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));
238 extern void ConsoleCreate();
241 ChessProgramState *WhitePlayer();
242 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
243 int VerifyDisplayMode P(());
245 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
246 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
247 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
248 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
249 void ics_update_width P((int new_width));
250 extern char installDir[MSG_SIZ];
251 VariantClass startVariant; /* [HGM] nicks: initial variant */
254 extern int tinyLayout, smallLayout;
255 ChessProgramStats programStats;
256 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
258 static int exiting = 0; /* [HGM] moved to top */
259 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
260 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
261 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
262 int partnerHighlight[2];
263 Boolean partnerBoardValid = 0;
264 char partnerStatus[MSG_SIZ];
266 Boolean originalFlip;
267 Boolean twoBoards = 0;
268 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
269 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
270 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
271 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
272 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
273 int opponentKibitzes;
274 int lastSavedGame; /* [HGM] save: ID of game */
275 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
276 extern int chatCount;
278 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
279 char lastMsg[MSG_SIZ];
280 ChessSquare pieceSweep = EmptySquare;
281 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
282 int promoDefaultAltered;
284 /* States for ics_getting_history */
286 #define H_REQUESTED 1
287 #define H_GOT_REQ_HEADER 2
288 #define H_GOT_UNREQ_HEADER 3
289 #define H_GETTING_MOVES 4
290 #define H_GOT_UNWANTED_HEADER 5
292 /* whosays values for GameEnds */
301 /* Maximum number of games in a cmail message */
302 #define CMAIL_MAX_GAMES 20
304 /* Different types of move when calling RegisterMove */
306 #define CMAIL_RESIGN 1
308 #define CMAIL_ACCEPT 3
310 /* Different types of result to remember for each game */
311 #define CMAIL_NOT_RESULT 0
312 #define CMAIL_OLD_RESULT 1
313 #define CMAIL_NEW_RESULT 2
315 /* Telnet protocol constants */
326 safeStrCpy( char *dst, const char *src, size_t count )
329 assert( dst != NULL );
330 assert( src != NULL );
333 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
334 if( i == count && dst[count-1] != NULLCHAR)
336 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
337 if(appData.debugMode)
338 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
344 /* Some compiler can't cast u64 to double
345 * This function do the job for us:
347 * We use the highest bit for cast, this only
348 * works if the highest bit is not
349 * in use (This should not happen)
351 * We used this for all compiler
354 u64ToDouble(u64 value)
357 u64 tmp = value & u64Const(0x7fffffffffffffff);
358 r = (double)(s64)tmp;
359 if (value & u64Const(0x8000000000000000))
360 r += 9.2233720368547758080e18; /* 2^63 */
364 /* Fake up flags for now, as we aren't keeping track of castling
365 availability yet. [HGM] Change of logic: the flag now only
366 indicates the type of castlings allowed by the rule of the game.
367 The actual rights themselves are maintained in the array
368 castlingRights, as part of the game history, and are not probed
374 int flags = F_ALL_CASTLE_OK;
375 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
376 switch (gameInfo.variant) {
378 flags &= ~F_ALL_CASTLE_OK;
379 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
380 flags |= F_IGNORE_CHECK;
382 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
385 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
387 case VariantKriegspiel:
388 flags |= F_KRIEGSPIEL_CAPTURE;
390 case VariantCapaRandom:
391 case VariantFischeRandom:
392 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
393 case VariantNoCastle:
394 case VariantShatranj:
397 flags &= ~F_ALL_CASTLE_OK;
405 FILE *gameFileFP, *debugFP;
408 [AS] Note: sometimes, the sscanf() function is used to parse the input
409 into a fixed-size buffer. Because of this, we must be prepared to
410 receive strings as long as the size of the input buffer, which is currently
411 set to 4K for Windows and 8K for the rest.
412 So, we must either allocate sufficiently large buffers here, or
413 reduce the size of the input buffer in the input reading part.
416 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
417 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
418 char thinkOutput1[MSG_SIZ*10];
420 ChessProgramState first, second;
422 /* premove variables */
425 int premoveFromX = 0;
426 int premoveFromY = 0;
427 int premovePromoChar = 0;
429 Boolean alarmSounded;
430 /* end premove variables */
432 char *ics_prefix = "$";
433 int ics_type = ICS_GENERIC;
435 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
436 int pauseExamForwardMostMove = 0;
437 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
438 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
439 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
440 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
441 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
442 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
443 int whiteFlag = FALSE, blackFlag = FALSE;
444 int userOfferedDraw = FALSE;
445 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
446 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
447 int cmailMoveType[CMAIL_MAX_GAMES];
448 long ics_clock_paused = 0;
449 ProcRef icsPR = NoProc, cmailPR = NoProc;
450 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
451 GameMode gameMode = BeginningOfGame;
452 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
453 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
454 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
455 int hiddenThinkOutputState = 0; /* [AS] */
456 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
457 int adjudicateLossPlies = 6;
458 char white_holding[64], black_holding[64];
459 TimeMark lastNodeCountTime;
460 long lastNodeCount=0;
461 int shiftKey; // [HGM] set by mouse handler
463 int have_sent_ICS_logon = 0;
465 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
466 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
467 long timeControl_2; /* [AS] Allow separate time controls */
468 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
469 long timeRemaining[2][MAX_MOVES];
470 int matchGame = 0, nextGame = 0, roundNr = 0;
471 Boolean waitingForGame = FALSE;
472 TimeMark programStartTime, pauseStart;
473 char ics_handle[MSG_SIZ];
474 int have_set_title = 0;
476 /* animateTraining preserves the state of appData.animate
477 * when Training mode is activated. This allows the
478 * response to be animated when appData.animate == TRUE and
479 * appData.animateDragging == TRUE.
481 Boolean animateTraining;
487 Board boards[MAX_MOVES];
488 /* [HGM] Following 7 needed for accurate legality tests: */
489 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
490 signed char initialRights[BOARD_FILES];
491 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
492 int initialRulePlies, FENrulePlies;
493 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
496 int mute; // mute all sounds
498 // [HGM] vari: next 12 to save and restore variations
499 #define MAX_VARIATIONS 10
500 int framePtr = MAX_MOVES-1; // points to free stack entry
502 int savedFirst[MAX_VARIATIONS];
503 int savedLast[MAX_VARIATIONS];
504 int savedFramePtr[MAX_VARIATIONS];
505 char *savedDetails[MAX_VARIATIONS];
506 ChessMove savedResult[MAX_VARIATIONS];
508 void PushTail P((int firstMove, int lastMove));
509 Boolean PopTail P((Boolean annotate));
510 void PushInner P((int firstMove, int lastMove));
511 void PopInner P((Boolean annotate));
512 void CleanupTail P((void));
514 ChessSquare FIDEArray[2][BOARD_FILES] = {
515 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
516 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
518 BlackKing, BlackBishop, BlackKnight, BlackRook }
521 ChessSquare twoKingsArray[2][BOARD_FILES] = {
522 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
523 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
524 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
525 BlackKing, BlackKing, BlackKnight, BlackRook }
528 ChessSquare KnightmateArray[2][BOARD_FILES] = {
529 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
530 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
531 { BlackRook, BlackMan, BlackBishop, BlackQueen,
532 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
535 ChessSquare SpartanArray[2][BOARD_FILES] = {
536 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
537 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
538 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
539 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
542 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
543 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
544 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
545 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
546 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
549 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
550 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
551 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
553 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
556 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
557 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
558 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackMan, BlackFerz,
560 BlackKing, BlackMan, BlackKnight, BlackRook }
564 #if (BOARD_FILES>=10)
565 ChessSquare ShogiArray[2][BOARD_FILES] = {
566 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
567 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
568 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
569 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
572 ChessSquare XiangqiArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
574 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
576 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
579 ChessSquare CapablancaArray[2][BOARD_FILES] = {
580 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
581 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
582 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
583 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
586 ChessSquare GreatArray[2][BOARD_FILES] = {
587 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
588 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
589 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
590 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
593 ChessSquare JanusArray[2][BOARD_FILES] = {
594 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
595 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
596 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
597 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
601 ChessSquare GothicArray[2][BOARD_FILES] = {
602 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
603 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
604 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
605 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
608 #define GothicArray CapablancaArray
612 ChessSquare FalconArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
614 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
616 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
619 #define FalconArray CapablancaArray
622 #else // !(BOARD_FILES>=10)
623 #define XiangqiPosition FIDEArray
624 #define CapablancaArray FIDEArray
625 #define GothicArray FIDEArray
626 #define GreatArray FIDEArray
627 #endif // !(BOARD_FILES>=10)
629 #if (BOARD_FILES>=12)
630 ChessSquare CourierArray[2][BOARD_FILES] = {
631 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
632 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
633 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
634 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
636 #else // !(BOARD_FILES>=12)
637 #define CourierArray CapablancaArray
638 #endif // !(BOARD_FILES>=12)
641 Board initialPosition;
644 /* Convert str to a rating. Checks for special cases of "----",
646 "++++", etc. Also strips ()'s */
648 string_to_rating(str)
651 while(*str && !isdigit(*str)) ++str;
653 return 0; /* One of the special "no rating" cases */
661 /* Init programStats */
662 programStats.movelist[0] = 0;
663 programStats.depth = 0;
664 programStats.nr_moves = 0;
665 programStats.moves_left = 0;
666 programStats.nodes = 0;
667 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
668 programStats.score = 0;
669 programStats.got_only_move = 0;
670 programStats.got_fail = 0;
671 programStats.line_is_book = 0;
676 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
677 if (appData.firstPlaysBlack) {
678 first.twoMachinesColor = "black\n";
679 second.twoMachinesColor = "white\n";
681 first.twoMachinesColor = "white\n";
682 second.twoMachinesColor = "black\n";
685 first.other = &second;
686 second.other = &first;
689 if(appData.timeOddsMode) {
690 norm = appData.timeOdds[0];
691 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
693 first.timeOdds = appData.timeOdds[0]/norm;
694 second.timeOdds = appData.timeOdds[1]/norm;
697 if(programVersion) free(programVersion);
698 if (appData.noChessProgram) {
699 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
700 sprintf(programVersion, "%s", PACKAGE_STRING);
702 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
703 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
704 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
709 UnloadEngine(ChessProgramState *cps)
711 /* Kill off first chess program */
712 if (cps->isr != NULL)
713 RemoveInputSource(cps->isr);
716 if (cps->pr != NoProc) {
718 DoSleep( appData.delayBeforeQuit );
719 SendToProgram("quit\n", cps);
720 DoSleep( appData.delayAfterQuit );
721 DestroyChildProcess(cps->pr, cps->useSigterm);
724 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
728 ClearOptions(ChessProgramState *cps)
731 cps->nrOptions = cps->comboCnt = 0;
732 for(i=0; i<MAX_OPTIONS; i++) {
733 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
734 cps->option[i].textValue = 0;
738 char *engineNames[] = {
744 InitEngine(ChessProgramState *cps, int n)
745 { // [HGM] all engine initialiation put in a function that does one engine
749 cps->which = engineNames[n];
750 cps->maybeThinking = FALSE;
754 cps->sendDrawOffers = 1;
756 cps->program = appData.chessProgram[n];
757 cps->host = appData.host[n];
758 cps->dir = appData.directory[n];
759 cps->initString = appData.engInitString[n];
760 cps->computerString = appData.computerString[n];
761 cps->useSigint = TRUE;
762 cps->useSigterm = TRUE;
763 cps->reuse = appData.reuse[n];
764 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
765 cps->useSetboard = FALSE;
767 cps->usePing = FALSE;
770 cps->usePlayother = FALSE;
771 cps->useColors = TRUE;
772 cps->useUsermove = FALSE;
773 cps->sendICS = FALSE;
774 cps->sendName = appData.icsActive;
775 cps->sdKludge = FALSE;
776 cps->stKludge = FALSE;
777 TidyProgramName(cps->program, cps->host, cps->tidy);
779 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
780 cps->analysisSupport = 2; /* detect */
781 cps->analyzing = FALSE;
782 cps->initDone = FALSE;
784 /* New features added by Tord: */
785 cps->useFEN960 = FALSE;
786 cps->useOOCastle = TRUE;
787 /* End of new features added by Tord. */
788 cps->fenOverride = appData.fenOverride[n];
790 /* [HGM] time odds: set factor for each machine */
791 cps->timeOdds = appData.timeOdds[n];
793 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
794 cps->accumulateTC = appData.accumulateTC[n];
795 cps->maxNrOfSessions = 1;
800 cps->supportsNPS = UNKNOWN;
801 cps->memSize = FALSE;
802 cps->maxCores = FALSE;
803 cps->egtFormats[0] = NULLCHAR;
806 cps->optionSettings = appData.engOptions[n];
808 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
809 cps->isUCI = appData.isUCI[n]; /* [AS] */
810 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
812 if (appData.protocolVersion[n] > PROTOVER
813 || appData.protocolVersion[n] < 1)
818 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
819 appData.protocolVersion[n]);
820 if( (len > MSG_SIZ) && appData.debugMode )
821 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
823 DisplayFatalError(buf, 0, 2);
827 cps->protocolVersion = appData.protocolVersion[n];
830 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
833 ChessProgramState *savCps;
839 if(WaitForEngine(savCps, LoadEngine)) return;
840 CommonEngineInit(); // recalculate time odds
841 if(gameInfo.variant != StringToVariant(appData.variant)) {
842 // we changed variant when loading the engine; this forces us to reset
843 Reset(TRUE, savCps != &first);
844 EditGameEvent(); // for consistency with other path, as Reset changes mode
846 InitChessProgram(savCps, FALSE);
847 SendToProgram("force\n", savCps);
848 DisplayMessage("", "");
849 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
850 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
856 ReplaceEngine(ChessProgramState *cps, int n)
860 appData.noChessProgram = FALSE;
861 appData.clockMode = TRUE;
863 if(n) return; // only startup first engine immediately; second can wait
864 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
868 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
869 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
871 static char resetOptions[] =
872 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
873 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
876 Load(ChessProgramState *cps, int i)
878 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ];
879 if(engineLine[0]) { // an engine was selected from the combo box
880 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
881 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
882 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
883 ParseArgsFromString(buf);
885 ReplaceEngine(cps, i);
889 while(q = strchr(p, SLASH)) p = q+1;
890 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
891 if(engineDir[0] != NULLCHAR)
892 appData.directory[i] = engineDir;
893 else if(p != engineName) { // derive directory from engine path, when not given
895 appData.directory[i] = strdup(engineName);
897 } else appData.directory[i] = ".";
899 snprintf(command, MSG_SIZ, "%s %s", p, params);
902 appData.chessProgram[i] = strdup(p);
903 appData.isUCI[i] = isUCI;
904 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
905 appData.hasOwnBookUCI[i] = hasBook;
906 if(!nickName[0]) useNick = FALSE;
907 if(useNick) ASSIGN(appData.pgnName[i], nickName);
910 q = firstChessProgramNames;
911 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
912 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "\"%s\" -fd \"%s\"%s%s%s%s%s%s%s%s\n", p, appData.directory[i],
913 useNick ? " -fn \"" : "",
914 useNick ? nickName : "",
916 v1 ? " -firstProtocolVersion 1" : "",
917 hasBook ? "" : " -fNoOwnBookUCI",
918 isUCI ? " -fUCI" : "",
919 storeVariant ? " -variant " : "",
920 storeVariant ? VariantName(gameInfo.variant) : "");
921 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
922 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
925 ReplaceEngine(cps, i);
931 int matched, min, sec;
933 * Parse timeControl resource
935 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
936 appData.movesPerSession)) {
938 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
939 DisplayFatalError(buf, 0, 2);
943 * Parse searchTime resource
945 if (*appData.searchTime != NULLCHAR) {
946 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
948 searchTime = min * 60;
949 } else if (matched == 2) {
950 searchTime = min * 60 + sec;
953 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
954 DisplayFatalError(buf, 0, 2);
963 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
964 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
966 GetTimeMark(&programStartTime);
967 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
968 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
971 programStats.ok_to_send = 1;
972 programStats.seen_stat = 0;
975 * Initialize game list
981 * Internet chess server status
983 if (appData.icsActive) {
984 appData.matchMode = FALSE;
985 appData.matchGames = 0;
987 appData.noChessProgram = !appData.zippyPlay;
989 appData.zippyPlay = FALSE;
990 appData.zippyTalk = FALSE;
991 appData.noChessProgram = TRUE;
993 if (*appData.icsHelper != NULLCHAR) {
994 appData.useTelnet = TRUE;
995 appData.telnetProgram = appData.icsHelper;
998 appData.zippyTalk = appData.zippyPlay = FALSE;
1001 /* [AS] Initialize pv info list [HGM] and game state */
1005 for( i=0; i<=framePtr; i++ ) {
1006 pvInfoList[i].depth = -1;
1007 boards[i][EP_STATUS] = EP_NONE;
1008 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1014 /* [AS] Adjudication threshold */
1015 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1017 InitEngine(&first, 0);
1018 InitEngine(&second, 1);
1021 if (appData.icsActive) {
1022 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1023 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1024 appData.clockMode = FALSE;
1025 first.sendTime = second.sendTime = 0;
1029 /* Override some settings from environment variables, for backward
1030 compatibility. Unfortunately it's not feasible to have the env
1031 vars just set defaults, at least in xboard. Ugh.
1033 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1038 if (!appData.icsActive) {
1042 /* Check for variants that are supported only in ICS mode,
1043 or not at all. Some that are accepted here nevertheless
1044 have bugs; see comments below.
1046 VariantClass variant = StringToVariant(appData.variant);
1048 case VariantBughouse: /* need four players and two boards */
1049 case VariantKriegspiel: /* need to hide pieces and move details */
1050 /* case VariantFischeRandom: (Fabien: moved below) */
1051 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1052 if( (len > MSG_SIZ) && appData.debugMode )
1053 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1055 DisplayFatalError(buf, 0, 2);
1058 case VariantUnknown:
1059 case VariantLoadable:
1069 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1070 if( (len > MSG_SIZ) && appData.debugMode )
1071 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1073 DisplayFatalError(buf, 0, 2);
1076 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1077 case VariantFairy: /* [HGM] TestLegality definitely off! */
1078 case VariantGothic: /* [HGM] should work */
1079 case VariantCapablanca: /* [HGM] should work */
1080 case VariantCourier: /* [HGM] initial forced moves not implemented */
1081 case VariantShogi: /* [HGM] could still mate with pawn drop */
1082 case VariantKnightmate: /* [HGM] should work */
1083 case VariantCylinder: /* [HGM] untested */
1084 case VariantFalcon: /* [HGM] untested */
1085 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1086 offboard interposition not understood */
1087 case VariantNormal: /* definitely works! */
1088 case VariantWildCastle: /* pieces not automatically shuffled */
1089 case VariantNoCastle: /* pieces not automatically shuffled */
1090 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1091 case VariantLosers: /* should work except for win condition,
1092 and doesn't know captures are mandatory */
1093 case VariantSuicide: /* should work except for win condition,
1094 and doesn't know captures are mandatory */
1095 case VariantGiveaway: /* should work except for win condition,
1096 and doesn't know captures are mandatory */
1097 case VariantTwoKings: /* should work */
1098 case VariantAtomic: /* should work except for win condition */
1099 case Variant3Check: /* should work except for win condition */
1100 case VariantShatranj: /* should work except for all win conditions */
1101 case VariantMakruk: /* should work except for daw countdown */
1102 case VariantBerolina: /* might work if TestLegality is off */
1103 case VariantCapaRandom: /* should work */
1104 case VariantJanus: /* should work */
1105 case VariantSuper: /* experimental */
1106 case VariantGreat: /* experimental, requires legality testing to be off */
1107 case VariantSChess: /* S-Chess, should work */
1108 case VariantSpartan: /* should work */
1115 int NextIntegerFromString( char ** str, long * value )
1120 while( *s == ' ' || *s == '\t' ) {
1126 if( *s >= '0' && *s <= '9' ) {
1127 while( *s >= '0' && *s <= '9' ) {
1128 *value = *value * 10 + (*s - '0');
1140 int NextTimeControlFromString( char ** str, long * value )
1143 int result = NextIntegerFromString( str, &temp );
1146 *value = temp * 60; /* Minutes */
1147 if( **str == ':' ) {
1149 result = NextIntegerFromString( str, &temp );
1150 *value += temp; /* Seconds */
1157 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1158 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1159 int result = -1, type = 0; long temp, temp2;
1161 if(**str != ':') return -1; // old params remain in force!
1163 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1164 if( NextIntegerFromString( str, &temp ) ) return -1;
1165 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1168 /* time only: incremental or sudden-death time control */
1169 if(**str == '+') { /* increment follows; read it */
1171 if(**str == '!') type = *(*str)++; // Bronstein TC
1172 if(result = NextIntegerFromString( str, &temp2)) return -1;
1173 *inc = temp2 * 1000;
1174 if(**str == '.') { // read fraction of increment
1175 char *start = ++(*str);
1176 if(result = NextIntegerFromString( str, &temp2)) return -1;
1178 while(start++ < *str) temp2 /= 10;
1182 *moves = 0; *tc = temp * 1000; *incType = type;
1186 (*str)++; /* classical time control */
1187 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1198 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1199 { /* [HGM] get time to add from the multi-session time-control string */
1200 int incType, moves=1; /* kludge to force reading of first session */
1201 long time, increment;
1204 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1205 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1207 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1208 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1209 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1210 if(movenr == -1) return time; /* last move before new session */
1211 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1212 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1213 if(!moves) return increment; /* current session is incremental */
1214 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1215 } while(movenr >= -1); /* try again for next session */
1217 return 0; // no new time quota on this move
1221 ParseTimeControl(tc, ti, mps)
1228 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1231 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1232 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1233 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1237 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1239 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1242 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1244 snprintf(buf, MSG_SIZ, ":%s", mytc);
1246 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1248 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1253 /* Parse second time control */
1256 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1264 timeControl_2 = tc2 * 1000;
1274 timeControl = tc1 * 1000;
1277 timeIncrement = ti * 1000; /* convert to ms */
1278 movesPerSession = 0;
1281 movesPerSession = mps;
1289 if (appData.debugMode) {
1290 fprintf(debugFP, "%s\n", programVersion);
1293 set_cont_sequence(appData.wrapContSeq);
1294 if (appData.matchGames > 0) {
1295 appData.matchMode = TRUE;
1296 } else if (appData.matchMode) {
1297 appData.matchGames = 1;
1299 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1300 appData.matchGames = appData.sameColorGames;
1301 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1302 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1303 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1306 if (appData.noChessProgram || first.protocolVersion == 1) {
1309 /* kludge: allow timeout for initial "feature" commands */
1311 DisplayMessage("", _("Starting chess program"));
1312 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1317 CalculateIndex(int index, int gameNr)
1318 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1320 if(index > 0) return index; // fixed nmber
1321 if(index == 0) return 1;
1322 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1323 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1328 LoadGameOrPosition(int gameNr)
1329 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1330 if (*appData.loadGameFile != NULLCHAR) {
1331 if (!LoadGameFromFile(appData.loadGameFile,
1332 CalculateIndex(appData.loadGameIndex, gameNr),
1333 appData.loadGameFile, FALSE)) {
1334 DisplayFatalError(_("Bad game file"), 0, 1);
1337 } else if (*appData.loadPositionFile != NULLCHAR) {
1338 if (!LoadPositionFromFile(appData.loadPositionFile,
1339 CalculateIndex(appData.loadPositionIndex, gameNr),
1340 appData.loadPositionFile)) {
1341 DisplayFatalError(_("Bad position file"), 0, 1);
1349 ReserveGame(int gameNr, char resChar)
1351 FILE *tf = fopen(appData.tourneyFile, "r+");
1352 char *p, *q, c, buf[MSG_SIZ];
1353 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1354 safeStrCpy(buf, lastMsg, MSG_SIZ);
1355 DisplayMessage(_("Pick new game"), "");
1356 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1357 ParseArgsFromFile(tf);
1358 p = q = appData.results;
1359 if(appData.debugMode) {
1360 char *r = appData.participants;
1361 fprintf(debugFP, "results = '%s'\n", p);
1362 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1363 fprintf(debugFP, "\n");
1365 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1367 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1368 safeStrCpy(q, p, strlen(p) + 2);
1369 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1370 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1371 if(nextGame <= appData.matchGames && resChar != ' ') { // already reserve next game, if tourney not yet done
1372 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1375 fseek(tf, -(strlen(p)+4), SEEK_END);
1377 if(c != '"') // depending on DOS or Unix line endings we can be one off
1378 fseek(tf, -(strlen(p)+2), SEEK_END);
1379 else fseek(tf, -(strlen(p)+3), SEEK_END);
1380 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1381 DisplayMessage(buf, "");
1382 free(p); appData.results = q;
1383 if(nextGame <= appData.matchGames && resChar != ' ' &&
1384 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1385 UnloadEngine(&first); // next game belongs to other pairing;
1386 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1391 MatchEvent(int mode)
1392 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1394 if(matchMode) { // already in match mode: switch it off
1396 appData.matchGames = appData.tourneyFile[0] ? nextGame: matchGame; // kludge to let match terminate after next game.
1397 ModeHighlight(); // kludgey way to remove checkmark...
1400 // if(gameMode != BeginningOfGame) {
1401 // DisplayError(_("You can only start a match from the initial position."), 0);
1405 appData.matchGames = appData.defaultMatchGames;
1406 /* Set up machine vs. machine match */
1408 NextTourneyGame(0, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1409 if(appData.tourneyFile[0]) {
1411 if(nextGame > appData.matchGames) {
1413 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1414 DisplayError(buf, 0);
1415 appData.tourneyFile[0] = 0;
1419 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1420 DisplayFatalError(_("Can't have a match with no chess programs"),
1425 matchGame = roundNr = 1;
1426 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
\r
1431 InitBackEnd3 P((void))
1433 GameMode initialMode;
1437 InitChessProgram(&first, startedFromSetupPosition);
1439 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1440 free(programVersion);
1441 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1442 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1445 if (appData.icsActive) {
1447 /* [DM] Make a console window if needed [HGM] merged ifs */
1453 if (*appData.icsCommPort != NULLCHAR)
1454 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1455 appData.icsCommPort);
1457 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1458 appData.icsHost, appData.icsPort);
1460 if( (len > MSG_SIZ) && appData.debugMode )
1461 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1463 DisplayFatalError(buf, err, 1);
1468 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1470 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1471 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1472 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1473 } else if (appData.noChessProgram) {
1479 if (*appData.cmailGameName != NULLCHAR) {
1481 OpenLoopback(&cmailPR);
1483 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1487 DisplayMessage("", "");
1488 if (StrCaseCmp(appData.initialMode, "") == 0) {
1489 initialMode = BeginningOfGame;
1490 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1491 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1492 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1493 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1496 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1497 initialMode = TwoMachinesPlay;
1498 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1499 initialMode = AnalyzeFile;
1500 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1501 initialMode = AnalyzeMode;
1502 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1503 initialMode = MachinePlaysWhite;
1504 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1505 initialMode = MachinePlaysBlack;
1506 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1507 initialMode = EditGame;
1508 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1509 initialMode = EditPosition;
1510 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1511 initialMode = Training;
1513 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1514 if( (len > MSG_SIZ) && appData.debugMode )
1515 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1517 DisplayFatalError(buf, 0, 2);
1521 if (appData.matchMode) {
1522 if(appData.tourneyFile[0]) { // start tourney from command line
1524 if(f = fopen(appData.tourneyFile, "r")) {
1525 ParseArgsFromFile(f); // make sure tourney parmeters re known
1527 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1530 } else if (*appData.cmailGameName != NULLCHAR) {
1531 /* Set up cmail mode */
1532 ReloadCmailMsgEvent(TRUE);
1534 /* Set up other modes */
1535 if (initialMode == AnalyzeFile) {
1536 if (*appData.loadGameFile == NULLCHAR) {
1537 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1541 if (*appData.loadGameFile != NULLCHAR) {
1542 (void) LoadGameFromFile(appData.loadGameFile,
1543 appData.loadGameIndex,
1544 appData.loadGameFile, TRUE);
1545 } else if (*appData.loadPositionFile != NULLCHAR) {
1546 (void) LoadPositionFromFile(appData.loadPositionFile,
1547 appData.loadPositionIndex,
1548 appData.loadPositionFile);
1549 /* [HGM] try to make self-starting even after FEN load */
1550 /* to allow automatic setup of fairy variants with wtm */
1551 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1552 gameMode = BeginningOfGame;
1553 setboardSpoiledMachineBlack = 1;
1555 /* [HGM] loadPos: make that every new game uses the setup */
1556 /* from file as long as we do not switch variant */
1557 if(!blackPlaysFirst) {
1558 startedFromPositionFile = TRUE;
1559 CopyBoard(filePosition, boards[0]);
1562 if (initialMode == AnalyzeMode) {
1563 if (appData.noChessProgram) {
1564 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1567 if (appData.icsActive) {
1568 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1572 } else if (initialMode == AnalyzeFile) {
1573 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1574 ShowThinkingEvent();
1576 AnalysisPeriodicEvent(1);
1577 } else if (initialMode == MachinePlaysWhite) {
1578 if (appData.noChessProgram) {
1579 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1583 if (appData.icsActive) {
1584 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1588 MachineWhiteEvent();
1589 } else if (initialMode == MachinePlaysBlack) {
1590 if (appData.noChessProgram) {
1591 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1595 if (appData.icsActive) {
1596 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1600 MachineBlackEvent();
1601 } else if (initialMode == TwoMachinesPlay) {
1602 if (appData.noChessProgram) {
1603 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1607 if (appData.icsActive) {
1608 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1613 } else if (initialMode == EditGame) {
1615 } else if (initialMode == EditPosition) {
1616 EditPositionEvent();
1617 } else if (initialMode == Training) {
1618 if (*appData.loadGameFile == NULLCHAR) {
1619 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1628 * Establish will establish a contact to a remote host.port.
1629 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1630 * used to talk to the host.
1631 * Returns 0 if okay, error code if not.
1638 if (*appData.icsCommPort != NULLCHAR) {
1639 /* Talk to the host through a serial comm port */
1640 return OpenCommPort(appData.icsCommPort, &icsPR);
1642 } else if (*appData.gateway != NULLCHAR) {
1643 if (*appData.remoteShell == NULLCHAR) {
1644 /* Use the rcmd protocol to run telnet program on a gateway host */
1645 snprintf(buf, sizeof(buf), "%s %s %s",
1646 appData.telnetProgram, appData.icsHost, appData.icsPort);
1647 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1650 /* Use the rsh program to run telnet program on a gateway host */
1651 if (*appData.remoteUser == NULLCHAR) {
1652 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1653 appData.gateway, appData.telnetProgram,
1654 appData.icsHost, appData.icsPort);
1656 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1657 appData.remoteShell, appData.gateway,
1658 appData.remoteUser, appData.telnetProgram,
1659 appData.icsHost, appData.icsPort);
1661 return StartChildProcess(buf, "", &icsPR);
1664 } else if (appData.useTelnet) {
1665 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1668 /* TCP socket interface differs somewhat between
1669 Unix and NT; handle details in the front end.
1671 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1675 void EscapeExpand(char *p, char *q)
1676 { // [HGM] initstring: routine to shape up string arguments
1677 while(*p++ = *q++) if(p[-1] == '\\')
1679 case 'n': p[-1] = '\n'; break;
1680 case 'r': p[-1] = '\r'; break;
1681 case 't': p[-1] = '\t'; break;
1682 case '\\': p[-1] = '\\'; break;
1683 case 0: *p = 0; return;
1684 default: p[-1] = q[-1]; break;
1689 show_bytes(fp, buf, count)
1695 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1696 fprintf(fp, "\\%03o", *buf & 0xff);
1705 /* Returns an errno value */
1707 OutputMaybeTelnet(pr, message, count, outError)
1713 char buf[8192], *p, *q, *buflim;
1714 int left, newcount, outcount;
1716 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1717 *appData.gateway != NULLCHAR) {
1718 if (appData.debugMode) {
1719 fprintf(debugFP, ">ICS: ");
1720 show_bytes(debugFP, message, count);
1721 fprintf(debugFP, "\n");
1723 return OutputToProcess(pr, message, count, outError);
1726 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1733 if (appData.debugMode) {
1734 fprintf(debugFP, ">ICS: ");
1735 show_bytes(debugFP, buf, newcount);
1736 fprintf(debugFP, "\n");
1738 outcount = OutputToProcess(pr, buf, newcount, outError);
1739 if (outcount < newcount) return -1; /* to be sure */
1746 } else if (((unsigned char) *p) == TN_IAC) {
1747 *q++ = (char) TN_IAC;
1754 if (appData.debugMode) {
1755 fprintf(debugFP, ">ICS: ");
1756 show_bytes(debugFP, buf, newcount);
1757 fprintf(debugFP, "\n");
1759 outcount = OutputToProcess(pr, buf, newcount, outError);
1760 if (outcount < newcount) return -1; /* to be sure */
1765 read_from_player(isr, closure, message, count, error)
1772 int outError, outCount;
1773 static int gotEof = 0;
1775 /* Pass data read from player on to ICS */
1778 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1779 if (outCount < count) {
1780 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1782 } else if (count < 0) {
1783 RemoveInputSource(isr);
1784 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1785 } else if (gotEof++ > 0) {
1786 RemoveInputSource(isr);
1787 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1793 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1794 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1795 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1796 SendToICS("date\n");
1797 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1800 /* added routine for printf style output to ics */
1801 void ics_printf(char *format, ...)
1803 char buffer[MSG_SIZ];
1806 va_start(args, format);
1807 vsnprintf(buffer, sizeof(buffer), format, args);
1808 buffer[sizeof(buffer)-1] = '\0';
1817 int count, outCount, outError;
1819 if (icsPR == NULL) return;
1822 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1823 if (outCount < count) {
1824 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1828 /* This is used for sending logon scripts to the ICS. Sending
1829 without a delay causes problems when using timestamp on ICC
1830 (at least on my machine). */
1832 SendToICSDelayed(s,msdelay)
1836 int count, outCount, outError;
1838 if (icsPR == NULL) return;
1841 if (appData.debugMode) {
1842 fprintf(debugFP, ">ICS: ");
1843 show_bytes(debugFP, s, count);
1844 fprintf(debugFP, "\n");
1846 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1848 if (outCount < count) {
1849 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1854 /* Remove all highlighting escape sequences in s
1855 Also deletes any suffix starting with '('
1858 StripHighlightAndTitle(s)
1861 static char retbuf[MSG_SIZ];
1864 while (*s != NULLCHAR) {
1865 while (*s == '\033') {
1866 while (*s != NULLCHAR && !isalpha(*s)) s++;
1867 if (*s != NULLCHAR) s++;
1869 while (*s != NULLCHAR && *s != '\033') {
1870 if (*s == '(' || *s == '[') {
1881 /* Remove all highlighting escape sequences in s */
1886 static char retbuf[MSG_SIZ];
1889 while (*s != NULLCHAR) {
1890 while (*s == '\033') {
1891 while (*s != NULLCHAR && !isalpha(*s)) s++;
1892 if (*s != NULLCHAR) s++;
1894 while (*s != NULLCHAR && *s != '\033') {
1902 char *variantNames[] = VARIANT_NAMES;
1907 return variantNames[v];
1911 /* Identify a variant from the strings the chess servers use or the
1912 PGN Variant tag names we use. */
1919 VariantClass v = VariantNormal;
1920 int i, found = FALSE;
1926 /* [HGM] skip over optional board-size prefixes */
1927 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1928 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1929 while( *e++ != '_');
1932 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1936 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1937 if (StrCaseStr(e, variantNames[i])) {
1938 v = (VariantClass) i;
1945 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1946 || StrCaseStr(e, "wild/fr")
1947 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1948 v = VariantFischeRandom;
1949 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1950 (i = 1, p = StrCaseStr(e, "w"))) {
1952 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1959 case 0: /* FICS only, actually */
1961 /* Castling legal even if K starts on d-file */
1962 v = VariantWildCastle;
1967 /* Castling illegal even if K & R happen to start in
1968 normal positions. */
1969 v = VariantNoCastle;
1982 /* Castling legal iff K & R start in normal positions */
1988 /* Special wilds for position setup; unclear what to do here */
1989 v = VariantLoadable;
1992 /* Bizarre ICC game */
1993 v = VariantTwoKings;
1996 v = VariantKriegspiel;
2002 v = VariantFischeRandom;
2005 v = VariantCrazyhouse;
2008 v = VariantBughouse;
2014 /* Not quite the same as FICS suicide! */
2015 v = VariantGiveaway;
2021 v = VariantShatranj;
2024 /* Temporary names for future ICC types. The name *will* change in
2025 the next xboard/WinBoard release after ICC defines it. */
2063 v = VariantCapablanca;
2066 v = VariantKnightmate;
2072 v = VariantCylinder;
2078 v = VariantCapaRandom;
2081 v = VariantBerolina;
2093 /* Found "wild" or "w" in the string but no number;
2094 must assume it's normal chess. */
2098 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2099 if( (len > MSG_SIZ) && appData.debugMode )
2100 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2102 DisplayError(buf, 0);
2108 if (appData.debugMode) {
2109 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2110 e, wnum, VariantName(v));
2115 static int leftover_start = 0, leftover_len = 0;
2116 char star_match[STAR_MATCH_N][MSG_SIZ];
2118 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2119 advance *index beyond it, and set leftover_start to the new value of
2120 *index; else return FALSE. If pattern contains the character '*', it
2121 matches any sequence of characters not containing '\r', '\n', or the
2122 character following the '*' (if any), and the matched sequence(s) are
2123 copied into star_match.
2126 looking_at(buf, index, pattern)
2131 char *bufp = &buf[*index], *patternp = pattern;
2133 char *matchp = star_match[0];
2136 if (*patternp == NULLCHAR) {
2137 *index = leftover_start = bufp - buf;
2141 if (*bufp == NULLCHAR) return FALSE;
2142 if (*patternp == '*') {
2143 if (*bufp == *(patternp + 1)) {
2145 matchp = star_match[++star_count];
2149 } else if (*bufp == '\n' || *bufp == '\r') {
2151 if (*patternp == NULLCHAR)
2156 *matchp++ = *bufp++;
2160 if (*patternp != *bufp) return FALSE;
2167 SendToPlayer(data, length)
2171 int error, outCount;
2172 outCount = OutputToProcess(NoProc, data, length, &error);
2173 if (outCount < length) {
2174 DisplayFatalError(_("Error writing to display"), error, 1);
2179 PackHolding(packed, holding)
2191 switch (runlength) {
2202 sprintf(q, "%d", runlength);
2214 /* Telnet protocol requests from the front end */
2216 TelnetRequest(ddww, option)
2217 unsigned char ddww, option;
2219 unsigned char msg[3];
2220 int outCount, outError;
2222 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2224 if (appData.debugMode) {
2225 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2241 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2250 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2253 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2258 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2260 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2267 if (!appData.icsActive) return;
2268 TelnetRequest(TN_DO, TN_ECHO);
2274 if (!appData.icsActive) return;
2275 TelnetRequest(TN_DONT, TN_ECHO);
2279 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2281 /* put the holdings sent to us by the server on the board holdings area */
2282 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2286 if(gameInfo.holdingsWidth < 2) return;
2287 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2288 return; // prevent overwriting by pre-board holdings
2290 if( (int)lowestPiece >= BlackPawn ) {
2293 holdingsStartRow = BOARD_HEIGHT-1;
2296 holdingsColumn = BOARD_WIDTH-1;
2297 countsColumn = BOARD_WIDTH-2;
2298 holdingsStartRow = 0;
2302 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2303 board[i][holdingsColumn] = EmptySquare;
2304 board[i][countsColumn] = (ChessSquare) 0;
2306 while( (p=*holdings++) != NULLCHAR ) {
2307 piece = CharToPiece( ToUpper(p) );
2308 if(piece == EmptySquare) continue;
2309 /*j = (int) piece - (int) WhitePawn;*/
2310 j = PieceToNumber(piece);
2311 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2312 if(j < 0) continue; /* should not happen */
2313 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2314 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2315 board[holdingsStartRow+j*direction][countsColumn]++;
2321 VariantSwitch(Board board, VariantClass newVariant)
2323 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2324 static Board oldBoard;
2326 startedFromPositionFile = FALSE;
2327 if(gameInfo.variant == newVariant) return;
2329 /* [HGM] This routine is called each time an assignment is made to
2330 * gameInfo.variant during a game, to make sure the board sizes
2331 * are set to match the new variant. If that means adding or deleting
2332 * holdings, we shift the playing board accordingly
2333 * This kludge is needed because in ICS observe mode, we get boards
2334 * of an ongoing game without knowing the variant, and learn about the
2335 * latter only later. This can be because of the move list we requested,
2336 * in which case the game history is refilled from the beginning anyway,
2337 * but also when receiving holdings of a crazyhouse game. In the latter
2338 * case we want to add those holdings to the already received position.
2342 if (appData.debugMode) {
2343 fprintf(debugFP, "Switch board from %s to %s\n",
2344 VariantName(gameInfo.variant), VariantName(newVariant));
2345 setbuf(debugFP, NULL);
2347 shuffleOpenings = 0; /* [HGM] shuffle */
2348 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2352 newWidth = 9; newHeight = 9;
2353 gameInfo.holdingsSize = 7;
2354 case VariantBughouse:
2355 case VariantCrazyhouse:
2356 newHoldingsWidth = 2; break;
2360 newHoldingsWidth = 2;
2361 gameInfo.holdingsSize = 8;
2364 case VariantCapablanca:
2365 case VariantCapaRandom:
2368 newHoldingsWidth = gameInfo.holdingsSize = 0;
2371 if(newWidth != gameInfo.boardWidth ||
2372 newHeight != gameInfo.boardHeight ||
2373 newHoldingsWidth != gameInfo.holdingsWidth ) {
2375 /* shift position to new playing area, if needed */
2376 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2377 for(i=0; i<BOARD_HEIGHT; i++)
2378 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2379 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2381 for(i=0; i<newHeight; i++) {
2382 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2383 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2385 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2386 for(i=0; i<BOARD_HEIGHT; i++)
2387 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2388 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2391 gameInfo.boardWidth = newWidth;
2392 gameInfo.boardHeight = newHeight;
2393 gameInfo.holdingsWidth = newHoldingsWidth;
2394 gameInfo.variant = newVariant;
2395 InitDrawingSizes(-2, 0);
2396 } else gameInfo.variant = newVariant;
2397 CopyBoard(oldBoard, board); // remember correctly formatted board
2398 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2399 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2402 static int loggedOn = FALSE;
2404 /*-- Game start info cache: --*/
2406 char gs_kind[MSG_SIZ];
2407 static char player1Name[128] = "";
2408 static char player2Name[128] = "";
2409 static char cont_seq[] = "\n\\ ";
2410 static int player1Rating = -1;
2411 static int player2Rating = -1;
2412 /*----------------------------*/
2414 ColorClass curColor = ColorNormal;
2415 int suppressKibitz = 0;
2418 Boolean soughtPending = FALSE;
2419 Boolean seekGraphUp;
2420 #define MAX_SEEK_ADS 200
2422 char *seekAdList[MAX_SEEK_ADS];
2423 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2424 float tcList[MAX_SEEK_ADS];
2425 char colorList[MAX_SEEK_ADS];
2426 int nrOfSeekAds = 0;
2427 int minRating = 1010, maxRating = 2800;
2428 int hMargin = 10, vMargin = 20, h, w;
2429 extern int squareSize, lineGap;
2434 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2435 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2436 if(r < minRating+100 && r >=0 ) r = minRating+100;
2437 if(r > maxRating) r = maxRating;
2438 if(tc < 1.) tc = 1.;
2439 if(tc > 95.) tc = 95.;
2440 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2441 y = ((double)r - minRating)/(maxRating - minRating)
2442 * (h-vMargin-squareSize/8-1) + vMargin;
2443 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2444 if(strstr(seekAdList[i], " u ")) color = 1;
2445 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2446 !strstr(seekAdList[i], "bullet") &&
2447 !strstr(seekAdList[i], "blitz") &&
2448 !strstr(seekAdList[i], "standard") ) color = 2;
2449 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2450 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2454 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2456 char buf[MSG_SIZ], *ext = "";
2457 VariantClass v = StringToVariant(type);
2458 if(strstr(type, "wild")) {
2459 ext = type + 4; // append wild number
2460 if(v == VariantFischeRandom) type = "chess960"; else
2461 if(v == VariantLoadable) type = "setup"; else
2462 type = VariantName(v);
2464 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2465 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2466 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2467 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2468 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2469 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2470 seekNrList[nrOfSeekAds] = nr;
2471 zList[nrOfSeekAds] = 0;
2472 seekAdList[nrOfSeekAds++] = StrSave(buf);
2473 if(plot) PlotSeekAd(nrOfSeekAds-1);
2480 int x = xList[i], y = yList[i], d=squareSize/4, k;
2481 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2482 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2483 // now replot every dot that overlapped
2484 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2485 int xx = xList[k], yy = yList[k];
2486 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2487 DrawSeekDot(xx, yy, colorList[k]);
2492 RemoveSeekAd(int nr)
2495 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2497 if(seekAdList[i]) free(seekAdList[i]);
2498 seekAdList[i] = seekAdList[--nrOfSeekAds];
2499 seekNrList[i] = seekNrList[nrOfSeekAds];
2500 ratingList[i] = ratingList[nrOfSeekAds];
2501 colorList[i] = colorList[nrOfSeekAds];
2502 tcList[i] = tcList[nrOfSeekAds];
2503 xList[i] = xList[nrOfSeekAds];
2504 yList[i] = yList[nrOfSeekAds];
2505 zList[i] = zList[nrOfSeekAds];
2506 seekAdList[nrOfSeekAds] = NULL;
2512 MatchSoughtLine(char *line)
2514 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2515 int nr, base, inc, u=0; char dummy;
2517 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2518 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2520 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2521 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2522 // match: compact and save the line
2523 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2533 if(!seekGraphUp) return FALSE;
2534 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2535 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2537 DrawSeekBackground(0, 0, w, h);
2538 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2539 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2540 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2541 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2543 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2546 snprintf(buf, MSG_SIZ, "%d", i);
2547 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2550 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2551 for(i=1; i<100; i+=(i<10?1:5)) {
2552 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2553 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2554 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2556 snprintf(buf, MSG_SIZ, "%d", i);
2557 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2560 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2564 int SeekGraphClick(ClickType click, int x, int y, int moving)
2566 static int lastDown = 0, displayed = 0, lastSecond;
2567 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2568 if(click == Release || moving) return FALSE;
2570 soughtPending = TRUE;
2571 SendToICS(ics_prefix);
2572 SendToICS("sought\n"); // should this be "sought all"?
2573 } else { // issue challenge based on clicked ad
2574 int dist = 10000; int i, closest = 0, second = 0;
2575 for(i=0; i<nrOfSeekAds; i++) {
2576 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2577 if(d < dist) { dist = d; closest = i; }
2578 second += (d - zList[i] < 120); // count in-range ads
2579 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2583 second = (second > 1);
2584 if(displayed != closest || second != lastSecond) {
2585 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2586 lastSecond = second; displayed = closest;
2588 if(click == Press) {
2589 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2592 } // on press 'hit', only show info
2593 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2594 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2595 SendToICS(ics_prefix);
2597 return TRUE; // let incoming board of started game pop down the graph
2598 } else if(click == Release) { // release 'miss' is ignored
2599 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2600 if(moving == 2) { // right up-click
2601 nrOfSeekAds = 0; // refresh graph
2602 soughtPending = TRUE;
2603 SendToICS(ics_prefix);
2604 SendToICS("sought\n"); // should this be "sought all"?
2607 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2608 // press miss or release hit 'pop down' seek graph
2609 seekGraphUp = FALSE;
2610 DrawPosition(TRUE, NULL);
2616 read_from_ics(isr, closure, data, count, error)
2623 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2624 #define STARTED_NONE 0
2625 #define STARTED_MOVES 1
2626 #define STARTED_BOARD 2
2627 #define STARTED_OBSERVE 3
2628 #define STARTED_HOLDINGS 4
2629 #define STARTED_CHATTER 5
2630 #define STARTED_COMMENT 6
2631 #define STARTED_MOVES_NOHIDE 7
2633 static int started = STARTED_NONE;
2634 static char parse[20000];
2635 static int parse_pos = 0;
2636 static char buf[BUF_SIZE + 1];
2637 static int firstTime = TRUE, intfSet = FALSE;
2638 static ColorClass prevColor = ColorNormal;
2639 static int savingComment = FALSE;
2640 static int cmatch = 0; // continuation sequence match
2647 int backup; /* [DM] For zippy color lines */
2649 char talker[MSG_SIZ]; // [HGM] chat
2652 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2654 if (appData.debugMode) {
2656 fprintf(debugFP, "<ICS: ");
2657 show_bytes(debugFP, data, count);
2658 fprintf(debugFP, "\n");
2662 if (appData.debugMode) { int f = forwardMostMove;
2663 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2664 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2665 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2668 /* If last read ended with a partial line that we couldn't parse,
2669 prepend it to the new read and try again. */
2670 if (leftover_len > 0) {
2671 for (i=0; i<leftover_len; i++)
2672 buf[i] = buf[leftover_start + i];
2675 /* copy new characters into the buffer */
2676 bp = buf + leftover_len;
2677 buf_len=leftover_len;
2678 for (i=0; i<count; i++)
2681 if (data[i] == '\r')
2684 // join lines split by ICS?
2685 if (!appData.noJoin)
2688 Joining just consists of finding matches against the
2689 continuation sequence, and discarding that sequence
2690 if found instead of copying it. So, until a match
2691 fails, there's nothing to do since it might be the
2692 complete sequence, and thus, something we don't want
2695 if (data[i] == cont_seq[cmatch])
2698 if (cmatch == strlen(cont_seq))
2700 cmatch = 0; // complete match. just reset the counter
2703 it's possible for the ICS to not include the space
2704 at the end of the last word, making our [correct]
2705 join operation fuse two separate words. the server
2706 does this when the space occurs at the width setting.
2708 if (!buf_len || buf[buf_len-1] != ' ')
2719 match failed, so we have to copy what matched before
2720 falling through and copying this character. In reality,
2721 this will only ever be just the newline character, but
2722 it doesn't hurt to be precise.
2724 strncpy(bp, cont_seq, cmatch);
2736 buf[buf_len] = NULLCHAR;
2737 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2742 while (i < buf_len) {
2743 /* Deal with part of the TELNET option negotiation
2744 protocol. We refuse to do anything beyond the
2745 defaults, except that we allow the WILL ECHO option,
2746 which ICS uses to turn off password echoing when we are
2747 directly connected to it. We reject this option
2748 if localLineEditing mode is on (always on in xboard)
2749 and we are talking to port 23, which might be a real
2750 telnet server that will try to keep WILL ECHO on permanently.
2752 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2753 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2754 unsigned char option;
2756 switch ((unsigned char) buf[++i]) {
2758 if (appData.debugMode)
2759 fprintf(debugFP, "\n<WILL ");
2760 switch (option = (unsigned char) buf[++i]) {
2762 if (appData.debugMode)
2763 fprintf(debugFP, "ECHO ");
2764 /* Reply only if this is a change, according
2765 to the protocol rules. */
2766 if (remoteEchoOption) break;
2767 if (appData.localLineEditing &&
2768 atoi(appData.icsPort) == TN_PORT) {
2769 TelnetRequest(TN_DONT, TN_ECHO);
2772 TelnetRequest(TN_DO, TN_ECHO);
2773 remoteEchoOption = TRUE;
2777 if (appData.debugMode)
2778 fprintf(debugFP, "%d ", option);
2779 /* Whatever this is, we don't want it. */
2780 TelnetRequest(TN_DONT, option);
2785 if (appData.debugMode)
2786 fprintf(debugFP, "\n<WONT ");
2787 switch (option = (unsigned char) buf[++i]) {
2789 if (appData.debugMode)
2790 fprintf(debugFP, "ECHO ");
2791 /* Reply only if this is a change, according
2792 to the protocol rules. */
2793 if (!remoteEchoOption) break;
2795 TelnetRequest(TN_DONT, TN_ECHO);
2796 remoteEchoOption = FALSE;
2799 if (appData.debugMode)
2800 fprintf(debugFP, "%d ", (unsigned char) option);
2801 /* Whatever this is, it must already be turned
2802 off, because we never agree to turn on
2803 anything non-default, so according to the
2804 protocol rules, we don't reply. */
2809 if (appData.debugMode)
2810 fprintf(debugFP, "\n<DO ");
2811 switch (option = (unsigned char) buf[++i]) {
2813 /* Whatever this is, we refuse to do it. */
2814 if (appData.debugMode)
2815 fprintf(debugFP, "%d ", option);
2816 TelnetRequest(TN_WONT, option);
2821 if (appData.debugMode)
2822 fprintf(debugFP, "\n<DONT ");
2823 switch (option = (unsigned char) buf[++i]) {
2825 if (appData.debugMode)
2826 fprintf(debugFP, "%d ", option);
2827 /* Whatever this is, we are already not doing
2828 it, because we never agree to do anything
2829 non-default, so according to the protocol
2830 rules, we don't reply. */
2835 if (appData.debugMode)
2836 fprintf(debugFP, "\n<IAC ");
2837 /* Doubled IAC; pass it through */
2841 if (appData.debugMode)
2842 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2843 /* Drop all other telnet commands on the floor */
2846 if (oldi > next_out)
2847 SendToPlayer(&buf[next_out], oldi - next_out);
2853 /* OK, this at least will *usually* work */
2854 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2858 if (loggedOn && !intfSet) {
2859 if (ics_type == ICS_ICC) {
2860 snprintf(str, MSG_SIZ,
2861 "/set-quietly interface %s\n/set-quietly style 12\n",
2863 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2864 strcat(str, "/set-2 51 1\n/set seek 1\n");
2865 } else if (ics_type == ICS_CHESSNET) {
2866 snprintf(str, MSG_SIZ, "/style 12\n");
2868 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2869 strcat(str, programVersion);
2870 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2871 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2872 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2874 strcat(str, "$iset nohighlight 1\n");
2876 strcat(str, "$iset lock 1\n$style 12\n");
2879 NotifyFrontendLogin();
2883 if (started == STARTED_COMMENT) {
2884 /* Accumulate characters in comment */
2885 parse[parse_pos++] = buf[i];
2886 if (buf[i] == '\n') {
2887 parse[parse_pos] = NULLCHAR;
2888 if(chattingPartner>=0) {
2890 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2891 OutputChatMessage(chattingPartner, mess);
2892 chattingPartner = -1;
2893 next_out = i+1; // [HGM] suppress printing in ICS window
2895 if(!suppressKibitz) // [HGM] kibitz
2896 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2897 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2898 int nrDigit = 0, nrAlph = 0, j;
2899 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2900 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2901 parse[parse_pos] = NULLCHAR;
2902 // try to be smart: if it does not look like search info, it should go to
2903 // ICS interaction window after all, not to engine-output window.
2904 for(j=0; j<parse_pos; j++) { // count letters and digits
2905 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2906 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2907 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2909 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2910 int depth=0; float score;
2911 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2912 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2913 pvInfoList[forwardMostMove-1].depth = depth;
2914 pvInfoList[forwardMostMove-1].score = 100*score;
2916 OutputKibitz(suppressKibitz, parse);
2919 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2920 SendToPlayer(tmp, strlen(tmp));
2922 next_out = i+1; // [HGM] suppress printing in ICS window
2924 started = STARTED_NONE;
2926 /* Don't match patterns against characters in comment */
2931 if (started == STARTED_CHATTER) {
2932 if (buf[i] != '\n') {
2933 /* Don't match patterns against characters in chatter */
2937 started = STARTED_NONE;
2938 if(suppressKibitz) next_out = i+1;
2941 /* Kludge to deal with rcmd protocol */
2942 if (firstTime && looking_at(buf, &i, "\001*")) {
2943 DisplayFatalError(&buf[1], 0, 1);
2949 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2952 if (appData.debugMode)
2953 fprintf(debugFP, "ics_type %d\n", ics_type);
2956 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2957 ics_type = ICS_FICS;
2959 if (appData.debugMode)
2960 fprintf(debugFP, "ics_type %d\n", ics_type);
2963 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2964 ics_type = ICS_CHESSNET;
2966 if (appData.debugMode)
2967 fprintf(debugFP, "ics_type %d\n", ics_type);
2972 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2973 looking_at(buf, &i, "Logging you in as \"*\"") ||
2974 looking_at(buf, &i, "will be \"*\""))) {
2975 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2979 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2981 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2982 DisplayIcsInteractionTitle(buf);
2983 have_set_title = TRUE;
2986 /* skip finger notes */
2987 if (started == STARTED_NONE &&
2988 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2989 (buf[i] == '1' && buf[i+1] == '0')) &&
2990 buf[i+2] == ':' && buf[i+3] == ' ') {
2991 started = STARTED_CHATTER;
2997 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2998 if(appData.seekGraph) {
2999 if(soughtPending && MatchSoughtLine(buf+i)) {
3000 i = strstr(buf+i, "rated") - buf;
3001 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3002 next_out = leftover_start = i;
3003 started = STARTED_CHATTER;
3004 suppressKibitz = TRUE;
3007 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3008 && looking_at(buf, &i, "* ads displayed")) {
3009 soughtPending = FALSE;
3014 if(appData.autoRefresh) {
3015 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3016 int s = (ics_type == ICS_ICC); // ICC format differs
3018 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3019 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3020 looking_at(buf, &i, "*% "); // eat prompt
3021 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3022 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3023 next_out = i; // suppress
3026 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3027 char *p = star_match[0];
3029 if(seekGraphUp) RemoveSeekAd(atoi(p));
3030 while(*p && *p++ != ' '); // next
3032 looking_at(buf, &i, "*% "); // eat prompt
3033 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3040 /* skip formula vars */
3041 if (started == STARTED_NONE &&
3042 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3043 started = STARTED_CHATTER;
3048 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3049 if (appData.autoKibitz && started == STARTED_NONE &&
3050 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3051 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3052 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3053 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3054 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3055 suppressKibitz = TRUE;
3056 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3058 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3059 && (gameMode == IcsPlayingWhite)) ||
3060 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3061 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3062 started = STARTED_CHATTER; // own kibitz we simply discard
3064 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3065 parse_pos = 0; parse[0] = NULLCHAR;
3066 savingComment = TRUE;
3067 suppressKibitz = gameMode != IcsObserving ? 2 :
3068 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3072 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3073 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3074 && atoi(star_match[0])) {
3075 // suppress the acknowledgements of our own autoKibitz
3077 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3078 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3079 SendToPlayer(star_match[0], strlen(star_match[0]));
3080 if(looking_at(buf, &i, "*% ")) // eat prompt
3081 suppressKibitz = FALSE;
3085 } // [HGM] kibitz: end of patch
3087 // [HGM] chat: intercept tells by users for which we have an open chat window
3089 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3090 looking_at(buf, &i, "* whispers:") ||
3091 looking_at(buf, &i, "* kibitzes:") ||
3092 looking_at(buf, &i, "* shouts:") ||
3093 looking_at(buf, &i, "* c-shouts:") ||
3094 looking_at(buf, &i, "--> * ") ||
3095 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3096 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3097 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3098 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3100 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3101 chattingPartner = -1;
3103 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3104 for(p=0; p<MAX_CHAT; p++) {
3105 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3106 talker[0] = '['; strcat(talker, "] ");
3107 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3108 chattingPartner = p; break;
3111 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3112 for(p=0; p<MAX_CHAT; p++) {
3113 if(!strcmp("kibitzes", chatPartner[p])) {
3114 talker[0] = '['; strcat(talker, "] ");
3115 chattingPartner = p; break;
3118 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3119 for(p=0; p<MAX_CHAT; p++) {
3120 if(!strcmp("whispers", chatPartner[p])) {
3121 talker[0] = '['; strcat(talker, "] ");
3122 chattingPartner = p; break;
3125 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3126 if(buf[i-8] == '-' && buf[i-3] == 't')
3127 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3128 if(!strcmp("c-shouts", chatPartner[p])) {
3129 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3130 chattingPartner = p; break;
3133 if(chattingPartner < 0)
3134 for(p=0; p<MAX_CHAT; p++) {
3135 if(!strcmp("shouts", chatPartner[p])) {
3136 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3137 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3138 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3139 chattingPartner = p; break;
3143 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3144 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3145 talker[0] = 0; Colorize(ColorTell, FALSE);
3146 chattingPartner = p; break;
3148 if(chattingPartner<0) i = oldi; else {
3149 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3150 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3151 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3152 started = STARTED_COMMENT;
3153 parse_pos = 0; parse[0] = NULLCHAR;
3154 savingComment = 3 + chattingPartner; // counts as TRUE
3155 suppressKibitz = TRUE;
3158 } // [HGM] chat: end of patch
3161 if (appData.zippyTalk || appData.zippyPlay) {
3162 /* [DM] Backup address for color zippy lines */
3164 if (loggedOn == TRUE)
3165 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3166 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3168 } // [DM] 'else { ' deleted
3170 /* Regular tells and says */
3171 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3172 looking_at(buf, &i, "* (your partner) tells you: ") ||
3173 looking_at(buf, &i, "* says: ") ||
3174 /* Don't color "message" or "messages" output */
3175 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3176 looking_at(buf, &i, "*. * at *:*: ") ||
3177 looking_at(buf, &i, "--* (*:*): ") ||
3178 /* Message notifications (same color as tells) */
3179 looking_at(buf, &i, "* has left a message ") ||
3180 looking_at(buf, &i, "* just sent you a message:\n") ||
3181 /* Whispers and kibitzes */
3182 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3183 looking_at(buf, &i, "* kibitzes: ") ||
3185 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3187 if (tkind == 1 && strchr(star_match[0], ':')) {
3188 /* Avoid "tells you:" spoofs in channels */
3191 if (star_match[0][0] == NULLCHAR ||
3192 strchr(star_match[0], ' ') ||
3193 (tkind == 3 && strchr(star_match[1], ' '))) {
3194 /* Reject bogus matches */
3197 if (appData.colorize) {
3198 if (oldi > next_out) {
3199 SendToPlayer(&buf[next_out], oldi - next_out);
3204 Colorize(ColorTell, FALSE);
3205 curColor = ColorTell;
3208 Colorize(ColorKibitz, FALSE);
3209 curColor = ColorKibitz;
3212 p = strrchr(star_match[1], '(');
3219 Colorize(ColorChannel1, FALSE);
3220 curColor = ColorChannel1;
3222 Colorize(ColorChannel, FALSE);
3223 curColor = ColorChannel;
3227 curColor = ColorNormal;
3231 if (started == STARTED_NONE && appData.autoComment &&
3232 (gameMode == IcsObserving ||
3233 gameMode == IcsPlayingWhite ||
3234 gameMode == IcsPlayingBlack)) {
3235 parse_pos = i - oldi;
3236 memcpy(parse, &buf[oldi], parse_pos);
3237 parse[parse_pos] = NULLCHAR;
3238 started = STARTED_COMMENT;
3239 savingComment = TRUE;
3241 started = STARTED_CHATTER;
3242 savingComment = FALSE;
3249 if (looking_at(buf, &i, "* s-shouts: ") ||
3250 looking_at(buf, &i, "* c-shouts: ")) {
3251 if (appData.colorize) {
3252 if (oldi > next_out) {
3253 SendToPlayer(&buf[next_out], oldi - next_out);
3256 Colorize(ColorSShout, FALSE);
3257 curColor = ColorSShout;
3260 started = STARTED_CHATTER;
3264 if (looking_at(buf, &i, "--->")) {
3269 if (looking_at(buf, &i, "* shouts: ") ||
3270 looking_at(buf, &i, "--> ")) {
3271 if (appData.colorize) {
3272 if (oldi > next_out) {
3273 SendToPlayer(&buf[next_out], oldi - next_out);
3276 Colorize(ColorShout, FALSE);
3277 curColor = ColorShout;
3280 started = STARTED_CHATTER;
3284 if (looking_at( buf, &i, "Challenge:")) {
3285 if (appData.colorize) {
3286 if (oldi > next_out) {
3287 SendToPlayer(&buf[next_out], oldi - next_out);
3290 Colorize(ColorChallenge, FALSE);
3291 curColor = ColorChallenge;
3297 if (looking_at(buf, &i, "* offers you") ||
3298 looking_at(buf, &i, "* offers to be") ||
3299 looking_at(buf, &i, "* would like to") ||
3300 looking_at(buf, &i, "* requests to") ||
3301 looking_at(buf, &i, "Your opponent offers") ||
3302 looking_at(buf, &i, "Your opponent requests")) {
3304 if (appData.colorize) {
3305 if (oldi > next_out) {
3306 SendToPlayer(&buf[next_out], oldi - next_out);
3309 Colorize(ColorRequest, FALSE);
3310 curColor = ColorRequest;
3315 if (looking_at(buf, &i, "* (*) seeking")) {
3316 if (appData.colorize) {
3317 if (oldi > next_out) {
3318 SendToPlayer(&buf[next_out], oldi - next_out);
3321 Colorize(ColorSeek, FALSE);
3322 curColor = ColorSeek;
3327 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3329 if (looking_at(buf, &i, "\\ ")) {
3330 if (prevColor != ColorNormal) {
3331 if (oldi > next_out) {
3332 SendToPlayer(&buf[next_out], oldi - next_out);
3335 Colorize(prevColor, TRUE);
3336 curColor = prevColor;
3338 if (savingComment) {
3339 parse_pos = i - oldi;
3340 memcpy(parse, &buf[oldi], parse_pos);
3341 parse[parse_pos] = NULLCHAR;
3342 started = STARTED_COMMENT;
3343 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3344 chattingPartner = savingComment - 3; // kludge to remember the box
3346 started = STARTED_CHATTER;
3351 if (looking_at(buf, &i, "Black Strength :") ||
3352 looking_at(buf, &i, "<<< style 10 board >>>") ||
3353 looking_at(buf, &i, "<10>") ||
3354 looking_at(buf, &i, "#@#")) {
3355 /* Wrong board style */
3357 SendToICS(ics_prefix);
3358 SendToICS("set style 12\n");
3359 SendToICS(ics_prefix);
3360 SendToICS("refresh\n");
3364 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3366 have_sent_ICS_logon = 1;
3370 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3371 (looking_at(buf, &i, "\n<12> ") ||
3372 looking_at(buf, &i, "<12> "))) {
3374 if (oldi > next_out) {
3375 SendToPlayer(&buf[next_out], oldi - next_out);
3378 started = STARTED_BOARD;
3383 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3384 looking_at(buf, &i, "<b1> ")) {
3385 if (oldi > next_out) {
3386 SendToPlayer(&buf[next_out], oldi - next_out);
3389 started = STARTED_HOLDINGS;
3394 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3396 /* Header for a move list -- first line */
3398 switch (ics_getting_history) {
3402 case BeginningOfGame:
3403 /* User typed "moves" or "oldmoves" while we
3404 were idle. Pretend we asked for these
3405 moves and soak them up so user can step
3406 through them and/or save them.
3409 gameMode = IcsObserving;
3412 ics_getting_history = H_GOT_UNREQ_HEADER;
3414 case EditGame: /*?*/
3415 case EditPosition: /*?*/
3416 /* Should above feature work in these modes too? */
3417 /* For now it doesn't */
3418 ics_getting_history = H_GOT_UNWANTED_HEADER;
3421 ics_getting_history = H_GOT_UNWANTED_HEADER;
3426 /* Is this the right one? */
3427 if (gameInfo.white && gameInfo.black &&
3428 strcmp(gameInfo.white, star_match[0]) == 0 &&
3429 strcmp(gameInfo.black, star_match[2]) == 0) {
3431 ics_getting_history = H_GOT_REQ_HEADER;
3434 case H_GOT_REQ_HEADER:
3435 case H_GOT_UNREQ_HEADER:
3436 case H_GOT_UNWANTED_HEADER:
3437 case H_GETTING_MOVES:
3438 /* Should not happen */
3439 DisplayError(_("Error gathering move list: two headers"), 0);
3440 ics_getting_history = H_FALSE;
3444 /* Save player ratings into gameInfo if needed */
3445 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3446 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3447 (gameInfo.whiteRating == -1 ||
3448 gameInfo.blackRating == -1)) {
3450 gameInfo.whiteRating = string_to_rating(star_match[1]);
3451 gameInfo.blackRating = string_to_rating(star_match[3]);
3452 if (appData.debugMode)
3453 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3454 gameInfo.whiteRating, gameInfo.blackRating);
3459 if (looking_at(buf, &i,
3460 "* * match, initial time: * minute*, increment: * second")) {
3461 /* Header for a move list -- second line */
3462 /* Initial board will follow if this is a wild game */
3463 if (gameInfo.event != NULL) free(gameInfo.event);
3464 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3465 gameInfo.event = StrSave(str);
3466 /* [HGM] we switched variant. Translate boards if needed. */
3467 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3471 if (looking_at(buf, &i, "Move ")) {
3472 /* Beginning of a move list */
3473 switch (ics_getting_history) {
3475 /* Normally should not happen */
3476 /* Maybe user hit reset while we were parsing */
3479 /* Happens if we are ignoring a move list that is not
3480 * the one we just requested. Common if the user
3481 * tries to observe two games without turning off
3484 case H_GETTING_MOVES:
3485 /* Should not happen */
3486 DisplayError(_("Error gathering move list: nested"), 0);
3487 ics_getting_history = H_FALSE;
3489 case H_GOT_REQ_HEADER:
3490 ics_getting_history = H_GETTING_MOVES;
3491 started = STARTED_MOVES;
3493 if (oldi > next_out) {
3494 SendToPlayer(&buf[next_out], oldi - next_out);
3497 case H_GOT_UNREQ_HEADER:
3498 ics_getting_history = H_GETTING_MOVES;
3499 started = STARTED_MOVES_NOHIDE;
3502 case H_GOT_UNWANTED_HEADER:
3503 ics_getting_history = H_FALSE;
3509 if (looking_at(buf, &i, "% ") ||
3510 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3511 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3512 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3513 soughtPending = FALSE;
3517 if(suppressKibitz) next_out = i;
3518 savingComment = FALSE;
3522 case STARTED_MOVES_NOHIDE:
3523 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3524 parse[parse_pos + i - oldi] = NULLCHAR;
3525 ParseGameHistory(parse);
3527 if (appData.zippyPlay && first.initDone) {
3528 FeedMovesToProgram(&first, forwardMostMove);
3529 if (gameMode == IcsPlayingWhite) {
3530 if (WhiteOnMove(forwardMostMove)) {
3531 if (first.sendTime) {
3532 if (first.useColors) {
3533 SendToProgram("black\n", &first);
3535 SendTimeRemaining(&first, TRUE);
3537 if (first.useColors) {
3538 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3540 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3541 first.maybeThinking = TRUE;
3543 if (first.usePlayother) {
3544 if (first.sendTime) {
3545 SendTimeRemaining(&first, TRUE);
3547 SendToProgram("playother\n", &first);
3553 } else if (gameMode == IcsPlayingBlack) {
3554 if (!WhiteOnMove(forwardMostMove)) {
3555 if (first.sendTime) {
3556 if (first.useColors) {
3557 SendToProgram("white\n", &first);
3559 SendTimeRemaining(&first, FALSE);
3561 if (first.useColors) {
3562 SendToProgram("black\n", &first);
3564 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3565 first.maybeThinking = TRUE;
3567 if (first.usePlayother) {
3568 if (first.sendTime) {
3569 SendTimeRemaining(&first, FALSE);
3571 SendToProgram("playother\n", &first);
3580 if (gameMode == IcsObserving && ics_gamenum == -1) {
3581 /* Moves came from oldmoves or moves command
3582 while we weren't doing anything else.
3584 currentMove = forwardMostMove;
3585 ClearHighlights();/*!!could figure this out*/
3586 flipView = appData.flipView;
3587 DrawPosition(TRUE, boards[currentMove]);
3588 DisplayBothClocks();
3589 snprintf(str, MSG_SIZ, "%s vs. %s",
3590 gameInfo.white, gameInfo.black);
3594 /* Moves were history of an active game */
3595 if (gameInfo.resultDetails != NULL) {
3596 free(gameInfo.resultDetails);
3597 gameInfo.resultDetails = NULL;
3600 HistorySet(parseList, backwardMostMove,
3601 forwardMostMove, currentMove-1);
3602 DisplayMove(currentMove - 1);
3603 if (started == STARTED_MOVES) next_out = i;
3604 started = STARTED_NONE;
3605 ics_getting_history = H_FALSE;
3608 case STARTED_OBSERVE:
3609 started = STARTED_NONE;
3610 SendToICS(ics_prefix);
3611 SendToICS("refresh\n");
3617 if(bookHit) { // [HGM] book: simulate book reply
3618 static char bookMove[MSG_SIZ]; // a bit generous?
3620 programStats.nodes = programStats.depth = programStats.time =
3621 programStats.score = programStats.got_only_move = 0;
3622 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3624 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3625 strcat(bookMove, bookHit);
3626 HandleMachineMove(bookMove, &first);
3631 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3632 started == STARTED_HOLDINGS ||
3633 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3634 /* Accumulate characters in move list or board */
3635 parse[parse_pos++] = buf[i];
3638 /* Start of game messages. Mostly we detect start of game
3639 when the first board image arrives. On some versions
3640 of the ICS, though, we need to do a "refresh" after starting
3641 to observe in order to get the current board right away. */
3642 if (looking_at(buf, &i, "Adding game * to observation list")) {
3643 started = STARTED_OBSERVE;
3647 /* Handle auto-observe */
3648 if (appData.autoObserve &&
3649 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3650 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3652 /* Choose the player that was highlighted, if any. */
3653 if (star_match[0][0] == '\033' ||
3654 star_match[1][0] != '\033') {
3655 player = star_match[0];
3657 player = star_match[2];
3659 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3660 ics_prefix, StripHighlightAndTitle(player));
3663 /* Save ratings from notify string */
3664 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3665 player1Rating = string_to_rating(star_match[1]);
3666 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3667 player2Rating = string_to_rating(star_match[3]);
3669 if (appData.debugMode)
3671 "Ratings from 'Game notification:' %s %d, %s %d\n",
3672 player1Name, player1Rating,
3673 player2Name, player2Rating);
3678 /* Deal with automatic examine mode after a game,
3679 and with IcsObserving -> IcsExamining transition */
3680 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3681 looking_at(buf, &i, "has made you an examiner of game *")) {
3683 int gamenum = atoi(star_match[0]);
3684 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3685 gamenum == ics_gamenum) {
3686 /* We were already playing or observing this game;
3687 no need to refetch history */
3688 gameMode = IcsExamining;
3690 pauseExamForwardMostMove = forwardMostMove;
3691 } else if (currentMove < forwardMostMove) {
3692 ForwardInner(forwardMostMove);
3695 /* I don't think this case really can happen */
3696 SendToICS(ics_prefix);
3697 SendToICS("refresh\n");
3702 /* Error messages */
3703 // if (ics_user_moved) {
3704 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3705 if (looking_at(buf, &i, "Illegal move") ||
3706 looking_at(buf, &i, "Not a legal move") ||
3707 looking_at(buf, &i, "Your king is in check") ||
3708 looking_at(buf, &i, "It isn't your turn") ||
3709 looking_at(buf, &i, "It is not your move")) {
3711 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3712 currentMove = forwardMostMove-1;
3713 DisplayMove(currentMove - 1); /* before DMError */
3714 DrawPosition(FALSE, boards[currentMove]);
3715 SwitchClocks(forwardMostMove-1); // [HGM] race
3716 DisplayBothClocks();
3718 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3724 if (looking_at(buf, &i, "still have time") ||
3725 looking_at(buf, &i, "not out of time") ||
3726 looking_at(buf, &i, "either player is out of time") ||
3727 looking_at(buf, &i, "has timeseal; checking")) {
3728 /* We must have called his flag a little too soon */
3729 whiteFlag = blackFlag = FALSE;
3733 if (looking_at(buf, &i, "added * seconds to") ||
3734 looking_at(buf, &i, "seconds were added to")) {
3735 /* Update the clocks */
3736 SendToICS(ics_prefix);
3737 SendToICS("refresh\n");
3741 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3742 ics_clock_paused = TRUE;
3747 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3748 ics_clock_paused = FALSE;
3753 /* Grab player ratings from the Creating: message.
3754 Note we have to check for the special case when
3755 the ICS inserts things like [white] or [black]. */
3756 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3757 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3759 0 player 1 name (not necessarily white)
3761 2 empty, white, or black (IGNORED)
3762 3 player 2 name (not necessarily black)
3765 The names/ratings are sorted out when the game
3766 actually starts (below).
3768 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3769 player1Rating = string_to_rating(star_match[1]);
3770 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3771 player2Rating = string_to_rating(star_match[4]);
3773 if (appData.debugMode)
3775 "Ratings from 'Creating:' %s %d, %s %d\n",
3776 player1Name, player1Rating,
3777 player2Name, player2Rating);
3782 /* Improved generic start/end-of-game messages */
3783 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3784 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3785 /* If tkind == 0: */
3786 /* star_match[0] is the game number */
3787 /* [1] is the white player's name */
3788 /* [2] is the black player's name */
3789 /* For end-of-game: */
3790 /* [3] is the reason for the game end */
3791 /* [4] is a PGN end game-token, preceded by " " */
3792 /* For start-of-game: */
3793 /* [3] begins with "Creating" or "Continuing" */
3794 /* [4] is " *" or empty (don't care). */
3795 int gamenum = atoi(star_match[0]);
3796 char *whitename, *blackname, *why, *endtoken;
3797 ChessMove endtype = EndOfFile;
3800 whitename = star_match[1];
3801 blackname = star_match[2];
3802 why = star_match[3];
3803 endtoken = star_match[4];
3805 whitename = star_match[1];
3806 blackname = star_match[3];
3807 why = star_match[5];
3808 endtoken = star_match[6];
3811 /* Game start messages */
3812 if (strncmp(why, "Creating ", 9) == 0 ||
3813 strncmp(why, "Continuing ", 11) == 0) {
3814 gs_gamenum = gamenum;
3815 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3816 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3818 if (appData.zippyPlay) {
3819 ZippyGameStart(whitename, blackname);
3822 partnerBoardValid = FALSE; // [HGM] bughouse
3826 /* Game end messages */
3827 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3828 ics_gamenum != gamenum) {
3831 while (endtoken[0] == ' ') endtoken++;
3832 switch (endtoken[0]) {
3835 endtype = GameUnfinished;
3838 endtype = BlackWins;
3841 if (endtoken[1] == '/')
3842 endtype = GameIsDrawn;
3844 endtype = WhiteWins;
3847 GameEnds(endtype, why, GE_ICS);
3849 if (appData.zippyPlay && first.initDone) {
3850 ZippyGameEnd(endtype, why);
3851 if (first.pr == NULL) {
3852 /* Start the next process early so that we'll
3853 be ready for the next challenge */
3854 StartChessProgram(&first);
3856 /* Send "new" early, in case this command takes
3857 a long time to finish, so that we'll be ready
3858 for the next challenge. */
3859 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3863 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3867 if (looking_at(buf, &i, "Removing game * from observation") ||
3868 looking_at(buf, &i, "no longer observing game *") ||
3869 looking_at(buf, &i, "Game * (*) has no examiners")) {
3870 if (gameMode == IcsObserving &&
3871 atoi(star_match[0]) == ics_gamenum)
3873 /* icsEngineAnalyze */
3874 if (appData.icsEngineAnalyze) {
3881 ics_user_moved = FALSE;
3886 if (looking_at(buf, &i, "no longer examining game *")) {
3887 if (gameMode == IcsExamining &&
3888 atoi(star_match[0]) == ics_gamenum)
3892 ics_user_moved = FALSE;
3897 /* Advance leftover_start past any newlines we find,
3898 so only partial lines can get reparsed */
3899 if (looking_at(buf, &i, "\n")) {
3900 prevColor = curColor;
3901 if (curColor != ColorNormal) {
3902 if (oldi > next_out) {
3903 SendToPlayer(&buf[next_out], oldi - next_out);
3906 Colorize(ColorNormal, FALSE);
3907 curColor = ColorNormal;
3909 if (started == STARTED_BOARD) {
3910 started = STARTED_NONE;
3911 parse[parse_pos] = NULLCHAR;
3912 ParseBoard12(parse);
3915 /* Send premove here */
3916 if (appData.premove) {
3918 if (currentMove == 0 &&
3919 gameMode == IcsPlayingWhite &&
3920 appData.premoveWhite) {
3921 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3922 if (appData.debugMode)
3923 fprintf(debugFP, "Sending premove:\n");
3925 } else if (currentMove == 1 &&
3926 gameMode == IcsPlayingBlack &&
3927 appData.premoveBlack) {
3928 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3929 if (appData.debugMode)
3930 fprintf(debugFP, "Sending premove:\n");
3932 } else if (gotPremove) {
3934 ClearPremoveHighlights();
3935 if (appData.debugMode)
3936 fprintf(debugFP, "Sending premove:\n");
3937 UserMoveEvent(premoveFromX, premoveFromY,
3938 premoveToX, premoveToY,
3943 /* Usually suppress following prompt */
3944 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3945 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3946 if (looking_at(buf, &i, "*% ")) {
3947 savingComment = FALSE;
3952 } else if (started == STARTED_HOLDINGS) {
3954 char new_piece[MSG_SIZ];
3955 started = STARTED_NONE;
3956 parse[parse_pos] = NULLCHAR;
3957 if (appData.debugMode)
3958 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3959 parse, currentMove);
3960 if (sscanf(parse, " game %d", &gamenum) == 1) {
3961 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3962 if (gameInfo.variant == VariantNormal) {
3963 /* [HGM] We seem to switch variant during a game!
3964 * Presumably no holdings were displayed, so we have
3965 * to move the position two files to the right to
3966 * create room for them!
3968 VariantClass newVariant;
3969 switch(gameInfo.boardWidth) { // base guess on board width
3970 case 9: newVariant = VariantShogi; break;
3971 case 10: newVariant = VariantGreat; break;
3972 default: newVariant = VariantCrazyhouse; break;
3974 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3975 /* Get a move list just to see the header, which
3976 will tell us whether this is really bug or zh */
3977 if (ics_getting_history == H_FALSE) {
3978 ics_getting_history = H_REQUESTED;
3979 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3983 new_piece[0] = NULLCHAR;
3984 sscanf(parse, "game %d white [%s black [%s <- %s",
3985 &gamenum, white_holding, black_holding,
3987 white_holding[strlen(white_holding)-1] = NULLCHAR;
3988 black_holding[strlen(black_holding)-1] = NULLCHAR;
3989 /* [HGM] copy holdings to board holdings area */
3990 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3991 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3992 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3994 if (appData.zippyPlay && first.initDone) {
3995 ZippyHoldings(white_holding, black_holding,
3999 if (tinyLayout || smallLayout) {
4000 char wh[16], bh[16];
4001 PackHolding(wh, white_holding);
4002 PackHolding(bh, black_holding);
4003 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4004 gameInfo.white, gameInfo.black);
4006 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4007 gameInfo.white, white_holding,
4008 gameInfo.black, black_holding);
4010 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4011 DrawPosition(FALSE, boards[currentMove]);
4013 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4014 sscanf(parse, "game %d white [%s black [%s <- %s",
4015 &gamenum, white_holding, black_holding,
4017 white_holding[strlen(white_holding)-1] = NULLCHAR;
4018 black_holding[strlen(black_holding)-1] = NULLCHAR;
4019 /* [HGM] copy holdings to partner-board holdings area */
4020 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4021 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4022 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4023 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4024 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4027 /* Suppress following prompt */
4028 if (looking_at(buf, &i, "*% ")) {
4029 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4030 savingComment = FALSE;
4038 i++; /* skip unparsed character and loop back */
4041 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4042 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4043 // SendToPlayer(&buf[next_out], i - next_out);
4044 started != STARTED_HOLDINGS && leftover_start > next_out) {
4045 SendToPlayer(&buf[next_out], leftover_start - next_out);
4049 leftover_len = buf_len - leftover_start;
4050 /* if buffer ends with something we couldn't parse,
4051 reparse it after appending the next read */
4053 } else if (count == 0) {
4054 RemoveInputSource(isr);
4055 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4057 DisplayFatalError(_("Error reading from ICS"), error, 1);
4062 /* Board style 12 looks like this:
4064 <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
4066 * The "<12> " is stripped before it gets to this routine. The two
4067 * trailing 0's (flip state and clock ticking) are later addition, and
4068 * some chess servers may not have them, or may have only the first.
4069 * Additional trailing fields may be added in the future.
4072 #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"
4074 #define RELATION_OBSERVING_PLAYED 0
4075 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4076 #define RELATION_PLAYING_MYMOVE 1
4077 #define RELATION_PLAYING_NOTMYMOVE -1
4078 #define RELATION_EXAMINING 2
4079 #define RELATION_ISOLATED_BOARD -3
4080 #define RELATION_STARTING_POSITION -4 /* FICS only */
4083 ParseBoard12(string)
4086 GameMode newGameMode;
4087 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4088 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4089 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4090 char to_play, board_chars[200];
4091 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4092 char black[32], white[32];
4094 int prevMove = currentMove;
4097 int fromX, fromY, toX, toY;
4099 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4100 char *bookHit = NULL; // [HGM] book
4101 Boolean weird = FALSE, reqFlag = FALSE;
4103 fromX = fromY = toX = toY = -1;
4107 if (appData.debugMode)
4108 fprintf(debugFP, _("Parsing board: %s\n"), string);
4110 move_str[0] = NULLCHAR;
4111 elapsed_time[0] = NULLCHAR;
4112 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4114 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4115 if(string[i] == ' ') { ranks++; files = 0; }
4117 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4120 for(j = 0; j <i; j++) board_chars[j] = string[j];
4121 board_chars[i] = '\0';
4124 n = sscanf(string, PATTERN, &to_play, &double_push,
4125 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4126 &gamenum, white, black, &relation, &basetime, &increment,
4127 &white_stren, &black_stren, &white_time, &black_time,
4128 &moveNum, str, elapsed_time, move_str, &ics_flip,
4132 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4133 DisplayError(str, 0);
4137 /* Convert the move number to internal form */
4138 moveNum = (moveNum - 1) * 2;
4139 if (to_play == 'B') moveNum++;
4140 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4141 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4147 case RELATION_OBSERVING_PLAYED:
4148 case RELATION_OBSERVING_STATIC:
4149 if (gamenum == -1) {
4150 /* Old ICC buglet */
4151 relation = RELATION_OBSERVING_STATIC;
4153 newGameMode = IcsObserving;
4155 case RELATION_PLAYING_MYMOVE:
4156 case RELATION_PLAYING_NOTMYMOVE:
4158 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4159 IcsPlayingWhite : IcsPlayingBlack;
4161 case RELATION_EXAMINING:
4162 newGameMode = IcsExamining;
4164 case RELATION_ISOLATED_BOARD:
4166 /* Just display this board. If user was doing something else,
4167 we will forget about it until the next board comes. */
4168 newGameMode = IcsIdle;
4170 case RELATION_STARTING_POSITION:
4171 newGameMode = gameMode;
4175 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4176 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4177 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4179 for (k = 0; k < ranks; k++) {
4180 for (j = 0; j < files; j++)
4181 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4182 if(gameInfo.holdingsWidth > 1) {
4183 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4184 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4187 CopyBoard(partnerBoard, board);
4188 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4189 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4190 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4191 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4192 if(toSqr = strchr(str, '-')) {
4193 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4194 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4195 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4196 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4197 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4198 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4199 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4200 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4201 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4202 DisplayMessage(partnerStatus, "");
4203 partnerBoardValid = TRUE;
4207 /* Modify behavior for initial board display on move listing
4210 switch (ics_getting_history) {
4214 case H_GOT_REQ_HEADER:
4215 case H_GOT_UNREQ_HEADER:
4216 /* This is the initial position of the current game */
4217 gamenum = ics_gamenum;
4218 moveNum = 0; /* old ICS bug workaround */
4219 if (to_play == 'B') {
4220 startedFromSetupPosition = TRUE;
4221 blackPlaysFirst = TRUE;
4223 if (forwardMostMove == 0) forwardMostMove = 1;
4224 if (backwardMostMove == 0) backwardMostMove = 1;
4225 if (currentMove == 0) currentMove = 1;
4227 newGameMode = gameMode;
4228 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4230 case H_GOT_UNWANTED_HEADER:
4231 /* This is an initial board that we don't want */
4233 case H_GETTING_MOVES:
4234 /* Should not happen */
4235 DisplayError(_("Error gathering move list: extra board"), 0);
4236 ics_getting_history = H_FALSE;
4240 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4241 weird && (int)gameInfo.variant < (int)VariantShogi) {
4242 /* [HGM] We seem to have switched variant unexpectedly
4243 * Try to guess new variant from board size
4245 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4246 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4247 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4248 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4249 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4250 if(!weird) newVariant = VariantNormal;
4251 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4252 /* Get a move list just to see the header, which
4253 will tell us whether this is really bug or zh */
4254 if (ics_getting_history == H_FALSE) {
4255 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4256 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4261 /* Take action if this is the first board of a new game, or of a
4262 different game than is currently being displayed. */
4263 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4264 relation == RELATION_ISOLATED_BOARD) {
4266 /* Forget the old game and get the history (if any) of the new one */
4267 if (gameMode != BeginningOfGame) {
4271 if (appData.autoRaiseBoard) BoardToTop();
4273 if (gamenum == -1) {
4274 newGameMode = IcsIdle;
4275 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4276 appData.getMoveList && !reqFlag) {
4277 /* Need to get game history */
4278 ics_getting_history = H_REQUESTED;
4279 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4283 /* Initially flip the board to have black on the bottom if playing
4284 black or if the ICS flip flag is set, but let the user change
4285 it with the Flip View button. */
4286 flipView = appData.autoFlipView ?
4287 (newGameMode == IcsPlayingBlack) || ics_flip :
4290 /* Done with values from previous mode; copy in new ones */
4291 gameMode = newGameMode;
4293 ics_gamenum = gamenum;
4294 if (gamenum == gs_gamenum) {
4295 int klen = strlen(gs_kind);
4296 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4297 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4298 gameInfo.event = StrSave(str);
4300 gameInfo.event = StrSave("ICS game");
4302 gameInfo.site = StrSave(appData.icsHost);
4303 gameInfo.date = PGNDate();
4304 gameInfo.round = StrSave("-");
4305 gameInfo.white = StrSave(white);
4306 gameInfo.black = StrSave(black);
4307 timeControl = basetime * 60 * 1000;
4309 timeIncrement = increment * 1000;
4310 movesPerSession = 0;
4311 gameInfo.timeControl = TimeControlTagValue();
4312 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4313 if (appData.debugMode) {
4314 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4315 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4316 setbuf(debugFP, NULL);
4319 gameInfo.outOfBook = NULL;
4321 /* Do we have the ratings? */
4322 if (strcmp(player1Name, white) == 0 &&
4323 strcmp(player2Name, black) == 0) {
4324 if (appData.debugMode)
4325 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4326 player1Rating, player2Rating);
4327 gameInfo.whiteRating = player1Rating;
4328 gameInfo.blackRating = player2Rating;
4329 } else if (strcmp(player2Name, white) == 0 &&
4330 strcmp(player1Name, black) == 0) {
4331 if (appData.debugMode)
4332 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4333 player2Rating, player1Rating);
4334 gameInfo.whiteRating = player2Rating;
4335 gameInfo.blackRating = player1Rating;
4337 player1Name[0] = player2Name[0] = NULLCHAR;
4339 /* Silence shouts if requested */
4340 if (appData.quietPlay &&
4341 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4342 SendToICS(ics_prefix);
4343 SendToICS("set shout 0\n");
4347 /* Deal with midgame name changes */
4349 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4350 if (gameInfo.white) free(gameInfo.white);
4351 gameInfo.white = StrSave(white);
4353 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4354 if (gameInfo.black) free(gameInfo.black);
4355 gameInfo.black = StrSave(black);
4359 /* Throw away game result if anything actually changes in examine mode */
4360 if (gameMode == IcsExamining && !newGame) {
4361 gameInfo.result = GameUnfinished;
4362 if (gameInfo.resultDetails != NULL) {
4363 free(gameInfo.resultDetails);
4364 gameInfo.resultDetails = NULL;
4368 /* In pausing && IcsExamining mode, we ignore boards coming
4369 in if they are in a different variation than we are. */
4370 if (pauseExamInvalid) return;
4371 if (pausing && gameMode == IcsExamining) {
4372 if (moveNum <= pauseExamForwardMostMove) {
4373 pauseExamInvalid = TRUE;
4374 forwardMostMove = pauseExamForwardMostMove;
4379 if (appData.debugMode) {
4380 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4382 /* Parse the board */
4383 for (k = 0; k < ranks; k++) {
4384 for (j = 0; j < files; j++)
4385 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4386 if(gameInfo.holdingsWidth > 1) {
4387 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4388 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4391 CopyBoard(boards[moveNum], board);
4392 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4394 startedFromSetupPosition =
4395 !CompareBoards(board, initialPosition);
4396 if(startedFromSetupPosition)
4397 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4400 /* [HGM] Set castling rights. Take the outermost Rooks,
4401 to make it also work for FRC opening positions. Note that board12
4402 is really defective for later FRC positions, as it has no way to
4403 indicate which Rook can castle if they are on the same side of King.
4404 For the initial position we grant rights to the outermost Rooks,
4405 and remember thos rights, and we then copy them on positions
4406 later in an FRC game. This means WB might not recognize castlings with
4407 Rooks that have moved back to their original position as illegal,
4408 but in ICS mode that is not its job anyway.
4410 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4411 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4413 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4414 if(board[0][i] == WhiteRook) j = i;
4415 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4416 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4417 if(board[0][i] == WhiteRook) j = i;
4418 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4419 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4420 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4421 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4422 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4423 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4424 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4426 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4427 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4428 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4429 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4430 if(board[BOARD_HEIGHT-1][k] == bKing)
4431 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4432 if(gameInfo.variant == VariantTwoKings) {
4433 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4434 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4435 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4438 r = boards[moveNum][CASTLING][0] = initialRights[0];
4439 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4440 r = boards[moveNum][CASTLING][1] = initialRights[1];
4441 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4442 r = boards[moveNum][CASTLING][3] = initialRights[3];
4443 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4444 r = boards[moveNum][CASTLING][4] = initialRights[4];
4445 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4446 /* wildcastle kludge: always assume King has rights */
4447 r = boards[moveNum][CASTLING][2] = initialRights[2];
4448 r = boards[moveNum][CASTLING][5] = initialRights[5];
4450 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4451 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4454 if (ics_getting_history == H_GOT_REQ_HEADER ||
4455 ics_getting_history == H_GOT_UNREQ_HEADER) {
4456 /* This was an initial position from a move list, not
4457 the current position */
4461 /* Update currentMove and known move number limits */
4462 newMove = newGame || moveNum > forwardMostMove;
4465 forwardMostMove = backwardMostMove = currentMove = moveNum;
4466 if (gameMode == IcsExamining && moveNum == 0) {
4467 /* Workaround for ICS limitation: we are not told the wild
4468 type when starting to examine a game. But if we ask for
4469 the move list, the move list header will tell us */
4470 ics_getting_history = H_REQUESTED;
4471 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4474 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4475 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4477 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4478 /* [HGM] applied this also to an engine that is silently watching */
4479 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4480 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4481 gameInfo.variant == currentlyInitializedVariant) {
4482 takeback = forwardMostMove - moveNum;
4483 for (i = 0; i < takeback; i++) {
4484 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4485 SendToProgram("undo\n", &first);
4490 forwardMostMove = moveNum;
4491 if (!pausing || currentMove > forwardMostMove)
4492 currentMove = forwardMostMove;
4494 /* New part of history that is not contiguous with old part */
4495 if (pausing && gameMode == IcsExamining) {
4496 pauseExamInvalid = TRUE;
4497 forwardMostMove = pauseExamForwardMostMove;
4500 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4502 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4503 // [HGM] when we will receive the move list we now request, it will be
4504 // fed to the engine from the first move on. So if the engine is not
4505 // in the initial position now, bring it there.
4506 InitChessProgram(&first, 0);
4509 ics_getting_history = H_REQUESTED;
4510 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4513 forwardMostMove = backwardMostMove = currentMove = moveNum;
4516 /* Update the clocks */
4517 if (strchr(elapsed_time, '.')) {
4519 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4520 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4522 /* Time is in seconds */
4523 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4524 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4529 if (appData.zippyPlay && newGame &&
4530 gameMode != IcsObserving && gameMode != IcsIdle &&
4531 gameMode != IcsExamining)
4532 ZippyFirstBoard(moveNum, basetime, increment);
4535 /* Put the move on the move list, first converting
4536 to canonical algebraic form. */
4538 if (appData.debugMode) {
4539 if (appData.debugMode) { int f = forwardMostMove;
4540 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4541 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4542 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4544 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4545 fprintf(debugFP, "moveNum = %d\n", moveNum);
4546 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4547 setbuf(debugFP, NULL);
4549 if (moveNum <= backwardMostMove) {
4550 /* We don't know what the board looked like before
4552 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4553 strcat(parseList[moveNum - 1], " ");
4554 strcat(parseList[moveNum - 1], elapsed_time);
4555 moveList[moveNum - 1][0] = NULLCHAR;
4556 } else if (strcmp(move_str, "none") == 0) {
4557 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4558 /* Again, we don't know what the board looked like;
4559 this is really the start of the game. */
4560 parseList[moveNum - 1][0] = NULLCHAR;
4561 moveList[moveNum - 1][0] = NULLCHAR;
4562 backwardMostMove = moveNum;
4563 startedFromSetupPosition = TRUE;
4564 fromX = fromY = toX = toY = -1;
4566 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4567 // So we parse the long-algebraic move string in stead of the SAN move
4568 int valid; char buf[MSG_SIZ], *prom;
4570 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4571 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4572 // str looks something like "Q/a1-a2"; kill the slash
4574 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4575 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4576 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4577 strcat(buf, prom); // long move lacks promo specification!
4578 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4579 if(appData.debugMode)
4580 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4581 safeStrCpy(move_str, buf, MSG_SIZ);
4583 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4584 &fromX, &fromY, &toX, &toY, &promoChar)
4585 || ParseOneMove(buf, moveNum - 1, &moveType,
4586 &fromX, &fromY, &toX, &toY, &promoChar);
4587 // end of long SAN patch
4589 (void) CoordsToAlgebraic(boards[moveNum - 1],
4590 PosFlags(moveNum - 1),
4591 fromY, fromX, toY, toX, promoChar,
4592 parseList[moveNum-1]);
4593 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4599 if(gameInfo.variant != VariantShogi)
4600 strcat(parseList[moveNum - 1], "+");
4603 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4604 strcat(parseList[moveNum - 1], "#");
4607 strcat(parseList[moveNum - 1], " ");
4608 strcat(parseList[moveNum - 1], elapsed_time);
4609 /* currentMoveString is set as a side-effect of ParseOneMove */
4610 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4611 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4612 strcat(moveList[moveNum - 1], "\n");
4614 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper
4615 && gameInfo.variant != VariantGreat) // inherit info that ICS does not give from previous board
4616 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4617 ChessSquare old, new = boards[moveNum][k][j];
4618 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4619 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4620 if(old == new) continue;
4621 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4622 else if(new == WhiteWazir || new == BlackWazir) {
4623 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4624 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4625 else boards[moveNum][k][j] = old; // preserve type of Gold
4626 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4627 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4630 /* Move from ICS was illegal!? Punt. */
4631 if (appData.debugMode) {
4632 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4633 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4635 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4636 strcat(parseList[moveNum - 1], " ");
4637 strcat(parseList[moveNum - 1], elapsed_time);
4638 moveList[moveNum - 1][0] = NULLCHAR;
4639 fromX = fromY = toX = toY = -1;
4642 if (appData.debugMode) {
4643 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4644 setbuf(debugFP, NULL);
4648 /* Send move to chess program (BEFORE animating it). */
4649 if (appData.zippyPlay && !newGame && newMove &&
4650 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4652 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4653 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4654 if (moveList[moveNum - 1][0] == NULLCHAR) {
4655 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4657 DisplayError(str, 0);
4659 if (first.sendTime) {
4660 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4662 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4663 if (firstMove && !bookHit) {
4665 if (first.useColors) {
4666 SendToProgram(gameMode == IcsPlayingWhite ?
4668 "black\ngo\n", &first);
4670 SendToProgram("go\n", &first);
4672 first.maybeThinking = TRUE;
4675 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4676 if (moveList[moveNum - 1][0] == NULLCHAR) {
4677 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4678 DisplayError(str, 0);
4680 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4681 SendMoveToProgram(moveNum - 1, &first);
4688 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4689 /* If move comes from a remote source, animate it. If it
4690 isn't remote, it will have already been animated. */
4691 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4692 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4694 if (!pausing && appData.highlightLastMove) {
4695 SetHighlights(fromX, fromY, toX, toY);
4699 /* Start the clocks */
4700 whiteFlag = blackFlag = FALSE;
4701 appData.clockMode = !(basetime == 0 && increment == 0);
4703 ics_clock_paused = TRUE;
4705 } else if (ticking == 1) {
4706 ics_clock_paused = FALSE;
4708 if (gameMode == IcsIdle ||
4709 relation == RELATION_OBSERVING_STATIC ||
4710 relation == RELATION_EXAMINING ||
4712 DisplayBothClocks();
4716 /* Display opponents and material strengths */
4717 if (gameInfo.variant != VariantBughouse &&
4718 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4719 if (tinyLayout || smallLayout) {
4720 if(gameInfo.variant == VariantNormal)
4721 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4722 gameInfo.white, white_stren, gameInfo.black, black_stren,
4723 basetime, increment);
4725 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4726 gameInfo.white, white_stren, gameInfo.black, black_stren,
4727 basetime, increment, (int) gameInfo.variant);
4729 if(gameInfo.variant == VariantNormal)
4730 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4731 gameInfo.white, white_stren, gameInfo.black, black_stren,
4732 basetime, increment);
4734 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4735 gameInfo.white, white_stren, gameInfo.black, black_stren,
4736 basetime, increment, VariantName(gameInfo.variant));
4739 if (appData.debugMode) {
4740 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4745 /* Display the board */
4746 if (!pausing && !appData.noGUI) {
4748 if (appData.premove)
4750 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4751 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4752 ClearPremoveHighlights();
4754 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4755 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4756 DrawPosition(j, boards[currentMove]);
4758 DisplayMove(moveNum - 1);
4759 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4760 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4761 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4762 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4766 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4768 if(bookHit) { // [HGM] book: simulate book reply
4769 static char bookMove[MSG_SIZ]; // a bit generous?
4771 programStats.nodes = programStats.depth = programStats.time =
4772 programStats.score = programStats.got_only_move = 0;
4773 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4775 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4776 strcat(bookMove, bookHit);
4777 HandleMachineMove(bookMove, &first);
4786 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4787 ics_getting_history = H_REQUESTED;
4788 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4794 AnalysisPeriodicEvent(force)
4797 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4798 && !force) || !appData.periodicUpdates)
4801 /* Send . command to Crafty to collect stats */
4802 SendToProgram(".\n", &first);
4804 /* Don't send another until we get a response (this makes
4805 us stop sending to old Crafty's which don't understand
4806 the "." command (sending illegal cmds resets node count & time,
4807 which looks bad)) */
4808 programStats.ok_to_send = 0;
4811 void ics_update_width(new_width)
4814 ics_printf("set width %d\n", new_width);
4818 SendMoveToProgram(moveNum, cps)
4820 ChessProgramState *cps;
4824 if (cps->useUsermove) {
4825 SendToProgram("usermove ", cps);
4829 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4830 int len = space - parseList[moveNum];
4831 memcpy(buf, parseList[moveNum], len);
4833 buf[len] = NULLCHAR;
4835 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4837 SendToProgram(buf, cps);
4839 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4840 AlphaRank(moveList[moveNum], 4);
4841 SendToProgram(moveList[moveNum], cps);
4842 AlphaRank(moveList[moveNum], 4); // and back
4844 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4845 * the engine. It would be nice to have a better way to identify castle
4847 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4848 && cps->useOOCastle) {
4849 int fromX = moveList[moveNum][0] - AAA;
4850 int fromY = moveList[moveNum][1] - ONE;
4851 int toX = moveList[moveNum][2] - AAA;
4852 int toY = moveList[moveNum][3] - ONE;
4853 if((boards[moveNum][fromY][fromX] == WhiteKing
4854 && boards[moveNum][toY][toX] == WhiteRook)
4855 || (boards[moveNum][fromY][fromX] == BlackKing
4856 && boards[moveNum][toY][toX] == BlackRook)) {
4857 if(toX > fromX) SendToProgram("O-O\n", cps);
4858 else SendToProgram("O-O-O\n", cps);
4860 else SendToProgram(moveList[moveNum], cps);
4862 else SendToProgram(moveList[moveNum], cps);
4863 /* End of additions by Tord */
4866 /* [HGM] setting up the opening has brought engine in force mode! */
4867 /* Send 'go' if we are in a mode where machine should play. */
4868 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4869 (gameMode == TwoMachinesPlay ||
4871 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4873 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4874 SendToProgram("go\n", cps);
4875 if (appData.debugMode) {
4876 fprintf(debugFP, "(extra)\n");
4879 setboardSpoiledMachineBlack = 0;
4883 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4885 int fromX, fromY, toX, toY;
4888 char user_move[MSG_SIZ];
4892 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4893 (int)moveType, fromX, fromY, toX, toY);
4894 DisplayError(user_move + strlen("say "), 0);
4896 case WhiteKingSideCastle:
4897 case BlackKingSideCastle:
4898 case WhiteQueenSideCastleWild:
4899 case BlackQueenSideCastleWild:
4901 case WhiteHSideCastleFR:
4902 case BlackHSideCastleFR:
4904 snprintf(user_move, MSG_SIZ, "o-o\n");
4906 case WhiteQueenSideCastle:
4907 case BlackQueenSideCastle:
4908 case WhiteKingSideCastleWild:
4909 case BlackKingSideCastleWild:
4911 case WhiteASideCastleFR:
4912 case BlackASideCastleFR:
4914 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4916 case WhiteNonPromotion:
4917 case BlackNonPromotion:
4918 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4920 case WhitePromotion:
4921 case BlackPromotion:
4922 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4923 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4924 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4925 PieceToChar(WhiteFerz));
4926 else if(gameInfo.variant == VariantGreat)
4927 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4928 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4929 PieceToChar(WhiteMan));
4931 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4932 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4938 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4939 ToUpper(PieceToChar((ChessSquare) fromX)),
4940 AAA + toX, ONE + toY);
4942 case IllegalMove: /* could be a variant we don't quite understand */
4943 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4945 case WhiteCapturesEnPassant:
4946 case BlackCapturesEnPassant:
4947 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4948 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4951 SendToICS(user_move);
4952 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4953 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4958 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4959 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4960 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4961 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4962 DisplayError("You cannot do this while you are playing or observing", 0);
4965 if(gameMode != IcsExamining) { // is this ever not the case?
4966 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4968 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4969 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4970 } else { // on FICS we must first go to general examine mode
4971 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4973 if(gameInfo.variant != VariantNormal) {
4974 // try figure out wild number, as xboard names are not always valid on ICS
4975 for(i=1; i<=36; i++) {
4976 snprintf(buf, MSG_SIZ, "wild/%d", i);
4977 if(StringToVariant(buf) == gameInfo.variant) break;
4979 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4980 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4981 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4982 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4983 SendToICS(ics_prefix);
4985 if(startedFromSetupPosition || backwardMostMove != 0) {
4986 fen = PositionToFEN(backwardMostMove, NULL);
4987 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4988 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4990 } else { // FICS: everything has to set by separate bsetup commands
4991 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4992 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4994 if(!WhiteOnMove(backwardMostMove)) {
4995 SendToICS("bsetup tomove black\n");
4997 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4998 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5000 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5001 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5003 i = boards[backwardMostMove][EP_STATUS];
5004 if(i >= 0) { // set e.p.
5005 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5011 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5012 SendToICS("bsetup done\n"); // switch to normal examining.
5014 for(i = backwardMostMove; i<last; i++) {
5016 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5019 SendToICS(ics_prefix);
5020 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5024 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5029 if (rf == DROP_RANK) {
5030 sprintf(move, "%c@%c%c\n",
5031 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5033 if (promoChar == 'x' || promoChar == NULLCHAR) {
5034 sprintf(move, "%c%c%c%c\n",
5035 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5037 sprintf(move, "%c%c%c%c%c\n",
5038 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5044 ProcessICSInitScript(f)
5049 while (fgets(buf, MSG_SIZ, f)) {
5050 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5057 static int lastX, lastY, selectFlag, dragging;
5062 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5063 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5064 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5065 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5066 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5067 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5070 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5071 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5072 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5073 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5075 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5076 appData.testLegality && (promoSweep == king ||
5077 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5078 ChangeDragPiece(promoSweep);
5081 int PromoScroll(int x, int y)
5085 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5086 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5087 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5088 if(!step) return FALSE;
5089 lastX = x; lastY = y;
5090 if((promoSweep < BlackPawn) == flipView) step = -step;
5091 if(step > 0) selectFlag = 1;
5092 if(!selectFlag) Sweep(step);
5099 ChessSquare piece = boards[currentMove][toY][toX];
5102 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5103 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5104 if(!step) step = -1;
5105 } while(PieceToChar(pieceSweep) == '.');
5106 boards[currentMove][toY][toX] = pieceSweep;
5107 DrawPosition(FALSE, boards[currentMove]);
5108 boards[currentMove][toY][toX] = piece;
5110 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5112 AlphaRank(char *move, int n)
5114 // char *p = move, c; int x, y;
5116 if (appData.debugMode) {
5117 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5121 move[2]>='0' && move[2]<='9' &&
5122 move[3]>='a' && move[3]<='x' ) {
5124 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5125 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5127 if(move[0]>='0' && move[0]<='9' &&
5128 move[1]>='a' && move[1]<='x' &&
5129 move[2]>='0' && move[2]<='9' &&
5130 move[3]>='a' && move[3]<='x' ) {
5131 /* input move, Shogi -> normal */
5132 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5133 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5134 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5135 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5138 move[3]>='0' && move[3]<='9' &&
5139 move[2]>='a' && move[2]<='x' ) {
5141 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5142 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5145 move[0]>='a' && move[0]<='x' &&
5146 move[3]>='0' && move[3]<='9' &&
5147 move[2]>='a' && move[2]<='x' ) {
5148 /* output move, normal -> Shogi */
5149 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5150 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5151 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5152 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5153 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5155 if (appData.debugMode) {
5156 fprintf(debugFP, " out = '%s'\n", move);
5160 char yy_textstr[8000];
5162 /* Parser for moves from gnuchess, ICS, or user typein box */
5164 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5167 ChessMove *moveType;
5168 int *fromX, *fromY, *toX, *toY;
5171 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5173 switch (*moveType) {
5174 case WhitePromotion:
5175 case BlackPromotion:
5176 case WhiteNonPromotion:
5177 case BlackNonPromotion:
5179 case WhiteCapturesEnPassant:
5180 case BlackCapturesEnPassant:
5181 case WhiteKingSideCastle:
5182 case WhiteQueenSideCastle:
5183 case BlackKingSideCastle:
5184 case BlackQueenSideCastle:
5185 case WhiteKingSideCastleWild:
5186 case WhiteQueenSideCastleWild:
5187 case BlackKingSideCastleWild:
5188 case BlackQueenSideCastleWild:
5189 /* Code added by Tord: */
5190 case WhiteHSideCastleFR:
5191 case WhiteASideCastleFR:
5192 case BlackHSideCastleFR:
5193 case BlackASideCastleFR:
5194 /* End of code added by Tord */
5195 case IllegalMove: /* bug or odd chess variant */
5196 *fromX = currentMoveString[0] - AAA;
5197 *fromY = currentMoveString[1] - ONE;
5198 *toX = currentMoveString[2] - AAA;
5199 *toY = currentMoveString[3] - ONE;
5200 *promoChar = currentMoveString[4];
5201 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5202 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5203 if (appData.debugMode) {
5204 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5206 *fromX = *fromY = *toX = *toY = 0;
5209 if (appData.testLegality) {
5210 return (*moveType != IllegalMove);
5212 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5213 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5218 *fromX = *moveType == WhiteDrop ?
5219 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5220 (int) CharToPiece(ToLower(currentMoveString[0]));
5222 *toX = currentMoveString[2] - AAA;
5223 *toY = currentMoveString[3] - ONE;
5224 *promoChar = NULLCHAR;
5228 case ImpossibleMove:
5238 if (appData.debugMode) {
5239 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5242 *fromX = *fromY = *toX = *toY = 0;
5243 *promoChar = NULLCHAR;
5248 Boolean pushed = FALSE;
5251 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5252 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5253 int fromX, fromY, toX, toY; char promoChar;
5258 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5259 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5262 endPV = forwardMostMove;
5264 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5265 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5266 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5267 if(appData.debugMode){
5268 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);
5270 if(!valid && nr == 0 &&
5271 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5272 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5273 // Hande case where played move is different from leading PV move
5274 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5275 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5276 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5277 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5278 endPV += 2; // if position different, keep this
5279 moveList[endPV-1][0] = fromX + AAA;
5280 moveList[endPV-1][1] = fromY + ONE;
5281 moveList[endPV-1][2] = toX + AAA;
5282 moveList[endPV-1][3] = toY + ONE;
5283 parseList[endPV-1][0] = NULLCHAR;
5284 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5287 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5288 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5289 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5290 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5291 valid++; // allow comments in PV
5295 if(endPV+1 > framePtr) break; // no space, truncate
5298 CopyBoard(boards[endPV], boards[endPV-1]);
5299 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5300 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5301 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5302 CoordsToAlgebraic(boards[endPV - 1],
5303 PosFlags(endPV - 1),
5304 fromY, fromX, toY, toX, promoChar,
5305 parseList[endPV - 1]);
5307 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5308 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5309 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5310 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5311 DrawPosition(TRUE, boards[currentMove]);
5315 MultiPV(ChessProgramState *cps)
5316 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5318 for(i=0; i<cps->nrOptions; i++)
5319 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5325 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5327 int startPV, multi, lineStart, origIndex = index;
5328 char *p, buf2[MSG_SIZ];
5330 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5331 lastX = x; lastY = y;
5332 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5333 lineStart = startPV = index;
5334 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5335 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5337 do{ while(buf[index] && buf[index] != '\n') index++;
5338 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5340 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5341 int n = first.option[multi].value;
5342 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5343 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5344 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5345 first.option[multi].value = n;
5349 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5350 *start = startPV; *end = index-1;
5355 LoadPV(int x, int y)
5356 { // called on right mouse click to load PV
5357 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5358 lastX = x; lastY = y;
5359 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5366 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5367 if(endPV < 0) return;
5369 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5370 Boolean saveAnimate = appData.animate;
5372 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5373 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5374 } else storedGames--; // abandon shelved tail of original game
5377 forwardMostMove = currentMove;
5378 currentMove = oldFMM;
5379 appData.animate = FALSE;
5380 ToNrEvent(forwardMostMove);
5381 appData.animate = saveAnimate;
5383 currentMove = forwardMostMove;
5384 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5385 ClearPremoveHighlights();
5386 DrawPosition(TRUE, boards[currentMove]);
5390 MovePV(int x, int y, int h)
5391 { // step through PV based on mouse coordinates (called on mouse move)
5392 int margin = h>>3, step = 0;
5394 // we must somehow check if right button is still down (might be released off board!)
5395 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5396 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5397 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5399 lastX = x; lastY = y;
5401 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5402 if(endPV < 0) return;
5403 if(y < margin) step = 1; else
5404 if(y > h - margin) step = -1;
5405 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5406 currentMove += step;
5407 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5408 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5409 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5410 DrawPosition(FALSE, boards[currentMove]);
5414 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5415 // All positions will have equal probability, but the current method will not provide a unique
5416 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5422 int piecesLeft[(int)BlackPawn];
5423 int seed, nrOfShuffles;
5425 void GetPositionNumber()
5426 { // sets global variable seed
5429 seed = appData.defaultFrcPosition;
5430 if(seed < 0) { // randomize based on time for negative FRC position numbers
5431 for(i=0; i<50; i++) seed += random();
5432 seed = random() ^ random() >> 8 ^ random() << 8;
5433 if(seed<0) seed = -seed;
5437 int put(Board board, int pieceType, int rank, int n, int shade)
5438 // put the piece on the (n-1)-th empty squares of the given shade
5442 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5443 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5444 board[rank][i] = (ChessSquare) pieceType;
5445 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5447 piecesLeft[pieceType]--;
5455 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5456 // calculate where the next piece goes, (any empty square), and put it there
5460 i = seed % squaresLeft[shade];
5461 nrOfShuffles *= squaresLeft[shade];
5462 seed /= squaresLeft[shade];
5463 put(board, pieceType, rank, i, shade);
5466 void AddTwoPieces(Board board, int pieceType, int rank)
5467 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5469 int i, n=squaresLeft[ANY], j=n-1, k;
5471 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5472 i = seed % k; // pick one
5475 while(i >= j) i -= j--;
5476 j = n - 1 - j; i += j;
5477 put(board, pieceType, rank, j, ANY);
5478 put(board, pieceType, rank, i, ANY);
5481 void SetUpShuffle(Board board, int number)
5485 GetPositionNumber(); nrOfShuffles = 1;
5487 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5488 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5489 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5491 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5493 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5494 p = (int) board[0][i];
5495 if(p < (int) BlackPawn) piecesLeft[p] ++;
5496 board[0][i] = EmptySquare;
5499 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5500 // shuffles restricted to allow normal castling put KRR first
5501 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5502 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5503 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5504 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5505 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5506 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5507 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5508 put(board, WhiteRook, 0, 0, ANY);
5509 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5512 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5513 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5514 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5515 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5516 while(piecesLeft[p] >= 2) {
5517 AddOnePiece(board, p, 0, LITE);
5518 AddOnePiece(board, p, 0, DARK);
5520 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5523 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5524 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5525 // but we leave King and Rooks for last, to possibly obey FRC restriction
5526 if(p == (int)WhiteRook) continue;
5527 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5528 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5531 // now everything is placed, except perhaps King (Unicorn) and Rooks
5533 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5534 // Last King gets castling rights
5535 while(piecesLeft[(int)WhiteUnicorn]) {
5536 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5537 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5540 while(piecesLeft[(int)WhiteKing]) {
5541 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5542 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5547 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5548 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5551 // Only Rooks can be left; simply place them all
5552 while(piecesLeft[(int)WhiteRook]) {
5553 i = put(board, WhiteRook, 0, 0, ANY);
5554 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5557 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5559 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5562 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5563 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5566 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5569 int SetCharTable( char *table, const char * map )
5570 /* [HGM] moved here from winboard.c because of its general usefulness */
5571 /* Basically a safe strcpy that uses the last character as King */
5573 int result = FALSE; int NrPieces;
5575 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5576 && NrPieces >= 12 && !(NrPieces&1)) {
5577 int i; /* [HGM] Accept even length from 12 to 34 */
5579 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5580 for( i=0; i<NrPieces/2-1; i++ ) {
5582 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5584 table[(int) WhiteKing] = map[NrPieces/2-1];
5585 table[(int) BlackKing] = map[NrPieces-1];
5593 void Prelude(Board board)
5594 { // [HGM] superchess: random selection of exo-pieces
5595 int i, j, k; ChessSquare p;
5596 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5598 GetPositionNumber(); // use FRC position number
5600 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5601 SetCharTable(pieceToChar, appData.pieceToCharTable);
5602 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5603 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5606 j = seed%4; seed /= 4;
5607 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5608 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5609 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5610 j = seed%3 + (seed%3 >= j); seed /= 3;
5611 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5612 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5613 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5614 j = seed%3; seed /= 3;
5615 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5616 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5617 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5618 j = seed%2 + (seed%2 >= j); seed /= 2;
5619 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5620 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5621 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5622 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5623 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5624 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5625 put(board, exoPieces[0], 0, 0, ANY);
5626 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5630 InitPosition(redraw)
5633 ChessSquare (* pieces)[BOARD_FILES];
5634 int i, j, pawnRow, overrule,
5635 oldx = gameInfo.boardWidth,
5636 oldy = gameInfo.boardHeight,
5637 oldh = gameInfo.holdingsWidth;
5640 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5642 /* [AS] Initialize pv info list [HGM] and game status */
5644 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5645 pvInfoList[i].depth = 0;
5646 boards[i][EP_STATUS] = EP_NONE;
5647 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5650 initialRulePlies = 0; /* 50-move counter start */
5652 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5653 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5657 /* [HGM] logic here is completely changed. In stead of full positions */
5658 /* the initialized data only consist of the two backranks. The switch */
5659 /* selects which one we will use, which is than copied to the Board */
5660 /* initialPosition, which for the rest is initialized by Pawns and */
5661 /* empty squares. This initial position is then copied to boards[0], */
5662 /* possibly after shuffling, so that it remains available. */
5664 gameInfo.holdingsWidth = 0; /* default board sizes */
5665 gameInfo.boardWidth = 8;
5666 gameInfo.boardHeight = 8;
5667 gameInfo.holdingsSize = 0;
5668 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5669 for(i=0; i<BOARD_FILES-2; i++)
5670 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5671 initialPosition[EP_STATUS] = EP_NONE;
5672 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5673 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5674 SetCharTable(pieceNickName, appData.pieceNickNames);
5675 else SetCharTable(pieceNickName, "............");
5678 switch (gameInfo.variant) {
5679 case VariantFischeRandom:
5680 shuffleOpenings = TRUE;
5683 case VariantShatranj:
5684 pieces = ShatranjArray;
5685 nrCastlingRights = 0;
5686 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5689 pieces = makrukArray;
5690 nrCastlingRights = 0;
5691 startedFromSetupPosition = TRUE;
5692 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5694 case VariantTwoKings:
5695 pieces = twoKingsArray;
5697 case VariantCapaRandom:
5698 shuffleOpenings = TRUE;
5699 case VariantCapablanca:
5700 pieces = CapablancaArray;
5701 gameInfo.boardWidth = 10;
5702 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5705 pieces = GothicArray;
5706 gameInfo.boardWidth = 10;
5707 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5710 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5711 gameInfo.holdingsSize = 7;
5714 pieces = JanusArray;
5715 gameInfo.boardWidth = 10;
5716 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5717 nrCastlingRights = 6;
5718 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5719 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5720 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5721 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5722 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5723 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5726 pieces = FalconArray;
5727 gameInfo.boardWidth = 10;
5728 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5730 case VariantXiangqi:
5731 pieces = XiangqiArray;
5732 gameInfo.boardWidth = 9;
5733 gameInfo.boardHeight = 10;
5734 nrCastlingRights = 0;
5735 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5738 pieces = ShogiArray;
5739 gameInfo.boardWidth = 9;
5740 gameInfo.boardHeight = 9;
5741 gameInfo.holdingsSize = 7;
5742 nrCastlingRights = 0;
5743 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5745 case VariantCourier:
5746 pieces = CourierArray;
5747 gameInfo.boardWidth = 12;
5748 nrCastlingRights = 0;
5749 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5751 case VariantKnightmate:
5752 pieces = KnightmateArray;
5753 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5755 case VariantSpartan:
5756 pieces = SpartanArray;
5757 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5760 pieces = fairyArray;
5761 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5764 pieces = GreatArray;
5765 gameInfo.boardWidth = 10;
5766 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5767 gameInfo.holdingsSize = 8;
5771 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5772 gameInfo.holdingsSize = 8;
5773 startedFromSetupPosition = TRUE;
5775 case VariantCrazyhouse:
5776 case VariantBughouse:
5778 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5779 gameInfo.holdingsSize = 5;
5781 case VariantWildCastle:
5783 /* !!?shuffle with kings guaranteed to be on d or e file */
5784 shuffleOpenings = 1;
5786 case VariantNoCastle:
5788 nrCastlingRights = 0;
5789 /* !!?unconstrained back-rank shuffle */
5790 shuffleOpenings = 1;
5795 if(appData.NrFiles >= 0) {
5796 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5797 gameInfo.boardWidth = appData.NrFiles;
5799 if(appData.NrRanks >= 0) {
5800 gameInfo.boardHeight = appData.NrRanks;
5802 if(appData.holdingsSize >= 0) {
5803 i = appData.holdingsSize;
5804 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5805 gameInfo.holdingsSize = i;
5807 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5808 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5809 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5811 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5812 if(pawnRow < 1) pawnRow = 1;
5813 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5815 /* User pieceToChar list overrules defaults */
5816 if(appData.pieceToCharTable != NULL)
5817 SetCharTable(pieceToChar, appData.pieceToCharTable);
5819 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5821 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5822 s = (ChessSquare) 0; /* account holding counts in guard band */
5823 for( i=0; i<BOARD_HEIGHT; i++ )
5824 initialPosition[i][j] = s;
5826 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5827 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5828 initialPosition[pawnRow][j] = WhitePawn;
5829 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5830 if(gameInfo.variant == VariantXiangqi) {
5832 initialPosition[pawnRow][j] =
5833 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5834 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5835 initialPosition[2][j] = WhiteCannon;
5836 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5840 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5842 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5845 initialPosition[1][j] = WhiteBishop;
5846 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5848 initialPosition[1][j] = WhiteRook;
5849 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5852 if( nrCastlingRights == -1) {
5853 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5854 /* This sets default castling rights from none to normal corners */
5855 /* Variants with other castling rights must set them themselves above */
5856 nrCastlingRights = 6;
5858 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5859 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5860 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5861 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5862 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5863 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5866 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5867 if(gameInfo.variant == VariantGreat) { // promotion commoners
5868 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5869 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5870 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5871 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5873 if( gameInfo.variant == VariantSChess ) {
5874 initialPosition[1][0] = BlackMarshall;
5875 initialPosition[2][0] = BlackAngel;
5876 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5877 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5878 initialPosition[1][1] = initialPosition[2][1] =
5879 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5881 if (appData.debugMode) {
5882 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5884 if(shuffleOpenings) {
5885 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5886 startedFromSetupPosition = TRUE;
5888 if(startedFromPositionFile) {
5889 /* [HGM] loadPos: use PositionFile for every new game */
5890 CopyBoard(initialPosition, filePosition);
5891 for(i=0; i<nrCastlingRights; i++)
5892 initialRights[i] = filePosition[CASTLING][i];
5893 startedFromSetupPosition = TRUE;
5896 CopyBoard(boards[0], initialPosition);
5898 if(oldx != gameInfo.boardWidth ||
5899 oldy != gameInfo.boardHeight ||
5900 oldv != gameInfo.variant ||
5901 oldh != gameInfo.holdingsWidth
5903 InitDrawingSizes(-2 ,0);
5905 oldv = gameInfo.variant;
5907 DrawPosition(TRUE, boards[currentMove]);
5911 SendBoard(cps, moveNum)
5912 ChessProgramState *cps;
5915 char message[MSG_SIZ];
5917 if (cps->useSetboard) {
5918 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5919 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5920 SendToProgram(message, cps);
5926 /* Kludge to set black to move, avoiding the troublesome and now
5927 * deprecated "black" command.
5929 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5930 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5932 SendToProgram("edit\n", cps);
5933 SendToProgram("#\n", cps);
5934 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5935 bp = &boards[moveNum][i][BOARD_LEFT];
5936 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5937 if ((int) *bp < (int) BlackPawn) {
5938 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5940 if(message[0] == '+' || message[0] == '~') {
5941 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5942 PieceToChar((ChessSquare)(DEMOTED *bp)),
5945 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5946 message[1] = BOARD_RGHT - 1 - j + '1';
5947 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5949 SendToProgram(message, cps);
5954 SendToProgram("c\n", cps);
5955 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5956 bp = &boards[moveNum][i][BOARD_LEFT];
5957 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5958 if (((int) *bp != (int) EmptySquare)
5959 && ((int) *bp >= (int) BlackPawn)) {
5960 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5962 if(message[0] == '+' || message[0] == '~') {
5963 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5964 PieceToChar((ChessSquare)(DEMOTED *bp)),
5967 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5968 message[1] = BOARD_RGHT - 1 - j + '1';
5969 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5971 SendToProgram(message, cps);
5976 SendToProgram(".\n", cps);
5978 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5982 DefaultPromoChoice(int white)
5985 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5986 result = WhiteFerz; // no choice
5987 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
5988 result= WhiteKing; // in Suicide Q is the last thing we want
5989 else if(gameInfo.variant == VariantSpartan)
5990 result = white ? WhiteQueen : WhiteAngel;
5991 else result = WhiteQueen;
5992 if(!white) result = WHITE_TO_BLACK result;
5996 static int autoQueen; // [HGM] oneclick
5999 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
6001 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6002 /* [HGM] add Shogi promotions */
6003 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6008 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6009 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6011 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6012 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6015 piece = boards[currentMove][fromY][fromX];
6016 if(gameInfo.variant == VariantShogi) {
6017 promotionZoneSize = BOARD_HEIGHT/3;
6018 highestPromotingPiece = (int)WhiteFerz;
6019 } else if(gameInfo.variant == VariantMakruk) {
6020 promotionZoneSize = 3;
6023 // Treat Lance as Pawn when it is not representing Amazon
6024 if(gameInfo.variant != VariantSuper) {
6025 if(piece == WhiteLance) piece = WhitePawn; else
6026 if(piece == BlackLance) piece = BlackPawn;
6029 // next weed out all moves that do not touch the promotion zone at all
6030 if((int)piece >= BlackPawn) {
6031 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6033 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6035 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6036 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6039 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6041 // weed out mandatory Shogi promotions
6042 if(gameInfo.variant == VariantShogi) {
6043 if(piece >= BlackPawn) {
6044 if(toY == 0 && piece == BlackPawn ||
6045 toY == 0 && piece == BlackQueen ||
6046 toY <= 1 && piece == BlackKnight) {
6051 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6052 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6053 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6060 // weed out obviously illegal Pawn moves
6061 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6062 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6063 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6064 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6065 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6066 // note we are not allowed to test for valid (non-)capture, due to premove
6069 // we either have a choice what to promote to, or (in Shogi) whether to promote
6070 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6071 *promoChoice = PieceToChar(BlackFerz); // no choice
6074 // no sense asking what we must promote to if it is going to explode...
6075 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6076 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6079 // give caller the default choice even if we will not make it
6080 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6081 if(gameInfo.variant == VariantShogi) *promoChoice = '+';
6082 if(appData.sweepSelect && gameInfo.variant != VariantGreat
6083 && gameInfo.variant != VariantShogi
6084 && gameInfo.variant != VariantSuper) return FALSE;
6085 if(autoQueen) return FALSE; // predetermined
6087 // suppress promotion popup on illegal moves that are not premoves
6088 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6089 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6090 if(appData.testLegality && !premove) {
6091 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6092 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6093 if(moveType != WhitePromotion && moveType != BlackPromotion)
6101 InPalace(row, column)
6103 { /* [HGM] for Xiangqi */
6104 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6105 column < (BOARD_WIDTH + 4)/2 &&
6106 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6111 PieceForSquare (x, y)
6115 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6118 return boards[currentMove][y][x];
6122 OKToStartUserMove(x, y)
6125 ChessSquare from_piece;
6128 if (matchMode) return FALSE;
6129 if (gameMode == EditPosition) return TRUE;
6131 if (x >= 0 && y >= 0)
6132 from_piece = boards[currentMove][y][x];
6134 from_piece = EmptySquare;
6136 if (from_piece == EmptySquare) return FALSE;
6138 white_piece = (int)from_piece >= (int)WhitePawn &&
6139 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6142 case PlayFromGameFile:
6144 case TwoMachinesPlay:
6152 case MachinePlaysWhite:
6153 case IcsPlayingBlack:
6154 if (appData.zippyPlay) return FALSE;
6156 DisplayMoveError(_("You are playing Black"));
6161 case MachinePlaysBlack:
6162 case IcsPlayingWhite:
6163 if (appData.zippyPlay) return FALSE;
6165 DisplayMoveError(_("You are playing White"));
6171 if (!white_piece && WhiteOnMove(currentMove)) {
6172 DisplayMoveError(_("It is White's turn"));
6175 if (white_piece && !WhiteOnMove(currentMove)) {
6176 DisplayMoveError(_("It is Black's turn"));
6179 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6180 /* Editing correspondence game history */
6181 /* Could disallow this or prompt for confirmation */
6186 case BeginningOfGame:
6187 if (appData.icsActive) return FALSE;
6188 if (!appData.noChessProgram) {
6190 DisplayMoveError(_("You are playing White"));
6197 if (!white_piece && WhiteOnMove(currentMove)) {
6198 DisplayMoveError(_("It is White's turn"));
6201 if (white_piece && !WhiteOnMove(currentMove)) {
6202 DisplayMoveError(_("It is Black's turn"));
6211 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6212 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6213 && gameMode != AnalyzeFile && gameMode != Training) {
6214 DisplayMoveError(_("Displayed position is not current"));
6221 OnlyMove(int *x, int *y, Boolean captures) {
6222 DisambiguateClosure cl;
6223 if (appData.zippyPlay) return FALSE;
6225 case MachinePlaysBlack:
6226 case IcsPlayingWhite:
6227 case BeginningOfGame:
6228 if(!WhiteOnMove(currentMove)) return FALSE;
6230 case MachinePlaysWhite:
6231 case IcsPlayingBlack:
6232 if(WhiteOnMove(currentMove)) return FALSE;
6239 cl.pieceIn = EmptySquare;
6244 cl.promoCharIn = NULLCHAR;
6245 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6246 if( cl.kind == NormalMove ||
6247 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6248 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6249 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6256 if(cl.kind != ImpossibleMove) return FALSE;
6257 cl.pieceIn = EmptySquare;
6262 cl.promoCharIn = NULLCHAR;
6263 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6264 if( cl.kind == NormalMove ||
6265 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6266 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6267 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6272 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6278 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6279 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6280 int lastLoadGameUseList = FALSE;
6281 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6282 ChessMove lastLoadGameStart = EndOfFile;
6285 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6286 int fromX, fromY, toX, toY;
6290 ChessSquare pdown, pup;
6292 /* Check if the user is playing in turn. This is complicated because we
6293 let the user "pick up" a piece before it is his turn. So the piece he
6294 tried to pick up may have been captured by the time he puts it down!
6295 Therefore we use the color the user is supposed to be playing in this
6296 test, not the color of the piece that is currently on the starting
6297 square---except in EditGame mode, where the user is playing both
6298 sides; fortunately there the capture race can't happen. (It can
6299 now happen in IcsExamining mode, but that's just too bad. The user
6300 will get a somewhat confusing message in that case.)
6304 case PlayFromGameFile:
6306 case TwoMachinesPlay:
6310 /* We switched into a game mode where moves are not accepted,
6311 perhaps while the mouse button was down. */
6314 case MachinePlaysWhite:
6315 /* User is moving for Black */
6316 if (WhiteOnMove(currentMove)) {
6317 DisplayMoveError(_("It is White's turn"));
6322 case MachinePlaysBlack:
6323 /* User is moving for White */
6324 if (!WhiteOnMove(currentMove)) {
6325 DisplayMoveError(_("It is Black's turn"));
6332 case BeginningOfGame:
6335 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6336 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6337 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6338 /* User is moving for Black */
6339 if (WhiteOnMove(currentMove)) {
6340 DisplayMoveError(_("It is White's turn"));
6344 /* User is moving for White */
6345 if (!WhiteOnMove(currentMove)) {
6346 DisplayMoveError(_("It is Black's turn"));
6352 case IcsPlayingBlack:
6353 /* User is moving for Black */
6354 if (WhiteOnMove(currentMove)) {
6355 if (!appData.premove) {
6356 DisplayMoveError(_("It is White's turn"));
6357 } else if (toX >= 0 && toY >= 0) {
6360 premoveFromX = fromX;
6361 premoveFromY = fromY;
6362 premovePromoChar = promoChar;
6364 if (appData.debugMode)
6365 fprintf(debugFP, "Got premove: fromX %d,"
6366 "fromY %d, toX %d, toY %d\n",
6367 fromX, fromY, toX, toY);
6373 case IcsPlayingWhite:
6374 /* User is moving for White */
6375 if (!WhiteOnMove(currentMove)) {
6376 if (!appData.premove) {
6377 DisplayMoveError(_("It is Black's turn"));
6378 } else if (toX >= 0 && toY >= 0) {
6381 premoveFromX = fromX;
6382 premoveFromY = fromY;
6383 premovePromoChar = promoChar;
6385 if (appData.debugMode)
6386 fprintf(debugFP, "Got premove: fromX %d,"
6387 "fromY %d, toX %d, toY %d\n",
6388 fromX, fromY, toX, toY);
6398 /* EditPosition, empty square, or different color piece;
6399 click-click move is possible */
6400 if (toX == -2 || toY == -2) {
6401 boards[0][fromY][fromX] = EmptySquare;
6402 DrawPosition(FALSE, boards[currentMove]);
6404 } else if (toX >= 0 && toY >= 0) {
6405 boards[0][toY][toX] = boards[0][fromY][fromX];
6406 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6407 if(boards[0][fromY][0] != EmptySquare) {
6408 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6409 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6412 if(fromX == BOARD_RGHT+1) {
6413 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6414 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6415 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6418 boards[0][fromY][fromX] = EmptySquare;
6419 DrawPosition(FALSE, boards[currentMove]);
6425 if(toX < 0 || toY < 0) return;
6426 pdown = boards[currentMove][fromY][fromX];
6427 pup = boards[currentMove][toY][toX];
6429 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6430 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6431 if( pup != EmptySquare ) return;
6432 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6433 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6434 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6435 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6436 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6437 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6438 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6442 /* [HGM] always test for legality, to get promotion info */
6443 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6444 fromY, fromX, toY, toX, promoChar);
6445 /* [HGM] but possibly ignore an IllegalMove result */
6446 if (appData.testLegality) {
6447 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6448 DisplayMoveError(_("Illegal move"));
6453 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6456 /* Common tail of UserMoveEvent and DropMenuEvent */
6458 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6460 int fromX, fromY, toX, toY;
6461 /*char*/int promoChar;
6465 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6466 // [HGM] superchess: suppress promotions to non-available piece
6467 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6468 if(WhiteOnMove(currentMove)) {
6469 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6471 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6475 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6476 move type in caller when we know the move is a legal promotion */
6477 if(moveType == NormalMove && promoChar)
6478 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6480 /* [HGM] <popupFix> The following if has been moved here from
6481 UserMoveEvent(). Because it seemed to belong here (why not allow
6482 piece drops in training games?), and because it can only be
6483 performed after it is known to what we promote. */
6484 if (gameMode == Training) {
6485 /* compare the move played on the board to the next move in the
6486 * game. If they match, display the move and the opponent's response.
6487 * If they don't match, display an error message.
6491 CopyBoard(testBoard, boards[currentMove]);
6492 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6494 if (CompareBoards(testBoard, boards[currentMove+1])) {
6495 ForwardInner(currentMove+1);
6497 /* Autoplay the opponent's response.
6498 * if appData.animate was TRUE when Training mode was entered,
6499 * the response will be animated.
6501 saveAnimate = appData.animate;
6502 appData.animate = animateTraining;
6503 ForwardInner(currentMove+1);
6504 appData.animate = saveAnimate;
6506 /* check for the end of the game */
6507 if (currentMove >= forwardMostMove) {
6508 gameMode = PlayFromGameFile;
6510 SetTrainingModeOff();
6511 DisplayInformation(_("End of game"));
6514 DisplayError(_("Incorrect move"), 0);
6519 /* Ok, now we know that the move is good, so we can kill
6520 the previous line in Analysis Mode */
6521 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6522 && currentMove < forwardMostMove) {
6523 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6524 else forwardMostMove = currentMove;
6527 /* If we need the chess program but it's dead, restart it */
6528 ResurrectChessProgram();
6530 /* A user move restarts a paused game*/
6534 thinkOutput[0] = NULLCHAR;
6536 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6538 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6539 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6543 if (gameMode == BeginningOfGame) {
6544 if (appData.noChessProgram) {
6545 gameMode = EditGame;
6549 gameMode = MachinePlaysBlack;
6552 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6554 if (first.sendName) {
6555 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6556 SendToProgram(buf, &first);
6563 /* Relay move to ICS or chess engine */
6564 if (appData.icsActive) {
6565 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6566 gameMode == IcsExamining) {
6567 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6568 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6570 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6572 // also send plain move, in case ICS does not understand atomic claims
6573 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6577 if (first.sendTime && (gameMode == BeginningOfGame ||
6578 gameMode == MachinePlaysWhite ||
6579 gameMode == MachinePlaysBlack)) {
6580 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6582 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6583 // [HGM] book: if program might be playing, let it use book
6584 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6585 first.maybeThinking = TRUE;
6586 } else SendMoveToProgram(forwardMostMove-1, &first);
6587 if (currentMove == cmailOldMove + 1) {
6588 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6592 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6596 if(appData.testLegality)
6597 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6603 if (WhiteOnMove(currentMove)) {
6604 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6606 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6610 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6615 case MachinePlaysBlack:
6616 case MachinePlaysWhite:
6617 /* disable certain menu options while machine is thinking */
6618 SetMachineThinkingEnables();
6625 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6626 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6628 if(bookHit) { // [HGM] book: simulate book reply
6629 static char bookMove[MSG_SIZ]; // a bit generous?
6631 programStats.nodes = programStats.depth = programStats.time =
6632 programStats.score = programStats.got_only_move = 0;
6633 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6635 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6636 strcat(bookMove, bookHit);
6637 HandleMachineMove(bookMove, &first);
6643 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6650 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6651 Markers *m = (Markers *) closure;
6652 if(rf == fromY && ff == fromX)
6653 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6654 || kind == WhiteCapturesEnPassant
6655 || kind == BlackCapturesEnPassant);
6656 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6660 MarkTargetSquares(int clear)
6663 if(!appData.markers || !appData.highlightDragging ||
6664 !appData.testLegality || gameMode == EditPosition) return;
6666 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6669 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6670 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6671 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6673 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6676 DrawPosition(TRUE, NULL);
6680 Explode(Board board, int fromX, int fromY, int toX, int toY)
6682 if(gameInfo.variant == VariantAtomic &&
6683 (board[toY][toX] != EmptySquare || // capture?
6684 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6685 board[fromY][fromX] == BlackPawn )
6687 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6693 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6695 int CanPromote(ChessSquare piece, int y)
6697 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6698 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6699 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6700 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6701 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6702 gameInfo.variant == VariantMakruk) return FALSE;
6703 return (piece == BlackPawn && y == 1 ||
6704 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6705 piece == BlackLance && y == 1 ||
6706 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6709 void LeftClick(ClickType clickType, int xPix, int yPix)
6712 Boolean saveAnimate;
6713 static int second = 0, promotionChoice = 0, clearFlag = 0;
6714 char promoChoice = NULLCHAR;
6717 if(appData.seekGraph && appData.icsActive && loggedOn &&
6718 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6719 SeekGraphClick(clickType, xPix, yPix, 0);
6723 if (clickType == Press) ErrorPopDown();
6724 MarkTargetSquares(1);
6726 x = EventToSquare(xPix, BOARD_WIDTH);
6727 y = EventToSquare(yPix, BOARD_HEIGHT);
6728 if (!flipView && y >= 0) {
6729 y = BOARD_HEIGHT - 1 - y;
6731 if (flipView && x >= 0) {
6732 x = BOARD_WIDTH - 1 - x;
6735 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6736 defaultPromoChoice = promoSweep;
6737 promoSweep = EmptySquare; // terminate sweep
6738 promoDefaultAltered = TRUE;
6739 if(!selectFlag) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6742 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6743 if(clickType == Release) return; // ignore upclick of click-click destination
6744 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6745 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6746 if(gameInfo.holdingsWidth &&
6747 (WhiteOnMove(currentMove)
6748 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6749 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6750 // click in right holdings, for determining promotion piece
6751 ChessSquare p = boards[currentMove][y][x];
6752 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6753 if(p != EmptySquare) {
6754 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6759 DrawPosition(FALSE, boards[currentMove]);
6763 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6764 if(clickType == Press
6765 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6766 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6767 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6770 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6771 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6773 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6774 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6775 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6776 defaultPromoChoice = DefaultPromoChoice(side);
6779 autoQueen = appData.alwaysPromoteToQueen;
6783 gatingPiece = EmptySquare;
6784 if (clickType != Press) {
6785 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6786 DragPieceEnd(xPix, yPix); dragging = 0;
6787 DrawPosition(FALSE, NULL);
6791 fromX = x; fromY = y;
6792 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6793 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6794 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6796 if (OKToStartUserMove(fromX, fromY)) {
6798 MarkTargetSquares(0);
6799 DragPieceBegin(xPix, yPix); dragging = 1;
6800 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6801 promoSweep = defaultPromoChoice;
6802 selectFlag = 0; lastX = xPix; lastY = yPix;
6803 Sweep(0); // Pawn that is going to promote: preview promotion piece
6804 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6806 if (appData.highlightDragging) {
6807 SetHighlights(fromX, fromY, -1, -1);
6809 } else fromX = fromY = -1;
6815 if (clickType == Press && gameMode != EditPosition) {
6820 // ignore off-board to clicks
6821 if(y < 0 || x < 0) return;
6823 /* Check if clicking again on the same color piece */
6824 fromP = boards[currentMove][fromY][fromX];
6825 toP = boards[currentMove][y][x];
6826 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6827 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6828 WhitePawn <= toP && toP <= WhiteKing &&
6829 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6830 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6831 (BlackPawn <= fromP && fromP <= BlackKing &&
6832 BlackPawn <= toP && toP <= BlackKing &&
6833 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6834 !(fromP == BlackKing && toP == BlackRook && frc))) {
6835 /* Clicked again on same color piece -- changed his mind */
6836 second = (x == fromX && y == fromY);
6837 promoDefaultAltered = FALSE;
6838 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6839 if (appData.highlightDragging) {
6840 SetHighlights(x, y, -1, -1);
6844 if (OKToStartUserMove(x, y)) {
6845 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6846 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6847 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6848 gatingPiece = boards[currentMove][fromY][fromX];
6849 else gatingPiece = EmptySquare;
6851 fromY = y; dragging = 1;
6852 MarkTargetSquares(0);
6853 DragPieceBegin(xPix, yPix);
6854 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6855 promoSweep = defaultPromoChoice;
6856 selectFlag = 0; lastX = xPix; lastY = yPix;
6857 Sweep(0); // Pawn that is going to promote: preview promotion piece
6861 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6864 // ignore clicks on holdings
6865 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6868 if (clickType == Release && x == fromX && y == fromY) {
6869 DragPieceEnd(xPix, yPix); dragging = 0;
6871 // a deferred attempt to click-click move an empty square on top of a piece
6872 boards[currentMove][y][x] = EmptySquare;
6874 DrawPosition(FALSE, boards[currentMove]);
6875 fromX = fromY = -1; clearFlag = 0;
6878 if (appData.animateDragging) {
6879 /* Undo animation damage if any */
6880 DrawPosition(FALSE, NULL);
6883 /* Second up/down in same square; just abort move */
6886 gatingPiece = EmptySquare;
6889 ClearPremoveHighlights();
6891 /* First upclick in same square; start click-click mode */
6892 SetHighlights(x, y, -1, -1);
6899 /* we now have a different from- and (possibly off-board) to-square */
6900 /* Completed move */
6903 saveAnimate = appData.animate;
6904 if (clickType == Press) {
6905 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
6906 // must be Edit Position mode with empty-square selected
6907 fromX = x; fromY = y; DragPieceBegin(xPix, yPix); dragging = 1; // consider this a new attempt to drag
6908 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
6911 /* Finish clickclick move */
6912 if (appData.animate || appData.highlightLastMove) {
6913 SetHighlights(fromX, fromY, toX, toY);
6918 /* Finish drag move */
6919 if (appData.highlightLastMove) {
6920 SetHighlights(fromX, fromY, toX, toY);
6924 DragPieceEnd(xPix, yPix); dragging = 0;
6925 /* Don't animate move and drag both */
6926 appData.animate = FALSE;
6929 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6930 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6931 ChessSquare piece = boards[currentMove][fromY][fromX];
6932 if(gameMode == EditPosition && piece != EmptySquare &&
6933 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6936 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6937 n = PieceToNumber(piece - (int)BlackPawn);
6938 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6939 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6940 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6942 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6943 n = PieceToNumber(piece);
6944 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6945 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6946 boards[currentMove][n][BOARD_WIDTH-2]++;
6948 boards[currentMove][fromY][fromX] = EmptySquare;
6952 DrawPosition(TRUE, boards[currentMove]);
6956 // off-board moves should not be highlighted
6957 if(x < 0 || y < 0) ClearHighlights();
6959 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6961 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6962 SetHighlights(fromX, fromY, toX, toY);
6963 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6964 // [HGM] super: promotion to captured piece selected from holdings
6965 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6966 promotionChoice = TRUE;
6967 // kludge follows to temporarily execute move on display, without promoting yet
6968 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6969 boards[currentMove][toY][toX] = p;
6970 DrawPosition(FALSE, boards[currentMove]);
6971 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6972 boards[currentMove][toY][toX] = q;
6973 DisplayMessage("Click in holdings to choose piece", "");
6978 int oldMove = currentMove;
6979 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6980 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6981 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6982 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6983 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6984 DrawPosition(TRUE, boards[currentMove]);
6987 appData.animate = saveAnimate;
6988 if (appData.animate || appData.animateDragging) {
6989 /* Undo animation damage if needed */
6990 DrawPosition(FALSE, NULL);
6994 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6995 { // front-end-free part taken out of PieceMenuPopup
6996 int whichMenu; int xSqr, ySqr;
6998 if(seekGraphUp) { // [HGM] seekgraph
6999 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7000 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7004 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7005 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7006 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7007 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7008 if(action == Press) {
7009 originalFlip = flipView;
7010 flipView = !flipView; // temporarily flip board to see game from partners perspective
7011 DrawPosition(TRUE, partnerBoard);
7012 DisplayMessage(partnerStatus, "");
7014 } else if(action == Release) {
7015 flipView = originalFlip;
7016 DrawPosition(TRUE, boards[currentMove]);
7022 xSqr = EventToSquare(x, BOARD_WIDTH);
7023 ySqr = EventToSquare(y, BOARD_HEIGHT);
7024 if (action == Release) {
7025 if(pieceSweep != EmptySquare) {
7026 EditPositionMenuEvent(pieceSweep, toX, toY);
7027 pieceSweep = EmptySquare;
7028 } else UnLoadPV(); // [HGM] pv
7030 if (action != Press) return -2; // return code to be ignored
7033 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
7035 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
7036 if (xSqr < 0 || ySqr < 0) return -1;
7037 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7038 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7039 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7040 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7044 if(!appData.icsEngineAnalyze) return -1;
7045 case IcsPlayingWhite:
7046 case IcsPlayingBlack:
7047 if(!appData.zippyPlay) goto noZip;
7050 case MachinePlaysWhite:
7051 case MachinePlaysBlack:
7052 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7053 if (!appData.dropMenu) {
7055 return 2; // flag front-end to grab mouse events
7057 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7058 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7061 if (xSqr < 0 || ySqr < 0) return -1;
7062 if (!appData.dropMenu || appData.testLegality &&
7063 gameInfo.variant != VariantBughouse &&
7064 gameInfo.variant != VariantCrazyhouse) return -1;
7065 whichMenu = 1; // drop menu
7071 if (((*fromX = xSqr) < 0) ||
7072 ((*fromY = ySqr) < 0)) {
7073 *fromX = *fromY = -1;
7077 *fromX = BOARD_WIDTH - 1 - *fromX;
7079 *fromY = BOARD_HEIGHT - 1 - *fromY;
7084 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7086 // char * hint = lastHint;
7087 FrontEndProgramStats stats;
7089 stats.which = cps == &first ? 0 : 1;
7090 stats.depth = cpstats->depth;
7091 stats.nodes = cpstats->nodes;
7092 stats.score = cpstats->score;
7093 stats.time = cpstats->time;
7094 stats.pv = cpstats->movelist;
7095 stats.hint = lastHint;
7096 stats.an_move_index = 0;
7097 stats.an_move_count = 0;
7099 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7100 stats.hint = cpstats->move_name;
7101 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7102 stats.an_move_count = cpstats->nr_moves;
7105 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
7107 SetProgramStats( &stats );
7110 #define MAXPLAYERS 500
7113 TourneyStandings(int display)
7115 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7116 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7117 char result, *p, *names[MAXPLAYERS];
7119 names[0] = p = strdup(appData.participants);
7120 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7122 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7124 while(result = appData.results[nr]) {
7125 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7126 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7127 wScore = bScore = 0;
7129 case '+': wScore = 2; break;
7130 case '-': bScore = 2; break;
7131 case '=': wScore = bScore = 1; break;
7133 case '*': return strdup("busy"); // tourney not finished
7141 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7142 for(w=0; w<nPlayers; w++) {
7144 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7145 ranking[w] = b; points[w] = bScore; score[b] = -2;
7147 p = malloc(nPlayers*34+1);
7148 for(w=0; w<nPlayers && w<display; w++)
7149 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7155 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7156 { // count all piece types
7158 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7159 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7160 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7163 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7164 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7165 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7166 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7167 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7168 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7173 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7175 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7176 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7178 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7179 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7180 if(myPawns == 2 && nMine == 3) // KPP
7181 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7182 if(myPawns == 1 && nMine == 2) // KP
7183 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7184 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7185 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7186 if(myPawns) return FALSE;
7187 if(pCnt[WhiteRook+side])
7188 return pCnt[BlackRook-side] ||
7189 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7190 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7191 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7192 if(pCnt[WhiteCannon+side]) {
7193 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7194 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7196 if(pCnt[WhiteKnight+side])
7197 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7202 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7204 VariantClass v = gameInfo.variant;
7206 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7207 if(v == VariantShatranj) return TRUE; // always winnable through baring
7208 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7209 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7211 if(v == VariantXiangqi) {
7212 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7214 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7215 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7216 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7217 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7218 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7219 if(stale) // we have at least one last-rank P plus perhaps C
7220 return majors // KPKX
7221 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7223 return pCnt[WhiteFerz+side] // KCAK
7224 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7225 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7226 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7228 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7229 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7231 if(nMine == 1) return FALSE; // bare King
7232 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
7233 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7234 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7235 // by now we have King + 1 piece (or multiple Bishops on the same color)
7236 if(pCnt[WhiteKnight+side])
7237 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7238 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7239 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7241 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7242 if(pCnt[WhiteAlfil+side])
7243 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7244 if(pCnt[WhiteWazir+side])
7245 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7252 Adjudicate(ChessProgramState *cps)
7253 { // [HGM] some adjudications useful with buggy engines
7254 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7255 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7256 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7257 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7258 int k, count = 0; static int bare = 1;
7259 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7260 Boolean canAdjudicate = !appData.icsActive;
7262 // most tests only when we understand the game, i.e. legality-checking on
7263 if( appData.testLegality )
7264 { /* [HGM] Some more adjudications for obstinate engines */
7265 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7266 static int moveCount = 6;
7268 char *reason = NULL;
7270 /* Count what is on board. */
7271 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7273 /* Some material-based adjudications that have to be made before stalemate test */
7274 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7275 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7276 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7277 if(canAdjudicate && appData.checkMates) {
7279 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7280 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7281 "Xboard adjudication: King destroyed", GE_XBOARD );
7286 /* Bare King in Shatranj (loses) or Losers (wins) */
7287 if( nrW == 1 || nrB == 1) {
7288 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7289 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7290 if(canAdjudicate && appData.checkMates) {
7292 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7293 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7294 "Xboard adjudication: Bare king", GE_XBOARD );
7298 if( gameInfo.variant == VariantShatranj && --bare < 0)
7300 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7301 if(canAdjudicate && appData.checkMates) {
7302 /* but only adjudicate if adjudication enabled */
7304 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7305 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7306 "Xboard adjudication: Bare king", GE_XBOARD );
7313 // don't wait for engine to announce game end if we can judge ourselves
7314 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7316 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7317 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7318 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7319 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7322 reason = "Xboard adjudication: 3rd check";
7323 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7333 reason = "Xboard adjudication: Stalemate";
7334 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7335 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7336 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7337 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7338 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7339 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7340 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7341 EP_CHECKMATE : EP_WINS);
7342 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7343 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7347 reason = "Xboard adjudication: Checkmate";
7348 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7352 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7354 result = GameIsDrawn; break;
7356 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7358 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7362 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7364 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7365 GameEnds( result, reason, GE_XBOARD );
7369 /* Next absolutely insufficient mating material. */
7370 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7371 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7372 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7374 /* always flag draws, for judging claims */
7375 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7377 if(canAdjudicate && appData.materialDraws) {
7378 /* but only adjudicate them if adjudication enabled */
7379 if(engineOpponent) {
7380 SendToProgram("force\n", engineOpponent); // suppress reply
7381 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7383 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7388 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7389 if(gameInfo.variant == VariantXiangqi ?
7390 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7392 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7393 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7394 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7395 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7397 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7398 { /* if the first 3 moves do not show a tactical win, declare draw */
7399 if(engineOpponent) {
7400 SendToProgram("force\n", engineOpponent); // suppress reply
7401 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7403 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7406 } else moveCount = 6;
7408 if (appData.debugMode) { int i;
7409 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7410 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7411 appData.drawRepeats);
7412 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7413 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7417 // Repetition draws and 50-move rule can be applied independently of legality testing
7419 /* Check for rep-draws */
7421 for(k = forwardMostMove-2;
7422 k>=backwardMostMove && k>=forwardMostMove-100 &&
7423 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7424 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7427 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7428 /* compare castling rights */
7429 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7430 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7431 rights++; /* King lost rights, while rook still had them */
7432 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7433 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7434 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7435 rights++; /* but at least one rook lost them */
7437 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7438 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7440 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7441 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7442 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7445 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7446 && appData.drawRepeats > 1) {
7447 /* adjudicate after user-specified nr of repeats */
7448 int result = GameIsDrawn;
7449 char *details = "XBoard adjudication: repetition draw";
7450 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7451 // [HGM] xiangqi: check for forbidden perpetuals
7452 int m, ourPerpetual = 1, hisPerpetual = 1;
7453 for(m=forwardMostMove; m>k; m-=2) {
7454 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7455 ourPerpetual = 0; // the current mover did not always check
7456 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7457 hisPerpetual = 0; // the opponent did not always check
7459 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7460 ourPerpetual, hisPerpetual);
7461 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7462 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7463 details = "Xboard adjudication: perpetual checking";
7465 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7466 break; // (or we would have caught him before). Abort repetition-checking loop.
7468 // Now check for perpetual chases
7469 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7470 hisPerpetual = PerpetualChase(k, forwardMostMove);
7471 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7472 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7473 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7474 details = "Xboard adjudication: perpetual chasing";
7476 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7477 break; // Abort repetition-checking loop.
7479 // if neither of us is checking or chasing all the time, or both are, it is draw
7481 if(engineOpponent) {
7482 SendToProgram("force\n", engineOpponent); // suppress reply
7483 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7485 GameEnds( result, details, GE_XBOARD );
7488 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7489 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7493 /* Now we test for 50-move draws. Determine ply count */
7494 count = forwardMostMove;
7495 /* look for last irreversble move */
7496 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7498 /* if we hit starting position, add initial plies */
7499 if( count == backwardMostMove )
7500 count -= initialRulePlies;
7501 count = forwardMostMove - count;
7502 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7503 // adjust reversible move counter for checks in Xiangqi
7504 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7505 if(i < backwardMostMove) i = backwardMostMove;
7506 while(i <= forwardMostMove) {
7507 lastCheck = inCheck; // check evasion does not count
7508 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7509 if(inCheck || lastCheck) count--; // check does not count
7514 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7515 /* this is used to judge if draw claims are legal */
7516 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7517 if(engineOpponent) {
7518 SendToProgram("force\n", engineOpponent); // suppress reply
7519 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7521 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7525 /* if draw offer is pending, treat it as a draw claim
7526 * when draw condition present, to allow engines a way to
7527 * claim draws before making their move to avoid a race
7528 * condition occurring after their move
7530 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7532 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7533 p = "Draw claim: 50-move rule";
7534 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7535 p = "Draw claim: 3-fold repetition";
7536 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7537 p = "Draw claim: insufficient mating material";
7538 if( p != NULL && canAdjudicate) {
7539 if(engineOpponent) {
7540 SendToProgram("force\n", engineOpponent); // suppress reply
7541 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7543 GameEnds( GameIsDrawn, p, GE_XBOARD );
7548 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7549 if(engineOpponent) {
7550 SendToProgram("force\n", engineOpponent); // suppress reply
7551 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7553 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7559 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7560 { // [HGM] book: this routine intercepts moves to simulate book replies
7561 char *bookHit = NULL;
7563 //first determine if the incoming move brings opponent into his book
7564 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7565 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7566 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7567 if(bookHit != NULL && !cps->bookSuspend) {
7568 // make sure opponent is not going to reply after receiving move to book position
7569 SendToProgram("force\n", cps);
7570 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7572 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7573 // now arrange restart after book miss
7575 // after a book hit we never send 'go', and the code after the call to this routine
7576 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7578 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7579 SendToProgram(buf, cps);
7580 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7581 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7582 SendToProgram("go\n", cps);
7583 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7584 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7585 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7586 SendToProgram("go\n", cps);
7587 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7589 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7593 ChessProgramState *savedState;
7594 void DeferredBookMove(void)
7596 if(savedState->lastPing != savedState->lastPong)
7597 ScheduleDelayedEvent(DeferredBookMove, 10);
7599 HandleMachineMove(savedMessage, savedState);
7603 HandleMachineMove(message, cps)
7605 ChessProgramState *cps;
7607 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7608 char realname[MSG_SIZ];
7609 int fromX, fromY, toX, toY;
7618 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7620 * Kludge to ignore BEL characters
7622 while (*message == '\007') message++;
7625 * [HGM] engine debug message: ignore lines starting with '#' character
7627 if(cps->debug && *message == '#') return;
7630 * Look for book output
7632 if (cps == &first && bookRequested) {
7633 if (message[0] == '\t' || message[0] == ' ') {
7634 /* Part of the book output is here; append it */
7635 strcat(bookOutput, message);
7636 strcat(bookOutput, " \n");
7638 } else if (bookOutput[0] != NULLCHAR) {
7639 /* All of book output has arrived; display it */
7640 char *p = bookOutput;
7641 while (*p != NULLCHAR) {
7642 if (*p == '\t') *p = ' ';
7645 DisplayInformation(bookOutput);
7646 bookRequested = FALSE;
7647 /* Fall through to parse the current output */
7652 * Look for machine move.
7654 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7655 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7657 /* This method is only useful on engines that support ping */
7658 if (cps->lastPing != cps->lastPong) {
7659 if (gameMode == BeginningOfGame) {
7660 /* Extra move from before last new; ignore */
7661 if (appData.debugMode) {
7662 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7665 if (appData.debugMode) {
7666 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7667 cps->which, gameMode);
7670 SendToProgram("undo\n", cps);
7676 case BeginningOfGame:
7677 /* Extra move from before last reset; ignore */
7678 if (appData.debugMode) {
7679 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7686 /* Extra move after we tried to stop. The mode test is
7687 not a reliable way of detecting this problem, but it's
7688 the best we can do on engines that don't support ping.
7690 if (appData.debugMode) {
7691 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7692 cps->which, gameMode);
7694 SendToProgram("undo\n", cps);
7697 case MachinePlaysWhite:
7698 case IcsPlayingWhite:
7699 machineWhite = TRUE;
7702 case MachinePlaysBlack:
7703 case IcsPlayingBlack:
7704 machineWhite = FALSE;
7707 case TwoMachinesPlay:
7708 machineWhite = (cps->twoMachinesColor[0] == 'w');
7711 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7712 if (appData.debugMode) {
7714 "Ignoring move out of turn by %s, gameMode %d"
7715 ", forwardMost %d\n",
7716 cps->which, gameMode, forwardMostMove);
7721 if (appData.debugMode) { int f = forwardMostMove;
7722 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7723 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7724 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7726 if(cps->alphaRank) AlphaRank(machineMove, 4);
7727 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7728 &fromX, &fromY, &toX, &toY, &promoChar)) {
7729 /* Machine move could not be parsed; ignore it. */
7730 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7731 machineMove, _(cps->which));
7732 DisplayError(buf1, 0);
7733 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7734 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7735 if (gameMode == TwoMachinesPlay) {
7736 GameEnds(machineWhite ? BlackWins : WhiteWins,
7742 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7743 /* So we have to redo legality test with true e.p. status here, */
7744 /* to make sure an illegal e.p. capture does not slip through, */
7745 /* to cause a forfeit on a justified illegal-move complaint */
7746 /* of the opponent. */
7747 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7749 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7750 fromY, fromX, toY, toX, promoChar);
7751 if (appData.debugMode) {
7753 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7754 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7755 fprintf(debugFP, "castling rights\n");
7757 if(moveType == IllegalMove) {
7758 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7759 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7760 GameEnds(machineWhite ? BlackWins : WhiteWins,
7763 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7764 /* [HGM] Kludge to handle engines that send FRC-style castling
7765 when they shouldn't (like TSCP-Gothic) */
7767 case WhiteASideCastleFR:
7768 case BlackASideCastleFR:
7770 currentMoveString[2]++;
7772 case WhiteHSideCastleFR:
7773 case BlackHSideCastleFR:
7775 currentMoveString[2]--;
7777 default: ; // nothing to do, but suppresses warning of pedantic compilers
7780 hintRequested = FALSE;
7781 lastHint[0] = NULLCHAR;
7782 bookRequested = FALSE;
7783 /* Program may be pondering now */
7784 cps->maybeThinking = TRUE;
7785 if (cps->sendTime == 2) cps->sendTime = 1;
7786 if (cps->offeredDraw) cps->offeredDraw--;
7788 /* [AS] Save move info*/
7789 pvInfoList[ forwardMostMove ].score = programStats.score;
7790 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7791 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7793 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7795 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7796 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7799 while( count < adjudicateLossPlies ) {
7800 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7803 score = -score; /* Flip score for winning side */
7806 if( score > adjudicateLossThreshold ) {
7813 if( count >= adjudicateLossPlies ) {
7814 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7816 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7817 "Xboard adjudication",
7824 if(Adjudicate(cps)) {
7825 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7826 return; // [HGM] adjudicate: for all automatic game ends
7830 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7832 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7833 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7835 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7837 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7839 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7840 char buf[3*MSG_SIZ];
7842 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7843 programStats.score / 100.,
7845 programStats.time / 100.,
7846 (unsigned int)programStats.nodes,
7847 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7848 programStats.movelist);
7850 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7855 /* [AS] Clear stats for next move */
7856 ClearProgramStats();
7857 thinkOutput[0] = NULLCHAR;
7858 hiddenThinkOutputState = 0;
7861 if (gameMode == TwoMachinesPlay) {
7862 /* [HGM] relaying draw offers moved to after reception of move */
7863 /* and interpreting offer as claim if it brings draw condition */
7864 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7865 SendToProgram("draw\n", cps->other);
7867 if (cps->other->sendTime) {
7868 SendTimeRemaining(cps->other,
7869 cps->other->twoMachinesColor[0] == 'w');
7871 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7872 if (firstMove && !bookHit) {
7874 if (cps->other->useColors) {
7875 SendToProgram(cps->other->twoMachinesColor, cps->other);
7877 SendToProgram("go\n", cps->other);
7879 cps->other->maybeThinking = TRUE;
7882 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7884 if (!pausing && appData.ringBellAfterMoves) {
7889 * Reenable menu items that were disabled while
7890 * machine was thinking
7892 if (gameMode != TwoMachinesPlay)
7893 SetUserThinkingEnables();
7895 // [HGM] book: after book hit opponent has received move and is now in force mode
7896 // force the book reply into it, and then fake that it outputted this move by jumping
7897 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7899 static char bookMove[MSG_SIZ]; // a bit generous?
7901 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7902 strcat(bookMove, bookHit);
7905 programStats.nodes = programStats.depth = programStats.time =
7906 programStats.score = programStats.got_only_move = 0;
7907 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7909 if(cps->lastPing != cps->lastPong) {
7910 savedMessage = message; // args for deferred call
7912 ScheduleDelayedEvent(DeferredBookMove, 10);
7921 /* Set special modes for chess engines. Later something general
7922 * could be added here; for now there is just one kludge feature,
7923 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7924 * when "xboard" is given as an interactive command.
7926 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7927 cps->useSigint = FALSE;
7928 cps->useSigterm = FALSE;
7930 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7931 ParseFeatures(message+8, cps);
7932 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7935 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7936 int dummy, s=6; char buf[MSG_SIZ];
7937 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7938 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7939 ParseFEN(boards[0], &dummy, message+s);
7940 DrawPosition(TRUE, boards[0]);
7941 startedFromSetupPosition = TRUE;
7944 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7945 * want this, I was asked to put it in, and obliged.
7947 if (!strncmp(message, "setboard ", 9)) {
7948 Board initial_position;
7950 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7952 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7953 DisplayError(_("Bad FEN received from engine"), 0);
7957 CopyBoard(boards[0], initial_position);
7958 initialRulePlies = FENrulePlies;
7959 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7960 else gameMode = MachinePlaysBlack;
7961 DrawPosition(FALSE, boards[currentMove]);
7967 * Look for communication commands
7969 if (!strncmp(message, "telluser ", 9)) {
7970 if(message[9] == '\\' && message[10] == '\\')
7971 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7972 DisplayNote(message + 9);
7975 if (!strncmp(message, "tellusererror ", 14)) {
7977 if(message[14] == '\\' && message[15] == '\\')
7978 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7979 DisplayError(message + 14, 0);
7982 if (!strncmp(message, "tellopponent ", 13)) {
7983 if (appData.icsActive) {
7985 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7989 DisplayNote(message + 13);
7993 if (!strncmp(message, "tellothers ", 11)) {
7994 if (appData.icsActive) {
7996 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8002 if (!strncmp(message, "tellall ", 8)) {
8003 if (appData.icsActive) {
8005 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8009 DisplayNote(message + 8);
8013 if (strncmp(message, "warning", 7) == 0) {
8014 /* Undocumented feature, use tellusererror in new code */
8015 DisplayError(message, 0);
8018 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8019 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8020 strcat(realname, " query");
8021 AskQuestion(realname, buf2, buf1, cps->pr);
8024 /* Commands from the engine directly to ICS. We don't allow these to be
8025 * sent until we are logged on. Crafty kibitzes have been known to
8026 * interfere with the login process.
8029 if (!strncmp(message, "tellics ", 8)) {
8030 SendToICS(message + 8);
8034 if (!strncmp(message, "tellicsnoalias ", 15)) {
8035 SendToICS(ics_prefix);
8036 SendToICS(message + 15);
8040 /* The following are for backward compatibility only */
8041 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8042 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8043 SendToICS(ics_prefix);
8049 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8053 * If the move is illegal, cancel it and redraw the board.
8054 * Also deal with other error cases. Matching is rather loose
8055 * here to accommodate engines written before the spec.
8057 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8058 strncmp(message, "Error", 5) == 0) {
8059 if (StrStr(message, "name") ||
8060 StrStr(message, "rating") || StrStr(message, "?") ||
8061 StrStr(message, "result") || StrStr(message, "board") ||
8062 StrStr(message, "bk") || StrStr(message, "computer") ||
8063 StrStr(message, "variant") || StrStr(message, "hint") ||
8064 StrStr(message, "random") || StrStr(message, "depth") ||
8065 StrStr(message, "accepted")) {
8068 if (StrStr(message, "protover")) {
8069 /* Program is responding to input, so it's apparently done
8070 initializing, and this error message indicates it is
8071 protocol version 1. So we don't need to wait any longer
8072 for it to initialize and send feature commands. */
8073 FeatureDone(cps, 1);
8074 cps->protocolVersion = 1;
8077 cps->maybeThinking = FALSE;
8079 if (StrStr(message, "draw")) {
8080 /* Program doesn't have "draw" command */
8081 cps->sendDrawOffers = 0;
8084 if (cps->sendTime != 1 &&
8085 (StrStr(message, "time") || StrStr(message, "otim"))) {
8086 /* Program apparently doesn't have "time" or "otim" command */
8090 if (StrStr(message, "analyze")) {
8091 cps->analysisSupport = FALSE;
8092 cps->analyzing = FALSE;
8094 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8095 DisplayError(buf2, 0);
8098 if (StrStr(message, "(no matching move)st")) {
8099 /* Special kludge for GNU Chess 4 only */
8100 cps->stKludge = TRUE;
8101 SendTimeControl(cps, movesPerSession, timeControl,
8102 timeIncrement, appData.searchDepth,
8106 if (StrStr(message, "(no matching move)sd")) {
8107 /* Special kludge for GNU Chess 4 only */
8108 cps->sdKludge = TRUE;
8109 SendTimeControl(cps, movesPerSession, timeControl,
8110 timeIncrement, appData.searchDepth,
8114 if (!StrStr(message, "llegal")) {
8117 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8118 gameMode == IcsIdle) return;
8119 if (forwardMostMove <= backwardMostMove) return;
8120 if (pausing) PauseEvent();
8121 if(appData.forceIllegal) {
8122 // [HGM] illegal: machine refused move; force position after move into it
8123 SendToProgram("force\n", cps);
8124 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8125 // we have a real problem now, as SendBoard will use the a2a3 kludge
8126 // when black is to move, while there might be nothing on a2 or black
8127 // might already have the move. So send the board as if white has the move.
8128 // But first we must change the stm of the engine, as it refused the last move
8129 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8130 if(WhiteOnMove(forwardMostMove)) {
8131 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8132 SendBoard(cps, forwardMostMove); // kludgeless board
8134 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8135 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8136 SendBoard(cps, forwardMostMove+1); // kludgeless board
8138 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8139 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8140 gameMode == TwoMachinesPlay)
8141 SendToProgram("go\n", cps);
8144 if (gameMode == PlayFromGameFile) {
8145 /* Stop reading this game file */
8146 gameMode = EditGame;
8149 /* [HGM] illegal-move claim should forfeit game when Xboard */
8150 /* only passes fully legal moves */
8151 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8152 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8153 "False illegal-move claim", GE_XBOARD );
8154 return; // do not take back move we tested as valid
8156 currentMove = forwardMostMove-1;
8157 DisplayMove(currentMove-1); /* before DisplayMoveError */
8158 SwitchClocks(forwardMostMove-1); // [HGM] race
8159 DisplayBothClocks();
8160 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8161 parseList[currentMove], _(cps->which));
8162 DisplayMoveError(buf1);
8163 DrawPosition(FALSE, boards[currentMove]);
8166 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8167 /* Program has a broken "time" command that
8168 outputs a string not ending in newline.
8174 * If chess program startup fails, exit with an error message.
8175 * Attempts to recover here are futile.
8177 if ((StrStr(message, "unknown host") != NULL)
8178 || (StrStr(message, "No remote directory") != NULL)
8179 || (StrStr(message, "not found") != NULL)
8180 || (StrStr(message, "No such file") != NULL)
8181 || (StrStr(message, "can't alloc") != NULL)
8182 || (StrStr(message, "Permission denied") != NULL)) {
8184 cps->maybeThinking = FALSE;
8185 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8186 _(cps->which), cps->program, cps->host, message);
8187 RemoveInputSource(cps->isr);
8188 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8189 if(cps == &first) appData.noChessProgram = TRUE;
8190 DisplayError(buf1, 0);
8196 * Look for hint output
8198 if (sscanf(message, "Hint: %s", buf1) == 1) {
8199 if (cps == &first && hintRequested) {
8200 hintRequested = FALSE;
8201 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8202 &fromX, &fromY, &toX, &toY, &promoChar)) {
8203 (void) CoordsToAlgebraic(boards[forwardMostMove],
8204 PosFlags(forwardMostMove),
8205 fromY, fromX, toY, toX, promoChar, buf1);
8206 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8207 DisplayInformation(buf2);
8209 /* Hint move could not be parsed!? */
8210 snprintf(buf2, sizeof(buf2),
8211 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8212 buf1, _(cps->which));
8213 DisplayError(buf2, 0);
8216 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8222 * Ignore other messages if game is not in progress
8224 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8225 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8228 * look for win, lose, draw, or draw offer
8230 if (strncmp(message, "1-0", 3) == 0) {
8231 char *p, *q, *r = "";
8232 p = strchr(message, '{');
8240 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8242 } else if (strncmp(message, "0-1", 3) == 0) {
8243 char *p, *q, *r = "";
8244 p = strchr(message, '{');
8252 /* Kludge for Arasan 4.1 bug */
8253 if (strcmp(r, "Black resigns") == 0) {
8254 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8257 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8259 } else if (strncmp(message, "1/2", 3) == 0) {
8260 char *p, *q, *r = "";
8261 p = strchr(message, '{');
8270 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8273 } else if (strncmp(message, "White resign", 12) == 0) {
8274 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8276 } else if (strncmp(message, "Black resign", 12) == 0) {
8277 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8279 } else if (strncmp(message, "White matches", 13) == 0 ||
8280 strncmp(message, "Black matches", 13) == 0 ) {
8281 /* [HGM] ignore GNUShogi noises */
8283 } else if (strncmp(message, "White", 5) == 0 &&
8284 message[5] != '(' &&
8285 StrStr(message, "Black") == NULL) {
8286 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8288 } else if (strncmp(message, "Black", 5) == 0 &&
8289 message[5] != '(') {
8290 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8292 } else if (strcmp(message, "resign") == 0 ||
8293 strcmp(message, "computer resigns") == 0) {
8295 case MachinePlaysBlack:
8296 case IcsPlayingBlack:
8297 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8299 case MachinePlaysWhite:
8300 case IcsPlayingWhite:
8301 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8303 case TwoMachinesPlay:
8304 if (cps->twoMachinesColor[0] == 'w')
8305 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8307 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8314 } else if (strncmp(message, "opponent mates", 14) == 0) {
8316 case MachinePlaysBlack:
8317 case IcsPlayingBlack:
8318 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8320 case MachinePlaysWhite:
8321 case IcsPlayingWhite:
8322 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8324 case TwoMachinesPlay:
8325 if (cps->twoMachinesColor[0] == 'w')
8326 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8328 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8335 } else if (strncmp(message, "computer mates", 14) == 0) {
8337 case MachinePlaysBlack:
8338 case IcsPlayingBlack:
8339 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8341 case MachinePlaysWhite:
8342 case IcsPlayingWhite:
8343 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8345 case TwoMachinesPlay:
8346 if (cps->twoMachinesColor[0] == 'w')
8347 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8349 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8356 } else if (strncmp(message, "checkmate", 9) == 0) {
8357 if (WhiteOnMove(forwardMostMove)) {
8358 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8360 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8363 } else if (strstr(message, "Draw") != NULL ||
8364 strstr(message, "game is a draw") != NULL) {
8365 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8367 } else if (strstr(message, "offer") != NULL &&
8368 strstr(message, "draw") != NULL) {
8370 if (appData.zippyPlay && first.initDone) {
8371 /* Relay offer to ICS */
8372 SendToICS(ics_prefix);
8373 SendToICS("draw\n");
8376 cps->offeredDraw = 2; /* valid until this engine moves twice */
8377 if (gameMode == TwoMachinesPlay) {
8378 if (cps->other->offeredDraw) {
8379 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8380 /* [HGM] in two-machine mode we delay relaying draw offer */
8381 /* until after we also have move, to see if it is really claim */
8383 } else if (gameMode == MachinePlaysWhite ||
8384 gameMode == MachinePlaysBlack) {
8385 if (userOfferedDraw) {
8386 DisplayInformation(_("Machine accepts your draw offer"));
8387 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8389 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8396 * Look for thinking output
8398 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8399 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8401 int plylev, mvleft, mvtot, curscore, time;
8402 char mvname[MOVE_LEN];
8406 int prefixHint = FALSE;
8407 mvname[0] = NULLCHAR;
8410 case MachinePlaysBlack:
8411 case IcsPlayingBlack:
8412 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8414 case MachinePlaysWhite:
8415 case IcsPlayingWhite:
8416 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8421 case IcsObserving: /* [DM] icsEngineAnalyze */
8422 if (!appData.icsEngineAnalyze) ignore = TRUE;
8424 case TwoMachinesPlay:
8425 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8435 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8437 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8438 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8440 if (plyext != ' ' && plyext != '\t') {
8444 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8445 if( cps->scoreIsAbsolute &&
8446 ( gameMode == MachinePlaysBlack ||
8447 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8448 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8449 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8450 !WhiteOnMove(currentMove)
8453 curscore = -curscore;
8457 tempStats.depth = plylev;
8458 tempStats.nodes = nodes;
8459 tempStats.time = time;
8460 tempStats.score = curscore;
8461 tempStats.got_only_move = 0;
8463 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8466 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8467 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8468 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8469 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8470 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8471 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8472 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8473 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8476 /* Buffer overflow protection */
8477 if (buf1[0] != NULLCHAR) {
8478 if (strlen(buf1) >= sizeof(tempStats.movelist)
8479 && appData.debugMode) {
8481 "PV is too long; using the first %u bytes.\n",
8482 (unsigned) sizeof(tempStats.movelist) - 1);
8485 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8487 sprintf(tempStats.movelist, " no PV\n");
8490 if (tempStats.seen_stat) {
8491 tempStats.ok_to_send = 1;
8494 if (strchr(tempStats.movelist, '(') != NULL) {
8495 tempStats.line_is_book = 1;
8496 tempStats.nr_moves = 0;
8497 tempStats.moves_left = 0;
8499 tempStats.line_is_book = 0;
8502 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8503 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8505 SendProgramStatsToFrontend( cps, &tempStats );
8508 [AS] Protect the thinkOutput buffer from overflow... this
8509 is only useful if buf1 hasn't overflowed first!
8511 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8513 (gameMode == TwoMachinesPlay ?
8514 ToUpper(cps->twoMachinesColor[0]) : ' '),
8515 ((double) curscore) / 100.0,
8516 prefixHint ? lastHint : "",
8517 prefixHint ? " " : "" );
8519 if( buf1[0] != NULLCHAR ) {
8520 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8522 if( strlen(buf1) > max_len ) {
8523 if( appData.debugMode) {
8524 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8526 buf1[max_len+1] = '\0';
8529 strcat( thinkOutput, buf1 );
8532 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8533 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8534 DisplayMove(currentMove - 1);
8538 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8539 /* crafty (9.25+) says "(only move) <move>"
8540 * if there is only 1 legal move
8542 sscanf(p, "(only move) %s", buf1);
8543 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8544 sprintf(programStats.movelist, "%s (only move)", buf1);
8545 programStats.depth = 1;
8546 programStats.nr_moves = 1;
8547 programStats.moves_left = 1;
8548 programStats.nodes = 1;
8549 programStats.time = 1;
8550 programStats.got_only_move = 1;
8552 /* Not really, but we also use this member to
8553 mean "line isn't going to change" (Crafty
8554 isn't searching, so stats won't change) */
8555 programStats.line_is_book = 1;
8557 SendProgramStatsToFrontend( cps, &programStats );
8559 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8560 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8561 DisplayMove(currentMove - 1);
8564 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8565 &time, &nodes, &plylev, &mvleft,
8566 &mvtot, mvname) >= 5) {
8567 /* The stat01: line is from Crafty (9.29+) in response
8568 to the "." command */
8569 programStats.seen_stat = 1;
8570 cps->maybeThinking = TRUE;
8572 if (programStats.got_only_move || !appData.periodicUpdates)
8575 programStats.depth = plylev;
8576 programStats.time = time;
8577 programStats.nodes = nodes;
8578 programStats.moves_left = mvleft;
8579 programStats.nr_moves = mvtot;
8580 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8581 programStats.ok_to_send = 1;
8582 programStats.movelist[0] = '\0';
8584 SendProgramStatsToFrontend( cps, &programStats );
8588 } else if (strncmp(message,"++",2) == 0) {
8589 /* Crafty 9.29+ outputs this */
8590 programStats.got_fail = 2;
8593 } else if (strncmp(message,"--",2) == 0) {
8594 /* Crafty 9.29+ outputs this */
8595 programStats.got_fail = 1;
8598 } else if (thinkOutput[0] != NULLCHAR &&
8599 strncmp(message, " ", 4) == 0) {
8600 unsigned message_len;
8603 while (*p && *p == ' ') p++;
8605 message_len = strlen( p );
8607 /* [AS] Avoid buffer overflow */
8608 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8609 strcat(thinkOutput, " ");
8610 strcat(thinkOutput, p);
8613 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8614 strcat(programStats.movelist, " ");
8615 strcat(programStats.movelist, p);
8618 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8619 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8620 DisplayMove(currentMove - 1);
8628 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8629 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8631 ChessProgramStats cpstats;
8633 if (plyext != ' ' && plyext != '\t') {
8637 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8638 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8639 curscore = -curscore;
8642 cpstats.depth = plylev;
8643 cpstats.nodes = nodes;
8644 cpstats.time = time;
8645 cpstats.score = curscore;
8646 cpstats.got_only_move = 0;
8647 cpstats.movelist[0] = '\0';
8649 if (buf1[0] != NULLCHAR) {
8650 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8653 cpstats.ok_to_send = 0;
8654 cpstats.line_is_book = 0;
8655 cpstats.nr_moves = 0;
8656 cpstats.moves_left = 0;
8658 SendProgramStatsToFrontend( cps, &cpstats );
8665 /* Parse a game score from the character string "game", and
8666 record it as the history of the current game. The game
8667 score is NOT assumed to start from the standard position.
8668 The display is not updated in any way.
8671 ParseGameHistory(game)
8675 int fromX, fromY, toX, toY, boardIndex;
8680 if (appData.debugMode)
8681 fprintf(debugFP, "Parsing game history: %s\n", game);
8683 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8684 gameInfo.site = StrSave(appData.icsHost);
8685 gameInfo.date = PGNDate();
8686 gameInfo.round = StrSave("-");
8688 /* Parse out names of players */
8689 while (*game == ' ') game++;
8691 while (*game != ' ') *p++ = *game++;
8693 gameInfo.white = StrSave(buf);
8694 while (*game == ' ') game++;
8696 while (*game != ' ' && *game != '\n') *p++ = *game++;
8698 gameInfo.black = StrSave(buf);
8701 boardIndex = blackPlaysFirst ? 1 : 0;
8704 yyboardindex = boardIndex;
8705 moveType = (ChessMove) Myylex();
8707 case IllegalMove: /* maybe suicide chess, etc. */
8708 if (appData.debugMode) {
8709 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8710 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8711 setbuf(debugFP, NULL);
8713 case WhitePromotion:
8714 case BlackPromotion:
8715 case WhiteNonPromotion:
8716 case BlackNonPromotion:
8718 case WhiteCapturesEnPassant:
8719 case BlackCapturesEnPassant:
8720 case WhiteKingSideCastle:
8721 case WhiteQueenSideCastle:
8722 case BlackKingSideCastle:
8723 case BlackQueenSideCastle:
8724 case WhiteKingSideCastleWild:
8725 case WhiteQueenSideCastleWild:
8726 case BlackKingSideCastleWild:
8727 case BlackQueenSideCastleWild:
8729 case WhiteHSideCastleFR:
8730 case WhiteASideCastleFR:
8731 case BlackHSideCastleFR:
8732 case BlackASideCastleFR:
8734 fromX = currentMoveString[0] - AAA;
8735 fromY = currentMoveString[1] - ONE;
8736 toX = currentMoveString[2] - AAA;
8737 toY = currentMoveString[3] - ONE;
8738 promoChar = currentMoveString[4];
8742 fromX = moveType == WhiteDrop ?
8743 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8744 (int) CharToPiece(ToLower(currentMoveString[0]));
8746 toX = currentMoveString[2] - AAA;
8747 toY = currentMoveString[3] - ONE;
8748 promoChar = NULLCHAR;
8752 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8753 if (appData.debugMode) {
8754 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8755 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8756 setbuf(debugFP, NULL);
8758 DisplayError(buf, 0);
8760 case ImpossibleMove:
8762 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8763 if (appData.debugMode) {
8764 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8765 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8766 setbuf(debugFP, NULL);
8768 DisplayError(buf, 0);
8771 if (boardIndex < backwardMostMove) {
8772 /* Oops, gap. How did that happen? */
8773 DisplayError(_("Gap in move list"), 0);
8776 backwardMostMove = blackPlaysFirst ? 1 : 0;
8777 if (boardIndex > forwardMostMove) {
8778 forwardMostMove = boardIndex;
8782 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8783 strcat(parseList[boardIndex-1], " ");
8784 strcat(parseList[boardIndex-1], yy_text);
8796 case GameUnfinished:
8797 if (gameMode == IcsExamining) {
8798 if (boardIndex < backwardMostMove) {
8799 /* Oops, gap. How did that happen? */
8802 backwardMostMove = blackPlaysFirst ? 1 : 0;
8805 gameInfo.result = moveType;
8806 p = strchr(yy_text, '{');
8807 if (p == NULL) p = strchr(yy_text, '(');
8810 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8812 q = strchr(p, *p == '{' ? '}' : ')');
8813 if (q != NULL) *q = NULLCHAR;
8816 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8817 gameInfo.resultDetails = StrSave(p);
8820 if (boardIndex >= forwardMostMove &&
8821 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8822 backwardMostMove = blackPlaysFirst ? 1 : 0;
8825 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8826 fromY, fromX, toY, toX, promoChar,
8827 parseList[boardIndex]);
8828 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8829 /* currentMoveString is set as a side-effect of yylex */
8830 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8831 strcat(moveList[boardIndex], "\n");
8833 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8834 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8840 if(gameInfo.variant != VariantShogi)
8841 strcat(parseList[boardIndex - 1], "+");
8845 strcat(parseList[boardIndex - 1], "#");
8852 /* Apply a move to the given board */
8854 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8855 int fromX, fromY, toX, toY;
8859 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8860 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8862 /* [HGM] compute & store e.p. status and castling rights for new position */
8863 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8865 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8866 oldEP = (signed char)board[EP_STATUS];
8867 board[EP_STATUS] = EP_NONE;
8869 if( board[toY][toX] != EmptySquare )
8870 board[EP_STATUS] = EP_CAPTURE;
8872 if (fromY == DROP_RANK) {
8874 piece = board[toY][toX] = (ChessSquare) fromX;
8878 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8879 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8880 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8882 if( board[fromY][fromX] == WhitePawn ) {
8883 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8884 board[EP_STATUS] = EP_PAWN_MOVE;
8886 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8887 gameInfo.variant != VariantBerolina || toX < fromX)
8888 board[EP_STATUS] = toX | berolina;
8889 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8890 gameInfo.variant != VariantBerolina || toX > fromX)
8891 board[EP_STATUS] = toX;
8894 if( board[fromY][fromX] == BlackPawn ) {
8895 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8896 board[EP_STATUS] = EP_PAWN_MOVE;
8897 if( toY-fromY== -2) {
8898 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8899 gameInfo.variant != VariantBerolina || toX < fromX)
8900 board[EP_STATUS] = toX | berolina;
8901 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8902 gameInfo.variant != VariantBerolina || toX > fromX)
8903 board[EP_STATUS] = toX;
8907 for(i=0; i<nrCastlingRights; i++) {
8908 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8909 board[CASTLING][i] == toX && castlingRank[i] == toY
8910 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8913 if (fromX == toX && fromY == toY) return;
8915 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8916 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8917 if(gameInfo.variant == VariantKnightmate)
8918 king += (int) WhiteUnicorn - (int) WhiteKing;
8920 /* Code added by Tord: */
8921 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8922 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8923 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8924 board[fromY][fromX] = EmptySquare;
8925 board[toY][toX] = EmptySquare;
8926 if((toX > fromX) != (piece == WhiteRook)) {
8927 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8929 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8931 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8932 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8933 board[fromY][fromX] = EmptySquare;
8934 board[toY][toX] = EmptySquare;
8935 if((toX > fromX) != (piece == BlackRook)) {
8936 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8938 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8940 /* End of code added by Tord */
8942 } else if (board[fromY][fromX] == king
8943 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8944 && toY == fromY && toX > fromX+1) {
8945 board[fromY][fromX] = EmptySquare;
8946 board[toY][toX] = king;
8947 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8948 board[fromY][BOARD_RGHT-1] = EmptySquare;
8949 } else if (board[fromY][fromX] == king
8950 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8951 && toY == fromY && toX < fromX-1) {
8952 board[fromY][fromX] = EmptySquare;
8953 board[toY][toX] = king;
8954 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8955 board[fromY][BOARD_LEFT] = EmptySquare;
8956 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8957 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8958 && toY >= BOARD_HEIGHT-promoRank
8960 /* white pawn promotion */
8961 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8962 if (board[toY][toX] == EmptySquare) {
8963 board[toY][toX] = WhiteQueen;
8965 if(gameInfo.variant==VariantBughouse ||
8966 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8967 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8968 board[fromY][fromX] = EmptySquare;
8969 } else if ((fromY == BOARD_HEIGHT-4)
8971 && gameInfo.variant != VariantXiangqi
8972 && gameInfo.variant != VariantBerolina
8973 && (board[fromY][fromX] == WhitePawn)
8974 && (board[toY][toX] == EmptySquare)) {
8975 board[fromY][fromX] = EmptySquare;
8976 board[toY][toX] = WhitePawn;
8977 captured = board[toY - 1][toX];
8978 board[toY - 1][toX] = EmptySquare;
8979 } else if ((fromY == BOARD_HEIGHT-4)
8981 && gameInfo.variant == VariantBerolina
8982 && (board[fromY][fromX] == WhitePawn)
8983 && (board[toY][toX] == EmptySquare)) {
8984 board[fromY][fromX] = EmptySquare;
8985 board[toY][toX] = WhitePawn;
8986 if(oldEP & EP_BEROLIN_A) {
8987 captured = board[fromY][fromX-1];
8988 board[fromY][fromX-1] = EmptySquare;
8989 }else{ captured = board[fromY][fromX+1];
8990 board[fromY][fromX+1] = EmptySquare;
8992 } else if (board[fromY][fromX] == king
8993 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8994 && toY == fromY && toX > fromX+1) {
8995 board[fromY][fromX] = EmptySquare;
8996 board[toY][toX] = king;
8997 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8998 board[fromY][BOARD_RGHT-1] = EmptySquare;
8999 } else if (board[fromY][fromX] == king
9000 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9001 && toY == fromY && toX < fromX-1) {
9002 board[fromY][fromX] = EmptySquare;
9003 board[toY][toX] = king;
9004 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9005 board[fromY][BOARD_LEFT] = EmptySquare;
9006 } else if (fromY == 7 && fromX == 3
9007 && board[fromY][fromX] == BlackKing
9008 && toY == 7 && toX == 5) {
9009 board[fromY][fromX] = EmptySquare;
9010 board[toY][toX] = BlackKing;
9011 board[fromY][7] = EmptySquare;
9012 board[toY][4] = BlackRook;
9013 } else if (fromY == 7 && fromX == 3
9014 && board[fromY][fromX] == BlackKing
9015 && toY == 7 && toX == 1) {
9016 board[fromY][fromX] = EmptySquare;
9017 board[toY][toX] = BlackKing;
9018 board[fromY][0] = EmptySquare;
9019 board[toY][2] = BlackRook;
9020 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9021 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9024 /* black pawn promotion */
9025 board[toY][toX] = CharToPiece(ToLower(promoChar));
9026 if (board[toY][toX] == EmptySquare) {
9027 board[toY][toX] = BlackQueen;
9029 if(gameInfo.variant==VariantBughouse ||
9030 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9031 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9032 board[fromY][fromX] = EmptySquare;
9033 } else if ((fromY == 3)
9035 && gameInfo.variant != VariantXiangqi
9036 && gameInfo.variant != VariantBerolina
9037 && (board[fromY][fromX] == BlackPawn)
9038 && (board[toY][toX] == EmptySquare)) {
9039 board[fromY][fromX] = EmptySquare;
9040 board[toY][toX] = BlackPawn;
9041 captured = board[toY + 1][toX];
9042 board[toY + 1][toX] = EmptySquare;
9043 } else if ((fromY == 3)
9045 && gameInfo.variant == VariantBerolina
9046 && (board[fromY][fromX] == BlackPawn)
9047 && (board[toY][toX] == EmptySquare)) {
9048 board[fromY][fromX] = EmptySquare;
9049 board[toY][toX] = BlackPawn;
9050 if(oldEP & EP_BEROLIN_A) {
9051 captured = board[fromY][fromX-1];
9052 board[fromY][fromX-1] = EmptySquare;
9053 }else{ captured = board[fromY][fromX+1];
9054 board[fromY][fromX+1] = EmptySquare;
9057 board[toY][toX] = board[fromY][fromX];
9058 board[fromY][fromX] = EmptySquare;
9062 if (gameInfo.holdingsWidth != 0) {
9064 /* !!A lot more code needs to be written to support holdings */
9065 /* [HGM] OK, so I have written it. Holdings are stored in the */
9066 /* penultimate board files, so they are automaticlly stored */
9067 /* in the game history. */
9068 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9069 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9070 /* Delete from holdings, by decreasing count */
9071 /* and erasing image if necessary */
9072 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9073 if(p < (int) BlackPawn) { /* white drop */
9074 p -= (int)WhitePawn;
9075 p = PieceToNumber((ChessSquare)p);
9076 if(p >= gameInfo.holdingsSize) p = 0;
9077 if(--board[p][BOARD_WIDTH-2] <= 0)
9078 board[p][BOARD_WIDTH-1] = EmptySquare;
9079 if((int)board[p][BOARD_WIDTH-2] < 0)
9080 board[p][BOARD_WIDTH-2] = 0;
9081 } else { /* black drop */
9082 p -= (int)BlackPawn;
9083 p = PieceToNumber((ChessSquare)p);
9084 if(p >= gameInfo.holdingsSize) p = 0;
9085 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9086 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9087 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9088 board[BOARD_HEIGHT-1-p][1] = 0;
9091 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9092 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9093 /* [HGM] holdings: Add to holdings, if holdings exist */
9094 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
9095 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9096 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9099 if (p >= (int) BlackPawn) {
9100 p -= (int)BlackPawn;
9101 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9102 /* in Shogi restore piece to its original first */
9103 captured = (ChessSquare) (DEMOTED captured);
9106 p = PieceToNumber((ChessSquare)p);
9107 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9108 board[p][BOARD_WIDTH-2]++;
9109 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9111 p -= (int)WhitePawn;
9112 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9113 captured = (ChessSquare) (DEMOTED captured);
9116 p = PieceToNumber((ChessSquare)p);
9117 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9118 board[BOARD_HEIGHT-1-p][1]++;
9119 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9122 } else if (gameInfo.variant == VariantAtomic) {
9123 if (captured != EmptySquare) {
9125 for (y = toY-1; y <= toY+1; y++) {
9126 for (x = toX-1; x <= toX+1; x++) {
9127 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9128 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9129 board[y][x] = EmptySquare;
9133 board[toY][toX] = EmptySquare;
9136 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9137 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9139 if(promoChar == '+') {
9140 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9141 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9142 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9143 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9145 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9146 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9147 // [HGM] superchess: take promotion piece out of holdings
9148 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9149 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9150 if(!--board[k][BOARD_WIDTH-2])
9151 board[k][BOARD_WIDTH-1] = EmptySquare;
9153 if(!--board[BOARD_HEIGHT-1-k][1])
9154 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9160 /* Updates forwardMostMove */
9162 MakeMove(fromX, fromY, toX, toY, promoChar)
9163 int fromX, fromY, toX, toY;
9166 // forwardMostMove++; // [HGM] bare: moved downstream
9168 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9169 int timeLeft; static int lastLoadFlag=0; int king, piece;
9170 piece = boards[forwardMostMove][fromY][fromX];
9171 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9172 if(gameInfo.variant == VariantKnightmate)
9173 king += (int) WhiteUnicorn - (int) WhiteKing;
9174 if(forwardMostMove == 0) {
9176 fprintf(serverMoves, "%s;", second.tidy);
9177 fprintf(serverMoves, "%s;", first.tidy);
9178 if(!blackPlaysFirst)
9179 fprintf(serverMoves, "%s;", second.tidy);
9180 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9181 lastLoadFlag = loadFlag;
9183 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9184 // print castling suffix
9185 if( toY == fromY && piece == king ) {
9187 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9189 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9192 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9193 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9194 boards[forwardMostMove][toY][toX] == EmptySquare
9195 && fromX != toX && fromY != toY)
9196 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9198 if(promoChar != NULLCHAR)
9199 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9201 fprintf(serverMoves, "/%d/%d",
9202 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9203 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9204 else timeLeft = blackTimeRemaining/1000;
9205 fprintf(serverMoves, "/%d", timeLeft);
9207 fflush(serverMoves);
9210 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9211 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9215 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9216 if (commentList[forwardMostMove+1] != NULL) {
9217 free(commentList[forwardMostMove+1]);
9218 commentList[forwardMostMove+1] = NULL;
9220 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9221 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9222 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9223 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9224 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9225 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9226 gameInfo.result = GameUnfinished;
9227 if (gameInfo.resultDetails != NULL) {
9228 free(gameInfo.resultDetails);
9229 gameInfo.resultDetails = NULL;
9231 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9232 moveList[forwardMostMove - 1]);
9233 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9234 PosFlags(forwardMostMove - 1),
9235 fromY, fromX, toY, toX, promoChar,
9236 parseList[forwardMostMove - 1]);
9237 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9243 if(gameInfo.variant != VariantShogi)
9244 strcat(parseList[forwardMostMove - 1], "+");
9248 strcat(parseList[forwardMostMove - 1], "#");
9251 if (appData.debugMode) {
9252 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9257 /* Updates currentMove if not pausing */
9259 ShowMove(fromX, fromY, toX, toY)
9261 int instant = (gameMode == PlayFromGameFile) ?
9262 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9263 if(appData.noGUI) return;
9264 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9266 if (forwardMostMove == currentMove + 1) {
9267 AnimateMove(boards[forwardMostMove - 1],
9268 fromX, fromY, toX, toY);
9270 if (appData.highlightLastMove) {
9271 SetHighlights(fromX, fromY, toX, toY);
9274 currentMove = forwardMostMove;
9277 if (instant) return;
9279 DisplayMove(currentMove - 1);
9280 DrawPosition(FALSE, boards[currentMove]);
9281 DisplayBothClocks();
9282 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9283 DisplayBook(currentMove);
9286 void SendEgtPath(ChessProgramState *cps)
9287 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9288 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9290 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9293 char c, *q = name+1, *r, *s;
9295 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9296 while(*p && *p != ',') *q++ = *p++;
9298 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9299 strcmp(name, ",nalimov:") == 0 ) {
9300 // take nalimov path from the menu-changeable option first, if it is defined
9301 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9302 SendToProgram(buf,cps); // send egtbpath command for nalimov
9304 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9305 (s = StrStr(appData.egtFormats, name)) != NULL) {
9306 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9307 s = r = StrStr(s, ":") + 1; // beginning of path info
9308 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9309 c = *r; *r = 0; // temporarily null-terminate path info
9310 *--q = 0; // strip of trailig ':' from name
9311 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9313 SendToProgram(buf,cps); // send egtbpath command for this format
9315 if(*p == ',') p++; // read away comma to position for next format name
9320 InitChessProgram(cps, setup)
9321 ChessProgramState *cps;
9322 int setup; /* [HGM] needed to setup FRC opening position */
9324 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9325 if (appData.noChessProgram) return;
9326 hintRequested = FALSE;
9327 bookRequested = FALSE;
9329 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9330 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9331 if(cps->memSize) { /* [HGM] memory */
9332 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9333 SendToProgram(buf, cps);
9335 SendEgtPath(cps); /* [HGM] EGT */
9336 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9337 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9338 SendToProgram(buf, cps);
9341 SendToProgram(cps->initString, cps);
9342 if (gameInfo.variant != VariantNormal &&
9343 gameInfo.variant != VariantLoadable
9344 /* [HGM] also send variant if board size non-standard */
9345 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9347 char *v = VariantName(gameInfo.variant);
9348 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9349 /* [HGM] in protocol 1 we have to assume all variants valid */
9350 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9351 DisplayFatalError(buf, 0, 1);
9355 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9356 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9357 if( gameInfo.variant == VariantXiangqi )
9358 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9359 if( gameInfo.variant == VariantShogi )
9360 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9361 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9362 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9363 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9364 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9365 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9366 if( gameInfo.variant == VariantCourier )
9367 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9368 if( gameInfo.variant == VariantSuper )
9369 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9370 if( gameInfo.variant == VariantGreat )
9371 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9372 if( gameInfo.variant == VariantSChess )
9373 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9376 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9377 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9378 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9379 if(StrStr(cps->variants, b) == NULL) {
9380 // specific sized variant not known, check if general sizing allowed
9381 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9382 if(StrStr(cps->variants, "boardsize") == NULL) {
9383 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9384 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9385 DisplayFatalError(buf, 0, 1);
9388 /* [HGM] here we really should compare with the maximum supported board size */
9391 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9392 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9393 SendToProgram(buf, cps);
9395 currentlyInitializedVariant = gameInfo.variant;
9397 /* [HGM] send opening position in FRC to first engine */
9399 SendToProgram("force\n", cps);
9401 /* engine is now in force mode! Set flag to wake it up after first move. */
9402 setboardSpoiledMachineBlack = 1;
9406 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9407 SendToProgram(buf, cps);
9409 cps->maybeThinking = FALSE;
9410 cps->offeredDraw = 0;
9411 if (!appData.icsActive) {
9412 SendTimeControl(cps, movesPerSession, timeControl,
9413 timeIncrement, appData.searchDepth,
9416 if (appData.showThinking
9417 // [HGM] thinking: four options require thinking output to be sent
9418 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9420 SendToProgram("post\n", cps);
9422 SendToProgram("hard\n", cps);
9423 if (!appData.ponderNextMove) {
9424 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9425 it without being sure what state we are in first. "hard"
9426 is not a toggle, so that one is OK.
9428 SendToProgram("easy\n", cps);
9431 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9432 SendToProgram(buf, cps);
9434 cps->initDone = TRUE;
9439 StartChessProgram(cps)
9440 ChessProgramState *cps;
9445 if (appData.noChessProgram) return;
9446 cps->initDone = FALSE;
9448 if (strcmp(cps->host, "localhost") == 0) {
9449 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9450 } else if (*appData.remoteShell == NULLCHAR) {
9451 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9453 if (*appData.remoteUser == NULLCHAR) {
9454 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9457 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9458 cps->host, appData.remoteUser, cps->program);
9460 err = StartChildProcess(buf, "", &cps->pr);
9464 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9465 DisplayFatalError(buf, err, 1);
9471 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9472 if (cps->protocolVersion > 1) {
9473 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9474 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9475 cps->comboCnt = 0; // and values of combo boxes
9476 SendToProgram(buf, cps);
9478 SendToProgram("xboard\n", cps);
9483 TwoMachinesEventIfReady P((void))
9485 static int curMess = 0;
9486 if (first.lastPing != first.lastPong) {
9487 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9488 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9491 if (second.lastPing != second.lastPong) {
9492 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9493 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9496 DisplayMessage("", ""); curMess = 0;
9502 CreateTourney(char *name)
9505 if(name[0] == NULLCHAR) return 0;
9506 f = fopen(appData.tourneyFile, "r");
9507 if(f) { // file exists
9508 ParseArgsFromFile(f); // parse it
9510 f = fopen(appData.tourneyFile, "w");
9511 if(f == NULL) { DisplayError("Could not write on tourney file", 0); return 0; } else {
9512 // create a file with tournament description
9513 fprintf(f, "-participants {%s}\n", appData.participants);
9514 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9515 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9516 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9517 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9518 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9519 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9520 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9521 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9522 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9523 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9524 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9526 fprintf(f, "-searchTime \"%s\"\n", appData.searchTime);
9528 fprintf(f, "-mps %d\n", appData.movesPerSession);
9529 fprintf(f, "-tc %s\n", appData.timeControl);
9530 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9532 fprintf(f, "-results \"\"\n");
9536 appData.noChessProgram = FALSE;
9537 appData.clockMode = TRUE;
9542 #define MAXENGINES 1000
9543 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9545 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9547 char buf[MSG_SIZ], *p, *q;
9551 while(*p && *p != '\n') *q++ = *p++;
9553 if(engineList[i]) free(engineList[i]);
9554 engineList[i] = strdup(buf);
9556 TidyProgramName(engineList[i], "localhost", buf);
9557 if(engineMnemonic[i]) free(engineMnemonic[i]);
9558 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9560 sscanf(q + 8, "%s", buf + strlen(buf));
9563 engineMnemonic[i] = strdup(buf);
9565 if(i > MAXENGINES - 2) break;
9567 engineList[i] = NULL;
9570 // following implemented as macro to avoid type limitations
9571 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9573 void SwapEngines(int n)
9574 { // swap settings for first engine and other engine (so far only some selected options)
9579 SWAP(chessProgram, p)
9581 SWAP(hasOwnBookUCI, h)
9582 SWAP(protocolVersion, h)
9584 SWAP(scoreIsAbsolute, h)
9591 SetPlayer(int player)
9592 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9594 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9595 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9596 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9597 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9599 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9600 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9601 ParseArgsFromString(buf);
9607 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9608 { // determine players from game number
9609 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle, pairingsPerRound;
9611 if(appData.tourneyType == 0) {
9612 roundsPerCycle = (nPlayers - 1) | 1;
9613 pairingsPerRound = nPlayers / 2;
9614 } else if(appData.tourneyType > 0) {
9615 roundsPerCycle = nPlayers - appData.tourneyType;
9616 pairingsPerRound = appData.tourneyType;
9618 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9619 gamesPerCycle = gamesPerRound * roundsPerCycle;
9620 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9621 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9622 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9623 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9624 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9625 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9627 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9628 if(appData.roundSync) *syncInterval = gamesPerRound;
9630 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9632 if(appData.tourneyType == 0) {
9633 if(curPairing == (nPlayers-1)/2 ) {
9634 *whitePlayer = curRound;
9635 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9637 *whitePlayer = curRound - pairingsPerRound + curPairing;
9638 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9639 *blackPlayer = curRound + pairingsPerRound - curPairing;
9640 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9642 } else if(appData.tourneyType > 0) {
9643 *whitePlayer = curPairing;
9644 *blackPlayer = curRound + appData.tourneyType;
9647 // take care of white/black alternation per round.
9648 // For cycles and games this is already taken care of by default, derived from matchGame!
9649 return curRound & 1;
9653 NextTourneyGame(int nr, int *swapColors)
9654 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9656 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers=0;
9658 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9659 tf = fopen(appData.tourneyFile, "r");
9660 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9661 ParseArgsFromFile(tf); fclose(tf);
9662 InitTimeControls(); // TC might be altered from tourney file
9664 p = appData.participants;
9665 while(p = strchr(p, '\n')) p++, nPlayers++; // count participants
9666 *swapColors = Pairing(nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9669 p = q = appData.results;
9670 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9671 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9672 DisplayMessage(_("Waiting for other game(s)"),"");
9673 waitingForGame = TRUE;
9674 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9677 waitingForGame = FALSE;
9680 if(first.pr != NoProc) return 1; // engines already loaded
9682 // redefine engines, engine dir, etc.
9683 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9684 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9686 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9687 SwapEngines(1); // and make that valid for second engine by swapping
9688 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9689 InitEngine(&second, 1);
9690 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9696 { // performs game initialization that does not invoke engines, and then tries to start the game
9697 int firstWhite, swapColors = 0;
9698 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9699 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9700 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9701 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9702 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9703 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9704 Reset(FALSE, first.pr != NoProc);
9705 appData.noChessProgram = FALSE;
9706 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9710 void UserAdjudicationEvent( int result )
9712 ChessMove gameResult = GameIsDrawn;
9715 gameResult = WhiteWins;
9717 else if( result < 0 ) {
9718 gameResult = BlackWins;
9721 if( gameMode == TwoMachinesPlay ) {
9722 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9727 // [HGM] save: calculate checksum of game to make games easily identifiable
9728 int StringCheckSum(char *s)
9731 if(s==NULL) return 0;
9732 while(*s) i = i*259 + *s++;
9739 for(i=backwardMostMove; i<forwardMostMove; i++) {
9740 sum += pvInfoList[i].depth;
9741 sum += StringCheckSum(parseList[i]);
9742 sum += StringCheckSum(commentList[i]);
9745 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9746 return sum + StringCheckSum(commentList[i]);
9747 } // end of save patch
9750 GameEnds(result, resultDetails, whosays)
9752 char *resultDetails;
9755 GameMode nextGameMode;
9757 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9759 if(endingGame) return; /* [HGM] crash: forbid recursion */
9761 if(twoBoards) { // [HGM] dual: switch back to one board
9762 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9763 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9765 if (appData.debugMode) {
9766 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9767 result, resultDetails ? resultDetails : "(null)", whosays);
9770 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9772 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9773 /* If we are playing on ICS, the server decides when the
9774 game is over, but the engine can offer to draw, claim
9778 if (appData.zippyPlay && first.initDone) {
9779 if (result == GameIsDrawn) {
9780 /* In case draw still needs to be claimed */
9781 SendToICS(ics_prefix);
9782 SendToICS("draw\n");
9783 } else if (StrCaseStr(resultDetails, "resign")) {
9784 SendToICS(ics_prefix);
9785 SendToICS("resign\n");
9789 endingGame = 0; /* [HGM] crash */
9793 /* If we're loading the game from a file, stop */
9794 if (whosays == GE_FILE) {
9795 (void) StopLoadGameTimer();
9799 /* Cancel draw offers */
9800 first.offeredDraw = second.offeredDraw = 0;
9802 /* If this is an ICS game, only ICS can really say it's done;
9803 if not, anyone can. */
9804 isIcsGame = (gameMode == IcsPlayingWhite ||
9805 gameMode == IcsPlayingBlack ||
9806 gameMode == IcsObserving ||
9807 gameMode == IcsExamining);
9809 if (!isIcsGame || whosays == GE_ICS) {
9810 /* OK -- not an ICS game, or ICS said it was done */
9812 if (!isIcsGame && !appData.noChessProgram)
9813 SetUserThinkingEnables();
9815 /* [HGM] if a machine claims the game end we verify this claim */
9816 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9817 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9819 ChessMove trueResult = (ChessMove) -1;
9821 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9822 first.twoMachinesColor[0] :
9823 second.twoMachinesColor[0] ;
9825 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9826 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9827 /* [HGM] verify: engine mate claims accepted if they were flagged */
9828 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9830 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9831 /* [HGM] verify: engine mate claims accepted if they were flagged */
9832 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9834 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9835 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9838 // now verify win claims, but not in drop games, as we don't understand those yet
9839 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9840 || gameInfo.variant == VariantGreat) &&
9841 (result == WhiteWins && claimer == 'w' ||
9842 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9843 if (appData.debugMode) {
9844 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9845 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9847 if(result != trueResult) {
9848 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9849 result = claimer == 'w' ? BlackWins : WhiteWins;
9850 resultDetails = buf;
9853 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9854 && (forwardMostMove <= backwardMostMove ||
9855 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9856 (claimer=='b')==(forwardMostMove&1))
9858 /* [HGM] verify: draws that were not flagged are false claims */
9859 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9860 result = claimer == 'w' ? BlackWins : WhiteWins;
9861 resultDetails = buf;
9863 /* (Claiming a loss is accepted no questions asked!) */
9865 /* [HGM] bare: don't allow bare King to win */
9866 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9867 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9868 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9869 && result != GameIsDrawn)
9870 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9871 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9872 int p = (signed char)boards[forwardMostMove][i][j] - color;
9873 if(p >= 0 && p <= (int)WhiteKing) k++;
9875 if (appData.debugMode) {
9876 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9877 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9880 result = GameIsDrawn;
9881 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9882 resultDetails = buf;
9888 if(serverMoves != NULL && !loadFlag) { char c = '=';
9889 if(result==WhiteWins) c = '+';
9890 if(result==BlackWins) c = '-';
9891 if(resultDetails != NULL)
9892 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9894 if (resultDetails != NULL) {
9895 gameInfo.result = result;
9896 gameInfo.resultDetails = StrSave(resultDetails);
9898 /* display last move only if game was not loaded from file */
9899 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9900 DisplayMove(currentMove - 1);
9902 if (forwardMostMove != 0) {
9903 if (gameMode != PlayFromGameFile && gameMode != EditGame
9904 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9906 if (*appData.saveGameFile != NULLCHAR) {
9907 SaveGameToFile(appData.saveGameFile, TRUE);
9908 } else if (appData.autoSaveGames) {
9911 if (*appData.savePositionFile != NULLCHAR) {
9912 SavePositionToFile(appData.savePositionFile);
9917 /* Tell program how game ended in case it is learning */
9918 /* [HGM] Moved this to after saving the PGN, just in case */
9919 /* engine died and we got here through time loss. In that */
9920 /* case we will get a fatal error writing the pipe, which */
9921 /* would otherwise lose us the PGN. */
9922 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9923 /* output during GameEnds should never be fatal anymore */
9924 if (gameMode == MachinePlaysWhite ||
9925 gameMode == MachinePlaysBlack ||
9926 gameMode == TwoMachinesPlay ||
9927 gameMode == IcsPlayingWhite ||
9928 gameMode == IcsPlayingBlack ||
9929 gameMode == BeginningOfGame) {
9931 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9933 if (first.pr != NoProc) {
9934 SendToProgram(buf, &first);
9936 if (second.pr != NoProc &&
9937 gameMode == TwoMachinesPlay) {
9938 SendToProgram(buf, &second);
9943 if (appData.icsActive) {
9944 if (appData.quietPlay &&
9945 (gameMode == IcsPlayingWhite ||
9946 gameMode == IcsPlayingBlack)) {
9947 SendToICS(ics_prefix);
9948 SendToICS("set shout 1\n");
9950 nextGameMode = IcsIdle;
9951 ics_user_moved = FALSE;
9952 /* clean up premove. It's ugly when the game has ended and the
9953 * premove highlights are still on the board.
9957 ClearPremoveHighlights();
9958 DrawPosition(FALSE, boards[currentMove]);
9960 if (whosays == GE_ICS) {
9963 if (gameMode == IcsPlayingWhite)
9965 else if(gameMode == IcsPlayingBlack)
9969 if (gameMode == IcsPlayingBlack)
9971 else if(gameMode == IcsPlayingWhite)
9978 PlayIcsUnfinishedSound();
9981 } else if (gameMode == EditGame ||
9982 gameMode == PlayFromGameFile ||
9983 gameMode == AnalyzeMode ||
9984 gameMode == AnalyzeFile) {
9985 nextGameMode = gameMode;
9987 nextGameMode = EndOfGame;
9992 nextGameMode = gameMode;
9995 if (appData.noChessProgram) {
9996 gameMode = nextGameMode;
9998 endingGame = 0; /* [HGM] crash */
10003 /* Put first chess program into idle state */
10004 if (first.pr != NoProc &&
10005 (gameMode == MachinePlaysWhite ||
10006 gameMode == MachinePlaysBlack ||
10007 gameMode == TwoMachinesPlay ||
10008 gameMode == IcsPlayingWhite ||
10009 gameMode == IcsPlayingBlack ||
10010 gameMode == BeginningOfGame)) {
10011 SendToProgram("force\n", &first);
10012 if (first.usePing) {
10014 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10015 SendToProgram(buf, &first);
10018 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10019 /* Kill off first chess program */
10020 if (first.isr != NULL)
10021 RemoveInputSource(first.isr);
10024 if (first.pr != NoProc) {
10026 DoSleep( appData.delayBeforeQuit );
10027 SendToProgram("quit\n", &first);
10028 DoSleep( appData.delayAfterQuit );
10029 DestroyChildProcess(first.pr, first.useSigterm);
10033 if (second.reuse) {
10034 /* Put second chess program into idle state */
10035 if (second.pr != NoProc &&
10036 gameMode == TwoMachinesPlay) {
10037 SendToProgram("force\n", &second);
10038 if (second.usePing) {
10040 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10041 SendToProgram(buf, &second);
10044 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10045 /* Kill off second chess program */
10046 if (second.isr != NULL)
10047 RemoveInputSource(second.isr);
10050 if (second.pr != NoProc) {
10051 DoSleep( appData.delayBeforeQuit );
10052 SendToProgram("quit\n", &second);
10053 DoSleep( appData.delayAfterQuit );
10054 DestroyChildProcess(second.pr, second.useSigterm);
10056 second.pr = NoProc;
10059 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10060 char resChar = '=';
10064 if (first.twoMachinesColor[0] == 'w') {
10067 second.matchWins++;
10072 if (first.twoMachinesColor[0] == 'b') {
10075 second.matchWins++;
10078 case GameUnfinished:
10084 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10085 if(appData.tourneyFile[0] && !abortMatch){ // [HGM] we are in a tourney; update tourney file with game result
10086 ReserveGame(nextGame, resChar); // sets nextGame
10087 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10088 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10090 if (nextGame <= appData.matchGames && !abortMatch) {
10091 gameMode = nextGameMode;
10092 matchGame = nextGame; // this will be overruled in tourney mode!
10093 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10094 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10095 endingGame = 0; /* [HGM] crash */
10098 gameMode = nextGameMode;
10099 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10100 first.tidy, second.tidy,
10101 first.matchWins, second.matchWins,
10102 appData.matchGames - (first.matchWins + second.matchWins));
10103 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10104 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10105 first.twoMachinesColor = "black\n";
10106 second.twoMachinesColor = "white\n";
10108 first.twoMachinesColor = "white\n";
10109 second.twoMachinesColor = "black\n";
10113 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10114 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10116 gameMode = nextGameMode;
10118 endingGame = 0; /* [HGM] crash */
10119 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10120 if(matchMode == TRUE) { // match through command line: exit with or without popup
10122 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10124 } else DisplayFatalError(buf, 0, 0);
10125 } else { // match through menu; just stop, with or without popup
10126 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10128 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10129 } else DisplayNote(buf);
10131 if(ranking) free(ranking);
10135 /* Assumes program was just initialized (initString sent).
10136 Leaves program in force mode. */
10138 FeedMovesToProgram(cps, upto)
10139 ChessProgramState *cps;
10144 if (appData.debugMode)
10145 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10146 startedFromSetupPosition ? "position and " : "",
10147 backwardMostMove, upto, cps->which);
10148 if(currentlyInitializedVariant != gameInfo.variant) {
10150 // [HGM] variantswitch: make engine aware of new variant
10151 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10152 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10153 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10154 SendToProgram(buf, cps);
10155 currentlyInitializedVariant = gameInfo.variant;
10157 SendToProgram("force\n", cps);
10158 if (startedFromSetupPosition) {
10159 SendBoard(cps, backwardMostMove);
10160 if (appData.debugMode) {
10161 fprintf(debugFP, "feedMoves\n");
10164 for (i = backwardMostMove; i < upto; i++) {
10165 SendMoveToProgram(i, cps);
10171 ResurrectChessProgram()
10173 /* The chess program may have exited.
10174 If so, restart it and feed it all the moves made so far. */
10175 static int doInit = 0;
10177 if (appData.noChessProgram) return 1;
10179 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10180 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10181 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10182 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10184 if (first.pr != NoProc) return 1;
10185 StartChessProgram(&first);
10187 InitChessProgram(&first, FALSE);
10188 FeedMovesToProgram(&first, currentMove);
10190 if (!first.sendTime) {
10191 /* can't tell gnuchess what its clock should read,
10192 so we bow to its notion. */
10194 timeRemaining[0][currentMove] = whiteTimeRemaining;
10195 timeRemaining[1][currentMove] = blackTimeRemaining;
10198 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10199 appData.icsEngineAnalyze) && first.analysisSupport) {
10200 SendToProgram("analyze\n", &first);
10201 first.analyzing = TRUE;
10207 * Button procedures
10210 Reset(redraw, init)
10215 if (appData.debugMode) {
10216 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10217 redraw, init, gameMode);
10219 CleanupTail(); // [HGM] vari: delete any stored variations
10220 pausing = pauseExamInvalid = FALSE;
10221 startedFromSetupPosition = blackPlaysFirst = FALSE;
10223 whiteFlag = blackFlag = FALSE;
10224 userOfferedDraw = FALSE;
10225 hintRequested = bookRequested = FALSE;
10226 first.maybeThinking = FALSE;
10227 second.maybeThinking = FALSE;
10228 first.bookSuspend = FALSE; // [HGM] book
10229 second.bookSuspend = FALSE;
10230 thinkOutput[0] = NULLCHAR;
10231 lastHint[0] = NULLCHAR;
10232 ClearGameInfo(&gameInfo);
10233 gameInfo.variant = StringToVariant(appData.variant);
10234 ics_user_moved = ics_clock_paused = FALSE;
10235 ics_getting_history = H_FALSE;
10237 white_holding[0] = black_holding[0] = NULLCHAR;
10238 ClearProgramStats();
10239 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10243 flipView = appData.flipView;
10244 ClearPremoveHighlights();
10245 gotPremove = FALSE;
10246 alarmSounded = FALSE;
10248 GameEnds(EndOfFile, NULL, GE_PLAYER);
10249 if(appData.serverMovesName != NULL) {
10250 /* [HGM] prepare to make moves file for broadcasting */
10251 clock_t t = clock();
10252 if(serverMoves != NULL) fclose(serverMoves);
10253 serverMoves = fopen(appData.serverMovesName, "r");
10254 if(serverMoves != NULL) {
10255 fclose(serverMoves);
10256 /* delay 15 sec before overwriting, so all clients can see end */
10257 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10259 serverMoves = fopen(appData.serverMovesName, "w");
10263 gameMode = BeginningOfGame;
10265 if(appData.icsActive) gameInfo.variant = VariantNormal;
10266 currentMove = forwardMostMove = backwardMostMove = 0;
10267 InitPosition(redraw);
10268 for (i = 0; i < MAX_MOVES; i++) {
10269 if (commentList[i] != NULL) {
10270 free(commentList[i]);
10271 commentList[i] = NULL;
10275 timeRemaining[0][0] = whiteTimeRemaining;
10276 timeRemaining[1][0] = blackTimeRemaining;
10278 if (first.pr == NULL) {
10279 StartChessProgram(&first);
10282 InitChessProgram(&first, startedFromSetupPosition);
10285 DisplayMessage("", "");
10286 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10287 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10294 if (!AutoPlayOneMove())
10296 if (matchMode || appData.timeDelay == 0)
10298 if (appData.timeDelay < 0)
10300 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10309 int fromX, fromY, toX, toY;
10311 if (appData.debugMode) {
10312 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10315 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10318 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10319 pvInfoList[currentMove].depth = programStats.depth;
10320 pvInfoList[currentMove].score = programStats.score;
10321 pvInfoList[currentMove].time = 0;
10322 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10325 if (currentMove >= forwardMostMove) {
10326 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10327 gameMode = EditGame;
10330 /* [AS] Clear current move marker at the end of a game */
10331 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10336 toX = moveList[currentMove][2] - AAA;
10337 toY = moveList[currentMove][3] - ONE;
10339 if (moveList[currentMove][1] == '@') {
10340 if (appData.highlightLastMove) {
10341 SetHighlights(-1, -1, toX, toY);
10344 fromX = moveList[currentMove][0] - AAA;
10345 fromY = moveList[currentMove][1] - ONE;
10347 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10349 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10351 if (appData.highlightLastMove) {
10352 SetHighlights(fromX, fromY, toX, toY);
10355 DisplayMove(currentMove);
10356 SendMoveToProgram(currentMove++, &first);
10357 DisplayBothClocks();
10358 DrawPosition(FALSE, boards[currentMove]);
10359 // [HGM] PV info: always display, routine tests if empty
10360 DisplayComment(currentMove - 1, commentList[currentMove]);
10366 LoadGameOneMove(readAhead)
10367 ChessMove readAhead;
10369 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10370 char promoChar = NULLCHAR;
10371 ChessMove moveType;
10372 char move[MSG_SIZ];
10375 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10376 gameMode != AnalyzeMode && gameMode != Training) {
10381 yyboardindex = forwardMostMove;
10382 if (readAhead != EndOfFile) {
10383 moveType = readAhead;
10385 if (gameFileFP == NULL)
10387 moveType = (ChessMove) Myylex();
10391 switch (moveType) {
10393 if (appData.debugMode)
10394 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10397 /* append the comment but don't display it */
10398 AppendComment(currentMove, p, FALSE);
10401 case WhiteCapturesEnPassant:
10402 case BlackCapturesEnPassant:
10403 case WhitePromotion:
10404 case BlackPromotion:
10405 case WhiteNonPromotion:
10406 case BlackNonPromotion:
10408 case WhiteKingSideCastle:
10409 case WhiteQueenSideCastle:
10410 case BlackKingSideCastle:
10411 case BlackQueenSideCastle:
10412 case WhiteKingSideCastleWild:
10413 case WhiteQueenSideCastleWild:
10414 case BlackKingSideCastleWild:
10415 case BlackQueenSideCastleWild:
10417 case WhiteHSideCastleFR:
10418 case WhiteASideCastleFR:
10419 case BlackHSideCastleFR:
10420 case BlackASideCastleFR:
10422 if (appData.debugMode)
10423 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10424 fromX = currentMoveString[0] - AAA;
10425 fromY = currentMoveString[1] - ONE;
10426 toX = currentMoveString[2] - AAA;
10427 toY = currentMoveString[3] - ONE;
10428 promoChar = currentMoveString[4];
10433 if (appData.debugMode)
10434 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10435 fromX = moveType == WhiteDrop ?
10436 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10437 (int) CharToPiece(ToLower(currentMoveString[0]));
10439 toX = currentMoveString[2] - AAA;
10440 toY = currentMoveString[3] - ONE;
10446 case GameUnfinished:
10447 if (appData.debugMode)
10448 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10449 p = strchr(yy_text, '{');
10450 if (p == NULL) p = strchr(yy_text, '(');
10453 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10455 q = strchr(p, *p == '{' ? '}' : ')');
10456 if (q != NULL) *q = NULLCHAR;
10459 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10460 GameEnds(moveType, p, GE_FILE);
10462 if (cmailMsgLoaded) {
10464 flipView = WhiteOnMove(currentMove);
10465 if (moveType == GameUnfinished) flipView = !flipView;
10466 if (appData.debugMode)
10467 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10472 if (appData.debugMode)
10473 fprintf(debugFP, "Parser hit end of file\n");
10474 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10480 if (WhiteOnMove(currentMove)) {
10481 GameEnds(BlackWins, "Black mates", GE_FILE);
10483 GameEnds(WhiteWins, "White mates", GE_FILE);
10487 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10493 case MoveNumberOne:
10494 if (lastLoadGameStart == GNUChessGame) {
10495 /* GNUChessGames have numbers, but they aren't move numbers */
10496 if (appData.debugMode)
10497 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10498 yy_text, (int) moveType);
10499 return LoadGameOneMove(EndOfFile); /* tail recursion */
10501 /* else fall thru */
10506 /* Reached start of next game in file */
10507 if (appData.debugMode)
10508 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10509 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10515 if (WhiteOnMove(currentMove)) {
10516 GameEnds(BlackWins, "Black mates", GE_FILE);
10518 GameEnds(WhiteWins, "White mates", GE_FILE);
10522 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10528 case PositionDiagram: /* should not happen; ignore */
10529 case ElapsedTime: /* ignore */
10530 case NAG: /* ignore */
10531 if (appData.debugMode)
10532 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10533 yy_text, (int) moveType);
10534 return LoadGameOneMove(EndOfFile); /* tail recursion */
10537 if (appData.testLegality) {
10538 if (appData.debugMode)
10539 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10540 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10541 (forwardMostMove / 2) + 1,
10542 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10543 DisplayError(move, 0);
10546 if (appData.debugMode)
10547 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10548 yy_text, currentMoveString);
10549 fromX = currentMoveString[0] - AAA;
10550 fromY = currentMoveString[1] - ONE;
10551 toX = currentMoveString[2] - AAA;
10552 toY = currentMoveString[3] - ONE;
10553 promoChar = currentMoveString[4];
10557 case AmbiguousMove:
10558 if (appData.debugMode)
10559 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10560 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10561 (forwardMostMove / 2) + 1,
10562 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10563 DisplayError(move, 0);
10568 case ImpossibleMove:
10569 if (appData.debugMode)
10570 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10571 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10572 (forwardMostMove / 2) + 1,
10573 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10574 DisplayError(move, 0);
10580 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10581 DrawPosition(FALSE, boards[currentMove]);
10582 DisplayBothClocks();
10583 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10584 DisplayComment(currentMove - 1, commentList[currentMove]);
10586 (void) StopLoadGameTimer();
10588 cmailOldMove = forwardMostMove;
10591 /* currentMoveString is set as a side-effect of yylex */
10593 thinkOutput[0] = NULLCHAR;
10594 MakeMove(fromX, fromY, toX, toY, promoChar);
10595 currentMove = forwardMostMove;
10600 /* Load the nth game from the given file */
10602 LoadGameFromFile(filename, n, title, useList)
10606 /*Boolean*/ int useList;
10611 if (strcmp(filename, "-") == 0) {
10615 f = fopen(filename, "rb");
10617 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10618 DisplayError(buf, errno);
10622 if (fseek(f, 0, 0) == -1) {
10623 /* f is not seekable; probably a pipe */
10626 if (useList && n == 0) {
10627 int error = GameListBuild(f);
10629 DisplayError(_("Cannot build game list"), error);
10630 } else if (!ListEmpty(&gameList) &&
10631 ((ListGame *) gameList.tailPred)->number > 1) {
10632 GameListPopUp(f, title);
10639 return LoadGame(f, n, title, FALSE);
10644 MakeRegisteredMove()
10646 int fromX, fromY, toX, toY;
10648 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10649 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10652 if (appData.debugMode)
10653 fprintf(debugFP, "Restoring %s for game %d\n",
10654 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10656 thinkOutput[0] = NULLCHAR;
10657 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10658 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10659 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10660 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10661 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10662 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10663 MakeMove(fromX, fromY, toX, toY, promoChar);
10664 ShowMove(fromX, fromY, toX, toY);
10666 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10673 if (WhiteOnMove(currentMove)) {
10674 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10676 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10681 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10688 if (WhiteOnMove(currentMove)) {
10689 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10691 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10696 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10707 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10709 CmailLoadGame(f, gameNumber, title, useList)
10717 if (gameNumber > nCmailGames) {
10718 DisplayError(_("No more games in this message"), 0);
10721 if (f == lastLoadGameFP) {
10722 int offset = gameNumber - lastLoadGameNumber;
10724 cmailMsg[0] = NULLCHAR;
10725 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10726 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10727 nCmailMovesRegistered--;
10729 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10730 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10731 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10734 if (! RegisterMove()) return FALSE;
10738 retVal = LoadGame(f, gameNumber, title, useList);
10740 /* Make move registered during previous look at this game, if any */
10741 MakeRegisteredMove();
10743 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10744 commentList[currentMove]
10745 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10746 DisplayComment(currentMove - 1, commentList[currentMove]);
10752 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10757 int gameNumber = lastLoadGameNumber + offset;
10758 if (lastLoadGameFP == NULL) {
10759 DisplayError(_("No game has been loaded yet"), 0);
10762 if (gameNumber <= 0) {
10763 DisplayError(_("Can't back up any further"), 0);
10766 if (cmailMsgLoaded) {
10767 return CmailLoadGame(lastLoadGameFP, gameNumber,
10768 lastLoadGameTitle, lastLoadGameUseList);
10770 return LoadGame(lastLoadGameFP, gameNumber,
10771 lastLoadGameTitle, lastLoadGameUseList);
10777 /* Load the nth game from open file f */
10779 LoadGame(f, gameNumber, title, useList)
10787 int gn = gameNumber;
10788 ListGame *lg = NULL;
10789 int numPGNTags = 0;
10791 GameMode oldGameMode;
10792 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10794 if (appData.debugMode)
10795 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10797 if (gameMode == Training )
10798 SetTrainingModeOff();
10800 oldGameMode = gameMode;
10801 if (gameMode != BeginningOfGame) {
10802 Reset(FALSE, TRUE);
10806 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10807 fclose(lastLoadGameFP);
10811 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10814 fseek(f, lg->offset, 0);
10815 GameListHighlight(gameNumber);
10819 DisplayError(_("Game number out of range"), 0);
10824 if (fseek(f, 0, 0) == -1) {
10825 if (f == lastLoadGameFP ?
10826 gameNumber == lastLoadGameNumber + 1 :
10830 DisplayError(_("Can't seek on game file"), 0);
10835 lastLoadGameFP = f;
10836 lastLoadGameNumber = gameNumber;
10837 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10838 lastLoadGameUseList = useList;
10842 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10843 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10844 lg->gameInfo.black);
10846 } else if (*title != NULLCHAR) {
10847 if (gameNumber > 1) {
10848 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10851 DisplayTitle(title);
10855 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10856 gameMode = PlayFromGameFile;
10860 currentMove = forwardMostMove = backwardMostMove = 0;
10861 CopyBoard(boards[0], initialPosition);
10865 * Skip the first gn-1 games in the file.
10866 * Also skip over anything that precedes an identifiable
10867 * start of game marker, to avoid being confused by
10868 * garbage at the start of the file. Currently
10869 * recognized start of game markers are the move number "1",
10870 * the pattern "gnuchess .* game", the pattern
10871 * "^[#;%] [^ ]* game file", and a PGN tag block.
10872 * A game that starts with one of the latter two patterns
10873 * will also have a move number 1, possibly
10874 * following a position diagram.
10875 * 5-4-02: Let's try being more lenient and allowing a game to
10876 * start with an unnumbered move. Does that break anything?
10878 cm = lastLoadGameStart = EndOfFile;
10880 yyboardindex = forwardMostMove;
10881 cm = (ChessMove) Myylex();
10884 if (cmailMsgLoaded) {
10885 nCmailGames = CMAIL_MAX_GAMES - gn;
10888 DisplayError(_("Game not found in file"), 0);
10895 lastLoadGameStart = cm;
10898 case MoveNumberOne:
10899 switch (lastLoadGameStart) {
10904 case MoveNumberOne:
10906 gn--; /* count this game */
10907 lastLoadGameStart = cm;
10916 switch (lastLoadGameStart) {
10919 case MoveNumberOne:
10921 gn--; /* count this game */
10922 lastLoadGameStart = cm;
10925 lastLoadGameStart = cm; /* game counted already */
10933 yyboardindex = forwardMostMove;
10934 cm = (ChessMove) Myylex();
10935 } while (cm == PGNTag || cm == Comment);
10942 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10943 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10944 != CMAIL_OLD_RESULT) {
10946 cmailResult[ CMAIL_MAX_GAMES
10947 - gn - 1] = CMAIL_OLD_RESULT;
10953 /* Only a NormalMove can be at the start of a game
10954 * without a position diagram. */
10955 if (lastLoadGameStart == EndOfFile ) {
10957 lastLoadGameStart = MoveNumberOne;
10966 if (appData.debugMode)
10967 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10969 if (cm == XBoardGame) {
10970 /* Skip any header junk before position diagram and/or move 1 */
10972 yyboardindex = forwardMostMove;
10973 cm = (ChessMove) Myylex();
10975 if (cm == EndOfFile ||
10976 cm == GNUChessGame || cm == XBoardGame) {
10977 /* Empty game; pretend end-of-file and handle later */
10982 if (cm == MoveNumberOne || cm == PositionDiagram ||
10983 cm == PGNTag || cm == Comment)
10986 } else if (cm == GNUChessGame) {
10987 if (gameInfo.event != NULL) {
10988 free(gameInfo.event);
10990 gameInfo.event = StrSave(yy_text);
10993 startedFromSetupPosition = FALSE;
10994 while (cm == PGNTag) {
10995 if (appData.debugMode)
10996 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10997 err = ParsePGNTag(yy_text, &gameInfo);
10998 if (!err) numPGNTags++;
11000 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11001 if(gameInfo.variant != oldVariant) {
11002 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11003 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11004 InitPosition(TRUE);
11005 oldVariant = gameInfo.variant;
11006 if (appData.debugMode)
11007 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11011 if (gameInfo.fen != NULL) {
11012 Board initial_position;
11013 startedFromSetupPosition = TRUE;
11014 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11016 DisplayError(_("Bad FEN position in file"), 0);
11019 CopyBoard(boards[0], initial_position);
11020 if (blackPlaysFirst) {
11021 currentMove = forwardMostMove = backwardMostMove = 1;
11022 CopyBoard(boards[1], initial_position);
11023 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11024 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11025 timeRemaining[0][1] = whiteTimeRemaining;
11026 timeRemaining[1][1] = blackTimeRemaining;
11027 if (commentList[0] != NULL) {
11028 commentList[1] = commentList[0];
11029 commentList[0] = NULL;
11032 currentMove = forwardMostMove = backwardMostMove = 0;
11034 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11036 initialRulePlies = FENrulePlies;
11037 for( i=0; i< nrCastlingRights; i++ )
11038 initialRights[i] = initial_position[CASTLING][i];
11040 yyboardindex = forwardMostMove;
11041 free(gameInfo.fen);
11042 gameInfo.fen = NULL;
11045 yyboardindex = forwardMostMove;
11046 cm = (ChessMove) Myylex();
11048 /* Handle comments interspersed among the tags */
11049 while (cm == Comment) {
11051 if (appData.debugMode)
11052 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11054 AppendComment(currentMove, p, FALSE);
11055 yyboardindex = forwardMostMove;
11056 cm = (ChessMove) Myylex();
11060 /* don't rely on existence of Event tag since if game was
11061 * pasted from clipboard the Event tag may not exist
11063 if (numPGNTags > 0){
11065 if (gameInfo.variant == VariantNormal) {
11066 VariantClass v = StringToVariant(gameInfo.event);
11067 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11068 if(v < VariantShogi) gameInfo.variant = v;
11071 if( appData.autoDisplayTags ) {
11072 tags = PGNTags(&gameInfo);
11073 TagsPopUp(tags, CmailMsg());
11078 /* Make something up, but don't display it now */
11083 if (cm == PositionDiagram) {
11086 Board initial_position;
11088 if (appData.debugMode)
11089 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11091 if (!startedFromSetupPosition) {
11093 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11094 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11105 initial_position[i][j++] = CharToPiece(*p);
11108 while (*p == ' ' || *p == '\t' ||
11109 *p == '\n' || *p == '\r') p++;
11111 if (strncmp(p, "black", strlen("black"))==0)
11112 blackPlaysFirst = TRUE;
11114 blackPlaysFirst = FALSE;
11115 startedFromSetupPosition = TRUE;
11117 CopyBoard(boards[0], initial_position);
11118 if (blackPlaysFirst) {
11119 currentMove = forwardMostMove = backwardMostMove = 1;
11120 CopyBoard(boards[1], initial_position);
11121 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11122 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11123 timeRemaining[0][1] = whiteTimeRemaining;
11124 timeRemaining[1][1] = blackTimeRemaining;
11125 if (commentList[0] != NULL) {
11126 commentList[1] = commentList[0];
11127 commentList[0] = NULL;
11130 currentMove = forwardMostMove = backwardMostMove = 0;
11133 yyboardindex = forwardMostMove;
11134 cm = (ChessMove) Myylex();
11137 if (first.pr == NoProc) {
11138 StartChessProgram(&first);
11140 InitChessProgram(&first, FALSE);
11141 SendToProgram("force\n", &first);
11142 if (startedFromSetupPosition) {
11143 SendBoard(&first, forwardMostMove);
11144 if (appData.debugMode) {
11145 fprintf(debugFP, "Load Game\n");
11147 DisplayBothClocks();
11150 /* [HGM] server: flag to write setup moves in broadcast file as one */
11151 loadFlag = appData.suppressLoadMoves;
11153 while (cm == Comment) {
11155 if (appData.debugMode)
11156 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11158 AppendComment(currentMove, p, FALSE);
11159 yyboardindex = forwardMostMove;
11160 cm = (ChessMove) Myylex();
11163 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11164 cm == WhiteWins || cm == BlackWins ||
11165 cm == GameIsDrawn || cm == GameUnfinished) {
11166 DisplayMessage("", _("No moves in game"));
11167 if (cmailMsgLoaded) {
11168 if (appData.debugMode)
11169 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11173 DrawPosition(FALSE, boards[currentMove]);
11174 DisplayBothClocks();
11175 gameMode = EditGame;
11182 // [HGM] PV info: routine tests if comment empty
11183 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11184 DisplayComment(currentMove - 1, commentList[currentMove]);
11186 if (!matchMode && appData.timeDelay != 0)
11187 DrawPosition(FALSE, boards[currentMove]);
11189 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11190 programStats.ok_to_send = 1;
11193 /* if the first token after the PGN tags is a move
11194 * and not move number 1, retrieve it from the parser
11196 if (cm != MoveNumberOne)
11197 LoadGameOneMove(cm);
11199 /* load the remaining moves from the file */
11200 while (LoadGameOneMove(EndOfFile)) {
11201 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11202 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11205 /* rewind to the start of the game */
11206 currentMove = backwardMostMove;
11208 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11210 if (oldGameMode == AnalyzeFile ||
11211 oldGameMode == AnalyzeMode) {
11212 AnalyzeFileEvent();
11215 if (matchMode || appData.timeDelay == 0) {
11217 gameMode = EditGame;
11219 } else if (appData.timeDelay > 0) {
11220 AutoPlayGameLoop();
11223 if (appData.debugMode)
11224 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11226 loadFlag = 0; /* [HGM] true game starts */
11230 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11232 ReloadPosition(offset)
11235 int positionNumber = lastLoadPositionNumber + offset;
11236 if (lastLoadPositionFP == NULL) {
11237 DisplayError(_("No position has been loaded yet"), 0);
11240 if (positionNumber <= 0) {
11241 DisplayError(_("Can't back up any further"), 0);
11244 return LoadPosition(lastLoadPositionFP, positionNumber,
11245 lastLoadPositionTitle);
11248 /* Load the nth position from the given file */
11250 LoadPositionFromFile(filename, n, title)
11258 if (strcmp(filename, "-") == 0) {
11259 return LoadPosition(stdin, n, "stdin");
11261 f = fopen(filename, "rb");
11263 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11264 DisplayError(buf, errno);
11267 return LoadPosition(f, n, title);
11272 /* Load the nth position from the given open file, and close it */
11274 LoadPosition(f, positionNumber, title)
11276 int positionNumber;
11279 char *p, line[MSG_SIZ];
11280 Board initial_position;
11281 int i, j, fenMode, pn;
11283 if (gameMode == Training )
11284 SetTrainingModeOff();
11286 if (gameMode != BeginningOfGame) {
11287 Reset(FALSE, TRUE);
11289 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11290 fclose(lastLoadPositionFP);
11292 if (positionNumber == 0) positionNumber = 1;
11293 lastLoadPositionFP = f;
11294 lastLoadPositionNumber = positionNumber;
11295 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11296 if (first.pr == NoProc) {
11297 StartChessProgram(&first);
11298 InitChessProgram(&first, FALSE);
11300 pn = positionNumber;
11301 if (positionNumber < 0) {
11302 /* Negative position number means to seek to that byte offset */
11303 if (fseek(f, -positionNumber, 0) == -1) {
11304 DisplayError(_("Can't seek on position file"), 0);
11309 if (fseek(f, 0, 0) == -1) {
11310 if (f == lastLoadPositionFP ?
11311 positionNumber == lastLoadPositionNumber + 1 :
11312 positionNumber == 1) {
11315 DisplayError(_("Can't seek on position file"), 0);
11320 /* See if this file is FEN or old-style xboard */
11321 if (fgets(line, MSG_SIZ, f) == NULL) {
11322 DisplayError(_("Position not found in file"), 0);
11325 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11326 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11329 if (fenMode || line[0] == '#') pn--;
11331 /* skip positions before number pn */
11332 if (fgets(line, MSG_SIZ, f) == NULL) {
11334 DisplayError(_("Position not found in file"), 0);
11337 if (fenMode || line[0] == '#') pn--;
11342 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11343 DisplayError(_("Bad FEN position in file"), 0);
11347 (void) fgets(line, MSG_SIZ, f);
11348 (void) fgets(line, MSG_SIZ, f);
11350 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11351 (void) fgets(line, MSG_SIZ, f);
11352 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11355 initial_position[i][j++] = CharToPiece(*p);
11359 blackPlaysFirst = FALSE;
11361 (void) fgets(line, MSG_SIZ, f);
11362 if (strncmp(line, "black", strlen("black"))==0)
11363 blackPlaysFirst = TRUE;
11366 startedFromSetupPosition = TRUE;
11368 SendToProgram("force\n", &first);
11369 CopyBoard(boards[0], initial_position);
11370 if (blackPlaysFirst) {
11371 currentMove = forwardMostMove = backwardMostMove = 1;
11372 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11373 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11374 CopyBoard(boards[1], initial_position);
11375 DisplayMessage("", _("Black to play"));
11377 currentMove = forwardMostMove = backwardMostMove = 0;
11378 DisplayMessage("", _("White to play"));
11380 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11381 SendBoard(&first, forwardMostMove);
11382 if (appData.debugMode) {
11384 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11385 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11386 fprintf(debugFP, "Load Position\n");
11389 if (positionNumber > 1) {
11390 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11391 DisplayTitle(line);
11393 DisplayTitle(title);
11395 gameMode = EditGame;
11398 timeRemaining[0][1] = whiteTimeRemaining;
11399 timeRemaining[1][1] = blackTimeRemaining;
11400 DrawPosition(FALSE, boards[currentMove]);
11407 CopyPlayerNameIntoFileName(dest, src)
11410 while (*src != NULLCHAR && *src != ',') {
11415 *(*dest)++ = *src++;
11420 char *DefaultFileName(ext)
11423 static char def[MSG_SIZ];
11426 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11428 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11430 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11432 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11439 /* Save the current game to the given file */
11441 SaveGameToFile(filename, append)
11449 if (strcmp(filename, "-") == 0) {
11450 return SaveGame(stdout, 0, NULL);
11452 f = fopen(filename, append ? "a" : "w");
11454 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11455 DisplayError(buf, errno);
11458 safeStrCpy(buf, lastMsg, MSG_SIZ);
11459 DisplayMessage(_("Waiting for access to save file"), "");
11460 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11461 DisplayMessage(_("Saving game"), "");
11462 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11463 result = SaveGame(f, 0, NULL);
11464 DisplayMessage(buf, "");
11474 static char buf[MSG_SIZ];
11477 p = strchr(str, ' ');
11478 if (p == NULL) return str;
11479 strncpy(buf, str, p - str);
11480 buf[p - str] = NULLCHAR;
11484 #define PGN_MAX_LINE 75
11486 #define PGN_SIDE_WHITE 0
11487 #define PGN_SIDE_BLACK 1
11490 static int FindFirstMoveOutOfBook( int side )
11494 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11495 int index = backwardMostMove;
11496 int has_book_hit = 0;
11498 if( (index % 2) != side ) {
11502 while( index < forwardMostMove ) {
11503 /* Check to see if engine is in book */
11504 int depth = pvInfoList[index].depth;
11505 int score = pvInfoList[index].score;
11511 else if( score == 0 && depth == 63 ) {
11512 in_book = 1; /* Zappa */
11514 else if( score == 2 && depth == 99 ) {
11515 in_book = 1; /* Abrok */
11518 has_book_hit += in_book;
11534 void GetOutOfBookInfo( char * buf )
11538 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11540 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11541 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11545 if( oob[0] >= 0 || oob[1] >= 0 ) {
11546 for( i=0; i<2; i++ ) {
11550 if( i > 0 && oob[0] >= 0 ) {
11551 strcat( buf, " " );
11554 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11555 sprintf( buf+strlen(buf), "%s%.2f",
11556 pvInfoList[idx].score >= 0 ? "+" : "",
11557 pvInfoList[idx].score / 100.0 );
11563 /* Save game in PGN style and close the file */
11568 int i, offset, linelen, newblock;
11572 int movelen, numlen, blank;
11573 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11575 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11577 tm = time((time_t *) NULL);
11579 PrintPGNTags(f, &gameInfo);
11581 if (backwardMostMove > 0 || startedFromSetupPosition) {
11582 char *fen = PositionToFEN(backwardMostMove, NULL);
11583 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11584 fprintf(f, "\n{--------------\n");
11585 PrintPosition(f, backwardMostMove);
11586 fprintf(f, "--------------}\n");
11590 /* [AS] Out of book annotation */
11591 if( appData.saveOutOfBookInfo ) {
11594 GetOutOfBookInfo( buf );
11596 if( buf[0] != '\0' ) {
11597 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11604 i = backwardMostMove;
11608 while (i < forwardMostMove) {
11609 /* Print comments preceding this move */
11610 if (commentList[i] != NULL) {
11611 if (linelen > 0) fprintf(f, "\n");
11612 fprintf(f, "%s", commentList[i]);
11617 /* Format move number */
11619 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11622 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11624 numtext[0] = NULLCHAR;
11626 numlen = strlen(numtext);
11629 /* Print move number */
11630 blank = linelen > 0 && numlen > 0;
11631 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11640 fprintf(f, "%s", numtext);
11644 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11645 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11648 blank = linelen > 0 && movelen > 0;
11649 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11658 fprintf(f, "%s", move_buffer);
11659 linelen += movelen;
11661 /* [AS] Add PV info if present */
11662 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11663 /* [HGM] add time */
11664 char buf[MSG_SIZ]; int seconds;
11666 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11672 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11675 seconds = (seconds + 4)/10; // round to full seconds
11677 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11679 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11682 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11683 pvInfoList[i].score >= 0 ? "+" : "",
11684 pvInfoList[i].score / 100.0,
11685 pvInfoList[i].depth,
11688 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11690 /* Print score/depth */
11691 blank = linelen > 0 && movelen > 0;
11692 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11701 fprintf(f, "%s", move_buffer);
11702 linelen += movelen;
11708 /* Start a new line */
11709 if (linelen > 0) fprintf(f, "\n");
11711 /* Print comments after last move */
11712 if (commentList[i] != NULL) {
11713 fprintf(f, "%s\n", commentList[i]);
11717 if (gameInfo.resultDetails != NULL &&
11718 gameInfo.resultDetails[0] != NULLCHAR) {
11719 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11720 PGNResult(gameInfo.result));
11722 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11726 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11730 /* Save game in old style and close the file */
11732 SaveGameOldStyle(f)
11738 tm = time((time_t *) NULL);
11740 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11743 if (backwardMostMove > 0 || startedFromSetupPosition) {
11744 fprintf(f, "\n[--------------\n");
11745 PrintPosition(f, backwardMostMove);
11746 fprintf(f, "--------------]\n");
11751 i = backwardMostMove;
11752 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11754 while (i < forwardMostMove) {
11755 if (commentList[i] != NULL) {
11756 fprintf(f, "[%s]\n", commentList[i]);
11759 if ((i % 2) == 1) {
11760 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11763 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11765 if (commentList[i] != NULL) {
11769 if (i >= forwardMostMove) {
11773 fprintf(f, "%s\n", parseList[i]);
11778 if (commentList[i] != NULL) {
11779 fprintf(f, "[%s]\n", commentList[i]);
11782 /* This isn't really the old style, but it's close enough */
11783 if (gameInfo.resultDetails != NULL &&
11784 gameInfo.resultDetails[0] != NULLCHAR) {
11785 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11786 gameInfo.resultDetails);
11788 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11795 /* Save the current game to open file f and close the file */
11797 SaveGame(f, dummy, dummy2)
11802 if (gameMode == EditPosition) EditPositionDone(TRUE);
11803 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11804 if (appData.oldSaveStyle)
11805 return SaveGameOldStyle(f);
11807 return SaveGamePGN(f);
11810 /* Save the current position to the given file */
11812 SavePositionToFile(filename)
11818 if (strcmp(filename, "-") == 0) {
11819 return SavePosition(stdout, 0, NULL);
11821 f = fopen(filename, "a");
11823 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11824 DisplayError(buf, errno);
11827 safeStrCpy(buf, lastMsg, MSG_SIZ);
11828 DisplayMessage(_("Waiting for access to save file"), "");
11829 flock(fileno(f), LOCK_EX); // [HGM] lock
11830 DisplayMessage(_("Saving position"), "");
11831 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
11832 SavePosition(f, 0, NULL);
11833 DisplayMessage(buf, "");
11839 /* Save the current position to the given open file and close the file */
11841 SavePosition(f, dummy, dummy2)
11849 if (gameMode == EditPosition) EditPositionDone(TRUE);
11850 if (appData.oldSaveStyle) {
11851 tm = time((time_t *) NULL);
11853 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11855 fprintf(f, "[--------------\n");
11856 PrintPosition(f, currentMove);
11857 fprintf(f, "--------------]\n");
11859 fen = PositionToFEN(currentMove, NULL);
11860 fprintf(f, "%s\n", fen);
11868 ReloadCmailMsgEvent(unregister)
11872 static char *inFilename = NULL;
11873 static char *outFilename;
11875 struct stat inbuf, outbuf;
11878 /* Any registered moves are unregistered if unregister is set, */
11879 /* i.e. invoked by the signal handler */
11881 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11882 cmailMoveRegistered[i] = FALSE;
11883 if (cmailCommentList[i] != NULL) {
11884 free(cmailCommentList[i]);
11885 cmailCommentList[i] = NULL;
11888 nCmailMovesRegistered = 0;
11891 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11892 cmailResult[i] = CMAIL_NOT_RESULT;
11896 if (inFilename == NULL) {
11897 /* Because the filenames are static they only get malloced once */
11898 /* and they never get freed */
11899 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11900 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11902 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11903 sprintf(outFilename, "%s.out", appData.cmailGameName);
11906 status = stat(outFilename, &outbuf);
11908 cmailMailedMove = FALSE;
11910 status = stat(inFilename, &inbuf);
11911 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11914 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11915 counts the games, notes how each one terminated, etc.
11917 It would be nice to remove this kludge and instead gather all
11918 the information while building the game list. (And to keep it
11919 in the game list nodes instead of having a bunch of fixed-size
11920 parallel arrays.) Note this will require getting each game's
11921 termination from the PGN tags, as the game list builder does
11922 not process the game moves. --mann
11924 cmailMsgLoaded = TRUE;
11925 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11927 /* Load first game in the file or popup game menu */
11928 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11930 #endif /* !WIN32 */
11938 char string[MSG_SIZ];
11940 if ( cmailMailedMove
11941 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11942 return TRUE; /* Allow free viewing */
11945 /* Unregister move to ensure that we don't leave RegisterMove */
11946 /* with the move registered when the conditions for registering no */
11948 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11949 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11950 nCmailMovesRegistered --;
11952 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11954 free(cmailCommentList[lastLoadGameNumber - 1]);
11955 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11959 if (cmailOldMove == -1) {
11960 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11964 if (currentMove > cmailOldMove + 1) {
11965 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11969 if (currentMove < cmailOldMove) {
11970 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11974 if (forwardMostMove > currentMove) {
11975 /* Silently truncate extra moves */
11979 if ( (currentMove == cmailOldMove + 1)
11980 || ( (currentMove == cmailOldMove)
11981 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11982 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11983 if (gameInfo.result != GameUnfinished) {
11984 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11987 if (commentList[currentMove] != NULL) {
11988 cmailCommentList[lastLoadGameNumber - 1]
11989 = StrSave(commentList[currentMove]);
11991 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11993 if (appData.debugMode)
11994 fprintf(debugFP, "Saving %s for game %d\n",
11995 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11997 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11999 f = fopen(string, "w");
12000 if (appData.oldSaveStyle) {
12001 SaveGameOldStyle(f); /* also closes the file */
12003 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12004 f = fopen(string, "w");
12005 SavePosition(f, 0, NULL); /* also closes the file */
12007 fprintf(f, "{--------------\n");
12008 PrintPosition(f, currentMove);
12009 fprintf(f, "--------------}\n\n");
12011 SaveGame(f, 0, NULL); /* also closes the file*/
12014 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12015 nCmailMovesRegistered ++;
12016 } else if (nCmailGames == 1) {
12017 DisplayError(_("You have not made a move yet"), 0);
12028 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12029 FILE *commandOutput;
12030 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12031 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12037 if (! cmailMsgLoaded) {
12038 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12042 if (nCmailGames == nCmailResults) {
12043 DisplayError(_("No unfinished games"), 0);
12047 #if CMAIL_PROHIBIT_REMAIL
12048 if (cmailMailedMove) {
12049 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);
12050 DisplayError(msg, 0);
12055 if (! (cmailMailedMove || RegisterMove())) return;
12057 if ( cmailMailedMove
12058 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12059 snprintf(string, MSG_SIZ, partCommandString,
12060 appData.debugMode ? " -v" : "", appData.cmailGameName);
12061 commandOutput = popen(string, "r");
12063 if (commandOutput == NULL) {
12064 DisplayError(_("Failed to invoke cmail"), 0);
12066 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12067 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12069 if (nBuffers > 1) {
12070 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12071 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12072 nBytes = MSG_SIZ - 1;
12074 (void) memcpy(msg, buffer, nBytes);
12076 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12078 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12079 cmailMailedMove = TRUE; /* Prevent >1 moves */
12082 for (i = 0; i < nCmailGames; i ++) {
12083 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12088 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12090 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12092 appData.cmailGameName,
12094 LoadGameFromFile(buffer, 1, buffer, FALSE);
12095 cmailMsgLoaded = FALSE;
12099 DisplayInformation(msg);
12100 pclose(commandOutput);
12103 if ((*cmailMsg) != '\0') {
12104 DisplayInformation(cmailMsg);
12109 #endif /* !WIN32 */
12118 int prependComma = 0;
12120 char string[MSG_SIZ]; /* Space for game-list */
12123 if (!cmailMsgLoaded) return "";
12125 if (cmailMailedMove) {
12126 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12128 /* Create a list of games left */
12129 snprintf(string, MSG_SIZ, "[");
12130 for (i = 0; i < nCmailGames; i ++) {
12131 if (! ( cmailMoveRegistered[i]
12132 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12133 if (prependComma) {
12134 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12136 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12140 strcat(string, number);
12143 strcat(string, "]");
12145 if (nCmailMovesRegistered + nCmailResults == 0) {
12146 switch (nCmailGames) {
12148 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12152 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12156 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12161 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12163 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12168 if (nCmailResults == nCmailGames) {
12169 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12171 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12176 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12188 if (gameMode == Training)
12189 SetTrainingModeOff();
12192 cmailMsgLoaded = FALSE;
12193 if (appData.icsActive) {
12194 SendToICS(ics_prefix);
12195 SendToICS("refresh\n");
12205 /* Give up on clean exit */
12209 /* Keep trying for clean exit */
12213 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12215 if (telnetISR != NULL) {
12216 RemoveInputSource(telnetISR);
12218 if (icsPR != NoProc) {
12219 DestroyChildProcess(icsPR, TRUE);
12222 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12223 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12225 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12226 /* make sure this other one finishes before killing it! */
12227 if(endingGame) { int count = 0;
12228 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12229 while(endingGame && count++ < 10) DoSleep(1);
12230 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12233 /* Kill off chess programs */
12234 if (first.pr != NoProc) {
12237 DoSleep( appData.delayBeforeQuit );
12238 SendToProgram("quit\n", &first);
12239 DoSleep( appData.delayAfterQuit );
12240 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12242 if (second.pr != NoProc) {
12243 DoSleep( appData.delayBeforeQuit );
12244 SendToProgram("quit\n", &second);
12245 DoSleep( appData.delayAfterQuit );
12246 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12248 if (first.isr != NULL) {
12249 RemoveInputSource(first.isr);
12251 if (second.isr != NULL) {
12252 RemoveInputSource(second.isr);
12255 ShutDownFrontEnd();
12262 if (appData.debugMode)
12263 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12267 if (gameMode == MachinePlaysWhite ||
12268 gameMode == MachinePlaysBlack) {
12271 DisplayBothClocks();
12273 if (gameMode == PlayFromGameFile) {
12274 if (appData.timeDelay >= 0)
12275 AutoPlayGameLoop();
12276 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12277 Reset(FALSE, TRUE);
12278 SendToICS(ics_prefix);
12279 SendToICS("refresh\n");
12280 } else if (currentMove < forwardMostMove) {
12281 ForwardInner(forwardMostMove);
12283 pauseExamInvalid = FALSE;
12285 switch (gameMode) {
12289 pauseExamForwardMostMove = forwardMostMove;
12290 pauseExamInvalid = FALSE;
12293 case IcsPlayingWhite:
12294 case IcsPlayingBlack:
12298 case PlayFromGameFile:
12299 (void) StopLoadGameTimer();
12303 case BeginningOfGame:
12304 if (appData.icsActive) return;
12305 /* else fall through */
12306 case MachinePlaysWhite:
12307 case MachinePlaysBlack:
12308 case TwoMachinesPlay:
12309 if (forwardMostMove == 0)
12310 return; /* don't pause if no one has moved */
12311 if ((gameMode == MachinePlaysWhite &&
12312 !WhiteOnMove(forwardMostMove)) ||
12313 (gameMode == MachinePlaysBlack &&
12314 WhiteOnMove(forwardMostMove))) {
12327 char title[MSG_SIZ];
12329 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12330 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12332 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12333 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12334 parseList[currentMove - 1]);
12337 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12344 char *tags = PGNTags(&gameInfo);
12346 EditTagsPopUp(tags, NULL);
12353 if (appData.noChessProgram || gameMode == AnalyzeMode)
12356 if (gameMode != AnalyzeFile) {
12357 if (!appData.icsEngineAnalyze) {
12359 if (gameMode != EditGame) return;
12361 ResurrectChessProgram();
12362 SendToProgram("analyze\n", &first);
12363 first.analyzing = TRUE;
12364 /*first.maybeThinking = TRUE;*/
12365 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12366 EngineOutputPopUp();
12368 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12373 StartAnalysisClock();
12374 GetTimeMark(&lastNodeCountTime);
12381 if (appData.noChessProgram || gameMode == AnalyzeFile)
12384 if (gameMode != AnalyzeMode) {
12386 if (gameMode != EditGame) return;
12387 ResurrectChessProgram();
12388 SendToProgram("analyze\n", &first);
12389 first.analyzing = TRUE;
12390 /*first.maybeThinking = TRUE;*/
12391 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12392 EngineOutputPopUp();
12394 gameMode = AnalyzeFile;
12399 StartAnalysisClock();
12400 GetTimeMark(&lastNodeCountTime);
12405 MachineWhiteEvent()
12408 char *bookHit = NULL;
12410 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12414 if (gameMode == PlayFromGameFile ||
12415 gameMode == TwoMachinesPlay ||
12416 gameMode == Training ||
12417 gameMode == AnalyzeMode ||
12418 gameMode == EndOfGame)
12421 if (gameMode == EditPosition)
12422 EditPositionDone(TRUE);
12424 if (!WhiteOnMove(currentMove)) {
12425 DisplayError(_("It is not White's turn"), 0);
12429 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12432 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12433 gameMode == AnalyzeFile)
12436 ResurrectChessProgram(); /* in case it isn't running */
12437 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12438 gameMode = MachinePlaysWhite;
12441 gameMode = MachinePlaysWhite;
12445 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12447 if (first.sendName) {
12448 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12449 SendToProgram(buf, &first);
12451 if (first.sendTime) {
12452 if (first.useColors) {
12453 SendToProgram("black\n", &first); /*gnu kludge*/
12455 SendTimeRemaining(&first, TRUE);
12457 if (first.useColors) {
12458 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12460 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12461 SetMachineThinkingEnables();
12462 first.maybeThinking = TRUE;
12466 if (appData.autoFlipView && !flipView) {
12467 flipView = !flipView;
12468 DrawPosition(FALSE, NULL);
12469 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12472 if(bookHit) { // [HGM] book: simulate book reply
12473 static char bookMove[MSG_SIZ]; // a bit generous?
12475 programStats.nodes = programStats.depth = programStats.time =
12476 programStats.score = programStats.got_only_move = 0;
12477 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12479 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12480 strcat(bookMove, bookHit);
12481 HandleMachineMove(bookMove, &first);
12486 MachineBlackEvent()
12489 char *bookHit = NULL;
12491 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12495 if (gameMode == PlayFromGameFile ||
12496 gameMode == TwoMachinesPlay ||
12497 gameMode == Training ||
12498 gameMode == AnalyzeMode ||
12499 gameMode == EndOfGame)
12502 if (gameMode == EditPosition)
12503 EditPositionDone(TRUE);
12505 if (WhiteOnMove(currentMove)) {
12506 DisplayError(_("It is not Black's turn"), 0);
12510 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12513 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12514 gameMode == AnalyzeFile)
12517 ResurrectChessProgram(); /* in case it isn't running */
12518 gameMode = MachinePlaysBlack;
12522 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12524 if (first.sendName) {
12525 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12526 SendToProgram(buf, &first);
12528 if (first.sendTime) {
12529 if (first.useColors) {
12530 SendToProgram("white\n", &first); /*gnu kludge*/
12532 SendTimeRemaining(&first, FALSE);
12534 if (first.useColors) {
12535 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12537 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12538 SetMachineThinkingEnables();
12539 first.maybeThinking = TRUE;
12542 if (appData.autoFlipView && flipView) {
12543 flipView = !flipView;
12544 DrawPosition(FALSE, NULL);
12545 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12547 if(bookHit) { // [HGM] book: simulate book reply
12548 static char bookMove[MSG_SIZ]; // a bit generous?
12550 programStats.nodes = programStats.depth = programStats.time =
12551 programStats.score = programStats.got_only_move = 0;
12552 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12554 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12555 strcat(bookMove, bookHit);
12556 HandleMachineMove(bookMove, &first);
12562 DisplayTwoMachinesTitle()
12565 if (appData.matchGames > 0) {
12566 if (first.twoMachinesColor[0] == 'w') {
12567 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12568 gameInfo.white, gameInfo.black,
12569 first.matchWins, second.matchWins,
12570 matchGame - 1 - (first.matchWins + second.matchWins));
12572 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12573 gameInfo.white, gameInfo.black,
12574 second.matchWins, first.matchWins,
12575 matchGame - 1 - (first.matchWins + second.matchWins));
12578 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12584 SettingsMenuIfReady()
12586 if (second.lastPing != second.lastPong) {
12587 DisplayMessage("", _("Waiting for second chess program"));
12588 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12592 DisplayMessage("", "");
12593 SettingsPopUp(&second);
12597 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12600 if (cps->pr == NULL) {
12601 StartChessProgram(cps);
12602 if (cps->protocolVersion == 1) {
12605 /* kludge: allow timeout for initial "feature" command */
12607 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12608 DisplayMessage("", buf);
12609 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12617 TwoMachinesEvent P((void))
12621 ChessProgramState *onmove;
12622 char *bookHit = NULL;
12623 static int stalling = 0;
12627 if (appData.noChessProgram) return;
12629 switch (gameMode) {
12630 case TwoMachinesPlay:
12632 case MachinePlaysWhite:
12633 case MachinePlaysBlack:
12634 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12635 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12639 case BeginningOfGame:
12640 case PlayFromGameFile:
12643 if (gameMode != EditGame) return;
12646 EditPositionDone(TRUE);
12657 // forwardMostMove = currentMove;
12658 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12660 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12662 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12663 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12664 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12668 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12669 SendToProgram("force\n", &second);
12671 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12674 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12675 if(appData.matchPause>10000 || appData.matchPause<10)
12676 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12677 wait = SubtractTimeMarks(&now, &pauseStart);
12678 if(wait < appData.matchPause) {
12679 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12683 DisplayMessage("", "");
12684 if (startedFromSetupPosition) {
12685 SendBoard(&second, backwardMostMove);
12686 if (appData.debugMode) {
12687 fprintf(debugFP, "Two Machines\n");
12690 for (i = backwardMostMove; i < forwardMostMove; i++) {
12691 SendMoveToProgram(i, &second);
12694 gameMode = TwoMachinesPlay;
12698 DisplayTwoMachinesTitle();
12700 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12705 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12706 SendToProgram(first.computerString, &first);
12707 if (first.sendName) {
12708 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12709 SendToProgram(buf, &first);
12711 SendToProgram(second.computerString, &second);
12712 if (second.sendName) {
12713 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12714 SendToProgram(buf, &second);
12718 if (!first.sendTime || !second.sendTime) {
12719 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12720 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12722 if (onmove->sendTime) {
12723 if (onmove->useColors) {
12724 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12726 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12728 if (onmove->useColors) {
12729 SendToProgram(onmove->twoMachinesColor, onmove);
12731 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12732 // SendToProgram("go\n", onmove);
12733 onmove->maybeThinking = TRUE;
12734 SetMachineThinkingEnables();
12738 if(bookHit) { // [HGM] book: simulate book reply
12739 static char bookMove[MSG_SIZ]; // a bit generous?
12741 programStats.nodes = programStats.depth = programStats.time =
12742 programStats.score = programStats.got_only_move = 0;
12743 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12745 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12746 strcat(bookMove, bookHit);
12747 savedMessage = bookMove; // args for deferred call
12748 savedState = onmove;
12749 ScheduleDelayedEvent(DeferredBookMove, 1);
12756 if (gameMode == Training) {
12757 SetTrainingModeOff();
12758 gameMode = PlayFromGameFile;
12759 DisplayMessage("", _("Training mode off"));
12761 gameMode = Training;
12762 animateTraining = appData.animate;
12764 /* make sure we are not already at the end of the game */
12765 if (currentMove < forwardMostMove) {
12766 SetTrainingModeOn();
12767 DisplayMessage("", _("Training mode on"));
12769 gameMode = PlayFromGameFile;
12770 DisplayError(_("Already at end of game"), 0);
12779 if (!appData.icsActive) return;
12780 switch (gameMode) {
12781 case IcsPlayingWhite:
12782 case IcsPlayingBlack:
12785 case BeginningOfGame:
12793 EditPositionDone(TRUE);
12806 gameMode = IcsIdle;
12817 switch (gameMode) {
12819 SetTrainingModeOff();
12821 case MachinePlaysWhite:
12822 case MachinePlaysBlack:
12823 case BeginningOfGame:
12824 SendToProgram("force\n", &first);
12825 SetUserThinkingEnables();
12827 case PlayFromGameFile:
12828 (void) StopLoadGameTimer();
12829 if (gameFileFP != NULL) {
12834 EditPositionDone(TRUE);
12839 SendToProgram("force\n", &first);
12841 case TwoMachinesPlay:
12842 GameEnds(EndOfFile, NULL, GE_PLAYER);
12843 ResurrectChessProgram();
12844 SetUserThinkingEnables();
12847 ResurrectChessProgram();
12849 case IcsPlayingBlack:
12850 case IcsPlayingWhite:
12851 DisplayError(_("Warning: You are still playing a game"), 0);
12854 DisplayError(_("Warning: You are still observing a game"), 0);
12857 DisplayError(_("Warning: You are still examining a game"), 0);
12868 first.offeredDraw = second.offeredDraw = 0;
12870 if (gameMode == PlayFromGameFile) {
12871 whiteTimeRemaining = timeRemaining[0][currentMove];
12872 blackTimeRemaining = timeRemaining[1][currentMove];
12876 if (gameMode == MachinePlaysWhite ||
12877 gameMode == MachinePlaysBlack ||
12878 gameMode == TwoMachinesPlay ||
12879 gameMode == EndOfGame) {
12880 i = forwardMostMove;
12881 while (i > currentMove) {
12882 SendToProgram("undo\n", &first);
12885 whiteTimeRemaining = timeRemaining[0][currentMove];
12886 blackTimeRemaining = timeRemaining[1][currentMove];
12887 DisplayBothClocks();
12888 if (whiteFlag || blackFlag) {
12889 whiteFlag = blackFlag = 0;
12894 gameMode = EditGame;
12901 EditPositionEvent()
12903 if (gameMode == EditPosition) {
12909 if (gameMode != EditGame) return;
12911 gameMode = EditPosition;
12914 if (currentMove > 0)
12915 CopyBoard(boards[0], boards[currentMove]);
12917 blackPlaysFirst = !WhiteOnMove(currentMove);
12919 currentMove = forwardMostMove = backwardMostMove = 0;
12920 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12927 /* [DM] icsEngineAnalyze - possible call from other functions */
12928 if (appData.icsEngineAnalyze) {
12929 appData.icsEngineAnalyze = FALSE;
12931 DisplayMessage("",_("Close ICS engine analyze..."));
12933 if (first.analysisSupport && first.analyzing) {
12934 SendToProgram("exit\n", &first);
12935 first.analyzing = FALSE;
12937 thinkOutput[0] = NULLCHAR;
12941 EditPositionDone(Boolean fakeRights)
12943 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12945 startedFromSetupPosition = TRUE;
12946 InitChessProgram(&first, FALSE);
12947 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12948 boards[0][EP_STATUS] = EP_NONE;
12949 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12950 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12951 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12952 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12953 } else boards[0][CASTLING][2] = NoRights;
12954 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12955 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12956 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12957 } else boards[0][CASTLING][5] = NoRights;
12959 SendToProgram("force\n", &first);
12960 if (blackPlaysFirst) {
12961 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12962 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12963 currentMove = forwardMostMove = backwardMostMove = 1;
12964 CopyBoard(boards[1], boards[0]);
12966 currentMove = forwardMostMove = backwardMostMove = 0;
12968 SendBoard(&first, forwardMostMove);
12969 if (appData.debugMode) {
12970 fprintf(debugFP, "EditPosDone\n");
12973 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12974 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12975 gameMode = EditGame;
12977 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12978 ClearHighlights(); /* [AS] */
12981 /* Pause for `ms' milliseconds */
12982 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12992 } while (SubtractTimeMarks(&m2, &m1) < ms);
12995 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12997 SendMultiLineToICS(buf)
13000 char temp[MSG_SIZ+1], *p;
13007 strncpy(temp, buf, len);
13012 if (*p == '\n' || *p == '\r')
13017 strcat(temp, "\n");
13019 SendToPlayer(temp, strlen(temp));
13023 SetWhiteToPlayEvent()
13025 if (gameMode == EditPosition) {
13026 blackPlaysFirst = FALSE;
13027 DisplayBothClocks(); /* works because currentMove is 0 */
13028 } else if (gameMode == IcsExamining) {
13029 SendToICS(ics_prefix);
13030 SendToICS("tomove white\n");
13035 SetBlackToPlayEvent()
13037 if (gameMode == EditPosition) {
13038 blackPlaysFirst = TRUE;
13039 currentMove = 1; /* kludge */
13040 DisplayBothClocks();
13042 } else if (gameMode == IcsExamining) {
13043 SendToICS(ics_prefix);
13044 SendToICS("tomove black\n");
13049 EditPositionMenuEvent(selection, x, y)
13050 ChessSquare selection;
13054 ChessSquare piece = boards[0][y][x];
13056 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13058 switch (selection) {
13060 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13061 SendToICS(ics_prefix);
13062 SendToICS("bsetup clear\n");
13063 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13064 SendToICS(ics_prefix);
13065 SendToICS("clearboard\n");
13067 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13068 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13069 for (y = 0; y < BOARD_HEIGHT; y++) {
13070 if (gameMode == IcsExamining) {
13071 if (boards[currentMove][y][x] != EmptySquare) {
13072 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13077 boards[0][y][x] = p;
13082 if (gameMode == EditPosition) {
13083 DrawPosition(FALSE, boards[0]);
13088 SetWhiteToPlayEvent();
13092 SetBlackToPlayEvent();
13096 if (gameMode == IcsExamining) {
13097 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13098 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13101 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13102 if(x == BOARD_LEFT-2) {
13103 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13104 boards[0][y][1] = 0;
13106 if(x == BOARD_RGHT+1) {
13107 if(y >= gameInfo.holdingsSize) break;
13108 boards[0][y][BOARD_WIDTH-2] = 0;
13111 boards[0][y][x] = EmptySquare;
13112 DrawPosition(FALSE, boards[0]);
13117 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13118 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13119 selection = (ChessSquare) (PROMOTED piece);
13120 } else if(piece == EmptySquare) selection = WhiteSilver;
13121 else selection = (ChessSquare)((int)piece - 1);
13125 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13126 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13127 selection = (ChessSquare) (DEMOTED piece);
13128 } else if(piece == EmptySquare) selection = BlackSilver;
13129 else selection = (ChessSquare)((int)piece + 1);
13134 if(gameInfo.variant == VariantShatranj ||
13135 gameInfo.variant == VariantXiangqi ||
13136 gameInfo.variant == VariantCourier ||
13137 gameInfo.variant == VariantMakruk )
13138 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13143 if(gameInfo.variant == VariantXiangqi)
13144 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13145 if(gameInfo.variant == VariantKnightmate)
13146 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13149 if (gameMode == IcsExamining) {
13150 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13151 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13152 PieceToChar(selection), AAA + x, ONE + y);
13155 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13157 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13158 n = PieceToNumber(selection - BlackPawn);
13159 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13160 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13161 boards[0][BOARD_HEIGHT-1-n][1]++;
13163 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13164 n = PieceToNumber(selection);
13165 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13166 boards[0][n][BOARD_WIDTH-1] = selection;
13167 boards[0][n][BOARD_WIDTH-2]++;
13170 boards[0][y][x] = selection;
13171 DrawPosition(TRUE, boards[0]);
13179 DropMenuEvent(selection, x, y)
13180 ChessSquare selection;
13183 ChessMove moveType;
13185 switch (gameMode) {
13186 case IcsPlayingWhite:
13187 case MachinePlaysBlack:
13188 if (!WhiteOnMove(currentMove)) {
13189 DisplayMoveError(_("It is Black's turn"));
13192 moveType = WhiteDrop;
13194 case IcsPlayingBlack:
13195 case MachinePlaysWhite:
13196 if (WhiteOnMove(currentMove)) {
13197 DisplayMoveError(_("It is White's turn"));
13200 moveType = BlackDrop;
13203 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13209 if (moveType == BlackDrop && selection < BlackPawn) {
13210 selection = (ChessSquare) ((int) selection
13211 + (int) BlackPawn - (int) WhitePawn);
13213 if (boards[currentMove][y][x] != EmptySquare) {
13214 DisplayMoveError(_("That square is occupied"));
13218 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13224 /* Accept a pending offer of any kind from opponent */
13226 if (appData.icsActive) {
13227 SendToICS(ics_prefix);
13228 SendToICS("accept\n");
13229 } else if (cmailMsgLoaded) {
13230 if (currentMove == cmailOldMove &&
13231 commentList[cmailOldMove] != NULL &&
13232 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13233 "Black offers a draw" : "White offers a draw")) {
13235 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13236 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13238 DisplayError(_("There is no pending offer on this move"), 0);
13239 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13242 /* Not used for offers from chess program */
13249 /* Decline a pending offer of any kind from opponent */
13251 if (appData.icsActive) {
13252 SendToICS(ics_prefix);
13253 SendToICS("decline\n");
13254 } else if (cmailMsgLoaded) {
13255 if (currentMove == cmailOldMove &&
13256 commentList[cmailOldMove] != NULL &&
13257 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13258 "Black offers a draw" : "White offers a draw")) {
13260 AppendComment(cmailOldMove, "Draw declined", TRUE);
13261 DisplayComment(cmailOldMove - 1, "Draw declined");
13264 DisplayError(_("There is no pending offer on this move"), 0);
13267 /* Not used for offers from chess program */
13274 /* Issue ICS rematch command */
13275 if (appData.icsActive) {
13276 SendToICS(ics_prefix);
13277 SendToICS("rematch\n");
13284 /* Call your opponent's flag (claim a win on time) */
13285 if (appData.icsActive) {
13286 SendToICS(ics_prefix);
13287 SendToICS("flag\n");
13289 switch (gameMode) {
13292 case MachinePlaysWhite:
13295 GameEnds(GameIsDrawn, "Both players ran out of time",
13298 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13300 DisplayError(_("Your opponent is not out of time"), 0);
13303 case MachinePlaysBlack:
13306 GameEnds(GameIsDrawn, "Both players ran out of time",
13309 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13311 DisplayError(_("Your opponent is not out of time"), 0);
13319 ClockClick(int which)
13320 { // [HGM] code moved to back-end from winboard.c
13321 if(which) { // black clock
13322 if (gameMode == EditPosition || gameMode == IcsExamining) {
13323 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13324 SetBlackToPlayEvent();
13325 } else if (gameMode == EditGame || shiftKey) {
13326 AdjustClock(which, -1);
13327 } else if (gameMode == IcsPlayingWhite ||
13328 gameMode == MachinePlaysBlack) {
13331 } else { // white clock
13332 if (gameMode == EditPosition || gameMode == IcsExamining) {
13333 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13334 SetWhiteToPlayEvent();
13335 } else if (gameMode == EditGame || shiftKey) {
13336 AdjustClock(which, -1);
13337 } else if (gameMode == IcsPlayingBlack ||
13338 gameMode == MachinePlaysWhite) {
13347 /* Offer draw or accept pending draw offer from opponent */
13349 if (appData.icsActive) {
13350 /* Note: tournament rules require draw offers to be
13351 made after you make your move but before you punch
13352 your clock. Currently ICS doesn't let you do that;
13353 instead, you immediately punch your clock after making
13354 a move, but you can offer a draw at any time. */
13356 SendToICS(ics_prefix);
13357 SendToICS("draw\n");
13358 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13359 } else if (cmailMsgLoaded) {
13360 if (currentMove == cmailOldMove &&
13361 commentList[cmailOldMove] != NULL &&
13362 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13363 "Black offers a draw" : "White offers a draw")) {
13364 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13365 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13366 } else if (currentMove == cmailOldMove + 1) {
13367 char *offer = WhiteOnMove(cmailOldMove) ?
13368 "White offers a draw" : "Black offers a draw";
13369 AppendComment(currentMove, offer, TRUE);
13370 DisplayComment(currentMove - 1, offer);
13371 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13373 DisplayError(_("You must make your move before offering a draw"), 0);
13374 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13376 } else if (first.offeredDraw) {
13377 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13379 if (first.sendDrawOffers) {
13380 SendToProgram("draw\n", &first);
13381 userOfferedDraw = TRUE;
13389 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13391 if (appData.icsActive) {
13392 SendToICS(ics_prefix);
13393 SendToICS("adjourn\n");
13395 /* Currently GNU Chess doesn't offer or accept Adjourns */
13403 /* Offer Abort or accept pending Abort offer from opponent */
13405 if (appData.icsActive) {
13406 SendToICS(ics_prefix);
13407 SendToICS("abort\n");
13409 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13416 /* Resign. You can do this even if it's not your turn. */
13418 if (appData.icsActive) {
13419 SendToICS(ics_prefix);
13420 SendToICS("resign\n");
13422 switch (gameMode) {
13423 case MachinePlaysWhite:
13424 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13426 case MachinePlaysBlack:
13427 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13430 if (cmailMsgLoaded) {
13432 if (WhiteOnMove(cmailOldMove)) {
13433 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13435 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13437 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13448 StopObservingEvent()
13450 /* Stop observing current games */
13451 SendToICS(ics_prefix);
13452 SendToICS("unobserve\n");
13456 StopExaminingEvent()
13458 /* Stop observing current game */
13459 SendToICS(ics_prefix);
13460 SendToICS("unexamine\n");
13464 ForwardInner(target)
13469 if (appData.debugMode)
13470 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13471 target, currentMove, forwardMostMove);
13473 if (gameMode == EditPosition)
13476 if (gameMode == PlayFromGameFile && !pausing)
13479 if (gameMode == IcsExamining && pausing)
13480 limit = pauseExamForwardMostMove;
13482 limit = forwardMostMove;
13484 if (target > limit) target = limit;
13486 if (target > 0 && moveList[target - 1][0]) {
13487 int fromX, fromY, toX, toY;
13488 toX = moveList[target - 1][2] - AAA;
13489 toY = moveList[target - 1][3] - ONE;
13490 if (moveList[target - 1][1] == '@') {
13491 if (appData.highlightLastMove) {
13492 SetHighlights(-1, -1, toX, toY);
13495 fromX = moveList[target - 1][0] - AAA;
13496 fromY = moveList[target - 1][1] - ONE;
13497 if (target == currentMove + 1) {
13498 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13500 if (appData.highlightLastMove) {
13501 SetHighlights(fromX, fromY, toX, toY);
13505 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13506 gameMode == Training || gameMode == PlayFromGameFile ||
13507 gameMode == AnalyzeFile) {
13508 while (currentMove < target) {
13509 SendMoveToProgram(currentMove++, &first);
13512 currentMove = target;
13515 if (gameMode == EditGame || gameMode == EndOfGame) {
13516 whiteTimeRemaining = timeRemaining[0][currentMove];
13517 blackTimeRemaining = timeRemaining[1][currentMove];
13519 DisplayBothClocks();
13520 DisplayMove(currentMove - 1);
13521 DrawPosition(FALSE, boards[currentMove]);
13522 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13523 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13524 DisplayComment(currentMove - 1, commentList[currentMove]);
13526 DisplayBook(currentMove);
13533 if (gameMode == IcsExamining && !pausing) {
13534 SendToICS(ics_prefix);
13535 SendToICS("forward\n");
13537 ForwardInner(currentMove + 1);
13544 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13545 /* to optimze, we temporarily turn off analysis mode while we feed
13546 * the remaining moves to the engine. Otherwise we get analysis output
13549 if (first.analysisSupport) {
13550 SendToProgram("exit\nforce\n", &first);
13551 first.analyzing = FALSE;
13555 if (gameMode == IcsExamining && !pausing) {
13556 SendToICS(ics_prefix);
13557 SendToICS("forward 999999\n");
13559 ForwardInner(forwardMostMove);
13562 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13563 /* we have fed all the moves, so reactivate analysis mode */
13564 SendToProgram("analyze\n", &first);
13565 first.analyzing = TRUE;
13566 /*first.maybeThinking = TRUE;*/
13567 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13572 BackwardInner(target)
13575 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13577 if (appData.debugMode)
13578 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13579 target, currentMove, forwardMostMove);
13581 if (gameMode == EditPosition) return;
13582 if (currentMove <= backwardMostMove) {
13584 DrawPosition(full_redraw, boards[currentMove]);
13587 if (gameMode == PlayFromGameFile && !pausing)
13590 if (moveList[target][0]) {
13591 int fromX, fromY, toX, toY;
13592 toX = moveList[target][2] - AAA;
13593 toY = moveList[target][3] - ONE;
13594 if (moveList[target][1] == '@') {
13595 if (appData.highlightLastMove) {
13596 SetHighlights(-1, -1, toX, toY);
13599 fromX = moveList[target][0] - AAA;
13600 fromY = moveList[target][1] - ONE;
13601 if (target == currentMove - 1) {
13602 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13604 if (appData.highlightLastMove) {
13605 SetHighlights(fromX, fromY, toX, toY);
13609 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13610 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13611 while (currentMove > target) {
13612 SendToProgram("undo\n", &first);
13616 currentMove = target;
13619 if (gameMode == EditGame || gameMode == EndOfGame) {
13620 whiteTimeRemaining = timeRemaining[0][currentMove];
13621 blackTimeRemaining = timeRemaining[1][currentMove];
13623 DisplayBothClocks();
13624 DisplayMove(currentMove - 1);
13625 DrawPosition(full_redraw, boards[currentMove]);
13626 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13627 // [HGM] PV info: routine tests if comment empty
13628 DisplayComment(currentMove - 1, commentList[currentMove]);
13629 DisplayBook(currentMove);
13635 if (gameMode == IcsExamining && !pausing) {
13636 SendToICS(ics_prefix);
13637 SendToICS("backward\n");
13639 BackwardInner(currentMove - 1);
13646 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13647 /* to optimize, we temporarily turn off analysis mode while we undo
13648 * all the moves. Otherwise we get analysis output after each undo.
13650 if (first.analysisSupport) {
13651 SendToProgram("exit\nforce\n", &first);
13652 first.analyzing = FALSE;
13656 if (gameMode == IcsExamining && !pausing) {
13657 SendToICS(ics_prefix);
13658 SendToICS("backward 999999\n");
13660 BackwardInner(backwardMostMove);
13663 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13664 /* we have fed all the moves, so reactivate analysis mode */
13665 SendToProgram("analyze\n", &first);
13666 first.analyzing = TRUE;
13667 /*first.maybeThinking = TRUE;*/
13668 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13675 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13676 if (to >= forwardMostMove) to = forwardMostMove;
13677 if (to <= backwardMostMove) to = backwardMostMove;
13678 if (to < currentMove) {
13686 RevertEvent(Boolean annotate)
13688 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13691 if (gameMode != IcsExamining) {
13692 DisplayError(_("You are not examining a game"), 0);
13696 DisplayError(_("You can't revert while pausing"), 0);
13699 SendToICS(ics_prefix);
13700 SendToICS("revert\n");
13706 switch (gameMode) {
13707 case MachinePlaysWhite:
13708 case MachinePlaysBlack:
13709 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13710 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13713 if (forwardMostMove < 2) return;
13714 currentMove = forwardMostMove = forwardMostMove - 2;
13715 whiteTimeRemaining = timeRemaining[0][currentMove];
13716 blackTimeRemaining = timeRemaining[1][currentMove];
13717 DisplayBothClocks();
13718 DisplayMove(currentMove - 1);
13719 ClearHighlights();/*!! could figure this out*/
13720 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13721 SendToProgram("remove\n", &first);
13722 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13725 case BeginningOfGame:
13729 case IcsPlayingWhite:
13730 case IcsPlayingBlack:
13731 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13732 SendToICS(ics_prefix);
13733 SendToICS("takeback 2\n");
13735 SendToICS(ics_prefix);
13736 SendToICS("takeback 1\n");
13745 ChessProgramState *cps;
13747 switch (gameMode) {
13748 case MachinePlaysWhite:
13749 if (!WhiteOnMove(forwardMostMove)) {
13750 DisplayError(_("It is your turn"), 0);
13755 case MachinePlaysBlack:
13756 if (WhiteOnMove(forwardMostMove)) {
13757 DisplayError(_("It is your turn"), 0);
13762 case TwoMachinesPlay:
13763 if (WhiteOnMove(forwardMostMove) ==
13764 (first.twoMachinesColor[0] == 'w')) {
13770 case BeginningOfGame:
13774 SendToProgram("?\n", cps);
13778 TruncateGameEvent()
13781 if (gameMode != EditGame) return;
13788 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13789 if (forwardMostMove > currentMove) {
13790 if (gameInfo.resultDetails != NULL) {
13791 free(gameInfo.resultDetails);
13792 gameInfo.resultDetails = NULL;
13793 gameInfo.result = GameUnfinished;
13795 forwardMostMove = currentMove;
13796 HistorySet(parseList, backwardMostMove, forwardMostMove,
13804 if (appData.noChessProgram) return;
13805 switch (gameMode) {
13806 case MachinePlaysWhite:
13807 if (WhiteOnMove(forwardMostMove)) {
13808 DisplayError(_("Wait until your turn"), 0);
13812 case BeginningOfGame:
13813 case MachinePlaysBlack:
13814 if (!WhiteOnMove(forwardMostMove)) {
13815 DisplayError(_("Wait until your turn"), 0);
13820 DisplayError(_("No hint available"), 0);
13823 SendToProgram("hint\n", &first);
13824 hintRequested = TRUE;
13830 if (appData.noChessProgram) return;
13831 switch (gameMode) {
13832 case MachinePlaysWhite:
13833 if (WhiteOnMove(forwardMostMove)) {
13834 DisplayError(_("Wait until your turn"), 0);
13838 case BeginningOfGame:
13839 case MachinePlaysBlack:
13840 if (!WhiteOnMove(forwardMostMove)) {
13841 DisplayError(_("Wait until your turn"), 0);
13846 EditPositionDone(TRUE);
13848 case TwoMachinesPlay:
13853 SendToProgram("bk\n", &first);
13854 bookOutput[0] = NULLCHAR;
13855 bookRequested = TRUE;
13861 char *tags = PGNTags(&gameInfo);
13862 TagsPopUp(tags, CmailMsg());
13866 /* end button procedures */
13869 PrintPosition(fp, move)
13875 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13876 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13877 char c = PieceToChar(boards[move][i][j]);
13878 fputc(c == 'x' ? '.' : c, fp);
13879 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13882 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13883 fprintf(fp, "white to play\n");
13885 fprintf(fp, "black to play\n");
13892 if (gameInfo.white != NULL) {
13893 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13899 /* Find last component of program's own name, using some heuristics */
13901 TidyProgramName(prog, host, buf)
13902 char *prog, *host, buf[MSG_SIZ];
13905 int local = (strcmp(host, "localhost") == 0);
13906 while (!local && (p = strchr(prog, ';')) != NULL) {
13908 while (*p == ' ') p++;
13911 if (*prog == '"' || *prog == '\'') {
13912 q = strchr(prog + 1, *prog);
13914 q = strchr(prog, ' ');
13916 if (q == NULL) q = prog + strlen(prog);
13918 while (p >= prog && *p != '/' && *p != '\\') p--;
13920 if(p == prog && *p == '"') p++;
13921 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13922 memcpy(buf, p, q - p);
13923 buf[q - p] = NULLCHAR;
13931 TimeControlTagValue()
13934 if (!appData.clockMode) {
13935 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13936 } else if (movesPerSession > 0) {
13937 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13938 } else if (timeIncrement == 0) {
13939 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13941 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13943 return StrSave(buf);
13949 /* This routine is used only for certain modes */
13950 VariantClass v = gameInfo.variant;
13951 ChessMove r = GameUnfinished;
13954 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13955 r = gameInfo.result;
13956 p = gameInfo.resultDetails;
13957 gameInfo.resultDetails = NULL;
13959 ClearGameInfo(&gameInfo);
13960 gameInfo.variant = v;
13962 switch (gameMode) {
13963 case MachinePlaysWhite:
13964 gameInfo.event = StrSave( appData.pgnEventHeader );
13965 gameInfo.site = StrSave(HostName());
13966 gameInfo.date = PGNDate();
13967 gameInfo.round = StrSave("-");
13968 gameInfo.white = StrSave(first.tidy);
13969 gameInfo.black = StrSave(UserName());
13970 gameInfo.timeControl = TimeControlTagValue();
13973 case MachinePlaysBlack:
13974 gameInfo.event = StrSave( appData.pgnEventHeader );
13975 gameInfo.site = StrSave(HostName());
13976 gameInfo.date = PGNDate();
13977 gameInfo.round = StrSave("-");
13978 gameInfo.white = StrSave(UserName());
13979 gameInfo.black = StrSave(first.tidy);
13980 gameInfo.timeControl = TimeControlTagValue();
13983 case TwoMachinesPlay:
13984 gameInfo.event = StrSave( appData.pgnEventHeader );
13985 gameInfo.site = StrSave(HostName());
13986 gameInfo.date = PGNDate();
13989 snprintf(buf, MSG_SIZ, "%d", roundNr);
13990 gameInfo.round = StrSave(buf);
13992 gameInfo.round = StrSave("-");
13994 if (first.twoMachinesColor[0] == 'w') {
13995 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
13996 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
13998 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
13999 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14001 gameInfo.timeControl = TimeControlTagValue();
14005 gameInfo.event = StrSave("Edited game");
14006 gameInfo.site = StrSave(HostName());
14007 gameInfo.date = PGNDate();
14008 gameInfo.round = StrSave("-");
14009 gameInfo.white = StrSave("-");
14010 gameInfo.black = StrSave("-");
14011 gameInfo.result = r;
14012 gameInfo.resultDetails = p;
14016 gameInfo.event = StrSave("Edited position");
14017 gameInfo.site = StrSave(HostName());
14018 gameInfo.date = PGNDate();
14019 gameInfo.round = StrSave("-");
14020 gameInfo.white = StrSave("-");
14021 gameInfo.black = StrSave("-");
14024 case IcsPlayingWhite:
14025 case IcsPlayingBlack:
14030 case PlayFromGameFile:
14031 gameInfo.event = StrSave("Game from non-PGN file");
14032 gameInfo.site = StrSave(HostName());
14033 gameInfo.date = PGNDate();
14034 gameInfo.round = StrSave("-");
14035 gameInfo.white = StrSave("?");
14036 gameInfo.black = StrSave("?");
14045 ReplaceComment(index, text)
14053 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14054 pvInfoList[index-1].depth == len &&
14055 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14056 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14057 while (*text == '\n') text++;
14058 len = strlen(text);
14059 while (len > 0 && text[len - 1] == '\n') len--;
14061 if (commentList[index] != NULL)
14062 free(commentList[index]);
14065 commentList[index] = NULL;
14068 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14069 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14070 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14071 commentList[index] = (char *) malloc(len + 2);
14072 strncpy(commentList[index], text, len);
14073 commentList[index][len] = '\n';
14074 commentList[index][len + 1] = NULLCHAR;
14076 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14078 commentList[index] = (char *) malloc(len + 7);
14079 safeStrCpy(commentList[index], "{\n", 3);
14080 safeStrCpy(commentList[index]+2, text, len+1);
14081 commentList[index][len+2] = NULLCHAR;
14082 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14083 strcat(commentList[index], "\n}\n");
14097 if (ch == '\r') continue;
14099 } while (ch != '\0');
14103 AppendComment(index, text, addBraces)
14106 Boolean addBraces; // [HGM] braces: tells if we should add {}
14111 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14112 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14115 while (*text == '\n') text++;
14116 len = strlen(text);
14117 while (len > 0 && text[len - 1] == '\n') len--;
14119 if (len == 0) return;
14121 if (commentList[index] != NULL) {
14122 old = commentList[index];
14123 oldlen = strlen(old);
14124 while(commentList[index][oldlen-1] == '\n')
14125 commentList[index][--oldlen] = NULLCHAR;
14126 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14127 safeStrCpy(commentList[index], old, oldlen + len + 6);
14129 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14130 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14131 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14132 while (*text == '\n') { text++; len--; }
14133 commentList[index][--oldlen] = NULLCHAR;
14135 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14136 else strcat(commentList[index], "\n");
14137 strcat(commentList[index], text);
14138 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14139 else strcat(commentList[index], "\n");
14141 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14143 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14144 else commentList[index][0] = NULLCHAR;
14145 strcat(commentList[index], text);
14146 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14147 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14151 static char * FindStr( char * text, char * sub_text )
14153 char * result = strstr( text, sub_text );
14155 if( result != NULL ) {
14156 result += strlen( sub_text );
14162 /* [AS] Try to extract PV info from PGN comment */
14163 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14164 char *GetInfoFromComment( int index, char * text )
14166 char * sep = text, *p;
14168 if( text != NULL && index > 0 ) {
14171 int time = -1, sec = 0, deci;
14172 char * s_eval = FindStr( text, "[%eval " );
14173 char * s_emt = FindStr( text, "[%emt " );
14175 if( s_eval != NULL || s_emt != NULL ) {
14179 if( s_eval != NULL ) {
14180 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14184 if( delim != ']' ) {
14189 if( s_emt != NULL ) {
14194 /* We expect something like: [+|-]nnn.nn/dd */
14197 if(*text != '{') return text; // [HGM] braces: must be normal comment
14199 sep = strchr( text, '/' );
14200 if( sep == NULL || sep < (text+4) ) {
14205 if(p[1] == '(') { // comment starts with PV
14206 p = strchr(p, ')'); // locate end of PV
14207 if(p == NULL || sep < p+5) return text;
14208 // at this point we have something like "{(.*) +0.23/6 ..."
14209 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14210 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14211 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14213 time = -1; sec = -1; deci = -1;
14214 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14215 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14216 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14217 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14221 if( score_lo < 0 || score_lo >= 100 ) {
14225 if(sec >= 0) time = 600*time + 10*sec; else
14226 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14228 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14230 /* [HGM] PV time: now locate end of PV info */
14231 while( *++sep >= '0' && *sep <= '9'); // strip depth
14233 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14235 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14237 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14238 while(*sep == ' ') sep++;
14249 pvInfoList[index-1].depth = depth;
14250 pvInfoList[index-1].score = score;
14251 pvInfoList[index-1].time = 10*time; // centi-sec
14252 if(*sep == '}') *sep = 0; else *--sep = '{';
14253 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14259 SendToProgram(message, cps)
14261 ChessProgramState *cps;
14263 int count, outCount, error;
14266 if (cps->pr == NULL) return;
14269 if (appData.debugMode) {
14272 fprintf(debugFP, "%ld >%-6s: %s",
14273 SubtractTimeMarks(&now, &programStartTime),
14274 cps->which, message);
14277 count = strlen(message);
14278 outCount = OutputToProcess(cps->pr, message, count, &error);
14279 if (outCount < count && !exiting
14280 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14281 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14282 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14283 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14284 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14285 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14286 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14287 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14289 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14290 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14291 gameInfo.result = res;
14293 gameInfo.resultDetails = StrSave(buf);
14295 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14296 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14301 ReceiveFromProgram(isr, closure, message, count, error)
14302 InputSourceRef isr;
14310 ChessProgramState *cps = (ChessProgramState *)closure;
14312 if (isr != cps->isr) return; /* Killed intentionally */
14315 RemoveInputSource(cps->isr);
14316 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14317 _(cps->which), cps->program);
14318 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14319 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14320 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14321 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14322 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14324 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14325 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14326 gameInfo.result = res;
14328 gameInfo.resultDetails = StrSave(buf);
14330 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14331 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14333 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14334 _(cps->which), cps->program);
14335 RemoveInputSource(cps->isr);
14337 /* [AS] Program is misbehaving badly... kill it */
14338 if( count == -2 ) {
14339 DestroyChildProcess( cps->pr, 9 );
14343 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14348 if ((end_str = strchr(message, '\r')) != NULL)
14349 *end_str = NULLCHAR;
14350 if ((end_str = strchr(message, '\n')) != NULL)
14351 *end_str = NULLCHAR;
14353 if (appData.debugMode) {
14354 TimeMark now; int print = 1;
14355 char *quote = ""; char c; int i;
14357 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14358 char start = message[0];
14359 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14360 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14361 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14362 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14363 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14364 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14365 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14366 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14367 sscanf(message, "hint: %c", &c)!=1 &&
14368 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14369 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14370 print = (appData.engineComments >= 2);
14372 message[0] = start; // restore original message
14376 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14377 SubtractTimeMarks(&now, &programStartTime), cps->which,
14383 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14384 if (appData.icsEngineAnalyze) {
14385 if (strstr(message, "whisper") != NULL ||
14386 strstr(message, "kibitz") != NULL ||
14387 strstr(message, "tellics") != NULL) return;
14390 HandleMachineMove(message, cps);
14395 SendTimeControl(cps, mps, tc, inc, sd, st)
14396 ChessProgramState *cps;
14397 int mps, inc, sd, st;
14403 if( timeControl_2 > 0 ) {
14404 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14405 tc = timeControl_2;
14408 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14409 inc /= cps->timeOdds;
14410 st /= cps->timeOdds;
14412 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14415 /* Set exact time per move, normally using st command */
14416 if (cps->stKludge) {
14417 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14419 if (seconds == 0) {
14420 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14422 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14425 snprintf(buf, MSG_SIZ, "st %d\n", st);
14428 /* Set conventional or incremental time control, using level command */
14429 if (seconds == 0) {
14430 /* Note old gnuchess bug -- minutes:seconds used to not work.
14431 Fixed in later versions, but still avoid :seconds
14432 when seconds is 0. */
14433 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14435 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14436 seconds, inc/1000.);
14439 SendToProgram(buf, cps);
14441 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14442 /* Orthogonally, limit search to given depth */
14444 if (cps->sdKludge) {
14445 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14447 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14449 SendToProgram(buf, cps);
14452 if(cps->nps >= 0) { /* [HGM] nps */
14453 if(cps->supportsNPS == FALSE)
14454 cps->nps = -1; // don't use if engine explicitly says not supported!
14456 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14457 SendToProgram(buf, cps);
14462 ChessProgramState *WhitePlayer()
14463 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14465 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14466 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14472 SendTimeRemaining(cps, machineWhite)
14473 ChessProgramState *cps;
14474 int /*boolean*/ machineWhite;
14476 char message[MSG_SIZ];
14479 /* Note: this routine must be called when the clocks are stopped
14480 or when they have *just* been set or switched; otherwise
14481 it will be off by the time since the current tick started.
14483 if (machineWhite) {
14484 time = whiteTimeRemaining / 10;
14485 otime = blackTimeRemaining / 10;
14487 time = blackTimeRemaining / 10;
14488 otime = whiteTimeRemaining / 10;
14490 /* [HGM] translate opponent's time by time-odds factor */
14491 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14492 if (appData.debugMode) {
14493 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14496 if (time <= 0) time = 1;
14497 if (otime <= 0) otime = 1;
14499 snprintf(message, MSG_SIZ, "time %ld\n", time);
14500 SendToProgram(message, cps);
14502 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14503 SendToProgram(message, cps);
14507 BoolFeature(p, name, loc, cps)
14511 ChessProgramState *cps;
14514 int len = strlen(name);
14517 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14519 sscanf(*p, "%d", &val);
14521 while (**p && **p != ' ')
14523 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14524 SendToProgram(buf, cps);
14531 IntFeature(p, name, loc, cps)
14535 ChessProgramState *cps;
14538 int len = strlen(name);
14539 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14541 sscanf(*p, "%d", loc);
14542 while (**p && **p != ' ') (*p)++;
14543 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14544 SendToProgram(buf, cps);
14551 StringFeature(p, name, loc, cps)
14555 ChessProgramState *cps;
14558 int len = strlen(name);
14559 if (strncmp((*p), name, len) == 0
14560 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14562 sscanf(*p, "%[^\"]", loc);
14563 while (**p && **p != '\"') (*p)++;
14564 if (**p == '\"') (*p)++;
14565 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14566 SendToProgram(buf, cps);
14573 ParseOption(Option *opt, ChessProgramState *cps)
14574 // [HGM] options: process the string that defines an engine option, and determine
14575 // name, type, default value, and allowed value range
14577 char *p, *q, buf[MSG_SIZ];
14578 int n, min = (-1)<<31, max = 1<<31, def;
14580 if(p = strstr(opt->name, " -spin ")) {
14581 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14582 if(max < min) max = min; // enforce consistency
14583 if(def < min) def = min;
14584 if(def > max) def = max;
14589 } else if((p = strstr(opt->name, " -slider "))) {
14590 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14591 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14592 if(max < min) max = min; // enforce consistency
14593 if(def < min) def = min;
14594 if(def > max) def = max;
14598 opt->type = Spin; // Slider;
14599 } else if((p = strstr(opt->name, " -string "))) {
14600 opt->textValue = p+9;
14601 opt->type = TextBox;
14602 } else if((p = strstr(opt->name, " -file "))) {
14603 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14604 opt->textValue = p+7;
14605 opt->type = FileName; // FileName;
14606 } else if((p = strstr(opt->name, " -path "))) {
14607 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14608 opt->textValue = p+7;
14609 opt->type = PathName; // PathName;
14610 } else if(p = strstr(opt->name, " -check ")) {
14611 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14612 opt->value = (def != 0);
14613 opt->type = CheckBox;
14614 } else if(p = strstr(opt->name, " -combo ")) {
14615 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14616 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14617 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14618 opt->value = n = 0;
14619 while(q = StrStr(q, " /// ")) {
14620 n++; *q = 0; // count choices, and null-terminate each of them
14622 if(*q == '*') { // remember default, which is marked with * prefix
14626 cps->comboList[cps->comboCnt++] = q;
14628 cps->comboList[cps->comboCnt++] = NULL;
14630 opt->type = ComboBox;
14631 } else if(p = strstr(opt->name, " -button")) {
14632 opt->type = Button;
14633 } else if(p = strstr(opt->name, " -save")) {
14634 opt->type = SaveButton;
14635 } else return FALSE;
14636 *p = 0; // terminate option name
14637 // now look if the command-line options define a setting for this engine option.
14638 if(cps->optionSettings && cps->optionSettings[0])
14639 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14640 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14641 snprintf(buf, MSG_SIZ, "option %s", p);
14642 if(p = strstr(buf, ",")) *p = 0;
14643 if(q = strchr(buf, '=')) switch(opt->type) {
14645 for(n=0; n<opt->max; n++)
14646 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14649 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14653 opt->value = atoi(q+1);
14658 SendToProgram(buf, cps);
14664 FeatureDone(cps, val)
14665 ChessProgramState* cps;
14668 DelayedEventCallback cb = GetDelayedEvent();
14669 if ((cb == InitBackEnd3 && cps == &first) ||
14670 (cb == SettingsMenuIfReady && cps == &second) ||
14671 (cb == LoadEngine) ||
14672 (cb == TwoMachinesEventIfReady)) {
14673 CancelDelayedEvent();
14674 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14676 cps->initDone = val;
14679 /* Parse feature command from engine */
14681 ParseFeatures(args, cps)
14683 ChessProgramState *cps;
14691 while (*p == ' ') p++;
14692 if (*p == NULLCHAR) return;
14694 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14695 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14696 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14697 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14698 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14699 if (BoolFeature(&p, "reuse", &val, cps)) {
14700 /* Engine can disable reuse, but can't enable it if user said no */
14701 if (!val) cps->reuse = FALSE;
14704 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14705 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14706 if (gameMode == TwoMachinesPlay) {
14707 DisplayTwoMachinesTitle();
14713 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14714 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14715 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14716 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14717 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14718 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14719 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14720 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14721 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14722 if (IntFeature(&p, "done", &val, cps)) {
14723 FeatureDone(cps, val);
14726 /* Added by Tord: */
14727 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14728 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14729 /* End of additions by Tord */
14731 /* [HGM] added features: */
14732 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14733 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14734 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14735 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14736 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14737 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14738 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14739 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14740 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14741 SendToProgram(buf, cps);
14744 if(cps->nrOptions >= MAX_OPTIONS) {
14746 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14747 DisplayError(buf, 0);
14751 /* End of additions by HGM */
14753 /* unknown feature: complain and skip */
14755 while (*q && *q != '=') q++;
14756 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14757 SendToProgram(buf, cps);
14763 while (*p && *p != '\"') p++;
14764 if (*p == '\"') p++;
14766 while (*p && *p != ' ') p++;
14774 PeriodicUpdatesEvent(newState)
14777 if (newState == appData.periodicUpdates)
14780 appData.periodicUpdates=newState;
14782 /* Display type changes, so update it now */
14783 // DisplayAnalysis();
14785 /* Get the ball rolling again... */
14787 AnalysisPeriodicEvent(1);
14788 StartAnalysisClock();
14793 PonderNextMoveEvent(newState)
14796 if (newState == appData.ponderNextMove) return;
14797 if (gameMode == EditPosition) EditPositionDone(TRUE);
14799 SendToProgram("hard\n", &first);
14800 if (gameMode == TwoMachinesPlay) {
14801 SendToProgram("hard\n", &second);
14804 SendToProgram("easy\n", &first);
14805 thinkOutput[0] = NULLCHAR;
14806 if (gameMode == TwoMachinesPlay) {
14807 SendToProgram("easy\n", &second);
14810 appData.ponderNextMove = newState;
14814 NewSettingEvent(option, feature, command, value)
14816 int option, value, *feature;
14820 if (gameMode == EditPosition) EditPositionDone(TRUE);
14821 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14822 if(feature == NULL || *feature) SendToProgram(buf, &first);
14823 if (gameMode == TwoMachinesPlay) {
14824 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14829 ShowThinkingEvent()
14830 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14832 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14833 int newState = appData.showThinking
14834 // [HGM] thinking: other features now need thinking output as well
14835 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14837 if (oldState == newState) return;
14838 oldState = newState;
14839 if (gameMode == EditPosition) EditPositionDone(TRUE);
14841 SendToProgram("post\n", &first);
14842 if (gameMode == TwoMachinesPlay) {
14843 SendToProgram("post\n", &second);
14846 SendToProgram("nopost\n", &first);
14847 thinkOutput[0] = NULLCHAR;
14848 if (gameMode == TwoMachinesPlay) {
14849 SendToProgram("nopost\n", &second);
14852 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14856 AskQuestionEvent(title, question, replyPrefix, which)
14857 char *title; char *question; char *replyPrefix; char *which;
14859 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14860 if (pr == NoProc) return;
14861 AskQuestion(title, question, replyPrefix, pr);
14865 TypeInEvent(char firstChar)
14867 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
\r
14868 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
\r
14869 gameMode == AnalyzeMode || gameMode == EditGame ||
\r
14870 gameMode == EditPosition || gameMode == IcsExamining ||
\r
14871 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
\r
14872 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
\r
14873 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
\r
14874 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
\r
14875 gameMode == Training) PopUpMoveDialog(firstChar);
14879 TypeInDoneEvent(char *move)
14882 int n, fromX, fromY, toX, toY;
14884 ChessMove moveType;
\r
14887 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
\r
14888 EditPositionPasteFEN(move);
\r
14891 // [HGM] movenum: allow move number to be typed in any mode
\r
14892 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
\r
14893 ToNrEvent(2*n-1);
\r
14897 if (gameMode != EditGame && currentMove != forwardMostMove &&
\r
14898 gameMode != Training) {
\r
14899 DisplayMoveError(_("Displayed move is not current"));
\r
14901 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
14902 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
\r
14903 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
\r
14904 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
14905 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
\r
14906 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
\r
14908 DisplayMoveError(_("Could not parse move"));
\r
14914 DisplayMove(moveNumber)
14917 char message[MSG_SIZ];
14919 char cpThinkOutput[MSG_SIZ];
14921 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14923 if (moveNumber == forwardMostMove - 1 ||
14924 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14926 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14928 if (strchr(cpThinkOutput, '\n')) {
14929 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14932 *cpThinkOutput = NULLCHAR;
14935 /* [AS] Hide thinking from human user */
14936 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14937 *cpThinkOutput = NULLCHAR;
14938 if( thinkOutput[0] != NULLCHAR ) {
14941 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14942 cpThinkOutput[i] = '.';
14944 cpThinkOutput[i] = NULLCHAR;
14945 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14949 if (moveNumber == forwardMostMove - 1 &&
14950 gameInfo.resultDetails != NULL) {
14951 if (gameInfo.resultDetails[0] == NULLCHAR) {
14952 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14954 snprintf(res, MSG_SIZ, " {%s} %s",
14955 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14961 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14962 DisplayMessage(res, cpThinkOutput);
14964 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14965 WhiteOnMove(moveNumber) ? " " : ".. ",
14966 parseList[moveNumber], res);
14967 DisplayMessage(message, cpThinkOutput);
14972 DisplayComment(moveNumber, text)
14976 char title[MSG_SIZ];
14977 char buf[8000]; // comment can be long!
14980 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14981 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14983 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14984 WhiteOnMove(moveNumber) ? " " : ".. ",
14985 parseList[moveNumber]);
14987 // [HGM] PV info: display PV info together with (or as) comment
14988 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14989 if(text == NULL) text = "";
14990 score = pvInfoList[moveNumber].score;
14991 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14992 depth, (pvInfoList[moveNumber].time+50)/100, text);
14995 if (text != NULL && (appData.autoDisplayComment || commentUp))
14996 CommentPopUp(title, text);
14999 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15000 * might be busy thinking or pondering. It can be omitted if your
15001 * gnuchess is configured to stop thinking immediately on any user
15002 * input. However, that gnuchess feature depends on the FIONREAD
15003 * ioctl, which does not work properly on some flavors of Unix.
15007 ChessProgramState *cps;
15010 if (!cps->useSigint) return;
15011 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15012 switch (gameMode) {
15013 case MachinePlaysWhite:
15014 case MachinePlaysBlack:
15015 case TwoMachinesPlay:
15016 case IcsPlayingWhite:
15017 case IcsPlayingBlack:
15020 /* Skip if we know it isn't thinking */
15021 if (!cps->maybeThinking) return;
15022 if (appData.debugMode)
15023 fprintf(debugFP, "Interrupting %s\n", cps->which);
15024 InterruptChildProcess(cps->pr);
15025 cps->maybeThinking = FALSE;
15030 #endif /*ATTENTION*/
15036 if (whiteTimeRemaining <= 0) {
15039 if (appData.icsActive) {
15040 if (appData.autoCallFlag &&
15041 gameMode == IcsPlayingBlack && !blackFlag) {
15042 SendToICS(ics_prefix);
15043 SendToICS("flag\n");
15047 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15049 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15050 if (appData.autoCallFlag) {
15051 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15058 if (blackTimeRemaining <= 0) {
15061 if (appData.icsActive) {
15062 if (appData.autoCallFlag &&
15063 gameMode == IcsPlayingWhite && !whiteFlag) {
15064 SendToICS(ics_prefix);
15065 SendToICS("flag\n");
15069 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15071 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15072 if (appData.autoCallFlag) {
15073 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15086 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15087 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15090 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15092 if ( !WhiteOnMove(forwardMostMove) ) {
15093 /* White made time control */
15094 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15095 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15096 /* [HGM] time odds: correct new time quota for time odds! */
15097 / WhitePlayer()->timeOdds;
15098 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15100 lastBlack -= blackTimeRemaining;
15101 /* Black made time control */
15102 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15103 / WhitePlayer()->other->timeOdds;
15104 lastWhite = whiteTimeRemaining;
15109 DisplayBothClocks()
15111 int wom = gameMode == EditPosition ?
15112 !blackPlaysFirst : WhiteOnMove(currentMove);
15113 DisplayWhiteClock(whiteTimeRemaining, wom);
15114 DisplayBlackClock(blackTimeRemaining, !wom);
15118 /* Timekeeping seems to be a portability nightmare. I think everyone
15119 has ftime(), but I'm really not sure, so I'm including some ifdefs
15120 to use other calls if you don't. Clocks will be less accurate if
15121 you have neither ftime nor gettimeofday.
15124 /* VS 2008 requires the #include outside of the function */
15125 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15126 #include <sys/timeb.h>
15129 /* Get the current time as a TimeMark */
15134 #if HAVE_GETTIMEOFDAY
15136 struct timeval timeVal;
15137 struct timezone timeZone;
15139 gettimeofday(&timeVal, &timeZone);
15140 tm->sec = (long) timeVal.tv_sec;
15141 tm->ms = (int) (timeVal.tv_usec / 1000L);
15143 #else /*!HAVE_GETTIMEOFDAY*/
15146 // include <sys/timeb.h> / moved to just above start of function
15147 struct timeb timeB;
15150 tm->sec = (long) timeB.time;
15151 tm->ms = (int) timeB.millitm;
15153 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15154 tm->sec = (long) time(NULL);
15160 /* Return the difference in milliseconds between two
15161 time marks. We assume the difference will fit in a long!
15164 SubtractTimeMarks(tm2, tm1)
15165 TimeMark *tm2, *tm1;
15167 return 1000L*(tm2->sec - tm1->sec) +
15168 (long) (tm2->ms - tm1->ms);
15173 * Code to manage the game clocks.
15175 * In tournament play, black starts the clock and then white makes a move.
15176 * We give the human user a slight advantage if he is playing white---the
15177 * clocks don't run until he makes his first move, so it takes zero time.
15178 * Also, we don't account for network lag, so we could get out of sync
15179 * with GNU Chess's clock -- but then, referees are always right.
15182 static TimeMark tickStartTM;
15183 static long intendedTickLength;
15186 NextTickLength(timeRemaining)
15187 long timeRemaining;
15189 long nominalTickLength, nextTickLength;
15191 if (timeRemaining > 0L && timeRemaining <= 10000L)
15192 nominalTickLength = 100L;
15194 nominalTickLength = 1000L;
15195 nextTickLength = timeRemaining % nominalTickLength;
15196 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15198 return nextTickLength;
15201 /* Adjust clock one minute up or down */
15203 AdjustClock(Boolean which, int dir)
15205 if(which) blackTimeRemaining += 60000*dir;
15206 else whiteTimeRemaining += 60000*dir;
15207 DisplayBothClocks();
15210 /* Stop clocks and reset to a fresh time control */
15214 (void) StopClockTimer();
15215 if (appData.icsActive) {
15216 whiteTimeRemaining = blackTimeRemaining = 0;
15217 } else if (searchTime) {
15218 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15219 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15220 } else { /* [HGM] correct new time quote for time odds */
15221 whiteTC = blackTC = fullTimeControlString;
15222 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15223 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15225 if (whiteFlag || blackFlag) {
15227 whiteFlag = blackFlag = FALSE;
15229 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15230 DisplayBothClocks();
15233 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15235 /* Decrement running clock by amount of time that has passed */
15239 long timeRemaining;
15240 long lastTickLength, fudge;
15243 if (!appData.clockMode) return;
15244 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15248 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15250 /* Fudge if we woke up a little too soon */
15251 fudge = intendedTickLength - lastTickLength;
15252 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15254 if (WhiteOnMove(forwardMostMove)) {
15255 if(whiteNPS >= 0) lastTickLength = 0;
15256 timeRemaining = whiteTimeRemaining -= lastTickLength;
15257 if(timeRemaining < 0 && !appData.icsActive) {
15258 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15259 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15260 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15261 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15264 DisplayWhiteClock(whiteTimeRemaining - fudge,
15265 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15267 if(blackNPS >= 0) lastTickLength = 0;
15268 timeRemaining = blackTimeRemaining -= lastTickLength;
15269 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15270 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15272 blackStartMove = forwardMostMove;
15273 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15276 DisplayBlackClock(blackTimeRemaining - fudge,
15277 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15279 if (CheckFlags()) return;
15282 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15283 StartClockTimer(intendedTickLength);
15285 /* if the time remaining has fallen below the alarm threshold, sound the
15286 * alarm. if the alarm has sounded and (due to a takeback or time control
15287 * with increment) the time remaining has increased to a level above the
15288 * threshold, reset the alarm so it can sound again.
15291 if (appData.icsActive && appData.icsAlarm) {
15293 /* make sure we are dealing with the user's clock */
15294 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15295 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15298 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15299 alarmSounded = FALSE;
15300 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15302 alarmSounded = TRUE;
15308 /* A player has just moved, so stop the previously running
15309 clock and (if in clock mode) start the other one.
15310 We redisplay both clocks in case we're in ICS mode, because
15311 ICS gives us an update to both clocks after every move.
15312 Note that this routine is called *after* forwardMostMove
15313 is updated, so the last fractional tick must be subtracted
15314 from the color that is *not* on move now.
15317 SwitchClocks(int newMoveNr)
15319 long lastTickLength;
15321 int flagged = FALSE;
15325 if (StopClockTimer() && appData.clockMode) {
15326 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15327 if (!WhiteOnMove(forwardMostMove)) {
15328 if(blackNPS >= 0) lastTickLength = 0;
15329 blackTimeRemaining -= lastTickLength;
15330 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15331 // if(pvInfoList[forwardMostMove].time == -1)
15332 pvInfoList[forwardMostMove].time = // use GUI time
15333 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15335 if(whiteNPS >= 0) lastTickLength = 0;
15336 whiteTimeRemaining -= lastTickLength;
15337 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15338 // if(pvInfoList[forwardMostMove].time == -1)
15339 pvInfoList[forwardMostMove].time =
15340 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15342 flagged = CheckFlags();
15344 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15345 CheckTimeControl();
15347 if (flagged || !appData.clockMode) return;
15349 switch (gameMode) {
15350 case MachinePlaysBlack:
15351 case MachinePlaysWhite:
15352 case BeginningOfGame:
15353 if (pausing) return;
15357 case PlayFromGameFile:
15365 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15366 if(WhiteOnMove(forwardMostMove))
15367 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15368 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15372 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15373 whiteTimeRemaining : blackTimeRemaining);
15374 StartClockTimer(intendedTickLength);
15378 /* Stop both clocks */
15382 long lastTickLength;
15385 if (!StopClockTimer()) return;
15386 if (!appData.clockMode) return;
15390 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15391 if (WhiteOnMove(forwardMostMove)) {
15392 if(whiteNPS >= 0) lastTickLength = 0;
15393 whiteTimeRemaining -= lastTickLength;
15394 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15396 if(blackNPS >= 0) lastTickLength = 0;
15397 blackTimeRemaining -= lastTickLength;
15398 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15403 /* Start clock of player on move. Time may have been reset, so
15404 if clock is already running, stop and restart it. */
15408 (void) StopClockTimer(); /* in case it was running already */
15409 DisplayBothClocks();
15410 if (CheckFlags()) return;
15412 if (!appData.clockMode) return;
15413 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15415 GetTimeMark(&tickStartTM);
15416 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15417 whiteTimeRemaining : blackTimeRemaining);
15419 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15420 whiteNPS = blackNPS = -1;
15421 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15422 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15423 whiteNPS = first.nps;
15424 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15425 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15426 blackNPS = first.nps;
15427 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15428 whiteNPS = second.nps;
15429 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15430 blackNPS = second.nps;
15431 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15433 StartClockTimer(intendedTickLength);
15440 long second, minute, hour, day;
15442 static char buf[32];
15444 if (ms > 0 && ms <= 9900) {
15445 /* convert milliseconds to tenths, rounding up */
15446 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15448 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15452 /* convert milliseconds to seconds, rounding up */
15453 /* use floating point to avoid strangeness of integer division
15454 with negative dividends on many machines */
15455 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15462 day = second / (60 * 60 * 24);
15463 second = second % (60 * 60 * 24);
15464 hour = second / (60 * 60);
15465 second = second % (60 * 60);
15466 minute = second / 60;
15467 second = second % 60;
15470 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15471 sign, day, hour, minute, second);
15473 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15475 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15482 * This is necessary because some C libraries aren't ANSI C compliant yet.
15485 StrStr(string, match)
15486 char *string, *match;
15490 length = strlen(match);
15492 for (i = strlen(string) - length; i >= 0; i--, string++)
15493 if (!strncmp(match, string, length))
15500 StrCaseStr(string, match)
15501 char *string, *match;
15505 length = strlen(match);
15507 for (i = strlen(string) - length; i >= 0; i--, string++) {
15508 for (j = 0; j < length; j++) {
15509 if (ToLower(match[j]) != ToLower(string[j]))
15512 if (j == length) return string;
15526 c1 = ToLower(*s1++);
15527 c2 = ToLower(*s2++);
15528 if (c1 > c2) return 1;
15529 if (c1 < c2) return -1;
15530 if (c1 == NULLCHAR) return 0;
15539 return isupper(c) ? tolower(c) : c;
15547 return islower(c) ? toupper(c) : c;
15549 #endif /* !_amigados */
15557 if ((ret = (char *) malloc(strlen(s) + 1)))
15559 safeStrCpy(ret, s, strlen(s)+1);
15565 StrSavePtr(s, savePtr)
15566 char *s, **savePtr;
15571 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15572 safeStrCpy(*savePtr, s, strlen(s)+1);
15584 clock = time((time_t *)NULL);
15585 tm = localtime(&clock);
15586 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15587 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15588 return StrSave(buf);
15593 PositionToFEN(move, overrideCastling)
15595 char *overrideCastling;
15597 int i, j, fromX, fromY, toX, toY;
15604 whiteToPlay = (gameMode == EditPosition) ?
15605 !blackPlaysFirst : (move % 2 == 0);
15608 /* Piece placement data */
15609 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15611 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15612 if (boards[move][i][j] == EmptySquare) {
15614 } else { ChessSquare piece = boards[move][i][j];
15615 if (emptycount > 0) {
15616 if(emptycount<10) /* [HGM] can be >= 10 */
15617 *p++ = '0' + emptycount;
15618 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15621 if(PieceToChar(piece) == '+') {
15622 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15624 piece = (ChessSquare)(DEMOTED piece);
15626 *p++ = PieceToChar(piece);
15628 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15629 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15634 if (emptycount > 0) {
15635 if(emptycount<10) /* [HGM] can be >= 10 */
15636 *p++ = '0' + emptycount;
15637 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15644 /* [HGM] print Crazyhouse or Shogi holdings */
15645 if( gameInfo.holdingsWidth ) {
15646 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15648 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15649 piece = boards[move][i][BOARD_WIDTH-1];
15650 if( piece != EmptySquare )
15651 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15652 *p++ = PieceToChar(piece);
15654 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15655 piece = boards[move][BOARD_HEIGHT-i-1][0];
15656 if( piece != EmptySquare )
15657 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15658 *p++ = PieceToChar(piece);
15661 if( q == p ) *p++ = '-';
15667 *p++ = whiteToPlay ? 'w' : 'b';
15670 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15671 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15673 if(nrCastlingRights) {
15675 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15676 /* [HGM] write directly from rights */
15677 if(boards[move][CASTLING][2] != NoRights &&
15678 boards[move][CASTLING][0] != NoRights )
15679 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15680 if(boards[move][CASTLING][2] != NoRights &&
15681 boards[move][CASTLING][1] != NoRights )
15682 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15683 if(boards[move][CASTLING][5] != NoRights &&
15684 boards[move][CASTLING][3] != NoRights )
15685 *p++ = boards[move][CASTLING][3] + AAA;
15686 if(boards[move][CASTLING][5] != NoRights &&
15687 boards[move][CASTLING][4] != NoRights )
15688 *p++ = boards[move][CASTLING][4] + AAA;
15691 /* [HGM] write true castling rights */
15692 if( nrCastlingRights == 6 ) {
15693 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15694 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15695 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15696 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15697 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15698 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15699 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15700 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15703 if (q == p) *p++ = '-'; /* No castling rights */
15707 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15708 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15709 /* En passant target square */
15710 if (move > backwardMostMove) {
15711 fromX = moveList[move - 1][0] - AAA;
15712 fromY = moveList[move - 1][1] - ONE;
15713 toX = moveList[move - 1][2] - AAA;
15714 toY = moveList[move - 1][3] - ONE;
15715 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15716 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15717 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15719 /* 2-square pawn move just happened */
15721 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15725 } else if(move == backwardMostMove) {
15726 // [HGM] perhaps we should always do it like this, and forget the above?
15727 if((signed char)boards[move][EP_STATUS] >= 0) {
15728 *p++ = boards[move][EP_STATUS] + AAA;
15729 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15740 /* [HGM] find reversible plies */
15741 { int i = 0, j=move;
15743 if (appData.debugMode) { int k;
15744 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15745 for(k=backwardMostMove; k<=forwardMostMove; k++)
15746 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15750 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15751 if( j == backwardMostMove ) i += initialRulePlies;
15752 sprintf(p, "%d ", i);
15753 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15755 /* Fullmove number */
15756 sprintf(p, "%d", (move / 2) + 1);
15758 return StrSave(buf);
15762 ParseFEN(board, blackPlaysFirst, fen)
15764 int *blackPlaysFirst;
15774 /* [HGM] by default clear Crazyhouse holdings, if present */
15775 if(gameInfo.holdingsWidth) {
15776 for(i=0; i<BOARD_HEIGHT; i++) {
15777 board[i][0] = EmptySquare; /* black holdings */
15778 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15779 board[i][1] = (ChessSquare) 0; /* black counts */
15780 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15784 /* Piece placement data */
15785 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15788 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15789 if (*p == '/') p++;
15790 emptycount = gameInfo.boardWidth - j;
15791 while (emptycount--)
15792 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15794 #if(BOARD_FILES >= 10)
15795 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15796 p++; emptycount=10;
15797 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15798 while (emptycount--)
15799 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15801 } else if (isdigit(*p)) {
15802 emptycount = *p++ - '0';
15803 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15804 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15805 while (emptycount--)
15806 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15807 } else if (*p == '+' || isalpha(*p)) {
15808 if (j >= gameInfo.boardWidth) return FALSE;
15810 piece = CharToPiece(*++p);
15811 if(piece == EmptySquare) return FALSE; /* unknown piece */
15812 piece = (ChessSquare) (PROMOTED piece ); p++;
15813 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15814 } else piece = CharToPiece(*p++);
15816 if(piece==EmptySquare) return FALSE; /* unknown piece */
15817 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15818 piece = (ChessSquare) (PROMOTED piece);
15819 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15822 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15828 while (*p == '/' || *p == ' ') p++;
15830 /* [HGM] look for Crazyhouse holdings here */
15831 while(*p==' ') p++;
15832 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15834 if(*p == '-' ) p++; /* empty holdings */ else {
15835 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15836 /* if we would allow FEN reading to set board size, we would */
15837 /* have to add holdings and shift the board read so far here */
15838 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15840 if((int) piece >= (int) BlackPawn ) {
15841 i = (int)piece - (int)BlackPawn;
15842 i = PieceToNumber((ChessSquare)i);
15843 if( i >= gameInfo.holdingsSize ) return FALSE;
15844 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15845 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15847 i = (int)piece - (int)WhitePawn;
15848 i = PieceToNumber((ChessSquare)i);
15849 if( i >= gameInfo.holdingsSize ) return FALSE;
15850 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15851 board[i][BOARD_WIDTH-2]++; /* black holdings */
15858 while(*p == ' ') p++;
15862 if(appData.colorNickNames) {
15863 if( c == appData.colorNickNames[0] ) c = 'w'; else
15864 if( c == appData.colorNickNames[1] ) c = 'b';
15868 *blackPlaysFirst = FALSE;
15871 *blackPlaysFirst = TRUE;
15877 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15878 /* return the extra info in global variiables */
15880 /* set defaults in case FEN is incomplete */
15881 board[EP_STATUS] = EP_UNKNOWN;
15882 for(i=0; i<nrCastlingRights; i++ ) {
15883 board[CASTLING][i] =
15884 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15885 } /* assume possible unless obviously impossible */
15886 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15887 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15888 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15889 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15890 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15891 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15892 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15893 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15896 while(*p==' ') p++;
15897 if(nrCastlingRights) {
15898 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15899 /* castling indicator present, so default becomes no castlings */
15900 for(i=0; i<nrCastlingRights; i++ ) {
15901 board[CASTLING][i] = NoRights;
15904 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15905 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15906 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15907 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15908 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15910 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15911 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15912 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15914 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15915 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15916 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15917 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15918 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15919 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15922 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15923 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15924 board[CASTLING][2] = whiteKingFile;
15927 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15928 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15929 board[CASTLING][2] = whiteKingFile;
15932 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15933 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15934 board[CASTLING][5] = blackKingFile;
15937 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15938 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15939 board[CASTLING][5] = blackKingFile;
15942 default: /* FRC castlings */
15943 if(c >= 'a') { /* black rights */
15944 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15945 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15946 if(i == BOARD_RGHT) break;
15947 board[CASTLING][5] = i;
15949 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15950 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15952 board[CASTLING][3] = c;
15954 board[CASTLING][4] = c;
15955 } else { /* white rights */
15956 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15957 if(board[0][i] == WhiteKing) break;
15958 if(i == BOARD_RGHT) break;
15959 board[CASTLING][2] = i;
15960 c -= AAA - 'a' + 'A';
15961 if(board[0][c] >= WhiteKing) break;
15963 board[CASTLING][0] = c;
15965 board[CASTLING][1] = c;
15969 for(i=0; i<nrCastlingRights; i++)
15970 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15971 if (appData.debugMode) {
15972 fprintf(debugFP, "FEN castling rights:");
15973 for(i=0; i<nrCastlingRights; i++)
15974 fprintf(debugFP, " %d", board[CASTLING][i]);
15975 fprintf(debugFP, "\n");
15978 while(*p==' ') p++;
15981 /* read e.p. field in games that know e.p. capture */
15982 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15983 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15985 p++; board[EP_STATUS] = EP_NONE;
15987 char c = *p++ - AAA;
15989 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15990 if(*p >= '0' && *p <='9') p++;
15991 board[EP_STATUS] = c;
15996 if(sscanf(p, "%d", &i) == 1) {
15997 FENrulePlies = i; /* 50-move ply counter */
15998 /* (The move number is still ignored) */
16005 EditPositionPasteFEN(char *fen)
16008 Board initial_position;
16010 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16011 DisplayError(_("Bad FEN position in clipboard"), 0);
16014 int savedBlackPlaysFirst = blackPlaysFirst;
16015 EditPositionEvent();
16016 blackPlaysFirst = savedBlackPlaysFirst;
16017 CopyBoard(boards[0], initial_position);
16018 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16019 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16020 DisplayBothClocks();
16021 DrawPosition(FALSE, boards[currentMove]);
16026 static char cseq[12] = "\\ ";
16028 Boolean set_cont_sequence(char *new_seq)
16033 // handle bad attempts to set the sequence
16035 return 0; // acceptable error - no debug
16037 len = strlen(new_seq);
16038 ret = (len > 0) && (len < sizeof(cseq));
16040 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16041 else if (appData.debugMode)
16042 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16047 reformat a source message so words don't cross the width boundary. internal
16048 newlines are not removed. returns the wrapped size (no null character unless
16049 included in source message). If dest is NULL, only calculate the size required
16050 for the dest buffer. lp argument indicats line position upon entry, and it's
16051 passed back upon exit.
16053 int wrap(char *dest, char *src, int count, int width, int *lp)
16055 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16057 cseq_len = strlen(cseq);
16058 old_line = line = *lp;
16059 ansi = len = clen = 0;
16061 for (i=0; i < count; i++)
16063 if (src[i] == '\033')
16066 // if we hit the width, back up
16067 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16069 // store i & len in case the word is too long
16070 old_i = i, old_len = len;
16072 // find the end of the last word
16073 while (i && src[i] != ' ' && src[i] != '\n')
16079 // word too long? restore i & len before splitting it
16080 if ((old_i-i+clen) >= width)
16087 if (i && src[i-1] == ' ')
16090 if (src[i] != ' ' && src[i] != '\n')
16097 // now append the newline and continuation sequence
16102 strncpy(dest+len, cseq, cseq_len);
16110 dest[len] = src[i];
16114 if (src[i] == '\n')
16119 if (dest && appData.debugMode)
16121 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16122 count, width, line, len, *lp);
16123 show_bytes(debugFP, src, count);
16124 fprintf(debugFP, "\ndest: ");
16125 show_bytes(debugFP, dest, len);
16126 fprintf(debugFP, "\n");
16128 *lp = dest ? line : old_line;
16133 // [HGM] vari: routines for shelving variations
16136 PushInner(int firstMove, int lastMove)
16138 int i, j, nrMoves = lastMove - firstMove;
16140 // push current tail of game on stack
16141 savedResult[storedGames] = gameInfo.result;
16142 savedDetails[storedGames] = gameInfo.resultDetails;
16143 gameInfo.resultDetails = NULL;
16144 savedFirst[storedGames] = firstMove;
16145 savedLast [storedGames] = lastMove;
16146 savedFramePtr[storedGames] = framePtr;
16147 framePtr -= nrMoves; // reserve space for the boards
16148 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16149 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16150 for(j=0; j<MOVE_LEN; j++)
16151 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16152 for(j=0; j<2*MOVE_LEN; j++)
16153 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16154 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16155 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16156 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16157 pvInfoList[firstMove+i-1].depth = 0;
16158 commentList[framePtr+i] = commentList[firstMove+i];
16159 commentList[firstMove+i] = NULL;
16163 forwardMostMove = firstMove; // truncate game so we can start variation
16167 PushTail(int firstMove, int lastMove)
16169 if(appData.icsActive) { // only in local mode
16170 forwardMostMove = currentMove; // mimic old ICS behavior
16173 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16175 PushInner(firstMove, lastMove);
16176 if(storedGames == 1) GreyRevert(FALSE);
16180 PopInner(Boolean annotate)
16183 char buf[8000], moveBuf[20];
16186 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16187 nrMoves = savedLast[storedGames] - currentMove;
16190 if(!WhiteOnMove(currentMove))
16191 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16192 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16193 for(i=currentMove; i<forwardMostMove; i++) {
16195 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16196 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16197 strcat(buf, moveBuf);
16198 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16199 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16203 for(i=1; i<=nrMoves; i++) { // copy last variation back
16204 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16205 for(j=0; j<MOVE_LEN; j++)
16206 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16207 for(j=0; j<2*MOVE_LEN; j++)
16208 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16209 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16210 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16211 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16212 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16213 commentList[currentMove+i] = commentList[framePtr+i];
16214 commentList[framePtr+i] = NULL;
16216 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16217 framePtr = savedFramePtr[storedGames];
16218 gameInfo.result = savedResult[storedGames];
16219 if(gameInfo.resultDetails != NULL) {
16220 free(gameInfo.resultDetails);
16222 gameInfo.resultDetails = savedDetails[storedGames];
16223 forwardMostMove = currentMove + nrMoves;
16227 PopTail(Boolean annotate)
16229 if(appData.icsActive) return FALSE; // only in local mode
16230 if(!storedGames) return FALSE; // sanity
16231 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16233 PopInner(annotate);
16235 if(storedGames == 0) GreyRevert(TRUE);
16241 { // remove all shelved variations
16243 for(i=0; i<storedGames; i++) {
16244 if(savedDetails[i])
16245 free(savedDetails[i]);
16246 savedDetails[i] = NULL;
16248 for(i=framePtr; i<MAX_MOVES; i++) {
16249 if(commentList[i]) free(commentList[i]);
16250 commentList[i] = NULL;
16252 framePtr = MAX_MOVES-1;
16257 LoadVariation(int index, char *text)
16258 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16259 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16260 int level = 0, move;
16262 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16263 // first find outermost bracketing variation
16264 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16265 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16266 if(*p == '{') wait = '}'; else
16267 if(*p == '[') wait = ']'; else
16268 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16269 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16271 if(*p == wait) wait = NULLCHAR; // closing ]} found
16274 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16275 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16276 end[1] = NULLCHAR; // clip off comment beyond variation
16277 ToNrEvent(currentMove-1);
16278 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16279 // kludge: use ParsePV() to append variation to game
16280 move = currentMove;
16281 ParsePV(start, TRUE, TRUE);
16282 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16283 ClearPremoveHighlights();
16285 ToNrEvent(currentMove+1);