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));
237 void DisplayTwoMachinesTitle P(());
240 extern void ConsoleCreate();
243 ChessProgramState *WhitePlayer();
244 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
245 int VerifyDisplayMode P(());
247 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
248 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
249 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
250 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
251 void ics_update_width P((int new_width));
252 extern char installDir[MSG_SIZ];
253 VariantClass startVariant; /* [HGM] nicks: initial variant */
256 extern int tinyLayout, smallLayout;
257 ChessProgramStats programStats;
258 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
260 static int exiting = 0; /* [HGM] moved to top */
261 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
262 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
263 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
264 int partnerHighlight[2];
265 Boolean partnerBoardValid = 0;
266 char partnerStatus[MSG_SIZ];
268 Boolean originalFlip;
269 Boolean twoBoards = 0;
270 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
271 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
272 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
273 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
274 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
275 int opponentKibitzes;
276 int lastSavedGame; /* [HGM] save: ID of game */
277 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
278 extern int chatCount;
280 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
281 char lastMsg[MSG_SIZ];
282 ChessSquare pieceSweep = EmptySquare;
283 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
284 int promoDefaultAltered;
286 /* States for ics_getting_history */
288 #define H_REQUESTED 1
289 #define H_GOT_REQ_HEADER 2
290 #define H_GOT_UNREQ_HEADER 3
291 #define H_GETTING_MOVES 4
292 #define H_GOT_UNWANTED_HEADER 5
294 /* whosays values for GameEnds */
303 /* Maximum number of games in a cmail message */
304 #define CMAIL_MAX_GAMES 20
306 /* Different types of move when calling RegisterMove */
308 #define CMAIL_RESIGN 1
310 #define CMAIL_ACCEPT 3
312 /* Different types of result to remember for each game */
313 #define CMAIL_NOT_RESULT 0
314 #define CMAIL_OLD_RESULT 1
315 #define CMAIL_NEW_RESULT 2
317 /* Telnet protocol constants */
328 safeStrCpy( char *dst, const char *src, size_t count )
331 assert( dst != NULL );
332 assert( src != NULL );
335 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
336 if( i == count && dst[count-1] != NULLCHAR)
338 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
339 if(appData.debugMode)
340 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
346 /* Some compiler can't cast u64 to double
347 * This function do the job for us:
349 * We use the highest bit for cast, this only
350 * works if the highest bit is not
351 * in use (This should not happen)
353 * We used this for all compiler
356 u64ToDouble(u64 value)
359 u64 tmp = value & u64Const(0x7fffffffffffffff);
360 r = (double)(s64)tmp;
361 if (value & u64Const(0x8000000000000000))
362 r += 9.2233720368547758080e18; /* 2^63 */
366 /* Fake up flags for now, as we aren't keeping track of castling
367 availability yet. [HGM] Change of logic: the flag now only
368 indicates the type of castlings allowed by the rule of the game.
369 The actual rights themselves are maintained in the array
370 castlingRights, as part of the game history, and are not probed
376 int flags = F_ALL_CASTLE_OK;
377 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
378 switch (gameInfo.variant) {
380 flags &= ~F_ALL_CASTLE_OK;
381 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
382 flags |= F_IGNORE_CHECK;
384 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
387 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
389 case VariantKriegspiel:
390 flags |= F_KRIEGSPIEL_CAPTURE;
392 case VariantCapaRandom:
393 case VariantFischeRandom:
394 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
395 case VariantNoCastle:
396 case VariantShatranj:
399 flags &= ~F_ALL_CASTLE_OK;
407 FILE *gameFileFP, *debugFP;
410 [AS] Note: sometimes, the sscanf() function is used to parse the input
411 into a fixed-size buffer. Because of this, we must be prepared to
412 receive strings as long as the size of the input buffer, which is currently
413 set to 4K for Windows and 8K for the rest.
414 So, we must either allocate sufficiently large buffers here, or
415 reduce the size of the input buffer in the input reading part.
418 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
419 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
420 char thinkOutput1[MSG_SIZ*10];
422 ChessProgramState first, second, pairing;
424 /* premove variables */
427 int premoveFromX = 0;
428 int premoveFromY = 0;
429 int premovePromoChar = 0;
431 Boolean alarmSounded;
432 /* end premove variables */
434 char *ics_prefix = "$";
435 int ics_type = ICS_GENERIC;
437 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
438 int pauseExamForwardMostMove = 0;
439 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
440 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
441 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
442 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
443 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
444 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
445 int whiteFlag = FALSE, blackFlag = FALSE;
446 int userOfferedDraw = FALSE;
447 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
448 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
449 int cmailMoveType[CMAIL_MAX_GAMES];
450 long ics_clock_paused = 0;
451 ProcRef icsPR = NoProc, cmailPR = NoProc;
452 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
453 GameMode gameMode = BeginningOfGame;
454 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
455 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
456 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
457 int hiddenThinkOutputState = 0; /* [AS] */
458 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
459 int adjudicateLossPlies = 6;
460 char white_holding[64], black_holding[64];
461 TimeMark lastNodeCountTime;
462 long lastNodeCount=0;
463 int shiftKey; // [HGM] set by mouse handler
465 int have_sent_ICS_logon = 0;
467 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
468 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
469 long timeControl_2; /* [AS] Allow separate time controls */
470 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
471 long timeRemaining[2][MAX_MOVES];
472 int matchGame = 0, nextGame = 0, roundNr = 0;
473 Boolean waitingForGame = FALSE;
474 TimeMark programStartTime, pauseStart;
475 char ics_handle[MSG_SIZ];
476 int have_set_title = 0;
478 /* animateTraining preserves the state of appData.animate
479 * when Training mode is activated. This allows the
480 * response to be animated when appData.animate == TRUE and
481 * appData.animateDragging == TRUE.
483 Boolean animateTraining;
489 Board boards[MAX_MOVES];
490 /* [HGM] Following 7 needed for accurate legality tests: */
491 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
492 signed char initialRights[BOARD_FILES];
493 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
494 int initialRulePlies, FENrulePlies;
495 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
497 Boolean shuffleOpenings;
498 int mute; // mute all sounds
500 // [HGM] vari: next 12 to save and restore variations
501 #define MAX_VARIATIONS 10
502 int framePtr = MAX_MOVES-1; // points to free stack entry
504 int savedFirst[MAX_VARIATIONS];
505 int savedLast[MAX_VARIATIONS];
506 int savedFramePtr[MAX_VARIATIONS];
507 char *savedDetails[MAX_VARIATIONS];
508 ChessMove savedResult[MAX_VARIATIONS];
510 void PushTail P((int firstMove, int lastMove));
511 Boolean PopTail P((Boolean annotate));
512 void PushInner P((int firstMove, int lastMove));
513 void PopInner P((Boolean annotate));
514 void CleanupTail P((void));
516 ChessSquare FIDEArray[2][BOARD_FILES] = {
517 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
518 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
519 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
520 BlackKing, BlackBishop, BlackKnight, BlackRook }
523 ChessSquare twoKingsArray[2][BOARD_FILES] = {
524 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
525 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
526 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
527 BlackKing, BlackKing, BlackKnight, BlackRook }
530 ChessSquare KnightmateArray[2][BOARD_FILES] = {
531 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
532 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
533 { BlackRook, BlackMan, BlackBishop, BlackQueen,
534 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
537 ChessSquare SpartanArray[2][BOARD_FILES] = {
538 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
539 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
540 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
541 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
544 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
545 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
546 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
547 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
548 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
551 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
552 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
553 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
554 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
555 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
558 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
559 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
560 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
561 { BlackRook, BlackKnight, BlackMan, BlackFerz,
562 BlackKing, BlackMan, BlackKnight, BlackRook }
566 #if (BOARD_FILES>=10)
567 ChessSquare ShogiArray[2][BOARD_FILES] = {
568 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
569 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
570 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
571 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
574 ChessSquare XiangqiArray[2][BOARD_FILES] = {
575 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
576 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
577 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
578 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
581 ChessSquare CapablancaArray[2][BOARD_FILES] = {
582 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
583 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
584 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
585 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
588 ChessSquare GreatArray[2][BOARD_FILES] = {
589 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
590 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
591 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
592 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
595 ChessSquare JanusArray[2][BOARD_FILES] = {
596 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
597 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
598 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
599 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
603 ChessSquare GothicArray[2][BOARD_FILES] = {
604 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
605 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
606 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
607 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
610 #define GothicArray CapablancaArray
614 ChessSquare FalconArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
616 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
618 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
621 #define FalconArray CapablancaArray
624 #else // !(BOARD_FILES>=10)
625 #define XiangqiPosition FIDEArray
626 #define CapablancaArray FIDEArray
627 #define GothicArray FIDEArray
628 #define GreatArray FIDEArray
629 #endif // !(BOARD_FILES>=10)
631 #if (BOARD_FILES>=12)
632 ChessSquare CourierArray[2][BOARD_FILES] = {
633 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
634 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
635 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
636 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
638 #else // !(BOARD_FILES>=12)
639 #define CourierArray CapablancaArray
640 #endif // !(BOARD_FILES>=12)
643 Board initialPosition;
646 /* Convert str to a rating. Checks for special cases of "----",
648 "++++", etc. Also strips ()'s */
650 string_to_rating(str)
653 while(*str && !isdigit(*str)) ++str;
655 return 0; /* One of the special "no rating" cases */
663 /* Init programStats */
664 programStats.movelist[0] = 0;
665 programStats.depth = 0;
666 programStats.nr_moves = 0;
667 programStats.moves_left = 0;
668 programStats.nodes = 0;
669 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
670 programStats.score = 0;
671 programStats.got_only_move = 0;
672 programStats.got_fail = 0;
673 programStats.line_is_book = 0;
678 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
679 if (appData.firstPlaysBlack) {
680 first.twoMachinesColor = "black\n";
681 second.twoMachinesColor = "white\n";
683 first.twoMachinesColor = "white\n";
684 second.twoMachinesColor = "black\n";
687 first.other = &second;
688 second.other = &first;
691 if(appData.timeOddsMode) {
692 norm = appData.timeOdds[0];
693 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
695 first.timeOdds = appData.timeOdds[0]/norm;
696 second.timeOdds = appData.timeOdds[1]/norm;
699 if(programVersion) free(programVersion);
700 if (appData.noChessProgram) {
701 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
702 sprintf(programVersion, "%s", PACKAGE_STRING);
704 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
705 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
706 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
711 UnloadEngine(ChessProgramState *cps)
713 /* Kill off first chess program */
714 if (cps->isr != NULL)
715 RemoveInputSource(cps->isr);
718 if (cps->pr != NoProc) {
720 DoSleep( appData.delayBeforeQuit );
721 SendToProgram("quit\n", cps);
722 DoSleep( appData.delayAfterQuit );
723 DestroyChildProcess(cps->pr, cps->useSigterm);
726 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
730 ClearOptions(ChessProgramState *cps)
733 cps->nrOptions = cps->comboCnt = 0;
734 for(i=0; i<MAX_OPTIONS; i++) {
735 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
736 cps->option[i].textValue = 0;
740 char *engineNames[] = {
746 InitEngine(ChessProgramState *cps, int n)
747 { // [HGM] all engine initialiation put in a function that does one engine
751 cps->which = engineNames[n];
752 cps->maybeThinking = FALSE;
756 cps->sendDrawOffers = 1;
758 cps->program = appData.chessProgram[n];
759 cps->host = appData.host[n];
760 cps->dir = appData.directory[n];
761 cps->initString = appData.engInitString[n];
762 cps->computerString = appData.computerString[n];
763 cps->useSigint = TRUE;
764 cps->useSigterm = TRUE;
765 cps->reuse = appData.reuse[n];
766 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
767 cps->useSetboard = FALSE;
769 cps->usePing = FALSE;
772 cps->usePlayother = FALSE;
773 cps->useColors = TRUE;
774 cps->useUsermove = FALSE;
775 cps->sendICS = FALSE;
776 cps->sendName = appData.icsActive;
777 cps->sdKludge = FALSE;
778 cps->stKludge = FALSE;
779 TidyProgramName(cps->program, cps->host, cps->tidy);
781 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
782 cps->analysisSupport = 2; /* detect */
783 cps->analyzing = FALSE;
784 cps->initDone = FALSE;
786 /* New features added by Tord: */
787 cps->useFEN960 = FALSE;
788 cps->useOOCastle = TRUE;
789 /* End of new features added by Tord. */
790 cps->fenOverride = appData.fenOverride[n];
792 /* [HGM] time odds: set factor for each machine */
793 cps->timeOdds = appData.timeOdds[n];
795 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
796 cps->accumulateTC = appData.accumulateTC[n];
797 cps->maxNrOfSessions = 1;
802 cps->supportsNPS = UNKNOWN;
803 cps->memSize = FALSE;
804 cps->maxCores = FALSE;
805 cps->egtFormats[0] = NULLCHAR;
808 cps->optionSettings = appData.engOptions[n];
810 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
811 cps->isUCI = appData.isUCI[n]; /* [AS] */
812 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
814 if (appData.protocolVersion[n] > PROTOVER
815 || appData.protocolVersion[n] < 1)
820 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
821 appData.protocolVersion[n]);
822 if( (len > MSG_SIZ) && appData.debugMode )
823 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
825 DisplayFatalError(buf, 0, 2);
829 cps->protocolVersion = appData.protocolVersion[n];
832 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
835 ChessProgramState *savCps;
841 if(WaitForEngine(savCps, LoadEngine)) return;
842 CommonEngineInit(); // recalculate time odds
843 if(gameInfo.variant != StringToVariant(appData.variant)) {
844 // we changed variant when loading the engine; this forces us to reset
845 Reset(TRUE, savCps != &first);
846 EditGameEvent(); // for consistency with other path, as Reset changes mode
848 InitChessProgram(savCps, FALSE);
849 SendToProgram("force\n", savCps);
850 DisplayMessage("", "");
851 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
852 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
858 ReplaceEngine(ChessProgramState *cps, int n)
862 appData.noChessProgram = FALSE;
863 appData.clockMode = TRUE;
866 if(n) return; // only startup first engine immediately; second can wait
867 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
871 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
872 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
874 static char resetOptions[] =
875 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
876 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
879 Load(ChessProgramState *cps, int i)
881 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
882 if(engineLine[0]) { // an engine was selected from the combo box
883 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
884 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
885 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
886 ParseArgsFromString(buf);
888 ReplaceEngine(cps, i);
892 while(q = strchr(p, SLASH)) p = q+1;
893 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
894 if(engineDir[0] != NULLCHAR)
895 appData.directory[i] = engineDir;
896 else if(p != engineName) { // derive directory from engine path, when not given
898 appData.directory[i] = strdup(engineName);
900 } else appData.directory[i] = ".";
901 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
903 snprintf(command, MSG_SIZ, "%s %s", p, params);
906 appData.chessProgram[i] = strdup(p);
907 appData.isUCI[i] = isUCI;
908 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
909 appData.hasOwnBookUCI[i] = hasBook;
910 if(!nickName[0]) useNick = FALSE;
911 if(useNick) ASSIGN(appData.pgnName[i], nickName);
915 q = firstChessProgramNames;
916 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
917 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
918 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
919 quote, p, quote, appData.directory[i],
920 useNick ? " -fn \"" : "",
921 useNick ? nickName : "",
923 v1 ? " -firstProtocolVersion 1" : "",
924 hasBook ? "" : " -fNoOwnBookUCI",
925 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
926 storeVariant ? " -variant " : "",
927 storeVariant ? VariantName(gameInfo.variant) : "");
928 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
929 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
932 ReplaceEngine(cps, i);
938 int matched, min, sec;
940 * Parse timeControl resource
942 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
943 appData.movesPerSession)) {
945 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
946 DisplayFatalError(buf, 0, 2);
950 * Parse searchTime resource
952 if (*appData.searchTime != NULLCHAR) {
953 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
955 searchTime = min * 60;
956 } else if (matched == 2) {
957 searchTime = min * 60 + sec;
960 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
961 DisplayFatalError(buf, 0, 2);
970 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
971 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
973 GetTimeMark(&programStartTime);
974 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
975 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
978 programStats.ok_to_send = 1;
979 programStats.seen_stat = 0;
982 * Initialize game list
988 * Internet chess server status
990 if (appData.icsActive) {
991 appData.matchMode = FALSE;
992 appData.matchGames = 0;
994 appData.noChessProgram = !appData.zippyPlay;
996 appData.zippyPlay = FALSE;
997 appData.zippyTalk = FALSE;
998 appData.noChessProgram = TRUE;
1000 if (*appData.icsHelper != NULLCHAR) {
1001 appData.useTelnet = TRUE;
1002 appData.telnetProgram = appData.icsHelper;
1005 appData.zippyTalk = appData.zippyPlay = FALSE;
1008 /* [AS] Initialize pv info list [HGM] and game state */
1012 for( i=0; i<=framePtr; i++ ) {
1013 pvInfoList[i].depth = -1;
1014 boards[i][EP_STATUS] = EP_NONE;
1015 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1021 /* [AS] Adjudication threshold */
1022 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1024 InitEngine(&first, 0);
1025 InitEngine(&second, 1);
1028 pairing.which = "pairing"; // pairing engine
1029 pairing.pr = NoProc;
1031 pairing.program = appData.pairingEngine;
1032 pairing.host = "localhost";
1035 if (appData.icsActive) {
1036 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1037 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1038 appData.clockMode = FALSE;
1039 first.sendTime = second.sendTime = 0;
1043 /* Override some settings from environment variables, for backward
1044 compatibility. Unfortunately it's not feasible to have the env
1045 vars just set defaults, at least in xboard. Ugh.
1047 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1052 if (!appData.icsActive) {
1056 /* Check for variants that are supported only in ICS mode,
1057 or not at all. Some that are accepted here nevertheless
1058 have bugs; see comments below.
1060 VariantClass variant = StringToVariant(appData.variant);
1062 case VariantBughouse: /* need four players and two boards */
1063 case VariantKriegspiel: /* need to hide pieces and move details */
1064 /* case VariantFischeRandom: (Fabien: moved below) */
1065 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1066 if( (len > MSG_SIZ) && appData.debugMode )
1067 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1069 DisplayFatalError(buf, 0, 2);
1072 case VariantUnknown:
1073 case VariantLoadable:
1083 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1084 if( (len > MSG_SIZ) && appData.debugMode )
1085 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1087 DisplayFatalError(buf, 0, 2);
1090 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1091 case VariantFairy: /* [HGM] TestLegality definitely off! */
1092 case VariantGothic: /* [HGM] should work */
1093 case VariantCapablanca: /* [HGM] should work */
1094 case VariantCourier: /* [HGM] initial forced moves not implemented */
1095 case VariantShogi: /* [HGM] could still mate with pawn drop */
1096 case VariantKnightmate: /* [HGM] should work */
1097 case VariantCylinder: /* [HGM] untested */
1098 case VariantFalcon: /* [HGM] untested */
1099 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1100 offboard interposition not understood */
1101 case VariantNormal: /* definitely works! */
1102 case VariantWildCastle: /* pieces not automatically shuffled */
1103 case VariantNoCastle: /* pieces not automatically shuffled */
1104 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1105 case VariantLosers: /* should work except for win condition,
1106 and doesn't know captures are mandatory */
1107 case VariantSuicide: /* should work except for win condition,
1108 and doesn't know captures are mandatory */
1109 case VariantGiveaway: /* should work except for win condition,
1110 and doesn't know captures are mandatory */
1111 case VariantTwoKings: /* should work */
1112 case VariantAtomic: /* should work except for win condition */
1113 case Variant3Check: /* should work except for win condition */
1114 case VariantShatranj: /* should work except for all win conditions */
1115 case VariantMakruk: /* should work except for daw countdown */
1116 case VariantBerolina: /* might work if TestLegality is off */
1117 case VariantCapaRandom: /* should work */
1118 case VariantJanus: /* should work */
1119 case VariantSuper: /* experimental */
1120 case VariantGreat: /* experimental, requires legality testing to be off */
1121 case VariantSChess: /* S-Chess, should work */
1122 case VariantSpartan: /* should work */
1129 int NextIntegerFromString( char ** str, long * value )
1134 while( *s == ' ' || *s == '\t' ) {
1140 if( *s >= '0' && *s <= '9' ) {
1141 while( *s >= '0' && *s <= '9' ) {
1142 *value = *value * 10 + (*s - '0');
1154 int NextTimeControlFromString( char ** str, long * value )
1157 int result = NextIntegerFromString( str, &temp );
1160 *value = temp * 60; /* Minutes */
1161 if( **str == ':' ) {
1163 result = NextIntegerFromString( str, &temp );
1164 *value += temp; /* Seconds */
1171 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1172 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1173 int result = -1, type = 0; long temp, temp2;
1175 if(**str != ':') return -1; // old params remain in force!
1177 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1178 if( NextIntegerFromString( str, &temp ) ) return -1;
1179 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1182 /* time only: incremental or sudden-death time control */
1183 if(**str == '+') { /* increment follows; read it */
1185 if(**str == '!') type = *(*str)++; // Bronstein TC
1186 if(result = NextIntegerFromString( str, &temp2)) return -1;
1187 *inc = temp2 * 1000;
1188 if(**str == '.') { // read fraction of increment
1189 char *start = ++(*str);
1190 if(result = NextIntegerFromString( str, &temp2)) return -1;
1192 while(start++ < *str) temp2 /= 10;
1196 *moves = 0; *tc = temp * 1000; *incType = type;
1200 (*str)++; /* classical time control */
1201 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1212 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1213 { /* [HGM] get time to add from the multi-session time-control string */
1214 int incType, moves=1; /* kludge to force reading of first session */
1215 long time, increment;
1218 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1219 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1221 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1222 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1223 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1224 if(movenr == -1) return time; /* last move before new session */
1225 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1226 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1227 if(!moves) return increment; /* current session is incremental */
1228 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1229 } while(movenr >= -1); /* try again for next session */
1231 return 0; // no new time quota on this move
1235 ParseTimeControl(tc, ti, mps)
1242 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1245 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1246 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1247 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1251 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1253 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1256 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1258 snprintf(buf, MSG_SIZ, ":%s", mytc);
1260 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1262 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1267 /* Parse second time control */
1270 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1278 timeControl_2 = tc2 * 1000;
1288 timeControl = tc1 * 1000;
1291 timeIncrement = ti * 1000; /* convert to ms */
1292 movesPerSession = 0;
1295 movesPerSession = mps;
1303 if (appData.debugMode) {
1304 fprintf(debugFP, "%s\n", programVersion);
1307 set_cont_sequence(appData.wrapContSeq);
1308 if (appData.matchGames > 0) {
1309 appData.matchMode = TRUE;
1310 } else if (appData.matchMode) {
1311 appData.matchGames = 1;
1313 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1314 appData.matchGames = appData.sameColorGames;
1315 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1316 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1317 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1320 if (appData.noChessProgram || first.protocolVersion == 1) {
1323 /* kludge: allow timeout for initial "feature" commands */
1325 DisplayMessage("", _("Starting chess program"));
1326 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1331 CalculateIndex(int index, int gameNr)
1332 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1334 if(index > 0) return index; // fixed nmber
1335 if(index == 0) return 1;
1336 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1337 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1342 LoadGameOrPosition(int gameNr)
1343 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1344 if (*appData.loadGameFile != NULLCHAR) {
1345 if (!LoadGameFromFile(appData.loadGameFile,
1346 CalculateIndex(appData.loadGameIndex, gameNr),
1347 appData.loadGameFile, FALSE)) {
1348 DisplayFatalError(_("Bad game file"), 0, 1);
1351 } else if (*appData.loadPositionFile != NULLCHAR) {
1352 if (!LoadPositionFromFile(appData.loadPositionFile,
1353 CalculateIndex(appData.loadPositionIndex, gameNr),
1354 appData.loadPositionFile)) {
1355 DisplayFatalError(_("Bad position file"), 0, 1);
1363 ReserveGame(int gameNr, char resChar)
1365 FILE *tf = fopen(appData.tourneyFile, "r+");
1366 char *p, *q, c, buf[MSG_SIZ];
1367 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1368 safeStrCpy(buf, lastMsg, MSG_SIZ);
1369 DisplayMessage(_("Pick new game"), "");
1370 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1371 ParseArgsFromFile(tf);
1372 p = q = appData.results;
1373 if(appData.debugMode) {
1374 char *r = appData.participants;
1375 fprintf(debugFP, "results = '%s'\n", p);
1376 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1377 fprintf(debugFP, "\n");
1379 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1381 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1382 safeStrCpy(q, p, strlen(p) + 2);
1383 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1384 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1385 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1386 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1389 fseek(tf, -(strlen(p)+4), SEEK_END);
1391 if(c != '"') // depending on DOS or Unix line endings we can be one off
1392 fseek(tf, -(strlen(p)+2), SEEK_END);
1393 else fseek(tf, -(strlen(p)+3), SEEK_END);
1394 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1395 DisplayMessage(buf, "");
1396 free(p); appData.results = q;
1397 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1398 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1399 UnloadEngine(&first); // next game belongs to other pairing;
1400 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1405 MatchEvent(int mode)
1406 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1408 if(matchMode) { // already in match mode: switch it off
1410 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1413 // if(gameMode != BeginningOfGame) {
1414 // DisplayError(_("You can only start a match from the initial position."), 0);
1418 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1419 /* Set up machine vs. machine match */
1421 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1422 if(appData.tourneyFile[0]) {
1424 if(nextGame > appData.matchGames) {
1426 if(strchr(appData.results, '*') == NULL) {
1428 appData.tourneyCycles++;
1429 if(f = WriteTourneyFile(appData.results)) { // make a tourney file with increased number of cycles
1431 NextTourneyGame(-1, &dummy);
1433 if(nextGame <= appData.matchGames) {
1434 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1436 ScheduleDelayedEvent(NextMatchGame, 10000);
1441 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1442 DisplayError(buf, 0);
1443 appData.tourneyFile[0] = 0;
1447 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1448 DisplayFatalError(_("Can't have a match with no chess programs"),
1453 matchGame = roundNr = 1;
1454 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
\r
1459 InitBackEnd3 P((void))
1461 GameMode initialMode;
1465 InitChessProgram(&first, startedFromSetupPosition);
1467 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1468 free(programVersion);
1469 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1470 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1473 if (appData.icsActive) {
1475 /* [DM] Make a console window if needed [HGM] merged ifs */
1481 if (*appData.icsCommPort != NULLCHAR)
1482 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1483 appData.icsCommPort);
1485 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1486 appData.icsHost, appData.icsPort);
1488 if( (len > MSG_SIZ) && appData.debugMode )
1489 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1491 DisplayFatalError(buf, err, 1);
1496 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1498 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1499 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1500 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1501 } else if (appData.noChessProgram) {
1507 if (*appData.cmailGameName != NULLCHAR) {
1509 OpenLoopback(&cmailPR);
1511 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1515 DisplayMessage("", "");
1516 if (StrCaseCmp(appData.initialMode, "") == 0) {
1517 initialMode = BeginningOfGame;
1518 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1519 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1520 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1521 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1524 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1525 initialMode = TwoMachinesPlay;
1526 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1527 initialMode = AnalyzeFile;
1528 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1529 initialMode = AnalyzeMode;
1530 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1531 initialMode = MachinePlaysWhite;
1532 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1533 initialMode = MachinePlaysBlack;
1534 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1535 initialMode = EditGame;
1536 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1537 initialMode = EditPosition;
1538 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1539 initialMode = Training;
1541 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1542 if( (len > MSG_SIZ) && appData.debugMode )
1543 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1545 DisplayFatalError(buf, 0, 2);
1549 if (appData.matchMode) {
1550 if(appData.tourneyFile[0]) { // start tourney from command line
1552 if(f = fopen(appData.tourneyFile, "r")) {
1553 ParseArgsFromFile(f); // make sure tourney parmeters re known
1555 appData.clockMode = TRUE;
1557 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1560 } else if (*appData.cmailGameName != NULLCHAR) {
1561 /* Set up cmail mode */
1562 ReloadCmailMsgEvent(TRUE);
1564 /* Set up other modes */
1565 if (initialMode == AnalyzeFile) {
1566 if (*appData.loadGameFile == NULLCHAR) {
1567 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1571 if (*appData.loadGameFile != NULLCHAR) {
1572 (void) LoadGameFromFile(appData.loadGameFile,
1573 appData.loadGameIndex,
1574 appData.loadGameFile, TRUE);
1575 } else if (*appData.loadPositionFile != NULLCHAR) {
1576 (void) LoadPositionFromFile(appData.loadPositionFile,
1577 appData.loadPositionIndex,
1578 appData.loadPositionFile);
1579 /* [HGM] try to make self-starting even after FEN load */
1580 /* to allow automatic setup of fairy variants with wtm */
1581 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1582 gameMode = BeginningOfGame;
1583 setboardSpoiledMachineBlack = 1;
1585 /* [HGM] loadPos: make that every new game uses the setup */
1586 /* from file as long as we do not switch variant */
1587 if(!blackPlaysFirst) {
1588 startedFromPositionFile = TRUE;
1589 CopyBoard(filePosition, boards[0]);
1592 if (initialMode == AnalyzeMode) {
1593 if (appData.noChessProgram) {
1594 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1597 if (appData.icsActive) {
1598 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1602 } else if (initialMode == AnalyzeFile) {
1603 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1604 ShowThinkingEvent();
1606 AnalysisPeriodicEvent(1);
1607 } else if (initialMode == MachinePlaysWhite) {
1608 if (appData.noChessProgram) {
1609 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1613 if (appData.icsActive) {
1614 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1618 MachineWhiteEvent();
1619 } else if (initialMode == MachinePlaysBlack) {
1620 if (appData.noChessProgram) {
1621 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1625 if (appData.icsActive) {
1626 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1630 MachineBlackEvent();
1631 } else if (initialMode == TwoMachinesPlay) {
1632 if (appData.noChessProgram) {
1633 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1637 if (appData.icsActive) {
1638 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1643 } else if (initialMode == EditGame) {
1645 } else if (initialMode == EditPosition) {
1646 EditPositionEvent();
1647 } else if (initialMode == Training) {
1648 if (*appData.loadGameFile == NULLCHAR) {
1649 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1658 * Establish will establish a contact to a remote host.port.
1659 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1660 * used to talk to the host.
1661 * Returns 0 if okay, error code if not.
1668 if (*appData.icsCommPort != NULLCHAR) {
1669 /* Talk to the host through a serial comm port */
1670 return OpenCommPort(appData.icsCommPort, &icsPR);
1672 } else if (*appData.gateway != NULLCHAR) {
1673 if (*appData.remoteShell == NULLCHAR) {
1674 /* Use the rcmd protocol to run telnet program on a gateway host */
1675 snprintf(buf, sizeof(buf), "%s %s %s",
1676 appData.telnetProgram, appData.icsHost, appData.icsPort);
1677 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1680 /* Use the rsh program to run telnet program on a gateway host */
1681 if (*appData.remoteUser == NULLCHAR) {
1682 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1683 appData.gateway, appData.telnetProgram,
1684 appData.icsHost, appData.icsPort);
1686 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1687 appData.remoteShell, appData.gateway,
1688 appData.remoteUser, appData.telnetProgram,
1689 appData.icsHost, appData.icsPort);
1691 return StartChildProcess(buf, "", &icsPR);
1694 } else if (appData.useTelnet) {
1695 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1698 /* TCP socket interface differs somewhat between
1699 Unix and NT; handle details in the front end.
1701 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1705 void EscapeExpand(char *p, char *q)
1706 { // [HGM] initstring: routine to shape up string arguments
1707 while(*p++ = *q++) if(p[-1] == '\\')
1709 case 'n': p[-1] = '\n'; break;
1710 case 'r': p[-1] = '\r'; break;
1711 case 't': p[-1] = '\t'; break;
1712 case '\\': p[-1] = '\\'; break;
1713 case 0: *p = 0; return;
1714 default: p[-1] = q[-1]; break;
1719 show_bytes(fp, buf, count)
1725 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1726 fprintf(fp, "\\%03o", *buf & 0xff);
1735 /* Returns an errno value */
1737 OutputMaybeTelnet(pr, message, count, outError)
1743 char buf[8192], *p, *q, *buflim;
1744 int left, newcount, outcount;
1746 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1747 *appData.gateway != NULLCHAR) {
1748 if (appData.debugMode) {
1749 fprintf(debugFP, ">ICS: ");
1750 show_bytes(debugFP, message, count);
1751 fprintf(debugFP, "\n");
1753 return OutputToProcess(pr, message, count, outError);
1756 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1763 if (appData.debugMode) {
1764 fprintf(debugFP, ">ICS: ");
1765 show_bytes(debugFP, buf, newcount);
1766 fprintf(debugFP, "\n");
1768 outcount = OutputToProcess(pr, buf, newcount, outError);
1769 if (outcount < newcount) return -1; /* to be sure */
1776 } else if (((unsigned char) *p) == TN_IAC) {
1777 *q++ = (char) TN_IAC;
1784 if (appData.debugMode) {
1785 fprintf(debugFP, ">ICS: ");
1786 show_bytes(debugFP, buf, newcount);
1787 fprintf(debugFP, "\n");
1789 outcount = OutputToProcess(pr, buf, newcount, outError);
1790 if (outcount < newcount) return -1; /* to be sure */
1795 read_from_player(isr, closure, message, count, error)
1802 int outError, outCount;
1803 static int gotEof = 0;
1805 /* Pass data read from player on to ICS */
1808 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1809 if (outCount < count) {
1810 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1812 } else if (count < 0) {
1813 RemoveInputSource(isr);
1814 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1815 } else if (gotEof++ > 0) {
1816 RemoveInputSource(isr);
1817 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1823 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1824 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1825 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1826 SendToICS("date\n");
1827 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1830 /* added routine for printf style output to ics */
1831 void ics_printf(char *format, ...)
1833 char buffer[MSG_SIZ];
1836 va_start(args, format);
1837 vsnprintf(buffer, sizeof(buffer), format, args);
1838 buffer[sizeof(buffer)-1] = '\0';
1847 int count, outCount, outError;
1849 if (icsPR == NULL) return;
1852 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1853 if (outCount < count) {
1854 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1858 /* This is used for sending logon scripts to the ICS. Sending
1859 without a delay causes problems when using timestamp on ICC
1860 (at least on my machine). */
1862 SendToICSDelayed(s,msdelay)
1866 int count, outCount, outError;
1868 if (icsPR == NULL) return;
1871 if (appData.debugMode) {
1872 fprintf(debugFP, ">ICS: ");
1873 show_bytes(debugFP, s, count);
1874 fprintf(debugFP, "\n");
1876 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1878 if (outCount < count) {
1879 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1884 /* Remove all highlighting escape sequences in s
1885 Also deletes any suffix starting with '('
1888 StripHighlightAndTitle(s)
1891 static char retbuf[MSG_SIZ];
1894 while (*s != NULLCHAR) {
1895 while (*s == '\033') {
1896 while (*s != NULLCHAR && !isalpha(*s)) s++;
1897 if (*s != NULLCHAR) s++;
1899 while (*s != NULLCHAR && *s != '\033') {
1900 if (*s == '(' || *s == '[') {
1911 /* Remove all highlighting escape sequences in s */
1916 static char retbuf[MSG_SIZ];
1919 while (*s != NULLCHAR) {
1920 while (*s == '\033') {
1921 while (*s != NULLCHAR && !isalpha(*s)) s++;
1922 if (*s != NULLCHAR) s++;
1924 while (*s != NULLCHAR && *s != '\033') {
1932 char *variantNames[] = VARIANT_NAMES;
1937 return variantNames[v];
1941 /* Identify a variant from the strings the chess servers use or the
1942 PGN Variant tag names we use. */
1949 VariantClass v = VariantNormal;
1950 int i, found = FALSE;
1956 /* [HGM] skip over optional board-size prefixes */
1957 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1958 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1959 while( *e++ != '_');
1962 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1966 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1967 if (StrCaseStr(e, variantNames[i])) {
1968 v = (VariantClass) i;
1975 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1976 || StrCaseStr(e, "wild/fr")
1977 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1978 v = VariantFischeRandom;
1979 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1980 (i = 1, p = StrCaseStr(e, "w"))) {
1982 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1989 case 0: /* FICS only, actually */
1991 /* Castling legal even if K starts on d-file */
1992 v = VariantWildCastle;
1997 /* Castling illegal even if K & R happen to start in
1998 normal positions. */
1999 v = VariantNoCastle;
2012 /* Castling legal iff K & R start in normal positions */
2018 /* Special wilds for position setup; unclear what to do here */
2019 v = VariantLoadable;
2022 /* Bizarre ICC game */
2023 v = VariantTwoKings;
2026 v = VariantKriegspiel;
2032 v = VariantFischeRandom;
2035 v = VariantCrazyhouse;
2038 v = VariantBughouse;
2044 /* Not quite the same as FICS suicide! */
2045 v = VariantGiveaway;
2051 v = VariantShatranj;
2054 /* Temporary names for future ICC types. The name *will* change in
2055 the next xboard/WinBoard release after ICC defines it. */
2093 v = VariantCapablanca;
2096 v = VariantKnightmate;
2102 v = VariantCylinder;
2108 v = VariantCapaRandom;
2111 v = VariantBerolina;
2123 /* Found "wild" or "w" in the string but no number;
2124 must assume it's normal chess. */
2128 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2129 if( (len > MSG_SIZ) && appData.debugMode )
2130 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2132 DisplayError(buf, 0);
2138 if (appData.debugMode) {
2139 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2140 e, wnum, VariantName(v));
2145 static int leftover_start = 0, leftover_len = 0;
2146 char star_match[STAR_MATCH_N][MSG_SIZ];
2148 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2149 advance *index beyond it, and set leftover_start to the new value of
2150 *index; else return FALSE. If pattern contains the character '*', it
2151 matches any sequence of characters not containing '\r', '\n', or the
2152 character following the '*' (if any), and the matched sequence(s) are
2153 copied into star_match.
2156 looking_at(buf, index, pattern)
2161 char *bufp = &buf[*index], *patternp = pattern;
2163 char *matchp = star_match[0];
2166 if (*patternp == NULLCHAR) {
2167 *index = leftover_start = bufp - buf;
2171 if (*bufp == NULLCHAR) return FALSE;
2172 if (*patternp == '*') {
2173 if (*bufp == *(patternp + 1)) {
2175 matchp = star_match[++star_count];
2179 } else if (*bufp == '\n' || *bufp == '\r') {
2181 if (*patternp == NULLCHAR)
2186 *matchp++ = *bufp++;
2190 if (*patternp != *bufp) return FALSE;
2197 SendToPlayer(data, length)
2201 int error, outCount;
2202 outCount = OutputToProcess(NoProc, data, length, &error);
2203 if (outCount < length) {
2204 DisplayFatalError(_("Error writing to display"), error, 1);
2209 PackHolding(packed, holding)
2221 switch (runlength) {
2232 sprintf(q, "%d", runlength);
2244 /* Telnet protocol requests from the front end */
2246 TelnetRequest(ddww, option)
2247 unsigned char ddww, option;
2249 unsigned char msg[3];
2250 int outCount, outError;
2252 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2254 if (appData.debugMode) {
2255 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2271 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2280 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2283 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2288 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2290 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2297 if (!appData.icsActive) return;
2298 TelnetRequest(TN_DO, TN_ECHO);
2304 if (!appData.icsActive) return;
2305 TelnetRequest(TN_DONT, TN_ECHO);
2309 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2311 /* put the holdings sent to us by the server on the board holdings area */
2312 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2316 if(gameInfo.holdingsWidth < 2) return;
2317 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2318 return; // prevent overwriting by pre-board holdings
2320 if( (int)lowestPiece >= BlackPawn ) {
2323 holdingsStartRow = BOARD_HEIGHT-1;
2326 holdingsColumn = BOARD_WIDTH-1;
2327 countsColumn = BOARD_WIDTH-2;
2328 holdingsStartRow = 0;
2332 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2333 board[i][holdingsColumn] = EmptySquare;
2334 board[i][countsColumn] = (ChessSquare) 0;
2336 while( (p=*holdings++) != NULLCHAR ) {
2337 piece = CharToPiece( ToUpper(p) );
2338 if(piece == EmptySquare) continue;
2339 /*j = (int) piece - (int) WhitePawn;*/
2340 j = PieceToNumber(piece);
2341 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2342 if(j < 0) continue; /* should not happen */
2343 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2344 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2345 board[holdingsStartRow+j*direction][countsColumn]++;
2351 VariantSwitch(Board board, VariantClass newVariant)
2353 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2354 static Board oldBoard;
2356 startedFromPositionFile = FALSE;
2357 if(gameInfo.variant == newVariant) return;
2359 /* [HGM] This routine is called each time an assignment is made to
2360 * gameInfo.variant during a game, to make sure the board sizes
2361 * are set to match the new variant. If that means adding or deleting
2362 * holdings, we shift the playing board accordingly
2363 * This kludge is needed because in ICS observe mode, we get boards
2364 * of an ongoing game without knowing the variant, and learn about the
2365 * latter only later. This can be because of the move list we requested,
2366 * in which case the game history is refilled from the beginning anyway,
2367 * but also when receiving holdings of a crazyhouse game. In the latter
2368 * case we want to add those holdings to the already received position.
2372 if (appData.debugMode) {
2373 fprintf(debugFP, "Switch board from %s to %s\n",
2374 VariantName(gameInfo.variant), VariantName(newVariant));
2375 setbuf(debugFP, NULL);
2377 shuffleOpenings = 0; /* [HGM] shuffle */
2378 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2382 newWidth = 9; newHeight = 9;
2383 gameInfo.holdingsSize = 7;
2384 case VariantBughouse:
2385 case VariantCrazyhouse:
2386 newHoldingsWidth = 2; break;
2390 newHoldingsWidth = 2;
2391 gameInfo.holdingsSize = 8;
2394 case VariantCapablanca:
2395 case VariantCapaRandom:
2398 newHoldingsWidth = gameInfo.holdingsSize = 0;
2401 if(newWidth != gameInfo.boardWidth ||
2402 newHeight != gameInfo.boardHeight ||
2403 newHoldingsWidth != gameInfo.holdingsWidth ) {
2405 /* shift position to new playing area, if needed */
2406 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2407 for(i=0; i<BOARD_HEIGHT; i++)
2408 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2409 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2411 for(i=0; i<newHeight; i++) {
2412 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2413 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2415 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2416 for(i=0; i<BOARD_HEIGHT; i++)
2417 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2418 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2421 gameInfo.boardWidth = newWidth;
2422 gameInfo.boardHeight = newHeight;
2423 gameInfo.holdingsWidth = newHoldingsWidth;
2424 gameInfo.variant = newVariant;
2425 InitDrawingSizes(-2, 0);
2426 } else gameInfo.variant = newVariant;
2427 CopyBoard(oldBoard, board); // remember correctly formatted board
2428 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2429 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2432 static int loggedOn = FALSE;
2434 /*-- Game start info cache: --*/
2436 char gs_kind[MSG_SIZ];
2437 static char player1Name[128] = "";
2438 static char player2Name[128] = "";
2439 static char cont_seq[] = "\n\\ ";
2440 static int player1Rating = -1;
2441 static int player2Rating = -1;
2442 /*----------------------------*/
2444 ColorClass curColor = ColorNormal;
2445 int suppressKibitz = 0;
2448 Boolean soughtPending = FALSE;
2449 Boolean seekGraphUp;
2450 #define MAX_SEEK_ADS 200
2452 char *seekAdList[MAX_SEEK_ADS];
2453 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2454 float tcList[MAX_SEEK_ADS];
2455 char colorList[MAX_SEEK_ADS];
2456 int nrOfSeekAds = 0;
2457 int minRating = 1010, maxRating = 2800;
2458 int hMargin = 10, vMargin = 20, h, w;
2459 extern int squareSize, lineGap;
2464 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2465 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2466 if(r < minRating+100 && r >=0 ) r = minRating+100;
2467 if(r > maxRating) r = maxRating;
2468 if(tc < 1.) tc = 1.;
2469 if(tc > 95.) tc = 95.;
2470 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2471 y = ((double)r - minRating)/(maxRating - minRating)
2472 * (h-vMargin-squareSize/8-1) + vMargin;
2473 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2474 if(strstr(seekAdList[i], " u ")) color = 1;
2475 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2476 !strstr(seekAdList[i], "bullet") &&
2477 !strstr(seekAdList[i], "blitz") &&
2478 !strstr(seekAdList[i], "standard") ) color = 2;
2479 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2480 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2484 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2486 char buf[MSG_SIZ], *ext = "";
2487 VariantClass v = StringToVariant(type);
2488 if(strstr(type, "wild")) {
2489 ext = type + 4; // append wild number
2490 if(v == VariantFischeRandom) type = "chess960"; else
2491 if(v == VariantLoadable) type = "setup"; else
2492 type = VariantName(v);
2494 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2495 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2496 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2497 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2498 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2499 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2500 seekNrList[nrOfSeekAds] = nr;
2501 zList[nrOfSeekAds] = 0;
2502 seekAdList[nrOfSeekAds++] = StrSave(buf);
2503 if(plot) PlotSeekAd(nrOfSeekAds-1);
2510 int x = xList[i], y = yList[i], d=squareSize/4, k;
2511 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2512 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2513 // now replot every dot that overlapped
2514 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2515 int xx = xList[k], yy = yList[k];
2516 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2517 DrawSeekDot(xx, yy, colorList[k]);
2522 RemoveSeekAd(int nr)
2525 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2527 if(seekAdList[i]) free(seekAdList[i]);
2528 seekAdList[i] = seekAdList[--nrOfSeekAds];
2529 seekNrList[i] = seekNrList[nrOfSeekAds];
2530 ratingList[i] = ratingList[nrOfSeekAds];
2531 colorList[i] = colorList[nrOfSeekAds];
2532 tcList[i] = tcList[nrOfSeekAds];
2533 xList[i] = xList[nrOfSeekAds];
2534 yList[i] = yList[nrOfSeekAds];
2535 zList[i] = zList[nrOfSeekAds];
2536 seekAdList[nrOfSeekAds] = NULL;
2542 MatchSoughtLine(char *line)
2544 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2545 int nr, base, inc, u=0; char dummy;
2547 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2548 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2550 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2551 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2552 // match: compact and save the line
2553 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2563 if(!seekGraphUp) return FALSE;
2564 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2565 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2567 DrawSeekBackground(0, 0, w, h);
2568 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2569 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2570 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2571 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2573 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2576 snprintf(buf, MSG_SIZ, "%d", i);
2577 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2580 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2581 for(i=1; i<100; i+=(i<10?1:5)) {
2582 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2583 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2584 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2586 snprintf(buf, MSG_SIZ, "%d", i);
2587 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2590 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2594 int SeekGraphClick(ClickType click, int x, int y, int moving)
2596 static int lastDown = 0, displayed = 0, lastSecond;
2597 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2598 if(click == Release || moving) return FALSE;
2600 soughtPending = TRUE;
2601 SendToICS(ics_prefix);
2602 SendToICS("sought\n"); // should this be "sought all"?
2603 } else { // issue challenge based on clicked ad
2604 int dist = 10000; int i, closest = 0, second = 0;
2605 for(i=0; i<nrOfSeekAds; i++) {
2606 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2607 if(d < dist) { dist = d; closest = i; }
2608 second += (d - zList[i] < 120); // count in-range ads
2609 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2613 second = (second > 1);
2614 if(displayed != closest || second != lastSecond) {
2615 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2616 lastSecond = second; displayed = closest;
2618 if(click == Press) {
2619 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2622 } // on press 'hit', only show info
2623 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2624 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2625 SendToICS(ics_prefix);
2627 return TRUE; // let incoming board of started game pop down the graph
2628 } else if(click == Release) { // release 'miss' is ignored
2629 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2630 if(moving == 2) { // right up-click
2631 nrOfSeekAds = 0; // refresh graph
2632 soughtPending = TRUE;
2633 SendToICS(ics_prefix);
2634 SendToICS("sought\n"); // should this be "sought all"?
2637 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2638 // press miss or release hit 'pop down' seek graph
2639 seekGraphUp = FALSE;
2640 DrawPosition(TRUE, NULL);
2646 read_from_ics(isr, closure, data, count, error)
2653 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2654 #define STARTED_NONE 0
2655 #define STARTED_MOVES 1
2656 #define STARTED_BOARD 2
2657 #define STARTED_OBSERVE 3
2658 #define STARTED_HOLDINGS 4
2659 #define STARTED_CHATTER 5
2660 #define STARTED_COMMENT 6
2661 #define STARTED_MOVES_NOHIDE 7
2663 static int started = STARTED_NONE;
2664 static char parse[20000];
2665 static int parse_pos = 0;
2666 static char buf[BUF_SIZE + 1];
2667 static int firstTime = TRUE, intfSet = FALSE;
2668 static ColorClass prevColor = ColorNormal;
2669 static int savingComment = FALSE;
2670 static int cmatch = 0; // continuation sequence match
2677 int backup; /* [DM] For zippy color lines */
2679 char talker[MSG_SIZ]; // [HGM] chat
2682 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2684 if (appData.debugMode) {
2686 fprintf(debugFP, "<ICS: ");
2687 show_bytes(debugFP, data, count);
2688 fprintf(debugFP, "\n");
2692 if (appData.debugMode) { int f = forwardMostMove;
2693 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2694 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2695 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2698 /* If last read ended with a partial line that we couldn't parse,
2699 prepend it to the new read and try again. */
2700 if (leftover_len > 0) {
2701 for (i=0; i<leftover_len; i++)
2702 buf[i] = buf[leftover_start + i];
2705 /* copy new characters into the buffer */
2706 bp = buf + leftover_len;
2707 buf_len=leftover_len;
2708 for (i=0; i<count; i++)
2711 if (data[i] == '\r')
2714 // join lines split by ICS?
2715 if (!appData.noJoin)
2718 Joining just consists of finding matches against the
2719 continuation sequence, and discarding that sequence
2720 if found instead of copying it. So, until a match
2721 fails, there's nothing to do since it might be the
2722 complete sequence, and thus, something we don't want
2725 if (data[i] == cont_seq[cmatch])
2728 if (cmatch == strlen(cont_seq))
2730 cmatch = 0; // complete match. just reset the counter
2733 it's possible for the ICS to not include the space
2734 at the end of the last word, making our [correct]
2735 join operation fuse two separate words. the server
2736 does this when the space occurs at the width setting.
2738 if (!buf_len || buf[buf_len-1] != ' ')
2749 match failed, so we have to copy what matched before
2750 falling through and copying this character. In reality,
2751 this will only ever be just the newline character, but
2752 it doesn't hurt to be precise.
2754 strncpy(bp, cont_seq, cmatch);
2766 buf[buf_len] = NULLCHAR;
2767 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2772 while (i < buf_len) {
2773 /* Deal with part of the TELNET option negotiation
2774 protocol. We refuse to do anything beyond the
2775 defaults, except that we allow the WILL ECHO option,
2776 which ICS uses to turn off password echoing when we are
2777 directly connected to it. We reject this option
2778 if localLineEditing mode is on (always on in xboard)
2779 and we are talking to port 23, which might be a real
2780 telnet server that will try to keep WILL ECHO on permanently.
2782 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2783 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2784 unsigned char option;
2786 switch ((unsigned char) buf[++i]) {
2788 if (appData.debugMode)
2789 fprintf(debugFP, "\n<WILL ");
2790 switch (option = (unsigned char) buf[++i]) {
2792 if (appData.debugMode)
2793 fprintf(debugFP, "ECHO ");
2794 /* Reply only if this is a change, according
2795 to the protocol rules. */
2796 if (remoteEchoOption) break;
2797 if (appData.localLineEditing &&
2798 atoi(appData.icsPort) == TN_PORT) {
2799 TelnetRequest(TN_DONT, TN_ECHO);
2802 TelnetRequest(TN_DO, TN_ECHO);
2803 remoteEchoOption = TRUE;
2807 if (appData.debugMode)
2808 fprintf(debugFP, "%d ", option);
2809 /* Whatever this is, we don't want it. */
2810 TelnetRequest(TN_DONT, option);
2815 if (appData.debugMode)
2816 fprintf(debugFP, "\n<WONT ");
2817 switch (option = (unsigned char) buf[++i]) {
2819 if (appData.debugMode)
2820 fprintf(debugFP, "ECHO ");
2821 /* Reply only if this is a change, according
2822 to the protocol rules. */
2823 if (!remoteEchoOption) break;
2825 TelnetRequest(TN_DONT, TN_ECHO);
2826 remoteEchoOption = FALSE;
2829 if (appData.debugMode)
2830 fprintf(debugFP, "%d ", (unsigned char) option);
2831 /* Whatever this is, it must already be turned
2832 off, because we never agree to turn on
2833 anything non-default, so according to the
2834 protocol rules, we don't reply. */
2839 if (appData.debugMode)
2840 fprintf(debugFP, "\n<DO ");
2841 switch (option = (unsigned char) buf[++i]) {
2843 /* Whatever this is, we refuse to do it. */
2844 if (appData.debugMode)
2845 fprintf(debugFP, "%d ", option);
2846 TelnetRequest(TN_WONT, option);
2851 if (appData.debugMode)
2852 fprintf(debugFP, "\n<DONT ");
2853 switch (option = (unsigned char) buf[++i]) {
2855 if (appData.debugMode)
2856 fprintf(debugFP, "%d ", option);
2857 /* Whatever this is, we are already not doing
2858 it, because we never agree to do anything
2859 non-default, so according to the protocol
2860 rules, we don't reply. */
2865 if (appData.debugMode)
2866 fprintf(debugFP, "\n<IAC ");
2867 /* Doubled IAC; pass it through */
2871 if (appData.debugMode)
2872 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2873 /* Drop all other telnet commands on the floor */
2876 if (oldi > next_out)
2877 SendToPlayer(&buf[next_out], oldi - next_out);
2883 /* OK, this at least will *usually* work */
2884 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2888 if (loggedOn && !intfSet) {
2889 if (ics_type == ICS_ICC) {
2890 snprintf(str, MSG_SIZ,
2891 "/set-quietly interface %s\n/set-quietly style 12\n",
2893 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2894 strcat(str, "/set-2 51 1\n/set seek 1\n");
2895 } else if (ics_type == ICS_CHESSNET) {
2896 snprintf(str, MSG_SIZ, "/style 12\n");
2898 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2899 strcat(str, programVersion);
2900 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2901 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2902 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2904 strcat(str, "$iset nohighlight 1\n");
2906 strcat(str, "$iset lock 1\n$style 12\n");
2909 NotifyFrontendLogin();
2913 if (started == STARTED_COMMENT) {
2914 /* Accumulate characters in comment */
2915 parse[parse_pos++] = buf[i];
2916 if (buf[i] == '\n') {
2917 parse[parse_pos] = NULLCHAR;
2918 if(chattingPartner>=0) {
2920 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2921 OutputChatMessage(chattingPartner, mess);
2922 chattingPartner = -1;
2923 next_out = i+1; // [HGM] suppress printing in ICS window
2925 if(!suppressKibitz) // [HGM] kibitz
2926 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2927 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2928 int nrDigit = 0, nrAlph = 0, j;
2929 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2930 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2931 parse[parse_pos] = NULLCHAR;
2932 // try to be smart: if it does not look like search info, it should go to
2933 // ICS interaction window after all, not to engine-output window.
2934 for(j=0; j<parse_pos; j++) { // count letters and digits
2935 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2936 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2937 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2939 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2940 int depth=0; float score;
2941 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2942 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2943 pvInfoList[forwardMostMove-1].depth = depth;
2944 pvInfoList[forwardMostMove-1].score = 100*score;
2946 OutputKibitz(suppressKibitz, parse);
2949 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2950 SendToPlayer(tmp, strlen(tmp));
2952 next_out = i+1; // [HGM] suppress printing in ICS window
2954 started = STARTED_NONE;
2956 /* Don't match patterns against characters in comment */
2961 if (started == STARTED_CHATTER) {
2962 if (buf[i] != '\n') {
2963 /* Don't match patterns against characters in chatter */
2967 started = STARTED_NONE;
2968 if(suppressKibitz) next_out = i+1;
2971 /* Kludge to deal with rcmd protocol */
2972 if (firstTime && looking_at(buf, &i, "\001*")) {
2973 DisplayFatalError(&buf[1], 0, 1);
2979 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2982 if (appData.debugMode)
2983 fprintf(debugFP, "ics_type %d\n", ics_type);
2986 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2987 ics_type = ICS_FICS;
2989 if (appData.debugMode)
2990 fprintf(debugFP, "ics_type %d\n", ics_type);
2993 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2994 ics_type = ICS_CHESSNET;
2996 if (appData.debugMode)
2997 fprintf(debugFP, "ics_type %d\n", ics_type);
3002 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3003 looking_at(buf, &i, "Logging you in as \"*\"") ||
3004 looking_at(buf, &i, "will be \"*\""))) {
3005 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3009 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3011 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3012 DisplayIcsInteractionTitle(buf);
3013 have_set_title = TRUE;
3016 /* skip finger notes */
3017 if (started == STARTED_NONE &&
3018 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3019 (buf[i] == '1' && buf[i+1] == '0')) &&
3020 buf[i+2] == ':' && buf[i+3] == ' ') {
3021 started = STARTED_CHATTER;
3027 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3028 if(appData.seekGraph) {
3029 if(soughtPending && MatchSoughtLine(buf+i)) {
3030 i = strstr(buf+i, "rated") - buf;
3031 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3032 next_out = leftover_start = i;
3033 started = STARTED_CHATTER;
3034 suppressKibitz = TRUE;
3037 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3038 && looking_at(buf, &i, "* ads displayed")) {
3039 soughtPending = FALSE;
3044 if(appData.autoRefresh) {
3045 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3046 int s = (ics_type == ICS_ICC); // ICC format differs
3048 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3049 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3050 looking_at(buf, &i, "*% "); // eat prompt
3051 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3052 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3053 next_out = i; // suppress
3056 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3057 char *p = star_match[0];
3059 if(seekGraphUp) RemoveSeekAd(atoi(p));
3060 while(*p && *p++ != ' '); // next
3062 looking_at(buf, &i, "*% "); // eat prompt
3063 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3070 /* skip formula vars */
3071 if (started == STARTED_NONE &&
3072 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3073 started = STARTED_CHATTER;
3078 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3079 if (appData.autoKibitz && started == STARTED_NONE &&
3080 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3081 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3082 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3083 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3084 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3085 suppressKibitz = TRUE;
3086 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3088 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3089 && (gameMode == IcsPlayingWhite)) ||
3090 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3091 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3092 started = STARTED_CHATTER; // own kibitz we simply discard
3094 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3095 parse_pos = 0; parse[0] = NULLCHAR;
3096 savingComment = TRUE;
3097 suppressKibitz = gameMode != IcsObserving ? 2 :
3098 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3102 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3103 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3104 && atoi(star_match[0])) {
3105 // suppress the acknowledgements of our own autoKibitz
3107 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3108 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3109 SendToPlayer(star_match[0], strlen(star_match[0]));
3110 if(looking_at(buf, &i, "*% ")) // eat prompt
3111 suppressKibitz = FALSE;
3115 } // [HGM] kibitz: end of patch
3117 // [HGM] chat: intercept tells by users for which we have an open chat window
3119 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3120 looking_at(buf, &i, "* whispers:") ||
3121 looking_at(buf, &i, "* kibitzes:") ||
3122 looking_at(buf, &i, "* shouts:") ||
3123 looking_at(buf, &i, "* c-shouts:") ||
3124 looking_at(buf, &i, "--> * ") ||
3125 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3126 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3127 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3128 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3130 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3131 chattingPartner = -1;
3133 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3134 for(p=0; p<MAX_CHAT; p++) {
3135 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3136 talker[0] = '['; strcat(talker, "] ");
3137 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3138 chattingPartner = p; break;
3141 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3142 for(p=0; p<MAX_CHAT; p++) {
3143 if(!strcmp("kibitzes", chatPartner[p])) {
3144 talker[0] = '['; strcat(talker, "] ");
3145 chattingPartner = p; break;
3148 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3149 for(p=0; p<MAX_CHAT; p++) {
3150 if(!strcmp("whispers", chatPartner[p])) {
3151 talker[0] = '['; strcat(talker, "] ");
3152 chattingPartner = p; break;
3155 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3156 if(buf[i-8] == '-' && buf[i-3] == 't')
3157 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3158 if(!strcmp("c-shouts", chatPartner[p])) {
3159 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3160 chattingPartner = p; break;
3163 if(chattingPartner < 0)
3164 for(p=0; p<MAX_CHAT; p++) {
3165 if(!strcmp("shouts", chatPartner[p])) {
3166 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3167 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3168 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3169 chattingPartner = p; break;
3173 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3174 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3175 talker[0] = 0; Colorize(ColorTell, FALSE);
3176 chattingPartner = p; break;
3178 if(chattingPartner<0) i = oldi; else {
3179 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3180 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3181 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3182 started = STARTED_COMMENT;
3183 parse_pos = 0; parse[0] = NULLCHAR;
3184 savingComment = 3 + chattingPartner; // counts as TRUE
3185 suppressKibitz = TRUE;
3188 } // [HGM] chat: end of patch
3191 if (appData.zippyTalk || appData.zippyPlay) {
3192 /* [DM] Backup address for color zippy lines */
3194 if (loggedOn == TRUE)
3195 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3196 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3198 } // [DM] 'else { ' deleted
3200 /* Regular tells and says */
3201 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3202 looking_at(buf, &i, "* (your partner) tells you: ") ||
3203 looking_at(buf, &i, "* says: ") ||
3204 /* Don't color "message" or "messages" output */
3205 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3206 looking_at(buf, &i, "*. * at *:*: ") ||
3207 looking_at(buf, &i, "--* (*:*): ") ||
3208 /* Message notifications (same color as tells) */
3209 looking_at(buf, &i, "* has left a message ") ||
3210 looking_at(buf, &i, "* just sent you a message:\n") ||
3211 /* Whispers and kibitzes */
3212 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3213 looking_at(buf, &i, "* kibitzes: ") ||
3215 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3217 if (tkind == 1 && strchr(star_match[0], ':')) {
3218 /* Avoid "tells you:" spoofs in channels */
3221 if (star_match[0][0] == NULLCHAR ||
3222 strchr(star_match[0], ' ') ||
3223 (tkind == 3 && strchr(star_match[1], ' '))) {
3224 /* Reject bogus matches */
3227 if (appData.colorize) {
3228 if (oldi > next_out) {
3229 SendToPlayer(&buf[next_out], oldi - next_out);
3234 Colorize(ColorTell, FALSE);
3235 curColor = ColorTell;
3238 Colorize(ColorKibitz, FALSE);
3239 curColor = ColorKibitz;
3242 p = strrchr(star_match[1], '(');
3249 Colorize(ColorChannel1, FALSE);
3250 curColor = ColorChannel1;
3252 Colorize(ColorChannel, FALSE);
3253 curColor = ColorChannel;
3257 curColor = ColorNormal;
3261 if (started == STARTED_NONE && appData.autoComment &&
3262 (gameMode == IcsObserving ||
3263 gameMode == IcsPlayingWhite ||
3264 gameMode == IcsPlayingBlack)) {
3265 parse_pos = i - oldi;
3266 memcpy(parse, &buf[oldi], parse_pos);
3267 parse[parse_pos] = NULLCHAR;
3268 started = STARTED_COMMENT;
3269 savingComment = TRUE;
3271 started = STARTED_CHATTER;
3272 savingComment = FALSE;
3279 if (looking_at(buf, &i, "* s-shouts: ") ||
3280 looking_at(buf, &i, "* c-shouts: ")) {
3281 if (appData.colorize) {
3282 if (oldi > next_out) {
3283 SendToPlayer(&buf[next_out], oldi - next_out);
3286 Colorize(ColorSShout, FALSE);
3287 curColor = ColorSShout;
3290 started = STARTED_CHATTER;
3294 if (looking_at(buf, &i, "--->")) {
3299 if (looking_at(buf, &i, "* shouts: ") ||
3300 looking_at(buf, &i, "--> ")) {
3301 if (appData.colorize) {
3302 if (oldi > next_out) {
3303 SendToPlayer(&buf[next_out], oldi - next_out);
3306 Colorize(ColorShout, FALSE);
3307 curColor = ColorShout;
3310 started = STARTED_CHATTER;
3314 if (looking_at( buf, &i, "Challenge:")) {
3315 if (appData.colorize) {
3316 if (oldi > next_out) {
3317 SendToPlayer(&buf[next_out], oldi - next_out);
3320 Colorize(ColorChallenge, FALSE);
3321 curColor = ColorChallenge;
3327 if (looking_at(buf, &i, "* offers you") ||
3328 looking_at(buf, &i, "* offers to be") ||
3329 looking_at(buf, &i, "* would like to") ||
3330 looking_at(buf, &i, "* requests to") ||
3331 looking_at(buf, &i, "Your opponent offers") ||
3332 looking_at(buf, &i, "Your opponent requests")) {
3334 if (appData.colorize) {
3335 if (oldi > next_out) {
3336 SendToPlayer(&buf[next_out], oldi - next_out);
3339 Colorize(ColorRequest, FALSE);
3340 curColor = ColorRequest;
3345 if (looking_at(buf, &i, "* (*) seeking")) {
3346 if (appData.colorize) {
3347 if (oldi > next_out) {
3348 SendToPlayer(&buf[next_out], oldi - next_out);
3351 Colorize(ColorSeek, FALSE);
3352 curColor = ColorSeek;
3357 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3359 if (looking_at(buf, &i, "\\ ")) {
3360 if (prevColor != ColorNormal) {
3361 if (oldi > next_out) {
3362 SendToPlayer(&buf[next_out], oldi - next_out);
3365 Colorize(prevColor, TRUE);
3366 curColor = prevColor;
3368 if (savingComment) {
3369 parse_pos = i - oldi;
3370 memcpy(parse, &buf[oldi], parse_pos);
3371 parse[parse_pos] = NULLCHAR;
3372 started = STARTED_COMMENT;
3373 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3374 chattingPartner = savingComment - 3; // kludge to remember the box
3376 started = STARTED_CHATTER;
3381 if (looking_at(buf, &i, "Black Strength :") ||
3382 looking_at(buf, &i, "<<< style 10 board >>>") ||
3383 looking_at(buf, &i, "<10>") ||
3384 looking_at(buf, &i, "#@#")) {
3385 /* Wrong board style */
3387 SendToICS(ics_prefix);
3388 SendToICS("set style 12\n");
3389 SendToICS(ics_prefix);
3390 SendToICS("refresh\n");
3394 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3396 have_sent_ICS_logon = 1;
3400 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3401 (looking_at(buf, &i, "\n<12> ") ||
3402 looking_at(buf, &i, "<12> "))) {
3404 if (oldi > next_out) {
3405 SendToPlayer(&buf[next_out], oldi - next_out);
3408 started = STARTED_BOARD;
3413 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3414 looking_at(buf, &i, "<b1> ")) {
3415 if (oldi > next_out) {
3416 SendToPlayer(&buf[next_out], oldi - next_out);
3419 started = STARTED_HOLDINGS;
3424 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3426 /* Header for a move list -- first line */
3428 switch (ics_getting_history) {
3432 case BeginningOfGame:
3433 /* User typed "moves" or "oldmoves" while we
3434 were idle. Pretend we asked for these
3435 moves and soak them up so user can step
3436 through them and/or save them.
3439 gameMode = IcsObserving;
3442 ics_getting_history = H_GOT_UNREQ_HEADER;
3444 case EditGame: /*?*/
3445 case EditPosition: /*?*/
3446 /* Should above feature work in these modes too? */
3447 /* For now it doesn't */
3448 ics_getting_history = H_GOT_UNWANTED_HEADER;
3451 ics_getting_history = H_GOT_UNWANTED_HEADER;
3456 /* Is this the right one? */
3457 if (gameInfo.white && gameInfo.black &&
3458 strcmp(gameInfo.white, star_match[0]) == 0 &&
3459 strcmp(gameInfo.black, star_match[2]) == 0) {
3461 ics_getting_history = H_GOT_REQ_HEADER;
3464 case H_GOT_REQ_HEADER:
3465 case H_GOT_UNREQ_HEADER:
3466 case H_GOT_UNWANTED_HEADER:
3467 case H_GETTING_MOVES:
3468 /* Should not happen */
3469 DisplayError(_("Error gathering move list: two headers"), 0);
3470 ics_getting_history = H_FALSE;
3474 /* Save player ratings into gameInfo if needed */
3475 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3476 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3477 (gameInfo.whiteRating == -1 ||
3478 gameInfo.blackRating == -1)) {
3480 gameInfo.whiteRating = string_to_rating(star_match[1]);
3481 gameInfo.blackRating = string_to_rating(star_match[3]);
3482 if (appData.debugMode)
3483 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3484 gameInfo.whiteRating, gameInfo.blackRating);
3489 if (looking_at(buf, &i,
3490 "* * match, initial time: * minute*, increment: * second")) {
3491 /* Header for a move list -- second line */
3492 /* Initial board will follow if this is a wild game */
3493 if (gameInfo.event != NULL) free(gameInfo.event);
3494 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3495 gameInfo.event = StrSave(str);
3496 /* [HGM] we switched variant. Translate boards if needed. */
3497 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3501 if (looking_at(buf, &i, "Move ")) {
3502 /* Beginning of a move list */
3503 switch (ics_getting_history) {
3505 /* Normally should not happen */
3506 /* Maybe user hit reset while we were parsing */
3509 /* Happens if we are ignoring a move list that is not
3510 * the one we just requested. Common if the user
3511 * tries to observe two games without turning off
3514 case H_GETTING_MOVES:
3515 /* Should not happen */
3516 DisplayError(_("Error gathering move list: nested"), 0);
3517 ics_getting_history = H_FALSE;
3519 case H_GOT_REQ_HEADER:
3520 ics_getting_history = H_GETTING_MOVES;
3521 started = STARTED_MOVES;
3523 if (oldi > next_out) {
3524 SendToPlayer(&buf[next_out], oldi - next_out);
3527 case H_GOT_UNREQ_HEADER:
3528 ics_getting_history = H_GETTING_MOVES;
3529 started = STARTED_MOVES_NOHIDE;
3532 case H_GOT_UNWANTED_HEADER:
3533 ics_getting_history = H_FALSE;
3539 if (looking_at(buf, &i, "% ") ||
3540 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3541 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3542 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3543 soughtPending = FALSE;
3547 if(suppressKibitz) next_out = i;
3548 savingComment = FALSE;
3552 case STARTED_MOVES_NOHIDE:
3553 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3554 parse[parse_pos + i - oldi] = NULLCHAR;
3555 ParseGameHistory(parse);
3557 if (appData.zippyPlay && first.initDone) {
3558 FeedMovesToProgram(&first, forwardMostMove);
3559 if (gameMode == IcsPlayingWhite) {
3560 if (WhiteOnMove(forwardMostMove)) {
3561 if (first.sendTime) {
3562 if (first.useColors) {
3563 SendToProgram("black\n", &first);
3565 SendTimeRemaining(&first, TRUE);
3567 if (first.useColors) {
3568 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3570 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3571 first.maybeThinking = TRUE;
3573 if (first.usePlayother) {
3574 if (first.sendTime) {
3575 SendTimeRemaining(&first, TRUE);
3577 SendToProgram("playother\n", &first);
3583 } else if (gameMode == IcsPlayingBlack) {
3584 if (!WhiteOnMove(forwardMostMove)) {
3585 if (first.sendTime) {
3586 if (first.useColors) {
3587 SendToProgram("white\n", &first);
3589 SendTimeRemaining(&first, FALSE);
3591 if (first.useColors) {
3592 SendToProgram("black\n", &first);
3594 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3595 first.maybeThinking = TRUE;
3597 if (first.usePlayother) {
3598 if (first.sendTime) {
3599 SendTimeRemaining(&first, FALSE);
3601 SendToProgram("playother\n", &first);
3610 if (gameMode == IcsObserving && ics_gamenum == -1) {
3611 /* Moves came from oldmoves or moves command
3612 while we weren't doing anything else.
3614 currentMove = forwardMostMove;
3615 ClearHighlights();/*!!could figure this out*/
3616 flipView = appData.flipView;
3617 DrawPosition(TRUE, boards[currentMove]);
3618 DisplayBothClocks();
3619 snprintf(str, MSG_SIZ, "%s vs. %s",
3620 gameInfo.white, gameInfo.black);
3624 /* Moves were history of an active game */
3625 if (gameInfo.resultDetails != NULL) {
3626 free(gameInfo.resultDetails);
3627 gameInfo.resultDetails = NULL;
3630 HistorySet(parseList, backwardMostMove,
3631 forwardMostMove, currentMove-1);
3632 DisplayMove(currentMove - 1);
3633 if (started == STARTED_MOVES) next_out = i;
3634 started = STARTED_NONE;
3635 ics_getting_history = H_FALSE;
3638 case STARTED_OBSERVE:
3639 started = STARTED_NONE;
3640 SendToICS(ics_prefix);
3641 SendToICS("refresh\n");
3647 if(bookHit) { // [HGM] book: simulate book reply
3648 static char bookMove[MSG_SIZ]; // a bit generous?
3650 programStats.nodes = programStats.depth = programStats.time =
3651 programStats.score = programStats.got_only_move = 0;
3652 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3654 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3655 strcat(bookMove, bookHit);
3656 HandleMachineMove(bookMove, &first);
3661 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3662 started == STARTED_HOLDINGS ||
3663 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3664 /* Accumulate characters in move list or board */
3665 parse[parse_pos++] = buf[i];
3668 /* Start of game messages. Mostly we detect start of game
3669 when the first board image arrives. On some versions
3670 of the ICS, though, we need to do a "refresh" after starting
3671 to observe in order to get the current board right away. */
3672 if (looking_at(buf, &i, "Adding game * to observation list")) {
3673 started = STARTED_OBSERVE;
3677 /* Handle auto-observe */
3678 if (appData.autoObserve &&
3679 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3680 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3682 /* Choose the player that was highlighted, if any. */
3683 if (star_match[0][0] == '\033' ||
3684 star_match[1][0] != '\033') {
3685 player = star_match[0];
3687 player = star_match[2];
3689 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3690 ics_prefix, StripHighlightAndTitle(player));
3693 /* Save ratings from notify string */
3694 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3695 player1Rating = string_to_rating(star_match[1]);
3696 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3697 player2Rating = string_to_rating(star_match[3]);
3699 if (appData.debugMode)
3701 "Ratings from 'Game notification:' %s %d, %s %d\n",
3702 player1Name, player1Rating,
3703 player2Name, player2Rating);
3708 /* Deal with automatic examine mode after a game,
3709 and with IcsObserving -> IcsExamining transition */
3710 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3711 looking_at(buf, &i, "has made you an examiner of game *")) {
3713 int gamenum = atoi(star_match[0]);
3714 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3715 gamenum == ics_gamenum) {
3716 /* We were already playing or observing this game;
3717 no need to refetch history */
3718 gameMode = IcsExamining;
3720 pauseExamForwardMostMove = forwardMostMove;
3721 } else if (currentMove < forwardMostMove) {
3722 ForwardInner(forwardMostMove);
3725 /* I don't think this case really can happen */
3726 SendToICS(ics_prefix);
3727 SendToICS("refresh\n");
3732 /* Error messages */
3733 // if (ics_user_moved) {
3734 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3735 if (looking_at(buf, &i, "Illegal move") ||
3736 looking_at(buf, &i, "Not a legal move") ||
3737 looking_at(buf, &i, "Your king is in check") ||
3738 looking_at(buf, &i, "It isn't your turn") ||
3739 looking_at(buf, &i, "It is not your move")) {
3741 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3742 currentMove = forwardMostMove-1;
3743 DisplayMove(currentMove - 1); /* before DMError */
3744 DrawPosition(FALSE, boards[currentMove]);
3745 SwitchClocks(forwardMostMove-1); // [HGM] race
3746 DisplayBothClocks();
3748 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3754 if (looking_at(buf, &i, "still have time") ||
3755 looking_at(buf, &i, "not out of time") ||
3756 looking_at(buf, &i, "either player is out of time") ||
3757 looking_at(buf, &i, "has timeseal; checking")) {
3758 /* We must have called his flag a little too soon */
3759 whiteFlag = blackFlag = FALSE;
3763 if (looking_at(buf, &i, "added * seconds to") ||
3764 looking_at(buf, &i, "seconds were added to")) {
3765 /* Update the clocks */
3766 SendToICS(ics_prefix);
3767 SendToICS("refresh\n");
3771 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3772 ics_clock_paused = TRUE;
3777 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3778 ics_clock_paused = FALSE;
3783 /* Grab player ratings from the Creating: message.
3784 Note we have to check for the special case when
3785 the ICS inserts things like [white] or [black]. */
3786 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3787 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3789 0 player 1 name (not necessarily white)
3791 2 empty, white, or black (IGNORED)
3792 3 player 2 name (not necessarily black)
3795 The names/ratings are sorted out when the game
3796 actually starts (below).
3798 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3799 player1Rating = string_to_rating(star_match[1]);
3800 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3801 player2Rating = string_to_rating(star_match[4]);
3803 if (appData.debugMode)
3805 "Ratings from 'Creating:' %s %d, %s %d\n",
3806 player1Name, player1Rating,
3807 player2Name, player2Rating);
3812 /* Improved generic start/end-of-game messages */
3813 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3814 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3815 /* If tkind == 0: */
3816 /* star_match[0] is the game number */
3817 /* [1] is the white player's name */
3818 /* [2] is the black player's name */
3819 /* For end-of-game: */
3820 /* [3] is the reason for the game end */
3821 /* [4] is a PGN end game-token, preceded by " " */
3822 /* For start-of-game: */
3823 /* [3] begins with "Creating" or "Continuing" */
3824 /* [4] is " *" or empty (don't care). */
3825 int gamenum = atoi(star_match[0]);
3826 char *whitename, *blackname, *why, *endtoken;
3827 ChessMove endtype = EndOfFile;
3830 whitename = star_match[1];
3831 blackname = star_match[2];
3832 why = star_match[3];
3833 endtoken = star_match[4];
3835 whitename = star_match[1];
3836 blackname = star_match[3];
3837 why = star_match[5];
3838 endtoken = star_match[6];
3841 /* Game start messages */
3842 if (strncmp(why, "Creating ", 9) == 0 ||
3843 strncmp(why, "Continuing ", 11) == 0) {
3844 gs_gamenum = gamenum;
3845 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3846 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3848 if (appData.zippyPlay) {
3849 ZippyGameStart(whitename, blackname);
3852 partnerBoardValid = FALSE; // [HGM] bughouse
3856 /* Game end messages */
3857 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3858 ics_gamenum != gamenum) {
3861 while (endtoken[0] == ' ') endtoken++;
3862 switch (endtoken[0]) {
3865 endtype = GameUnfinished;
3868 endtype = BlackWins;
3871 if (endtoken[1] == '/')
3872 endtype = GameIsDrawn;
3874 endtype = WhiteWins;
3877 GameEnds(endtype, why, GE_ICS);
3879 if (appData.zippyPlay && first.initDone) {
3880 ZippyGameEnd(endtype, why);
3881 if (first.pr == NULL) {
3882 /* Start the next process early so that we'll
3883 be ready for the next challenge */
3884 StartChessProgram(&first);
3886 /* Send "new" early, in case this command takes
3887 a long time to finish, so that we'll be ready
3888 for the next challenge. */
3889 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3893 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3897 if (looking_at(buf, &i, "Removing game * from observation") ||
3898 looking_at(buf, &i, "no longer observing game *") ||
3899 looking_at(buf, &i, "Game * (*) has no examiners")) {
3900 if (gameMode == IcsObserving &&
3901 atoi(star_match[0]) == ics_gamenum)
3903 /* icsEngineAnalyze */
3904 if (appData.icsEngineAnalyze) {
3911 ics_user_moved = FALSE;
3916 if (looking_at(buf, &i, "no longer examining game *")) {
3917 if (gameMode == IcsExamining &&
3918 atoi(star_match[0]) == ics_gamenum)
3922 ics_user_moved = FALSE;
3927 /* Advance leftover_start past any newlines we find,
3928 so only partial lines can get reparsed */
3929 if (looking_at(buf, &i, "\n")) {
3930 prevColor = curColor;
3931 if (curColor != ColorNormal) {
3932 if (oldi > next_out) {
3933 SendToPlayer(&buf[next_out], oldi - next_out);
3936 Colorize(ColorNormal, FALSE);
3937 curColor = ColorNormal;
3939 if (started == STARTED_BOARD) {
3940 started = STARTED_NONE;
3941 parse[parse_pos] = NULLCHAR;
3942 ParseBoard12(parse);
3945 /* Send premove here */
3946 if (appData.premove) {
3948 if (currentMove == 0 &&
3949 gameMode == IcsPlayingWhite &&
3950 appData.premoveWhite) {
3951 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3952 if (appData.debugMode)
3953 fprintf(debugFP, "Sending premove:\n");
3955 } else if (currentMove == 1 &&
3956 gameMode == IcsPlayingBlack &&
3957 appData.premoveBlack) {
3958 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3959 if (appData.debugMode)
3960 fprintf(debugFP, "Sending premove:\n");
3962 } else if (gotPremove) {
3964 ClearPremoveHighlights();
3965 if (appData.debugMode)
3966 fprintf(debugFP, "Sending premove:\n");
3967 UserMoveEvent(premoveFromX, premoveFromY,
3968 premoveToX, premoveToY,
3973 /* Usually suppress following prompt */
3974 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3975 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3976 if (looking_at(buf, &i, "*% ")) {
3977 savingComment = FALSE;
3982 } else if (started == STARTED_HOLDINGS) {
3984 char new_piece[MSG_SIZ];
3985 started = STARTED_NONE;
3986 parse[parse_pos] = NULLCHAR;
3987 if (appData.debugMode)
3988 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3989 parse, currentMove);
3990 if (sscanf(parse, " game %d", &gamenum) == 1) {
3991 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3992 if (gameInfo.variant == VariantNormal) {
3993 /* [HGM] We seem to switch variant during a game!
3994 * Presumably no holdings were displayed, so we have
3995 * to move the position two files to the right to
3996 * create room for them!
3998 VariantClass newVariant;
3999 switch(gameInfo.boardWidth) { // base guess on board width
4000 case 9: newVariant = VariantShogi; break;
4001 case 10: newVariant = VariantGreat; break;
4002 default: newVariant = VariantCrazyhouse; break;
4004 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4005 /* Get a move list just to see the header, which
4006 will tell us whether this is really bug or zh */
4007 if (ics_getting_history == H_FALSE) {
4008 ics_getting_history = H_REQUESTED;
4009 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4013 new_piece[0] = NULLCHAR;
4014 sscanf(parse, "game %d white [%s black [%s <- %s",
4015 &gamenum, white_holding, black_holding,
4017 white_holding[strlen(white_holding)-1] = NULLCHAR;
4018 black_holding[strlen(black_holding)-1] = NULLCHAR;
4019 /* [HGM] copy holdings to board holdings area */
4020 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4021 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4022 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4024 if (appData.zippyPlay && first.initDone) {
4025 ZippyHoldings(white_holding, black_holding,
4029 if (tinyLayout || smallLayout) {
4030 char wh[16], bh[16];
4031 PackHolding(wh, white_holding);
4032 PackHolding(bh, black_holding);
4033 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4034 gameInfo.white, gameInfo.black);
4036 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4037 gameInfo.white, white_holding,
4038 gameInfo.black, black_holding);
4040 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4041 DrawPosition(FALSE, boards[currentMove]);
4043 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4044 sscanf(parse, "game %d white [%s black [%s <- %s",
4045 &gamenum, white_holding, black_holding,
4047 white_holding[strlen(white_holding)-1] = NULLCHAR;
4048 black_holding[strlen(black_holding)-1] = NULLCHAR;
4049 /* [HGM] copy holdings to partner-board holdings area */
4050 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4051 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4052 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4053 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4054 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4057 /* Suppress following prompt */
4058 if (looking_at(buf, &i, "*% ")) {
4059 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4060 savingComment = FALSE;
4068 i++; /* skip unparsed character and loop back */
4071 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4072 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4073 // SendToPlayer(&buf[next_out], i - next_out);
4074 started != STARTED_HOLDINGS && leftover_start > next_out) {
4075 SendToPlayer(&buf[next_out], leftover_start - next_out);
4079 leftover_len = buf_len - leftover_start;
4080 /* if buffer ends with something we couldn't parse,
4081 reparse it after appending the next read */
4083 } else if (count == 0) {
4084 RemoveInputSource(isr);
4085 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4087 DisplayFatalError(_("Error reading from ICS"), error, 1);
4092 /* Board style 12 looks like this:
4094 <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
4096 * The "<12> " is stripped before it gets to this routine. The two
4097 * trailing 0's (flip state and clock ticking) are later addition, and
4098 * some chess servers may not have them, or may have only the first.
4099 * Additional trailing fields may be added in the future.
4102 #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"
4104 #define RELATION_OBSERVING_PLAYED 0
4105 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4106 #define RELATION_PLAYING_MYMOVE 1
4107 #define RELATION_PLAYING_NOTMYMOVE -1
4108 #define RELATION_EXAMINING 2
4109 #define RELATION_ISOLATED_BOARD -3
4110 #define RELATION_STARTING_POSITION -4 /* FICS only */
4113 ParseBoard12(string)
4116 GameMode newGameMode;
4117 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4118 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4119 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4120 char to_play, board_chars[200];
4121 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4122 char black[32], white[32];
4124 int prevMove = currentMove;
4127 int fromX, fromY, toX, toY;
4129 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4130 char *bookHit = NULL; // [HGM] book
4131 Boolean weird = FALSE, reqFlag = FALSE;
4133 fromX = fromY = toX = toY = -1;
4137 if (appData.debugMode)
4138 fprintf(debugFP, _("Parsing board: %s\n"), string);
4140 move_str[0] = NULLCHAR;
4141 elapsed_time[0] = NULLCHAR;
4142 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4144 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4145 if(string[i] == ' ') { ranks++; files = 0; }
4147 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4150 for(j = 0; j <i; j++) board_chars[j] = string[j];
4151 board_chars[i] = '\0';
4154 n = sscanf(string, PATTERN, &to_play, &double_push,
4155 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4156 &gamenum, white, black, &relation, &basetime, &increment,
4157 &white_stren, &black_stren, &white_time, &black_time,
4158 &moveNum, str, elapsed_time, move_str, &ics_flip,
4162 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4163 DisplayError(str, 0);
4167 /* Convert the move number to internal form */
4168 moveNum = (moveNum - 1) * 2;
4169 if (to_play == 'B') moveNum++;
4170 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4171 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4177 case RELATION_OBSERVING_PLAYED:
4178 case RELATION_OBSERVING_STATIC:
4179 if (gamenum == -1) {
4180 /* Old ICC buglet */
4181 relation = RELATION_OBSERVING_STATIC;
4183 newGameMode = IcsObserving;
4185 case RELATION_PLAYING_MYMOVE:
4186 case RELATION_PLAYING_NOTMYMOVE:
4188 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4189 IcsPlayingWhite : IcsPlayingBlack;
4191 case RELATION_EXAMINING:
4192 newGameMode = IcsExamining;
4194 case RELATION_ISOLATED_BOARD:
4196 /* Just display this board. If user was doing something else,
4197 we will forget about it until the next board comes. */
4198 newGameMode = IcsIdle;
4200 case RELATION_STARTING_POSITION:
4201 newGameMode = gameMode;
4205 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4206 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4207 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4209 for (k = 0; k < ranks; k++) {
4210 for (j = 0; j < files; j++)
4211 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4212 if(gameInfo.holdingsWidth > 1) {
4213 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4214 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4217 CopyBoard(partnerBoard, board);
4218 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4219 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4220 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4221 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4222 if(toSqr = strchr(str, '-')) {
4223 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4224 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4225 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4226 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4227 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4228 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4229 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4230 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4231 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4232 DisplayMessage(partnerStatus, "");
4233 partnerBoardValid = TRUE;
4237 /* Modify behavior for initial board display on move listing
4240 switch (ics_getting_history) {
4244 case H_GOT_REQ_HEADER:
4245 case H_GOT_UNREQ_HEADER:
4246 /* This is the initial position of the current game */
4247 gamenum = ics_gamenum;
4248 moveNum = 0; /* old ICS bug workaround */
4249 if (to_play == 'B') {
4250 startedFromSetupPosition = TRUE;
4251 blackPlaysFirst = TRUE;
4253 if (forwardMostMove == 0) forwardMostMove = 1;
4254 if (backwardMostMove == 0) backwardMostMove = 1;
4255 if (currentMove == 0) currentMove = 1;
4257 newGameMode = gameMode;
4258 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4260 case H_GOT_UNWANTED_HEADER:
4261 /* This is an initial board that we don't want */
4263 case H_GETTING_MOVES:
4264 /* Should not happen */
4265 DisplayError(_("Error gathering move list: extra board"), 0);
4266 ics_getting_history = H_FALSE;
4270 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4271 weird && (int)gameInfo.variant < (int)VariantShogi) {
4272 /* [HGM] We seem to have switched variant unexpectedly
4273 * Try to guess new variant from board size
4275 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4276 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4277 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4278 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4279 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4280 if(!weird) newVariant = VariantNormal;
4281 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4282 /* Get a move list just to see the header, which
4283 will tell us whether this is really bug or zh */
4284 if (ics_getting_history == H_FALSE) {
4285 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4286 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4291 /* Take action if this is the first board of a new game, or of a
4292 different game than is currently being displayed. */
4293 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4294 relation == RELATION_ISOLATED_BOARD) {
4296 /* Forget the old game and get the history (if any) of the new one */
4297 if (gameMode != BeginningOfGame) {
4301 if (appData.autoRaiseBoard) BoardToTop();
4303 if (gamenum == -1) {
4304 newGameMode = IcsIdle;
4305 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4306 appData.getMoveList && !reqFlag) {
4307 /* Need to get game history */
4308 ics_getting_history = H_REQUESTED;
4309 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4313 /* Initially flip the board to have black on the bottom if playing
4314 black or if the ICS flip flag is set, but let the user change
4315 it with the Flip View button. */
4316 flipView = appData.autoFlipView ?
4317 (newGameMode == IcsPlayingBlack) || ics_flip :
4320 /* Done with values from previous mode; copy in new ones */
4321 gameMode = newGameMode;
4323 ics_gamenum = gamenum;
4324 if (gamenum == gs_gamenum) {
4325 int klen = strlen(gs_kind);
4326 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4327 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4328 gameInfo.event = StrSave(str);
4330 gameInfo.event = StrSave("ICS game");
4332 gameInfo.site = StrSave(appData.icsHost);
4333 gameInfo.date = PGNDate();
4334 gameInfo.round = StrSave("-");
4335 gameInfo.white = StrSave(white);
4336 gameInfo.black = StrSave(black);
4337 timeControl = basetime * 60 * 1000;
4339 timeIncrement = increment * 1000;
4340 movesPerSession = 0;
4341 gameInfo.timeControl = TimeControlTagValue();
4342 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4343 if (appData.debugMode) {
4344 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4345 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4346 setbuf(debugFP, NULL);
4349 gameInfo.outOfBook = NULL;
4351 /* Do we have the ratings? */
4352 if (strcmp(player1Name, white) == 0 &&
4353 strcmp(player2Name, black) == 0) {
4354 if (appData.debugMode)
4355 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4356 player1Rating, player2Rating);
4357 gameInfo.whiteRating = player1Rating;
4358 gameInfo.blackRating = player2Rating;
4359 } else if (strcmp(player2Name, white) == 0 &&
4360 strcmp(player1Name, black) == 0) {
4361 if (appData.debugMode)
4362 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4363 player2Rating, player1Rating);
4364 gameInfo.whiteRating = player2Rating;
4365 gameInfo.blackRating = player1Rating;
4367 player1Name[0] = player2Name[0] = NULLCHAR;
4369 /* Silence shouts if requested */
4370 if (appData.quietPlay &&
4371 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4372 SendToICS(ics_prefix);
4373 SendToICS("set shout 0\n");
4377 /* Deal with midgame name changes */
4379 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4380 if (gameInfo.white) free(gameInfo.white);
4381 gameInfo.white = StrSave(white);
4383 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4384 if (gameInfo.black) free(gameInfo.black);
4385 gameInfo.black = StrSave(black);
4389 /* Throw away game result if anything actually changes in examine mode */
4390 if (gameMode == IcsExamining && !newGame) {
4391 gameInfo.result = GameUnfinished;
4392 if (gameInfo.resultDetails != NULL) {
4393 free(gameInfo.resultDetails);
4394 gameInfo.resultDetails = NULL;
4398 /* In pausing && IcsExamining mode, we ignore boards coming
4399 in if they are in a different variation than we are. */
4400 if (pauseExamInvalid) return;
4401 if (pausing && gameMode == IcsExamining) {
4402 if (moveNum <= pauseExamForwardMostMove) {
4403 pauseExamInvalid = TRUE;
4404 forwardMostMove = pauseExamForwardMostMove;
4409 if (appData.debugMode) {
4410 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4412 /* Parse the board */
4413 for (k = 0; k < ranks; k++) {
4414 for (j = 0; j < files; j++)
4415 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4416 if(gameInfo.holdingsWidth > 1) {
4417 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4418 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4421 CopyBoard(boards[moveNum], board);
4422 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4424 startedFromSetupPosition =
4425 !CompareBoards(board, initialPosition);
4426 if(startedFromSetupPosition)
4427 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4430 /* [HGM] Set castling rights. Take the outermost Rooks,
4431 to make it also work for FRC opening positions. Note that board12
4432 is really defective for later FRC positions, as it has no way to
4433 indicate which Rook can castle if they are on the same side of King.
4434 For the initial position we grant rights to the outermost Rooks,
4435 and remember thos rights, and we then copy them on positions
4436 later in an FRC game. This means WB might not recognize castlings with
4437 Rooks that have moved back to their original position as illegal,
4438 but in ICS mode that is not its job anyway.
4440 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4441 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4443 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4444 if(board[0][i] == WhiteRook) j = i;
4445 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4446 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4447 if(board[0][i] == WhiteRook) j = i;
4448 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4449 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4450 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4451 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4452 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4453 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4454 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4456 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4457 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4458 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4459 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4460 if(board[BOARD_HEIGHT-1][k] == bKing)
4461 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4462 if(gameInfo.variant == VariantTwoKings) {
4463 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4464 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4465 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4468 r = boards[moveNum][CASTLING][0] = initialRights[0];
4469 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4470 r = boards[moveNum][CASTLING][1] = initialRights[1];
4471 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4472 r = boards[moveNum][CASTLING][3] = initialRights[3];
4473 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4474 r = boards[moveNum][CASTLING][4] = initialRights[4];
4475 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4476 /* wildcastle kludge: always assume King has rights */
4477 r = boards[moveNum][CASTLING][2] = initialRights[2];
4478 r = boards[moveNum][CASTLING][5] = initialRights[5];
4480 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4481 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4484 if (ics_getting_history == H_GOT_REQ_HEADER ||
4485 ics_getting_history == H_GOT_UNREQ_HEADER) {
4486 /* This was an initial position from a move list, not
4487 the current position */
4491 /* Update currentMove and known move number limits */
4492 newMove = newGame || moveNum > forwardMostMove;
4495 forwardMostMove = backwardMostMove = currentMove = moveNum;
4496 if (gameMode == IcsExamining && moveNum == 0) {
4497 /* Workaround for ICS limitation: we are not told the wild
4498 type when starting to examine a game. But if we ask for
4499 the move list, the move list header will tell us */
4500 ics_getting_history = H_REQUESTED;
4501 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4504 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4505 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4507 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4508 /* [HGM] applied this also to an engine that is silently watching */
4509 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4510 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4511 gameInfo.variant == currentlyInitializedVariant) {
4512 takeback = forwardMostMove - moveNum;
4513 for (i = 0; i < takeback; i++) {
4514 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4515 SendToProgram("undo\n", &first);
4520 forwardMostMove = moveNum;
4521 if (!pausing || currentMove > forwardMostMove)
4522 currentMove = forwardMostMove;
4524 /* New part of history that is not contiguous with old part */
4525 if (pausing && gameMode == IcsExamining) {
4526 pauseExamInvalid = TRUE;
4527 forwardMostMove = pauseExamForwardMostMove;
4530 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4532 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4533 // [HGM] when we will receive the move list we now request, it will be
4534 // fed to the engine from the first move on. So if the engine is not
4535 // in the initial position now, bring it there.
4536 InitChessProgram(&first, 0);
4539 ics_getting_history = H_REQUESTED;
4540 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4543 forwardMostMove = backwardMostMove = currentMove = moveNum;
4546 /* Update the clocks */
4547 if (strchr(elapsed_time, '.')) {
4549 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4550 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4552 /* Time is in seconds */
4553 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4554 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4559 if (appData.zippyPlay && newGame &&
4560 gameMode != IcsObserving && gameMode != IcsIdle &&
4561 gameMode != IcsExamining)
4562 ZippyFirstBoard(moveNum, basetime, increment);
4565 /* Put the move on the move list, first converting
4566 to canonical algebraic form. */
4568 if (appData.debugMode) {
4569 if (appData.debugMode) { int f = forwardMostMove;
4570 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4571 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4572 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4574 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4575 fprintf(debugFP, "moveNum = %d\n", moveNum);
4576 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4577 setbuf(debugFP, NULL);
4579 if (moveNum <= backwardMostMove) {
4580 /* We don't know what the board looked like before
4582 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4583 strcat(parseList[moveNum - 1], " ");
4584 strcat(parseList[moveNum - 1], elapsed_time);
4585 moveList[moveNum - 1][0] = NULLCHAR;
4586 } else if (strcmp(move_str, "none") == 0) {
4587 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4588 /* Again, we don't know what the board looked like;
4589 this is really the start of the game. */
4590 parseList[moveNum - 1][0] = NULLCHAR;
4591 moveList[moveNum - 1][0] = NULLCHAR;
4592 backwardMostMove = moveNum;
4593 startedFromSetupPosition = TRUE;
4594 fromX = fromY = toX = toY = -1;
4596 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4597 // So we parse the long-algebraic move string in stead of the SAN move
4598 int valid; char buf[MSG_SIZ], *prom;
4600 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4601 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4602 // str looks something like "Q/a1-a2"; kill the slash
4604 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4605 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4606 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4607 strcat(buf, prom); // long move lacks promo specification!
4608 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4609 if(appData.debugMode)
4610 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4611 safeStrCpy(move_str, buf, MSG_SIZ);
4613 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4614 &fromX, &fromY, &toX, &toY, &promoChar)
4615 || ParseOneMove(buf, moveNum - 1, &moveType,
4616 &fromX, &fromY, &toX, &toY, &promoChar);
4617 // end of long SAN patch
4619 (void) CoordsToAlgebraic(boards[moveNum - 1],
4620 PosFlags(moveNum - 1),
4621 fromY, fromX, toY, toX, promoChar,
4622 parseList[moveNum-1]);
4623 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4629 if(gameInfo.variant != VariantShogi)
4630 strcat(parseList[moveNum - 1], "+");
4633 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4634 strcat(parseList[moveNum - 1], "#");
4637 strcat(parseList[moveNum - 1], " ");
4638 strcat(parseList[moveNum - 1], elapsed_time);
4639 /* currentMoveString is set as a side-effect of ParseOneMove */
4640 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4641 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4642 strcat(moveList[moveNum - 1], "\n");
4644 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper
4645 && gameInfo.variant != VariantGreat) // inherit info that ICS does not give from previous board
4646 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4647 ChessSquare old, new = boards[moveNum][k][j];
4648 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4649 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4650 if(old == new) continue;
4651 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4652 else if(new == WhiteWazir || new == BlackWazir) {
4653 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4654 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4655 else boards[moveNum][k][j] = old; // preserve type of Gold
4656 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4657 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4660 /* Move from ICS was illegal!? Punt. */
4661 if (appData.debugMode) {
4662 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4663 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4665 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4666 strcat(parseList[moveNum - 1], " ");
4667 strcat(parseList[moveNum - 1], elapsed_time);
4668 moveList[moveNum - 1][0] = NULLCHAR;
4669 fromX = fromY = toX = toY = -1;
4672 if (appData.debugMode) {
4673 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4674 setbuf(debugFP, NULL);
4678 /* Send move to chess program (BEFORE animating it). */
4679 if (appData.zippyPlay && !newGame && newMove &&
4680 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4682 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4683 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4684 if (moveList[moveNum - 1][0] == NULLCHAR) {
4685 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4687 DisplayError(str, 0);
4689 if (first.sendTime) {
4690 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4692 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4693 if (firstMove && !bookHit) {
4695 if (first.useColors) {
4696 SendToProgram(gameMode == IcsPlayingWhite ?
4698 "black\ngo\n", &first);
4700 SendToProgram("go\n", &first);
4702 first.maybeThinking = TRUE;
4705 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4706 if (moveList[moveNum - 1][0] == NULLCHAR) {
4707 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4708 DisplayError(str, 0);
4710 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4711 SendMoveToProgram(moveNum - 1, &first);
4718 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4719 /* If move comes from a remote source, animate it. If it
4720 isn't remote, it will have already been animated. */
4721 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4722 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4724 if (!pausing && appData.highlightLastMove) {
4725 SetHighlights(fromX, fromY, toX, toY);
4729 /* Start the clocks */
4730 whiteFlag = blackFlag = FALSE;
4731 appData.clockMode = !(basetime == 0 && increment == 0);
4733 ics_clock_paused = TRUE;
4735 } else if (ticking == 1) {
4736 ics_clock_paused = FALSE;
4738 if (gameMode == IcsIdle ||
4739 relation == RELATION_OBSERVING_STATIC ||
4740 relation == RELATION_EXAMINING ||
4742 DisplayBothClocks();
4746 /* Display opponents and material strengths */
4747 if (gameInfo.variant != VariantBughouse &&
4748 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4749 if (tinyLayout || smallLayout) {
4750 if(gameInfo.variant == VariantNormal)
4751 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4752 gameInfo.white, white_stren, gameInfo.black, black_stren,
4753 basetime, increment);
4755 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4756 gameInfo.white, white_stren, gameInfo.black, black_stren,
4757 basetime, increment, (int) gameInfo.variant);
4759 if(gameInfo.variant == VariantNormal)
4760 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4761 gameInfo.white, white_stren, gameInfo.black, black_stren,
4762 basetime, increment);
4764 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4765 gameInfo.white, white_stren, gameInfo.black, black_stren,
4766 basetime, increment, VariantName(gameInfo.variant));
4769 if (appData.debugMode) {
4770 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4775 /* Display the board */
4776 if (!pausing && !appData.noGUI) {
4778 if (appData.premove)
4780 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4781 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4782 ClearPremoveHighlights();
4784 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4785 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4786 DrawPosition(j, boards[currentMove]);
4788 DisplayMove(moveNum - 1);
4789 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4790 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4791 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4792 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4796 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4798 if(bookHit) { // [HGM] book: simulate book reply
4799 static char bookMove[MSG_SIZ]; // a bit generous?
4801 programStats.nodes = programStats.depth = programStats.time =
4802 programStats.score = programStats.got_only_move = 0;
4803 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4805 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4806 strcat(bookMove, bookHit);
4807 HandleMachineMove(bookMove, &first);
4816 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4817 ics_getting_history = H_REQUESTED;
4818 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4824 AnalysisPeriodicEvent(force)
4827 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4828 && !force) || !appData.periodicUpdates)
4831 /* Send . command to Crafty to collect stats */
4832 SendToProgram(".\n", &first);
4834 /* Don't send another until we get a response (this makes
4835 us stop sending to old Crafty's which don't understand
4836 the "." command (sending illegal cmds resets node count & time,
4837 which looks bad)) */
4838 programStats.ok_to_send = 0;
4841 void ics_update_width(new_width)
4844 ics_printf("set width %d\n", new_width);
4848 SendMoveToProgram(moveNum, cps)
4850 ChessProgramState *cps;
4854 if (cps->useUsermove) {
4855 SendToProgram("usermove ", cps);
4859 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4860 int len = space - parseList[moveNum];
4861 memcpy(buf, parseList[moveNum], len);
4863 buf[len] = NULLCHAR;
4865 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4867 SendToProgram(buf, cps);
4869 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4870 AlphaRank(moveList[moveNum], 4);
4871 SendToProgram(moveList[moveNum], cps);
4872 AlphaRank(moveList[moveNum], 4); // and back
4874 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4875 * the engine. It would be nice to have a better way to identify castle
4877 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4878 && cps->useOOCastle) {
4879 int fromX = moveList[moveNum][0] - AAA;
4880 int fromY = moveList[moveNum][1] - ONE;
4881 int toX = moveList[moveNum][2] - AAA;
4882 int toY = moveList[moveNum][3] - ONE;
4883 if((boards[moveNum][fromY][fromX] == WhiteKing
4884 && boards[moveNum][toY][toX] == WhiteRook)
4885 || (boards[moveNum][fromY][fromX] == BlackKing
4886 && boards[moveNum][toY][toX] == BlackRook)) {
4887 if(toX > fromX) SendToProgram("O-O\n", cps);
4888 else SendToProgram("O-O-O\n", cps);
4890 else SendToProgram(moveList[moveNum], cps);
4892 else SendToProgram(moveList[moveNum], cps);
4893 /* End of additions by Tord */
4896 /* [HGM] setting up the opening has brought engine in force mode! */
4897 /* Send 'go' if we are in a mode where machine should play. */
4898 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4899 (gameMode == TwoMachinesPlay ||
4901 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4903 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4904 SendToProgram("go\n", cps);
4905 if (appData.debugMode) {
4906 fprintf(debugFP, "(extra)\n");
4909 setboardSpoiledMachineBlack = 0;
4913 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4915 int fromX, fromY, toX, toY;
4918 char user_move[MSG_SIZ];
4922 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4923 (int)moveType, fromX, fromY, toX, toY);
4924 DisplayError(user_move + strlen("say "), 0);
4926 case WhiteKingSideCastle:
4927 case BlackKingSideCastle:
4928 case WhiteQueenSideCastleWild:
4929 case BlackQueenSideCastleWild:
4931 case WhiteHSideCastleFR:
4932 case BlackHSideCastleFR:
4934 snprintf(user_move, MSG_SIZ, "o-o\n");
4936 case WhiteQueenSideCastle:
4937 case BlackQueenSideCastle:
4938 case WhiteKingSideCastleWild:
4939 case BlackKingSideCastleWild:
4941 case WhiteASideCastleFR:
4942 case BlackASideCastleFR:
4944 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4946 case WhiteNonPromotion:
4947 case BlackNonPromotion:
4948 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4950 case WhitePromotion:
4951 case BlackPromotion:
4952 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4953 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4954 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4955 PieceToChar(WhiteFerz));
4956 else if(gameInfo.variant == VariantGreat)
4957 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4958 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4959 PieceToChar(WhiteMan));
4961 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4962 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4968 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4969 ToUpper(PieceToChar((ChessSquare) fromX)),
4970 AAA + toX, ONE + toY);
4972 case IllegalMove: /* could be a variant we don't quite understand */
4973 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4975 case WhiteCapturesEnPassant:
4976 case BlackCapturesEnPassant:
4977 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4978 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4981 SendToICS(user_move);
4982 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4983 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4988 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4989 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4990 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4991 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4992 DisplayError("You cannot do this while you are playing or observing", 0);
4995 if(gameMode != IcsExamining) { // is this ever not the case?
4996 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4998 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4999 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5000 } else { // on FICS we must first go to general examine mode
5001 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5003 if(gameInfo.variant != VariantNormal) {
5004 // try figure out wild number, as xboard names are not always valid on ICS
5005 for(i=1; i<=36; i++) {
5006 snprintf(buf, MSG_SIZ, "wild/%d", i);
5007 if(StringToVariant(buf) == gameInfo.variant) break;
5009 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5010 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5011 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5012 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5013 SendToICS(ics_prefix);
5015 if(startedFromSetupPosition || backwardMostMove != 0) {
5016 fen = PositionToFEN(backwardMostMove, NULL);
5017 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5018 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5020 } else { // FICS: everything has to set by separate bsetup commands
5021 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5022 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5024 if(!WhiteOnMove(backwardMostMove)) {
5025 SendToICS("bsetup tomove black\n");
5027 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5028 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5030 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5031 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5033 i = boards[backwardMostMove][EP_STATUS];
5034 if(i >= 0) { // set e.p.
5035 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5041 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5042 SendToICS("bsetup done\n"); // switch to normal examining.
5044 for(i = backwardMostMove; i<last; i++) {
5046 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5049 SendToICS(ics_prefix);
5050 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5054 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5059 if (rf == DROP_RANK) {
5060 sprintf(move, "%c@%c%c\n",
5061 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5063 if (promoChar == 'x' || promoChar == NULLCHAR) {
5064 sprintf(move, "%c%c%c%c\n",
5065 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5067 sprintf(move, "%c%c%c%c%c\n",
5068 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5074 ProcessICSInitScript(f)
5079 while (fgets(buf, MSG_SIZ, f)) {
5080 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5087 static int lastX, lastY, selectFlag, dragging;
5092 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5093 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5094 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5095 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5096 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5097 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5100 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5101 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5102 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5103 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5105 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5106 appData.testLegality && (promoSweep == king ||
5107 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5108 ChangeDragPiece(promoSweep);
5111 int PromoScroll(int x, int y)
5115 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5116 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5117 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5118 if(!step) return FALSE;
5119 lastX = x; lastY = y;
5120 if((promoSweep < BlackPawn) == flipView) step = -step;
5121 if(step > 0) selectFlag = 1;
5122 if(!selectFlag) Sweep(step);
5129 ChessSquare piece = boards[currentMove][toY][toX];
5132 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5133 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5134 if(!step) step = -1;
5135 } while(PieceToChar(pieceSweep) == '.');
5136 boards[currentMove][toY][toX] = pieceSweep;
5137 DrawPosition(FALSE, boards[currentMove]);
5138 boards[currentMove][toY][toX] = piece;
5140 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5142 AlphaRank(char *move, int n)
5144 // char *p = move, c; int x, y;
5146 if (appData.debugMode) {
5147 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5151 move[2]>='0' && move[2]<='9' &&
5152 move[3]>='a' && move[3]<='x' ) {
5154 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5155 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5157 if(move[0]>='0' && move[0]<='9' &&
5158 move[1]>='a' && move[1]<='x' &&
5159 move[2]>='0' && move[2]<='9' &&
5160 move[3]>='a' && move[3]<='x' ) {
5161 /* input move, Shogi -> normal */
5162 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5163 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5164 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5165 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5168 move[3]>='0' && move[3]<='9' &&
5169 move[2]>='a' && move[2]<='x' ) {
5171 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5172 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5175 move[0]>='a' && move[0]<='x' &&
5176 move[3]>='0' && move[3]<='9' &&
5177 move[2]>='a' && move[2]<='x' ) {
5178 /* output move, normal -> Shogi */
5179 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5180 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5181 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5182 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5183 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5185 if (appData.debugMode) {
5186 fprintf(debugFP, " out = '%s'\n", move);
5190 char yy_textstr[8000];
5192 /* Parser for moves from gnuchess, ICS, or user typein box */
5194 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5197 ChessMove *moveType;
5198 int *fromX, *fromY, *toX, *toY;
5201 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5203 switch (*moveType) {
5204 case WhitePromotion:
5205 case BlackPromotion:
5206 case WhiteNonPromotion:
5207 case BlackNonPromotion:
5209 case WhiteCapturesEnPassant:
5210 case BlackCapturesEnPassant:
5211 case WhiteKingSideCastle:
5212 case WhiteQueenSideCastle:
5213 case BlackKingSideCastle:
5214 case BlackQueenSideCastle:
5215 case WhiteKingSideCastleWild:
5216 case WhiteQueenSideCastleWild:
5217 case BlackKingSideCastleWild:
5218 case BlackQueenSideCastleWild:
5219 /* Code added by Tord: */
5220 case WhiteHSideCastleFR:
5221 case WhiteASideCastleFR:
5222 case BlackHSideCastleFR:
5223 case BlackASideCastleFR:
5224 /* End of code added by Tord */
5225 case IllegalMove: /* bug or odd chess variant */
5226 *fromX = currentMoveString[0] - AAA;
5227 *fromY = currentMoveString[1] - ONE;
5228 *toX = currentMoveString[2] - AAA;
5229 *toY = currentMoveString[3] - ONE;
5230 *promoChar = currentMoveString[4];
5231 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5232 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5233 if (appData.debugMode) {
5234 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5236 *fromX = *fromY = *toX = *toY = 0;
5239 if (appData.testLegality) {
5240 return (*moveType != IllegalMove);
5242 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5243 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5248 *fromX = *moveType == WhiteDrop ?
5249 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5250 (int) CharToPiece(ToLower(currentMoveString[0]));
5252 *toX = currentMoveString[2] - AAA;
5253 *toY = currentMoveString[3] - ONE;
5254 *promoChar = NULLCHAR;
5258 case ImpossibleMove:
5268 if (appData.debugMode) {
5269 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5272 *fromX = *fromY = *toX = *toY = 0;
5273 *promoChar = NULLCHAR;
5278 Boolean pushed = FALSE;
5281 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5282 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5283 int fromX, fromY, toX, toY; char promoChar;
5288 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5289 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5292 endPV = forwardMostMove;
5294 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5295 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5296 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5297 if(appData.debugMode){
5298 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);
5300 if(!valid && nr == 0 &&
5301 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5302 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5303 // Hande case where played move is different from leading PV move
5304 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5305 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5306 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5307 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5308 endPV += 2; // if position different, keep this
5309 moveList[endPV-1][0] = fromX + AAA;
5310 moveList[endPV-1][1] = fromY + ONE;
5311 moveList[endPV-1][2] = toX + AAA;
5312 moveList[endPV-1][3] = toY + ONE;
5313 parseList[endPV-1][0] = NULLCHAR;
5314 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5317 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5318 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5319 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5320 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5321 valid++; // allow comments in PV
5325 if(endPV+1 > framePtr) break; // no space, truncate
5328 CopyBoard(boards[endPV], boards[endPV-1]);
5329 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5330 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5331 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5332 CoordsToAlgebraic(boards[endPV - 1],
5333 PosFlags(endPV - 1),
5334 fromY, fromX, toY, toX, promoChar,
5335 parseList[endPV - 1]);
5337 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5338 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5339 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5340 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5341 DrawPosition(TRUE, boards[currentMove]);
5345 MultiPV(ChessProgramState *cps)
5346 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5348 for(i=0; i<cps->nrOptions; i++)
5349 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5355 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5357 int startPV, multi, lineStart, origIndex = index;
5358 char *p, buf2[MSG_SIZ];
5360 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5361 lastX = x; lastY = y;
5362 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5363 lineStart = startPV = index;
5364 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5365 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5367 do{ while(buf[index] && buf[index] != '\n') index++;
5368 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5370 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5371 int n = first.option[multi].value;
5372 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5373 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5374 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5375 first.option[multi].value = n;
5379 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5380 *start = startPV; *end = index-1;
5385 LoadPV(int x, int y)
5386 { // called on right mouse click to load PV
5387 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5388 lastX = x; lastY = y;
5389 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5396 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5397 if(endPV < 0) return;
5399 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5400 Boolean saveAnimate = appData.animate;
5402 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5403 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5404 } else storedGames--; // abandon shelved tail of original game
5407 forwardMostMove = currentMove;
5408 currentMove = oldFMM;
5409 appData.animate = FALSE;
5410 ToNrEvent(forwardMostMove);
5411 appData.animate = saveAnimate;
5413 currentMove = forwardMostMove;
5414 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5415 ClearPremoveHighlights();
5416 DrawPosition(TRUE, boards[currentMove]);
5420 MovePV(int x, int y, int h)
5421 { // step through PV based on mouse coordinates (called on mouse move)
5422 int margin = h>>3, step = 0;
5424 // we must somehow check if right button is still down (might be released off board!)
5425 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5426 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5427 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5429 lastX = x; lastY = y;
5431 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5432 if(endPV < 0) return;
5433 if(y < margin) step = 1; else
5434 if(y > h - margin) step = -1;
5435 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5436 currentMove += step;
5437 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5438 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5439 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5440 DrawPosition(FALSE, boards[currentMove]);
5444 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5445 // All positions will have equal probability, but the current method will not provide a unique
5446 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5452 int piecesLeft[(int)BlackPawn];
5453 int seed, nrOfShuffles;
5455 void GetPositionNumber()
5456 { // sets global variable seed
5459 seed = appData.defaultFrcPosition;
5460 if(seed < 0) { // randomize based on time for negative FRC position numbers
5461 for(i=0; i<50; i++) seed += random();
5462 seed = random() ^ random() >> 8 ^ random() << 8;
5463 if(seed<0) seed = -seed;
5467 int put(Board board, int pieceType, int rank, int n, int shade)
5468 // put the piece on the (n-1)-th empty squares of the given shade
5472 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5473 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5474 board[rank][i] = (ChessSquare) pieceType;
5475 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5477 piecesLeft[pieceType]--;
5485 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5486 // calculate where the next piece goes, (any empty square), and put it there
5490 i = seed % squaresLeft[shade];
5491 nrOfShuffles *= squaresLeft[shade];
5492 seed /= squaresLeft[shade];
5493 put(board, pieceType, rank, i, shade);
5496 void AddTwoPieces(Board board, int pieceType, int rank)
5497 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5499 int i, n=squaresLeft[ANY], j=n-1, k;
5501 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5502 i = seed % k; // pick one
5505 while(i >= j) i -= j--;
5506 j = n - 1 - j; i += j;
5507 put(board, pieceType, rank, j, ANY);
5508 put(board, pieceType, rank, i, ANY);
5511 void SetUpShuffle(Board board, int number)
5515 GetPositionNumber(); nrOfShuffles = 1;
5517 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5518 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5519 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5521 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5523 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5524 p = (int) board[0][i];
5525 if(p < (int) BlackPawn) piecesLeft[p] ++;
5526 board[0][i] = EmptySquare;
5529 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5530 // shuffles restricted to allow normal castling put KRR first
5531 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5532 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5533 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5534 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5535 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5536 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5537 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5538 put(board, WhiteRook, 0, 0, ANY);
5539 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5542 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5543 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5544 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5545 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5546 while(piecesLeft[p] >= 2) {
5547 AddOnePiece(board, p, 0, LITE);
5548 AddOnePiece(board, p, 0, DARK);
5550 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5553 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5554 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5555 // but we leave King and Rooks for last, to possibly obey FRC restriction
5556 if(p == (int)WhiteRook) continue;
5557 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5558 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5561 // now everything is placed, except perhaps King (Unicorn) and Rooks
5563 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5564 // Last King gets castling rights
5565 while(piecesLeft[(int)WhiteUnicorn]) {
5566 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5567 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5570 while(piecesLeft[(int)WhiteKing]) {
5571 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5572 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5577 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5578 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5581 // Only Rooks can be left; simply place them all
5582 while(piecesLeft[(int)WhiteRook]) {
5583 i = put(board, WhiteRook, 0, 0, ANY);
5584 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5587 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5589 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5592 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5593 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5596 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5599 int SetCharTable( char *table, const char * map )
5600 /* [HGM] moved here from winboard.c because of its general usefulness */
5601 /* Basically a safe strcpy that uses the last character as King */
5603 int result = FALSE; int NrPieces;
5605 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5606 && NrPieces >= 12 && !(NrPieces&1)) {
5607 int i; /* [HGM] Accept even length from 12 to 34 */
5609 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5610 for( i=0; i<NrPieces/2-1; i++ ) {
5612 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5614 table[(int) WhiteKing] = map[NrPieces/2-1];
5615 table[(int) BlackKing] = map[NrPieces-1];
5623 void Prelude(Board board)
5624 { // [HGM] superchess: random selection of exo-pieces
5625 int i, j, k; ChessSquare p;
5626 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5628 GetPositionNumber(); // use FRC position number
5630 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5631 SetCharTable(pieceToChar, appData.pieceToCharTable);
5632 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5633 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5636 j = seed%4; seed /= 4;
5637 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5638 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5639 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5640 j = seed%3 + (seed%3 >= j); seed /= 3;
5641 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5642 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5643 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5644 j = seed%3; seed /= 3;
5645 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5646 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5647 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5648 j = seed%2 + (seed%2 >= j); seed /= 2;
5649 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5650 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5651 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5652 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5653 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5654 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5655 put(board, exoPieces[0], 0, 0, ANY);
5656 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5660 InitPosition(redraw)
5663 ChessSquare (* pieces)[BOARD_FILES];
5664 int i, j, pawnRow, overrule,
5665 oldx = gameInfo.boardWidth,
5666 oldy = gameInfo.boardHeight,
5667 oldh = gameInfo.holdingsWidth;
5670 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5672 /* [AS] Initialize pv info list [HGM] and game status */
5674 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5675 pvInfoList[i].depth = 0;
5676 boards[i][EP_STATUS] = EP_NONE;
5677 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5680 initialRulePlies = 0; /* 50-move counter start */
5682 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5683 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5687 /* [HGM] logic here is completely changed. In stead of full positions */
5688 /* the initialized data only consist of the two backranks. The switch */
5689 /* selects which one we will use, which is than copied to the Board */
5690 /* initialPosition, which for the rest is initialized by Pawns and */
5691 /* empty squares. This initial position is then copied to boards[0], */
5692 /* possibly after shuffling, so that it remains available. */
5694 gameInfo.holdingsWidth = 0; /* default board sizes */
5695 gameInfo.boardWidth = 8;
5696 gameInfo.boardHeight = 8;
5697 gameInfo.holdingsSize = 0;
5698 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5699 for(i=0; i<BOARD_FILES-2; i++)
5700 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5701 initialPosition[EP_STATUS] = EP_NONE;
5702 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5703 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5704 SetCharTable(pieceNickName, appData.pieceNickNames);
5705 else SetCharTable(pieceNickName, "............");
5708 switch (gameInfo.variant) {
5709 case VariantFischeRandom:
5710 shuffleOpenings = TRUE;
5713 case VariantShatranj:
5714 pieces = ShatranjArray;
5715 nrCastlingRights = 0;
5716 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5719 pieces = makrukArray;
5720 nrCastlingRights = 0;
5721 startedFromSetupPosition = TRUE;
5722 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5724 case VariantTwoKings:
5725 pieces = twoKingsArray;
5727 case VariantCapaRandom:
5728 shuffleOpenings = TRUE;
5729 case VariantCapablanca:
5730 pieces = CapablancaArray;
5731 gameInfo.boardWidth = 10;
5732 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5735 pieces = GothicArray;
5736 gameInfo.boardWidth = 10;
5737 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5740 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5741 gameInfo.holdingsSize = 7;
5744 pieces = JanusArray;
5745 gameInfo.boardWidth = 10;
5746 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5747 nrCastlingRights = 6;
5748 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5749 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5750 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5751 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5752 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5753 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5756 pieces = FalconArray;
5757 gameInfo.boardWidth = 10;
5758 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5760 case VariantXiangqi:
5761 pieces = XiangqiArray;
5762 gameInfo.boardWidth = 9;
5763 gameInfo.boardHeight = 10;
5764 nrCastlingRights = 0;
5765 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5768 pieces = ShogiArray;
5769 gameInfo.boardWidth = 9;
5770 gameInfo.boardHeight = 9;
5771 gameInfo.holdingsSize = 7;
5772 nrCastlingRights = 0;
5773 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5775 case VariantCourier:
5776 pieces = CourierArray;
5777 gameInfo.boardWidth = 12;
5778 nrCastlingRights = 0;
5779 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5781 case VariantKnightmate:
5782 pieces = KnightmateArray;
5783 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5785 case VariantSpartan:
5786 pieces = SpartanArray;
5787 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5790 pieces = fairyArray;
5791 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5794 pieces = GreatArray;
5795 gameInfo.boardWidth = 10;
5796 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5797 gameInfo.holdingsSize = 8;
5801 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5802 gameInfo.holdingsSize = 8;
5803 startedFromSetupPosition = TRUE;
5805 case VariantCrazyhouse:
5806 case VariantBughouse:
5808 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5809 gameInfo.holdingsSize = 5;
5811 case VariantWildCastle:
5813 /* !!?shuffle with kings guaranteed to be on d or e file */
5814 shuffleOpenings = 1;
5816 case VariantNoCastle:
5818 nrCastlingRights = 0;
5819 /* !!?unconstrained back-rank shuffle */
5820 shuffleOpenings = 1;
5825 if(appData.NrFiles >= 0) {
5826 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5827 gameInfo.boardWidth = appData.NrFiles;
5829 if(appData.NrRanks >= 0) {
5830 gameInfo.boardHeight = appData.NrRanks;
5832 if(appData.holdingsSize >= 0) {
5833 i = appData.holdingsSize;
5834 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5835 gameInfo.holdingsSize = i;
5837 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5838 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5839 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5841 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5842 if(pawnRow < 1) pawnRow = 1;
5843 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5845 /* User pieceToChar list overrules defaults */
5846 if(appData.pieceToCharTable != NULL)
5847 SetCharTable(pieceToChar, appData.pieceToCharTable);
5849 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5851 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5852 s = (ChessSquare) 0; /* account holding counts in guard band */
5853 for( i=0; i<BOARD_HEIGHT; i++ )
5854 initialPosition[i][j] = s;
5856 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5857 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5858 initialPosition[pawnRow][j] = WhitePawn;
5859 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5860 if(gameInfo.variant == VariantXiangqi) {
5862 initialPosition[pawnRow][j] =
5863 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5864 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5865 initialPosition[2][j] = WhiteCannon;
5866 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5870 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5872 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5875 initialPosition[1][j] = WhiteBishop;
5876 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5878 initialPosition[1][j] = WhiteRook;
5879 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5882 if( nrCastlingRights == -1) {
5883 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5884 /* This sets default castling rights from none to normal corners */
5885 /* Variants with other castling rights must set them themselves above */
5886 nrCastlingRights = 6;
5888 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5889 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5890 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5891 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5892 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5893 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5896 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5897 if(gameInfo.variant == VariantGreat) { // promotion commoners
5898 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5899 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5900 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5901 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5903 if( gameInfo.variant == VariantSChess ) {
5904 initialPosition[1][0] = BlackMarshall;
5905 initialPosition[2][0] = BlackAngel;
5906 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5907 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5908 initialPosition[1][1] = initialPosition[2][1] =
5909 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5911 if (appData.debugMode) {
5912 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5914 if(shuffleOpenings) {
5915 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5916 startedFromSetupPosition = TRUE;
5918 if(startedFromPositionFile) {
5919 /* [HGM] loadPos: use PositionFile for every new game */
5920 CopyBoard(initialPosition, filePosition);
5921 for(i=0; i<nrCastlingRights; i++)
5922 initialRights[i] = filePosition[CASTLING][i];
5923 startedFromSetupPosition = TRUE;
5926 CopyBoard(boards[0], initialPosition);
5928 if(oldx != gameInfo.boardWidth ||
5929 oldy != gameInfo.boardHeight ||
5930 oldv != gameInfo.variant ||
5931 oldh != gameInfo.holdingsWidth
5933 InitDrawingSizes(-2 ,0);
5935 oldv = gameInfo.variant;
5937 DrawPosition(TRUE, boards[currentMove]);
5941 SendBoard(cps, moveNum)
5942 ChessProgramState *cps;
5945 char message[MSG_SIZ];
5947 if (cps->useSetboard) {
5948 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5949 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5950 SendToProgram(message, cps);
5956 /* Kludge to set black to move, avoiding the troublesome and now
5957 * deprecated "black" command.
5959 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5960 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5962 SendToProgram("edit\n", cps);
5963 SendToProgram("#\n", cps);
5964 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5965 bp = &boards[moveNum][i][BOARD_LEFT];
5966 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5967 if ((int) *bp < (int) BlackPawn) {
5968 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5970 if(message[0] == '+' || message[0] == '~') {
5971 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5972 PieceToChar((ChessSquare)(DEMOTED *bp)),
5975 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5976 message[1] = BOARD_RGHT - 1 - j + '1';
5977 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5979 SendToProgram(message, cps);
5984 SendToProgram("c\n", cps);
5985 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5986 bp = &boards[moveNum][i][BOARD_LEFT];
5987 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5988 if (((int) *bp != (int) EmptySquare)
5989 && ((int) *bp >= (int) BlackPawn)) {
5990 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5992 if(message[0] == '+' || message[0] == '~') {
5993 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5994 PieceToChar((ChessSquare)(DEMOTED *bp)),
5997 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5998 message[1] = BOARD_RGHT - 1 - j + '1';
5999 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6001 SendToProgram(message, cps);
6006 SendToProgram(".\n", cps);
6008 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6012 DefaultPromoChoice(int white)
6015 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6016 result = WhiteFerz; // no choice
6017 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6018 result= WhiteKing; // in Suicide Q is the last thing we want
6019 else if(gameInfo.variant == VariantSpartan)
6020 result = white ? WhiteQueen : WhiteAngel;
6021 else result = WhiteQueen;
6022 if(!white) result = WHITE_TO_BLACK result;
6026 static int autoQueen; // [HGM] oneclick
6029 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
6031 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6032 /* [HGM] add Shogi promotions */
6033 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6038 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6039 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6041 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6042 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6045 piece = boards[currentMove][fromY][fromX];
6046 if(gameInfo.variant == VariantShogi) {
6047 promotionZoneSize = BOARD_HEIGHT/3;
6048 highestPromotingPiece = (int)WhiteFerz;
6049 } else if(gameInfo.variant == VariantMakruk) {
6050 promotionZoneSize = 3;
6053 // Treat Lance as Pawn when it is not representing Amazon
6054 if(gameInfo.variant != VariantSuper) {
6055 if(piece == WhiteLance) piece = WhitePawn; else
6056 if(piece == BlackLance) piece = BlackPawn;
6059 // next weed out all moves that do not touch the promotion zone at all
6060 if((int)piece >= BlackPawn) {
6061 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6063 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6065 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6066 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6069 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6071 // weed out mandatory Shogi promotions
6072 if(gameInfo.variant == VariantShogi) {
6073 if(piece >= BlackPawn) {
6074 if(toY == 0 && piece == BlackPawn ||
6075 toY == 0 && piece == BlackQueen ||
6076 toY <= 1 && piece == BlackKnight) {
6081 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6082 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6083 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6090 // weed out obviously illegal Pawn moves
6091 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6092 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6093 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6094 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6095 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6096 // note we are not allowed to test for valid (non-)capture, due to premove
6099 // we either have a choice what to promote to, or (in Shogi) whether to promote
6100 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6101 *promoChoice = PieceToChar(BlackFerz); // no choice
6104 // no sense asking what we must promote to if it is going to explode...
6105 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6106 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6109 // give caller the default choice even if we will not make it
6110 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6111 if(gameInfo.variant == VariantShogi) *promoChoice = '+';
6112 if(appData.sweepSelect && gameInfo.variant != VariantGreat
6113 && gameInfo.variant != VariantShogi
6114 && gameInfo.variant != VariantSuper) return FALSE;
6115 if(autoQueen) return FALSE; // predetermined
6117 // suppress promotion popup on illegal moves that are not premoves
6118 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6119 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6120 if(appData.testLegality && !premove) {
6121 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6122 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6123 if(moveType != WhitePromotion && moveType != BlackPromotion)
6131 InPalace(row, column)
6133 { /* [HGM] for Xiangqi */
6134 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6135 column < (BOARD_WIDTH + 4)/2 &&
6136 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6141 PieceForSquare (x, y)
6145 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6148 return boards[currentMove][y][x];
6152 OKToStartUserMove(x, y)
6155 ChessSquare from_piece;
6158 if (matchMode) return FALSE;
6159 if (gameMode == EditPosition) return TRUE;
6161 if (x >= 0 && y >= 0)
6162 from_piece = boards[currentMove][y][x];
6164 from_piece = EmptySquare;
6166 if (from_piece == EmptySquare) return FALSE;
6168 white_piece = (int)from_piece >= (int)WhitePawn &&
6169 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6172 case PlayFromGameFile:
6174 case TwoMachinesPlay:
6182 case MachinePlaysWhite:
6183 case IcsPlayingBlack:
6184 if (appData.zippyPlay) return FALSE;
6186 DisplayMoveError(_("You are playing Black"));
6191 case MachinePlaysBlack:
6192 case IcsPlayingWhite:
6193 if (appData.zippyPlay) return FALSE;
6195 DisplayMoveError(_("You are playing White"));
6201 if (!white_piece && WhiteOnMove(currentMove)) {
6202 DisplayMoveError(_("It is White's turn"));
6205 if (white_piece && !WhiteOnMove(currentMove)) {
6206 DisplayMoveError(_("It is Black's turn"));
6209 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6210 /* Editing correspondence game history */
6211 /* Could disallow this or prompt for confirmation */
6216 case BeginningOfGame:
6217 if (appData.icsActive) return FALSE;
6218 if (!appData.noChessProgram) {
6220 DisplayMoveError(_("You are playing White"));
6227 if (!white_piece && WhiteOnMove(currentMove)) {
6228 DisplayMoveError(_("It is White's turn"));
6231 if (white_piece && !WhiteOnMove(currentMove)) {
6232 DisplayMoveError(_("It is Black's turn"));
6241 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6242 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6243 && gameMode != AnalyzeFile && gameMode != Training) {
6244 DisplayMoveError(_("Displayed position is not current"));
6251 OnlyMove(int *x, int *y, Boolean captures) {
6252 DisambiguateClosure cl;
6253 if (appData.zippyPlay) return FALSE;
6255 case MachinePlaysBlack:
6256 case IcsPlayingWhite:
6257 case BeginningOfGame:
6258 if(!WhiteOnMove(currentMove)) return FALSE;
6260 case MachinePlaysWhite:
6261 case IcsPlayingBlack:
6262 if(WhiteOnMove(currentMove)) return FALSE;
6269 cl.pieceIn = EmptySquare;
6274 cl.promoCharIn = NULLCHAR;
6275 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6276 if( cl.kind == NormalMove ||
6277 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6278 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6279 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6286 if(cl.kind != ImpossibleMove) return FALSE;
6287 cl.pieceIn = EmptySquare;
6292 cl.promoCharIn = NULLCHAR;
6293 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6294 if( cl.kind == NormalMove ||
6295 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6296 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6297 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6302 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6308 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6309 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6310 int lastLoadGameUseList = FALSE;
6311 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6312 ChessMove lastLoadGameStart = EndOfFile;
6315 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6316 int fromX, fromY, toX, toY;
6320 ChessSquare pdown, pup;
6322 /* Check if the user is playing in turn. This is complicated because we
6323 let the user "pick up" a piece before it is his turn. So the piece he
6324 tried to pick up may have been captured by the time he puts it down!
6325 Therefore we use the color the user is supposed to be playing in this
6326 test, not the color of the piece that is currently on the starting
6327 square---except in EditGame mode, where the user is playing both
6328 sides; fortunately there the capture race can't happen. (It can
6329 now happen in IcsExamining mode, but that's just too bad. The user
6330 will get a somewhat confusing message in that case.)
6334 case PlayFromGameFile:
6336 case TwoMachinesPlay:
6340 /* We switched into a game mode where moves are not accepted,
6341 perhaps while the mouse button was down. */
6344 case MachinePlaysWhite:
6345 /* User is moving for Black */
6346 if (WhiteOnMove(currentMove)) {
6347 DisplayMoveError(_("It is White's turn"));
6352 case MachinePlaysBlack:
6353 /* User is moving for White */
6354 if (!WhiteOnMove(currentMove)) {
6355 DisplayMoveError(_("It is Black's turn"));
6362 case BeginningOfGame:
6365 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6366 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6367 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6368 /* User is moving for Black */
6369 if (WhiteOnMove(currentMove)) {
6370 DisplayMoveError(_("It is White's turn"));
6374 /* User is moving for White */
6375 if (!WhiteOnMove(currentMove)) {
6376 DisplayMoveError(_("It is Black's turn"));
6382 case IcsPlayingBlack:
6383 /* User is moving for Black */
6384 if (WhiteOnMove(currentMove)) {
6385 if (!appData.premove) {
6386 DisplayMoveError(_("It is White's turn"));
6387 } else if (toX >= 0 && toY >= 0) {
6390 premoveFromX = fromX;
6391 premoveFromY = fromY;
6392 premovePromoChar = promoChar;
6394 if (appData.debugMode)
6395 fprintf(debugFP, "Got premove: fromX %d,"
6396 "fromY %d, toX %d, toY %d\n",
6397 fromX, fromY, toX, toY);
6403 case IcsPlayingWhite:
6404 /* User is moving for White */
6405 if (!WhiteOnMove(currentMove)) {
6406 if (!appData.premove) {
6407 DisplayMoveError(_("It is Black's turn"));
6408 } else if (toX >= 0 && toY >= 0) {
6411 premoveFromX = fromX;
6412 premoveFromY = fromY;
6413 premovePromoChar = promoChar;
6415 if (appData.debugMode)
6416 fprintf(debugFP, "Got premove: fromX %d,"
6417 "fromY %d, toX %d, toY %d\n",
6418 fromX, fromY, toX, toY);
6428 /* EditPosition, empty square, or different color piece;
6429 click-click move is possible */
6430 if (toX == -2 || toY == -2) {
6431 boards[0][fromY][fromX] = EmptySquare;
6432 DrawPosition(FALSE, boards[currentMove]);
6434 } else if (toX >= 0 && toY >= 0) {
6435 boards[0][toY][toX] = boards[0][fromY][fromX];
6436 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6437 if(boards[0][fromY][0] != EmptySquare) {
6438 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6439 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6442 if(fromX == BOARD_RGHT+1) {
6443 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6444 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6445 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6448 boards[0][fromY][fromX] = EmptySquare;
6449 DrawPosition(FALSE, boards[currentMove]);
6455 if(toX < 0 || toY < 0) return;
6456 pdown = boards[currentMove][fromY][fromX];
6457 pup = boards[currentMove][toY][toX];
6459 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6460 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6461 if( pup != EmptySquare ) return;
6462 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6463 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6464 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6465 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6466 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6467 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6468 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6472 /* [HGM] always test for legality, to get promotion info */
6473 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6474 fromY, fromX, toY, toX, promoChar);
6475 /* [HGM] but possibly ignore an IllegalMove result */
6476 if (appData.testLegality) {
6477 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6478 DisplayMoveError(_("Illegal move"));
6483 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6486 /* Common tail of UserMoveEvent and DropMenuEvent */
6488 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6490 int fromX, fromY, toX, toY;
6491 /*char*/int promoChar;
6495 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6496 // [HGM] superchess: suppress promotions to non-available piece
6497 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6498 if(WhiteOnMove(currentMove)) {
6499 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6501 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6505 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6506 move type in caller when we know the move is a legal promotion */
6507 if(moveType == NormalMove && promoChar)
6508 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6510 /* [HGM] <popupFix> The following if has been moved here from
6511 UserMoveEvent(). Because it seemed to belong here (why not allow
6512 piece drops in training games?), and because it can only be
6513 performed after it is known to what we promote. */
6514 if (gameMode == Training) {
6515 /* compare the move played on the board to the next move in the
6516 * game. If they match, display the move and the opponent's response.
6517 * If they don't match, display an error message.
6521 CopyBoard(testBoard, boards[currentMove]);
6522 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6524 if (CompareBoards(testBoard, boards[currentMove+1])) {
6525 ForwardInner(currentMove+1);
6527 /* Autoplay the opponent's response.
6528 * if appData.animate was TRUE when Training mode was entered,
6529 * the response will be animated.
6531 saveAnimate = appData.animate;
6532 appData.animate = animateTraining;
6533 ForwardInner(currentMove+1);
6534 appData.animate = saveAnimate;
6536 /* check for the end of the game */
6537 if (currentMove >= forwardMostMove) {
6538 gameMode = PlayFromGameFile;
6540 SetTrainingModeOff();
6541 DisplayInformation(_("End of game"));
6544 DisplayError(_("Incorrect move"), 0);
6549 /* Ok, now we know that the move is good, so we can kill
6550 the previous line in Analysis Mode */
6551 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6552 && currentMove < forwardMostMove) {
6553 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6554 else forwardMostMove = currentMove;
6557 /* If we need the chess program but it's dead, restart it */
6558 ResurrectChessProgram();
6560 /* A user move restarts a paused game*/
6564 thinkOutput[0] = NULLCHAR;
6566 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6568 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6569 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6573 if (gameMode == BeginningOfGame) {
6574 if (appData.noChessProgram) {
6575 gameMode = EditGame;
6579 gameMode = MachinePlaysBlack;
6582 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6584 if (first.sendName) {
6585 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6586 SendToProgram(buf, &first);
6593 /* Relay move to ICS or chess engine */
6594 if (appData.icsActive) {
6595 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6596 gameMode == IcsExamining) {
6597 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6598 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6600 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6602 // also send plain move, in case ICS does not understand atomic claims
6603 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6607 if (first.sendTime && (gameMode == BeginningOfGame ||
6608 gameMode == MachinePlaysWhite ||
6609 gameMode == MachinePlaysBlack)) {
6610 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6612 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6613 // [HGM] book: if program might be playing, let it use book
6614 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6615 first.maybeThinking = TRUE;
6616 } else SendMoveToProgram(forwardMostMove-1, &first);
6617 if (currentMove == cmailOldMove + 1) {
6618 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6622 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6626 if(appData.testLegality)
6627 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6633 if (WhiteOnMove(currentMove)) {
6634 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6636 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6640 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6645 case MachinePlaysBlack:
6646 case MachinePlaysWhite:
6647 /* disable certain menu options while machine is thinking */
6648 SetMachineThinkingEnables();
6655 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6656 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6658 if(bookHit) { // [HGM] book: simulate book reply
6659 static char bookMove[MSG_SIZ]; // a bit generous?
6661 programStats.nodes = programStats.depth = programStats.time =
6662 programStats.score = programStats.got_only_move = 0;
6663 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6665 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6666 strcat(bookMove, bookHit);
6667 HandleMachineMove(bookMove, &first);
6673 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6680 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6681 Markers *m = (Markers *) closure;
6682 if(rf == fromY && ff == fromX)
6683 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6684 || kind == WhiteCapturesEnPassant
6685 || kind == BlackCapturesEnPassant);
6686 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6690 MarkTargetSquares(int clear)
6693 if(!appData.markers || !appData.highlightDragging ||
6694 !appData.testLegality || gameMode == EditPosition) return;
6696 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6699 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6700 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6701 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6703 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6706 DrawPosition(TRUE, NULL);
6710 Explode(Board board, int fromX, int fromY, int toX, int toY)
6712 if(gameInfo.variant == VariantAtomic &&
6713 (board[toY][toX] != EmptySquare || // capture?
6714 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6715 board[fromY][fromX] == BlackPawn )
6717 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6723 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6725 int CanPromote(ChessSquare piece, int y)
6727 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6728 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6729 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6730 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6731 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6732 gameInfo.variant == VariantMakruk) return FALSE;
6733 return (piece == BlackPawn && y == 1 ||
6734 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6735 piece == BlackLance && y == 1 ||
6736 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6739 void LeftClick(ClickType clickType, int xPix, int yPix)
6742 Boolean saveAnimate;
6743 static int second = 0, promotionChoice = 0, clearFlag = 0;
6744 char promoChoice = NULLCHAR;
6747 if(appData.seekGraph && appData.icsActive && loggedOn &&
6748 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6749 SeekGraphClick(clickType, xPix, yPix, 0);
6753 if (clickType == Press) ErrorPopDown();
6754 MarkTargetSquares(1);
6756 x = EventToSquare(xPix, BOARD_WIDTH);
6757 y = EventToSquare(yPix, BOARD_HEIGHT);
6758 if (!flipView && y >= 0) {
6759 y = BOARD_HEIGHT - 1 - y;
6761 if (flipView && x >= 0) {
6762 x = BOARD_WIDTH - 1 - x;
6765 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6766 defaultPromoChoice = promoSweep;
6767 promoSweep = EmptySquare; // terminate sweep
6768 promoDefaultAltered = TRUE;
6769 if(!selectFlag) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6772 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6773 if(clickType == Release) return; // ignore upclick of click-click destination
6774 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6775 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6776 if(gameInfo.holdingsWidth &&
6777 (WhiteOnMove(currentMove)
6778 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6779 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6780 // click in right holdings, for determining promotion piece
6781 ChessSquare p = boards[currentMove][y][x];
6782 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6783 if(p != EmptySquare) {
6784 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6789 DrawPosition(FALSE, boards[currentMove]);
6793 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6794 if(clickType == Press
6795 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6796 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6797 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6800 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6801 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6803 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6804 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6805 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6806 defaultPromoChoice = DefaultPromoChoice(side);
6809 autoQueen = appData.alwaysPromoteToQueen;
6813 gatingPiece = EmptySquare;
6814 if (clickType != Press) {
6815 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6816 DragPieceEnd(xPix, yPix); dragging = 0;
6817 DrawPosition(FALSE, NULL);
6821 fromX = x; fromY = y;
6822 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6823 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6824 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6826 if (OKToStartUserMove(fromX, fromY)) {
6828 MarkTargetSquares(0);
6829 DragPieceBegin(xPix, yPix); dragging = 1;
6830 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6831 promoSweep = defaultPromoChoice;
6832 selectFlag = 0; lastX = xPix; lastY = yPix;
6833 Sweep(0); // Pawn that is going to promote: preview promotion piece
6834 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6836 if (appData.highlightDragging) {
6837 SetHighlights(fromX, fromY, -1, -1);
6839 } else fromX = fromY = -1;
6845 if (clickType == Press && gameMode != EditPosition) {
6850 // ignore off-board to clicks
6851 if(y < 0 || x < 0) return;
6853 /* Check if clicking again on the same color piece */
6854 fromP = boards[currentMove][fromY][fromX];
6855 toP = boards[currentMove][y][x];
6856 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6857 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6858 WhitePawn <= toP && toP <= WhiteKing &&
6859 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6860 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6861 (BlackPawn <= fromP && fromP <= BlackKing &&
6862 BlackPawn <= toP && toP <= BlackKing &&
6863 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6864 !(fromP == BlackKing && toP == BlackRook && frc))) {
6865 /* Clicked again on same color piece -- changed his mind */
6866 second = (x == fromX && y == fromY);
6867 promoDefaultAltered = FALSE;
6868 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6869 if (appData.highlightDragging) {
6870 SetHighlights(x, y, -1, -1);
6874 if (OKToStartUserMove(x, y)) {
6875 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6876 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6877 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6878 gatingPiece = boards[currentMove][fromY][fromX];
6879 else gatingPiece = EmptySquare;
6881 fromY = y; dragging = 1;
6882 MarkTargetSquares(0);
6883 DragPieceBegin(xPix, yPix);
6884 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6885 promoSweep = defaultPromoChoice;
6886 selectFlag = 0; lastX = xPix; lastY = yPix;
6887 Sweep(0); // Pawn that is going to promote: preview promotion piece
6891 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6894 // ignore clicks on holdings
6895 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6898 if (clickType == Release && x == fromX && y == fromY) {
6899 DragPieceEnd(xPix, yPix); dragging = 0;
6901 // a deferred attempt to click-click move an empty square on top of a piece
6902 boards[currentMove][y][x] = EmptySquare;
6904 DrawPosition(FALSE, boards[currentMove]);
6905 fromX = fromY = -1; clearFlag = 0;
6908 if (appData.animateDragging) {
6909 /* Undo animation damage if any */
6910 DrawPosition(FALSE, NULL);
6913 /* Second up/down in same square; just abort move */
6916 gatingPiece = EmptySquare;
6919 ClearPremoveHighlights();
6921 /* First upclick in same square; start click-click mode */
6922 SetHighlights(x, y, -1, -1);
6929 /* we now have a different from- and (possibly off-board) to-square */
6930 /* Completed move */
6933 saveAnimate = appData.animate;
6934 if (clickType == Press) {
6935 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
6936 // must be Edit Position mode with empty-square selected
6937 fromX = x; fromY = y; DragPieceBegin(xPix, yPix); dragging = 1; // consider this a new attempt to drag
6938 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
6941 /* Finish clickclick move */
6942 if (appData.animate || appData.highlightLastMove) {
6943 SetHighlights(fromX, fromY, toX, toY);
6948 /* Finish drag move */
6949 if (appData.highlightLastMove) {
6950 SetHighlights(fromX, fromY, toX, toY);
6954 DragPieceEnd(xPix, yPix); dragging = 0;
6955 /* Don't animate move and drag both */
6956 appData.animate = FALSE;
6959 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6960 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6961 ChessSquare piece = boards[currentMove][fromY][fromX];
6962 if(gameMode == EditPosition && piece != EmptySquare &&
6963 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6966 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6967 n = PieceToNumber(piece - (int)BlackPawn);
6968 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6969 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6970 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6972 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6973 n = PieceToNumber(piece);
6974 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6975 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6976 boards[currentMove][n][BOARD_WIDTH-2]++;
6978 boards[currentMove][fromY][fromX] = EmptySquare;
6982 DrawPosition(TRUE, boards[currentMove]);
6986 // off-board moves should not be highlighted
6987 if(x < 0 || y < 0) ClearHighlights();
6989 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6991 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6992 SetHighlights(fromX, fromY, toX, toY);
6993 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6994 // [HGM] super: promotion to captured piece selected from holdings
6995 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6996 promotionChoice = TRUE;
6997 // kludge follows to temporarily execute move on display, without promoting yet
6998 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6999 boards[currentMove][toY][toX] = p;
7000 DrawPosition(FALSE, boards[currentMove]);
7001 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7002 boards[currentMove][toY][toX] = q;
7003 DisplayMessage("Click in holdings to choose piece", "");
7008 int oldMove = currentMove;
7009 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7010 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7011 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7012 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7013 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7014 DrawPosition(TRUE, boards[currentMove]);
7017 appData.animate = saveAnimate;
7018 if (appData.animate || appData.animateDragging) {
7019 /* Undo animation damage if needed */
7020 DrawPosition(FALSE, NULL);
7024 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7025 { // front-end-free part taken out of PieceMenuPopup
7026 int whichMenu; int xSqr, ySqr;
7028 if(seekGraphUp) { // [HGM] seekgraph
7029 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7030 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7034 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7035 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7036 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7037 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7038 if(action == Press) {
7039 originalFlip = flipView;
7040 flipView = !flipView; // temporarily flip board to see game from partners perspective
7041 DrawPosition(TRUE, partnerBoard);
7042 DisplayMessage(partnerStatus, "");
7044 } else if(action == Release) {
7045 flipView = originalFlip;
7046 DrawPosition(TRUE, boards[currentMove]);
7052 xSqr = EventToSquare(x, BOARD_WIDTH);
7053 ySqr = EventToSquare(y, BOARD_HEIGHT);
7054 if (action == Release) {
7055 if(pieceSweep != EmptySquare) {
7056 EditPositionMenuEvent(pieceSweep, toX, toY);
7057 pieceSweep = EmptySquare;
7058 } else UnLoadPV(); // [HGM] pv
7060 if (action != Press) return -2; // return code to be ignored
7063 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
7065 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
7066 if (xSqr < 0 || ySqr < 0) return -1;
7067 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7068 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7069 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7070 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7074 if(!appData.icsEngineAnalyze) return -1;
7075 case IcsPlayingWhite:
7076 case IcsPlayingBlack:
7077 if(!appData.zippyPlay) goto noZip;
7080 case MachinePlaysWhite:
7081 case MachinePlaysBlack:
7082 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7083 if (!appData.dropMenu) {
7085 return 2; // flag front-end to grab mouse events
7087 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7088 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7091 if (xSqr < 0 || ySqr < 0) return -1;
7092 if (!appData.dropMenu || appData.testLegality &&
7093 gameInfo.variant != VariantBughouse &&
7094 gameInfo.variant != VariantCrazyhouse) return -1;
7095 whichMenu = 1; // drop menu
7101 if (((*fromX = xSqr) < 0) ||
7102 ((*fromY = ySqr) < 0)) {
7103 *fromX = *fromY = -1;
7107 *fromX = BOARD_WIDTH - 1 - *fromX;
7109 *fromY = BOARD_HEIGHT - 1 - *fromY;
7114 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7116 // char * hint = lastHint;
7117 FrontEndProgramStats stats;
7119 stats.which = cps == &first ? 0 : 1;
7120 stats.depth = cpstats->depth;
7121 stats.nodes = cpstats->nodes;
7122 stats.score = cpstats->score;
7123 stats.time = cpstats->time;
7124 stats.pv = cpstats->movelist;
7125 stats.hint = lastHint;
7126 stats.an_move_index = 0;
7127 stats.an_move_count = 0;
7129 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7130 stats.hint = cpstats->move_name;
7131 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7132 stats.an_move_count = cpstats->nr_moves;
7135 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
7137 SetProgramStats( &stats );
7141 ClearEngineOutputPane(int which)
7143 static FrontEndProgramStats dummyStats;
7144 dummyStats.which = which;
7145 dummyStats.pv = "#";
7146 SetProgramStats( &dummyStats );
7149 #define MAXPLAYERS 500
7152 TourneyStandings(int display)
7154 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7155 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7156 char result, *p, *names[MAXPLAYERS];
7158 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7159 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7160 names[0] = p = strdup(appData.participants);
7161 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7163 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7165 while(result = appData.results[nr]) {
7166 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7167 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7168 wScore = bScore = 0;
7170 case '+': wScore = 2; break;
7171 case '-': bScore = 2; break;
7172 case '=': wScore = bScore = 1; break;
7174 case '*': return strdup("busy"); // tourney not finished
7182 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7183 for(w=0; w<nPlayers; w++) {
7185 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7186 ranking[w] = b; points[w] = bScore; score[b] = -2;
7188 p = malloc(nPlayers*34+1);
7189 for(w=0; w<nPlayers && w<display; w++)
7190 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7196 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7197 { // count all piece types
7199 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7200 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7201 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7204 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7205 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7206 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7207 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7208 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7209 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7214 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7216 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7217 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7219 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7220 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7221 if(myPawns == 2 && nMine == 3) // KPP
7222 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7223 if(myPawns == 1 && nMine == 2) // KP
7224 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7225 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7226 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7227 if(myPawns) return FALSE;
7228 if(pCnt[WhiteRook+side])
7229 return pCnt[BlackRook-side] ||
7230 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7231 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7232 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7233 if(pCnt[WhiteCannon+side]) {
7234 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7235 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7237 if(pCnt[WhiteKnight+side])
7238 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7243 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7245 VariantClass v = gameInfo.variant;
7247 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7248 if(v == VariantShatranj) return TRUE; // always winnable through baring
7249 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7250 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7252 if(v == VariantXiangqi) {
7253 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7255 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7256 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7257 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7258 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7259 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7260 if(stale) // we have at least one last-rank P plus perhaps C
7261 return majors // KPKX
7262 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7264 return pCnt[WhiteFerz+side] // KCAK
7265 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7266 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7267 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7269 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7270 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7272 if(nMine == 1) return FALSE; // bare King
7273 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
7274 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7275 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7276 // by now we have King + 1 piece (or multiple Bishops on the same color)
7277 if(pCnt[WhiteKnight+side])
7278 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7279 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7280 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7282 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7283 if(pCnt[WhiteAlfil+side])
7284 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7285 if(pCnt[WhiteWazir+side])
7286 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7293 Adjudicate(ChessProgramState *cps)
7294 { // [HGM] some adjudications useful with buggy engines
7295 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7296 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7297 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7298 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7299 int k, count = 0; static int bare = 1;
7300 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7301 Boolean canAdjudicate = !appData.icsActive;
7303 // most tests only when we understand the game, i.e. legality-checking on
7304 if( appData.testLegality )
7305 { /* [HGM] Some more adjudications for obstinate engines */
7306 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7307 static int moveCount = 6;
7309 char *reason = NULL;
7311 /* Count what is on board. */
7312 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7314 /* Some material-based adjudications that have to be made before stalemate test */
7315 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7316 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7317 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7318 if(canAdjudicate && appData.checkMates) {
7320 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7321 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7322 "Xboard adjudication: King destroyed", GE_XBOARD );
7327 /* Bare King in Shatranj (loses) or Losers (wins) */
7328 if( nrW == 1 || nrB == 1) {
7329 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7330 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7331 if(canAdjudicate && appData.checkMates) {
7333 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7334 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7335 "Xboard adjudication: Bare king", GE_XBOARD );
7339 if( gameInfo.variant == VariantShatranj && --bare < 0)
7341 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7342 if(canAdjudicate && appData.checkMates) {
7343 /* but only adjudicate if adjudication enabled */
7345 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7346 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7347 "Xboard adjudication: Bare king", GE_XBOARD );
7354 // don't wait for engine to announce game end if we can judge ourselves
7355 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7357 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7358 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7359 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7360 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7363 reason = "Xboard adjudication: 3rd check";
7364 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7374 reason = "Xboard adjudication: Stalemate";
7375 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7376 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7377 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7378 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7379 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7380 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7381 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7382 EP_CHECKMATE : EP_WINS);
7383 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7384 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7388 reason = "Xboard adjudication: Checkmate";
7389 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7393 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7395 result = GameIsDrawn; break;
7397 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7399 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7403 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7405 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7406 GameEnds( result, reason, GE_XBOARD );
7410 /* Next absolutely insufficient mating material. */
7411 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7412 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7413 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7415 /* always flag draws, for judging claims */
7416 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7418 if(canAdjudicate && appData.materialDraws) {
7419 /* but only adjudicate them if adjudication enabled */
7420 if(engineOpponent) {
7421 SendToProgram("force\n", engineOpponent); // suppress reply
7422 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7424 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7429 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7430 if(gameInfo.variant == VariantXiangqi ?
7431 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7433 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7434 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7435 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7436 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7438 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7439 { /* if the first 3 moves do not show a tactical win, declare draw */
7440 if(engineOpponent) {
7441 SendToProgram("force\n", engineOpponent); // suppress reply
7442 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7444 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7447 } else moveCount = 6;
7449 if (appData.debugMode) { int i;
7450 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7451 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7452 appData.drawRepeats);
7453 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7454 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7458 // Repetition draws and 50-move rule can be applied independently of legality testing
7460 /* Check for rep-draws */
7462 for(k = forwardMostMove-2;
7463 k>=backwardMostMove && k>=forwardMostMove-100 &&
7464 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7465 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7468 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7469 /* compare castling rights */
7470 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7471 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7472 rights++; /* King lost rights, while rook still had them */
7473 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7474 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7475 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7476 rights++; /* but at least one rook lost them */
7478 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7479 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7481 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7482 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7483 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7486 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7487 && appData.drawRepeats > 1) {
7488 /* adjudicate after user-specified nr of repeats */
7489 int result = GameIsDrawn;
7490 char *details = "XBoard adjudication: repetition draw";
7491 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7492 // [HGM] xiangqi: check for forbidden perpetuals
7493 int m, ourPerpetual = 1, hisPerpetual = 1;
7494 for(m=forwardMostMove; m>k; m-=2) {
7495 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7496 ourPerpetual = 0; // the current mover did not always check
7497 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7498 hisPerpetual = 0; // the opponent did not always check
7500 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7501 ourPerpetual, hisPerpetual);
7502 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7503 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7504 details = "Xboard adjudication: perpetual checking";
7506 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7507 break; // (or we would have caught him before). Abort repetition-checking loop.
7509 // Now check for perpetual chases
7510 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7511 hisPerpetual = PerpetualChase(k, forwardMostMove);
7512 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7513 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7514 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7515 details = "Xboard adjudication: perpetual chasing";
7517 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7518 break; // Abort repetition-checking loop.
7520 // if neither of us is checking or chasing all the time, or both are, it is draw
7522 if(engineOpponent) {
7523 SendToProgram("force\n", engineOpponent); // suppress reply
7524 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7526 GameEnds( result, details, GE_XBOARD );
7529 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7530 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7534 /* Now we test for 50-move draws. Determine ply count */
7535 count = forwardMostMove;
7536 /* look for last irreversble move */
7537 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7539 /* if we hit starting position, add initial plies */
7540 if( count == backwardMostMove )
7541 count -= initialRulePlies;
7542 count = forwardMostMove - count;
7543 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7544 // adjust reversible move counter for checks in Xiangqi
7545 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7546 if(i < backwardMostMove) i = backwardMostMove;
7547 while(i <= forwardMostMove) {
7548 lastCheck = inCheck; // check evasion does not count
7549 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7550 if(inCheck || lastCheck) count--; // check does not count
7555 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7556 /* this is used to judge if draw claims are legal */
7557 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7558 if(engineOpponent) {
7559 SendToProgram("force\n", engineOpponent); // suppress reply
7560 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7562 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7566 /* if draw offer is pending, treat it as a draw claim
7567 * when draw condition present, to allow engines a way to
7568 * claim draws before making their move to avoid a race
7569 * condition occurring after their move
7571 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7573 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7574 p = "Draw claim: 50-move rule";
7575 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7576 p = "Draw claim: 3-fold repetition";
7577 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7578 p = "Draw claim: insufficient mating material";
7579 if( p != NULL && canAdjudicate) {
7580 if(engineOpponent) {
7581 SendToProgram("force\n", engineOpponent); // suppress reply
7582 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7584 GameEnds( GameIsDrawn, p, GE_XBOARD );
7589 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7590 if(engineOpponent) {
7591 SendToProgram("force\n", engineOpponent); // suppress reply
7592 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7594 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7600 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7601 { // [HGM] book: this routine intercepts moves to simulate book replies
7602 char *bookHit = NULL;
7604 //first determine if the incoming move brings opponent into his book
7605 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7606 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7607 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7608 if(bookHit != NULL && !cps->bookSuspend) {
7609 // make sure opponent is not going to reply after receiving move to book position
7610 SendToProgram("force\n", cps);
7611 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7613 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7614 // now arrange restart after book miss
7616 // after a book hit we never send 'go', and the code after the call to this routine
7617 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7618 char buf[MSG_SIZ], *move = bookHit;
7620 int fromX, fromY, toX, toY;
7624 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7625 &fromX, &fromY, &toX, &toY, &promoChar)) {
7626 (void) CoordsToAlgebraic(boards[forwardMostMove],
7627 PosFlags(forwardMostMove),
7628 fromY, fromX, toY, toX, promoChar, move);
7630 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7634 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7635 SendToProgram(buf, cps);
7636 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7637 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7638 SendToProgram("go\n", cps);
7639 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7640 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7641 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7642 SendToProgram("go\n", cps);
7643 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7645 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7649 ChessProgramState *savedState;
7650 void DeferredBookMove(void)
7652 if(savedState->lastPing != savedState->lastPong)
7653 ScheduleDelayedEvent(DeferredBookMove, 10);
7655 HandleMachineMove(savedMessage, savedState);
7658 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7661 HandleMachineMove(message, cps)
7663 ChessProgramState *cps;
7665 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7666 char realname[MSG_SIZ];
7667 int fromX, fromY, toX, toY;
7674 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7675 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7676 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7677 DisplayError(_("Invalid pairing from pairing engine"), 0);
7680 pairingReceived = 1;
7682 return; // Skim the pairing messages here.
7687 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7689 * Kludge to ignore BEL characters
7691 while (*message == '\007') message++;
7694 * [HGM] engine debug message: ignore lines starting with '#' character
7696 if(cps->debug && *message == '#') return;
7699 * Look for book output
7701 if (cps == &first && bookRequested) {
7702 if (message[0] == '\t' || message[0] == ' ') {
7703 /* Part of the book output is here; append it */
7704 strcat(bookOutput, message);
7705 strcat(bookOutput, " \n");
7707 } else if (bookOutput[0] != NULLCHAR) {
7708 /* All of book output has arrived; display it */
7709 char *p = bookOutput;
7710 while (*p != NULLCHAR) {
7711 if (*p == '\t') *p = ' ';
7714 DisplayInformation(bookOutput);
7715 bookRequested = FALSE;
7716 /* Fall through to parse the current output */
7721 * Look for machine move.
7723 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7724 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7726 /* This method is only useful on engines that support ping */
7727 if (cps->lastPing != cps->lastPong) {
7728 if (gameMode == BeginningOfGame) {
7729 /* Extra move from before last new; ignore */
7730 if (appData.debugMode) {
7731 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7734 if (appData.debugMode) {
7735 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7736 cps->which, gameMode);
7739 SendToProgram("undo\n", cps);
7745 case BeginningOfGame:
7746 /* Extra move from before last reset; ignore */
7747 if (appData.debugMode) {
7748 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7755 /* Extra move after we tried to stop. The mode test is
7756 not a reliable way of detecting this problem, but it's
7757 the best we can do on engines that don't support ping.
7759 if (appData.debugMode) {
7760 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7761 cps->which, gameMode);
7763 SendToProgram("undo\n", cps);
7766 case MachinePlaysWhite:
7767 case IcsPlayingWhite:
7768 machineWhite = TRUE;
7771 case MachinePlaysBlack:
7772 case IcsPlayingBlack:
7773 machineWhite = FALSE;
7776 case TwoMachinesPlay:
7777 machineWhite = (cps->twoMachinesColor[0] == 'w');
7780 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7781 if (appData.debugMode) {
7783 "Ignoring move out of turn by %s, gameMode %d"
7784 ", forwardMost %d\n",
7785 cps->which, gameMode, forwardMostMove);
7790 if (appData.debugMode) { int f = forwardMostMove;
7791 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7792 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7793 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7795 if(cps->alphaRank) AlphaRank(machineMove, 4);
7796 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7797 &fromX, &fromY, &toX, &toY, &promoChar)) {
7798 /* Machine move could not be parsed; ignore it. */
7799 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7800 machineMove, _(cps->which));
7801 DisplayError(buf1, 0);
7802 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7803 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7804 if (gameMode == TwoMachinesPlay) {
7805 GameEnds(machineWhite ? BlackWins : WhiteWins,
7811 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7812 /* So we have to redo legality test with true e.p. status here, */
7813 /* to make sure an illegal e.p. capture does not slip through, */
7814 /* to cause a forfeit on a justified illegal-move complaint */
7815 /* of the opponent. */
7816 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7818 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7819 fromY, fromX, toY, toX, promoChar);
7820 if (appData.debugMode) {
7822 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7823 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7824 fprintf(debugFP, "castling rights\n");
7826 if(moveType == IllegalMove) {
7827 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7828 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7829 GameEnds(machineWhite ? BlackWins : WhiteWins,
7832 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7833 /* [HGM] Kludge to handle engines that send FRC-style castling
7834 when they shouldn't (like TSCP-Gothic) */
7836 case WhiteASideCastleFR:
7837 case BlackASideCastleFR:
7839 currentMoveString[2]++;
7841 case WhiteHSideCastleFR:
7842 case BlackHSideCastleFR:
7844 currentMoveString[2]--;
7846 default: ; // nothing to do, but suppresses warning of pedantic compilers
7849 hintRequested = FALSE;
7850 lastHint[0] = NULLCHAR;
7851 bookRequested = FALSE;
7852 /* Program may be pondering now */
7853 cps->maybeThinking = TRUE;
7854 if (cps->sendTime == 2) cps->sendTime = 1;
7855 if (cps->offeredDraw) cps->offeredDraw--;
7857 /* [AS] Save move info*/
7858 pvInfoList[ forwardMostMove ].score = programStats.score;
7859 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7860 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7862 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7864 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7865 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7868 while( count < adjudicateLossPlies ) {
7869 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7872 score = -score; /* Flip score for winning side */
7875 if( score > adjudicateLossThreshold ) {
7882 if( count >= adjudicateLossPlies ) {
7883 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7885 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7886 "Xboard adjudication",
7893 if(Adjudicate(cps)) {
7894 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7895 return; // [HGM] adjudicate: for all automatic game ends
7899 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7901 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7902 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7904 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7906 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7908 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7909 char buf[3*MSG_SIZ];
7911 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7912 programStats.score / 100.,
7914 programStats.time / 100.,
7915 (unsigned int)programStats.nodes,
7916 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7917 programStats.movelist);
7919 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7924 /* [AS] Clear stats for next move */
7925 ClearProgramStats();
7926 thinkOutput[0] = NULLCHAR;
7927 hiddenThinkOutputState = 0;
7930 if (gameMode == TwoMachinesPlay) {
7931 /* [HGM] relaying draw offers moved to after reception of move */
7932 /* and interpreting offer as claim if it brings draw condition */
7933 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7934 SendToProgram("draw\n", cps->other);
7936 if (cps->other->sendTime) {
7937 SendTimeRemaining(cps->other,
7938 cps->other->twoMachinesColor[0] == 'w');
7940 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7941 if (firstMove && !bookHit) {
7943 if (cps->other->useColors) {
7944 SendToProgram(cps->other->twoMachinesColor, cps->other);
7946 SendToProgram("go\n", cps->other);
7948 cps->other->maybeThinking = TRUE;
7951 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7953 if (!pausing && appData.ringBellAfterMoves) {
7958 * Reenable menu items that were disabled while
7959 * machine was thinking
7961 if (gameMode != TwoMachinesPlay)
7962 SetUserThinkingEnables();
7964 // [HGM] book: after book hit opponent has received move and is now in force mode
7965 // force the book reply into it, and then fake that it outputted this move by jumping
7966 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7968 static char bookMove[MSG_SIZ]; // a bit generous?
7970 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7971 strcat(bookMove, bookHit);
7974 programStats.nodes = programStats.depth = programStats.time =
7975 programStats.score = programStats.got_only_move = 0;
7976 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7978 if(cps->lastPing != cps->lastPong) {
7979 savedMessage = message; // args for deferred call
7981 ScheduleDelayedEvent(DeferredBookMove, 10);
7990 /* Set special modes for chess engines. Later something general
7991 * could be added here; for now there is just one kludge feature,
7992 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7993 * when "xboard" is given as an interactive command.
7995 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7996 cps->useSigint = FALSE;
7997 cps->useSigterm = FALSE;
7999 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8000 ParseFeatures(message+8, cps);
8001 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8004 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8005 int dummy, s=6; char buf[MSG_SIZ];
8006 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8007 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8008 ParseFEN(boards[0], &dummy, message+s);
8009 DrawPosition(TRUE, boards[0]);
8010 startedFromSetupPosition = TRUE;
8013 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8014 * want this, I was asked to put it in, and obliged.
8016 if (!strncmp(message, "setboard ", 9)) {
8017 Board initial_position;
8019 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8021 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8022 DisplayError(_("Bad FEN received from engine"), 0);
8026 CopyBoard(boards[0], initial_position);
8027 initialRulePlies = FENrulePlies;
8028 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8029 else gameMode = MachinePlaysBlack;
8030 DrawPosition(FALSE, boards[currentMove]);
8036 * Look for communication commands
8038 if (!strncmp(message, "telluser ", 9)) {
8039 if(message[9] == '\\' && message[10] == '\\')
8040 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8042 DisplayNote(message + 9);
8045 if (!strncmp(message, "tellusererror ", 14)) {
8047 if(message[14] == '\\' && message[15] == '\\')
8048 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8050 DisplayError(message + 14, 0);
8053 if (!strncmp(message, "tellopponent ", 13)) {
8054 if (appData.icsActive) {
8056 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8060 DisplayNote(message + 13);
8064 if (!strncmp(message, "tellothers ", 11)) {
8065 if (appData.icsActive) {
8067 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8073 if (!strncmp(message, "tellall ", 8)) {
8074 if (appData.icsActive) {
8076 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8080 DisplayNote(message + 8);
8084 if (strncmp(message, "warning", 7) == 0) {
8085 /* Undocumented feature, use tellusererror in new code */
8086 DisplayError(message, 0);
8089 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8090 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8091 strcat(realname, " query");
8092 AskQuestion(realname, buf2, buf1, cps->pr);
8095 /* Commands from the engine directly to ICS. We don't allow these to be
8096 * sent until we are logged on. Crafty kibitzes have been known to
8097 * interfere with the login process.
8100 if (!strncmp(message, "tellics ", 8)) {
8101 SendToICS(message + 8);
8105 if (!strncmp(message, "tellicsnoalias ", 15)) {
8106 SendToICS(ics_prefix);
8107 SendToICS(message + 15);
8111 /* The following are for backward compatibility only */
8112 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8113 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8114 SendToICS(ics_prefix);
8120 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8124 * If the move is illegal, cancel it and redraw the board.
8125 * Also deal with other error cases. Matching is rather loose
8126 * here to accommodate engines written before the spec.
8128 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8129 strncmp(message, "Error", 5) == 0) {
8130 if (StrStr(message, "name") ||
8131 StrStr(message, "rating") || StrStr(message, "?") ||
8132 StrStr(message, "result") || StrStr(message, "board") ||
8133 StrStr(message, "bk") || StrStr(message, "computer") ||
8134 StrStr(message, "variant") || StrStr(message, "hint") ||
8135 StrStr(message, "random") || StrStr(message, "depth") ||
8136 StrStr(message, "accepted")) {
8139 if (StrStr(message, "protover")) {
8140 /* Program is responding to input, so it's apparently done
8141 initializing, and this error message indicates it is
8142 protocol version 1. So we don't need to wait any longer
8143 for it to initialize and send feature commands. */
8144 FeatureDone(cps, 1);
8145 cps->protocolVersion = 1;
8148 cps->maybeThinking = FALSE;
8150 if (StrStr(message, "draw")) {
8151 /* Program doesn't have "draw" command */
8152 cps->sendDrawOffers = 0;
8155 if (cps->sendTime != 1 &&
8156 (StrStr(message, "time") || StrStr(message, "otim"))) {
8157 /* Program apparently doesn't have "time" or "otim" command */
8161 if (StrStr(message, "analyze")) {
8162 cps->analysisSupport = FALSE;
8163 cps->analyzing = FALSE;
8165 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8166 DisplayError(buf2, 0);
8169 if (StrStr(message, "(no matching move)st")) {
8170 /* Special kludge for GNU Chess 4 only */
8171 cps->stKludge = TRUE;
8172 SendTimeControl(cps, movesPerSession, timeControl,
8173 timeIncrement, appData.searchDepth,
8177 if (StrStr(message, "(no matching move)sd")) {
8178 /* Special kludge for GNU Chess 4 only */
8179 cps->sdKludge = TRUE;
8180 SendTimeControl(cps, movesPerSession, timeControl,
8181 timeIncrement, appData.searchDepth,
8185 if (!StrStr(message, "llegal")) {
8188 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8189 gameMode == IcsIdle) return;
8190 if (forwardMostMove <= backwardMostMove) return;
8191 if (pausing) PauseEvent();
8192 if(appData.forceIllegal) {
8193 // [HGM] illegal: machine refused move; force position after move into it
8194 SendToProgram("force\n", cps);
8195 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8196 // we have a real problem now, as SendBoard will use the a2a3 kludge
8197 // when black is to move, while there might be nothing on a2 or black
8198 // might already have the move. So send the board as if white has the move.
8199 // But first we must change the stm of the engine, as it refused the last move
8200 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8201 if(WhiteOnMove(forwardMostMove)) {
8202 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8203 SendBoard(cps, forwardMostMove); // kludgeless board
8205 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8206 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8207 SendBoard(cps, forwardMostMove+1); // kludgeless board
8209 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8210 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8211 gameMode == TwoMachinesPlay)
8212 SendToProgram("go\n", cps);
8215 if (gameMode == PlayFromGameFile) {
8216 /* Stop reading this game file */
8217 gameMode = EditGame;
8220 /* [HGM] illegal-move claim should forfeit game when Xboard */
8221 /* only passes fully legal moves */
8222 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8223 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8224 "False illegal-move claim", GE_XBOARD );
8225 return; // do not take back move we tested as valid
8227 currentMove = forwardMostMove-1;
8228 DisplayMove(currentMove-1); /* before DisplayMoveError */
8229 SwitchClocks(forwardMostMove-1); // [HGM] race
8230 DisplayBothClocks();
8231 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8232 parseList[currentMove], _(cps->which));
8233 DisplayMoveError(buf1);
8234 DrawPosition(FALSE, boards[currentMove]);
8237 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8238 /* Program has a broken "time" command that
8239 outputs a string not ending in newline.
8245 * If chess program startup fails, exit with an error message.
8246 * Attempts to recover here are futile.
8248 if ((StrStr(message, "unknown host") != NULL)
8249 || (StrStr(message, "No remote directory") != NULL)
8250 || (StrStr(message, "not found") != NULL)
8251 || (StrStr(message, "No such file") != NULL)
8252 || (StrStr(message, "can't alloc") != NULL)
8253 || (StrStr(message, "Permission denied") != NULL)) {
8255 cps->maybeThinking = FALSE;
8256 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8257 _(cps->which), cps->program, cps->host, message);
8258 RemoveInputSource(cps->isr);
8259 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8260 if(cps == &first) appData.noChessProgram = TRUE;
8261 DisplayError(buf1, 0);
8267 * Look for hint output
8269 if (sscanf(message, "Hint: %s", buf1) == 1) {
8270 if (cps == &first && hintRequested) {
8271 hintRequested = FALSE;
8272 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8273 &fromX, &fromY, &toX, &toY, &promoChar)) {
8274 (void) CoordsToAlgebraic(boards[forwardMostMove],
8275 PosFlags(forwardMostMove),
8276 fromY, fromX, toY, toX, promoChar, buf1);
8277 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8278 DisplayInformation(buf2);
8280 /* Hint move could not be parsed!? */
8281 snprintf(buf2, sizeof(buf2),
8282 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8283 buf1, _(cps->which));
8284 DisplayError(buf2, 0);
8287 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8293 * Ignore other messages if game is not in progress
8295 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8296 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8299 * look for win, lose, draw, or draw offer
8301 if (strncmp(message, "1-0", 3) == 0) {
8302 char *p, *q, *r = "";
8303 p = strchr(message, '{');
8311 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8313 } else if (strncmp(message, "0-1", 3) == 0) {
8314 char *p, *q, *r = "";
8315 p = strchr(message, '{');
8323 /* Kludge for Arasan 4.1 bug */
8324 if (strcmp(r, "Black resigns") == 0) {
8325 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8328 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8330 } else if (strncmp(message, "1/2", 3) == 0) {
8331 char *p, *q, *r = "";
8332 p = strchr(message, '{');
8341 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8344 } else if (strncmp(message, "White resign", 12) == 0) {
8345 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8347 } else if (strncmp(message, "Black resign", 12) == 0) {
8348 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8350 } else if (strncmp(message, "White matches", 13) == 0 ||
8351 strncmp(message, "Black matches", 13) == 0 ) {
8352 /* [HGM] ignore GNUShogi noises */
8354 } else if (strncmp(message, "White", 5) == 0 &&
8355 message[5] != '(' &&
8356 StrStr(message, "Black") == NULL) {
8357 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8359 } else if (strncmp(message, "Black", 5) == 0 &&
8360 message[5] != '(') {
8361 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8363 } else if (strcmp(message, "resign") == 0 ||
8364 strcmp(message, "computer resigns") == 0) {
8366 case MachinePlaysBlack:
8367 case IcsPlayingBlack:
8368 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8370 case MachinePlaysWhite:
8371 case IcsPlayingWhite:
8372 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8374 case TwoMachinesPlay:
8375 if (cps->twoMachinesColor[0] == 'w')
8376 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8378 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8385 } else if (strncmp(message, "opponent mates", 14) == 0) {
8387 case MachinePlaysBlack:
8388 case IcsPlayingBlack:
8389 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8391 case MachinePlaysWhite:
8392 case IcsPlayingWhite:
8393 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8395 case TwoMachinesPlay:
8396 if (cps->twoMachinesColor[0] == 'w')
8397 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8399 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8406 } else if (strncmp(message, "computer mates", 14) == 0) {
8408 case MachinePlaysBlack:
8409 case IcsPlayingBlack:
8410 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8412 case MachinePlaysWhite:
8413 case IcsPlayingWhite:
8414 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8416 case TwoMachinesPlay:
8417 if (cps->twoMachinesColor[0] == 'w')
8418 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8420 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8427 } else if (strncmp(message, "checkmate", 9) == 0) {
8428 if (WhiteOnMove(forwardMostMove)) {
8429 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8431 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8434 } else if (strstr(message, "Draw") != NULL ||
8435 strstr(message, "game is a draw") != NULL) {
8436 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8438 } else if (strstr(message, "offer") != NULL &&
8439 strstr(message, "draw") != NULL) {
8441 if (appData.zippyPlay && first.initDone) {
8442 /* Relay offer to ICS */
8443 SendToICS(ics_prefix);
8444 SendToICS("draw\n");
8447 cps->offeredDraw = 2; /* valid until this engine moves twice */
8448 if (gameMode == TwoMachinesPlay) {
8449 if (cps->other->offeredDraw) {
8450 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8451 /* [HGM] in two-machine mode we delay relaying draw offer */
8452 /* until after we also have move, to see if it is really claim */
8454 } else if (gameMode == MachinePlaysWhite ||
8455 gameMode == MachinePlaysBlack) {
8456 if (userOfferedDraw) {
8457 DisplayInformation(_("Machine accepts your draw offer"));
8458 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8460 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8467 * Look for thinking output
8469 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8470 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8472 int plylev, mvleft, mvtot, curscore, time;
8473 char mvname[MOVE_LEN];
8477 int prefixHint = FALSE;
8478 mvname[0] = NULLCHAR;
8481 case MachinePlaysBlack:
8482 case IcsPlayingBlack:
8483 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8485 case MachinePlaysWhite:
8486 case IcsPlayingWhite:
8487 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8492 case IcsObserving: /* [DM] icsEngineAnalyze */
8493 if (!appData.icsEngineAnalyze) ignore = TRUE;
8495 case TwoMachinesPlay:
8496 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8506 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8508 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8509 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8511 if (plyext != ' ' && plyext != '\t') {
8515 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8516 if( cps->scoreIsAbsolute &&
8517 ( gameMode == MachinePlaysBlack ||
8518 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8519 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8520 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8521 !WhiteOnMove(currentMove)
8524 curscore = -curscore;
8528 tempStats.depth = plylev;
8529 tempStats.nodes = nodes;
8530 tempStats.time = time;
8531 tempStats.score = curscore;
8532 tempStats.got_only_move = 0;
8534 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8537 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8538 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8539 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8540 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8541 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8542 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8543 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8544 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8547 /* Buffer overflow protection */
8548 if (buf1[0] != NULLCHAR) {
8549 if (strlen(buf1) >= sizeof(tempStats.movelist)
8550 && appData.debugMode) {
8552 "PV is too long; using the first %u bytes.\n",
8553 (unsigned) sizeof(tempStats.movelist) - 1);
8556 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8558 sprintf(tempStats.movelist, " no PV\n");
8561 if (tempStats.seen_stat) {
8562 tempStats.ok_to_send = 1;
8565 if (strchr(tempStats.movelist, '(') != NULL) {
8566 tempStats.line_is_book = 1;
8567 tempStats.nr_moves = 0;
8568 tempStats.moves_left = 0;
8570 tempStats.line_is_book = 0;
8573 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8574 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8576 SendProgramStatsToFrontend( cps, &tempStats );
8579 [AS] Protect the thinkOutput buffer from overflow... this
8580 is only useful if buf1 hasn't overflowed first!
8582 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8584 (gameMode == TwoMachinesPlay ?
8585 ToUpper(cps->twoMachinesColor[0]) : ' '),
8586 ((double) curscore) / 100.0,
8587 prefixHint ? lastHint : "",
8588 prefixHint ? " " : "" );
8590 if( buf1[0] != NULLCHAR ) {
8591 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8593 if( strlen(buf1) > max_len ) {
8594 if( appData.debugMode) {
8595 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8597 buf1[max_len+1] = '\0';
8600 strcat( thinkOutput, buf1 );
8603 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8604 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8605 DisplayMove(currentMove - 1);
8609 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8610 /* crafty (9.25+) says "(only move) <move>"
8611 * if there is only 1 legal move
8613 sscanf(p, "(only move) %s", buf1);
8614 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8615 sprintf(programStats.movelist, "%s (only move)", buf1);
8616 programStats.depth = 1;
8617 programStats.nr_moves = 1;
8618 programStats.moves_left = 1;
8619 programStats.nodes = 1;
8620 programStats.time = 1;
8621 programStats.got_only_move = 1;
8623 /* Not really, but we also use this member to
8624 mean "line isn't going to change" (Crafty
8625 isn't searching, so stats won't change) */
8626 programStats.line_is_book = 1;
8628 SendProgramStatsToFrontend( cps, &programStats );
8630 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8631 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8632 DisplayMove(currentMove - 1);
8635 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8636 &time, &nodes, &plylev, &mvleft,
8637 &mvtot, mvname) >= 5) {
8638 /* The stat01: line is from Crafty (9.29+) in response
8639 to the "." command */
8640 programStats.seen_stat = 1;
8641 cps->maybeThinking = TRUE;
8643 if (programStats.got_only_move || !appData.periodicUpdates)
8646 programStats.depth = plylev;
8647 programStats.time = time;
8648 programStats.nodes = nodes;
8649 programStats.moves_left = mvleft;
8650 programStats.nr_moves = mvtot;
8651 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8652 programStats.ok_to_send = 1;
8653 programStats.movelist[0] = '\0';
8655 SendProgramStatsToFrontend( cps, &programStats );
8659 } else if (strncmp(message,"++",2) == 0) {
8660 /* Crafty 9.29+ outputs this */
8661 programStats.got_fail = 2;
8664 } else if (strncmp(message,"--",2) == 0) {
8665 /* Crafty 9.29+ outputs this */
8666 programStats.got_fail = 1;
8669 } else if (thinkOutput[0] != NULLCHAR &&
8670 strncmp(message, " ", 4) == 0) {
8671 unsigned message_len;
8674 while (*p && *p == ' ') p++;
8676 message_len = strlen( p );
8678 /* [AS] Avoid buffer overflow */
8679 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8680 strcat(thinkOutput, " ");
8681 strcat(thinkOutput, p);
8684 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8685 strcat(programStats.movelist, " ");
8686 strcat(programStats.movelist, p);
8689 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8690 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8691 DisplayMove(currentMove - 1);
8699 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8700 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8702 ChessProgramStats cpstats;
8704 if (plyext != ' ' && plyext != '\t') {
8708 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8709 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8710 curscore = -curscore;
8713 cpstats.depth = plylev;
8714 cpstats.nodes = nodes;
8715 cpstats.time = time;
8716 cpstats.score = curscore;
8717 cpstats.got_only_move = 0;
8718 cpstats.movelist[0] = '\0';
8720 if (buf1[0] != NULLCHAR) {
8721 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8724 cpstats.ok_to_send = 0;
8725 cpstats.line_is_book = 0;
8726 cpstats.nr_moves = 0;
8727 cpstats.moves_left = 0;
8729 SendProgramStatsToFrontend( cps, &cpstats );
8736 /* Parse a game score from the character string "game", and
8737 record it as the history of the current game. The game
8738 score is NOT assumed to start from the standard position.
8739 The display is not updated in any way.
8742 ParseGameHistory(game)
8746 int fromX, fromY, toX, toY, boardIndex;
8751 if (appData.debugMode)
8752 fprintf(debugFP, "Parsing game history: %s\n", game);
8754 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8755 gameInfo.site = StrSave(appData.icsHost);
8756 gameInfo.date = PGNDate();
8757 gameInfo.round = StrSave("-");
8759 /* Parse out names of players */
8760 while (*game == ' ') game++;
8762 while (*game != ' ') *p++ = *game++;
8764 gameInfo.white = StrSave(buf);
8765 while (*game == ' ') game++;
8767 while (*game != ' ' && *game != '\n') *p++ = *game++;
8769 gameInfo.black = StrSave(buf);
8772 boardIndex = blackPlaysFirst ? 1 : 0;
8775 yyboardindex = boardIndex;
8776 moveType = (ChessMove) Myylex();
8778 case IllegalMove: /* maybe suicide chess, etc. */
8779 if (appData.debugMode) {
8780 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8781 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8782 setbuf(debugFP, NULL);
8784 case WhitePromotion:
8785 case BlackPromotion:
8786 case WhiteNonPromotion:
8787 case BlackNonPromotion:
8789 case WhiteCapturesEnPassant:
8790 case BlackCapturesEnPassant:
8791 case WhiteKingSideCastle:
8792 case WhiteQueenSideCastle:
8793 case BlackKingSideCastle:
8794 case BlackQueenSideCastle:
8795 case WhiteKingSideCastleWild:
8796 case WhiteQueenSideCastleWild:
8797 case BlackKingSideCastleWild:
8798 case BlackQueenSideCastleWild:
8800 case WhiteHSideCastleFR:
8801 case WhiteASideCastleFR:
8802 case BlackHSideCastleFR:
8803 case BlackASideCastleFR:
8805 fromX = currentMoveString[0] - AAA;
8806 fromY = currentMoveString[1] - ONE;
8807 toX = currentMoveString[2] - AAA;
8808 toY = currentMoveString[3] - ONE;
8809 promoChar = currentMoveString[4];
8813 fromX = moveType == WhiteDrop ?
8814 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8815 (int) CharToPiece(ToLower(currentMoveString[0]));
8817 toX = currentMoveString[2] - AAA;
8818 toY = currentMoveString[3] - ONE;
8819 promoChar = NULLCHAR;
8823 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8824 if (appData.debugMode) {
8825 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8826 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8827 setbuf(debugFP, NULL);
8829 DisplayError(buf, 0);
8831 case ImpossibleMove:
8833 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8834 if (appData.debugMode) {
8835 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8836 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8837 setbuf(debugFP, NULL);
8839 DisplayError(buf, 0);
8842 if (boardIndex < backwardMostMove) {
8843 /* Oops, gap. How did that happen? */
8844 DisplayError(_("Gap in move list"), 0);
8847 backwardMostMove = blackPlaysFirst ? 1 : 0;
8848 if (boardIndex > forwardMostMove) {
8849 forwardMostMove = boardIndex;
8853 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8854 strcat(parseList[boardIndex-1], " ");
8855 strcat(parseList[boardIndex-1], yy_text);
8867 case GameUnfinished:
8868 if (gameMode == IcsExamining) {
8869 if (boardIndex < backwardMostMove) {
8870 /* Oops, gap. How did that happen? */
8873 backwardMostMove = blackPlaysFirst ? 1 : 0;
8876 gameInfo.result = moveType;
8877 p = strchr(yy_text, '{');
8878 if (p == NULL) p = strchr(yy_text, '(');
8881 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8883 q = strchr(p, *p == '{' ? '}' : ')');
8884 if (q != NULL) *q = NULLCHAR;
8887 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8888 gameInfo.resultDetails = StrSave(p);
8891 if (boardIndex >= forwardMostMove &&
8892 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8893 backwardMostMove = blackPlaysFirst ? 1 : 0;
8896 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8897 fromY, fromX, toY, toX, promoChar,
8898 parseList[boardIndex]);
8899 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8900 /* currentMoveString is set as a side-effect of yylex */
8901 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8902 strcat(moveList[boardIndex], "\n");
8904 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8905 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8911 if(gameInfo.variant != VariantShogi)
8912 strcat(parseList[boardIndex - 1], "+");
8916 strcat(parseList[boardIndex - 1], "#");
8923 /* Apply a move to the given board */
8925 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8926 int fromX, fromY, toX, toY;
8930 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8931 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8933 /* [HGM] compute & store e.p. status and castling rights for new position */
8934 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8936 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8937 oldEP = (signed char)board[EP_STATUS];
8938 board[EP_STATUS] = EP_NONE;
8940 if( board[toY][toX] != EmptySquare )
8941 board[EP_STATUS] = EP_CAPTURE;
8943 if (fromY == DROP_RANK) {
8945 piece = board[toY][toX] = (ChessSquare) fromX;
8949 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8950 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8951 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8953 if( board[fromY][fromX] == WhitePawn ) {
8954 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8955 board[EP_STATUS] = EP_PAWN_MOVE;
8957 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8958 gameInfo.variant != VariantBerolina || toX < fromX)
8959 board[EP_STATUS] = toX | berolina;
8960 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8961 gameInfo.variant != VariantBerolina || toX > fromX)
8962 board[EP_STATUS] = toX;
8965 if( board[fromY][fromX] == BlackPawn ) {
8966 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8967 board[EP_STATUS] = EP_PAWN_MOVE;
8968 if( toY-fromY== -2) {
8969 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8970 gameInfo.variant != VariantBerolina || toX < fromX)
8971 board[EP_STATUS] = toX | berolina;
8972 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8973 gameInfo.variant != VariantBerolina || toX > fromX)
8974 board[EP_STATUS] = toX;
8978 for(i=0; i<nrCastlingRights; i++) {
8979 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8980 board[CASTLING][i] == toX && castlingRank[i] == toY
8981 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8984 if (fromX == toX && fromY == toY) return;
8986 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8987 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8988 if(gameInfo.variant == VariantKnightmate)
8989 king += (int) WhiteUnicorn - (int) WhiteKing;
8991 /* Code added by Tord: */
8992 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8993 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8994 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8995 board[fromY][fromX] = EmptySquare;
8996 board[toY][toX] = EmptySquare;
8997 if((toX > fromX) != (piece == WhiteRook)) {
8998 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9000 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9002 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9003 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9004 board[fromY][fromX] = EmptySquare;
9005 board[toY][toX] = EmptySquare;
9006 if((toX > fromX) != (piece == BlackRook)) {
9007 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9009 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9011 /* End of code added by Tord */
9013 } else if (board[fromY][fromX] == king
9014 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9015 && toY == fromY && toX > fromX+1) {
9016 board[fromY][fromX] = EmptySquare;
9017 board[toY][toX] = king;
9018 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9019 board[fromY][BOARD_RGHT-1] = EmptySquare;
9020 } else if (board[fromY][fromX] == king
9021 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9022 && toY == fromY && toX < fromX-1) {
9023 board[fromY][fromX] = EmptySquare;
9024 board[toY][toX] = king;
9025 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9026 board[fromY][BOARD_LEFT] = EmptySquare;
9027 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9028 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9029 && toY >= BOARD_HEIGHT-promoRank
9031 /* white pawn promotion */
9032 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9033 if (board[toY][toX] == EmptySquare) {
9034 board[toY][toX] = WhiteQueen;
9036 if(gameInfo.variant==VariantBughouse ||
9037 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9038 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9039 board[fromY][fromX] = EmptySquare;
9040 } else if ((fromY == BOARD_HEIGHT-4)
9042 && gameInfo.variant != VariantXiangqi
9043 && gameInfo.variant != VariantBerolina
9044 && (board[fromY][fromX] == WhitePawn)
9045 && (board[toY][toX] == EmptySquare)) {
9046 board[fromY][fromX] = EmptySquare;
9047 board[toY][toX] = WhitePawn;
9048 captured = board[toY - 1][toX];
9049 board[toY - 1][toX] = EmptySquare;
9050 } else if ((fromY == BOARD_HEIGHT-4)
9052 && gameInfo.variant == VariantBerolina
9053 && (board[fromY][fromX] == WhitePawn)
9054 && (board[toY][toX] == EmptySquare)) {
9055 board[fromY][fromX] = EmptySquare;
9056 board[toY][toX] = WhitePawn;
9057 if(oldEP & EP_BEROLIN_A) {
9058 captured = board[fromY][fromX-1];
9059 board[fromY][fromX-1] = EmptySquare;
9060 }else{ captured = board[fromY][fromX+1];
9061 board[fromY][fromX+1] = EmptySquare;
9063 } else if (board[fromY][fromX] == king
9064 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9065 && toY == fromY && toX > fromX+1) {
9066 board[fromY][fromX] = EmptySquare;
9067 board[toY][toX] = king;
9068 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9069 board[fromY][BOARD_RGHT-1] = EmptySquare;
9070 } else if (board[fromY][fromX] == king
9071 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9072 && toY == fromY && toX < fromX-1) {
9073 board[fromY][fromX] = EmptySquare;
9074 board[toY][toX] = king;
9075 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9076 board[fromY][BOARD_LEFT] = EmptySquare;
9077 } else if (fromY == 7 && fromX == 3
9078 && board[fromY][fromX] == BlackKing
9079 && toY == 7 && toX == 5) {
9080 board[fromY][fromX] = EmptySquare;
9081 board[toY][toX] = BlackKing;
9082 board[fromY][7] = EmptySquare;
9083 board[toY][4] = BlackRook;
9084 } else if (fromY == 7 && fromX == 3
9085 && board[fromY][fromX] == BlackKing
9086 && toY == 7 && toX == 1) {
9087 board[fromY][fromX] = EmptySquare;
9088 board[toY][toX] = BlackKing;
9089 board[fromY][0] = EmptySquare;
9090 board[toY][2] = BlackRook;
9091 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9092 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9095 /* black pawn promotion */
9096 board[toY][toX] = CharToPiece(ToLower(promoChar));
9097 if (board[toY][toX] == EmptySquare) {
9098 board[toY][toX] = BlackQueen;
9100 if(gameInfo.variant==VariantBughouse ||
9101 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9102 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9103 board[fromY][fromX] = EmptySquare;
9104 } else if ((fromY == 3)
9106 && gameInfo.variant != VariantXiangqi
9107 && gameInfo.variant != VariantBerolina
9108 && (board[fromY][fromX] == BlackPawn)
9109 && (board[toY][toX] == EmptySquare)) {
9110 board[fromY][fromX] = EmptySquare;
9111 board[toY][toX] = BlackPawn;
9112 captured = board[toY + 1][toX];
9113 board[toY + 1][toX] = EmptySquare;
9114 } else if ((fromY == 3)
9116 && gameInfo.variant == VariantBerolina
9117 && (board[fromY][fromX] == BlackPawn)
9118 && (board[toY][toX] == EmptySquare)) {
9119 board[fromY][fromX] = EmptySquare;
9120 board[toY][toX] = BlackPawn;
9121 if(oldEP & EP_BEROLIN_A) {
9122 captured = board[fromY][fromX-1];
9123 board[fromY][fromX-1] = EmptySquare;
9124 }else{ captured = board[fromY][fromX+1];
9125 board[fromY][fromX+1] = EmptySquare;
9128 board[toY][toX] = board[fromY][fromX];
9129 board[fromY][fromX] = EmptySquare;
9133 if (gameInfo.holdingsWidth != 0) {
9135 /* !!A lot more code needs to be written to support holdings */
9136 /* [HGM] OK, so I have written it. Holdings are stored in the */
9137 /* penultimate board files, so they are automaticlly stored */
9138 /* in the game history. */
9139 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9140 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9141 /* Delete from holdings, by decreasing count */
9142 /* and erasing image if necessary */
9143 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9144 if(p < (int) BlackPawn) { /* white drop */
9145 p -= (int)WhitePawn;
9146 p = PieceToNumber((ChessSquare)p);
9147 if(p >= gameInfo.holdingsSize) p = 0;
9148 if(--board[p][BOARD_WIDTH-2] <= 0)
9149 board[p][BOARD_WIDTH-1] = EmptySquare;
9150 if((int)board[p][BOARD_WIDTH-2] < 0)
9151 board[p][BOARD_WIDTH-2] = 0;
9152 } else { /* black drop */
9153 p -= (int)BlackPawn;
9154 p = PieceToNumber((ChessSquare)p);
9155 if(p >= gameInfo.holdingsSize) p = 0;
9156 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9157 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9158 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9159 board[BOARD_HEIGHT-1-p][1] = 0;
9162 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9163 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9164 /* [HGM] holdings: Add to holdings, if holdings exist */
9165 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
9166 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9167 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9170 if (p >= (int) BlackPawn) {
9171 p -= (int)BlackPawn;
9172 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9173 /* in Shogi restore piece to its original first */
9174 captured = (ChessSquare) (DEMOTED captured);
9177 p = PieceToNumber((ChessSquare)p);
9178 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9179 board[p][BOARD_WIDTH-2]++;
9180 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9182 p -= (int)WhitePawn;
9183 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9184 captured = (ChessSquare) (DEMOTED captured);
9187 p = PieceToNumber((ChessSquare)p);
9188 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9189 board[BOARD_HEIGHT-1-p][1]++;
9190 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9193 } else if (gameInfo.variant == VariantAtomic) {
9194 if (captured != EmptySquare) {
9196 for (y = toY-1; y <= toY+1; y++) {
9197 for (x = toX-1; x <= toX+1; x++) {
9198 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9199 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9200 board[y][x] = EmptySquare;
9204 board[toY][toX] = EmptySquare;
9207 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9208 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9210 if(promoChar == '+') {
9211 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9212 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9213 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9214 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9216 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9217 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9218 // [HGM] superchess: take promotion piece out of holdings
9219 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9220 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9221 if(!--board[k][BOARD_WIDTH-2])
9222 board[k][BOARD_WIDTH-1] = EmptySquare;
9224 if(!--board[BOARD_HEIGHT-1-k][1])
9225 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9231 /* Updates forwardMostMove */
9233 MakeMove(fromX, fromY, toX, toY, promoChar)
9234 int fromX, fromY, toX, toY;
9237 // forwardMostMove++; // [HGM] bare: moved downstream
9239 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9240 int timeLeft; static int lastLoadFlag=0; int king, piece;
9241 piece = boards[forwardMostMove][fromY][fromX];
9242 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9243 if(gameInfo.variant == VariantKnightmate)
9244 king += (int) WhiteUnicorn - (int) WhiteKing;
9245 if(forwardMostMove == 0) {
9247 fprintf(serverMoves, "%s;", second.tidy);
9248 fprintf(serverMoves, "%s;", first.tidy);
9249 if(!blackPlaysFirst)
9250 fprintf(serverMoves, "%s;", second.tidy);
9251 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9252 lastLoadFlag = loadFlag;
9254 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9255 // print castling suffix
9256 if( toY == fromY && piece == king ) {
9258 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9260 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9263 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9264 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9265 boards[forwardMostMove][toY][toX] == EmptySquare
9266 && fromX != toX && fromY != toY)
9267 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9269 if(promoChar != NULLCHAR)
9270 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9272 fprintf(serverMoves, "/%d/%d",
9273 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9274 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9275 else timeLeft = blackTimeRemaining/1000;
9276 fprintf(serverMoves, "/%d", timeLeft);
9278 fflush(serverMoves);
9281 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9282 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9286 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9287 if (commentList[forwardMostMove+1] != NULL) {
9288 free(commentList[forwardMostMove+1]);
9289 commentList[forwardMostMove+1] = NULL;
9291 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9292 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9293 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9294 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9295 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9296 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9297 gameInfo.result = GameUnfinished;
9298 if (gameInfo.resultDetails != NULL) {
9299 free(gameInfo.resultDetails);
9300 gameInfo.resultDetails = NULL;
9302 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9303 moveList[forwardMostMove - 1]);
9304 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9305 PosFlags(forwardMostMove - 1),
9306 fromY, fromX, toY, toX, promoChar,
9307 parseList[forwardMostMove - 1]);
9308 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9314 if(gameInfo.variant != VariantShogi)
9315 strcat(parseList[forwardMostMove - 1], "+");
9319 strcat(parseList[forwardMostMove - 1], "#");
9322 if (appData.debugMode) {
9323 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9328 /* Updates currentMove if not pausing */
9330 ShowMove(fromX, fromY, toX, toY)
9332 int instant = (gameMode == PlayFromGameFile) ?
9333 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9334 if(appData.noGUI) return;
9335 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9337 if (forwardMostMove == currentMove + 1) {
9338 AnimateMove(boards[forwardMostMove - 1],
9339 fromX, fromY, toX, toY);
9341 if (appData.highlightLastMove) {
9342 SetHighlights(fromX, fromY, toX, toY);
9345 currentMove = forwardMostMove;
9348 if (instant) return;
9350 DisplayMove(currentMove - 1);
9351 DrawPosition(FALSE, boards[currentMove]);
9352 DisplayBothClocks();
9353 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9354 DisplayBook(currentMove);
9357 void SendEgtPath(ChessProgramState *cps)
9358 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9359 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9361 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9364 char c, *q = name+1, *r, *s;
9366 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9367 while(*p && *p != ',') *q++ = *p++;
9369 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9370 strcmp(name, ",nalimov:") == 0 ) {
9371 // take nalimov path from the menu-changeable option first, if it is defined
9372 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9373 SendToProgram(buf,cps); // send egtbpath command for nalimov
9375 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9376 (s = StrStr(appData.egtFormats, name)) != NULL) {
9377 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9378 s = r = StrStr(s, ":") + 1; // beginning of path info
9379 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9380 c = *r; *r = 0; // temporarily null-terminate path info
9381 *--q = 0; // strip of trailig ':' from name
9382 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9384 SendToProgram(buf,cps); // send egtbpath command for this format
9386 if(*p == ',') p++; // read away comma to position for next format name
9391 InitChessProgram(cps, setup)
9392 ChessProgramState *cps;
9393 int setup; /* [HGM] needed to setup FRC opening position */
9395 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9396 if (appData.noChessProgram) return;
9397 hintRequested = FALSE;
9398 bookRequested = FALSE;
9400 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9401 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9402 if(cps->memSize) { /* [HGM] memory */
9403 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9404 SendToProgram(buf, cps);
9406 SendEgtPath(cps); /* [HGM] EGT */
9407 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9408 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9409 SendToProgram(buf, cps);
9412 SendToProgram(cps->initString, cps);
9413 if (gameInfo.variant != VariantNormal &&
9414 gameInfo.variant != VariantLoadable
9415 /* [HGM] also send variant if board size non-standard */
9416 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9418 char *v = VariantName(gameInfo.variant);
9419 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9420 /* [HGM] in protocol 1 we have to assume all variants valid */
9421 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9422 DisplayFatalError(buf, 0, 1);
9426 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9427 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9428 if( gameInfo.variant == VariantXiangqi )
9429 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9430 if( gameInfo.variant == VariantShogi )
9431 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9432 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9433 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9434 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9435 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9436 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9437 if( gameInfo.variant == VariantCourier )
9438 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9439 if( gameInfo.variant == VariantSuper )
9440 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9441 if( gameInfo.variant == VariantGreat )
9442 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9443 if( gameInfo.variant == VariantSChess )
9444 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9447 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9448 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9449 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9450 if(StrStr(cps->variants, b) == NULL) {
9451 // specific sized variant not known, check if general sizing allowed
9452 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9453 if(StrStr(cps->variants, "boardsize") == NULL) {
9454 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9455 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9456 DisplayFatalError(buf, 0, 1);
9459 /* [HGM] here we really should compare with the maximum supported board size */
9462 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9463 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9464 SendToProgram(buf, cps);
9466 currentlyInitializedVariant = gameInfo.variant;
9468 /* [HGM] send opening position in FRC to first engine */
9470 SendToProgram("force\n", cps);
9472 /* engine is now in force mode! Set flag to wake it up after first move. */
9473 setboardSpoiledMachineBlack = 1;
9477 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9478 SendToProgram(buf, cps);
9480 cps->maybeThinking = FALSE;
9481 cps->offeredDraw = 0;
9482 if (!appData.icsActive) {
9483 SendTimeControl(cps, movesPerSession, timeControl,
9484 timeIncrement, appData.searchDepth,
9487 if (appData.showThinking
9488 // [HGM] thinking: four options require thinking output to be sent
9489 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9491 SendToProgram("post\n", cps);
9493 SendToProgram("hard\n", cps);
9494 if (!appData.ponderNextMove) {
9495 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9496 it without being sure what state we are in first. "hard"
9497 is not a toggle, so that one is OK.
9499 SendToProgram("easy\n", cps);
9502 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9503 SendToProgram(buf, cps);
9505 cps->initDone = TRUE;
9506 ClearEngineOutputPane(cps == &second);
9511 StartChessProgram(cps)
9512 ChessProgramState *cps;
9517 if (appData.noChessProgram) return;
9518 cps->initDone = FALSE;
9520 if (strcmp(cps->host, "localhost") == 0) {
9521 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9522 } else if (*appData.remoteShell == NULLCHAR) {
9523 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9525 if (*appData.remoteUser == NULLCHAR) {
9526 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9529 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9530 cps->host, appData.remoteUser, cps->program);
9532 err = StartChildProcess(buf, "", &cps->pr);
9536 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9537 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9538 if(cps != &first) return;
9539 appData.noChessProgram = TRUE;
9542 // DisplayFatalError(buf, err, 1);
9543 // cps->pr = NoProc;
9548 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9549 if (cps->protocolVersion > 1) {
9550 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9551 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9552 cps->comboCnt = 0; // and values of combo boxes
9553 SendToProgram(buf, cps);
9555 SendToProgram("xboard\n", cps);
9560 TwoMachinesEventIfReady P((void))
9562 static int curMess = 0;
9563 if (first.lastPing != first.lastPong) {
9564 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9565 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9568 if (second.lastPing != second.lastPong) {
9569 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9570 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9573 DisplayMessage("", ""); curMess = 0;
9579 MakeName(char *template)
9583 static char buf[MSG_SIZ];
9587 clock = time((time_t *)NULL);
9588 tm = localtime(&clock);
9590 while(*p++ = *template++) if(p[-1] == '%') {
9591 switch(*template++) {
9592 case 0: *p = 0; return buf;
9593 case 'Y': i = tm->tm_year+1900; break;
9594 case 'y': i = tm->tm_year-100; break;
9595 case 'M': i = tm->tm_mon+1; break;
9596 case 'd': i = tm->tm_mday; break;
9597 case 'h': i = tm->tm_hour; break;
9598 case 'm': i = tm->tm_min; break;
9599 case 's': i = tm->tm_sec; break;
9602 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9608 CountPlayers(char *p)
9611 while(p = strchr(p, '\n')) p++, n++; // count participants
9616 WriteTourneyFile(char *results)
9617 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9618 FILE *f = fopen(appData.tourneyFile, "w");
9619 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9620 // create a file with tournament description
9621 fprintf(f, "-participants {%s}\n", appData.participants);
9622 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9623 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9624 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9625 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9626 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9627 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9628 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9629 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9630 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9631 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9632 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9634 fprintf(f, "-searchTime \"%s\"\n", appData.searchTime);
9636 fprintf(f, "-mps %d\n", appData.movesPerSession);
9637 fprintf(f, "-tc %s\n", appData.timeControl);
9638 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9640 fprintf(f, "-results \"%s\"\n", results);
9646 CreateTourney(char *name)
9649 if(name[0] == NULLCHAR) {
9650 if(appData.participants[0])
9651 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9654 f = fopen(name, "r");
9655 if(f) { // file exists
9656 ASSIGN(appData.tourneyFile, name);
9657 ParseArgsFromFile(f); // parse it
9659 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9660 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9661 DisplayError(_("Not enough participants"), 0);
9664 ASSIGN(appData.tourneyFile, name);
9665 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9666 if((f = WriteTourneyFile("")) == NULL) return 0;
9669 appData.noChessProgram = FALSE;
9670 appData.clockMode = TRUE;
9675 #define MAXENGINES 1000
9676 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9678 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9680 char buf[MSG_SIZ], *p, *q;
9684 while(*p && *p != '\n') *q++ = *p++;
9686 if(engineList[i]) free(engineList[i]);
9687 engineList[i] = strdup(buf);
9689 TidyProgramName(engineList[i], "localhost", buf);
9690 if(engineMnemonic[i]) free(engineMnemonic[i]);
9691 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9693 sscanf(q + 8, "%s", buf + strlen(buf));
9696 engineMnemonic[i] = strdup(buf);
9698 if(i > MAXENGINES - 2) break;
9700 engineList[i] = NULL;
9703 // following implemented as macro to avoid type limitations
9704 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9706 void SwapEngines(int n)
9707 { // swap settings for first engine and other engine (so far only some selected options)
9712 SWAP(chessProgram, p)
9714 SWAP(hasOwnBookUCI, h)
9715 SWAP(protocolVersion, h)
9717 SWAP(scoreIsAbsolute, h)
9724 SetPlayer(int player)
9725 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9727 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9728 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9729 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9730 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9732 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9733 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9734 ParseArgsFromString(buf);
9740 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9741 { // determine players from game number
9742 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9744 if(appData.tourneyType == 0) {
9745 roundsPerCycle = (nPlayers - 1) | 1;
9746 pairingsPerRound = nPlayers / 2;
9747 } else if(appData.tourneyType > 0) {
9748 roundsPerCycle = nPlayers - appData.tourneyType;
9749 pairingsPerRound = appData.tourneyType;
9751 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9752 gamesPerCycle = gamesPerRound * roundsPerCycle;
9753 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9754 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9755 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9756 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9757 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9758 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9760 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9761 if(appData.roundSync) *syncInterval = gamesPerRound;
9763 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9765 if(appData.tourneyType == 0) {
9766 if(curPairing == (nPlayers-1)/2 ) {
9767 *whitePlayer = curRound;
9768 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9770 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9771 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9772 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9773 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9775 } else if(appData.tourneyType > 0) {
9776 *whitePlayer = curPairing;
9777 *blackPlayer = curRound + appData.tourneyType;
9780 // take care of white/black alternation per round.
9781 // For cycles and games this is already taken care of by default, derived from matchGame!
9782 return curRound & 1;
9786 NextTourneyGame(int nr, int *swapColors)
9787 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9789 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9791 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9792 tf = fopen(appData.tourneyFile, "r");
9793 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9794 ParseArgsFromFile(tf); fclose(tf);
9795 InitTimeControls(); // TC might be altered from tourney file
9797 nPlayers = CountPlayers(appData.participants); // count participants
9798 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9799 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9802 p = q = appData.results;
9803 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9804 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9805 DisplayMessage(_("Waiting for other game(s)"),"");
9806 waitingForGame = TRUE;
9807 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9810 waitingForGame = FALSE;
9813 if(appData.tourneyType < 0) {
9814 if(nr>=0 && !pairingReceived) {
9816 if(pairing.pr == NoProc) {
9817 if(!appData.pairingEngine[0]) {
9818 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9821 StartChessProgram(&pairing); // starts the pairing engine
9823 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9824 SendToProgram(buf, &pairing);
9825 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9826 SendToProgram(buf, &pairing);
9827 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
9829 pairingReceived = 0; // ... so we continue here
9831 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
9832 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
9833 matchGame = 1; roundNr = nr / syncInterval + 1;
9836 if(first.pr != NoProc) return 1; // engines already loaded
9838 // redefine engines, engine dir, etc.
9839 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9840 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9842 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9843 SwapEngines(1); // and make that valid for second engine by swapping
9844 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9845 InitEngine(&second, 1);
9846 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9847 UpdateLogos(FALSE); // leave display to ModeHiglight()
9853 { // performs game initialization that does not invoke engines, and then tries to start the game
9854 int firstWhite, swapColors = 0;
9855 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9856 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9857 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9858 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9859 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9860 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9861 Reset(FALSE, first.pr != NoProc);
9862 appData.noChessProgram = FALSE;
9863 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9867 void UserAdjudicationEvent( int result )
9869 ChessMove gameResult = GameIsDrawn;
9872 gameResult = WhiteWins;
9874 else if( result < 0 ) {
9875 gameResult = BlackWins;
9878 if( gameMode == TwoMachinesPlay ) {
9879 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9884 // [HGM] save: calculate checksum of game to make games easily identifiable
9885 int StringCheckSum(char *s)
9888 if(s==NULL) return 0;
9889 while(*s) i = i*259 + *s++;
9896 for(i=backwardMostMove; i<forwardMostMove; i++) {
9897 sum += pvInfoList[i].depth;
9898 sum += StringCheckSum(parseList[i]);
9899 sum += StringCheckSum(commentList[i]);
9902 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9903 return sum + StringCheckSum(commentList[i]);
9904 } // end of save patch
9907 GameEnds(result, resultDetails, whosays)
9909 char *resultDetails;
9912 GameMode nextGameMode;
9914 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9916 if(endingGame) return; /* [HGM] crash: forbid recursion */
9918 if(twoBoards) { // [HGM] dual: switch back to one board
9919 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9920 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9922 if (appData.debugMode) {
9923 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9924 result, resultDetails ? resultDetails : "(null)", whosays);
9927 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9929 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9930 /* If we are playing on ICS, the server decides when the
9931 game is over, but the engine can offer to draw, claim
9935 if (appData.zippyPlay && first.initDone) {
9936 if (result == GameIsDrawn) {
9937 /* In case draw still needs to be claimed */
9938 SendToICS(ics_prefix);
9939 SendToICS("draw\n");
9940 } else if (StrCaseStr(resultDetails, "resign")) {
9941 SendToICS(ics_prefix);
9942 SendToICS("resign\n");
9946 endingGame = 0; /* [HGM] crash */
9950 /* If we're loading the game from a file, stop */
9951 if (whosays == GE_FILE) {
9952 (void) StopLoadGameTimer();
9956 /* Cancel draw offers */
9957 first.offeredDraw = second.offeredDraw = 0;
9959 /* If this is an ICS game, only ICS can really say it's done;
9960 if not, anyone can. */
9961 isIcsGame = (gameMode == IcsPlayingWhite ||
9962 gameMode == IcsPlayingBlack ||
9963 gameMode == IcsObserving ||
9964 gameMode == IcsExamining);
9966 if (!isIcsGame || whosays == GE_ICS) {
9967 /* OK -- not an ICS game, or ICS said it was done */
9969 if (!isIcsGame && !appData.noChessProgram)
9970 SetUserThinkingEnables();
9972 /* [HGM] if a machine claims the game end we verify this claim */
9973 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9974 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9976 ChessMove trueResult = (ChessMove) -1;
9978 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9979 first.twoMachinesColor[0] :
9980 second.twoMachinesColor[0] ;
9982 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9983 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9984 /* [HGM] verify: engine mate claims accepted if they were flagged */
9985 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9987 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9988 /* [HGM] verify: engine mate claims accepted if they were flagged */
9989 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9991 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9992 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9995 // now verify win claims, but not in drop games, as we don't understand those yet
9996 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9997 || gameInfo.variant == VariantGreat) &&
9998 (result == WhiteWins && claimer == 'w' ||
9999 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10000 if (appData.debugMode) {
10001 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10002 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10004 if(result != trueResult) {
10005 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10006 result = claimer == 'w' ? BlackWins : WhiteWins;
10007 resultDetails = buf;
10010 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10011 && (forwardMostMove <= backwardMostMove ||
10012 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10013 (claimer=='b')==(forwardMostMove&1))
10015 /* [HGM] verify: draws that were not flagged are false claims */
10016 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10017 result = claimer == 'w' ? BlackWins : WhiteWins;
10018 resultDetails = buf;
10020 /* (Claiming a loss is accepted no questions asked!) */
10022 /* [HGM] bare: don't allow bare King to win */
10023 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
10024 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10025 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10026 && result != GameIsDrawn)
10027 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10028 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10029 int p = (signed char)boards[forwardMostMove][i][j] - color;
10030 if(p >= 0 && p <= (int)WhiteKing) k++;
10032 if (appData.debugMode) {
10033 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10034 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10037 result = GameIsDrawn;
10038 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10039 resultDetails = buf;
10045 if(serverMoves != NULL && !loadFlag) { char c = '=';
10046 if(result==WhiteWins) c = '+';
10047 if(result==BlackWins) c = '-';
10048 if(resultDetails != NULL)
10049 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10051 if (resultDetails != NULL) {
10052 gameInfo.result = result;
10053 gameInfo.resultDetails = StrSave(resultDetails);
10055 /* display last move only if game was not loaded from file */
10056 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10057 DisplayMove(currentMove - 1);
10059 if (forwardMostMove != 0) {
10060 if (gameMode != PlayFromGameFile && gameMode != EditGame
10061 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10063 if (*appData.saveGameFile != NULLCHAR) {
10064 SaveGameToFile(appData.saveGameFile, TRUE);
10065 } else if (appData.autoSaveGames) {
10068 if (*appData.savePositionFile != NULLCHAR) {
10069 SavePositionToFile(appData.savePositionFile);
10074 /* Tell program how game ended in case it is learning */
10075 /* [HGM] Moved this to after saving the PGN, just in case */
10076 /* engine died and we got here through time loss. In that */
10077 /* case we will get a fatal error writing the pipe, which */
10078 /* would otherwise lose us the PGN. */
10079 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10080 /* output during GameEnds should never be fatal anymore */
10081 if (gameMode == MachinePlaysWhite ||
10082 gameMode == MachinePlaysBlack ||
10083 gameMode == TwoMachinesPlay ||
10084 gameMode == IcsPlayingWhite ||
10085 gameMode == IcsPlayingBlack ||
10086 gameMode == BeginningOfGame) {
10088 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10090 if (first.pr != NoProc) {
10091 SendToProgram(buf, &first);
10093 if (second.pr != NoProc &&
10094 gameMode == TwoMachinesPlay) {
10095 SendToProgram(buf, &second);
10100 if (appData.icsActive) {
10101 if (appData.quietPlay &&
10102 (gameMode == IcsPlayingWhite ||
10103 gameMode == IcsPlayingBlack)) {
10104 SendToICS(ics_prefix);
10105 SendToICS("set shout 1\n");
10107 nextGameMode = IcsIdle;
10108 ics_user_moved = FALSE;
10109 /* clean up premove. It's ugly when the game has ended and the
10110 * premove highlights are still on the board.
10113 gotPremove = FALSE;
10114 ClearPremoveHighlights();
10115 DrawPosition(FALSE, boards[currentMove]);
10117 if (whosays == GE_ICS) {
10120 if (gameMode == IcsPlayingWhite)
10122 else if(gameMode == IcsPlayingBlack)
10123 PlayIcsLossSound();
10126 if (gameMode == IcsPlayingBlack)
10128 else if(gameMode == IcsPlayingWhite)
10129 PlayIcsLossSound();
10132 PlayIcsDrawSound();
10135 PlayIcsUnfinishedSound();
10138 } else if (gameMode == EditGame ||
10139 gameMode == PlayFromGameFile ||
10140 gameMode == AnalyzeMode ||
10141 gameMode == AnalyzeFile) {
10142 nextGameMode = gameMode;
10144 nextGameMode = EndOfGame;
10149 nextGameMode = gameMode;
10152 if (appData.noChessProgram) {
10153 gameMode = nextGameMode;
10155 endingGame = 0; /* [HGM] crash */
10160 /* Put first chess program into idle state */
10161 if (first.pr != NoProc &&
10162 (gameMode == MachinePlaysWhite ||
10163 gameMode == MachinePlaysBlack ||
10164 gameMode == TwoMachinesPlay ||
10165 gameMode == IcsPlayingWhite ||
10166 gameMode == IcsPlayingBlack ||
10167 gameMode == BeginningOfGame)) {
10168 SendToProgram("force\n", &first);
10169 if (first.usePing) {
10171 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10172 SendToProgram(buf, &first);
10175 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10176 /* Kill off first chess program */
10177 if (first.isr != NULL)
10178 RemoveInputSource(first.isr);
10181 if (first.pr != NoProc) {
10183 DoSleep( appData.delayBeforeQuit );
10184 SendToProgram("quit\n", &first);
10185 DoSleep( appData.delayAfterQuit );
10186 DestroyChildProcess(first.pr, first.useSigterm);
10190 if (second.reuse) {
10191 /* Put second chess program into idle state */
10192 if (second.pr != NoProc &&
10193 gameMode == TwoMachinesPlay) {
10194 SendToProgram("force\n", &second);
10195 if (second.usePing) {
10197 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10198 SendToProgram(buf, &second);
10201 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10202 /* Kill off second chess program */
10203 if (second.isr != NULL)
10204 RemoveInputSource(second.isr);
10207 if (second.pr != NoProc) {
10208 DoSleep( appData.delayBeforeQuit );
10209 SendToProgram("quit\n", &second);
10210 DoSleep( appData.delayAfterQuit );
10211 DestroyChildProcess(second.pr, second.useSigterm);
10213 second.pr = NoProc;
10216 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10217 char resChar = '=';
10221 if (first.twoMachinesColor[0] == 'w') {
10224 second.matchWins++;
10229 if (first.twoMachinesColor[0] == 'b') {
10232 second.matchWins++;
10235 case GameUnfinished:
10241 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10242 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10243 ReserveGame(nextGame, resChar); // sets nextGame
10244 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10245 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10246 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10248 if (nextGame <= appData.matchGames && !abortMatch) {
10249 gameMode = nextGameMode;
10250 matchGame = nextGame; // this will be overruled in tourney mode!
10251 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10252 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10253 endingGame = 0; /* [HGM] crash */
10256 gameMode = nextGameMode;
10257 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10258 first.tidy, second.tidy,
10259 first.matchWins, second.matchWins,
10260 appData.matchGames - (first.matchWins + second.matchWins));
10261 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10262 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10263 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10264 first.twoMachinesColor = "black\n";
10265 second.twoMachinesColor = "white\n";
10267 first.twoMachinesColor = "white\n";
10268 second.twoMachinesColor = "black\n";
10272 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10273 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10275 gameMode = nextGameMode;
10277 endingGame = 0; /* [HGM] crash */
10278 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10279 if(matchMode == TRUE) { // match through command line: exit with or without popup
10281 ToNrEvent(forwardMostMove);
10282 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10284 } else DisplayFatalError(buf, 0, 0);
10285 } else { // match through menu; just stop, with or without popup
10286 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10289 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10290 } else DisplayNote(buf);
10292 if(ranking) free(ranking);
10296 /* Assumes program was just initialized (initString sent).
10297 Leaves program in force mode. */
10299 FeedMovesToProgram(cps, upto)
10300 ChessProgramState *cps;
10305 if (appData.debugMode)
10306 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10307 startedFromSetupPosition ? "position and " : "",
10308 backwardMostMove, upto, cps->which);
10309 if(currentlyInitializedVariant != gameInfo.variant) {
10311 // [HGM] variantswitch: make engine aware of new variant
10312 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10313 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10314 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10315 SendToProgram(buf, cps);
10316 currentlyInitializedVariant = gameInfo.variant;
10318 SendToProgram("force\n", cps);
10319 if (startedFromSetupPosition) {
10320 SendBoard(cps, backwardMostMove);
10321 if (appData.debugMode) {
10322 fprintf(debugFP, "feedMoves\n");
10325 for (i = backwardMostMove; i < upto; i++) {
10326 SendMoveToProgram(i, cps);
10332 ResurrectChessProgram()
10334 /* The chess program may have exited.
10335 If so, restart it and feed it all the moves made so far. */
10336 static int doInit = 0;
10338 if (appData.noChessProgram) return 1;
10340 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10341 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10342 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10343 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10345 if (first.pr != NoProc) return 1;
10346 StartChessProgram(&first);
10348 InitChessProgram(&first, FALSE);
10349 FeedMovesToProgram(&first, currentMove);
10351 if (!first.sendTime) {
10352 /* can't tell gnuchess what its clock should read,
10353 so we bow to its notion. */
10355 timeRemaining[0][currentMove] = whiteTimeRemaining;
10356 timeRemaining[1][currentMove] = blackTimeRemaining;
10359 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10360 appData.icsEngineAnalyze) && first.analysisSupport) {
10361 SendToProgram("analyze\n", &first);
10362 first.analyzing = TRUE;
10368 * Button procedures
10371 Reset(redraw, init)
10376 if (appData.debugMode) {
10377 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10378 redraw, init, gameMode);
10380 CleanupTail(); // [HGM] vari: delete any stored variations
10381 pausing = pauseExamInvalid = FALSE;
10382 startedFromSetupPosition = blackPlaysFirst = FALSE;
10384 whiteFlag = blackFlag = FALSE;
10385 userOfferedDraw = FALSE;
10386 hintRequested = bookRequested = FALSE;
10387 first.maybeThinking = FALSE;
10388 second.maybeThinking = FALSE;
10389 first.bookSuspend = FALSE; // [HGM] book
10390 second.bookSuspend = FALSE;
10391 thinkOutput[0] = NULLCHAR;
10392 lastHint[0] = NULLCHAR;
10393 ClearGameInfo(&gameInfo);
10394 gameInfo.variant = StringToVariant(appData.variant);
10395 ics_user_moved = ics_clock_paused = FALSE;
10396 ics_getting_history = H_FALSE;
10398 white_holding[0] = black_holding[0] = NULLCHAR;
10399 ClearProgramStats();
10400 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10404 flipView = appData.flipView;
10405 ClearPremoveHighlights();
10406 gotPremove = FALSE;
10407 alarmSounded = FALSE;
10409 GameEnds(EndOfFile, NULL, GE_PLAYER);
10410 if(appData.serverMovesName != NULL) {
10411 /* [HGM] prepare to make moves file for broadcasting */
10412 clock_t t = clock();
10413 if(serverMoves != NULL) fclose(serverMoves);
10414 serverMoves = fopen(appData.serverMovesName, "r");
10415 if(serverMoves != NULL) {
10416 fclose(serverMoves);
10417 /* delay 15 sec before overwriting, so all clients can see end */
10418 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10420 serverMoves = fopen(appData.serverMovesName, "w");
10424 gameMode = BeginningOfGame;
10426 if(appData.icsActive) gameInfo.variant = VariantNormal;
10427 currentMove = forwardMostMove = backwardMostMove = 0;
10428 InitPosition(redraw);
10429 for (i = 0; i < MAX_MOVES; i++) {
10430 if (commentList[i] != NULL) {
10431 free(commentList[i]);
10432 commentList[i] = NULL;
10436 timeRemaining[0][0] = whiteTimeRemaining;
10437 timeRemaining[1][0] = blackTimeRemaining;
10439 if (first.pr == NULL) {
10440 StartChessProgram(&first);
10443 InitChessProgram(&first, startedFromSetupPosition);
10446 DisplayMessage("", "");
10447 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10448 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10455 if (!AutoPlayOneMove())
10457 if (matchMode || appData.timeDelay == 0)
10459 if (appData.timeDelay < 0)
10461 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10470 int fromX, fromY, toX, toY;
10472 if (appData.debugMode) {
10473 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10476 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10479 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10480 pvInfoList[currentMove].depth = programStats.depth;
10481 pvInfoList[currentMove].score = programStats.score;
10482 pvInfoList[currentMove].time = 0;
10483 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10486 if (currentMove >= forwardMostMove) {
10487 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10488 gameMode = EditGame;
10491 /* [AS] Clear current move marker at the end of a game */
10492 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10497 toX = moveList[currentMove][2] - AAA;
10498 toY = moveList[currentMove][3] - ONE;
10500 if (moveList[currentMove][1] == '@') {
10501 if (appData.highlightLastMove) {
10502 SetHighlights(-1, -1, toX, toY);
10505 fromX = moveList[currentMove][0] - AAA;
10506 fromY = moveList[currentMove][1] - ONE;
10508 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10510 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10512 if (appData.highlightLastMove) {
10513 SetHighlights(fromX, fromY, toX, toY);
10516 DisplayMove(currentMove);
10517 SendMoveToProgram(currentMove++, &first);
10518 DisplayBothClocks();
10519 DrawPosition(FALSE, boards[currentMove]);
10520 // [HGM] PV info: always display, routine tests if empty
10521 DisplayComment(currentMove - 1, commentList[currentMove]);
10527 LoadGameOneMove(readAhead)
10528 ChessMove readAhead;
10530 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10531 char promoChar = NULLCHAR;
10532 ChessMove moveType;
10533 char move[MSG_SIZ];
10536 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10537 gameMode != AnalyzeMode && gameMode != Training) {
10542 yyboardindex = forwardMostMove;
10543 if (readAhead != EndOfFile) {
10544 moveType = readAhead;
10546 if (gameFileFP == NULL)
10548 moveType = (ChessMove) Myylex();
10552 switch (moveType) {
10554 if (appData.debugMode)
10555 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10558 /* append the comment but don't display it */
10559 AppendComment(currentMove, p, FALSE);
10562 case WhiteCapturesEnPassant:
10563 case BlackCapturesEnPassant:
10564 case WhitePromotion:
10565 case BlackPromotion:
10566 case WhiteNonPromotion:
10567 case BlackNonPromotion:
10569 case WhiteKingSideCastle:
10570 case WhiteQueenSideCastle:
10571 case BlackKingSideCastle:
10572 case BlackQueenSideCastle:
10573 case WhiteKingSideCastleWild:
10574 case WhiteQueenSideCastleWild:
10575 case BlackKingSideCastleWild:
10576 case BlackQueenSideCastleWild:
10578 case WhiteHSideCastleFR:
10579 case WhiteASideCastleFR:
10580 case BlackHSideCastleFR:
10581 case BlackASideCastleFR:
10583 if (appData.debugMode)
10584 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10585 fromX = currentMoveString[0] - AAA;
10586 fromY = currentMoveString[1] - ONE;
10587 toX = currentMoveString[2] - AAA;
10588 toY = currentMoveString[3] - ONE;
10589 promoChar = currentMoveString[4];
10594 if (appData.debugMode)
10595 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10596 fromX = moveType == WhiteDrop ?
10597 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10598 (int) CharToPiece(ToLower(currentMoveString[0]));
10600 toX = currentMoveString[2] - AAA;
10601 toY = currentMoveString[3] - ONE;
10607 case GameUnfinished:
10608 if (appData.debugMode)
10609 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10610 p = strchr(yy_text, '{');
10611 if (p == NULL) p = strchr(yy_text, '(');
10614 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10616 q = strchr(p, *p == '{' ? '}' : ')');
10617 if (q != NULL) *q = NULLCHAR;
10620 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10621 GameEnds(moveType, p, GE_FILE);
10623 if (cmailMsgLoaded) {
10625 flipView = WhiteOnMove(currentMove);
10626 if (moveType == GameUnfinished) flipView = !flipView;
10627 if (appData.debugMode)
10628 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10633 if (appData.debugMode)
10634 fprintf(debugFP, "Parser hit end of file\n");
10635 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10641 if (WhiteOnMove(currentMove)) {
10642 GameEnds(BlackWins, "Black mates", GE_FILE);
10644 GameEnds(WhiteWins, "White mates", GE_FILE);
10648 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10654 case MoveNumberOne:
10655 if (lastLoadGameStart == GNUChessGame) {
10656 /* GNUChessGames have numbers, but they aren't move numbers */
10657 if (appData.debugMode)
10658 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10659 yy_text, (int) moveType);
10660 return LoadGameOneMove(EndOfFile); /* tail recursion */
10662 /* else fall thru */
10667 /* Reached start of next game in file */
10668 if (appData.debugMode)
10669 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10670 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10676 if (WhiteOnMove(currentMove)) {
10677 GameEnds(BlackWins, "Black mates", GE_FILE);
10679 GameEnds(WhiteWins, "White mates", GE_FILE);
10683 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10689 case PositionDiagram: /* should not happen; ignore */
10690 case ElapsedTime: /* ignore */
10691 case NAG: /* ignore */
10692 if (appData.debugMode)
10693 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10694 yy_text, (int) moveType);
10695 return LoadGameOneMove(EndOfFile); /* tail recursion */
10698 if (appData.testLegality) {
10699 if (appData.debugMode)
10700 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10701 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10702 (forwardMostMove / 2) + 1,
10703 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10704 DisplayError(move, 0);
10707 if (appData.debugMode)
10708 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10709 yy_text, currentMoveString);
10710 fromX = currentMoveString[0] - AAA;
10711 fromY = currentMoveString[1] - ONE;
10712 toX = currentMoveString[2] - AAA;
10713 toY = currentMoveString[3] - ONE;
10714 promoChar = currentMoveString[4];
10718 case AmbiguousMove:
10719 if (appData.debugMode)
10720 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10721 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10722 (forwardMostMove / 2) + 1,
10723 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10724 DisplayError(move, 0);
10729 case ImpossibleMove:
10730 if (appData.debugMode)
10731 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10732 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10733 (forwardMostMove / 2) + 1,
10734 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10735 DisplayError(move, 0);
10741 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10742 DrawPosition(FALSE, boards[currentMove]);
10743 DisplayBothClocks();
10744 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10745 DisplayComment(currentMove - 1, commentList[currentMove]);
10747 (void) StopLoadGameTimer();
10749 cmailOldMove = forwardMostMove;
10752 /* currentMoveString is set as a side-effect of yylex */
10754 thinkOutput[0] = NULLCHAR;
10755 MakeMove(fromX, fromY, toX, toY, promoChar);
10756 currentMove = forwardMostMove;
10761 /* Load the nth game from the given file */
10763 LoadGameFromFile(filename, n, title, useList)
10767 /*Boolean*/ int useList;
10772 if (strcmp(filename, "-") == 0) {
10776 f = fopen(filename, "rb");
10778 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10779 DisplayError(buf, errno);
10783 if (fseek(f, 0, 0) == -1) {
10784 /* f is not seekable; probably a pipe */
10787 if (useList && n == 0) {
10788 int error = GameListBuild(f);
10790 DisplayError(_("Cannot build game list"), error);
10791 } else if (!ListEmpty(&gameList) &&
10792 ((ListGame *) gameList.tailPred)->number > 1) {
10793 GameListPopUp(f, title);
10800 return LoadGame(f, n, title, FALSE);
10805 MakeRegisteredMove()
10807 int fromX, fromY, toX, toY;
10809 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10810 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10813 if (appData.debugMode)
10814 fprintf(debugFP, "Restoring %s for game %d\n",
10815 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10817 thinkOutput[0] = NULLCHAR;
10818 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10819 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10820 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10821 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10822 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10823 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10824 MakeMove(fromX, fromY, toX, toY, promoChar);
10825 ShowMove(fromX, fromY, toX, toY);
10827 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10834 if (WhiteOnMove(currentMove)) {
10835 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10837 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10842 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10849 if (WhiteOnMove(currentMove)) {
10850 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10852 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10857 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10868 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10870 CmailLoadGame(f, gameNumber, title, useList)
10878 if (gameNumber > nCmailGames) {
10879 DisplayError(_("No more games in this message"), 0);
10882 if (f == lastLoadGameFP) {
10883 int offset = gameNumber - lastLoadGameNumber;
10885 cmailMsg[0] = NULLCHAR;
10886 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10887 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10888 nCmailMovesRegistered--;
10890 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10891 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10892 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10895 if (! RegisterMove()) return FALSE;
10899 retVal = LoadGame(f, gameNumber, title, useList);
10901 /* Make move registered during previous look at this game, if any */
10902 MakeRegisteredMove();
10904 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10905 commentList[currentMove]
10906 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10907 DisplayComment(currentMove - 1, commentList[currentMove]);
10913 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10918 int gameNumber = lastLoadGameNumber + offset;
10919 if (lastLoadGameFP == NULL) {
10920 DisplayError(_("No game has been loaded yet"), 0);
10923 if (gameNumber <= 0) {
10924 DisplayError(_("Can't back up any further"), 0);
10927 if (cmailMsgLoaded) {
10928 return CmailLoadGame(lastLoadGameFP, gameNumber,
10929 lastLoadGameTitle, lastLoadGameUseList);
10931 return LoadGame(lastLoadGameFP, gameNumber,
10932 lastLoadGameTitle, lastLoadGameUseList);
10938 /* Load the nth game from open file f */
10940 LoadGame(f, gameNumber, title, useList)
10948 int gn = gameNumber;
10949 ListGame *lg = NULL;
10950 int numPGNTags = 0;
10952 GameMode oldGameMode;
10953 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10955 if (appData.debugMode)
10956 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10958 if (gameMode == Training )
10959 SetTrainingModeOff();
10961 oldGameMode = gameMode;
10962 if (gameMode != BeginningOfGame) {
10963 Reset(FALSE, TRUE);
10967 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10968 fclose(lastLoadGameFP);
10972 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10975 fseek(f, lg->offset, 0);
10976 GameListHighlight(gameNumber);
10980 DisplayError(_("Game number out of range"), 0);
10985 if (fseek(f, 0, 0) == -1) {
10986 if (f == lastLoadGameFP ?
10987 gameNumber == lastLoadGameNumber + 1 :
10991 DisplayError(_("Can't seek on game file"), 0);
10996 lastLoadGameFP = f;
10997 lastLoadGameNumber = gameNumber;
10998 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10999 lastLoadGameUseList = useList;
11003 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11004 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11005 lg->gameInfo.black);
11007 } else if (*title != NULLCHAR) {
11008 if (gameNumber > 1) {
11009 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11012 DisplayTitle(title);
11016 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11017 gameMode = PlayFromGameFile;
11021 currentMove = forwardMostMove = backwardMostMove = 0;
11022 CopyBoard(boards[0], initialPosition);
11026 * Skip the first gn-1 games in the file.
11027 * Also skip over anything that precedes an identifiable
11028 * start of game marker, to avoid being confused by
11029 * garbage at the start of the file. Currently
11030 * recognized start of game markers are the move number "1",
11031 * the pattern "gnuchess .* game", the pattern
11032 * "^[#;%] [^ ]* game file", and a PGN tag block.
11033 * A game that starts with one of the latter two patterns
11034 * will also have a move number 1, possibly
11035 * following a position diagram.
11036 * 5-4-02: Let's try being more lenient and allowing a game to
11037 * start with an unnumbered move. Does that break anything?
11039 cm = lastLoadGameStart = EndOfFile;
11041 yyboardindex = forwardMostMove;
11042 cm = (ChessMove) Myylex();
11045 if (cmailMsgLoaded) {
11046 nCmailGames = CMAIL_MAX_GAMES - gn;
11049 DisplayError(_("Game not found in file"), 0);
11056 lastLoadGameStart = cm;
11059 case MoveNumberOne:
11060 switch (lastLoadGameStart) {
11065 case MoveNumberOne:
11067 gn--; /* count this game */
11068 lastLoadGameStart = cm;
11077 switch (lastLoadGameStart) {
11080 case MoveNumberOne:
11082 gn--; /* count this game */
11083 lastLoadGameStart = cm;
11086 lastLoadGameStart = cm; /* game counted already */
11094 yyboardindex = forwardMostMove;
11095 cm = (ChessMove) Myylex();
11096 } while (cm == PGNTag || cm == Comment);
11103 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11104 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11105 != CMAIL_OLD_RESULT) {
11107 cmailResult[ CMAIL_MAX_GAMES
11108 - gn - 1] = CMAIL_OLD_RESULT;
11114 /* Only a NormalMove can be at the start of a game
11115 * without a position diagram. */
11116 if (lastLoadGameStart == EndOfFile ) {
11118 lastLoadGameStart = MoveNumberOne;
11127 if (appData.debugMode)
11128 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11130 if (cm == XBoardGame) {
11131 /* Skip any header junk before position diagram and/or move 1 */
11133 yyboardindex = forwardMostMove;
11134 cm = (ChessMove) Myylex();
11136 if (cm == EndOfFile ||
11137 cm == GNUChessGame || cm == XBoardGame) {
11138 /* Empty game; pretend end-of-file and handle later */
11143 if (cm == MoveNumberOne || cm == PositionDiagram ||
11144 cm == PGNTag || cm == Comment)
11147 } else if (cm == GNUChessGame) {
11148 if (gameInfo.event != NULL) {
11149 free(gameInfo.event);
11151 gameInfo.event = StrSave(yy_text);
11154 startedFromSetupPosition = FALSE;
11155 while (cm == PGNTag) {
11156 if (appData.debugMode)
11157 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11158 err = ParsePGNTag(yy_text, &gameInfo);
11159 if (!err) numPGNTags++;
11161 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11162 if(gameInfo.variant != oldVariant) {
11163 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11164 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11165 InitPosition(TRUE);
11166 oldVariant = gameInfo.variant;
11167 if (appData.debugMode)
11168 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11172 if (gameInfo.fen != NULL) {
11173 Board initial_position;
11174 startedFromSetupPosition = TRUE;
11175 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11177 DisplayError(_("Bad FEN position in file"), 0);
11180 CopyBoard(boards[0], initial_position);
11181 if (blackPlaysFirst) {
11182 currentMove = forwardMostMove = backwardMostMove = 1;
11183 CopyBoard(boards[1], initial_position);
11184 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11185 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11186 timeRemaining[0][1] = whiteTimeRemaining;
11187 timeRemaining[1][1] = blackTimeRemaining;
11188 if (commentList[0] != NULL) {
11189 commentList[1] = commentList[0];
11190 commentList[0] = NULL;
11193 currentMove = forwardMostMove = backwardMostMove = 0;
11195 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11197 initialRulePlies = FENrulePlies;
11198 for( i=0; i< nrCastlingRights; i++ )
11199 initialRights[i] = initial_position[CASTLING][i];
11201 yyboardindex = forwardMostMove;
11202 free(gameInfo.fen);
11203 gameInfo.fen = NULL;
11206 yyboardindex = forwardMostMove;
11207 cm = (ChessMove) Myylex();
11209 /* Handle comments interspersed among the tags */
11210 while (cm == Comment) {
11212 if (appData.debugMode)
11213 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11215 AppendComment(currentMove, p, FALSE);
11216 yyboardindex = forwardMostMove;
11217 cm = (ChessMove) Myylex();
11221 /* don't rely on existence of Event tag since if game was
11222 * pasted from clipboard the Event tag may not exist
11224 if (numPGNTags > 0){
11226 if (gameInfo.variant == VariantNormal) {
11227 VariantClass v = StringToVariant(gameInfo.event);
11228 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11229 if(v < VariantShogi) gameInfo.variant = v;
11232 if( appData.autoDisplayTags ) {
11233 tags = PGNTags(&gameInfo);
11234 TagsPopUp(tags, CmailMsg());
11239 /* Make something up, but don't display it now */
11244 if (cm == PositionDiagram) {
11247 Board initial_position;
11249 if (appData.debugMode)
11250 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11252 if (!startedFromSetupPosition) {
11254 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11255 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11266 initial_position[i][j++] = CharToPiece(*p);
11269 while (*p == ' ' || *p == '\t' ||
11270 *p == '\n' || *p == '\r') p++;
11272 if (strncmp(p, "black", strlen("black"))==0)
11273 blackPlaysFirst = TRUE;
11275 blackPlaysFirst = FALSE;
11276 startedFromSetupPosition = TRUE;
11278 CopyBoard(boards[0], initial_position);
11279 if (blackPlaysFirst) {
11280 currentMove = forwardMostMove = backwardMostMove = 1;
11281 CopyBoard(boards[1], initial_position);
11282 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11283 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11284 timeRemaining[0][1] = whiteTimeRemaining;
11285 timeRemaining[1][1] = blackTimeRemaining;
11286 if (commentList[0] != NULL) {
11287 commentList[1] = commentList[0];
11288 commentList[0] = NULL;
11291 currentMove = forwardMostMove = backwardMostMove = 0;
11294 yyboardindex = forwardMostMove;
11295 cm = (ChessMove) Myylex();
11298 if (first.pr == NoProc) {
11299 StartChessProgram(&first);
11301 InitChessProgram(&first, FALSE);
11302 SendToProgram("force\n", &first);
11303 if (startedFromSetupPosition) {
11304 SendBoard(&first, forwardMostMove);
11305 if (appData.debugMode) {
11306 fprintf(debugFP, "Load Game\n");
11308 DisplayBothClocks();
11311 /* [HGM] server: flag to write setup moves in broadcast file as one */
11312 loadFlag = appData.suppressLoadMoves;
11314 while (cm == Comment) {
11316 if (appData.debugMode)
11317 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11319 AppendComment(currentMove, p, FALSE);
11320 yyboardindex = forwardMostMove;
11321 cm = (ChessMove) Myylex();
11324 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11325 cm == WhiteWins || cm == BlackWins ||
11326 cm == GameIsDrawn || cm == GameUnfinished) {
11327 DisplayMessage("", _("No moves in game"));
11328 if (cmailMsgLoaded) {
11329 if (appData.debugMode)
11330 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11334 DrawPosition(FALSE, boards[currentMove]);
11335 DisplayBothClocks();
11336 gameMode = EditGame;
11343 // [HGM] PV info: routine tests if comment empty
11344 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11345 DisplayComment(currentMove - 1, commentList[currentMove]);
11347 if (!matchMode && appData.timeDelay != 0)
11348 DrawPosition(FALSE, boards[currentMove]);
11350 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11351 programStats.ok_to_send = 1;
11354 /* if the first token after the PGN tags is a move
11355 * and not move number 1, retrieve it from the parser
11357 if (cm != MoveNumberOne)
11358 LoadGameOneMove(cm);
11360 /* load the remaining moves from the file */
11361 while (LoadGameOneMove(EndOfFile)) {
11362 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11363 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11366 /* rewind to the start of the game */
11367 currentMove = backwardMostMove;
11369 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11371 if (oldGameMode == AnalyzeFile ||
11372 oldGameMode == AnalyzeMode) {
11373 AnalyzeFileEvent();
11376 if (matchMode || appData.timeDelay == 0) {
11378 gameMode = EditGame;
11380 } else if (appData.timeDelay > 0) {
11381 AutoPlayGameLoop();
11384 if (appData.debugMode)
11385 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11387 loadFlag = 0; /* [HGM] true game starts */
11391 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11393 ReloadPosition(offset)
11396 int positionNumber = lastLoadPositionNumber + offset;
11397 if (lastLoadPositionFP == NULL) {
11398 DisplayError(_("No position has been loaded yet"), 0);
11401 if (positionNumber <= 0) {
11402 DisplayError(_("Can't back up any further"), 0);
11405 return LoadPosition(lastLoadPositionFP, positionNumber,
11406 lastLoadPositionTitle);
11409 /* Load the nth position from the given file */
11411 LoadPositionFromFile(filename, n, title)
11419 if (strcmp(filename, "-") == 0) {
11420 return LoadPosition(stdin, n, "stdin");
11422 f = fopen(filename, "rb");
11424 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11425 DisplayError(buf, errno);
11428 return LoadPosition(f, n, title);
11433 /* Load the nth position from the given open file, and close it */
11435 LoadPosition(f, positionNumber, title)
11437 int positionNumber;
11440 char *p, line[MSG_SIZ];
11441 Board initial_position;
11442 int i, j, fenMode, pn;
11444 if (gameMode == Training )
11445 SetTrainingModeOff();
11447 if (gameMode != BeginningOfGame) {
11448 Reset(FALSE, TRUE);
11450 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11451 fclose(lastLoadPositionFP);
11453 if (positionNumber == 0) positionNumber = 1;
11454 lastLoadPositionFP = f;
11455 lastLoadPositionNumber = positionNumber;
11456 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11457 if (first.pr == NoProc) {
11458 StartChessProgram(&first);
11459 InitChessProgram(&first, FALSE);
11461 pn = positionNumber;
11462 if (positionNumber < 0) {
11463 /* Negative position number means to seek to that byte offset */
11464 if (fseek(f, -positionNumber, 0) == -1) {
11465 DisplayError(_("Can't seek on position file"), 0);
11470 if (fseek(f, 0, 0) == -1) {
11471 if (f == lastLoadPositionFP ?
11472 positionNumber == lastLoadPositionNumber + 1 :
11473 positionNumber == 1) {
11476 DisplayError(_("Can't seek on position file"), 0);
11481 /* See if this file is FEN or old-style xboard */
11482 if (fgets(line, MSG_SIZ, f) == NULL) {
11483 DisplayError(_("Position not found in file"), 0);
11486 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11487 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11490 if (fenMode || line[0] == '#') pn--;
11492 /* skip positions before number pn */
11493 if (fgets(line, MSG_SIZ, f) == NULL) {
11495 DisplayError(_("Position not found in file"), 0);
11498 if (fenMode || line[0] == '#') pn--;
11503 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11504 DisplayError(_("Bad FEN position in file"), 0);
11508 (void) fgets(line, MSG_SIZ, f);
11509 (void) fgets(line, MSG_SIZ, f);
11511 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11512 (void) fgets(line, MSG_SIZ, f);
11513 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11516 initial_position[i][j++] = CharToPiece(*p);
11520 blackPlaysFirst = FALSE;
11522 (void) fgets(line, MSG_SIZ, f);
11523 if (strncmp(line, "black", strlen("black"))==0)
11524 blackPlaysFirst = TRUE;
11527 startedFromSetupPosition = TRUE;
11529 SendToProgram("force\n", &first);
11530 CopyBoard(boards[0], initial_position);
11531 if (blackPlaysFirst) {
11532 currentMove = forwardMostMove = backwardMostMove = 1;
11533 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11534 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11535 CopyBoard(boards[1], initial_position);
11536 DisplayMessage("", _("Black to play"));
11538 currentMove = forwardMostMove = backwardMostMove = 0;
11539 DisplayMessage("", _("White to play"));
11541 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11542 SendBoard(&first, forwardMostMove);
11543 if (appData.debugMode) {
11545 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11546 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11547 fprintf(debugFP, "Load Position\n");
11550 if (positionNumber > 1) {
11551 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11552 DisplayTitle(line);
11554 DisplayTitle(title);
11556 gameMode = EditGame;
11559 timeRemaining[0][1] = whiteTimeRemaining;
11560 timeRemaining[1][1] = blackTimeRemaining;
11561 DrawPosition(FALSE, boards[currentMove]);
11568 CopyPlayerNameIntoFileName(dest, src)
11571 while (*src != NULLCHAR && *src != ',') {
11576 *(*dest)++ = *src++;
11581 char *DefaultFileName(ext)
11584 static char def[MSG_SIZ];
11587 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11589 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11591 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11593 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11600 /* Save the current game to the given file */
11602 SaveGameToFile(filename, append)
11610 if (strcmp(filename, "-") == 0) {
11611 return SaveGame(stdout, 0, NULL);
11613 f = fopen(filename, append ? "a" : "w");
11615 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11616 DisplayError(buf, errno);
11619 safeStrCpy(buf, lastMsg, MSG_SIZ);
11620 DisplayMessage(_("Waiting for access to save file"), "");
11621 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11622 DisplayMessage(_("Saving game"), "");
11623 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11624 result = SaveGame(f, 0, NULL);
11625 DisplayMessage(buf, "");
11635 static char buf[MSG_SIZ];
11638 p = strchr(str, ' ');
11639 if (p == NULL) return str;
11640 strncpy(buf, str, p - str);
11641 buf[p - str] = NULLCHAR;
11645 #define PGN_MAX_LINE 75
11647 #define PGN_SIDE_WHITE 0
11648 #define PGN_SIDE_BLACK 1
11651 static int FindFirstMoveOutOfBook( int side )
11655 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11656 int index = backwardMostMove;
11657 int has_book_hit = 0;
11659 if( (index % 2) != side ) {
11663 while( index < forwardMostMove ) {
11664 /* Check to see if engine is in book */
11665 int depth = pvInfoList[index].depth;
11666 int score = pvInfoList[index].score;
11672 else if( score == 0 && depth == 63 ) {
11673 in_book = 1; /* Zappa */
11675 else if( score == 2 && depth == 99 ) {
11676 in_book = 1; /* Abrok */
11679 has_book_hit += in_book;
11695 void GetOutOfBookInfo( char * buf )
11699 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11701 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11702 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11706 if( oob[0] >= 0 || oob[1] >= 0 ) {
11707 for( i=0; i<2; i++ ) {
11711 if( i > 0 && oob[0] >= 0 ) {
11712 strcat( buf, " " );
11715 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11716 sprintf( buf+strlen(buf), "%s%.2f",
11717 pvInfoList[idx].score >= 0 ? "+" : "",
11718 pvInfoList[idx].score / 100.0 );
11724 /* Save game in PGN style and close the file */
11729 int i, offset, linelen, newblock;
11733 int movelen, numlen, blank;
11734 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11736 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11738 tm = time((time_t *) NULL);
11740 PrintPGNTags(f, &gameInfo);
11742 if (backwardMostMove > 0 || startedFromSetupPosition) {
11743 char *fen = PositionToFEN(backwardMostMove, NULL);
11744 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11745 fprintf(f, "\n{--------------\n");
11746 PrintPosition(f, backwardMostMove);
11747 fprintf(f, "--------------}\n");
11751 /* [AS] Out of book annotation */
11752 if( appData.saveOutOfBookInfo ) {
11755 GetOutOfBookInfo( buf );
11757 if( buf[0] != '\0' ) {
11758 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11765 i = backwardMostMove;
11769 while (i < forwardMostMove) {
11770 /* Print comments preceding this move */
11771 if (commentList[i] != NULL) {
11772 if (linelen > 0) fprintf(f, "\n");
11773 fprintf(f, "%s", commentList[i]);
11778 /* Format move number */
11780 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11783 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11785 numtext[0] = NULLCHAR;
11787 numlen = strlen(numtext);
11790 /* Print move number */
11791 blank = linelen > 0 && numlen > 0;
11792 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11801 fprintf(f, "%s", numtext);
11805 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11806 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11809 blank = linelen > 0 && movelen > 0;
11810 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11819 fprintf(f, "%s", move_buffer);
11820 linelen += movelen;
11822 /* [AS] Add PV info if present */
11823 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11824 /* [HGM] add time */
11825 char buf[MSG_SIZ]; int seconds;
11827 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11833 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11836 seconds = (seconds + 4)/10; // round to full seconds
11838 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11840 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11843 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11844 pvInfoList[i].score >= 0 ? "+" : "",
11845 pvInfoList[i].score / 100.0,
11846 pvInfoList[i].depth,
11849 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11851 /* Print score/depth */
11852 blank = linelen > 0 && movelen > 0;
11853 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11862 fprintf(f, "%s", move_buffer);
11863 linelen += movelen;
11869 /* Start a new line */
11870 if (linelen > 0) fprintf(f, "\n");
11872 /* Print comments after last move */
11873 if (commentList[i] != NULL) {
11874 fprintf(f, "%s\n", commentList[i]);
11878 if (gameInfo.resultDetails != NULL &&
11879 gameInfo.resultDetails[0] != NULLCHAR) {
11880 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11881 PGNResult(gameInfo.result));
11883 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11887 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11891 /* Save game in old style and close the file */
11893 SaveGameOldStyle(f)
11899 tm = time((time_t *) NULL);
11901 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11904 if (backwardMostMove > 0 || startedFromSetupPosition) {
11905 fprintf(f, "\n[--------------\n");
11906 PrintPosition(f, backwardMostMove);
11907 fprintf(f, "--------------]\n");
11912 i = backwardMostMove;
11913 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11915 while (i < forwardMostMove) {
11916 if (commentList[i] != NULL) {
11917 fprintf(f, "[%s]\n", commentList[i]);
11920 if ((i % 2) == 1) {
11921 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11924 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11926 if (commentList[i] != NULL) {
11930 if (i >= forwardMostMove) {
11934 fprintf(f, "%s\n", parseList[i]);
11939 if (commentList[i] != NULL) {
11940 fprintf(f, "[%s]\n", commentList[i]);
11943 /* This isn't really the old style, but it's close enough */
11944 if (gameInfo.resultDetails != NULL &&
11945 gameInfo.resultDetails[0] != NULLCHAR) {
11946 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11947 gameInfo.resultDetails);
11949 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11956 /* Save the current game to open file f and close the file */
11958 SaveGame(f, dummy, dummy2)
11963 if (gameMode == EditPosition) EditPositionDone(TRUE);
11964 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11965 if (appData.oldSaveStyle)
11966 return SaveGameOldStyle(f);
11968 return SaveGamePGN(f);
11971 /* Save the current position to the given file */
11973 SavePositionToFile(filename)
11979 if (strcmp(filename, "-") == 0) {
11980 return SavePosition(stdout, 0, NULL);
11982 f = fopen(filename, "a");
11984 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11985 DisplayError(buf, errno);
11988 safeStrCpy(buf, lastMsg, MSG_SIZ);
11989 DisplayMessage(_("Waiting for access to save file"), "");
11990 flock(fileno(f), LOCK_EX); // [HGM] lock
11991 DisplayMessage(_("Saving position"), "");
11992 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
11993 SavePosition(f, 0, NULL);
11994 DisplayMessage(buf, "");
12000 /* Save the current position to the given open file and close the file */
12002 SavePosition(f, dummy, dummy2)
12010 if (gameMode == EditPosition) EditPositionDone(TRUE);
12011 if (appData.oldSaveStyle) {
12012 tm = time((time_t *) NULL);
12014 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12016 fprintf(f, "[--------------\n");
12017 PrintPosition(f, currentMove);
12018 fprintf(f, "--------------]\n");
12020 fen = PositionToFEN(currentMove, NULL);
12021 fprintf(f, "%s\n", fen);
12029 ReloadCmailMsgEvent(unregister)
12033 static char *inFilename = NULL;
12034 static char *outFilename;
12036 struct stat inbuf, outbuf;
12039 /* Any registered moves are unregistered if unregister is set, */
12040 /* i.e. invoked by the signal handler */
12042 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12043 cmailMoveRegistered[i] = FALSE;
12044 if (cmailCommentList[i] != NULL) {
12045 free(cmailCommentList[i]);
12046 cmailCommentList[i] = NULL;
12049 nCmailMovesRegistered = 0;
12052 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12053 cmailResult[i] = CMAIL_NOT_RESULT;
12057 if (inFilename == NULL) {
12058 /* Because the filenames are static they only get malloced once */
12059 /* and they never get freed */
12060 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12061 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12063 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12064 sprintf(outFilename, "%s.out", appData.cmailGameName);
12067 status = stat(outFilename, &outbuf);
12069 cmailMailedMove = FALSE;
12071 status = stat(inFilename, &inbuf);
12072 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12075 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12076 counts the games, notes how each one terminated, etc.
12078 It would be nice to remove this kludge and instead gather all
12079 the information while building the game list. (And to keep it
12080 in the game list nodes instead of having a bunch of fixed-size
12081 parallel arrays.) Note this will require getting each game's
12082 termination from the PGN tags, as the game list builder does
12083 not process the game moves. --mann
12085 cmailMsgLoaded = TRUE;
12086 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12088 /* Load first game in the file or popup game menu */
12089 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12091 #endif /* !WIN32 */
12099 char string[MSG_SIZ];
12101 if ( cmailMailedMove
12102 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12103 return TRUE; /* Allow free viewing */
12106 /* Unregister move to ensure that we don't leave RegisterMove */
12107 /* with the move registered when the conditions for registering no */
12109 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12110 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12111 nCmailMovesRegistered --;
12113 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12115 free(cmailCommentList[lastLoadGameNumber - 1]);
12116 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12120 if (cmailOldMove == -1) {
12121 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12125 if (currentMove > cmailOldMove + 1) {
12126 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12130 if (currentMove < cmailOldMove) {
12131 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12135 if (forwardMostMove > currentMove) {
12136 /* Silently truncate extra moves */
12140 if ( (currentMove == cmailOldMove + 1)
12141 || ( (currentMove == cmailOldMove)
12142 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12143 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12144 if (gameInfo.result != GameUnfinished) {
12145 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12148 if (commentList[currentMove] != NULL) {
12149 cmailCommentList[lastLoadGameNumber - 1]
12150 = StrSave(commentList[currentMove]);
12152 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12154 if (appData.debugMode)
12155 fprintf(debugFP, "Saving %s for game %d\n",
12156 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12158 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12160 f = fopen(string, "w");
12161 if (appData.oldSaveStyle) {
12162 SaveGameOldStyle(f); /* also closes the file */
12164 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12165 f = fopen(string, "w");
12166 SavePosition(f, 0, NULL); /* also closes the file */
12168 fprintf(f, "{--------------\n");
12169 PrintPosition(f, currentMove);
12170 fprintf(f, "--------------}\n\n");
12172 SaveGame(f, 0, NULL); /* also closes the file*/
12175 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12176 nCmailMovesRegistered ++;
12177 } else if (nCmailGames == 1) {
12178 DisplayError(_("You have not made a move yet"), 0);
12189 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12190 FILE *commandOutput;
12191 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12192 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12198 if (! cmailMsgLoaded) {
12199 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12203 if (nCmailGames == nCmailResults) {
12204 DisplayError(_("No unfinished games"), 0);
12208 #if CMAIL_PROHIBIT_REMAIL
12209 if (cmailMailedMove) {
12210 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);
12211 DisplayError(msg, 0);
12216 if (! (cmailMailedMove || RegisterMove())) return;
12218 if ( cmailMailedMove
12219 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12220 snprintf(string, MSG_SIZ, partCommandString,
12221 appData.debugMode ? " -v" : "", appData.cmailGameName);
12222 commandOutput = popen(string, "r");
12224 if (commandOutput == NULL) {
12225 DisplayError(_("Failed to invoke cmail"), 0);
12227 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12228 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12230 if (nBuffers > 1) {
12231 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12232 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12233 nBytes = MSG_SIZ - 1;
12235 (void) memcpy(msg, buffer, nBytes);
12237 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12239 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12240 cmailMailedMove = TRUE; /* Prevent >1 moves */
12243 for (i = 0; i < nCmailGames; i ++) {
12244 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12249 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12251 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12253 appData.cmailGameName,
12255 LoadGameFromFile(buffer, 1, buffer, FALSE);
12256 cmailMsgLoaded = FALSE;
12260 DisplayInformation(msg);
12261 pclose(commandOutput);
12264 if ((*cmailMsg) != '\0') {
12265 DisplayInformation(cmailMsg);
12270 #endif /* !WIN32 */
12279 int prependComma = 0;
12281 char string[MSG_SIZ]; /* Space for game-list */
12284 if (!cmailMsgLoaded) return "";
12286 if (cmailMailedMove) {
12287 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12289 /* Create a list of games left */
12290 snprintf(string, MSG_SIZ, "[");
12291 for (i = 0; i < nCmailGames; i ++) {
12292 if (! ( cmailMoveRegistered[i]
12293 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12294 if (prependComma) {
12295 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12297 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12301 strcat(string, number);
12304 strcat(string, "]");
12306 if (nCmailMovesRegistered + nCmailResults == 0) {
12307 switch (nCmailGames) {
12309 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12313 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12317 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12322 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12324 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12329 if (nCmailResults == nCmailGames) {
12330 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12332 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12337 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12349 if (gameMode == Training)
12350 SetTrainingModeOff();
12353 cmailMsgLoaded = FALSE;
12354 if (appData.icsActive) {
12355 SendToICS(ics_prefix);
12356 SendToICS("refresh\n");
12366 /* Give up on clean exit */
12370 /* Keep trying for clean exit */
12374 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12376 if (telnetISR != NULL) {
12377 RemoveInputSource(telnetISR);
12379 if (icsPR != NoProc) {
12380 DestroyChildProcess(icsPR, TRUE);
12383 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12384 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12386 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12387 /* make sure this other one finishes before killing it! */
12388 if(endingGame) { int count = 0;
12389 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12390 while(endingGame && count++ < 10) DoSleep(1);
12391 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12394 /* Kill off chess programs */
12395 if (first.pr != NoProc) {
12398 DoSleep( appData.delayBeforeQuit );
12399 SendToProgram("quit\n", &first);
12400 DoSleep( appData.delayAfterQuit );
12401 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12403 if (second.pr != NoProc) {
12404 DoSleep( appData.delayBeforeQuit );
12405 SendToProgram("quit\n", &second);
12406 DoSleep( appData.delayAfterQuit );
12407 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12409 if (first.isr != NULL) {
12410 RemoveInputSource(first.isr);
12412 if (second.isr != NULL) {
12413 RemoveInputSource(second.isr);
12416 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12417 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12419 ShutDownFrontEnd();
12426 if (appData.debugMode)
12427 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12431 if (gameMode == MachinePlaysWhite ||
12432 gameMode == MachinePlaysBlack) {
12435 DisplayBothClocks();
12437 if (gameMode == PlayFromGameFile) {
12438 if (appData.timeDelay >= 0)
12439 AutoPlayGameLoop();
12440 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12441 Reset(FALSE, TRUE);
12442 SendToICS(ics_prefix);
12443 SendToICS("refresh\n");
12444 } else if (currentMove < forwardMostMove) {
12445 ForwardInner(forwardMostMove);
12447 pauseExamInvalid = FALSE;
12449 switch (gameMode) {
12453 pauseExamForwardMostMove = forwardMostMove;
12454 pauseExamInvalid = FALSE;
12457 case IcsPlayingWhite:
12458 case IcsPlayingBlack:
12462 case PlayFromGameFile:
12463 (void) StopLoadGameTimer();
12467 case BeginningOfGame:
12468 if (appData.icsActive) return;
12469 /* else fall through */
12470 case MachinePlaysWhite:
12471 case MachinePlaysBlack:
12472 case TwoMachinesPlay:
12473 if (forwardMostMove == 0)
12474 return; /* don't pause if no one has moved */
12475 if ((gameMode == MachinePlaysWhite &&
12476 !WhiteOnMove(forwardMostMove)) ||
12477 (gameMode == MachinePlaysBlack &&
12478 WhiteOnMove(forwardMostMove))) {
12491 char title[MSG_SIZ];
12493 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12494 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12496 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12497 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12498 parseList[currentMove - 1]);
12501 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12508 char *tags = PGNTags(&gameInfo);
12510 EditTagsPopUp(tags, NULL);
12517 if (appData.noChessProgram || gameMode == AnalyzeMode)
12520 if (gameMode != AnalyzeFile) {
12521 if (!appData.icsEngineAnalyze) {
12523 if (gameMode != EditGame) return;
12525 ResurrectChessProgram();
12526 SendToProgram("analyze\n", &first);
12527 first.analyzing = TRUE;
12528 /*first.maybeThinking = TRUE;*/
12529 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12530 EngineOutputPopUp();
12532 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12537 StartAnalysisClock();
12538 GetTimeMark(&lastNodeCountTime);
12545 if (appData.noChessProgram || gameMode == AnalyzeFile)
12548 if (gameMode != AnalyzeMode) {
12550 if (gameMode != EditGame) return;
12551 ResurrectChessProgram();
12552 SendToProgram("analyze\n", &first);
12553 first.analyzing = TRUE;
12554 /*first.maybeThinking = TRUE;*/
12555 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12556 EngineOutputPopUp();
12558 gameMode = AnalyzeFile;
12563 StartAnalysisClock();
12564 GetTimeMark(&lastNodeCountTime);
12569 MachineWhiteEvent()
12572 char *bookHit = NULL;
12574 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12578 if (gameMode == PlayFromGameFile ||
12579 gameMode == TwoMachinesPlay ||
12580 gameMode == Training ||
12581 gameMode == AnalyzeMode ||
12582 gameMode == EndOfGame)
12585 if (gameMode == EditPosition)
12586 EditPositionDone(TRUE);
12588 if (!WhiteOnMove(currentMove)) {
12589 DisplayError(_("It is not White's turn"), 0);
12593 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12596 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12597 gameMode == AnalyzeFile)
12600 ResurrectChessProgram(); /* in case it isn't running */
12601 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12602 gameMode = MachinePlaysWhite;
12605 gameMode = MachinePlaysWhite;
12609 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12611 if (first.sendName) {
12612 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12613 SendToProgram(buf, &first);
12615 if (first.sendTime) {
12616 if (first.useColors) {
12617 SendToProgram("black\n", &first); /*gnu kludge*/
12619 SendTimeRemaining(&first, TRUE);
12621 if (first.useColors) {
12622 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12624 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12625 SetMachineThinkingEnables();
12626 first.maybeThinking = TRUE;
12630 if (appData.autoFlipView && !flipView) {
12631 flipView = !flipView;
12632 DrawPosition(FALSE, NULL);
12633 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12636 if(bookHit) { // [HGM] book: simulate book reply
12637 static char bookMove[MSG_SIZ]; // a bit generous?
12639 programStats.nodes = programStats.depth = programStats.time =
12640 programStats.score = programStats.got_only_move = 0;
12641 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12643 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12644 strcat(bookMove, bookHit);
12645 HandleMachineMove(bookMove, &first);
12650 MachineBlackEvent()
12653 char *bookHit = NULL;
12655 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12659 if (gameMode == PlayFromGameFile ||
12660 gameMode == TwoMachinesPlay ||
12661 gameMode == Training ||
12662 gameMode == AnalyzeMode ||
12663 gameMode == EndOfGame)
12666 if (gameMode == EditPosition)
12667 EditPositionDone(TRUE);
12669 if (WhiteOnMove(currentMove)) {
12670 DisplayError(_("It is not Black's turn"), 0);
12674 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12677 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12678 gameMode == AnalyzeFile)
12681 ResurrectChessProgram(); /* in case it isn't running */
12682 gameMode = MachinePlaysBlack;
12686 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12688 if (first.sendName) {
12689 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12690 SendToProgram(buf, &first);
12692 if (first.sendTime) {
12693 if (first.useColors) {
12694 SendToProgram("white\n", &first); /*gnu kludge*/
12696 SendTimeRemaining(&first, FALSE);
12698 if (first.useColors) {
12699 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12701 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12702 SetMachineThinkingEnables();
12703 first.maybeThinking = TRUE;
12706 if (appData.autoFlipView && flipView) {
12707 flipView = !flipView;
12708 DrawPosition(FALSE, NULL);
12709 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12711 if(bookHit) { // [HGM] book: simulate book reply
12712 static char bookMove[MSG_SIZ]; // a bit generous?
12714 programStats.nodes = programStats.depth = programStats.time =
12715 programStats.score = programStats.got_only_move = 0;
12716 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12718 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12719 strcat(bookMove, bookHit);
12720 HandleMachineMove(bookMove, &first);
12726 DisplayTwoMachinesTitle()
12729 if (appData.matchGames > 0) {
12730 if(appData.tourneyFile[0]) {
12731 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
12732 gameInfo.white, gameInfo.black,
12733 nextGame+1, appData.matchGames+1,
12734 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
12736 if (first.twoMachinesColor[0] == 'w') {
12737 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12738 gameInfo.white, gameInfo.black,
12739 first.matchWins, second.matchWins,
12740 matchGame - 1 - (first.matchWins + second.matchWins));
12742 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12743 gameInfo.white, gameInfo.black,
12744 second.matchWins, first.matchWins,
12745 matchGame - 1 - (first.matchWins + second.matchWins));
12748 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12754 SettingsMenuIfReady()
12756 if (second.lastPing != second.lastPong) {
12757 DisplayMessage("", _("Waiting for second chess program"));
12758 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12762 DisplayMessage("", "");
12763 SettingsPopUp(&second);
12767 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12770 if (cps->pr == NULL) {
12771 StartChessProgram(cps);
12772 if (cps->protocolVersion == 1) {
12775 /* kludge: allow timeout for initial "feature" command */
12777 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12778 DisplayMessage("", buf);
12779 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12787 TwoMachinesEvent P((void))
12791 ChessProgramState *onmove;
12792 char *bookHit = NULL;
12793 static int stalling = 0;
12797 if (appData.noChessProgram) return;
12799 switch (gameMode) {
12800 case TwoMachinesPlay:
12802 case MachinePlaysWhite:
12803 case MachinePlaysBlack:
12804 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12805 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12809 case BeginningOfGame:
12810 case PlayFromGameFile:
12813 if (gameMode != EditGame) return;
12816 EditPositionDone(TRUE);
12827 // forwardMostMove = currentMove;
12828 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12830 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12832 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12833 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12834 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12838 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12839 SendToProgram("force\n", &second);
12841 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12844 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12845 if(appData.matchPause>10000 || appData.matchPause<10)
12846 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12847 wait = SubtractTimeMarks(&now, &pauseStart);
12848 if(wait < appData.matchPause) {
12849 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12853 DisplayMessage("", "");
12854 if (startedFromSetupPosition) {
12855 SendBoard(&second, backwardMostMove);
12856 if (appData.debugMode) {
12857 fprintf(debugFP, "Two Machines\n");
12860 for (i = backwardMostMove; i < forwardMostMove; i++) {
12861 SendMoveToProgram(i, &second);
12864 gameMode = TwoMachinesPlay;
12866 ModeHighlight(); // [HGM] logo: this triggers display update of logos
12868 DisplayTwoMachinesTitle();
12870 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12875 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12876 SendToProgram(first.computerString, &first);
12877 if (first.sendName) {
12878 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12879 SendToProgram(buf, &first);
12881 SendToProgram(second.computerString, &second);
12882 if (second.sendName) {
12883 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12884 SendToProgram(buf, &second);
12888 if (!first.sendTime || !second.sendTime) {
12889 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12890 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12892 if (onmove->sendTime) {
12893 if (onmove->useColors) {
12894 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12896 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12898 if (onmove->useColors) {
12899 SendToProgram(onmove->twoMachinesColor, onmove);
12901 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12902 // SendToProgram("go\n", onmove);
12903 onmove->maybeThinking = TRUE;
12904 SetMachineThinkingEnables();
12908 if(bookHit) { // [HGM] book: simulate book reply
12909 static char bookMove[MSG_SIZ]; // a bit generous?
12911 programStats.nodes = programStats.depth = programStats.time =
12912 programStats.score = programStats.got_only_move = 0;
12913 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12915 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12916 strcat(bookMove, bookHit);
12917 savedMessage = bookMove; // args for deferred call
12918 savedState = onmove;
12919 ScheduleDelayedEvent(DeferredBookMove, 1);
12926 if (gameMode == Training) {
12927 SetTrainingModeOff();
12928 gameMode = PlayFromGameFile;
12929 DisplayMessage("", _("Training mode off"));
12931 gameMode = Training;
12932 animateTraining = appData.animate;
12934 /* make sure we are not already at the end of the game */
12935 if (currentMove < forwardMostMove) {
12936 SetTrainingModeOn();
12937 DisplayMessage("", _("Training mode on"));
12939 gameMode = PlayFromGameFile;
12940 DisplayError(_("Already at end of game"), 0);
12949 if (!appData.icsActive) return;
12950 switch (gameMode) {
12951 case IcsPlayingWhite:
12952 case IcsPlayingBlack:
12955 case BeginningOfGame:
12963 EditPositionDone(TRUE);
12976 gameMode = IcsIdle;
12987 switch (gameMode) {
12989 SetTrainingModeOff();
12991 case MachinePlaysWhite:
12992 case MachinePlaysBlack:
12993 case BeginningOfGame:
12994 SendToProgram("force\n", &first);
12995 SetUserThinkingEnables();
12997 case PlayFromGameFile:
12998 (void) StopLoadGameTimer();
12999 if (gameFileFP != NULL) {
13004 EditPositionDone(TRUE);
13009 SendToProgram("force\n", &first);
13011 case TwoMachinesPlay:
13012 GameEnds(EndOfFile, NULL, GE_PLAYER);
13013 ResurrectChessProgram();
13014 SetUserThinkingEnables();
13017 ResurrectChessProgram();
13019 case IcsPlayingBlack:
13020 case IcsPlayingWhite:
13021 DisplayError(_("Warning: You are still playing a game"), 0);
13024 DisplayError(_("Warning: You are still observing a game"), 0);
13027 DisplayError(_("Warning: You are still examining a game"), 0);
13038 first.offeredDraw = second.offeredDraw = 0;
13040 if (gameMode == PlayFromGameFile) {
13041 whiteTimeRemaining = timeRemaining[0][currentMove];
13042 blackTimeRemaining = timeRemaining[1][currentMove];
13046 if (gameMode == MachinePlaysWhite ||
13047 gameMode == MachinePlaysBlack ||
13048 gameMode == TwoMachinesPlay ||
13049 gameMode == EndOfGame) {
13050 i = forwardMostMove;
13051 while (i > currentMove) {
13052 SendToProgram("undo\n", &first);
13055 whiteTimeRemaining = timeRemaining[0][currentMove];
13056 blackTimeRemaining = timeRemaining[1][currentMove];
13057 DisplayBothClocks();
13058 if (whiteFlag || blackFlag) {
13059 whiteFlag = blackFlag = 0;
13064 gameMode = EditGame;
13071 EditPositionEvent()
13073 if (gameMode == EditPosition) {
13079 if (gameMode != EditGame) return;
13081 gameMode = EditPosition;
13084 if (currentMove > 0)
13085 CopyBoard(boards[0], boards[currentMove]);
13087 blackPlaysFirst = !WhiteOnMove(currentMove);
13089 currentMove = forwardMostMove = backwardMostMove = 0;
13090 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13097 /* [DM] icsEngineAnalyze - possible call from other functions */
13098 if (appData.icsEngineAnalyze) {
13099 appData.icsEngineAnalyze = FALSE;
13101 DisplayMessage("",_("Close ICS engine analyze..."));
13103 if (first.analysisSupport && first.analyzing) {
13104 SendToProgram("exit\n", &first);
13105 first.analyzing = FALSE;
13107 thinkOutput[0] = NULLCHAR;
13111 EditPositionDone(Boolean fakeRights)
13113 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13115 startedFromSetupPosition = TRUE;
13116 InitChessProgram(&first, FALSE);
13117 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13118 boards[0][EP_STATUS] = EP_NONE;
13119 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13120 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13121 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13122 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13123 } else boards[0][CASTLING][2] = NoRights;
13124 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13125 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13126 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13127 } else boards[0][CASTLING][5] = NoRights;
13129 SendToProgram("force\n", &first);
13130 if (blackPlaysFirst) {
13131 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13132 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13133 currentMove = forwardMostMove = backwardMostMove = 1;
13134 CopyBoard(boards[1], boards[0]);
13136 currentMove = forwardMostMove = backwardMostMove = 0;
13138 SendBoard(&first, forwardMostMove);
13139 if (appData.debugMode) {
13140 fprintf(debugFP, "EditPosDone\n");
13143 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13144 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13145 gameMode = EditGame;
13147 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13148 ClearHighlights(); /* [AS] */
13151 /* Pause for `ms' milliseconds */
13152 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13162 } while (SubtractTimeMarks(&m2, &m1) < ms);
13165 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13167 SendMultiLineToICS(buf)
13170 char temp[MSG_SIZ+1], *p;
13177 strncpy(temp, buf, len);
13182 if (*p == '\n' || *p == '\r')
13187 strcat(temp, "\n");
13189 SendToPlayer(temp, strlen(temp));
13193 SetWhiteToPlayEvent()
13195 if (gameMode == EditPosition) {
13196 blackPlaysFirst = FALSE;
13197 DisplayBothClocks(); /* works because currentMove is 0 */
13198 } else if (gameMode == IcsExamining) {
13199 SendToICS(ics_prefix);
13200 SendToICS("tomove white\n");
13205 SetBlackToPlayEvent()
13207 if (gameMode == EditPosition) {
13208 blackPlaysFirst = TRUE;
13209 currentMove = 1; /* kludge */
13210 DisplayBothClocks();
13212 } else if (gameMode == IcsExamining) {
13213 SendToICS(ics_prefix);
13214 SendToICS("tomove black\n");
13219 EditPositionMenuEvent(selection, x, y)
13220 ChessSquare selection;
13224 ChessSquare piece = boards[0][y][x];
13226 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13228 switch (selection) {
13230 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13231 SendToICS(ics_prefix);
13232 SendToICS("bsetup clear\n");
13233 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13234 SendToICS(ics_prefix);
13235 SendToICS("clearboard\n");
13237 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13238 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13239 for (y = 0; y < BOARD_HEIGHT; y++) {
13240 if (gameMode == IcsExamining) {
13241 if (boards[currentMove][y][x] != EmptySquare) {
13242 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13247 boards[0][y][x] = p;
13252 if (gameMode == EditPosition) {
13253 DrawPosition(FALSE, boards[0]);
13258 SetWhiteToPlayEvent();
13262 SetBlackToPlayEvent();
13266 if (gameMode == IcsExamining) {
13267 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13268 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13271 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13272 if(x == BOARD_LEFT-2) {
13273 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13274 boards[0][y][1] = 0;
13276 if(x == BOARD_RGHT+1) {
13277 if(y >= gameInfo.holdingsSize) break;
13278 boards[0][y][BOARD_WIDTH-2] = 0;
13281 boards[0][y][x] = EmptySquare;
13282 DrawPosition(FALSE, boards[0]);
13287 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13288 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13289 selection = (ChessSquare) (PROMOTED piece);
13290 } else if(piece == EmptySquare) selection = WhiteSilver;
13291 else selection = (ChessSquare)((int)piece - 1);
13295 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13296 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13297 selection = (ChessSquare) (DEMOTED piece);
13298 } else if(piece == EmptySquare) selection = BlackSilver;
13299 else selection = (ChessSquare)((int)piece + 1);
13304 if(gameInfo.variant == VariantShatranj ||
13305 gameInfo.variant == VariantXiangqi ||
13306 gameInfo.variant == VariantCourier ||
13307 gameInfo.variant == VariantMakruk )
13308 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13313 if(gameInfo.variant == VariantXiangqi)
13314 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13315 if(gameInfo.variant == VariantKnightmate)
13316 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13319 if (gameMode == IcsExamining) {
13320 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13321 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13322 PieceToChar(selection), AAA + x, ONE + y);
13325 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13327 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13328 n = PieceToNumber(selection - BlackPawn);
13329 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13330 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13331 boards[0][BOARD_HEIGHT-1-n][1]++;
13333 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13334 n = PieceToNumber(selection);
13335 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13336 boards[0][n][BOARD_WIDTH-1] = selection;
13337 boards[0][n][BOARD_WIDTH-2]++;
13340 boards[0][y][x] = selection;
13341 DrawPosition(TRUE, boards[0]);
13349 DropMenuEvent(selection, x, y)
13350 ChessSquare selection;
13353 ChessMove moveType;
13355 switch (gameMode) {
13356 case IcsPlayingWhite:
13357 case MachinePlaysBlack:
13358 if (!WhiteOnMove(currentMove)) {
13359 DisplayMoveError(_("It is Black's turn"));
13362 moveType = WhiteDrop;
13364 case IcsPlayingBlack:
13365 case MachinePlaysWhite:
13366 if (WhiteOnMove(currentMove)) {
13367 DisplayMoveError(_("It is White's turn"));
13370 moveType = BlackDrop;
13373 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13379 if (moveType == BlackDrop && selection < BlackPawn) {
13380 selection = (ChessSquare) ((int) selection
13381 + (int) BlackPawn - (int) WhitePawn);
13383 if (boards[currentMove][y][x] != EmptySquare) {
13384 DisplayMoveError(_("That square is occupied"));
13388 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13394 /* Accept a pending offer of any kind from opponent */
13396 if (appData.icsActive) {
13397 SendToICS(ics_prefix);
13398 SendToICS("accept\n");
13399 } else if (cmailMsgLoaded) {
13400 if (currentMove == cmailOldMove &&
13401 commentList[cmailOldMove] != NULL &&
13402 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13403 "Black offers a draw" : "White offers a draw")) {
13405 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13406 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13408 DisplayError(_("There is no pending offer on this move"), 0);
13409 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13412 /* Not used for offers from chess program */
13419 /* Decline a pending offer of any kind from opponent */
13421 if (appData.icsActive) {
13422 SendToICS(ics_prefix);
13423 SendToICS("decline\n");
13424 } else if (cmailMsgLoaded) {
13425 if (currentMove == cmailOldMove &&
13426 commentList[cmailOldMove] != NULL &&
13427 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13428 "Black offers a draw" : "White offers a draw")) {
13430 AppendComment(cmailOldMove, "Draw declined", TRUE);
13431 DisplayComment(cmailOldMove - 1, "Draw declined");
13434 DisplayError(_("There is no pending offer on this move"), 0);
13437 /* Not used for offers from chess program */
13444 /* Issue ICS rematch command */
13445 if (appData.icsActive) {
13446 SendToICS(ics_prefix);
13447 SendToICS("rematch\n");
13454 /* Call your opponent's flag (claim a win on time) */
13455 if (appData.icsActive) {
13456 SendToICS(ics_prefix);
13457 SendToICS("flag\n");
13459 switch (gameMode) {
13462 case MachinePlaysWhite:
13465 GameEnds(GameIsDrawn, "Both players ran out of time",
13468 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13470 DisplayError(_("Your opponent is not out of time"), 0);
13473 case MachinePlaysBlack:
13476 GameEnds(GameIsDrawn, "Both players ran out of time",
13479 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13481 DisplayError(_("Your opponent is not out of time"), 0);
13489 ClockClick(int which)
13490 { // [HGM] code moved to back-end from winboard.c
13491 if(which) { // black clock
13492 if (gameMode == EditPosition || gameMode == IcsExamining) {
13493 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13494 SetBlackToPlayEvent();
13495 } else if (gameMode == EditGame || shiftKey) {
13496 AdjustClock(which, -1);
13497 } else if (gameMode == IcsPlayingWhite ||
13498 gameMode == MachinePlaysBlack) {
13501 } else { // white clock
13502 if (gameMode == EditPosition || gameMode == IcsExamining) {
13503 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13504 SetWhiteToPlayEvent();
13505 } else if (gameMode == EditGame || shiftKey) {
13506 AdjustClock(which, -1);
13507 } else if (gameMode == IcsPlayingBlack ||
13508 gameMode == MachinePlaysWhite) {
13517 /* Offer draw or accept pending draw offer from opponent */
13519 if (appData.icsActive) {
13520 /* Note: tournament rules require draw offers to be
13521 made after you make your move but before you punch
13522 your clock. Currently ICS doesn't let you do that;
13523 instead, you immediately punch your clock after making
13524 a move, but you can offer a draw at any time. */
13526 SendToICS(ics_prefix);
13527 SendToICS("draw\n");
13528 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13529 } else if (cmailMsgLoaded) {
13530 if (currentMove == cmailOldMove &&
13531 commentList[cmailOldMove] != NULL &&
13532 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13533 "Black offers a draw" : "White offers a draw")) {
13534 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13535 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13536 } else if (currentMove == cmailOldMove + 1) {
13537 char *offer = WhiteOnMove(cmailOldMove) ?
13538 "White offers a draw" : "Black offers a draw";
13539 AppendComment(currentMove, offer, TRUE);
13540 DisplayComment(currentMove - 1, offer);
13541 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13543 DisplayError(_("You must make your move before offering a draw"), 0);
13544 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13546 } else if (first.offeredDraw) {
13547 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13549 if (first.sendDrawOffers) {
13550 SendToProgram("draw\n", &first);
13551 userOfferedDraw = TRUE;
13559 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13561 if (appData.icsActive) {
13562 SendToICS(ics_prefix);
13563 SendToICS("adjourn\n");
13565 /* Currently GNU Chess doesn't offer or accept Adjourns */
13573 /* Offer Abort or accept pending Abort offer from opponent */
13575 if (appData.icsActive) {
13576 SendToICS(ics_prefix);
13577 SendToICS("abort\n");
13579 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13586 /* Resign. You can do this even if it's not your turn. */
13588 if (appData.icsActive) {
13589 SendToICS(ics_prefix);
13590 SendToICS("resign\n");
13592 switch (gameMode) {
13593 case MachinePlaysWhite:
13594 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13596 case MachinePlaysBlack:
13597 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13600 if (cmailMsgLoaded) {
13602 if (WhiteOnMove(cmailOldMove)) {
13603 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13605 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13607 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13618 StopObservingEvent()
13620 /* Stop observing current games */
13621 SendToICS(ics_prefix);
13622 SendToICS("unobserve\n");
13626 StopExaminingEvent()
13628 /* Stop observing current game */
13629 SendToICS(ics_prefix);
13630 SendToICS("unexamine\n");
13634 ForwardInner(target)
13639 if (appData.debugMode)
13640 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13641 target, currentMove, forwardMostMove);
13643 if (gameMode == EditPosition)
13646 if (gameMode == PlayFromGameFile && !pausing)
13649 if (gameMode == IcsExamining && pausing)
13650 limit = pauseExamForwardMostMove;
13652 limit = forwardMostMove;
13654 if (target > limit) target = limit;
13656 if (target > 0 && moveList[target - 1][0]) {
13657 int fromX, fromY, toX, toY;
13658 toX = moveList[target - 1][2] - AAA;
13659 toY = moveList[target - 1][3] - ONE;
13660 if (moveList[target - 1][1] == '@') {
13661 if (appData.highlightLastMove) {
13662 SetHighlights(-1, -1, toX, toY);
13665 fromX = moveList[target - 1][0] - AAA;
13666 fromY = moveList[target - 1][1] - ONE;
13667 if (target == currentMove + 1) {
13668 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13670 if (appData.highlightLastMove) {
13671 SetHighlights(fromX, fromY, toX, toY);
13675 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13676 gameMode == Training || gameMode == PlayFromGameFile ||
13677 gameMode == AnalyzeFile) {
13678 while (currentMove < target) {
13679 SendMoveToProgram(currentMove++, &first);
13682 currentMove = target;
13685 if (gameMode == EditGame || gameMode == EndOfGame) {
13686 whiteTimeRemaining = timeRemaining[0][currentMove];
13687 blackTimeRemaining = timeRemaining[1][currentMove];
13689 DisplayBothClocks();
13690 DisplayMove(currentMove - 1);
13691 DrawPosition(FALSE, boards[currentMove]);
13692 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13693 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13694 DisplayComment(currentMove - 1, commentList[currentMove]);
13696 DisplayBook(currentMove);
13703 if (gameMode == IcsExamining && !pausing) {
13704 SendToICS(ics_prefix);
13705 SendToICS("forward\n");
13707 ForwardInner(currentMove + 1);
13714 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13715 /* to optimze, we temporarily turn off analysis mode while we feed
13716 * the remaining moves to the engine. Otherwise we get analysis output
13719 if (first.analysisSupport) {
13720 SendToProgram("exit\nforce\n", &first);
13721 first.analyzing = FALSE;
13725 if (gameMode == IcsExamining && !pausing) {
13726 SendToICS(ics_prefix);
13727 SendToICS("forward 999999\n");
13729 ForwardInner(forwardMostMove);
13732 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13733 /* we have fed all the moves, so reactivate analysis mode */
13734 SendToProgram("analyze\n", &first);
13735 first.analyzing = TRUE;
13736 /*first.maybeThinking = TRUE;*/
13737 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13742 BackwardInner(target)
13745 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13747 if (appData.debugMode)
13748 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13749 target, currentMove, forwardMostMove);
13751 if (gameMode == EditPosition) return;
13752 if (currentMove <= backwardMostMove) {
13754 DrawPosition(full_redraw, boards[currentMove]);
13757 if (gameMode == PlayFromGameFile && !pausing)
13760 if (moveList[target][0]) {
13761 int fromX, fromY, toX, toY;
13762 toX = moveList[target][2] - AAA;
13763 toY = moveList[target][3] - ONE;
13764 if (moveList[target][1] == '@') {
13765 if (appData.highlightLastMove) {
13766 SetHighlights(-1, -1, toX, toY);
13769 fromX = moveList[target][0] - AAA;
13770 fromY = moveList[target][1] - ONE;
13771 if (target == currentMove - 1) {
13772 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13774 if (appData.highlightLastMove) {
13775 SetHighlights(fromX, fromY, toX, toY);
13779 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13780 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13781 while (currentMove > target) {
13782 SendToProgram("undo\n", &first);
13786 currentMove = target;
13789 if (gameMode == EditGame || gameMode == EndOfGame) {
13790 whiteTimeRemaining = timeRemaining[0][currentMove];
13791 blackTimeRemaining = timeRemaining[1][currentMove];
13793 DisplayBothClocks();
13794 DisplayMove(currentMove - 1);
13795 DrawPosition(full_redraw, boards[currentMove]);
13796 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13797 // [HGM] PV info: routine tests if comment empty
13798 DisplayComment(currentMove - 1, commentList[currentMove]);
13799 DisplayBook(currentMove);
13805 if (gameMode == IcsExamining && !pausing) {
13806 SendToICS(ics_prefix);
13807 SendToICS("backward\n");
13809 BackwardInner(currentMove - 1);
13816 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13817 /* to optimize, we temporarily turn off analysis mode while we undo
13818 * all the moves. Otherwise we get analysis output after each undo.
13820 if (first.analysisSupport) {
13821 SendToProgram("exit\nforce\n", &first);
13822 first.analyzing = FALSE;
13826 if (gameMode == IcsExamining && !pausing) {
13827 SendToICS(ics_prefix);
13828 SendToICS("backward 999999\n");
13830 BackwardInner(backwardMostMove);
13833 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13834 /* we have fed all the moves, so reactivate analysis mode */
13835 SendToProgram("analyze\n", &first);
13836 first.analyzing = TRUE;
13837 /*first.maybeThinking = TRUE;*/
13838 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13845 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13846 if (to >= forwardMostMove) to = forwardMostMove;
13847 if (to <= backwardMostMove) to = backwardMostMove;
13848 if (to < currentMove) {
13856 RevertEvent(Boolean annotate)
13858 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13861 if (gameMode != IcsExamining) {
13862 DisplayError(_("You are not examining a game"), 0);
13866 DisplayError(_("You can't revert while pausing"), 0);
13869 SendToICS(ics_prefix);
13870 SendToICS("revert\n");
13876 switch (gameMode) {
13877 case MachinePlaysWhite:
13878 case MachinePlaysBlack:
13879 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13880 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13883 if (forwardMostMove < 2) return;
13884 currentMove = forwardMostMove = forwardMostMove - 2;
13885 whiteTimeRemaining = timeRemaining[0][currentMove];
13886 blackTimeRemaining = timeRemaining[1][currentMove];
13887 DisplayBothClocks();
13888 DisplayMove(currentMove - 1);
13889 ClearHighlights();/*!! could figure this out*/
13890 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13891 SendToProgram("remove\n", &first);
13892 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13895 case BeginningOfGame:
13899 case IcsPlayingWhite:
13900 case IcsPlayingBlack:
13901 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13902 SendToICS(ics_prefix);
13903 SendToICS("takeback 2\n");
13905 SendToICS(ics_prefix);
13906 SendToICS("takeback 1\n");
13915 ChessProgramState *cps;
13917 switch (gameMode) {
13918 case MachinePlaysWhite:
13919 if (!WhiteOnMove(forwardMostMove)) {
13920 DisplayError(_("It is your turn"), 0);
13925 case MachinePlaysBlack:
13926 if (WhiteOnMove(forwardMostMove)) {
13927 DisplayError(_("It is your turn"), 0);
13932 case TwoMachinesPlay:
13933 if (WhiteOnMove(forwardMostMove) ==
13934 (first.twoMachinesColor[0] == 'w')) {
13940 case BeginningOfGame:
13944 SendToProgram("?\n", cps);
13948 TruncateGameEvent()
13951 if (gameMode != EditGame) return;
13958 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13959 if (forwardMostMove > currentMove) {
13960 if (gameInfo.resultDetails != NULL) {
13961 free(gameInfo.resultDetails);
13962 gameInfo.resultDetails = NULL;
13963 gameInfo.result = GameUnfinished;
13965 forwardMostMove = currentMove;
13966 HistorySet(parseList, backwardMostMove, forwardMostMove,
13974 if (appData.noChessProgram) return;
13975 switch (gameMode) {
13976 case MachinePlaysWhite:
13977 if (WhiteOnMove(forwardMostMove)) {
13978 DisplayError(_("Wait until your turn"), 0);
13982 case BeginningOfGame:
13983 case MachinePlaysBlack:
13984 if (!WhiteOnMove(forwardMostMove)) {
13985 DisplayError(_("Wait until your turn"), 0);
13990 DisplayError(_("No hint available"), 0);
13993 SendToProgram("hint\n", &first);
13994 hintRequested = TRUE;
14000 if (appData.noChessProgram) return;
14001 switch (gameMode) {
14002 case MachinePlaysWhite:
14003 if (WhiteOnMove(forwardMostMove)) {
14004 DisplayError(_("Wait until your turn"), 0);
14008 case BeginningOfGame:
14009 case MachinePlaysBlack:
14010 if (!WhiteOnMove(forwardMostMove)) {
14011 DisplayError(_("Wait until your turn"), 0);
14016 EditPositionDone(TRUE);
14018 case TwoMachinesPlay:
14023 SendToProgram("bk\n", &first);
14024 bookOutput[0] = NULLCHAR;
14025 bookRequested = TRUE;
14031 char *tags = PGNTags(&gameInfo);
14032 TagsPopUp(tags, CmailMsg());
14036 /* end button procedures */
14039 PrintPosition(fp, move)
14045 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14046 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14047 char c = PieceToChar(boards[move][i][j]);
14048 fputc(c == 'x' ? '.' : c, fp);
14049 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14052 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14053 fprintf(fp, "white to play\n");
14055 fprintf(fp, "black to play\n");
14062 if (gameInfo.white != NULL) {
14063 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14069 /* Find last component of program's own name, using some heuristics */
14071 TidyProgramName(prog, host, buf)
14072 char *prog, *host, buf[MSG_SIZ];
14075 int local = (strcmp(host, "localhost") == 0);
14076 while (!local && (p = strchr(prog, ';')) != NULL) {
14078 while (*p == ' ') p++;
14081 if (*prog == '"' || *prog == '\'') {
14082 q = strchr(prog + 1, *prog);
14084 q = strchr(prog, ' ');
14086 if (q == NULL) q = prog + strlen(prog);
14088 while (p >= prog && *p != '/' && *p != '\\') p--;
14090 if(p == prog && *p == '"') p++;
14091 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14092 memcpy(buf, p, q - p);
14093 buf[q - p] = NULLCHAR;
14101 TimeControlTagValue()
14104 if (!appData.clockMode) {
14105 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14106 } else if (movesPerSession > 0) {
14107 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14108 } else if (timeIncrement == 0) {
14109 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14111 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14113 return StrSave(buf);
14119 /* This routine is used only for certain modes */
14120 VariantClass v = gameInfo.variant;
14121 ChessMove r = GameUnfinished;
14124 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14125 r = gameInfo.result;
14126 p = gameInfo.resultDetails;
14127 gameInfo.resultDetails = NULL;
14129 ClearGameInfo(&gameInfo);
14130 gameInfo.variant = v;
14132 switch (gameMode) {
14133 case MachinePlaysWhite:
14134 gameInfo.event = StrSave( appData.pgnEventHeader );
14135 gameInfo.site = StrSave(HostName());
14136 gameInfo.date = PGNDate();
14137 gameInfo.round = StrSave("-");
14138 gameInfo.white = StrSave(first.tidy);
14139 gameInfo.black = StrSave(UserName());
14140 gameInfo.timeControl = TimeControlTagValue();
14143 case MachinePlaysBlack:
14144 gameInfo.event = StrSave( appData.pgnEventHeader );
14145 gameInfo.site = StrSave(HostName());
14146 gameInfo.date = PGNDate();
14147 gameInfo.round = StrSave("-");
14148 gameInfo.white = StrSave(UserName());
14149 gameInfo.black = StrSave(first.tidy);
14150 gameInfo.timeControl = TimeControlTagValue();
14153 case TwoMachinesPlay:
14154 gameInfo.event = StrSave( appData.pgnEventHeader );
14155 gameInfo.site = StrSave(HostName());
14156 gameInfo.date = PGNDate();
14159 snprintf(buf, MSG_SIZ, "%d", roundNr);
14160 gameInfo.round = StrSave(buf);
14162 gameInfo.round = StrSave("-");
14164 if (first.twoMachinesColor[0] == 'w') {
14165 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14166 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14168 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14169 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14171 gameInfo.timeControl = TimeControlTagValue();
14175 gameInfo.event = StrSave("Edited game");
14176 gameInfo.site = StrSave(HostName());
14177 gameInfo.date = PGNDate();
14178 gameInfo.round = StrSave("-");
14179 gameInfo.white = StrSave("-");
14180 gameInfo.black = StrSave("-");
14181 gameInfo.result = r;
14182 gameInfo.resultDetails = p;
14186 gameInfo.event = StrSave("Edited position");
14187 gameInfo.site = StrSave(HostName());
14188 gameInfo.date = PGNDate();
14189 gameInfo.round = StrSave("-");
14190 gameInfo.white = StrSave("-");
14191 gameInfo.black = StrSave("-");
14194 case IcsPlayingWhite:
14195 case IcsPlayingBlack:
14200 case PlayFromGameFile:
14201 gameInfo.event = StrSave("Game from non-PGN file");
14202 gameInfo.site = StrSave(HostName());
14203 gameInfo.date = PGNDate();
14204 gameInfo.round = StrSave("-");
14205 gameInfo.white = StrSave("?");
14206 gameInfo.black = StrSave("?");
14215 ReplaceComment(index, text)
14223 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14224 pvInfoList[index-1].depth == len &&
14225 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14226 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14227 while (*text == '\n') text++;
14228 len = strlen(text);
14229 while (len > 0 && text[len - 1] == '\n') len--;
14231 if (commentList[index] != NULL)
14232 free(commentList[index]);
14235 commentList[index] = NULL;
14238 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14239 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14240 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14241 commentList[index] = (char *) malloc(len + 2);
14242 strncpy(commentList[index], text, len);
14243 commentList[index][len] = '\n';
14244 commentList[index][len + 1] = NULLCHAR;
14246 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14248 commentList[index] = (char *) malloc(len + 7);
14249 safeStrCpy(commentList[index], "{\n", 3);
14250 safeStrCpy(commentList[index]+2, text, len+1);
14251 commentList[index][len+2] = NULLCHAR;
14252 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14253 strcat(commentList[index], "\n}\n");
14267 if (ch == '\r') continue;
14269 } while (ch != '\0');
14273 AppendComment(index, text, addBraces)
14276 Boolean addBraces; // [HGM] braces: tells if we should add {}
14281 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14282 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14285 while (*text == '\n') text++;
14286 len = strlen(text);
14287 while (len > 0 && text[len - 1] == '\n') len--;
14289 if (len == 0) return;
14291 if (commentList[index] != NULL) {
14292 old = commentList[index];
14293 oldlen = strlen(old);
14294 while(commentList[index][oldlen-1] == '\n')
14295 commentList[index][--oldlen] = NULLCHAR;
14296 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14297 safeStrCpy(commentList[index], old, oldlen + len + 6);
14299 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14300 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14301 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14302 while (*text == '\n') { text++; len--; }
14303 commentList[index][--oldlen] = NULLCHAR;
14305 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14306 else strcat(commentList[index], "\n");
14307 strcat(commentList[index], text);
14308 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14309 else strcat(commentList[index], "\n");
14311 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14313 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14314 else commentList[index][0] = NULLCHAR;
14315 strcat(commentList[index], text);
14316 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14317 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14321 static char * FindStr( char * text, char * sub_text )
14323 char * result = strstr( text, sub_text );
14325 if( result != NULL ) {
14326 result += strlen( sub_text );
14332 /* [AS] Try to extract PV info from PGN comment */
14333 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14334 char *GetInfoFromComment( int index, char * text )
14336 char * sep = text, *p;
14338 if( text != NULL && index > 0 ) {
14341 int time = -1, sec = 0, deci;
14342 char * s_eval = FindStr( text, "[%eval " );
14343 char * s_emt = FindStr( text, "[%emt " );
14345 if( s_eval != NULL || s_emt != NULL ) {
14349 if( s_eval != NULL ) {
14350 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14354 if( delim != ']' ) {
14359 if( s_emt != NULL ) {
14364 /* We expect something like: [+|-]nnn.nn/dd */
14367 if(*text != '{') return text; // [HGM] braces: must be normal comment
14369 sep = strchr( text, '/' );
14370 if( sep == NULL || sep < (text+4) ) {
14375 if(p[1] == '(') { // comment starts with PV
14376 p = strchr(p, ')'); // locate end of PV
14377 if(p == NULL || sep < p+5) return text;
14378 // at this point we have something like "{(.*) +0.23/6 ..."
14379 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14380 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14381 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14383 time = -1; sec = -1; deci = -1;
14384 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14385 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14386 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14387 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14391 if( score_lo < 0 || score_lo >= 100 ) {
14395 if(sec >= 0) time = 600*time + 10*sec; else
14396 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14398 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14400 /* [HGM] PV time: now locate end of PV info */
14401 while( *++sep >= '0' && *sep <= '9'); // strip depth
14403 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14405 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14407 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14408 while(*sep == ' ') sep++;
14419 pvInfoList[index-1].depth = depth;
14420 pvInfoList[index-1].score = score;
14421 pvInfoList[index-1].time = 10*time; // centi-sec
14422 if(*sep == '}') *sep = 0; else *--sep = '{';
14423 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14429 SendToProgram(message, cps)
14431 ChessProgramState *cps;
14433 int count, outCount, error;
14436 if (cps->pr == NULL) return;
14439 if (appData.debugMode) {
14442 fprintf(debugFP, "%ld >%-6s: %s",
14443 SubtractTimeMarks(&now, &programStartTime),
14444 cps->which, message);
14447 count = strlen(message);
14448 outCount = OutputToProcess(cps->pr, message, count, &error);
14449 if (outCount < count && !exiting
14450 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14451 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14452 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14453 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14454 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14455 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14456 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14457 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14459 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14460 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14461 gameInfo.result = res;
14463 gameInfo.resultDetails = StrSave(buf);
14465 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14466 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14471 ReceiveFromProgram(isr, closure, message, count, error)
14472 InputSourceRef isr;
14480 ChessProgramState *cps = (ChessProgramState *)closure;
14482 if (isr != cps->isr) return; /* Killed intentionally */
14485 RemoveInputSource(cps->isr);
14486 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14487 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14488 _(cps->which), cps->program);
14489 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14490 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14491 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14492 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14493 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14495 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14496 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14497 gameInfo.result = res;
14499 gameInfo.resultDetails = StrSave(buf);
14501 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14502 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14504 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14505 _(cps->which), cps->program);
14506 RemoveInputSource(cps->isr);
14508 /* [AS] Program is misbehaving badly... kill it */
14509 if( count == -2 ) {
14510 DestroyChildProcess( cps->pr, 9 );
14514 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14519 if ((end_str = strchr(message, '\r')) != NULL)
14520 *end_str = NULLCHAR;
14521 if ((end_str = strchr(message, '\n')) != NULL)
14522 *end_str = NULLCHAR;
14524 if (appData.debugMode) {
14525 TimeMark now; int print = 1;
14526 char *quote = ""; char c; int i;
14528 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14529 char start = message[0];
14530 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14531 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14532 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14533 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14534 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14535 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14536 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14537 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14538 sscanf(message, "hint: %c", &c)!=1 &&
14539 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14540 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14541 print = (appData.engineComments >= 2);
14543 message[0] = start; // restore original message
14547 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14548 SubtractTimeMarks(&now, &programStartTime), cps->which,
14554 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14555 if (appData.icsEngineAnalyze) {
14556 if (strstr(message, "whisper") != NULL ||
14557 strstr(message, "kibitz") != NULL ||
14558 strstr(message, "tellics") != NULL) return;
14561 HandleMachineMove(message, cps);
14566 SendTimeControl(cps, mps, tc, inc, sd, st)
14567 ChessProgramState *cps;
14568 int mps, inc, sd, st;
14574 if( timeControl_2 > 0 ) {
14575 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14576 tc = timeControl_2;
14579 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14580 inc /= cps->timeOdds;
14581 st /= cps->timeOdds;
14583 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14586 /* Set exact time per move, normally using st command */
14587 if (cps->stKludge) {
14588 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14590 if (seconds == 0) {
14591 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14593 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14596 snprintf(buf, MSG_SIZ, "st %d\n", st);
14599 /* Set conventional or incremental time control, using level command */
14600 if (seconds == 0) {
14601 /* Note old gnuchess bug -- minutes:seconds used to not work.
14602 Fixed in later versions, but still avoid :seconds
14603 when seconds is 0. */
14604 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14606 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14607 seconds, inc/1000.);
14610 SendToProgram(buf, cps);
14612 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14613 /* Orthogonally, limit search to given depth */
14615 if (cps->sdKludge) {
14616 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14618 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14620 SendToProgram(buf, cps);
14623 if(cps->nps >= 0) { /* [HGM] nps */
14624 if(cps->supportsNPS == FALSE)
14625 cps->nps = -1; // don't use if engine explicitly says not supported!
14627 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14628 SendToProgram(buf, cps);
14633 ChessProgramState *WhitePlayer()
14634 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14636 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14637 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14643 SendTimeRemaining(cps, machineWhite)
14644 ChessProgramState *cps;
14645 int /*boolean*/ machineWhite;
14647 char message[MSG_SIZ];
14650 /* Note: this routine must be called when the clocks are stopped
14651 or when they have *just* been set or switched; otherwise
14652 it will be off by the time since the current tick started.
14654 if (machineWhite) {
14655 time = whiteTimeRemaining / 10;
14656 otime = blackTimeRemaining / 10;
14658 time = blackTimeRemaining / 10;
14659 otime = whiteTimeRemaining / 10;
14661 /* [HGM] translate opponent's time by time-odds factor */
14662 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14663 if (appData.debugMode) {
14664 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14667 if (time <= 0) time = 1;
14668 if (otime <= 0) otime = 1;
14670 snprintf(message, MSG_SIZ, "time %ld\n", time);
14671 SendToProgram(message, cps);
14673 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14674 SendToProgram(message, cps);
14678 BoolFeature(p, name, loc, cps)
14682 ChessProgramState *cps;
14685 int len = strlen(name);
14688 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14690 sscanf(*p, "%d", &val);
14692 while (**p && **p != ' ')
14694 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14695 SendToProgram(buf, cps);
14702 IntFeature(p, name, loc, cps)
14706 ChessProgramState *cps;
14709 int len = strlen(name);
14710 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14712 sscanf(*p, "%d", loc);
14713 while (**p && **p != ' ') (*p)++;
14714 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14715 SendToProgram(buf, cps);
14722 StringFeature(p, name, loc, cps)
14726 ChessProgramState *cps;
14729 int len = strlen(name);
14730 if (strncmp((*p), name, len) == 0
14731 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14733 sscanf(*p, "%[^\"]", loc);
14734 while (**p && **p != '\"') (*p)++;
14735 if (**p == '\"') (*p)++;
14736 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14737 SendToProgram(buf, cps);
14744 ParseOption(Option *opt, ChessProgramState *cps)
14745 // [HGM] options: process the string that defines an engine option, and determine
14746 // name, type, default value, and allowed value range
14748 char *p, *q, buf[MSG_SIZ];
14749 int n, min = (-1)<<31, max = 1<<31, def;
14751 if(p = strstr(opt->name, " -spin ")) {
14752 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14753 if(max < min) max = min; // enforce consistency
14754 if(def < min) def = min;
14755 if(def > max) def = max;
14760 } else if((p = strstr(opt->name, " -slider "))) {
14761 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14762 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14763 if(max < min) max = min; // enforce consistency
14764 if(def < min) def = min;
14765 if(def > max) def = max;
14769 opt->type = Spin; // Slider;
14770 } else if((p = strstr(opt->name, " -string "))) {
14771 opt->textValue = p+9;
14772 opt->type = TextBox;
14773 } else if((p = strstr(opt->name, " -file "))) {
14774 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14775 opt->textValue = p+7;
14776 opt->type = FileName; // FileName;
14777 } else if((p = strstr(opt->name, " -path "))) {
14778 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14779 opt->textValue = p+7;
14780 opt->type = PathName; // PathName;
14781 } else if(p = strstr(opt->name, " -check ")) {
14782 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14783 opt->value = (def != 0);
14784 opt->type = CheckBox;
14785 } else if(p = strstr(opt->name, " -combo ")) {
14786 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14787 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14788 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14789 opt->value = n = 0;
14790 while(q = StrStr(q, " /// ")) {
14791 n++; *q = 0; // count choices, and null-terminate each of them
14793 if(*q == '*') { // remember default, which is marked with * prefix
14797 cps->comboList[cps->comboCnt++] = q;
14799 cps->comboList[cps->comboCnt++] = NULL;
14801 opt->type = ComboBox;
14802 } else if(p = strstr(opt->name, " -button")) {
14803 opt->type = Button;
14804 } else if(p = strstr(opt->name, " -save")) {
14805 opt->type = SaveButton;
14806 } else return FALSE;
14807 *p = 0; // terminate option name
14808 // now look if the command-line options define a setting for this engine option.
14809 if(cps->optionSettings && cps->optionSettings[0])
14810 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14811 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14812 snprintf(buf, MSG_SIZ, "option %s", p);
14813 if(p = strstr(buf, ",")) *p = 0;
14814 if(q = strchr(buf, '=')) switch(opt->type) {
14816 for(n=0; n<opt->max; n++)
14817 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14820 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14824 opt->value = atoi(q+1);
14829 SendToProgram(buf, cps);
14835 FeatureDone(cps, val)
14836 ChessProgramState* cps;
14839 DelayedEventCallback cb = GetDelayedEvent();
14840 if ((cb == InitBackEnd3 && cps == &first) ||
14841 (cb == SettingsMenuIfReady && cps == &second) ||
14842 (cb == LoadEngine) ||
14843 (cb == TwoMachinesEventIfReady)) {
14844 CancelDelayedEvent();
14845 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14847 cps->initDone = val;
14850 /* Parse feature command from engine */
14852 ParseFeatures(args, cps)
14854 ChessProgramState *cps;
14862 while (*p == ' ') p++;
14863 if (*p == NULLCHAR) return;
14865 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14866 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14867 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14868 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14869 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14870 if (BoolFeature(&p, "reuse", &val, cps)) {
14871 /* Engine can disable reuse, but can't enable it if user said no */
14872 if (!val) cps->reuse = FALSE;
14875 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14876 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14877 if (gameMode == TwoMachinesPlay) {
14878 DisplayTwoMachinesTitle();
14884 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14885 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14886 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14887 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14888 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14889 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14890 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14891 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14892 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14893 if (IntFeature(&p, "done", &val, cps)) {
14894 FeatureDone(cps, val);
14897 /* Added by Tord: */
14898 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14899 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14900 /* End of additions by Tord */
14902 /* [HGM] added features: */
14903 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14904 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14905 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14906 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14907 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14908 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14909 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14910 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14911 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14912 SendToProgram(buf, cps);
14915 if(cps->nrOptions >= MAX_OPTIONS) {
14917 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14918 DisplayError(buf, 0);
14922 /* End of additions by HGM */
14924 /* unknown feature: complain and skip */
14926 while (*q && *q != '=') q++;
14927 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14928 SendToProgram(buf, cps);
14934 while (*p && *p != '\"') p++;
14935 if (*p == '\"') p++;
14937 while (*p && *p != ' ') p++;
14945 PeriodicUpdatesEvent(newState)
14948 if (newState == appData.periodicUpdates)
14951 appData.periodicUpdates=newState;
14953 /* Display type changes, so update it now */
14954 // DisplayAnalysis();
14956 /* Get the ball rolling again... */
14958 AnalysisPeriodicEvent(1);
14959 StartAnalysisClock();
14964 PonderNextMoveEvent(newState)
14967 if (newState == appData.ponderNextMove) return;
14968 if (gameMode == EditPosition) EditPositionDone(TRUE);
14970 SendToProgram("hard\n", &first);
14971 if (gameMode == TwoMachinesPlay) {
14972 SendToProgram("hard\n", &second);
14975 SendToProgram("easy\n", &first);
14976 thinkOutput[0] = NULLCHAR;
14977 if (gameMode == TwoMachinesPlay) {
14978 SendToProgram("easy\n", &second);
14981 appData.ponderNextMove = newState;
14985 NewSettingEvent(option, feature, command, value)
14987 int option, value, *feature;
14991 if (gameMode == EditPosition) EditPositionDone(TRUE);
14992 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14993 if(feature == NULL || *feature) SendToProgram(buf, &first);
14994 if (gameMode == TwoMachinesPlay) {
14995 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15000 ShowThinkingEvent()
15001 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15003 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15004 int newState = appData.showThinking
15005 // [HGM] thinking: other features now need thinking output as well
15006 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15008 if (oldState == newState) return;
15009 oldState = newState;
15010 if (gameMode == EditPosition) EditPositionDone(TRUE);
15012 SendToProgram("post\n", &first);
15013 if (gameMode == TwoMachinesPlay) {
15014 SendToProgram("post\n", &second);
15017 SendToProgram("nopost\n", &first);
15018 thinkOutput[0] = NULLCHAR;
15019 if (gameMode == TwoMachinesPlay) {
15020 SendToProgram("nopost\n", &second);
15023 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15027 AskQuestionEvent(title, question, replyPrefix, which)
15028 char *title; char *question; char *replyPrefix; char *which;
15030 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15031 if (pr == NoProc) return;
15032 AskQuestion(title, question, replyPrefix, pr);
15036 TypeInEvent(char firstChar)
15038 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
\r
15039 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
\r
15040 gameMode == AnalyzeMode || gameMode == EditGame ||
\r
15041 gameMode == EditPosition || gameMode == IcsExamining ||
\r
15042 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
\r
15043 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
\r
15044 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
\r
15045 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
\r
15046 gameMode == Training) PopUpMoveDialog(firstChar);
15050 TypeInDoneEvent(char *move)
15053 int n, fromX, fromY, toX, toY;
15055 ChessMove moveType;
\r
15058 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
\r
15059 EditPositionPasteFEN(move);
\r
15062 // [HGM] movenum: allow move number to be typed in any mode
\r
15063 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
\r
15064 ToNrEvent(2*n-1);
\r
15068 if (gameMode != EditGame && currentMove != forwardMostMove &&
\r
15069 gameMode != Training) {
\r
15070 DisplayMoveError(_("Displayed move is not current"));
\r
15072 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
15073 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
\r
15074 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
\r
15075 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
15076 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
\r
15077 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
\r
15079 DisplayMoveError(_("Could not parse move"));
\r
15085 DisplayMove(moveNumber)
15088 char message[MSG_SIZ];
15090 char cpThinkOutput[MSG_SIZ];
15092 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15094 if (moveNumber == forwardMostMove - 1 ||
15095 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15097 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15099 if (strchr(cpThinkOutput, '\n')) {
15100 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15103 *cpThinkOutput = NULLCHAR;
15106 /* [AS] Hide thinking from human user */
15107 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15108 *cpThinkOutput = NULLCHAR;
15109 if( thinkOutput[0] != NULLCHAR ) {
15112 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15113 cpThinkOutput[i] = '.';
15115 cpThinkOutput[i] = NULLCHAR;
15116 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15120 if (moveNumber == forwardMostMove - 1 &&
15121 gameInfo.resultDetails != NULL) {
15122 if (gameInfo.resultDetails[0] == NULLCHAR) {
15123 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15125 snprintf(res, MSG_SIZ, " {%s} %s",
15126 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15132 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15133 DisplayMessage(res, cpThinkOutput);
15135 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15136 WhiteOnMove(moveNumber) ? " " : ".. ",
15137 parseList[moveNumber], res);
15138 DisplayMessage(message, cpThinkOutput);
15143 DisplayComment(moveNumber, text)
15147 char title[MSG_SIZ];
15148 char buf[8000]; // comment can be long!
15151 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15152 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15154 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15155 WhiteOnMove(moveNumber) ? " " : ".. ",
15156 parseList[moveNumber]);
15158 // [HGM] PV info: display PV info together with (or as) comment
15159 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
15160 if(text == NULL) text = "";
15161 score = pvInfoList[moveNumber].score;
15162 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
15163 depth, (pvInfoList[moveNumber].time+50)/100, text);
15166 if (text != NULL && (appData.autoDisplayComment || commentUp))
15167 CommentPopUp(title, text);
15170 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15171 * might be busy thinking or pondering. It can be omitted if your
15172 * gnuchess is configured to stop thinking immediately on any user
15173 * input. However, that gnuchess feature depends on the FIONREAD
15174 * ioctl, which does not work properly on some flavors of Unix.
15178 ChessProgramState *cps;
15181 if (!cps->useSigint) return;
15182 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15183 switch (gameMode) {
15184 case MachinePlaysWhite:
15185 case MachinePlaysBlack:
15186 case TwoMachinesPlay:
15187 case IcsPlayingWhite:
15188 case IcsPlayingBlack:
15191 /* Skip if we know it isn't thinking */
15192 if (!cps->maybeThinking) return;
15193 if (appData.debugMode)
15194 fprintf(debugFP, "Interrupting %s\n", cps->which);
15195 InterruptChildProcess(cps->pr);
15196 cps->maybeThinking = FALSE;
15201 #endif /*ATTENTION*/
15207 if (whiteTimeRemaining <= 0) {
15210 if (appData.icsActive) {
15211 if (appData.autoCallFlag &&
15212 gameMode == IcsPlayingBlack && !blackFlag) {
15213 SendToICS(ics_prefix);
15214 SendToICS("flag\n");
15218 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15220 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15221 if (appData.autoCallFlag) {
15222 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15229 if (blackTimeRemaining <= 0) {
15232 if (appData.icsActive) {
15233 if (appData.autoCallFlag &&
15234 gameMode == IcsPlayingWhite && !whiteFlag) {
15235 SendToICS(ics_prefix);
15236 SendToICS("flag\n");
15240 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15242 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15243 if (appData.autoCallFlag) {
15244 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15257 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15258 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15261 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15263 if ( !WhiteOnMove(forwardMostMove) ) {
15264 /* White made time control */
15265 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15266 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15267 /* [HGM] time odds: correct new time quota for time odds! */
15268 / WhitePlayer()->timeOdds;
15269 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15271 lastBlack -= blackTimeRemaining;
15272 /* Black made time control */
15273 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15274 / WhitePlayer()->other->timeOdds;
15275 lastWhite = whiteTimeRemaining;
15280 DisplayBothClocks()
15282 int wom = gameMode == EditPosition ?
15283 !blackPlaysFirst : WhiteOnMove(currentMove);
15284 DisplayWhiteClock(whiteTimeRemaining, wom);
15285 DisplayBlackClock(blackTimeRemaining, !wom);
15289 /* Timekeeping seems to be a portability nightmare. I think everyone
15290 has ftime(), but I'm really not sure, so I'm including some ifdefs
15291 to use other calls if you don't. Clocks will be less accurate if
15292 you have neither ftime nor gettimeofday.
15295 /* VS 2008 requires the #include outside of the function */
15296 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15297 #include <sys/timeb.h>
15300 /* Get the current time as a TimeMark */
15305 #if HAVE_GETTIMEOFDAY
15307 struct timeval timeVal;
15308 struct timezone timeZone;
15310 gettimeofday(&timeVal, &timeZone);
15311 tm->sec = (long) timeVal.tv_sec;
15312 tm->ms = (int) (timeVal.tv_usec / 1000L);
15314 #else /*!HAVE_GETTIMEOFDAY*/
15317 // include <sys/timeb.h> / moved to just above start of function
15318 struct timeb timeB;
15321 tm->sec = (long) timeB.time;
15322 tm->ms = (int) timeB.millitm;
15324 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15325 tm->sec = (long) time(NULL);
15331 /* Return the difference in milliseconds between two
15332 time marks. We assume the difference will fit in a long!
15335 SubtractTimeMarks(tm2, tm1)
15336 TimeMark *tm2, *tm1;
15338 return 1000L*(tm2->sec - tm1->sec) +
15339 (long) (tm2->ms - tm1->ms);
15344 * Code to manage the game clocks.
15346 * In tournament play, black starts the clock and then white makes a move.
15347 * We give the human user a slight advantage if he is playing white---the
15348 * clocks don't run until he makes his first move, so it takes zero time.
15349 * Also, we don't account for network lag, so we could get out of sync
15350 * with GNU Chess's clock -- but then, referees are always right.
15353 static TimeMark tickStartTM;
15354 static long intendedTickLength;
15357 NextTickLength(timeRemaining)
15358 long timeRemaining;
15360 long nominalTickLength, nextTickLength;
15362 if (timeRemaining > 0L && timeRemaining <= 10000L)
15363 nominalTickLength = 100L;
15365 nominalTickLength = 1000L;
15366 nextTickLength = timeRemaining % nominalTickLength;
15367 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15369 return nextTickLength;
15372 /* Adjust clock one minute up or down */
15374 AdjustClock(Boolean which, int dir)
15376 if(which) blackTimeRemaining += 60000*dir;
15377 else whiteTimeRemaining += 60000*dir;
15378 DisplayBothClocks();
15381 /* Stop clocks and reset to a fresh time control */
15385 (void) StopClockTimer();
15386 if (appData.icsActive) {
15387 whiteTimeRemaining = blackTimeRemaining = 0;
15388 } else if (searchTime) {
15389 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15390 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15391 } else { /* [HGM] correct new time quote for time odds */
15392 whiteTC = blackTC = fullTimeControlString;
15393 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15394 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15396 if (whiteFlag || blackFlag) {
15398 whiteFlag = blackFlag = FALSE;
15400 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15401 DisplayBothClocks();
15404 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15406 /* Decrement running clock by amount of time that has passed */
15410 long timeRemaining;
15411 long lastTickLength, fudge;
15414 if (!appData.clockMode) return;
15415 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15419 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15421 /* Fudge if we woke up a little too soon */
15422 fudge = intendedTickLength - lastTickLength;
15423 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15425 if (WhiteOnMove(forwardMostMove)) {
15426 if(whiteNPS >= 0) lastTickLength = 0;
15427 timeRemaining = whiteTimeRemaining -= lastTickLength;
15428 if(timeRemaining < 0 && !appData.icsActive) {
15429 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15430 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15431 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15432 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15435 DisplayWhiteClock(whiteTimeRemaining - fudge,
15436 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15438 if(blackNPS >= 0) lastTickLength = 0;
15439 timeRemaining = blackTimeRemaining -= lastTickLength;
15440 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15441 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15443 blackStartMove = forwardMostMove;
15444 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15447 DisplayBlackClock(blackTimeRemaining - fudge,
15448 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15450 if (CheckFlags()) return;
15453 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15454 StartClockTimer(intendedTickLength);
15456 /* if the time remaining has fallen below the alarm threshold, sound the
15457 * alarm. if the alarm has sounded and (due to a takeback or time control
15458 * with increment) the time remaining has increased to a level above the
15459 * threshold, reset the alarm so it can sound again.
15462 if (appData.icsActive && appData.icsAlarm) {
15464 /* make sure we are dealing with the user's clock */
15465 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15466 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15469 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15470 alarmSounded = FALSE;
15471 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15473 alarmSounded = TRUE;
15479 /* A player has just moved, so stop the previously running
15480 clock and (if in clock mode) start the other one.
15481 We redisplay both clocks in case we're in ICS mode, because
15482 ICS gives us an update to both clocks after every move.
15483 Note that this routine is called *after* forwardMostMove
15484 is updated, so the last fractional tick must be subtracted
15485 from the color that is *not* on move now.
15488 SwitchClocks(int newMoveNr)
15490 long lastTickLength;
15492 int flagged = FALSE;
15496 if (StopClockTimer() && appData.clockMode) {
15497 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15498 if (!WhiteOnMove(forwardMostMove)) {
15499 if(blackNPS >= 0) lastTickLength = 0;
15500 blackTimeRemaining -= lastTickLength;
15501 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15502 // if(pvInfoList[forwardMostMove].time == -1)
15503 pvInfoList[forwardMostMove].time = // use GUI time
15504 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15506 if(whiteNPS >= 0) lastTickLength = 0;
15507 whiteTimeRemaining -= lastTickLength;
15508 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15509 // if(pvInfoList[forwardMostMove].time == -1)
15510 pvInfoList[forwardMostMove].time =
15511 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15513 flagged = CheckFlags();
15515 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15516 CheckTimeControl();
15518 if (flagged || !appData.clockMode) return;
15520 switch (gameMode) {
15521 case MachinePlaysBlack:
15522 case MachinePlaysWhite:
15523 case BeginningOfGame:
15524 if (pausing) return;
15528 case PlayFromGameFile:
15536 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15537 if(WhiteOnMove(forwardMostMove))
15538 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15539 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15543 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15544 whiteTimeRemaining : blackTimeRemaining);
15545 StartClockTimer(intendedTickLength);
15549 /* Stop both clocks */
15553 long lastTickLength;
15556 if (!StopClockTimer()) return;
15557 if (!appData.clockMode) return;
15561 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15562 if (WhiteOnMove(forwardMostMove)) {
15563 if(whiteNPS >= 0) lastTickLength = 0;
15564 whiteTimeRemaining -= lastTickLength;
15565 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15567 if(blackNPS >= 0) lastTickLength = 0;
15568 blackTimeRemaining -= lastTickLength;
15569 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15574 /* Start clock of player on move. Time may have been reset, so
15575 if clock is already running, stop and restart it. */
15579 (void) StopClockTimer(); /* in case it was running already */
15580 DisplayBothClocks();
15581 if (CheckFlags()) return;
15583 if (!appData.clockMode) return;
15584 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15586 GetTimeMark(&tickStartTM);
15587 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15588 whiteTimeRemaining : blackTimeRemaining);
15590 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15591 whiteNPS = blackNPS = -1;
15592 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15593 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15594 whiteNPS = first.nps;
15595 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15596 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15597 blackNPS = first.nps;
15598 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15599 whiteNPS = second.nps;
15600 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15601 blackNPS = second.nps;
15602 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15604 StartClockTimer(intendedTickLength);
15611 long second, minute, hour, day;
15613 static char buf[32];
15615 if (ms > 0 && ms <= 9900) {
15616 /* convert milliseconds to tenths, rounding up */
15617 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15619 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15623 /* convert milliseconds to seconds, rounding up */
15624 /* use floating point to avoid strangeness of integer division
15625 with negative dividends on many machines */
15626 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15633 day = second / (60 * 60 * 24);
15634 second = second % (60 * 60 * 24);
15635 hour = second / (60 * 60);
15636 second = second % (60 * 60);
15637 minute = second / 60;
15638 second = second % 60;
15641 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15642 sign, day, hour, minute, second);
15644 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15646 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15653 * This is necessary because some C libraries aren't ANSI C compliant yet.
15656 StrStr(string, match)
15657 char *string, *match;
15661 length = strlen(match);
15663 for (i = strlen(string) - length; i >= 0; i--, string++)
15664 if (!strncmp(match, string, length))
15671 StrCaseStr(string, match)
15672 char *string, *match;
15676 length = strlen(match);
15678 for (i = strlen(string) - length; i >= 0; i--, string++) {
15679 for (j = 0; j < length; j++) {
15680 if (ToLower(match[j]) != ToLower(string[j]))
15683 if (j == length) return string;
15697 c1 = ToLower(*s1++);
15698 c2 = ToLower(*s2++);
15699 if (c1 > c2) return 1;
15700 if (c1 < c2) return -1;
15701 if (c1 == NULLCHAR) return 0;
15710 return isupper(c) ? tolower(c) : c;
15718 return islower(c) ? toupper(c) : c;
15720 #endif /* !_amigados */
15728 if ((ret = (char *) malloc(strlen(s) + 1)))
15730 safeStrCpy(ret, s, strlen(s)+1);
15736 StrSavePtr(s, savePtr)
15737 char *s, **savePtr;
15742 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15743 safeStrCpy(*savePtr, s, strlen(s)+1);
15755 clock = time((time_t *)NULL);
15756 tm = localtime(&clock);
15757 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15758 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15759 return StrSave(buf);
15764 PositionToFEN(move, overrideCastling)
15766 char *overrideCastling;
15768 int i, j, fromX, fromY, toX, toY;
15775 whiteToPlay = (gameMode == EditPosition) ?
15776 !blackPlaysFirst : (move % 2 == 0);
15779 /* Piece placement data */
15780 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15782 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15783 if (boards[move][i][j] == EmptySquare) {
15785 } else { ChessSquare piece = boards[move][i][j];
15786 if (emptycount > 0) {
15787 if(emptycount<10) /* [HGM] can be >= 10 */
15788 *p++ = '0' + emptycount;
15789 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15792 if(PieceToChar(piece) == '+') {
15793 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15795 piece = (ChessSquare)(DEMOTED piece);
15797 *p++ = PieceToChar(piece);
15799 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15800 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15805 if (emptycount > 0) {
15806 if(emptycount<10) /* [HGM] can be >= 10 */
15807 *p++ = '0' + emptycount;
15808 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15815 /* [HGM] print Crazyhouse or Shogi holdings */
15816 if( gameInfo.holdingsWidth ) {
15817 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15819 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15820 piece = boards[move][i][BOARD_WIDTH-1];
15821 if( piece != EmptySquare )
15822 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15823 *p++ = PieceToChar(piece);
15825 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15826 piece = boards[move][BOARD_HEIGHT-i-1][0];
15827 if( piece != EmptySquare )
15828 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15829 *p++ = PieceToChar(piece);
15832 if( q == p ) *p++ = '-';
15838 *p++ = whiteToPlay ? 'w' : 'b';
15841 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15842 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15844 if(nrCastlingRights) {
15846 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15847 /* [HGM] write directly from rights */
15848 if(boards[move][CASTLING][2] != NoRights &&
15849 boards[move][CASTLING][0] != NoRights )
15850 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15851 if(boards[move][CASTLING][2] != NoRights &&
15852 boards[move][CASTLING][1] != NoRights )
15853 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15854 if(boards[move][CASTLING][5] != NoRights &&
15855 boards[move][CASTLING][3] != NoRights )
15856 *p++ = boards[move][CASTLING][3] + AAA;
15857 if(boards[move][CASTLING][5] != NoRights &&
15858 boards[move][CASTLING][4] != NoRights )
15859 *p++ = boards[move][CASTLING][4] + AAA;
15862 /* [HGM] write true castling rights */
15863 if( nrCastlingRights == 6 ) {
15864 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15865 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15866 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15867 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15868 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15869 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15870 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15871 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15874 if (q == p) *p++ = '-'; /* No castling rights */
15878 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15879 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15880 /* En passant target square */
15881 if (move > backwardMostMove) {
15882 fromX = moveList[move - 1][0] - AAA;
15883 fromY = moveList[move - 1][1] - ONE;
15884 toX = moveList[move - 1][2] - AAA;
15885 toY = moveList[move - 1][3] - ONE;
15886 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15887 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15888 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15890 /* 2-square pawn move just happened */
15892 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15896 } else if(move == backwardMostMove) {
15897 // [HGM] perhaps we should always do it like this, and forget the above?
15898 if((signed char)boards[move][EP_STATUS] >= 0) {
15899 *p++ = boards[move][EP_STATUS] + AAA;
15900 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15911 /* [HGM] find reversible plies */
15912 { int i = 0, j=move;
15914 if (appData.debugMode) { int k;
15915 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15916 for(k=backwardMostMove; k<=forwardMostMove; k++)
15917 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15921 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15922 if( j == backwardMostMove ) i += initialRulePlies;
15923 sprintf(p, "%d ", i);
15924 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15926 /* Fullmove number */
15927 sprintf(p, "%d", (move / 2) + 1);
15929 return StrSave(buf);
15933 ParseFEN(board, blackPlaysFirst, fen)
15935 int *blackPlaysFirst;
15945 /* [HGM] by default clear Crazyhouse holdings, if present */
15946 if(gameInfo.holdingsWidth) {
15947 for(i=0; i<BOARD_HEIGHT; i++) {
15948 board[i][0] = EmptySquare; /* black holdings */
15949 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15950 board[i][1] = (ChessSquare) 0; /* black counts */
15951 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15955 /* Piece placement data */
15956 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15959 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15960 if (*p == '/') p++;
15961 emptycount = gameInfo.boardWidth - j;
15962 while (emptycount--)
15963 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15965 #if(BOARD_FILES >= 10)
15966 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15967 p++; emptycount=10;
15968 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15969 while (emptycount--)
15970 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15972 } else if (isdigit(*p)) {
15973 emptycount = *p++ - '0';
15974 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15975 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15976 while (emptycount--)
15977 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15978 } else if (*p == '+' || isalpha(*p)) {
15979 if (j >= gameInfo.boardWidth) return FALSE;
15981 piece = CharToPiece(*++p);
15982 if(piece == EmptySquare) return FALSE; /* unknown piece */
15983 piece = (ChessSquare) (PROMOTED piece ); p++;
15984 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15985 } else piece = CharToPiece(*p++);
15987 if(piece==EmptySquare) return FALSE; /* unknown piece */
15988 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15989 piece = (ChessSquare) (PROMOTED piece);
15990 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15993 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15999 while (*p == '/' || *p == ' ') p++;
16001 /* [HGM] look for Crazyhouse holdings here */
16002 while(*p==' ') p++;
16003 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16005 if(*p == '-' ) p++; /* empty holdings */ else {
16006 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16007 /* if we would allow FEN reading to set board size, we would */
16008 /* have to add holdings and shift the board read so far here */
16009 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16011 if((int) piece >= (int) BlackPawn ) {
16012 i = (int)piece - (int)BlackPawn;
16013 i = PieceToNumber((ChessSquare)i);
16014 if( i >= gameInfo.holdingsSize ) return FALSE;
16015 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16016 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16018 i = (int)piece - (int)WhitePawn;
16019 i = PieceToNumber((ChessSquare)i);
16020 if( i >= gameInfo.holdingsSize ) return FALSE;
16021 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16022 board[i][BOARD_WIDTH-2]++; /* black holdings */
16029 while(*p == ' ') p++;
16033 if(appData.colorNickNames) {
16034 if( c == appData.colorNickNames[0] ) c = 'w'; else
16035 if( c == appData.colorNickNames[1] ) c = 'b';
16039 *blackPlaysFirst = FALSE;
16042 *blackPlaysFirst = TRUE;
16048 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16049 /* return the extra info in global variiables */
16051 /* set defaults in case FEN is incomplete */
16052 board[EP_STATUS] = EP_UNKNOWN;
16053 for(i=0; i<nrCastlingRights; i++ ) {
16054 board[CASTLING][i] =
16055 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16056 } /* assume possible unless obviously impossible */
16057 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16058 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16059 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16060 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16061 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16062 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16063 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16064 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16067 while(*p==' ') p++;
16068 if(nrCastlingRights) {
16069 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16070 /* castling indicator present, so default becomes no castlings */
16071 for(i=0; i<nrCastlingRights; i++ ) {
16072 board[CASTLING][i] = NoRights;
16075 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16076 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16077 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16078 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16079 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16081 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16082 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16083 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16085 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16086 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16087 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16088 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16089 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16090 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16093 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16094 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16095 board[CASTLING][2] = whiteKingFile;
16098 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16099 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16100 board[CASTLING][2] = whiteKingFile;
16103 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16104 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16105 board[CASTLING][5] = blackKingFile;
16108 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16109 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16110 board[CASTLING][5] = blackKingFile;
16113 default: /* FRC castlings */
16114 if(c >= 'a') { /* black rights */
16115 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16116 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16117 if(i == BOARD_RGHT) break;
16118 board[CASTLING][5] = i;
16120 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16121 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16123 board[CASTLING][3] = c;
16125 board[CASTLING][4] = c;
16126 } else { /* white rights */
16127 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16128 if(board[0][i] == WhiteKing) break;
16129 if(i == BOARD_RGHT) break;
16130 board[CASTLING][2] = i;
16131 c -= AAA - 'a' + 'A';
16132 if(board[0][c] >= WhiteKing) break;
16134 board[CASTLING][0] = c;
16136 board[CASTLING][1] = c;
16140 for(i=0; i<nrCastlingRights; i++)
16141 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16142 if (appData.debugMode) {
16143 fprintf(debugFP, "FEN castling rights:");
16144 for(i=0; i<nrCastlingRights; i++)
16145 fprintf(debugFP, " %d", board[CASTLING][i]);
16146 fprintf(debugFP, "\n");
16149 while(*p==' ') p++;
16152 /* read e.p. field in games that know e.p. capture */
16153 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16154 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16156 p++; board[EP_STATUS] = EP_NONE;
16158 char c = *p++ - AAA;
16160 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16161 if(*p >= '0' && *p <='9') p++;
16162 board[EP_STATUS] = c;
16167 if(sscanf(p, "%d", &i) == 1) {
16168 FENrulePlies = i; /* 50-move ply counter */
16169 /* (The move number is still ignored) */
16176 EditPositionPasteFEN(char *fen)
16179 Board initial_position;
16181 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16182 DisplayError(_("Bad FEN position in clipboard"), 0);
16185 int savedBlackPlaysFirst = blackPlaysFirst;
16186 EditPositionEvent();
16187 blackPlaysFirst = savedBlackPlaysFirst;
16188 CopyBoard(boards[0], initial_position);
16189 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16190 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16191 DisplayBothClocks();
16192 DrawPosition(FALSE, boards[currentMove]);
16197 static char cseq[12] = "\\ ";
16199 Boolean set_cont_sequence(char *new_seq)
16204 // handle bad attempts to set the sequence
16206 return 0; // acceptable error - no debug
16208 len = strlen(new_seq);
16209 ret = (len > 0) && (len < sizeof(cseq));
16211 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16212 else if (appData.debugMode)
16213 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16218 reformat a source message so words don't cross the width boundary. internal
16219 newlines are not removed. returns the wrapped size (no null character unless
16220 included in source message). If dest is NULL, only calculate the size required
16221 for the dest buffer. lp argument indicats line position upon entry, and it's
16222 passed back upon exit.
16224 int wrap(char *dest, char *src, int count, int width, int *lp)
16226 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16228 cseq_len = strlen(cseq);
16229 old_line = line = *lp;
16230 ansi = len = clen = 0;
16232 for (i=0; i < count; i++)
16234 if (src[i] == '\033')
16237 // if we hit the width, back up
16238 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16240 // store i & len in case the word is too long
16241 old_i = i, old_len = len;
16243 // find the end of the last word
16244 while (i && src[i] != ' ' && src[i] != '\n')
16250 // word too long? restore i & len before splitting it
16251 if ((old_i-i+clen) >= width)
16258 if (i && src[i-1] == ' ')
16261 if (src[i] != ' ' && src[i] != '\n')
16268 // now append the newline and continuation sequence
16273 strncpy(dest+len, cseq, cseq_len);
16281 dest[len] = src[i];
16285 if (src[i] == '\n')
16290 if (dest && appData.debugMode)
16292 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16293 count, width, line, len, *lp);
16294 show_bytes(debugFP, src, count);
16295 fprintf(debugFP, "\ndest: ");
16296 show_bytes(debugFP, dest, len);
16297 fprintf(debugFP, "\n");
16299 *lp = dest ? line : old_line;
16304 // [HGM] vari: routines for shelving variations
16307 PushInner(int firstMove, int lastMove)
16309 int i, j, nrMoves = lastMove - firstMove;
16311 // push current tail of game on stack
16312 savedResult[storedGames] = gameInfo.result;
16313 savedDetails[storedGames] = gameInfo.resultDetails;
16314 gameInfo.resultDetails = NULL;
16315 savedFirst[storedGames] = firstMove;
16316 savedLast [storedGames] = lastMove;
16317 savedFramePtr[storedGames] = framePtr;
16318 framePtr -= nrMoves; // reserve space for the boards
16319 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16320 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16321 for(j=0; j<MOVE_LEN; j++)
16322 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16323 for(j=0; j<2*MOVE_LEN; j++)
16324 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16325 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16326 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16327 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16328 pvInfoList[firstMove+i-1].depth = 0;
16329 commentList[framePtr+i] = commentList[firstMove+i];
16330 commentList[firstMove+i] = NULL;
16334 forwardMostMove = firstMove; // truncate game so we can start variation
16338 PushTail(int firstMove, int lastMove)
16340 if(appData.icsActive) { // only in local mode
16341 forwardMostMove = currentMove; // mimic old ICS behavior
16344 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16346 PushInner(firstMove, lastMove);
16347 if(storedGames == 1) GreyRevert(FALSE);
16351 PopInner(Boolean annotate)
16354 char buf[8000], moveBuf[20];
16357 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16358 nrMoves = savedLast[storedGames] - currentMove;
16361 if(!WhiteOnMove(currentMove))
16362 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16363 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16364 for(i=currentMove; i<forwardMostMove; i++) {
16366 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16367 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16368 strcat(buf, moveBuf);
16369 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16370 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16374 for(i=1; i<=nrMoves; i++) { // copy last variation back
16375 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16376 for(j=0; j<MOVE_LEN; j++)
16377 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16378 for(j=0; j<2*MOVE_LEN; j++)
16379 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16380 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16381 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16382 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16383 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16384 commentList[currentMove+i] = commentList[framePtr+i];
16385 commentList[framePtr+i] = NULL;
16387 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16388 framePtr = savedFramePtr[storedGames];
16389 gameInfo.result = savedResult[storedGames];
16390 if(gameInfo.resultDetails != NULL) {
16391 free(gameInfo.resultDetails);
16393 gameInfo.resultDetails = savedDetails[storedGames];
16394 forwardMostMove = currentMove + nrMoves;
16398 PopTail(Boolean annotate)
16400 if(appData.icsActive) return FALSE; // only in local mode
16401 if(!storedGames) return FALSE; // sanity
16402 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16404 PopInner(annotate);
16406 if(storedGames == 0) GreyRevert(TRUE);
16412 { // remove all shelved variations
16414 for(i=0; i<storedGames; i++) {
16415 if(savedDetails[i])
16416 free(savedDetails[i]);
16417 savedDetails[i] = NULL;
16419 for(i=framePtr; i<MAX_MOVES; i++) {
16420 if(commentList[i]) free(commentList[i]);
16421 commentList[i] = NULL;
16423 framePtr = MAX_MOVES-1;
16428 LoadVariation(int index, char *text)
16429 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16430 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16431 int level = 0, move;
16433 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16434 // first find outermost bracketing variation
16435 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16436 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16437 if(*p == '{') wait = '}'; else
16438 if(*p == '[') wait = ']'; else
16439 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16440 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16442 if(*p == wait) wait = NULLCHAR; // closing ]} found
16445 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16446 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16447 end[1] = NULLCHAR; // clip off comment beyond variation
16448 ToNrEvent(currentMove-1);
16449 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16450 // kludge: use ParsePV() to append variation to game
16451 move = currentMove;
16452 ParsePV(start, TRUE, TRUE);
16453 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16454 ClearPremoveHighlights();
16456 ToNrEvent(currentMove+1);