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:
400 flags &= ~F_ALL_CASTLE_OK;
408 FILE *gameFileFP, *debugFP;
411 [AS] Note: sometimes, the sscanf() function is used to parse the input
412 into a fixed-size buffer. Because of this, we must be prepared to
413 receive strings as long as the size of the input buffer, which is currently
414 set to 4K for Windows and 8K for the rest.
415 So, we must either allocate sufficiently large buffers here, or
416 reduce the size of the input buffer in the input reading part.
419 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
420 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
421 char thinkOutput1[MSG_SIZ*10];
423 ChessProgramState first, second, pairing;
425 /* premove variables */
428 int premoveFromX = 0;
429 int premoveFromY = 0;
430 int premovePromoChar = 0;
432 Boolean alarmSounded;
433 /* end premove variables */
435 char *ics_prefix = "$";
436 int ics_type = ICS_GENERIC;
438 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
439 int pauseExamForwardMostMove = 0;
440 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
441 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
442 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
443 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
444 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
445 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
446 int whiteFlag = FALSE, blackFlag = FALSE;
447 int userOfferedDraw = FALSE;
448 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
449 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
450 int cmailMoveType[CMAIL_MAX_GAMES];
451 long ics_clock_paused = 0;
452 ProcRef icsPR = NoProc, cmailPR = NoProc;
453 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
454 GameMode gameMode = BeginningOfGame;
455 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
456 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
457 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
458 int hiddenThinkOutputState = 0; /* [AS] */
459 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
460 int adjudicateLossPlies = 6;
461 char white_holding[64], black_holding[64];
462 TimeMark lastNodeCountTime;
463 long lastNodeCount=0;
464 int shiftKey; // [HGM] set by mouse handler
466 int have_sent_ICS_logon = 0;
468 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
469 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
470 long timeControl_2; /* [AS] Allow separate time controls */
471 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
472 long timeRemaining[2][MAX_MOVES];
473 int matchGame = 0, nextGame = 0, roundNr = 0;
474 Boolean waitingForGame = FALSE;
475 TimeMark programStartTime, pauseStart;
476 char ics_handle[MSG_SIZ];
477 int have_set_title = 0;
479 /* animateTraining preserves the state of appData.animate
480 * when Training mode is activated. This allows the
481 * response to be animated when appData.animate == TRUE and
482 * appData.animateDragging == TRUE.
484 Boolean animateTraining;
490 Board boards[MAX_MOVES];
491 /* [HGM] Following 7 needed for accurate legality tests: */
492 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
493 signed char initialRights[BOARD_FILES];
494 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
495 int initialRulePlies, FENrulePlies;
496 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
498 Boolean shuffleOpenings;
499 int mute; // mute all sounds
501 // [HGM] vari: next 12 to save and restore variations
502 #define MAX_VARIATIONS 10
503 int framePtr = MAX_MOVES-1; // points to free stack entry
505 int savedFirst[MAX_VARIATIONS];
506 int savedLast[MAX_VARIATIONS];
507 int savedFramePtr[MAX_VARIATIONS];
508 char *savedDetails[MAX_VARIATIONS];
509 ChessMove savedResult[MAX_VARIATIONS];
511 void PushTail P((int firstMove, int lastMove));
512 Boolean PopTail P((Boolean annotate));
513 void PushInner P((int firstMove, int lastMove));
514 void PopInner P((Boolean annotate));
515 void CleanupTail P((void));
517 ChessSquare FIDEArray[2][BOARD_FILES] = {
518 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
519 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
521 BlackKing, BlackBishop, BlackKnight, BlackRook }
524 ChessSquare twoKingsArray[2][BOARD_FILES] = {
525 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
526 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
527 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
528 BlackKing, BlackKing, BlackKnight, BlackRook }
531 ChessSquare KnightmateArray[2][BOARD_FILES] = {
532 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
533 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
534 { BlackRook, BlackMan, BlackBishop, BlackQueen,
535 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
538 ChessSquare SpartanArray[2][BOARD_FILES] = {
539 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
540 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
541 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
542 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
545 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
546 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
547 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
548 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
549 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
552 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
553 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
554 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
556 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
559 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
560 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
561 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
562 { BlackRook, BlackKnight, BlackMan, BlackFerz,
563 BlackKing, BlackMan, BlackKnight, BlackRook }
567 #if (BOARD_FILES>=10)
568 ChessSquare ShogiArray[2][BOARD_FILES] = {
569 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
570 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
571 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
572 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
575 ChessSquare XiangqiArray[2][BOARD_FILES] = {
576 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
577 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
579 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
582 ChessSquare CapablancaArray[2][BOARD_FILES] = {
583 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
584 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
585 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
586 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
589 ChessSquare GreatArray[2][BOARD_FILES] = {
590 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
591 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
592 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
593 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
596 ChessSquare JanusArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
598 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
599 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
600 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
603 ChessSquare GrandArray[2][BOARD_FILES] = {
604 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
605 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
606 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
607 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
611 ChessSquare GothicArray[2][BOARD_FILES] = {
612 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
613 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
614 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
615 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
618 #define GothicArray CapablancaArray
622 ChessSquare FalconArray[2][BOARD_FILES] = {
623 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
624 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
625 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
626 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
629 #define FalconArray CapablancaArray
632 #else // !(BOARD_FILES>=10)
633 #define XiangqiPosition FIDEArray
634 #define CapablancaArray FIDEArray
635 #define GothicArray FIDEArray
636 #define GreatArray FIDEArray
637 #endif // !(BOARD_FILES>=10)
639 #if (BOARD_FILES>=12)
640 ChessSquare CourierArray[2][BOARD_FILES] = {
641 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
642 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
643 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
644 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
646 #else // !(BOARD_FILES>=12)
647 #define CourierArray CapablancaArray
648 #endif // !(BOARD_FILES>=12)
651 Board initialPosition;
654 /* Convert str to a rating. Checks for special cases of "----",
656 "++++", etc. Also strips ()'s */
658 string_to_rating(str)
661 while(*str && !isdigit(*str)) ++str;
663 return 0; /* One of the special "no rating" cases */
671 /* Init programStats */
672 programStats.movelist[0] = 0;
673 programStats.depth = 0;
674 programStats.nr_moves = 0;
675 programStats.moves_left = 0;
676 programStats.nodes = 0;
677 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
678 programStats.score = 0;
679 programStats.got_only_move = 0;
680 programStats.got_fail = 0;
681 programStats.line_is_book = 0;
686 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
687 if (appData.firstPlaysBlack) {
688 first.twoMachinesColor = "black\n";
689 second.twoMachinesColor = "white\n";
691 first.twoMachinesColor = "white\n";
692 second.twoMachinesColor = "black\n";
695 first.other = &second;
696 second.other = &first;
699 if(appData.timeOddsMode) {
700 norm = appData.timeOdds[0];
701 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
703 first.timeOdds = appData.timeOdds[0]/norm;
704 second.timeOdds = appData.timeOdds[1]/norm;
707 if(programVersion) free(programVersion);
708 if (appData.noChessProgram) {
709 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
710 sprintf(programVersion, "%s", PACKAGE_STRING);
712 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
713 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
714 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
719 UnloadEngine(ChessProgramState *cps)
721 /* Kill off first chess program */
722 if (cps->isr != NULL)
723 RemoveInputSource(cps->isr);
726 if (cps->pr != NoProc) {
728 DoSleep( appData.delayBeforeQuit );
729 SendToProgram("quit\n", cps);
730 DoSleep( appData.delayAfterQuit );
731 DestroyChildProcess(cps->pr, cps->useSigterm);
734 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
738 ClearOptions(ChessProgramState *cps)
741 cps->nrOptions = cps->comboCnt = 0;
742 for(i=0; i<MAX_OPTIONS; i++) {
743 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
744 cps->option[i].textValue = 0;
748 char *engineNames[] = {
754 InitEngine(ChessProgramState *cps, int n)
755 { // [HGM] all engine initialiation put in a function that does one engine
759 cps->which = engineNames[n];
760 cps->maybeThinking = FALSE;
764 cps->sendDrawOffers = 1;
766 cps->program = appData.chessProgram[n];
767 cps->host = appData.host[n];
768 cps->dir = appData.directory[n];
769 cps->initString = appData.engInitString[n];
770 cps->computerString = appData.computerString[n];
771 cps->useSigint = TRUE;
772 cps->useSigterm = TRUE;
773 cps->reuse = appData.reuse[n];
774 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
775 cps->useSetboard = FALSE;
777 cps->usePing = FALSE;
780 cps->usePlayother = FALSE;
781 cps->useColors = TRUE;
782 cps->useUsermove = FALSE;
783 cps->sendICS = FALSE;
784 cps->sendName = appData.icsActive;
785 cps->sdKludge = FALSE;
786 cps->stKludge = FALSE;
787 TidyProgramName(cps->program, cps->host, cps->tidy);
789 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
790 cps->analysisSupport = 2; /* detect */
791 cps->analyzing = FALSE;
792 cps->initDone = FALSE;
794 /* New features added by Tord: */
795 cps->useFEN960 = FALSE;
796 cps->useOOCastle = TRUE;
797 /* End of new features added by Tord. */
798 cps->fenOverride = appData.fenOverride[n];
800 /* [HGM] time odds: set factor for each machine */
801 cps->timeOdds = appData.timeOdds[n];
803 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
804 cps->accumulateTC = appData.accumulateTC[n];
805 cps->maxNrOfSessions = 1;
810 cps->supportsNPS = UNKNOWN;
811 cps->memSize = FALSE;
812 cps->maxCores = FALSE;
813 cps->egtFormats[0] = NULLCHAR;
816 cps->optionSettings = appData.engOptions[n];
818 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
819 cps->isUCI = appData.isUCI[n]; /* [AS] */
820 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
822 if (appData.protocolVersion[n] > PROTOVER
823 || appData.protocolVersion[n] < 1)
828 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
829 appData.protocolVersion[n]);
830 if( (len > MSG_SIZ) && appData.debugMode )
831 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
833 DisplayFatalError(buf, 0, 2);
837 cps->protocolVersion = appData.protocolVersion[n];
840 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
843 ChessProgramState *savCps;
849 if(WaitForEngine(savCps, LoadEngine)) return;
850 CommonEngineInit(); // recalculate time odds
851 if(gameInfo.variant != StringToVariant(appData.variant)) {
852 // we changed variant when loading the engine; this forces us to reset
853 Reset(TRUE, savCps != &first);
854 EditGameEvent(); // for consistency with other path, as Reset changes mode
856 InitChessProgram(savCps, FALSE);
857 SendToProgram("force\n", savCps);
858 DisplayMessage("", "");
859 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
860 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
866 ReplaceEngine(ChessProgramState *cps, int n)
870 appData.noChessProgram = FALSE;
871 appData.clockMode = TRUE;
874 if(n) return; // only startup first engine immediately; second can wait
875 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
879 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
880 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
882 static char resetOptions[] =
883 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
884 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
887 Load(ChessProgramState *cps, int i)
889 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
890 if(engineLine[0]) { // an engine was selected from the combo box
891 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
892 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
893 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
894 ParseArgsFromString(buf);
896 ReplaceEngine(cps, i);
900 while(q = strchr(p, SLASH)) p = q+1;
901 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
902 if(engineDir[0] != NULLCHAR)
903 appData.directory[i] = engineDir;
904 else if(p != engineName) { // derive directory from engine path, when not given
906 appData.directory[i] = strdup(engineName);
908 } else appData.directory[i] = ".";
909 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
911 snprintf(command, MSG_SIZ, "%s %s", p, params);
914 appData.chessProgram[i] = strdup(p);
915 appData.isUCI[i] = isUCI;
916 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
917 appData.hasOwnBookUCI[i] = hasBook;
918 if(!nickName[0]) useNick = FALSE;
919 if(useNick) ASSIGN(appData.pgnName[i], nickName);
923 q = firstChessProgramNames;
924 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
925 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
926 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
927 quote, p, quote, appData.directory[i],
928 useNick ? " -fn \"" : "",
929 useNick ? nickName : "",
931 v1 ? " -firstProtocolVersion 1" : "",
932 hasBook ? "" : " -fNoOwnBookUCI",
933 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
934 storeVariant ? " -variant " : "",
935 storeVariant ? VariantName(gameInfo.variant) : "");
936 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
937 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
940 ReplaceEngine(cps, i);
946 int matched, min, sec;
948 * Parse timeControl resource
950 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
951 appData.movesPerSession)) {
953 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
954 DisplayFatalError(buf, 0, 2);
958 * Parse searchTime resource
960 if (*appData.searchTime != NULLCHAR) {
961 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
963 searchTime = min * 60;
964 } else if (matched == 2) {
965 searchTime = min * 60 + sec;
968 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
969 DisplayFatalError(buf, 0, 2);
978 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
979 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
981 GetTimeMark(&programStartTime);
982 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
983 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
986 programStats.ok_to_send = 1;
987 programStats.seen_stat = 0;
990 * Initialize game list
996 * Internet chess server status
998 if (appData.icsActive) {
999 appData.matchMode = FALSE;
1000 appData.matchGames = 0;
1002 appData.noChessProgram = !appData.zippyPlay;
1004 appData.zippyPlay = FALSE;
1005 appData.zippyTalk = FALSE;
1006 appData.noChessProgram = TRUE;
1008 if (*appData.icsHelper != NULLCHAR) {
1009 appData.useTelnet = TRUE;
1010 appData.telnetProgram = appData.icsHelper;
1013 appData.zippyTalk = appData.zippyPlay = FALSE;
1016 /* [AS] Initialize pv info list [HGM] and game state */
1020 for( i=0; i<=framePtr; i++ ) {
1021 pvInfoList[i].depth = -1;
1022 boards[i][EP_STATUS] = EP_NONE;
1023 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1029 /* [AS] Adjudication threshold */
1030 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1032 InitEngine(&first, 0);
1033 InitEngine(&second, 1);
1036 pairing.which = "pairing"; // pairing engine
1037 pairing.pr = NoProc;
1039 pairing.program = appData.pairingEngine;
1040 pairing.host = "localhost";
1043 if (appData.icsActive) {
1044 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1045 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1046 appData.clockMode = FALSE;
1047 first.sendTime = second.sendTime = 0;
1051 /* Override some settings from environment variables, for backward
1052 compatibility. Unfortunately it's not feasible to have the env
1053 vars just set defaults, at least in xboard. Ugh.
1055 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1060 if (!appData.icsActive) {
1064 /* Check for variants that are supported only in ICS mode,
1065 or not at all. Some that are accepted here nevertheless
1066 have bugs; see comments below.
1068 VariantClass variant = StringToVariant(appData.variant);
1070 case VariantBughouse: /* need four players and two boards */
1071 case VariantKriegspiel: /* need to hide pieces and move details */
1072 /* case VariantFischeRandom: (Fabien: moved below) */
1073 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1074 if( (len > MSG_SIZ) && appData.debugMode )
1075 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1077 DisplayFatalError(buf, 0, 2);
1080 case VariantUnknown:
1081 case VariantLoadable:
1091 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1092 if( (len > MSG_SIZ) && appData.debugMode )
1093 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1095 DisplayFatalError(buf, 0, 2);
1098 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1099 case VariantFairy: /* [HGM] TestLegality definitely off! */
1100 case VariantGothic: /* [HGM] should work */
1101 case VariantCapablanca: /* [HGM] should work */
1102 case VariantCourier: /* [HGM] initial forced moves not implemented */
1103 case VariantShogi: /* [HGM] could still mate with pawn drop */
1104 case VariantKnightmate: /* [HGM] should work */
1105 case VariantCylinder: /* [HGM] untested */
1106 case VariantFalcon: /* [HGM] untested */
1107 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1108 offboard interposition not understood */
1109 case VariantNormal: /* definitely works! */
1110 case VariantWildCastle: /* pieces not automatically shuffled */
1111 case VariantNoCastle: /* pieces not automatically shuffled */
1112 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1113 case VariantLosers: /* should work except for win condition,
1114 and doesn't know captures are mandatory */
1115 case VariantSuicide: /* should work except for win condition,
1116 and doesn't know captures are mandatory */
1117 case VariantGiveaway: /* should work except for win condition,
1118 and doesn't know captures are mandatory */
1119 case VariantTwoKings: /* should work */
1120 case VariantAtomic: /* should work except for win condition */
1121 case Variant3Check: /* should work except for win condition */
1122 case VariantShatranj: /* should work except for all win conditions */
1123 case VariantMakruk: /* should work except for draw countdown */
1124 case VariantBerolina: /* might work if TestLegality is off */
1125 case VariantCapaRandom: /* should work */
1126 case VariantJanus: /* should work */
1127 case VariantSuper: /* experimental */
1128 case VariantGreat: /* experimental, requires legality testing to be off */
1129 case VariantSChess: /* S-Chess, should work */
1130 case VariantGrand: /* should work */
1131 case VariantSpartan: /* should work */
1138 int NextIntegerFromString( char ** str, long * value )
1143 while( *s == ' ' || *s == '\t' ) {
1149 if( *s >= '0' && *s <= '9' ) {
1150 while( *s >= '0' && *s <= '9' ) {
1151 *value = *value * 10 + (*s - '0');
1163 int NextTimeControlFromString( char ** str, long * value )
1166 int result = NextIntegerFromString( str, &temp );
1169 *value = temp * 60; /* Minutes */
1170 if( **str == ':' ) {
1172 result = NextIntegerFromString( str, &temp );
1173 *value += temp; /* Seconds */
1180 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1181 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1182 int result = -1, type = 0; long temp, temp2;
1184 if(**str != ':') return -1; // old params remain in force!
1186 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1187 if( NextIntegerFromString( str, &temp ) ) return -1;
1188 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1191 /* time only: incremental or sudden-death time control */
1192 if(**str == '+') { /* increment follows; read it */
1194 if(**str == '!') type = *(*str)++; // Bronstein TC
1195 if(result = NextIntegerFromString( str, &temp2)) return -1;
1196 *inc = temp2 * 1000;
1197 if(**str == '.') { // read fraction of increment
1198 char *start = ++(*str);
1199 if(result = NextIntegerFromString( str, &temp2)) return -1;
1201 while(start++ < *str) temp2 /= 10;
1205 *moves = 0; *tc = temp * 1000; *incType = type;
1209 (*str)++; /* classical time control */
1210 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1221 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1222 { /* [HGM] get time to add from the multi-session time-control string */
1223 int incType, moves=1; /* kludge to force reading of first session */
1224 long time, increment;
1227 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1228 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1230 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1231 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1232 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1233 if(movenr == -1) return time; /* last move before new session */
1234 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1235 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1236 if(!moves) return increment; /* current session is incremental */
1237 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1238 } while(movenr >= -1); /* try again for next session */
1240 return 0; // no new time quota on this move
1244 ParseTimeControl(tc, ti, mps)
1251 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1254 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1255 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1256 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1260 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1262 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1265 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1267 snprintf(buf, MSG_SIZ, ":%s", mytc);
1269 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1271 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1276 /* Parse second time control */
1279 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1287 timeControl_2 = tc2 * 1000;
1297 timeControl = tc1 * 1000;
1300 timeIncrement = ti * 1000; /* convert to ms */
1301 movesPerSession = 0;
1304 movesPerSession = mps;
1312 if (appData.debugMode) {
1313 fprintf(debugFP, "%s\n", programVersion);
1316 set_cont_sequence(appData.wrapContSeq);
1317 if (appData.matchGames > 0) {
1318 appData.matchMode = TRUE;
1319 } else if (appData.matchMode) {
1320 appData.matchGames = 1;
1322 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1323 appData.matchGames = appData.sameColorGames;
1324 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1325 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1326 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1329 if (appData.noChessProgram || first.protocolVersion == 1) {
1332 /* kludge: allow timeout for initial "feature" commands */
1334 DisplayMessage("", _("Starting chess program"));
1335 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1340 CalculateIndex(int index, int gameNr)
1341 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1343 if(index > 0) return index; // fixed nmber
1344 if(index == 0) return 1;
1345 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1346 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1351 LoadGameOrPosition(int gameNr)
1352 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1353 if (*appData.loadGameFile != NULLCHAR) {
1354 if (!LoadGameFromFile(appData.loadGameFile,
1355 CalculateIndex(appData.loadGameIndex, gameNr),
1356 appData.loadGameFile, FALSE)) {
1357 DisplayFatalError(_("Bad game file"), 0, 1);
1360 } else if (*appData.loadPositionFile != NULLCHAR) {
1361 if (!LoadPositionFromFile(appData.loadPositionFile,
1362 CalculateIndex(appData.loadPositionIndex, gameNr),
1363 appData.loadPositionFile)) {
1364 DisplayFatalError(_("Bad position file"), 0, 1);
1372 ReserveGame(int gameNr, char resChar)
1374 FILE *tf = fopen(appData.tourneyFile, "r+");
1375 char *p, *q, c, buf[MSG_SIZ];
1376 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1377 safeStrCpy(buf, lastMsg, MSG_SIZ);
1378 DisplayMessage(_("Pick new game"), "");
1379 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1380 ParseArgsFromFile(tf);
1381 p = q = appData.results;
1382 if(appData.debugMode) {
1383 char *r = appData.participants;
1384 fprintf(debugFP, "results = '%s'\n", p);
1385 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1386 fprintf(debugFP, "\n");
1388 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1390 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1391 safeStrCpy(q, p, strlen(p) + 2);
1392 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1393 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1394 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1395 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1398 fseek(tf, -(strlen(p)+4), SEEK_END);
1400 if(c != '"') // depending on DOS or Unix line endings we can be one off
1401 fseek(tf, -(strlen(p)+2), SEEK_END);
1402 else fseek(tf, -(strlen(p)+3), SEEK_END);
1403 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1404 DisplayMessage(buf, "");
1405 free(p); appData.results = q;
1406 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1407 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1408 UnloadEngine(&first); // next game belongs to other pairing;
1409 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1414 MatchEvent(int mode)
1415 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1417 if(matchMode) { // already in match mode: switch it off
1419 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1422 // if(gameMode != BeginningOfGame) {
1423 // DisplayError(_("You can only start a match from the initial position."), 0);
1427 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1428 /* Set up machine vs. machine match */
1430 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1431 if(appData.tourneyFile[0]) {
1433 if(nextGame > appData.matchGames) {
1435 if(strchr(appData.results, '*') == NULL) {
1437 appData.tourneyCycles++;
1438 if(f = WriteTourneyFile(appData.results)) { // make a tourney file with increased number of cycles
1440 NextTourneyGame(-1, &dummy);
1442 if(nextGame <= appData.matchGames) {
1443 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1445 ScheduleDelayedEvent(NextMatchGame, 10000);
1450 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1451 DisplayError(buf, 0);
1452 appData.tourneyFile[0] = 0;
1456 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1457 DisplayFatalError(_("Can't have a match with no chess programs"),
1462 matchGame = roundNr = 1;
1463 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1468 InitBackEnd3 P((void))
1470 GameMode initialMode;
1474 InitChessProgram(&first, startedFromSetupPosition);
1476 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1477 free(programVersion);
1478 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1479 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1482 if (appData.icsActive) {
1484 /* [DM] Make a console window if needed [HGM] merged ifs */
1490 if (*appData.icsCommPort != NULLCHAR)
1491 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1492 appData.icsCommPort);
1494 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1495 appData.icsHost, appData.icsPort);
1497 if( (len > MSG_SIZ) && appData.debugMode )
1498 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1500 DisplayFatalError(buf, err, 1);
1505 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1507 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1508 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1509 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1510 } else if (appData.noChessProgram) {
1516 if (*appData.cmailGameName != NULLCHAR) {
1518 OpenLoopback(&cmailPR);
1520 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1524 DisplayMessage("", "");
1525 if (StrCaseCmp(appData.initialMode, "") == 0) {
1526 initialMode = BeginningOfGame;
1527 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1528 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1529 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1530 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1533 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1534 initialMode = TwoMachinesPlay;
1535 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1536 initialMode = AnalyzeFile;
1537 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1538 initialMode = AnalyzeMode;
1539 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1540 initialMode = MachinePlaysWhite;
1541 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1542 initialMode = MachinePlaysBlack;
1543 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1544 initialMode = EditGame;
1545 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1546 initialMode = EditPosition;
1547 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1548 initialMode = Training;
1550 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1551 if( (len > MSG_SIZ) && appData.debugMode )
1552 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1554 DisplayFatalError(buf, 0, 2);
1558 if (appData.matchMode) {
1559 if(appData.tourneyFile[0]) { // start tourney from command line
1561 if(f = fopen(appData.tourneyFile, "r")) {
1562 ParseArgsFromFile(f); // make sure tourney parmeters re known
1564 appData.clockMode = TRUE;
1566 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1569 } else if (*appData.cmailGameName != NULLCHAR) {
1570 /* Set up cmail mode */
1571 ReloadCmailMsgEvent(TRUE);
1573 /* Set up other modes */
1574 if (initialMode == AnalyzeFile) {
1575 if (*appData.loadGameFile == NULLCHAR) {
1576 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1580 if (*appData.loadGameFile != NULLCHAR) {
1581 (void) LoadGameFromFile(appData.loadGameFile,
1582 appData.loadGameIndex,
1583 appData.loadGameFile, TRUE);
1584 } else if (*appData.loadPositionFile != NULLCHAR) {
1585 (void) LoadPositionFromFile(appData.loadPositionFile,
1586 appData.loadPositionIndex,
1587 appData.loadPositionFile);
1588 /* [HGM] try to make self-starting even after FEN load */
1589 /* to allow automatic setup of fairy variants with wtm */
1590 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1591 gameMode = BeginningOfGame;
1592 setboardSpoiledMachineBlack = 1;
1594 /* [HGM] loadPos: make that every new game uses the setup */
1595 /* from file as long as we do not switch variant */
1596 if(!blackPlaysFirst) {
1597 startedFromPositionFile = TRUE;
1598 CopyBoard(filePosition, boards[0]);
1601 if (initialMode == AnalyzeMode) {
1602 if (appData.noChessProgram) {
1603 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1606 if (appData.icsActive) {
1607 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1611 } else if (initialMode == AnalyzeFile) {
1612 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1613 ShowThinkingEvent();
1615 AnalysisPeriodicEvent(1);
1616 } else if (initialMode == MachinePlaysWhite) {
1617 if (appData.noChessProgram) {
1618 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1622 if (appData.icsActive) {
1623 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1627 MachineWhiteEvent();
1628 } else if (initialMode == MachinePlaysBlack) {
1629 if (appData.noChessProgram) {
1630 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1634 if (appData.icsActive) {
1635 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1639 MachineBlackEvent();
1640 } else if (initialMode == TwoMachinesPlay) {
1641 if (appData.noChessProgram) {
1642 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1646 if (appData.icsActive) {
1647 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1652 } else if (initialMode == EditGame) {
1654 } else if (initialMode == EditPosition) {
1655 EditPositionEvent();
1656 } else if (initialMode == Training) {
1657 if (*appData.loadGameFile == NULLCHAR) {
1658 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1667 * Establish will establish a contact to a remote host.port.
1668 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1669 * used to talk to the host.
1670 * Returns 0 if okay, error code if not.
1677 if (*appData.icsCommPort != NULLCHAR) {
1678 /* Talk to the host through a serial comm port */
1679 return OpenCommPort(appData.icsCommPort, &icsPR);
1681 } else if (*appData.gateway != NULLCHAR) {
1682 if (*appData.remoteShell == NULLCHAR) {
1683 /* Use the rcmd protocol to run telnet program on a gateway host */
1684 snprintf(buf, sizeof(buf), "%s %s %s",
1685 appData.telnetProgram, appData.icsHost, appData.icsPort);
1686 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1689 /* Use the rsh program to run telnet program on a gateway host */
1690 if (*appData.remoteUser == NULLCHAR) {
1691 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1692 appData.gateway, appData.telnetProgram,
1693 appData.icsHost, appData.icsPort);
1695 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1696 appData.remoteShell, appData.gateway,
1697 appData.remoteUser, appData.telnetProgram,
1698 appData.icsHost, appData.icsPort);
1700 return StartChildProcess(buf, "", &icsPR);
1703 } else if (appData.useTelnet) {
1704 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1707 /* TCP socket interface differs somewhat between
1708 Unix and NT; handle details in the front end.
1710 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1714 void EscapeExpand(char *p, char *q)
1715 { // [HGM] initstring: routine to shape up string arguments
1716 while(*p++ = *q++) if(p[-1] == '\\')
1718 case 'n': p[-1] = '\n'; break;
1719 case 'r': p[-1] = '\r'; break;
1720 case 't': p[-1] = '\t'; break;
1721 case '\\': p[-1] = '\\'; break;
1722 case 0: *p = 0; return;
1723 default: p[-1] = q[-1]; break;
1728 show_bytes(fp, buf, count)
1734 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1735 fprintf(fp, "\\%03o", *buf & 0xff);
1744 /* Returns an errno value */
1746 OutputMaybeTelnet(pr, message, count, outError)
1752 char buf[8192], *p, *q, *buflim;
1753 int left, newcount, outcount;
1755 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1756 *appData.gateway != NULLCHAR) {
1757 if (appData.debugMode) {
1758 fprintf(debugFP, ">ICS: ");
1759 show_bytes(debugFP, message, count);
1760 fprintf(debugFP, "\n");
1762 return OutputToProcess(pr, message, count, outError);
1765 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1772 if (appData.debugMode) {
1773 fprintf(debugFP, ">ICS: ");
1774 show_bytes(debugFP, buf, newcount);
1775 fprintf(debugFP, "\n");
1777 outcount = OutputToProcess(pr, buf, newcount, outError);
1778 if (outcount < newcount) return -1; /* to be sure */
1785 } else if (((unsigned char) *p) == TN_IAC) {
1786 *q++ = (char) TN_IAC;
1793 if (appData.debugMode) {
1794 fprintf(debugFP, ">ICS: ");
1795 show_bytes(debugFP, buf, newcount);
1796 fprintf(debugFP, "\n");
1798 outcount = OutputToProcess(pr, buf, newcount, outError);
1799 if (outcount < newcount) return -1; /* to be sure */
1804 read_from_player(isr, closure, message, count, error)
1811 int outError, outCount;
1812 static int gotEof = 0;
1814 /* Pass data read from player on to ICS */
1817 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1818 if (outCount < count) {
1819 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1821 } else if (count < 0) {
1822 RemoveInputSource(isr);
1823 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1824 } else if (gotEof++ > 0) {
1825 RemoveInputSource(isr);
1826 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1832 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1833 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1834 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1835 SendToICS("date\n");
1836 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1839 /* added routine for printf style output to ics */
1840 void ics_printf(char *format, ...)
1842 char buffer[MSG_SIZ];
1845 va_start(args, format);
1846 vsnprintf(buffer, sizeof(buffer), format, args);
1847 buffer[sizeof(buffer)-1] = '\0';
1856 int count, outCount, outError;
1858 if (icsPR == NULL) return;
1861 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1862 if (outCount < count) {
1863 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1867 /* This is used for sending logon scripts to the ICS. Sending
1868 without a delay causes problems when using timestamp on ICC
1869 (at least on my machine). */
1871 SendToICSDelayed(s,msdelay)
1875 int count, outCount, outError;
1877 if (icsPR == NULL) return;
1880 if (appData.debugMode) {
1881 fprintf(debugFP, ">ICS: ");
1882 show_bytes(debugFP, s, count);
1883 fprintf(debugFP, "\n");
1885 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1887 if (outCount < count) {
1888 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1893 /* Remove all highlighting escape sequences in s
1894 Also deletes any suffix starting with '('
1897 StripHighlightAndTitle(s)
1900 static char retbuf[MSG_SIZ];
1903 while (*s != NULLCHAR) {
1904 while (*s == '\033') {
1905 while (*s != NULLCHAR && !isalpha(*s)) s++;
1906 if (*s != NULLCHAR) s++;
1908 while (*s != NULLCHAR && *s != '\033') {
1909 if (*s == '(' || *s == '[') {
1920 /* Remove all highlighting escape sequences in s */
1925 static char retbuf[MSG_SIZ];
1928 while (*s != NULLCHAR) {
1929 while (*s == '\033') {
1930 while (*s != NULLCHAR && !isalpha(*s)) s++;
1931 if (*s != NULLCHAR) s++;
1933 while (*s != NULLCHAR && *s != '\033') {
1941 char *variantNames[] = VARIANT_NAMES;
1946 return variantNames[v];
1950 /* Identify a variant from the strings the chess servers use or the
1951 PGN Variant tag names we use. */
1958 VariantClass v = VariantNormal;
1959 int i, found = FALSE;
1965 /* [HGM] skip over optional board-size prefixes */
1966 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1967 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1968 while( *e++ != '_');
1971 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1975 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1976 if (StrCaseStr(e, variantNames[i])) {
1977 v = (VariantClass) i;
1984 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1985 || StrCaseStr(e, "wild/fr")
1986 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1987 v = VariantFischeRandom;
1988 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1989 (i = 1, p = StrCaseStr(e, "w"))) {
1991 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1998 case 0: /* FICS only, actually */
2000 /* Castling legal even if K starts on d-file */
2001 v = VariantWildCastle;
2006 /* Castling illegal even if K & R happen to start in
2007 normal positions. */
2008 v = VariantNoCastle;
2021 /* Castling legal iff K & R start in normal positions */
2027 /* Special wilds for position setup; unclear what to do here */
2028 v = VariantLoadable;
2031 /* Bizarre ICC game */
2032 v = VariantTwoKings;
2035 v = VariantKriegspiel;
2041 v = VariantFischeRandom;
2044 v = VariantCrazyhouse;
2047 v = VariantBughouse;
2053 /* Not quite the same as FICS suicide! */
2054 v = VariantGiveaway;
2060 v = VariantShatranj;
2063 /* Temporary names for future ICC types. The name *will* change in
2064 the next xboard/WinBoard release after ICC defines it. */
2102 v = VariantCapablanca;
2105 v = VariantKnightmate;
2111 v = VariantCylinder;
2117 v = VariantCapaRandom;
2120 v = VariantBerolina;
2132 /* Found "wild" or "w" in the string but no number;
2133 must assume it's normal chess. */
2137 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2138 if( (len > MSG_SIZ) && appData.debugMode )
2139 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2141 DisplayError(buf, 0);
2147 if (appData.debugMode) {
2148 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2149 e, wnum, VariantName(v));
2154 static int leftover_start = 0, leftover_len = 0;
2155 char star_match[STAR_MATCH_N][MSG_SIZ];
2157 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2158 advance *index beyond it, and set leftover_start to the new value of
2159 *index; else return FALSE. If pattern contains the character '*', it
2160 matches any sequence of characters not containing '\r', '\n', or the
2161 character following the '*' (if any), and the matched sequence(s) are
2162 copied into star_match.
2165 looking_at(buf, index, pattern)
2170 char *bufp = &buf[*index], *patternp = pattern;
2172 char *matchp = star_match[0];
2175 if (*patternp == NULLCHAR) {
2176 *index = leftover_start = bufp - buf;
2180 if (*bufp == NULLCHAR) return FALSE;
2181 if (*patternp == '*') {
2182 if (*bufp == *(patternp + 1)) {
2184 matchp = star_match[++star_count];
2188 } else if (*bufp == '\n' || *bufp == '\r') {
2190 if (*patternp == NULLCHAR)
2195 *matchp++ = *bufp++;
2199 if (*patternp != *bufp) return FALSE;
2206 SendToPlayer(data, length)
2210 int error, outCount;
2211 outCount = OutputToProcess(NoProc, data, length, &error);
2212 if (outCount < length) {
2213 DisplayFatalError(_("Error writing to display"), error, 1);
2218 PackHolding(packed, holding)
2230 switch (runlength) {
2241 sprintf(q, "%d", runlength);
2253 /* Telnet protocol requests from the front end */
2255 TelnetRequest(ddww, option)
2256 unsigned char ddww, option;
2258 unsigned char msg[3];
2259 int outCount, outError;
2261 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2263 if (appData.debugMode) {
2264 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2280 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2289 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2292 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2297 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2299 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2306 if (!appData.icsActive) return;
2307 TelnetRequest(TN_DO, TN_ECHO);
2313 if (!appData.icsActive) return;
2314 TelnetRequest(TN_DONT, TN_ECHO);
2318 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2320 /* put the holdings sent to us by the server on the board holdings area */
2321 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2325 if(gameInfo.holdingsWidth < 2) return;
2326 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2327 return; // prevent overwriting by pre-board holdings
2329 if( (int)lowestPiece >= BlackPawn ) {
2332 holdingsStartRow = BOARD_HEIGHT-1;
2335 holdingsColumn = BOARD_WIDTH-1;
2336 countsColumn = BOARD_WIDTH-2;
2337 holdingsStartRow = 0;
2341 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2342 board[i][holdingsColumn] = EmptySquare;
2343 board[i][countsColumn] = (ChessSquare) 0;
2345 while( (p=*holdings++) != NULLCHAR ) {
2346 piece = CharToPiece( ToUpper(p) );
2347 if(piece == EmptySquare) continue;
2348 /*j = (int) piece - (int) WhitePawn;*/
2349 j = PieceToNumber(piece);
2350 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2351 if(j < 0) continue; /* should not happen */
2352 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2353 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2354 board[holdingsStartRow+j*direction][countsColumn]++;
2360 VariantSwitch(Board board, VariantClass newVariant)
2362 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2363 static Board oldBoard;
2365 startedFromPositionFile = FALSE;
2366 if(gameInfo.variant == newVariant) return;
2368 /* [HGM] This routine is called each time an assignment is made to
2369 * gameInfo.variant during a game, to make sure the board sizes
2370 * are set to match the new variant. If that means adding or deleting
2371 * holdings, we shift the playing board accordingly
2372 * This kludge is needed because in ICS observe mode, we get boards
2373 * of an ongoing game without knowing the variant, and learn about the
2374 * latter only later. This can be because of the move list we requested,
2375 * in which case the game history is refilled from the beginning anyway,
2376 * but also when receiving holdings of a crazyhouse game. In the latter
2377 * case we want to add those holdings to the already received position.
2381 if (appData.debugMode) {
2382 fprintf(debugFP, "Switch board from %s to %s\n",
2383 VariantName(gameInfo.variant), VariantName(newVariant));
2384 setbuf(debugFP, NULL);
2386 shuffleOpenings = 0; /* [HGM] shuffle */
2387 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2391 newWidth = 9; newHeight = 9;
2392 gameInfo.holdingsSize = 7;
2393 case VariantBughouse:
2394 case VariantCrazyhouse:
2395 newHoldingsWidth = 2; break;
2399 newHoldingsWidth = 2;
2400 gameInfo.holdingsSize = 8;
2403 case VariantCapablanca:
2404 case VariantCapaRandom:
2407 newHoldingsWidth = gameInfo.holdingsSize = 0;
2410 if(newWidth != gameInfo.boardWidth ||
2411 newHeight != gameInfo.boardHeight ||
2412 newHoldingsWidth != gameInfo.holdingsWidth ) {
2414 /* shift position to new playing area, if needed */
2415 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2416 for(i=0; i<BOARD_HEIGHT; i++)
2417 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2418 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2420 for(i=0; i<newHeight; i++) {
2421 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2422 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2424 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2425 for(i=0; i<BOARD_HEIGHT; i++)
2426 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2427 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2430 gameInfo.boardWidth = newWidth;
2431 gameInfo.boardHeight = newHeight;
2432 gameInfo.holdingsWidth = newHoldingsWidth;
2433 gameInfo.variant = newVariant;
2434 InitDrawingSizes(-2, 0);
2435 } else gameInfo.variant = newVariant;
2436 CopyBoard(oldBoard, board); // remember correctly formatted board
2437 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2438 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2441 static int loggedOn = FALSE;
2443 /*-- Game start info cache: --*/
2445 char gs_kind[MSG_SIZ];
2446 static char player1Name[128] = "";
2447 static char player2Name[128] = "";
2448 static char cont_seq[] = "\n\\ ";
2449 static int player1Rating = -1;
2450 static int player2Rating = -1;
2451 /*----------------------------*/
2453 ColorClass curColor = ColorNormal;
2454 int suppressKibitz = 0;
2457 Boolean soughtPending = FALSE;
2458 Boolean seekGraphUp;
2459 #define MAX_SEEK_ADS 200
2461 char *seekAdList[MAX_SEEK_ADS];
2462 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2463 float tcList[MAX_SEEK_ADS];
2464 char colorList[MAX_SEEK_ADS];
2465 int nrOfSeekAds = 0;
2466 int minRating = 1010, maxRating = 2800;
2467 int hMargin = 10, vMargin = 20, h, w;
2468 extern int squareSize, lineGap;
2473 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2474 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2475 if(r < minRating+100 && r >=0 ) r = minRating+100;
2476 if(r > maxRating) r = maxRating;
2477 if(tc < 1.) tc = 1.;
2478 if(tc > 95.) tc = 95.;
2479 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2480 y = ((double)r - minRating)/(maxRating - minRating)
2481 * (h-vMargin-squareSize/8-1) + vMargin;
2482 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2483 if(strstr(seekAdList[i], " u ")) color = 1;
2484 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2485 !strstr(seekAdList[i], "bullet") &&
2486 !strstr(seekAdList[i], "blitz") &&
2487 !strstr(seekAdList[i], "standard") ) color = 2;
2488 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2489 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2493 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2495 char buf[MSG_SIZ], *ext = "";
2496 VariantClass v = StringToVariant(type);
2497 if(strstr(type, "wild")) {
2498 ext = type + 4; // append wild number
2499 if(v == VariantFischeRandom) type = "chess960"; else
2500 if(v == VariantLoadable) type = "setup"; else
2501 type = VariantName(v);
2503 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2504 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2505 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2506 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2507 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2508 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2509 seekNrList[nrOfSeekAds] = nr;
2510 zList[nrOfSeekAds] = 0;
2511 seekAdList[nrOfSeekAds++] = StrSave(buf);
2512 if(plot) PlotSeekAd(nrOfSeekAds-1);
2519 int x = xList[i], y = yList[i], d=squareSize/4, k;
2520 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2521 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2522 // now replot every dot that overlapped
2523 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2524 int xx = xList[k], yy = yList[k];
2525 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2526 DrawSeekDot(xx, yy, colorList[k]);
2531 RemoveSeekAd(int nr)
2534 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2536 if(seekAdList[i]) free(seekAdList[i]);
2537 seekAdList[i] = seekAdList[--nrOfSeekAds];
2538 seekNrList[i] = seekNrList[nrOfSeekAds];
2539 ratingList[i] = ratingList[nrOfSeekAds];
2540 colorList[i] = colorList[nrOfSeekAds];
2541 tcList[i] = tcList[nrOfSeekAds];
2542 xList[i] = xList[nrOfSeekAds];
2543 yList[i] = yList[nrOfSeekAds];
2544 zList[i] = zList[nrOfSeekAds];
2545 seekAdList[nrOfSeekAds] = NULL;
2551 MatchSoughtLine(char *line)
2553 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2554 int nr, base, inc, u=0; char dummy;
2556 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2557 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2559 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2560 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2561 // match: compact and save the line
2562 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2572 if(!seekGraphUp) return FALSE;
2573 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2574 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2576 DrawSeekBackground(0, 0, w, h);
2577 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2578 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2579 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2580 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2582 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2585 snprintf(buf, MSG_SIZ, "%d", i);
2586 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2589 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2590 for(i=1; i<100; i+=(i<10?1:5)) {
2591 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2592 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2593 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2595 snprintf(buf, MSG_SIZ, "%d", i);
2596 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2599 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2603 int SeekGraphClick(ClickType click, int x, int y, int moving)
2605 static int lastDown = 0, displayed = 0, lastSecond;
2606 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2607 if(click == Release || moving) return FALSE;
2609 soughtPending = TRUE;
2610 SendToICS(ics_prefix);
2611 SendToICS("sought\n"); // should this be "sought all"?
2612 } else { // issue challenge based on clicked ad
2613 int dist = 10000; int i, closest = 0, second = 0;
2614 for(i=0; i<nrOfSeekAds; i++) {
2615 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2616 if(d < dist) { dist = d; closest = i; }
2617 second += (d - zList[i] < 120); // count in-range ads
2618 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2622 second = (second > 1);
2623 if(displayed != closest || second != lastSecond) {
2624 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2625 lastSecond = second; displayed = closest;
2627 if(click == Press) {
2628 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2631 } // on press 'hit', only show info
2632 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2633 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2634 SendToICS(ics_prefix);
2636 return TRUE; // let incoming board of started game pop down the graph
2637 } else if(click == Release) { // release 'miss' is ignored
2638 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2639 if(moving == 2) { // right up-click
2640 nrOfSeekAds = 0; // refresh graph
2641 soughtPending = TRUE;
2642 SendToICS(ics_prefix);
2643 SendToICS("sought\n"); // should this be "sought all"?
2646 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2647 // press miss or release hit 'pop down' seek graph
2648 seekGraphUp = FALSE;
2649 DrawPosition(TRUE, NULL);
2655 read_from_ics(isr, closure, data, count, error)
2662 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2663 #define STARTED_NONE 0
2664 #define STARTED_MOVES 1
2665 #define STARTED_BOARD 2
2666 #define STARTED_OBSERVE 3
2667 #define STARTED_HOLDINGS 4
2668 #define STARTED_CHATTER 5
2669 #define STARTED_COMMENT 6
2670 #define STARTED_MOVES_NOHIDE 7
2672 static int started = STARTED_NONE;
2673 static char parse[20000];
2674 static int parse_pos = 0;
2675 static char buf[BUF_SIZE + 1];
2676 static int firstTime = TRUE, intfSet = FALSE;
2677 static ColorClass prevColor = ColorNormal;
2678 static int savingComment = FALSE;
2679 static int cmatch = 0; // continuation sequence match
2686 int backup; /* [DM] For zippy color lines */
2688 char talker[MSG_SIZ]; // [HGM] chat
2691 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2693 if (appData.debugMode) {
2695 fprintf(debugFP, "<ICS: ");
2696 show_bytes(debugFP, data, count);
2697 fprintf(debugFP, "\n");
2701 if (appData.debugMode) { int f = forwardMostMove;
2702 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2703 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2704 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2707 /* If last read ended with a partial line that we couldn't parse,
2708 prepend it to the new read and try again. */
2709 if (leftover_len > 0) {
2710 for (i=0; i<leftover_len; i++)
2711 buf[i] = buf[leftover_start + i];
2714 /* copy new characters into the buffer */
2715 bp = buf + leftover_len;
2716 buf_len=leftover_len;
2717 for (i=0; i<count; i++)
2720 if (data[i] == '\r')
2723 // join lines split by ICS?
2724 if (!appData.noJoin)
2727 Joining just consists of finding matches against the
2728 continuation sequence, and discarding that sequence
2729 if found instead of copying it. So, until a match
2730 fails, there's nothing to do since it might be the
2731 complete sequence, and thus, something we don't want
2734 if (data[i] == cont_seq[cmatch])
2737 if (cmatch == strlen(cont_seq))
2739 cmatch = 0; // complete match. just reset the counter
2742 it's possible for the ICS to not include the space
2743 at the end of the last word, making our [correct]
2744 join operation fuse two separate words. the server
2745 does this when the space occurs at the width setting.
2747 if (!buf_len || buf[buf_len-1] != ' ')
2758 match failed, so we have to copy what matched before
2759 falling through and copying this character. In reality,
2760 this will only ever be just the newline character, but
2761 it doesn't hurt to be precise.
2763 strncpy(bp, cont_seq, cmatch);
2775 buf[buf_len] = NULLCHAR;
2776 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2781 while (i < buf_len) {
2782 /* Deal with part of the TELNET option negotiation
2783 protocol. We refuse to do anything beyond the
2784 defaults, except that we allow the WILL ECHO option,
2785 which ICS uses to turn off password echoing when we are
2786 directly connected to it. We reject this option
2787 if localLineEditing mode is on (always on in xboard)
2788 and we are talking to port 23, which might be a real
2789 telnet server that will try to keep WILL ECHO on permanently.
2791 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2792 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2793 unsigned char option;
2795 switch ((unsigned char) buf[++i]) {
2797 if (appData.debugMode)
2798 fprintf(debugFP, "\n<WILL ");
2799 switch (option = (unsigned char) buf[++i]) {
2801 if (appData.debugMode)
2802 fprintf(debugFP, "ECHO ");
2803 /* Reply only if this is a change, according
2804 to the protocol rules. */
2805 if (remoteEchoOption) break;
2806 if (appData.localLineEditing &&
2807 atoi(appData.icsPort) == TN_PORT) {
2808 TelnetRequest(TN_DONT, TN_ECHO);
2811 TelnetRequest(TN_DO, TN_ECHO);
2812 remoteEchoOption = TRUE;
2816 if (appData.debugMode)
2817 fprintf(debugFP, "%d ", option);
2818 /* Whatever this is, we don't want it. */
2819 TelnetRequest(TN_DONT, option);
2824 if (appData.debugMode)
2825 fprintf(debugFP, "\n<WONT ");
2826 switch (option = (unsigned char) buf[++i]) {
2828 if (appData.debugMode)
2829 fprintf(debugFP, "ECHO ");
2830 /* Reply only if this is a change, according
2831 to the protocol rules. */
2832 if (!remoteEchoOption) break;
2834 TelnetRequest(TN_DONT, TN_ECHO);
2835 remoteEchoOption = FALSE;
2838 if (appData.debugMode)
2839 fprintf(debugFP, "%d ", (unsigned char) option);
2840 /* Whatever this is, it must already be turned
2841 off, because we never agree to turn on
2842 anything non-default, so according to the
2843 protocol rules, we don't reply. */
2848 if (appData.debugMode)
2849 fprintf(debugFP, "\n<DO ");
2850 switch (option = (unsigned char) buf[++i]) {
2852 /* Whatever this is, we refuse to do it. */
2853 if (appData.debugMode)
2854 fprintf(debugFP, "%d ", option);
2855 TelnetRequest(TN_WONT, option);
2860 if (appData.debugMode)
2861 fprintf(debugFP, "\n<DONT ");
2862 switch (option = (unsigned char) buf[++i]) {
2864 if (appData.debugMode)
2865 fprintf(debugFP, "%d ", option);
2866 /* Whatever this is, we are already not doing
2867 it, because we never agree to do anything
2868 non-default, so according to the protocol
2869 rules, we don't reply. */
2874 if (appData.debugMode)
2875 fprintf(debugFP, "\n<IAC ");
2876 /* Doubled IAC; pass it through */
2880 if (appData.debugMode)
2881 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2882 /* Drop all other telnet commands on the floor */
2885 if (oldi > next_out)
2886 SendToPlayer(&buf[next_out], oldi - next_out);
2892 /* OK, this at least will *usually* work */
2893 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2897 if (loggedOn && !intfSet) {
2898 if (ics_type == ICS_ICC) {
2899 snprintf(str, MSG_SIZ,
2900 "/set-quietly interface %s\n/set-quietly style 12\n",
2902 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2903 strcat(str, "/set-2 51 1\n/set seek 1\n");
2904 } else if (ics_type == ICS_CHESSNET) {
2905 snprintf(str, MSG_SIZ, "/style 12\n");
2907 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2908 strcat(str, programVersion);
2909 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2910 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2911 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2913 strcat(str, "$iset nohighlight 1\n");
2915 strcat(str, "$iset lock 1\n$style 12\n");
2918 NotifyFrontendLogin();
2922 if (started == STARTED_COMMENT) {
2923 /* Accumulate characters in comment */
2924 parse[parse_pos++] = buf[i];
2925 if (buf[i] == '\n') {
2926 parse[parse_pos] = NULLCHAR;
2927 if(chattingPartner>=0) {
2929 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2930 OutputChatMessage(chattingPartner, mess);
2931 chattingPartner = -1;
2932 next_out = i+1; // [HGM] suppress printing in ICS window
2934 if(!suppressKibitz) // [HGM] kibitz
2935 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2936 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2937 int nrDigit = 0, nrAlph = 0, j;
2938 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2939 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2940 parse[parse_pos] = NULLCHAR;
2941 // try to be smart: if it does not look like search info, it should go to
2942 // ICS interaction window after all, not to engine-output window.
2943 for(j=0; j<parse_pos; j++) { // count letters and digits
2944 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2945 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2946 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2948 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2949 int depth=0; float score;
2950 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2951 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2952 pvInfoList[forwardMostMove-1].depth = depth;
2953 pvInfoList[forwardMostMove-1].score = 100*score;
2955 OutputKibitz(suppressKibitz, parse);
2958 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2959 SendToPlayer(tmp, strlen(tmp));
2961 next_out = i+1; // [HGM] suppress printing in ICS window
2963 started = STARTED_NONE;
2965 /* Don't match patterns against characters in comment */
2970 if (started == STARTED_CHATTER) {
2971 if (buf[i] != '\n') {
2972 /* Don't match patterns against characters in chatter */
2976 started = STARTED_NONE;
2977 if(suppressKibitz) next_out = i+1;
2980 /* Kludge to deal with rcmd protocol */
2981 if (firstTime && looking_at(buf, &i, "\001*")) {
2982 DisplayFatalError(&buf[1], 0, 1);
2988 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2991 if (appData.debugMode)
2992 fprintf(debugFP, "ics_type %d\n", ics_type);
2995 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2996 ics_type = ICS_FICS;
2998 if (appData.debugMode)
2999 fprintf(debugFP, "ics_type %d\n", ics_type);
3002 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3003 ics_type = ICS_CHESSNET;
3005 if (appData.debugMode)
3006 fprintf(debugFP, "ics_type %d\n", ics_type);
3011 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3012 looking_at(buf, &i, "Logging you in as \"*\"") ||
3013 looking_at(buf, &i, "will be \"*\""))) {
3014 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3018 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3020 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3021 DisplayIcsInteractionTitle(buf);
3022 have_set_title = TRUE;
3025 /* skip finger notes */
3026 if (started == STARTED_NONE &&
3027 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3028 (buf[i] == '1' && buf[i+1] == '0')) &&
3029 buf[i+2] == ':' && buf[i+3] == ' ') {
3030 started = STARTED_CHATTER;
3036 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3037 if(appData.seekGraph) {
3038 if(soughtPending && MatchSoughtLine(buf+i)) {
3039 i = strstr(buf+i, "rated") - buf;
3040 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3041 next_out = leftover_start = i;
3042 started = STARTED_CHATTER;
3043 suppressKibitz = TRUE;
3046 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3047 && looking_at(buf, &i, "* ads displayed")) {
3048 soughtPending = FALSE;
3053 if(appData.autoRefresh) {
3054 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3055 int s = (ics_type == ICS_ICC); // ICC format differs
3057 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3058 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3059 looking_at(buf, &i, "*% "); // eat prompt
3060 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3061 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3062 next_out = i; // suppress
3065 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3066 char *p = star_match[0];
3068 if(seekGraphUp) RemoveSeekAd(atoi(p));
3069 while(*p && *p++ != ' '); // next
3071 looking_at(buf, &i, "*% "); // eat prompt
3072 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3079 /* skip formula vars */
3080 if (started == STARTED_NONE &&
3081 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3082 started = STARTED_CHATTER;
3087 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3088 if (appData.autoKibitz && started == STARTED_NONE &&
3089 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3090 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3091 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3092 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3093 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3094 suppressKibitz = TRUE;
3095 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3097 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3098 && (gameMode == IcsPlayingWhite)) ||
3099 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3100 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3101 started = STARTED_CHATTER; // own kibitz we simply discard
3103 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3104 parse_pos = 0; parse[0] = NULLCHAR;
3105 savingComment = TRUE;
3106 suppressKibitz = gameMode != IcsObserving ? 2 :
3107 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3111 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3112 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3113 && atoi(star_match[0])) {
3114 // suppress the acknowledgements of our own autoKibitz
3116 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3117 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3118 SendToPlayer(star_match[0], strlen(star_match[0]));
3119 if(looking_at(buf, &i, "*% ")) // eat prompt
3120 suppressKibitz = FALSE;
3124 } // [HGM] kibitz: end of patch
3126 // [HGM] chat: intercept tells by users for which we have an open chat window
3128 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3129 looking_at(buf, &i, "* whispers:") ||
3130 looking_at(buf, &i, "* kibitzes:") ||
3131 looking_at(buf, &i, "* shouts:") ||
3132 looking_at(buf, &i, "* c-shouts:") ||
3133 looking_at(buf, &i, "--> * ") ||
3134 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3135 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3136 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3137 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3139 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3140 chattingPartner = -1;
3142 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3143 for(p=0; p<MAX_CHAT; p++) {
3144 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3145 talker[0] = '['; strcat(talker, "] ");
3146 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3147 chattingPartner = p; break;
3150 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3151 for(p=0; p<MAX_CHAT; p++) {
3152 if(!strcmp("kibitzes", chatPartner[p])) {
3153 talker[0] = '['; strcat(talker, "] ");
3154 chattingPartner = p; break;
3157 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3158 for(p=0; p<MAX_CHAT; p++) {
3159 if(!strcmp("whispers", chatPartner[p])) {
3160 talker[0] = '['; strcat(talker, "] ");
3161 chattingPartner = p; break;
3164 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3165 if(buf[i-8] == '-' && buf[i-3] == 't')
3166 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3167 if(!strcmp("c-shouts", chatPartner[p])) {
3168 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3169 chattingPartner = p; break;
3172 if(chattingPartner < 0)
3173 for(p=0; p<MAX_CHAT; p++) {
3174 if(!strcmp("shouts", chatPartner[p])) {
3175 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3176 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3177 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3178 chattingPartner = p; break;
3182 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3183 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3184 talker[0] = 0; Colorize(ColorTell, FALSE);
3185 chattingPartner = p; break;
3187 if(chattingPartner<0) i = oldi; else {
3188 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3189 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3190 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3191 started = STARTED_COMMENT;
3192 parse_pos = 0; parse[0] = NULLCHAR;
3193 savingComment = 3 + chattingPartner; // counts as TRUE
3194 suppressKibitz = TRUE;
3197 } // [HGM] chat: end of patch
3200 if (appData.zippyTalk || appData.zippyPlay) {
3201 /* [DM] Backup address for color zippy lines */
3203 if (loggedOn == TRUE)
3204 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3205 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3207 } // [DM] 'else { ' deleted
3209 /* Regular tells and says */
3210 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3211 looking_at(buf, &i, "* (your partner) tells you: ") ||
3212 looking_at(buf, &i, "* says: ") ||
3213 /* Don't color "message" or "messages" output */
3214 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3215 looking_at(buf, &i, "*. * at *:*: ") ||
3216 looking_at(buf, &i, "--* (*:*): ") ||
3217 /* Message notifications (same color as tells) */
3218 looking_at(buf, &i, "* has left a message ") ||
3219 looking_at(buf, &i, "* just sent you a message:\n") ||
3220 /* Whispers and kibitzes */
3221 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3222 looking_at(buf, &i, "* kibitzes: ") ||
3224 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3226 if (tkind == 1 && strchr(star_match[0], ':')) {
3227 /* Avoid "tells you:" spoofs in channels */
3230 if (star_match[0][0] == NULLCHAR ||
3231 strchr(star_match[0], ' ') ||
3232 (tkind == 3 && strchr(star_match[1], ' '))) {
3233 /* Reject bogus matches */
3236 if (appData.colorize) {
3237 if (oldi > next_out) {
3238 SendToPlayer(&buf[next_out], oldi - next_out);
3243 Colorize(ColorTell, FALSE);
3244 curColor = ColorTell;
3247 Colorize(ColorKibitz, FALSE);
3248 curColor = ColorKibitz;
3251 p = strrchr(star_match[1], '(');
3258 Colorize(ColorChannel1, FALSE);
3259 curColor = ColorChannel1;
3261 Colorize(ColorChannel, FALSE);
3262 curColor = ColorChannel;
3266 curColor = ColorNormal;
3270 if (started == STARTED_NONE && appData.autoComment &&
3271 (gameMode == IcsObserving ||
3272 gameMode == IcsPlayingWhite ||
3273 gameMode == IcsPlayingBlack)) {
3274 parse_pos = i - oldi;
3275 memcpy(parse, &buf[oldi], parse_pos);
3276 parse[parse_pos] = NULLCHAR;
3277 started = STARTED_COMMENT;
3278 savingComment = TRUE;
3280 started = STARTED_CHATTER;
3281 savingComment = FALSE;
3288 if (looking_at(buf, &i, "* s-shouts: ") ||
3289 looking_at(buf, &i, "* c-shouts: ")) {
3290 if (appData.colorize) {
3291 if (oldi > next_out) {
3292 SendToPlayer(&buf[next_out], oldi - next_out);
3295 Colorize(ColorSShout, FALSE);
3296 curColor = ColorSShout;
3299 started = STARTED_CHATTER;
3303 if (looking_at(buf, &i, "--->")) {
3308 if (looking_at(buf, &i, "* shouts: ") ||
3309 looking_at(buf, &i, "--> ")) {
3310 if (appData.colorize) {
3311 if (oldi > next_out) {
3312 SendToPlayer(&buf[next_out], oldi - next_out);
3315 Colorize(ColorShout, FALSE);
3316 curColor = ColorShout;
3319 started = STARTED_CHATTER;
3323 if (looking_at( buf, &i, "Challenge:")) {
3324 if (appData.colorize) {
3325 if (oldi > next_out) {
3326 SendToPlayer(&buf[next_out], oldi - next_out);
3329 Colorize(ColorChallenge, FALSE);
3330 curColor = ColorChallenge;
3336 if (looking_at(buf, &i, "* offers you") ||
3337 looking_at(buf, &i, "* offers to be") ||
3338 looking_at(buf, &i, "* would like to") ||
3339 looking_at(buf, &i, "* requests to") ||
3340 looking_at(buf, &i, "Your opponent offers") ||
3341 looking_at(buf, &i, "Your opponent requests")) {
3343 if (appData.colorize) {
3344 if (oldi > next_out) {
3345 SendToPlayer(&buf[next_out], oldi - next_out);
3348 Colorize(ColorRequest, FALSE);
3349 curColor = ColorRequest;
3354 if (looking_at(buf, &i, "* (*) seeking")) {
3355 if (appData.colorize) {
3356 if (oldi > next_out) {
3357 SendToPlayer(&buf[next_out], oldi - next_out);
3360 Colorize(ColorSeek, FALSE);
3361 curColor = ColorSeek;
3366 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3368 if (looking_at(buf, &i, "\\ ")) {
3369 if (prevColor != ColorNormal) {
3370 if (oldi > next_out) {
3371 SendToPlayer(&buf[next_out], oldi - next_out);
3374 Colorize(prevColor, TRUE);
3375 curColor = prevColor;
3377 if (savingComment) {
3378 parse_pos = i - oldi;
3379 memcpy(parse, &buf[oldi], parse_pos);
3380 parse[parse_pos] = NULLCHAR;
3381 started = STARTED_COMMENT;
3382 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3383 chattingPartner = savingComment - 3; // kludge to remember the box
3385 started = STARTED_CHATTER;
3390 if (looking_at(buf, &i, "Black Strength :") ||
3391 looking_at(buf, &i, "<<< style 10 board >>>") ||
3392 looking_at(buf, &i, "<10>") ||
3393 looking_at(buf, &i, "#@#")) {
3394 /* Wrong board style */
3396 SendToICS(ics_prefix);
3397 SendToICS("set style 12\n");
3398 SendToICS(ics_prefix);
3399 SendToICS("refresh\n");
3403 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3405 have_sent_ICS_logon = 1;
3409 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3410 (looking_at(buf, &i, "\n<12> ") ||
3411 looking_at(buf, &i, "<12> "))) {
3413 if (oldi > next_out) {
3414 SendToPlayer(&buf[next_out], oldi - next_out);
3417 started = STARTED_BOARD;
3422 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3423 looking_at(buf, &i, "<b1> ")) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3428 started = STARTED_HOLDINGS;
3433 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3435 /* Header for a move list -- first line */
3437 switch (ics_getting_history) {
3441 case BeginningOfGame:
3442 /* User typed "moves" or "oldmoves" while we
3443 were idle. Pretend we asked for these
3444 moves and soak them up so user can step
3445 through them and/or save them.
3448 gameMode = IcsObserving;
3451 ics_getting_history = H_GOT_UNREQ_HEADER;
3453 case EditGame: /*?*/
3454 case EditPosition: /*?*/
3455 /* Should above feature work in these modes too? */
3456 /* For now it doesn't */
3457 ics_getting_history = H_GOT_UNWANTED_HEADER;
3460 ics_getting_history = H_GOT_UNWANTED_HEADER;
3465 /* Is this the right one? */
3466 if (gameInfo.white && gameInfo.black &&
3467 strcmp(gameInfo.white, star_match[0]) == 0 &&
3468 strcmp(gameInfo.black, star_match[2]) == 0) {
3470 ics_getting_history = H_GOT_REQ_HEADER;
3473 case H_GOT_REQ_HEADER:
3474 case H_GOT_UNREQ_HEADER:
3475 case H_GOT_UNWANTED_HEADER:
3476 case H_GETTING_MOVES:
3477 /* Should not happen */
3478 DisplayError(_("Error gathering move list: two headers"), 0);
3479 ics_getting_history = H_FALSE;
3483 /* Save player ratings into gameInfo if needed */
3484 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3485 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3486 (gameInfo.whiteRating == -1 ||
3487 gameInfo.blackRating == -1)) {
3489 gameInfo.whiteRating = string_to_rating(star_match[1]);
3490 gameInfo.blackRating = string_to_rating(star_match[3]);
3491 if (appData.debugMode)
3492 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3493 gameInfo.whiteRating, gameInfo.blackRating);
3498 if (looking_at(buf, &i,
3499 "* * match, initial time: * minute*, increment: * second")) {
3500 /* Header for a move list -- second line */
3501 /* Initial board will follow if this is a wild game */
3502 if (gameInfo.event != NULL) free(gameInfo.event);
3503 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3504 gameInfo.event = StrSave(str);
3505 /* [HGM] we switched variant. Translate boards if needed. */
3506 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3510 if (looking_at(buf, &i, "Move ")) {
3511 /* Beginning of a move list */
3512 switch (ics_getting_history) {
3514 /* Normally should not happen */
3515 /* Maybe user hit reset while we were parsing */
3518 /* Happens if we are ignoring a move list that is not
3519 * the one we just requested. Common if the user
3520 * tries to observe two games without turning off
3523 case H_GETTING_MOVES:
3524 /* Should not happen */
3525 DisplayError(_("Error gathering move list: nested"), 0);
3526 ics_getting_history = H_FALSE;
3528 case H_GOT_REQ_HEADER:
3529 ics_getting_history = H_GETTING_MOVES;
3530 started = STARTED_MOVES;
3532 if (oldi > next_out) {
3533 SendToPlayer(&buf[next_out], oldi - next_out);
3536 case H_GOT_UNREQ_HEADER:
3537 ics_getting_history = H_GETTING_MOVES;
3538 started = STARTED_MOVES_NOHIDE;
3541 case H_GOT_UNWANTED_HEADER:
3542 ics_getting_history = H_FALSE;
3548 if (looking_at(buf, &i, "% ") ||
3549 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3550 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3551 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3552 soughtPending = FALSE;
3556 if(suppressKibitz) next_out = i;
3557 savingComment = FALSE;
3561 case STARTED_MOVES_NOHIDE:
3562 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3563 parse[parse_pos + i - oldi] = NULLCHAR;
3564 ParseGameHistory(parse);
3566 if (appData.zippyPlay && first.initDone) {
3567 FeedMovesToProgram(&first, forwardMostMove);
3568 if (gameMode == IcsPlayingWhite) {
3569 if (WhiteOnMove(forwardMostMove)) {
3570 if (first.sendTime) {
3571 if (first.useColors) {
3572 SendToProgram("black\n", &first);
3574 SendTimeRemaining(&first, TRUE);
3576 if (first.useColors) {
3577 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3579 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3580 first.maybeThinking = TRUE;
3582 if (first.usePlayother) {
3583 if (first.sendTime) {
3584 SendTimeRemaining(&first, TRUE);
3586 SendToProgram("playother\n", &first);
3592 } else if (gameMode == IcsPlayingBlack) {
3593 if (!WhiteOnMove(forwardMostMove)) {
3594 if (first.sendTime) {
3595 if (first.useColors) {
3596 SendToProgram("white\n", &first);
3598 SendTimeRemaining(&first, FALSE);
3600 if (first.useColors) {
3601 SendToProgram("black\n", &first);
3603 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3604 first.maybeThinking = TRUE;
3606 if (first.usePlayother) {
3607 if (first.sendTime) {
3608 SendTimeRemaining(&first, FALSE);
3610 SendToProgram("playother\n", &first);
3619 if (gameMode == IcsObserving && ics_gamenum == -1) {
3620 /* Moves came from oldmoves or moves command
3621 while we weren't doing anything else.
3623 currentMove = forwardMostMove;
3624 ClearHighlights();/*!!could figure this out*/
3625 flipView = appData.flipView;
3626 DrawPosition(TRUE, boards[currentMove]);
3627 DisplayBothClocks();
3628 snprintf(str, MSG_SIZ, "%s vs. %s",
3629 gameInfo.white, gameInfo.black);
3633 /* Moves were history of an active game */
3634 if (gameInfo.resultDetails != NULL) {
3635 free(gameInfo.resultDetails);
3636 gameInfo.resultDetails = NULL;
3639 HistorySet(parseList, backwardMostMove,
3640 forwardMostMove, currentMove-1);
3641 DisplayMove(currentMove - 1);
3642 if (started == STARTED_MOVES) next_out = i;
3643 started = STARTED_NONE;
3644 ics_getting_history = H_FALSE;
3647 case STARTED_OBSERVE:
3648 started = STARTED_NONE;
3649 SendToICS(ics_prefix);
3650 SendToICS("refresh\n");
3656 if(bookHit) { // [HGM] book: simulate book reply
3657 static char bookMove[MSG_SIZ]; // a bit generous?
3659 programStats.nodes = programStats.depth = programStats.time =
3660 programStats.score = programStats.got_only_move = 0;
3661 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3663 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3664 strcat(bookMove, bookHit);
3665 HandleMachineMove(bookMove, &first);
3670 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3671 started == STARTED_HOLDINGS ||
3672 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3673 /* Accumulate characters in move list or board */
3674 parse[parse_pos++] = buf[i];
3677 /* Start of game messages. Mostly we detect start of game
3678 when the first board image arrives. On some versions
3679 of the ICS, though, we need to do a "refresh" after starting
3680 to observe in order to get the current board right away. */
3681 if (looking_at(buf, &i, "Adding game * to observation list")) {
3682 started = STARTED_OBSERVE;
3686 /* Handle auto-observe */
3687 if (appData.autoObserve &&
3688 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3689 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3691 /* Choose the player that was highlighted, if any. */
3692 if (star_match[0][0] == '\033' ||
3693 star_match[1][0] != '\033') {
3694 player = star_match[0];
3696 player = star_match[2];
3698 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3699 ics_prefix, StripHighlightAndTitle(player));
3702 /* Save ratings from notify string */
3703 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3704 player1Rating = string_to_rating(star_match[1]);
3705 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3706 player2Rating = string_to_rating(star_match[3]);
3708 if (appData.debugMode)
3710 "Ratings from 'Game notification:' %s %d, %s %d\n",
3711 player1Name, player1Rating,
3712 player2Name, player2Rating);
3717 /* Deal with automatic examine mode after a game,
3718 and with IcsObserving -> IcsExamining transition */
3719 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3720 looking_at(buf, &i, "has made you an examiner of game *")) {
3722 int gamenum = atoi(star_match[0]);
3723 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3724 gamenum == ics_gamenum) {
3725 /* We were already playing or observing this game;
3726 no need to refetch history */
3727 gameMode = IcsExamining;
3729 pauseExamForwardMostMove = forwardMostMove;
3730 } else if (currentMove < forwardMostMove) {
3731 ForwardInner(forwardMostMove);
3734 /* I don't think this case really can happen */
3735 SendToICS(ics_prefix);
3736 SendToICS("refresh\n");
3741 /* Error messages */
3742 // if (ics_user_moved) {
3743 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3744 if (looking_at(buf, &i, "Illegal move") ||
3745 looking_at(buf, &i, "Not a legal move") ||
3746 looking_at(buf, &i, "Your king is in check") ||
3747 looking_at(buf, &i, "It isn't your turn") ||
3748 looking_at(buf, &i, "It is not your move")) {
3750 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3751 currentMove = forwardMostMove-1;
3752 DisplayMove(currentMove - 1); /* before DMError */
3753 DrawPosition(FALSE, boards[currentMove]);
3754 SwitchClocks(forwardMostMove-1); // [HGM] race
3755 DisplayBothClocks();
3757 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3763 if (looking_at(buf, &i, "still have time") ||
3764 looking_at(buf, &i, "not out of time") ||
3765 looking_at(buf, &i, "either player is out of time") ||
3766 looking_at(buf, &i, "has timeseal; checking")) {
3767 /* We must have called his flag a little too soon */
3768 whiteFlag = blackFlag = FALSE;
3772 if (looking_at(buf, &i, "added * seconds to") ||
3773 looking_at(buf, &i, "seconds were added to")) {
3774 /* Update the clocks */
3775 SendToICS(ics_prefix);
3776 SendToICS("refresh\n");
3780 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3781 ics_clock_paused = TRUE;
3786 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3787 ics_clock_paused = FALSE;
3792 /* Grab player ratings from the Creating: message.
3793 Note we have to check for the special case when
3794 the ICS inserts things like [white] or [black]. */
3795 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3796 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3798 0 player 1 name (not necessarily white)
3800 2 empty, white, or black (IGNORED)
3801 3 player 2 name (not necessarily black)
3804 The names/ratings are sorted out when the game
3805 actually starts (below).
3807 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3808 player1Rating = string_to_rating(star_match[1]);
3809 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3810 player2Rating = string_to_rating(star_match[4]);
3812 if (appData.debugMode)
3814 "Ratings from 'Creating:' %s %d, %s %d\n",
3815 player1Name, player1Rating,
3816 player2Name, player2Rating);
3821 /* Improved generic start/end-of-game messages */
3822 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3823 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3824 /* If tkind == 0: */
3825 /* star_match[0] is the game number */
3826 /* [1] is the white player's name */
3827 /* [2] is the black player's name */
3828 /* For end-of-game: */
3829 /* [3] is the reason for the game end */
3830 /* [4] is a PGN end game-token, preceded by " " */
3831 /* For start-of-game: */
3832 /* [3] begins with "Creating" or "Continuing" */
3833 /* [4] is " *" or empty (don't care). */
3834 int gamenum = atoi(star_match[0]);
3835 char *whitename, *blackname, *why, *endtoken;
3836 ChessMove endtype = EndOfFile;
3839 whitename = star_match[1];
3840 blackname = star_match[2];
3841 why = star_match[3];
3842 endtoken = star_match[4];
3844 whitename = star_match[1];
3845 blackname = star_match[3];
3846 why = star_match[5];
3847 endtoken = star_match[6];
3850 /* Game start messages */
3851 if (strncmp(why, "Creating ", 9) == 0 ||
3852 strncmp(why, "Continuing ", 11) == 0) {
3853 gs_gamenum = gamenum;
3854 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3855 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3857 if (appData.zippyPlay) {
3858 ZippyGameStart(whitename, blackname);
3861 partnerBoardValid = FALSE; // [HGM] bughouse
3865 /* Game end messages */
3866 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3867 ics_gamenum != gamenum) {
3870 while (endtoken[0] == ' ') endtoken++;
3871 switch (endtoken[0]) {
3874 endtype = GameUnfinished;
3877 endtype = BlackWins;
3880 if (endtoken[1] == '/')
3881 endtype = GameIsDrawn;
3883 endtype = WhiteWins;
3886 GameEnds(endtype, why, GE_ICS);
3888 if (appData.zippyPlay && first.initDone) {
3889 ZippyGameEnd(endtype, why);
3890 if (first.pr == NULL) {
3891 /* Start the next process early so that we'll
3892 be ready for the next challenge */
3893 StartChessProgram(&first);
3895 /* Send "new" early, in case this command takes
3896 a long time to finish, so that we'll be ready
3897 for the next challenge. */
3898 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3902 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3906 if (looking_at(buf, &i, "Removing game * from observation") ||
3907 looking_at(buf, &i, "no longer observing game *") ||
3908 looking_at(buf, &i, "Game * (*) has no examiners")) {
3909 if (gameMode == IcsObserving &&
3910 atoi(star_match[0]) == ics_gamenum)
3912 /* icsEngineAnalyze */
3913 if (appData.icsEngineAnalyze) {
3920 ics_user_moved = FALSE;
3925 if (looking_at(buf, &i, "no longer examining game *")) {
3926 if (gameMode == IcsExamining &&
3927 atoi(star_match[0]) == ics_gamenum)
3931 ics_user_moved = FALSE;
3936 /* Advance leftover_start past any newlines we find,
3937 so only partial lines can get reparsed */
3938 if (looking_at(buf, &i, "\n")) {
3939 prevColor = curColor;
3940 if (curColor != ColorNormal) {
3941 if (oldi > next_out) {
3942 SendToPlayer(&buf[next_out], oldi - next_out);
3945 Colorize(ColorNormal, FALSE);
3946 curColor = ColorNormal;
3948 if (started == STARTED_BOARD) {
3949 started = STARTED_NONE;
3950 parse[parse_pos] = NULLCHAR;
3951 ParseBoard12(parse);
3954 /* Send premove here */
3955 if (appData.premove) {
3957 if (currentMove == 0 &&
3958 gameMode == IcsPlayingWhite &&
3959 appData.premoveWhite) {
3960 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3961 if (appData.debugMode)
3962 fprintf(debugFP, "Sending premove:\n");
3964 } else if (currentMove == 1 &&
3965 gameMode == IcsPlayingBlack &&
3966 appData.premoveBlack) {
3967 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3968 if (appData.debugMode)
3969 fprintf(debugFP, "Sending premove:\n");
3971 } else if (gotPremove) {
3973 ClearPremoveHighlights();
3974 if (appData.debugMode)
3975 fprintf(debugFP, "Sending premove:\n");
3976 UserMoveEvent(premoveFromX, premoveFromY,
3977 premoveToX, premoveToY,
3982 /* Usually suppress following prompt */
3983 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3984 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3985 if (looking_at(buf, &i, "*% ")) {
3986 savingComment = FALSE;
3991 } else if (started == STARTED_HOLDINGS) {
3993 char new_piece[MSG_SIZ];
3994 started = STARTED_NONE;
3995 parse[parse_pos] = NULLCHAR;
3996 if (appData.debugMode)
3997 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3998 parse, currentMove);
3999 if (sscanf(parse, " game %d", &gamenum) == 1) {
4000 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4001 if (gameInfo.variant == VariantNormal) {
4002 /* [HGM] We seem to switch variant during a game!
4003 * Presumably no holdings were displayed, so we have
4004 * to move the position two files to the right to
4005 * create room for them!
4007 VariantClass newVariant;
4008 switch(gameInfo.boardWidth) { // base guess on board width
4009 case 9: newVariant = VariantShogi; break;
4010 case 10: newVariant = VariantGreat; break;
4011 default: newVariant = VariantCrazyhouse; break;
4013 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4014 /* Get a move list just to see the header, which
4015 will tell us whether this is really bug or zh */
4016 if (ics_getting_history == H_FALSE) {
4017 ics_getting_history = H_REQUESTED;
4018 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4022 new_piece[0] = NULLCHAR;
4023 sscanf(parse, "game %d white [%s black [%s <- %s",
4024 &gamenum, white_holding, black_holding,
4026 white_holding[strlen(white_holding)-1] = NULLCHAR;
4027 black_holding[strlen(black_holding)-1] = NULLCHAR;
4028 /* [HGM] copy holdings to board holdings area */
4029 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4030 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4031 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4033 if (appData.zippyPlay && first.initDone) {
4034 ZippyHoldings(white_holding, black_holding,
4038 if (tinyLayout || smallLayout) {
4039 char wh[16], bh[16];
4040 PackHolding(wh, white_holding);
4041 PackHolding(bh, black_holding);
4042 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4043 gameInfo.white, gameInfo.black);
4045 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4046 gameInfo.white, white_holding,
4047 gameInfo.black, black_holding);
4049 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4050 DrawPosition(FALSE, boards[currentMove]);
4052 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4053 sscanf(parse, "game %d white [%s black [%s <- %s",
4054 &gamenum, white_holding, black_holding,
4056 white_holding[strlen(white_holding)-1] = NULLCHAR;
4057 black_holding[strlen(black_holding)-1] = NULLCHAR;
4058 /* [HGM] copy holdings to partner-board holdings area */
4059 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4060 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4061 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4062 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4063 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4066 /* Suppress following prompt */
4067 if (looking_at(buf, &i, "*% ")) {
4068 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4069 savingComment = FALSE;
4077 i++; /* skip unparsed character and loop back */
4080 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4081 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4082 // SendToPlayer(&buf[next_out], i - next_out);
4083 started != STARTED_HOLDINGS && leftover_start > next_out) {
4084 SendToPlayer(&buf[next_out], leftover_start - next_out);
4088 leftover_len = buf_len - leftover_start;
4089 /* if buffer ends with something we couldn't parse,
4090 reparse it after appending the next read */
4092 } else if (count == 0) {
4093 RemoveInputSource(isr);
4094 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4096 DisplayFatalError(_("Error reading from ICS"), error, 1);
4101 /* Board style 12 looks like this:
4103 <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
4105 * The "<12> " is stripped before it gets to this routine. The two
4106 * trailing 0's (flip state and clock ticking) are later addition, and
4107 * some chess servers may not have them, or may have only the first.
4108 * Additional trailing fields may be added in the future.
4111 #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"
4113 #define RELATION_OBSERVING_PLAYED 0
4114 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4115 #define RELATION_PLAYING_MYMOVE 1
4116 #define RELATION_PLAYING_NOTMYMOVE -1
4117 #define RELATION_EXAMINING 2
4118 #define RELATION_ISOLATED_BOARD -3
4119 #define RELATION_STARTING_POSITION -4 /* FICS only */
4122 ParseBoard12(string)
4125 GameMode newGameMode;
4126 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4127 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4128 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4129 char to_play, board_chars[200];
4130 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4131 char black[32], white[32];
4133 int prevMove = currentMove;
4136 int fromX, fromY, toX, toY;
4138 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4139 char *bookHit = NULL; // [HGM] book
4140 Boolean weird = FALSE, reqFlag = FALSE;
4142 fromX = fromY = toX = toY = -1;
4146 if (appData.debugMode)
4147 fprintf(debugFP, _("Parsing board: %s\n"), string);
4149 move_str[0] = NULLCHAR;
4150 elapsed_time[0] = NULLCHAR;
4151 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4153 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4154 if(string[i] == ' ') { ranks++; files = 0; }
4156 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4159 for(j = 0; j <i; j++) board_chars[j] = string[j];
4160 board_chars[i] = '\0';
4163 n = sscanf(string, PATTERN, &to_play, &double_push,
4164 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4165 &gamenum, white, black, &relation, &basetime, &increment,
4166 &white_stren, &black_stren, &white_time, &black_time,
4167 &moveNum, str, elapsed_time, move_str, &ics_flip,
4171 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4172 DisplayError(str, 0);
4176 /* Convert the move number to internal form */
4177 moveNum = (moveNum - 1) * 2;
4178 if (to_play == 'B') moveNum++;
4179 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4180 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4186 case RELATION_OBSERVING_PLAYED:
4187 case RELATION_OBSERVING_STATIC:
4188 if (gamenum == -1) {
4189 /* Old ICC buglet */
4190 relation = RELATION_OBSERVING_STATIC;
4192 newGameMode = IcsObserving;
4194 case RELATION_PLAYING_MYMOVE:
4195 case RELATION_PLAYING_NOTMYMOVE:
4197 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4198 IcsPlayingWhite : IcsPlayingBlack;
4200 case RELATION_EXAMINING:
4201 newGameMode = IcsExamining;
4203 case RELATION_ISOLATED_BOARD:
4205 /* Just display this board. If user was doing something else,
4206 we will forget about it until the next board comes. */
4207 newGameMode = IcsIdle;
4209 case RELATION_STARTING_POSITION:
4210 newGameMode = gameMode;
4214 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4215 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4216 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4218 for (k = 0; k < ranks; k++) {
4219 for (j = 0; j < files; j++)
4220 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4221 if(gameInfo.holdingsWidth > 1) {
4222 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4223 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4226 CopyBoard(partnerBoard, board);
4227 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4228 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4229 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4230 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4231 if(toSqr = strchr(str, '-')) {
4232 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4233 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4234 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4235 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4236 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4237 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4238 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4239 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4240 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4241 DisplayMessage(partnerStatus, "");
4242 partnerBoardValid = TRUE;
4246 /* Modify behavior for initial board display on move listing
4249 switch (ics_getting_history) {
4253 case H_GOT_REQ_HEADER:
4254 case H_GOT_UNREQ_HEADER:
4255 /* This is the initial position of the current game */
4256 gamenum = ics_gamenum;
4257 moveNum = 0; /* old ICS bug workaround */
4258 if (to_play == 'B') {
4259 startedFromSetupPosition = TRUE;
4260 blackPlaysFirst = TRUE;
4262 if (forwardMostMove == 0) forwardMostMove = 1;
4263 if (backwardMostMove == 0) backwardMostMove = 1;
4264 if (currentMove == 0) currentMove = 1;
4266 newGameMode = gameMode;
4267 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4269 case H_GOT_UNWANTED_HEADER:
4270 /* This is an initial board that we don't want */
4272 case H_GETTING_MOVES:
4273 /* Should not happen */
4274 DisplayError(_("Error gathering move list: extra board"), 0);
4275 ics_getting_history = H_FALSE;
4279 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4280 weird && (int)gameInfo.variant < (int)VariantShogi) {
4281 /* [HGM] We seem to have switched variant unexpectedly
4282 * Try to guess new variant from board size
4284 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4285 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4286 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4287 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4288 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4289 if(!weird) newVariant = VariantNormal;
4290 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4291 /* Get a move list just to see the header, which
4292 will tell us whether this is really bug or zh */
4293 if (ics_getting_history == H_FALSE) {
4294 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4295 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4300 /* Take action if this is the first board of a new game, or of a
4301 different game than is currently being displayed. */
4302 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4303 relation == RELATION_ISOLATED_BOARD) {
4305 /* Forget the old game and get the history (if any) of the new one */
4306 if (gameMode != BeginningOfGame) {
4310 if (appData.autoRaiseBoard) BoardToTop();
4312 if (gamenum == -1) {
4313 newGameMode = IcsIdle;
4314 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4315 appData.getMoveList && !reqFlag) {
4316 /* Need to get game history */
4317 ics_getting_history = H_REQUESTED;
4318 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4322 /* Initially flip the board to have black on the bottom if playing
4323 black or if the ICS flip flag is set, but let the user change
4324 it with the Flip View button. */
4325 flipView = appData.autoFlipView ?
4326 (newGameMode == IcsPlayingBlack) || ics_flip :
4329 /* Done with values from previous mode; copy in new ones */
4330 gameMode = newGameMode;
4332 ics_gamenum = gamenum;
4333 if (gamenum == gs_gamenum) {
4334 int klen = strlen(gs_kind);
4335 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4336 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4337 gameInfo.event = StrSave(str);
4339 gameInfo.event = StrSave("ICS game");
4341 gameInfo.site = StrSave(appData.icsHost);
4342 gameInfo.date = PGNDate();
4343 gameInfo.round = StrSave("-");
4344 gameInfo.white = StrSave(white);
4345 gameInfo.black = StrSave(black);
4346 timeControl = basetime * 60 * 1000;
4348 timeIncrement = increment * 1000;
4349 movesPerSession = 0;
4350 gameInfo.timeControl = TimeControlTagValue();
4351 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4352 if (appData.debugMode) {
4353 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4354 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4355 setbuf(debugFP, NULL);
4358 gameInfo.outOfBook = NULL;
4360 /* Do we have the ratings? */
4361 if (strcmp(player1Name, white) == 0 &&
4362 strcmp(player2Name, black) == 0) {
4363 if (appData.debugMode)
4364 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4365 player1Rating, player2Rating);
4366 gameInfo.whiteRating = player1Rating;
4367 gameInfo.blackRating = player2Rating;
4368 } else if (strcmp(player2Name, white) == 0 &&
4369 strcmp(player1Name, black) == 0) {
4370 if (appData.debugMode)
4371 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4372 player2Rating, player1Rating);
4373 gameInfo.whiteRating = player2Rating;
4374 gameInfo.blackRating = player1Rating;
4376 player1Name[0] = player2Name[0] = NULLCHAR;
4378 /* Silence shouts if requested */
4379 if (appData.quietPlay &&
4380 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4381 SendToICS(ics_prefix);
4382 SendToICS("set shout 0\n");
4386 /* Deal with midgame name changes */
4388 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4389 if (gameInfo.white) free(gameInfo.white);
4390 gameInfo.white = StrSave(white);
4392 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4393 if (gameInfo.black) free(gameInfo.black);
4394 gameInfo.black = StrSave(black);
4398 /* Throw away game result if anything actually changes in examine mode */
4399 if (gameMode == IcsExamining && !newGame) {
4400 gameInfo.result = GameUnfinished;
4401 if (gameInfo.resultDetails != NULL) {
4402 free(gameInfo.resultDetails);
4403 gameInfo.resultDetails = NULL;
4407 /* In pausing && IcsExamining mode, we ignore boards coming
4408 in if they are in a different variation than we are. */
4409 if (pauseExamInvalid) return;
4410 if (pausing && gameMode == IcsExamining) {
4411 if (moveNum <= pauseExamForwardMostMove) {
4412 pauseExamInvalid = TRUE;
4413 forwardMostMove = pauseExamForwardMostMove;
4418 if (appData.debugMode) {
4419 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4421 /* Parse the board */
4422 for (k = 0; k < ranks; k++) {
4423 for (j = 0; j < files; j++)
4424 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4425 if(gameInfo.holdingsWidth > 1) {
4426 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4427 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4430 CopyBoard(boards[moveNum], board);
4431 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4433 startedFromSetupPosition =
4434 !CompareBoards(board, initialPosition);
4435 if(startedFromSetupPosition)
4436 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4439 /* [HGM] Set castling rights. Take the outermost Rooks,
4440 to make it also work for FRC opening positions. Note that board12
4441 is really defective for later FRC positions, as it has no way to
4442 indicate which Rook can castle if they are on the same side of King.
4443 For the initial position we grant rights to the outermost Rooks,
4444 and remember thos rights, and we then copy them on positions
4445 later in an FRC game. This means WB might not recognize castlings with
4446 Rooks that have moved back to their original position as illegal,
4447 but in ICS mode that is not its job anyway.
4449 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4450 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4452 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4453 if(board[0][i] == WhiteRook) j = i;
4454 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4455 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4456 if(board[0][i] == WhiteRook) j = i;
4457 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4458 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4459 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4460 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4461 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4462 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4463 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4465 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4466 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4467 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4468 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4469 if(board[BOARD_HEIGHT-1][k] == bKing)
4470 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4471 if(gameInfo.variant == VariantTwoKings) {
4472 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4473 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4474 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4477 r = boards[moveNum][CASTLING][0] = initialRights[0];
4478 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4479 r = boards[moveNum][CASTLING][1] = initialRights[1];
4480 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4481 r = boards[moveNum][CASTLING][3] = initialRights[3];
4482 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4483 r = boards[moveNum][CASTLING][4] = initialRights[4];
4484 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4485 /* wildcastle kludge: always assume King has rights */
4486 r = boards[moveNum][CASTLING][2] = initialRights[2];
4487 r = boards[moveNum][CASTLING][5] = initialRights[5];
4489 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4490 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4493 if (ics_getting_history == H_GOT_REQ_HEADER ||
4494 ics_getting_history == H_GOT_UNREQ_HEADER) {
4495 /* This was an initial position from a move list, not
4496 the current position */
4500 /* Update currentMove and known move number limits */
4501 newMove = newGame || moveNum > forwardMostMove;
4504 forwardMostMove = backwardMostMove = currentMove = moveNum;
4505 if (gameMode == IcsExamining && moveNum == 0) {
4506 /* Workaround for ICS limitation: we are not told the wild
4507 type when starting to examine a game. But if we ask for
4508 the move list, the move list header will tell us */
4509 ics_getting_history = H_REQUESTED;
4510 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4513 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4514 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4516 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4517 /* [HGM] applied this also to an engine that is silently watching */
4518 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4519 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4520 gameInfo.variant == currentlyInitializedVariant) {
4521 takeback = forwardMostMove - moveNum;
4522 for (i = 0; i < takeback; i++) {
4523 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4524 SendToProgram("undo\n", &first);
4529 forwardMostMove = moveNum;
4530 if (!pausing || currentMove > forwardMostMove)
4531 currentMove = forwardMostMove;
4533 /* New part of history that is not contiguous with old part */
4534 if (pausing && gameMode == IcsExamining) {
4535 pauseExamInvalid = TRUE;
4536 forwardMostMove = pauseExamForwardMostMove;
4539 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4541 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4542 // [HGM] when we will receive the move list we now request, it will be
4543 // fed to the engine from the first move on. So if the engine is not
4544 // in the initial position now, bring it there.
4545 InitChessProgram(&first, 0);
4548 ics_getting_history = H_REQUESTED;
4549 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4552 forwardMostMove = backwardMostMove = currentMove = moveNum;
4555 /* Update the clocks */
4556 if (strchr(elapsed_time, '.')) {
4558 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4559 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4561 /* Time is in seconds */
4562 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4563 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4568 if (appData.zippyPlay && newGame &&
4569 gameMode != IcsObserving && gameMode != IcsIdle &&
4570 gameMode != IcsExamining)
4571 ZippyFirstBoard(moveNum, basetime, increment);
4574 /* Put the move on the move list, first converting
4575 to canonical algebraic form. */
4577 if (appData.debugMode) {
4578 if (appData.debugMode) { int f = forwardMostMove;
4579 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4580 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4581 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4583 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4584 fprintf(debugFP, "moveNum = %d\n", moveNum);
4585 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4586 setbuf(debugFP, NULL);
4588 if (moveNum <= backwardMostMove) {
4589 /* We don't know what the board looked like before
4591 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4592 strcat(parseList[moveNum - 1], " ");
4593 strcat(parseList[moveNum - 1], elapsed_time);
4594 moveList[moveNum - 1][0] = NULLCHAR;
4595 } else if (strcmp(move_str, "none") == 0) {
4596 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4597 /* Again, we don't know what the board looked like;
4598 this is really the start of the game. */
4599 parseList[moveNum - 1][0] = NULLCHAR;
4600 moveList[moveNum - 1][0] = NULLCHAR;
4601 backwardMostMove = moveNum;
4602 startedFromSetupPosition = TRUE;
4603 fromX = fromY = toX = toY = -1;
4605 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4606 // So we parse the long-algebraic move string in stead of the SAN move
4607 int valid; char buf[MSG_SIZ], *prom;
4609 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4610 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4611 // str looks something like "Q/a1-a2"; kill the slash
4613 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4614 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4615 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4616 strcat(buf, prom); // long move lacks promo specification!
4617 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4618 if(appData.debugMode)
4619 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4620 safeStrCpy(move_str, buf, MSG_SIZ);
4622 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4623 &fromX, &fromY, &toX, &toY, &promoChar)
4624 || ParseOneMove(buf, moveNum - 1, &moveType,
4625 &fromX, &fromY, &toX, &toY, &promoChar);
4626 // end of long SAN patch
4628 (void) CoordsToAlgebraic(boards[moveNum - 1],
4629 PosFlags(moveNum - 1),
4630 fromY, fromX, toY, toX, promoChar,
4631 parseList[moveNum-1]);
4632 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4638 if(gameInfo.variant != VariantShogi)
4639 strcat(parseList[moveNum - 1], "+");
4642 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4643 strcat(parseList[moveNum - 1], "#");
4646 strcat(parseList[moveNum - 1], " ");
4647 strcat(parseList[moveNum - 1], elapsed_time);
4648 /* currentMoveString is set as a side-effect of ParseOneMove */
4649 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4650 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4651 strcat(moveList[moveNum - 1], "\n");
4653 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4654 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4655 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4656 ChessSquare old, new = boards[moveNum][k][j];
4657 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4658 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4659 if(old == new) continue;
4660 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4661 else if(new == WhiteWazir || new == BlackWazir) {
4662 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4663 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4664 else boards[moveNum][k][j] = old; // preserve type of Gold
4665 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4666 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4669 /* Move from ICS was illegal!? Punt. */
4670 if (appData.debugMode) {
4671 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4672 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4674 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4675 strcat(parseList[moveNum - 1], " ");
4676 strcat(parseList[moveNum - 1], elapsed_time);
4677 moveList[moveNum - 1][0] = NULLCHAR;
4678 fromX = fromY = toX = toY = -1;
4681 if (appData.debugMode) {
4682 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4683 setbuf(debugFP, NULL);
4687 /* Send move to chess program (BEFORE animating it). */
4688 if (appData.zippyPlay && !newGame && newMove &&
4689 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4691 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4692 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4693 if (moveList[moveNum - 1][0] == NULLCHAR) {
4694 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4696 DisplayError(str, 0);
4698 if (first.sendTime) {
4699 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4701 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4702 if (firstMove && !bookHit) {
4704 if (first.useColors) {
4705 SendToProgram(gameMode == IcsPlayingWhite ?
4707 "black\ngo\n", &first);
4709 SendToProgram("go\n", &first);
4711 first.maybeThinking = TRUE;
4714 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4715 if (moveList[moveNum - 1][0] == NULLCHAR) {
4716 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4717 DisplayError(str, 0);
4719 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4720 SendMoveToProgram(moveNum - 1, &first);
4727 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4728 /* If move comes from a remote source, animate it. If it
4729 isn't remote, it will have already been animated. */
4730 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4731 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4733 if (!pausing && appData.highlightLastMove) {
4734 SetHighlights(fromX, fromY, toX, toY);
4738 /* Start the clocks */
4739 whiteFlag = blackFlag = FALSE;
4740 appData.clockMode = !(basetime == 0 && increment == 0);
4742 ics_clock_paused = TRUE;
4744 } else if (ticking == 1) {
4745 ics_clock_paused = FALSE;
4747 if (gameMode == IcsIdle ||
4748 relation == RELATION_OBSERVING_STATIC ||
4749 relation == RELATION_EXAMINING ||
4751 DisplayBothClocks();
4755 /* Display opponents and material strengths */
4756 if (gameInfo.variant != VariantBughouse &&
4757 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4758 if (tinyLayout || smallLayout) {
4759 if(gameInfo.variant == VariantNormal)
4760 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4761 gameInfo.white, white_stren, gameInfo.black, black_stren,
4762 basetime, increment);
4764 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4765 gameInfo.white, white_stren, gameInfo.black, black_stren,
4766 basetime, increment, (int) gameInfo.variant);
4768 if(gameInfo.variant == VariantNormal)
4769 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4770 gameInfo.white, white_stren, gameInfo.black, black_stren,
4771 basetime, increment);
4773 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4774 gameInfo.white, white_stren, gameInfo.black, black_stren,
4775 basetime, increment, VariantName(gameInfo.variant));
4778 if (appData.debugMode) {
4779 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4784 /* Display the board */
4785 if (!pausing && !appData.noGUI) {
4787 if (appData.premove)
4789 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4790 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4791 ClearPremoveHighlights();
4793 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4794 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4795 DrawPosition(j, boards[currentMove]);
4797 DisplayMove(moveNum - 1);
4798 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4799 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4800 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4801 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4805 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4807 if(bookHit) { // [HGM] book: simulate book reply
4808 static char bookMove[MSG_SIZ]; // a bit generous?
4810 programStats.nodes = programStats.depth = programStats.time =
4811 programStats.score = programStats.got_only_move = 0;
4812 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4814 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4815 strcat(bookMove, bookHit);
4816 HandleMachineMove(bookMove, &first);
4825 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4826 ics_getting_history = H_REQUESTED;
4827 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4833 AnalysisPeriodicEvent(force)
4836 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4837 && !force) || !appData.periodicUpdates)
4840 /* Send . command to Crafty to collect stats */
4841 SendToProgram(".\n", &first);
4843 /* Don't send another until we get a response (this makes
4844 us stop sending to old Crafty's which don't understand
4845 the "." command (sending illegal cmds resets node count & time,
4846 which looks bad)) */
4847 programStats.ok_to_send = 0;
4850 void ics_update_width(new_width)
4853 ics_printf("set width %d\n", new_width);
4857 SendMoveToProgram(moveNum, cps)
4859 ChessProgramState *cps;
4863 if (cps->useUsermove) {
4864 SendToProgram("usermove ", cps);
4868 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4869 int len = space - parseList[moveNum];
4870 memcpy(buf, parseList[moveNum], len);
4872 buf[len] = NULLCHAR;
4874 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4876 SendToProgram(buf, cps);
4878 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4879 AlphaRank(moveList[moveNum], 4);
4880 SendToProgram(moveList[moveNum], cps);
4881 AlphaRank(moveList[moveNum], 4); // and back
4883 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4884 * the engine. It would be nice to have a better way to identify castle
4886 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4887 && cps->useOOCastle) {
4888 int fromX = moveList[moveNum][0] - AAA;
4889 int fromY = moveList[moveNum][1] - ONE;
4890 int toX = moveList[moveNum][2] - AAA;
4891 int toY = moveList[moveNum][3] - ONE;
4892 if((boards[moveNum][fromY][fromX] == WhiteKing
4893 && boards[moveNum][toY][toX] == WhiteRook)
4894 || (boards[moveNum][fromY][fromX] == BlackKing
4895 && boards[moveNum][toY][toX] == BlackRook)) {
4896 if(toX > fromX) SendToProgram("O-O\n", cps);
4897 else SendToProgram("O-O-O\n", cps);
4899 else SendToProgram(moveList[moveNum], cps);
4901 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4902 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4903 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4904 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4906 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4907 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4908 SendToProgram(buf, cps);
4910 else SendToProgram(moveList[moveNum], cps);
4911 /* End of additions by Tord */
4914 /* [HGM] setting up the opening has brought engine in force mode! */
4915 /* Send 'go' if we are in a mode where machine should play. */
4916 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4917 (gameMode == TwoMachinesPlay ||
4919 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4921 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4922 SendToProgram("go\n", cps);
4923 if (appData.debugMode) {
4924 fprintf(debugFP, "(extra)\n");
4927 setboardSpoiledMachineBlack = 0;
4931 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4933 int fromX, fromY, toX, toY;
4936 char user_move[MSG_SIZ];
4940 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4941 (int)moveType, fromX, fromY, toX, toY);
4942 DisplayError(user_move + strlen("say "), 0);
4944 case WhiteKingSideCastle:
4945 case BlackKingSideCastle:
4946 case WhiteQueenSideCastleWild:
4947 case BlackQueenSideCastleWild:
4949 case WhiteHSideCastleFR:
4950 case BlackHSideCastleFR:
4952 snprintf(user_move, MSG_SIZ, "o-o\n");
4954 case WhiteQueenSideCastle:
4955 case BlackQueenSideCastle:
4956 case WhiteKingSideCastleWild:
4957 case BlackKingSideCastleWild:
4959 case WhiteASideCastleFR:
4960 case BlackASideCastleFR:
4962 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4964 case WhiteNonPromotion:
4965 case BlackNonPromotion:
4966 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4968 case WhitePromotion:
4969 case BlackPromotion:
4970 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4971 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4972 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4973 PieceToChar(WhiteFerz));
4974 else if(gameInfo.variant == VariantGreat)
4975 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4976 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4977 PieceToChar(WhiteMan));
4979 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4980 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4986 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4987 ToUpper(PieceToChar((ChessSquare) fromX)),
4988 AAA + toX, ONE + toY);
4990 case IllegalMove: /* could be a variant we don't quite understand */
4991 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4993 case WhiteCapturesEnPassant:
4994 case BlackCapturesEnPassant:
4995 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4996 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4999 SendToICS(user_move);
5000 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5001 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5006 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5007 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5008 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5009 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5010 DisplayError("You cannot do this while you are playing or observing", 0);
5013 if(gameMode != IcsExamining) { // is this ever not the case?
5014 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5016 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5017 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5018 } else { // on FICS we must first go to general examine mode
5019 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5021 if(gameInfo.variant != VariantNormal) {
5022 // try figure out wild number, as xboard names are not always valid on ICS
5023 for(i=1; i<=36; i++) {
5024 snprintf(buf, MSG_SIZ, "wild/%d", i);
5025 if(StringToVariant(buf) == gameInfo.variant) break;
5027 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5028 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5029 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5030 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5031 SendToICS(ics_prefix);
5033 if(startedFromSetupPosition || backwardMostMove != 0) {
5034 fen = PositionToFEN(backwardMostMove, NULL);
5035 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5036 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5038 } else { // FICS: everything has to set by separate bsetup commands
5039 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5040 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5042 if(!WhiteOnMove(backwardMostMove)) {
5043 SendToICS("bsetup tomove black\n");
5045 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5046 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5048 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5049 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5051 i = boards[backwardMostMove][EP_STATUS];
5052 if(i >= 0) { // set e.p.
5053 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5059 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5060 SendToICS("bsetup done\n"); // switch to normal examining.
5062 for(i = backwardMostMove; i<last; i++) {
5064 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5067 SendToICS(ics_prefix);
5068 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5072 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5077 if (rf == DROP_RANK) {
5078 sprintf(move, "%c@%c%c\n",
5079 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5081 if (promoChar == 'x' || promoChar == NULLCHAR) {
5082 sprintf(move, "%c%c%c%c\n",
5083 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5085 sprintf(move, "%c%c%c%c%c\n",
5086 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5092 ProcessICSInitScript(f)
5097 while (fgets(buf, MSG_SIZ, f)) {
5098 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5105 static int lastX, lastY, selectFlag, dragging;
5110 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5111 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5112 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5113 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5114 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5115 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5118 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5119 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5120 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5121 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5123 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5124 appData.testLegality && (promoSweep == king ||
5125 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5126 ChangeDragPiece(promoSweep);
5129 int PromoScroll(int x, int y)
5133 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5134 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5135 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5136 if(!step) return FALSE;
5137 lastX = x; lastY = y;
5138 if((promoSweep < BlackPawn) == flipView) step = -step;
5139 if(step > 0) selectFlag = 1;
5140 if(!selectFlag) Sweep(step);
5147 ChessSquare piece = boards[currentMove][toY][toX];
5150 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5151 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5152 if(!step) step = -1;
5153 } while(PieceToChar(pieceSweep) == '.');
5154 boards[currentMove][toY][toX] = pieceSweep;
5155 DrawPosition(FALSE, boards[currentMove]);
5156 boards[currentMove][toY][toX] = piece;
5158 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5160 AlphaRank(char *move, int n)
5162 // char *p = move, c; int x, y;
5164 if (appData.debugMode) {
5165 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5169 move[2]>='0' && move[2]<='9' &&
5170 move[3]>='a' && move[3]<='x' ) {
5172 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5173 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5175 if(move[0]>='0' && move[0]<='9' &&
5176 move[1]>='a' && move[1]<='x' &&
5177 move[2]>='0' && move[2]<='9' &&
5178 move[3]>='a' && move[3]<='x' ) {
5179 /* input move, Shogi -> normal */
5180 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5181 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5182 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5183 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5186 move[3]>='0' && move[3]<='9' &&
5187 move[2]>='a' && move[2]<='x' ) {
5189 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5190 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5193 move[0]>='a' && move[0]<='x' &&
5194 move[3]>='0' && move[3]<='9' &&
5195 move[2]>='a' && move[2]<='x' ) {
5196 /* output move, normal -> Shogi */
5197 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5198 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5199 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5200 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5201 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5203 if (appData.debugMode) {
5204 fprintf(debugFP, " out = '%s'\n", move);
5208 char yy_textstr[8000];
5210 /* Parser for moves from gnuchess, ICS, or user typein box */
5212 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5215 ChessMove *moveType;
5216 int *fromX, *fromY, *toX, *toY;
5219 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5221 switch (*moveType) {
5222 case WhitePromotion:
5223 case BlackPromotion:
5224 case WhiteNonPromotion:
5225 case BlackNonPromotion:
5227 case WhiteCapturesEnPassant:
5228 case BlackCapturesEnPassant:
5229 case WhiteKingSideCastle:
5230 case WhiteQueenSideCastle:
5231 case BlackKingSideCastle:
5232 case BlackQueenSideCastle:
5233 case WhiteKingSideCastleWild:
5234 case WhiteQueenSideCastleWild:
5235 case BlackKingSideCastleWild:
5236 case BlackQueenSideCastleWild:
5237 /* Code added by Tord: */
5238 case WhiteHSideCastleFR:
5239 case WhiteASideCastleFR:
5240 case BlackHSideCastleFR:
5241 case BlackASideCastleFR:
5242 /* End of code added by Tord */
5243 case IllegalMove: /* bug or odd chess variant */
5244 *fromX = currentMoveString[0] - AAA;
5245 *fromY = currentMoveString[1] - ONE;
5246 *toX = currentMoveString[2] - AAA;
5247 *toY = currentMoveString[3] - ONE;
5248 *promoChar = currentMoveString[4];
5249 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5250 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5251 if (appData.debugMode) {
5252 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5254 *fromX = *fromY = *toX = *toY = 0;
5257 if (appData.testLegality) {
5258 return (*moveType != IllegalMove);
5260 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5261 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5266 *fromX = *moveType == WhiteDrop ?
5267 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5268 (int) CharToPiece(ToLower(currentMoveString[0]));
5270 *toX = currentMoveString[2] - AAA;
5271 *toY = currentMoveString[3] - ONE;
5272 *promoChar = NULLCHAR;
5276 case ImpossibleMove:
5286 if (appData.debugMode) {
5287 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5290 *fromX = *fromY = *toX = *toY = 0;
5291 *promoChar = NULLCHAR;
5296 Boolean pushed = FALSE;
5297 char *lastParseAttempt;
5300 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5301 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5302 int fromX, fromY, toX, toY; char promoChar;
5307 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5308 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5311 endPV = forwardMostMove;
5313 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5314 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5315 lastParseAttempt = pv;
5316 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5317 if(appData.debugMode){
5318 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);
5320 if(!valid && nr == 0 &&
5321 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5322 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5323 // Hande case where played move is different from leading PV move
5324 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5325 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5326 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5327 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5328 endPV += 2; // if position different, keep this
5329 moveList[endPV-1][0] = fromX + AAA;
5330 moveList[endPV-1][1] = fromY + ONE;
5331 moveList[endPV-1][2] = toX + AAA;
5332 moveList[endPV-1][3] = toY + ONE;
5333 parseList[endPV-1][0] = NULLCHAR;
5334 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5337 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5338 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5339 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5340 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5341 valid++; // allow comments in PV
5345 if(endPV+1 > framePtr) break; // no space, truncate
5348 CopyBoard(boards[endPV], boards[endPV-1]);
5349 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5350 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5351 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5352 CoordsToAlgebraic(boards[endPV - 1],
5353 PosFlags(endPV - 1),
5354 fromY, fromX, toY, toX, promoChar,
5355 parseList[endPV - 1]);
5357 if(atEnd == 2) return; // used hidden, for PV conversion
5358 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5359 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5360 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5361 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5362 DrawPosition(TRUE, boards[currentMove]);
5366 MultiPV(ChessProgramState *cps)
5367 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5369 for(i=0; i<cps->nrOptions; i++)
5370 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5376 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5378 int startPV, multi, lineStart, origIndex = index;
5379 char *p, buf2[MSG_SIZ];
5381 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5382 lastX = x; lastY = y;
5383 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5384 lineStart = startPV = index;
5385 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5386 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5388 do{ while(buf[index] && buf[index] != '\n') index++;
5389 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5391 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5392 int n = first.option[multi].value;
5393 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5394 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5395 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5396 first.option[multi].value = n;
5400 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5401 *start = startPV; *end = index-1;
5408 static char buf[10*MSG_SIZ];
5409 int i, k=0, savedEnd=endPV;
5411 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5412 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5413 for(i = forwardMostMove; i<endPV; i++){
5414 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5415 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5418 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5419 if(forwardMostMove < savedEnd) PopInner(0);
5425 LoadPV(int x, int y)
5426 { // called on right mouse click to load PV
5427 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5428 lastX = x; lastY = y;
5429 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5436 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5437 if(endPV < 0) return;
5439 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5440 Boolean saveAnimate = appData.animate;
5442 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5443 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5444 } else storedGames--; // abandon shelved tail of original game
5447 forwardMostMove = currentMove;
5448 currentMove = oldFMM;
5449 appData.animate = FALSE;
5450 ToNrEvent(forwardMostMove);
5451 appData.animate = saveAnimate;
5453 currentMove = forwardMostMove;
5454 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5455 ClearPremoveHighlights();
5456 DrawPosition(TRUE, boards[currentMove]);
5460 MovePV(int x, int y, int h)
5461 { // step through PV based on mouse coordinates (called on mouse move)
5462 int margin = h>>3, step = 0;
5464 // we must somehow check if right button is still down (might be released off board!)
5465 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5466 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5467 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5469 lastX = x; lastY = y;
5471 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5472 if(endPV < 0) return;
5473 if(y < margin) step = 1; else
5474 if(y > h - margin) step = -1;
5475 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5476 currentMove += step;
5477 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5478 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5479 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5480 DrawPosition(FALSE, boards[currentMove]);
5484 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5485 // All positions will have equal probability, but the current method will not provide a unique
5486 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5492 int piecesLeft[(int)BlackPawn];
5493 int seed, nrOfShuffles;
5495 void GetPositionNumber()
5496 { // sets global variable seed
5499 seed = appData.defaultFrcPosition;
5500 if(seed < 0) { // randomize based on time for negative FRC position numbers
5501 for(i=0; i<50; i++) seed += random();
5502 seed = random() ^ random() >> 8 ^ random() << 8;
5503 if(seed<0) seed = -seed;
5507 int put(Board board, int pieceType, int rank, int n, int shade)
5508 // put the piece on the (n-1)-th empty squares of the given shade
5512 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5513 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5514 board[rank][i] = (ChessSquare) pieceType;
5515 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5517 piecesLeft[pieceType]--;
5525 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5526 // calculate where the next piece goes, (any empty square), and put it there
5530 i = seed % squaresLeft[shade];
5531 nrOfShuffles *= squaresLeft[shade];
5532 seed /= squaresLeft[shade];
5533 put(board, pieceType, rank, i, shade);
5536 void AddTwoPieces(Board board, int pieceType, int rank)
5537 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5539 int i, n=squaresLeft[ANY], j=n-1, k;
5541 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5542 i = seed % k; // pick one
5545 while(i >= j) i -= j--;
5546 j = n - 1 - j; i += j;
5547 put(board, pieceType, rank, j, ANY);
5548 put(board, pieceType, rank, i, ANY);
5551 void SetUpShuffle(Board board, int number)
5555 GetPositionNumber(); nrOfShuffles = 1;
5557 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5558 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5559 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5561 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5563 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5564 p = (int) board[0][i];
5565 if(p < (int) BlackPawn) piecesLeft[p] ++;
5566 board[0][i] = EmptySquare;
5569 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5570 // shuffles restricted to allow normal castling put KRR first
5571 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5572 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5573 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5574 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5575 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5576 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5577 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5578 put(board, WhiteRook, 0, 0, ANY);
5579 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5582 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5583 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5584 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5585 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5586 while(piecesLeft[p] >= 2) {
5587 AddOnePiece(board, p, 0, LITE);
5588 AddOnePiece(board, p, 0, DARK);
5590 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5593 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5594 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5595 // but we leave King and Rooks for last, to possibly obey FRC restriction
5596 if(p == (int)WhiteRook) continue;
5597 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5598 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5601 // now everything is placed, except perhaps King (Unicorn) and Rooks
5603 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5604 // Last King gets castling rights
5605 while(piecesLeft[(int)WhiteUnicorn]) {
5606 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5607 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5610 while(piecesLeft[(int)WhiteKing]) {
5611 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5612 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5617 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5618 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5621 // Only Rooks can be left; simply place them all
5622 while(piecesLeft[(int)WhiteRook]) {
5623 i = put(board, WhiteRook, 0, 0, ANY);
5624 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5627 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5629 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5632 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5633 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5636 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5639 int SetCharTable( char *table, const char * map )
5640 /* [HGM] moved here from winboard.c because of its general usefulness */
5641 /* Basically a safe strcpy that uses the last character as King */
5643 int result = FALSE; int NrPieces;
5645 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5646 && NrPieces >= 12 && !(NrPieces&1)) {
5647 int i; /* [HGM] Accept even length from 12 to 34 */
5649 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5650 for( i=0; i<NrPieces/2-1; i++ ) {
5652 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5654 table[(int) WhiteKing] = map[NrPieces/2-1];
5655 table[(int) BlackKing] = map[NrPieces-1];
5663 void Prelude(Board board)
5664 { // [HGM] superchess: random selection of exo-pieces
5665 int i, j, k; ChessSquare p;
5666 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5668 GetPositionNumber(); // use FRC position number
5670 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5671 SetCharTable(pieceToChar, appData.pieceToCharTable);
5672 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5673 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5676 j = seed%4; seed /= 4;
5677 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5678 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5679 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5680 j = seed%3 + (seed%3 >= j); seed /= 3;
5681 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5682 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5683 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5684 j = seed%3; seed /= 3;
5685 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5686 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5687 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5688 j = seed%2 + (seed%2 >= j); seed /= 2;
5689 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5690 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5691 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5692 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5693 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5694 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5695 put(board, exoPieces[0], 0, 0, ANY);
5696 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5700 InitPosition(redraw)
5703 ChessSquare (* pieces)[BOARD_FILES];
5704 int i, j, pawnRow, overrule,
5705 oldx = gameInfo.boardWidth,
5706 oldy = gameInfo.boardHeight,
5707 oldh = gameInfo.holdingsWidth;
5710 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5712 /* [AS] Initialize pv info list [HGM] and game status */
5714 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5715 pvInfoList[i].depth = 0;
5716 boards[i][EP_STATUS] = EP_NONE;
5717 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5720 initialRulePlies = 0; /* 50-move counter start */
5722 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5723 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5727 /* [HGM] logic here is completely changed. In stead of full positions */
5728 /* the initialized data only consist of the two backranks. The switch */
5729 /* selects which one we will use, which is than copied to the Board */
5730 /* initialPosition, which for the rest is initialized by Pawns and */
5731 /* empty squares. This initial position is then copied to boards[0], */
5732 /* possibly after shuffling, so that it remains available. */
5734 gameInfo.holdingsWidth = 0; /* default board sizes */
5735 gameInfo.boardWidth = 8;
5736 gameInfo.boardHeight = 8;
5737 gameInfo.holdingsSize = 0;
5738 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5739 for(i=0; i<BOARD_FILES-2; i++)
5740 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5741 initialPosition[EP_STATUS] = EP_NONE;
5742 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5743 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5744 SetCharTable(pieceNickName, appData.pieceNickNames);
5745 else SetCharTable(pieceNickName, "............");
5748 switch (gameInfo.variant) {
5749 case VariantFischeRandom:
5750 shuffleOpenings = TRUE;
5753 case VariantShatranj:
5754 pieces = ShatranjArray;
5755 nrCastlingRights = 0;
5756 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5759 pieces = makrukArray;
5760 nrCastlingRights = 0;
5761 startedFromSetupPosition = TRUE;
5762 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5764 case VariantTwoKings:
5765 pieces = twoKingsArray;
5768 pieces = GrandArray;
5769 nrCastlingRights = 0;
5770 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5771 gameInfo.boardWidth = 10;
5772 gameInfo.boardHeight = 10;
5773 gameInfo.holdingsSize = 7;
5775 case VariantCapaRandom:
5776 shuffleOpenings = TRUE;
5777 case VariantCapablanca:
5778 pieces = CapablancaArray;
5779 gameInfo.boardWidth = 10;
5780 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5783 pieces = GothicArray;
5784 gameInfo.boardWidth = 10;
5785 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5788 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5789 gameInfo.holdingsSize = 7;
5792 pieces = JanusArray;
5793 gameInfo.boardWidth = 10;
5794 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5795 nrCastlingRights = 6;
5796 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5797 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5798 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5799 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5800 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5801 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5804 pieces = FalconArray;
5805 gameInfo.boardWidth = 10;
5806 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5808 case VariantXiangqi:
5809 pieces = XiangqiArray;
5810 gameInfo.boardWidth = 9;
5811 gameInfo.boardHeight = 10;
5812 nrCastlingRights = 0;
5813 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5816 pieces = ShogiArray;
5817 gameInfo.boardWidth = 9;
5818 gameInfo.boardHeight = 9;
5819 gameInfo.holdingsSize = 7;
5820 nrCastlingRights = 0;
5821 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5823 case VariantCourier:
5824 pieces = CourierArray;
5825 gameInfo.boardWidth = 12;
5826 nrCastlingRights = 0;
5827 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5829 case VariantKnightmate:
5830 pieces = KnightmateArray;
5831 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5833 case VariantSpartan:
5834 pieces = SpartanArray;
5835 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5838 pieces = fairyArray;
5839 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5842 pieces = GreatArray;
5843 gameInfo.boardWidth = 10;
5844 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5845 gameInfo.holdingsSize = 8;
5849 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5850 gameInfo.holdingsSize = 8;
5851 startedFromSetupPosition = TRUE;
5853 case VariantCrazyhouse:
5854 case VariantBughouse:
5856 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5857 gameInfo.holdingsSize = 5;
5859 case VariantWildCastle:
5861 /* !!?shuffle with kings guaranteed to be on d or e file */
5862 shuffleOpenings = 1;
5864 case VariantNoCastle:
5866 nrCastlingRights = 0;
5867 /* !!?unconstrained back-rank shuffle */
5868 shuffleOpenings = 1;
5873 if(appData.NrFiles >= 0) {
5874 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5875 gameInfo.boardWidth = appData.NrFiles;
5877 if(appData.NrRanks >= 0) {
5878 gameInfo.boardHeight = appData.NrRanks;
5880 if(appData.holdingsSize >= 0) {
5881 i = appData.holdingsSize;
5882 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5883 gameInfo.holdingsSize = i;
5885 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5886 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5887 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5889 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5890 if(pawnRow < 1) pawnRow = 1;
5891 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5893 /* User pieceToChar list overrules defaults */
5894 if(appData.pieceToCharTable != NULL)
5895 SetCharTable(pieceToChar, appData.pieceToCharTable);
5897 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5899 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5900 s = (ChessSquare) 0; /* account holding counts in guard band */
5901 for( i=0; i<BOARD_HEIGHT; i++ )
5902 initialPosition[i][j] = s;
5904 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5905 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5906 initialPosition[pawnRow][j] = WhitePawn;
5907 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5908 if(gameInfo.variant == VariantXiangqi) {
5910 initialPosition[pawnRow][j] =
5911 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5912 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5913 initialPosition[2][j] = WhiteCannon;
5914 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5918 if(gameInfo.variant == VariantGrand) {
5919 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5920 initialPosition[0][j] = WhiteRook;
5921 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5924 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5926 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5929 initialPosition[1][j] = WhiteBishop;
5930 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5932 initialPosition[1][j] = WhiteRook;
5933 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5936 if( nrCastlingRights == -1) {
5937 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5938 /* This sets default castling rights from none to normal corners */
5939 /* Variants with other castling rights must set them themselves above */
5940 nrCastlingRights = 6;
5942 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5943 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5944 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5945 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5946 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5947 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5950 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5951 if(gameInfo.variant == VariantGreat) { // promotion commoners
5952 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5953 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5954 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5955 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5957 if( gameInfo.variant == VariantSChess ) {
5958 initialPosition[1][0] = BlackMarshall;
5959 initialPosition[2][0] = BlackAngel;
5960 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5961 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5962 initialPosition[1][1] = initialPosition[2][1] =
5963 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5965 if (appData.debugMode) {
5966 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5968 if(shuffleOpenings) {
5969 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5970 startedFromSetupPosition = TRUE;
5972 if(startedFromPositionFile) {
5973 /* [HGM] loadPos: use PositionFile for every new game */
5974 CopyBoard(initialPosition, filePosition);
5975 for(i=0; i<nrCastlingRights; i++)
5976 initialRights[i] = filePosition[CASTLING][i];
5977 startedFromSetupPosition = TRUE;
5980 CopyBoard(boards[0], initialPosition);
5982 if(oldx != gameInfo.boardWidth ||
5983 oldy != gameInfo.boardHeight ||
5984 oldv != gameInfo.variant ||
5985 oldh != gameInfo.holdingsWidth
5987 InitDrawingSizes(-2 ,0);
5989 oldv = gameInfo.variant;
5991 DrawPosition(TRUE, boards[currentMove]);
5995 SendBoard(cps, moveNum)
5996 ChessProgramState *cps;
5999 char message[MSG_SIZ];
6001 if (cps->useSetboard) {
6002 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6003 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6004 SendToProgram(message, cps);
6010 /* Kludge to set black to move, avoiding the troublesome and now
6011 * deprecated "black" command.
6013 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6014 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6016 SendToProgram("edit\n", cps);
6017 SendToProgram("#\n", cps);
6018 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6019 bp = &boards[moveNum][i][BOARD_LEFT];
6020 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6021 if ((int) *bp < (int) BlackPawn) {
6022 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6024 if(message[0] == '+' || message[0] == '~') {
6025 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6026 PieceToChar((ChessSquare)(DEMOTED *bp)),
6029 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6030 message[1] = BOARD_RGHT - 1 - j + '1';
6031 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6033 SendToProgram(message, cps);
6038 SendToProgram("c\n", cps);
6039 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6040 bp = &boards[moveNum][i][BOARD_LEFT];
6041 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6042 if (((int) *bp != (int) EmptySquare)
6043 && ((int) *bp >= (int) BlackPawn)) {
6044 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6046 if(message[0] == '+' || message[0] == '~') {
6047 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6048 PieceToChar((ChessSquare)(DEMOTED *bp)),
6051 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6052 message[1] = BOARD_RGHT - 1 - j + '1';
6053 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6055 SendToProgram(message, cps);
6060 SendToProgram(".\n", cps);
6062 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6066 DefaultPromoChoice(int white)
6069 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6070 result = WhiteFerz; // no choice
6071 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6072 result= WhiteKing; // in Suicide Q is the last thing we want
6073 else if(gameInfo.variant == VariantSpartan)
6074 result = white ? WhiteQueen : WhiteAngel;
6075 else result = WhiteQueen;
6076 if(!white) result = WHITE_TO_BLACK result;
6080 static int autoQueen; // [HGM] oneclick
6083 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
6085 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6086 /* [HGM] add Shogi promotions */
6087 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6092 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6093 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6095 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6096 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6099 piece = boards[currentMove][fromY][fromX];
6100 if(gameInfo.variant == VariantShogi) {
6101 promotionZoneSize = BOARD_HEIGHT/3;
6102 highestPromotingPiece = (int)WhiteFerz;
6103 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6104 promotionZoneSize = 3;
6107 // Treat Lance as Pawn when it is not representing Amazon
6108 if(gameInfo.variant != VariantSuper) {
6109 if(piece == WhiteLance) piece = WhitePawn; else
6110 if(piece == BlackLance) piece = BlackPawn;
6113 // next weed out all moves that do not touch the promotion zone at all
6114 if((int)piece >= BlackPawn) {
6115 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6117 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6119 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6120 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6123 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6125 // weed out mandatory Shogi promotions
6126 if(gameInfo.variant == VariantShogi) {
6127 if(piece >= BlackPawn) {
6128 if(toY == 0 && piece == BlackPawn ||
6129 toY == 0 && piece == BlackQueen ||
6130 toY <= 1 && piece == BlackKnight) {
6135 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6136 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6137 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6144 // weed out obviously illegal Pawn moves
6145 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6146 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6147 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6148 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6149 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6150 // note we are not allowed to test for valid (non-)capture, due to premove
6153 // we either have a choice what to promote to, or (in Shogi) whether to promote
6154 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6155 *promoChoice = PieceToChar(BlackFerz); // no choice
6158 // no sense asking what we must promote to if it is going to explode...
6159 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6160 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6163 // give caller the default choice even if we will not make it
6164 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6165 if(gameInfo.variant == VariantShogi) *promoChoice = '+';
6166 if(appData.sweepSelect && gameInfo.variant != VariantGreat
6167 && gameInfo.variant != VariantShogi
6168 && gameInfo.variant != VariantSuper) return FALSE;
6169 if(autoQueen) return FALSE; // predetermined
6171 // suppress promotion popup on illegal moves that are not premoves
6172 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6173 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6174 if(appData.testLegality && !premove) {
6175 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6176 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6177 if(moveType != WhitePromotion && moveType != BlackPromotion)
6185 InPalace(row, column)
6187 { /* [HGM] for Xiangqi */
6188 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6189 column < (BOARD_WIDTH + 4)/2 &&
6190 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6195 PieceForSquare (x, y)
6199 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6202 return boards[currentMove][y][x];
6206 OKToStartUserMove(x, y)
6209 ChessSquare from_piece;
6212 if (matchMode) return FALSE;
6213 if (gameMode == EditPosition) return TRUE;
6215 if (x >= 0 && y >= 0)
6216 from_piece = boards[currentMove][y][x];
6218 from_piece = EmptySquare;
6220 if (from_piece == EmptySquare) return FALSE;
6222 white_piece = (int)from_piece >= (int)WhitePawn &&
6223 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6226 case PlayFromGameFile:
6228 case TwoMachinesPlay:
6236 case MachinePlaysWhite:
6237 case IcsPlayingBlack:
6238 if (appData.zippyPlay) return FALSE;
6240 DisplayMoveError(_("You are playing Black"));
6245 case MachinePlaysBlack:
6246 case IcsPlayingWhite:
6247 if (appData.zippyPlay) return FALSE;
6249 DisplayMoveError(_("You are playing White"));
6255 if (!white_piece && WhiteOnMove(currentMove)) {
6256 DisplayMoveError(_("It is White's turn"));
6259 if (white_piece && !WhiteOnMove(currentMove)) {
6260 DisplayMoveError(_("It is Black's turn"));
6263 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6264 /* Editing correspondence game history */
6265 /* Could disallow this or prompt for confirmation */
6270 case BeginningOfGame:
6271 if (appData.icsActive) return FALSE;
6272 if (!appData.noChessProgram) {
6274 DisplayMoveError(_("You are playing White"));
6281 if (!white_piece && WhiteOnMove(currentMove)) {
6282 DisplayMoveError(_("It is White's turn"));
6285 if (white_piece && !WhiteOnMove(currentMove)) {
6286 DisplayMoveError(_("It is Black's turn"));
6295 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6296 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6297 && gameMode != AnalyzeFile && gameMode != Training) {
6298 DisplayMoveError(_("Displayed position is not current"));
6305 OnlyMove(int *x, int *y, Boolean captures) {
6306 DisambiguateClosure cl;
6307 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6309 case MachinePlaysBlack:
6310 case IcsPlayingWhite:
6311 case BeginningOfGame:
6312 if(!WhiteOnMove(currentMove)) return FALSE;
6314 case MachinePlaysWhite:
6315 case IcsPlayingBlack:
6316 if(WhiteOnMove(currentMove)) return FALSE;
6323 cl.pieceIn = EmptySquare;
6328 cl.promoCharIn = NULLCHAR;
6329 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6330 if( cl.kind == NormalMove ||
6331 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6332 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6333 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6340 if(cl.kind != ImpossibleMove) return FALSE;
6341 cl.pieceIn = EmptySquare;
6346 cl.promoCharIn = NULLCHAR;
6347 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6348 if( cl.kind == NormalMove ||
6349 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6350 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6351 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6356 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6362 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6363 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6364 int lastLoadGameUseList = FALSE;
6365 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6366 ChessMove lastLoadGameStart = EndOfFile;
6369 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6370 int fromX, fromY, toX, toY;
6374 ChessSquare pdown, pup;
6376 /* Check if the user is playing in turn. This is complicated because we
6377 let the user "pick up" a piece before it is his turn. So the piece he
6378 tried to pick up may have been captured by the time he puts it down!
6379 Therefore we use the color the user is supposed to be playing in this
6380 test, not the color of the piece that is currently on the starting
6381 square---except in EditGame mode, where the user is playing both
6382 sides; fortunately there the capture race can't happen. (It can
6383 now happen in IcsExamining mode, but that's just too bad. The user
6384 will get a somewhat confusing message in that case.)
6388 case PlayFromGameFile:
6390 case TwoMachinesPlay:
6394 /* We switched into a game mode where moves are not accepted,
6395 perhaps while the mouse button was down. */
6398 case MachinePlaysWhite:
6399 /* User is moving for Black */
6400 if (WhiteOnMove(currentMove)) {
6401 DisplayMoveError(_("It is White's turn"));
6406 case MachinePlaysBlack:
6407 /* User is moving for White */
6408 if (!WhiteOnMove(currentMove)) {
6409 DisplayMoveError(_("It is Black's turn"));
6416 case BeginningOfGame:
6419 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6420 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6421 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6422 /* User is moving for Black */
6423 if (WhiteOnMove(currentMove)) {
6424 DisplayMoveError(_("It is White's turn"));
6428 /* User is moving for White */
6429 if (!WhiteOnMove(currentMove)) {
6430 DisplayMoveError(_("It is Black's turn"));
6436 case IcsPlayingBlack:
6437 /* User is moving for Black */
6438 if (WhiteOnMove(currentMove)) {
6439 if (!appData.premove) {
6440 DisplayMoveError(_("It is White's turn"));
6441 } else if (toX >= 0 && toY >= 0) {
6444 premoveFromX = fromX;
6445 premoveFromY = fromY;
6446 premovePromoChar = promoChar;
6448 if (appData.debugMode)
6449 fprintf(debugFP, "Got premove: fromX %d,"
6450 "fromY %d, toX %d, toY %d\n",
6451 fromX, fromY, toX, toY);
6457 case IcsPlayingWhite:
6458 /* User is moving for White */
6459 if (!WhiteOnMove(currentMove)) {
6460 if (!appData.premove) {
6461 DisplayMoveError(_("It is Black's turn"));
6462 } else if (toX >= 0 && toY >= 0) {
6465 premoveFromX = fromX;
6466 premoveFromY = fromY;
6467 premovePromoChar = promoChar;
6469 if (appData.debugMode)
6470 fprintf(debugFP, "Got premove: fromX %d,"
6471 "fromY %d, toX %d, toY %d\n",
6472 fromX, fromY, toX, toY);
6482 /* EditPosition, empty square, or different color piece;
6483 click-click move is possible */
6484 if (toX == -2 || toY == -2) {
6485 boards[0][fromY][fromX] = EmptySquare;
6486 DrawPosition(FALSE, boards[currentMove]);
6488 } else if (toX >= 0 && toY >= 0) {
6489 boards[0][toY][toX] = boards[0][fromY][fromX];
6490 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6491 if(boards[0][fromY][0] != EmptySquare) {
6492 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6493 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6496 if(fromX == BOARD_RGHT+1) {
6497 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6498 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6499 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6502 boards[0][fromY][fromX] = EmptySquare;
6503 DrawPosition(FALSE, boards[currentMove]);
6509 if(toX < 0 || toY < 0) return;
6510 pdown = boards[currentMove][fromY][fromX];
6511 pup = boards[currentMove][toY][toX];
6513 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6514 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6515 if( pup != EmptySquare ) return;
6516 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6517 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6518 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6519 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6520 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6521 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6522 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6526 /* [HGM] always test for legality, to get promotion info */
6527 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6528 fromY, fromX, toY, toX, promoChar);
6529 /* [HGM] but possibly ignore an IllegalMove result */
6530 if (appData.testLegality) {
6531 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6532 DisplayMoveError(_("Illegal move"));
6537 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6540 /* Common tail of UserMoveEvent and DropMenuEvent */
6542 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6544 int fromX, fromY, toX, toY;
6545 /*char*/int promoChar;
6549 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6550 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6551 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6552 if(WhiteOnMove(currentMove)) {
6553 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6555 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6559 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6560 move type in caller when we know the move is a legal promotion */
6561 if(moveType == NormalMove && promoChar)
6562 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6564 /* [HGM] <popupFix> The following if has been moved here from
6565 UserMoveEvent(). Because it seemed to belong here (why not allow
6566 piece drops in training games?), and because it can only be
6567 performed after it is known to what we promote. */
6568 if (gameMode == Training) {
6569 /* compare the move played on the board to the next move in the
6570 * game. If they match, display the move and the opponent's response.
6571 * If they don't match, display an error message.
6575 CopyBoard(testBoard, boards[currentMove]);
6576 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6578 if (CompareBoards(testBoard, boards[currentMove+1])) {
6579 ForwardInner(currentMove+1);
6581 /* Autoplay the opponent's response.
6582 * if appData.animate was TRUE when Training mode was entered,
6583 * the response will be animated.
6585 saveAnimate = appData.animate;
6586 appData.animate = animateTraining;
6587 ForwardInner(currentMove+1);
6588 appData.animate = saveAnimate;
6590 /* check for the end of the game */
6591 if (currentMove >= forwardMostMove) {
6592 gameMode = PlayFromGameFile;
6594 SetTrainingModeOff();
6595 DisplayInformation(_("End of game"));
6598 DisplayError(_("Incorrect move"), 0);
6603 /* Ok, now we know that the move is good, so we can kill
6604 the previous line in Analysis Mode */
6605 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6606 && currentMove < forwardMostMove) {
6607 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6608 else forwardMostMove = currentMove;
6611 /* If we need the chess program but it's dead, restart it */
6612 ResurrectChessProgram();
6614 /* A user move restarts a paused game*/
6618 thinkOutput[0] = NULLCHAR;
6620 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6622 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6623 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6627 if (gameMode == BeginningOfGame) {
6628 if (appData.noChessProgram) {
6629 gameMode = EditGame;
6633 gameMode = MachinePlaysBlack;
6636 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6638 if (first.sendName) {
6639 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6640 SendToProgram(buf, &first);
6647 /* Relay move to ICS or chess engine */
6648 if (appData.icsActive) {
6649 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6650 gameMode == IcsExamining) {
6651 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6652 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6654 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6656 // also send plain move, in case ICS does not understand atomic claims
6657 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6661 if (first.sendTime && (gameMode == BeginningOfGame ||
6662 gameMode == MachinePlaysWhite ||
6663 gameMode == MachinePlaysBlack)) {
6664 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6666 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6667 // [HGM] book: if program might be playing, let it use book
6668 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6669 first.maybeThinking = TRUE;
6670 } else SendMoveToProgram(forwardMostMove-1, &first);
6671 if (currentMove == cmailOldMove + 1) {
6672 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6676 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6680 if(appData.testLegality)
6681 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6687 if (WhiteOnMove(currentMove)) {
6688 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6690 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6694 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6699 case MachinePlaysBlack:
6700 case MachinePlaysWhite:
6701 /* disable certain menu options while machine is thinking */
6702 SetMachineThinkingEnables();
6709 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6710 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6712 if(bookHit) { // [HGM] book: simulate book reply
6713 static char bookMove[MSG_SIZ]; // a bit generous?
6715 programStats.nodes = programStats.depth = programStats.time =
6716 programStats.score = programStats.got_only_move = 0;
6717 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6719 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6720 strcat(bookMove, bookHit);
6721 HandleMachineMove(bookMove, &first);
6727 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6734 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6735 Markers *m = (Markers *) closure;
6736 if(rf == fromY && ff == fromX)
6737 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6738 || kind == WhiteCapturesEnPassant
6739 || kind == BlackCapturesEnPassant);
6740 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6744 MarkTargetSquares(int clear)
6747 if(!appData.markers || !appData.highlightDragging ||
6748 !appData.testLegality || gameMode == EditPosition) return;
6750 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6753 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6754 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6755 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6757 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6760 DrawPosition(TRUE, NULL);
6764 Explode(Board board, int fromX, int fromY, int toX, int toY)
6766 if(gameInfo.variant == VariantAtomic &&
6767 (board[toY][toX] != EmptySquare || // capture?
6768 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6769 board[fromY][fromX] == BlackPawn )
6771 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6777 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6779 int CanPromote(ChessSquare piece, int y)
6781 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6782 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6783 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6784 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6785 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6786 gameInfo.variant == VariantMakruk) return FALSE;
6787 return (piece == BlackPawn && y == 1 ||
6788 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6789 piece == BlackLance && y == 1 ||
6790 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6793 void LeftClick(ClickType clickType, int xPix, int yPix)
6796 Boolean saveAnimate;
6797 static int second = 0, promotionChoice = 0, clearFlag = 0;
6798 char promoChoice = NULLCHAR;
6801 if(appData.seekGraph && appData.icsActive && loggedOn &&
6802 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6803 SeekGraphClick(clickType, xPix, yPix, 0);
6807 if (clickType == Press) ErrorPopDown();
6808 MarkTargetSquares(1);
6810 x = EventToSquare(xPix, BOARD_WIDTH);
6811 y = EventToSquare(yPix, BOARD_HEIGHT);
6812 if (!flipView && y >= 0) {
6813 y = BOARD_HEIGHT - 1 - y;
6815 if (flipView && x >= 0) {
6816 x = BOARD_WIDTH - 1 - x;
6819 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6820 defaultPromoChoice = promoSweep;
6821 promoSweep = EmptySquare; // terminate sweep
6822 promoDefaultAltered = TRUE;
6823 if(!selectFlag) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6826 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6827 if(clickType == Release) return; // ignore upclick of click-click destination
6828 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6829 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6830 if(gameInfo.holdingsWidth &&
6831 (WhiteOnMove(currentMove)
6832 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6833 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6834 // click in right holdings, for determining promotion piece
6835 ChessSquare p = boards[currentMove][y][x];
6836 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6837 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6838 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6839 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6844 DrawPosition(FALSE, boards[currentMove]);
6848 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6849 if(clickType == Press
6850 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6851 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6852 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6855 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6856 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6858 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6859 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6860 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6861 defaultPromoChoice = DefaultPromoChoice(side);
6864 autoQueen = appData.alwaysPromoteToQueen;
6868 gatingPiece = EmptySquare;
6869 if (clickType != Press) {
6870 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6871 DragPieceEnd(xPix, yPix); dragging = 0;
6872 DrawPosition(FALSE, NULL);
6876 fromX = x; fromY = y;
6877 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6878 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6879 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6881 if (OKToStartUserMove(fromX, fromY)) {
6883 MarkTargetSquares(0);
6884 DragPieceBegin(xPix, yPix); dragging = 1;
6885 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6886 promoSweep = defaultPromoChoice;
6887 selectFlag = 0; lastX = xPix; lastY = yPix;
6888 Sweep(0); // Pawn that is going to promote: preview promotion piece
6889 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6891 if (appData.highlightDragging) {
6892 SetHighlights(fromX, fromY, -1, -1);
6894 } else fromX = fromY = -1;
6900 if (clickType == Press && gameMode != EditPosition) {
6905 // ignore off-board to clicks
6906 if(y < 0 || x < 0) return;
6908 /* Check if clicking again on the same color piece */
6909 fromP = boards[currentMove][fromY][fromX];
6910 toP = boards[currentMove][y][x];
6911 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6912 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6913 WhitePawn <= toP && toP <= WhiteKing &&
6914 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6915 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6916 (BlackPawn <= fromP && fromP <= BlackKing &&
6917 BlackPawn <= toP && toP <= BlackKing &&
6918 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6919 !(fromP == BlackKing && toP == BlackRook && frc))) {
6920 /* Clicked again on same color piece -- changed his mind */
6921 second = (x == fromX && y == fromY);
6922 promoDefaultAltered = FALSE;
6923 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6924 if (appData.highlightDragging) {
6925 SetHighlights(x, y, -1, -1);
6929 if (OKToStartUserMove(x, y)) {
6930 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6931 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6932 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6933 gatingPiece = boards[currentMove][fromY][fromX];
6934 else gatingPiece = EmptySquare;
6936 fromY = y; dragging = 1;
6937 MarkTargetSquares(0);
6938 DragPieceBegin(xPix, yPix);
6939 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6940 promoSweep = defaultPromoChoice;
6941 selectFlag = 0; lastX = xPix; lastY = yPix;
6942 Sweep(0); // Pawn that is going to promote: preview promotion piece
6946 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6949 // ignore clicks on holdings
6950 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6953 if (clickType == Release && x == fromX && y == fromY) {
6954 DragPieceEnd(xPix, yPix); dragging = 0;
6956 // a deferred attempt to click-click move an empty square on top of a piece
6957 boards[currentMove][y][x] = EmptySquare;
6959 DrawPosition(FALSE, boards[currentMove]);
6960 fromX = fromY = -1; clearFlag = 0;
6963 if (appData.animateDragging) {
6964 /* Undo animation damage if any */
6965 DrawPosition(FALSE, NULL);
6968 /* Second up/down in same square; just abort move */
6971 gatingPiece = EmptySquare;
6974 ClearPremoveHighlights();
6976 /* First upclick in same square; start click-click mode */
6977 SetHighlights(x, y, -1, -1);
6984 /* we now have a different from- and (possibly off-board) to-square */
6985 /* Completed move */
6988 saveAnimate = appData.animate;
6989 if (clickType == Press) {
6990 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
6991 // must be Edit Position mode with empty-square selected
6992 fromX = x; fromY = y; DragPieceBegin(xPix, yPix); dragging = 1; // consider this a new attempt to drag
6993 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
6996 /* Finish clickclick move */
6997 if (appData.animate || appData.highlightLastMove) {
6998 SetHighlights(fromX, fromY, toX, toY);
7003 /* Finish drag move */
7004 if (appData.highlightLastMove) {
7005 SetHighlights(fromX, fromY, toX, toY);
7009 DragPieceEnd(xPix, yPix); dragging = 0;
7010 /* Don't animate move and drag both */
7011 appData.animate = FALSE;
7014 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7015 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7016 ChessSquare piece = boards[currentMove][fromY][fromX];
7017 if(gameMode == EditPosition && piece != EmptySquare &&
7018 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7021 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7022 n = PieceToNumber(piece - (int)BlackPawn);
7023 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7024 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7025 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7027 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7028 n = PieceToNumber(piece);
7029 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7030 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7031 boards[currentMove][n][BOARD_WIDTH-2]++;
7033 boards[currentMove][fromY][fromX] = EmptySquare;
7037 DrawPosition(TRUE, boards[currentMove]);
7041 // off-board moves should not be highlighted
7042 if(x < 0 || y < 0) ClearHighlights();
7044 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7046 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
7047 SetHighlights(fromX, fromY, toX, toY);
7048 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7049 // [HGM] super: promotion to captured piece selected from holdings
7050 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7051 promotionChoice = TRUE;
7052 // kludge follows to temporarily execute move on display, without promoting yet
7053 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7054 boards[currentMove][toY][toX] = p;
7055 DrawPosition(FALSE, boards[currentMove]);
7056 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7057 boards[currentMove][toY][toX] = q;
7058 DisplayMessage("Click in holdings to choose piece", "");
7063 int oldMove = currentMove;
7064 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7065 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7066 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7067 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7068 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7069 DrawPosition(TRUE, boards[currentMove]);
7072 appData.animate = saveAnimate;
7073 if (appData.animate || appData.animateDragging) {
7074 /* Undo animation damage if needed */
7075 DrawPosition(FALSE, NULL);
7079 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7080 { // front-end-free part taken out of PieceMenuPopup
7081 int whichMenu; int xSqr, ySqr;
7083 if(seekGraphUp) { // [HGM] seekgraph
7084 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7085 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7089 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7090 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7091 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7092 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7093 if(action == Press) {
7094 originalFlip = flipView;
7095 flipView = !flipView; // temporarily flip board to see game from partners perspective
7096 DrawPosition(TRUE, partnerBoard);
7097 DisplayMessage(partnerStatus, "");
7099 } else if(action == Release) {
7100 flipView = originalFlip;
7101 DrawPosition(TRUE, boards[currentMove]);
7107 xSqr = EventToSquare(x, BOARD_WIDTH);
7108 ySqr = EventToSquare(y, BOARD_HEIGHT);
7109 if (action == Release) {
7110 if(pieceSweep != EmptySquare) {
7111 EditPositionMenuEvent(pieceSweep, toX, toY);
7112 pieceSweep = EmptySquare;
7113 } else UnLoadPV(); // [HGM] pv
7115 if (action != Press) return -2; // return code to be ignored
7118 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7120 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7121 if (xSqr < 0 || ySqr < 0) return -1;
7122 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7123 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7124 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7125 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7129 if(!appData.icsEngineAnalyze) return -1;
7130 case IcsPlayingWhite:
7131 case IcsPlayingBlack:
7132 if(!appData.zippyPlay) goto noZip;
7135 case MachinePlaysWhite:
7136 case MachinePlaysBlack:
7137 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7138 if (!appData.dropMenu) {
7140 return 2; // flag front-end to grab mouse events
7142 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7143 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7146 if (xSqr < 0 || ySqr < 0) return -1;
7147 if (!appData.dropMenu || appData.testLegality &&
7148 gameInfo.variant != VariantBughouse &&
7149 gameInfo.variant != VariantCrazyhouse) return -1;
7150 whichMenu = 1; // drop menu
7156 if (((*fromX = xSqr) < 0) ||
7157 ((*fromY = ySqr) < 0)) {
7158 *fromX = *fromY = -1;
7162 *fromX = BOARD_WIDTH - 1 - *fromX;
7164 *fromY = BOARD_HEIGHT - 1 - *fromY;
7169 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7171 // char * hint = lastHint;
7172 FrontEndProgramStats stats;
7174 stats.which = cps == &first ? 0 : 1;
7175 stats.depth = cpstats->depth;
7176 stats.nodes = cpstats->nodes;
7177 stats.score = cpstats->score;
7178 stats.time = cpstats->time;
7179 stats.pv = cpstats->movelist;
7180 stats.hint = lastHint;
7181 stats.an_move_index = 0;
7182 stats.an_move_count = 0;
7184 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7185 stats.hint = cpstats->move_name;
7186 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7187 stats.an_move_count = cpstats->nr_moves;
7190 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
7192 SetProgramStats( &stats );
7196 ClearEngineOutputPane(int which)
7198 static FrontEndProgramStats dummyStats;
7199 dummyStats.which = which;
7200 dummyStats.pv = "#";
7201 SetProgramStats( &dummyStats );
7204 #define MAXPLAYERS 500
7207 TourneyStandings(int display)
7209 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7210 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7211 char result, *p, *names[MAXPLAYERS];
7213 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7214 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7215 names[0] = p = strdup(appData.participants);
7216 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7218 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7220 while(result = appData.results[nr]) {
7221 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7222 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7223 wScore = bScore = 0;
7225 case '+': wScore = 2; break;
7226 case '-': bScore = 2; break;
7227 case '=': wScore = bScore = 1; break;
7229 case '*': return strdup("busy"); // tourney not finished
7237 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7238 for(w=0; w<nPlayers; w++) {
7240 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7241 ranking[w] = b; points[w] = bScore; score[b] = -2;
7243 p = malloc(nPlayers*34+1);
7244 for(w=0; w<nPlayers && w<display; w++)
7245 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7251 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7252 { // count all piece types
7254 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7255 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7256 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7259 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7260 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7261 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7262 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7263 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7264 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7269 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7271 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7272 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7274 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7275 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7276 if(myPawns == 2 && nMine == 3) // KPP
7277 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7278 if(myPawns == 1 && nMine == 2) // KP
7279 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7280 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7281 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7282 if(myPawns) return FALSE;
7283 if(pCnt[WhiteRook+side])
7284 return pCnt[BlackRook-side] ||
7285 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7286 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7287 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7288 if(pCnt[WhiteCannon+side]) {
7289 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7290 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7292 if(pCnt[WhiteKnight+side])
7293 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7298 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7300 VariantClass v = gameInfo.variant;
7302 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7303 if(v == VariantShatranj) return TRUE; // always winnable through baring
7304 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7305 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7307 if(v == VariantXiangqi) {
7308 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7310 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7311 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7312 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7313 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7314 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7315 if(stale) // we have at least one last-rank P plus perhaps C
7316 return majors // KPKX
7317 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7319 return pCnt[WhiteFerz+side] // KCAK
7320 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7321 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7322 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7324 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7325 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7327 if(nMine == 1) return FALSE; // bare King
7328 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
7329 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7330 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7331 // by now we have King + 1 piece (or multiple Bishops on the same color)
7332 if(pCnt[WhiteKnight+side])
7333 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7334 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7335 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7337 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7338 if(pCnt[WhiteAlfil+side])
7339 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7340 if(pCnt[WhiteWazir+side])
7341 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7348 Adjudicate(ChessProgramState *cps)
7349 { // [HGM] some adjudications useful with buggy engines
7350 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7351 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7352 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7353 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7354 int k, count = 0; static int bare = 1;
7355 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7356 Boolean canAdjudicate = !appData.icsActive;
7358 // most tests only when we understand the game, i.e. legality-checking on
7359 if( appData.testLegality )
7360 { /* [HGM] Some more adjudications for obstinate engines */
7361 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7362 static int moveCount = 6;
7364 char *reason = NULL;
7366 /* Count what is on board. */
7367 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7369 /* Some material-based adjudications that have to be made before stalemate test */
7370 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7371 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7372 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7373 if(canAdjudicate && appData.checkMates) {
7375 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7376 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7377 "Xboard adjudication: King destroyed", GE_XBOARD );
7382 /* Bare King in Shatranj (loses) or Losers (wins) */
7383 if( nrW == 1 || nrB == 1) {
7384 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7385 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7386 if(canAdjudicate && appData.checkMates) {
7388 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7389 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7390 "Xboard adjudication: Bare king", GE_XBOARD );
7394 if( gameInfo.variant == VariantShatranj && --bare < 0)
7396 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7397 if(canAdjudicate && appData.checkMates) {
7398 /* but only adjudicate if adjudication enabled */
7400 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7401 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7402 "Xboard adjudication: Bare king", GE_XBOARD );
7409 // don't wait for engine to announce game end if we can judge ourselves
7410 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7412 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7413 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7414 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7415 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7418 reason = "Xboard adjudication: 3rd check";
7419 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7429 reason = "Xboard adjudication: Stalemate";
7430 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7431 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7432 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7433 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7434 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7435 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7436 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7437 EP_CHECKMATE : EP_WINS);
7438 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7439 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7443 reason = "Xboard adjudication: Checkmate";
7444 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7448 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7450 result = GameIsDrawn; break;
7452 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7454 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7458 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7460 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7461 GameEnds( result, reason, GE_XBOARD );
7465 /* Next absolutely insufficient mating material. */
7466 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7467 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7468 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7470 /* always flag draws, for judging claims */
7471 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7473 if(canAdjudicate && appData.materialDraws) {
7474 /* but only adjudicate them if adjudication enabled */
7475 if(engineOpponent) {
7476 SendToProgram("force\n", engineOpponent); // suppress reply
7477 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7479 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7484 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7485 if(gameInfo.variant == VariantXiangqi ?
7486 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7488 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7489 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7490 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7491 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7493 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7494 { /* if the first 3 moves do not show a tactical win, declare draw */
7495 if(engineOpponent) {
7496 SendToProgram("force\n", engineOpponent); // suppress reply
7497 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7499 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7502 } else moveCount = 6;
7504 if (appData.debugMode) { int i;
7505 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7506 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7507 appData.drawRepeats);
7508 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7509 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7513 // Repetition draws and 50-move rule can be applied independently of legality testing
7515 /* Check for rep-draws */
7517 for(k = forwardMostMove-2;
7518 k>=backwardMostMove && k>=forwardMostMove-100 &&
7519 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7520 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7523 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7524 /* compare castling rights */
7525 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7526 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7527 rights++; /* King lost rights, while rook still had them */
7528 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7529 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7530 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7531 rights++; /* but at least one rook lost them */
7533 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7534 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7536 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7537 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7538 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7541 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7542 && appData.drawRepeats > 1) {
7543 /* adjudicate after user-specified nr of repeats */
7544 int result = GameIsDrawn;
7545 char *details = "XBoard adjudication: repetition draw";
7546 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7547 // [HGM] xiangqi: check for forbidden perpetuals
7548 int m, ourPerpetual = 1, hisPerpetual = 1;
7549 for(m=forwardMostMove; m>k; m-=2) {
7550 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7551 ourPerpetual = 0; // the current mover did not always check
7552 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7553 hisPerpetual = 0; // the opponent did not always check
7555 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7556 ourPerpetual, hisPerpetual);
7557 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7558 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7559 details = "Xboard adjudication: perpetual checking";
7561 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7562 break; // (or we would have caught him before). Abort repetition-checking loop.
7564 // Now check for perpetual chases
7565 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7566 hisPerpetual = PerpetualChase(k, forwardMostMove);
7567 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7568 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7569 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7570 details = "Xboard adjudication: perpetual chasing";
7572 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7573 break; // Abort repetition-checking loop.
7575 // if neither of us is checking or chasing all the time, or both are, it is draw
7577 if(engineOpponent) {
7578 SendToProgram("force\n", engineOpponent); // suppress reply
7579 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7581 GameEnds( result, details, GE_XBOARD );
7584 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7585 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7589 /* Now we test for 50-move draws. Determine ply count */
7590 count = forwardMostMove;
7591 /* look for last irreversble move */
7592 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7594 /* if we hit starting position, add initial plies */
7595 if( count == backwardMostMove )
7596 count -= initialRulePlies;
7597 count = forwardMostMove - count;
7598 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7599 // adjust reversible move counter for checks in Xiangqi
7600 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7601 if(i < backwardMostMove) i = backwardMostMove;
7602 while(i <= forwardMostMove) {
7603 lastCheck = inCheck; // check evasion does not count
7604 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7605 if(inCheck || lastCheck) count--; // check does not count
7610 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7611 /* this is used to judge if draw claims are legal */
7612 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7613 if(engineOpponent) {
7614 SendToProgram("force\n", engineOpponent); // suppress reply
7615 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7617 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7621 /* if draw offer is pending, treat it as a draw claim
7622 * when draw condition present, to allow engines a way to
7623 * claim draws before making their move to avoid a race
7624 * condition occurring after their move
7626 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7628 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7629 p = "Draw claim: 50-move rule";
7630 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7631 p = "Draw claim: 3-fold repetition";
7632 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7633 p = "Draw claim: insufficient mating material";
7634 if( p != NULL && canAdjudicate) {
7635 if(engineOpponent) {
7636 SendToProgram("force\n", engineOpponent); // suppress reply
7637 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7639 GameEnds( GameIsDrawn, p, GE_XBOARD );
7644 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7645 if(engineOpponent) {
7646 SendToProgram("force\n", engineOpponent); // suppress reply
7647 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7649 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7655 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7656 { // [HGM] book: this routine intercepts moves to simulate book replies
7657 char *bookHit = NULL;
7659 //first determine if the incoming move brings opponent into his book
7660 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7661 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7662 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7663 if(bookHit != NULL && !cps->bookSuspend) {
7664 // make sure opponent is not going to reply after receiving move to book position
7665 SendToProgram("force\n", cps);
7666 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7668 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7669 // now arrange restart after book miss
7671 // after a book hit we never send 'go', and the code after the call to this routine
7672 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7673 char buf[MSG_SIZ], *move = bookHit;
7675 int fromX, fromY, toX, toY;
7679 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7680 &fromX, &fromY, &toX, &toY, &promoChar)) {
7681 (void) CoordsToAlgebraic(boards[forwardMostMove],
7682 PosFlags(forwardMostMove),
7683 fromY, fromX, toY, toX, promoChar, move);
7685 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7689 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7690 SendToProgram(buf, cps);
7691 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7692 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7693 SendToProgram("go\n", cps);
7694 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7695 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7696 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7697 SendToProgram("go\n", cps);
7698 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7700 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7704 ChessProgramState *savedState;
7705 void DeferredBookMove(void)
7707 if(savedState->lastPing != savedState->lastPong)
7708 ScheduleDelayedEvent(DeferredBookMove, 10);
7710 HandleMachineMove(savedMessage, savedState);
7713 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7716 HandleMachineMove(message, cps)
7718 ChessProgramState *cps;
7720 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7721 char realname[MSG_SIZ];
7722 int fromX, fromY, toX, toY;
7729 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7730 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7731 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7732 DisplayError(_("Invalid pairing from pairing engine"), 0);
7735 pairingReceived = 1;
7737 return; // Skim the pairing messages here.
7742 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7744 * Kludge to ignore BEL characters
7746 while (*message == '\007') message++;
7749 * [HGM] engine debug message: ignore lines starting with '#' character
7751 if(cps->debug && *message == '#') return;
7754 * Look for book output
7756 if (cps == &first && bookRequested) {
7757 if (message[0] == '\t' || message[0] == ' ') {
7758 /* Part of the book output is here; append it */
7759 strcat(bookOutput, message);
7760 strcat(bookOutput, " \n");
7762 } else if (bookOutput[0] != NULLCHAR) {
7763 /* All of book output has arrived; display it */
7764 char *p = bookOutput;
7765 while (*p != NULLCHAR) {
7766 if (*p == '\t') *p = ' ';
7769 DisplayInformation(bookOutput);
7770 bookRequested = FALSE;
7771 /* Fall through to parse the current output */
7776 * Look for machine move.
7778 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7779 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7781 /* This method is only useful on engines that support ping */
7782 if (cps->lastPing != cps->lastPong) {
7783 if (gameMode == BeginningOfGame) {
7784 /* Extra move from before last new; ignore */
7785 if (appData.debugMode) {
7786 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7789 if (appData.debugMode) {
7790 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7791 cps->which, gameMode);
7794 SendToProgram("undo\n", cps);
7800 case BeginningOfGame:
7801 /* Extra move from before last reset; ignore */
7802 if (appData.debugMode) {
7803 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7810 /* Extra move after we tried to stop. The mode test is
7811 not a reliable way of detecting this problem, but it's
7812 the best we can do on engines that don't support ping.
7814 if (appData.debugMode) {
7815 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7816 cps->which, gameMode);
7818 SendToProgram("undo\n", cps);
7821 case MachinePlaysWhite:
7822 case IcsPlayingWhite:
7823 machineWhite = TRUE;
7826 case MachinePlaysBlack:
7827 case IcsPlayingBlack:
7828 machineWhite = FALSE;
7831 case TwoMachinesPlay:
7832 machineWhite = (cps->twoMachinesColor[0] == 'w');
7835 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7836 if (appData.debugMode) {
7838 "Ignoring move out of turn by %s, gameMode %d"
7839 ", forwardMost %d\n",
7840 cps->which, gameMode, forwardMostMove);
7845 if (appData.debugMode) { int f = forwardMostMove;
7846 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7847 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7848 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7850 if(cps->alphaRank) AlphaRank(machineMove, 4);
7851 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7852 &fromX, &fromY, &toX, &toY, &promoChar)) {
7853 /* Machine move could not be parsed; ignore it. */
7854 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7855 machineMove, _(cps->which));
7856 DisplayError(buf1, 0);
7857 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7858 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7859 if (gameMode == TwoMachinesPlay) {
7860 GameEnds(machineWhite ? BlackWins : WhiteWins,
7866 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7867 /* So we have to redo legality test with true e.p. status here, */
7868 /* to make sure an illegal e.p. capture does not slip through, */
7869 /* to cause a forfeit on a justified illegal-move complaint */
7870 /* of the opponent. */
7871 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7873 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7874 fromY, fromX, toY, toX, promoChar);
7875 if (appData.debugMode) {
7877 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7878 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7879 fprintf(debugFP, "castling rights\n");
7881 if(moveType == IllegalMove) {
7882 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7883 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7884 GameEnds(machineWhite ? BlackWins : WhiteWins,
7887 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7888 /* [HGM] Kludge to handle engines that send FRC-style castling
7889 when they shouldn't (like TSCP-Gothic) */
7891 case WhiteASideCastleFR:
7892 case BlackASideCastleFR:
7894 currentMoveString[2]++;
7896 case WhiteHSideCastleFR:
7897 case BlackHSideCastleFR:
7899 currentMoveString[2]--;
7901 default: ; // nothing to do, but suppresses warning of pedantic compilers
7904 hintRequested = FALSE;
7905 lastHint[0] = NULLCHAR;
7906 bookRequested = FALSE;
7907 /* Program may be pondering now */
7908 cps->maybeThinking = TRUE;
7909 if (cps->sendTime == 2) cps->sendTime = 1;
7910 if (cps->offeredDraw) cps->offeredDraw--;
7912 /* [AS] Save move info*/
7913 pvInfoList[ forwardMostMove ].score = programStats.score;
7914 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7915 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7917 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7919 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7920 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7923 while( count < adjudicateLossPlies ) {
7924 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7927 score = -score; /* Flip score for winning side */
7930 if( score > adjudicateLossThreshold ) {
7937 if( count >= adjudicateLossPlies ) {
7938 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7940 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7941 "Xboard adjudication",
7948 if(Adjudicate(cps)) {
7949 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7950 return; // [HGM] adjudicate: for all automatic game ends
7954 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7956 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7957 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7959 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7961 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7963 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7964 char buf[3*MSG_SIZ];
7966 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7967 programStats.score / 100.,
7969 programStats.time / 100.,
7970 (unsigned int)programStats.nodes,
7971 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7972 programStats.movelist);
7974 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7979 /* [AS] Clear stats for next move */
7980 ClearProgramStats();
7981 thinkOutput[0] = NULLCHAR;
7982 hiddenThinkOutputState = 0;
7985 if (gameMode == TwoMachinesPlay) {
7986 /* [HGM] relaying draw offers moved to after reception of move */
7987 /* and interpreting offer as claim if it brings draw condition */
7988 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7989 SendToProgram("draw\n", cps->other);
7991 if (cps->other->sendTime) {
7992 SendTimeRemaining(cps->other,
7993 cps->other->twoMachinesColor[0] == 'w');
7995 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7996 if (firstMove && !bookHit) {
7998 if (cps->other->useColors) {
7999 SendToProgram(cps->other->twoMachinesColor, cps->other);
8001 SendToProgram("go\n", cps->other);
8003 cps->other->maybeThinking = TRUE;
8006 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8008 if (!pausing && appData.ringBellAfterMoves) {
8013 * Reenable menu items that were disabled while
8014 * machine was thinking
8016 if (gameMode != TwoMachinesPlay)
8017 SetUserThinkingEnables();
8019 // [HGM] book: after book hit opponent has received move and is now in force mode
8020 // force the book reply into it, and then fake that it outputted this move by jumping
8021 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8023 static char bookMove[MSG_SIZ]; // a bit generous?
8025 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8026 strcat(bookMove, bookHit);
8029 programStats.nodes = programStats.depth = programStats.time =
8030 programStats.score = programStats.got_only_move = 0;
8031 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8033 if(cps->lastPing != cps->lastPong) {
8034 savedMessage = message; // args for deferred call
8036 ScheduleDelayedEvent(DeferredBookMove, 10);
8045 /* Set special modes for chess engines. Later something general
8046 * could be added here; for now there is just one kludge feature,
8047 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8048 * when "xboard" is given as an interactive command.
8050 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8051 cps->useSigint = FALSE;
8052 cps->useSigterm = FALSE;
8054 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8055 ParseFeatures(message+8, cps);
8056 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8059 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8060 int dummy, s=6; char buf[MSG_SIZ];
8061 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8062 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8063 ParseFEN(boards[0], &dummy, message+s);
8064 DrawPosition(TRUE, boards[0]);
8065 startedFromSetupPosition = TRUE;
8068 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8069 * want this, I was asked to put it in, and obliged.
8071 if (!strncmp(message, "setboard ", 9)) {
8072 Board initial_position;
8074 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8076 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8077 DisplayError(_("Bad FEN received from engine"), 0);
8081 CopyBoard(boards[0], initial_position);
8082 initialRulePlies = FENrulePlies;
8083 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8084 else gameMode = MachinePlaysBlack;
8085 DrawPosition(FALSE, boards[currentMove]);
8091 * Look for communication commands
8093 if (!strncmp(message, "telluser ", 9)) {
8094 if(message[9] == '\\' && message[10] == '\\')
8095 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8097 DisplayNote(message + 9);
8100 if (!strncmp(message, "tellusererror ", 14)) {
8102 if(message[14] == '\\' && message[15] == '\\')
8103 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8105 DisplayError(message + 14, 0);
8108 if (!strncmp(message, "tellopponent ", 13)) {
8109 if (appData.icsActive) {
8111 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8115 DisplayNote(message + 13);
8119 if (!strncmp(message, "tellothers ", 11)) {
8120 if (appData.icsActive) {
8122 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8128 if (!strncmp(message, "tellall ", 8)) {
8129 if (appData.icsActive) {
8131 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8135 DisplayNote(message + 8);
8139 if (strncmp(message, "warning", 7) == 0) {
8140 /* Undocumented feature, use tellusererror in new code */
8141 DisplayError(message, 0);
8144 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8145 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8146 strcat(realname, " query");
8147 AskQuestion(realname, buf2, buf1, cps->pr);
8150 /* Commands from the engine directly to ICS. We don't allow these to be
8151 * sent until we are logged on. Crafty kibitzes have been known to
8152 * interfere with the login process.
8155 if (!strncmp(message, "tellics ", 8)) {
8156 SendToICS(message + 8);
8160 if (!strncmp(message, "tellicsnoalias ", 15)) {
8161 SendToICS(ics_prefix);
8162 SendToICS(message + 15);
8166 /* The following are for backward compatibility only */
8167 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8168 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8169 SendToICS(ics_prefix);
8175 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8179 * If the move is illegal, cancel it and redraw the board.
8180 * Also deal with other error cases. Matching is rather loose
8181 * here to accommodate engines written before the spec.
8183 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8184 strncmp(message, "Error", 5) == 0) {
8185 if (StrStr(message, "name") ||
8186 StrStr(message, "rating") || StrStr(message, "?") ||
8187 StrStr(message, "result") || StrStr(message, "board") ||
8188 StrStr(message, "bk") || StrStr(message, "computer") ||
8189 StrStr(message, "variant") || StrStr(message, "hint") ||
8190 StrStr(message, "random") || StrStr(message, "depth") ||
8191 StrStr(message, "accepted")) {
8194 if (StrStr(message, "protover")) {
8195 /* Program is responding to input, so it's apparently done
8196 initializing, and this error message indicates it is
8197 protocol version 1. So we don't need to wait any longer
8198 for it to initialize and send feature commands. */
8199 FeatureDone(cps, 1);
8200 cps->protocolVersion = 1;
8203 cps->maybeThinking = FALSE;
8205 if (StrStr(message, "draw")) {
8206 /* Program doesn't have "draw" command */
8207 cps->sendDrawOffers = 0;
8210 if (cps->sendTime != 1 &&
8211 (StrStr(message, "time") || StrStr(message, "otim"))) {
8212 /* Program apparently doesn't have "time" or "otim" command */
8216 if (StrStr(message, "analyze")) {
8217 cps->analysisSupport = FALSE;
8218 cps->analyzing = FALSE;
8220 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8221 DisplayError(buf2, 0);
8224 if (StrStr(message, "(no matching move)st")) {
8225 /* Special kludge for GNU Chess 4 only */
8226 cps->stKludge = TRUE;
8227 SendTimeControl(cps, movesPerSession, timeControl,
8228 timeIncrement, appData.searchDepth,
8232 if (StrStr(message, "(no matching move)sd")) {
8233 /* Special kludge for GNU Chess 4 only */
8234 cps->sdKludge = TRUE;
8235 SendTimeControl(cps, movesPerSession, timeControl,
8236 timeIncrement, appData.searchDepth,
8240 if (!StrStr(message, "llegal")) {
8243 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8244 gameMode == IcsIdle) return;
8245 if (forwardMostMove <= backwardMostMove) return;
8246 if (pausing) PauseEvent();
8247 if(appData.forceIllegal) {
8248 // [HGM] illegal: machine refused move; force position after move into it
8249 SendToProgram("force\n", cps);
8250 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8251 // we have a real problem now, as SendBoard will use the a2a3 kludge
8252 // when black is to move, while there might be nothing on a2 or black
8253 // might already have the move. So send the board as if white has the move.
8254 // But first we must change the stm of the engine, as it refused the last move
8255 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8256 if(WhiteOnMove(forwardMostMove)) {
8257 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8258 SendBoard(cps, forwardMostMove); // kludgeless board
8260 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8261 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8262 SendBoard(cps, forwardMostMove+1); // kludgeless board
8264 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8265 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8266 gameMode == TwoMachinesPlay)
8267 SendToProgram("go\n", cps);
8270 if (gameMode == PlayFromGameFile) {
8271 /* Stop reading this game file */
8272 gameMode = EditGame;
8275 /* [HGM] illegal-move claim should forfeit game when Xboard */
8276 /* only passes fully legal moves */
8277 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8278 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8279 "False illegal-move claim", GE_XBOARD );
8280 return; // do not take back move we tested as valid
8282 currentMove = forwardMostMove-1;
8283 DisplayMove(currentMove-1); /* before DisplayMoveError */
8284 SwitchClocks(forwardMostMove-1); // [HGM] race
8285 DisplayBothClocks();
8286 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8287 parseList[currentMove], _(cps->which));
8288 DisplayMoveError(buf1);
8289 DrawPosition(FALSE, boards[currentMove]);
8292 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8293 /* Program has a broken "time" command that
8294 outputs a string not ending in newline.
8300 * If chess program startup fails, exit with an error message.
8301 * Attempts to recover here are futile.
8303 if ((StrStr(message, "unknown host") != NULL)
8304 || (StrStr(message, "No remote directory") != NULL)
8305 || (StrStr(message, "not found") != NULL)
8306 || (StrStr(message, "No such file") != NULL)
8307 || (StrStr(message, "can't alloc") != NULL)
8308 || (StrStr(message, "Permission denied") != NULL)) {
8310 cps->maybeThinking = FALSE;
8311 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8312 _(cps->which), cps->program, cps->host, message);
8313 RemoveInputSource(cps->isr);
8314 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8315 if(cps == &first) appData.noChessProgram = TRUE;
8316 DisplayError(buf1, 0);
8322 * Look for hint output
8324 if (sscanf(message, "Hint: %s", buf1) == 1) {
8325 if (cps == &first && hintRequested) {
8326 hintRequested = FALSE;
8327 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8328 &fromX, &fromY, &toX, &toY, &promoChar)) {
8329 (void) CoordsToAlgebraic(boards[forwardMostMove],
8330 PosFlags(forwardMostMove),
8331 fromY, fromX, toY, toX, promoChar, buf1);
8332 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8333 DisplayInformation(buf2);
8335 /* Hint move could not be parsed!? */
8336 snprintf(buf2, sizeof(buf2),
8337 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8338 buf1, _(cps->which));
8339 DisplayError(buf2, 0);
8342 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8348 * Ignore other messages if game is not in progress
8350 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8351 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8354 * look for win, lose, draw, or draw offer
8356 if (strncmp(message, "1-0", 3) == 0) {
8357 char *p, *q, *r = "";
8358 p = strchr(message, '{');
8366 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8368 } else if (strncmp(message, "0-1", 3) == 0) {
8369 char *p, *q, *r = "";
8370 p = strchr(message, '{');
8378 /* Kludge for Arasan 4.1 bug */
8379 if (strcmp(r, "Black resigns") == 0) {
8380 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8383 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8385 } else if (strncmp(message, "1/2", 3) == 0) {
8386 char *p, *q, *r = "";
8387 p = strchr(message, '{');
8396 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8399 } else if (strncmp(message, "White resign", 12) == 0) {
8400 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8402 } else if (strncmp(message, "Black resign", 12) == 0) {
8403 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8405 } else if (strncmp(message, "White matches", 13) == 0 ||
8406 strncmp(message, "Black matches", 13) == 0 ) {
8407 /* [HGM] ignore GNUShogi noises */
8409 } else if (strncmp(message, "White", 5) == 0 &&
8410 message[5] != '(' &&
8411 StrStr(message, "Black") == NULL) {
8412 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8414 } else if (strncmp(message, "Black", 5) == 0 &&
8415 message[5] != '(') {
8416 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8418 } else if (strcmp(message, "resign") == 0 ||
8419 strcmp(message, "computer resigns") == 0) {
8421 case MachinePlaysBlack:
8422 case IcsPlayingBlack:
8423 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8425 case MachinePlaysWhite:
8426 case IcsPlayingWhite:
8427 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8429 case TwoMachinesPlay:
8430 if (cps->twoMachinesColor[0] == 'w')
8431 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8433 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8440 } else if (strncmp(message, "opponent mates", 14) == 0) {
8442 case MachinePlaysBlack:
8443 case IcsPlayingBlack:
8444 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8446 case MachinePlaysWhite:
8447 case IcsPlayingWhite:
8448 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8450 case TwoMachinesPlay:
8451 if (cps->twoMachinesColor[0] == 'w')
8452 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8454 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8461 } else if (strncmp(message, "computer mates", 14) == 0) {
8463 case MachinePlaysBlack:
8464 case IcsPlayingBlack:
8465 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8467 case MachinePlaysWhite:
8468 case IcsPlayingWhite:
8469 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8471 case TwoMachinesPlay:
8472 if (cps->twoMachinesColor[0] == 'w')
8473 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8475 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8482 } else if (strncmp(message, "checkmate", 9) == 0) {
8483 if (WhiteOnMove(forwardMostMove)) {
8484 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8486 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8489 } else if (strstr(message, "Draw") != NULL ||
8490 strstr(message, "game is a draw") != NULL) {
8491 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8493 } else if (strstr(message, "offer") != NULL &&
8494 strstr(message, "draw") != NULL) {
8496 if (appData.zippyPlay && first.initDone) {
8497 /* Relay offer to ICS */
8498 SendToICS(ics_prefix);
8499 SendToICS("draw\n");
8502 cps->offeredDraw = 2; /* valid until this engine moves twice */
8503 if (gameMode == TwoMachinesPlay) {
8504 if (cps->other->offeredDraw) {
8505 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8506 /* [HGM] in two-machine mode we delay relaying draw offer */
8507 /* until after we also have move, to see if it is really claim */
8509 } else if (gameMode == MachinePlaysWhite ||
8510 gameMode == MachinePlaysBlack) {
8511 if (userOfferedDraw) {
8512 DisplayInformation(_("Machine accepts your draw offer"));
8513 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8515 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8522 * Look for thinking output
8524 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8525 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8527 int plylev, mvleft, mvtot, curscore, time;
8528 char mvname[MOVE_LEN];
8532 int prefixHint = FALSE;
8533 mvname[0] = NULLCHAR;
8536 case MachinePlaysBlack:
8537 case IcsPlayingBlack:
8538 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8540 case MachinePlaysWhite:
8541 case IcsPlayingWhite:
8542 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8547 case IcsObserving: /* [DM] icsEngineAnalyze */
8548 if (!appData.icsEngineAnalyze) ignore = TRUE;
8550 case TwoMachinesPlay:
8551 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8561 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8563 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8564 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8566 if (plyext != ' ' && plyext != '\t') {
8570 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8571 if( cps->scoreIsAbsolute &&
8572 ( gameMode == MachinePlaysBlack ||
8573 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8574 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8575 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8576 !WhiteOnMove(currentMove)
8579 curscore = -curscore;
8582 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8584 tempStats.depth = plylev;
8585 tempStats.nodes = nodes;
8586 tempStats.time = time;
8587 tempStats.score = curscore;
8588 tempStats.got_only_move = 0;
8590 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8593 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8594 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8595 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8596 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8597 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8598 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8599 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8600 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8603 /* Buffer overflow protection */
8604 if (pv[0] != NULLCHAR) {
8605 if (strlen(pv) >= sizeof(tempStats.movelist)
8606 && appData.debugMode) {
8608 "PV is too long; using the first %u bytes.\n",
8609 (unsigned) sizeof(tempStats.movelist) - 1);
8612 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8614 sprintf(tempStats.movelist, " no PV\n");
8617 if (tempStats.seen_stat) {
8618 tempStats.ok_to_send = 1;
8621 if (strchr(tempStats.movelist, '(') != NULL) {
8622 tempStats.line_is_book = 1;
8623 tempStats.nr_moves = 0;
8624 tempStats.moves_left = 0;
8626 tempStats.line_is_book = 0;
8629 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8630 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8632 SendProgramStatsToFrontend( cps, &tempStats );
8635 [AS] Protect the thinkOutput buffer from overflow... this
8636 is only useful if buf1 hasn't overflowed first!
8638 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8640 (gameMode == TwoMachinesPlay ?
8641 ToUpper(cps->twoMachinesColor[0]) : ' '),
8642 ((double) curscore) / 100.0,
8643 prefixHint ? lastHint : "",
8644 prefixHint ? " " : "" );
8646 if( buf1[0] != NULLCHAR ) {
8647 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8649 if( strlen(pv) > max_len ) {
8650 if( appData.debugMode) {
8651 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8653 pv[max_len+1] = '\0';
8656 strcat( thinkOutput, pv);
8659 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8660 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8661 DisplayMove(currentMove - 1);
8665 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8666 /* crafty (9.25+) says "(only move) <move>"
8667 * if there is only 1 legal move
8669 sscanf(p, "(only move) %s", buf1);
8670 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8671 sprintf(programStats.movelist, "%s (only move)", buf1);
8672 programStats.depth = 1;
8673 programStats.nr_moves = 1;
8674 programStats.moves_left = 1;
8675 programStats.nodes = 1;
8676 programStats.time = 1;
8677 programStats.got_only_move = 1;
8679 /* Not really, but we also use this member to
8680 mean "line isn't going to change" (Crafty
8681 isn't searching, so stats won't change) */
8682 programStats.line_is_book = 1;
8684 SendProgramStatsToFrontend( cps, &programStats );
8686 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8687 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8688 DisplayMove(currentMove - 1);
8691 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8692 &time, &nodes, &plylev, &mvleft,
8693 &mvtot, mvname) >= 5) {
8694 /* The stat01: line is from Crafty (9.29+) in response
8695 to the "." command */
8696 programStats.seen_stat = 1;
8697 cps->maybeThinking = TRUE;
8699 if (programStats.got_only_move || !appData.periodicUpdates)
8702 programStats.depth = plylev;
8703 programStats.time = time;
8704 programStats.nodes = nodes;
8705 programStats.moves_left = mvleft;
8706 programStats.nr_moves = mvtot;
8707 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8708 programStats.ok_to_send = 1;
8709 programStats.movelist[0] = '\0';
8711 SendProgramStatsToFrontend( cps, &programStats );
8715 } else if (strncmp(message,"++",2) == 0) {
8716 /* Crafty 9.29+ outputs this */
8717 programStats.got_fail = 2;
8720 } else if (strncmp(message,"--",2) == 0) {
8721 /* Crafty 9.29+ outputs this */
8722 programStats.got_fail = 1;
8725 } else if (thinkOutput[0] != NULLCHAR &&
8726 strncmp(message, " ", 4) == 0) {
8727 unsigned message_len;
8730 while (*p && *p == ' ') p++;
8732 message_len = strlen( p );
8734 /* [AS] Avoid buffer overflow */
8735 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8736 strcat(thinkOutput, " ");
8737 strcat(thinkOutput, p);
8740 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8741 strcat(programStats.movelist, " ");
8742 strcat(programStats.movelist, p);
8745 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8746 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8747 DisplayMove(currentMove - 1);
8755 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8756 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8758 ChessProgramStats cpstats;
8760 if (plyext != ' ' && plyext != '\t') {
8764 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8765 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8766 curscore = -curscore;
8769 cpstats.depth = plylev;
8770 cpstats.nodes = nodes;
8771 cpstats.time = time;
8772 cpstats.score = curscore;
8773 cpstats.got_only_move = 0;
8774 cpstats.movelist[0] = '\0';
8776 if (buf1[0] != NULLCHAR) {
8777 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8780 cpstats.ok_to_send = 0;
8781 cpstats.line_is_book = 0;
8782 cpstats.nr_moves = 0;
8783 cpstats.moves_left = 0;
8785 SendProgramStatsToFrontend( cps, &cpstats );
8792 /* Parse a game score from the character string "game", and
8793 record it as the history of the current game. The game
8794 score is NOT assumed to start from the standard position.
8795 The display is not updated in any way.
8798 ParseGameHistory(game)
8802 int fromX, fromY, toX, toY, boardIndex;
8807 if (appData.debugMode)
8808 fprintf(debugFP, "Parsing game history: %s\n", game);
8810 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8811 gameInfo.site = StrSave(appData.icsHost);
8812 gameInfo.date = PGNDate();
8813 gameInfo.round = StrSave("-");
8815 /* Parse out names of players */
8816 while (*game == ' ') game++;
8818 while (*game != ' ') *p++ = *game++;
8820 gameInfo.white = StrSave(buf);
8821 while (*game == ' ') game++;
8823 while (*game != ' ' && *game != '\n') *p++ = *game++;
8825 gameInfo.black = StrSave(buf);
8828 boardIndex = blackPlaysFirst ? 1 : 0;
8831 yyboardindex = boardIndex;
8832 moveType = (ChessMove) Myylex();
8834 case IllegalMove: /* maybe suicide chess, etc. */
8835 if (appData.debugMode) {
8836 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8837 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8838 setbuf(debugFP, NULL);
8840 case WhitePromotion:
8841 case BlackPromotion:
8842 case WhiteNonPromotion:
8843 case BlackNonPromotion:
8845 case WhiteCapturesEnPassant:
8846 case BlackCapturesEnPassant:
8847 case WhiteKingSideCastle:
8848 case WhiteQueenSideCastle:
8849 case BlackKingSideCastle:
8850 case BlackQueenSideCastle:
8851 case WhiteKingSideCastleWild:
8852 case WhiteQueenSideCastleWild:
8853 case BlackKingSideCastleWild:
8854 case BlackQueenSideCastleWild:
8856 case WhiteHSideCastleFR:
8857 case WhiteASideCastleFR:
8858 case BlackHSideCastleFR:
8859 case BlackASideCastleFR:
8861 fromX = currentMoveString[0] - AAA;
8862 fromY = currentMoveString[1] - ONE;
8863 toX = currentMoveString[2] - AAA;
8864 toY = currentMoveString[3] - ONE;
8865 promoChar = currentMoveString[4];
8869 fromX = moveType == WhiteDrop ?
8870 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8871 (int) CharToPiece(ToLower(currentMoveString[0]));
8873 toX = currentMoveString[2] - AAA;
8874 toY = currentMoveString[3] - ONE;
8875 promoChar = NULLCHAR;
8879 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8880 if (appData.debugMode) {
8881 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8882 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8883 setbuf(debugFP, NULL);
8885 DisplayError(buf, 0);
8887 case ImpossibleMove:
8889 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8890 if (appData.debugMode) {
8891 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8892 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8893 setbuf(debugFP, NULL);
8895 DisplayError(buf, 0);
8898 if (boardIndex < backwardMostMove) {
8899 /* Oops, gap. How did that happen? */
8900 DisplayError(_("Gap in move list"), 0);
8903 backwardMostMove = blackPlaysFirst ? 1 : 0;
8904 if (boardIndex > forwardMostMove) {
8905 forwardMostMove = boardIndex;
8909 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8910 strcat(parseList[boardIndex-1], " ");
8911 strcat(parseList[boardIndex-1], yy_text);
8923 case GameUnfinished:
8924 if (gameMode == IcsExamining) {
8925 if (boardIndex < backwardMostMove) {
8926 /* Oops, gap. How did that happen? */
8929 backwardMostMove = blackPlaysFirst ? 1 : 0;
8932 gameInfo.result = moveType;
8933 p = strchr(yy_text, '{');
8934 if (p == NULL) p = strchr(yy_text, '(');
8937 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8939 q = strchr(p, *p == '{' ? '}' : ')');
8940 if (q != NULL) *q = NULLCHAR;
8943 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8944 gameInfo.resultDetails = StrSave(p);
8947 if (boardIndex >= forwardMostMove &&
8948 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8949 backwardMostMove = blackPlaysFirst ? 1 : 0;
8952 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8953 fromY, fromX, toY, toX, promoChar,
8954 parseList[boardIndex]);
8955 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8956 /* currentMoveString is set as a side-effect of yylex */
8957 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8958 strcat(moveList[boardIndex], "\n");
8960 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8961 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8967 if(gameInfo.variant != VariantShogi)
8968 strcat(parseList[boardIndex - 1], "+");
8972 strcat(parseList[boardIndex - 1], "#");
8979 /* Apply a move to the given board */
8981 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8982 int fromX, fromY, toX, toY;
8986 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8987 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
8989 /* [HGM] compute & store e.p. status and castling rights for new position */
8990 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8992 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8993 oldEP = (signed char)board[EP_STATUS];
8994 board[EP_STATUS] = EP_NONE;
8996 if( board[toY][toX] != EmptySquare )
8997 board[EP_STATUS] = EP_CAPTURE;
8999 if (fromY == DROP_RANK) {
9001 piece = board[toY][toX] = (ChessSquare) fromX;
9005 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9006 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9007 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9009 if( board[fromY][fromX] == WhitePawn ) {
9010 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9011 board[EP_STATUS] = EP_PAWN_MOVE;
9013 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9014 gameInfo.variant != VariantBerolina || toX < fromX)
9015 board[EP_STATUS] = toX | berolina;
9016 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9017 gameInfo.variant != VariantBerolina || toX > fromX)
9018 board[EP_STATUS] = toX;
9021 if( board[fromY][fromX] == BlackPawn ) {
9022 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9023 board[EP_STATUS] = EP_PAWN_MOVE;
9024 if( toY-fromY== -2) {
9025 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9026 gameInfo.variant != VariantBerolina || toX < fromX)
9027 board[EP_STATUS] = toX | berolina;
9028 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9029 gameInfo.variant != VariantBerolina || toX > fromX)
9030 board[EP_STATUS] = toX;
9034 for(i=0; i<nrCastlingRights; i++) {
9035 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9036 board[CASTLING][i] == toX && castlingRank[i] == toY
9037 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9040 if (fromX == toX && fromY == toY) return;
9042 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9043 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9044 if(gameInfo.variant == VariantKnightmate)
9045 king += (int) WhiteUnicorn - (int) WhiteKing;
9047 /* Code added by Tord: */
9048 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9049 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9050 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9051 board[fromY][fromX] = EmptySquare;
9052 board[toY][toX] = EmptySquare;
9053 if((toX > fromX) != (piece == WhiteRook)) {
9054 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9056 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9058 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9059 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9060 board[fromY][fromX] = EmptySquare;
9061 board[toY][toX] = EmptySquare;
9062 if((toX > fromX) != (piece == BlackRook)) {
9063 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9065 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9067 /* End of code added by Tord */
9069 } else if (board[fromY][fromX] == king
9070 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9071 && toY == fromY && toX > fromX+1) {
9072 board[fromY][fromX] = EmptySquare;
9073 board[toY][toX] = king;
9074 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9075 board[fromY][BOARD_RGHT-1] = EmptySquare;
9076 } else if (board[fromY][fromX] == king
9077 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9078 && toY == fromY && toX < fromX-1) {
9079 board[fromY][fromX] = EmptySquare;
9080 board[toY][toX] = king;
9081 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9082 board[fromY][BOARD_LEFT] = EmptySquare;
9083 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9084 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9085 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9087 /* white pawn promotion */
9088 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9089 if(gameInfo.variant==VariantBughouse ||
9090 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9091 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9092 board[fromY][fromX] = EmptySquare;
9093 } else if ((fromY >= BOARD_HEIGHT>>1)
9095 && gameInfo.variant != VariantXiangqi
9096 && gameInfo.variant != VariantBerolina
9097 && (board[fromY][fromX] == WhitePawn)
9098 && (board[toY][toX] == EmptySquare)) {
9099 board[fromY][fromX] = EmptySquare;
9100 board[toY][toX] = WhitePawn;
9101 captured = board[toY - 1][toX];
9102 board[toY - 1][toX] = EmptySquare;
9103 } else if ((fromY == BOARD_HEIGHT-4)
9105 && gameInfo.variant == VariantBerolina
9106 && (board[fromY][fromX] == WhitePawn)
9107 && (board[toY][toX] == EmptySquare)) {
9108 board[fromY][fromX] = EmptySquare;
9109 board[toY][toX] = WhitePawn;
9110 if(oldEP & EP_BEROLIN_A) {
9111 captured = board[fromY][fromX-1];
9112 board[fromY][fromX-1] = EmptySquare;
9113 }else{ captured = board[fromY][fromX+1];
9114 board[fromY][fromX+1] = EmptySquare;
9116 } else if (board[fromY][fromX] == king
9117 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9118 && toY == fromY && toX > fromX+1) {
9119 board[fromY][fromX] = EmptySquare;
9120 board[toY][toX] = king;
9121 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9122 board[fromY][BOARD_RGHT-1] = EmptySquare;
9123 } else if (board[fromY][fromX] == king
9124 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9125 && toY == fromY && toX < fromX-1) {
9126 board[fromY][fromX] = EmptySquare;
9127 board[toY][toX] = king;
9128 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9129 board[fromY][BOARD_LEFT] = EmptySquare;
9130 } else if (fromY == 7 && fromX == 3
9131 && board[fromY][fromX] == BlackKing
9132 && toY == 7 && toX == 5) {
9133 board[fromY][fromX] = EmptySquare;
9134 board[toY][toX] = BlackKing;
9135 board[fromY][7] = EmptySquare;
9136 board[toY][4] = BlackRook;
9137 } else if (fromY == 7 && fromX == 3
9138 && board[fromY][fromX] == BlackKing
9139 && toY == 7 && toX == 1) {
9140 board[fromY][fromX] = EmptySquare;
9141 board[toY][toX] = BlackKing;
9142 board[fromY][0] = EmptySquare;
9143 board[toY][2] = BlackRook;
9144 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9145 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9146 && toY < promoRank && promoChar
9148 /* black pawn promotion */
9149 board[toY][toX] = CharToPiece(ToLower(promoChar));
9150 if(gameInfo.variant==VariantBughouse ||
9151 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9152 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9153 board[fromY][fromX] = EmptySquare;
9154 } else if ((fromY < BOARD_HEIGHT>>1)
9156 && gameInfo.variant != VariantXiangqi
9157 && gameInfo.variant != VariantBerolina
9158 && (board[fromY][fromX] == BlackPawn)
9159 && (board[toY][toX] == EmptySquare)) {
9160 board[fromY][fromX] = EmptySquare;
9161 board[toY][toX] = BlackPawn;
9162 captured = board[toY + 1][toX];
9163 board[toY + 1][toX] = EmptySquare;
9164 } else if ((fromY == 3)
9166 && gameInfo.variant == VariantBerolina
9167 && (board[fromY][fromX] == BlackPawn)
9168 && (board[toY][toX] == EmptySquare)) {
9169 board[fromY][fromX] = EmptySquare;
9170 board[toY][toX] = BlackPawn;
9171 if(oldEP & EP_BEROLIN_A) {
9172 captured = board[fromY][fromX-1];
9173 board[fromY][fromX-1] = EmptySquare;
9174 }else{ captured = board[fromY][fromX+1];
9175 board[fromY][fromX+1] = EmptySquare;
9178 board[toY][toX] = board[fromY][fromX];
9179 board[fromY][fromX] = EmptySquare;
9183 if (gameInfo.holdingsWidth != 0) {
9185 /* !!A lot more code needs to be written to support holdings */
9186 /* [HGM] OK, so I have written it. Holdings are stored in the */
9187 /* penultimate board files, so they are automaticlly stored */
9188 /* in the game history. */
9189 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9190 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9191 /* Delete from holdings, by decreasing count */
9192 /* and erasing image if necessary */
9193 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9194 if(p < (int) BlackPawn) { /* white drop */
9195 p -= (int)WhitePawn;
9196 p = PieceToNumber((ChessSquare)p);
9197 if(p >= gameInfo.holdingsSize) p = 0;
9198 if(--board[p][BOARD_WIDTH-2] <= 0)
9199 board[p][BOARD_WIDTH-1] = EmptySquare;
9200 if((int)board[p][BOARD_WIDTH-2] < 0)
9201 board[p][BOARD_WIDTH-2] = 0;
9202 } else { /* black drop */
9203 p -= (int)BlackPawn;
9204 p = PieceToNumber((ChessSquare)p);
9205 if(p >= gameInfo.holdingsSize) p = 0;
9206 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9207 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9208 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9209 board[BOARD_HEIGHT-1-p][1] = 0;
9212 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9213 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9214 /* [HGM] holdings: Add to holdings, if holdings exist */
9215 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9216 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9217 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9220 if (p >= (int) BlackPawn) {
9221 p -= (int)BlackPawn;
9222 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9223 /* in Shogi restore piece to its original first */
9224 captured = (ChessSquare) (DEMOTED captured);
9227 p = PieceToNumber((ChessSquare)p);
9228 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9229 board[p][BOARD_WIDTH-2]++;
9230 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9232 p -= (int)WhitePawn;
9233 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9234 captured = (ChessSquare) (DEMOTED captured);
9237 p = PieceToNumber((ChessSquare)p);
9238 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9239 board[BOARD_HEIGHT-1-p][1]++;
9240 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9243 } else if (gameInfo.variant == VariantAtomic) {
9244 if (captured != EmptySquare) {
9246 for (y = toY-1; y <= toY+1; y++) {
9247 for (x = toX-1; x <= toX+1; x++) {
9248 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9249 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9250 board[y][x] = EmptySquare;
9254 board[toY][toX] = EmptySquare;
9257 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9258 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9260 if(promoChar == '+') {
9261 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9262 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9263 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9264 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9266 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9267 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9268 // [HGM] superchess: take promotion piece out of holdings
9269 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9270 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9271 if(!--board[k][BOARD_WIDTH-2])
9272 board[k][BOARD_WIDTH-1] = EmptySquare;
9274 if(!--board[BOARD_HEIGHT-1-k][1])
9275 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9281 /* Updates forwardMostMove */
9283 MakeMove(fromX, fromY, toX, toY, promoChar)
9284 int fromX, fromY, toX, toY;
9287 // forwardMostMove++; // [HGM] bare: moved downstream
9289 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9290 int timeLeft; static int lastLoadFlag=0; int king, piece;
9291 piece = boards[forwardMostMove][fromY][fromX];
9292 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9293 if(gameInfo.variant == VariantKnightmate)
9294 king += (int) WhiteUnicorn - (int) WhiteKing;
9295 if(forwardMostMove == 0) {
9297 fprintf(serverMoves, "%s;", second.tidy);
9298 fprintf(serverMoves, "%s;", first.tidy);
9299 if(!blackPlaysFirst)
9300 fprintf(serverMoves, "%s;", second.tidy);
9301 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9302 lastLoadFlag = loadFlag;
9304 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9305 // print castling suffix
9306 if( toY == fromY && piece == king ) {
9308 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9310 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9313 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9314 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9315 boards[forwardMostMove][toY][toX] == EmptySquare
9316 && fromX != toX && fromY != toY)
9317 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9319 if(promoChar != NULLCHAR)
9320 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9322 fprintf(serverMoves, "/%d/%d",
9323 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9324 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9325 else timeLeft = blackTimeRemaining/1000;
9326 fprintf(serverMoves, "/%d", timeLeft);
9328 fflush(serverMoves);
9331 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9332 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9336 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9337 if (commentList[forwardMostMove+1] != NULL) {
9338 free(commentList[forwardMostMove+1]);
9339 commentList[forwardMostMove+1] = NULL;
9341 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9342 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9343 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9344 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9345 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9346 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9347 gameInfo.result = GameUnfinished;
9348 if (gameInfo.resultDetails != NULL) {
9349 free(gameInfo.resultDetails);
9350 gameInfo.resultDetails = NULL;
9352 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9353 moveList[forwardMostMove - 1]);
9354 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9355 PosFlags(forwardMostMove - 1),
9356 fromY, fromX, toY, toX, promoChar,
9357 parseList[forwardMostMove - 1]);
9358 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9364 if(gameInfo.variant != VariantShogi)
9365 strcat(parseList[forwardMostMove - 1], "+");
9369 strcat(parseList[forwardMostMove - 1], "#");
9372 if (appData.debugMode) {
9373 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9378 /* Updates currentMove if not pausing */
9380 ShowMove(fromX, fromY, toX, toY)
9382 int instant = (gameMode == PlayFromGameFile) ?
9383 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9384 if(appData.noGUI) return;
9385 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9387 if (forwardMostMove == currentMove + 1) {
9388 AnimateMove(boards[forwardMostMove - 1],
9389 fromX, fromY, toX, toY);
9391 if (appData.highlightLastMove) {
9392 SetHighlights(fromX, fromY, toX, toY);
9395 currentMove = forwardMostMove;
9398 if (instant) return;
9400 DisplayMove(currentMove - 1);
9401 DrawPosition(FALSE, boards[currentMove]);
9402 DisplayBothClocks();
9403 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9404 DisplayBook(currentMove);
9407 void SendEgtPath(ChessProgramState *cps)
9408 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9409 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9411 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9414 char c, *q = name+1, *r, *s;
9416 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9417 while(*p && *p != ',') *q++ = *p++;
9419 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9420 strcmp(name, ",nalimov:") == 0 ) {
9421 // take nalimov path from the menu-changeable option first, if it is defined
9422 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9423 SendToProgram(buf,cps); // send egtbpath command for nalimov
9425 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9426 (s = StrStr(appData.egtFormats, name)) != NULL) {
9427 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9428 s = r = StrStr(s, ":") + 1; // beginning of path info
9429 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9430 c = *r; *r = 0; // temporarily null-terminate path info
9431 *--q = 0; // strip of trailig ':' from name
9432 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9434 SendToProgram(buf,cps); // send egtbpath command for this format
9436 if(*p == ',') p++; // read away comma to position for next format name
9441 InitChessProgram(cps, setup)
9442 ChessProgramState *cps;
9443 int setup; /* [HGM] needed to setup FRC opening position */
9445 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9446 if (appData.noChessProgram) return;
9447 hintRequested = FALSE;
9448 bookRequested = FALSE;
9450 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9451 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9452 if(cps->memSize) { /* [HGM] memory */
9453 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9454 SendToProgram(buf, cps);
9456 SendEgtPath(cps); /* [HGM] EGT */
9457 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9458 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9459 SendToProgram(buf, cps);
9462 SendToProgram(cps->initString, cps);
9463 if (gameInfo.variant != VariantNormal &&
9464 gameInfo.variant != VariantLoadable
9465 /* [HGM] also send variant if board size non-standard */
9466 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9468 char *v = VariantName(gameInfo.variant);
9469 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9470 /* [HGM] in protocol 1 we have to assume all variants valid */
9471 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9472 DisplayFatalError(buf, 0, 1);
9476 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9477 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9478 if( gameInfo.variant == VariantXiangqi )
9479 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9480 if( gameInfo.variant == VariantShogi )
9481 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9482 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9483 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9484 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9485 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9486 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9487 if( gameInfo.variant == VariantCourier )
9488 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9489 if( gameInfo.variant == VariantSuper )
9490 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9491 if( gameInfo.variant == VariantGreat )
9492 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9493 if( gameInfo.variant == VariantSChess )
9494 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9495 if( gameInfo.variant == VariantGrand )
9496 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9499 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9500 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9501 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9502 if(StrStr(cps->variants, b) == NULL) {
9503 // specific sized variant not known, check if general sizing allowed
9504 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9505 if(StrStr(cps->variants, "boardsize") == NULL) {
9506 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9507 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9508 DisplayFatalError(buf, 0, 1);
9511 /* [HGM] here we really should compare with the maximum supported board size */
9514 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9515 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9516 SendToProgram(buf, cps);
9518 currentlyInitializedVariant = gameInfo.variant;
9520 /* [HGM] send opening position in FRC to first engine */
9522 SendToProgram("force\n", cps);
9524 /* engine is now in force mode! Set flag to wake it up after first move. */
9525 setboardSpoiledMachineBlack = 1;
9529 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9530 SendToProgram(buf, cps);
9532 cps->maybeThinking = FALSE;
9533 cps->offeredDraw = 0;
9534 if (!appData.icsActive) {
9535 SendTimeControl(cps, movesPerSession, timeControl,
9536 timeIncrement, appData.searchDepth,
9539 if (appData.showThinking
9540 // [HGM] thinking: four options require thinking output to be sent
9541 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9543 SendToProgram("post\n", cps);
9545 SendToProgram("hard\n", cps);
9546 if (!appData.ponderNextMove) {
9547 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9548 it without being sure what state we are in first. "hard"
9549 is not a toggle, so that one is OK.
9551 SendToProgram("easy\n", cps);
9554 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9555 SendToProgram(buf, cps);
9557 cps->initDone = TRUE;
9558 ClearEngineOutputPane(cps == &second);
9563 StartChessProgram(cps)
9564 ChessProgramState *cps;
9569 if (appData.noChessProgram) return;
9570 cps->initDone = FALSE;
9572 if (strcmp(cps->host, "localhost") == 0) {
9573 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9574 } else if (*appData.remoteShell == NULLCHAR) {
9575 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9577 if (*appData.remoteUser == NULLCHAR) {
9578 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9581 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9582 cps->host, appData.remoteUser, cps->program);
9584 err = StartChildProcess(buf, "", &cps->pr);
9588 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9589 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9590 if(cps != &first) return;
9591 appData.noChessProgram = TRUE;
9594 // DisplayFatalError(buf, err, 1);
9595 // cps->pr = NoProc;
9600 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9601 if (cps->protocolVersion > 1) {
9602 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9603 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9604 cps->comboCnt = 0; // and values of combo boxes
9605 SendToProgram(buf, cps);
9607 SendToProgram("xboard\n", cps);
9612 TwoMachinesEventIfReady P((void))
9614 static int curMess = 0;
9615 if (first.lastPing != first.lastPong) {
9616 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9617 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9620 if (second.lastPing != second.lastPong) {
9621 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9622 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9625 DisplayMessage("", ""); curMess = 0;
9631 MakeName(char *template)
9635 static char buf[MSG_SIZ];
9639 clock = time((time_t *)NULL);
9640 tm = localtime(&clock);
9642 while(*p++ = *template++) if(p[-1] == '%') {
9643 switch(*template++) {
9644 case 0: *p = 0; return buf;
9645 case 'Y': i = tm->tm_year+1900; break;
9646 case 'y': i = tm->tm_year-100; break;
9647 case 'M': i = tm->tm_mon+1; break;
9648 case 'd': i = tm->tm_mday; break;
9649 case 'h': i = tm->tm_hour; break;
9650 case 'm': i = tm->tm_min; break;
9651 case 's': i = tm->tm_sec; break;
9654 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9660 CountPlayers(char *p)
9663 while(p = strchr(p, '\n')) p++, n++; // count participants
9668 WriteTourneyFile(char *results)
9669 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9670 FILE *f = fopen(appData.tourneyFile, "w");
9671 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9672 // create a file with tournament description
9673 fprintf(f, "-participants {%s}\n", appData.participants);
9674 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9675 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9676 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9677 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9678 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9679 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9680 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9681 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9682 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9683 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9684 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9686 fprintf(f, "-searchTime \"%s\"\n", appData.searchTime);
9688 fprintf(f, "-mps %d\n", appData.movesPerSession);
9689 fprintf(f, "-tc %s\n", appData.timeControl);
9690 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9692 fprintf(f, "-results \"%s\"\n", results);
9698 CreateTourney(char *name)
9701 if(name[0] == NULLCHAR) {
9702 if(appData.participants[0])
9703 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9706 f = fopen(name, "r");
9707 if(f) { // file exists
9708 ASSIGN(appData.tourneyFile, name);
9709 ParseArgsFromFile(f); // parse it
9711 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9712 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9713 DisplayError(_("Not enough participants"), 0);
9716 ASSIGN(appData.tourneyFile, name);
9717 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9718 if((f = WriteTourneyFile("")) == NULL) return 0;
9721 appData.noChessProgram = FALSE;
9722 appData.clockMode = TRUE;
9727 #define MAXENGINES 1000
9728 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9730 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9732 char buf[MSG_SIZ], *p, *q;
9736 while(*p && *p != '\n') *q++ = *p++;
9738 if(engineList[i]) free(engineList[i]);
9739 engineList[i] = strdup(buf);
9741 TidyProgramName(engineList[i], "localhost", buf);
9742 if(engineMnemonic[i]) free(engineMnemonic[i]);
9743 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9745 sscanf(q + 8, "%s", buf + strlen(buf));
9748 engineMnemonic[i] = strdup(buf);
9750 if(i > MAXENGINES - 2) break;
9752 engineList[i] = NULL;
9755 // following implemented as macro to avoid type limitations
9756 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9758 void SwapEngines(int n)
9759 { // swap settings for first engine and other engine (so far only some selected options)
9764 SWAP(chessProgram, p)
9766 SWAP(hasOwnBookUCI, h)
9767 SWAP(protocolVersion, h)
9769 SWAP(scoreIsAbsolute, h)
9777 SetPlayer(int player)
9778 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9780 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9781 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9782 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9783 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9785 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9786 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9787 ParseArgsFromString(buf);
9793 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9794 { // determine players from game number
9795 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9797 if(appData.tourneyType == 0) {
9798 roundsPerCycle = (nPlayers - 1) | 1;
9799 pairingsPerRound = nPlayers / 2;
9800 } else if(appData.tourneyType > 0) {
9801 roundsPerCycle = nPlayers - appData.tourneyType;
9802 pairingsPerRound = appData.tourneyType;
9804 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9805 gamesPerCycle = gamesPerRound * roundsPerCycle;
9806 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9807 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9808 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9809 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9810 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9811 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9813 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9814 if(appData.roundSync) *syncInterval = gamesPerRound;
9816 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9818 if(appData.tourneyType == 0) {
9819 if(curPairing == (nPlayers-1)/2 ) {
9820 *whitePlayer = curRound;
9821 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9823 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9824 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9825 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9826 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9828 } else if(appData.tourneyType > 0) {
9829 *whitePlayer = curPairing;
9830 *blackPlayer = curRound + appData.tourneyType;
9833 // take care of white/black alternation per round.
9834 // For cycles and games this is already taken care of by default, derived from matchGame!
9835 return curRound & 1;
9839 NextTourneyGame(int nr, int *swapColors)
9840 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9842 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9844 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9845 tf = fopen(appData.tourneyFile, "r");
9846 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9847 ParseArgsFromFile(tf); fclose(tf);
9848 InitTimeControls(); // TC might be altered from tourney file
9850 nPlayers = CountPlayers(appData.participants); // count participants
9851 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9852 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9855 p = q = appData.results;
9856 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9857 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9858 DisplayMessage(_("Waiting for other game(s)"),"");
9859 waitingForGame = TRUE;
9860 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9863 waitingForGame = FALSE;
9866 if(appData.tourneyType < 0) {
9867 if(nr>=0 && !pairingReceived) {
9869 if(pairing.pr == NoProc) {
9870 if(!appData.pairingEngine[0]) {
9871 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9874 StartChessProgram(&pairing); // starts the pairing engine
9876 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9877 SendToProgram(buf, &pairing);
9878 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9879 SendToProgram(buf, &pairing);
9880 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
9882 pairingReceived = 0; // ... so we continue here
9884 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
9885 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
9886 matchGame = 1; roundNr = nr / syncInterval + 1;
9889 if(first.pr != NoProc) return 1; // engines already loaded
9891 // redefine engines, engine dir, etc.
9892 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9893 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9895 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9896 SwapEngines(1); // and make that valid for second engine by swapping
9897 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9898 InitEngine(&second, 1);
9899 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9900 UpdateLogos(FALSE); // leave display to ModeHiglight()
9906 { // performs game initialization that does not invoke engines, and then tries to start the game
9907 int firstWhite, swapColors = 0;
9908 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9909 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9910 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9911 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9912 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9913 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9914 Reset(FALSE, first.pr != NoProc);
9915 appData.noChessProgram = FALSE;
9916 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9920 void UserAdjudicationEvent( int result )
9922 ChessMove gameResult = GameIsDrawn;
9925 gameResult = WhiteWins;
9927 else if( result < 0 ) {
9928 gameResult = BlackWins;
9931 if( gameMode == TwoMachinesPlay ) {
9932 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9937 // [HGM] save: calculate checksum of game to make games easily identifiable
9938 int StringCheckSum(char *s)
9941 if(s==NULL) return 0;
9942 while(*s) i = i*259 + *s++;
9949 for(i=backwardMostMove; i<forwardMostMove; i++) {
9950 sum += pvInfoList[i].depth;
9951 sum += StringCheckSum(parseList[i]);
9952 sum += StringCheckSum(commentList[i]);
9955 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9956 return sum + StringCheckSum(commentList[i]);
9957 } // end of save patch
9960 GameEnds(result, resultDetails, whosays)
9962 char *resultDetails;
9965 GameMode nextGameMode;
9967 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9969 if(endingGame) return; /* [HGM] crash: forbid recursion */
9971 if(twoBoards) { // [HGM] dual: switch back to one board
9972 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9973 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9975 if (appData.debugMode) {
9976 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9977 result, resultDetails ? resultDetails : "(null)", whosays);
9980 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9982 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9983 /* If we are playing on ICS, the server decides when the
9984 game is over, but the engine can offer to draw, claim
9988 if (appData.zippyPlay && first.initDone) {
9989 if (result == GameIsDrawn) {
9990 /* In case draw still needs to be claimed */
9991 SendToICS(ics_prefix);
9992 SendToICS("draw\n");
9993 } else if (StrCaseStr(resultDetails, "resign")) {
9994 SendToICS(ics_prefix);
9995 SendToICS("resign\n");
9999 endingGame = 0; /* [HGM] crash */
10003 /* If we're loading the game from a file, stop */
10004 if (whosays == GE_FILE) {
10005 (void) StopLoadGameTimer();
10009 /* Cancel draw offers */
10010 first.offeredDraw = second.offeredDraw = 0;
10012 /* If this is an ICS game, only ICS can really say it's done;
10013 if not, anyone can. */
10014 isIcsGame = (gameMode == IcsPlayingWhite ||
10015 gameMode == IcsPlayingBlack ||
10016 gameMode == IcsObserving ||
10017 gameMode == IcsExamining);
10019 if (!isIcsGame || whosays == GE_ICS) {
10020 /* OK -- not an ICS game, or ICS said it was done */
10022 if (!isIcsGame && !appData.noChessProgram)
10023 SetUserThinkingEnables();
10025 /* [HGM] if a machine claims the game end we verify this claim */
10026 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10027 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10029 ChessMove trueResult = (ChessMove) -1;
10031 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10032 first.twoMachinesColor[0] :
10033 second.twoMachinesColor[0] ;
10035 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10036 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10037 /* [HGM] verify: engine mate claims accepted if they were flagged */
10038 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10040 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10041 /* [HGM] verify: engine mate claims accepted if they were flagged */
10042 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10044 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10045 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10048 // now verify win claims, but not in drop games, as we don't understand those yet
10049 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10050 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10051 (result == WhiteWins && claimer == 'w' ||
10052 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10053 if (appData.debugMode) {
10054 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10055 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10057 if(result != trueResult) {
10058 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10059 result = claimer == 'w' ? BlackWins : WhiteWins;
10060 resultDetails = buf;
10063 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10064 && (forwardMostMove <= backwardMostMove ||
10065 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10066 (claimer=='b')==(forwardMostMove&1))
10068 /* [HGM] verify: draws that were not flagged are false claims */
10069 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10070 result = claimer == 'w' ? BlackWins : WhiteWins;
10071 resultDetails = buf;
10073 /* (Claiming a loss is accepted no questions asked!) */
10075 /* [HGM] bare: don't allow bare King to win */
10076 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10077 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10078 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10079 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10080 && result != GameIsDrawn)
10081 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10082 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10083 int p = (signed char)boards[forwardMostMove][i][j] - color;
10084 if(p >= 0 && p <= (int)WhiteKing) k++;
10086 if (appData.debugMode) {
10087 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10088 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10091 result = GameIsDrawn;
10092 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10093 resultDetails = buf;
10099 if(serverMoves != NULL && !loadFlag) { char c = '=';
10100 if(result==WhiteWins) c = '+';
10101 if(result==BlackWins) c = '-';
10102 if(resultDetails != NULL)
10103 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10105 if (resultDetails != NULL) {
10106 gameInfo.result = result;
10107 gameInfo.resultDetails = StrSave(resultDetails);
10109 /* display last move only if game was not loaded from file */
10110 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10111 DisplayMove(currentMove - 1);
10113 if (forwardMostMove != 0) {
10114 if (gameMode != PlayFromGameFile && gameMode != EditGame
10115 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10117 if (*appData.saveGameFile != NULLCHAR) {
10118 SaveGameToFile(appData.saveGameFile, TRUE);
10119 } else if (appData.autoSaveGames) {
10122 if (*appData.savePositionFile != NULLCHAR) {
10123 SavePositionToFile(appData.savePositionFile);
10128 /* Tell program how game ended in case it is learning */
10129 /* [HGM] Moved this to after saving the PGN, just in case */
10130 /* engine died and we got here through time loss. In that */
10131 /* case we will get a fatal error writing the pipe, which */
10132 /* would otherwise lose us the PGN. */
10133 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10134 /* output during GameEnds should never be fatal anymore */
10135 if (gameMode == MachinePlaysWhite ||
10136 gameMode == MachinePlaysBlack ||
10137 gameMode == TwoMachinesPlay ||
10138 gameMode == IcsPlayingWhite ||
10139 gameMode == IcsPlayingBlack ||
10140 gameMode == BeginningOfGame) {
10142 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10144 if (first.pr != NoProc) {
10145 SendToProgram(buf, &first);
10147 if (second.pr != NoProc &&
10148 gameMode == TwoMachinesPlay) {
10149 SendToProgram(buf, &second);
10154 if (appData.icsActive) {
10155 if (appData.quietPlay &&
10156 (gameMode == IcsPlayingWhite ||
10157 gameMode == IcsPlayingBlack)) {
10158 SendToICS(ics_prefix);
10159 SendToICS("set shout 1\n");
10161 nextGameMode = IcsIdle;
10162 ics_user_moved = FALSE;
10163 /* clean up premove. It's ugly when the game has ended and the
10164 * premove highlights are still on the board.
10167 gotPremove = FALSE;
10168 ClearPremoveHighlights();
10169 DrawPosition(FALSE, boards[currentMove]);
10171 if (whosays == GE_ICS) {
10174 if (gameMode == IcsPlayingWhite)
10176 else if(gameMode == IcsPlayingBlack)
10177 PlayIcsLossSound();
10180 if (gameMode == IcsPlayingBlack)
10182 else if(gameMode == IcsPlayingWhite)
10183 PlayIcsLossSound();
10186 PlayIcsDrawSound();
10189 PlayIcsUnfinishedSound();
10192 } else if (gameMode == EditGame ||
10193 gameMode == PlayFromGameFile ||
10194 gameMode == AnalyzeMode ||
10195 gameMode == AnalyzeFile) {
10196 nextGameMode = gameMode;
10198 nextGameMode = EndOfGame;
10203 nextGameMode = gameMode;
10206 if (appData.noChessProgram) {
10207 gameMode = nextGameMode;
10209 endingGame = 0; /* [HGM] crash */
10214 /* Put first chess program into idle state */
10215 if (first.pr != NoProc &&
10216 (gameMode == MachinePlaysWhite ||
10217 gameMode == MachinePlaysBlack ||
10218 gameMode == TwoMachinesPlay ||
10219 gameMode == IcsPlayingWhite ||
10220 gameMode == IcsPlayingBlack ||
10221 gameMode == BeginningOfGame)) {
10222 SendToProgram("force\n", &first);
10223 if (first.usePing) {
10225 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10226 SendToProgram(buf, &first);
10229 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10230 /* Kill off first chess program */
10231 if (first.isr != NULL)
10232 RemoveInputSource(first.isr);
10235 if (first.pr != NoProc) {
10237 DoSleep( appData.delayBeforeQuit );
10238 SendToProgram("quit\n", &first);
10239 DoSleep( appData.delayAfterQuit );
10240 DestroyChildProcess(first.pr, first.useSigterm);
10244 if (second.reuse) {
10245 /* Put second chess program into idle state */
10246 if (second.pr != NoProc &&
10247 gameMode == TwoMachinesPlay) {
10248 SendToProgram("force\n", &second);
10249 if (second.usePing) {
10251 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10252 SendToProgram(buf, &second);
10255 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10256 /* Kill off second chess program */
10257 if (second.isr != NULL)
10258 RemoveInputSource(second.isr);
10261 if (second.pr != NoProc) {
10262 DoSleep( appData.delayBeforeQuit );
10263 SendToProgram("quit\n", &second);
10264 DoSleep( appData.delayAfterQuit );
10265 DestroyChildProcess(second.pr, second.useSigterm);
10267 second.pr = NoProc;
10270 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10271 char resChar = '=';
10275 if (first.twoMachinesColor[0] == 'w') {
10278 second.matchWins++;
10283 if (first.twoMachinesColor[0] == 'b') {
10286 second.matchWins++;
10289 case GameUnfinished:
10295 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10296 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10297 ReserveGame(nextGame, resChar); // sets nextGame
10298 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10299 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10300 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10302 if (nextGame <= appData.matchGames && !abortMatch) {
10303 gameMode = nextGameMode;
10304 matchGame = nextGame; // this will be overruled in tourney mode!
10305 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10306 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10307 endingGame = 0; /* [HGM] crash */
10310 gameMode = nextGameMode;
10311 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10312 first.tidy, second.tidy,
10313 first.matchWins, second.matchWins,
10314 appData.matchGames - (first.matchWins + second.matchWins));
10315 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10316 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10317 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10318 first.twoMachinesColor = "black\n";
10319 second.twoMachinesColor = "white\n";
10321 first.twoMachinesColor = "white\n";
10322 second.twoMachinesColor = "black\n";
10326 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10327 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10329 gameMode = nextGameMode;
10331 endingGame = 0; /* [HGM] crash */
10332 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10333 if(matchMode == TRUE) { // match through command line: exit with or without popup
10335 ToNrEvent(forwardMostMove);
10336 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10338 } else DisplayFatalError(buf, 0, 0);
10339 } else { // match through menu; just stop, with or without popup
10340 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10343 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10344 } else DisplayNote(buf);
10346 if(ranking) free(ranking);
10350 /* Assumes program was just initialized (initString sent).
10351 Leaves program in force mode. */
10353 FeedMovesToProgram(cps, upto)
10354 ChessProgramState *cps;
10359 if (appData.debugMode)
10360 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10361 startedFromSetupPosition ? "position and " : "",
10362 backwardMostMove, upto, cps->which);
10363 if(currentlyInitializedVariant != gameInfo.variant) {
10365 // [HGM] variantswitch: make engine aware of new variant
10366 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10367 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10368 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10369 SendToProgram(buf, cps);
10370 currentlyInitializedVariant = gameInfo.variant;
10372 SendToProgram("force\n", cps);
10373 if (startedFromSetupPosition) {
10374 SendBoard(cps, backwardMostMove);
10375 if (appData.debugMode) {
10376 fprintf(debugFP, "feedMoves\n");
10379 for (i = backwardMostMove; i < upto; i++) {
10380 SendMoveToProgram(i, cps);
10386 ResurrectChessProgram()
10388 /* The chess program may have exited.
10389 If so, restart it and feed it all the moves made so far. */
10390 static int doInit = 0;
10392 if (appData.noChessProgram) return 1;
10394 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10395 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10396 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10397 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10399 if (first.pr != NoProc) return 1;
10400 StartChessProgram(&first);
10402 InitChessProgram(&first, FALSE);
10403 FeedMovesToProgram(&first, currentMove);
10405 if (!first.sendTime) {
10406 /* can't tell gnuchess what its clock should read,
10407 so we bow to its notion. */
10409 timeRemaining[0][currentMove] = whiteTimeRemaining;
10410 timeRemaining[1][currentMove] = blackTimeRemaining;
10413 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10414 appData.icsEngineAnalyze) && first.analysisSupport) {
10415 SendToProgram("analyze\n", &first);
10416 first.analyzing = TRUE;
10422 * Button procedures
10425 Reset(redraw, init)
10430 if (appData.debugMode) {
10431 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10432 redraw, init, gameMode);
10434 CleanupTail(); // [HGM] vari: delete any stored variations
10435 pausing = pauseExamInvalid = FALSE;
10436 startedFromSetupPosition = blackPlaysFirst = FALSE;
10438 whiteFlag = blackFlag = FALSE;
10439 userOfferedDraw = FALSE;
10440 hintRequested = bookRequested = FALSE;
10441 first.maybeThinking = FALSE;
10442 second.maybeThinking = FALSE;
10443 first.bookSuspend = FALSE; // [HGM] book
10444 second.bookSuspend = FALSE;
10445 thinkOutput[0] = NULLCHAR;
10446 lastHint[0] = NULLCHAR;
10447 ClearGameInfo(&gameInfo);
10448 gameInfo.variant = StringToVariant(appData.variant);
10449 ics_user_moved = ics_clock_paused = FALSE;
10450 ics_getting_history = H_FALSE;
10452 white_holding[0] = black_holding[0] = NULLCHAR;
10453 ClearProgramStats();
10454 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10458 flipView = appData.flipView;
10459 ClearPremoveHighlights();
10460 gotPremove = FALSE;
10461 alarmSounded = FALSE;
10463 GameEnds(EndOfFile, NULL, GE_PLAYER);
10464 if(appData.serverMovesName != NULL) {
10465 /* [HGM] prepare to make moves file for broadcasting */
10466 clock_t t = clock();
10467 if(serverMoves != NULL) fclose(serverMoves);
10468 serverMoves = fopen(appData.serverMovesName, "r");
10469 if(serverMoves != NULL) {
10470 fclose(serverMoves);
10471 /* delay 15 sec before overwriting, so all clients can see end */
10472 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10474 serverMoves = fopen(appData.serverMovesName, "w");
10478 gameMode = BeginningOfGame;
10480 if(appData.icsActive) gameInfo.variant = VariantNormal;
10481 currentMove = forwardMostMove = backwardMostMove = 0;
10482 InitPosition(redraw);
10483 for (i = 0; i < MAX_MOVES; i++) {
10484 if (commentList[i] != NULL) {
10485 free(commentList[i]);
10486 commentList[i] = NULL;
10490 timeRemaining[0][0] = whiteTimeRemaining;
10491 timeRemaining[1][0] = blackTimeRemaining;
10493 if (first.pr == NULL) {
10494 StartChessProgram(&first);
10497 InitChessProgram(&first, startedFromSetupPosition);
10500 DisplayMessage("", "");
10501 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10502 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10509 if (!AutoPlayOneMove())
10511 if (matchMode || appData.timeDelay == 0)
10513 if (appData.timeDelay < 0)
10515 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10524 int fromX, fromY, toX, toY;
10526 if (appData.debugMode) {
10527 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10530 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10533 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10534 pvInfoList[currentMove].depth = programStats.depth;
10535 pvInfoList[currentMove].score = programStats.score;
10536 pvInfoList[currentMove].time = 0;
10537 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10540 if (currentMove >= forwardMostMove) {
10541 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10542 gameMode = EditGame;
10545 /* [AS] Clear current move marker at the end of a game */
10546 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10551 toX = moveList[currentMove][2] - AAA;
10552 toY = moveList[currentMove][3] - ONE;
10554 if (moveList[currentMove][1] == '@') {
10555 if (appData.highlightLastMove) {
10556 SetHighlights(-1, -1, toX, toY);
10559 fromX = moveList[currentMove][0] - AAA;
10560 fromY = moveList[currentMove][1] - ONE;
10562 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10564 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10566 if (appData.highlightLastMove) {
10567 SetHighlights(fromX, fromY, toX, toY);
10570 DisplayMove(currentMove);
10571 SendMoveToProgram(currentMove++, &first);
10572 DisplayBothClocks();
10573 DrawPosition(FALSE, boards[currentMove]);
10574 // [HGM] PV info: always display, routine tests if empty
10575 DisplayComment(currentMove - 1, commentList[currentMove]);
10581 LoadGameOneMove(readAhead)
10582 ChessMove readAhead;
10584 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10585 char promoChar = NULLCHAR;
10586 ChessMove moveType;
10587 char move[MSG_SIZ];
10590 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10591 gameMode != AnalyzeMode && gameMode != Training) {
10596 yyboardindex = forwardMostMove;
10597 if (readAhead != EndOfFile) {
10598 moveType = readAhead;
10600 if (gameFileFP == NULL)
10602 moveType = (ChessMove) Myylex();
10606 switch (moveType) {
10608 if (appData.debugMode)
10609 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10612 /* append the comment but don't display it */
10613 AppendComment(currentMove, p, FALSE);
10616 case WhiteCapturesEnPassant:
10617 case BlackCapturesEnPassant:
10618 case WhitePromotion:
10619 case BlackPromotion:
10620 case WhiteNonPromotion:
10621 case BlackNonPromotion:
10623 case WhiteKingSideCastle:
10624 case WhiteQueenSideCastle:
10625 case BlackKingSideCastle:
10626 case BlackQueenSideCastle:
10627 case WhiteKingSideCastleWild:
10628 case WhiteQueenSideCastleWild:
10629 case BlackKingSideCastleWild:
10630 case BlackQueenSideCastleWild:
10632 case WhiteHSideCastleFR:
10633 case WhiteASideCastleFR:
10634 case BlackHSideCastleFR:
10635 case BlackASideCastleFR:
10637 if (appData.debugMode)
10638 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10639 fromX = currentMoveString[0] - AAA;
10640 fromY = currentMoveString[1] - ONE;
10641 toX = currentMoveString[2] - AAA;
10642 toY = currentMoveString[3] - ONE;
10643 promoChar = currentMoveString[4];
10648 if (appData.debugMode)
10649 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10650 fromX = moveType == WhiteDrop ?
10651 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10652 (int) CharToPiece(ToLower(currentMoveString[0]));
10654 toX = currentMoveString[2] - AAA;
10655 toY = currentMoveString[3] - ONE;
10661 case GameUnfinished:
10662 if (appData.debugMode)
10663 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10664 p = strchr(yy_text, '{');
10665 if (p == NULL) p = strchr(yy_text, '(');
10668 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10670 q = strchr(p, *p == '{' ? '}' : ')');
10671 if (q != NULL) *q = NULLCHAR;
10674 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10675 GameEnds(moveType, p, GE_FILE);
10677 if (cmailMsgLoaded) {
10679 flipView = WhiteOnMove(currentMove);
10680 if (moveType == GameUnfinished) flipView = !flipView;
10681 if (appData.debugMode)
10682 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10687 if (appData.debugMode)
10688 fprintf(debugFP, "Parser hit end of file\n");
10689 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10695 if (WhiteOnMove(currentMove)) {
10696 GameEnds(BlackWins, "Black mates", GE_FILE);
10698 GameEnds(WhiteWins, "White mates", GE_FILE);
10702 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10708 case MoveNumberOne:
10709 if (lastLoadGameStart == GNUChessGame) {
10710 /* GNUChessGames have numbers, but they aren't move numbers */
10711 if (appData.debugMode)
10712 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10713 yy_text, (int) moveType);
10714 return LoadGameOneMove(EndOfFile); /* tail recursion */
10716 /* else fall thru */
10721 /* Reached start of next game in file */
10722 if (appData.debugMode)
10723 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10724 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10730 if (WhiteOnMove(currentMove)) {
10731 GameEnds(BlackWins, "Black mates", GE_FILE);
10733 GameEnds(WhiteWins, "White mates", GE_FILE);
10737 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10743 case PositionDiagram: /* should not happen; ignore */
10744 case ElapsedTime: /* ignore */
10745 case NAG: /* ignore */
10746 if (appData.debugMode)
10747 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10748 yy_text, (int) moveType);
10749 return LoadGameOneMove(EndOfFile); /* tail recursion */
10752 if (appData.testLegality) {
10753 if (appData.debugMode)
10754 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10755 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10756 (forwardMostMove / 2) + 1,
10757 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10758 DisplayError(move, 0);
10761 if (appData.debugMode)
10762 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10763 yy_text, currentMoveString);
10764 fromX = currentMoveString[0] - AAA;
10765 fromY = currentMoveString[1] - ONE;
10766 toX = currentMoveString[2] - AAA;
10767 toY = currentMoveString[3] - ONE;
10768 promoChar = currentMoveString[4];
10772 case AmbiguousMove:
10773 if (appData.debugMode)
10774 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10775 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10776 (forwardMostMove / 2) + 1,
10777 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10778 DisplayError(move, 0);
10783 case ImpossibleMove:
10784 if (appData.debugMode)
10785 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10786 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10787 (forwardMostMove / 2) + 1,
10788 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10789 DisplayError(move, 0);
10795 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10796 DrawPosition(FALSE, boards[currentMove]);
10797 DisplayBothClocks();
10798 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10799 DisplayComment(currentMove - 1, commentList[currentMove]);
10801 (void) StopLoadGameTimer();
10803 cmailOldMove = forwardMostMove;
10806 /* currentMoveString is set as a side-effect of yylex */
10808 thinkOutput[0] = NULLCHAR;
10809 MakeMove(fromX, fromY, toX, toY, promoChar);
10810 currentMove = forwardMostMove;
10815 /* Load the nth game from the given file */
10817 LoadGameFromFile(filename, n, title, useList)
10821 /*Boolean*/ int useList;
10826 if (strcmp(filename, "-") == 0) {
10830 f = fopen(filename, "rb");
10832 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10833 DisplayError(buf, errno);
10837 if (fseek(f, 0, 0) == -1) {
10838 /* f is not seekable; probably a pipe */
10841 if (useList && n == 0) {
10842 int error = GameListBuild(f);
10844 DisplayError(_("Cannot build game list"), error);
10845 } else if (!ListEmpty(&gameList) &&
10846 ((ListGame *) gameList.tailPred)->number > 1) {
10847 GameListPopUp(f, title);
10854 return LoadGame(f, n, title, FALSE);
10859 MakeRegisteredMove()
10861 int fromX, fromY, toX, toY;
10863 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10864 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10867 if (appData.debugMode)
10868 fprintf(debugFP, "Restoring %s for game %d\n",
10869 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10871 thinkOutput[0] = NULLCHAR;
10872 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10873 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10874 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10875 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10876 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10877 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10878 MakeMove(fromX, fromY, toX, toY, promoChar);
10879 ShowMove(fromX, fromY, toX, toY);
10881 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10888 if (WhiteOnMove(currentMove)) {
10889 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10891 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10896 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10903 if (WhiteOnMove(currentMove)) {
10904 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10906 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10911 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10922 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10924 CmailLoadGame(f, gameNumber, title, useList)
10932 if (gameNumber > nCmailGames) {
10933 DisplayError(_("No more games in this message"), 0);
10936 if (f == lastLoadGameFP) {
10937 int offset = gameNumber - lastLoadGameNumber;
10939 cmailMsg[0] = NULLCHAR;
10940 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10941 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10942 nCmailMovesRegistered--;
10944 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10945 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10946 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10949 if (! RegisterMove()) return FALSE;
10953 retVal = LoadGame(f, gameNumber, title, useList);
10955 /* Make move registered during previous look at this game, if any */
10956 MakeRegisteredMove();
10958 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10959 commentList[currentMove]
10960 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10961 DisplayComment(currentMove - 1, commentList[currentMove]);
10967 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10972 int gameNumber = lastLoadGameNumber + offset;
10973 if (lastLoadGameFP == NULL) {
10974 DisplayError(_("No game has been loaded yet"), 0);
10977 if (gameNumber <= 0) {
10978 DisplayError(_("Can't back up any further"), 0);
10981 if (cmailMsgLoaded) {
10982 return CmailLoadGame(lastLoadGameFP, gameNumber,
10983 lastLoadGameTitle, lastLoadGameUseList);
10985 return LoadGame(lastLoadGameFP, gameNumber,
10986 lastLoadGameTitle, lastLoadGameUseList);
10992 /* Load the nth game from open file f */
10994 LoadGame(f, gameNumber, title, useList)
11002 int gn = gameNumber;
11003 ListGame *lg = NULL;
11004 int numPGNTags = 0;
11006 GameMode oldGameMode;
11007 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11009 if (appData.debugMode)
11010 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11012 if (gameMode == Training )
11013 SetTrainingModeOff();
11015 oldGameMode = gameMode;
11016 if (gameMode != BeginningOfGame) {
11017 Reset(FALSE, TRUE);
11021 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11022 fclose(lastLoadGameFP);
11026 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11029 fseek(f, lg->offset, 0);
11030 GameListHighlight(gameNumber);
11034 DisplayError(_("Game number out of range"), 0);
11039 if (fseek(f, 0, 0) == -1) {
11040 if (f == lastLoadGameFP ?
11041 gameNumber == lastLoadGameNumber + 1 :
11045 DisplayError(_("Can't seek on game file"), 0);
11050 lastLoadGameFP = f;
11051 lastLoadGameNumber = gameNumber;
11052 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11053 lastLoadGameUseList = useList;
11057 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11058 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11059 lg->gameInfo.black);
11061 } else if (*title != NULLCHAR) {
11062 if (gameNumber > 1) {
11063 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11066 DisplayTitle(title);
11070 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11071 gameMode = PlayFromGameFile;
11075 currentMove = forwardMostMove = backwardMostMove = 0;
11076 CopyBoard(boards[0], initialPosition);
11080 * Skip the first gn-1 games in the file.
11081 * Also skip over anything that precedes an identifiable
11082 * start of game marker, to avoid being confused by
11083 * garbage at the start of the file. Currently
11084 * recognized start of game markers are the move number "1",
11085 * the pattern "gnuchess .* game", the pattern
11086 * "^[#;%] [^ ]* game file", and a PGN tag block.
11087 * A game that starts with one of the latter two patterns
11088 * will also have a move number 1, possibly
11089 * following a position diagram.
11090 * 5-4-02: Let's try being more lenient and allowing a game to
11091 * start with an unnumbered move. Does that break anything?
11093 cm = lastLoadGameStart = EndOfFile;
11095 yyboardindex = forwardMostMove;
11096 cm = (ChessMove) Myylex();
11099 if (cmailMsgLoaded) {
11100 nCmailGames = CMAIL_MAX_GAMES - gn;
11103 DisplayError(_("Game not found in file"), 0);
11110 lastLoadGameStart = cm;
11113 case MoveNumberOne:
11114 switch (lastLoadGameStart) {
11119 case MoveNumberOne:
11121 gn--; /* count this game */
11122 lastLoadGameStart = cm;
11131 switch (lastLoadGameStart) {
11134 case MoveNumberOne:
11136 gn--; /* count this game */
11137 lastLoadGameStart = cm;
11140 lastLoadGameStart = cm; /* game counted already */
11148 yyboardindex = forwardMostMove;
11149 cm = (ChessMove) Myylex();
11150 } while (cm == PGNTag || cm == Comment);
11157 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11158 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11159 != CMAIL_OLD_RESULT) {
11161 cmailResult[ CMAIL_MAX_GAMES
11162 - gn - 1] = CMAIL_OLD_RESULT;
11168 /* Only a NormalMove can be at the start of a game
11169 * without a position diagram. */
11170 if (lastLoadGameStart == EndOfFile ) {
11172 lastLoadGameStart = MoveNumberOne;
11181 if (appData.debugMode)
11182 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11184 if (cm == XBoardGame) {
11185 /* Skip any header junk before position diagram and/or move 1 */
11187 yyboardindex = forwardMostMove;
11188 cm = (ChessMove) Myylex();
11190 if (cm == EndOfFile ||
11191 cm == GNUChessGame || cm == XBoardGame) {
11192 /* Empty game; pretend end-of-file and handle later */
11197 if (cm == MoveNumberOne || cm == PositionDiagram ||
11198 cm == PGNTag || cm == Comment)
11201 } else if (cm == GNUChessGame) {
11202 if (gameInfo.event != NULL) {
11203 free(gameInfo.event);
11205 gameInfo.event = StrSave(yy_text);
11208 startedFromSetupPosition = FALSE;
11209 while (cm == PGNTag) {
11210 if (appData.debugMode)
11211 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11212 err = ParsePGNTag(yy_text, &gameInfo);
11213 if (!err) numPGNTags++;
11215 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11216 if(gameInfo.variant != oldVariant) {
11217 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11218 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11219 InitPosition(TRUE);
11220 oldVariant = gameInfo.variant;
11221 if (appData.debugMode)
11222 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11226 if (gameInfo.fen != NULL) {
11227 Board initial_position;
11228 startedFromSetupPosition = TRUE;
11229 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11231 DisplayError(_("Bad FEN position in file"), 0);
11234 CopyBoard(boards[0], initial_position);
11235 if (blackPlaysFirst) {
11236 currentMove = forwardMostMove = backwardMostMove = 1;
11237 CopyBoard(boards[1], initial_position);
11238 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11239 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11240 timeRemaining[0][1] = whiteTimeRemaining;
11241 timeRemaining[1][1] = blackTimeRemaining;
11242 if (commentList[0] != NULL) {
11243 commentList[1] = commentList[0];
11244 commentList[0] = NULL;
11247 currentMove = forwardMostMove = backwardMostMove = 0;
11249 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11251 initialRulePlies = FENrulePlies;
11252 for( i=0; i< nrCastlingRights; i++ )
11253 initialRights[i] = initial_position[CASTLING][i];
11255 yyboardindex = forwardMostMove;
11256 free(gameInfo.fen);
11257 gameInfo.fen = NULL;
11260 yyboardindex = forwardMostMove;
11261 cm = (ChessMove) Myylex();
11263 /* Handle comments interspersed among the tags */
11264 while (cm == Comment) {
11266 if (appData.debugMode)
11267 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11269 AppendComment(currentMove, p, FALSE);
11270 yyboardindex = forwardMostMove;
11271 cm = (ChessMove) Myylex();
11275 /* don't rely on existence of Event tag since if game was
11276 * pasted from clipboard the Event tag may not exist
11278 if (numPGNTags > 0){
11280 if (gameInfo.variant == VariantNormal) {
11281 VariantClass v = StringToVariant(gameInfo.event);
11282 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11283 if(v < VariantShogi) gameInfo.variant = v;
11286 if( appData.autoDisplayTags ) {
11287 tags = PGNTags(&gameInfo);
11288 TagsPopUp(tags, CmailMsg());
11293 /* Make something up, but don't display it now */
11298 if (cm == PositionDiagram) {
11301 Board initial_position;
11303 if (appData.debugMode)
11304 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11306 if (!startedFromSetupPosition) {
11308 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11309 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11320 initial_position[i][j++] = CharToPiece(*p);
11323 while (*p == ' ' || *p == '\t' ||
11324 *p == '\n' || *p == '\r') p++;
11326 if (strncmp(p, "black", strlen("black"))==0)
11327 blackPlaysFirst = TRUE;
11329 blackPlaysFirst = FALSE;
11330 startedFromSetupPosition = TRUE;
11332 CopyBoard(boards[0], initial_position);
11333 if (blackPlaysFirst) {
11334 currentMove = forwardMostMove = backwardMostMove = 1;
11335 CopyBoard(boards[1], initial_position);
11336 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11337 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11338 timeRemaining[0][1] = whiteTimeRemaining;
11339 timeRemaining[1][1] = blackTimeRemaining;
11340 if (commentList[0] != NULL) {
11341 commentList[1] = commentList[0];
11342 commentList[0] = NULL;
11345 currentMove = forwardMostMove = backwardMostMove = 0;
11348 yyboardindex = forwardMostMove;
11349 cm = (ChessMove) Myylex();
11352 if (first.pr == NoProc) {
11353 StartChessProgram(&first);
11355 InitChessProgram(&first, FALSE);
11356 SendToProgram("force\n", &first);
11357 if (startedFromSetupPosition) {
11358 SendBoard(&first, forwardMostMove);
11359 if (appData.debugMode) {
11360 fprintf(debugFP, "Load Game\n");
11362 DisplayBothClocks();
11365 /* [HGM] server: flag to write setup moves in broadcast file as one */
11366 loadFlag = appData.suppressLoadMoves;
11368 while (cm == Comment) {
11370 if (appData.debugMode)
11371 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11373 AppendComment(currentMove, p, FALSE);
11374 yyboardindex = forwardMostMove;
11375 cm = (ChessMove) Myylex();
11378 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11379 cm == WhiteWins || cm == BlackWins ||
11380 cm == GameIsDrawn || cm == GameUnfinished) {
11381 DisplayMessage("", _("No moves in game"));
11382 if (cmailMsgLoaded) {
11383 if (appData.debugMode)
11384 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11388 DrawPosition(FALSE, boards[currentMove]);
11389 DisplayBothClocks();
11390 gameMode = EditGame;
11397 // [HGM] PV info: routine tests if comment empty
11398 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11399 DisplayComment(currentMove - 1, commentList[currentMove]);
11401 if (!matchMode && appData.timeDelay != 0)
11402 DrawPosition(FALSE, boards[currentMove]);
11404 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11405 programStats.ok_to_send = 1;
11408 /* if the first token after the PGN tags is a move
11409 * and not move number 1, retrieve it from the parser
11411 if (cm != MoveNumberOne)
11412 LoadGameOneMove(cm);
11414 /* load the remaining moves from the file */
11415 while (LoadGameOneMove(EndOfFile)) {
11416 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11417 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11420 /* rewind to the start of the game */
11421 currentMove = backwardMostMove;
11423 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11425 if (oldGameMode == AnalyzeFile ||
11426 oldGameMode == AnalyzeMode) {
11427 AnalyzeFileEvent();
11430 if (matchMode || appData.timeDelay == 0) {
11432 gameMode = EditGame;
11434 } else if (appData.timeDelay > 0) {
11435 AutoPlayGameLoop();
11438 if (appData.debugMode)
11439 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11441 loadFlag = 0; /* [HGM] true game starts */
11445 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11447 ReloadPosition(offset)
11450 int positionNumber = lastLoadPositionNumber + offset;
11451 if (lastLoadPositionFP == NULL) {
11452 DisplayError(_("No position has been loaded yet"), 0);
11455 if (positionNumber <= 0) {
11456 DisplayError(_("Can't back up any further"), 0);
11459 return LoadPosition(lastLoadPositionFP, positionNumber,
11460 lastLoadPositionTitle);
11463 /* Load the nth position from the given file */
11465 LoadPositionFromFile(filename, n, title)
11473 if (strcmp(filename, "-") == 0) {
11474 return LoadPosition(stdin, n, "stdin");
11476 f = fopen(filename, "rb");
11478 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11479 DisplayError(buf, errno);
11482 return LoadPosition(f, n, title);
11487 /* Load the nth position from the given open file, and close it */
11489 LoadPosition(f, positionNumber, title)
11491 int positionNumber;
11494 char *p, line[MSG_SIZ];
11495 Board initial_position;
11496 int i, j, fenMode, pn;
11498 if (gameMode == Training )
11499 SetTrainingModeOff();
11501 if (gameMode != BeginningOfGame) {
11502 Reset(FALSE, TRUE);
11504 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11505 fclose(lastLoadPositionFP);
11507 if (positionNumber == 0) positionNumber = 1;
11508 lastLoadPositionFP = f;
11509 lastLoadPositionNumber = positionNumber;
11510 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11511 if (first.pr == NoProc) {
11512 StartChessProgram(&first);
11513 InitChessProgram(&first, FALSE);
11515 pn = positionNumber;
11516 if (positionNumber < 0) {
11517 /* Negative position number means to seek to that byte offset */
11518 if (fseek(f, -positionNumber, 0) == -1) {
11519 DisplayError(_("Can't seek on position file"), 0);
11524 if (fseek(f, 0, 0) == -1) {
11525 if (f == lastLoadPositionFP ?
11526 positionNumber == lastLoadPositionNumber + 1 :
11527 positionNumber == 1) {
11530 DisplayError(_("Can't seek on position file"), 0);
11535 /* See if this file is FEN or old-style xboard */
11536 if (fgets(line, MSG_SIZ, f) == NULL) {
11537 DisplayError(_("Position not found in file"), 0);
11540 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11541 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11544 if (fenMode || line[0] == '#') pn--;
11546 /* skip positions before number pn */
11547 if (fgets(line, MSG_SIZ, f) == NULL) {
11549 DisplayError(_("Position not found in file"), 0);
11552 if (fenMode || line[0] == '#') pn--;
11557 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11558 DisplayError(_("Bad FEN position in file"), 0);
11562 (void) fgets(line, MSG_SIZ, f);
11563 (void) fgets(line, MSG_SIZ, f);
11565 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11566 (void) fgets(line, MSG_SIZ, f);
11567 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11570 initial_position[i][j++] = CharToPiece(*p);
11574 blackPlaysFirst = FALSE;
11576 (void) fgets(line, MSG_SIZ, f);
11577 if (strncmp(line, "black", strlen("black"))==0)
11578 blackPlaysFirst = TRUE;
11581 startedFromSetupPosition = TRUE;
11583 SendToProgram("force\n", &first);
11584 CopyBoard(boards[0], initial_position);
11585 if (blackPlaysFirst) {
11586 currentMove = forwardMostMove = backwardMostMove = 1;
11587 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11588 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11589 CopyBoard(boards[1], initial_position);
11590 DisplayMessage("", _("Black to play"));
11592 currentMove = forwardMostMove = backwardMostMove = 0;
11593 DisplayMessage("", _("White to play"));
11595 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11596 SendBoard(&first, forwardMostMove);
11597 if (appData.debugMode) {
11599 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11600 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11601 fprintf(debugFP, "Load Position\n");
11604 if (positionNumber > 1) {
11605 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11606 DisplayTitle(line);
11608 DisplayTitle(title);
11610 gameMode = EditGame;
11613 timeRemaining[0][1] = whiteTimeRemaining;
11614 timeRemaining[1][1] = blackTimeRemaining;
11615 DrawPosition(FALSE, boards[currentMove]);
11622 CopyPlayerNameIntoFileName(dest, src)
11625 while (*src != NULLCHAR && *src != ',') {
11630 *(*dest)++ = *src++;
11635 char *DefaultFileName(ext)
11638 static char def[MSG_SIZ];
11641 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11643 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11645 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11647 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11654 /* Save the current game to the given file */
11656 SaveGameToFile(filename, append)
11664 if (strcmp(filename, "-") == 0) {
11665 return SaveGame(stdout, 0, NULL);
11667 f = fopen(filename, append ? "a" : "w");
11669 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11670 DisplayError(buf, errno);
11673 safeStrCpy(buf, lastMsg, MSG_SIZ);
11674 DisplayMessage(_("Waiting for access to save file"), "");
11675 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11676 DisplayMessage(_("Saving game"), "");
11677 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11678 result = SaveGame(f, 0, NULL);
11679 DisplayMessage(buf, "");
11689 static char buf[MSG_SIZ];
11692 p = strchr(str, ' ');
11693 if (p == NULL) return str;
11694 strncpy(buf, str, p - str);
11695 buf[p - str] = NULLCHAR;
11699 #define PGN_MAX_LINE 75
11701 #define PGN_SIDE_WHITE 0
11702 #define PGN_SIDE_BLACK 1
11705 static int FindFirstMoveOutOfBook( int side )
11709 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11710 int index = backwardMostMove;
11711 int has_book_hit = 0;
11713 if( (index % 2) != side ) {
11717 while( index < forwardMostMove ) {
11718 /* Check to see if engine is in book */
11719 int depth = pvInfoList[index].depth;
11720 int score = pvInfoList[index].score;
11726 else if( score == 0 && depth == 63 ) {
11727 in_book = 1; /* Zappa */
11729 else if( score == 2 && depth == 99 ) {
11730 in_book = 1; /* Abrok */
11733 has_book_hit += in_book;
11749 void GetOutOfBookInfo( char * buf )
11753 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11755 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11756 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11760 if( oob[0] >= 0 || oob[1] >= 0 ) {
11761 for( i=0; i<2; i++ ) {
11765 if( i > 0 && oob[0] >= 0 ) {
11766 strcat( buf, " " );
11769 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11770 sprintf( buf+strlen(buf), "%s%.2f",
11771 pvInfoList[idx].score >= 0 ? "+" : "",
11772 pvInfoList[idx].score / 100.0 );
11778 /* Save game in PGN style and close the file */
11783 int i, offset, linelen, newblock;
11787 int movelen, numlen, blank;
11788 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11790 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11792 tm = time((time_t *) NULL);
11794 PrintPGNTags(f, &gameInfo);
11796 if (backwardMostMove > 0 || startedFromSetupPosition) {
11797 char *fen = PositionToFEN(backwardMostMove, NULL);
11798 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11799 fprintf(f, "\n{--------------\n");
11800 PrintPosition(f, backwardMostMove);
11801 fprintf(f, "--------------}\n");
11805 /* [AS] Out of book annotation */
11806 if( appData.saveOutOfBookInfo ) {
11809 GetOutOfBookInfo( buf );
11811 if( buf[0] != '\0' ) {
11812 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11819 i = backwardMostMove;
11823 while (i < forwardMostMove) {
11824 /* Print comments preceding this move */
11825 if (commentList[i] != NULL) {
11826 if (linelen > 0) fprintf(f, "\n");
11827 fprintf(f, "%s", commentList[i]);
11832 /* Format move number */
11834 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11837 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11839 numtext[0] = NULLCHAR;
11841 numlen = strlen(numtext);
11844 /* Print move number */
11845 blank = linelen > 0 && numlen > 0;
11846 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11855 fprintf(f, "%s", numtext);
11859 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11860 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11863 blank = linelen > 0 && movelen > 0;
11864 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11873 fprintf(f, "%s", move_buffer);
11874 linelen += movelen;
11876 /* [AS] Add PV info if present */
11877 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11878 /* [HGM] add time */
11879 char buf[MSG_SIZ]; int seconds;
11881 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11887 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11890 seconds = (seconds + 4)/10; // round to full seconds
11892 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11894 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11897 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11898 pvInfoList[i].score >= 0 ? "+" : "",
11899 pvInfoList[i].score / 100.0,
11900 pvInfoList[i].depth,
11903 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11905 /* Print score/depth */
11906 blank = linelen > 0 && movelen > 0;
11907 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11916 fprintf(f, "%s", move_buffer);
11917 linelen += movelen;
11923 /* Start a new line */
11924 if (linelen > 0) fprintf(f, "\n");
11926 /* Print comments after last move */
11927 if (commentList[i] != NULL) {
11928 fprintf(f, "%s\n", commentList[i]);
11932 if (gameInfo.resultDetails != NULL &&
11933 gameInfo.resultDetails[0] != NULLCHAR) {
11934 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11935 PGNResult(gameInfo.result));
11937 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11941 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11945 /* Save game in old style and close the file */
11947 SaveGameOldStyle(f)
11953 tm = time((time_t *) NULL);
11955 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11958 if (backwardMostMove > 0 || startedFromSetupPosition) {
11959 fprintf(f, "\n[--------------\n");
11960 PrintPosition(f, backwardMostMove);
11961 fprintf(f, "--------------]\n");
11966 i = backwardMostMove;
11967 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11969 while (i < forwardMostMove) {
11970 if (commentList[i] != NULL) {
11971 fprintf(f, "[%s]\n", commentList[i]);
11974 if ((i % 2) == 1) {
11975 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11978 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11980 if (commentList[i] != NULL) {
11984 if (i >= forwardMostMove) {
11988 fprintf(f, "%s\n", parseList[i]);
11993 if (commentList[i] != NULL) {
11994 fprintf(f, "[%s]\n", commentList[i]);
11997 /* This isn't really the old style, but it's close enough */
11998 if (gameInfo.resultDetails != NULL &&
11999 gameInfo.resultDetails[0] != NULLCHAR) {
12000 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12001 gameInfo.resultDetails);
12003 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12010 /* Save the current game to open file f and close the file */
12012 SaveGame(f, dummy, dummy2)
12017 if (gameMode == EditPosition) EditPositionDone(TRUE);
12018 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12019 if (appData.oldSaveStyle)
12020 return SaveGameOldStyle(f);
12022 return SaveGamePGN(f);
12025 /* Save the current position to the given file */
12027 SavePositionToFile(filename)
12033 if (strcmp(filename, "-") == 0) {
12034 return SavePosition(stdout, 0, NULL);
12036 f = fopen(filename, "a");
12038 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12039 DisplayError(buf, errno);
12042 safeStrCpy(buf, lastMsg, MSG_SIZ);
12043 DisplayMessage(_("Waiting for access to save file"), "");
12044 flock(fileno(f), LOCK_EX); // [HGM] lock
12045 DisplayMessage(_("Saving position"), "");
12046 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12047 SavePosition(f, 0, NULL);
12048 DisplayMessage(buf, "");
12054 /* Save the current position to the given open file and close the file */
12056 SavePosition(f, dummy, dummy2)
12064 if (gameMode == EditPosition) EditPositionDone(TRUE);
12065 if (appData.oldSaveStyle) {
12066 tm = time((time_t *) NULL);
12068 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12070 fprintf(f, "[--------------\n");
12071 PrintPosition(f, currentMove);
12072 fprintf(f, "--------------]\n");
12074 fen = PositionToFEN(currentMove, NULL);
12075 fprintf(f, "%s\n", fen);
12083 ReloadCmailMsgEvent(unregister)
12087 static char *inFilename = NULL;
12088 static char *outFilename;
12090 struct stat inbuf, outbuf;
12093 /* Any registered moves are unregistered if unregister is set, */
12094 /* i.e. invoked by the signal handler */
12096 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12097 cmailMoveRegistered[i] = FALSE;
12098 if (cmailCommentList[i] != NULL) {
12099 free(cmailCommentList[i]);
12100 cmailCommentList[i] = NULL;
12103 nCmailMovesRegistered = 0;
12106 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12107 cmailResult[i] = CMAIL_NOT_RESULT;
12111 if (inFilename == NULL) {
12112 /* Because the filenames are static they only get malloced once */
12113 /* and they never get freed */
12114 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12115 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12117 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12118 sprintf(outFilename, "%s.out", appData.cmailGameName);
12121 status = stat(outFilename, &outbuf);
12123 cmailMailedMove = FALSE;
12125 status = stat(inFilename, &inbuf);
12126 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12129 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12130 counts the games, notes how each one terminated, etc.
12132 It would be nice to remove this kludge and instead gather all
12133 the information while building the game list. (And to keep it
12134 in the game list nodes instead of having a bunch of fixed-size
12135 parallel arrays.) Note this will require getting each game's
12136 termination from the PGN tags, as the game list builder does
12137 not process the game moves. --mann
12139 cmailMsgLoaded = TRUE;
12140 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12142 /* Load first game in the file or popup game menu */
12143 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12145 #endif /* !WIN32 */
12153 char string[MSG_SIZ];
12155 if ( cmailMailedMove
12156 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12157 return TRUE; /* Allow free viewing */
12160 /* Unregister move to ensure that we don't leave RegisterMove */
12161 /* with the move registered when the conditions for registering no */
12163 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12164 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12165 nCmailMovesRegistered --;
12167 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12169 free(cmailCommentList[lastLoadGameNumber - 1]);
12170 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12174 if (cmailOldMove == -1) {
12175 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12179 if (currentMove > cmailOldMove + 1) {
12180 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12184 if (currentMove < cmailOldMove) {
12185 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12189 if (forwardMostMove > currentMove) {
12190 /* Silently truncate extra moves */
12194 if ( (currentMove == cmailOldMove + 1)
12195 || ( (currentMove == cmailOldMove)
12196 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12197 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12198 if (gameInfo.result != GameUnfinished) {
12199 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12202 if (commentList[currentMove] != NULL) {
12203 cmailCommentList[lastLoadGameNumber - 1]
12204 = StrSave(commentList[currentMove]);
12206 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12208 if (appData.debugMode)
12209 fprintf(debugFP, "Saving %s for game %d\n",
12210 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12212 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12214 f = fopen(string, "w");
12215 if (appData.oldSaveStyle) {
12216 SaveGameOldStyle(f); /* also closes the file */
12218 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12219 f = fopen(string, "w");
12220 SavePosition(f, 0, NULL); /* also closes the file */
12222 fprintf(f, "{--------------\n");
12223 PrintPosition(f, currentMove);
12224 fprintf(f, "--------------}\n\n");
12226 SaveGame(f, 0, NULL); /* also closes the file*/
12229 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12230 nCmailMovesRegistered ++;
12231 } else if (nCmailGames == 1) {
12232 DisplayError(_("You have not made a move yet"), 0);
12243 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12244 FILE *commandOutput;
12245 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12246 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12252 if (! cmailMsgLoaded) {
12253 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12257 if (nCmailGames == nCmailResults) {
12258 DisplayError(_("No unfinished games"), 0);
12262 #if CMAIL_PROHIBIT_REMAIL
12263 if (cmailMailedMove) {
12264 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);
12265 DisplayError(msg, 0);
12270 if (! (cmailMailedMove || RegisterMove())) return;
12272 if ( cmailMailedMove
12273 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12274 snprintf(string, MSG_SIZ, partCommandString,
12275 appData.debugMode ? " -v" : "", appData.cmailGameName);
12276 commandOutput = popen(string, "r");
12278 if (commandOutput == NULL) {
12279 DisplayError(_("Failed to invoke cmail"), 0);
12281 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12282 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12284 if (nBuffers > 1) {
12285 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12286 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12287 nBytes = MSG_SIZ - 1;
12289 (void) memcpy(msg, buffer, nBytes);
12291 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12293 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12294 cmailMailedMove = TRUE; /* Prevent >1 moves */
12297 for (i = 0; i < nCmailGames; i ++) {
12298 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12303 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12305 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12307 appData.cmailGameName,
12309 LoadGameFromFile(buffer, 1, buffer, FALSE);
12310 cmailMsgLoaded = FALSE;
12314 DisplayInformation(msg);
12315 pclose(commandOutput);
12318 if ((*cmailMsg) != '\0') {
12319 DisplayInformation(cmailMsg);
12324 #endif /* !WIN32 */
12333 int prependComma = 0;
12335 char string[MSG_SIZ]; /* Space for game-list */
12338 if (!cmailMsgLoaded) return "";
12340 if (cmailMailedMove) {
12341 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12343 /* Create a list of games left */
12344 snprintf(string, MSG_SIZ, "[");
12345 for (i = 0; i < nCmailGames; i ++) {
12346 if (! ( cmailMoveRegistered[i]
12347 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12348 if (prependComma) {
12349 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12351 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12355 strcat(string, number);
12358 strcat(string, "]");
12360 if (nCmailMovesRegistered + nCmailResults == 0) {
12361 switch (nCmailGames) {
12363 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12367 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12371 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12376 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12378 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12383 if (nCmailResults == nCmailGames) {
12384 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12386 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12391 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12403 if (gameMode == Training)
12404 SetTrainingModeOff();
12407 cmailMsgLoaded = FALSE;
12408 if (appData.icsActive) {
12409 SendToICS(ics_prefix);
12410 SendToICS("refresh\n");
12420 /* Give up on clean exit */
12424 /* Keep trying for clean exit */
12428 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12430 if (telnetISR != NULL) {
12431 RemoveInputSource(telnetISR);
12433 if (icsPR != NoProc) {
12434 DestroyChildProcess(icsPR, TRUE);
12437 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12438 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12440 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12441 /* make sure this other one finishes before killing it! */
12442 if(endingGame) { int count = 0;
12443 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12444 while(endingGame && count++ < 10) DoSleep(1);
12445 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12448 /* Kill off chess programs */
12449 if (first.pr != NoProc) {
12452 DoSleep( appData.delayBeforeQuit );
12453 SendToProgram("quit\n", &first);
12454 DoSleep( appData.delayAfterQuit );
12455 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12457 if (second.pr != NoProc) {
12458 DoSleep( appData.delayBeforeQuit );
12459 SendToProgram("quit\n", &second);
12460 DoSleep( appData.delayAfterQuit );
12461 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12463 if (first.isr != NULL) {
12464 RemoveInputSource(first.isr);
12466 if (second.isr != NULL) {
12467 RemoveInputSource(second.isr);
12470 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12471 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12473 ShutDownFrontEnd();
12480 if (appData.debugMode)
12481 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12485 if (gameMode == MachinePlaysWhite ||
12486 gameMode == MachinePlaysBlack) {
12489 DisplayBothClocks();
12491 if (gameMode == PlayFromGameFile) {
12492 if (appData.timeDelay >= 0)
12493 AutoPlayGameLoop();
12494 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12495 Reset(FALSE, TRUE);
12496 SendToICS(ics_prefix);
12497 SendToICS("refresh\n");
12498 } else if (currentMove < forwardMostMove) {
12499 ForwardInner(forwardMostMove);
12501 pauseExamInvalid = FALSE;
12503 switch (gameMode) {
12507 pauseExamForwardMostMove = forwardMostMove;
12508 pauseExamInvalid = FALSE;
12511 case IcsPlayingWhite:
12512 case IcsPlayingBlack:
12516 case PlayFromGameFile:
12517 (void) StopLoadGameTimer();
12521 case BeginningOfGame:
12522 if (appData.icsActive) return;
12523 /* else fall through */
12524 case MachinePlaysWhite:
12525 case MachinePlaysBlack:
12526 case TwoMachinesPlay:
12527 if (forwardMostMove == 0)
12528 return; /* don't pause if no one has moved */
12529 if ((gameMode == MachinePlaysWhite &&
12530 !WhiteOnMove(forwardMostMove)) ||
12531 (gameMode == MachinePlaysBlack &&
12532 WhiteOnMove(forwardMostMove))) {
12545 char title[MSG_SIZ];
12547 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12548 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12550 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12551 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12552 parseList[currentMove - 1]);
12555 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12562 char *tags = PGNTags(&gameInfo);
12564 EditTagsPopUp(tags, NULL);
12571 if (appData.noChessProgram || gameMode == AnalyzeMode)
12574 if (gameMode != AnalyzeFile) {
12575 if (!appData.icsEngineAnalyze) {
12577 if (gameMode != EditGame) return;
12579 ResurrectChessProgram();
12580 SendToProgram("analyze\n", &first);
12581 first.analyzing = TRUE;
12582 /*first.maybeThinking = TRUE;*/
12583 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12584 EngineOutputPopUp();
12586 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12591 StartAnalysisClock();
12592 GetTimeMark(&lastNodeCountTime);
12599 if (appData.noChessProgram || gameMode == AnalyzeFile)
12602 if (gameMode != AnalyzeMode) {
12604 if (gameMode != EditGame) return;
12605 ResurrectChessProgram();
12606 SendToProgram("analyze\n", &first);
12607 first.analyzing = TRUE;
12608 /*first.maybeThinking = TRUE;*/
12609 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12610 EngineOutputPopUp();
12612 gameMode = AnalyzeFile;
12617 StartAnalysisClock();
12618 GetTimeMark(&lastNodeCountTime);
12623 MachineWhiteEvent()
12626 char *bookHit = NULL;
12628 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12632 if (gameMode == PlayFromGameFile ||
12633 gameMode == TwoMachinesPlay ||
12634 gameMode == Training ||
12635 gameMode == AnalyzeMode ||
12636 gameMode == EndOfGame)
12639 if (gameMode == EditPosition)
12640 EditPositionDone(TRUE);
12642 if (!WhiteOnMove(currentMove)) {
12643 DisplayError(_("It is not White's turn"), 0);
12647 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12650 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12651 gameMode == AnalyzeFile)
12654 ResurrectChessProgram(); /* in case it isn't running */
12655 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12656 gameMode = MachinePlaysWhite;
12659 gameMode = MachinePlaysWhite;
12663 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12665 if (first.sendName) {
12666 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12667 SendToProgram(buf, &first);
12669 if (first.sendTime) {
12670 if (first.useColors) {
12671 SendToProgram("black\n", &first); /*gnu kludge*/
12673 SendTimeRemaining(&first, TRUE);
12675 if (first.useColors) {
12676 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12678 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12679 SetMachineThinkingEnables();
12680 first.maybeThinking = TRUE;
12684 if (appData.autoFlipView && !flipView) {
12685 flipView = !flipView;
12686 DrawPosition(FALSE, NULL);
12687 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12690 if(bookHit) { // [HGM] book: simulate book reply
12691 static char bookMove[MSG_SIZ]; // a bit generous?
12693 programStats.nodes = programStats.depth = programStats.time =
12694 programStats.score = programStats.got_only_move = 0;
12695 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12697 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12698 strcat(bookMove, bookHit);
12699 HandleMachineMove(bookMove, &first);
12704 MachineBlackEvent()
12707 char *bookHit = NULL;
12709 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12713 if (gameMode == PlayFromGameFile ||
12714 gameMode == TwoMachinesPlay ||
12715 gameMode == Training ||
12716 gameMode == AnalyzeMode ||
12717 gameMode == EndOfGame)
12720 if (gameMode == EditPosition)
12721 EditPositionDone(TRUE);
12723 if (WhiteOnMove(currentMove)) {
12724 DisplayError(_("It is not Black's turn"), 0);
12728 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12731 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12732 gameMode == AnalyzeFile)
12735 ResurrectChessProgram(); /* in case it isn't running */
12736 gameMode = MachinePlaysBlack;
12740 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12742 if (first.sendName) {
12743 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12744 SendToProgram(buf, &first);
12746 if (first.sendTime) {
12747 if (first.useColors) {
12748 SendToProgram("white\n", &first); /*gnu kludge*/
12750 SendTimeRemaining(&first, FALSE);
12752 if (first.useColors) {
12753 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12755 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12756 SetMachineThinkingEnables();
12757 first.maybeThinking = TRUE;
12760 if (appData.autoFlipView && flipView) {
12761 flipView = !flipView;
12762 DrawPosition(FALSE, NULL);
12763 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12765 if(bookHit) { // [HGM] book: simulate book reply
12766 static char bookMove[MSG_SIZ]; // a bit generous?
12768 programStats.nodes = programStats.depth = programStats.time =
12769 programStats.score = programStats.got_only_move = 0;
12770 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12772 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12773 strcat(bookMove, bookHit);
12774 HandleMachineMove(bookMove, &first);
12780 DisplayTwoMachinesTitle()
12783 if (appData.matchGames > 0) {
12784 if(appData.tourneyFile[0]) {
12785 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
12786 gameInfo.white, gameInfo.black,
12787 nextGame+1, appData.matchGames+1,
12788 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
12790 if (first.twoMachinesColor[0] == 'w') {
12791 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12792 gameInfo.white, gameInfo.black,
12793 first.matchWins, second.matchWins,
12794 matchGame - 1 - (first.matchWins + second.matchWins));
12796 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12797 gameInfo.white, gameInfo.black,
12798 second.matchWins, first.matchWins,
12799 matchGame - 1 - (first.matchWins + second.matchWins));
12802 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12808 SettingsMenuIfReady()
12810 if (second.lastPing != second.lastPong) {
12811 DisplayMessage("", _("Waiting for second chess program"));
12812 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12816 DisplayMessage("", "");
12817 SettingsPopUp(&second);
12821 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12824 if (cps->pr == NULL) {
12825 StartChessProgram(cps);
12826 if (cps->protocolVersion == 1) {
12829 /* kludge: allow timeout for initial "feature" command */
12831 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12832 DisplayMessage("", buf);
12833 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12841 TwoMachinesEvent P((void))
12845 ChessProgramState *onmove;
12846 char *bookHit = NULL;
12847 static int stalling = 0;
12851 if (appData.noChessProgram) return;
12853 switch (gameMode) {
12854 case TwoMachinesPlay:
12856 case MachinePlaysWhite:
12857 case MachinePlaysBlack:
12858 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12859 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12863 case BeginningOfGame:
12864 case PlayFromGameFile:
12867 if (gameMode != EditGame) return;
12870 EditPositionDone(TRUE);
12881 // forwardMostMove = currentMove;
12882 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12884 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12886 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12887 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12888 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12892 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12893 SendToProgram("force\n", &second);
12895 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12898 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12899 if(appData.matchPause>10000 || appData.matchPause<10)
12900 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12901 wait = SubtractTimeMarks(&now, &pauseStart);
12902 if(wait < appData.matchPause) {
12903 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12907 DisplayMessage("", "");
12908 if (startedFromSetupPosition) {
12909 SendBoard(&second, backwardMostMove);
12910 if (appData.debugMode) {
12911 fprintf(debugFP, "Two Machines\n");
12914 for (i = backwardMostMove; i < forwardMostMove; i++) {
12915 SendMoveToProgram(i, &second);
12918 gameMode = TwoMachinesPlay;
12920 ModeHighlight(); // [HGM] logo: this triggers display update of logos
12922 DisplayTwoMachinesTitle();
12924 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12929 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12930 SendToProgram(first.computerString, &first);
12931 if (first.sendName) {
12932 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12933 SendToProgram(buf, &first);
12935 SendToProgram(second.computerString, &second);
12936 if (second.sendName) {
12937 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12938 SendToProgram(buf, &second);
12942 if (!first.sendTime || !second.sendTime) {
12943 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12944 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12946 if (onmove->sendTime) {
12947 if (onmove->useColors) {
12948 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12950 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12952 if (onmove->useColors) {
12953 SendToProgram(onmove->twoMachinesColor, onmove);
12955 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12956 // SendToProgram("go\n", onmove);
12957 onmove->maybeThinking = TRUE;
12958 SetMachineThinkingEnables();
12962 if(bookHit) { // [HGM] book: simulate book reply
12963 static char bookMove[MSG_SIZ]; // a bit generous?
12965 programStats.nodes = programStats.depth = programStats.time =
12966 programStats.score = programStats.got_only_move = 0;
12967 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12969 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12970 strcat(bookMove, bookHit);
12971 savedMessage = bookMove; // args for deferred call
12972 savedState = onmove;
12973 ScheduleDelayedEvent(DeferredBookMove, 1);
12980 if (gameMode == Training) {
12981 SetTrainingModeOff();
12982 gameMode = PlayFromGameFile;
12983 DisplayMessage("", _("Training mode off"));
12985 gameMode = Training;
12986 animateTraining = appData.animate;
12988 /* make sure we are not already at the end of the game */
12989 if (currentMove < forwardMostMove) {
12990 SetTrainingModeOn();
12991 DisplayMessage("", _("Training mode on"));
12993 gameMode = PlayFromGameFile;
12994 DisplayError(_("Already at end of game"), 0);
13003 if (!appData.icsActive) return;
13004 switch (gameMode) {
13005 case IcsPlayingWhite:
13006 case IcsPlayingBlack:
13009 case BeginningOfGame:
13017 EditPositionDone(TRUE);
13030 gameMode = IcsIdle;
13041 switch (gameMode) {
13043 SetTrainingModeOff();
13045 case MachinePlaysWhite:
13046 case MachinePlaysBlack:
13047 case BeginningOfGame:
13048 SendToProgram("force\n", &first);
13049 SetUserThinkingEnables();
13051 case PlayFromGameFile:
13052 (void) StopLoadGameTimer();
13053 if (gameFileFP != NULL) {
13058 EditPositionDone(TRUE);
13063 SendToProgram("force\n", &first);
13065 case TwoMachinesPlay:
13066 GameEnds(EndOfFile, NULL, GE_PLAYER);
13067 ResurrectChessProgram();
13068 SetUserThinkingEnables();
13071 ResurrectChessProgram();
13073 case IcsPlayingBlack:
13074 case IcsPlayingWhite:
13075 DisplayError(_("Warning: You are still playing a game"), 0);
13078 DisplayError(_("Warning: You are still observing a game"), 0);
13081 DisplayError(_("Warning: You are still examining a game"), 0);
13092 first.offeredDraw = second.offeredDraw = 0;
13094 if (gameMode == PlayFromGameFile) {
13095 whiteTimeRemaining = timeRemaining[0][currentMove];
13096 blackTimeRemaining = timeRemaining[1][currentMove];
13100 if (gameMode == MachinePlaysWhite ||
13101 gameMode == MachinePlaysBlack ||
13102 gameMode == TwoMachinesPlay ||
13103 gameMode == EndOfGame) {
13104 i = forwardMostMove;
13105 while (i > currentMove) {
13106 SendToProgram("undo\n", &first);
13109 whiteTimeRemaining = timeRemaining[0][currentMove];
13110 blackTimeRemaining = timeRemaining[1][currentMove];
13111 DisplayBothClocks();
13112 if (whiteFlag || blackFlag) {
13113 whiteFlag = blackFlag = 0;
13118 gameMode = EditGame;
13125 EditPositionEvent()
13127 if (gameMode == EditPosition) {
13133 if (gameMode != EditGame) return;
13135 gameMode = EditPosition;
13138 if (currentMove > 0)
13139 CopyBoard(boards[0], boards[currentMove]);
13141 blackPlaysFirst = !WhiteOnMove(currentMove);
13143 currentMove = forwardMostMove = backwardMostMove = 0;
13144 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13151 /* [DM] icsEngineAnalyze - possible call from other functions */
13152 if (appData.icsEngineAnalyze) {
13153 appData.icsEngineAnalyze = FALSE;
13155 DisplayMessage("",_("Close ICS engine analyze..."));
13157 if (first.analysisSupport && first.analyzing) {
13158 SendToProgram("exit\n", &first);
13159 first.analyzing = FALSE;
13161 thinkOutput[0] = NULLCHAR;
13165 EditPositionDone(Boolean fakeRights)
13167 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13169 startedFromSetupPosition = TRUE;
13170 InitChessProgram(&first, FALSE);
13171 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13172 boards[0][EP_STATUS] = EP_NONE;
13173 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13174 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13175 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13176 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13177 } else boards[0][CASTLING][2] = NoRights;
13178 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13179 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13180 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13181 } else boards[0][CASTLING][5] = NoRights;
13183 SendToProgram("force\n", &first);
13184 if (blackPlaysFirst) {
13185 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13186 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13187 currentMove = forwardMostMove = backwardMostMove = 1;
13188 CopyBoard(boards[1], boards[0]);
13190 currentMove = forwardMostMove = backwardMostMove = 0;
13192 SendBoard(&first, forwardMostMove);
13193 if (appData.debugMode) {
13194 fprintf(debugFP, "EditPosDone\n");
13197 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13198 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13199 gameMode = EditGame;
13201 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13202 ClearHighlights(); /* [AS] */
13205 /* Pause for `ms' milliseconds */
13206 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13216 } while (SubtractTimeMarks(&m2, &m1) < ms);
13219 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13221 SendMultiLineToICS(buf)
13224 char temp[MSG_SIZ+1], *p;
13231 strncpy(temp, buf, len);
13236 if (*p == '\n' || *p == '\r')
13241 strcat(temp, "\n");
13243 SendToPlayer(temp, strlen(temp));
13247 SetWhiteToPlayEvent()
13249 if (gameMode == EditPosition) {
13250 blackPlaysFirst = FALSE;
13251 DisplayBothClocks(); /* works because currentMove is 0 */
13252 } else if (gameMode == IcsExamining) {
13253 SendToICS(ics_prefix);
13254 SendToICS("tomove white\n");
13259 SetBlackToPlayEvent()
13261 if (gameMode == EditPosition) {
13262 blackPlaysFirst = TRUE;
13263 currentMove = 1; /* kludge */
13264 DisplayBothClocks();
13266 } else if (gameMode == IcsExamining) {
13267 SendToICS(ics_prefix);
13268 SendToICS("tomove black\n");
13273 EditPositionMenuEvent(selection, x, y)
13274 ChessSquare selection;
13278 ChessSquare piece = boards[0][y][x];
13280 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13282 switch (selection) {
13284 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13285 SendToICS(ics_prefix);
13286 SendToICS("bsetup clear\n");
13287 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13288 SendToICS(ics_prefix);
13289 SendToICS("clearboard\n");
13291 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13292 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13293 for (y = 0; y < BOARD_HEIGHT; y++) {
13294 if (gameMode == IcsExamining) {
13295 if (boards[currentMove][y][x] != EmptySquare) {
13296 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13301 boards[0][y][x] = p;
13306 if (gameMode == EditPosition) {
13307 DrawPosition(FALSE, boards[0]);
13312 SetWhiteToPlayEvent();
13316 SetBlackToPlayEvent();
13320 if (gameMode == IcsExamining) {
13321 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13322 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13325 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13326 if(x == BOARD_LEFT-2) {
13327 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13328 boards[0][y][1] = 0;
13330 if(x == BOARD_RGHT+1) {
13331 if(y >= gameInfo.holdingsSize) break;
13332 boards[0][y][BOARD_WIDTH-2] = 0;
13335 boards[0][y][x] = EmptySquare;
13336 DrawPosition(FALSE, boards[0]);
13341 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13342 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13343 selection = (ChessSquare) (PROMOTED piece);
13344 } else if(piece == EmptySquare) selection = WhiteSilver;
13345 else selection = (ChessSquare)((int)piece - 1);
13349 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13350 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13351 selection = (ChessSquare) (DEMOTED piece);
13352 } else if(piece == EmptySquare) selection = BlackSilver;
13353 else selection = (ChessSquare)((int)piece + 1);
13358 if(gameInfo.variant == VariantShatranj ||
13359 gameInfo.variant == VariantXiangqi ||
13360 gameInfo.variant == VariantCourier ||
13361 gameInfo.variant == VariantMakruk )
13362 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13367 if(gameInfo.variant == VariantXiangqi)
13368 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13369 if(gameInfo.variant == VariantKnightmate)
13370 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13373 if (gameMode == IcsExamining) {
13374 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13375 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13376 PieceToChar(selection), AAA + x, ONE + y);
13379 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13381 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13382 n = PieceToNumber(selection - BlackPawn);
13383 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13384 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13385 boards[0][BOARD_HEIGHT-1-n][1]++;
13387 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13388 n = PieceToNumber(selection);
13389 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13390 boards[0][n][BOARD_WIDTH-1] = selection;
13391 boards[0][n][BOARD_WIDTH-2]++;
13394 boards[0][y][x] = selection;
13395 DrawPosition(TRUE, boards[0]);
13403 DropMenuEvent(selection, x, y)
13404 ChessSquare selection;
13407 ChessMove moveType;
13409 switch (gameMode) {
13410 case IcsPlayingWhite:
13411 case MachinePlaysBlack:
13412 if (!WhiteOnMove(currentMove)) {
13413 DisplayMoveError(_("It is Black's turn"));
13416 moveType = WhiteDrop;
13418 case IcsPlayingBlack:
13419 case MachinePlaysWhite:
13420 if (WhiteOnMove(currentMove)) {
13421 DisplayMoveError(_("It is White's turn"));
13424 moveType = BlackDrop;
13427 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13433 if (moveType == BlackDrop && selection < BlackPawn) {
13434 selection = (ChessSquare) ((int) selection
13435 + (int) BlackPawn - (int) WhitePawn);
13437 if (boards[currentMove][y][x] != EmptySquare) {
13438 DisplayMoveError(_("That square is occupied"));
13442 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13448 /* Accept a pending offer of any kind from opponent */
13450 if (appData.icsActive) {
13451 SendToICS(ics_prefix);
13452 SendToICS("accept\n");
13453 } else if (cmailMsgLoaded) {
13454 if (currentMove == cmailOldMove &&
13455 commentList[cmailOldMove] != NULL &&
13456 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13457 "Black offers a draw" : "White offers a draw")) {
13459 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13460 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13462 DisplayError(_("There is no pending offer on this move"), 0);
13463 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13466 /* Not used for offers from chess program */
13473 /* Decline a pending offer of any kind from opponent */
13475 if (appData.icsActive) {
13476 SendToICS(ics_prefix);
13477 SendToICS("decline\n");
13478 } else if (cmailMsgLoaded) {
13479 if (currentMove == cmailOldMove &&
13480 commentList[cmailOldMove] != NULL &&
13481 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13482 "Black offers a draw" : "White offers a draw")) {
13484 AppendComment(cmailOldMove, "Draw declined", TRUE);
13485 DisplayComment(cmailOldMove - 1, "Draw declined");
13488 DisplayError(_("There is no pending offer on this move"), 0);
13491 /* Not used for offers from chess program */
13498 /* Issue ICS rematch command */
13499 if (appData.icsActive) {
13500 SendToICS(ics_prefix);
13501 SendToICS("rematch\n");
13508 /* Call your opponent's flag (claim a win on time) */
13509 if (appData.icsActive) {
13510 SendToICS(ics_prefix);
13511 SendToICS("flag\n");
13513 switch (gameMode) {
13516 case MachinePlaysWhite:
13519 GameEnds(GameIsDrawn, "Both players ran out of time",
13522 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13524 DisplayError(_("Your opponent is not out of time"), 0);
13527 case MachinePlaysBlack:
13530 GameEnds(GameIsDrawn, "Both players ran out of time",
13533 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13535 DisplayError(_("Your opponent is not out of time"), 0);
13543 ClockClick(int which)
13544 { // [HGM] code moved to back-end from winboard.c
13545 if(which) { // black clock
13546 if (gameMode == EditPosition || gameMode == IcsExamining) {
13547 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13548 SetBlackToPlayEvent();
13549 } else if (gameMode == EditGame || shiftKey) {
13550 AdjustClock(which, -1);
13551 } else if (gameMode == IcsPlayingWhite ||
13552 gameMode == MachinePlaysBlack) {
13555 } else { // white clock
13556 if (gameMode == EditPosition || gameMode == IcsExamining) {
13557 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13558 SetWhiteToPlayEvent();
13559 } else if (gameMode == EditGame || shiftKey) {
13560 AdjustClock(which, -1);
13561 } else if (gameMode == IcsPlayingBlack ||
13562 gameMode == MachinePlaysWhite) {
13571 /* Offer draw or accept pending draw offer from opponent */
13573 if (appData.icsActive) {
13574 /* Note: tournament rules require draw offers to be
13575 made after you make your move but before you punch
13576 your clock. Currently ICS doesn't let you do that;
13577 instead, you immediately punch your clock after making
13578 a move, but you can offer a draw at any time. */
13580 SendToICS(ics_prefix);
13581 SendToICS("draw\n");
13582 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13583 } else if (cmailMsgLoaded) {
13584 if (currentMove == cmailOldMove &&
13585 commentList[cmailOldMove] != NULL &&
13586 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13587 "Black offers a draw" : "White offers a draw")) {
13588 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13589 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13590 } else if (currentMove == cmailOldMove + 1) {
13591 char *offer = WhiteOnMove(cmailOldMove) ?
13592 "White offers a draw" : "Black offers a draw";
13593 AppendComment(currentMove, offer, TRUE);
13594 DisplayComment(currentMove - 1, offer);
13595 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13597 DisplayError(_("You must make your move before offering a draw"), 0);
13598 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13600 } else if (first.offeredDraw) {
13601 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13603 if (first.sendDrawOffers) {
13604 SendToProgram("draw\n", &first);
13605 userOfferedDraw = TRUE;
13613 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13615 if (appData.icsActive) {
13616 SendToICS(ics_prefix);
13617 SendToICS("adjourn\n");
13619 /* Currently GNU Chess doesn't offer or accept Adjourns */
13627 /* Offer Abort or accept pending Abort offer from opponent */
13629 if (appData.icsActive) {
13630 SendToICS(ics_prefix);
13631 SendToICS("abort\n");
13633 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13640 /* Resign. You can do this even if it's not your turn. */
13642 if (appData.icsActive) {
13643 SendToICS(ics_prefix);
13644 SendToICS("resign\n");
13646 switch (gameMode) {
13647 case MachinePlaysWhite:
13648 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13650 case MachinePlaysBlack:
13651 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13654 if (cmailMsgLoaded) {
13656 if (WhiteOnMove(cmailOldMove)) {
13657 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13659 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13661 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13672 StopObservingEvent()
13674 /* Stop observing current games */
13675 SendToICS(ics_prefix);
13676 SendToICS("unobserve\n");
13680 StopExaminingEvent()
13682 /* Stop observing current game */
13683 SendToICS(ics_prefix);
13684 SendToICS("unexamine\n");
13688 ForwardInner(target)
13693 if (appData.debugMode)
13694 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13695 target, currentMove, forwardMostMove);
13697 if (gameMode == EditPosition)
13700 if (gameMode == PlayFromGameFile && !pausing)
13703 if (gameMode == IcsExamining && pausing)
13704 limit = pauseExamForwardMostMove;
13706 limit = forwardMostMove;
13708 if (target > limit) target = limit;
13710 if (target > 0 && moveList[target - 1][0]) {
13711 int fromX, fromY, toX, toY;
13712 toX = moveList[target - 1][2] - AAA;
13713 toY = moveList[target - 1][3] - ONE;
13714 if (moveList[target - 1][1] == '@') {
13715 if (appData.highlightLastMove) {
13716 SetHighlights(-1, -1, toX, toY);
13719 fromX = moveList[target - 1][0] - AAA;
13720 fromY = moveList[target - 1][1] - ONE;
13721 if (target == currentMove + 1) {
13722 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13724 if (appData.highlightLastMove) {
13725 SetHighlights(fromX, fromY, toX, toY);
13729 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13730 gameMode == Training || gameMode == PlayFromGameFile ||
13731 gameMode == AnalyzeFile) {
13732 while (currentMove < target) {
13733 SendMoveToProgram(currentMove++, &first);
13736 currentMove = target;
13739 if (gameMode == EditGame || gameMode == EndOfGame) {
13740 whiteTimeRemaining = timeRemaining[0][currentMove];
13741 blackTimeRemaining = timeRemaining[1][currentMove];
13743 DisplayBothClocks();
13744 DisplayMove(currentMove - 1);
13745 DrawPosition(FALSE, boards[currentMove]);
13746 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13747 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13748 DisplayComment(currentMove - 1, commentList[currentMove]);
13750 DisplayBook(currentMove);
13757 if (gameMode == IcsExamining && !pausing) {
13758 SendToICS(ics_prefix);
13759 SendToICS("forward\n");
13761 ForwardInner(currentMove + 1);
13768 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13769 /* to optimze, we temporarily turn off analysis mode while we feed
13770 * the remaining moves to the engine. Otherwise we get analysis output
13773 if (first.analysisSupport) {
13774 SendToProgram("exit\nforce\n", &first);
13775 first.analyzing = FALSE;
13779 if (gameMode == IcsExamining && !pausing) {
13780 SendToICS(ics_prefix);
13781 SendToICS("forward 999999\n");
13783 ForwardInner(forwardMostMove);
13786 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13787 /* we have fed all the moves, so reactivate analysis mode */
13788 SendToProgram("analyze\n", &first);
13789 first.analyzing = TRUE;
13790 /*first.maybeThinking = TRUE;*/
13791 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13796 BackwardInner(target)
13799 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13801 if (appData.debugMode)
13802 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13803 target, currentMove, forwardMostMove);
13805 if (gameMode == EditPosition) return;
13806 if (currentMove <= backwardMostMove) {
13808 DrawPosition(full_redraw, boards[currentMove]);
13811 if (gameMode == PlayFromGameFile && !pausing)
13814 if (moveList[target][0]) {
13815 int fromX, fromY, toX, toY;
13816 toX = moveList[target][2] - AAA;
13817 toY = moveList[target][3] - ONE;
13818 if (moveList[target][1] == '@') {
13819 if (appData.highlightLastMove) {
13820 SetHighlights(-1, -1, toX, toY);
13823 fromX = moveList[target][0] - AAA;
13824 fromY = moveList[target][1] - ONE;
13825 if (target == currentMove - 1) {
13826 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13828 if (appData.highlightLastMove) {
13829 SetHighlights(fromX, fromY, toX, toY);
13833 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13834 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13835 while (currentMove > target) {
13836 SendToProgram("undo\n", &first);
13840 currentMove = target;
13843 if (gameMode == EditGame || gameMode == EndOfGame) {
13844 whiteTimeRemaining = timeRemaining[0][currentMove];
13845 blackTimeRemaining = timeRemaining[1][currentMove];
13847 DisplayBothClocks();
13848 DisplayMove(currentMove - 1);
13849 DrawPosition(full_redraw, boards[currentMove]);
13850 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13851 // [HGM] PV info: routine tests if comment empty
13852 DisplayComment(currentMove - 1, commentList[currentMove]);
13853 DisplayBook(currentMove);
13859 if (gameMode == IcsExamining && !pausing) {
13860 SendToICS(ics_prefix);
13861 SendToICS("backward\n");
13863 BackwardInner(currentMove - 1);
13870 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13871 /* to optimize, we temporarily turn off analysis mode while we undo
13872 * all the moves. Otherwise we get analysis output after each undo.
13874 if (first.analysisSupport) {
13875 SendToProgram("exit\nforce\n", &first);
13876 first.analyzing = FALSE;
13880 if (gameMode == IcsExamining && !pausing) {
13881 SendToICS(ics_prefix);
13882 SendToICS("backward 999999\n");
13884 BackwardInner(backwardMostMove);
13887 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13888 /* we have fed all the moves, so reactivate analysis mode */
13889 SendToProgram("analyze\n", &first);
13890 first.analyzing = TRUE;
13891 /*first.maybeThinking = TRUE;*/
13892 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13899 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13900 if (to >= forwardMostMove) to = forwardMostMove;
13901 if (to <= backwardMostMove) to = backwardMostMove;
13902 if (to < currentMove) {
13910 RevertEvent(Boolean annotate)
13912 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13915 if (gameMode != IcsExamining) {
13916 DisplayError(_("You are not examining a game"), 0);
13920 DisplayError(_("You can't revert while pausing"), 0);
13923 SendToICS(ics_prefix);
13924 SendToICS("revert\n");
13930 switch (gameMode) {
13931 case MachinePlaysWhite:
13932 case MachinePlaysBlack:
13933 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13934 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13937 if (forwardMostMove < 2) return;
13938 currentMove = forwardMostMove = forwardMostMove - 2;
13939 whiteTimeRemaining = timeRemaining[0][currentMove];
13940 blackTimeRemaining = timeRemaining[1][currentMove];
13941 DisplayBothClocks();
13942 DisplayMove(currentMove - 1);
13943 ClearHighlights();/*!! could figure this out*/
13944 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13945 SendToProgram("remove\n", &first);
13946 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13949 case BeginningOfGame:
13953 case IcsPlayingWhite:
13954 case IcsPlayingBlack:
13955 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13956 SendToICS(ics_prefix);
13957 SendToICS("takeback 2\n");
13959 SendToICS(ics_prefix);
13960 SendToICS("takeback 1\n");
13969 ChessProgramState *cps;
13971 switch (gameMode) {
13972 case MachinePlaysWhite:
13973 if (!WhiteOnMove(forwardMostMove)) {
13974 DisplayError(_("It is your turn"), 0);
13979 case MachinePlaysBlack:
13980 if (WhiteOnMove(forwardMostMove)) {
13981 DisplayError(_("It is your turn"), 0);
13986 case TwoMachinesPlay:
13987 if (WhiteOnMove(forwardMostMove) ==
13988 (first.twoMachinesColor[0] == 'w')) {
13994 case BeginningOfGame:
13998 SendToProgram("?\n", cps);
14002 TruncateGameEvent()
14005 if (gameMode != EditGame) return;
14012 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14013 if (forwardMostMove > currentMove) {
14014 if (gameInfo.resultDetails != NULL) {
14015 free(gameInfo.resultDetails);
14016 gameInfo.resultDetails = NULL;
14017 gameInfo.result = GameUnfinished;
14019 forwardMostMove = currentMove;
14020 HistorySet(parseList, backwardMostMove, forwardMostMove,
14028 if (appData.noChessProgram) return;
14029 switch (gameMode) {
14030 case MachinePlaysWhite:
14031 if (WhiteOnMove(forwardMostMove)) {
14032 DisplayError(_("Wait until your turn"), 0);
14036 case BeginningOfGame:
14037 case MachinePlaysBlack:
14038 if (!WhiteOnMove(forwardMostMove)) {
14039 DisplayError(_("Wait until your turn"), 0);
14044 DisplayError(_("No hint available"), 0);
14047 SendToProgram("hint\n", &first);
14048 hintRequested = TRUE;
14054 if (appData.noChessProgram) return;
14055 switch (gameMode) {
14056 case MachinePlaysWhite:
14057 if (WhiteOnMove(forwardMostMove)) {
14058 DisplayError(_("Wait until your turn"), 0);
14062 case BeginningOfGame:
14063 case MachinePlaysBlack:
14064 if (!WhiteOnMove(forwardMostMove)) {
14065 DisplayError(_("Wait until your turn"), 0);
14070 EditPositionDone(TRUE);
14072 case TwoMachinesPlay:
14077 SendToProgram("bk\n", &first);
14078 bookOutput[0] = NULLCHAR;
14079 bookRequested = TRUE;
14085 char *tags = PGNTags(&gameInfo);
14086 TagsPopUp(tags, CmailMsg());
14090 /* end button procedures */
14093 PrintPosition(fp, move)
14099 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14100 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14101 char c = PieceToChar(boards[move][i][j]);
14102 fputc(c == 'x' ? '.' : c, fp);
14103 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14106 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14107 fprintf(fp, "white to play\n");
14109 fprintf(fp, "black to play\n");
14116 if (gameInfo.white != NULL) {
14117 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14123 /* Find last component of program's own name, using some heuristics */
14125 TidyProgramName(prog, host, buf)
14126 char *prog, *host, buf[MSG_SIZ];
14129 int local = (strcmp(host, "localhost") == 0);
14130 while (!local && (p = strchr(prog, ';')) != NULL) {
14132 while (*p == ' ') p++;
14135 if (*prog == '"' || *prog == '\'') {
14136 q = strchr(prog + 1, *prog);
14138 q = strchr(prog, ' ');
14140 if (q == NULL) q = prog + strlen(prog);
14142 while (p >= prog && *p != '/' && *p != '\\') p--;
14144 if(p == prog && *p == '"') p++;
14145 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14146 memcpy(buf, p, q - p);
14147 buf[q - p] = NULLCHAR;
14155 TimeControlTagValue()
14158 if (!appData.clockMode) {
14159 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14160 } else if (movesPerSession > 0) {
14161 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14162 } else if (timeIncrement == 0) {
14163 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14165 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14167 return StrSave(buf);
14173 /* This routine is used only for certain modes */
14174 VariantClass v = gameInfo.variant;
14175 ChessMove r = GameUnfinished;
14178 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14179 r = gameInfo.result;
14180 p = gameInfo.resultDetails;
14181 gameInfo.resultDetails = NULL;
14183 ClearGameInfo(&gameInfo);
14184 gameInfo.variant = v;
14186 switch (gameMode) {
14187 case MachinePlaysWhite:
14188 gameInfo.event = StrSave( appData.pgnEventHeader );
14189 gameInfo.site = StrSave(HostName());
14190 gameInfo.date = PGNDate();
14191 gameInfo.round = StrSave("-");
14192 gameInfo.white = StrSave(first.tidy);
14193 gameInfo.black = StrSave(UserName());
14194 gameInfo.timeControl = TimeControlTagValue();
14197 case MachinePlaysBlack:
14198 gameInfo.event = StrSave( appData.pgnEventHeader );
14199 gameInfo.site = StrSave(HostName());
14200 gameInfo.date = PGNDate();
14201 gameInfo.round = StrSave("-");
14202 gameInfo.white = StrSave(UserName());
14203 gameInfo.black = StrSave(first.tidy);
14204 gameInfo.timeControl = TimeControlTagValue();
14207 case TwoMachinesPlay:
14208 gameInfo.event = StrSave( appData.pgnEventHeader );
14209 gameInfo.site = StrSave(HostName());
14210 gameInfo.date = PGNDate();
14213 snprintf(buf, MSG_SIZ, "%d", roundNr);
14214 gameInfo.round = StrSave(buf);
14216 gameInfo.round = StrSave("-");
14218 if (first.twoMachinesColor[0] == 'w') {
14219 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14220 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14222 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14223 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14225 gameInfo.timeControl = TimeControlTagValue();
14229 gameInfo.event = StrSave("Edited game");
14230 gameInfo.site = StrSave(HostName());
14231 gameInfo.date = PGNDate();
14232 gameInfo.round = StrSave("-");
14233 gameInfo.white = StrSave("-");
14234 gameInfo.black = StrSave("-");
14235 gameInfo.result = r;
14236 gameInfo.resultDetails = p;
14240 gameInfo.event = StrSave("Edited position");
14241 gameInfo.site = StrSave(HostName());
14242 gameInfo.date = PGNDate();
14243 gameInfo.round = StrSave("-");
14244 gameInfo.white = StrSave("-");
14245 gameInfo.black = StrSave("-");
14248 case IcsPlayingWhite:
14249 case IcsPlayingBlack:
14254 case PlayFromGameFile:
14255 gameInfo.event = StrSave("Game from non-PGN file");
14256 gameInfo.site = StrSave(HostName());
14257 gameInfo.date = PGNDate();
14258 gameInfo.round = StrSave("-");
14259 gameInfo.white = StrSave("?");
14260 gameInfo.black = StrSave("?");
14269 ReplaceComment(index, text)
14277 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14278 pvInfoList[index-1].depth == len &&
14279 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14280 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14281 while (*text == '\n') text++;
14282 len = strlen(text);
14283 while (len > 0 && text[len - 1] == '\n') len--;
14285 if (commentList[index] != NULL)
14286 free(commentList[index]);
14289 commentList[index] = NULL;
14292 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14293 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14294 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14295 commentList[index] = (char *) malloc(len + 2);
14296 strncpy(commentList[index], text, len);
14297 commentList[index][len] = '\n';
14298 commentList[index][len + 1] = NULLCHAR;
14300 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14302 commentList[index] = (char *) malloc(len + 7);
14303 safeStrCpy(commentList[index], "{\n", 3);
14304 safeStrCpy(commentList[index]+2, text, len+1);
14305 commentList[index][len+2] = NULLCHAR;
14306 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14307 strcat(commentList[index], "\n}\n");
14321 if (ch == '\r') continue;
14323 } while (ch != '\0');
14327 AppendComment(index, text, addBraces)
14330 Boolean addBraces; // [HGM] braces: tells if we should add {}
14335 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14336 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14339 while (*text == '\n') text++;
14340 len = strlen(text);
14341 while (len > 0 && text[len - 1] == '\n') len--;
14343 if (len == 0) return;
14345 if (commentList[index] != NULL) {
14346 old = commentList[index];
14347 oldlen = strlen(old);
14348 while(commentList[index][oldlen-1] == '\n')
14349 commentList[index][--oldlen] = NULLCHAR;
14350 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14351 safeStrCpy(commentList[index], old, oldlen + len + 6);
14353 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14354 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14355 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14356 while (*text == '\n') { text++; len--; }
14357 commentList[index][--oldlen] = NULLCHAR;
14359 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14360 else strcat(commentList[index], "\n");
14361 strcat(commentList[index], text);
14362 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14363 else strcat(commentList[index], "\n");
14365 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14367 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14368 else commentList[index][0] = NULLCHAR;
14369 strcat(commentList[index], text);
14370 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14371 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14375 static char * FindStr( char * text, char * sub_text )
14377 char * result = strstr( text, sub_text );
14379 if( result != NULL ) {
14380 result += strlen( sub_text );
14386 /* [AS] Try to extract PV info from PGN comment */
14387 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14388 char *GetInfoFromComment( int index, char * text )
14390 char * sep = text, *p;
14392 if( text != NULL && index > 0 ) {
14395 int time = -1, sec = 0, deci;
14396 char * s_eval = FindStr( text, "[%eval " );
14397 char * s_emt = FindStr( text, "[%emt " );
14399 if( s_eval != NULL || s_emt != NULL ) {
14403 if( s_eval != NULL ) {
14404 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14408 if( delim != ']' ) {
14413 if( s_emt != NULL ) {
14418 /* We expect something like: [+|-]nnn.nn/dd */
14421 if(*text != '{') return text; // [HGM] braces: must be normal comment
14423 sep = strchr( text, '/' );
14424 if( sep == NULL || sep < (text+4) ) {
14429 if(p[1] == '(') { // comment starts with PV
14430 p = strchr(p, ')'); // locate end of PV
14431 if(p == NULL || sep < p+5) return text;
14432 // at this point we have something like "{(.*) +0.23/6 ..."
14433 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14434 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14435 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14437 time = -1; sec = -1; deci = -1;
14438 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14439 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14440 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14441 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14445 if( score_lo < 0 || score_lo >= 100 ) {
14449 if(sec >= 0) time = 600*time + 10*sec; else
14450 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14452 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14454 /* [HGM] PV time: now locate end of PV info */
14455 while( *++sep >= '0' && *sep <= '9'); // strip depth
14457 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14459 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14461 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14462 while(*sep == ' ') sep++;
14473 pvInfoList[index-1].depth = depth;
14474 pvInfoList[index-1].score = score;
14475 pvInfoList[index-1].time = 10*time; // centi-sec
14476 if(*sep == '}') *sep = 0; else *--sep = '{';
14477 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14483 SendToProgram(message, cps)
14485 ChessProgramState *cps;
14487 int count, outCount, error;
14490 if (cps->pr == NULL) return;
14493 if (appData.debugMode) {
14496 fprintf(debugFP, "%ld >%-6s: %s",
14497 SubtractTimeMarks(&now, &programStartTime),
14498 cps->which, message);
14501 count = strlen(message);
14502 outCount = OutputToProcess(cps->pr, message, count, &error);
14503 if (outCount < count && !exiting
14504 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14505 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14506 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14507 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14508 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14509 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14510 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14511 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14513 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14514 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14515 gameInfo.result = res;
14517 gameInfo.resultDetails = StrSave(buf);
14519 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14520 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14525 ReceiveFromProgram(isr, closure, message, count, error)
14526 InputSourceRef isr;
14534 ChessProgramState *cps = (ChessProgramState *)closure;
14536 if (isr != cps->isr) return; /* Killed intentionally */
14539 RemoveInputSource(cps->isr);
14540 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14541 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14542 _(cps->which), cps->program);
14543 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14544 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14545 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14546 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14547 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14549 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14550 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14551 gameInfo.result = res;
14553 gameInfo.resultDetails = StrSave(buf);
14555 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14556 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14558 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14559 _(cps->which), cps->program);
14560 RemoveInputSource(cps->isr);
14562 /* [AS] Program is misbehaving badly... kill it */
14563 if( count == -2 ) {
14564 DestroyChildProcess( cps->pr, 9 );
14568 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14573 if ((end_str = strchr(message, '\r')) != NULL)
14574 *end_str = NULLCHAR;
14575 if ((end_str = strchr(message, '\n')) != NULL)
14576 *end_str = NULLCHAR;
14578 if (appData.debugMode) {
14579 TimeMark now; int print = 1;
14580 char *quote = ""; char c; int i;
14582 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14583 char start = message[0];
14584 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14585 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14586 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14587 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14588 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14589 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14590 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14591 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14592 sscanf(message, "hint: %c", &c)!=1 &&
14593 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14594 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14595 print = (appData.engineComments >= 2);
14597 message[0] = start; // restore original message
14601 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14602 SubtractTimeMarks(&now, &programStartTime), cps->which,
14608 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14609 if (appData.icsEngineAnalyze) {
14610 if (strstr(message, "whisper") != NULL ||
14611 strstr(message, "kibitz") != NULL ||
14612 strstr(message, "tellics") != NULL) return;
14615 HandleMachineMove(message, cps);
14620 SendTimeControl(cps, mps, tc, inc, sd, st)
14621 ChessProgramState *cps;
14622 int mps, inc, sd, st;
14628 if( timeControl_2 > 0 ) {
14629 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14630 tc = timeControl_2;
14633 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14634 inc /= cps->timeOdds;
14635 st /= cps->timeOdds;
14637 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14640 /* Set exact time per move, normally using st command */
14641 if (cps->stKludge) {
14642 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14644 if (seconds == 0) {
14645 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14647 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14650 snprintf(buf, MSG_SIZ, "st %d\n", st);
14653 /* Set conventional or incremental time control, using level command */
14654 if (seconds == 0) {
14655 /* Note old gnuchess bug -- minutes:seconds used to not work.
14656 Fixed in later versions, but still avoid :seconds
14657 when seconds is 0. */
14658 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14660 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14661 seconds, inc/1000.);
14664 SendToProgram(buf, cps);
14666 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14667 /* Orthogonally, limit search to given depth */
14669 if (cps->sdKludge) {
14670 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14672 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14674 SendToProgram(buf, cps);
14677 if(cps->nps >= 0) { /* [HGM] nps */
14678 if(cps->supportsNPS == FALSE)
14679 cps->nps = -1; // don't use if engine explicitly says not supported!
14681 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14682 SendToProgram(buf, cps);
14687 ChessProgramState *WhitePlayer()
14688 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14690 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14691 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14697 SendTimeRemaining(cps, machineWhite)
14698 ChessProgramState *cps;
14699 int /*boolean*/ machineWhite;
14701 char message[MSG_SIZ];
14704 /* Note: this routine must be called when the clocks are stopped
14705 or when they have *just* been set or switched; otherwise
14706 it will be off by the time since the current tick started.
14708 if (machineWhite) {
14709 time = whiteTimeRemaining / 10;
14710 otime = blackTimeRemaining / 10;
14712 time = blackTimeRemaining / 10;
14713 otime = whiteTimeRemaining / 10;
14715 /* [HGM] translate opponent's time by time-odds factor */
14716 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14717 if (appData.debugMode) {
14718 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14721 if (time <= 0) time = 1;
14722 if (otime <= 0) otime = 1;
14724 snprintf(message, MSG_SIZ, "time %ld\n", time);
14725 SendToProgram(message, cps);
14727 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14728 SendToProgram(message, cps);
14732 BoolFeature(p, name, loc, cps)
14736 ChessProgramState *cps;
14739 int len = strlen(name);
14742 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14744 sscanf(*p, "%d", &val);
14746 while (**p && **p != ' ')
14748 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14749 SendToProgram(buf, cps);
14756 IntFeature(p, name, loc, cps)
14760 ChessProgramState *cps;
14763 int len = strlen(name);
14764 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14766 sscanf(*p, "%d", loc);
14767 while (**p && **p != ' ') (*p)++;
14768 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14769 SendToProgram(buf, cps);
14776 StringFeature(p, name, loc, cps)
14780 ChessProgramState *cps;
14783 int len = strlen(name);
14784 if (strncmp((*p), name, len) == 0
14785 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14787 sscanf(*p, "%[^\"]", loc);
14788 while (**p && **p != '\"') (*p)++;
14789 if (**p == '\"') (*p)++;
14790 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14791 SendToProgram(buf, cps);
14798 ParseOption(Option *opt, ChessProgramState *cps)
14799 // [HGM] options: process the string that defines an engine option, and determine
14800 // name, type, default value, and allowed value range
14802 char *p, *q, buf[MSG_SIZ];
14803 int n, min = (-1)<<31, max = 1<<31, def;
14805 if(p = strstr(opt->name, " -spin ")) {
14806 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14807 if(max < min) max = min; // enforce consistency
14808 if(def < min) def = min;
14809 if(def > max) def = max;
14814 } else if((p = strstr(opt->name, " -slider "))) {
14815 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14816 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14817 if(max < min) max = min; // enforce consistency
14818 if(def < min) def = min;
14819 if(def > max) def = max;
14823 opt->type = Spin; // Slider;
14824 } else if((p = strstr(opt->name, " -string "))) {
14825 opt->textValue = p+9;
14826 opt->type = TextBox;
14827 } else if((p = strstr(opt->name, " -file "))) {
14828 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14829 opt->textValue = p+7;
14830 opt->type = FileName; // FileName;
14831 } else if((p = strstr(opt->name, " -path "))) {
14832 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14833 opt->textValue = p+7;
14834 opt->type = PathName; // PathName;
14835 } else if(p = strstr(opt->name, " -check ")) {
14836 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14837 opt->value = (def != 0);
14838 opt->type = CheckBox;
14839 } else if(p = strstr(opt->name, " -combo ")) {
14840 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14841 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14842 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14843 opt->value = n = 0;
14844 while(q = StrStr(q, " /// ")) {
14845 n++; *q = 0; // count choices, and null-terminate each of them
14847 if(*q == '*') { // remember default, which is marked with * prefix
14851 cps->comboList[cps->comboCnt++] = q;
14853 cps->comboList[cps->comboCnt++] = NULL;
14855 opt->type = ComboBox;
14856 } else if(p = strstr(opt->name, " -button")) {
14857 opt->type = Button;
14858 } else if(p = strstr(opt->name, " -save")) {
14859 opt->type = SaveButton;
14860 } else return FALSE;
14861 *p = 0; // terminate option name
14862 // now look if the command-line options define a setting for this engine option.
14863 if(cps->optionSettings && cps->optionSettings[0])
14864 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14865 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14866 snprintf(buf, MSG_SIZ, "option %s", p);
14867 if(p = strstr(buf, ",")) *p = 0;
14868 if(q = strchr(buf, '=')) switch(opt->type) {
14870 for(n=0; n<opt->max; n++)
14871 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14874 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14878 opt->value = atoi(q+1);
14883 SendToProgram(buf, cps);
14889 FeatureDone(cps, val)
14890 ChessProgramState* cps;
14893 DelayedEventCallback cb = GetDelayedEvent();
14894 if ((cb == InitBackEnd3 && cps == &first) ||
14895 (cb == SettingsMenuIfReady && cps == &second) ||
14896 (cb == LoadEngine) ||
14897 (cb == TwoMachinesEventIfReady)) {
14898 CancelDelayedEvent();
14899 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14901 cps->initDone = val;
14904 /* Parse feature command from engine */
14906 ParseFeatures(args, cps)
14908 ChessProgramState *cps;
14916 while (*p == ' ') p++;
14917 if (*p == NULLCHAR) return;
14919 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14920 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14921 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14922 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14923 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14924 if (BoolFeature(&p, "reuse", &val, cps)) {
14925 /* Engine can disable reuse, but can't enable it if user said no */
14926 if (!val) cps->reuse = FALSE;
14929 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14930 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14931 if (gameMode == TwoMachinesPlay) {
14932 DisplayTwoMachinesTitle();
14938 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14939 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14940 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14941 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14942 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14943 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14944 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14945 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14946 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14947 if (IntFeature(&p, "done", &val, cps)) {
14948 FeatureDone(cps, val);
14951 /* Added by Tord: */
14952 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14953 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14954 /* End of additions by Tord */
14956 /* [HGM] added features: */
14957 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14958 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14959 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14960 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14961 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14962 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14963 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14964 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14965 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14966 SendToProgram(buf, cps);
14969 if(cps->nrOptions >= MAX_OPTIONS) {
14971 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14972 DisplayError(buf, 0);
14976 /* End of additions by HGM */
14978 /* unknown feature: complain and skip */
14980 while (*q && *q != '=') q++;
14981 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14982 SendToProgram(buf, cps);
14988 while (*p && *p != '\"') p++;
14989 if (*p == '\"') p++;
14991 while (*p && *p != ' ') p++;
14999 PeriodicUpdatesEvent(newState)
15002 if (newState == appData.periodicUpdates)
15005 appData.periodicUpdates=newState;
15007 /* Display type changes, so update it now */
15008 // DisplayAnalysis();
15010 /* Get the ball rolling again... */
15012 AnalysisPeriodicEvent(1);
15013 StartAnalysisClock();
15018 PonderNextMoveEvent(newState)
15021 if (newState == appData.ponderNextMove) return;
15022 if (gameMode == EditPosition) EditPositionDone(TRUE);
15024 SendToProgram("hard\n", &first);
15025 if (gameMode == TwoMachinesPlay) {
15026 SendToProgram("hard\n", &second);
15029 SendToProgram("easy\n", &first);
15030 thinkOutput[0] = NULLCHAR;
15031 if (gameMode == TwoMachinesPlay) {
15032 SendToProgram("easy\n", &second);
15035 appData.ponderNextMove = newState;
15039 NewSettingEvent(option, feature, command, value)
15041 int option, value, *feature;
15045 if (gameMode == EditPosition) EditPositionDone(TRUE);
15046 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15047 if(feature == NULL || *feature) SendToProgram(buf, &first);
15048 if (gameMode == TwoMachinesPlay) {
15049 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15054 ShowThinkingEvent()
15055 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15057 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15058 int newState = appData.showThinking
15059 // [HGM] thinking: other features now need thinking output as well
15060 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15062 if (oldState == newState) return;
15063 oldState = newState;
15064 if (gameMode == EditPosition) EditPositionDone(TRUE);
15066 SendToProgram("post\n", &first);
15067 if (gameMode == TwoMachinesPlay) {
15068 SendToProgram("post\n", &second);
15071 SendToProgram("nopost\n", &first);
15072 thinkOutput[0] = NULLCHAR;
15073 if (gameMode == TwoMachinesPlay) {
15074 SendToProgram("nopost\n", &second);
15077 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15081 AskQuestionEvent(title, question, replyPrefix, which)
15082 char *title; char *question; char *replyPrefix; char *which;
15084 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15085 if (pr == NoProc) return;
15086 AskQuestion(title, question, replyPrefix, pr);
15090 TypeInEvent(char firstChar)
15092 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15093 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15094 gameMode == AnalyzeMode || gameMode == EditGame ||
15095 gameMode == EditPosition || gameMode == IcsExamining ||
15096 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15097 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15098 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15099 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15100 gameMode == Training) PopUpMoveDialog(firstChar);
15104 TypeInDoneEvent(char *move)
15107 int n, fromX, fromY, toX, toY;
15109 ChessMove moveType;
15112 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15113 EditPositionPasteFEN(move);
15116 // [HGM] movenum: allow move number to be typed in any mode
15117 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15122 if (gameMode != EditGame && currentMove != forwardMostMove &&
15123 gameMode != Training) {
15124 DisplayMoveError(_("Displayed move is not current"));
15126 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15127 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15128 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15129 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15130 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15131 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15133 DisplayMoveError(_("Could not parse move"));
15139 DisplayMove(moveNumber)
15142 char message[MSG_SIZ];
15144 char cpThinkOutput[MSG_SIZ];
15146 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15148 if (moveNumber == forwardMostMove - 1 ||
15149 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15151 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15153 if (strchr(cpThinkOutput, '\n')) {
15154 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15157 *cpThinkOutput = NULLCHAR;
15160 /* [AS] Hide thinking from human user */
15161 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15162 *cpThinkOutput = NULLCHAR;
15163 if( thinkOutput[0] != NULLCHAR ) {
15166 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15167 cpThinkOutput[i] = '.';
15169 cpThinkOutput[i] = NULLCHAR;
15170 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15174 if (moveNumber == forwardMostMove - 1 &&
15175 gameInfo.resultDetails != NULL) {
15176 if (gameInfo.resultDetails[0] == NULLCHAR) {
15177 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15179 snprintf(res, MSG_SIZ, " {%s} %s",
15180 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15186 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15187 DisplayMessage(res, cpThinkOutput);
15189 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15190 WhiteOnMove(moveNumber) ? " " : ".. ",
15191 parseList[moveNumber], res);
15192 DisplayMessage(message, cpThinkOutput);
15197 DisplayComment(moveNumber, text)
15201 char title[MSG_SIZ];
15202 char buf[8000]; // comment can be long!
15205 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15206 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15208 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15209 WhiteOnMove(moveNumber) ? " " : ".. ",
15210 parseList[moveNumber]);
15212 // [HGM] PV info: display PV info together with (or as) comment
15213 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
15214 if(text == NULL) text = "";
15215 score = pvInfoList[moveNumber].score;
15216 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
15217 depth, (pvInfoList[moveNumber].time+50)/100, text);
15220 if (text != NULL && (appData.autoDisplayComment || commentUp))
15221 CommentPopUp(title, text);
15224 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15225 * might be busy thinking or pondering. It can be omitted if your
15226 * gnuchess is configured to stop thinking immediately on any user
15227 * input. However, that gnuchess feature depends on the FIONREAD
15228 * ioctl, which does not work properly on some flavors of Unix.
15232 ChessProgramState *cps;
15235 if (!cps->useSigint) return;
15236 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15237 switch (gameMode) {
15238 case MachinePlaysWhite:
15239 case MachinePlaysBlack:
15240 case TwoMachinesPlay:
15241 case IcsPlayingWhite:
15242 case IcsPlayingBlack:
15245 /* Skip if we know it isn't thinking */
15246 if (!cps->maybeThinking) return;
15247 if (appData.debugMode)
15248 fprintf(debugFP, "Interrupting %s\n", cps->which);
15249 InterruptChildProcess(cps->pr);
15250 cps->maybeThinking = FALSE;
15255 #endif /*ATTENTION*/
15261 if (whiteTimeRemaining <= 0) {
15264 if (appData.icsActive) {
15265 if (appData.autoCallFlag &&
15266 gameMode == IcsPlayingBlack && !blackFlag) {
15267 SendToICS(ics_prefix);
15268 SendToICS("flag\n");
15272 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15274 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15275 if (appData.autoCallFlag) {
15276 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15283 if (blackTimeRemaining <= 0) {
15286 if (appData.icsActive) {
15287 if (appData.autoCallFlag &&
15288 gameMode == IcsPlayingWhite && !whiteFlag) {
15289 SendToICS(ics_prefix);
15290 SendToICS("flag\n");
15294 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15296 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15297 if (appData.autoCallFlag) {
15298 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15311 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15312 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15315 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15317 if ( !WhiteOnMove(forwardMostMove) ) {
15318 /* White made time control */
15319 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15320 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15321 /* [HGM] time odds: correct new time quota for time odds! */
15322 / WhitePlayer()->timeOdds;
15323 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15325 lastBlack -= blackTimeRemaining;
15326 /* Black made time control */
15327 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15328 / WhitePlayer()->other->timeOdds;
15329 lastWhite = whiteTimeRemaining;
15334 DisplayBothClocks()
15336 int wom = gameMode == EditPosition ?
15337 !blackPlaysFirst : WhiteOnMove(currentMove);
15338 DisplayWhiteClock(whiteTimeRemaining, wom);
15339 DisplayBlackClock(blackTimeRemaining, !wom);
15343 /* Timekeeping seems to be a portability nightmare. I think everyone
15344 has ftime(), but I'm really not sure, so I'm including some ifdefs
15345 to use other calls if you don't. Clocks will be less accurate if
15346 you have neither ftime nor gettimeofday.
15349 /* VS 2008 requires the #include outside of the function */
15350 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15351 #include <sys/timeb.h>
15354 /* Get the current time as a TimeMark */
15359 #if HAVE_GETTIMEOFDAY
15361 struct timeval timeVal;
15362 struct timezone timeZone;
15364 gettimeofday(&timeVal, &timeZone);
15365 tm->sec = (long) timeVal.tv_sec;
15366 tm->ms = (int) (timeVal.tv_usec / 1000L);
15368 #else /*!HAVE_GETTIMEOFDAY*/
15371 // include <sys/timeb.h> / moved to just above start of function
15372 struct timeb timeB;
15375 tm->sec = (long) timeB.time;
15376 tm->ms = (int) timeB.millitm;
15378 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15379 tm->sec = (long) time(NULL);
15385 /* Return the difference in milliseconds between two
15386 time marks. We assume the difference will fit in a long!
15389 SubtractTimeMarks(tm2, tm1)
15390 TimeMark *tm2, *tm1;
15392 return 1000L*(tm2->sec - tm1->sec) +
15393 (long) (tm2->ms - tm1->ms);
15398 * Code to manage the game clocks.
15400 * In tournament play, black starts the clock and then white makes a move.
15401 * We give the human user a slight advantage if he is playing white---the
15402 * clocks don't run until he makes his first move, so it takes zero time.
15403 * Also, we don't account for network lag, so we could get out of sync
15404 * with GNU Chess's clock -- but then, referees are always right.
15407 static TimeMark tickStartTM;
15408 static long intendedTickLength;
15411 NextTickLength(timeRemaining)
15412 long timeRemaining;
15414 long nominalTickLength, nextTickLength;
15416 if (timeRemaining > 0L && timeRemaining <= 10000L)
15417 nominalTickLength = 100L;
15419 nominalTickLength = 1000L;
15420 nextTickLength = timeRemaining % nominalTickLength;
15421 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15423 return nextTickLength;
15426 /* Adjust clock one minute up or down */
15428 AdjustClock(Boolean which, int dir)
15430 if(which) blackTimeRemaining += 60000*dir;
15431 else whiteTimeRemaining += 60000*dir;
15432 DisplayBothClocks();
15435 /* Stop clocks and reset to a fresh time control */
15439 (void) StopClockTimer();
15440 if (appData.icsActive) {
15441 whiteTimeRemaining = blackTimeRemaining = 0;
15442 } else if (searchTime) {
15443 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15444 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15445 } else { /* [HGM] correct new time quote for time odds */
15446 whiteTC = blackTC = fullTimeControlString;
15447 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15448 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15450 if (whiteFlag || blackFlag) {
15452 whiteFlag = blackFlag = FALSE;
15454 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15455 DisplayBothClocks();
15458 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15460 /* Decrement running clock by amount of time that has passed */
15464 long timeRemaining;
15465 long lastTickLength, fudge;
15468 if (!appData.clockMode) return;
15469 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15473 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15475 /* Fudge if we woke up a little too soon */
15476 fudge = intendedTickLength - lastTickLength;
15477 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15479 if (WhiteOnMove(forwardMostMove)) {
15480 if(whiteNPS >= 0) lastTickLength = 0;
15481 timeRemaining = whiteTimeRemaining -= lastTickLength;
15482 if(timeRemaining < 0 && !appData.icsActive) {
15483 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15484 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15485 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15486 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15489 DisplayWhiteClock(whiteTimeRemaining - fudge,
15490 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15492 if(blackNPS >= 0) lastTickLength = 0;
15493 timeRemaining = blackTimeRemaining -= lastTickLength;
15494 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15495 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15497 blackStartMove = forwardMostMove;
15498 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15501 DisplayBlackClock(blackTimeRemaining - fudge,
15502 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15504 if (CheckFlags()) return;
15507 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15508 StartClockTimer(intendedTickLength);
15510 /* if the time remaining has fallen below the alarm threshold, sound the
15511 * alarm. if the alarm has sounded and (due to a takeback or time control
15512 * with increment) the time remaining has increased to a level above the
15513 * threshold, reset the alarm so it can sound again.
15516 if (appData.icsActive && appData.icsAlarm) {
15518 /* make sure we are dealing with the user's clock */
15519 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15520 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15523 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15524 alarmSounded = FALSE;
15525 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15527 alarmSounded = TRUE;
15533 /* A player has just moved, so stop the previously running
15534 clock and (if in clock mode) start the other one.
15535 We redisplay both clocks in case we're in ICS mode, because
15536 ICS gives us an update to both clocks after every move.
15537 Note that this routine is called *after* forwardMostMove
15538 is updated, so the last fractional tick must be subtracted
15539 from the color that is *not* on move now.
15542 SwitchClocks(int newMoveNr)
15544 long lastTickLength;
15546 int flagged = FALSE;
15550 if (StopClockTimer() && appData.clockMode) {
15551 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15552 if (!WhiteOnMove(forwardMostMove)) {
15553 if(blackNPS >= 0) lastTickLength = 0;
15554 blackTimeRemaining -= lastTickLength;
15555 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15556 // if(pvInfoList[forwardMostMove].time == -1)
15557 pvInfoList[forwardMostMove].time = // use GUI time
15558 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15560 if(whiteNPS >= 0) lastTickLength = 0;
15561 whiteTimeRemaining -= lastTickLength;
15562 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15563 // if(pvInfoList[forwardMostMove].time == -1)
15564 pvInfoList[forwardMostMove].time =
15565 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15567 flagged = CheckFlags();
15569 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15570 CheckTimeControl();
15572 if (flagged || !appData.clockMode) return;
15574 switch (gameMode) {
15575 case MachinePlaysBlack:
15576 case MachinePlaysWhite:
15577 case BeginningOfGame:
15578 if (pausing) return;
15582 case PlayFromGameFile:
15590 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15591 if(WhiteOnMove(forwardMostMove))
15592 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15593 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15597 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15598 whiteTimeRemaining : blackTimeRemaining);
15599 StartClockTimer(intendedTickLength);
15603 /* Stop both clocks */
15607 long lastTickLength;
15610 if (!StopClockTimer()) return;
15611 if (!appData.clockMode) return;
15615 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15616 if (WhiteOnMove(forwardMostMove)) {
15617 if(whiteNPS >= 0) lastTickLength = 0;
15618 whiteTimeRemaining -= lastTickLength;
15619 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15621 if(blackNPS >= 0) lastTickLength = 0;
15622 blackTimeRemaining -= lastTickLength;
15623 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15628 /* Start clock of player on move. Time may have been reset, so
15629 if clock is already running, stop and restart it. */
15633 (void) StopClockTimer(); /* in case it was running already */
15634 DisplayBothClocks();
15635 if (CheckFlags()) return;
15637 if (!appData.clockMode) return;
15638 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15640 GetTimeMark(&tickStartTM);
15641 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15642 whiteTimeRemaining : blackTimeRemaining);
15644 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15645 whiteNPS = blackNPS = -1;
15646 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15647 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15648 whiteNPS = first.nps;
15649 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15650 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15651 blackNPS = first.nps;
15652 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15653 whiteNPS = second.nps;
15654 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15655 blackNPS = second.nps;
15656 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15658 StartClockTimer(intendedTickLength);
15665 long second, minute, hour, day;
15667 static char buf[32];
15669 if (ms > 0 && ms <= 9900) {
15670 /* convert milliseconds to tenths, rounding up */
15671 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15673 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15677 /* convert milliseconds to seconds, rounding up */
15678 /* use floating point to avoid strangeness of integer division
15679 with negative dividends on many machines */
15680 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15687 day = second / (60 * 60 * 24);
15688 second = second % (60 * 60 * 24);
15689 hour = second / (60 * 60);
15690 second = second % (60 * 60);
15691 minute = second / 60;
15692 second = second % 60;
15695 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15696 sign, day, hour, minute, second);
15698 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15700 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15707 * This is necessary because some C libraries aren't ANSI C compliant yet.
15710 StrStr(string, match)
15711 char *string, *match;
15715 length = strlen(match);
15717 for (i = strlen(string) - length; i >= 0; i--, string++)
15718 if (!strncmp(match, string, length))
15725 StrCaseStr(string, match)
15726 char *string, *match;
15730 length = strlen(match);
15732 for (i = strlen(string) - length; i >= 0; i--, string++) {
15733 for (j = 0; j < length; j++) {
15734 if (ToLower(match[j]) != ToLower(string[j]))
15737 if (j == length) return string;
15751 c1 = ToLower(*s1++);
15752 c2 = ToLower(*s2++);
15753 if (c1 > c2) return 1;
15754 if (c1 < c2) return -1;
15755 if (c1 == NULLCHAR) return 0;
15764 return isupper(c) ? tolower(c) : c;
15772 return islower(c) ? toupper(c) : c;
15774 #endif /* !_amigados */
15782 if ((ret = (char *) malloc(strlen(s) + 1)))
15784 safeStrCpy(ret, s, strlen(s)+1);
15790 StrSavePtr(s, savePtr)
15791 char *s, **savePtr;
15796 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15797 safeStrCpy(*savePtr, s, strlen(s)+1);
15809 clock = time((time_t *)NULL);
15810 tm = localtime(&clock);
15811 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15812 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15813 return StrSave(buf);
15818 PositionToFEN(move, overrideCastling)
15820 char *overrideCastling;
15822 int i, j, fromX, fromY, toX, toY;
15829 whiteToPlay = (gameMode == EditPosition) ?
15830 !blackPlaysFirst : (move % 2 == 0);
15833 /* Piece placement data */
15834 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15835 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
15837 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15838 if (boards[move][i][j] == EmptySquare) {
15840 } else { ChessSquare piece = boards[move][i][j];
15841 if (emptycount > 0) {
15842 if(emptycount<10) /* [HGM] can be >= 10 */
15843 *p++ = '0' + emptycount;
15844 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15847 if(PieceToChar(piece) == '+') {
15848 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15850 piece = (ChessSquare)(DEMOTED piece);
15852 *p++ = PieceToChar(piece);
15854 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15855 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15860 if (emptycount > 0) {
15861 if(emptycount<10) /* [HGM] can be >= 10 */
15862 *p++ = '0' + emptycount;
15863 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15870 /* [HGM] print Crazyhouse or Shogi holdings */
15871 if( gameInfo.holdingsWidth ) {
15872 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15874 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15875 piece = boards[move][i][BOARD_WIDTH-1];
15876 if( piece != EmptySquare )
15877 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15878 *p++ = PieceToChar(piece);
15880 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15881 piece = boards[move][BOARD_HEIGHT-i-1][0];
15882 if( piece != EmptySquare )
15883 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15884 *p++ = PieceToChar(piece);
15887 if( q == p ) *p++ = '-';
15893 *p++ = whiteToPlay ? 'w' : 'b';
15896 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15897 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15899 if(nrCastlingRights) {
15901 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15902 /* [HGM] write directly from rights */
15903 if(boards[move][CASTLING][2] != NoRights &&
15904 boards[move][CASTLING][0] != NoRights )
15905 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15906 if(boards[move][CASTLING][2] != NoRights &&
15907 boards[move][CASTLING][1] != NoRights )
15908 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15909 if(boards[move][CASTLING][5] != NoRights &&
15910 boards[move][CASTLING][3] != NoRights )
15911 *p++ = boards[move][CASTLING][3] + AAA;
15912 if(boards[move][CASTLING][5] != NoRights &&
15913 boards[move][CASTLING][4] != NoRights )
15914 *p++ = boards[move][CASTLING][4] + AAA;
15917 /* [HGM] write true castling rights */
15918 if( nrCastlingRights == 6 ) {
15919 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15920 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15921 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15922 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15923 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15924 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15925 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15926 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15929 if (q == p) *p++ = '-'; /* No castling rights */
15933 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15934 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15935 /* En passant target square */
15936 if (move > backwardMostMove) {
15937 fromX = moveList[move - 1][0] - AAA;
15938 fromY = moveList[move - 1][1] - ONE;
15939 toX = moveList[move - 1][2] - AAA;
15940 toY = moveList[move - 1][3] - ONE;
15941 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15942 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15943 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15945 /* 2-square pawn move just happened */
15947 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15951 } else if(move == backwardMostMove) {
15952 // [HGM] perhaps we should always do it like this, and forget the above?
15953 if((signed char)boards[move][EP_STATUS] >= 0) {
15954 *p++ = boards[move][EP_STATUS] + AAA;
15955 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15966 /* [HGM] find reversible plies */
15967 { int i = 0, j=move;
15969 if (appData.debugMode) { int k;
15970 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15971 for(k=backwardMostMove; k<=forwardMostMove; k++)
15972 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15976 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15977 if( j == backwardMostMove ) i += initialRulePlies;
15978 sprintf(p, "%d ", i);
15979 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15981 /* Fullmove number */
15982 sprintf(p, "%d", (move / 2) + 1);
15984 return StrSave(buf);
15988 ParseFEN(board, blackPlaysFirst, fen)
15990 int *blackPlaysFirst;
16000 /* [HGM] by default clear Crazyhouse holdings, if present */
16001 if(gameInfo.holdingsWidth) {
16002 for(i=0; i<BOARD_HEIGHT; i++) {
16003 board[i][0] = EmptySquare; /* black holdings */
16004 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16005 board[i][1] = (ChessSquare) 0; /* black counts */
16006 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16010 /* Piece placement data */
16011 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16014 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16015 if (*p == '/') p++;
16016 emptycount = gameInfo.boardWidth - j;
16017 while (emptycount--)
16018 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16020 #if(BOARD_FILES >= 10)
16021 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16022 p++; emptycount=10;
16023 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16024 while (emptycount--)
16025 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16027 } else if (isdigit(*p)) {
16028 emptycount = *p++ - '0';
16029 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16030 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16031 while (emptycount--)
16032 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16033 } else if (*p == '+' || isalpha(*p)) {
16034 if (j >= gameInfo.boardWidth) return FALSE;
16036 piece = CharToPiece(*++p);
16037 if(piece == EmptySquare) return FALSE; /* unknown piece */
16038 piece = (ChessSquare) (PROMOTED piece ); p++;
16039 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16040 } else piece = CharToPiece(*p++);
16042 if(piece==EmptySquare) return FALSE; /* unknown piece */
16043 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16044 piece = (ChessSquare) (PROMOTED piece);
16045 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16048 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16054 while (*p == '/' || *p == ' ') p++;
16056 /* [HGM] look for Crazyhouse holdings here */
16057 while(*p==' ') p++;
16058 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16060 if(*p == '-' ) p++; /* empty holdings */ else {
16061 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16062 /* if we would allow FEN reading to set board size, we would */
16063 /* have to add holdings and shift the board read so far here */
16064 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16066 if((int) piece >= (int) BlackPawn ) {
16067 i = (int)piece - (int)BlackPawn;
16068 i = PieceToNumber((ChessSquare)i);
16069 if( i >= gameInfo.holdingsSize ) return FALSE;
16070 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16071 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16073 i = (int)piece - (int)WhitePawn;
16074 i = PieceToNumber((ChessSquare)i);
16075 if( i >= gameInfo.holdingsSize ) return FALSE;
16076 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16077 board[i][BOARD_WIDTH-2]++; /* black holdings */
16084 while(*p == ' ') p++;
16088 if(appData.colorNickNames) {
16089 if( c == appData.colorNickNames[0] ) c = 'w'; else
16090 if( c == appData.colorNickNames[1] ) c = 'b';
16094 *blackPlaysFirst = FALSE;
16097 *blackPlaysFirst = TRUE;
16103 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16104 /* return the extra info in global variiables */
16106 /* set defaults in case FEN is incomplete */
16107 board[EP_STATUS] = EP_UNKNOWN;
16108 for(i=0; i<nrCastlingRights; i++ ) {
16109 board[CASTLING][i] =
16110 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16111 } /* assume possible unless obviously impossible */
16112 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16113 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16114 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16115 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16116 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16117 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16118 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16119 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16122 while(*p==' ') p++;
16123 if(nrCastlingRights) {
16124 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16125 /* castling indicator present, so default becomes no castlings */
16126 for(i=0; i<nrCastlingRights; i++ ) {
16127 board[CASTLING][i] = NoRights;
16130 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16131 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16132 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16133 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16134 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16136 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16137 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16138 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16140 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16141 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16142 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16143 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16144 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16145 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16148 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16149 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16150 board[CASTLING][2] = whiteKingFile;
16153 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16154 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16155 board[CASTLING][2] = whiteKingFile;
16158 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16159 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16160 board[CASTLING][5] = blackKingFile;
16163 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16164 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16165 board[CASTLING][5] = blackKingFile;
16168 default: /* FRC castlings */
16169 if(c >= 'a') { /* black rights */
16170 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16171 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16172 if(i == BOARD_RGHT) break;
16173 board[CASTLING][5] = i;
16175 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16176 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16178 board[CASTLING][3] = c;
16180 board[CASTLING][4] = c;
16181 } else { /* white rights */
16182 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16183 if(board[0][i] == WhiteKing) break;
16184 if(i == BOARD_RGHT) break;
16185 board[CASTLING][2] = i;
16186 c -= AAA - 'a' + 'A';
16187 if(board[0][c] >= WhiteKing) break;
16189 board[CASTLING][0] = c;
16191 board[CASTLING][1] = c;
16195 for(i=0; i<nrCastlingRights; i++)
16196 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16197 if (appData.debugMode) {
16198 fprintf(debugFP, "FEN castling rights:");
16199 for(i=0; i<nrCastlingRights; i++)
16200 fprintf(debugFP, " %d", board[CASTLING][i]);
16201 fprintf(debugFP, "\n");
16204 while(*p==' ') p++;
16207 /* read e.p. field in games that know e.p. capture */
16208 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16209 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16211 p++; board[EP_STATUS] = EP_NONE;
16213 char c = *p++ - AAA;
16215 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16216 if(*p >= '0' && *p <='9') p++;
16217 board[EP_STATUS] = c;
16222 if(sscanf(p, "%d", &i) == 1) {
16223 FENrulePlies = i; /* 50-move ply counter */
16224 /* (The move number is still ignored) */
16231 EditPositionPasteFEN(char *fen)
16234 Board initial_position;
16236 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16237 DisplayError(_("Bad FEN position in clipboard"), 0);
16240 int savedBlackPlaysFirst = blackPlaysFirst;
16241 EditPositionEvent();
16242 blackPlaysFirst = savedBlackPlaysFirst;
16243 CopyBoard(boards[0], initial_position);
16244 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16245 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16246 DisplayBothClocks();
16247 DrawPosition(FALSE, boards[currentMove]);
16252 static char cseq[12] = "\\ ";
16254 Boolean set_cont_sequence(char *new_seq)
16259 // handle bad attempts to set the sequence
16261 return 0; // acceptable error - no debug
16263 len = strlen(new_seq);
16264 ret = (len > 0) && (len < sizeof(cseq));
16266 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16267 else if (appData.debugMode)
16268 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16273 reformat a source message so words don't cross the width boundary. internal
16274 newlines are not removed. returns the wrapped size (no null character unless
16275 included in source message). If dest is NULL, only calculate the size required
16276 for the dest buffer. lp argument indicats line position upon entry, and it's
16277 passed back upon exit.
16279 int wrap(char *dest, char *src, int count, int width, int *lp)
16281 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16283 cseq_len = strlen(cseq);
16284 old_line = line = *lp;
16285 ansi = len = clen = 0;
16287 for (i=0; i < count; i++)
16289 if (src[i] == '\033')
16292 // if we hit the width, back up
16293 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16295 // store i & len in case the word is too long
16296 old_i = i, old_len = len;
16298 // find the end of the last word
16299 while (i && src[i] != ' ' && src[i] != '\n')
16305 // word too long? restore i & len before splitting it
16306 if ((old_i-i+clen) >= width)
16313 if (i && src[i-1] == ' ')
16316 if (src[i] != ' ' && src[i] != '\n')
16323 // now append the newline and continuation sequence
16328 strncpy(dest+len, cseq, cseq_len);
16336 dest[len] = src[i];
16340 if (src[i] == '\n')
16345 if (dest && appData.debugMode)
16347 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16348 count, width, line, len, *lp);
16349 show_bytes(debugFP, src, count);
16350 fprintf(debugFP, "\ndest: ");
16351 show_bytes(debugFP, dest, len);
16352 fprintf(debugFP, "\n");
16354 *lp = dest ? line : old_line;
16359 // [HGM] vari: routines for shelving variations
16362 PushInner(int firstMove, int lastMove)
16364 int i, j, nrMoves = lastMove - firstMove;
16366 // push current tail of game on stack
16367 savedResult[storedGames] = gameInfo.result;
16368 savedDetails[storedGames] = gameInfo.resultDetails;
16369 gameInfo.resultDetails = NULL;
16370 savedFirst[storedGames] = firstMove;
16371 savedLast [storedGames] = lastMove;
16372 savedFramePtr[storedGames] = framePtr;
16373 framePtr -= nrMoves; // reserve space for the boards
16374 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16375 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16376 for(j=0; j<MOVE_LEN; j++)
16377 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16378 for(j=0; j<2*MOVE_LEN; j++)
16379 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16380 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16381 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16382 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16383 pvInfoList[firstMove+i-1].depth = 0;
16384 commentList[framePtr+i] = commentList[firstMove+i];
16385 commentList[firstMove+i] = NULL;
16389 forwardMostMove = firstMove; // truncate game so we can start variation
16393 PushTail(int firstMove, int lastMove)
16395 if(appData.icsActive) { // only in local mode
16396 forwardMostMove = currentMove; // mimic old ICS behavior
16399 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16401 PushInner(firstMove, lastMove);
16402 if(storedGames == 1) GreyRevert(FALSE);
16406 PopInner(Boolean annotate)
16409 char buf[8000], moveBuf[20];
16412 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16413 nrMoves = savedLast[storedGames] - currentMove;
16416 if(!WhiteOnMove(currentMove))
16417 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16418 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16419 for(i=currentMove; i<forwardMostMove; i++) {
16421 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16422 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16423 strcat(buf, moveBuf);
16424 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16425 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16429 for(i=1; i<=nrMoves; i++) { // copy last variation back
16430 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16431 for(j=0; j<MOVE_LEN; j++)
16432 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16433 for(j=0; j<2*MOVE_LEN; j++)
16434 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16435 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16436 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16437 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16438 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16439 commentList[currentMove+i] = commentList[framePtr+i];
16440 commentList[framePtr+i] = NULL;
16442 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16443 framePtr = savedFramePtr[storedGames];
16444 gameInfo.result = savedResult[storedGames];
16445 if(gameInfo.resultDetails != NULL) {
16446 free(gameInfo.resultDetails);
16448 gameInfo.resultDetails = savedDetails[storedGames];
16449 forwardMostMove = currentMove + nrMoves;
16453 PopTail(Boolean annotate)
16455 if(appData.icsActive) return FALSE; // only in local mode
16456 if(!storedGames) return FALSE; // sanity
16457 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16459 PopInner(annotate);
16461 if(storedGames == 0) GreyRevert(TRUE);
16467 { // remove all shelved variations
16469 for(i=0; i<storedGames; i++) {
16470 if(savedDetails[i])
16471 free(savedDetails[i]);
16472 savedDetails[i] = NULL;
16474 for(i=framePtr; i<MAX_MOVES; i++) {
16475 if(commentList[i]) free(commentList[i]);
16476 commentList[i] = NULL;
16478 framePtr = MAX_MOVES-1;
16483 LoadVariation(int index, char *text)
16484 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16485 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16486 int level = 0, move;
16488 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16489 // first find outermost bracketing variation
16490 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16491 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16492 if(*p == '{') wait = '}'; else
16493 if(*p == '[') wait = ']'; else
16494 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16495 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16497 if(*p == wait) wait = NULLCHAR; // closing ]} found
16500 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16501 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16502 end[1] = NULLCHAR; // clip off comment beyond variation
16503 ToNrEvent(currentMove-1);
16504 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16505 // kludge: use ParsePV() to append variation to game
16506 move = currentMove;
16507 ParsePV(start, TRUE, TRUE);
16508 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16509 ClearPremoveHighlights();
16511 ToNrEvent(currentMove+1);