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
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;
5279 char *lastParseAttempt;
5282 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5283 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5284 int fromX, fromY, toX, toY; char promoChar;
5289 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5290 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5293 endPV = forwardMostMove;
5295 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5296 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5297 lastParseAttempt = pv;
5298 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5299 if(appData.debugMode){
5300 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);
5302 if(!valid && nr == 0 &&
5303 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5304 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5305 // Hande case where played move is different from leading PV move
5306 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5307 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5308 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5309 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5310 endPV += 2; // if position different, keep this
5311 moveList[endPV-1][0] = fromX + AAA;
5312 moveList[endPV-1][1] = fromY + ONE;
5313 moveList[endPV-1][2] = toX + AAA;
5314 moveList[endPV-1][3] = toY + ONE;
5315 parseList[endPV-1][0] = NULLCHAR;
5316 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5319 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5320 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5321 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5322 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5323 valid++; // allow comments in PV
5327 if(endPV+1 > framePtr) break; // no space, truncate
5330 CopyBoard(boards[endPV], boards[endPV-1]);
5331 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5332 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5333 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5334 CoordsToAlgebraic(boards[endPV - 1],
5335 PosFlags(endPV - 1),
5336 fromY, fromX, toY, toX, promoChar,
5337 parseList[endPV - 1]);
5339 if(atEnd == 2) return; // used hidden, for PV conversion
5340 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5341 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5342 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5343 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5344 DrawPosition(TRUE, boards[currentMove]);
5348 MultiPV(ChessProgramState *cps)
5349 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5351 for(i=0; i<cps->nrOptions; i++)
5352 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5358 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5360 int startPV, multi, lineStart, origIndex = index;
5361 char *p, buf2[MSG_SIZ];
5363 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5364 lastX = x; lastY = y;
5365 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5366 lineStart = startPV = index;
5367 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5368 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5370 do{ while(buf[index] && buf[index] != '\n') index++;
5371 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5373 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5374 int n = first.option[multi].value;
5375 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5376 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5377 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5378 first.option[multi].value = n;
5382 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5383 *start = startPV; *end = index-1;
5390 static char buf[10*MSG_SIZ];
5391 int i, k=0, savedEnd=endPV;
5393 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5394 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5395 for(i = forwardMostMove; i<endPV; i++){
5396 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5397 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5400 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5401 if(forwardMostMove < savedEnd) PopInner(0);
5407 LoadPV(int x, int y)
5408 { // called on right mouse click to load PV
5409 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5410 lastX = x; lastY = y;
5411 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5418 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5419 if(endPV < 0) return;
5421 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5422 Boolean saveAnimate = appData.animate;
5424 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5425 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5426 } else storedGames--; // abandon shelved tail of original game
5429 forwardMostMove = currentMove;
5430 currentMove = oldFMM;
5431 appData.animate = FALSE;
5432 ToNrEvent(forwardMostMove);
5433 appData.animate = saveAnimate;
5435 currentMove = forwardMostMove;
5436 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5437 ClearPremoveHighlights();
5438 DrawPosition(TRUE, boards[currentMove]);
5442 MovePV(int x, int y, int h)
5443 { // step through PV based on mouse coordinates (called on mouse move)
5444 int margin = h>>3, step = 0;
5446 // we must somehow check if right button is still down (might be released off board!)
5447 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5448 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5449 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5451 lastX = x; lastY = y;
5453 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5454 if(endPV < 0) return;
5455 if(y < margin) step = 1; else
5456 if(y > h - margin) step = -1;
5457 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5458 currentMove += step;
5459 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5460 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5461 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5462 DrawPosition(FALSE, boards[currentMove]);
5466 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5467 // All positions will have equal probability, but the current method will not provide a unique
5468 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5474 int piecesLeft[(int)BlackPawn];
5475 int seed, nrOfShuffles;
5477 void GetPositionNumber()
5478 { // sets global variable seed
5481 seed = appData.defaultFrcPosition;
5482 if(seed < 0) { // randomize based on time for negative FRC position numbers
5483 for(i=0; i<50; i++) seed += random();
5484 seed = random() ^ random() >> 8 ^ random() << 8;
5485 if(seed<0) seed = -seed;
5489 int put(Board board, int pieceType, int rank, int n, int shade)
5490 // put the piece on the (n-1)-th empty squares of the given shade
5494 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5495 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5496 board[rank][i] = (ChessSquare) pieceType;
5497 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5499 piecesLeft[pieceType]--;
5507 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5508 // calculate where the next piece goes, (any empty square), and put it there
5512 i = seed % squaresLeft[shade];
5513 nrOfShuffles *= squaresLeft[shade];
5514 seed /= squaresLeft[shade];
5515 put(board, pieceType, rank, i, shade);
5518 void AddTwoPieces(Board board, int pieceType, int rank)
5519 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5521 int i, n=squaresLeft[ANY], j=n-1, k;
5523 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5524 i = seed % k; // pick one
5527 while(i >= j) i -= j--;
5528 j = n - 1 - j; i += j;
5529 put(board, pieceType, rank, j, ANY);
5530 put(board, pieceType, rank, i, ANY);
5533 void SetUpShuffle(Board board, int number)
5537 GetPositionNumber(); nrOfShuffles = 1;
5539 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5540 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5541 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5543 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5545 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5546 p = (int) board[0][i];
5547 if(p < (int) BlackPawn) piecesLeft[p] ++;
5548 board[0][i] = EmptySquare;
5551 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5552 // shuffles restricted to allow normal castling put KRR first
5553 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5554 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5555 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5556 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5557 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5558 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5559 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5560 put(board, WhiteRook, 0, 0, ANY);
5561 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5564 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5565 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5566 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5567 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5568 while(piecesLeft[p] >= 2) {
5569 AddOnePiece(board, p, 0, LITE);
5570 AddOnePiece(board, p, 0, DARK);
5572 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5575 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5576 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5577 // but we leave King and Rooks for last, to possibly obey FRC restriction
5578 if(p == (int)WhiteRook) continue;
5579 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5580 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5583 // now everything is placed, except perhaps King (Unicorn) and Rooks
5585 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5586 // Last King gets castling rights
5587 while(piecesLeft[(int)WhiteUnicorn]) {
5588 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5589 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5592 while(piecesLeft[(int)WhiteKing]) {
5593 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5594 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5599 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5600 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5603 // Only Rooks can be left; simply place them all
5604 while(piecesLeft[(int)WhiteRook]) {
5605 i = put(board, WhiteRook, 0, 0, ANY);
5606 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5609 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5611 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5614 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5615 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5618 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5621 int SetCharTable( char *table, const char * map )
5622 /* [HGM] moved here from winboard.c because of its general usefulness */
5623 /* Basically a safe strcpy that uses the last character as King */
5625 int result = FALSE; int NrPieces;
5627 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5628 && NrPieces >= 12 && !(NrPieces&1)) {
5629 int i; /* [HGM] Accept even length from 12 to 34 */
5631 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5632 for( i=0; i<NrPieces/2-1; i++ ) {
5634 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5636 table[(int) WhiteKing] = map[NrPieces/2-1];
5637 table[(int) BlackKing] = map[NrPieces-1];
5645 void Prelude(Board board)
5646 { // [HGM] superchess: random selection of exo-pieces
5647 int i, j, k; ChessSquare p;
5648 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5650 GetPositionNumber(); // use FRC position number
5652 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5653 SetCharTable(pieceToChar, appData.pieceToCharTable);
5654 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5655 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5658 j = seed%4; seed /= 4;
5659 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5660 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5661 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5662 j = seed%3 + (seed%3 >= j); seed /= 3;
5663 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5664 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5665 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5666 j = seed%3; seed /= 3;
5667 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5668 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5669 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5670 j = seed%2 + (seed%2 >= j); seed /= 2;
5671 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5672 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5673 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5674 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5675 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5676 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5677 put(board, exoPieces[0], 0, 0, ANY);
5678 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5682 InitPosition(redraw)
5685 ChessSquare (* pieces)[BOARD_FILES];
5686 int i, j, pawnRow, overrule,
5687 oldx = gameInfo.boardWidth,
5688 oldy = gameInfo.boardHeight,
5689 oldh = gameInfo.holdingsWidth;
5692 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5694 /* [AS] Initialize pv info list [HGM] and game status */
5696 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5697 pvInfoList[i].depth = 0;
5698 boards[i][EP_STATUS] = EP_NONE;
5699 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5702 initialRulePlies = 0; /* 50-move counter start */
5704 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5705 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5709 /* [HGM] logic here is completely changed. In stead of full positions */
5710 /* the initialized data only consist of the two backranks. The switch */
5711 /* selects which one we will use, which is than copied to the Board */
5712 /* initialPosition, which for the rest is initialized by Pawns and */
5713 /* empty squares. This initial position is then copied to boards[0], */
5714 /* possibly after shuffling, so that it remains available. */
5716 gameInfo.holdingsWidth = 0; /* default board sizes */
5717 gameInfo.boardWidth = 8;
5718 gameInfo.boardHeight = 8;
5719 gameInfo.holdingsSize = 0;
5720 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5721 for(i=0; i<BOARD_FILES-2; i++)
5722 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5723 initialPosition[EP_STATUS] = EP_NONE;
5724 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5725 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5726 SetCharTable(pieceNickName, appData.pieceNickNames);
5727 else SetCharTable(pieceNickName, "............");
5730 switch (gameInfo.variant) {
5731 case VariantFischeRandom:
5732 shuffleOpenings = TRUE;
5735 case VariantShatranj:
5736 pieces = ShatranjArray;
5737 nrCastlingRights = 0;
5738 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5741 pieces = makrukArray;
5742 nrCastlingRights = 0;
5743 startedFromSetupPosition = TRUE;
5744 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5746 case VariantTwoKings:
5747 pieces = twoKingsArray;
5749 case VariantCapaRandom:
5750 shuffleOpenings = TRUE;
5751 case VariantCapablanca:
5752 pieces = CapablancaArray;
5753 gameInfo.boardWidth = 10;
5754 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5757 pieces = GothicArray;
5758 gameInfo.boardWidth = 10;
5759 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5762 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5763 gameInfo.holdingsSize = 7;
5766 pieces = JanusArray;
5767 gameInfo.boardWidth = 10;
5768 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5769 nrCastlingRights = 6;
5770 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5771 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5772 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5773 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5774 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5775 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5778 pieces = FalconArray;
5779 gameInfo.boardWidth = 10;
5780 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5782 case VariantXiangqi:
5783 pieces = XiangqiArray;
5784 gameInfo.boardWidth = 9;
5785 gameInfo.boardHeight = 10;
5786 nrCastlingRights = 0;
5787 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5790 pieces = ShogiArray;
5791 gameInfo.boardWidth = 9;
5792 gameInfo.boardHeight = 9;
5793 gameInfo.holdingsSize = 7;
5794 nrCastlingRights = 0;
5795 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5797 case VariantCourier:
5798 pieces = CourierArray;
5799 gameInfo.boardWidth = 12;
5800 nrCastlingRights = 0;
5801 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5803 case VariantKnightmate:
5804 pieces = KnightmateArray;
5805 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5807 case VariantSpartan:
5808 pieces = SpartanArray;
5809 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5812 pieces = fairyArray;
5813 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5816 pieces = GreatArray;
5817 gameInfo.boardWidth = 10;
5818 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5819 gameInfo.holdingsSize = 8;
5823 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5824 gameInfo.holdingsSize = 8;
5825 startedFromSetupPosition = TRUE;
5827 case VariantCrazyhouse:
5828 case VariantBughouse:
5830 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5831 gameInfo.holdingsSize = 5;
5833 case VariantWildCastle:
5835 /* !!?shuffle with kings guaranteed to be on d or e file */
5836 shuffleOpenings = 1;
5838 case VariantNoCastle:
5840 nrCastlingRights = 0;
5841 /* !!?unconstrained back-rank shuffle */
5842 shuffleOpenings = 1;
5847 if(appData.NrFiles >= 0) {
5848 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5849 gameInfo.boardWidth = appData.NrFiles;
5851 if(appData.NrRanks >= 0) {
5852 gameInfo.boardHeight = appData.NrRanks;
5854 if(appData.holdingsSize >= 0) {
5855 i = appData.holdingsSize;
5856 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5857 gameInfo.holdingsSize = i;
5859 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5860 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5861 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5863 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5864 if(pawnRow < 1) pawnRow = 1;
5865 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5867 /* User pieceToChar list overrules defaults */
5868 if(appData.pieceToCharTable != NULL)
5869 SetCharTable(pieceToChar, appData.pieceToCharTable);
5871 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5873 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5874 s = (ChessSquare) 0; /* account holding counts in guard band */
5875 for( i=0; i<BOARD_HEIGHT; i++ )
5876 initialPosition[i][j] = s;
5878 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5879 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5880 initialPosition[pawnRow][j] = WhitePawn;
5881 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5882 if(gameInfo.variant == VariantXiangqi) {
5884 initialPosition[pawnRow][j] =
5885 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5886 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5887 initialPosition[2][j] = WhiteCannon;
5888 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5892 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5894 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5897 initialPosition[1][j] = WhiteBishop;
5898 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5900 initialPosition[1][j] = WhiteRook;
5901 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5904 if( nrCastlingRights == -1) {
5905 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5906 /* This sets default castling rights from none to normal corners */
5907 /* Variants with other castling rights must set them themselves above */
5908 nrCastlingRights = 6;
5910 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5911 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5912 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5913 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5914 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5915 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5918 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5919 if(gameInfo.variant == VariantGreat) { // promotion commoners
5920 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5921 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5922 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5923 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5925 if( gameInfo.variant == VariantSChess ) {
5926 initialPosition[1][0] = BlackMarshall;
5927 initialPosition[2][0] = BlackAngel;
5928 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5929 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5930 initialPosition[1][1] = initialPosition[2][1] =
5931 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5933 if (appData.debugMode) {
5934 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5936 if(shuffleOpenings) {
5937 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5938 startedFromSetupPosition = TRUE;
5940 if(startedFromPositionFile) {
5941 /* [HGM] loadPos: use PositionFile for every new game */
5942 CopyBoard(initialPosition, filePosition);
5943 for(i=0; i<nrCastlingRights; i++)
5944 initialRights[i] = filePosition[CASTLING][i];
5945 startedFromSetupPosition = TRUE;
5948 CopyBoard(boards[0], initialPosition);
5950 if(oldx != gameInfo.boardWidth ||
5951 oldy != gameInfo.boardHeight ||
5952 oldv != gameInfo.variant ||
5953 oldh != gameInfo.holdingsWidth
5955 InitDrawingSizes(-2 ,0);
5957 oldv = gameInfo.variant;
5959 DrawPosition(TRUE, boards[currentMove]);
5963 SendBoard(cps, moveNum)
5964 ChessProgramState *cps;
5967 char message[MSG_SIZ];
5969 if (cps->useSetboard) {
5970 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5971 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5972 SendToProgram(message, cps);
5978 /* Kludge to set black to move, avoiding the troublesome and now
5979 * deprecated "black" command.
5981 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5982 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5984 SendToProgram("edit\n", cps);
5985 SendToProgram("#\n", cps);
5986 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5987 bp = &boards[moveNum][i][BOARD_LEFT];
5988 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5989 if ((int) *bp < (int) BlackPawn) {
5990 snprintf(message, MSG_SIZ, "%c%c%c\n", 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("c\n", cps);
6007 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6008 bp = &boards[moveNum][i][BOARD_LEFT];
6009 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6010 if (((int) *bp != (int) EmptySquare)
6011 && ((int) *bp >= (int) BlackPawn)) {
6012 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6014 if(message[0] == '+' || message[0] == '~') {
6015 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6016 PieceToChar((ChessSquare)(DEMOTED *bp)),
6019 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6020 message[1] = BOARD_RGHT - 1 - j + '1';
6021 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6023 SendToProgram(message, cps);
6028 SendToProgram(".\n", cps);
6030 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6034 DefaultPromoChoice(int white)
6037 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6038 result = WhiteFerz; // no choice
6039 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6040 result= WhiteKing; // in Suicide Q is the last thing we want
6041 else if(gameInfo.variant == VariantSpartan)
6042 result = white ? WhiteQueen : WhiteAngel;
6043 else result = WhiteQueen;
6044 if(!white) result = WHITE_TO_BLACK result;
6048 static int autoQueen; // [HGM] oneclick
6051 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
6053 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6054 /* [HGM] add Shogi promotions */
6055 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6060 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6061 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6063 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6064 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6067 piece = boards[currentMove][fromY][fromX];
6068 if(gameInfo.variant == VariantShogi) {
6069 promotionZoneSize = BOARD_HEIGHT/3;
6070 highestPromotingPiece = (int)WhiteFerz;
6071 } else if(gameInfo.variant == VariantMakruk) {
6072 promotionZoneSize = 3;
6075 // Treat Lance as Pawn when it is not representing Amazon
6076 if(gameInfo.variant != VariantSuper) {
6077 if(piece == WhiteLance) piece = WhitePawn; else
6078 if(piece == BlackLance) piece = BlackPawn;
6081 // next weed out all moves that do not touch the promotion zone at all
6082 if((int)piece >= BlackPawn) {
6083 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6085 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6087 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6088 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6091 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6093 // weed out mandatory Shogi promotions
6094 if(gameInfo.variant == VariantShogi) {
6095 if(piece >= BlackPawn) {
6096 if(toY == 0 && piece == BlackPawn ||
6097 toY == 0 && piece == BlackQueen ||
6098 toY <= 1 && piece == BlackKnight) {
6103 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6104 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6105 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6112 // weed out obviously illegal Pawn moves
6113 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6114 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6115 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6116 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6117 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6118 // note we are not allowed to test for valid (non-)capture, due to premove
6121 // we either have a choice what to promote to, or (in Shogi) whether to promote
6122 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6123 *promoChoice = PieceToChar(BlackFerz); // no choice
6126 // no sense asking what we must promote to if it is going to explode...
6127 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6128 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6131 // give caller the default choice even if we will not make it
6132 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6133 if(gameInfo.variant == VariantShogi) *promoChoice = '+';
6134 if(appData.sweepSelect && gameInfo.variant != VariantGreat
6135 && gameInfo.variant != VariantShogi
6136 && gameInfo.variant != VariantSuper) return FALSE;
6137 if(autoQueen) return FALSE; // predetermined
6139 // suppress promotion popup on illegal moves that are not premoves
6140 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6141 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6142 if(appData.testLegality && !premove) {
6143 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6144 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6145 if(moveType != WhitePromotion && moveType != BlackPromotion)
6153 InPalace(row, column)
6155 { /* [HGM] for Xiangqi */
6156 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6157 column < (BOARD_WIDTH + 4)/2 &&
6158 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6163 PieceForSquare (x, y)
6167 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6170 return boards[currentMove][y][x];
6174 OKToStartUserMove(x, y)
6177 ChessSquare from_piece;
6180 if (matchMode) return FALSE;
6181 if (gameMode == EditPosition) return TRUE;
6183 if (x >= 0 && y >= 0)
6184 from_piece = boards[currentMove][y][x];
6186 from_piece = EmptySquare;
6188 if (from_piece == EmptySquare) return FALSE;
6190 white_piece = (int)from_piece >= (int)WhitePawn &&
6191 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6194 case PlayFromGameFile:
6196 case TwoMachinesPlay:
6204 case MachinePlaysWhite:
6205 case IcsPlayingBlack:
6206 if (appData.zippyPlay) return FALSE;
6208 DisplayMoveError(_("You are playing Black"));
6213 case MachinePlaysBlack:
6214 case IcsPlayingWhite:
6215 if (appData.zippyPlay) return FALSE;
6217 DisplayMoveError(_("You are playing White"));
6223 if (!white_piece && WhiteOnMove(currentMove)) {
6224 DisplayMoveError(_("It is White's turn"));
6227 if (white_piece && !WhiteOnMove(currentMove)) {
6228 DisplayMoveError(_("It is Black's turn"));
6231 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6232 /* Editing correspondence game history */
6233 /* Could disallow this or prompt for confirmation */
6238 case BeginningOfGame:
6239 if (appData.icsActive) return FALSE;
6240 if (!appData.noChessProgram) {
6242 DisplayMoveError(_("You are playing White"));
6249 if (!white_piece && WhiteOnMove(currentMove)) {
6250 DisplayMoveError(_("It is White's turn"));
6253 if (white_piece && !WhiteOnMove(currentMove)) {
6254 DisplayMoveError(_("It is Black's turn"));
6263 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6264 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6265 && gameMode != AnalyzeFile && gameMode != Training) {
6266 DisplayMoveError(_("Displayed position is not current"));
6273 OnlyMove(int *x, int *y, Boolean captures) {
6274 DisambiguateClosure cl;
6275 if (appData.zippyPlay) return FALSE;
6277 case MachinePlaysBlack:
6278 case IcsPlayingWhite:
6279 case BeginningOfGame:
6280 if(!WhiteOnMove(currentMove)) return FALSE;
6282 case MachinePlaysWhite:
6283 case IcsPlayingBlack:
6284 if(WhiteOnMove(currentMove)) return FALSE;
6291 cl.pieceIn = EmptySquare;
6296 cl.promoCharIn = NULLCHAR;
6297 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6298 if( cl.kind == NormalMove ||
6299 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6300 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6301 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6308 if(cl.kind != ImpossibleMove) return FALSE;
6309 cl.pieceIn = EmptySquare;
6314 cl.promoCharIn = NULLCHAR;
6315 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6316 if( cl.kind == NormalMove ||
6317 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6318 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6319 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6324 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6330 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6331 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6332 int lastLoadGameUseList = FALSE;
6333 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6334 ChessMove lastLoadGameStart = EndOfFile;
6337 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6338 int fromX, fromY, toX, toY;
6342 ChessSquare pdown, pup;
6344 /* Check if the user is playing in turn. This is complicated because we
6345 let the user "pick up" a piece before it is his turn. So the piece he
6346 tried to pick up may have been captured by the time he puts it down!
6347 Therefore we use the color the user is supposed to be playing in this
6348 test, not the color of the piece that is currently on the starting
6349 square---except in EditGame mode, where the user is playing both
6350 sides; fortunately there the capture race can't happen. (It can
6351 now happen in IcsExamining mode, but that's just too bad. The user
6352 will get a somewhat confusing message in that case.)
6356 case PlayFromGameFile:
6358 case TwoMachinesPlay:
6362 /* We switched into a game mode where moves are not accepted,
6363 perhaps while the mouse button was down. */
6366 case MachinePlaysWhite:
6367 /* User is moving for Black */
6368 if (WhiteOnMove(currentMove)) {
6369 DisplayMoveError(_("It is White's turn"));
6374 case MachinePlaysBlack:
6375 /* User is moving for White */
6376 if (!WhiteOnMove(currentMove)) {
6377 DisplayMoveError(_("It is Black's turn"));
6384 case BeginningOfGame:
6387 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6388 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6389 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6390 /* User is moving for Black */
6391 if (WhiteOnMove(currentMove)) {
6392 DisplayMoveError(_("It is White's turn"));
6396 /* User is moving for White */
6397 if (!WhiteOnMove(currentMove)) {
6398 DisplayMoveError(_("It is Black's turn"));
6404 case IcsPlayingBlack:
6405 /* User is moving for Black */
6406 if (WhiteOnMove(currentMove)) {
6407 if (!appData.premove) {
6408 DisplayMoveError(_("It is White's turn"));
6409 } else if (toX >= 0 && toY >= 0) {
6412 premoveFromX = fromX;
6413 premoveFromY = fromY;
6414 premovePromoChar = promoChar;
6416 if (appData.debugMode)
6417 fprintf(debugFP, "Got premove: fromX %d,"
6418 "fromY %d, toX %d, toY %d\n",
6419 fromX, fromY, toX, toY);
6425 case IcsPlayingWhite:
6426 /* User is moving for White */
6427 if (!WhiteOnMove(currentMove)) {
6428 if (!appData.premove) {
6429 DisplayMoveError(_("It is Black's turn"));
6430 } else if (toX >= 0 && toY >= 0) {
6433 premoveFromX = fromX;
6434 premoveFromY = fromY;
6435 premovePromoChar = promoChar;
6437 if (appData.debugMode)
6438 fprintf(debugFP, "Got premove: fromX %d,"
6439 "fromY %d, toX %d, toY %d\n",
6440 fromX, fromY, toX, toY);
6450 /* EditPosition, empty square, or different color piece;
6451 click-click move is possible */
6452 if (toX == -2 || toY == -2) {
6453 boards[0][fromY][fromX] = EmptySquare;
6454 DrawPosition(FALSE, boards[currentMove]);
6456 } else if (toX >= 0 && toY >= 0) {
6457 boards[0][toY][toX] = boards[0][fromY][fromX];
6458 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6459 if(boards[0][fromY][0] != EmptySquare) {
6460 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6461 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6464 if(fromX == BOARD_RGHT+1) {
6465 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6466 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6467 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6470 boards[0][fromY][fromX] = EmptySquare;
6471 DrawPosition(FALSE, boards[currentMove]);
6477 if(toX < 0 || toY < 0) return;
6478 pdown = boards[currentMove][fromY][fromX];
6479 pup = boards[currentMove][toY][toX];
6481 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6482 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6483 if( pup != EmptySquare ) return;
6484 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6485 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6486 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6487 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6488 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6489 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6490 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6494 /* [HGM] always test for legality, to get promotion info */
6495 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6496 fromY, fromX, toY, toX, promoChar);
6497 /* [HGM] but possibly ignore an IllegalMove result */
6498 if (appData.testLegality) {
6499 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6500 DisplayMoveError(_("Illegal move"));
6505 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6508 /* Common tail of UserMoveEvent and DropMenuEvent */
6510 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6512 int fromX, fromY, toX, toY;
6513 /*char*/int promoChar;
6517 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6518 // [HGM] superchess: suppress promotions to non-available piece
6519 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6520 if(WhiteOnMove(currentMove)) {
6521 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6523 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6527 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6528 move type in caller when we know the move is a legal promotion */
6529 if(moveType == NormalMove && promoChar)
6530 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6532 /* [HGM] <popupFix> The following if has been moved here from
6533 UserMoveEvent(). Because it seemed to belong here (why not allow
6534 piece drops in training games?), and because it can only be
6535 performed after it is known to what we promote. */
6536 if (gameMode == Training) {
6537 /* compare the move played on the board to the next move in the
6538 * game. If they match, display the move and the opponent's response.
6539 * If they don't match, display an error message.
6543 CopyBoard(testBoard, boards[currentMove]);
6544 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6546 if (CompareBoards(testBoard, boards[currentMove+1])) {
6547 ForwardInner(currentMove+1);
6549 /* Autoplay the opponent's response.
6550 * if appData.animate was TRUE when Training mode was entered,
6551 * the response will be animated.
6553 saveAnimate = appData.animate;
6554 appData.animate = animateTraining;
6555 ForwardInner(currentMove+1);
6556 appData.animate = saveAnimate;
6558 /* check for the end of the game */
6559 if (currentMove >= forwardMostMove) {
6560 gameMode = PlayFromGameFile;
6562 SetTrainingModeOff();
6563 DisplayInformation(_("End of game"));
6566 DisplayError(_("Incorrect move"), 0);
6571 /* Ok, now we know that the move is good, so we can kill
6572 the previous line in Analysis Mode */
6573 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6574 && currentMove < forwardMostMove) {
6575 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6576 else forwardMostMove = currentMove;
6579 /* If we need the chess program but it's dead, restart it */
6580 ResurrectChessProgram();
6582 /* A user move restarts a paused game*/
6586 thinkOutput[0] = NULLCHAR;
6588 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6590 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6591 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6595 if (gameMode == BeginningOfGame) {
6596 if (appData.noChessProgram) {
6597 gameMode = EditGame;
6601 gameMode = MachinePlaysBlack;
6604 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6606 if (first.sendName) {
6607 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6608 SendToProgram(buf, &first);
6615 /* Relay move to ICS or chess engine */
6616 if (appData.icsActive) {
6617 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6618 gameMode == IcsExamining) {
6619 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6620 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6622 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6624 // also send plain move, in case ICS does not understand atomic claims
6625 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6629 if (first.sendTime && (gameMode == BeginningOfGame ||
6630 gameMode == MachinePlaysWhite ||
6631 gameMode == MachinePlaysBlack)) {
6632 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6634 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6635 // [HGM] book: if program might be playing, let it use book
6636 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6637 first.maybeThinking = TRUE;
6638 } else SendMoveToProgram(forwardMostMove-1, &first);
6639 if (currentMove == cmailOldMove + 1) {
6640 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6644 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6648 if(appData.testLegality)
6649 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6655 if (WhiteOnMove(currentMove)) {
6656 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6658 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6662 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6667 case MachinePlaysBlack:
6668 case MachinePlaysWhite:
6669 /* disable certain menu options while machine is thinking */
6670 SetMachineThinkingEnables();
6677 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6678 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6680 if(bookHit) { // [HGM] book: simulate book reply
6681 static char bookMove[MSG_SIZ]; // a bit generous?
6683 programStats.nodes = programStats.depth = programStats.time =
6684 programStats.score = programStats.got_only_move = 0;
6685 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6687 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6688 strcat(bookMove, bookHit);
6689 HandleMachineMove(bookMove, &first);
6695 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6702 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6703 Markers *m = (Markers *) closure;
6704 if(rf == fromY && ff == fromX)
6705 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6706 || kind == WhiteCapturesEnPassant
6707 || kind == BlackCapturesEnPassant);
6708 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6712 MarkTargetSquares(int clear)
6715 if(!appData.markers || !appData.highlightDragging ||
6716 !appData.testLegality || gameMode == EditPosition) return;
6718 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6721 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6722 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6723 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6725 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6728 DrawPosition(TRUE, NULL);
6732 Explode(Board board, int fromX, int fromY, int toX, int toY)
6734 if(gameInfo.variant == VariantAtomic &&
6735 (board[toY][toX] != EmptySquare || // capture?
6736 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6737 board[fromY][fromX] == BlackPawn )
6739 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6745 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6747 int CanPromote(ChessSquare piece, int y)
6749 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6750 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6751 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6752 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6753 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6754 gameInfo.variant == VariantMakruk) return FALSE;
6755 return (piece == BlackPawn && y == 1 ||
6756 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6757 piece == BlackLance && y == 1 ||
6758 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6761 void LeftClick(ClickType clickType, int xPix, int yPix)
6764 Boolean saveAnimate;
6765 static int second = 0, promotionChoice = 0, clearFlag = 0;
6766 char promoChoice = NULLCHAR;
6769 if(appData.seekGraph && appData.icsActive && loggedOn &&
6770 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6771 SeekGraphClick(clickType, xPix, yPix, 0);
6775 if (clickType == Press) ErrorPopDown();
6776 MarkTargetSquares(1);
6778 x = EventToSquare(xPix, BOARD_WIDTH);
6779 y = EventToSquare(yPix, BOARD_HEIGHT);
6780 if (!flipView && y >= 0) {
6781 y = BOARD_HEIGHT - 1 - y;
6783 if (flipView && x >= 0) {
6784 x = BOARD_WIDTH - 1 - x;
6787 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6788 defaultPromoChoice = promoSweep;
6789 promoSweep = EmptySquare; // terminate sweep
6790 promoDefaultAltered = TRUE;
6791 if(!selectFlag) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6794 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6795 if(clickType == Release) return; // ignore upclick of click-click destination
6796 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6797 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6798 if(gameInfo.holdingsWidth &&
6799 (WhiteOnMove(currentMove)
6800 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6801 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6802 // click in right holdings, for determining promotion piece
6803 ChessSquare p = boards[currentMove][y][x];
6804 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6805 if(p != EmptySquare) {
6806 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6811 DrawPosition(FALSE, boards[currentMove]);
6815 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6816 if(clickType == Press
6817 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6818 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6819 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6822 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6823 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6825 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6826 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6827 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6828 defaultPromoChoice = DefaultPromoChoice(side);
6831 autoQueen = appData.alwaysPromoteToQueen;
6835 gatingPiece = EmptySquare;
6836 if (clickType != Press) {
6837 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6838 DragPieceEnd(xPix, yPix); dragging = 0;
6839 DrawPosition(FALSE, NULL);
6843 fromX = x; fromY = y;
6844 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6845 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6846 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6848 if (OKToStartUserMove(fromX, fromY)) {
6850 MarkTargetSquares(0);
6851 DragPieceBegin(xPix, yPix); dragging = 1;
6852 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6853 promoSweep = defaultPromoChoice;
6854 selectFlag = 0; lastX = xPix; lastY = yPix;
6855 Sweep(0); // Pawn that is going to promote: preview promotion piece
6856 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6858 if (appData.highlightDragging) {
6859 SetHighlights(fromX, fromY, -1, -1);
6861 } else fromX = fromY = -1;
6867 if (clickType == Press && gameMode != EditPosition) {
6872 // ignore off-board to clicks
6873 if(y < 0 || x < 0) return;
6875 /* Check if clicking again on the same color piece */
6876 fromP = boards[currentMove][fromY][fromX];
6877 toP = boards[currentMove][y][x];
6878 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6879 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6880 WhitePawn <= toP && toP <= WhiteKing &&
6881 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6882 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6883 (BlackPawn <= fromP && fromP <= BlackKing &&
6884 BlackPawn <= toP && toP <= BlackKing &&
6885 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6886 !(fromP == BlackKing && toP == BlackRook && frc))) {
6887 /* Clicked again on same color piece -- changed his mind */
6888 second = (x == fromX && y == fromY);
6889 promoDefaultAltered = FALSE;
6890 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6891 if (appData.highlightDragging) {
6892 SetHighlights(x, y, -1, -1);
6896 if (OKToStartUserMove(x, y)) {
6897 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6898 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6899 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6900 gatingPiece = boards[currentMove][fromY][fromX];
6901 else gatingPiece = EmptySquare;
6903 fromY = y; dragging = 1;
6904 MarkTargetSquares(0);
6905 DragPieceBegin(xPix, yPix);
6906 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6907 promoSweep = defaultPromoChoice;
6908 selectFlag = 0; lastX = xPix; lastY = yPix;
6909 Sweep(0); // Pawn that is going to promote: preview promotion piece
6913 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6916 // ignore clicks on holdings
6917 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6920 if (clickType == Release && x == fromX && y == fromY) {
6921 DragPieceEnd(xPix, yPix); dragging = 0;
6923 // a deferred attempt to click-click move an empty square on top of a piece
6924 boards[currentMove][y][x] = EmptySquare;
6926 DrawPosition(FALSE, boards[currentMove]);
6927 fromX = fromY = -1; clearFlag = 0;
6930 if (appData.animateDragging) {
6931 /* Undo animation damage if any */
6932 DrawPosition(FALSE, NULL);
6935 /* Second up/down in same square; just abort move */
6938 gatingPiece = EmptySquare;
6941 ClearPremoveHighlights();
6943 /* First upclick in same square; start click-click mode */
6944 SetHighlights(x, y, -1, -1);
6951 /* we now have a different from- and (possibly off-board) to-square */
6952 /* Completed move */
6955 saveAnimate = appData.animate;
6956 if (clickType == Press) {
6957 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
6958 // must be Edit Position mode with empty-square selected
6959 fromX = x; fromY = y; DragPieceBegin(xPix, yPix); dragging = 1; // consider this a new attempt to drag
6960 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
6963 /* Finish clickclick move */
6964 if (appData.animate || appData.highlightLastMove) {
6965 SetHighlights(fromX, fromY, toX, toY);
6970 /* Finish drag move */
6971 if (appData.highlightLastMove) {
6972 SetHighlights(fromX, fromY, toX, toY);
6976 DragPieceEnd(xPix, yPix); dragging = 0;
6977 /* Don't animate move and drag both */
6978 appData.animate = FALSE;
6981 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6982 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6983 ChessSquare piece = boards[currentMove][fromY][fromX];
6984 if(gameMode == EditPosition && piece != EmptySquare &&
6985 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6988 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6989 n = PieceToNumber(piece - (int)BlackPawn);
6990 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6991 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6992 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6994 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6995 n = PieceToNumber(piece);
6996 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6997 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6998 boards[currentMove][n][BOARD_WIDTH-2]++;
7000 boards[currentMove][fromY][fromX] = EmptySquare;
7004 DrawPosition(TRUE, boards[currentMove]);
7008 // off-board moves should not be highlighted
7009 if(x < 0 || y < 0) ClearHighlights();
7011 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7013 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
7014 SetHighlights(fromX, fromY, toX, toY);
7015 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7016 // [HGM] super: promotion to captured piece selected from holdings
7017 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7018 promotionChoice = TRUE;
7019 // kludge follows to temporarily execute move on display, without promoting yet
7020 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7021 boards[currentMove][toY][toX] = p;
7022 DrawPosition(FALSE, boards[currentMove]);
7023 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7024 boards[currentMove][toY][toX] = q;
7025 DisplayMessage("Click in holdings to choose piece", "");
7030 int oldMove = currentMove;
7031 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7032 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7033 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7034 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7035 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7036 DrawPosition(TRUE, boards[currentMove]);
7039 appData.animate = saveAnimate;
7040 if (appData.animate || appData.animateDragging) {
7041 /* Undo animation damage if needed */
7042 DrawPosition(FALSE, NULL);
7046 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7047 { // front-end-free part taken out of PieceMenuPopup
7048 int whichMenu; int xSqr, ySqr;
7050 if(seekGraphUp) { // [HGM] seekgraph
7051 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7052 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7056 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7057 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7058 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7059 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7060 if(action == Press) {
7061 originalFlip = flipView;
7062 flipView = !flipView; // temporarily flip board to see game from partners perspective
7063 DrawPosition(TRUE, partnerBoard);
7064 DisplayMessage(partnerStatus, "");
7066 } else if(action == Release) {
7067 flipView = originalFlip;
7068 DrawPosition(TRUE, boards[currentMove]);
7074 xSqr = EventToSquare(x, BOARD_WIDTH);
7075 ySqr = EventToSquare(y, BOARD_HEIGHT);
7076 if (action == Release) {
7077 if(pieceSweep != EmptySquare) {
7078 EditPositionMenuEvent(pieceSweep, toX, toY);
7079 pieceSweep = EmptySquare;
7080 } else UnLoadPV(); // [HGM] pv
7082 if (action != Press) return -2; // return code to be ignored
7085 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7087 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7088 if (xSqr < 0 || ySqr < 0) return -1;
7089 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7090 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7091 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7092 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7096 if(!appData.icsEngineAnalyze) return -1;
7097 case IcsPlayingWhite:
7098 case IcsPlayingBlack:
7099 if(!appData.zippyPlay) goto noZip;
7102 case MachinePlaysWhite:
7103 case MachinePlaysBlack:
7104 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7105 if (!appData.dropMenu) {
7107 return 2; // flag front-end to grab mouse events
7109 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7110 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7113 if (xSqr < 0 || ySqr < 0) return -1;
7114 if (!appData.dropMenu || appData.testLegality &&
7115 gameInfo.variant != VariantBughouse &&
7116 gameInfo.variant != VariantCrazyhouse) return -1;
7117 whichMenu = 1; // drop menu
7123 if (((*fromX = xSqr) < 0) ||
7124 ((*fromY = ySqr) < 0)) {
7125 *fromX = *fromY = -1;
7129 *fromX = BOARD_WIDTH - 1 - *fromX;
7131 *fromY = BOARD_HEIGHT - 1 - *fromY;
7136 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7138 // char * hint = lastHint;
7139 FrontEndProgramStats stats;
7141 stats.which = cps == &first ? 0 : 1;
7142 stats.depth = cpstats->depth;
7143 stats.nodes = cpstats->nodes;
7144 stats.score = cpstats->score;
7145 stats.time = cpstats->time;
7146 stats.pv = cpstats->movelist;
7147 stats.hint = lastHint;
7148 stats.an_move_index = 0;
7149 stats.an_move_count = 0;
7151 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7152 stats.hint = cpstats->move_name;
7153 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7154 stats.an_move_count = cpstats->nr_moves;
7157 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
7159 SetProgramStats( &stats );
7163 ClearEngineOutputPane(int which)
7165 static FrontEndProgramStats dummyStats;
7166 dummyStats.which = which;
7167 dummyStats.pv = "#";
7168 SetProgramStats( &dummyStats );
7171 #define MAXPLAYERS 500
7174 TourneyStandings(int display)
7176 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7177 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7178 char result, *p, *names[MAXPLAYERS];
7180 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7181 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7182 names[0] = p = strdup(appData.participants);
7183 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7185 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7187 while(result = appData.results[nr]) {
7188 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7189 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7190 wScore = bScore = 0;
7192 case '+': wScore = 2; break;
7193 case '-': bScore = 2; break;
7194 case '=': wScore = bScore = 1; break;
7196 case '*': return strdup("busy"); // tourney not finished
7204 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7205 for(w=0; w<nPlayers; w++) {
7207 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7208 ranking[w] = b; points[w] = bScore; score[b] = -2;
7210 p = malloc(nPlayers*34+1);
7211 for(w=0; w<nPlayers && w<display; w++)
7212 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7218 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7219 { // count all piece types
7221 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7222 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7223 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7226 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7227 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7228 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7229 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7230 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7231 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7236 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7238 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7239 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7241 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7242 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7243 if(myPawns == 2 && nMine == 3) // KPP
7244 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7245 if(myPawns == 1 && nMine == 2) // KP
7246 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7247 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7248 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7249 if(myPawns) return FALSE;
7250 if(pCnt[WhiteRook+side])
7251 return pCnt[BlackRook-side] ||
7252 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7253 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7254 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7255 if(pCnt[WhiteCannon+side]) {
7256 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7257 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7259 if(pCnt[WhiteKnight+side])
7260 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7265 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7267 VariantClass v = gameInfo.variant;
7269 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7270 if(v == VariantShatranj) return TRUE; // always winnable through baring
7271 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7272 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7274 if(v == VariantXiangqi) {
7275 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7277 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7278 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7279 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7280 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7281 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7282 if(stale) // we have at least one last-rank P plus perhaps C
7283 return majors // KPKX
7284 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7286 return pCnt[WhiteFerz+side] // KCAK
7287 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7288 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7289 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7291 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7292 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7294 if(nMine == 1) return FALSE; // bare King
7295 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
7296 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7297 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7298 // by now we have King + 1 piece (or multiple Bishops on the same color)
7299 if(pCnt[WhiteKnight+side])
7300 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7301 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7302 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7304 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7305 if(pCnt[WhiteAlfil+side])
7306 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7307 if(pCnt[WhiteWazir+side])
7308 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7315 Adjudicate(ChessProgramState *cps)
7316 { // [HGM] some adjudications useful with buggy engines
7317 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7318 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7319 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7320 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7321 int k, count = 0; static int bare = 1;
7322 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7323 Boolean canAdjudicate = !appData.icsActive;
7325 // most tests only when we understand the game, i.e. legality-checking on
7326 if( appData.testLegality )
7327 { /* [HGM] Some more adjudications for obstinate engines */
7328 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7329 static int moveCount = 6;
7331 char *reason = NULL;
7333 /* Count what is on board. */
7334 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7336 /* Some material-based adjudications that have to be made before stalemate test */
7337 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7338 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7339 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7340 if(canAdjudicate && appData.checkMates) {
7342 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7343 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7344 "Xboard adjudication: King destroyed", GE_XBOARD );
7349 /* Bare King in Shatranj (loses) or Losers (wins) */
7350 if( nrW == 1 || nrB == 1) {
7351 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7352 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7353 if(canAdjudicate && appData.checkMates) {
7355 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7356 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7357 "Xboard adjudication: Bare king", GE_XBOARD );
7361 if( gameInfo.variant == VariantShatranj && --bare < 0)
7363 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7364 if(canAdjudicate && appData.checkMates) {
7365 /* but only adjudicate if adjudication enabled */
7367 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7368 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7369 "Xboard adjudication: Bare king", GE_XBOARD );
7376 // don't wait for engine to announce game end if we can judge ourselves
7377 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7379 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7380 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7381 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7382 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7385 reason = "Xboard adjudication: 3rd check";
7386 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7396 reason = "Xboard adjudication: Stalemate";
7397 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7398 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7399 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7400 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7401 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7402 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7403 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7404 EP_CHECKMATE : EP_WINS);
7405 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7406 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7410 reason = "Xboard adjudication: Checkmate";
7411 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7415 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7417 result = GameIsDrawn; break;
7419 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7421 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7425 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7427 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7428 GameEnds( result, reason, GE_XBOARD );
7432 /* Next absolutely insufficient mating material. */
7433 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7434 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7435 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7437 /* always flag draws, for judging claims */
7438 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7440 if(canAdjudicate && appData.materialDraws) {
7441 /* but only adjudicate them if adjudication enabled */
7442 if(engineOpponent) {
7443 SendToProgram("force\n", engineOpponent); // suppress reply
7444 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7446 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7451 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7452 if(gameInfo.variant == VariantXiangqi ?
7453 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7455 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7456 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7457 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7458 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7460 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7461 { /* if the first 3 moves do not show a tactical win, declare draw */
7462 if(engineOpponent) {
7463 SendToProgram("force\n", engineOpponent); // suppress reply
7464 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7466 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7469 } else moveCount = 6;
7471 if (appData.debugMode) { int i;
7472 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7473 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7474 appData.drawRepeats);
7475 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7476 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7480 // Repetition draws and 50-move rule can be applied independently of legality testing
7482 /* Check for rep-draws */
7484 for(k = forwardMostMove-2;
7485 k>=backwardMostMove && k>=forwardMostMove-100 &&
7486 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7487 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7490 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7491 /* compare castling rights */
7492 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7493 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7494 rights++; /* King lost rights, while rook still had them */
7495 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7496 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7497 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7498 rights++; /* but at least one rook lost them */
7500 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7501 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7503 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7504 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7505 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7508 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7509 && appData.drawRepeats > 1) {
7510 /* adjudicate after user-specified nr of repeats */
7511 int result = GameIsDrawn;
7512 char *details = "XBoard adjudication: repetition draw";
7513 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7514 // [HGM] xiangqi: check for forbidden perpetuals
7515 int m, ourPerpetual = 1, hisPerpetual = 1;
7516 for(m=forwardMostMove; m>k; m-=2) {
7517 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7518 ourPerpetual = 0; // the current mover did not always check
7519 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7520 hisPerpetual = 0; // the opponent did not always check
7522 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7523 ourPerpetual, hisPerpetual);
7524 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7525 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7526 details = "Xboard adjudication: perpetual checking";
7528 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7529 break; // (or we would have caught him before). Abort repetition-checking loop.
7531 // Now check for perpetual chases
7532 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7533 hisPerpetual = PerpetualChase(k, forwardMostMove);
7534 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7535 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7536 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7537 details = "Xboard adjudication: perpetual chasing";
7539 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7540 break; // Abort repetition-checking loop.
7542 // if neither of us is checking or chasing all the time, or both are, it is draw
7544 if(engineOpponent) {
7545 SendToProgram("force\n", engineOpponent); // suppress reply
7546 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7548 GameEnds( result, details, GE_XBOARD );
7551 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7552 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7556 /* Now we test for 50-move draws. Determine ply count */
7557 count = forwardMostMove;
7558 /* look for last irreversble move */
7559 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7561 /* if we hit starting position, add initial plies */
7562 if( count == backwardMostMove )
7563 count -= initialRulePlies;
7564 count = forwardMostMove - count;
7565 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7566 // adjust reversible move counter for checks in Xiangqi
7567 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7568 if(i < backwardMostMove) i = backwardMostMove;
7569 while(i <= forwardMostMove) {
7570 lastCheck = inCheck; // check evasion does not count
7571 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7572 if(inCheck || lastCheck) count--; // check does not count
7577 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7578 /* this is used to judge if draw claims are legal */
7579 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
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, "Xboard adjudication: 50-move rule", GE_XBOARD );
7588 /* if draw offer is pending, treat it as a draw claim
7589 * when draw condition present, to allow engines a way to
7590 * claim draws before making their move to avoid a race
7591 * condition occurring after their move
7593 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7595 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7596 p = "Draw claim: 50-move rule";
7597 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7598 p = "Draw claim: 3-fold repetition";
7599 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7600 p = "Draw claim: insufficient mating material";
7601 if( p != NULL && canAdjudicate) {
7602 if(engineOpponent) {
7603 SendToProgram("force\n", engineOpponent); // suppress reply
7604 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7606 GameEnds( GameIsDrawn, p, GE_XBOARD );
7611 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7612 if(engineOpponent) {
7613 SendToProgram("force\n", engineOpponent); // suppress reply
7614 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7616 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7622 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7623 { // [HGM] book: this routine intercepts moves to simulate book replies
7624 char *bookHit = NULL;
7626 //first determine if the incoming move brings opponent into his book
7627 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7628 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7629 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7630 if(bookHit != NULL && !cps->bookSuspend) {
7631 // make sure opponent is not going to reply after receiving move to book position
7632 SendToProgram("force\n", cps);
7633 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7635 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7636 // now arrange restart after book miss
7638 // after a book hit we never send 'go', and the code after the call to this routine
7639 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7640 char buf[MSG_SIZ], *move = bookHit;
7642 int fromX, fromY, toX, toY;
7646 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7647 &fromX, &fromY, &toX, &toY, &promoChar)) {
7648 (void) CoordsToAlgebraic(boards[forwardMostMove],
7649 PosFlags(forwardMostMove),
7650 fromY, fromX, toY, toX, promoChar, move);
7652 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7656 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7657 SendToProgram(buf, cps);
7658 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7659 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7660 SendToProgram("go\n", cps);
7661 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7662 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7663 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7664 SendToProgram("go\n", cps);
7665 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7667 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7671 ChessProgramState *savedState;
7672 void DeferredBookMove(void)
7674 if(savedState->lastPing != savedState->lastPong)
7675 ScheduleDelayedEvent(DeferredBookMove, 10);
7677 HandleMachineMove(savedMessage, savedState);
7680 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7683 HandleMachineMove(message, cps)
7685 ChessProgramState *cps;
7687 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7688 char realname[MSG_SIZ];
7689 int fromX, fromY, toX, toY;
7696 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7697 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7698 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7699 DisplayError(_("Invalid pairing from pairing engine"), 0);
7702 pairingReceived = 1;
7704 return; // Skim the pairing messages here.
7709 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7711 * Kludge to ignore BEL characters
7713 while (*message == '\007') message++;
7716 * [HGM] engine debug message: ignore lines starting with '#' character
7718 if(cps->debug && *message == '#') return;
7721 * Look for book output
7723 if (cps == &first && bookRequested) {
7724 if (message[0] == '\t' || message[0] == ' ') {
7725 /* Part of the book output is here; append it */
7726 strcat(bookOutput, message);
7727 strcat(bookOutput, " \n");
7729 } else if (bookOutput[0] != NULLCHAR) {
7730 /* All of book output has arrived; display it */
7731 char *p = bookOutput;
7732 while (*p != NULLCHAR) {
7733 if (*p == '\t') *p = ' ';
7736 DisplayInformation(bookOutput);
7737 bookRequested = FALSE;
7738 /* Fall through to parse the current output */
7743 * Look for machine move.
7745 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7746 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7748 /* This method is only useful on engines that support ping */
7749 if (cps->lastPing != cps->lastPong) {
7750 if (gameMode == BeginningOfGame) {
7751 /* Extra move from before last new; ignore */
7752 if (appData.debugMode) {
7753 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7756 if (appData.debugMode) {
7757 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7758 cps->which, gameMode);
7761 SendToProgram("undo\n", cps);
7767 case BeginningOfGame:
7768 /* Extra move from before last reset; ignore */
7769 if (appData.debugMode) {
7770 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7777 /* Extra move after we tried to stop. The mode test is
7778 not a reliable way of detecting this problem, but it's
7779 the best we can do on engines that don't support ping.
7781 if (appData.debugMode) {
7782 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7783 cps->which, gameMode);
7785 SendToProgram("undo\n", cps);
7788 case MachinePlaysWhite:
7789 case IcsPlayingWhite:
7790 machineWhite = TRUE;
7793 case MachinePlaysBlack:
7794 case IcsPlayingBlack:
7795 machineWhite = FALSE;
7798 case TwoMachinesPlay:
7799 machineWhite = (cps->twoMachinesColor[0] == 'w');
7802 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7803 if (appData.debugMode) {
7805 "Ignoring move out of turn by %s, gameMode %d"
7806 ", forwardMost %d\n",
7807 cps->which, gameMode, forwardMostMove);
7812 if (appData.debugMode) { int f = forwardMostMove;
7813 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7814 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7815 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7817 if(cps->alphaRank) AlphaRank(machineMove, 4);
7818 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7819 &fromX, &fromY, &toX, &toY, &promoChar)) {
7820 /* Machine move could not be parsed; ignore it. */
7821 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7822 machineMove, _(cps->which));
7823 DisplayError(buf1, 0);
7824 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7825 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7826 if (gameMode == TwoMachinesPlay) {
7827 GameEnds(machineWhite ? BlackWins : WhiteWins,
7833 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7834 /* So we have to redo legality test with true e.p. status here, */
7835 /* to make sure an illegal e.p. capture does not slip through, */
7836 /* to cause a forfeit on a justified illegal-move complaint */
7837 /* of the opponent. */
7838 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7840 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7841 fromY, fromX, toY, toX, promoChar);
7842 if (appData.debugMode) {
7844 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7845 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7846 fprintf(debugFP, "castling rights\n");
7848 if(moveType == IllegalMove) {
7849 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7850 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7851 GameEnds(machineWhite ? BlackWins : WhiteWins,
7854 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7855 /* [HGM] Kludge to handle engines that send FRC-style castling
7856 when they shouldn't (like TSCP-Gothic) */
7858 case WhiteASideCastleFR:
7859 case BlackASideCastleFR:
7861 currentMoveString[2]++;
7863 case WhiteHSideCastleFR:
7864 case BlackHSideCastleFR:
7866 currentMoveString[2]--;
7868 default: ; // nothing to do, but suppresses warning of pedantic compilers
7871 hintRequested = FALSE;
7872 lastHint[0] = NULLCHAR;
7873 bookRequested = FALSE;
7874 /* Program may be pondering now */
7875 cps->maybeThinking = TRUE;
7876 if (cps->sendTime == 2) cps->sendTime = 1;
7877 if (cps->offeredDraw) cps->offeredDraw--;
7879 /* [AS] Save move info*/
7880 pvInfoList[ forwardMostMove ].score = programStats.score;
7881 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7882 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7884 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7886 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7887 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7890 while( count < adjudicateLossPlies ) {
7891 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7894 score = -score; /* Flip score for winning side */
7897 if( score > adjudicateLossThreshold ) {
7904 if( count >= adjudicateLossPlies ) {
7905 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7907 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7908 "Xboard adjudication",
7915 if(Adjudicate(cps)) {
7916 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7917 return; // [HGM] adjudicate: for all automatic game ends
7921 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7923 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7924 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7926 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7928 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7930 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7931 char buf[3*MSG_SIZ];
7933 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7934 programStats.score / 100.,
7936 programStats.time / 100.,
7937 (unsigned int)programStats.nodes,
7938 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7939 programStats.movelist);
7941 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7946 /* [AS] Clear stats for next move */
7947 ClearProgramStats();
7948 thinkOutput[0] = NULLCHAR;
7949 hiddenThinkOutputState = 0;
7952 if (gameMode == TwoMachinesPlay) {
7953 /* [HGM] relaying draw offers moved to after reception of move */
7954 /* and interpreting offer as claim if it brings draw condition */
7955 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7956 SendToProgram("draw\n", cps->other);
7958 if (cps->other->sendTime) {
7959 SendTimeRemaining(cps->other,
7960 cps->other->twoMachinesColor[0] == 'w');
7962 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7963 if (firstMove && !bookHit) {
7965 if (cps->other->useColors) {
7966 SendToProgram(cps->other->twoMachinesColor, cps->other);
7968 SendToProgram("go\n", cps->other);
7970 cps->other->maybeThinking = TRUE;
7973 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7975 if (!pausing && appData.ringBellAfterMoves) {
7980 * Reenable menu items that were disabled while
7981 * machine was thinking
7983 if (gameMode != TwoMachinesPlay)
7984 SetUserThinkingEnables();
7986 // [HGM] book: after book hit opponent has received move and is now in force mode
7987 // force the book reply into it, and then fake that it outputted this move by jumping
7988 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7990 static char bookMove[MSG_SIZ]; // a bit generous?
7992 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7993 strcat(bookMove, bookHit);
7996 programStats.nodes = programStats.depth = programStats.time =
7997 programStats.score = programStats.got_only_move = 0;
7998 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8000 if(cps->lastPing != cps->lastPong) {
8001 savedMessage = message; // args for deferred call
8003 ScheduleDelayedEvent(DeferredBookMove, 10);
8012 /* Set special modes for chess engines. Later something general
8013 * could be added here; for now there is just one kludge feature,
8014 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8015 * when "xboard" is given as an interactive command.
8017 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8018 cps->useSigint = FALSE;
8019 cps->useSigterm = FALSE;
8021 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8022 ParseFeatures(message+8, cps);
8023 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8026 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8027 int dummy, s=6; char buf[MSG_SIZ];
8028 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8029 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8030 ParseFEN(boards[0], &dummy, message+s);
8031 DrawPosition(TRUE, boards[0]);
8032 startedFromSetupPosition = TRUE;
8035 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8036 * want this, I was asked to put it in, and obliged.
8038 if (!strncmp(message, "setboard ", 9)) {
8039 Board initial_position;
8041 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8043 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8044 DisplayError(_("Bad FEN received from engine"), 0);
8048 CopyBoard(boards[0], initial_position);
8049 initialRulePlies = FENrulePlies;
8050 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8051 else gameMode = MachinePlaysBlack;
8052 DrawPosition(FALSE, boards[currentMove]);
8058 * Look for communication commands
8060 if (!strncmp(message, "telluser ", 9)) {
8061 if(message[9] == '\\' && message[10] == '\\')
8062 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8064 DisplayNote(message + 9);
8067 if (!strncmp(message, "tellusererror ", 14)) {
8069 if(message[14] == '\\' && message[15] == '\\')
8070 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8072 DisplayError(message + 14, 0);
8075 if (!strncmp(message, "tellopponent ", 13)) {
8076 if (appData.icsActive) {
8078 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8082 DisplayNote(message + 13);
8086 if (!strncmp(message, "tellothers ", 11)) {
8087 if (appData.icsActive) {
8089 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8095 if (!strncmp(message, "tellall ", 8)) {
8096 if (appData.icsActive) {
8098 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8102 DisplayNote(message + 8);
8106 if (strncmp(message, "warning", 7) == 0) {
8107 /* Undocumented feature, use tellusererror in new code */
8108 DisplayError(message, 0);
8111 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8112 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8113 strcat(realname, " query");
8114 AskQuestion(realname, buf2, buf1, cps->pr);
8117 /* Commands from the engine directly to ICS. We don't allow these to be
8118 * sent until we are logged on. Crafty kibitzes have been known to
8119 * interfere with the login process.
8122 if (!strncmp(message, "tellics ", 8)) {
8123 SendToICS(message + 8);
8127 if (!strncmp(message, "tellicsnoalias ", 15)) {
8128 SendToICS(ics_prefix);
8129 SendToICS(message + 15);
8133 /* The following are for backward compatibility only */
8134 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8135 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8136 SendToICS(ics_prefix);
8142 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8146 * If the move is illegal, cancel it and redraw the board.
8147 * Also deal with other error cases. Matching is rather loose
8148 * here to accommodate engines written before the spec.
8150 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8151 strncmp(message, "Error", 5) == 0) {
8152 if (StrStr(message, "name") ||
8153 StrStr(message, "rating") || StrStr(message, "?") ||
8154 StrStr(message, "result") || StrStr(message, "board") ||
8155 StrStr(message, "bk") || StrStr(message, "computer") ||
8156 StrStr(message, "variant") || StrStr(message, "hint") ||
8157 StrStr(message, "random") || StrStr(message, "depth") ||
8158 StrStr(message, "accepted")) {
8161 if (StrStr(message, "protover")) {
8162 /* Program is responding to input, so it's apparently done
8163 initializing, and this error message indicates it is
8164 protocol version 1. So we don't need to wait any longer
8165 for it to initialize and send feature commands. */
8166 FeatureDone(cps, 1);
8167 cps->protocolVersion = 1;
8170 cps->maybeThinking = FALSE;
8172 if (StrStr(message, "draw")) {
8173 /* Program doesn't have "draw" command */
8174 cps->sendDrawOffers = 0;
8177 if (cps->sendTime != 1 &&
8178 (StrStr(message, "time") || StrStr(message, "otim"))) {
8179 /* Program apparently doesn't have "time" or "otim" command */
8183 if (StrStr(message, "analyze")) {
8184 cps->analysisSupport = FALSE;
8185 cps->analyzing = FALSE;
8187 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8188 DisplayError(buf2, 0);
8191 if (StrStr(message, "(no matching move)st")) {
8192 /* Special kludge for GNU Chess 4 only */
8193 cps->stKludge = TRUE;
8194 SendTimeControl(cps, movesPerSession, timeControl,
8195 timeIncrement, appData.searchDepth,
8199 if (StrStr(message, "(no matching move)sd")) {
8200 /* Special kludge for GNU Chess 4 only */
8201 cps->sdKludge = TRUE;
8202 SendTimeControl(cps, movesPerSession, timeControl,
8203 timeIncrement, appData.searchDepth,
8207 if (!StrStr(message, "llegal")) {
8210 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8211 gameMode == IcsIdle) return;
8212 if (forwardMostMove <= backwardMostMove) return;
8213 if (pausing) PauseEvent();
8214 if(appData.forceIllegal) {
8215 // [HGM] illegal: machine refused move; force position after move into it
8216 SendToProgram("force\n", cps);
8217 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8218 // we have a real problem now, as SendBoard will use the a2a3 kludge
8219 // when black is to move, while there might be nothing on a2 or black
8220 // might already have the move. So send the board as if white has the move.
8221 // But first we must change the stm of the engine, as it refused the last move
8222 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8223 if(WhiteOnMove(forwardMostMove)) {
8224 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8225 SendBoard(cps, forwardMostMove); // kludgeless board
8227 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8228 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8229 SendBoard(cps, forwardMostMove+1); // kludgeless board
8231 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8232 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8233 gameMode == TwoMachinesPlay)
8234 SendToProgram("go\n", cps);
8237 if (gameMode == PlayFromGameFile) {
8238 /* Stop reading this game file */
8239 gameMode = EditGame;
8242 /* [HGM] illegal-move claim should forfeit game when Xboard */
8243 /* only passes fully legal moves */
8244 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8245 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8246 "False illegal-move claim", GE_XBOARD );
8247 return; // do not take back move we tested as valid
8249 currentMove = forwardMostMove-1;
8250 DisplayMove(currentMove-1); /* before DisplayMoveError */
8251 SwitchClocks(forwardMostMove-1); // [HGM] race
8252 DisplayBothClocks();
8253 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8254 parseList[currentMove], _(cps->which));
8255 DisplayMoveError(buf1);
8256 DrawPosition(FALSE, boards[currentMove]);
8259 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8260 /* Program has a broken "time" command that
8261 outputs a string not ending in newline.
8267 * If chess program startup fails, exit with an error message.
8268 * Attempts to recover here are futile.
8270 if ((StrStr(message, "unknown host") != NULL)
8271 || (StrStr(message, "No remote directory") != NULL)
8272 || (StrStr(message, "not found") != NULL)
8273 || (StrStr(message, "No such file") != NULL)
8274 || (StrStr(message, "can't alloc") != NULL)
8275 || (StrStr(message, "Permission denied") != NULL)) {
8277 cps->maybeThinking = FALSE;
8278 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8279 _(cps->which), cps->program, cps->host, message);
8280 RemoveInputSource(cps->isr);
8281 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8282 if(cps == &first) appData.noChessProgram = TRUE;
8283 DisplayError(buf1, 0);
8289 * Look for hint output
8291 if (sscanf(message, "Hint: %s", buf1) == 1) {
8292 if (cps == &first && hintRequested) {
8293 hintRequested = FALSE;
8294 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8295 &fromX, &fromY, &toX, &toY, &promoChar)) {
8296 (void) CoordsToAlgebraic(boards[forwardMostMove],
8297 PosFlags(forwardMostMove),
8298 fromY, fromX, toY, toX, promoChar, buf1);
8299 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8300 DisplayInformation(buf2);
8302 /* Hint move could not be parsed!? */
8303 snprintf(buf2, sizeof(buf2),
8304 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8305 buf1, _(cps->which));
8306 DisplayError(buf2, 0);
8309 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8315 * Ignore other messages if game is not in progress
8317 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8318 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8321 * look for win, lose, draw, or draw offer
8323 if (strncmp(message, "1-0", 3) == 0) {
8324 char *p, *q, *r = "";
8325 p = strchr(message, '{');
8333 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8335 } else if (strncmp(message, "0-1", 3) == 0) {
8336 char *p, *q, *r = "";
8337 p = strchr(message, '{');
8345 /* Kludge for Arasan 4.1 bug */
8346 if (strcmp(r, "Black resigns") == 0) {
8347 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8350 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8352 } else if (strncmp(message, "1/2", 3) == 0) {
8353 char *p, *q, *r = "";
8354 p = strchr(message, '{');
8363 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8366 } else if (strncmp(message, "White resign", 12) == 0) {
8367 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8369 } else if (strncmp(message, "Black resign", 12) == 0) {
8370 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8372 } else if (strncmp(message, "White matches", 13) == 0 ||
8373 strncmp(message, "Black matches", 13) == 0 ) {
8374 /* [HGM] ignore GNUShogi noises */
8376 } else if (strncmp(message, "White", 5) == 0 &&
8377 message[5] != '(' &&
8378 StrStr(message, "Black") == NULL) {
8379 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8381 } else if (strncmp(message, "Black", 5) == 0 &&
8382 message[5] != '(') {
8383 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8385 } else if (strcmp(message, "resign") == 0 ||
8386 strcmp(message, "computer resigns") == 0) {
8388 case MachinePlaysBlack:
8389 case IcsPlayingBlack:
8390 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8392 case MachinePlaysWhite:
8393 case IcsPlayingWhite:
8394 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8396 case TwoMachinesPlay:
8397 if (cps->twoMachinesColor[0] == 'w')
8398 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8400 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8407 } else if (strncmp(message, "opponent mates", 14) == 0) {
8409 case MachinePlaysBlack:
8410 case IcsPlayingBlack:
8411 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8413 case MachinePlaysWhite:
8414 case IcsPlayingWhite:
8415 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8417 case TwoMachinesPlay:
8418 if (cps->twoMachinesColor[0] == 'w')
8419 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8421 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8428 } else if (strncmp(message, "computer mates", 14) == 0) {
8430 case MachinePlaysBlack:
8431 case IcsPlayingBlack:
8432 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8434 case MachinePlaysWhite:
8435 case IcsPlayingWhite:
8436 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8438 case TwoMachinesPlay:
8439 if (cps->twoMachinesColor[0] == 'w')
8440 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8442 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8449 } else if (strncmp(message, "checkmate", 9) == 0) {
8450 if (WhiteOnMove(forwardMostMove)) {
8451 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8453 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8456 } else if (strstr(message, "Draw") != NULL ||
8457 strstr(message, "game is a draw") != NULL) {
8458 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8460 } else if (strstr(message, "offer") != NULL &&
8461 strstr(message, "draw") != NULL) {
8463 if (appData.zippyPlay && first.initDone) {
8464 /* Relay offer to ICS */
8465 SendToICS(ics_prefix);
8466 SendToICS("draw\n");
8469 cps->offeredDraw = 2; /* valid until this engine moves twice */
8470 if (gameMode == TwoMachinesPlay) {
8471 if (cps->other->offeredDraw) {
8472 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8473 /* [HGM] in two-machine mode we delay relaying draw offer */
8474 /* until after we also have move, to see if it is really claim */
8476 } else if (gameMode == MachinePlaysWhite ||
8477 gameMode == MachinePlaysBlack) {
8478 if (userOfferedDraw) {
8479 DisplayInformation(_("Machine accepts your draw offer"));
8480 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8482 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8489 * Look for thinking output
8491 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8492 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8494 int plylev, mvleft, mvtot, curscore, time;
8495 char mvname[MOVE_LEN];
8499 int prefixHint = FALSE;
8500 mvname[0] = NULLCHAR;
8503 case MachinePlaysBlack:
8504 case IcsPlayingBlack:
8505 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8507 case MachinePlaysWhite:
8508 case IcsPlayingWhite:
8509 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8514 case IcsObserving: /* [DM] icsEngineAnalyze */
8515 if (!appData.icsEngineAnalyze) ignore = TRUE;
8517 case TwoMachinesPlay:
8518 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8528 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8530 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8531 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8533 if (plyext != ' ' && plyext != '\t') {
8537 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8538 if( cps->scoreIsAbsolute &&
8539 ( gameMode == MachinePlaysBlack ||
8540 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8541 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8542 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8543 !WhiteOnMove(currentMove)
8546 curscore = -curscore;
8549 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8551 tempStats.depth = plylev;
8552 tempStats.nodes = nodes;
8553 tempStats.time = time;
8554 tempStats.score = curscore;
8555 tempStats.got_only_move = 0;
8557 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8560 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8561 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8562 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8563 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8564 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8565 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8566 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8567 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8570 /* Buffer overflow protection */
8571 if (pv[0] != NULLCHAR) {
8572 if (strlen(pv) >= sizeof(tempStats.movelist)
8573 && appData.debugMode) {
8575 "PV is too long; using the first %u bytes.\n",
8576 (unsigned) sizeof(tempStats.movelist) - 1);
8579 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8581 sprintf(tempStats.movelist, " no PV\n");
8584 if (tempStats.seen_stat) {
8585 tempStats.ok_to_send = 1;
8588 if (strchr(tempStats.movelist, '(') != NULL) {
8589 tempStats.line_is_book = 1;
8590 tempStats.nr_moves = 0;
8591 tempStats.moves_left = 0;
8593 tempStats.line_is_book = 0;
8596 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8597 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8599 SendProgramStatsToFrontend( cps, &tempStats );
8602 [AS] Protect the thinkOutput buffer from overflow... this
8603 is only useful if buf1 hasn't overflowed first!
8605 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8607 (gameMode == TwoMachinesPlay ?
8608 ToUpper(cps->twoMachinesColor[0]) : ' '),
8609 ((double) curscore) / 100.0,
8610 prefixHint ? lastHint : "",
8611 prefixHint ? " " : "" );
8613 if( buf1[0] != NULLCHAR ) {
8614 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8616 if( strlen(pv) > max_len ) {
8617 if( appData.debugMode) {
8618 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8620 pv[max_len+1] = '\0';
8623 strcat( thinkOutput, pv);
8626 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8627 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8628 DisplayMove(currentMove - 1);
8632 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8633 /* crafty (9.25+) says "(only move) <move>"
8634 * if there is only 1 legal move
8636 sscanf(p, "(only move) %s", buf1);
8637 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8638 sprintf(programStats.movelist, "%s (only move)", buf1);
8639 programStats.depth = 1;
8640 programStats.nr_moves = 1;
8641 programStats.moves_left = 1;
8642 programStats.nodes = 1;
8643 programStats.time = 1;
8644 programStats.got_only_move = 1;
8646 /* Not really, but we also use this member to
8647 mean "line isn't going to change" (Crafty
8648 isn't searching, so stats won't change) */
8649 programStats.line_is_book = 1;
8651 SendProgramStatsToFrontend( cps, &programStats );
8653 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8654 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8655 DisplayMove(currentMove - 1);
8658 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8659 &time, &nodes, &plylev, &mvleft,
8660 &mvtot, mvname) >= 5) {
8661 /* The stat01: line is from Crafty (9.29+) in response
8662 to the "." command */
8663 programStats.seen_stat = 1;
8664 cps->maybeThinking = TRUE;
8666 if (programStats.got_only_move || !appData.periodicUpdates)
8669 programStats.depth = plylev;
8670 programStats.time = time;
8671 programStats.nodes = nodes;
8672 programStats.moves_left = mvleft;
8673 programStats.nr_moves = mvtot;
8674 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8675 programStats.ok_to_send = 1;
8676 programStats.movelist[0] = '\0';
8678 SendProgramStatsToFrontend( cps, &programStats );
8682 } else if (strncmp(message,"++",2) == 0) {
8683 /* Crafty 9.29+ outputs this */
8684 programStats.got_fail = 2;
8687 } else if (strncmp(message,"--",2) == 0) {
8688 /* Crafty 9.29+ outputs this */
8689 programStats.got_fail = 1;
8692 } else if (thinkOutput[0] != NULLCHAR &&
8693 strncmp(message, " ", 4) == 0) {
8694 unsigned message_len;
8697 while (*p && *p == ' ') p++;
8699 message_len = strlen( p );
8701 /* [AS] Avoid buffer overflow */
8702 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8703 strcat(thinkOutput, " ");
8704 strcat(thinkOutput, p);
8707 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8708 strcat(programStats.movelist, " ");
8709 strcat(programStats.movelist, p);
8712 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8713 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8714 DisplayMove(currentMove - 1);
8722 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8723 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8725 ChessProgramStats cpstats;
8727 if (plyext != ' ' && plyext != '\t') {
8731 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8732 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8733 curscore = -curscore;
8736 cpstats.depth = plylev;
8737 cpstats.nodes = nodes;
8738 cpstats.time = time;
8739 cpstats.score = curscore;
8740 cpstats.got_only_move = 0;
8741 cpstats.movelist[0] = '\0';
8743 if (buf1[0] != NULLCHAR) {
8744 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8747 cpstats.ok_to_send = 0;
8748 cpstats.line_is_book = 0;
8749 cpstats.nr_moves = 0;
8750 cpstats.moves_left = 0;
8752 SendProgramStatsToFrontend( cps, &cpstats );
8759 /* Parse a game score from the character string "game", and
8760 record it as the history of the current game. The game
8761 score is NOT assumed to start from the standard position.
8762 The display is not updated in any way.
8765 ParseGameHistory(game)
8769 int fromX, fromY, toX, toY, boardIndex;
8774 if (appData.debugMode)
8775 fprintf(debugFP, "Parsing game history: %s\n", game);
8777 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8778 gameInfo.site = StrSave(appData.icsHost);
8779 gameInfo.date = PGNDate();
8780 gameInfo.round = StrSave("-");
8782 /* Parse out names of players */
8783 while (*game == ' ') game++;
8785 while (*game != ' ') *p++ = *game++;
8787 gameInfo.white = StrSave(buf);
8788 while (*game == ' ') game++;
8790 while (*game != ' ' && *game != '\n') *p++ = *game++;
8792 gameInfo.black = StrSave(buf);
8795 boardIndex = blackPlaysFirst ? 1 : 0;
8798 yyboardindex = boardIndex;
8799 moveType = (ChessMove) Myylex();
8801 case IllegalMove: /* maybe suicide chess, etc. */
8802 if (appData.debugMode) {
8803 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8804 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8805 setbuf(debugFP, NULL);
8807 case WhitePromotion:
8808 case BlackPromotion:
8809 case WhiteNonPromotion:
8810 case BlackNonPromotion:
8812 case WhiteCapturesEnPassant:
8813 case BlackCapturesEnPassant:
8814 case WhiteKingSideCastle:
8815 case WhiteQueenSideCastle:
8816 case BlackKingSideCastle:
8817 case BlackQueenSideCastle:
8818 case WhiteKingSideCastleWild:
8819 case WhiteQueenSideCastleWild:
8820 case BlackKingSideCastleWild:
8821 case BlackQueenSideCastleWild:
8823 case WhiteHSideCastleFR:
8824 case WhiteASideCastleFR:
8825 case BlackHSideCastleFR:
8826 case BlackASideCastleFR:
8828 fromX = currentMoveString[0] - AAA;
8829 fromY = currentMoveString[1] - ONE;
8830 toX = currentMoveString[2] - AAA;
8831 toY = currentMoveString[3] - ONE;
8832 promoChar = currentMoveString[4];
8836 fromX = moveType == WhiteDrop ?
8837 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8838 (int) CharToPiece(ToLower(currentMoveString[0]));
8840 toX = currentMoveString[2] - AAA;
8841 toY = currentMoveString[3] - ONE;
8842 promoChar = NULLCHAR;
8846 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8847 if (appData.debugMode) {
8848 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8849 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8850 setbuf(debugFP, NULL);
8852 DisplayError(buf, 0);
8854 case ImpossibleMove:
8856 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8857 if (appData.debugMode) {
8858 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8859 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8860 setbuf(debugFP, NULL);
8862 DisplayError(buf, 0);
8865 if (boardIndex < backwardMostMove) {
8866 /* Oops, gap. How did that happen? */
8867 DisplayError(_("Gap in move list"), 0);
8870 backwardMostMove = blackPlaysFirst ? 1 : 0;
8871 if (boardIndex > forwardMostMove) {
8872 forwardMostMove = boardIndex;
8876 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8877 strcat(parseList[boardIndex-1], " ");
8878 strcat(parseList[boardIndex-1], yy_text);
8890 case GameUnfinished:
8891 if (gameMode == IcsExamining) {
8892 if (boardIndex < backwardMostMove) {
8893 /* Oops, gap. How did that happen? */
8896 backwardMostMove = blackPlaysFirst ? 1 : 0;
8899 gameInfo.result = moveType;
8900 p = strchr(yy_text, '{');
8901 if (p == NULL) p = strchr(yy_text, '(');
8904 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8906 q = strchr(p, *p == '{' ? '}' : ')');
8907 if (q != NULL) *q = NULLCHAR;
8910 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8911 gameInfo.resultDetails = StrSave(p);
8914 if (boardIndex >= forwardMostMove &&
8915 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8916 backwardMostMove = blackPlaysFirst ? 1 : 0;
8919 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8920 fromY, fromX, toY, toX, promoChar,
8921 parseList[boardIndex]);
8922 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8923 /* currentMoveString is set as a side-effect of yylex */
8924 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8925 strcat(moveList[boardIndex], "\n");
8927 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8928 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8934 if(gameInfo.variant != VariantShogi)
8935 strcat(parseList[boardIndex - 1], "+");
8939 strcat(parseList[boardIndex - 1], "#");
8946 /* Apply a move to the given board */
8948 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8949 int fromX, fromY, toX, toY;
8953 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8954 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8956 /* [HGM] compute & store e.p. status and castling rights for new position */
8957 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8959 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8960 oldEP = (signed char)board[EP_STATUS];
8961 board[EP_STATUS] = EP_NONE;
8963 if( board[toY][toX] != EmptySquare )
8964 board[EP_STATUS] = EP_CAPTURE;
8966 if (fromY == DROP_RANK) {
8968 piece = board[toY][toX] = (ChessSquare) fromX;
8972 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8973 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8974 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8976 if( board[fromY][fromX] == WhitePawn ) {
8977 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8978 board[EP_STATUS] = EP_PAWN_MOVE;
8980 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8981 gameInfo.variant != VariantBerolina || toX < fromX)
8982 board[EP_STATUS] = toX | berolina;
8983 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8984 gameInfo.variant != VariantBerolina || toX > fromX)
8985 board[EP_STATUS] = toX;
8988 if( board[fromY][fromX] == BlackPawn ) {
8989 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8990 board[EP_STATUS] = EP_PAWN_MOVE;
8991 if( toY-fromY== -2) {
8992 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8993 gameInfo.variant != VariantBerolina || toX < fromX)
8994 board[EP_STATUS] = toX | berolina;
8995 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8996 gameInfo.variant != VariantBerolina || toX > fromX)
8997 board[EP_STATUS] = toX;
9001 for(i=0; i<nrCastlingRights; i++) {
9002 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9003 board[CASTLING][i] == toX && castlingRank[i] == toY
9004 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9007 if (fromX == toX && fromY == toY) return;
9009 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9010 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9011 if(gameInfo.variant == VariantKnightmate)
9012 king += (int) WhiteUnicorn - (int) WhiteKing;
9014 /* Code added by Tord: */
9015 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9016 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9017 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9018 board[fromY][fromX] = EmptySquare;
9019 board[toY][toX] = EmptySquare;
9020 if((toX > fromX) != (piece == WhiteRook)) {
9021 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9023 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9025 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9026 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9027 board[fromY][fromX] = EmptySquare;
9028 board[toY][toX] = EmptySquare;
9029 if((toX > fromX) != (piece == BlackRook)) {
9030 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9032 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9034 /* End of code added by Tord */
9036 } else if (board[fromY][fromX] == king
9037 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9038 && toY == fromY && toX > fromX+1) {
9039 board[fromY][fromX] = EmptySquare;
9040 board[toY][toX] = king;
9041 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9042 board[fromY][BOARD_RGHT-1] = EmptySquare;
9043 } else if (board[fromY][fromX] == king
9044 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9045 && toY == fromY && toX < fromX-1) {
9046 board[fromY][fromX] = EmptySquare;
9047 board[toY][toX] = king;
9048 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9049 board[fromY][BOARD_LEFT] = EmptySquare;
9050 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9051 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9052 && toY >= BOARD_HEIGHT-promoRank
9054 /* white pawn promotion */
9055 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9056 if (board[toY][toX] == EmptySquare) {
9057 board[toY][toX] = WhiteQueen;
9059 if(gameInfo.variant==VariantBughouse ||
9060 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9061 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9062 board[fromY][fromX] = EmptySquare;
9063 } else if ((fromY == BOARD_HEIGHT-4)
9065 && gameInfo.variant != VariantXiangqi
9066 && gameInfo.variant != VariantBerolina
9067 && (board[fromY][fromX] == WhitePawn)
9068 && (board[toY][toX] == EmptySquare)) {
9069 board[fromY][fromX] = EmptySquare;
9070 board[toY][toX] = WhitePawn;
9071 captured = board[toY - 1][toX];
9072 board[toY - 1][toX] = EmptySquare;
9073 } else if ((fromY == BOARD_HEIGHT-4)
9075 && gameInfo.variant == VariantBerolina
9076 && (board[fromY][fromX] == WhitePawn)
9077 && (board[toY][toX] == EmptySquare)) {
9078 board[fromY][fromX] = EmptySquare;
9079 board[toY][toX] = WhitePawn;
9080 if(oldEP & EP_BEROLIN_A) {
9081 captured = board[fromY][fromX-1];
9082 board[fromY][fromX-1] = EmptySquare;
9083 }else{ captured = board[fromY][fromX+1];
9084 board[fromY][fromX+1] = EmptySquare;
9086 } else if (board[fromY][fromX] == king
9087 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9088 && toY == fromY && toX > fromX+1) {
9089 board[fromY][fromX] = EmptySquare;
9090 board[toY][toX] = king;
9091 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9092 board[fromY][BOARD_RGHT-1] = EmptySquare;
9093 } else if (board[fromY][fromX] == king
9094 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9095 && toY == fromY && toX < fromX-1) {
9096 board[fromY][fromX] = EmptySquare;
9097 board[toY][toX] = king;
9098 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9099 board[fromY][BOARD_LEFT] = EmptySquare;
9100 } else if (fromY == 7 && fromX == 3
9101 && board[fromY][fromX] == BlackKing
9102 && toY == 7 && toX == 5) {
9103 board[fromY][fromX] = EmptySquare;
9104 board[toY][toX] = BlackKing;
9105 board[fromY][7] = EmptySquare;
9106 board[toY][4] = BlackRook;
9107 } else if (fromY == 7 && fromX == 3
9108 && board[fromY][fromX] == BlackKing
9109 && toY == 7 && toX == 1) {
9110 board[fromY][fromX] = EmptySquare;
9111 board[toY][toX] = BlackKing;
9112 board[fromY][0] = EmptySquare;
9113 board[toY][2] = BlackRook;
9114 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9115 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9118 /* black pawn promotion */
9119 board[toY][toX] = CharToPiece(ToLower(promoChar));
9120 if (board[toY][toX] == EmptySquare) {
9121 board[toY][toX] = BlackQueen;
9123 if(gameInfo.variant==VariantBughouse ||
9124 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9125 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9126 board[fromY][fromX] = EmptySquare;
9127 } else if ((fromY == 3)
9129 && gameInfo.variant != VariantXiangqi
9130 && gameInfo.variant != VariantBerolina
9131 && (board[fromY][fromX] == BlackPawn)
9132 && (board[toY][toX] == EmptySquare)) {
9133 board[fromY][fromX] = EmptySquare;
9134 board[toY][toX] = BlackPawn;
9135 captured = board[toY + 1][toX];
9136 board[toY + 1][toX] = EmptySquare;
9137 } else if ((fromY == 3)
9139 && gameInfo.variant == VariantBerolina
9140 && (board[fromY][fromX] == BlackPawn)
9141 && (board[toY][toX] == EmptySquare)) {
9142 board[fromY][fromX] = EmptySquare;
9143 board[toY][toX] = BlackPawn;
9144 if(oldEP & EP_BEROLIN_A) {
9145 captured = board[fromY][fromX-1];
9146 board[fromY][fromX-1] = EmptySquare;
9147 }else{ captured = board[fromY][fromX+1];
9148 board[fromY][fromX+1] = EmptySquare;
9151 board[toY][toX] = board[fromY][fromX];
9152 board[fromY][fromX] = EmptySquare;
9156 if (gameInfo.holdingsWidth != 0) {
9158 /* !!A lot more code needs to be written to support holdings */
9159 /* [HGM] OK, so I have written it. Holdings are stored in the */
9160 /* penultimate board files, so they are automaticlly stored */
9161 /* in the game history. */
9162 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9163 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9164 /* Delete from holdings, by decreasing count */
9165 /* and erasing image if necessary */
9166 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9167 if(p < (int) BlackPawn) { /* white drop */
9168 p -= (int)WhitePawn;
9169 p = PieceToNumber((ChessSquare)p);
9170 if(p >= gameInfo.holdingsSize) p = 0;
9171 if(--board[p][BOARD_WIDTH-2] <= 0)
9172 board[p][BOARD_WIDTH-1] = EmptySquare;
9173 if((int)board[p][BOARD_WIDTH-2] < 0)
9174 board[p][BOARD_WIDTH-2] = 0;
9175 } else { /* black drop */
9176 p -= (int)BlackPawn;
9177 p = PieceToNumber((ChessSquare)p);
9178 if(p >= gameInfo.holdingsSize) p = 0;
9179 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9180 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9181 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9182 board[BOARD_HEIGHT-1-p][1] = 0;
9185 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9186 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9187 /* [HGM] holdings: Add to holdings, if holdings exist */
9188 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
9189 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9190 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9193 if (p >= (int) BlackPawn) {
9194 p -= (int)BlackPawn;
9195 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9196 /* in Shogi restore piece to its original first */
9197 captured = (ChessSquare) (DEMOTED captured);
9200 p = PieceToNumber((ChessSquare)p);
9201 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9202 board[p][BOARD_WIDTH-2]++;
9203 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9205 p -= (int)WhitePawn;
9206 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9207 captured = (ChessSquare) (DEMOTED captured);
9210 p = PieceToNumber((ChessSquare)p);
9211 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9212 board[BOARD_HEIGHT-1-p][1]++;
9213 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9216 } else if (gameInfo.variant == VariantAtomic) {
9217 if (captured != EmptySquare) {
9219 for (y = toY-1; y <= toY+1; y++) {
9220 for (x = toX-1; x <= toX+1; x++) {
9221 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9222 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9223 board[y][x] = EmptySquare;
9227 board[toY][toX] = EmptySquare;
9230 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9231 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9233 if(promoChar == '+') {
9234 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9235 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9236 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9237 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9239 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9240 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9241 // [HGM] superchess: take promotion piece out of holdings
9242 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9243 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9244 if(!--board[k][BOARD_WIDTH-2])
9245 board[k][BOARD_WIDTH-1] = EmptySquare;
9247 if(!--board[BOARD_HEIGHT-1-k][1])
9248 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9254 /* Updates forwardMostMove */
9256 MakeMove(fromX, fromY, toX, toY, promoChar)
9257 int fromX, fromY, toX, toY;
9260 // forwardMostMove++; // [HGM] bare: moved downstream
9262 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9263 int timeLeft; static int lastLoadFlag=0; int king, piece;
9264 piece = boards[forwardMostMove][fromY][fromX];
9265 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9266 if(gameInfo.variant == VariantKnightmate)
9267 king += (int) WhiteUnicorn - (int) WhiteKing;
9268 if(forwardMostMove == 0) {
9270 fprintf(serverMoves, "%s;", second.tidy);
9271 fprintf(serverMoves, "%s;", first.tidy);
9272 if(!blackPlaysFirst)
9273 fprintf(serverMoves, "%s;", second.tidy);
9274 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9275 lastLoadFlag = loadFlag;
9277 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9278 // print castling suffix
9279 if( toY == fromY && piece == king ) {
9281 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9283 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9286 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9287 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9288 boards[forwardMostMove][toY][toX] == EmptySquare
9289 && fromX != toX && fromY != toY)
9290 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9292 if(promoChar != NULLCHAR)
9293 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9295 fprintf(serverMoves, "/%d/%d",
9296 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9297 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9298 else timeLeft = blackTimeRemaining/1000;
9299 fprintf(serverMoves, "/%d", timeLeft);
9301 fflush(serverMoves);
9304 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9305 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9309 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9310 if (commentList[forwardMostMove+1] != NULL) {
9311 free(commentList[forwardMostMove+1]);
9312 commentList[forwardMostMove+1] = NULL;
9314 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9315 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9316 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9317 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9318 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9319 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9320 gameInfo.result = GameUnfinished;
9321 if (gameInfo.resultDetails != NULL) {
9322 free(gameInfo.resultDetails);
9323 gameInfo.resultDetails = NULL;
9325 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9326 moveList[forwardMostMove - 1]);
9327 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9328 PosFlags(forwardMostMove - 1),
9329 fromY, fromX, toY, toX, promoChar,
9330 parseList[forwardMostMove - 1]);
9331 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9337 if(gameInfo.variant != VariantShogi)
9338 strcat(parseList[forwardMostMove - 1], "+");
9342 strcat(parseList[forwardMostMove - 1], "#");
9345 if (appData.debugMode) {
9346 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9351 /* Updates currentMove if not pausing */
9353 ShowMove(fromX, fromY, toX, toY)
9355 int instant = (gameMode == PlayFromGameFile) ?
9356 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9357 if(appData.noGUI) return;
9358 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9360 if (forwardMostMove == currentMove + 1) {
9361 AnimateMove(boards[forwardMostMove - 1],
9362 fromX, fromY, toX, toY);
9364 if (appData.highlightLastMove) {
9365 SetHighlights(fromX, fromY, toX, toY);
9368 currentMove = forwardMostMove;
9371 if (instant) return;
9373 DisplayMove(currentMove - 1);
9374 DrawPosition(FALSE, boards[currentMove]);
9375 DisplayBothClocks();
9376 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9377 DisplayBook(currentMove);
9380 void SendEgtPath(ChessProgramState *cps)
9381 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9382 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9384 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9387 char c, *q = name+1, *r, *s;
9389 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9390 while(*p && *p != ',') *q++ = *p++;
9392 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9393 strcmp(name, ",nalimov:") == 0 ) {
9394 // take nalimov path from the menu-changeable option first, if it is defined
9395 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9396 SendToProgram(buf,cps); // send egtbpath command for nalimov
9398 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9399 (s = StrStr(appData.egtFormats, name)) != NULL) {
9400 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9401 s = r = StrStr(s, ":") + 1; // beginning of path info
9402 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9403 c = *r; *r = 0; // temporarily null-terminate path info
9404 *--q = 0; // strip of trailig ':' from name
9405 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9407 SendToProgram(buf,cps); // send egtbpath command for this format
9409 if(*p == ',') p++; // read away comma to position for next format name
9414 InitChessProgram(cps, setup)
9415 ChessProgramState *cps;
9416 int setup; /* [HGM] needed to setup FRC opening position */
9418 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9419 if (appData.noChessProgram) return;
9420 hintRequested = FALSE;
9421 bookRequested = FALSE;
9423 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9424 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9425 if(cps->memSize) { /* [HGM] memory */
9426 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9427 SendToProgram(buf, cps);
9429 SendEgtPath(cps); /* [HGM] EGT */
9430 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9431 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9432 SendToProgram(buf, cps);
9435 SendToProgram(cps->initString, cps);
9436 if (gameInfo.variant != VariantNormal &&
9437 gameInfo.variant != VariantLoadable
9438 /* [HGM] also send variant if board size non-standard */
9439 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9441 char *v = VariantName(gameInfo.variant);
9442 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9443 /* [HGM] in protocol 1 we have to assume all variants valid */
9444 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9445 DisplayFatalError(buf, 0, 1);
9449 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9450 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9451 if( gameInfo.variant == VariantXiangqi )
9452 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9453 if( gameInfo.variant == VariantShogi )
9454 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9455 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9456 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9457 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9458 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9459 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9460 if( gameInfo.variant == VariantCourier )
9461 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9462 if( gameInfo.variant == VariantSuper )
9463 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9464 if( gameInfo.variant == VariantGreat )
9465 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9466 if( gameInfo.variant == VariantSChess )
9467 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9470 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9471 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9472 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9473 if(StrStr(cps->variants, b) == NULL) {
9474 // specific sized variant not known, check if general sizing allowed
9475 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9476 if(StrStr(cps->variants, "boardsize") == NULL) {
9477 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9478 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9479 DisplayFatalError(buf, 0, 1);
9482 /* [HGM] here we really should compare with the maximum supported board size */
9485 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9486 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9487 SendToProgram(buf, cps);
9489 currentlyInitializedVariant = gameInfo.variant;
9491 /* [HGM] send opening position in FRC to first engine */
9493 SendToProgram("force\n", cps);
9495 /* engine is now in force mode! Set flag to wake it up after first move. */
9496 setboardSpoiledMachineBlack = 1;
9500 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9501 SendToProgram(buf, cps);
9503 cps->maybeThinking = FALSE;
9504 cps->offeredDraw = 0;
9505 if (!appData.icsActive) {
9506 SendTimeControl(cps, movesPerSession, timeControl,
9507 timeIncrement, appData.searchDepth,
9510 if (appData.showThinking
9511 // [HGM] thinking: four options require thinking output to be sent
9512 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9514 SendToProgram("post\n", cps);
9516 SendToProgram("hard\n", cps);
9517 if (!appData.ponderNextMove) {
9518 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9519 it without being sure what state we are in first. "hard"
9520 is not a toggle, so that one is OK.
9522 SendToProgram("easy\n", cps);
9525 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9526 SendToProgram(buf, cps);
9528 cps->initDone = TRUE;
9529 ClearEngineOutputPane(cps == &second);
9534 StartChessProgram(cps)
9535 ChessProgramState *cps;
9540 if (appData.noChessProgram) return;
9541 cps->initDone = FALSE;
9543 if (strcmp(cps->host, "localhost") == 0) {
9544 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9545 } else if (*appData.remoteShell == NULLCHAR) {
9546 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9548 if (*appData.remoteUser == NULLCHAR) {
9549 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9552 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9553 cps->host, appData.remoteUser, cps->program);
9555 err = StartChildProcess(buf, "", &cps->pr);
9559 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9560 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9561 if(cps != &first) return;
9562 appData.noChessProgram = TRUE;
9565 // DisplayFatalError(buf, err, 1);
9566 // cps->pr = NoProc;
9571 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9572 if (cps->protocolVersion > 1) {
9573 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9574 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9575 cps->comboCnt = 0; // and values of combo boxes
9576 SendToProgram(buf, cps);
9578 SendToProgram("xboard\n", cps);
9583 TwoMachinesEventIfReady P((void))
9585 static int curMess = 0;
9586 if (first.lastPing != first.lastPong) {
9587 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9588 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9591 if (second.lastPing != second.lastPong) {
9592 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9593 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9596 DisplayMessage("", ""); curMess = 0;
9602 MakeName(char *template)
9606 static char buf[MSG_SIZ];
9610 clock = time((time_t *)NULL);
9611 tm = localtime(&clock);
9613 while(*p++ = *template++) if(p[-1] == '%') {
9614 switch(*template++) {
9615 case 0: *p = 0; return buf;
9616 case 'Y': i = tm->tm_year+1900; break;
9617 case 'y': i = tm->tm_year-100; break;
9618 case 'M': i = tm->tm_mon+1; break;
9619 case 'd': i = tm->tm_mday; break;
9620 case 'h': i = tm->tm_hour; break;
9621 case 'm': i = tm->tm_min; break;
9622 case 's': i = tm->tm_sec; break;
9625 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9631 CountPlayers(char *p)
9634 while(p = strchr(p, '\n')) p++, n++; // count participants
9639 WriteTourneyFile(char *results)
9640 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9641 FILE *f = fopen(appData.tourneyFile, "w");
9642 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9643 // create a file with tournament description
9644 fprintf(f, "-participants {%s}\n", appData.participants);
9645 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9646 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9647 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9648 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9649 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9650 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9651 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9652 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9653 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9654 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9655 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9657 fprintf(f, "-searchTime \"%s\"\n", appData.searchTime);
9659 fprintf(f, "-mps %d\n", appData.movesPerSession);
9660 fprintf(f, "-tc %s\n", appData.timeControl);
9661 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9663 fprintf(f, "-results \"%s\"\n", results);
9669 CreateTourney(char *name)
9672 if(name[0] == NULLCHAR) {
9673 if(appData.participants[0])
9674 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9677 f = fopen(name, "r");
9678 if(f) { // file exists
9679 ASSIGN(appData.tourneyFile, name);
9680 ParseArgsFromFile(f); // parse it
9682 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9683 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9684 DisplayError(_("Not enough participants"), 0);
9687 ASSIGN(appData.tourneyFile, name);
9688 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9689 if((f = WriteTourneyFile("")) == NULL) return 0;
9692 appData.noChessProgram = FALSE;
9693 appData.clockMode = TRUE;
9698 #define MAXENGINES 1000
9699 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9701 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9703 char buf[MSG_SIZ], *p, *q;
9707 while(*p && *p != '\n') *q++ = *p++;
9709 if(engineList[i]) free(engineList[i]);
9710 engineList[i] = strdup(buf);
9712 TidyProgramName(engineList[i], "localhost", buf);
9713 if(engineMnemonic[i]) free(engineMnemonic[i]);
9714 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9716 sscanf(q + 8, "%s", buf + strlen(buf));
9719 engineMnemonic[i] = strdup(buf);
9721 if(i > MAXENGINES - 2) break;
9723 engineList[i] = NULL;
9726 // following implemented as macro to avoid type limitations
9727 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9729 void SwapEngines(int n)
9730 { // swap settings for first engine and other engine (so far only some selected options)
9735 SWAP(chessProgram, p)
9737 SWAP(hasOwnBookUCI, h)
9738 SWAP(protocolVersion, h)
9740 SWAP(scoreIsAbsolute, h)
9748 SetPlayer(int player)
9749 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9751 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9752 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9753 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9754 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9756 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9757 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9758 ParseArgsFromString(buf);
9764 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9765 { // determine players from game number
9766 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9768 if(appData.tourneyType == 0) {
9769 roundsPerCycle = (nPlayers - 1) | 1;
9770 pairingsPerRound = nPlayers / 2;
9771 } else if(appData.tourneyType > 0) {
9772 roundsPerCycle = nPlayers - appData.tourneyType;
9773 pairingsPerRound = appData.tourneyType;
9775 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9776 gamesPerCycle = gamesPerRound * roundsPerCycle;
9777 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9778 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9779 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9780 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9781 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9782 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9784 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9785 if(appData.roundSync) *syncInterval = gamesPerRound;
9787 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9789 if(appData.tourneyType == 0) {
9790 if(curPairing == (nPlayers-1)/2 ) {
9791 *whitePlayer = curRound;
9792 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9794 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9795 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9796 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9797 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9799 } else if(appData.tourneyType > 0) {
9800 *whitePlayer = curPairing;
9801 *blackPlayer = curRound + appData.tourneyType;
9804 // take care of white/black alternation per round.
9805 // For cycles and games this is already taken care of by default, derived from matchGame!
9806 return curRound & 1;
9810 NextTourneyGame(int nr, int *swapColors)
9811 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9813 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9815 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9816 tf = fopen(appData.tourneyFile, "r");
9817 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9818 ParseArgsFromFile(tf); fclose(tf);
9819 InitTimeControls(); // TC might be altered from tourney file
9821 nPlayers = CountPlayers(appData.participants); // count participants
9822 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9823 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9826 p = q = appData.results;
9827 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9828 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9829 DisplayMessage(_("Waiting for other game(s)"),"");
9830 waitingForGame = TRUE;
9831 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9834 waitingForGame = FALSE;
9837 if(appData.tourneyType < 0) {
9838 if(nr>=0 && !pairingReceived) {
9840 if(pairing.pr == NoProc) {
9841 if(!appData.pairingEngine[0]) {
9842 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9845 StartChessProgram(&pairing); // starts the pairing engine
9847 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9848 SendToProgram(buf, &pairing);
9849 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9850 SendToProgram(buf, &pairing);
9851 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
9853 pairingReceived = 0; // ... so we continue here
9855 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
9856 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
9857 matchGame = 1; roundNr = nr / syncInterval + 1;
9860 if(first.pr != NoProc) return 1; // engines already loaded
9862 // redefine engines, engine dir, etc.
9863 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9864 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9866 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9867 SwapEngines(1); // and make that valid for second engine by swapping
9868 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9869 InitEngine(&second, 1);
9870 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9871 UpdateLogos(FALSE); // leave display to ModeHiglight()
9877 { // performs game initialization that does not invoke engines, and then tries to start the game
9878 int firstWhite, swapColors = 0;
9879 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9880 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9881 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9882 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9883 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9884 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9885 Reset(FALSE, first.pr != NoProc);
9886 appData.noChessProgram = FALSE;
9887 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9891 void UserAdjudicationEvent( int result )
9893 ChessMove gameResult = GameIsDrawn;
9896 gameResult = WhiteWins;
9898 else if( result < 0 ) {
9899 gameResult = BlackWins;
9902 if( gameMode == TwoMachinesPlay ) {
9903 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9908 // [HGM] save: calculate checksum of game to make games easily identifiable
9909 int StringCheckSum(char *s)
9912 if(s==NULL) return 0;
9913 while(*s) i = i*259 + *s++;
9920 for(i=backwardMostMove; i<forwardMostMove; i++) {
9921 sum += pvInfoList[i].depth;
9922 sum += StringCheckSum(parseList[i]);
9923 sum += StringCheckSum(commentList[i]);
9926 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9927 return sum + StringCheckSum(commentList[i]);
9928 } // end of save patch
9931 GameEnds(result, resultDetails, whosays)
9933 char *resultDetails;
9936 GameMode nextGameMode;
9938 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9940 if(endingGame) return; /* [HGM] crash: forbid recursion */
9942 if(twoBoards) { // [HGM] dual: switch back to one board
9943 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9944 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9946 if (appData.debugMode) {
9947 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9948 result, resultDetails ? resultDetails : "(null)", whosays);
9951 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9953 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9954 /* If we are playing on ICS, the server decides when the
9955 game is over, but the engine can offer to draw, claim
9959 if (appData.zippyPlay && first.initDone) {
9960 if (result == GameIsDrawn) {
9961 /* In case draw still needs to be claimed */
9962 SendToICS(ics_prefix);
9963 SendToICS("draw\n");
9964 } else if (StrCaseStr(resultDetails, "resign")) {
9965 SendToICS(ics_prefix);
9966 SendToICS("resign\n");
9970 endingGame = 0; /* [HGM] crash */
9974 /* If we're loading the game from a file, stop */
9975 if (whosays == GE_FILE) {
9976 (void) StopLoadGameTimer();
9980 /* Cancel draw offers */
9981 first.offeredDraw = second.offeredDraw = 0;
9983 /* If this is an ICS game, only ICS can really say it's done;
9984 if not, anyone can. */
9985 isIcsGame = (gameMode == IcsPlayingWhite ||
9986 gameMode == IcsPlayingBlack ||
9987 gameMode == IcsObserving ||
9988 gameMode == IcsExamining);
9990 if (!isIcsGame || whosays == GE_ICS) {
9991 /* OK -- not an ICS game, or ICS said it was done */
9993 if (!isIcsGame && !appData.noChessProgram)
9994 SetUserThinkingEnables();
9996 /* [HGM] if a machine claims the game end we verify this claim */
9997 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9998 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10000 ChessMove trueResult = (ChessMove) -1;
10002 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10003 first.twoMachinesColor[0] :
10004 second.twoMachinesColor[0] ;
10006 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10007 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10008 /* [HGM] verify: engine mate claims accepted if they were flagged */
10009 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10011 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10012 /* [HGM] verify: engine mate claims accepted if they were flagged */
10013 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10015 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10016 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10019 // now verify win claims, but not in drop games, as we don't understand those yet
10020 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10021 || gameInfo.variant == VariantGreat) &&
10022 (result == WhiteWins && claimer == 'w' ||
10023 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10024 if (appData.debugMode) {
10025 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10026 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10028 if(result != trueResult) {
10029 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10030 result = claimer == 'w' ? BlackWins : WhiteWins;
10031 resultDetails = buf;
10034 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10035 && (forwardMostMove <= backwardMostMove ||
10036 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10037 (claimer=='b')==(forwardMostMove&1))
10039 /* [HGM] verify: draws that were not flagged are false claims */
10040 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10041 result = claimer == 'w' ? BlackWins : WhiteWins;
10042 resultDetails = buf;
10044 /* (Claiming a loss is accepted no questions asked!) */
10046 /* [HGM] bare: don't allow bare King to win */
10047 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
10048 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10049 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10050 && result != GameIsDrawn)
10051 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10052 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10053 int p = (signed char)boards[forwardMostMove][i][j] - color;
10054 if(p >= 0 && p <= (int)WhiteKing) k++;
10056 if (appData.debugMode) {
10057 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10058 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10061 result = GameIsDrawn;
10062 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10063 resultDetails = buf;
10069 if(serverMoves != NULL && !loadFlag) { char c = '=';
10070 if(result==WhiteWins) c = '+';
10071 if(result==BlackWins) c = '-';
10072 if(resultDetails != NULL)
10073 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10075 if (resultDetails != NULL) {
10076 gameInfo.result = result;
10077 gameInfo.resultDetails = StrSave(resultDetails);
10079 /* display last move only if game was not loaded from file */
10080 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10081 DisplayMove(currentMove - 1);
10083 if (forwardMostMove != 0) {
10084 if (gameMode != PlayFromGameFile && gameMode != EditGame
10085 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10087 if (*appData.saveGameFile != NULLCHAR) {
10088 SaveGameToFile(appData.saveGameFile, TRUE);
10089 } else if (appData.autoSaveGames) {
10092 if (*appData.savePositionFile != NULLCHAR) {
10093 SavePositionToFile(appData.savePositionFile);
10098 /* Tell program how game ended in case it is learning */
10099 /* [HGM] Moved this to after saving the PGN, just in case */
10100 /* engine died and we got here through time loss. In that */
10101 /* case we will get a fatal error writing the pipe, which */
10102 /* would otherwise lose us the PGN. */
10103 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10104 /* output during GameEnds should never be fatal anymore */
10105 if (gameMode == MachinePlaysWhite ||
10106 gameMode == MachinePlaysBlack ||
10107 gameMode == TwoMachinesPlay ||
10108 gameMode == IcsPlayingWhite ||
10109 gameMode == IcsPlayingBlack ||
10110 gameMode == BeginningOfGame) {
10112 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10114 if (first.pr != NoProc) {
10115 SendToProgram(buf, &first);
10117 if (second.pr != NoProc &&
10118 gameMode == TwoMachinesPlay) {
10119 SendToProgram(buf, &second);
10124 if (appData.icsActive) {
10125 if (appData.quietPlay &&
10126 (gameMode == IcsPlayingWhite ||
10127 gameMode == IcsPlayingBlack)) {
10128 SendToICS(ics_prefix);
10129 SendToICS("set shout 1\n");
10131 nextGameMode = IcsIdle;
10132 ics_user_moved = FALSE;
10133 /* clean up premove. It's ugly when the game has ended and the
10134 * premove highlights are still on the board.
10137 gotPremove = FALSE;
10138 ClearPremoveHighlights();
10139 DrawPosition(FALSE, boards[currentMove]);
10141 if (whosays == GE_ICS) {
10144 if (gameMode == IcsPlayingWhite)
10146 else if(gameMode == IcsPlayingBlack)
10147 PlayIcsLossSound();
10150 if (gameMode == IcsPlayingBlack)
10152 else if(gameMode == IcsPlayingWhite)
10153 PlayIcsLossSound();
10156 PlayIcsDrawSound();
10159 PlayIcsUnfinishedSound();
10162 } else if (gameMode == EditGame ||
10163 gameMode == PlayFromGameFile ||
10164 gameMode == AnalyzeMode ||
10165 gameMode == AnalyzeFile) {
10166 nextGameMode = gameMode;
10168 nextGameMode = EndOfGame;
10173 nextGameMode = gameMode;
10176 if (appData.noChessProgram) {
10177 gameMode = nextGameMode;
10179 endingGame = 0; /* [HGM] crash */
10184 /* Put first chess program into idle state */
10185 if (first.pr != NoProc &&
10186 (gameMode == MachinePlaysWhite ||
10187 gameMode == MachinePlaysBlack ||
10188 gameMode == TwoMachinesPlay ||
10189 gameMode == IcsPlayingWhite ||
10190 gameMode == IcsPlayingBlack ||
10191 gameMode == BeginningOfGame)) {
10192 SendToProgram("force\n", &first);
10193 if (first.usePing) {
10195 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10196 SendToProgram(buf, &first);
10199 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10200 /* Kill off first chess program */
10201 if (first.isr != NULL)
10202 RemoveInputSource(first.isr);
10205 if (first.pr != NoProc) {
10207 DoSleep( appData.delayBeforeQuit );
10208 SendToProgram("quit\n", &first);
10209 DoSleep( appData.delayAfterQuit );
10210 DestroyChildProcess(first.pr, first.useSigterm);
10214 if (second.reuse) {
10215 /* Put second chess program into idle state */
10216 if (second.pr != NoProc &&
10217 gameMode == TwoMachinesPlay) {
10218 SendToProgram("force\n", &second);
10219 if (second.usePing) {
10221 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10222 SendToProgram(buf, &second);
10225 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10226 /* Kill off second chess program */
10227 if (second.isr != NULL)
10228 RemoveInputSource(second.isr);
10231 if (second.pr != NoProc) {
10232 DoSleep( appData.delayBeforeQuit );
10233 SendToProgram("quit\n", &second);
10234 DoSleep( appData.delayAfterQuit );
10235 DestroyChildProcess(second.pr, second.useSigterm);
10237 second.pr = NoProc;
10240 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10241 char resChar = '=';
10245 if (first.twoMachinesColor[0] == 'w') {
10248 second.matchWins++;
10253 if (first.twoMachinesColor[0] == 'b') {
10256 second.matchWins++;
10259 case GameUnfinished:
10265 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10266 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10267 ReserveGame(nextGame, resChar); // sets nextGame
10268 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10269 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10270 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10272 if (nextGame <= appData.matchGames && !abortMatch) {
10273 gameMode = nextGameMode;
10274 matchGame = nextGame; // this will be overruled in tourney mode!
10275 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10276 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10277 endingGame = 0; /* [HGM] crash */
10280 gameMode = nextGameMode;
10281 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10282 first.tidy, second.tidy,
10283 first.matchWins, second.matchWins,
10284 appData.matchGames - (first.matchWins + second.matchWins));
10285 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10286 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10287 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10288 first.twoMachinesColor = "black\n";
10289 second.twoMachinesColor = "white\n";
10291 first.twoMachinesColor = "white\n";
10292 second.twoMachinesColor = "black\n";
10296 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10297 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10299 gameMode = nextGameMode;
10301 endingGame = 0; /* [HGM] crash */
10302 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10303 if(matchMode == TRUE) { // match through command line: exit with or without popup
10305 ToNrEvent(forwardMostMove);
10306 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10308 } else DisplayFatalError(buf, 0, 0);
10309 } else { // match through menu; just stop, with or without popup
10310 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10313 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10314 } else DisplayNote(buf);
10316 if(ranking) free(ranking);
10320 /* Assumes program was just initialized (initString sent).
10321 Leaves program in force mode. */
10323 FeedMovesToProgram(cps, upto)
10324 ChessProgramState *cps;
10329 if (appData.debugMode)
10330 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10331 startedFromSetupPosition ? "position and " : "",
10332 backwardMostMove, upto, cps->which);
10333 if(currentlyInitializedVariant != gameInfo.variant) {
10335 // [HGM] variantswitch: make engine aware of new variant
10336 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10337 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10338 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10339 SendToProgram(buf, cps);
10340 currentlyInitializedVariant = gameInfo.variant;
10342 SendToProgram("force\n", cps);
10343 if (startedFromSetupPosition) {
10344 SendBoard(cps, backwardMostMove);
10345 if (appData.debugMode) {
10346 fprintf(debugFP, "feedMoves\n");
10349 for (i = backwardMostMove; i < upto; i++) {
10350 SendMoveToProgram(i, cps);
10356 ResurrectChessProgram()
10358 /* The chess program may have exited.
10359 If so, restart it and feed it all the moves made so far. */
10360 static int doInit = 0;
10362 if (appData.noChessProgram) return 1;
10364 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10365 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10366 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10367 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10369 if (first.pr != NoProc) return 1;
10370 StartChessProgram(&first);
10372 InitChessProgram(&first, FALSE);
10373 FeedMovesToProgram(&first, currentMove);
10375 if (!first.sendTime) {
10376 /* can't tell gnuchess what its clock should read,
10377 so we bow to its notion. */
10379 timeRemaining[0][currentMove] = whiteTimeRemaining;
10380 timeRemaining[1][currentMove] = blackTimeRemaining;
10383 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10384 appData.icsEngineAnalyze) && first.analysisSupport) {
10385 SendToProgram("analyze\n", &first);
10386 first.analyzing = TRUE;
10392 * Button procedures
10395 Reset(redraw, init)
10400 if (appData.debugMode) {
10401 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10402 redraw, init, gameMode);
10404 CleanupTail(); // [HGM] vari: delete any stored variations
10405 pausing = pauseExamInvalid = FALSE;
10406 startedFromSetupPosition = blackPlaysFirst = FALSE;
10408 whiteFlag = blackFlag = FALSE;
10409 userOfferedDraw = FALSE;
10410 hintRequested = bookRequested = FALSE;
10411 first.maybeThinking = FALSE;
10412 second.maybeThinking = FALSE;
10413 first.bookSuspend = FALSE; // [HGM] book
10414 second.bookSuspend = FALSE;
10415 thinkOutput[0] = NULLCHAR;
10416 lastHint[0] = NULLCHAR;
10417 ClearGameInfo(&gameInfo);
10418 gameInfo.variant = StringToVariant(appData.variant);
10419 ics_user_moved = ics_clock_paused = FALSE;
10420 ics_getting_history = H_FALSE;
10422 white_holding[0] = black_holding[0] = NULLCHAR;
10423 ClearProgramStats();
10424 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10428 flipView = appData.flipView;
10429 ClearPremoveHighlights();
10430 gotPremove = FALSE;
10431 alarmSounded = FALSE;
10433 GameEnds(EndOfFile, NULL, GE_PLAYER);
10434 if(appData.serverMovesName != NULL) {
10435 /* [HGM] prepare to make moves file for broadcasting */
10436 clock_t t = clock();
10437 if(serverMoves != NULL) fclose(serverMoves);
10438 serverMoves = fopen(appData.serverMovesName, "r");
10439 if(serverMoves != NULL) {
10440 fclose(serverMoves);
10441 /* delay 15 sec before overwriting, so all clients can see end */
10442 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10444 serverMoves = fopen(appData.serverMovesName, "w");
10448 gameMode = BeginningOfGame;
10450 if(appData.icsActive) gameInfo.variant = VariantNormal;
10451 currentMove = forwardMostMove = backwardMostMove = 0;
10452 InitPosition(redraw);
10453 for (i = 0; i < MAX_MOVES; i++) {
10454 if (commentList[i] != NULL) {
10455 free(commentList[i]);
10456 commentList[i] = NULL;
10460 timeRemaining[0][0] = whiteTimeRemaining;
10461 timeRemaining[1][0] = blackTimeRemaining;
10463 if (first.pr == NULL) {
10464 StartChessProgram(&first);
10467 InitChessProgram(&first, startedFromSetupPosition);
10470 DisplayMessage("", "");
10471 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10472 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10479 if (!AutoPlayOneMove())
10481 if (matchMode || appData.timeDelay == 0)
10483 if (appData.timeDelay < 0)
10485 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10494 int fromX, fromY, toX, toY;
10496 if (appData.debugMode) {
10497 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10500 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10503 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10504 pvInfoList[currentMove].depth = programStats.depth;
10505 pvInfoList[currentMove].score = programStats.score;
10506 pvInfoList[currentMove].time = 0;
10507 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10510 if (currentMove >= forwardMostMove) {
10511 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10512 gameMode = EditGame;
10515 /* [AS] Clear current move marker at the end of a game */
10516 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10521 toX = moveList[currentMove][2] - AAA;
10522 toY = moveList[currentMove][3] - ONE;
10524 if (moveList[currentMove][1] == '@') {
10525 if (appData.highlightLastMove) {
10526 SetHighlights(-1, -1, toX, toY);
10529 fromX = moveList[currentMove][0] - AAA;
10530 fromY = moveList[currentMove][1] - ONE;
10532 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10534 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10536 if (appData.highlightLastMove) {
10537 SetHighlights(fromX, fromY, toX, toY);
10540 DisplayMove(currentMove);
10541 SendMoveToProgram(currentMove++, &first);
10542 DisplayBothClocks();
10543 DrawPosition(FALSE, boards[currentMove]);
10544 // [HGM] PV info: always display, routine tests if empty
10545 DisplayComment(currentMove - 1, commentList[currentMove]);
10551 LoadGameOneMove(readAhead)
10552 ChessMove readAhead;
10554 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10555 char promoChar = NULLCHAR;
10556 ChessMove moveType;
10557 char move[MSG_SIZ];
10560 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10561 gameMode != AnalyzeMode && gameMode != Training) {
10566 yyboardindex = forwardMostMove;
10567 if (readAhead != EndOfFile) {
10568 moveType = readAhead;
10570 if (gameFileFP == NULL)
10572 moveType = (ChessMove) Myylex();
10576 switch (moveType) {
10578 if (appData.debugMode)
10579 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10582 /* append the comment but don't display it */
10583 AppendComment(currentMove, p, FALSE);
10586 case WhiteCapturesEnPassant:
10587 case BlackCapturesEnPassant:
10588 case WhitePromotion:
10589 case BlackPromotion:
10590 case WhiteNonPromotion:
10591 case BlackNonPromotion:
10593 case WhiteKingSideCastle:
10594 case WhiteQueenSideCastle:
10595 case BlackKingSideCastle:
10596 case BlackQueenSideCastle:
10597 case WhiteKingSideCastleWild:
10598 case WhiteQueenSideCastleWild:
10599 case BlackKingSideCastleWild:
10600 case BlackQueenSideCastleWild:
10602 case WhiteHSideCastleFR:
10603 case WhiteASideCastleFR:
10604 case BlackHSideCastleFR:
10605 case BlackASideCastleFR:
10607 if (appData.debugMode)
10608 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10609 fromX = currentMoveString[0] - AAA;
10610 fromY = currentMoveString[1] - ONE;
10611 toX = currentMoveString[2] - AAA;
10612 toY = currentMoveString[3] - ONE;
10613 promoChar = currentMoveString[4];
10618 if (appData.debugMode)
10619 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10620 fromX = moveType == WhiteDrop ?
10621 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10622 (int) CharToPiece(ToLower(currentMoveString[0]));
10624 toX = currentMoveString[2] - AAA;
10625 toY = currentMoveString[3] - ONE;
10631 case GameUnfinished:
10632 if (appData.debugMode)
10633 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10634 p = strchr(yy_text, '{');
10635 if (p == NULL) p = strchr(yy_text, '(');
10638 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10640 q = strchr(p, *p == '{' ? '}' : ')');
10641 if (q != NULL) *q = NULLCHAR;
10644 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10645 GameEnds(moveType, p, GE_FILE);
10647 if (cmailMsgLoaded) {
10649 flipView = WhiteOnMove(currentMove);
10650 if (moveType == GameUnfinished) flipView = !flipView;
10651 if (appData.debugMode)
10652 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10657 if (appData.debugMode)
10658 fprintf(debugFP, "Parser hit end of file\n");
10659 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10665 if (WhiteOnMove(currentMove)) {
10666 GameEnds(BlackWins, "Black mates", GE_FILE);
10668 GameEnds(WhiteWins, "White mates", GE_FILE);
10672 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10678 case MoveNumberOne:
10679 if (lastLoadGameStart == GNUChessGame) {
10680 /* GNUChessGames have numbers, but they aren't move numbers */
10681 if (appData.debugMode)
10682 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10683 yy_text, (int) moveType);
10684 return LoadGameOneMove(EndOfFile); /* tail recursion */
10686 /* else fall thru */
10691 /* Reached start of next game in file */
10692 if (appData.debugMode)
10693 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10694 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10700 if (WhiteOnMove(currentMove)) {
10701 GameEnds(BlackWins, "Black mates", GE_FILE);
10703 GameEnds(WhiteWins, "White mates", GE_FILE);
10707 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10713 case PositionDiagram: /* should not happen; ignore */
10714 case ElapsedTime: /* ignore */
10715 case NAG: /* ignore */
10716 if (appData.debugMode)
10717 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10718 yy_text, (int) moveType);
10719 return LoadGameOneMove(EndOfFile); /* tail recursion */
10722 if (appData.testLegality) {
10723 if (appData.debugMode)
10724 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10725 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10726 (forwardMostMove / 2) + 1,
10727 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10728 DisplayError(move, 0);
10731 if (appData.debugMode)
10732 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10733 yy_text, currentMoveString);
10734 fromX = currentMoveString[0] - AAA;
10735 fromY = currentMoveString[1] - ONE;
10736 toX = currentMoveString[2] - AAA;
10737 toY = currentMoveString[3] - ONE;
10738 promoChar = currentMoveString[4];
10742 case AmbiguousMove:
10743 if (appData.debugMode)
10744 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10745 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10746 (forwardMostMove / 2) + 1,
10747 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10748 DisplayError(move, 0);
10753 case ImpossibleMove:
10754 if (appData.debugMode)
10755 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10756 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10757 (forwardMostMove / 2) + 1,
10758 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10759 DisplayError(move, 0);
10765 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10766 DrawPosition(FALSE, boards[currentMove]);
10767 DisplayBothClocks();
10768 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10769 DisplayComment(currentMove - 1, commentList[currentMove]);
10771 (void) StopLoadGameTimer();
10773 cmailOldMove = forwardMostMove;
10776 /* currentMoveString is set as a side-effect of yylex */
10778 thinkOutput[0] = NULLCHAR;
10779 MakeMove(fromX, fromY, toX, toY, promoChar);
10780 currentMove = forwardMostMove;
10785 /* Load the nth game from the given file */
10787 LoadGameFromFile(filename, n, title, useList)
10791 /*Boolean*/ int useList;
10796 if (strcmp(filename, "-") == 0) {
10800 f = fopen(filename, "rb");
10802 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10803 DisplayError(buf, errno);
10807 if (fseek(f, 0, 0) == -1) {
10808 /* f is not seekable; probably a pipe */
10811 if (useList && n == 0) {
10812 int error = GameListBuild(f);
10814 DisplayError(_("Cannot build game list"), error);
10815 } else if (!ListEmpty(&gameList) &&
10816 ((ListGame *) gameList.tailPred)->number > 1) {
10817 GameListPopUp(f, title);
10824 return LoadGame(f, n, title, FALSE);
10829 MakeRegisteredMove()
10831 int fromX, fromY, toX, toY;
10833 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10834 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10837 if (appData.debugMode)
10838 fprintf(debugFP, "Restoring %s for game %d\n",
10839 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10841 thinkOutput[0] = NULLCHAR;
10842 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10843 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10844 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10845 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10846 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10847 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10848 MakeMove(fromX, fromY, toX, toY, promoChar);
10849 ShowMove(fromX, fromY, toX, toY);
10851 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10858 if (WhiteOnMove(currentMove)) {
10859 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10861 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10866 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10873 if (WhiteOnMove(currentMove)) {
10874 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10876 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10881 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10892 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10894 CmailLoadGame(f, gameNumber, title, useList)
10902 if (gameNumber > nCmailGames) {
10903 DisplayError(_("No more games in this message"), 0);
10906 if (f == lastLoadGameFP) {
10907 int offset = gameNumber - lastLoadGameNumber;
10909 cmailMsg[0] = NULLCHAR;
10910 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10911 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10912 nCmailMovesRegistered--;
10914 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10915 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10916 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10919 if (! RegisterMove()) return FALSE;
10923 retVal = LoadGame(f, gameNumber, title, useList);
10925 /* Make move registered during previous look at this game, if any */
10926 MakeRegisteredMove();
10928 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10929 commentList[currentMove]
10930 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10931 DisplayComment(currentMove - 1, commentList[currentMove]);
10937 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10942 int gameNumber = lastLoadGameNumber + offset;
10943 if (lastLoadGameFP == NULL) {
10944 DisplayError(_("No game has been loaded yet"), 0);
10947 if (gameNumber <= 0) {
10948 DisplayError(_("Can't back up any further"), 0);
10951 if (cmailMsgLoaded) {
10952 return CmailLoadGame(lastLoadGameFP, gameNumber,
10953 lastLoadGameTitle, lastLoadGameUseList);
10955 return LoadGame(lastLoadGameFP, gameNumber,
10956 lastLoadGameTitle, lastLoadGameUseList);
10962 /* Load the nth game from open file f */
10964 LoadGame(f, gameNumber, title, useList)
10972 int gn = gameNumber;
10973 ListGame *lg = NULL;
10974 int numPGNTags = 0;
10976 GameMode oldGameMode;
10977 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10979 if (appData.debugMode)
10980 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10982 if (gameMode == Training )
10983 SetTrainingModeOff();
10985 oldGameMode = gameMode;
10986 if (gameMode != BeginningOfGame) {
10987 Reset(FALSE, TRUE);
10991 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10992 fclose(lastLoadGameFP);
10996 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10999 fseek(f, lg->offset, 0);
11000 GameListHighlight(gameNumber);
11004 DisplayError(_("Game number out of range"), 0);
11009 if (fseek(f, 0, 0) == -1) {
11010 if (f == lastLoadGameFP ?
11011 gameNumber == lastLoadGameNumber + 1 :
11015 DisplayError(_("Can't seek on game file"), 0);
11020 lastLoadGameFP = f;
11021 lastLoadGameNumber = gameNumber;
11022 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11023 lastLoadGameUseList = useList;
11027 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11028 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11029 lg->gameInfo.black);
11031 } else if (*title != NULLCHAR) {
11032 if (gameNumber > 1) {
11033 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11036 DisplayTitle(title);
11040 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11041 gameMode = PlayFromGameFile;
11045 currentMove = forwardMostMove = backwardMostMove = 0;
11046 CopyBoard(boards[0], initialPosition);
11050 * Skip the first gn-1 games in the file.
11051 * Also skip over anything that precedes an identifiable
11052 * start of game marker, to avoid being confused by
11053 * garbage at the start of the file. Currently
11054 * recognized start of game markers are the move number "1",
11055 * the pattern "gnuchess .* game", the pattern
11056 * "^[#;%] [^ ]* game file", and a PGN tag block.
11057 * A game that starts with one of the latter two patterns
11058 * will also have a move number 1, possibly
11059 * following a position diagram.
11060 * 5-4-02: Let's try being more lenient and allowing a game to
11061 * start with an unnumbered move. Does that break anything?
11063 cm = lastLoadGameStart = EndOfFile;
11065 yyboardindex = forwardMostMove;
11066 cm = (ChessMove) Myylex();
11069 if (cmailMsgLoaded) {
11070 nCmailGames = CMAIL_MAX_GAMES - gn;
11073 DisplayError(_("Game not found in file"), 0);
11080 lastLoadGameStart = cm;
11083 case MoveNumberOne:
11084 switch (lastLoadGameStart) {
11089 case MoveNumberOne:
11091 gn--; /* count this game */
11092 lastLoadGameStart = cm;
11101 switch (lastLoadGameStart) {
11104 case MoveNumberOne:
11106 gn--; /* count this game */
11107 lastLoadGameStart = cm;
11110 lastLoadGameStart = cm; /* game counted already */
11118 yyboardindex = forwardMostMove;
11119 cm = (ChessMove) Myylex();
11120 } while (cm == PGNTag || cm == Comment);
11127 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11128 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11129 != CMAIL_OLD_RESULT) {
11131 cmailResult[ CMAIL_MAX_GAMES
11132 - gn - 1] = CMAIL_OLD_RESULT;
11138 /* Only a NormalMove can be at the start of a game
11139 * without a position diagram. */
11140 if (lastLoadGameStart == EndOfFile ) {
11142 lastLoadGameStart = MoveNumberOne;
11151 if (appData.debugMode)
11152 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11154 if (cm == XBoardGame) {
11155 /* Skip any header junk before position diagram and/or move 1 */
11157 yyboardindex = forwardMostMove;
11158 cm = (ChessMove) Myylex();
11160 if (cm == EndOfFile ||
11161 cm == GNUChessGame || cm == XBoardGame) {
11162 /* Empty game; pretend end-of-file and handle later */
11167 if (cm == MoveNumberOne || cm == PositionDiagram ||
11168 cm == PGNTag || cm == Comment)
11171 } else if (cm == GNUChessGame) {
11172 if (gameInfo.event != NULL) {
11173 free(gameInfo.event);
11175 gameInfo.event = StrSave(yy_text);
11178 startedFromSetupPosition = FALSE;
11179 while (cm == PGNTag) {
11180 if (appData.debugMode)
11181 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11182 err = ParsePGNTag(yy_text, &gameInfo);
11183 if (!err) numPGNTags++;
11185 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11186 if(gameInfo.variant != oldVariant) {
11187 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11188 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11189 InitPosition(TRUE);
11190 oldVariant = gameInfo.variant;
11191 if (appData.debugMode)
11192 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11196 if (gameInfo.fen != NULL) {
11197 Board initial_position;
11198 startedFromSetupPosition = TRUE;
11199 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11201 DisplayError(_("Bad FEN position in file"), 0);
11204 CopyBoard(boards[0], initial_position);
11205 if (blackPlaysFirst) {
11206 currentMove = forwardMostMove = backwardMostMove = 1;
11207 CopyBoard(boards[1], initial_position);
11208 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11209 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11210 timeRemaining[0][1] = whiteTimeRemaining;
11211 timeRemaining[1][1] = blackTimeRemaining;
11212 if (commentList[0] != NULL) {
11213 commentList[1] = commentList[0];
11214 commentList[0] = NULL;
11217 currentMove = forwardMostMove = backwardMostMove = 0;
11219 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11221 initialRulePlies = FENrulePlies;
11222 for( i=0; i< nrCastlingRights; i++ )
11223 initialRights[i] = initial_position[CASTLING][i];
11225 yyboardindex = forwardMostMove;
11226 free(gameInfo.fen);
11227 gameInfo.fen = NULL;
11230 yyboardindex = forwardMostMove;
11231 cm = (ChessMove) Myylex();
11233 /* Handle comments interspersed among the tags */
11234 while (cm == Comment) {
11236 if (appData.debugMode)
11237 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11239 AppendComment(currentMove, p, FALSE);
11240 yyboardindex = forwardMostMove;
11241 cm = (ChessMove) Myylex();
11245 /* don't rely on existence of Event tag since if game was
11246 * pasted from clipboard the Event tag may not exist
11248 if (numPGNTags > 0){
11250 if (gameInfo.variant == VariantNormal) {
11251 VariantClass v = StringToVariant(gameInfo.event);
11252 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11253 if(v < VariantShogi) gameInfo.variant = v;
11256 if( appData.autoDisplayTags ) {
11257 tags = PGNTags(&gameInfo);
11258 TagsPopUp(tags, CmailMsg());
11263 /* Make something up, but don't display it now */
11268 if (cm == PositionDiagram) {
11271 Board initial_position;
11273 if (appData.debugMode)
11274 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11276 if (!startedFromSetupPosition) {
11278 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11279 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11290 initial_position[i][j++] = CharToPiece(*p);
11293 while (*p == ' ' || *p == '\t' ||
11294 *p == '\n' || *p == '\r') p++;
11296 if (strncmp(p, "black", strlen("black"))==0)
11297 blackPlaysFirst = TRUE;
11299 blackPlaysFirst = FALSE;
11300 startedFromSetupPosition = TRUE;
11302 CopyBoard(boards[0], initial_position);
11303 if (blackPlaysFirst) {
11304 currentMove = forwardMostMove = backwardMostMove = 1;
11305 CopyBoard(boards[1], initial_position);
11306 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11307 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11308 timeRemaining[0][1] = whiteTimeRemaining;
11309 timeRemaining[1][1] = blackTimeRemaining;
11310 if (commentList[0] != NULL) {
11311 commentList[1] = commentList[0];
11312 commentList[0] = NULL;
11315 currentMove = forwardMostMove = backwardMostMove = 0;
11318 yyboardindex = forwardMostMove;
11319 cm = (ChessMove) Myylex();
11322 if (first.pr == NoProc) {
11323 StartChessProgram(&first);
11325 InitChessProgram(&first, FALSE);
11326 SendToProgram("force\n", &first);
11327 if (startedFromSetupPosition) {
11328 SendBoard(&first, forwardMostMove);
11329 if (appData.debugMode) {
11330 fprintf(debugFP, "Load Game\n");
11332 DisplayBothClocks();
11335 /* [HGM] server: flag to write setup moves in broadcast file as one */
11336 loadFlag = appData.suppressLoadMoves;
11338 while (cm == Comment) {
11340 if (appData.debugMode)
11341 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11343 AppendComment(currentMove, p, FALSE);
11344 yyboardindex = forwardMostMove;
11345 cm = (ChessMove) Myylex();
11348 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11349 cm == WhiteWins || cm == BlackWins ||
11350 cm == GameIsDrawn || cm == GameUnfinished) {
11351 DisplayMessage("", _("No moves in game"));
11352 if (cmailMsgLoaded) {
11353 if (appData.debugMode)
11354 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11358 DrawPosition(FALSE, boards[currentMove]);
11359 DisplayBothClocks();
11360 gameMode = EditGame;
11367 // [HGM] PV info: routine tests if comment empty
11368 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11369 DisplayComment(currentMove - 1, commentList[currentMove]);
11371 if (!matchMode && appData.timeDelay != 0)
11372 DrawPosition(FALSE, boards[currentMove]);
11374 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11375 programStats.ok_to_send = 1;
11378 /* if the first token after the PGN tags is a move
11379 * and not move number 1, retrieve it from the parser
11381 if (cm != MoveNumberOne)
11382 LoadGameOneMove(cm);
11384 /* load the remaining moves from the file */
11385 while (LoadGameOneMove(EndOfFile)) {
11386 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11387 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11390 /* rewind to the start of the game */
11391 currentMove = backwardMostMove;
11393 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11395 if (oldGameMode == AnalyzeFile ||
11396 oldGameMode == AnalyzeMode) {
11397 AnalyzeFileEvent();
11400 if (matchMode || appData.timeDelay == 0) {
11402 gameMode = EditGame;
11404 } else if (appData.timeDelay > 0) {
11405 AutoPlayGameLoop();
11408 if (appData.debugMode)
11409 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11411 loadFlag = 0; /* [HGM] true game starts */
11415 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11417 ReloadPosition(offset)
11420 int positionNumber = lastLoadPositionNumber + offset;
11421 if (lastLoadPositionFP == NULL) {
11422 DisplayError(_("No position has been loaded yet"), 0);
11425 if (positionNumber <= 0) {
11426 DisplayError(_("Can't back up any further"), 0);
11429 return LoadPosition(lastLoadPositionFP, positionNumber,
11430 lastLoadPositionTitle);
11433 /* Load the nth position from the given file */
11435 LoadPositionFromFile(filename, n, title)
11443 if (strcmp(filename, "-") == 0) {
11444 return LoadPosition(stdin, n, "stdin");
11446 f = fopen(filename, "rb");
11448 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11449 DisplayError(buf, errno);
11452 return LoadPosition(f, n, title);
11457 /* Load the nth position from the given open file, and close it */
11459 LoadPosition(f, positionNumber, title)
11461 int positionNumber;
11464 char *p, line[MSG_SIZ];
11465 Board initial_position;
11466 int i, j, fenMode, pn;
11468 if (gameMode == Training )
11469 SetTrainingModeOff();
11471 if (gameMode != BeginningOfGame) {
11472 Reset(FALSE, TRUE);
11474 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11475 fclose(lastLoadPositionFP);
11477 if (positionNumber == 0) positionNumber = 1;
11478 lastLoadPositionFP = f;
11479 lastLoadPositionNumber = positionNumber;
11480 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11481 if (first.pr == NoProc) {
11482 StartChessProgram(&first);
11483 InitChessProgram(&first, FALSE);
11485 pn = positionNumber;
11486 if (positionNumber < 0) {
11487 /* Negative position number means to seek to that byte offset */
11488 if (fseek(f, -positionNumber, 0) == -1) {
11489 DisplayError(_("Can't seek on position file"), 0);
11494 if (fseek(f, 0, 0) == -1) {
11495 if (f == lastLoadPositionFP ?
11496 positionNumber == lastLoadPositionNumber + 1 :
11497 positionNumber == 1) {
11500 DisplayError(_("Can't seek on position file"), 0);
11505 /* See if this file is FEN or old-style xboard */
11506 if (fgets(line, MSG_SIZ, f) == NULL) {
11507 DisplayError(_("Position not found in file"), 0);
11510 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11511 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11514 if (fenMode || line[0] == '#') pn--;
11516 /* skip positions before number pn */
11517 if (fgets(line, MSG_SIZ, f) == NULL) {
11519 DisplayError(_("Position not found in file"), 0);
11522 if (fenMode || line[0] == '#') pn--;
11527 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11528 DisplayError(_("Bad FEN position in file"), 0);
11532 (void) fgets(line, MSG_SIZ, f);
11533 (void) fgets(line, MSG_SIZ, f);
11535 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11536 (void) fgets(line, MSG_SIZ, f);
11537 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11540 initial_position[i][j++] = CharToPiece(*p);
11544 blackPlaysFirst = FALSE;
11546 (void) fgets(line, MSG_SIZ, f);
11547 if (strncmp(line, "black", strlen("black"))==0)
11548 blackPlaysFirst = TRUE;
11551 startedFromSetupPosition = TRUE;
11553 SendToProgram("force\n", &first);
11554 CopyBoard(boards[0], initial_position);
11555 if (blackPlaysFirst) {
11556 currentMove = forwardMostMove = backwardMostMove = 1;
11557 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11558 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11559 CopyBoard(boards[1], initial_position);
11560 DisplayMessage("", _("Black to play"));
11562 currentMove = forwardMostMove = backwardMostMove = 0;
11563 DisplayMessage("", _("White to play"));
11565 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11566 SendBoard(&first, forwardMostMove);
11567 if (appData.debugMode) {
11569 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11570 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11571 fprintf(debugFP, "Load Position\n");
11574 if (positionNumber > 1) {
11575 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11576 DisplayTitle(line);
11578 DisplayTitle(title);
11580 gameMode = EditGame;
11583 timeRemaining[0][1] = whiteTimeRemaining;
11584 timeRemaining[1][1] = blackTimeRemaining;
11585 DrawPosition(FALSE, boards[currentMove]);
11592 CopyPlayerNameIntoFileName(dest, src)
11595 while (*src != NULLCHAR && *src != ',') {
11600 *(*dest)++ = *src++;
11605 char *DefaultFileName(ext)
11608 static char def[MSG_SIZ];
11611 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11613 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11615 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11617 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11624 /* Save the current game to the given file */
11626 SaveGameToFile(filename, append)
11634 if (strcmp(filename, "-") == 0) {
11635 return SaveGame(stdout, 0, NULL);
11637 f = fopen(filename, append ? "a" : "w");
11639 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11640 DisplayError(buf, errno);
11643 safeStrCpy(buf, lastMsg, MSG_SIZ);
11644 DisplayMessage(_("Waiting for access to save file"), "");
11645 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11646 DisplayMessage(_("Saving game"), "");
11647 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11648 result = SaveGame(f, 0, NULL);
11649 DisplayMessage(buf, "");
11659 static char buf[MSG_SIZ];
11662 p = strchr(str, ' ');
11663 if (p == NULL) return str;
11664 strncpy(buf, str, p - str);
11665 buf[p - str] = NULLCHAR;
11669 #define PGN_MAX_LINE 75
11671 #define PGN_SIDE_WHITE 0
11672 #define PGN_SIDE_BLACK 1
11675 static int FindFirstMoveOutOfBook( int side )
11679 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11680 int index = backwardMostMove;
11681 int has_book_hit = 0;
11683 if( (index % 2) != side ) {
11687 while( index < forwardMostMove ) {
11688 /* Check to see if engine is in book */
11689 int depth = pvInfoList[index].depth;
11690 int score = pvInfoList[index].score;
11696 else if( score == 0 && depth == 63 ) {
11697 in_book = 1; /* Zappa */
11699 else if( score == 2 && depth == 99 ) {
11700 in_book = 1; /* Abrok */
11703 has_book_hit += in_book;
11719 void GetOutOfBookInfo( char * buf )
11723 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11725 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11726 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11730 if( oob[0] >= 0 || oob[1] >= 0 ) {
11731 for( i=0; i<2; i++ ) {
11735 if( i > 0 && oob[0] >= 0 ) {
11736 strcat( buf, " " );
11739 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11740 sprintf( buf+strlen(buf), "%s%.2f",
11741 pvInfoList[idx].score >= 0 ? "+" : "",
11742 pvInfoList[idx].score / 100.0 );
11748 /* Save game in PGN style and close the file */
11753 int i, offset, linelen, newblock;
11757 int movelen, numlen, blank;
11758 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11760 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11762 tm = time((time_t *) NULL);
11764 PrintPGNTags(f, &gameInfo);
11766 if (backwardMostMove > 0 || startedFromSetupPosition) {
11767 char *fen = PositionToFEN(backwardMostMove, NULL);
11768 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11769 fprintf(f, "\n{--------------\n");
11770 PrintPosition(f, backwardMostMove);
11771 fprintf(f, "--------------}\n");
11775 /* [AS] Out of book annotation */
11776 if( appData.saveOutOfBookInfo ) {
11779 GetOutOfBookInfo( buf );
11781 if( buf[0] != '\0' ) {
11782 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11789 i = backwardMostMove;
11793 while (i < forwardMostMove) {
11794 /* Print comments preceding this move */
11795 if (commentList[i] != NULL) {
11796 if (linelen > 0) fprintf(f, "\n");
11797 fprintf(f, "%s", commentList[i]);
11802 /* Format move number */
11804 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11807 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11809 numtext[0] = NULLCHAR;
11811 numlen = strlen(numtext);
11814 /* Print move number */
11815 blank = linelen > 0 && numlen > 0;
11816 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11825 fprintf(f, "%s", numtext);
11829 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11830 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11833 blank = linelen > 0 && movelen > 0;
11834 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11843 fprintf(f, "%s", move_buffer);
11844 linelen += movelen;
11846 /* [AS] Add PV info if present */
11847 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11848 /* [HGM] add time */
11849 char buf[MSG_SIZ]; int seconds;
11851 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11857 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11860 seconds = (seconds + 4)/10; // round to full seconds
11862 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11864 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11867 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11868 pvInfoList[i].score >= 0 ? "+" : "",
11869 pvInfoList[i].score / 100.0,
11870 pvInfoList[i].depth,
11873 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11875 /* Print score/depth */
11876 blank = linelen > 0 && movelen > 0;
11877 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11886 fprintf(f, "%s", move_buffer);
11887 linelen += movelen;
11893 /* Start a new line */
11894 if (linelen > 0) fprintf(f, "\n");
11896 /* Print comments after last move */
11897 if (commentList[i] != NULL) {
11898 fprintf(f, "%s\n", commentList[i]);
11902 if (gameInfo.resultDetails != NULL &&
11903 gameInfo.resultDetails[0] != NULLCHAR) {
11904 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11905 PGNResult(gameInfo.result));
11907 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11911 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11915 /* Save game in old style and close the file */
11917 SaveGameOldStyle(f)
11923 tm = time((time_t *) NULL);
11925 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11928 if (backwardMostMove > 0 || startedFromSetupPosition) {
11929 fprintf(f, "\n[--------------\n");
11930 PrintPosition(f, backwardMostMove);
11931 fprintf(f, "--------------]\n");
11936 i = backwardMostMove;
11937 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11939 while (i < forwardMostMove) {
11940 if (commentList[i] != NULL) {
11941 fprintf(f, "[%s]\n", commentList[i]);
11944 if ((i % 2) == 1) {
11945 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11948 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11950 if (commentList[i] != NULL) {
11954 if (i >= forwardMostMove) {
11958 fprintf(f, "%s\n", parseList[i]);
11963 if (commentList[i] != NULL) {
11964 fprintf(f, "[%s]\n", commentList[i]);
11967 /* This isn't really the old style, but it's close enough */
11968 if (gameInfo.resultDetails != NULL &&
11969 gameInfo.resultDetails[0] != NULLCHAR) {
11970 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11971 gameInfo.resultDetails);
11973 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11980 /* Save the current game to open file f and close the file */
11982 SaveGame(f, dummy, dummy2)
11987 if (gameMode == EditPosition) EditPositionDone(TRUE);
11988 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11989 if (appData.oldSaveStyle)
11990 return SaveGameOldStyle(f);
11992 return SaveGamePGN(f);
11995 /* Save the current position to the given file */
11997 SavePositionToFile(filename)
12003 if (strcmp(filename, "-") == 0) {
12004 return SavePosition(stdout, 0, NULL);
12006 f = fopen(filename, "a");
12008 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12009 DisplayError(buf, errno);
12012 safeStrCpy(buf, lastMsg, MSG_SIZ);
12013 DisplayMessage(_("Waiting for access to save file"), "");
12014 flock(fileno(f), LOCK_EX); // [HGM] lock
12015 DisplayMessage(_("Saving position"), "");
12016 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12017 SavePosition(f, 0, NULL);
12018 DisplayMessage(buf, "");
12024 /* Save the current position to the given open file and close the file */
12026 SavePosition(f, dummy, dummy2)
12034 if (gameMode == EditPosition) EditPositionDone(TRUE);
12035 if (appData.oldSaveStyle) {
12036 tm = time((time_t *) NULL);
12038 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12040 fprintf(f, "[--------------\n");
12041 PrintPosition(f, currentMove);
12042 fprintf(f, "--------------]\n");
12044 fen = PositionToFEN(currentMove, NULL);
12045 fprintf(f, "%s\n", fen);
12053 ReloadCmailMsgEvent(unregister)
12057 static char *inFilename = NULL;
12058 static char *outFilename;
12060 struct stat inbuf, outbuf;
12063 /* Any registered moves are unregistered if unregister is set, */
12064 /* i.e. invoked by the signal handler */
12066 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12067 cmailMoveRegistered[i] = FALSE;
12068 if (cmailCommentList[i] != NULL) {
12069 free(cmailCommentList[i]);
12070 cmailCommentList[i] = NULL;
12073 nCmailMovesRegistered = 0;
12076 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12077 cmailResult[i] = CMAIL_NOT_RESULT;
12081 if (inFilename == NULL) {
12082 /* Because the filenames are static they only get malloced once */
12083 /* and they never get freed */
12084 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12085 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12087 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12088 sprintf(outFilename, "%s.out", appData.cmailGameName);
12091 status = stat(outFilename, &outbuf);
12093 cmailMailedMove = FALSE;
12095 status = stat(inFilename, &inbuf);
12096 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12099 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12100 counts the games, notes how each one terminated, etc.
12102 It would be nice to remove this kludge and instead gather all
12103 the information while building the game list. (And to keep it
12104 in the game list nodes instead of having a bunch of fixed-size
12105 parallel arrays.) Note this will require getting each game's
12106 termination from the PGN tags, as the game list builder does
12107 not process the game moves. --mann
12109 cmailMsgLoaded = TRUE;
12110 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12112 /* Load first game in the file or popup game menu */
12113 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12115 #endif /* !WIN32 */
12123 char string[MSG_SIZ];
12125 if ( cmailMailedMove
12126 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12127 return TRUE; /* Allow free viewing */
12130 /* Unregister move to ensure that we don't leave RegisterMove */
12131 /* with the move registered when the conditions for registering no */
12133 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12134 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12135 nCmailMovesRegistered --;
12137 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12139 free(cmailCommentList[lastLoadGameNumber - 1]);
12140 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12144 if (cmailOldMove == -1) {
12145 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12149 if (currentMove > cmailOldMove + 1) {
12150 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12154 if (currentMove < cmailOldMove) {
12155 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12159 if (forwardMostMove > currentMove) {
12160 /* Silently truncate extra moves */
12164 if ( (currentMove == cmailOldMove + 1)
12165 || ( (currentMove == cmailOldMove)
12166 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12167 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12168 if (gameInfo.result != GameUnfinished) {
12169 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12172 if (commentList[currentMove] != NULL) {
12173 cmailCommentList[lastLoadGameNumber - 1]
12174 = StrSave(commentList[currentMove]);
12176 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12178 if (appData.debugMode)
12179 fprintf(debugFP, "Saving %s for game %d\n",
12180 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12182 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12184 f = fopen(string, "w");
12185 if (appData.oldSaveStyle) {
12186 SaveGameOldStyle(f); /* also closes the file */
12188 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12189 f = fopen(string, "w");
12190 SavePosition(f, 0, NULL); /* also closes the file */
12192 fprintf(f, "{--------------\n");
12193 PrintPosition(f, currentMove);
12194 fprintf(f, "--------------}\n\n");
12196 SaveGame(f, 0, NULL); /* also closes the file*/
12199 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12200 nCmailMovesRegistered ++;
12201 } else if (nCmailGames == 1) {
12202 DisplayError(_("You have not made a move yet"), 0);
12213 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12214 FILE *commandOutput;
12215 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12216 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12222 if (! cmailMsgLoaded) {
12223 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12227 if (nCmailGames == nCmailResults) {
12228 DisplayError(_("No unfinished games"), 0);
12232 #if CMAIL_PROHIBIT_REMAIL
12233 if (cmailMailedMove) {
12234 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);
12235 DisplayError(msg, 0);
12240 if (! (cmailMailedMove || RegisterMove())) return;
12242 if ( cmailMailedMove
12243 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12244 snprintf(string, MSG_SIZ, partCommandString,
12245 appData.debugMode ? " -v" : "", appData.cmailGameName);
12246 commandOutput = popen(string, "r");
12248 if (commandOutput == NULL) {
12249 DisplayError(_("Failed to invoke cmail"), 0);
12251 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12252 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12254 if (nBuffers > 1) {
12255 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12256 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12257 nBytes = MSG_SIZ - 1;
12259 (void) memcpy(msg, buffer, nBytes);
12261 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12263 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12264 cmailMailedMove = TRUE; /* Prevent >1 moves */
12267 for (i = 0; i < nCmailGames; i ++) {
12268 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12273 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12275 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12277 appData.cmailGameName,
12279 LoadGameFromFile(buffer, 1, buffer, FALSE);
12280 cmailMsgLoaded = FALSE;
12284 DisplayInformation(msg);
12285 pclose(commandOutput);
12288 if ((*cmailMsg) != '\0') {
12289 DisplayInformation(cmailMsg);
12294 #endif /* !WIN32 */
12303 int prependComma = 0;
12305 char string[MSG_SIZ]; /* Space for game-list */
12308 if (!cmailMsgLoaded) return "";
12310 if (cmailMailedMove) {
12311 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12313 /* Create a list of games left */
12314 snprintf(string, MSG_SIZ, "[");
12315 for (i = 0; i < nCmailGames; i ++) {
12316 if (! ( cmailMoveRegistered[i]
12317 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12318 if (prependComma) {
12319 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12321 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12325 strcat(string, number);
12328 strcat(string, "]");
12330 if (nCmailMovesRegistered + nCmailResults == 0) {
12331 switch (nCmailGames) {
12333 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12337 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12341 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12346 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12348 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12353 if (nCmailResults == nCmailGames) {
12354 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12356 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12361 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12373 if (gameMode == Training)
12374 SetTrainingModeOff();
12377 cmailMsgLoaded = FALSE;
12378 if (appData.icsActive) {
12379 SendToICS(ics_prefix);
12380 SendToICS("refresh\n");
12390 /* Give up on clean exit */
12394 /* Keep trying for clean exit */
12398 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12400 if (telnetISR != NULL) {
12401 RemoveInputSource(telnetISR);
12403 if (icsPR != NoProc) {
12404 DestroyChildProcess(icsPR, TRUE);
12407 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12408 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12410 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12411 /* make sure this other one finishes before killing it! */
12412 if(endingGame) { int count = 0;
12413 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12414 while(endingGame && count++ < 10) DoSleep(1);
12415 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12418 /* Kill off chess programs */
12419 if (first.pr != NoProc) {
12422 DoSleep( appData.delayBeforeQuit );
12423 SendToProgram("quit\n", &first);
12424 DoSleep( appData.delayAfterQuit );
12425 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12427 if (second.pr != NoProc) {
12428 DoSleep( appData.delayBeforeQuit );
12429 SendToProgram("quit\n", &second);
12430 DoSleep( appData.delayAfterQuit );
12431 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12433 if (first.isr != NULL) {
12434 RemoveInputSource(first.isr);
12436 if (second.isr != NULL) {
12437 RemoveInputSource(second.isr);
12440 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12441 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12443 ShutDownFrontEnd();
12450 if (appData.debugMode)
12451 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12455 if (gameMode == MachinePlaysWhite ||
12456 gameMode == MachinePlaysBlack) {
12459 DisplayBothClocks();
12461 if (gameMode == PlayFromGameFile) {
12462 if (appData.timeDelay >= 0)
12463 AutoPlayGameLoop();
12464 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12465 Reset(FALSE, TRUE);
12466 SendToICS(ics_prefix);
12467 SendToICS("refresh\n");
12468 } else if (currentMove < forwardMostMove) {
12469 ForwardInner(forwardMostMove);
12471 pauseExamInvalid = FALSE;
12473 switch (gameMode) {
12477 pauseExamForwardMostMove = forwardMostMove;
12478 pauseExamInvalid = FALSE;
12481 case IcsPlayingWhite:
12482 case IcsPlayingBlack:
12486 case PlayFromGameFile:
12487 (void) StopLoadGameTimer();
12491 case BeginningOfGame:
12492 if (appData.icsActive) return;
12493 /* else fall through */
12494 case MachinePlaysWhite:
12495 case MachinePlaysBlack:
12496 case TwoMachinesPlay:
12497 if (forwardMostMove == 0)
12498 return; /* don't pause if no one has moved */
12499 if ((gameMode == MachinePlaysWhite &&
12500 !WhiteOnMove(forwardMostMove)) ||
12501 (gameMode == MachinePlaysBlack &&
12502 WhiteOnMove(forwardMostMove))) {
12515 char title[MSG_SIZ];
12517 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12518 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12520 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12521 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12522 parseList[currentMove - 1]);
12525 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12532 char *tags = PGNTags(&gameInfo);
12534 EditTagsPopUp(tags, NULL);
12541 if (appData.noChessProgram || gameMode == AnalyzeMode)
12544 if (gameMode != AnalyzeFile) {
12545 if (!appData.icsEngineAnalyze) {
12547 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 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12561 StartAnalysisClock();
12562 GetTimeMark(&lastNodeCountTime);
12569 if (appData.noChessProgram || gameMode == AnalyzeFile)
12572 if (gameMode != AnalyzeMode) {
12574 if (gameMode != EditGame) return;
12575 ResurrectChessProgram();
12576 SendToProgram("analyze\n", &first);
12577 first.analyzing = TRUE;
12578 /*first.maybeThinking = TRUE;*/
12579 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12580 EngineOutputPopUp();
12582 gameMode = AnalyzeFile;
12587 StartAnalysisClock();
12588 GetTimeMark(&lastNodeCountTime);
12593 MachineWhiteEvent()
12596 char *bookHit = NULL;
12598 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12602 if (gameMode == PlayFromGameFile ||
12603 gameMode == TwoMachinesPlay ||
12604 gameMode == Training ||
12605 gameMode == AnalyzeMode ||
12606 gameMode == EndOfGame)
12609 if (gameMode == EditPosition)
12610 EditPositionDone(TRUE);
12612 if (!WhiteOnMove(currentMove)) {
12613 DisplayError(_("It is not White's turn"), 0);
12617 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12620 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12621 gameMode == AnalyzeFile)
12624 ResurrectChessProgram(); /* in case it isn't running */
12625 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12626 gameMode = MachinePlaysWhite;
12629 gameMode = MachinePlaysWhite;
12633 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12635 if (first.sendName) {
12636 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12637 SendToProgram(buf, &first);
12639 if (first.sendTime) {
12640 if (first.useColors) {
12641 SendToProgram("black\n", &first); /*gnu kludge*/
12643 SendTimeRemaining(&first, TRUE);
12645 if (first.useColors) {
12646 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12648 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12649 SetMachineThinkingEnables();
12650 first.maybeThinking = TRUE;
12654 if (appData.autoFlipView && !flipView) {
12655 flipView = !flipView;
12656 DrawPosition(FALSE, NULL);
12657 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12660 if(bookHit) { // [HGM] book: simulate book reply
12661 static char bookMove[MSG_SIZ]; // a bit generous?
12663 programStats.nodes = programStats.depth = programStats.time =
12664 programStats.score = programStats.got_only_move = 0;
12665 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12667 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12668 strcat(bookMove, bookHit);
12669 HandleMachineMove(bookMove, &first);
12674 MachineBlackEvent()
12677 char *bookHit = NULL;
12679 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12683 if (gameMode == PlayFromGameFile ||
12684 gameMode == TwoMachinesPlay ||
12685 gameMode == Training ||
12686 gameMode == AnalyzeMode ||
12687 gameMode == EndOfGame)
12690 if (gameMode == EditPosition)
12691 EditPositionDone(TRUE);
12693 if (WhiteOnMove(currentMove)) {
12694 DisplayError(_("It is not Black's turn"), 0);
12698 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12701 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12702 gameMode == AnalyzeFile)
12705 ResurrectChessProgram(); /* in case it isn't running */
12706 gameMode = MachinePlaysBlack;
12710 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12712 if (first.sendName) {
12713 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12714 SendToProgram(buf, &first);
12716 if (first.sendTime) {
12717 if (first.useColors) {
12718 SendToProgram("white\n", &first); /*gnu kludge*/
12720 SendTimeRemaining(&first, FALSE);
12722 if (first.useColors) {
12723 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12725 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12726 SetMachineThinkingEnables();
12727 first.maybeThinking = TRUE;
12730 if (appData.autoFlipView && flipView) {
12731 flipView = !flipView;
12732 DrawPosition(FALSE, NULL);
12733 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12735 if(bookHit) { // [HGM] book: simulate book reply
12736 static char bookMove[MSG_SIZ]; // a bit generous?
12738 programStats.nodes = programStats.depth = programStats.time =
12739 programStats.score = programStats.got_only_move = 0;
12740 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12742 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12743 strcat(bookMove, bookHit);
12744 HandleMachineMove(bookMove, &first);
12750 DisplayTwoMachinesTitle()
12753 if (appData.matchGames > 0) {
12754 if(appData.tourneyFile[0]) {
12755 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
12756 gameInfo.white, gameInfo.black,
12757 nextGame+1, appData.matchGames+1,
12758 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
12760 if (first.twoMachinesColor[0] == 'w') {
12761 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12762 gameInfo.white, gameInfo.black,
12763 first.matchWins, second.matchWins,
12764 matchGame - 1 - (first.matchWins + second.matchWins));
12766 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12767 gameInfo.white, gameInfo.black,
12768 second.matchWins, first.matchWins,
12769 matchGame - 1 - (first.matchWins + second.matchWins));
12772 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12778 SettingsMenuIfReady()
12780 if (second.lastPing != second.lastPong) {
12781 DisplayMessage("", _("Waiting for second chess program"));
12782 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12786 DisplayMessage("", "");
12787 SettingsPopUp(&second);
12791 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12794 if (cps->pr == NULL) {
12795 StartChessProgram(cps);
12796 if (cps->protocolVersion == 1) {
12799 /* kludge: allow timeout for initial "feature" command */
12801 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12802 DisplayMessage("", buf);
12803 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12811 TwoMachinesEvent P((void))
12815 ChessProgramState *onmove;
12816 char *bookHit = NULL;
12817 static int stalling = 0;
12821 if (appData.noChessProgram) return;
12823 switch (gameMode) {
12824 case TwoMachinesPlay:
12826 case MachinePlaysWhite:
12827 case MachinePlaysBlack:
12828 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12829 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12833 case BeginningOfGame:
12834 case PlayFromGameFile:
12837 if (gameMode != EditGame) return;
12840 EditPositionDone(TRUE);
12851 // forwardMostMove = currentMove;
12852 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12854 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12856 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12857 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12858 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12862 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12863 SendToProgram("force\n", &second);
12865 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12868 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12869 if(appData.matchPause>10000 || appData.matchPause<10)
12870 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12871 wait = SubtractTimeMarks(&now, &pauseStart);
12872 if(wait < appData.matchPause) {
12873 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12877 DisplayMessage("", "");
12878 if (startedFromSetupPosition) {
12879 SendBoard(&second, backwardMostMove);
12880 if (appData.debugMode) {
12881 fprintf(debugFP, "Two Machines\n");
12884 for (i = backwardMostMove; i < forwardMostMove; i++) {
12885 SendMoveToProgram(i, &second);
12888 gameMode = TwoMachinesPlay;
12890 ModeHighlight(); // [HGM] logo: this triggers display update of logos
12892 DisplayTwoMachinesTitle();
12894 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12899 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12900 SendToProgram(first.computerString, &first);
12901 if (first.sendName) {
12902 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12903 SendToProgram(buf, &first);
12905 SendToProgram(second.computerString, &second);
12906 if (second.sendName) {
12907 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12908 SendToProgram(buf, &second);
12912 if (!first.sendTime || !second.sendTime) {
12913 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12914 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12916 if (onmove->sendTime) {
12917 if (onmove->useColors) {
12918 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12920 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12922 if (onmove->useColors) {
12923 SendToProgram(onmove->twoMachinesColor, onmove);
12925 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12926 // SendToProgram("go\n", onmove);
12927 onmove->maybeThinking = TRUE;
12928 SetMachineThinkingEnables();
12932 if(bookHit) { // [HGM] book: simulate book reply
12933 static char bookMove[MSG_SIZ]; // a bit generous?
12935 programStats.nodes = programStats.depth = programStats.time =
12936 programStats.score = programStats.got_only_move = 0;
12937 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12939 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12940 strcat(bookMove, bookHit);
12941 savedMessage = bookMove; // args for deferred call
12942 savedState = onmove;
12943 ScheduleDelayedEvent(DeferredBookMove, 1);
12950 if (gameMode == Training) {
12951 SetTrainingModeOff();
12952 gameMode = PlayFromGameFile;
12953 DisplayMessage("", _("Training mode off"));
12955 gameMode = Training;
12956 animateTraining = appData.animate;
12958 /* make sure we are not already at the end of the game */
12959 if (currentMove < forwardMostMove) {
12960 SetTrainingModeOn();
12961 DisplayMessage("", _("Training mode on"));
12963 gameMode = PlayFromGameFile;
12964 DisplayError(_("Already at end of game"), 0);
12973 if (!appData.icsActive) return;
12974 switch (gameMode) {
12975 case IcsPlayingWhite:
12976 case IcsPlayingBlack:
12979 case BeginningOfGame:
12987 EditPositionDone(TRUE);
13000 gameMode = IcsIdle;
13011 switch (gameMode) {
13013 SetTrainingModeOff();
13015 case MachinePlaysWhite:
13016 case MachinePlaysBlack:
13017 case BeginningOfGame:
13018 SendToProgram("force\n", &first);
13019 SetUserThinkingEnables();
13021 case PlayFromGameFile:
13022 (void) StopLoadGameTimer();
13023 if (gameFileFP != NULL) {
13028 EditPositionDone(TRUE);
13033 SendToProgram("force\n", &first);
13035 case TwoMachinesPlay:
13036 GameEnds(EndOfFile, NULL, GE_PLAYER);
13037 ResurrectChessProgram();
13038 SetUserThinkingEnables();
13041 ResurrectChessProgram();
13043 case IcsPlayingBlack:
13044 case IcsPlayingWhite:
13045 DisplayError(_("Warning: You are still playing a game"), 0);
13048 DisplayError(_("Warning: You are still observing a game"), 0);
13051 DisplayError(_("Warning: You are still examining a game"), 0);
13062 first.offeredDraw = second.offeredDraw = 0;
13064 if (gameMode == PlayFromGameFile) {
13065 whiteTimeRemaining = timeRemaining[0][currentMove];
13066 blackTimeRemaining = timeRemaining[1][currentMove];
13070 if (gameMode == MachinePlaysWhite ||
13071 gameMode == MachinePlaysBlack ||
13072 gameMode == TwoMachinesPlay ||
13073 gameMode == EndOfGame) {
13074 i = forwardMostMove;
13075 while (i > currentMove) {
13076 SendToProgram("undo\n", &first);
13079 whiteTimeRemaining = timeRemaining[0][currentMove];
13080 blackTimeRemaining = timeRemaining[1][currentMove];
13081 DisplayBothClocks();
13082 if (whiteFlag || blackFlag) {
13083 whiteFlag = blackFlag = 0;
13088 gameMode = EditGame;
13095 EditPositionEvent()
13097 if (gameMode == EditPosition) {
13103 if (gameMode != EditGame) return;
13105 gameMode = EditPosition;
13108 if (currentMove > 0)
13109 CopyBoard(boards[0], boards[currentMove]);
13111 blackPlaysFirst = !WhiteOnMove(currentMove);
13113 currentMove = forwardMostMove = backwardMostMove = 0;
13114 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13121 /* [DM] icsEngineAnalyze - possible call from other functions */
13122 if (appData.icsEngineAnalyze) {
13123 appData.icsEngineAnalyze = FALSE;
13125 DisplayMessage("",_("Close ICS engine analyze..."));
13127 if (first.analysisSupport && first.analyzing) {
13128 SendToProgram("exit\n", &first);
13129 first.analyzing = FALSE;
13131 thinkOutput[0] = NULLCHAR;
13135 EditPositionDone(Boolean fakeRights)
13137 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13139 startedFromSetupPosition = TRUE;
13140 InitChessProgram(&first, FALSE);
13141 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13142 boards[0][EP_STATUS] = EP_NONE;
13143 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13144 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13145 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13146 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13147 } else boards[0][CASTLING][2] = NoRights;
13148 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13149 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13150 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13151 } else boards[0][CASTLING][5] = NoRights;
13153 SendToProgram("force\n", &first);
13154 if (blackPlaysFirst) {
13155 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13156 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13157 currentMove = forwardMostMove = backwardMostMove = 1;
13158 CopyBoard(boards[1], boards[0]);
13160 currentMove = forwardMostMove = backwardMostMove = 0;
13162 SendBoard(&first, forwardMostMove);
13163 if (appData.debugMode) {
13164 fprintf(debugFP, "EditPosDone\n");
13167 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13168 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13169 gameMode = EditGame;
13171 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13172 ClearHighlights(); /* [AS] */
13175 /* Pause for `ms' milliseconds */
13176 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13186 } while (SubtractTimeMarks(&m2, &m1) < ms);
13189 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13191 SendMultiLineToICS(buf)
13194 char temp[MSG_SIZ+1], *p;
13201 strncpy(temp, buf, len);
13206 if (*p == '\n' || *p == '\r')
13211 strcat(temp, "\n");
13213 SendToPlayer(temp, strlen(temp));
13217 SetWhiteToPlayEvent()
13219 if (gameMode == EditPosition) {
13220 blackPlaysFirst = FALSE;
13221 DisplayBothClocks(); /* works because currentMove is 0 */
13222 } else if (gameMode == IcsExamining) {
13223 SendToICS(ics_prefix);
13224 SendToICS("tomove white\n");
13229 SetBlackToPlayEvent()
13231 if (gameMode == EditPosition) {
13232 blackPlaysFirst = TRUE;
13233 currentMove = 1; /* kludge */
13234 DisplayBothClocks();
13236 } else if (gameMode == IcsExamining) {
13237 SendToICS(ics_prefix);
13238 SendToICS("tomove black\n");
13243 EditPositionMenuEvent(selection, x, y)
13244 ChessSquare selection;
13248 ChessSquare piece = boards[0][y][x];
13250 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13252 switch (selection) {
13254 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13255 SendToICS(ics_prefix);
13256 SendToICS("bsetup clear\n");
13257 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13258 SendToICS(ics_prefix);
13259 SendToICS("clearboard\n");
13261 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13262 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13263 for (y = 0; y < BOARD_HEIGHT; y++) {
13264 if (gameMode == IcsExamining) {
13265 if (boards[currentMove][y][x] != EmptySquare) {
13266 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13271 boards[0][y][x] = p;
13276 if (gameMode == EditPosition) {
13277 DrawPosition(FALSE, boards[0]);
13282 SetWhiteToPlayEvent();
13286 SetBlackToPlayEvent();
13290 if (gameMode == IcsExamining) {
13291 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13292 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13295 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13296 if(x == BOARD_LEFT-2) {
13297 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13298 boards[0][y][1] = 0;
13300 if(x == BOARD_RGHT+1) {
13301 if(y >= gameInfo.holdingsSize) break;
13302 boards[0][y][BOARD_WIDTH-2] = 0;
13305 boards[0][y][x] = EmptySquare;
13306 DrawPosition(FALSE, boards[0]);
13311 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13312 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13313 selection = (ChessSquare) (PROMOTED piece);
13314 } else if(piece == EmptySquare) selection = WhiteSilver;
13315 else selection = (ChessSquare)((int)piece - 1);
13319 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13320 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13321 selection = (ChessSquare) (DEMOTED piece);
13322 } else if(piece == EmptySquare) selection = BlackSilver;
13323 else selection = (ChessSquare)((int)piece + 1);
13328 if(gameInfo.variant == VariantShatranj ||
13329 gameInfo.variant == VariantXiangqi ||
13330 gameInfo.variant == VariantCourier ||
13331 gameInfo.variant == VariantMakruk )
13332 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13337 if(gameInfo.variant == VariantXiangqi)
13338 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13339 if(gameInfo.variant == VariantKnightmate)
13340 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13343 if (gameMode == IcsExamining) {
13344 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13345 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13346 PieceToChar(selection), AAA + x, ONE + y);
13349 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13351 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13352 n = PieceToNumber(selection - BlackPawn);
13353 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13354 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13355 boards[0][BOARD_HEIGHT-1-n][1]++;
13357 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13358 n = PieceToNumber(selection);
13359 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13360 boards[0][n][BOARD_WIDTH-1] = selection;
13361 boards[0][n][BOARD_WIDTH-2]++;
13364 boards[0][y][x] = selection;
13365 DrawPosition(TRUE, boards[0]);
13373 DropMenuEvent(selection, x, y)
13374 ChessSquare selection;
13377 ChessMove moveType;
13379 switch (gameMode) {
13380 case IcsPlayingWhite:
13381 case MachinePlaysBlack:
13382 if (!WhiteOnMove(currentMove)) {
13383 DisplayMoveError(_("It is Black's turn"));
13386 moveType = WhiteDrop;
13388 case IcsPlayingBlack:
13389 case MachinePlaysWhite:
13390 if (WhiteOnMove(currentMove)) {
13391 DisplayMoveError(_("It is White's turn"));
13394 moveType = BlackDrop;
13397 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13403 if (moveType == BlackDrop && selection < BlackPawn) {
13404 selection = (ChessSquare) ((int) selection
13405 + (int) BlackPawn - (int) WhitePawn);
13407 if (boards[currentMove][y][x] != EmptySquare) {
13408 DisplayMoveError(_("That square is occupied"));
13412 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13418 /* Accept a pending offer of any kind from opponent */
13420 if (appData.icsActive) {
13421 SendToICS(ics_prefix);
13422 SendToICS("accept\n");
13423 } else if (cmailMsgLoaded) {
13424 if (currentMove == cmailOldMove &&
13425 commentList[cmailOldMove] != NULL &&
13426 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13427 "Black offers a draw" : "White offers a draw")) {
13429 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13430 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13432 DisplayError(_("There is no pending offer on this move"), 0);
13433 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13436 /* Not used for offers from chess program */
13443 /* Decline a pending offer of any kind from opponent */
13445 if (appData.icsActive) {
13446 SendToICS(ics_prefix);
13447 SendToICS("decline\n");
13448 } else if (cmailMsgLoaded) {
13449 if (currentMove == cmailOldMove &&
13450 commentList[cmailOldMove] != NULL &&
13451 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13452 "Black offers a draw" : "White offers a draw")) {
13454 AppendComment(cmailOldMove, "Draw declined", TRUE);
13455 DisplayComment(cmailOldMove - 1, "Draw declined");
13458 DisplayError(_("There is no pending offer on this move"), 0);
13461 /* Not used for offers from chess program */
13468 /* Issue ICS rematch command */
13469 if (appData.icsActive) {
13470 SendToICS(ics_prefix);
13471 SendToICS("rematch\n");
13478 /* Call your opponent's flag (claim a win on time) */
13479 if (appData.icsActive) {
13480 SendToICS(ics_prefix);
13481 SendToICS("flag\n");
13483 switch (gameMode) {
13486 case MachinePlaysWhite:
13489 GameEnds(GameIsDrawn, "Both players ran out of time",
13492 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13494 DisplayError(_("Your opponent is not out of time"), 0);
13497 case MachinePlaysBlack:
13500 GameEnds(GameIsDrawn, "Both players ran out of time",
13503 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13505 DisplayError(_("Your opponent is not out of time"), 0);
13513 ClockClick(int which)
13514 { // [HGM] code moved to back-end from winboard.c
13515 if(which) { // black clock
13516 if (gameMode == EditPosition || gameMode == IcsExamining) {
13517 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13518 SetBlackToPlayEvent();
13519 } else if (gameMode == EditGame || shiftKey) {
13520 AdjustClock(which, -1);
13521 } else if (gameMode == IcsPlayingWhite ||
13522 gameMode == MachinePlaysBlack) {
13525 } else { // white clock
13526 if (gameMode == EditPosition || gameMode == IcsExamining) {
13527 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13528 SetWhiteToPlayEvent();
13529 } else if (gameMode == EditGame || shiftKey) {
13530 AdjustClock(which, -1);
13531 } else if (gameMode == IcsPlayingBlack ||
13532 gameMode == MachinePlaysWhite) {
13541 /* Offer draw or accept pending draw offer from opponent */
13543 if (appData.icsActive) {
13544 /* Note: tournament rules require draw offers to be
13545 made after you make your move but before you punch
13546 your clock. Currently ICS doesn't let you do that;
13547 instead, you immediately punch your clock after making
13548 a move, but you can offer a draw at any time. */
13550 SendToICS(ics_prefix);
13551 SendToICS("draw\n");
13552 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13553 } else if (cmailMsgLoaded) {
13554 if (currentMove == cmailOldMove &&
13555 commentList[cmailOldMove] != NULL &&
13556 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13557 "Black offers a draw" : "White offers a draw")) {
13558 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13559 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13560 } else if (currentMove == cmailOldMove + 1) {
13561 char *offer = WhiteOnMove(cmailOldMove) ?
13562 "White offers a draw" : "Black offers a draw";
13563 AppendComment(currentMove, offer, TRUE);
13564 DisplayComment(currentMove - 1, offer);
13565 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13567 DisplayError(_("You must make your move before offering a draw"), 0);
13568 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13570 } else if (first.offeredDraw) {
13571 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13573 if (first.sendDrawOffers) {
13574 SendToProgram("draw\n", &first);
13575 userOfferedDraw = TRUE;
13583 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13585 if (appData.icsActive) {
13586 SendToICS(ics_prefix);
13587 SendToICS("adjourn\n");
13589 /* Currently GNU Chess doesn't offer or accept Adjourns */
13597 /* Offer Abort or accept pending Abort offer from opponent */
13599 if (appData.icsActive) {
13600 SendToICS(ics_prefix);
13601 SendToICS("abort\n");
13603 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13610 /* Resign. You can do this even if it's not your turn. */
13612 if (appData.icsActive) {
13613 SendToICS(ics_prefix);
13614 SendToICS("resign\n");
13616 switch (gameMode) {
13617 case MachinePlaysWhite:
13618 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13620 case MachinePlaysBlack:
13621 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13624 if (cmailMsgLoaded) {
13626 if (WhiteOnMove(cmailOldMove)) {
13627 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13629 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13631 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13642 StopObservingEvent()
13644 /* Stop observing current games */
13645 SendToICS(ics_prefix);
13646 SendToICS("unobserve\n");
13650 StopExaminingEvent()
13652 /* Stop observing current game */
13653 SendToICS(ics_prefix);
13654 SendToICS("unexamine\n");
13658 ForwardInner(target)
13663 if (appData.debugMode)
13664 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13665 target, currentMove, forwardMostMove);
13667 if (gameMode == EditPosition)
13670 if (gameMode == PlayFromGameFile && !pausing)
13673 if (gameMode == IcsExamining && pausing)
13674 limit = pauseExamForwardMostMove;
13676 limit = forwardMostMove;
13678 if (target > limit) target = limit;
13680 if (target > 0 && moveList[target - 1][0]) {
13681 int fromX, fromY, toX, toY;
13682 toX = moveList[target - 1][2] - AAA;
13683 toY = moveList[target - 1][3] - ONE;
13684 if (moveList[target - 1][1] == '@') {
13685 if (appData.highlightLastMove) {
13686 SetHighlights(-1, -1, toX, toY);
13689 fromX = moveList[target - 1][0] - AAA;
13690 fromY = moveList[target - 1][1] - ONE;
13691 if (target == currentMove + 1) {
13692 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13694 if (appData.highlightLastMove) {
13695 SetHighlights(fromX, fromY, toX, toY);
13699 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13700 gameMode == Training || gameMode == PlayFromGameFile ||
13701 gameMode == AnalyzeFile) {
13702 while (currentMove < target) {
13703 SendMoveToProgram(currentMove++, &first);
13706 currentMove = target;
13709 if (gameMode == EditGame || gameMode == EndOfGame) {
13710 whiteTimeRemaining = timeRemaining[0][currentMove];
13711 blackTimeRemaining = timeRemaining[1][currentMove];
13713 DisplayBothClocks();
13714 DisplayMove(currentMove - 1);
13715 DrawPosition(FALSE, boards[currentMove]);
13716 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13717 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13718 DisplayComment(currentMove - 1, commentList[currentMove]);
13720 DisplayBook(currentMove);
13727 if (gameMode == IcsExamining && !pausing) {
13728 SendToICS(ics_prefix);
13729 SendToICS("forward\n");
13731 ForwardInner(currentMove + 1);
13738 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13739 /* to optimze, we temporarily turn off analysis mode while we feed
13740 * the remaining moves to the engine. Otherwise we get analysis output
13743 if (first.analysisSupport) {
13744 SendToProgram("exit\nforce\n", &first);
13745 first.analyzing = FALSE;
13749 if (gameMode == IcsExamining && !pausing) {
13750 SendToICS(ics_prefix);
13751 SendToICS("forward 999999\n");
13753 ForwardInner(forwardMostMove);
13756 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13757 /* we have fed all the moves, so reactivate analysis mode */
13758 SendToProgram("analyze\n", &first);
13759 first.analyzing = TRUE;
13760 /*first.maybeThinking = TRUE;*/
13761 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13766 BackwardInner(target)
13769 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13771 if (appData.debugMode)
13772 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13773 target, currentMove, forwardMostMove);
13775 if (gameMode == EditPosition) return;
13776 if (currentMove <= backwardMostMove) {
13778 DrawPosition(full_redraw, boards[currentMove]);
13781 if (gameMode == PlayFromGameFile && !pausing)
13784 if (moveList[target][0]) {
13785 int fromX, fromY, toX, toY;
13786 toX = moveList[target][2] - AAA;
13787 toY = moveList[target][3] - ONE;
13788 if (moveList[target][1] == '@') {
13789 if (appData.highlightLastMove) {
13790 SetHighlights(-1, -1, toX, toY);
13793 fromX = moveList[target][0] - AAA;
13794 fromY = moveList[target][1] - ONE;
13795 if (target == currentMove - 1) {
13796 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13798 if (appData.highlightLastMove) {
13799 SetHighlights(fromX, fromY, toX, toY);
13803 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13804 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13805 while (currentMove > target) {
13806 SendToProgram("undo\n", &first);
13810 currentMove = target;
13813 if (gameMode == EditGame || gameMode == EndOfGame) {
13814 whiteTimeRemaining = timeRemaining[0][currentMove];
13815 blackTimeRemaining = timeRemaining[1][currentMove];
13817 DisplayBothClocks();
13818 DisplayMove(currentMove - 1);
13819 DrawPosition(full_redraw, boards[currentMove]);
13820 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13821 // [HGM] PV info: routine tests if comment empty
13822 DisplayComment(currentMove - 1, commentList[currentMove]);
13823 DisplayBook(currentMove);
13829 if (gameMode == IcsExamining && !pausing) {
13830 SendToICS(ics_prefix);
13831 SendToICS("backward\n");
13833 BackwardInner(currentMove - 1);
13840 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13841 /* to optimize, we temporarily turn off analysis mode while we undo
13842 * all the moves. Otherwise we get analysis output after each undo.
13844 if (first.analysisSupport) {
13845 SendToProgram("exit\nforce\n", &first);
13846 first.analyzing = FALSE;
13850 if (gameMode == IcsExamining && !pausing) {
13851 SendToICS(ics_prefix);
13852 SendToICS("backward 999999\n");
13854 BackwardInner(backwardMostMove);
13857 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13858 /* we have fed all the moves, so reactivate analysis mode */
13859 SendToProgram("analyze\n", &first);
13860 first.analyzing = TRUE;
13861 /*first.maybeThinking = TRUE;*/
13862 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13869 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13870 if (to >= forwardMostMove) to = forwardMostMove;
13871 if (to <= backwardMostMove) to = backwardMostMove;
13872 if (to < currentMove) {
13880 RevertEvent(Boolean annotate)
13882 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13885 if (gameMode != IcsExamining) {
13886 DisplayError(_("You are not examining a game"), 0);
13890 DisplayError(_("You can't revert while pausing"), 0);
13893 SendToICS(ics_prefix);
13894 SendToICS("revert\n");
13900 switch (gameMode) {
13901 case MachinePlaysWhite:
13902 case MachinePlaysBlack:
13903 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13904 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13907 if (forwardMostMove < 2) return;
13908 currentMove = forwardMostMove = forwardMostMove - 2;
13909 whiteTimeRemaining = timeRemaining[0][currentMove];
13910 blackTimeRemaining = timeRemaining[1][currentMove];
13911 DisplayBothClocks();
13912 DisplayMove(currentMove - 1);
13913 ClearHighlights();/*!! could figure this out*/
13914 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13915 SendToProgram("remove\n", &first);
13916 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13919 case BeginningOfGame:
13923 case IcsPlayingWhite:
13924 case IcsPlayingBlack:
13925 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13926 SendToICS(ics_prefix);
13927 SendToICS("takeback 2\n");
13929 SendToICS(ics_prefix);
13930 SendToICS("takeback 1\n");
13939 ChessProgramState *cps;
13941 switch (gameMode) {
13942 case MachinePlaysWhite:
13943 if (!WhiteOnMove(forwardMostMove)) {
13944 DisplayError(_("It is your turn"), 0);
13949 case MachinePlaysBlack:
13950 if (WhiteOnMove(forwardMostMove)) {
13951 DisplayError(_("It is your turn"), 0);
13956 case TwoMachinesPlay:
13957 if (WhiteOnMove(forwardMostMove) ==
13958 (first.twoMachinesColor[0] == 'w')) {
13964 case BeginningOfGame:
13968 SendToProgram("?\n", cps);
13972 TruncateGameEvent()
13975 if (gameMode != EditGame) return;
13982 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13983 if (forwardMostMove > currentMove) {
13984 if (gameInfo.resultDetails != NULL) {
13985 free(gameInfo.resultDetails);
13986 gameInfo.resultDetails = NULL;
13987 gameInfo.result = GameUnfinished;
13989 forwardMostMove = currentMove;
13990 HistorySet(parseList, backwardMostMove, forwardMostMove,
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 DisplayError(_("No hint available"), 0);
14017 SendToProgram("hint\n", &first);
14018 hintRequested = TRUE;
14024 if (appData.noChessProgram) return;
14025 switch (gameMode) {
14026 case MachinePlaysWhite:
14027 if (WhiteOnMove(forwardMostMove)) {
14028 DisplayError(_("Wait until your turn"), 0);
14032 case BeginningOfGame:
14033 case MachinePlaysBlack:
14034 if (!WhiteOnMove(forwardMostMove)) {
14035 DisplayError(_("Wait until your turn"), 0);
14040 EditPositionDone(TRUE);
14042 case TwoMachinesPlay:
14047 SendToProgram("bk\n", &first);
14048 bookOutput[0] = NULLCHAR;
14049 bookRequested = TRUE;
14055 char *tags = PGNTags(&gameInfo);
14056 TagsPopUp(tags, CmailMsg());
14060 /* end button procedures */
14063 PrintPosition(fp, move)
14069 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14070 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14071 char c = PieceToChar(boards[move][i][j]);
14072 fputc(c == 'x' ? '.' : c, fp);
14073 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14076 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14077 fprintf(fp, "white to play\n");
14079 fprintf(fp, "black to play\n");
14086 if (gameInfo.white != NULL) {
14087 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14093 /* Find last component of program's own name, using some heuristics */
14095 TidyProgramName(prog, host, buf)
14096 char *prog, *host, buf[MSG_SIZ];
14099 int local = (strcmp(host, "localhost") == 0);
14100 while (!local && (p = strchr(prog, ';')) != NULL) {
14102 while (*p == ' ') p++;
14105 if (*prog == '"' || *prog == '\'') {
14106 q = strchr(prog + 1, *prog);
14108 q = strchr(prog, ' ');
14110 if (q == NULL) q = prog + strlen(prog);
14112 while (p >= prog && *p != '/' && *p != '\\') p--;
14114 if(p == prog && *p == '"') p++;
14115 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14116 memcpy(buf, p, q - p);
14117 buf[q - p] = NULLCHAR;
14125 TimeControlTagValue()
14128 if (!appData.clockMode) {
14129 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14130 } else if (movesPerSession > 0) {
14131 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14132 } else if (timeIncrement == 0) {
14133 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14135 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14137 return StrSave(buf);
14143 /* This routine is used only for certain modes */
14144 VariantClass v = gameInfo.variant;
14145 ChessMove r = GameUnfinished;
14148 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14149 r = gameInfo.result;
14150 p = gameInfo.resultDetails;
14151 gameInfo.resultDetails = NULL;
14153 ClearGameInfo(&gameInfo);
14154 gameInfo.variant = v;
14156 switch (gameMode) {
14157 case MachinePlaysWhite:
14158 gameInfo.event = StrSave( appData.pgnEventHeader );
14159 gameInfo.site = StrSave(HostName());
14160 gameInfo.date = PGNDate();
14161 gameInfo.round = StrSave("-");
14162 gameInfo.white = StrSave(first.tidy);
14163 gameInfo.black = StrSave(UserName());
14164 gameInfo.timeControl = TimeControlTagValue();
14167 case MachinePlaysBlack:
14168 gameInfo.event = StrSave( appData.pgnEventHeader );
14169 gameInfo.site = StrSave(HostName());
14170 gameInfo.date = PGNDate();
14171 gameInfo.round = StrSave("-");
14172 gameInfo.white = StrSave(UserName());
14173 gameInfo.black = StrSave(first.tidy);
14174 gameInfo.timeControl = TimeControlTagValue();
14177 case TwoMachinesPlay:
14178 gameInfo.event = StrSave( appData.pgnEventHeader );
14179 gameInfo.site = StrSave(HostName());
14180 gameInfo.date = PGNDate();
14183 snprintf(buf, MSG_SIZ, "%d", roundNr);
14184 gameInfo.round = StrSave(buf);
14186 gameInfo.round = StrSave("-");
14188 if (first.twoMachinesColor[0] == 'w') {
14189 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14190 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14192 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14193 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14195 gameInfo.timeControl = TimeControlTagValue();
14199 gameInfo.event = StrSave("Edited game");
14200 gameInfo.site = StrSave(HostName());
14201 gameInfo.date = PGNDate();
14202 gameInfo.round = StrSave("-");
14203 gameInfo.white = StrSave("-");
14204 gameInfo.black = StrSave("-");
14205 gameInfo.result = r;
14206 gameInfo.resultDetails = p;
14210 gameInfo.event = StrSave("Edited position");
14211 gameInfo.site = StrSave(HostName());
14212 gameInfo.date = PGNDate();
14213 gameInfo.round = StrSave("-");
14214 gameInfo.white = StrSave("-");
14215 gameInfo.black = StrSave("-");
14218 case IcsPlayingWhite:
14219 case IcsPlayingBlack:
14224 case PlayFromGameFile:
14225 gameInfo.event = StrSave("Game from non-PGN file");
14226 gameInfo.site = StrSave(HostName());
14227 gameInfo.date = PGNDate();
14228 gameInfo.round = StrSave("-");
14229 gameInfo.white = StrSave("?");
14230 gameInfo.black = StrSave("?");
14239 ReplaceComment(index, text)
14247 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14248 pvInfoList[index-1].depth == len &&
14249 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14250 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14251 while (*text == '\n') text++;
14252 len = strlen(text);
14253 while (len > 0 && text[len - 1] == '\n') len--;
14255 if (commentList[index] != NULL)
14256 free(commentList[index]);
14259 commentList[index] = NULL;
14262 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14263 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14264 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14265 commentList[index] = (char *) malloc(len + 2);
14266 strncpy(commentList[index], text, len);
14267 commentList[index][len] = '\n';
14268 commentList[index][len + 1] = NULLCHAR;
14270 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14272 commentList[index] = (char *) malloc(len + 7);
14273 safeStrCpy(commentList[index], "{\n", 3);
14274 safeStrCpy(commentList[index]+2, text, len+1);
14275 commentList[index][len+2] = NULLCHAR;
14276 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14277 strcat(commentList[index], "\n}\n");
14291 if (ch == '\r') continue;
14293 } while (ch != '\0');
14297 AppendComment(index, text, addBraces)
14300 Boolean addBraces; // [HGM] braces: tells if we should add {}
14305 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14306 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14309 while (*text == '\n') text++;
14310 len = strlen(text);
14311 while (len > 0 && text[len - 1] == '\n') len--;
14313 if (len == 0) return;
14315 if (commentList[index] != NULL) {
14316 old = commentList[index];
14317 oldlen = strlen(old);
14318 while(commentList[index][oldlen-1] == '\n')
14319 commentList[index][--oldlen] = NULLCHAR;
14320 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14321 safeStrCpy(commentList[index], old, oldlen + len + 6);
14323 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14324 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14325 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14326 while (*text == '\n') { text++; len--; }
14327 commentList[index][--oldlen] = NULLCHAR;
14329 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14330 else strcat(commentList[index], "\n");
14331 strcat(commentList[index], text);
14332 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14333 else strcat(commentList[index], "\n");
14335 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14337 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14338 else commentList[index][0] = NULLCHAR;
14339 strcat(commentList[index], text);
14340 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14341 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14345 static char * FindStr( char * text, char * sub_text )
14347 char * result = strstr( text, sub_text );
14349 if( result != NULL ) {
14350 result += strlen( sub_text );
14356 /* [AS] Try to extract PV info from PGN comment */
14357 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14358 char *GetInfoFromComment( int index, char * text )
14360 char * sep = text, *p;
14362 if( text != NULL && index > 0 ) {
14365 int time = -1, sec = 0, deci;
14366 char * s_eval = FindStr( text, "[%eval " );
14367 char * s_emt = FindStr( text, "[%emt " );
14369 if( s_eval != NULL || s_emt != NULL ) {
14373 if( s_eval != NULL ) {
14374 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14378 if( delim != ']' ) {
14383 if( s_emt != NULL ) {
14388 /* We expect something like: [+|-]nnn.nn/dd */
14391 if(*text != '{') return text; // [HGM] braces: must be normal comment
14393 sep = strchr( text, '/' );
14394 if( sep == NULL || sep < (text+4) ) {
14399 if(p[1] == '(') { // comment starts with PV
14400 p = strchr(p, ')'); // locate end of PV
14401 if(p == NULL || sep < p+5) return text;
14402 // at this point we have something like "{(.*) +0.23/6 ..."
14403 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14404 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14405 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14407 time = -1; sec = -1; deci = -1;
14408 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14409 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14410 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14411 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14415 if( score_lo < 0 || score_lo >= 100 ) {
14419 if(sec >= 0) time = 600*time + 10*sec; else
14420 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14422 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14424 /* [HGM] PV time: now locate end of PV info */
14425 while( *++sep >= '0' && *sep <= '9'); // strip depth
14427 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14429 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14431 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14432 while(*sep == ' ') sep++;
14443 pvInfoList[index-1].depth = depth;
14444 pvInfoList[index-1].score = score;
14445 pvInfoList[index-1].time = 10*time; // centi-sec
14446 if(*sep == '}') *sep = 0; else *--sep = '{';
14447 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14453 SendToProgram(message, cps)
14455 ChessProgramState *cps;
14457 int count, outCount, error;
14460 if (cps->pr == NULL) return;
14463 if (appData.debugMode) {
14466 fprintf(debugFP, "%ld >%-6s: %s",
14467 SubtractTimeMarks(&now, &programStartTime),
14468 cps->which, message);
14471 count = strlen(message);
14472 outCount = OutputToProcess(cps->pr, message, count, &error);
14473 if (outCount < count && !exiting
14474 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14475 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14476 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14477 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14478 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14479 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14480 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14481 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14483 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14484 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14485 gameInfo.result = res;
14487 gameInfo.resultDetails = StrSave(buf);
14489 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14490 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14495 ReceiveFromProgram(isr, closure, message, count, error)
14496 InputSourceRef isr;
14504 ChessProgramState *cps = (ChessProgramState *)closure;
14506 if (isr != cps->isr) return; /* Killed intentionally */
14509 RemoveInputSource(cps->isr);
14510 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14511 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14512 _(cps->which), cps->program);
14513 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14514 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14515 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14516 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14517 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14519 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14520 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14521 gameInfo.result = res;
14523 gameInfo.resultDetails = StrSave(buf);
14525 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14526 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14528 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14529 _(cps->which), cps->program);
14530 RemoveInputSource(cps->isr);
14532 /* [AS] Program is misbehaving badly... kill it */
14533 if( count == -2 ) {
14534 DestroyChildProcess( cps->pr, 9 );
14538 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14543 if ((end_str = strchr(message, '\r')) != NULL)
14544 *end_str = NULLCHAR;
14545 if ((end_str = strchr(message, '\n')) != NULL)
14546 *end_str = NULLCHAR;
14548 if (appData.debugMode) {
14549 TimeMark now; int print = 1;
14550 char *quote = ""; char c; int i;
14552 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14553 char start = message[0];
14554 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14555 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14556 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14557 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14558 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14559 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14560 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14561 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14562 sscanf(message, "hint: %c", &c)!=1 &&
14563 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14564 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14565 print = (appData.engineComments >= 2);
14567 message[0] = start; // restore original message
14571 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14572 SubtractTimeMarks(&now, &programStartTime), cps->which,
14578 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14579 if (appData.icsEngineAnalyze) {
14580 if (strstr(message, "whisper") != NULL ||
14581 strstr(message, "kibitz") != NULL ||
14582 strstr(message, "tellics") != NULL) return;
14585 HandleMachineMove(message, cps);
14590 SendTimeControl(cps, mps, tc, inc, sd, st)
14591 ChessProgramState *cps;
14592 int mps, inc, sd, st;
14598 if( timeControl_2 > 0 ) {
14599 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14600 tc = timeControl_2;
14603 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14604 inc /= cps->timeOdds;
14605 st /= cps->timeOdds;
14607 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14610 /* Set exact time per move, normally using st command */
14611 if (cps->stKludge) {
14612 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14614 if (seconds == 0) {
14615 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14617 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14620 snprintf(buf, MSG_SIZ, "st %d\n", st);
14623 /* Set conventional or incremental time control, using level command */
14624 if (seconds == 0) {
14625 /* Note old gnuchess bug -- minutes:seconds used to not work.
14626 Fixed in later versions, but still avoid :seconds
14627 when seconds is 0. */
14628 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14630 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14631 seconds, inc/1000.);
14634 SendToProgram(buf, cps);
14636 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14637 /* Orthogonally, limit search to given depth */
14639 if (cps->sdKludge) {
14640 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14642 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14644 SendToProgram(buf, cps);
14647 if(cps->nps >= 0) { /* [HGM] nps */
14648 if(cps->supportsNPS == FALSE)
14649 cps->nps = -1; // don't use if engine explicitly says not supported!
14651 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14652 SendToProgram(buf, cps);
14657 ChessProgramState *WhitePlayer()
14658 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14660 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14661 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14667 SendTimeRemaining(cps, machineWhite)
14668 ChessProgramState *cps;
14669 int /*boolean*/ machineWhite;
14671 char message[MSG_SIZ];
14674 /* Note: this routine must be called when the clocks are stopped
14675 or when they have *just* been set or switched; otherwise
14676 it will be off by the time since the current tick started.
14678 if (machineWhite) {
14679 time = whiteTimeRemaining / 10;
14680 otime = blackTimeRemaining / 10;
14682 time = blackTimeRemaining / 10;
14683 otime = whiteTimeRemaining / 10;
14685 /* [HGM] translate opponent's time by time-odds factor */
14686 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14687 if (appData.debugMode) {
14688 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14691 if (time <= 0) time = 1;
14692 if (otime <= 0) otime = 1;
14694 snprintf(message, MSG_SIZ, "time %ld\n", time);
14695 SendToProgram(message, cps);
14697 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14698 SendToProgram(message, cps);
14702 BoolFeature(p, name, loc, cps)
14706 ChessProgramState *cps;
14709 int len = strlen(name);
14712 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14714 sscanf(*p, "%d", &val);
14716 while (**p && **p != ' ')
14718 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14719 SendToProgram(buf, cps);
14726 IntFeature(p, name, loc, cps)
14730 ChessProgramState *cps;
14733 int len = strlen(name);
14734 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14736 sscanf(*p, "%d", loc);
14737 while (**p && **p != ' ') (*p)++;
14738 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14739 SendToProgram(buf, cps);
14746 StringFeature(p, name, loc, cps)
14750 ChessProgramState *cps;
14753 int len = strlen(name);
14754 if (strncmp((*p), name, len) == 0
14755 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14757 sscanf(*p, "%[^\"]", loc);
14758 while (**p && **p != '\"') (*p)++;
14759 if (**p == '\"') (*p)++;
14760 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14761 SendToProgram(buf, cps);
14768 ParseOption(Option *opt, ChessProgramState *cps)
14769 // [HGM] options: process the string that defines an engine option, and determine
14770 // name, type, default value, and allowed value range
14772 char *p, *q, buf[MSG_SIZ];
14773 int n, min = (-1)<<31, max = 1<<31, def;
14775 if(p = strstr(opt->name, " -spin ")) {
14776 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14777 if(max < min) max = min; // enforce consistency
14778 if(def < min) def = min;
14779 if(def > max) def = max;
14784 } else if((p = strstr(opt->name, " -slider "))) {
14785 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14786 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14787 if(max < min) max = min; // enforce consistency
14788 if(def < min) def = min;
14789 if(def > max) def = max;
14793 opt->type = Spin; // Slider;
14794 } else if((p = strstr(opt->name, " -string "))) {
14795 opt->textValue = p+9;
14796 opt->type = TextBox;
14797 } else if((p = strstr(opt->name, " -file "))) {
14798 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14799 opt->textValue = p+7;
14800 opt->type = FileName; // FileName;
14801 } else if((p = strstr(opt->name, " -path "))) {
14802 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14803 opt->textValue = p+7;
14804 opt->type = PathName; // PathName;
14805 } else if(p = strstr(opt->name, " -check ")) {
14806 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14807 opt->value = (def != 0);
14808 opt->type = CheckBox;
14809 } else if(p = strstr(opt->name, " -combo ")) {
14810 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14811 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14812 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14813 opt->value = n = 0;
14814 while(q = StrStr(q, " /// ")) {
14815 n++; *q = 0; // count choices, and null-terminate each of them
14817 if(*q == '*') { // remember default, which is marked with * prefix
14821 cps->comboList[cps->comboCnt++] = q;
14823 cps->comboList[cps->comboCnt++] = NULL;
14825 opt->type = ComboBox;
14826 } else if(p = strstr(opt->name, " -button")) {
14827 opt->type = Button;
14828 } else if(p = strstr(opt->name, " -save")) {
14829 opt->type = SaveButton;
14830 } else return FALSE;
14831 *p = 0; // terminate option name
14832 // now look if the command-line options define a setting for this engine option.
14833 if(cps->optionSettings && cps->optionSettings[0])
14834 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14835 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14836 snprintf(buf, MSG_SIZ, "option %s", p);
14837 if(p = strstr(buf, ",")) *p = 0;
14838 if(q = strchr(buf, '=')) switch(opt->type) {
14840 for(n=0; n<opt->max; n++)
14841 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14844 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14848 opt->value = atoi(q+1);
14853 SendToProgram(buf, cps);
14859 FeatureDone(cps, val)
14860 ChessProgramState* cps;
14863 DelayedEventCallback cb = GetDelayedEvent();
14864 if ((cb == InitBackEnd3 && cps == &first) ||
14865 (cb == SettingsMenuIfReady && cps == &second) ||
14866 (cb == LoadEngine) ||
14867 (cb == TwoMachinesEventIfReady)) {
14868 CancelDelayedEvent();
14869 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14871 cps->initDone = val;
14874 /* Parse feature command from engine */
14876 ParseFeatures(args, cps)
14878 ChessProgramState *cps;
14886 while (*p == ' ') p++;
14887 if (*p == NULLCHAR) return;
14889 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14890 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14891 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14892 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14893 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14894 if (BoolFeature(&p, "reuse", &val, cps)) {
14895 /* Engine can disable reuse, but can't enable it if user said no */
14896 if (!val) cps->reuse = FALSE;
14899 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14900 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14901 if (gameMode == TwoMachinesPlay) {
14902 DisplayTwoMachinesTitle();
14908 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14909 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14910 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14911 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14912 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14913 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14914 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14915 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14916 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14917 if (IntFeature(&p, "done", &val, cps)) {
14918 FeatureDone(cps, val);
14921 /* Added by Tord: */
14922 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14923 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14924 /* End of additions by Tord */
14926 /* [HGM] added features: */
14927 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14928 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14929 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14930 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14931 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14932 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14933 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14934 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14935 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14936 SendToProgram(buf, cps);
14939 if(cps->nrOptions >= MAX_OPTIONS) {
14941 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14942 DisplayError(buf, 0);
14946 /* End of additions by HGM */
14948 /* unknown feature: complain and skip */
14950 while (*q && *q != '=') q++;
14951 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14952 SendToProgram(buf, cps);
14958 while (*p && *p != '\"') p++;
14959 if (*p == '\"') p++;
14961 while (*p && *p != ' ') p++;
14969 PeriodicUpdatesEvent(newState)
14972 if (newState == appData.periodicUpdates)
14975 appData.periodicUpdates=newState;
14977 /* Display type changes, so update it now */
14978 // DisplayAnalysis();
14980 /* Get the ball rolling again... */
14982 AnalysisPeriodicEvent(1);
14983 StartAnalysisClock();
14988 PonderNextMoveEvent(newState)
14991 if (newState == appData.ponderNextMove) return;
14992 if (gameMode == EditPosition) EditPositionDone(TRUE);
14994 SendToProgram("hard\n", &first);
14995 if (gameMode == TwoMachinesPlay) {
14996 SendToProgram("hard\n", &second);
14999 SendToProgram("easy\n", &first);
15000 thinkOutput[0] = NULLCHAR;
15001 if (gameMode == TwoMachinesPlay) {
15002 SendToProgram("easy\n", &second);
15005 appData.ponderNextMove = newState;
15009 NewSettingEvent(option, feature, command, value)
15011 int option, value, *feature;
15015 if (gameMode == EditPosition) EditPositionDone(TRUE);
15016 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15017 if(feature == NULL || *feature) SendToProgram(buf, &first);
15018 if (gameMode == TwoMachinesPlay) {
15019 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15024 ShowThinkingEvent()
15025 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15027 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15028 int newState = appData.showThinking
15029 // [HGM] thinking: other features now need thinking output as well
15030 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15032 if (oldState == newState) return;
15033 oldState = newState;
15034 if (gameMode == EditPosition) EditPositionDone(TRUE);
15036 SendToProgram("post\n", &first);
15037 if (gameMode == TwoMachinesPlay) {
15038 SendToProgram("post\n", &second);
15041 SendToProgram("nopost\n", &first);
15042 thinkOutput[0] = NULLCHAR;
15043 if (gameMode == TwoMachinesPlay) {
15044 SendToProgram("nopost\n", &second);
15047 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15051 AskQuestionEvent(title, question, replyPrefix, which)
15052 char *title; char *question; char *replyPrefix; char *which;
15054 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15055 if (pr == NoProc) return;
15056 AskQuestion(title, question, replyPrefix, pr);
15060 TypeInEvent(char firstChar)
15062 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15063 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15064 gameMode == AnalyzeMode || gameMode == EditGame ||
15065 gameMode == EditPosition || gameMode == IcsExamining ||
15066 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15067 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15068 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15069 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15070 gameMode == Training) PopUpMoveDialog(firstChar);
15074 TypeInDoneEvent(char *move)
15077 int n, fromX, fromY, toX, toY;
15079 ChessMove moveType;
15082 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15083 EditPositionPasteFEN(move);
15086 // [HGM] movenum: allow move number to be typed in any mode
15087 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15092 if (gameMode != EditGame && currentMove != forwardMostMove &&
15093 gameMode != Training) {
15094 DisplayMoveError(_("Displayed move is not current"));
15096 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15097 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15098 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15099 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15100 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15101 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15103 DisplayMoveError(_("Could not parse move"));
15109 DisplayMove(moveNumber)
15112 char message[MSG_SIZ];
15114 char cpThinkOutput[MSG_SIZ];
15116 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15118 if (moveNumber == forwardMostMove - 1 ||
15119 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15121 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15123 if (strchr(cpThinkOutput, '\n')) {
15124 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15127 *cpThinkOutput = NULLCHAR;
15130 /* [AS] Hide thinking from human user */
15131 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15132 *cpThinkOutput = NULLCHAR;
15133 if( thinkOutput[0] != NULLCHAR ) {
15136 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15137 cpThinkOutput[i] = '.';
15139 cpThinkOutput[i] = NULLCHAR;
15140 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15144 if (moveNumber == forwardMostMove - 1 &&
15145 gameInfo.resultDetails != NULL) {
15146 if (gameInfo.resultDetails[0] == NULLCHAR) {
15147 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15149 snprintf(res, MSG_SIZ, " {%s} %s",
15150 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15156 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15157 DisplayMessage(res, cpThinkOutput);
15159 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15160 WhiteOnMove(moveNumber) ? " " : ".. ",
15161 parseList[moveNumber], res);
15162 DisplayMessage(message, cpThinkOutput);
15167 DisplayComment(moveNumber, text)
15171 char title[MSG_SIZ];
15172 char buf[8000]; // comment can be long!
15175 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15176 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15178 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15179 WhiteOnMove(moveNumber) ? " " : ".. ",
15180 parseList[moveNumber]);
15182 // [HGM] PV info: display PV info together with (or as) comment
15183 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
15184 if(text == NULL) text = "";
15185 score = pvInfoList[moveNumber].score;
15186 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
15187 depth, (pvInfoList[moveNumber].time+50)/100, text);
15190 if (text != NULL && (appData.autoDisplayComment || commentUp))
15191 CommentPopUp(title, text);
15194 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15195 * might be busy thinking or pondering. It can be omitted if your
15196 * gnuchess is configured to stop thinking immediately on any user
15197 * input. However, that gnuchess feature depends on the FIONREAD
15198 * ioctl, which does not work properly on some flavors of Unix.
15202 ChessProgramState *cps;
15205 if (!cps->useSigint) return;
15206 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15207 switch (gameMode) {
15208 case MachinePlaysWhite:
15209 case MachinePlaysBlack:
15210 case TwoMachinesPlay:
15211 case IcsPlayingWhite:
15212 case IcsPlayingBlack:
15215 /* Skip if we know it isn't thinking */
15216 if (!cps->maybeThinking) return;
15217 if (appData.debugMode)
15218 fprintf(debugFP, "Interrupting %s\n", cps->which);
15219 InterruptChildProcess(cps->pr);
15220 cps->maybeThinking = FALSE;
15225 #endif /*ATTENTION*/
15231 if (whiteTimeRemaining <= 0) {
15234 if (appData.icsActive) {
15235 if (appData.autoCallFlag &&
15236 gameMode == IcsPlayingBlack && !blackFlag) {
15237 SendToICS(ics_prefix);
15238 SendToICS("flag\n");
15242 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15244 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15245 if (appData.autoCallFlag) {
15246 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15253 if (blackTimeRemaining <= 0) {
15256 if (appData.icsActive) {
15257 if (appData.autoCallFlag &&
15258 gameMode == IcsPlayingWhite && !whiteFlag) {
15259 SendToICS(ics_prefix);
15260 SendToICS("flag\n");
15264 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15266 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15267 if (appData.autoCallFlag) {
15268 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15281 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15282 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15285 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15287 if ( !WhiteOnMove(forwardMostMove) ) {
15288 /* White made time control */
15289 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15290 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15291 /* [HGM] time odds: correct new time quota for time odds! */
15292 / WhitePlayer()->timeOdds;
15293 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15295 lastBlack -= blackTimeRemaining;
15296 /* Black made time control */
15297 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15298 / WhitePlayer()->other->timeOdds;
15299 lastWhite = whiteTimeRemaining;
15304 DisplayBothClocks()
15306 int wom = gameMode == EditPosition ?
15307 !blackPlaysFirst : WhiteOnMove(currentMove);
15308 DisplayWhiteClock(whiteTimeRemaining, wom);
15309 DisplayBlackClock(blackTimeRemaining, !wom);
15313 /* Timekeeping seems to be a portability nightmare. I think everyone
15314 has ftime(), but I'm really not sure, so I'm including some ifdefs
15315 to use other calls if you don't. Clocks will be less accurate if
15316 you have neither ftime nor gettimeofday.
15319 /* VS 2008 requires the #include outside of the function */
15320 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15321 #include <sys/timeb.h>
15324 /* Get the current time as a TimeMark */
15329 #if HAVE_GETTIMEOFDAY
15331 struct timeval timeVal;
15332 struct timezone timeZone;
15334 gettimeofday(&timeVal, &timeZone);
15335 tm->sec = (long) timeVal.tv_sec;
15336 tm->ms = (int) (timeVal.tv_usec / 1000L);
15338 #else /*!HAVE_GETTIMEOFDAY*/
15341 // include <sys/timeb.h> / moved to just above start of function
15342 struct timeb timeB;
15345 tm->sec = (long) timeB.time;
15346 tm->ms = (int) timeB.millitm;
15348 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15349 tm->sec = (long) time(NULL);
15355 /* Return the difference in milliseconds between two
15356 time marks. We assume the difference will fit in a long!
15359 SubtractTimeMarks(tm2, tm1)
15360 TimeMark *tm2, *tm1;
15362 return 1000L*(tm2->sec - tm1->sec) +
15363 (long) (tm2->ms - tm1->ms);
15368 * Code to manage the game clocks.
15370 * In tournament play, black starts the clock and then white makes a move.
15371 * We give the human user a slight advantage if he is playing white---the
15372 * clocks don't run until he makes his first move, so it takes zero time.
15373 * Also, we don't account for network lag, so we could get out of sync
15374 * with GNU Chess's clock -- but then, referees are always right.
15377 static TimeMark tickStartTM;
15378 static long intendedTickLength;
15381 NextTickLength(timeRemaining)
15382 long timeRemaining;
15384 long nominalTickLength, nextTickLength;
15386 if (timeRemaining > 0L && timeRemaining <= 10000L)
15387 nominalTickLength = 100L;
15389 nominalTickLength = 1000L;
15390 nextTickLength = timeRemaining % nominalTickLength;
15391 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15393 return nextTickLength;
15396 /* Adjust clock one minute up or down */
15398 AdjustClock(Boolean which, int dir)
15400 if(which) blackTimeRemaining += 60000*dir;
15401 else whiteTimeRemaining += 60000*dir;
15402 DisplayBothClocks();
15405 /* Stop clocks and reset to a fresh time control */
15409 (void) StopClockTimer();
15410 if (appData.icsActive) {
15411 whiteTimeRemaining = blackTimeRemaining = 0;
15412 } else if (searchTime) {
15413 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15414 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15415 } else { /* [HGM] correct new time quote for time odds */
15416 whiteTC = blackTC = fullTimeControlString;
15417 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15418 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15420 if (whiteFlag || blackFlag) {
15422 whiteFlag = blackFlag = FALSE;
15424 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15425 DisplayBothClocks();
15428 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15430 /* Decrement running clock by amount of time that has passed */
15434 long timeRemaining;
15435 long lastTickLength, fudge;
15438 if (!appData.clockMode) return;
15439 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15443 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15445 /* Fudge if we woke up a little too soon */
15446 fudge = intendedTickLength - lastTickLength;
15447 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15449 if (WhiteOnMove(forwardMostMove)) {
15450 if(whiteNPS >= 0) lastTickLength = 0;
15451 timeRemaining = whiteTimeRemaining -= lastTickLength;
15452 if(timeRemaining < 0 && !appData.icsActive) {
15453 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15454 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15455 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15456 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15459 DisplayWhiteClock(whiteTimeRemaining - fudge,
15460 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15462 if(blackNPS >= 0) lastTickLength = 0;
15463 timeRemaining = blackTimeRemaining -= lastTickLength;
15464 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15465 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15467 blackStartMove = forwardMostMove;
15468 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15471 DisplayBlackClock(blackTimeRemaining - fudge,
15472 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15474 if (CheckFlags()) return;
15477 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15478 StartClockTimer(intendedTickLength);
15480 /* if the time remaining has fallen below the alarm threshold, sound the
15481 * alarm. if the alarm has sounded and (due to a takeback or time control
15482 * with increment) the time remaining has increased to a level above the
15483 * threshold, reset the alarm so it can sound again.
15486 if (appData.icsActive && appData.icsAlarm) {
15488 /* make sure we are dealing with the user's clock */
15489 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15490 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15493 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15494 alarmSounded = FALSE;
15495 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15497 alarmSounded = TRUE;
15503 /* A player has just moved, so stop the previously running
15504 clock and (if in clock mode) start the other one.
15505 We redisplay both clocks in case we're in ICS mode, because
15506 ICS gives us an update to both clocks after every move.
15507 Note that this routine is called *after* forwardMostMove
15508 is updated, so the last fractional tick must be subtracted
15509 from the color that is *not* on move now.
15512 SwitchClocks(int newMoveNr)
15514 long lastTickLength;
15516 int flagged = FALSE;
15520 if (StopClockTimer() && appData.clockMode) {
15521 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15522 if (!WhiteOnMove(forwardMostMove)) {
15523 if(blackNPS >= 0) lastTickLength = 0;
15524 blackTimeRemaining -= lastTickLength;
15525 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15526 // if(pvInfoList[forwardMostMove].time == -1)
15527 pvInfoList[forwardMostMove].time = // use GUI time
15528 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15530 if(whiteNPS >= 0) lastTickLength = 0;
15531 whiteTimeRemaining -= lastTickLength;
15532 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15533 // if(pvInfoList[forwardMostMove].time == -1)
15534 pvInfoList[forwardMostMove].time =
15535 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15537 flagged = CheckFlags();
15539 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15540 CheckTimeControl();
15542 if (flagged || !appData.clockMode) return;
15544 switch (gameMode) {
15545 case MachinePlaysBlack:
15546 case MachinePlaysWhite:
15547 case BeginningOfGame:
15548 if (pausing) return;
15552 case PlayFromGameFile:
15560 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15561 if(WhiteOnMove(forwardMostMove))
15562 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15563 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15567 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15568 whiteTimeRemaining : blackTimeRemaining);
15569 StartClockTimer(intendedTickLength);
15573 /* Stop both clocks */
15577 long lastTickLength;
15580 if (!StopClockTimer()) return;
15581 if (!appData.clockMode) return;
15585 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15586 if (WhiteOnMove(forwardMostMove)) {
15587 if(whiteNPS >= 0) lastTickLength = 0;
15588 whiteTimeRemaining -= lastTickLength;
15589 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15591 if(blackNPS >= 0) lastTickLength = 0;
15592 blackTimeRemaining -= lastTickLength;
15593 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15598 /* Start clock of player on move. Time may have been reset, so
15599 if clock is already running, stop and restart it. */
15603 (void) StopClockTimer(); /* in case it was running already */
15604 DisplayBothClocks();
15605 if (CheckFlags()) return;
15607 if (!appData.clockMode) return;
15608 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15610 GetTimeMark(&tickStartTM);
15611 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15612 whiteTimeRemaining : blackTimeRemaining);
15614 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15615 whiteNPS = blackNPS = -1;
15616 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15617 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15618 whiteNPS = first.nps;
15619 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15620 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15621 blackNPS = first.nps;
15622 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15623 whiteNPS = second.nps;
15624 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15625 blackNPS = second.nps;
15626 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15628 StartClockTimer(intendedTickLength);
15635 long second, minute, hour, day;
15637 static char buf[32];
15639 if (ms > 0 && ms <= 9900) {
15640 /* convert milliseconds to tenths, rounding up */
15641 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15643 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15647 /* convert milliseconds to seconds, rounding up */
15648 /* use floating point to avoid strangeness of integer division
15649 with negative dividends on many machines */
15650 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15657 day = second / (60 * 60 * 24);
15658 second = second % (60 * 60 * 24);
15659 hour = second / (60 * 60);
15660 second = second % (60 * 60);
15661 minute = second / 60;
15662 second = second % 60;
15665 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15666 sign, day, hour, minute, second);
15668 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15670 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15677 * This is necessary because some C libraries aren't ANSI C compliant yet.
15680 StrStr(string, match)
15681 char *string, *match;
15685 length = strlen(match);
15687 for (i = strlen(string) - length; i >= 0; i--, string++)
15688 if (!strncmp(match, string, length))
15695 StrCaseStr(string, match)
15696 char *string, *match;
15700 length = strlen(match);
15702 for (i = strlen(string) - length; i >= 0; i--, string++) {
15703 for (j = 0; j < length; j++) {
15704 if (ToLower(match[j]) != ToLower(string[j]))
15707 if (j == length) return string;
15721 c1 = ToLower(*s1++);
15722 c2 = ToLower(*s2++);
15723 if (c1 > c2) return 1;
15724 if (c1 < c2) return -1;
15725 if (c1 == NULLCHAR) return 0;
15734 return isupper(c) ? tolower(c) : c;
15742 return islower(c) ? toupper(c) : c;
15744 #endif /* !_amigados */
15752 if ((ret = (char *) malloc(strlen(s) + 1)))
15754 safeStrCpy(ret, s, strlen(s)+1);
15760 StrSavePtr(s, savePtr)
15761 char *s, **savePtr;
15766 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15767 safeStrCpy(*savePtr, s, strlen(s)+1);
15779 clock = time((time_t *)NULL);
15780 tm = localtime(&clock);
15781 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15782 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15783 return StrSave(buf);
15788 PositionToFEN(move, overrideCastling)
15790 char *overrideCastling;
15792 int i, j, fromX, fromY, toX, toY;
15799 whiteToPlay = (gameMode == EditPosition) ?
15800 !blackPlaysFirst : (move % 2 == 0);
15803 /* Piece placement data */
15804 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15806 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15807 if (boards[move][i][j] == EmptySquare) {
15809 } else { ChessSquare piece = boards[move][i][j];
15810 if (emptycount > 0) {
15811 if(emptycount<10) /* [HGM] can be >= 10 */
15812 *p++ = '0' + emptycount;
15813 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15816 if(PieceToChar(piece) == '+') {
15817 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15819 piece = (ChessSquare)(DEMOTED piece);
15821 *p++ = PieceToChar(piece);
15823 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15824 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15829 if (emptycount > 0) {
15830 if(emptycount<10) /* [HGM] can be >= 10 */
15831 *p++ = '0' + emptycount;
15832 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15839 /* [HGM] print Crazyhouse or Shogi holdings */
15840 if( gameInfo.holdingsWidth ) {
15841 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15843 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15844 piece = boards[move][i][BOARD_WIDTH-1];
15845 if( piece != EmptySquare )
15846 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15847 *p++ = PieceToChar(piece);
15849 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15850 piece = boards[move][BOARD_HEIGHT-i-1][0];
15851 if( piece != EmptySquare )
15852 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15853 *p++ = PieceToChar(piece);
15856 if( q == p ) *p++ = '-';
15862 *p++ = whiteToPlay ? 'w' : 'b';
15865 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15866 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15868 if(nrCastlingRights) {
15870 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15871 /* [HGM] write directly from rights */
15872 if(boards[move][CASTLING][2] != NoRights &&
15873 boards[move][CASTLING][0] != NoRights )
15874 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15875 if(boards[move][CASTLING][2] != NoRights &&
15876 boards[move][CASTLING][1] != NoRights )
15877 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15878 if(boards[move][CASTLING][5] != NoRights &&
15879 boards[move][CASTLING][3] != NoRights )
15880 *p++ = boards[move][CASTLING][3] + AAA;
15881 if(boards[move][CASTLING][5] != NoRights &&
15882 boards[move][CASTLING][4] != NoRights )
15883 *p++ = boards[move][CASTLING][4] + AAA;
15886 /* [HGM] write true castling rights */
15887 if( nrCastlingRights == 6 ) {
15888 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15889 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15890 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15891 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15892 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15893 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15894 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15895 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15898 if (q == p) *p++ = '-'; /* No castling rights */
15902 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15903 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15904 /* En passant target square */
15905 if (move > backwardMostMove) {
15906 fromX = moveList[move - 1][0] - AAA;
15907 fromY = moveList[move - 1][1] - ONE;
15908 toX = moveList[move - 1][2] - AAA;
15909 toY = moveList[move - 1][3] - ONE;
15910 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15911 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15912 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15914 /* 2-square pawn move just happened */
15916 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15920 } else if(move == backwardMostMove) {
15921 // [HGM] perhaps we should always do it like this, and forget the above?
15922 if((signed char)boards[move][EP_STATUS] >= 0) {
15923 *p++ = boards[move][EP_STATUS] + AAA;
15924 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15935 /* [HGM] find reversible plies */
15936 { int i = 0, j=move;
15938 if (appData.debugMode) { int k;
15939 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15940 for(k=backwardMostMove; k<=forwardMostMove; k++)
15941 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15945 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15946 if( j == backwardMostMove ) i += initialRulePlies;
15947 sprintf(p, "%d ", i);
15948 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15950 /* Fullmove number */
15951 sprintf(p, "%d", (move / 2) + 1);
15953 return StrSave(buf);
15957 ParseFEN(board, blackPlaysFirst, fen)
15959 int *blackPlaysFirst;
15969 /* [HGM] by default clear Crazyhouse holdings, if present */
15970 if(gameInfo.holdingsWidth) {
15971 for(i=0; i<BOARD_HEIGHT; i++) {
15972 board[i][0] = EmptySquare; /* black holdings */
15973 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15974 board[i][1] = (ChessSquare) 0; /* black counts */
15975 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15979 /* Piece placement data */
15980 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15983 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15984 if (*p == '/') p++;
15985 emptycount = gameInfo.boardWidth - j;
15986 while (emptycount--)
15987 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15989 #if(BOARD_FILES >= 10)
15990 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15991 p++; emptycount=10;
15992 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15993 while (emptycount--)
15994 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15996 } else if (isdigit(*p)) {
15997 emptycount = *p++ - '0';
15998 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15999 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16000 while (emptycount--)
16001 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16002 } else if (*p == '+' || isalpha(*p)) {
16003 if (j >= gameInfo.boardWidth) return FALSE;
16005 piece = CharToPiece(*++p);
16006 if(piece == EmptySquare) return FALSE; /* unknown piece */
16007 piece = (ChessSquare) (PROMOTED piece ); p++;
16008 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16009 } else piece = CharToPiece(*p++);
16011 if(piece==EmptySquare) return FALSE; /* unknown piece */
16012 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16013 piece = (ChessSquare) (PROMOTED piece);
16014 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16017 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16023 while (*p == '/' || *p == ' ') p++;
16025 /* [HGM] look for Crazyhouse holdings here */
16026 while(*p==' ') p++;
16027 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16029 if(*p == '-' ) p++; /* empty holdings */ else {
16030 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16031 /* if we would allow FEN reading to set board size, we would */
16032 /* have to add holdings and shift the board read so far here */
16033 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16035 if((int) piece >= (int) BlackPawn ) {
16036 i = (int)piece - (int)BlackPawn;
16037 i = PieceToNumber((ChessSquare)i);
16038 if( i >= gameInfo.holdingsSize ) return FALSE;
16039 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16040 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16042 i = (int)piece - (int)WhitePawn;
16043 i = PieceToNumber((ChessSquare)i);
16044 if( i >= gameInfo.holdingsSize ) return FALSE;
16045 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16046 board[i][BOARD_WIDTH-2]++; /* black holdings */
16053 while(*p == ' ') p++;
16057 if(appData.colorNickNames) {
16058 if( c == appData.colorNickNames[0] ) c = 'w'; else
16059 if( c == appData.colorNickNames[1] ) c = 'b';
16063 *blackPlaysFirst = FALSE;
16066 *blackPlaysFirst = TRUE;
16072 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16073 /* return the extra info in global variiables */
16075 /* set defaults in case FEN is incomplete */
16076 board[EP_STATUS] = EP_UNKNOWN;
16077 for(i=0; i<nrCastlingRights; i++ ) {
16078 board[CASTLING][i] =
16079 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16080 } /* assume possible unless obviously impossible */
16081 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16082 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16083 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16084 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16085 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16086 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16087 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16088 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16091 while(*p==' ') p++;
16092 if(nrCastlingRights) {
16093 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16094 /* castling indicator present, so default becomes no castlings */
16095 for(i=0; i<nrCastlingRights; i++ ) {
16096 board[CASTLING][i] = NoRights;
16099 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16100 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16101 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16102 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16103 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16105 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16106 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16107 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16109 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16110 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16111 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16112 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16113 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16114 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16117 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16118 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16119 board[CASTLING][2] = whiteKingFile;
16122 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16123 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16124 board[CASTLING][2] = whiteKingFile;
16127 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16128 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16129 board[CASTLING][5] = blackKingFile;
16132 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16133 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16134 board[CASTLING][5] = blackKingFile;
16137 default: /* FRC castlings */
16138 if(c >= 'a') { /* black rights */
16139 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16140 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16141 if(i == BOARD_RGHT) break;
16142 board[CASTLING][5] = i;
16144 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16145 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16147 board[CASTLING][3] = c;
16149 board[CASTLING][4] = c;
16150 } else { /* white rights */
16151 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16152 if(board[0][i] == WhiteKing) break;
16153 if(i == BOARD_RGHT) break;
16154 board[CASTLING][2] = i;
16155 c -= AAA - 'a' + 'A';
16156 if(board[0][c] >= WhiteKing) break;
16158 board[CASTLING][0] = c;
16160 board[CASTLING][1] = c;
16164 for(i=0; i<nrCastlingRights; i++)
16165 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16166 if (appData.debugMode) {
16167 fprintf(debugFP, "FEN castling rights:");
16168 for(i=0; i<nrCastlingRights; i++)
16169 fprintf(debugFP, " %d", board[CASTLING][i]);
16170 fprintf(debugFP, "\n");
16173 while(*p==' ') p++;
16176 /* read e.p. field in games that know e.p. capture */
16177 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16178 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16180 p++; board[EP_STATUS] = EP_NONE;
16182 char c = *p++ - AAA;
16184 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16185 if(*p >= '0' && *p <='9') p++;
16186 board[EP_STATUS] = c;
16191 if(sscanf(p, "%d", &i) == 1) {
16192 FENrulePlies = i; /* 50-move ply counter */
16193 /* (The move number is still ignored) */
16200 EditPositionPasteFEN(char *fen)
16203 Board initial_position;
16205 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16206 DisplayError(_("Bad FEN position in clipboard"), 0);
16209 int savedBlackPlaysFirst = blackPlaysFirst;
16210 EditPositionEvent();
16211 blackPlaysFirst = savedBlackPlaysFirst;
16212 CopyBoard(boards[0], initial_position);
16213 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16214 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16215 DisplayBothClocks();
16216 DrawPosition(FALSE, boards[currentMove]);
16221 static char cseq[12] = "\\ ";
16223 Boolean set_cont_sequence(char *new_seq)
16228 // handle bad attempts to set the sequence
16230 return 0; // acceptable error - no debug
16232 len = strlen(new_seq);
16233 ret = (len > 0) && (len < sizeof(cseq));
16235 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16236 else if (appData.debugMode)
16237 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16242 reformat a source message so words don't cross the width boundary. internal
16243 newlines are not removed. returns the wrapped size (no null character unless
16244 included in source message). If dest is NULL, only calculate the size required
16245 for the dest buffer. lp argument indicats line position upon entry, and it's
16246 passed back upon exit.
16248 int wrap(char *dest, char *src, int count, int width, int *lp)
16250 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16252 cseq_len = strlen(cseq);
16253 old_line = line = *lp;
16254 ansi = len = clen = 0;
16256 for (i=0; i < count; i++)
16258 if (src[i] == '\033')
16261 // if we hit the width, back up
16262 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16264 // store i & len in case the word is too long
16265 old_i = i, old_len = len;
16267 // find the end of the last word
16268 while (i && src[i] != ' ' && src[i] != '\n')
16274 // word too long? restore i & len before splitting it
16275 if ((old_i-i+clen) >= width)
16282 if (i && src[i-1] == ' ')
16285 if (src[i] != ' ' && src[i] != '\n')
16292 // now append the newline and continuation sequence
16297 strncpy(dest+len, cseq, cseq_len);
16305 dest[len] = src[i];
16309 if (src[i] == '\n')
16314 if (dest && appData.debugMode)
16316 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16317 count, width, line, len, *lp);
16318 show_bytes(debugFP, src, count);
16319 fprintf(debugFP, "\ndest: ");
16320 show_bytes(debugFP, dest, len);
16321 fprintf(debugFP, "\n");
16323 *lp = dest ? line : old_line;
16328 // [HGM] vari: routines for shelving variations
16331 PushInner(int firstMove, int lastMove)
16333 int i, j, nrMoves = lastMove - firstMove;
16335 // push current tail of game on stack
16336 savedResult[storedGames] = gameInfo.result;
16337 savedDetails[storedGames] = gameInfo.resultDetails;
16338 gameInfo.resultDetails = NULL;
16339 savedFirst[storedGames] = firstMove;
16340 savedLast [storedGames] = lastMove;
16341 savedFramePtr[storedGames] = framePtr;
16342 framePtr -= nrMoves; // reserve space for the boards
16343 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16344 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16345 for(j=0; j<MOVE_LEN; j++)
16346 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16347 for(j=0; j<2*MOVE_LEN; j++)
16348 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16349 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16350 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16351 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16352 pvInfoList[firstMove+i-1].depth = 0;
16353 commentList[framePtr+i] = commentList[firstMove+i];
16354 commentList[firstMove+i] = NULL;
16358 forwardMostMove = firstMove; // truncate game so we can start variation
16362 PushTail(int firstMove, int lastMove)
16364 if(appData.icsActive) { // only in local mode
16365 forwardMostMove = currentMove; // mimic old ICS behavior
16368 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16370 PushInner(firstMove, lastMove);
16371 if(storedGames == 1) GreyRevert(FALSE);
16375 PopInner(Boolean annotate)
16378 char buf[8000], moveBuf[20];
16381 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16382 nrMoves = savedLast[storedGames] - currentMove;
16385 if(!WhiteOnMove(currentMove))
16386 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16387 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16388 for(i=currentMove; i<forwardMostMove; i++) {
16390 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16391 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16392 strcat(buf, moveBuf);
16393 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16394 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16398 for(i=1; i<=nrMoves; i++) { // copy last variation back
16399 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16400 for(j=0; j<MOVE_LEN; j++)
16401 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16402 for(j=0; j<2*MOVE_LEN; j++)
16403 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16404 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16405 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16406 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16407 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16408 commentList[currentMove+i] = commentList[framePtr+i];
16409 commentList[framePtr+i] = NULL;
16411 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16412 framePtr = savedFramePtr[storedGames];
16413 gameInfo.result = savedResult[storedGames];
16414 if(gameInfo.resultDetails != NULL) {
16415 free(gameInfo.resultDetails);
16417 gameInfo.resultDetails = savedDetails[storedGames];
16418 forwardMostMove = currentMove + nrMoves;
16422 PopTail(Boolean annotate)
16424 if(appData.icsActive) return FALSE; // only in local mode
16425 if(!storedGames) return FALSE; // sanity
16426 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16428 PopInner(annotate);
16430 if(storedGames == 0) GreyRevert(TRUE);
16436 { // remove all shelved variations
16438 for(i=0; i<storedGames; i++) {
16439 if(savedDetails[i])
16440 free(savedDetails[i]);
16441 savedDetails[i] = NULL;
16443 for(i=framePtr; i<MAX_MOVES; i++) {
16444 if(commentList[i]) free(commentList[i]);
16445 commentList[i] = NULL;
16447 framePtr = MAX_MOVES-1;
16452 LoadVariation(int index, char *text)
16453 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16454 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16455 int level = 0, move;
16457 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16458 // first find outermost bracketing variation
16459 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16460 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16461 if(*p == '{') wait = '}'; else
16462 if(*p == '[') wait = ']'; else
16463 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16464 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16466 if(*p == wait) wait = NULLCHAR; // closing ]} found
16469 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16470 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16471 end[1] = NULLCHAR; // clip off comment beyond variation
16472 ToNrEvent(currentMove-1);
16473 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16474 // kludge: use ParsePV() to append variation to game
16475 move = currentMove;
16476 ParsePV(start, TRUE, TRUE);
16477 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16478 ClearPremoveHighlights();
16480 ToNrEvent(currentMove+1);