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
8041 DisplayNote(message + 9);
8044 if (!strncmp(message, "tellusererror ", 14)) {
8046 if(message[14] == '\\' && message[15] == '\\')
8047 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8048 DisplayError(message + 14, 0);
8051 if (!strncmp(message, "tellopponent ", 13)) {
8052 if (appData.icsActive) {
8054 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8058 DisplayNote(message + 13);
8062 if (!strncmp(message, "tellothers ", 11)) {
8063 if (appData.icsActive) {
8065 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8071 if (!strncmp(message, "tellall ", 8)) {
8072 if (appData.icsActive) {
8074 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8078 DisplayNote(message + 8);
8082 if (strncmp(message, "warning", 7) == 0) {
8083 /* Undocumented feature, use tellusererror in new code */
8084 DisplayError(message, 0);
8087 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8088 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8089 strcat(realname, " query");
8090 AskQuestion(realname, buf2, buf1, cps->pr);
8093 /* Commands from the engine directly to ICS. We don't allow these to be
8094 * sent until we are logged on. Crafty kibitzes have been known to
8095 * interfere with the login process.
8098 if (!strncmp(message, "tellics ", 8)) {
8099 SendToICS(message + 8);
8103 if (!strncmp(message, "tellicsnoalias ", 15)) {
8104 SendToICS(ics_prefix);
8105 SendToICS(message + 15);
8109 /* The following are for backward compatibility only */
8110 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8111 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8112 SendToICS(ics_prefix);
8118 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8122 * If the move is illegal, cancel it and redraw the board.
8123 * Also deal with other error cases. Matching is rather loose
8124 * here to accommodate engines written before the spec.
8126 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8127 strncmp(message, "Error", 5) == 0) {
8128 if (StrStr(message, "name") ||
8129 StrStr(message, "rating") || StrStr(message, "?") ||
8130 StrStr(message, "result") || StrStr(message, "board") ||
8131 StrStr(message, "bk") || StrStr(message, "computer") ||
8132 StrStr(message, "variant") || StrStr(message, "hint") ||
8133 StrStr(message, "random") || StrStr(message, "depth") ||
8134 StrStr(message, "accepted")) {
8137 if (StrStr(message, "protover")) {
8138 /* Program is responding to input, so it's apparently done
8139 initializing, and this error message indicates it is
8140 protocol version 1. So we don't need to wait any longer
8141 for it to initialize and send feature commands. */
8142 FeatureDone(cps, 1);
8143 cps->protocolVersion = 1;
8146 cps->maybeThinking = FALSE;
8148 if (StrStr(message, "draw")) {
8149 /* Program doesn't have "draw" command */
8150 cps->sendDrawOffers = 0;
8153 if (cps->sendTime != 1 &&
8154 (StrStr(message, "time") || StrStr(message, "otim"))) {
8155 /* Program apparently doesn't have "time" or "otim" command */
8159 if (StrStr(message, "analyze")) {
8160 cps->analysisSupport = FALSE;
8161 cps->analyzing = FALSE;
8163 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8164 DisplayError(buf2, 0);
8167 if (StrStr(message, "(no matching move)st")) {
8168 /* Special kludge for GNU Chess 4 only */
8169 cps->stKludge = TRUE;
8170 SendTimeControl(cps, movesPerSession, timeControl,
8171 timeIncrement, appData.searchDepth,
8175 if (StrStr(message, "(no matching move)sd")) {
8176 /* Special kludge for GNU Chess 4 only */
8177 cps->sdKludge = TRUE;
8178 SendTimeControl(cps, movesPerSession, timeControl,
8179 timeIncrement, appData.searchDepth,
8183 if (!StrStr(message, "llegal")) {
8186 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8187 gameMode == IcsIdle) return;
8188 if (forwardMostMove <= backwardMostMove) return;
8189 if (pausing) PauseEvent();
8190 if(appData.forceIllegal) {
8191 // [HGM] illegal: machine refused move; force position after move into it
8192 SendToProgram("force\n", cps);
8193 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8194 // we have a real problem now, as SendBoard will use the a2a3 kludge
8195 // when black is to move, while there might be nothing on a2 or black
8196 // might already have the move. So send the board as if white has the move.
8197 // But first we must change the stm of the engine, as it refused the last move
8198 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8199 if(WhiteOnMove(forwardMostMove)) {
8200 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8201 SendBoard(cps, forwardMostMove); // kludgeless board
8203 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8204 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8205 SendBoard(cps, forwardMostMove+1); // kludgeless board
8207 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8208 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8209 gameMode == TwoMachinesPlay)
8210 SendToProgram("go\n", cps);
8213 if (gameMode == PlayFromGameFile) {
8214 /* Stop reading this game file */
8215 gameMode = EditGame;
8218 /* [HGM] illegal-move claim should forfeit game when Xboard */
8219 /* only passes fully legal moves */
8220 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8221 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8222 "False illegal-move claim", GE_XBOARD );
8223 return; // do not take back move we tested as valid
8225 currentMove = forwardMostMove-1;
8226 DisplayMove(currentMove-1); /* before DisplayMoveError */
8227 SwitchClocks(forwardMostMove-1); // [HGM] race
8228 DisplayBothClocks();
8229 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8230 parseList[currentMove], _(cps->which));
8231 DisplayMoveError(buf1);
8232 DrawPosition(FALSE, boards[currentMove]);
8235 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8236 /* Program has a broken "time" command that
8237 outputs a string not ending in newline.
8243 * If chess program startup fails, exit with an error message.
8244 * Attempts to recover here are futile.
8246 if ((StrStr(message, "unknown host") != NULL)
8247 || (StrStr(message, "No remote directory") != NULL)
8248 || (StrStr(message, "not found") != NULL)
8249 || (StrStr(message, "No such file") != NULL)
8250 || (StrStr(message, "can't alloc") != NULL)
8251 || (StrStr(message, "Permission denied") != NULL)) {
8253 cps->maybeThinking = FALSE;
8254 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8255 _(cps->which), cps->program, cps->host, message);
8256 RemoveInputSource(cps->isr);
8257 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8258 if(cps == &first) appData.noChessProgram = TRUE;
8259 DisplayError(buf1, 0);
8265 * Look for hint output
8267 if (sscanf(message, "Hint: %s", buf1) == 1) {
8268 if (cps == &first && hintRequested) {
8269 hintRequested = FALSE;
8270 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8271 &fromX, &fromY, &toX, &toY, &promoChar)) {
8272 (void) CoordsToAlgebraic(boards[forwardMostMove],
8273 PosFlags(forwardMostMove),
8274 fromY, fromX, toY, toX, promoChar, buf1);
8275 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8276 DisplayInformation(buf2);
8278 /* Hint move could not be parsed!? */
8279 snprintf(buf2, sizeof(buf2),
8280 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8281 buf1, _(cps->which));
8282 DisplayError(buf2, 0);
8285 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8291 * Ignore other messages if game is not in progress
8293 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8294 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8297 * look for win, lose, draw, or draw offer
8299 if (strncmp(message, "1-0", 3) == 0) {
8300 char *p, *q, *r = "";
8301 p = strchr(message, '{');
8309 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8311 } else if (strncmp(message, "0-1", 3) == 0) {
8312 char *p, *q, *r = "";
8313 p = strchr(message, '{');
8321 /* Kludge for Arasan 4.1 bug */
8322 if (strcmp(r, "Black resigns") == 0) {
8323 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8326 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8328 } else if (strncmp(message, "1/2", 3) == 0) {
8329 char *p, *q, *r = "";
8330 p = strchr(message, '{');
8339 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8342 } else if (strncmp(message, "White resign", 12) == 0) {
8343 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8345 } else if (strncmp(message, "Black resign", 12) == 0) {
8346 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8348 } else if (strncmp(message, "White matches", 13) == 0 ||
8349 strncmp(message, "Black matches", 13) == 0 ) {
8350 /* [HGM] ignore GNUShogi noises */
8352 } else if (strncmp(message, "White", 5) == 0 &&
8353 message[5] != '(' &&
8354 StrStr(message, "Black") == NULL) {
8355 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8357 } else if (strncmp(message, "Black", 5) == 0 &&
8358 message[5] != '(') {
8359 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8361 } else if (strcmp(message, "resign") == 0 ||
8362 strcmp(message, "computer resigns") == 0) {
8364 case MachinePlaysBlack:
8365 case IcsPlayingBlack:
8366 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8368 case MachinePlaysWhite:
8369 case IcsPlayingWhite:
8370 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8372 case TwoMachinesPlay:
8373 if (cps->twoMachinesColor[0] == 'w')
8374 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8376 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8383 } else if (strncmp(message, "opponent mates", 14) == 0) {
8385 case MachinePlaysBlack:
8386 case IcsPlayingBlack:
8387 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8389 case MachinePlaysWhite:
8390 case IcsPlayingWhite:
8391 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8393 case TwoMachinesPlay:
8394 if (cps->twoMachinesColor[0] == 'w')
8395 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8397 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8404 } else if (strncmp(message, "computer mates", 14) == 0) {
8406 case MachinePlaysBlack:
8407 case IcsPlayingBlack:
8408 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8410 case MachinePlaysWhite:
8411 case IcsPlayingWhite:
8412 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8414 case TwoMachinesPlay:
8415 if (cps->twoMachinesColor[0] == 'w')
8416 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8418 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8425 } else if (strncmp(message, "checkmate", 9) == 0) {
8426 if (WhiteOnMove(forwardMostMove)) {
8427 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8429 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8432 } else if (strstr(message, "Draw") != NULL ||
8433 strstr(message, "game is a draw") != NULL) {
8434 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8436 } else if (strstr(message, "offer") != NULL &&
8437 strstr(message, "draw") != NULL) {
8439 if (appData.zippyPlay && first.initDone) {
8440 /* Relay offer to ICS */
8441 SendToICS(ics_prefix);
8442 SendToICS("draw\n");
8445 cps->offeredDraw = 2; /* valid until this engine moves twice */
8446 if (gameMode == TwoMachinesPlay) {
8447 if (cps->other->offeredDraw) {
8448 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8449 /* [HGM] in two-machine mode we delay relaying draw offer */
8450 /* until after we also have move, to see if it is really claim */
8452 } else if (gameMode == MachinePlaysWhite ||
8453 gameMode == MachinePlaysBlack) {
8454 if (userOfferedDraw) {
8455 DisplayInformation(_("Machine accepts your draw offer"));
8456 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8458 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8465 * Look for thinking output
8467 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8468 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8470 int plylev, mvleft, mvtot, curscore, time;
8471 char mvname[MOVE_LEN];
8475 int prefixHint = FALSE;
8476 mvname[0] = NULLCHAR;
8479 case MachinePlaysBlack:
8480 case IcsPlayingBlack:
8481 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8483 case MachinePlaysWhite:
8484 case IcsPlayingWhite:
8485 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8490 case IcsObserving: /* [DM] icsEngineAnalyze */
8491 if (!appData.icsEngineAnalyze) ignore = TRUE;
8493 case TwoMachinesPlay:
8494 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8504 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8506 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8507 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8509 if (plyext != ' ' && plyext != '\t') {
8513 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8514 if( cps->scoreIsAbsolute &&
8515 ( gameMode == MachinePlaysBlack ||
8516 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8517 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8518 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8519 !WhiteOnMove(currentMove)
8522 curscore = -curscore;
8526 tempStats.depth = plylev;
8527 tempStats.nodes = nodes;
8528 tempStats.time = time;
8529 tempStats.score = curscore;
8530 tempStats.got_only_move = 0;
8532 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8535 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8536 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8537 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8538 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8539 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8540 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8541 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8542 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8545 /* Buffer overflow protection */
8546 if (buf1[0] != NULLCHAR) {
8547 if (strlen(buf1) >= sizeof(tempStats.movelist)
8548 && appData.debugMode) {
8550 "PV is too long; using the first %u bytes.\n",
8551 (unsigned) sizeof(tempStats.movelist) - 1);
8554 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8556 sprintf(tempStats.movelist, " no PV\n");
8559 if (tempStats.seen_stat) {
8560 tempStats.ok_to_send = 1;
8563 if (strchr(tempStats.movelist, '(') != NULL) {
8564 tempStats.line_is_book = 1;
8565 tempStats.nr_moves = 0;
8566 tempStats.moves_left = 0;
8568 tempStats.line_is_book = 0;
8571 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8572 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8574 SendProgramStatsToFrontend( cps, &tempStats );
8577 [AS] Protect the thinkOutput buffer from overflow... this
8578 is only useful if buf1 hasn't overflowed first!
8580 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8582 (gameMode == TwoMachinesPlay ?
8583 ToUpper(cps->twoMachinesColor[0]) : ' '),
8584 ((double) curscore) / 100.0,
8585 prefixHint ? lastHint : "",
8586 prefixHint ? " " : "" );
8588 if( buf1[0] != NULLCHAR ) {
8589 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8591 if( strlen(buf1) > max_len ) {
8592 if( appData.debugMode) {
8593 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8595 buf1[max_len+1] = '\0';
8598 strcat( thinkOutput, buf1 );
8601 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8602 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8603 DisplayMove(currentMove - 1);
8607 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8608 /* crafty (9.25+) says "(only move) <move>"
8609 * if there is only 1 legal move
8611 sscanf(p, "(only move) %s", buf1);
8612 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8613 sprintf(programStats.movelist, "%s (only move)", buf1);
8614 programStats.depth = 1;
8615 programStats.nr_moves = 1;
8616 programStats.moves_left = 1;
8617 programStats.nodes = 1;
8618 programStats.time = 1;
8619 programStats.got_only_move = 1;
8621 /* Not really, but we also use this member to
8622 mean "line isn't going to change" (Crafty
8623 isn't searching, so stats won't change) */
8624 programStats.line_is_book = 1;
8626 SendProgramStatsToFrontend( cps, &programStats );
8628 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8629 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8630 DisplayMove(currentMove - 1);
8633 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8634 &time, &nodes, &plylev, &mvleft,
8635 &mvtot, mvname) >= 5) {
8636 /* The stat01: line is from Crafty (9.29+) in response
8637 to the "." command */
8638 programStats.seen_stat = 1;
8639 cps->maybeThinking = TRUE;
8641 if (programStats.got_only_move || !appData.periodicUpdates)
8644 programStats.depth = plylev;
8645 programStats.time = time;
8646 programStats.nodes = nodes;
8647 programStats.moves_left = mvleft;
8648 programStats.nr_moves = mvtot;
8649 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8650 programStats.ok_to_send = 1;
8651 programStats.movelist[0] = '\0';
8653 SendProgramStatsToFrontend( cps, &programStats );
8657 } else if (strncmp(message,"++",2) == 0) {
8658 /* Crafty 9.29+ outputs this */
8659 programStats.got_fail = 2;
8662 } else if (strncmp(message,"--",2) == 0) {
8663 /* Crafty 9.29+ outputs this */
8664 programStats.got_fail = 1;
8667 } else if (thinkOutput[0] != NULLCHAR &&
8668 strncmp(message, " ", 4) == 0) {
8669 unsigned message_len;
8672 while (*p && *p == ' ') p++;
8674 message_len = strlen( p );
8676 /* [AS] Avoid buffer overflow */
8677 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8678 strcat(thinkOutput, " ");
8679 strcat(thinkOutput, p);
8682 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8683 strcat(programStats.movelist, " ");
8684 strcat(programStats.movelist, p);
8687 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8688 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8689 DisplayMove(currentMove - 1);
8697 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8698 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8700 ChessProgramStats cpstats;
8702 if (plyext != ' ' && plyext != '\t') {
8706 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8707 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8708 curscore = -curscore;
8711 cpstats.depth = plylev;
8712 cpstats.nodes = nodes;
8713 cpstats.time = time;
8714 cpstats.score = curscore;
8715 cpstats.got_only_move = 0;
8716 cpstats.movelist[0] = '\0';
8718 if (buf1[0] != NULLCHAR) {
8719 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8722 cpstats.ok_to_send = 0;
8723 cpstats.line_is_book = 0;
8724 cpstats.nr_moves = 0;
8725 cpstats.moves_left = 0;
8727 SendProgramStatsToFrontend( cps, &cpstats );
8734 /* Parse a game score from the character string "game", and
8735 record it as the history of the current game. The game
8736 score is NOT assumed to start from the standard position.
8737 The display is not updated in any way.
8740 ParseGameHistory(game)
8744 int fromX, fromY, toX, toY, boardIndex;
8749 if (appData.debugMode)
8750 fprintf(debugFP, "Parsing game history: %s\n", game);
8752 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8753 gameInfo.site = StrSave(appData.icsHost);
8754 gameInfo.date = PGNDate();
8755 gameInfo.round = StrSave("-");
8757 /* Parse out names of players */
8758 while (*game == ' ') game++;
8760 while (*game != ' ') *p++ = *game++;
8762 gameInfo.white = StrSave(buf);
8763 while (*game == ' ') game++;
8765 while (*game != ' ' && *game != '\n') *p++ = *game++;
8767 gameInfo.black = StrSave(buf);
8770 boardIndex = blackPlaysFirst ? 1 : 0;
8773 yyboardindex = boardIndex;
8774 moveType = (ChessMove) Myylex();
8776 case IllegalMove: /* maybe suicide chess, etc. */
8777 if (appData.debugMode) {
8778 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8779 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8780 setbuf(debugFP, NULL);
8782 case WhitePromotion:
8783 case BlackPromotion:
8784 case WhiteNonPromotion:
8785 case BlackNonPromotion:
8787 case WhiteCapturesEnPassant:
8788 case BlackCapturesEnPassant:
8789 case WhiteKingSideCastle:
8790 case WhiteQueenSideCastle:
8791 case BlackKingSideCastle:
8792 case BlackQueenSideCastle:
8793 case WhiteKingSideCastleWild:
8794 case WhiteQueenSideCastleWild:
8795 case BlackKingSideCastleWild:
8796 case BlackQueenSideCastleWild:
8798 case WhiteHSideCastleFR:
8799 case WhiteASideCastleFR:
8800 case BlackHSideCastleFR:
8801 case BlackASideCastleFR:
8803 fromX = currentMoveString[0] - AAA;
8804 fromY = currentMoveString[1] - ONE;
8805 toX = currentMoveString[2] - AAA;
8806 toY = currentMoveString[3] - ONE;
8807 promoChar = currentMoveString[4];
8811 fromX = moveType == WhiteDrop ?
8812 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8813 (int) CharToPiece(ToLower(currentMoveString[0]));
8815 toX = currentMoveString[2] - AAA;
8816 toY = currentMoveString[3] - ONE;
8817 promoChar = NULLCHAR;
8821 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8822 if (appData.debugMode) {
8823 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8824 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8825 setbuf(debugFP, NULL);
8827 DisplayError(buf, 0);
8829 case ImpossibleMove:
8831 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8832 if (appData.debugMode) {
8833 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8834 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8835 setbuf(debugFP, NULL);
8837 DisplayError(buf, 0);
8840 if (boardIndex < backwardMostMove) {
8841 /* Oops, gap. How did that happen? */
8842 DisplayError(_("Gap in move list"), 0);
8845 backwardMostMove = blackPlaysFirst ? 1 : 0;
8846 if (boardIndex > forwardMostMove) {
8847 forwardMostMove = boardIndex;
8851 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8852 strcat(parseList[boardIndex-1], " ");
8853 strcat(parseList[boardIndex-1], yy_text);
8865 case GameUnfinished:
8866 if (gameMode == IcsExamining) {
8867 if (boardIndex < backwardMostMove) {
8868 /* Oops, gap. How did that happen? */
8871 backwardMostMove = blackPlaysFirst ? 1 : 0;
8874 gameInfo.result = moveType;
8875 p = strchr(yy_text, '{');
8876 if (p == NULL) p = strchr(yy_text, '(');
8879 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8881 q = strchr(p, *p == '{' ? '}' : ')');
8882 if (q != NULL) *q = NULLCHAR;
8885 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8886 gameInfo.resultDetails = StrSave(p);
8889 if (boardIndex >= forwardMostMove &&
8890 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8891 backwardMostMove = blackPlaysFirst ? 1 : 0;
8894 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8895 fromY, fromX, toY, toX, promoChar,
8896 parseList[boardIndex]);
8897 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8898 /* currentMoveString is set as a side-effect of yylex */
8899 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8900 strcat(moveList[boardIndex], "\n");
8902 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8903 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8909 if(gameInfo.variant != VariantShogi)
8910 strcat(parseList[boardIndex - 1], "+");
8914 strcat(parseList[boardIndex - 1], "#");
8921 /* Apply a move to the given board */
8923 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8924 int fromX, fromY, toX, toY;
8928 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8929 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8931 /* [HGM] compute & store e.p. status and castling rights for new position */
8932 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8934 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8935 oldEP = (signed char)board[EP_STATUS];
8936 board[EP_STATUS] = EP_NONE;
8938 if( board[toY][toX] != EmptySquare )
8939 board[EP_STATUS] = EP_CAPTURE;
8941 if (fromY == DROP_RANK) {
8943 piece = board[toY][toX] = (ChessSquare) fromX;
8947 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8948 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8949 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8951 if( board[fromY][fromX] == WhitePawn ) {
8952 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8953 board[EP_STATUS] = EP_PAWN_MOVE;
8955 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8956 gameInfo.variant != VariantBerolina || toX < fromX)
8957 board[EP_STATUS] = toX | berolina;
8958 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8959 gameInfo.variant != VariantBerolina || toX > fromX)
8960 board[EP_STATUS] = toX;
8963 if( board[fromY][fromX] == BlackPawn ) {
8964 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8965 board[EP_STATUS] = EP_PAWN_MOVE;
8966 if( toY-fromY== -2) {
8967 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8968 gameInfo.variant != VariantBerolina || toX < fromX)
8969 board[EP_STATUS] = toX | berolina;
8970 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8971 gameInfo.variant != VariantBerolina || toX > fromX)
8972 board[EP_STATUS] = toX;
8976 for(i=0; i<nrCastlingRights; i++) {
8977 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8978 board[CASTLING][i] == toX && castlingRank[i] == toY
8979 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8982 if (fromX == toX && fromY == toY) return;
8984 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8985 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8986 if(gameInfo.variant == VariantKnightmate)
8987 king += (int) WhiteUnicorn - (int) WhiteKing;
8989 /* Code added by Tord: */
8990 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8991 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8992 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8993 board[fromY][fromX] = EmptySquare;
8994 board[toY][toX] = EmptySquare;
8995 if((toX > fromX) != (piece == WhiteRook)) {
8996 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8998 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9000 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9001 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9002 board[fromY][fromX] = EmptySquare;
9003 board[toY][toX] = EmptySquare;
9004 if((toX > fromX) != (piece == BlackRook)) {
9005 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9007 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9009 /* End of code added by Tord */
9011 } else if (board[fromY][fromX] == king
9012 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9013 && toY == fromY && toX > fromX+1) {
9014 board[fromY][fromX] = EmptySquare;
9015 board[toY][toX] = king;
9016 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9017 board[fromY][BOARD_RGHT-1] = EmptySquare;
9018 } else if (board[fromY][fromX] == king
9019 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9020 && toY == fromY && toX < fromX-1) {
9021 board[fromY][fromX] = EmptySquare;
9022 board[toY][toX] = king;
9023 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9024 board[fromY][BOARD_LEFT] = EmptySquare;
9025 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9026 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9027 && toY >= BOARD_HEIGHT-promoRank
9029 /* white pawn promotion */
9030 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9031 if (board[toY][toX] == EmptySquare) {
9032 board[toY][toX] = WhiteQueen;
9034 if(gameInfo.variant==VariantBughouse ||
9035 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9036 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9037 board[fromY][fromX] = EmptySquare;
9038 } else if ((fromY == BOARD_HEIGHT-4)
9040 && gameInfo.variant != VariantXiangqi
9041 && gameInfo.variant != VariantBerolina
9042 && (board[fromY][fromX] == WhitePawn)
9043 && (board[toY][toX] == EmptySquare)) {
9044 board[fromY][fromX] = EmptySquare;
9045 board[toY][toX] = WhitePawn;
9046 captured = board[toY - 1][toX];
9047 board[toY - 1][toX] = EmptySquare;
9048 } else if ((fromY == BOARD_HEIGHT-4)
9050 && gameInfo.variant == VariantBerolina
9051 && (board[fromY][fromX] == WhitePawn)
9052 && (board[toY][toX] == EmptySquare)) {
9053 board[fromY][fromX] = EmptySquare;
9054 board[toY][toX] = WhitePawn;
9055 if(oldEP & EP_BEROLIN_A) {
9056 captured = board[fromY][fromX-1];
9057 board[fromY][fromX-1] = EmptySquare;
9058 }else{ captured = board[fromY][fromX+1];
9059 board[fromY][fromX+1] = EmptySquare;
9061 } else if (board[fromY][fromX] == king
9062 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9063 && toY == fromY && toX > fromX+1) {
9064 board[fromY][fromX] = EmptySquare;
9065 board[toY][toX] = king;
9066 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9067 board[fromY][BOARD_RGHT-1] = EmptySquare;
9068 } else if (board[fromY][fromX] == king
9069 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9070 && toY == fromY && toX < fromX-1) {
9071 board[fromY][fromX] = EmptySquare;
9072 board[toY][toX] = king;
9073 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9074 board[fromY][BOARD_LEFT] = EmptySquare;
9075 } else if (fromY == 7 && fromX == 3
9076 && board[fromY][fromX] == BlackKing
9077 && toY == 7 && toX == 5) {
9078 board[fromY][fromX] = EmptySquare;
9079 board[toY][toX] = BlackKing;
9080 board[fromY][7] = EmptySquare;
9081 board[toY][4] = BlackRook;
9082 } else if (fromY == 7 && fromX == 3
9083 && board[fromY][fromX] == BlackKing
9084 && toY == 7 && toX == 1) {
9085 board[fromY][fromX] = EmptySquare;
9086 board[toY][toX] = BlackKing;
9087 board[fromY][0] = EmptySquare;
9088 board[toY][2] = BlackRook;
9089 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9090 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9093 /* black pawn promotion */
9094 board[toY][toX] = CharToPiece(ToLower(promoChar));
9095 if (board[toY][toX] == EmptySquare) {
9096 board[toY][toX] = BlackQueen;
9098 if(gameInfo.variant==VariantBughouse ||
9099 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9100 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9101 board[fromY][fromX] = EmptySquare;
9102 } else if ((fromY == 3)
9104 && gameInfo.variant != VariantXiangqi
9105 && gameInfo.variant != VariantBerolina
9106 && (board[fromY][fromX] == BlackPawn)
9107 && (board[toY][toX] == EmptySquare)) {
9108 board[fromY][fromX] = EmptySquare;
9109 board[toY][toX] = BlackPawn;
9110 captured = board[toY + 1][toX];
9111 board[toY + 1][toX] = EmptySquare;
9112 } else if ((fromY == 3)
9114 && gameInfo.variant == VariantBerolina
9115 && (board[fromY][fromX] == BlackPawn)
9116 && (board[toY][toX] == EmptySquare)) {
9117 board[fromY][fromX] = EmptySquare;
9118 board[toY][toX] = BlackPawn;
9119 if(oldEP & EP_BEROLIN_A) {
9120 captured = board[fromY][fromX-1];
9121 board[fromY][fromX-1] = EmptySquare;
9122 }else{ captured = board[fromY][fromX+1];
9123 board[fromY][fromX+1] = EmptySquare;
9126 board[toY][toX] = board[fromY][fromX];
9127 board[fromY][fromX] = EmptySquare;
9131 if (gameInfo.holdingsWidth != 0) {
9133 /* !!A lot more code needs to be written to support holdings */
9134 /* [HGM] OK, so I have written it. Holdings are stored in the */
9135 /* penultimate board files, so they are automaticlly stored */
9136 /* in the game history. */
9137 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9138 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9139 /* Delete from holdings, by decreasing count */
9140 /* and erasing image if necessary */
9141 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9142 if(p < (int) BlackPawn) { /* white drop */
9143 p -= (int)WhitePawn;
9144 p = PieceToNumber((ChessSquare)p);
9145 if(p >= gameInfo.holdingsSize) p = 0;
9146 if(--board[p][BOARD_WIDTH-2] <= 0)
9147 board[p][BOARD_WIDTH-1] = EmptySquare;
9148 if((int)board[p][BOARD_WIDTH-2] < 0)
9149 board[p][BOARD_WIDTH-2] = 0;
9150 } else { /* black drop */
9151 p -= (int)BlackPawn;
9152 p = PieceToNumber((ChessSquare)p);
9153 if(p >= gameInfo.holdingsSize) p = 0;
9154 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9155 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9156 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9157 board[BOARD_HEIGHT-1-p][1] = 0;
9160 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9161 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9162 /* [HGM] holdings: Add to holdings, if holdings exist */
9163 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
9164 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9165 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9168 if (p >= (int) BlackPawn) {
9169 p -= (int)BlackPawn;
9170 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9171 /* in Shogi restore piece to its original first */
9172 captured = (ChessSquare) (DEMOTED captured);
9175 p = PieceToNumber((ChessSquare)p);
9176 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9177 board[p][BOARD_WIDTH-2]++;
9178 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9180 p -= (int)WhitePawn;
9181 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9182 captured = (ChessSquare) (DEMOTED captured);
9185 p = PieceToNumber((ChessSquare)p);
9186 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9187 board[BOARD_HEIGHT-1-p][1]++;
9188 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9191 } else if (gameInfo.variant == VariantAtomic) {
9192 if (captured != EmptySquare) {
9194 for (y = toY-1; y <= toY+1; y++) {
9195 for (x = toX-1; x <= toX+1; x++) {
9196 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9197 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9198 board[y][x] = EmptySquare;
9202 board[toY][toX] = EmptySquare;
9205 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9206 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9208 if(promoChar == '+') {
9209 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9210 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9211 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9212 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9214 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9215 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9216 // [HGM] superchess: take promotion piece out of holdings
9217 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9218 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9219 if(!--board[k][BOARD_WIDTH-2])
9220 board[k][BOARD_WIDTH-1] = EmptySquare;
9222 if(!--board[BOARD_HEIGHT-1-k][1])
9223 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9229 /* Updates forwardMostMove */
9231 MakeMove(fromX, fromY, toX, toY, promoChar)
9232 int fromX, fromY, toX, toY;
9235 // forwardMostMove++; // [HGM] bare: moved downstream
9237 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9238 int timeLeft; static int lastLoadFlag=0; int king, piece;
9239 piece = boards[forwardMostMove][fromY][fromX];
9240 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9241 if(gameInfo.variant == VariantKnightmate)
9242 king += (int) WhiteUnicorn - (int) WhiteKing;
9243 if(forwardMostMove == 0) {
9245 fprintf(serverMoves, "%s;", second.tidy);
9246 fprintf(serverMoves, "%s;", first.tidy);
9247 if(!blackPlaysFirst)
9248 fprintf(serverMoves, "%s;", second.tidy);
9249 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9250 lastLoadFlag = loadFlag;
9252 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9253 // print castling suffix
9254 if( toY == fromY && piece == king ) {
9256 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9258 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9261 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9262 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9263 boards[forwardMostMove][toY][toX] == EmptySquare
9264 && fromX != toX && fromY != toY)
9265 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9267 if(promoChar != NULLCHAR)
9268 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9270 fprintf(serverMoves, "/%d/%d",
9271 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9272 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9273 else timeLeft = blackTimeRemaining/1000;
9274 fprintf(serverMoves, "/%d", timeLeft);
9276 fflush(serverMoves);
9279 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9280 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9284 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9285 if (commentList[forwardMostMove+1] != NULL) {
9286 free(commentList[forwardMostMove+1]);
9287 commentList[forwardMostMove+1] = NULL;
9289 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9290 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9291 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9292 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9293 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9294 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9295 gameInfo.result = GameUnfinished;
9296 if (gameInfo.resultDetails != NULL) {
9297 free(gameInfo.resultDetails);
9298 gameInfo.resultDetails = NULL;
9300 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9301 moveList[forwardMostMove - 1]);
9302 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9303 PosFlags(forwardMostMove - 1),
9304 fromY, fromX, toY, toX, promoChar,
9305 parseList[forwardMostMove - 1]);
9306 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9312 if(gameInfo.variant != VariantShogi)
9313 strcat(parseList[forwardMostMove - 1], "+");
9317 strcat(parseList[forwardMostMove - 1], "#");
9320 if (appData.debugMode) {
9321 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9326 /* Updates currentMove if not pausing */
9328 ShowMove(fromX, fromY, toX, toY)
9330 int instant = (gameMode == PlayFromGameFile) ?
9331 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9332 if(appData.noGUI) return;
9333 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9335 if (forwardMostMove == currentMove + 1) {
9336 AnimateMove(boards[forwardMostMove - 1],
9337 fromX, fromY, toX, toY);
9339 if (appData.highlightLastMove) {
9340 SetHighlights(fromX, fromY, toX, toY);
9343 currentMove = forwardMostMove;
9346 if (instant) return;
9348 DisplayMove(currentMove - 1);
9349 DrawPosition(FALSE, boards[currentMove]);
9350 DisplayBothClocks();
9351 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9352 DisplayBook(currentMove);
9355 void SendEgtPath(ChessProgramState *cps)
9356 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9357 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9359 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9362 char c, *q = name+1, *r, *s;
9364 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9365 while(*p && *p != ',') *q++ = *p++;
9367 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9368 strcmp(name, ",nalimov:") == 0 ) {
9369 // take nalimov path from the menu-changeable option first, if it is defined
9370 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9371 SendToProgram(buf,cps); // send egtbpath command for nalimov
9373 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9374 (s = StrStr(appData.egtFormats, name)) != NULL) {
9375 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9376 s = r = StrStr(s, ":") + 1; // beginning of path info
9377 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9378 c = *r; *r = 0; // temporarily null-terminate path info
9379 *--q = 0; // strip of trailig ':' from name
9380 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9382 SendToProgram(buf,cps); // send egtbpath command for this format
9384 if(*p == ',') p++; // read away comma to position for next format name
9389 InitChessProgram(cps, setup)
9390 ChessProgramState *cps;
9391 int setup; /* [HGM] needed to setup FRC opening position */
9393 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9394 if (appData.noChessProgram) return;
9395 hintRequested = FALSE;
9396 bookRequested = FALSE;
9398 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9399 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9400 if(cps->memSize) { /* [HGM] memory */
9401 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9402 SendToProgram(buf, cps);
9404 SendEgtPath(cps); /* [HGM] EGT */
9405 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9406 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9407 SendToProgram(buf, cps);
9410 SendToProgram(cps->initString, cps);
9411 if (gameInfo.variant != VariantNormal &&
9412 gameInfo.variant != VariantLoadable
9413 /* [HGM] also send variant if board size non-standard */
9414 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9416 char *v = VariantName(gameInfo.variant);
9417 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9418 /* [HGM] in protocol 1 we have to assume all variants valid */
9419 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9420 DisplayFatalError(buf, 0, 1);
9424 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9425 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9426 if( gameInfo.variant == VariantXiangqi )
9427 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9428 if( gameInfo.variant == VariantShogi )
9429 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9430 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9431 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9432 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9433 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9434 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9435 if( gameInfo.variant == VariantCourier )
9436 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9437 if( gameInfo.variant == VariantSuper )
9438 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9439 if( gameInfo.variant == VariantGreat )
9440 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9441 if( gameInfo.variant == VariantSChess )
9442 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9445 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9446 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9447 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9448 if(StrStr(cps->variants, b) == NULL) {
9449 // specific sized variant not known, check if general sizing allowed
9450 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9451 if(StrStr(cps->variants, "boardsize") == NULL) {
9452 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9453 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9454 DisplayFatalError(buf, 0, 1);
9457 /* [HGM] here we really should compare with the maximum supported board size */
9460 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9461 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9462 SendToProgram(buf, cps);
9464 currentlyInitializedVariant = gameInfo.variant;
9466 /* [HGM] send opening position in FRC to first engine */
9468 SendToProgram("force\n", cps);
9470 /* engine is now in force mode! Set flag to wake it up after first move. */
9471 setboardSpoiledMachineBlack = 1;
9475 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9476 SendToProgram(buf, cps);
9478 cps->maybeThinking = FALSE;
9479 cps->offeredDraw = 0;
9480 if (!appData.icsActive) {
9481 SendTimeControl(cps, movesPerSession, timeControl,
9482 timeIncrement, appData.searchDepth,
9485 if (appData.showThinking
9486 // [HGM] thinking: four options require thinking output to be sent
9487 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9489 SendToProgram("post\n", cps);
9491 SendToProgram("hard\n", cps);
9492 if (!appData.ponderNextMove) {
9493 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9494 it without being sure what state we are in first. "hard"
9495 is not a toggle, so that one is OK.
9497 SendToProgram("easy\n", cps);
9500 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9501 SendToProgram(buf, cps);
9503 cps->initDone = TRUE;
9504 ClearEngineOutputPane(cps == &second);
9509 StartChessProgram(cps)
9510 ChessProgramState *cps;
9515 if (appData.noChessProgram) return;
9516 cps->initDone = FALSE;
9518 if (strcmp(cps->host, "localhost") == 0) {
9519 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9520 } else if (*appData.remoteShell == NULLCHAR) {
9521 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9523 if (*appData.remoteUser == NULLCHAR) {
9524 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9527 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9528 cps->host, appData.remoteUser, cps->program);
9530 err = StartChildProcess(buf, "", &cps->pr);
9534 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9535 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9536 if(cps != &first) return;
9537 appData.noChessProgram = TRUE;
9540 // DisplayFatalError(buf, err, 1);
9541 // cps->pr = NoProc;
9546 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9547 if (cps->protocolVersion > 1) {
9548 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9549 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9550 cps->comboCnt = 0; // and values of combo boxes
9551 SendToProgram(buf, cps);
9553 SendToProgram("xboard\n", cps);
9558 TwoMachinesEventIfReady P((void))
9560 static int curMess = 0;
9561 if (first.lastPing != first.lastPong) {
9562 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9563 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9566 if (second.lastPing != second.lastPong) {
9567 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9568 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9571 DisplayMessage("", ""); curMess = 0;
9577 MakeName(char *template)
9581 static char buf[MSG_SIZ];
9585 clock = time((time_t *)NULL);
9586 tm = localtime(&clock);
9588 while(*p++ = *template++) if(p[-1] == '%') {
9589 switch(*template++) {
9590 case 0: *p = 0; return buf;
9591 case 'Y': i = tm->tm_year+1900; break;
9592 case 'y': i = tm->tm_year-100; break;
9593 case 'M': i = tm->tm_mon+1; break;
9594 case 'd': i = tm->tm_mday; break;
9595 case 'h': i = tm->tm_hour; break;
9596 case 'm': i = tm->tm_min; break;
9597 case 's': i = tm->tm_sec; break;
9600 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9606 CountPlayers(char *p)
9609 while(p = strchr(p, '\n')) p++, n++; // count participants
9614 WriteTourneyFile(char *results)
9615 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9616 FILE *f = fopen(appData.tourneyFile, "w");
9617 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9618 // create a file with tournament description
9619 fprintf(f, "-participants {%s}\n", appData.participants);
9620 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9621 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9622 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9623 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9624 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9625 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9626 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9627 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9628 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9629 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9630 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9632 fprintf(f, "-searchTime \"%s\"\n", appData.searchTime);
9634 fprintf(f, "-mps %d\n", appData.movesPerSession);
9635 fprintf(f, "-tc %s\n", appData.timeControl);
9636 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9638 fprintf(f, "-results \"%s\"\n", results);
9644 CreateTourney(char *name)
9647 if(name[0] == NULLCHAR) {
9648 if(appData.participants[0])
9649 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9652 f = fopen(name, "r");
9653 if(f) { // file exists
9654 ASSIGN(appData.tourneyFile, name);
9655 ParseArgsFromFile(f); // parse it
9657 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9658 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9659 DisplayError(_("Not enough participants"), 0);
9662 ASSIGN(appData.tourneyFile, name);
9663 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9664 if((f = WriteTourneyFile("")) == NULL) return 0;
9667 appData.noChessProgram = FALSE;
9668 appData.clockMode = TRUE;
9673 #define MAXENGINES 1000
9674 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9676 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9678 char buf[MSG_SIZ], *p, *q;
9682 while(*p && *p != '\n') *q++ = *p++;
9684 if(engineList[i]) free(engineList[i]);
9685 engineList[i] = strdup(buf);
9687 TidyProgramName(engineList[i], "localhost", buf);
9688 if(engineMnemonic[i]) free(engineMnemonic[i]);
9689 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9691 sscanf(q + 8, "%s", buf + strlen(buf));
9694 engineMnemonic[i] = strdup(buf);
9696 if(i > MAXENGINES - 2) break;
9698 engineList[i] = NULL;
9701 // following implemented as macro to avoid type limitations
9702 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9704 void SwapEngines(int n)
9705 { // swap settings for first engine and other engine (so far only some selected options)
9710 SWAP(chessProgram, p)
9712 SWAP(hasOwnBookUCI, h)
9713 SWAP(protocolVersion, h)
9715 SWAP(scoreIsAbsolute, h)
9722 SetPlayer(int player)
9723 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9725 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9726 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9727 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9728 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9730 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9731 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9732 ParseArgsFromString(buf);
9738 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9739 { // determine players from game number
9740 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9742 if(appData.tourneyType == 0) {
9743 roundsPerCycle = (nPlayers - 1) | 1;
9744 pairingsPerRound = nPlayers / 2;
9745 } else if(appData.tourneyType > 0) {
9746 roundsPerCycle = nPlayers - appData.tourneyType;
9747 pairingsPerRound = appData.tourneyType;
9749 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9750 gamesPerCycle = gamesPerRound * roundsPerCycle;
9751 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9752 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9753 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9754 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9755 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9756 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9758 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9759 if(appData.roundSync) *syncInterval = gamesPerRound;
9761 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9763 if(appData.tourneyType == 0) {
9764 if(curPairing == (nPlayers-1)/2 ) {
9765 *whitePlayer = curRound;
9766 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9768 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9769 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9770 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9771 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9773 } else if(appData.tourneyType > 0) {
9774 *whitePlayer = curPairing;
9775 *blackPlayer = curRound + appData.tourneyType;
9778 // take care of white/black alternation per round.
9779 // For cycles and games this is already taken care of by default, derived from matchGame!
9780 return curRound & 1;
9784 NextTourneyGame(int nr, int *swapColors)
9785 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9787 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9789 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9790 tf = fopen(appData.tourneyFile, "r");
9791 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9792 ParseArgsFromFile(tf); fclose(tf);
9793 InitTimeControls(); // TC might be altered from tourney file
9795 nPlayers = CountPlayers(appData.participants); // count participants
9796 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9797 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9800 p = q = appData.results;
9801 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9802 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9803 DisplayMessage(_("Waiting for other game(s)"),"");
9804 waitingForGame = TRUE;
9805 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9808 waitingForGame = FALSE;
9811 if(appData.tourneyType < 0) {
9812 if(nr>=0 && !pairingReceived) {
9814 if(pairing.pr == NoProc) {
9815 if(!appData.pairingEngine[0]) {
9816 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9819 StartChessProgram(&pairing); // starts the pairing engine
9821 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9822 SendToProgram(buf, &pairing);
9823 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9824 SendToProgram(buf, &pairing);
9825 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
9827 pairingReceived = 0; // ... so we continue here
9829 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
9830 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
9831 matchGame = 1; roundNr = nr / syncInterval + 1;
9834 if(first.pr != NoProc) return 1; // engines already loaded
9836 // redefine engines, engine dir, etc.
9837 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9838 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9840 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9841 SwapEngines(1); // and make that valid for second engine by swapping
9842 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9843 InitEngine(&second, 1);
9844 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9845 UpdateLogos(FALSE); // leave display to ModeHiglight()
9851 { // performs game initialization that does not invoke engines, and then tries to start the game
9852 int firstWhite, swapColors = 0;
9853 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9854 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9855 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9856 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9857 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9858 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9859 Reset(FALSE, first.pr != NoProc);
9860 appData.noChessProgram = FALSE;
9861 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9865 void UserAdjudicationEvent( int result )
9867 ChessMove gameResult = GameIsDrawn;
9870 gameResult = WhiteWins;
9872 else if( result < 0 ) {
9873 gameResult = BlackWins;
9876 if( gameMode == TwoMachinesPlay ) {
9877 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9882 // [HGM] save: calculate checksum of game to make games easily identifiable
9883 int StringCheckSum(char *s)
9886 if(s==NULL) return 0;
9887 while(*s) i = i*259 + *s++;
9894 for(i=backwardMostMove; i<forwardMostMove; i++) {
9895 sum += pvInfoList[i].depth;
9896 sum += StringCheckSum(parseList[i]);
9897 sum += StringCheckSum(commentList[i]);
9900 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9901 return sum + StringCheckSum(commentList[i]);
9902 } // end of save patch
9905 GameEnds(result, resultDetails, whosays)
9907 char *resultDetails;
9910 GameMode nextGameMode;
9912 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9914 if(endingGame) return; /* [HGM] crash: forbid recursion */
9916 if(twoBoards) { // [HGM] dual: switch back to one board
9917 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9918 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9920 if (appData.debugMode) {
9921 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9922 result, resultDetails ? resultDetails : "(null)", whosays);
9925 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9927 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9928 /* If we are playing on ICS, the server decides when the
9929 game is over, but the engine can offer to draw, claim
9933 if (appData.zippyPlay && first.initDone) {
9934 if (result == GameIsDrawn) {
9935 /* In case draw still needs to be claimed */
9936 SendToICS(ics_prefix);
9937 SendToICS("draw\n");
9938 } else if (StrCaseStr(resultDetails, "resign")) {
9939 SendToICS(ics_prefix);
9940 SendToICS("resign\n");
9944 endingGame = 0; /* [HGM] crash */
9948 /* If we're loading the game from a file, stop */
9949 if (whosays == GE_FILE) {
9950 (void) StopLoadGameTimer();
9954 /* Cancel draw offers */
9955 first.offeredDraw = second.offeredDraw = 0;
9957 /* If this is an ICS game, only ICS can really say it's done;
9958 if not, anyone can. */
9959 isIcsGame = (gameMode == IcsPlayingWhite ||
9960 gameMode == IcsPlayingBlack ||
9961 gameMode == IcsObserving ||
9962 gameMode == IcsExamining);
9964 if (!isIcsGame || whosays == GE_ICS) {
9965 /* OK -- not an ICS game, or ICS said it was done */
9967 if (!isIcsGame && !appData.noChessProgram)
9968 SetUserThinkingEnables();
9970 /* [HGM] if a machine claims the game end we verify this claim */
9971 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9972 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9974 ChessMove trueResult = (ChessMove) -1;
9976 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9977 first.twoMachinesColor[0] :
9978 second.twoMachinesColor[0] ;
9980 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9981 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9982 /* [HGM] verify: engine mate claims accepted if they were flagged */
9983 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9985 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9986 /* [HGM] verify: engine mate claims accepted if they were flagged */
9987 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9989 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9990 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9993 // now verify win claims, but not in drop games, as we don't understand those yet
9994 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9995 || gameInfo.variant == VariantGreat) &&
9996 (result == WhiteWins && claimer == 'w' ||
9997 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9998 if (appData.debugMode) {
9999 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10000 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10002 if(result != trueResult) {
10003 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10004 result = claimer == 'w' ? BlackWins : WhiteWins;
10005 resultDetails = buf;
10008 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10009 && (forwardMostMove <= backwardMostMove ||
10010 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10011 (claimer=='b')==(forwardMostMove&1))
10013 /* [HGM] verify: draws that were not flagged are false claims */
10014 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10015 result = claimer == 'w' ? BlackWins : WhiteWins;
10016 resultDetails = buf;
10018 /* (Claiming a loss is accepted no questions asked!) */
10020 /* [HGM] bare: don't allow bare King to win */
10021 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
10022 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10023 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10024 && result != GameIsDrawn)
10025 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10026 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10027 int p = (signed char)boards[forwardMostMove][i][j] - color;
10028 if(p >= 0 && p <= (int)WhiteKing) k++;
10030 if (appData.debugMode) {
10031 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10032 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10035 result = GameIsDrawn;
10036 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10037 resultDetails = buf;
10043 if(serverMoves != NULL && !loadFlag) { char c = '=';
10044 if(result==WhiteWins) c = '+';
10045 if(result==BlackWins) c = '-';
10046 if(resultDetails != NULL)
10047 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10049 if (resultDetails != NULL) {
10050 gameInfo.result = result;
10051 gameInfo.resultDetails = StrSave(resultDetails);
10053 /* display last move only if game was not loaded from file */
10054 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10055 DisplayMove(currentMove - 1);
10057 if (forwardMostMove != 0) {
10058 if (gameMode != PlayFromGameFile && gameMode != EditGame
10059 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10061 if (*appData.saveGameFile != NULLCHAR) {
10062 SaveGameToFile(appData.saveGameFile, TRUE);
10063 } else if (appData.autoSaveGames) {
10066 if (*appData.savePositionFile != NULLCHAR) {
10067 SavePositionToFile(appData.savePositionFile);
10072 /* Tell program how game ended in case it is learning */
10073 /* [HGM] Moved this to after saving the PGN, just in case */
10074 /* engine died and we got here through time loss. In that */
10075 /* case we will get a fatal error writing the pipe, which */
10076 /* would otherwise lose us the PGN. */
10077 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10078 /* output during GameEnds should never be fatal anymore */
10079 if (gameMode == MachinePlaysWhite ||
10080 gameMode == MachinePlaysBlack ||
10081 gameMode == TwoMachinesPlay ||
10082 gameMode == IcsPlayingWhite ||
10083 gameMode == IcsPlayingBlack ||
10084 gameMode == BeginningOfGame) {
10086 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10088 if (first.pr != NoProc) {
10089 SendToProgram(buf, &first);
10091 if (second.pr != NoProc &&
10092 gameMode == TwoMachinesPlay) {
10093 SendToProgram(buf, &second);
10098 if (appData.icsActive) {
10099 if (appData.quietPlay &&
10100 (gameMode == IcsPlayingWhite ||
10101 gameMode == IcsPlayingBlack)) {
10102 SendToICS(ics_prefix);
10103 SendToICS("set shout 1\n");
10105 nextGameMode = IcsIdle;
10106 ics_user_moved = FALSE;
10107 /* clean up premove. It's ugly when the game has ended and the
10108 * premove highlights are still on the board.
10111 gotPremove = FALSE;
10112 ClearPremoveHighlights();
10113 DrawPosition(FALSE, boards[currentMove]);
10115 if (whosays == GE_ICS) {
10118 if (gameMode == IcsPlayingWhite)
10120 else if(gameMode == IcsPlayingBlack)
10121 PlayIcsLossSound();
10124 if (gameMode == IcsPlayingBlack)
10126 else if(gameMode == IcsPlayingWhite)
10127 PlayIcsLossSound();
10130 PlayIcsDrawSound();
10133 PlayIcsUnfinishedSound();
10136 } else if (gameMode == EditGame ||
10137 gameMode == PlayFromGameFile ||
10138 gameMode == AnalyzeMode ||
10139 gameMode == AnalyzeFile) {
10140 nextGameMode = gameMode;
10142 nextGameMode = EndOfGame;
10147 nextGameMode = gameMode;
10150 if (appData.noChessProgram) {
10151 gameMode = nextGameMode;
10153 endingGame = 0; /* [HGM] crash */
10158 /* Put first chess program into idle state */
10159 if (first.pr != NoProc &&
10160 (gameMode == MachinePlaysWhite ||
10161 gameMode == MachinePlaysBlack ||
10162 gameMode == TwoMachinesPlay ||
10163 gameMode == IcsPlayingWhite ||
10164 gameMode == IcsPlayingBlack ||
10165 gameMode == BeginningOfGame)) {
10166 SendToProgram("force\n", &first);
10167 if (first.usePing) {
10169 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10170 SendToProgram(buf, &first);
10173 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10174 /* Kill off first chess program */
10175 if (first.isr != NULL)
10176 RemoveInputSource(first.isr);
10179 if (first.pr != NoProc) {
10181 DoSleep( appData.delayBeforeQuit );
10182 SendToProgram("quit\n", &first);
10183 DoSleep( appData.delayAfterQuit );
10184 DestroyChildProcess(first.pr, first.useSigterm);
10188 if (second.reuse) {
10189 /* Put second chess program into idle state */
10190 if (second.pr != NoProc &&
10191 gameMode == TwoMachinesPlay) {
10192 SendToProgram("force\n", &second);
10193 if (second.usePing) {
10195 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10196 SendToProgram(buf, &second);
10199 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10200 /* Kill off second chess program */
10201 if (second.isr != NULL)
10202 RemoveInputSource(second.isr);
10205 if (second.pr != NoProc) {
10206 DoSleep( appData.delayBeforeQuit );
10207 SendToProgram("quit\n", &second);
10208 DoSleep( appData.delayAfterQuit );
10209 DestroyChildProcess(second.pr, second.useSigterm);
10211 second.pr = NoProc;
10214 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10215 char resChar = '=';
10219 if (first.twoMachinesColor[0] == 'w') {
10222 second.matchWins++;
10227 if (first.twoMachinesColor[0] == 'b') {
10230 second.matchWins++;
10233 case GameUnfinished:
10239 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10240 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10241 ReserveGame(nextGame, resChar); // sets nextGame
10242 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10243 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10244 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10246 if (nextGame <= appData.matchGames && !abortMatch) {
10247 gameMode = nextGameMode;
10248 matchGame = nextGame; // this will be overruled in tourney mode!
10249 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10250 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10251 endingGame = 0; /* [HGM] crash */
10254 gameMode = nextGameMode;
10255 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10256 first.tidy, second.tidy,
10257 first.matchWins, second.matchWins,
10258 appData.matchGames - (first.matchWins + second.matchWins));
10259 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10260 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10261 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10262 first.twoMachinesColor = "black\n";
10263 second.twoMachinesColor = "white\n";
10265 first.twoMachinesColor = "white\n";
10266 second.twoMachinesColor = "black\n";
10270 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10271 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10273 gameMode = nextGameMode;
10275 endingGame = 0; /* [HGM] crash */
10276 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10277 if(matchMode == TRUE) { // match through command line: exit with or without popup
10279 ToNrEvent(forwardMostMove);
10280 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10282 } else DisplayFatalError(buf, 0, 0);
10283 } else { // match through menu; just stop, with or without popup
10284 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10287 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10288 } else DisplayNote(buf);
10290 if(ranking) free(ranking);
10294 /* Assumes program was just initialized (initString sent).
10295 Leaves program in force mode. */
10297 FeedMovesToProgram(cps, upto)
10298 ChessProgramState *cps;
10303 if (appData.debugMode)
10304 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10305 startedFromSetupPosition ? "position and " : "",
10306 backwardMostMove, upto, cps->which);
10307 if(currentlyInitializedVariant != gameInfo.variant) {
10309 // [HGM] variantswitch: make engine aware of new variant
10310 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10311 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10312 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10313 SendToProgram(buf, cps);
10314 currentlyInitializedVariant = gameInfo.variant;
10316 SendToProgram("force\n", cps);
10317 if (startedFromSetupPosition) {
10318 SendBoard(cps, backwardMostMove);
10319 if (appData.debugMode) {
10320 fprintf(debugFP, "feedMoves\n");
10323 for (i = backwardMostMove; i < upto; i++) {
10324 SendMoveToProgram(i, cps);
10330 ResurrectChessProgram()
10332 /* The chess program may have exited.
10333 If so, restart it and feed it all the moves made so far. */
10334 static int doInit = 0;
10336 if (appData.noChessProgram) return 1;
10338 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10339 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10340 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10341 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10343 if (first.pr != NoProc) return 1;
10344 StartChessProgram(&first);
10346 InitChessProgram(&first, FALSE);
10347 FeedMovesToProgram(&first, currentMove);
10349 if (!first.sendTime) {
10350 /* can't tell gnuchess what its clock should read,
10351 so we bow to its notion. */
10353 timeRemaining[0][currentMove] = whiteTimeRemaining;
10354 timeRemaining[1][currentMove] = blackTimeRemaining;
10357 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10358 appData.icsEngineAnalyze) && first.analysisSupport) {
10359 SendToProgram("analyze\n", &first);
10360 first.analyzing = TRUE;
10366 * Button procedures
10369 Reset(redraw, init)
10374 if (appData.debugMode) {
10375 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10376 redraw, init, gameMode);
10378 CleanupTail(); // [HGM] vari: delete any stored variations
10379 pausing = pauseExamInvalid = FALSE;
10380 startedFromSetupPosition = blackPlaysFirst = FALSE;
10382 whiteFlag = blackFlag = FALSE;
10383 userOfferedDraw = FALSE;
10384 hintRequested = bookRequested = FALSE;
10385 first.maybeThinking = FALSE;
10386 second.maybeThinking = FALSE;
10387 first.bookSuspend = FALSE; // [HGM] book
10388 second.bookSuspend = FALSE;
10389 thinkOutput[0] = NULLCHAR;
10390 lastHint[0] = NULLCHAR;
10391 ClearGameInfo(&gameInfo);
10392 gameInfo.variant = StringToVariant(appData.variant);
10393 ics_user_moved = ics_clock_paused = FALSE;
10394 ics_getting_history = H_FALSE;
10396 white_holding[0] = black_holding[0] = NULLCHAR;
10397 ClearProgramStats();
10398 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10402 flipView = appData.flipView;
10403 ClearPremoveHighlights();
10404 gotPremove = FALSE;
10405 alarmSounded = FALSE;
10407 GameEnds(EndOfFile, NULL, GE_PLAYER);
10408 if(appData.serverMovesName != NULL) {
10409 /* [HGM] prepare to make moves file for broadcasting */
10410 clock_t t = clock();
10411 if(serverMoves != NULL) fclose(serverMoves);
10412 serverMoves = fopen(appData.serverMovesName, "r");
10413 if(serverMoves != NULL) {
10414 fclose(serverMoves);
10415 /* delay 15 sec before overwriting, so all clients can see end */
10416 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10418 serverMoves = fopen(appData.serverMovesName, "w");
10422 gameMode = BeginningOfGame;
10424 if(appData.icsActive) gameInfo.variant = VariantNormal;
10425 currentMove = forwardMostMove = backwardMostMove = 0;
10426 InitPosition(redraw);
10427 for (i = 0; i < MAX_MOVES; i++) {
10428 if (commentList[i] != NULL) {
10429 free(commentList[i]);
10430 commentList[i] = NULL;
10434 timeRemaining[0][0] = whiteTimeRemaining;
10435 timeRemaining[1][0] = blackTimeRemaining;
10437 if (first.pr == NULL) {
10438 StartChessProgram(&first);
10441 InitChessProgram(&first, startedFromSetupPosition);
10444 DisplayMessage("", "");
10445 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10446 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10453 if (!AutoPlayOneMove())
10455 if (matchMode || appData.timeDelay == 0)
10457 if (appData.timeDelay < 0)
10459 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10468 int fromX, fromY, toX, toY;
10470 if (appData.debugMode) {
10471 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10474 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10477 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10478 pvInfoList[currentMove].depth = programStats.depth;
10479 pvInfoList[currentMove].score = programStats.score;
10480 pvInfoList[currentMove].time = 0;
10481 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10484 if (currentMove >= forwardMostMove) {
10485 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10486 gameMode = EditGame;
10489 /* [AS] Clear current move marker at the end of a game */
10490 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10495 toX = moveList[currentMove][2] - AAA;
10496 toY = moveList[currentMove][3] - ONE;
10498 if (moveList[currentMove][1] == '@') {
10499 if (appData.highlightLastMove) {
10500 SetHighlights(-1, -1, toX, toY);
10503 fromX = moveList[currentMove][0] - AAA;
10504 fromY = moveList[currentMove][1] - ONE;
10506 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10508 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10510 if (appData.highlightLastMove) {
10511 SetHighlights(fromX, fromY, toX, toY);
10514 DisplayMove(currentMove);
10515 SendMoveToProgram(currentMove++, &first);
10516 DisplayBothClocks();
10517 DrawPosition(FALSE, boards[currentMove]);
10518 // [HGM] PV info: always display, routine tests if empty
10519 DisplayComment(currentMove - 1, commentList[currentMove]);
10525 LoadGameOneMove(readAhead)
10526 ChessMove readAhead;
10528 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10529 char promoChar = NULLCHAR;
10530 ChessMove moveType;
10531 char move[MSG_SIZ];
10534 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10535 gameMode != AnalyzeMode && gameMode != Training) {
10540 yyboardindex = forwardMostMove;
10541 if (readAhead != EndOfFile) {
10542 moveType = readAhead;
10544 if (gameFileFP == NULL)
10546 moveType = (ChessMove) Myylex();
10550 switch (moveType) {
10552 if (appData.debugMode)
10553 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10556 /* append the comment but don't display it */
10557 AppendComment(currentMove, p, FALSE);
10560 case WhiteCapturesEnPassant:
10561 case BlackCapturesEnPassant:
10562 case WhitePromotion:
10563 case BlackPromotion:
10564 case WhiteNonPromotion:
10565 case BlackNonPromotion:
10567 case WhiteKingSideCastle:
10568 case WhiteQueenSideCastle:
10569 case BlackKingSideCastle:
10570 case BlackQueenSideCastle:
10571 case WhiteKingSideCastleWild:
10572 case WhiteQueenSideCastleWild:
10573 case BlackKingSideCastleWild:
10574 case BlackQueenSideCastleWild:
10576 case WhiteHSideCastleFR:
10577 case WhiteASideCastleFR:
10578 case BlackHSideCastleFR:
10579 case BlackASideCastleFR:
10581 if (appData.debugMode)
10582 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10583 fromX = currentMoveString[0] - AAA;
10584 fromY = currentMoveString[1] - ONE;
10585 toX = currentMoveString[2] - AAA;
10586 toY = currentMoveString[3] - ONE;
10587 promoChar = currentMoveString[4];
10592 if (appData.debugMode)
10593 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10594 fromX = moveType == WhiteDrop ?
10595 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10596 (int) CharToPiece(ToLower(currentMoveString[0]));
10598 toX = currentMoveString[2] - AAA;
10599 toY = currentMoveString[3] - ONE;
10605 case GameUnfinished:
10606 if (appData.debugMode)
10607 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10608 p = strchr(yy_text, '{');
10609 if (p == NULL) p = strchr(yy_text, '(');
10612 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10614 q = strchr(p, *p == '{' ? '}' : ')');
10615 if (q != NULL) *q = NULLCHAR;
10618 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10619 GameEnds(moveType, p, GE_FILE);
10621 if (cmailMsgLoaded) {
10623 flipView = WhiteOnMove(currentMove);
10624 if (moveType == GameUnfinished) flipView = !flipView;
10625 if (appData.debugMode)
10626 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10631 if (appData.debugMode)
10632 fprintf(debugFP, "Parser hit end of file\n");
10633 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10639 if (WhiteOnMove(currentMove)) {
10640 GameEnds(BlackWins, "Black mates", GE_FILE);
10642 GameEnds(WhiteWins, "White mates", GE_FILE);
10646 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10652 case MoveNumberOne:
10653 if (lastLoadGameStart == GNUChessGame) {
10654 /* GNUChessGames have numbers, but they aren't move numbers */
10655 if (appData.debugMode)
10656 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10657 yy_text, (int) moveType);
10658 return LoadGameOneMove(EndOfFile); /* tail recursion */
10660 /* else fall thru */
10665 /* Reached start of next game in file */
10666 if (appData.debugMode)
10667 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10668 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10674 if (WhiteOnMove(currentMove)) {
10675 GameEnds(BlackWins, "Black mates", GE_FILE);
10677 GameEnds(WhiteWins, "White mates", GE_FILE);
10681 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10687 case PositionDiagram: /* should not happen; ignore */
10688 case ElapsedTime: /* ignore */
10689 case NAG: /* ignore */
10690 if (appData.debugMode)
10691 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10692 yy_text, (int) moveType);
10693 return LoadGameOneMove(EndOfFile); /* tail recursion */
10696 if (appData.testLegality) {
10697 if (appData.debugMode)
10698 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10699 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10700 (forwardMostMove / 2) + 1,
10701 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10702 DisplayError(move, 0);
10705 if (appData.debugMode)
10706 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10707 yy_text, currentMoveString);
10708 fromX = currentMoveString[0] - AAA;
10709 fromY = currentMoveString[1] - ONE;
10710 toX = currentMoveString[2] - AAA;
10711 toY = currentMoveString[3] - ONE;
10712 promoChar = currentMoveString[4];
10716 case AmbiguousMove:
10717 if (appData.debugMode)
10718 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10719 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10720 (forwardMostMove / 2) + 1,
10721 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10722 DisplayError(move, 0);
10727 case ImpossibleMove:
10728 if (appData.debugMode)
10729 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10730 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10731 (forwardMostMove / 2) + 1,
10732 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10733 DisplayError(move, 0);
10739 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10740 DrawPosition(FALSE, boards[currentMove]);
10741 DisplayBothClocks();
10742 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10743 DisplayComment(currentMove - 1, commentList[currentMove]);
10745 (void) StopLoadGameTimer();
10747 cmailOldMove = forwardMostMove;
10750 /* currentMoveString is set as a side-effect of yylex */
10752 thinkOutput[0] = NULLCHAR;
10753 MakeMove(fromX, fromY, toX, toY, promoChar);
10754 currentMove = forwardMostMove;
10759 /* Load the nth game from the given file */
10761 LoadGameFromFile(filename, n, title, useList)
10765 /*Boolean*/ int useList;
10770 if (strcmp(filename, "-") == 0) {
10774 f = fopen(filename, "rb");
10776 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10777 DisplayError(buf, errno);
10781 if (fseek(f, 0, 0) == -1) {
10782 /* f is not seekable; probably a pipe */
10785 if (useList && n == 0) {
10786 int error = GameListBuild(f);
10788 DisplayError(_("Cannot build game list"), error);
10789 } else if (!ListEmpty(&gameList) &&
10790 ((ListGame *) gameList.tailPred)->number > 1) {
10791 GameListPopUp(f, title);
10798 return LoadGame(f, n, title, FALSE);
10803 MakeRegisteredMove()
10805 int fromX, fromY, toX, toY;
10807 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10808 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10811 if (appData.debugMode)
10812 fprintf(debugFP, "Restoring %s for game %d\n",
10813 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10815 thinkOutput[0] = NULLCHAR;
10816 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10817 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10818 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10819 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10820 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10821 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10822 MakeMove(fromX, fromY, toX, toY, promoChar);
10823 ShowMove(fromX, fromY, toX, toY);
10825 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10832 if (WhiteOnMove(currentMove)) {
10833 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10835 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10840 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10847 if (WhiteOnMove(currentMove)) {
10848 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10850 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10855 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10866 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10868 CmailLoadGame(f, gameNumber, title, useList)
10876 if (gameNumber > nCmailGames) {
10877 DisplayError(_("No more games in this message"), 0);
10880 if (f == lastLoadGameFP) {
10881 int offset = gameNumber - lastLoadGameNumber;
10883 cmailMsg[0] = NULLCHAR;
10884 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10885 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10886 nCmailMovesRegistered--;
10888 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10889 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10890 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10893 if (! RegisterMove()) return FALSE;
10897 retVal = LoadGame(f, gameNumber, title, useList);
10899 /* Make move registered during previous look at this game, if any */
10900 MakeRegisteredMove();
10902 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10903 commentList[currentMove]
10904 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10905 DisplayComment(currentMove - 1, commentList[currentMove]);
10911 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10916 int gameNumber = lastLoadGameNumber + offset;
10917 if (lastLoadGameFP == NULL) {
10918 DisplayError(_("No game has been loaded yet"), 0);
10921 if (gameNumber <= 0) {
10922 DisplayError(_("Can't back up any further"), 0);
10925 if (cmailMsgLoaded) {
10926 return CmailLoadGame(lastLoadGameFP, gameNumber,
10927 lastLoadGameTitle, lastLoadGameUseList);
10929 return LoadGame(lastLoadGameFP, gameNumber,
10930 lastLoadGameTitle, lastLoadGameUseList);
10936 /* Load the nth game from open file f */
10938 LoadGame(f, gameNumber, title, useList)
10946 int gn = gameNumber;
10947 ListGame *lg = NULL;
10948 int numPGNTags = 0;
10950 GameMode oldGameMode;
10951 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10953 if (appData.debugMode)
10954 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10956 if (gameMode == Training )
10957 SetTrainingModeOff();
10959 oldGameMode = gameMode;
10960 if (gameMode != BeginningOfGame) {
10961 Reset(FALSE, TRUE);
10965 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10966 fclose(lastLoadGameFP);
10970 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10973 fseek(f, lg->offset, 0);
10974 GameListHighlight(gameNumber);
10978 DisplayError(_("Game number out of range"), 0);
10983 if (fseek(f, 0, 0) == -1) {
10984 if (f == lastLoadGameFP ?
10985 gameNumber == lastLoadGameNumber + 1 :
10989 DisplayError(_("Can't seek on game file"), 0);
10994 lastLoadGameFP = f;
10995 lastLoadGameNumber = gameNumber;
10996 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10997 lastLoadGameUseList = useList;
11001 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11002 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11003 lg->gameInfo.black);
11005 } else if (*title != NULLCHAR) {
11006 if (gameNumber > 1) {
11007 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11010 DisplayTitle(title);
11014 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11015 gameMode = PlayFromGameFile;
11019 currentMove = forwardMostMove = backwardMostMove = 0;
11020 CopyBoard(boards[0], initialPosition);
11024 * Skip the first gn-1 games in the file.
11025 * Also skip over anything that precedes an identifiable
11026 * start of game marker, to avoid being confused by
11027 * garbage at the start of the file. Currently
11028 * recognized start of game markers are the move number "1",
11029 * the pattern "gnuchess .* game", the pattern
11030 * "^[#;%] [^ ]* game file", and a PGN tag block.
11031 * A game that starts with one of the latter two patterns
11032 * will also have a move number 1, possibly
11033 * following a position diagram.
11034 * 5-4-02: Let's try being more lenient and allowing a game to
11035 * start with an unnumbered move. Does that break anything?
11037 cm = lastLoadGameStart = EndOfFile;
11039 yyboardindex = forwardMostMove;
11040 cm = (ChessMove) Myylex();
11043 if (cmailMsgLoaded) {
11044 nCmailGames = CMAIL_MAX_GAMES - gn;
11047 DisplayError(_("Game not found in file"), 0);
11054 lastLoadGameStart = cm;
11057 case MoveNumberOne:
11058 switch (lastLoadGameStart) {
11063 case MoveNumberOne:
11065 gn--; /* count this game */
11066 lastLoadGameStart = cm;
11075 switch (lastLoadGameStart) {
11078 case MoveNumberOne:
11080 gn--; /* count this game */
11081 lastLoadGameStart = cm;
11084 lastLoadGameStart = cm; /* game counted already */
11092 yyboardindex = forwardMostMove;
11093 cm = (ChessMove) Myylex();
11094 } while (cm == PGNTag || cm == Comment);
11101 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11102 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11103 != CMAIL_OLD_RESULT) {
11105 cmailResult[ CMAIL_MAX_GAMES
11106 - gn - 1] = CMAIL_OLD_RESULT;
11112 /* Only a NormalMove can be at the start of a game
11113 * without a position diagram. */
11114 if (lastLoadGameStart == EndOfFile ) {
11116 lastLoadGameStart = MoveNumberOne;
11125 if (appData.debugMode)
11126 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11128 if (cm == XBoardGame) {
11129 /* Skip any header junk before position diagram and/or move 1 */
11131 yyboardindex = forwardMostMove;
11132 cm = (ChessMove) Myylex();
11134 if (cm == EndOfFile ||
11135 cm == GNUChessGame || cm == XBoardGame) {
11136 /* Empty game; pretend end-of-file and handle later */
11141 if (cm == MoveNumberOne || cm == PositionDiagram ||
11142 cm == PGNTag || cm == Comment)
11145 } else if (cm == GNUChessGame) {
11146 if (gameInfo.event != NULL) {
11147 free(gameInfo.event);
11149 gameInfo.event = StrSave(yy_text);
11152 startedFromSetupPosition = FALSE;
11153 while (cm == PGNTag) {
11154 if (appData.debugMode)
11155 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11156 err = ParsePGNTag(yy_text, &gameInfo);
11157 if (!err) numPGNTags++;
11159 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11160 if(gameInfo.variant != oldVariant) {
11161 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11162 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11163 InitPosition(TRUE);
11164 oldVariant = gameInfo.variant;
11165 if (appData.debugMode)
11166 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11170 if (gameInfo.fen != NULL) {
11171 Board initial_position;
11172 startedFromSetupPosition = TRUE;
11173 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11175 DisplayError(_("Bad FEN position in file"), 0);
11178 CopyBoard(boards[0], initial_position);
11179 if (blackPlaysFirst) {
11180 currentMove = forwardMostMove = backwardMostMove = 1;
11181 CopyBoard(boards[1], initial_position);
11182 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11183 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11184 timeRemaining[0][1] = whiteTimeRemaining;
11185 timeRemaining[1][1] = blackTimeRemaining;
11186 if (commentList[0] != NULL) {
11187 commentList[1] = commentList[0];
11188 commentList[0] = NULL;
11191 currentMove = forwardMostMove = backwardMostMove = 0;
11193 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11195 initialRulePlies = FENrulePlies;
11196 for( i=0; i< nrCastlingRights; i++ )
11197 initialRights[i] = initial_position[CASTLING][i];
11199 yyboardindex = forwardMostMove;
11200 free(gameInfo.fen);
11201 gameInfo.fen = NULL;
11204 yyboardindex = forwardMostMove;
11205 cm = (ChessMove) Myylex();
11207 /* Handle comments interspersed among the tags */
11208 while (cm == Comment) {
11210 if (appData.debugMode)
11211 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11213 AppendComment(currentMove, p, FALSE);
11214 yyboardindex = forwardMostMove;
11215 cm = (ChessMove) Myylex();
11219 /* don't rely on existence of Event tag since if game was
11220 * pasted from clipboard the Event tag may not exist
11222 if (numPGNTags > 0){
11224 if (gameInfo.variant == VariantNormal) {
11225 VariantClass v = StringToVariant(gameInfo.event);
11226 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11227 if(v < VariantShogi) gameInfo.variant = v;
11230 if( appData.autoDisplayTags ) {
11231 tags = PGNTags(&gameInfo);
11232 TagsPopUp(tags, CmailMsg());
11237 /* Make something up, but don't display it now */
11242 if (cm == PositionDiagram) {
11245 Board initial_position;
11247 if (appData.debugMode)
11248 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11250 if (!startedFromSetupPosition) {
11252 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11253 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11264 initial_position[i][j++] = CharToPiece(*p);
11267 while (*p == ' ' || *p == '\t' ||
11268 *p == '\n' || *p == '\r') p++;
11270 if (strncmp(p, "black", strlen("black"))==0)
11271 blackPlaysFirst = TRUE;
11273 blackPlaysFirst = FALSE;
11274 startedFromSetupPosition = TRUE;
11276 CopyBoard(boards[0], initial_position);
11277 if (blackPlaysFirst) {
11278 currentMove = forwardMostMove = backwardMostMove = 1;
11279 CopyBoard(boards[1], initial_position);
11280 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11281 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11282 timeRemaining[0][1] = whiteTimeRemaining;
11283 timeRemaining[1][1] = blackTimeRemaining;
11284 if (commentList[0] != NULL) {
11285 commentList[1] = commentList[0];
11286 commentList[0] = NULL;
11289 currentMove = forwardMostMove = backwardMostMove = 0;
11292 yyboardindex = forwardMostMove;
11293 cm = (ChessMove) Myylex();
11296 if (first.pr == NoProc) {
11297 StartChessProgram(&first);
11299 InitChessProgram(&first, FALSE);
11300 SendToProgram("force\n", &first);
11301 if (startedFromSetupPosition) {
11302 SendBoard(&first, forwardMostMove);
11303 if (appData.debugMode) {
11304 fprintf(debugFP, "Load Game\n");
11306 DisplayBothClocks();
11309 /* [HGM] server: flag to write setup moves in broadcast file as one */
11310 loadFlag = appData.suppressLoadMoves;
11312 while (cm == Comment) {
11314 if (appData.debugMode)
11315 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11317 AppendComment(currentMove, p, FALSE);
11318 yyboardindex = forwardMostMove;
11319 cm = (ChessMove) Myylex();
11322 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11323 cm == WhiteWins || cm == BlackWins ||
11324 cm == GameIsDrawn || cm == GameUnfinished) {
11325 DisplayMessage("", _("No moves in game"));
11326 if (cmailMsgLoaded) {
11327 if (appData.debugMode)
11328 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11332 DrawPosition(FALSE, boards[currentMove]);
11333 DisplayBothClocks();
11334 gameMode = EditGame;
11341 // [HGM] PV info: routine tests if comment empty
11342 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11343 DisplayComment(currentMove - 1, commentList[currentMove]);
11345 if (!matchMode && appData.timeDelay != 0)
11346 DrawPosition(FALSE, boards[currentMove]);
11348 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11349 programStats.ok_to_send = 1;
11352 /* if the first token after the PGN tags is a move
11353 * and not move number 1, retrieve it from the parser
11355 if (cm != MoveNumberOne)
11356 LoadGameOneMove(cm);
11358 /* load the remaining moves from the file */
11359 while (LoadGameOneMove(EndOfFile)) {
11360 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11361 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11364 /* rewind to the start of the game */
11365 currentMove = backwardMostMove;
11367 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11369 if (oldGameMode == AnalyzeFile ||
11370 oldGameMode == AnalyzeMode) {
11371 AnalyzeFileEvent();
11374 if (matchMode || appData.timeDelay == 0) {
11376 gameMode = EditGame;
11378 } else if (appData.timeDelay > 0) {
11379 AutoPlayGameLoop();
11382 if (appData.debugMode)
11383 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11385 loadFlag = 0; /* [HGM] true game starts */
11389 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11391 ReloadPosition(offset)
11394 int positionNumber = lastLoadPositionNumber + offset;
11395 if (lastLoadPositionFP == NULL) {
11396 DisplayError(_("No position has been loaded yet"), 0);
11399 if (positionNumber <= 0) {
11400 DisplayError(_("Can't back up any further"), 0);
11403 return LoadPosition(lastLoadPositionFP, positionNumber,
11404 lastLoadPositionTitle);
11407 /* Load the nth position from the given file */
11409 LoadPositionFromFile(filename, n, title)
11417 if (strcmp(filename, "-") == 0) {
11418 return LoadPosition(stdin, n, "stdin");
11420 f = fopen(filename, "rb");
11422 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11423 DisplayError(buf, errno);
11426 return LoadPosition(f, n, title);
11431 /* Load the nth position from the given open file, and close it */
11433 LoadPosition(f, positionNumber, title)
11435 int positionNumber;
11438 char *p, line[MSG_SIZ];
11439 Board initial_position;
11440 int i, j, fenMode, pn;
11442 if (gameMode == Training )
11443 SetTrainingModeOff();
11445 if (gameMode != BeginningOfGame) {
11446 Reset(FALSE, TRUE);
11448 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11449 fclose(lastLoadPositionFP);
11451 if (positionNumber == 0) positionNumber = 1;
11452 lastLoadPositionFP = f;
11453 lastLoadPositionNumber = positionNumber;
11454 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11455 if (first.pr == NoProc) {
11456 StartChessProgram(&first);
11457 InitChessProgram(&first, FALSE);
11459 pn = positionNumber;
11460 if (positionNumber < 0) {
11461 /* Negative position number means to seek to that byte offset */
11462 if (fseek(f, -positionNumber, 0) == -1) {
11463 DisplayError(_("Can't seek on position file"), 0);
11468 if (fseek(f, 0, 0) == -1) {
11469 if (f == lastLoadPositionFP ?
11470 positionNumber == lastLoadPositionNumber + 1 :
11471 positionNumber == 1) {
11474 DisplayError(_("Can't seek on position file"), 0);
11479 /* See if this file is FEN or old-style xboard */
11480 if (fgets(line, MSG_SIZ, f) == NULL) {
11481 DisplayError(_("Position not found in file"), 0);
11484 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11485 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11488 if (fenMode || line[0] == '#') pn--;
11490 /* skip positions before number pn */
11491 if (fgets(line, MSG_SIZ, f) == NULL) {
11493 DisplayError(_("Position not found in file"), 0);
11496 if (fenMode || line[0] == '#') pn--;
11501 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11502 DisplayError(_("Bad FEN position in file"), 0);
11506 (void) fgets(line, MSG_SIZ, f);
11507 (void) fgets(line, MSG_SIZ, f);
11509 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11510 (void) fgets(line, MSG_SIZ, f);
11511 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11514 initial_position[i][j++] = CharToPiece(*p);
11518 blackPlaysFirst = FALSE;
11520 (void) fgets(line, MSG_SIZ, f);
11521 if (strncmp(line, "black", strlen("black"))==0)
11522 blackPlaysFirst = TRUE;
11525 startedFromSetupPosition = TRUE;
11527 SendToProgram("force\n", &first);
11528 CopyBoard(boards[0], initial_position);
11529 if (blackPlaysFirst) {
11530 currentMove = forwardMostMove = backwardMostMove = 1;
11531 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11532 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11533 CopyBoard(boards[1], initial_position);
11534 DisplayMessage("", _("Black to play"));
11536 currentMove = forwardMostMove = backwardMostMove = 0;
11537 DisplayMessage("", _("White to play"));
11539 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11540 SendBoard(&first, forwardMostMove);
11541 if (appData.debugMode) {
11543 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11544 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11545 fprintf(debugFP, "Load Position\n");
11548 if (positionNumber > 1) {
11549 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11550 DisplayTitle(line);
11552 DisplayTitle(title);
11554 gameMode = EditGame;
11557 timeRemaining[0][1] = whiteTimeRemaining;
11558 timeRemaining[1][1] = blackTimeRemaining;
11559 DrawPosition(FALSE, boards[currentMove]);
11566 CopyPlayerNameIntoFileName(dest, src)
11569 while (*src != NULLCHAR && *src != ',') {
11574 *(*dest)++ = *src++;
11579 char *DefaultFileName(ext)
11582 static char def[MSG_SIZ];
11585 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11587 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11589 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11591 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11598 /* Save the current game to the given file */
11600 SaveGameToFile(filename, append)
11608 if (strcmp(filename, "-") == 0) {
11609 return SaveGame(stdout, 0, NULL);
11611 f = fopen(filename, append ? "a" : "w");
11613 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11614 DisplayError(buf, errno);
11617 safeStrCpy(buf, lastMsg, MSG_SIZ);
11618 DisplayMessage(_("Waiting for access to save file"), "");
11619 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11620 DisplayMessage(_("Saving game"), "");
11621 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11622 result = SaveGame(f, 0, NULL);
11623 DisplayMessage(buf, "");
11633 static char buf[MSG_SIZ];
11636 p = strchr(str, ' ');
11637 if (p == NULL) return str;
11638 strncpy(buf, str, p - str);
11639 buf[p - str] = NULLCHAR;
11643 #define PGN_MAX_LINE 75
11645 #define PGN_SIDE_WHITE 0
11646 #define PGN_SIDE_BLACK 1
11649 static int FindFirstMoveOutOfBook( int side )
11653 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11654 int index = backwardMostMove;
11655 int has_book_hit = 0;
11657 if( (index % 2) != side ) {
11661 while( index < forwardMostMove ) {
11662 /* Check to see if engine is in book */
11663 int depth = pvInfoList[index].depth;
11664 int score = pvInfoList[index].score;
11670 else if( score == 0 && depth == 63 ) {
11671 in_book = 1; /* Zappa */
11673 else if( score == 2 && depth == 99 ) {
11674 in_book = 1; /* Abrok */
11677 has_book_hit += in_book;
11693 void GetOutOfBookInfo( char * buf )
11697 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11699 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11700 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11704 if( oob[0] >= 0 || oob[1] >= 0 ) {
11705 for( i=0; i<2; i++ ) {
11709 if( i > 0 && oob[0] >= 0 ) {
11710 strcat( buf, " " );
11713 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11714 sprintf( buf+strlen(buf), "%s%.2f",
11715 pvInfoList[idx].score >= 0 ? "+" : "",
11716 pvInfoList[idx].score / 100.0 );
11722 /* Save game in PGN style and close the file */
11727 int i, offset, linelen, newblock;
11731 int movelen, numlen, blank;
11732 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11734 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11736 tm = time((time_t *) NULL);
11738 PrintPGNTags(f, &gameInfo);
11740 if (backwardMostMove > 0 || startedFromSetupPosition) {
11741 char *fen = PositionToFEN(backwardMostMove, NULL);
11742 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11743 fprintf(f, "\n{--------------\n");
11744 PrintPosition(f, backwardMostMove);
11745 fprintf(f, "--------------}\n");
11749 /* [AS] Out of book annotation */
11750 if( appData.saveOutOfBookInfo ) {
11753 GetOutOfBookInfo( buf );
11755 if( buf[0] != '\0' ) {
11756 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11763 i = backwardMostMove;
11767 while (i < forwardMostMove) {
11768 /* Print comments preceding this move */
11769 if (commentList[i] != NULL) {
11770 if (linelen > 0) fprintf(f, "\n");
11771 fprintf(f, "%s", commentList[i]);
11776 /* Format move number */
11778 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11781 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11783 numtext[0] = NULLCHAR;
11785 numlen = strlen(numtext);
11788 /* Print move number */
11789 blank = linelen > 0 && numlen > 0;
11790 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11799 fprintf(f, "%s", numtext);
11803 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11804 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11807 blank = linelen > 0 && movelen > 0;
11808 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11817 fprintf(f, "%s", move_buffer);
11818 linelen += movelen;
11820 /* [AS] Add PV info if present */
11821 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11822 /* [HGM] add time */
11823 char buf[MSG_SIZ]; int seconds;
11825 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11831 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11834 seconds = (seconds + 4)/10; // round to full seconds
11836 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11838 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11841 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11842 pvInfoList[i].score >= 0 ? "+" : "",
11843 pvInfoList[i].score / 100.0,
11844 pvInfoList[i].depth,
11847 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11849 /* Print score/depth */
11850 blank = linelen > 0 && movelen > 0;
11851 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11860 fprintf(f, "%s", move_buffer);
11861 linelen += movelen;
11867 /* Start a new line */
11868 if (linelen > 0) fprintf(f, "\n");
11870 /* Print comments after last move */
11871 if (commentList[i] != NULL) {
11872 fprintf(f, "%s\n", commentList[i]);
11876 if (gameInfo.resultDetails != NULL &&
11877 gameInfo.resultDetails[0] != NULLCHAR) {
11878 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11879 PGNResult(gameInfo.result));
11881 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11885 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11889 /* Save game in old style and close the file */
11891 SaveGameOldStyle(f)
11897 tm = time((time_t *) NULL);
11899 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11902 if (backwardMostMove > 0 || startedFromSetupPosition) {
11903 fprintf(f, "\n[--------------\n");
11904 PrintPosition(f, backwardMostMove);
11905 fprintf(f, "--------------]\n");
11910 i = backwardMostMove;
11911 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11913 while (i < forwardMostMove) {
11914 if (commentList[i] != NULL) {
11915 fprintf(f, "[%s]\n", commentList[i]);
11918 if ((i % 2) == 1) {
11919 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11922 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11924 if (commentList[i] != NULL) {
11928 if (i >= forwardMostMove) {
11932 fprintf(f, "%s\n", parseList[i]);
11937 if (commentList[i] != NULL) {
11938 fprintf(f, "[%s]\n", commentList[i]);
11941 /* This isn't really the old style, but it's close enough */
11942 if (gameInfo.resultDetails != NULL &&
11943 gameInfo.resultDetails[0] != NULLCHAR) {
11944 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11945 gameInfo.resultDetails);
11947 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11954 /* Save the current game to open file f and close the file */
11956 SaveGame(f, dummy, dummy2)
11961 if (gameMode == EditPosition) EditPositionDone(TRUE);
11962 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11963 if (appData.oldSaveStyle)
11964 return SaveGameOldStyle(f);
11966 return SaveGamePGN(f);
11969 /* Save the current position to the given file */
11971 SavePositionToFile(filename)
11977 if (strcmp(filename, "-") == 0) {
11978 return SavePosition(stdout, 0, NULL);
11980 f = fopen(filename, "a");
11982 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11983 DisplayError(buf, errno);
11986 safeStrCpy(buf, lastMsg, MSG_SIZ);
11987 DisplayMessage(_("Waiting for access to save file"), "");
11988 flock(fileno(f), LOCK_EX); // [HGM] lock
11989 DisplayMessage(_("Saving position"), "");
11990 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
11991 SavePosition(f, 0, NULL);
11992 DisplayMessage(buf, "");
11998 /* Save the current position to the given open file and close the file */
12000 SavePosition(f, dummy, dummy2)
12008 if (gameMode == EditPosition) EditPositionDone(TRUE);
12009 if (appData.oldSaveStyle) {
12010 tm = time((time_t *) NULL);
12012 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12014 fprintf(f, "[--------------\n");
12015 PrintPosition(f, currentMove);
12016 fprintf(f, "--------------]\n");
12018 fen = PositionToFEN(currentMove, NULL);
12019 fprintf(f, "%s\n", fen);
12027 ReloadCmailMsgEvent(unregister)
12031 static char *inFilename = NULL;
12032 static char *outFilename;
12034 struct stat inbuf, outbuf;
12037 /* Any registered moves are unregistered if unregister is set, */
12038 /* i.e. invoked by the signal handler */
12040 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12041 cmailMoveRegistered[i] = FALSE;
12042 if (cmailCommentList[i] != NULL) {
12043 free(cmailCommentList[i]);
12044 cmailCommentList[i] = NULL;
12047 nCmailMovesRegistered = 0;
12050 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12051 cmailResult[i] = CMAIL_NOT_RESULT;
12055 if (inFilename == NULL) {
12056 /* Because the filenames are static they only get malloced once */
12057 /* and they never get freed */
12058 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12059 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12061 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12062 sprintf(outFilename, "%s.out", appData.cmailGameName);
12065 status = stat(outFilename, &outbuf);
12067 cmailMailedMove = FALSE;
12069 status = stat(inFilename, &inbuf);
12070 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12073 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12074 counts the games, notes how each one terminated, etc.
12076 It would be nice to remove this kludge and instead gather all
12077 the information while building the game list. (And to keep it
12078 in the game list nodes instead of having a bunch of fixed-size
12079 parallel arrays.) Note this will require getting each game's
12080 termination from the PGN tags, as the game list builder does
12081 not process the game moves. --mann
12083 cmailMsgLoaded = TRUE;
12084 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12086 /* Load first game in the file or popup game menu */
12087 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12089 #endif /* !WIN32 */
12097 char string[MSG_SIZ];
12099 if ( cmailMailedMove
12100 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12101 return TRUE; /* Allow free viewing */
12104 /* Unregister move to ensure that we don't leave RegisterMove */
12105 /* with the move registered when the conditions for registering no */
12107 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12108 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12109 nCmailMovesRegistered --;
12111 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12113 free(cmailCommentList[lastLoadGameNumber - 1]);
12114 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12118 if (cmailOldMove == -1) {
12119 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12123 if (currentMove > cmailOldMove + 1) {
12124 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12128 if (currentMove < cmailOldMove) {
12129 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12133 if (forwardMostMove > currentMove) {
12134 /* Silently truncate extra moves */
12138 if ( (currentMove == cmailOldMove + 1)
12139 || ( (currentMove == cmailOldMove)
12140 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12141 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12142 if (gameInfo.result != GameUnfinished) {
12143 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12146 if (commentList[currentMove] != NULL) {
12147 cmailCommentList[lastLoadGameNumber - 1]
12148 = StrSave(commentList[currentMove]);
12150 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12152 if (appData.debugMode)
12153 fprintf(debugFP, "Saving %s for game %d\n",
12154 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12156 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12158 f = fopen(string, "w");
12159 if (appData.oldSaveStyle) {
12160 SaveGameOldStyle(f); /* also closes the file */
12162 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12163 f = fopen(string, "w");
12164 SavePosition(f, 0, NULL); /* also closes the file */
12166 fprintf(f, "{--------------\n");
12167 PrintPosition(f, currentMove);
12168 fprintf(f, "--------------}\n\n");
12170 SaveGame(f, 0, NULL); /* also closes the file*/
12173 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12174 nCmailMovesRegistered ++;
12175 } else if (nCmailGames == 1) {
12176 DisplayError(_("You have not made a move yet"), 0);
12187 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12188 FILE *commandOutput;
12189 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12190 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12196 if (! cmailMsgLoaded) {
12197 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12201 if (nCmailGames == nCmailResults) {
12202 DisplayError(_("No unfinished games"), 0);
12206 #if CMAIL_PROHIBIT_REMAIL
12207 if (cmailMailedMove) {
12208 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);
12209 DisplayError(msg, 0);
12214 if (! (cmailMailedMove || RegisterMove())) return;
12216 if ( cmailMailedMove
12217 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12218 snprintf(string, MSG_SIZ, partCommandString,
12219 appData.debugMode ? " -v" : "", appData.cmailGameName);
12220 commandOutput = popen(string, "r");
12222 if (commandOutput == NULL) {
12223 DisplayError(_("Failed to invoke cmail"), 0);
12225 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12226 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12228 if (nBuffers > 1) {
12229 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12230 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12231 nBytes = MSG_SIZ - 1;
12233 (void) memcpy(msg, buffer, nBytes);
12235 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12237 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12238 cmailMailedMove = TRUE; /* Prevent >1 moves */
12241 for (i = 0; i < nCmailGames; i ++) {
12242 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12247 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12249 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12251 appData.cmailGameName,
12253 LoadGameFromFile(buffer, 1, buffer, FALSE);
12254 cmailMsgLoaded = FALSE;
12258 DisplayInformation(msg);
12259 pclose(commandOutput);
12262 if ((*cmailMsg) != '\0') {
12263 DisplayInformation(cmailMsg);
12268 #endif /* !WIN32 */
12277 int prependComma = 0;
12279 char string[MSG_SIZ]; /* Space for game-list */
12282 if (!cmailMsgLoaded) return "";
12284 if (cmailMailedMove) {
12285 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12287 /* Create a list of games left */
12288 snprintf(string, MSG_SIZ, "[");
12289 for (i = 0; i < nCmailGames; i ++) {
12290 if (! ( cmailMoveRegistered[i]
12291 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12292 if (prependComma) {
12293 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12295 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12299 strcat(string, number);
12302 strcat(string, "]");
12304 if (nCmailMovesRegistered + nCmailResults == 0) {
12305 switch (nCmailGames) {
12307 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12311 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12315 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12320 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12322 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12327 if (nCmailResults == nCmailGames) {
12328 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12330 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12335 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12347 if (gameMode == Training)
12348 SetTrainingModeOff();
12351 cmailMsgLoaded = FALSE;
12352 if (appData.icsActive) {
12353 SendToICS(ics_prefix);
12354 SendToICS("refresh\n");
12364 /* Give up on clean exit */
12368 /* Keep trying for clean exit */
12372 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12374 if (telnetISR != NULL) {
12375 RemoveInputSource(telnetISR);
12377 if (icsPR != NoProc) {
12378 DestroyChildProcess(icsPR, TRUE);
12381 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12382 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12384 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12385 /* make sure this other one finishes before killing it! */
12386 if(endingGame) { int count = 0;
12387 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12388 while(endingGame && count++ < 10) DoSleep(1);
12389 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12392 /* Kill off chess programs */
12393 if (first.pr != NoProc) {
12396 DoSleep( appData.delayBeforeQuit );
12397 SendToProgram("quit\n", &first);
12398 DoSleep( appData.delayAfterQuit );
12399 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12401 if (second.pr != NoProc) {
12402 DoSleep( appData.delayBeforeQuit );
12403 SendToProgram("quit\n", &second);
12404 DoSleep( appData.delayAfterQuit );
12405 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12407 if (first.isr != NULL) {
12408 RemoveInputSource(first.isr);
12410 if (second.isr != NULL) {
12411 RemoveInputSource(second.isr);
12414 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12415 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12417 ShutDownFrontEnd();
12424 if (appData.debugMode)
12425 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12429 if (gameMode == MachinePlaysWhite ||
12430 gameMode == MachinePlaysBlack) {
12433 DisplayBothClocks();
12435 if (gameMode == PlayFromGameFile) {
12436 if (appData.timeDelay >= 0)
12437 AutoPlayGameLoop();
12438 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12439 Reset(FALSE, TRUE);
12440 SendToICS(ics_prefix);
12441 SendToICS("refresh\n");
12442 } else if (currentMove < forwardMostMove) {
12443 ForwardInner(forwardMostMove);
12445 pauseExamInvalid = FALSE;
12447 switch (gameMode) {
12451 pauseExamForwardMostMove = forwardMostMove;
12452 pauseExamInvalid = FALSE;
12455 case IcsPlayingWhite:
12456 case IcsPlayingBlack:
12460 case PlayFromGameFile:
12461 (void) StopLoadGameTimer();
12465 case BeginningOfGame:
12466 if (appData.icsActive) return;
12467 /* else fall through */
12468 case MachinePlaysWhite:
12469 case MachinePlaysBlack:
12470 case TwoMachinesPlay:
12471 if (forwardMostMove == 0)
12472 return; /* don't pause if no one has moved */
12473 if ((gameMode == MachinePlaysWhite &&
12474 !WhiteOnMove(forwardMostMove)) ||
12475 (gameMode == MachinePlaysBlack &&
12476 WhiteOnMove(forwardMostMove))) {
12489 char title[MSG_SIZ];
12491 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12492 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12494 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12495 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12496 parseList[currentMove - 1]);
12499 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12506 char *tags = PGNTags(&gameInfo);
12508 EditTagsPopUp(tags, NULL);
12515 if (appData.noChessProgram || gameMode == AnalyzeMode)
12518 if (gameMode != AnalyzeFile) {
12519 if (!appData.icsEngineAnalyze) {
12521 if (gameMode != EditGame) return;
12523 ResurrectChessProgram();
12524 SendToProgram("analyze\n", &first);
12525 first.analyzing = TRUE;
12526 /*first.maybeThinking = TRUE;*/
12527 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12528 EngineOutputPopUp();
12530 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12535 StartAnalysisClock();
12536 GetTimeMark(&lastNodeCountTime);
12543 if (appData.noChessProgram || gameMode == AnalyzeFile)
12546 if (gameMode != AnalyzeMode) {
12548 if (gameMode != EditGame) return;
12549 ResurrectChessProgram();
12550 SendToProgram("analyze\n", &first);
12551 first.analyzing = TRUE;
12552 /*first.maybeThinking = TRUE;*/
12553 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12554 EngineOutputPopUp();
12556 gameMode = AnalyzeFile;
12561 StartAnalysisClock();
12562 GetTimeMark(&lastNodeCountTime);
12567 MachineWhiteEvent()
12570 char *bookHit = NULL;
12572 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12576 if (gameMode == PlayFromGameFile ||
12577 gameMode == TwoMachinesPlay ||
12578 gameMode == Training ||
12579 gameMode == AnalyzeMode ||
12580 gameMode == EndOfGame)
12583 if (gameMode == EditPosition)
12584 EditPositionDone(TRUE);
12586 if (!WhiteOnMove(currentMove)) {
12587 DisplayError(_("It is not White's turn"), 0);
12591 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12594 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12595 gameMode == AnalyzeFile)
12598 ResurrectChessProgram(); /* in case it isn't running */
12599 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12600 gameMode = MachinePlaysWhite;
12603 gameMode = MachinePlaysWhite;
12607 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12609 if (first.sendName) {
12610 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12611 SendToProgram(buf, &first);
12613 if (first.sendTime) {
12614 if (first.useColors) {
12615 SendToProgram("black\n", &first); /*gnu kludge*/
12617 SendTimeRemaining(&first, TRUE);
12619 if (first.useColors) {
12620 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12622 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12623 SetMachineThinkingEnables();
12624 first.maybeThinking = TRUE;
12628 if (appData.autoFlipView && !flipView) {
12629 flipView = !flipView;
12630 DrawPosition(FALSE, NULL);
12631 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12634 if(bookHit) { // [HGM] book: simulate book reply
12635 static char bookMove[MSG_SIZ]; // a bit generous?
12637 programStats.nodes = programStats.depth = programStats.time =
12638 programStats.score = programStats.got_only_move = 0;
12639 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12641 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12642 strcat(bookMove, bookHit);
12643 HandleMachineMove(bookMove, &first);
12648 MachineBlackEvent()
12651 char *bookHit = NULL;
12653 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12657 if (gameMode == PlayFromGameFile ||
12658 gameMode == TwoMachinesPlay ||
12659 gameMode == Training ||
12660 gameMode == AnalyzeMode ||
12661 gameMode == EndOfGame)
12664 if (gameMode == EditPosition)
12665 EditPositionDone(TRUE);
12667 if (WhiteOnMove(currentMove)) {
12668 DisplayError(_("It is not Black's turn"), 0);
12672 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12675 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12676 gameMode == AnalyzeFile)
12679 ResurrectChessProgram(); /* in case it isn't running */
12680 gameMode = MachinePlaysBlack;
12684 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12686 if (first.sendName) {
12687 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12688 SendToProgram(buf, &first);
12690 if (first.sendTime) {
12691 if (first.useColors) {
12692 SendToProgram("white\n", &first); /*gnu kludge*/
12694 SendTimeRemaining(&first, FALSE);
12696 if (first.useColors) {
12697 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12699 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12700 SetMachineThinkingEnables();
12701 first.maybeThinking = TRUE;
12704 if (appData.autoFlipView && flipView) {
12705 flipView = !flipView;
12706 DrawPosition(FALSE, NULL);
12707 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12709 if(bookHit) { // [HGM] book: simulate book reply
12710 static char bookMove[MSG_SIZ]; // a bit generous?
12712 programStats.nodes = programStats.depth = programStats.time =
12713 programStats.score = programStats.got_only_move = 0;
12714 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12716 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12717 strcat(bookMove, bookHit);
12718 HandleMachineMove(bookMove, &first);
12724 DisplayTwoMachinesTitle()
12727 if (appData.matchGames > 0) {
12728 if(appData.tourneyFile[0]) {
12729 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
12730 gameInfo.white, gameInfo.black,
12731 nextGame+1, appData.matchGames+1,
12732 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
12734 if (first.twoMachinesColor[0] == 'w') {
12735 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12736 gameInfo.white, gameInfo.black,
12737 first.matchWins, second.matchWins,
12738 matchGame - 1 - (first.matchWins + second.matchWins));
12740 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12741 gameInfo.white, gameInfo.black,
12742 second.matchWins, first.matchWins,
12743 matchGame - 1 - (first.matchWins + second.matchWins));
12746 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12752 SettingsMenuIfReady()
12754 if (second.lastPing != second.lastPong) {
12755 DisplayMessage("", _("Waiting for second chess program"));
12756 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12760 DisplayMessage("", "");
12761 SettingsPopUp(&second);
12765 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12768 if (cps->pr == NULL) {
12769 StartChessProgram(cps);
12770 if (cps->protocolVersion == 1) {
12773 /* kludge: allow timeout for initial "feature" command */
12775 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12776 DisplayMessage("", buf);
12777 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12785 TwoMachinesEvent P((void))
12789 ChessProgramState *onmove;
12790 char *bookHit = NULL;
12791 static int stalling = 0;
12795 if (appData.noChessProgram) return;
12797 switch (gameMode) {
12798 case TwoMachinesPlay:
12800 case MachinePlaysWhite:
12801 case MachinePlaysBlack:
12802 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12803 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12807 case BeginningOfGame:
12808 case PlayFromGameFile:
12811 if (gameMode != EditGame) return;
12814 EditPositionDone(TRUE);
12825 // forwardMostMove = currentMove;
12826 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12828 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12830 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12831 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12832 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12836 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12837 SendToProgram("force\n", &second);
12839 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12842 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12843 if(appData.matchPause>10000 || appData.matchPause<10)
12844 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12845 wait = SubtractTimeMarks(&now, &pauseStart);
12846 if(wait < appData.matchPause) {
12847 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12851 DisplayMessage("", "");
12852 if (startedFromSetupPosition) {
12853 SendBoard(&second, backwardMostMove);
12854 if (appData.debugMode) {
12855 fprintf(debugFP, "Two Machines\n");
12858 for (i = backwardMostMove; i < forwardMostMove; i++) {
12859 SendMoveToProgram(i, &second);
12862 gameMode = TwoMachinesPlay;
12864 ModeHighlight(); // [HGM] logo: this triggers display update of logos
12866 DisplayTwoMachinesTitle();
12868 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12873 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12874 SendToProgram(first.computerString, &first);
12875 if (first.sendName) {
12876 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12877 SendToProgram(buf, &first);
12879 SendToProgram(second.computerString, &second);
12880 if (second.sendName) {
12881 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12882 SendToProgram(buf, &second);
12886 if (!first.sendTime || !second.sendTime) {
12887 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12888 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12890 if (onmove->sendTime) {
12891 if (onmove->useColors) {
12892 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12894 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12896 if (onmove->useColors) {
12897 SendToProgram(onmove->twoMachinesColor, onmove);
12899 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12900 // SendToProgram("go\n", onmove);
12901 onmove->maybeThinking = TRUE;
12902 SetMachineThinkingEnables();
12906 if(bookHit) { // [HGM] book: simulate book reply
12907 static char bookMove[MSG_SIZ]; // a bit generous?
12909 programStats.nodes = programStats.depth = programStats.time =
12910 programStats.score = programStats.got_only_move = 0;
12911 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12913 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12914 strcat(bookMove, bookHit);
12915 savedMessage = bookMove; // args for deferred call
12916 savedState = onmove;
12917 ScheduleDelayedEvent(DeferredBookMove, 1);
12924 if (gameMode == Training) {
12925 SetTrainingModeOff();
12926 gameMode = PlayFromGameFile;
12927 DisplayMessage("", _("Training mode off"));
12929 gameMode = Training;
12930 animateTraining = appData.animate;
12932 /* make sure we are not already at the end of the game */
12933 if (currentMove < forwardMostMove) {
12934 SetTrainingModeOn();
12935 DisplayMessage("", _("Training mode on"));
12937 gameMode = PlayFromGameFile;
12938 DisplayError(_("Already at end of game"), 0);
12947 if (!appData.icsActive) return;
12948 switch (gameMode) {
12949 case IcsPlayingWhite:
12950 case IcsPlayingBlack:
12953 case BeginningOfGame:
12961 EditPositionDone(TRUE);
12974 gameMode = IcsIdle;
12985 switch (gameMode) {
12987 SetTrainingModeOff();
12989 case MachinePlaysWhite:
12990 case MachinePlaysBlack:
12991 case BeginningOfGame:
12992 SendToProgram("force\n", &first);
12993 SetUserThinkingEnables();
12995 case PlayFromGameFile:
12996 (void) StopLoadGameTimer();
12997 if (gameFileFP != NULL) {
13002 EditPositionDone(TRUE);
13007 SendToProgram("force\n", &first);
13009 case TwoMachinesPlay:
13010 GameEnds(EndOfFile, NULL, GE_PLAYER);
13011 ResurrectChessProgram();
13012 SetUserThinkingEnables();
13015 ResurrectChessProgram();
13017 case IcsPlayingBlack:
13018 case IcsPlayingWhite:
13019 DisplayError(_("Warning: You are still playing a game"), 0);
13022 DisplayError(_("Warning: You are still observing a game"), 0);
13025 DisplayError(_("Warning: You are still examining a game"), 0);
13036 first.offeredDraw = second.offeredDraw = 0;
13038 if (gameMode == PlayFromGameFile) {
13039 whiteTimeRemaining = timeRemaining[0][currentMove];
13040 blackTimeRemaining = timeRemaining[1][currentMove];
13044 if (gameMode == MachinePlaysWhite ||
13045 gameMode == MachinePlaysBlack ||
13046 gameMode == TwoMachinesPlay ||
13047 gameMode == EndOfGame) {
13048 i = forwardMostMove;
13049 while (i > currentMove) {
13050 SendToProgram("undo\n", &first);
13053 whiteTimeRemaining = timeRemaining[0][currentMove];
13054 blackTimeRemaining = timeRemaining[1][currentMove];
13055 DisplayBothClocks();
13056 if (whiteFlag || blackFlag) {
13057 whiteFlag = blackFlag = 0;
13062 gameMode = EditGame;
13069 EditPositionEvent()
13071 if (gameMode == EditPosition) {
13077 if (gameMode != EditGame) return;
13079 gameMode = EditPosition;
13082 if (currentMove > 0)
13083 CopyBoard(boards[0], boards[currentMove]);
13085 blackPlaysFirst = !WhiteOnMove(currentMove);
13087 currentMove = forwardMostMove = backwardMostMove = 0;
13088 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13095 /* [DM] icsEngineAnalyze - possible call from other functions */
13096 if (appData.icsEngineAnalyze) {
13097 appData.icsEngineAnalyze = FALSE;
13099 DisplayMessage("",_("Close ICS engine analyze..."));
13101 if (first.analysisSupport && first.analyzing) {
13102 SendToProgram("exit\n", &first);
13103 first.analyzing = FALSE;
13105 thinkOutput[0] = NULLCHAR;
13109 EditPositionDone(Boolean fakeRights)
13111 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13113 startedFromSetupPosition = TRUE;
13114 InitChessProgram(&first, FALSE);
13115 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13116 boards[0][EP_STATUS] = EP_NONE;
13117 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13118 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13119 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13120 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13121 } else boards[0][CASTLING][2] = NoRights;
13122 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13123 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13124 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13125 } else boards[0][CASTLING][5] = NoRights;
13127 SendToProgram("force\n", &first);
13128 if (blackPlaysFirst) {
13129 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13130 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13131 currentMove = forwardMostMove = backwardMostMove = 1;
13132 CopyBoard(boards[1], boards[0]);
13134 currentMove = forwardMostMove = backwardMostMove = 0;
13136 SendBoard(&first, forwardMostMove);
13137 if (appData.debugMode) {
13138 fprintf(debugFP, "EditPosDone\n");
13141 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13142 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13143 gameMode = EditGame;
13145 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13146 ClearHighlights(); /* [AS] */
13149 /* Pause for `ms' milliseconds */
13150 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13160 } while (SubtractTimeMarks(&m2, &m1) < ms);
13163 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13165 SendMultiLineToICS(buf)
13168 char temp[MSG_SIZ+1], *p;
13175 strncpy(temp, buf, len);
13180 if (*p == '\n' || *p == '\r')
13185 strcat(temp, "\n");
13187 SendToPlayer(temp, strlen(temp));
13191 SetWhiteToPlayEvent()
13193 if (gameMode == EditPosition) {
13194 blackPlaysFirst = FALSE;
13195 DisplayBothClocks(); /* works because currentMove is 0 */
13196 } else if (gameMode == IcsExamining) {
13197 SendToICS(ics_prefix);
13198 SendToICS("tomove white\n");
13203 SetBlackToPlayEvent()
13205 if (gameMode == EditPosition) {
13206 blackPlaysFirst = TRUE;
13207 currentMove = 1; /* kludge */
13208 DisplayBothClocks();
13210 } else if (gameMode == IcsExamining) {
13211 SendToICS(ics_prefix);
13212 SendToICS("tomove black\n");
13217 EditPositionMenuEvent(selection, x, y)
13218 ChessSquare selection;
13222 ChessSquare piece = boards[0][y][x];
13224 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13226 switch (selection) {
13228 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13229 SendToICS(ics_prefix);
13230 SendToICS("bsetup clear\n");
13231 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13232 SendToICS(ics_prefix);
13233 SendToICS("clearboard\n");
13235 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13236 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13237 for (y = 0; y < BOARD_HEIGHT; y++) {
13238 if (gameMode == IcsExamining) {
13239 if (boards[currentMove][y][x] != EmptySquare) {
13240 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13245 boards[0][y][x] = p;
13250 if (gameMode == EditPosition) {
13251 DrawPosition(FALSE, boards[0]);
13256 SetWhiteToPlayEvent();
13260 SetBlackToPlayEvent();
13264 if (gameMode == IcsExamining) {
13265 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13266 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13269 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13270 if(x == BOARD_LEFT-2) {
13271 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13272 boards[0][y][1] = 0;
13274 if(x == BOARD_RGHT+1) {
13275 if(y >= gameInfo.holdingsSize) break;
13276 boards[0][y][BOARD_WIDTH-2] = 0;
13279 boards[0][y][x] = EmptySquare;
13280 DrawPosition(FALSE, boards[0]);
13285 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13286 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13287 selection = (ChessSquare) (PROMOTED piece);
13288 } else if(piece == EmptySquare) selection = WhiteSilver;
13289 else selection = (ChessSquare)((int)piece - 1);
13293 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13294 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13295 selection = (ChessSquare) (DEMOTED piece);
13296 } else if(piece == EmptySquare) selection = BlackSilver;
13297 else selection = (ChessSquare)((int)piece + 1);
13302 if(gameInfo.variant == VariantShatranj ||
13303 gameInfo.variant == VariantXiangqi ||
13304 gameInfo.variant == VariantCourier ||
13305 gameInfo.variant == VariantMakruk )
13306 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13311 if(gameInfo.variant == VariantXiangqi)
13312 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13313 if(gameInfo.variant == VariantKnightmate)
13314 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13317 if (gameMode == IcsExamining) {
13318 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13319 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13320 PieceToChar(selection), AAA + x, ONE + y);
13323 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13325 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13326 n = PieceToNumber(selection - BlackPawn);
13327 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13328 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13329 boards[0][BOARD_HEIGHT-1-n][1]++;
13331 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13332 n = PieceToNumber(selection);
13333 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13334 boards[0][n][BOARD_WIDTH-1] = selection;
13335 boards[0][n][BOARD_WIDTH-2]++;
13338 boards[0][y][x] = selection;
13339 DrawPosition(TRUE, boards[0]);
13347 DropMenuEvent(selection, x, y)
13348 ChessSquare selection;
13351 ChessMove moveType;
13353 switch (gameMode) {
13354 case IcsPlayingWhite:
13355 case MachinePlaysBlack:
13356 if (!WhiteOnMove(currentMove)) {
13357 DisplayMoveError(_("It is Black's turn"));
13360 moveType = WhiteDrop;
13362 case IcsPlayingBlack:
13363 case MachinePlaysWhite:
13364 if (WhiteOnMove(currentMove)) {
13365 DisplayMoveError(_("It is White's turn"));
13368 moveType = BlackDrop;
13371 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13377 if (moveType == BlackDrop && selection < BlackPawn) {
13378 selection = (ChessSquare) ((int) selection
13379 + (int) BlackPawn - (int) WhitePawn);
13381 if (boards[currentMove][y][x] != EmptySquare) {
13382 DisplayMoveError(_("That square is occupied"));
13386 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13392 /* Accept a pending offer of any kind from opponent */
13394 if (appData.icsActive) {
13395 SendToICS(ics_prefix);
13396 SendToICS("accept\n");
13397 } else if (cmailMsgLoaded) {
13398 if (currentMove == cmailOldMove &&
13399 commentList[cmailOldMove] != NULL &&
13400 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13401 "Black offers a draw" : "White offers a draw")) {
13403 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13404 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13406 DisplayError(_("There is no pending offer on this move"), 0);
13407 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13410 /* Not used for offers from chess program */
13417 /* Decline a pending offer of any kind from opponent */
13419 if (appData.icsActive) {
13420 SendToICS(ics_prefix);
13421 SendToICS("decline\n");
13422 } else if (cmailMsgLoaded) {
13423 if (currentMove == cmailOldMove &&
13424 commentList[cmailOldMove] != NULL &&
13425 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13426 "Black offers a draw" : "White offers a draw")) {
13428 AppendComment(cmailOldMove, "Draw declined", TRUE);
13429 DisplayComment(cmailOldMove - 1, "Draw declined");
13432 DisplayError(_("There is no pending offer on this move"), 0);
13435 /* Not used for offers from chess program */
13442 /* Issue ICS rematch command */
13443 if (appData.icsActive) {
13444 SendToICS(ics_prefix);
13445 SendToICS("rematch\n");
13452 /* Call your opponent's flag (claim a win on time) */
13453 if (appData.icsActive) {
13454 SendToICS(ics_prefix);
13455 SendToICS("flag\n");
13457 switch (gameMode) {
13460 case MachinePlaysWhite:
13463 GameEnds(GameIsDrawn, "Both players ran out of time",
13466 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13468 DisplayError(_("Your opponent is not out of time"), 0);
13471 case MachinePlaysBlack:
13474 GameEnds(GameIsDrawn, "Both players ran out of time",
13477 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13479 DisplayError(_("Your opponent is not out of time"), 0);
13487 ClockClick(int which)
13488 { // [HGM] code moved to back-end from winboard.c
13489 if(which) { // black clock
13490 if (gameMode == EditPosition || gameMode == IcsExamining) {
13491 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13492 SetBlackToPlayEvent();
13493 } else if (gameMode == EditGame || shiftKey) {
13494 AdjustClock(which, -1);
13495 } else if (gameMode == IcsPlayingWhite ||
13496 gameMode == MachinePlaysBlack) {
13499 } else { // white clock
13500 if (gameMode == EditPosition || gameMode == IcsExamining) {
13501 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13502 SetWhiteToPlayEvent();
13503 } else if (gameMode == EditGame || shiftKey) {
13504 AdjustClock(which, -1);
13505 } else if (gameMode == IcsPlayingBlack ||
13506 gameMode == MachinePlaysWhite) {
13515 /* Offer draw or accept pending draw offer from opponent */
13517 if (appData.icsActive) {
13518 /* Note: tournament rules require draw offers to be
13519 made after you make your move but before you punch
13520 your clock. Currently ICS doesn't let you do that;
13521 instead, you immediately punch your clock after making
13522 a move, but you can offer a draw at any time. */
13524 SendToICS(ics_prefix);
13525 SendToICS("draw\n");
13526 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13527 } else if (cmailMsgLoaded) {
13528 if (currentMove == cmailOldMove &&
13529 commentList[cmailOldMove] != NULL &&
13530 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13531 "Black offers a draw" : "White offers a draw")) {
13532 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13533 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13534 } else if (currentMove == cmailOldMove + 1) {
13535 char *offer = WhiteOnMove(cmailOldMove) ?
13536 "White offers a draw" : "Black offers a draw";
13537 AppendComment(currentMove, offer, TRUE);
13538 DisplayComment(currentMove - 1, offer);
13539 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13541 DisplayError(_("You must make your move before offering a draw"), 0);
13542 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13544 } else if (first.offeredDraw) {
13545 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13547 if (first.sendDrawOffers) {
13548 SendToProgram("draw\n", &first);
13549 userOfferedDraw = TRUE;
13557 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13559 if (appData.icsActive) {
13560 SendToICS(ics_prefix);
13561 SendToICS("adjourn\n");
13563 /* Currently GNU Chess doesn't offer or accept Adjourns */
13571 /* Offer Abort or accept pending Abort offer from opponent */
13573 if (appData.icsActive) {
13574 SendToICS(ics_prefix);
13575 SendToICS("abort\n");
13577 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13584 /* Resign. You can do this even if it's not your turn. */
13586 if (appData.icsActive) {
13587 SendToICS(ics_prefix);
13588 SendToICS("resign\n");
13590 switch (gameMode) {
13591 case MachinePlaysWhite:
13592 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13594 case MachinePlaysBlack:
13595 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13598 if (cmailMsgLoaded) {
13600 if (WhiteOnMove(cmailOldMove)) {
13601 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13603 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13605 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13616 StopObservingEvent()
13618 /* Stop observing current games */
13619 SendToICS(ics_prefix);
13620 SendToICS("unobserve\n");
13624 StopExaminingEvent()
13626 /* Stop observing current game */
13627 SendToICS(ics_prefix);
13628 SendToICS("unexamine\n");
13632 ForwardInner(target)
13637 if (appData.debugMode)
13638 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13639 target, currentMove, forwardMostMove);
13641 if (gameMode == EditPosition)
13644 if (gameMode == PlayFromGameFile && !pausing)
13647 if (gameMode == IcsExamining && pausing)
13648 limit = pauseExamForwardMostMove;
13650 limit = forwardMostMove;
13652 if (target > limit) target = limit;
13654 if (target > 0 && moveList[target - 1][0]) {
13655 int fromX, fromY, toX, toY;
13656 toX = moveList[target - 1][2] - AAA;
13657 toY = moveList[target - 1][3] - ONE;
13658 if (moveList[target - 1][1] == '@') {
13659 if (appData.highlightLastMove) {
13660 SetHighlights(-1, -1, toX, toY);
13663 fromX = moveList[target - 1][0] - AAA;
13664 fromY = moveList[target - 1][1] - ONE;
13665 if (target == currentMove + 1) {
13666 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13668 if (appData.highlightLastMove) {
13669 SetHighlights(fromX, fromY, toX, toY);
13673 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13674 gameMode == Training || gameMode == PlayFromGameFile ||
13675 gameMode == AnalyzeFile) {
13676 while (currentMove < target) {
13677 SendMoveToProgram(currentMove++, &first);
13680 currentMove = target;
13683 if (gameMode == EditGame || gameMode == EndOfGame) {
13684 whiteTimeRemaining = timeRemaining[0][currentMove];
13685 blackTimeRemaining = timeRemaining[1][currentMove];
13687 DisplayBothClocks();
13688 DisplayMove(currentMove - 1);
13689 DrawPosition(FALSE, boards[currentMove]);
13690 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13691 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13692 DisplayComment(currentMove - 1, commentList[currentMove]);
13694 DisplayBook(currentMove);
13701 if (gameMode == IcsExamining && !pausing) {
13702 SendToICS(ics_prefix);
13703 SendToICS("forward\n");
13705 ForwardInner(currentMove + 1);
13712 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13713 /* to optimze, we temporarily turn off analysis mode while we feed
13714 * the remaining moves to the engine. Otherwise we get analysis output
13717 if (first.analysisSupport) {
13718 SendToProgram("exit\nforce\n", &first);
13719 first.analyzing = FALSE;
13723 if (gameMode == IcsExamining && !pausing) {
13724 SendToICS(ics_prefix);
13725 SendToICS("forward 999999\n");
13727 ForwardInner(forwardMostMove);
13730 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13731 /* we have fed all the moves, so reactivate analysis mode */
13732 SendToProgram("analyze\n", &first);
13733 first.analyzing = TRUE;
13734 /*first.maybeThinking = TRUE;*/
13735 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13740 BackwardInner(target)
13743 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13745 if (appData.debugMode)
13746 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13747 target, currentMove, forwardMostMove);
13749 if (gameMode == EditPosition) return;
13750 if (currentMove <= backwardMostMove) {
13752 DrawPosition(full_redraw, boards[currentMove]);
13755 if (gameMode == PlayFromGameFile && !pausing)
13758 if (moveList[target][0]) {
13759 int fromX, fromY, toX, toY;
13760 toX = moveList[target][2] - AAA;
13761 toY = moveList[target][3] - ONE;
13762 if (moveList[target][1] == '@') {
13763 if (appData.highlightLastMove) {
13764 SetHighlights(-1, -1, toX, toY);
13767 fromX = moveList[target][0] - AAA;
13768 fromY = moveList[target][1] - ONE;
13769 if (target == currentMove - 1) {
13770 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13772 if (appData.highlightLastMove) {
13773 SetHighlights(fromX, fromY, toX, toY);
13777 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13778 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13779 while (currentMove > target) {
13780 SendToProgram("undo\n", &first);
13784 currentMove = target;
13787 if (gameMode == EditGame || gameMode == EndOfGame) {
13788 whiteTimeRemaining = timeRemaining[0][currentMove];
13789 blackTimeRemaining = timeRemaining[1][currentMove];
13791 DisplayBothClocks();
13792 DisplayMove(currentMove - 1);
13793 DrawPosition(full_redraw, boards[currentMove]);
13794 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13795 // [HGM] PV info: routine tests if comment empty
13796 DisplayComment(currentMove - 1, commentList[currentMove]);
13797 DisplayBook(currentMove);
13803 if (gameMode == IcsExamining && !pausing) {
13804 SendToICS(ics_prefix);
13805 SendToICS("backward\n");
13807 BackwardInner(currentMove - 1);
13814 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13815 /* to optimize, we temporarily turn off analysis mode while we undo
13816 * all the moves. Otherwise we get analysis output after each undo.
13818 if (first.analysisSupport) {
13819 SendToProgram("exit\nforce\n", &first);
13820 first.analyzing = FALSE;
13824 if (gameMode == IcsExamining && !pausing) {
13825 SendToICS(ics_prefix);
13826 SendToICS("backward 999999\n");
13828 BackwardInner(backwardMostMove);
13831 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13832 /* we have fed all the moves, so reactivate analysis mode */
13833 SendToProgram("analyze\n", &first);
13834 first.analyzing = TRUE;
13835 /*first.maybeThinking = TRUE;*/
13836 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13843 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13844 if (to >= forwardMostMove) to = forwardMostMove;
13845 if (to <= backwardMostMove) to = backwardMostMove;
13846 if (to < currentMove) {
13854 RevertEvent(Boolean annotate)
13856 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13859 if (gameMode != IcsExamining) {
13860 DisplayError(_("You are not examining a game"), 0);
13864 DisplayError(_("You can't revert while pausing"), 0);
13867 SendToICS(ics_prefix);
13868 SendToICS("revert\n");
13874 switch (gameMode) {
13875 case MachinePlaysWhite:
13876 case MachinePlaysBlack:
13877 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13878 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13881 if (forwardMostMove < 2) return;
13882 currentMove = forwardMostMove = forwardMostMove - 2;
13883 whiteTimeRemaining = timeRemaining[0][currentMove];
13884 blackTimeRemaining = timeRemaining[1][currentMove];
13885 DisplayBothClocks();
13886 DisplayMove(currentMove - 1);
13887 ClearHighlights();/*!! could figure this out*/
13888 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13889 SendToProgram("remove\n", &first);
13890 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13893 case BeginningOfGame:
13897 case IcsPlayingWhite:
13898 case IcsPlayingBlack:
13899 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13900 SendToICS(ics_prefix);
13901 SendToICS("takeback 2\n");
13903 SendToICS(ics_prefix);
13904 SendToICS("takeback 1\n");
13913 ChessProgramState *cps;
13915 switch (gameMode) {
13916 case MachinePlaysWhite:
13917 if (!WhiteOnMove(forwardMostMove)) {
13918 DisplayError(_("It is your turn"), 0);
13923 case MachinePlaysBlack:
13924 if (WhiteOnMove(forwardMostMove)) {
13925 DisplayError(_("It is your turn"), 0);
13930 case TwoMachinesPlay:
13931 if (WhiteOnMove(forwardMostMove) ==
13932 (first.twoMachinesColor[0] == 'w')) {
13938 case BeginningOfGame:
13942 SendToProgram("?\n", cps);
13946 TruncateGameEvent()
13949 if (gameMode != EditGame) return;
13956 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13957 if (forwardMostMove > currentMove) {
13958 if (gameInfo.resultDetails != NULL) {
13959 free(gameInfo.resultDetails);
13960 gameInfo.resultDetails = NULL;
13961 gameInfo.result = GameUnfinished;
13963 forwardMostMove = currentMove;
13964 HistorySet(parseList, backwardMostMove, forwardMostMove,
13972 if (appData.noChessProgram) return;
13973 switch (gameMode) {
13974 case MachinePlaysWhite:
13975 if (WhiteOnMove(forwardMostMove)) {
13976 DisplayError(_("Wait until your turn"), 0);
13980 case BeginningOfGame:
13981 case MachinePlaysBlack:
13982 if (!WhiteOnMove(forwardMostMove)) {
13983 DisplayError(_("Wait until your turn"), 0);
13988 DisplayError(_("No hint available"), 0);
13991 SendToProgram("hint\n", &first);
13992 hintRequested = TRUE;
13998 if (appData.noChessProgram) return;
13999 switch (gameMode) {
14000 case MachinePlaysWhite:
14001 if (WhiteOnMove(forwardMostMove)) {
14002 DisplayError(_("Wait until your turn"), 0);
14006 case BeginningOfGame:
14007 case MachinePlaysBlack:
14008 if (!WhiteOnMove(forwardMostMove)) {
14009 DisplayError(_("Wait until your turn"), 0);
14014 EditPositionDone(TRUE);
14016 case TwoMachinesPlay:
14021 SendToProgram("bk\n", &first);
14022 bookOutput[0] = NULLCHAR;
14023 bookRequested = TRUE;
14029 char *tags = PGNTags(&gameInfo);
14030 TagsPopUp(tags, CmailMsg());
14034 /* end button procedures */
14037 PrintPosition(fp, move)
14043 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14044 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14045 char c = PieceToChar(boards[move][i][j]);
14046 fputc(c == 'x' ? '.' : c, fp);
14047 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14050 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14051 fprintf(fp, "white to play\n");
14053 fprintf(fp, "black to play\n");
14060 if (gameInfo.white != NULL) {
14061 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14067 /* Find last component of program's own name, using some heuristics */
14069 TidyProgramName(prog, host, buf)
14070 char *prog, *host, buf[MSG_SIZ];
14073 int local = (strcmp(host, "localhost") == 0);
14074 while (!local && (p = strchr(prog, ';')) != NULL) {
14076 while (*p == ' ') p++;
14079 if (*prog == '"' || *prog == '\'') {
14080 q = strchr(prog + 1, *prog);
14082 q = strchr(prog, ' ');
14084 if (q == NULL) q = prog + strlen(prog);
14086 while (p >= prog && *p != '/' && *p != '\\') p--;
14088 if(p == prog && *p == '"') p++;
14089 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14090 memcpy(buf, p, q - p);
14091 buf[q - p] = NULLCHAR;
14099 TimeControlTagValue()
14102 if (!appData.clockMode) {
14103 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14104 } else if (movesPerSession > 0) {
14105 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14106 } else if (timeIncrement == 0) {
14107 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14109 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14111 return StrSave(buf);
14117 /* This routine is used only for certain modes */
14118 VariantClass v = gameInfo.variant;
14119 ChessMove r = GameUnfinished;
14122 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14123 r = gameInfo.result;
14124 p = gameInfo.resultDetails;
14125 gameInfo.resultDetails = NULL;
14127 ClearGameInfo(&gameInfo);
14128 gameInfo.variant = v;
14130 switch (gameMode) {
14131 case MachinePlaysWhite:
14132 gameInfo.event = StrSave( appData.pgnEventHeader );
14133 gameInfo.site = StrSave(HostName());
14134 gameInfo.date = PGNDate();
14135 gameInfo.round = StrSave("-");
14136 gameInfo.white = StrSave(first.tidy);
14137 gameInfo.black = StrSave(UserName());
14138 gameInfo.timeControl = TimeControlTagValue();
14141 case MachinePlaysBlack:
14142 gameInfo.event = StrSave( appData.pgnEventHeader );
14143 gameInfo.site = StrSave(HostName());
14144 gameInfo.date = PGNDate();
14145 gameInfo.round = StrSave("-");
14146 gameInfo.white = StrSave(UserName());
14147 gameInfo.black = StrSave(first.tidy);
14148 gameInfo.timeControl = TimeControlTagValue();
14151 case TwoMachinesPlay:
14152 gameInfo.event = StrSave( appData.pgnEventHeader );
14153 gameInfo.site = StrSave(HostName());
14154 gameInfo.date = PGNDate();
14157 snprintf(buf, MSG_SIZ, "%d", roundNr);
14158 gameInfo.round = StrSave(buf);
14160 gameInfo.round = StrSave("-");
14162 if (first.twoMachinesColor[0] == 'w') {
14163 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14164 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14166 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14167 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14169 gameInfo.timeControl = TimeControlTagValue();
14173 gameInfo.event = StrSave("Edited game");
14174 gameInfo.site = StrSave(HostName());
14175 gameInfo.date = PGNDate();
14176 gameInfo.round = StrSave("-");
14177 gameInfo.white = StrSave("-");
14178 gameInfo.black = StrSave("-");
14179 gameInfo.result = r;
14180 gameInfo.resultDetails = p;
14184 gameInfo.event = StrSave("Edited position");
14185 gameInfo.site = StrSave(HostName());
14186 gameInfo.date = PGNDate();
14187 gameInfo.round = StrSave("-");
14188 gameInfo.white = StrSave("-");
14189 gameInfo.black = StrSave("-");
14192 case IcsPlayingWhite:
14193 case IcsPlayingBlack:
14198 case PlayFromGameFile:
14199 gameInfo.event = StrSave("Game from non-PGN file");
14200 gameInfo.site = StrSave(HostName());
14201 gameInfo.date = PGNDate();
14202 gameInfo.round = StrSave("-");
14203 gameInfo.white = StrSave("?");
14204 gameInfo.black = StrSave("?");
14213 ReplaceComment(index, text)
14221 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14222 pvInfoList[index-1].depth == len &&
14223 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14224 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14225 while (*text == '\n') text++;
14226 len = strlen(text);
14227 while (len > 0 && text[len - 1] == '\n') len--;
14229 if (commentList[index] != NULL)
14230 free(commentList[index]);
14233 commentList[index] = NULL;
14236 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14237 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14238 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14239 commentList[index] = (char *) malloc(len + 2);
14240 strncpy(commentList[index], text, len);
14241 commentList[index][len] = '\n';
14242 commentList[index][len + 1] = NULLCHAR;
14244 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14246 commentList[index] = (char *) malloc(len + 7);
14247 safeStrCpy(commentList[index], "{\n", 3);
14248 safeStrCpy(commentList[index]+2, text, len+1);
14249 commentList[index][len+2] = NULLCHAR;
14250 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14251 strcat(commentList[index], "\n}\n");
14265 if (ch == '\r') continue;
14267 } while (ch != '\0');
14271 AppendComment(index, text, addBraces)
14274 Boolean addBraces; // [HGM] braces: tells if we should add {}
14279 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14280 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14283 while (*text == '\n') text++;
14284 len = strlen(text);
14285 while (len > 0 && text[len - 1] == '\n') len--;
14287 if (len == 0) return;
14289 if (commentList[index] != NULL) {
14290 old = commentList[index];
14291 oldlen = strlen(old);
14292 while(commentList[index][oldlen-1] == '\n')
14293 commentList[index][--oldlen] = NULLCHAR;
14294 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14295 safeStrCpy(commentList[index], old, oldlen + len + 6);
14297 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14298 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14299 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14300 while (*text == '\n') { text++; len--; }
14301 commentList[index][--oldlen] = NULLCHAR;
14303 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14304 else strcat(commentList[index], "\n");
14305 strcat(commentList[index], text);
14306 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14307 else strcat(commentList[index], "\n");
14309 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14311 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14312 else commentList[index][0] = NULLCHAR;
14313 strcat(commentList[index], text);
14314 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14315 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14319 static char * FindStr( char * text, char * sub_text )
14321 char * result = strstr( text, sub_text );
14323 if( result != NULL ) {
14324 result += strlen( sub_text );
14330 /* [AS] Try to extract PV info from PGN comment */
14331 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14332 char *GetInfoFromComment( int index, char * text )
14334 char * sep = text, *p;
14336 if( text != NULL && index > 0 ) {
14339 int time = -1, sec = 0, deci;
14340 char * s_eval = FindStr( text, "[%eval " );
14341 char * s_emt = FindStr( text, "[%emt " );
14343 if( s_eval != NULL || s_emt != NULL ) {
14347 if( s_eval != NULL ) {
14348 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14352 if( delim != ']' ) {
14357 if( s_emt != NULL ) {
14362 /* We expect something like: [+|-]nnn.nn/dd */
14365 if(*text != '{') return text; // [HGM] braces: must be normal comment
14367 sep = strchr( text, '/' );
14368 if( sep == NULL || sep < (text+4) ) {
14373 if(p[1] == '(') { // comment starts with PV
14374 p = strchr(p, ')'); // locate end of PV
14375 if(p == NULL || sep < p+5) return text;
14376 // at this point we have something like "{(.*) +0.23/6 ..."
14377 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14378 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14379 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14381 time = -1; sec = -1; deci = -1;
14382 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14383 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14384 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14385 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14389 if( score_lo < 0 || score_lo >= 100 ) {
14393 if(sec >= 0) time = 600*time + 10*sec; else
14394 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14396 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14398 /* [HGM] PV time: now locate end of PV info */
14399 while( *++sep >= '0' && *sep <= '9'); // strip depth
14401 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14403 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14405 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14406 while(*sep == ' ') sep++;
14417 pvInfoList[index-1].depth = depth;
14418 pvInfoList[index-1].score = score;
14419 pvInfoList[index-1].time = 10*time; // centi-sec
14420 if(*sep == '}') *sep = 0; else *--sep = '{';
14421 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14427 SendToProgram(message, cps)
14429 ChessProgramState *cps;
14431 int count, outCount, error;
14434 if (cps->pr == NULL) return;
14437 if (appData.debugMode) {
14440 fprintf(debugFP, "%ld >%-6s: %s",
14441 SubtractTimeMarks(&now, &programStartTime),
14442 cps->which, message);
14445 count = strlen(message);
14446 outCount = OutputToProcess(cps->pr, message, count, &error);
14447 if (outCount < count && !exiting
14448 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14449 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14450 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14451 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14452 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14453 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14454 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14455 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14457 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14458 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14459 gameInfo.result = res;
14461 gameInfo.resultDetails = StrSave(buf);
14463 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14464 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14469 ReceiveFromProgram(isr, closure, message, count, error)
14470 InputSourceRef isr;
14478 ChessProgramState *cps = (ChessProgramState *)closure;
14480 if (isr != cps->isr) return; /* Killed intentionally */
14483 RemoveInputSource(cps->isr);
14484 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14485 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14486 _(cps->which), cps->program);
14487 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14488 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14489 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14490 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14491 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14493 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14494 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14495 gameInfo.result = res;
14497 gameInfo.resultDetails = StrSave(buf);
14499 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14500 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14502 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14503 _(cps->which), cps->program);
14504 RemoveInputSource(cps->isr);
14506 /* [AS] Program is misbehaving badly... kill it */
14507 if( count == -2 ) {
14508 DestroyChildProcess( cps->pr, 9 );
14512 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14517 if ((end_str = strchr(message, '\r')) != NULL)
14518 *end_str = NULLCHAR;
14519 if ((end_str = strchr(message, '\n')) != NULL)
14520 *end_str = NULLCHAR;
14522 if (appData.debugMode) {
14523 TimeMark now; int print = 1;
14524 char *quote = ""; char c; int i;
14526 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14527 char start = message[0];
14528 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14529 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14530 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14531 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14532 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14533 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14534 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14535 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14536 sscanf(message, "hint: %c", &c)!=1 &&
14537 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14538 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14539 print = (appData.engineComments >= 2);
14541 message[0] = start; // restore original message
14545 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14546 SubtractTimeMarks(&now, &programStartTime), cps->which,
14552 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14553 if (appData.icsEngineAnalyze) {
14554 if (strstr(message, "whisper") != NULL ||
14555 strstr(message, "kibitz") != NULL ||
14556 strstr(message, "tellics") != NULL) return;
14559 HandleMachineMove(message, cps);
14564 SendTimeControl(cps, mps, tc, inc, sd, st)
14565 ChessProgramState *cps;
14566 int mps, inc, sd, st;
14572 if( timeControl_2 > 0 ) {
14573 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14574 tc = timeControl_2;
14577 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14578 inc /= cps->timeOdds;
14579 st /= cps->timeOdds;
14581 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14584 /* Set exact time per move, normally using st command */
14585 if (cps->stKludge) {
14586 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14588 if (seconds == 0) {
14589 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14591 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14594 snprintf(buf, MSG_SIZ, "st %d\n", st);
14597 /* Set conventional or incremental time control, using level command */
14598 if (seconds == 0) {
14599 /* Note old gnuchess bug -- minutes:seconds used to not work.
14600 Fixed in later versions, but still avoid :seconds
14601 when seconds is 0. */
14602 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14604 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14605 seconds, inc/1000.);
14608 SendToProgram(buf, cps);
14610 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14611 /* Orthogonally, limit search to given depth */
14613 if (cps->sdKludge) {
14614 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14616 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14618 SendToProgram(buf, cps);
14621 if(cps->nps >= 0) { /* [HGM] nps */
14622 if(cps->supportsNPS == FALSE)
14623 cps->nps = -1; // don't use if engine explicitly says not supported!
14625 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14626 SendToProgram(buf, cps);
14631 ChessProgramState *WhitePlayer()
14632 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14634 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14635 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14641 SendTimeRemaining(cps, machineWhite)
14642 ChessProgramState *cps;
14643 int /*boolean*/ machineWhite;
14645 char message[MSG_SIZ];
14648 /* Note: this routine must be called when the clocks are stopped
14649 or when they have *just* been set or switched; otherwise
14650 it will be off by the time since the current tick started.
14652 if (machineWhite) {
14653 time = whiteTimeRemaining / 10;
14654 otime = blackTimeRemaining / 10;
14656 time = blackTimeRemaining / 10;
14657 otime = whiteTimeRemaining / 10;
14659 /* [HGM] translate opponent's time by time-odds factor */
14660 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14661 if (appData.debugMode) {
14662 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14665 if (time <= 0) time = 1;
14666 if (otime <= 0) otime = 1;
14668 snprintf(message, MSG_SIZ, "time %ld\n", time);
14669 SendToProgram(message, cps);
14671 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14672 SendToProgram(message, cps);
14676 BoolFeature(p, name, loc, cps)
14680 ChessProgramState *cps;
14683 int len = strlen(name);
14686 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14688 sscanf(*p, "%d", &val);
14690 while (**p && **p != ' ')
14692 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14693 SendToProgram(buf, cps);
14700 IntFeature(p, name, loc, cps)
14704 ChessProgramState *cps;
14707 int len = strlen(name);
14708 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14710 sscanf(*p, "%d", loc);
14711 while (**p && **p != ' ') (*p)++;
14712 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14713 SendToProgram(buf, cps);
14720 StringFeature(p, name, loc, cps)
14724 ChessProgramState *cps;
14727 int len = strlen(name);
14728 if (strncmp((*p), name, len) == 0
14729 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14731 sscanf(*p, "%[^\"]", loc);
14732 while (**p && **p != '\"') (*p)++;
14733 if (**p == '\"') (*p)++;
14734 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14735 SendToProgram(buf, cps);
14742 ParseOption(Option *opt, ChessProgramState *cps)
14743 // [HGM] options: process the string that defines an engine option, and determine
14744 // name, type, default value, and allowed value range
14746 char *p, *q, buf[MSG_SIZ];
14747 int n, min = (-1)<<31, max = 1<<31, def;
14749 if(p = strstr(opt->name, " -spin ")) {
14750 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14751 if(max < min) max = min; // enforce consistency
14752 if(def < min) def = min;
14753 if(def > max) def = max;
14758 } else if((p = strstr(opt->name, " -slider "))) {
14759 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14760 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14761 if(max < min) max = min; // enforce consistency
14762 if(def < min) def = min;
14763 if(def > max) def = max;
14767 opt->type = Spin; // Slider;
14768 } else if((p = strstr(opt->name, " -string "))) {
14769 opt->textValue = p+9;
14770 opt->type = TextBox;
14771 } else if((p = strstr(opt->name, " -file "))) {
14772 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14773 opt->textValue = p+7;
14774 opt->type = FileName; // FileName;
14775 } else if((p = strstr(opt->name, " -path "))) {
14776 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14777 opt->textValue = p+7;
14778 opt->type = PathName; // PathName;
14779 } else if(p = strstr(opt->name, " -check ")) {
14780 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14781 opt->value = (def != 0);
14782 opt->type = CheckBox;
14783 } else if(p = strstr(opt->name, " -combo ")) {
14784 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14785 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14786 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14787 opt->value = n = 0;
14788 while(q = StrStr(q, " /// ")) {
14789 n++; *q = 0; // count choices, and null-terminate each of them
14791 if(*q == '*') { // remember default, which is marked with * prefix
14795 cps->comboList[cps->comboCnt++] = q;
14797 cps->comboList[cps->comboCnt++] = NULL;
14799 opt->type = ComboBox;
14800 } else if(p = strstr(opt->name, " -button")) {
14801 opt->type = Button;
14802 } else if(p = strstr(opt->name, " -save")) {
14803 opt->type = SaveButton;
14804 } else return FALSE;
14805 *p = 0; // terminate option name
14806 // now look if the command-line options define a setting for this engine option.
14807 if(cps->optionSettings && cps->optionSettings[0])
14808 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14809 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14810 snprintf(buf, MSG_SIZ, "option %s", p);
14811 if(p = strstr(buf, ",")) *p = 0;
14812 if(q = strchr(buf, '=')) switch(opt->type) {
14814 for(n=0; n<opt->max; n++)
14815 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14818 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14822 opt->value = atoi(q+1);
14827 SendToProgram(buf, cps);
14833 FeatureDone(cps, val)
14834 ChessProgramState* cps;
14837 DelayedEventCallback cb = GetDelayedEvent();
14838 if ((cb == InitBackEnd3 && cps == &first) ||
14839 (cb == SettingsMenuIfReady && cps == &second) ||
14840 (cb == LoadEngine) ||
14841 (cb == TwoMachinesEventIfReady)) {
14842 CancelDelayedEvent();
14843 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14845 cps->initDone = val;
14848 /* Parse feature command from engine */
14850 ParseFeatures(args, cps)
14852 ChessProgramState *cps;
14860 while (*p == ' ') p++;
14861 if (*p == NULLCHAR) return;
14863 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14864 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14865 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14866 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14867 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14868 if (BoolFeature(&p, "reuse", &val, cps)) {
14869 /* Engine can disable reuse, but can't enable it if user said no */
14870 if (!val) cps->reuse = FALSE;
14873 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14874 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14875 if (gameMode == TwoMachinesPlay) {
14876 DisplayTwoMachinesTitle();
14882 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14883 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14884 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14885 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14886 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14887 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14888 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14889 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14890 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14891 if (IntFeature(&p, "done", &val, cps)) {
14892 FeatureDone(cps, val);
14895 /* Added by Tord: */
14896 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14897 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14898 /* End of additions by Tord */
14900 /* [HGM] added features: */
14901 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14902 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14903 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14904 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14905 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14906 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14907 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14908 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14909 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14910 SendToProgram(buf, cps);
14913 if(cps->nrOptions >= MAX_OPTIONS) {
14915 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14916 DisplayError(buf, 0);
14920 /* End of additions by HGM */
14922 /* unknown feature: complain and skip */
14924 while (*q && *q != '=') q++;
14925 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14926 SendToProgram(buf, cps);
14932 while (*p && *p != '\"') p++;
14933 if (*p == '\"') p++;
14935 while (*p && *p != ' ') p++;
14943 PeriodicUpdatesEvent(newState)
14946 if (newState == appData.periodicUpdates)
14949 appData.periodicUpdates=newState;
14951 /* Display type changes, so update it now */
14952 // DisplayAnalysis();
14954 /* Get the ball rolling again... */
14956 AnalysisPeriodicEvent(1);
14957 StartAnalysisClock();
14962 PonderNextMoveEvent(newState)
14965 if (newState == appData.ponderNextMove) return;
14966 if (gameMode == EditPosition) EditPositionDone(TRUE);
14968 SendToProgram("hard\n", &first);
14969 if (gameMode == TwoMachinesPlay) {
14970 SendToProgram("hard\n", &second);
14973 SendToProgram("easy\n", &first);
14974 thinkOutput[0] = NULLCHAR;
14975 if (gameMode == TwoMachinesPlay) {
14976 SendToProgram("easy\n", &second);
14979 appData.ponderNextMove = newState;
14983 NewSettingEvent(option, feature, command, value)
14985 int option, value, *feature;
14989 if (gameMode == EditPosition) EditPositionDone(TRUE);
14990 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14991 if(feature == NULL || *feature) SendToProgram(buf, &first);
14992 if (gameMode == TwoMachinesPlay) {
14993 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14998 ShowThinkingEvent()
14999 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15001 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15002 int newState = appData.showThinking
15003 // [HGM] thinking: other features now need thinking output as well
15004 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15006 if (oldState == newState) return;
15007 oldState = newState;
15008 if (gameMode == EditPosition) EditPositionDone(TRUE);
15010 SendToProgram("post\n", &first);
15011 if (gameMode == TwoMachinesPlay) {
15012 SendToProgram("post\n", &second);
15015 SendToProgram("nopost\n", &first);
15016 thinkOutput[0] = NULLCHAR;
15017 if (gameMode == TwoMachinesPlay) {
15018 SendToProgram("nopost\n", &second);
15021 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15025 AskQuestionEvent(title, question, replyPrefix, which)
15026 char *title; char *question; char *replyPrefix; char *which;
15028 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15029 if (pr == NoProc) return;
15030 AskQuestion(title, question, replyPrefix, pr);
15034 TypeInEvent(char firstChar)
15036 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
\r
15037 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
\r
15038 gameMode == AnalyzeMode || gameMode == EditGame ||
\r
15039 gameMode == EditPosition || gameMode == IcsExamining ||
\r
15040 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
\r
15041 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
\r
15042 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
\r
15043 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
\r
15044 gameMode == Training) PopUpMoveDialog(firstChar);
15048 TypeInDoneEvent(char *move)
15051 int n, fromX, fromY, toX, toY;
15053 ChessMove moveType;
\r
15056 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
\r
15057 EditPositionPasteFEN(move);
\r
15060 // [HGM] movenum: allow move number to be typed in any mode
\r
15061 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
\r
15062 ToNrEvent(2*n-1);
\r
15066 if (gameMode != EditGame && currentMove != forwardMostMove &&
\r
15067 gameMode != Training) {
\r
15068 DisplayMoveError(_("Displayed move is not current"));
\r
15070 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
15071 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
\r
15072 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
\r
15073 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
15074 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
\r
15075 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
\r
15077 DisplayMoveError(_("Could not parse move"));
\r
15083 DisplayMove(moveNumber)
15086 char message[MSG_SIZ];
15088 char cpThinkOutput[MSG_SIZ];
15090 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15092 if (moveNumber == forwardMostMove - 1 ||
15093 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15095 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15097 if (strchr(cpThinkOutput, '\n')) {
15098 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15101 *cpThinkOutput = NULLCHAR;
15104 /* [AS] Hide thinking from human user */
15105 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15106 *cpThinkOutput = NULLCHAR;
15107 if( thinkOutput[0] != NULLCHAR ) {
15110 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15111 cpThinkOutput[i] = '.';
15113 cpThinkOutput[i] = NULLCHAR;
15114 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15118 if (moveNumber == forwardMostMove - 1 &&
15119 gameInfo.resultDetails != NULL) {
15120 if (gameInfo.resultDetails[0] == NULLCHAR) {
15121 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15123 snprintf(res, MSG_SIZ, " {%s} %s",
15124 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15130 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15131 DisplayMessage(res, cpThinkOutput);
15133 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15134 WhiteOnMove(moveNumber) ? " " : ".. ",
15135 parseList[moveNumber], res);
15136 DisplayMessage(message, cpThinkOutput);
15141 DisplayComment(moveNumber, text)
15145 char title[MSG_SIZ];
15146 char buf[8000]; // comment can be long!
15149 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15150 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15152 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15153 WhiteOnMove(moveNumber) ? " " : ".. ",
15154 parseList[moveNumber]);
15156 // [HGM] PV info: display PV info together with (or as) comment
15157 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
15158 if(text == NULL) text = "";
15159 score = pvInfoList[moveNumber].score;
15160 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
15161 depth, (pvInfoList[moveNumber].time+50)/100, text);
15164 if (text != NULL && (appData.autoDisplayComment || commentUp))
15165 CommentPopUp(title, text);
15168 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15169 * might be busy thinking or pondering. It can be omitted if your
15170 * gnuchess is configured to stop thinking immediately on any user
15171 * input. However, that gnuchess feature depends on the FIONREAD
15172 * ioctl, which does not work properly on some flavors of Unix.
15176 ChessProgramState *cps;
15179 if (!cps->useSigint) return;
15180 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15181 switch (gameMode) {
15182 case MachinePlaysWhite:
15183 case MachinePlaysBlack:
15184 case TwoMachinesPlay:
15185 case IcsPlayingWhite:
15186 case IcsPlayingBlack:
15189 /* Skip if we know it isn't thinking */
15190 if (!cps->maybeThinking) return;
15191 if (appData.debugMode)
15192 fprintf(debugFP, "Interrupting %s\n", cps->which);
15193 InterruptChildProcess(cps->pr);
15194 cps->maybeThinking = FALSE;
15199 #endif /*ATTENTION*/
15205 if (whiteTimeRemaining <= 0) {
15208 if (appData.icsActive) {
15209 if (appData.autoCallFlag &&
15210 gameMode == IcsPlayingBlack && !blackFlag) {
15211 SendToICS(ics_prefix);
15212 SendToICS("flag\n");
15216 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15218 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15219 if (appData.autoCallFlag) {
15220 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15227 if (blackTimeRemaining <= 0) {
15230 if (appData.icsActive) {
15231 if (appData.autoCallFlag &&
15232 gameMode == IcsPlayingWhite && !whiteFlag) {
15233 SendToICS(ics_prefix);
15234 SendToICS("flag\n");
15238 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15240 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15241 if (appData.autoCallFlag) {
15242 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15255 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15256 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15259 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15261 if ( !WhiteOnMove(forwardMostMove) ) {
15262 /* White made time control */
15263 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15264 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15265 /* [HGM] time odds: correct new time quota for time odds! */
15266 / WhitePlayer()->timeOdds;
15267 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15269 lastBlack -= blackTimeRemaining;
15270 /* Black made time control */
15271 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15272 / WhitePlayer()->other->timeOdds;
15273 lastWhite = whiteTimeRemaining;
15278 DisplayBothClocks()
15280 int wom = gameMode == EditPosition ?
15281 !blackPlaysFirst : WhiteOnMove(currentMove);
15282 DisplayWhiteClock(whiteTimeRemaining, wom);
15283 DisplayBlackClock(blackTimeRemaining, !wom);
15287 /* Timekeeping seems to be a portability nightmare. I think everyone
15288 has ftime(), but I'm really not sure, so I'm including some ifdefs
15289 to use other calls if you don't. Clocks will be less accurate if
15290 you have neither ftime nor gettimeofday.
15293 /* VS 2008 requires the #include outside of the function */
15294 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15295 #include <sys/timeb.h>
15298 /* Get the current time as a TimeMark */
15303 #if HAVE_GETTIMEOFDAY
15305 struct timeval timeVal;
15306 struct timezone timeZone;
15308 gettimeofday(&timeVal, &timeZone);
15309 tm->sec = (long) timeVal.tv_sec;
15310 tm->ms = (int) (timeVal.tv_usec / 1000L);
15312 #else /*!HAVE_GETTIMEOFDAY*/
15315 // include <sys/timeb.h> / moved to just above start of function
15316 struct timeb timeB;
15319 tm->sec = (long) timeB.time;
15320 tm->ms = (int) timeB.millitm;
15322 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15323 tm->sec = (long) time(NULL);
15329 /* Return the difference in milliseconds between two
15330 time marks. We assume the difference will fit in a long!
15333 SubtractTimeMarks(tm2, tm1)
15334 TimeMark *tm2, *tm1;
15336 return 1000L*(tm2->sec - tm1->sec) +
15337 (long) (tm2->ms - tm1->ms);
15342 * Code to manage the game clocks.
15344 * In tournament play, black starts the clock and then white makes a move.
15345 * We give the human user a slight advantage if he is playing white---the
15346 * clocks don't run until he makes his first move, so it takes zero time.
15347 * Also, we don't account for network lag, so we could get out of sync
15348 * with GNU Chess's clock -- but then, referees are always right.
15351 static TimeMark tickStartTM;
15352 static long intendedTickLength;
15355 NextTickLength(timeRemaining)
15356 long timeRemaining;
15358 long nominalTickLength, nextTickLength;
15360 if (timeRemaining > 0L && timeRemaining <= 10000L)
15361 nominalTickLength = 100L;
15363 nominalTickLength = 1000L;
15364 nextTickLength = timeRemaining % nominalTickLength;
15365 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15367 return nextTickLength;
15370 /* Adjust clock one minute up or down */
15372 AdjustClock(Boolean which, int dir)
15374 if(which) blackTimeRemaining += 60000*dir;
15375 else whiteTimeRemaining += 60000*dir;
15376 DisplayBothClocks();
15379 /* Stop clocks and reset to a fresh time control */
15383 (void) StopClockTimer();
15384 if (appData.icsActive) {
15385 whiteTimeRemaining = blackTimeRemaining = 0;
15386 } else if (searchTime) {
15387 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15388 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15389 } else { /* [HGM] correct new time quote for time odds */
15390 whiteTC = blackTC = fullTimeControlString;
15391 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15392 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15394 if (whiteFlag || blackFlag) {
15396 whiteFlag = blackFlag = FALSE;
15398 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15399 DisplayBothClocks();
15402 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15404 /* Decrement running clock by amount of time that has passed */
15408 long timeRemaining;
15409 long lastTickLength, fudge;
15412 if (!appData.clockMode) return;
15413 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15417 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15419 /* Fudge if we woke up a little too soon */
15420 fudge = intendedTickLength - lastTickLength;
15421 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15423 if (WhiteOnMove(forwardMostMove)) {
15424 if(whiteNPS >= 0) lastTickLength = 0;
15425 timeRemaining = whiteTimeRemaining -= lastTickLength;
15426 if(timeRemaining < 0 && !appData.icsActive) {
15427 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15428 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15429 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15430 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15433 DisplayWhiteClock(whiteTimeRemaining - fudge,
15434 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15436 if(blackNPS >= 0) lastTickLength = 0;
15437 timeRemaining = blackTimeRemaining -= lastTickLength;
15438 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15439 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15441 blackStartMove = forwardMostMove;
15442 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15445 DisplayBlackClock(blackTimeRemaining - fudge,
15446 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15448 if (CheckFlags()) return;
15451 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15452 StartClockTimer(intendedTickLength);
15454 /* if the time remaining has fallen below the alarm threshold, sound the
15455 * alarm. if the alarm has sounded and (due to a takeback or time control
15456 * with increment) the time remaining has increased to a level above the
15457 * threshold, reset the alarm so it can sound again.
15460 if (appData.icsActive && appData.icsAlarm) {
15462 /* make sure we are dealing with the user's clock */
15463 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15464 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15467 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15468 alarmSounded = FALSE;
15469 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15471 alarmSounded = TRUE;
15477 /* A player has just moved, so stop the previously running
15478 clock and (if in clock mode) start the other one.
15479 We redisplay both clocks in case we're in ICS mode, because
15480 ICS gives us an update to both clocks after every move.
15481 Note that this routine is called *after* forwardMostMove
15482 is updated, so the last fractional tick must be subtracted
15483 from the color that is *not* on move now.
15486 SwitchClocks(int newMoveNr)
15488 long lastTickLength;
15490 int flagged = FALSE;
15494 if (StopClockTimer() && appData.clockMode) {
15495 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15496 if (!WhiteOnMove(forwardMostMove)) {
15497 if(blackNPS >= 0) lastTickLength = 0;
15498 blackTimeRemaining -= lastTickLength;
15499 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15500 // if(pvInfoList[forwardMostMove].time == -1)
15501 pvInfoList[forwardMostMove].time = // use GUI time
15502 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15504 if(whiteNPS >= 0) lastTickLength = 0;
15505 whiteTimeRemaining -= lastTickLength;
15506 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15507 // if(pvInfoList[forwardMostMove].time == -1)
15508 pvInfoList[forwardMostMove].time =
15509 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15511 flagged = CheckFlags();
15513 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15514 CheckTimeControl();
15516 if (flagged || !appData.clockMode) return;
15518 switch (gameMode) {
15519 case MachinePlaysBlack:
15520 case MachinePlaysWhite:
15521 case BeginningOfGame:
15522 if (pausing) return;
15526 case PlayFromGameFile:
15534 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15535 if(WhiteOnMove(forwardMostMove))
15536 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15537 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15541 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15542 whiteTimeRemaining : blackTimeRemaining);
15543 StartClockTimer(intendedTickLength);
15547 /* Stop both clocks */
15551 long lastTickLength;
15554 if (!StopClockTimer()) return;
15555 if (!appData.clockMode) return;
15559 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15560 if (WhiteOnMove(forwardMostMove)) {
15561 if(whiteNPS >= 0) lastTickLength = 0;
15562 whiteTimeRemaining -= lastTickLength;
15563 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15565 if(blackNPS >= 0) lastTickLength = 0;
15566 blackTimeRemaining -= lastTickLength;
15567 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15572 /* Start clock of player on move. Time may have been reset, so
15573 if clock is already running, stop and restart it. */
15577 (void) StopClockTimer(); /* in case it was running already */
15578 DisplayBothClocks();
15579 if (CheckFlags()) return;
15581 if (!appData.clockMode) return;
15582 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15584 GetTimeMark(&tickStartTM);
15585 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15586 whiteTimeRemaining : blackTimeRemaining);
15588 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15589 whiteNPS = blackNPS = -1;
15590 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15591 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15592 whiteNPS = first.nps;
15593 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15594 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15595 blackNPS = first.nps;
15596 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15597 whiteNPS = second.nps;
15598 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15599 blackNPS = second.nps;
15600 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15602 StartClockTimer(intendedTickLength);
15609 long second, minute, hour, day;
15611 static char buf[32];
15613 if (ms > 0 && ms <= 9900) {
15614 /* convert milliseconds to tenths, rounding up */
15615 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15617 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15621 /* convert milliseconds to seconds, rounding up */
15622 /* use floating point to avoid strangeness of integer division
15623 with negative dividends on many machines */
15624 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15631 day = second / (60 * 60 * 24);
15632 second = second % (60 * 60 * 24);
15633 hour = second / (60 * 60);
15634 second = second % (60 * 60);
15635 minute = second / 60;
15636 second = second % 60;
15639 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15640 sign, day, hour, minute, second);
15642 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15644 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15651 * This is necessary because some C libraries aren't ANSI C compliant yet.
15654 StrStr(string, match)
15655 char *string, *match;
15659 length = strlen(match);
15661 for (i = strlen(string) - length; i >= 0; i--, string++)
15662 if (!strncmp(match, string, length))
15669 StrCaseStr(string, match)
15670 char *string, *match;
15674 length = strlen(match);
15676 for (i = strlen(string) - length; i >= 0; i--, string++) {
15677 for (j = 0; j < length; j++) {
15678 if (ToLower(match[j]) != ToLower(string[j]))
15681 if (j == length) return string;
15695 c1 = ToLower(*s1++);
15696 c2 = ToLower(*s2++);
15697 if (c1 > c2) return 1;
15698 if (c1 < c2) return -1;
15699 if (c1 == NULLCHAR) return 0;
15708 return isupper(c) ? tolower(c) : c;
15716 return islower(c) ? toupper(c) : c;
15718 #endif /* !_amigados */
15726 if ((ret = (char *) malloc(strlen(s) + 1)))
15728 safeStrCpy(ret, s, strlen(s)+1);
15734 StrSavePtr(s, savePtr)
15735 char *s, **savePtr;
15740 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15741 safeStrCpy(*savePtr, s, strlen(s)+1);
15753 clock = time((time_t *)NULL);
15754 tm = localtime(&clock);
15755 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15756 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15757 return StrSave(buf);
15762 PositionToFEN(move, overrideCastling)
15764 char *overrideCastling;
15766 int i, j, fromX, fromY, toX, toY;
15773 whiteToPlay = (gameMode == EditPosition) ?
15774 !blackPlaysFirst : (move % 2 == 0);
15777 /* Piece placement data */
15778 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15780 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15781 if (boards[move][i][j] == EmptySquare) {
15783 } else { ChessSquare piece = boards[move][i][j];
15784 if (emptycount > 0) {
15785 if(emptycount<10) /* [HGM] can be >= 10 */
15786 *p++ = '0' + emptycount;
15787 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15790 if(PieceToChar(piece) == '+') {
15791 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15793 piece = (ChessSquare)(DEMOTED piece);
15795 *p++ = PieceToChar(piece);
15797 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15798 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15803 if (emptycount > 0) {
15804 if(emptycount<10) /* [HGM] can be >= 10 */
15805 *p++ = '0' + emptycount;
15806 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15813 /* [HGM] print Crazyhouse or Shogi holdings */
15814 if( gameInfo.holdingsWidth ) {
15815 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15817 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15818 piece = boards[move][i][BOARD_WIDTH-1];
15819 if( piece != EmptySquare )
15820 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15821 *p++ = PieceToChar(piece);
15823 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15824 piece = boards[move][BOARD_HEIGHT-i-1][0];
15825 if( piece != EmptySquare )
15826 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15827 *p++ = PieceToChar(piece);
15830 if( q == p ) *p++ = '-';
15836 *p++ = whiteToPlay ? 'w' : 'b';
15839 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15840 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15842 if(nrCastlingRights) {
15844 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15845 /* [HGM] write directly from rights */
15846 if(boards[move][CASTLING][2] != NoRights &&
15847 boards[move][CASTLING][0] != NoRights )
15848 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15849 if(boards[move][CASTLING][2] != NoRights &&
15850 boards[move][CASTLING][1] != NoRights )
15851 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15852 if(boards[move][CASTLING][5] != NoRights &&
15853 boards[move][CASTLING][3] != NoRights )
15854 *p++ = boards[move][CASTLING][3] + AAA;
15855 if(boards[move][CASTLING][5] != NoRights &&
15856 boards[move][CASTLING][4] != NoRights )
15857 *p++ = boards[move][CASTLING][4] + AAA;
15860 /* [HGM] write true castling rights */
15861 if( nrCastlingRights == 6 ) {
15862 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15863 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15864 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15865 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15866 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15867 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15868 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15869 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15872 if (q == p) *p++ = '-'; /* No castling rights */
15876 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15877 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15878 /* En passant target square */
15879 if (move > backwardMostMove) {
15880 fromX = moveList[move - 1][0] - AAA;
15881 fromY = moveList[move - 1][1] - ONE;
15882 toX = moveList[move - 1][2] - AAA;
15883 toY = moveList[move - 1][3] - ONE;
15884 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15885 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15886 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15888 /* 2-square pawn move just happened */
15890 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15894 } else if(move == backwardMostMove) {
15895 // [HGM] perhaps we should always do it like this, and forget the above?
15896 if((signed char)boards[move][EP_STATUS] >= 0) {
15897 *p++ = boards[move][EP_STATUS] + AAA;
15898 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15909 /* [HGM] find reversible plies */
15910 { int i = 0, j=move;
15912 if (appData.debugMode) { int k;
15913 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15914 for(k=backwardMostMove; k<=forwardMostMove; k++)
15915 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15919 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15920 if( j == backwardMostMove ) i += initialRulePlies;
15921 sprintf(p, "%d ", i);
15922 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15924 /* Fullmove number */
15925 sprintf(p, "%d", (move / 2) + 1);
15927 return StrSave(buf);
15931 ParseFEN(board, blackPlaysFirst, fen)
15933 int *blackPlaysFirst;
15943 /* [HGM] by default clear Crazyhouse holdings, if present */
15944 if(gameInfo.holdingsWidth) {
15945 for(i=0; i<BOARD_HEIGHT; i++) {
15946 board[i][0] = EmptySquare; /* black holdings */
15947 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15948 board[i][1] = (ChessSquare) 0; /* black counts */
15949 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15953 /* Piece placement data */
15954 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15957 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15958 if (*p == '/') p++;
15959 emptycount = gameInfo.boardWidth - j;
15960 while (emptycount--)
15961 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15963 #if(BOARD_FILES >= 10)
15964 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15965 p++; emptycount=10;
15966 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15967 while (emptycount--)
15968 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15970 } else if (isdigit(*p)) {
15971 emptycount = *p++ - '0';
15972 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15973 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15974 while (emptycount--)
15975 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15976 } else if (*p == '+' || isalpha(*p)) {
15977 if (j >= gameInfo.boardWidth) return FALSE;
15979 piece = CharToPiece(*++p);
15980 if(piece == EmptySquare) return FALSE; /* unknown piece */
15981 piece = (ChessSquare) (PROMOTED piece ); p++;
15982 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15983 } else piece = CharToPiece(*p++);
15985 if(piece==EmptySquare) return FALSE; /* unknown piece */
15986 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15987 piece = (ChessSquare) (PROMOTED piece);
15988 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15991 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15997 while (*p == '/' || *p == ' ') p++;
15999 /* [HGM] look for Crazyhouse holdings here */
16000 while(*p==' ') p++;
16001 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16003 if(*p == '-' ) p++; /* empty holdings */ else {
16004 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16005 /* if we would allow FEN reading to set board size, we would */
16006 /* have to add holdings and shift the board read so far here */
16007 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16009 if((int) piece >= (int) BlackPawn ) {
16010 i = (int)piece - (int)BlackPawn;
16011 i = PieceToNumber((ChessSquare)i);
16012 if( i >= gameInfo.holdingsSize ) return FALSE;
16013 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16014 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16016 i = (int)piece - (int)WhitePawn;
16017 i = PieceToNumber((ChessSquare)i);
16018 if( i >= gameInfo.holdingsSize ) return FALSE;
16019 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16020 board[i][BOARD_WIDTH-2]++; /* black holdings */
16027 while(*p == ' ') p++;
16031 if(appData.colorNickNames) {
16032 if( c == appData.colorNickNames[0] ) c = 'w'; else
16033 if( c == appData.colorNickNames[1] ) c = 'b';
16037 *blackPlaysFirst = FALSE;
16040 *blackPlaysFirst = TRUE;
16046 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16047 /* return the extra info in global variiables */
16049 /* set defaults in case FEN is incomplete */
16050 board[EP_STATUS] = EP_UNKNOWN;
16051 for(i=0; i<nrCastlingRights; i++ ) {
16052 board[CASTLING][i] =
16053 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16054 } /* assume possible unless obviously impossible */
16055 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16056 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16057 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16058 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16059 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16060 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16061 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16062 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16065 while(*p==' ') p++;
16066 if(nrCastlingRights) {
16067 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16068 /* castling indicator present, so default becomes no castlings */
16069 for(i=0; i<nrCastlingRights; i++ ) {
16070 board[CASTLING][i] = NoRights;
16073 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16074 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16075 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16076 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16077 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16079 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16080 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16081 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16083 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16084 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16085 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16086 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16087 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16088 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16091 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16092 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16093 board[CASTLING][2] = whiteKingFile;
16096 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16097 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16098 board[CASTLING][2] = whiteKingFile;
16101 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16102 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16103 board[CASTLING][5] = blackKingFile;
16106 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16107 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16108 board[CASTLING][5] = blackKingFile;
16111 default: /* FRC castlings */
16112 if(c >= 'a') { /* black rights */
16113 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16114 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16115 if(i == BOARD_RGHT) break;
16116 board[CASTLING][5] = i;
16118 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16119 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16121 board[CASTLING][3] = c;
16123 board[CASTLING][4] = c;
16124 } else { /* white rights */
16125 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16126 if(board[0][i] == WhiteKing) break;
16127 if(i == BOARD_RGHT) break;
16128 board[CASTLING][2] = i;
16129 c -= AAA - 'a' + 'A';
16130 if(board[0][c] >= WhiteKing) break;
16132 board[CASTLING][0] = c;
16134 board[CASTLING][1] = c;
16138 for(i=0; i<nrCastlingRights; i++)
16139 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16140 if (appData.debugMode) {
16141 fprintf(debugFP, "FEN castling rights:");
16142 for(i=0; i<nrCastlingRights; i++)
16143 fprintf(debugFP, " %d", board[CASTLING][i]);
16144 fprintf(debugFP, "\n");
16147 while(*p==' ') p++;
16150 /* read e.p. field in games that know e.p. capture */
16151 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16152 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16154 p++; board[EP_STATUS] = EP_NONE;
16156 char c = *p++ - AAA;
16158 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16159 if(*p >= '0' && *p <='9') p++;
16160 board[EP_STATUS] = c;
16165 if(sscanf(p, "%d", &i) == 1) {
16166 FENrulePlies = i; /* 50-move ply counter */
16167 /* (The move number is still ignored) */
16174 EditPositionPasteFEN(char *fen)
16177 Board initial_position;
16179 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16180 DisplayError(_("Bad FEN position in clipboard"), 0);
16183 int savedBlackPlaysFirst = blackPlaysFirst;
16184 EditPositionEvent();
16185 blackPlaysFirst = savedBlackPlaysFirst;
16186 CopyBoard(boards[0], initial_position);
16187 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16188 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16189 DisplayBothClocks();
16190 DrawPosition(FALSE, boards[currentMove]);
16195 static char cseq[12] = "\\ ";
16197 Boolean set_cont_sequence(char *new_seq)
16202 // handle bad attempts to set the sequence
16204 return 0; // acceptable error - no debug
16206 len = strlen(new_seq);
16207 ret = (len > 0) && (len < sizeof(cseq));
16209 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16210 else if (appData.debugMode)
16211 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16216 reformat a source message so words don't cross the width boundary. internal
16217 newlines are not removed. returns the wrapped size (no null character unless
16218 included in source message). If dest is NULL, only calculate the size required
16219 for the dest buffer. lp argument indicats line position upon entry, and it's
16220 passed back upon exit.
16222 int wrap(char *dest, char *src, int count, int width, int *lp)
16224 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16226 cseq_len = strlen(cseq);
16227 old_line = line = *lp;
16228 ansi = len = clen = 0;
16230 for (i=0; i < count; i++)
16232 if (src[i] == '\033')
16235 // if we hit the width, back up
16236 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16238 // store i & len in case the word is too long
16239 old_i = i, old_len = len;
16241 // find the end of the last word
16242 while (i && src[i] != ' ' && src[i] != '\n')
16248 // word too long? restore i & len before splitting it
16249 if ((old_i-i+clen) >= width)
16256 if (i && src[i-1] == ' ')
16259 if (src[i] != ' ' && src[i] != '\n')
16266 // now append the newline and continuation sequence
16271 strncpy(dest+len, cseq, cseq_len);
16279 dest[len] = src[i];
16283 if (src[i] == '\n')
16288 if (dest && appData.debugMode)
16290 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16291 count, width, line, len, *lp);
16292 show_bytes(debugFP, src, count);
16293 fprintf(debugFP, "\ndest: ");
16294 show_bytes(debugFP, dest, len);
16295 fprintf(debugFP, "\n");
16297 *lp = dest ? line : old_line;
16302 // [HGM] vari: routines for shelving variations
16305 PushInner(int firstMove, int lastMove)
16307 int i, j, nrMoves = lastMove - firstMove;
16309 // push current tail of game on stack
16310 savedResult[storedGames] = gameInfo.result;
16311 savedDetails[storedGames] = gameInfo.resultDetails;
16312 gameInfo.resultDetails = NULL;
16313 savedFirst[storedGames] = firstMove;
16314 savedLast [storedGames] = lastMove;
16315 savedFramePtr[storedGames] = framePtr;
16316 framePtr -= nrMoves; // reserve space for the boards
16317 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16318 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16319 for(j=0; j<MOVE_LEN; j++)
16320 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16321 for(j=0; j<2*MOVE_LEN; j++)
16322 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16323 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16324 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16325 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16326 pvInfoList[firstMove+i-1].depth = 0;
16327 commentList[framePtr+i] = commentList[firstMove+i];
16328 commentList[firstMove+i] = NULL;
16332 forwardMostMove = firstMove; // truncate game so we can start variation
16336 PushTail(int firstMove, int lastMove)
16338 if(appData.icsActive) { // only in local mode
16339 forwardMostMove = currentMove; // mimic old ICS behavior
16342 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16344 PushInner(firstMove, lastMove);
16345 if(storedGames == 1) GreyRevert(FALSE);
16349 PopInner(Boolean annotate)
16352 char buf[8000], moveBuf[20];
16355 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16356 nrMoves = savedLast[storedGames] - currentMove;
16359 if(!WhiteOnMove(currentMove))
16360 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16361 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16362 for(i=currentMove; i<forwardMostMove; i++) {
16364 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16365 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16366 strcat(buf, moveBuf);
16367 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16368 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16372 for(i=1; i<=nrMoves; i++) { // copy last variation back
16373 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16374 for(j=0; j<MOVE_LEN; j++)
16375 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16376 for(j=0; j<2*MOVE_LEN; j++)
16377 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16378 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16379 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16380 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16381 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16382 commentList[currentMove+i] = commentList[framePtr+i];
16383 commentList[framePtr+i] = NULL;
16385 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16386 framePtr = savedFramePtr[storedGames];
16387 gameInfo.result = savedResult[storedGames];
16388 if(gameInfo.resultDetails != NULL) {
16389 free(gameInfo.resultDetails);
16391 gameInfo.resultDetails = savedDetails[storedGames];
16392 forwardMostMove = currentMove + nrMoves;
16396 PopTail(Boolean annotate)
16398 if(appData.icsActive) return FALSE; // only in local mode
16399 if(!storedGames) return FALSE; // sanity
16400 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16402 PopInner(annotate);
16404 if(storedGames == 0) GreyRevert(TRUE);
16410 { // remove all shelved variations
16412 for(i=0; i<storedGames; i++) {
16413 if(savedDetails[i])
16414 free(savedDetails[i]);
16415 savedDetails[i] = NULL;
16417 for(i=framePtr; i<MAX_MOVES; i++) {
16418 if(commentList[i]) free(commentList[i]);
16419 commentList[i] = NULL;
16421 framePtr = MAX_MOVES-1;
16426 LoadVariation(int index, char *text)
16427 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16428 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16429 int level = 0, move;
16431 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16432 // first find outermost bracketing variation
16433 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16434 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16435 if(*p == '{') wait = '}'; else
16436 if(*p == '[') wait = ']'; else
16437 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16438 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16440 if(*p == wait) wait = NULLCHAR; // closing ]} found
16443 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16444 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16445 end[1] = NULLCHAR; // clip off comment beyond variation
16446 ToNrEvent(currentMove-1);
16447 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16448 // kludge: use ParsePV() to append variation to game
16449 move = currentMove;
16450 ParsePV(start, TRUE, TRUE);
16451 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16452 ClearPremoveHighlights();
16454 ToNrEvent(currentMove+1);