2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
60 int flock(int f, int code);
66 #define DoSleep( n ) if( (n) >= 0) sleep(n)
77 #include <sys/types.h>
86 #else /* not STDC_HEADERS */
89 # else /* not HAVE_STRING_H */
91 # endif /* not HAVE_STRING_H */
92 #endif /* not STDC_HEADERS */
95 # include <sys/fcntl.h>
96 #else /* not HAVE_SYS_FCNTL_H */
99 # endif /* HAVE_FCNTL_H */
100 #endif /* not HAVE_SYS_FCNTL_H */
102 #if TIME_WITH_SYS_TIME
103 # include <sys/time.h>
107 # include <sys/time.h>
113 #if defined(_amigados) && !defined(__GNUC__)
118 extern int gettimeofday(struct timeval *, struct timezone *);
126 #include "frontend.h"
133 #include "backendz.h"
137 # define _(s) gettext (s)
138 # define N_(s) gettext_noop (s)
139 # define T_(s) gettext(s)
152 /* A point in time */
154 long sec; /* Assuming this is >= 32 bits */
155 int ms; /* Assuming this is >= 16 bits */
158 int establish P((void));
159 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
160 char *buf, int count, int error));
161 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
162 char *buf, int count, int error));
163 void ics_printf P((char *format, ...));
164 void SendToICS P((char *s));
165 void SendToICSDelayed P((char *s, long msdelay));
166 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
167 void HandleMachineMove P((char *message, ChessProgramState *cps));
168 int AutoPlayOneMove P((void));
169 int LoadGameOneMove P((ChessMove readAhead));
170 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
171 int LoadPositionFromFile P((char *filename, int n, char *title));
172 int SavePositionToFile P((char *filename));
173 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
175 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
176 void ShowMove P((int fromX, int fromY, int toX, int toY));
177 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
178 /*char*/int promoChar));
179 void BackwardInner P((int target));
180 void ForwardInner P((int target));
181 int Adjudicate P((ChessProgramState *cps));
182 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
183 void EditPositionDone P((Boolean fakeRights));
184 void PrintOpponents P((FILE *fp));
185 void PrintPosition P((FILE *fp, int move));
186 void StartChessProgram P((ChessProgramState *cps));
187 void SendToProgram P((char *message, ChessProgramState *cps));
188 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
189 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
190 char *buf, int count, int error));
191 void SendTimeControl P((ChessProgramState *cps,
192 int mps, long tc, int inc, int sd, int st));
193 char *TimeControlTagValue P((void));
194 void Attention P((ChessProgramState *cps));
195 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
196 int ResurrectChessProgram P((void));
197 void DisplayComment P((int moveNumber, char *text));
198 void DisplayMove P((int moveNumber));
200 void ParseGameHistory P((char *game));
201 void ParseBoard12 P((char *string));
202 void KeepAlive P((void));
203 void StartClocks P((void));
204 void SwitchClocks P((int nr));
205 void StopClocks P((void));
206 void ResetClocks P((void));
207 char *PGNDate P((void));
208 void SetGameInfo P((void));
209 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
210 int RegisterMove P((void));
211 void MakeRegisteredMove P((void));
212 void TruncateGame P((void));
213 int looking_at P((char *, int *, char *));
214 void CopyPlayerNameIntoFileName P((char **, char *));
215 char *SavePart P((char *));
216 int SaveGameOldStyle P((FILE *));
217 int SaveGamePGN P((FILE *));
218 void GetTimeMark P((TimeMark *));
219 long SubtractTimeMarks P((TimeMark *, TimeMark *));
220 int CheckFlags P((void));
221 long NextTickLength P((long));
222 void CheckTimeControl P((void));
223 void show_bytes P((FILE *, char *, int));
224 int string_to_rating P((char *str));
225 void ParseFeatures P((char* args, ChessProgramState *cps));
226 void InitBackEnd3 P((void));
227 void FeatureDone P((ChessProgramState* cps, int val));
228 void InitChessProgram P((ChessProgramState *cps, int setup));
229 void OutputKibitz(int window, char *text);
230 int PerpetualChase(int first, int last);
231 int EngineOutputIsUp();
232 void InitDrawingSizes(int x, int y);
233 void NextMatchGame P((void));
234 int NextTourneyGame P((int nr, int *swap));
235 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
236 FILE *WriteTourneyFile P((char *results));
239 extern void ConsoleCreate();
242 ChessProgramState *WhitePlayer();
243 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
244 int VerifyDisplayMode P(());
246 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
247 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
248 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
249 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
250 void ics_update_width P((int new_width));
251 extern char installDir[MSG_SIZ];
252 VariantClass startVariant; /* [HGM] nicks: initial variant */
255 extern int tinyLayout, smallLayout;
256 ChessProgramStats programStats;
257 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
259 static int exiting = 0; /* [HGM] moved to top */
260 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
261 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
262 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
263 int partnerHighlight[2];
264 Boolean partnerBoardValid = 0;
265 char partnerStatus[MSG_SIZ];
267 Boolean originalFlip;
268 Boolean twoBoards = 0;
269 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
270 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
271 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
272 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
273 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
274 int opponentKibitzes;
275 int lastSavedGame; /* [HGM] save: ID of game */
276 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
277 extern int chatCount;
279 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
280 char lastMsg[MSG_SIZ];
281 ChessSquare pieceSweep = EmptySquare;
282 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
283 int promoDefaultAltered;
285 /* States for ics_getting_history */
287 #define H_REQUESTED 1
288 #define H_GOT_REQ_HEADER 2
289 #define H_GOT_UNREQ_HEADER 3
290 #define H_GETTING_MOVES 4
291 #define H_GOT_UNWANTED_HEADER 5
293 /* whosays values for GameEnds */
302 /* Maximum number of games in a cmail message */
303 #define CMAIL_MAX_GAMES 20
305 /* Different types of move when calling RegisterMove */
307 #define CMAIL_RESIGN 1
309 #define CMAIL_ACCEPT 3
311 /* Different types of result to remember for each game */
312 #define CMAIL_NOT_RESULT 0
313 #define CMAIL_OLD_RESULT 1
314 #define CMAIL_NEW_RESULT 2
316 /* Telnet protocol constants */
327 safeStrCpy( char *dst, const char *src, size_t count )
330 assert( dst != NULL );
331 assert( src != NULL );
334 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
335 if( i == count && dst[count-1] != NULLCHAR)
337 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
338 if(appData.debugMode)
339 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
345 /* Some compiler can't cast u64 to double
346 * This function do the job for us:
348 * We use the highest bit for cast, this only
349 * works if the highest bit is not
350 * in use (This should not happen)
352 * We used this for all compiler
355 u64ToDouble(u64 value)
358 u64 tmp = value & u64Const(0x7fffffffffffffff);
359 r = (double)(s64)tmp;
360 if (value & u64Const(0x8000000000000000))
361 r += 9.2233720368547758080e18; /* 2^63 */
365 /* Fake up flags for now, as we aren't keeping track of castling
366 availability yet. [HGM] Change of logic: the flag now only
367 indicates the type of castlings allowed by the rule of the game.
368 The actual rights themselves are maintained in the array
369 castlingRights, as part of the game history, and are not probed
375 int flags = F_ALL_CASTLE_OK;
376 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
377 switch (gameInfo.variant) {
379 flags &= ~F_ALL_CASTLE_OK;
380 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
381 flags |= F_IGNORE_CHECK;
383 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
386 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
388 case VariantKriegspiel:
389 flags |= F_KRIEGSPIEL_CAPTURE;
391 case VariantCapaRandom:
392 case VariantFischeRandom:
393 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
394 case VariantNoCastle:
395 case VariantShatranj:
398 flags &= ~F_ALL_CASTLE_OK;
406 FILE *gameFileFP, *debugFP;
409 [AS] Note: sometimes, the sscanf() function is used to parse the input
410 into a fixed-size buffer. Because of this, we must be prepared to
411 receive strings as long as the size of the input buffer, which is currently
412 set to 4K for Windows and 8K for the rest.
413 So, we must either allocate sufficiently large buffers here, or
414 reduce the size of the input buffer in the input reading part.
417 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
418 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
419 char thinkOutput1[MSG_SIZ*10];
421 ChessProgramState first, second, pairing;
423 /* premove variables */
426 int premoveFromX = 0;
427 int premoveFromY = 0;
428 int premovePromoChar = 0;
430 Boolean alarmSounded;
431 /* end premove variables */
433 char *ics_prefix = "$";
434 int ics_type = ICS_GENERIC;
436 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
437 int pauseExamForwardMostMove = 0;
438 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
439 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
440 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
441 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
442 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
443 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
444 int whiteFlag = FALSE, blackFlag = FALSE;
445 int userOfferedDraw = FALSE;
446 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
447 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
448 int cmailMoveType[CMAIL_MAX_GAMES];
449 long ics_clock_paused = 0;
450 ProcRef icsPR = NoProc, cmailPR = NoProc;
451 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
452 GameMode gameMode = BeginningOfGame;
453 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
454 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
455 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
456 int hiddenThinkOutputState = 0; /* [AS] */
457 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
458 int adjudicateLossPlies = 6;
459 char white_holding[64], black_holding[64];
460 TimeMark lastNodeCountTime;
461 long lastNodeCount=0;
462 int shiftKey; // [HGM] set by mouse handler
464 int have_sent_ICS_logon = 0;
466 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
467 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
468 long timeControl_2; /* [AS] Allow separate time controls */
469 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
470 long timeRemaining[2][MAX_MOVES];
471 int matchGame = 0, nextGame = 0, roundNr = 0;
472 Boolean waitingForGame = FALSE;
473 TimeMark programStartTime, pauseStart;
474 char ics_handle[MSG_SIZ];
475 int have_set_title = 0;
477 /* animateTraining preserves the state of appData.animate
478 * when Training mode is activated. This allows the
479 * response to be animated when appData.animate == TRUE and
480 * appData.animateDragging == TRUE.
482 Boolean animateTraining;
488 Board boards[MAX_MOVES];
489 /* [HGM] Following 7 needed for accurate legality tests: */
490 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
491 signed char initialRights[BOARD_FILES];
492 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
493 int initialRulePlies, FENrulePlies;
494 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
497 int mute; // mute all sounds
499 // [HGM] vari: next 12 to save and restore variations
500 #define MAX_VARIATIONS 10
501 int framePtr = MAX_MOVES-1; // points to free stack entry
503 int savedFirst[MAX_VARIATIONS];
504 int savedLast[MAX_VARIATIONS];
505 int savedFramePtr[MAX_VARIATIONS];
506 char *savedDetails[MAX_VARIATIONS];
507 ChessMove savedResult[MAX_VARIATIONS];
509 void PushTail P((int firstMove, int lastMove));
510 Boolean PopTail P((Boolean annotate));
511 void PushInner P((int firstMove, int lastMove));
512 void PopInner P((Boolean annotate));
513 void CleanupTail P((void));
515 ChessSquare FIDEArray[2][BOARD_FILES] = {
516 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
517 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
518 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
519 BlackKing, BlackBishop, BlackKnight, BlackRook }
522 ChessSquare twoKingsArray[2][BOARD_FILES] = {
523 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
524 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
525 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
526 BlackKing, BlackKing, BlackKnight, BlackRook }
529 ChessSquare KnightmateArray[2][BOARD_FILES] = {
530 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
531 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
532 { BlackRook, BlackMan, BlackBishop, BlackQueen,
533 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
536 ChessSquare SpartanArray[2][BOARD_FILES] = {
537 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
538 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
539 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
540 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
543 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
545 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
547 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
550 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
551 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
552 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
554 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
557 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
558 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
559 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
560 { BlackRook, BlackKnight, BlackMan, BlackFerz,
561 BlackKing, BlackMan, BlackKnight, BlackRook }
565 #if (BOARD_FILES>=10)
566 ChessSquare ShogiArray[2][BOARD_FILES] = {
567 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
568 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
569 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
570 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
573 ChessSquare XiangqiArray[2][BOARD_FILES] = {
574 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
575 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
576 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
577 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
580 ChessSquare CapablancaArray[2][BOARD_FILES] = {
581 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
582 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
583 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
584 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
587 ChessSquare GreatArray[2][BOARD_FILES] = {
588 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
589 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
590 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
591 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
594 ChessSquare JanusArray[2][BOARD_FILES] = {
595 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
596 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
597 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
598 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
602 ChessSquare GothicArray[2][BOARD_FILES] = {
603 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
604 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
605 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
606 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
609 #define GothicArray CapablancaArray
613 ChessSquare FalconArray[2][BOARD_FILES] = {
614 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
615 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
616 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
617 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
620 #define FalconArray CapablancaArray
623 #else // !(BOARD_FILES>=10)
624 #define XiangqiPosition FIDEArray
625 #define CapablancaArray FIDEArray
626 #define GothicArray FIDEArray
627 #define GreatArray FIDEArray
628 #endif // !(BOARD_FILES>=10)
630 #if (BOARD_FILES>=12)
631 ChessSquare CourierArray[2][BOARD_FILES] = {
632 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
633 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
634 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
635 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
637 #else // !(BOARD_FILES>=12)
638 #define CourierArray CapablancaArray
639 #endif // !(BOARD_FILES>=12)
642 Board initialPosition;
645 /* Convert str to a rating. Checks for special cases of "----",
647 "++++", etc. Also strips ()'s */
649 string_to_rating(str)
652 while(*str && !isdigit(*str)) ++str;
654 return 0; /* One of the special "no rating" cases */
662 /* Init programStats */
663 programStats.movelist[0] = 0;
664 programStats.depth = 0;
665 programStats.nr_moves = 0;
666 programStats.moves_left = 0;
667 programStats.nodes = 0;
668 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
669 programStats.score = 0;
670 programStats.got_only_move = 0;
671 programStats.got_fail = 0;
672 programStats.line_is_book = 0;
677 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
678 if (appData.firstPlaysBlack) {
679 first.twoMachinesColor = "black\n";
680 second.twoMachinesColor = "white\n";
682 first.twoMachinesColor = "white\n";
683 second.twoMachinesColor = "black\n";
686 first.other = &second;
687 second.other = &first;
690 if(appData.timeOddsMode) {
691 norm = appData.timeOdds[0];
692 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
694 first.timeOdds = appData.timeOdds[0]/norm;
695 second.timeOdds = appData.timeOdds[1]/norm;
698 if(programVersion) free(programVersion);
699 if (appData.noChessProgram) {
700 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
701 sprintf(programVersion, "%s", PACKAGE_STRING);
703 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
704 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
705 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
710 UnloadEngine(ChessProgramState *cps)
712 /* Kill off first chess program */
713 if (cps->isr != NULL)
714 RemoveInputSource(cps->isr);
717 if (cps->pr != NoProc) {
719 DoSleep( appData.delayBeforeQuit );
720 SendToProgram("quit\n", cps);
721 DoSleep( appData.delayAfterQuit );
722 DestroyChildProcess(cps->pr, cps->useSigterm);
725 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
729 ClearOptions(ChessProgramState *cps)
732 cps->nrOptions = cps->comboCnt = 0;
733 for(i=0; i<MAX_OPTIONS; i++) {
734 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
735 cps->option[i].textValue = 0;
739 char *engineNames[] = {
745 InitEngine(ChessProgramState *cps, int n)
746 { // [HGM] all engine initialiation put in a function that does one engine
750 cps->which = engineNames[n];
751 cps->maybeThinking = FALSE;
755 cps->sendDrawOffers = 1;
757 cps->program = appData.chessProgram[n];
758 cps->host = appData.host[n];
759 cps->dir = appData.directory[n];
760 cps->initString = appData.engInitString[n];
761 cps->computerString = appData.computerString[n];
762 cps->useSigint = TRUE;
763 cps->useSigterm = TRUE;
764 cps->reuse = appData.reuse[n];
765 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
766 cps->useSetboard = FALSE;
768 cps->usePing = FALSE;
771 cps->usePlayother = FALSE;
772 cps->useColors = TRUE;
773 cps->useUsermove = FALSE;
774 cps->sendICS = FALSE;
775 cps->sendName = appData.icsActive;
776 cps->sdKludge = FALSE;
777 cps->stKludge = FALSE;
778 TidyProgramName(cps->program, cps->host, cps->tidy);
780 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
781 cps->analysisSupport = 2; /* detect */
782 cps->analyzing = FALSE;
783 cps->initDone = FALSE;
785 /* New features added by Tord: */
786 cps->useFEN960 = FALSE;
787 cps->useOOCastle = TRUE;
788 /* End of new features added by Tord. */
789 cps->fenOverride = appData.fenOverride[n];
791 /* [HGM] time odds: set factor for each machine */
792 cps->timeOdds = appData.timeOdds[n];
794 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
795 cps->accumulateTC = appData.accumulateTC[n];
796 cps->maxNrOfSessions = 1;
801 cps->supportsNPS = UNKNOWN;
802 cps->memSize = FALSE;
803 cps->maxCores = FALSE;
804 cps->egtFormats[0] = NULLCHAR;
807 cps->optionSettings = appData.engOptions[n];
809 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
810 cps->isUCI = appData.isUCI[n]; /* [AS] */
811 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
813 if (appData.protocolVersion[n] > PROTOVER
814 || appData.protocolVersion[n] < 1)
819 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
820 appData.protocolVersion[n]);
821 if( (len > MSG_SIZ) && appData.debugMode )
822 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
824 DisplayFatalError(buf, 0, 2);
828 cps->protocolVersion = appData.protocolVersion[n];
831 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
834 ChessProgramState *savCps;
840 if(WaitForEngine(savCps, LoadEngine)) return;
841 CommonEngineInit(); // recalculate time odds
842 if(gameInfo.variant != StringToVariant(appData.variant)) {
843 // we changed variant when loading the engine; this forces us to reset
844 Reset(TRUE, savCps != &first);
845 EditGameEvent(); // for consistency with other path, as Reset changes mode
847 InitChessProgram(savCps, FALSE);
848 SendToProgram("force\n", savCps);
849 DisplayMessage("", "");
850 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
851 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
857 ReplaceEngine(ChessProgramState *cps, int n)
861 appData.noChessProgram = FALSE;
862 appData.clockMode = TRUE;
864 if(n) return; // only startup first engine immediately; second can wait
865 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
869 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
870 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
872 static char resetOptions[] =
873 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
874 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
877 Load(ChessProgramState *cps, int i)
879 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
880 if(engineLine[0]) { // an engine was selected from the combo box
881 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
882 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
883 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
884 ParseArgsFromString(buf);
886 ReplaceEngine(cps, i);
890 while(q = strchr(p, SLASH)) p = q+1;
891 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
892 if(engineDir[0] != NULLCHAR)
893 appData.directory[i] = engineDir;
894 else if(p != engineName) { // derive directory from engine path, when not given
896 appData.directory[i] = strdup(engineName);
898 } else appData.directory[i] = ".";
899 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
901 snprintf(command, MSG_SIZ, "%s %s", p, params);
904 appData.chessProgram[i] = strdup(p);
905 appData.isUCI[i] = isUCI;
906 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
907 appData.hasOwnBookUCI[i] = hasBook;
908 if(!nickName[0]) useNick = FALSE;
909 if(useNick) ASSIGN(appData.pgnName[i], nickName);
913 q = firstChessProgramNames;
914 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
915 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
916 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
917 quote, p, quote, appData.directory[i],
918 useNick ? " -fn \"" : "",
919 useNick ? nickName : "",
921 v1 ? " -firstProtocolVersion 1" : "",
922 hasBook ? "" : " -fNoOwnBookUCI",
923 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
924 storeVariant ? " -variant " : "",
925 storeVariant ? VariantName(gameInfo.variant) : "");
926 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
927 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
930 ReplaceEngine(cps, i);
936 int matched, min, sec;
938 * Parse timeControl resource
940 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
941 appData.movesPerSession)) {
943 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
944 DisplayFatalError(buf, 0, 2);
948 * Parse searchTime resource
950 if (*appData.searchTime != NULLCHAR) {
951 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
953 searchTime = min * 60;
954 } else if (matched == 2) {
955 searchTime = min * 60 + sec;
958 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
959 DisplayFatalError(buf, 0, 2);
968 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
969 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
971 GetTimeMark(&programStartTime);
972 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
973 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
976 programStats.ok_to_send = 1;
977 programStats.seen_stat = 0;
980 * Initialize game list
986 * Internet chess server status
988 if (appData.icsActive) {
989 appData.matchMode = FALSE;
990 appData.matchGames = 0;
992 appData.noChessProgram = !appData.zippyPlay;
994 appData.zippyPlay = FALSE;
995 appData.zippyTalk = FALSE;
996 appData.noChessProgram = TRUE;
998 if (*appData.icsHelper != NULLCHAR) {
999 appData.useTelnet = TRUE;
1000 appData.telnetProgram = appData.icsHelper;
1003 appData.zippyTalk = appData.zippyPlay = FALSE;
1006 /* [AS] Initialize pv info list [HGM] and game state */
1010 for( i=0; i<=framePtr; i++ ) {
1011 pvInfoList[i].depth = -1;
1012 boards[i][EP_STATUS] = EP_NONE;
1013 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1019 /* [AS] Adjudication threshold */
1020 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1022 InitEngine(&first, 0);
1023 InitEngine(&second, 1);
1026 pairing.which = "pairing"; // pairing engine
1027 pairing.pr = NoProc;
1029 pairing.program = appData.pairingEngine;
1030 pairing.host = "localhost";
1033 if (appData.icsActive) {
1034 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1035 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1036 appData.clockMode = FALSE;
1037 first.sendTime = second.sendTime = 0;
1041 /* Override some settings from environment variables, for backward
1042 compatibility. Unfortunately it's not feasible to have the env
1043 vars just set defaults, at least in xboard. Ugh.
1045 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1050 if (!appData.icsActive) {
1054 /* Check for variants that are supported only in ICS mode,
1055 or not at all. Some that are accepted here nevertheless
1056 have bugs; see comments below.
1058 VariantClass variant = StringToVariant(appData.variant);
1060 case VariantBughouse: /* need four players and two boards */
1061 case VariantKriegspiel: /* need to hide pieces and move details */
1062 /* case VariantFischeRandom: (Fabien: moved below) */
1063 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1064 if( (len > MSG_SIZ) && appData.debugMode )
1065 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1067 DisplayFatalError(buf, 0, 2);
1070 case VariantUnknown:
1071 case VariantLoadable:
1081 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1082 if( (len > MSG_SIZ) && appData.debugMode )
1083 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1085 DisplayFatalError(buf, 0, 2);
1088 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1089 case VariantFairy: /* [HGM] TestLegality definitely off! */
1090 case VariantGothic: /* [HGM] should work */
1091 case VariantCapablanca: /* [HGM] should work */
1092 case VariantCourier: /* [HGM] initial forced moves not implemented */
1093 case VariantShogi: /* [HGM] could still mate with pawn drop */
1094 case VariantKnightmate: /* [HGM] should work */
1095 case VariantCylinder: /* [HGM] untested */
1096 case VariantFalcon: /* [HGM] untested */
1097 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1098 offboard interposition not understood */
1099 case VariantNormal: /* definitely works! */
1100 case VariantWildCastle: /* pieces not automatically shuffled */
1101 case VariantNoCastle: /* pieces not automatically shuffled */
1102 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1103 case VariantLosers: /* should work except for win condition,
1104 and doesn't know captures are mandatory */
1105 case VariantSuicide: /* should work except for win condition,
1106 and doesn't know captures are mandatory */
1107 case VariantGiveaway: /* should work except for win condition,
1108 and doesn't know captures are mandatory */
1109 case VariantTwoKings: /* should work */
1110 case VariantAtomic: /* should work except for win condition */
1111 case Variant3Check: /* should work except for win condition */
1112 case VariantShatranj: /* should work except for all win conditions */
1113 case VariantMakruk: /* should work except for daw countdown */
1114 case VariantBerolina: /* might work if TestLegality is off */
1115 case VariantCapaRandom: /* should work */
1116 case VariantJanus: /* should work */
1117 case VariantSuper: /* experimental */
1118 case VariantGreat: /* experimental, requires legality testing to be off */
1119 case VariantSChess: /* S-Chess, should work */
1120 case VariantSpartan: /* should work */
1127 int NextIntegerFromString( char ** str, long * value )
1132 while( *s == ' ' || *s == '\t' ) {
1138 if( *s >= '0' && *s <= '9' ) {
1139 while( *s >= '0' && *s <= '9' ) {
1140 *value = *value * 10 + (*s - '0');
1152 int NextTimeControlFromString( char ** str, long * value )
1155 int result = NextIntegerFromString( str, &temp );
1158 *value = temp * 60; /* Minutes */
1159 if( **str == ':' ) {
1161 result = NextIntegerFromString( str, &temp );
1162 *value += temp; /* Seconds */
1169 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1170 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1171 int result = -1, type = 0; long temp, temp2;
1173 if(**str != ':') return -1; // old params remain in force!
1175 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1176 if( NextIntegerFromString( str, &temp ) ) return -1;
1177 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1180 /* time only: incremental or sudden-death time control */
1181 if(**str == '+') { /* increment follows; read it */
1183 if(**str == '!') type = *(*str)++; // Bronstein TC
1184 if(result = NextIntegerFromString( str, &temp2)) return -1;
1185 *inc = temp2 * 1000;
1186 if(**str == '.') { // read fraction of increment
1187 char *start = ++(*str);
1188 if(result = NextIntegerFromString( str, &temp2)) return -1;
1190 while(start++ < *str) temp2 /= 10;
1194 *moves = 0; *tc = temp * 1000; *incType = type;
1198 (*str)++; /* classical time control */
1199 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1210 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1211 { /* [HGM] get time to add from the multi-session time-control string */
1212 int incType, moves=1; /* kludge to force reading of first session */
1213 long time, increment;
1216 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1217 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1219 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1220 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1221 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1222 if(movenr == -1) return time; /* last move before new session */
1223 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1224 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1225 if(!moves) return increment; /* current session is incremental */
1226 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1227 } while(movenr >= -1); /* try again for next session */
1229 return 0; // no new time quota on this move
1233 ParseTimeControl(tc, ti, mps)
1240 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1243 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1244 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1245 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1249 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1251 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1254 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1256 snprintf(buf, MSG_SIZ, ":%s", mytc);
1258 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1260 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1265 /* Parse second time control */
1268 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1276 timeControl_2 = tc2 * 1000;
1286 timeControl = tc1 * 1000;
1289 timeIncrement = ti * 1000; /* convert to ms */
1290 movesPerSession = 0;
1293 movesPerSession = mps;
1301 if (appData.debugMode) {
1302 fprintf(debugFP, "%s\n", programVersion);
1305 set_cont_sequence(appData.wrapContSeq);
1306 if (appData.matchGames > 0) {
1307 appData.matchMode = TRUE;
1308 } else if (appData.matchMode) {
1309 appData.matchGames = 1;
1311 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1312 appData.matchGames = appData.sameColorGames;
1313 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1314 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1315 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1318 if (appData.noChessProgram || first.protocolVersion == 1) {
1321 /* kludge: allow timeout for initial "feature" commands */
1323 DisplayMessage("", _("Starting chess program"));
1324 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1329 CalculateIndex(int index, int gameNr)
1330 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1332 if(index > 0) return index; // fixed nmber
1333 if(index == 0) return 1;
1334 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1335 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1340 LoadGameOrPosition(int gameNr)
1341 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1342 if (*appData.loadGameFile != NULLCHAR) {
1343 if (!LoadGameFromFile(appData.loadGameFile,
1344 CalculateIndex(appData.loadGameIndex, gameNr),
1345 appData.loadGameFile, FALSE)) {
1346 DisplayFatalError(_("Bad game file"), 0, 1);
1349 } else if (*appData.loadPositionFile != NULLCHAR) {
1350 if (!LoadPositionFromFile(appData.loadPositionFile,
1351 CalculateIndex(appData.loadPositionIndex, gameNr),
1352 appData.loadPositionFile)) {
1353 DisplayFatalError(_("Bad position file"), 0, 1);
1361 ReserveGame(int gameNr, char resChar)
1363 FILE *tf = fopen(appData.tourneyFile, "r+");
1364 char *p, *q, c, buf[MSG_SIZ];
1365 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1366 safeStrCpy(buf, lastMsg, MSG_SIZ);
1367 DisplayMessage(_("Pick new game"), "");
1368 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1369 ParseArgsFromFile(tf);
1370 p = q = appData.results;
1371 if(appData.debugMode) {
1372 char *r = appData.participants;
1373 fprintf(debugFP, "results = '%s'\n", p);
1374 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1375 fprintf(debugFP, "\n");
1377 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1379 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1380 safeStrCpy(q, p, strlen(p) + 2);
1381 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1382 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1383 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1384 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1387 fseek(tf, -(strlen(p)+4), SEEK_END);
1389 if(c != '"') // depending on DOS or Unix line endings we can be one off
1390 fseek(tf, -(strlen(p)+2), SEEK_END);
1391 else fseek(tf, -(strlen(p)+3), SEEK_END);
1392 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1393 DisplayMessage(buf, "");
1394 free(p); appData.results = q;
1395 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1396 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1397 UnloadEngine(&first); // next game belongs to other pairing;
1398 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1403 MatchEvent(int mode)
1404 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1406 if(matchMode) { // already in match mode: switch it off
1408 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1411 // if(gameMode != BeginningOfGame) {
1412 // DisplayError(_("You can only start a match from the initial position."), 0);
1416 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1417 /* Set up machine vs. machine match */
1419 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1420 if(appData.tourneyFile[0]) {
1422 if(nextGame > appData.matchGames) {
1424 if(strchr(appData.results, '*') == NULL) {
1426 appData.tourneyCycles++;
1427 if(f = WriteTourneyFile(appData.results)) { // make a tourney file with increased number of cycles
1429 NextTourneyGame(-1, &dummy);
1431 if(nextGame <= appData.matchGames) {
1432 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1434 ScheduleDelayedEvent(NextMatchGame, 10000);
1439 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1440 DisplayError(buf, 0);
1441 appData.tourneyFile[0] = 0;
1445 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1446 DisplayFatalError(_("Can't have a match with no chess programs"),
1451 matchGame = roundNr = 1;
1452 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
\r
1457 InitBackEnd3 P((void))
1459 GameMode initialMode;
1463 InitChessProgram(&first, startedFromSetupPosition);
1465 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1466 free(programVersion);
1467 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1468 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1471 if (appData.icsActive) {
1473 /* [DM] Make a console window if needed [HGM] merged ifs */
1479 if (*appData.icsCommPort != NULLCHAR)
1480 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1481 appData.icsCommPort);
1483 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1484 appData.icsHost, appData.icsPort);
1486 if( (len > MSG_SIZ) && appData.debugMode )
1487 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1489 DisplayFatalError(buf, err, 1);
1494 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1496 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1497 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1498 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1499 } else if (appData.noChessProgram) {
1505 if (*appData.cmailGameName != NULLCHAR) {
1507 OpenLoopback(&cmailPR);
1509 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1513 DisplayMessage("", "");
1514 if (StrCaseCmp(appData.initialMode, "") == 0) {
1515 initialMode = BeginningOfGame;
1516 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1517 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1518 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1519 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1522 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1523 initialMode = TwoMachinesPlay;
1524 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1525 initialMode = AnalyzeFile;
1526 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1527 initialMode = AnalyzeMode;
1528 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1529 initialMode = MachinePlaysWhite;
1530 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1531 initialMode = MachinePlaysBlack;
1532 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1533 initialMode = EditGame;
1534 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1535 initialMode = EditPosition;
1536 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1537 initialMode = Training;
1539 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1540 if( (len > MSG_SIZ) && appData.debugMode )
1541 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1543 DisplayFatalError(buf, 0, 2);
1547 if (appData.matchMode) {
1548 if(appData.tourneyFile[0]) { // start tourney from command line
1550 if(f = fopen(appData.tourneyFile, "r")) {
1551 ParseArgsFromFile(f); // make sure tourney parmeters re known
1553 appData.clockMode = TRUE;
1555 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1558 } else if (*appData.cmailGameName != NULLCHAR) {
1559 /* Set up cmail mode */
1560 ReloadCmailMsgEvent(TRUE);
1562 /* Set up other modes */
1563 if (initialMode == AnalyzeFile) {
1564 if (*appData.loadGameFile == NULLCHAR) {
1565 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1569 if (*appData.loadGameFile != NULLCHAR) {
1570 (void) LoadGameFromFile(appData.loadGameFile,
1571 appData.loadGameIndex,
1572 appData.loadGameFile, TRUE);
1573 } else if (*appData.loadPositionFile != NULLCHAR) {
1574 (void) LoadPositionFromFile(appData.loadPositionFile,
1575 appData.loadPositionIndex,
1576 appData.loadPositionFile);
1577 /* [HGM] try to make self-starting even after FEN load */
1578 /* to allow automatic setup of fairy variants with wtm */
1579 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1580 gameMode = BeginningOfGame;
1581 setboardSpoiledMachineBlack = 1;
1583 /* [HGM] loadPos: make that every new game uses the setup */
1584 /* from file as long as we do not switch variant */
1585 if(!blackPlaysFirst) {
1586 startedFromPositionFile = TRUE;
1587 CopyBoard(filePosition, boards[0]);
1590 if (initialMode == AnalyzeMode) {
1591 if (appData.noChessProgram) {
1592 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1595 if (appData.icsActive) {
1596 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1600 } else if (initialMode == AnalyzeFile) {
1601 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1602 ShowThinkingEvent();
1604 AnalysisPeriodicEvent(1);
1605 } else if (initialMode == MachinePlaysWhite) {
1606 if (appData.noChessProgram) {
1607 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1611 if (appData.icsActive) {
1612 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1616 MachineWhiteEvent();
1617 } else if (initialMode == MachinePlaysBlack) {
1618 if (appData.noChessProgram) {
1619 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1623 if (appData.icsActive) {
1624 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1628 MachineBlackEvent();
1629 } else if (initialMode == TwoMachinesPlay) {
1630 if (appData.noChessProgram) {
1631 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1635 if (appData.icsActive) {
1636 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1641 } else if (initialMode == EditGame) {
1643 } else if (initialMode == EditPosition) {
1644 EditPositionEvent();
1645 } else if (initialMode == Training) {
1646 if (*appData.loadGameFile == NULLCHAR) {
1647 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1656 * Establish will establish a contact to a remote host.port.
1657 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1658 * used to talk to the host.
1659 * Returns 0 if okay, error code if not.
1666 if (*appData.icsCommPort != NULLCHAR) {
1667 /* Talk to the host through a serial comm port */
1668 return OpenCommPort(appData.icsCommPort, &icsPR);
1670 } else if (*appData.gateway != NULLCHAR) {
1671 if (*appData.remoteShell == NULLCHAR) {
1672 /* Use the rcmd protocol to run telnet program on a gateway host */
1673 snprintf(buf, sizeof(buf), "%s %s %s",
1674 appData.telnetProgram, appData.icsHost, appData.icsPort);
1675 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1678 /* Use the rsh program to run telnet program on a gateway host */
1679 if (*appData.remoteUser == NULLCHAR) {
1680 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1681 appData.gateway, appData.telnetProgram,
1682 appData.icsHost, appData.icsPort);
1684 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1685 appData.remoteShell, appData.gateway,
1686 appData.remoteUser, appData.telnetProgram,
1687 appData.icsHost, appData.icsPort);
1689 return StartChildProcess(buf, "", &icsPR);
1692 } else if (appData.useTelnet) {
1693 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1696 /* TCP socket interface differs somewhat between
1697 Unix and NT; handle details in the front end.
1699 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1703 void EscapeExpand(char *p, char *q)
1704 { // [HGM] initstring: routine to shape up string arguments
1705 while(*p++ = *q++) if(p[-1] == '\\')
1707 case 'n': p[-1] = '\n'; break;
1708 case 'r': p[-1] = '\r'; break;
1709 case 't': p[-1] = '\t'; break;
1710 case '\\': p[-1] = '\\'; break;
1711 case 0: *p = 0; return;
1712 default: p[-1] = q[-1]; break;
1717 show_bytes(fp, buf, count)
1723 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1724 fprintf(fp, "\\%03o", *buf & 0xff);
1733 /* Returns an errno value */
1735 OutputMaybeTelnet(pr, message, count, outError)
1741 char buf[8192], *p, *q, *buflim;
1742 int left, newcount, outcount;
1744 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1745 *appData.gateway != NULLCHAR) {
1746 if (appData.debugMode) {
1747 fprintf(debugFP, ">ICS: ");
1748 show_bytes(debugFP, message, count);
1749 fprintf(debugFP, "\n");
1751 return OutputToProcess(pr, message, count, outError);
1754 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1761 if (appData.debugMode) {
1762 fprintf(debugFP, ">ICS: ");
1763 show_bytes(debugFP, buf, newcount);
1764 fprintf(debugFP, "\n");
1766 outcount = OutputToProcess(pr, buf, newcount, outError);
1767 if (outcount < newcount) return -1; /* to be sure */
1774 } else if (((unsigned char) *p) == TN_IAC) {
1775 *q++ = (char) TN_IAC;
1782 if (appData.debugMode) {
1783 fprintf(debugFP, ">ICS: ");
1784 show_bytes(debugFP, buf, newcount);
1785 fprintf(debugFP, "\n");
1787 outcount = OutputToProcess(pr, buf, newcount, outError);
1788 if (outcount < newcount) return -1; /* to be sure */
1793 read_from_player(isr, closure, message, count, error)
1800 int outError, outCount;
1801 static int gotEof = 0;
1803 /* Pass data read from player on to ICS */
1806 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1807 if (outCount < count) {
1808 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1810 } else if (count < 0) {
1811 RemoveInputSource(isr);
1812 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1813 } else if (gotEof++ > 0) {
1814 RemoveInputSource(isr);
1815 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1821 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1822 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1823 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1824 SendToICS("date\n");
1825 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1828 /* added routine for printf style output to ics */
1829 void ics_printf(char *format, ...)
1831 char buffer[MSG_SIZ];
1834 va_start(args, format);
1835 vsnprintf(buffer, sizeof(buffer), format, args);
1836 buffer[sizeof(buffer)-1] = '\0';
1845 int count, outCount, outError;
1847 if (icsPR == NULL) return;
1850 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1851 if (outCount < count) {
1852 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1856 /* This is used for sending logon scripts to the ICS. Sending
1857 without a delay causes problems when using timestamp on ICC
1858 (at least on my machine). */
1860 SendToICSDelayed(s,msdelay)
1864 int count, outCount, outError;
1866 if (icsPR == NULL) return;
1869 if (appData.debugMode) {
1870 fprintf(debugFP, ">ICS: ");
1871 show_bytes(debugFP, s, count);
1872 fprintf(debugFP, "\n");
1874 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1876 if (outCount < count) {
1877 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1882 /* Remove all highlighting escape sequences in s
1883 Also deletes any suffix starting with '('
1886 StripHighlightAndTitle(s)
1889 static char retbuf[MSG_SIZ];
1892 while (*s != NULLCHAR) {
1893 while (*s == '\033') {
1894 while (*s != NULLCHAR && !isalpha(*s)) s++;
1895 if (*s != NULLCHAR) s++;
1897 while (*s != NULLCHAR && *s != '\033') {
1898 if (*s == '(' || *s == '[') {
1909 /* Remove all highlighting escape sequences in s */
1914 static char retbuf[MSG_SIZ];
1917 while (*s != NULLCHAR) {
1918 while (*s == '\033') {
1919 while (*s != NULLCHAR && !isalpha(*s)) s++;
1920 if (*s != NULLCHAR) s++;
1922 while (*s != NULLCHAR && *s != '\033') {
1930 char *variantNames[] = VARIANT_NAMES;
1935 return variantNames[v];
1939 /* Identify a variant from the strings the chess servers use or the
1940 PGN Variant tag names we use. */
1947 VariantClass v = VariantNormal;
1948 int i, found = FALSE;
1954 /* [HGM] skip over optional board-size prefixes */
1955 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1956 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1957 while( *e++ != '_');
1960 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1964 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1965 if (StrCaseStr(e, variantNames[i])) {
1966 v = (VariantClass) i;
1973 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1974 || StrCaseStr(e, "wild/fr")
1975 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1976 v = VariantFischeRandom;
1977 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1978 (i = 1, p = StrCaseStr(e, "w"))) {
1980 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1987 case 0: /* FICS only, actually */
1989 /* Castling legal even if K starts on d-file */
1990 v = VariantWildCastle;
1995 /* Castling illegal even if K & R happen to start in
1996 normal positions. */
1997 v = VariantNoCastle;
2010 /* Castling legal iff K & R start in normal positions */
2016 /* Special wilds for position setup; unclear what to do here */
2017 v = VariantLoadable;
2020 /* Bizarre ICC game */
2021 v = VariantTwoKings;
2024 v = VariantKriegspiel;
2030 v = VariantFischeRandom;
2033 v = VariantCrazyhouse;
2036 v = VariantBughouse;
2042 /* Not quite the same as FICS suicide! */
2043 v = VariantGiveaway;
2049 v = VariantShatranj;
2052 /* Temporary names for future ICC types. The name *will* change in
2053 the next xboard/WinBoard release after ICC defines it. */
2091 v = VariantCapablanca;
2094 v = VariantKnightmate;
2100 v = VariantCylinder;
2106 v = VariantCapaRandom;
2109 v = VariantBerolina;
2121 /* Found "wild" or "w" in the string but no number;
2122 must assume it's normal chess. */
2126 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2127 if( (len > MSG_SIZ) && appData.debugMode )
2128 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2130 DisplayError(buf, 0);
2136 if (appData.debugMode) {
2137 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2138 e, wnum, VariantName(v));
2143 static int leftover_start = 0, leftover_len = 0;
2144 char star_match[STAR_MATCH_N][MSG_SIZ];
2146 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2147 advance *index beyond it, and set leftover_start to the new value of
2148 *index; else return FALSE. If pattern contains the character '*', it
2149 matches any sequence of characters not containing '\r', '\n', or the
2150 character following the '*' (if any), and the matched sequence(s) are
2151 copied into star_match.
2154 looking_at(buf, index, pattern)
2159 char *bufp = &buf[*index], *patternp = pattern;
2161 char *matchp = star_match[0];
2164 if (*patternp == NULLCHAR) {
2165 *index = leftover_start = bufp - buf;
2169 if (*bufp == NULLCHAR) return FALSE;
2170 if (*patternp == '*') {
2171 if (*bufp == *(patternp + 1)) {
2173 matchp = star_match[++star_count];
2177 } else if (*bufp == '\n' || *bufp == '\r') {
2179 if (*patternp == NULLCHAR)
2184 *matchp++ = *bufp++;
2188 if (*patternp != *bufp) return FALSE;
2195 SendToPlayer(data, length)
2199 int error, outCount;
2200 outCount = OutputToProcess(NoProc, data, length, &error);
2201 if (outCount < length) {
2202 DisplayFatalError(_("Error writing to display"), error, 1);
2207 PackHolding(packed, holding)
2219 switch (runlength) {
2230 sprintf(q, "%d", runlength);
2242 /* Telnet protocol requests from the front end */
2244 TelnetRequest(ddww, option)
2245 unsigned char ddww, option;
2247 unsigned char msg[3];
2248 int outCount, outError;
2250 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2252 if (appData.debugMode) {
2253 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2269 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2278 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2281 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2286 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2288 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2295 if (!appData.icsActive) return;
2296 TelnetRequest(TN_DO, TN_ECHO);
2302 if (!appData.icsActive) return;
2303 TelnetRequest(TN_DONT, TN_ECHO);
2307 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2309 /* put the holdings sent to us by the server on the board holdings area */
2310 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2314 if(gameInfo.holdingsWidth < 2) return;
2315 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2316 return; // prevent overwriting by pre-board holdings
2318 if( (int)lowestPiece >= BlackPawn ) {
2321 holdingsStartRow = BOARD_HEIGHT-1;
2324 holdingsColumn = BOARD_WIDTH-1;
2325 countsColumn = BOARD_WIDTH-2;
2326 holdingsStartRow = 0;
2330 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2331 board[i][holdingsColumn] = EmptySquare;
2332 board[i][countsColumn] = (ChessSquare) 0;
2334 while( (p=*holdings++) != NULLCHAR ) {
2335 piece = CharToPiece( ToUpper(p) );
2336 if(piece == EmptySquare) continue;
2337 /*j = (int) piece - (int) WhitePawn;*/
2338 j = PieceToNumber(piece);
2339 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2340 if(j < 0) continue; /* should not happen */
2341 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2342 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2343 board[holdingsStartRow+j*direction][countsColumn]++;
2349 VariantSwitch(Board board, VariantClass newVariant)
2351 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2352 static Board oldBoard;
2354 startedFromPositionFile = FALSE;
2355 if(gameInfo.variant == newVariant) return;
2357 /* [HGM] This routine is called each time an assignment is made to
2358 * gameInfo.variant during a game, to make sure the board sizes
2359 * are set to match the new variant. If that means adding or deleting
2360 * holdings, we shift the playing board accordingly
2361 * This kludge is needed because in ICS observe mode, we get boards
2362 * of an ongoing game without knowing the variant, and learn about the
2363 * latter only later. This can be because of the move list we requested,
2364 * in which case the game history is refilled from the beginning anyway,
2365 * but also when receiving holdings of a crazyhouse game. In the latter
2366 * case we want to add those holdings to the already received position.
2370 if (appData.debugMode) {
2371 fprintf(debugFP, "Switch board from %s to %s\n",
2372 VariantName(gameInfo.variant), VariantName(newVariant));
2373 setbuf(debugFP, NULL);
2375 shuffleOpenings = 0; /* [HGM] shuffle */
2376 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2380 newWidth = 9; newHeight = 9;
2381 gameInfo.holdingsSize = 7;
2382 case VariantBughouse:
2383 case VariantCrazyhouse:
2384 newHoldingsWidth = 2; break;
2388 newHoldingsWidth = 2;
2389 gameInfo.holdingsSize = 8;
2392 case VariantCapablanca:
2393 case VariantCapaRandom:
2396 newHoldingsWidth = gameInfo.holdingsSize = 0;
2399 if(newWidth != gameInfo.boardWidth ||
2400 newHeight != gameInfo.boardHeight ||
2401 newHoldingsWidth != gameInfo.holdingsWidth ) {
2403 /* shift position to new playing area, if needed */
2404 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2405 for(i=0; i<BOARD_HEIGHT; i++)
2406 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2407 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2409 for(i=0; i<newHeight; i++) {
2410 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2411 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2413 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2414 for(i=0; i<BOARD_HEIGHT; i++)
2415 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2416 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2419 gameInfo.boardWidth = newWidth;
2420 gameInfo.boardHeight = newHeight;
2421 gameInfo.holdingsWidth = newHoldingsWidth;
2422 gameInfo.variant = newVariant;
2423 InitDrawingSizes(-2, 0);
2424 } else gameInfo.variant = newVariant;
2425 CopyBoard(oldBoard, board); // remember correctly formatted board
2426 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2427 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2430 static int loggedOn = FALSE;
2432 /*-- Game start info cache: --*/
2434 char gs_kind[MSG_SIZ];
2435 static char player1Name[128] = "";
2436 static char player2Name[128] = "";
2437 static char cont_seq[] = "\n\\ ";
2438 static int player1Rating = -1;
2439 static int player2Rating = -1;
2440 /*----------------------------*/
2442 ColorClass curColor = ColorNormal;
2443 int suppressKibitz = 0;
2446 Boolean soughtPending = FALSE;
2447 Boolean seekGraphUp;
2448 #define MAX_SEEK_ADS 200
2450 char *seekAdList[MAX_SEEK_ADS];
2451 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2452 float tcList[MAX_SEEK_ADS];
2453 char colorList[MAX_SEEK_ADS];
2454 int nrOfSeekAds = 0;
2455 int minRating = 1010, maxRating = 2800;
2456 int hMargin = 10, vMargin = 20, h, w;
2457 extern int squareSize, lineGap;
2462 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2463 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2464 if(r < minRating+100 && r >=0 ) r = minRating+100;
2465 if(r > maxRating) r = maxRating;
2466 if(tc < 1.) tc = 1.;
2467 if(tc > 95.) tc = 95.;
2468 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2469 y = ((double)r - minRating)/(maxRating - minRating)
2470 * (h-vMargin-squareSize/8-1) + vMargin;
2471 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2472 if(strstr(seekAdList[i], " u ")) color = 1;
2473 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2474 !strstr(seekAdList[i], "bullet") &&
2475 !strstr(seekAdList[i], "blitz") &&
2476 !strstr(seekAdList[i], "standard") ) color = 2;
2477 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2478 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2482 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2484 char buf[MSG_SIZ], *ext = "";
2485 VariantClass v = StringToVariant(type);
2486 if(strstr(type, "wild")) {
2487 ext = type + 4; // append wild number
2488 if(v == VariantFischeRandom) type = "chess960"; else
2489 if(v == VariantLoadable) type = "setup"; else
2490 type = VariantName(v);
2492 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2493 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2494 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2495 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2496 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2497 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2498 seekNrList[nrOfSeekAds] = nr;
2499 zList[nrOfSeekAds] = 0;
2500 seekAdList[nrOfSeekAds++] = StrSave(buf);
2501 if(plot) PlotSeekAd(nrOfSeekAds-1);
2508 int x = xList[i], y = yList[i], d=squareSize/4, k;
2509 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2510 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2511 // now replot every dot that overlapped
2512 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2513 int xx = xList[k], yy = yList[k];
2514 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2515 DrawSeekDot(xx, yy, colorList[k]);
2520 RemoveSeekAd(int nr)
2523 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2525 if(seekAdList[i]) free(seekAdList[i]);
2526 seekAdList[i] = seekAdList[--nrOfSeekAds];
2527 seekNrList[i] = seekNrList[nrOfSeekAds];
2528 ratingList[i] = ratingList[nrOfSeekAds];
2529 colorList[i] = colorList[nrOfSeekAds];
2530 tcList[i] = tcList[nrOfSeekAds];
2531 xList[i] = xList[nrOfSeekAds];
2532 yList[i] = yList[nrOfSeekAds];
2533 zList[i] = zList[nrOfSeekAds];
2534 seekAdList[nrOfSeekAds] = NULL;
2540 MatchSoughtLine(char *line)
2542 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2543 int nr, base, inc, u=0; char dummy;
2545 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2546 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2548 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2549 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2550 // match: compact and save the line
2551 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2561 if(!seekGraphUp) return FALSE;
2562 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2563 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2565 DrawSeekBackground(0, 0, w, h);
2566 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2567 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2568 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2569 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2571 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2574 snprintf(buf, MSG_SIZ, "%d", i);
2575 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2578 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2579 for(i=1; i<100; i+=(i<10?1:5)) {
2580 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2581 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2582 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2584 snprintf(buf, MSG_SIZ, "%d", i);
2585 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2588 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2592 int SeekGraphClick(ClickType click, int x, int y, int moving)
2594 static int lastDown = 0, displayed = 0, lastSecond;
2595 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2596 if(click == Release || moving) return FALSE;
2598 soughtPending = TRUE;
2599 SendToICS(ics_prefix);
2600 SendToICS("sought\n"); // should this be "sought all"?
2601 } else { // issue challenge based on clicked ad
2602 int dist = 10000; int i, closest = 0, second = 0;
2603 for(i=0; i<nrOfSeekAds; i++) {
2604 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2605 if(d < dist) { dist = d; closest = i; }
2606 second += (d - zList[i] < 120); // count in-range ads
2607 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2611 second = (second > 1);
2612 if(displayed != closest || second != lastSecond) {
2613 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2614 lastSecond = second; displayed = closest;
2616 if(click == Press) {
2617 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2620 } // on press 'hit', only show info
2621 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2622 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2623 SendToICS(ics_prefix);
2625 return TRUE; // let incoming board of started game pop down the graph
2626 } else if(click == Release) { // release 'miss' is ignored
2627 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2628 if(moving == 2) { // right up-click
2629 nrOfSeekAds = 0; // refresh graph
2630 soughtPending = TRUE;
2631 SendToICS(ics_prefix);
2632 SendToICS("sought\n"); // should this be "sought all"?
2635 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2636 // press miss or release hit 'pop down' seek graph
2637 seekGraphUp = FALSE;
2638 DrawPosition(TRUE, NULL);
2644 read_from_ics(isr, closure, data, count, error)
2651 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2652 #define STARTED_NONE 0
2653 #define STARTED_MOVES 1
2654 #define STARTED_BOARD 2
2655 #define STARTED_OBSERVE 3
2656 #define STARTED_HOLDINGS 4
2657 #define STARTED_CHATTER 5
2658 #define STARTED_COMMENT 6
2659 #define STARTED_MOVES_NOHIDE 7
2661 static int started = STARTED_NONE;
2662 static char parse[20000];
2663 static int parse_pos = 0;
2664 static char buf[BUF_SIZE + 1];
2665 static int firstTime = TRUE, intfSet = FALSE;
2666 static ColorClass prevColor = ColorNormal;
2667 static int savingComment = FALSE;
2668 static int cmatch = 0; // continuation sequence match
2675 int backup; /* [DM] For zippy color lines */
2677 char talker[MSG_SIZ]; // [HGM] chat
2680 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2682 if (appData.debugMode) {
2684 fprintf(debugFP, "<ICS: ");
2685 show_bytes(debugFP, data, count);
2686 fprintf(debugFP, "\n");
2690 if (appData.debugMode) { int f = forwardMostMove;
2691 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2692 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2693 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2696 /* If last read ended with a partial line that we couldn't parse,
2697 prepend it to the new read and try again. */
2698 if (leftover_len > 0) {
2699 for (i=0; i<leftover_len; i++)
2700 buf[i] = buf[leftover_start + i];
2703 /* copy new characters into the buffer */
2704 bp = buf + leftover_len;
2705 buf_len=leftover_len;
2706 for (i=0; i<count; i++)
2709 if (data[i] == '\r')
2712 // join lines split by ICS?
2713 if (!appData.noJoin)
2716 Joining just consists of finding matches against the
2717 continuation sequence, and discarding that sequence
2718 if found instead of copying it. So, until a match
2719 fails, there's nothing to do since it might be the
2720 complete sequence, and thus, something we don't want
2723 if (data[i] == cont_seq[cmatch])
2726 if (cmatch == strlen(cont_seq))
2728 cmatch = 0; // complete match. just reset the counter
2731 it's possible for the ICS to not include the space
2732 at the end of the last word, making our [correct]
2733 join operation fuse two separate words. the server
2734 does this when the space occurs at the width setting.
2736 if (!buf_len || buf[buf_len-1] != ' ')
2747 match failed, so we have to copy what matched before
2748 falling through and copying this character. In reality,
2749 this will only ever be just the newline character, but
2750 it doesn't hurt to be precise.
2752 strncpy(bp, cont_seq, cmatch);
2764 buf[buf_len] = NULLCHAR;
2765 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2770 while (i < buf_len) {
2771 /* Deal with part of the TELNET option negotiation
2772 protocol. We refuse to do anything beyond the
2773 defaults, except that we allow the WILL ECHO option,
2774 which ICS uses to turn off password echoing when we are
2775 directly connected to it. We reject this option
2776 if localLineEditing mode is on (always on in xboard)
2777 and we are talking to port 23, which might be a real
2778 telnet server that will try to keep WILL ECHO on permanently.
2780 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2781 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2782 unsigned char option;
2784 switch ((unsigned char) buf[++i]) {
2786 if (appData.debugMode)
2787 fprintf(debugFP, "\n<WILL ");
2788 switch (option = (unsigned char) buf[++i]) {
2790 if (appData.debugMode)
2791 fprintf(debugFP, "ECHO ");
2792 /* Reply only if this is a change, according
2793 to the protocol rules. */
2794 if (remoteEchoOption) break;
2795 if (appData.localLineEditing &&
2796 atoi(appData.icsPort) == TN_PORT) {
2797 TelnetRequest(TN_DONT, TN_ECHO);
2800 TelnetRequest(TN_DO, TN_ECHO);
2801 remoteEchoOption = TRUE;
2805 if (appData.debugMode)
2806 fprintf(debugFP, "%d ", option);
2807 /* Whatever this is, we don't want it. */
2808 TelnetRequest(TN_DONT, option);
2813 if (appData.debugMode)
2814 fprintf(debugFP, "\n<WONT ");
2815 switch (option = (unsigned char) buf[++i]) {
2817 if (appData.debugMode)
2818 fprintf(debugFP, "ECHO ");
2819 /* Reply only if this is a change, according
2820 to the protocol rules. */
2821 if (!remoteEchoOption) break;
2823 TelnetRequest(TN_DONT, TN_ECHO);
2824 remoteEchoOption = FALSE;
2827 if (appData.debugMode)
2828 fprintf(debugFP, "%d ", (unsigned char) option);
2829 /* Whatever this is, it must already be turned
2830 off, because we never agree to turn on
2831 anything non-default, so according to the
2832 protocol rules, we don't reply. */
2837 if (appData.debugMode)
2838 fprintf(debugFP, "\n<DO ");
2839 switch (option = (unsigned char) buf[++i]) {
2841 /* Whatever this is, we refuse to do it. */
2842 if (appData.debugMode)
2843 fprintf(debugFP, "%d ", option);
2844 TelnetRequest(TN_WONT, option);
2849 if (appData.debugMode)
2850 fprintf(debugFP, "\n<DONT ");
2851 switch (option = (unsigned char) buf[++i]) {
2853 if (appData.debugMode)
2854 fprintf(debugFP, "%d ", option);
2855 /* Whatever this is, we are already not doing
2856 it, because we never agree to do anything
2857 non-default, so according to the protocol
2858 rules, we don't reply. */
2863 if (appData.debugMode)
2864 fprintf(debugFP, "\n<IAC ");
2865 /* Doubled IAC; pass it through */
2869 if (appData.debugMode)
2870 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2871 /* Drop all other telnet commands on the floor */
2874 if (oldi > next_out)
2875 SendToPlayer(&buf[next_out], oldi - next_out);
2881 /* OK, this at least will *usually* work */
2882 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2886 if (loggedOn && !intfSet) {
2887 if (ics_type == ICS_ICC) {
2888 snprintf(str, MSG_SIZ,
2889 "/set-quietly interface %s\n/set-quietly style 12\n",
2891 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2892 strcat(str, "/set-2 51 1\n/set seek 1\n");
2893 } else if (ics_type == ICS_CHESSNET) {
2894 snprintf(str, MSG_SIZ, "/style 12\n");
2896 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2897 strcat(str, programVersion);
2898 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2899 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2900 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2902 strcat(str, "$iset nohighlight 1\n");
2904 strcat(str, "$iset lock 1\n$style 12\n");
2907 NotifyFrontendLogin();
2911 if (started == STARTED_COMMENT) {
2912 /* Accumulate characters in comment */
2913 parse[parse_pos++] = buf[i];
2914 if (buf[i] == '\n') {
2915 parse[parse_pos] = NULLCHAR;
2916 if(chattingPartner>=0) {
2918 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2919 OutputChatMessage(chattingPartner, mess);
2920 chattingPartner = -1;
2921 next_out = i+1; // [HGM] suppress printing in ICS window
2923 if(!suppressKibitz) // [HGM] kibitz
2924 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2925 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2926 int nrDigit = 0, nrAlph = 0, j;
2927 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2928 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2929 parse[parse_pos] = NULLCHAR;
2930 // try to be smart: if it does not look like search info, it should go to
2931 // ICS interaction window after all, not to engine-output window.
2932 for(j=0; j<parse_pos; j++) { // count letters and digits
2933 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2934 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2935 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2937 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2938 int depth=0; float score;
2939 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2940 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2941 pvInfoList[forwardMostMove-1].depth = depth;
2942 pvInfoList[forwardMostMove-1].score = 100*score;
2944 OutputKibitz(suppressKibitz, parse);
2947 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2948 SendToPlayer(tmp, strlen(tmp));
2950 next_out = i+1; // [HGM] suppress printing in ICS window
2952 started = STARTED_NONE;
2954 /* Don't match patterns against characters in comment */
2959 if (started == STARTED_CHATTER) {
2960 if (buf[i] != '\n') {
2961 /* Don't match patterns against characters in chatter */
2965 started = STARTED_NONE;
2966 if(suppressKibitz) next_out = i+1;
2969 /* Kludge to deal with rcmd protocol */
2970 if (firstTime && looking_at(buf, &i, "\001*")) {
2971 DisplayFatalError(&buf[1], 0, 1);
2977 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2980 if (appData.debugMode)
2981 fprintf(debugFP, "ics_type %d\n", ics_type);
2984 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2985 ics_type = ICS_FICS;
2987 if (appData.debugMode)
2988 fprintf(debugFP, "ics_type %d\n", ics_type);
2991 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2992 ics_type = ICS_CHESSNET;
2994 if (appData.debugMode)
2995 fprintf(debugFP, "ics_type %d\n", ics_type);
3000 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3001 looking_at(buf, &i, "Logging you in as \"*\"") ||
3002 looking_at(buf, &i, "will be \"*\""))) {
3003 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3007 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3009 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3010 DisplayIcsInteractionTitle(buf);
3011 have_set_title = TRUE;
3014 /* skip finger notes */
3015 if (started == STARTED_NONE &&
3016 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3017 (buf[i] == '1' && buf[i+1] == '0')) &&
3018 buf[i+2] == ':' && buf[i+3] == ' ') {
3019 started = STARTED_CHATTER;
3025 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3026 if(appData.seekGraph) {
3027 if(soughtPending && MatchSoughtLine(buf+i)) {
3028 i = strstr(buf+i, "rated") - buf;
3029 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3030 next_out = leftover_start = i;
3031 started = STARTED_CHATTER;
3032 suppressKibitz = TRUE;
3035 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3036 && looking_at(buf, &i, "* ads displayed")) {
3037 soughtPending = FALSE;
3042 if(appData.autoRefresh) {
3043 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3044 int s = (ics_type == ICS_ICC); // ICC format differs
3046 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3047 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3048 looking_at(buf, &i, "*% "); // eat prompt
3049 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3050 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3051 next_out = i; // suppress
3054 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3055 char *p = star_match[0];
3057 if(seekGraphUp) RemoveSeekAd(atoi(p));
3058 while(*p && *p++ != ' '); // next
3060 looking_at(buf, &i, "*% "); // eat prompt
3061 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3068 /* skip formula vars */
3069 if (started == STARTED_NONE &&
3070 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3071 started = STARTED_CHATTER;
3076 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3077 if (appData.autoKibitz && started == STARTED_NONE &&
3078 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3079 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3080 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3081 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3082 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3083 suppressKibitz = TRUE;
3084 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3086 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3087 && (gameMode == IcsPlayingWhite)) ||
3088 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3089 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3090 started = STARTED_CHATTER; // own kibitz we simply discard
3092 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3093 parse_pos = 0; parse[0] = NULLCHAR;
3094 savingComment = TRUE;
3095 suppressKibitz = gameMode != IcsObserving ? 2 :
3096 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3100 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3101 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3102 && atoi(star_match[0])) {
3103 // suppress the acknowledgements of our own autoKibitz
3105 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3106 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3107 SendToPlayer(star_match[0], strlen(star_match[0]));
3108 if(looking_at(buf, &i, "*% ")) // eat prompt
3109 suppressKibitz = FALSE;
3113 } // [HGM] kibitz: end of patch
3115 // [HGM] chat: intercept tells by users for which we have an open chat window
3117 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3118 looking_at(buf, &i, "* whispers:") ||
3119 looking_at(buf, &i, "* kibitzes:") ||
3120 looking_at(buf, &i, "* shouts:") ||
3121 looking_at(buf, &i, "* c-shouts:") ||
3122 looking_at(buf, &i, "--> * ") ||
3123 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3124 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3125 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3126 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3128 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3129 chattingPartner = -1;
3131 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3132 for(p=0; p<MAX_CHAT; p++) {
3133 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3134 talker[0] = '['; strcat(talker, "] ");
3135 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3136 chattingPartner = p; break;
3139 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3140 for(p=0; p<MAX_CHAT; p++) {
3141 if(!strcmp("kibitzes", chatPartner[p])) {
3142 talker[0] = '['; strcat(talker, "] ");
3143 chattingPartner = p; break;
3146 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3147 for(p=0; p<MAX_CHAT; p++) {
3148 if(!strcmp("whispers", chatPartner[p])) {
3149 talker[0] = '['; strcat(talker, "] ");
3150 chattingPartner = p; break;
3153 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3154 if(buf[i-8] == '-' && buf[i-3] == 't')
3155 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3156 if(!strcmp("c-shouts", chatPartner[p])) {
3157 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3158 chattingPartner = p; break;
3161 if(chattingPartner < 0)
3162 for(p=0; p<MAX_CHAT; p++) {
3163 if(!strcmp("shouts", chatPartner[p])) {
3164 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3165 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3166 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3167 chattingPartner = p; break;
3171 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3172 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3173 talker[0] = 0; Colorize(ColorTell, FALSE);
3174 chattingPartner = p; break;
3176 if(chattingPartner<0) i = oldi; else {
3177 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3178 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3179 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3180 started = STARTED_COMMENT;
3181 parse_pos = 0; parse[0] = NULLCHAR;
3182 savingComment = 3 + chattingPartner; // counts as TRUE
3183 suppressKibitz = TRUE;
3186 } // [HGM] chat: end of patch
3189 if (appData.zippyTalk || appData.zippyPlay) {
3190 /* [DM] Backup address for color zippy lines */
3192 if (loggedOn == TRUE)
3193 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3194 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3196 } // [DM] 'else { ' deleted
3198 /* Regular tells and says */
3199 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3200 looking_at(buf, &i, "* (your partner) tells you: ") ||
3201 looking_at(buf, &i, "* says: ") ||
3202 /* Don't color "message" or "messages" output */
3203 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3204 looking_at(buf, &i, "*. * at *:*: ") ||
3205 looking_at(buf, &i, "--* (*:*): ") ||
3206 /* Message notifications (same color as tells) */
3207 looking_at(buf, &i, "* has left a message ") ||
3208 looking_at(buf, &i, "* just sent you a message:\n") ||
3209 /* Whispers and kibitzes */
3210 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3211 looking_at(buf, &i, "* kibitzes: ") ||
3213 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3215 if (tkind == 1 && strchr(star_match[0], ':')) {
3216 /* Avoid "tells you:" spoofs in channels */
3219 if (star_match[0][0] == NULLCHAR ||
3220 strchr(star_match[0], ' ') ||
3221 (tkind == 3 && strchr(star_match[1], ' '))) {
3222 /* Reject bogus matches */
3225 if (appData.colorize) {
3226 if (oldi > next_out) {
3227 SendToPlayer(&buf[next_out], oldi - next_out);
3232 Colorize(ColorTell, FALSE);
3233 curColor = ColorTell;
3236 Colorize(ColorKibitz, FALSE);
3237 curColor = ColorKibitz;
3240 p = strrchr(star_match[1], '(');
3247 Colorize(ColorChannel1, FALSE);
3248 curColor = ColorChannel1;
3250 Colorize(ColorChannel, FALSE);
3251 curColor = ColorChannel;
3255 curColor = ColorNormal;
3259 if (started == STARTED_NONE && appData.autoComment &&
3260 (gameMode == IcsObserving ||
3261 gameMode == IcsPlayingWhite ||
3262 gameMode == IcsPlayingBlack)) {
3263 parse_pos = i - oldi;
3264 memcpy(parse, &buf[oldi], parse_pos);
3265 parse[parse_pos] = NULLCHAR;
3266 started = STARTED_COMMENT;
3267 savingComment = TRUE;
3269 started = STARTED_CHATTER;
3270 savingComment = FALSE;
3277 if (looking_at(buf, &i, "* s-shouts: ") ||
3278 looking_at(buf, &i, "* c-shouts: ")) {
3279 if (appData.colorize) {
3280 if (oldi > next_out) {
3281 SendToPlayer(&buf[next_out], oldi - next_out);
3284 Colorize(ColorSShout, FALSE);
3285 curColor = ColorSShout;
3288 started = STARTED_CHATTER;
3292 if (looking_at(buf, &i, "--->")) {
3297 if (looking_at(buf, &i, "* shouts: ") ||
3298 looking_at(buf, &i, "--> ")) {
3299 if (appData.colorize) {
3300 if (oldi > next_out) {
3301 SendToPlayer(&buf[next_out], oldi - next_out);
3304 Colorize(ColorShout, FALSE);
3305 curColor = ColorShout;
3308 started = STARTED_CHATTER;
3312 if (looking_at( buf, &i, "Challenge:")) {
3313 if (appData.colorize) {
3314 if (oldi > next_out) {
3315 SendToPlayer(&buf[next_out], oldi - next_out);
3318 Colorize(ColorChallenge, FALSE);
3319 curColor = ColorChallenge;
3325 if (looking_at(buf, &i, "* offers you") ||
3326 looking_at(buf, &i, "* offers to be") ||
3327 looking_at(buf, &i, "* would like to") ||
3328 looking_at(buf, &i, "* requests to") ||
3329 looking_at(buf, &i, "Your opponent offers") ||
3330 looking_at(buf, &i, "Your opponent requests")) {
3332 if (appData.colorize) {
3333 if (oldi > next_out) {
3334 SendToPlayer(&buf[next_out], oldi - next_out);
3337 Colorize(ColorRequest, FALSE);
3338 curColor = ColorRequest;
3343 if (looking_at(buf, &i, "* (*) seeking")) {
3344 if (appData.colorize) {
3345 if (oldi > next_out) {
3346 SendToPlayer(&buf[next_out], oldi - next_out);
3349 Colorize(ColorSeek, FALSE);
3350 curColor = ColorSeek;
3355 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3357 if (looking_at(buf, &i, "\\ ")) {
3358 if (prevColor != ColorNormal) {
3359 if (oldi > next_out) {
3360 SendToPlayer(&buf[next_out], oldi - next_out);
3363 Colorize(prevColor, TRUE);
3364 curColor = prevColor;
3366 if (savingComment) {
3367 parse_pos = i - oldi;
3368 memcpy(parse, &buf[oldi], parse_pos);
3369 parse[parse_pos] = NULLCHAR;
3370 started = STARTED_COMMENT;
3371 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3372 chattingPartner = savingComment - 3; // kludge to remember the box
3374 started = STARTED_CHATTER;
3379 if (looking_at(buf, &i, "Black Strength :") ||
3380 looking_at(buf, &i, "<<< style 10 board >>>") ||
3381 looking_at(buf, &i, "<10>") ||
3382 looking_at(buf, &i, "#@#")) {
3383 /* Wrong board style */
3385 SendToICS(ics_prefix);
3386 SendToICS("set style 12\n");
3387 SendToICS(ics_prefix);
3388 SendToICS("refresh\n");
3392 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3394 have_sent_ICS_logon = 1;
3398 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3399 (looking_at(buf, &i, "\n<12> ") ||
3400 looking_at(buf, &i, "<12> "))) {
3402 if (oldi > next_out) {
3403 SendToPlayer(&buf[next_out], oldi - next_out);
3406 started = STARTED_BOARD;
3411 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3412 looking_at(buf, &i, "<b1> ")) {
3413 if (oldi > next_out) {
3414 SendToPlayer(&buf[next_out], oldi - next_out);
3417 started = STARTED_HOLDINGS;
3422 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3424 /* Header for a move list -- first line */
3426 switch (ics_getting_history) {
3430 case BeginningOfGame:
3431 /* User typed "moves" or "oldmoves" while we
3432 were idle. Pretend we asked for these
3433 moves and soak them up so user can step
3434 through them and/or save them.
3437 gameMode = IcsObserving;
3440 ics_getting_history = H_GOT_UNREQ_HEADER;
3442 case EditGame: /*?*/
3443 case EditPosition: /*?*/
3444 /* Should above feature work in these modes too? */
3445 /* For now it doesn't */
3446 ics_getting_history = H_GOT_UNWANTED_HEADER;
3449 ics_getting_history = H_GOT_UNWANTED_HEADER;
3454 /* Is this the right one? */
3455 if (gameInfo.white && gameInfo.black &&
3456 strcmp(gameInfo.white, star_match[0]) == 0 &&
3457 strcmp(gameInfo.black, star_match[2]) == 0) {
3459 ics_getting_history = H_GOT_REQ_HEADER;
3462 case H_GOT_REQ_HEADER:
3463 case H_GOT_UNREQ_HEADER:
3464 case H_GOT_UNWANTED_HEADER:
3465 case H_GETTING_MOVES:
3466 /* Should not happen */
3467 DisplayError(_("Error gathering move list: two headers"), 0);
3468 ics_getting_history = H_FALSE;
3472 /* Save player ratings into gameInfo if needed */
3473 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3474 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3475 (gameInfo.whiteRating == -1 ||
3476 gameInfo.blackRating == -1)) {
3478 gameInfo.whiteRating = string_to_rating(star_match[1]);
3479 gameInfo.blackRating = string_to_rating(star_match[3]);
3480 if (appData.debugMode)
3481 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3482 gameInfo.whiteRating, gameInfo.blackRating);
3487 if (looking_at(buf, &i,
3488 "* * match, initial time: * minute*, increment: * second")) {
3489 /* Header for a move list -- second line */
3490 /* Initial board will follow if this is a wild game */
3491 if (gameInfo.event != NULL) free(gameInfo.event);
3492 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3493 gameInfo.event = StrSave(str);
3494 /* [HGM] we switched variant. Translate boards if needed. */
3495 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3499 if (looking_at(buf, &i, "Move ")) {
3500 /* Beginning of a move list */
3501 switch (ics_getting_history) {
3503 /* Normally should not happen */
3504 /* Maybe user hit reset while we were parsing */
3507 /* Happens if we are ignoring a move list that is not
3508 * the one we just requested. Common if the user
3509 * tries to observe two games without turning off
3512 case H_GETTING_MOVES:
3513 /* Should not happen */
3514 DisplayError(_("Error gathering move list: nested"), 0);
3515 ics_getting_history = H_FALSE;
3517 case H_GOT_REQ_HEADER:
3518 ics_getting_history = H_GETTING_MOVES;
3519 started = STARTED_MOVES;
3521 if (oldi > next_out) {
3522 SendToPlayer(&buf[next_out], oldi - next_out);
3525 case H_GOT_UNREQ_HEADER:
3526 ics_getting_history = H_GETTING_MOVES;
3527 started = STARTED_MOVES_NOHIDE;
3530 case H_GOT_UNWANTED_HEADER:
3531 ics_getting_history = H_FALSE;
3537 if (looking_at(buf, &i, "% ") ||
3538 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3539 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3540 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3541 soughtPending = FALSE;
3545 if(suppressKibitz) next_out = i;
3546 savingComment = FALSE;
3550 case STARTED_MOVES_NOHIDE:
3551 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3552 parse[parse_pos + i - oldi] = NULLCHAR;
3553 ParseGameHistory(parse);
3555 if (appData.zippyPlay && first.initDone) {
3556 FeedMovesToProgram(&first, forwardMostMove);
3557 if (gameMode == IcsPlayingWhite) {
3558 if (WhiteOnMove(forwardMostMove)) {
3559 if (first.sendTime) {
3560 if (first.useColors) {
3561 SendToProgram("black\n", &first);
3563 SendTimeRemaining(&first, TRUE);
3565 if (first.useColors) {
3566 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3568 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3569 first.maybeThinking = TRUE;
3571 if (first.usePlayother) {
3572 if (first.sendTime) {
3573 SendTimeRemaining(&first, TRUE);
3575 SendToProgram("playother\n", &first);
3581 } else if (gameMode == IcsPlayingBlack) {
3582 if (!WhiteOnMove(forwardMostMove)) {
3583 if (first.sendTime) {
3584 if (first.useColors) {
3585 SendToProgram("white\n", &first);
3587 SendTimeRemaining(&first, FALSE);
3589 if (first.useColors) {
3590 SendToProgram("black\n", &first);
3592 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3593 first.maybeThinking = TRUE;
3595 if (first.usePlayother) {
3596 if (first.sendTime) {
3597 SendTimeRemaining(&first, FALSE);
3599 SendToProgram("playother\n", &first);
3608 if (gameMode == IcsObserving && ics_gamenum == -1) {
3609 /* Moves came from oldmoves or moves command
3610 while we weren't doing anything else.
3612 currentMove = forwardMostMove;
3613 ClearHighlights();/*!!could figure this out*/
3614 flipView = appData.flipView;
3615 DrawPosition(TRUE, boards[currentMove]);
3616 DisplayBothClocks();
3617 snprintf(str, MSG_SIZ, "%s vs. %s",
3618 gameInfo.white, gameInfo.black);
3622 /* Moves were history of an active game */
3623 if (gameInfo.resultDetails != NULL) {
3624 free(gameInfo.resultDetails);
3625 gameInfo.resultDetails = NULL;
3628 HistorySet(parseList, backwardMostMove,
3629 forwardMostMove, currentMove-1);
3630 DisplayMove(currentMove - 1);
3631 if (started == STARTED_MOVES) next_out = i;
3632 started = STARTED_NONE;
3633 ics_getting_history = H_FALSE;
3636 case STARTED_OBSERVE:
3637 started = STARTED_NONE;
3638 SendToICS(ics_prefix);
3639 SendToICS("refresh\n");
3645 if(bookHit) { // [HGM] book: simulate book reply
3646 static char bookMove[MSG_SIZ]; // a bit generous?
3648 programStats.nodes = programStats.depth = programStats.time =
3649 programStats.score = programStats.got_only_move = 0;
3650 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3652 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3653 strcat(bookMove, bookHit);
3654 HandleMachineMove(bookMove, &first);
3659 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3660 started == STARTED_HOLDINGS ||
3661 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3662 /* Accumulate characters in move list or board */
3663 parse[parse_pos++] = buf[i];
3666 /* Start of game messages. Mostly we detect start of game
3667 when the first board image arrives. On some versions
3668 of the ICS, though, we need to do a "refresh" after starting
3669 to observe in order to get the current board right away. */
3670 if (looking_at(buf, &i, "Adding game * to observation list")) {
3671 started = STARTED_OBSERVE;
3675 /* Handle auto-observe */
3676 if (appData.autoObserve &&
3677 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3678 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3680 /* Choose the player that was highlighted, if any. */
3681 if (star_match[0][0] == '\033' ||
3682 star_match[1][0] != '\033') {
3683 player = star_match[0];
3685 player = star_match[2];
3687 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3688 ics_prefix, StripHighlightAndTitle(player));
3691 /* Save ratings from notify string */
3692 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3693 player1Rating = string_to_rating(star_match[1]);
3694 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3695 player2Rating = string_to_rating(star_match[3]);
3697 if (appData.debugMode)
3699 "Ratings from 'Game notification:' %s %d, %s %d\n",
3700 player1Name, player1Rating,
3701 player2Name, player2Rating);
3706 /* Deal with automatic examine mode after a game,
3707 and with IcsObserving -> IcsExamining transition */
3708 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3709 looking_at(buf, &i, "has made you an examiner of game *")) {
3711 int gamenum = atoi(star_match[0]);
3712 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3713 gamenum == ics_gamenum) {
3714 /* We were already playing or observing this game;
3715 no need to refetch history */
3716 gameMode = IcsExamining;
3718 pauseExamForwardMostMove = forwardMostMove;
3719 } else if (currentMove < forwardMostMove) {
3720 ForwardInner(forwardMostMove);
3723 /* I don't think this case really can happen */
3724 SendToICS(ics_prefix);
3725 SendToICS("refresh\n");
3730 /* Error messages */
3731 // if (ics_user_moved) {
3732 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3733 if (looking_at(buf, &i, "Illegal move") ||
3734 looking_at(buf, &i, "Not a legal move") ||
3735 looking_at(buf, &i, "Your king is in check") ||
3736 looking_at(buf, &i, "It isn't your turn") ||
3737 looking_at(buf, &i, "It is not your move")) {
3739 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3740 currentMove = forwardMostMove-1;
3741 DisplayMove(currentMove - 1); /* before DMError */
3742 DrawPosition(FALSE, boards[currentMove]);
3743 SwitchClocks(forwardMostMove-1); // [HGM] race
3744 DisplayBothClocks();
3746 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3752 if (looking_at(buf, &i, "still have time") ||
3753 looking_at(buf, &i, "not out of time") ||
3754 looking_at(buf, &i, "either player is out of time") ||
3755 looking_at(buf, &i, "has timeseal; checking")) {
3756 /* We must have called his flag a little too soon */
3757 whiteFlag = blackFlag = FALSE;
3761 if (looking_at(buf, &i, "added * seconds to") ||
3762 looking_at(buf, &i, "seconds were added to")) {
3763 /* Update the clocks */
3764 SendToICS(ics_prefix);
3765 SendToICS("refresh\n");
3769 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3770 ics_clock_paused = TRUE;
3775 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3776 ics_clock_paused = FALSE;
3781 /* Grab player ratings from the Creating: message.
3782 Note we have to check for the special case when
3783 the ICS inserts things like [white] or [black]. */
3784 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3785 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3787 0 player 1 name (not necessarily white)
3789 2 empty, white, or black (IGNORED)
3790 3 player 2 name (not necessarily black)
3793 The names/ratings are sorted out when the game
3794 actually starts (below).
3796 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3797 player1Rating = string_to_rating(star_match[1]);
3798 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3799 player2Rating = string_to_rating(star_match[4]);
3801 if (appData.debugMode)
3803 "Ratings from 'Creating:' %s %d, %s %d\n",
3804 player1Name, player1Rating,
3805 player2Name, player2Rating);
3810 /* Improved generic start/end-of-game messages */
3811 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3812 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3813 /* If tkind == 0: */
3814 /* star_match[0] is the game number */
3815 /* [1] is the white player's name */
3816 /* [2] is the black player's name */
3817 /* For end-of-game: */
3818 /* [3] is the reason for the game end */
3819 /* [4] is a PGN end game-token, preceded by " " */
3820 /* For start-of-game: */
3821 /* [3] begins with "Creating" or "Continuing" */
3822 /* [4] is " *" or empty (don't care). */
3823 int gamenum = atoi(star_match[0]);
3824 char *whitename, *blackname, *why, *endtoken;
3825 ChessMove endtype = EndOfFile;
3828 whitename = star_match[1];
3829 blackname = star_match[2];
3830 why = star_match[3];
3831 endtoken = star_match[4];
3833 whitename = star_match[1];
3834 blackname = star_match[3];
3835 why = star_match[5];
3836 endtoken = star_match[6];
3839 /* Game start messages */
3840 if (strncmp(why, "Creating ", 9) == 0 ||
3841 strncmp(why, "Continuing ", 11) == 0) {
3842 gs_gamenum = gamenum;
3843 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3844 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3846 if (appData.zippyPlay) {
3847 ZippyGameStart(whitename, blackname);
3850 partnerBoardValid = FALSE; // [HGM] bughouse
3854 /* Game end messages */
3855 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3856 ics_gamenum != gamenum) {
3859 while (endtoken[0] == ' ') endtoken++;
3860 switch (endtoken[0]) {
3863 endtype = GameUnfinished;
3866 endtype = BlackWins;
3869 if (endtoken[1] == '/')
3870 endtype = GameIsDrawn;
3872 endtype = WhiteWins;
3875 GameEnds(endtype, why, GE_ICS);
3877 if (appData.zippyPlay && first.initDone) {
3878 ZippyGameEnd(endtype, why);
3879 if (first.pr == NULL) {
3880 /* Start the next process early so that we'll
3881 be ready for the next challenge */
3882 StartChessProgram(&first);
3884 /* Send "new" early, in case this command takes
3885 a long time to finish, so that we'll be ready
3886 for the next challenge. */
3887 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3891 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3895 if (looking_at(buf, &i, "Removing game * from observation") ||
3896 looking_at(buf, &i, "no longer observing game *") ||
3897 looking_at(buf, &i, "Game * (*) has no examiners")) {
3898 if (gameMode == IcsObserving &&
3899 atoi(star_match[0]) == ics_gamenum)
3901 /* icsEngineAnalyze */
3902 if (appData.icsEngineAnalyze) {
3909 ics_user_moved = FALSE;
3914 if (looking_at(buf, &i, "no longer examining game *")) {
3915 if (gameMode == IcsExamining &&
3916 atoi(star_match[0]) == ics_gamenum)
3920 ics_user_moved = FALSE;
3925 /* Advance leftover_start past any newlines we find,
3926 so only partial lines can get reparsed */
3927 if (looking_at(buf, &i, "\n")) {
3928 prevColor = curColor;
3929 if (curColor != ColorNormal) {
3930 if (oldi > next_out) {
3931 SendToPlayer(&buf[next_out], oldi - next_out);
3934 Colorize(ColorNormal, FALSE);
3935 curColor = ColorNormal;
3937 if (started == STARTED_BOARD) {
3938 started = STARTED_NONE;
3939 parse[parse_pos] = NULLCHAR;
3940 ParseBoard12(parse);
3943 /* Send premove here */
3944 if (appData.premove) {
3946 if (currentMove == 0 &&
3947 gameMode == IcsPlayingWhite &&
3948 appData.premoveWhite) {
3949 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3950 if (appData.debugMode)
3951 fprintf(debugFP, "Sending premove:\n");
3953 } else if (currentMove == 1 &&
3954 gameMode == IcsPlayingBlack &&
3955 appData.premoveBlack) {
3956 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3957 if (appData.debugMode)
3958 fprintf(debugFP, "Sending premove:\n");
3960 } else if (gotPremove) {
3962 ClearPremoveHighlights();
3963 if (appData.debugMode)
3964 fprintf(debugFP, "Sending premove:\n");
3965 UserMoveEvent(premoveFromX, premoveFromY,
3966 premoveToX, premoveToY,
3971 /* Usually suppress following prompt */
3972 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3973 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3974 if (looking_at(buf, &i, "*% ")) {
3975 savingComment = FALSE;
3980 } else if (started == STARTED_HOLDINGS) {
3982 char new_piece[MSG_SIZ];
3983 started = STARTED_NONE;
3984 parse[parse_pos] = NULLCHAR;
3985 if (appData.debugMode)
3986 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3987 parse, currentMove);
3988 if (sscanf(parse, " game %d", &gamenum) == 1) {
3989 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3990 if (gameInfo.variant == VariantNormal) {
3991 /* [HGM] We seem to switch variant during a game!
3992 * Presumably no holdings were displayed, so we have
3993 * to move the position two files to the right to
3994 * create room for them!
3996 VariantClass newVariant;
3997 switch(gameInfo.boardWidth) { // base guess on board width
3998 case 9: newVariant = VariantShogi; break;
3999 case 10: newVariant = VariantGreat; break;
4000 default: newVariant = VariantCrazyhouse; break;
4002 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4003 /* Get a move list just to see the header, which
4004 will tell us whether this is really bug or zh */
4005 if (ics_getting_history == H_FALSE) {
4006 ics_getting_history = H_REQUESTED;
4007 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4011 new_piece[0] = NULLCHAR;
4012 sscanf(parse, "game %d white [%s black [%s <- %s",
4013 &gamenum, white_holding, black_holding,
4015 white_holding[strlen(white_holding)-1] = NULLCHAR;
4016 black_holding[strlen(black_holding)-1] = NULLCHAR;
4017 /* [HGM] copy holdings to board holdings area */
4018 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4019 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4020 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4022 if (appData.zippyPlay && first.initDone) {
4023 ZippyHoldings(white_holding, black_holding,
4027 if (tinyLayout || smallLayout) {
4028 char wh[16], bh[16];
4029 PackHolding(wh, white_holding);
4030 PackHolding(bh, black_holding);
4031 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4032 gameInfo.white, gameInfo.black);
4034 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4035 gameInfo.white, white_holding,
4036 gameInfo.black, black_holding);
4038 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4039 DrawPosition(FALSE, boards[currentMove]);
4041 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4042 sscanf(parse, "game %d white [%s black [%s <- %s",
4043 &gamenum, white_holding, black_holding,
4045 white_holding[strlen(white_holding)-1] = NULLCHAR;
4046 black_holding[strlen(black_holding)-1] = NULLCHAR;
4047 /* [HGM] copy holdings to partner-board holdings area */
4048 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4049 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4050 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4051 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4052 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4055 /* Suppress following prompt */
4056 if (looking_at(buf, &i, "*% ")) {
4057 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4058 savingComment = FALSE;
4066 i++; /* skip unparsed character and loop back */
4069 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4070 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4071 // SendToPlayer(&buf[next_out], i - next_out);
4072 started != STARTED_HOLDINGS && leftover_start > next_out) {
4073 SendToPlayer(&buf[next_out], leftover_start - next_out);
4077 leftover_len = buf_len - leftover_start;
4078 /* if buffer ends with something we couldn't parse,
4079 reparse it after appending the next read */
4081 } else if (count == 0) {
4082 RemoveInputSource(isr);
4083 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4085 DisplayFatalError(_("Error reading from ICS"), error, 1);
4090 /* Board style 12 looks like this:
4092 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4094 * The "<12> " is stripped before it gets to this routine. The two
4095 * trailing 0's (flip state and clock ticking) are later addition, and
4096 * some chess servers may not have them, or may have only the first.
4097 * Additional trailing fields may be added in the future.
4100 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4102 #define RELATION_OBSERVING_PLAYED 0
4103 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4104 #define RELATION_PLAYING_MYMOVE 1
4105 #define RELATION_PLAYING_NOTMYMOVE -1
4106 #define RELATION_EXAMINING 2
4107 #define RELATION_ISOLATED_BOARD -3
4108 #define RELATION_STARTING_POSITION -4 /* FICS only */
4111 ParseBoard12(string)
4114 GameMode newGameMode;
4115 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4116 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4117 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4118 char to_play, board_chars[200];
4119 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4120 char black[32], white[32];
4122 int prevMove = currentMove;
4125 int fromX, fromY, toX, toY;
4127 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4128 char *bookHit = NULL; // [HGM] book
4129 Boolean weird = FALSE, reqFlag = FALSE;
4131 fromX = fromY = toX = toY = -1;
4135 if (appData.debugMode)
4136 fprintf(debugFP, _("Parsing board: %s\n"), string);
4138 move_str[0] = NULLCHAR;
4139 elapsed_time[0] = NULLCHAR;
4140 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4142 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4143 if(string[i] == ' ') { ranks++; files = 0; }
4145 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4148 for(j = 0; j <i; j++) board_chars[j] = string[j];
4149 board_chars[i] = '\0';
4152 n = sscanf(string, PATTERN, &to_play, &double_push,
4153 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4154 &gamenum, white, black, &relation, &basetime, &increment,
4155 &white_stren, &black_stren, &white_time, &black_time,
4156 &moveNum, str, elapsed_time, move_str, &ics_flip,
4160 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4161 DisplayError(str, 0);
4165 /* Convert the move number to internal form */
4166 moveNum = (moveNum - 1) * 2;
4167 if (to_play == 'B') moveNum++;
4168 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4169 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4175 case RELATION_OBSERVING_PLAYED:
4176 case RELATION_OBSERVING_STATIC:
4177 if (gamenum == -1) {
4178 /* Old ICC buglet */
4179 relation = RELATION_OBSERVING_STATIC;
4181 newGameMode = IcsObserving;
4183 case RELATION_PLAYING_MYMOVE:
4184 case RELATION_PLAYING_NOTMYMOVE:
4186 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4187 IcsPlayingWhite : IcsPlayingBlack;
4189 case RELATION_EXAMINING:
4190 newGameMode = IcsExamining;
4192 case RELATION_ISOLATED_BOARD:
4194 /* Just display this board. If user was doing something else,
4195 we will forget about it until the next board comes. */
4196 newGameMode = IcsIdle;
4198 case RELATION_STARTING_POSITION:
4199 newGameMode = gameMode;
4203 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4204 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4205 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4207 for (k = 0; k < ranks; k++) {
4208 for (j = 0; j < files; j++)
4209 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4210 if(gameInfo.holdingsWidth > 1) {
4211 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4212 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4215 CopyBoard(partnerBoard, board);
4216 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4217 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4218 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4219 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4220 if(toSqr = strchr(str, '-')) {
4221 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4222 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4223 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4224 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4225 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4226 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4227 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4228 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4229 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4230 DisplayMessage(partnerStatus, "");
4231 partnerBoardValid = TRUE;
4235 /* Modify behavior for initial board display on move listing
4238 switch (ics_getting_history) {
4242 case H_GOT_REQ_HEADER:
4243 case H_GOT_UNREQ_HEADER:
4244 /* This is the initial position of the current game */
4245 gamenum = ics_gamenum;
4246 moveNum = 0; /* old ICS bug workaround */
4247 if (to_play == 'B') {
4248 startedFromSetupPosition = TRUE;
4249 blackPlaysFirst = TRUE;
4251 if (forwardMostMove == 0) forwardMostMove = 1;
4252 if (backwardMostMove == 0) backwardMostMove = 1;
4253 if (currentMove == 0) currentMove = 1;
4255 newGameMode = gameMode;
4256 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4258 case H_GOT_UNWANTED_HEADER:
4259 /* This is an initial board that we don't want */
4261 case H_GETTING_MOVES:
4262 /* Should not happen */
4263 DisplayError(_("Error gathering move list: extra board"), 0);
4264 ics_getting_history = H_FALSE;
4268 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4269 weird && (int)gameInfo.variant < (int)VariantShogi) {
4270 /* [HGM] We seem to have switched variant unexpectedly
4271 * Try to guess new variant from board size
4273 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4274 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4275 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4276 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4277 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4278 if(!weird) newVariant = VariantNormal;
4279 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4280 /* Get a move list just to see the header, which
4281 will tell us whether this is really bug or zh */
4282 if (ics_getting_history == H_FALSE) {
4283 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4284 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4289 /* Take action if this is the first board of a new game, or of a
4290 different game than is currently being displayed. */
4291 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4292 relation == RELATION_ISOLATED_BOARD) {
4294 /* Forget the old game and get the history (if any) of the new one */
4295 if (gameMode != BeginningOfGame) {
4299 if (appData.autoRaiseBoard) BoardToTop();
4301 if (gamenum == -1) {
4302 newGameMode = IcsIdle;
4303 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4304 appData.getMoveList && !reqFlag) {
4305 /* Need to get game history */
4306 ics_getting_history = H_REQUESTED;
4307 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4311 /* Initially flip the board to have black on the bottom if playing
4312 black or if the ICS flip flag is set, but let the user change
4313 it with the Flip View button. */
4314 flipView = appData.autoFlipView ?
4315 (newGameMode == IcsPlayingBlack) || ics_flip :
4318 /* Done with values from previous mode; copy in new ones */
4319 gameMode = newGameMode;
4321 ics_gamenum = gamenum;
4322 if (gamenum == gs_gamenum) {
4323 int klen = strlen(gs_kind);
4324 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4325 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4326 gameInfo.event = StrSave(str);
4328 gameInfo.event = StrSave("ICS game");
4330 gameInfo.site = StrSave(appData.icsHost);
4331 gameInfo.date = PGNDate();
4332 gameInfo.round = StrSave("-");
4333 gameInfo.white = StrSave(white);
4334 gameInfo.black = StrSave(black);
4335 timeControl = basetime * 60 * 1000;
4337 timeIncrement = increment * 1000;
4338 movesPerSession = 0;
4339 gameInfo.timeControl = TimeControlTagValue();
4340 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4341 if (appData.debugMode) {
4342 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4343 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4344 setbuf(debugFP, NULL);
4347 gameInfo.outOfBook = NULL;
4349 /* Do we have the ratings? */
4350 if (strcmp(player1Name, white) == 0 &&
4351 strcmp(player2Name, black) == 0) {
4352 if (appData.debugMode)
4353 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4354 player1Rating, player2Rating);
4355 gameInfo.whiteRating = player1Rating;
4356 gameInfo.blackRating = player2Rating;
4357 } else if (strcmp(player2Name, white) == 0 &&
4358 strcmp(player1Name, black) == 0) {
4359 if (appData.debugMode)
4360 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4361 player2Rating, player1Rating);
4362 gameInfo.whiteRating = player2Rating;
4363 gameInfo.blackRating = player1Rating;
4365 player1Name[0] = player2Name[0] = NULLCHAR;
4367 /* Silence shouts if requested */
4368 if (appData.quietPlay &&
4369 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4370 SendToICS(ics_prefix);
4371 SendToICS("set shout 0\n");
4375 /* Deal with midgame name changes */
4377 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4378 if (gameInfo.white) free(gameInfo.white);
4379 gameInfo.white = StrSave(white);
4381 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4382 if (gameInfo.black) free(gameInfo.black);
4383 gameInfo.black = StrSave(black);
4387 /* Throw away game result if anything actually changes in examine mode */
4388 if (gameMode == IcsExamining && !newGame) {
4389 gameInfo.result = GameUnfinished;
4390 if (gameInfo.resultDetails != NULL) {
4391 free(gameInfo.resultDetails);
4392 gameInfo.resultDetails = NULL;
4396 /* In pausing && IcsExamining mode, we ignore boards coming
4397 in if they are in a different variation than we are. */
4398 if (pauseExamInvalid) return;
4399 if (pausing && gameMode == IcsExamining) {
4400 if (moveNum <= pauseExamForwardMostMove) {
4401 pauseExamInvalid = TRUE;
4402 forwardMostMove = pauseExamForwardMostMove;
4407 if (appData.debugMode) {
4408 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4410 /* Parse the board */
4411 for (k = 0; k < ranks; k++) {
4412 for (j = 0; j < files; j++)
4413 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4414 if(gameInfo.holdingsWidth > 1) {
4415 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4416 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4419 CopyBoard(boards[moveNum], board);
4420 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4422 startedFromSetupPosition =
4423 !CompareBoards(board, initialPosition);
4424 if(startedFromSetupPosition)
4425 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4428 /* [HGM] Set castling rights. Take the outermost Rooks,
4429 to make it also work for FRC opening positions. Note that board12
4430 is really defective for later FRC positions, as it has no way to
4431 indicate which Rook can castle if they are on the same side of King.
4432 For the initial position we grant rights to the outermost Rooks,
4433 and remember thos rights, and we then copy them on positions
4434 later in an FRC game. This means WB might not recognize castlings with
4435 Rooks that have moved back to their original position as illegal,
4436 but in ICS mode that is not its job anyway.
4438 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4439 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4441 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4442 if(board[0][i] == WhiteRook) j = i;
4443 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4444 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4445 if(board[0][i] == WhiteRook) j = i;
4446 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4447 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4448 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4449 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4450 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4451 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4452 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4454 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4455 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4456 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4457 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4458 if(board[BOARD_HEIGHT-1][k] == bKing)
4459 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4460 if(gameInfo.variant == VariantTwoKings) {
4461 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4462 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4463 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4466 r = boards[moveNum][CASTLING][0] = initialRights[0];
4467 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4468 r = boards[moveNum][CASTLING][1] = initialRights[1];
4469 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4470 r = boards[moveNum][CASTLING][3] = initialRights[3];
4471 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4472 r = boards[moveNum][CASTLING][4] = initialRights[4];
4473 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4474 /* wildcastle kludge: always assume King has rights */
4475 r = boards[moveNum][CASTLING][2] = initialRights[2];
4476 r = boards[moveNum][CASTLING][5] = initialRights[5];
4478 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4479 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4482 if (ics_getting_history == H_GOT_REQ_HEADER ||
4483 ics_getting_history == H_GOT_UNREQ_HEADER) {
4484 /* This was an initial position from a move list, not
4485 the current position */
4489 /* Update currentMove and known move number limits */
4490 newMove = newGame || moveNum > forwardMostMove;
4493 forwardMostMove = backwardMostMove = currentMove = moveNum;
4494 if (gameMode == IcsExamining && moveNum == 0) {
4495 /* Workaround for ICS limitation: we are not told the wild
4496 type when starting to examine a game. But if we ask for
4497 the move list, the move list header will tell us */
4498 ics_getting_history = H_REQUESTED;
4499 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4502 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4503 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4505 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4506 /* [HGM] applied this also to an engine that is silently watching */
4507 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4508 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4509 gameInfo.variant == currentlyInitializedVariant) {
4510 takeback = forwardMostMove - moveNum;
4511 for (i = 0; i < takeback; i++) {
4512 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4513 SendToProgram("undo\n", &first);
4518 forwardMostMove = moveNum;
4519 if (!pausing || currentMove > forwardMostMove)
4520 currentMove = forwardMostMove;
4522 /* New part of history that is not contiguous with old part */
4523 if (pausing && gameMode == IcsExamining) {
4524 pauseExamInvalid = TRUE;
4525 forwardMostMove = pauseExamForwardMostMove;
4528 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4530 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4531 // [HGM] when we will receive the move list we now request, it will be
4532 // fed to the engine from the first move on. So if the engine is not
4533 // in the initial position now, bring it there.
4534 InitChessProgram(&first, 0);
4537 ics_getting_history = H_REQUESTED;
4538 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4541 forwardMostMove = backwardMostMove = currentMove = moveNum;
4544 /* Update the clocks */
4545 if (strchr(elapsed_time, '.')) {
4547 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4548 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4550 /* Time is in seconds */
4551 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4552 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4557 if (appData.zippyPlay && newGame &&
4558 gameMode != IcsObserving && gameMode != IcsIdle &&
4559 gameMode != IcsExamining)
4560 ZippyFirstBoard(moveNum, basetime, increment);
4563 /* Put the move on the move list, first converting
4564 to canonical algebraic form. */
4566 if (appData.debugMode) {
4567 if (appData.debugMode) { int f = forwardMostMove;
4568 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4569 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4570 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4572 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4573 fprintf(debugFP, "moveNum = %d\n", moveNum);
4574 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4575 setbuf(debugFP, NULL);
4577 if (moveNum <= backwardMostMove) {
4578 /* We don't know what the board looked like before
4580 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4581 strcat(parseList[moveNum - 1], " ");
4582 strcat(parseList[moveNum - 1], elapsed_time);
4583 moveList[moveNum - 1][0] = NULLCHAR;
4584 } else if (strcmp(move_str, "none") == 0) {
4585 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4586 /* Again, we don't know what the board looked like;
4587 this is really the start of the game. */
4588 parseList[moveNum - 1][0] = NULLCHAR;
4589 moveList[moveNum - 1][0] = NULLCHAR;
4590 backwardMostMove = moveNum;
4591 startedFromSetupPosition = TRUE;
4592 fromX = fromY = toX = toY = -1;
4594 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4595 // So we parse the long-algebraic move string in stead of the SAN move
4596 int valid; char buf[MSG_SIZ], *prom;
4598 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4599 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4600 // str looks something like "Q/a1-a2"; kill the slash
4602 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4603 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4604 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4605 strcat(buf, prom); // long move lacks promo specification!
4606 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4607 if(appData.debugMode)
4608 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4609 safeStrCpy(move_str, buf, MSG_SIZ);
4611 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4612 &fromX, &fromY, &toX, &toY, &promoChar)
4613 || ParseOneMove(buf, moveNum - 1, &moveType,
4614 &fromX, &fromY, &toX, &toY, &promoChar);
4615 // end of long SAN patch
4617 (void) CoordsToAlgebraic(boards[moveNum - 1],
4618 PosFlags(moveNum - 1),
4619 fromY, fromX, toY, toX, promoChar,
4620 parseList[moveNum-1]);
4621 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4627 if(gameInfo.variant != VariantShogi)
4628 strcat(parseList[moveNum - 1], "+");
4631 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4632 strcat(parseList[moveNum - 1], "#");
4635 strcat(parseList[moveNum - 1], " ");
4636 strcat(parseList[moveNum - 1], elapsed_time);
4637 /* currentMoveString is set as a side-effect of ParseOneMove */
4638 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4639 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4640 strcat(moveList[moveNum - 1], "\n");
4642 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper
4643 && gameInfo.variant != VariantGreat) // inherit info that ICS does not give from previous board
4644 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4645 ChessSquare old, new = boards[moveNum][k][j];
4646 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4647 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4648 if(old == new) continue;
4649 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4650 else if(new == WhiteWazir || new == BlackWazir) {
4651 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4652 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4653 else boards[moveNum][k][j] = old; // preserve type of Gold
4654 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4655 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4658 /* Move from ICS was illegal!? Punt. */
4659 if (appData.debugMode) {
4660 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4661 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4663 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4664 strcat(parseList[moveNum - 1], " ");
4665 strcat(parseList[moveNum - 1], elapsed_time);
4666 moveList[moveNum - 1][0] = NULLCHAR;
4667 fromX = fromY = toX = toY = -1;
4670 if (appData.debugMode) {
4671 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4672 setbuf(debugFP, NULL);
4676 /* Send move to chess program (BEFORE animating it). */
4677 if (appData.zippyPlay && !newGame && newMove &&
4678 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4680 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4681 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4682 if (moveList[moveNum - 1][0] == NULLCHAR) {
4683 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4685 DisplayError(str, 0);
4687 if (first.sendTime) {
4688 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4690 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4691 if (firstMove && !bookHit) {
4693 if (first.useColors) {
4694 SendToProgram(gameMode == IcsPlayingWhite ?
4696 "black\ngo\n", &first);
4698 SendToProgram("go\n", &first);
4700 first.maybeThinking = TRUE;
4703 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4704 if (moveList[moveNum - 1][0] == NULLCHAR) {
4705 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4706 DisplayError(str, 0);
4708 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4709 SendMoveToProgram(moveNum - 1, &first);
4716 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4717 /* If move comes from a remote source, animate it. If it
4718 isn't remote, it will have already been animated. */
4719 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4720 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4722 if (!pausing && appData.highlightLastMove) {
4723 SetHighlights(fromX, fromY, toX, toY);
4727 /* Start the clocks */
4728 whiteFlag = blackFlag = FALSE;
4729 appData.clockMode = !(basetime == 0 && increment == 0);
4731 ics_clock_paused = TRUE;
4733 } else if (ticking == 1) {
4734 ics_clock_paused = FALSE;
4736 if (gameMode == IcsIdle ||
4737 relation == RELATION_OBSERVING_STATIC ||
4738 relation == RELATION_EXAMINING ||
4740 DisplayBothClocks();
4744 /* Display opponents and material strengths */
4745 if (gameInfo.variant != VariantBughouse &&
4746 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4747 if (tinyLayout || smallLayout) {
4748 if(gameInfo.variant == VariantNormal)
4749 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4750 gameInfo.white, white_stren, gameInfo.black, black_stren,
4751 basetime, increment);
4753 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4754 gameInfo.white, white_stren, gameInfo.black, black_stren,
4755 basetime, increment, (int) gameInfo.variant);
4757 if(gameInfo.variant == VariantNormal)
4758 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4759 gameInfo.white, white_stren, gameInfo.black, black_stren,
4760 basetime, increment);
4762 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4763 gameInfo.white, white_stren, gameInfo.black, black_stren,
4764 basetime, increment, VariantName(gameInfo.variant));
4767 if (appData.debugMode) {
4768 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4773 /* Display the board */
4774 if (!pausing && !appData.noGUI) {
4776 if (appData.premove)
4778 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4779 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4780 ClearPremoveHighlights();
4782 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4783 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4784 DrawPosition(j, boards[currentMove]);
4786 DisplayMove(moveNum - 1);
4787 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4788 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4789 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4790 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4794 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4796 if(bookHit) { // [HGM] book: simulate book reply
4797 static char bookMove[MSG_SIZ]; // a bit generous?
4799 programStats.nodes = programStats.depth = programStats.time =
4800 programStats.score = programStats.got_only_move = 0;
4801 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4803 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4804 strcat(bookMove, bookHit);
4805 HandleMachineMove(bookMove, &first);
4814 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4815 ics_getting_history = H_REQUESTED;
4816 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4822 AnalysisPeriodicEvent(force)
4825 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4826 && !force) || !appData.periodicUpdates)
4829 /* Send . command to Crafty to collect stats */
4830 SendToProgram(".\n", &first);
4832 /* Don't send another until we get a response (this makes
4833 us stop sending to old Crafty's which don't understand
4834 the "." command (sending illegal cmds resets node count & time,
4835 which looks bad)) */
4836 programStats.ok_to_send = 0;
4839 void ics_update_width(new_width)
4842 ics_printf("set width %d\n", new_width);
4846 SendMoveToProgram(moveNum, cps)
4848 ChessProgramState *cps;
4852 if (cps->useUsermove) {
4853 SendToProgram("usermove ", cps);
4857 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4858 int len = space - parseList[moveNum];
4859 memcpy(buf, parseList[moveNum], len);
4861 buf[len] = NULLCHAR;
4863 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4865 SendToProgram(buf, cps);
4867 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4868 AlphaRank(moveList[moveNum], 4);
4869 SendToProgram(moveList[moveNum], cps);
4870 AlphaRank(moveList[moveNum], 4); // and back
4872 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4873 * the engine. It would be nice to have a better way to identify castle
4875 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4876 && cps->useOOCastle) {
4877 int fromX = moveList[moveNum][0] - AAA;
4878 int fromY = moveList[moveNum][1] - ONE;
4879 int toX = moveList[moveNum][2] - AAA;
4880 int toY = moveList[moveNum][3] - ONE;
4881 if((boards[moveNum][fromY][fromX] == WhiteKing
4882 && boards[moveNum][toY][toX] == WhiteRook)
4883 || (boards[moveNum][fromY][fromX] == BlackKing
4884 && boards[moveNum][toY][toX] == BlackRook)) {
4885 if(toX > fromX) SendToProgram("O-O\n", cps);
4886 else SendToProgram("O-O-O\n", cps);
4888 else SendToProgram(moveList[moveNum], cps);
4890 else SendToProgram(moveList[moveNum], cps);
4891 /* End of additions by Tord */
4894 /* [HGM] setting up the opening has brought engine in force mode! */
4895 /* Send 'go' if we are in a mode where machine should play. */
4896 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4897 (gameMode == TwoMachinesPlay ||
4899 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4901 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4902 SendToProgram("go\n", cps);
4903 if (appData.debugMode) {
4904 fprintf(debugFP, "(extra)\n");
4907 setboardSpoiledMachineBlack = 0;
4911 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4913 int fromX, fromY, toX, toY;
4916 char user_move[MSG_SIZ];
4920 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4921 (int)moveType, fromX, fromY, toX, toY);
4922 DisplayError(user_move + strlen("say "), 0);
4924 case WhiteKingSideCastle:
4925 case BlackKingSideCastle:
4926 case WhiteQueenSideCastleWild:
4927 case BlackQueenSideCastleWild:
4929 case WhiteHSideCastleFR:
4930 case BlackHSideCastleFR:
4932 snprintf(user_move, MSG_SIZ, "o-o\n");
4934 case WhiteQueenSideCastle:
4935 case BlackQueenSideCastle:
4936 case WhiteKingSideCastleWild:
4937 case BlackKingSideCastleWild:
4939 case WhiteASideCastleFR:
4940 case BlackASideCastleFR:
4942 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4944 case WhiteNonPromotion:
4945 case BlackNonPromotion:
4946 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4948 case WhitePromotion:
4949 case BlackPromotion:
4950 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4951 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4952 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4953 PieceToChar(WhiteFerz));
4954 else if(gameInfo.variant == VariantGreat)
4955 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4956 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4957 PieceToChar(WhiteMan));
4959 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4960 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4966 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4967 ToUpper(PieceToChar((ChessSquare) fromX)),
4968 AAA + toX, ONE + toY);
4970 case IllegalMove: /* could be a variant we don't quite understand */
4971 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4973 case WhiteCapturesEnPassant:
4974 case BlackCapturesEnPassant:
4975 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4976 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4979 SendToICS(user_move);
4980 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4981 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4986 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4987 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4988 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4989 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4990 DisplayError("You cannot do this while you are playing or observing", 0);
4993 if(gameMode != IcsExamining) { // is this ever not the case?
4994 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4996 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4997 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4998 } else { // on FICS we must first go to general examine mode
4999 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5001 if(gameInfo.variant != VariantNormal) {
5002 // try figure out wild number, as xboard names are not always valid on ICS
5003 for(i=1; i<=36; i++) {
5004 snprintf(buf, MSG_SIZ, "wild/%d", i);
5005 if(StringToVariant(buf) == gameInfo.variant) break;
5007 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5008 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5009 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5010 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5011 SendToICS(ics_prefix);
5013 if(startedFromSetupPosition || backwardMostMove != 0) {
5014 fen = PositionToFEN(backwardMostMove, NULL);
5015 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5016 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5018 } else { // FICS: everything has to set by separate bsetup commands
5019 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5020 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5022 if(!WhiteOnMove(backwardMostMove)) {
5023 SendToICS("bsetup tomove black\n");
5025 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5026 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5028 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5029 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5031 i = boards[backwardMostMove][EP_STATUS];
5032 if(i >= 0) { // set e.p.
5033 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5039 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5040 SendToICS("bsetup done\n"); // switch to normal examining.
5042 for(i = backwardMostMove; i<last; i++) {
5044 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5047 SendToICS(ics_prefix);
5048 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5052 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5057 if (rf == DROP_RANK) {
5058 sprintf(move, "%c@%c%c\n",
5059 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5061 if (promoChar == 'x' || promoChar == NULLCHAR) {
5062 sprintf(move, "%c%c%c%c\n",
5063 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5065 sprintf(move, "%c%c%c%c%c\n",
5066 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5072 ProcessICSInitScript(f)
5077 while (fgets(buf, MSG_SIZ, f)) {
5078 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5085 static int lastX, lastY, selectFlag, dragging;
5090 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5091 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5092 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5093 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5094 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5095 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5098 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5099 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5100 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5101 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5103 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5104 appData.testLegality && (promoSweep == king ||
5105 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5106 ChangeDragPiece(promoSweep);
5109 int PromoScroll(int x, int y)
5113 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5114 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5115 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5116 if(!step) return FALSE;
5117 lastX = x; lastY = y;
5118 if((promoSweep < BlackPawn) == flipView) step = -step;
5119 if(step > 0) selectFlag = 1;
5120 if(!selectFlag) Sweep(step);
5127 ChessSquare piece = boards[currentMove][toY][toX];
5130 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5131 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5132 if(!step) step = -1;
5133 } while(PieceToChar(pieceSweep) == '.');
5134 boards[currentMove][toY][toX] = pieceSweep;
5135 DrawPosition(FALSE, boards[currentMove]);
5136 boards[currentMove][toY][toX] = piece;
5138 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5140 AlphaRank(char *move, int n)
5142 // char *p = move, c; int x, y;
5144 if (appData.debugMode) {
5145 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5149 move[2]>='0' && move[2]<='9' &&
5150 move[3]>='a' && move[3]<='x' ) {
5152 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5153 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5155 if(move[0]>='0' && move[0]<='9' &&
5156 move[1]>='a' && move[1]<='x' &&
5157 move[2]>='0' && move[2]<='9' &&
5158 move[3]>='a' && move[3]<='x' ) {
5159 /* input move, Shogi -> normal */
5160 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5161 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5162 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5163 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5166 move[3]>='0' && move[3]<='9' &&
5167 move[2]>='a' && move[2]<='x' ) {
5169 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5170 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5173 move[0]>='a' && move[0]<='x' &&
5174 move[3]>='0' && move[3]<='9' &&
5175 move[2]>='a' && move[2]<='x' ) {
5176 /* output move, normal -> Shogi */
5177 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5178 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5179 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5180 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5181 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5183 if (appData.debugMode) {
5184 fprintf(debugFP, " out = '%s'\n", move);
5188 char yy_textstr[8000];
5190 /* Parser for moves from gnuchess, ICS, or user typein box */
5192 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5195 ChessMove *moveType;
5196 int *fromX, *fromY, *toX, *toY;
5199 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5201 switch (*moveType) {
5202 case WhitePromotion:
5203 case BlackPromotion:
5204 case WhiteNonPromotion:
5205 case BlackNonPromotion:
5207 case WhiteCapturesEnPassant:
5208 case BlackCapturesEnPassant:
5209 case WhiteKingSideCastle:
5210 case WhiteQueenSideCastle:
5211 case BlackKingSideCastle:
5212 case BlackQueenSideCastle:
5213 case WhiteKingSideCastleWild:
5214 case WhiteQueenSideCastleWild:
5215 case BlackKingSideCastleWild:
5216 case BlackQueenSideCastleWild:
5217 /* Code added by Tord: */
5218 case WhiteHSideCastleFR:
5219 case WhiteASideCastleFR:
5220 case BlackHSideCastleFR:
5221 case BlackASideCastleFR:
5222 /* End of code added by Tord */
5223 case IllegalMove: /* bug or odd chess variant */
5224 *fromX = currentMoveString[0] - AAA;
5225 *fromY = currentMoveString[1] - ONE;
5226 *toX = currentMoveString[2] - AAA;
5227 *toY = currentMoveString[3] - ONE;
5228 *promoChar = currentMoveString[4];
5229 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5230 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5231 if (appData.debugMode) {
5232 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5234 *fromX = *fromY = *toX = *toY = 0;
5237 if (appData.testLegality) {
5238 return (*moveType != IllegalMove);
5240 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5241 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5246 *fromX = *moveType == WhiteDrop ?
5247 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5248 (int) CharToPiece(ToLower(currentMoveString[0]));
5250 *toX = currentMoveString[2] - AAA;
5251 *toY = currentMoveString[3] - ONE;
5252 *promoChar = NULLCHAR;
5256 case ImpossibleMove:
5266 if (appData.debugMode) {
5267 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5270 *fromX = *fromY = *toX = *toY = 0;
5271 *promoChar = NULLCHAR;
5276 Boolean pushed = FALSE;
5279 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5280 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5281 int fromX, fromY, toX, toY; char promoChar;
5286 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5287 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5290 endPV = forwardMostMove;
5292 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5293 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5294 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5295 if(appData.debugMode){
5296 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5298 if(!valid && nr == 0 &&
5299 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5300 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5301 // Hande case where played move is different from leading PV move
5302 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5303 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5304 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5305 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5306 endPV += 2; // if position different, keep this
5307 moveList[endPV-1][0] = fromX + AAA;
5308 moveList[endPV-1][1] = fromY + ONE;
5309 moveList[endPV-1][2] = toX + AAA;
5310 moveList[endPV-1][3] = toY + ONE;
5311 parseList[endPV-1][0] = NULLCHAR;
5312 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5315 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5316 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5317 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5318 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5319 valid++; // allow comments in PV
5323 if(endPV+1 > framePtr) break; // no space, truncate
5326 CopyBoard(boards[endPV], boards[endPV-1]);
5327 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5328 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5329 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5330 CoordsToAlgebraic(boards[endPV - 1],
5331 PosFlags(endPV - 1),
5332 fromY, fromX, toY, toX, promoChar,
5333 parseList[endPV - 1]);
5335 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5336 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5337 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5338 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5339 DrawPosition(TRUE, boards[currentMove]);
5343 MultiPV(ChessProgramState *cps)
5344 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5346 for(i=0; i<cps->nrOptions; i++)
5347 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5353 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5355 int startPV, multi, lineStart, origIndex = index;
5356 char *p, buf2[MSG_SIZ];
5358 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5359 lastX = x; lastY = y;
5360 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5361 lineStart = startPV = index;
5362 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5363 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5365 do{ while(buf[index] && buf[index] != '\n') index++;
5366 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5368 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5369 int n = first.option[multi].value;
5370 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5371 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5372 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5373 first.option[multi].value = n;
5377 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5378 *start = startPV; *end = index-1;
5383 LoadPV(int x, int y)
5384 { // called on right mouse click to load PV
5385 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5386 lastX = x; lastY = y;
5387 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5394 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5395 if(endPV < 0) return;
5397 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5398 Boolean saveAnimate = appData.animate;
5400 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5401 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5402 } else storedGames--; // abandon shelved tail of original game
5405 forwardMostMove = currentMove;
5406 currentMove = oldFMM;
5407 appData.animate = FALSE;
5408 ToNrEvent(forwardMostMove);
5409 appData.animate = saveAnimate;
5411 currentMove = forwardMostMove;
5412 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5413 ClearPremoveHighlights();
5414 DrawPosition(TRUE, boards[currentMove]);
5418 MovePV(int x, int y, int h)
5419 { // step through PV based on mouse coordinates (called on mouse move)
5420 int margin = h>>3, step = 0;
5422 // we must somehow check if right button is still down (might be released off board!)
5423 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5424 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5425 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5427 lastX = x; lastY = y;
5429 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5430 if(endPV < 0) return;
5431 if(y < margin) step = 1; else
5432 if(y > h - margin) step = -1;
5433 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5434 currentMove += step;
5435 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5436 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5437 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5438 DrawPosition(FALSE, boards[currentMove]);
5442 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5443 // All positions will have equal probability, but the current method will not provide a unique
5444 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5450 int piecesLeft[(int)BlackPawn];
5451 int seed, nrOfShuffles;
5453 void GetPositionNumber()
5454 { // sets global variable seed
5457 seed = appData.defaultFrcPosition;
5458 if(seed < 0) { // randomize based on time for negative FRC position numbers
5459 for(i=0; i<50; i++) seed += random();
5460 seed = random() ^ random() >> 8 ^ random() << 8;
5461 if(seed<0) seed = -seed;
5465 int put(Board board, int pieceType, int rank, int n, int shade)
5466 // put the piece on the (n-1)-th empty squares of the given shade
5470 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5471 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5472 board[rank][i] = (ChessSquare) pieceType;
5473 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5475 piecesLeft[pieceType]--;
5483 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5484 // calculate where the next piece goes, (any empty square), and put it there
5488 i = seed % squaresLeft[shade];
5489 nrOfShuffles *= squaresLeft[shade];
5490 seed /= squaresLeft[shade];
5491 put(board, pieceType, rank, i, shade);
5494 void AddTwoPieces(Board board, int pieceType, int rank)
5495 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5497 int i, n=squaresLeft[ANY], j=n-1, k;
5499 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5500 i = seed % k; // pick one
5503 while(i >= j) i -= j--;
5504 j = n - 1 - j; i += j;
5505 put(board, pieceType, rank, j, ANY);
5506 put(board, pieceType, rank, i, ANY);
5509 void SetUpShuffle(Board board, int number)
5513 GetPositionNumber(); nrOfShuffles = 1;
5515 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5516 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5517 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5519 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5521 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5522 p = (int) board[0][i];
5523 if(p < (int) BlackPawn) piecesLeft[p] ++;
5524 board[0][i] = EmptySquare;
5527 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5528 // shuffles restricted to allow normal castling put KRR first
5529 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5530 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5531 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5532 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5533 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5534 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5535 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5536 put(board, WhiteRook, 0, 0, ANY);
5537 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5540 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5541 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5542 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5543 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5544 while(piecesLeft[p] >= 2) {
5545 AddOnePiece(board, p, 0, LITE);
5546 AddOnePiece(board, p, 0, DARK);
5548 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5551 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5552 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5553 // but we leave King and Rooks for last, to possibly obey FRC restriction
5554 if(p == (int)WhiteRook) continue;
5555 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5556 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5559 // now everything is placed, except perhaps King (Unicorn) and Rooks
5561 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5562 // Last King gets castling rights
5563 while(piecesLeft[(int)WhiteUnicorn]) {
5564 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5565 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5568 while(piecesLeft[(int)WhiteKing]) {
5569 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5570 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5575 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5576 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5579 // Only Rooks can be left; simply place them all
5580 while(piecesLeft[(int)WhiteRook]) {
5581 i = put(board, WhiteRook, 0, 0, ANY);
5582 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5585 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5587 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5590 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5591 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5594 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5597 int SetCharTable( char *table, const char * map )
5598 /* [HGM] moved here from winboard.c because of its general usefulness */
5599 /* Basically a safe strcpy that uses the last character as King */
5601 int result = FALSE; int NrPieces;
5603 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5604 && NrPieces >= 12 && !(NrPieces&1)) {
5605 int i; /* [HGM] Accept even length from 12 to 34 */
5607 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5608 for( i=0; i<NrPieces/2-1; i++ ) {
5610 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5612 table[(int) WhiteKing] = map[NrPieces/2-1];
5613 table[(int) BlackKing] = map[NrPieces-1];
5621 void Prelude(Board board)
5622 { // [HGM] superchess: random selection of exo-pieces
5623 int i, j, k; ChessSquare p;
5624 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5626 GetPositionNumber(); // use FRC position number
5628 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5629 SetCharTable(pieceToChar, appData.pieceToCharTable);
5630 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5631 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5634 j = seed%4; seed /= 4;
5635 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5636 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5637 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5638 j = seed%3 + (seed%3 >= j); seed /= 3;
5639 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5640 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5641 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5642 j = seed%3; seed /= 3;
5643 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5644 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5645 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5646 j = seed%2 + (seed%2 >= j); seed /= 2;
5647 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5648 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5649 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5650 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5651 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5652 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5653 put(board, exoPieces[0], 0, 0, ANY);
5654 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5658 InitPosition(redraw)
5661 ChessSquare (* pieces)[BOARD_FILES];
5662 int i, j, pawnRow, overrule,
5663 oldx = gameInfo.boardWidth,
5664 oldy = gameInfo.boardHeight,
5665 oldh = gameInfo.holdingsWidth;
5668 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5670 /* [AS] Initialize pv info list [HGM] and game status */
5672 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5673 pvInfoList[i].depth = 0;
5674 boards[i][EP_STATUS] = EP_NONE;
5675 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5678 initialRulePlies = 0; /* 50-move counter start */
5680 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5681 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5685 /* [HGM] logic here is completely changed. In stead of full positions */
5686 /* the initialized data only consist of the two backranks. The switch */
5687 /* selects which one we will use, which is than copied to the Board */
5688 /* initialPosition, which for the rest is initialized by Pawns and */
5689 /* empty squares. This initial position is then copied to boards[0], */
5690 /* possibly after shuffling, so that it remains available. */
5692 gameInfo.holdingsWidth = 0; /* default board sizes */
5693 gameInfo.boardWidth = 8;
5694 gameInfo.boardHeight = 8;
5695 gameInfo.holdingsSize = 0;
5696 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5697 for(i=0; i<BOARD_FILES-2; i++)
5698 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5699 initialPosition[EP_STATUS] = EP_NONE;
5700 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5701 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5702 SetCharTable(pieceNickName, appData.pieceNickNames);
5703 else SetCharTable(pieceNickName, "............");
5706 switch (gameInfo.variant) {
5707 case VariantFischeRandom:
5708 shuffleOpenings = TRUE;
5711 case VariantShatranj:
5712 pieces = ShatranjArray;
5713 nrCastlingRights = 0;
5714 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5717 pieces = makrukArray;
5718 nrCastlingRights = 0;
5719 startedFromSetupPosition = TRUE;
5720 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5722 case VariantTwoKings:
5723 pieces = twoKingsArray;
5725 case VariantCapaRandom:
5726 shuffleOpenings = TRUE;
5727 case VariantCapablanca:
5728 pieces = CapablancaArray;
5729 gameInfo.boardWidth = 10;
5730 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5733 pieces = GothicArray;
5734 gameInfo.boardWidth = 10;
5735 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5738 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5739 gameInfo.holdingsSize = 7;
5742 pieces = JanusArray;
5743 gameInfo.boardWidth = 10;
5744 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5745 nrCastlingRights = 6;
5746 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5747 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5748 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5749 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5750 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5751 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5754 pieces = FalconArray;
5755 gameInfo.boardWidth = 10;
5756 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5758 case VariantXiangqi:
5759 pieces = XiangqiArray;
5760 gameInfo.boardWidth = 9;
5761 gameInfo.boardHeight = 10;
5762 nrCastlingRights = 0;
5763 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5766 pieces = ShogiArray;
5767 gameInfo.boardWidth = 9;
5768 gameInfo.boardHeight = 9;
5769 gameInfo.holdingsSize = 7;
5770 nrCastlingRights = 0;
5771 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5773 case VariantCourier:
5774 pieces = CourierArray;
5775 gameInfo.boardWidth = 12;
5776 nrCastlingRights = 0;
5777 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5779 case VariantKnightmate:
5780 pieces = KnightmateArray;
5781 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5783 case VariantSpartan:
5784 pieces = SpartanArray;
5785 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5788 pieces = fairyArray;
5789 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5792 pieces = GreatArray;
5793 gameInfo.boardWidth = 10;
5794 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5795 gameInfo.holdingsSize = 8;
5799 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5800 gameInfo.holdingsSize = 8;
5801 startedFromSetupPosition = TRUE;
5803 case VariantCrazyhouse:
5804 case VariantBughouse:
5806 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5807 gameInfo.holdingsSize = 5;
5809 case VariantWildCastle:
5811 /* !!?shuffle with kings guaranteed to be on d or e file */
5812 shuffleOpenings = 1;
5814 case VariantNoCastle:
5816 nrCastlingRights = 0;
5817 /* !!?unconstrained back-rank shuffle */
5818 shuffleOpenings = 1;
5823 if(appData.NrFiles >= 0) {
5824 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5825 gameInfo.boardWidth = appData.NrFiles;
5827 if(appData.NrRanks >= 0) {
5828 gameInfo.boardHeight = appData.NrRanks;
5830 if(appData.holdingsSize >= 0) {
5831 i = appData.holdingsSize;
5832 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5833 gameInfo.holdingsSize = i;
5835 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5836 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5837 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5839 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5840 if(pawnRow < 1) pawnRow = 1;
5841 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5843 /* User pieceToChar list overrules defaults */
5844 if(appData.pieceToCharTable != NULL)
5845 SetCharTable(pieceToChar, appData.pieceToCharTable);
5847 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5849 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5850 s = (ChessSquare) 0; /* account holding counts in guard band */
5851 for( i=0; i<BOARD_HEIGHT; i++ )
5852 initialPosition[i][j] = s;
5854 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5855 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5856 initialPosition[pawnRow][j] = WhitePawn;
5857 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5858 if(gameInfo.variant == VariantXiangqi) {
5860 initialPosition[pawnRow][j] =
5861 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5862 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5863 initialPosition[2][j] = WhiteCannon;
5864 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5868 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5870 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5873 initialPosition[1][j] = WhiteBishop;
5874 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5876 initialPosition[1][j] = WhiteRook;
5877 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5880 if( nrCastlingRights == -1) {
5881 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5882 /* This sets default castling rights from none to normal corners */
5883 /* Variants with other castling rights must set them themselves above */
5884 nrCastlingRights = 6;
5886 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5887 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5888 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5889 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5890 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5891 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5894 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5895 if(gameInfo.variant == VariantGreat) { // promotion commoners
5896 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5897 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5898 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5899 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5901 if( gameInfo.variant == VariantSChess ) {
5902 initialPosition[1][0] = BlackMarshall;
5903 initialPosition[2][0] = BlackAngel;
5904 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5905 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5906 initialPosition[1][1] = initialPosition[2][1] =
5907 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5909 if (appData.debugMode) {
5910 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5912 if(shuffleOpenings) {
5913 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5914 startedFromSetupPosition = TRUE;
5916 if(startedFromPositionFile) {
5917 /* [HGM] loadPos: use PositionFile for every new game */
5918 CopyBoard(initialPosition, filePosition);
5919 for(i=0; i<nrCastlingRights; i++)
5920 initialRights[i] = filePosition[CASTLING][i];
5921 startedFromSetupPosition = TRUE;
5924 CopyBoard(boards[0], initialPosition);
5926 if(oldx != gameInfo.boardWidth ||
5927 oldy != gameInfo.boardHeight ||
5928 oldv != gameInfo.variant ||
5929 oldh != gameInfo.holdingsWidth
5931 InitDrawingSizes(-2 ,0);
5933 oldv = gameInfo.variant;
5935 DrawPosition(TRUE, boards[currentMove]);
5939 SendBoard(cps, moveNum)
5940 ChessProgramState *cps;
5943 char message[MSG_SIZ];
5945 if (cps->useSetboard) {
5946 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5947 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5948 SendToProgram(message, cps);
5954 /* Kludge to set black to move, avoiding the troublesome and now
5955 * deprecated "black" command.
5957 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5958 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5960 SendToProgram("edit\n", cps);
5961 SendToProgram("#\n", cps);
5962 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5963 bp = &boards[moveNum][i][BOARD_LEFT];
5964 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5965 if ((int) *bp < (int) BlackPawn) {
5966 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5968 if(message[0] == '+' || message[0] == '~') {
5969 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5970 PieceToChar((ChessSquare)(DEMOTED *bp)),
5973 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5974 message[1] = BOARD_RGHT - 1 - j + '1';
5975 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5977 SendToProgram(message, cps);
5982 SendToProgram("c\n", cps);
5983 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5984 bp = &boards[moveNum][i][BOARD_LEFT];
5985 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5986 if (((int) *bp != (int) EmptySquare)
5987 && ((int) *bp >= (int) BlackPawn)) {
5988 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5990 if(message[0] == '+' || message[0] == '~') {
5991 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5992 PieceToChar((ChessSquare)(DEMOTED *bp)),
5995 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5996 message[1] = BOARD_RGHT - 1 - j + '1';
5997 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5999 SendToProgram(message, cps);
6004 SendToProgram(".\n", cps);
6006 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6010 DefaultPromoChoice(int white)
6013 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6014 result = WhiteFerz; // no choice
6015 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6016 result= WhiteKing; // in Suicide Q is the last thing we want
6017 else if(gameInfo.variant == VariantSpartan)
6018 result = white ? WhiteQueen : WhiteAngel;
6019 else result = WhiteQueen;
6020 if(!white) result = WHITE_TO_BLACK result;
6024 static int autoQueen; // [HGM] oneclick
6027 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
6029 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6030 /* [HGM] add Shogi promotions */
6031 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6036 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6037 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6039 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6040 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6043 piece = boards[currentMove][fromY][fromX];
6044 if(gameInfo.variant == VariantShogi) {
6045 promotionZoneSize = BOARD_HEIGHT/3;
6046 highestPromotingPiece = (int)WhiteFerz;
6047 } else if(gameInfo.variant == VariantMakruk) {
6048 promotionZoneSize = 3;
6051 // Treat Lance as Pawn when it is not representing Amazon
6052 if(gameInfo.variant != VariantSuper) {
6053 if(piece == WhiteLance) piece = WhitePawn; else
6054 if(piece == BlackLance) piece = BlackPawn;
6057 // next weed out all moves that do not touch the promotion zone at all
6058 if((int)piece >= BlackPawn) {
6059 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6061 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6063 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6064 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6067 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6069 // weed out mandatory Shogi promotions
6070 if(gameInfo.variant == VariantShogi) {
6071 if(piece >= BlackPawn) {
6072 if(toY == 0 && piece == BlackPawn ||
6073 toY == 0 && piece == BlackQueen ||
6074 toY <= 1 && piece == BlackKnight) {
6079 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6080 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6081 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6088 // weed out obviously illegal Pawn moves
6089 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6090 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6091 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6092 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6093 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6094 // note we are not allowed to test for valid (non-)capture, due to premove
6097 // we either have a choice what to promote to, or (in Shogi) whether to promote
6098 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6099 *promoChoice = PieceToChar(BlackFerz); // no choice
6102 // no sense asking what we must promote to if it is going to explode...
6103 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6104 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6107 // give caller the default choice even if we will not make it
6108 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6109 if(gameInfo.variant == VariantShogi) *promoChoice = '+';
6110 if(appData.sweepSelect && gameInfo.variant != VariantGreat
6111 && gameInfo.variant != VariantShogi
6112 && gameInfo.variant != VariantSuper) return FALSE;
6113 if(autoQueen) return FALSE; // predetermined
6115 // suppress promotion popup on illegal moves that are not premoves
6116 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6117 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6118 if(appData.testLegality && !premove) {
6119 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6120 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6121 if(moveType != WhitePromotion && moveType != BlackPromotion)
6129 InPalace(row, column)
6131 { /* [HGM] for Xiangqi */
6132 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6133 column < (BOARD_WIDTH + 4)/2 &&
6134 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6139 PieceForSquare (x, y)
6143 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6146 return boards[currentMove][y][x];
6150 OKToStartUserMove(x, y)
6153 ChessSquare from_piece;
6156 if (matchMode) return FALSE;
6157 if (gameMode == EditPosition) return TRUE;
6159 if (x >= 0 && y >= 0)
6160 from_piece = boards[currentMove][y][x];
6162 from_piece = EmptySquare;
6164 if (from_piece == EmptySquare) return FALSE;
6166 white_piece = (int)from_piece >= (int)WhitePawn &&
6167 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6170 case PlayFromGameFile:
6172 case TwoMachinesPlay:
6180 case MachinePlaysWhite:
6181 case IcsPlayingBlack:
6182 if (appData.zippyPlay) return FALSE;
6184 DisplayMoveError(_("You are playing Black"));
6189 case MachinePlaysBlack:
6190 case IcsPlayingWhite:
6191 if (appData.zippyPlay) return FALSE;
6193 DisplayMoveError(_("You are playing White"));
6199 if (!white_piece && WhiteOnMove(currentMove)) {
6200 DisplayMoveError(_("It is White's turn"));
6203 if (white_piece && !WhiteOnMove(currentMove)) {
6204 DisplayMoveError(_("It is Black's turn"));
6207 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6208 /* Editing correspondence game history */
6209 /* Could disallow this or prompt for confirmation */
6214 case BeginningOfGame:
6215 if (appData.icsActive) return FALSE;
6216 if (!appData.noChessProgram) {
6218 DisplayMoveError(_("You are playing White"));
6225 if (!white_piece && WhiteOnMove(currentMove)) {
6226 DisplayMoveError(_("It is White's turn"));
6229 if (white_piece && !WhiteOnMove(currentMove)) {
6230 DisplayMoveError(_("It is Black's turn"));
6239 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6240 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6241 && gameMode != AnalyzeFile && gameMode != Training) {
6242 DisplayMoveError(_("Displayed position is not current"));
6249 OnlyMove(int *x, int *y, Boolean captures) {
6250 DisambiguateClosure cl;
6251 if (appData.zippyPlay) return FALSE;
6253 case MachinePlaysBlack:
6254 case IcsPlayingWhite:
6255 case BeginningOfGame:
6256 if(!WhiteOnMove(currentMove)) return FALSE;
6258 case MachinePlaysWhite:
6259 case IcsPlayingBlack:
6260 if(WhiteOnMove(currentMove)) return FALSE;
6267 cl.pieceIn = EmptySquare;
6272 cl.promoCharIn = NULLCHAR;
6273 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6274 if( cl.kind == NormalMove ||
6275 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6276 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6277 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6284 if(cl.kind != ImpossibleMove) return FALSE;
6285 cl.pieceIn = EmptySquare;
6290 cl.promoCharIn = NULLCHAR;
6291 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6292 if( cl.kind == NormalMove ||
6293 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6294 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6295 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6300 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6306 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6307 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6308 int lastLoadGameUseList = FALSE;
6309 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6310 ChessMove lastLoadGameStart = EndOfFile;
6313 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6314 int fromX, fromY, toX, toY;
6318 ChessSquare pdown, pup;
6320 /* Check if the user is playing in turn. This is complicated because we
6321 let the user "pick up" a piece before it is his turn. So the piece he
6322 tried to pick up may have been captured by the time he puts it down!
6323 Therefore we use the color the user is supposed to be playing in this
6324 test, not the color of the piece that is currently on the starting
6325 square---except in EditGame mode, where the user is playing both
6326 sides; fortunately there the capture race can't happen. (It can
6327 now happen in IcsExamining mode, but that's just too bad. The user
6328 will get a somewhat confusing message in that case.)
6332 case PlayFromGameFile:
6334 case TwoMachinesPlay:
6338 /* We switched into a game mode where moves are not accepted,
6339 perhaps while the mouse button was down. */
6342 case MachinePlaysWhite:
6343 /* User is moving for Black */
6344 if (WhiteOnMove(currentMove)) {
6345 DisplayMoveError(_("It is White's turn"));
6350 case MachinePlaysBlack:
6351 /* User is moving for White */
6352 if (!WhiteOnMove(currentMove)) {
6353 DisplayMoveError(_("It is Black's turn"));
6360 case BeginningOfGame:
6363 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6364 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6365 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6366 /* User is moving for Black */
6367 if (WhiteOnMove(currentMove)) {
6368 DisplayMoveError(_("It is White's turn"));
6372 /* User is moving for White */
6373 if (!WhiteOnMove(currentMove)) {
6374 DisplayMoveError(_("It is Black's turn"));
6380 case IcsPlayingBlack:
6381 /* User is moving for Black */
6382 if (WhiteOnMove(currentMove)) {
6383 if (!appData.premove) {
6384 DisplayMoveError(_("It is White's turn"));
6385 } else if (toX >= 0 && toY >= 0) {
6388 premoveFromX = fromX;
6389 premoveFromY = fromY;
6390 premovePromoChar = promoChar;
6392 if (appData.debugMode)
6393 fprintf(debugFP, "Got premove: fromX %d,"
6394 "fromY %d, toX %d, toY %d\n",
6395 fromX, fromY, toX, toY);
6401 case IcsPlayingWhite:
6402 /* User is moving for White */
6403 if (!WhiteOnMove(currentMove)) {
6404 if (!appData.premove) {
6405 DisplayMoveError(_("It is Black's turn"));
6406 } else if (toX >= 0 && toY >= 0) {
6409 premoveFromX = fromX;
6410 premoveFromY = fromY;
6411 premovePromoChar = promoChar;
6413 if (appData.debugMode)
6414 fprintf(debugFP, "Got premove: fromX %d,"
6415 "fromY %d, toX %d, toY %d\n",
6416 fromX, fromY, toX, toY);
6426 /* EditPosition, empty square, or different color piece;
6427 click-click move is possible */
6428 if (toX == -2 || toY == -2) {
6429 boards[0][fromY][fromX] = EmptySquare;
6430 DrawPosition(FALSE, boards[currentMove]);
6432 } else if (toX >= 0 && toY >= 0) {
6433 boards[0][toY][toX] = boards[0][fromY][fromX];
6434 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6435 if(boards[0][fromY][0] != EmptySquare) {
6436 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6437 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6440 if(fromX == BOARD_RGHT+1) {
6441 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6442 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6443 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6446 boards[0][fromY][fromX] = EmptySquare;
6447 DrawPosition(FALSE, boards[currentMove]);
6453 if(toX < 0 || toY < 0) return;
6454 pdown = boards[currentMove][fromY][fromX];
6455 pup = boards[currentMove][toY][toX];
6457 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6458 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6459 if( pup != EmptySquare ) return;
6460 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6461 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6462 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6463 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6464 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6465 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6466 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6470 /* [HGM] always test for legality, to get promotion info */
6471 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6472 fromY, fromX, toY, toX, promoChar);
6473 /* [HGM] but possibly ignore an IllegalMove result */
6474 if (appData.testLegality) {
6475 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6476 DisplayMoveError(_("Illegal move"));
6481 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6484 /* Common tail of UserMoveEvent and DropMenuEvent */
6486 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6488 int fromX, fromY, toX, toY;
6489 /*char*/int promoChar;
6493 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6494 // [HGM] superchess: suppress promotions to non-available piece
6495 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6496 if(WhiteOnMove(currentMove)) {
6497 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6499 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6503 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6504 move type in caller when we know the move is a legal promotion */
6505 if(moveType == NormalMove && promoChar)
6506 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6508 /* [HGM] <popupFix> The following if has been moved here from
6509 UserMoveEvent(). Because it seemed to belong here (why not allow
6510 piece drops in training games?), and because it can only be
6511 performed after it is known to what we promote. */
6512 if (gameMode == Training) {
6513 /* compare the move played on the board to the next move in the
6514 * game. If they match, display the move and the opponent's response.
6515 * If they don't match, display an error message.
6519 CopyBoard(testBoard, boards[currentMove]);
6520 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6522 if (CompareBoards(testBoard, boards[currentMove+1])) {
6523 ForwardInner(currentMove+1);
6525 /* Autoplay the opponent's response.
6526 * if appData.animate was TRUE when Training mode was entered,
6527 * the response will be animated.
6529 saveAnimate = appData.animate;
6530 appData.animate = animateTraining;
6531 ForwardInner(currentMove+1);
6532 appData.animate = saveAnimate;
6534 /* check for the end of the game */
6535 if (currentMove >= forwardMostMove) {
6536 gameMode = PlayFromGameFile;
6538 SetTrainingModeOff();
6539 DisplayInformation(_("End of game"));
6542 DisplayError(_("Incorrect move"), 0);
6547 /* Ok, now we know that the move is good, so we can kill
6548 the previous line in Analysis Mode */
6549 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6550 && currentMove < forwardMostMove) {
6551 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6552 else forwardMostMove = currentMove;
6555 /* If we need the chess program but it's dead, restart it */
6556 ResurrectChessProgram();
6558 /* A user move restarts a paused game*/
6562 thinkOutput[0] = NULLCHAR;
6564 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6566 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6567 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6571 if (gameMode == BeginningOfGame) {
6572 if (appData.noChessProgram) {
6573 gameMode = EditGame;
6577 gameMode = MachinePlaysBlack;
6580 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6582 if (first.sendName) {
6583 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6584 SendToProgram(buf, &first);
6591 /* Relay move to ICS or chess engine */
6592 if (appData.icsActive) {
6593 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6594 gameMode == IcsExamining) {
6595 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6596 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6598 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6600 // also send plain move, in case ICS does not understand atomic claims
6601 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6605 if (first.sendTime && (gameMode == BeginningOfGame ||
6606 gameMode == MachinePlaysWhite ||
6607 gameMode == MachinePlaysBlack)) {
6608 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6610 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6611 // [HGM] book: if program might be playing, let it use book
6612 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6613 first.maybeThinking = TRUE;
6614 } else SendMoveToProgram(forwardMostMove-1, &first);
6615 if (currentMove == cmailOldMove + 1) {
6616 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6620 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6624 if(appData.testLegality)
6625 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6631 if (WhiteOnMove(currentMove)) {
6632 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6634 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6638 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6643 case MachinePlaysBlack:
6644 case MachinePlaysWhite:
6645 /* disable certain menu options while machine is thinking */
6646 SetMachineThinkingEnables();
6653 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6654 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6656 if(bookHit) { // [HGM] book: simulate book reply
6657 static char bookMove[MSG_SIZ]; // a bit generous?
6659 programStats.nodes = programStats.depth = programStats.time =
6660 programStats.score = programStats.got_only_move = 0;
6661 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6663 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6664 strcat(bookMove, bookHit);
6665 HandleMachineMove(bookMove, &first);
6671 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6678 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6679 Markers *m = (Markers *) closure;
6680 if(rf == fromY && ff == fromX)
6681 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6682 || kind == WhiteCapturesEnPassant
6683 || kind == BlackCapturesEnPassant);
6684 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6688 MarkTargetSquares(int clear)
6691 if(!appData.markers || !appData.highlightDragging ||
6692 !appData.testLegality || gameMode == EditPosition) return;
6694 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6697 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6698 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6699 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6701 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6704 DrawPosition(TRUE, NULL);
6708 Explode(Board board, int fromX, int fromY, int toX, int toY)
6710 if(gameInfo.variant == VariantAtomic &&
6711 (board[toY][toX] != EmptySquare || // capture?
6712 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6713 board[fromY][fromX] == BlackPawn )
6715 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6721 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6723 int CanPromote(ChessSquare piece, int y)
6725 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6726 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6727 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6728 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6729 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6730 gameInfo.variant == VariantMakruk) return FALSE;
6731 return (piece == BlackPawn && y == 1 ||
6732 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6733 piece == BlackLance && y == 1 ||
6734 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6737 void LeftClick(ClickType clickType, int xPix, int yPix)
6740 Boolean saveAnimate;
6741 static int second = 0, promotionChoice = 0, clearFlag = 0;
6742 char promoChoice = NULLCHAR;
6745 if(appData.seekGraph && appData.icsActive && loggedOn &&
6746 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6747 SeekGraphClick(clickType, xPix, yPix, 0);
6751 if (clickType == Press) ErrorPopDown();
6752 MarkTargetSquares(1);
6754 x = EventToSquare(xPix, BOARD_WIDTH);
6755 y = EventToSquare(yPix, BOARD_HEIGHT);
6756 if (!flipView && y >= 0) {
6757 y = BOARD_HEIGHT - 1 - y;
6759 if (flipView && x >= 0) {
6760 x = BOARD_WIDTH - 1 - x;
6763 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6764 defaultPromoChoice = promoSweep;
6765 promoSweep = EmptySquare; // terminate sweep
6766 promoDefaultAltered = TRUE;
6767 if(!selectFlag) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6770 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6771 if(clickType == Release) return; // ignore upclick of click-click destination
6772 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6773 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6774 if(gameInfo.holdingsWidth &&
6775 (WhiteOnMove(currentMove)
6776 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6777 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6778 // click in right holdings, for determining promotion piece
6779 ChessSquare p = boards[currentMove][y][x];
6780 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6781 if(p != EmptySquare) {
6782 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6787 DrawPosition(FALSE, boards[currentMove]);
6791 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6792 if(clickType == Press
6793 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6794 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6795 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6798 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6799 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6801 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6802 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6803 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6804 defaultPromoChoice = DefaultPromoChoice(side);
6807 autoQueen = appData.alwaysPromoteToQueen;
6811 gatingPiece = EmptySquare;
6812 if (clickType != Press) {
6813 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6814 DragPieceEnd(xPix, yPix); dragging = 0;
6815 DrawPosition(FALSE, NULL);
6819 fromX = x; fromY = y;
6820 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6821 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6822 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6824 if (OKToStartUserMove(fromX, fromY)) {
6826 MarkTargetSquares(0);
6827 DragPieceBegin(xPix, yPix); dragging = 1;
6828 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6829 promoSweep = defaultPromoChoice;
6830 selectFlag = 0; lastX = xPix; lastY = yPix;
6831 Sweep(0); // Pawn that is going to promote: preview promotion piece
6832 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6834 if (appData.highlightDragging) {
6835 SetHighlights(fromX, fromY, -1, -1);
6837 } else fromX = fromY = -1;
6843 if (clickType == Press && gameMode != EditPosition) {
6848 // ignore off-board to clicks
6849 if(y < 0 || x < 0) return;
6851 /* Check if clicking again on the same color piece */
6852 fromP = boards[currentMove][fromY][fromX];
6853 toP = boards[currentMove][y][x];
6854 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6855 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6856 WhitePawn <= toP && toP <= WhiteKing &&
6857 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6858 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6859 (BlackPawn <= fromP && fromP <= BlackKing &&
6860 BlackPawn <= toP && toP <= BlackKing &&
6861 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6862 !(fromP == BlackKing && toP == BlackRook && frc))) {
6863 /* Clicked again on same color piece -- changed his mind */
6864 second = (x == fromX && y == fromY);
6865 promoDefaultAltered = FALSE;
6866 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6867 if (appData.highlightDragging) {
6868 SetHighlights(x, y, -1, -1);
6872 if (OKToStartUserMove(x, y)) {
6873 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6874 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6875 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6876 gatingPiece = boards[currentMove][fromY][fromX];
6877 else gatingPiece = EmptySquare;
6879 fromY = y; dragging = 1;
6880 MarkTargetSquares(0);
6881 DragPieceBegin(xPix, yPix);
6882 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6883 promoSweep = defaultPromoChoice;
6884 selectFlag = 0; lastX = xPix; lastY = yPix;
6885 Sweep(0); // Pawn that is going to promote: preview promotion piece
6889 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6892 // ignore clicks on holdings
6893 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6896 if (clickType == Release && x == fromX && y == fromY) {
6897 DragPieceEnd(xPix, yPix); dragging = 0;
6899 // a deferred attempt to click-click move an empty square on top of a piece
6900 boards[currentMove][y][x] = EmptySquare;
6902 DrawPosition(FALSE, boards[currentMove]);
6903 fromX = fromY = -1; clearFlag = 0;
6906 if (appData.animateDragging) {
6907 /* Undo animation damage if any */
6908 DrawPosition(FALSE, NULL);
6911 /* Second up/down in same square; just abort move */
6914 gatingPiece = EmptySquare;
6917 ClearPremoveHighlights();
6919 /* First upclick in same square; start click-click mode */
6920 SetHighlights(x, y, -1, -1);
6927 /* we now have a different from- and (possibly off-board) to-square */
6928 /* Completed move */
6931 saveAnimate = appData.animate;
6932 if (clickType == Press) {
6933 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
6934 // must be Edit Position mode with empty-square selected
6935 fromX = x; fromY = y; DragPieceBegin(xPix, yPix); dragging = 1; // consider this a new attempt to drag
6936 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
6939 /* Finish clickclick move */
6940 if (appData.animate || appData.highlightLastMove) {
6941 SetHighlights(fromX, fromY, toX, toY);
6946 /* Finish drag move */
6947 if (appData.highlightLastMove) {
6948 SetHighlights(fromX, fromY, toX, toY);
6952 DragPieceEnd(xPix, yPix); dragging = 0;
6953 /* Don't animate move and drag both */
6954 appData.animate = FALSE;
6957 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6958 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6959 ChessSquare piece = boards[currentMove][fromY][fromX];
6960 if(gameMode == EditPosition && piece != EmptySquare &&
6961 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6964 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6965 n = PieceToNumber(piece - (int)BlackPawn);
6966 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6967 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6968 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6970 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6971 n = PieceToNumber(piece);
6972 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6973 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6974 boards[currentMove][n][BOARD_WIDTH-2]++;
6976 boards[currentMove][fromY][fromX] = EmptySquare;
6980 DrawPosition(TRUE, boards[currentMove]);
6984 // off-board moves should not be highlighted
6985 if(x < 0 || y < 0) ClearHighlights();
6987 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6989 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6990 SetHighlights(fromX, fromY, toX, toY);
6991 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6992 // [HGM] super: promotion to captured piece selected from holdings
6993 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6994 promotionChoice = TRUE;
6995 // kludge follows to temporarily execute move on display, without promoting yet
6996 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6997 boards[currentMove][toY][toX] = p;
6998 DrawPosition(FALSE, boards[currentMove]);
6999 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7000 boards[currentMove][toY][toX] = q;
7001 DisplayMessage("Click in holdings to choose piece", "");
7006 int oldMove = currentMove;
7007 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7008 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7009 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7010 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7011 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7012 DrawPosition(TRUE, boards[currentMove]);
7015 appData.animate = saveAnimate;
7016 if (appData.animate || appData.animateDragging) {
7017 /* Undo animation damage if needed */
7018 DrawPosition(FALSE, NULL);
7022 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7023 { // front-end-free part taken out of PieceMenuPopup
7024 int whichMenu; int xSqr, ySqr;
7026 if(seekGraphUp) { // [HGM] seekgraph
7027 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7028 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7032 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7033 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7034 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7035 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7036 if(action == Press) {
7037 originalFlip = flipView;
7038 flipView = !flipView; // temporarily flip board to see game from partners perspective
7039 DrawPosition(TRUE, partnerBoard);
7040 DisplayMessage(partnerStatus, "");
7042 } else if(action == Release) {
7043 flipView = originalFlip;
7044 DrawPosition(TRUE, boards[currentMove]);
7050 xSqr = EventToSquare(x, BOARD_WIDTH);
7051 ySqr = EventToSquare(y, BOARD_HEIGHT);
7052 if (action == Release) {
7053 if(pieceSweep != EmptySquare) {
7054 EditPositionMenuEvent(pieceSweep, toX, toY);
7055 pieceSweep = EmptySquare;
7056 } else UnLoadPV(); // [HGM] pv
7058 if (action != Press) return -2; // return code to be ignored
7061 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
7063 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
7064 if (xSqr < 0 || ySqr < 0) return -1;
7065 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7066 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7067 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7068 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7072 if(!appData.icsEngineAnalyze) return -1;
7073 case IcsPlayingWhite:
7074 case IcsPlayingBlack:
7075 if(!appData.zippyPlay) goto noZip;
7078 case MachinePlaysWhite:
7079 case MachinePlaysBlack:
7080 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7081 if (!appData.dropMenu) {
7083 return 2; // flag front-end to grab mouse events
7085 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7086 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7089 if (xSqr < 0 || ySqr < 0) return -1;
7090 if (!appData.dropMenu || appData.testLegality &&
7091 gameInfo.variant != VariantBughouse &&
7092 gameInfo.variant != VariantCrazyhouse) return -1;
7093 whichMenu = 1; // drop menu
7099 if (((*fromX = xSqr) < 0) ||
7100 ((*fromY = ySqr) < 0)) {
7101 *fromX = *fromY = -1;
7105 *fromX = BOARD_WIDTH - 1 - *fromX;
7107 *fromY = BOARD_HEIGHT - 1 - *fromY;
7112 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7114 // char * hint = lastHint;
7115 FrontEndProgramStats stats;
7117 stats.which = cps == &first ? 0 : 1;
7118 stats.depth = cpstats->depth;
7119 stats.nodes = cpstats->nodes;
7120 stats.score = cpstats->score;
7121 stats.time = cpstats->time;
7122 stats.pv = cpstats->movelist;
7123 stats.hint = lastHint;
7124 stats.an_move_index = 0;
7125 stats.an_move_count = 0;
7127 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7128 stats.hint = cpstats->move_name;
7129 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7130 stats.an_move_count = cpstats->nr_moves;
7133 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7135 SetProgramStats( &stats );
7138 #define MAXPLAYERS 500
7141 TourneyStandings(int display)
7143 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7144 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7145 char result, *p, *names[MAXPLAYERS];
7147 names[0] = p = strdup(appData.participants);
7148 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7150 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7152 while(result = appData.results[nr]) {
7153 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7154 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7155 wScore = bScore = 0;
7157 case '+': wScore = 2; break;
7158 case '-': bScore = 2; break;
7159 case '=': wScore = bScore = 1; break;
7161 case '*': return strdup("busy"); // tourney not finished
7169 if(appData.tourneyType < 0) return strdup("Swiss tourney finished"); // standings of Swiss yet TODO
7170 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7171 for(w=0; w<nPlayers; w++) {
7173 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7174 ranking[w] = b; points[w] = bScore; score[b] = -2;
7176 p = malloc(nPlayers*34+1);
7177 for(w=0; w<nPlayers && w<display; w++)
7178 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7184 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7185 { // count all piece types
7187 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7188 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7189 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7192 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7193 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7194 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7195 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7196 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7197 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7202 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7204 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7205 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7207 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7208 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7209 if(myPawns == 2 && nMine == 3) // KPP
7210 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7211 if(myPawns == 1 && nMine == 2) // KP
7212 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7213 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7214 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7215 if(myPawns) return FALSE;
7216 if(pCnt[WhiteRook+side])
7217 return pCnt[BlackRook-side] ||
7218 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7219 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7220 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7221 if(pCnt[WhiteCannon+side]) {
7222 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7223 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7225 if(pCnt[WhiteKnight+side])
7226 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7231 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7233 VariantClass v = gameInfo.variant;
7235 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7236 if(v == VariantShatranj) return TRUE; // always winnable through baring
7237 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7238 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7240 if(v == VariantXiangqi) {
7241 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7243 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7244 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7245 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7246 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7247 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7248 if(stale) // we have at least one last-rank P plus perhaps C
7249 return majors // KPKX
7250 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7252 return pCnt[WhiteFerz+side] // KCAK
7253 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7254 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7255 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7257 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7258 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7260 if(nMine == 1) return FALSE; // bare King
7261 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
7262 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7263 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7264 // by now we have King + 1 piece (or multiple Bishops on the same color)
7265 if(pCnt[WhiteKnight+side])
7266 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7267 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7268 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7270 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7271 if(pCnt[WhiteAlfil+side])
7272 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7273 if(pCnt[WhiteWazir+side])
7274 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7281 Adjudicate(ChessProgramState *cps)
7282 { // [HGM] some adjudications useful with buggy engines
7283 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7284 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7285 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7286 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7287 int k, count = 0; static int bare = 1;
7288 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7289 Boolean canAdjudicate = !appData.icsActive;
7291 // most tests only when we understand the game, i.e. legality-checking on
7292 if( appData.testLegality )
7293 { /* [HGM] Some more adjudications for obstinate engines */
7294 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7295 static int moveCount = 6;
7297 char *reason = NULL;
7299 /* Count what is on board. */
7300 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7302 /* Some material-based adjudications that have to be made before stalemate test */
7303 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7304 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7305 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7306 if(canAdjudicate && appData.checkMates) {
7308 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7309 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7310 "Xboard adjudication: King destroyed", GE_XBOARD );
7315 /* Bare King in Shatranj (loses) or Losers (wins) */
7316 if( nrW == 1 || nrB == 1) {
7317 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7318 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7319 if(canAdjudicate && appData.checkMates) {
7321 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7322 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7323 "Xboard adjudication: Bare king", GE_XBOARD );
7327 if( gameInfo.variant == VariantShatranj && --bare < 0)
7329 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7330 if(canAdjudicate && appData.checkMates) {
7331 /* but only adjudicate if adjudication enabled */
7333 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7334 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7335 "Xboard adjudication: Bare king", GE_XBOARD );
7342 // don't wait for engine to announce game end if we can judge ourselves
7343 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7345 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7346 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7347 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7348 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7351 reason = "Xboard adjudication: 3rd check";
7352 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7362 reason = "Xboard adjudication: Stalemate";
7363 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7364 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7365 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7366 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7367 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7368 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7369 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7370 EP_CHECKMATE : EP_WINS);
7371 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7372 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7376 reason = "Xboard adjudication: Checkmate";
7377 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7381 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7383 result = GameIsDrawn; break;
7385 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7387 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7391 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7393 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7394 GameEnds( result, reason, GE_XBOARD );
7398 /* Next absolutely insufficient mating material. */
7399 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7400 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7401 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7403 /* always flag draws, for judging claims */
7404 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7406 if(canAdjudicate && appData.materialDraws) {
7407 /* but only adjudicate them if adjudication enabled */
7408 if(engineOpponent) {
7409 SendToProgram("force\n", engineOpponent); // suppress reply
7410 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7412 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7417 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7418 if(gameInfo.variant == VariantXiangqi ?
7419 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7421 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7422 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7423 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7424 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7426 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7427 { /* if the first 3 moves do not show a tactical win, declare draw */
7428 if(engineOpponent) {
7429 SendToProgram("force\n", engineOpponent); // suppress reply
7430 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7432 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7435 } else moveCount = 6;
7437 if (appData.debugMode) { int i;
7438 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7439 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7440 appData.drawRepeats);
7441 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7442 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7446 // Repetition draws and 50-move rule can be applied independently of legality testing
7448 /* Check for rep-draws */
7450 for(k = forwardMostMove-2;
7451 k>=backwardMostMove && k>=forwardMostMove-100 &&
7452 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7453 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7456 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7457 /* compare castling rights */
7458 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7459 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7460 rights++; /* King lost rights, while rook still had them */
7461 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7462 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7463 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7464 rights++; /* but at least one rook lost them */
7466 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7467 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7469 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7470 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7471 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7474 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7475 && appData.drawRepeats > 1) {
7476 /* adjudicate after user-specified nr of repeats */
7477 int result = GameIsDrawn;
7478 char *details = "XBoard adjudication: repetition draw";
7479 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7480 // [HGM] xiangqi: check for forbidden perpetuals
7481 int m, ourPerpetual = 1, hisPerpetual = 1;
7482 for(m=forwardMostMove; m>k; m-=2) {
7483 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7484 ourPerpetual = 0; // the current mover did not always check
7485 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7486 hisPerpetual = 0; // the opponent did not always check
7488 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7489 ourPerpetual, hisPerpetual);
7490 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7491 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7492 details = "Xboard adjudication: perpetual checking";
7494 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7495 break; // (or we would have caught him before). Abort repetition-checking loop.
7497 // Now check for perpetual chases
7498 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7499 hisPerpetual = PerpetualChase(k, forwardMostMove);
7500 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7501 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7502 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7503 details = "Xboard adjudication: perpetual chasing";
7505 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7506 break; // Abort repetition-checking loop.
7508 // if neither of us is checking or chasing all the time, or both are, it is draw
7510 if(engineOpponent) {
7511 SendToProgram("force\n", engineOpponent); // suppress reply
7512 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7514 GameEnds( result, details, GE_XBOARD );
7517 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7518 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7522 /* Now we test for 50-move draws. Determine ply count */
7523 count = forwardMostMove;
7524 /* look for last irreversble move */
7525 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7527 /* if we hit starting position, add initial plies */
7528 if( count == backwardMostMove )
7529 count -= initialRulePlies;
7530 count = forwardMostMove - count;
7531 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7532 // adjust reversible move counter for checks in Xiangqi
7533 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7534 if(i < backwardMostMove) i = backwardMostMove;
7535 while(i <= forwardMostMove) {
7536 lastCheck = inCheck; // check evasion does not count
7537 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7538 if(inCheck || lastCheck) count--; // check does not count
7543 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7544 /* this is used to judge if draw claims are legal */
7545 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7546 if(engineOpponent) {
7547 SendToProgram("force\n", engineOpponent); // suppress reply
7548 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7550 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7554 /* if draw offer is pending, treat it as a draw claim
7555 * when draw condition present, to allow engines a way to
7556 * claim draws before making their move to avoid a race
7557 * condition occurring after their move
7559 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7561 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7562 p = "Draw claim: 50-move rule";
7563 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7564 p = "Draw claim: 3-fold repetition";
7565 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7566 p = "Draw claim: insufficient mating material";
7567 if( p != NULL && canAdjudicate) {
7568 if(engineOpponent) {
7569 SendToProgram("force\n", engineOpponent); // suppress reply
7570 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7572 GameEnds( GameIsDrawn, p, GE_XBOARD );
7577 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7578 if(engineOpponent) {
7579 SendToProgram("force\n", engineOpponent); // suppress reply
7580 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7582 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7588 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7589 { // [HGM] book: this routine intercepts moves to simulate book replies
7590 char *bookHit = NULL;
7592 //first determine if the incoming move brings opponent into his book
7593 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7594 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7595 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7596 if(bookHit != NULL && !cps->bookSuspend) {
7597 // make sure opponent is not going to reply after receiving move to book position
7598 SendToProgram("force\n", cps);
7599 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7601 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7602 // now arrange restart after book miss
7604 // after a book hit we never send 'go', and the code after the call to this routine
7605 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7606 char buf[MSG_SIZ], *move = bookHit;
7608 int fromX, fromY, toX, toY;
7612 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7613 &fromX, &fromY, &toX, &toY, &promoChar)) {
7614 (void) CoordsToAlgebraic(boards[forwardMostMove],
7615 PosFlags(forwardMostMove),
7616 fromY, fromX, toY, toX, promoChar, move);
7618 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7622 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7623 SendToProgram(buf, cps);
7624 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7625 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7626 SendToProgram("go\n", cps);
7627 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7628 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7629 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7630 SendToProgram("go\n", cps);
7631 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7633 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7637 ChessProgramState *savedState;
7638 void DeferredBookMove(void)
7640 if(savedState->lastPing != savedState->lastPong)
7641 ScheduleDelayedEvent(DeferredBookMove, 10);
7643 HandleMachineMove(savedMessage, savedState);
7646 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7649 HandleMachineMove(message, cps)
7651 ChessProgramState *cps;
7653 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7654 char realname[MSG_SIZ];
7655 int fromX, fromY, toX, toY;
7662 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7663 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7664 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7665 DisplayError(_("Invalid pairing from pairing engine"), 0);
7668 pairingReceived = 1;
7670 return; // Skim the pairing messages here.
7675 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7677 * Kludge to ignore BEL characters
7679 while (*message == '\007') message++;
7682 * [HGM] engine debug message: ignore lines starting with '#' character
7684 if(cps->debug && *message == '#') return;
7687 * Look for book output
7689 if (cps == &first && bookRequested) {
7690 if (message[0] == '\t' || message[0] == ' ') {
7691 /* Part of the book output is here; append it */
7692 strcat(bookOutput, message);
7693 strcat(bookOutput, " \n");
7695 } else if (bookOutput[0] != NULLCHAR) {
7696 /* All of book output has arrived; display it */
7697 char *p = bookOutput;
7698 while (*p != NULLCHAR) {
7699 if (*p == '\t') *p = ' ';
7702 DisplayInformation(bookOutput);
7703 bookRequested = FALSE;
7704 /* Fall through to parse the current output */
7709 * Look for machine move.
7711 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7712 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7714 /* This method is only useful on engines that support ping */
7715 if (cps->lastPing != cps->lastPong) {
7716 if (gameMode == BeginningOfGame) {
7717 /* Extra move from before last new; ignore */
7718 if (appData.debugMode) {
7719 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7722 if (appData.debugMode) {
7723 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7724 cps->which, gameMode);
7727 SendToProgram("undo\n", cps);
7733 case BeginningOfGame:
7734 /* Extra move from before last reset; ignore */
7735 if (appData.debugMode) {
7736 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7743 /* Extra move after we tried to stop. The mode test is
7744 not a reliable way of detecting this problem, but it's
7745 the best we can do on engines that don't support ping.
7747 if (appData.debugMode) {
7748 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7749 cps->which, gameMode);
7751 SendToProgram("undo\n", cps);
7754 case MachinePlaysWhite:
7755 case IcsPlayingWhite:
7756 machineWhite = TRUE;
7759 case MachinePlaysBlack:
7760 case IcsPlayingBlack:
7761 machineWhite = FALSE;
7764 case TwoMachinesPlay:
7765 machineWhite = (cps->twoMachinesColor[0] == 'w');
7768 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7769 if (appData.debugMode) {
7771 "Ignoring move out of turn by %s, gameMode %d"
7772 ", forwardMost %d\n",
7773 cps->which, gameMode, forwardMostMove);
7778 if (appData.debugMode) { int f = forwardMostMove;
7779 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7780 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7781 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7783 if(cps->alphaRank) AlphaRank(machineMove, 4);
7784 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7785 &fromX, &fromY, &toX, &toY, &promoChar)) {
7786 /* Machine move could not be parsed; ignore it. */
7787 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7788 machineMove, _(cps->which));
7789 DisplayError(buf1, 0);
7790 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7791 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7792 if (gameMode == TwoMachinesPlay) {
7793 GameEnds(machineWhite ? BlackWins : WhiteWins,
7799 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7800 /* So we have to redo legality test with true e.p. status here, */
7801 /* to make sure an illegal e.p. capture does not slip through, */
7802 /* to cause a forfeit on a justified illegal-move complaint */
7803 /* of the opponent. */
7804 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7806 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7807 fromY, fromX, toY, toX, promoChar);
7808 if (appData.debugMode) {
7810 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7811 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7812 fprintf(debugFP, "castling rights\n");
7814 if(moveType == IllegalMove) {
7815 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7816 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7817 GameEnds(machineWhite ? BlackWins : WhiteWins,
7820 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7821 /* [HGM] Kludge to handle engines that send FRC-style castling
7822 when they shouldn't (like TSCP-Gothic) */
7824 case WhiteASideCastleFR:
7825 case BlackASideCastleFR:
7827 currentMoveString[2]++;
7829 case WhiteHSideCastleFR:
7830 case BlackHSideCastleFR:
7832 currentMoveString[2]--;
7834 default: ; // nothing to do, but suppresses warning of pedantic compilers
7837 hintRequested = FALSE;
7838 lastHint[0] = NULLCHAR;
7839 bookRequested = FALSE;
7840 /* Program may be pondering now */
7841 cps->maybeThinking = TRUE;
7842 if (cps->sendTime == 2) cps->sendTime = 1;
7843 if (cps->offeredDraw) cps->offeredDraw--;
7845 /* [AS] Save move info*/
7846 pvInfoList[ forwardMostMove ].score = programStats.score;
7847 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7848 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7850 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7852 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7853 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7856 while( count < adjudicateLossPlies ) {
7857 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7860 score = -score; /* Flip score for winning side */
7863 if( score > adjudicateLossThreshold ) {
7870 if( count >= adjudicateLossPlies ) {
7871 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7873 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7874 "Xboard adjudication",
7881 if(Adjudicate(cps)) {
7882 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7883 return; // [HGM] adjudicate: for all automatic game ends
7887 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7889 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7890 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7892 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7894 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7896 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7897 char buf[3*MSG_SIZ];
7899 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7900 programStats.score / 100.,
7902 programStats.time / 100.,
7903 (unsigned int)programStats.nodes,
7904 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7905 programStats.movelist);
7907 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7912 /* [AS] Clear stats for next move */
7913 ClearProgramStats();
7914 thinkOutput[0] = NULLCHAR;
7915 hiddenThinkOutputState = 0;
7918 if (gameMode == TwoMachinesPlay) {
7919 /* [HGM] relaying draw offers moved to after reception of move */
7920 /* and interpreting offer as claim if it brings draw condition */
7921 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7922 SendToProgram("draw\n", cps->other);
7924 if (cps->other->sendTime) {
7925 SendTimeRemaining(cps->other,
7926 cps->other->twoMachinesColor[0] == 'w');
7928 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7929 if (firstMove && !bookHit) {
7931 if (cps->other->useColors) {
7932 SendToProgram(cps->other->twoMachinesColor, cps->other);
7934 SendToProgram("go\n", cps->other);
7936 cps->other->maybeThinking = TRUE;
7939 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7941 if (!pausing && appData.ringBellAfterMoves) {
7946 * Reenable menu items that were disabled while
7947 * machine was thinking
7949 if (gameMode != TwoMachinesPlay)
7950 SetUserThinkingEnables();
7952 // [HGM] book: after book hit opponent has received move and is now in force mode
7953 // force the book reply into it, and then fake that it outputted this move by jumping
7954 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7956 static char bookMove[MSG_SIZ]; // a bit generous?
7958 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7959 strcat(bookMove, bookHit);
7962 programStats.nodes = programStats.depth = programStats.time =
7963 programStats.score = programStats.got_only_move = 0;
7964 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7966 if(cps->lastPing != cps->lastPong) {
7967 savedMessage = message; // args for deferred call
7969 ScheduleDelayedEvent(DeferredBookMove, 10);
7978 /* Set special modes for chess engines. Later something general
7979 * could be added here; for now there is just one kludge feature,
7980 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7981 * when "xboard" is given as an interactive command.
7983 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7984 cps->useSigint = FALSE;
7985 cps->useSigterm = FALSE;
7987 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7988 ParseFeatures(message+8, cps);
7989 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7992 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7993 int dummy, s=6; char buf[MSG_SIZ];
7994 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7995 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7996 ParseFEN(boards[0], &dummy, message+s);
7997 DrawPosition(TRUE, boards[0]);
7998 startedFromSetupPosition = TRUE;
8001 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8002 * want this, I was asked to put it in, and obliged.
8004 if (!strncmp(message, "setboard ", 9)) {
8005 Board initial_position;
8007 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8009 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8010 DisplayError(_("Bad FEN received from engine"), 0);
8014 CopyBoard(boards[0], initial_position);
8015 initialRulePlies = FENrulePlies;
8016 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8017 else gameMode = MachinePlaysBlack;
8018 DrawPosition(FALSE, boards[currentMove]);
8024 * Look for communication commands
8026 if (!strncmp(message, "telluser ", 9)) {
8027 if(message[9] == '\\' && message[10] == '\\')
8028 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8029 DisplayNote(message + 9);
8032 if (!strncmp(message, "tellusererror ", 14)) {
8034 if(message[14] == '\\' && message[15] == '\\')
8035 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8036 DisplayError(message + 14, 0);
8039 if (!strncmp(message, "tellopponent ", 13)) {
8040 if (appData.icsActive) {
8042 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8046 DisplayNote(message + 13);
8050 if (!strncmp(message, "tellothers ", 11)) {
8051 if (appData.icsActive) {
8053 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8059 if (!strncmp(message, "tellall ", 8)) {
8060 if (appData.icsActive) {
8062 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8066 DisplayNote(message + 8);
8070 if (strncmp(message, "warning", 7) == 0) {
8071 /* Undocumented feature, use tellusererror in new code */
8072 DisplayError(message, 0);
8075 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8076 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8077 strcat(realname, " query");
8078 AskQuestion(realname, buf2, buf1, cps->pr);
8081 /* Commands from the engine directly to ICS. We don't allow these to be
8082 * sent until we are logged on. Crafty kibitzes have been known to
8083 * interfere with the login process.
8086 if (!strncmp(message, "tellics ", 8)) {
8087 SendToICS(message + 8);
8091 if (!strncmp(message, "tellicsnoalias ", 15)) {
8092 SendToICS(ics_prefix);
8093 SendToICS(message + 15);
8097 /* The following are for backward compatibility only */
8098 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8099 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8100 SendToICS(ics_prefix);
8106 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8110 * If the move is illegal, cancel it and redraw the board.
8111 * Also deal with other error cases. Matching is rather loose
8112 * here to accommodate engines written before the spec.
8114 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8115 strncmp(message, "Error", 5) == 0) {
8116 if (StrStr(message, "name") ||
8117 StrStr(message, "rating") || StrStr(message, "?") ||
8118 StrStr(message, "result") || StrStr(message, "board") ||
8119 StrStr(message, "bk") || StrStr(message, "computer") ||
8120 StrStr(message, "variant") || StrStr(message, "hint") ||
8121 StrStr(message, "random") || StrStr(message, "depth") ||
8122 StrStr(message, "accepted")) {
8125 if (StrStr(message, "protover")) {
8126 /* Program is responding to input, so it's apparently done
8127 initializing, and this error message indicates it is
8128 protocol version 1. So we don't need to wait any longer
8129 for it to initialize and send feature commands. */
8130 FeatureDone(cps, 1);
8131 cps->protocolVersion = 1;
8134 cps->maybeThinking = FALSE;
8136 if (StrStr(message, "draw")) {
8137 /* Program doesn't have "draw" command */
8138 cps->sendDrawOffers = 0;
8141 if (cps->sendTime != 1 &&
8142 (StrStr(message, "time") || StrStr(message, "otim"))) {
8143 /* Program apparently doesn't have "time" or "otim" command */
8147 if (StrStr(message, "analyze")) {
8148 cps->analysisSupport = FALSE;
8149 cps->analyzing = FALSE;
8151 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8152 DisplayError(buf2, 0);
8155 if (StrStr(message, "(no matching move)st")) {
8156 /* Special kludge for GNU Chess 4 only */
8157 cps->stKludge = TRUE;
8158 SendTimeControl(cps, movesPerSession, timeControl,
8159 timeIncrement, appData.searchDepth,
8163 if (StrStr(message, "(no matching move)sd")) {
8164 /* Special kludge for GNU Chess 4 only */
8165 cps->sdKludge = TRUE;
8166 SendTimeControl(cps, movesPerSession, timeControl,
8167 timeIncrement, appData.searchDepth,
8171 if (!StrStr(message, "llegal")) {
8174 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8175 gameMode == IcsIdle) return;
8176 if (forwardMostMove <= backwardMostMove) return;
8177 if (pausing) PauseEvent();
8178 if(appData.forceIllegal) {
8179 // [HGM] illegal: machine refused move; force position after move into it
8180 SendToProgram("force\n", cps);
8181 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8182 // we have a real problem now, as SendBoard will use the a2a3 kludge
8183 // when black is to move, while there might be nothing on a2 or black
8184 // might already have the move. So send the board as if white has the move.
8185 // But first we must change the stm of the engine, as it refused the last move
8186 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8187 if(WhiteOnMove(forwardMostMove)) {
8188 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8189 SendBoard(cps, forwardMostMove); // kludgeless board
8191 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8192 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8193 SendBoard(cps, forwardMostMove+1); // kludgeless board
8195 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8196 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8197 gameMode == TwoMachinesPlay)
8198 SendToProgram("go\n", cps);
8201 if (gameMode == PlayFromGameFile) {
8202 /* Stop reading this game file */
8203 gameMode = EditGame;
8206 /* [HGM] illegal-move claim should forfeit game when Xboard */
8207 /* only passes fully legal moves */
8208 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8209 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8210 "False illegal-move claim", GE_XBOARD );
8211 return; // do not take back move we tested as valid
8213 currentMove = forwardMostMove-1;
8214 DisplayMove(currentMove-1); /* before DisplayMoveError */
8215 SwitchClocks(forwardMostMove-1); // [HGM] race
8216 DisplayBothClocks();
8217 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8218 parseList[currentMove], _(cps->which));
8219 DisplayMoveError(buf1);
8220 DrawPosition(FALSE, boards[currentMove]);
8223 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8224 /* Program has a broken "time" command that
8225 outputs a string not ending in newline.
8231 * If chess program startup fails, exit with an error message.
8232 * Attempts to recover here are futile.
8234 if ((StrStr(message, "unknown host") != NULL)
8235 || (StrStr(message, "No remote directory") != NULL)
8236 || (StrStr(message, "not found") != NULL)
8237 || (StrStr(message, "No such file") != NULL)
8238 || (StrStr(message, "can't alloc") != NULL)
8239 || (StrStr(message, "Permission denied") != NULL)) {
8241 cps->maybeThinking = FALSE;
8242 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8243 _(cps->which), cps->program, cps->host, message);
8244 RemoveInputSource(cps->isr);
8245 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8246 if(cps == &first) appData.noChessProgram = TRUE;
8247 DisplayError(buf1, 0);
8253 * Look for hint output
8255 if (sscanf(message, "Hint: %s", buf1) == 1) {
8256 if (cps == &first && hintRequested) {
8257 hintRequested = FALSE;
8258 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8259 &fromX, &fromY, &toX, &toY, &promoChar)) {
8260 (void) CoordsToAlgebraic(boards[forwardMostMove],
8261 PosFlags(forwardMostMove),
8262 fromY, fromX, toY, toX, promoChar, buf1);
8263 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8264 DisplayInformation(buf2);
8266 /* Hint move could not be parsed!? */
8267 snprintf(buf2, sizeof(buf2),
8268 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8269 buf1, _(cps->which));
8270 DisplayError(buf2, 0);
8273 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8279 * Ignore other messages if game is not in progress
8281 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8282 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8285 * look for win, lose, draw, or draw offer
8287 if (strncmp(message, "1-0", 3) == 0) {
8288 char *p, *q, *r = "";
8289 p = strchr(message, '{');
8297 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8299 } else if (strncmp(message, "0-1", 3) == 0) {
8300 char *p, *q, *r = "";
8301 p = strchr(message, '{');
8309 /* Kludge for Arasan 4.1 bug */
8310 if (strcmp(r, "Black resigns") == 0) {
8311 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8314 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8316 } else if (strncmp(message, "1/2", 3) == 0) {
8317 char *p, *q, *r = "";
8318 p = strchr(message, '{');
8327 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8330 } else if (strncmp(message, "White resign", 12) == 0) {
8331 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8333 } else if (strncmp(message, "Black resign", 12) == 0) {
8334 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8336 } else if (strncmp(message, "White matches", 13) == 0 ||
8337 strncmp(message, "Black matches", 13) == 0 ) {
8338 /* [HGM] ignore GNUShogi noises */
8340 } else if (strncmp(message, "White", 5) == 0 &&
8341 message[5] != '(' &&
8342 StrStr(message, "Black") == NULL) {
8343 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8345 } else if (strncmp(message, "Black", 5) == 0 &&
8346 message[5] != '(') {
8347 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8349 } else if (strcmp(message, "resign") == 0 ||
8350 strcmp(message, "computer resigns") == 0) {
8352 case MachinePlaysBlack:
8353 case IcsPlayingBlack:
8354 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8356 case MachinePlaysWhite:
8357 case IcsPlayingWhite:
8358 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8360 case TwoMachinesPlay:
8361 if (cps->twoMachinesColor[0] == 'w')
8362 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8364 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8371 } else if (strncmp(message, "opponent mates", 14) == 0) {
8373 case MachinePlaysBlack:
8374 case IcsPlayingBlack:
8375 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8377 case MachinePlaysWhite:
8378 case IcsPlayingWhite:
8379 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8381 case TwoMachinesPlay:
8382 if (cps->twoMachinesColor[0] == 'w')
8383 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8385 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8392 } else if (strncmp(message, "computer mates", 14) == 0) {
8394 case MachinePlaysBlack:
8395 case IcsPlayingBlack:
8396 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8398 case MachinePlaysWhite:
8399 case IcsPlayingWhite:
8400 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8402 case TwoMachinesPlay:
8403 if (cps->twoMachinesColor[0] == 'w')
8404 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8406 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8413 } else if (strncmp(message, "checkmate", 9) == 0) {
8414 if (WhiteOnMove(forwardMostMove)) {
8415 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8417 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8420 } else if (strstr(message, "Draw") != NULL ||
8421 strstr(message, "game is a draw") != NULL) {
8422 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8424 } else if (strstr(message, "offer") != NULL &&
8425 strstr(message, "draw") != NULL) {
8427 if (appData.zippyPlay && first.initDone) {
8428 /* Relay offer to ICS */
8429 SendToICS(ics_prefix);
8430 SendToICS("draw\n");
8433 cps->offeredDraw = 2; /* valid until this engine moves twice */
8434 if (gameMode == TwoMachinesPlay) {
8435 if (cps->other->offeredDraw) {
8436 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8437 /* [HGM] in two-machine mode we delay relaying draw offer */
8438 /* until after we also have move, to see if it is really claim */
8440 } else if (gameMode == MachinePlaysWhite ||
8441 gameMode == MachinePlaysBlack) {
8442 if (userOfferedDraw) {
8443 DisplayInformation(_("Machine accepts your draw offer"));
8444 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8446 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8453 * Look for thinking output
8455 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8456 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8458 int plylev, mvleft, mvtot, curscore, time;
8459 char mvname[MOVE_LEN];
8463 int prefixHint = FALSE;
8464 mvname[0] = NULLCHAR;
8467 case MachinePlaysBlack:
8468 case IcsPlayingBlack:
8469 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8471 case MachinePlaysWhite:
8472 case IcsPlayingWhite:
8473 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8478 case IcsObserving: /* [DM] icsEngineAnalyze */
8479 if (!appData.icsEngineAnalyze) ignore = TRUE;
8481 case TwoMachinesPlay:
8482 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8492 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8494 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8495 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8497 if (plyext != ' ' && plyext != '\t') {
8501 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8502 if( cps->scoreIsAbsolute &&
8503 ( gameMode == MachinePlaysBlack ||
8504 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8505 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8506 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8507 !WhiteOnMove(currentMove)
8510 curscore = -curscore;
8514 tempStats.depth = plylev;
8515 tempStats.nodes = nodes;
8516 tempStats.time = time;
8517 tempStats.score = curscore;
8518 tempStats.got_only_move = 0;
8520 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8523 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8524 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8525 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8526 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8527 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8528 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8529 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8530 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8533 /* Buffer overflow protection */
8534 if (buf1[0] != NULLCHAR) {
8535 if (strlen(buf1) >= sizeof(tempStats.movelist)
8536 && appData.debugMode) {
8538 "PV is too long; using the first %u bytes.\n",
8539 (unsigned) sizeof(tempStats.movelist) - 1);
8542 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8544 sprintf(tempStats.movelist, " no PV\n");
8547 if (tempStats.seen_stat) {
8548 tempStats.ok_to_send = 1;
8551 if (strchr(tempStats.movelist, '(') != NULL) {
8552 tempStats.line_is_book = 1;
8553 tempStats.nr_moves = 0;
8554 tempStats.moves_left = 0;
8556 tempStats.line_is_book = 0;
8559 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8560 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8562 SendProgramStatsToFrontend( cps, &tempStats );
8565 [AS] Protect the thinkOutput buffer from overflow... this
8566 is only useful if buf1 hasn't overflowed first!
8568 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8570 (gameMode == TwoMachinesPlay ?
8571 ToUpper(cps->twoMachinesColor[0]) : ' '),
8572 ((double) curscore) / 100.0,
8573 prefixHint ? lastHint : "",
8574 prefixHint ? " " : "" );
8576 if( buf1[0] != NULLCHAR ) {
8577 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8579 if( strlen(buf1) > max_len ) {
8580 if( appData.debugMode) {
8581 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8583 buf1[max_len+1] = '\0';
8586 strcat( thinkOutput, buf1 );
8589 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8590 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8591 DisplayMove(currentMove - 1);
8595 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8596 /* crafty (9.25+) says "(only move) <move>"
8597 * if there is only 1 legal move
8599 sscanf(p, "(only move) %s", buf1);
8600 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8601 sprintf(programStats.movelist, "%s (only move)", buf1);
8602 programStats.depth = 1;
8603 programStats.nr_moves = 1;
8604 programStats.moves_left = 1;
8605 programStats.nodes = 1;
8606 programStats.time = 1;
8607 programStats.got_only_move = 1;
8609 /* Not really, but we also use this member to
8610 mean "line isn't going to change" (Crafty
8611 isn't searching, so stats won't change) */
8612 programStats.line_is_book = 1;
8614 SendProgramStatsToFrontend( cps, &programStats );
8616 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8617 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8618 DisplayMove(currentMove - 1);
8621 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8622 &time, &nodes, &plylev, &mvleft,
8623 &mvtot, mvname) >= 5) {
8624 /* The stat01: line is from Crafty (9.29+) in response
8625 to the "." command */
8626 programStats.seen_stat = 1;
8627 cps->maybeThinking = TRUE;
8629 if (programStats.got_only_move || !appData.periodicUpdates)
8632 programStats.depth = plylev;
8633 programStats.time = time;
8634 programStats.nodes = nodes;
8635 programStats.moves_left = mvleft;
8636 programStats.nr_moves = mvtot;
8637 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8638 programStats.ok_to_send = 1;
8639 programStats.movelist[0] = '\0';
8641 SendProgramStatsToFrontend( cps, &programStats );
8645 } else if (strncmp(message,"++",2) == 0) {
8646 /* Crafty 9.29+ outputs this */
8647 programStats.got_fail = 2;
8650 } else if (strncmp(message,"--",2) == 0) {
8651 /* Crafty 9.29+ outputs this */
8652 programStats.got_fail = 1;
8655 } else if (thinkOutput[0] != NULLCHAR &&
8656 strncmp(message, " ", 4) == 0) {
8657 unsigned message_len;
8660 while (*p && *p == ' ') p++;
8662 message_len = strlen( p );
8664 /* [AS] Avoid buffer overflow */
8665 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8666 strcat(thinkOutput, " ");
8667 strcat(thinkOutput, p);
8670 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8671 strcat(programStats.movelist, " ");
8672 strcat(programStats.movelist, p);
8675 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8676 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8677 DisplayMove(currentMove - 1);
8685 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8686 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8688 ChessProgramStats cpstats;
8690 if (plyext != ' ' && plyext != '\t') {
8694 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8695 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8696 curscore = -curscore;
8699 cpstats.depth = plylev;
8700 cpstats.nodes = nodes;
8701 cpstats.time = time;
8702 cpstats.score = curscore;
8703 cpstats.got_only_move = 0;
8704 cpstats.movelist[0] = '\0';
8706 if (buf1[0] != NULLCHAR) {
8707 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8710 cpstats.ok_to_send = 0;
8711 cpstats.line_is_book = 0;
8712 cpstats.nr_moves = 0;
8713 cpstats.moves_left = 0;
8715 SendProgramStatsToFrontend( cps, &cpstats );
8722 /* Parse a game score from the character string "game", and
8723 record it as the history of the current game. The game
8724 score is NOT assumed to start from the standard position.
8725 The display is not updated in any way.
8728 ParseGameHistory(game)
8732 int fromX, fromY, toX, toY, boardIndex;
8737 if (appData.debugMode)
8738 fprintf(debugFP, "Parsing game history: %s\n", game);
8740 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8741 gameInfo.site = StrSave(appData.icsHost);
8742 gameInfo.date = PGNDate();
8743 gameInfo.round = StrSave("-");
8745 /* Parse out names of players */
8746 while (*game == ' ') game++;
8748 while (*game != ' ') *p++ = *game++;
8750 gameInfo.white = StrSave(buf);
8751 while (*game == ' ') game++;
8753 while (*game != ' ' && *game != '\n') *p++ = *game++;
8755 gameInfo.black = StrSave(buf);
8758 boardIndex = blackPlaysFirst ? 1 : 0;
8761 yyboardindex = boardIndex;
8762 moveType = (ChessMove) Myylex();
8764 case IllegalMove: /* maybe suicide chess, etc. */
8765 if (appData.debugMode) {
8766 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8767 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8768 setbuf(debugFP, NULL);
8770 case WhitePromotion:
8771 case BlackPromotion:
8772 case WhiteNonPromotion:
8773 case BlackNonPromotion:
8775 case WhiteCapturesEnPassant:
8776 case BlackCapturesEnPassant:
8777 case WhiteKingSideCastle:
8778 case WhiteQueenSideCastle:
8779 case BlackKingSideCastle:
8780 case BlackQueenSideCastle:
8781 case WhiteKingSideCastleWild:
8782 case WhiteQueenSideCastleWild:
8783 case BlackKingSideCastleWild:
8784 case BlackQueenSideCastleWild:
8786 case WhiteHSideCastleFR:
8787 case WhiteASideCastleFR:
8788 case BlackHSideCastleFR:
8789 case BlackASideCastleFR:
8791 fromX = currentMoveString[0] - AAA;
8792 fromY = currentMoveString[1] - ONE;
8793 toX = currentMoveString[2] - AAA;
8794 toY = currentMoveString[3] - ONE;
8795 promoChar = currentMoveString[4];
8799 fromX = moveType == WhiteDrop ?
8800 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8801 (int) CharToPiece(ToLower(currentMoveString[0]));
8803 toX = currentMoveString[2] - AAA;
8804 toY = currentMoveString[3] - ONE;
8805 promoChar = NULLCHAR;
8809 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8810 if (appData.debugMode) {
8811 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8812 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8813 setbuf(debugFP, NULL);
8815 DisplayError(buf, 0);
8817 case ImpossibleMove:
8819 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8820 if (appData.debugMode) {
8821 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8822 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8823 setbuf(debugFP, NULL);
8825 DisplayError(buf, 0);
8828 if (boardIndex < backwardMostMove) {
8829 /* Oops, gap. How did that happen? */
8830 DisplayError(_("Gap in move list"), 0);
8833 backwardMostMove = blackPlaysFirst ? 1 : 0;
8834 if (boardIndex > forwardMostMove) {
8835 forwardMostMove = boardIndex;
8839 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8840 strcat(parseList[boardIndex-1], " ");
8841 strcat(parseList[boardIndex-1], yy_text);
8853 case GameUnfinished:
8854 if (gameMode == IcsExamining) {
8855 if (boardIndex < backwardMostMove) {
8856 /* Oops, gap. How did that happen? */
8859 backwardMostMove = blackPlaysFirst ? 1 : 0;
8862 gameInfo.result = moveType;
8863 p = strchr(yy_text, '{');
8864 if (p == NULL) p = strchr(yy_text, '(');
8867 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8869 q = strchr(p, *p == '{' ? '}' : ')');
8870 if (q != NULL) *q = NULLCHAR;
8873 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8874 gameInfo.resultDetails = StrSave(p);
8877 if (boardIndex >= forwardMostMove &&
8878 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8879 backwardMostMove = blackPlaysFirst ? 1 : 0;
8882 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8883 fromY, fromX, toY, toX, promoChar,
8884 parseList[boardIndex]);
8885 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8886 /* currentMoveString is set as a side-effect of yylex */
8887 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8888 strcat(moveList[boardIndex], "\n");
8890 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8891 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8897 if(gameInfo.variant != VariantShogi)
8898 strcat(parseList[boardIndex - 1], "+");
8902 strcat(parseList[boardIndex - 1], "#");
8909 /* Apply a move to the given board */
8911 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8912 int fromX, fromY, toX, toY;
8916 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8917 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8919 /* [HGM] compute & store e.p. status and castling rights for new position */
8920 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8922 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8923 oldEP = (signed char)board[EP_STATUS];
8924 board[EP_STATUS] = EP_NONE;
8926 if( board[toY][toX] != EmptySquare )
8927 board[EP_STATUS] = EP_CAPTURE;
8929 if (fromY == DROP_RANK) {
8931 piece = board[toY][toX] = (ChessSquare) fromX;
8935 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8936 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8937 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8939 if( board[fromY][fromX] == WhitePawn ) {
8940 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8941 board[EP_STATUS] = EP_PAWN_MOVE;
8943 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8944 gameInfo.variant != VariantBerolina || toX < fromX)
8945 board[EP_STATUS] = toX | berolina;
8946 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8947 gameInfo.variant != VariantBerolina || toX > fromX)
8948 board[EP_STATUS] = toX;
8951 if( board[fromY][fromX] == BlackPawn ) {
8952 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8953 board[EP_STATUS] = EP_PAWN_MOVE;
8954 if( toY-fromY== -2) {
8955 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8956 gameInfo.variant != VariantBerolina || toX < fromX)
8957 board[EP_STATUS] = toX | berolina;
8958 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8959 gameInfo.variant != VariantBerolina || toX > fromX)
8960 board[EP_STATUS] = toX;
8964 for(i=0; i<nrCastlingRights; i++) {
8965 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8966 board[CASTLING][i] == toX && castlingRank[i] == toY
8967 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8970 if (fromX == toX && fromY == toY) return;
8972 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8973 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8974 if(gameInfo.variant == VariantKnightmate)
8975 king += (int) WhiteUnicorn - (int) WhiteKing;
8977 /* Code added by Tord: */
8978 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8979 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8980 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8981 board[fromY][fromX] = EmptySquare;
8982 board[toY][toX] = EmptySquare;
8983 if((toX > fromX) != (piece == WhiteRook)) {
8984 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8986 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8988 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8989 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8990 board[fromY][fromX] = EmptySquare;
8991 board[toY][toX] = EmptySquare;
8992 if((toX > fromX) != (piece == BlackRook)) {
8993 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8995 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8997 /* End of code added by Tord */
8999 } else if (board[fromY][fromX] == king
9000 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9001 && toY == fromY && toX > fromX+1) {
9002 board[fromY][fromX] = EmptySquare;
9003 board[toY][toX] = king;
9004 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9005 board[fromY][BOARD_RGHT-1] = EmptySquare;
9006 } else if (board[fromY][fromX] == king
9007 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9008 && toY == fromY && toX < fromX-1) {
9009 board[fromY][fromX] = EmptySquare;
9010 board[toY][toX] = king;
9011 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9012 board[fromY][BOARD_LEFT] = EmptySquare;
9013 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9014 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9015 && toY >= BOARD_HEIGHT-promoRank
9017 /* white pawn promotion */
9018 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9019 if (board[toY][toX] == EmptySquare) {
9020 board[toY][toX] = WhiteQueen;
9022 if(gameInfo.variant==VariantBughouse ||
9023 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9024 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9025 board[fromY][fromX] = EmptySquare;
9026 } else if ((fromY == BOARD_HEIGHT-4)
9028 && gameInfo.variant != VariantXiangqi
9029 && gameInfo.variant != VariantBerolina
9030 && (board[fromY][fromX] == WhitePawn)
9031 && (board[toY][toX] == EmptySquare)) {
9032 board[fromY][fromX] = EmptySquare;
9033 board[toY][toX] = WhitePawn;
9034 captured = board[toY - 1][toX];
9035 board[toY - 1][toX] = EmptySquare;
9036 } else if ((fromY == BOARD_HEIGHT-4)
9038 && gameInfo.variant == VariantBerolina
9039 && (board[fromY][fromX] == WhitePawn)
9040 && (board[toY][toX] == EmptySquare)) {
9041 board[fromY][fromX] = EmptySquare;
9042 board[toY][toX] = WhitePawn;
9043 if(oldEP & EP_BEROLIN_A) {
9044 captured = board[fromY][fromX-1];
9045 board[fromY][fromX-1] = EmptySquare;
9046 }else{ captured = board[fromY][fromX+1];
9047 board[fromY][fromX+1] = EmptySquare;
9049 } else if (board[fromY][fromX] == king
9050 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9051 && toY == fromY && toX > fromX+1) {
9052 board[fromY][fromX] = EmptySquare;
9053 board[toY][toX] = king;
9054 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9055 board[fromY][BOARD_RGHT-1] = EmptySquare;
9056 } else if (board[fromY][fromX] == king
9057 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9058 && toY == fromY && toX < fromX-1) {
9059 board[fromY][fromX] = EmptySquare;
9060 board[toY][toX] = king;
9061 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9062 board[fromY][BOARD_LEFT] = EmptySquare;
9063 } else if (fromY == 7 && fromX == 3
9064 && board[fromY][fromX] == BlackKing
9065 && toY == 7 && toX == 5) {
9066 board[fromY][fromX] = EmptySquare;
9067 board[toY][toX] = BlackKing;
9068 board[fromY][7] = EmptySquare;
9069 board[toY][4] = BlackRook;
9070 } else if (fromY == 7 && fromX == 3
9071 && board[fromY][fromX] == BlackKing
9072 && toY == 7 && toX == 1) {
9073 board[fromY][fromX] = EmptySquare;
9074 board[toY][toX] = BlackKing;
9075 board[fromY][0] = EmptySquare;
9076 board[toY][2] = BlackRook;
9077 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9078 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9081 /* black pawn promotion */
9082 board[toY][toX] = CharToPiece(ToLower(promoChar));
9083 if (board[toY][toX] == EmptySquare) {
9084 board[toY][toX] = BlackQueen;
9086 if(gameInfo.variant==VariantBughouse ||
9087 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9088 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9089 board[fromY][fromX] = EmptySquare;
9090 } else if ((fromY == 3)
9092 && gameInfo.variant != VariantXiangqi
9093 && gameInfo.variant != VariantBerolina
9094 && (board[fromY][fromX] == BlackPawn)
9095 && (board[toY][toX] == EmptySquare)) {
9096 board[fromY][fromX] = EmptySquare;
9097 board[toY][toX] = BlackPawn;
9098 captured = board[toY + 1][toX];
9099 board[toY + 1][toX] = EmptySquare;
9100 } else if ((fromY == 3)
9102 && gameInfo.variant == VariantBerolina
9103 && (board[fromY][fromX] == BlackPawn)
9104 && (board[toY][toX] == EmptySquare)) {
9105 board[fromY][fromX] = EmptySquare;
9106 board[toY][toX] = BlackPawn;
9107 if(oldEP & EP_BEROLIN_A) {
9108 captured = board[fromY][fromX-1];
9109 board[fromY][fromX-1] = EmptySquare;
9110 }else{ captured = board[fromY][fromX+1];
9111 board[fromY][fromX+1] = EmptySquare;
9114 board[toY][toX] = board[fromY][fromX];
9115 board[fromY][fromX] = EmptySquare;
9119 if (gameInfo.holdingsWidth != 0) {
9121 /* !!A lot more code needs to be written to support holdings */
9122 /* [HGM] OK, so I have written it. Holdings are stored in the */
9123 /* penultimate board files, so they are automaticlly stored */
9124 /* in the game history. */
9125 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9126 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9127 /* Delete from holdings, by decreasing count */
9128 /* and erasing image if necessary */
9129 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9130 if(p < (int) BlackPawn) { /* white drop */
9131 p -= (int)WhitePawn;
9132 p = PieceToNumber((ChessSquare)p);
9133 if(p >= gameInfo.holdingsSize) p = 0;
9134 if(--board[p][BOARD_WIDTH-2] <= 0)
9135 board[p][BOARD_WIDTH-1] = EmptySquare;
9136 if((int)board[p][BOARD_WIDTH-2] < 0)
9137 board[p][BOARD_WIDTH-2] = 0;
9138 } else { /* black drop */
9139 p -= (int)BlackPawn;
9140 p = PieceToNumber((ChessSquare)p);
9141 if(p >= gameInfo.holdingsSize) p = 0;
9142 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9143 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9144 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9145 board[BOARD_HEIGHT-1-p][1] = 0;
9148 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9149 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9150 /* [HGM] holdings: Add to holdings, if holdings exist */
9151 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
9152 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9153 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9156 if (p >= (int) BlackPawn) {
9157 p -= (int)BlackPawn;
9158 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9159 /* in Shogi restore piece to its original first */
9160 captured = (ChessSquare) (DEMOTED captured);
9163 p = PieceToNumber((ChessSquare)p);
9164 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9165 board[p][BOARD_WIDTH-2]++;
9166 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9168 p -= (int)WhitePawn;
9169 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9170 captured = (ChessSquare) (DEMOTED captured);
9173 p = PieceToNumber((ChessSquare)p);
9174 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9175 board[BOARD_HEIGHT-1-p][1]++;
9176 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9179 } else if (gameInfo.variant == VariantAtomic) {
9180 if (captured != EmptySquare) {
9182 for (y = toY-1; y <= toY+1; y++) {
9183 for (x = toX-1; x <= toX+1; x++) {
9184 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9185 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9186 board[y][x] = EmptySquare;
9190 board[toY][toX] = EmptySquare;
9193 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9194 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9196 if(promoChar == '+') {
9197 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9198 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9199 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9200 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9202 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9203 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9204 // [HGM] superchess: take promotion piece out of holdings
9205 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9206 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9207 if(!--board[k][BOARD_WIDTH-2])
9208 board[k][BOARD_WIDTH-1] = EmptySquare;
9210 if(!--board[BOARD_HEIGHT-1-k][1])
9211 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9217 /* Updates forwardMostMove */
9219 MakeMove(fromX, fromY, toX, toY, promoChar)
9220 int fromX, fromY, toX, toY;
9223 // forwardMostMove++; // [HGM] bare: moved downstream
9225 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9226 int timeLeft; static int lastLoadFlag=0; int king, piece;
9227 piece = boards[forwardMostMove][fromY][fromX];
9228 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9229 if(gameInfo.variant == VariantKnightmate)
9230 king += (int) WhiteUnicorn - (int) WhiteKing;
9231 if(forwardMostMove == 0) {
9233 fprintf(serverMoves, "%s;", second.tidy);
9234 fprintf(serverMoves, "%s;", first.tidy);
9235 if(!blackPlaysFirst)
9236 fprintf(serverMoves, "%s;", second.tidy);
9237 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9238 lastLoadFlag = loadFlag;
9240 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9241 // print castling suffix
9242 if( toY == fromY && piece == king ) {
9244 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9246 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9249 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9250 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9251 boards[forwardMostMove][toY][toX] == EmptySquare
9252 && fromX != toX && fromY != toY)
9253 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9255 if(promoChar != NULLCHAR)
9256 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9258 fprintf(serverMoves, "/%d/%d",
9259 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9260 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9261 else timeLeft = blackTimeRemaining/1000;
9262 fprintf(serverMoves, "/%d", timeLeft);
9264 fflush(serverMoves);
9267 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9268 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9272 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9273 if (commentList[forwardMostMove+1] != NULL) {
9274 free(commentList[forwardMostMove+1]);
9275 commentList[forwardMostMove+1] = NULL;
9277 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9278 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9279 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9280 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9281 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9282 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9283 gameInfo.result = GameUnfinished;
9284 if (gameInfo.resultDetails != NULL) {
9285 free(gameInfo.resultDetails);
9286 gameInfo.resultDetails = NULL;
9288 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9289 moveList[forwardMostMove - 1]);
9290 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9291 PosFlags(forwardMostMove - 1),
9292 fromY, fromX, toY, toX, promoChar,
9293 parseList[forwardMostMove - 1]);
9294 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9300 if(gameInfo.variant != VariantShogi)
9301 strcat(parseList[forwardMostMove - 1], "+");
9305 strcat(parseList[forwardMostMove - 1], "#");
9308 if (appData.debugMode) {
9309 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9314 /* Updates currentMove if not pausing */
9316 ShowMove(fromX, fromY, toX, toY)
9318 int instant = (gameMode == PlayFromGameFile) ?
9319 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9320 if(appData.noGUI) return;
9321 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9323 if (forwardMostMove == currentMove + 1) {
9324 AnimateMove(boards[forwardMostMove - 1],
9325 fromX, fromY, toX, toY);
9327 if (appData.highlightLastMove) {
9328 SetHighlights(fromX, fromY, toX, toY);
9331 currentMove = forwardMostMove;
9334 if (instant) return;
9336 DisplayMove(currentMove - 1);
9337 DrawPosition(FALSE, boards[currentMove]);
9338 DisplayBothClocks();
9339 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9340 DisplayBook(currentMove);
9343 void SendEgtPath(ChessProgramState *cps)
9344 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9345 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9347 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9350 char c, *q = name+1, *r, *s;
9352 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9353 while(*p && *p != ',') *q++ = *p++;
9355 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9356 strcmp(name, ",nalimov:") == 0 ) {
9357 // take nalimov path from the menu-changeable option first, if it is defined
9358 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9359 SendToProgram(buf,cps); // send egtbpath command for nalimov
9361 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9362 (s = StrStr(appData.egtFormats, name)) != NULL) {
9363 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9364 s = r = StrStr(s, ":") + 1; // beginning of path info
9365 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9366 c = *r; *r = 0; // temporarily null-terminate path info
9367 *--q = 0; // strip of trailig ':' from name
9368 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9370 SendToProgram(buf,cps); // send egtbpath command for this format
9372 if(*p == ',') p++; // read away comma to position for next format name
9377 InitChessProgram(cps, setup)
9378 ChessProgramState *cps;
9379 int setup; /* [HGM] needed to setup FRC opening position */
9381 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9382 if (appData.noChessProgram) return;
9383 hintRequested = FALSE;
9384 bookRequested = FALSE;
9386 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9387 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9388 if(cps->memSize) { /* [HGM] memory */
9389 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9390 SendToProgram(buf, cps);
9392 SendEgtPath(cps); /* [HGM] EGT */
9393 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9394 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9395 SendToProgram(buf, cps);
9398 SendToProgram(cps->initString, cps);
9399 if (gameInfo.variant != VariantNormal &&
9400 gameInfo.variant != VariantLoadable
9401 /* [HGM] also send variant if board size non-standard */
9402 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9404 char *v = VariantName(gameInfo.variant);
9405 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9406 /* [HGM] in protocol 1 we have to assume all variants valid */
9407 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9408 DisplayFatalError(buf, 0, 1);
9412 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9413 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9414 if( gameInfo.variant == VariantXiangqi )
9415 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9416 if( gameInfo.variant == VariantShogi )
9417 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9418 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9419 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9420 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9421 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9422 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9423 if( gameInfo.variant == VariantCourier )
9424 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9425 if( gameInfo.variant == VariantSuper )
9426 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9427 if( gameInfo.variant == VariantGreat )
9428 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9429 if( gameInfo.variant == VariantSChess )
9430 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9433 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9434 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9435 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9436 if(StrStr(cps->variants, b) == NULL) {
9437 // specific sized variant not known, check if general sizing allowed
9438 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9439 if(StrStr(cps->variants, "boardsize") == NULL) {
9440 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9441 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9442 DisplayFatalError(buf, 0, 1);
9445 /* [HGM] here we really should compare with the maximum supported board size */
9448 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9449 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9450 SendToProgram(buf, cps);
9452 currentlyInitializedVariant = gameInfo.variant;
9454 /* [HGM] send opening position in FRC to first engine */
9456 SendToProgram("force\n", cps);
9458 /* engine is now in force mode! Set flag to wake it up after first move. */
9459 setboardSpoiledMachineBlack = 1;
9463 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9464 SendToProgram(buf, cps);
9466 cps->maybeThinking = FALSE;
9467 cps->offeredDraw = 0;
9468 if (!appData.icsActive) {
9469 SendTimeControl(cps, movesPerSession, timeControl,
9470 timeIncrement, appData.searchDepth,
9473 if (appData.showThinking
9474 // [HGM] thinking: four options require thinking output to be sent
9475 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9477 SendToProgram("post\n", cps);
9479 SendToProgram("hard\n", cps);
9480 if (!appData.ponderNextMove) {
9481 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9482 it without being sure what state we are in first. "hard"
9483 is not a toggle, so that one is OK.
9485 SendToProgram("easy\n", cps);
9488 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9489 SendToProgram(buf, cps);
9491 cps->initDone = TRUE;
9496 StartChessProgram(cps)
9497 ChessProgramState *cps;
9502 if (appData.noChessProgram) return;
9503 cps->initDone = FALSE;
9505 if (strcmp(cps->host, "localhost") == 0) {
9506 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9507 } else if (*appData.remoteShell == NULLCHAR) {
9508 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9510 if (*appData.remoteUser == NULLCHAR) {
9511 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9514 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9515 cps->host, appData.remoteUser, cps->program);
9517 err = StartChildProcess(buf, "", &cps->pr);
9521 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9522 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9523 if(cps != &first) return;
9524 appData.noChessProgram = TRUE;
9527 // DisplayFatalError(buf, err, 1);
9528 // cps->pr = NoProc;
9533 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9534 if (cps->protocolVersion > 1) {
9535 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9536 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9537 cps->comboCnt = 0; // and values of combo boxes
9538 SendToProgram(buf, cps);
9540 SendToProgram("xboard\n", cps);
9545 TwoMachinesEventIfReady P((void))
9547 static int curMess = 0;
9548 if (first.lastPing != first.lastPong) {
9549 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9550 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9553 if (second.lastPing != second.lastPong) {
9554 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9555 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9558 DisplayMessage("", ""); curMess = 0;
9564 MakeName(char *template)
9568 static char buf[MSG_SIZ];
9572 clock = time((time_t *)NULL);
9573 tm = localtime(&clock);
9575 while(*p++ = *template++) if(p[-1] == '%') {
9576 switch(*template++) {
9577 case 0: *p = 0; return buf;
9578 case 'Y': i = tm->tm_year+1900; break;
9579 case 'y': i = tm->tm_year-100; break;
9580 case 'M': i = tm->tm_mon+1; break;
9581 case 'd': i = tm->tm_mday; break;
9582 case 'h': i = tm->tm_hour; break;
9583 case 'm': i = tm->tm_min; break;
9584 case 's': i = tm->tm_sec; break;
9587 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9593 CountPlayers(char *p)
9596 while(p = strchr(p, '\n')) p++, n++; // count participants
9601 WriteTourneyFile(char *results)
9602 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9603 FILE *f = fopen(appData.tourneyFile, "w");
9604 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9605 // create a file with tournament description
9606 fprintf(f, "-participants {%s}\n", appData.participants);
9607 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9608 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9609 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9610 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9611 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9612 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9613 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9614 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9615 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9616 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9617 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9619 fprintf(f, "-searchTime \"%s\"\n", appData.searchTime);
9621 fprintf(f, "-mps %d\n", appData.movesPerSession);
9622 fprintf(f, "-tc %s\n", appData.timeControl);
9623 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9625 fprintf(f, "-results \"%s\"\n", results);
9631 CreateTourney(char *name)
9634 if(name[0] == NULLCHAR) {
9635 if(appData.participants[0])
9636 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9639 f = fopen(name, "r");
9640 if(f) { // file exists
9641 ASSIGN(appData.tourneyFile, name);
9642 ParseArgsFromFile(f); // parse it
9644 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9645 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9646 DisplayError(_("Not enough participants"), 0);
9649 ASSIGN(appData.tourneyFile, name);
9650 if((f = WriteTourneyFile("")) == NULL) return 0;
9653 appData.noChessProgram = FALSE;
9654 appData.clockMode = TRUE;
9659 #define MAXENGINES 1000
9660 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9662 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9664 char buf[MSG_SIZ], *p, *q;
9668 while(*p && *p != '\n') *q++ = *p++;
9670 if(engineList[i]) free(engineList[i]);
9671 engineList[i] = strdup(buf);
9673 TidyProgramName(engineList[i], "localhost", buf);
9674 if(engineMnemonic[i]) free(engineMnemonic[i]);
9675 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9677 sscanf(q + 8, "%s", buf + strlen(buf));
9680 engineMnemonic[i] = strdup(buf);
9682 if(i > MAXENGINES - 2) break;
9684 engineList[i] = NULL;
9687 // following implemented as macro to avoid type limitations
9688 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9690 void SwapEngines(int n)
9691 { // swap settings for first engine and other engine (so far only some selected options)
9696 SWAP(chessProgram, p)
9698 SWAP(hasOwnBookUCI, h)
9699 SWAP(protocolVersion, h)
9701 SWAP(scoreIsAbsolute, h)
9708 SetPlayer(int player)
9709 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9711 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9712 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9713 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9714 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9716 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9717 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9718 ParseArgsFromString(buf);
9724 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9725 { // determine players from game number
9726 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9728 if(appData.tourneyType == 0) {
9729 roundsPerCycle = (nPlayers - 1) | 1;
9730 pairingsPerRound = nPlayers / 2;
9731 } else if(appData.tourneyType > 0) {
9732 roundsPerCycle = nPlayers - appData.tourneyType;
9733 pairingsPerRound = appData.tourneyType;
9735 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9736 gamesPerCycle = gamesPerRound * roundsPerCycle;
9737 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9738 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9739 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9740 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9741 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9742 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9744 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9745 if(appData.roundSync) *syncInterval = gamesPerRound;
9747 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9749 if(appData.tourneyType == 0) {
9750 if(curPairing == (nPlayers-1)/2 ) {
9751 *whitePlayer = curRound;
9752 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9754 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9755 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9756 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9757 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9759 } else if(appData.tourneyType > 0) {
9760 *whitePlayer = curPairing;
9761 *blackPlayer = curRound + appData.tourneyType;
9764 // take care of white/black alternation per round.
9765 // For cycles and games this is already taken care of by default, derived from matchGame!
9766 return curRound & 1;
9770 NextTourneyGame(int nr, int *swapColors)
9771 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9773 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9775 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9776 tf = fopen(appData.tourneyFile, "r");
9777 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9778 ParseArgsFromFile(tf); fclose(tf);
9779 InitTimeControls(); // TC might be altered from tourney file
9781 nPlayers = CountPlayers(appData.participants); // count participants
9782 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9783 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9786 p = q = appData.results;
9787 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9788 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9789 DisplayMessage(_("Waiting for other game(s)"),"");
9790 waitingForGame = TRUE;
9791 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9794 waitingForGame = FALSE;
9797 if(appData.tourneyType < 0) {
9798 if(nr>=0 && !pairingReceived) {
9800 if(pairing.pr == NoProc) {
9801 if(!appData.pairingEngine[0]) {
9802 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9805 StartChessProgram(&pairing); // starts the pairing engine
9807 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9808 SendToProgram(buf, &pairing);
9809 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9810 SendToProgram(buf, &pairing);
9811 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
9813 pairingReceived = 0; // ... so we continue here
9815 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
9816 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
9817 matchGame = 1; roundNr = nr / syncInterval + 1;
9820 if(first.pr != NoProc) return 1; // engines already loaded
9822 // redefine engines, engine dir, etc.
9823 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9824 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9826 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9827 SwapEngines(1); // and make that valid for second engine by swapping
9828 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9829 InitEngine(&second, 1);
9830 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9836 { // performs game initialization that does not invoke engines, and then tries to start the game
9837 int firstWhite, swapColors = 0;
9838 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9839 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9840 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9841 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9842 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9843 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9844 Reset(FALSE, first.pr != NoProc);
9845 appData.noChessProgram = FALSE;
9846 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9850 void UserAdjudicationEvent( int result )
9852 ChessMove gameResult = GameIsDrawn;
9855 gameResult = WhiteWins;
9857 else if( result < 0 ) {
9858 gameResult = BlackWins;
9861 if( gameMode == TwoMachinesPlay ) {
9862 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9867 // [HGM] save: calculate checksum of game to make games easily identifiable
9868 int StringCheckSum(char *s)
9871 if(s==NULL) return 0;
9872 while(*s) i = i*259 + *s++;
9879 for(i=backwardMostMove; i<forwardMostMove; i++) {
9880 sum += pvInfoList[i].depth;
9881 sum += StringCheckSum(parseList[i]);
9882 sum += StringCheckSum(commentList[i]);
9885 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9886 return sum + StringCheckSum(commentList[i]);
9887 } // end of save patch
9890 GameEnds(result, resultDetails, whosays)
9892 char *resultDetails;
9895 GameMode nextGameMode;
9897 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9899 if(endingGame) return; /* [HGM] crash: forbid recursion */
9901 if(twoBoards) { // [HGM] dual: switch back to one board
9902 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9903 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9905 if (appData.debugMode) {
9906 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9907 result, resultDetails ? resultDetails : "(null)", whosays);
9910 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9912 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9913 /* If we are playing on ICS, the server decides when the
9914 game is over, but the engine can offer to draw, claim
9918 if (appData.zippyPlay && first.initDone) {
9919 if (result == GameIsDrawn) {
9920 /* In case draw still needs to be claimed */
9921 SendToICS(ics_prefix);
9922 SendToICS("draw\n");
9923 } else if (StrCaseStr(resultDetails, "resign")) {
9924 SendToICS(ics_prefix);
9925 SendToICS("resign\n");
9929 endingGame = 0; /* [HGM] crash */
9933 /* If we're loading the game from a file, stop */
9934 if (whosays == GE_FILE) {
9935 (void) StopLoadGameTimer();
9939 /* Cancel draw offers */
9940 first.offeredDraw = second.offeredDraw = 0;
9942 /* If this is an ICS game, only ICS can really say it's done;
9943 if not, anyone can. */
9944 isIcsGame = (gameMode == IcsPlayingWhite ||
9945 gameMode == IcsPlayingBlack ||
9946 gameMode == IcsObserving ||
9947 gameMode == IcsExamining);
9949 if (!isIcsGame || whosays == GE_ICS) {
9950 /* OK -- not an ICS game, or ICS said it was done */
9952 if (!isIcsGame && !appData.noChessProgram)
9953 SetUserThinkingEnables();
9955 /* [HGM] if a machine claims the game end we verify this claim */
9956 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9957 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9959 ChessMove trueResult = (ChessMove) -1;
9961 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9962 first.twoMachinesColor[0] :
9963 second.twoMachinesColor[0] ;
9965 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9966 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9967 /* [HGM] verify: engine mate claims accepted if they were flagged */
9968 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9970 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9971 /* [HGM] verify: engine mate claims accepted if they were flagged */
9972 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9974 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9975 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9978 // now verify win claims, but not in drop games, as we don't understand those yet
9979 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9980 || gameInfo.variant == VariantGreat) &&
9981 (result == WhiteWins && claimer == 'w' ||
9982 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9983 if (appData.debugMode) {
9984 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9985 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9987 if(result != trueResult) {
9988 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9989 result = claimer == 'w' ? BlackWins : WhiteWins;
9990 resultDetails = buf;
9993 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9994 && (forwardMostMove <= backwardMostMove ||
9995 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9996 (claimer=='b')==(forwardMostMove&1))
9998 /* [HGM] verify: draws that were not flagged are false claims */
9999 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10000 result = claimer == 'w' ? BlackWins : WhiteWins;
10001 resultDetails = buf;
10003 /* (Claiming a loss is accepted no questions asked!) */
10005 /* [HGM] bare: don't allow bare King to win */
10006 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
10007 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10008 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10009 && result != GameIsDrawn)
10010 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10011 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10012 int p = (signed char)boards[forwardMostMove][i][j] - color;
10013 if(p >= 0 && p <= (int)WhiteKing) k++;
10015 if (appData.debugMode) {
10016 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10017 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10020 result = GameIsDrawn;
10021 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10022 resultDetails = buf;
10028 if(serverMoves != NULL && !loadFlag) { char c = '=';
10029 if(result==WhiteWins) c = '+';
10030 if(result==BlackWins) c = '-';
10031 if(resultDetails != NULL)
10032 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10034 if (resultDetails != NULL) {
10035 gameInfo.result = result;
10036 gameInfo.resultDetails = StrSave(resultDetails);
10038 /* display last move only if game was not loaded from file */
10039 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10040 DisplayMove(currentMove - 1);
10042 if (forwardMostMove != 0) {
10043 if (gameMode != PlayFromGameFile && gameMode != EditGame
10044 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10046 if (*appData.saveGameFile != NULLCHAR) {
10047 SaveGameToFile(appData.saveGameFile, TRUE);
10048 } else if (appData.autoSaveGames) {
10051 if (*appData.savePositionFile != NULLCHAR) {
10052 SavePositionToFile(appData.savePositionFile);
10057 /* Tell program how game ended in case it is learning */
10058 /* [HGM] Moved this to after saving the PGN, just in case */
10059 /* engine died and we got here through time loss. In that */
10060 /* case we will get a fatal error writing the pipe, which */
10061 /* would otherwise lose us the PGN. */
10062 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10063 /* output during GameEnds should never be fatal anymore */
10064 if (gameMode == MachinePlaysWhite ||
10065 gameMode == MachinePlaysBlack ||
10066 gameMode == TwoMachinesPlay ||
10067 gameMode == IcsPlayingWhite ||
10068 gameMode == IcsPlayingBlack ||
10069 gameMode == BeginningOfGame) {
10071 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10073 if (first.pr != NoProc) {
10074 SendToProgram(buf, &first);
10076 if (second.pr != NoProc &&
10077 gameMode == TwoMachinesPlay) {
10078 SendToProgram(buf, &second);
10083 if (appData.icsActive) {
10084 if (appData.quietPlay &&
10085 (gameMode == IcsPlayingWhite ||
10086 gameMode == IcsPlayingBlack)) {
10087 SendToICS(ics_prefix);
10088 SendToICS("set shout 1\n");
10090 nextGameMode = IcsIdle;
10091 ics_user_moved = FALSE;
10092 /* clean up premove. It's ugly when the game has ended and the
10093 * premove highlights are still on the board.
10096 gotPremove = FALSE;
10097 ClearPremoveHighlights();
10098 DrawPosition(FALSE, boards[currentMove]);
10100 if (whosays == GE_ICS) {
10103 if (gameMode == IcsPlayingWhite)
10105 else if(gameMode == IcsPlayingBlack)
10106 PlayIcsLossSound();
10109 if (gameMode == IcsPlayingBlack)
10111 else if(gameMode == IcsPlayingWhite)
10112 PlayIcsLossSound();
10115 PlayIcsDrawSound();
10118 PlayIcsUnfinishedSound();
10121 } else if (gameMode == EditGame ||
10122 gameMode == PlayFromGameFile ||
10123 gameMode == AnalyzeMode ||
10124 gameMode == AnalyzeFile) {
10125 nextGameMode = gameMode;
10127 nextGameMode = EndOfGame;
10132 nextGameMode = gameMode;
10135 if (appData.noChessProgram) {
10136 gameMode = nextGameMode;
10138 endingGame = 0; /* [HGM] crash */
10143 /* Put first chess program into idle state */
10144 if (first.pr != NoProc &&
10145 (gameMode == MachinePlaysWhite ||
10146 gameMode == MachinePlaysBlack ||
10147 gameMode == TwoMachinesPlay ||
10148 gameMode == IcsPlayingWhite ||
10149 gameMode == IcsPlayingBlack ||
10150 gameMode == BeginningOfGame)) {
10151 SendToProgram("force\n", &first);
10152 if (first.usePing) {
10154 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10155 SendToProgram(buf, &first);
10158 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10159 /* Kill off first chess program */
10160 if (first.isr != NULL)
10161 RemoveInputSource(first.isr);
10164 if (first.pr != NoProc) {
10166 DoSleep( appData.delayBeforeQuit );
10167 SendToProgram("quit\n", &first);
10168 DoSleep( appData.delayAfterQuit );
10169 DestroyChildProcess(first.pr, first.useSigterm);
10173 if (second.reuse) {
10174 /* Put second chess program into idle state */
10175 if (second.pr != NoProc &&
10176 gameMode == TwoMachinesPlay) {
10177 SendToProgram("force\n", &second);
10178 if (second.usePing) {
10180 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10181 SendToProgram(buf, &second);
10184 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10185 /* Kill off second chess program */
10186 if (second.isr != NULL)
10187 RemoveInputSource(second.isr);
10190 if (second.pr != NoProc) {
10191 DoSleep( appData.delayBeforeQuit );
10192 SendToProgram("quit\n", &second);
10193 DoSleep( appData.delayAfterQuit );
10194 DestroyChildProcess(second.pr, second.useSigterm);
10196 second.pr = NoProc;
10199 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10200 char resChar = '=';
10204 if (first.twoMachinesColor[0] == 'w') {
10207 second.matchWins++;
10212 if (first.twoMachinesColor[0] == 'b') {
10215 second.matchWins++;
10218 case GameUnfinished:
10224 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10225 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10226 ReserveGame(nextGame, resChar); // sets nextGame
10227 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10228 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10229 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10231 if (nextGame <= appData.matchGames && !abortMatch) {
10232 gameMode = nextGameMode;
10233 matchGame = nextGame; // this will be overruled in tourney mode!
10234 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10235 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10236 endingGame = 0; /* [HGM] crash */
10239 gameMode = nextGameMode;
10240 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10241 first.tidy, second.tidy,
10242 first.matchWins, second.matchWins,
10243 appData.matchGames - (first.matchWins + second.matchWins));
10244 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10245 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10246 first.twoMachinesColor = "black\n";
10247 second.twoMachinesColor = "white\n";
10249 first.twoMachinesColor = "white\n";
10250 second.twoMachinesColor = "black\n";
10254 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10255 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10257 gameMode = nextGameMode;
10259 endingGame = 0; /* [HGM] crash */
10260 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10261 if(matchMode == TRUE) { // match through command line: exit with or without popup
10263 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10265 } else DisplayFatalError(buf, 0, 0);
10266 } else { // match through menu; just stop, with or without popup
10267 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10269 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10270 } else DisplayNote(buf);
10272 if(ranking) free(ranking);
10276 /* Assumes program was just initialized (initString sent).
10277 Leaves program in force mode. */
10279 FeedMovesToProgram(cps, upto)
10280 ChessProgramState *cps;
10285 if (appData.debugMode)
10286 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10287 startedFromSetupPosition ? "position and " : "",
10288 backwardMostMove, upto, cps->which);
10289 if(currentlyInitializedVariant != gameInfo.variant) {
10291 // [HGM] variantswitch: make engine aware of new variant
10292 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10293 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10294 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10295 SendToProgram(buf, cps);
10296 currentlyInitializedVariant = gameInfo.variant;
10298 SendToProgram("force\n", cps);
10299 if (startedFromSetupPosition) {
10300 SendBoard(cps, backwardMostMove);
10301 if (appData.debugMode) {
10302 fprintf(debugFP, "feedMoves\n");
10305 for (i = backwardMostMove; i < upto; i++) {
10306 SendMoveToProgram(i, cps);
10312 ResurrectChessProgram()
10314 /* The chess program may have exited.
10315 If so, restart it and feed it all the moves made so far. */
10316 static int doInit = 0;
10318 if (appData.noChessProgram) return 1;
10320 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10321 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10322 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10323 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10325 if (first.pr != NoProc) return 1;
10326 StartChessProgram(&first);
10328 InitChessProgram(&first, FALSE);
10329 FeedMovesToProgram(&first, currentMove);
10331 if (!first.sendTime) {
10332 /* can't tell gnuchess what its clock should read,
10333 so we bow to its notion. */
10335 timeRemaining[0][currentMove] = whiteTimeRemaining;
10336 timeRemaining[1][currentMove] = blackTimeRemaining;
10339 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10340 appData.icsEngineAnalyze) && first.analysisSupport) {
10341 SendToProgram("analyze\n", &first);
10342 first.analyzing = TRUE;
10348 * Button procedures
10351 Reset(redraw, init)
10356 if (appData.debugMode) {
10357 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10358 redraw, init, gameMode);
10360 CleanupTail(); // [HGM] vari: delete any stored variations
10361 pausing = pauseExamInvalid = FALSE;
10362 startedFromSetupPosition = blackPlaysFirst = FALSE;
10364 whiteFlag = blackFlag = FALSE;
10365 userOfferedDraw = FALSE;
10366 hintRequested = bookRequested = FALSE;
10367 first.maybeThinking = FALSE;
10368 second.maybeThinking = FALSE;
10369 first.bookSuspend = FALSE; // [HGM] book
10370 second.bookSuspend = FALSE;
10371 thinkOutput[0] = NULLCHAR;
10372 lastHint[0] = NULLCHAR;
10373 ClearGameInfo(&gameInfo);
10374 gameInfo.variant = StringToVariant(appData.variant);
10375 ics_user_moved = ics_clock_paused = FALSE;
10376 ics_getting_history = H_FALSE;
10378 white_holding[0] = black_holding[0] = NULLCHAR;
10379 ClearProgramStats();
10380 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10384 flipView = appData.flipView;
10385 ClearPremoveHighlights();
10386 gotPremove = FALSE;
10387 alarmSounded = FALSE;
10389 GameEnds(EndOfFile, NULL, GE_PLAYER);
10390 if(appData.serverMovesName != NULL) {
10391 /* [HGM] prepare to make moves file for broadcasting */
10392 clock_t t = clock();
10393 if(serverMoves != NULL) fclose(serverMoves);
10394 serverMoves = fopen(appData.serverMovesName, "r");
10395 if(serverMoves != NULL) {
10396 fclose(serverMoves);
10397 /* delay 15 sec before overwriting, so all clients can see end */
10398 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10400 serverMoves = fopen(appData.serverMovesName, "w");
10404 gameMode = BeginningOfGame;
10406 if(appData.icsActive) gameInfo.variant = VariantNormal;
10407 currentMove = forwardMostMove = backwardMostMove = 0;
10408 InitPosition(redraw);
10409 for (i = 0; i < MAX_MOVES; i++) {
10410 if (commentList[i] != NULL) {
10411 free(commentList[i]);
10412 commentList[i] = NULL;
10416 timeRemaining[0][0] = whiteTimeRemaining;
10417 timeRemaining[1][0] = blackTimeRemaining;
10419 if (first.pr == NULL) {
10420 StartChessProgram(&first);
10423 InitChessProgram(&first, startedFromSetupPosition);
10426 DisplayMessage("", "");
10427 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10428 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10435 if (!AutoPlayOneMove())
10437 if (matchMode || appData.timeDelay == 0)
10439 if (appData.timeDelay < 0)
10441 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10450 int fromX, fromY, toX, toY;
10452 if (appData.debugMode) {
10453 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10456 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10459 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10460 pvInfoList[currentMove].depth = programStats.depth;
10461 pvInfoList[currentMove].score = programStats.score;
10462 pvInfoList[currentMove].time = 0;
10463 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10466 if (currentMove >= forwardMostMove) {
10467 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10468 gameMode = EditGame;
10471 /* [AS] Clear current move marker at the end of a game */
10472 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10477 toX = moveList[currentMove][2] - AAA;
10478 toY = moveList[currentMove][3] - ONE;
10480 if (moveList[currentMove][1] == '@') {
10481 if (appData.highlightLastMove) {
10482 SetHighlights(-1, -1, toX, toY);
10485 fromX = moveList[currentMove][0] - AAA;
10486 fromY = moveList[currentMove][1] - ONE;
10488 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10490 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10492 if (appData.highlightLastMove) {
10493 SetHighlights(fromX, fromY, toX, toY);
10496 DisplayMove(currentMove);
10497 SendMoveToProgram(currentMove++, &first);
10498 DisplayBothClocks();
10499 DrawPosition(FALSE, boards[currentMove]);
10500 // [HGM] PV info: always display, routine tests if empty
10501 DisplayComment(currentMove - 1, commentList[currentMove]);
10507 LoadGameOneMove(readAhead)
10508 ChessMove readAhead;
10510 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10511 char promoChar = NULLCHAR;
10512 ChessMove moveType;
10513 char move[MSG_SIZ];
10516 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10517 gameMode != AnalyzeMode && gameMode != Training) {
10522 yyboardindex = forwardMostMove;
10523 if (readAhead != EndOfFile) {
10524 moveType = readAhead;
10526 if (gameFileFP == NULL)
10528 moveType = (ChessMove) Myylex();
10532 switch (moveType) {
10534 if (appData.debugMode)
10535 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10538 /* append the comment but don't display it */
10539 AppendComment(currentMove, p, FALSE);
10542 case WhiteCapturesEnPassant:
10543 case BlackCapturesEnPassant:
10544 case WhitePromotion:
10545 case BlackPromotion:
10546 case WhiteNonPromotion:
10547 case BlackNonPromotion:
10549 case WhiteKingSideCastle:
10550 case WhiteQueenSideCastle:
10551 case BlackKingSideCastle:
10552 case BlackQueenSideCastle:
10553 case WhiteKingSideCastleWild:
10554 case WhiteQueenSideCastleWild:
10555 case BlackKingSideCastleWild:
10556 case BlackQueenSideCastleWild:
10558 case WhiteHSideCastleFR:
10559 case WhiteASideCastleFR:
10560 case BlackHSideCastleFR:
10561 case BlackASideCastleFR:
10563 if (appData.debugMode)
10564 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10565 fromX = currentMoveString[0] - AAA;
10566 fromY = currentMoveString[1] - ONE;
10567 toX = currentMoveString[2] - AAA;
10568 toY = currentMoveString[3] - ONE;
10569 promoChar = currentMoveString[4];
10574 if (appData.debugMode)
10575 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10576 fromX = moveType == WhiteDrop ?
10577 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10578 (int) CharToPiece(ToLower(currentMoveString[0]));
10580 toX = currentMoveString[2] - AAA;
10581 toY = currentMoveString[3] - ONE;
10587 case GameUnfinished:
10588 if (appData.debugMode)
10589 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10590 p = strchr(yy_text, '{');
10591 if (p == NULL) p = strchr(yy_text, '(');
10594 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10596 q = strchr(p, *p == '{' ? '}' : ')');
10597 if (q != NULL) *q = NULLCHAR;
10600 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10601 GameEnds(moveType, p, GE_FILE);
10603 if (cmailMsgLoaded) {
10605 flipView = WhiteOnMove(currentMove);
10606 if (moveType == GameUnfinished) flipView = !flipView;
10607 if (appData.debugMode)
10608 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10613 if (appData.debugMode)
10614 fprintf(debugFP, "Parser hit end of file\n");
10615 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10621 if (WhiteOnMove(currentMove)) {
10622 GameEnds(BlackWins, "Black mates", GE_FILE);
10624 GameEnds(WhiteWins, "White mates", GE_FILE);
10628 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10634 case MoveNumberOne:
10635 if (lastLoadGameStart == GNUChessGame) {
10636 /* GNUChessGames have numbers, but they aren't move numbers */
10637 if (appData.debugMode)
10638 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10639 yy_text, (int) moveType);
10640 return LoadGameOneMove(EndOfFile); /* tail recursion */
10642 /* else fall thru */
10647 /* Reached start of next game in file */
10648 if (appData.debugMode)
10649 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10650 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10656 if (WhiteOnMove(currentMove)) {
10657 GameEnds(BlackWins, "Black mates", GE_FILE);
10659 GameEnds(WhiteWins, "White mates", GE_FILE);
10663 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10669 case PositionDiagram: /* should not happen; ignore */
10670 case ElapsedTime: /* ignore */
10671 case NAG: /* ignore */
10672 if (appData.debugMode)
10673 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10674 yy_text, (int) moveType);
10675 return LoadGameOneMove(EndOfFile); /* tail recursion */
10678 if (appData.testLegality) {
10679 if (appData.debugMode)
10680 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10681 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10682 (forwardMostMove / 2) + 1,
10683 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10684 DisplayError(move, 0);
10687 if (appData.debugMode)
10688 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10689 yy_text, currentMoveString);
10690 fromX = currentMoveString[0] - AAA;
10691 fromY = currentMoveString[1] - ONE;
10692 toX = currentMoveString[2] - AAA;
10693 toY = currentMoveString[3] - ONE;
10694 promoChar = currentMoveString[4];
10698 case AmbiguousMove:
10699 if (appData.debugMode)
10700 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10701 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10702 (forwardMostMove / 2) + 1,
10703 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10704 DisplayError(move, 0);
10709 case ImpossibleMove:
10710 if (appData.debugMode)
10711 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10712 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10713 (forwardMostMove / 2) + 1,
10714 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10715 DisplayError(move, 0);
10721 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10722 DrawPosition(FALSE, boards[currentMove]);
10723 DisplayBothClocks();
10724 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10725 DisplayComment(currentMove - 1, commentList[currentMove]);
10727 (void) StopLoadGameTimer();
10729 cmailOldMove = forwardMostMove;
10732 /* currentMoveString is set as a side-effect of yylex */
10734 thinkOutput[0] = NULLCHAR;
10735 MakeMove(fromX, fromY, toX, toY, promoChar);
10736 currentMove = forwardMostMove;
10741 /* Load the nth game from the given file */
10743 LoadGameFromFile(filename, n, title, useList)
10747 /*Boolean*/ int useList;
10752 if (strcmp(filename, "-") == 0) {
10756 f = fopen(filename, "rb");
10758 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10759 DisplayError(buf, errno);
10763 if (fseek(f, 0, 0) == -1) {
10764 /* f is not seekable; probably a pipe */
10767 if (useList && n == 0) {
10768 int error = GameListBuild(f);
10770 DisplayError(_("Cannot build game list"), error);
10771 } else if (!ListEmpty(&gameList) &&
10772 ((ListGame *) gameList.tailPred)->number > 1) {
10773 GameListPopUp(f, title);
10780 return LoadGame(f, n, title, FALSE);
10785 MakeRegisteredMove()
10787 int fromX, fromY, toX, toY;
10789 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10790 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10793 if (appData.debugMode)
10794 fprintf(debugFP, "Restoring %s for game %d\n",
10795 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10797 thinkOutput[0] = NULLCHAR;
10798 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10799 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10800 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10801 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10802 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10803 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10804 MakeMove(fromX, fromY, toX, toY, promoChar);
10805 ShowMove(fromX, fromY, toX, toY);
10807 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10814 if (WhiteOnMove(currentMove)) {
10815 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10817 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10822 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10829 if (WhiteOnMove(currentMove)) {
10830 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10832 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10837 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10848 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10850 CmailLoadGame(f, gameNumber, title, useList)
10858 if (gameNumber > nCmailGames) {
10859 DisplayError(_("No more games in this message"), 0);
10862 if (f == lastLoadGameFP) {
10863 int offset = gameNumber - lastLoadGameNumber;
10865 cmailMsg[0] = NULLCHAR;
10866 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10867 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10868 nCmailMovesRegistered--;
10870 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10871 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10872 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10875 if (! RegisterMove()) return FALSE;
10879 retVal = LoadGame(f, gameNumber, title, useList);
10881 /* Make move registered during previous look at this game, if any */
10882 MakeRegisteredMove();
10884 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10885 commentList[currentMove]
10886 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10887 DisplayComment(currentMove - 1, commentList[currentMove]);
10893 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10898 int gameNumber = lastLoadGameNumber + offset;
10899 if (lastLoadGameFP == NULL) {
10900 DisplayError(_("No game has been loaded yet"), 0);
10903 if (gameNumber <= 0) {
10904 DisplayError(_("Can't back up any further"), 0);
10907 if (cmailMsgLoaded) {
10908 return CmailLoadGame(lastLoadGameFP, gameNumber,
10909 lastLoadGameTitle, lastLoadGameUseList);
10911 return LoadGame(lastLoadGameFP, gameNumber,
10912 lastLoadGameTitle, lastLoadGameUseList);
10918 /* Load the nth game from open file f */
10920 LoadGame(f, gameNumber, title, useList)
10928 int gn = gameNumber;
10929 ListGame *lg = NULL;
10930 int numPGNTags = 0;
10932 GameMode oldGameMode;
10933 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10935 if (appData.debugMode)
10936 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10938 if (gameMode == Training )
10939 SetTrainingModeOff();
10941 oldGameMode = gameMode;
10942 if (gameMode != BeginningOfGame) {
10943 Reset(FALSE, TRUE);
10947 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10948 fclose(lastLoadGameFP);
10952 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10955 fseek(f, lg->offset, 0);
10956 GameListHighlight(gameNumber);
10960 DisplayError(_("Game number out of range"), 0);
10965 if (fseek(f, 0, 0) == -1) {
10966 if (f == lastLoadGameFP ?
10967 gameNumber == lastLoadGameNumber + 1 :
10971 DisplayError(_("Can't seek on game file"), 0);
10976 lastLoadGameFP = f;
10977 lastLoadGameNumber = gameNumber;
10978 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10979 lastLoadGameUseList = useList;
10983 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10984 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10985 lg->gameInfo.black);
10987 } else if (*title != NULLCHAR) {
10988 if (gameNumber > 1) {
10989 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10992 DisplayTitle(title);
10996 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10997 gameMode = PlayFromGameFile;
11001 currentMove = forwardMostMove = backwardMostMove = 0;
11002 CopyBoard(boards[0], initialPosition);
11006 * Skip the first gn-1 games in the file.
11007 * Also skip over anything that precedes an identifiable
11008 * start of game marker, to avoid being confused by
11009 * garbage at the start of the file. Currently
11010 * recognized start of game markers are the move number "1",
11011 * the pattern "gnuchess .* game", the pattern
11012 * "^[#;%] [^ ]* game file", and a PGN tag block.
11013 * A game that starts with one of the latter two patterns
11014 * will also have a move number 1, possibly
11015 * following a position diagram.
11016 * 5-4-02: Let's try being more lenient and allowing a game to
11017 * start with an unnumbered move. Does that break anything?
11019 cm = lastLoadGameStart = EndOfFile;
11021 yyboardindex = forwardMostMove;
11022 cm = (ChessMove) Myylex();
11025 if (cmailMsgLoaded) {
11026 nCmailGames = CMAIL_MAX_GAMES - gn;
11029 DisplayError(_("Game not found in file"), 0);
11036 lastLoadGameStart = cm;
11039 case MoveNumberOne:
11040 switch (lastLoadGameStart) {
11045 case MoveNumberOne:
11047 gn--; /* count this game */
11048 lastLoadGameStart = cm;
11057 switch (lastLoadGameStart) {
11060 case MoveNumberOne:
11062 gn--; /* count this game */
11063 lastLoadGameStart = cm;
11066 lastLoadGameStart = cm; /* game counted already */
11074 yyboardindex = forwardMostMove;
11075 cm = (ChessMove) Myylex();
11076 } while (cm == PGNTag || cm == Comment);
11083 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11084 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11085 != CMAIL_OLD_RESULT) {
11087 cmailResult[ CMAIL_MAX_GAMES
11088 - gn - 1] = CMAIL_OLD_RESULT;
11094 /* Only a NormalMove can be at the start of a game
11095 * without a position diagram. */
11096 if (lastLoadGameStart == EndOfFile ) {
11098 lastLoadGameStart = MoveNumberOne;
11107 if (appData.debugMode)
11108 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11110 if (cm == XBoardGame) {
11111 /* Skip any header junk before position diagram and/or move 1 */
11113 yyboardindex = forwardMostMove;
11114 cm = (ChessMove) Myylex();
11116 if (cm == EndOfFile ||
11117 cm == GNUChessGame || cm == XBoardGame) {
11118 /* Empty game; pretend end-of-file and handle later */
11123 if (cm == MoveNumberOne || cm == PositionDiagram ||
11124 cm == PGNTag || cm == Comment)
11127 } else if (cm == GNUChessGame) {
11128 if (gameInfo.event != NULL) {
11129 free(gameInfo.event);
11131 gameInfo.event = StrSave(yy_text);
11134 startedFromSetupPosition = FALSE;
11135 while (cm == PGNTag) {
11136 if (appData.debugMode)
11137 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11138 err = ParsePGNTag(yy_text, &gameInfo);
11139 if (!err) numPGNTags++;
11141 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11142 if(gameInfo.variant != oldVariant) {
11143 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11144 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11145 InitPosition(TRUE);
11146 oldVariant = gameInfo.variant;
11147 if (appData.debugMode)
11148 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11152 if (gameInfo.fen != NULL) {
11153 Board initial_position;
11154 startedFromSetupPosition = TRUE;
11155 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11157 DisplayError(_("Bad FEN position in file"), 0);
11160 CopyBoard(boards[0], initial_position);
11161 if (blackPlaysFirst) {
11162 currentMove = forwardMostMove = backwardMostMove = 1;
11163 CopyBoard(boards[1], initial_position);
11164 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11165 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11166 timeRemaining[0][1] = whiteTimeRemaining;
11167 timeRemaining[1][1] = blackTimeRemaining;
11168 if (commentList[0] != NULL) {
11169 commentList[1] = commentList[0];
11170 commentList[0] = NULL;
11173 currentMove = forwardMostMove = backwardMostMove = 0;
11175 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11177 initialRulePlies = FENrulePlies;
11178 for( i=0; i< nrCastlingRights; i++ )
11179 initialRights[i] = initial_position[CASTLING][i];
11181 yyboardindex = forwardMostMove;
11182 free(gameInfo.fen);
11183 gameInfo.fen = NULL;
11186 yyboardindex = forwardMostMove;
11187 cm = (ChessMove) Myylex();
11189 /* Handle comments interspersed among the tags */
11190 while (cm == Comment) {
11192 if (appData.debugMode)
11193 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11195 AppendComment(currentMove, p, FALSE);
11196 yyboardindex = forwardMostMove;
11197 cm = (ChessMove) Myylex();
11201 /* don't rely on existence of Event tag since if game was
11202 * pasted from clipboard the Event tag may not exist
11204 if (numPGNTags > 0){
11206 if (gameInfo.variant == VariantNormal) {
11207 VariantClass v = StringToVariant(gameInfo.event);
11208 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11209 if(v < VariantShogi) gameInfo.variant = v;
11212 if( appData.autoDisplayTags ) {
11213 tags = PGNTags(&gameInfo);
11214 TagsPopUp(tags, CmailMsg());
11219 /* Make something up, but don't display it now */
11224 if (cm == PositionDiagram) {
11227 Board initial_position;
11229 if (appData.debugMode)
11230 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11232 if (!startedFromSetupPosition) {
11234 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11235 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11246 initial_position[i][j++] = CharToPiece(*p);
11249 while (*p == ' ' || *p == '\t' ||
11250 *p == '\n' || *p == '\r') p++;
11252 if (strncmp(p, "black", strlen("black"))==0)
11253 blackPlaysFirst = TRUE;
11255 blackPlaysFirst = FALSE;
11256 startedFromSetupPosition = TRUE;
11258 CopyBoard(boards[0], initial_position);
11259 if (blackPlaysFirst) {
11260 currentMove = forwardMostMove = backwardMostMove = 1;
11261 CopyBoard(boards[1], initial_position);
11262 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11263 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11264 timeRemaining[0][1] = whiteTimeRemaining;
11265 timeRemaining[1][1] = blackTimeRemaining;
11266 if (commentList[0] != NULL) {
11267 commentList[1] = commentList[0];
11268 commentList[0] = NULL;
11271 currentMove = forwardMostMove = backwardMostMove = 0;
11274 yyboardindex = forwardMostMove;
11275 cm = (ChessMove) Myylex();
11278 if (first.pr == NoProc) {
11279 StartChessProgram(&first);
11281 InitChessProgram(&first, FALSE);
11282 SendToProgram("force\n", &first);
11283 if (startedFromSetupPosition) {
11284 SendBoard(&first, forwardMostMove);
11285 if (appData.debugMode) {
11286 fprintf(debugFP, "Load Game\n");
11288 DisplayBothClocks();
11291 /* [HGM] server: flag to write setup moves in broadcast file as one */
11292 loadFlag = appData.suppressLoadMoves;
11294 while (cm == Comment) {
11296 if (appData.debugMode)
11297 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11299 AppendComment(currentMove, p, FALSE);
11300 yyboardindex = forwardMostMove;
11301 cm = (ChessMove) Myylex();
11304 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11305 cm == WhiteWins || cm == BlackWins ||
11306 cm == GameIsDrawn || cm == GameUnfinished) {
11307 DisplayMessage("", _("No moves in game"));
11308 if (cmailMsgLoaded) {
11309 if (appData.debugMode)
11310 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11314 DrawPosition(FALSE, boards[currentMove]);
11315 DisplayBothClocks();
11316 gameMode = EditGame;
11323 // [HGM] PV info: routine tests if comment empty
11324 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11325 DisplayComment(currentMove - 1, commentList[currentMove]);
11327 if (!matchMode && appData.timeDelay != 0)
11328 DrawPosition(FALSE, boards[currentMove]);
11330 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11331 programStats.ok_to_send = 1;
11334 /* if the first token after the PGN tags is a move
11335 * and not move number 1, retrieve it from the parser
11337 if (cm != MoveNumberOne)
11338 LoadGameOneMove(cm);
11340 /* load the remaining moves from the file */
11341 while (LoadGameOneMove(EndOfFile)) {
11342 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11343 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11346 /* rewind to the start of the game */
11347 currentMove = backwardMostMove;
11349 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11351 if (oldGameMode == AnalyzeFile ||
11352 oldGameMode == AnalyzeMode) {
11353 AnalyzeFileEvent();
11356 if (matchMode || appData.timeDelay == 0) {
11358 gameMode = EditGame;
11360 } else if (appData.timeDelay > 0) {
11361 AutoPlayGameLoop();
11364 if (appData.debugMode)
11365 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11367 loadFlag = 0; /* [HGM] true game starts */
11371 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11373 ReloadPosition(offset)
11376 int positionNumber = lastLoadPositionNumber + offset;
11377 if (lastLoadPositionFP == NULL) {
11378 DisplayError(_("No position has been loaded yet"), 0);
11381 if (positionNumber <= 0) {
11382 DisplayError(_("Can't back up any further"), 0);
11385 return LoadPosition(lastLoadPositionFP, positionNumber,
11386 lastLoadPositionTitle);
11389 /* Load the nth position from the given file */
11391 LoadPositionFromFile(filename, n, title)
11399 if (strcmp(filename, "-") == 0) {
11400 return LoadPosition(stdin, n, "stdin");
11402 f = fopen(filename, "rb");
11404 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11405 DisplayError(buf, errno);
11408 return LoadPosition(f, n, title);
11413 /* Load the nth position from the given open file, and close it */
11415 LoadPosition(f, positionNumber, title)
11417 int positionNumber;
11420 char *p, line[MSG_SIZ];
11421 Board initial_position;
11422 int i, j, fenMode, pn;
11424 if (gameMode == Training )
11425 SetTrainingModeOff();
11427 if (gameMode != BeginningOfGame) {
11428 Reset(FALSE, TRUE);
11430 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11431 fclose(lastLoadPositionFP);
11433 if (positionNumber == 0) positionNumber = 1;
11434 lastLoadPositionFP = f;
11435 lastLoadPositionNumber = positionNumber;
11436 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11437 if (first.pr == NoProc) {
11438 StartChessProgram(&first);
11439 InitChessProgram(&first, FALSE);
11441 pn = positionNumber;
11442 if (positionNumber < 0) {
11443 /* Negative position number means to seek to that byte offset */
11444 if (fseek(f, -positionNumber, 0) == -1) {
11445 DisplayError(_("Can't seek on position file"), 0);
11450 if (fseek(f, 0, 0) == -1) {
11451 if (f == lastLoadPositionFP ?
11452 positionNumber == lastLoadPositionNumber + 1 :
11453 positionNumber == 1) {
11456 DisplayError(_("Can't seek on position file"), 0);
11461 /* See if this file is FEN or old-style xboard */
11462 if (fgets(line, MSG_SIZ, f) == NULL) {
11463 DisplayError(_("Position not found in file"), 0);
11466 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11467 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11470 if (fenMode || line[0] == '#') pn--;
11472 /* skip positions before number pn */
11473 if (fgets(line, MSG_SIZ, f) == NULL) {
11475 DisplayError(_("Position not found in file"), 0);
11478 if (fenMode || line[0] == '#') pn--;
11483 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11484 DisplayError(_("Bad FEN position in file"), 0);
11488 (void) fgets(line, MSG_SIZ, f);
11489 (void) fgets(line, MSG_SIZ, f);
11491 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11492 (void) fgets(line, MSG_SIZ, f);
11493 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11496 initial_position[i][j++] = CharToPiece(*p);
11500 blackPlaysFirst = FALSE;
11502 (void) fgets(line, MSG_SIZ, f);
11503 if (strncmp(line, "black", strlen("black"))==0)
11504 blackPlaysFirst = TRUE;
11507 startedFromSetupPosition = TRUE;
11509 SendToProgram("force\n", &first);
11510 CopyBoard(boards[0], initial_position);
11511 if (blackPlaysFirst) {
11512 currentMove = forwardMostMove = backwardMostMove = 1;
11513 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11514 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11515 CopyBoard(boards[1], initial_position);
11516 DisplayMessage("", _("Black to play"));
11518 currentMove = forwardMostMove = backwardMostMove = 0;
11519 DisplayMessage("", _("White to play"));
11521 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11522 SendBoard(&first, forwardMostMove);
11523 if (appData.debugMode) {
11525 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11526 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11527 fprintf(debugFP, "Load Position\n");
11530 if (positionNumber > 1) {
11531 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11532 DisplayTitle(line);
11534 DisplayTitle(title);
11536 gameMode = EditGame;
11539 timeRemaining[0][1] = whiteTimeRemaining;
11540 timeRemaining[1][1] = blackTimeRemaining;
11541 DrawPosition(FALSE, boards[currentMove]);
11548 CopyPlayerNameIntoFileName(dest, src)
11551 while (*src != NULLCHAR && *src != ',') {
11556 *(*dest)++ = *src++;
11561 char *DefaultFileName(ext)
11564 static char def[MSG_SIZ];
11567 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11569 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11571 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11573 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11580 /* Save the current game to the given file */
11582 SaveGameToFile(filename, append)
11590 if (strcmp(filename, "-") == 0) {
11591 return SaveGame(stdout, 0, NULL);
11593 f = fopen(filename, append ? "a" : "w");
11595 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11596 DisplayError(buf, errno);
11599 safeStrCpy(buf, lastMsg, MSG_SIZ);
11600 DisplayMessage(_("Waiting for access to save file"), "");
11601 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11602 DisplayMessage(_("Saving game"), "");
11603 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11604 result = SaveGame(f, 0, NULL);
11605 DisplayMessage(buf, "");
11615 static char buf[MSG_SIZ];
11618 p = strchr(str, ' ');
11619 if (p == NULL) return str;
11620 strncpy(buf, str, p - str);
11621 buf[p - str] = NULLCHAR;
11625 #define PGN_MAX_LINE 75
11627 #define PGN_SIDE_WHITE 0
11628 #define PGN_SIDE_BLACK 1
11631 static int FindFirstMoveOutOfBook( int side )
11635 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11636 int index = backwardMostMove;
11637 int has_book_hit = 0;
11639 if( (index % 2) != side ) {
11643 while( index < forwardMostMove ) {
11644 /* Check to see if engine is in book */
11645 int depth = pvInfoList[index].depth;
11646 int score = pvInfoList[index].score;
11652 else if( score == 0 && depth == 63 ) {
11653 in_book = 1; /* Zappa */
11655 else if( score == 2 && depth == 99 ) {
11656 in_book = 1; /* Abrok */
11659 has_book_hit += in_book;
11675 void GetOutOfBookInfo( char * buf )
11679 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11681 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11682 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11686 if( oob[0] >= 0 || oob[1] >= 0 ) {
11687 for( i=0; i<2; i++ ) {
11691 if( i > 0 && oob[0] >= 0 ) {
11692 strcat( buf, " " );
11695 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11696 sprintf( buf+strlen(buf), "%s%.2f",
11697 pvInfoList[idx].score >= 0 ? "+" : "",
11698 pvInfoList[idx].score / 100.0 );
11704 /* Save game in PGN style and close the file */
11709 int i, offset, linelen, newblock;
11713 int movelen, numlen, blank;
11714 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11716 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11718 tm = time((time_t *) NULL);
11720 PrintPGNTags(f, &gameInfo);
11722 if (backwardMostMove > 0 || startedFromSetupPosition) {
11723 char *fen = PositionToFEN(backwardMostMove, NULL);
11724 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11725 fprintf(f, "\n{--------------\n");
11726 PrintPosition(f, backwardMostMove);
11727 fprintf(f, "--------------}\n");
11731 /* [AS] Out of book annotation */
11732 if( appData.saveOutOfBookInfo ) {
11735 GetOutOfBookInfo( buf );
11737 if( buf[0] != '\0' ) {
11738 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11745 i = backwardMostMove;
11749 while (i < forwardMostMove) {
11750 /* Print comments preceding this move */
11751 if (commentList[i] != NULL) {
11752 if (linelen > 0) fprintf(f, "\n");
11753 fprintf(f, "%s", commentList[i]);
11758 /* Format move number */
11760 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11763 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11765 numtext[0] = NULLCHAR;
11767 numlen = strlen(numtext);
11770 /* Print move number */
11771 blank = linelen > 0 && numlen > 0;
11772 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11781 fprintf(f, "%s", numtext);
11785 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11786 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11789 blank = linelen > 0 && movelen > 0;
11790 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11799 fprintf(f, "%s", move_buffer);
11800 linelen += movelen;
11802 /* [AS] Add PV info if present */
11803 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11804 /* [HGM] add time */
11805 char buf[MSG_SIZ]; int seconds;
11807 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11813 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11816 seconds = (seconds + 4)/10; // round to full seconds
11818 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11820 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11823 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11824 pvInfoList[i].score >= 0 ? "+" : "",
11825 pvInfoList[i].score / 100.0,
11826 pvInfoList[i].depth,
11829 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11831 /* Print score/depth */
11832 blank = linelen > 0 && movelen > 0;
11833 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11842 fprintf(f, "%s", move_buffer);
11843 linelen += movelen;
11849 /* Start a new line */
11850 if (linelen > 0) fprintf(f, "\n");
11852 /* Print comments after last move */
11853 if (commentList[i] != NULL) {
11854 fprintf(f, "%s\n", commentList[i]);
11858 if (gameInfo.resultDetails != NULL &&
11859 gameInfo.resultDetails[0] != NULLCHAR) {
11860 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11861 PGNResult(gameInfo.result));
11863 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11867 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11871 /* Save game in old style and close the file */
11873 SaveGameOldStyle(f)
11879 tm = time((time_t *) NULL);
11881 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11884 if (backwardMostMove > 0 || startedFromSetupPosition) {
11885 fprintf(f, "\n[--------------\n");
11886 PrintPosition(f, backwardMostMove);
11887 fprintf(f, "--------------]\n");
11892 i = backwardMostMove;
11893 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11895 while (i < forwardMostMove) {
11896 if (commentList[i] != NULL) {
11897 fprintf(f, "[%s]\n", commentList[i]);
11900 if ((i % 2) == 1) {
11901 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11904 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11906 if (commentList[i] != NULL) {
11910 if (i >= forwardMostMove) {
11914 fprintf(f, "%s\n", parseList[i]);
11919 if (commentList[i] != NULL) {
11920 fprintf(f, "[%s]\n", commentList[i]);
11923 /* This isn't really the old style, but it's close enough */
11924 if (gameInfo.resultDetails != NULL &&
11925 gameInfo.resultDetails[0] != NULLCHAR) {
11926 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11927 gameInfo.resultDetails);
11929 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11936 /* Save the current game to open file f and close the file */
11938 SaveGame(f, dummy, dummy2)
11943 if (gameMode == EditPosition) EditPositionDone(TRUE);
11944 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11945 if (appData.oldSaveStyle)
11946 return SaveGameOldStyle(f);
11948 return SaveGamePGN(f);
11951 /* Save the current position to the given file */
11953 SavePositionToFile(filename)
11959 if (strcmp(filename, "-") == 0) {
11960 return SavePosition(stdout, 0, NULL);
11962 f = fopen(filename, "a");
11964 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11965 DisplayError(buf, errno);
11968 safeStrCpy(buf, lastMsg, MSG_SIZ);
11969 DisplayMessage(_("Waiting for access to save file"), "");
11970 flock(fileno(f), LOCK_EX); // [HGM] lock
11971 DisplayMessage(_("Saving position"), "");
11972 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
11973 SavePosition(f, 0, NULL);
11974 DisplayMessage(buf, "");
11980 /* Save the current position to the given open file and close the file */
11982 SavePosition(f, dummy, dummy2)
11990 if (gameMode == EditPosition) EditPositionDone(TRUE);
11991 if (appData.oldSaveStyle) {
11992 tm = time((time_t *) NULL);
11994 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11996 fprintf(f, "[--------------\n");
11997 PrintPosition(f, currentMove);
11998 fprintf(f, "--------------]\n");
12000 fen = PositionToFEN(currentMove, NULL);
12001 fprintf(f, "%s\n", fen);
12009 ReloadCmailMsgEvent(unregister)
12013 static char *inFilename = NULL;
12014 static char *outFilename;
12016 struct stat inbuf, outbuf;
12019 /* Any registered moves are unregistered if unregister is set, */
12020 /* i.e. invoked by the signal handler */
12022 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12023 cmailMoveRegistered[i] = FALSE;
12024 if (cmailCommentList[i] != NULL) {
12025 free(cmailCommentList[i]);
12026 cmailCommentList[i] = NULL;
12029 nCmailMovesRegistered = 0;
12032 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12033 cmailResult[i] = CMAIL_NOT_RESULT;
12037 if (inFilename == NULL) {
12038 /* Because the filenames are static they only get malloced once */
12039 /* and they never get freed */
12040 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12041 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12043 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12044 sprintf(outFilename, "%s.out", appData.cmailGameName);
12047 status = stat(outFilename, &outbuf);
12049 cmailMailedMove = FALSE;
12051 status = stat(inFilename, &inbuf);
12052 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12055 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12056 counts the games, notes how each one terminated, etc.
12058 It would be nice to remove this kludge and instead gather all
12059 the information while building the game list. (And to keep it
12060 in the game list nodes instead of having a bunch of fixed-size
12061 parallel arrays.) Note this will require getting each game's
12062 termination from the PGN tags, as the game list builder does
12063 not process the game moves. --mann
12065 cmailMsgLoaded = TRUE;
12066 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12068 /* Load first game in the file or popup game menu */
12069 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12071 #endif /* !WIN32 */
12079 char string[MSG_SIZ];
12081 if ( cmailMailedMove
12082 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12083 return TRUE; /* Allow free viewing */
12086 /* Unregister move to ensure that we don't leave RegisterMove */
12087 /* with the move registered when the conditions for registering no */
12089 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12090 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12091 nCmailMovesRegistered --;
12093 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12095 free(cmailCommentList[lastLoadGameNumber - 1]);
12096 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12100 if (cmailOldMove == -1) {
12101 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12105 if (currentMove > cmailOldMove + 1) {
12106 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12110 if (currentMove < cmailOldMove) {
12111 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12115 if (forwardMostMove > currentMove) {
12116 /* Silently truncate extra moves */
12120 if ( (currentMove == cmailOldMove + 1)
12121 || ( (currentMove == cmailOldMove)
12122 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12123 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12124 if (gameInfo.result != GameUnfinished) {
12125 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12128 if (commentList[currentMove] != NULL) {
12129 cmailCommentList[lastLoadGameNumber - 1]
12130 = StrSave(commentList[currentMove]);
12132 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12134 if (appData.debugMode)
12135 fprintf(debugFP, "Saving %s for game %d\n",
12136 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12138 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12140 f = fopen(string, "w");
12141 if (appData.oldSaveStyle) {
12142 SaveGameOldStyle(f); /* also closes the file */
12144 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12145 f = fopen(string, "w");
12146 SavePosition(f, 0, NULL); /* also closes the file */
12148 fprintf(f, "{--------------\n");
12149 PrintPosition(f, currentMove);
12150 fprintf(f, "--------------}\n\n");
12152 SaveGame(f, 0, NULL); /* also closes the file*/
12155 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12156 nCmailMovesRegistered ++;
12157 } else if (nCmailGames == 1) {
12158 DisplayError(_("You have not made a move yet"), 0);
12169 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12170 FILE *commandOutput;
12171 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12172 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12178 if (! cmailMsgLoaded) {
12179 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12183 if (nCmailGames == nCmailResults) {
12184 DisplayError(_("No unfinished games"), 0);
12188 #if CMAIL_PROHIBIT_REMAIL
12189 if (cmailMailedMove) {
12190 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);
12191 DisplayError(msg, 0);
12196 if (! (cmailMailedMove || RegisterMove())) return;
12198 if ( cmailMailedMove
12199 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12200 snprintf(string, MSG_SIZ, partCommandString,
12201 appData.debugMode ? " -v" : "", appData.cmailGameName);
12202 commandOutput = popen(string, "r");
12204 if (commandOutput == NULL) {
12205 DisplayError(_("Failed to invoke cmail"), 0);
12207 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12208 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12210 if (nBuffers > 1) {
12211 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12212 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12213 nBytes = MSG_SIZ - 1;
12215 (void) memcpy(msg, buffer, nBytes);
12217 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12219 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12220 cmailMailedMove = TRUE; /* Prevent >1 moves */
12223 for (i = 0; i < nCmailGames; i ++) {
12224 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12229 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12231 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12233 appData.cmailGameName,
12235 LoadGameFromFile(buffer, 1, buffer, FALSE);
12236 cmailMsgLoaded = FALSE;
12240 DisplayInformation(msg);
12241 pclose(commandOutput);
12244 if ((*cmailMsg) != '\0') {
12245 DisplayInformation(cmailMsg);
12250 #endif /* !WIN32 */
12259 int prependComma = 0;
12261 char string[MSG_SIZ]; /* Space for game-list */
12264 if (!cmailMsgLoaded) return "";
12266 if (cmailMailedMove) {
12267 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12269 /* Create a list of games left */
12270 snprintf(string, MSG_SIZ, "[");
12271 for (i = 0; i < nCmailGames; i ++) {
12272 if (! ( cmailMoveRegistered[i]
12273 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12274 if (prependComma) {
12275 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12277 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12281 strcat(string, number);
12284 strcat(string, "]");
12286 if (nCmailMovesRegistered + nCmailResults == 0) {
12287 switch (nCmailGames) {
12289 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12293 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12297 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12302 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12304 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12309 if (nCmailResults == nCmailGames) {
12310 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12312 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12317 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12329 if (gameMode == Training)
12330 SetTrainingModeOff();
12333 cmailMsgLoaded = FALSE;
12334 if (appData.icsActive) {
12335 SendToICS(ics_prefix);
12336 SendToICS("refresh\n");
12346 /* Give up on clean exit */
12350 /* Keep trying for clean exit */
12354 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12356 if (telnetISR != NULL) {
12357 RemoveInputSource(telnetISR);
12359 if (icsPR != NoProc) {
12360 DestroyChildProcess(icsPR, TRUE);
12363 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12364 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12366 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12367 /* make sure this other one finishes before killing it! */
12368 if(endingGame) { int count = 0;
12369 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12370 while(endingGame && count++ < 10) DoSleep(1);
12371 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12374 /* Kill off chess programs */
12375 if (first.pr != NoProc) {
12378 DoSleep( appData.delayBeforeQuit );
12379 SendToProgram("quit\n", &first);
12380 DoSleep( appData.delayAfterQuit );
12381 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12383 if (second.pr != NoProc) {
12384 DoSleep( appData.delayBeforeQuit );
12385 SendToProgram("quit\n", &second);
12386 DoSleep( appData.delayAfterQuit );
12387 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12389 if (first.isr != NULL) {
12390 RemoveInputSource(first.isr);
12392 if (second.isr != NULL) {
12393 RemoveInputSource(second.isr);
12396 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12397 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12399 ShutDownFrontEnd();
12406 if (appData.debugMode)
12407 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12411 if (gameMode == MachinePlaysWhite ||
12412 gameMode == MachinePlaysBlack) {
12415 DisplayBothClocks();
12417 if (gameMode == PlayFromGameFile) {
12418 if (appData.timeDelay >= 0)
12419 AutoPlayGameLoop();
12420 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12421 Reset(FALSE, TRUE);
12422 SendToICS(ics_prefix);
12423 SendToICS("refresh\n");
12424 } else if (currentMove < forwardMostMove) {
12425 ForwardInner(forwardMostMove);
12427 pauseExamInvalid = FALSE;
12429 switch (gameMode) {
12433 pauseExamForwardMostMove = forwardMostMove;
12434 pauseExamInvalid = FALSE;
12437 case IcsPlayingWhite:
12438 case IcsPlayingBlack:
12442 case PlayFromGameFile:
12443 (void) StopLoadGameTimer();
12447 case BeginningOfGame:
12448 if (appData.icsActive) return;
12449 /* else fall through */
12450 case MachinePlaysWhite:
12451 case MachinePlaysBlack:
12452 case TwoMachinesPlay:
12453 if (forwardMostMove == 0)
12454 return; /* don't pause if no one has moved */
12455 if ((gameMode == MachinePlaysWhite &&
12456 !WhiteOnMove(forwardMostMove)) ||
12457 (gameMode == MachinePlaysBlack &&
12458 WhiteOnMove(forwardMostMove))) {
12471 char title[MSG_SIZ];
12473 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12474 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12476 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12477 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12478 parseList[currentMove - 1]);
12481 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12488 char *tags = PGNTags(&gameInfo);
12490 EditTagsPopUp(tags, NULL);
12497 if (appData.noChessProgram || gameMode == AnalyzeMode)
12500 if (gameMode != AnalyzeFile) {
12501 if (!appData.icsEngineAnalyze) {
12503 if (gameMode != EditGame) return;
12505 ResurrectChessProgram();
12506 SendToProgram("analyze\n", &first);
12507 first.analyzing = TRUE;
12508 /*first.maybeThinking = TRUE;*/
12509 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12510 EngineOutputPopUp();
12512 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12517 StartAnalysisClock();
12518 GetTimeMark(&lastNodeCountTime);
12525 if (appData.noChessProgram || gameMode == AnalyzeFile)
12528 if (gameMode != AnalyzeMode) {
12530 if (gameMode != EditGame) return;
12531 ResurrectChessProgram();
12532 SendToProgram("analyze\n", &first);
12533 first.analyzing = TRUE;
12534 /*first.maybeThinking = TRUE;*/
12535 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12536 EngineOutputPopUp();
12538 gameMode = AnalyzeFile;
12543 StartAnalysisClock();
12544 GetTimeMark(&lastNodeCountTime);
12549 MachineWhiteEvent()
12552 char *bookHit = NULL;
12554 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12558 if (gameMode == PlayFromGameFile ||
12559 gameMode == TwoMachinesPlay ||
12560 gameMode == Training ||
12561 gameMode == AnalyzeMode ||
12562 gameMode == EndOfGame)
12565 if (gameMode == EditPosition)
12566 EditPositionDone(TRUE);
12568 if (!WhiteOnMove(currentMove)) {
12569 DisplayError(_("It is not White's turn"), 0);
12573 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12576 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12577 gameMode == AnalyzeFile)
12580 ResurrectChessProgram(); /* in case it isn't running */
12581 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12582 gameMode = MachinePlaysWhite;
12585 gameMode = MachinePlaysWhite;
12589 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12591 if (first.sendName) {
12592 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12593 SendToProgram(buf, &first);
12595 if (first.sendTime) {
12596 if (first.useColors) {
12597 SendToProgram("black\n", &first); /*gnu kludge*/
12599 SendTimeRemaining(&first, TRUE);
12601 if (first.useColors) {
12602 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12604 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12605 SetMachineThinkingEnables();
12606 first.maybeThinking = TRUE;
12610 if (appData.autoFlipView && !flipView) {
12611 flipView = !flipView;
12612 DrawPosition(FALSE, NULL);
12613 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12616 if(bookHit) { // [HGM] book: simulate book reply
12617 static char bookMove[MSG_SIZ]; // a bit generous?
12619 programStats.nodes = programStats.depth = programStats.time =
12620 programStats.score = programStats.got_only_move = 0;
12621 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12623 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12624 strcat(bookMove, bookHit);
12625 HandleMachineMove(bookMove, &first);
12630 MachineBlackEvent()
12633 char *bookHit = NULL;
12635 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12639 if (gameMode == PlayFromGameFile ||
12640 gameMode == TwoMachinesPlay ||
12641 gameMode == Training ||
12642 gameMode == AnalyzeMode ||
12643 gameMode == EndOfGame)
12646 if (gameMode == EditPosition)
12647 EditPositionDone(TRUE);
12649 if (WhiteOnMove(currentMove)) {
12650 DisplayError(_("It is not Black's turn"), 0);
12654 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12657 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12658 gameMode == AnalyzeFile)
12661 ResurrectChessProgram(); /* in case it isn't running */
12662 gameMode = MachinePlaysBlack;
12666 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12668 if (first.sendName) {
12669 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12670 SendToProgram(buf, &first);
12672 if (first.sendTime) {
12673 if (first.useColors) {
12674 SendToProgram("white\n", &first); /*gnu kludge*/
12676 SendTimeRemaining(&first, FALSE);
12678 if (first.useColors) {
12679 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12681 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12682 SetMachineThinkingEnables();
12683 first.maybeThinking = TRUE;
12686 if (appData.autoFlipView && flipView) {
12687 flipView = !flipView;
12688 DrawPosition(FALSE, NULL);
12689 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12691 if(bookHit) { // [HGM] book: simulate book reply
12692 static char bookMove[MSG_SIZ]; // a bit generous?
12694 programStats.nodes = programStats.depth = programStats.time =
12695 programStats.score = programStats.got_only_move = 0;
12696 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12698 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12699 strcat(bookMove, bookHit);
12700 HandleMachineMove(bookMove, &first);
12706 DisplayTwoMachinesTitle()
12709 if (appData.matchGames > 0) {
12710 if(appData.tourneyFile[0]) {
12711 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
12712 gameInfo.white, gameInfo.black,
12713 nextGame+1, appData.matchGames+1,
12714 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
12716 if (first.twoMachinesColor[0] == 'w') {
12717 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12718 gameInfo.white, gameInfo.black,
12719 first.matchWins, second.matchWins,
12720 matchGame - 1 - (first.matchWins + second.matchWins));
12722 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12723 gameInfo.white, gameInfo.black,
12724 second.matchWins, first.matchWins,
12725 matchGame - 1 - (first.matchWins + second.matchWins));
12728 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12734 SettingsMenuIfReady()
12736 if (second.lastPing != second.lastPong) {
12737 DisplayMessage("", _("Waiting for second chess program"));
12738 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12742 DisplayMessage("", "");
12743 SettingsPopUp(&second);
12747 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12750 if (cps->pr == NULL) {
12751 StartChessProgram(cps);
12752 if (cps->protocolVersion == 1) {
12755 /* kludge: allow timeout for initial "feature" command */
12757 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12758 DisplayMessage("", buf);
12759 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12767 TwoMachinesEvent P((void))
12771 ChessProgramState *onmove;
12772 char *bookHit = NULL;
12773 static int stalling = 0;
12777 if (appData.noChessProgram) return;
12779 switch (gameMode) {
12780 case TwoMachinesPlay:
12782 case MachinePlaysWhite:
12783 case MachinePlaysBlack:
12784 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12785 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12789 case BeginningOfGame:
12790 case PlayFromGameFile:
12793 if (gameMode != EditGame) return;
12796 EditPositionDone(TRUE);
12807 // forwardMostMove = currentMove;
12808 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12810 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12812 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12813 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12814 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12818 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12819 SendToProgram("force\n", &second);
12821 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12824 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12825 if(appData.matchPause>10000 || appData.matchPause<10)
12826 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12827 wait = SubtractTimeMarks(&now, &pauseStart);
12828 if(wait < appData.matchPause) {
12829 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12833 DisplayMessage("", "");
12834 if (startedFromSetupPosition) {
12835 SendBoard(&second, backwardMostMove);
12836 if (appData.debugMode) {
12837 fprintf(debugFP, "Two Machines\n");
12840 for (i = backwardMostMove; i < forwardMostMove; i++) {
12841 SendMoveToProgram(i, &second);
12844 gameMode = TwoMachinesPlay;
12848 DisplayTwoMachinesTitle();
12850 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12855 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12856 SendToProgram(first.computerString, &first);
12857 if (first.sendName) {
12858 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12859 SendToProgram(buf, &first);
12861 SendToProgram(second.computerString, &second);
12862 if (second.sendName) {
12863 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12864 SendToProgram(buf, &second);
12868 if (!first.sendTime || !second.sendTime) {
12869 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12870 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12872 if (onmove->sendTime) {
12873 if (onmove->useColors) {
12874 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12876 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12878 if (onmove->useColors) {
12879 SendToProgram(onmove->twoMachinesColor, onmove);
12881 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12882 // SendToProgram("go\n", onmove);
12883 onmove->maybeThinking = TRUE;
12884 SetMachineThinkingEnables();
12888 if(bookHit) { // [HGM] book: simulate book reply
12889 static char bookMove[MSG_SIZ]; // a bit generous?
12891 programStats.nodes = programStats.depth = programStats.time =
12892 programStats.score = programStats.got_only_move = 0;
12893 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12895 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12896 strcat(bookMove, bookHit);
12897 savedMessage = bookMove; // args for deferred call
12898 savedState = onmove;
12899 ScheduleDelayedEvent(DeferredBookMove, 1);
12906 if (gameMode == Training) {
12907 SetTrainingModeOff();
12908 gameMode = PlayFromGameFile;
12909 DisplayMessage("", _("Training mode off"));
12911 gameMode = Training;
12912 animateTraining = appData.animate;
12914 /* make sure we are not already at the end of the game */
12915 if (currentMove < forwardMostMove) {
12916 SetTrainingModeOn();
12917 DisplayMessage("", _("Training mode on"));
12919 gameMode = PlayFromGameFile;
12920 DisplayError(_("Already at end of game"), 0);
12929 if (!appData.icsActive) return;
12930 switch (gameMode) {
12931 case IcsPlayingWhite:
12932 case IcsPlayingBlack:
12935 case BeginningOfGame:
12943 EditPositionDone(TRUE);
12956 gameMode = IcsIdle;
12967 switch (gameMode) {
12969 SetTrainingModeOff();
12971 case MachinePlaysWhite:
12972 case MachinePlaysBlack:
12973 case BeginningOfGame:
12974 SendToProgram("force\n", &first);
12975 SetUserThinkingEnables();
12977 case PlayFromGameFile:
12978 (void) StopLoadGameTimer();
12979 if (gameFileFP != NULL) {
12984 EditPositionDone(TRUE);
12989 SendToProgram("force\n", &first);
12991 case TwoMachinesPlay:
12992 GameEnds(EndOfFile, NULL, GE_PLAYER);
12993 ResurrectChessProgram();
12994 SetUserThinkingEnables();
12997 ResurrectChessProgram();
12999 case IcsPlayingBlack:
13000 case IcsPlayingWhite:
13001 DisplayError(_("Warning: You are still playing a game"), 0);
13004 DisplayError(_("Warning: You are still observing a game"), 0);
13007 DisplayError(_("Warning: You are still examining a game"), 0);
13018 first.offeredDraw = second.offeredDraw = 0;
13020 if (gameMode == PlayFromGameFile) {
13021 whiteTimeRemaining = timeRemaining[0][currentMove];
13022 blackTimeRemaining = timeRemaining[1][currentMove];
13026 if (gameMode == MachinePlaysWhite ||
13027 gameMode == MachinePlaysBlack ||
13028 gameMode == TwoMachinesPlay ||
13029 gameMode == EndOfGame) {
13030 i = forwardMostMove;
13031 while (i > currentMove) {
13032 SendToProgram("undo\n", &first);
13035 whiteTimeRemaining = timeRemaining[0][currentMove];
13036 blackTimeRemaining = timeRemaining[1][currentMove];
13037 DisplayBothClocks();
13038 if (whiteFlag || blackFlag) {
13039 whiteFlag = blackFlag = 0;
13044 gameMode = EditGame;
13051 EditPositionEvent()
13053 if (gameMode == EditPosition) {
13059 if (gameMode != EditGame) return;
13061 gameMode = EditPosition;
13064 if (currentMove > 0)
13065 CopyBoard(boards[0], boards[currentMove]);
13067 blackPlaysFirst = !WhiteOnMove(currentMove);
13069 currentMove = forwardMostMove = backwardMostMove = 0;
13070 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13077 /* [DM] icsEngineAnalyze - possible call from other functions */
13078 if (appData.icsEngineAnalyze) {
13079 appData.icsEngineAnalyze = FALSE;
13081 DisplayMessage("",_("Close ICS engine analyze..."));
13083 if (first.analysisSupport && first.analyzing) {
13084 SendToProgram("exit\n", &first);
13085 first.analyzing = FALSE;
13087 thinkOutput[0] = NULLCHAR;
13091 EditPositionDone(Boolean fakeRights)
13093 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13095 startedFromSetupPosition = TRUE;
13096 InitChessProgram(&first, FALSE);
13097 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13098 boards[0][EP_STATUS] = EP_NONE;
13099 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13100 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13101 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13102 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13103 } else boards[0][CASTLING][2] = NoRights;
13104 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13105 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13106 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13107 } else boards[0][CASTLING][5] = NoRights;
13109 SendToProgram("force\n", &first);
13110 if (blackPlaysFirst) {
13111 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13112 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13113 currentMove = forwardMostMove = backwardMostMove = 1;
13114 CopyBoard(boards[1], boards[0]);
13116 currentMove = forwardMostMove = backwardMostMove = 0;
13118 SendBoard(&first, forwardMostMove);
13119 if (appData.debugMode) {
13120 fprintf(debugFP, "EditPosDone\n");
13123 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13124 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13125 gameMode = EditGame;
13127 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13128 ClearHighlights(); /* [AS] */
13131 /* Pause for `ms' milliseconds */
13132 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13142 } while (SubtractTimeMarks(&m2, &m1) < ms);
13145 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13147 SendMultiLineToICS(buf)
13150 char temp[MSG_SIZ+1], *p;
13157 strncpy(temp, buf, len);
13162 if (*p == '\n' || *p == '\r')
13167 strcat(temp, "\n");
13169 SendToPlayer(temp, strlen(temp));
13173 SetWhiteToPlayEvent()
13175 if (gameMode == EditPosition) {
13176 blackPlaysFirst = FALSE;
13177 DisplayBothClocks(); /* works because currentMove is 0 */
13178 } else if (gameMode == IcsExamining) {
13179 SendToICS(ics_prefix);
13180 SendToICS("tomove white\n");
13185 SetBlackToPlayEvent()
13187 if (gameMode == EditPosition) {
13188 blackPlaysFirst = TRUE;
13189 currentMove = 1; /* kludge */
13190 DisplayBothClocks();
13192 } else if (gameMode == IcsExamining) {
13193 SendToICS(ics_prefix);
13194 SendToICS("tomove black\n");
13199 EditPositionMenuEvent(selection, x, y)
13200 ChessSquare selection;
13204 ChessSquare piece = boards[0][y][x];
13206 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13208 switch (selection) {
13210 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13211 SendToICS(ics_prefix);
13212 SendToICS("bsetup clear\n");
13213 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13214 SendToICS(ics_prefix);
13215 SendToICS("clearboard\n");
13217 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13218 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13219 for (y = 0; y < BOARD_HEIGHT; y++) {
13220 if (gameMode == IcsExamining) {
13221 if (boards[currentMove][y][x] != EmptySquare) {
13222 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13227 boards[0][y][x] = p;
13232 if (gameMode == EditPosition) {
13233 DrawPosition(FALSE, boards[0]);
13238 SetWhiteToPlayEvent();
13242 SetBlackToPlayEvent();
13246 if (gameMode == IcsExamining) {
13247 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13248 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13251 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13252 if(x == BOARD_LEFT-2) {
13253 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13254 boards[0][y][1] = 0;
13256 if(x == BOARD_RGHT+1) {
13257 if(y >= gameInfo.holdingsSize) break;
13258 boards[0][y][BOARD_WIDTH-2] = 0;
13261 boards[0][y][x] = EmptySquare;
13262 DrawPosition(FALSE, boards[0]);
13267 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13268 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13269 selection = (ChessSquare) (PROMOTED piece);
13270 } else if(piece == EmptySquare) selection = WhiteSilver;
13271 else selection = (ChessSquare)((int)piece - 1);
13275 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13276 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13277 selection = (ChessSquare) (DEMOTED piece);
13278 } else if(piece == EmptySquare) selection = BlackSilver;
13279 else selection = (ChessSquare)((int)piece + 1);
13284 if(gameInfo.variant == VariantShatranj ||
13285 gameInfo.variant == VariantXiangqi ||
13286 gameInfo.variant == VariantCourier ||
13287 gameInfo.variant == VariantMakruk )
13288 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13293 if(gameInfo.variant == VariantXiangqi)
13294 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13295 if(gameInfo.variant == VariantKnightmate)
13296 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13299 if (gameMode == IcsExamining) {
13300 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13301 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13302 PieceToChar(selection), AAA + x, ONE + y);
13305 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13307 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13308 n = PieceToNumber(selection - BlackPawn);
13309 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13310 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13311 boards[0][BOARD_HEIGHT-1-n][1]++;
13313 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13314 n = PieceToNumber(selection);
13315 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13316 boards[0][n][BOARD_WIDTH-1] = selection;
13317 boards[0][n][BOARD_WIDTH-2]++;
13320 boards[0][y][x] = selection;
13321 DrawPosition(TRUE, boards[0]);
13329 DropMenuEvent(selection, x, y)
13330 ChessSquare selection;
13333 ChessMove moveType;
13335 switch (gameMode) {
13336 case IcsPlayingWhite:
13337 case MachinePlaysBlack:
13338 if (!WhiteOnMove(currentMove)) {
13339 DisplayMoveError(_("It is Black's turn"));
13342 moveType = WhiteDrop;
13344 case IcsPlayingBlack:
13345 case MachinePlaysWhite:
13346 if (WhiteOnMove(currentMove)) {
13347 DisplayMoveError(_("It is White's turn"));
13350 moveType = BlackDrop;
13353 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13359 if (moveType == BlackDrop && selection < BlackPawn) {
13360 selection = (ChessSquare) ((int) selection
13361 + (int) BlackPawn - (int) WhitePawn);
13363 if (boards[currentMove][y][x] != EmptySquare) {
13364 DisplayMoveError(_("That square is occupied"));
13368 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13374 /* Accept a pending offer of any kind from opponent */
13376 if (appData.icsActive) {
13377 SendToICS(ics_prefix);
13378 SendToICS("accept\n");
13379 } else if (cmailMsgLoaded) {
13380 if (currentMove == cmailOldMove &&
13381 commentList[cmailOldMove] != NULL &&
13382 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13383 "Black offers a draw" : "White offers a draw")) {
13385 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13386 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13388 DisplayError(_("There is no pending offer on this move"), 0);
13389 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13392 /* Not used for offers from chess program */
13399 /* Decline a pending offer of any kind from opponent */
13401 if (appData.icsActive) {
13402 SendToICS(ics_prefix);
13403 SendToICS("decline\n");
13404 } else if (cmailMsgLoaded) {
13405 if (currentMove == cmailOldMove &&
13406 commentList[cmailOldMove] != NULL &&
13407 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13408 "Black offers a draw" : "White offers a draw")) {
13410 AppendComment(cmailOldMove, "Draw declined", TRUE);
13411 DisplayComment(cmailOldMove - 1, "Draw declined");
13414 DisplayError(_("There is no pending offer on this move"), 0);
13417 /* Not used for offers from chess program */
13424 /* Issue ICS rematch command */
13425 if (appData.icsActive) {
13426 SendToICS(ics_prefix);
13427 SendToICS("rematch\n");
13434 /* Call your opponent's flag (claim a win on time) */
13435 if (appData.icsActive) {
13436 SendToICS(ics_prefix);
13437 SendToICS("flag\n");
13439 switch (gameMode) {
13442 case MachinePlaysWhite:
13445 GameEnds(GameIsDrawn, "Both players ran out of time",
13448 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13450 DisplayError(_("Your opponent is not out of time"), 0);
13453 case MachinePlaysBlack:
13456 GameEnds(GameIsDrawn, "Both players ran out of time",
13459 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13461 DisplayError(_("Your opponent is not out of time"), 0);
13469 ClockClick(int which)
13470 { // [HGM] code moved to back-end from winboard.c
13471 if(which) { // black clock
13472 if (gameMode == EditPosition || gameMode == IcsExamining) {
13473 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13474 SetBlackToPlayEvent();
13475 } else if (gameMode == EditGame || shiftKey) {
13476 AdjustClock(which, -1);
13477 } else if (gameMode == IcsPlayingWhite ||
13478 gameMode == MachinePlaysBlack) {
13481 } else { // white clock
13482 if (gameMode == EditPosition || gameMode == IcsExamining) {
13483 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13484 SetWhiteToPlayEvent();
13485 } else if (gameMode == EditGame || shiftKey) {
13486 AdjustClock(which, -1);
13487 } else if (gameMode == IcsPlayingBlack ||
13488 gameMode == MachinePlaysWhite) {
13497 /* Offer draw or accept pending draw offer from opponent */
13499 if (appData.icsActive) {
13500 /* Note: tournament rules require draw offers to be
13501 made after you make your move but before you punch
13502 your clock. Currently ICS doesn't let you do that;
13503 instead, you immediately punch your clock after making
13504 a move, but you can offer a draw at any time. */
13506 SendToICS(ics_prefix);
13507 SendToICS("draw\n");
13508 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13509 } else if (cmailMsgLoaded) {
13510 if (currentMove == cmailOldMove &&
13511 commentList[cmailOldMove] != NULL &&
13512 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13513 "Black offers a draw" : "White offers a draw")) {
13514 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13515 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13516 } else if (currentMove == cmailOldMove + 1) {
13517 char *offer = WhiteOnMove(cmailOldMove) ?
13518 "White offers a draw" : "Black offers a draw";
13519 AppendComment(currentMove, offer, TRUE);
13520 DisplayComment(currentMove - 1, offer);
13521 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13523 DisplayError(_("You must make your move before offering a draw"), 0);
13524 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13526 } else if (first.offeredDraw) {
13527 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13529 if (first.sendDrawOffers) {
13530 SendToProgram("draw\n", &first);
13531 userOfferedDraw = TRUE;
13539 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13541 if (appData.icsActive) {
13542 SendToICS(ics_prefix);
13543 SendToICS("adjourn\n");
13545 /* Currently GNU Chess doesn't offer or accept Adjourns */
13553 /* Offer Abort or accept pending Abort offer from opponent */
13555 if (appData.icsActive) {
13556 SendToICS(ics_prefix);
13557 SendToICS("abort\n");
13559 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13566 /* Resign. You can do this even if it's not your turn. */
13568 if (appData.icsActive) {
13569 SendToICS(ics_prefix);
13570 SendToICS("resign\n");
13572 switch (gameMode) {
13573 case MachinePlaysWhite:
13574 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13576 case MachinePlaysBlack:
13577 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13580 if (cmailMsgLoaded) {
13582 if (WhiteOnMove(cmailOldMove)) {
13583 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13585 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13587 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13598 StopObservingEvent()
13600 /* Stop observing current games */
13601 SendToICS(ics_prefix);
13602 SendToICS("unobserve\n");
13606 StopExaminingEvent()
13608 /* Stop observing current game */
13609 SendToICS(ics_prefix);
13610 SendToICS("unexamine\n");
13614 ForwardInner(target)
13619 if (appData.debugMode)
13620 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13621 target, currentMove, forwardMostMove);
13623 if (gameMode == EditPosition)
13626 if (gameMode == PlayFromGameFile && !pausing)
13629 if (gameMode == IcsExamining && pausing)
13630 limit = pauseExamForwardMostMove;
13632 limit = forwardMostMove;
13634 if (target > limit) target = limit;
13636 if (target > 0 && moveList[target - 1][0]) {
13637 int fromX, fromY, toX, toY;
13638 toX = moveList[target - 1][2] - AAA;
13639 toY = moveList[target - 1][3] - ONE;
13640 if (moveList[target - 1][1] == '@') {
13641 if (appData.highlightLastMove) {
13642 SetHighlights(-1, -1, toX, toY);
13645 fromX = moveList[target - 1][0] - AAA;
13646 fromY = moveList[target - 1][1] - ONE;
13647 if (target == currentMove + 1) {
13648 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13650 if (appData.highlightLastMove) {
13651 SetHighlights(fromX, fromY, toX, toY);
13655 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13656 gameMode == Training || gameMode == PlayFromGameFile ||
13657 gameMode == AnalyzeFile) {
13658 while (currentMove < target) {
13659 SendMoveToProgram(currentMove++, &first);
13662 currentMove = target;
13665 if (gameMode == EditGame || gameMode == EndOfGame) {
13666 whiteTimeRemaining = timeRemaining[0][currentMove];
13667 blackTimeRemaining = timeRemaining[1][currentMove];
13669 DisplayBothClocks();
13670 DisplayMove(currentMove - 1);
13671 DrawPosition(FALSE, boards[currentMove]);
13672 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13673 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13674 DisplayComment(currentMove - 1, commentList[currentMove]);
13676 DisplayBook(currentMove);
13683 if (gameMode == IcsExamining && !pausing) {
13684 SendToICS(ics_prefix);
13685 SendToICS("forward\n");
13687 ForwardInner(currentMove + 1);
13694 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13695 /* to optimze, we temporarily turn off analysis mode while we feed
13696 * the remaining moves to the engine. Otherwise we get analysis output
13699 if (first.analysisSupport) {
13700 SendToProgram("exit\nforce\n", &first);
13701 first.analyzing = FALSE;
13705 if (gameMode == IcsExamining && !pausing) {
13706 SendToICS(ics_prefix);
13707 SendToICS("forward 999999\n");
13709 ForwardInner(forwardMostMove);
13712 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13713 /* we have fed all the moves, so reactivate analysis mode */
13714 SendToProgram("analyze\n", &first);
13715 first.analyzing = TRUE;
13716 /*first.maybeThinking = TRUE;*/
13717 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13722 BackwardInner(target)
13725 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13727 if (appData.debugMode)
13728 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13729 target, currentMove, forwardMostMove);
13731 if (gameMode == EditPosition) return;
13732 if (currentMove <= backwardMostMove) {
13734 DrawPosition(full_redraw, boards[currentMove]);
13737 if (gameMode == PlayFromGameFile && !pausing)
13740 if (moveList[target][0]) {
13741 int fromX, fromY, toX, toY;
13742 toX = moveList[target][2] - AAA;
13743 toY = moveList[target][3] - ONE;
13744 if (moveList[target][1] == '@') {
13745 if (appData.highlightLastMove) {
13746 SetHighlights(-1, -1, toX, toY);
13749 fromX = moveList[target][0] - AAA;
13750 fromY = moveList[target][1] - ONE;
13751 if (target == currentMove - 1) {
13752 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13754 if (appData.highlightLastMove) {
13755 SetHighlights(fromX, fromY, toX, toY);
13759 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13760 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13761 while (currentMove > target) {
13762 SendToProgram("undo\n", &first);
13766 currentMove = target;
13769 if (gameMode == EditGame || gameMode == EndOfGame) {
13770 whiteTimeRemaining = timeRemaining[0][currentMove];
13771 blackTimeRemaining = timeRemaining[1][currentMove];
13773 DisplayBothClocks();
13774 DisplayMove(currentMove - 1);
13775 DrawPosition(full_redraw, boards[currentMove]);
13776 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13777 // [HGM] PV info: routine tests if comment empty
13778 DisplayComment(currentMove - 1, commentList[currentMove]);
13779 DisplayBook(currentMove);
13785 if (gameMode == IcsExamining && !pausing) {
13786 SendToICS(ics_prefix);
13787 SendToICS("backward\n");
13789 BackwardInner(currentMove - 1);
13796 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13797 /* to optimize, we temporarily turn off analysis mode while we undo
13798 * all the moves. Otherwise we get analysis output after each undo.
13800 if (first.analysisSupport) {
13801 SendToProgram("exit\nforce\n", &first);
13802 first.analyzing = FALSE;
13806 if (gameMode == IcsExamining && !pausing) {
13807 SendToICS(ics_prefix);
13808 SendToICS("backward 999999\n");
13810 BackwardInner(backwardMostMove);
13813 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13814 /* we have fed all the moves, so reactivate analysis mode */
13815 SendToProgram("analyze\n", &first);
13816 first.analyzing = TRUE;
13817 /*first.maybeThinking = TRUE;*/
13818 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13825 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13826 if (to >= forwardMostMove) to = forwardMostMove;
13827 if (to <= backwardMostMove) to = backwardMostMove;
13828 if (to < currentMove) {
13836 RevertEvent(Boolean annotate)
13838 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13841 if (gameMode != IcsExamining) {
13842 DisplayError(_("You are not examining a game"), 0);
13846 DisplayError(_("You can't revert while pausing"), 0);
13849 SendToICS(ics_prefix);
13850 SendToICS("revert\n");
13856 switch (gameMode) {
13857 case MachinePlaysWhite:
13858 case MachinePlaysBlack:
13859 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13860 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13863 if (forwardMostMove < 2) return;
13864 currentMove = forwardMostMove = forwardMostMove - 2;
13865 whiteTimeRemaining = timeRemaining[0][currentMove];
13866 blackTimeRemaining = timeRemaining[1][currentMove];
13867 DisplayBothClocks();
13868 DisplayMove(currentMove - 1);
13869 ClearHighlights();/*!! could figure this out*/
13870 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13871 SendToProgram("remove\n", &first);
13872 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13875 case BeginningOfGame:
13879 case IcsPlayingWhite:
13880 case IcsPlayingBlack:
13881 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13882 SendToICS(ics_prefix);
13883 SendToICS("takeback 2\n");
13885 SendToICS(ics_prefix);
13886 SendToICS("takeback 1\n");
13895 ChessProgramState *cps;
13897 switch (gameMode) {
13898 case MachinePlaysWhite:
13899 if (!WhiteOnMove(forwardMostMove)) {
13900 DisplayError(_("It is your turn"), 0);
13905 case MachinePlaysBlack:
13906 if (WhiteOnMove(forwardMostMove)) {
13907 DisplayError(_("It is your turn"), 0);
13912 case TwoMachinesPlay:
13913 if (WhiteOnMove(forwardMostMove) ==
13914 (first.twoMachinesColor[0] == 'w')) {
13920 case BeginningOfGame:
13924 SendToProgram("?\n", cps);
13928 TruncateGameEvent()
13931 if (gameMode != EditGame) return;
13938 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13939 if (forwardMostMove > currentMove) {
13940 if (gameInfo.resultDetails != NULL) {
13941 free(gameInfo.resultDetails);
13942 gameInfo.resultDetails = NULL;
13943 gameInfo.result = GameUnfinished;
13945 forwardMostMove = currentMove;
13946 HistorySet(parseList, backwardMostMove, forwardMostMove,
13954 if (appData.noChessProgram) return;
13955 switch (gameMode) {
13956 case MachinePlaysWhite:
13957 if (WhiteOnMove(forwardMostMove)) {
13958 DisplayError(_("Wait until your turn"), 0);
13962 case BeginningOfGame:
13963 case MachinePlaysBlack:
13964 if (!WhiteOnMove(forwardMostMove)) {
13965 DisplayError(_("Wait until your turn"), 0);
13970 DisplayError(_("No hint available"), 0);
13973 SendToProgram("hint\n", &first);
13974 hintRequested = TRUE;
13980 if (appData.noChessProgram) return;
13981 switch (gameMode) {
13982 case MachinePlaysWhite:
13983 if (WhiteOnMove(forwardMostMove)) {
13984 DisplayError(_("Wait until your turn"), 0);
13988 case BeginningOfGame:
13989 case MachinePlaysBlack:
13990 if (!WhiteOnMove(forwardMostMove)) {
13991 DisplayError(_("Wait until your turn"), 0);
13996 EditPositionDone(TRUE);
13998 case TwoMachinesPlay:
14003 SendToProgram("bk\n", &first);
14004 bookOutput[0] = NULLCHAR;
14005 bookRequested = TRUE;
14011 char *tags = PGNTags(&gameInfo);
14012 TagsPopUp(tags, CmailMsg());
14016 /* end button procedures */
14019 PrintPosition(fp, move)
14025 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14026 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14027 char c = PieceToChar(boards[move][i][j]);
14028 fputc(c == 'x' ? '.' : c, fp);
14029 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14032 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14033 fprintf(fp, "white to play\n");
14035 fprintf(fp, "black to play\n");
14042 if (gameInfo.white != NULL) {
14043 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14049 /* Find last component of program's own name, using some heuristics */
14051 TidyProgramName(prog, host, buf)
14052 char *prog, *host, buf[MSG_SIZ];
14055 int local = (strcmp(host, "localhost") == 0);
14056 while (!local && (p = strchr(prog, ';')) != NULL) {
14058 while (*p == ' ') p++;
14061 if (*prog == '"' || *prog == '\'') {
14062 q = strchr(prog + 1, *prog);
14064 q = strchr(prog, ' ');
14066 if (q == NULL) q = prog + strlen(prog);
14068 while (p >= prog && *p != '/' && *p != '\\') p--;
14070 if(p == prog && *p == '"') p++;
14071 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14072 memcpy(buf, p, q - p);
14073 buf[q - p] = NULLCHAR;
14081 TimeControlTagValue()
14084 if (!appData.clockMode) {
14085 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14086 } else if (movesPerSession > 0) {
14087 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14088 } else if (timeIncrement == 0) {
14089 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14091 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14093 return StrSave(buf);
14099 /* This routine is used only for certain modes */
14100 VariantClass v = gameInfo.variant;
14101 ChessMove r = GameUnfinished;
14104 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14105 r = gameInfo.result;
14106 p = gameInfo.resultDetails;
14107 gameInfo.resultDetails = NULL;
14109 ClearGameInfo(&gameInfo);
14110 gameInfo.variant = v;
14112 switch (gameMode) {
14113 case MachinePlaysWhite:
14114 gameInfo.event = StrSave( appData.pgnEventHeader );
14115 gameInfo.site = StrSave(HostName());
14116 gameInfo.date = PGNDate();
14117 gameInfo.round = StrSave("-");
14118 gameInfo.white = StrSave(first.tidy);
14119 gameInfo.black = StrSave(UserName());
14120 gameInfo.timeControl = TimeControlTagValue();
14123 case MachinePlaysBlack:
14124 gameInfo.event = StrSave( appData.pgnEventHeader );
14125 gameInfo.site = StrSave(HostName());
14126 gameInfo.date = PGNDate();
14127 gameInfo.round = StrSave("-");
14128 gameInfo.white = StrSave(UserName());
14129 gameInfo.black = StrSave(first.tidy);
14130 gameInfo.timeControl = TimeControlTagValue();
14133 case TwoMachinesPlay:
14134 gameInfo.event = StrSave( appData.pgnEventHeader );
14135 gameInfo.site = StrSave(HostName());
14136 gameInfo.date = PGNDate();
14139 snprintf(buf, MSG_SIZ, "%d", roundNr);
14140 gameInfo.round = StrSave(buf);
14142 gameInfo.round = StrSave("-");
14144 if (first.twoMachinesColor[0] == 'w') {
14145 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14146 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14148 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14149 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14151 gameInfo.timeControl = TimeControlTagValue();
14155 gameInfo.event = StrSave("Edited game");
14156 gameInfo.site = StrSave(HostName());
14157 gameInfo.date = PGNDate();
14158 gameInfo.round = StrSave("-");
14159 gameInfo.white = StrSave("-");
14160 gameInfo.black = StrSave("-");
14161 gameInfo.result = r;
14162 gameInfo.resultDetails = p;
14166 gameInfo.event = StrSave("Edited position");
14167 gameInfo.site = StrSave(HostName());
14168 gameInfo.date = PGNDate();
14169 gameInfo.round = StrSave("-");
14170 gameInfo.white = StrSave("-");
14171 gameInfo.black = StrSave("-");
14174 case IcsPlayingWhite:
14175 case IcsPlayingBlack:
14180 case PlayFromGameFile:
14181 gameInfo.event = StrSave("Game from non-PGN file");
14182 gameInfo.site = StrSave(HostName());
14183 gameInfo.date = PGNDate();
14184 gameInfo.round = StrSave("-");
14185 gameInfo.white = StrSave("?");
14186 gameInfo.black = StrSave("?");
14195 ReplaceComment(index, text)
14203 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14204 pvInfoList[index-1].depth == len &&
14205 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14206 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14207 while (*text == '\n') text++;
14208 len = strlen(text);
14209 while (len > 0 && text[len - 1] == '\n') len--;
14211 if (commentList[index] != NULL)
14212 free(commentList[index]);
14215 commentList[index] = NULL;
14218 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14219 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14220 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14221 commentList[index] = (char *) malloc(len + 2);
14222 strncpy(commentList[index], text, len);
14223 commentList[index][len] = '\n';
14224 commentList[index][len + 1] = NULLCHAR;
14226 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14228 commentList[index] = (char *) malloc(len + 7);
14229 safeStrCpy(commentList[index], "{\n", 3);
14230 safeStrCpy(commentList[index]+2, text, len+1);
14231 commentList[index][len+2] = NULLCHAR;
14232 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14233 strcat(commentList[index], "\n}\n");
14247 if (ch == '\r') continue;
14249 } while (ch != '\0');
14253 AppendComment(index, text, addBraces)
14256 Boolean addBraces; // [HGM] braces: tells if we should add {}
14261 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14262 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14265 while (*text == '\n') text++;
14266 len = strlen(text);
14267 while (len > 0 && text[len - 1] == '\n') len--;
14269 if (len == 0) return;
14271 if (commentList[index] != NULL) {
14272 old = commentList[index];
14273 oldlen = strlen(old);
14274 while(commentList[index][oldlen-1] == '\n')
14275 commentList[index][--oldlen] = NULLCHAR;
14276 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14277 safeStrCpy(commentList[index], old, oldlen + len + 6);
14279 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14280 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14281 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14282 while (*text == '\n') { text++; len--; }
14283 commentList[index][--oldlen] = NULLCHAR;
14285 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14286 else strcat(commentList[index], "\n");
14287 strcat(commentList[index], text);
14288 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14289 else strcat(commentList[index], "\n");
14291 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14293 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14294 else commentList[index][0] = NULLCHAR;
14295 strcat(commentList[index], text);
14296 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14297 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14301 static char * FindStr( char * text, char * sub_text )
14303 char * result = strstr( text, sub_text );
14305 if( result != NULL ) {
14306 result += strlen( sub_text );
14312 /* [AS] Try to extract PV info from PGN comment */
14313 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14314 char *GetInfoFromComment( int index, char * text )
14316 char * sep = text, *p;
14318 if( text != NULL && index > 0 ) {
14321 int time = -1, sec = 0, deci;
14322 char * s_eval = FindStr( text, "[%eval " );
14323 char * s_emt = FindStr( text, "[%emt " );
14325 if( s_eval != NULL || s_emt != NULL ) {
14329 if( s_eval != NULL ) {
14330 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14334 if( delim != ']' ) {
14339 if( s_emt != NULL ) {
14344 /* We expect something like: [+|-]nnn.nn/dd */
14347 if(*text != '{') return text; // [HGM] braces: must be normal comment
14349 sep = strchr( text, '/' );
14350 if( sep == NULL || sep < (text+4) ) {
14355 if(p[1] == '(') { // comment starts with PV
14356 p = strchr(p, ')'); // locate end of PV
14357 if(p == NULL || sep < p+5) return text;
14358 // at this point we have something like "{(.*) +0.23/6 ..."
14359 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14360 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14361 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14363 time = -1; sec = -1; deci = -1;
14364 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14365 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14366 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14367 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14371 if( score_lo < 0 || score_lo >= 100 ) {
14375 if(sec >= 0) time = 600*time + 10*sec; else
14376 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14378 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14380 /* [HGM] PV time: now locate end of PV info */
14381 while( *++sep >= '0' && *sep <= '9'); // strip depth
14383 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14385 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14387 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14388 while(*sep == ' ') sep++;
14399 pvInfoList[index-1].depth = depth;
14400 pvInfoList[index-1].score = score;
14401 pvInfoList[index-1].time = 10*time; // centi-sec
14402 if(*sep == '}') *sep = 0; else *--sep = '{';
14403 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14409 SendToProgram(message, cps)
14411 ChessProgramState *cps;
14413 int count, outCount, error;
14416 if (cps->pr == NULL) return;
14419 if (appData.debugMode) {
14422 fprintf(debugFP, "%ld >%-6s: %s",
14423 SubtractTimeMarks(&now, &programStartTime),
14424 cps->which, message);
14427 count = strlen(message);
14428 outCount = OutputToProcess(cps->pr, message, count, &error);
14429 if (outCount < count && !exiting
14430 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14431 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14432 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14433 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14434 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14435 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14436 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14437 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14439 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14440 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14441 gameInfo.result = res;
14443 gameInfo.resultDetails = StrSave(buf);
14445 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14446 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14451 ReceiveFromProgram(isr, closure, message, count, error)
14452 InputSourceRef isr;
14460 ChessProgramState *cps = (ChessProgramState *)closure;
14462 if (isr != cps->isr) return; /* Killed intentionally */
14465 RemoveInputSource(cps->isr);
14466 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14467 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14468 _(cps->which), cps->program);
14469 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14470 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14471 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14472 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14473 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14475 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14476 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14477 gameInfo.result = res;
14479 gameInfo.resultDetails = StrSave(buf);
14481 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14482 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14484 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14485 _(cps->which), cps->program);
14486 RemoveInputSource(cps->isr);
14488 /* [AS] Program is misbehaving badly... kill it */
14489 if( count == -2 ) {
14490 DestroyChildProcess( cps->pr, 9 );
14494 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14499 if ((end_str = strchr(message, '\r')) != NULL)
14500 *end_str = NULLCHAR;
14501 if ((end_str = strchr(message, '\n')) != NULL)
14502 *end_str = NULLCHAR;
14504 if (appData.debugMode) {
14505 TimeMark now; int print = 1;
14506 char *quote = ""; char c; int i;
14508 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14509 char start = message[0];
14510 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14511 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14512 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14513 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14514 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14515 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14516 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14517 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14518 sscanf(message, "hint: %c", &c)!=1 &&
14519 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14520 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14521 print = (appData.engineComments >= 2);
14523 message[0] = start; // restore original message
14527 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14528 SubtractTimeMarks(&now, &programStartTime), cps->which,
14534 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14535 if (appData.icsEngineAnalyze) {
14536 if (strstr(message, "whisper") != NULL ||
14537 strstr(message, "kibitz") != NULL ||
14538 strstr(message, "tellics") != NULL) return;
14541 HandleMachineMove(message, cps);
14546 SendTimeControl(cps, mps, tc, inc, sd, st)
14547 ChessProgramState *cps;
14548 int mps, inc, sd, st;
14554 if( timeControl_2 > 0 ) {
14555 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14556 tc = timeControl_2;
14559 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14560 inc /= cps->timeOdds;
14561 st /= cps->timeOdds;
14563 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14566 /* Set exact time per move, normally using st command */
14567 if (cps->stKludge) {
14568 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14570 if (seconds == 0) {
14571 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14573 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14576 snprintf(buf, MSG_SIZ, "st %d\n", st);
14579 /* Set conventional or incremental time control, using level command */
14580 if (seconds == 0) {
14581 /* Note old gnuchess bug -- minutes:seconds used to not work.
14582 Fixed in later versions, but still avoid :seconds
14583 when seconds is 0. */
14584 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14586 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14587 seconds, inc/1000.);
14590 SendToProgram(buf, cps);
14592 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14593 /* Orthogonally, limit search to given depth */
14595 if (cps->sdKludge) {
14596 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14598 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14600 SendToProgram(buf, cps);
14603 if(cps->nps >= 0) { /* [HGM] nps */
14604 if(cps->supportsNPS == FALSE)
14605 cps->nps = -1; // don't use if engine explicitly says not supported!
14607 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14608 SendToProgram(buf, cps);
14613 ChessProgramState *WhitePlayer()
14614 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14616 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14617 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14623 SendTimeRemaining(cps, machineWhite)
14624 ChessProgramState *cps;
14625 int /*boolean*/ machineWhite;
14627 char message[MSG_SIZ];
14630 /* Note: this routine must be called when the clocks are stopped
14631 or when they have *just* been set or switched; otherwise
14632 it will be off by the time since the current tick started.
14634 if (machineWhite) {
14635 time = whiteTimeRemaining / 10;
14636 otime = blackTimeRemaining / 10;
14638 time = blackTimeRemaining / 10;
14639 otime = whiteTimeRemaining / 10;
14641 /* [HGM] translate opponent's time by time-odds factor */
14642 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14643 if (appData.debugMode) {
14644 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14647 if (time <= 0) time = 1;
14648 if (otime <= 0) otime = 1;
14650 snprintf(message, MSG_SIZ, "time %ld\n", time);
14651 SendToProgram(message, cps);
14653 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14654 SendToProgram(message, cps);
14658 BoolFeature(p, name, loc, cps)
14662 ChessProgramState *cps;
14665 int len = strlen(name);
14668 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14670 sscanf(*p, "%d", &val);
14672 while (**p && **p != ' ')
14674 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14675 SendToProgram(buf, cps);
14682 IntFeature(p, name, loc, cps)
14686 ChessProgramState *cps;
14689 int len = strlen(name);
14690 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14692 sscanf(*p, "%d", loc);
14693 while (**p && **p != ' ') (*p)++;
14694 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14695 SendToProgram(buf, cps);
14702 StringFeature(p, name, loc, cps)
14706 ChessProgramState *cps;
14709 int len = strlen(name);
14710 if (strncmp((*p), name, len) == 0
14711 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14713 sscanf(*p, "%[^\"]", loc);
14714 while (**p && **p != '\"') (*p)++;
14715 if (**p == '\"') (*p)++;
14716 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14717 SendToProgram(buf, cps);
14724 ParseOption(Option *opt, ChessProgramState *cps)
14725 // [HGM] options: process the string that defines an engine option, and determine
14726 // name, type, default value, and allowed value range
14728 char *p, *q, buf[MSG_SIZ];
14729 int n, min = (-1)<<31, max = 1<<31, def;
14731 if(p = strstr(opt->name, " -spin ")) {
14732 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14733 if(max < min) max = min; // enforce consistency
14734 if(def < min) def = min;
14735 if(def > max) def = max;
14740 } else if((p = strstr(opt->name, " -slider "))) {
14741 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14742 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14743 if(max < min) max = min; // enforce consistency
14744 if(def < min) def = min;
14745 if(def > max) def = max;
14749 opt->type = Spin; // Slider;
14750 } else if((p = strstr(opt->name, " -string "))) {
14751 opt->textValue = p+9;
14752 opt->type = TextBox;
14753 } else if((p = strstr(opt->name, " -file "))) {
14754 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14755 opt->textValue = p+7;
14756 opt->type = FileName; // FileName;
14757 } else if((p = strstr(opt->name, " -path "))) {
14758 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14759 opt->textValue = p+7;
14760 opt->type = PathName; // PathName;
14761 } else if(p = strstr(opt->name, " -check ")) {
14762 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14763 opt->value = (def != 0);
14764 opt->type = CheckBox;
14765 } else if(p = strstr(opt->name, " -combo ")) {
14766 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14767 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14768 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14769 opt->value = n = 0;
14770 while(q = StrStr(q, " /// ")) {
14771 n++; *q = 0; // count choices, and null-terminate each of them
14773 if(*q == '*') { // remember default, which is marked with * prefix
14777 cps->comboList[cps->comboCnt++] = q;
14779 cps->comboList[cps->comboCnt++] = NULL;
14781 opt->type = ComboBox;
14782 } else if(p = strstr(opt->name, " -button")) {
14783 opt->type = Button;
14784 } else if(p = strstr(opt->name, " -save")) {
14785 opt->type = SaveButton;
14786 } else return FALSE;
14787 *p = 0; // terminate option name
14788 // now look if the command-line options define a setting for this engine option.
14789 if(cps->optionSettings && cps->optionSettings[0])
14790 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14791 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14792 snprintf(buf, MSG_SIZ, "option %s", p);
14793 if(p = strstr(buf, ",")) *p = 0;
14794 if(q = strchr(buf, '=')) switch(opt->type) {
14796 for(n=0; n<opt->max; n++)
14797 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14800 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14804 opt->value = atoi(q+1);
14809 SendToProgram(buf, cps);
14815 FeatureDone(cps, val)
14816 ChessProgramState* cps;
14819 DelayedEventCallback cb = GetDelayedEvent();
14820 if ((cb == InitBackEnd3 && cps == &first) ||
14821 (cb == SettingsMenuIfReady && cps == &second) ||
14822 (cb == LoadEngine) ||
14823 (cb == TwoMachinesEventIfReady)) {
14824 CancelDelayedEvent();
14825 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14827 cps->initDone = val;
14830 /* Parse feature command from engine */
14832 ParseFeatures(args, cps)
14834 ChessProgramState *cps;
14842 while (*p == ' ') p++;
14843 if (*p == NULLCHAR) return;
14845 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14846 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14847 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14848 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14849 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14850 if (BoolFeature(&p, "reuse", &val, cps)) {
14851 /* Engine can disable reuse, but can't enable it if user said no */
14852 if (!val) cps->reuse = FALSE;
14855 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14856 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14857 if (gameMode == TwoMachinesPlay) {
14858 DisplayTwoMachinesTitle();
14864 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14865 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14866 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14867 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14868 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14869 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14870 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14871 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14872 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14873 if (IntFeature(&p, "done", &val, cps)) {
14874 FeatureDone(cps, val);
14877 /* Added by Tord: */
14878 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14879 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14880 /* End of additions by Tord */
14882 /* [HGM] added features: */
14883 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14884 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14885 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14886 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14887 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14888 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14889 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14890 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14891 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14892 SendToProgram(buf, cps);
14895 if(cps->nrOptions >= MAX_OPTIONS) {
14897 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14898 DisplayError(buf, 0);
14902 /* End of additions by HGM */
14904 /* unknown feature: complain and skip */
14906 while (*q && *q != '=') q++;
14907 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14908 SendToProgram(buf, cps);
14914 while (*p && *p != '\"') p++;
14915 if (*p == '\"') p++;
14917 while (*p && *p != ' ') p++;
14925 PeriodicUpdatesEvent(newState)
14928 if (newState == appData.periodicUpdates)
14931 appData.periodicUpdates=newState;
14933 /* Display type changes, so update it now */
14934 // DisplayAnalysis();
14936 /* Get the ball rolling again... */
14938 AnalysisPeriodicEvent(1);
14939 StartAnalysisClock();
14944 PonderNextMoveEvent(newState)
14947 if (newState == appData.ponderNextMove) return;
14948 if (gameMode == EditPosition) EditPositionDone(TRUE);
14950 SendToProgram("hard\n", &first);
14951 if (gameMode == TwoMachinesPlay) {
14952 SendToProgram("hard\n", &second);
14955 SendToProgram("easy\n", &first);
14956 thinkOutput[0] = NULLCHAR;
14957 if (gameMode == TwoMachinesPlay) {
14958 SendToProgram("easy\n", &second);
14961 appData.ponderNextMove = newState;
14965 NewSettingEvent(option, feature, command, value)
14967 int option, value, *feature;
14971 if (gameMode == EditPosition) EditPositionDone(TRUE);
14972 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14973 if(feature == NULL || *feature) SendToProgram(buf, &first);
14974 if (gameMode == TwoMachinesPlay) {
14975 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14980 ShowThinkingEvent()
14981 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14983 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14984 int newState = appData.showThinking
14985 // [HGM] thinking: other features now need thinking output as well
14986 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14988 if (oldState == newState) return;
14989 oldState = newState;
14990 if (gameMode == EditPosition) EditPositionDone(TRUE);
14992 SendToProgram("post\n", &first);
14993 if (gameMode == TwoMachinesPlay) {
14994 SendToProgram("post\n", &second);
14997 SendToProgram("nopost\n", &first);
14998 thinkOutput[0] = NULLCHAR;
14999 if (gameMode == TwoMachinesPlay) {
15000 SendToProgram("nopost\n", &second);
15003 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15007 AskQuestionEvent(title, question, replyPrefix, which)
15008 char *title; char *question; char *replyPrefix; char *which;
15010 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15011 if (pr == NoProc) return;
15012 AskQuestion(title, question, replyPrefix, pr);
15016 TypeInEvent(char firstChar)
15018 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
\r
15019 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
\r
15020 gameMode == AnalyzeMode || gameMode == EditGame ||
\r
15021 gameMode == EditPosition || gameMode == IcsExamining ||
\r
15022 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
\r
15023 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
\r
15024 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
\r
15025 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
\r
15026 gameMode == Training) PopUpMoveDialog(firstChar);
15030 TypeInDoneEvent(char *move)
15033 int n, fromX, fromY, toX, toY;
15035 ChessMove moveType;
\r
15038 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
\r
15039 EditPositionPasteFEN(move);
\r
15042 // [HGM] movenum: allow move number to be typed in any mode
\r
15043 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
\r
15044 ToNrEvent(2*n-1);
\r
15048 if (gameMode != EditGame && currentMove != forwardMostMove &&
\r
15049 gameMode != Training) {
\r
15050 DisplayMoveError(_("Displayed move is not current"));
\r
15052 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
15053 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
\r
15054 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
\r
15055 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
15056 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
\r
15057 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
\r
15059 DisplayMoveError(_("Could not parse move"));
\r
15065 DisplayMove(moveNumber)
15068 char message[MSG_SIZ];
15070 char cpThinkOutput[MSG_SIZ];
15072 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15074 if (moveNumber == forwardMostMove - 1 ||
15075 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15077 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15079 if (strchr(cpThinkOutput, '\n')) {
15080 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15083 *cpThinkOutput = NULLCHAR;
15086 /* [AS] Hide thinking from human user */
15087 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15088 *cpThinkOutput = NULLCHAR;
15089 if( thinkOutput[0] != NULLCHAR ) {
15092 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15093 cpThinkOutput[i] = '.';
15095 cpThinkOutput[i] = NULLCHAR;
15096 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15100 if (moveNumber == forwardMostMove - 1 &&
15101 gameInfo.resultDetails != NULL) {
15102 if (gameInfo.resultDetails[0] == NULLCHAR) {
15103 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15105 snprintf(res, MSG_SIZ, " {%s} %s",
15106 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15112 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15113 DisplayMessage(res, cpThinkOutput);
15115 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15116 WhiteOnMove(moveNumber) ? " " : ".. ",
15117 parseList[moveNumber], res);
15118 DisplayMessage(message, cpThinkOutput);
15123 DisplayComment(moveNumber, text)
15127 char title[MSG_SIZ];
15128 char buf[8000]; // comment can be long!
15131 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15132 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15134 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15135 WhiteOnMove(moveNumber) ? " " : ".. ",
15136 parseList[moveNumber]);
15138 // [HGM] PV info: display PV info together with (or as) comment
15139 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
15140 if(text == NULL) text = "";
15141 score = pvInfoList[moveNumber].score;
15142 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
15143 depth, (pvInfoList[moveNumber].time+50)/100, text);
15146 if (text != NULL && (appData.autoDisplayComment || commentUp))
15147 CommentPopUp(title, text);
15150 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15151 * might be busy thinking or pondering. It can be omitted if your
15152 * gnuchess is configured to stop thinking immediately on any user
15153 * input. However, that gnuchess feature depends on the FIONREAD
15154 * ioctl, which does not work properly on some flavors of Unix.
15158 ChessProgramState *cps;
15161 if (!cps->useSigint) return;
15162 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15163 switch (gameMode) {
15164 case MachinePlaysWhite:
15165 case MachinePlaysBlack:
15166 case TwoMachinesPlay:
15167 case IcsPlayingWhite:
15168 case IcsPlayingBlack:
15171 /* Skip if we know it isn't thinking */
15172 if (!cps->maybeThinking) return;
15173 if (appData.debugMode)
15174 fprintf(debugFP, "Interrupting %s\n", cps->which);
15175 InterruptChildProcess(cps->pr);
15176 cps->maybeThinking = FALSE;
15181 #endif /*ATTENTION*/
15187 if (whiteTimeRemaining <= 0) {
15190 if (appData.icsActive) {
15191 if (appData.autoCallFlag &&
15192 gameMode == IcsPlayingBlack && !blackFlag) {
15193 SendToICS(ics_prefix);
15194 SendToICS("flag\n");
15198 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15200 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15201 if (appData.autoCallFlag) {
15202 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15209 if (blackTimeRemaining <= 0) {
15212 if (appData.icsActive) {
15213 if (appData.autoCallFlag &&
15214 gameMode == IcsPlayingWhite && !whiteFlag) {
15215 SendToICS(ics_prefix);
15216 SendToICS("flag\n");
15220 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15222 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15223 if (appData.autoCallFlag) {
15224 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15237 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15238 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15241 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15243 if ( !WhiteOnMove(forwardMostMove) ) {
15244 /* White made time control */
15245 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15246 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15247 /* [HGM] time odds: correct new time quota for time odds! */
15248 / WhitePlayer()->timeOdds;
15249 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15251 lastBlack -= blackTimeRemaining;
15252 /* Black made time control */
15253 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15254 / WhitePlayer()->other->timeOdds;
15255 lastWhite = whiteTimeRemaining;
15260 DisplayBothClocks()
15262 int wom = gameMode == EditPosition ?
15263 !blackPlaysFirst : WhiteOnMove(currentMove);
15264 DisplayWhiteClock(whiteTimeRemaining, wom);
15265 DisplayBlackClock(blackTimeRemaining, !wom);
15269 /* Timekeeping seems to be a portability nightmare. I think everyone
15270 has ftime(), but I'm really not sure, so I'm including some ifdefs
15271 to use other calls if you don't. Clocks will be less accurate if
15272 you have neither ftime nor gettimeofday.
15275 /* VS 2008 requires the #include outside of the function */
15276 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15277 #include <sys/timeb.h>
15280 /* Get the current time as a TimeMark */
15285 #if HAVE_GETTIMEOFDAY
15287 struct timeval timeVal;
15288 struct timezone timeZone;
15290 gettimeofday(&timeVal, &timeZone);
15291 tm->sec = (long) timeVal.tv_sec;
15292 tm->ms = (int) (timeVal.tv_usec / 1000L);
15294 #else /*!HAVE_GETTIMEOFDAY*/
15297 // include <sys/timeb.h> / moved to just above start of function
15298 struct timeb timeB;
15301 tm->sec = (long) timeB.time;
15302 tm->ms = (int) timeB.millitm;
15304 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15305 tm->sec = (long) time(NULL);
15311 /* Return the difference in milliseconds between two
15312 time marks. We assume the difference will fit in a long!
15315 SubtractTimeMarks(tm2, tm1)
15316 TimeMark *tm2, *tm1;
15318 return 1000L*(tm2->sec - tm1->sec) +
15319 (long) (tm2->ms - tm1->ms);
15324 * Code to manage the game clocks.
15326 * In tournament play, black starts the clock and then white makes a move.
15327 * We give the human user a slight advantage if he is playing white---the
15328 * clocks don't run until he makes his first move, so it takes zero time.
15329 * Also, we don't account for network lag, so we could get out of sync
15330 * with GNU Chess's clock -- but then, referees are always right.
15333 static TimeMark tickStartTM;
15334 static long intendedTickLength;
15337 NextTickLength(timeRemaining)
15338 long timeRemaining;
15340 long nominalTickLength, nextTickLength;
15342 if (timeRemaining > 0L && timeRemaining <= 10000L)
15343 nominalTickLength = 100L;
15345 nominalTickLength = 1000L;
15346 nextTickLength = timeRemaining % nominalTickLength;
15347 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15349 return nextTickLength;
15352 /* Adjust clock one minute up or down */
15354 AdjustClock(Boolean which, int dir)
15356 if(which) blackTimeRemaining += 60000*dir;
15357 else whiteTimeRemaining += 60000*dir;
15358 DisplayBothClocks();
15361 /* Stop clocks and reset to a fresh time control */
15365 (void) StopClockTimer();
15366 if (appData.icsActive) {
15367 whiteTimeRemaining = blackTimeRemaining = 0;
15368 } else if (searchTime) {
15369 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15370 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15371 } else { /* [HGM] correct new time quote for time odds */
15372 whiteTC = blackTC = fullTimeControlString;
15373 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15374 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15376 if (whiteFlag || blackFlag) {
15378 whiteFlag = blackFlag = FALSE;
15380 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15381 DisplayBothClocks();
15384 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15386 /* Decrement running clock by amount of time that has passed */
15390 long timeRemaining;
15391 long lastTickLength, fudge;
15394 if (!appData.clockMode) return;
15395 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15399 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15401 /* Fudge if we woke up a little too soon */
15402 fudge = intendedTickLength - lastTickLength;
15403 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15405 if (WhiteOnMove(forwardMostMove)) {
15406 if(whiteNPS >= 0) lastTickLength = 0;
15407 timeRemaining = whiteTimeRemaining -= lastTickLength;
15408 if(timeRemaining < 0 && !appData.icsActive) {
15409 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15410 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15411 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15412 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15415 DisplayWhiteClock(whiteTimeRemaining - fudge,
15416 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15418 if(blackNPS >= 0) lastTickLength = 0;
15419 timeRemaining = blackTimeRemaining -= lastTickLength;
15420 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15421 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15423 blackStartMove = forwardMostMove;
15424 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15427 DisplayBlackClock(blackTimeRemaining - fudge,
15428 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15430 if (CheckFlags()) return;
15433 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15434 StartClockTimer(intendedTickLength);
15436 /* if the time remaining has fallen below the alarm threshold, sound the
15437 * alarm. if the alarm has sounded and (due to a takeback or time control
15438 * with increment) the time remaining has increased to a level above the
15439 * threshold, reset the alarm so it can sound again.
15442 if (appData.icsActive && appData.icsAlarm) {
15444 /* make sure we are dealing with the user's clock */
15445 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15446 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15449 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15450 alarmSounded = FALSE;
15451 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15453 alarmSounded = TRUE;
15459 /* A player has just moved, so stop the previously running
15460 clock and (if in clock mode) start the other one.
15461 We redisplay both clocks in case we're in ICS mode, because
15462 ICS gives us an update to both clocks after every move.
15463 Note that this routine is called *after* forwardMostMove
15464 is updated, so the last fractional tick must be subtracted
15465 from the color that is *not* on move now.
15468 SwitchClocks(int newMoveNr)
15470 long lastTickLength;
15472 int flagged = FALSE;
15476 if (StopClockTimer() && appData.clockMode) {
15477 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15478 if (!WhiteOnMove(forwardMostMove)) {
15479 if(blackNPS >= 0) lastTickLength = 0;
15480 blackTimeRemaining -= lastTickLength;
15481 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15482 // if(pvInfoList[forwardMostMove].time == -1)
15483 pvInfoList[forwardMostMove].time = // use GUI time
15484 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15486 if(whiteNPS >= 0) lastTickLength = 0;
15487 whiteTimeRemaining -= lastTickLength;
15488 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15489 // if(pvInfoList[forwardMostMove].time == -1)
15490 pvInfoList[forwardMostMove].time =
15491 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15493 flagged = CheckFlags();
15495 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15496 CheckTimeControl();
15498 if (flagged || !appData.clockMode) return;
15500 switch (gameMode) {
15501 case MachinePlaysBlack:
15502 case MachinePlaysWhite:
15503 case BeginningOfGame:
15504 if (pausing) return;
15508 case PlayFromGameFile:
15516 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15517 if(WhiteOnMove(forwardMostMove))
15518 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15519 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15523 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15524 whiteTimeRemaining : blackTimeRemaining);
15525 StartClockTimer(intendedTickLength);
15529 /* Stop both clocks */
15533 long lastTickLength;
15536 if (!StopClockTimer()) return;
15537 if (!appData.clockMode) return;
15541 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15542 if (WhiteOnMove(forwardMostMove)) {
15543 if(whiteNPS >= 0) lastTickLength = 0;
15544 whiteTimeRemaining -= lastTickLength;
15545 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15547 if(blackNPS >= 0) lastTickLength = 0;
15548 blackTimeRemaining -= lastTickLength;
15549 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15554 /* Start clock of player on move. Time may have been reset, so
15555 if clock is already running, stop and restart it. */
15559 (void) StopClockTimer(); /* in case it was running already */
15560 DisplayBothClocks();
15561 if (CheckFlags()) return;
15563 if (!appData.clockMode) return;
15564 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15566 GetTimeMark(&tickStartTM);
15567 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15568 whiteTimeRemaining : blackTimeRemaining);
15570 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15571 whiteNPS = blackNPS = -1;
15572 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15573 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15574 whiteNPS = first.nps;
15575 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15576 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15577 blackNPS = first.nps;
15578 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15579 whiteNPS = second.nps;
15580 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15581 blackNPS = second.nps;
15582 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15584 StartClockTimer(intendedTickLength);
15591 long second, minute, hour, day;
15593 static char buf[32];
15595 if (ms > 0 && ms <= 9900) {
15596 /* convert milliseconds to tenths, rounding up */
15597 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15599 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15603 /* convert milliseconds to seconds, rounding up */
15604 /* use floating point to avoid strangeness of integer division
15605 with negative dividends on many machines */
15606 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15613 day = second / (60 * 60 * 24);
15614 second = second % (60 * 60 * 24);
15615 hour = second / (60 * 60);
15616 second = second % (60 * 60);
15617 minute = second / 60;
15618 second = second % 60;
15621 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15622 sign, day, hour, minute, second);
15624 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15626 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15633 * This is necessary because some C libraries aren't ANSI C compliant yet.
15636 StrStr(string, match)
15637 char *string, *match;
15641 length = strlen(match);
15643 for (i = strlen(string) - length; i >= 0; i--, string++)
15644 if (!strncmp(match, string, length))
15651 StrCaseStr(string, match)
15652 char *string, *match;
15656 length = strlen(match);
15658 for (i = strlen(string) - length; i >= 0; i--, string++) {
15659 for (j = 0; j < length; j++) {
15660 if (ToLower(match[j]) != ToLower(string[j]))
15663 if (j == length) return string;
15677 c1 = ToLower(*s1++);
15678 c2 = ToLower(*s2++);
15679 if (c1 > c2) return 1;
15680 if (c1 < c2) return -1;
15681 if (c1 == NULLCHAR) return 0;
15690 return isupper(c) ? tolower(c) : c;
15698 return islower(c) ? toupper(c) : c;
15700 #endif /* !_amigados */
15708 if ((ret = (char *) malloc(strlen(s) + 1)))
15710 safeStrCpy(ret, s, strlen(s)+1);
15716 StrSavePtr(s, savePtr)
15717 char *s, **savePtr;
15722 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15723 safeStrCpy(*savePtr, s, strlen(s)+1);
15735 clock = time((time_t *)NULL);
15736 tm = localtime(&clock);
15737 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15738 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15739 return StrSave(buf);
15744 PositionToFEN(move, overrideCastling)
15746 char *overrideCastling;
15748 int i, j, fromX, fromY, toX, toY;
15755 whiteToPlay = (gameMode == EditPosition) ?
15756 !blackPlaysFirst : (move % 2 == 0);
15759 /* Piece placement data */
15760 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15762 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15763 if (boards[move][i][j] == EmptySquare) {
15765 } else { ChessSquare piece = boards[move][i][j];
15766 if (emptycount > 0) {
15767 if(emptycount<10) /* [HGM] can be >= 10 */
15768 *p++ = '0' + emptycount;
15769 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15772 if(PieceToChar(piece) == '+') {
15773 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15775 piece = (ChessSquare)(DEMOTED piece);
15777 *p++ = PieceToChar(piece);
15779 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15780 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15785 if (emptycount > 0) {
15786 if(emptycount<10) /* [HGM] can be >= 10 */
15787 *p++ = '0' + emptycount;
15788 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15795 /* [HGM] print Crazyhouse or Shogi holdings */
15796 if( gameInfo.holdingsWidth ) {
15797 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15799 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15800 piece = boards[move][i][BOARD_WIDTH-1];
15801 if( piece != EmptySquare )
15802 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15803 *p++ = PieceToChar(piece);
15805 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15806 piece = boards[move][BOARD_HEIGHT-i-1][0];
15807 if( piece != EmptySquare )
15808 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15809 *p++ = PieceToChar(piece);
15812 if( q == p ) *p++ = '-';
15818 *p++ = whiteToPlay ? 'w' : 'b';
15821 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15822 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15824 if(nrCastlingRights) {
15826 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15827 /* [HGM] write directly from rights */
15828 if(boards[move][CASTLING][2] != NoRights &&
15829 boards[move][CASTLING][0] != NoRights )
15830 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15831 if(boards[move][CASTLING][2] != NoRights &&
15832 boards[move][CASTLING][1] != NoRights )
15833 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15834 if(boards[move][CASTLING][5] != NoRights &&
15835 boards[move][CASTLING][3] != NoRights )
15836 *p++ = boards[move][CASTLING][3] + AAA;
15837 if(boards[move][CASTLING][5] != NoRights &&
15838 boards[move][CASTLING][4] != NoRights )
15839 *p++ = boards[move][CASTLING][4] + AAA;
15842 /* [HGM] write true castling rights */
15843 if( nrCastlingRights == 6 ) {
15844 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15845 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15846 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15847 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15848 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15849 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15850 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15851 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15854 if (q == p) *p++ = '-'; /* No castling rights */
15858 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15859 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15860 /* En passant target square */
15861 if (move > backwardMostMove) {
15862 fromX = moveList[move - 1][0] - AAA;
15863 fromY = moveList[move - 1][1] - ONE;
15864 toX = moveList[move - 1][2] - AAA;
15865 toY = moveList[move - 1][3] - ONE;
15866 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15867 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15868 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15870 /* 2-square pawn move just happened */
15872 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15876 } else if(move == backwardMostMove) {
15877 // [HGM] perhaps we should always do it like this, and forget the above?
15878 if((signed char)boards[move][EP_STATUS] >= 0) {
15879 *p++ = boards[move][EP_STATUS] + AAA;
15880 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15891 /* [HGM] find reversible plies */
15892 { int i = 0, j=move;
15894 if (appData.debugMode) { int k;
15895 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15896 for(k=backwardMostMove; k<=forwardMostMove; k++)
15897 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15901 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15902 if( j == backwardMostMove ) i += initialRulePlies;
15903 sprintf(p, "%d ", i);
15904 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15906 /* Fullmove number */
15907 sprintf(p, "%d", (move / 2) + 1);
15909 return StrSave(buf);
15913 ParseFEN(board, blackPlaysFirst, fen)
15915 int *blackPlaysFirst;
15925 /* [HGM] by default clear Crazyhouse holdings, if present */
15926 if(gameInfo.holdingsWidth) {
15927 for(i=0; i<BOARD_HEIGHT; i++) {
15928 board[i][0] = EmptySquare; /* black holdings */
15929 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15930 board[i][1] = (ChessSquare) 0; /* black counts */
15931 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15935 /* Piece placement data */
15936 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15939 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15940 if (*p == '/') p++;
15941 emptycount = gameInfo.boardWidth - j;
15942 while (emptycount--)
15943 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15945 #if(BOARD_FILES >= 10)
15946 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15947 p++; emptycount=10;
15948 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15949 while (emptycount--)
15950 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15952 } else if (isdigit(*p)) {
15953 emptycount = *p++ - '0';
15954 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15955 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15956 while (emptycount--)
15957 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15958 } else if (*p == '+' || isalpha(*p)) {
15959 if (j >= gameInfo.boardWidth) return FALSE;
15961 piece = CharToPiece(*++p);
15962 if(piece == EmptySquare) return FALSE; /* unknown piece */
15963 piece = (ChessSquare) (PROMOTED piece ); p++;
15964 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15965 } else piece = CharToPiece(*p++);
15967 if(piece==EmptySquare) return FALSE; /* unknown piece */
15968 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15969 piece = (ChessSquare) (PROMOTED piece);
15970 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15973 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15979 while (*p == '/' || *p == ' ') p++;
15981 /* [HGM] look for Crazyhouse holdings here */
15982 while(*p==' ') p++;
15983 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15985 if(*p == '-' ) p++; /* empty holdings */ else {
15986 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15987 /* if we would allow FEN reading to set board size, we would */
15988 /* have to add holdings and shift the board read so far here */
15989 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15991 if((int) piece >= (int) BlackPawn ) {
15992 i = (int)piece - (int)BlackPawn;
15993 i = PieceToNumber((ChessSquare)i);
15994 if( i >= gameInfo.holdingsSize ) return FALSE;
15995 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15996 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15998 i = (int)piece - (int)WhitePawn;
15999 i = PieceToNumber((ChessSquare)i);
16000 if( i >= gameInfo.holdingsSize ) return FALSE;
16001 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16002 board[i][BOARD_WIDTH-2]++; /* black holdings */
16009 while(*p == ' ') p++;
16013 if(appData.colorNickNames) {
16014 if( c == appData.colorNickNames[0] ) c = 'w'; else
16015 if( c == appData.colorNickNames[1] ) c = 'b';
16019 *blackPlaysFirst = FALSE;
16022 *blackPlaysFirst = TRUE;
16028 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16029 /* return the extra info in global variiables */
16031 /* set defaults in case FEN is incomplete */
16032 board[EP_STATUS] = EP_UNKNOWN;
16033 for(i=0; i<nrCastlingRights; i++ ) {
16034 board[CASTLING][i] =
16035 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16036 } /* assume possible unless obviously impossible */
16037 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16038 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16039 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16040 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16041 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16042 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16043 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16044 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16047 while(*p==' ') p++;
16048 if(nrCastlingRights) {
16049 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16050 /* castling indicator present, so default becomes no castlings */
16051 for(i=0; i<nrCastlingRights; i++ ) {
16052 board[CASTLING][i] = NoRights;
16055 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16056 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16057 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16058 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16059 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16061 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16062 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16063 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16065 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16066 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16067 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16068 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16069 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16070 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16073 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16074 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16075 board[CASTLING][2] = whiteKingFile;
16078 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16079 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16080 board[CASTLING][2] = whiteKingFile;
16083 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16084 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16085 board[CASTLING][5] = blackKingFile;
16088 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16089 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16090 board[CASTLING][5] = blackKingFile;
16093 default: /* FRC castlings */
16094 if(c >= 'a') { /* black rights */
16095 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16096 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16097 if(i == BOARD_RGHT) break;
16098 board[CASTLING][5] = i;
16100 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16101 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16103 board[CASTLING][3] = c;
16105 board[CASTLING][4] = c;
16106 } else { /* white rights */
16107 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16108 if(board[0][i] == WhiteKing) break;
16109 if(i == BOARD_RGHT) break;
16110 board[CASTLING][2] = i;
16111 c -= AAA - 'a' + 'A';
16112 if(board[0][c] >= WhiteKing) break;
16114 board[CASTLING][0] = c;
16116 board[CASTLING][1] = c;
16120 for(i=0; i<nrCastlingRights; i++)
16121 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16122 if (appData.debugMode) {
16123 fprintf(debugFP, "FEN castling rights:");
16124 for(i=0; i<nrCastlingRights; i++)
16125 fprintf(debugFP, " %d", board[CASTLING][i]);
16126 fprintf(debugFP, "\n");
16129 while(*p==' ') p++;
16132 /* read e.p. field in games that know e.p. capture */
16133 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16134 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16136 p++; board[EP_STATUS] = EP_NONE;
16138 char c = *p++ - AAA;
16140 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16141 if(*p >= '0' && *p <='9') p++;
16142 board[EP_STATUS] = c;
16147 if(sscanf(p, "%d", &i) == 1) {
16148 FENrulePlies = i; /* 50-move ply counter */
16149 /* (The move number is still ignored) */
16156 EditPositionPasteFEN(char *fen)
16159 Board initial_position;
16161 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16162 DisplayError(_("Bad FEN position in clipboard"), 0);
16165 int savedBlackPlaysFirst = blackPlaysFirst;
16166 EditPositionEvent();
16167 blackPlaysFirst = savedBlackPlaysFirst;
16168 CopyBoard(boards[0], initial_position);
16169 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16170 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16171 DisplayBothClocks();
16172 DrawPosition(FALSE, boards[currentMove]);
16177 static char cseq[12] = "\\ ";
16179 Boolean set_cont_sequence(char *new_seq)
16184 // handle bad attempts to set the sequence
16186 return 0; // acceptable error - no debug
16188 len = strlen(new_seq);
16189 ret = (len > 0) && (len < sizeof(cseq));
16191 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16192 else if (appData.debugMode)
16193 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16198 reformat a source message so words don't cross the width boundary. internal
16199 newlines are not removed. returns the wrapped size (no null character unless
16200 included in source message). If dest is NULL, only calculate the size required
16201 for the dest buffer. lp argument indicats line position upon entry, and it's
16202 passed back upon exit.
16204 int wrap(char *dest, char *src, int count, int width, int *lp)
16206 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16208 cseq_len = strlen(cseq);
16209 old_line = line = *lp;
16210 ansi = len = clen = 0;
16212 for (i=0; i < count; i++)
16214 if (src[i] == '\033')
16217 // if we hit the width, back up
16218 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16220 // store i & len in case the word is too long
16221 old_i = i, old_len = len;
16223 // find the end of the last word
16224 while (i && src[i] != ' ' && src[i] != '\n')
16230 // word too long? restore i & len before splitting it
16231 if ((old_i-i+clen) >= width)
16238 if (i && src[i-1] == ' ')
16241 if (src[i] != ' ' && src[i] != '\n')
16248 // now append the newline and continuation sequence
16253 strncpy(dest+len, cseq, cseq_len);
16261 dest[len] = src[i];
16265 if (src[i] == '\n')
16270 if (dest && appData.debugMode)
16272 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16273 count, width, line, len, *lp);
16274 show_bytes(debugFP, src, count);
16275 fprintf(debugFP, "\ndest: ");
16276 show_bytes(debugFP, dest, len);
16277 fprintf(debugFP, "\n");
16279 *lp = dest ? line : old_line;
16284 // [HGM] vari: routines for shelving variations
16287 PushInner(int firstMove, int lastMove)
16289 int i, j, nrMoves = lastMove - firstMove;
16291 // push current tail of game on stack
16292 savedResult[storedGames] = gameInfo.result;
16293 savedDetails[storedGames] = gameInfo.resultDetails;
16294 gameInfo.resultDetails = NULL;
16295 savedFirst[storedGames] = firstMove;
16296 savedLast [storedGames] = lastMove;
16297 savedFramePtr[storedGames] = framePtr;
16298 framePtr -= nrMoves; // reserve space for the boards
16299 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16300 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16301 for(j=0; j<MOVE_LEN; j++)
16302 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16303 for(j=0; j<2*MOVE_LEN; j++)
16304 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16305 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16306 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16307 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16308 pvInfoList[firstMove+i-1].depth = 0;
16309 commentList[framePtr+i] = commentList[firstMove+i];
16310 commentList[firstMove+i] = NULL;
16314 forwardMostMove = firstMove; // truncate game so we can start variation
16318 PushTail(int firstMove, int lastMove)
16320 if(appData.icsActive) { // only in local mode
16321 forwardMostMove = currentMove; // mimic old ICS behavior
16324 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16326 PushInner(firstMove, lastMove);
16327 if(storedGames == 1) GreyRevert(FALSE);
16331 PopInner(Boolean annotate)
16334 char buf[8000], moveBuf[20];
16337 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16338 nrMoves = savedLast[storedGames] - currentMove;
16341 if(!WhiteOnMove(currentMove))
16342 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16343 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16344 for(i=currentMove; i<forwardMostMove; i++) {
16346 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16347 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16348 strcat(buf, moveBuf);
16349 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16350 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16354 for(i=1; i<=nrMoves; i++) { // copy last variation back
16355 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16356 for(j=0; j<MOVE_LEN; j++)
16357 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16358 for(j=0; j<2*MOVE_LEN; j++)
16359 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16360 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16361 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16362 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16363 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16364 commentList[currentMove+i] = commentList[framePtr+i];
16365 commentList[framePtr+i] = NULL;
16367 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16368 framePtr = savedFramePtr[storedGames];
16369 gameInfo.result = savedResult[storedGames];
16370 if(gameInfo.resultDetails != NULL) {
16371 free(gameInfo.resultDetails);
16373 gameInfo.resultDetails = savedDetails[storedGames];
16374 forwardMostMove = currentMove + nrMoves;
16378 PopTail(Boolean annotate)
16380 if(appData.icsActive) return FALSE; // only in local mode
16381 if(!storedGames) return FALSE; // sanity
16382 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16384 PopInner(annotate);
16386 if(storedGames == 0) GreyRevert(TRUE);
16392 { // remove all shelved variations
16394 for(i=0; i<storedGames; i++) {
16395 if(savedDetails[i])
16396 free(savedDetails[i]);
16397 savedDetails[i] = NULL;
16399 for(i=framePtr; i<MAX_MOVES; i++) {
16400 if(commentList[i]) free(commentList[i]);
16401 commentList[i] = NULL;
16403 framePtr = MAX_MOVES-1;
16408 LoadVariation(int index, char *text)
16409 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16410 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16411 int level = 0, move;
16413 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16414 // first find outermost bracketing variation
16415 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16416 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16417 if(*p == '{') wait = '}'; else
16418 if(*p == '[') wait = ']'; else
16419 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16420 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16422 if(*p == wait) wait = NULLCHAR; // closing ]} found
16425 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16426 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16427 end[1] = NULLCHAR; // clip off comment beyond variation
16428 ToNrEvent(currentMove-1);
16429 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16430 // kludge: use ParsePV() to append variation to game
16431 move = currentMove;
16432 ParsePV(start, TRUE, TRUE);
16433 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16434 ClearPremoveHighlights();
16436 ToNrEvent(currentMove+1);