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').
7577 char buf[MSG_SIZ], *move = bookHit;
7579 int fromX, fromY, toX, toY;
7583 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7584 &fromX, &fromY, &toX, &toY, &promoChar)) {
7585 (void) CoordsToAlgebraic(boards[forwardMostMove],
7586 PosFlags(forwardMostMove),
7587 fromY, fromX, toY, toX, promoChar, move);
7589 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7593 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7594 SendToProgram(buf, cps);
7595 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7596 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7597 SendToProgram("go\n", cps);
7598 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7599 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7600 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7601 SendToProgram("go\n", cps);
7602 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7604 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7608 ChessProgramState *savedState;
7609 void DeferredBookMove(void)
7611 if(savedState->lastPing != savedState->lastPong)
7612 ScheduleDelayedEvent(DeferredBookMove, 10);
7614 HandleMachineMove(savedMessage, savedState);
7618 HandleMachineMove(message, cps)
7620 ChessProgramState *cps;
7622 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7623 char realname[MSG_SIZ];
7624 int fromX, fromY, toX, toY;
7633 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7635 * Kludge to ignore BEL characters
7637 while (*message == '\007') message++;
7640 * [HGM] engine debug message: ignore lines starting with '#' character
7642 if(cps->debug && *message == '#') return;
7645 * Look for book output
7647 if (cps == &first && bookRequested) {
7648 if (message[0] == '\t' || message[0] == ' ') {
7649 /* Part of the book output is here; append it */
7650 strcat(bookOutput, message);
7651 strcat(bookOutput, " \n");
7653 } else if (bookOutput[0] != NULLCHAR) {
7654 /* All of book output has arrived; display it */
7655 char *p = bookOutput;
7656 while (*p != NULLCHAR) {
7657 if (*p == '\t') *p = ' ';
7660 DisplayInformation(bookOutput);
7661 bookRequested = FALSE;
7662 /* Fall through to parse the current output */
7667 * Look for machine move.
7669 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7670 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7672 /* This method is only useful on engines that support ping */
7673 if (cps->lastPing != cps->lastPong) {
7674 if (gameMode == BeginningOfGame) {
7675 /* Extra move from before last new; ignore */
7676 if (appData.debugMode) {
7677 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7680 if (appData.debugMode) {
7681 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7682 cps->which, gameMode);
7685 SendToProgram("undo\n", cps);
7691 case BeginningOfGame:
7692 /* Extra move from before last reset; ignore */
7693 if (appData.debugMode) {
7694 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7701 /* Extra move after we tried to stop. The mode test is
7702 not a reliable way of detecting this problem, but it's
7703 the best we can do on engines that don't support ping.
7705 if (appData.debugMode) {
7706 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7707 cps->which, gameMode);
7709 SendToProgram("undo\n", cps);
7712 case MachinePlaysWhite:
7713 case IcsPlayingWhite:
7714 machineWhite = TRUE;
7717 case MachinePlaysBlack:
7718 case IcsPlayingBlack:
7719 machineWhite = FALSE;
7722 case TwoMachinesPlay:
7723 machineWhite = (cps->twoMachinesColor[0] == 'w');
7726 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7727 if (appData.debugMode) {
7729 "Ignoring move out of turn by %s, gameMode %d"
7730 ", forwardMost %d\n",
7731 cps->which, gameMode, forwardMostMove);
7736 if (appData.debugMode) { int f = forwardMostMove;
7737 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7738 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7739 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7741 if(cps->alphaRank) AlphaRank(machineMove, 4);
7742 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7743 &fromX, &fromY, &toX, &toY, &promoChar)) {
7744 /* Machine move could not be parsed; ignore it. */
7745 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7746 machineMove, _(cps->which));
7747 DisplayError(buf1, 0);
7748 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7749 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7750 if (gameMode == TwoMachinesPlay) {
7751 GameEnds(machineWhite ? BlackWins : WhiteWins,
7757 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7758 /* So we have to redo legality test with true e.p. status here, */
7759 /* to make sure an illegal e.p. capture does not slip through, */
7760 /* to cause a forfeit on a justified illegal-move complaint */
7761 /* of the opponent. */
7762 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7764 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7765 fromY, fromX, toY, toX, promoChar);
7766 if (appData.debugMode) {
7768 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7769 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7770 fprintf(debugFP, "castling rights\n");
7772 if(moveType == IllegalMove) {
7773 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7774 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7775 GameEnds(machineWhite ? BlackWins : WhiteWins,
7778 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7779 /* [HGM] Kludge to handle engines that send FRC-style castling
7780 when they shouldn't (like TSCP-Gothic) */
7782 case WhiteASideCastleFR:
7783 case BlackASideCastleFR:
7785 currentMoveString[2]++;
7787 case WhiteHSideCastleFR:
7788 case BlackHSideCastleFR:
7790 currentMoveString[2]--;
7792 default: ; // nothing to do, but suppresses warning of pedantic compilers
7795 hintRequested = FALSE;
7796 lastHint[0] = NULLCHAR;
7797 bookRequested = FALSE;
7798 /* Program may be pondering now */
7799 cps->maybeThinking = TRUE;
7800 if (cps->sendTime == 2) cps->sendTime = 1;
7801 if (cps->offeredDraw) cps->offeredDraw--;
7803 /* [AS] Save move info*/
7804 pvInfoList[ forwardMostMove ].score = programStats.score;
7805 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7806 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7808 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7810 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7811 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7814 while( count < adjudicateLossPlies ) {
7815 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7818 score = -score; /* Flip score for winning side */
7821 if( score > adjudicateLossThreshold ) {
7828 if( count >= adjudicateLossPlies ) {
7829 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7831 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7832 "Xboard adjudication",
7839 if(Adjudicate(cps)) {
7840 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7841 return; // [HGM] adjudicate: for all automatic game ends
7845 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7847 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7848 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7850 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7852 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7854 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7855 char buf[3*MSG_SIZ];
7857 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7858 programStats.score / 100.,
7860 programStats.time / 100.,
7861 (unsigned int)programStats.nodes,
7862 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7863 programStats.movelist);
7865 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7870 /* [AS] Clear stats for next move */
7871 ClearProgramStats();
7872 thinkOutput[0] = NULLCHAR;
7873 hiddenThinkOutputState = 0;
7876 if (gameMode == TwoMachinesPlay) {
7877 /* [HGM] relaying draw offers moved to after reception of move */
7878 /* and interpreting offer as claim if it brings draw condition */
7879 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7880 SendToProgram("draw\n", cps->other);
7882 if (cps->other->sendTime) {
7883 SendTimeRemaining(cps->other,
7884 cps->other->twoMachinesColor[0] == 'w');
7886 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7887 if (firstMove && !bookHit) {
7889 if (cps->other->useColors) {
7890 SendToProgram(cps->other->twoMachinesColor, cps->other);
7892 SendToProgram("go\n", cps->other);
7894 cps->other->maybeThinking = TRUE;
7897 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7899 if (!pausing && appData.ringBellAfterMoves) {
7904 * Reenable menu items that were disabled while
7905 * machine was thinking
7907 if (gameMode != TwoMachinesPlay)
7908 SetUserThinkingEnables();
7910 // [HGM] book: after book hit opponent has received move and is now in force mode
7911 // force the book reply into it, and then fake that it outputted this move by jumping
7912 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7914 static char bookMove[MSG_SIZ]; // a bit generous?
7916 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7917 strcat(bookMove, bookHit);
7920 programStats.nodes = programStats.depth = programStats.time =
7921 programStats.score = programStats.got_only_move = 0;
7922 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7924 if(cps->lastPing != cps->lastPong) {
7925 savedMessage = message; // args for deferred call
7927 ScheduleDelayedEvent(DeferredBookMove, 10);
7936 /* Set special modes for chess engines. Later something general
7937 * could be added here; for now there is just one kludge feature,
7938 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7939 * when "xboard" is given as an interactive command.
7941 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7942 cps->useSigint = FALSE;
7943 cps->useSigterm = FALSE;
7945 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7946 ParseFeatures(message+8, cps);
7947 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7950 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7951 int dummy, s=6; char buf[MSG_SIZ];
7952 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7953 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7954 ParseFEN(boards[0], &dummy, message+s);
7955 DrawPosition(TRUE, boards[0]);
7956 startedFromSetupPosition = TRUE;
7959 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7960 * want this, I was asked to put it in, and obliged.
7962 if (!strncmp(message, "setboard ", 9)) {
7963 Board initial_position;
7965 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7967 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7968 DisplayError(_("Bad FEN received from engine"), 0);
7972 CopyBoard(boards[0], initial_position);
7973 initialRulePlies = FENrulePlies;
7974 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7975 else gameMode = MachinePlaysBlack;
7976 DrawPosition(FALSE, boards[currentMove]);
7982 * Look for communication commands
7984 if (!strncmp(message, "telluser ", 9)) {
7985 if(message[9] == '\\' && message[10] == '\\')
7986 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7987 DisplayNote(message + 9);
7990 if (!strncmp(message, "tellusererror ", 14)) {
7992 if(message[14] == '\\' && message[15] == '\\')
7993 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7994 DisplayError(message + 14, 0);
7997 if (!strncmp(message, "tellopponent ", 13)) {
7998 if (appData.icsActive) {
8000 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8004 DisplayNote(message + 13);
8008 if (!strncmp(message, "tellothers ", 11)) {
8009 if (appData.icsActive) {
8011 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8017 if (!strncmp(message, "tellall ", 8)) {
8018 if (appData.icsActive) {
8020 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8024 DisplayNote(message + 8);
8028 if (strncmp(message, "warning", 7) == 0) {
8029 /* Undocumented feature, use tellusererror in new code */
8030 DisplayError(message, 0);
8033 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8034 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8035 strcat(realname, " query");
8036 AskQuestion(realname, buf2, buf1, cps->pr);
8039 /* Commands from the engine directly to ICS. We don't allow these to be
8040 * sent until we are logged on. Crafty kibitzes have been known to
8041 * interfere with the login process.
8044 if (!strncmp(message, "tellics ", 8)) {
8045 SendToICS(message + 8);
8049 if (!strncmp(message, "tellicsnoalias ", 15)) {
8050 SendToICS(ics_prefix);
8051 SendToICS(message + 15);
8055 /* The following are for backward compatibility only */
8056 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8057 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8058 SendToICS(ics_prefix);
8064 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8068 * If the move is illegal, cancel it and redraw the board.
8069 * Also deal with other error cases. Matching is rather loose
8070 * here to accommodate engines written before the spec.
8072 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8073 strncmp(message, "Error", 5) == 0) {
8074 if (StrStr(message, "name") ||
8075 StrStr(message, "rating") || StrStr(message, "?") ||
8076 StrStr(message, "result") || StrStr(message, "board") ||
8077 StrStr(message, "bk") || StrStr(message, "computer") ||
8078 StrStr(message, "variant") || StrStr(message, "hint") ||
8079 StrStr(message, "random") || StrStr(message, "depth") ||
8080 StrStr(message, "accepted")) {
8083 if (StrStr(message, "protover")) {
8084 /* Program is responding to input, so it's apparently done
8085 initializing, and this error message indicates it is
8086 protocol version 1. So we don't need to wait any longer
8087 for it to initialize and send feature commands. */
8088 FeatureDone(cps, 1);
8089 cps->protocolVersion = 1;
8092 cps->maybeThinking = FALSE;
8094 if (StrStr(message, "draw")) {
8095 /* Program doesn't have "draw" command */
8096 cps->sendDrawOffers = 0;
8099 if (cps->sendTime != 1 &&
8100 (StrStr(message, "time") || StrStr(message, "otim"))) {
8101 /* Program apparently doesn't have "time" or "otim" command */
8105 if (StrStr(message, "analyze")) {
8106 cps->analysisSupport = FALSE;
8107 cps->analyzing = FALSE;
8109 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8110 DisplayError(buf2, 0);
8113 if (StrStr(message, "(no matching move)st")) {
8114 /* Special kludge for GNU Chess 4 only */
8115 cps->stKludge = TRUE;
8116 SendTimeControl(cps, movesPerSession, timeControl,
8117 timeIncrement, appData.searchDepth,
8121 if (StrStr(message, "(no matching move)sd")) {
8122 /* Special kludge for GNU Chess 4 only */
8123 cps->sdKludge = TRUE;
8124 SendTimeControl(cps, movesPerSession, timeControl,
8125 timeIncrement, appData.searchDepth,
8129 if (!StrStr(message, "llegal")) {
8132 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8133 gameMode == IcsIdle) return;
8134 if (forwardMostMove <= backwardMostMove) return;
8135 if (pausing) PauseEvent();
8136 if(appData.forceIllegal) {
8137 // [HGM] illegal: machine refused move; force position after move into it
8138 SendToProgram("force\n", cps);
8139 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8140 // we have a real problem now, as SendBoard will use the a2a3 kludge
8141 // when black is to move, while there might be nothing on a2 or black
8142 // might already have the move. So send the board as if white has the move.
8143 // But first we must change the stm of the engine, as it refused the last move
8144 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8145 if(WhiteOnMove(forwardMostMove)) {
8146 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8147 SendBoard(cps, forwardMostMove); // kludgeless board
8149 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8150 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8151 SendBoard(cps, forwardMostMove+1); // kludgeless board
8153 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8154 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8155 gameMode == TwoMachinesPlay)
8156 SendToProgram("go\n", cps);
8159 if (gameMode == PlayFromGameFile) {
8160 /* Stop reading this game file */
8161 gameMode = EditGame;
8164 /* [HGM] illegal-move claim should forfeit game when Xboard */
8165 /* only passes fully legal moves */
8166 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8167 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8168 "False illegal-move claim", GE_XBOARD );
8169 return; // do not take back move we tested as valid
8171 currentMove = forwardMostMove-1;
8172 DisplayMove(currentMove-1); /* before DisplayMoveError */
8173 SwitchClocks(forwardMostMove-1); // [HGM] race
8174 DisplayBothClocks();
8175 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8176 parseList[currentMove], _(cps->which));
8177 DisplayMoveError(buf1);
8178 DrawPosition(FALSE, boards[currentMove]);
8181 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8182 /* Program has a broken "time" command that
8183 outputs a string not ending in newline.
8189 * If chess program startup fails, exit with an error message.
8190 * Attempts to recover here are futile.
8192 if ((StrStr(message, "unknown host") != NULL)
8193 || (StrStr(message, "No remote directory") != NULL)
8194 || (StrStr(message, "not found") != NULL)
8195 || (StrStr(message, "No such file") != NULL)
8196 || (StrStr(message, "can't alloc") != NULL)
8197 || (StrStr(message, "Permission denied") != NULL)) {
8199 cps->maybeThinking = FALSE;
8200 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8201 _(cps->which), cps->program, cps->host, message);
8202 RemoveInputSource(cps->isr);
8203 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8204 if(cps == &first) appData.noChessProgram = TRUE;
8205 DisplayError(buf1, 0);
8211 * Look for hint output
8213 if (sscanf(message, "Hint: %s", buf1) == 1) {
8214 if (cps == &first && hintRequested) {
8215 hintRequested = FALSE;
8216 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8217 &fromX, &fromY, &toX, &toY, &promoChar)) {
8218 (void) CoordsToAlgebraic(boards[forwardMostMove],
8219 PosFlags(forwardMostMove),
8220 fromY, fromX, toY, toX, promoChar, buf1);
8221 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8222 DisplayInformation(buf2);
8224 /* Hint move could not be parsed!? */
8225 snprintf(buf2, sizeof(buf2),
8226 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8227 buf1, _(cps->which));
8228 DisplayError(buf2, 0);
8231 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8237 * Ignore other messages if game is not in progress
8239 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8240 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8243 * look for win, lose, draw, or draw offer
8245 if (strncmp(message, "1-0", 3) == 0) {
8246 char *p, *q, *r = "";
8247 p = strchr(message, '{');
8255 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8257 } else if (strncmp(message, "0-1", 3) == 0) {
8258 char *p, *q, *r = "";
8259 p = strchr(message, '{');
8267 /* Kludge for Arasan 4.1 bug */
8268 if (strcmp(r, "Black resigns") == 0) {
8269 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8272 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8274 } else if (strncmp(message, "1/2", 3) == 0) {
8275 char *p, *q, *r = "";
8276 p = strchr(message, '{');
8285 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8288 } else if (strncmp(message, "White resign", 12) == 0) {
8289 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8291 } else if (strncmp(message, "Black resign", 12) == 0) {
8292 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8294 } else if (strncmp(message, "White matches", 13) == 0 ||
8295 strncmp(message, "Black matches", 13) == 0 ) {
8296 /* [HGM] ignore GNUShogi noises */
8298 } else if (strncmp(message, "White", 5) == 0 &&
8299 message[5] != '(' &&
8300 StrStr(message, "Black") == NULL) {
8301 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8303 } else if (strncmp(message, "Black", 5) == 0 &&
8304 message[5] != '(') {
8305 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8307 } else if (strcmp(message, "resign") == 0 ||
8308 strcmp(message, "computer resigns") == 0) {
8310 case MachinePlaysBlack:
8311 case IcsPlayingBlack:
8312 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8314 case MachinePlaysWhite:
8315 case IcsPlayingWhite:
8316 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8318 case TwoMachinesPlay:
8319 if (cps->twoMachinesColor[0] == 'w')
8320 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8322 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8329 } else if (strncmp(message, "opponent mates", 14) == 0) {
8331 case MachinePlaysBlack:
8332 case IcsPlayingBlack:
8333 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8335 case MachinePlaysWhite:
8336 case IcsPlayingWhite:
8337 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8339 case TwoMachinesPlay:
8340 if (cps->twoMachinesColor[0] == 'w')
8341 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8343 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8350 } else if (strncmp(message, "computer mates", 14) == 0) {
8352 case MachinePlaysBlack:
8353 case IcsPlayingBlack:
8354 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8356 case MachinePlaysWhite:
8357 case IcsPlayingWhite:
8358 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8360 case TwoMachinesPlay:
8361 if (cps->twoMachinesColor[0] == 'w')
8362 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8364 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8371 } else if (strncmp(message, "checkmate", 9) == 0) {
8372 if (WhiteOnMove(forwardMostMove)) {
8373 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8375 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8378 } else if (strstr(message, "Draw") != NULL ||
8379 strstr(message, "game is a draw") != NULL) {
8380 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8382 } else if (strstr(message, "offer") != NULL &&
8383 strstr(message, "draw") != NULL) {
8385 if (appData.zippyPlay && first.initDone) {
8386 /* Relay offer to ICS */
8387 SendToICS(ics_prefix);
8388 SendToICS("draw\n");
8391 cps->offeredDraw = 2; /* valid until this engine moves twice */
8392 if (gameMode == TwoMachinesPlay) {
8393 if (cps->other->offeredDraw) {
8394 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8395 /* [HGM] in two-machine mode we delay relaying draw offer */
8396 /* until after we also have move, to see if it is really claim */
8398 } else if (gameMode == MachinePlaysWhite ||
8399 gameMode == MachinePlaysBlack) {
8400 if (userOfferedDraw) {
8401 DisplayInformation(_("Machine accepts your draw offer"));
8402 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8404 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8411 * Look for thinking output
8413 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8414 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8416 int plylev, mvleft, mvtot, curscore, time;
8417 char mvname[MOVE_LEN];
8421 int prefixHint = FALSE;
8422 mvname[0] = NULLCHAR;
8425 case MachinePlaysBlack:
8426 case IcsPlayingBlack:
8427 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8429 case MachinePlaysWhite:
8430 case IcsPlayingWhite:
8431 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8436 case IcsObserving: /* [DM] icsEngineAnalyze */
8437 if (!appData.icsEngineAnalyze) ignore = TRUE;
8439 case TwoMachinesPlay:
8440 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8450 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8452 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8453 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8455 if (plyext != ' ' && plyext != '\t') {
8459 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8460 if( cps->scoreIsAbsolute &&
8461 ( gameMode == MachinePlaysBlack ||
8462 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8463 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8464 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8465 !WhiteOnMove(currentMove)
8468 curscore = -curscore;
8472 tempStats.depth = plylev;
8473 tempStats.nodes = nodes;
8474 tempStats.time = time;
8475 tempStats.score = curscore;
8476 tempStats.got_only_move = 0;
8478 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8481 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8482 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8483 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8484 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8485 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8486 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8487 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8488 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8491 /* Buffer overflow protection */
8492 if (buf1[0] != NULLCHAR) {
8493 if (strlen(buf1) >= sizeof(tempStats.movelist)
8494 && appData.debugMode) {
8496 "PV is too long; using the first %u bytes.\n",
8497 (unsigned) sizeof(tempStats.movelist) - 1);
8500 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8502 sprintf(tempStats.movelist, " no PV\n");
8505 if (tempStats.seen_stat) {
8506 tempStats.ok_to_send = 1;
8509 if (strchr(tempStats.movelist, '(') != NULL) {
8510 tempStats.line_is_book = 1;
8511 tempStats.nr_moves = 0;
8512 tempStats.moves_left = 0;
8514 tempStats.line_is_book = 0;
8517 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8518 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8520 SendProgramStatsToFrontend( cps, &tempStats );
8523 [AS] Protect the thinkOutput buffer from overflow... this
8524 is only useful if buf1 hasn't overflowed first!
8526 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8528 (gameMode == TwoMachinesPlay ?
8529 ToUpper(cps->twoMachinesColor[0]) : ' '),
8530 ((double) curscore) / 100.0,
8531 prefixHint ? lastHint : "",
8532 prefixHint ? " " : "" );
8534 if( buf1[0] != NULLCHAR ) {
8535 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8537 if( strlen(buf1) > max_len ) {
8538 if( appData.debugMode) {
8539 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8541 buf1[max_len+1] = '\0';
8544 strcat( thinkOutput, buf1 );
8547 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8548 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8549 DisplayMove(currentMove - 1);
8553 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8554 /* crafty (9.25+) says "(only move) <move>"
8555 * if there is only 1 legal move
8557 sscanf(p, "(only move) %s", buf1);
8558 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8559 sprintf(programStats.movelist, "%s (only move)", buf1);
8560 programStats.depth = 1;
8561 programStats.nr_moves = 1;
8562 programStats.moves_left = 1;
8563 programStats.nodes = 1;
8564 programStats.time = 1;
8565 programStats.got_only_move = 1;
8567 /* Not really, but we also use this member to
8568 mean "line isn't going to change" (Crafty
8569 isn't searching, so stats won't change) */
8570 programStats.line_is_book = 1;
8572 SendProgramStatsToFrontend( cps, &programStats );
8574 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8575 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8576 DisplayMove(currentMove - 1);
8579 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8580 &time, &nodes, &plylev, &mvleft,
8581 &mvtot, mvname) >= 5) {
8582 /* The stat01: line is from Crafty (9.29+) in response
8583 to the "." command */
8584 programStats.seen_stat = 1;
8585 cps->maybeThinking = TRUE;
8587 if (programStats.got_only_move || !appData.periodicUpdates)
8590 programStats.depth = plylev;
8591 programStats.time = time;
8592 programStats.nodes = nodes;
8593 programStats.moves_left = mvleft;
8594 programStats.nr_moves = mvtot;
8595 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8596 programStats.ok_to_send = 1;
8597 programStats.movelist[0] = '\0';
8599 SendProgramStatsToFrontend( cps, &programStats );
8603 } else if (strncmp(message,"++",2) == 0) {
8604 /* Crafty 9.29+ outputs this */
8605 programStats.got_fail = 2;
8608 } else if (strncmp(message,"--",2) == 0) {
8609 /* Crafty 9.29+ outputs this */
8610 programStats.got_fail = 1;
8613 } else if (thinkOutput[0] != NULLCHAR &&
8614 strncmp(message, " ", 4) == 0) {
8615 unsigned message_len;
8618 while (*p && *p == ' ') p++;
8620 message_len = strlen( p );
8622 /* [AS] Avoid buffer overflow */
8623 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8624 strcat(thinkOutput, " ");
8625 strcat(thinkOutput, p);
8628 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8629 strcat(programStats.movelist, " ");
8630 strcat(programStats.movelist, p);
8633 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8634 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8635 DisplayMove(currentMove - 1);
8643 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8644 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8646 ChessProgramStats cpstats;
8648 if (plyext != ' ' && plyext != '\t') {
8652 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8653 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8654 curscore = -curscore;
8657 cpstats.depth = plylev;
8658 cpstats.nodes = nodes;
8659 cpstats.time = time;
8660 cpstats.score = curscore;
8661 cpstats.got_only_move = 0;
8662 cpstats.movelist[0] = '\0';
8664 if (buf1[0] != NULLCHAR) {
8665 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8668 cpstats.ok_to_send = 0;
8669 cpstats.line_is_book = 0;
8670 cpstats.nr_moves = 0;
8671 cpstats.moves_left = 0;
8673 SendProgramStatsToFrontend( cps, &cpstats );
8680 /* Parse a game score from the character string "game", and
8681 record it as the history of the current game. The game
8682 score is NOT assumed to start from the standard position.
8683 The display is not updated in any way.
8686 ParseGameHistory(game)
8690 int fromX, fromY, toX, toY, boardIndex;
8695 if (appData.debugMode)
8696 fprintf(debugFP, "Parsing game history: %s\n", game);
8698 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8699 gameInfo.site = StrSave(appData.icsHost);
8700 gameInfo.date = PGNDate();
8701 gameInfo.round = StrSave("-");
8703 /* Parse out names of players */
8704 while (*game == ' ') game++;
8706 while (*game != ' ') *p++ = *game++;
8708 gameInfo.white = StrSave(buf);
8709 while (*game == ' ') game++;
8711 while (*game != ' ' && *game != '\n') *p++ = *game++;
8713 gameInfo.black = StrSave(buf);
8716 boardIndex = blackPlaysFirst ? 1 : 0;
8719 yyboardindex = boardIndex;
8720 moveType = (ChessMove) Myylex();
8722 case IllegalMove: /* maybe suicide chess, etc. */
8723 if (appData.debugMode) {
8724 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8725 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8726 setbuf(debugFP, NULL);
8728 case WhitePromotion:
8729 case BlackPromotion:
8730 case WhiteNonPromotion:
8731 case BlackNonPromotion:
8733 case WhiteCapturesEnPassant:
8734 case BlackCapturesEnPassant:
8735 case WhiteKingSideCastle:
8736 case WhiteQueenSideCastle:
8737 case BlackKingSideCastle:
8738 case BlackQueenSideCastle:
8739 case WhiteKingSideCastleWild:
8740 case WhiteQueenSideCastleWild:
8741 case BlackKingSideCastleWild:
8742 case BlackQueenSideCastleWild:
8744 case WhiteHSideCastleFR:
8745 case WhiteASideCastleFR:
8746 case BlackHSideCastleFR:
8747 case BlackASideCastleFR:
8749 fromX = currentMoveString[0] - AAA;
8750 fromY = currentMoveString[1] - ONE;
8751 toX = currentMoveString[2] - AAA;
8752 toY = currentMoveString[3] - ONE;
8753 promoChar = currentMoveString[4];
8757 fromX = moveType == WhiteDrop ?
8758 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8759 (int) CharToPiece(ToLower(currentMoveString[0]));
8761 toX = currentMoveString[2] - AAA;
8762 toY = currentMoveString[3] - ONE;
8763 promoChar = NULLCHAR;
8767 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8768 if (appData.debugMode) {
8769 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8770 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8771 setbuf(debugFP, NULL);
8773 DisplayError(buf, 0);
8775 case ImpossibleMove:
8777 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8778 if (appData.debugMode) {
8779 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8780 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8781 setbuf(debugFP, NULL);
8783 DisplayError(buf, 0);
8786 if (boardIndex < backwardMostMove) {
8787 /* Oops, gap. How did that happen? */
8788 DisplayError(_("Gap in move list"), 0);
8791 backwardMostMove = blackPlaysFirst ? 1 : 0;
8792 if (boardIndex > forwardMostMove) {
8793 forwardMostMove = boardIndex;
8797 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8798 strcat(parseList[boardIndex-1], " ");
8799 strcat(parseList[boardIndex-1], yy_text);
8811 case GameUnfinished:
8812 if (gameMode == IcsExamining) {
8813 if (boardIndex < backwardMostMove) {
8814 /* Oops, gap. How did that happen? */
8817 backwardMostMove = blackPlaysFirst ? 1 : 0;
8820 gameInfo.result = moveType;
8821 p = strchr(yy_text, '{');
8822 if (p == NULL) p = strchr(yy_text, '(');
8825 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8827 q = strchr(p, *p == '{' ? '}' : ')');
8828 if (q != NULL) *q = NULLCHAR;
8831 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8832 gameInfo.resultDetails = StrSave(p);
8835 if (boardIndex >= forwardMostMove &&
8836 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8837 backwardMostMove = blackPlaysFirst ? 1 : 0;
8840 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8841 fromY, fromX, toY, toX, promoChar,
8842 parseList[boardIndex]);
8843 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8844 /* currentMoveString is set as a side-effect of yylex */
8845 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8846 strcat(moveList[boardIndex], "\n");
8848 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8849 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8855 if(gameInfo.variant != VariantShogi)
8856 strcat(parseList[boardIndex - 1], "+");
8860 strcat(parseList[boardIndex - 1], "#");
8867 /* Apply a move to the given board */
8869 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8870 int fromX, fromY, toX, toY;
8874 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8875 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8877 /* [HGM] compute & store e.p. status and castling rights for new position */
8878 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8880 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8881 oldEP = (signed char)board[EP_STATUS];
8882 board[EP_STATUS] = EP_NONE;
8884 if( board[toY][toX] != EmptySquare )
8885 board[EP_STATUS] = EP_CAPTURE;
8887 if (fromY == DROP_RANK) {
8889 piece = board[toY][toX] = (ChessSquare) fromX;
8893 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8894 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8895 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8897 if( board[fromY][fromX] == WhitePawn ) {
8898 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8899 board[EP_STATUS] = EP_PAWN_MOVE;
8901 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8902 gameInfo.variant != VariantBerolina || toX < fromX)
8903 board[EP_STATUS] = toX | berolina;
8904 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8905 gameInfo.variant != VariantBerolina || toX > fromX)
8906 board[EP_STATUS] = toX;
8909 if( board[fromY][fromX] == BlackPawn ) {
8910 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8911 board[EP_STATUS] = EP_PAWN_MOVE;
8912 if( toY-fromY== -2) {
8913 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8914 gameInfo.variant != VariantBerolina || toX < fromX)
8915 board[EP_STATUS] = toX | berolina;
8916 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8917 gameInfo.variant != VariantBerolina || toX > fromX)
8918 board[EP_STATUS] = toX;
8922 for(i=0; i<nrCastlingRights; i++) {
8923 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8924 board[CASTLING][i] == toX && castlingRank[i] == toY
8925 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8928 if (fromX == toX && fromY == toY) return;
8930 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8931 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8932 if(gameInfo.variant == VariantKnightmate)
8933 king += (int) WhiteUnicorn - (int) WhiteKing;
8935 /* Code added by Tord: */
8936 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8937 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8938 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8939 board[fromY][fromX] = EmptySquare;
8940 board[toY][toX] = EmptySquare;
8941 if((toX > fromX) != (piece == WhiteRook)) {
8942 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8944 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8946 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8947 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8948 board[fromY][fromX] = EmptySquare;
8949 board[toY][toX] = EmptySquare;
8950 if((toX > fromX) != (piece == BlackRook)) {
8951 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8953 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8955 /* End of code added by Tord */
8957 } else if (board[fromY][fromX] == king
8958 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8959 && toY == fromY && toX > fromX+1) {
8960 board[fromY][fromX] = EmptySquare;
8961 board[toY][toX] = king;
8962 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8963 board[fromY][BOARD_RGHT-1] = EmptySquare;
8964 } else if (board[fromY][fromX] == king
8965 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8966 && toY == fromY && toX < fromX-1) {
8967 board[fromY][fromX] = EmptySquare;
8968 board[toY][toX] = king;
8969 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8970 board[fromY][BOARD_LEFT] = EmptySquare;
8971 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8972 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8973 && toY >= BOARD_HEIGHT-promoRank
8975 /* white pawn promotion */
8976 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8977 if (board[toY][toX] == EmptySquare) {
8978 board[toY][toX] = WhiteQueen;
8980 if(gameInfo.variant==VariantBughouse ||
8981 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8982 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8983 board[fromY][fromX] = EmptySquare;
8984 } else if ((fromY == BOARD_HEIGHT-4)
8986 && gameInfo.variant != VariantXiangqi
8987 && gameInfo.variant != VariantBerolina
8988 && (board[fromY][fromX] == WhitePawn)
8989 && (board[toY][toX] == EmptySquare)) {
8990 board[fromY][fromX] = EmptySquare;
8991 board[toY][toX] = WhitePawn;
8992 captured = board[toY - 1][toX];
8993 board[toY - 1][toX] = EmptySquare;
8994 } else if ((fromY == BOARD_HEIGHT-4)
8996 && gameInfo.variant == VariantBerolina
8997 && (board[fromY][fromX] == WhitePawn)
8998 && (board[toY][toX] == EmptySquare)) {
8999 board[fromY][fromX] = EmptySquare;
9000 board[toY][toX] = WhitePawn;
9001 if(oldEP & EP_BEROLIN_A) {
9002 captured = board[fromY][fromX-1];
9003 board[fromY][fromX-1] = EmptySquare;
9004 }else{ captured = board[fromY][fromX+1];
9005 board[fromY][fromX+1] = EmptySquare;
9007 } else if (board[fromY][fromX] == king
9008 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9009 && toY == fromY && toX > fromX+1) {
9010 board[fromY][fromX] = EmptySquare;
9011 board[toY][toX] = king;
9012 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9013 board[fromY][BOARD_RGHT-1] = EmptySquare;
9014 } else if (board[fromY][fromX] == king
9015 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9016 && toY == fromY && toX < fromX-1) {
9017 board[fromY][fromX] = EmptySquare;
9018 board[toY][toX] = king;
9019 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9020 board[fromY][BOARD_LEFT] = EmptySquare;
9021 } else if (fromY == 7 && fromX == 3
9022 && board[fromY][fromX] == BlackKing
9023 && toY == 7 && toX == 5) {
9024 board[fromY][fromX] = EmptySquare;
9025 board[toY][toX] = BlackKing;
9026 board[fromY][7] = EmptySquare;
9027 board[toY][4] = BlackRook;
9028 } else if (fromY == 7 && fromX == 3
9029 && board[fromY][fromX] == BlackKing
9030 && toY == 7 && toX == 1) {
9031 board[fromY][fromX] = EmptySquare;
9032 board[toY][toX] = BlackKing;
9033 board[fromY][0] = EmptySquare;
9034 board[toY][2] = BlackRook;
9035 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9036 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9039 /* black pawn promotion */
9040 board[toY][toX] = CharToPiece(ToLower(promoChar));
9041 if (board[toY][toX] == EmptySquare) {
9042 board[toY][toX] = BlackQueen;
9044 if(gameInfo.variant==VariantBughouse ||
9045 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9046 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9047 board[fromY][fromX] = EmptySquare;
9048 } else if ((fromY == 3)
9050 && gameInfo.variant != VariantXiangqi
9051 && gameInfo.variant != VariantBerolina
9052 && (board[fromY][fromX] == BlackPawn)
9053 && (board[toY][toX] == EmptySquare)) {
9054 board[fromY][fromX] = EmptySquare;
9055 board[toY][toX] = BlackPawn;
9056 captured = board[toY + 1][toX];
9057 board[toY + 1][toX] = EmptySquare;
9058 } else if ((fromY == 3)
9060 && gameInfo.variant == VariantBerolina
9061 && (board[fromY][fromX] == BlackPawn)
9062 && (board[toY][toX] == EmptySquare)) {
9063 board[fromY][fromX] = EmptySquare;
9064 board[toY][toX] = BlackPawn;
9065 if(oldEP & EP_BEROLIN_A) {
9066 captured = board[fromY][fromX-1];
9067 board[fromY][fromX-1] = EmptySquare;
9068 }else{ captured = board[fromY][fromX+1];
9069 board[fromY][fromX+1] = EmptySquare;
9072 board[toY][toX] = board[fromY][fromX];
9073 board[fromY][fromX] = EmptySquare;
9077 if (gameInfo.holdingsWidth != 0) {
9079 /* !!A lot more code needs to be written to support holdings */
9080 /* [HGM] OK, so I have written it. Holdings are stored in the */
9081 /* penultimate board files, so they are automaticlly stored */
9082 /* in the game history. */
9083 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9084 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9085 /* Delete from holdings, by decreasing count */
9086 /* and erasing image if necessary */
9087 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9088 if(p < (int) BlackPawn) { /* white drop */
9089 p -= (int)WhitePawn;
9090 p = PieceToNumber((ChessSquare)p);
9091 if(p >= gameInfo.holdingsSize) p = 0;
9092 if(--board[p][BOARD_WIDTH-2] <= 0)
9093 board[p][BOARD_WIDTH-1] = EmptySquare;
9094 if((int)board[p][BOARD_WIDTH-2] < 0)
9095 board[p][BOARD_WIDTH-2] = 0;
9096 } else { /* black drop */
9097 p -= (int)BlackPawn;
9098 p = PieceToNumber((ChessSquare)p);
9099 if(p >= gameInfo.holdingsSize) p = 0;
9100 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9101 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9102 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9103 board[BOARD_HEIGHT-1-p][1] = 0;
9106 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9107 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9108 /* [HGM] holdings: Add to holdings, if holdings exist */
9109 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
9110 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9111 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9114 if (p >= (int) BlackPawn) {
9115 p -= (int)BlackPawn;
9116 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9117 /* in Shogi restore piece to its original first */
9118 captured = (ChessSquare) (DEMOTED captured);
9121 p = PieceToNumber((ChessSquare)p);
9122 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9123 board[p][BOARD_WIDTH-2]++;
9124 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9126 p -= (int)WhitePawn;
9127 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9128 captured = (ChessSquare) (DEMOTED captured);
9131 p = PieceToNumber((ChessSquare)p);
9132 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9133 board[BOARD_HEIGHT-1-p][1]++;
9134 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9137 } else if (gameInfo.variant == VariantAtomic) {
9138 if (captured != EmptySquare) {
9140 for (y = toY-1; y <= toY+1; y++) {
9141 for (x = toX-1; x <= toX+1; x++) {
9142 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9143 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9144 board[y][x] = EmptySquare;
9148 board[toY][toX] = EmptySquare;
9151 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9152 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9154 if(promoChar == '+') {
9155 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9156 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9157 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9158 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9160 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9161 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9162 // [HGM] superchess: take promotion piece out of holdings
9163 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9164 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9165 if(!--board[k][BOARD_WIDTH-2])
9166 board[k][BOARD_WIDTH-1] = EmptySquare;
9168 if(!--board[BOARD_HEIGHT-1-k][1])
9169 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9175 /* Updates forwardMostMove */
9177 MakeMove(fromX, fromY, toX, toY, promoChar)
9178 int fromX, fromY, toX, toY;
9181 // forwardMostMove++; // [HGM] bare: moved downstream
9183 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9184 int timeLeft; static int lastLoadFlag=0; int king, piece;
9185 piece = boards[forwardMostMove][fromY][fromX];
9186 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9187 if(gameInfo.variant == VariantKnightmate)
9188 king += (int) WhiteUnicorn - (int) WhiteKing;
9189 if(forwardMostMove == 0) {
9191 fprintf(serverMoves, "%s;", second.tidy);
9192 fprintf(serverMoves, "%s;", first.tidy);
9193 if(!blackPlaysFirst)
9194 fprintf(serverMoves, "%s;", second.tidy);
9195 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9196 lastLoadFlag = loadFlag;
9198 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9199 // print castling suffix
9200 if( toY == fromY && piece == king ) {
9202 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9204 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9207 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9208 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9209 boards[forwardMostMove][toY][toX] == EmptySquare
9210 && fromX != toX && fromY != toY)
9211 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9213 if(promoChar != NULLCHAR)
9214 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9216 fprintf(serverMoves, "/%d/%d",
9217 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9218 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9219 else timeLeft = blackTimeRemaining/1000;
9220 fprintf(serverMoves, "/%d", timeLeft);
9222 fflush(serverMoves);
9225 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9226 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9230 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9231 if (commentList[forwardMostMove+1] != NULL) {
9232 free(commentList[forwardMostMove+1]);
9233 commentList[forwardMostMove+1] = NULL;
9235 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9236 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9237 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9238 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9239 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9240 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9241 gameInfo.result = GameUnfinished;
9242 if (gameInfo.resultDetails != NULL) {
9243 free(gameInfo.resultDetails);
9244 gameInfo.resultDetails = NULL;
9246 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9247 moveList[forwardMostMove - 1]);
9248 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9249 PosFlags(forwardMostMove - 1),
9250 fromY, fromX, toY, toX, promoChar,
9251 parseList[forwardMostMove - 1]);
9252 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9258 if(gameInfo.variant != VariantShogi)
9259 strcat(parseList[forwardMostMove - 1], "+");
9263 strcat(parseList[forwardMostMove - 1], "#");
9266 if (appData.debugMode) {
9267 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9272 /* Updates currentMove if not pausing */
9274 ShowMove(fromX, fromY, toX, toY)
9276 int instant = (gameMode == PlayFromGameFile) ?
9277 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9278 if(appData.noGUI) return;
9279 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9281 if (forwardMostMove == currentMove + 1) {
9282 AnimateMove(boards[forwardMostMove - 1],
9283 fromX, fromY, toX, toY);
9285 if (appData.highlightLastMove) {
9286 SetHighlights(fromX, fromY, toX, toY);
9289 currentMove = forwardMostMove;
9292 if (instant) return;
9294 DisplayMove(currentMove - 1);
9295 DrawPosition(FALSE, boards[currentMove]);
9296 DisplayBothClocks();
9297 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9298 DisplayBook(currentMove);
9301 void SendEgtPath(ChessProgramState *cps)
9302 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9303 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9305 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9308 char c, *q = name+1, *r, *s;
9310 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9311 while(*p && *p != ',') *q++ = *p++;
9313 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9314 strcmp(name, ",nalimov:") == 0 ) {
9315 // take nalimov path from the menu-changeable option first, if it is defined
9316 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9317 SendToProgram(buf,cps); // send egtbpath command for nalimov
9319 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9320 (s = StrStr(appData.egtFormats, name)) != NULL) {
9321 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9322 s = r = StrStr(s, ":") + 1; // beginning of path info
9323 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9324 c = *r; *r = 0; // temporarily null-terminate path info
9325 *--q = 0; // strip of trailig ':' from name
9326 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9328 SendToProgram(buf,cps); // send egtbpath command for this format
9330 if(*p == ',') p++; // read away comma to position for next format name
9335 InitChessProgram(cps, setup)
9336 ChessProgramState *cps;
9337 int setup; /* [HGM] needed to setup FRC opening position */
9339 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9340 if (appData.noChessProgram) return;
9341 hintRequested = FALSE;
9342 bookRequested = FALSE;
9344 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9345 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9346 if(cps->memSize) { /* [HGM] memory */
9347 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9348 SendToProgram(buf, cps);
9350 SendEgtPath(cps); /* [HGM] EGT */
9351 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9352 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9353 SendToProgram(buf, cps);
9356 SendToProgram(cps->initString, cps);
9357 if (gameInfo.variant != VariantNormal &&
9358 gameInfo.variant != VariantLoadable
9359 /* [HGM] also send variant if board size non-standard */
9360 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9362 char *v = VariantName(gameInfo.variant);
9363 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9364 /* [HGM] in protocol 1 we have to assume all variants valid */
9365 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9366 DisplayFatalError(buf, 0, 1);
9370 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9371 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9372 if( gameInfo.variant == VariantXiangqi )
9373 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9374 if( gameInfo.variant == VariantShogi )
9375 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9376 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9377 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9378 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9379 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9380 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9381 if( gameInfo.variant == VariantCourier )
9382 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9383 if( gameInfo.variant == VariantSuper )
9384 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9385 if( gameInfo.variant == VariantGreat )
9386 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9387 if( gameInfo.variant == VariantSChess )
9388 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9391 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9392 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9393 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9394 if(StrStr(cps->variants, b) == NULL) {
9395 // specific sized variant not known, check if general sizing allowed
9396 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9397 if(StrStr(cps->variants, "boardsize") == NULL) {
9398 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9399 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9400 DisplayFatalError(buf, 0, 1);
9403 /* [HGM] here we really should compare with the maximum supported board size */
9406 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9407 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9408 SendToProgram(buf, cps);
9410 currentlyInitializedVariant = gameInfo.variant;
9412 /* [HGM] send opening position in FRC to first engine */
9414 SendToProgram("force\n", cps);
9416 /* engine is now in force mode! Set flag to wake it up after first move. */
9417 setboardSpoiledMachineBlack = 1;
9421 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9422 SendToProgram(buf, cps);
9424 cps->maybeThinking = FALSE;
9425 cps->offeredDraw = 0;
9426 if (!appData.icsActive) {
9427 SendTimeControl(cps, movesPerSession, timeControl,
9428 timeIncrement, appData.searchDepth,
9431 if (appData.showThinking
9432 // [HGM] thinking: four options require thinking output to be sent
9433 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9435 SendToProgram("post\n", cps);
9437 SendToProgram("hard\n", cps);
9438 if (!appData.ponderNextMove) {
9439 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9440 it without being sure what state we are in first. "hard"
9441 is not a toggle, so that one is OK.
9443 SendToProgram("easy\n", cps);
9446 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9447 SendToProgram(buf, cps);
9449 cps->initDone = TRUE;
9454 StartChessProgram(cps)
9455 ChessProgramState *cps;
9460 if (appData.noChessProgram) return;
9461 cps->initDone = FALSE;
9463 if (strcmp(cps->host, "localhost") == 0) {
9464 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9465 } else if (*appData.remoteShell == NULLCHAR) {
9466 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9468 if (*appData.remoteUser == NULLCHAR) {
9469 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9472 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9473 cps->host, appData.remoteUser, cps->program);
9475 err = StartChildProcess(buf, "", &cps->pr);
9479 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9480 DisplayFatalError(buf, err, 1);
9486 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9487 if (cps->protocolVersion > 1) {
9488 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9489 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9490 cps->comboCnt = 0; // and values of combo boxes
9491 SendToProgram(buf, cps);
9493 SendToProgram("xboard\n", cps);
9498 TwoMachinesEventIfReady P((void))
9500 static int curMess = 0;
9501 if (first.lastPing != first.lastPong) {
9502 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9503 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9506 if (second.lastPing != second.lastPong) {
9507 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9508 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9511 DisplayMessage("", ""); curMess = 0;
9517 CreateTourney(char *name)
9520 if(name[0] == NULLCHAR) return 0;
9521 f = fopen(appData.tourneyFile, "r");
9522 if(f) { // file exists
9523 ParseArgsFromFile(f); // parse it
9525 f = fopen(appData.tourneyFile, "w");
9526 if(f == NULL) { DisplayError("Could not write on tourney file", 0); return 0; } else {
9527 // create a file with tournament description
9528 fprintf(f, "-participants {%s}\n", appData.participants);
9529 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9530 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9531 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9532 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9533 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9534 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9535 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9536 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9537 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9538 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9539 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9541 fprintf(f, "-searchTime \"%s\"\n", appData.searchTime);
9543 fprintf(f, "-mps %d\n", appData.movesPerSession);
9544 fprintf(f, "-tc %s\n", appData.timeControl);
9545 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9547 fprintf(f, "-results \"\"\n");
9551 appData.noChessProgram = FALSE;
9552 appData.clockMode = TRUE;
9557 #define MAXENGINES 1000
9558 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9560 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9562 char buf[MSG_SIZ], *p, *q;
9566 while(*p && *p != '\n') *q++ = *p++;
9568 if(engineList[i]) free(engineList[i]);
9569 engineList[i] = strdup(buf);
9571 TidyProgramName(engineList[i], "localhost", buf);
9572 if(engineMnemonic[i]) free(engineMnemonic[i]);
9573 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9575 sscanf(q + 8, "%s", buf + strlen(buf));
9578 engineMnemonic[i] = strdup(buf);
9580 if(i > MAXENGINES - 2) break;
9582 engineList[i] = NULL;
9585 // following implemented as macro to avoid type limitations
9586 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9588 void SwapEngines(int n)
9589 { // swap settings for first engine and other engine (so far only some selected options)
9594 SWAP(chessProgram, p)
9596 SWAP(hasOwnBookUCI, h)
9597 SWAP(protocolVersion, h)
9599 SWAP(scoreIsAbsolute, h)
9606 SetPlayer(int player)
9607 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9609 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9610 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9611 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9612 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9614 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9615 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9616 ParseArgsFromString(buf);
9622 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9623 { // determine players from game number
9624 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle, pairingsPerRound;
9626 if(appData.tourneyType == 0) {
9627 roundsPerCycle = (nPlayers - 1) | 1;
9628 pairingsPerRound = nPlayers / 2;
9629 } else if(appData.tourneyType > 0) {
9630 roundsPerCycle = nPlayers - appData.tourneyType;
9631 pairingsPerRound = appData.tourneyType;
9633 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9634 gamesPerCycle = gamesPerRound * roundsPerCycle;
9635 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9636 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9637 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9638 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9639 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9640 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9642 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9643 if(appData.roundSync) *syncInterval = gamesPerRound;
9645 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9647 if(appData.tourneyType == 0) {
9648 if(curPairing == (nPlayers-1)/2 ) {
9649 *whitePlayer = curRound;
9650 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9652 *whitePlayer = curRound - pairingsPerRound + curPairing;
9653 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9654 *blackPlayer = curRound + pairingsPerRound - curPairing;
9655 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9657 } else if(appData.tourneyType > 0) {
9658 *whitePlayer = curPairing;
9659 *blackPlayer = curRound + appData.tourneyType;
9662 // take care of white/black alternation per round.
9663 // For cycles and games this is already taken care of by default, derived from matchGame!
9664 return curRound & 1;
9668 NextTourneyGame(int nr, int *swapColors)
9669 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9671 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers=0;
9673 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9674 tf = fopen(appData.tourneyFile, "r");
9675 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9676 ParseArgsFromFile(tf); fclose(tf);
9677 InitTimeControls(); // TC might be altered from tourney file
9679 p = appData.participants;
9680 while(p = strchr(p, '\n')) p++, nPlayers++; // count participants
9681 *swapColors = Pairing(nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9684 p = q = appData.results;
9685 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9686 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9687 DisplayMessage(_("Waiting for other game(s)"),"");
9688 waitingForGame = TRUE;
9689 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9692 waitingForGame = FALSE;
9695 if(first.pr != NoProc) return 1; // engines already loaded
9697 // redefine engines, engine dir, etc.
9698 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9699 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9701 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9702 SwapEngines(1); // and make that valid for second engine by swapping
9703 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9704 InitEngine(&second, 1);
9705 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9711 { // performs game initialization that does not invoke engines, and then tries to start the game
9712 int firstWhite, swapColors = 0;
9713 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9714 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9715 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9716 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9717 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9718 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9719 Reset(FALSE, first.pr != NoProc);
9720 appData.noChessProgram = FALSE;
9721 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9725 void UserAdjudicationEvent( int result )
9727 ChessMove gameResult = GameIsDrawn;
9730 gameResult = WhiteWins;
9732 else if( result < 0 ) {
9733 gameResult = BlackWins;
9736 if( gameMode == TwoMachinesPlay ) {
9737 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9742 // [HGM] save: calculate checksum of game to make games easily identifiable
9743 int StringCheckSum(char *s)
9746 if(s==NULL) return 0;
9747 while(*s) i = i*259 + *s++;
9754 for(i=backwardMostMove; i<forwardMostMove; i++) {
9755 sum += pvInfoList[i].depth;
9756 sum += StringCheckSum(parseList[i]);
9757 sum += StringCheckSum(commentList[i]);
9760 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9761 return sum + StringCheckSum(commentList[i]);
9762 } // end of save patch
9765 GameEnds(result, resultDetails, whosays)
9767 char *resultDetails;
9770 GameMode nextGameMode;
9772 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9774 if(endingGame) return; /* [HGM] crash: forbid recursion */
9776 if(twoBoards) { // [HGM] dual: switch back to one board
9777 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9778 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9780 if (appData.debugMode) {
9781 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9782 result, resultDetails ? resultDetails : "(null)", whosays);
9785 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9787 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9788 /* If we are playing on ICS, the server decides when the
9789 game is over, but the engine can offer to draw, claim
9793 if (appData.zippyPlay && first.initDone) {
9794 if (result == GameIsDrawn) {
9795 /* In case draw still needs to be claimed */
9796 SendToICS(ics_prefix);
9797 SendToICS("draw\n");
9798 } else if (StrCaseStr(resultDetails, "resign")) {
9799 SendToICS(ics_prefix);
9800 SendToICS("resign\n");
9804 endingGame = 0; /* [HGM] crash */
9808 /* If we're loading the game from a file, stop */
9809 if (whosays == GE_FILE) {
9810 (void) StopLoadGameTimer();
9814 /* Cancel draw offers */
9815 first.offeredDraw = second.offeredDraw = 0;
9817 /* If this is an ICS game, only ICS can really say it's done;
9818 if not, anyone can. */
9819 isIcsGame = (gameMode == IcsPlayingWhite ||
9820 gameMode == IcsPlayingBlack ||
9821 gameMode == IcsObserving ||
9822 gameMode == IcsExamining);
9824 if (!isIcsGame || whosays == GE_ICS) {
9825 /* OK -- not an ICS game, or ICS said it was done */
9827 if (!isIcsGame && !appData.noChessProgram)
9828 SetUserThinkingEnables();
9830 /* [HGM] if a machine claims the game end we verify this claim */
9831 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9832 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9834 ChessMove trueResult = (ChessMove) -1;
9836 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9837 first.twoMachinesColor[0] :
9838 second.twoMachinesColor[0] ;
9840 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9841 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9842 /* [HGM] verify: engine mate claims accepted if they were flagged */
9843 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9845 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9846 /* [HGM] verify: engine mate claims accepted if they were flagged */
9847 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9849 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9850 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9853 // now verify win claims, but not in drop games, as we don't understand those yet
9854 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9855 || gameInfo.variant == VariantGreat) &&
9856 (result == WhiteWins && claimer == 'w' ||
9857 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9858 if (appData.debugMode) {
9859 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9860 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9862 if(result != trueResult) {
9863 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9864 result = claimer == 'w' ? BlackWins : WhiteWins;
9865 resultDetails = buf;
9868 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9869 && (forwardMostMove <= backwardMostMove ||
9870 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9871 (claimer=='b')==(forwardMostMove&1))
9873 /* [HGM] verify: draws that were not flagged are false claims */
9874 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9875 result = claimer == 'w' ? BlackWins : WhiteWins;
9876 resultDetails = buf;
9878 /* (Claiming a loss is accepted no questions asked!) */
9880 /* [HGM] bare: don't allow bare King to win */
9881 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9882 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9883 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9884 && result != GameIsDrawn)
9885 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9886 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9887 int p = (signed char)boards[forwardMostMove][i][j] - color;
9888 if(p >= 0 && p <= (int)WhiteKing) k++;
9890 if (appData.debugMode) {
9891 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9892 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9895 result = GameIsDrawn;
9896 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9897 resultDetails = buf;
9903 if(serverMoves != NULL && !loadFlag) { char c = '=';
9904 if(result==WhiteWins) c = '+';
9905 if(result==BlackWins) c = '-';
9906 if(resultDetails != NULL)
9907 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9909 if (resultDetails != NULL) {
9910 gameInfo.result = result;
9911 gameInfo.resultDetails = StrSave(resultDetails);
9913 /* display last move only if game was not loaded from file */
9914 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9915 DisplayMove(currentMove - 1);
9917 if (forwardMostMove != 0) {
9918 if (gameMode != PlayFromGameFile && gameMode != EditGame
9919 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9921 if (*appData.saveGameFile != NULLCHAR) {
9922 SaveGameToFile(appData.saveGameFile, TRUE);
9923 } else if (appData.autoSaveGames) {
9926 if (*appData.savePositionFile != NULLCHAR) {
9927 SavePositionToFile(appData.savePositionFile);
9932 /* Tell program how game ended in case it is learning */
9933 /* [HGM] Moved this to after saving the PGN, just in case */
9934 /* engine died and we got here through time loss. In that */
9935 /* case we will get a fatal error writing the pipe, which */
9936 /* would otherwise lose us the PGN. */
9937 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9938 /* output during GameEnds should never be fatal anymore */
9939 if (gameMode == MachinePlaysWhite ||
9940 gameMode == MachinePlaysBlack ||
9941 gameMode == TwoMachinesPlay ||
9942 gameMode == IcsPlayingWhite ||
9943 gameMode == IcsPlayingBlack ||
9944 gameMode == BeginningOfGame) {
9946 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9948 if (first.pr != NoProc) {
9949 SendToProgram(buf, &first);
9951 if (second.pr != NoProc &&
9952 gameMode == TwoMachinesPlay) {
9953 SendToProgram(buf, &second);
9958 if (appData.icsActive) {
9959 if (appData.quietPlay &&
9960 (gameMode == IcsPlayingWhite ||
9961 gameMode == IcsPlayingBlack)) {
9962 SendToICS(ics_prefix);
9963 SendToICS("set shout 1\n");
9965 nextGameMode = IcsIdle;
9966 ics_user_moved = FALSE;
9967 /* clean up premove. It's ugly when the game has ended and the
9968 * premove highlights are still on the board.
9972 ClearPremoveHighlights();
9973 DrawPosition(FALSE, boards[currentMove]);
9975 if (whosays == GE_ICS) {
9978 if (gameMode == IcsPlayingWhite)
9980 else if(gameMode == IcsPlayingBlack)
9984 if (gameMode == IcsPlayingBlack)
9986 else if(gameMode == IcsPlayingWhite)
9993 PlayIcsUnfinishedSound();
9996 } else if (gameMode == EditGame ||
9997 gameMode == PlayFromGameFile ||
9998 gameMode == AnalyzeMode ||
9999 gameMode == AnalyzeFile) {
10000 nextGameMode = gameMode;
10002 nextGameMode = EndOfGame;
10007 nextGameMode = gameMode;
10010 if (appData.noChessProgram) {
10011 gameMode = nextGameMode;
10013 endingGame = 0; /* [HGM] crash */
10018 /* Put first chess program into idle state */
10019 if (first.pr != NoProc &&
10020 (gameMode == MachinePlaysWhite ||
10021 gameMode == MachinePlaysBlack ||
10022 gameMode == TwoMachinesPlay ||
10023 gameMode == IcsPlayingWhite ||
10024 gameMode == IcsPlayingBlack ||
10025 gameMode == BeginningOfGame)) {
10026 SendToProgram("force\n", &first);
10027 if (first.usePing) {
10029 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10030 SendToProgram(buf, &first);
10033 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10034 /* Kill off first chess program */
10035 if (first.isr != NULL)
10036 RemoveInputSource(first.isr);
10039 if (first.pr != NoProc) {
10041 DoSleep( appData.delayBeforeQuit );
10042 SendToProgram("quit\n", &first);
10043 DoSleep( appData.delayAfterQuit );
10044 DestroyChildProcess(first.pr, first.useSigterm);
10048 if (second.reuse) {
10049 /* Put second chess program into idle state */
10050 if (second.pr != NoProc &&
10051 gameMode == TwoMachinesPlay) {
10052 SendToProgram("force\n", &second);
10053 if (second.usePing) {
10055 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10056 SendToProgram(buf, &second);
10059 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10060 /* Kill off second chess program */
10061 if (second.isr != NULL)
10062 RemoveInputSource(second.isr);
10065 if (second.pr != NoProc) {
10066 DoSleep( appData.delayBeforeQuit );
10067 SendToProgram("quit\n", &second);
10068 DoSleep( appData.delayAfterQuit );
10069 DestroyChildProcess(second.pr, second.useSigterm);
10071 second.pr = NoProc;
10074 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10075 char resChar = '=';
10079 if (first.twoMachinesColor[0] == 'w') {
10082 second.matchWins++;
10087 if (first.twoMachinesColor[0] == 'b') {
10090 second.matchWins++;
10093 case GameUnfinished:
10099 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10100 if(appData.tourneyFile[0] && !abortMatch){ // [HGM] we are in a tourney; update tourney file with game result
10101 ReserveGame(nextGame, resChar); // sets nextGame
10102 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10103 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10105 if (nextGame <= appData.matchGames && !abortMatch) {
10106 gameMode = nextGameMode;
10107 matchGame = nextGame; // this will be overruled in tourney mode!
10108 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10109 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10110 endingGame = 0; /* [HGM] crash */
10113 gameMode = nextGameMode;
10114 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10115 first.tidy, second.tidy,
10116 first.matchWins, second.matchWins,
10117 appData.matchGames - (first.matchWins + second.matchWins));
10118 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10119 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10120 first.twoMachinesColor = "black\n";
10121 second.twoMachinesColor = "white\n";
10123 first.twoMachinesColor = "white\n";
10124 second.twoMachinesColor = "black\n";
10128 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10129 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10131 gameMode = nextGameMode;
10133 endingGame = 0; /* [HGM] crash */
10134 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10135 if(matchMode == TRUE) { // match through command line: exit with or without popup
10137 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10139 } else DisplayFatalError(buf, 0, 0);
10140 } else { // match through menu; just stop, with or without popup
10141 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10143 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10144 } else DisplayNote(buf);
10146 if(ranking) free(ranking);
10150 /* Assumes program was just initialized (initString sent).
10151 Leaves program in force mode. */
10153 FeedMovesToProgram(cps, upto)
10154 ChessProgramState *cps;
10159 if (appData.debugMode)
10160 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10161 startedFromSetupPosition ? "position and " : "",
10162 backwardMostMove, upto, cps->which);
10163 if(currentlyInitializedVariant != gameInfo.variant) {
10165 // [HGM] variantswitch: make engine aware of new variant
10166 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10167 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10168 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10169 SendToProgram(buf, cps);
10170 currentlyInitializedVariant = gameInfo.variant;
10172 SendToProgram("force\n", cps);
10173 if (startedFromSetupPosition) {
10174 SendBoard(cps, backwardMostMove);
10175 if (appData.debugMode) {
10176 fprintf(debugFP, "feedMoves\n");
10179 for (i = backwardMostMove; i < upto; i++) {
10180 SendMoveToProgram(i, cps);
10186 ResurrectChessProgram()
10188 /* The chess program may have exited.
10189 If so, restart it and feed it all the moves made so far. */
10190 static int doInit = 0;
10192 if (appData.noChessProgram) return 1;
10194 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10195 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10196 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10197 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10199 if (first.pr != NoProc) return 1;
10200 StartChessProgram(&first);
10202 InitChessProgram(&first, FALSE);
10203 FeedMovesToProgram(&first, currentMove);
10205 if (!first.sendTime) {
10206 /* can't tell gnuchess what its clock should read,
10207 so we bow to its notion. */
10209 timeRemaining[0][currentMove] = whiteTimeRemaining;
10210 timeRemaining[1][currentMove] = blackTimeRemaining;
10213 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10214 appData.icsEngineAnalyze) && first.analysisSupport) {
10215 SendToProgram("analyze\n", &first);
10216 first.analyzing = TRUE;
10222 * Button procedures
10225 Reset(redraw, init)
10230 if (appData.debugMode) {
10231 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10232 redraw, init, gameMode);
10234 CleanupTail(); // [HGM] vari: delete any stored variations
10235 pausing = pauseExamInvalid = FALSE;
10236 startedFromSetupPosition = blackPlaysFirst = FALSE;
10238 whiteFlag = blackFlag = FALSE;
10239 userOfferedDraw = FALSE;
10240 hintRequested = bookRequested = FALSE;
10241 first.maybeThinking = FALSE;
10242 second.maybeThinking = FALSE;
10243 first.bookSuspend = FALSE; // [HGM] book
10244 second.bookSuspend = FALSE;
10245 thinkOutput[0] = NULLCHAR;
10246 lastHint[0] = NULLCHAR;
10247 ClearGameInfo(&gameInfo);
10248 gameInfo.variant = StringToVariant(appData.variant);
10249 ics_user_moved = ics_clock_paused = FALSE;
10250 ics_getting_history = H_FALSE;
10252 white_holding[0] = black_holding[0] = NULLCHAR;
10253 ClearProgramStats();
10254 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10258 flipView = appData.flipView;
10259 ClearPremoveHighlights();
10260 gotPremove = FALSE;
10261 alarmSounded = FALSE;
10263 GameEnds(EndOfFile, NULL, GE_PLAYER);
10264 if(appData.serverMovesName != NULL) {
10265 /* [HGM] prepare to make moves file for broadcasting */
10266 clock_t t = clock();
10267 if(serverMoves != NULL) fclose(serverMoves);
10268 serverMoves = fopen(appData.serverMovesName, "r");
10269 if(serverMoves != NULL) {
10270 fclose(serverMoves);
10271 /* delay 15 sec before overwriting, so all clients can see end */
10272 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10274 serverMoves = fopen(appData.serverMovesName, "w");
10278 gameMode = BeginningOfGame;
10280 if(appData.icsActive) gameInfo.variant = VariantNormal;
10281 currentMove = forwardMostMove = backwardMostMove = 0;
10282 InitPosition(redraw);
10283 for (i = 0; i < MAX_MOVES; i++) {
10284 if (commentList[i] != NULL) {
10285 free(commentList[i]);
10286 commentList[i] = NULL;
10290 timeRemaining[0][0] = whiteTimeRemaining;
10291 timeRemaining[1][0] = blackTimeRemaining;
10293 if (first.pr == NULL) {
10294 StartChessProgram(&first);
10297 InitChessProgram(&first, startedFromSetupPosition);
10300 DisplayMessage("", "");
10301 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10302 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10309 if (!AutoPlayOneMove())
10311 if (matchMode || appData.timeDelay == 0)
10313 if (appData.timeDelay < 0)
10315 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10324 int fromX, fromY, toX, toY;
10326 if (appData.debugMode) {
10327 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10330 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10333 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10334 pvInfoList[currentMove].depth = programStats.depth;
10335 pvInfoList[currentMove].score = programStats.score;
10336 pvInfoList[currentMove].time = 0;
10337 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10340 if (currentMove >= forwardMostMove) {
10341 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10342 gameMode = EditGame;
10345 /* [AS] Clear current move marker at the end of a game */
10346 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10351 toX = moveList[currentMove][2] - AAA;
10352 toY = moveList[currentMove][3] - ONE;
10354 if (moveList[currentMove][1] == '@') {
10355 if (appData.highlightLastMove) {
10356 SetHighlights(-1, -1, toX, toY);
10359 fromX = moveList[currentMove][0] - AAA;
10360 fromY = moveList[currentMove][1] - ONE;
10362 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10364 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10366 if (appData.highlightLastMove) {
10367 SetHighlights(fromX, fromY, toX, toY);
10370 DisplayMove(currentMove);
10371 SendMoveToProgram(currentMove++, &first);
10372 DisplayBothClocks();
10373 DrawPosition(FALSE, boards[currentMove]);
10374 // [HGM] PV info: always display, routine tests if empty
10375 DisplayComment(currentMove - 1, commentList[currentMove]);
10381 LoadGameOneMove(readAhead)
10382 ChessMove readAhead;
10384 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10385 char promoChar = NULLCHAR;
10386 ChessMove moveType;
10387 char move[MSG_SIZ];
10390 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10391 gameMode != AnalyzeMode && gameMode != Training) {
10396 yyboardindex = forwardMostMove;
10397 if (readAhead != EndOfFile) {
10398 moveType = readAhead;
10400 if (gameFileFP == NULL)
10402 moveType = (ChessMove) Myylex();
10406 switch (moveType) {
10408 if (appData.debugMode)
10409 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10412 /* append the comment but don't display it */
10413 AppendComment(currentMove, p, FALSE);
10416 case WhiteCapturesEnPassant:
10417 case BlackCapturesEnPassant:
10418 case WhitePromotion:
10419 case BlackPromotion:
10420 case WhiteNonPromotion:
10421 case BlackNonPromotion:
10423 case WhiteKingSideCastle:
10424 case WhiteQueenSideCastle:
10425 case BlackKingSideCastle:
10426 case BlackQueenSideCastle:
10427 case WhiteKingSideCastleWild:
10428 case WhiteQueenSideCastleWild:
10429 case BlackKingSideCastleWild:
10430 case BlackQueenSideCastleWild:
10432 case WhiteHSideCastleFR:
10433 case WhiteASideCastleFR:
10434 case BlackHSideCastleFR:
10435 case BlackASideCastleFR:
10437 if (appData.debugMode)
10438 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10439 fromX = currentMoveString[0] - AAA;
10440 fromY = currentMoveString[1] - ONE;
10441 toX = currentMoveString[2] - AAA;
10442 toY = currentMoveString[3] - ONE;
10443 promoChar = currentMoveString[4];
10448 if (appData.debugMode)
10449 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10450 fromX = moveType == WhiteDrop ?
10451 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10452 (int) CharToPiece(ToLower(currentMoveString[0]));
10454 toX = currentMoveString[2] - AAA;
10455 toY = currentMoveString[3] - ONE;
10461 case GameUnfinished:
10462 if (appData.debugMode)
10463 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10464 p = strchr(yy_text, '{');
10465 if (p == NULL) p = strchr(yy_text, '(');
10468 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10470 q = strchr(p, *p == '{' ? '}' : ')');
10471 if (q != NULL) *q = NULLCHAR;
10474 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10475 GameEnds(moveType, p, GE_FILE);
10477 if (cmailMsgLoaded) {
10479 flipView = WhiteOnMove(currentMove);
10480 if (moveType == GameUnfinished) flipView = !flipView;
10481 if (appData.debugMode)
10482 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10487 if (appData.debugMode)
10488 fprintf(debugFP, "Parser hit end of file\n");
10489 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10495 if (WhiteOnMove(currentMove)) {
10496 GameEnds(BlackWins, "Black mates", GE_FILE);
10498 GameEnds(WhiteWins, "White mates", GE_FILE);
10502 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10508 case MoveNumberOne:
10509 if (lastLoadGameStart == GNUChessGame) {
10510 /* GNUChessGames have numbers, but they aren't move numbers */
10511 if (appData.debugMode)
10512 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10513 yy_text, (int) moveType);
10514 return LoadGameOneMove(EndOfFile); /* tail recursion */
10516 /* else fall thru */
10521 /* Reached start of next game in file */
10522 if (appData.debugMode)
10523 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10524 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10530 if (WhiteOnMove(currentMove)) {
10531 GameEnds(BlackWins, "Black mates", GE_FILE);
10533 GameEnds(WhiteWins, "White mates", GE_FILE);
10537 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10543 case PositionDiagram: /* should not happen; ignore */
10544 case ElapsedTime: /* ignore */
10545 case NAG: /* ignore */
10546 if (appData.debugMode)
10547 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10548 yy_text, (int) moveType);
10549 return LoadGameOneMove(EndOfFile); /* tail recursion */
10552 if (appData.testLegality) {
10553 if (appData.debugMode)
10554 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10555 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10556 (forwardMostMove / 2) + 1,
10557 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10558 DisplayError(move, 0);
10561 if (appData.debugMode)
10562 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10563 yy_text, currentMoveString);
10564 fromX = currentMoveString[0] - AAA;
10565 fromY = currentMoveString[1] - ONE;
10566 toX = currentMoveString[2] - AAA;
10567 toY = currentMoveString[3] - ONE;
10568 promoChar = currentMoveString[4];
10572 case AmbiguousMove:
10573 if (appData.debugMode)
10574 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10575 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10576 (forwardMostMove / 2) + 1,
10577 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10578 DisplayError(move, 0);
10583 case ImpossibleMove:
10584 if (appData.debugMode)
10585 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10586 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10587 (forwardMostMove / 2) + 1,
10588 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10589 DisplayError(move, 0);
10595 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10596 DrawPosition(FALSE, boards[currentMove]);
10597 DisplayBothClocks();
10598 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10599 DisplayComment(currentMove - 1, commentList[currentMove]);
10601 (void) StopLoadGameTimer();
10603 cmailOldMove = forwardMostMove;
10606 /* currentMoveString is set as a side-effect of yylex */
10608 thinkOutput[0] = NULLCHAR;
10609 MakeMove(fromX, fromY, toX, toY, promoChar);
10610 currentMove = forwardMostMove;
10615 /* Load the nth game from the given file */
10617 LoadGameFromFile(filename, n, title, useList)
10621 /*Boolean*/ int useList;
10626 if (strcmp(filename, "-") == 0) {
10630 f = fopen(filename, "rb");
10632 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10633 DisplayError(buf, errno);
10637 if (fseek(f, 0, 0) == -1) {
10638 /* f is not seekable; probably a pipe */
10641 if (useList && n == 0) {
10642 int error = GameListBuild(f);
10644 DisplayError(_("Cannot build game list"), error);
10645 } else if (!ListEmpty(&gameList) &&
10646 ((ListGame *) gameList.tailPred)->number > 1) {
10647 GameListPopUp(f, title);
10654 return LoadGame(f, n, title, FALSE);
10659 MakeRegisteredMove()
10661 int fromX, fromY, toX, toY;
10663 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10664 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10667 if (appData.debugMode)
10668 fprintf(debugFP, "Restoring %s for game %d\n",
10669 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10671 thinkOutput[0] = NULLCHAR;
10672 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10673 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10674 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10675 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10676 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10677 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10678 MakeMove(fromX, fromY, toX, toY, promoChar);
10679 ShowMove(fromX, fromY, toX, toY);
10681 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10688 if (WhiteOnMove(currentMove)) {
10689 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10691 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10696 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10703 if (WhiteOnMove(currentMove)) {
10704 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10706 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10711 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10722 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10724 CmailLoadGame(f, gameNumber, title, useList)
10732 if (gameNumber > nCmailGames) {
10733 DisplayError(_("No more games in this message"), 0);
10736 if (f == lastLoadGameFP) {
10737 int offset = gameNumber - lastLoadGameNumber;
10739 cmailMsg[0] = NULLCHAR;
10740 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10741 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10742 nCmailMovesRegistered--;
10744 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10745 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10746 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10749 if (! RegisterMove()) return FALSE;
10753 retVal = LoadGame(f, gameNumber, title, useList);
10755 /* Make move registered during previous look at this game, if any */
10756 MakeRegisteredMove();
10758 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10759 commentList[currentMove]
10760 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10761 DisplayComment(currentMove - 1, commentList[currentMove]);
10767 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10772 int gameNumber = lastLoadGameNumber + offset;
10773 if (lastLoadGameFP == NULL) {
10774 DisplayError(_("No game has been loaded yet"), 0);
10777 if (gameNumber <= 0) {
10778 DisplayError(_("Can't back up any further"), 0);
10781 if (cmailMsgLoaded) {
10782 return CmailLoadGame(lastLoadGameFP, gameNumber,
10783 lastLoadGameTitle, lastLoadGameUseList);
10785 return LoadGame(lastLoadGameFP, gameNumber,
10786 lastLoadGameTitle, lastLoadGameUseList);
10792 /* Load the nth game from open file f */
10794 LoadGame(f, gameNumber, title, useList)
10802 int gn = gameNumber;
10803 ListGame *lg = NULL;
10804 int numPGNTags = 0;
10806 GameMode oldGameMode;
10807 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10809 if (appData.debugMode)
10810 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10812 if (gameMode == Training )
10813 SetTrainingModeOff();
10815 oldGameMode = gameMode;
10816 if (gameMode != BeginningOfGame) {
10817 Reset(FALSE, TRUE);
10821 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10822 fclose(lastLoadGameFP);
10826 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10829 fseek(f, lg->offset, 0);
10830 GameListHighlight(gameNumber);
10834 DisplayError(_("Game number out of range"), 0);
10839 if (fseek(f, 0, 0) == -1) {
10840 if (f == lastLoadGameFP ?
10841 gameNumber == lastLoadGameNumber + 1 :
10845 DisplayError(_("Can't seek on game file"), 0);
10850 lastLoadGameFP = f;
10851 lastLoadGameNumber = gameNumber;
10852 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10853 lastLoadGameUseList = useList;
10857 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10858 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10859 lg->gameInfo.black);
10861 } else if (*title != NULLCHAR) {
10862 if (gameNumber > 1) {
10863 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10866 DisplayTitle(title);
10870 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10871 gameMode = PlayFromGameFile;
10875 currentMove = forwardMostMove = backwardMostMove = 0;
10876 CopyBoard(boards[0], initialPosition);
10880 * Skip the first gn-1 games in the file.
10881 * Also skip over anything that precedes an identifiable
10882 * start of game marker, to avoid being confused by
10883 * garbage at the start of the file. Currently
10884 * recognized start of game markers are the move number "1",
10885 * the pattern "gnuchess .* game", the pattern
10886 * "^[#;%] [^ ]* game file", and a PGN tag block.
10887 * A game that starts with one of the latter two patterns
10888 * will also have a move number 1, possibly
10889 * following a position diagram.
10890 * 5-4-02: Let's try being more lenient and allowing a game to
10891 * start with an unnumbered move. Does that break anything?
10893 cm = lastLoadGameStart = EndOfFile;
10895 yyboardindex = forwardMostMove;
10896 cm = (ChessMove) Myylex();
10899 if (cmailMsgLoaded) {
10900 nCmailGames = CMAIL_MAX_GAMES - gn;
10903 DisplayError(_("Game not found in file"), 0);
10910 lastLoadGameStart = cm;
10913 case MoveNumberOne:
10914 switch (lastLoadGameStart) {
10919 case MoveNumberOne:
10921 gn--; /* count this game */
10922 lastLoadGameStart = cm;
10931 switch (lastLoadGameStart) {
10934 case MoveNumberOne:
10936 gn--; /* count this game */
10937 lastLoadGameStart = cm;
10940 lastLoadGameStart = cm; /* game counted already */
10948 yyboardindex = forwardMostMove;
10949 cm = (ChessMove) Myylex();
10950 } while (cm == PGNTag || cm == Comment);
10957 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10958 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10959 != CMAIL_OLD_RESULT) {
10961 cmailResult[ CMAIL_MAX_GAMES
10962 - gn - 1] = CMAIL_OLD_RESULT;
10968 /* Only a NormalMove can be at the start of a game
10969 * without a position diagram. */
10970 if (lastLoadGameStart == EndOfFile ) {
10972 lastLoadGameStart = MoveNumberOne;
10981 if (appData.debugMode)
10982 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10984 if (cm == XBoardGame) {
10985 /* Skip any header junk before position diagram and/or move 1 */
10987 yyboardindex = forwardMostMove;
10988 cm = (ChessMove) Myylex();
10990 if (cm == EndOfFile ||
10991 cm == GNUChessGame || cm == XBoardGame) {
10992 /* Empty game; pretend end-of-file and handle later */
10997 if (cm == MoveNumberOne || cm == PositionDiagram ||
10998 cm == PGNTag || cm == Comment)
11001 } else if (cm == GNUChessGame) {
11002 if (gameInfo.event != NULL) {
11003 free(gameInfo.event);
11005 gameInfo.event = StrSave(yy_text);
11008 startedFromSetupPosition = FALSE;
11009 while (cm == PGNTag) {
11010 if (appData.debugMode)
11011 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11012 err = ParsePGNTag(yy_text, &gameInfo);
11013 if (!err) numPGNTags++;
11015 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11016 if(gameInfo.variant != oldVariant) {
11017 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11018 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11019 InitPosition(TRUE);
11020 oldVariant = gameInfo.variant;
11021 if (appData.debugMode)
11022 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11026 if (gameInfo.fen != NULL) {
11027 Board initial_position;
11028 startedFromSetupPosition = TRUE;
11029 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11031 DisplayError(_("Bad FEN position in file"), 0);
11034 CopyBoard(boards[0], initial_position);
11035 if (blackPlaysFirst) {
11036 currentMove = forwardMostMove = backwardMostMove = 1;
11037 CopyBoard(boards[1], initial_position);
11038 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11039 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11040 timeRemaining[0][1] = whiteTimeRemaining;
11041 timeRemaining[1][1] = blackTimeRemaining;
11042 if (commentList[0] != NULL) {
11043 commentList[1] = commentList[0];
11044 commentList[0] = NULL;
11047 currentMove = forwardMostMove = backwardMostMove = 0;
11049 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11051 initialRulePlies = FENrulePlies;
11052 for( i=0; i< nrCastlingRights; i++ )
11053 initialRights[i] = initial_position[CASTLING][i];
11055 yyboardindex = forwardMostMove;
11056 free(gameInfo.fen);
11057 gameInfo.fen = NULL;
11060 yyboardindex = forwardMostMove;
11061 cm = (ChessMove) Myylex();
11063 /* Handle comments interspersed among the tags */
11064 while (cm == Comment) {
11066 if (appData.debugMode)
11067 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11069 AppendComment(currentMove, p, FALSE);
11070 yyboardindex = forwardMostMove;
11071 cm = (ChessMove) Myylex();
11075 /* don't rely on existence of Event tag since if game was
11076 * pasted from clipboard the Event tag may not exist
11078 if (numPGNTags > 0){
11080 if (gameInfo.variant == VariantNormal) {
11081 VariantClass v = StringToVariant(gameInfo.event);
11082 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11083 if(v < VariantShogi) gameInfo.variant = v;
11086 if( appData.autoDisplayTags ) {
11087 tags = PGNTags(&gameInfo);
11088 TagsPopUp(tags, CmailMsg());
11093 /* Make something up, but don't display it now */
11098 if (cm == PositionDiagram) {
11101 Board initial_position;
11103 if (appData.debugMode)
11104 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11106 if (!startedFromSetupPosition) {
11108 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11109 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11120 initial_position[i][j++] = CharToPiece(*p);
11123 while (*p == ' ' || *p == '\t' ||
11124 *p == '\n' || *p == '\r') p++;
11126 if (strncmp(p, "black", strlen("black"))==0)
11127 blackPlaysFirst = TRUE;
11129 blackPlaysFirst = FALSE;
11130 startedFromSetupPosition = TRUE;
11132 CopyBoard(boards[0], initial_position);
11133 if (blackPlaysFirst) {
11134 currentMove = forwardMostMove = backwardMostMove = 1;
11135 CopyBoard(boards[1], initial_position);
11136 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11137 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11138 timeRemaining[0][1] = whiteTimeRemaining;
11139 timeRemaining[1][1] = blackTimeRemaining;
11140 if (commentList[0] != NULL) {
11141 commentList[1] = commentList[0];
11142 commentList[0] = NULL;
11145 currentMove = forwardMostMove = backwardMostMove = 0;
11148 yyboardindex = forwardMostMove;
11149 cm = (ChessMove) Myylex();
11152 if (first.pr == NoProc) {
11153 StartChessProgram(&first);
11155 InitChessProgram(&first, FALSE);
11156 SendToProgram("force\n", &first);
11157 if (startedFromSetupPosition) {
11158 SendBoard(&first, forwardMostMove);
11159 if (appData.debugMode) {
11160 fprintf(debugFP, "Load Game\n");
11162 DisplayBothClocks();
11165 /* [HGM] server: flag to write setup moves in broadcast file as one */
11166 loadFlag = appData.suppressLoadMoves;
11168 while (cm == Comment) {
11170 if (appData.debugMode)
11171 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11173 AppendComment(currentMove, p, FALSE);
11174 yyboardindex = forwardMostMove;
11175 cm = (ChessMove) Myylex();
11178 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11179 cm == WhiteWins || cm == BlackWins ||
11180 cm == GameIsDrawn || cm == GameUnfinished) {
11181 DisplayMessage("", _("No moves in game"));
11182 if (cmailMsgLoaded) {
11183 if (appData.debugMode)
11184 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11188 DrawPosition(FALSE, boards[currentMove]);
11189 DisplayBothClocks();
11190 gameMode = EditGame;
11197 // [HGM] PV info: routine tests if comment empty
11198 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11199 DisplayComment(currentMove - 1, commentList[currentMove]);
11201 if (!matchMode && appData.timeDelay != 0)
11202 DrawPosition(FALSE, boards[currentMove]);
11204 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11205 programStats.ok_to_send = 1;
11208 /* if the first token after the PGN tags is a move
11209 * and not move number 1, retrieve it from the parser
11211 if (cm != MoveNumberOne)
11212 LoadGameOneMove(cm);
11214 /* load the remaining moves from the file */
11215 while (LoadGameOneMove(EndOfFile)) {
11216 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11217 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11220 /* rewind to the start of the game */
11221 currentMove = backwardMostMove;
11223 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11225 if (oldGameMode == AnalyzeFile ||
11226 oldGameMode == AnalyzeMode) {
11227 AnalyzeFileEvent();
11230 if (matchMode || appData.timeDelay == 0) {
11232 gameMode = EditGame;
11234 } else if (appData.timeDelay > 0) {
11235 AutoPlayGameLoop();
11238 if (appData.debugMode)
11239 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11241 loadFlag = 0; /* [HGM] true game starts */
11245 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11247 ReloadPosition(offset)
11250 int positionNumber = lastLoadPositionNumber + offset;
11251 if (lastLoadPositionFP == NULL) {
11252 DisplayError(_("No position has been loaded yet"), 0);
11255 if (positionNumber <= 0) {
11256 DisplayError(_("Can't back up any further"), 0);
11259 return LoadPosition(lastLoadPositionFP, positionNumber,
11260 lastLoadPositionTitle);
11263 /* Load the nth position from the given file */
11265 LoadPositionFromFile(filename, n, title)
11273 if (strcmp(filename, "-") == 0) {
11274 return LoadPosition(stdin, n, "stdin");
11276 f = fopen(filename, "rb");
11278 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11279 DisplayError(buf, errno);
11282 return LoadPosition(f, n, title);
11287 /* Load the nth position from the given open file, and close it */
11289 LoadPosition(f, positionNumber, title)
11291 int positionNumber;
11294 char *p, line[MSG_SIZ];
11295 Board initial_position;
11296 int i, j, fenMode, pn;
11298 if (gameMode == Training )
11299 SetTrainingModeOff();
11301 if (gameMode != BeginningOfGame) {
11302 Reset(FALSE, TRUE);
11304 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11305 fclose(lastLoadPositionFP);
11307 if (positionNumber == 0) positionNumber = 1;
11308 lastLoadPositionFP = f;
11309 lastLoadPositionNumber = positionNumber;
11310 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11311 if (first.pr == NoProc) {
11312 StartChessProgram(&first);
11313 InitChessProgram(&first, FALSE);
11315 pn = positionNumber;
11316 if (positionNumber < 0) {
11317 /* Negative position number means to seek to that byte offset */
11318 if (fseek(f, -positionNumber, 0) == -1) {
11319 DisplayError(_("Can't seek on position file"), 0);
11324 if (fseek(f, 0, 0) == -1) {
11325 if (f == lastLoadPositionFP ?
11326 positionNumber == lastLoadPositionNumber + 1 :
11327 positionNumber == 1) {
11330 DisplayError(_("Can't seek on position file"), 0);
11335 /* See if this file is FEN or old-style xboard */
11336 if (fgets(line, MSG_SIZ, f) == NULL) {
11337 DisplayError(_("Position not found in file"), 0);
11340 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11341 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11344 if (fenMode || line[0] == '#') pn--;
11346 /* skip positions before number pn */
11347 if (fgets(line, MSG_SIZ, f) == NULL) {
11349 DisplayError(_("Position not found in file"), 0);
11352 if (fenMode || line[0] == '#') pn--;
11357 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11358 DisplayError(_("Bad FEN position in file"), 0);
11362 (void) fgets(line, MSG_SIZ, f);
11363 (void) fgets(line, MSG_SIZ, f);
11365 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11366 (void) fgets(line, MSG_SIZ, f);
11367 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11370 initial_position[i][j++] = CharToPiece(*p);
11374 blackPlaysFirst = FALSE;
11376 (void) fgets(line, MSG_SIZ, f);
11377 if (strncmp(line, "black", strlen("black"))==0)
11378 blackPlaysFirst = TRUE;
11381 startedFromSetupPosition = TRUE;
11383 SendToProgram("force\n", &first);
11384 CopyBoard(boards[0], initial_position);
11385 if (blackPlaysFirst) {
11386 currentMove = forwardMostMove = backwardMostMove = 1;
11387 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11388 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11389 CopyBoard(boards[1], initial_position);
11390 DisplayMessage("", _("Black to play"));
11392 currentMove = forwardMostMove = backwardMostMove = 0;
11393 DisplayMessage("", _("White to play"));
11395 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11396 SendBoard(&first, forwardMostMove);
11397 if (appData.debugMode) {
11399 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11400 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11401 fprintf(debugFP, "Load Position\n");
11404 if (positionNumber > 1) {
11405 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11406 DisplayTitle(line);
11408 DisplayTitle(title);
11410 gameMode = EditGame;
11413 timeRemaining[0][1] = whiteTimeRemaining;
11414 timeRemaining[1][1] = blackTimeRemaining;
11415 DrawPosition(FALSE, boards[currentMove]);
11422 CopyPlayerNameIntoFileName(dest, src)
11425 while (*src != NULLCHAR && *src != ',') {
11430 *(*dest)++ = *src++;
11435 char *DefaultFileName(ext)
11438 static char def[MSG_SIZ];
11441 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11443 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11445 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11447 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11454 /* Save the current game to the given file */
11456 SaveGameToFile(filename, append)
11464 if (strcmp(filename, "-") == 0) {
11465 return SaveGame(stdout, 0, NULL);
11467 f = fopen(filename, append ? "a" : "w");
11469 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11470 DisplayError(buf, errno);
11473 safeStrCpy(buf, lastMsg, MSG_SIZ);
11474 DisplayMessage(_("Waiting for access to save file"), "");
11475 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11476 DisplayMessage(_("Saving game"), "");
11477 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11478 result = SaveGame(f, 0, NULL);
11479 DisplayMessage(buf, "");
11489 static char buf[MSG_SIZ];
11492 p = strchr(str, ' ');
11493 if (p == NULL) return str;
11494 strncpy(buf, str, p - str);
11495 buf[p - str] = NULLCHAR;
11499 #define PGN_MAX_LINE 75
11501 #define PGN_SIDE_WHITE 0
11502 #define PGN_SIDE_BLACK 1
11505 static int FindFirstMoveOutOfBook( int side )
11509 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11510 int index = backwardMostMove;
11511 int has_book_hit = 0;
11513 if( (index % 2) != side ) {
11517 while( index < forwardMostMove ) {
11518 /* Check to see if engine is in book */
11519 int depth = pvInfoList[index].depth;
11520 int score = pvInfoList[index].score;
11526 else if( score == 0 && depth == 63 ) {
11527 in_book = 1; /* Zappa */
11529 else if( score == 2 && depth == 99 ) {
11530 in_book = 1; /* Abrok */
11533 has_book_hit += in_book;
11549 void GetOutOfBookInfo( char * buf )
11553 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11555 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11556 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11560 if( oob[0] >= 0 || oob[1] >= 0 ) {
11561 for( i=0; i<2; i++ ) {
11565 if( i > 0 && oob[0] >= 0 ) {
11566 strcat( buf, " " );
11569 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11570 sprintf( buf+strlen(buf), "%s%.2f",
11571 pvInfoList[idx].score >= 0 ? "+" : "",
11572 pvInfoList[idx].score / 100.0 );
11578 /* Save game in PGN style and close the file */
11583 int i, offset, linelen, newblock;
11587 int movelen, numlen, blank;
11588 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11590 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11592 tm = time((time_t *) NULL);
11594 PrintPGNTags(f, &gameInfo);
11596 if (backwardMostMove > 0 || startedFromSetupPosition) {
11597 char *fen = PositionToFEN(backwardMostMove, NULL);
11598 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11599 fprintf(f, "\n{--------------\n");
11600 PrintPosition(f, backwardMostMove);
11601 fprintf(f, "--------------}\n");
11605 /* [AS] Out of book annotation */
11606 if( appData.saveOutOfBookInfo ) {
11609 GetOutOfBookInfo( buf );
11611 if( buf[0] != '\0' ) {
11612 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11619 i = backwardMostMove;
11623 while (i < forwardMostMove) {
11624 /* Print comments preceding this move */
11625 if (commentList[i] != NULL) {
11626 if (linelen > 0) fprintf(f, "\n");
11627 fprintf(f, "%s", commentList[i]);
11632 /* Format move number */
11634 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11637 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11639 numtext[0] = NULLCHAR;
11641 numlen = strlen(numtext);
11644 /* Print move number */
11645 blank = linelen > 0 && numlen > 0;
11646 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11655 fprintf(f, "%s", numtext);
11659 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11660 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11663 blank = linelen > 0 && movelen > 0;
11664 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11673 fprintf(f, "%s", move_buffer);
11674 linelen += movelen;
11676 /* [AS] Add PV info if present */
11677 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11678 /* [HGM] add time */
11679 char buf[MSG_SIZ]; int seconds;
11681 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11687 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11690 seconds = (seconds + 4)/10; // round to full seconds
11692 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11694 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11697 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11698 pvInfoList[i].score >= 0 ? "+" : "",
11699 pvInfoList[i].score / 100.0,
11700 pvInfoList[i].depth,
11703 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11705 /* Print score/depth */
11706 blank = linelen > 0 && movelen > 0;
11707 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11716 fprintf(f, "%s", move_buffer);
11717 linelen += movelen;
11723 /* Start a new line */
11724 if (linelen > 0) fprintf(f, "\n");
11726 /* Print comments after last move */
11727 if (commentList[i] != NULL) {
11728 fprintf(f, "%s\n", commentList[i]);
11732 if (gameInfo.resultDetails != NULL &&
11733 gameInfo.resultDetails[0] != NULLCHAR) {
11734 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11735 PGNResult(gameInfo.result));
11737 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11741 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11745 /* Save game in old style and close the file */
11747 SaveGameOldStyle(f)
11753 tm = time((time_t *) NULL);
11755 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11758 if (backwardMostMove > 0 || startedFromSetupPosition) {
11759 fprintf(f, "\n[--------------\n");
11760 PrintPosition(f, backwardMostMove);
11761 fprintf(f, "--------------]\n");
11766 i = backwardMostMove;
11767 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11769 while (i < forwardMostMove) {
11770 if (commentList[i] != NULL) {
11771 fprintf(f, "[%s]\n", commentList[i]);
11774 if ((i % 2) == 1) {
11775 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11778 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11780 if (commentList[i] != NULL) {
11784 if (i >= forwardMostMove) {
11788 fprintf(f, "%s\n", parseList[i]);
11793 if (commentList[i] != NULL) {
11794 fprintf(f, "[%s]\n", commentList[i]);
11797 /* This isn't really the old style, but it's close enough */
11798 if (gameInfo.resultDetails != NULL &&
11799 gameInfo.resultDetails[0] != NULLCHAR) {
11800 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11801 gameInfo.resultDetails);
11803 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11810 /* Save the current game to open file f and close the file */
11812 SaveGame(f, dummy, dummy2)
11817 if (gameMode == EditPosition) EditPositionDone(TRUE);
11818 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11819 if (appData.oldSaveStyle)
11820 return SaveGameOldStyle(f);
11822 return SaveGamePGN(f);
11825 /* Save the current position to the given file */
11827 SavePositionToFile(filename)
11833 if (strcmp(filename, "-") == 0) {
11834 return SavePosition(stdout, 0, NULL);
11836 f = fopen(filename, "a");
11838 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11839 DisplayError(buf, errno);
11842 safeStrCpy(buf, lastMsg, MSG_SIZ);
11843 DisplayMessage(_("Waiting for access to save file"), "");
11844 flock(fileno(f), LOCK_EX); // [HGM] lock
11845 DisplayMessage(_("Saving position"), "");
11846 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
11847 SavePosition(f, 0, NULL);
11848 DisplayMessage(buf, "");
11854 /* Save the current position to the given open file and close the file */
11856 SavePosition(f, dummy, dummy2)
11864 if (gameMode == EditPosition) EditPositionDone(TRUE);
11865 if (appData.oldSaveStyle) {
11866 tm = time((time_t *) NULL);
11868 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11870 fprintf(f, "[--------------\n");
11871 PrintPosition(f, currentMove);
11872 fprintf(f, "--------------]\n");
11874 fen = PositionToFEN(currentMove, NULL);
11875 fprintf(f, "%s\n", fen);
11883 ReloadCmailMsgEvent(unregister)
11887 static char *inFilename = NULL;
11888 static char *outFilename;
11890 struct stat inbuf, outbuf;
11893 /* Any registered moves are unregistered if unregister is set, */
11894 /* i.e. invoked by the signal handler */
11896 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11897 cmailMoveRegistered[i] = FALSE;
11898 if (cmailCommentList[i] != NULL) {
11899 free(cmailCommentList[i]);
11900 cmailCommentList[i] = NULL;
11903 nCmailMovesRegistered = 0;
11906 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11907 cmailResult[i] = CMAIL_NOT_RESULT;
11911 if (inFilename == NULL) {
11912 /* Because the filenames are static they only get malloced once */
11913 /* and they never get freed */
11914 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11915 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11917 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11918 sprintf(outFilename, "%s.out", appData.cmailGameName);
11921 status = stat(outFilename, &outbuf);
11923 cmailMailedMove = FALSE;
11925 status = stat(inFilename, &inbuf);
11926 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11929 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11930 counts the games, notes how each one terminated, etc.
11932 It would be nice to remove this kludge and instead gather all
11933 the information while building the game list. (And to keep it
11934 in the game list nodes instead of having a bunch of fixed-size
11935 parallel arrays.) Note this will require getting each game's
11936 termination from the PGN tags, as the game list builder does
11937 not process the game moves. --mann
11939 cmailMsgLoaded = TRUE;
11940 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11942 /* Load first game in the file or popup game menu */
11943 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11945 #endif /* !WIN32 */
11953 char string[MSG_SIZ];
11955 if ( cmailMailedMove
11956 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11957 return TRUE; /* Allow free viewing */
11960 /* Unregister move to ensure that we don't leave RegisterMove */
11961 /* with the move registered when the conditions for registering no */
11963 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11964 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11965 nCmailMovesRegistered --;
11967 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11969 free(cmailCommentList[lastLoadGameNumber - 1]);
11970 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11974 if (cmailOldMove == -1) {
11975 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11979 if (currentMove > cmailOldMove + 1) {
11980 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11984 if (currentMove < cmailOldMove) {
11985 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11989 if (forwardMostMove > currentMove) {
11990 /* Silently truncate extra moves */
11994 if ( (currentMove == cmailOldMove + 1)
11995 || ( (currentMove == cmailOldMove)
11996 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11997 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11998 if (gameInfo.result != GameUnfinished) {
11999 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12002 if (commentList[currentMove] != NULL) {
12003 cmailCommentList[lastLoadGameNumber - 1]
12004 = StrSave(commentList[currentMove]);
12006 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12008 if (appData.debugMode)
12009 fprintf(debugFP, "Saving %s for game %d\n",
12010 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12012 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12014 f = fopen(string, "w");
12015 if (appData.oldSaveStyle) {
12016 SaveGameOldStyle(f); /* also closes the file */
12018 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12019 f = fopen(string, "w");
12020 SavePosition(f, 0, NULL); /* also closes the file */
12022 fprintf(f, "{--------------\n");
12023 PrintPosition(f, currentMove);
12024 fprintf(f, "--------------}\n\n");
12026 SaveGame(f, 0, NULL); /* also closes the file*/
12029 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12030 nCmailMovesRegistered ++;
12031 } else if (nCmailGames == 1) {
12032 DisplayError(_("You have not made a move yet"), 0);
12043 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12044 FILE *commandOutput;
12045 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12046 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12052 if (! cmailMsgLoaded) {
12053 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12057 if (nCmailGames == nCmailResults) {
12058 DisplayError(_("No unfinished games"), 0);
12062 #if CMAIL_PROHIBIT_REMAIL
12063 if (cmailMailedMove) {
12064 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);
12065 DisplayError(msg, 0);
12070 if (! (cmailMailedMove || RegisterMove())) return;
12072 if ( cmailMailedMove
12073 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12074 snprintf(string, MSG_SIZ, partCommandString,
12075 appData.debugMode ? " -v" : "", appData.cmailGameName);
12076 commandOutput = popen(string, "r");
12078 if (commandOutput == NULL) {
12079 DisplayError(_("Failed to invoke cmail"), 0);
12081 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12082 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12084 if (nBuffers > 1) {
12085 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12086 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12087 nBytes = MSG_SIZ - 1;
12089 (void) memcpy(msg, buffer, nBytes);
12091 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12093 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12094 cmailMailedMove = TRUE; /* Prevent >1 moves */
12097 for (i = 0; i < nCmailGames; i ++) {
12098 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12103 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12105 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12107 appData.cmailGameName,
12109 LoadGameFromFile(buffer, 1, buffer, FALSE);
12110 cmailMsgLoaded = FALSE;
12114 DisplayInformation(msg);
12115 pclose(commandOutput);
12118 if ((*cmailMsg) != '\0') {
12119 DisplayInformation(cmailMsg);
12124 #endif /* !WIN32 */
12133 int prependComma = 0;
12135 char string[MSG_SIZ]; /* Space for game-list */
12138 if (!cmailMsgLoaded) return "";
12140 if (cmailMailedMove) {
12141 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12143 /* Create a list of games left */
12144 snprintf(string, MSG_SIZ, "[");
12145 for (i = 0; i < nCmailGames; i ++) {
12146 if (! ( cmailMoveRegistered[i]
12147 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12148 if (prependComma) {
12149 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12151 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12155 strcat(string, number);
12158 strcat(string, "]");
12160 if (nCmailMovesRegistered + nCmailResults == 0) {
12161 switch (nCmailGames) {
12163 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12167 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12171 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12176 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12178 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12183 if (nCmailResults == nCmailGames) {
12184 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12186 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12191 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12203 if (gameMode == Training)
12204 SetTrainingModeOff();
12207 cmailMsgLoaded = FALSE;
12208 if (appData.icsActive) {
12209 SendToICS(ics_prefix);
12210 SendToICS("refresh\n");
12220 /* Give up on clean exit */
12224 /* Keep trying for clean exit */
12228 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12230 if (telnetISR != NULL) {
12231 RemoveInputSource(telnetISR);
12233 if (icsPR != NoProc) {
12234 DestroyChildProcess(icsPR, TRUE);
12237 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12238 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12240 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12241 /* make sure this other one finishes before killing it! */
12242 if(endingGame) { int count = 0;
12243 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12244 while(endingGame && count++ < 10) DoSleep(1);
12245 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12248 /* Kill off chess programs */
12249 if (first.pr != NoProc) {
12252 DoSleep( appData.delayBeforeQuit );
12253 SendToProgram("quit\n", &first);
12254 DoSleep( appData.delayAfterQuit );
12255 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12257 if (second.pr != NoProc) {
12258 DoSleep( appData.delayBeforeQuit );
12259 SendToProgram("quit\n", &second);
12260 DoSleep( appData.delayAfterQuit );
12261 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12263 if (first.isr != NULL) {
12264 RemoveInputSource(first.isr);
12266 if (second.isr != NULL) {
12267 RemoveInputSource(second.isr);
12270 ShutDownFrontEnd();
12277 if (appData.debugMode)
12278 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12282 if (gameMode == MachinePlaysWhite ||
12283 gameMode == MachinePlaysBlack) {
12286 DisplayBothClocks();
12288 if (gameMode == PlayFromGameFile) {
12289 if (appData.timeDelay >= 0)
12290 AutoPlayGameLoop();
12291 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12292 Reset(FALSE, TRUE);
12293 SendToICS(ics_prefix);
12294 SendToICS("refresh\n");
12295 } else if (currentMove < forwardMostMove) {
12296 ForwardInner(forwardMostMove);
12298 pauseExamInvalid = FALSE;
12300 switch (gameMode) {
12304 pauseExamForwardMostMove = forwardMostMove;
12305 pauseExamInvalid = FALSE;
12308 case IcsPlayingWhite:
12309 case IcsPlayingBlack:
12313 case PlayFromGameFile:
12314 (void) StopLoadGameTimer();
12318 case BeginningOfGame:
12319 if (appData.icsActive) return;
12320 /* else fall through */
12321 case MachinePlaysWhite:
12322 case MachinePlaysBlack:
12323 case TwoMachinesPlay:
12324 if (forwardMostMove == 0)
12325 return; /* don't pause if no one has moved */
12326 if ((gameMode == MachinePlaysWhite &&
12327 !WhiteOnMove(forwardMostMove)) ||
12328 (gameMode == MachinePlaysBlack &&
12329 WhiteOnMove(forwardMostMove))) {
12342 char title[MSG_SIZ];
12344 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12345 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12347 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12348 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12349 parseList[currentMove - 1]);
12352 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12359 char *tags = PGNTags(&gameInfo);
12361 EditTagsPopUp(tags, NULL);
12368 if (appData.noChessProgram || gameMode == AnalyzeMode)
12371 if (gameMode != AnalyzeFile) {
12372 if (!appData.icsEngineAnalyze) {
12374 if (gameMode != EditGame) return;
12376 ResurrectChessProgram();
12377 SendToProgram("analyze\n", &first);
12378 first.analyzing = TRUE;
12379 /*first.maybeThinking = TRUE;*/
12380 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12381 EngineOutputPopUp();
12383 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12388 StartAnalysisClock();
12389 GetTimeMark(&lastNodeCountTime);
12396 if (appData.noChessProgram || gameMode == AnalyzeFile)
12399 if (gameMode != AnalyzeMode) {
12401 if (gameMode != EditGame) return;
12402 ResurrectChessProgram();
12403 SendToProgram("analyze\n", &first);
12404 first.analyzing = TRUE;
12405 /*first.maybeThinking = TRUE;*/
12406 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12407 EngineOutputPopUp();
12409 gameMode = AnalyzeFile;
12414 StartAnalysisClock();
12415 GetTimeMark(&lastNodeCountTime);
12420 MachineWhiteEvent()
12423 char *bookHit = NULL;
12425 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12429 if (gameMode == PlayFromGameFile ||
12430 gameMode == TwoMachinesPlay ||
12431 gameMode == Training ||
12432 gameMode == AnalyzeMode ||
12433 gameMode == EndOfGame)
12436 if (gameMode == EditPosition)
12437 EditPositionDone(TRUE);
12439 if (!WhiteOnMove(currentMove)) {
12440 DisplayError(_("It is not White's turn"), 0);
12444 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12447 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12448 gameMode == AnalyzeFile)
12451 ResurrectChessProgram(); /* in case it isn't running */
12452 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12453 gameMode = MachinePlaysWhite;
12456 gameMode = MachinePlaysWhite;
12460 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12462 if (first.sendName) {
12463 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12464 SendToProgram(buf, &first);
12466 if (first.sendTime) {
12467 if (first.useColors) {
12468 SendToProgram("black\n", &first); /*gnu kludge*/
12470 SendTimeRemaining(&first, TRUE);
12472 if (first.useColors) {
12473 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12475 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12476 SetMachineThinkingEnables();
12477 first.maybeThinking = TRUE;
12481 if (appData.autoFlipView && !flipView) {
12482 flipView = !flipView;
12483 DrawPosition(FALSE, NULL);
12484 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12487 if(bookHit) { // [HGM] book: simulate book reply
12488 static char bookMove[MSG_SIZ]; // a bit generous?
12490 programStats.nodes = programStats.depth = programStats.time =
12491 programStats.score = programStats.got_only_move = 0;
12492 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12494 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12495 strcat(bookMove, bookHit);
12496 HandleMachineMove(bookMove, &first);
12501 MachineBlackEvent()
12504 char *bookHit = NULL;
12506 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12510 if (gameMode == PlayFromGameFile ||
12511 gameMode == TwoMachinesPlay ||
12512 gameMode == Training ||
12513 gameMode == AnalyzeMode ||
12514 gameMode == EndOfGame)
12517 if (gameMode == EditPosition)
12518 EditPositionDone(TRUE);
12520 if (WhiteOnMove(currentMove)) {
12521 DisplayError(_("It is not Black's turn"), 0);
12525 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12528 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12529 gameMode == AnalyzeFile)
12532 ResurrectChessProgram(); /* in case it isn't running */
12533 gameMode = MachinePlaysBlack;
12537 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12539 if (first.sendName) {
12540 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12541 SendToProgram(buf, &first);
12543 if (first.sendTime) {
12544 if (first.useColors) {
12545 SendToProgram("white\n", &first); /*gnu kludge*/
12547 SendTimeRemaining(&first, FALSE);
12549 if (first.useColors) {
12550 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12552 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12553 SetMachineThinkingEnables();
12554 first.maybeThinking = TRUE;
12557 if (appData.autoFlipView && flipView) {
12558 flipView = !flipView;
12559 DrawPosition(FALSE, NULL);
12560 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12562 if(bookHit) { // [HGM] book: simulate book reply
12563 static char bookMove[MSG_SIZ]; // a bit generous?
12565 programStats.nodes = programStats.depth = programStats.time =
12566 programStats.score = programStats.got_only_move = 0;
12567 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12569 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12570 strcat(bookMove, bookHit);
12571 HandleMachineMove(bookMove, &first);
12577 DisplayTwoMachinesTitle()
12580 if (appData.matchGames > 0) {
12581 if (first.twoMachinesColor[0] == 'w') {
12582 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12583 gameInfo.white, gameInfo.black,
12584 first.matchWins, second.matchWins,
12585 matchGame - 1 - (first.matchWins + second.matchWins));
12587 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12588 gameInfo.white, gameInfo.black,
12589 second.matchWins, first.matchWins,
12590 matchGame - 1 - (first.matchWins + second.matchWins));
12593 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12599 SettingsMenuIfReady()
12601 if (second.lastPing != second.lastPong) {
12602 DisplayMessage("", _("Waiting for second chess program"));
12603 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12607 DisplayMessage("", "");
12608 SettingsPopUp(&second);
12612 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12615 if (cps->pr == NULL) {
12616 StartChessProgram(cps);
12617 if (cps->protocolVersion == 1) {
12620 /* kludge: allow timeout for initial "feature" command */
12622 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12623 DisplayMessage("", buf);
12624 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12632 TwoMachinesEvent P((void))
12636 ChessProgramState *onmove;
12637 char *bookHit = NULL;
12638 static int stalling = 0;
12642 if (appData.noChessProgram) return;
12644 switch (gameMode) {
12645 case TwoMachinesPlay:
12647 case MachinePlaysWhite:
12648 case MachinePlaysBlack:
12649 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12650 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12654 case BeginningOfGame:
12655 case PlayFromGameFile:
12658 if (gameMode != EditGame) return;
12661 EditPositionDone(TRUE);
12672 // forwardMostMove = currentMove;
12673 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12675 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12677 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12678 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12679 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12683 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12684 SendToProgram("force\n", &second);
12686 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12689 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12690 if(appData.matchPause>10000 || appData.matchPause<10)
12691 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12692 wait = SubtractTimeMarks(&now, &pauseStart);
12693 if(wait < appData.matchPause) {
12694 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12698 DisplayMessage("", "");
12699 if (startedFromSetupPosition) {
12700 SendBoard(&second, backwardMostMove);
12701 if (appData.debugMode) {
12702 fprintf(debugFP, "Two Machines\n");
12705 for (i = backwardMostMove; i < forwardMostMove; i++) {
12706 SendMoveToProgram(i, &second);
12709 gameMode = TwoMachinesPlay;
12713 DisplayTwoMachinesTitle();
12715 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12720 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12721 SendToProgram(first.computerString, &first);
12722 if (first.sendName) {
12723 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12724 SendToProgram(buf, &first);
12726 SendToProgram(second.computerString, &second);
12727 if (second.sendName) {
12728 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12729 SendToProgram(buf, &second);
12733 if (!first.sendTime || !second.sendTime) {
12734 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12735 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12737 if (onmove->sendTime) {
12738 if (onmove->useColors) {
12739 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12741 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12743 if (onmove->useColors) {
12744 SendToProgram(onmove->twoMachinesColor, onmove);
12746 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12747 // SendToProgram("go\n", onmove);
12748 onmove->maybeThinking = TRUE;
12749 SetMachineThinkingEnables();
12753 if(bookHit) { // [HGM] book: simulate book reply
12754 static char bookMove[MSG_SIZ]; // a bit generous?
12756 programStats.nodes = programStats.depth = programStats.time =
12757 programStats.score = programStats.got_only_move = 0;
12758 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12760 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12761 strcat(bookMove, bookHit);
12762 savedMessage = bookMove; // args for deferred call
12763 savedState = onmove;
12764 ScheduleDelayedEvent(DeferredBookMove, 1);
12771 if (gameMode == Training) {
12772 SetTrainingModeOff();
12773 gameMode = PlayFromGameFile;
12774 DisplayMessage("", _("Training mode off"));
12776 gameMode = Training;
12777 animateTraining = appData.animate;
12779 /* make sure we are not already at the end of the game */
12780 if (currentMove < forwardMostMove) {
12781 SetTrainingModeOn();
12782 DisplayMessage("", _("Training mode on"));
12784 gameMode = PlayFromGameFile;
12785 DisplayError(_("Already at end of game"), 0);
12794 if (!appData.icsActive) return;
12795 switch (gameMode) {
12796 case IcsPlayingWhite:
12797 case IcsPlayingBlack:
12800 case BeginningOfGame:
12808 EditPositionDone(TRUE);
12821 gameMode = IcsIdle;
12832 switch (gameMode) {
12834 SetTrainingModeOff();
12836 case MachinePlaysWhite:
12837 case MachinePlaysBlack:
12838 case BeginningOfGame:
12839 SendToProgram("force\n", &first);
12840 SetUserThinkingEnables();
12842 case PlayFromGameFile:
12843 (void) StopLoadGameTimer();
12844 if (gameFileFP != NULL) {
12849 EditPositionDone(TRUE);
12854 SendToProgram("force\n", &first);
12856 case TwoMachinesPlay:
12857 GameEnds(EndOfFile, NULL, GE_PLAYER);
12858 ResurrectChessProgram();
12859 SetUserThinkingEnables();
12862 ResurrectChessProgram();
12864 case IcsPlayingBlack:
12865 case IcsPlayingWhite:
12866 DisplayError(_("Warning: You are still playing a game"), 0);
12869 DisplayError(_("Warning: You are still observing a game"), 0);
12872 DisplayError(_("Warning: You are still examining a game"), 0);
12883 first.offeredDraw = second.offeredDraw = 0;
12885 if (gameMode == PlayFromGameFile) {
12886 whiteTimeRemaining = timeRemaining[0][currentMove];
12887 blackTimeRemaining = timeRemaining[1][currentMove];
12891 if (gameMode == MachinePlaysWhite ||
12892 gameMode == MachinePlaysBlack ||
12893 gameMode == TwoMachinesPlay ||
12894 gameMode == EndOfGame) {
12895 i = forwardMostMove;
12896 while (i > currentMove) {
12897 SendToProgram("undo\n", &first);
12900 whiteTimeRemaining = timeRemaining[0][currentMove];
12901 blackTimeRemaining = timeRemaining[1][currentMove];
12902 DisplayBothClocks();
12903 if (whiteFlag || blackFlag) {
12904 whiteFlag = blackFlag = 0;
12909 gameMode = EditGame;
12916 EditPositionEvent()
12918 if (gameMode == EditPosition) {
12924 if (gameMode != EditGame) return;
12926 gameMode = EditPosition;
12929 if (currentMove > 0)
12930 CopyBoard(boards[0], boards[currentMove]);
12932 blackPlaysFirst = !WhiteOnMove(currentMove);
12934 currentMove = forwardMostMove = backwardMostMove = 0;
12935 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12942 /* [DM] icsEngineAnalyze - possible call from other functions */
12943 if (appData.icsEngineAnalyze) {
12944 appData.icsEngineAnalyze = FALSE;
12946 DisplayMessage("",_("Close ICS engine analyze..."));
12948 if (first.analysisSupport && first.analyzing) {
12949 SendToProgram("exit\n", &first);
12950 first.analyzing = FALSE;
12952 thinkOutput[0] = NULLCHAR;
12956 EditPositionDone(Boolean fakeRights)
12958 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12960 startedFromSetupPosition = TRUE;
12961 InitChessProgram(&first, FALSE);
12962 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12963 boards[0][EP_STATUS] = EP_NONE;
12964 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12965 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12966 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12967 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12968 } else boards[0][CASTLING][2] = NoRights;
12969 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12970 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12971 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12972 } else boards[0][CASTLING][5] = NoRights;
12974 SendToProgram("force\n", &first);
12975 if (blackPlaysFirst) {
12976 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12977 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12978 currentMove = forwardMostMove = backwardMostMove = 1;
12979 CopyBoard(boards[1], boards[0]);
12981 currentMove = forwardMostMove = backwardMostMove = 0;
12983 SendBoard(&first, forwardMostMove);
12984 if (appData.debugMode) {
12985 fprintf(debugFP, "EditPosDone\n");
12988 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12989 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12990 gameMode = EditGame;
12992 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12993 ClearHighlights(); /* [AS] */
12996 /* Pause for `ms' milliseconds */
12997 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13007 } while (SubtractTimeMarks(&m2, &m1) < ms);
13010 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13012 SendMultiLineToICS(buf)
13015 char temp[MSG_SIZ+1], *p;
13022 strncpy(temp, buf, len);
13027 if (*p == '\n' || *p == '\r')
13032 strcat(temp, "\n");
13034 SendToPlayer(temp, strlen(temp));
13038 SetWhiteToPlayEvent()
13040 if (gameMode == EditPosition) {
13041 blackPlaysFirst = FALSE;
13042 DisplayBothClocks(); /* works because currentMove is 0 */
13043 } else if (gameMode == IcsExamining) {
13044 SendToICS(ics_prefix);
13045 SendToICS("tomove white\n");
13050 SetBlackToPlayEvent()
13052 if (gameMode == EditPosition) {
13053 blackPlaysFirst = TRUE;
13054 currentMove = 1; /* kludge */
13055 DisplayBothClocks();
13057 } else if (gameMode == IcsExamining) {
13058 SendToICS(ics_prefix);
13059 SendToICS("tomove black\n");
13064 EditPositionMenuEvent(selection, x, y)
13065 ChessSquare selection;
13069 ChessSquare piece = boards[0][y][x];
13071 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13073 switch (selection) {
13075 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13076 SendToICS(ics_prefix);
13077 SendToICS("bsetup clear\n");
13078 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13079 SendToICS(ics_prefix);
13080 SendToICS("clearboard\n");
13082 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13083 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13084 for (y = 0; y < BOARD_HEIGHT; y++) {
13085 if (gameMode == IcsExamining) {
13086 if (boards[currentMove][y][x] != EmptySquare) {
13087 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13092 boards[0][y][x] = p;
13097 if (gameMode == EditPosition) {
13098 DrawPosition(FALSE, boards[0]);
13103 SetWhiteToPlayEvent();
13107 SetBlackToPlayEvent();
13111 if (gameMode == IcsExamining) {
13112 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13113 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13116 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13117 if(x == BOARD_LEFT-2) {
13118 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13119 boards[0][y][1] = 0;
13121 if(x == BOARD_RGHT+1) {
13122 if(y >= gameInfo.holdingsSize) break;
13123 boards[0][y][BOARD_WIDTH-2] = 0;
13126 boards[0][y][x] = EmptySquare;
13127 DrawPosition(FALSE, boards[0]);
13132 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13133 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13134 selection = (ChessSquare) (PROMOTED piece);
13135 } else if(piece == EmptySquare) selection = WhiteSilver;
13136 else selection = (ChessSquare)((int)piece - 1);
13140 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13141 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13142 selection = (ChessSquare) (DEMOTED piece);
13143 } else if(piece == EmptySquare) selection = BlackSilver;
13144 else selection = (ChessSquare)((int)piece + 1);
13149 if(gameInfo.variant == VariantShatranj ||
13150 gameInfo.variant == VariantXiangqi ||
13151 gameInfo.variant == VariantCourier ||
13152 gameInfo.variant == VariantMakruk )
13153 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13158 if(gameInfo.variant == VariantXiangqi)
13159 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13160 if(gameInfo.variant == VariantKnightmate)
13161 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13164 if (gameMode == IcsExamining) {
13165 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13166 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13167 PieceToChar(selection), AAA + x, ONE + y);
13170 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13172 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13173 n = PieceToNumber(selection - BlackPawn);
13174 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13175 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13176 boards[0][BOARD_HEIGHT-1-n][1]++;
13178 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13179 n = PieceToNumber(selection);
13180 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13181 boards[0][n][BOARD_WIDTH-1] = selection;
13182 boards[0][n][BOARD_WIDTH-2]++;
13185 boards[0][y][x] = selection;
13186 DrawPosition(TRUE, boards[0]);
13194 DropMenuEvent(selection, x, y)
13195 ChessSquare selection;
13198 ChessMove moveType;
13200 switch (gameMode) {
13201 case IcsPlayingWhite:
13202 case MachinePlaysBlack:
13203 if (!WhiteOnMove(currentMove)) {
13204 DisplayMoveError(_("It is Black's turn"));
13207 moveType = WhiteDrop;
13209 case IcsPlayingBlack:
13210 case MachinePlaysWhite:
13211 if (WhiteOnMove(currentMove)) {
13212 DisplayMoveError(_("It is White's turn"));
13215 moveType = BlackDrop;
13218 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13224 if (moveType == BlackDrop && selection < BlackPawn) {
13225 selection = (ChessSquare) ((int) selection
13226 + (int) BlackPawn - (int) WhitePawn);
13228 if (boards[currentMove][y][x] != EmptySquare) {
13229 DisplayMoveError(_("That square is occupied"));
13233 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13239 /* Accept a pending offer of any kind from opponent */
13241 if (appData.icsActive) {
13242 SendToICS(ics_prefix);
13243 SendToICS("accept\n");
13244 } else if (cmailMsgLoaded) {
13245 if (currentMove == cmailOldMove &&
13246 commentList[cmailOldMove] != NULL &&
13247 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13248 "Black offers a draw" : "White offers a draw")) {
13250 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13251 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13253 DisplayError(_("There is no pending offer on this move"), 0);
13254 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13257 /* Not used for offers from chess program */
13264 /* Decline a pending offer of any kind from opponent */
13266 if (appData.icsActive) {
13267 SendToICS(ics_prefix);
13268 SendToICS("decline\n");
13269 } else if (cmailMsgLoaded) {
13270 if (currentMove == cmailOldMove &&
13271 commentList[cmailOldMove] != NULL &&
13272 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13273 "Black offers a draw" : "White offers a draw")) {
13275 AppendComment(cmailOldMove, "Draw declined", TRUE);
13276 DisplayComment(cmailOldMove - 1, "Draw declined");
13279 DisplayError(_("There is no pending offer on this move"), 0);
13282 /* Not used for offers from chess program */
13289 /* Issue ICS rematch command */
13290 if (appData.icsActive) {
13291 SendToICS(ics_prefix);
13292 SendToICS("rematch\n");
13299 /* Call your opponent's flag (claim a win on time) */
13300 if (appData.icsActive) {
13301 SendToICS(ics_prefix);
13302 SendToICS("flag\n");
13304 switch (gameMode) {
13307 case MachinePlaysWhite:
13310 GameEnds(GameIsDrawn, "Both players ran out of time",
13313 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13315 DisplayError(_("Your opponent is not out of time"), 0);
13318 case MachinePlaysBlack:
13321 GameEnds(GameIsDrawn, "Both players ran out of time",
13324 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13326 DisplayError(_("Your opponent is not out of time"), 0);
13334 ClockClick(int which)
13335 { // [HGM] code moved to back-end from winboard.c
13336 if(which) { // black clock
13337 if (gameMode == EditPosition || gameMode == IcsExamining) {
13338 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13339 SetBlackToPlayEvent();
13340 } else if (gameMode == EditGame || shiftKey) {
13341 AdjustClock(which, -1);
13342 } else if (gameMode == IcsPlayingWhite ||
13343 gameMode == MachinePlaysBlack) {
13346 } else { // white clock
13347 if (gameMode == EditPosition || gameMode == IcsExamining) {
13348 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13349 SetWhiteToPlayEvent();
13350 } else if (gameMode == EditGame || shiftKey) {
13351 AdjustClock(which, -1);
13352 } else if (gameMode == IcsPlayingBlack ||
13353 gameMode == MachinePlaysWhite) {
13362 /* Offer draw or accept pending draw offer from opponent */
13364 if (appData.icsActive) {
13365 /* Note: tournament rules require draw offers to be
13366 made after you make your move but before you punch
13367 your clock. Currently ICS doesn't let you do that;
13368 instead, you immediately punch your clock after making
13369 a move, but you can offer a draw at any time. */
13371 SendToICS(ics_prefix);
13372 SendToICS("draw\n");
13373 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13374 } else if (cmailMsgLoaded) {
13375 if (currentMove == cmailOldMove &&
13376 commentList[cmailOldMove] != NULL &&
13377 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13378 "Black offers a draw" : "White offers a draw")) {
13379 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13380 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13381 } else if (currentMove == cmailOldMove + 1) {
13382 char *offer = WhiteOnMove(cmailOldMove) ?
13383 "White offers a draw" : "Black offers a draw";
13384 AppendComment(currentMove, offer, TRUE);
13385 DisplayComment(currentMove - 1, offer);
13386 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13388 DisplayError(_("You must make your move before offering a draw"), 0);
13389 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13391 } else if (first.offeredDraw) {
13392 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13394 if (first.sendDrawOffers) {
13395 SendToProgram("draw\n", &first);
13396 userOfferedDraw = TRUE;
13404 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13406 if (appData.icsActive) {
13407 SendToICS(ics_prefix);
13408 SendToICS("adjourn\n");
13410 /* Currently GNU Chess doesn't offer or accept Adjourns */
13418 /* Offer Abort or accept pending Abort offer from opponent */
13420 if (appData.icsActive) {
13421 SendToICS(ics_prefix);
13422 SendToICS("abort\n");
13424 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13431 /* Resign. You can do this even if it's not your turn. */
13433 if (appData.icsActive) {
13434 SendToICS(ics_prefix);
13435 SendToICS("resign\n");
13437 switch (gameMode) {
13438 case MachinePlaysWhite:
13439 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13441 case MachinePlaysBlack:
13442 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13445 if (cmailMsgLoaded) {
13447 if (WhiteOnMove(cmailOldMove)) {
13448 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13450 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13452 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13463 StopObservingEvent()
13465 /* Stop observing current games */
13466 SendToICS(ics_prefix);
13467 SendToICS("unobserve\n");
13471 StopExaminingEvent()
13473 /* Stop observing current game */
13474 SendToICS(ics_prefix);
13475 SendToICS("unexamine\n");
13479 ForwardInner(target)
13484 if (appData.debugMode)
13485 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13486 target, currentMove, forwardMostMove);
13488 if (gameMode == EditPosition)
13491 if (gameMode == PlayFromGameFile && !pausing)
13494 if (gameMode == IcsExamining && pausing)
13495 limit = pauseExamForwardMostMove;
13497 limit = forwardMostMove;
13499 if (target > limit) target = limit;
13501 if (target > 0 && moveList[target - 1][0]) {
13502 int fromX, fromY, toX, toY;
13503 toX = moveList[target - 1][2] - AAA;
13504 toY = moveList[target - 1][3] - ONE;
13505 if (moveList[target - 1][1] == '@') {
13506 if (appData.highlightLastMove) {
13507 SetHighlights(-1, -1, toX, toY);
13510 fromX = moveList[target - 1][0] - AAA;
13511 fromY = moveList[target - 1][1] - ONE;
13512 if (target == currentMove + 1) {
13513 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13515 if (appData.highlightLastMove) {
13516 SetHighlights(fromX, fromY, toX, toY);
13520 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13521 gameMode == Training || gameMode == PlayFromGameFile ||
13522 gameMode == AnalyzeFile) {
13523 while (currentMove < target) {
13524 SendMoveToProgram(currentMove++, &first);
13527 currentMove = target;
13530 if (gameMode == EditGame || gameMode == EndOfGame) {
13531 whiteTimeRemaining = timeRemaining[0][currentMove];
13532 blackTimeRemaining = timeRemaining[1][currentMove];
13534 DisplayBothClocks();
13535 DisplayMove(currentMove - 1);
13536 DrawPosition(FALSE, boards[currentMove]);
13537 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13538 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13539 DisplayComment(currentMove - 1, commentList[currentMove]);
13541 DisplayBook(currentMove);
13548 if (gameMode == IcsExamining && !pausing) {
13549 SendToICS(ics_prefix);
13550 SendToICS("forward\n");
13552 ForwardInner(currentMove + 1);
13559 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13560 /* to optimze, we temporarily turn off analysis mode while we feed
13561 * the remaining moves to the engine. Otherwise we get analysis output
13564 if (first.analysisSupport) {
13565 SendToProgram("exit\nforce\n", &first);
13566 first.analyzing = FALSE;
13570 if (gameMode == IcsExamining && !pausing) {
13571 SendToICS(ics_prefix);
13572 SendToICS("forward 999999\n");
13574 ForwardInner(forwardMostMove);
13577 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13578 /* we have fed all the moves, so reactivate analysis mode */
13579 SendToProgram("analyze\n", &first);
13580 first.analyzing = TRUE;
13581 /*first.maybeThinking = TRUE;*/
13582 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13587 BackwardInner(target)
13590 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13592 if (appData.debugMode)
13593 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13594 target, currentMove, forwardMostMove);
13596 if (gameMode == EditPosition) return;
13597 if (currentMove <= backwardMostMove) {
13599 DrawPosition(full_redraw, boards[currentMove]);
13602 if (gameMode == PlayFromGameFile && !pausing)
13605 if (moveList[target][0]) {
13606 int fromX, fromY, toX, toY;
13607 toX = moveList[target][2] - AAA;
13608 toY = moveList[target][3] - ONE;
13609 if (moveList[target][1] == '@') {
13610 if (appData.highlightLastMove) {
13611 SetHighlights(-1, -1, toX, toY);
13614 fromX = moveList[target][0] - AAA;
13615 fromY = moveList[target][1] - ONE;
13616 if (target == currentMove - 1) {
13617 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13619 if (appData.highlightLastMove) {
13620 SetHighlights(fromX, fromY, toX, toY);
13624 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13625 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13626 while (currentMove > target) {
13627 SendToProgram("undo\n", &first);
13631 currentMove = target;
13634 if (gameMode == EditGame || gameMode == EndOfGame) {
13635 whiteTimeRemaining = timeRemaining[0][currentMove];
13636 blackTimeRemaining = timeRemaining[1][currentMove];
13638 DisplayBothClocks();
13639 DisplayMove(currentMove - 1);
13640 DrawPosition(full_redraw, boards[currentMove]);
13641 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13642 // [HGM] PV info: routine tests if comment empty
13643 DisplayComment(currentMove - 1, commentList[currentMove]);
13644 DisplayBook(currentMove);
13650 if (gameMode == IcsExamining && !pausing) {
13651 SendToICS(ics_prefix);
13652 SendToICS("backward\n");
13654 BackwardInner(currentMove - 1);
13661 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13662 /* to optimize, we temporarily turn off analysis mode while we undo
13663 * all the moves. Otherwise we get analysis output after each undo.
13665 if (first.analysisSupport) {
13666 SendToProgram("exit\nforce\n", &first);
13667 first.analyzing = FALSE;
13671 if (gameMode == IcsExamining && !pausing) {
13672 SendToICS(ics_prefix);
13673 SendToICS("backward 999999\n");
13675 BackwardInner(backwardMostMove);
13678 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13679 /* we have fed all the moves, so reactivate analysis mode */
13680 SendToProgram("analyze\n", &first);
13681 first.analyzing = TRUE;
13682 /*first.maybeThinking = TRUE;*/
13683 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13690 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13691 if (to >= forwardMostMove) to = forwardMostMove;
13692 if (to <= backwardMostMove) to = backwardMostMove;
13693 if (to < currentMove) {
13701 RevertEvent(Boolean annotate)
13703 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13706 if (gameMode != IcsExamining) {
13707 DisplayError(_("You are not examining a game"), 0);
13711 DisplayError(_("You can't revert while pausing"), 0);
13714 SendToICS(ics_prefix);
13715 SendToICS("revert\n");
13721 switch (gameMode) {
13722 case MachinePlaysWhite:
13723 case MachinePlaysBlack:
13724 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13725 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13728 if (forwardMostMove < 2) return;
13729 currentMove = forwardMostMove = forwardMostMove - 2;
13730 whiteTimeRemaining = timeRemaining[0][currentMove];
13731 blackTimeRemaining = timeRemaining[1][currentMove];
13732 DisplayBothClocks();
13733 DisplayMove(currentMove - 1);
13734 ClearHighlights();/*!! could figure this out*/
13735 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13736 SendToProgram("remove\n", &first);
13737 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13740 case BeginningOfGame:
13744 case IcsPlayingWhite:
13745 case IcsPlayingBlack:
13746 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13747 SendToICS(ics_prefix);
13748 SendToICS("takeback 2\n");
13750 SendToICS(ics_prefix);
13751 SendToICS("takeback 1\n");
13760 ChessProgramState *cps;
13762 switch (gameMode) {
13763 case MachinePlaysWhite:
13764 if (!WhiteOnMove(forwardMostMove)) {
13765 DisplayError(_("It is your turn"), 0);
13770 case MachinePlaysBlack:
13771 if (WhiteOnMove(forwardMostMove)) {
13772 DisplayError(_("It is your turn"), 0);
13777 case TwoMachinesPlay:
13778 if (WhiteOnMove(forwardMostMove) ==
13779 (first.twoMachinesColor[0] == 'w')) {
13785 case BeginningOfGame:
13789 SendToProgram("?\n", cps);
13793 TruncateGameEvent()
13796 if (gameMode != EditGame) return;
13803 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13804 if (forwardMostMove > currentMove) {
13805 if (gameInfo.resultDetails != NULL) {
13806 free(gameInfo.resultDetails);
13807 gameInfo.resultDetails = NULL;
13808 gameInfo.result = GameUnfinished;
13810 forwardMostMove = currentMove;
13811 HistorySet(parseList, backwardMostMove, forwardMostMove,
13819 if (appData.noChessProgram) return;
13820 switch (gameMode) {
13821 case MachinePlaysWhite:
13822 if (WhiteOnMove(forwardMostMove)) {
13823 DisplayError(_("Wait until your turn"), 0);
13827 case BeginningOfGame:
13828 case MachinePlaysBlack:
13829 if (!WhiteOnMove(forwardMostMove)) {
13830 DisplayError(_("Wait until your turn"), 0);
13835 DisplayError(_("No hint available"), 0);
13838 SendToProgram("hint\n", &first);
13839 hintRequested = TRUE;
13845 if (appData.noChessProgram) return;
13846 switch (gameMode) {
13847 case MachinePlaysWhite:
13848 if (WhiteOnMove(forwardMostMove)) {
13849 DisplayError(_("Wait until your turn"), 0);
13853 case BeginningOfGame:
13854 case MachinePlaysBlack:
13855 if (!WhiteOnMove(forwardMostMove)) {
13856 DisplayError(_("Wait until your turn"), 0);
13861 EditPositionDone(TRUE);
13863 case TwoMachinesPlay:
13868 SendToProgram("bk\n", &first);
13869 bookOutput[0] = NULLCHAR;
13870 bookRequested = TRUE;
13876 char *tags = PGNTags(&gameInfo);
13877 TagsPopUp(tags, CmailMsg());
13881 /* end button procedures */
13884 PrintPosition(fp, move)
13890 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13891 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13892 char c = PieceToChar(boards[move][i][j]);
13893 fputc(c == 'x' ? '.' : c, fp);
13894 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13897 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13898 fprintf(fp, "white to play\n");
13900 fprintf(fp, "black to play\n");
13907 if (gameInfo.white != NULL) {
13908 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13914 /* Find last component of program's own name, using some heuristics */
13916 TidyProgramName(prog, host, buf)
13917 char *prog, *host, buf[MSG_SIZ];
13920 int local = (strcmp(host, "localhost") == 0);
13921 while (!local && (p = strchr(prog, ';')) != NULL) {
13923 while (*p == ' ') p++;
13926 if (*prog == '"' || *prog == '\'') {
13927 q = strchr(prog + 1, *prog);
13929 q = strchr(prog, ' ');
13931 if (q == NULL) q = prog + strlen(prog);
13933 while (p >= prog && *p != '/' && *p != '\\') p--;
13935 if(p == prog && *p == '"') p++;
13936 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13937 memcpy(buf, p, q - p);
13938 buf[q - p] = NULLCHAR;
13946 TimeControlTagValue()
13949 if (!appData.clockMode) {
13950 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13951 } else if (movesPerSession > 0) {
13952 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13953 } else if (timeIncrement == 0) {
13954 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13956 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13958 return StrSave(buf);
13964 /* This routine is used only for certain modes */
13965 VariantClass v = gameInfo.variant;
13966 ChessMove r = GameUnfinished;
13969 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13970 r = gameInfo.result;
13971 p = gameInfo.resultDetails;
13972 gameInfo.resultDetails = NULL;
13974 ClearGameInfo(&gameInfo);
13975 gameInfo.variant = v;
13977 switch (gameMode) {
13978 case MachinePlaysWhite:
13979 gameInfo.event = StrSave( appData.pgnEventHeader );
13980 gameInfo.site = StrSave(HostName());
13981 gameInfo.date = PGNDate();
13982 gameInfo.round = StrSave("-");
13983 gameInfo.white = StrSave(first.tidy);
13984 gameInfo.black = StrSave(UserName());
13985 gameInfo.timeControl = TimeControlTagValue();
13988 case MachinePlaysBlack:
13989 gameInfo.event = StrSave( appData.pgnEventHeader );
13990 gameInfo.site = StrSave(HostName());
13991 gameInfo.date = PGNDate();
13992 gameInfo.round = StrSave("-");
13993 gameInfo.white = StrSave(UserName());
13994 gameInfo.black = StrSave(first.tidy);
13995 gameInfo.timeControl = TimeControlTagValue();
13998 case TwoMachinesPlay:
13999 gameInfo.event = StrSave( appData.pgnEventHeader );
14000 gameInfo.site = StrSave(HostName());
14001 gameInfo.date = PGNDate();
14004 snprintf(buf, MSG_SIZ, "%d", roundNr);
14005 gameInfo.round = StrSave(buf);
14007 gameInfo.round = StrSave("-");
14009 if (first.twoMachinesColor[0] == 'w') {
14010 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14011 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14013 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14014 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14016 gameInfo.timeControl = TimeControlTagValue();
14020 gameInfo.event = StrSave("Edited game");
14021 gameInfo.site = StrSave(HostName());
14022 gameInfo.date = PGNDate();
14023 gameInfo.round = StrSave("-");
14024 gameInfo.white = StrSave("-");
14025 gameInfo.black = StrSave("-");
14026 gameInfo.result = r;
14027 gameInfo.resultDetails = p;
14031 gameInfo.event = StrSave("Edited position");
14032 gameInfo.site = StrSave(HostName());
14033 gameInfo.date = PGNDate();
14034 gameInfo.round = StrSave("-");
14035 gameInfo.white = StrSave("-");
14036 gameInfo.black = StrSave("-");
14039 case IcsPlayingWhite:
14040 case IcsPlayingBlack:
14045 case PlayFromGameFile:
14046 gameInfo.event = StrSave("Game from non-PGN file");
14047 gameInfo.site = StrSave(HostName());
14048 gameInfo.date = PGNDate();
14049 gameInfo.round = StrSave("-");
14050 gameInfo.white = StrSave("?");
14051 gameInfo.black = StrSave("?");
14060 ReplaceComment(index, text)
14068 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14069 pvInfoList[index-1].depth == len &&
14070 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14071 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14072 while (*text == '\n') text++;
14073 len = strlen(text);
14074 while (len > 0 && text[len - 1] == '\n') len--;
14076 if (commentList[index] != NULL)
14077 free(commentList[index]);
14080 commentList[index] = NULL;
14083 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14084 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14085 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14086 commentList[index] = (char *) malloc(len + 2);
14087 strncpy(commentList[index], text, len);
14088 commentList[index][len] = '\n';
14089 commentList[index][len + 1] = NULLCHAR;
14091 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14093 commentList[index] = (char *) malloc(len + 7);
14094 safeStrCpy(commentList[index], "{\n", 3);
14095 safeStrCpy(commentList[index]+2, text, len+1);
14096 commentList[index][len+2] = NULLCHAR;
14097 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14098 strcat(commentList[index], "\n}\n");
14112 if (ch == '\r') continue;
14114 } while (ch != '\0');
14118 AppendComment(index, text, addBraces)
14121 Boolean addBraces; // [HGM] braces: tells if we should add {}
14126 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14127 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14130 while (*text == '\n') text++;
14131 len = strlen(text);
14132 while (len > 0 && text[len - 1] == '\n') len--;
14134 if (len == 0) return;
14136 if (commentList[index] != NULL) {
14137 old = commentList[index];
14138 oldlen = strlen(old);
14139 while(commentList[index][oldlen-1] == '\n')
14140 commentList[index][--oldlen] = NULLCHAR;
14141 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14142 safeStrCpy(commentList[index], old, oldlen + len + 6);
14144 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14145 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14146 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14147 while (*text == '\n') { text++; len--; }
14148 commentList[index][--oldlen] = NULLCHAR;
14150 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14151 else strcat(commentList[index], "\n");
14152 strcat(commentList[index], text);
14153 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14154 else strcat(commentList[index], "\n");
14156 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14158 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14159 else commentList[index][0] = NULLCHAR;
14160 strcat(commentList[index], text);
14161 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14162 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14166 static char * FindStr( char * text, char * sub_text )
14168 char * result = strstr( text, sub_text );
14170 if( result != NULL ) {
14171 result += strlen( sub_text );
14177 /* [AS] Try to extract PV info from PGN comment */
14178 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14179 char *GetInfoFromComment( int index, char * text )
14181 char * sep = text, *p;
14183 if( text != NULL && index > 0 ) {
14186 int time = -1, sec = 0, deci;
14187 char * s_eval = FindStr( text, "[%eval " );
14188 char * s_emt = FindStr( text, "[%emt " );
14190 if( s_eval != NULL || s_emt != NULL ) {
14194 if( s_eval != NULL ) {
14195 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14199 if( delim != ']' ) {
14204 if( s_emt != NULL ) {
14209 /* We expect something like: [+|-]nnn.nn/dd */
14212 if(*text != '{') return text; // [HGM] braces: must be normal comment
14214 sep = strchr( text, '/' );
14215 if( sep == NULL || sep < (text+4) ) {
14220 if(p[1] == '(') { // comment starts with PV
14221 p = strchr(p, ')'); // locate end of PV
14222 if(p == NULL || sep < p+5) return text;
14223 // at this point we have something like "{(.*) +0.23/6 ..."
14224 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14225 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14226 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14228 time = -1; sec = -1; deci = -1;
14229 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14230 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14231 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14232 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14236 if( score_lo < 0 || score_lo >= 100 ) {
14240 if(sec >= 0) time = 600*time + 10*sec; else
14241 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14243 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14245 /* [HGM] PV time: now locate end of PV info */
14246 while( *++sep >= '0' && *sep <= '9'); // strip depth
14248 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14250 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14252 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14253 while(*sep == ' ') sep++;
14264 pvInfoList[index-1].depth = depth;
14265 pvInfoList[index-1].score = score;
14266 pvInfoList[index-1].time = 10*time; // centi-sec
14267 if(*sep == '}') *sep = 0; else *--sep = '{';
14268 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14274 SendToProgram(message, cps)
14276 ChessProgramState *cps;
14278 int count, outCount, error;
14281 if (cps->pr == NULL) return;
14284 if (appData.debugMode) {
14287 fprintf(debugFP, "%ld >%-6s: %s",
14288 SubtractTimeMarks(&now, &programStartTime),
14289 cps->which, message);
14292 count = strlen(message);
14293 outCount = OutputToProcess(cps->pr, message, count, &error);
14294 if (outCount < count && !exiting
14295 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14296 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14297 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14298 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14299 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14300 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14301 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14302 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14304 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14305 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14306 gameInfo.result = res;
14308 gameInfo.resultDetails = StrSave(buf);
14310 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14311 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14316 ReceiveFromProgram(isr, closure, message, count, error)
14317 InputSourceRef isr;
14325 ChessProgramState *cps = (ChessProgramState *)closure;
14327 if (isr != cps->isr) return; /* Killed intentionally */
14330 RemoveInputSource(cps->isr);
14331 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14332 _(cps->which), cps->program);
14333 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14334 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14335 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14336 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14337 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14339 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14340 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14341 gameInfo.result = res;
14343 gameInfo.resultDetails = StrSave(buf);
14345 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14346 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14348 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14349 _(cps->which), cps->program);
14350 RemoveInputSource(cps->isr);
14352 /* [AS] Program is misbehaving badly... kill it */
14353 if( count == -2 ) {
14354 DestroyChildProcess( cps->pr, 9 );
14358 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14363 if ((end_str = strchr(message, '\r')) != NULL)
14364 *end_str = NULLCHAR;
14365 if ((end_str = strchr(message, '\n')) != NULL)
14366 *end_str = NULLCHAR;
14368 if (appData.debugMode) {
14369 TimeMark now; int print = 1;
14370 char *quote = ""; char c; int i;
14372 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14373 char start = message[0];
14374 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14375 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14376 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14377 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14378 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14379 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14380 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14381 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14382 sscanf(message, "hint: %c", &c)!=1 &&
14383 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14384 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14385 print = (appData.engineComments >= 2);
14387 message[0] = start; // restore original message
14391 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14392 SubtractTimeMarks(&now, &programStartTime), cps->which,
14398 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14399 if (appData.icsEngineAnalyze) {
14400 if (strstr(message, "whisper") != NULL ||
14401 strstr(message, "kibitz") != NULL ||
14402 strstr(message, "tellics") != NULL) return;
14405 HandleMachineMove(message, cps);
14410 SendTimeControl(cps, mps, tc, inc, sd, st)
14411 ChessProgramState *cps;
14412 int mps, inc, sd, st;
14418 if( timeControl_2 > 0 ) {
14419 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14420 tc = timeControl_2;
14423 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14424 inc /= cps->timeOdds;
14425 st /= cps->timeOdds;
14427 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14430 /* Set exact time per move, normally using st command */
14431 if (cps->stKludge) {
14432 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14434 if (seconds == 0) {
14435 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14437 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14440 snprintf(buf, MSG_SIZ, "st %d\n", st);
14443 /* Set conventional or incremental time control, using level command */
14444 if (seconds == 0) {
14445 /* Note old gnuchess bug -- minutes:seconds used to not work.
14446 Fixed in later versions, but still avoid :seconds
14447 when seconds is 0. */
14448 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14450 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14451 seconds, inc/1000.);
14454 SendToProgram(buf, cps);
14456 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14457 /* Orthogonally, limit search to given depth */
14459 if (cps->sdKludge) {
14460 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14462 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14464 SendToProgram(buf, cps);
14467 if(cps->nps >= 0) { /* [HGM] nps */
14468 if(cps->supportsNPS == FALSE)
14469 cps->nps = -1; // don't use if engine explicitly says not supported!
14471 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14472 SendToProgram(buf, cps);
14477 ChessProgramState *WhitePlayer()
14478 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14480 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14481 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14487 SendTimeRemaining(cps, machineWhite)
14488 ChessProgramState *cps;
14489 int /*boolean*/ machineWhite;
14491 char message[MSG_SIZ];
14494 /* Note: this routine must be called when the clocks are stopped
14495 or when they have *just* been set or switched; otherwise
14496 it will be off by the time since the current tick started.
14498 if (machineWhite) {
14499 time = whiteTimeRemaining / 10;
14500 otime = blackTimeRemaining / 10;
14502 time = blackTimeRemaining / 10;
14503 otime = whiteTimeRemaining / 10;
14505 /* [HGM] translate opponent's time by time-odds factor */
14506 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14507 if (appData.debugMode) {
14508 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14511 if (time <= 0) time = 1;
14512 if (otime <= 0) otime = 1;
14514 snprintf(message, MSG_SIZ, "time %ld\n", time);
14515 SendToProgram(message, cps);
14517 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14518 SendToProgram(message, cps);
14522 BoolFeature(p, name, loc, cps)
14526 ChessProgramState *cps;
14529 int len = strlen(name);
14532 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14534 sscanf(*p, "%d", &val);
14536 while (**p && **p != ' ')
14538 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14539 SendToProgram(buf, cps);
14546 IntFeature(p, name, loc, cps)
14550 ChessProgramState *cps;
14553 int len = strlen(name);
14554 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14556 sscanf(*p, "%d", loc);
14557 while (**p && **p != ' ') (*p)++;
14558 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14559 SendToProgram(buf, cps);
14566 StringFeature(p, name, loc, cps)
14570 ChessProgramState *cps;
14573 int len = strlen(name);
14574 if (strncmp((*p), name, len) == 0
14575 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14577 sscanf(*p, "%[^\"]", loc);
14578 while (**p && **p != '\"') (*p)++;
14579 if (**p == '\"') (*p)++;
14580 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14581 SendToProgram(buf, cps);
14588 ParseOption(Option *opt, ChessProgramState *cps)
14589 // [HGM] options: process the string that defines an engine option, and determine
14590 // name, type, default value, and allowed value range
14592 char *p, *q, buf[MSG_SIZ];
14593 int n, min = (-1)<<31, max = 1<<31, def;
14595 if(p = strstr(opt->name, " -spin ")) {
14596 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14597 if(max < min) max = min; // enforce consistency
14598 if(def < min) def = min;
14599 if(def > max) def = max;
14604 } else if((p = strstr(opt->name, " -slider "))) {
14605 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14606 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14607 if(max < min) max = min; // enforce consistency
14608 if(def < min) def = min;
14609 if(def > max) def = max;
14613 opt->type = Spin; // Slider;
14614 } else if((p = strstr(opt->name, " -string "))) {
14615 opt->textValue = p+9;
14616 opt->type = TextBox;
14617 } else if((p = strstr(opt->name, " -file "))) {
14618 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14619 opt->textValue = p+7;
14620 opt->type = FileName; // FileName;
14621 } else if((p = strstr(opt->name, " -path "))) {
14622 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14623 opt->textValue = p+7;
14624 opt->type = PathName; // PathName;
14625 } else if(p = strstr(opt->name, " -check ")) {
14626 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14627 opt->value = (def != 0);
14628 opt->type = CheckBox;
14629 } else if(p = strstr(opt->name, " -combo ")) {
14630 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14631 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14632 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14633 opt->value = n = 0;
14634 while(q = StrStr(q, " /// ")) {
14635 n++; *q = 0; // count choices, and null-terminate each of them
14637 if(*q == '*') { // remember default, which is marked with * prefix
14641 cps->comboList[cps->comboCnt++] = q;
14643 cps->comboList[cps->comboCnt++] = NULL;
14645 opt->type = ComboBox;
14646 } else if(p = strstr(opt->name, " -button")) {
14647 opt->type = Button;
14648 } else if(p = strstr(opt->name, " -save")) {
14649 opt->type = SaveButton;
14650 } else return FALSE;
14651 *p = 0; // terminate option name
14652 // now look if the command-line options define a setting for this engine option.
14653 if(cps->optionSettings && cps->optionSettings[0])
14654 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14655 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14656 snprintf(buf, MSG_SIZ, "option %s", p);
14657 if(p = strstr(buf, ",")) *p = 0;
14658 if(q = strchr(buf, '=')) switch(opt->type) {
14660 for(n=0; n<opt->max; n++)
14661 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14664 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14668 opt->value = atoi(q+1);
14673 SendToProgram(buf, cps);
14679 FeatureDone(cps, val)
14680 ChessProgramState* cps;
14683 DelayedEventCallback cb = GetDelayedEvent();
14684 if ((cb == InitBackEnd3 && cps == &first) ||
14685 (cb == SettingsMenuIfReady && cps == &second) ||
14686 (cb == LoadEngine) ||
14687 (cb == TwoMachinesEventIfReady)) {
14688 CancelDelayedEvent();
14689 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14691 cps->initDone = val;
14694 /* Parse feature command from engine */
14696 ParseFeatures(args, cps)
14698 ChessProgramState *cps;
14706 while (*p == ' ') p++;
14707 if (*p == NULLCHAR) return;
14709 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14710 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14711 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14712 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14713 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14714 if (BoolFeature(&p, "reuse", &val, cps)) {
14715 /* Engine can disable reuse, but can't enable it if user said no */
14716 if (!val) cps->reuse = FALSE;
14719 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14720 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14721 if (gameMode == TwoMachinesPlay) {
14722 DisplayTwoMachinesTitle();
14728 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14729 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14730 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14731 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14732 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14733 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14734 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14735 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14736 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14737 if (IntFeature(&p, "done", &val, cps)) {
14738 FeatureDone(cps, val);
14741 /* Added by Tord: */
14742 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14743 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14744 /* End of additions by Tord */
14746 /* [HGM] added features: */
14747 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14748 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14749 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14750 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14751 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14752 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14753 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14754 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14755 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14756 SendToProgram(buf, cps);
14759 if(cps->nrOptions >= MAX_OPTIONS) {
14761 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14762 DisplayError(buf, 0);
14766 /* End of additions by HGM */
14768 /* unknown feature: complain and skip */
14770 while (*q && *q != '=') q++;
14771 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14772 SendToProgram(buf, cps);
14778 while (*p && *p != '\"') p++;
14779 if (*p == '\"') p++;
14781 while (*p && *p != ' ') p++;
14789 PeriodicUpdatesEvent(newState)
14792 if (newState == appData.periodicUpdates)
14795 appData.periodicUpdates=newState;
14797 /* Display type changes, so update it now */
14798 // DisplayAnalysis();
14800 /* Get the ball rolling again... */
14802 AnalysisPeriodicEvent(1);
14803 StartAnalysisClock();
14808 PonderNextMoveEvent(newState)
14811 if (newState == appData.ponderNextMove) return;
14812 if (gameMode == EditPosition) EditPositionDone(TRUE);
14814 SendToProgram("hard\n", &first);
14815 if (gameMode == TwoMachinesPlay) {
14816 SendToProgram("hard\n", &second);
14819 SendToProgram("easy\n", &first);
14820 thinkOutput[0] = NULLCHAR;
14821 if (gameMode == TwoMachinesPlay) {
14822 SendToProgram("easy\n", &second);
14825 appData.ponderNextMove = newState;
14829 NewSettingEvent(option, feature, command, value)
14831 int option, value, *feature;
14835 if (gameMode == EditPosition) EditPositionDone(TRUE);
14836 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14837 if(feature == NULL || *feature) SendToProgram(buf, &first);
14838 if (gameMode == TwoMachinesPlay) {
14839 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14844 ShowThinkingEvent()
14845 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14847 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14848 int newState = appData.showThinking
14849 // [HGM] thinking: other features now need thinking output as well
14850 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14852 if (oldState == newState) return;
14853 oldState = newState;
14854 if (gameMode == EditPosition) EditPositionDone(TRUE);
14856 SendToProgram("post\n", &first);
14857 if (gameMode == TwoMachinesPlay) {
14858 SendToProgram("post\n", &second);
14861 SendToProgram("nopost\n", &first);
14862 thinkOutput[0] = NULLCHAR;
14863 if (gameMode == TwoMachinesPlay) {
14864 SendToProgram("nopost\n", &second);
14867 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14871 AskQuestionEvent(title, question, replyPrefix, which)
14872 char *title; char *question; char *replyPrefix; char *which;
14874 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14875 if (pr == NoProc) return;
14876 AskQuestion(title, question, replyPrefix, pr);
14880 TypeInEvent(char firstChar)
14882 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
\r
14883 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
\r
14884 gameMode == AnalyzeMode || gameMode == EditGame ||
\r
14885 gameMode == EditPosition || gameMode == IcsExamining ||
\r
14886 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
\r
14887 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
\r
14888 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
\r
14889 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
\r
14890 gameMode == Training) PopUpMoveDialog(firstChar);
14894 TypeInDoneEvent(char *move)
14897 int n, fromX, fromY, toX, toY;
14899 ChessMove moveType;
\r
14902 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
\r
14903 EditPositionPasteFEN(move);
\r
14906 // [HGM] movenum: allow move number to be typed in any mode
\r
14907 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
\r
14908 ToNrEvent(2*n-1);
\r
14912 if (gameMode != EditGame && currentMove != forwardMostMove &&
\r
14913 gameMode != Training) {
\r
14914 DisplayMoveError(_("Displayed move is not current"));
\r
14916 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
14917 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
\r
14918 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
\r
14919 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
14920 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
\r
14921 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
\r
14923 DisplayMoveError(_("Could not parse move"));
\r
14929 DisplayMove(moveNumber)
14932 char message[MSG_SIZ];
14934 char cpThinkOutput[MSG_SIZ];
14936 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14938 if (moveNumber == forwardMostMove - 1 ||
14939 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14941 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14943 if (strchr(cpThinkOutput, '\n')) {
14944 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14947 *cpThinkOutput = NULLCHAR;
14950 /* [AS] Hide thinking from human user */
14951 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14952 *cpThinkOutput = NULLCHAR;
14953 if( thinkOutput[0] != NULLCHAR ) {
14956 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14957 cpThinkOutput[i] = '.';
14959 cpThinkOutput[i] = NULLCHAR;
14960 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14964 if (moveNumber == forwardMostMove - 1 &&
14965 gameInfo.resultDetails != NULL) {
14966 if (gameInfo.resultDetails[0] == NULLCHAR) {
14967 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14969 snprintf(res, MSG_SIZ, " {%s} %s",
14970 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14976 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14977 DisplayMessage(res, cpThinkOutput);
14979 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14980 WhiteOnMove(moveNumber) ? " " : ".. ",
14981 parseList[moveNumber], res);
14982 DisplayMessage(message, cpThinkOutput);
14987 DisplayComment(moveNumber, text)
14991 char title[MSG_SIZ];
14992 char buf[8000]; // comment can be long!
14995 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14996 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14998 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14999 WhiteOnMove(moveNumber) ? " " : ".. ",
15000 parseList[moveNumber]);
15002 // [HGM] PV info: display PV info together with (or as) comment
15003 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
15004 if(text == NULL) text = "";
15005 score = pvInfoList[moveNumber].score;
15006 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
15007 depth, (pvInfoList[moveNumber].time+50)/100, text);
15010 if (text != NULL && (appData.autoDisplayComment || commentUp))
15011 CommentPopUp(title, text);
15014 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15015 * might be busy thinking or pondering. It can be omitted if your
15016 * gnuchess is configured to stop thinking immediately on any user
15017 * input. However, that gnuchess feature depends on the FIONREAD
15018 * ioctl, which does not work properly on some flavors of Unix.
15022 ChessProgramState *cps;
15025 if (!cps->useSigint) return;
15026 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15027 switch (gameMode) {
15028 case MachinePlaysWhite:
15029 case MachinePlaysBlack:
15030 case TwoMachinesPlay:
15031 case IcsPlayingWhite:
15032 case IcsPlayingBlack:
15035 /* Skip if we know it isn't thinking */
15036 if (!cps->maybeThinking) return;
15037 if (appData.debugMode)
15038 fprintf(debugFP, "Interrupting %s\n", cps->which);
15039 InterruptChildProcess(cps->pr);
15040 cps->maybeThinking = FALSE;
15045 #endif /*ATTENTION*/
15051 if (whiteTimeRemaining <= 0) {
15054 if (appData.icsActive) {
15055 if (appData.autoCallFlag &&
15056 gameMode == IcsPlayingBlack && !blackFlag) {
15057 SendToICS(ics_prefix);
15058 SendToICS("flag\n");
15062 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15064 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15065 if (appData.autoCallFlag) {
15066 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15073 if (blackTimeRemaining <= 0) {
15076 if (appData.icsActive) {
15077 if (appData.autoCallFlag &&
15078 gameMode == IcsPlayingWhite && !whiteFlag) {
15079 SendToICS(ics_prefix);
15080 SendToICS("flag\n");
15084 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15086 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15087 if (appData.autoCallFlag) {
15088 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15101 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15102 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15105 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15107 if ( !WhiteOnMove(forwardMostMove) ) {
15108 /* White made time control */
15109 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15110 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15111 /* [HGM] time odds: correct new time quota for time odds! */
15112 / WhitePlayer()->timeOdds;
15113 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15115 lastBlack -= blackTimeRemaining;
15116 /* Black made time control */
15117 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15118 / WhitePlayer()->other->timeOdds;
15119 lastWhite = whiteTimeRemaining;
15124 DisplayBothClocks()
15126 int wom = gameMode == EditPosition ?
15127 !blackPlaysFirst : WhiteOnMove(currentMove);
15128 DisplayWhiteClock(whiteTimeRemaining, wom);
15129 DisplayBlackClock(blackTimeRemaining, !wom);
15133 /* Timekeeping seems to be a portability nightmare. I think everyone
15134 has ftime(), but I'm really not sure, so I'm including some ifdefs
15135 to use other calls if you don't. Clocks will be less accurate if
15136 you have neither ftime nor gettimeofday.
15139 /* VS 2008 requires the #include outside of the function */
15140 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15141 #include <sys/timeb.h>
15144 /* Get the current time as a TimeMark */
15149 #if HAVE_GETTIMEOFDAY
15151 struct timeval timeVal;
15152 struct timezone timeZone;
15154 gettimeofday(&timeVal, &timeZone);
15155 tm->sec = (long) timeVal.tv_sec;
15156 tm->ms = (int) (timeVal.tv_usec / 1000L);
15158 #else /*!HAVE_GETTIMEOFDAY*/
15161 // include <sys/timeb.h> / moved to just above start of function
15162 struct timeb timeB;
15165 tm->sec = (long) timeB.time;
15166 tm->ms = (int) timeB.millitm;
15168 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15169 tm->sec = (long) time(NULL);
15175 /* Return the difference in milliseconds between two
15176 time marks. We assume the difference will fit in a long!
15179 SubtractTimeMarks(tm2, tm1)
15180 TimeMark *tm2, *tm1;
15182 return 1000L*(tm2->sec - tm1->sec) +
15183 (long) (tm2->ms - tm1->ms);
15188 * Code to manage the game clocks.
15190 * In tournament play, black starts the clock and then white makes a move.
15191 * We give the human user a slight advantage if he is playing white---the
15192 * clocks don't run until he makes his first move, so it takes zero time.
15193 * Also, we don't account for network lag, so we could get out of sync
15194 * with GNU Chess's clock -- but then, referees are always right.
15197 static TimeMark tickStartTM;
15198 static long intendedTickLength;
15201 NextTickLength(timeRemaining)
15202 long timeRemaining;
15204 long nominalTickLength, nextTickLength;
15206 if (timeRemaining > 0L && timeRemaining <= 10000L)
15207 nominalTickLength = 100L;
15209 nominalTickLength = 1000L;
15210 nextTickLength = timeRemaining % nominalTickLength;
15211 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15213 return nextTickLength;
15216 /* Adjust clock one minute up or down */
15218 AdjustClock(Boolean which, int dir)
15220 if(which) blackTimeRemaining += 60000*dir;
15221 else whiteTimeRemaining += 60000*dir;
15222 DisplayBothClocks();
15225 /* Stop clocks and reset to a fresh time control */
15229 (void) StopClockTimer();
15230 if (appData.icsActive) {
15231 whiteTimeRemaining = blackTimeRemaining = 0;
15232 } else if (searchTime) {
15233 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15234 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15235 } else { /* [HGM] correct new time quote for time odds */
15236 whiteTC = blackTC = fullTimeControlString;
15237 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15238 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15240 if (whiteFlag || blackFlag) {
15242 whiteFlag = blackFlag = FALSE;
15244 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15245 DisplayBothClocks();
15248 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15250 /* Decrement running clock by amount of time that has passed */
15254 long timeRemaining;
15255 long lastTickLength, fudge;
15258 if (!appData.clockMode) return;
15259 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15263 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15265 /* Fudge if we woke up a little too soon */
15266 fudge = intendedTickLength - lastTickLength;
15267 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15269 if (WhiteOnMove(forwardMostMove)) {
15270 if(whiteNPS >= 0) lastTickLength = 0;
15271 timeRemaining = whiteTimeRemaining -= lastTickLength;
15272 if(timeRemaining < 0 && !appData.icsActive) {
15273 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15274 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15275 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15276 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15279 DisplayWhiteClock(whiteTimeRemaining - fudge,
15280 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15282 if(blackNPS >= 0) lastTickLength = 0;
15283 timeRemaining = blackTimeRemaining -= lastTickLength;
15284 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15285 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15287 blackStartMove = forwardMostMove;
15288 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15291 DisplayBlackClock(blackTimeRemaining - fudge,
15292 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15294 if (CheckFlags()) return;
15297 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15298 StartClockTimer(intendedTickLength);
15300 /* if the time remaining has fallen below the alarm threshold, sound the
15301 * alarm. if the alarm has sounded and (due to a takeback or time control
15302 * with increment) the time remaining has increased to a level above the
15303 * threshold, reset the alarm so it can sound again.
15306 if (appData.icsActive && appData.icsAlarm) {
15308 /* make sure we are dealing with the user's clock */
15309 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15310 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15313 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15314 alarmSounded = FALSE;
15315 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15317 alarmSounded = TRUE;
15323 /* A player has just moved, so stop the previously running
15324 clock and (if in clock mode) start the other one.
15325 We redisplay both clocks in case we're in ICS mode, because
15326 ICS gives us an update to both clocks after every move.
15327 Note that this routine is called *after* forwardMostMove
15328 is updated, so the last fractional tick must be subtracted
15329 from the color that is *not* on move now.
15332 SwitchClocks(int newMoveNr)
15334 long lastTickLength;
15336 int flagged = FALSE;
15340 if (StopClockTimer() && appData.clockMode) {
15341 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15342 if (!WhiteOnMove(forwardMostMove)) {
15343 if(blackNPS >= 0) lastTickLength = 0;
15344 blackTimeRemaining -= lastTickLength;
15345 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15346 // if(pvInfoList[forwardMostMove].time == -1)
15347 pvInfoList[forwardMostMove].time = // use GUI time
15348 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15350 if(whiteNPS >= 0) lastTickLength = 0;
15351 whiteTimeRemaining -= lastTickLength;
15352 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15353 // if(pvInfoList[forwardMostMove].time == -1)
15354 pvInfoList[forwardMostMove].time =
15355 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15357 flagged = CheckFlags();
15359 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15360 CheckTimeControl();
15362 if (flagged || !appData.clockMode) return;
15364 switch (gameMode) {
15365 case MachinePlaysBlack:
15366 case MachinePlaysWhite:
15367 case BeginningOfGame:
15368 if (pausing) return;
15372 case PlayFromGameFile:
15380 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15381 if(WhiteOnMove(forwardMostMove))
15382 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15383 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15387 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15388 whiteTimeRemaining : blackTimeRemaining);
15389 StartClockTimer(intendedTickLength);
15393 /* Stop both clocks */
15397 long lastTickLength;
15400 if (!StopClockTimer()) return;
15401 if (!appData.clockMode) return;
15405 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15406 if (WhiteOnMove(forwardMostMove)) {
15407 if(whiteNPS >= 0) lastTickLength = 0;
15408 whiteTimeRemaining -= lastTickLength;
15409 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15411 if(blackNPS >= 0) lastTickLength = 0;
15412 blackTimeRemaining -= lastTickLength;
15413 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15418 /* Start clock of player on move. Time may have been reset, so
15419 if clock is already running, stop and restart it. */
15423 (void) StopClockTimer(); /* in case it was running already */
15424 DisplayBothClocks();
15425 if (CheckFlags()) return;
15427 if (!appData.clockMode) return;
15428 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15430 GetTimeMark(&tickStartTM);
15431 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15432 whiteTimeRemaining : blackTimeRemaining);
15434 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15435 whiteNPS = blackNPS = -1;
15436 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15437 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15438 whiteNPS = first.nps;
15439 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15440 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15441 blackNPS = first.nps;
15442 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15443 whiteNPS = second.nps;
15444 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15445 blackNPS = second.nps;
15446 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15448 StartClockTimer(intendedTickLength);
15455 long second, minute, hour, day;
15457 static char buf[32];
15459 if (ms > 0 && ms <= 9900) {
15460 /* convert milliseconds to tenths, rounding up */
15461 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15463 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15467 /* convert milliseconds to seconds, rounding up */
15468 /* use floating point to avoid strangeness of integer division
15469 with negative dividends on many machines */
15470 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15477 day = second / (60 * 60 * 24);
15478 second = second % (60 * 60 * 24);
15479 hour = second / (60 * 60);
15480 second = second % (60 * 60);
15481 minute = second / 60;
15482 second = second % 60;
15485 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15486 sign, day, hour, minute, second);
15488 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15490 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15497 * This is necessary because some C libraries aren't ANSI C compliant yet.
15500 StrStr(string, match)
15501 char *string, *match;
15505 length = strlen(match);
15507 for (i = strlen(string) - length; i >= 0; i--, string++)
15508 if (!strncmp(match, string, length))
15515 StrCaseStr(string, match)
15516 char *string, *match;
15520 length = strlen(match);
15522 for (i = strlen(string) - length; i >= 0; i--, string++) {
15523 for (j = 0; j < length; j++) {
15524 if (ToLower(match[j]) != ToLower(string[j]))
15527 if (j == length) return string;
15541 c1 = ToLower(*s1++);
15542 c2 = ToLower(*s2++);
15543 if (c1 > c2) return 1;
15544 if (c1 < c2) return -1;
15545 if (c1 == NULLCHAR) return 0;
15554 return isupper(c) ? tolower(c) : c;
15562 return islower(c) ? toupper(c) : c;
15564 #endif /* !_amigados */
15572 if ((ret = (char *) malloc(strlen(s) + 1)))
15574 safeStrCpy(ret, s, strlen(s)+1);
15580 StrSavePtr(s, savePtr)
15581 char *s, **savePtr;
15586 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15587 safeStrCpy(*savePtr, s, strlen(s)+1);
15599 clock = time((time_t *)NULL);
15600 tm = localtime(&clock);
15601 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15602 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15603 return StrSave(buf);
15608 PositionToFEN(move, overrideCastling)
15610 char *overrideCastling;
15612 int i, j, fromX, fromY, toX, toY;
15619 whiteToPlay = (gameMode == EditPosition) ?
15620 !blackPlaysFirst : (move % 2 == 0);
15623 /* Piece placement data */
15624 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15626 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15627 if (boards[move][i][j] == EmptySquare) {
15629 } else { ChessSquare piece = boards[move][i][j];
15630 if (emptycount > 0) {
15631 if(emptycount<10) /* [HGM] can be >= 10 */
15632 *p++ = '0' + emptycount;
15633 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15636 if(PieceToChar(piece) == '+') {
15637 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15639 piece = (ChessSquare)(DEMOTED piece);
15641 *p++ = PieceToChar(piece);
15643 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15644 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15649 if (emptycount > 0) {
15650 if(emptycount<10) /* [HGM] can be >= 10 */
15651 *p++ = '0' + emptycount;
15652 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15659 /* [HGM] print Crazyhouse or Shogi holdings */
15660 if( gameInfo.holdingsWidth ) {
15661 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15663 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15664 piece = boards[move][i][BOARD_WIDTH-1];
15665 if( piece != EmptySquare )
15666 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15667 *p++ = PieceToChar(piece);
15669 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15670 piece = boards[move][BOARD_HEIGHT-i-1][0];
15671 if( piece != EmptySquare )
15672 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15673 *p++ = PieceToChar(piece);
15676 if( q == p ) *p++ = '-';
15682 *p++ = whiteToPlay ? 'w' : 'b';
15685 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15686 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15688 if(nrCastlingRights) {
15690 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15691 /* [HGM] write directly from rights */
15692 if(boards[move][CASTLING][2] != NoRights &&
15693 boards[move][CASTLING][0] != NoRights )
15694 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15695 if(boards[move][CASTLING][2] != NoRights &&
15696 boards[move][CASTLING][1] != NoRights )
15697 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15698 if(boards[move][CASTLING][5] != NoRights &&
15699 boards[move][CASTLING][3] != NoRights )
15700 *p++ = boards[move][CASTLING][3] + AAA;
15701 if(boards[move][CASTLING][5] != NoRights &&
15702 boards[move][CASTLING][4] != NoRights )
15703 *p++ = boards[move][CASTLING][4] + AAA;
15706 /* [HGM] write true castling rights */
15707 if( nrCastlingRights == 6 ) {
15708 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15709 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15710 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15711 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15712 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15713 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15714 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15715 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15718 if (q == p) *p++ = '-'; /* No castling rights */
15722 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15723 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15724 /* En passant target square */
15725 if (move > backwardMostMove) {
15726 fromX = moveList[move - 1][0] - AAA;
15727 fromY = moveList[move - 1][1] - ONE;
15728 toX = moveList[move - 1][2] - AAA;
15729 toY = moveList[move - 1][3] - ONE;
15730 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15731 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15732 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15734 /* 2-square pawn move just happened */
15736 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15740 } else if(move == backwardMostMove) {
15741 // [HGM] perhaps we should always do it like this, and forget the above?
15742 if((signed char)boards[move][EP_STATUS] >= 0) {
15743 *p++ = boards[move][EP_STATUS] + AAA;
15744 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15755 /* [HGM] find reversible plies */
15756 { int i = 0, j=move;
15758 if (appData.debugMode) { int k;
15759 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15760 for(k=backwardMostMove; k<=forwardMostMove; k++)
15761 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15765 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15766 if( j == backwardMostMove ) i += initialRulePlies;
15767 sprintf(p, "%d ", i);
15768 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15770 /* Fullmove number */
15771 sprintf(p, "%d", (move / 2) + 1);
15773 return StrSave(buf);
15777 ParseFEN(board, blackPlaysFirst, fen)
15779 int *blackPlaysFirst;
15789 /* [HGM] by default clear Crazyhouse holdings, if present */
15790 if(gameInfo.holdingsWidth) {
15791 for(i=0; i<BOARD_HEIGHT; i++) {
15792 board[i][0] = EmptySquare; /* black holdings */
15793 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15794 board[i][1] = (ChessSquare) 0; /* black counts */
15795 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15799 /* Piece placement data */
15800 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15803 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15804 if (*p == '/') p++;
15805 emptycount = gameInfo.boardWidth - j;
15806 while (emptycount--)
15807 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15809 #if(BOARD_FILES >= 10)
15810 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15811 p++; emptycount=10;
15812 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15813 while (emptycount--)
15814 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15816 } else if (isdigit(*p)) {
15817 emptycount = *p++ - '0';
15818 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15819 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15820 while (emptycount--)
15821 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15822 } else if (*p == '+' || isalpha(*p)) {
15823 if (j >= gameInfo.boardWidth) return FALSE;
15825 piece = CharToPiece(*++p);
15826 if(piece == EmptySquare) return FALSE; /* unknown piece */
15827 piece = (ChessSquare) (PROMOTED piece ); p++;
15828 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15829 } else piece = CharToPiece(*p++);
15831 if(piece==EmptySquare) return FALSE; /* unknown piece */
15832 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15833 piece = (ChessSquare) (PROMOTED piece);
15834 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15837 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15843 while (*p == '/' || *p == ' ') p++;
15845 /* [HGM] look for Crazyhouse holdings here */
15846 while(*p==' ') p++;
15847 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15849 if(*p == '-' ) p++; /* empty holdings */ else {
15850 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15851 /* if we would allow FEN reading to set board size, we would */
15852 /* have to add holdings and shift the board read so far here */
15853 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15855 if((int) piece >= (int) BlackPawn ) {
15856 i = (int)piece - (int)BlackPawn;
15857 i = PieceToNumber((ChessSquare)i);
15858 if( i >= gameInfo.holdingsSize ) return FALSE;
15859 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15860 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15862 i = (int)piece - (int)WhitePawn;
15863 i = PieceToNumber((ChessSquare)i);
15864 if( i >= gameInfo.holdingsSize ) return FALSE;
15865 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15866 board[i][BOARD_WIDTH-2]++; /* black holdings */
15873 while(*p == ' ') p++;
15877 if(appData.colorNickNames) {
15878 if( c == appData.colorNickNames[0] ) c = 'w'; else
15879 if( c == appData.colorNickNames[1] ) c = 'b';
15883 *blackPlaysFirst = FALSE;
15886 *blackPlaysFirst = TRUE;
15892 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15893 /* return the extra info in global variiables */
15895 /* set defaults in case FEN is incomplete */
15896 board[EP_STATUS] = EP_UNKNOWN;
15897 for(i=0; i<nrCastlingRights; i++ ) {
15898 board[CASTLING][i] =
15899 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15900 } /* assume possible unless obviously impossible */
15901 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15902 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15903 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15904 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15905 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15906 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15907 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15908 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15911 while(*p==' ') p++;
15912 if(nrCastlingRights) {
15913 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15914 /* castling indicator present, so default becomes no castlings */
15915 for(i=0; i<nrCastlingRights; i++ ) {
15916 board[CASTLING][i] = NoRights;
15919 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15920 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15921 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15922 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15923 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15925 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15926 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15927 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15929 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15930 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15931 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15932 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15933 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15934 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15937 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15938 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15939 board[CASTLING][2] = whiteKingFile;
15942 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15943 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15944 board[CASTLING][2] = whiteKingFile;
15947 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15948 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15949 board[CASTLING][5] = blackKingFile;
15952 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15953 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15954 board[CASTLING][5] = blackKingFile;
15957 default: /* FRC castlings */
15958 if(c >= 'a') { /* black rights */
15959 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15960 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15961 if(i == BOARD_RGHT) break;
15962 board[CASTLING][5] = i;
15964 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15965 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15967 board[CASTLING][3] = c;
15969 board[CASTLING][4] = c;
15970 } else { /* white rights */
15971 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15972 if(board[0][i] == WhiteKing) break;
15973 if(i == BOARD_RGHT) break;
15974 board[CASTLING][2] = i;
15975 c -= AAA - 'a' + 'A';
15976 if(board[0][c] >= WhiteKing) break;
15978 board[CASTLING][0] = c;
15980 board[CASTLING][1] = c;
15984 for(i=0; i<nrCastlingRights; i++)
15985 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15986 if (appData.debugMode) {
15987 fprintf(debugFP, "FEN castling rights:");
15988 for(i=0; i<nrCastlingRights; i++)
15989 fprintf(debugFP, " %d", board[CASTLING][i]);
15990 fprintf(debugFP, "\n");
15993 while(*p==' ') p++;
15996 /* read e.p. field in games that know e.p. capture */
15997 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15998 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16000 p++; board[EP_STATUS] = EP_NONE;
16002 char c = *p++ - AAA;
16004 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16005 if(*p >= '0' && *p <='9') p++;
16006 board[EP_STATUS] = c;
16011 if(sscanf(p, "%d", &i) == 1) {
16012 FENrulePlies = i; /* 50-move ply counter */
16013 /* (The move number is still ignored) */
16020 EditPositionPasteFEN(char *fen)
16023 Board initial_position;
16025 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16026 DisplayError(_("Bad FEN position in clipboard"), 0);
16029 int savedBlackPlaysFirst = blackPlaysFirst;
16030 EditPositionEvent();
16031 blackPlaysFirst = savedBlackPlaysFirst;
16032 CopyBoard(boards[0], initial_position);
16033 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16034 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16035 DisplayBothClocks();
16036 DrawPosition(FALSE, boards[currentMove]);
16041 static char cseq[12] = "\\ ";
16043 Boolean set_cont_sequence(char *new_seq)
16048 // handle bad attempts to set the sequence
16050 return 0; // acceptable error - no debug
16052 len = strlen(new_seq);
16053 ret = (len > 0) && (len < sizeof(cseq));
16055 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16056 else if (appData.debugMode)
16057 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16062 reformat a source message so words don't cross the width boundary. internal
16063 newlines are not removed. returns the wrapped size (no null character unless
16064 included in source message). If dest is NULL, only calculate the size required
16065 for the dest buffer. lp argument indicats line position upon entry, and it's
16066 passed back upon exit.
16068 int wrap(char *dest, char *src, int count, int width, int *lp)
16070 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16072 cseq_len = strlen(cseq);
16073 old_line = line = *lp;
16074 ansi = len = clen = 0;
16076 for (i=0; i < count; i++)
16078 if (src[i] == '\033')
16081 // if we hit the width, back up
16082 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16084 // store i & len in case the word is too long
16085 old_i = i, old_len = len;
16087 // find the end of the last word
16088 while (i && src[i] != ' ' && src[i] != '\n')
16094 // word too long? restore i & len before splitting it
16095 if ((old_i-i+clen) >= width)
16102 if (i && src[i-1] == ' ')
16105 if (src[i] != ' ' && src[i] != '\n')
16112 // now append the newline and continuation sequence
16117 strncpy(dest+len, cseq, cseq_len);
16125 dest[len] = src[i];
16129 if (src[i] == '\n')
16134 if (dest && appData.debugMode)
16136 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16137 count, width, line, len, *lp);
16138 show_bytes(debugFP, src, count);
16139 fprintf(debugFP, "\ndest: ");
16140 show_bytes(debugFP, dest, len);
16141 fprintf(debugFP, "\n");
16143 *lp = dest ? line : old_line;
16148 // [HGM] vari: routines for shelving variations
16151 PushInner(int firstMove, int lastMove)
16153 int i, j, nrMoves = lastMove - firstMove;
16155 // push current tail of game on stack
16156 savedResult[storedGames] = gameInfo.result;
16157 savedDetails[storedGames] = gameInfo.resultDetails;
16158 gameInfo.resultDetails = NULL;
16159 savedFirst[storedGames] = firstMove;
16160 savedLast [storedGames] = lastMove;
16161 savedFramePtr[storedGames] = framePtr;
16162 framePtr -= nrMoves; // reserve space for the boards
16163 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16164 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16165 for(j=0; j<MOVE_LEN; j++)
16166 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16167 for(j=0; j<2*MOVE_LEN; j++)
16168 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16169 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16170 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16171 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16172 pvInfoList[firstMove+i-1].depth = 0;
16173 commentList[framePtr+i] = commentList[firstMove+i];
16174 commentList[firstMove+i] = NULL;
16178 forwardMostMove = firstMove; // truncate game so we can start variation
16182 PushTail(int firstMove, int lastMove)
16184 if(appData.icsActive) { // only in local mode
16185 forwardMostMove = currentMove; // mimic old ICS behavior
16188 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16190 PushInner(firstMove, lastMove);
16191 if(storedGames == 1) GreyRevert(FALSE);
16195 PopInner(Boolean annotate)
16198 char buf[8000], moveBuf[20];
16201 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16202 nrMoves = savedLast[storedGames] - currentMove;
16205 if(!WhiteOnMove(currentMove))
16206 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16207 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16208 for(i=currentMove; i<forwardMostMove; i++) {
16210 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16211 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16212 strcat(buf, moveBuf);
16213 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16214 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16218 for(i=1; i<=nrMoves; i++) { // copy last variation back
16219 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16220 for(j=0; j<MOVE_LEN; j++)
16221 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16222 for(j=0; j<2*MOVE_LEN; j++)
16223 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16224 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16225 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16226 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16227 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16228 commentList[currentMove+i] = commentList[framePtr+i];
16229 commentList[framePtr+i] = NULL;
16231 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16232 framePtr = savedFramePtr[storedGames];
16233 gameInfo.result = savedResult[storedGames];
16234 if(gameInfo.resultDetails != NULL) {
16235 free(gameInfo.resultDetails);
16237 gameInfo.resultDetails = savedDetails[storedGames];
16238 forwardMostMove = currentMove + nrMoves;
16242 PopTail(Boolean annotate)
16244 if(appData.icsActive) return FALSE; // only in local mode
16245 if(!storedGames) return FALSE; // sanity
16246 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16248 PopInner(annotate);
16250 if(storedGames == 0) GreyRevert(TRUE);
16256 { // remove all shelved variations
16258 for(i=0; i<storedGames; i++) {
16259 if(savedDetails[i])
16260 free(savedDetails[i]);
16261 savedDetails[i] = NULL;
16263 for(i=framePtr; i<MAX_MOVES; i++) {
16264 if(commentList[i]) free(commentList[i]);
16265 commentList[i] = NULL;
16267 framePtr = MAX_MOVES-1;
16272 LoadVariation(int index, char *text)
16273 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16274 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16275 int level = 0, move;
16277 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16278 // first find outermost bracketing variation
16279 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16280 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16281 if(*p == '{') wait = '}'; else
16282 if(*p == '[') wait = ']'; else
16283 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16284 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16286 if(*p == wait) wait = NULLCHAR; // closing ]} found
16289 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16290 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16291 end[1] = NULLCHAR; // clip off comment beyond variation
16292 ToNrEvent(currentMove-1);
16293 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16294 // kludge: use ParsePV() to append variation to game
16295 move = currentMove;
16296 ParsePV(start, TRUE, TRUE);
16297 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16298 ClearPremoveHighlights();
16300 ToNrEvent(currentMove+1);