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 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
60 int flock(int f, int code);
66 #define DoSleep( n ) if( (n) >= 0) sleep(n)
77 #include <sys/types.h>
86 #else /* not STDC_HEADERS */
89 # else /* not HAVE_STRING_H */
91 # endif /* not HAVE_STRING_H */
92 #endif /* not STDC_HEADERS */
95 # include <sys/fcntl.h>
96 #else /* not HAVE_SYS_FCNTL_H */
99 # endif /* HAVE_FCNTL_H */
100 #endif /* not HAVE_SYS_FCNTL_H */
102 #if TIME_WITH_SYS_TIME
103 # include <sys/time.h>
107 # include <sys/time.h>
113 #if defined(_amigados) && !defined(__GNUC__)
118 extern int gettimeofday(struct timeval *, struct timezone *);
126 #include "frontend.h"
133 #include "backendz.h"
137 # define _(s) gettext (s)
138 # define N_(s) gettext_noop (s)
139 # define T_(s) gettext(s)
152 /* A point in time */
154 long sec; /* Assuming this is >= 32 bits */
155 int ms; /* Assuming this is >= 16 bits */
158 int establish P((void));
159 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
160 char *buf, int count, int error));
161 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
162 char *buf, int count, int error));
163 void ics_printf P((char *format, ...));
164 void SendToICS P((char *s));
165 void SendToICSDelayed P((char *s, long msdelay));
166 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
167 void HandleMachineMove P((char *message, ChessProgramState *cps));
168 int AutoPlayOneMove P((void));
169 int LoadGameOneMove P((ChessMove readAhead));
170 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
171 int LoadPositionFromFile P((char *filename, int n, char *title));
172 int SavePositionToFile P((char *filename));
173 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
175 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
176 void ShowMove P((int fromX, int fromY, int toX, int toY));
177 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
178 /*char*/int promoChar));
179 void BackwardInner P((int target));
180 void ForwardInner P((int target));
181 int Adjudicate P((ChessProgramState *cps));
182 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
183 void EditPositionDone P((Boolean fakeRights));
184 void PrintOpponents P((FILE *fp));
185 void PrintPosition P((FILE *fp, int move));
186 void StartChessProgram P((ChessProgramState *cps));
187 void SendToProgram P((char *message, ChessProgramState *cps));
188 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
189 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
190 char *buf, int count, int error));
191 void SendTimeControl P((ChessProgramState *cps,
192 int mps, long tc, int inc, int sd, int st));
193 char *TimeControlTagValue P((void));
194 void Attention P((ChessProgramState *cps));
195 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
196 int ResurrectChessProgram P((void));
197 void DisplayComment P((int moveNumber, char *text));
198 void DisplayMove P((int moveNumber));
200 void ParseGameHistory P((char *game));
201 void ParseBoard12 P((char *string));
202 void KeepAlive P((void));
203 void StartClocks P((void));
204 void SwitchClocks P((int nr));
205 void StopClocks P((void));
206 void ResetClocks P((void));
207 char *PGNDate P((void));
208 void SetGameInfo P((void));
209 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
210 int RegisterMove P((void));
211 void MakeRegisteredMove P((void));
212 void TruncateGame P((void));
213 int looking_at P((char *, int *, char *));
214 void CopyPlayerNameIntoFileName P((char **, char *));
215 char *SavePart P((char *));
216 int SaveGameOldStyle P((FILE *));
217 int SaveGamePGN P((FILE *));
218 void GetTimeMark P((TimeMark *));
219 long SubtractTimeMarks P((TimeMark *, TimeMark *));
220 int CheckFlags P((void));
221 long NextTickLength P((long));
222 void CheckTimeControl P((void));
223 void show_bytes P((FILE *, char *, int));
224 int string_to_rating P((char *str));
225 void ParseFeatures P((char* args, ChessProgramState *cps));
226 void InitBackEnd3 P((void));
227 void FeatureDone P((ChessProgramState* cps, int val));
228 void InitChessProgram P((ChessProgramState *cps, int setup));
229 void OutputKibitz(int window, char *text);
230 int PerpetualChase(int first, int last);
231 int EngineOutputIsUp();
232 void InitDrawingSizes(int x, int y);
233 void NextMatchGame P((void));
234 int NextTourneyGame P((int nr, int *swap));
235 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
236 FILE *WriteTourneyFile P((char *results));
239 extern void ConsoleCreate();
242 ChessProgramState *WhitePlayer();
243 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
244 int VerifyDisplayMode P(());
246 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
247 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
248 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
249 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
250 void ics_update_width P((int new_width));
251 extern char installDir[MSG_SIZ];
252 VariantClass startVariant; /* [HGM] nicks: initial variant */
255 extern int tinyLayout, smallLayout;
256 ChessProgramStats programStats;
257 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
259 static int exiting = 0; /* [HGM] moved to top */
260 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
261 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
262 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
263 int partnerHighlight[2];
264 Boolean partnerBoardValid = 0;
265 char partnerStatus[MSG_SIZ];
267 Boolean originalFlip;
268 Boolean twoBoards = 0;
269 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
270 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
271 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
272 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
273 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
274 int opponentKibitzes;
275 int lastSavedGame; /* [HGM] save: ID of game */
276 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
277 extern int chatCount;
279 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
280 char lastMsg[MSG_SIZ];
281 ChessSquare pieceSweep = EmptySquare;
282 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
283 int promoDefaultAltered;
285 /* States for ics_getting_history */
287 #define H_REQUESTED 1
288 #define H_GOT_REQ_HEADER 2
289 #define H_GOT_UNREQ_HEADER 3
290 #define H_GETTING_MOVES 4
291 #define H_GOT_UNWANTED_HEADER 5
293 /* whosays values for GameEnds */
302 /* Maximum number of games in a cmail message */
303 #define CMAIL_MAX_GAMES 20
305 /* Different types of move when calling RegisterMove */
307 #define CMAIL_RESIGN 1
309 #define CMAIL_ACCEPT 3
311 /* Different types of result to remember for each game */
312 #define CMAIL_NOT_RESULT 0
313 #define CMAIL_OLD_RESULT 1
314 #define CMAIL_NEW_RESULT 2
316 /* Telnet protocol constants */
327 safeStrCpy( char *dst, const char *src, size_t count )
330 assert( dst != NULL );
331 assert( src != NULL );
334 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
335 if( i == count && dst[count-1] != NULLCHAR)
337 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
338 if(appData.debugMode)
339 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
345 /* Some compiler can't cast u64 to double
346 * This function do the job for us:
348 * We use the highest bit for cast, this only
349 * works if the highest bit is not
350 * in use (This should not happen)
352 * We used this for all compiler
355 u64ToDouble(u64 value)
358 u64 tmp = value & u64Const(0x7fffffffffffffff);
359 r = (double)(s64)tmp;
360 if (value & u64Const(0x8000000000000000))
361 r += 9.2233720368547758080e18; /* 2^63 */
365 /* Fake up flags for now, as we aren't keeping track of castling
366 availability yet. [HGM] Change of logic: the flag now only
367 indicates the type of castlings allowed by the rule of the game.
368 The actual rights themselves are maintained in the array
369 castlingRights, as part of the game history, and are not probed
375 int flags = F_ALL_CASTLE_OK;
376 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
377 switch (gameInfo.variant) {
379 flags &= ~F_ALL_CASTLE_OK;
380 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
381 flags |= F_IGNORE_CHECK;
383 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
386 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
388 case VariantKriegspiel:
389 flags |= F_KRIEGSPIEL_CAPTURE;
391 case VariantCapaRandom:
392 case VariantFischeRandom:
393 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
394 case VariantNoCastle:
395 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)
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 }
602 ChessSquare GothicArray[2][BOARD_FILES] = {
603 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
604 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
605 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
606 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
609 #define GothicArray CapablancaArray
613 ChessSquare FalconArray[2][BOARD_FILES] = {
614 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
615 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
616 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
617 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
620 #define FalconArray CapablancaArray
623 #else // !(BOARD_FILES>=10)
624 #define XiangqiPosition FIDEArray
625 #define CapablancaArray FIDEArray
626 #define GothicArray FIDEArray
627 #define GreatArray FIDEArray
628 #endif // !(BOARD_FILES>=10)
630 #if (BOARD_FILES>=12)
631 ChessSquare CourierArray[2][BOARD_FILES] = {
632 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
633 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
634 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
635 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
637 #else // !(BOARD_FILES>=12)
638 #define CourierArray CapablancaArray
639 #endif // !(BOARD_FILES>=12)
642 Board initialPosition;
645 /* Convert str to a rating. Checks for special cases of "----",
647 "++++", etc. Also strips ()'s */
649 string_to_rating(str)
652 while(*str && !isdigit(*str)) ++str;
654 return 0; /* One of the special "no rating" cases */
662 /* Init programStats */
663 programStats.movelist[0] = 0;
664 programStats.depth = 0;
665 programStats.nr_moves = 0;
666 programStats.moves_left = 0;
667 programStats.nodes = 0;
668 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
669 programStats.score = 0;
670 programStats.got_only_move = 0;
671 programStats.got_fail = 0;
672 programStats.line_is_book = 0;
677 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
678 if (appData.firstPlaysBlack) {
679 first.twoMachinesColor = "black\n";
680 second.twoMachinesColor = "white\n";
682 first.twoMachinesColor = "white\n";
683 second.twoMachinesColor = "black\n";
686 first.other = &second;
687 second.other = &first;
690 if(appData.timeOddsMode) {
691 norm = appData.timeOdds[0];
692 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
694 first.timeOdds = appData.timeOdds[0]/norm;
695 second.timeOdds = appData.timeOdds[1]/norm;
698 if(programVersion) free(programVersion);
699 if (appData.noChessProgram) {
700 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
701 sprintf(programVersion, "%s", PACKAGE_STRING);
703 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
704 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
705 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
710 UnloadEngine(ChessProgramState *cps)
712 /* Kill off first chess program */
713 if (cps->isr != NULL)
714 RemoveInputSource(cps->isr);
717 if (cps->pr != NoProc) {
719 DoSleep( appData.delayBeforeQuit );
720 SendToProgram("quit\n", cps);
721 DoSleep( appData.delayAfterQuit );
722 DestroyChildProcess(cps->pr, cps->useSigterm);
725 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
729 ClearOptions(ChessProgramState *cps)
732 cps->nrOptions = cps->comboCnt = 0;
733 for(i=0; i<MAX_OPTIONS; i++) {
734 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
735 cps->option[i].textValue = 0;
739 char *engineNames[] = {
745 InitEngine(ChessProgramState *cps, int n)
746 { // [HGM] all engine initialiation put in a function that does one engine
750 cps->which = engineNames[n];
751 cps->maybeThinking = FALSE;
755 cps->sendDrawOffers = 1;
757 cps->program = appData.chessProgram[n];
758 cps->host = appData.host[n];
759 cps->dir = appData.directory[n];
760 cps->initString = appData.engInitString[n];
761 cps->computerString = appData.computerString[n];
762 cps->useSigint = TRUE;
763 cps->useSigterm = TRUE;
764 cps->reuse = appData.reuse[n];
765 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
766 cps->useSetboard = FALSE;
768 cps->usePing = FALSE;
771 cps->usePlayother = FALSE;
772 cps->useColors = TRUE;
773 cps->useUsermove = FALSE;
774 cps->sendICS = FALSE;
775 cps->sendName = appData.icsActive;
776 cps->sdKludge = FALSE;
777 cps->stKludge = FALSE;
778 TidyProgramName(cps->program, cps->host, cps->tidy);
780 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
781 cps->analysisSupport = 2; /* detect */
782 cps->analyzing = FALSE;
783 cps->initDone = FALSE;
785 /* New features added by Tord: */
786 cps->useFEN960 = FALSE;
787 cps->useOOCastle = TRUE;
788 /* End of new features added by Tord. */
789 cps->fenOverride = appData.fenOverride[n];
791 /* [HGM] time odds: set factor for each machine */
792 cps->timeOdds = appData.timeOdds[n];
794 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
795 cps->accumulateTC = appData.accumulateTC[n];
796 cps->maxNrOfSessions = 1;
801 cps->supportsNPS = UNKNOWN;
802 cps->memSize = FALSE;
803 cps->maxCores = FALSE;
804 cps->egtFormats[0] = NULLCHAR;
807 cps->optionSettings = appData.engOptions[n];
809 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
810 cps->isUCI = appData.isUCI[n]; /* [AS] */
811 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
813 if (appData.protocolVersion[n] > PROTOVER
814 || appData.protocolVersion[n] < 1)
819 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
820 appData.protocolVersion[n]);
821 if( (len > MSG_SIZ) && appData.debugMode )
822 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
824 DisplayFatalError(buf, 0, 2);
828 cps->protocolVersion = appData.protocolVersion[n];
831 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
834 ChessProgramState *savCps;
840 if(WaitForEngine(savCps, LoadEngine)) return;
841 CommonEngineInit(); // recalculate time odds
842 if(gameInfo.variant != StringToVariant(appData.variant)) {
843 // we changed variant when loading the engine; this forces us to reset
844 Reset(TRUE, savCps != &first);
845 EditGameEvent(); // for consistency with other path, as Reset changes mode
847 InitChessProgram(savCps, FALSE);
848 SendToProgram("force\n", savCps);
849 DisplayMessage("", "");
850 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
851 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
857 ReplaceEngine(ChessProgramState *cps, int n)
861 appData.noChessProgram = FALSE;
862 appData.clockMode = TRUE;
864 if(n) return; // only startup first engine immediately; second can wait
865 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
869 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
870 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
872 static char resetOptions[] =
873 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
874 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
877 Load(ChessProgramState *cps, int i)
879 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
880 if(engineLine[0]) { // an engine was selected from the combo box
881 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
882 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
883 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
884 ParseArgsFromString(buf);
886 ReplaceEngine(cps, i);
890 while(q = strchr(p, SLASH)) p = q+1;
891 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
892 if(engineDir[0] != NULLCHAR)
893 appData.directory[i] = engineDir;
894 else if(p != engineName) { // derive directory from engine path, when not given
896 appData.directory[i] = strdup(engineName);
898 } else appData.directory[i] = ".";
899 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
901 snprintf(command, MSG_SIZ, "%s %s", p, params);
904 appData.chessProgram[i] = strdup(p);
905 appData.isUCI[i] = isUCI;
906 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
907 appData.hasOwnBookUCI[i] = hasBook;
908 if(!nickName[0]) useNick = FALSE;
909 if(useNick) ASSIGN(appData.pgnName[i], nickName);
913 q = firstChessProgramNames;
914 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
915 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
916 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
917 quote, p, quote, appData.directory[i],
918 useNick ? " -fn \"" : "",
919 useNick ? nickName : "",
921 v1 ? " -firstProtocolVersion 1" : "",
922 hasBook ? "" : " -fNoOwnBookUCI",
923 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
924 storeVariant ? " -variant " : "",
925 storeVariant ? VariantName(gameInfo.variant) : "");
926 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
927 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
930 ReplaceEngine(cps, i);
936 int matched, min, sec;
938 * Parse timeControl resource
940 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
941 appData.movesPerSession)) {
943 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
944 DisplayFatalError(buf, 0, 2);
948 * Parse searchTime resource
950 if (*appData.searchTime != NULLCHAR) {
951 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
953 searchTime = min * 60;
954 } else if (matched == 2) {
955 searchTime = min * 60 + sec;
958 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
959 DisplayFatalError(buf, 0, 2);
968 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
969 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
971 GetTimeMark(&programStartTime);
972 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
973 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
976 programStats.ok_to_send = 1;
977 programStats.seen_stat = 0;
980 * Initialize game list
986 * Internet chess server status
988 if (appData.icsActive) {
989 appData.matchMode = FALSE;
990 appData.matchGames = 0;
992 appData.noChessProgram = !appData.zippyPlay;
994 appData.zippyPlay = FALSE;
995 appData.zippyTalk = FALSE;
996 appData.noChessProgram = TRUE;
998 if (*appData.icsHelper != NULLCHAR) {
999 appData.useTelnet = TRUE;
1000 appData.telnetProgram = appData.icsHelper;
1003 appData.zippyTalk = appData.zippyPlay = FALSE;
1006 /* [AS] Initialize pv info list [HGM] and game state */
1010 for( i=0; i<=framePtr; i++ ) {
1011 pvInfoList[i].depth = -1;
1012 boards[i][EP_STATUS] = EP_NONE;
1013 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1019 /* [AS] Adjudication threshold */
1020 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1022 InitEngine(&first, 0);
1023 InitEngine(&second, 1);
1026 pairing.which = "pairing"; // pairing engine
1027 pairing.pr = NoProc;
1029 pairing.program = appData.pairingEngine;
1030 pairing.host = "localhost";
1033 if (appData.icsActive) {
1034 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1035 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1036 appData.clockMode = FALSE;
1037 first.sendTime = second.sendTime = 0;
1041 /* Override some settings from environment variables, for backward
1042 compatibility. Unfortunately it's not feasible to have the env
1043 vars just set defaults, at least in xboard. Ugh.
1045 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1050 if (!appData.icsActive) {
1054 /* Check for variants that are supported only in ICS mode,
1055 or not at all. Some that are accepted here nevertheless
1056 have bugs; see comments below.
1058 VariantClass variant = StringToVariant(appData.variant);
1060 case VariantBughouse: /* need four players and two boards */
1061 case VariantKriegspiel: /* need to hide pieces and move details */
1062 /* case VariantFischeRandom: (Fabien: moved below) */
1063 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1064 if( (len > MSG_SIZ) && appData.debugMode )
1065 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1067 DisplayFatalError(buf, 0, 2);
1070 case VariantUnknown:
1071 case VariantLoadable:
1081 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1082 if( (len > MSG_SIZ) && appData.debugMode )
1083 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1085 DisplayFatalError(buf, 0, 2);
1088 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1089 case VariantFairy: /* [HGM] TestLegality definitely off! */
1090 case VariantGothic: /* [HGM] should work */
1091 case VariantCapablanca: /* [HGM] should work */
1092 case VariantCourier: /* [HGM] initial forced moves not implemented */
1093 case VariantShogi: /* [HGM] could still mate with pawn drop */
1094 case VariantKnightmate: /* [HGM] should work */
1095 case VariantCylinder: /* [HGM] untested */
1096 case VariantFalcon: /* [HGM] untested */
1097 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1098 offboard interposition not understood */
1099 case VariantNormal: /* definitely works! */
1100 case VariantWildCastle: /* pieces not automatically shuffled */
1101 case VariantNoCastle: /* pieces not automatically shuffled */
1102 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1103 case VariantLosers: /* should work except for win condition,
1104 and doesn't know captures are mandatory */
1105 case VariantSuicide: /* should work except for win condition,
1106 and doesn't know captures are mandatory */
1107 case VariantGiveaway: /* should work except for win condition,
1108 and doesn't know captures are mandatory */
1109 case VariantTwoKings: /* should work */
1110 case VariantAtomic: /* should work except for win condition */
1111 case Variant3Check: /* should work except for win condition */
1112 case VariantShatranj: /* should work except for all win conditions */
1113 case VariantMakruk: /* should work except for daw countdown */
1114 case VariantBerolina: /* might work if TestLegality is off */
1115 case VariantCapaRandom: /* should work */
1116 case VariantJanus: /* should work */
1117 case VariantSuper: /* experimental */
1118 case VariantGreat: /* experimental, requires legality testing to be off */
1119 case VariantSChess: /* S-Chess, should work */
1120 case VariantSpartan: /* should work */
1127 int NextIntegerFromString( char ** str, long * value )
1132 while( *s == ' ' || *s == '\t' ) {
1138 if( *s >= '0' && *s <= '9' ) {
1139 while( *s >= '0' && *s <= '9' ) {
1140 *value = *value * 10 + (*s - '0');
1152 int NextTimeControlFromString( char ** str, long * value )
1155 int result = NextIntegerFromString( str, &temp );
1158 *value = temp * 60; /* Minutes */
1159 if( **str == ':' ) {
1161 result = NextIntegerFromString( str, &temp );
1162 *value += temp; /* Seconds */
1169 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1170 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1171 int result = -1, type = 0; long temp, temp2;
1173 if(**str != ':') return -1; // old params remain in force!
1175 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1176 if( NextIntegerFromString( str, &temp ) ) return -1;
1177 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1180 /* time only: incremental or sudden-death time control */
1181 if(**str == '+') { /* increment follows; read it */
1183 if(**str == '!') type = *(*str)++; // Bronstein TC
1184 if(result = NextIntegerFromString( str, &temp2)) return -1;
1185 *inc = temp2 * 1000;
1186 if(**str == '.') { // read fraction of increment
1187 char *start = ++(*str);
1188 if(result = NextIntegerFromString( str, &temp2)) return -1;
1190 while(start++ < *str) temp2 /= 10;
1194 *moves = 0; *tc = temp * 1000; *incType = type;
1198 (*str)++; /* classical time control */
1199 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1210 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1211 { /* [HGM] get time to add from the multi-session time-control string */
1212 int incType, moves=1; /* kludge to force reading of first session */
1213 long time, increment;
1216 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1217 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1219 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1220 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1221 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1222 if(movenr == -1) return time; /* last move before new session */
1223 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1224 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1225 if(!moves) return increment; /* current session is incremental */
1226 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1227 } while(movenr >= -1); /* try again for next session */
1229 return 0; // no new time quota on this move
1233 ParseTimeControl(tc, ti, mps)
1240 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1243 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1244 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1245 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1249 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1251 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1254 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1256 snprintf(buf, MSG_SIZ, ":%s", mytc);
1258 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1260 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1265 /* Parse second time control */
1268 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1276 timeControl_2 = tc2 * 1000;
1286 timeControl = tc1 * 1000;
1289 timeIncrement = ti * 1000; /* convert to ms */
1290 movesPerSession = 0;
1293 movesPerSession = mps;
1301 if (appData.debugMode) {
1302 fprintf(debugFP, "%s\n", programVersion);
1305 set_cont_sequence(appData.wrapContSeq);
1306 if (appData.matchGames > 0) {
1307 appData.matchMode = TRUE;
1308 } else if (appData.matchMode) {
1309 appData.matchGames = 1;
1311 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1312 appData.matchGames = appData.sameColorGames;
1313 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1314 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1315 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1318 if (appData.noChessProgram || first.protocolVersion == 1) {
1321 /* kludge: allow timeout for initial "feature" commands */
1323 DisplayMessage("", _("Starting chess program"));
1324 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1329 CalculateIndex(int index, int gameNr)
1330 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1332 if(index > 0) return index; // fixed nmber
1333 if(index == 0) return 1;
1334 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1335 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1340 LoadGameOrPosition(int gameNr)
1341 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1342 if (*appData.loadGameFile != NULLCHAR) {
1343 if (!LoadGameFromFile(appData.loadGameFile,
1344 CalculateIndex(appData.loadGameIndex, gameNr),
1345 appData.loadGameFile, FALSE)) {
1346 DisplayFatalError(_("Bad game file"), 0, 1);
1349 } else if (*appData.loadPositionFile != NULLCHAR) {
1350 if (!LoadPositionFromFile(appData.loadPositionFile,
1351 CalculateIndex(appData.loadPositionIndex, gameNr),
1352 appData.loadPositionFile)) {
1353 DisplayFatalError(_("Bad position file"), 0, 1);
1361 ReserveGame(int gameNr, char resChar)
1363 FILE *tf = fopen(appData.tourneyFile, "r+");
1364 char *p, *q, c, buf[MSG_SIZ];
1365 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1366 safeStrCpy(buf, lastMsg, MSG_SIZ);
1367 DisplayMessage(_("Pick new game"), "");
1368 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1369 ParseArgsFromFile(tf);
1370 p = q = appData.results;
1371 if(appData.debugMode) {
1372 char *r = appData.participants;
1373 fprintf(debugFP, "results = '%s'\n", p);
1374 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1375 fprintf(debugFP, "\n");
1377 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1379 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1380 safeStrCpy(q, p, strlen(p) + 2);
1381 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1382 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1383 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1384 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1387 fseek(tf, -(strlen(p)+4), SEEK_END);
1389 if(c != '"') // depending on DOS or Unix line endings we can be one off
1390 fseek(tf, -(strlen(p)+2), SEEK_END);
1391 else fseek(tf, -(strlen(p)+3), SEEK_END);
1392 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1393 DisplayMessage(buf, "");
1394 free(p); appData.results = q;
1395 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1396 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1397 UnloadEngine(&first); // next game belongs to other pairing;
1398 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1403 MatchEvent(int mode)
1404 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1406 if(matchMode) { // already in match mode: switch it off
1408 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1411 // if(gameMode != BeginningOfGame) {
1412 // DisplayError(_("You can only start a match from the initial position."), 0);
1416 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1417 /* Set up machine vs. machine match */
1419 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1420 if(appData.tourneyFile[0]) {
1422 if(nextGame > appData.matchGames) {
1424 if(strchr(appData.results, '*') == NULL) {
1426 appData.tourneyCycles++;
1427 if(f = WriteTourneyFile(appData.results)) { // make a tourney file with increased number of cycles
1429 NextTourneyGame(-1, &dummy);
1431 if(nextGame <= appData.matchGames) {
1432 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1434 ScheduleDelayedEvent(NextMatchGame, 10000);
1439 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1440 DisplayError(buf, 0);
1441 appData.tourneyFile[0] = 0;
1445 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1446 DisplayFatalError(_("Can't have a match with no chess programs"),
1451 matchGame = roundNr = 1;
1452 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
\r
1457 InitBackEnd3 P((void))
1459 GameMode initialMode;
1463 InitChessProgram(&first, startedFromSetupPosition);
1465 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1466 free(programVersion);
1467 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1468 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1471 if (appData.icsActive) {
1473 /* [DM] Make a console window if needed [HGM] merged ifs */
1479 if (*appData.icsCommPort != NULLCHAR)
1480 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1481 appData.icsCommPort);
1483 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1484 appData.icsHost, appData.icsPort);
1486 if( (len > MSG_SIZ) && appData.debugMode )
1487 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1489 DisplayFatalError(buf, err, 1);
1494 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1496 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1497 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1498 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1499 } else if (appData.noChessProgram) {
1505 if (*appData.cmailGameName != NULLCHAR) {
1507 OpenLoopback(&cmailPR);
1509 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1513 DisplayMessage("", "");
1514 if (StrCaseCmp(appData.initialMode, "") == 0) {
1515 initialMode = BeginningOfGame;
1516 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1517 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1518 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1519 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1522 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1523 initialMode = TwoMachinesPlay;
1524 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1525 initialMode = AnalyzeFile;
1526 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1527 initialMode = AnalyzeMode;
1528 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1529 initialMode = MachinePlaysWhite;
1530 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1531 initialMode = MachinePlaysBlack;
1532 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1533 initialMode = EditGame;
1534 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1535 initialMode = EditPosition;
1536 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1537 initialMode = Training;
1539 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1540 if( (len > MSG_SIZ) && appData.debugMode )
1541 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1543 DisplayFatalError(buf, 0, 2);
1547 if (appData.matchMode) {
1548 if(appData.tourneyFile[0]) { // start tourney from command line
1550 if(f = fopen(appData.tourneyFile, "r")) {
1551 ParseArgsFromFile(f); // make sure tourney parmeters re known
1553 appData.clockMode = TRUE;
1555 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1558 } else if (*appData.cmailGameName != NULLCHAR) {
1559 /* Set up cmail mode */
1560 ReloadCmailMsgEvent(TRUE);
1562 /* Set up other modes */
1563 if (initialMode == AnalyzeFile) {
1564 if (*appData.loadGameFile == NULLCHAR) {
1565 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1569 if (*appData.loadGameFile != NULLCHAR) {
1570 (void) LoadGameFromFile(appData.loadGameFile,
1571 appData.loadGameIndex,
1572 appData.loadGameFile, TRUE);
1573 } else if (*appData.loadPositionFile != NULLCHAR) {
1574 (void) LoadPositionFromFile(appData.loadPositionFile,
1575 appData.loadPositionIndex,
1576 appData.loadPositionFile);
1577 /* [HGM] try to make self-starting even after FEN load */
1578 /* to allow automatic setup of fairy variants with wtm */
1579 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1580 gameMode = BeginningOfGame;
1581 setboardSpoiledMachineBlack = 1;
1583 /* [HGM] loadPos: make that every new game uses the setup */
1584 /* from file as long as we do not switch variant */
1585 if(!blackPlaysFirst) {
1586 startedFromPositionFile = TRUE;
1587 CopyBoard(filePosition, boards[0]);
1590 if (initialMode == AnalyzeMode) {
1591 if (appData.noChessProgram) {
1592 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1595 if (appData.icsActive) {
1596 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1600 } else if (initialMode == AnalyzeFile) {
1601 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1602 ShowThinkingEvent();
1604 AnalysisPeriodicEvent(1);
1605 } else if (initialMode == MachinePlaysWhite) {
1606 if (appData.noChessProgram) {
1607 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1611 if (appData.icsActive) {
1612 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1616 MachineWhiteEvent();
1617 } else if (initialMode == MachinePlaysBlack) {
1618 if (appData.noChessProgram) {
1619 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1623 if (appData.icsActive) {
1624 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1628 MachineBlackEvent();
1629 } else if (initialMode == TwoMachinesPlay) {
1630 if (appData.noChessProgram) {
1631 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1635 if (appData.icsActive) {
1636 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1641 } else if (initialMode == EditGame) {
1643 } else if (initialMode == EditPosition) {
1644 EditPositionEvent();
1645 } else if (initialMode == Training) {
1646 if (*appData.loadGameFile == NULLCHAR) {
1647 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1656 * Establish will establish a contact to a remote host.port.
1657 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1658 * used to talk to the host.
1659 * Returns 0 if okay, error code if not.
1666 if (*appData.icsCommPort != NULLCHAR) {
1667 /* Talk to the host through a serial comm port */
1668 return OpenCommPort(appData.icsCommPort, &icsPR);
1670 } else if (*appData.gateway != NULLCHAR) {
1671 if (*appData.remoteShell == NULLCHAR) {
1672 /* Use the rcmd protocol to run telnet program on a gateway host */
1673 snprintf(buf, sizeof(buf), "%s %s %s",
1674 appData.telnetProgram, appData.icsHost, appData.icsPort);
1675 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1678 /* Use the rsh program to run telnet program on a gateway host */
1679 if (*appData.remoteUser == NULLCHAR) {
1680 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1681 appData.gateway, appData.telnetProgram,
1682 appData.icsHost, appData.icsPort);
1684 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1685 appData.remoteShell, appData.gateway,
1686 appData.remoteUser, appData.telnetProgram,
1687 appData.icsHost, appData.icsPort);
1689 return StartChildProcess(buf, "", &icsPR);
1692 } else if (appData.useTelnet) {
1693 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1696 /* TCP socket interface differs somewhat between
1697 Unix and NT; handle details in the front end.
1699 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1703 void EscapeExpand(char *p, char *q)
1704 { // [HGM] initstring: routine to shape up string arguments
1705 while(*p++ = *q++) if(p[-1] == '\\')
1707 case 'n': p[-1] = '\n'; break;
1708 case 'r': p[-1] = '\r'; break;
1709 case 't': p[-1] = '\t'; break;
1710 case '\\': p[-1] = '\\'; break;
1711 case 0: *p = 0; return;
1712 default: p[-1] = q[-1]; break;
1717 show_bytes(fp, buf, count)
1723 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1724 fprintf(fp, "\\%03o", *buf & 0xff);
1733 /* Returns an errno value */
1735 OutputMaybeTelnet(pr, message, count, outError)
1741 char buf[8192], *p, *q, *buflim;
1742 int left, newcount, outcount;
1744 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1745 *appData.gateway != NULLCHAR) {
1746 if (appData.debugMode) {
1747 fprintf(debugFP, ">ICS: ");
1748 show_bytes(debugFP, message, count);
1749 fprintf(debugFP, "\n");
1751 return OutputToProcess(pr, message, count, outError);
1754 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1761 if (appData.debugMode) {
1762 fprintf(debugFP, ">ICS: ");
1763 show_bytes(debugFP, buf, newcount);
1764 fprintf(debugFP, "\n");
1766 outcount = OutputToProcess(pr, buf, newcount, outError);
1767 if (outcount < newcount) return -1; /* to be sure */
1774 } else if (((unsigned char) *p) == TN_IAC) {
1775 *q++ = (char) TN_IAC;
1782 if (appData.debugMode) {
1783 fprintf(debugFP, ">ICS: ");
1784 show_bytes(debugFP, buf, newcount);
1785 fprintf(debugFP, "\n");
1787 outcount = OutputToProcess(pr, buf, newcount, outError);
1788 if (outcount < newcount) return -1; /* to be sure */
1793 read_from_player(isr, closure, message, count, error)
1800 int outError, outCount;
1801 static int gotEof = 0;
1803 /* Pass data read from player on to ICS */
1806 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1807 if (outCount < count) {
1808 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1810 } else if (count < 0) {
1811 RemoveInputSource(isr);
1812 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1813 } else if (gotEof++ > 0) {
1814 RemoveInputSource(isr);
1815 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1821 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1822 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1823 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1824 SendToICS("date\n");
1825 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1828 /* added routine for printf style output to ics */
1829 void ics_printf(char *format, ...)
1831 char buffer[MSG_SIZ];
1834 va_start(args, format);
1835 vsnprintf(buffer, sizeof(buffer), format, args);
1836 buffer[sizeof(buffer)-1] = '\0';
1845 int count, outCount, outError;
1847 if (icsPR == NULL) return;
1850 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1851 if (outCount < count) {
1852 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1856 /* This is used for sending logon scripts to the ICS. Sending
1857 without a delay causes problems when using timestamp on ICC
1858 (at least on my machine). */
1860 SendToICSDelayed(s,msdelay)
1864 int count, outCount, outError;
1866 if (icsPR == NULL) return;
1869 if (appData.debugMode) {
1870 fprintf(debugFP, ">ICS: ");
1871 show_bytes(debugFP, s, count);
1872 fprintf(debugFP, "\n");
1874 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1876 if (outCount < count) {
1877 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1882 /* Remove all highlighting escape sequences in s
1883 Also deletes any suffix starting with '('
1886 StripHighlightAndTitle(s)
1889 static char retbuf[MSG_SIZ];
1892 while (*s != NULLCHAR) {
1893 while (*s == '\033') {
1894 while (*s != NULLCHAR && !isalpha(*s)) s++;
1895 if (*s != NULLCHAR) s++;
1897 while (*s != NULLCHAR && *s != '\033') {
1898 if (*s == '(' || *s == '[') {
1909 /* Remove all highlighting escape sequences in s */
1914 static char retbuf[MSG_SIZ];
1917 while (*s != NULLCHAR) {
1918 while (*s == '\033') {
1919 while (*s != NULLCHAR && !isalpha(*s)) s++;
1920 if (*s != NULLCHAR) s++;
1922 while (*s != NULLCHAR && *s != '\033') {
1930 char *variantNames[] = VARIANT_NAMES;
1935 return variantNames[v];
1939 /* Identify a variant from the strings the chess servers use or the
1940 PGN Variant tag names we use. */
1947 VariantClass v = VariantNormal;
1948 int i, found = FALSE;
1954 /* [HGM] skip over optional board-size prefixes */
1955 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1956 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1957 while( *e++ != '_');
1960 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1964 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1965 if (StrCaseStr(e, variantNames[i])) {
1966 v = (VariantClass) i;
1973 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1974 || StrCaseStr(e, "wild/fr")
1975 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1976 v = VariantFischeRandom;
1977 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1978 (i = 1, p = StrCaseStr(e, "w"))) {
1980 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1987 case 0: /* FICS only, actually */
1989 /* Castling legal even if K starts on d-file */
1990 v = VariantWildCastle;
1995 /* Castling illegal even if K & R happen to start in
1996 normal positions. */
1997 v = VariantNoCastle;
2010 /* Castling legal iff K & R start in normal positions */
2016 /* Special wilds for position setup; unclear what to do here */
2017 v = VariantLoadable;
2020 /* Bizarre ICC game */
2021 v = VariantTwoKings;
2024 v = VariantKriegspiel;
2030 v = VariantFischeRandom;
2033 v = VariantCrazyhouse;
2036 v = VariantBughouse;
2042 /* Not quite the same as FICS suicide! */
2043 v = VariantGiveaway;
2049 v = VariantShatranj;
2052 /* Temporary names for future ICC types. The name *will* change in
2053 the next xboard/WinBoard release after ICC defines it. */
2091 v = VariantCapablanca;
2094 v = VariantKnightmate;
2100 v = VariantCylinder;
2106 v = VariantCapaRandom;
2109 v = VariantBerolina;
2121 /* Found "wild" or "w" in the string but no number;
2122 must assume it's normal chess. */
2126 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2127 if( (len > MSG_SIZ) && appData.debugMode )
2128 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2130 DisplayError(buf, 0);
2136 if (appData.debugMode) {
2137 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2138 e, wnum, VariantName(v));
2143 static int leftover_start = 0, leftover_len = 0;
2144 char star_match[STAR_MATCH_N][MSG_SIZ];
2146 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2147 advance *index beyond it, and set leftover_start to the new value of
2148 *index; else return FALSE. If pattern contains the character '*', it
2149 matches any sequence of characters not containing '\r', '\n', or the
2150 character following the '*' (if any), and the matched sequence(s) are
2151 copied into star_match.
2154 looking_at(buf, index, pattern)
2159 char *bufp = &buf[*index], *patternp = pattern;
2161 char *matchp = star_match[0];
2164 if (*patternp == NULLCHAR) {
2165 *index = leftover_start = bufp - buf;
2169 if (*bufp == NULLCHAR) return FALSE;
2170 if (*patternp == '*') {
2171 if (*bufp == *(patternp + 1)) {
2173 matchp = star_match[++star_count];
2177 } else if (*bufp == '\n' || *bufp == '\r') {
2179 if (*patternp == NULLCHAR)
2184 *matchp++ = *bufp++;
2188 if (*patternp != *bufp) return FALSE;
2195 SendToPlayer(data, length)
2199 int error, outCount;
2200 outCount = OutputToProcess(NoProc, data, length, &error);
2201 if (outCount < length) {
2202 DisplayFatalError(_("Error writing to display"), error, 1);
2207 PackHolding(packed, holding)
2219 switch (runlength) {
2230 sprintf(q, "%d", runlength);
2242 /* Telnet protocol requests from the front end */
2244 TelnetRequest(ddww, option)
2245 unsigned char ddww, option;
2247 unsigned char msg[3];
2248 int outCount, outError;
2250 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2252 if (appData.debugMode) {
2253 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2269 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2278 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2281 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2286 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2288 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2295 if (!appData.icsActive) return;
2296 TelnetRequest(TN_DO, TN_ECHO);
2302 if (!appData.icsActive) return;
2303 TelnetRequest(TN_DONT, TN_ECHO);
2307 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2309 /* put the holdings sent to us by the server on the board holdings area */
2310 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2314 if(gameInfo.holdingsWidth < 2) return;
2315 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2316 return; // prevent overwriting by pre-board holdings
2318 if( (int)lowestPiece >= BlackPawn ) {
2321 holdingsStartRow = BOARD_HEIGHT-1;
2324 holdingsColumn = BOARD_WIDTH-1;
2325 countsColumn = BOARD_WIDTH-2;
2326 holdingsStartRow = 0;
2330 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2331 board[i][holdingsColumn] = EmptySquare;
2332 board[i][countsColumn] = (ChessSquare) 0;
2334 while( (p=*holdings++) != NULLCHAR ) {
2335 piece = CharToPiece( ToUpper(p) );
2336 if(piece == EmptySquare) continue;
2337 /*j = (int) piece - (int) WhitePawn;*/
2338 j = PieceToNumber(piece);
2339 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2340 if(j < 0) continue; /* should not happen */
2341 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2342 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2343 board[holdingsStartRow+j*direction][countsColumn]++;
2349 VariantSwitch(Board board, VariantClass newVariant)
2351 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2352 static Board oldBoard;
2354 startedFromPositionFile = FALSE;
2355 if(gameInfo.variant == newVariant) return;
2357 /* [HGM] This routine is called each time an assignment is made to
2358 * gameInfo.variant during a game, to make sure the board sizes
2359 * are set to match the new variant. If that means adding or deleting
2360 * holdings, we shift the playing board accordingly
2361 * This kludge is needed because in ICS observe mode, we get boards
2362 * of an ongoing game without knowing the variant, and learn about the
2363 * latter only later. This can be because of the move list we requested,
2364 * in which case the game history is refilled from the beginning anyway,
2365 * but also when receiving holdings of a crazyhouse game. In the latter
2366 * case we want to add those holdings to the already received position.
2370 if (appData.debugMode) {
2371 fprintf(debugFP, "Switch board from %s to %s\n",
2372 VariantName(gameInfo.variant), VariantName(newVariant));
2373 setbuf(debugFP, NULL);
2375 shuffleOpenings = 0; /* [HGM] shuffle */
2376 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2380 newWidth = 9; newHeight = 9;
2381 gameInfo.holdingsSize = 7;
2382 case VariantBughouse:
2383 case VariantCrazyhouse:
2384 newHoldingsWidth = 2; break;
2388 newHoldingsWidth = 2;
2389 gameInfo.holdingsSize = 8;
2392 case VariantCapablanca:
2393 case VariantCapaRandom:
2396 newHoldingsWidth = gameInfo.holdingsSize = 0;
2399 if(newWidth != gameInfo.boardWidth ||
2400 newHeight != gameInfo.boardHeight ||
2401 newHoldingsWidth != gameInfo.holdingsWidth ) {
2403 /* shift position to new playing area, if needed */
2404 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2405 for(i=0; i<BOARD_HEIGHT; i++)
2406 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2407 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2409 for(i=0; i<newHeight; i++) {
2410 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2411 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2413 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2414 for(i=0; i<BOARD_HEIGHT; i++)
2415 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2416 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2419 gameInfo.boardWidth = newWidth;
2420 gameInfo.boardHeight = newHeight;
2421 gameInfo.holdingsWidth = newHoldingsWidth;
2422 gameInfo.variant = newVariant;
2423 InitDrawingSizes(-2, 0);
2424 } else gameInfo.variant = newVariant;
2425 CopyBoard(oldBoard, board); // remember correctly formatted board
2426 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2427 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2430 static int loggedOn = FALSE;
2432 /*-- Game start info cache: --*/
2434 char gs_kind[MSG_SIZ];
2435 static char player1Name[128] = "";
2436 static char player2Name[128] = "";
2437 static char cont_seq[] = "\n\\ ";
2438 static int player1Rating = -1;
2439 static int player2Rating = -1;
2440 /*----------------------------*/
2442 ColorClass curColor = ColorNormal;
2443 int suppressKibitz = 0;
2446 Boolean soughtPending = FALSE;
2447 Boolean seekGraphUp;
2448 #define MAX_SEEK_ADS 200
2450 char *seekAdList[MAX_SEEK_ADS];
2451 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2452 float tcList[MAX_SEEK_ADS];
2453 char colorList[MAX_SEEK_ADS];
2454 int nrOfSeekAds = 0;
2455 int minRating = 1010, maxRating = 2800;
2456 int hMargin = 10, vMargin = 20, h, w;
2457 extern int squareSize, lineGap;
2462 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2463 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2464 if(r < minRating+100 && r >=0 ) r = minRating+100;
2465 if(r > maxRating) r = maxRating;
2466 if(tc < 1.) tc = 1.;
2467 if(tc > 95.) tc = 95.;
2468 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2469 y = ((double)r - minRating)/(maxRating - minRating)
2470 * (h-vMargin-squareSize/8-1) + vMargin;
2471 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2472 if(strstr(seekAdList[i], " u ")) color = 1;
2473 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2474 !strstr(seekAdList[i], "bullet") &&
2475 !strstr(seekAdList[i], "blitz") &&
2476 !strstr(seekAdList[i], "standard") ) color = 2;
2477 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2478 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2482 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2484 char buf[MSG_SIZ], *ext = "";
2485 VariantClass v = StringToVariant(type);
2486 if(strstr(type, "wild")) {
2487 ext = type + 4; // append wild number
2488 if(v == VariantFischeRandom) type = "chess960"; else
2489 if(v == VariantLoadable) type = "setup"; else
2490 type = VariantName(v);
2492 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2493 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2494 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2495 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2496 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2497 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2498 seekNrList[nrOfSeekAds] = nr;
2499 zList[nrOfSeekAds] = 0;
2500 seekAdList[nrOfSeekAds++] = StrSave(buf);
2501 if(plot) PlotSeekAd(nrOfSeekAds-1);
2508 int x = xList[i], y = yList[i], d=squareSize/4, k;
2509 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2510 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2511 // now replot every dot that overlapped
2512 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2513 int xx = xList[k], yy = yList[k];
2514 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2515 DrawSeekDot(xx, yy, colorList[k]);
2520 RemoveSeekAd(int nr)
2523 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2525 if(seekAdList[i]) free(seekAdList[i]);
2526 seekAdList[i] = seekAdList[--nrOfSeekAds];
2527 seekNrList[i] = seekNrList[nrOfSeekAds];
2528 ratingList[i] = ratingList[nrOfSeekAds];
2529 colorList[i] = colorList[nrOfSeekAds];
2530 tcList[i] = tcList[nrOfSeekAds];
2531 xList[i] = xList[nrOfSeekAds];
2532 yList[i] = yList[nrOfSeekAds];
2533 zList[i] = zList[nrOfSeekAds];
2534 seekAdList[nrOfSeekAds] = NULL;
2540 MatchSoughtLine(char *line)
2542 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2543 int nr, base, inc, u=0; char dummy;
2545 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2546 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2548 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2549 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2550 // match: compact and save the line
2551 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2561 if(!seekGraphUp) return FALSE;
2562 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2563 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2565 DrawSeekBackground(0, 0, w, h);
2566 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2567 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2568 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2569 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2571 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2574 snprintf(buf, MSG_SIZ, "%d", i);
2575 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2578 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2579 for(i=1; i<100; i+=(i<10?1:5)) {
2580 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2581 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2582 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2584 snprintf(buf, MSG_SIZ, "%d", i);
2585 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2588 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2592 int SeekGraphClick(ClickType click, int x, int y, int moving)
2594 static int lastDown = 0, displayed = 0, lastSecond;
2595 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2596 if(click == Release || moving) return FALSE;
2598 soughtPending = TRUE;
2599 SendToICS(ics_prefix);
2600 SendToICS("sought\n"); // should this be "sought all"?
2601 } else { // issue challenge based on clicked ad
2602 int dist = 10000; int i, closest = 0, second = 0;
2603 for(i=0; i<nrOfSeekAds; i++) {
2604 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2605 if(d < dist) { dist = d; closest = i; }
2606 second += (d - zList[i] < 120); // count in-range ads
2607 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2611 second = (second > 1);
2612 if(displayed != closest || second != lastSecond) {
2613 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2614 lastSecond = second; displayed = closest;
2616 if(click == Press) {
2617 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2620 } // on press 'hit', only show info
2621 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2622 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2623 SendToICS(ics_prefix);
2625 return TRUE; // let incoming board of started game pop down the graph
2626 } else if(click == Release) { // release 'miss' is ignored
2627 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2628 if(moving == 2) { // right up-click
2629 nrOfSeekAds = 0; // refresh graph
2630 soughtPending = TRUE;
2631 SendToICS(ics_prefix);
2632 SendToICS("sought\n"); // should this be "sought all"?
2635 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2636 // press miss or release hit 'pop down' seek graph
2637 seekGraphUp = FALSE;
2638 DrawPosition(TRUE, NULL);
2644 read_from_ics(isr, closure, data, count, error)
2651 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2652 #define STARTED_NONE 0
2653 #define STARTED_MOVES 1
2654 #define STARTED_BOARD 2
2655 #define STARTED_OBSERVE 3
2656 #define STARTED_HOLDINGS 4
2657 #define STARTED_CHATTER 5
2658 #define STARTED_COMMENT 6
2659 #define STARTED_MOVES_NOHIDE 7
2661 static int started = STARTED_NONE;
2662 static char parse[20000];
2663 static int parse_pos = 0;
2664 static char buf[BUF_SIZE + 1];
2665 static int firstTime = TRUE, intfSet = FALSE;
2666 static ColorClass prevColor = ColorNormal;
2667 static int savingComment = FALSE;
2668 static int cmatch = 0; // continuation sequence match
2675 int backup; /* [DM] For zippy color lines */
2677 char talker[MSG_SIZ]; // [HGM] chat
2680 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2682 if (appData.debugMode) {
2684 fprintf(debugFP, "<ICS: ");
2685 show_bytes(debugFP, data, count);
2686 fprintf(debugFP, "\n");
2690 if (appData.debugMode) { int f = forwardMostMove;
2691 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2692 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2693 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2696 /* If last read ended with a partial line that we couldn't parse,
2697 prepend it to the new read and try again. */
2698 if (leftover_len > 0) {
2699 for (i=0; i<leftover_len; i++)
2700 buf[i] = buf[leftover_start + i];
2703 /* copy new characters into the buffer */
2704 bp = buf + leftover_len;
2705 buf_len=leftover_len;
2706 for (i=0; i<count; i++)
2709 if (data[i] == '\r')
2712 // join lines split by ICS?
2713 if (!appData.noJoin)
2716 Joining just consists of finding matches against the
2717 continuation sequence, and discarding that sequence
2718 if found instead of copying it. So, until a match
2719 fails, there's nothing to do since it might be the
2720 complete sequence, and thus, something we don't want
2723 if (data[i] == cont_seq[cmatch])
2726 if (cmatch == strlen(cont_seq))
2728 cmatch = 0; // complete match. just reset the counter
2731 it's possible for the ICS to not include the space
2732 at the end of the last word, making our [correct]
2733 join operation fuse two separate words. the server
2734 does this when the space occurs at the width setting.
2736 if (!buf_len || buf[buf_len-1] != ' ')
2747 match failed, so we have to copy what matched before
2748 falling through and copying this character. In reality,
2749 this will only ever be just the newline character, but
2750 it doesn't hurt to be precise.
2752 strncpy(bp, cont_seq, cmatch);
2764 buf[buf_len] = NULLCHAR;
2765 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2770 while (i < buf_len) {
2771 /* Deal with part of the TELNET option negotiation
2772 protocol. We refuse to do anything beyond the
2773 defaults, except that we allow the WILL ECHO option,
2774 which ICS uses to turn off password echoing when we are
2775 directly connected to it. We reject this option
2776 if localLineEditing mode is on (always on in xboard)
2777 and we are talking to port 23, which might be a real
2778 telnet server that will try to keep WILL ECHO on permanently.
2780 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2781 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2782 unsigned char option;
2784 switch ((unsigned char) buf[++i]) {
2786 if (appData.debugMode)
2787 fprintf(debugFP, "\n<WILL ");
2788 switch (option = (unsigned char) buf[++i]) {
2790 if (appData.debugMode)
2791 fprintf(debugFP, "ECHO ");
2792 /* Reply only if this is a change, according
2793 to the protocol rules. */
2794 if (remoteEchoOption) break;
2795 if (appData.localLineEditing &&
2796 atoi(appData.icsPort) == TN_PORT) {
2797 TelnetRequest(TN_DONT, TN_ECHO);
2800 TelnetRequest(TN_DO, TN_ECHO);
2801 remoteEchoOption = TRUE;
2805 if (appData.debugMode)
2806 fprintf(debugFP, "%d ", option);
2807 /* Whatever this is, we don't want it. */
2808 TelnetRequest(TN_DONT, option);
2813 if (appData.debugMode)
2814 fprintf(debugFP, "\n<WONT ");
2815 switch (option = (unsigned char) buf[++i]) {
2817 if (appData.debugMode)
2818 fprintf(debugFP, "ECHO ");
2819 /* Reply only if this is a change, according
2820 to the protocol rules. */
2821 if (!remoteEchoOption) break;
2823 TelnetRequest(TN_DONT, TN_ECHO);
2824 remoteEchoOption = FALSE;
2827 if (appData.debugMode)
2828 fprintf(debugFP, "%d ", (unsigned char) option);
2829 /* Whatever this is, it must already be turned
2830 off, because we never agree to turn on
2831 anything non-default, so according to the
2832 protocol rules, we don't reply. */
2837 if (appData.debugMode)
2838 fprintf(debugFP, "\n<DO ");
2839 switch (option = (unsigned char) buf[++i]) {
2841 /* Whatever this is, we refuse to do it. */
2842 if (appData.debugMode)
2843 fprintf(debugFP, "%d ", option);
2844 TelnetRequest(TN_WONT, option);
2849 if (appData.debugMode)
2850 fprintf(debugFP, "\n<DONT ");
2851 switch (option = (unsigned char) buf[++i]) {
2853 if (appData.debugMode)
2854 fprintf(debugFP, "%d ", option);
2855 /* Whatever this is, we are already not doing
2856 it, because we never agree to do anything
2857 non-default, so according to the protocol
2858 rules, we don't reply. */
2863 if (appData.debugMode)
2864 fprintf(debugFP, "\n<IAC ");
2865 /* Doubled IAC; pass it through */
2869 if (appData.debugMode)
2870 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2871 /* Drop all other telnet commands on the floor */
2874 if (oldi > next_out)
2875 SendToPlayer(&buf[next_out], oldi - next_out);
2881 /* OK, this at least will *usually* work */
2882 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2886 if (loggedOn && !intfSet) {
2887 if (ics_type == ICS_ICC) {
2888 snprintf(str, MSG_SIZ,
2889 "/set-quietly interface %s\n/set-quietly style 12\n",
2891 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2892 strcat(str, "/set-2 51 1\n/set seek 1\n");
2893 } else if (ics_type == ICS_CHESSNET) {
2894 snprintf(str, MSG_SIZ, "/style 12\n");
2896 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2897 strcat(str, programVersion);
2898 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2899 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2900 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2902 strcat(str, "$iset nohighlight 1\n");
2904 strcat(str, "$iset lock 1\n$style 12\n");
2907 NotifyFrontendLogin();
2911 if (started == STARTED_COMMENT) {
2912 /* Accumulate characters in comment */
2913 parse[parse_pos++] = buf[i];
2914 if (buf[i] == '\n') {
2915 parse[parse_pos] = NULLCHAR;
2916 if(chattingPartner>=0) {
2918 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2919 OutputChatMessage(chattingPartner, mess);
2920 chattingPartner = -1;
2921 next_out = i+1; // [HGM] suppress printing in ICS window
2923 if(!suppressKibitz) // [HGM] kibitz
2924 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2925 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2926 int nrDigit = 0, nrAlph = 0, j;
2927 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2928 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2929 parse[parse_pos] = NULLCHAR;
2930 // try to be smart: if it does not look like search info, it should go to
2931 // ICS interaction window after all, not to engine-output window.
2932 for(j=0; j<parse_pos; j++) { // count letters and digits
2933 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2934 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2935 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2937 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2938 int depth=0; float score;
2939 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2940 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2941 pvInfoList[forwardMostMove-1].depth = depth;
2942 pvInfoList[forwardMostMove-1].score = 100*score;
2944 OutputKibitz(suppressKibitz, parse);
2947 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2948 SendToPlayer(tmp, strlen(tmp));
2950 next_out = i+1; // [HGM] suppress printing in ICS window
2952 started = STARTED_NONE;
2954 /* Don't match patterns against characters in comment */
2959 if (started == STARTED_CHATTER) {
2960 if (buf[i] != '\n') {
2961 /* Don't match patterns against characters in chatter */
2965 started = STARTED_NONE;
2966 if(suppressKibitz) next_out = i+1;
2969 /* Kludge to deal with rcmd protocol */
2970 if (firstTime && looking_at(buf, &i, "\001*")) {
2971 DisplayFatalError(&buf[1], 0, 1);
2977 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2980 if (appData.debugMode)
2981 fprintf(debugFP, "ics_type %d\n", ics_type);
2984 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2985 ics_type = ICS_FICS;
2987 if (appData.debugMode)
2988 fprintf(debugFP, "ics_type %d\n", ics_type);
2991 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2992 ics_type = ICS_CHESSNET;
2994 if (appData.debugMode)
2995 fprintf(debugFP, "ics_type %d\n", ics_type);
3000 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3001 looking_at(buf, &i, "Logging you in as \"*\"") ||
3002 looking_at(buf, &i, "will be \"*\""))) {
3003 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3007 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3009 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3010 DisplayIcsInteractionTitle(buf);
3011 have_set_title = TRUE;
3014 /* skip finger notes */
3015 if (started == STARTED_NONE &&
3016 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3017 (buf[i] == '1' && buf[i+1] == '0')) &&
3018 buf[i+2] == ':' && buf[i+3] == ' ') {
3019 started = STARTED_CHATTER;
3025 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3026 if(appData.seekGraph) {
3027 if(soughtPending && MatchSoughtLine(buf+i)) {
3028 i = strstr(buf+i, "rated") - buf;
3029 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3030 next_out = leftover_start = i;
3031 started = STARTED_CHATTER;
3032 suppressKibitz = TRUE;
3035 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3036 && looking_at(buf, &i, "* ads displayed")) {
3037 soughtPending = FALSE;
3042 if(appData.autoRefresh) {
3043 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3044 int s = (ics_type == ICS_ICC); // ICC format differs
3046 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3047 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3048 looking_at(buf, &i, "*% "); // eat prompt
3049 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3050 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3051 next_out = i; // suppress
3054 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3055 char *p = star_match[0];
3057 if(seekGraphUp) RemoveSeekAd(atoi(p));
3058 while(*p && *p++ != ' '); // next
3060 looking_at(buf, &i, "*% "); // eat prompt
3061 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3068 /* skip formula vars */
3069 if (started == STARTED_NONE &&
3070 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3071 started = STARTED_CHATTER;
3076 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3077 if (appData.autoKibitz && started == STARTED_NONE &&
3078 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3079 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3080 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3081 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3082 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3083 suppressKibitz = TRUE;
3084 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3086 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3087 && (gameMode == IcsPlayingWhite)) ||
3088 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3089 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3090 started = STARTED_CHATTER; // own kibitz we simply discard
3092 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3093 parse_pos = 0; parse[0] = NULLCHAR;
3094 savingComment = TRUE;
3095 suppressKibitz = gameMode != IcsObserving ? 2 :
3096 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3100 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3101 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3102 && atoi(star_match[0])) {
3103 // suppress the acknowledgements of our own autoKibitz
3105 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3106 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3107 SendToPlayer(star_match[0], strlen(star_match[0]));
3108 if(looking_at(buf, &i, "*% ")) // eat prompt
3109 suppressKibitz = FALSE;
3113 } // [HGM] kibitz: end of patch
3115 // [HGM] chat: intercept tells by users for which we have an open chat window
3117 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3118 looking_at(buf, &i, "* whispers:") ||
3119 looking_at(buf, &i, "* kibitzes:") ||
3120 looking_at(buf, &i, "* shouts:") ||
3121 looking_at(buf, &i, "* c-shouts:") ||
3122 looking_at(buf, &i, "--> * ") ||
3123 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3124 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3125 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3126 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3128 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3129 chattingPartner = -1;
3131 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3132 for(p=0; p<MAX_CHAT; p++) {
3133 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3134 talker[0] = '['; strcat(talker, "] ");
3135 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3136 chattingPartner = p; break;
3139 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3140 for(p=0; p<MAX_CHAT; p++) {
3141 if(!strcmp("kibitzes", chatPartner[p])) {
3142 talker[0] = '['; strcat(talker, "] ");
3143 chattingPartner = p; break;
3146 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3147 for(p=0; p<MAX_CHAT; p++) {
3148 if(!strcmp("whispers", chatPartner[p])) {
3149 talker[0] = '['; strcat(talker, "] ");
3150 chattingPartner = p; break;
3153 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3154 if(buf[i-8] == '-' && buf[i-3] == 't')
3155 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3156 if(!strcmp("c-shouts", chatPartner[p])) {
3157 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3158 chattingPartner = p; break;
3161 if(chattingPartner < 0)
3162 for(p=0; p<MAX_CHAT; p++) {
3163 if(!strcmp("shouts", chatPartner[p])) {
3164 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3165 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3166 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3167 chattingPartner = p; break;
3171 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3172 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3173 talker[0] = 0; Colorize(ColorTell, FALSE);
3174 chattingPartner = p; break;
3176 if(chattingPartner<0) i = oldi; else {
3177 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3178 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3179 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3180 started = STARTED_COMMENT;
3181 parse_pos = 0; parse[0] = NULLCHAR;
3182 savingComment = 3 + chattingPartner; // counts as TRUE
3183 suppressKibitz = TRUE;
3186 } // [HGM] chat: end of patch
3189 if (appData.zippyTalk || appData.zippyPlay) {
3190 /* [DM] Backup address for color zippy lines */
3192 if (loggedOn == TRUE)
3193 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3194 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3196 } // [DM] 'else { ' deleted
3198 /* Regular tells and says */
3199 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3200 looking_at(buf, &i, "* (your partner) tells you: ") ||
3201 looking_at(buf, &i, "* says: ") ||
3202 /* Don't color "message" or "messages" output */
3203 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3204 looking_at(buf, &i, "*. * at *:*: ") ||
3205 looking_at(buf, &i, "--* (*:*): ") ||
3206 /* Message notifications (same color as tells) */
3207 looking_at(buf, &i, "* has left a message ") ||
3208 looking_at(buf, &i, "* just sent you a message:\n") ||
3209 /* Whispers and kibitzes */
3210 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3211 looking_at(buf, &i, "* kibitzes: ") ||
3213 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3215 if (tkind == 1 && strchr(star_match[0], ':')) {
3216 /* Avoid "tells you:" spoofs in channels */
3219 if (star_match[0][0] == NULLCHAR ||
3220 strchr(star_match[0], ' ') ||
3221 (tkind == 3 && strchr(star_match[1], ' '))) {
3222 /* Reject bogus matches */
3225 if (appData.colorize) {
3226 if (oldi > next_out) {
3227 SendToPlayer(&buf[next_out], oldi - next_out);
3232 Colorize(ColorTell, FALSE);
3233 curColor = ColorTell;
3236 Colorize(ColorKibitz, FALSE);
3237 curColor = ColorKibitz;
3240 p = strrchr(star_match[1], '(');
3247 Colorize(ColorChannel1, FALSE);
3248 curColor = ColorChannel1;
3250 Colorize(ColorChannel, FALSE);
3251 curColor = ColorChannel;
3255 curColor = ColorNormal;
3259 if (started == STARTED_NONE && appData.autoComment &&
3260 (gameMode == IcsObserving ||
3261 gameMode == IcsPlayingWhite ||
3262 gameMode == IcsPlayingBlack)) {
3263 parse_pos = i - oldi;
3264 memcpy(parse, &buf[oldi], parse_pos);
3265 parse[parse_pos] = NULLCHAR;
3266 started = STARTED_COMMENT;
3267 savingComment = TRUE;
3269 started = STARTED_CHATTER;
3270 savingComment = FALSE;
3277 if (looking_at(buf, &i, "* s-shouts: ") ||
3278 looking_at(buf, &i, "* c-shouts: ")) {
3279 if (appData.colorize) {
3280 if (oldi > next_out) {
3281 SendToPlayer(&buf[next_out], oldi - next_out);
3284 Colorize(ColorSShout, FALSE);
3285 curColor = ColorSShout;
3288 started = STARTED_CHATTER;
3292 if (looking_at(buf, &i, "--->")) {
3297 if (looking_at(buf, &i, "* shouts: ") ||
3298 looking_at(buf, &i, "--> ")) {
3299 if (appData.colorize) {
3300 if (oldi > next_out) {
3301 SendToPlayer(&buf[next_out], oldi - next_out);
3304 Colorize(ColorShout, FALSE);
3305 curColor = ColorShout;
3308 started = STARTED_CHATTER;
3312 if (looking_at( buf, &i, "Challenge:")) {
3313 if (appData.colorize) {
3314 if (oldi > next_out) {
3315 SendToPlayer(&buf[next_out], oldi - next_out);
3318 Colorize(ColorChallenge, FALSE);
3319 curColor = ColorChallenge;
3325 if (looking_at(buf, &i, "* offers you") ||
3326 looking_at(buf, &i, "* offers to be") ||
3327 looking_at(buf, &i, "* would like to") ||
3328 looking_at(buf, &i, "* requests to") ||
3329 looking_at(buf, &i, "Your opponent offers") ||
3330 looking_at(buf, &i, "Your opponent requests")) {
3332 if (appData.colorize) {
3333 if (oldi > next_out) {
3334 SendToPlayer(&buf[next_out], oldi - next_out);
3337 Colorize(ColorRequest, FALSE);
3338 curColor = ColorRequest;
3343 if (looking_at(buf, &i, "* (*) seeking")) {
3344 if (appData.colorize) {
3345 if (oldi > next_out) {
3346 SendToPlayer(&buf[next_out], oldi - next_out);
3349 Colorize(ColorSeek, FALSE);
3350 curColor = ColorSeek;
3355 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3357 if (looking_at(buf, &i, "\\ ")) {
3358 if (prevColor != ColorNormal) {
3359 if (oldi > next_out) {
3360 SendToPlayer(&buf[next_out], oldi - next_out);
3363 Colorize(prevColor, TRUE);
3364 curColor = prevColor;
3366 if (savingComment) {
3367 parse_pos = i - oldi;
3368 memcpy(parse, &buf[oldi], parse_pos);
3369 parse[parse_pos] = NULLCHAR;
3370 started = STARTED_COMMENT;
3371 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3372 chattingPartner = savingComment - 3; // kludge to remember the box
3374 started = STARTED_CHATTER;
3379 if (looking_at(buf, &i, "Black Strength :") ||
3380 looking_at(buf, &i, "<<< style 10 board >>>") ||
3381 looking_at(buf, &i, "<10>") ||
3382 looking_at(buf, &i, "#@#")) {
3383 /* Wrong board style */
3385 SendToICS(ics_prefix);
3386 SendToICS("set style 12\n");
3387 SendToICS(ics_prefix);
3388 SendToICS("refresh\n");
3392 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3394 have_sent_ICS_logon = 1;
3398 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3399 (looking_at(buf, &i, "\n<12> ") ||
3400 looking_at(buf, &i, "<12> "))) {
3402 if (oldi > next_out) {
3403 SendToPlayer(&buf[next_out], oldi - next_out);
3406 started = STARTED_BOARD;
3411 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3412 looking_at(buf, &i, "<b1> ")) {
3413 if (oldi > next_out) {
3414 SendToPlayer(&buf[next_out], oldi - next_out);
3417 started = STARTED_HOLDINGS;
3422 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3424 /* Header for a move list -- first line */
3426 switch (ics_getting_history) {
3430 case BeginningOfGame:
3431 /* User typed "moves" or "oldmoves" while we
3432 were idle. Pretend we asked for these
3433 moves and soak them up so user can step
3434 through them and/or save them.
3437 gameMode = IcsObserving;
3440 ics_getting_history = H_GOT_UNREQ_HEADER;
3442 case EditGame: /*?*/
3443 case EditPosition: /*?*/
3444 /* Should above feature work in these modes too? */
3445 /* For now it doesn't */
3446 ics_getting_history = H_GOT_UNWANTED_HEADER;
3449 ics_getting_history = H_GOT_UNWANTED_HEADER;
3454 /* Is this the right one? */
3455 if (gameInfo.white && gameInfo.black &&
3456 strcmp(gameInfo.white, star_match[0]) == 0 &&
3457 strcmp(gameInfo.black, star_match[2]) == 0) {
3459 ics_getting_history = H_GOT_REQ_HEADER;
3462 case H_GOT_REQ_HEADER:
3463 case H_GOT_UNREQ_HEADER:
3464 case H_GOT_UNWANTED_HEADER:
3465 case H_GETTING_MOVES:
3466 /* Should not happen */
3467 DisplayError(_("Error gathering move list: two headers"), 0);
3468 ics_getting_history = H_FALSE;
3472 /* Save player ratings into gameInfo if needed */
3473 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3474 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3475 (gameInfo.whiteRating == -1 ||
3476 gameInfo.blackRating == -1)) {
3478 gameInfo.whiteRating = string_to_rating(star_match[1]);
3479 gameInfo.blackRating = string_to_rating(star_match[3]);
3480 if (appData.debugMode)
3481 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3482 gameInfo.whiteRating, gameInfo.blackRating);
3487 if (looking_at(buf, &i,
3488 "* * match, initial time: * minute*, increment: * second")) {
3489 /* Header for a move list -- second line */
3490 /* Initial board will follow if this is a wild game */
3491 if (gameInfo.event != NULL) free(gameInfo.event);
3492 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3493 gameInfo.event = StrSave(str);
3494 /* [HGM] we switched variant. Translate boards if needed. */
3495 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3499 if (looking_at(buf, &i, "Move ")) {
3500 /* Beginning of a move list */
3501 switch (ics_getting_history) {
3503 /* Normally should not happen */
3504 /* Maybe user hit reset while we were parsing */
3507 /* Happens if we are ignoring a move list that is not
3508 * the one we just requested. Common if the user
3509 * tries to observe two games without turning off
3512 case H_GETTING_MOVES:
3513 /* Should not happen */
3514 DisplayError(_("Error gathering move list: nested"), 0);
3515 ics_getting_history = H_FALSE;
3517 case H_GOT_REQ_HEADER:
3518 ics_getting_history = H_GETTING_MOVES;
3519 started = STARTED_MOVES;
3521 if (oldi > next_out) {
3522 SendToPlayer(&buf[next_out], oldi - next_out);
3525 case H_GOT_UNREQ_HEADER:
3526 ics_getting_history = H_GETTING_MOVES;
3527 started = STARTED_MOVES_NOHIDE;
3530 case H_GOT_UNWANTED_HEADER:
3531 ics_getting_history = H_FALSE;
3537 if (looking_at(buf, &i, "% ") ||
3538 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3539 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3540 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3541 soughtPending = FALSE;
3545 if(suppressKibitz) next_out = i;
3546 savingComment = FALSE;
3550 case STARTED_MOVES_NOHIDE:
3551 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3552 parse[parse_pos + i - oldi] = NULLCHAR;
3553 ParseGameHistory(parse);
3555 if (appData.zippyPlay && first.initDone) {
3556 FeedMovesToProgram(&first, forwardMostMove);
3557 if (gameMode == IcsPlayingWhite) {
3558 if (WhiteOnMove(forwardMostMove)) {
3559 if (first.sendTime) {
3560 if (first.useColors) {
3561 SendToProgram("black\n", &first);
3563 SendTimeRemaining(&first, TRUE);
3565 if (first.useColors) {
3566 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3568 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3569 first.maybeThinking = TRUE;
3571 if (first.usePlayother) {
3572 if (first.sendTime) {
3573 SendTimeRemaining(&first, TRUE);
3575 SendToProgram("playother\n", &first);
3581 } else if (gameMode == IcsPlayingBlack) {
3582 if (!WhiteOnMove(forwardMostMove)) {
3583 if (first.sendTime) {
3584 if (first.useColors) {
3585 SendToProgram("white\n", &first);
3587 SendTimeRemaining(&first, FALSE);
3589 if (first.useColors) {
3590 SendToProgram("black\n", &first);
3592 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3593 first.maybeThinking = TRUE;
3595 if (first.usePlayother) {
3596 if (first.sendTime) {
3597 SendTimeRemaining(&first, FALSE);
3599 SendToProgram("playother\n", &first);
3608 if (gameMode == IcsObserving && ics_gamenum == -1) {
3609 /* Moves came from oldmoves or moves command
3610 while we weren't doing anything else.
3612 currentMove = forwardMostMove;
3613 ClearHighlights();/*!!could figure this out*/
3614 flipView = appData.flipView;
3615 DrawPosition(TRUE, boards[currentMove]);
3616 DisplayBothClocks();
3617 snprintf(str, MSG_SIZ, "%s vs. %s",
3618 gameInfo.white, gameInfo.black);
3622 /* Moves were history of an active game */
3623 if (gameInfo.resultDetails != NULL) {
3624 free(gameInfo.resultDetails);
3625 gameInfo.resultDetails = NULL;
3628 HistorySet(parseList, backwardMostMove,
3629 forwardMostMove, currentMove-1);
3630 DisplayMove(currentMove - 1);
3631 if (started == STARTED_MOVES) next_out = i;
3632 started = STARTED_NONE;
3633 ics_getting_history = H_FALSE;
3636 case STARTED_OBSERVE:
3637 started = STARTED_NONE;
3638 SendToICS(ics_prefix);
3639 SendToICS("refresh\n");
3645 if(bookHit) { // [HGM] book: simulate book reply
3646 static char bookMove[MSG_SIZ]; // a bit generous?
3648 programStats.nodes = programStats.depth = programStats.time =
3649 programStats.score = programStats.got_only_move = 0;
3650 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3652 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3653 strcat(bookMove, bookHit);
3654 HandleMachineMove(bookMove, &first);
3659 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3660 started == STARTED_HOLDINGS ||
3661 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3662 /* Accumulate characters in move list or board */
3663 parse[parse_pos++] = buf[i];
3666 /* Start of game messages. Mostly we detect start of game
3667 when the first board image arrives. On some versions
3668 of the ICS, though, we need to do a "refresh" after starting
3669 to observe in order to get the current board right away. */
3670 if (looking_at(buf, &i, "Adding game * to observation list")) {
3671 started = STARTED_OBSERVE;
3675 /* Handle auto-observe */
3676 if (appData.autoObserve &&
3677 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3678 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3680 /* Choose the player that was highlighted, if any. */
3681 if (star_match[0][0] == '\033' ||
3682 star_match[1][0] != '\033') {
3683 player = star_match[0];
3685 player = star_match[2];
3687 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3688 ics_prefix, StripHighlightAndTitle(player));
3691 /* Save ratings from notify string */
3692 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3693 player1Rating = string_to_rating(star_match[1]);
3694 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3695 player2Rating = string_to_rating(star_match[3]);
3697 if (appData.debugMode)
3699 "Ratings from 'Game notification:' %s %d, %s %d\n",
3700 player1Name, player1Rating,
3701 player2Name, player2Rating);
3706 /* Deal with automatic examine mode after a game,
3707 and with IcsObserving -> IcsExamining transition */
3708 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3709 looking_at(buf, &i, "has made you an examiner of game *")) {
3711 int gamenum = atoi(star_match[0]);
3712 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3713 gamenum == ics_gamenum) {
3714 /* We were already playing or observing this game;
3715 no need to refetch history */
3716 gameMode = IcsExamining;
3718 pauseExamForwardMostMove = forwardMostMove;
3719 } else if (currentMove < forwardMostMove) {
3720 ForwardInner(forwardMostMove);
3723 /* I don't think this case really can happen */
3724 SendToICS(ics_prefix);
3725 SendToICS("refresh\n");
3730 /* Error messages */
3731 // if (ics_user_moved) {
3732 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3733 if (looking_at(buf, &i, "Illegal move") ||
3734 looking_at(buf, &i, "Not a legal move") ||
3735 looking_at(buf, &i, "Your king is in check") ||
3736 looking_at(buf, &i, "It isn't your turn") ||
3737 looking_at(buf, &i, "It is not your move")) {
3739 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3740 currentMove = forwardMostMove-1;
3741 DisplayMove(currentMove - 1); /* before DMError */
3742 DrawPosition(FALSE, boards[currentMove]);
3743 SwitchClocks(forwardMostMove-1); // [HGM] race
3744 DisplayBothClocks();
3746 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3752 if (looking_at(buf, &i, "still have time") ||
3753 looking_at(buf, &i, "not out of time") ||
3754 looking_at(buf, &i, "either player is out of time") ||
3755 looking_at(buf, &i, "has timeseal; checking")) {
3756 /* We must have called his flag a little too soon */
3757 whiteFlag = blackFlag = FALSE;
3761 if (looking_at(buf, &i, "added * seconds to") ||
3762 looking_at(buf, &i, "seconds were added to")) {
3763 /* Update the clocks */
3764 SendToICS(ics_prefix);
3765 SendToICS("refresh\n");
3769 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3770 ics_clock_paused = TRUE;
3775 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3776 ics_clock_paused = FALSE;
3781 /* Grab player ratings from the Creating: message.
3782 Note we have to check for the special case when
3783 the ICS inserts things like [white] or [black]. */
3784 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3785 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3787 0 player 1 name (not necessarily white)
3789 2 empty, white, or black (IGNORED)
3790 3 player 2 name (not necessarily black)
3793 The names/ratings are sorted out when the game
3794 actually starts (below).
3796 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3797 player1Rating = string_to_rating(star_match[1]);
3798 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3799 player2Rating = string_to_rating(star_match[4]);
3801 if (appData.debugMode)
3803 "Ratings from 'Creating:' %s %d, %s %d\n",
3804 player1Name, player1Rating,
3805 player2Name, player2Rating);
3810 /* Improved generic start/end-of-game messages */
3811 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3812 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3813 /* If tkind == 0: */
3814 /* star_match[0] is the game number */
3815 /* [1] is the white player's name */
3816 /* [2] is the black player's name */
3817 /* For end-of-game: */
3818 /* [3] is the reason for the game end */
3819 /* [4] is a PGN end game-token, preceded by " " */
3820 /* For start-of-game: */
3821 /* [3] begins with "Creating" or "Continuing" */
3822 /* [4] is " *" or empty (don't care). */
3823 int gamenum = atoi(star_match[0]);
3824 char *whitename, *blackname, *why, *endtoken;
3825 ChessMove endtype = EndOfFile;
3828 whitename = star_match[1];
3829 blackname = star_match[2];
3830 why = star_match[3];
3831 endtoken = star_match[4];
3833 whitename = star_match[1];
3834 blackname = star_match[3];
3835 why = star_match[5];
3836 endtoken = star_match[6];
3839 /* Game start messages */
3840 if (strncmp(why, "Creating ", 9) == 0 ||
3841 strncmp(why, "Continuing ", 11) == 0) {
3842 gs_gamenum = gamenum;
3843 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3844 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3846 if (appData.zippyPlay) {
3847 ZippyGameStart(whitename, blackname);
3850 partnerBoardValid = FALSE; // [HGM] bughouse
3854 /* Game end messages */
3855 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3856 ics_gamenum != gamenum) {
3859 while (endtoken[0] == ' ') endtoken++;
3860 switch (endtoken[0]) {
3863 endtype = GameUnfinished;
3866 endtype = BlackWins;
3869 if (endtoken[1] == '/')
3870 endtype = GameIsDrawn;
3872 endtype = WhiteWins;
3875 GameEnds(endtype, why, GE_ICS);
3877 if (appData.zippyPlay && first.initDone) {
3878 ZippyGameEnd(endtype, why);
3879 if (first.pr == NULL) {
3880 /* Start the next process early so that we'll
3881 be ready for the next challenge */
3882 StartChessProgram(&first);
3884 /* Send "new" early, in case this command takes
3885 a long time to finish, so that we'll be ready
3886 for the next challenge. */
3887 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3891 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3895 if (looking_at(buf, &i, "Removing game * from observation") ||
3896 looking_at(buf, &i, "no longer observing game *") ||
3897 looking_at(buf, &i, "Game * (*) has no examiners")) {
3898 if (gameMode == IcsObserving &&
3899 atoi(star_match[0]) == ics_gamenum)
3901 /* icsEngineAnalyze */
3902 if (appData.icsEngineAnalyze) {
3909 ics_user_moved = FALSE;
3914 if (looking_at(buf, &i, "no longer examining game *")) {
3915 if (gameMode == IcsExamining &&
3916 atoi(star_match[0]) == ics_gamenum)
3920 ics_user_moved = FALSE;
3925 /* Advance leftover_start past any newlines we find,
3926 so only partial lines can get reparsed */
3927 if (looking_at(buf, &i, "\n")) {
3928 prevColor = curColor;
3929 if (curColor != ColorNormal) {
3930 if (oldi > next_out) {
3931 SendToPlayer(&buf[next_out], oldi - next_out);
3934 Colorize(ColorNormal, FALSE);
3935 curColor = ColorNormal;
3937 if (started == STARTED_BOARD) {
3938 started = STARTED_NONE;
3939 parse[parse_pos] = NULLCHAR;
3940 ParseBoard12(parse);
3943 /* Send premove here */
3944 if (appData.premove) {
3946 if (currentMove == 0 &&
3947 gameMode == IcsPlayingWhite &&
3948 appData.premoveWhite) {
3949 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3950 if (appData.debugMode)
3951 fprintf(debugFP, "Sending premove:\n");
3953 } else if (currentMove == 1 &&
3954 gameMode == IcsPlayingBlack &&
3955 appData.premoveBlack) {
3956 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3957 if (appData.debugMode)
3958 fprintf(debugFP, "Sending premove:\n");
3960 } else if (gotPremove) {
3962 ClearPremoveHighlights();
3963 if (appData.debugMode)
3964 fprintf(debugFP, "Sending premove:\n");
3965 UserMoveEvent(premoveFromX, premoveFromY,
3966 premoveToX, premoveToY,
3971 /* Usually suppress following prompt */
3972 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3973 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3974 if (looking_at(buf, &i, "*% ")) {
3975 savingComment = FALSE;
3980 } else if (started == STARTED_HOLDINGS) {
3982 char new_piece[MSG_SIZ];
3983 started = STARTED_NONE;
3984 parse[parse_pos] = NULLCHAR;
3985 if (appData.debugMode)
3986 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3987 parse, currentMove);
3988 if (sscanf(parse, " game %d", &gamenum) == 1) {
3989 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3990 if (gameInfo.variant == VariantNormal) {
3991 /* [HGM] We seem to switch variant during a game!
3992 * Presumably no holdings were displayed, so we have
3993 * to move the position two files to the right to
3994 * create room for them!
3996 VariantClass newVariant;
3997 switch(gameInfo.boardWidth) { // base guess on board width
3998 case 9: newVariant = VariantShogi; break;
3999 case 10: newVariant = VariantGreat; break;
4000 default: newVariant = VariantCrazyhouse; break;
4002 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4003 /* Get a move list just to see the header, which
4004 will tell us whether this is really bug or zh */
4005 if (ics_getting_history == H_FALSE) {
4006 ics_getting_history = H_REQUESTED;
4007 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4011 new_piece[0] = NULLCHAR;
4012 sscanf(parse, "game %d white [%s black [%s <- %s",
4013 &gamenum, white_holding, black_holding,
4015 white_holding[strlen(white_holding)-1] = NULLCHAR;
4016 black_holding[strlen(black_holding)-1] = NULLCHAR;
4017 /* [HGM] copy holdings to board holdings area */
4018 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4019 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4020 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4022 if (appData.zippyPlay && first.initDone) {
4023 ZippyHoldings(white_holding, black_holding,
4027 if (tinyLayout || smallLayout) {
4028 char wh[16], bh[16];
4029 PackHolding(wh, white_holding);
4030 PackHolding(bh, black_holding);
4031 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4032 gameInfo.white, gameInfo.black);
4034 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4035 gameInfo.white, white_holding,
4036 gameInfo.black, black_holding);
4038 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4039 DrawPosition(FALSE, boards[currentMove]);
4041 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4042 sscanf(parse, "game %d white [%s black [%s <- %s",
4043 &gamenum, white_holding, black_holding,
4045 white_holding[strlen(white_holding)-1] = NULLCHAR;
4046 black_holding[strlen(black_holding)-1] = NULLCHAR;
4047 /* [HGM] copy holdings to partner-board holdings area */
4048 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4049 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4050 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4051 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4052 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4055 /* Suppress following prompt */
4056 if (looking_at(buf, &i, "*% ")) {
4057 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4058 savingComment = FALSE;
4066 i++; /* skip unparsed character and loop back */
4069 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4070 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4071 // SendToPlayer(&buf[next_out], i - next_out);
4072 started != STARTED_HOLDINGS && leftover_start > next_out) {
4073 SendToPlayer(&buf[next_out], leftover_start - next_out);
4077 leftover_len = buf_len - leftover_start;
4078 /* if buffer ends with something we couldn't parse,
4079 reparse it after appending the next read */
4081 } else if (count == 0) {
4082 RemoveInputSource(isr);
4083 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4085 DisplayFatalError(_("Error reading from ICS"), error, 1);
4090 /* Board style 12 looks like this:
4092 <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
4094 * The "<12> " is stripped before it gets to this routine. The two
4095 * trailing 0's (flip state and clock ticking) are later addition, and
4096 * some chess servers may not have them, or may have only the first.
4097 * Additional trailing fields may be added in the future.
4100 #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"
4102 #define RELATION_OBSERVING_PLAYED 0
4103 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4104 #define RELATION_PLAYING_MYMOVE 1
4105 #define RELATION_PLAYING_NOTMYMOVE -1
4106 #define RELATION_EXAMINING 2
4107 #define RELATION_ISOLATED_BOARD -3
4108 #define RELATION_STARTING_POSITION -4 /* FICS only */
4111 ParseBoard12(string)
4114 GameMode newGameMode;
4115 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4116 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4117 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4118 char to_play, board_chars[200];
4119 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4120 char black[32], white[32];
4122 int prevMove = currentMove;
4125 int fromX, fromY, toX, toY;
4127 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4128 char *bookHit = NULL; // [HGM] book
4129 Boolean weird = FALSE, reqFlag = FALSE;
4131 fromX = fromY = toX = toY = -1;
4135 if (appData.debugMode)
4136 fprintf(debugFP, _("Parsing board: %s\n"), string);
4138 move_str[0] = NULLCHAR;
4139 elapsed_time[0] = NULLCHAR;
4140 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4142 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4143 if(string[i] == ' ') { ranks++; files = 0; }
4145 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4148 for(j = 0; j <i; j++) board_chars[j] = string[j];
4149 board_chars[i] = '\0';
4152 n = sscanf(string, PATTERN, &to_play, &double_push,
4153 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4154 &gamenum, white, black, &relation, &basetime, &increment,
4155 &white_stren, &black_stren, &white_time, &black_time,
4156 &moveNum, str, elapsed_time, move_str, &ics_flip,
4160 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4161 DisplayError(str, 0);
4165 /* Convert the move number to internal form */
4166 moveNum = (moveNum - 1) * 2;
4167 if (to_play == 'B') moveNum++;
4168 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4169 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4175 case RELATION_OBSERVING_PLAYED:
4176 case RELATION_OBSERVING_STATIC:
4177 if (gamenum == -1) {
4178 /* Old ICC buglet */
4179 relation = RELATION_OBSERVING_STATIC;
4181 newGameMode = IcsObserving;
4183 case RELATION_PLAYING_MYMOVE:
4184 case RELATION_PLAYING_NOTMYMOVE:
4186 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4187 IcsPlayingWhite : IcsPlayingBlack;
4189 case RELATION_EXAMINING:
4190 newGameMode = IcsExamining;
4192 case RELATION_ISOLATED_BOARD:
4194 /* Just display this board. If user was doing something else,
4195 we will forget about it until the next board comes. */
4196 newGameMode = IcsIdle;
4198 case RELATION_STARTING_POSITION:
4199 newGameMode = gameMode;
4203 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4204 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4205 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4207 for (k = 0; k < ranks; k++) {
4208 for (j = 0; j < files; j++)
4209 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4210 if(gameInfo.holdingsWidth > 1) {
4211 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4212 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4215 CopyBoard(partnerBoard, board);
4216 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4217 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4218 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4219 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4220 if(toSqr = strchr(str, '-')) {
4221 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4222 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4223 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4224 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4225 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4226 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4227 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4228 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4229 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4230 DisplayMessage(partnerStatus, "");
4231 partnerBoardValid = TRUE;
4235 /* Modify behavior for initial board display on move listing
4238 switch (ics_getting_history) {
4242 case H_GOT_REQ_HEADER:
4243 case H_GOT_UNREQ_HEADER:
4244 /* This is the initial position of the current game */
4245 gamenum = ics_gamenum;
4246 moveNum = 0; /* old ICS bug workaround */
4247 if (to_play == 'B') {
4248 startedFromSetupPosition = TRUE;
4249 blackPlaysFirst = TRUE;
4251 if (forwardMostMove == 0) forwardMostMove = 1;
4252 if (backwardMostMove == 0) backwardMostMove = 1;
4253 if (currentMove == 0) currentMove = 1;
4255 newGameMode = gameMode;
4256 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4258 case H_GOT_UNWANTED_HEADER:
4259 /* This is an initial board that we don't want */
4261 case H_GETTING_MOVES:
4262 /* Should not happen */
4263 DisplayError(_("Error gathering move list: extra board"), 0);
4264 ics_getting_history = H_FALSE;
4268 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4269 weird && (int)gameInfo.variant < (int)VariantShogi) {
4270 /* [HGM] We seem to have switched variant unexpectedly
4271 * Try to guess new variant from board size
4273 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4274 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4275 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4276 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4277 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4278 if(!weird) newVariant = VariantNormal;
4279 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4280 /* Get a move list just to see the header, which
4281 will tell us whether this is really bug or zh */
4282 if (ics_getting_history == H_FALSE) {
4283 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4284 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4289 /* Take action if this is the first board of a new game, or of a
4290 different game than is currently being displayed. */
4291 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4292 relation == RELATION_ISOLATED_BOARD) {
4294 /* Forget the old game and get the history (if any) of the new one */
4295 if (gameMode != BeginningOfGame) {
4299 if (appData.autoRaiseBoard) BoardToTop();
4301 if (gamenum == -1) {
4302 newGameMode = IcsIdle;
4303 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4304 appData.getMoveList && !reqFlag) {
4305 /* Need to get game history */
4306 ics_getting_history = H_REQUESTED;
4307 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4311 /* Initially flip the board to have black on the bottom if playing
4312 black or if the ICS flip flag is set, but let the user change
4313 it with the Flip View button. */
4314 flipView = appData.autoFlipView ?
4315 (newGameMode == IcsPlayingBlack) || ics_flip :
4318 /* Done with values from previous mode; copy in new ones */
4319 gameMode = newGameMode;
4321 ics_gamenum = gamenum;
4322 if (gamenum == gs_gamenum) {
4323 int klen = strlen(gs_kind);
4324 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4325 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4326 gameInfo.event = StrSave(str);
4328 gameInfo.event = StrSave("ICS game");
4330 gameInfo.site = StrSave(appData.icsHost);
4331 gameInfo.date = PGNDate();
4332 gameInfo.round = StrSave("-");
4333 gameInfo.white = StrSave(white);
4334 gameInfo.black = StrSave(black);
4335 timeControl = basetime * 60 * 1000;
4337 timeIncrement = increment * 1000;
4338 movesPerSession = 0;
4339 gameInfo.timeControl = TimeControlTagValue();
4340 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4341 if (appData.debugMode) {
4342 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4343 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4344 setbuf(debugFP, NULL);
4347 gameInfo.outOfBook = NULL;
4349 /* Do we have the ratings? */
4350 if (strcmp(player1Name, white) == 0 &&
4351 strcmp(player2Name, black) == 0) {
4352 if (appData.debugMode)
4353 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4354 player1Rating, player2Rating);
4355 gameInfo.whiteRating = player1Rating;
4356 gameInfo.blackRating = player2Rating;
4357 } else if (strcmp(player2Name, white) == 0 &&
4358 strcmp(player1Name, black) == 0) {
4359 if (appData.debugMode)
4360 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4361 player2Rating, player1Rating);
4362 gameInfo.whiteRating = player2Rating;
4363 gameInfo.blackRating = player1Rating;
4365 player1Name[0] = player2Name[0] = NULLCHAR;
4367 /* Silence shouts if requested */
4368 if (appData.quietPlay &&
4369 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4370 SendToICS(ics_prefix);
4371 SendToICS("set shout 0\n");
4375 /* Deal with midgame name changes */
4377 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4378 if (gameInfo.white) free(gameInfo.white);
4379 gameInfo.white = StrSave(white);
4381 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4382 if (gameInfo.black) free(gameInfo.black);
4383 gameInfo.black = StrSave(black);
4387 /* Throw away game result if anything actually changes in examine mode */
4388 if (gameMode == IcsExamining && !newGame) {
4389 gameInfo.result = GameUnfinished;
4390 if (gameInfo.resultDetails != NULL) {
4391 free(gameInfo.resultDetails);
4392 gameInfo.resultDetails = NULL;
4396 /* In pausing && IcsExamining mode, we ignore boards coming
4397 in if they are in a different variation than we are. */
4398 if (pauseExamInvalid) return;
4399 if (pausing && gameMode == IcsExamining) {
4400 if (moveNum <= pauseExamForwardMostMove) {
4401 pauseExamInvalid = TRUE;
4402 forwardMostMove = pauseExamForwardMostMove;
4407 if (appData.debugMode) {
4408 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4410 /* Parse the board */
4411 for (k = 0; k < ranks; k++) {
4412 for (j = 0; j < files; j++)
4413 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4414 if(gameInfo.holdingsWidth > 1) {
4415 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4416 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4419 CopyBoard(boards[moveNum], board);
4420 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4422 startedFromSetupPosition =
4423 !CompareBoards(board, initialPosition);
4424 if(startedFromSetupPosition)
4425 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4428 /* [HGM] Set castling rights. Take the outermost Rooks,
4429 to make it also work for FRC opening positions. Note that board12
4430 is really defective for later FRC positions, as it has no way to
4431 indicate which Rook can castle if they are on the same side of King.
4432 For the initial position we grant rights to the outermost Rooks,
4433 and remember thos rights, and we then copy them on positions
4434 later in an FRC game. This means WB might not recognize castlings with
4435 Rooks that have moved back to their original position as illegal,
4436 but in ICS mode that is not its job anyway.
4438 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4439 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4441 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4442 if(board[0][i] == WhiteRook) j = i;
4443 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4444 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4445 if(board[0][i] == WhiteRook) j = i;
4446 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4447 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4448 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4449 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4450 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4451 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4452 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4454 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4455 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4456 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4457 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4458 if(board[BOARD_HEIGHT-1][k] == bKing)
4459 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4460 if(gameInfo.variant == VariantTwoKings) {
4461 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4462 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4463 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4466 r = boards[moveNum][CASTLING][0] = initialRights[0];
4467 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4468 r = boards[moveNum][CASTLING][1] = initialRights[1];
4469 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4470 r = boards[moveNum][CASTLING][3] = initialRights[3];
4471 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4472 r = boards[moveNum][CASTLING][4] = initialRights[4];
4473 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4474 /* wildcastle kludge: always assume King has rights */
4475 r = boards[moveNum][CASTLING][2] = initialRights[2];
4476 r = boards[moveNum][CASTLING][5] = initialRights[5];
4478 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4479 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4482 if (ics_getting_history == H_GOT_REQ_HEADER ||
4483 ics_getting_history == H_GOT_UNREQ_HEADER) {
4484 /* This was an initial position from a move list, not
4485 the current position */
4489 /* Update currentMove and known move number limits */
4490 newMove = newGame || moveNum > forwardMostMove;
4493 forwardMostMove = backwardMostMove = currentMove = moveNum;
4494 if (gameMode == IcsExamining && moveNum == 0) {
4495 /* Workaround for ICS limitation: we are not told the wild
4496 type when starting to examine a game. But if we ask for
4497 the move list, the move list header will tell us */
4498 ics_getting_history = H_REQUESTED;
4499 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4502 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4503 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4505 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4506 /* [HGM] applied this also to an engine that is silently watching */
4507 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4508 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4509 gameInfo.variant == currentlyInitializedVariant) {
4510 takeback = forwardMostMove - moveNum;
4511 for (i = 0; i < takeback; i++) {
4512 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4513 SendToProgram("undo\n", &first);
4518 forwardMostMove = moveNum;
4519 if (!pausing || currentMove > forwardMostMove)
4520 currentMove = forwardMostMove;
4522 /* New part of history that is not contiguous with old part */
4523 if (pausing && gameMode == IcsExamining) {
4524 pauseExamInvalid = TRUE;
4525 forwardMostMove = pauseExamForwardMostMove;
4528 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4530 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4531 // [HGM] when we will receive the move list we now request, it will be
4532 // fed to the engine from the first move on. So if the engine is not
4533 // in the initial position now, bring it there.
4534 InitChessProgram(&first, 0);
4537 ics_getting_history = H_REQUESTED;
4538 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4541 forwardMostMove = backwardMostMove = currentMove = moveNum;
4544 /* Update the clocks */
4545 if (strchr(elapsed_time, '.')) {
4547 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4548 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4550 /* Time is in seconds */
4551 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4552 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4557 if (appData.zippyPlay && newGame &&
4558 gameMode != IcsObserving && gameMode != IcsIdle &&
4559 gameMode != IcsExamining)
4560 ZippyFirstBoard(moveNum, basetime, increment);
4563 /* Put the move on the move list, first converting
4564 to canonical algebraic form. */
4566 if (appData.debugMode) {
4567 if (appData.debugMode) { int f = forwardMostMove;
4568 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4569 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4570 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4572 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4573 fprintf(debugFP, "moveNum = %d\n", moveNum);
4574 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4575 setbuf(debugFP, NULL);
4577 if (moveNum <= backwardMostMove) {
4578 /* We don't know what the board looked like before
4580 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4581 strcat(parseList[moveNum - 1], " ");
4582 strcat(parseList[moveNum - 1], elapsed_time);
4583 moveList[moveNum - 1][0] = NULLCHAR;
4584 } else if (strcmp(move_str, "none") == 0) {
4585 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4586 /* Again, we don't know what the board looked like;
4587 this is really the start of the game. */
4588 parseList[moveNum - 1][0] = NULLCHAR;
4589 moveList[moveNum - 1][0] = NULLCHAR;
4590 backwardMostMove = moveNum;
4591 startedFromSetupPosition = TRUE;
4592 fromX = fromY = toX = toY = -1;
4594 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4595 // So we parse the long-algebraic move string in stead of the SAN move
4596 int valid; char buf[MSG_SIZ], *prom;
4598 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4599 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4600 // str looks something like "Q/a1-a2"; kill the slash
4602 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4603 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4604 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4605 strcat(buf, prom); // long move lacks promo specification!
4606 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4607 if(appData.debugMode)
4608 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4609 safeStrCpy(move_str, buf, MSG_SIZ);
4611 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4612 &fromX, &fromY, &toX, &toY, &promoChar)
4613 || ParseOneMove(buf, moveNum - 1, &moveType,
4614 &fromX, &fromY, &toX, &toY, &promoChar);
4615 // end of long SAN patch
4617 (void) CoordsToAlgebraic(boards[moveNum - 1],
4618 PosFlags(moveNum - 1),
4619 fromY, fromX, toY, toX, promoChar,
4620 parseList[moveNum-1]);
4621 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4627 if(gameInfo.variant != VariantShogi)
4628 strcat(parseList[moveNum - 1], "+");
4631 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4632 strcat(parseList[moveNum - 1], "#");
4635 strcat(parseList[moveNum - 1], " ");
4636 strcat(parseList[moveNum - 1], elapsed_time);
4637 /* currentMoveString is set as a side-effect of ParseOneMove */
4638 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4639 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4640 strcat(moveList[moveNum - 1], "\n");
4642 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper
4643 && gameInfo.variant != VariantGreat) // inherit info that ICS does not give from previous board
4644 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4645 ChessSquare old, new = boards[moveNum][k][j];
4646 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4647 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4648 if(old == new) continue;
4649 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4650 else if(new == WhiteWazir || new == BlackWazir) {
4651 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4652 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4653 else boards[moveNum][k][j] = old; // preserve type of Gold
4654 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4655 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4658 /* Move from ICS was illegal!? Punt. */
4659 if (appData.debugMode) {
4660 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4661 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4663 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4664 strcat(parseList[moveNum - 1], " ");
4665 strcat(parseList[moveNum - 1], elapsed_time);
4666 moveList[moveNum - 1][0] = NULLCHAR;
4667 fromX = fromY = toX = toY = -1;
4670 if (appData.debugMode) {
4671 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4672 setbuf(debugFP, NULL);
4676 /* Send move to chess program (BEFORE animating it). */
4677 if (appData.zippyPlay && !newGame && newMove &&
4678 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4680 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4681 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4682 if (moveList[moveNum - 1][0] == NULLCHAR) {
4683 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4685 DisplayError(str, 0);
4687 if (first.sendTime) {
4688 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4690 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4691 if (firstMove && !bookHit) {
4693 if (first.useColors) {
4694 SendToProgram(gameMode == IcsPlayingWhite ?
4696 "black\ngo\n", &first);
4698 SendToProgram("go\n", &first);
4700 first.maybeThinking = TRUE;
4703 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4704 if (moveList[moveNum - 1][0] == NULLCHAR) {
4705 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4706 DisplayError(str, 0);
4708 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4709 SendMoveToProgram(moveNum - 1, &first);
4716 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4717 /* If move comes from a remote source, animate it. If it
4718 isn't remote, it will have already been animated. */
4719 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4720 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4722 if (!pausing && appData.highlightLastMove) {
4723 SetHighlights(fromX, fromY, toX, toY);
4727 /* Start the clocks */
4728 whiteFlag = blackFlag = FALSE;
4729 appData.clockMode = !(basetime == 0 && increment == 0);
4731 ics_clock_paused = TRUE;
4733 } else if (ticking == 1) {
4734 ics_clock_paused = FALSE;
4736 if (gameMode == IcsIdle ||
4737 relation == RELATION_OBSERVING_STATIC ||
4738 relation == RELATION_EXAMINING ||
4740 DisplayBothClocks();
4744 /* Display opponents and material strengths */
4745 if (gameInfo.variant != VariantBughouse &&
4746 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4747 if (tinyLayout || smallLayout) {
4748 if(gameInfo.variant == VariantNormal)
4749 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4750 gameInfo.white, white_stren, gameInfo.black, black_stren,
4751 basetime, increment);
4753 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4754 gameInfo.white, white_stren, gameInfo.black, black_stren,
4755 basetime, increment, (int) gameInfo.variant);
4757 if(gameInfo.variant == VariantNormal)
4758 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4759 gameInfo.white, white_stren, gameInfo.black, black_stren,
4760 basetime, increment);
4762 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4763 gameInfo.white, white_stren, gameInfo.black, black_stren,
4764 basetime, increment, VariantName(gameInfo.variant));
4767 if (appData.debugMode) {
4768 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4773 /* Display the board */
4774 if (!pausing && !appData.noGUI) {
4776 if (appData.premove)
4778 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4779 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4780 ClearPremoveHighlights();
4782 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4783 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4784 DrawPosition(j, boards[currentMove]);
4786 DisplayMove(moveNum - 1);
4787 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4788 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4789 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4790 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4794 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4796 if(bookHit) { // [HGM] book: simulate book reply
4797 static char bookMove[MSG_SIZ]; // a bit generous?
4799 programStats.nodes = programStats.depth = programStats.time =
4800 programStats.score = programStats.got_only_move = 0;
4801 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4803 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4804 strcat(bookMove, bookHit);
4805 HandleMachineMove(bookMove, &first);
4814 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4815 ics_getting_history = H_REQUESTED;
4816 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4822 AnalysisPeriodicEvent(force)
4825 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4826 && !force) || !appData.periodicUpdates)
4829 /* Send . command to Crafty to collect stats */
4830 SendToProgram(".\n", &first);
4832 /* Don't send another until we get a response (this makes
4833 us stop sending to old Crafty's which don't understand
4834 the "." command (sending illegal cmds resets node count & time,
4835 which looks bad)) */
4836 programStats.ok_to_send = 0;
4839 void ics_update_width(new_width)
4842 ics_printf("set width %d\n", new_width);
4846 SendMoveToProgram(moveNum, cps)
4848 ChessProgramState *cps;
4852 if (cps->useUsermove) {
4853 SendToProgram("usermove ", cps);
4857 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4858 int len = space - parseList[moveNum];
4859 memcpy(buf, parseList[moveNum], len);
4861 buf[len] = NULLCHAR;
4863 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4865 SendToProgram(buf, cps);
4867 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4868 AlphaRank(moveList[moveNum], 4);
4869 SendToProgram(moveList[moveNum], cps);
4870 AlphaRank(moveList[moveNum], 4); // and back
4872 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4873 * the engine. It would be nice to have a better way to identify castle
4875 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4876 && cps->useOOCastle) {
4877 int fromX = moveList[moveNum][0] - AAA;
4878 int fromY = moveList[moveNum][1] - ONE;
4879 int toX = moveList[moveNum][2] - AAA;
4880 int toY = moveList[moveNum][3] - ONE;
4881 if((boards[moveNum][fromY][fromX] == WhiteKing
4882 && boards[moveNum][toY][toX] == WhiteRook)
4883 || (boards[moveNum][fromY][fromX] == BlackKing
4884 && boards[moveNum][toY][toX] == BlackRook)) {
4885 if(toX > fromX) SendToProgram("O-O\n", cps);
4886 else SendToProgram("O-O-O\n", cps);
4888 else SendToProgram(moveList[moveNum], cps);
4890 else SendToProgram(moveList[moveNum], cps);
4891 /* End of additions by Tord */
4894 /* [HGM] setting up the opening has brought engine in force mode! */
4895 /* Send 'go' if we are in a mode where machine should play. */
4896 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4897 (gameMode == TwoMachinesPlay ||
4899 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4901 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4902 SendToProgram("go\n", cps);
4903 if (appData.debugMode) {
4904 fprintf(debugFP, "(extra)\n");
4907 setboardSpoiledMachineBlack = 0;
4911 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4913 int fromX, fromY, toX, toY;
4916 char user_move[MSG_SIZ];
4920 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4921 (int)moveType, fromX, fromY, toX, toY);
4922 DisplayError(user_move + strlen("say "), 0);
4924 case WhiteKingSideCastle:
4925 case BlackKingSideCastle:
4926 case WhiteQueenSideCastleWild:
4927 case BlackQueenSideCastleWild:
4929 case WhiteHSideCastleFR:
4930 case BlackHSideCastleFR:
4932 snprintf(user_move, MSG_SIZ, "o-o\n");
4934 case WhiteQueenSideCastle:
4935 case BlackQueenSideCastle:
4936 case WhiteKingSideCastleWild:
4937 case BlackKingSideCastleWild:
4939 case WhiteASideCastleFR:
4940 case BlackASideCastleFR:
4942 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4944 case WhiteNonPromotion:
4945 case BlackNonPromotion:
4946 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4948 case WhitePromotion:
4949 case BlackPromotion:
4950 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4951 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4952 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4953 PieceToChar(WhiteFerz));
4954 else if(gameInfo.variant == VariantGreat)
4955 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4956 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4957 PieceToChar(WhiteMan));
4959 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4960 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4966 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4967 ToUpper(PieceToChar((ChessSquare) fromX)),
4968 AAA + toX, ONE + toY);
4970 case IllegalMove: /* could be a variant we don't quite understand */
4971 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4973 case WhiteCapturesEnPassant:
4974 case BlackCapturesEnPassant:
4975 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4976 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4979 SendToICS(user_move);
4980 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4981 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4986 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4987 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4988 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4989 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4990 DisplayError("You cannot do this while you are playing or observing", 0);
4993 if(gameMode != IcsExamining) { // is this ever not the case?
4994 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4996 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4997 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4998 } else { // on FICS we must first go to general examine mode
4999 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5001 if(gameInfo.variant != VariantNormal) {
5002 // try figure out wild number, as xboard names are not always valid on ICS
5003 for(i=1; i<=36; i++) {
5004 snprintf(buf, MSG_SIZ, "wild/%d", i);
5005 if(StringToVariant(buf) == gameInfo.variant) break;
5007 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5008 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5009 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5010 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5011 SendToICS(ics_prefix);
5013 if(startedFromSetupPosition || backwardMostMove != 0) {
5014 fen = PositionToFEN(backwardMostMove, NULL);
5015 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5016 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5018 } else { // FICS: everything has to set by separate bsetup commands
5019 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5020 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5022 if(!WhiteOnMove(backwardMostMove)) {
5023 SendToICS("bsetup tomove black\n");
5025 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5026 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5028 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5029 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5031 i = boards[backwardMostMove][EP_STATUS];
5032 if(i >= 0) { // set e.p.
5033 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5039 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5040 SendToICS("bsetup done\n"); // switch to normal examining.
5042 for(i = backwardMostMove; i<last; i++) {
5044 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5047 SendToICS(ics_prefix);
5048 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5052 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5057 if (rf == DROP_RANK) {
5058 sprintf(move, "%c@%c%c\n",
5059 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5061 if (promoChar == 'x' || promoChar == NULLCHAR) {
5062 sprintf(move, "%c%c%c%c\n",
5063 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5065 sprintf(move, "%c%c%c%c%c\n",
5066 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5072 ProcessICSInitScript(f)
5077 while (fgets(buf, MSG_SIZ, f)) {
5078 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5085 static int lastX, lastY, selectFlag, dragging;
5090 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5091 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5092 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5093 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5094 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5095 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5098 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5099 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5100 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5101 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5103 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5104 appData.testLegality && (promoSweep == king ||
5105 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5106 ChangeDragPiece(promoSweep);
5109 int PromoScroll(int x, int y)
5113 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5114 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5115 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5116 if(!step) return FALSE;
5117 lastX = x; lastY = y;
5118 if((promoSweep < BlackPawn) == flipView) step = -step;
5119 if(step > 0) selectFlag = 1;
5120 if(!selectFlag) Sweep(step);
5127 ChessSquare piece = boards[currentMove][toY][toX];
5130 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5131 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5132 if(!step) step = -1;
5133 } while(PieceToChar(pieceSweep) == '.');
5134 boards[currentMove][toY][toX] = pieceSweep;
5135 DrawPosition(FALSE, boards[currentMove]);
5136 boards[currentMove][toY][toX] = piece;
5138 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5140 AlphaRank(char *move, int n)
5142 // char *p = move, c; int x, y;
5144 if (appData.debugMode) {
5145 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5149 move[2]>='0' && move[2]<='9' &&
5150 move[3]>='a' && move[3]<='x' ) {
5152 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5153 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5155 if(move[0]>='0' && move[0]<='9' &&
5156 move[1]>='a' && move[1]<='x' &&
5157 move[2]>='0' && move[2]<='9' &&
5158 move[3]>='a' && move[3]<='x' ) {
5159 /* input move, Shogi -> normal */
5160 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5161 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5162 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5163 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5166 move[3]>='0' && move[3]<='9' &&
5167 move[2]>='a' && move[2]<='x' ) {
5169 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5170 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5173 move[0]>='a' && move[0]<='x' &&
5174 move[3]>='0' && move[3]<='9' &&
5175 move[2]>='a' && move[2]<='x' ) {
5176 /* output move, normal -> Shogi */
5177 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5178 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5179 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5180 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5181 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5183 if (appData.debugMode) {
5184 fprintf(debugFP, " out = '%s'\n", move);
5188 char yy_textstr[8000];
5190 /* Parser for moves from gnuchess, ICS, or user typein box */
5192 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5195 ChessMove *moveType;
5196 int *fromX, *fromY, *toX, *toY;
5199 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5201 switch (*moveType) {
5202 case WhitePromotion:
5203 case BlackPromotion:
5204 case WhiteNonPromotion:
5205 case BlackNonPromotion:
5207 case WhiteCapturesEnPassant:
5208 case BlackCapturesEnPassant:
5209 case WhiteKingSideCastle:
5210 case WhiteQueenSideCastle:
5211 case BlackKingSideCastle:
5212 case BlackQueenSideCastle:
5213 case WhiteKingSideCastleWild:
5214 case WhiteQueenSideCastleWild:
5215 case BlackKingSideCastleWild:
5216 case BlackQueenSideCastleWild:
5217 /* Code added by Tord: */
5218 case WhiteHSideCastleFR:
5219 case WhiteASideCastleFR:
5220 case BlackHSideCastleFR:
5221 case BlackASideCastleFR:
5222 /* End of code added by Tord */
5223 case IllegalMove: /* bug or odd chess variant */
5224 *fromX = currentMoveString[0] - AAA;
5225 *fromY = currentMoveString[1] - ONE;
5226 *toX = currentMoveString[2] - AAA;
5227 *toY = currentMoveString[3] - ONE;
5228 *promoChar = currentMoveString[4];
5229 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5230 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5231 if (appData.debugMode) {
5232 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5234 *fromX = *fromY = *toX = *toY = 0;
5237 if (appData.testLegality) {
5238 return (*moveType != IllegalMove);
5240 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5241 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5246 *fromX = *moveType == WhiteDrop ?
5247 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5248 (int) CharToPiece(ToLower(currentMoveString[0]));
5250 *toX = currentMoveString[2] - AAA;
5251 *toY = currentMoveString[3] - ONE;
5252 *promoChar = NULLCHAR;
5256 case ImpossibleMove:
5266 if (appData.debugMode) {
5267 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5270 *fromX = *fromY = *toX = *toY = 0;
5271 *promoChar = NULLCHAR;
5276 Boolean pushed = FALSE;
5279 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5280 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5281 int fromX, fromY, toX, toY; char promoChar;
5286 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5287 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5290 endPV = forwardMostMove;
5292 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5293 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5294 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5295 if(appData.debugMode){
5296 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);
5298 if(!valid && nr == 0 &&
5299 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5300 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5301 // Hande case where played move is different from leading PV move
5302 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5303 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5304 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5305 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5306 endPV += 2; // if position different, keep this
5307 moveList[endPV-1][0] = fromX + AAA;
5308 moveList[endPV-1][1] = fromY + ONE;
5309 moveList[endPV-1][2] = toX + AAA;
5310 moveList[endPV-1][3] = toY + ONE;
5311 parseList[endPV-1][0] = NULLCHAR;
5312 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5315 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5316 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5317 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5318 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5319 valid++; // allow comments in PV
5323 if(endPV+1 > framePtr) break; // no space, truncate
5326 CopyBoard(boards[endPV], boards[endPV-1]);
5327 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5328 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5329 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5330 CoordsToAlgebraic(boards[endPV - 1],
5331 PosFlags(endPV - 1),
5332 fromY, fromX, toY, toX, promoChar,
5333 parseList[endPV - 1]);
5335 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5336 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5337 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5338 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5339 DrawPosition(TRUE, boards[currentMove]);
5343 MultiPV(ChessProgramState *cps)
5344 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5346 for(i=0; i<cps->nrOptions; i++)
5347 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5353 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5355 int startPV, multi, lineStart, origIndex = index;
5356 char *p, buf2[MSG_SIZ];
5358 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5359 lastX = x; lastY = y;
5360 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5361 lineStart = startPV = index;
5362 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5363 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5365 do{ while(buf[index] && buf[index] != '\n') index++;
5366 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5368 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5369 int n = first.option[multi].value;
5370 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5371 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5372 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5373 first.option[multi].value = n;
5377 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5378 *start = startPV; *end = index-1;
5383 LoadPV(int x, int y)
5384 { // called on right mouse click to load PV
5385 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5386 lastX = x; lastY = y;
5387 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5394 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5395 if(endPV < 0) return;
5397 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5398 Boolean saveAnimate = appData.animate;
5400 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5401 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5402 } else storedGames--; // abandon shelved tail of original game
5405 forwardMostMove = currentMove;
5406 currentMove = oldFMM;
5407 appData.animate = FALSE;
5408 ToNrEvent(forwardMostMove);
5409 appData.animate = saveAnimate;
5411 currentMove = forwardMostMove;
5412 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5413 ClearPremoveHighlights();
5414 DrawPosition(TRUE, boards[currentMove]);
5418 MovePV(int x, int y, int h)
5419 { // step through PV based on mouse coordinates (called on mouse move)
5420 int margin = h>>3, step = 0;
5422 // we must somehow check if right button is still down (might be released off board!)
5423 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5424 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5425 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5427 lastX = x; lastY = y;
5429 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5430 if(endPV < 0) return;
5431 if(y < margin) step = 1; else
5432 if(y > h - margin) step = -1;
5433 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5434 currentMove += step;
5435 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5436 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5437 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5438 DrawPosition(FALSE, boards[currentMove]);
5442 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5443 // All positions will have equal probability, but the current method will not provide a unique
5444 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5450 int piecesLeft[(int)BlackPawn];
5451 int seed, nrOfShuffles;
5453 void GetPositionNumber()
5454 { // sets global variable seed
5457 seed = appData.defaultFrcPosition;
5458 if(seed < 0) { // randomize based on time for negative FRC position numbers
5459 for(i=0; i<50; i++) seed += random();
5460 seed = random() ^ random() >> 8 ^ random() << 8;
5461 if(seed<0) seed = -seed;
5465 int put(Board board, int pieceType, int rank, int n, int shade)
5466 // put the piece on the (n-1)-th empty squares of the given shade
5470 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5471 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5472 board[rank][i] = (ChessSquare) pieceType;
5473 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5475 piecesLeft[pieceType]--;
5483 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5484 // calculate where the next piece goes, (any empty square), and put it there
5488 i = seed % squaresLeft[shade];
5489 nrOfShuffles *= squaresLeft[shade];
5490 seed /= squaresLeft[shade];
5491 put(board, pieceType, rank, i, shade);
5494 void AddTwoPieces(Board board, int pieceType, int rank)
5495 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5497 int i, n=squaresLeft[ANY], j=n-1, k;
5499 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5500 i = seed % k; // pick one
5503 while(i >= j) i -= j--;
5504 j = n - 1 - j; i += j;
5505 put(board, pieceType, rank, j, ANY);
5506 put(board, pieceType, rank, i, ANY);
5509 void SetUpShuffle(Board board, int number)
5513 GetPositionNumber(); nrOfShuffles = 1;
5515 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5516 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5517 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5519 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5521 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5522 p = (int) board[0][i];
5523 if(p < (int) BlackPawn) piecesLeft[p] ++;
5524 board[0][i] = EmptySquare;
5527 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5528 // shuffles restricted to allow normal castling put KRR first
5529 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5530 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5531 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5532 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5533 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5534 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5535 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5536 put(board, WhiteRook, 0, 0, ANY);
5537 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5540 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5541 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5542 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5543 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5544 while(piecesLeft[p] >= 2) {
5545 AddOnePiece(board, p, 0, LITE);
5546 AddOnePiece(board, p, 0, DARK);
5548 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5551 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5552 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5553 // but we leave King and Rooks for last, to possibly obey FRC restriction
5554 if(p == (int)WhiteRook) continue;
5555 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5556 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5559 // now everything is placed, except perhaps King (Unicorn) and Rooks
5561 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5562 // Last King gets castling rights
5563 while(piecesLeft[(int)WhiteUnicorn]) {
5564 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5565 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5568 while(piecesLeft[(int)WhiteKing]) {
5569 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5570 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5575 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5576 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5579 // Only Rooks can be left; simply place them all
5580 while(piecesLeft[(int)WhiteRook]) {
5581 i = put(board, WhiteRook, 0, 0, ANY);
5582 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5585 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5587 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5590 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5591 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5594 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5597 int SetCharTable( char *table, const char * map )
5598 /* [HGM] moved here from winboard.c because of its general usefulness */
5599 /* Basically a safe strcpy that uses the last character as King */
5601 int result = FALSE; int NrPieces;
5603 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5604 && NrPieces >= 12 && !(NrPieces&1)) {
5605 int i; /* [HGM] Accept even length from 12 to 34 */
5607 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5608 for( i=0; i<NrPieces/2-1; i++ ) {
5610 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5612 table[(int) WhiteKing] = map[NrPieces/2-1];
5613 table[(int) BlackKing] = map[NrPieces-1];
5621 void Prelude(Board board)
5622 { // [HGM] superchess: random selection of exo-pieces
5623 int i, j, k; ChessSquare p;
5624 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5626 GetPositionNumber(); // use FRC position number
5628 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5629 SetCharTable(pieceToChar, appData.pieceToCharTable);
5630 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5631 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5634 j = seed%4; seed /= 4;
5635 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5636 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5637 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5638 j = seed%3 + (seed%3 >= j); seed /= 3;
5639 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5640 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5641 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5642 j = seed%3; seed /= 3;
5643 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5644 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5645 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5646 j = seed%2 + (seed%2 >= j); seed /= 2;
5647 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5648 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5649 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5650 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5651 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5652 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5653 put(board, exoPieces[0], 0, 0, ANY);
5654 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5658 InitPosition(redraw)
5661 ChessSquare (* pieces)[BOARD_FILES];
5662 int i, j, pawnRow, overrule,
5663 oldx = gameInfo.boardWidth,
5664 oldy = gameInfo.boardHeight,
5665 oldh = gameInfo.holdingsWidth;
5668 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5670 /* [AS] Initialize pv info list [HGM] and game status */
5672 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5673 pvInfoList[i].depth = 0;
5674 boards[i][EP_STATUS] = EP_NONE;
5675 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5678 initialRulePlies = 0; /* 50-move counter start */
5680 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5681 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5685 /* [HGM] logic here is completely changed. In stead of full positions */
5686 /* the initialized data only consist of the two backranks. The switch */
5687 /* selects which one we will use, which is than copied to the Board */
5688 /* initialPosition, which for the rest is initialized by Pawns and */
5689 /* empty squares. This initial position is then copied to boards[0], */
5690 /* possibly after shuffling, so that it remains available. */
5692 gameInfo.holdingsWidth = 0; /* default board sizes */
5693 gameInfo.boardWidth = 8;
5694 gameInfo.boardHeight = 8;
5695 gameInfo.holdingsSize = 0;
5696 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5697 for(i=0; i<BOARD_FILES-2; i++)
5698 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5699 initialPosition[EP_STATUS] = EP_NONE;
5700 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5701 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5702 SetCharTable(pieceNickName, appData.pieceNickNames);
5703 else SetCharTable(pieceNickName, "............");
5706 switch (gameInfo.variant) {
5707 case VariantFischeRandom:
5708 shuffleOpenings = TRUE;
5711 case VariantShatranj:
5712 pieces = ShatranjArray;
5713 nrCastlingRights = 0;
5714 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5717 pieces = makrukArray;
5718 nrCastlingRights = 0;
5719 startedFromSetupPosition = TRUE;
5720 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5722 case VariantTwoKings:
5723 pieces = twoKingsArray;
5725 case VariantCapaRandom:
5726 shuffleOpenings = TRUE;
5727 case VariantCapablanca:
5728 pieces = CapablancaArray;
5729 gameInfo.boardWidth = 10;
5730 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5733 pieces = GothicArray;
5734 gameInfo.boardWidth = 10;
5735 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5738 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5739 gameInfo.holdingsSize = 7;
5742 pieces = JanusArray;
5743 gameInfo.boardWidth = 10;
5744 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5745 nrCastlingRights = 6;
5746 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5747 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5748 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5749 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5750 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5751 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5754 pieces = FalconArray;
5755 gameInfo.boardWidth = 10;
5756 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5758 case VariantXiangqi:
5759 pieces = XiangqiArray;
5760 gameInfo.boardWidth = 9;
5761 gameInfo.boardHeight = 10;
5762 nrCastlingRights = 0;
5763 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5766 pieces = ShogiArray;
5767 gameInfo.boardWidth = 9;
5768 gameInfo.boardHeight = 9;
5769 gameInfo.holdingsSize = 7;
5770 nrCastlingRights = 0;
5771 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5773 case VariantCourier:
5774 pieces = CourierArray;
5775 gameInfo.boardWidth = 12;
5776 nrCastlingRights = 0;
5777 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5779 case VariantKnightmate:
5780 pieces = KnightmateArray;
5781 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5783 case VariantSpartan:
5784 pieces = SpartanArray;
5785 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5788 pieces = fairyArray;
5789 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5792 pieces = GreatArray;
5793 gameInfo.boardWidth = 10;
5794 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5795 gameInfo.holdingsSize = 8;
5799 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5800 gameInfo.holdingsSize = 8;
5801 startedFromSetupPosition = TRUE;
5803 case VariantCrazyhouse:
5804 case VariantBughouse:
5806 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5807 gameInfo.holdingsSize = 5;
5809 case VariantWildCastle:
5811 /* !!?shuffle with kings guaranteed to be on d or e file */
5812 shuffleOpenings = 1;
5814 case VariantNoCastle:
5816 nrCastlingRights = 0;
5817 /* !!?unconstrained back-rank shuffle */
5818 shuffleOpenings = 1;
5823 if(appData.NrFiles >= 0) {
5824 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5825 gameInfo.boardWidth = appData.NrFiles;
5827 if(appData.NrRanks >= 0) {
5828 gameInfo.boardHeight = appData.NrRanks;
5830 if(appData.holdingsSize >= 0) {
5831 i = appData.holdingsSize;
5832 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5833 gameInfo.holdingsSize = i;
5835 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5836 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5837 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5839 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5840 if(pawnRow < 1) pawnRow = 1;
5841 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5843 /* User pieceToChar list overrules defaults */
5844 if(appData.pieceToCharTable != NULL)
5845 SetCharTable(pieceToChar, appData.pieceToCharTable);
5847 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5849 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5850 s = (ChessSquare) 0; /* account holding counts in guard band */
5851 for( i=0; i<BOARD_HEIGHT; i++ )
5852 initialPosition[i][j] = s;
5854 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5855 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5856 initialPosition[pawnRow][j] = WhitePawn;
5857 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5858 if(gameInfo.variant == VariantXiangqi) {
5860 initialPosition[pawnRow][j] =
5861 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5862 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5863 initialPosition[2][j] = WhiteCannon;
5864 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5868 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5870 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5873 initialPosition[1][j] = WhiteBishop;
5874 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5876 initialPosition[1][j] = WhiteRook;
5877 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5880 if( nrCastlingRights == -1) {
5881 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5882 /* This sets default castling rights from none to normal corners */
5883 /* Variants with other castling rights must set them themselves above */
5884 nrCastlingRights = 6;
5886 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5887 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5888 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5889 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5890 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5891 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5894 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5895 if(gameInfo.variant == VariantGreat) { // promotion commoners
5896 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5897 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5898 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5899 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5901 if( gameInfo.variant == VariantSChess ) {
5902 initialPosition[1][0] = BlackMarshall;
5903 initialPosition[2][0] = BlackAngel;
5904 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5905 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5906 initialPosition[1][1] = initialPosition[2][1] =
5907 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5909 if (appData.debugMode) {
5910 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5912 if(shuffleOpenings) {
5913 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5914 startedFromSetupPosition = TRUE;
5916 if(startedFromPositionFile) {
5917 /* [HGM] loadPos: use PositionFile for every new game */
5918 CopyBoard(initialPosition, filePosition);
5919 for(i=0; i<nrCastlingRights; i++)
5920 initialRights[i] = filePosition[CASTLING][i];
5921 startedFromSetupPosition = TRUE;
5924 CopyBoard(boards[0], initialPosition);
5926 if(oldx != gameInfo.boardWidth ||
5927 oldy != gameInfo.boardHeight ||
5928 oldv != gameInfo.variant ||
5929 oldh != gameInfo.holdingsWidth
5931 InitDrawingSizes(-2 ,0);
5933 oldv = gameInfo.variant;
5935 DrawPosition(TRUE, boards[currentMove]);
5939 SendBoard(cps, moveNum)
5940 ChessProgramState *cps;
5943 char message[MSG_SIZ];
5945 if (cps->useSetboard) {
5946 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5947 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5948 SendToProgram(message, cps);
5954 /* Kludge to set black to move, avoiding the troublesome and now
5955 * deprecated "black" command.
5957 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5958 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5960 SendToProgram("edit\n", cps);
5961 SendToProgram("#\n", cps);
5962 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5963 bp = &boards[moveNum][i][BOARD_LEFT];
5964 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5965 if ((int) *bp < (int) BlackPawn) {
5966 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5968 if(message[0] == '+' || message[0] == '~') {
5969 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5970 PieceToChar((ChessSquare)(DEMOTED *bp)),
5973 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5974 message[1] = BOARD_RGHT - 1 - j + '1';
5975 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5977 SendToProgram(message, cps);
5982 SendToProgram("c\n", cps);
5983 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5984 bp = &boards[moveNum][i][BOARD_LEFT];
5985 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5986 if (((int) *bp != (int) EmptySquare)
5987 && ((int) *bp >= (int) BlackPawn)) {
5988 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5990 if(message[0] == '+' || message[0] == '~') {
5991 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5992 PieceToChar((ChessSquare)(DEMOTED *bp)),
5995 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5996 message[1] = BOARD_RGHT - 1 - j + '1';
5997 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5999 SendToProgram(message, cps);
6004 SendToProgram(".\n", cps);
6006 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6010 DefaultPromoChoice(int white)
6013 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6014 result = WhiteFerz; // no choice
6015 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6016 result= WhiteKing; // in Suicide Q is the last thing we want
6017 else if(gameInfo.variant == VariantSpartan)
6018 result = white ? WhiteQueen : WhiteAngel;
6019 else result = WhiteQueen;
6020 if(!white) result = WHITE_TO_BLACK result;
6024 static int autoQueen; // [HGM] oneclick
6027 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
6029 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6030 /* [HGM] add Shogi promotions */
6031 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6036 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6037 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6039 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6040 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6043 piece = boards[currentMove][fromY][fromX];
6044 if(gameInfo.variant == VariantShogi) {
6045 promotionZoneSize = BOARD_HEIGHT/3;
6046 highestPromotingPiece = (int)WhiteFerz;
6047 } else if(gameInfo.variant == VariantMakruk) {
6048 promotionZoneSize = 3;
6051 // Treat Lance as Pawn when it is not representing Amazon
6052 if(gameInfo.variant != VariantSuper) {
6053 if(piece == WhiteLance) piece = WhitePawn; else
6054 if(piece == BlackLance) piece = BlackPawn;
6057 // next weed out all moves that do not touch the promotion zone at all
6058 if((int)piece >= BlackPawn) {
6059 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6061 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6063 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6064 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6067 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6069 // weed out mandatory Shogi promotions
6070 if(gameInfo.variant == VariantShogi) {
6071 if(piece >= BlackPawn) {
6072 if(toY == 0 && piece == BlackPawn ||
6073 toY == 0 && piece == BlackQueen ||
6074 toY <= 1 && piece == BlackKnight) {
6079 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6080 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6081 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6088 // weed out obviously illegal Pawn moves
6089 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6090 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6091 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6092 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6093 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6094 // note we are not allowed to test for valid (non-)capture, due to premove
6097 // we either have a choice what to promote to, or (in Shogi) whether to promote
6098 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6099 *promoChoice = PieceToChar(BlackFerz); // no choice
6102 // no sense asking what we must promote to if it is going to explode...
6103 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6104 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6107 // give caller the default choice even if we will not make it
6108 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6109 if(gameInfo.variant == VariantShogi) *promoChoice = '+';
6110 if(appData.sweepSelect && gameInfo.variant != VariantGreat
6111 && gameInfo.variant != VariantShogi
6112 && gameInfo.variant != VariantSuper) return FALSE;
6113 if(autoQueen) return FALSE; // predetermined
6115 // suppress promotion popup on illegal moves that are not premoves
6116 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6117 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6118 if(appData.testLegality && !premove) {
6119 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6120 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6121 if(moveType != WhitePromotion && moveType != BlackPromotion)
6129 InPalace(row, column)
6131 { /* [HGM] for Xiangqi */
6132 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6133 column < (BOARD_WIDTH + 4)/2 &&
6134 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6139 PieceForSquare (x, y)
6143 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6146 return boards[currentMove][y][x];
6150 OKToStartUserMove(x, y)
6153 ChessSquare from_piece;
6156 if (matchMode) return FALSE;
6157 if (gameMode == EditPosition) return TRUE;
6159 if (x >= 0 && y >= 0)
6160 from_piece = boards[currentMove][y][x];
6162 from_piece = EmptySquare;
6164 if (from_piece == EmptySquare) return FALSE;
6166 white_piece = (int)from_piece >= (int)WhitePawn &&
6167 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6170 case PlayFromGameFile:
6172 case TwoMachinesPlay:
6180 case MachinePlaysWhite:
6181 case IcsPlayingBlack:
6182 if (appData.zippyPlay) return FALSE;
6184 DisplayMoveError(_("You are playing Black"));
6189 case MachinePlaysBlack:
6190 case IcsPlayingWhite:
6191 if (appData.zippyPlay) return FALSE;
6193 DisplayMoveError(_("You are playing White"));
6199 if (!white_piece && WhiteOnMove(currentMove)) {
6200 DisplayMoveError(_("It is White's turn"));
6203 if (white_piece && !WhiteOnMove(currentMove)) {
6204 DisplayMoveError(_("It is Black's turn"));
6207 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6208 /* Editing correspondence game history */
6209 /* Could disallow this or prompt for confirmation */
6214 case BeginningOfGame:
6215 if (appData.icsActive) return FALSE;
6216 if (!appData.noChessProgram) {
6218 DisplayMoveError(_("You are playing White"));
6225 if (!white_piece && WhiteOnMove(currentMove)) {
6226 DisplayMoveError(_("It is White's turn"));
6229 if (white_piece && !WhiteOnMove(currentMove)) {
6230 DisplayMoveError(_("It is Black's turn"));
6239 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6240 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6241 && gameMode != AnalyzeFile && gameMode != Training) {
6242 DisplayMoveError(_("Displayed position is not current"));
6249 OnlyMove(int *x, int *y, Boolean captures) {
6250 DisambiguateClosure cl;
6251 if (appData.zippyPlay) return FALSE;
6253 case MachinePlaysBlack:
6254 case IcsPlayingWhite:
6255 case BeginningOfGame:
6256 if(!WhiteOnMove(currentMove)) return FALSE;
6258 case MachinePlaysWhite:
6259 case IcsPlayingBlack:
6260 if(WhiteOnMove(currentMove)) return FALSE;
6267 cl.pieceIn = EmptySquare;
6272 cl.promoCharIn = NULLCHAR;
6273 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6274 if( cl.kind == NormalMove ||
6275 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6276 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6277 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6284 if(cl.kind != ImpossibleMove) return FALSE;
6285 cl.pieceIn = EmptySquare;
6290 cl.promoCharIn = NULLCHAR;
6291 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6292 if( cl.kind == NormalMove ||
6293 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6294 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6295 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6300 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6306 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6307 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6308 int lastLoadGameUseList = FALSE;
6309 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6310 ChessMove lastLoadGameStart = EndOfFile;
6313 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6314 int fromX, fromY, toX, toY;
6318 ChessSquare pdown, pup;
6320 /* Check if the user is playing in turn. This is complicated because we
6321 let the user "pick up" a piece before it is his turn. So the piece he
6322 tried to pick up may have been captured by the time he puts it down!
6323 Therefore we use the color the user is supposed to be playing in this
6324 test, not the color of the piece that is currently on the starting
6325 square---except in EditGame mode, where the user is playing both
6326 sides; fortunately there the capture race can't happen. (It can
6327 now happen in IcsExamining mode, but that's just too bad. The user
6328 will get a somewhat confusing message in that case.)
6332 case PlayFromGameFile:
6334 case TwoMachinesPlay:
6338 /* We switched into a game mode where moves are not accepted,
6339 perhaps while the mouse button was down. */
6342 case MachinePlaysWhite:
6343 /* User is moving for Black */
6344 if (WhiteOnMove(currentMove)) {
6345 DisplayMoveError(_("It is White's turn"));
6350 case MachinePlaysBlack:
6351 /* User is moving for White */
6352 if (!WhiteOnMove(currentMove)) {
6353 DisplayMoveError(_("It is Black's turn"));
6360 case BeginningOfGame:
6363 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6364 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6365 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6366 /* User is moving for Black */
6367 if (WhiteOnMove(currentMove)) {
6368 DisplayMoveError(_("It is White's turn"));
6372 /* User is moving for White */
6373 if (!WhiteOnMove(currentMove)) {
6374 DisplayMoveError(_("It is Black's turn"));
6380 case IcsPlayingBlack:
6381 /* User is moving for Black */
6382 if (WhiteOnMove(currentMove)) {
6383 if (!appData.premove) {
6384 DisplayMoveError(_("It is White's turn"));
6385 } else if (toX >= 0 && toY >= 0) {
6388 premoveFromX = fromX;
6389 premoveFromY = fromY;
6390 premovePromoChar = promoChar;
6392 if (appData.debugMode)
6393 fprintf(debugFP, "Got premove: fromX %d,"
6394 "fromY %d, toX %d, toY %d\n",
6395 fromX, fromY, toX, toY);
6401 case IcsPlayingWhite:
6402 /* User is moving for White */
6403 if (!WhiteOnMove(currentMove)) {
6404 if (!appData.premove) {
6405 DisplayMoveError(_("It is Black's turn"));
6406 } else if (toX >= 0 && toY >= 0) {
6409 premoveFromX = fromX;
6410 premoveFromY = fromY;
6411 premovePromoChar = promoChar;
6413 if (appData.debugMode)
6414 fprintf(debugFP, "Got premove: fromX %d,"
6415 "fromY %d, toX %d, toY %d\n",
6416 fromX, fromY, toX, toY);
6426 /* EditPosition, empty square, or different color piece;
6427 click-click move is possible */
6428 if (toX == -2 || toY == -2) {
6429 boards[0][fromY][fromX] = EmptySquare;
6430 DrawPosition(FALSE, boards[currentMove]);
6432 } else if (toX >= 0 && toY >= 0) {
6433 boards[0][toY][toX] = boards[0][fromY][fromX];
6434 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6435 if(boards[0][fromY][0] != EmptySquare) {
6436 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6437 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6440 if(fromX == BOARD_RGHT+1) {
6441 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6442 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6443 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6446 boards[0][fromY][fromX] = EmptySquare;
6447 DrawPosition(FALSE, boards[currentMove]);
6453 if(toX < 0 || toY < 0) return;
6454 pdown = boards[currentMove][fromY][fromX];
6455 pup = boards[currentMove][toY][toX];
6457 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6458 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6459 if( pup != EmptySquare ) return;
6460 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6461 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6462 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6463 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6464 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6465 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6466 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6470 /* [HGM] always test for legality, to get promotion info */
6471 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6472 fromY, fromX, toY, toX, promoChar);
6473 /* [HGM] but possibly ignore an IllegalMove result */
6474 if (appData.testLegality) {
6475 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6476 DisplayMoveError(_("Illegal move"));
6481 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6484 /* Common tail of UserMoveEvent and DropMenuEvent */
6486 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6488 int fromX, fromY, toX, toY;
6489 /*char*/int promoChar;
6493 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6494 // [HGM] superchess: suppress promotions to non-available piece
6495 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6496 if(WhiteOnMove(currentMove)) {
6497 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6499 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6503 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6504 move type in caller when we know the move is a legal promotion */
6505 if(moveType == NormalMove && promoChar)
6506 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6508 /* [HGM] <popupFix> The following if has been moved here from
6509 UserMoveEvent(). Because it seemed to belong here (why not allow
6510 piece drops in training games?), and because it can only be
6511 performed after it is known to what we promote. */
6512 if (gameMode == Training) {
6513 /* compare the move played on the board to the next move in the
6514 * game. If they match, display the move and the opponent's response.
6515 * If they don't match, display an error message.
6519 CopyBoard(testBoard, boards[currentMove]);
6520 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6522 if (CompareBoards(testBoard, boards[currentMove+1])) {
6523 ForwardInner(currentMove+1);
6525 /* Autoplay the opponent's response.
6526 * if appData.animate was TRUE when Training mode was entered,
6527 * the response will be animated.
6529 saveAnimate = appData.animate;
6530 appData.animate = animateTraining;
6531 ForwardInner(currentMove+1);
6532 appData.animate = saveAnimate;
6534 /* check for the end of the game */
6535 if (currentMove >= forwardMostMove) {
6536 gameMode = PlayFromGameFile;
6538 SetTrainingModeOff();
6539 DisplayInformation(_("End of game"));
6542 DisplayError(_("Incorrect move"), 0);
6547 /* Ok, now we know that the move is good, so we can kill
6548 the previous line in Analysis Mode */
6549 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6550 && currentMove < forwardMostMove) {
6551 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6552 else forwardMostMove = currentMove;
6555 /* If we need the chess program but it's dead, restart it */
6556 ResurrectChessProgram();
6558 /* A user move restarts a paused game*/
6562 thinkOutput[0] = NULLCHAR;
6564 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6566 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6567 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6571 if (gameMode == BeginningOfGame) {
6572 if (appData.noChessProgram) {
6573 gameMode = EditGame;
6577 gameMode = MachinePlaysBlack;
6580 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6582 if (first.sendName) {
6583 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6584 SendToProgram(buf, &first);
6591 /* Relay move to ICS or chess engine */
6592 if (appData.icsActive) {
6593 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6594 gameMode == IcsExamining) {
6595 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6596 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6598 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6600 // also send plain move, in case ICS does not understand atomic claims
6601 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6605 if (first.sendTime && (gameMode == BeginningOfGame ||
6606 gameMode == MachinePlaysWhite ||
6607 gameMode == MachinePlaysBlack)) {
6608 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6610 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6611 // [HGM] book: if program might be playing, let it use book
6612 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6613 first.maybeThinking = TRUE;
6614 } else SendMoveToProgram(forwardMostMove-1, &first);
6615 if (currentMove == cmailOldMove + 1) {
6616 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6620 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6624 if(appData.testLegality)
6625 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6631 if (WhiteOnMove(currentMove)) {
6632 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6634 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6638 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6643 case MachinePlaysBlack:
6644 case MachinePlaysWhite:
6645 /* disable certain menu options while machine is thinking */
6646 SetMachineThinkingEnables();
6653 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6654 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6656 if(bookHit) { // [HGM] book: simulate book reply
6657 static char bookMove[MSG_SIZ]; // a bit generous?
6659 programStats.nodes = programStats.depth = programStats.time =
6660 programStats.score = programStats.got_only_move = 0;
6661 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6663 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6664 strcat(bookMove, bookHit);
6665 HandleMachineMove(bookMove, &first);
6671 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6678 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6679 Markers *m = (Markers *) closure;
6680 if(rf == fromY && ff == fromX)
6681 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6682 || kind == WhiteCapturesEnPassant
6683 || kind == BlackCapturesEnPassant);
6684 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6688 MarkTargetSquares(int clear)
6691 if(!appData.markers || !appData.highlightDragging ||
6692 !appData.testLegality || gameMode == EditPosition) return;
6694 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6697 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6698 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6699 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6701 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6704 DrawPosition(TRUE, NULL);
6708 Explode(Board board, int fromX, int fromY, int toX, int toY)
6710 if(gameInfo.variant == VariantAtomic &&
6711 (board[toY][toX] != EmptySquare || // capture?
6712 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6713 board[fromY][fromX] == BlackPawn )
6715 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6721 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6723 int CanPromote(ChessSquare piece, int y)
6725 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6726 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6727 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6728 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6729 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6730 gameInfo.variant == VariantMakruk) return FALSE;
6731 return (piece == BlackPawn && y == 1 ||
6732 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6733 piece == BlackLance && y == 1 ||
6734 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6737 void LeftClick(ClickType clickType, int xPix, int yPix)
6740 Boolean saveAnimate;
6741 static int second = 0, promotionChoice = 0, clearFlag = 0;
6742 char promoChoice = NULLCHAR;
6745 if(appData.seekGraph && appData.icsActive && loggedOn &&
6746 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6747 SeekGraphClick(clickType, xPix, yPix, 0);
6751 if (clickType == Press) ErrorPopDown();
6752 MarkTargetSquares(1);
6754 x = EventToSquare(xPix, BOARD_WIDTH);
6755 y = EventToSquare(yPix, BOARD_HEIGHT);
6756 if (!flipView && y >= 0) {
6757 y = BOARD_HEIGHT - 1 - y;
6759 if (flipView && x >= 0) {
6760 x = BOARD_WIDTH - 1 - x;
6763 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6764 defaultPromoChoice = promoSweep;
6765 promoSweep = EmptySquare; // terminate sweep
6766 promoDefaultAltered = TRUE;
6767 if(!selectFlag) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6770 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6771 if(clickType == Release) return; // ignore upclick of click-click destination
6772 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6773 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6774 if(gameInfo.holdingsWidth &&
6775 (WhiteOnMove(currentMove)
6776 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6777 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6778 // click in right holdings, for determining promotion piece
6779 ChessSquare p = boards[currentMove][y][x];
6780 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6781 if(p != EmptySquare) {
6782 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6787 DrawPosition(FALSE, boards[currentMove]);
6791 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6792 if(clickType == Press
6793 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6794 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6795 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6798 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6799 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6801 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6802 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6803 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6804 defaultPromoChoice = DefaultPromoChoice(side);
6807 autoQueen = appData.alwaysPromoteToQueen;
6811 gatingPiece = EmptySquare;
6812 if (clickType != Press) {
6813 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6814 DragPieceEnd(xPix, yPix); dragging = 0;
6815 DrawPosition(FALSE, NULL);
6819 fromX = x; fromY = y;
6820 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6821 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6822 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6824 if (OKToStartUserMove(fromX, fromY)) {
6826 MarkTargetSquares(0);
6827 DragPieceBegin(xPix, yPix); dragging = 1;
6828 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6829 promoSweep = defaultPromoChoice;
6830 selectFlag = 0; lastX = xPix; lastY = yPix;
6831 Sweep(0); // Pawn that is going to promote: preview promotion piece
6832 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6834 if (appData.highlightDragging) {
6835 SetHighlights(fromX, fromY, -1, -1);
6837 } else fromX = fromY = -1;
6843 if (clickType == Press && gameMode != EditPosition) {
6848 // ignore off-board to clicks
6849 if(y < 0 || x < 0) return;
6851 /* Check if clicking again on the same color piece */
6852 fromP = boards[currentMove][fromY][fromX];
6853 toP = boards[currentMove][y][x];
6854 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6855 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6856 WhitePawn <= toP && toP <= WhiteKing &&
6857 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6858 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6859 (BlackPawn <= fromP && fromP <= BlackKing &&
6860 BlackPawn <= toP && toP <= BlackKing &&
6861 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6862 !(fromP == BlackKing && toP == BlackRook && frc))) {
6863 /* Clicked again on same color piece -- changed his mind */
6864 second = (x == fromX && y == fromY);
6865 promoDefaultAltered = FALSE;
6866 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6867 if (appData.highlightDragging) {
6868 SetHighlights(x, y, -1, -1);
6872 if (OKToStartUserMove(x, y)) {
6873 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6874 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6875 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6876 gatingPiece = boards[currentMove][fromY][fromX];
6877 else gatingPiece = EmptySquare;
6879 fromY = y; dragging = 1;
6880 MarkTargetSquares(0);
6881 DragPieceBegin(xPix, yPix);
6882 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6883 promoSweep = defaultPromoChoice;
6884 selectFlag = 0; lastX = xPix; lastY = yPix;
6885 Sweep(0); // Pawn that is going to promote: preview promotion piece
6889 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6892 // ignore clicks on holdings
6893 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6896 if (clickType == Release && x == fromX && y == fromY) {
6897 DragPieceEnd(xPix, yPix); dragging = 0;
6899 // a deferred attempt to click-click move an empty square on top of a piece
6900 boards[currentMove][y][x] = EmptySquare;
6902 DrawPosition(FALSE, boards[currentMove]);
6903 fromX = fromY = -1; clearFlag = 0;
6906 if (appData.animateDragging) {
6907 /* Undo animation damage if any */
6908 DrawPosition(FALSE, NULL);
6911 /* Second up/down in same square; just abort move */
6914 gatingPiece = EmptySquare;
6917 ClearPremoveHighlights();
6919 /* First upclick in same square; start click-click mode */
6920 SetHighlights(x, y, -1, -1);
6927 /* we now have a different from- and (possibly off-board) to-square */
6928 /* Completed move */
6931 saveAnimate = appData.animate;
6932 if (clickType == Press) {
6933 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
6934 // must be Edit Position mode with empty-square selected
6935 fromX = x; fromY = y; DragPieceBegin(xPix, yPix); dragging = 1; // consider this a new attempt to drag
6936 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
6939 /* Finish clickclick move */
6940 if (appData.animate || appData.highlightLastMove) {
6941 SetHighlights(fromX, fromY, toX, toY);
6946 /* Finish drag move */
6947 if (appData.highlightLastMove) {
6948 SetHighlights(fromX, fromY, toX, toY);
6952 DragPieceEnd(xPix, yPix); dragging = 0;
6953 /* Don't animate move and drag both */
6954 appData.animate = FALSE;
6957 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6958 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6959 ChessSquare piece = boards[currentMove][fromY][fromX];
6960 if(gameMode == EditPosition && piece != EmptySquare &&
6961 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6964 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6965 n = PieceToNumber(piece - (int)BlackPawn);
6966 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6967 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6968 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6970 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6971 n = PieceToNumber(piece);
6972 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6973 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6974 boards[currentMove][n][BOARD_WIDTH-2]++;
6976 boards[currentMove][fromY][fromX] = EmptySquare;
6980 DrawPosition(TRUE, boards[currentMove]);
6984 // off-board moves should not be highlighted
6985 if(x < 0 || y < 0) ClearHighlights();
6987 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6989 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6990 SetHighlights(fromX, fromY, toX, toY);
6991 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6992 // [HGM] super: promotion to captured piece selected from holdings
6993 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6994 promotionChoice = TRUE;
6995 // kludge follows to temporarily execute move on display, without promoting yet
6996 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6997 boards[currentMove][toY][toX] = p;
6998 DrawPosition(FALSE, boards[currentMove]);
6999 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7000 boards[currentMove][toY][toX] = q;
7001 DisplayMessage("Click in holdings to choose piece", "");
7006 int oldMove = currentMove;
7007 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7008 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7009 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7010 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7011 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7012 DrawPosition(TRUE, boards[currentMove]);
7015 appData.animate = saveAnimate;
7016 if (appData.animate || appData.animateDragging) {
7017 /* Undo animation damage if needed */
7018 DrawPosition(FALSE, NULL);
7022 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7023 { // front-end-free part taken out of PieceMenuPopup
7024 int whichMenu; int xSqr, ySqr;
7026 if(seekGraphUp) { // [HGM] seekgraph
7027 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7028 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7032 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7033 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7034 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7035 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7036 if(action == Press) {
7037 originalFlip = flipView;
7038 flipView = !flipView; // temporarily flip board to see game from partners perspective
7039 DrawPosition(TRUE, partnerBoard);
7040 DisplayMessage(partnerStatus, "");
7042 } else if(action == Release) {
7043 flipView = originalFlip;
7044 DrawPosition(TRUE, boards[currentMove]);
7050 xSqr = EventToSquare(x, BOARD_WIDTH);
7051 ySqr = EventToSquare(y, BOARD_HEIGHT);
7052 if (action == Release) {
7053 if(pieceSweep != EmptySquare) {
7054 EditPositionMenuEvent(pieceSweep, toX, toY);
7055 pieceSweep = EmptySquare;
7056 } else UnLoadPV(); // [HGM] pv
7058 if (action != Press) return -2; // return code to be ignored
7061 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
7063 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
7064 if (xSqr < 0 || ySqr < 0) return -1;
7065 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7066 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7067 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7068 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7072 if(!appData.icsEngineAnalyze) return -1;
7073 case IcsPlayingWhite:
7074 case IcsPlayingBlack:
7075 if(!appData.zippyPlay) goto noZip;
7078 case MachinePlaysWhite:
7079 case MachinePlaysBlack:
7080 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7081 if (!appData.dropMenu) {
7083 return 2; // flag front-end to grab mouse events
7085 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7086 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7089 if (xSqr < 0 || ySqr < 0) return -1;
7090 if (!appData.dropMenu || appData.testLegality &&
7091 gameInfo.variant != VariantBughouse &&
7092 gameInfo.variant != VariantCrazyhouse) return -1;
7093 whichMenu = 1; // drop menu
7099 if (((*fromX = xSqr) < 0) ||
7100 ((*fromY = ySqr) < 0)) {
7101 *fromX = *fromY = -1;
7105 *fromX = BOARD_WIDTH - 1 - *fromX;
7107 *fromY = BOARD_HEIGHT - 1 - *fromY;
7112 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7114 // char * hint = lastHint;
7115 FrontEndProgramStats stats;
7117 stats.which = cps == &first ? 0 : 1;
7118 stats.depth = cpstats->depth;
7119 stats.nodes = cpstats->nodes;
7120 stats.score = cpstats->score;
7121 stats.time = cpstats->time;
7122 stats.pv = cpstats->movelist;
7123 stats.hint = lastHint;
7124 stats.an_move_index = 0;
7125 stats.an_move_count = 0;
7127 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7128 stats.hint = cpstats->move_name;
7129 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7130 stats.an_move_count = cpstats->nr_moves;
7133 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
7135 SetProgramStats( &stats );
7139 ClearEngineOutputPane(int which)
7141 static FrontEndProgramStats dummyStats;
7142 dummyStats.which = which;
7143 dummyStats.pv = "#";
7144 SetProgramStats( &dummyStats );
7147 #define MAXPLAYERS 500
7150 TourneyStandings(int display)
7152 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7153 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7154 char result, *p, *names[MAXPLAYERS];
7156 names[0] = p = strdup(appData.participants);
7157 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7159 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7161 while(result = appData.results[nr]) {
7162 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7163 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7164 wScore = bScore = 0;
7166 case '+': wScore = 2; break;
7167 case '-': bScore = 2; break;
7168 case '=': wScore = bScore = 1; break;
7170 case '*': return strdup("busy"); // tourney not finished
7178 if(appData.tourneyType < 0) return strdup("Swiss tourney finished"); // standings of Swiss yet TODO
7179 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7180 for(w=0; w<nPlayers; w++) {
7182 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7183 ranking[w] = b; points[w] = bScore; score[b] = -2;
7185 p = malloc(nPlayers*34+1);
7186 for(w=0; w<nPlayers && w<display; w++)
7187 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7193 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7194 { // count all piece types
7196 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7197 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7198 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7201 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7202 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7203 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7204 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7205 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7206 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7211 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7213 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7214 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7216 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7217 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7218 if(myPawns == 2 && nMine == 3) // KPP
7219 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7220 if(myPawns == 1 && nMine == 2) // KP
7221 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7222 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7223 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7224 if(myPawns) return FALSE;
7225 if(pCnt[WhiteRook+side])
7226 return pCnt[BlackRook-side] ||
7227 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7228 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7229 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7230 if(pCnt[WhiteCannon+side]) {
7231 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7232 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7234 if(pCnt[WhiteKnight+side])
7235 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7240 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7242 VariantClass v = gameInfo.variant;
7244 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7245 if(v == VariantShatranj) return TRUE; // always winnable through baring
7246 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7247 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7249 if(v == VariantXiangqi) {
7250 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7252 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7253 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7254 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7255 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7256 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7257 if(stale) // we have at least one last-rank P plus perhaps C
7258 return majors // KPKX
7259 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7261 return pCnt[WhiteFerz+side] // KCAK
7262 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7263 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7264 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7266 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7267 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7269 if(nMine == 1) return FALSE; // bare King
7270 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
7271 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7272 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7273 // by now we have King + 1 piece (or multiple Bishops on the same color)
7274 if(pCnt[WhiteKnight+side])
7275 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7276 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7277 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7279 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7280 if(pCnt[WhiteAlfil+side])
7281 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7282 if(pCnt[WhiteWazir+side])
7283 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7290 Adjudicate(ChessProgramState *cps)
7291 { // [HGM] some adjudications useful with buggy engines
7292 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7293 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7294 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7295 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7296 int k, count = 0; static int bare = 1;
7297 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7298 Boolean canAdjudicate = !appData.icsActive;
7300 // most tests only when we understand the game, i.e. legality-checking on
7301 if( appData.testLegality )
7302 { /* [HGM] Some more adjudications for obstinate engines */
7303 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7304 static int moveCount = 6;
7306 char *reason = NULL;
7308 /* Count what is on board. */
7309 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7311 /* Some material-based adjudications that have to be made before stalemate test */
7312 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7313 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7314 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7315 if(canAdjudicate && appData.checkMates) {
7317 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7318 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7319 "Xboard adjudication: King destroyed", GE_XBOARD );
7324 /* Bare King in Shatranj (loses) or Losers (wins) */
7325 if( nrW == 1 || nrB == 1) {
7326 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7327 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7328 if(canAdjudicate && appData.checkMates) {
7330 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7331 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7332 "Xboard adjudication: Bare king", GE_XBOARD );
7336 if( gameInfo.variant == VariantShatranj && --bare < 0)
7338 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7339 if(canAdjudicate && appData.checkMates) {
7340 /* but only adjudicate if adjudication enabled */
7342 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7343 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7344 "Xboard adjudication: Bare king", GE_XBOARD );
7351 // don't wait for engine to announce game end if we can judge ourselves
7352 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7354 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7355 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7356 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7357 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7360 reason = "Xboard adjudication: 3rd check";
7361 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7371 reason = "Xboard adjudication: Stalemate";
7372 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7373 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7374 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7375 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7376 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7377 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7378 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7379 EP_CHECKMATE : EP_WINS);
7380 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7381 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7385 reason = "Xboard adjudication: Checkmate";
7386 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7390 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7392 result = GameIsDrawn; break;
7394 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7396 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7400 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7402 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7403 GameEnds( result, reason, GE_XBOARD );
7407 /* Next absolutely insufficient mating material. */
7408 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7409 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7410 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7412 /* always flag draws, for judging claims */
7413 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7415 if(canAdjudicate && appData.materialDraws) {
7416 /* but only adjudicate them if adjudication enabled */
7417 if(engineOpponent) {
7418 SendToProgram("force\n", engineOpponent); // suppress reply
7419 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7421 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7426 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7427 if(gameInfo.variant == VariantXiangqi ?
7428 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7430 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7431 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7432 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7433 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7435 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7436 { /* if the first 3 moves do not show a tactical win, declare draw */
7437 if(engineOpponent) {
7438 SendToProgram("force\n", engineOpponent); // suppress reply
7439 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7441 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7444 } else moveCount = 6;
7446 if (appData.debugMode) { int i;
7447 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7448 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7449 appData.drawRepeats);
7450 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7451 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7455 // Repetition draws and 50-move rule can be applied independently of legality testing
7457 /* Check for rep-draws */
7459 for(k = forwardMostMove-2;
7460 k>=backwardMostMove && k>=forwardMostMove-100 &&
7461 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7462 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7465 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7466 /* compare castling rights */
7467 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7468 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7469 rights++; /* King lost rights, while rook still had them */
7470 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7471 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7472 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7473 rights++; /* but at least one rook lost them */
7475 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7476 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7478 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7479 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7480 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7483 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7484 && appData.drawRepeats > 1) {
7485 /* adjudicate after user-specified nr of repeats */
7486 int result = GameIsDrawn;
7487 char *details = "XBoard adjudication: repetition draw";
7488 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7489 // [HGM] xiangqi: check for forbidden perpetuals
7490 int m, ourPerpetual = 1, hisPerpetual = 1;
7491 for(m=forwardMostMove; m>k; m-=2) {
7492 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7493 ourPerpetual = 0; // the current mover did not always check
7494 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7495 hisPerpetual = 0; // the opponent did not always check
7497 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7498 ourPerpetual, hisPerpetual);
7499 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7500 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7501 details = "Xboard adjudication: perpetual checking";
7503 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7504 break; // (or we would have caught him before). Abort repetition-checking loop.
7506 // Now check for perpetual chases
7507 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7508 hisPerpetual = PerpetualChase(k, forwardMostMove);
7509 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7510 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7511 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7512 details = "Xboard adjudication: perpetual chasing";
7514 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7515 break; // Abort repetition-checking loop.
7517 // if neither of us is checking or chasing all the time, or both are, it is draw
7519 if(engineOpponent) {
7520 SendToProgram("force\n", engineOpponent); // suppress reply
7521 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7523 GameEnds( result, details, GE_XBOARD );
7526 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7527 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7531 /* Now we test for 50-move draws. Determine ply count */
7532 count = forwardMostMove;
7533 /* look for last irreversble move */
7534 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7536 /* if we hit starting position, add initial plies */
7537 if( count == backwardMostMove )
7538 count -= initialRulePlies;
7539 count = forwardMostMove - count;
7540 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7541 // adjust reversible move counter for checks in Xiangqi
7542 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7543 if(i < backwardMostMove) i = backwardMostMove;
7544 while(i <= forwardMostMove) {
7545 lastCheck = inCheck; // check evasion does not count
7546 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7547 if(inCheck || lastCheck) count--; // check does not count
7552 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7553 /* this is used to judge if draw claims are legal */
7554 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7555 if(engineOpponent) {
7556 SendToProgram("force\n", engineOpponent); // suppress reply
7557 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7559 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7563 /* if draw offer is pending, treat it as a draw claim
7564 * when draw condition present, to allow engines a way to
7565 * claim draws before making their move to avoid a race
7566 * condition occurring after their move
7568 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7570 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7571 p = "Draw claim: 50-move rule";
7572 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7573 p = "Draw claim: 3-fold repetition";
7574 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7575 p = "Draw claim: insufficient mating material";
7576 if( p != NULL && canAdjudicate) {
7577 if(engineOpponent) {
7578 SendToProgram("force\n", engineOpponent); // suppress reply
7579 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7581 GameEnds( GameIsDrawn, p, GE_XBOARD );
7586 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7587 if(engineOpponent) {
7588 SendToProgram("force\n", engineOpponent); // suppress reply
7589 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7591 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7597 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7598 { // [HGM] book: this routine intercepts moves to simulate book replies
7599 char *bookHit = NULL;
7601 //first determine if the incoming move brings opponent into his book
7602 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7603 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7604 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7605 if(bookHit != NULL && !cps->bookSuspend) {
7606 // make sure opponent is not going to reply after receiving move to book position
7607 SendToProgram("force\n", cps);
7608 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7610 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7611 // now arrange restart after book miss
7613 // after a book hit we never send 'go', and the code after the call to this routine
7614 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7615 char buf[MSG_SIZ], *move = bookHit;
7617 int fromX, fromY, toX, toY;
7621 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7622 &fromX, &fromY, &toX, &toY, &promoChar)) {
7623 (void) CoordsToAlgebraic(boards[forwardMostMove],
7624 PosFlags(forwardMostMove),
7625 fromY, fromX, toY, toX, promoChar, move);
7627 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7631 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7632 SendToProgram(buf, cps);
7633 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7634 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7635 SendToProgram("go\n", cps);
7636 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7637 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7638 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7639 SendToProgram("go\n", cps);
7640 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7642 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7646 ChessProgramState *savedState;
7647 void DeferredBookMove(void)
7649 if(savedState->lastPing != savedState->lastPong)
7650 ScheduleDelayedEvent(DeferredBookMove, 10);
7652 HandleMachineMove(savedMessage, savedState);
7655 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7658 HandleMachineMove(message, cps)
7660 ChessProgramState *cps;
7662 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7663 char realname[MSG_SIZ];
7664 int fromX, fromY, toX, toY;
7671 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7672 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7673 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7674 DisplayError(_("Invalid pairing from pairing engine"), 0);
7677 pairingReceived = 1;
7679 return; // Skim the pairing messages here.
7684 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7686 * Kludge to ignore BEL characters
7688 while (*message == '\007') message++;
7691 * [HGM] engine debug message: ignore lines starting with '#' character
7693 if(cps->debug && *message == '#') return;
7696 * Look for book output
7698 if (cps == &first && bookRequested) {
7699 if (message[0] == '\t' || message[0] == ' ') {
7700 /* Part of the book output is here; append it */
7701 strcat(bookOutput, message);
7702 strcat(bookOutput, " \n");
7704 } else if (bookOutput[0] != NULLCHAR) {
7705 /* All of book output has arrived; display it */
7706 char *p = bookOutput;
7707 while (*p != NULLCHAR) {
7708 if (*p == '\t') *p = ' ';
7711 DisplayInformation(bookOutput);
7712 bookRequested = FALSE;
7713 /* Fall through to parse the current output */
7718 * Look for machine move.
7720 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7721 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7723 /* This method is only useful on engines that support ping */
7724 if (cps->lastPing != cps->lastPong) {
7725 if (gameMode == BeginningOfGame) {
7726 /* Extra move from before last new; ignore */
7727 if (appData.debugMode) {
7728 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7731 if (appData.debugMode) {
7732 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7733 cps->which, gameMode);
7736 SendToProgram("undo\n", cps);
7742 case BeginningOfGame:
7743 /* Extra move from before last reset; ignore */
7744 if (appData.debugMode) {
7745 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7752 /* Extra move after we tried to stop. The mode test is
7753 not a reliable way of detecting this problem, but it's
7754 the best we can do on engines that don't support ping.
7756 if (appData.debugMode) {
7757 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7758 cps->which, gameMode);
7760 SendToProgram("undo\n", cps);
7763 case MachinePlaysWhite:
7764 case IcsPlayingWhite:
7765 machineWhite = TRUE;
7768 case MachinePlaysBlack:
7769 case IcsPlayingBlack:
7770 machineWhite = FALSE;
7773 case TwoMachinesPlay:
7774 machineWhite = (cps->twoMachinesColor[0] == 'w');
7777 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7778 if (appData.debugMode) {
7780 "Ignoring move out of turn by %s, gameMode %d"
7781 ", forwardMost %d\n",
7782 cps->which, gameMode, forwardMostMove);
7787 if (appData.debugMode) { int f = forwardMostMove;
7788 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7789 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7790 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7792 if(cps->alphaRank) AlphaRank(machineMove, 4);
7793 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7794 &fromX, &fromY, &toX, &toY, &promoChar)) {
7795 /* Machine move could not be parsed; ignore it. */
7796 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7797 machineMove, _(cps->which));
7798 DisplayError(buf1, 0);
7799 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7800 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7801 if (gameMode == TwoMachinesPlay) {
7802 GameEnds(machineWhite ? BlackWins : WhiteWins,
7808 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7809 /* So we have to redo legality test with true e.p. status here, */
7810 /* to make sure an illegal e.p. capture does not slip through, */
7811 /* to cause a forfeit on a justified illegal-move complaint */
7812 /* of the opponent. */
7813 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7815 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7816 fromY, fromX, toY, toX, promoChar);
7817 if (appData.debugMode) {
7819 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7820 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7821 fprintf(debugFP, "castling rights\n");
7823 if(moveType == IllegalMove) {
7824 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7825 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7826 GameEnds(machineWhite ? BlackWins : WhiteWins,
7829 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7830 /* [HGM] Kludge to handle engines that send FRC-style castling
7831 when they shouldn't (like TSCP-Gothic) */
7833 case WhiteASideCastleFR:
7834 case BlackASideCastleFR:
7836 currentMoveString[2]++;
7838 case WhiteHSideCastleFR:
7839 case BlackHSideCastleFR:
7841 currentMoveString[2]--;
7843 default: ; // nothing to do, but suppresses warning of pedantic compilers
7846 hintRequested = FALSE;
7847 lastHint[0] = NULLCHAR;
7848 bookRequested = FALSE;
7849 /* Program may be pondering now */
7850 cps->maybeThinking = TRUE;
7851 if (cps->sendTime == 2) cps->sendTime = 1;
7852 if (cps->offeredDraw) cps->offeredDraw--;
7854 /* [AS] Save move info*/
7855 pvInfoList[ forwardMostMove ].score = programStats.score;
7856 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7857 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7859 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7861 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7862 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7865 while( count < adjudicateLossPlies ) {
7866 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7869 score = -score; /* Flip score for winning side */
7872 if( score > adjudicateLossThreshold ) {
7879 if( count >= adjudicateLossPlies ) {
7880 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7882 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7883 "Xboard adjudication",
7890 if(Adjudicate(cps)) {
7891 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7892 return; // [HGM] adjudicate: for all automatic game ends
7896 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7898 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7899 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7901 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7903 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7905 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7906 char buf[3*MSG_SIZ];
7908 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7909 programStats.score / 100.,
7911 programStats.time / 100.,
7912 (unsigned int)programStats.nodes,
7913 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7914 programStats.movelist);
7916 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7921 /* [AS] Clear stats for next move */
7922 ClearProgramStats();
7923 thinkOutput[0] = NULLCHAR;
7924 hiddenThinkOutputState = 0;
7927 if (gameMode == TwoMachinesPlay) {
7928 /* [HGM] relaying draw offers moved to after reception of move */
7929 /* and interpreting offer as claim if it brings draw condition */
7930 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7931 SendToProgram("draw\n", cps->other);
7933 if (cps->other->sendTime) {
7934 SendTimeRemaining(cps->other,
7935 cps->other->twoMachinesColor[0] == 'w');
7937 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7938 if (firstMove && !bookHit) {
7940 if (cps->other->useColors) {
7941 SendToProgram(cps->other->twoMachinesColor, cps->other);
7943 SendToProgram("go\n", cps->other);
7945 cps->other->maybeThinking = TRUE;
7948 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7950 if (!pausing && appData.ringBellAfterMoves) {
7955 * Reenable menu items that were disabled while
7956 * machine was thinking
7958 if (gameMode != TwoMachinesPlay)
7959 SetUserThinkingEnables();
7961 // [HGM] book: after book hit opponent has received move and is now in force mode
7962 // force the book reply into it, and then fake that it outputted this move by jumping
7963 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7965 static char bookMove[MSG_SIZ]; // a bit generous?
7967 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7968 strcat(bookMove, bookHit);
7971 programStats.nodes = programStats.depth = programStats.time =
7972 programStats.score = programStats.got_only_move = 0;
7973 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7975 if(cps->lastPing != cps->lastPong) {
7976 savedMessage = message; // args for deferred call
7978 ScheduleDelayedEvent(DeferredBookMove, 10);
7987 /* Set special modes for chess engines. Later something general
7988 * could be added here; for now there is just one kludge feature,
7989 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7990 * when "xboard" is given as an interactive command.
7992 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7993 cps->useSigint = FALSE;
7994 cps->useSigterm = FALSE;
7996 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7997 ParseFeatures(message+8, cps);
7998 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8001 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8002 int dummy, s=6; char buf[MSG_SIZ];
8003 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8004 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8005 ParseFEN(boards[0], &dummy, message+s);
8006 DrawPosition(TRUE, boards[0]);
8007 startedFromSetupPosition = TRUE;
8010 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8011 * want this, I was asked to put it in, and obliged.
8013 if (!strncmp(message, "setboard ", 9)) {
8014 Board initial_position;
8016 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8018 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8019 DisplayError(_("Bad FEN received from engine"), 0);
8023 CopyBoard(boards[0], initial_position);
8024 initialRulePlies = FENrulePlies;
8025 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8026 else gameMode = MachinePlaysBlack;
8027 DrawPosition(FALSE, boards[currentMove]);
8033 * Look for communication commands
8035 if (!strncmp(message, "telluser ", 9)) {
8036 if(message[9] == '\\' && message[10] == '\\')
8037 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8038 DisplayNote(message + 9);
8041 if (!strncmp(message, "tellusererror ", 14)) {
8043 if(message[14] == '\\' && message[15] == '\\')
8044 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8045 DisplayError(message + 14, 0);
8048 if (!strncmp(message, "tellopponent ", 13)) {
8049 if (appData.icsActive) {
8051 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8055 DisplayNote(message + 13);
8059 if (!strncmp(message, "tellothers ", 11)) {
8060 if (appData.icsActive) {
8062 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8068 if (!strncmp(message, "tellall ", 8)) {
8069 if (appData.icsActive) {
8071 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8075 DisplayNote(message + 8);
8079 if (strncmp(message, "warning", 7) == 0) {
8080 /* Undocumented feature, use tellusererror in new code */
8081 DisplayError(message, 0);
8084 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8085 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8086 strcat(realname, " query");
8087 AskQuestion(realname, buf2, buf1, cps->pr);
8090 /* Commands from the engine directly to ICS. We don't allow these to be
8091 * sent until we are logged on. Crafty kibitzes have been known to
8092 * interfere with the login process.
8095 if (!strncmp(message, "tellics ", 8)) {
8096 SendToICS(message + 8);
8100 if (!strncmp(message, "tellicsnoalias ", 15)) {
8101 SendToICS(ics_prefix);
8102 SendToICS(message + 15);
8106 /* The following are for backward compatibility only */
8107 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8108 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8109 SendToICS(ics_prefix);
8115 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8119 * If the move is illegal, cancel it and redraw the board.
8120 * Also deal with other error cases. Matching is rather loose
8121 * here to accommodate engines written before the spec.
8123 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8124 strncmp(message, "Error", 5) == 0) {
8125 if (StrStr(message, "name") ||
8126 StrStr(message, "rating") || StrStr(message, "?") ||
8127 StrStr(message, "result") || StrStr(message, "board") ||
8128 StrStr(message, "bk") || StrStr(message, "computer") ||
8129 StrStr(message, "variant") || StrStr(message, "hint") ||
8130 StrStr(message, "random") || StrStr(message, "depth") ||
8131 StrStr(message, "accepted")) {
8134 if (StrStr(message, "protover")) {
8135 /* Program is responding to input, so it's apparently done
8136 initializing, and this error message indicates it is
8137 protocol version 1. So we don't need to wait any longer
8138 for it to initialize and send feature commands. */
8139 FeatureDone(cps, 1);
8140 cps->protocolVersion = 1;
8143 cps->maybeThinking = FALSE;
8145 if (StrStr(message, "draw")) {
8146 /* Program doesn't have "draw" command */
8147 cps->sendDrawOffers = 0;
8150 if (cps->sendTime != 1 &&
8151 (StrStr(message, "time") || StrStr(message, "otim"))) {
8152 /* Program apparently doesn't have "time" or "otim" command */
8156 if (StrStr(message, "analyze")) {
8157 cps->analysisSupport = FALSE;
8158 cps->analyzing = FALSE;
8160 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8161 DisplayError(buf2, 0);
8164 if (StrStr(message, "(no matching move)st")) {
8165 /* Special kludge for GNU Chess 4 only */
8166 cps->stKludge = TRUE;
8167 SendTimeControl(cps, movesPerSession, timeControl,
8168 timeIncrement, appData.searchDepth,
8172 if (StrStr(message, "(no matching move)sd")) {
8173 /* Special kludge for GNU Chess 4 only */
8174 cps->sdKludge = TRUE;
8175 SendTimeControl(cps, movesPerSession, timeControl,
8176 timeIncrement, appData.searchDepth,
8180 if (!StrStr(message, "llegal")) {
8183 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8184 gameMode == IcsIdle) return;
8185 if (forwardMostMove <= backwardMostMove) return;
8186 if (pausing) PauseEvent();
8187 if(appData.forceIllegal) {
8188 // [HGM] illegal: machine refused move; force position after move into it
8189 SendToProgram("force\n", cps);
8190 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8191 // we have a real problem now, as SendBoard will use the a2a3 kludge
8192 // when black is to move, while there might be nothing on a2 or black
8193 // might already have the move. So send the board as if white has the move.
8194 // But first we must change the stm of the engine, as it refused the last move
8195 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8196 if(WhiteOnMove(forwardMostMove)) {
8197 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8198 SendBoard(cps, forwardMostMove); // kludgeless board
8200 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8201 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8202 SendBoard(cps, forwardMostMove+1); // kludgeless board
8204 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8205 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8206 gameMode == TwoMachinesPlay)
8207 SendToProgram("go\n", cps);
8210 if (gameMode == PlayFromGameFile) {
8211 /* Stop reading this game file */
8212 gameMode = EditGame;
8215 /* [HGM] illegal-move claim should forfeit game when Xboard */
8216 /* only passes fully legal moves */
8217 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8218 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8219 "False illegal-move claim", GE_XBOARD );
8220 return; // do not take back move we tested as valid
8222 currentMove = forwardMostMove-1;
8223 DisplayMove(currentMove-1); /* before DisplayMoveError */
8224 SwitchClocks(forwardMostMove-1); // [HGM] race
8225 DisplayBothClocks();
8226 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8227 parseList[currentMove], _(cps->which));
8228 DisplayMoveError(buf1);
8229 DrawPosition(FALSE, boards[currentMove]);
8232 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8233 /* Program has a broken "time" command that
8234 outputs a string not ending in newline.
8240 * If chess program startup fails, exit with an error message.
8241 * Attempts to recover here are futile.
8243 if ((StrStr(message, "unknown host") != NULL)
8244 || (StrStr(message, "No remote directory") != NULL)
8245 || (StrStr(message, "not found") != NULL)
8246 || (StrStr(message, "No such file") != NULL)
8247 || (StrStr(message, "can't alloc") != NULL)
8248 || (StrStr(message, "Permission denied") != NULL)) {
8250 cps->maybeThinking = FALSE;
8251 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8252 _(cps->which), cps->program, cps->host, message);
8253 RemoveInputSource(cps->isr);
8254 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8255 if(cps == &first) appData.noChessProgram = TRUE;
8256 DisplayError(buf1, 0);
8262 * Look for hint output
8264 if (sscanf(message, "Hint: %s", buf1) == 1) {
8265 if (cps == &first && hintRequested) {
8266 hintRequested = FALSE;
8267 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8268 &fromX, &fromY, &toX, &toY, &promoChar)) {
8269 (void) CoordsToAlgebraic(boards[forwardMostMove],
8270 PosFlags(forwardMostMove),
8271 fromY, fromX, toY, toX, promoChar, buf1);
8272 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8273 DisplayInformation(buf2);
8275 /* Hint move could not be parsed!? */
8276 snprintf(buf2, sizeof(buf2),
8277 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8278 buf1, _(cps->which));
8279 DisplayError(buf2, 0);
8282 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8288 * Ignore other messages if game is not in progress
8290 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8291 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8294 * look for win, lose, draw, or draw offer
8296 if (strncmp(message, "1-0", 3) == 0) {
8297 char *p, *q, *r = "";
8298 p = strchr(message, '{');
8306 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8308 } else if (strncmp(message, "0-1", 3) == 0) {
8309 char *p, *q, *r = "";
8310 p = strchr(message, '{');
8318 /* Kludge for Arasan 4.1 bug */
8319 if (strcmp(r, "Black resigns") == 0) {
8320 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8323 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8325 } else if (strncmp(message, "1/2", 3) == 0) {
8326 char *p, *q, *r = "";
8327 p = strchr(message, '{');
8336 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8339 } else if (strncmp(message, "White resign", 12) == 0) {
8340 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8342 } else if (strncmp(message, "Black resign", 12) == 0) {
8343 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8345 } else if (strncmp(message, "White matches", 13) == 0 ||
8346 strncmp(message, "Black matches", 13) == 0 ) {
8347 /* [HGM] ignore GNUShogi noises */
8349 } else if (strncmp(message, "White", 5) == 0 &&
8350 message[5] != '(' &&
8351 StrStr(message, "Black") == NULL) {
8352 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8354 } else if (strncmp(message, "Black", 5) == 0 &&
8355 message[5] != '(') {
8356 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8358 } else if (strcmp(message, "resign") == 0 ||
8359 strcmp(message, "computer resigns") == 0) {
8361 case MachinePlaysBlack:
8362 case IcsPlayingBlack:
8363 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8365 case MachinePlaysWhite:
8366 case IcsPlayingWhite:
8367 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8369 case TwoMachinesPlay:
8370 if (cps->twoMachinesColor[0] == 'w')
8371 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8373 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8380 } else if (strncmp(message, "opponent mates", 14) == 0) {
8382 case MachinePlaysBlack:
8383 case IcsPlayingBlack:
8384 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8386 case MachinePlaysWhite:
8387 case IcsPlayingWhite:
8388 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8390 case TwoMachinesPlay:
8391 if (cps->twoMachinesColor[0] == 'w')
8392 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8394 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8401 } else if (strncmp(message, "computer mates", 14) == 0) {
8403 case MachinePlaysBlack:
8404 case IcsPlayingBlack:
8405 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8407 case MachinePlaysWhite:
8408 case IcsPlayingWhite:
8409 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8411 case TwoMachinesPlay:
8412 if (cps->twoMachinesColor[0] == 'w')
8413 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8415 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8422 } else if (strncmp(message, "checkmate", 9) == 0) {
8423 if (WhiteOnMove(forwardMostMove)) {
8424 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8426 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8429 } else if (strstr(message, "Draw") != NULL ||
8430 strstr(message, "game is a draw") != NULL) {
8431 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8433 } else if (strstr(message, "offer") != NULL &&
8434 strstr(message, "draw") != NULL) {
8436 if (appData.zippyPlay && first.initDone) {
8437 /* Relay offer to ICS */
8438 SendToICS(ics_prefix);
8439 SendToICS("draw\n");
8442 cps->offeredDraw = 2; /* valid until this engine moves twice */
8443 if (gameMode == TwoMachinesPlay) {
8444 if (cps->other->offeredDraw) {
8445 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8446 /* [HGM] in two-machine mode we delay relaying draw offer */
8447 /* until after we also have move, to see if it is really claim */
8449 } else if (gameMode == MachinePlaysWhite ||
8450 gameMode == MachinePlaysBlack) {
8451 if (userOfferedDraw) {
8452 DisplayInformation(_("Machine accepts your draw offer"));
8453 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8455 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8462 * Look for thinking output
8464 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8465 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8467 int plylev, mvleft, mvtot, curscore, time;
8468 char mvname[MOVE_LEN];
8472 int prefixHint = FALSE;
8473 mvname[0] = NULLCHAR;
8476 case MachinePlaysBlack:
8477 case IcsPlayingBlack:
8478 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8480 case MachinePlaysWhite:
8481 case IcsPlayingWhite:
8482 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8487 case IcsObserving: /* [DM] icsEngineAnalyze */
8488 if (!appData.icsEngineAnalyze) ignore = TRUE;
8490 case TwoMachinesPlay:
8491 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8501 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8503 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8504 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8506 if (plyext != ' ' && plyext != '\t') {
8510 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8511 if( cps->scoreIsAbsolute &&
8512 ( gameMode == MachinePlaysBlack ||
8513 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8514 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8515 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8516 !WhiteOnMove(currentMove)
8519 curscore = -curscore;
8523 tempStats.depth = plylev;
8524 tempStats.nodes = nodes;
8525 tempStats.time = time;
8526 tempStats.score = curscore;
8527 tempStats.got_only_move = 0;
8529 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8532 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8533 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8534 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8535 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8536 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8537 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8538 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8539 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8542 /* Buffer overflow protection */
8543 if (buf1[0] != NULLCHAR) {
8544 if (strlen(buf1) >= sizeof(tempStats.movelist)
8545 && appData.debugMode) {
8547 "PV is too long; using the first %u bytes.\n",
8548 (unsigned) sizeof(tempStats.movelist) - 1);
8551 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8553 sprintf(tempStats.movelist, " no PV\n");
8556 if (tempStats.seen_stat) {
8557 tempStats.ok_to_send = 1;
8560 if (strchr(tempStats.movelist, '(') != NULL) {
8561 tempStats.line_is_book = 1;
8562 tempStats.nr_moves = 0;
8563 tempStats.moves_left = 0;
8565 tempStats.line_is_book = 0;
8568 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8569 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8571 SendProgramStatsToFrontend( cps, &tempStats );
8574 [AS] Protect the thinkOutput buffer from overflow... this
8575 is only useful if buf1 hasn't overflowed first!
8577 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8579 (gameMode == TwoMachinesPlay ?
8580 ToUpper(cps->twoMachinesColor[0]) : ' '),
8581 ((double) curscore) / 100.0,
8582 prefixHint ? lastHint : "",
8583 prefixHint ? " " : "" );
8585 if( buf1[0] != NULLCHAR ) {
8586 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8588 if( strlen(buf1) > max_len ) {
8589 if( appData.debugMode) {
8590 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8592 buf1[max_len+1] = '\0';
8595 strcat( thinkOutput, buf1 );
8598 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8599 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8600 DisplayMove(currentMove - 1);
8604 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8605 /* crafty (9.25+) says "(only move) <move>"
8606 * if there is only 1 legal move
8608 sscanf(p, "(only move) %s", buf1);
8609 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8610 sprintf(programStats.movelist, "%s (only move)", buf1);
8611 programStats.depth = 1;
8612 programStats.nr_moves = 1;
8613 programStats.moves_left = 1;
8614 programStats.nodes = 1;
8615 programStats.time = 1;
8616 programStats.got_only_move = 1;
8618 /* Not really, but we also use this member to
8619 mean "line isn't going to change" (Crafty
8620 isn't searching, so stats won't change) */
8621 programStats.line_is_book = 1;
8623 SendProgramStatsToFrontend( cps, &programStats );
8625 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8626 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8627 DisplayMove(currentMove - 1);
8630 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8631 &time, &nodes, &plylev, &mvleft,
8632 &mvtot, mvname) >= 5) {
8633 /* The stat01: line is from Crafty (9.29+) in response
8634 to the "." command */
8635 programStats.seen_stat = 1;
8636 cps->maybeThinking = TRUE;
8638 if (programStats.got_only_move || !appData.periodicUpdates)
8641 programStats.depth = plylev;
8642 programStats.time = time;
8643 programStats.nodes = nodes;
8644 programStats.moves_left = mvleft;
8645 programStats.nr_moves = mvtot;
8646 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8647 programStats.ok_to_send = 1;
8648 programStats.movelist[0] = '\0';
8650 SendProgramStatsToFrontend( cps, &programStats );
8654 } else if (strncmp(message,"++",2) == 0) {
8655 /* Crafty 9.29+ outputs this */
8656 programStats.got_fail = 2;
8659 } else if (strncmp(message,"--",2) == 0) {
8660 /* Crafty 9.29+ outputs this */
8661 programStats.got_fail = 1;
8664 } else if (thinkOutput[0] != NULLCHAR &&
8665 strncmp(message, " ", 4) == 0) {
8666 unsigned message_len;
8669 while (*p && *p == ' ') p++;
8671 message_len = strlen( p );
8673 /* [AS] Avoid buffer overflow */
8674 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8675 strcat(thinkOutput, " ");
8676 strcat(thinkOutput, p);
8679 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8680 strcat(programStats.movelist, " ");
8681 strcat(programStats.movelist, p);
8684 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8685 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8686 DisplayMove(currentMove - 1);
8694 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8695 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8697 ChessProgramStats cpstats;
8699 if (plyext != ' ' && plyext != '\t') {
8703 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8704 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8705 curscore = -curscore;
8708 cpstats.depth = plylev;
8709 cpstats.nodes = nodes;
8710 cpstats.time = time;
8711 cpstats.score = curscore;
8712 cpstats.got_only_move = 0;
8713 cpstats.movelist[0] = '\0';
8715 if (buf1[0] != NULLCHAR) {
8716 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8719 cpstats.ok_to_send = 0;
8720 cpstats.line_is_book = 0;
8721 cpstats.nr_moves = 0;
8722 cpstats.moves_left = 0;
8724 SendProgramStatsToFrontend( cps, &cpstats );
8731 /* Parse a game score from the character string "game", and
8732 record it as the history of the current game. The game
8733 score is NOT assumed to start from the standard position.
8734 The display is not updated in any way.
8737 ParseGameHistory(game)
8741 int fromX, fromY, toX, toY, boardIndex;
8746 if (appData.debugMode)
8747 fprintf(debugFP, "Parsing game history: %s\n", game);
8749 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8750 gameInfo.site = StrSave(appData.icsHost);
8751 gameInfo.date = PGNDate();
8752 gameInfo.round = StrSave("-");
8754 /* Parse out names of players */
8755 while (*game == ' ') game++;
8757 while (*game != ' ') *p++ = *game++;
8759 gameInfo.white = StrSave(buf);
8760 while (*game == ' ') game++;
8762 while (*game != ' ' && *game != '\n') *p++ = *game++;
8764 gameInfo.black = StrSave(buf);
8767 boardIndex = blackPlaysFirst ? 1 : 0;
8770 yyboardindex = boardIndex;
8771 moveType = (ChessMove) Myylex();
8773 case IllegalMove: /* maybe suicide chess, etc. */
8774 if (appData.debugMode) {
8775 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8776 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8777 setbuf(debugFP, NULL);
8779 case WhitePromotion:
8780 case BlackPromotion:
8781 case WhiteNonPromotion:
8782 case BlackNonPromotion:
8784 case WhiteCapturesEnPassant:
8785 case BlackCapturesEnPassant:
8786 case WhiteKingSideCastle:
8787 case WhiteQueenSideCastle:
8788 case BlackKingSideCastle:
8789 case BlackQueenSideCastle:
8790 case WhiteKingSideCastleWild:
8791 case WhiteQueenSideCastleWild:
8792 case BlackKingSideCastleWild:
8793 case BlackQueenSideCastleWild:
8795 case WhiteHSideCastleFR:
8796 case WhiteASideCastleFR:
8797 case BlackHSideCastleFR:
8798 case BlackASideCastleFR:
8800 fromX = currentMoveString[0] - AAA;
8801 fromY = currentMoveString[1] - ONE;
8802 toX = currentMoveString[2] - AAA;
8803 toY = currentMoveString[3] - ONE;
8804 promoChar = currentMoveString[4];
8808 fromX = moveType == WhiteDrop ?
8809 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8810 (int) CharToPiece(ToLower(currentMoveString[0]));
8812 toX = currentMoveString[2] - AAA;
8813 toY = currentMoveString[3] - ONE;
8814 promoChar = NULLCHAR;
8818 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8819 if (appData.debugMode) {
8820 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8821 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8822 setbuf(debugFP, NULL);
8824 DisplayError(buf, 0);
8826 case ImpossibleMove:
8828 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8829 if (appData.debugMode) {
8830 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8831 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8832 setbuf(debugFP, NULL);
8834 DisplayError(buf, 0);
8837 if (boardIndex < backwardMostMove) {
8838 /* Oops, gap. How did that happen? */
8839 DisplayError(_("Gap in move list"), 0);
8842 backwardMostMove = blackPlaysFirst ? 1 : 0;
8843 if (boardIndex > forwardMostMove) {
8844 forwardMostMove = boardIndex;
8848 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8849 strcat(parseList[boardIndex-1], " ");
8850 strcat(parseList[boardIndex-1], yy_text);
8862 case GameUnfinished:
8863 if (gameMode == IcsExamining) {
8864 if (boardIndex < backwardMostMove) {
8865 /* Oops, gap. How did that happen? */
8868 backwardMostMove = blackPlaysFirst ? 1 : 0;
8871 gameInfo.result = moveType;
8872 p = strchr(yy_text, '{');
8873 if (p == NULL) p = strchr(yy_text, '(');
8876 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8878 q = strchr(p, *p == '{' ? '}' : ')');
8879 if (q != NULL) *q = NULLCHAR;
8882 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8883 gameInfo.resultDetails = StrSave(p);
8886 if (boardIndex >= forwardMostMove &&
8887 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8888 backwardMostMove = blackPlaysFirst ? 1 : 0;
8891 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8892 fromY, fromX, toY, toX, promoChar,
8893 parseList[boardIndex]);
8894 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8895 /* currentMoveString is set as a side-effect of yylex */
8896 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8897 strcat(moveList[boardIndex], "\n");
8899 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8900 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8906 if(gameInfo.variant != VariantShogi)
8907 strcat(parseList[boardIndex - 1], "+");
8911 strcat(parseList[boardIndex - 1], "#");
8918 /* Apply a move to the given board */
8920 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8921 int fromX, fromY, toX, toY;
8925 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8926 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8928 /* [HGM] compute & store e.p. status and castling rights for new position */
8929 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8931 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8932 oldEP = (signed char)board[EP_STATUS];
8933 board[EP_STATUS] = EP_NONE;
8935 if( board[toY][toX] != EmptySquare )
8936 board[EP_STATUS] = EP_CAPTURE;
8938 if (fromY == DROP_RANK) {
8940 piece = board[toY][toX] = (ChessSquare) fromX;
8944 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8945 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8946 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8948 if( board[fromY][fromX] == WhitePawn ) {
8949 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8950 board[EP_STATUS] = EP_PAWN_MOVE;
8952 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8953 gameInfo.variant != VariantBerolina || toX < fromX)
8954 board[EP_STATUS] = toX | berolina;
8955 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8956 gameInfo.variant != VariantBerolina || toX > fromX)
8957 board[EP_STATUS] = toX;
8960 if( board[fromY][fromX] == BlackPawn ) {
8961 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8962 board[EP_STATUS] = EP_PAWN_MOVE;
8963 if( toY-fromY== -2) {
8964 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8965 gameInfo.variant != VariantBerolina || toX < fromX)
8966 board[EP_STATUS] = toX | berolina;
8967 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8968 gameInfo.variant != VariantBerolina || toX > fromX)
8969 board[EP_STATUS] = toX;
8973 for(i=0; i<nrCastlingRights; i++) {
8974 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8975 board[CASTLING][i] == toX && castlingRank[i] == toY
8976 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8979 if (fromX == toX && fromY == toY) return;
8981 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8982 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8983 if(gameInfo.variant == VariantKnightmate)
8984 king += (int) WhiteUnicorn - (int) WhiteKing;
8986 /* Code added by Tord: */
8987 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8988 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8989 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8990 board[fromY][fromX] = EmptySquare;
8991 board[toY][toX] = EmptySquare;
8992 if((toX > fromX) != (piece == WhiteRook)) {
8993 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8995 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8997 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8998 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8999 board[fromY][fromX] = EmptySquare;
9000 board[toY][toX] = EmptySquare;
9001 if((toX > fromX) != (piece == BlackRook)) {
9002 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9004 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9006 /* End of code added by Tord */
9008 } else if (board[fromY][fromX] == king
9009 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9010 && toY == fromY && toX > fromX+1) {
9011 board[fromY][fromX] = EmptySquare;
9012 board[toY][toX] = king;
9013 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9014 board[fromY][BOARD_RGHT-1] = EmptySquare;
9015 } else if (board[fromY][fromX] == king
9016 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9017 && toY == fromY && toX < fromX-1) {
9018 board[fromY][fromX] = EmptySquare;
9019 board[toY][toX] = king;
9020 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9021 board[fromY][BOARD_LEFT] = EmptySquare;
9022 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9023 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9024 && toY >= BOARD_HEIGHT-promoRank
9026 /* white pawn promotion */
9027 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9028 if (board[toY][toX] == EmptySquare) {
9029 board[toY][toX] = WhiteQueen;
9031 if(gameInfo.variant==VariantBughouse ||
9032 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9033 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9034 board[fromY][fromX] = EmptySquare;
9035 } else if ((fromY == BOARD_HEIGHT-4)
9037 && gameInfo.variant != VariantXiangqi
9038 && gameInfo.variant != VariantBerolina
9039 && (board[fromY][fromX] == WhitePawn)
9040 && (board[toY][toX] == EmptySquare)) {
9041 board[fromY][fromX] = EmptySquare;
9042 board[toY][toX] = WhitePawn;
9043 captured = board[toY - 1][toX];
9044 board[toY - 1][toX] = EmptySquare;
9045 } else if ((fromY == BOARD_HEIGHT-4)
9047 && gameInfo.variant == VariantBerolina
9048 && (board[fromY][fromX] == WhitePawn)
9049 && (board[toY][toX] == EmptySquare)) {
9050 board[fromY][fromX] = EmptySquare;
9051 board[toY][toX] = WhitePawn;
9052 if(oldEP & EP_BEROLIN_A) {
9053 captured = board[fromY][fromX-1];
9054 board[fromY][fromX-1] = EmptySquare;
9055 }else{ captured = board[fromY][fromX+1];
9056 board[fromY][fromX+1] = EmptySquare;
9058 } else if (board[fromY][fromX] == king
9059 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9060 && toY == fromY && toX > fromX+1) {
9061 board[fromY][fromX] = EmptySquare;
9062 board[toY][toX] = king;
9063 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9064 board[fromY][BOARD_RGHT-1] = EmptySquare;
9065 } else if (board[fromY][fromX] == king
9066 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9067 && toY == fromY && toX < fromX-1) {
9068 board[fromY][fromX] = EmptySquare;
9069 board[toY][toX] = king;
9070 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9071 board[fromY][BOARD_LEFT] = EmptySquare;
9072 } else if (fromY == 7 && fromX == 3
9073 && board[fromY][fromX] == BlackKing
9074 && toY == 7 && toX == 5) {
9075 board[fromY][fromX] = EmptySquare;
9076 board[toY][toX] = BlackKing;
9077 board[fromY][7] = EmptySquare;
9078 board[toY][4] = BlackRook;
9079 } else if (fromY == 7 && fromX == 3
9080 && board[fromY][fromX] == BlackKing
9081 && toY == 7 && toX == 1) {
9082 board[fromY][fromX] = EmptySquare;
9083 board[toY][toX] = BlackKing;
9084 board[fromY][0] = EmptySquare;
9085 board[toY][2] = BlackRook;
9086 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9087 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9090 /* black pawn promotion */
9091 board[toY][toX] = CharToPiece(ToLower(promoChar));
9092 if (board[toY][toX] == EmptySquare) {
9093 board[toY][toX] = BlackQueen;
9095 if(gameInfo.variant==VariantBughouse ||
9096 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9097 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9098 board[fromY][fromX] = EmptySquare;
9099 } else if ((fromY == 3)
9101 && gameInfo.variant != VariantXiangqi
9102 && gameInfo.variant != VariantBerolina
9103 && (board[fromY][fromX] == BlackPawn)
9104 && (board[toY][toX] == EmptySquare)) {
9105 board[fromY][fromX] = EmptySquare;
9106 board[toY][toX] = BlackPawn;
9107 captured = board[toY + 1][toX];
9108 board[toY + 1][toX] = EmptySquare;
9109 } else if ((fromY == 3)
9111 && gameInfo.variant == VariantBerolina
9112 && (board[fromY][fromX] == BlackPawn)
9113 && (board[toY][toX] == EmptySquare)) {
9114 board[fromY][fromX] = EmptySquare;
9115 board[toY][toX] = BlackPawn;
9116 if(oldEP & EP_BEROLIN_A) {
9117 captured = board[fromY][fromX-1];
9118 board[fromY][fromX-1] = EmptySquare;
9119 }else{ captured = board[fromY][fromX+1];
9120 board[fromY][fromX+1] = EmptySquare;
9123 board[toY][toX] = board[fromY][fromX];
9124 board[fromY][fromX] = EmptySquare;
9128 if (gameInfo.holdingsWidth != 0) {
9130 /* !!A lot more code needs to be written to support holdings */
9131 /* [HGM] OK, so I have written it. Holdings are stored in the */
9132 /* penultimate board files, so they are automaticlly stored */
9133 /* in the game history. */
9134 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9135 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9136 /* Delete from holdings, by decreasing count */
9137 /* and erasing image if necessary */
9138 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9139 if(p < (int) BlackPawn) { /* white drop */
9140 p -= (int)WhitePawn;
9141 p = PieceToNumber((ChessSquare)p);
9142 if(p >= gameInfo.holdingsSize) p = 0;
9143 if(--board[p][BOARD_WIDTH-2] <= 0)
9144 board[p][BOARD_WIDTH-1] = EmptySquare;
9145 if((int)board[p][BOARD_WIDTH-2] < 0)
9146 board[p][BOARD_WIDTH-2] = 0;
9147 } else { /* black drop */
9148 p -= (int)BlackPawn;
9149 p = PieceToNumber((ChessSquare)p);
9150 if(p >= gameInfo.holdingsSize) p = 0;
9151 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9152 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9153 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9154 board[BOARD_HEIGHT-1-p][1] = 0;
9157 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9158 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9159 /* [HGM] holdings: Add to holdings, if holdings exist */
9160 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
9161 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9162 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9165 if (p >= (int) BlackPawn) {
9166 p -= (int)BlackPawn;
9167 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9168 /* in Shogi restore piece to its original first */
9169 captured = (ChessSquare) (DEMOTED captured);
9172 p = PieceToNumber((ChessSquare)p);
9173 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9174 board[p][BOARD_WIDTH-2]++;
9175 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9177 p -= (int)WhitePawn;
9178 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9179 captured = (ChessSquare) (DEMOTED captured);
9182 p = PieceToNumber((ChessSquare)p);
9183 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9184 board[BOARD_HEIGHT-1-p][1]++;
9185 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9188 } else if (gameInfo.variant == VariantAtomic) {
9189 if (captured != EmptySquare) {
9191 for (y = toY-1; y <= toY+1; y++) {
9192 for (x = toX-1; x <= toX+1; x++) {
9193 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9194 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9195 board[y][x] = EmptySquare;
9199 board[toY][toX] = EmptySquare;
9202 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9203 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9205 if(promoChar == '+') {
9206 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9207 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9208 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9209 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9211 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9212 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9213 // [HGM] superchess: take promotion piece out of holdings
9214 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9215 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9216 if(!--board[k][BOARD_WIDTH-2])
9217 board[k][BOARD_WIDTH-1] = EmptySquare;
9219 if(!--board[BOARD_HEIGHT-1-k][1])
9220 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9226 /* Updates forwardMostMove */
9228 MakeMove(fromX, fromY, toX, toY, promoChar)
9229 int fromX, fromY, toX, toY;
9232 // forwardMostMove++; // [HGM] bare: moved downstream
9234 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9235 int timeLeft; static int lastLoadFlag=0; int king, piece;
9236 piece = boards[forwardMostMove][fromY][fromX];
9237 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9238 if(gameInfo.variant == VariantKnightmate)
9239 king += (int) WhiteUnicorn - (int) WhiteKing;
9240 if(forwardMostMove == 0) {
9242 fprintf(serverMoves, "%s;", second.tidy);
9243 fprintf(serverMoves, "%s;", first.tidy);
9244 if(!blackPlaysFirst)
9245 fprintf(serverMoves, "%s;", second.tidy);
9246 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9247 lastLoadFlag = loadFlag;
9249 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9250 // print castling suffix
9251 if( toY == fromY && piece == king ) {
9253 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9255 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9258 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9259 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9260 boards[forwardMostMove][toY][toX] == EmptySquare
9261 && fromX != toX && fromY != toY)
9262 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9264 if(promoChar != NULLCHAR)
9265 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9267 fprintf(serverMoves, "/%d/%d",
9268 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9269 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9270 else timeLeft = blackTimeRemaining/1000;
9271 fprintf(serverMoves, "/%d", timeLeft);
9273 fflush(serverMoves);
9276 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9277 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9281 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9282 if (commentList[forwardMostMove+1] != NULL) {
9283 free(commentList[forwardMostMove+1]);
9284 commentList[forwardMostMove+1] = NULL;
9286 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9287 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9288 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9289 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9290 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9291 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9292 gameInfo.result = GameUnfinished;
9293 if (gameInfo.resultDetails != NULL) {
9294 free(gameInfo.resultDetails);
9295 gameInfo.resultDetails = NULL;
9297 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9298 moveList[forwardMostMove - 1]);
9299 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9300 PosFlags(forwardMostMove - 1),
9301 fromY, fromX, toY, toX, promoChar,
9302 parseList[forwardMostMove - 1]);
9303 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9309 if(gameInfo.variant != VariantShogi)
9310 strcat(parseList[forwardMostMove - 1], "+");
9314 strcat(parseList[forwardMostMove - 1], "#");
9317 if (appData.debugMode) {
9318 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9323 /* Updates currentMove if not pausing */
9325 ShowMove(fromX, fromY, toX, toY)
9327 int instant = (gameMode == PlayFromGameFile) ?
9328 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9329 if(appData.noGUI) return;
9330 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9332 if (forwardMostMove == currentMove + 1) {
9333 AnimateMove(boards[forwardMostMove - 1],
9334 fromX, fromY, toX, toY);
9336 if (appData.highlightLastMove) {
9337 SetHighlights(fromX, fromY, toX, toY);
9340 currentMove = forwardMostMove;
9343 if (instant) return;
9345 DisplayMove(currentMove - 1);
9346 DrawPosition(FALSE, boards[currentMove]);
9347 DisplayBothClocks();
9348 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9349 DisplayBook(currentMove);
9352 void SendEgtPath(ChessProgramState *cps)
9353 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9354 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9356 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9359 char c, *q = name+1, *r, *s;
9361 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9362 while(*p && *p != ',') *q++ = *p++;
9364 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9365 strcmp(name, ",nalimov:") == 0 ) {
9366 // take nalimov path from the menu-changeable option first, if it is defined
9367 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9368 SendToProgram(buf,cps); // send egtbpath command for nalimov
9370 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9371 (s = StrStr(appData.egtFormats, name)) != NULL) {
9372 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9373 s = r = StrStr(s, ":") + 1; // beginning of path info
9374 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9375 c = *r; *r = 0; // temporarily null-terminate path info
9376 *--q = 0; // strip of trailig ':' from name
9377 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9379 SendToProgram(buf,cps); // send egtbpath command for this format
9381 if(*p == ',') p++; // read away comma to position for next format name
9386 InitChessProgram(cps, setup)
9387 ChessProgramState *cps;
9388 int setup; /* [HGM] needed to setup FRC opening position */
9390 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9391 if (appData.noChessProgram) return;
9392 hintRequested = FALSE;
9393 bookRequested = FALSE;
9395 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9396 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9397 if(cps->memSize) { /* [HGM] memory */
9398 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9399 SendToProgram(buf, cps);
9401 SendEgtPath(cps); /* [HGM] EGT */
9402 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9403 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9404 SendToProgram(buf, cps);
9407 SendToProgram(cps->initString, cps);
9408 if (gameInfo.variant != VariantNormal &&
9409 gameInfo.variant != VariantLoadable
9410 /* [HGM] also send variant if board size non-standard */
9411 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9413 char *v = VariantName(gameInfo.variant);
9414 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9415 /* [HGM] in protocol 1 we have to assume all variants valid */
9416 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9417 DisplayFatalError(buf, 0, 1);
9421 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9422 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9423 if( gameInfo.variant == VariantXiangqi )
9424 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9425 if( gameInfo.variant == VariantShogi )
9426 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9427 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9428 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9429 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9430 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9431 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9432 if( gameInfo.variant == VariantCourier )
9433 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9434 if( gameInfo.variant == VariantSuper )
9435 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9436 if( gameInfo.variant == VariantGreat )
9437 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9438 if( gameInfo.variant == VariantSChess )
9439 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9442 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9443 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9444 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9445 if(StrStr(cps->variants, b) == NULL) {
9446 // specific sized variant not known, check if general sizing allowed
9447 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9448 if(StrStr(cps->variants, "boardsize") == NULL) {
9449 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9450 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9451 DisplayFatalError(buf, 0, 1);
9454 /* [HGM] here we really should compare with the maximum supported board size */
9457 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9458 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9459 SendToProgram(buf, cps);
9461 currentlyInitializedVariant = gameInfo.variant;
9463 /* [HGM] send opening position in FRC to first engine */
9465 SendToProgram("force\n", cps);
9467 /* engine is now in force mode! Set flag to wake it up after first move. */
9468 setboardSpoiledMachineBlack = 1;
9472 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9473 SendToProgram(buf, cps);
9475 cps->maybeThinking = FALSE;
9476 cps->offeredDraw = 0;
9477 if (!appData.icsActive) {
9478 SendTimeControl(cps, movesPerSession, timeControl,
9479 timeIncrement, appData.searchDepth,
9482 if (appData.showThinking
9483 // [HGM] thinking: four options require thinking output to be sent
9484 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9486 SendToProgram("post\n", cps);
9488 SendToProgram("hard\n", cps);
9489 if (!appData.ponderNextMove) {
9490 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9491 it without being sure what state we are in first. "hard"
9492 is not a toggle, so that one is OK.
9494 SendToProgram("easy\n", cps);
9497 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9498 SendToProgram(buf, cps);
9500 cps->initDone = TRUE;
9501 ClearEngineOutputPane(cps == &second);
9506 StartChessProgram(cps)
9507 ChessProgramState *cps;
9512 if (appData.noChessProgram) return;
9513 cps->initDone = FALSE;
9515 if (strcmp(cps->host, "localhost") == 0) {
9516 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9517 } else if (*appData.remoteShell == NULLCHAR) {
9518 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9520 if (*appData.remoteUser == NULLCHAR) {
9521 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9524 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9525 cps->host, appData.remoteUser, cps->program);
9527 err = StartChildProcess(buf, "", &cps->pr);
9531 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9532 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9533 if(cps != &first) return;
9534 appData.noChessProgram = TRUE;
9537 // DisplayFatalError(buf, err, 1);
9538 // cps->pr = NoProc;
9543 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9544 if (cps->protocolVersion > 1) {
9545 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9546 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9547 cps->comboCnt = 0; // and values of combo boxes
9548 SendToProgram(buf, cps);
9550 SendToProgram("xboard\n", cps);
9555 TwoMachinesEventIfReady P((void))
9557 static int curMess = 0;
9558 if (first.lastPing != first.lastPong) {
9559 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9560 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9563 if (second.lastPing != second.lastPong) {
9564 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9565 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9568 DisplayMessage("", ""); curMess = 0;
9574 MakeName(char *template)
9578 static char buf[MSG_SIZ];
9582 clock = time((time_t *)NULL);
9583 tm = localtime(&clock);
9585 while(*p++ = *template++) if(p[-1] == '%') {
9586 switch(*template++) {
9587 case 0: *p = 0; return buf;
9588 case 'Y': i = tm->tm_year+1900; break;
9589 case 'y': i = tm->tm_year-100; break;
9590 case 'M': i = tm->tm_mon+1; break;
9591 case 'd': i = tm->tm_mday; break;
9592 case 'h': i = tm->tm_hour; break;
9593 case 'm': i = tm->tm_min; break;
9594 case 's': i = tm->tm_sec; break;
9597 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9603 CountPlayers(char *p)
9606 while(p = strchr(p, '\n')) p++, n++; // count participants
9611 WriteTourneyFile(char *results)
9612 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9613 FILE *f = fopen(appData.tourneyFile, "w");
9614 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9615 // create a file with tournament description
9616 fprintf(f, "-participants {%s}\n", appData.participants);
9617 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9618 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9619 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9620 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9621 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9622 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9623 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9624 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9625 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9626 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9627 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9629 fprintf(f, "-searchTime \"%s\"\n", appData.searchTime);
9631 fprintf(f, "-mps %d\n", appData.movesPerSession);
9632 fprintf(f, "-tc %s\n", appData.timeControl);
9633 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9635 fprintf(f, "-results \"%s\"\n", results);
9641 CreateTourney(char *name)
9644 if(name[0] == NULLCHAR) {
9645 if(appData.participants[0])
9646 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9649 f = fopen(name, "r");
9650 if(f) { // file exists
9651 ASSIGN(appData.tourneyFile, name);
9652 ParseArgsFromFile(f); // parse it
9654 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9655 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9656 DisplayError(_("Not enough participants"), 0);
9659 ASSIGN(appData.tourneyFile, name);
9660 if((f = WriteTourneyFile("")) == NULL) return 0;
9663 appData.noChessProgram = FALSE;
9664 appData.clockMode = TRUE;
9669 #define MAXENGINES 1000
9670 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9672 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9674 char buf[MSG_SIZ], *p, *q;
9678 while(*p && *p != '\n') *q++ = *p++;
9680 if(engineList[i]) free(engineList[i]);
9681 engineList[i] = strdup(buf);
9683 TidyProgramName(engineList[i], "localhost", buf);
9684 if(engineMnemonic[i]) free(engineMnemonic[i]);
9685 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9687 sscanf(q + 8, "%s", buf + strlen(buf));
9690 engineMnemonic[i] = strdup(buf);
9692 if(i > MAXENGINES - 2) break;
9694 engineList[i] = NULL;
9697 // following implemented as macro to avoid type limitations
9698 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9700 void SwapEngines(int n)
9701 { // swap settings for first engine and other engine (so far only some selected options)
9706 SWAP(chessProgram, p)
9708 SWAP(hasOwnBookUCI, h)
9709 SWAP(protocolVersion, h)
9711 SWAP(scoreIsAbsolute, h)
9718 SetPlayer(int player)
9719 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9721 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9722 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9723 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9724 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9726 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9727 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9728 ParseArgsFromString(buf);
9734 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9735 { // determine players from game number
9736 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9738 if(appData.tourneyType == 0) {
9739 roundsPerCycle = (nPlayers - 1) | 1;
9740 pairingsPerRound = nPlayers / 2;
9741 } else if(appData.tourneyType > 0) {
9742 roundsPerCycle = nPlayers - appData.tourneyType;
9743 pairingsPerRound = appData.tourneyType;
9745 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9746 gamesPerCycle = gamesPerRound * roundsPerCycle;
9747 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9748 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9749 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9750 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9751 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9752 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9754 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9755 if(appData.roundSync) *syncInterval = gamesPerRound;
9757 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9759 if(appData.tourneyType == 0) {
9760 if(curPairing == (nPlayers-1)/2 ) {
9761 *whitePlayer = curRound;
9762 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9764 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9765 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9766 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9767 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9769 } else if(appData.tourneyType > 0) {
9770 *whitePlayer = curPairing;
9771 *blackPlayer = curRound + appData.tourneyType;
9774 // take care of white/black alternation per round.
9775 // For cycles and games this is already taken care of by default, derived from matchGame!
9776 return curRound & 1;
9780 NextTourneyGame(int nr, int *swapColors)
9781 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9783 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9785 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9786 tf = fopen(appData.tourneyFile, "r");
9787 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9788 ParseArgsFromFile(tf); fclose(tf);
9789 InitTimeControls(); // TC might be altered from tourney file
9791 nPlayers = CountPlayers(appData.participants); // count participants
9792 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9793 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9796 p = q = appData.results;
9797 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9798 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9799 DisplayMessage(_("Waiting for other game(s)"),"");
9800 waitingForGame = TRUE;
9801 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9804 waitingForGame = FALSE;
9807 if(appData.tourneyType < 0) {
9808 if(nr>=0 && !pairingReceived) {
9810 if(pairing.pr == NoProc) {
9811 if(!appData.pairingEngine[0]) {
9812 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9815 StartChessProgram(&pairing); // starts the pairing engine
9817 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9818 SendToProgram(buf, &pairing);
9819 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9820 SendToProgram(buf, &pairing);
9821 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
9823 pairingReceived = 0; // ... so we continue here
9825 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
9826 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
9827 matchGame = 1; roundNr = nr / syncInterval + 1;
9830 if(first.pr != NoProc) return 1; // engines already loaded
9832 // redefine engines, engine dir, etc.
9833 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9834 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9836 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9837 SwapEngines(1); // and make that valid for second engine by swapping
9838 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9839 InitEngine(&second, 1);
9840 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9846 { // performs game initialization that does not invoke engines, and then tries to start the game
9847 int firstWhite, swapColors = 0;
9848 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9849 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9850 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9851 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9852 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9853 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9854 Reset(FALSE, first.pr != NoProc);
9855 appData.noChessProgram = FALSE;
9856 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9860 void UserAdjudicationEvent( int result )
9862 ChessMove gameResult = GameIsDrawn;
9865 gameResult = WhiteWins;
9867 else if( result < 0 ) {
9868 gameResult = BlackWins;
9871 if( gameMode == TwoMachinesPlay ) {
9872 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9877 // [HGM] save: calculate checksum of game to make games easily identifiable
9878 int StringCheckSum(char *s)
9881 if(s==NULL) return 0;
9882 while(*s) i = i*259 + *s++;
9889 for(i=backwardMostMove; i<forwardMostMove; i++) {
9890 sum += pvInfoList[i].depth;
9891 sum += StringCheckSum(parseList[i]);
9892 sum += StringCheckSum(commentList[i]);
9895 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9896 return sum + StringCheckSum(commentList[i]);
9897 } // end of save patch
9900 GameEnds(result, resultDetails, whosays)
9902 char *resultDetails;
9905 GameMode nextGameMode;
9907 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9909 if(endingGame) return; /* [HGM] crash: forbid recursion */
9911 if(twoBoards) { // [HGM] dual: switch back to one board
9912 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9913 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9915 if (appData.debugMode) {
9916 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9917 result, resultDetails ? resultDetails : "(null)", whosays);
9920 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9922 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9923 /* If we are playing on ICS, the server decides when the
9924 game is over, but the engine can offer to draw, claim
9928 if (appData.zippyPlay && first.initDone) {
9929 if (result == GameIsDrawn) {
9930 /* In case draw still needs to be claimed */
9931 SendToICS(ics_prefix);
9932 SendToICS("draw\n");
9933 } else if (StrCaseStr(resultDetails, "resign")) {
9934 SendToICS(ics_prefix);
9935 SendToICS("resign\n");
9939 endingGame = 0; /* [HGM] crash */
9943 /* If we're loading the game from a file, stop */
9944 if (whosays == GE_FILE) {
9945 (void) StopLoadGameTimer();
9949 /* Cancel draw offers */
9950 first.offeredDraw = second.offeredDraw = 0;
9952 /* If this is an ICS game, only ICS can really say it's done;
9953 if not, anyone can. */
9954 isIcsGame = (gameMode == IcsPlayingWhite ||
9955 gameMode == IcsPlayingBlack ||
9956 gameMode == IcsObserving ||
9957 gameMode == IcsExamining);
9959 if (!isIcsGame || whosays == GE_ICS) {
9960 /* OK -- not an ICS game, or ICS said it was done */
9962 if (!isIcsGame && !appData.noChessProgram)
9963 SetUserThinkingEnables();
9965 /* [HGM] if a machine claims the game end we verify this claim */
9966 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9967 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9969 ChessMove trueResult = (ChessMove) -1;
9971 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9972 first.twoMachinesColor[0] :
9973 second.twoMachinesColor[0] ;
9975 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9976 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9977 /* [HGM] verify: engine mate claims accepted if they were flagged */
9978 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9980 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9981 /* [HGM] verify: engine mate claims accepted if they were flagged */
9982 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9984 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9985 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9988 // now verify win claims, but not in drop games, as we don't understand those yet
9989 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9990 || gameInfo.variant == VariantGreat) &&
9991 (result == WhiteWins && claimer == 'w' ||
9992 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9993 if (appData.debugMode) {
9994 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9995 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9997 if(result != trueResult) {
9998 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9999 result = claimer == 'w' ? BlackWins : WhiteWins;
10000 resultDetails = buf;
10003 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10004 && (forwardMostMove <= backwardMostMove ||
10005 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10006 (claimer=='b')==(forwardMostMove&1))
10008 /* [HGM] verify: draws that were not flagged are false claims */
10009 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10010 result = claimer == 'w' ? BlackWins : WhiteWins;
10011 resultDetails = buf;
10013 /* (Claiming a loss is accepted no questions asked!) */
10015 /* [HGM] bare: don't allow bare King to win */
10016 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
10017 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10018 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10019 && result != GameIsDrawn)
10020 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10021 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10022 int p = (signed char)boards[forwardMostMove][i][j] - color;
10023 if(p >= 0 && p <= (int)WhiteKing) k++;
10025 if (appData.debugMode) {
10026 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10027 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10030 result = GameIsDrawn;
10031 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10032 resultDetails = buf;
10038 if(serverMoves != NULL && !loadFlag) { char c = '=';
10039 if(result==WhiteWins) c = '+';
10040 if(result==BlackWins) c = '-';
10041 if(resultDetails != NULL)
10042 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10044 if (resultDetails != NULL) {
10045 gameInfo.result = result;
10046 gameInfo.resultDetails = StrSave(resultDetails);
10048 /* display last move only if game was not loaded from file */
10049 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10050 DisplayMove(currentMove - 1);
10052 if (forwardMostMove != 0) {
10053 if (gameMode != PlayFromGameFile && gameMode != EditGame
10054 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10056 if (*appData.saveGameFile != NULLCHAR) {
10057 SaveGameToFile(appData.saveGameFile, TRUE);
10058 } else if (appData.autoSaveGames) {
10061 if (*appData.savePositionFile != NULLCHAR) {
10062 SavePositionToFile(appData.savePositionFile);
10067 /* Tell program how game ended in case it is learning */
10068 /* [HGM] Moved this to after saving the PGN, just in case */
10069 /* engine died and we got here through time loss. In that */
10070 /* case we will get a fatal error writing the pipe, which */
10071 /* would otherwise lose us the PGN. */
10072 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10073 /* output during GameEnds should never be fatal anymore */
10074 if (gameMode == MachinePlaysWhite ||
10075 gameMode == MachinePlaysBlack ||
10076 gameMode == TwoMachinesPlay ||
10077 gameMode == IcsPlayingWhite ||
10078 gameMode == IcsPlayingBlack ||
10079 gameMode == BeginningOfGame) {
10081 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10083 if (first.pr != NoProc) {
10084 SendToProgram(buf, &first);
10086 if (second.pr != NoProc &&
10087 gameMode == TwoMachinesPlay) {
10088 SendToProgram(buf, &second);
10093 if (appData.icsActive) {
10094 if (appData.quietPlay &&
10095 (gameMode == IcsPlayingWhite ||
10096 gameMode == IcsPlayingBlack)) {
10097 SendToICS(ics_prefix);
10098 SendToICS("set shout 1\n");
10100 nextGameMode = IcsIdle;
10101 ics_user_moved = FALSE;
10102 /* clean up premove. It's ugly when the game has ended and the
10103 * premove highlights are still on the board.
10106 gotPremove = FALSE;
10107 ClearPremoveHighlights();
10108 DrawPosition(FALSE, boards[currentMove]);
10110 if (whosays == GE_ICS) {
10113 if (gameMode == IcsPlayingWhite)
10115 else if(gameMode == IcsPlayingBlack)
10116 PlayIcsLossSound();
10119 if (gameMode == IcsPlayingBlack)
10121 else if(gameMode == IcsPlayingWhite)
10122 PlayIcsLossSound();
10125 PlayIcsDrawSound();
10128 PlayIcsUnfinishedSound();
10131 } else if (gameMode == EditGame ||
10132 gameMode == PlayFromGameFile ||
10133 gameMode == AnalyzeMode ||
10134 gameMode == AnalyzeFile) {
10135 nextGameMode = gameMode;
10137 nextGameMode = EndOfGame;
10142 nextGameMode = gameMode;
10145 if (appData.noChessProgram) {
10146 gameMode = nextGameMode;
10148 endingGame = 0; /* [HGM] crash */
10153 /* Put first chess program into idle state */
10154 if (first.pr != NoProc &&
10155 (gameMode == MachinePlaysWhite ||
10156 gameMode == MachinePlaysBlack ||
10157 gameMode == TwoMachinesPlay ||
10158 gameMode == IcsPlayingWhite ||
10159 gameMode == IcsPlayingBlack ||
10160 gameMode == BeginningOfGame)) {
10161 SendToProgram("force\n", &first);
10162 if (first.usePing) {
10164 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10165 SendToProgram(buf, &first);
10168 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10169 /* Kill off first chess program */
10170 if (first.isr != NULL)
10171 RemoveInputSource(first.isr);
10174 if (first.pr != NoProc) {
10176 DoSleep( appData.delayBeforeQuit );
10177 SendToProgram("quit\n", &first);
10178 DoSleep( appData.delayAfterQuit );
10179 DestroyChildProcess(first.pr, first.useSigterm);
10183 if (second.reuse) {
10184 /* Put second chess program into idle state */
10185 if (second.pr != NoProc &&
10186 gameMode == TwoMachinesPlay) {
10187 SendToProgram("force\n", &second);
10188 if (second.usePing) {
10190 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10191 SendToProgram(buf, &second);
10194 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10195 /* Kill off second chess program */
10196 if (second.isr != NULL)
10197 RemoveInputSource(second.isr);
10200 if (second.pr != NoProc) {
10201 DoSleep( appData.delayBeforeQuit );
10202 SendToProgram("quit\n", &second);
10203 DoSleep( appData.delayAfterQuit );
10204 DestroyChildProcess(second.pr, second.useSigterm);
10206 second.pr = NoProc;
10209 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10210 char resChar = '=';
10214 if (first.twoMachinesColor[0] == 'w') {
10217 second.matchWins++;
10222 if (first.twoMachinesColor[0] == 'b') {
10225 second.matchWins++;
10228 case GameUnfinished:
10234 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10235 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10236 ReserveGame(nextGame, resChar); // sets nextGame
10237 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10238 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10239 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10241 if (nextGame <= appData.matchGames && !abortMatch) {
10242 gameMode = nextGameMode;
10243 matchGame = nextGame; // this will be overruled in tourney mode!
10244 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10245 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10246 endingGame = 0; /* [HGM] crash */
10249 gameMode = nextGameMode;
10250 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10251 first.tidy, second.tidy,
10252 first.matchWins, second.matchWins,
10253 appData.matchGames - (first.matchWins + second.matchWins));
10254 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10255 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10256 first.twoMachinesColor = "black\n";
10257 second.twoMachinesColor = "white\n";
10259 first.twoMachinesColor = "white\n";
10260 second.twoMachinesColor = "black\n";
10264 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10265 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10267 gameMode = nextGameMode;
10269 endingGame = 0; /* [HGM] crash */
10270 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10271 if(matchMode == TRUE) { // match through command line: exit with or without popup
10273 ToNrEvent(forwardMostMove);
10274 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10276 } else DisplayFatalError(buf, 0, 0);
10277 } else { // match through menu; just stop, with or without popup
10278 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10280 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10281 } else DisplayNote(buf);
10283 if(ranking) free(ranking);
10287 /* Assumes program was just initialized (initString sent).
10288 Leaves program in force mode. */
10290 FeedMovesToProgram(cps, upto)
10291 ChessProgramState *cps;
10296 if (appData.debugMode)
10297 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10298 startedFromSetupPosition ? "position and " : "",
10299 backwardMostMove, upto, cps->which);
10300 if(currentlyInitializedVariant != gameInfo.variant) {
10302 // [HGM] variantswitch: make engine aware of new variant
10303 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10304 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10305 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10306 SendToProgram(buf, cps);
10307 currentlyInitializedVariant = gameInfo.variant;
10309 SendToProgram("force\n", cps);
10310 if (startedFromSetupPosition) {
10311 SendBoard(cps, backwardMostMove);
10312 if (appData.debugMode) {
10313 fprintf(debugFP, "feedMoves\n");
10316 for (i = backwardMostMove; i < upto; i++) {
10317 SendMoveToProgram(i, cps);
10323 ResurrectChessProgram()
10325 /* The chess program may have exited.
10326 If so, restart it and feed it all the moves made so far. */
10327 static int doInit = 0;
10329 if (appData.noChessProgram) return 1;
10331 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10332 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10333 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10334 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10336 if (first.pr != NoProc) return 1;
10337 StartChessProgram(&first);
10339 InitChessProgram(&first, FALSE);
10340 FeedMovesToProgram(&first, currentMove);
10342 if (!first.sendTime) {
10343 /* can't tell gnuchess what its clock should read,
10344 so we bow to its notion. */
10346 timeRemaining[0][currentMove] = whiteTimeRemaining;
10347 timeRemaining[1][currentMove] = blackTimeRemaining;
10350 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10351 appData.icsEngineAnalyze) && first.analysisSupport) {
10352 SendToProgram("analyze\n", &first);
10353 first.analyzing = TRUE;
10359 * Button procedures
10362 Reset(redraw, init)
10367 if (appData.debugMode) {
10368 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10369 redraw, init, gameMode);
10371 CleanupTail(); // [HGM] vari: delete any stored variations
10372 pausing = pauseExamInvalid = FALSE;
10373 startedFromSetupPosition = blackPlaysFirst = FALSE;
10375 whiteFlag = blackFlag = FALSE;
10376 userOfferedDraw = FALSE;
10377 hintRequested = bookRequested = FALSE;
10378 first.maybeThinking = FALSE;
10379 second.maybeThinking = FALSE;
10380 first.bookSuspend = FALSE; // [HGM] book
10381 second.bookSuspend = FALSE;
10382 thinkOutput[0] = NULLCHAR;
10383 lastHint[0] = NULLCHAR;
10384 ClearGameInfo(&gameInfo);
10385 gameInfo.variant = StringToVariant(appData.variant);
10386 ics_user_moved = ics_clock_paused = FALSE;
10387 ics_getting_history = H_FALSE;
10389 white_holding[0] = black_holding[0] = NULLCHAR;
10390 ClearProgramStats();
10391 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10395 flipView = appData.flipView;
10396 ClearPremoveHighlights();
10397 gotPremove = FALSE;
10398 alarmSounded = FALSE;
10400 GameEnds(EndOfFile, NULL, GE_PLAYER);
10401 if(appData.serverMovesName != NULL) {
10402 /* [HGM] prepare to make moves file for broadcasting */
10403 clock_t t = clock();
10404 if(serverMoves != NULL) fclose(serverMoves);
10405 serverMoves = fopen(appData.serverMovesName, "r");
10406 if(serverMoves != NULL) {
10407 fclose(serverMoves);
10408 /* delay 15 sec before overwriting, so all clients can see end */
10409 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10411 serverMoves = fopen(appData.serverMovesName, "w");
10415 gameMode = BeginningOfGame;
10417 if(appData.icsActive) gameInfo.variant = VariantNormal;
10418 currentMove = forwardMostMove = backwardMostMove = 0;
10419 InitPosition(redraw);
10420 for (i = 0; i < MAX_MOVES; i++) {
10421 if (commentList[i] != NULL) {
10422 free(commentList[i]);
10423 commentList[i] = NULL;
10427 timeRemaining[0][0] = whiteTimeRemaining;
10428 timeRemaining[1][0] = blackTimeRemaining;
10430 if (first.pr == NULL) {
10431 StartChessProgram(&first);
10434 InitChessProgram(&first, startedFromSetupPosition);
10437 DisplayMessage("", "");
10438 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10439 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10446 if (!AutoPlayOneMove())
10448 if (matchMode || appData.timeDelay == 0)
10450 if (appData.timeDelay < 0)
10452 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10461 int fromX, fromY, toX, toY;
10463 if (appData.debugMode) {
10464 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10467 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10470 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10471 pvInfoList[currentMove].depth = programStats.depth;
10472 pvInfoList[currentMove].score = programStats.score;
10473 pvInfoList[currentMove].time = 0;
10474 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10477 if (currentMove >= forwardMostMove) {
10478 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10479 gameMode = EditGame;
10482 /* [AS] Clear current move marker at the end of a game */
10483 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10488 toX = moveList[currentMove][2] - AAA;
10489 toY = moveList[currentMove][3] - ONE;
10491 if (moveList[currentMove][1] == '@') {
10492 if (appData.highlightLastMove) {
10493 SetHighlights(-1, -1, toX, toY);
10496 fromX = moveList[currentMove][0] - AAA;
10497 fromY = moveList[currentMove][1] - ONE;
10499 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10501 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10503 if (appData.highlightLastMove) {
10504 SetHighlights(fromX, fromY, toX, toY);
10507 DisplayMove(currentMove);
10508 SendMoveToProgram(currentMove++, &first);
10509 DisplayBothClocks();
10510 DrawPosition(FALSE, boards[currentMove]);
10511 // [HGM] PV info: always display, routine tests if empty
10512 DisplayComment(currentMove - 1, commentList[currentMove]);
10518 LoadGameOneMove(readAhead)
10519 ChessMove readAhead;
10521 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10522 char promoChar = NULLCHAR;
10523 ChessMove moveType;
10524 char move[MSG_SIZ];
10527 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10528 gameMode != AnalyzeMode && gameMode != Training) {
10533 yyboardindex = forwardMostMove;
10534 if (readAhead != EndOfFile) {
10535 moveType = readAhead;
10537 if (gameFileFP == NULL)
10539 moveType = (ChessMove) Myylex();
10543 switch (moveType) {
10545 if (appData.debugMode)
10546 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10549 /* append the comment but don't display it */
10550 AppendComment(currentMove, p, FALSE);
10553 case WhiteCapturesEnPassant:
10554 case BlackCapturesEnPassant:
10555 case WhitePromotion:
10556 case BlackPromotion:
10557 case WhiteNonPromotion:
10558 case BlackNonPromotion:
10560 case WhiteKingSideCastle:
10561 case WhiteQueenSideCastle:
10562 case BlackKingSideCastle:
10563 case BlackQueenSideCastle:
10564 case WhiteKingSideCastleWild:
10565 case WhiteQueenSideCastleWild:
10566 case BlackKingSideCastleWild:
10567 case BlackQueenSideCastleWild:
10569 case WhiteHSideCastleFR:
10570 case WhiteASideCastleFR:
10571 case BlackHSideCastleFR:
10572 case BlackASideCastleFR:
10574 if (appData.debugMode)
10575 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10576 fromX = currentMoveString[0] - AAA;
10577 fromY = currentMoveString[1] - ONE;
10578 toX = currentMoveString[2] - AAA;
10579 toY = currentMoveString[3] - ONE;
10580 promoChar = currentMoveString[4];
10585 if (appData.debugMode)
10586 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10587 fromX = moveType == WhiteDrop ?
10588 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10589 (int) CharToPiece(ToLower(currentMoveString[0]));
10591 toX = currentMoveString[2] - AAA;
10592 toY = currentMoveString[3] - ONE;
10598 case GameUnfinished:
10599 if (appData.debugMode)
10600 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10601 p = strchr(yy_text, '{');
10602 if (p == NULL) p = strchr(yy_text, '(');
10605 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10607 q = strchr(p, *p == '{' ? '}' : ')');
10608 if (q != NULL) *q = NULLCHAR;
10611 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10612 GameEnds(moveType, p, GE_FILE);
10614 if (cmailMsgLoaded) {
10616 flipView = WhiteOnMove(currentMove);
10617 if (moveType == GameUnfinished) flipView = !flipView;
10618 if (appData.debugMode)
10619 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10624 if (appData.debugMode)
10625 fprintf(debugFP, "Parser hit end of file\n");
10626 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10632 if (WhiteOnMove(currentMove)) {
10633 GameEnds(BlackWins, "Black mates", GE_FILE);
10635 GameEnds(WhiteWins, "White mates", GE_FILE);
10639 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10645 case MoveNumberOne:
10646 if (lastLoadGameStart == GNUChessGame) {
10647 /* GNUChessGames have numbers, but they aren't move numbers */
10648 if (appData.debugMode)
10649 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10650 yy_text, (int) moveType);
10651 return LoadGameOneMove(EndOfFile); /* tail recursion */
10653 /* else fall thru */
10658 /* Reached start of next game in file */
10659 if (appData.debugMode)
10660 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10661 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10667 if (WhiteOnMove(currentMove)) {
10668 GameEnds(BlackWins, "Black mates", GE_FILE);
10670 GameEnds(WhiteWins, "White mates", GE_FILE);
10674 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10680 case PositionDiagram: /* should not happen; ignore */
10681 case ElapsedTime: /* ignore */
10682 case NAG: /* ignore */
10683 if (appData.debugMode)
10684 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10685 yy_text, (int) moveType);
10686 return LoadGameOneMove(EndOfFile); /* tail recursion */
10689 if (appData.testLegality) {
10690 if (appData.debugMode)
10691 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10692 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10693 (forwardMostMove / 2) + 1,
10694 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10695 DisplayError(move, 0);
10698 if (appData.debugMode)
10699 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10700 yy_text, currentMoveString);
10701 fromX = currentMoveString[0] - AAA;
10702 fromY = currentMoveString[1] - ONE;
10703 toX = currentMoveString[2] - AAA;
10704 toY = currentMoveString[3] - ONE;
10705 promoChar = currentMoveString[4];
10709 case AmbiguousMove:
10710 if (appData.debugMode)
10711 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10712 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10713 (forwardMostMove / 2) + 1,
10714 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10715 DisplayError(move, 0);
10720 case ImpossibleMove:
10721 if (appData.debugMode)
10722 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10723 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10724 (forwardMostMove / 2) + 1,
10725 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10726 DisplayError(move, 0);
10732 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10733 DrawPosition(FALSE, boards[currentMove]);
10734 DisplayBothClocks();
10735 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10736 DisplayComment(currentMove - 1, commentList[currentMove]);
10738 (void) StopLoadGameTimer();
10740 cmailOldMove = forwardMostMove;
10743 /* currentMoveString is set as a side-effect of yylex */
10745 thinkOutput[0] = NULLCHAR;
10746 MakeMove(fromX, fromY, toX, toY, promoChar);
10747 currentMove = forwardMostMove;
10752 /* Load the nth game from the given file */
10754 LoadGameFromFile(filename, n, title, useList)
10758 /*Boolean*/ int useList;
10763 if (strcmp(filename, "-") == 0) {
10767 f = fopen(filename, "rb");
10769 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10770 DisplayError(buf, errno);
10774 if (fseek(f, 0, 0) == -1) {
10775 /* f is not seekable; probably a pipe */
10778 if (useList && n == 0) {
10779 int error = GameListBuild(f);
10781 DisplayError(_("Cannot build game list"), error);
10782 } else if (!ListEmpty(&gameList) &&
10783 ((ListGame *) gameList.tailPred)->number > 1) {
10784 GameListPopUp(f, title);
10791 return LoadGame(f, n, title, FALSE);
10796 MakeRegisteredMove()
10798 int fromX, fromY, toX, toY;
10800 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10801 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10804 if (appData.debugMode)
10805 fprintf(debugFP, "Restoring %s for game %d\n",
10806 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10808 thinkOutput[0] = NULLCHAR;
10809 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10810 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10811 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10812 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10813 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10814 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10815 MakeMove(fromX, fromY, toX, toY, promoChar);
10816 ShowMove(fromX, fromY, toX, toY);
10818 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10825 if (WhiteOnMove(currentMove)) {
10826 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10828 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10833 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10840 if (WhiteOnMove(currentMove)) {
10841 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10843 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10848 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10859 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10861 CmailLoadGame(f, gameNumber, title, useList)
10869 if (gameNumber > nCmailGames) {
10870 DisplayError(_("No more games in this message"), 0);
10873 if (f == lastLoadGameFP) {
10874 int offset = gameNumber - lastLoadGameNumber;
10876 cmailMsg[0] = NULLCHAR;
10877 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10878 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10879 nCmailMovesRegistered--;
10881 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10882 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10883 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10886 if (! RegisterMove()) return FALSE;
10890 retVal = LoadGame(f, gameNumber, title, useList);
10892 /* Make move registered during previous look at this game, if any */
10893 MakeRegisteredMove();
10895 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10896 commentList[currentMove]
10897 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10898 DisplayComment(currentMove - 1, commentList[currentMove]);
10904 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10909 int gameNumber = lastLoadGameNumber + offset;
10910 if (lastLoadGameFP == NULL) {
10911 DisplayError(_("No game has been loaded yet"), 0);
10914 if (gameNumber <= 0) {
10915 DisplayError(_("Can't back up any further"), 0);
10918 if (cmailMsgLoaded) {
10919 return CmailLoadGame(lastLoadGameFP, gameNumber,
10920 lastLoadGameTitle, lastLoadGameUseList);
10922 return LoadGame(lastLoadGameFP, gameNumber,
10923 lastLoadGameTitle, lastLoadGameUseList);
10929 /* Load the nth game from open file f */
10931 LoadGame(f, gameNumber, title, useList)
10939 int gn = gameNumber;
10940 ListGame *lg = NULL;
10941 int numPGNTags = 0;
10943 GameMode oldGameMode;
10944 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10946 if (appData.debugMode)
10947 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10949 if (gameMode == Training )
10950 SetTrainingModeOff();
10952 oldGameMode = gameMode;
10953 if (gameMode != BeginningOfGame) {
10954 Reset(FALSE, TRUE);
10958 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10959 fclose(lastLoadGameFP);
10963 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10966 fseek(f, lg->offset, 0);
10967 GameListHighlight(gameNumber);
10971 DisplayError(_("Game number out of range"), 0);
10976 if (fseek(f, 0, 0) == -1) {
10977 if (f == lastLoadGameFP ?
10978 gameNumber == lastLoadGameNumber + 1 :
10982 DisplayError(_("Can't seek on game file"), 0);
10987 lastLoadGameFP = f;
10988 lastLoadGameNumber = gameNumber;
10989 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10990 lastLoadGameUseList = useList;
10994 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10995 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10996 lg->gameInfo.black);
10998 } else if (*title != NULLCHAR) {
10999 if (gameNumber > 1) {
11000 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11003 DisplayTitle(title);
11007 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11008 gameMode = PlayFromGameFile;
11012 currentMove = forwardMostMove = backwardMostMove = 0;
11013 CopyBoard(boards[0], initialPosition);
11017 * Skip the first gn-1 games in the file.
11018 * Also skip over anything that precedes an identifiable
11019 * start of game marker, to avoid being confused by
11020 * garbage at the start of the file. Currently
11021 * recognized start of game markers are the move number "1",
11022 * the pattern "gnuchess .* game", the pattern
11023 * "^[#;%] [^ ]* game file", and a PGN tag block.
11024 * A game that starts with one of the latter two patterns
11025 * will also have a move number 1, possibly
11026 * following a position diagram.
11027 * 5-4-02: Let's try being more lenient and allowing a game to
11028 * start with an unnumbered move. Does that break anything?
11030 cm = lastLoadGameStart = EndOfFile;
11032 yyboardindex = forwardMostMove;
11033 cm = (ChessMove) Myylex();
11036 if (cmailMsgLoaded) {
11037 nCmailGames = CMAIL_MAX_GAMES - gn;
11040 DisplayError(_("Game not found in file"), 0);
11047 lastLoadGameStart = cm;
11050 case MoveNumberOne:
11051 switch (lastLoadGameStart) {
11056 case MoveNumberOne:
11058 gn--; /* count this game */
11059 lastLoadGameStart = cm;
11068 switch (lastLoadGameStart) {
11071 case MoveNumberOne:
11073 gn--; /* count this game */
11074 lastLoadGameStart = cm;
11077 lastLoadGameStart = cm; /* game counted already */
11085 yyboardindex = forwardMostMove;
11086 cm = (ChessMove) Myylex();
11087 } while (cm == PGNTag || cm == Comment);
11094 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11095 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11096 != CMAIL_OLD_RESULT) {
11098 cmailResult[ CMAIL_MAX_GAMES
11099 - gn - 1] = CMAIL_OLD_RESULT;
11105 /* Only a NormalMove can be at the start of a game
11106 * without a position diagram. */
11107 if (lastLoadGameStart == EndOfFile ) {
11109 lastLoadGameStart = MoveNumberOne;
11118 if (appData.debugMode)
11119 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11121 if (cm == XBoardGame) {
11122 /* Skip any header junk before position diagram and/or move 1 */
11124 yyboardindex = forwardMostMove;
11125 cm = (ChessMove) Myylex();
11127 if (cm == EndOfFile ||
11128 cm == GNUChessGame || cm == XBoardGame) {
11129 /* Empty game; pretend end-of-file and handle later */
11134 if (cm == MoveNumberOne || cm == PositionDiagram ||
11135 cm == PGNTag || cm == Comment)
11138 } else if (cm == GNUChessGame) {
11139 if (gameInfo.event != NULL) {
11140 free(gameInfo.event);
11142 gameInfo.event = StrSave(yy_text);
11145 startedFromSetupPosition = FALSE;
11146 while (cm == PGNTag) {
11147 if (appData.debugMode)
11148 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11149 err = ParsePGNTag(yy_text, &gameInfo);
11150 if (!err) numPGNTags++;
11152 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11153 if(gameInfo.variant != oldVariant) {
11154 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11155 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11156 InitPosition(TRUE);
11157 oldVariant = gameInfo.variant;
11158 if (appData.debugMode)
11159 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11163 if (gameInfo.fen != NULL) {
11164 Board initial_position;
11165 startedFromSetupPosition = TRUE;
11166 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11168 DisplayError(_("Bad FEN position in file"), 0);
11171 CopyBoard(boards[0], initial_position);
11172 if (blackPlaysFirst) {
11173 currentMove = forwardMostMove = backwardMostMove = 1;
11174 CopyBoard(boards[1], initial_position);
11175 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11176 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11177 timeRemaining[0][1] = whiteTimeRemaining;
11178 timeRemaining[1][1] = blackTimeRemaining;
11179 if (commentList[0] != NULL) {
11180 commentList[1] = commentList[0];
11181 commentList[0] = NULL;
11184 currentMove = forwardMostMove = backwardMostMove = 0;
11186 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11188 initialRulePlies = FENrulePlies;
11189 for( i=0; i< nrCastlingRights; i++ )
11190 initialRights[i] = initial_position[CASTLING][i];
11192 yyboardindex = forwardMostMove;
11193 free(gameInfo.fen);
11194 gameInfo.fen = NULL;
11197 yyboardindex = forwardMostMove;
11198 cm = (ChessMove) Myylex();
11200 /* Handle comments interspersed among the tags */
11201 while (cm == Comment) {
11203 if (appData.debugMode)
11204 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11206 AppendComment(currentMove, p, FALSE);
11207 yyboardindex = forwardMostMove;
11208 cm = (ChessMove) Myylex();
11212 /* don't rely on existence of Event tag since if game was
11213 * pasted from clipboard the Event tag may not exist
11215 if (numPGNTags > 0){
11217 if (gameInfo.variant == VariantNormal) {
11218 VariantClass v = StringToVariant(gameInfo.event);
11219 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11220 if(v < VariantShogi) gameInfo.variant = v;
11223 if( appData.autoDisplayTags ) {
11224 tags = PGNTags(&gameInfo);
11225 TagsPopUp(tags, CmailMsg());
11230 /* Make something up, but don't display it now */
11235 if (cm == PositionDiagram) {
11238 Board initial_position;
11240 if (appData.debugMode)
11241 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11243 if (!startedFromSetupPosition) {
11245 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11246 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11257 initial_position[i][j++] = CharToPiece(*p);
11260 while (*p == ' ' || *p == '\t' ||
11261 *p == '\n' || *p == '\r') p++;
11263 if (strncmp(p, "black", strlen("black"))==0)
11264 blackPlaysFirst = TRUE;
11266 blackPlaysFirst = FALSE;
11267 startedFromSetupPosition = TRUE;
11269 CopyBoard(boards[0], initial_position);
11270 if (blackPlaysFirst) {
11271 currentMove = forwardMostMove = backwardMostMove = 1;
11272 CopyBoard(boards[1], initial_position);
11273 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11274 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11275 timeRemaining[0][1] = whiteTimeRemaining;
11276 timeRemaining[1][1] = blackTimeRemaining;
11277 if (commentList[0] != NULL) {
11278 commentList[1] = commentList[0];
11279 commentList[0] = NULL;
11282 currentMove = forwardMostMove = backwardMostMove = 0;
11285 yyboardindex = forwardMostMove;
11286 cm = (ChessMove) Myylex();
11289 if (first.pr == NoProc) {
11290 StartChessProgram(&first);
11292 InitChessProgram(&first, FALSE);
11293 SendToProgram("force\n", &first);
11294 if (startedFromSetupPosition) {
11295 SendBoard(&first, forwardMostMove);
11296 if (appData.debugMode) {
11297 fprintf(debugFP, "Load Game\n");
11299 DisplayBothClocks();
11302 /* [HGM] server: flag to write setup moves in broadcast file as one */
11303 loadFlag = appData.suppressLoadMoves;
11305 while (cm == Comment) {
11307 if (appData.debugMode)
11308 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11310 AppendComment(currentMove, p, FALSE);
11311 yyboardindex = forwardMostMove;
11312 cm = (ChessMove) Myylex();
11315 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11316 cm == WhiteWins || cm == BlackWins ||
11317 cm == GameIsDrawn || cm == GameUnfinished) {
11318 DisplayMessage("", _("No moves in game"));
11319 if (cmailMsgLoaded) {
11320 if (appData.debugMode)
11321 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11325 DrawPosition(FALSE, boards[currentMove]);
11326 DisplayBothClocks();
11327 gameMode = EditGame;
11334 // [HGM] PV info: routine tests if comment empty
11335 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11336 DisplayComment(currentMove - 1, commentList[currentMove]);
11338 if (!matchMode && appData.timeDelay != 0)
11339 DrawPosition(FALSE, boards[currentMove]);
11341 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11342 programStats.ok_to_send = 1;
11345 /* if the first token after the PGN tags is a move
11346 * and not move number 1, retrieve it from the parser
11348 if (cm != MoveNumberOne)
11349 LoadGameOneMove(cm);
11351 /* load the remaining moves from the file */
11352 while (LoadGameOneMove(EndOfFile)) {
11353 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11354 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11357 /* rewind to the start of the game */
11358 currentMove = backwardMostMove;
11360 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11362 if (oldGameMode == AnalyzeFile ||
11363 oldGameMode == AnalyzeMode) {
11364 AnalyzeFileEvent();
11367 if (matchMode || appData.timeDelay == 0) {
11369 gameMode = EditGame;
11371 } else if (appData.timeDelay > 0) {
11372 AutoPlayGameLoop();
11375 if (appData.debugMode)
11376 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11378 loadFlag = 0; /* [HGM] true game starts */
11382 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11384 ReloadPosition(offset)
11387 int positionNumber = lastLoadPositionNumber + offset;
11388 if (lastLoadPositionFP == NULL) {
11389 DisplayError(_("No position has been loaded yet"), 0);
11392 if (positionNumber <= 0) {
11393 DisplayError(_("Can't back up any further"), 0);
11396 return LoadPosition(lastLoadPositionFP, positionNumber,
11397 lastLoadPositionTitle);
11400 /* Load the nth position from the given file */
11402 LoadPositionFromFile(filename, n, title)
11410 if (strcmp(filename, "-") == 0) {
11411 return LoadPosition(stdin, n, "stdin");
11413 f = fopen(filename, "rb");
11415 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11416 DisplayError(buf, errno);
11419 return LoadPosition(f, n, title);
11424 /* Load the nth position from the given open file, and close it */
11426 LoadPosition(f, positionNumber, title)
11428 int positionNumber;
11431 char *p, line[MSG_SIZ];
11432 Board initial_position;
11433 int i, j, fenMode, pn;
11435 if (gameMode == Training )
11436 SetTrainingModeOff();
11438 if (gameMode != BeginningOfGame) {
11439 Reset(FALSE, TRUE);
11441 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11442 fclose(lastLoadPositionFP);
11444 if (positionNumber == 0) positionNumber = 1;
11445 lastLoadPositionFP = f;
11446 lastLoadPositionNumber = positionNumber;
11447 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11448 if (first.pr == NoProc) {
11449 StartChessProgram(&first);
11450 InitChessProgram(&first, FALSE);
11452 pn = positionNumber;
11453 if (positionNumber < 0) {
11454 /* Negative position number means to seek to that byte offset */
11455 if (fseek(f, -positionNumber, 0) == -1) {
11456 DisplayError(_("Can't seek on position file"), 0);
11461 if (fseek(f, 0, 0) == -1) {
11462 if (f == lastLoadPositionFP ?
11463 positionNumber == lastLoadPositionNumber + 1 :
11464 positionNumber == 1) {
11467 DisplayError(_("Can't seek on position file"), 0);
11472 /* See if this file is FEN or old-style xboard */
11473 if (fgets(line, MSG_SIZ, f) == NULL) {
11474 DisplayError(_("Position not found in file"), 0);
11477 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11478 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11481 if (fenMode || line[0] == '#') pn--;
11483 /* skip positions before number pn */
11484 if (fgets(line, MSG_SIZ, f) == NULL) {
11486 DisplayError(_("Position not found in file"), 0);
11489 if (fenMode || line[0] == '#') pn--;
11494 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11495 DisplayError(_("Bad FEN position in file"), 0);
11499 (void) fgets(line, MSG_SIZ, f);
11500 (void) fgets(line, MSG_SIZ, f);
11502 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11503 (void) fgets(line, MSG_SIZ, f);
11504 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11507 initial_position[i][j++] = CharToPiece(*p);
11511 blackPlaysFirst = FALSE;
11513 (void) fgets(line, MSG_SIZ, f);
11514 if (strncmp(line, "black", strlen("black"))==0)
11515 blackPlaysFirst = TRUE;
11518 startedFromSetupPosition = TRUE;
11520 SendToProgram("force\n", &first);
11521 CopyBoard(boards[0], initial_position);
11522 if (blackPlaysFirst) {
11523 currentMove = forwardMostMove = backwardMostMove = 1;
11524 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11525 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11526 CopyBoard(boards[1], initial_position);
11527 DisplayMessage("", _("Black to play"));
11529 currentMove = forwardMostMove = backwardMostMove = 0;
11530 DisplayMessage("", _("White to play"));
11532 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11533 SendBoard(&first, forwardMostMove);
11534 if (appData.debugMode) {
11536 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11537 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11538 fprintf(debugFP, "Load Position\n");
11541 if (positionNumber > 1) {
11542 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11543 DisplayTitle(line);
11545 DisplayTitle(title);
11547 gameMode = EditGame;
11550 timeRemaining[0][1] = whiteTimeRemaining;
11551 timeRemaining[1][1] = blackTimeRemaining;
11552 DrawPosition(FALSE, boards[currentMove]);
11559 CopyPlayerNameIntoFileName(dest, src)
11562 while (*src != NULLCHAR && *src != ',') {
11567 *(*dest)++ = *src++;
11572 char *DefaultFileName(ext)
11575 static char def[MSG_SIZ];
11578 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11580 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11582 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11584 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11591 /* Save the current game to the given file */
11593 SaveGameToFile(filename, append)
11601 if (strcmp(filename, "-") == 0) {
11602 return SaveGame(stdout, 0, NULL);
11604 f = fopen(filename, append ? "a" : "w");
11606 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11607 DisplayError(buf, errno);
11610 safeStrCpy(buf, lastMsg, MSG_SIZ);
11611 DisplayMessage(_("Waiting for access to save file"), "");
11612 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11613 DisplayMessage(_("Saving game"), "");
11614 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11615 result = SaveGame(f, 0, NULL);
11616 DisplayMessage(buf, "");
11626 static char buf[MSG_SIZ];
11629 p = strchr(str, ' ');
11630 if (p == NULL) return str;
11631 strncpy(buf, str, p - str);
11632 buf[p - str] = NULLCHAR;
11636 #define PGN_MAX_LINE 75
11638 #define PGN_SIDE_WHITE 0
11639 #define PGN_SIDE_BLACK 1
11642 static int FindFirstMoveOutOfBook( int side )
11646 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11647 int index = backwardMostMove;
11648 int has_book_hit = 0;
11650 if( (index % 2) != side ) {
11654 while( index < forwardMostMove ) {
11655 /* Check to see if engine is in book */
11656 int depth = pvInfoList[index].depth;
11657 int score = pvInfoList[index].score;
11663 else if( score == 0 && depth == 63 ) {
11664 in_book = 1; /* Zappa */
11666 else if( score == 2 && depth == 99 ) {
11667 in_book = 1; /* Abrok */
11670 has_book_hit += in_book;
11686 void GetOutOfBookInfo( char * buf )
11690 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11692 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11693 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11697 if( oob[0] >= 0 || oob[1] >= 0 ) {
11698 for( i=0; i<2; i++ ) {
11702 if( i > 0 && oob[0] >= 0 ) {
11703 strcat( buf, " " );
11706 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11707 sprintf( buf+strlen(buf), "%s%.2f",
11708 pvInfoList[idx].score >= 0 ? "+" : "",
11709 pvInfoList[idx].score / 100.0 );
11715 /* Save game in PGN style and close the file */
11720 int i, offset, linelen, newblock;
11724 int movelen, numlen, blank;
11725 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11727 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11729 tm = time((time_t *) NULL);
11731 PrintPGNTags(f, &gameInfo);
11733 if (backwardMostMove > 0 || startedFromSetupPosition) {
11734 char *fen = PositionToFEN(backwardMostMove, NULL);
11735 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11736 fprintf(f, "\n{--------------\n");
11737 PrintPosition(f, backwardMostMove);
11738 fprintf(f, "--------------}\n");
11742 /* [AS] Out of book annotation */
11743 if( appData.saveOutOfBookInfo ) {
11746 GetOutOfBookInfo( buf );
11748 if( buf[0] != '\0' ) {
11749 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11756 i = backwardMostMove;
11760 while (i < forwardMostMove) {
11761 /* Print comments preceding this move */
11762 if (commentList[i] != NULL) {
11763 if (linelen > 0) fprintf(f, "\n");
11764 fprintf(f, "%s", commentList[i]);
11769 /* Format move number */
11771 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11774 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11776 numtext[0] = NULLCHAR;
11778 numlen = strlen(numtext);
11781 /* Print move number */
11782 blank = linelen > 0 && numlen > 0;
11783 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11792 fprintf(f, "%s", numtext);
11796 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11797 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11800 blank = linelen > 0 && movelen > 0;
11801 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11810 fprintf(f, "%s", move_buffer);
11811 linelen += movelen;
11813 /* [AS] Add PV info if present */
11814 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11815 /* [HGM] add time */
11816 char buf[MSG_SIZ]; int seconds;
11818 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11824 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11827 seconds = (seconds + 4)/10; // round to full seconds
11829 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11831 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11834 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11835 pvInfoList[i].score >= 0 ? "+" : "",
11836 pvInfoList[i].score / 100.0,
11837 pvInfoList[i].depth,
11840 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11842 /* Print score/depth */
11843 blank = linelen > 0 && movelen > 0;
11844 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11853 fprintf(f, "%s", move_buffer);
11854 linelen += movelen;
11860 /* Start a new line */
11861 if (linelen > 0) fprintf(f, "\n");
11863 /* Print comments after last move */
11864 if (commentList[i] != NULL) {
11865 fprintf(f, "%s\n", commentList[i]);
11869 if (gameInfo.resultDetails != NULL &&
11870 gameInfo.resultDetails[0] != NULLCHAR) {
11871 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11872 PGNResult(gameInfo.result));
11874 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11878 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11882 /* Save game in old style and close the file */
11884 SaveGameOldStyle(f)
11890 tm = time((time_t *) NULL);
11892 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11895 if (backwardMostMove > 0 || startedFromSetupPosition) {
11896 fprintf(f, "\n[--------------\n");
11897 PrintPosition(f, backwardMostMove);
11898 fprintf(f, "--------------]\n");
11903 i = backwardMostMove;
11904 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11906 while (i < forwardMostMove) {
11907 if (commentList[i] != NULL) {
11908 fprintf(f, "[%s]\n", commentList[i]);
11911 if ((i % 2) == 1) {
11912 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11915 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11917 if (commentList[i] != NULL) {
11921 if (i >= forwardMostMove) {
11925 fprintf(f, "%s\n", parseList[i]);
11930 if (commentList[i] != NULL) {
11931 fprintf(f, "[%s]\n", commentList[i]);
11934 /* This isn't really the old style, but it's close enough */
11935 if (gameInfo.resultDetails != NULL &&
11936 gameInfo.resultDetails[0] != NULLCHAR) {
11937 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11938 gameInfo.resultDetails);
11940 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11947 /* Save the current game to open file f and close the file */
11949 SaveGame(f, dummy, dummy2)
11954 if (gameMode == EditPosition) EditPositionDone(TRUE);
11955 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11956 if (appData.oldSaveStyle)
11957 return SaveGameOldStyle(f);
11959 return SaveGamePGN(f);
11962 /* Save the current position to the given file */
11964 SavePositionToFile(filename)
11970 if (strcmp(filename, "-") == 0) {
11971 return SavePosition(stdout, 0, NULL);
11973 f = fopen(filename, "a");
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
11982 DisplayMessage(_("Saving position"), "");
11983 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
11984 SavePosition(f, 0, NULL);
11985 DisplayMessage(buf, "");
11991 /* Save the current position to the given open file and close the file */
11993 SavePosition(f, dummy, dummy2)
12001 if (gameMode == EditPosition) EditPositionDone(TRUE);
12002 if (appData.oldSaveStyle) {
12003 tm = time((time_t *) NULL);
12005 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12007 fprintf(f, "[--------------\n");
12008 PrintPosition(f, currentMove);
12009 fprintf(f, "--------------]\n");
12011 fen = PositionToFEN(currentMove, NULL);
12012 fprintf(f, "%s\n", fen);
12020 ReloadCmailMsgEvent(unregister)
12024 static char *inFilename = NULL;
12025 static char *outFilename;
12027 struct stat inbuf, outbuf;
12030 /* Any registered moves are unregistered if unregister is set, */
12031 /* i.e. invoked by the signal handler */
12033 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12034 cmailMoveRegistered[i] = FALSE;
12035 if (cmailCommentList[i] != NULL) {
12036 free(cmailCommentList[i]);
12037 cmailCommentList[i] = NULL;
12040 nCmailMovesRegistered = 0;
12043 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12044 cmailResult[i] = CMAIL_NOT_RESULT;
12048 if (inFilename == NULL) {
12049 /* Because the filenames are static they only get malloced once */
12050 /* and they never get freed */
12051 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12052 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12054 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12055 sprintf(outFilename, "%s.out", appData.cmailGameName);
12058 status = stat(outFilename, &outbuf);
12060 cmailMailedMove = FALSE;
12062 status = stat(inFilename, &inbuf);
12063 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12066 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12067 counts the games, notes how each one terminated, etc.
12069 It would be nice to remove this kludge and instead gather all
12070 the information while building the game list. (And to keep it
12071 in the game list nodes instead of having a bunch of fixed-size
12072 parallel arrays.) Note this will require getting each game's
12073 termination from the PGN tags, as the game list builder does
12074 not process the game moves. --mann
12076 cmailMsgLoaded = TRUE;
12077 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12079 /* Load first game in the file or popup game menu */
12080 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12082 #endif /* !WIN32 */
12090 char string[MSG_SIZ];
12092 if ( cmailMailedMove
12093 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12094 return TRUE; /* Allow free viewing */
12097 /* Unregister move to ensure that we don't leave RegisterMove */
12098 /* with the move registered when the conditions for registering no */
12100 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12101 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12102 nCmailMovesRegistered --;
12104 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12106 free(cmailCommentList[lastLoadGameNumber - 1]);
12107 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12111 if (cmailOldMove == -1) {
12112 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12116 if (currentMove > cmailOldMove + 1) {
12117 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12121 if (currentMove < cmailOldMove) {
12122 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12126 if (forwardMostMove > currentMove) {
12127 /* Silently truncate extra moves */
12131 if ( (currentMove == cmailOldMove + 1)
12132 || ( (currentMove == cmailOldMove)
12133 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12134 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12135 if (gameInfo.result != GameUnfinished) {
12136 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12139 if (commentList[currentMove] != NULL) {
12140 cmailCommentList[lastLoadGameNumber - 1]
12141 = StrSave(commentList[currentMove]);
12143 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12145 if (appData.debugMode)
12146 fprintf(debugFP, "Saving %s for game %d\n",
12147 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12149 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12151 f = fopen(string, "w");
12152 if (appData.oldSaveStyle) {
12153 SaveGameOldStyle(f); /* also closes the file */
12155 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12156 f = fopen(string, "w");
12157 SavePosition(f, 0, NULL); /* also closes the file */
12159 fprintf(f, "{--------------\n");
12160 PrintPosition(f, currentMove);
12161 fprintf(f, "--------------}\n\n");
12163 SaveGame(f, 0, NULL); /* also closes the file*/
12166 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12167 nCmailMovesRegistered ++;
12168 } else if (nCmailGames == 1) {
12169 DisplayError(_("You have not made a move yet"), 0);
12180 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12181 FILE *commandOutput;
12182 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12183 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12189 if (! cmailMsgLoaded) {
12190 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12194 if (nCmailGames == nCmailResults) {
12195 DisplayError(_("No unfinished games"), 0);
12199 #if CMAIL_PROHIBIT_REMAIL
12200 if (cmailMailedMove) {
12201 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);
12202 DisplayError(msg, 0);
12207 if (! (cmailMailedMove || RegisterMove())) return;
12209 if ( cmailMailedMove
12210 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12211 snprintf(string, MSG_SIZ, partCommandString,
12212 appData.debugMode ? " -v" : "", appData.cmailGameName);
12213 commandOutput = popen(string, "r");
12215 if (commandOutput == NULL) {
12216 DisplayError(_("Failed to invoke cmail"), 0);
12218 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12219 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12221 if (nBuffers > 1) {
12222 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12223 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12224 nBytes = MSG_SIZ - 1;
12226 (void) memcpy(msg, buffer, nBytes);
12228 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12230 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12231 cmailMailedMove = TRUE; /* Prevent >1 moves */
12234 for (i = 0; i < nCmailGames; i ++) {
12235 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12240 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12242 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12244 appData.cmailGameName,
12246 LoadGameFromFile(buffer, 1, buffer, FALSE);
12247 cmailMsgLoaded = FALSE;
12251 DisplayInformation(msg);
12252 pclose(commandOutput);
12255 if ((*cmailMsg) != '\0') {
12256 DisplayInformation(cmailMsg);
12261 #endif /* !WIN32 */
12270 int prependComma = 0;
12272 char string[MSG_SIZ]; /* Space for game-list */
12275 if (!cmailMsgLoaded) return "";
12277 if (cmailMailedMove) {
12278 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12280 /* Create a list of games left */
12281 snprintf(string, MSG_SIZ, "[");
12282 for (i = 0; i < nCmailGames; i ++) {
12283 if (! ( cmailMoveRegistered[i]
12284 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12285 if (prependComma) {
12286 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12288 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12292 strcat(string, number);
12295 strcat(string, "]");
12297 if (nCmailMovesRegistered + nCmailResults == 0) {
12298 switch (nCmailGames) {
12300 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12304 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12308 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12313 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12315 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12320 if (nCmailResults == nCmailGames) {
12321 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12323 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12328 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12340 if (gameMode == Training)
12341 SetTrainingModeOff();
12344 cmailMsgLoaded = FALSE;
12345 if (appData.icsActive) {
12346 SendToICS(ics_prefix);
12347 SendToICS("refresh\n");
12357 /* Give up on clean exit */
12361 /* Keep trying for clean exit */
12365 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12367 if (telnetISR != NULL) {
12368 RemoveInputSource(telnetISR);
12370 if (icsPR != NoProc) {
12371 DestroyChildProcess(icsPR, TRUE);
12374 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12375 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12377 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12378 /* make sure this other one finishes before killing it! */
12379 if(endingGame) { int count = 0;
12380 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12381 while(endingGame && count++ < 10) DoSleep(1);
12382 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12385 /* Kill off chess programs */
12386 if (first.pr != NoProc) {
12389 DoSleep( appData.delayBeforeQuit );
12390 SendToProgram("quit\n", &first);
12391 DoSleep( appData.delayAfterQuit );
12392 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12394 if (second.pr != NoProc) {
12395 DoSleep( appData.delayBeforeQuit );
12396 SendToProgram("quit\n", &second);
12397 DoSleep( appData.delayAfterQuit );
12398 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12400 if (first.isr != NULL) {
12401 RemoveInputSource(first.isr);
12403 if (second.isr != NULL) {
12404 RemoveInputSource(second.isr);
12407 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12408 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12410 ShutDownFrontEnd();
12417 if (appData.debugMode)
12418 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12422 if (gameMode == MachinePlaysWhite ||
12423 gameMode == MachinePlaysBlack) {
12426 DisplayBothClocks();
12428 if (gameMode == PlayFromGameFile) {
12429 if (appData.timeDelay >= 0)
12430 AutoPlayGameLoop();
12431 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12432 Reset(FALSE, TRUE);
12433 SendToICS(ics_prefix);
12434 SendToICS("refresh\n");
12435 } else if (currentMove < forwardMostMove) {
12436 ForwardInner(forwardMostMove);
12438 pauseExamInvalid = FALSE;
12440 switch (gameMode) {
12444 pauseExamForwardMostMove = forwardMostMove;
12445 pauseExamInvalid = FALSE;
12448 case IcsPlayingWhite:
12449 case IcsPlayingBlack:
12453 case PlayFromGameFile:
12454 (void) StopLoadGameTimer();
12458 case BeginningOfGame:
12459 if (appData.icsActive) return;
12460 /* else fall through */
12461 case MachinePlaysWhite:
12462 case MachinePlaysBlack:
12463 case TwoMachinesPlay:
12464 if (forwardMostMove == 0)
12465 return; /* don't pause if no one has moved */
12466 if ((gameMode == MachinePlaysWhite &&
12467 !WhiteOnMove(forwardMostMove)) ||
12468 (gameMode == MachinePlaysBlack &&
12469 WhiteOnMove(forwardMostMove))) {
12482 char title[MSG_SIZ];
12484 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12485 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12487 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12488 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12489 parseList[currentMove - 1]);
12492 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12499 char *tags = PGNTags(&gameInfo);
12501 EditTagsPopUp(tags, NULL);
12508 if (appData.noChessProgram || gameMode == AnalyzeMode)
12511 if (gameMode != AnalyzeFile) {
12512 if (!appData.icsEngineAnalyze) {
12514 if (gameMode != EditGame) return;
12516 ResurrectChessProgram();
12517 SendToProgram("analyze\n", &first);
12518 first.analyzing = TRUE;
12519 /*first.maybeThinking = TRUE;*/
12520 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12521 EngineOutputPopUp();
12523 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12528 StartAnalysisClock();
12529 GetTimeMark(&lastNodeCountTime);
12536 if (appData.noChessProgram || gameMode == AnalyzeFile)
12539 if (gameMode != AnalyzeMode) {
12541 if (gameMode != EditGame) return;
12542 ResurrectChessProgram();
12543 SendToProgram("analyze\n", &first);
12544 first.analyzing = TRUE;
12545 /*first.maybeThinking = TRUE;*/
12546 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12547 EngineOutputPopUp();
12549 gameMode = AnalyzeFile;
12554 StartAnalysisClock();
12555 GetTimeMark(&lastNodeCountTime);
12560 MachineWhiteEvent()
12563 char *bookHit = NULL;
12565 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12569 if (gameMode == PlayFromGameFile ||
12570 gameMode == TwoMachinesPlay ||
12571 gameMode == Training ||
12572 gameMode == AnalyzeMode ||
12573 gameMode == EndOfGame)
12576 if (gameMode == EditPosition)
12577 EditPositionDone(TRUE);
12579 if (!WhiteOnMove(currentMove)) {
12580 DisplayError(_("It is not White's turn"), 0);
12584 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12587 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12588 gameMode == AnalyzeFile)
12591 ResurrectChessProgram(); /* in case it isn't running */
12592 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12593 gameMode = MachinePlaysWhite;
12596 gameMode = MachinePlaysWhite;
12600 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12602 if (first.sendName) {
12603 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12604 SendToProgram(buf, &first);
12606 if (first.sendTime) {
12607 if (first.useColors) {
12608 SendToProgram("black\n", &first); /*gnu kludge*/
12610 SendTimeRemaining(&first, TRUE);
12612 if (first.useColors) {
12613 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12615 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12616 SetMachineThinkingEnables();
12617 first.maybeThinking = TRUE;
12621 if (appData.autoFlipView && !flipView) {
12622 flipView = !flipView;
12623 DrawPosition(FALSE, NULL);
12624 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12627 if(bookHit) { // [HGM] book: simulate book reply
12628 static char bookMove[MSG_SIZ]; // a bit generous?
12630 programStats.nodes = programStats.depth = programStats.time =
12631 programStats.score = programStats.got_only_move = 0;
12632 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12634 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12635 strcat(bookMove, bookHit);
12636 HandleMachineMove(bookMove, &first);
12641 MachineBlackEvent()
12644 char *bookHit = NULL;
12646 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12650 if (gameMode == PlayFromGameFile ||
12651 gameMode == TwoMachinesPlay ||
12652 gameMode == Training ||
12653 gameMode == AnalyzeMode ||
12654 gameMode == EndOfGame)
12657 if (gameMode == EditPosition)
12658 EditPositionDone(TRUE);
12660 if (WhiteOnMove(currentMove)) {
12661 DisplayError(_("It is not Black's turn"), 0);
12665 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12668 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12669 gameMode == AnalyzeFile)
12672 ResurrectChessProgram(); /* in case it isn't running */
12673 gameMode = MachinePlaysBlack;
12677 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12679 if (first.sendName) {
12680 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12681 SendToProgram(buf, &first);
12683 if (first.sendTime) {
12684 if (first.useColors) {
12685 SendToProgram("white\n", &first); /*gnu kludge*/
12687 SendTimeRemaining(&first, FALSE);
12689 if (first.useColors) {
12690 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12692 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12693 SetMachineThinkingEnables();
12694 first.maybeThinking = TRUE;
12697 if (appData.autoFlipView && flipView) {
12698 flipView = !flipView;
12699 DrawPosition(FALSE, NULL);
12700 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12702 if(bookHit) { // [HGM] book: simulate book reply
12703 static char bookMove[MSG_SIZ]; // a bit generous?
12705 programStats.nodes = programStats.depth = programStats.time =
12706 programStats.score = programStats.got_only_move = 0;
12707 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12709 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12710 strcat(bookMove, bookHit);
12711 HandleMachineMove(bookMove, &first);
12717 DisplayTwoMachinesTitle()
12720 if (appData.matchGames > 0) {
12721 if(appData.tourneyFile[0]) {
12722 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
12723 gameInfo.white, gameInfo.black,
12724 nextGame+1, appData.matchGames+1,
12725 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
12727 if (first.twoMachinesColor[0] == 'w') {
12728 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12729 gameInfo.white, gameInfo.black,
12730 first.matchWins, second.matchWins,
12731 matchGame - 1 - (first.matchWins + second.matchWins));
12733 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12734 gameInfo.white, gameInfo.black,
12735 second.matchWins, first.matchWins,
12736 matchGame - 1 - (first.matchWins + second.matchWins));
12739 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12745 SettingsMenuIfReady()
12747 if (second.lastPing != second.lastPong) {
12748 DisplayMessage("", _("Waiting for second chess program"));
12749 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12753 DisplayMessage("", "");
12754 SettingsPopUp(&second);
12758 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12761 if (cps->pr == NULL) {
12762 StartChessProgram(cps);
12763 if (cps->protocolVersion == 1) {
12766 /* kludge: allow timeout for initial "feature" command */
12768 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12769 DisplayMessage("", buf);
12770 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12778 TwoMachinesEvent P((void))
12782 ChessProgramState *onmove;
12783 char *bookHit = NULL;
12784 static int stalling = 0;
12788 if (appData.noChessProgram) return;
12790 switch (gameMode) {
12791 case TwoMachinesPlay:
12793 case MachinePlaysWhite:
12794 case MachinePlaysBlack:
12795 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12796 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12800 case BeginningOfGame:
12801 case PlayFromGameFile:
12804 if (gameMode != EditGame) return;
12807 EditPositionDone(TRUE);
12818 // forwardMostMove = currentMove;
12819 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12821 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12823 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12824 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12825 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12829 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12830 SendToProgram("force\n", &second);
12832 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12835 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12836 if(appData.matchPause>10000 || appData.matchPause<10)
12837 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12838 wait = SubtractTimeMarks(&now, &pauseStart);
12839 if(wait < appData.matchPause) {
12840 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12844 DisplayMessage("", "");
12845 if (startedFromSetupPosition) {
12846 SendBoard(&second, backwardMostMove);
12847 if (appData.debugMode) {
12848 fprintf(debugFP, "Two Machines\n");
12851 for (i = backwardMostMove; i < forwardMostMove; i++) {
12852 SendMoveToProgram(i, &second);
12855 gameMode = TwoMachinesPlay;
12859 DisplayTwoMachinesTitle();
12861 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12866 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12867 SendToProgram(first.computerString, &first);
12868 if (first.sendName) {
12869 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12870 SendToProgram(buf, &first);
12872 SendToProgram(second.computerString, &second);
12873 if (second.sendName) {
12874 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12875 SendToProgram(buf, &second);
12879 if (!first.sendTime || !second.sendTime) {
12880 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12881 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12883 if (onmove->sendTime) {
12884 if (onmove->useColors) {
12885 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12887 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12889 if (onmove->useColors) {
12890 SendToProgram(onmove->twoMachinesColor, onmove);
12892 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12893 // SendToProgram("go\n", onmove);
12894 onmove->maybeThinking = TRUE;
12895 SetMachineThinkingEnables();
12899 if(bookHit) { // [HGM] book: simulate book reply
12900 static char bookMove[MSG_SIZ]; // a bit generous?
12902 programStats.nodes = programStats.depth = programStats.time =
12903 programStats.score = programStats.got_only_move = 0;
12904 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12906 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12907 strcat(bookMove, bookHit);
12908 savedMessage = bookMove; // args for deferred call
12909 savedState = onmove;
12910 ScheduleDelayedEvent(DeferredBookMove, 1);
12917 if (gameMode == Training) {
12918 SetTrainingModeOff();
12919 gameMode = PlayFromGameFile;
12920 DisplayMessage("", _("Training mode off"));
12922 gameMode = Training;
12923 animateTraining = appData.animate;
12925 /* make sure we are not already at the end of the game */
12926 if (currentMove < forwardMostMove) {
12927 SetTrainingModeOn();
12928 DisplayMessage("", _("Training mode on"));
12930 gameMode = PlayFromGameFile;
12931 DisplayError(_("Already at end of game"), 0);
12940 if (!appData.icsActive) return;
12941 switch (gameMode) {
12942 case IcsPlayingWhite:
12943 case IcsPlayingBlack:
12946 case BeginningOfGame:
12954 EditPositionDone(TRUE);
12967 gameMode = IcsIdle;
12978 switch (gameMode) {
12980 SetTrainingModeOff();
12982 case MachinePlaysWhite:
12983 case MachinePlaysBlack:
12984 case BeginningOfGame:
12985 SendToProgram("force\n", &first);
12986 SetUserThinkingEnables();
12988 case PlayFromGameFile:
12989 (void) StopLoadGameTimer();
12990 if (gameFileFP != NULL) {
12995 EditPositionDone(TRUE);
13000 SendToProgram("force\n", &first);
13002 case TwoMachinesPlay:
13003 GameEnds(EndOfFile, NULL, GE_PLAYER);
13004 ResurrectChessProgram();
13005 SetUserThinkingEnables();
13008 ResurrectChessProgram();
13010 case IcsPlayingBlack:
13011 case IcsPlayingWhite:
13012 DisplayError(_("Warning: You are still playing a game"), 0);
13015 DisplayError(_("Warning: You are still observing a game"), 0);
13018 DisplayError(_("Warning: You are still examining a game"), 0);
13029 first.offeredDraw = second.offeredDraw = 0;
13031 if (gameMode == PlayFromGameFile) {
13032 whiteTimeRemaining = timeRemaining[0][currentMove];
13033 blackTimeRemaining = timeRemaining[1][currentMove];
13037 if (gameMode == MachinePlaysWhite ||
13038 gameMode == MachinePlaysBlack ||
13039 gameMode == TwoMachinesPlay ||
13040 gameMode == EndOfGame) {
13041 i = forwardMostMove;
13042 while (i > currentMove) {
13043 SendToProgram("undo\n", &first);
13046 whiteTimeRemaining = timeRemaining[0][currentMove];
13047 blackTimeRemaining = timeRemaining[1][currentMove];
13048 DisplayBothClocks();
13049 if (whiteFlag || blackFlag) {
13050 whiteFlag = blackFlag = 0;
13055 gameMode = EditGame;
13062 EditPositionEvent()
13064 if (gameMode == EditPosition) {
13070 if (gameMode != EditGame) return;
13072 gameMode = EditPosition;
13075 if (currentMove > 0)
13076 CopyBoard(boards[0], boards[currentMove]);
13078 blackPlaysFirst = !WhiteOnMove(currentMove);
13080 currentMove = forwardMostMove = backwardMostMove = 0;
13081 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13088 /* [DM] icsEngineAnalyze - possible call from other functions */
13089 if (appData.icsEngineAnalyze) {
13090 appData.icsEngineAnalyze = FALSE;
13092 DisplayMessage("",_("Close ICS engine analyze..."));
13094 if (first.analysisSupport && first.analyzing) {
13095 SendToProgram("exit\n", &first);
13096 first.analyzing = FALSE;
13098 thinkOutput[0] = NULLCHAR;
13102 EditPositionDone(Boolean fakeRights)
13104 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13106 startedFromSetupPosition = TRUE;
13107 InitChessProgram(&first, FALSE);
13108 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13109 boards[0][EP_STATUS] = EP_NONE;
13110 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13111 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13112 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13113 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13114 } else boards[0][CASTLING][2] = NoRights;
13115 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13116 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13117 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13118 } else boards[0][CASTLING][5] = NoRights;
13120 SendToProgram("force\n", &first);
13121 if (blackPlaysFirst) {
13122 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13123 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13124 currentMove = forwardMostMove = backwardMostMove = 1;
13125 CopyBoard(boards[1], boards[0]);
13127 currentMove = forwardMostMove = backwardMostMove = 0;
13129 SendBoard(&first, forwardMostMove);
13130 if (appData.debugMode) {
13131 fprintf(debugFP, "EditPosDone\n");
13134 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13135 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13136 gameMode = EditGame;
13138 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13139 ClearHighlights(); /* [AS] */
13142 /* Pause for `ms' milliseconds */
13143 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13153 } while (SubtractTimeMarks(&m2, &m1) < ms);
13156 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13158 SendMultiLineToICS(buf)
13161 char temp[MSG_SIZ+1], *p;
13168 strncpy(temp, buf, len);
13173 if (*p == '\n' || *p == '\r')
13178 strcat(temp, "\n");
13180 SendToPlayer(temp, strlen(temp));
13184 SetWhiteToPlayEvent()
13186 if (gameMode == EditPosition) {
13187 blackPlaysFirst = FALSE;
13188 DisplayBothClocks(); /* works because currentMove is 0 */
13189 } else if (gameMode == IcsExamining) {
13190 SendToICS(ics_prefix);
13191 SendToICS("tomove white\n");
13196 SetBlackToPlayEvent()
13198 if (gameMode == EditPosition) {
13199 blackPlaysFirst = TRUE;
13200 currentMove = 1; /* kludge */
13201 DisplayBothClocks();
13203 } else if (gameMode == IcsExamining) {
13204 SendToICS(ics_prefix);
13205 SendToICS("tomove black\n");
13210 EditPositionMenuEvent(selection, x, y)
13211 ChessSquare selection;
13215 ChessSquare piece = boards[0][y][x];
13217 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13219 switch (selection) {
13221 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13222 SendToICS(ics_prefix);
13223 SendToICS("bsetup clear\n");
13224 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13225 SendToICS(ics_prefix);
13226 SendToICS("clearboard\n");
13228 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13229 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13230 for (y = 0; y < BOARD_HEIGHT; y++) {
13231 if (gameMode == IcsExamining) {
13232 if (boards[currentMove][y][x] != EmptySquare) {
13233 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13238 boards[0][y][x] = p;
13243 if (gameMode == EditPosition) {
13244 DrawPosition(FALSE, boards[0]);
13249 SetWhiteToPlayEvent();
13253 SetBlackToPlayEvent();
13257 if (gameMode == IcsExamining) {
13258 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13259 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13262 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13263 if(x == BOARD_LEFT-2) {
13264 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13265 boards[0][y][1] = 0;
13267 if(x == BOARD_RGHT+1) {
13268 if(y >= gameInfo.holdingsSize) break;
13269 boards[0][y][BOARD_WIDTH-2] = 0;
13272 boards[0][y][x] = EmptySquare;
13273 DrawPosition(FALSE, boards[0]);
13278 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13279 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13280 selection = (ChessSquare) (PROMOTED piece);
13281 } else if(piece == EmptySquare) selection = WhiteSilver;
13282 else selection = (ChessSquare)((int)piece - 1);
13286 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13287 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13288 selection = (ChessSquare) (DEMOTED piece);
13289 } else if(piece == EmptySquare) selection = BlackSilver;
13290 else selection = (ChessSquare)((int)piece + 1);
13295 if(gameInfo.variant == VariantShatranj ||
13296 gameInfo.variant == VariantXiangqi ||
13297 gameInfo.variant == VariantCourier ||
13298 gameInfo.variant == VariantMakruk )
13299 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13304 if(gameInfo.variant == VariantXiangqi)
13305 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13306 if(gameInfo.variant == VariantKnightmate)
13307 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13310 if (gameMode == IcsExamining) {
13311 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13312 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13313 PieceToChar(selection), AAA + x, ONE + y);
13316 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13318 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13319 n = PieceToNumber(selection - BlackPawn);
13320 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13321 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13322 boards[0][BOARD_HEIGHT-1-n][1]++;
13324 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13325 n = PieceToNumber(selection);
13326 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13327 boards[0][n][BOARD_WIDTH-1] = selection;
13328 boards[0][n][BOARD_WIDTH-2]++;
13331 boards[0][y][x] = selection;
13332 DrawPosition(TRUE, boards[0]);
13340 DropMenuEvent(selection, x, y)
13341 ChessSquare selection;
13344 ChessMove moveType;
13346 switch (gameMode) {
13347 case IcsPlayingWhite:
13348 case MachinePlaysBlack:
13349 if (!WhiteOnMove(currentMove)) {
13350 DisplayMoveError(_("It is Black's turn"));
13353 moveType = WhiteDrop;
13355 case IcsPlayingBlack:
13356 case MachinePlaysWhite:
13357 if (WhiteOnMove(currentMove)) {
13358 DisplayMoveError(_("It is White's turn"));
13361 moveType = BlackDrop;
13364 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13370 if (moveType == BlackDrop && selection < BlackPawn) {
13371 selection = (ChessSquare) ((int) selection
13372 + (int) BlackPawn - (int) WhitePawn);
13374 if (boards[currentMove][y][x] != EmptySquare) {
13375 DisplayMoveError(_("That square is occupied"));
13379 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13385 /* Accept a pending offer of any kind from opponent */
13387 if (appData.icsActive) {
13388 SendToICS(ics_prefix);
13389 SendToICS("accept\n");
13390 } else if (cmailMsgLoaded) {
13391 if (currentMove == cmailOldMove &&
13392 commentList[cmailOldMove] != NULL &&
13393 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13394 "Black offers a draw" : "White offers a draw")) {
13396 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13397 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13399 DisplayError(_("There is no pending offer on this move"), 0);
13400 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13403 /* Not used for offers from chess program */
13410 /* Decline a pending offer of any kind from opponent */
13412 if (appData.icsActive) {
13413 SendToICS(ics_prefix);
13414 SendToICS("decline\n");
13415 } else if (cmailMsgLoaded) {
13416 if (currentMove == cmailOldMove &&
13417 commentList[cmailOldMove] != NULL &&
13418 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13419 "Black offers a draw" : "White offers a draw")) {
13421 AppendComment(cmailOldMove, "Draw declined", TRUE);
13422 DisplayComment(cmailOldMove - 1, "Draw declined");
13425 DisplayError(_("There is no pending offer on this move"), 0);
13428 /* Not used for offers from chess program */
13435 /* Issue ICS rematch command */
13436 if (appData.icsActive) {
13437 SendToICS(ics_prefix);
13438 SendToICS("rematch\n");
13445 /* Call your opponent's flag (claim a win on time) */
13446 if (appData.icsActive) {
13447 SendToICS(ics_prefix);
13448 SendToICS("flag\n");
13450 switch (gameMode) {
13453 case MachinePlaysWhite:
13456 GameEnds(GameIsDrawn, "Both players ran out of time",
13459 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13461 DisplayError(_("Your opponent is not out of time"), 0);
13464 case MachinePlaysBlack:
13467 GameEnds(GameIsDrawn, "Both players ran out of time",
13470 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13472 DisplayError(_("Your opponent is not out of time"), 0);
13480 ClockClick(int which)
13481 { // [HGM] code moved to back-end from winboard.c
13482 if(which) { // black clock
13483 if (gameMode == EditPosition || gameMode == IcsExamining) {
13484 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13485 SetBlackToPlayEvent();
13486 } else if (gameMode == EditGame || shiftKey) {
13487 AdjustClock(which, -1);
13488 } else if (gameMode == IcsPlayingWhite ||
13489 gameMode == MachinePlaysBlack) {
13492 } else { // white clock
13493 if (gameMode == EditPosition || gameMode == IcsExamining) {
13494 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13495 SetWhiteToPlayEvent();
13496 } else if (gameMode == EditGame || shiftKey) {
13497 AdjustClock(which, -1);
13498 } else if (gameMode == IcsPlayingBlack ||
13499 gameMode == MachinePlaysWhite) {
13508 /* Offer draw or accept pending draw offer from opponent */
13510 if (appData.icsActive) {
13511 /* Note: tournament rules require draw offers to be
13512 made after you make your move but before you punch
13513 your clock. Currently ICS doesn't let you do that;
13514 instead, you immediately punch your clock after making
13515 a move, but you can offer a draw at any time. */
13517 SendToICS(ics_prefix);
13518 SendToICS("draw\n");
13519 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13520 } else if (cmailMsgLoaded) {
13521 if (currentMove == cmailOldMove &&
13522 commentList[cmailOldMove] != NULL &&
13523 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13524 "Black offers a draw" : "White offers a draw")) {
13525 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13526 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13527 } else if (currentMove == cmailOldMove + 1) {
13528 char *offer = WhiteOnMove(cmailOldMove) ?
13529 "White offers a draw" : "Black offers a draw";
13530 AppendComment(currentMove, offer, TRUE);
13531 DisplayComment(currentMove - 1, offer);
13532 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13534 DisplayError(_("You must make your move before offering a draw"), 0);
13535 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13537 } else if (first.offeredDraw) {
13538 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13540 if (first.sendDrawOffers) {
13541 SendToProgram("draw\n", &first);
13542 userOfferedDraw = TRUE;
13550 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13552 if (appData.icsActive) {
13553 SendToICS(ics_prefix);
13554 SendToICS("adjourn\n");
13556 /* Currently GNU Chess doesn't offer or accept Adjourns */
13564 /* Offer Abort or accept pending Abort offer from opponent */
13566 if (appData.icsActive) {
13567 SendToICS(ics_prefix);
13568 SendToICS("abort\n");
13570 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13577 /* Resign. You can do this even if it's not your turn. */
13579 if (appData.icsActive) {
13580 SendToICS(ics_prefix);
13581 SendToICS("resign\n");
13583 switch (gameMode) {
13584 case MachinePlaysWhite:
13585 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13587 case MachinePlaysBlack:
13588 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13591 if (cmailMsgLoaded) {
13593 if (WhiteOnMove(cmailOldMove)) {
13594 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13596 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13598 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13609 StopObservingEvent()
13611 /* Stop observing current games */
13612 SendToICS(ics_prefix);
13613 SendToICS("unobserve\n");
13617 StopExaminingEvent()
13619 /* Stop observing current game */
13620 SendToICS(ics_prefix);
13621 SendToICS("unexamine\n");
13625 ForwardInner(target)
13630 if (appData.debugMode)
13631 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13632 target, currentMove, forwardMostMove);
13634 if (gameMode == EditPosition)
13637 if (gameMode == PlayFromGameFile && !pausing)
13640 if (gameMode == IcsExamining && pausing)
13641 limit = pauseExamForwardMostMove;
13643 limit = forwardMostMove;
13645 if (target > limit) target = limit;
13647 if (target > 0 && moveList[target - 1][0]) {
13648 int fromX, fromY, toX, toY;
13649 toX = moveList[target - 1][2] - AAA;
13650 toY = moveList[target - 1][3] - ONE;
13651 if (moveList[target - 1][1] == '@') {
13652 if (appData.highlightLastMove) {
13653 SetHighlights(-1, -1, toX, toY);
13656 fromX = moveList[target - 1][0] - AAA;
13657 fromY = moveList[target - 1][1] - ONE;
13658 if (target == currentMove + 1) {
13659 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13661 if (appData.highlightLastMove) {
13662 SetHighlights(fromX, fromY, toX, toY);
13666 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13667 gameMode == Training || gameMode == PlayFromGameFile ||
13668 gameMode == AnalyzeFile) {
13669 while (currentMove < target) {
13670 SendMoveToProgram(currentMove++, &first);
13673 currentMove = target;
13676 if (gameMode == EditGame || gameMode == EndOfGame) {
13677 whiteTimeRemaining = timeRemaining[0][currentMove];
13678 blackTimeRemaining = timeRemaining[1][currentMove];
13680 DisplayBothClocks();
13681 DisplayMove(currentMove - 1);
13682 DrawPosition(FALSE, boards[currentMove]);
13683 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13684 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13685 DisplayComment(currentMove - 1, commentList[currentMove]);
13687 DisplayBook(currentMove);
13694 if (gameMode == IcsExamining && !pausing) {
13695 SendToICS(ics_prefix);
13696 SendToICS("forward\n");
13698 ForwardInner(currentMove + 1);
13705 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13706 /* to optimze, we temporarily turn off analysis mode while we feed
13707 * the remaining moves to the engine. Otherwise we get analysis output
13710 if (first.analysisSupport) {
13711 SendToProgram("exit\nforce\n", &first);
13712 first.analyzing = FALSE;
13716 if (gameMode == IcsExamining && !pausing) {
13717 SendToICS(ics_prefix);
13718 SendToICS("forward 999999\n");
13720 ForwardInner(forwardMostMove);
13723 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13724 /* we have fed all the moves, so reactivate analysis mode */
13725 SendToProgram("analyze\n", &first);
13726 first.analyzing = TRUE;
13727 /*first.maybeThinking = TRUE;*/
13728 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13733 BackwardInner(target)
13736 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13738 if (appData.debugMode)
13739 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13740 target, currentMove, forwardMostMove);
13742 if (gameMode == EditPosition) return;
13743 if (currentMove <= backwardMostMove) {
13745 DrawPosition(full_redraw, boards[currentMove]);
13748 if (gameMode == PlayFromGameFile && !pausing)
13751 if (moveList[target][0]) {
13752 int fromX, fromY, toX, toY;
13753 toX = moveList[target][2] - AAA;
13754 toY = moveList[target][3] - ONE;
13755 if (moveList[target][1] == '@') {
13756 if (appData.highlightLastMove) {
13757 SetHighlights(-1, -1, toX, toY);
13760 fromX = moveList[target][0] - AAA;
13761 fromY = moveList[target][1] - ONE;
13762 if (target == currentMove - 1) {
13763 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13765 if (appData.highlightLastMove) {
13766 SetHighlights(fromX, fromY, toX, toY);
13770 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13771 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13772 while (currentMove > target) {
13773 SendToProgram("undo\n", &first);
13777 currentMove = target;
13780 if (gameMode == EditGame || gameMode == EndOfGame) {
13781 whiteTimeRemaining = timeRemaining[0][currentMove];
13782 blackTimeRemaining = timeRemaining[1][currentMove];
13784 DisplayBothClocks();
13785 DisplayMove(currentMove - 1);
13786 DrawPosition(full_redraw, boards[currentMove]);
13787 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13788 // [HGM] PV info: routine tests if comment empty
13789 DisplayComment(currentMove - 1, commentList[currentMove]);
13790 DisplayBook(currentMove);
13796 if (gameMode == IcsExamining && !pausing) {
13797 SendToICS(ics_prefix);
13798 SendToICS("backward\n");
13800 BackwardInner(currentMove - 1);
13807 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13808 /* to optimize, we temporarily turn off analysis mode while we undo
13809 * all the moves. Otherwise we get analysis output after each undo.
13811 if (first.analysisSupport) {
13812 SendToProgram("exit\nforce\n", &first);
13813 first.analyzing = FALSE;
13817 if (gameMode == IcsExamining && !pausing) {
13818 SendToICS(ics_prefix);
13819 SendToICS("backward 999999\n");
13821 BackwardInner(backwardMostMove);
13824 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13825 /* we have fed all the moves, so reactivate analysis mode */
13826 SendToProgram("analyze\n", &first);
13827 first.analyzing = TRUE;
13828 /*first.maybeThinking = TRUE;*/
13829 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13836 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13837 if (to >= forwardMostMove) to = forwardMostMove;
13838 if (to <= backwardMostMove) to = backwardMostMove;
13839 if (to < currentMove) {
13847 RevertEvent(Boolean annotate)
13849 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13852 if (gameMode != IcsExamining) {
13853 DisplayError(_("You are not examining a game"), 0);
13857 DisplayError(_("You can't revert while pausing"), 0);
13860 SendToICS(ics_prefix);
13861 SendToICS("revert\n");
13867 switch (gameMode) {
13868 case MachinePlaysWhite:
13869 case MachinePlaysBlack:
13870 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13871 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13874 if (forwardMostMove < 2) return;
13875 currentMove = forwardMostMove = forwardMostMove - 2;
13876 whiteTimeRemaining = timeRemaining[0][currentMove];
13877 blackTimeRemaining = timeRemaining[1][currentMove];
13878 DisplayBothClocks();
13879 DisplayMove(currentMove - 1);
13880 ClearHighlights();/*!! could figure this out*/
13881 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13882 SendToProgram("remove\n", &first);
13883 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13886 case BeginningOfGame:
13890 case IcsPlayingWhite:
13891 case IcsPlayingBlack:
13892 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13893 SendToICS(ics_prefix);
13894 SendToICS("takeback 2\n");
13896 SendToICS(ics_prefix);
13897 SendToICS("takeback 1\n");
13906 ChessProgramState *cps;
13908 switch (gameMode) {
13909 case MachinePlaysWhite:
13910 if (!WhiteOnMove(forwardMostMove)) {
13911 DisplayError(_("It is your turn"), 0);
13916 case MachinePlaysBlack:
13917 if (WhiteOnMove(forwardMostMove)) {
13918 DisplayError(_("It is your turn"), 0);
13923 case TwoMachinesPlay:
13924 if (WhiteOnMove(forwardMostMove) ==
13925 (first.twoMachinesColor[0] == 'w')) {
13931 case BeginningOfGame:
13935 SendToProgram("?\n", cps);
13939 TruncateGameEvent()
13942 if (gameMode != EditGame) return;
13949 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13950 if (forwardMostMove > currentMove) {
13951 if (gameInfo.resultDetails != NULL) {
13952 free(gameInfo.resultDetails);
13953 gameInfo.resultDetails = NULL;
13954 gameInfo.result = GameUnfinished;
13956 forwardMostMove = currentMove;
13957 HistorySet(parseList, backwardMostMove, forwardMostMove,
13965 if (appData.noChessProgram) return;
13966 switch (gameMode) {
13967 case MachinePlaysWhite:
13968 if (WhiteOnMove(forwardMostMove)) {
13969 DisplayError(_("Wait until your turn"), 0);
13973 case BeginningOfGame:
13974 case MachinePlaysBlack:
13975 if (!WhiteOnMove(forwardMostMove)) {
13976 DisplayError(_("Wait until your turn"), 0);
13981 DisplayError(_("No hint available"), 0);
13984 SendToProgram("hint\n", &first);
13985 hintRequested = TRUE;
13991 if (appData.noChessProgram) return;
13992 switch (gameMode) {
13993 case MachinePlaysWhite:
13994 if (WhiteOnMove(forwardMostMove)) {
13995 DisplayError(_("Wait until your turn"), 0);
13999 case BeginningOfGame:
14000 case MachinePlaysBlack:
14001 if (!WhiteOnMove(forwardMostMove)) {
14002 DisplayError(_("Wait until your turn"), 0);
14007 EditPositionDone(TRUE);
14009 case TwoMachinesPlay:
14014 SendToProgram("bk\n", &first);
14015 bookOutput[0] = NULLCHAR;
14016 bookRequested = TRUE;
14022 char *tags = PGNTags(&gameInfo);
14023 TagsPopUp(tags, CmailMsg());
14027 /* end button procedures */
14030 PrintPosition(fp, move)
14036 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14037 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14038 char c = PieceToChar(boards[move][i][j]);
14039 fputc(c == 'x' ? '.' : c, fp);
14040 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14043 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14044 fprintf(fp, "white to play\n");
14046 fprintf(fp, "black to play\n");
14053 if (gameInfo.white != NULL) {
14054 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14060 /* Find last component of program's own name, using some heuristics */
14062 TidyProgramName(prog, host, buf)
14063 char *prog, *host, buf[MSG_SIZ];
14066 int local = (strcmp(host, "localhost") == 0);
14067 while (!local && (p = strchr(prog, ';')) != NULL) {
14069 while (*p == ' ') p++;
14072 if (*prog == '"' || *prog == '\'') {
14073 q = strchr(prog + 1, *prog);
14075 q = strchr(prog, ' ');
14077 if (q == NULL) q = prog + strlen(prog);
14079 while (p >= prog && *p != '/' && *p != '\\') p--;
14081 if(p == prog && *p == '"') p++;
14082 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14083 memcpy(buf, p, q - p);
14084 buf[q - p] = NULLCHAR;
14092 TimeControlTagValue()
14095 if (!appData.clockMode) {
14096 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14097 } else if (movesPerSession > 0) {
14098 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14099 } else if (timeIncrement == 0) {
14100 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14102 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14104 return StrSave(buf);
14110 /* This routine is used only for certain modes */
14111 VariantClass v = gameInfo.variant;
14112 ChessMove r = GameUnfinished;
14115 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14116 r = gameInfo.result;
14117 p = gameInfo.resultDetails;
14118 gameInfo.resultDetails = NULL;
14120 ClearGameInfo(&gameInfo);
14121 gameInfo.variant = v;
14123 switch (gameMode) {
14124 case MachinePlaysWhite:
14125 gameInfo.event = StrSave( appData.pgnEventHeader );
14126 gameInfo.site = StrSave(HostName());
14127 gameInfo.date = PGNDate();
14128 gameInfo.round = StrSave("-");
14129 gameInfo.white = StrSave(first.tidy);
14130 gameInfo.black = StrSave(UserName());
14131 gameInfo.timeControl = TimeControlTagValue();
14134 case MachinePlaysBlack:
14135 gameInfo.event = StrSave( appData.pgnEventHeader );
14136 gameInfo.site = StrSave(HostName());
14137 gameInfo.date = PGNDate();
14138 gameInfo.round = StrSave("-");
14139 gameInfo.white = StrSave(UserName());
14140 gameInfo.black = StrSave(first.tidy);
14141 gameInfo.timeControl = TimeControlTagValue();
14144 case TwoMachinesPlay:
14145 gameInfo.event = StrSave( appData.pgnEventHeader );
14146 gameInfo.site = StrSave(HostName());
14147 gameInfo.date = PGNDate();
14150 snprintf(buf, MSG_SIZ, "%d", roundNr);
14151 gameInfo.round = StrSave(buf);
14153 gameInfo.round = StrSave("-");
14155 if (first.twoMachinesColor[0] == 'w') {
14156 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14157 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14159 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14160 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14162 gameInfo.timeControl = TimeControlTagValue();
14166 gameInfo.event = StrSave("Edited game");
14167 gameInfo.site = StrSave(HostName());
14168 gameInfo.date = PGNDate();
14169 gameInfo.round = StrSave("-");
14170 gameInfo.white = StrSave("-");
14171 gameInfo.black = StrSave("-");
14172 gameInfo.result = r;
14173 gameInfo.resultDetails = p;
14177 gameInfo.event = StrSave("Edited position");
14178 gameInfo.site = StrSave(HostName());
14179 gameInfo.date = PGNDate();
14180 gameInfo.round = StrSave("-");
14181 gameInfo.white = StrSave("-");
14182 gameInfo.black = StrSave("-");
14185 case IcsPlayingWhite:
14186 case IcsPlayingBlack:
14191 case PlayFromGameFile:
14192 gameInfo.event = StrSave("Game from non-PGN file");
14193 gameInfo.site = StrSave(HostName());
14194 gameInfo.date = PGNDate();
14195 gameInfo.round = StrSave("-");
14196 gameInfo.white = StrSave("?");
14197 gameInfo.black = StrSave("?");
14206 ReplaceComment(index, text)
14214 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14215 pvInfoList[index-1].depth == len &&
14216 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14217 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14218 while (*text == '\n') text++;
14219 len = strlen(text);
14220 while (len > 0 && text[len - 1] == '\n') len--;
14222 if (commentList[index] != NULL)
14223 free(commentList[index]);
14226 commentList[index] = NULL;
14229 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14230 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14231 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14232 commentList[index] = (char *) malloc(len + 2);
14233 strncpy(commentList[index], text, len);
14234 commentList[index][len] = '\n';
14235 commentList[index][len + 1] = NULLCHAR;
14237 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14239 commentList[index] = (char *) malloc(len + 7);
14240 safeStrCpy(commentList[index], "{\n", 3);
14241 safeStrCpy(commentList[index]+2, text, len+1);
14242 commentList[index][len+2] = NULLCHAR;
14243 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14244 strcat(commentList[index], "\n}\n");
14258 if (ch == '\r') continue;
14260 } while (ch != '\0');
14264 AppendComment(index, text, addBraces)
14267 Boolean addBraces; // [HGM] braces: tells if we should add {}
14272 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14273 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14276 while (*text == '\n') text++;
14277 len = strlen(text);
14278 while (len > 0 && text[len - 1] == '\n') len--;
14280 if (len == 0) return;
14282 if (commentList[index] != NULL) {
14283 old = commentList[index];
14284 oldlen = strlen(old);
14285 while(commentList[index][oldlen-1] == '\n')
14286 commentList[index][--oldlen] = NULLCHAR;
14287 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14288 safeStrCpy(commentList[index], old, oldlen + len + 6);
14290 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14291 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14292 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14293 while (*text == '\n') { text++; len--; }
14294 commentList[index][--oldlen] = NULLCHAR;
14296 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14297 else strcat(commentList[index], "\n");
14298 strcat(commentList[index], text);
14299 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14300 else strcat(commentList[index], "\n");
14302 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14304 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14305 else commentList[index][0] = NULLCHAR;
14306 strcat(commentList[index], text);
14307 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14308 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14312 static char * FindStr( char * text, char * sub_text )
14314 char * result = strstr( text, sub_text );
14316 if( result != NULL ) {
14317 result += strlen( sub_text );
14323 /* [AS] Try to extract PV info from PGN comment */
14324 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14325 char *GetInfoFromComment( int index, char * text )
14327 char * sep = text, *p;
14329 if( text != NULL && index > 0 ) {
14332 int time = -1, sec = 0, deci;
14333 char * s_eval = FindStr( text, "[%eval " );
14334 char * s_emt = FindStr( text, "[%emt " );
14336 if( s_eval != NULL || s_emt != NULL ) {
14340 if( s_eval != NULL ) {
14341 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14345 if( delim != ']' ) {
14350 if( s_emt != NULL ) {
14355 /* We expect something like: [+|-]nnn.nn/dd */
14358 if(*text != '{') return text; // [HGM] braces: must be normal comment
14360 sep = strchr( text, '/' );
14361 if( sep == NULL || sep < (text+4) ) {
14366 if(p[1] == '(') { // comment starts with PV
14367 p = strchr(p, ')'); // locate end of PV
14368 if(p == NULL || sep < p+5) return text;
14369 // at this point we have something like "{(.*) +0.23/6 ..."
14370 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14371 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14372 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14374 time = -1; sec = -1; deci = -1;
14375 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14376 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14377 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14378 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14382 if( score_lo < 0 || score_lo >= 100 ) {
14386 if(sec >= 0) time = 600*time + 10*sec; else
14387 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14389 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14391 /* [HGM] PV time: now locate end of PV info */
14392 while( *++sep >= '0' && *sep <= '9'); // strip depth
14394 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14396 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14398 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14399 while(*sep == ' ') sep++;
14410 pvInfoList[index-1].depth = depth;
14411 pvInfoList[index-1].score = score;
14412 pvInfoList[index-1].time = 10*time; // centi-sec
14413 if(*sep == '}') *sep = 0; else *--sep = '{';
14414 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14420 SendToProgram(message, cps)
14422 ChessProgramState *cps;
14424 int count, outCount, error;
14427 if (cps->pr == NULL) return;
14430 if (appData.debugMode) {
14433 fprintf(debugFP, "%ld >%-6s: %s",
14434 SubtractTimeMarks(&now, &programStartTime),
14435 cps->which, message);
14438 count = strlen(message);
14439 outCount = OutputToProcess(cps->pr, message, count, &error);
14440 if (outCount < count && !exiting
14441 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14442 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14443 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14444 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14445 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14446 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14447 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14448 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14450 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14451 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14452 gameInfo.result = res;
14454 gameInfo.resultDetails = StrSave(buf);
14456 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14457 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14462 ReceiveFromProgram(isr, closure, message, count, error)
14463 InputSourceRef isr;
14471 ChessProgramState *cps = (ChessProgramState *)closure;
14473 if (isr != cps->isr) return; /* Killed intentionally */
14476 RemoveInputSource(cps->isr);
14477 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14478 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14479 _(cps->which), cps->program);
14480 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14481 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14482 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14483 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14484 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14486 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14487 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14488 gameInfo.result = res;
14490 gameInfo.resultDetails = StrSave(buf);
14492 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14493 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14495 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14496 _(cps->which), cps->program);
14497 RemoveInputSource(cps->isr);
14499 /* [AS] Program is misbehaving badly... kill it */
14500 if( count == -2 ) {
14501 DestroyChildProcess( cps->pr, 9 );
14505 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14510 if ((end_str = strchr(message, '\r')) != NULL)
14511 *end_str = NULLCHAR;
14512 if ((end_str = strchr(message, '\n')) != NULL)
14513 *end_str = NULLCHAR;
14515 if (appData.debugMode) {
14516 TimeMark now; int print = 1;
14517 char *quote = ""; char c; int i;
14519 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14520 char start = message[0];
14521 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14522 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14523 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14524 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14525 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14526 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14527 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14528 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14529 sscanf(message, "hint: %c", &c)!=1 &&
14530 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14531 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14532 print = (appData.engineComments >= 2);
14534 message[0] = start; // restore original message
14538 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14539 SubtractTimeMarks(&now, &programStartTime), cps->which,
14545 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14546 if (appData.icsEngineAnalyze) {
14547 if (strstr(message, "whisper") != NULL ||
14548 strstr(message, "kibitz") != NULL ||
14549 strstr(message, "tellics") != NULL) return;
14552 HandleMachineMove(message, cps);
14557 SendTimeControl(cps, mps, tc, inc, sd, st)
14558 ChessProgramState *cps;
14559 int mps, inc, sd, st;
14565 if( timeControl_2 > 0 ) {
14566 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14567 tc = timeControl_2;
14570 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14571 inc /= cps->timeOdds;
14572 st /= cps->timeOdds;
14574 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14577 /* Set exact time per move, normally using st command */
14578 if (cps->stKludge) {
14579 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14581 if (seconds == 0) {
14582 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14584 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14587 snprintf(buf, MSG_SIZ, "st %d\n", st);
14590 /* Set conventional or incremental time control, using level command */
14591 if (seconds == 0) {
14592 /* Note old gnuchess bug -- minutes:seconds used to not work.
14593 Fixed in later versions, but still avoid :seconds
14594 when seconds is 0. */
14595 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14597 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14598 seconds, inc/1000.);
14601 SendToProgram(buf, cps);
14603 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14604 /* Orthogonally, limit search to given depth */
14606 if (cps->sdKludge) {
14607 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14609 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14611 SendToProgram(buf, cps);
14614 if(cps->nps >= 0) { /* [HGM] nps */
14615 if(cps->supportsNPS == FALSE)
14616 cps->nps = -1; // don't use if engine explicitly says not supported!
14618 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14619 SendToProgram(buf, cps);
14624 ChessProgramState *WhitePlayer()
14625 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14627 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14628 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14634 SendTimeRemaining(cps, machineWhite)
14635 ChessProgramState *cps;
14636 int /*boolean*/ machineWhite;
14638 char message[MSG_SIZ];
14641 /* Note: this routine must be called when the clocks are stopped
14642 or when they have *just* been set or switched; otherwise
14643 it will be off by the time since the current tick started.
14645 if (machineWhite) {
14646 time = whiteTimeRemaining / 10;
14647 otime = blackTimeRemaining / 10;
14649 time = blackTimeRemaining / 10;
14650 otime = whiteTimeRemaining / 10;
14652 /* [HGM] translate opponent's time by time-odds factor */
14653 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14654 if (appData.debugMode) {
14655 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14658 if (time <= 0) time = 1;
14659 if (otime <= 0) otime = 1;
14661 snprintf(message, MSG_SIZ, "time %ld\n", time);
14662 SendToProgram(message, cps);
14664 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14665 SendToProgram(message, cps);
14669 BoolFeature(p, name, loc, cps)
14673 ChessProgramState *cps;
14676 int len = strlen(name);
14679 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14681 sscanf(*p, "%d", &val);
14683 while (**p && **p != ' ')
14685 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14686 SendToProgram(buf, cps);
14693 IntFeature(p, name, loc, cps)
14697 ChessProgramState *cps;
14700 int len = strlen(name);
14701 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14703 sscanf(*p, "%d", loc);
14704 while (**p && **p != ' ') (*p)++;
14705 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14706 SendToProgram(buf, cps);
14713 StringFeature(p, name, loc, cps)
14717 ChessProgramState *cps;
14720 int len = strlen(name);
14721 if (strncmp((*p), name, len) == 0
14722 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14724 sscanf(*p, "%[^\"]", loc);
14725 while (**p && **p != '\"') (*p)++;
14726 if (**p == '\"') (*p)++;
14727 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14728 SendToProgram(buf, cps);
14735 ParseOption(Option *opt, ChessProgramState *cps)
14736 // [HGM] options: process the string that defines an engine option, and determine
14737 // name, type, default value, and allowed value range
14739 char *p, *q, buf[MSG_SIZ];
14740 int n, min = (-1)<<31, max = 1<<31, def;
14742 if(p = strstr(opt->name, " -spin ")) {
14743 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14744 if(max < min) max = min; // enforce consistency
14745 if(def < min) def = min;
14746 if(def > max) def = max;
14751 } else if((p = strstr(opt->name, " -slider "))) {
14752 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14753 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14754 if(max < min) max = min; // enforce consistency
14755 if(def < min) def = min;
14756 if(def > max) def = max;
14760 opt->type = Spin; // Slider;
14761 } else if((p = strstr(opt->name, " -string "))) {
14762 opt->textValue = p+9;
14763 opt->type = TextBox;
14764 } else if((p = strstr(opt->name, " -file "))) {
14765 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14766 opt->textValue = p+7;
14767 opt->type = FileName; // FileName;
14768 } else if((p = strstr(opt->name, " -path "))) {
14769 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14770 opt->textValue = p+7;
14771 opt->type = PathName; // PathName;
14772 } else if(p = strstr(opt->name, " -check ")) {
14773 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14774 opt->value = (def != 0);
14775 opt->type = CheckBox;
14776 } else if(p = strstr(opt->name, " -combo ")) {
14777 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14778 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14779 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14780 opt->value = n = 0;
14781 while(q = StrStr(q, " /// ")) {
14782 n++; *q = 0; // count choices, and null-terminate each of them
14784 if(*q == '*') { // remember default, which is marked with * prefix
14788 cps->comboList[cps->comboCnt++] = q;
14790 cps->comboList[cps->comboCnt++] = NULL;
14792 opt->type = ComboBox;
14793 } else if(p = strstr(opt->name, " -button")) {
14794 opt->type = Button;
14795 } else if(p = strstr(opt->name, " -save")) {
14796 opt->type = SaveButton;
14797 } else return FALSE;
14798 *p = 0; // terminate option name
14799 // now look if the command-line options define a setting for this engine option.
14800 if(cps->optionSettings && cps->optionSettings[0])
14801 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14802 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14803 snprintf(buf, MSG_SIZ, "option %s", p);
14804 if(p = strstr(buf, ",")) *p = 0;
14805 if(q = strchr(buf, '=')) switch(opt->type) {
14807 for(n=0; n<opt->max; n++)
14808 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14811 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14815 opt->value = atoi(q+1);
14820 SendToProgram(buf, cps);
14826 FeatureDone(cps, val)
14827 ChessProgramState* cps;
14830 DelayedEventCallback cb = GetDelayedEvent();
14831 if ((cb == InitBackEnd3 && cps == &first) ||
14832 (cb == SettingsMenuIfReady && cps == &second) ||
14833 (cb == LoadEngine) ||
14834 (cb == TwoMachinesEventIfReady)) {
14835 CancelDelayedEvent();
14836 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14838 cps->initDone = val;
14841 /* Parse feature command from engine */
14843 ParseFeatures(args, cps)
14845 ChessProgramState *cps;
14853 while (*p == ' ') p++;
14854 if (*p == NULLCHAR) return;
14856 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14857 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14858 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14859 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14860 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14861 if (BoolFeature(&p, "reuse", &val, cps)) {
14862 /* Engine can disable reuse, but can't enable it if user said no */
14863 if (!val) cps->reuse = FALSE;
14866 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14867 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14868 if (gameMode == TwoMachinesPlay) {
14869 DisplayTwoMachinesTitle();
14875 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14876 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14877 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14878 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14879 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14880 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14881 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14882 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14883 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14884 if (IntFeature(&p, "done", &val, cps)) {
14885 FeatureDone(cps, val);
14888 /* Added by Tord: */
14889 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14890 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14891 /* End of additions by Tord */
14893 /* [HGM] added features: */
14894 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14895 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14896 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14897 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14898 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14899 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14900 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14901 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14902 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14903 SendToProgram(buf, cps);
14906 if(cps->nrOptions >= MAX_OPTIONS) {
14908 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14909 DisplayError(buf, 0);
14913 /* End of additions by HGM */
14915 /* unknown feature: complain and skip */
14917 while (*q && *q != '=') q++;
14918 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14919 SendToProgram(buf, cps);
14925 while (*p && *p != '\"') p++;
14926 if (*p == '\"') p++;
14928 while (*p && *p != ' ') p++;
14936 PeriodicUpdatesEvent(newState)
14939 if (newState == appData.periodicUpdates)
14942 appData.periodicUpdates=newState;
14944 /* Display type changes, so update it now */
14945 // DisplayAnalysis();
14947 /* Get the ball rolling again... */
14949 AnalysisPeriodicEvent(1);
14950 StartAnalysisClock();
14955 PonderNextMoveEvent(newState)
14958 if (newState == appData.ponderNextMove) return;
14959 if (gameMode == EditPosition) EditPositionDone(TRUE);
14961 SendToProgram("hard\n", &first);
14962 if (gameMode == TwoMachinesPlay) {
14963 SendToProgram("hard\n", &second);
14966 SendToProgram("easy\n", &first);
14967 thinkOutput[0] = NULLCHAR;
14968 if (gameMode == TwoMachinesPlay) {
14969 SendToProgram("easy\n", &second);
14972 appData.ponderNextMove = newState;
14976 NewSettingEvent(option, feature, command, value)
14978 int option, value, *feature;
14982 if (gameMode == EditPosition) EditPositionDone(TRUE);
14983 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14984 if(feature == NULL || *feature) SendToProgram(buf, &first);
14985 if (gameMode == TwoMachinesPlay) {
14986 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14991 ShowThinkingEvent()
14992 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14994 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14995 int newState = appData.showThinking
14996 // [HGM] thinking: other features now need thinking output as well
14997 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14999 if (oldState == newState) return;
15000 oldState = newState;
15001 if (gameMode == EditPosition) EditPositionDone(TRUE);
15003 SendToProgram("post\n", &first);
15004 if (gameMode == TwoMachinesPlay) {
15005 SendToProgram("post\n", &second);
15008 SendToProgram("nopost\n", &first);
15009 thinkOutput[0] = NULLCHAR;
15010 if (gameMode == TwoMachinesPlay) {
15011 SendToProgram("nopost\n", &second);
15014 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15018 AskQuestionEvent(title, question, replyPrefix, which)
15019 char *title; char *question; char *replyPrefix; char *which;
15021 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15022 if (pr == NoProc) return;
15023 AskQuestion(title, question, replyPrefix, pr);
15027 TypeInEvent(char firstChar)
15029 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
\r
15030 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
\r
15031 gameMode == AnalyzeMode || gameMode == EditGame ||
\r
15032 gameMode == EditPosition || gameMode == IcsExamining ||
\r
15033 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
\r
15034 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
\r
15035 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
\r
15036 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
\r
15037 gameMode == Training) PopUpMoveDialog(firstChar);
15041 TypeInDoneEvent(char *move)
15044 int n, fromX, fromY, toX, toY;
15046 ChessMove moveType;
\r
15049 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
\r
15050 EditPositionPasteFEN(move);
\r
15053 // [HGM] movenum: allow move number to be typed in any mode
\r
15054 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
\r
15055 ToNrEvent(2*n-1);
\r
15059 if (gameMode != EditGame && currentMove != forwardMostMove &&
\r
15060 gameMode != Training) {
\r
15061 DisplayMoveError(_("Displayed move is not current"));
\r
15063 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
15064 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
\r
15065 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
\r
15066 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
15067 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
\r
15068 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
\r
15070 DisplayMoveError(_("Could not parse move"));
\r
15076 DisplayMove(moveNumber)
15079 char message[MSG_SIZ];
15081 char cpThinkOutput[MSG_SIZ];
15083 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15085 if (moveNumber == forwardMostMove - 1 ||
15086 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15088 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15090 if (strchr(cpThinkOutput, '\n')) {
15091 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15094 *cpThinkOutput = NULLCHAR;
15097 /* [AS] Hide thinking from human user */
15098 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15099 *cpThinkOutput = NULLCHAR;
15100 if( thinkOutput[0] != NULLCHAR ) {
15103 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15104 cpThinkOutput[i] = '.';
15106 cpThinkOutput[i] = NULLCHAR;
15107 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15111 if (moveNumber == forwardMostMove - 1 &&
15112 gameInfo.resultDetails != NULL) {
15113 if (gameInfo.resultDetails[0] == NULLCHAR) {
15114 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15116 snprintf(res, MSG_SIZ, " {%s} %s",
15117 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15123 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15124 DisplayMessage(res, cpThinkOutput);
15126 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15127 WhiteOnMove(moveNumber) ? " " : ".. ",
15128 parseList[moveNumber], res);
15129 DisplayMessage(message, cpThinkOutput);
15134 DisplayComment(moveNumber, text)
15138 char title[MSG_SIZ];
15139 char buf[8000]; // comment can be long!
15142 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15143 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15145 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15146 WhiteOnMove(moveNumber) ? " " : ".. ",
15147 parseList[moveNumber]);
15149 // [HGM] PV info: display PV info together with (or as) comment
15150 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
15151 if(text == NULL) text = "";
15152 score = pvInfoList[moveNumber].score;
15153 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
15154 depth, (pvInfoList[moveNumber].time+50)/100, text);
15157 if (text != NULL && (appData.autoDisplayComment || commentUp))
15158 CommentPopUp(title, text);
15161 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15162 * might be busy thinking or pondering. It can be omitted if your
15163 * gnuchess is configured to stop thinking immediately on any user
15164 * input. However, that gnuchess feature depends on the FIONREAD
15165 * ioctl, which does not work properly on some flavors of Unix.
15169 ChessProgramState *cps;
15172 if (!cps->useSigint) return;
15173 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15174 switch (gameMode) {
15175 case MachinePlaysWhite:
15176 case MachinePlaysBlack:
15177 case TwoMachinesPlay:
15178 case IcsPlayingWhite:
15179 case IcsPlayingBlack:
15182 /* Skip if we know it isn't thinking */
15183 if (!cps->maybeThinking) return;
15184 if (appData.debugMode)
15185 fprintf(debugFP, "Interrupting %s\n", cps->which);
15186 InterruptChildProcess(cps->pr);
15187 cps->maybeThinking = FALSE;
15192 #endif /*ATTENTION*/
15198 if (whiteTimeRemaining <= 0) {
15201 if (appData.icsActive) {
15202 if (appData.autoCallFlag &&
15203 gameMode == IcsPlayingBlack && !blackFlag) {
15204 SendToICS(ics_prefix);
15205 SendToICS("flag\n");
15209 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15211 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15212 if (appData.autoCallFlag) {
15213 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15220 if (blackTimeRemaining <= 0) {
15223 if (appData.icsActive) {
15224 if (appData.autoCallFlag &&
15225 gameMode == IcsPlayingWhite && !whiteFlag) {
15226 SendToICS(ics_prefix);
15227 SendToICS("flag\n");
15231 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15233 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15234 if (appData.autoCallFlag) {
15235 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15248 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15249 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15252 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15254 if ( !WhiteOnMove(forwardMostMove) ) {
15255 /* White made time control */
15256 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15257 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15258 /* [HGM] time odds: correct new time quota for time odds! */
15259 / WhitePlayer()->timeOdds;
15260 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15262 lastBlack -= blackTimeRemaining;
15263 /* Black made time control */
15264 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15265 / WhitePlayer()->other->timeOdds;
15266 lastWhite = whiteTimeRemaining;
15271 DisplayBothClocks()
15273 int wom = gameMode == EditPosition ?
15274 !blackPlaysFirst : WhiteOnMove(currentMove);
15275 DisplayWhiteClock(whiteTimeRemaining, wom);
15276 DisplayBlackClock(blackTimeRemaining, !wom);
15280 /* Timekeeping seems to be a portability nightmare. I think everyone
15281 has ftime(), but I'm really not sure, so I'm including some ifdefs
15282 to use other calls if you don't. Clocks will be less accurate if
15283 you have neither ftime nor gettimeofday.
15286 /* VS 2008 requires the #include outside of the function */
15287 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15288 #include <sys/timeb.h>
15291 /* Get the current time as a TimeMark */
15296 #if HAVE_GETTIMEOFDAY
15298 struct timeval timeVal;
15299 struct timezone timeZone;
15301 gettimeofday(&timeVal, &timeZone);
15302 tm->sec = (long) timeVal.tv_sec;
15303 tm->ms = (int) (timeVal.tv_usec / 1000L);
15305 #else /*!HAVE_GETTIMEOFDAY*/
15308 // include <sys/timeb.h> / moved to just above start of function
15309 struct timeb timeB;
15312 tm->sec = (long) timeB.time;
15313 tm->ms = (int) timeB.millitm;
15315 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15316 tm->sec = (long) time(NULL);
15322 /* Return the difference in milliseconds between two
15323 time marks. We assume the difference will fit in a long!
15326 SubtractTimeMarks(tm2, tm1)
15327 TimeMark *tm2, *tm1;
15329 return 1000L*(tm2->sec - tm1->sec) +
15330 (long) (tm2->ms - tm1->ms);
15335 * Code to manage the game clocks.
15337 * In tournament play, black starts the clock and then white makes a move.
15338 * We give the human user a slight advantage if he is playing white---the
15339 * clocks don't run until he makes his first move, so it takes zero time.
15340 * Also, we don't account for network lag, so we could get out of sync
15341 * with GNU Chess's clock -- but then, referees are always right.
15344 static TimeMark tickStartTM;
15345 static long intendedTickLength;
15348 NextTickLength(timeRemaining)
15349 long timeRemaining;
15351 long nominalTickLength, nextTickLength;
15353 if (timeRemaining > 0L && timeRemaining <= 10000L)
15354 nominalTickLength = 100L;
15356 nominalTickLength = 1000L;
15357 nextTickLength = timeRemaining % nominalTickLength;
15358 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15360 return nextTickLength;
15363 /* Adjust clock one minute up or down */
15365 AdjustClock(Boolean which, int dir)
15367 if(which) blackTimeRemaining += 60000*dir;
15368 else whiteTimeRemaining += 60000*dir;
15369 DisplayBothClocks();
15372 /* Stop clocks and reset to a fresh time control */
15376 (void) StopClockTimer();
15377 if (appData.icsActive) {
15378 whiteTimeRemaining = blackTimeRemaining = 0;
15379 } else if (searchTime) {
15380 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15381 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15382 } else { /* [HGM] correct new time quote for time odds */
15383 whiteTC = blackTC = fullTimeControlString;
15384 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15385 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15387 if (whiteFlag || blackFlag) {
15389 whiteFlag = blackFlag = FALSE;
15391 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15392 DisplayBothClocks();
15395 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15397 /* Decrement running clock by amount of time that has passed */
15401 long timeRemaining;
15402 long lastTickLength, fudge;
15405 if (!appData.clockMode) return;
15406 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15410 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15412 /* Fudge if we woke up a little too soon */
15413 fudge = intendedTickLength - lastTickLength;
15414 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15416 if (WhiteOnMove(forwardMostMove)) {
15417 if(whiteNPS >= 0) lastTickLength = 0;
15418 timeRemaining = whiteTimeRemaining -= lastTickLength;
15419 if(timeRemaining < 0 && !appData.icsActive) {
15420 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15421 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15422 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15423 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15426 DisplayWhiteClock(whiteTimeRemaining - fudge,
15427 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15429 if(blackNPS >= 0) lastTickLength = 0;
15430 timeRemaining = blackTimeRemaining -= lastTickLength;
15431 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15432 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15434 blackStartMove = forwardMostMove;
15435 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15438 DisplayBlackClock(blackTimeRemaining - fudge,
15439 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15441 if (CheckFlags()) return;
15444 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15445 StartClockTimer(intendedTickLength);
15447 /* if the time remaining has fallen below the alarm threshold, sound the
15448 * alarm. if the alarm has sounded and (due to a takeback or time control
15449 * with increment) the time remaining has increased to a level above the
15450 * threshold, reset the alarm so it can sound again.
15453 if (appData.icsActive && appData.icsAlarm) {
15455 /* make sure we are dealing with the user's clock */
15456 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15457 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15460 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15461 alarmSounded = FALSE;
15462 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15464 alarmSounded = TRUE;
15470 /* A player has just moved, so stop the previously running
15471 clock and (if in clock mode) start the other one.
15472 We redisplay both clocks in case we're in ICS mode, because
15473 ICS gives us an update to both clocks after every move.
15474 Note that this routine is called *after* forwardMostMove
15475 is updated, so the last fractional tick must be subtracted
15476 from the color that is *not* on move now.
15479 SwitchClocks(int newMoveNr)
15481 long lastTickLength;
15483 int flagged = FALSE;
15487 if (StopClockTimer() && appData.clockMode) {
15488 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15489 if (!WhiteOnMove(forwardMostMove)) {
15490 if(blackNPS >= 0) lastTickLength = 0;
15491 blackTimeRemaining -= lastTickLength;
15492 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15493 // if(pvInfoList[forwardMostMove].time == -1)
15494 pvInfoList[forwardMostMove].time = // use GUI time
15495 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15497 if(whiteNPS >= 0) lastTickLength = 0;
15498 whiteTimeRemaining -= lastTickLength;
15499 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15500 // if(pvInfoList[forwardMostMove].time == -1)
15501 pvInfoList[forwardMostMove].time =
15502 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15504 flagged = CheckFlags();
15506 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15507 CheckTimeControl();
15509 if (flagged || !appData.clockMode) return;
15511 switch (gameMode) {
15512 case MachinePlaysBlack:
15513 case MachinePlaysWhite:
15514 case BeginningOfGame:
15515 if (pausing) return;
15519 case PlayFromGameFile:
15527 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15528 if(WhiteOnMove(forwardMostMove))
15529 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15530 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15534 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15535 whiteTimeRemaining : blackTimeRemaining);
15536 StartClockTimer(intendedTickLength);
15540 /* Stop both clocks */
15544 long lastTickLength;
15547 if (!StopClockTimer()) return;
15548 if (!appData.clockMode) return;
15552 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15553 if (WhiteOnMove(forwardMostMove)) {
15554 if(whiteNPS >= 0) lastTickLength = 0;
15555 whiteTimeRemaining -= lastTickLength;
15556 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15558 if(blackNPS >= 0) lastTickLength = 0;
15559 blackTimeRemaining -= lastTickLength;
15560 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15565 /* Start clock of player on move. Time may have been reset, so
15566 if clock is already running, stop and restart it. */
15570 (void) StopClockTimer(); /* in case it was running already */
15571 DisplayBothClocks();
15572 if (CheckFlags()) return;
15574 if (!appData.clockMode) return;
15575 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15577 GetTimeMark(&tickStartTM);
15578 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15579 whiteTimeRemaining : blackTimeRemaining);
15581 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15582 whiteNPS = blackNPS = -1;
15583 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15584 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15585 whiteNPS = first.nps;
15586 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15587 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15588 blackNPS = first.nps;
15589 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15590 whiteNPS = second.nps;
15591 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15592 blackNPS = second.nps;
15593 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15595 StartClockTimer(intendedTickLength);
15602 long second, minute, hour, day;
15604 static char buf[32];
15606 if (ms > 0 && ms <= 9900) {
15607 /* convert milliseconds to tenths, rounding up */
15608 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15610 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15614 /* convert milliseconds to seconds, rounding up */
15615 /* use floating point to avoid strangeness of integer division
15616 with negative dividends on many machines */
15617 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15624 day = second / (60 * 60 * 24);
15625 second = second % (60 * 60 * 24);
15626 hour = second / (60 * 60);
15627 second = second % (60 * 60);
15628 minute = second / 60;
15629 second = second % 60;
15632 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15633 sign, day, hour, minute, second);
15635 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15637 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15644 * This is necessary because some C libraries aren't ANSI C compliant yet.
15647 StrStr(string, match)
15648 char *string, *match;
15652 length = strlen(match);
15654 for (i = strlen(string) - length; i >= 0; i--, string++)
15655 if (!strncmp(match, string, length))
15662 StrCaseStr(string, match)
15663 char *string, *match;
15667 length = strlen(match);
15669 for (i = strlen(string) - length; i >= 0; i--, string++) {
15670 for (j = 0; j < length; j++) {
15671 if (ToLower(match[j]) != ToLower(string[j]))
15674 if (j == length) return string;
15688 c1 = ToLower(*s1++);
15689 c2 = ToLower(*s2++);
15690 if (c1 > c2) return 1;
15691 if (c1 < c2) return -1;
15692 if (c1 == NULLCHAR) return 0;
15701 return isupper(c) ? tolower(c) : c;
15709 return islower(c) ? toupper(c) : c;
15711 #endif /* !_amigados */
15719 if ((ret = (char *) malloc(strlen(s) + 1)))
15721 safeStrCpy(ret, s, strlen(s)+1);
15727 StrSavePtr(s, savePtr)
15728 char *s, **savePtr;
15733 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15734 safeStrCpy(*savePtr, s, strlen(s)+1);
15746 clock = time((time_t *)NULL);
15747 tm = localtime(&clock);
15748 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15749 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15750 return StrSave(buf);
15755 PositionToFEN(move, overrideCastling)
15757 char *overrideCastling;
15759 int i, j, fromX, fromY, toX, toY;
15766 whiteToPlay = (gameMode == EditPosition) ?
15767 !blackPlaysFirst : (move % 2 == 0);
15770 /* Piece placement data */
15771 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15773 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15774 if (boards[move][i][j] == EmptySquare) {
15776 } else { ChessSquare piece = boards[move][i][j];
15777 if (emptycount > 0) {
15778 if(emptycount<10) /* [HGM] can be >= 10 */
15779 *p++ = '0' + emptycount;
15780 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15783 if(PieceToChar(piece) == '+') {
15784 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15786 piece = (ChessSquare)(DEMOTED piece);
15788 *p++ = PieceToChar(piece);
15790 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15791 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15796 if (emptycount > 0) {
15797 if(emptycount<10) /* [HGM] can be >= 10 */
15798 *p++ = '0' + emptycount;
15799 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15806 /* [HGM] print Crazyhouse or Shogi holdings */
15807 if( gameInfo.holdingsWidth ) {
15808 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15810 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15811 piece = boards[move][i][BOARD_WIDTH-1];
15812 if( piece != EmptySquare )
15813 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15814 *p++ = PieceToChar(piece);
15816 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15817 piece = boards[move][BOARD_HEIGHT-i-1][0];
15818 if( piece != EmptySquare )
15819 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15820 *p++ = PieceToChar(piece);
15823 if( q == p ) *p++ = '-';
15829 *p++ = whiteToPlay ? 'w' : 'b';
15832 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15833 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15835 if(nrCastlingRights) {
15837 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15838 /* [HGM] write directly from rights */
15839 if(boards[move][CASTLING][2] != NoRights &&
15840 boards[move][CASTLING][0] != NoRights )
15841 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15842 if(boards[move][CASTLING][2] != NoRights &&
15843 boards[move][CASTLING][1] != NoRights )
15844 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15845 if(boards[move][CASTLING][5] != NoRights &&
15846 boards[move][CASTLING][3] != NoRights )
15847 *p++ = boards[move][CASTLING][3] + AAA;
15848 if(boards[move][CASTLING][5] != NoRights &&
15849 boards[move][CASTLING][4] != NoRights )
15850 *p++ = boards[move][CASTLING][4] + AAA;
15853 /* [HGM] write true castling rights */
15854 if( nrCastlingRights == 6 ) {
15855 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15856 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15857 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15858 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15859 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15860 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15861 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15862 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15865 if (q == p) *p++ = '-'; /* No castling rights */
15869 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15870 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15871 /* En passant target square */
15872 if (move > backwardMostMove) {
15873 fromX = moveList[move - 1][0] - AAA;
15874 fromY = moveList[move - 1][1] - ONE;
15875 toX = moveList[move - 1][2] - AAA;
15876 toY = moveList[move - 1][3] - ONE;
15877 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15878 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15879 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15881 /* 2-square pawn move just happened */
15883 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15887 } else if(move == backwardMostMove) {
15888 // [HGM] perhaps we should always do it like this, and forget the above?
15889 if((signed char)boards[move][EP_STATUS] >= 0) {
15890 *p++ = boards[move][EP_STATUS] + AAA;
15891 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15902 /* [HGM] find reversible plies */
15903 { int i = 0, j=move;
15905 if (appData.debugMode) { int k;
15906 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15907 for(k=backwardMostMove; k<=forwardMostMove; k++)
15908 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15912 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15913 if( j == backwardMostMove ) i += initialRulePlies;
15914 sprintf(p, "%d ", i);
15915 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15917 /* Fullmove number */
15918 sprintf(p, "%d", (move / 2) + 1);
15920 return StrSave(buf);
15924 ParseFEN(board, blackPlaysFirst, fen)
15926 int *blackPlaysFirst;
15936 /* [HGM] by default clear Crazyhouse holdings, if present */
15937 if(gameInfo.holdingsWidth) {
15938 for(i=0; i<BOARD_HEIGHT; i++) {
15939 board[i][0] = EmptySquare; /* black holdings */
15940 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15941 board[i][1] = (ChessSquare) 0; /* black counts */
15942 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15946 /* Piece placement data */
15947 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15950 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15951 if (*p == '/') p++;
15952 emptycount = gameInfo.boardWidth - j;
15953 while (emptycount--)
15954 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15956 #if(BOARD_FILES >= 10)
15957 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15958 p++; emptycount=10;
15959 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15960 while (emptycount--)
15961 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15963 } else if (isdigit(*p)) {
15964 emptycount = *p++ - '0';
15965 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15966 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15967 while (emptycount--)
15968 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15969 } else if (*p == '+' || isalpha(*p)) {
15970 if (j >= gameInfo.boardWidth) return FALSE;
15972 piece = CharToPiece(*++p);
15973 if(piece == EmptySquare) return FALSE; /* unknown piece */
15974 piece = (ChessSquare) (PROMOTED piece ); p++;
15975 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15976 } else piece = CharToPiece(*p++);
15978 if(piece==EmptySquare) return FALSE; /* unknown piece */
15979 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15980 piece = (ChessSquare) (PROMOTED piece);
15981 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15984 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15990 while (*p == '/' || *p == ' ') p++;
15992 /* [HGM] look for Crazyhouse holdings here */
15993 while(*p==' ') p++;
15994 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15996 if(*p == '-' ) p++; /* empty holdings */ else {
15997 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15998 /* if we would allow FEN reading to set board size, we would */
15999 /* have to add holdings and shift the board read so far here */
16000 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16002 if((int) piece >= (int) BlackPawn ) {
16003 i = (int)piece - (int)BlackPawn;
16004 i = PieceToNumber((ChessSquare)i);
16005 if( i >= gameInfo.holdingsSize ) return FALSE;
16006 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16007 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16009 i = (int)piece - (int)WhitePawn;
16010 i = PieceToNumber((ChessSquare)i);
16011 if( i >= gameInfo.holdingsSize ) return FALSE;
16012 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16013 board[i][BOARD_WIDTH-2]++; /* black holdings */
16020 while(*p == ' ') p++;
16024 if(appData.colorNickNames) {
16025 if( c == appData.colorNickNames[0] ) c = 'w'; else
16026 if( c == appData.colorNickNames[1] ) c = 'b';
16030 *blackPlaysFirst = FALSE;
16033 *blackPlaysFirst = TRUE;
16039 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16040 /* return the extra info in global variiables */
16042 /* set defaults in case FEN is incomplete */
16043 board[EP_STATUS] = EP_UNKNOWN;
16044 for(i=0; i<nrCastlingRights; i++ ) {
16045 board[CASTLING][i] =
16046 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16047 } /* assume possible unless obviously impossible */
16048 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16049 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16050 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16051 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16052 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16053 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16054 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16055 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16058 while(*p==' ') p++;
16059 if(nrCastlingRights) {
16060 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16061 /* castling indicator present, so default becomes no castlings */
16062 for(i=0; i<nrCastlingRights; i++ ) {
16063 board[CASTLING][i] = NoRights;
16066 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16067 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16068 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16069 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16070 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16072 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16073 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16074 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16076 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16077 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16078 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16079 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16080 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16081 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16084 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16085 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16086 board[CASTLING][2] = whiteKingFile;
16089 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16090 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16091 board[CASTLING][2] = whiteKingFile;
16094 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16095 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16096 board[CASTLING][5] = blackKingFile;
16099 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16100 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16101 board[CASTLING][5] = blackKingFile;
16104 default: /* FRC castlings */
16105 if(c >= 'a') { /* black rights */
16106 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16107 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16108 if(i == BOARD_RGHT) break;
16109 board[CASTLING][5] = i;
16111 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16112 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16114 board[CASTLING][3] = c;
16116 board[CASTLING][4] = c;
16117 } else { /* white rights */
16118 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16119 if(board[0][i] == WhiteKing) break;
16120 if(i == BOARD_RGHT) break;
16121 board[CASTLING][2] = i;
16122 c -= AAA - 'a' + 'A';
16123 if(board[0][c] >= WhiteKing) break;
16125 board[CASTLING][0] = c;
16127 board[CASTLING][1] = c;
16131 for(i=0; i<nrCastlingRights; i++)
16132 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16133 if (appData.debugMode) {
16134 fprintf(debugFP, "FEN castling rights:");
16135 for(i=0; i<nrCastlingRights; i++)
16136 fprintf(debugFP, " %d", board[CASTLING][i]);
16137 fprintf(debugFP, "\n");
16140 while(*p==' ') p++;
16143 /* read e.p. field in games that know e.p. capture */
16144 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16145 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16147 p++; board[EP_STATUS] = EP_NONE;
16149 char c = *p++ - AAA;
16151 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16152 if(*p >= '0' && *p <='9') p++;
16153 board[EP_STATUS] = c;
16158 if(sscanf(p, "%d", &i) == 1) {
16159 FENrulePlies = i; /* 50-move ply counter */
16160 /* (The move number is still ignored) */
16167 EditPositionPasteFEN(char *fen)
16170 Board initial_position;
16172 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16173 DisplayError(_("Bad FEN position in clipboard"), 0);
16176 int savedBlackPlaysFirst = blackPlaysFirst;
16177 EditPositionEvent();
16178 blackPlaysFirst = savedBlackPlaysFirst;
16179 CopyBoard(boards[0], initial_position);
16180 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16181 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16182 DisplayBothClocks();
16183 DrawPosition(FALSE, boards[currentMove]);
16188 static char cseq[12] = "\\ ";
16190 Boolean set_cont_sequence(char *new_seq)
16195 // handle bad attempts to set the sequence
16197 return 0; // acceptable error - no debug
16199 len = strlen(new_seq);
16200 ret = (len > 0) && (len < sizeof(cseq));
16202 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16203 else if (appData.debugMode)
16204 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16209 reformat a source message so words don't cross the width boundary. internal
16210 newlines are not removed. returns the wrapped size (no null character unless
16211 included in source message). If dest is NULL, only calculate the size required
16212 for the dest buffer. lp argument indicats line position upon entry, and it's
16213 passed back upon exit.
16215 int wrap(char *dest, char *src, int count, int width, int *lp)
16217 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16219 cseq_len = strlen(cseq);
16220 old_line = line = *lp;
16221 ansi = len = clen = 0;
16223 for (i=0; i < count; i++)
16225 if (src[i] == '\033')
16228 // if we hit the width, back up
16229 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16231 // store i & len in case the word is too long
16232 old_i = i, old_len = len;
16234 // find the end of the last word
16235 while (i && src[i] != ' ' && src[i] != '\n')
16241 // word too long? restore i & len before splitting it
16242 if ((old_i-i+clen) >= width)
16249 if (i && src[i-1] == ' ')
16252 if (src[i] != ' ' && src[i] != '\n')
16259 // now append the newline and continuation sequence
16264 strncpy(dest+len, cseq, cseq_len);
16272 dest[len] = src[i];
16276 if (src[i] == '\n')
16281 if (dest && appData.debugMode)
16283 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16284 count, width, line, len, *lp);
16285 show_bytes(debugFP, src, count);
16286 fprintf(debugFP, "\ndest: ");
16287 show_bytes(debugFP, dest, len);
16288 fprintf(debugFP, "\n");
16290 *lp = dest ? line : old_line;
16295 // [HGM] vari: routines for shelving variations
16298 PushInner(int firstMove, int lastMove)
16300 int i, j, nrMoves = lastMove - firstMove;
16302 // push current tail of game on stack
16303 savedResult[storedGames] = gameInfo.result;
16304 savedDetails[storedGames] = gameInfo.resultDetails;
16305 gameInfo.resultDetails = NULL;
16306 savedFirst[storedGames] = firstMove;
16307 savedLast [storedGames] = lastMove;
16308 savedFramePtr[storedGames] = framePtr;
16309 framePtr -= nrMoves; // reserve space for the boards
16310 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16311 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16312 for(j=0; j<MOVE_LEN; j++)
16313 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16314 for(j=0; j<2*MOVE_LEN; j++)
16315 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16316 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16317 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16318 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16319 pvInfoList[firstMove+i-1].depth = 0;
16320 commentList[framePtr+i] = commentList[firstMove+i];
16321 commentList[firstMove+i] = NULL;
16325 forwardMostMove = firstMove; // truncate game so we can start variation
16329 PushTail(int firstMove, int lastMove)
16331 if(appData.icsActive) { // only in local mode
16332 forwardMostMove = currentMove; // mimic old ICS behavior
16335 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16337 PushInner(firstMove, lastMove);
16338 if(storedGames == 1) GreyRevert(FALSE);
16342 PopInner(Boolean annotate)
16345 char buf[8000], moveBuf[20];
16348 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16349 nrMoves = savedLast[storedGames] - currentMove;
16352 if(!WhiteOnMove(currentMove))
16353 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16354 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16355 for(i=currentMove; i<forwardMostMove; i++) {
16357 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16358 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16359 strcat(buf, moveBuf);
16360 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16361 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16365 for(i=1; i<=nrMoves; i++) { // copy last variation back
16366 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16367 for(j=0; j<MOVE_LEN; j++)
16368 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16369 for(j=0; j<2*MOVE_LEN; j++)
16370 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16371 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16372 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16373 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16374 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16375 commentList[currentMove+i] = commentList[framePtr+i];
16376 commentList[framePtr+i] = NULL;
16378 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16379 framePtr = savedFramePtr[storedGames];
16380 gameInfo.result = savedResult[storedGames];
16381 if(gameInfo.resultDetails != NULL) {
16382 free(gameInfo.resultDetails);
16384 gameInfo.resultDetails = savedDetails[storedGames];
16385 forwardMostMove = currentMove + nrMoves;
16389 PopTail(Boolean annotate)
16391 if(appData.icsActive) return FALSE; // only in local mode
16392 if(!storedGames) return FALSE; // sanity
16393 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16395 PopInner(annotate);
16397 if(storedGames == 0) GreyRevert(TRUE);
16403 { // remove all shelved variations
16405 for(i=0; i<storedGames; i++) {
16406 if(savedDetails[i])
16407 free(savedDetails[i]);
16408 savedDetails[i] = NULL;
16410 for(i=framePtr; i<MAX_MOVES; i++) {
16411 if(commentList[i]) free(commentList[i]);
16412 commentList[i] = NULL;
16414 framePtr = MAX_MOVES-1;
16419 LoadVariation(int index, char *text)
16420 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16421 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16422 int level = 0, move;
16424 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16425 // first find outermost bracketing variation
16426 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16427 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16428 if(*p == '{') wait = '}'; else
16429 if(*p == '[') wait = ']'; else
16430 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16431 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16433 if(*p == wait) wait = NULLCHAR; // closing ]} found
16436 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16437 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16438 end[1] = NULLCHAR; // clip off comment beyond variation
16439 ToNrEvent(currentMove-1);
16440 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16441 // kludge: use ParsePV() to append variation to game
16442 move = currentMove;
16443 ParsePV(start, TRUE, TRUE);
16444 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16445 ClearPremoveHighlights();
16447 ToNrEvent(currentMove+1);