';
1868 int count, outCount, outError;
1870 if (icsPR == NULL) return;
1873 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1874 if (outCount < count) {
1875 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1879 /* This is used for sending logon scripts to the ICS. Sending
1880 without a delay causes problems when using timestamp on ICC
1881 (at least on my machine). */
1883 SendToICSDelayed(s,msdelay)
1887 int count, outCount, outError;
1889 if (icsPR == NULL) return;
1892 if (appData.debugMode) {
1893 fprintf(debugFP, ">ICS: ");
1894 show_bytes(debugFP, s, count);
1895 fprintf(debugFP, "\n");
1897 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1899 if (outCount < count) {
1900 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1905 /* Remove all highlighting escape sequences in s
1906 Also deletes any suffix starting with '('
1909 StripHighlightAndTitle(s)
1912 static char retbuf[MSG_SIZ];
1915 while (*s != NULLCHAR) {
1916 while (*s == '\033') {
1917 while (*s != NULLCHAR && !isalpha(*s)) s++;
1918 if (*s != NULLCHAR) s++;
1920 while (*s != NULLCHAR && *s != '\033') {
1921 if (*s == '(' || *s == '[') {
1932 /* Remove all highlighting escape sequences in s */
1937 static char retbuf[MSG_SIZ];
1940 while (*s != NULLCHAR) {
1941 while (*s == '\033') {
1942 while (*s != NULLCHAR && !isalpha(*s)) s++;
1943 if (*s != NULLCHAR) s++;
1945 while (*s != NULLCHAR && *s != '\033') {
1953 char *variantNames[] = VARIANT_NAMES;
1958 return variantNames[v];
1962 /* Identify a variant from the strings the chess servers use or the
1963 PGN Variant tag names we use. */
1970 VariantClass v = VariantNormal;
1971 int i, found = FALSE;
1977 /* [HGM] skip over optional board-size prefixes */
1978 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1979 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1980 while( *e++ != '_');
1983 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1987 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1988 if (StrCaseStr(e, variantNames[i])) {
1989 v = (VariantClass) i;
1996 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1997 || StrCaseStr(e, "wild/fr")
1998 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1999 v = VariantFischeRandom;
2000 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2001 (i = 1, p = StrCaseStr(e, "w"))) {
2003 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2010 case 0: /* FICS only, actually */
2012 /* Castling legal even if K starts on d-file */
2013 v = VariantWildCastle;
2018 /* Castling illegal even if K & R happen to start in
2019 normal positions. */
2020 v = VariantNoCastle;
2033 /* Castling legal iff K & R start in normal positions */
2039 /* Special wilds for position setup; unclear what to do here */
2040 v = VariantLoadable;
2043 /* Bizarre ICC game */
2044 v = VariantTwoKings;
2047 v = VariantKriegspiel;
2053 v = VariantFischeRandom;
2056 v = VariantCrazyhouse;
2059 v = VariantBughouse;
2065 /* Not quite the same as FICS suicide! */
2066 v = VariantGiveaway;
2072 v = VariantShatranj;
2075 /* Temporary names for future ICC types. The name *will* change in
2076 the next xboard/WinBoard release after ICC defines it. */
2114 v = VariantCapablanca;
2117 v = VariantKnightmate;
2123 v = VariantCylinder;
2129 v = VariantCapaRandom;
2132 v = VariantBerolina;
2144 /* Found "wild" or "w" in the string but no number;
2145 must assume it's normal chess. */
2149 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2150 if( (len > MSG_SIZ) && appData.debugMode )
2151 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2153 DisplayError(buf, 0);
2159 if (appData.debugMode) {
2160 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2161 e, wnum, VariantName(v));
2166 static int leftover_start = 0, leftover_len = 0;
2167 char star_match[STAR_MATCH_N][MSG_SIZ];
2169 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2170 advance *index beyond it, and set leftover_start to the new value of
2171 *index; else return FALSE. If pattern contains the character '*', it
2172 matches any sequence of characters not containing '\r', '\n', or the
2173 character following the '*' (if any), and the matched sequence(s) are
2174 copied into star_match.
2177 looking_at(buf, index, pattern)
2182 char *bufp = &buf[*index], *patternp = pattern;
2184 char *matchp = star_match[0];
2187 if (*patternp == NULLCHAR) {
2188 *index = leftover_start = bufp - buf;
2192 if (*bufp == NULLCHAR) return FALSE;
2193 if (*patternp == '*') {
2194 if (*bufp == *(patternp + 1)) {
2196 matchp = star_match[++star_count];
2200 } else if (*bufp == '\n' || *bufp == '\r') {
2202 if (*patternp == NULLCHAR)
2207 *matchp++ = *bufp++;
2211 if (*patternp != *bufp) return FALSE;
2218 SendToPlayer(data, length)
2222 int error, outCount;
2223 outCount = OutputToProcess(NoProc, data, length, &error);
2224 if (outCount < length) {
2225 DisplayFatalError(_("Error writing to display"), error, 1);
2230 PackHolding(packed, holding)
2242 switch (runlength) {
2253 sprintf(q, "%d", runlength);
2265 /* Telnet protocol requests from the front end */
2267 TelnetRequest(ddww, option)
2268 unsigned char ddww, option;
2270 unsigned char msg[3];
2271 int outCount, outError;
2273 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2275 if (appData.debugMode) {
2276 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2292 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2301 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2304 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2309 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2311 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2318 if (!appData.icsActive) return;
2319 TelnetRequest(TN_DO, TN_ECHO);
2325 if (!appData.icsActive) return;
2326 TelnetRequest(TN_DONT, TN_ECHO);
2330 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2332 /* put the holdings sent to us by the server on the board holdings area */
2333 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2337 if(gameInfo.holdingsWidth < 2) return;
2338 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2339 return; // prevent overwriting by pre-board holdings
2341 if( (int)lowestPiece >= BlackPawn ) {
2344 holdingsStartRow = BOARD_HEIGHT-1;
2347 holdingsColumn = BOARD_WIDTH-1;
2348 countsColumn = BOARD_WIDTH-2;
2349 holdingsStartRow = 0;
2353 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2354 board[i][holdingsColumn] = EmptySquare;
2355 board[i][countsColumn] = (ChessSquare) 0;
2357 while( (p=*holdings++) != NULLCHAR ) {
2358 piece = CharToPiece( ToUpper(p) );
2359 if(piece == EmptySquare) continue;
2360 /*j = (int) piece - (int) WhitePawn;*/
2361 j = PieceToNumber(piece);
2362 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2363 if(j < 0) continue; /* should not happen */
2364 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2365 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2366 board[holdingsStartRow+j*direction][countsColumn]++;
2372 VariantSwitch(Board board, VariantClass newVariant)
2374 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2375 static Board oldBoard;
2377 startedFromPositionFile = FALSE;
2378 if(gameInfo.variant == newVariant) return;
2380 /* [HGM] This routine is called each time an assignment is made to
2381 * gameInfo.variant during a game, to make sure the board sizes
2382 * are set to match the new variant. If that means adding or deleting
2383 * holdings, we shift the playing board accordingly
2384 * This kludge is needed because in ICS observe mode, we get boards
2385 * of an ongoing game without knowing the variant, and learn about the
2386 * latter only later. This can be because of the move list we requested,
2387 * in which case the game history is refilled from the beginning anyway,
2388 * but also when receiving holdings of a crazyhouse game. In the latter
2389 * case we want to add those holdings to the already received position.
2393 if (appData.debugMode) {
2394 fprintf(debugFP, "Switch board from %s to %s\n",
2395 VariantName(gameInfo.variant), VariantName(newVariant));
2396 setbuf(debugFP, NULL);
2398 shuffleOpenings = 0; /* [HGM] shuffle */
2399 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2403 newWidth = 9; newHeight = 9;
2404 gameInfo.holdingsSize = 7;
2405 case VariantBughouse:
2406 case VariantCrazyhouse:
2407 newHoldingsWidth = 2; break;
2411 newHoldingsWidth = 2;
2412 gameInfo.holdingsSize = 8;
2415 case VariantCapablanca:
2416 case VariantCapaRandom:
2419 newHoldingsWidth = gameInfo.holdingsSize = 0;
2422 if(newWidth != gameInfo.boardWidth ||
2423 newHeight != gameInfo.boardHeight ||
2424 newHoldingsWidth != gameInfo.holdingsWidth ) {
2426 /* shift position to new playing area, if needed */
2427 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2428 for(i=0; i<BOARD_HEIGHT; i++)
2429 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2430 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2432 for(i=0; i<newHeight; i++) {
2433 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2434 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2436 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2437 for(i=0; i<BOARD_HEIGHT; i++)
2438 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2439 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2442 gameInfo.boardWidth = newWidth;
2443 gameInfo.boardHeight = newHeight;
2444 gameInfo.holdingsWidth = newHoldingsWidth;
2445 gameInfo.variant = newVariant;
2446 InitDrawingSizes(-2, 0);
2447 } else gameInfo.variant = newVariant;
2448 CopyBoard(oldBoard, board); // remember correctly formatted board
2449 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2450 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2453 static int loggedOn = FALSE;
2455 /*-- Game start info cache: --*/
2457 char gs_kind[MSG_SIZ];
2458 static char player1Name[128] = "";
2459 static char player2Name[128] = "";
2460 static char cont_seq[] = "\n\\ ";
2461 static int player1Rating = -1;
2462 static int player2Rating = -1;
2463 /*----------------------------*/
2465 ColorClass curColor = ColorNormal;
2466 int suppressKibitz = 0;
2469 Boolean soughtPending = FALSE;
2470 Boolean seekGraphUp;
2471 #define MAX_SEEK_ADS 200
2473 char *seekAdList[MAX_SEEK_ADS];
2474 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2475 float tcList[MAX_SEEK_ADS];
2476 char colorList[MAX_SEEK_ADS];
2477 int nrOfSeekAds = 0;
2478 int minRating = 1010, maxRating = 2800;
2479 int hMargin = 10, vMargin = 20, h, w;
2480 extern int squareSize, lineGap;
2485 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2486 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2487 if(r < minRating+100 && r >=0 ) r = minRating+100;
2488 if(r > maxRating) r = maxRating;
2489 if(tc < 1.) tc = 1.;
2490 if(tc > 95.) tc = 95.;
2491 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2492 y = ((double)r - minRating)/(maxRating - minRating)
2493 * (h-vMargin-squareSize/8-1) + vMargin;
2494 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2495 if(strstr(seekAdList[i], " u ")) color = 1;
2496 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2497 !strstr(seekAdList[i], "bullet") &&
2498 !strstr(seekAdList[i], "blitz") &&
2499 !strstr(seekAdList[i], "standard") ) color = 2;
2500 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2501 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2505 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2507 char buf[MSG_SIZ], *ext = "";
2508 VariantClass v = StringToVariant(type);
2509 if(strstr(type, "wild")) {
2510 ext = type + 4; // append wild number
2511 if(v == VariantFischeRandom) type = "chess960"; else
2512 if(v == VariantLoadable) type = "setup"; else
2513 type = VariantName(v);
2515 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2516 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2517 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2518 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2519 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2520 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2521 seekNrList[nrOfSeekAds] = nr;
2522 zList[nrOfSeekAds] = 0;
2523 seekAdList[nrOfSeekAds++] = StrSave(buf);
2524 if(plot) PlotSeekAd(nrOfSeekAds-1);
2531 int x = xList[i], y = yList[i], d=squareSize/4, k;
2532 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2533 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2534 // now replot every dot that overlapped
2535 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2536 int xx = xList[k], yy = yList[k];
2537 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2538 DrawSeekDot(xx, yy, colorList[k]);
2543 RemoveSeekAd(int nr)
2546 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2548 if(seekAdList[i]) free(seekAdList[i]);
2549 seekAdList[i] = seekAdList[--nrOfSeekAds];
2550 seekNrList[i] = seekNrList[nrOfSeekAds];
2551 ratingList[i] = ratingList[nrOfSeekAds];
2552 colorList[i] = colorList[nrOfSeekAds];
2553 tcList[i] = tcList[nrOfSeekAds];
2554 xList[i] = xList[nrOfSeekAds];
2555 yList[i] = yList[nrOfSeekAds];
2556 zList[i] = zList[nrOfSeekAds];
2557 seekAdList[nrOfSeekAds] = NULL;
2563 MatchSoughtLine(char *line)
2565 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2566 int nr, base, inc, u=0; char dummy;
2568 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2569 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2571 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2572 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2573 // match: compact and save the line
2574 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2584 if(!seekGraphUp) return FALSE;
2585 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2586 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2588 DrawSeekBackground(0, 0, w, h);
2589 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2590 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2591 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2592 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2594 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2597 snprintf(buf, MSG_SIZ, "%d", i);
2598 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2601 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2602 for(i=1; i<100; i+=(i<10?1:5)) {
2603 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2604 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2605 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2607 snprintf(buf, MSG_SIZ, "%d", i);
2608 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2611 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2615 int SeekGraphClick(ClickType click, int x, int y, int moving)
2617 static int lastDown = 0, displayed = 0, lastSecond;
2618 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2619 if(click == Release || moving) return FALSE;
2621 soughtPending = TRUE;
2622 SendToICS(ics_prefix);
2623 SendToICS("sought\n"); // should this be "sought all"?
2624 } else { // issue challenge based on clicked ad
2625 int dist = 10000; int i, closest = 0, second = 0;
2626 for(i=0; i<nrOfSeekAds; i++) {
2627 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2628 if(d < dist) { dist = d; closest = i; }
2629 second += (d - zList[i] < 120); // count in-range ads
2630 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2634 second = (second > 1);
2635 if(displayed != closest || second != lastSecond) {
2636 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2637 lastSecond = second; displayed = closest;
2639 if(click == Press) {
2640 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2643 } // on press 'hit', only show info
2644 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2645 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2646 SendToICS(ics_prefix);
2648 return TRUE; // let incoming board of started game pop down the graph
2649 } else if(click == Release) { // release 'miss' is ignored
2650 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2651 if(moving == 2) { // right up-click
2652 nrOfSeekAds = 0; // refresh graph
2653 soughtPending = TRUE;
2654 SendToICS(ics_prefix);
2655 SendToICS("sought\n"); // should this be "sought all"?
2658 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2659 // press miss or release hit 'pop down' seek graph
2660 seekGraphUp = FALSE;
2661 DrawPosition(TRUE, NULL);
2667 read_from_ics(isr, closure, data, count, error)
2674 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2675 #define STARTED_NONE 0
2676 #define STARTED_MOVES 1
2677 #define STARTED_BOARD 2
2678 #define STARTED_OBSERVE 3
2679 #define STARTED_HOLDINGS 4
2680 #define STARTED_CHATTER 5
2681 #define STARTED_COMMENT 6
2682 #define STARTED_MOVES_NOHIDE 7
2684 static int started = STARTED_NONE;
2685 static char parse[20000];
2686 static int parse_pos = 0;
2687 static char buf[BUF_SIZE + 1];
2688 static int firstTime = TRUE, intfSet = FALSE;
2689 static ColorClass prevColor = ColorNormal;
2690 static int savingComment = FALSE;
2691 static int cmatch = 0; // continuation sequence match
2698 int backup; /* [DM] For zippy color lines */
2700 char talker[MSG_SIZ]; // [HGM] chat
2703 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2705 if (appData.debugMode) {
2707 fprintf(debugFP, "<ICS: ");
2708 show_bytes(debugFP, data, count);
2709 fprintf(debugFP, "\n");
2713 if (appData.debugMode) { int f = forwardMostMove;
2714 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2715 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2716 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2719 /* If last read ended with a partial line that we couldn't parse,
2720 prepend it to the new read and try again. */
2721 if (leftover_len > 0) {
2722 for (i=0; i<leftover_len; i++)
2723 buf[i] = buf[leftover_start + i];
2726 /* copy new characters into the buffer */
2727 bp = buf + leftover_len;
2728 buf_len=leftover_len;
2729 for (i=0; i<count; i++)
2732 if (data[i] == '\r')
2735 // join lines split by ICS?
2736 if (!appData.noJoin)
2739 Joining just consists of finding matches against the
2740 continuation sequence, and discarding that sequence
2741 if found instead of copying it. So, until a match
2742 fails, there's nothing to do since it might be the
2743 complete sequence, and thus, something we don't want
2746 if (data[i] == cont_seq[cmatch])
2749 if (cmatch == strlen(cont_seq))
2751 cmatch = 0; // complete match. just reset the counter
2754 it's possible for the ICS to not include the space
2755 at the end of the last word, making our [correct]
2756 join operation fuse two separate words. the server
2757 does this when the space occurs at the width setting.
2759 if (!buf_len || buf[buf_len-1] != ' ')
2770 match failed, so we have to copy what matched before
2771 falling through and copying this character. In reality,
2772 this will only ever be just the newline character, but
2773 it doesn't hurt to be precise.
2775 strncpy(bp, cont_seq, cmatch);
2787 buf[buf_len] = NULLCHAR;
2788 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2793 while (i < buf_len) {
2794 /* Deal with part of the TELNET option negotiation
2795 protocol. We refuse to do anything beyond the
2796 defaults, except that we allow the WILL ECHO option,
2797 which ICS uses to turn off password echoing when we are
2798 directly connected to it. We reject this option
2799 if localLineEditing mode is on (always on in xboard)
2800 and we are talking to port 23, which might be a real
2801 telnet server that will try to keep WILL ECHO on permanently.
2803 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2804 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2805 unsigned char option;
2807 switch ((unsigned char) buf[++i]) {
2809 if (appData.debugMode)
2810 fprintf(debugFP, "\n<WILL ");
2811 switch (option = (unsigned char) buf[++i]) {
2813 if (appData.debugMode)
2814 fprintf(debugFP, "ECHO ");
2815 /* Reply only if this is a change, according
2816 to the protocol rules. */
2817 if (remoteEchoOption) break;
2818 if (appData.localLineEditing &&
2819 atoi(appData.icsPort) == TN_PORT) {
2820 TelnetRequest(TN_DONT, TN_ECHO);
2823 TelnetRequest(TN_DO, TN_ECHO);
2824 remoteEchoOption = TRUE;
2828 if (appData.debugMode)
2829 fprintf(debugFP, "%d ", option);
2830 /* Whatever this is, we don't want it. */
2831 TelnetRequest(TN_DONT, option);
2836 if (appData.debugMode)
2837 fprintf(debugFP, "\n<WONT ");
2838 switch (option = (unsigned char) buf[++i]) {
2840 if (appData.debugMode)
2841 fprintf(debugFP, "ECHO ");
2842 /* Reply only if this is a change, according
2843 to the protocol rules. */
2844 if (!remoteEchoOption) break;
2846 TelnetRequest(TN_DONT, TN_ECHO);
2847 remoteEchoOption = FALSE;
2850 if (appData.debugMode)
2851 fprintf(debugFP, "%d ", (unsigned char) option);
2852 /* Whatever this is, it must already be turned
2853 off, because we never agree to turn on
2854 anything non-default, so according to the
2855 protocol rules, we don't reply. */
2860 if (appData.debugMode)
2861 fprintf(debugFP, "\n<DO ");
2862 switch (option = (unsigned char) buf[++i]) {
2864 /* Whatever this is, we refuse to do it. */
2865 if (appData.debugMode)
2866 fprintf(debugFP, "%d ", option);
2867 TelnetRequest(TN_WONT, option);
2872 if (appData.debugMode)
2873 fprintf(debugFP, "\n<DONT ");
2874 switch (option = (unsigned char) buf[++i]) {
2876 if (appData.debugMode)
2877 fprintf(debugFP, "%d ", option);
2878 /* Whatever this is, we are already not doing
2879 it, because we never agree to do anything
2880 non-default, so according to the protocol
2881 rules, we don't reply. */
2886 if (appData.debugMode)
2887 fprintf(debugFP, "\n<IAC ");
2888 /* Doubled IAC; pass it through */
2892 if (appData.debugMode)
2893 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2894 /* Drop all other telnet commands on the floor */
2897 if (oldi > next_out)
2898 SendToPlayer(&buf[next_out], oldi - next_out);
2904 /* OK, this at least will *usually* work */
2905 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2909 if (loggedOn && !intfSet) {
2910 if (ics_type == ICS_ICC) {
2911 snprintf(str, MSG_SIZ,
2912 "/set-quietly interface %s\n/set-quietly style 12\n",
2914 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2915 strcat(str, "/set-2 51 1\n/set seek 1\n");
2916 } else if (ics_type == ICS_CHESSNET) {
2917 snprintf(str, MSG_SIZ, "/style 12\n");
2919 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2920 strcat(str, programVersion);
2921 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2922 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2923 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2925 strcat(str, "$iset nohighlight 1\n");
2927 strcat(str, "$iset lock 1\n$style 12\n");
2930 NotifyFrontendLogin();
2934 if (started == STARTED_COMMENT) {
2935 /* Accumulate characters in comment */
2936 parse[parse_pos++] = buf[i];
2937 if (buf[i] == '\n') {
2938 parse[parse_pos] = NULLCHAR;
2939 if(chattingPartner>=0) {
2941 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2942 OutputChatMessage(chattingPartner, mess);
2943 chattingPartner = -1;
2944 next_out = i+1; // [HGM] suppress printing in ICS window
2946 if(!suppressKibitz) // [HGM] kibitz
2947 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2948 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2949 int nrDigit = 0, nrAlph = 0, j;
2950 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2951 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2952 parse[parse_pos] = NULLCHAR;
2953 // try to be smart: if it does not look like search info, it should go to
2954 // ICS interaction window after all, not to engine-output window.
2955 for(j=0; j<parse_pos; j++) { // count letters and digits
2956 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2957 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2958 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2960 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2961 int depth=0; float score;
2962 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2963 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2964 pvInfoList[forwardMostMove-1].depth = depth;
2965 pvInfoList[forwardMostMove-1].score = 100*score;
2967 OutputKibitz(suppressKibitz, parse);
2970 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2971 SendToPlayer(tmp, strlen(tmp));
2973 next_out = i+1; // [HGM] suppress printing in ICS window
2975 started = STARTED_NONE;
2977 /* Don't match patterns against characters in comment */
2982 if (started == STARTED_CHATTER) {
2983 if (buf[i] != '\n') {
2984 /* Don't match patterns against characters in chatter */
2988 started = STARTED_NONE;
2989 if(suppressKibitz) next_out = i+1;
2992 /* Kludge to deal with rcmd protocol */
2993 if (firstTime && looking_at(buf, &i, "\001*")) {
2994 DisplayFatalError(&buf[1], 0, 1);
3000 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3003 if (appData.debugMode)
3004 fprintf(debugFP, "ics_type %d\n", ics_type);
3007 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3008 ics_type = ICS_FICS;
3010 if (appData.debugMode)
3011 fprintf(debugFP, "ics_type %d\n", ics_type);
3014 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3015 ics_type = ICS_CHESSNET;
3017 if (appData.debugMode)
3018 fprintf(debugFP, "ics_type %d\n", ics_type);
3023 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3024 looking_at(buf, &i, "Logging you in as \"*\"") ||
3025 looking_at(buf, &i, "will be \"*\""))) {
3026 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3030 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3032 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3033 DisplayIcsInteractionTitle(buf);
3034 have_set_title = TRUE;
3037 /* skip finger notes */
3038 if (started == STARTED_NONE &&
3039 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3040 (buf[i] == '1' && buf[i+1] == '0')) &&
3041 buf[i+2] == ':' && buf[i+3] == ' ') {
3042 started = STARTED_CHATTER;
3048 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3049 if(appData.seekGraph) {
3050 if(soughtPending && MatchSoughtLine(buf+i)) {
3051 i = strstr(buf+i, "rated") - buf;
3052 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3053 next_out = leftover_start = i;
3054 started = STARTED_CHATTER;
3055 suppressKibitz = TRUE;
3058 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3059 && looking_at(buf, &i, "* ads displayed")) {
3060 soughtPending = FALSE;
3065 if(appData.autoRefresh) {
3066 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3067 int s = (ics_type == ICS_ICC); // ICC format differs
3069 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3070 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3071 looking_at(buf, &i, "*% "); // eat prompt
3072 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3073 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3074 next_out = i; // suppress
3077 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3078 char *p = star_match[0];
3080 if(seekGraphUp) RemoveSeekAd(atoi(p));
3081 while(*p && *p++ != ' '); // next
3083 looking_at(buf, &i, "*% "); // eat prompt
3084 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3091 /* skip formula vars */
3092 if (started == STARTED_NONE &&
3093 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3094 started = STARTED_CHATTER;
3099 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3100 if (appData.autoKibitz && started == STARTED_NONE &&
3101 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3102 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3103 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3104 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3105 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3106 suppressKibitz = TRUE;
3107 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3109 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3110 && (gameMode == IcsPlayingWhite)) ||
3111 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3112 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3113 started = STARTED_CHATTER; // own kibitz we simply discard
3115 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3116 parse_pos = 0; parse[0] = NULLCHAR;
3117 savingComment = TRUE;
3118 suppressKibitz = gameMode != IcsObserving ? 2 :
3119 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3123 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3124 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3125 && atoi(star_match[0])) {
3126 // suppress the acknowledgements of our own autoKibitz
3128 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3129 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3130 SendToPlayer(star_match[0], strlen(star_match[0]));
3131 if(looking_at(buf, &i, "*% ")) // eat prompt
3132 suppressKibitz = FALSE;
3136 } // [HGM] kibitz: end of patch
3138 // [HGM] chat: intercept tells by users for which we have an open chat window
3140 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3141 looking_at(buf, &i, "* whispers:") ||
3142 looking_at(buf, &i, "* kibitzes:") ||
3143 looking_at(buf, &i, "* shouts:") ||
3144 looking_at(buf, &i, "* c-shouts:") ||
3145 looking_at(buf, &i, "--> * ") ||
3146 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3147 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3148 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3149 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3151 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3152 chattingPartner = -1;
3154 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3155 for(p=0; p<MAX_CHAT; p++) {
3156 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3157 talker[0] = '['; strcat(talker, "] ");
3158 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3159 chattingPartner = p; break;
3162 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3163 for(p=0; p<MAX_CHAT; p++) {
3164 if(!strcmp("kibitzes", chatPartner[p])) {
3165 talker[0] = '['; strcat(talker, "] ");
3166 chattingPartner = p; break;
3169 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3170 for(p=0; p<MAX_CHAT; p++) {
3171 if(!strcmp("whispers", chatPartner[p])) {
3172 talker[0] = '['; strcat(talker, "] ");
3173 chattingPartner = p; break;
3176 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3177 if(buf[i-8] == '-' && buf[i-3] == 't')
3178 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3179 if(!strcmp("c-shouts", chatPartner[p])) {
3180 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3181 chattingPartner = p; break;
3184 if(chattingPartner < 0)
3185 for(p=0; p<MAX_CHAT; p++) {
3186 if(!strcmp("shouts", chatPartner[p])) {
3187 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3188 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3189 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3190 chattingPartner = p; break;
3194 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3195 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3196 talker[0] = 0; Colorize(ColorTell, FALSE);
3197 chattingPartner = p; break;
3199 if(chattingPartner<0) i = oldi; else {
3200 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3201 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3202 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3203 started = STARTED_COMMENT;
3204 parse_pos = 0; parse[0] = NULLCHAR;
3205 savingComment = 3 + chattingPartner; // counts as TRUE
3206 suppressKibitz = TRUE;
3209 } // [HGM] chat: end of patch
3212 if (appData.zippyTalk || appData.zippyPlay) {
3213 /* [DM] Backup address for color zippy lines */
3215 if (loggedOn == TRUE)
3216 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3217 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3219 } // [DM] 'else { ' deleted
3221 /* Regular tells and says */
3222 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3223 looking_at(buf, &i, "* (your partner) tells you: ") ||
3224 looking_at(buf, &i, "* says: ") ||
3225 /* Don't color "message" or "messages" output */
3226 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3227 looking_at(buf, &i, "*. * at *:*: ") ||
3228 looking_at(buf, &i, "--* (*:*): ") ||
3229 /* Message notifications (same color as tells) */
3230 looking_at(buf, &i, "* has left a message ") ||
3231 looking_at(buf, &i, "* just sent you a message:\n") ||
3232 /* Whispers and kibitzes */
3233 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3234 looking_at(buf, &i, "* kibitzes: ") ||
3236 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3238 if (tkind == 1 && strchr(star_match[0], ':')) {
3239 /* Avoid "tells you:" spoofs in channels */
3242 if (star_match[0][0] == NULLCHAR ||
3243 strchr(star_match[0], ' ') ||
3244 (tkind == 3 && strchr(star_match[1], ' '))) {
3245 /* Reject bogus matches */
3248 if (appData.colorize) {
3249 if (oldi > next_out) {
3250 SendToPlayer(&buf[next_out], oldi - next_out);
3255 Colorize(ColorTell, FALSE);
3256 curColor = ColorTell;
3259 Colorize(ColorKibitz, FALSE);
3260 curColor = ColorKibitz;
3263 p = strrchr(star_match[1], '(');
3270 Colorize(ColorChannel1, FALSE);
3271 curColor = ColorChannel1;
3273 Colorize(ColorChannel, FALSE);
3274 curColor = ColorChannel;
3278 curColor = ColorNormal;
3282 if (started == STARTED_NONE && appData.autoComment &&
3283 (gameMode == IcsObserving ||
3284 gameMode == IcsPlayingWhite ||
3285 gameMode == IcsPlayingBlack)) {
3286 parse_pos = i - oldi;
3287 memcpy(parse, &buf[oldi], parse_pos);
3288 parse[parse_pos] = NULLCHAR;
3289 started = STARTED_COMMENT;
3290 savingComment = TRUE;
3292 started = STARTED_CHATTER;
3293 savingComment = FALSE;
3300 if (looking_at(buf, &i, "* s-shouts: ") ||
3301 looking_at(buf, &i, "* c-shouts: ")) {
3302 if (appData.colorize) {
3303 if (oldi > next_out) {
3304 SendToPlayer(&buf[next_out], oldi - next_out);
3307 Colorize(ColorSShout, FALSE);
3308 curColor = ColorSShout;
3311 started = STARTED_CHATTER;
3315 if (looking_at(buf, &i, "--->")) {
3320 if (looking_at(buf, &i, "* shouts: ") ||
3321 looking_at(buf, &i, "--> ")) {
3322 if (appData.colorize) {
3323 if (oldi > next_out) {
3324 SendToPlayer(&buf[next_out], oldi - next_out);
3327 Colorize(ColorShout, FALSE);
3328 curColor = ColorShout;
3331 started = STARTED_CHATTER;
3335 if (looking_at( buf, &i, "Challenge:")) {
3336 if (appData.colorize) {
3337 if (oldi > next_out) {
3338 SendToPlayer(&buf[next_out], oldi - next_out);
3341 Colorize(ColorChallenge, FALSE);
3342 curColor = ColorChallenge;
3348 if (looking_at(buf, &i, "* offers you") ||
3349 looking_at(buf, &i, "* offers to be") ||
3350 looking_at(buf, &i, "* would like to") ||
3351 looking_at(buf, &i, "* requests to") ||
3352 looking_at(buf, &i, "Your opponent offers") ||
3353 looking_at(buf, &i, "Your opponent requests")) {
3355 if (appData.colorize) {
3356 if (oldi > next_out) {
3357 SendToPlayer(&buf[next_out], oldi - next_out);
3360 Colorize(ColorRequest, FALSE);
3361 curColor = ColorRequest;
3366 if (looking_at(buf, &i, "* (*) seeking")) {
3367 if (appData.colorize) {
3368 if (oldi > next_out) {
3369 SendToPlayer(&buf[next_out], oldi - next_out);
3372 Colorize(ColorSeek, FALSE);
3373 curColor = ColorSeek;
3378 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3380 if (looking_at(buf, &i, "\\ ")) {
3381 if (prevColor != ColorNormal) {
3382 if (oldi > next_out) {
3383 SendToPlayer(&buf[next_out], oldi - next_out);
3386 Colorize(prevColor, TRUE);
3387 curColor = prevColor;
3389 if (savingComment) {
3390 parse_pos = i - oldi;
3391 memcpy(parse, &buf[oldi], parse_pos);
3392 parse[parse_pos] = NULLCHAR;
3393 started = STARTED_COMMENT;
3394 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3395 chattingPartner = savingComment - 3; // kludge to remember the box
3397 started = STARTED_CHATTER;
3402 if (looking_at(buf, &i, "Black Strength :") ||
3403 looking_at(buf, &i, "<<< style 10 board >>>") ||
3404 looking_at(buf, &i, "<10>") ||
3405 looking_at(buf, &i, "#@#")) {
3406 /* Wrong board style */
3408 SendToICS(ics_prefix);
3409 SendToICS("set style 12\n");
3410 SendToICS(ics_prefix);
3411 SendToICS("refresh\n");
3415 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3417 have_sent_ICS_logon = 1;
3421 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3422 (looking_at(buf, &i, "\n<12> ") ||
3423 looking_at(buf, &i, "<12> "))) {
3425 if (oldi > next_out) {
3426 SendToPlayer(&buf[next_out], oldi - next_out);
3429 started = STARTED_BOARD;
3434 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3435 looking_at(buf, &i, "<b1> ")) {
3436 if (oldi > next_out) {
3437 SendToPlayer(&buf[next_out], oldi - next_out);
3440 started = STARTED_HOLDINGS;
3445 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3447 /* Header for a move list -- first line */
3449 switch (ics_getting_history) {
3453 case BeginningOfGame:
3454 /* User typed "moves" or "oldmoves" while we
3455 were idle. Pretend we asked for these
3456 moves and soak them up so user can step
3457 through them and/or save them.
3460 gameMode = IcsObserving;
3463 ics_getting_history = H_GOT_UNREQ_HEADER;
3465 case EditGame: /*?*/
3466 case EditPosition: /*?*/
3467 /* Should above feature work in these modes too? */
3468 /* For now it doesn't */
3469 ics_getting_history = H_GOT_UNWANTED_HEADER;
3472 ics_getting_history = H_GOT_UNWANTED_HEADER;
3477 /* Is this the right one? */
3478 if (gameInfo.white && gameInfo.black &&
3479 strcmp(gameInfo.white, star_match[0]) == 0 &&
3480 strcmp(gameInfo.black, star_match[2]) == 0) {
3482 ics_getting_history = H_GOT_REQ_HEADER;
3485 case H_GOT_REQ_HEADER:
3486 case H_GOT_UNREQ_HEADER:
3487 case H_GOT_UNWANTED_HEADER:
3488 case H_GETTING_MOVES:
3489 /* Should not happen */
3490 DisplayError(_("Error gathering move list: two headers"), 0);
3491 ics_getting_history = H_FALSE;
3495 /* Save player ratings into gameInfo if needed */
3496 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3497 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3498 (gameInfo.whiteRating == -1 ||
3499 gameInfo.blackRating == -1)) {
3501 gameInfo.whiteRating = string_to_rating(star_match[1]);
3502 gameInfo.blackRating = string_to_rating(star_match[3]);
3503 if (appData.debugMode)
3504 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3505 gameInfo.whiteRating, gameInfo.blackRating);
3510 if (looking_at(buf, &i,
3511 "* * match, initial time: * minute*, increment: * second")) {
3512 /* Header for a move list -- second line */
3513 /* Initial board will follow if this is a wild game */
3514 if (gameInfo.event != NULL) free(gameInfo.event);
3515 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3516 gameInfo.event = StrSave(str);
3517 /* [HGM] we switched variant. Translate boards if needed. */
3518 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3522 if (looking_at(buf, &i, "Move ")) {
3523 /* Beginning of a move list */
3524 switch (ics_getting_history) {
3526 /* Normally should not happen */
3527 /* Maybe user hit reset while we were parsing */
3530 /* Happens if we are ignoring a move list that is not
3531 * the one we just requested. Common if the user
3532 * tries to observe two games without turning off
3535 case H_GETTING_MOVES:
3536 /* Should not happen */
3537 DisplayError(_("Error gathering move list: nested"), 0);
3538 ics_getting_history = H_FALSE;
3540 case H_GOT_REQ_HEADER:
3541 ics_getting_history = H_GETTING_MOVES;
3542 started = STARTED_MOVES;
3544 if (oldi > next_out) {
3545 SendToPlayer(&buf[next_out], oldi - next_out);
3548 case H_GOT_UNREQ_HEADER:
3549 ics_getting_history = H_GETTING_MOVES;
3550 started = STARTED_MOVES_NOHIDE;
3553 case H_GOT_UNWANTED_HEADER:
3554 ics_getting_history = H_FALSE;
3560 if (looking_at(buf, &i, "% ") ||
3561 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3562 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3563 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3564 soughtPending = FALSE;
3568 if(suppressKibitz) next_out = i;
3569 savingComment = FALSE;
3573 case STARTED_MOVES_NOHIDE:
3574 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3575 parse[parse_pos + i - oldi] = NULLCHAR;
3576 ParseGameHistory(parse);
3578 if (appData.zippyPlay && first.initDone) {
3579 FeedMovesToProgram(&first, forwardMostMove);
3580 if (gameMode == IcsPlayingWhite) {
3581 if (WhiteOnMove(forwardMostMove)) {
3582 if (first.sendTime) {
3583 if (first.useColors) {
3584 SendToProgram("black\n", &first);
3586 SendTimeRemaining(&first, TRUE);
3588 if (first.useColors) {
3589 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3591 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3592 first.maybeThinking = TRUE;
3594 if (first.usePlayother) {
3595 if (first.sendTime) {
3596 SendTimeRemaining(&first, TRUE);
3598 SendToProgram("playother\n", &first);
3604 } else if (gameMode == IcsPlayingBlack) {
3605 if (!WhiteOnMove(forwardMostMove)) {
3606 if (first.sendTime) {
3607 if (first.useColors) {
3608 SendToProgram("white\n", &first);
3610 SendTimeRemaining(&first, FALSE);
3612 if (first.useColors) {
3613 SendToProgram("black\n", &first);
3615 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3616 first.maybeThinking = TRUE;
3618 if (first.usePlayother) {
3619 if (first.sendTime) {
3620 SendTimeRemaining(&first, FALSE);
3622 SendToProgram("playother\n", &first);
3631 if (gameMode == IcsObserving && ics_gamenum == -1) {
3632 /* Moves came from oldmoves or moves command
3633 while we weren't doing anything else.
3635 currentMove = forwardMostMove;
3636 ClearHighlights();/*!!could figure this out*/
3637 flipView = appData.flipView;
3638 DrawPosition(TRUE, boards[currentMove]);
3639 DisplayBothClocks();
3640 snprintf(str, MSG_SIZ, "%s vs. %s",
3641 gameInfo.white, gameInfo.black);
3645 /* Moves were history of an active game */
3646 if (gameInfo.resultDetails != NULL) {
3647 free(gameInfo.resultDetails);
3648 gameInfo.resultDetails = NULL;
3651 HistorySet(parseList, backwardMostMove,
3652 forwardMostMove, currentMove-1);
3653 DisplayMove(currentMove - 1);
3654 if (started == STARTED_MOVES) next_out = i;
3655 started = STARTED_NONE;
3656 ics_getting_history = H_FALSE;
3659 case STARTED_OBSERVE:
3660 started = STARTED_NONE;
3661 SendToICS(ics_prefix);
3662 SendToICS("refresh\n");
3668 if(bookHit) { // [HGM] book: simulate book reply
3669 static char bookMove[MSG_SIZ]; // a bit generous?
3671 programStats.nodes = programStats.depth = programStats.time =
3672 programStats.score = programStats.got_only_move = 0;
3673 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3675 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3676 strcat(bookMove, bookHit);
3677 HandleMachineMove(bookMove, &first);
3682 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3683 started == STARTED_HOLDINGS ||
3684 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3685 /* Accumulate characters in move list or board */
3686 parse[parse_pos++] = buf[i];
3689 /* Start of game messages. Mostly we detect start of game
3690 when the first board image arrives. On some versions
3691 of the ICS, though, we need to do a "refresh" after starting
3692 to observe in order to get the current board right away. */
3693 if (looking_at(buf, &i, "Adding game * to observation list")) {
3694 started = STARTED_OBSERVE;
3698 /* Handle auto-observe */
3699 if (appData.autoObserve &&
3700 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3701 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3703 /* Choose the player that was highlighted, if any. */
3704 if (star_match[0][0] == '\033' ||
3705 star_match[1][0] != '\033') {
3706 player = star_match[0];
3708 player = star_match[2];
3710 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3711 ics_prefix, StripHighlightAndTitle(player));
3714 /* Save ratings from notify string */
3715 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3716 player1Rating = string_to_rating(star_match[1]);
3717 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3718 player2Rating = string_to_rating(star_match[3]);
3720 if (appData.debugMode)
3722 "Ratings from 'Game notification:' %s %d, %s %d\n",
3723 player1Name, player1Rating,
3724 player2Name, player2Rating);
3729 /* Deal with automatic examine mode after a game,
3730 and with IcsObserving -> IcsExamining transition */
3731 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3732 looking_at(buf, &i, "has made you an examiner of game *")) {
3734 int gamenum = atoi(star_match[0]);
3735 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3736 gamenum == ics_gamenum) {
3737 /* We were already playing or observing this game;
3738 no need to refetch history */
3739 gameMode = IcsExamining;
3741 pauseExamForwardMostMove = forwardMostMove;
3742 } else if (currentMove < forwardMostMove) {
3743 ForwardInner(forwardMostMove);
3746 /* I don't think this case really can happen */
3747 SendToICS(ics_prefix);
3748 SendToICS("refresh\n");
3753 /* Error messages */
3754 // if (ics_user_moved) {
3755 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3756 if (looking_at(buf, &i, "Illegal move") ||
3757 looking_at(buf, &i, "Not a legal move") ||
3758 looking_at(buf, &i, "Your king is in check") ||
3759 looking_at(buf, &i, "It isn't your turn") ||
3760 looking_at(buf, &i, "It is not your move")) {
3762 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3763 currentMove = forwardMostMove-1;
3764 DisplayMove(currentMove - 1); /* before DMError */
3765 DrawPosition(FALSE, boards[currentMove]);
3766 SwitchClocks(forwardMostMove-1); // [HGM] race
3767 DisplayBothClocks();
3769 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3775 if (looking_at(buf, &i, "still have time") ||
3776 looking_at(buf, &i, "not out of time") ||
3777 looking_at(buf, &i, "either player is out of time") ||
3778 looking_at(buf, &i, "has timeseal; checking")) {
3779 /* We must have called his flag a little too soon */
3780 whiteFlag = blackFlag = FALSE;
3784 if (looking_at(buf, &i, "added * seconds to") ||
3785 looking_at(buf, &i, "seconds were added to")) {
3786 /* Update the clocks */
3787 SendToICS(ics_prefix);
3788 SendToICS("refresh\n");
3792 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3793 ics_clock_paused = TRUE;
3798 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3799 ics_clock_paused = FALSE;
3804 /* Grab player ratings from the Creating: message.
3805 Note we have to check for the special case when
3806 the ICS inserts things like [white] or [black]. */
3807 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3808 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3810 0 player 1 name (not necessarily white)
3812 2 empty, white, or black (IGNORED)
3813 3 player 2 name (not necessarily black)
3816 The names/ratings are sorted out when the game
3817 actually starts (below).
3819 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3820 player1Rating = string_to_rating(star_match[1]);
3821 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3822 player2Rating = string_to_rating(star_match[4]);
3824 if (appData.debugMode)
3826 "Ratings from 'Creating:' %s %d, %s %d\n",
3827 player1Name, player1Rating,
3828 player2Name, player2Rating);
3833 /* Improved generic start/end-of-game messages */
3834 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3835 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3836 /* If tkind == 0: */
3837 /* star_match[0] is the game number */
3838 /* [1] is the white player's name */
3839 /* [2] is the black player's name */
3840 /* For end-of-game: */
3841 /* [3] is the reason for the game end */
3842 /* [4] is a PGN end game-token, preceded by " " */
3843 /* For start-of-game: */
3844 /* [3] begins with "Creating" or "Continuing" */
3845 /* [4] is " *" or empty (don't care). */
3846 int gamenum = atoi(star_match[0]);
3847 char *whitename, *blackname, *why, *endtoken;
3848 ChessMove endtype = EndOfFile;
3851 whitename = star_match[1];
3852 blackname = star_match[2];
3853 why = star_match[3];
3854 endtoken = star_match[4];
3856 whitename = star_match[1];
3857 blackname = star_match[3];
3858 why = star_match[5];
3859 endtoken = star_match[6];
3862 /* Game start messages */
3863 if (strncmp(why, "Creating ", 9) == 0 ||
3864 strncmp(why, "Continuing ", 11) == 0) {
3865 gs_gamenum = gamenum;
3866 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3867 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3869 if (appData.zippyPlay) {
3870 ZippyGameStart(whitename, blackname);
3873 partnerBoardValid = FALSE; // [HGM] bughouse
3877 /* Game end messages */
3878 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3879 ics_gamenum != gamenum) {
3882 while (endtoken[0] == ' ') endtoken++;
3883 switch (endtoken[0]) {
3886 endtype = GameUnfinished;
3889 endtype = BlackWins;
3892 if (endtoken[1] == '/')
3893 endtype = GameIsDrawn;
3895 endtype = WhiteWins;
3898 GameEnds(endtype, why, GE_ICS);
3900 if (appData.zippyPlay && first.initDone) {
3901 ZippyGameEnd(endtype, why);
3902 if (first.pr == NULL) {
3903 /* Start the next process early so that we'll
3904 be ready for the next challenge */
3905 StartChessProgram(&first);
3907 /* Send "new" early, in case this command takes
3908 a long time to finish, so that we'll be ready
3909 for the next challenge. */
3910 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3914 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3918 if (looking_at(buf, &i, "Removing game * from observation") ||
3919 looking_at(buf, &i, "no longer observing game *") ||
3920 looking_at(buf, &i, "Game * (*) has no examiners")) {
3921 if (gameMode == IcsObserving &&
3922 atoi(star_match[0]) == ics_gamenum)
3924 /* icsEngineAnalyze */
3925 if (appData.icsEngineAnalyze) {
3932 ics_user_moved = FALSE;
3937 if (looking_at(buf, &i, "no longer examining game *")) {
3938 if (gameMode == IcsExamining &&
3939 atoi(star_match[0]) == ics_gamenum)
3943 ics_user_moved = FALSE;
3948 /* Advance leftover_start past any newlines we find,
3949 so only partial lines can get reparsed */
3950 if (looking_at(buf, &i, "\n")) {
3951 prevColor = curColor;
3952 if (curColor != ColorNormal) {
3953 if (oldi > next_out) {
3954 SendToPlayer(&buf[next_out], oldi - next_out);
3957 Colorize(ColorNormal, FALSE);
3958 curColor = ColorNormal;
3960 if (started == STARTED_BOARD) {
3961 started = STARTED_NONE;
3962 parse[parse_pos] = NULLCHAR;
3963 ParseBoard12(parse);
3966 /* Send premove here */
3967 if (appData.premove) {
3969 if (currentMove == 0 &&
3970 gameMode == IcsPlayingWhite &&
3971 appData.premoveWhite) {
3972 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3973 if (appData.debugMode)
3974 fprintf(debugFP, "Sending premove:\n");
3976 } else if (currentMove == 1 &&
3977 gameMode == IcsPlayingBlack &&
3978 appData.premoveBlack) {
3979 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3980 if (appData.debugMode)
3981 fprintf(debugFP, "Sending premove:\n");
3983 } else if (gotPremove) {
3985 ClearPremoveHighlights();
3986 if (appData.debugMode)
3987 fprintf(debugFP, "Sending premove:\n");
3988 UserMoveEvent(premoveFromX, premoveFromY,
3989 premoveToX, premoveToY,
3994 /* Usually suppress following prompt */
3995 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3996 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3997 if (looking_at(buf, &i, "*% ")) {
3998 savingComment = FALSE;
4003 } else if (started == STARTED_HOLDINGS) {
4005 char new_piece[MSG_SIZ];
4006 started = STARTED_NONE;
4007 parse[parse_pos] = NULLCHAR;
4008 if (appData.debugMode)
4009 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4010 parse, currentMove);
4011 if (sscanf(parse, " game %d", &gamenum) == 1) {
4012 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4013 if (gameInfo.variant == VariantNormal) {
4014 /* [HGM] We seem to switch variant during a game!
4015 * Presumably no holdings were displayed, so we have
4016 * to move the position two files to the right to
4017 * create room for them!
4019 VariantClass newVariant;
4020 switch(gameInfo.boardWidth) { // base guess on board width
4021 case 9: newVariant = VariantShogi; break;
4022 case 10: newVariant = VariantGreat; break;
4023 default: newVariant = VariantCrazyhouse; break;
4025 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4026 /* Get a move list just to see the header, which
4027 will tell us whether this is really bug or zh */
4028 if (ics_getting_history == H_FALSE) {
4029 ics_getting_history = H_REQUESTED;
4030 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4034 new_piece[0] = NULLCHAR;
4035 sscanf(parse, "game %d white [%s black [%s <- %s",
4036 &gamenum, white_holding, black_holding,
4038 white_holding[strlen(white_holding)-1] = NULLCHAR;
4039 black_holding[strlen(black_holding)-1] = NULLCHAR;
4040 /* [HGM] copy holdings to board holdings area */
4041 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4042 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4043 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4045 if (appData.zippyPlay && first.initDone) {
4046 ZippyHoldings(white_holding, black_holding,
4050 if (tinyLayout || smallLayout) {
4051 char wh[16], bh[16];
4052 PackHolding(wh, white_holding);
4053 PackHolding(bh, black_holding);
4054 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4055 gameInfo.white, gameInfo.black);
4057 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4058 gameInfo.white, white_holding,
4059 gameInfo.black, black_holding);
4061 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4062 DrawPosition(FALSE, boards[currentMove]);
4064 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4065 sscanf(parse, "game %d white [%s black [%s <- %s",
4066 &gamenum, white_holding, black_holding,
4068 white_holding[strlen(white_holding)-1] = NULLCHAR;
4069 black_holding[strlen(black_holding)-1] = NULLCHAR;
4070 /* [HGM] copy holdings to partner-board holdings area */
4071 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4072 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4073 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4074 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4075 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4078 /* Suppress following prompt */
4079 if (looking_at(buf, &i, "*% ")) {
4080 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4081 savingComment = FALSE;
4089 i++; /* skip unparsed character and loop back */
4092 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4093 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4094 // SendToPlayer(&buf[next_out], i - next_out);
4095 started != STARTED_HOLDINGS && leftover_start > next_out) {
4096 SendToPlayer(&buf[next_out], leftover_start - next_out);
4100 leftover_len = buf_len - leftover_start;
4101 /* if buffer ends with something we couldn't parse,
4102 reparse it after appending the next read */
4104 } else if (count == 0) {
4105 RemoveInputSource(isr);
4106 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4108 DisplayFatalError(_("Error reading from ICS"), error, 1);
4113 /* Board style 12 looks like this:
4115 <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
4117 * The "<12> " is stripped before it gets to this routine. The two
4118 * trailing 0's (flip state and clock ticking) are later addition, and
4119 * some chess servers may not have them, or may have only the first.
4120 * Additional trailing fields may be added in the future.
4123 #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"
4125 #define RELATION_OBSERVING_PLAYED 0
4126 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4127 #define RELATION_PLAYING_MYMOVE 1
4128 #define RELATION_PLAYING_NOTMYMOVE -1
4129 #define RELATION_EXAMINING 2
4130 #define RELATION_ISOLATED_BOARD -3
4131 #define RELATION_STARTING_POSITION -4 /* FICS only */
4134 ParseBoard12(string)
4137 GameMode newGameMode;
4138 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4139 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4140 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4141 char to_play, board_chars[200];
4142 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4143 char black[32], white[32];
4145 int prevMove = currentMove;
4148 int fromX, fromY, toX, toY;
4150 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4151 char *bookHit = NULL; // [HGM] book
4152 Boolean weird = FALSE, reqFlag = FALSE;
4154 fromX = fromY = toX = toY = -1;
4158 if (appData.debugMode)
4159 fprintf(debugFP, _("Parsing board: %s\n"), string);
4161 move_str[0] = NULLCHAR;
4162 elapsed_time[0] = NULLCHAR;
4163 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4165 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4166 if(string[i] == ' ') { ranks++; files = 0; }
4168 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4171 for(j = 0; j <i; j++) board_chars[j] = string[j];
4172 board_chars[i] = '\0';
4175 n = sscanf(string, PATTERN, &to_play, &double_push,
4176 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4177 &gamenum, white, black, &relation, &basetime, &increment,
4178 &white_stren, &black_stren, &white_time, &black_time,
4179 &moveNum, str, elapsed_time, move_str, &ics_flip,
4183 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4184 DisplayError(str, 0);
4188 /* Convert the move number to internal form */
4189 moveNum = (moveNum - 1) * 2;
4190 if (to_play == 'B') moveNum++;
4191 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4192 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4198 case RELATION_OBSERVING_PLAYED:
4199 case RELATION_OBSERVING_STATIC:
4200 if (gamenum == -1) {
4201 /* Old ICC buglet */
4202 relation = RELATION_OBSERVING_STATIC;
4204 newGameMode = IcsObserving;
4206 case RELATION_PLAYING_MYMOVE:
4207 case RELATION_PLAYING_NOTMYMOVE:
4209 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4210 IcsPlayingWhite : IcsPlayingBlack;
4212 case RELATION_EXAMINING:
4213 newGameMode = IcsExamining;
4215 case RELATION_ISOLATED_BOARD:
4217 /* Just display this board. If user was doing something else,
4218 we will forget about it until the next board comes. */
4219 newGameMode = IcsIdle;
4221 case RELATION_STARTING_POSITION:
4222 newGameMode = gameMode;
4226 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4227 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4228 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4230 for (k = 0; k < ranks; k++) {
4231 for (j = 0; j < files; j++)
4232 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4233 if(gameInfo.holdingsWidth > 1) {
4234 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4235 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4238 CopyBoard(partnerBoard, board);
4239 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4240 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4241 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4242 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4243 if(toSqr = strchr(str, '-')) {
4244 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4245 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4246 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4247 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4248 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4249 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4250 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4251 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4252 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4253 DisplayMessage(partnerStatus, "");
4254 partnerBoardValid = TRUE;
4258 /* Modify behavior for initial board display on move listing
4261 switch (ics_getting_history) {
4265 case H_GOT_REQ_HEADER:
4266 case H_GOT_UNREQ_HEADER:
4267 /* This is the initial position of the current game */
4268 gamenum = ics_gamenum;
4269 moveNum = 0; /* old ICS bug workaround */
4270 if (to_play == 'B') {
4271 startedFromSetupPosition = TRUE;
4272 blackPlaysFirst = TRUE;
4274 if (forwardMostMove == 0) forwardMostMove = 1;
4275 if (backwardMostMove == 0) backwardMostMove = 1;
4276 if (currentMove == 0) currentMove = 1;
4278 newGameMode = gameMode;
4279 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4281 case H_GOT_UNWANTED_HEADER:
4282 /* This is an initial board that we don't want */
4284 case H_GETTING_MOVES:
4285 /* Should not happen */
4286 DisplayError(_("Error gathering move list: extra board"), 0);
4287 ics_getting_history = H_FALSE;
4291 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4292 weird && (int)gameInfo.variant < (int)VariantShogi) {
4293 /* [HGM] We seem to have switched variant unexpectedly
4294 * Try to guess new variant from board size
4296 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4297 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4298 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4299 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4300 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4301 if(!weird) newVariant = VariantNormal;
4302 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4303 /* Get a move list just to see the header, which
4304 will tell us whether this is really bug or zh */
4305 if (ics_getting_history == H_FALSE) {
4306 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4307 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4312 /* Take action if this is the first board of a new game, or of a
4313 different game than is currently being displayed. */
4314 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4315 relation == RELATION_ISOLATED_BOARD) {
4317 /* Forget the old game and get the history (if any) of the new one */
4318 if (gameMode != BeginningOfGame) {
4322 if (appData.autoRaiseBoard) BoardToTop();
4324 if (gamenum == -1) {
4325 newGameMode = IcsIdle;
4326 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4327 appData.getMoveList && !reqFlag) {
4328 /* Need to get game history */
4329 ics_getting_history = H_REQUESTED;
4330 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4334 /* Initially flip the board to have black on the bottom if playing
4335 black or if the ICS flip flag is set, but let the user change
4336 it with the Flip View button. */
4337 flipView = appData.autoFlipView ?
4338 (newGameMode == IcsPlayingBlack) || ics_flip :
4341 /* Done with values from previous mode; copy in new ones */
4342 gameMode = newGameMode;
4344 ics_gamenum = gamenum;
4345 if (gamenum == gs_gamenum) {
4346 int klen = strlen(gs_kind);
4347 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4348 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4349 gameInfo.event = StrSave(str);
4351 gameInfo.event = StrSave("ICS game");
4353 gameInfo.site = StrSave(appData.icsHost);
4354 gameInfo.date = PGNDate();
4355 gameInfo.round = StrSave("-");
4356 gameInfo.white = StrSave(white);
4357 gameInfo.black = StrSave(black);
4358 timeControl = basetime * 60 * 1000;
4360 timeIncrement = increment * 1000;
4361 movesPerSession = 0;
4362 gameInfo.timeControl = TimeControlTagValue();
4363 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4364 if (appData.debugMode) {
4365 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4366 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4367 setbuf(debugFP, NULL);
4370 gameInfo.outOfBook = NULL;
4372 /* Do we have the ratings? */
4373 if (strcmp(player1Name, white) == 0 &&
4374 strcmp(player2Name, black) == 0) {
4375 if (appData.debugMode)
4376 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4377 player1Rating, player2Rating);
4378 gameInfo.whiteRating = player1Rating;
4379 gameInfo.blackRating = player2Rating;
4380 } else if (strcmp(player2Name, white) == 0 &&
4381 strcmp(player1Name, black) == 0) {
4382 if (appData.debugMode)
4383 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4384 player2Rating, player1Rating);
4385 gameInfo.whiteRating = player2Rating;
4386 gameInfo.blackRating = player1Rating;
4388 player1Name[0] = player2Name[0] = NULLCHAR;
4390 /* Silence shouts if requested */
4391 if (appData.quietPlay &&
4392 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4393 SendToICS(ics_prefix);
4394 SendToICS("set shout 0\n");
4398 /* Deal with midgame name changes */
4400 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4401 if (gameInfo.white) free(gameInfo.white);
4402 gameInfo.white = StrSave(white);
4404 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4405 if (gameInfo.black) free(gameInfo.black);
4406 gameInfo.black = StrSave(black);
4410 /* Throw away game result if anything actually changes in examine mode */
4411 if (gameMode == IcsExamining && !newGame) {
4412 gameInfo.result = GameUnfinished;
4413 if (gameInfo.resultDetails != NULL) {
4414 free(gameInfo.resultDetails);
4415 gameInfo.resultDetails = NULL;
4419 /* In pausing && IcsExamining mode, we ignore boards coming
4420 in if they are in a different variation than we are. */
4421 if (pauseExamInvalid) return;
4422 if (pausing && gameMode == IcsExamining) {
4423 if (moveNum <= pauseExamForwardMostMove) {
4424 pauseExamInvalid = TRUE;
4425 forwardMostMove = pauseExamForwardMostMove;
4430 if (appData.debugMode) {
4431 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4433 /* Parse the board */
4434 for (k = 0; k < ranks; k++) {
4435 for (j = 0; j < files; j++)
4436 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4437 if(gameInfo.holdingsWidth > 1) {
4438 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4439 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4442 CopyBoard(boards[moveNum], board);
4443 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4445 startedFromSetupPosition =
4446 !CompareBoards(board, initialPosition);
4447 if(startedFromSetupPosition)
4448 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4451 /* [HGM] Set castling rights. Take the outermost Rooks,
4452 to make it also work for FRC opening positions. Note that board12
4453 is really defective for later FRC positions, as it has no way to
4454 indicate which Rook can castle if they are on the same side of King.
4455 For the initial position we grant rights to the outermost Rooks,
4456 and remember thos rights, and we then copy them on positions
4457 later in an FRC game. This means WB might not recognize castlings with
4458 Rooks that have moved back to their original position as illegal,
4459 but in ICS mode that is not its job anyway.
4461 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4462 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4464 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4465 if(board[0][i] == WhiteRook) j = i;
4466 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4467 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4468 if(board[0][i] == WhiteRook) j = i;
4469 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4470 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4471 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4472 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4473 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4474 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4475 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4477 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4478 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4479 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4480 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4481 if(board[BOARD_HEIGHT-1][k] == bKing)
4482 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4483 if(gameInfo.variant == VariantTwoKings) {
4484 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4485 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4486 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4489 r = boards[moveNum][CASTLING][0] = initialRights[0];
4490 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4491 r = boards[moveNum][CASTLING][1] = initialRights[1];
4492 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4493 r = boards[moveNum][CASTLING][3] = initialRights[3];
4494 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4495 r = boards[moveNum][CASTLING][4] = initialRights[4];
4496 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4497 /* wildcastle kludge: always assume King has rights */
4498 r = boards[moveNum][CASTLING][2] = initialRights[2];
4499 r = boards[moveNum][CASTLING][5] = initialRights[5];
4501 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4502 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4505 if (ics_getting_history == H_GOT_REQ_HEADER ||
4506 ics_getting_history == H_GOT_UNREQ_HEADER) {
4507 /* This was an initial position from a move list, not
4508 the current position */
4512 /* Update currentMove and known move number limits */
4513 newMove = newGame || moveNum > forwardMostMove;
4516 forwardMostMove = backwardMostMove = currentMove = moveNum;
4517 if (gameMode == IcsExamining && moveNum == 0) {
4518 /* Workaround for ICS limitation: we are not told the wild
4519 type when starting to examine a game. But if we ask for
4520 the move list, the move list header will tell us */
4521 ics_getting_history = H_REQUESTED;
4522 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4525 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4526 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4528 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4529 /* [HGM] applied this also to an engine that is silently watching */
4530 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4531 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4532 gameInfo.variant == currentlyInitializedVariant) {
4533 takeback = forwardMostMove - moveNum;
4534 for (i = 0; i < takeback; i++) {
4535 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4536 SendToProgram("undo\n", &first);
4541 forwardMostMove = moveNum;
4542 if (!pausing || currentMove > forwardMostMove)
4543 currentMove = forwardMostMove;
4545 /* New part of history that is not contiguous with old part */
4546 if (pausing && gameMode == IcsExamining) {
4547 pauseExamInvalid = TRUE;
4548 forwardMostMove = pauseExamForwardMostMove;
4551 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4553 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4554 // [HGM] when we will receive the move list we now request, it will be
4555 // fed to the engine from the first move on. So if the engine is not
4556 // in the initial position now, bring it there.
4557 InitChessProgram(&first, 0);
4560 ics_getting_history = H_REQUESTED;
4561 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4564 forwardMostMove = backwardMostMove = currentMove = moveNum;
4567 /* Update the clocks */
4568 if (strchr(elapsed_time, '.')) {
4570 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4571 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4573 /* Time is in seconds */
4574 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4575 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4580 if (appData.zippyPlay && newGame &&
4581 gameMode != IcsObserving && gameMode != IcsIdle &&
4582 gameMode != IcsExamining)
4583 ZippyFirstBoard(moveNum, basetime, increment);
4586 /* Put the move on the move list, first converting
4587 to canonical algebraic form. */
4589 if (appData.debugMode) {
4590 if (appData.debugMode) { int f = forwardMostMove;
4591 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4592 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4593 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4595 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4596 fprintf(debugFP, "moveNum = %d\n", moveNum);
4597 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4598 setbuf(debugFP, NULL);
4600 if (moveNum <= backwardMostMove) {
4601 /* We don't know what the board looked like before
4603 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4604 strcat(parseList[moveNum - 1], " ");
4605 strcat(parseList[moveNum - 1], elapsed_time);
4606 moveList[moveNum - 1][0] = NULLCHAR;
4607 } else if (strcmp(move_str, "none") == 0) {
4608 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4609 /* Again, we don't know what the board looked like;
4610 this is really the start of the game. */
4611 parseList[moveNum - 1][0] = NULLCHAR;
4612 moveList[moveNum - 1][0] = NULLCHAR;
4613 backwardMostMove = moveNum;
4614 startedFromSetupPosition = TRUE;
4615 fromX = fromY = toX = toY = -1;
4617 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4618 // So we parse the long-algebraic move string in stead of the SAN move
4619 int valid; char buf[MSG_SIZ], *prom;
4621 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4622 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4623 // str looks something like "Q/a1-a2"; kill the slash
4625 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4626 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4627 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4628 strcat(buf, prom); // long move lacks promo specification!
4629 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4630 if(appData.debugMode)
4631 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4632 safeStrCpy(move_str, buf, MSG_SIZ);
4634 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4635 &fromX, &fromY, &toX, &toY, &promoChar)
4636 || ParseOneMove(buf, moveNum - 1, &moveType,
4637 &fromX, &fromY, &toX, &toY, &promoChar);
4638 // end of long SAN patch
4640 (void) CoordsToAlgebraic(boards[moveNum - 1],
4641 PosFlags(moveNum - 1),
4642 fromY, fromX, toY, toX, promoChar,
4643 parseList[moveNum-1]);
4644 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4650 if(gameInfo.variant != VariantShogi)
4651 strcat(parseList[moveNum - 1], "+");
4654 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4655 strcat(parseList[moveNum - 1], "#");
4658 strcat(parseList[moveNum - 1], " ");
4659 strcat(parseList[moveNum - 1], elapsed_time);
4660 /* currentMoveString is set as a side-effect of ParseOneMove */
4661 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4662 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4663 strcat(moveList[moveNum - 1], "\n");
4665 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4666 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4667 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4668 ChessSquare old, new = boards[moveNum][k][j];
4669 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4670 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4671 if(old == new) continue;
4672 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4673 else if(new == WhiteWazir || new == BlackWazir) {
4674 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4675 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4676 else boards[moveNum][k][j] = old; // preserve type of Gold
4677 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4678 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4681 /* Move from ICS was illegal!? Punt. */
4682 if (appData.debugMode) {
4683 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4684 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4686 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4687 strcat(parseList[moveNum - 1], " ");
4688 strcat(parseList[moveNum - 1], elapsed_time);
4689 moveList[moveNum - 1][0] = NULLCHAR;
4690 fromX = fromY = toX = toY = -1;
4693 if (appData.debugMode) {
4694 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4695 setbuf(debugFP, NULL);
4699 /* Send move to chess program (BEFORE animating it). */
4700 if (appData.zippyPlay && !newGame && newMove &&
4701 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4703 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4704 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4705 if (moveList[moveNum - 1][0] == NULLCHAR) {
4706 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4708 DisplayError(str, 0);
4710 if (first.sendTime) {
4711 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4713 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4714 if (firstMove && !bookHit) {
4716 if (first.useColors) {
4717 SendToProgram(gameMode == IcsPlayingWhite ?
4719 "black\ngo\n", &first);
4721 SendToProgram("go\n", &first);
4723 first.maybeThinking = TRUE;
4726 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4727 if (moveList[moveNum - 1][0] == NULLCHAR) {
4728 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4729 DisplayError(str, 0);
4731 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4732 SendMoveToProgram(moveNum - 1, &first);
4739 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4740 /* If move comes from a remote source, animate it. If it
4741 isn't remote, it will have already been animated. */
4742 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4743 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4745 if (!pausing && appData.highlightLastMove) {
4746 SetHighlights(fromX, fromY, toX, toY);
4750 /* Start the clocks */
4751 whiteFlag = blackFlag = FALSE;
4752 appData.clockMode = !(basetime == 0 && increment == 0);
4754 ics_clock_paused = TRUE;
4756 } else if (ticking == 1) {
4757 ics_clock_paused = FALSE;
4759 if (gameMode == IcsIdle ||
4760 relation == RELATION_OBSERVING_STATIC ||
4761 relation == RELATION_EXAMINING ||
4763 DisplayBothClocks();
4767 /* Display opponents and material strengths */
4768 if (gameInfo.variant != VariantBughouse &&
4769 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4770 if (tinyLayout || smallLayout) {
4771 if(gameInfo.variant == VariantNormal)
4772 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4773 gameInfo.white, white_stren, gameInfo.black, black_stren,
4774 basetime, increment);
4776 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4777 gameInfo.white, white_stren, gameInfo.black, black_stren,
4778 basetime, increment, (int) gameInfo.variant);
4780 if(gameInfo.variant == VariantNormal)
4781 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4782 gameInfo.white, white_stren, gameInfo.black, black_stren,
4783 basetime, increment);
4785 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4786 gameInfo.white, white_stren, gameInfo.black, black_stren,
4787 basetime, increment, VariantName(gameInfo.variant));
4790 if (appData.debugMode) {
4791 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4796 /* Display the board */
4797 if (!pausing && !appData.noGUI) {
4799 if (appData.premove)
4801 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4802 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4803 ClearPremoveHighlights();
4805 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4806 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4807 DrawPosition(j, boards[currentMove]);
4809 DisplayMove(moveNum - 1);
4810 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4811 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4812 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4813 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4817 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4819 if(bookHit) { // [HGM] book: simulate book reply
4820 static char bookMove[MSG_SIZ]; // a bit generous?
4822 programStats.nodes = programStats.depth = programStats.time =
4823 programStats.score = programStats.got_only_move = 0;
4824 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4826 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4827 strcat(bookMove, bookHit);
4828 HandleMachineMove(bookMove, &first);
4837 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4838 ics_getting_history = H_REQUESTED;
4839 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4845 AnalysisPeriodicEvent(force)
4848 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4849 && !force) || !appData.periodicUpdates)
4852 /* Send . command to Crafty to collect stats */
4853 SendToProgram(".\n", &first);
4855 /* Don't send another until we get a response (this makes
4856 us stop sending to old Crafty's which don't understand
4857 the "." command (sending illegal cmds resets node count & time,
4858 which looks bad)) */
4859 programStats.ok_to_send = 0;
4862 void ics_update_width(new_width)
4865 ics_printf("set width %d\n", new_width);
4869 SendMoveToProgram(moveNum, cps)
4871 ChessProgramState *cps;
4875 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4876 // null move in variant where engine does not understand it (for analysis purposes)
4877 SendBoard(cps, moveNum + 1); // send position after move in stead.
4880 if (cps->useUsermove) {
4881 SendToProgram("usermove ", cps);
4885 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4886 int len = space - parseList[moveNum];
4887 memcpy(buf, parseList[moveNum], len);
4889 buf[len] = NULLCHAR;
4891 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4893 SendToProgram(buf, cps);
4895 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4896 AlphaRank(moveList[moveNum], 4);
4897 SendToProgram(moveList[moveNum], cps);
4898 AlphaRank(moveList[moveNum], 4); // and back
4900 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4901 * the engine. It would be nice to have a better way to identify castle
4903 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4904 && cps->useOOCastle) {
4905 int fromX = moveList[moveNum][0] - AAA;
4906 int fromY = moveList[moveNum][1] - ONE;
4907 int toX = moveList[moveNum][2] - AAA;
4908 int toY = moveList[moveNum][3] - ONE;
4909 if((boards[moveNum][fromY][fromX] == WhiteKing
4910 && boards[moveNum][toY][toX] == WhiteRook)
4911 || (boards[moveNum][fromY][fromX] == BlackKing
4912 && boards[moveNum][toY][toX] == BlackRook)) {
4913 if(toX > fromX) SendToProgram("O-O\n", cps);
4914 else SendToProgram("O-O-O\n", cps);
4916 else SendToProgram(moveList[moveNum], cps);
4918 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4919 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4920 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4921 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4922 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4924 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4925 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4926 SendToProgram(buf, cps);
4928 else SendToProgram(moveList[moveNum], cps);
4929 /* End of additions by Tord */
4932 /* [HGM] setting up the opening has brought engine in force mode! */
4933 /* Send 'go' if we are in a mode where machine should play. */
4934 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4935 (gameMode == TwoMachinesPlay ||
4937 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4939 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4940 SendToProgram("go\n", cps);
4941 if (appData.debugMode) {
4942 fprintf(debugFP, "(extra)\n");
4945 setboardSpoiledMachineBlack = 0;
4949 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4951 int fromX, fromY, toX, toY;
4954 char user_move[MSG_SIZ];
4958 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4959 (int)moveType, fromX, fromY, toX, toY);
4960 DisplayError(user_move + strlen("say "), 0);
4962 case WhiteKingSideCastle:
4963 case BlackKingSideCastle:
4964 case WhiteQueenSideCastleWild:
4965 case BlackQueenSideCastleWild:
4967 case WhiteHSideCastleFR:
4968 case BlackHSideCastleFR:
4970 snprintf(user_move, MSG_SIZ, "o-o\n");
4972 case WhiteQueenSideCastle:
4973 case BlackQueenSideCastle:
4974 case WhiteKingSideCastleWild:
4975 case BlackKingSideCastleWild:
4977 case WhiteASideCastleFR:
4978 case BlackASideCastleFR:
4980 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4982 case WhiteNonPromotion:
4983 case BlackNonPromotion:
4984 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4986 case WhitePromotion:
4987 case BlackPromotion:
4988 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4989 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4990 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4991 PieceToChar(WhiteFerz));
4992 else if(gameInfo.variant == VariantGreat)
4993 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4994 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4995 PieceToChar(WhiteMan));
4997 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4998 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5004 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5005 ToUpper(PieceToChar((ChessSquare) fromX)),
5006 AAA + toX, ONE + toY);
5008 case IllegalMove: /* could be a variant we don't quite understand */
5009 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5011 case WhiteCapturesEnPassant:
5012 case BlackCapturesEnPassant:
5013 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5014 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5017 SendToICS(user_move);
5018 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5019 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5024 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5025 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5026 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5027 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5028 DisplayError("You cannot do this while you are playing or observing", 0);
5031 if(gameMode != IcsExamining) { // is this ever not the case?
5032 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5034 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5035 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5036 } else { // on FICS we must first go to general examine mode
5037 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5039 if(gameInfo.variant != VariantNormal) {
5040 // try figure out wild number, as xboard names are not always valid on ICS
5041 for(i=1; i<=36; i++) {
5042 snprintf(buf, MSG_SIZ, "wild/%d", i);
5043 if(StringToVariant(buf) == gameInfo.variant) break;
5045 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5046 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5047 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5048 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5049 SendToICS(ics_prefix);
5051 if(startedFromSetupPosition || backwardMostMove != 0) {
5052 fen = PositionToFEN(backwardMostMove, NULL);
5053 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5054 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5056 } else { // FICS: everything has to set by separate bsetup commands
5057 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5058 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5060 if(!WhiteOnMove(backwardMostMove)) {
5061 SendToICS("bsetup tomove black\n");
5063 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5064 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5066 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5067 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5069 i = boards[backwardMostMove][EP_STATUS];
5070 if(i >= 0) { // set e.p.
5071 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5077 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5078 SendToICS("bsetup done\n"); // switch to normal examining.
5080 for(i = backwardMostMove; i<last; i++) {
5082 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5085 SendToICS(ics_prefix);
5086 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5090 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5095 if (rf == DROP_RANK) {
5096 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5097 sprintf(move, "%c@%c%c\n",
5098 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5100 if (promoChar == 'x' || promoChar == NULLCHAR) {
5101 sprintf(move, "%c%c%c%c\n",
5102 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5104 sprintf(move, "%c%c%c%c%c\n",
5105 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5111 ProcessICSInitScript(f)
5116 while (fgets(buf, MSG_SIZ, f)) {
5117 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5124 static int lastX, lastY, selectFlag, dragging;
5129 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5130 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5131 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5132 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5133 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5134 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5137 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5138 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5139 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5140 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5142 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5143 appData.testLegality && (promoSweep == king ||
5144 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5145 ChangeDragPiece(promoSweep);
5148 int PromoScroll(int x, int y)
5152 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5153 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5154 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5155 if(!step) return FALSE;
5156 lastX = x; lastY = y;
5157 if((promoSweep < BlackPawn) == flipView) step = -step;
5158 if(step > 0) selectFlag = 1;
5159 if(!selectFlag) Sweep(step);
5166 ChessSquare piece = boards[currentMove][toY][toX];
5169 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5170 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5171 if(!step) step = -1;
5172 } while(PieceToChar(pieceSweep) == '.');
5173 boards[currentMove][toY][toX] = pieceSweep;
5174 DrawPosition(FALSE, boards[currentMove]);
5175 boards[currentMove][toY][toX] = piece;
5177 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5179 AlphaRank(char *move, int n)
5181 // char *p = move, c; int x, y;
5183 if (appData.debugMode) {
5184 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5188 move[2]>='0' && move[2]<='9' &&
5189 move[3]>='a' && move[3]<='x' ) {
5191 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5192 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5194 if(move[0]>='0' && move[0]<='9' &&
5195 move[1]>='a' && move[1]<='x' &&
5196 move[2]>='0' && move[2]<='9' &&
5197 move[3]>='a' && move[3]<='x' ) {
5198 /* input move, Shogi -> normal */
5199 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5200 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5201 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5202 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5205 move[3]>='0' && move[3]<='9' &&
5206 move[2]>='a' && move[2]<='x' ) {
5208 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5209 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5212 move[0]>='a' && move[0]<='x' &&
5213 move[3]>='0' && move[3]<='9' &&
5214 move[2]>='a' && move[2]<='x' ) {
5215 /* output move, normal -> Shogi */
5216 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5217 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5218 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5219 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5220 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5222 if (appData.debugMode) {
5223 fprintf(debugFP, " out = '%s'\n", move);
5227 char yy_textstr[8000];
5229 /* Parser for moves from gnuchess, ICS, or user typein box */
5231 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5234 ChessMove *moveType;
5235 int *fromX, *fromY, *toX, *toY;
5238 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5240 switch (*moveType) {
5241 case WhitePromotion:
5242 case BlackPromotion:
5243 case WhiteNonPromotion:
5244 case BlackNonPromotion:
5246 case WhiteCapturesEnPassant:
5247 case BlackCapturesEnPassant:
5248 case WhiteKingSideCastle:
5249 case WhiteQueenSideCastle:
5250 case BlackKingSideCastle:
5251 case BlackQueenSideCastle:
5252 case WhiteKingSideCastleWild:
5253 case WhiteQueenSideCastleWild:
5254 case BlackKingSideCastleWild:
5255 case BlackQueenSideCastleWild:
5256 /* Code added by Tord: */
5257 case WhiteHSideCastleFR:
5258 case WhiteASideCastleFR:
5259 case BlackHSideCastleFR:
5260 case BlackASideCastleFR:
5261 /* End of code added by Tord */
5262 case IllegalMove: /* bug or odd chess variant */
5263 *fromX = currentMoveString[0] - AAA;
5264 *fromY = currentMoveString[1] - ONE;
5265 *toX = currentMoveString[2] - AAA;
5266 *toY = currentMoveString[3] - ONE;
5267 *promoChar = currentMoveString[4];
5268 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5269 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5270 if (appData.debugMode) {
5271 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5273 *fromX = *fromY = *toX = *toY = 0;
5276 if (appData.testLegality) {
5277 return (*moveType != IllegalMove);
5279 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5280 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5285 *fromX = *moveType == WhiteDrop ?
5286 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5287 (int) CharToPiece(ToLower(currentMoveString[0]));
5289 *toX = currentMoveString[2] - AAA;
5290 *toY = currentMoveString[3] - ONE;
5291 *promoChar = NULLCHAR;
5295 case ImpossibleMove:
5305 if (appData.debugMode) {
5306 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5309 *fromX = *fromY = *toX = *toY = 0;
5310 *promoChar = NULLCHAR;
5315 Boolean pushed = FALSE;
5316 char *lastParseAttempt;
5319 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5320 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5321 int fromX, fromY, toX, toY; char promoChar;
5326 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5327 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5330 endPV = forwardMostMove;
5332 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5333 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5334 lastParseAttempt = pv;
5335 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5336 if(appData.debugMode){
5337 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);
5339 if(!valid && nr == 0 &&
5340 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5341 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5342 // Hande case where played move is different from leading PV move
5343 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5344 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5345 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5346 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5347 endPV += 2; // if position different, keep this
5348 moveList[endPV-1][0] = fromX + AAA;
5349 moveList[endPV-1][1] = fromY + ONE;
5350 moveList[endPV-1][2] = toX + AAA;
5351 moveList[endPV-1][3] = toY + ONE;
5352 parseList[endPV-1][0] = NULLCHAR;
5353 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5356 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5357 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5358 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5359 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5360 valid++; // allow comments in PV
5364 if(endPV+1 > framePtr) break; // no space, truncate
5367 CopyBoard(boards[endPV], boards[endPV-1]);
5368 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5369 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5370 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5371 CoordsToAlgebraic(boards[endPV - 1],
5372 PosFlags(endPV - 1),
5373 fromY, fromX, toY, toX, promoChar,
5374 parseList[endPV - 1]);
5376 if(atEnd == 2) return; // used hidden, for PV conversion
5377 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5378 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5379 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5380 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5381 DrawPosition(TRUE, boards[currentMove]);
5385 MultiPV(ChessProgramState *cps)
5386 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5388 for(i=0; i<cps->nrOptions; i++)
5389 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5395 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5397 int startPV, multi, lineStart, origIndex = index;
5398 char *p, buf2[MSG_SIZ];
5400 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5401 lastX = x; lastY = y;
5402 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5403 lineStart = startPV = index;
5404 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5405 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5407 do{ while(buf[index] && buf[index] != '\n') index++;
5408 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5410 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5411 int n = first.option[multi].value;
5412 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5413 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5414 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5415 first.option[multi].value = n;
5419 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5420 *start = startPV; *end = index-1;
5427 static char buf[10*MSG_SIZ];
5428 int i, k=0, savedEnd=endPV;
5430 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5431 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5432 for(i = forwardMostMove; i<endPV; i++){
5433 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5434 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5437 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5438 if(forwardMostMove < savedEnd) PopInner(0);
5444 LoadPV(int x, int y)
5445 { // called on right mouse click to load PV
5446 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5447 lastX = x; lastY = y;
5448 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5455 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5456 if(endPV < 0) return;
5458 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5459 Boolean saveAnimate = appData.animate;
5461 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5462 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5463 } else storedGames--; // abandon shelved tail of original game
5466 forwardMostMove = currentMove;
5467 currentMove = oldFMM;
5468 appData.animate = FALSE;
5469 ToNrEvent(forwardMostMove);
5470 appData.animate = saveAnimate;
5472 currentMove = forwardMostMove;
5473 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5474 ClearPremoveHighlights();
5475 DrawPosition(TRUE, boards[currentMove]);
5479 MovePV(int x, int y, int h)
5480 { // step through PV based on mouse coordinates (called on mouse move)
5481 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5483 // we must somehow check if right button is still down (might be released off board!)
5484 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5485 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5486 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5488 lastX = x; lastY = y;
5490 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5491 if(endPV < 0) return;
5492 if(y < margin) step = 1; else
5493 if(y > h - margin) step = -1;
5494 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5495 currentMove += step;
5496 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5497 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5498 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5499 DrawPosition(FALSE, boards[currentMove]);
5503 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5504 // All positions will have equal probability, but the current method will not provide a unique
5505 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5511 int piecesLeft[(int)BlackPawn];
5512 int seed, nrOfShuffles;
5514 void GetPositionNumber()
5515 { // sets global variable seed
5518 seed = appData.defaultFrcPosition;
5519 if(seed < 0) { // randomize based on time for negative FRC position numbers
5520 for(i=0; i<50; i++) seed += random();
5521 seed = random() ^ random() >> 8 ^ random() << 8;
5522 if(seed<0) seed = -seed;
5526 int put(Board board, int pieceType, int rank, int n, int shade)
5527 // put the piece on the (n-1)-th empty squares of the given shade
5531 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5532 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5533 board[rank][i] = (ChessSquare) pieceType;
5534 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5536 piecesLeft[pieceType]--;
5544 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5545 // calculate where the next piece goes, (any empty square), and put it there
5549 i = seed % squaresLeft[shade];
5550 nrOfShuffles *= squaresLeft[shade];
5551 seed /= squaresLeft[shade];
5552 put(board, pieceType, rank, i, shade);
5555 void AddTwoPieces(Board board, int pieceType, int rank)
5556 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5558 int i, n=squaresLeft[ANY], j=n-1, k;
5560 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5561 i = seed % k; // pick one
5564 while(i >= j) i -= j--;
5565 j = n - 1 - j; i += j;
5566 put(board, pieceType, rank, j, ANY);
5567 put(board, pieceType, rank, i, ANY);
5570 void SetUpShuffle(Board board, int number)
5574 GetPositionNumber(); nrOfShuffles = 1;
5576 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5577 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5578 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5580 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5582 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5583 p = (int) board[0][i];
5584 if(p < (int) BlackPawn) piecesLeft[p] ++;
5585 board[0][i] = EmptySquare;
5588 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5589 // shuffles restricted to allow normal castling put KRR first
5590 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5591 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5592 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5593 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5594 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5595 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5596 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5597 put(board, WhiteRook, 0, 0, ANY);
5598 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5601 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5602 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5603 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5604 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5605 while(piecesLeft[p] >= 2) {
5606 AddOnePiece(board, p, 0, LITE);
5607 AddOnePiece(board, p, 0, DARK);
5609 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5612 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5613 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5614 // but we leave King and Rooks for last, to possibly obey FRC restriction
5615 if(p == (int)WhiteRook) continue;
5616 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5617 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5620 // now everything is placed, except perhaps King (Unicorn) and Rooks
5622 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5623 // Last King gets castling rights
5624 while(piecesLeft[(int)WhiteUnicorn]) {
5625 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5626 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5629 while(piecesLeft[(int)WhiteKing]) {
5630 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5631 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5636 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5637 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5640 // Only Rooks can be left; simply place them all
5641 while(piecesLeft[(int)WhiteRook]) {
5642 i = put(board, WhiteRook, 0, 0, ANY);
5643 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5646 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5648 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5651 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5652 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5655 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5658 int SetCharTable( char *table, const char * map )
5659 /* [HGM] moved here from winboard.c because of its general usefulness */
5660 /* Basically a safe strcpy that uses the last character as King */
5662 int result = FALSE; int NrPieces;
5664 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5665 && NrPieces >= 12 && !(NrPieces&1)) {
5666 int i; /* [HGM] Accept even length from 12 to 34 */
5668 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5669 for( i=0; i<NrPieces/2-1; i++ ) {
5671 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5673 table[(int) WhiteKing] = map[NrPieces/2-1];
5674 table[(int) BlackKing] = map[NrPieces-1];
5682 void Prelude(Board board)
5683 { // [HGM] superchess: random selection of exo-pieces
5684 int i, j, k; ChessSquare p;
5685 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5687 GetPositionNumber(); // use FRC position number
5689 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5690 SetCharTable(pieceToChar, appData.pieceToCharTable);
5691 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5692 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5695 j = seed%4; seed /= 4;
5696 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5697 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5698 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5699 j = seed%3 + (seed%3 >= j); seed /= 3;
5700 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5701 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5702 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5703 j = seed%3; seed /= 3;
5704 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5705 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5706 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5707 j = seed%2 + (seed%2 >= j); seed /= 2;
5708 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5709 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5710 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5711 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5712 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5713 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5714 put(board, exoPieces[0], 0, 0, ANY);
5715 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5719 InitPosition(redraw)
5722 ChessSquare (* pieces)[BOARD_FILES];
5723 int i, j, pawnRow, overrule,
5724 oldx = gameInfo.boardWidth,
5725 oldy = gameInfo.boardHeight,
5726 oldh = gameInfo.holdingsWidth;
5729 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5731 /* [AS] Initialize pv info list [HGM] and game status */
5733 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5734 pvInfoList[i].depth = 0;
5735 boards[i][EP_STATUS] = EP_NONE;
5736 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5739 initialRulePlies = 0; /* 50-move counter start */
5741 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5742 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5746 /* [HGM] logic here is completely changed. In stead of full positions */
5747 /* the initialized data only consist of the two backranks. The switch */
5748 /* selects which one we will use, which is than copied to the Board */
5749 /* initialPosition, which for the rest is initialized by Pawns and */
5750 /* empty squares. This initial position is then copied to boards[0], */
5751 /* possibly after shuffling, so that it remains available. */
5753 gameInfo.holdingsWidth = 0; /* default board sizes */
5754 gameInfo.boardWidth = 8;
5755 gameInfo.boardHeight = 8;
5756 gameInfo.holdingsSize = 0;
5757 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5758 for(i=0; i<BOARD_FILES-2; i++)
5759 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5760 initialPosition[EP_STATUS] = EP_NONE;
5761 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5762 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5763 SetCharTable(pieceNickName, appData.pieceNickNames);
5764 else SetCharTable(pieceNickName, "............");
5767 switch (gameInfo.variant) {
5768 case VariantFischeRandom:
5769 shuffleOpenings = TRUE;
5772 case VariantShatranj:
5773 pieces = ShatranjArray;
5774 nrCastlingRights = 0;
5775 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5778 pieces = makrukArray;
5779 nrCastlingRights = 0;
5780 startedFromSetupPosition = TRUE;
5781 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5783 case VariantTwoKings:
5784 pieces = twoKingsArray;
5787 pieces = GrandArray;
5788 nrCastlingRights = 0;
5789 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5790 gameInfo.boardWidth = 10;
5791 gameInfo.boardHeight = 10;
5792 gameInfo.holdingsSize = 7;
5794 case VariantCapaRandom:
5795 shuffleOpenings = TRUE;
5796 case VariantCapablanca:
5797 pieces = CapablancaArray;
5798 gameInfo.boardWidth = 10;
5799 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5802 pieces = GothicArray;
5803 gameInfo.boardWidth = 10;
5804 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5807 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5808 gameInfo.holdingsSize = 7;
5811 pieces = JanusArray;
5812 gameInfo.boardWidth = 10;
5813 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5814 nrCastlingRights = 6;
5815 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5816 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5817 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5818 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5819 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5820 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5823 pieces = FalconArray;
5824 gameInfo.boardWidth = 10;
5825 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5827 case VariantXiangqi:
5828 pieces = XiangqiArray;
5829 gameInfo.boardWidth = 9;
5830 gameInfo.boardHeight = 10;
5831 nrCastlingRights = 0;
5832 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5835 pieces = ShogiArray;
5836 gameInfo.boardWidth = 9;
5837 gameInfo.boardHeight = 9;
5838 gameInfo.holdingsSize = 7;
5839 nrCastlingRights = 0;
5840 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5842 case VariantCourier:
5843 pieces = CourierArray;
5844 gameInfo.boardWidth = 12;
5845 nrCastlingRights = 0;
5846 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5848 case VariantKnightmate:
5849 pieces = KnightmateArray;
5850 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5852 case VariantSpartan:
5853 pieces = SpartanArray;
5854 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5857 pieces = fairyArray;
5858 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5861 pieces = GreatArray;
5862 gameInfo.boardWidth = 10;
5863 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5864 gameInfo.holdingsSize = 8;
5868 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5869 gameInfo.holdingsSize = 8;
5870 startedFromSetupPosition = TRUE;
5872 case VariantCrazyhouse:
5873 case VariantBughouse:
5875 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5876 gameInfo.holdingsSize = 5;
5878 case VariantWildCastle:
5880 /* !!?shuffle with kings guaranteed to be on d or e file */
5881 shuffleOpenings = 1;
5883 case VariantNoCastle:
5885 nrCastlingRights = 0;
5886 /* !!?unconstrained back-rank shuffle */
5887 shuffleOpenings = 1;
5892 if(appData.NrFiles >= 0) {
5893 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5894 gameInfo.boardWidth = appData.NrFiles;
5896 if(appData.NrRanks >= 0) {
5897 gameInfo.boardHeight = appData.NrRanks;
5899 if(appData.holdingsSize >= 0) {
5900 i = appData.holdingsSize;
5901 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5902 gameInfo.holdingsSize = i;
5904 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5905 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5906 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5908 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5909 if(pawnRow < 1) pawnRow = 1;
5910 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5912 /* User pieceToChar list overrules defaults */
5913 if(appData.pieceToCharTable != NULL)
5914 SetCharTable(pieceToChar, appData.pieceToCharTable);
5916 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5918 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5919 s = (ChessSquare) 0; /* account holding counts in guard band */
5920 for( i=0; i<BOARD_HEIGHT; i++ )
5921 initialPosition[i][j] = s;
5923 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5924 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5925 initialPosition[pawnRow][j] = WhitePawn;
5926 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5927 if(gameInfo.variant == VariantXiangqi) {
5929 initialPosition[pawnRow][j] =
5930 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5931 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5932 initialPosition[2][j] = WhiteCannon;
5933 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5937 if(gameInfo.variant == VariantGrand) {
5938 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5939 initialPosition[0][j] = WhiteRook;
5940 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5943 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5945 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5948 initialPosition[1][j] = WhiteBishop;
5949 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5951 initialPosition[1][j] = WhiteRook;
5952 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5955 if( nrCastlingRights == -1) {
5956 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5957 /* This sets default castling rights from none to normal corners */
5958 /* Variants with other castling rights must set them themselves above */
5959 nrCastlingRights = 6;
5961 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5962 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5963 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5964 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5965 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5966 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5969 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5970 if(gameInfo.variant == VariantGreat) { // promotion commoners
5971 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5972 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5973 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5974 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5976 if( gameInfo.variant == VariantSChess ) {
5977 initialPosition[1][0] = BlackMarshall;
5978 initialPosition[2][0] = BlackAngel;
5979 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5980 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5981 initialPosition[1][1] = initialPosition[2][1] =
5982 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5984 if (appData.debugMode) {
5985 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5987 if(shuffleOpenings) {
5988 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5989 startedFromSetupPosition = TRUE;
5991 if(startedFromPositionFile) {
5992 /* [HGM] loadPos: use PositionFile for every new game */
5993 CopyBoard(initialPosition, filePosition);
5994 for(i=0; i<nrCastlingRights; i++)
5995 initialRights[i] = filePosition[CASTLING][i];
5996 startedFromSetupPosition = TRUE;
5999 CopyBoard(boards[0], initialPosition);
6001 if(oldx != gameInfo.boardWidth ||
6002 oldy != gameInfo.boardHeight ||
6003 oldv != gameInfo.variant ||
6004 oldh != gameInfo.holdingsWidth
6006 InitDrawingSizes(-2 ,0);
6008 oldv = gameInfo.variant;
6010 DrawPosition(TRUE, boards[currentMove]);
6014 SendBoard(cps, moveNum)
6015 ChessProgramState *cps;
6018 char message[MSG_SIZ];
6020 if (cps->useSetboard) {
6021 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6022 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6023 SendToProgram(message, cps);
6029 /* Kludge to set black to move, avoiding the troublesome and now
6030 * deprecated "black" command.
6032 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6033 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6035 SendToProgram("edit\n", cps);
6036 SendToProgram("#\n", cps);
6037 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6038 bp = &boards[moveNum][i][BOARD_LEFT];
6039 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6040 if ((int) *bp < (int) BlackPawn) {
6041 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6043 if(message[0] == '+' || message[0] == '~') {
6044 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6045 PieceToChar((ChessSquare)(DEMOTED *bp)),
6048 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6049 message[1] = BOARD_RGHT - 1 - j + '1';
6050 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6052 SendToProgram(message, cps);
6057 SendToProgram("c\n", cps);
6058 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6059 bp = &boards[moveNum][i][BOARD_LEFT];
6060 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6061 if (((int) *bp != (int) EmptySquare)
6062 && ((int) *bp >= (int) BlackPawn)) {
6063 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6065 if(message[0] == '+' || message[0] == '~') {
6066 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6067 PieceToChar((ChessSquare)(DEMOTED *bp)),
6070 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6071 message[1] = BOARD_RGHT - 1 - j + '1';
6072 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6074 SendToProgram(message, cps);
6079 SendToProgram(".\n", cps);
6081 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6085 DefaultPromoChoice(int white)
6088 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6089 result = WhiteFerz; // no choice
6090 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6091 result= WhiteKing; // in Suicide Q is the last thing we want
6092 else if(gameInfo.variant == VariantSpartan)
6093 result = white ? WhiteQueen : WhiteAngel;
6094 else result = WhiteQueen;
6095 if(!white) result = WHITE_TO_BLACK result;
6099 static int autoQueen; // [HGM] oneclick
6102 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6104 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6105 /* [HGM] add Shogi promotions */
6106 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6111 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6112 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6114 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6115 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6118 piece = boards[currentMove][fromY][fromX];
6119 if(gameInfo.variant == VariantShogi) {
6120 promotionZoneSize = BOARD_HEIGHT/3;
6121 highestPromotingPiece = (int)WhiteFerz;
6122 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6123 promotionZoneSize = 3;
6126 // Treat Lance as Pawn when it is not representing Amazon
6127 if(gameInfo.variant != VariantSuper) {
6128 if(piece == WhiteLance) piece = WhitePawn; else
6129 if(piece == BlackLance) piece = BlackPawn;
6132 // next weed out all moves that do not touch the promotion zone at all
6133 if((int)piece >= BlackPawn) {
6134 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6136 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6138 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6139 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6142 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6144 // weed out mandatory Shogi promotions
6145 if(gameInfo.variant == VariantShogi) {
6146 if(piece >= BlackPawn) {
6147 if(toY == 0 && piece == BlackPawn ||
6148 toY == 0 && piece == BlackQueen ||
6149 toY <= 1 && piece == BlackKnight) {
6154 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6155 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6156 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6163 // weed out obviously illegal Pawn moves
6164 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6165 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6166 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6167 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6168 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6169 // note we are not allowed to test for valid (non-)capture, due to premove
6172 // we either have a choice what to promote to, or (in Shogi) whether to promote
6173 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6174 *promoChoice = PieceToChar(BlackFerz); // no choice
6177 // no sense asking what we must promote to if it is going to explode...
6178 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6179 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6182 // give caller the default choice even if we will not make it
6183 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6184 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6185 if( sweepSelect && gameInfo.variant != VariantGreat
6186 && gameInfo.variant != VariantGrand
6187 && gameInfo.variant != VariantSuper) return FALSE;
6188 if(autoQueen) return FALSE; // predetermined
6190 // suppress promotion popup on illegal moves that are not premoves
6191 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6192 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6193 if(appData.testLegality && !premove) {
6194 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6195 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6196 if(moveType != WhitePromotion && moveType != BlackPromotion)
6204 InPalace(row, column)
6206 { /* [HGM] for Xiangqi */
6207 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6208 column < (BOARD_WIDTH + 4)/2 &&
6209 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6214 PieceForSquare (x, y)
6218 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6221 return boards[currentMove][y][x];
6225 OKToStartUserMove(x, y)
6228 ChessSquare from_piece;
6231 if (matchMode) return FALSE;
6232 if (gameMode == EditPosition) return TRUE;
6234 if (x >= 0 && y >= 0)
6235 from_piece = boards[currentMove][y][x];
6237 from_piece = EmptySquare;
6239 if (from_piece == EmptySquare) return FALSE;
6241 white_piece = (int)from_piece >= (int)WhitePawn &&
6242 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6246 case TwoMachinesPlay:
6254 case MachinePlaysWhite:
6255 case IcsPlayingBlack:
6256 if (appData.zippyPlay) return FALSE;
6258 DisplayMoveError(_("You are playing Black"));
6263 case MachinePlaysBlack:
6264 case IcsPlayingWhite:
6265 if (appData.zippyPlay) return FALSE;
6267 DisplayMoveError(_("You are playing White"));
6272 case PlayFromGameFile:
6273 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6275 if (!white_piece && WhiteOnMove(currentMove)) {
6276 DisplayMoveError(_("It is White's turn"));
6279 if (white_piece && !WhiteOnMove(currentMove)) {
6280 DisplayMoveError(_("It is Black's turn"));
6283 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6284 /* Editing correspondence game history */
6285 /* Could disallow this or prompt for confirmation */
6290 case BeginningOfGame:
6291 if (appData.icsActive) return FALSE;
6292 if (!appData.noChessProgram) {
6294 DisplayMoveError(_("You are playing White"));
6301 if (!white_piece && WhiteOnMove(currentMove)) {
6302 DisplayMoveError(_("It is White's turn"));
6305 if (white_piece && !WhiteOnMove(currentMove)) {
6306 DisplayMoveError(_("It is Black's turn"));
6315 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6316 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6317 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6318 && gameMode != AnalyzeFile && gameMode != Training) {
6319 DisplayMoveError(_("Displayed position is not current"));
6326 OnlyMove(int *x, int *y, Boolean captures) {
6327 DisambiguateClosure cl;
6328 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6330 case MachinePlaysBlack:
6331 case IcsPlayingWhite:
6332 case BeginningOfGame:
6333 if(!WhiteOnMove(currentMove)) return FALSE;
6335 case MachinePlaysWhite:
6336 case IcsPlayingBlack:
6337 if(WhiteOnMove(currentMove)) return FALSE;
6344 cl.pieceIn = EmptySquare;
6349 cl.promoCharIn = NULLCHAR;
6350 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6351 if( cl.kind == NormalMove ||
6352 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6353 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6354 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6361 if(cl.kind != ImpossibleMove) return FALSE;
6362 cl.pieceIn = EmptySquare;
6367 cl.promoCharIn = NULLCHAR;
6368 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6369 if( cl.kind == NormalMove ||
6370 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6371 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6372 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6377 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6383 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6384 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6385 int lastLoadGameUseList = FALSE;
6386 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6387 ChessMove lastLoadGameStart = EndOfFile;
6390 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6391 int fromX, fromY, toX, toY;
6395 ChessSquare pdown, pup;
6397 /* Check if the user is playing in turn. This is complicated because we
6398 let the user "pick up" a piece before it is his turn. So the piece he
6399 tried to pick up may have been captured by the time he puts it down!
6400 Therefore we use the color the user is supposed to be playing in this
6401 test, not the color of the piece that is currently on the starting
6402 square---except in EditGame mode, where the user is playing both
6403 sides; fortunately there the capture race can't happen. (It can
6404 now happen in IcsExamining mode, but that's just too bad. The user
6405 will get a somewhat confusing message in that case.)
6410 case TwoMachinesPlay:
6414 /* We switched into a game mode where moves are not accepted,
6415 perhaps while the mouse button was down. */
6418 case MachinePlaysWhite:
6419 /* User is moving for Black */
6420 if (WhiteOnMove(currentMove)) {
6421 DisplayMoveError(_("It is White's turn"));
6426 case MachinePlaysBlack:
6427 /* User is moving for White */
6428 if (!WhiteOnMove(currentMove)) {
6429 DisplayMoveError(_("It is Black's turn"));
6434 case PlayFromGameFile:
6435 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6438 case BeginningOfGame:
6441 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6442 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6443 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6444 /* User is moving for Black */
6445 if (WhiteOnMove(currentMove)) {
6446 DisplayMoveError(_("It is White's turn"));
6450 /* User is moving for White */
6451 if (!WhiteOnMove(currentMove)) {
6452 DisplayMoveError(_("It is Black's turn"));
6458 case IcsPlayingBlack:
6459 /* User is moving for Black */
6460 if (WhiteOnMove(currentMove)) {
6461 if (!appData.premove) {
6462 DisplayMoveError(_("It is White's turn"));
6463 } else if (toX >= 0 && toY >= 0) {
6466 premoveFromX = fromX;
6467 premoveFromY = fromY;
6468 premovePromoChar = promoChar;
6470 if (appData.debugMode)
6471 fprintf(debugFP, "Got premove: fromX %d,"
6472 "fromY %d, toX %d, toY %d\n",
6473 fromX, fromY, toX, toY);
6479 case IcsPlayingWhite:
6480 /* User is moving for White */
6481 if (!WhiteOnMove(currentMove)) {
6482 if (!appData.premove) {
6483 DisplayMoveError(_("It is Black's turn"));
6484 } else if (toX >= 0 && toY >= 0) {
6487 premoveFromX = fromX;
6488 premoveFromY = fromY;
6489 premovePromoChar = promoChar;
6491 if (appData.debugMode)
6492 fprintf(debugFP, "Got premove: fromX %d,"
6493 "fromY %d, toX %d, toY %d\n",
6494 fromX, fromY, toX, toY);
6504 /* EditPosition, empty square, or different color piece;
6505 click-click move is possible */
6506 if (toX == -2 || toY == -2) {
6507 boards[0][fromY][fromX] = EmptySquare;
6508 DrawPosition(FALSE, boards[currentMove]);
6510 } else if (toX >= 0 && toY >= 0) {
6511 boards[0][toY][toX] = boards[0][fromY][fromX];
6512 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6513 if(boards[0][fromY][0] != EmptySquare) {
6514 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6515 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6518 if(fromX == BOARD_RGHT+1) {
6519 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6520 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6521 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6524 boards[0][fromY][fromX] = EmptySquare;
6525 DrawPosition(FALSE, boards[currentMove]);
6531 if(toX < 0 || toY < 0) return;
6532 pdown = boards[currentMove][fromY][fromX];
6533 pup = boards[currentMove][toY][toX];
6535 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6536 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6537 if( pup != EmptySquare ) return;
6538 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6539 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6540 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6541 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6542 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6543 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6544 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6548 /* [HGM] always test for legality, to get promotion info */
6549 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6550 fromY, fromX, toY, toX, promoChar);
6552 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6554 /* [HGM] but possibly ignore an IllegalMove result */
6555 if (appData.testLegality) {
6556 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6557 DisplayMoveError(_("Illegal move"));
6562 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6565 /* Common tail of UserMoveEvent and DropMenuEvent */
6567 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6569 int fromX, fromY, toX, toY;
6570 /*char*/int promoChar;
6574 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6575 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6576 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6577 if(WhiteOnMove(currentMove)) {
6578 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6580 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6584 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6585 move type in caller when we know the move is a legal promotion */
6586 if(moveType == NormalMove && promoChar)
6587 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6589 /* [HGM] <popupFix> The following if has been moved here from
6590 UserMoveEvent(). Because it seemed to belong here (why not allow
6591 piece drops in training games?), and because it can only be
6592 performed after it is known to what we promote. */
6593 if (gameMode == Training) {
6594 /* compare the move played on the board to the next move in the
6595 * game. If they match, display the move and the opponent's response.
6596 * If they don't match, display an error message.
6600 CopyBoard(testBoard, boards[currentMove]);
6601 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6603 if (CompareBoards(testBoard, boards[currentMove+1])) {
6604 ForwardInner(currentMove+1);
6606 /* Autoplay the opponent's response.
6607 * if appData.animate was TRUE when Training mode was entered,
6608 * the response will be animated.
6610 saveAnimate = appData.animate;
6611 appData.animate = animateTraining;
6612 ForwardInner(currentMove+1);
6613 appData.animate = saveAnimate;
6615 /* check for the end of the game */
6616 if (currentMove >= forwardMostMove) {
6617 gameMode = PlayFromGameFile;
6619 SetTrainingModeOff();
6620 DisplayInformation(_("End of game"));
6623 DisplayError(_("Incorrect move"), 0);
6628 /* Ok, now we know that the move is good, so we can kill
6629 the previous line in Analysis Mode */
6630 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6631 && currentMove < forwardMostMove) {
6632 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6633 else forwardMostMove = currentMove;
6636 /* If we need the chess program but it's dead, restart it */
6637 ResurrectChessProgram();
6639 /* A user move restarts a paused game*/
6643 thinkOutput[0] = NULLCHAR;
6645 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6647 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6648 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6652 if (gameMode == BeginningOfGame) {
6653 if (appData.noChessProgram) {
6654 gameMode = EditGame;
6658 gameMode = MachinePlaysBlack;
6661 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6663 if (first.sendName) {
6664 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6665 SendToProgram(buf, &first);
6672 /* Relay move to ICS or chess engine */
6673 if (appData.icsActive) {
6674 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6675 gameMode == IcsExamining) {
6676 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6677 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6679 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6681 // also send plain move, in case ICS does not understand atomic claims
6682 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6686 if (first.sendTime && (gameMode == BeginningOfGame ||
6687 gameMode == MachinePlaysWhite ||
6688 gameMode == MachinePlaysBlack)) {
6689 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6691 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6692 // [HGM] book: if program might be playing, let it use book
6693 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6694 first.maybeThinking = TRUE;
6695 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6696 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6697 SendBoard(&first, currentMove+1);
6698 } else SendMoveToProgram(forwardMostMove-1, &first);
6699 if (currentMove == cmailOldMove + 1) {
6700 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6704 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6708 if(appData.testLegality)
6709 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6715 if (WhiteOnMove(currentMove)) {
6716 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6718 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6722 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6727 case MachinePlaysBlack:
6728 case MachinePlaysWhite:
6729 /* disable certain menu options while machine is thinking */
6730 SetMachineThinkingEnables();
6737 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6738 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6740 if(bookHit) { // [HGM] book: simulate book reply
6741 static char bookMove[MSG_SIZ]; // a bit generous?
6743 programStats.nodes = programStats.depth = programStats.time =
6744 programStats.score = programStats.got_only_move = 0;
6745 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6747 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6748 strcat(bookMove, bookHit);
6749 HandleMachineMove(bookMove, &first);
6755 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6762 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6763 Markers *m = (Markers *) closure;
6764 if(rf == fromY && ff == fromX)
6765 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6766 || kind == WhiteCapturesEnPassant
6767 || kind == BlackCapturesEnPassant);
6768 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6772 MarkTargetSquares(int clear)
6775 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6776 !appData.testLegality || gameMode == EditPosition) return;
6778 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6781 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6782 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6783 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6785 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6788 DrawPosition(TRUE, NULL);
6792 Explode(Board board, int fromX, int fromY, int toX, int toY)
6794 if(gameInfo.variant == VariantAtomic &&
6795 (board[toY][toX] != EmptySquare || // capture?
6796 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6797 board[fromY][fromX] == BlackPawn )
6799 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6805 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6807 int CanPromote(ChessSquare piece, int y)
6809 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6810 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6811 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6812 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6813 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6814 gameInfo.variant == VariantMakruk) return FALSE;
6815 return (piece == BlackPawn && y == 1 ||
6816 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6817 piece == BlackLance && y == 1 ||
6818 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6821 void LeftClick(ClickType clickType, int xPix, int yPix)
6824 Boolean saveAnimate;
6825 static int second = 0, promotionChoice = 0, clearFlag = 0;
6826 char promoChoice = NULLCHAR;
6829 if(appData.seekGraph && appData.icsActive && loggedOn &&
6830 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6831 SeekGraphClick(clickType, xPix, yPix, 0);
6835 if (clickType == Press) ErrorPopDown();
6837 x = EventToSquare(xPix, BOARD_WIDTH);
6838 y = EventToSquare(yPix, BOARD_HEIGHT);
6839 if (!flipView && y >= 0) {
6840 y = BOARD_HEIGHT - 1 - y;
6842 if (flipView && x >= 0) {
6843 x = BOARD_WIDTH - 1 - x;
6846 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6847 defaultPromoChoice = promoSweep;
6848 promoSweep = EmptySquare; // terminate sweep
6849 promoDefaultAltered = TRUE;
6850 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6853 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6854 if(clickType == Release) return; // ignore upclick of click-click destination
6855 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6856 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6857 if(gameInfo.holdingsWidth &&
6858 (WhiteOnMove(currentMove)
6859 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6860 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6861 // click in right holdings, for determining promotion piece
6862 ChessSquare p = boards[currentMove][y][x];
6863 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6864 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6865 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6866 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6871 DrawPosition(FALSE, boards[currentMove]);
6875 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6876 if(clickType == Press
6877 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6878 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6879 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6882 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6883 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6885 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6886 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6887 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6888 defaultPromoChoice = DefaultPromoChoice(side);
6891 autoQueen = appData.alwaysPromoteToQueen;
6895 gatingPiece = EmptySquare;
6896 if (clickType != Press) {
6897 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6898 DragPieceEnd(xPix, yPix); dragging = 0;
6899 DrawPosition(FALSE, NULL);
6903 fromX = x; fromY = y; toX = toY = -1;
6904 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6905 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6906 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6908 if (OKToStartUserMove(fromX, fromY)) {
6910 MarkTargetSquares(0);
6911 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6912 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6913 promoSweep = defaultPromoChoice;
6914 selectFlag = 0; lastX = xPix; lastY = yPix;
6915 Sweep(0); // Pawn that is going to promote: preview promotion piece
6916 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6918 if (appData.highlightDragging) {
6919 SetHighlights(fromX, fromY, -1, -1);
6921 } else fromX = fromY = -1;
6927 if (clickType == Press && gameMode != EditPosition) {
6932 // ignore off-board to clicks
6933 if(y < 0 || x < 0) return;
6935 /* Check if clicking again on the same color piece */
6936 fromP = boards[currentMove][fromY][fromX];
6937 toP = boards[currentMove][y][x];
6938 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6939 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6940 WhitePawn <= toP && toP <= WhiteKing &&
6941 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6942 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6943 (BlackPawn <= fromP && fromP <= BlackKing &&
6944 BlackPawn <= toP && toP <= BlackKing &&
6945 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6946 !(fromP == BlackKing && toP == BlackRook && frc))) {
6947 /* Clicked again on same color piece -- changed his mind */
6948 second = (x == fromX && y == fromY);
6949 promoDefaultAltered = FALSE;
6950 MarkTargetSquares(1);
6951 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6952 if (appData.highlightDragging) {
6953 SetHighlights(x, y, -1, -1);
6957 if (OKToStartUserMove(x, y)) {
6958 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6959 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6960 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6961 gatingPiece = boards[currentMove][fromY][fromX];
6962 else gatingPiece = EmptySquare;
6964 fromY = y; dragging = 1;
6965 MarkTargetSquares(0);
6966 DragPieceBegin(xPix, yPix, FALSE);
6967 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6968 promoSweep = defaultPromoChoice;
6969 selectFlag = 0; lastX = xPix; lastY = yPix;
6970 Sweep(0); // Pawn that is going to promote: preview promotion piece
6974 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6977 // ignore clicks on holdings
6978 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6981 if (clickType == Release && x == fromX && y == fromY) {
6982 DragPieceEnd(xPix, yPix); dragging = 0;
6984 // a deferred attempt to click-click move an empty square on top of a piece
6985 boards[currentMove][y][x] = EmptySquare;
6987 DrawPosition(FALSE, boards[currentMove]);
6988 fromX = fromY = -1; clearFlag = 0;
6991 if (appData.animateDragging) {
6992 /* Undo animation damage if any */
6993 DrawPosition(FALSE, NULL);
6996 /* Second up/down in same square; just abort move */
6999 gatingPiece = EmptySquare;
7002 ClearPremoveHighlights();
7004 /* First upclick in same square; start click-click mode */
7005 SetHighlights(x, y, -1, -1);
7012 /* we now have a different from- and (possibly off-board) to-square */
7013 /* Completed move */
7016 saveAnimate = appData.animate;
7017 MarkTargetSquares(1);
7018 if (clickType == Press) {
7019 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7020 // must be Edit Position mode with empty-square selected
7021 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7022 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7025 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7026 ChessSquare piece = boards[currentMove][fromY][fromX];
7027 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7028 promoSweep = defaultPromoChoice;
7029 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7030 selectFlag = 0; lastX = xPix; lastY = yPix;
7031 Sweep(0); // Pawn that is going to promote: preview promotion piece
7032 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7033 DrawPosition(FALSE, boards[currentMove]);
7036 /* Finish clickclick move */
7037 if (appData.animate || appData.highlightLastMove) {
7038 SetHighlights(fromX, fromY, toX, toY);
7043 /* Finish drag move */
7044 if (appData.highlightLastMove) {
7045 SetHighlights(fromX, fromY, toX, toY);
7049 DragPieceEnd(xPix, yPix); dragging = 0;
7050 /* Don't animate move and drag both */
7051 appData.animate = FALSE;
7054 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7055 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7056 ChessSquare piece = boards[currentMove][fromY][fromX];
7057 if(gameMode == EditPosition && piece != EmptySquare &&
7058 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7061 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7062 n = PieceToNumber(piece - (int)BlackPawn);
7063 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7064 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7065 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7067 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7068 n = PieceToNumber(piece);
7069 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7070 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7071 boards[currentMove][n][BOARD_WIDTH-2]++;
7073 boards[currentMove][fromY][fromX] = EmptySquare;
7077 DrawPosition(TRUE, boards[currentMove]);
7081 // off-board moves should not be highlighted
7082 if(x < 0 || y < 0) ClearHighlights();
7084 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7086 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7087 SetHighlights(fromX, fromY, toX, toY);
7088 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7089 // [HGM] super: promotion to captured piece selected from holdings
7090 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7091 promotionChoice = TRUE;
7092 // kludge follows to temporarily execute move on display, without promoting yet
7093 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7094 boards[currentMove][toY][toX] = p;
7095 DrawPosition(FALSE, boards[currentMove]);
7096 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7097 boards[currentMove][toY][toX] = q;
7098 DisplayMessage("Click in holdings to choose piece", "");
7103 int oldMove = currentMove;
7104 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7105 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7106 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7107 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7108 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7109 DrawPosition(TRUE, boards[currentMove]);
7112 appData.animate = saveAnimate;
7113 if (appData.animate || appData.animateDragging) {
7114 /* Undo animation damage if needed */
7115 DrawPosition(FALSE, NULL);
7119 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7120 { // front-end-free part taken out of PieceMenuPopup
7121 int whichMenu; int xSqr, ySqr;
7123 if(seekGraphUp) { // [HGM] seekgraph
7124 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7125 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7129 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7130 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7131 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7132 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7133 if(action == Press) {
7134 originalFlip = flipView;
7135 flipView = !flipView; // temporarily flip board to see game from partners perspective
7136 DrawPosition(TRUE, partnerBoard);
7137 DisplayMessage(partnerStatus, "");
7139 } else if(action == Release) {
7140 flipView = originalFlip;
7141 DrawPosition(TRUE, boards[currentMove]);
7147 xSqr = EventToSquare(x, BOARD_WIDTH);
7148 ySqr = EventToSquare(y, BOARD_HEIGHT);
7149 if (action == Release) {
7150 if(pieceSweep != EmptySquare) {
7151 EditPositionMenuEvent(pieceSweep, toX, toY);
7152 pieceSweep = EmptySquare;
7153 } else UnLoadPV(); // [HGM] pv
7155 if (action != Press) return -2; // return code to be ignored
7158 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7160 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7161 if (xSqr < 0 || ySqr < 0) return -1;
7162 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7163 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7164 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7165 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7169 if(!appData.icsEngineAnalyze) return -1;
7170 case IcsPlayingWhite:
7171 case IcsPlayingBlack:
7172 if(!appData.zippyPlay) goto noZip;
7175 case MachinePlaysWhite:
7176 case MachinePlaysBlack:
7177 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7178 if (!appData.dropMenu) {
7180 return 2; // flag front-end to grab mouse events
7182 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7183 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7186 if (xSqr < 0 || ySqr < 0) return -1;
7187 if (!appData.dropMenu || appData.testLegality &&
7188 gameInfo.variant != VariantBughouse &&
7189 gameInfo.variant != VariantCrazyhouse) return -1;
7190 whichMenu = 1; // drop menu
7196 if (((*fromX = xSqr) < 0) ||
7197 ((*fromY = ySqr) < 0)) {
7198 *fromX = *fromY = -1;
7202 *fromX = BOARD_WIDTH - 1 - *fromX;
7204 *fromY = BOARD_HEIGHT - 1 - *fromY;
7209 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7211 // char * hint = lastHint;
7212 FrontEndProgramStats stats;
7214 stats.which = cps == &first ? 0 : 1;
7215 stats.depth = cpstats->depth;
7216 stats.nodes = cpstats->nodes;
7217 stats.score = cpstats->score;
7218 stats.time = cpstats->time;
7219 stats.pv = cpstats->movelist;
7220 stats.hint = lastHint;
7221 stats.an_move_index = 0;
7222 stats.an_move_count = 0;
7224 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7225 stats.hint = cpstats->move_name;
7226 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7227 stats.an_move_count = cpstats->nr_moves;
7230 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
7232 SetProgramStats( &stats );
7236 ClearEngineOutputPane(int which)
7238 static FrontEndProgramStats dummyStats;
7239 dummyStats.which = which;
7240 dummyStats.pv = "#";
7241 SetProgramStats( &dummyStats );
7244 #define MAXPLAYERS 500
7247 TourneyStandings(int display)
7249 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7250 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7251 char result, *p, *names[MAXPLAYERS];
7253 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7254 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7255 names[0] = p = strdup(appData.participants);
7256 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7258 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7260 while(result = appData.results[nr]) {
7261 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7262 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7263 wScore = bScore = 0;
7265 case '+': wScore = 2; break;
7266 case '-': bScore = 2; break;
7267 case '=': wScore = bScore = 1; break;
7269 case '*': return strdup("busy"); // tourney not finished
7277 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7278 for(w=0; w<nPlayers; w++) {
7280 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7281 ranking[w] = b; points[w] = bScore; score[b] = -2;
7283 p = malloc(nPlayers*34+1);
7284 for(w=0; w<nPlayers && w<display; w++)
7285 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7291 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7292 { // count all piece types
7294 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7295 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7296 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7299 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7300 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7301 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7302 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7303 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7304 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7309 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7311 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7312 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7314 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7315 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7316 if(myPawns == 2 && nMine == 3) // KPP
7317 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7318 if(myPawns == 1 && nMine == 2) // KP
7319 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7320 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7321 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7322 if(myPawns) return FALSE;
7323 if(pCnt[WhiteRook+side])
7324 return pCnt[BlackRook-side] ||
7325 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7326 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7327 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7328 if(pCnt[WhiteCannon+side]) {
7329 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7330 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7332 if(pCnt[WhiteKnight+side])
7333 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7338 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7340 VariantClass v = gameInfo.variant;
7342 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7343 if(v == VariantShatranj) return TRUE; // always winnable through baring
7344 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7345 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7347 if(v == VariantXiangqi) {
7348 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7350 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7351 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7352 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7353 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7354 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7355 if(stale) // we have at least one last-rank P plus perhaps C
7356 return majors // KPKX
7357 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7359 return pCnt[WhiteFerz+side] // KCAK
7360 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7361 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7362 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7364 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7365 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7367 if(nMine == 1) return FALSE; // bare King
7368 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
7369 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7370 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7371 // by now we have King + 1 piece (or multiple Bishops on the same color)
7372 if(pCnt[WhiteKnight+side])
7373 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7374 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7375 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7377 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7378 if(pCnt[WhiteAlfil+side])
7379 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7380 if(pCnt[WhiteWazir+side])
7381 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7388 CompareWithRights(Board b1, Board b2)
7391 if(!CompareBoards(b1, b2)) return FALSE;
7392 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7393 /* compare castling rights */
7394 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7395 rights++; /* King lost rights, while rook still had them */
7396 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7397 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7398 rights++; /* but at least one rook lost them */
7400 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7402 if( b1[CASTLING][5] != NoRights ) {
7403 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7410 Adjudicate(ChessProgramState *cps)
7411 { // [HGM] some adjudications useful with buggy engines
7412 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7413 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7414 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7415 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7416 int k, count = 0; static int bare = 1;
7417 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7418 Boolean canAdjudicate = !appData.icsActive;
7420 // most tests only when we understand the game, i.e. legality-checking on
7421 if( appData.testLegality )
7422 { /* [HGM] Some more adjudications for obstinate engines */
7423 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7424 static int moveCount = 6;
7426 char *reason = NULL;
7428 /* Count what is on board. */
7429 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7431 /* Some material-based adjudications that have to be made before stalemate test */
7432 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7433 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7434 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7435 if(canAdjudicate && appData.checkMates) {
7437 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7438 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7439 "Xboard adjudication: King destroyed", GE_XBOARD );
7444 /* Bare King in Shatranj (loses) or Losers (wins) */
7445 if( nrW == 1 || nrB == 1) {
7446 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7447 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7448 if(canAdjudicate && appData.checkMates) {
7450 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7451 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7452 "Xboard adjudication: Bare king", GE_XBOARD );
7456 if( gameInfo.variant == VariantShatranj && --bare < 0)
7458 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7459 if(canAdjudicate && appData.checkMates) {
7460 /* but only adjudicate if adjudication enabled */
7462 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7463 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7464 "Xboard adjudication: Bare king", GE_XBOARD );
7471 // don't wait for engine to announce game end if we can judge ourselves
7472 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7474 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7475 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7476 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7477 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7480 reason = "Xboard adjudication: 3rd check";
7481 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7491 reason = "Xboard adjudication: Stalemate";
7492 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7493 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7494 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7495 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7496 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7497 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7498 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7499 EP_CHECKMATE : EP_WINS);
7500 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7501 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7505 reason = "Xboard adjudication: Checkmate";
7506 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7510 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7512 result = GameIsDrawn; break;
7514 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7516 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7520 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7522 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7523 GameEnds( result, reason, GE_XBOARD );
7527 /* Next absolutely insufficient mating material. */
7528 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7529 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7530 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7532 /* always flag draws, for judging claims */
7533 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7535 if(canAdjudicate && appData.materialDraws) {
7536 /* but only adjudicate them if adjudication enabled */
7537 if(engineOpponent) {
7538 SendToProgram("force\n", engineOpponent); // suppress reply
7539 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7541 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7546 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7547 if(gameInfo.variant == VariantXiangqi ?
7548 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7550 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7551 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7552 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7553 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7555 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7556 { /* if the first 3 moves do not show a tactical win, declare draw */
7557 if(engineOpponent) {
7558 SendToProgram("force\n", engineOpponent); // suppress reply
7559 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7561 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7564 } else moveCount = 6;
7566 if (appData.debugMode) { int i;
7567 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7568 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7569 appData.drawRepeats);
7570 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7571 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7575 // Repetition draws and 50-move rule can be applied independently of legality testing
7577 /* Check for rep-draws */
7579 for(k = forwardMostMove-2;
7580 k>=backwardMostMove && k>=forwardMostMove-100 &&
7581 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7582 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7585 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7586 /* compare castling rights */
7587 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7588 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7589 rights++; /* King lost rights, while rook still had them */
7590 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7591 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7592 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7593 rights++; /* but at least one rook lost them */
7595 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7596 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7598 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7599 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7600 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7603 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7604 && appData.drawRepeats > 1) {
7605 /* adjudicate after user-specified nr of repeats */
7606 int result = GameIsDrawn;
7607 char *details = "XBoard adjudication: repetition draw";
7608 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7609 // [HGM] xiangqi: check for forbidden perpetuals
7610 int m, ourPerpetual = 1, hisPerpetual = 1;
7611 for(m=forwardMostMove; m>k; m-=2) {
7612 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7613 ourPerpetual = 0; // the current mover did not always check
7614 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7615 hisPerpetual = 0; // the opponent did not always check
7617 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7618 ourPerpetual, hisPerpetual);
7619 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7620 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7621 details = "Xboard adjudication: perpetual checking";
7623 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7624 break; // (or we would have caught him before). Abort repetition-checking loop.
7626 // Now check for perpetual chases
7627 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7628 hisPerpetual = PerpetualChase(k, forwardMostMove);
7629 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7630 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7631 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7632 details = "Xboard adjudication: perpetual chasing";
7634 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7635 break; // Abort repetition-checking loop.
7637 // if neither of us is checking or chasing all the time, or both are, it is draw
7639 if(engineOpponent) {
7640 SendToProgram("force\n", engineOpponent); // suppress reply
7641 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7643 GameEnds( result, details, GE_XBOARD );
7646 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7647 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7651 /* Now we test for 50-move draws. Determine ply count */
7652 count = forwardMostMove;
7653 /* look for last irreversble move */
7654 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7656 /* if we hit starting position, add initial plies */
7657 if( count == backwardMostMove )
7658 count -= initialRulePlies;
7659 count = forwardMostMove - count;
7660 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7661 // adjust reversible move counter for checks in Xiangqi
7662 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7663 if(i < backwardMostMove) i = backwardMostMove;
7664 while(i <= forwardMostMove) {
7665 lastCheck = inCheck; // check evasion does not count
7666 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7667 if(inCheck || lastCheck) count--; // check does not count
7672 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7673 /* this is used to judge if draw claims are legal */
7674 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7675 if(engineOpponent) {
7676 SendToProgram("force\n", engineOpponent); // suppress reply
7677 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7679 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7683 /* if draw offer is pending, treat it as a draw claim
7684 * when draw condition present, to allow engines a way to
7685 * claim draws before making their move to avoid a race
7686 * condition occurring after their move
7688 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7690 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7691 p = "Draw claim: 50-move rule";
7692 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7693 p = "Draw claim: 3-fold repetition";
7694 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7695 p = "Draw claim: insufficient mating material";
7696 if( p != NULL && canAdjudicate) {
7697 if(engineOpponent) {
7698 SendToProgram("force\n", engineOpponent); // suppress reply
7699 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7701 GameEnds( GameIsDrawn, p, GE_XBOARD );
7706 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7707 if(engineOpponent) {
7708 SendToProgram("force\n", engineOpponent); // suppress reply
7709 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7711 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7717 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7718 { // [HGM] book: this routine intercepts moves to simulate book replies
7719 char *bookHit = NULL;
7721 //first determine if the incoming move brings opponent into his book
7722 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7723 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7724 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7725 if(bookHit != NULL && !cps->bookSuspend) {
7726 // make sure opponent is not going to reply after receiving move to book position
7727 SendToProgram("force\n", cps);
7728 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7730 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7731 // now arrange restart after book miss
7733 // after a book hit we never send 'go', and the code after the call to this routine
7734 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7735 char buf[MSG_SIZ], *move = bookHit;
7737 int fromX, fromY, toX, toY;
7741 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7742 &fromX, &fromY, &toX, &toY, &promoChar)) {
7743 (void) CoordsToAlgebraic(boards[forwardMostMove],
7744 PosFlags(forwardMostMove),
7745 fromY, fromX, toY, toX, promoChar, move);
7747 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7751 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7752 SendToProgram(buf, cps);
7753 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7754 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7755 SendToProgram("go\n", cps);
7756 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7757 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7758 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7759 SendToProgram("go\n", cps);
7760 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7762 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7766 ChessProgramState *savedState;
7767 void DeferredBookMove(void)
7769 if(savedState->lastPing != savedState->lastPong)
7770 ScheduleDelayedEvent(DeferredBookMove, 10);
7772 HandleMachineMove(savedMessage, savedState);
7775 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7778 HandleMachineMove(message, cps)
7780 ChessProgramState *cps;
7782 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7783 char realname[MSG_SIZ];
7784 int fromX, fromY, toX, toY;
7791 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7792 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7793 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7794 DisplayError(_("Invalid pairing from pairing engine"), 0);
7797 pairingReceived = 1;
7799 return; // Skim the pairing messages here.
7804 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7806 * Kludge to ignore BEL characters
7808 while (*message == '\007') message++;
7811 * [HGM] engine debug message: ignore lines starting with '#' character
7813 if(cps->debug && *message == '#') return;
7816 * Look for book output
7818 if (cps == &first && bookRequested) {
7819 if (message[0] == '\t' || message[0] == ' ') {
7820 /* Part of the book output is here; append it */
7821 strcat(bookOutput, message);
7822 strcat(bookOutput, " \n");
7824 } else if (bookOutput[0] != NULLCHAR) {
7825 /* All of book output has arrived; display it */
7826 char *p = bookOutput;
7827 while (*p != NULLCHAR) {
7828 if (*p == '\t') *p = ' ';
7831 DisplayInformation(bookOutput);
7832 bookRequested = FALSE;
7833 /* Fall through to parse the current output */
7838 * Look for machine move.
7840 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7841 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7843 /* This method is only useful on engines that support ping */
7844 if (cps->lastPing != cps->lastPong) {
7845 if (gameMode == BeginningOfGame) {
7846 /* Extra move from before last new; ignore */
7847 if (appData.debugMode) {
7848 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7851 if (appData.debugMode) {
7852 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7853 cps->which, gameMode);
7856 SendToProgram("undo\n", cps);
7862 case BeginningOfGame:
7863 /* Extra move from before last reset; ignore */
7864 if (appData.debugMode) {
7865 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7872 /* Extra move after we tried to stop. The mode test is
7873 not a reliable way of detecting this problem, but it's
7874 the best we can do on engines that don't support ping.
7876 if (appData.debugMode) {
7877 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7878 cps->which, gameMode);
7880 SendToProgram("undo\n", cps);
7883 case MachinePlaysWhite:
7884 case IcsPlayingWhite:
7885 machineWhite = TRUE;
7888 case MachinePlaysBlack:
7889 case IcsPlayingBlack:
7890 machineWhite = FALSE;
7893 case TwoMachinesPlay:
7894 machineWhite = (cps->twoMachinesColor[0] == 'w');
7897 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7898 if (appData.debugMode) {
7900 "Ignoring move out of turn by %s, gameMode %d"
7901 ", forwardMost %d\n",
7902 cps->which, gameMode, forwardMostMove);
7907 if (appData.debugMode) { int f = forwardMostMove;
7908 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7909 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7910 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7912 if(cps->alphaRank) AlphaRank(machineMove, 4);
7913 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7914 &fromX, &fromY, &toX, &toY, &promoChar)) {
7915 /* Machine move could not be parsed; ignore it. */
7916 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7917 machineMove, _(cps->which));
7918 DisplayError(buf1, 0);
7919 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7920 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7921 if (gameMode == TwoMachinesPlay) {
7922 GameEnds(machineWhite ? BlackWins : WhiteWins,
7928 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7929 /* So we have to redo legality test with true e.p. status here, */
7930 /* to make sure an illegal e.p. capture does not slip through, */
7931 /* to cause a forfeit on a justified illegal-move complaint */
7932 /* of the opponent. */
7933 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7935 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7936 fromY, fromX, toY, toX, promoChar);
7937 if (appData.debugMode) {
7939 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7940 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7941 fprintf(debugFP, "castling rights\n");
7943 if(moveType == IllegalMove) {
7944 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7945 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7946 GameEnds(machineWhite ? BlackWins : WhiteWins,
7949 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7950 /* [HGM] Kludge to handle engines that send FRC-style castling
7951 when they shouldn't (like TSCP-Gothic) */
7953 case WhiteASideCastleFR:
7954 case BlackASideCastleFR:
7956 currentMoveString[2]++;
7958 case WhiteHSideCastleFR:
7959 case BlackHSideCastleFR:
7961 currentMoveString[2]--;
7963 default: ; // nothing to do, but suppresses warning of pedantic compilers
7966 hintRequested = FALSE;
7967 lastHint[0] = NULLCHAR;
7968 bookRequested = FALSE;
7969 /* Program may be pondering now */
7970 cps->maybeThinking = TRUE;
7971 if (cps->sendTime == 2) cps->sendTime = 1;
7972 if (cps->offeredDraw) cps->offeredDraw--;
7974 /* [AS] Save move info*/
7975 pvInfoList[ forwardMostMove ].score = programStats.score;
7976 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7977 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7979 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7981 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7982 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7985 while( count < adjudicateLossPlies ) {
7986 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7989 score = -score; /* Flip score for winning side */
7992 if( score > adjudicateLossThreshold ) {
7999 if( count >= adjudicateLossPlies ) {
8000 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8002 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8003 "Xboard adjudication",
8010 if(Adjudicate(cps)) {
8011 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8012 return; // [HGM] adjudicate: for all automatic game ends
8016 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8018 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8019 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8021 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8023 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8025 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8026 char buf[3*MSG_SIZ];
8028 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8029 programStats.score / 100.,
8031 programStats.time / 100.,
8032 (unsigned int)programStats.nodes,
8033 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8034 programStats.movelist);
8036 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8041 /* [AS] Clear stats for next move */
8042 ClearProgramStats();
8043 thinkOutput[0] = NULLCHAR;
8044 hiddenThinkOutputState = 0;
8047 if (gameMode == TwoMachinesPlay) {
8048 /* [HGM] relaying draw offers moved to after reception of move */
8049 /* and interpreting offer as claim if it brings draw condition */
8050 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8051 SendToProgram("draw\n", cps->other);
8053 if (cps->other->sendTime) {
8054 SendTimeRemaining(cps->other,
8055 cps->other->twoMachinesColor[0] == 'w');
8057 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8058 if (firstMove && !bookHit) {
8060 if (cps->other->useColors) {
8061 SendToProgram(cps->other->twoMachinesColor, cps->other);
8063 SendToProgram("go\n", cps->other);
8065 cps->other->maybeThinking = TRUE;
8068 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8070 if (!pausing && appData.ringBellAfterMoves) {
8075 * Reenable menu items that were disabled while
8076 * machine was thinking
8078 if (gameMode != TwoMachinesPlay)
8079 SetUserThinkingEnables();
8081 // [HGM] book: after book hit opponent has received move and is now in force mode
8082 // force the book reply into it, and then fake that it outputted this move by jumping
8083 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8085 static char bookMove[MSG_SIZ]; // a bit generous?
8087 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8088 strcat(bookMove, bookHit);
8091 programStats.nodes = programStats.depth = programStats.time =
8092 programStats.score = programStats.got_only_move = 0;
8093 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8095 if(cps->lastPing != cps->lastPong) {
8096 savedMessage = message; // args for deferred call
8098 ScheduleDelayedEvent(DeferredBookMove, 10);
8107 /* Set special modes for chess engines. Later something general
8108 * could be added here; for now there is just one kludge feature,
8109 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8110 * when "xboard" is given as an interactive command.
8112 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8113 cps->useSigint = FALSE;
8114 cps->useSigterm = FALSE;
8116 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8117 ParseFeatures(message+8, cps);
8118 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8121 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8122 int dummy, s=6; char buf[MSG_SIZ];
8123 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8124 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8125 ParseFEN(boards[0], &dummy, message+s);
8126 DrawPosition(TRUE, boards[0]);
8127 startedFromSetupPosition = TRUE;
8130 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8131 * want this, I was asked to put it in, and obliged.
8133 if (!strncmp(message, "setboard ", 9)) {
8134 Board initial_position;
8136 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8138 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8139 DisplayError(_("Bad FEN received from engine"), 0);
8143 CopyBoard(boards[0], initial_position);
8144 initialRulePlies = FENrulePlies;
8145 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8146 else gameMode = MachinePlaysBlack;
8147 DrawPosition(FALSE, boards[currentMove]);
8153 * Look for communication commands
8155 if (!strncmp(message, "telluser ", 9)) {
8156 if(message[9] == '\\' && message[10] == '\\')
8157 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8159 DisplayNote(message + 9);
8162 if (!strncmp(message, "tellusererror ", 14)) {
8164 if(message[14] == '\\' && message[15] == '\\')
8165 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8167 DisplayError(message + 14, 0);
8170 if (!strncmp(message, "tellopponent ", 13)) {
8171 if (appData.icsActive) {
8173 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8177 DisplayNote(message + 13);
8181 if (!strncmp(message, "tellothers ", 11)) {
8182 if (appData.icsActive) {
8184 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8190 if (!strncmp(message, "tellall ", 8)) {
8191 if (appData.icsActive) {
8193 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8197 DisplayNote(message + 8);
8201 if (strncmp(message, "warning", 7) == 0) {
8202 /* Undocumented feature, use tellusererror in new code */
8203 DisplayError(message, 0);
8206 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8207 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8208 strcat(realname, " query");
8209 AskQuestion(realname, buf2, buf1, cps->pr);
8212 /* Commands from the engine directly to ICS. We don't allow these to be
8213 * sent until we are logged on. Crafty kibitzes have been known to
8214 * interfere with the login process.
8217 if (!strncmp(message, "tellics ", 8)) {
8218 SendToICS(message + 8);
8222 if (!strncmp(message, "tellicsnoalias ", 15)) {
8223 SendToICS(ics_prefix);
8224 SendToICS(message + 15);
8228 /* The following are for backward compatibility only */
8229 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8230 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8231 SendToICS(ics_prefix);
8237 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8241 * If the move is illegal, cancel it and redraw the board.
8242 * Also deal with other error cases. Matching is rather loose
8243 * here to accommodate engines written before the spec.
8245 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8246 strncmp(message, "Error", 5) == 0) {
8247 if (StrStr(message, "name") ||
8248 StrStr(message, "rating") || StrStr(message, "?") ||
8249 StrStr(message, "result") || StrStr(message, "board") ||
8250 StrStr(message, "bk") || StrStr(message, "computer") ||
8251 StrStr(message, "variant") || StrStr(message, "hint") ||
8252 StrStr(message, "random") || StrStr(message, "depth") ||
8253 StrStr(message, "accepted")) {
8256 if (StrStr(message, "protover")) {
8257 /* Program is responding to input, so it's apparently done
8258 initializing, and this error message indicates it is
8259 protocol version 1. So we don't need to wait any longer
8260 for it to initialize and send feature commands. */
8261 FeatureDone(cps, 1);
8262 cps->protocolVersion = 1;
8265 cps->maybeThinking = FALSE;
8267 if (StrStr(message, "draw")) {
8268 /* Program doesn't have "draw" command */
8269 cps->sendDrawOffers = 0;
8272 if (cps->sendTime != 1 &&
8273 (StrStr(message, "time") || StrStr(message, "otim"))) {
8274 /* Program apparently doesn't have "time" or "otim" command */
8278 if (StrStr(message, "analyze")) {
8279 cps->analysisSupport = FALSE;
8280 cps->analyzing = FALSE;
8281 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8282 EditGameEvent(); // [HGM] try to preserve loaded game
8283 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8284 DisplayError(buf2, 0);
8287 if (StrStr(message, "(no matching move)st")) {
8288 /* Special kludge for GNU Chess 4 only */
8289 cps->stKludge = TRUE;
8290 SendTimeControl(cps, movesPerSession, timeControl,
8291 timeIncrement, appData.searchDepth,
8295 if (StrStr(message, "(no matching move)sd")) {
8296 /* Special kludge for GNU Chess 4 only */
8297 cps->sdKludge = TRUE;
8298 SendTimeControl(cps, movesPerSession, timeControl,
8299 timeIncrement, appData.searchDepth,
8303 if (!StrStr(message, "llegal")) {
8306 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8307 gameMode == IcsIdle) return;
8308 if (forwardMostMove <= backwardMostMove) return;
8309 if (pausing) PauseEvent();
8310 if(appData.forceIllegal) {
8311 // [HGM] illegal: machine refused move; force position after move into it
8312 SendToProgram("force\n", cps);
8313 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8314 // we have a real problem now, as SendBoard will use the a2a3 kludge
8315 // when black is to move, while there might be nothing on a2 or black
8316 // might already have the move. So send the board as if white has the move.
8317 // But first we must change the stm of the engine, as it refused the last move
8318 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8319 if(WhiteOnMove(forwardMostMove)) {
8320 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8321 SendBoard(cps, forwardMostMove); // kludgeless board
8323 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8324 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8325 SendBoard(cps, forwardMostMove+1); // kludgeless board
8327 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8328 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8329 gameMode == TwoMachinesPlay)
8330 SendToProgram("go\n", cps);
8333 if (gameMode == PlayFromGameFile) {
8334 /* Stop reading this game file */
8335 gameMode = EditGame;
8338 /* [HGM] illegal-move claim should forfeit game when Xboard */
8339 /* only passes fully legal moves */
8340 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8341 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8342 "False illegal-move claim", GE_XBOARD );
8343 return; // do not take back move we tested as valid
8345 currentMove = forwardMostMove-1;
8346 DisplayMove(currentMove-1); /* before DisplayMoveError */
8347 SwitchClocks(forwardMostMove-1); // [HGM] race
8348 DisplayBothClocks();
8349 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8350 parseList[currentMove], _(cps->which));
8351 DisplayMoveError(buf1);
8352 DrawPosition(FALSE, boards[currentMove]);
8355 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8356 /* Program has a broken "time" command that
8357 outputs a string not ending in newline.
8363 * If chess program startup fails, exit with an error message.
8364 * Attempts to recover here are futile.
8366 if ((StrStr(message, "unknown host") != NULL)
8367 || (StrStr(message, "No remote directory") != NULL)
8368 || (StrStr(message, "not found") != NULL)
8369 || (StrStr(message, "No such file") != NULL)
8370 || (StrStr(message, "can't alloc") != NULL)
8371 || (StrStr(message, "Permission denied") != NULL)) {
8373 cps->maybeThinking = FALSE;
8374 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8375 _(cps->which), cps->program, cps->host, message);
8376 RemoveInputSource(cps->isr);
8377 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8378 if(cps == &first) appData.noChessProgram = TRUE;
8379 DisplayError(buf1, 0);
8385 * Look for hint output
8387 if (sscanf(message, "Hint: %s", buf1) == 1) {
8388 if (cps == &first && hintRequested) {
8389 hintRequested = FALSE;
8390 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8391 &fromX, &fromY, &toX, &toY, &promoChar)) {
8392 (void) CoordsToAlgebraic(boards[forwardMostMove],
8393 PosFlags(forwardMostMove),
8394 fromY, fromX, toY, toX, promoChar, buf1);
8395 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8396 DisplayInformation(buf2);
8398 /* Hint move could not be parsed!? */
8399 snprintf(buf2, sizeof(buf2),
8400 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8401 buf1, _(cps->which));
8402 DisplayError(buf2, 0);
8405 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8411 * Ignore other messages if game is not in progress
8413 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8414 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8417 * look for win, lose, draw, or draw offer
8419 if (strncmp(message, "1-0", 3) == 0) {
8420 char *p, *q, *r = "";
8421 p = strchr(message, '{');
8429 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8431 } else if (strncmp(message, "0-1", 3) == 0) {
8432 char *p, *q, *r = "";
8433 p = strchr(message, '{');
8441 /* Kludge for Arasan 4.1 bug */
8442 if (strcmp(r, "Black resigns") == 0) {
8443 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8446 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8448 } else if (strncmp(message, "1/2", 3) == 0) {
8449 char *p, *q, *r = "";
8450 p = strchr(message, '{');
8459 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8462 } else if (strncmp(message, "White resign", 12) == 0) {
8463 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8465 } else if (strncmp(message, "Black resign", 12) == 0) {
8466 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8468 } else if (strncmp(message, "White matches", 13) == 0 ||
8469 strncmp(message, "Black matches", 13) == 0 ) {
8470 /* [HGM] ignore GNUShogi noises */
8472 } else if (strncmp(message, "White", 5) == 0 &&
8473 message[5] != '(' &&
8474 StrStr(message, "Black") == NULL) {
8475 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8477 } else if (strncmp(message, "Black", 5) == 0 &&
8478 message[5] != '(') {
8479 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8481 } else if (strcmp(message, "resign") == 0 ||
8482 strcmp(message, "computer resigns") == 0) {
8484 case MachinePlaysBlack:
8485 case IcsPlayingBlack:
8486 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8488 case MachinePlaysWhite:
8489 case IcsPlayingWhite:
8490 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8492 case TwoMachinesPlay:
8493 if (cps->twoMachinesColor[0] == 'w')
8494 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8496 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8503 } else if (strncmp(message, "opponent mates", 14) == 0) {
8505 case MachinePlaysBlack:
8506 case IcsPlayingBlack:
8507 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8509 case MachinePlaysWhite:
8510 case IcsPlayingWhite:
8511 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8513 case TwoMachinesPlay:
8514 if (cps->twoMachinesColor[0] == 'w')
8515 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8517 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8524 } else if (strncmp(message, "computer mates", 14) == 0) {
8526 case MachinePlaysBlack:
8527 case IcsPlayingBlack:
8528 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8530 case MachinePlaysWhite:
8531 case IcsPlayingWhite:
8532 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8534 case TwoMachinesPlay:
8535 if (cps->twoMachinesColor[0] == 'w')
8536 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8538 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8545 } else if (strncmp(message, "checkmate", 9) == 0) {
8546 if (WhiteOnMove(forwardMostMove)) {
8547 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8549 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8552 } else if (strstr(message, "Draw") != NULL ||
8553 strstr(message, "game is a draw") != NULL) {
8554 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8556 } else if (strstr(message, "offer") != NULL &&
8557 strstr(message, "draw") != NULL) {
8559 if (appData.zippyPlay && first.initDone) {
8560 /* Relay offer to ICS */
8561 SendToICS(ics_prefix);
8562 SendToICS("draw\n");
8565 cps->offeredDraw = 2; /* valid until this engine moves twice */
8566 if (gameMode == TwoMachinesPlay) {
8567 if (cps->other->offeredDraw) {
8568 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8569 /* [HGM] in two-machine mode we delay relaying draw offer */
8570 /* until after we also have move, to see if it is really claim */
8572 } else if (gameMode == MachinePlaysWhite ||
8573 gameMode == MachinePlaysBlack) {
8574 if (userOfferedDraw) {
8575 DisplayInformation(_("Machine accepts your draw offer"));
8576 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8578 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8585 * Look for thinking output
8587 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8588 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8590 int plylev, mvleft, mvtot, curscore, time;
8591 char mvname[MOVE_LEN];
8595 int prefixHint = FALSE;
8596 mvname[0] = NULLCHAR;
8599 case MachinePlaysBlack:
8600 case IcsPlayingBlack:
8601 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8603 case MachinePlaysWhite:
8604 case IcsPlayingWhite:
8605 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8610 case IcsObserving: /* [DM] icsEngineAnalyze */
8611 if (!appData.icsEngineAnalyze) ignore = TRUE;
8613 case TwoMachinesPlay:
8614 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8624 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8626 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8627 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8629 if (plyext != ' ' && plyext != '\t') {
8633 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8634 if( cps->scoreIsAbsolute &&
8635 ( gameMode == MachinePlaysBlack ||
8636 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8637 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8638 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8639 !WhiteOnMove(currentMove)
8642 curscore = -curscore;
8645 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8647 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8650 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8651 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8652 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8653 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8654 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8655 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8657 } else DisplayError("failed writing PV", 0);
8660 tempStats.depth = plylev;
8661 tempStats.nodes = nodes;
8662 tempStats.time = time;
8663 tempStats.score = curscore;
8664 tempStats.got_only_move = 0;
8666 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8669 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8670 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8671 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8672 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8673 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8674 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8675 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8676 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8679 /* Buffer overflow protection */
8680 if (pv[0] != NULLCHAR) {
8681 if (strlen(pv) >= sizeof(tempStats.movelist)
8682 && appData.debugMode) {
8684 "PV is too long; using the first %u bytes.\n",
8685 (unsigned) sizeof(tempStats.movelist) - 1);
8688 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8690 sprintf(tempStats.movelist, " no PV\n");
8693 if (tempStats.seen_stat) {
8694 tempStats.ok_to_send = 1;
8697 if (strchr(tempStats.movelist, '(') != NULL) {
8698 tempStats.line_is_book = 1;
8699 tempStats.nr_moves = 0;
8700 tempStats.moves_left = 0;
8702 tempStats.line_is_book = 0;
8705 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8706 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8708 SendProgramStatsToFrontend( cps, &tempStats );
8711 [AS] Protect the thinkOutput buffer from overflow... this
8712 is only useful if buf1 hasn't overflowed first!
8714 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8716 (gameMode == TwoMachinesPlay ?
8717 ToUpper(cps->twoMachinesColor[0]) : ' '),
8718 ((double) curscore) / 100.0,
8719 prefixHint ? lastHint : "",
8720 prefixHint ? " " : "" );
8722 if( buf1[0] != NULLCHAR ) {
8723 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8725 if( strlen(pv) > max_len ) {
8726 if( appData.debugMode) {
8727 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8729 pv[max_len+1] = '\0';
8732 strcat( thinkOutput, pv);
8735 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8736 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8737 DisplayMove(currentMove - 1);
8741 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8742 /* crafty (9.25+) says "(only move) <move>"
8743 * if there is only 1 legal move
8745 sscanf(p, "(only move) %s", buf1);
8746 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8747 sprintf(programStats.movelist, "%s (only move)", buf1);
8748 programStats.depth = 1;
8749 programStats.nr_moves = 1;
8750 programStats.moves_left = 1;
8751 programStats.nodes = 1;
8752 programStats.time = 1;
8753 programStats.got_only_move = 1;
8755 /* Not really, but we also use this member to
8756 mean "line isn't going to change" (Crafty
8757 isn't searching, so stats won't change) */
8758 programStats.line_is_book = 1;
8760 SendProgramStatsToFrontend( cps, &programStats );
8762 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8763 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8764 DisplayMove(currentMove - 1);
8767 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8768 &time, &nodes, &plylev, &mvleft,
8769 &mvtot, mvname) >= 5) {
8770 /* The stat01: line is from Crafty (9.29+) in response
8771 to the "." command */
8772 programStats.seen_stat = 1;
8773 cps->maybeThinking = TRUE;
8775 if (programStats.got_only_move || !appData.periodicUpdates)
8778 programStats.depth = plylev;
8779 programStats.time = time;
8780 programStats.nodes = nodes;
8781 programStats.moves_left = mvleft;
8782 programStats.nr_moves = mvtot;
8783 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8784 programStats.ok_to_send = 1;
8785 programStats.movelist[0] = '\0';
8787 SendProgramStatsToFrontend( cps, &programStats );
8791 } else if (strncmp(message,"++",2) == 0) {
8792 /* Crafty 9.29+ outputs this */
8793 programStats.got_fail = 2;
8796 } else if (strncmp(message,"--",2) == 0) {
8797 /* Crafty 9.29+ outputs this */
8798 programStats.got_fail = 1;
8801 } else if (thinkOutput[0] != NULLCHAR &&
8802 strncmp(message, " ", 4) == 0) {
8803 unsigned message_len;
8806 while (*p && *p == ' ') p++;
8808 message_len = strlen( p );
8810 /* [AS] Avoid buffer overflow */
8811 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8812 strcat(thinkOutput, " ");
8813 strcat(thinkOutput, p);
8816 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8817 strcat(programStats.movelist, " ");
8818 strcat(programStats.movelist, p);
8821 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8822 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8823 DisplayMove(currentMove - 1);
8831 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8832 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8834 ChessProgramStats cpstats;
8836 if (plyext != ' ' && plyext != '\t') {
8840 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8841 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8842 curscore = -curscore;
8845 cpstats.depth = plylev;
8846 cpstats.nodes = nodes;
8847 cpstats.time = time;
8848 cpstats.score = curscore;
8849 cpstats.got_only_move = 0;
8850 cpstats.movelist[0] = '\0';
8852 if (buf1[0] != NULLCHAR) {
8853 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8856 cpstats.ok_to_send = 0;
8857 cpstats.line_is_book = 0;
8858 cpstats.nr_moves = 0;
8859 cpstats.moves_left = 0;
8861 SendProgramStatsToFrontend( cps, &cpstats );
8868 /* Parse a game score from the character string "game", and
8869 record it as the history of the current game. The game
8870 score is NOT assumed to start from the standard position.
8871 The display is not updated in any way.
8874 ParseGameHistory(game)
8878 int fromX, fromY, toX, toY, boardIndex;
8883 if (appData.debugMode)
8884 fprintf(debugFP, "Parsing game history: %s\n", game);
8886 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8887 gameInfo.site = StrSave(appData.icsHost);
8888 gameInfo.date = PGNDate();
8889 gameInfo.round = StrSave("-");
8891 /* Parse out names of players */
8892 while (*game == ' ') game++;
8894 while (*game != ' ') *p++ = *game++;
8896 gameInfo.white = StrSave(buf);
8897 while (*game == ' ') game++;
8899 while (*game != ' ' && *game != '\n') *p++ = *game++;
8901 gameInfo.black = StrSave(buf);
8904 boardIndex = blackPlaysFirst ? 1 : 0;
8907 yyboardindex = boardIndex;
8908 moveType = (ChessMove) Myylex();
8910 case IllegalMove: /* maybe suicide chess, etc. */
8911 if (appData.debugMode) {
8912 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8913 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8914 setbuf(debugFP, NULL);
8916 case WhitePromotion:
8917 case BlackPromotion:
8918 case WhiteNonPromotion:
8919 case BlackNonPromotion:
8921 case WhiteCapturesEnPassant:
8922 case BlackCapturesEnPassant:
8923 case WhiteKingSideCastle:
8924 case WhiteQueenSideCastle:
8925 case BlackKingSideCastle:
8926 case BlackQueenSideCastle:
8927 case WhiteKingSideCastleWild:
8928 case WhiteQueenSideCastleWild:
8929 case BlackKingSideCastleWild:
8930 case BlackQueenSideCastleWild:
8932 case WhiteHSideCastleFR:
8933 case WhiteASideCastleFR:
8934 case BlackHSideCastleFR:
8935 case BlackASideCastleFR:
8937 fromX = currentMoveString[0] - AAA;
8938 fromY = currentMoveString[1] - ONE;
8939 toX = currentMoveString[2] - AAA;
8940 toY = currentMoveString[3] - ONE;
8941 promoChar = currentMoveString[4];
8945 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8946 fromX = moveType == WhiteDrop ?
8947 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8948 (int) CharToPiece(ToLower(currentMoveString[0]));
8950 toX = currentMoveString[2] - AAA;
8951 toY = currentMoveString[3] - ONE;
8952 promoChar = NULLCHAR;
8956 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8957 if (appData.debugMode) {
8958 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8959 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8960 setbuf(debugFP, NULL);
8962 DisplayError(buf, 0);
8964 case ImpossibleMove:
8966 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8967 if (appData.debugMode) {
8968 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8969 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8970 setbuf(debugFP, NULL);
8972 DisplayError(buf, 0);
8975 if (boardIndex < backwardMostMove) {
8976 /* Oops, gap. How did that happen? */
8977 DisplayError(_("Gap in move list"), 0);
8980 backwardMostMove = blackPlaysFirst ? 1 : 0;
8981 if (boardIndex > forwardMostMove) {
8982 forwardMostMove = boardIndex;
8986 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8987 strcat(parseList[boardIndex-1], " ");
8988 strcat(parseList[boardIndex-1], yy_text);
9000 case GameUnfinished:
9001 if (gameMode == IcsExamining) {
9002 if (boardIndex < backwardMostMove) {
9003 /* Oops, gap. How did that happen? */
9006 backwardMostMove = blackPlaysFirst ? 1 : 0;
9009 gameInfo.result = moveType;
9010 p = strchr(yy_text, '{');
9011 if (p == NULL) p = strchr(yy_text, '(');
9014 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9016 q = strchr(p, *p == '{' ? '}' : ')');
9017 if (q != NULL) *q = NULLCHAR;
9020 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9021 gameInfo.resultDetails = StrSave(p);
9024 if (boardIndex >= forwardMostMove &&
9025 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9026 backwardMostMove = blackPlaysFirst ? 1 : 0;
9029 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9030 fromY, fromX, toY, toX, promoChar,
9031 parseList[boardIndex]);
9032 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9033 /* currentMoveString is set as a side-effect of yylex */
9034 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9035 strcat(moveList[boardIndex], "\n");
9037 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9038 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9044 if(gameInfo.variant != VariantShogi)
9045 strcat(parseList[boardIndex - 1], "+");
9049 strcat(parseList[boardIndex - 1], "#");
9056 /* Apply a move to the given board */
9058 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9059 int fromX, fromY, toX, toY;
9063 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9064 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9066 /* [HGM] compute & store e.p. status and castling rights for new position */
9067 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9069 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9070 oldEP = (signed char)board[EP_STATUS];
9071 board[EP_STATUS] = EP_NONE;
9073 if (fromY == DROP_RANK) {
9075 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9076 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9079 piece = board[toY][toX] = (ChessSquare) fromX;
9083 if( board[toY][toX] != EmptySquare )
9084 board[EP_STATUS] = EP_CAPTURE;
9086 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9087 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9088 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9090 if( board[fromY][fromX] == WhitePawn ) {
9091 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9092 board[EP_STATUS] = EP_PAWN_MOVE;
9094 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9095 gameInfo.variant != VariantBerolina || toX < fromX)
9096 board[EP_STATUS] = toX | berolina;
9097 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9098 gameInfo.variant != VariantBerolina || toX > fromX)
9099 board[EP_STATUS] = toX;
9102 if( board[fromY][fromX] == BlackPawn ) {
9103 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9104 board[EP_STATUS] = EP_PAWN_MOVE;
9105 if( toY-fromY== -2) {
9106 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9107 gameInfo.variant != VariantBerolina || toX < fromX)
9108 board[EP_STATUS] = toX | berolina;
9109 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9110 gameInfo.variant != VariantBerolina || toX > fromX)
9111 board[EP_STATUS] = toX;
9115 for(i=0; i<nrCastlingRights; i++) {
9116 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9117 board[CASTLING][i] == toX && castlingRank[i] == toY
9118 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9121 if (fromX == toX && fromY == toY) return;
9123 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9124 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9125 if(gameInfo.variant == VariantKnightmate)
9126 king += (int) WhiteUnicorn - (int) WhiteKing;
9128 /* Code added by Tord: */
9129 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9130 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9131 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9132 board[fromY][fromX] = EmptySquare;
9133 board[toY][toX] = EmptySquare;
9134 if((toX > fromX) != (piece == WhiteRook)) {
9135 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9137 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9139 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9140 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9141 board[fromY][fromX] = EmptySquare;
9142 board[toY][toX] = EmptySquare;
9143 if((toX > fromX) != (piece == BlackRook)) {
9144 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9146 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9148 /* End of code added by Tord */
9150 } else if (board[fromY][fromX] == king
9151 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9152 && toY == fromY && toX > fromX+1) {
9153 board[fromY][fromX] = EmptySquare;
9154 board[toY][toX] = king;
9155 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9156 board[fromY][BOARD_RGHT-1] = EmptySquare;
9157 } else if (board[fromY][fromX] == king
9158 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9159 && toY == fromY && toX < fromX-1) {
9160 board[fromY][fromX] = EmptySquare;
9161 board[toY][toX] = king;
9162 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9163 board[fromY][BOARD_LEFT] = EmptySquare;
9164 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9165 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9166 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9168 /* white pawn promotion */
9169 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9170 if(gameInfo.variant==VariantBughouse ||
9171 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9172 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9173 board[fromY][fromX] = EmptySquare;
9174 } else if ((fromY >= BOARD_HEIGHT>>1)
9176 && gameInfo.variant != VariantXiangqi
9177 && gameInfo.variant != VariantBerolina
9178 && (board[fromY][fromX] == WhitePawn)
9179 && (board[toY][toX] == EmptySquare)) {
9180 board[fromY][fromX] = EmptySquare;
9181 board[toY][toX] = WhitePawn;
9182 captured = board[toY - 1][toX];
9183 board[toY - 1][toX] = EmptySquare;
9184 } else if ((fromY == BOARD_HEIGHT-4)
9186 && gameInfo.variant == VariantBerolina
9187 && (board[fromY][fromX] == WhitePawn)
9188 && (board[toY][toX] == EmptySquare)) {
9189 board[fromY][fromX] = EmptySquare;
9190 board[toY][toX] = WhitePawn;
9191 if(oldEP & EP_BEROLIN_A) {
9192 captured = board[fromY][fromX-1];
9193 board[fromY][fromX-1] = EmptySquare;
9194 }else{ captured = board[fromY][fromX+1];
9195 board[fromY][fromX+1] = EmptySquare;
9197 } else if (board[fromY][fromX] == king
9198 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9199 && toY == fromY && toX > fromX+1) {
9200 board[fromY][fromX] = EmptySquare;
9201 board[toY][toX] = king;
9202 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9203 board[fromY][BOARD_RGHT-1] = EmptySquare;
9204 } else if (board[fromY][fromX] == king
9205 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9206 && toY == fromY && toX < fromX-1) {
9207 board[fromY][fromX] = EmptySquare;
9208 board[toY][toX] = king;
9209 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9210 board[fromY][BOARD_LEFT] = EmptySquare;
9211 } else if (fromY == 7 && fromX == 3
9212 && board[fromY][fromX] == BlackKing
9213 && toY == 7 && toX == 5) {
9214 board[fromY][fromX] = EmptySquare;
9215 board[toY][toX] = BlackKing;
9216 board[fromY][7] = EmptySquare;
9217 board[toY][4] = BlackRook;
9218 } else if (fromY == 7 && fromX == 3
9219 && board[fromY][fromX] == BlackKing
9220 && toY == 7 && toX == 1) {
9221 board[fromY][fromX] = EmptySquare;
9222 board[toY][toX] = BlackKing;
9223 board[fromY][0] = EmptySquare;
9224 board[toY][2] = BlackRook;
9225 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9226 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9227 && toY < promoRank && promoChar
9229 /* black pawn promotion */
9230 board[toY][toX] = CharToPiece(ToLower(promoChar));
9231 if(gameInfo.variant==VariantBughouse ||
9232 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9233 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9234 board[fromY][fromX] = EmptySquare;
9235 } else if ((fromY < BOARD_HEIGHT>>1)
9237 && gameInfo.variant != VariantXiangqi
9238 && gameInfo.variant != VariantBerolina
9239 && (board[fromY][fromX] == BlackPawn)
9240 && (board[toY][toX] == EmptySquare)) {
9241 board[fromY][fromX] = EmptySquare;
9242 board[toY][toX] = BlackPawn;
9243 captured = board[toY + 1][toX];
9244 board[toY + 1][toX] = EmptySquare;
9245 } else if ((fromY == 3)
9247 && gameInfo.variant == VariantBerolina
9248 && (board[fromY][fromX] == BlackPawn)
9249 && (board[toY][toX] == EmptySquare)) {
9250 board[fromY][fromX] = EmptySquare;
9251 board[toY][toX] = BlackPawn;
9252 if(oldEP & EP_BEROLIN_A) {
9253 captured = board[fromY][fromX-1];
9254 board[fromY][fromX-1] = EmptySquare;
9255 }else{ captured = board[fromY][fromX+1];
9256 board[fromY][fromX+1] = EmptySquare;
9259 board[toY][toX] = board[fromY][fromX];
9260 board[fromY][fromX] = EmptySquare;
9264 if (gameInfo.holdingsWidth != 0) {
9266 /* !!A lot more code needs to be written to support holdings */
9267 /* [HGM] OK, so I have written it. Holdings are stored in the */
9268 /* penultimate board files, so they are automaticlly stored */
9269 /* in the game history. */
9270 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9271 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9272 /* Delete from holdings, by decreasing count */
9273 /* and erasing image if necessary */
9274 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9275 if(p < (int) BlackPawn) { /* white drop */
9276 p -= (int)WhitePawn;
9277 p = PieceToNumber((ChessSquare)p);
9278 if(p >= gameInfo.holdingsSize) p = 0;
9279 if(--board[p][BOARD_WIDTH-2] <= 0)
9280 board[p][BOARD_WIDTH-1] = EmptySquare;
9281 if((int)board[p][BOARD_WIDTH-2] < 0)
9282 board[p][BOARD_WIDTH-2] = 0;
9283 } else { /* black drop */
9284 p -= (int)BlackPawn;
9285 p = PieceToNumber((ChessSquare)p);
9286 if(p >= gameInfo.holdingsSize) p = 0;
9287 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9288 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9289 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9290 board[BOARD_HEIGHT-1-p][1] = 0;
9293 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9294 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9295 /* [HGM] holdings: Add to holdings, if holdings exist */
9296 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9297 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9298 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9301 if (p >= (int) BlackPawn) {
9302 p -= (int)BlackPawn;
9303 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9304 /* in Shogi restore piece to its original first */
9305 captured = (ChessSquare) (DEMOTED captured);
9308 p = PieceToNumber((ChessSquare)p);
9309 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9310 board[p][BOARD_WIDTH-2]++;
9311 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9313 p -= (int)WhitePawn;
9314 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9315 captured = (ChessSquare) (DEMOTED captured);
9318 p = PieceToNumber((ChessSquare)p);
9319 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9320 board[BOARD_HEIGHT-1-p][1]++;
9321 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9324 } else if (gameInfo.variant == VariantAtomic) {
9325 if (captured != EmptySquare) {
9327 for (y = toY-1; y <= toY+1; y++) {
9328 for (x = toX-1; x <= toX+1; x++) {
9329 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9330 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9331 board[y][x] = EmptySquare;
9335 board[toY][toX] = EmptySquare;
9338 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9339 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9341 if(promoChar == '+') {
9342 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9343 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9344 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9345 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9347 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9348 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9349 // [HGM] superchess: take promotion piece out of holdings
9350 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9351 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9352 if(!--board[k][BOARD_WIDTH-2])
9353 board[k][BOARD_WIDTH-1] = EmptySquare;
9355 if(!--board[BOARD_HEIGHT-1-k][1])
9356 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9362 /* Updates forwardMostMove */
9364 MakeMove(fromX, fromY, toX, toY, promoChar)
9365 int fromX, fromY, toX, toY;
9368 // forwardMostMove++; // [HGM] bare: moved downstream
9370 (void) CoordsToAlgebraic(boards[forwardMostMove],
9371 PosFlags(forwardMostMove),
9372 fromY, fromX, toY, toX, promoChar,
9373 parseList[forwardMostMove]);
9375 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9376 int timeLeft; static int lastLoadFlag=0; int king, piece;
9377 piece = boards[forwardMostMove][fromY][fromX];
9378 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9379 if(gameInfo.variant == VariantKnightmate)
9380 king += (int) WhiteUnicorn - (int) WhiteKing;
9381 if(forwardMostMove == 0) {
9382 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9383 fprintf(serverMoves, "%s;", UserName());
9384 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9385 fprintf(serverMoves, "%s;", second.tidy);
9386 fprintf(serverMoves, "%s;", first.tidy);
9387 if(gameMode == MachinePlaysWhite)
9388 fprintf(serverMoves, "%s;", UserName());
9389 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9390 fprintf(serverMoves, "%s;", second.tidy);
9391 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9392 lastLoadFlag = loadFlag;
9394 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9395 // print castling suffix
9396 if( toY == fromY && piece == king ) {
9398 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9400 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9403 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9404 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9405 boards[forwardMostMove][toY][toX] == EmptySquare
9406 && fromX != toX && fromY != toY)
9407 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9409 if(promoChar != NULLCHAR)
9410 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9412 char buf[MOVE_LEN*2], *p; int len;
9413 fprintf(serverMoves, "/%d/%d",
9414 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9415 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9416 else timeLeft = blackTimeRemaining/1000;
9417 fprintf(serverMoves, "/%d", timeLeft);
9418 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9419 if(p = strchr(buf, '=')) *p = NULLCHAR;
9420 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9421 fprintf(serverMoves, "/%s", buf);
9423 fflush(serverMoves);
9426 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9427 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9430 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9431 if (commentList[forwardMostMove+1] != NULL) {
9432 free(commentList[forwardMostMove+1]);
9433 commentList[forwardMostMove+1] = NULL;
9435 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9436 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9437 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9438 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9439 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9440 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9441 gameInfo.result = GameUnfinished;
9442 if (gameInfo.resultDetails != NULL) {
9443 free(gameInfo.resultDetails);
9444 gameInfo.resultDetails = NULL;
9446 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9447 moveList[forwardMostMove - 1]);
9448 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9454 if(gameInfo.variant != VariantShogi)
9455 strcat(parseList[forwardMostMove - 1], "+");
9459 strcat(parseList[forwardMostMove - 1], "#");
9462 if (appData.debugMode) {
9463 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9468 /* Updates currentMove if not pausing */
9470 ShowMove(fromX, fromY, toX, toY)
9472 int instant = (gameMode == PlayFromGameFile) ?
9473 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9474 if(appData.noGUI) return;
9475 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9477 if (forwardMostMove == currentMove + 1) {
9478 AnimateMove(boards[forwardMostMove - 1],
9479 fromX, fromY, toX, toY);
9481 if (appData.highlightLastMove) {
9482 SetHighlights(fromX, fromY, toX, toY);
9485 currentMove = forwardMostMove;
9488 if (instant) return;
9490 DisplayMove(currentMove - 1);
9491 DrawPosition(FALSE, boards[currentMove]);
9492 DisplayBothClocks();
9493 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9496 void SendEgtPath(ChessProgramState *cps)
9497 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9498 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9500 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9503 char c, *q = name+1, *r, *s;
9505 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9506 while(*p && *p != ',') *q++ = *p++;
9508 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9509 strcmp(name, ",nalimov:") == 0 ) {
9510 // take nalimov path from the menu-changeable option first, if it is defined
9511 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9512 SendToProgram(buf,cps); // send egtbpath command for nalimov
9514 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9515 (s = StrStr(appData.egtFormats, name)) != NULL) {
9516 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9517 s = r = StrStr(s, ":") + 1; // beginning of path info
9518 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9519 c = *r; *r = 0; // temporarily null-terminate path info
9520 *--q = 0; // strip of trailig ':' from name
9521 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9523 SendToProgram(buf,cps); // send egtbpath command for this format
9525 if(*p == ',') p++; // read away comma to position for next format name
9530 InitChessProgram(cps, setup)
9531 ChessProgramState *cps;
9532 int setup; /* [HGM] needed to setup FRC opening position */
9534 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9535 if (appData.noChessProgram) return;
9536 hintRequested = FALSE;
9537 bookRequested = FALSE;
9539 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9540 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9541 if(cps->memSize) { /* [HGM] memory */
9542 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9543 SendToProgram(buf, cps);
9545 SendEgtPath(cps); /* [HGM] EGT */
9546 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9547 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9548 SendToProgram(buf, cps);
9551 SendToProgram(cps->initString, cps);
9552 if (gameInfo.variant != VariantNormal &&
9553 gameInfo.variant != VariantLoadable
9554 /* [HGM] also send variant if board size non-standard */
9555 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9557 char *v = VariantName(gameInfo.variant);
9558 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9559 /* [HGM] in protocol 1 we have to assume all variants valid */
9560 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9561 DisplayFatalError(buf, 0, 1);
9565 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9566 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9567 if( gameInfo.variant == VariantXiangqi )
9568 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9569 if( gameInfo.variant == VariantShogi )
9570 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9571 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9572 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9573 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9574 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9575 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9576 if( gameInfo.variant == VariantCourier )
9577 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9578 if( gameInfo.variant == VariantSuper )
9579 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9580 if( gameInfo.variant == VariantGreat )
9581 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9582 if( gameInfo.variant == VariantSChess )
9583 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9584 if( gameInfo.variant == VariantGrand )
9585 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9588 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9589 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9590 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9591 if(StrStr(cps->variants, b) == NULL) {
9592 // specific sized variant not known, check if general sizing allowed
9593 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9594 if(StrStr(cps->variants, "boardsize") == NULL) {
9595 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9596 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9597 DisplayFatalError(buf, 0, 1);
9600 /* [HGM] here we really should compare with the maximum supported board size */
9603 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9604 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9605 SendToProgram(buf, cps);
9607 currentlyInitializedVariant = gameInfo.variant;
9609 /* [HGM] send opening position in FRC to first engine */
9611 SendToProgram("force\n", cps);
9613 /* engine is now in force mode! Set flag to wake it up after first move. */
9614 setboardSpoiledMachineBlack = 1;
9618 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9619 SendToProgram(buf, cps);
9621 cps->maybeThinking = FALSE;
9622 cps->offeredDraw = 0;
9623 if (!appData.icsActive) {
9624 SendTimeControl(cps, movesPerSession, timeControl,
9625 timeIncrement, appData.searchDepth,
9628 if (appData.showThinking
9629 // [HGM] thinking: four options require thinking output to be sent
9630 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9632 SendToProgram("post\n", cps);
9634 SendToProgram("hard\n", cps);
9635 if (!appData.ponderNextMove) {
9636 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9637 it without being sure what state we are in first. "hard"
9638 is not a toggle, so that one is OK.
9640 SendToProgram("easy\n", cps);
9643 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9644 SendToProgram(buf, cps);
9646 cps->initDone = TRUE;
9647 ClearEngineOutputPane(cps == &second);
9652 StartChessProgram(cps)
9653 ChessProgramState *cps;
9658 if (appData.noChessProgram) return;
9659 cps->initDone = FALSE;
9661 if (strcmp(cps->host, "localhost") == 0) {
9662 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9663 } else if (*appData.remoteShell == NULLCHAR) {
9664 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9666 if (*appData.remoteUser == NULLCHAR) {
9667 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9670 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9671 cps->host, appData.remoteUser, cps->program);
9673 err = StartChildProcess(buf, "", &cps->pr);
9677 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9678 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9679 if(cps != &first) return;
9680 appData.noChessProgram = TRUE;
9683 // DisplayFatalError(buf, err, 1);
9684 // cps->pr = NoProc;
9689 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9690 if (cps->protocolVersion > 1) {
9691 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9692 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9693 cps->comboCnt = 0; // and values of combo boxes
9694 SendToProgram(buf, cps);
9696 SendToProgram("xboard\n", cps);
9701 TwoMachinesEventIfReady P((void))
9703 static int curMess = 0;
9704 if (first.lastPing != first.lastPong) {
9705 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9706 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9709 if (second.lastPing != second.lastPong) {
9710 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9711 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9714 DisplayMessage("", ""); curMess = 0;
9720 MakeName(char *template)
9724 static char buf[MSG_SIZ];
9728 clock = time((time_t *)NULL);
9729 tm = localtime(&clock);
9731 while(*p++ = *template++) if(p[-1] == '%') {
9732 switch(*template++) {
9733 case 0: *p = 0; return buf;
9734 case 'Y': i = tm->tm_year+1900; break;
9735 case 'y': i = tm->tm_year-100; break;
9736 case 'M': i = tm->tm_mon+1; break;
9737 case 'd': i = tm->tm_mday; break;
9738 case 'h': i = tm->tm_hour; break;
9739 case 'm': i = tm->tm_min; break;
9740 case 's': i = tm->tm_sec; break;
9743 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9749 CountPlayers(char *p)
9752 while(p = strchr(p, '\n')) p++, n++; // count participants
9757 WriteTourneyFile(char *results, FILE *f)
9758 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9759 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9760 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9761 // create a file with tournament description
9762 fprintf(f, "-participants {%s}\n", appData.participants);
9763 fprintf(f, "-seedBase %d\n", appData.seedBase);
9764 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9765 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9766 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9767 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9768 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9769 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9770 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9771 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9772 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9773 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9774 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9776 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9778 fprintf(f, "-mps %d\n", appData.movesPerSession);
9779 fprintf(f, "-tc %s\n", appData.timeControl);
9780 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9782 fprintf(f, "-results \"%s\"\n", results);
9787 #define MAXENGINES 1000
9788 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9790 void Substitute(char *participants, int expunge)
9792 int i, changed, changes=0, nPlayers=0;
9793 char *p, *q, *r, buf[MSG_SIZ];
9794 if(participants == NULL) return;
9795 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9796 r = p = participants; q = appData.participants;
9797 while(*p && *p == *q) {
9798 if(*p == '\n') r = p+1, nPlayers++;
9801 if(*p) { // difference
9802 while(*p && *p++ != '\n');
9803 while(*q && *q++ != '\n');
9805 changes = 1 + (strcmp(p, q) != 0);
9807 if(changes == 1) { // a single engine mnemonic was changed
9808 q = r; while(*q) nPlayers += (*q++ == '\n');
9809 p = buf; while(*r && (*p = *r++) != '\n') p++;
9811 NamesToList(firstChessProgramNames, command, mnemonic);
9812 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9813 if(mnemonic[i]) { // The substitute is valid
9815 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9816 flock(fileno(f), LOCK_EX);
9817 ParseArgsFromFile(f);
9818 fseek(f, 0, SEEK_SET);
9819 FREE(appData.participants); appData.participants = participants;
9820 if(expunge) { // erase results of replaced engine
9821 int len = strlen(appData.results), w, b, dummy;
9822 for(i=0; i<len; i++) {
9823 Pairing(i, nPlayers, &w, &b, &dummy);
9824 if((w == changed || b == changed) && appData.results[i] == '*') {
9825 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9830 for(i=0; i<len; i++) {
9831 Pairing(i, nPlayers, &w, &b, &dummy);
9832 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9835 WriteTourneyFile(appData.results, f);
9836 fclose(f); // release lock
9839 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9841 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9842 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9848 CreateTourney(char *name)
9851 if(matchMode && strcmp(name, appData.tourneyFile)) {
9852 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9854 if(name[0] == NULLCHAR) {
9855 if(appData.participants[0])
9856 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9859 f = fopen(name, "r");
9860 if(f) { // file exists
9861 ASSIGN(appData.tourneyFile, name);
9862 ParseArgsFromFile(f); // parse it
9864 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9865 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9866 DisplayError(_("Not enough participants"), 0);
9869 ASSIGN(appData.tourneyFile, name);
9870 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9871 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9874 appData.noChessProgram = FALSE;
9875 appData.clockMode = TRUE;
9880 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9882 char buf[MSG_SIZ], *p, *q;
9886 while(*p && *p != '\n') *q++ = *p++;
9888 if(engineList[i]) free(engineList[i]);
9889 engineList[i] = strdup(buf);
9891 TidyProgramName(engineList[i], "localhost", buf);
9892 if(engineMnemonic[i]) free(engineMnemonic[i]);
9893 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9895 sscanf(q + 8, "%s", buf + strlen(buf));
9898 engineMnemonic[i] = strdup(buf);
9900 if(i > MAXENGINES - 2) break;
9902 engineList[i] = engineMnemonic[i] = NULL;
9905 // following implemented as macro to avoid type limitations
9906 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9908 void SwapEngines(int n)
9909 { // swap settings for first engine and other engine (so far only some selected options)
9914 SWAP(chessProgram, p)
9916 SWAP(hasOwnBookUCI, h)
9917 SWAP(protocolVersion, h)
9919 SWAP(scoreIsAbsolute, h)
9927 SetPlayer(int player)
9928 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9930 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9931 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9932 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9933 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9935 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9936 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9937 ParseArgsFromString(buf);
9943 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9944 { // determine players from game number
9945 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9947 if(appData.tourneyType == 0) {
9948 roundsPerCycle = (nPlayers - 1) | 1;
9949 pairingsPerRound = nPlayers / 2;
9950 } else if(appData.tourneyType > 0) {
9951 roundsPerCycle = nPlayers - appData.tourneyType;
9952 pairingsPerRound = appData.tourneyType;
9954 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9955 gamesPerCycle = gamesPerRound * roundsPerCycle;
9956 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9957 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9958 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9959 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9960 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9961 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9963 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9964 if(appData.roundSync) *syncInterval = gamesPerRound;
9966 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9968 if(appData.tourneyType == 0) {
9969 if(curPairing == (nPlayers-1)/2 ) {
9970 *whitePlayer = curRound;
9971 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9973 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9974 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9975 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9976 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9978 } else if(appData.tourneyType > 0) {
9979 *whitePlayer = curPairing;
9980 *blackPlayer = curRound + appData.tourneyType;
9983 // take care of white/black alternation per round.
9984 // For cycles and games this is already taken care of by default, derived from matchGame!
9985 return curRound & 1;
9989 NextTourneyGame(int nr, int *swapColors)
9990 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9992 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9994 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9995 tf = fopen(appData.tourneyFile, "r");
9996 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9997 ParseArgsFromFile(tf); fclose(tf);
9998 InitTimeControls(); // TC might be altered from tourney file
10000 nPlayers = CountPlayers(appData.participants); // count participants
10001 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10002 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10005 p = q = appData.results;
10006 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10007 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10008 DisplayMessage(_("Waiting for other game(s)"),"");
10009 waitingForGame = TRUE;
10010 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10013 waitingForGame = FALSE;
10016 if(appData.tourneyType < 0) {
10017 if(nr>=0 && !pairingReceived) {
10019 if(pairing.pr == NoProc) {
10020 if(!appData.pairingEngine[0]) {
10021 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10024 StartChessProgram(&pairing); // starts the pairing engine
10026 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10027 SendToProgram(buf, &pairing);
10028 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10029 SendToProgram(buf, &pairing);
10030 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10032 pairingReceived = 0; // ... so we continue here
10034 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10035 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10036 matchGame = 1; roundNr = nr / syncInterval + 1;
10039 if(first.pr != NoProc) return 1; // engines already loaded
10041 // redefine engines, engine dir, etc.
10042 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10043 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10045 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10046 SwapEngines(1); // and make that valid for second engine by swapping
10047 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10048 InitEngine(&second, 1);
10049 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10050 UpdateLogos(FALSE); // leave display to ModeHiglight()
10056 { // performs game initialization that does not invoke engines, and then tries to start the game
10057 int res, firstWhite, swapColors = 0;
10058 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10059 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10060 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10061 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10062 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10063 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10064 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10065 Reset(FALSE, first.pr != NoProc);
10066 res = LoadGameOrPosition(matchGame); // setup game
10067 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10068 if(!res) return; // abort when bad game/pos file
10069 TwoMachinesEvent();
10072 void UserAdjudicationEvent( int result )
10074 ChessMove gameResult = GameIsDrawn;
10077 gameResult = WhiteWins;
10079 else if( result < 0 ) {
10080 gameResult = BlackWins;
10083 if( gameMode == TwoMachinesPlay ) {
10084 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10089 // [HGM] save: calculate checksum of game to make games easily identifiable
10090 int StringCheckSum(char *s)
10093 if(s==NULL) return 0;
10094 while(*s) i = i*259 + *s++;
10101 for(i=backwardMostMove; i<forwardMostMove; i++) {
10102 sum += pvInfoList[i].depth;
10103 sum += StringCheckSum(parseList[i]);
10104 sum += StringCheckSum(commentList[i]);
10107 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10108 return sum + StringCheckSum(commentList[i]);
10109 } // end of save patch
10112 GameEnds(result, resultDetails, whosays)
10114 char *resultDetails;
10117 GameMode nextGameMode;
10119 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10121 if(endingGame) return; /* [HGM] crash: forbid recursion */
10123 if(twoBoards) { // [HGM] dual: switch back to one board
10124 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10125 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10127 if (appData.debugMode) {
10128 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10129 result, resultDetails ? resultDetails : "(null)", whosays);
10132 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10134 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10135 /* If we are playing on ICS, the server decides when the
10136 game is over, but the engine can offer to draw, claim
10140 if (appData.zippyPlay && first.initDone) {
10141 if (result == GameIsDrawn) {
10142 /* In case draw still needs to be claimed */
10143 SendToICS(ics_prefix);
10144 SendToICS("draw\n");
10145 } else if (StrCaseStr(resultDetails, "resign")) {
10146 SendToICS(ics_prefix);
10147 SendToICS("resign\n");
10151 endingGame = 0; /* [HGM] crash */
10155 /* If we're loading the game from a file, stop */
10156 if (whosays == GE_FILE) {
10157 (void) StopLoadGameTimer();
10161 /* Cancel draw offers */
10162 first.offeredDraw = second.offeredDraw = 0;
10164 /* If this is an ICS game, only ICS can really say it's done;
10165 if not, anyone can. */
10166 isIcsGame = (gameMode == IcsPlayingWhite ||
10167 gameMode == IcsPlayingBlack ||
10168 gameMode == IcsObserving ||
10169 gameMode == IcsExamining);
10171 if (!isIcsGame || whosays == GE_ICS) {
10172 /* OK -- not an ICS game, or ICS said it was done */
10174 if (!isIcsGame && !appData.noChessProgram)
10175 SetUserThinkingEnables();
10177 /* [HGM] if a machine claims the game end we verify this claim */
10178 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10179 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10181 ChessMove trueResult = (ChessMove) -1;
10183 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10184 first.twoMachinesColor[0] :
10185 second.twoMachinesColor[0] ;
10187 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10188 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10189 /* [HGM] verify: engine mate claims accepted if they were flagged */
10190 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10192 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10193 /* [HGM] verify: engine mate claims accepted if they were flagged */
10194 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10196 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10197 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10200 // now verify win claims, but not in drop games, as we don't understand those yet
10201 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10202 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10203 (result == WhiteWins && claimer == 'w' ||
10204 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10205 if (appData.debugMode) {
10206 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10207 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10209 if(result != trueResult) {
10210 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10211 result = claimer == 'w' ? BlackWins : WhiteWins;
10212 resultDetails = buf;
10215 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10216 && (forwardMostMove <= backwardMostMove ||
10217 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10218 (claimer=='b')==(forwardMostMove&1))
10220 /* [HGM] verify: draws that were not flagged are false claims */
10221 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10222 result = claimer == 'w' ? BlackWins : WhiteWins;
10223 resultDetails = buf;
10225 /* (Claiming a loss is accepted no questions asked!) */
10227 /* [HGM] bare: don't allow bare King to win */
10228 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10229 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10230 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10231 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10232 && result != GameIsDrawn)
10233 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10234 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10235 int p = (signed char)boards[forwardMostMove][i][j] - color;
10236 if(p >= 0 && p <= (int)WhiteKing) k++;
10238 if (appData.debugMode) {
10239 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10240 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10243 result = GameIsDrawn;
10244 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10245 resultDetails = buf;
10251 if(serverMoves != NULL && !loadFlag) { char c = '=';
10252 if(result==WhiteWins) c = '+';
10253 if(result==BlackWins) c = '-';
10254 if(resultDetails != NULL)
10255 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10257 if (resultDetails != NULL) {
10258 gameInfo.result = result;
10259 gameInfo.resultDetails = StrSave(resultDetails);
10261 /* display last move only if game was not loaded from file */
10262 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10263 DisplayMove(currentMove - 1);
10265 if (forwardMostMove != 0) {
10266 if (gameMode != PlayFromGameFile && gameMode != EditGame
10267 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10269 if (*appData.saveGameFile != NULLCHAR) {
10270 SaveGameToFile(appData.saveGameFile, TRUE);
10271 } else if (appData.autoSaveGames) {
10274 if (*appData.savePositionFile != NULLCHAR) {
10275 SavePositionToFile(appData.savePositionFile);
10280 /* Tell program how game ended in case it is learning */
10281 /* [HGM] Moved this to after saving the PGN, just in case */
10282 /* engine died and we got here through time loss. In that */
10283 /* case we will get a fatal error writing the pipe, which */
10284 /* would otherwise lose us the PGN. */
10285 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10286 /* output during GameEnds should never be fatal anymore */
10287 if (gameMode == MachinePlaysWhite ||
10288 gameMode == MachinePlaysBlack ||
10289 gameMode == TwoMachinesPlay ||
10290 gameMode == IcsPlayingWhite ||
10291 gameMode == IcsPlayingBlack ||
10292 gameMode == BeginningOfGame) {
10294 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10296 if (first.pr != NoProc) {
10297 SendToProgram(buf, &first);
10299 if (second.pr != NoProc &&
10300 gameMode == TwoMachinesPlay) {
10301 SendToProgram(buf, &second);
10306 if (appData.icsActive) {
10307 if (appData.quietPlay &&
10308 (gameMode == IcsPlayingWhite ||
10309 gameMode == IcsPlayingBlack)) {
10310 SendToICS(ics_prefix);
10311 SendToICS("set shout 1\n");
10313 nextGameMode = IcsIdle;
10314 ics_user_moved = FALSE;
10315 /* clean up premove. It's ugly when the game has ended and the
10316 * premove highlights are still on the board.
10319 gotPremove = FALSE;
10320 ClearPremoveHighlights();
10321 DrawPosition(FALSE, boards[currentMove]);
10323 if (whosays == GE_ICS) {
10326 if (gameMode == IcsPlayingWhite)
10328 else if(gameMode == IcsPlayingBlack)
10329 PlayIcsLossSound();
10332 if (gameMode == IcsPlayingBlack)
10334 else if(gameMode == IcsPlayingWhite)
10335 PlayIcsLossSound();
10338 PlayIcsDrawSound();
10341 PlayIcsUnfinishedSound();
10344 } else if (gameMode == EditGame ||
10345 gameMode == PlayFromGameFile ||
10346 gameMode == AnalyzeMode ||
10347 gameMode == AnalyzeFile) {
10348 nextGameMode = gameMode;
10350 nextGameMode = EndOfGame;
10355 nextGameMode = gameMode;
10358 if (appData.noChessProgram) {
10359 gameMode = nextGameMode;
10361 endingGame = 0; /* [HGM] crash */
10366 /* Put first chess program into idle state */
10367 if (first.pr != NoProc &&
10368 (gameMode == MachinePlaysWhite ||
10369 gameMode == MachinePlaysBlack ||
10370 gameMode == TwoMachinesPlay ||
10371 gameMode == IcsPlayingWhite ||
10372 gameMode == IcsPlayingBlack ||
10373 gameMode == BeginningOfGame)) {
10374 SendToProgram("force\n", &first);
10375 if (first.usePing) {
10377 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10378 SendToProgram(buf, &first);
10381 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10382 /* Kill off first chess program */
10383 if (first.isr != NULL)
10384 RemoveInputSource(first.isr);
10387 if (first.pr != NoProc) {
10389 DoSleep( appData.delayBeforeQuit );
10390 SendToProgram("quit\n", &first);
10391 DoSleep( appData.delayAfterQuit );
10392 DestroyChildProcess(first.pr, first.useSigterm);
10396 if (second.reuse) {
10397 /* Put second chess program into idle state */
10398 if (second.pr != NoProc &&
10399 gameMode == TwoMachinesPlay) {
10400 SendToProgram("force\n", &second);
10401 if (second.usePing) {
10403 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10404 SendToProgram(buf, &second);
10407 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10408 /* Kill off second chess program */
10409 if (second.isr != NULL)
10410 RemoveInputSource(second.isr);
10413 if (second.pr != NoProc) {
10414 DoSleep( appData.delayBeforeQuit );
10415 SendToProgram("quit\n", &second);
10416 DoSleep( appData.delayAfterQuit );
10417 DestroyChildProcess(second.pr, second.useSigterm);
10419 second.pr = NoProc;
10422 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10423 char resChar = '=';
10427 if (first.twoMachinesColor[0] == 'w') {
10430 second.matchWins++;
10435 if (first.twoMachinesColor[0] == 'b') {
10438 second.matchWins++;
10441 case GameUnfinished:
10447 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10448 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10449 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10450 ReserveGame(nextGame, resChar); // sets nextGame
10451 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10452 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10453 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10455 if (nextGame <= appData.matchGames && !abortMatch) {
10456 gameMode = nextGameMode;
10457 matchGame = nextGame; // this will be overruled in tourney mode!
10458 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10459 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10460 endingGame = 0; /* [HGM] crash */
10463 gameMode = nextGameMode;
10464 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10465 first.tidy, second.tidy,
10466 first.matchWins, second.matchWins,
10467 appData.matchGames - (first.matchWins + second.matchWins));
10468 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10469 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10470 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10471 first.twoMachinesColor = "black\n";
10472 second.twoMachinesColor = "white\n";
10474 first.twoMachinesColor = "white\n";
10475 second.twoMachinesColor = "black\n";
10479 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10480 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10482 gameMode = nextGameMode;
10484 endingGame = 0; /* [HGM] crash */
10485 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10486 if(matchMode == TRUE) { // match through command line: exit with or without popup
10488 ToNrEvent(forwardMostMove);
10489 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10491 } else DisplayFatalError(buf, 0, 0);
10492 } else { // match through menu; just stop, with or without popup
10493 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10496 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10497 } else DisplayNote(buf);
10499 if(ranking) free(ranking);
10503 /* Assumes program was just initialized (initString sent).
10504 Leaves program in force mode. */
10506 FeedMovesToProgram(cps, upto)
10507 ChessProgramState *cps;
10512 if (appData.debugMode)
10513 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10514 startedFromSetupPosition ? "position and " : "",
10515 backwardMostMove, upto, cps->which);
10516 if(currentlyInitializedVariant != gameInfo.variant) {
10518 // [HGM] variantswitch: make engine aware of new variant
10519 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10520 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10521 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10522 SendToProgram(buf, cps);
10523 currentlyInitializedVariant = gameInfo.variant;
10525 SendToProgram("force\n", cps);
10526 if (startedFromSetupPosition) {
10527 SendBoard(cps, backwardMostMove);
10528 if (appData.debugMode) {
10529 fprintf(debugFP, "feedMoves\n");
10532 for (i = backwardMostMove; i < upto; i++) {
10533 SendMoveToProgram(i, cps);
10539 ResurrectChessProgram()
10541 /* The chess program may have exited.
10542 If so, restart it and feed it all the moves made so far. */
10543 static int doInit = 0;
10545 if (appData.noChessProgram) return 1;
10547 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10548 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10549 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10550 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10552 if (first.pr != NoProc) return 1;
10553 StartChessProgram(&first);
10555 InitChessProgram(&first, FALSE);
10556 FeedMovesToProgram(&first, currentMove);
10558 if (!first.sendTime) {
10559 /* can't tell gnuchess what its clock should read,
10560 so we bow to its notion. */
10562 timeRemaining[0][currentMove] = whiteTimeRemaining;
10563 timeRemaining[1][currentMove] = blackTimeRemaining;
10566 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10567 appData.icsEngineAnalyze) && first.analysisSupport) {
10568 SendToProgram("analyze\n", &first);
10569 first.analyzing = TRUE;
10575 * Button procedures
10578 Reset(redraw, init)
10583 if (appData.debugMode) {
10584 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10585 redraw, init, gameMode);
10587 CleanupTail(); // [HGM] vari: delete any stored variations
10588 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10589 pausing = pauseExamInvalid = FALSE;
10590 startedFromSetupPosition = blackPlaysFirst = FALSE;
10592 whiteFlag = blackFlag = FALSE;
10593 userOfferedDraw = FALSE;
10594 hintRequested = bookRequested = FALSE;
10595 first.maybeThinking = FALSE;
10596 second.maybeThinking = FALSE;
10597 first.bookSuspend = FALSE; // [HGM] book
10598 second.bookSuspend = FALSE;
10599 thinkOutput[0] = NULLCHAR;
10600 lastHint[0] = NULLCHAR;
10601 ClearGameInfo(&gameInfo);
10602 gameInfo.variant = StringToVariant(appData.variant);
10603 ics_user_moved = ics_clock_paused = FALSE;
10604 ics_getting_history = H_FALSE;
10606 white_holding[0] = black_holding[0] = NULLCHAR;
10607 ClearProgramStats();
10608 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10612 flipView = appData.flipView;
10613 ClearPremoveHighlights();
10614 gotPremove = FALSE;
10615 alarmSounded = FALSE;
10617 GameEnds(EndOfFile, NULL, GE_PLAYER);
10618 if(appData.serverMovesName != NULL) {
10619 /* [HGM] prepare to make moves file for broadcasting */
10620 clock_t t = clock();
10621 if(serverMoves != NULL) fclose(serverMoves);
10622 serverMoves = fopen(appData.serverMovesName, "r");
10623 if(serverMoves != NULL) {
10624 fclose(serverMoves);
10625 /* delay 15 sec before overwriting, so all clients can see end */
10626 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10628 serverMoves = fopen(appData.serverMovesName, "w");
10632 gameMode = BeginningOfGame;
10634 if(appData.icsActive) gameInfo.variant = VariantNormal;
10635 currentMove = forwardMostMove = backwardMostMove = 0;
10636 InitPosition(redraw);
10637 for (i = 0; i < MAX_MOVES; i++) {
10638 if (commentList[i] != NULL) {
10639 free(commentList[i]);
10640 commentList[i] = NULL;
10644 timeRemaining[0][0] = whiteTimeRemaining;
10645 timeRemaining[1][0] = blackTimeRemaining;
10647 if (first.pr == NULL) {
10648 StartChessProgram(&first);
10651 InitChessProgram(&first, startedFromSetupPosition);
10654 DisplayMessage("", "");
10655 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10656 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10663 if (!AutoPlayOneMove())
10665 if (matchMode || appData.timeDelay == 0)
10667 if (appData.timeDelay < 0)
10669 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10678 int fromX, fromY, toX, toY;
10680 if (appData.debugMode) {
10681 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10684 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10687 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10688 pvInfoList[currentMove].depth = programStats.depth;
10689 pvInfoList[currentMove].score = programStats.score;
10690 pvInfoList[currentMove].time = 0;
10691 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10694 if (currentMove >= forwardMostMove) {
10695 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10696 // gameMode = EndOfGame;
10697 // ModeHighlight();
10699 /* [AS] Clear current move marker at the end of a game */
10700 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10705 toX = moveList[currentMove][2] - AAA;
10706 toY = moveList[currentMove][3] - ONE;
10708 if (moveList[currentMove][1] == '@') {
10709 if (appData.highlightLastMove) {
10710 SetHighlights(-1, -1, toX, toY);
10713 fromX = moveList[currentMove][0] - AAA;
10714 fromY = moveList[currentMove][1] - ONE;
10716 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10718 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10720 if (appData.highlightLastMove) {
10721 SetHighlights(fromX, fromY, toX, toY);
10724 DisplayMove(currentMove);
10725 SendMoveToProgram(currentMove++, &first);
10726 DisplayBothClocks();
10727 DrawPosition(FALSE, boards[currentMove]);
10728 // [HGM] PV info: always display, routine tests if empty
10729 DisplayComment(currentMove - 1, commentList[currentMove]);
10735 LoadGameOneMove(readAhead)
10736 ChessMove readAhead;
10738 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10739 char promoChar = NULLCHAR;
10740 ChessMove moveType;
10741 char move[MSG_SIZ];
10744 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10745 gameMode != AnalyzeMode && gameMode != Training) {
10750 yyboardindex = forwardMostMove;
10751 if (readAhead != EndOfFile) {
10752 moveType = readAhead;
10754 if (gameFileFP == NULL)
10756 moveType = (ChessMove) Myylex();
10760 switch (moveType) {
10762 if (appData.debugMode)
10763 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10766 /* append the comment but don't display it */
10767 AppendComment(currentMove, p, FALSE);
10770 case WhiteCapturesEnPassant:
10771 case BlackCapturesEnPassant:
10772 case WhitePromotion:
10773 case BlackPromotion:
10774 case WhiteNonPromotion:
10775 case BlackNonPromotion:
10777 case WhiteKingSideCastle:
10778 case WhiteQueenSideCastle:
10779 case BlackKingSideCastle:
10780 case BlackQueenSideCastle:
10781 case WhiteKingSideCastleWild:
10782 case WhiteQueenSideCastleWild:
10783 case BlackKingSideCastleWild:
10784 case BlackQueenSideCastleWild:
10786 case WhiteHSideCastleFR:
10787 case WhiteASideCastleFR:
10788 case BlackHSideCastleFR:
10789 case BlackASideCastleFR:
10791 if (appData.debugMode)
10792 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10793 fromX = currentMoveString[0] - AAA;
10794 fromY = currentMoveString[1] - ONE;
10795 toX = currentMoveString[2] - AAA;
10796 toY = currentMoveString[3] - ONE;
10797 promoChar = currentMoveString[4];
10802 if (appData.debugMode)
10803 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10804 fromX = moveType == WhiteDrop ?
10805 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10806 (int) CharToPiece(ToLower(currentMoveString[0]));
10808 toX = currentMoveString[2] - AAA;
10809 toY = currentMoveString[3] - ONE;
10815 case GameUnfinished:
10816 if (appData.debugMode)
10817 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10818 p = strchr(yy_text, '{');
10819 if (p == NULL) p = strchr(yy_text, '(');
10822 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10824 q = strchr(p, *p == '{' ? '}' : ')');
10825 if (q != NULL) *q = NULLCHAR;
10828 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10829 GameEnds(moveType, p, GE_FILE);
10831 if (cmailMsgLoaded) {
10833 flipView = WhiteOnMove(currentMove);
10834 if (moveType == GameUnfinished) flipView = !flipView;
10835 if (appData.debugMode)
10836 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10841 if (appData.debugMode)
10842 fprintf(debugFP, "Parser hit end of file\n");
10843 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10849 if (WhiteOnMove(currentMove)) {
10850 GameEnds(BlackWins, "Black mates", GE_FILE);
10852 GameEnds(WhiteWins, "White mates", GE_FILE);
10856 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10862 case MoveNumberOne:
10863 if (lastLoadGameStart == GNUChessGame) {
10864 /* GNUChessGames have numbers, but they aren't move numbers */
10865 if (appData.debugMode)
10866 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10867 yy_text, (int) moveType);
10868 return LoadGameOneMove(EndOfFile); /* tail recursion */
10870 /* else fall thru */
10875 /* Reached start of next game in file */
10876 if (appData.debugMode)
10877 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10878 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10884 if (WhiteOnMove(currentMove)) {
10885 GameEnds(BlackWins, "Black mates", GE_FILE);
10887 GameEnds(WhiteWins, "White mates", GE_FILE);
10891 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10897 case PositionDiagram: /* should not happen; ignore */
10898 case ElapsedTime: /* ignore */
10899 case NAG: /* ignore */
10900 if (appData.debugMode)
10901 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10902 yy_text, (int) moveType);
10903 return LoadGameOneMove(EndOfFile); /* tail recursion */
10906 if (appData.testLegality) {
10907 if (appData.debugMode)
10908 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10909 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10910 (forwardMostMove / 2) + 1,
10911 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10912 DisplayError(move, 0);
10915 if (appData.debugMode)
10916 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10917 yy_text, currentMoveString);
10918 fromX = currentMoveString[0] - AAA;
10919 fromY = currentMoveString[1] - ONE;
10920 toX = currentMoveString[2] - AAA;
10921 toY = currentMoveString[3] - ONE;
10922 promoChar = currentMoveString[4];
10926 case AmbiguousMove:
10927 if (appData.debugMode)
10928 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10929 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10930 (forwardMostMove / 2) + 1,
10931 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10932 DisplayError(move, 0);
10937 case ImpossibleMove:
10938 if (appData.debugMode)
10939 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10940 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10941 (forwardMostMove / 2) + 1,
10942 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10943 DisplayError(move, 0);
10949 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10950 DrawPosition(FALSE, boards[currentMove]);
10951 DisplayBothClocks();
10952 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10953 DisplayComment(currentMove - 1, commentList[currentMove]);
10955 (void) StopLoadGameTimer();
10957 cmailOldMove = forwardMostMove;
10960 /* currentMoveString is set as a side-effect of yylex */
10962 thinkOutput[0] = NULLCHAR;
10963 MakeMove(fromX, fromY, toX, toY, promoChar);
10964 currentMove = forwardMostMove;
10969 /* Load the nth game from the given file */
10971 LoadGameFromFile(filename, n, title, useList)
10975 /*Boolean*/ int useList;
10980 if (strcmp(filename, "-") == 0) {
10984 f = fopen(filename, "rb");
10986 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10987 DisplayError(buf, errno);
10991 if (fseek(f, 0, 0) == -1) {
10992 /* f is not seekable; probably a pipe */
10995 if (useList && n == 0) {
10996 int error = GameListBuild(f);
10998 DisplayError(_("Cannot build game list"), error);
10999 } else if (!ListEmpty(&gameList) &&
11000 ((ListGame *) gameList.tailPred)->number > 1) {
11001 GameListPopUp(f, title);
11008 return LoadGame(f, n, title, FALSE);
11013 MakeRegisteredMove()
11015 int fromX, fromY, toX, toY;
11017 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11018 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11021 if (appData.debugMode)
11022 fprintf(debugFP, "Restoring %s for game %d\n",
11023 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11025 thinkOutput[0] = NULLCHAR;
11026 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11027 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11028 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11029 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11030 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11031 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11032 MakeMove(fromX, fromY, toX, toY, promoChar);
11033 ShowMove(fromX, fromY, toX, toY);
11035 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11042 if (WhiteOnMove(currentMove)) {
11043 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11045 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11050 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11057 if (WhiteOnMove(currentMove)) {
11058 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11060 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11065 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11076 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11078 CmailLoadGame(f, gameNumber, title, useList)
11086 if (gameNumber > nCmailGames) {
11087 DisplayError(_("No more games in this message"), 0);
11090 if (f == lastLoadGameFP) {
11091 int offset = gameNumber - lastLoadGameNumber;
11093 cmailMsg[0] = NULLCHAR;
11094 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11095 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11096 nCmailMovesRegistered--;
11098 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11099 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11100 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11103 if (! RegisterMove()) return FALSE;
11107 retVal = LoadGame(f, gameNumber, title, useList);
11109 /* Make move registered during previous look at this game, if any */
11110 MakeRegisteredMove();
11112 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11113 commentList[currentMove]
11114 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11115 DisplayComment(currentMove - 1, commentList[currentMove]);
11121 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11126 int gameNumber = lastLoadGameNumber + offset;
11127 if (lastLoadGameFP == NULL) {
11128 DisplayError(_("No game has been loaded yet"), 0);
11131 if (gameNumber <= 0) {
11132 DisplayError(_("Can't back up any further"), 0);
11135 if (cmailMsgLoaded) {
11136 return CmailLoadGame(lastLoadGameFP, gameNumber,
11137 lastLoadGameTitle, lastLoadGameUseList);
11139 return LoadGame(lastLoadGameFP, gameNumber,
11140 lastLoadGameTitle, lastLoadGameUseList);
11144 int keys[EmptySquare+1];
11147 PositionMatches(Board b1, Board b2)
11150 switch(appData.searchMode) {
11151 case 1: return CompareWithRights(b1, b2);
11153 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11154 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11158 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11159 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11160 sum += keys[b1[r][f]] - keys[b2[r][f]];
11164 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11165 sum += keys[b1[r][f]] - keys[b2[r][f]];
11172 GameInfo dummyInfo;
11174 int GameContainsPosition(FILE *f, ListGame *lg)
11176 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11177 int fromX, fromY, toX, toY;
11179 static int initDone=FALSE;
11182 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11185 dummyInfo.variant = VariantNormal;
11186 FREE(dummyInfo.fen); dummyInfo.fen = NULL;
11187 dummyInfo.whiteRating = 0;
11188 dummyInfo.blackRating = 0;
11189 FREE(dummyInfo.date); dummyInfo.date = NULL;
11190 fseek(f, lg->offset, 0);
11192 CopyBoard(boards[scratch], initialPosition); // default start position
11194 yyboardindex = scratch + (plyNr&1);
11200 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11202 ParsePGNTag(yy_text, &dummyInfo); // this has a bad memory leak...
11203 if(dummyInfo.fen) ParseFEN(boards[scratch], &btm, dummyInfo.fen), free(dummyInfo.fen), dummyInfo.fen = NULL;
11205 // do it ourselves avoiding malloc
11206 { char *p = yy_text+1, *q;
11207 while(!isdigit(*p) && !isalpha(*p)) p++;
11208 q = p; while(*p != ' ' && *p != '\t' && *p != '\n') p++;
11210 if(!StrCaseCmp(q, "Date") && (p = strchr(p+1, '"'))) { if(atoi(p+1) < appData.dateThreshold) return -1; } else
11211 if(!StrCaseCmp(q, "Variant") && (p = strchr(p+1, '"'))) dummyInfo.variant = StringToVariant(p+1); else
11212 if(!StrCaseCmp(q, "WhiteElo") && (p = strchr(p+1, '"'))) dummyInfo.whiteRating = atoi(p+1); else
11213 if(!StrCaseCmp(q, "BlackElo") && (p = strchr(p+1, '"'))) dummyInfo.blackRating = atoi(p+1); else
11214 if(!StrCaseCmp(q, "WhiteUSCF") && (p = strchr(p+1, '"'))) dummyInfo.whiteRating = atoi(p+1); else
11215 if(!StrCaseCmp(q, "BlackUSCF") && (p = strchr(p+1, '"'))) dummyInfo.blackRating = atoi(p+1); else
11216 if(!StrCaseCmp(q, "FEN") && (p = strchr(p+1, '"'))) ParseFEN(boards[scratch], &btm, p+1);
11224 if(plyNr) return -1; // after we have seen moves, this is for new game
11227 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11228 case ImpossibleMove:
11229 case WhiteWins: // game ends here with these four
11232 case GameUnfinished:
11236 if(appData.testLegality) return -1;
11237 case WhiteCapturesEnPassant:
11238 case BlackCapturesEnPassant:
11239 case WhitePromotion:
11240 case BlackPromotion:
11241 case WhiteNonPromotion:
11242 case BlackNonPromotion:
11244 case WhiteKingSideCastle:
11245 case WhiteQueenSideCastle:
11246 case BlackKingSideCastle:
11247 case BlackQueenSideCastle:
11248 case WhiteKingSideCastleWild:
11249 case WhiteQueenSideCastleWild:
11250 case BlackKingSideCastleWild:
11251 case BlackQueenSideCastleWild:
11252 case WhiteHSideCastleFR:
11253 case WhiteASideCastleFR:
11254 case BlackHSideCastleFR:
11255 case BlackASideCastleFR:
11256 fromX = currentMoveString[0] - AAA;
11257 fromY = currentMoveString[1] - ONE;
11258 toX = currentMoveString[2] - AAA;
11259 toY = currentMoveString[3] - ONE;
11260 promoChar = currentMoveString[4];
11264 fromX = next == WhiteDrop ?
11265 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11266 (int) CharToPiece(ToLower(currentMoveString[0]));
11268 toX = currentMoveString[2] - AAA;
11269 toY = currentMoveString[3] - ONE;
11272 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11273 if(plyNr == 0) { // but first figure out variant and initial position
11274 if(dummyInfo.variant != gameInfo.variant) return -1; // wrong variant
11275 if(appData.eloThreshold1 && (dummyInfo.whiteRating < appData.eloThreshold1 && dummyInfo.blackRating < appData.eloThreshold1)) return -1;
11276 if(appData.eloThreshold2 && (dummyInfo.whiteRating < appData.eloThreshold2 || dummyInfo.blackRating < appData.eloThreshold2)) return -1;
11277 if(appData.dateThreshold && (!dummyInfo.date || atoi(dummyInfo.date) < appData.dateThreshold)) return -1;
11278 if(btm) CopyBoard(boards[scratch+1], boards[scratch]), plyNr++;
11279 if(PositionMatches(boards[scratch + plyNr], boards[currentMove])) return plyNr;
11281 CopyBoard(boards[scratch + (plyNr+1&1)], boards[scratch + (plyNr&1)]);
11283 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch + (plyNr&1)]);
11284 if(PositionMatches(boards[scratch + (plyNr&1)], boards[currentMove])) return plyNr;
11288 /* Load the nth game from open file f */
11290 LoadGame(f, gameNumber, title, useList)
11298 int gn = gameNumber;
11299 ListGame *lg = NULL;
11300 int numPGNTags = 0;
11302 GameMode oldGameMode;
11303 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11305 if (appData.debugMode)
11306 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11308 if (gameMode == Training )
11309 SetTrainingModeOff();
11311 oldGameMode = gameMode;
11312 if (gameMode != BeginningOfGame) {
11313 Reset(FALSE, TRUE);
11317 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11318 fclose(lastLoadGameFP);
11322 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11325 fseek(f, lg->offset, 0);
11326 GameListHighlight(gameNumber);
11327 pos = lg->position;
11331 DisplayError(_("Game number out of range"), 0);
11336 if (fseek(f, 0, 0) == -1) {
11337 if (f == lastLoadGameFP ?
11338 gameNumber == lastLoadGameNumber + 1 :
11342 DisplayError(_("Can't seek on game file"), 0);
11347 lastLoadGameFP = f;
11348 lastLoadGameNumber = gameNumber;
11349 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11350 lastLoadGameUseList = useList;
11354 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11355 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11356 lg->gameInfo.black);
11358 } else if (*title != NULLCHAR) {
11359 if (gameNumber > 1) {
11360 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11363 DisplayTitle(title);
11367 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11368 gameMode = PlayFromGameFile;
11372 currentMove = forwardMostMove = backwardMostMove = 0;
11373 CopyBoard(boards[0], initialPosition);
11377 * Skip the first gn-1 games in the file.
11378 * Also skip over anything that precedes an identifiable
11379 * start of game marker, to avoid being confused by
11380 * garbage at the start of the file. Currently
11381 * recognized start of game markers are the move number "1",
11382 * the pattern "gnuchess .* game", the pattern
11383 * "^[#;%] [^ ]* game file", and a PGN tag block.
11384 * A game that starts with one of the latter two patterns
11385 * will also have a move number 1, possibly
11386 * following a position diagram.
11387 * 5-4-02: Let's try being more lenient and allowing a game to
11388 * start with an unnumbered move. Does that break anything?
11390 cm = lastLoadGameStart = EndOfFile;
11392 yyboardindex = forwardMostMove;
11393 cm = (ChessMove) Myylex();
11396 if (cmailMsgLoaded) {
11397 nCmailGames = CMAIL_MAX_GAMES - gn;
11400 DisplayError(_("Game not found in file"), 0);
11407 lastLoadGameStart = cm;
11410 case MoveNumberOne:
11411 switch (lastLoadGameStart) {
11416 case MoveNumberOne:
11418 gn--; /* count this game */
11419 lastLoadGameStart = cm;
11428 switch (lastLoadGameStart) {
11431 case MoveNumberOne:
11433 gn--; /* count this game */
11434 lastLoadGameStart = cm;
11437 lastLoadGameStart = cm; /* game counted already */
11445 yyboardindex = forwardMostMove;
11446 cm = (ChessMove) Myylex();
11447 } while (cm == PGNTag || cm == Comment);
11454 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11455 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11456 != CMAIL_OLD_RESULT) {
11458 cmailResult[ CMAIL_MAX_GAMES
11459 - gn - 1] = CMAIL_OLD_RESULT;
11465 /* Only a NormalMove can be at the start of a game
11466 * without a position diagram. */
11467 if (lastLoadGameStart == EndOfFile ) {
11469 lastLoadGameStart = MoveNumberOne;
11478 if (appData.debugMode)
11479 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11481 if (cm == XBoardGame) {
11482 /* Skip any header junk before position diagram and/or move 1 */
11484 yyboardindex = forwardMostMove;
11485 cm = (ChessMove) Myylex();
11487 if (cm == EndOfFile ||
11488 cm == GNUChessGame || cm == XBoardGame) {
11489 /* Empty game; pretend end-of-file and handle later */
11494 if (cm == MoveNumberOne || cm == PositionDiagram ||
11495 cm == PGNTag || cm == Comment)
11498 } else if (cm == GNUChessGame) {
11499 if (gameInfo.event != NULL) {
11500 free(gameInfo.event);
11502 gameInfo.event = StrSave(yy_text);
11505 startedFromSetupPosition = FALSE;
11506 while (cm == PGNTag) {
11507 if (appData.debugMode)
11508 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11509 err = ParsePGNTag(yy_text, &gameInfo);
11510 if (!err) numPGNTags++;
11512 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11513 if(gameInfo.variant != oldVariant) {
11514 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11515 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11516 InitPosition(TRUE);
11517 oldVariant = gameInfo.variant;
11518 if (appData.debugMode)
11519 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11523 if (gameInfo.fen != NULL) {
11524 Board initial_position;
11525 startedFromSetupPosition = TRUE;
11526 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11528 DisplayError(_("Bad FEN position in file"), 0);
11531 CopyBoard(boards[0], initial_position);
11532 if (blackPlaysFirst) {
11533 currentMove = forwardMostMove = backwardMostMove = 1;
11534 CopyBoard(boards[1], initial_position);
11535 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11536 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11537 timeRemaining[0][1] = whiteTimeRemaining;
11538 timeRemaining[1][1] = blackTimeRemaining;
11539 if (commentList[0] != NULL) {
11540 commentList[1] = commentList[0];
11541 commentList[0] = NULL;
11544 currentMove = forwardMostMove = backwardMostMove = 0;
11546 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11548 initialRulePlies = FENrulePlies;
11549 for( i=0; i< nrCastlingRights; i++ )
11550 initialRights[i] = initial_position[CASTLING][i];
11552 yyboardindex = forwardMostMove;
11553 free(gameInfo.fen);
11554 gameInfo.fen = NULL;
11557 yyboardindex = forwardMostMove;
11558 cm = (ChessMove) Myylex();
11560 /* Handle comments interspersed among the tags */
11561 while (cm == Comment) {
11563 if (appData.debugMode)
11564 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11566 AppendComment(currentMove, p, FALSE);
11567 yyboardindex = forwardMostMove;
11568 cm = (ChessMove) Myylex();
11572 /* don't rely on existence of Event tag since if game was
11573 * pasted from clipboard the Event tag may not exist
11575 if (numPGNTags > 0){
11577 if (gameInfo.variant == VariantNormal) {
11578 VariantClass v = StringToVariant(gameInfo.event);
11579 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11580 if(v < VariantShogi) gameInfo.variant = v;
11583 if( appData.autoDisplayTags ) {
11584 tags = PGNTags(&gameInfo);
11585 TagsPopUp(tags, CmailMsg());
11590 /* Make something up, but don't display it now */
11595 if (cm == PositionDiagram) {
11598 Board initial_position;
11600 if (appData.debugMode)
11601 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11603 if (!startedFromSetupPosition) {
11605 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11606 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11617 initial_position[i][j++] = CharToPiece(*p);
11620 while (*p == ' ' || *p == '\t' ||
11621 *p == '\n' || *p == '\r') p++;
11623 if (strncmp(p, "black", strlen("black"))==0)
11624 blackPlaysFirst = TRUE;
11626 blackPlaysFirst = FALSE;
11627 startedFromSetupPosition = TRUE;
11629 CopyBoard(boards[0], initial_position);
11630 if (blackPlaysFirst) {
11631 currentMove = forwardMostMove = backwardMostMove = 1;
11632 CopyBoard(boards[1], initial_position);
11633 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11634 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11635 timeRemaining[0][1] = whiteTimeRemaining;
11636 timeRemaining[1][1] = blackTimeRemaining;
11637 if (commentList[0] != NULL) {
11638 commentList[1] = commentList[0];
11639 commentList[0] = NULL;
11642 currentMove = forwardMostMove = backwardMostMove = 0;
11645 yyboardindex = forwardMostMove;
11646 cm = (ChessMove) Myylex();
11649 if (first.pr == NoProc) {
11650 StartChessProgram(&first);
11652 InitChessProgram(&first, FALSE);
11653 SendToProgram("force\n", &first);
11654 if (startedFromSetupPosition) {
11655 SendBoard(&first, forwardMostMove);
11656 if (appData.debugMode) {
11657 fprintf(debugFP, "Load Game\n");
11659 DisplayBothClocks();
11662 /* [HGM] server: flag to write setup moves in broadcast file as one */
11663 loadFlag = appData.suppressLoadMoves;
11665 while (cm == Comment) {
11667 if (appData.debugMode)
11668 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11670 AppendComment(currentMove, p, FALSE);
11671 yyboardindex = forwardMostMove;
11672 cm = (ChessMove) Myylex();
11675 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11676 cm == WhiteWins || cm == BlackWins ||
11677 cm == GameIsDrawn || cm == GameUnfinished) {
11678 DisplayMessage("", _("No moves in game"));
11679 if (cmailMsgLoaded) {
11680 if (appData.debugMode)
11681 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11685 DrawPosition(FALSE, boards[currentMove]);
11686 DisplayBothClocks();
11687 gameMode = EditGame;
11694 // [HGM] PV info: routine tests if comment empty
11695 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11696 DisplayComment(currentMove - 1, commentList[currentMove]);
11698 if (!matchMode && appData.timeDelay != 0)
11699 DrawPosition(FALSE, boards[currentMove]);
11701 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11702 programStats.ok_to_send = 1;
11705 /* if the first token after the PGN tags is a move
11706 * and not move number 1, retrieve it from the parser
11708 if (cm != MoveNumberOne)
11709 LoadGameOneMove(cm);
11711 /* load the remaining moves from the file */
11712 while (LoadGameOneMove(EndOfFile)) {
11713 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11714 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11717 /* rewind to the start of the game */
11718 currentMove = backwardMostMove;
11720 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11722 if (oldGameMode == AnalyzeFile ||
11723 oldGameMode == AnalyzeMode) {
11724 AnalyzeFileEvent();
11727 if (!matchMode && pos >= 0) {
11728 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11730 if (matchMode || appData.timeDelay == 0) {
11732 } else if (appData.timeDelay > 0) {
11733 AutoPlayGameLoop();
11736 if (appData.debugMode)
11737 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11739 loadFlag = 0; /* [HGM] true game starts */
11743 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11745 ReloadPosition(offset)
11748 int positionNumber = lastLoadPositionNumber + offset;
11749 if (lastLoadPositionFP == NULL) {
11750 DisplayError(_("No position has been loaded yet"), 0);
11753 if (positionNumber <= 0) {
11754 DisplayError(_("Can't back up any further"), 0);
11757 return LoadPosition(lastLoadPositionFP, positionNumber,
11758 lastLoadPositionTitle);
11761 /* Load the nth position from the given file */
11763 LoadPositionFromFile(filename, n, title)
11771 if (strcmp(filename, "-") == 0) {
11772 return LoadPosition(stdin, n, "stdin");
11774 f = fopen(filename, "rb");
11776 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11777 DisplayError(buf, errno);
11780 return LoadPosition(f, n, title);
11785 /* Load the nth position from the given open file, and close it */
11787 LoadPosition(f, positionNumber, title)
11789 int positionNumber;
11792 char *p, line[MSG_SIZ];
11793 Board initial_position;
11794 int i, j, fenMode, pn;
11796 if (gameMode == Training )
11797 SetTrainingModeOff();
11799 if (gameMode != BeginningOfGame) {
11800 Reset(FALSE, TRUE);
11802 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11803 fclose(lastLoadPositionFP);
11805 if (positionNumber == 0) positionNumber = 1;
11806 lastLoadPositionFP = f;
11807 lastLoadPositionNumber = positionNumber;
11808 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11809 if (first.pr == NoProc && !appData.noChessProgram) {
11810 StartChessProgram(&first);
11811 InitChessProgram(&first, FALSE);
11813 pn = positionNumber;
11814 if (positionNumber < 0) {
11815 /* Negative position number means to seek to that byte offset */
11816 if (fseek(f, -positionNumber, 0) == -1) {
11817 DisplayError(_("Can't seek on position file"), 0);
11822 if (fseek(f, 0, 0) == -1) {
11823 if (f == lastLoadPositionFP ?
11824 positionNumber == lastLoadPositionNumber + 1 :
11825 positionNumber == 1) {
11828 DisplayError(_("Can't seek on position file"), 0);
11833 /* See if this file is FEN or old-style xboard */
11834 if (fgets(line, MSG_SIZ, f) == NULL) {
11835 DisplayError(_("Position not found in file"), 0);
11838 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11839 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11842 if (fenMode || line[0] == '#') pn--;
11844 /* skip positions before number pn */
11845 if (fgets(line, MSG_SIZ, f) == NULL) {
11847 DisplayError(_("Position not found in file"), 0);
11850 if (fenMode || line[0] == '#') pn--;
11855 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11856 DisplayError(_("Bad FEN position in file"), 0);
11860 (void) fgets(line, MSG_SIZ, f);
11861 (void) fgets(line, MSG_SIZ, f);
11863 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11864 (void) fgets(line, MSG_SIZ, f);
11865 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11868 initial_position[i][j++] = CharToPiece(*p);
11872 blackPlaysFirst = FALSE;
11874 (void) fgets(line, MSG_SIZ, f);
11875 if (strncmp(line, "black", strlen("black"))==0)
11876 blackPlaysFirst = TRUE;
11879 startedFromSetupPosition = TRUE;
11881 CopyBoard(boards[0], initial_position);
11882 if (blackPlaysFirst) {
11883 currentMove = forwardMostMove = backwardMostMove = 1;
11884 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11885 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11886 CopyBoard(boards[1], initial_position);
11887 DisplayMessage("", _("Black to play"));
11889 currentMove = forwardMostMove = backwardMostMove = 0;
11890 DisplayMessage("", _("White to play"));
11892 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11893 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
11894 SendToProgram("force\n", &first);
11895 SendBoard(&first, forwardMostMove);
11897 if (appData.debugMode) {
11899 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11900 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11901 fprintf(debugFP, "Load Position\n");
11904 if (positionNumber > 1) {
11905 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11906 DisplayTitle(line);
11908 DisplayTitle(title);
11910 gameMode = EditGame;
11913 timeRemaining[0][1] = whiteTimeRemaining;
11914 timeRemaining[1][1] = blackTimeRemaining;
11915 DrawPosition(FALSE, boards[currentMove]);
11922 CopyPlayerNameIntoFileName(dest, src)
11925 while (*src != NULLCHAR && *src != ',') {
11930 *(*dest)++ = *src++;
11935 char *DefaultFileName(ext)
11938 static char def[MSG_SIZ];
11941 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11943 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11945 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11947 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11954 /* Save the current game to the given file */
11956 SaveGameToFile(filename, append)
11962 int result, i, t,tot=0;
11964 if (strcmp(filename, "-") == 0) {
11965 return SaveGame(stdout, 0, NULL);
11967 for(i=0; i<10; i++) { // upto 10 tries
11968 f = fopen(filename, append ? "a" : "w");
11969 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
11970 if(f || errno != 13) break;
11971 DoSleep(t = 5 + random()%11); // wait 5-15 msec
11975 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11976 DisplayError(buf, errno);
11979 safeStrCpy(buf, lastMsg, MSG_SIZ);
11980 DisplayMessage(_("Waiting for access to save file"), "");
11981 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11982 DisplayMessage(_("Saving game"), "");
11983 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11984 result = SaveGame(f, 0, NULL);
11985 DisplayMessage(buf, "");
11995 static char buf[MSG_SIZ];
11998 p = strchr(str, ' ');
11999 if (p == NULL) return str;
12000 strncpy(buf, str, p - str);
12001 buf[p - str] = NULLCHAR;
12005 #define PGN_MAX_LINE 75
12007 #define PGN_SIDE_WHITE 0
12008 #define PGN_SIDE_BLACK 1
12011 static int FindFirstMoveOutOfBook( int side )
12015 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12016 int index = backwardMostMove;
12017 int has_book_hit = 0;
12019 if( (index % 2) != side ) {
12023 while( index < forwardMostMove ) {
12024 /* Check to see if engine is in book */
12025 int depth = pvInfoList[index].depth;
12026 int score = pvInfoList[index].score;
12032 else if( score == 0 && depth == 63 ) {
12033 in_book = 1; /* Zappa */
12035 else if( score == 2 && depth == 99 ) {
12036 in_book = 1; /* Abrok */
12039 has_book_hit += in_book;
12055 void GetOutOfBookInfo( char * buf )
12059 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12061 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12062 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12066 if( oob[0] >= 0 || oob[1] >= 0 ) {
12067 for( i=0; i<2; i++ ) {
12071 if( i > 0 && oob[0] >= 0 ) {
12072 strcat( buf, " " );
12075 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12076 sprintf( buf+strlen(buf), "%s%.2f",
12077 pvInfoList[idx].score >= 0 ? "+" : "",
12078 pvInfoList[idx].score / 100.0 );
12084 /* Save game in PGN style and close the file */
12089 int i, offset, linelen, newblock;
12093 int movelen, numlen, blank;
12094 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12096 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12098 tm = time((time_t *) NULL);
12100 PrintPGNTags(f, &gameInfo);
12102 if (backwardMostMove > 0 || startedFromSetupPosition) {
12103 char *fen = PositionToFEN(backwardMostMove, NULL);
12104 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12105 fprintf(f, "\n{--------------\n");
12106 PrintPosition(f, backwardMostMove);
12107 fprintf(f, "--------------}\n");
12111 /* [AS] Out of book annotation */
12112 if( appData.saveOutOfBookInfo ) {
12115 GetOutOfBookInfo( buf );
12117 if( buf[0] != '\0' ) {
12118 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12125 i = backwardMostMove;
12129 while (i < forwardMostMove) {
12130 /* Print comments preceding this move */
12131 if (commentList[i] != NULL) {
12132 if (linelen > 0) fprintf(f, "\n");
12133 fprintf(f, "%s", commentList[i]);
12138 /* Format move number */
12140 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12143 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12145 numtext[0] = NULLCHAR;
12147 numlen = strlen(numtext);
12150 /* Print move number */
12151 blank = linelen > 0 && numlen > 0;
12152 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12161 fprintf(f, "%s", numtext);
12165 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12166 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12169 blank = linelen > 0 && movelen > 0;
12170 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12179 fprintf(f, "%s", move_buffer);
12180 linelen += movelen;
12182 /* [AS] Add PV info if present */
12183 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12184 /* [HGM] add time */
12185 char buf[MSG_SIZ]; int seconds;
12187 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12193 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12196 seconds = (seconds + 4)/10; // round to full seconds
12198 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12200 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12203 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12204 pvInfoList[i].score >= 0 ? "+" : "",
12205 pvInfoList[i].score / 100.0,
12206 pvInfoList[i].depth,
12209 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12211 /* Print score/depth */
12212 blank = linelen > 0 && movelen > 0;
12213 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12222 fprintf(f, "%s", move_buffer);
12223 linelen += movelen;
12229 /* Start a new line */
12230 if (linelen > 0) fprintf(f, "\n");
12232 /* Print comments after last move */
12233 if (commentList[i] != NULL) {
12234 fprintf(f, "%s\n", commentList[i]);
12238 if (gameInfo.resultDetails != NULL &&
12239 gameInfo.resultDetails[0] != NULLCHAR) {
12240 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12241 PGNResult(gameInfo.result));
12243 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12247 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12251 /* Save game in old style and close the file */
12253 SaveGameOldStyle(f)
12259 tm = time((time_t *) NULL);
12261 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12264 if (backwardMostMove > 0 || startedFromSetupPosition) {
12265 fprintf(f, "\n[--------------\n");
12266 PrintPosition(f, backwardMostMove);
12267 fprintf(f, "--------------]\n");
12272 i = backwardMostMove;
12273 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12275 while (i < forwardMostMove) {
12276 if (commentList[i] != NULL) {
12277 fprintf(f, "[%s]\n", commentList[i]);
12280 if ((i % 2) == 1) {
12281 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12284 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12286 if (commentList[i] != NULL) {
12290 if (i >= forwardMostMove) {
12294 fprintf(f, "%s\n", parseList[i]);
12299 if (commentList[i] != NULL) {
12300 fprintf(f, "[%s]\n", commentList[i]);
12303 /* This isn't really the old style, but it's close enough */
12304 if (gameInfo.resultDetails != NULL &&
12305 gameInfo.resultDetails[0] != NULLCHAR) {
12306 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12307 gameInfo.resultDetails);
12309 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12316 /* Save the current game to open file f and close the file */
12318 SaveGame(f, dummy, dummy2)
12323 if (gameMode == EditPosition) EditPositionDone(TRUE);
12324 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12325 if (appData.oldSaveStyle)
12326 return SaveGameOldStyle(f);
12328 return SaveGamePGN(f);
12331 /* Save the current position to the given file */
12333 SavePositionToFile(filename)
12339 if (strcmp(filename, "-") == 0) {
12340 return SavePosition(stdout, 0, NULL);
12342 f = fopen(filename, "a");
12344 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12345 DisplayError(buf, errno);
12348 safeStrCpy(buf, lastMsg, MSG_SIZ);
12349 DisplayMessage(_("Waiting for access to save file"), "");
12350 flock(fileno(f), LOCK_EX); // [HGM] lock
12351 DisplayMessage(_("Saving position"), "");
12352 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12353 SavePosition(f, 0, NULL);
12354 DisplayMessage(buf, "");
12360 /* Save the current position to the given open file and close the file */
12362 SavePosition(f, dummy, dummy2)
12370 if (gameMode == EditPosition) EditPositionDone(TRUE);
12371 if (appData.oldSaveStyle) {
12372 tm = time((time_t *) NULL);
12374 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12376 fprintf(f, "[--------------\n");
12377 PrintPosition(f, currentMove);
12378 fprintf(f, "--------------]\n");
12380 fen = PositionToFEN(currentMove, NULL);
12381 fprintf(f, "%s\n", fen);
12389 ReloadCmailMsgEvent(unregister)
12393 static char *inFilename = NULL;
12394 static char *outFilename;
12396 struct stat inbuf, outbuf;
12399 /* Any registered moves are unregistered if unregister is set, */
12400 /* i.e. invoked by the signal handler */
12402 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12403 cmailMoveRegistered[i] = FALSE;
12404 if (cmailCommentList[i] != NULL) {
12405 free(cmailCommentList[i]);
12406 cmailCommentList[i] = NULL;
12409 nCmailMovesRegistered = 0;
12412 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12413 cmailResult[i] = CMAIL_NOT_RESULT;
12417 if (inFilename == NULL) {
12418 /* Because the filenames are static they only get malloced once */
12419 /* and they never get freed */
12420 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12421 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12423 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12424 sprintf(outFilename, "%s.out", appData.cmailGameName);
12427 status = stat(outFilename, &outbuf);
12429 cmailMailedMove = FALSE;
12431 status = stat(inFilename, &inbuf);
12432 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12435 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12436 counts the games, notes how each one terminated, etc.
12438 It would be nice to remove this kludge and instead gather all
12439 the information while building the game list. (And to keep it
12440 in the game list nodes instead of having a bunch of fixed-size
12441 parallel arrays.) Note this will require getting each game's
12442 termination from the PGN tags, as the game list builder does
12443 not process the game moves. --mann
12445 cmailMsgLoaded = TRUE;
12446 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12448 /* Load first game in the file or popup game menu */
12449 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12451 #endif /* !WIN32 */
12459 char string[MSG_SIZ];
12461 if ( cmailMailedMove
12462 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12463 return TRUE; /* Allow free viewing */
12466 /* Unregister move to ensure that we don't leave RegisterMove */
12467 /* with the move registered when the conditions for registering no */
12469 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12470 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12471 nCmailMovesRegistered --;
12473 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12475 free(cmailCommentList[lastLoadGameNumber - 1]);
12476 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12480 if (cmailOldMove == -1) {
12481 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12485 if (currentMove > cmailOldMove + 1) {
12486 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12490 if (currentMove < cmailOldMove) {
12491 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12495 if (forwardMostMove > currentMove) {
12496 /* Silently truncate extra moves */
12500 if ( (currentMove == cmailOldMove + 1)
12501 || ( (currentMove == cmailOldMove)
12502 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12503 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12504 if (gameInfo.result != GameUnfinished) {
12505 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12508 if (commentList[currentMove] != NULL) {
12509 cmailCommentList[lastLoadGameNumber - 1]
12510 = StrSave(commentList[currentMove]);
12512 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12514 if (appData.debugMode)
12515 fprintf(debugFP, "Saving %s for game %d\n",
12516 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12518 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12520 f = fopen(string, "w");
12521 if (appData.oldSaveStyle) {
12522 SaveGameOldStyle(f); /* also closes the file */
12524 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12525 f = fopen(string, "w");
12526 SavePosition(f, 0, NULL); /* also closes the file */
12528 fprintf(f, "{--------------\n");
12529 PrintPosition(f, currentMove);
12530 fprintf(f, "--------------}\n\n");
12532 SaveGame(f, 0, NULL); /* also closes the file*/
12535 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12536 nCmailMovesRegistered ++;
12537 } else if (nCmailGames == 1) {
12538 DisplayError(_("You have not made a move yet"), 0);
12549 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12550 FILE *commandOutput;
12551 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12552 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12558 if (! cmailMsgLoaded) {
12559 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12563 if (nCmailGames == nCmailResults) {
12564 DisplayError(_("No unfinished games"), 0);
12568 #if CMAIL_PROHIBIT_REMAIL
12569 if (cmailMailedMove) {
12570 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);
12571 DisplayError(msg, 0);
12576 if (! (cmailMailedMove || RegisterMove())) return;
12578 if ( cmailMailedMove
12579 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12580 snprintf(string, MSG_SIZ, partCommandString,
12581 appData.debugMode ? " -v" : "", appData.cmailGameName);
12582 commandOutput = popen(string, "r");
12584 if (commandOutput == NULL) {
12585 DisplayError(_("Failed to invoke cmail"), 0);
12587 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12588 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12590 if (nBuffers > 1) {
12591 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12592 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12593 nBytes = MSG_SIZ - 1;
12595 (void) memcpy(msg, buffer, nBytes);
12597 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12599 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12600 cmailMailedMove = TRUE; /* Prevent >1 moves */
12603 for (i = 0; i < nCmailGames; i ++) {
12604 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12609 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12611 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12613 appData.cmailGameName,
12615 LoadGameFromFile(buffer, 1, buffer, FALSE);
12616 cmailMsgLoaded = FALSE;
12620 DisplayInformation(msg);
12621 pclose(commandOutput);
12624 if ((*cmailMsg) != '\0') {
12625 DisplayInformation(cmailMsg);
12630 #endif /* !WIN32 */
12639 int prependComma = 0;
12641 char string[MSG_SIZ]; /* Space for game-list */
12644 if (!cmailMsgLoaded) return "";
12646 if (cmailMailedMove) {
12647 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12649 /* Create a list of games left */
12650 snprintf(string, MSG_SIZ, "[");
12651 for (i = 0; i < nCmailGames; i ++) {
12652 if (! ( cmailMoveRegistered[i]
12653 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12654 if (prependComma) {
12655 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12657 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12661 strcat(string, number);
12664 strcat(string, "]");
12666 if (nCmailMovesRegistered + nCmailResults == 0) {
12667 switch (nCmailGames) {
12669 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12673 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12677 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12682 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12684 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12689 if (nCmailResults == nCmailGames) {
12690 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12692 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12697 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12709 if (gameMode == Training)
12710 SetTrainingModeOff();
12713 cmailMsgLoaded = FALSE;
12714 if (appData.icsActive) {
12715 SendToICS(ics_prefix);
12716 SendToICS("refresh\n");
12726 /* Give up on clean exit */
12730 /* Keep trying for clean exit */
12734 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12736 if (telnetISR != NULL) {
12737 RemoveInputSource(telnetISR);
12739 if (icsPR != NoProc) {
12740 DestroyChildProcess(icsPR, TRUE);
12743 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12744 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12746 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12747 /* make sure this other one finishes before killing it! */
12748 if(endingGame) { int count = 0;
12749 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12750 while(endingGame && count++ < 10) DoSleep(1);
12751 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12754 /* Kill off chess programs */
12755 if (first.pr != NoProc) {
12758 DoSleep( appData.delayBeforeQuit );
12759 SendToProgram("quit\n", &first);
12760 DoSleep( appData.delayAfterQuit );
12761 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12763 if (second.pr != NoProc) {
12764 DoSleep( appData.delayBeforeQuit );
12765 SendToProgram("quit\n", &second);
12766 DoSleep( appData.delayAfterQuit );
12767 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12769 if (first.isr != NULL) {
12770 RemoveInputSource(first.isr);
12772 if (second.isr != NULL) {
12773 RemoveInputSource(second.isr);
12776 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12777 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12779 ShutDownFrontEnd();
12786 if (appData.debugMode)
12787 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12791 if (gameMode == MachinePlaysWhite ||
12792 gameMode == MachinePlaysBlack) {
12795 DisplayBothClocks();
12797 if (gameMode == PlayFromGameFile) {
12798 if (appData.timeDelay >= 0)
12799 AutoPlayGameLoop();
12800 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12801 Reset(FALSE, TRUE);
12802 SendToICS(ics_prefix);
12803 SendToICS("refresh\n");
12804 } else if (currentMove < forwardMostMove) {
12805 ForwardInner(forwardMostMove);
12807 pauseExamInvalid = FALSE;
12809 switch (gameMode) {
12813 pauseExamForwardMostMove = forwardMostMove;
12814 pauseExamInvalid = FALSE;
12817 case IcsPlayingWhite:
12818 case IcsPlayingBlack:
12822 case PlayFromGameFile:
12823 (void) StopLoadGameTimer();
12827 case BeginningOfGame:
12828 if (appData.icsActive) return;
12829 /* else fall through */
12830 case MachinePlaysWhite:
12831 case MachinePlaysBlack:
12832 case TwoMachinesPlay:
12833 if (forwardMostMove == 0)
12834 return; /* don't pause if no one has moved */
12835 if ((gameMode == MachinePlaysWhite &&
12836 !WhiteOnMove(forwardMostMove)) ||
12837 (gameMode == MachinePlaysBlack &&
12838 WhiteOnMove(forwardMostMove))) {
12851 char title[MSG_SIZ];
12853 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12854 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12856 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12857 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12858 parseList[currentMove - 1]);
12861 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12868 char *tags = PGNTags(&gameInfo);
12870 EditTagsPopUp(tags, NULL);
12877 if (appData.noChessProgram || gameMode == AnalyzeMode)
12880 if (gameMode != AnalyzeFile) {
12881 if (!appData.icsEngineAnalyze) {
12883 if (gameMode != EditGame) return;
12885 ResurrectChessProgram();
12886 SendToProgram("analyze\n", &first);
12887 first.analyzing = TRUE;
12888 /*first.maybeThinking = TRUE;*/
12889 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12890 EngineOutputPopUp();
12892 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12897 StartAnalysisClock();
12898 GetTimeMark(&lastNodeCountTime);
12905 if (appData.noChessProgram || gameMode == AnalyzeFile)
12908 if (gameMode != AnalyzeMode) {
12910 if (gameMode != EditGame) return;
12911 ResurrectChessProgram();
12912 SendToProgram("analyze\n", &first);
12913 first.analyzing = TRUE;
12914 /*first.maybeThinking = TRUE;*/
12915 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12916 EngineOutputPopUp();
12918 gameMode = AnalyzeFile;
12923 StartAnalysisClock();
12924 GetTimeMark(&lastNodeCountTime);
12926 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
12930 MachineWhiteEvent()
12933 char *bookHit = NULL;
12935 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12939 if (gameMode == PlayFromGameFile ||
12940 gameMode == TwoMachinesPlay ||
12941 gameMode == Training ||
12942 gameMode == AnalyzeMode ||
12943 gameMode == EndOfGame)
12946 if (gameMode == EditPosition)
12947 EditPositionDone(TRUE);
12949 if (!WhiteOnMove(currentMove)) {
12950 DisplayError(_("It is not White's turn"), 0);
12954 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12957 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12958 gameMode == AnalyzeFile)
12961 ResurrectChessProgram(); /* in case it isn't running */
12962 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12963 gameMode = MachinePlaysWhite;
12966 gameMode = MachinePlaysWhite;
12970 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12972 if (first.sendName) {
12973 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12974 SendToProgram(buf, &first);
12976 if (first.sendTime) {
12977 if (first.useColors) {
12978 SendToProgram("black\n", &first); /*gnu kludge*/
12980 SendTimeRemaining(&first, TRUE);
12982 if (first.useColors) {
12983 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12985 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12986 SetMachineThinkingEnables();
12987 first.maybeThinking = TRUE;
12991 if (appData.autoFlipView && !flipView) {
12992 flipView = !flipView;
12993 DrawPosition(FALSE, NULL);
12994 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12997 if(bookHit) { // [HGM] book: simulate book reply
12998 static char bookMove[MSG_SIZ]; // a bit generous?
13000 programStats.nodes = programStats.depth = programStats.time =
13001 programStats.score = programStats.got_only_move = 0;
13002 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13004 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13005 strcat(bookMove, bookHit);
13006 HandleMachineMove(bookMove, &first);
13011 MachineBlackEvent()
13014 char *bookHit = NULL;
13016 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13020 if (gameMode == PlayFromGameFile ||
13021 gameMode == TwoMachinesPlay ||
13022 gameMode == Training ||
13023 gameMode == AnalyzeMode ||
13024 gameMode == EndOfGame)
13027 if (gameMode == EditPosition)
13028 EditPositionDone(TRUE);
13030 if (WhiteOnMove(currentMove)) {
13031 DisplayError(_("It is not Black's turn"), 0);
13035 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13038 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13039 gameMode == AnalyzeFile)
13042 ResurrectChessProgram(); /* in case it isn't running */
13043 gameMode = MachinePlaysBlack;
13047 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13049 if (first.sendName) {
13050 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13051 SendToProgram(buf, &first);
13053 if (first.sendTime) {
13054 if (first.useColors) {
13055 SendToProgram("white\n", &first); /*gnu kludge*/
13057 SendTimeRemaining(&first, FALSE);
13059 if (first.useColors) {
13060 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13062 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13063 SetMachineThinkingEnables();
13064 first.maybeThinking = TRUE;
13067 if (appData.autoFlipView && flipView) {
13068 flipView = !flipView;
13069 DrawPosition(FALSE, NULL);
13070 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13072 if(bookHit) { // [HGM] book: simulate book reply
13073 static char bookMove[MSG_SIZ]; // a bit generous?
13075 programStats.nodes = programStats.depth = programStats.time =
13076 programStats.score = programStats.got_only_move = 0;
13077 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13079 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13080 strcat(bookMove, bookHit);
13081 HandleMachineMove(bookMove, &first);
13087 DisplayTwoMachinesTitle()
13090 if (appData.matchGames > 0) {
13091 if(appData.tourneyFile[0]) {
13092 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13093 gameInfo.white, gameInfo.black,
13094 nextGame+1, appData.matchGames+1,
13095 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13097 if (first.twoMachinesColor[0] == 'w') {
13098 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13099 gameInfo.white, gameInfo.black,
13100 first.matchWins, second.matchWins,
13101 matchGame - 1 - (first.matchWins + second.matchWins));
13103 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13104 gameInfo.white, gameInfo.black,
13105 second.matchWins, first.matchWins,
13106 matchGame - 1 - (first.matchWins + second.matchWins));
13109 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13115 SettingsMenuIfReady()
13117 if (second.lastPing != second.lastPong) {
13118 DisplayMessage("", _("Waiting for second chess program"));
13119 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13123 DisplayMessage("", "");
13124 SettingsPopUp(&second);
13128 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13131 if (cps->pr == NULL) {
13132 StartChessProgram(cps);
13133 if (cps->protocolVersion == 1) {
13136 /* kludge: allow timeout for initial "feature" command */
13138 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13139 DisplayMessage("", buf);
13140 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13148 TwoMachinesEvent P((void))
13152 ChessProgramState *onmove;
13153 char *bookHit = NULL;
13154 static int stalling = 0;
13158 if (appData.noChessProgram) return;
13160 switch (gameMode) {
13161 case TwoMachinesPlay:
13163 case MachinePlaysWhite:
13164 case MachinePlaysBlack:
13165 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13166 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13170 case BeginningOfGame:
13171 case PlayFromGameFile:
13174 if (gameMode != EditGame) return;
13177 EditPositionDone(TRUE);
13188 // forwardMostMove = currentMove;
13189 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13191 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13193 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13194 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13195 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13199 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13200 SendToProgram("force\n", &second);
13202 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13205 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13206 if(appData.matchPause>10000 || appData.matchPause<10)
13207 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13208 wait = SubtractTimeMarks(&now, &pauseStart);
13209 if(wait < appData.matchPause) {
13210 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13214 DisplayMessage("", "");
13215 if (startedFromSetupPosition) {
13216 SendBoard(&second, backwardMostMove);
13217 if (appData.debugMode) {
13218 fprintf(debugFP, "Two Machines\n");
13221 for (i = backwardMostMove; i < forwardMostMove; i++) {
13222 SendMoveToProgram(i, &second);
13225 gameMode = TwoMachinesPlay;
13227 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13229 DisplayTwoMachinesTitle();
13231 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13236 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13237 SendToProgram(first.computerString, &first);
13238 if (first.sendName) {
13239 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13240 SendToProgram(buf, &first);
13242 SendToProgram(second.computerString, &second);
13243 if (second.sendName) {
13244 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13245 SendToProgram(buf, &second);
13249 if (!first.sendTime || !second.sendTime) {
13250 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13251 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13253 if (onmove->sendTime) {
13254 if (onmove->useColors) {
13255 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13257 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13259 if (onmove->useColors) {
13260 SendToProgram(onmove->twoMachinesColor, onmove);
13262 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13263 // SendToProgram("go\n", onmove);
13264 onmove->maybeThinking = TRUE;
13265 SetMachineThinkingEnables();
13269 if(bookHit) { // [HGM] book: simulate book reply
13270 static char bookMove[MSG_SIZ]; // a bit generous?
13272 programStats.nodes = programStats.depth = programStats.time =
13273 programStats.score = programStats.got_only_move = 0;
13274 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13276 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13277 strcat(bookMove, bookHit);
13278 savedMessage = bookMove; // args for deferred call
13279 savedState = onmove;
13280 ScheduleDelayedEvent(DeferredBookMove, 1);
13287 if (gameMode == Training) {
13288 SetTrainingModeOff();
13289 gameMode = PlayFromGameFile;
13290 DisplayMessage("", _("Training mode off"));
13292 gameMode = Training;
13293 animateTraining = appData.animate;
13295 /* make sure we are not already at the end of the game */
13296 if (currentMove < forwardMostMove) {
13297 SetTrainingModeOn();
13298 DisplayMessage("", _("Training mode on"));
13300 gameMode = PlayFromGameFile;
13301 DisplayError(_("Already at end of game"), 0);
13310 if (!appData.icsActive) return;
13311 switch (gameMode) {
13312 case IcsPlayingWhite:
13313 case IcsPlayingBlack:
13316 case BeginningOfGame:
13324 EditPositionDone(TRUE);
13337 gameMode = IcsIdle;
13348 switch (gameMode) {
13350 SetTrainingModeOff();
13352 case MachinePlaysWhite:
13353 case MachinePlaysBlack:
13354 case BeginningOfGame:
13355 SendToProgram("force\n", &first);
13356 SetUserThinkingEnables();
13358 case PlayFromGameFile:
13359 (void) StopLoadGameTimer();
13360 if (gameFileFP != NULL) {
13365 EditPositionDone(TRUE);
13370 SendToProgram("force\n", &first);
13372 case TwoMachinesPlay:
13373 GameEnds(EndOfFile, NULL, GE_PLAYER);
13374 ResurrectChessProgram();
13375 SetUserThinkingEnables();
13378 ResurrectChessProgram();
13380 case IcsPlayingBlack:
13381 case IcsPlayingWhite:
13382 DisplayError(_("Warning: You are still playing a game"), 0);
13385 DisplayError(_("Warning: You are still observing a game"), 0);
13388 DisplayError(_("Warning: You are still examining a game"), 0);
13399 first.offeredDraw = second.offeredDraw = 0;
13401 if (gameMode == PlayFromGameFile) {
13402 whiteTimeRemaining = timeRemaining[0][currentMove];
13403 blackTimeRemaining = timeRemaining[1][currentMove];
13407 if (gameMode == MachinePlaysWhite ||
13408 gameMode == MachinePlaysBlack ||
13409 gameMode == TwoMachinesPlay ||
13410 gameMode == EndOfGame) {
13411 i = forwardMostMove;
13412 while (i > currentMove) {
13413 SendToProgram("undo\n", &first);
13416 whiteTimeRemaining = timeRemaining[0][currentMove];
13417 blackTimeRemaining = timeRemaining[1][currentMove];
13418 DisplayBothClocks();
13419 if (whiteFlag || blackFlag) {
13420 whiteFlag = blackFlag = 0;
13425 gameMode = EditGame;
13432 EditPositionEvent()
13434 if (gameMode == EditPosition) {
13440 if (gameMode != EditGame) return;
13442 gameMode = EditPosition;
13445 if (currentMove > 0)
13446 CopyBoard(boards[0], boards[currentMove]);
13448 blackPlaysFirst = !WhiteOnMove(currentMove);
13450 currentMove = forwardMostMove = backwardMostMove = 0;
13451 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13458 /* [DM] icsEngineAnalyze - possible call from other functions */
13459 if (appData.icsEngineAnalyze) {
13460 appData.icsEngineAnalyze = FALSE;
13462 DisplayMessage("",_("Close ICS engine analyze..."));
13464 if (first.analysisSupport && first.analyzing) {
13465 SendToProgram("exit\n", &first);
13466 first.analyzing = FALSE;
13468 thinkOutput[0] = NULLCHAR;
13472 EditPositionDone(Boolean fakeRights)
13474 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13476 startedFromSetupPosition = TRUE;
13477 InitChessProgram(&first, FALSE);
13478 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13479 boards[0][EP_STATUS] = EP_NONE;
13480 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13481 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13482 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13483 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13484 } else boards[0][CASTLING][2] = NoRights;
13485 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13486 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13487 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13488 } else boards[0][CASTLING][5] = NoRights;
13490 SendToProgram("force\n", &first);
13491 if (blackPlaysFirst) {
13492 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13493 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13494 currentMove = forwardMostMove = backwardMostMove = 1;
13495 CopyBoard(boards[1], boards[0]);
13497 currentMove = forwardMostMove = backwardMostMove = 0;
13499 SendBoard(&first, forwardMostMove);
13500 if (appData.debugMode) {
13501 fprintf(debugFP, "EditPosDone\n");
13504 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13505 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13506 gameMode = EditGame;
13508 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13509 ClearHighlights(); /* [AS] */
13512 /* Pause for `ms' milliseconds */
13513 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13523 } while (SubtractTimeMarks(&m2, &m1) < ms);
13526 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13528 SendMultiLineToICS(buf)
13531 char temp[MSG_SIZ+1], *p;
13538 strncpy(temp, buf, len);
13543 if (*p == '\n' || *p == '\r')
13548 strcat(temp, "\n");
13550 SendToPlayer(temp, strlen(temp));
13554 SetWhiteToPlayEvent()
13556 if (gameMode == EditPosition) {
13557 blackPlaysFirst = FALSE;
13558 DisplayBothClocks(); /* works because currentMove is 0 */
13559 } else if (gameMode == IcsExamining) {
13560 SendToICS(ics_prefix);
13561 SendToICS("tomove white\n");
13566 SetBlackToPlayEvent()
13568 if (gameMode == EditPosition) {
13569 blackPlaysFirst = TRUE;
13570 currentMove = 1; /* kludge */
13571 DisplayBothClocks();
13573 } else if (gameMode == IcsExamining) {
13574 SendToICS(ics_prefix);
13575 SendToICS("tomove black\n");
13580 EditPositionMenuEvent(selection, x, y)
13581 ChessSquare selection;
13585 ChessSquare piece = boards[0][y][x];
13587 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13589 switch (selection) {
13591 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13592 SendToICS(ics_prefix);
13593 SendToICS("bsetup clear\n");
13594 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13595 SendToICS(ics_prefix);
13596 SendToICS("clearboard\n");
13598 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13599 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13600 for (y = 0; y < BOARD_HEIGHT; y++) {
13601 if (gameMode == IcsExamining) {
13602 if (boards[currentMove][y][x] != EmptySquare) {
13603 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13608 boards[0][y][x] = p;
13613 if (gameMode == EditPosition) {
13614 DrawPosition(FALSE, boards[0]);
13619 SetWhiteToPlayEvent();
13623 SetBlackToPlayEvent();
13627 if (gameMode == IcsExamining) {
13628 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13629 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13632 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13633 if(x == BOARD_LEFT-2) {
13634 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13635 boards[0][y][1] = 0;
13637 if(x == BOARD_RGHT+1) {
13638 if(y >= gameInfo.holdingsSize) break;
13639 boards[0][y][BOARD_WIDTH-2] = 0;
13642 boards[0][y][x] = EmptySquare;
13643 DrawPosition(FALSE, boards[0]);
13648 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13649 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13650 selection = (ChessSquare) (PROMOTED piece);
13651 } else if(piece == EmptySquare) selection = WhiteSilver;
13652 else selection = (ChessSquare)((int)piece - 1);
13656 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13657 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13658 selection = (ChessSquare) (DEMOTED piece);
13659 } else if(piece == EmptySquare) selection = BlackSilver;
13660 else selection = (ChessSquare)((int)piece + 1);
13665 if(gameInfo.variant == VariantShatranj ||
13666 gameInfo.variant == VariantXiangqi ||
13667 gameInfo.variant == VariantCourier ||
13668 gameInfo.variant == VariantMakruk )
13669 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13674 if(gameInfo.variant == VariantXiangqi)
13675 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13676 if(gameInfo.variant == VariantKnightmate)
13677 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13680 if (gameMode == IcsExamining) {
13681 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13682 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13683 PieceToChar(selection), AAA + x, ONE + y);
13686 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13688 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13689 n = PieceToNumber(selection - BlackPawn);
13690 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13691 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13692 boards[0][BOARD_HEIGHT-1-n][1]++;
13694 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13695 n = PieceToNumber(selection);
13696 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13697 boards[0][n][BOARD_WIDTH-1] = selection;
13698 boards[0][n][BOARD_WIDTH-2]++;
13701 boards[0][y][x] = selection;
13702 DrawPosition(TRUE, boards[0]);
13710 DropMenuEvent(selection, x, y)
13711 ChessSquare selection;
13714 ChessMove moveType;
13716 switch (gameMode) {
13717 case IcsPlayingWhite:
13718 case MachinePlaysBlack:
13719 if (!WhiteOnMove(currentMove)) {
13720 DisplayMoveError(_("It is Black's turn"));
13723 moveType = WhiteDrop;
13725 case IcsPlayingBlack:
13726 case MachinePlaysWhite:
13727 if (WhiteOnMove(currentMove)) {
13728 DisplayMoveError(_("It is White's turn"));
13731 moveType = BlackDrop;
13734 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13740 if (moveType == BlackDrop && selection < BlackPawn) {
13741 selection = (ChessSquare) ((int) selection
13742 + (int) BlackPawn - (int) WhitePawn);
13744 if (boards[currentMove][y][x] != EmptySquare) {
13745 DisplayMoveError(_("That square is occupied"));
13749 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13755 /* Accept a pending offer of any kind from opponent */
13757 if (appData.icsActive) {
13758 SendToICS(ics_prefix);
13759 SendToICS("accept\n");
13760 } else if (cmailMsgLoaded) {
13761 if (currentMove == cmailOldMove &&
13762 commentList[cmailOldMove] != NULL &&
13763 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13764 "Black offers a draw" : "White offers a draw")) {
13766 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13767 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13769 DisplayError(_("There is no pending offer on this move"), 0);
13770 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13773 /* Not used for offers from chess program */
13780 /* Decline a pending offer of any kind from opponent */
13782 if (appData.icsActive) {
13783 SendToICS(ics_prefix);
13784 SendToICS("decline\n");
13785 } else if (cmailMsgLoaded) {
13786 if (currentMove == cmailOldMove &&
13787 commentList[cmailOldMove] != NULL &&
13788 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13789 "Black offers a draw" : "White offers a draw")) {
13791 AppendComment(cmailOldMove, "Draw declined", TRUE);
13792 DisplayComment(cmailOldMove - 1, "Draw declined");
13795 DisplayError(_("There is no pending offer on this move"), 0);
13798 /* Not used for offers from chess program */
13805 /* Issue ICS rematch command */
13806 if (appData.icsActive) {
13807 SendToICS(ics_prefix);
13808 SendToICS("rematch\n");
13815 /* Call your opponent's flag (claim a win on time) */
13816 if (appData.icsActive) {
13817 SendToICS(ics_prefix);
13818 SendToICS("flag\n");
13820 switch (gameMode) {
13823 case MachinePlaysWhite:
13826 GameEnds(GameIsDrawn, "Both players ran out of time",
13829 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13831 DisplayError(_("Your opponent is not out of time"), 0);
13834 case MachinePlaysBlack:
13837 GameEnds(GameIsDrawn, "Both players ran out of time",
13840 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13842 DisplayError(_("Your opponent is not out of time"), 0);
13850 ClockClick(int which)
13851 { // [HGM] code moved to back-end from winboard.c
13852 if(which) { // black clock
13853 if (gameMode == EditPosition || gameMode == IcsExamining) {
13854 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13855 SetBlackToPlayEvent();
13856 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
13857 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
13858 } else if (shiftKey) {
13859 AdjustClock(which, -1);
13860 } else if (gameMode == IcsPlayingWhite ||
13861 gameMode == MachinePlaysBlack) {
13864 } else { // white clock
13865 if (gameMode == EditPosition || gameMode == IcsExamining) {
13866 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13867 SetWhiteToPlayEvent();
13868 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
13869 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
13870 } else if (shiftKey) {
13871 AdjustClock(which, -1);
13872 } else if (gameMode == IcsPlayingBlack ||
13873 gameMode == MachinePlaysWhite) {
13882 /* Offer draw or accept pending draw offer from opponent */
13884 if (appData.icsActive) {
13885 /* Note: tournament rules require draw offers to be
13886 made after you make your move but before you punch
13887 your clock. Currently ICS doesn't let you do that;
13888 instead, you immediately punch your clock after making
13889 a move, but you can offer a draw at any time. */
13891 SendToICS(ics_prefix);
13892 SendToICS("draw\n");
13893 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13894 } else if (cmailMsgLoaded) {
13895 if (currentMove == cmailOldMove &&
13896 commentList[cmailOldMove] != NULL &&
13897 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13898 "Black offers a draw" : "White offers a draw")) {
13899 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13900 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13901 } else if (currentMove == cmailOldMove + 1) {
13902 char *offer = WhiteOnMove(cmailOldMove) ?
13903 "White offers a draw" : "Black offers a draw";
13904 AppendComment(currentMove, offer, TRUE);
13905 DisplayComment(currentMove - 1, offer);
13906 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13908 DisplayError(_("You must make your move before offering a draw"), 0);
13909 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13911 } else if (first.offeredDraw) {
13912 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13914 if (first.sendDrawOffers) {
13915 SendToProgram("draw\n", &first);
13916 userOfferedDraw = TRUE;
13924 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13926 if (appData.icsActive) {
13927 SendToICS(ics_prefix);
13928 SendToICS("adjourn\n");
13930 /* Currently GNU Chess doesn't offer or accept Adjourns */
13938 /* Offer Abort or accept pending Abort offer from opponent */
13940 if (appData.icsActive) {
13941 SendToICS(ics_prefix);
13942 SendToICS("abort\n");
13944 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13951 /* Resign. You can do this even if it's not your turn. */
13953 if (appData.icsActive) {
13954 SendToICS(ics_prefix);
13955 SendToICS("resign\n");
13957 switch (gameMode) {
13958 case MachinePlaysWhite:
13959 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13961 case MachinePlaysBlack:
13962 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13965 if (cmailMsgLoaded) {
13967 if (WhiteOnMove(cmailOldMove)) {
13968 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13970 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13972 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13983 StopObservingEvent()
13985 /* Stop observing current games */
13986 SendToICS(ics_prefix);
13987 SendToICS("unobserve\n");
13991 StopExaminingEvent()
13993 /* Stop observing current game */
13994 SendToICS(ics_prefix);
13995 SendToICS("unexamine\n");
13999 ForwardInner(target)
14004 if (appData.debugMode)
14005 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14006 target, currentMove, forwardMostMove);
14008 if (gameMode == EditPosition)
14011 if (gameMode == PlayFromGameFile && !pausing)
14014 if (gameMode == IcsExamining && pausing)
14015 limit = pauseExamForwardMostMove;
14017 limit = forwardMostMove;
14019 if (target > limit) target = limit;
14021 if (target > 0 && moveList[target - 1][0]) {
14022 int fromX, fromY, toX, toY;
14023 toX = moveList[target - 1][2] - AAA;
14024 toY = moveList[target - 1][3] - ONE;
14025 if (moveList[target - 1][1] == '@') {
14026 if (appData.highlightLastMove) {
14027 SetHighlights(-1, -1, toX, toY);
14030 fromX = moveList[target - 1][0] - AAA;
14031 fromY = moveList[target - 1][1] - ONE;
14032 if (target == currentMove + 1) {
14033 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14035 if (appData.highlightLastMove) {
14036 SetHighlights(fromX, fromY, toX, toY);
14040 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14041 gameMode == Training || gameMode == PlayFromGameFile ||
14042 gameMode == AnalyzeFile) {
14043 while (currentMove < target) {
14044 SendMoveToProgram(currentMove++, &first);
14047 currentMove = target;
14050 if (gameMode == EditGame || gameMode == EndOfGame) {
14051 whiteTimeRemaining = timeRemaining[0][currentMove];
14052 blackTimeRemaining = timeRemaining[1][currentMove];
14054 DisplayBothClocks();
14055 DisplayMove(currentMove - 1);
14056 DrawPosition(FALSE, boards[currentMove]);
14057 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14058 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14059 DisplayComment(currentMove - 1, commentList[currentMove]);
14067 if (gameMode == IcsExamining && !pausing) {
14068 SendToICS(ics_prefix);
14069 SendToICS("forward\n");
14071 ForwardInner(currentMove + 1);
14078 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14079 /* to optimze, we temporarily turn off analysis mode while we feed
14080 * the remaining moves to the engine. Otherwise we get analysis output
14083 if (first.analysisSupport) {
14084 SendToProgram("exit\nforce\n", &first);
14085 first.analyzing = FALSE;
14089 if (gameMode == IcsExamining && !pausing) {
14090 SendToICS(ics_prefix);
14091 SendToICS("forward 999999\n");
14093 ForwardInner(forwardMostMove);
14096 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14097 /* we have fed all the moves, so reactivate analysis mode */
14098 SendToProgram("analyze\n", &first);
14099 first.analyzing = TRUE;
14100 /*first.maybeThinking = TRUE;*/
14101 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14106 BackwardInner(target)
14109 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14111 if (appData.debugMode)
14112 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14113 target, currentMove, forwardMostMove);
14115 if (gameMode == EditPosition) return;
14116 if (currentMove <= backwardMostMove) {
14118 DrawPosition(full_redraw, boards[currentMove]);
14121 if (gameMode == PlayFromGameFile && !pausing)
14124 if (moveList[target][0]) {
14125 int fromX, fromY, toX, toY;
14126 toX = moveList[target][2] - AAA;
14127 toY = moveList[target][3] - ONE;
14128 if (moveList[target][1] == '@') {
14129 if (appData.highlightLastMove) {
14130 SetHighlights(-1, -1, toX, toY);
14133 fromX = moveList[target][0] - AAA;
14134 fromY = moveList[target][1] - ONE;
14135 if (target == currentMove - 1) {
14136 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14138 if (appData.highlightLastMove) {
14139 SetHighlights(fromX, fromY, toX, toY);
14143 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14144 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14145 while (currentMove > target) {
14146 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14147 // null move cannot be undone. Reload program with move history before it.
14149 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14150 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14152 SendBoard(&first, i);
14153 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14156 SendToProgram("undo\n", &first);
14160 currentMove = target;
14163 if (gameMode == EditGame || gameMode == EndOfGame) {
14164 whiteTimeRemaining = timeRemaining[0][currentMove];
14165 blackTimeRemaining = timeRemaining[1][currentMove];
14167 DisplayBothClocks();
14168 DisplayMove(currentMove - 1);
14169 DrawPosition(full_redraw, boards[currentMove]);
14170 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14171 // [HGM] PV info: routine tests if comment empty
14172 DisplayComment(currentMove - 1, commentList[currentMove]);
14178 if (gameMode == IcsExamining && !pausing) {
14179 SendToICS(ics_prefix);
14180 SendToICS("backward\n");
14182 BackwardInner(currentMove - 1);
14189 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14190 /* to optimize, we temporarily turn off analysis mode while we undo
14191 * all the moves. Otherwise we get analysis output after each undo.
14193 if (first.analysisSupport) {
14194 SendToProgram("exit\nforce\n", &first);
14195 first.analyzing = FALSE;
14199 if (gameMode == IcsExamining && !pausing) {
14200 SendToICS(ics_prefix);
14201 SendToICS("backward 999999\n");
14203 BackwardInner(backwardMostMove);
14206 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14207 /* we have fed all the moves, so reactivate analysis mode */
14208 SendToProgram("analyze\n", &first);
14209 first.analyzing = TRUE;
14210 /*first.maybeThinking = TRUE;*/
14211 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14218 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14219 if (to >= forwardMostMove) to = forwardMostMove;
14220 if (to <= backwardMostMove) to = backwardMostMove;
14221 if (to < currentMove) {
14229 RevertEvent(Boolean annotate)
14231 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14234 if (gameMode != IcsExamining) {
14235 DisplayError(_("You are not examining a game"), 0);
14239 DisplayError(_("You can't revert while pausing"), 0);
14242 SendToICS(ics_prefix);
14243 SendToICS("revert\n");
14249 switch (gameMode) {
14250 case MachinePlaysWhite:
14251 case MachinePlaysBlack:
14252 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14253 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14256 if (forwardMostMove < 2) return;
14257 currentMove = forwardMostMove = forwardMostMove - 2;
14258 whiteTimeRemaining = timeRemaining[0][currentMove];
14259 blackTimeRemaining = timeRemaining[1][currentMove];
14260 DisplayBothClocks();
14261 DisplayMove(currentMove - 1);
14262 ClearHighlights();/*!! could figure this out*/
14263 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14264 SendToProgram("remove\n", &first);
14265 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14268 case BeginningOfGame:
14272 case IcsPlayingWhite:
14273 case IcsPlayingBlack:
14274 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14275 SendToICS(ics_prefix);
14276 SendToICS("takeback 2\n");
14278 SendToICS(ics_prefix);
14279 SendToICS("takeback 1\n");
14288 ChessProgramState *cps;
14290 switch (gameMode) {
14291 case MachinePlaysWhite:
14292 if (!WhiteOnMove(forwardMostMove)) {
14293 DisplayError(_("It is your turn"), 0);
14298 case MachinePlaysBlack:
14299 if (WhiteOnMove(forwardMostMove)) {
14300 DisplayError(_("It is your turn"), 0);
14305 case TwoMachinesPlay:
14306 if (WhiteOnMove(forwardMostMove) ==
14307 (first.twoMachinesColor[0] == 'w')) {
14313 case BeginningOfGame:
14317 SendToProgram("?\n", cps);
14321 TruncateGameEvent()
14324 if (gameMode != EditGame) return;
14331 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14332 if (forwardMostMove > currentMove) {
14333 if (gameInfo.resultDetails != NULL) {
14334 free(gameInfo.resultDetails);
14335 gameInfo.resultDetails = NULL;
14336 gameInfo.result = GameUnfinished;
14338 forwardMostMove = currentMove;
14339 HistorySet(parseList, backwardMostMove, forwardMostMove,
14347 if (appData.noChessProgram) return;
14348 switch (gameMode) {
14349 case MachinePlaysWhite:
14350 if (WhiteOnMove(forwardMostMove)) {
14351 DisplayError(_("Wait until your turn"), 0);
14355 case BeginningOfGame:
14356 case MachinePlaysBlack:
14357 if (!WhiteOnMove(forwardMostMove)) {
14358 DisplayError(_("Wait until your turn"), 0);
14363 DisplayError(_("No hint available"), 0);
14366 SendToProgram("hint\n", &first);
14367 hintRequested = TRUE;
14373 if (appData.noChessProgram) return;
14374 switch (gameMode) {
14375 case MachinePlaysWhite:
14376 if (WhiteOnMove(forwardMostMove)) {
14377 DisplayError(_("Wait until your turn"), 0);
14381 case BeginningOfGame:
14382 case MachinePlaysBlack:
14383 if (!WhiteOnMove(forwardMostMove)) {
14384 DisplayError(_("Wait until your turn"), 0);
14389 EditPositionDone(TRUE);
14391 case TwoMachinesPlay:
14396 SendToProgram("bk\n", &first);
14397 bookOutput[0] = NULLCHAR;
14398 bookRequested = TRUE;
14404 char *tags = PGNTags(&gameInfo);
14405 TagsPopUp(tags, CmailMsg());
14409 /* end button procedures */
14412 PrintPosition(fp, move)
14418 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14419 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14420 char c = PieceToChar(boards[move][i][j]);
14421 fputc(c == 'x' ? '.' : c, fp);
14422 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14425 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14426 fprintf(fp, "white to play\n");
14428 fprintf(fp, "black to play\n");
14435 if (gameInfo.white != NULL) {
14436 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14442 /* Find last component of program's own name, using some heuristics */
14444 TidyProgramName(prog, host, buf)
14445 char *prog, *host, buf[MSG_SIZ];
14448 int local = (strcmp(host, "localhost") == 0);
14449 while (!local && (p = strchr(prog, ';')) != NULL) {
14451 while (*p == ' ') p++;
14454 if (*prog == '"' || *prog == '\'') {
14455 q = strchr(prog + 1, *prog);
14457 q = strchr(prog, ' ');
14459 if (q == NULL) q = prog + strlen(prog);
14461 while (p >= prog && *p != '/' && *p != '\\') p--;
14463 if(p == prog && *p == '"') p++;
14464 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14465 memcpy(buf, p, q - p);
14466 buf[q - p] = NULLCHAR;
14474 TimeControlTagValue()
14477 if (!appData.clockMode) {
14478 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14479 } else if (movesPerSession > 0) {
14480 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14481 } else if (timeIncrement == 0) {
14482 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14484 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14486 return StrSave(buf);
14492 /* This routine is used only for certain modes */
14493 VariantClass v = gameInfo.variant;
14494 ChessMove r = GameUnfinished;
14497 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14498 r = gameInfo.result;
14499 p = gameInfo.resultDetails;
14500 gameInfo.resultDetails = NULL;
14502 ClearGameInfo(&gameInfo);
14503 gameInfo.variant = v;
14505 switch (gameMode) {
14506 case MachinePlaysWhite:
14507 gameInfo.event = StrSave( appData.pgnEventHeader );
14508 gameInfo.site = StrSave(HostName());
14509 gameInfo.date = PGNDate();
14510 gameInfo.round = StrSave("-");
14511 gameInfo.white = StrSave(first.tidy);
14512 gameInfo.black = StrSave(UserName());
14513 gameInfo.timeControl = TimeControlTagValue();
14516 case MachinePlaysBlack:
14517 gameInfo.event = StrSave( appData.pgnEventHeader );
14518 gameInfo.site = StrSave(HostName());
14519 gameInfo.date = PGNDate();
14520 gameInfo.round = StrSave("-");
14521 gameInfo.white = StrSave(UserName());
14522 gameInfo.black = StrSave(first.tidy);
14523 gameInfo.timeControl = TimeControlTagValue();
14526 case TwoMachinesPlay:
14527 gameInfo.event = StrSave( appData.pgnEventHeader );
14528 gameInfo.site = StrSave(HostName());
14529 gameInfo.date = PGNDate();
14532 snprintf(buf, MSG_SIZ, "%d", roundNr);
14533 gameInfo.round = StrSave(buf);
14535 gameInfo.round = StrSave("-");
14537 if (first.twoMachinesColor[0] == 'w') {
14538 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14539 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14541 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14542 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14544 gameInfo.timeControl = TimeControlTagValue();
14548 gameInfo.event = StrSave("Edited game");
14549 gameInfo.site = StrSave(HostName());
14550 gameInfo.date = PGNDate();
14551 gameInfo.round = StrSave("-");
14552 gameInfo.white = StrSave("-");
14553 gameInfo.black = StrSave("-");
14554 gameInfo.result = r;
14555 gameInfo.resultDetails = p;
14559 gameInfo.event = StrSave("Edited position");
14560 gameInfo.site = StrSave(HostName());
14561 gameInfo.date = PGNDate();
14562 gameInfo.round = StrSave("-");
14563 gameInfo.white = StrSave("-");
14564 gameInfo.black = StrSave("-");
14567 case IcsPlayingWhite:
14568 case IcsPlayingBlack:
14573 case PlayFromGameFile:
14574 gameInfo.event = StrSave("Game from non-PGN file");
14575 gameInfo.site = StrSave(HostName());
14576 gameInfo.date = PGNDate();
14577 gameInfo.round = StrSave("-");
14578 gameInfo.white = StrSave("?");
14579 gameInfo.black = StrSave("?");
14588 ReplaceComment(index, text)
14596 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14597 pvInfoList[index-1].depth == len &&
14598 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14599 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14600 while (*text == '\n') text++;
14601 len = strlen(text);
14602 while (len > 0 && text[len - 1] == '\n') len--;
14604 if (commentList[index] != NULL)
14605 free(commentList[index]);
14608 commentList[index] = NULL;
14611 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14612 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14613 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14614 commentList[index] = (char *) malloc(len + 2);
14615 strncpy(commentList[index], text, len);
14616 commentList[index][len] = '\n';
14617 commentList[index][len + 1] = NULLCHAR;
14619 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14621 commentList[index] = (char *) malloc(len + 7);
14622 safeStrCpy(commentList[index], "{\n", 3);
14623 safeStrCpy(commentList[index]+2, text, len+1);
14624 commentList[index][len+2] = NULLCHAR;
14625 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14626 strcat(commentList[index], "\n}\n");
14640 if (ch == '\r') continue;
14642 } while (ch != '\0');
14646 AppendComment(index, text, addBraces)
14649 Boolean addBraces; // [HGM] braces: tells if we should add {}
14654 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14655 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14658 while (*text == '\n') text++;
14659 len = strlen(text);
14660 while (len > 0 && text[len - 1] == '\n') len--;
14662 if (len == 0) return;
14664 if (commentList[index] != NULL) {
14665 Boolean addClosingBrace = addBraces;
14666 old = commentList[index];
14667 oldlen = strlen(old);
14668 while(commentList[index][oldlen-1] == '\n')
14669 commentList[index][--oldlen] = NULLCHAR;
14670 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14671 safeStrCpy(commentList[index], old, oldlen + len + 6);
14673 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14674 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14675 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14676 while (*text == '\n') { text++; len--; }
14677 commentList[index][--oldlen] = NULLCHAR;
14679 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14680 else strcat(commentList[index], "\n");
14681 strcat(commentList[index], text);
14682 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14683 else strcat(commentList[index], "\n");
14685 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14687 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14688 else commentList[index][0] = NULLCHAR;
14689 strcat(commentList[index], text);
14690 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14691 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14695 static char * FindStr( char * text, char * sub_text )
14697 char * result = strstr( text, sub_text );
14699 if( result != NULL ) {
14700 result += strlen( sub_text );
14706 /* [AS] Try to extract PV info from PGN comment */
14707 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14708 char *GetInfoFromComment( int index, char * text )
14710 char * sep = text, *p;
14712 if( text != NULL && index > 0 ) {
14715 int time = -1, sec = 0, deci;
14716 char * s_eval = FindStr( text, "[%eval " );
14717 char * s_emt = FindStr( text, "[%emt " );
14719 if( s_eval != NULL || s_emt != NULL ) {
14723 if( s_eval != NULL ) {
14724 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14728 if( delim != ']' ) {
14733 if( s_emt != NULL ) {
14738 /* We expect something like: [+|-]nnn.nn/dd */
14741 if(*text != '{') return text; // [HGM] braces: must be normal comment
14743 sep = strchr( text, '/' );
14744 if( sep == NULL || sep < (text+4) ) {
14749 if(p[1] == '(') { // comment starts with PV
14750 p = strchr(p, ')'); // locate end of PV
14751 if(p == NULL || sep < p+5) return text;
14752 // at this point we have something like "{(.*) +0.23/6 ..."
14753 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14754 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14755 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14757 time = -1; sec = -1; deci = -1;
14758 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14759 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14760 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14761 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14765 if( score_lo < 0 || score_lo >= 100 ) {
14769 if(sec >= 0) time = 600*time + 10*sec; else
14770 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14772 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14774 /* [HGM] PV time: now locate end of PV info */
14775 while( *++sep >= '0' && *sep <= '9'); // strip depth
14777 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14779 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14781 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14782 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
14793 pvInfoList[index-1].depth = depth;
14794 pvInfoList[index-1].score = score;
14795 pvInfoList[index-1].time = 10*time; // centi-sec
14796 if(*sep == '}') *sep = 0; else *--sep = '{';
14797 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14803 SendToProgram(message, cps)
14805 ChessProgramState *cps;
14807 int count, outCount, error;
14810 if (cps->pr == NULL) return;
14813 if (appData.debugMode) {
14816 fprintf(debugFP, "%ld >%-6s: %s",
14817 SubtractTimeMarks(&now, &programStartTime),
14818 cps->which, message);
14821 count = strlen(message);
14822 outCount = OutputToProcess(cps->pr, message, count, &error);
14823 if (outCount < count && !exiting
14824 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14825 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14826 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14827 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14828 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14829 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14830 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14831 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14833 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14834 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14835 gameInfo.result = res;
14837 gameInfo.resultDetails = StrSave(buf);
14839 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14840 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14845 ReceiveFromProgram(isr, closure, message, count, error)
14846 InputSourceRef isr;
14854 ChessProgramState *cps = (ChessProgramState *)closure;
14856 if (isr != cps->isr) return; /* Killed intentionally */
14859 RemoveInputSource(cps->isr);
14860 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14861 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14862 _(cps->which), cps->program);
14863 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14864 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14865 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14866 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14867 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14869 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14870 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14871 gameInfo.result = res;
14873 gameInfo.resultDetails = StrSave(buf);
14875 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14876 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14878 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14879 _(cps->which), cps->program);
14880 RemoveInputSource(cps->isr);
14882 /* [AS] Program is misbehaving badly... kill it */
14883 if( count == -2 ) {
14884 DestroyChildProcess( cps->pr, 9 );
14888 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14893 if ((end_str = strchr(message, '\r')) != NULL)
14894 *end_str = NULLCHAR;
14895 if ((end_str = strchr(message, '\n')) != NULL)
14896 *end_str = NULLCHAR;
14898 if (appData.debugMode) {
14899 TimeMark now; int print = 1;
14900 char *quote = ""; char c; int i;
14902 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14903 char start = message[0];
14904 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14905 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14906 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14907 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14908 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14909 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14910 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14911 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14912 sscanf(message, "hint: %c", &c)!=1 &&
14913 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14914 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14915 print = (appData.engineComments >= 2);
14917 message[0] = start; // restore original message
14921 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14922 SubtractTimeMarks(&now, &programStartTime), cps->which,
14928 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14929 if (appData.icsEngineAnalyze) {
14930 if (strstr(message, "whisper") != NULL ||
14931 strstr(message, "kibitz") != NULL ||
14932 strstr(message, "tellics") != NULL) return;
14935 HandleMachineMove(message, cps);
14940 SendTimeControl(cps, mps, tc, inc, sd, st)
14941 ChessProgramState *cps;
14942 int mps, inc, sd, st;
14948 if( timeControl_2 > 0 ) {
14949 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14950 tc = timeControl_2;
14953 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14954 inc /= cps->timeOdds;
14955 st /= cps->timeOdds;
14957 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14960 /* Set exact time per move, normally using st command */
14961 if (cps->stKludge) {
14962 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14964 if (seconds == 0) {
14965 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14967 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14970 snprintf(buf, MSG_SIZ, "st %d\n", st);
14973 /* Set conventional or incremental time control, using level command */
14974 if (seconds == 0) {
14975 /* Note old gnuchess bug -- minutes:seconds used to not work.
14976 Fixed in later versions, but still avoid :seconds
14977 when seconds is 0. */
14978 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14980 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14981 seconds, inc/1000.);
14984 SendToProgram(buf, cps);
14986 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14987 /* Orthogonally, limit search to given depth */
14989 if (cps->sdKludge) {
14990 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14992 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14994 SendToProgram(buf, cps);
14997 if(cps->nps >= 0) { /* [HGM] nps */
14998 if(cps->supportsNPS == FALSE)
14999 cps->nps = -1; // don't use if engine explicitly says not supported!
15001 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15002 SendToProgram(buf, cps);
15007 ChessProgramState *WhitePlayer()
15008 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15010 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15011 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15017 SendTimeRemaining(cps, machineWhite)
15018 ChessProgramState *cps;
15019 int /*boolean*/ machineWhite;
15021 char message[MSG_SIZ];
15024 /* Note: this routine must be called when the clocks are stopped
15025 or when they have *just* been set or switched; otherwise
15026 it will be off by the time since the current tick started.
15028 if (machineWhite) {
15029 time = whiteTimeRemaining / 10;
15030 otime = blackTimeRemaining / 10;
15032 time = blackTimeRemaining / 10;
15033 otime = whiteTimeRemaining / 10;
15035 /* [HGM] translate opponent's time by time-odds factor */
15036 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15037 if (appData.debugMode) {
15038 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15041 if (time <= 0) time = 1;
15042 if (otime <= 0) otime = 1;
15044 snprintf(message, MSG_SIZ, "time %ld\n", time);
15045 SendToProgram(message, cps);
15047 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15048 SendToProgram(message, cps);
15052 BoolFeature(p, name, loc, cps)
15056 ChessProgramState *cps;
15059 int len = strlen(name);
15062 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15064 sscanf(*p, "%d", &val);
15066 while (**p && **p != ' ')
15068 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15069 SendToProgram(buf, cps);
15076 IntFeature(p, name, loc, cps)
15080 ChessProgramState *cps;
15083 int len = strlen(name);
15084 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15086 sscanf(*p, "%d", loc);
15087 while (**p && **p != ' ') (*p)++;
15088 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15089 SendToProgram(buf, cps);
15096 StringFeature(p, name, loc, cps)
15100 ChessProgramState *cps;
15103 int len = strlen(name);
15104 if (strncmp((*p), name, len) == 0
15105 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15107 sscanf(*p, "%[^\"]", loc);
15108 while (**p && **p != '\"') (*p)++;
15109 if (**p == '\"') (*p)++;
15110 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15111 SendToProgram(buf, cps);
15118 ParseOption(Option *opt, ChessProgramState *cps)
15119 // [HGM] options: process the string that defines an engine option, and determine
15120 // name, type, default value, and allowed value range
15122 char *p, *q, buf[MSG_SIZ];
15123 int n, min = (-1)<<31, max = 1<<31, def;
15125 if(p = strstr(opt->name, " -spin ")) {
15126 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15127 if(max < min) max = min; // enforce consistency
15128 if(def < min) def = min;
15129 if(def > max) def = max;
15134 } else if((p = strstr(opt->name, " -slider "))) {
15135 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15136 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15137 if(max < min) max = min; // enforce consistency
15138 if(def < min) def = min;
15139 if(def > max) def = max;
15143 opt->type = Spin; // Slider;
15144 } else if((p = strstr(opt->name, " -string "))) {
15145 opt->textValue = p+9;
15146 opt->type = TextBox;
15147 } else if((p = strstr(opt->name, " -file "))) {
15148 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15149 opt->textValue = p+7;
15150 opt->type = FileName; // FileName;
15151 } else if((p = strstr(opt->name, " -path "))) {
15152 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15153 opt->textValue = p+7;
15154 opt->type = PathName; // PathName;
15155 } else if(p = strstr(opt->name, " -check ")) {
15156 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15157 opt->value = (def != 0);
15158 opt->type = CheckBox;
15159 } else if(p = strstr(opt->name, " -combo ")) {
15160 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15161 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15162 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15163 opt->value = n = 0;
15164 while(q = StrStr(q, " /// ")) {
15165 n++; *q = 0; // count choices, and null-terminate each of them
15167 if(*q == '*') { // remember default, which is marked with * prefix
15171 cps->comboList[cps->comboCnt++] = q;
15173 cps->comboList[cps->comboCnt++] = NULL;
15175 opt->type = ComboBox;
15176 } else if(p = strstr(opt->name, " -button")) {
15177 opt->type = Button;
15178 } else if(p = strstr(opt->name, " -save")) {
15179 opt->type = SaveButton;
15180 } else return FALSE;
15181 *p = 0; // terminate option name
15182 // now look if the command-line options define a setting for this engine option.
15183 if(cps->optionSettings && cps->optionSettings[0])
15184 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15185 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15186 snprintf(buf, MSG_SIZ, "option %s", p);
15187 if(p = strstr(buf, ",")) *p = 0;
15188 if(q = strchr(buf, '=')) switch(opt->type) {
15190 for(n=0; n<opt->max; n++)
15191 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15194 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15198 opt->value = atoi(q+1);
15203 SendToProgram(buf, cps);
15209 FeatureDone(cps, val)
15210 ChessProgramState* cps;
15213 DelayedEventCallback cb = GetDelayedEvent();
15214 if ((cb == InitBackEnd3 && cps == &first) ||
15215 (cb == SettingsMenuIfReady && cps == &second) ||
15216 (cb == LoadEngine) ||
15217 (cb == TwoMachinesEventIfReady)) {
15218 CancelDelayedEvent();
15219 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15221 cps->initDone = val;
15224 /* Parse feature command from engine */
15226 ParseFeatures(args, cps)
15228 ChessProgramState *cps;
15236 while (*p == ' ') p++;
15237 if (*p == NULLCHAR) return;
15239 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15240 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15241 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15242 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15243 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15244 if (BoolFeature(&p, "reuse", &val, cps)) {
15245 /* Engine can disable reuse, but can't enable it if user said no */
15246 if (!val) cps->reuse = FALSE;
15249 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15250 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15251 if (gameMode == TwoMachinesPlay) {
15252 DisplayTwoMachinesTitle();
15258 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15259 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15260 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15261 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15262 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15263 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15264 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15265 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15266 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15267 if (IntFeature(&p, "done", &val, cps)) {
15268 FeatureDone(cps, val);
15271 /* Added by Tord: */
15272 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15273 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15274 /* End of additions by Tord */
15276 /* [HGM] added features: */
15277 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15278 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15279 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15280 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15281 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15282 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15283 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15284 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15285 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15286 SendToProgram(buf, cps);
15289 if(cps->nrOptions >= MAX_OPTIONS) {
15291 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15292 DisplayError(buf, 0);
15296 /* End of additions by HGM */
15298 /* unknown feature: complain and skip */
15300 while (*q && *q != '=') q++;
15301 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15302 SendToProgram(buf, cps);
15308 while (*p && *p != '\"') p++;
15309 if (*p == '\"') p++;
15311 while (*p && *p != ' ') p++;
15319 PeriodicUpdatesEvent(newState)
15322 if (newState == appData.periodicUpdates)
15325 appData.periodicUpdates=newState;
15327 /* Display type changes, so update it now */
15328 // DisplayAnalysis();
15330 /* Get the ball rolling again... */
15332 AnalysisPeriodicEvent(1);
15333 StartAnalysisClock();
15338 PonderNextMoveEvent(newState)
15341 if (newState == appData.ponderNextMove) return;
15342 if (gameMode == EditPosition) EditPositionDone(TRUE);
15344 SendToProgram("hard\n", &first);
15345 if (gameMode == TwoMachinesPlay) {
15346 SendToProgram("hard\n", &second);
15349 SendToProgram("easy\n", &first);
15350 thinkOutput[0] = NULLCHAR;
15351 if (gameMode == TwoMachinesPlay) {
15352 SendToProgram("easy\n", &second);
15355 appData.ponderNextMove = newState;
15359 NewSettingEvent(option, feature, command, value)
15361 int option, value, *feature;
15365 if (gameMode == EditPosition) EditPositionDone(TRUE);
15366 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15367 if(feature == NULL || *feature) SendToProgram(buf, &first);
15368 if (gameMode == TwoMachinesPlay) {
15369 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15374 ShowThinkingEvent()
15375 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15377 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15378 int newState = appData.showThinking
15379 // [HGM] thinking: other features now need thinking output as well
15380 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15382 if (oldState == newState) return;
15383 oldState = newState;
15384 if (gameMode == EditPosition) EditPositionDone(TRUE);
15386 SendToProgram("post\n", &first);
15387 if (gameMode == TwoMachinesPlay) {
15388 SendToProgram("post\n", &second);
15391 SendToProgram("nopost\n", &first);
15392 thinkOutput[0] = NULLCHAR;
15393 if (gameMode == TwoMachinesPlay) {
15394 SendToProgram("nopost\n", &second);
15397 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15401 AskQuestionEvent(title, question, replyPrefix, which)
15402 char *title; char *question; char *replyPrefix; char *which;
15404 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15405 if (pr == NoProc) return;
15406 AskQuestion(title, question, replyPrefix, pr);
15410 TypeInEvent(char firstChar)
15412 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15413 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15414 gameMode == AnalyzeMode || gameMode == EditGame ||
15415 gameMode == EditPosition || gameMode == IcsExamining ||
15416 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15417 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15418 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15419 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15420 gameMode == Training) PopUpMoveDialog(firstChar);
15424 TypeInDoneEvent(char *move)
15427 int n, fromX, fromY, toX, toY;
15429 ChessMove moveType;
15432 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15433 EditPositionPasteFEN(move);
15436 // [HGM] movenum: allow move number to be typed in any mode
15437 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15442 if (gameMode != EditGame && currentMove != forwardMostMove &&
15443 gameMode != Training) {
15444 DisplayMoveError(_("Displayed move is not current"));
15446 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15447 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15448 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15449 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15450 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15451 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15453 DisplayMoveError(_("Could not parse move"));
15459 DisplayMove(moveNumber)
15462 char message[MSG_SIZ];
15464 char cpThinkOutput[MSG_SIZ];
15466 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15468 if (moveNumber == forwardMostMove - 1 ||
15469 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15471 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15473 if (strchr(cpThinkOutput, '\n')) {
15474 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15477 *cpThinkOutput = NULLCHAR;
15480 /* [AS] Hide thinking from human user */
15481 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15482 *cpThinkOutput = NULLCHAR;
15483 if( thinkOutput[0] != NULLCHAR ) {
15486 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15487 cpThinkOutput[i] = '.';
15489 cpThinkOutput[i] = NULLCHAR;
15490 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15494 if (moveNumber == forwardMostMove - 1 &&
15495 gameInfo.resultDetails != NULL) {
15496 if (gameInfo.resultDetails[0] == NULLCHAR) {
15497 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15499 snprintf(res, MSG_SIZ, " {%s} %s",
15500 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15506 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15507 DisplayMessage(res, cpThinkOutput);
15509 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15510 WhiteOnMove(moveNumber) ? " " : ".. ",
15511 parseList[moveNumber], res);
15512 DisplayMessage(message, cpThinkOutput);
15517 DisplayComment(moveNumber, text)
15521 char title[MSG_SIZ];
15523 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15524 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15526 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15527 WhiteOnMove(moveNumber) ? " " : ".. ",
15528 parseList[moveNumber]);
15530 if (text != NULL && (appData.autoDisplayComment || commentUp))
15531 CommentPopUp(title, text);
15534 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15535 * might be busy thinking or pondering. It can be omitted if your
15536 * gnuchess is configured to stop thinking immediately on any user
15537 * input. However, that gnuchess feature depends on the FIONREAD
15538 * ioctl, which does not work properly on some flavors of Unix.
15542 ChessProgramState *cps;
15545 if (!cps->useSigint) return;
15546 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15547 switch (gameMode) {
15548 case MachinePlaysWhite:
15549 case MachinePlaysBlack:
15550 case TwoMachinesPlay:
15551 case IcsPlayingWhite:
15552 case IcsPlayingBlack:
15555 /* Skip if we know it isn't thinking */
15556 if (!cps->maybeThinking) return;
15557 if (appData.debugMode)
15558 fprintf(debugFP, "Interrupting %s\n", cps->which);
15559 InterruptChildProcess(cps->pr);
15560 cps->maybeThinking = FALSE;
15565 #endif /*ATTENTION*/
15571 if (whiteTimeRemaining <= 0) {
15574 if (appData.icsActive) {
15575 if (appData.autoCallFlag &&
15576 gameMode == IcsPlayingBlack && !blackFlag) {
15577 SendToICS(ics_prefix);
15578 SendToICS("flag\n");
15582 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15584 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15585 if (appData.autoCallFlag) {
15586 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15593 if (blackTimeRemaining <= 0) {
15596 if (appData.icsActive) {
15597 if (appData.autoCallFlag &&
15598 gameMode == IcsPlayingWhite && !whiteFlag) {
15599 SendToICS(ics_prefix);
15600 SendToICS("flag\n");
15604 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15606 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15607 if (appData.autoCallFlag) {
15608 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15621 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15622 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15625 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15627 if ( !WhiteOnMove(forwardMostMove) ) {
15628 /* White made time control */
15629 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15630 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15631 /* [HGM] time odds: correct new time quota for time odds! */
15632 / WhitePlayer()->timeOdds;
15633 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15635 lastBlack -= blackTimeRemaining;
15636 /* Black made time control */
15637 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15638 / WhitePlayer()->other->timeOdds;
15639 lastWhite = whiteTimeRemaining;
15644 DisplayBothClocks()
15646 int wom = gameMode == EditPosition ?
15647 !blackPlaysFirst : WhiteOnMove(currentMove);
15648 DisplayWhiteClock(whiteTimeRemaining, wom);
15649 DisplayBlackClock(blackTimeRemaining, !wom);
15653 /* Timekeeping seems to be a portability nightmare. I think everyone
15654 has ftime(), but I'm really not sure, so I'm including some ifdefs
15655 to use other calls if you don't. Clocks will be less accurate if
15656 you have neither ftime nor gettimeofday.
15659 /* VS 2008 requires the #include outside of the function */
15660 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15661 #include <sys/timeb.h>
15664 /* Get the current time as a TimeMark */
15669 #if HAVE_GETTIMEOFDAY
15671 struct timeval timeVal;
15672 struct timezone timeZone;
15674 gettimeofday(&timeVal, &timeZone);
15675 tm->sec = (long) timeVal.tv_sec;
15676 tm->ms = (int) (timeVal.tv_usec / 1000L);
15678 #else /*!HAVE_GETTIMEOFDAY*/
15681 // include <sys/timeb.h> / moved to just above start of function
15682 struct timeb timeB;
15685 tm->sec = (long) timeB.time;
15686 tm->ms = (int) timeB.millitm;
15688 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15689 tm->sec = (long) time(NULL);
15695 /* Return the difference in milliseconds between two
15696 time marks. We assume the difference will fit in a long!
15699 SubtractTimeMarks(tm2, tm1)
15700 TimeMark *tm2, *tm1;
15702 return 1000L*(tm2->sec - tm1->sec) +
15703 (long) (tm2->ms - tm1->ms);
15708 * Code to manage the game clocks.
15710 * In tournament play, black starts the clock and then white makes a move.
15711 * We give the human user a slight advantage if he is playing white---the
15712 * clocks don't run until he makes his first move, so it takes zero time.
15713 * Also, we don't account for network lag, so we could get out of sync
15714 * with GNU Chess's clock -- but then, referees are always right.
15717 static TimeMark tickStartTM;
15718 static long intendedTickLength;
15721 NextTickLength(timeRemaining)
15722 long timeRemaining;
15724 long nominalTickLength, nextTickLength;
15726 if (timeRemaining > 0L && timeRemaining <= 10000L)
15727 nominalTickLength = 100L;
15729 nominalTickLength = 1000L;
15730 nextTickLength = timeRemaining % nominalTickLength;
15731 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15733 return nextTickLength;
15736 /* Adjust clock one minute up or down */
15738 AdjustClock(Boolean which, int dir)
15740 if(which) blackTimeRemaining += 60000*dir;
15741 else whiteTimeRemaining += 60000*dir;
15742 DisplayBothClocks();
15745 /* Stop clocks and reset to a fresh time control */
15749 (void) StopClockTimer();
15750 if (appData.icsActive) {
15751 whiteTimeRemaining = blackTimeRemaining = 0;
15752 } else if (searchTime) {
15753 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15754 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15755 } else { /* [HGM] correct new time quote for time odds */
15756 whiteTC = blackTC = fullTimeControlString;
15757 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15758 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15760 if (whiteFlag || blackFlag) {
15762 whiteFlag = blackFlag = FALSE;
15764 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15765 DisplayBothClocks();
15768 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15770 /* Decrement running clock by amount of time that has passed */
15774 long timeRemaining;
15775 long lastTickLength, fudge;
15778 if (!appData.clockMode) return;
15779 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15783 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15785 /* Fudge if we woke up a little too soon */
15786 fudge = intendedTickLength - lastTickLength;
15787 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15789 if (WhiteOnMove(forwardMostMove)) {
15790 if(whiteNPS >= 0) lastTickLength = 0;
15791 timeRemaining = whiteTimeRemaining -= lastTickLength;
15792 if(timeRemaining < 0 && !appData.icsActive) {
15793 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15794 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15795 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15796 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15799 DisplayWhiteClock(whiteTimeRemaining - fudge,
15800 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15802 if(blackNPS >= 0) lastTickLength = 0;
15803 timeRemaining = blackTimeRemaining -= lastTickLength;
15804 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15805 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15807 blackStartMove = forwardMostMove;
15808 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15811 DisplayBlackClock(blackTimeRemaining - fudge,
15812 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15814 if (CheckFlags()) return;
15817 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15818 StartClockTimer(intendedTickLength);
15820 /* if the time remaining has fallen below the alarm threshold, sound the
15821 * alarm. if the alarm has sounded and (due to a takeback or time control
15822 * with increment) the time remaining has increased to a level above the
15823 * threshold, reset the alarm so it can sound again.
15826 if (appData.icsActive && appData.icsAlarm) {
15828 /* make sure we are dealing with the user's clock */
15829 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15830 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15833 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15834 alarmSounded = FALSE;
15835 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15837 alarmSounded = TRUE;
15843 /* A player has just moved, so stop the previously running
15844 clock and (if in clock mode) start the other one.
15845 We redisplay both clocks in case we're in ICS mode, because
15846 ICS gives us an update to both clocks after every move.
15847 Note that this routine is called *after* forwardMostMove
15848 is updated, so the last fractional tick must be subtracted
15849 from the color that is *not* on move now.
15852 SwitchClocks(int newMoveNr)
15854 long lastTickLength;
15856 int flagged = FALSE;
15860 if (StopClockTimer() && appData.clockMode) {
15861 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15862 if (!WhiteOnMove(forwardMostMove)) {
15863 if(blackNPS >= 0) lastTickLength = 0;
15864 blackTimeRemaining -= lastTickLength;
15865 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15866 // if(pvInfoList[forwardMostMove].time == -1)
15867 pvInfoList[forwardMostMove].time = // use GUI time
15868 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15870 if(whiteNPS >= 0) lastTickLength = 0;
15871 whiteTimeRemaining -= lastTickLength;
15872 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15873 // if(pvInfoList[forwardMostMove].time == -1)
15874 pvInfoList[forwardMostMove].time =
15875 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15877 flagged = CheckFlags();
15879 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15880 CheckTimeControl();
15882 if (flagged || !appData.clockMode) return;
15884 switch (gameMode) {
15885 case MachinePlaysBlack:
15886 case MachinePlaysWhite:
15887 case BeginningOfGame:
15888 if (pausing) return;
15892 case PlayFromGameFile:
15900 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15901 if(WhiteOnMove(forwardMostMove))
15902 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15903 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15907 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15908 whiteTimeRemaining : blackTimeRemaining);
15909 StartClockTimer(intendedTickLength);
15913 /* Stop both clocks */
15917 long lastTickLength;
15920 if (!StopClockTimer()) return;
15921 if (!appData.clockMode) return;
15925 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15926 if (WhiteOnMove(forwardMostMove)) {
15927 if(whiteNPS >= 0) lastTickLength = 0;
15928 whiteTimeRemaining -= lastTickLength;
15929 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15931 if(blackNPS >= 0) lastTickLength = 0;
15932 blackTimeRemaining -= lastTickLength;
15933 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15938 /* Start clock of player on move. Time may have been reset, so
15939 if clock is already running, stop and restart it. */
15943 (void) StopClockTimer(); /* in case it was running already */
15944 DisplayBothClocks();
15945 if (CheckFlags()) return;
15947 if (!appData.clockMode) return;
15948 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15950 GetTimeMark(&tickStartTM);
15951 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15952 whiteTimeRemaining : blackTimeRemaining);
15954 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15955 whiteNPS = blackNPS = -1;
15956 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15957 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15958 whiteNPS = first.nps;
15959 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15960 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15961 blackNPS = first.nps;
15962 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15963 whiteNPS = second.nps;
15964 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15965 blackNPS = second.nps;
15966 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15968 StartClockTimer(intendedTickLength);
15975 long second, minute, hour, day;
15977 static char buf[32];
15979 if (ms > 0 && ms <= 9900) {
15980 /* convert milliseconds to tenths, rounding up */
15981 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15983 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15987 /* convert milliseconds to seconds, rounding up */
15988 /* use floating point to avoid strangeness of integer division
15989 with negative dividends on many machines */
15990 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15997 day = second / (60 * 60 * 24);
15998 second = second % (60 * 60 * 24);
15999 hour = second / (60 * 60);
16000 second = second % (60 * 60);
16001 minute = second / 60;
16002 second = second % 60;
16005 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16006 sign, day, hour, minute, second);
16008 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16010 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16017 * This is necessary because some C libraries aren't ANSI C compliant yet.
16020 StrStr(string, match)
16021 char *string, *match;
16025 length = strlen(match);
16027 for (i = strlen(string) - length; i >= 0; i--, string++)
16028 if (!strncmp(match, string, length))
16035 StrCaseStr(string, match)
16036 char *string, *match;
16040 length = strlen(match);
16042 for (i = strlen(string) - length; i >= 0; i--, string++) {
16043 for (j = 0; j < length; j++) {
16044 if (ToLower(match[j]) != ToLower(string[j]))
16047 if (j == length) return string;
16061 c1 = ToLower(*s1++);
16062 c2 = ToLower(*s2++);
16063 if (c1 > c2) return 1;
16064 if (c1 < c2) return -1;
16065 if (c1 == NULLCHAR) return 0;
16074 return isupper(c) ? tolower(c) : c;
16082 return islower(c) ? toupper(c) : c;
16084 #endif /* !_amigados */
16092 if ((ret = (char *) malloc(strlen(s) + 1)))
16094 safeStrCpy(ret, s, strlen(s)+1);
16100 StrSavePtr(s, savePtr)
16101 char *s, **savePtr;
16106 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16107 safeStrCpy(*savePtr, s, strlen(s)+1);
16119 clock = time((time_t *)NULL);
16120 tm = localtime(&clock);
16121 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16122 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16123 return StrSave(buf);
16128 PositionToFEN(move, overrideCastling)
16130 char *overrideCastling;
16132 int i, j, fromX, fromY, toX, toY;
16139 whiteToPlay = (gameMode == EditPosition) ?
16140 !blackPlaysFirst : (move % 2 == 0);
16143 /* Piece placement data */
16144 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16145 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16147 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16148 if (boards[move][i][j] == EmptySquare) {
16150 } else { ChessSquare piece = boards[move][i][j];
16151 if (emptycount > 0) {
16152 if(emptycount<10) /* [HGM] can be >= 10 */
16153 *p++ = '0' + emptycount;
16154 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16157 if(PieceToChar(piece) == '+') {
16158 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16160 piece = (ChessSquare)(DEMOTED piece);
16162 *p++ = PieceToChar(piece);
16164 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16165 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16170 if (emptycount > 0) {
16171 if(emptycount<10) /* [HGM] can be >= 10 */
16172 *p++ = '0' + emptycount;
16173 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16180 /* [HGM] print Crazyhouse or Shogi holdings */
16181 if( gameInfo.holdingsWidth ) {
16182 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16184 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16185 piece = boards[move][i][BOARD_WIDTH-1];
16186 if( piece != EmptySquare )
16187 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16188 *p++ = PieceToChar(piece);
16190 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16191 piece = boards[move][BOARD_HEIGHT-i-1][0];
16192 if( piece != EmptySquare )
16193 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16194 *p++ = PieceToChar(piece);
16197 if( q == p ) *p++ = '-';
16203 *p++ = whiteToPlay ? 'w' : 'b';
16206 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16207 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16209 if(nrCastlingRights) {
16211 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16212 /* [HGM] write directly from rights */
16213 if(boards[move][CASTLING][2] != NoRights &&
16214 boards[move][CASTLING][0] != NoRights )
16215 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16216 if(boards[move][CASTLING][2] != NoRights &&
16217 boards[move][CASTLING][1] != NoRights )
16218 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16219 if(boards[move][CASTLING][5] != NoRights &&
16220 boards[move][CASTLING][3] != NoRights )
16221 *p++ = boards[move][CASTLING][3] + AAA;
16222 if(boards[move][CASTLING][5] != NoRights &&
16223 boards[move][CASTLING][4] != NoRights )
16224 *p++ = boards[move][CASTLING][4] + AAA;
16227 /* [HGM] write true castling rights */
16228 if( nrCastlingRights == 6 ) {
16229 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16230 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16231 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16232 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16233 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16234 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16235 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16236 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16239 if (q == p) *p++ = '-'; /* No castling rights */
16243 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16244 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16245 /* En passant target square */
16246 if (move > backwardMostMove) {
16247 fromX = moveList[move - 1][0] - AAA;
16248 fromY = moveList[move - 1][1] - ONE;
16249 toX = moveList[move - 1][2] - AAA;
16250 toY = moveList[move - 1][3] - ONE;
16251 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16252 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16253 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16255 /* 2-square pawn move just happened */
16257 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16261 } else if(move == backwardMostMove) {
16262 // [HGM] perhaps we should always do it like this, and forget the above?
16263 if((signed char)boards[move][EP_STATUS] >= 0) {
16264 *p++ = boards[move][EP_STATUS] + AAA;
16265 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16276 /* [HGM] find reversible plies */
16277 { int i = 0, j=move;
16279 if (appData.debugMode) { int k;
16280 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16281 for(k=backwardMostMove; k<=forwardMostMove; k++)
16282 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16286 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16287 if( j == backwardMostMove ) i += initialRulePlies;
16288 sprintf(p, "%d ", i);
16289 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16291 /* Fullmove number */
16292 sprintf(p, "%d", (move / 2) + 1);
16294 return StrSave(buf);
16298 ParseFEN(board, blackPlaysFirst, fen)
16300 int *blackPlaysFirst;
16310 /* [HGM] by default clear Crazyhouse holdings, if present */
16311 if(gameInfo.holdingsWidth) {
16312 for(i=0; i<BOARD_HEIGHT; i++) {
16313 board[i][0] = EmptySquare; /* black holdings */
16314 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16315 board[i][1] = (ChessSquare) 0; /* black counts */
16316 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16320 /* Piece placement data */
16321 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16324 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16325 if (*p == '/') p++;
16326 emptycount = gameInfo.boardWidth - j;
16327 while (emptycount--)
16328 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16330 #if(BOARD_FILES >= 10)
16331 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16332 p++; emptycount=10;
16333 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16334 while (emptycount--)
16335 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16337 } else if (isdigit(*p)) {
16338 emptycount = *p++ - '0';
16339 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16340 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16341 while (emptycount--)
16342 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16343 } else if (*p == '+' || isalpha(*p)) {
16344 if (j >= gameInfo.boardWidth) return FALSE;
16346 piece = CharToPiece(*++p);
16347 if(piece == EmptySquare) return FALSE; /* unknown piece */
16348 piece = (ChessSquare) (PROMOTED piece ); p++;
16349 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16350 } else piece = CharToPiece(*p++);
16352 if(piece==EmptySquare) return FALSE; /* unknown piece */
16353 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16354 piece = (ChessSquare) (PROMOTED piece);
16355 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16358 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16364 while (*p == '/' || *p == ' ') p++;
16366 /* [HGM] look for Crazyhouse holdings here */
16367 while(*p==' ') p++;
16368 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16370 if(*p == '-' ) p++; /* empty holdings */ else {
16371 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16372 /* if we would allow FEN reading to set board size, we would */
16373 /* have to add holdings and shift the board read so far here */
16374 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16376 if((int) piece >= (int) BlackPawn ) {
16377 i = (int)piece - (int)BlackPawn;
16378 i = PieceToNumber((ChessSquare)i);
16379 if( i >= gameInfo.holdingsSize ) return FALSE;
16380 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16381 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16383 i = (int)piece - (int)WhitePawn;
16384 i = PieceToNumber((ChessSquare)i);
16385 if( i >= gameInfo.holdingsSize ) return FALSE;
16386 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16387 board[i][BOARD_WIDTH-2]++; /* black holdings */
16394 while(*p == ' ') p++;
16398 if(appData.colorNickNames) {
16399 if( c == appData.colorNickNames[0] ) c = 'w'; else
16400 if( c == appData.colorNickNames[1] ) c = 'b';
16404 *blackPlaysFirst = FALSE;
16407 *blackPlaysFirst = TRUE;
16413 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16414 /* return the extra info in global variiables */
16416 /* set defaults in case FEN is incomplete */
16417 board[EP_STATUS] = EP_UNKNOWN;
16418 for(i=0; i<nrCastlingRights; i++ ) {
16419 board[CASTLING][i] =
16420 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16421 } /* assume possible unless obviously impossible */
16422 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16423 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16424 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16425 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16426 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16427 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16428 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16429 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16432 while(*p==' ') p++;
16433 if(nrCastlingRights) {
16434 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16435 /* castling indicator present, so default becomes no castlings */
16436 for(i=0; i<nrCastlingRights; i++ ) {
16437 board[CASTLING][i] = NoRights;
16440 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16441 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16442 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16443 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16444 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16446 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16447 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16448 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16450 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16451 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16452 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16453 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16454 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16455 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16458 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16459 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16460 board[CASTLING][2] = whiteKingFile;
16463 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16464 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16465 board[CASTLING][2] = whiteKingFile;
16468 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16469 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16470 board[CASTLING][5] = blackKingFile;
16473 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16474 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16475 board[CASTLING][5] = blackKingFile;
16478 default: /* FRC castlings */
16479 if(c >= 'a') { /* black rights */
16480 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16481 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16482 if(i == BOARD_RGHT) break;
16483 board[CASTLING][5] = i;
16485 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16486 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16488 board[CASTLING][3] = c;
16490 board[CASTLING][4] = c;
16491 } else { /* white rights */
16492 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16493 if(board[0][i] == WhiteKing) break;
16494 if(i == BOARD_RGHT) break;
16495 board[CASTLING][2] = i;
16496 c -= AAA - 'a' + 'A';
16497 if(board[0][c] >= WhiteKing) break;
16499 board[CASTLING][0] = c;
16501 board[CASTLING][1] = c;
16505 for(i=0; i<nrCastlingRights; i++)
16506 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16507 if (appData.debugMode) {
16508 fprintf(debugFP, "FEN castling rights:");
16509 for(i=0; i<nrCastlingRights; i++)
16510 fprintf(debugFP, " %d", board[CASTLING][i]);
16511 fprintf(debugFP, "\n");
16514 while(*p==' ') p++;
16517 /* read e.p. field in games that know e.p. capture */
16518 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16519 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16521 p++; board[EP_STATUS] = EP_NONE;
16523 char c = *p++ - AAA;
16525 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16526 if(*p >= '0' && *p <='9') p++;
16527 board[EP_STATUS] = c;
16532 if(sscanf(p, "%d", &i) == 1) {
16533 FENrulePlies = i; /* 50-move ply counter */
16534 /* (The move number is still ignored) */
16541 EditPositionPasteFEN(char *fen)
16544 Board initial_position;
16546 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16547 DisplayError(_("Bad FEN position in clipboard"), 0);
16550 int savedBlackPlaysFirst = blackPlaysFirst;
16551 EditPositionEvent();
16552 blackPlaysFirst = savedBlackPlaysFirst;
16553 CopyBoard(boards[0], initial_position);
16554 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16555 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16556 DisplayBothClocks();
16557 DrawPosition(FALSE, boards[currentMove]);
16562 static char cseq[12] = "\\ ";
16564 Boolean set_cont_sequence(char *new_seq)
16569 // handle bad attempts to set the sequence
16571 return 0; // acceptable error - no debug
16573 len = strlen(new_seq);
16574 ret = (len > 0) && (len < sizeof(cseq));
16576 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16577 else if (appData.debugMode)
16578 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16583 reformat a source message so words don't cross the width boundary. internal
16584 newlines are not removed. returns the wrapped size (no null character unless
16585 included in source message). If dest is NULL, only calculate the size required
16586 for the dest buffer. lp argument indicats line position upon entry, and it's
16587 passed back upon exit.
16589 int wrap(char *dest, char *src, int count, int width, int *lp)
16591 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16593 cseq_len = strlen(cseq);
16594 old_line = line = *lp;
16595 ansi = len = clen = 0;
16597 for (i=0; i < count; i++)
16599 if (src[i] == '\033')
16602 // if we hit the width, back up
16603 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16605 // store i & len in case the word is too long
16606 old_i = i, old_len = len;
16608 // find the end of the last word
16609 while (i && src[i] != ' ' && src[i] != '\n')
16615 // word too long? restore i & len before splitting it
16616 if ((old_i-i+clen) >= width)
16623 if (i && src[i-1] == ' ')
16626 if (src[i] != ' ' && src[i] != '\n')
16633 // now append the newline and continuation sequence
16638 strncpy(dest+len, cseq, cseq_len);
16646 dest[len] = src[i];
16650 if (src[i] == '\n')
16655 if (dest && appData.debugMode)
16657 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16658 count, width, line, len, *lp);
16659 show_bytes(debugFP, src, count);
16660 fprintf(debugFP, "\ndest: ");
16661 show_bytes(debugFP, dest, len);
16662 fprintf(debugFP, "\n");
16664 *lp = dest ? line : old_line;
16669 // [HGM] vari: routines for shelving variations
16670 Boolean modeRestore = FALSE;
16673 PushInner(int firstMove, int lastMove)
16675 int i, j, nrMoves = lastMove - firstMove;
16677 // push current tail of game on stack
16678 savedResult[storedGames] = gameInfo.result;
16679 savedDetails[storedGames] = gameInfo.resultDetails;
16680 gameInfo.resultDetails = NULL;
16681 savedFirst[storedGames] = firstMove;
16682 savedLast [storedGames] = lastMove;
16683 savedFramePtr[storedGames] = framePtr;
16684 framePtr -= nrMoves; // reserve space for the boards
16685 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16686 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16687 for(j=0; j<MOVE_LEN; j++)
16688 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16689 for(j=0; j<2*MOVE_LEN; j++)
16690 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16691 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16692 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16693 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16694 pvInfoList[firstMove+i-1].depth = 0;
16695 commentList[framePtr+i] = commentList[firstMove+i];
16696 commentList[firstMove+i] = NULL;
16700 forwardMostMove = firstMove; // truncate game so we can start variation
16704 PushTail(int firstMove, int lastMove)
16706 if(appData.icsActive) { // only in local mode
16707 forwardMostMove = currentMove; // mimic old ICS behavior
16710 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16712 PushInner(firstMove, lastMove);
16713 if(storedGames == 1) GreyRevert(FALSE);
16714 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16718 PopInner(Boolean annotate)
16721 char buf[8000], moveBuf[20];
16723 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16724 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16725 nrMoves = savedLast[storedGames] - currentMove;
16728 if(!WhiteOnMove(currentMove))
16729 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16730 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16731 for(i=currentMove; i<forwardMostMove; i++) {
16733 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16734 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16735 strcat(buf, moveBuf);
16736 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16737 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16741 for(i=1; i<=nrMoves; i++) { // copy last variation back
16742 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16743 for(j=0; j<MOVE_LEN; j++)
16744 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16745 for(j=0; j<2*MOVE_LEN; j++)
16746 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16747 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16748 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16749 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16750 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16751 commentList[currentMove+i] = commentList[framePtr+i];
16752 commentList[framePtr+i] = NULL;
16754 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16755 framePtr = savedFramePtr[storedGames];
16756 gameInfo.result = savedResult[storedGames];
16757 if(gameInfo.resultDetails != NULL) {
16758 free(gameInfo.resultDetails);
16760 gameInfo.resultDetails = savedDetails[storedGames];
16761 forwardMostMove = currentMove + nrMoves;
16765 PopTail(Boolean annotate)
16767 if(appData.icsActive) return FALSE; // only in local mode
16768 if(!storedGames) return FALSE; // sanity
16769 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16771 PopInner(annotate);
16772 if(currentMove < forwardMostMove) ForwardEvent(); else
16773 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16775 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16781 { // remove all shelved variations
16783 for(i=0; i<storedGames; i++) {
16784 if(savedDetails[i])
16785 free(savedDetails[i]);
16786 savedDetails[i] = NULL;
16788 for(i=framePtr; i<MAX_MOVES; i++) {
16789 if(commentList[i]) free(commentList[i]);
16790 commentList[i] = NULL;
16792 framePtr = MAX_MOVES-1;
16797 LoadVariation(int index, char *text)
16798 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16799 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16800 int level = 0, move;
16802 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16803 // first find outermost bracketing variation
16804 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16805 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16806 if(*p == '{') wait = '}'; else
16807 if(*p == '[') wait = ']'; else
16808 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16809 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16811 if(*p == wait) wait = NULLCHAR; // closing ]} found
16814 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16815 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16816 end[1] = NULLCHAR; // clip off comment beyond variation
16817 ToNrEvent(currentMove-1);
16818 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16819 // kludge: use ParsePV() to append variation to game
16820 move = currentMove;
16821 ParsePV(start, TRUE, TRUE);
16822 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16823 ClearPremoveHighlights();
16825 ToNrEvent(currentMove+1);