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 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4903 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4904 SendToProgram(buf, cps);
4906 else SendToProgram(moveList[moveNum], cps);
4907 /* End of additions by Tord */
4910 /* [HGM] setting up the opening has brought engine in force mode! */
4911 /* Send 'go' if we are in a mode where machine should play. */
4912 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4913 (gameMode == TwoMachinesPlay ||
4915 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4917 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4918 SendToProgram("go\n", cps);
4919 if (appData.debugMode) {
4920 fprintf(debugFP, "(extra)\n");
4923 setboardSpoiledMachineBlack = 0;
4927 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4929 int fromX, fromY, toX, toY;
4932 char user_move[MSG_SIZ];
4936 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4937 (int)moveType, fromX, fromY, toX, toY);
4938 DisplayError(user_move + strlen("say "), 0);
4940 case WhiteKingSideCastle:
4941 case BlackKingSideCastle:
4942 case WhiteQueenSideCastleWild:
4943 case BlackQueenSideCastleWild:
4945 case WhiteHSideCastleFR:
4946 case BlackHSideCastleFR:
4948 snprintf(user_move, MSG_SIZ, "o-o\n");
4950 case WhiteQueenSideCastle:
4951 case BlackQueenSideCastle:
4952 case WhiteKingSideCastleWild:
4953 case BlackKingSideCastleWild:
4955 case WhiteASideCastleFR:
4956 case BlackASideCastleFR:
4958 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4960 case WhiteNonPromotion:
4961 case BlackNonPromotion:
4962 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4964 case WhitePromotion:
4965 case BlackPromotion:
4966 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4967 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4968 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4969 PieceToChar(WhiteFerz));
4970 else if(gameInfo.variant == VariantGreat)
4971 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4972 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4973 PieceToChar(WhiteMan));
4975 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4976 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4982 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4983 ToUpper(PieceToChar((ChessSquare) fromX)),
4984 AAA + toX, ONE + toY);
4986 case IllegalMove: /* could be a variant we don't quite understand */
4987 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4989 case WhiteCapturesEnPassant:
4990 case BlackCapturesEnPassant:
4991 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4992 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4995 SendToICS(user_move);
4996 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4997 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5002 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5003 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5004 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5005 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5006 DisplayError("You cannot do this while you are playing or observing", 0);
5009 if(gameMode != IcsExamining) { // is this ever not the case?
5010 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5012 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5013 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5014 } else { // on FICS we must first go to general examine mode
5015 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5017 if(gameInfo.variant != VariantNormal) {
5018 // try figure out wild number, as xboard names are not always valid on ICS
5019 for(i=1; i<=36; i++) {
5020 snprintf(buf, MSG_SIZ, "wild/%d", i);
5021 if(StringToVariant(buf) == gameInfo.variant) break;
5023 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5024 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5025 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5026 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5027 SendToICS(ics_prefix);
5029 if(startedFromSetupPosition || backwardMostMove != 0) {
5030 fen = PositionToFEN(backwardMostMove, NULL);
5031 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5032 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5034 } else { // FICS: everything has to set by separate bsetup commands
5035 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5036 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5038 if(!WhiteOnMove(backwardMostMove)) {
5039 SendToICS("bsetup tomove black\n");
5041 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5042 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5044 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5045 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5047 i = boards[backwardMostMove][EP_STATUS];
5048 if(i >= 0) { // set e.p.
5049 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5055 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5056 SendToICS("bsetup done\n"); // switch to normal examining.
5058 for(i = backwardMostMove; i<last; i++) {
5060 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5063 SendToICS(ics_prefix);
5064 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5068 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5073 if (rf == DROP_RANK) {
5074 sprintf(move, "%c@%c%c\n",
5075 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5077 if (promoChar == 'x' || promoChar == NULLCHAR) {
5078 sprintf(move, "%c%c%c%c\n",
5079 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5081 sprintf(move, "%c%c%c%c%c\n",
5082 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5088 ProcessICSInitScript(f)
5093 while (fgets(buf, MSG_SIZ, f)) {
5094 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5101 static int lastX, lastY, selectFlag, dragging;
5106 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5107 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5108 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5109 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5110 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5111 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5114 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5115 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5116 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5117 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5119 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5120 appData.testLegality && (promoSweep == king ||
5121 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5122 ChangeDragPiece(promoSweep);
5125 int PromoScroll(int x, int y)
5129 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5130 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5131 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5132 if(!step) return FALSE;
5133 lastX = x; lastY = y;
5134 if((promoSweep < BlackPawn) == flipView) step = -step;
5135 if(step > 0) selectFlag = 1;
5136 if(!selectFlag) Sweep(step);
5143 ChessSquare piece = boards[currentMove][toY][toX];
5146 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5147 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5148 if(!step) step = -1;
5149 } while(PieceToChar(pieceSweep) == '.');
5150 boards[currentMove][toY][toX] = pieceSweep;
5151 DrawPosition(FALSE, boards[currentMove]);
5152 boards[currentMove][toY][toX] = piece;
5154 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5156 AlphaRank(char *move, int n)
5158 // char *p = move, c; int x, y;
5160 if (appData.debugMode) {
5161 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5165 move[2]>='0' && move[2]<='9' &&
5166 move[3]>='a' && move[3]<='x' ) {
5168 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5169 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5171 if(move[0]>='0' && move[0]<='9' &&
5172 move[1]>='a' && move[1]<='x' &&
5173 move[2]>='0' && move[2]<='9' &&
5174 move[3]>='a' && move[3]<='x' ) {
5175 /* input move, Shogi -> normal */
5176 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5177 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5178 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5179 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5182 move[3]>='0' && move[3]<='9' &&
5183 move[2]>='a' && move[2]<='x' ) {
5185 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5186 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5189 move[0]>='a' && move[0]<='x' &&
5190 move[3]>='0' && move[3]<='9' &&
5191 move[2]>='a' && move[2]<='x' ) {
5192 /* output move, normal -> Shogi */
5193 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5194 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5195 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5196 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5197 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5199 if (appData.debugMode) {
5200 fprintf(debugFP, " out = '%s'\n", move);
5204 char yy_textstr[8000];
5206 /* Parser for moves from gnuchess, ICS, or user typein box */
5208 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5211 ChessMove *moveType;
5212 int *fromX, *fromY, *toX, *toY;
5215 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5217 switch (*moveType) {
5218 case WhitePromotion:
5219 case BlackPromotion:
5220 case WhiteNonPromotion:
5221 case BlackNonPromotion:
5223 case WhiteCapturesEnPassant:
5224 case BlackCapturesEnPassant:
5225 case WhiteKingSideCastle:
5226 case WhiteQueenSideCastle:
5227 case BlackKingSideCastle:
5228 case BlackQueenSideCastle:
5229 case WhiteKingSideCastleWild:
5230 case WhiteQueenSideCastleWild:
5231 case BlackKingSideCastleWild:
5232 case BlackQueenSideCastleWild:
5233 /* Code added by Tord: */
5234 case WhiteHSideCastleFR:
5235 case WhiteASideCastleFR:
5236 case BlackHSideCastleFR:
5237 case BlackASideCastleFR:
5238 /* End of code added by Tord */
5239 case IllegalMove: /* bug or odd chess variant */
5240 *fromX = currentMoveString[0] - AAA;
5241 *fromY = currentMoveString[1] - ONE;
5242 *toX = currentMoveString[2] - AAA;
5243 *toY = currentMoveString[3] - ONE;
5244 *promoChar = currentMoveString[4];
5245 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5246 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5247 if (appData.debugMode) {
5248 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5250 *fromX = *fromY = *toX = *toY = 0;
5253 if (appData.testLegality) {
5254 return (*moveType != IllegalMove);
5256 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5257 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5262 *fromX = *moveType == WhiteDrop ?
5263 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5264 (int) CharToPiece(ToLower(currentMoveString[0]));
5266 *toX = currentMoveString[2] - AAA;
5267 *toY = currentMoveString[3] - ONE;
5268 *promoChar = NULLCHAR;
5272 case ImpossibleMove:
5282 if (appData.debugMode) {
5283 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5286 *fromX = *fromY = *toX = *toY = 0;
5287 *promoChar = NULLCHAR;
5292 Boolean pushed = FALSE;
5293 char *lastParseAttempt;
5296 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5297 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5298 int fromX, fromY, toX, toY; char promoChar;
5303 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5304 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5307 endPV = forwardMostMove;
5309 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5310 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5311 lastParseAttempt = pv;
5312 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5313 if(appData.debugMode){
5314 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);
5316 if(!valid && nr == 0 &&
5317 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5318 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5319 // Hande case where played move is different from leading PV move
5320 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5321 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5322 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5323 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5324 endPV += 2; // if position different, keep this
5325 moveList[endPV-1][0] = fromX + AAA;
5326 moveList[endPV-1][1] = fromY + ONE;
5327 moveList[endPV-1][2] = toX + AAA;
5328 moveList[endPV-1][3] = toY + ONE;
5329 parseList[endPV-1][0] = NULLCHAR;
5330 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5333 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5334 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5335 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5336 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5337 valid++; // allow comments in PV
5341 if(endPV+1 > framePtr) break; // no space, truncate
5344 CopyBoard(boards[endPV], boards[endPV-1]);
5345 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5346 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5347 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5348 CoordsToAlgebraic(boards[endPV - 1],
5349 PosFlags(endPV - 1),
5350 fromY, fromX, toY, toX, promoChar,
5351 parseList[endPV - 1]);
5353 if(atEnd == 2) return; // used hidden, for PV conversion
5354 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5355 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5356 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5357 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5358 DrawPosition(TRUE, boards[currentMove]);
5362 MultiPV(ChessProgramState *cps)
5363 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5365 for(i=0; i<cps->nrOptions; i++)
5366 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5372 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5374 int startPV, multi, lineStart, origIndex = index;
5375 char *p, buf2[MSG_SIZ];
5377 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5378 lastX = x; lastY = y;
5379 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5380 lineStart = startPV = index;
5381 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5382 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5384 do{ while(buf[index] && buf[index] != '\n') index++;
5385 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5387 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5388 int n = first.option[multi].value;
5389 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5390 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5391 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5392 first.option[multi].value = n;
5396 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5397 *start = startPV; *end = index-1;
5404 static char buf[10*MSG_SIZ];
5405 int i, k=0, savedEnd=endPV;
5407 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5408 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5409 for(i = forwardMostMove; i<endPV; i++){
5410 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5411 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5414 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5415 if(forwardMostMove < savedEnd) PopInner(0);
5421 LoadPV(int x, int y)
5422 { // called on right mouse click to load PV
5423 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5424 lastX = x; lastY = y;
5425 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5432 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5433 if(endPV < 0) return;
5435 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5436 Boolean saveAnimate = appData.animate;
5438 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5439 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5440 } else storedGames--; // abandon shelved tail of original game
5443 forwardMostMove = currentMove;
5444 currentMove = oldFMM;
5445 appData.animate = FALSE;
5446 ToNrEvent(forwardMostMove);
5447 appData.animate = saveAnimate;
5449 currentMove = forwardMostMove;
5450 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5451 ClearPremoveHighlights();
5452 DrawPosition(TRUE, boards[currentMove]);
5456 MovePV(int x, int y, int h)
5457 { // step through PV based on mouse coordinates (called on mouse move)
5458 int margin = h>>3, step = 0;
5460 // we must somehow check if right button is still down (might be released off board!)
5461 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5462 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5463 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5465 lastX = x; lastY = y;
5467 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5468 if(endPV < 0) return;
5469 if(y < margin) step = 1; else
5470 if(y > h - margin) step = -1;
5471 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5472 currentMove += step;
5473 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5474 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5475 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5476 DrawPosition(FALSE, boards[currentMove]);
5480 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5481 // All positions will have equal probability, but the current method will not provide a unique
5482 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5488 int piecesLeft[(int)BlackPawn];
5489 int seed, nrOfShuffles;
5491 void GetPositionNumber()
5492 { // sets global variable seed
5495 seed = appData.defaultFrcPosition;
5496 if(seed < 0) { // randomize based on time for negative FRC position numbers
5497 for(i=0; i<50; i++) seed += random();
5498 seed = random() ^ random() >> 8 ^ random() << 8;
5499 if(seed<0) seed = -seed;
5503 int put(Board board, int pieceType, int rank, int n, int shade)
5504 // put the piece on the (n-1)-th empty squares of the given shade
5508 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5509 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5510 board[rank][i] = (ChessSquare) pieceType;
5511 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5513 piecesLeft[pieceType]--;
5521 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5522 // calculate where the next piece goes, (any empty square), and put it there
5526 i = seed % squaresLeft[shade];
5527 nrOfShuffles *= squaresLeft[shade];
5528 seed /= squaresLeft[shade];
5529 put(board, pieceType, rank, i, shade);
5532 void AddTwoPieces(Board board, int pieceType, int rank)
5533 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5535 int i, n=squaresLeft[ANY], j=n-1, k;
5537 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5538 i = seed % k; // pick one
5541 while(i >= j) i -= j--;
5542 j = n - 1 - j; i += j;
5543 put(board, pieceType, rank, j, ANY);
5544 put(board, pieceType, rank, i, ANY);
5547 void SetUpShuffle(Board board, int number)
5551 GetPositionNumber(); nrOfShuffles = 1;
5553 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5554 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5555 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5557 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5559 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5560 p = (int) board[0][i];
5561 if(p < (int) BlackPawn) piecesLeft[p] ++;
5562 board[0][i] = EmptySquare;
5565 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5566 // shuffles restricted to allow normal castling put KRR first
5567 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5568 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5569 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5570 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5571 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5572 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5573 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5574 put(board, WhiteRook, 0, 0, ANY);
5575 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5578 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5579 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5580 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5581 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5582 while(piecesLeft[p] >= 2) {
5583 AddOnePiece(board, p, 0, LITE);
5584 AddOnePiece(board, p, 0, DARK);
5586 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5589 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5590 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5591 // but we leave King and Rooks for last, to possibly obey FRC restriction
5592 if(p == (int)WhiteRook) continue;
5593 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5594 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5597 // now everything is placed, except perhaps King (Unicorn) and Rooks
5599 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5600 // Last King gets castling rights
5601 while(piecesLeft[(int)WhiteUnicorn]) {
5602 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5603 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5606 while(piecesLeft[(int)WhiteKing]) {
5607 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5608 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5613 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5614 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5617 // Only Rooks can be left; simply place them all
5618 while(piecesLeft[(int)WhiteRook]) {
5619 i = put(board, WhiteRook, 0, 0, ANY);
5620 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5623 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5625 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5628 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5629 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5632 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5635 int SetCharTable( char *table, const char * map )
5636 /* [HGM] moved here from winboard.c because of its general usefulness */
5637 /* Basically a safe strcpy that uses the last character as King */
5639 int result = FALSE; int NrPieces;
5641 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5642 && NrPieces >= 12 && !(NrPieces&1)) {
5643 int i; /* [HGM] Accept even length from 12 to 34 */
5645 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5646 for( i=0; i<NrPieces/2-1; i++ ) {
5648 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5650 table[(int) WhiteKing] = map[NrPieces/2-1];
5651 table[(int) BlackKing] = map[NrPieces-1];
5659 void Prelude(Board board)
5660 { // [HGM] superchess: random selection of exo-pieces
5661 int i, j, k; ChessSquare p;
5662 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5664 GetPositionNumber(); // use FRC position number
5666 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5667 SetCharTable(pieceToChar, appData.pieceToCharTable);
5668 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5669 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5672 j = seed%4; seed /= 4;
5673 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5674 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5675 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5676 j = seed%3 + (seed%3 >= j); seed /= 3;
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;
5681 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = 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%2 + (seed%2 >= j); seed /= 2;
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%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5689 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5690 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5691 put(board, exoPieces[0], 0, 0, ANY);
5692 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5696 InitPosition(redraw)
5699 ChessSquare (* pieces)[BOARD_FILES];
5700 int i, j, pawnRow, overrule,
5701 oldx = gameInfo.boardWidth,
5702 oldy = gameInfo.boardHeight,
5703 oldh = gameInfo.holdingsWidth;
5706 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5708 /* [AS] Initialize pv info list [HGM] and game status */
5710 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5711 pvInfoList[i].depth = 0;
5712 boards[i][EP_STATUS] = EP_NONE;
5713 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5716 initialRulePlies = 0; /* 50-move counter start */
5718 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5719 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5723 /* [HGM] logic here is completely changed. In stead of full positions */
5724 /* the initialized data only consist of the two backranks. The switch */
5725 /* selects which one we will use, which is than copied to the Board */
5726 /* initialPosition, which for the rest is initialized by Pawns and */
5727 /* empty squares. This initial position is then copied to boards[0], */
5728 /* possibly after shuffling, so that it remains available. */
5730 gameInfo.holdingsWidth = 0; /* default board sizes */
5731 gameInfo.boardWidth = 8;
5732 gameInfo.boardHeight = 8;
5733 gameInfo.holdingsSize = 0;
5734 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5735 for(i=0; i<BOARD_FILES-2; i++)
5736 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5737 initialPosition[EP_STATUS] = EP_NONE;
5738 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5739 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5740 SetCharTable(pieceNickName, appData.pieceNickNames);
5741 else SetCharTable(pieceNickName, "............");
5744 switch (gameInfo.variant) {
5745 case VariantFischeRandom:
5746 shuffleOpenings = TRUE;
5749 case VariantShatranj:
5750 pieces = ShatranjArray;
5751 nrCastlingRights = 0;
5752 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5755 pieces = makrukArray;
5756 nrCastlingRights = 0;
5757 startedFromSetupPosition = TRUE;
5758 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5760 case VariantTwoKings:
5761 pieces = twoKingsArray;
5764 pieces = GrandArray;
5765 nrCastlingRights = 0;
5766 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5767 gameInfo.boardWidth = 10;
5768 gameInfo.boardHeight = 10;
5769 gameInfo.holdingsSize = 7;
5771 case VariantCapaRandom:
5772 shuffleOpenings = TRUE;
5773 case VariantCapablanca:
5774 pieces = CapablancaArray;
5775 gameInfo.boardWidth = 10;
5776 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5779 pieces = GothicArray;
5780 gameInfo.boardWidth = 10;
5781 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5784 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5785 gameInfo.holdingsSize = 7;
5788 pieces = JanusArray;
5789 gameInfo.boardWidth = 10;
5790 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5791 nrCastlingRights = 6;
5792 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5793 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5794 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5795 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5796 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5797 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5800 pieces = FalconArray;
5801 gameInfo.boardWidth = 10;
5802 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5804 case VariantXiangqi:
5805 pieces = XiangqiArray;
5806 gameInfo.boardWidth = 9;
5807 gameInfo.boardHeight = 10;
5808 nrCastlingRights = 0;
5809 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5812 pieces = ShogiArray;
5813 gameInfo.boardWidth = 9;
5814 gameInfo.boardHeight = 9;
5815 gameInfo.holdingsSize = 7;
5816 nrCastlingRights = 0;
5817 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5819 case VariantCourier:
5820 pieces = CourierArray;
5821 gameInfo.boardWidth = 12;
5822 nrCastlingRights = 0;
5823 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5825 case VariantKnightmate:
5826 pieces = KnightmateArray;
5827 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5829 case VariantSpartan:
5830 pieces = SpartanArray;
5831 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5834 pieces = fairyArray;
5835 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5838 pieces = GreatArray;
5839 gameInfo.boardWidth = 10;
5840 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5841 gameInfo.holdingsSize = 8;
5845 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5846 gameInfo.holdingsSize = 8;
5847 startedFromSetupPosition = TRUE;
5849 case VariantCrazyhouse:
5850 case VariantBughouse:
5852 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5853 gameInfo.holdingsSize = 5;
5855 case VariantWildCastle:
5857 /* !!?shuffle with kings guaranteed to be on d or e file */
5858 shuffleOpenings = 1;
5860 case VariantNoCastle:
5862 nrCastlingRights = 0;
5863 /* !!?unconstrained back-rank shuffle */
5864 shuffleOpenings = 1;
5869 if(appData.NrFiles >= 0) {
5870 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5871 gameInfo.boardWidth = appData.NrFiles;
5873 if(appData.NrRanks >= 0) {
5874 gameInfo.boardHeight = appData.NrRanks;
5876 if(appData.holdingsSize >= 0) {
5877 i = appData.holdingsSize;
5878 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5879 gameInfo.holdingsSize = i;
5881 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5882 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5883 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5885 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5886 if(pawnRow < 1) pawnRow = 1;
5887 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5889 /* User pieceToChar list overrules defaults */
5890 if(appData.pieceToCharTable != NULL)
5891 SetCharTable(pieceToChar, appData.pieceToCharTable);
5893 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5895 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5896 s = (ChessSquare) 0; /* account holding counts in guard band */
5897 for( i=0; i<BOARD_HEIGHT; i++ )
5898 initialPosition[i][j] = s;
5900 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5901 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5902 initialPosition[pawnRow][j] = WhitePawn;
5903 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5904 if(gameInfo.variant == VariantXiangqi) {
5906 initialPosition[pawnRow][j] =
5907 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5908 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5909 initialPosition[2][j] = WhiteCannon;
5910 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5914 if(gameInfo.variant == VariantGrand) {
5915 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5916 initialPosition[0][j] = WhiteRook;
5917 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5920 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5922 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5925 initialPosition[1][j] = WhiteBishop;
5926 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5928 initialPosition[1][j] = WhiteRook;
5929 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5932 if( nrCastlingRights == -1) {
5933 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5934 /* This sets default castling rights from none to normal corners */
5935 /* Variants with other castling rights must set them themselves above */
5936 nrCastlingRights = 6;
5938 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5939 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5940 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5941 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5942 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5943 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5946 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5947 if(gameInfo.variant == VariantGreat) { // promotion commoners
5948 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5949 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5950 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5951 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5953 if( gameInfo.variant == VariantSChess ) {
5954 initialPosition[1][0] = BlackMarshall;
5955 initialPosition[2][0] = BlackAngel;
5956 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5957 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5958 initialPosition[1][1] = initialPosition[2][1] =
5959 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5961 if (appData.debugMode) {
5962 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5964 if(shuffleOpenings) {
5965 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5966 startedFromSetupPosition = TRUE;
5968 if(startedFromPositionFile) {
5969 /* [HGM] loadPos: use PositionFile for every new game */
5970 CopyBoard(initialPosition, filePosition);
5971 for(i=0; i<nrCastlingRights; i++)
5972 initialRights[i] = filePosition[CASTLING][i];
5973 startedFromSetupPosition = TRUE;
5976 CopyBoard(boards[0], initialPosition);
5978 if(oldx != gameInfo.boardWidth ||
5979 oldy != gameInfo.boardHeight ||
5980 oldv != gameInfo.variant ||
5981 oldh != gameInfo.holdingsWidth
5983 InitDrawingSizes(-2 ,0);
5985 oldv = gameInfo.variant;
5987 DrawPosition(TRUE, boards[currentMove]);
5991 SendBoard(cps, moveNum)
5992 ChessProgramState *cps;
5995 char message[MSG_SIZ];
5997 if (cps->useSetboard) {
5998 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5999 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6000 SendToProgram(message, cps);
6006 /* Kludge to set black to move, avoiding the troublesome and now
6007 * deprecated "black" command.
6009 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6010 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6012 SendToProgram("edit\n", cps);
6013 SendToProgram("#\n", cps);
6014 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6015 bp = &boards[moveNum][i][BOARD_LEFT];
6016 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6017 if ((int) *bp < (int) BlackPawn) {
6018 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6020 if(message[0] == '+' || message[0] == '~') {
6021 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6022 PieceToChar((ChessSquare)(DEMOTED *bp)),
6025 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6026 message[1] = BOARD_RGHT - 1 - j + '1';
6027 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6029 SendToProgram(message, cps);
6034 SendToProgram("c\n", cps);
6035 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6036 bp = &boards[moveNum][i][BOARD_LEFT];
6037 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6038 if (((int) *bp != (int) EmptySquare)
6039 && ((int) *bp >= (int) BlackPawn)) {
6040 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6042 if(message[0] == '+' || message[0] == '~') {
6043 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6044 PieceToChar((ChessSquare)(DEMOTED *bp)),
6047 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6048 message[1] = BOARD_RGHT - 1 - j + '1';
6049 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6051 SendToProgram(message, cps);
6056 SendToProgram(".\n", cps);
6058 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6062 DefaultPromoChoice(int white)
6065 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6066 result = WhiteFerz; // no choice
6067 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6068 result= WhiteKing; // in Suicide Q is the last thing we want
6069 else if(gameInfo.variant == VariantSpartan)
6070 result = white ? WhiteQueen : WhiteAngel;
6071 else result = WhiteQueen;
6072 if(!white) result = WHITE_TO_BLACK result;
6076 static int autoQueen; // [HGM] oneclick
6079 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
6081 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6082 /* [HGM] add Shogi promotions */
6083 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6088 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6089 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6091 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6092 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6095 piece = boards[currentMove][fromY][fromX];
6096 if(gameInfo.variant == VariantShogi) {
6097 promotionZoneSize = BOARD_HEIGHT/3;
6098 highestPromotingPiece = (int)WhiteFerz;
6099 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6100 promotionZoneSize = 3;
6103 // Treat Lance as Pawn when it is not representing Amazon
6104 if(gameInfo.variant != VariantSuper) {
6105 if(piece == WhiteLance) piece = WhitePawn; else
6106 if(piece == BlackLance) piece = BlackPawn;
6109 // next weed out all moves that do not touch the promotion zone at all
6110 if((int)piece >= BlackPawn) {
6111 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6113 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6115 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6116 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6119 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6121 // weed out mandatory Shogi promotions
6122 if(gameInfo.variant == VariantShogi) {
6123 if(piece >= BlackPawn) {
6124 if(toY == 0 && piece == BlackPawn ||
6125 toY == 0 && piece == BlackQueen ||
6126 toY <= 1 && piece == BlackKnight) {
6131 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6132 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6133 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6140 // weed out obviously illegal Pawn moves
6141 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6142 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6143 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6144 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6145 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6146 // note we are not allowed to test for valid (non-)capture, due to premove
6149 // we either have a choice what to promote to, or (in Shogi) whether to promote
6150 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6151 *promoChoice = PieceToChar(BlackFerz); // no choice
6154 // no sense asking what we must promote to if it is going to explode...
6155 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6156 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6159 // give caller the default choice even if we will not make it
6160 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6161 if(gameInfo.variant == VariantShogi) *promoChoice = '+';
6162 if(appData.sweepSelect && gameInfo.variant != VariantGreat
6163 && gameInfo.variant != VariantShogi
6164 && gameInfo.variant != VariantSuper) return FALSE;
6165 if(autoQueen) return FALSE; // predetermined
6167 // suppress promotion popup on illegal moves that are not premoves
6168 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6169 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6170 if(appData.testLegality && !premove) {
6171 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6172 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6173 if(moveType != WhitePromotion && moveType != BlackPromotion)
6181 InPalace(row, column)
6183 { /* [HGM] for Xiangqi */
6184 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6185 column < (BOARD_WIDTH + 4)/2 &&
6186 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6191 PieceForSquare (x, y)
6195 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6198 return boards[currentMove][y][x];
6202 OKToStartUserMove(x, y)
6205 ChessSquare from_piece;
6208 if (matchMode) return FALSE;
6209 if (gameMode == EditPosition) return TRUE;
6211 if (x >= 0 && y >= 0)
6212 from_piece = boards[currentMove][y][x];
6214 from_piece = EmptySquare;
6216 if (from_piece == EmptySquare) return FALSE;
6218 white_piece = (int)from_piece >= (int)WhitePawn &&
6219 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6222 case PlayFromGameFile:
6224 case TwoMachinesPlay:
6232 case MachinePlaysWhite:
6233 case IcsPlayingBlack:
6234 if (appData.zippyPlay) return FALSE;
6236 DisplayMoveError(_("You are playing Black"));
6241 case MachinePlaysBlack:
6242 case IcsPlayingWhite:
6243 if (appData.zippyPlay) return FALSE;
6245 DisplayMoveError(_("You are playing White"));
6251 if (!white_piece && WhiteOnMove(currentMove)) {
6252 DisplayMoveError(_("It is White's turn"));
6255 if (white_piece && !WhiteOnMove(currentMove)) {
6256 DisplayMoveError(_("It is Black's turn"));
6259 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6260 /* Editing correspondence game history */
6261 /* Could disallow this or prompt for confirmation */
6266 case BeginningOfGame:
6267 if (appData.icsActive) return FALSE;
6268 if (!appData.noChessProgram) {
6270 DisplayMoveError(_("You are playing White"));
6277 if (!white_piece && WhiteOnMove(currentMove)) {
6278 DisplayMoveError(_("It is White's turn"));
6281 if (white_piece && !WhiteOnMove(currentMove)) {
6282 DisplayMoveError(_("It is Black's turn"));
6291 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6292 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6293 && gameMode != AnalyzeFile && gameMode != Training) {
6294 DisplayMoveError(_("Displayed position is not current"));
6301 OnlyMove(int *x, int *y, Boolean captures) {
6302 DisambiguateClosure cl;
6303 if (appData.zippyPlay) return FALSE;
6305 case MachinePlaysBlack:
6306 case IcsPlayingWhite:
6307 case BeginningOfGame:
6308 if(!WhiteOnMove(currentMove)) return FALSE;
6310 case MachinePlaysWhite:
6311 case IcsPlayingBlack:
6312 if(WhiteOnMove(currentMove)) return FALSE;
6319 cl.pieceIn = EmptySquare;
6324 cl.promoCharIn = NULLCHAR;
6325 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6326 if( cl.kind == NormalMove ||
6327 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6328 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6329 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6336 if(cl.kind != ImpossibleMove) return FALSE;
6337 cl.pieceIn = EmptySquare;
6342 cl.promoCharIn = NULLCHAR;
6343 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6344 if( cl.kind == NormalMove ||
6345 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6346 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6347 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6352 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6358 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6359 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6360 int lastLoadGameUseList = FALSE;
6361 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6362 ChessMove lastLoadGameStart = EndOfFile;
6365 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6366 int fromX, fromY, toX, toY;
6370 ChessSquare pdown, pup;
6372 /* Check if the user is playing in turn. This is complicated because we
6373 let the user "pick up" a piece before it is his turn. So the piece he
6374 tried to pick up may have been captured by the time he puts it down!
6375 Therefore we use the color the user is supposed to be playing in this
6376 test, not the color of the piece that is currently on the starting
6377 square---except in EditGame mode, where the user is playing both
6378 sides; fortunately there the capture race can't happen. (It can
6379 now happen in IcsExamining mode, but that's just too bad. The user
6380 will get a somewhat confusing message in that case.)
6384 case PlayFromGameFile:
6386 case TwoMachinesPlay:
6390 /* We switched into a game mode where moves are not accepted,
6391 perhaps while the mouse button was down. */
6394 case MachinePlaysWhite:
6395 /* User is moving for Black */
6396 if (WhiteOnMove(currentMove)) {
6397 DisplayMoveError(_("It is White's turn"));
6402 case MachinePlaysBlack:
6403 /* User is moving for White */
6404 if (!WhiteOnMove(currentMove)) {
6405 DisplayMoveError(_("It is Black's turn"));
6412 case BeginningOfGame:
6415 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6416 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6417 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6418 /* User is moving for Black */
6419 if (WhiteOnMove(currentMove)) {
6420 DisplayMoveError(_("It is White's turn"));
6424 /* User is moving for White */
6425 if (!WhiteOnMove(currentMove)) {
6426 DisplayMoveError(_("It is Black's turn"));
6432 case IcsPlayingBlack:
6433 /* User is moving for Black */
6434 if (WhiteOnMove(currentMove)) {
6435 if (!appData.premove) {
6436 DisplayMoveError(_("It is White's turn"));
6437 } else if (toX >= 0 && toY >= 0) {
6440 premoveFromX = fromX;
6441 premoveFromY = fromY;
6442 premovePromoChar = promoChar;
6444 if (appData.debugMode)
6445 fprintf(debugFP, "Got premove: fromX %d,"
6446 "fromY %d, toX %d, toY %d\n",
6447 fromX, fromY, toX, toY);
6453 case IcsPlayingWhite:
6454 /* User is moving for White */
6455 if (!WhiteOnMove(currentMove)) {
6456 if (!appData.premove) {
6457 DisplayMoveError(_("It is Black's turn"));
6458 } else if (toX >= 0 && toY >= 0) {
6461 premoveFromX = fromX;
6462 premoveFromY = fromY;
6463 premovePromoChar = promoChar;
6465 if (appData.debugMode)
6466 fprintf(debugFP, "Got premove: fromX %d,"
6467 "fromY %d, toX %d, toY %d\n",
6468 fromX, fromY, toX, toY);
6478 /* EditPosition, empty square, or different color piece;
6479 click-click move is possible */
6480 if (toX == -2 || toY == -2) {
6481 boards[0][fromY][fromX] = EmptySquare;
6482 DrawPosition(FALSE, boards[currentMove]);
6484 } else if (toX >= 0 && toY >= 0) {
6485 boards[0][toY][toX] = boards[0][fromY][fromX];
6486 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6487 if(boards[0][fromY][0] != EmptySquare) {
6488 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6489 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6492 if(fromX == BOARD_RGHT+1) {
6493 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6494 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6495 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6498 boards[0][fromY][fromX] = EmptySquare;
6499 DrawPosition(FALSE, boards[currentMove]);
6505 if(toX < 0 || toY < 0) return;
6506 pdown = boards[currentMove][fromY][fromX];
6507 pup = boards[currentMove][toY][toX];
6509 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6510 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6511 if( pup != EmptySquare ) return;
6512 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6513 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6514 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6515 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6516 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6517 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6518 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6522 /* [HGM] always test for legality, to get promotion info */
6523 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6524 fromY, fromX, toY, toX, promoChar);
6525 /* [HGM] but possibly ignore an IllegalMove result */
6526 if (appData.testLegality) {
6527 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6528 DisplayMoveError(_("Illegal move"));
6533 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6536 /* Common tail of UserMoveEvent and DropMenuEvent */
6538 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6540 int fromX, fromY, toX, toY;
6541 /*char*/int promoChar;
6545 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6546 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6547 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6548 if(WhiteOnMove(currentMove)) {
6549 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6551 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6555 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6556 move type in caller when we know the move is a legal promotion */
6557 if(moveType == NormalMove && promoChar)
6558 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6560 /* [HGM] <popupFix> The following if has been moved here from
6561 UserMoveEvent(). Because it seemed to belong here (why not allow
6562 piece drops in training games?), and because it can only be
6563 performed after it is known to what we promote. */
6564 if (gameMode == Training) {
6565 /* compare the move played on the board to the next move in the
6566 * game. If they match, display the move and the opponent's response.
6567 * If they don't match, display an error message.
6571 CopyBoard(testBoard, boards[currentMove]);
6572 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6574 if (CompareBoards(testBoard, boards[currentMove+1])) {
6575 ForwardInner(currentMove+1);
6577 /* Autoplay the opponent's response.
6578 * if appData.animate was TRUE when Training mode was entered,
6579 * the response will be animated.
6581 saveAnimate = appData.animate;
6582 appData.animate = animateTraining;
6583 ForwardInner(currentMove+1);
6584 appData.animate = saveAnimate;
6586 /* check for the end of the game */
6587 if (currentMove >= forwardMostMove) {
6588 gameMode = PlayFromGameFile;
6590 SetTrainingModeOff();
6591 DisplayInformation(_("End of game"));
6594 DisplayError(_("Incorrect move"), 0);
6599 /* Ok, now we know that the move is good, so we can kill
6600 the previous line in Analysis Mode */
6601 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6602 && currentMove < forwardMostMove) {
6603 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6604 else forwardMostMove = currentMove;
6607 /* If we need the chess program but it's dead, restart it */
6608 ResurrectChessProgram();
6610 /* A user move restarts a paused game*/
6614 thinkOutput[0] = NULLCHAR;
6616 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6618 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6619 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6623 if (gameMode == BeginningOfGame) {
6624 if (appData.noChessProgram) {
6625 gameMode = EditGame;
6629 gameMode = MachinePlaysBlack;
6632 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6634 if (first.sendName) {
6635 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6636 SendToProgram(buf, &first);
6643 /* Relay move to ICS or chess engine */
6644 if (appData.icsActive) {
6645 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6646 gameMode == IcsExamining) {
6647 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6648 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6650 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6652 // also send plain move, in case ICS does not understand atomic claims
6653 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6657 if (first.sendTime && (gameMode == BeginningOfGame ||
6658 gameMode == MachinePlaysWhite ||
6659 gameMode == MachinePlaysBlack)) {
6660 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6662 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6663 // [HGM] book: if program might be playing, let it use book
6664 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6665 first.maybeThinking = TRUE;
6666 } else SendMoveToProgram(forwardMostMove-1, &first);
6667 if (currentMove == cmailOldMove + 1) {
6668 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6672 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6676 if(appData.testLegality)
6677 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6683 if (WhiteOnMove(currentMove)) {
6684 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6686 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6690 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6695 case MachinePlaysBlack:
6696 case MachinePlaysWhite:
6697 /* disable certain menu options while machine is thinking */
6698 SetMachineThinkingEnables();
6705 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6706 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6708 if(bookHit) { // [HGM] book: simulate book reply
6709 static char bookMove[MSG_SIZ]; // a bit generous?
6711 programStats.nodes = programStats.depth = programStats.time =
6712 programStats.score = programStats.got_only_move = 0;
6713 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6715 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6716 strcat(bookMove, bookHit);
6717 HandleMachineMove(bookMove, &first);
6723 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6730 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6731 Markers *m = (Markers *) closure;
6732 if(rf == fromY && ff == fromX)
6733 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6734 || kind == WhiteCapturesEnPassant
6735 || kind == BlackCapturesEnPassant);
6736 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6740 MarkTargetSquares(int clear)
6743 if(!appData.markers || !appData.highlightDragging ||
6744 !appData.testLegality || gameMode == EditPosition) return;
6746 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6749 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6750 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6751 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6753 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6756 DrawPosition(TRUE, NULL);
6760 Explode(Board board, int fromX, int fromY, int toX, int toY)
6762 if(gameInfo.variant == VariantAtomic &&
6763 (board[toY][toX] != EmptySquare || // capture?
6764 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6765 board[fromY][fromX] == BlackPawn )
6767 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6773 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6775 int CanPromote(ChessSquare piece, int y)
6777 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6778 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6779 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6780 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6781 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6782 gameInfo.variant == VariantMakruk) return FALSE;
6783 return (piece == BlackPawn && y == 1 ||
6784 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6785 piece == BlackLance && y == 1 ||
6786 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6789 void LeftClick(ClickType clickType, int xPix, int yPix)
6792 Boolean saveAnimate;
6793 static int second = 0, promotionChoice = 0, clearFlag = 0;
6794 char promoChoice = NULLCHAR;
6797 if(appData.seekGraph && appData.icsActive && loggedOn &&
6798 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6799 SeekGraphClick(clickType, xPix, yPix, 0);
6803 if (clickType == Press) ErrorPopDown();
6804 MarkTargetSquares(1);
6806 x = EventToSquare(xPix, BOARD_WIDTH);
6807 y = EventToSquare(yPix, BOARD_HEIGHT);
6808 if (!flipView && y >= 0) {
6809 y = BOARD_HEIGHT - 1 - y;
6811 if (flipView && x >= 0) {
6812 x = BOARD_WIDTH - 1 - x;
6815 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6816 defaultPromoChoice = promoSweep;
6817 promoSweep = EmptySquare; // terminate sweep
6818 promoDefaultAltered = TRUE;
6819 if(!selectFlag) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6822 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6823 if(clickType == Release) return; // ignore upclick of click-click destination
6824 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6825 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6826 if(gameInfo.holdingsWidth &&
6827 (WhiteOnMove(currentMove)
6828 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6829 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6830 // click in right holdings, for determining promotion piece
6831 ChessSquare p = boards[currentMove][y][x];
6832 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6833 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6834 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6835 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6840 DrawPosition(FALSE, boards[currentMove]);
6844 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6845 if(clickType == Press
6846 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6847 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6848 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6851 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6852 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6854 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6855 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6856 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6857 defaultPromoChoice = DefaultPromoChoice(side);
6860 autoQueen = appData.alwaysPromoteToQueen;
6864 gatingPiece = EmptySquare;
6865 if (clickType != Press) {
6866 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6867 DragPieceEnd(xPix, yPix); dragging = 0;
6868 DrawPosition(FALSE, NULL);
6872 fromX = x; fromY = y;
6873 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6874 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6875 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6877 if (OKToStartUserMove(fromX, fromY)) {
6879 MarkTargetSquares(0);
6880 DragPieceBegin(xPix, yPix); dragging = 1;
6881 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6882 promoSweep = defaultPromoChoice;
6883 selectFlag = 0; lastX = xPix; lastY = yPix;
6884 Sweep(0); // Pawn that is going to promote: preview promotion piece
6885 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6887 if (appData.highlightDragging) {
6888 SetHighlights(fromX, fromY, -1, -1);
6890 } else fromX = fromY = -1;
6896 if (clickType == Press && gameMode != EditPosition) {
6901 // ignore off-board to clicks
6902 if(y < 0 || x < 0) return;
6904 /* Check if clicking again on the same color piece */
6905 fromP = boards[currentMove][fromY][fromX];
6906 toP = boards[currentMove][y][x];
6907 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6908 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6909 WhitePawn <= toP && toP <= WhiteKing &&
6910 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6911 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6912 (BlackPawn <= fromP && fromP <= BlackKing &&
6913 BlackPawn <= toP && toP <= BlackKing &&
6914 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6915 !(fromP == BlackKing && toP == BlackRook && frc))) {
6916 /* Clicked again on same color piece -- changed his mind */
6917 second = (x == fromX && y == fromY);
6918 promoDefaultAltered = FALSE;
6919 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6920 if (appData.highlightDragging) {
6921 SetHighlights(x, y, -1, -1);
6925 if (OKToStartUserMove(x, y)) {
6926 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6927 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6928 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6929 gatingPiece = boards[currentMove][fromY][fromX];
6930 else gatingPiece = EmptySquare;
6932 fromY = y; dragging = 1;
6933 MarkTargetSquares(0);
6934 DragPieceBegin(xPix, yPix);
6935 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6936 promoSweep = defaultPromoChoice;
6937 selectFlag = 0; lastX = xPix; lastY = yPix;
6938 Sweep(0); // Pawn that is going to promote: preview promotion piece
6942 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6945 // ignore clicks on holdings
6946 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6949 if (clickType == Release && x == fromX && y == fromY) {
6950 DragPieceEnd(xPix, yPix); dragging = 0;
6952 // a deferred attempt to click-click move an empty square on top of a piece
6953 boards[currentMove][y][x] = EmptySquare;
6955 DrawPosition(FALSE, boards[currentMove]);
6956 fromX = fromY = -1; clearFlag = 0;
6959 if (appData.animateDragging) {
6960 /* Undo animation damage if any */
6961 DrawPosition(FALSE, NULL);
6964 /* Second up/down in same square; just abort move */
6967 gatingPiece = EmptySquare;
6970 ClearPremoveHighlights();
6972 /* First upclick in same square; start click-click mode */
6973 SetHighlights(x, y, -1, -1);
6980 /* we now have a different from- and (possibly off-board) to-square */
6981 /* Completed move */
6984 saveAnimate = appData.animate;
6985 if (clickType == Press) {
6986 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
6987 // must be Edit Position mode with empty-square selected
6988 fromX = x; fromY = y; DragPieceBegin(xPix, yPix); dragging = 1; // consider this a new attempt to drag
6989 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
6992 /* Finish clickclick move */
6993 if (appData.animate || appData.highlightLastMove) {
6994 SetHighlights(fromX, fromY, toX, toY);
6999 /* Finish drag move */
7000 if (appData.highlightLastMove) {
7001 SetHighlights(fromX, fromY, toX, toY);
7005 DragPieceEnd(xPix, yPix); dragging = 0;
7006 /* Don't animate move and drag both */
7007 appData.animate = FALSE;
7010 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7011 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7012 ChessSquare piece = boards[currentMove][fromY][fromX];
7013 if(gameMode == EditPosition && piece != EmptySquare &&
7014 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7017 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7018 n = PieceToNumber(piece - (int)BlackPawn);
7019 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7020 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7021 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7023 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7024 n = PieceToNumber(piece);
7025 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7026 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7027 boards[currentMove][n][BOARD_WIDTH-2]++;
7029 boards[currentMove][fromY][fromX] = EmptySquare;
7033 DrawPosition(TRUE, boards[currentMove]);
7037 // off-board moves should not be highlighted
7038 if(x < 0 || y < 0) ClearHighlights();
7040 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7042 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
7043 SetHighlights(fromX, fromY, toX, toY);
7044 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7045 // [HGM] super: promotion to captured piece selected from holdings
7046 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7047 promotionChoice = TRUE;
7048 // kludge follows to temporarily execute move on display, without promoting yet
7049 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7050 boards[currentMove][toY][toX] = p;
7051 DrawPosition(FALSE, boards[currentMove]);
7052 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7053 boards[currentMove][toY][toX] = q;
7054 DisplayMessage("Click in holdings to choose piece", "");
7059 int oldMove = currentMove;
7060 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7061 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7062 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7063 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7064 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7065 DrawPosition(TRUE, boards[currentMove]);
7068 appData.animate = saveAnimate;
7069 if (appData.animate || appData.animateDragging) {
7070 /* Undo animation damage if needed */
7071 DrawPosition(FALSE, NULL);
7075 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7076 { // front-end-free part taken out of PieceMenuPopup
7077 int whichMenu; int xSqr, ySqr;
7079 if(seekGraphUp) { // [HGM] seekgraph
7080 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7081 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7085 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7086 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7087 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7088 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7089 if(action == Press) {
7090 originalFlip = flipView;
7091 flipView = !flipView; // temporarily flip board to see game from partners perspective
7092 DrawPosition(TRUE, partnerBoard);
7093 DisplayMessage(partnerStatus, "");
7095 } else if(action == Release) {
7096 flipView = originalFlip;
7097 DrawPosition(TRUE, boards[currentMove]);
7103 xSqr = EventToSquare(x, BOARD_WIDTH);
7104 ySqr = EventToSquare(y, BOARD_HEIGHT);
7105 if (action == Release) {
7106 if(pieceSweep != EmptySquare) {
7107 EditPositionMenuEvent(pieceSweep, toX, toY);
7108 pieceSweep = EmptySquare;
7109 } else UnLoadPV(); // [HGM] pv
7111 if (action != Press) return -2; // return code to be ignored
7114 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7116 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7117 if (xSqr < 0 || ySqr < 0) return -1;
7118 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7119 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7120 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7121 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7125 if(!appData.icsEngineAnalyze) return -1;
7126 case IcsPlayingWhite:
7127 case IcsPlayingBlack:
7128 if(!appData.zippyPlay) goto noZip;
7131 case MachinePlaysWhite:
7132 case MachinePlaysBlack:
7133 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7134 if (!appData.dropMenu) {
7136 return 2; // flag front-end to grab mouse events
7138 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7139 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7142 if (xSqr < 0 || ySqr < 0) return -1;
7143 if (!appData.dropMenu || appData.testLegality &&
7144 gameInfo.variant != VariantBughouse &&
7145 gameInfo.variant != VariantCrazyhouse) return -1;
7146 whichMenu = 1; // drop menu
7152 if (((*fromX = xSqr) < 0) ||
7153 ((*fromY = ySqr) < 0)) {
7154 *fromX = *fromY = -1;
7158 *fromX = BOARD_WIDTH - 1 - *fromX;
7160 *fromY = BOARD_HEIGHT - 1 - *fromY;
7165 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7167 // char * hint = lastHint;
7168 FrontEndProgramStats stats;
7170 stats.which = cps == &first ? 0 : 1;
7171 stats.depth = cpstats->depth;
7172 stats.nodes = cpstats->nodes;
7173 stats.score = cpstats->score;
7174 stats.time = cpstats->time;
7175 stats.pv = cpstats->movelist;
7176 stats.hint = lastHint;
7177 stats.an_move_index = 0;
7178 stats.an_move_count = 0;
7180 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7181 stats.hint = cpstats->move_name;
7182 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7183 stats.an_move_count = cpstats->nr_moves;
7186 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
7188 SetProgramStats( &stats );
7192 ClearEngineOutputPane(int which)
7194 static FrontEndProgramStats dummyStats;
7195 dummyStats.which = which;
7196 dummyStats.pv = "#";
7197 SetProgramStats( &dummyStats );
7200 #define MAXPLAYERS 500
7203 TourneyStandings(int display)
7205 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7206 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7207 char result, *p, *names[MAXPLAYERS];
7209 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7210 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7211 names[0] = p = strdup(appData.participants);
7212 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7214 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7216 while(result = appData.results[nr]) {
7217 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7218 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7219 wScore = bScore = 0;
7221 case '+': wScore = 2; break;
7222 case '-': bScore = 2; break;
7223 case '=': wScore = bScore = 1; break;
7225 case '*': return strdup("busy"); // tourney not finished
7233 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7234 for(w=0; w<nPlayers; w++) {
7236 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7237 ranking[w] = b; points[w] = bScore; score[b] = -2;
7239 p = malloc(nPlayers*34+1);
7240 for(w=0; w<nPlayers && w<display; w++)
7241 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7247 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7248 { // count all piece types
7250 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7251 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7252 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7255 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7256 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7257 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7258 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7259 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7260 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7265 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7267 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7268 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7270 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7271 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7272 if(myPawns == 2 && nMine == 3) // KPP
7273 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7274 if(myPawns == 1 && nMine == 2) // KP
7275 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7276 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7277 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7278 if(myPawns) return FALSE;
7279 if(pCnt[WhiteRook+side])
7280 return pCnt[BlackRook-side] ||
7281 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7282 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7283 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7284 if(pCnt[WhiteCannon+side]) {
7285 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7286 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7288 if(pCnt[WhiteKnight+side])
7289 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7294 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7296 VariantClass v = gameInfo.variant;
7298 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7299 if(v == VariantShatranj) return TRUE; // always winnable through baring
7300 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7301 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7303 if(v == VariantXiangqi) {
7304 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7306 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7307 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7308 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7309 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7310 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7311 if(stale) // we have at least one last-rank P plus perhaps C
7312 return majors // KPKX
7313 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7315 return pCnt[WhiteFerz+side] // KCAK
7316 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7317 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7318 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7320 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7321 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7323 if(nMine == 1) return FALSE; // bare King
7324 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
7325 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7326 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7327 // by now we have King + 1 piece (or multiple Bishops on the same color)
7328 if(pCnt[WhiteKnight+side])
7329 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7330 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7331 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7333 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7334 if(pCnt[WhiteAlfil+side])
7335 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7336 if(pCnt[WhiteWazir+side])
7337 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7344 Adjudicate(ChessProgramState *cps)
7345 { // [HGM] some adjudications useful with buggy engines
7346 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7347 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7348 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7349 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7350 int k, count = 0; static int bare = 1;
7351 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7352 Boolean canAdjudicate = !appData.icsActive;
7354 // most tests only when we understand the game, i.e. legality-checking on
7355 if( appData.testLegality )
7356 { /* [HGM] Some more adjudications for obstinate engines */
7357 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7358 static int moveCount = 6;
7360 char *reason = NULL;
7362 /* Count what is on board. */
7363 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7365 /* Some material-based adjudications that have to be made before stalemate test */
7366 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7367 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7368 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7369 if(canAdjudicate && appData.checkMates) {
7371 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7372 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7373 "Xboard adjudication: King destroyed", GE_XBOARD );
7378 /* Bare King in Shatranj (loses) or Losers (wins) */
7379 if( nrW == 1 || nrB == 1) {
7380 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7381 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7382 if(canAdjudicate && appData.checkMates) {
7384 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7385 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7386 "Xboard adjudication: Bare king", GE_XBOARD );
7390 if( gameInfo.variant == VariantShatranj && --bare < 0)
7392 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7393 if(canAdjudicate && appData.checkMates) {
7394 /* but only adjudicate if adjudication enabled */
7396 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7397 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7398 "Xboard adjudication: Bare king", GE_XBOARD );
7405 // don't wait for engine to announce game end if we can judge ourselves
7406 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7408 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7409 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7410 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7411 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7414 reason = "Xboard adjudication: 3rd check";
7415 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7425 reason = "Xboard adjudication: Stalemate";
7426 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7427 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7428 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7429 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7430 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7431 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7432 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7433 EP_CHECKMATE : EP_WINS);
7434 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7435 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7439 reason = "Xboard adjudication: Checkmate";
7440 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7444 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7446 result = GameIsDrawn; break;
7448 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7450 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7454 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7456 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7457 GameEnds( result, reason, GE_XBOARD );
7461 /* Next absolutely insufficient mating material. */
7462 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7463 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7464 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7466 /* always flag draws, for judging claims */
7467 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7469 if(canAdjudicate && appData.materialDraws) {
7470 /* but only adjudicate them if adjudication enabled */
7471 if(engineOpponent) {
7472 SendToProgram("force\n", engineOpponent); // suppress reply
7473 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7475 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7480 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7481 if(gameInfo.variant == VariantXiangqi ?
7482 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7484 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7485 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7486 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7487 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7489 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7490 { /* if the first 3 moves do not show a tactical win, declare draw */
7491 if(engineOpponent) {
7492 SendToProgram("force\n", engineOpponent); // suppress reply
7493 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7495 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7498 } else moveCount = 6;
7500 if (appData.debugMode) { int i;
7501 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7502 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7503 appData.drawRepeats);
7504 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7505 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7509 // Repetition draws and 50-move rule can be applied independently of legality testing
7511 /* Check for rep-draws */
7513 for(k = forwardMostMove-2;
7514 k>=backwardMostMove && k>=forwardMostMove-100 &&
7515 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7516 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7519 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7520 /* compare castling rights */
7521 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7522 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7523 rights++; /* King lost rights, while rook still had them */
7524 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7525 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7526 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7527 rights++; /* but at least one rook lost them */
7529 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7530 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7532 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7533 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7534 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7537 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7538 && appData.drawRepeats > 1) {
7539 /* adjudicate after user-specified nr of repeats */
7540 int result = GameIsDrawn;
7541 char *details = "XBoard adjudication: repetition draw";
7542 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7543 // [HGM] xiangqi: check for forbidden perpetuals
7544 int m, ourPerpetual = 1, hisPerpetual = 1;
7545 for(m=forwardMostMove; m>k; m-=2) {
7546 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7547 ourPerpetual = 0; // the current mover did not always check
7548 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7549 hisPerpetual = 0; // the opponent did not always check
7551 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7552 ourPerpetual, hisPerpetual);
7553 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7554 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7555 details = "Xboard adjudication: perpetual checking";
7557 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7558 break; // (or we would have caught him before). Abort repetition-checking loop.
7560 // Now check for perpetual chases
7561 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7562 hisPerpetual = PerpetualChase(k, forwardMostMove);
7563 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7564 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7565 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7566 details = "Xboard adjudication: perpetual chasing";
7568 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7569 break; // Abort repetition-checking loop.
7571 // if neither of us is checking or chasing all the time, or both are, it is draw
7573 if(engineOpponent) {
7574 SendToProgram("force\n", engineOpponent); // suppress reply
7575 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7577 GameEnds( result, details, GE_XBOARD );
7580 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7581 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7585 /* Now we test for 50-move draws. Determine ply count */
7586 count = forwardMostMove;
7587 /* look for last irreversble move */
7588 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7590 /* if we hit starting position, add initial plies */
7591 if( count == backwardMostMove )
7592 count -= initialRulePlies;
7593 count = forwardMostMove - count;
7594 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7595 // adjust reversible move counter for checks in Xiangqi
7596 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7597 if(i < backwardMostMove) i = backwardMostMove;
7598 while(i <= forwardMostMove) {
7599 lastCheck = inCheck; // check evasion does not count
7600 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7601 if(inCheck || lastCheck) count--; // check does not count
7606 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7607 /* this is used to judge if draw claims are legal */
7608 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7609 if(engineOpponent) {
7610 SendToProgram("force\n", engineOpponent); // suppress reply
7611 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7613 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7617 /* if draw offer is pending, treat it as a draw claim
7618 * when draw condition present, to allow engines a way to
7619 * claim draws before making their move to avoid a race
7620 * condition occurring after their move
7622 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7624 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7625 p = "Draw claim: 50-move rule";
7626 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7627 p = "Draw claim: 3-fold repetition";
7628 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7629 p = "Draw claim: insufficient mating material";
7630 if( p != NULL && canAdjudicate) {
7631 if(engineOpponent) {
7632 SendToProgram("force\n", engineOpponent); // suppress reply
7633 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7635 GameEnds( GameIsDrawn, p, GE_XBOARD );
7640 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7641 if(engineOpponent) {
7642 SendToProgram("force\n", engineOpponent); // suppress reply
7643 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7645 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7651 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7652 { // [HGM] book: this routine intercepts moves to simulate book replies
7653 char *bookHit = NULL;
7655 //first determine if the incoming move brings opponent into his book
7656 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7657 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7658 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7659 if(bookHit != NULL && !cps->bookSuspend) {
7660 // make sure opponent is not going to reply after receiving move to book position
7661 SendToProgram("force\n", cps);
7662 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7664 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7665 // now arrange restart after book miss
7667 // after a book hit we never send 'go', and the code after the call to this routine
7668 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7669 char buf[MSG_SIZ], *move = bookHit;
7671 int fromX, fromY, toX, toY;
7675 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7676 &fromX, &fromY, &toX, &toY, &promoChar)) {
7677 (void) CoordsToAlgebraic(boards[forwardMostMove],
7678 PosFlags(forwardMostMove),
7679 fromY, fromX, toY, toX, promoChar, move);
7681 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7685 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7686 SendToProgram(buf, cps);
7687 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7688 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7689 SendToProgram("go\n", cps);
7690 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7691 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7692 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7693 SendToProgram("go\n", cps);
7694 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7696 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7700 ChessProgramState *savedState;
7701 void DeferredBookMove(void)
7703 if(savedState->lastPing != savedState->lastPong)
7704 ScheduleDelayedEvent(DeferredBookMove, 10);
7706 HandleMachineMove(savedMessage, savedState);
7709 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7712 HandleMachineMove(message, cps)
7714 ChessProgramState *cps;
7716 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7717 char realname[MSG_SIZ];
7718 int fromX, fromY, toX, toY;
7725 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7726 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7727 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7728 DisplayError(_("Invalid pairing from pairing engine"), 0);
7731 pairingReceived = 1;
7733 return; // Skim the pairing messages here.
7738 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7740 * Kludge to ignore BEL characters
7742 while (*message == '\007') message++;
7745 * [HGM] engine debug message: ignore lines starting with '#' character
7747 if(cps->debug && *message == '#') return;
7750 * Look for book output
7752 if (cps == &first && bookRequested) {
7753 if (message[0] == '\t' || message[0] == ' ') {
7754 /* Part of the book output is here; append it */
7755 strcat(bookOutput, message);
7756 strcat(bookOutput, " \n");
7758 } else if (bookOutput[0] != NULLCHAR) {
7759 /* All of book output has arrived; display it */
7760 char *p = bookOutput;
7761 while (*p != NULLCHAR) {
7762 if (*p == '\t') *p = ' ';
7765 DisplayInformation(bookOutput);
7766 bookRequested = FALSE;
7767 /* Fall through to parse the current output */
7772 * Look for machine move.
7774 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7775 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7777 /* This method is only useful on engines that support ping */
7778 if (cps->lastPing != cps->lastPong) {
7779 if (gameMode == BeginningOfGame) {
7780 /* Extra move from before last new; ignore */
7781 if (appData.debugMode) {
7782 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7785 if (appData.debugMode) {
7786 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7787 cps->which, gameMode);
7790 SendToProgram("undo\n", cps);
7796 case BeginningOfGame:
7797 /* Extra move from before last reset; ignore */
7798 if (appData.debugMode) {
7799 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7806 /* Extra move after we tried to stop. The mode test is
7807 not a reliable way of detecting this problem, but it's
7808 the best we can do on engines that don't support ping.
7810 if (appData.debugMode) {
7811 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7812 cps->which, gameMode);
7814 SendToProgram("undo\n", cps);
7817 case MachinePlaysWhite:
7818 case IcsPlayingWhite:
7819 machineWhite = TRUE;
7822 case MachinePlaysBlack:
7823 case IcsPlayingBlack:
7824 machineWhite = FALSE;
7827 case TwoMachinesPlay:
7828 machineWhite = (cps->twoMachinesColor[0] == 'w');
7831 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7832 if (appData.debugMode) {
7834 "Ignoring move out of turn by %s, gameMode %d"
7835 ", forwardMost %d\n",
7836 cps->which, gameMode, forwardMostMove);
7841 if (appData.debugMode) { int f = forwardMostMove;
7842 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7843 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7844 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7846 if(cps->alphaRank) AlphaRank(machineMove, 4);
7847 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7848 &fromX, &fromY, &toX, &toY, &promoChar)) {
7849 /* Machine move could not be parsed; ignore it. */
7850 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7851 machineMove, _(cps->which));
7852 DisplayError(buf1, 0);
7853 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7854 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7855 if (gameMode == TwoMachinesPlay) {
7856 GameEnds(machineWhite ? BlackWins : WhiteWins,
7862 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7863 /* So we have to redo legality test with true e.p. status here, */
7864 /* to make sure an illegal e.p. capture does not slip through, */
7865 /* to cause a forfeit on a justified illegal-move complaint */
7866 /* of the opponent. */
7867 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7869 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7870 fromY, fromX, toY, toX, promoChar);
7871 if (appData.debugMode) {
7873 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7874 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7875 fprintf(debugFP, "castling rights\n");
7877 if(moveType == IllegalMove) {
7878 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7879 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7880 GameEnds(machineWhite ? BlackWins : WhiteWins,
7883 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7884 /* [HGM] Kludge to handle engines that send FRC-style castling
7885 when they shouldn't (like TSCP-Gothic) */
7887 case WhiteASideCastleFR:
7888 case BlackASideCastleFR:
7890 currentMoveString[2]++;
7892 case WhiteHSideCastleFR:
7893 case BlackHSideCastleFR:
7895 currentMoveString[2]--;
7897 default: ; // nothing to do, but suppresses warning of pedantic compilers
7900 hintRequested = FALSE;
7901 lastHint[0] = NULLCHAR;
7902 bookRequested = FALSE;
7903 /* Program may be pondering now */
7904 cps->maybeThinking = TRUE;
7905 if (cps->sendTime == 2) cps->sendTime = 1;
7906 if (cps->offeredDraw) cps->offeredDraw--;
7908 /* [AS] Save move info*/
7909 pvInfoList[ forwardMostMove ].score = programStats.score;
7910 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7911 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7913 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7915 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7916 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7919 while( count < adjudicateLossPlies ) {
7920 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7923 score = -score; /* Flip score for winning side */
7926 if( score > adjudicateLossThreshold ) {
7933 if( count >= adjudicateLossPlies ) {
7934 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7936 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7937 "Xboard adjudication",
7944 if(Adjudicate(cps)) {
7945 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7946 return; // [HGM] adjudicate: for all automatic game ends
7950 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7952 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7953 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7955 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7957 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7959 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7960 char buf[3*MSG_SIZ];
7962 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7963 programStats.score / 100.,
7965 programStats.time / 100.,
7966 (unsigned int)programStats.nodes,
7967 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7968 programStats.movelist);
7970 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7975 /* [AS] Clear stats for next move */
7976 ClearProgramStats();
7977 thinkOutput[0] = NULLCHAR;
7978 hiddenThinkOutputState = 0;
7981 if (gameMode == TwoMachinesPlay) {
7982 /* [HGM] relaying draw offers moved to after reception of move */
7983 /* and interpreting offer as claim if it brings draw condition */
7984 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7985 SendToProgram("draw\n", cps->other);
7987 if (cps->other->sendTime) {
7988 SendTimeRemaining(cps->other,
7989 cps->other->twoMachinesColor[0] == 'w');
7991 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7992 if (firstMove && !bookHit) {
7994 if (cps->other->useColors) {
7995 SendToProgram(cps->other->twoMachinesColor, cps->other);
7997 SendToProgram("go\n", cps->other);
7999 cps->other->maybeThinking = TRUE;
8002 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8004 if (!pausing && appData.ringBellAfterMoves) {
8009 * Reenable menu items that were disabled while
8010 * machine was thinking
8012 if (gameMode != TwoMachinesPlay)
8013 SetUserThinkingEnables();
8015 // [HGM] book: after book hit opponent has received move and is now in force mode
8016 // force the book reply into it, and then fake that it outputted this move by jumping
8017 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8019 static char bookMove[MSG_SIZ]; // a bit generous?
8021 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8022 strcat(bookMove, bookHit);
8025 programStats.nodes = programStats.depth = programStats.time =
8026 programStats.score = programStats.got_only_move = 0;
8027 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8029 if(cps->lastPing != cps->lastPong) {
8030 savedMessage = message; // args for deferred call
8032 ScheduleDelayedEvent(DeferredBookMove, 10);
8041 /* Set special modes for chess engines. Later something general
8042 * could be added here; for now there is just one kludge feature,
8043 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8044 * when "xboard" is given as an interactive command.
8046 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8047 cps->useSigint = FALSE;
8048 cps->useSigterm = FALSE;
8050 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8051 ParseFeatures(message+8, cps);
8052 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8055 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8056 int dummy, s=6; char buf[MSG_SIZ];
8057 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8058 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8059 ParseFEN(boards[0], &dummy, message+s);
8060 DrawPosition(TRUE, boards[0]);
8061 startedFromSetupPosition = TRUE;
8064 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8065 * want this, I was asked to put it in, and obliged.
8067 if (!strncmp(message, "setboard ", 9)) {
8068 Board initial_position;
8070 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8072 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8073 DisplayError(_("Bad FEN received from engine"), 0);
8077 CopyBoard(boards[0], initial_position);
8078 initialRulePlies = FENrulePlies;
8079 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8080 else gameMode = MachinePlaysBlack;
8081 DrawPosition(FALSE, boards[currentMove]);
8087 * Look for communication commands
8089 if (!strncmp(message, "telluser ", 9)) {
8090 if(message[9] == '\\' && message[10] == '\\')
8091 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8093 DisplayNote(message + 9);
8096 if (!strncmp(message, "tellusererror ", 14)) {
8098 if(message[14] == '\\' && message[15] == '\\')
8099 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8101 DisplayError(message + 14, 0);
8104 if (!strncmp(message, "tellopponent ", 13)) {
8105 if (appData.icsActive) {
8107 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8111 DisplayNote(message + 13);
8115 if (!strncmp(message, "tellothers ", 11)) {
8116 if (appData.icsActive) {
8118 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8124 if (!strncmp(message, "tellall ", 8)) {
8125 if (appData.icsActive) {
8127 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8131 DisplayNote(message + 8);
8135 if (strncmp(message, "warning", 7) == 0) {
8136 /* Undocumented feature, use tellusererror in new code */
8137 DisplayError(message, 0);
8140 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8141 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8142 strcat(realname, " query");
8143 AskQuestion(realname, buf2, buf1, cps->pr);
8146 /* Commands from the engine directly to ICS. We don't allow these to be
8147 * sent until we are logged on. Crafty kibitzes have been known to
8148 * interfere with the login process.
8151 if (!strncmp(message, "tellics ", 8)) {
8152 SendToICS(message + 8);
8156 if (!strncmp(message, "tellicsnoalias ", 15)) {
8157 SendToICS(ics_prefix);
8158 SendToICS(message + 15);
8162 /* The following are for backward compatibility only */
8163 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8164 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8165 SendToICS(ics_prefix);
8171 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8175 * If the move is illegal, cancel it and redraw the board.
8176 * Also deal with other error cases. Matching is rather loose
8177 * here to accommodate engines written before the spec.
8179 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8180 strncmp(message, "Error", 5) == 0) {
8181 if (StrStr(message, "name") ||
8182 StrStr(message, "rating") || StrStr(message, "?") ||
8183 StrStr(message, "result") || StrStr(message, "board") ||
8184 StrStr(message, "bk") || StrStr(message, "computer") ||
8185 StrStr(message, "variant") || StrStr(message, "hint") ||
8186 StrStr(message, "random") || StrStr(message, "depth") ||
8187 StrStr(message, "accepted")) {
8190 if (StrStr(message, "protover")) {
8191 /* Program is responding to input, so it's apparently done
8192 initializing, and this error message indicates it is
8193 protocol version 1. So we don't need to wait any longer
8194 for it to initialize and send feature commands. */
8195 FeatureDone(cps, 1);
8196 cps->protocolVersion = 1;
8199 cps->maybeThinking = FALSE;
8201 if (StrStr(message, "draw")) {
8202 /* Program doesn't have "draw" command */
8203 cps->sendDrawOffers = 0;
8206 if (cps->sendTime != 1 &&
8207 (StrStr(message, "time") || StrStr(message, "otim"))) {
8208 /* Program apparently doesn't have "time" or "otim" command */
8212 if (StrStr(message, "analyze")) {
8213 cps->analysisSupport = FALSE;
8214 cps->analyzing = FALSE;
8216 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8217 DisplayError(buf2, 0);
8220 if (StrStr(message, "(no matching move)st")) {
8221 /* Special kludge for GNU Chess 4 only */
8222 cps->stKludge = TRUE;
8223 SendTimeControl(cps, movesPerSession, timeControl,
8224 timeIncrement, appData.searchDepth,
8228 if (StrStr(message, "(no matching move)sd")) {
8229 /* Special kludge for GNU Chess 4 only */
8230 cps->sdKludge = TRUE;
8231 SendTimeControl(cps, movesPerSession, timeControl,
8232 timeIncrement, appData.searchDepth,
8236 if (!StrStr(message, "llegal")) {
8239 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8240 gameMode == IcsIdle) return;
8241 if (forwardMostMove <= backwardMostMove) return;
8242 if (pausing) PauseEvent();
8243 if(appData.forceIllegal) {
8244 // [HGM] illegal: machine refused move; force position after move into it
8245 SendToProgram("force\n", cps);
8246 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8247 // we have a real problem now, as SendBoard will use the a2a3 kludge
8248 // when black is to move, while there might be nothing on a2 or black
8249 // might already have the move. So send the board as if white has the move.
8250 // But first we must change the stm of the engine, as it refused the last move
8251 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8252 if(WhiteOnMove(forwardMostMove)) {
8253 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8254 SendBoard(cps, forwardMostMove); // kludgeless board
8256 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8257 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8258 SendBoard(cps, forwardMostMove+1); // kludgeless board
8260 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8261 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8262 gameMode == TwoMachinesPlay)
8263 SendToProgram("go\n", cps);
8266 if (gameMode == PlayFromGameFile) {
8267 /* Stop reading this game file */
8268 gameMode = EditGame;
8271 /* [HGM] illegal-move claim should forfeit game when Xboard */
8272 /* only passes fully legal moves */
8273 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8274 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8275 "False illegal-move claim", GE_XBOARD );
8276 return; // do not take back move we tested as valid
8278 currentMove = forwardMostMove-1;
8279 DisplayMove(currentMove-1); /* before DisplayMoveError */
8280 SwitchClocks(forwardMostMove-1); // [HGM] race
8281 DisplayBothClocks();
8282 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8283 parseList[currentMove], _(cps->which));
8284 DisplayMoveError(buf1);
8285 DrawPosition(FALSE, boards[currentMove]);
8288 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8289 /* Program has a broken "time" command that
8290 outputs a string not ending in newline.
8296 * If chess program startup fails, exit with an error message.
8297 * Attempts to recover here are futile.
8299 if ((StrStr(message, "unknown host") != NULL)
8300 || (StrStr(message, "No remote directory") != NULL)
8301 || (StrStr(message, "not found") != NULL)
8302 || (StrStr(message, "No such file") != NULL)
8303 || (StrStr(message, "can't alloc") != NULL)
8304 || (StrStr(message, "Permission denied") != NULL)) {
8306 cps->maybeThinking = FALSE;
8307 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8308 _(cps->which), cps->program, cps->host, message);
8309 RemoveInputSource(cps->isr);
8310 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8311 if(cps == &first) appData.noChessProgram = TRUE;
8312 DisplayError(buf1, 0);
8318 * Look for hint output
8320 if (sscanf(message, "Hint: %s", buf1) == 1) {
8321 if (cps == &first && hintRequested) {
8322 hintRequested = FALSE;
8323 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8324 &fromX, &fromY, &toX, &toY, &promoChar)) {
8325 (void) CoordsToAlgebraic(boards[forwardMostMove],
8326 PosFlags(forwardMostMove),
8327 fromY, fromX, toY, toX, promoChar, buf1);
8328 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8329 DisplayInformation(buf2);
8331 /* Hint move could not be parsed!? */
8332 snprintf(buf2, sizeof(buf2),
8333 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8334 buf1, _(cps->which));
8335 DisplayError(buf2, 0);
8338 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8344 * Ignore other messages if game is not in progress
8346 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8347 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8350 * look for win, lose, draw, or draw offer
8352 if (strncmp(message, "1-0", 3) == 0) {
8353 char *p, *q, *r = "";
8354 p = strchr(message, '{');
8362 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8364 } else if (strncmp(message, "0-1", 3) == 0) {
8365 char *p, *q, *r = "";
8366 p = strchr(message, '{');
8374 /* Kludge for Arasan 4.1 bug */
8375 if (strcmp(r, "Black resigns") == 0) {
8376 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8379 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8381 } else if (strncmp(message, "1/2", 3) == 0) {
8382 char *p, *q, *r = "";
8383 p = strchr(message, '{');
8392 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8395 } else if (strncmp(message, "White resign", 12) == 0) {
8396 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8398 } else if (strncmp(message, "Black resign", 12) == 0) {
8399 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8401 } else if (strncmp(message, "White matches", 13) == 0 ||
8402 strncmp(message, "Black matches", 13) == 0 ) {
8403 /* [HGM] ignore GNUShogi noises */
8405 } else if (strncmp(message, "White", 5) == 0 &&
8406 message[5] != '(' &&
8407 StrStr(message, "Black") == NULL) {
8408 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8410 } else if (strncmp(message, "Black", 5) == 0 &&
8411 message[5] != '(') {
8412 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8414 } else if (strcmp(message, "resign") == 0 ||
8415 strcmp(message, "computer resigns") == 0) {
8417 case MachinePlaysBlack:
8418 case IcsPlayingBlack:
8419 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8421 case MachinePlaysWhite:
8422 case IcsPlayingWhite:
8423 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8425 case TwoMachinesPlay:
8426 if (cps->twoMachinesColor[0] == 'w')
8427 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8429 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8436 } else if (strncmp(message, "opponent mates", 14) == 0) {
8438 case MachinePlaysBlack:
8439 case IcsPlayingBlack:
8440 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8442 case MachinePlaysWhite:
8443 case IcsPlayingWhite:
8444 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8446 case TwoMachinesPlay:
8447 if (cps->twoMachinesColor[0] == 'w')
8448 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8450 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8457 } else if (strncmp(message, "computer mates", 14) == 0) {
8459 case MachinePlaysBlack:
8460 case IcsPlayingBlack:
8461 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8463 case MachinePlaysWhite:
8464 case IcsPlayingWhite:
8465 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8467 case TwoMachinesPlay:
8468 if (cps->twoMachinesColor[0] == 'w')
8469 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8471 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8478 } else if (strncmp(message, "checkmate", 9) == 0) {
8479 if (WhiteOnMove(forwardMostMove)) {
8480 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8482 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8485 } else if (strstr(message, "Draw") != NULL ||
8486 strstr(message, "game is a draw") != NULL) {
8487 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8489 } else if (strstr(message, "offer") != NULL &&
8490 strstr(message, "draw") != NULL) {
8492 if (appData.zippyPlay && first.initDone) {
8493 /* Relay offer to ICS */
8494 SendToICS(ics_prefix);
8495 SendToICS("draw\n");
8498 cps->offeredDraw = 2; /* valid until this engine moves twice */
8499 if (gameMode == TwoMachinesPlay) {
8500 if (cps->other->offeredDraw) {
8501 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8502 /* [HGM] in two-machine mode we delay relaying draw offer */
8503 /* until after we also have move, to see if it is really claim */
8505 } else if (gameMode == MachinePlaysWhite ||
8506 gameMode == MachinePlaysBlack) {
8507 if (userOfferedDraw) {
8508 DisplayInformation(_("Machine accepts your draw offer"));
8509 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8511 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8518 * Look for thinking output
8520 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8521 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8523 int plylev, mvleft, mvtot, curscore, time;
8524 char mvname[MOVE_LEN];
8528 int prefixHint = FALSE;
8529 mvname[0] = NULLCHAR;
8532 case MachinePlaysBlack:
8533 case IcsPlayingBlack:
8534 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8536 case MachinePlaysWhite:
8537 case IcsPlayingWhite:
8538 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8543 case IcsObserving: /* [DM] icsEngineAnalyze */
8544 if (!appData.icsEngineAnalyze) ignore = TRUE;
8546 case TwoMachinesPlay:
8547 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8557 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8559 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8560 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8562 if (plyext != ' ' && plyext != '\t') {
8566 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8567 if( cps->scoreIsAbsolute &&
8568 ( gameMode == MachinePlaysBlack ||
8569 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8570 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8571 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8572 !WhiteOnMove(currentMove)
8575 curscore = -curscore;
8578 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8580 tempStats.depth = plylev;
8581 tempStats.nodes = nodes;
8582 tempStats.time = time;
8583 tempStats.score = curscore;
8584 tempStats.got_only_move = 0;
8586 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8589 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8590 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8591 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8592 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8593 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8594 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8595 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8596 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8599 /* Buffer overflow protection */
8600 if (pv[0] != NULLCHAR) {
8601 if (strlen(pv) >= sizeof(tempStats.movelist)
8602 && appData.debugMode) {
8604 "PV is too long; using the first %u bytes.\n",
8605 (unsigned) sizeof(tempStats.movelist) - 1);
8608 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8610 sprintf(tempStats.movelist, " no PV\n");
8613 if (tempStats.seen_stat) {
8614 tempStats.ok_to_send = 1;
8617 if (strchr(tempStats.movelist, '(') != NULL) {
8618 tempStats.line_is_book = 1;
8619 tempStats.nr_moves = 0;
8620 tempStats.moves_left = 0;
8622 tempStats.line_is_book = 0;
8625 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8626 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8628 SendProgramStatsToFrontend( cps, &tempStats );
8631 [AS] Protect the thinkOutput buffer from overflow... this
8632 is only useful if buf1 hasn't overflowed first!
8634 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8636 (gameMode == TwoMachinesPlay ?
8637 ToUpper(cps->twoMachinesColor[0]) : ' '),
8638 ((double) curscore) / 100.0,
8639 prefixHint ? lastHint : "",
8640 prefixHint ? " " : "" );
8642 if( buf1[0] != NULLCHAR ) {
8643 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8645 if( strlen(pv) > max_len ) {
8646 if( appData.debugMode) {
8647 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8649 pv[max_len+1] = '\0';
8652 strcat( thinkOutput, pv);
8655 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8656 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8657 DisplayMove(currentMove - 1);
8661 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8662 /* crafty (9.25+) says "(only move) <move>"
8663 * if there is only 1 legal move
8665 sscanf(p, "(only move) %s", buf1);
8666 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8667 sprintf(programStats.movelist, "%s (only move)", buf1);
8668 programStats.depth = 1;
8669 programStats.nr_moves = 1;
8670 programStats.moves_left = 1;
8671 programStats.nodes = 1;
8672 programStats.time = 1;
8673 programStats.got_only_move = 1;
8675 /* Not really, but we also use this member to
8676 mean "line isn't going to change" (Crafty
8677 isn't searching, so stats won't change) */
8678 programStats.line_is_book = 1;
8680 SendProgramStatsToFrontend( cps, &programStats );
8682 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8683 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8684 DisplayMove(currentMove - 1);
8687 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8688 &time, &nodes, &plylev, &mvleft,
8689 &mvtot, mvname) >= 5) {
8690 /* The stat01: line is from Crafty (9.29+) in response
8691 to the "." command */
8692 programStats.seen_stat = 1;
8693 cps->maybeThinking = TRUE;
8695 if (programStats.got_only_move || !appData.periodicUpdates)
8698 programStats.depth = plylev;
8699 programStats.time = time;
8700 programStats.nodes = nodes;
8701 programStats.moves_left = mvleft;
8702 programStats.nr_moves = mvtot;
8703 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8704 programStats.ok_to_send = 1;
8705 programStats.movelist[0] = '\0';
8707 SendProgramStatsToFrontend( cps, &programStats );
8711 } else if (strncmp(message,"++",2) == 0) {
8712 /* Crafty 9.29+ outputs this */
8713 programStats.got_fail = 2;
8716 } else if (strncmp(message,"--",2) == 0) {
8717 /* Crafty 9.29+ outputs this */
8718 programStats.got_fail = 1;
8721 } else if (thinkOutput[0] != NULLCHAR &&
8722 strncmp(message, " ", 4) == 0) {
8723 unsigned message_len;
8726 while (*p && *p == ' ') p++;
8728 message_len = strlen( p );
8730 /* [AS] Avoid buffer overflow */
8731 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8732 strcat(thinkOutput, " ");
8733 strcat(thinkOutput, p);
8736 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8737 strcat(programStats.movelist, " ");
8738 strcat(programStats.movelist, p);
8741 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8742 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8743 DisplayMove(currentMove - 1);
8751 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8752 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8754 ChessProgramStats cpstats;
8756 if (plyext != ' ' && plyext != '\t') {
8760 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8761 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8762 curscore = -curscore;
8765 cpstats.depth = plylev;
8766 cpstats.nodes = nodes;
8767 cpstats.time = time;
8768 cpstats.score = curscore;
8769 cpstats.got_only_move = 0;
8770 cpstats.movelist[0] = '\0';
8772 if (buf1[0] != NULLCHAR) {
8773 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8776 cpstats.ok_to_send = 0;
8777 cpstats.line_is_book = 0;
8778 cpstats.nr_moves = 0;
8779 cpstats.moves_left = 0;
8781 SendProgramStatsToFrontend( cps, &cpstats );
8788 /* Parse a game score from the character string "game", and
8789 record it as the history of the current game. The game
8790 score is NOT assumed to start from the standard position.
8791 The display is not updated in any way.
8794 ParseGameHistory(game)
8798 int fromX, fromY, toX, toY, boardIndex;
8803 if (appData.debugMode)
8804 fprintf(debugFP, "Parsing game history: %s\n", game);
8806 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8807 gameInfo.site = StrSave(appData.icsHost);
8808 gameInfo.date = PGNDate();
8809 gameInfo.round = StrSave("-");
8811 /* Parse out names of players */
8812 while (*game == ' ') game++;
8814 while (*game != ' ') *p++ = *game++;
8816 gameInfo.white = StrSave(buf);
8817 while (*game == ' ') game++;
8819 while (*game != ' ' && *game != '\n') *p++ = *game++;
8821 gameInfo.black = StrSave(buf);
8824 boardIndex = blackPlaysFirst ? 1 : 0;
8827 yyboardindex = boardIndex;
8828 moveType = (ChessMove) Myylex();
8830 case IllegalMove: /* maybe suicide chess, etc. */
8831 if (appData.debugMode) {
8832 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8833 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8834 setbuf(debugFP, NULL);
8836 case WhitePromotion:
8837 case BlackPromotion:
8838 case WhiteNonPromotion:
8839 case BlackNonPromotion:
8841 case WhiteCapturesEnPassant:
8842 case BlackCapturesEnPassant:
8843 case WhiteKingSideCastle:
8844 case WhiteQueenSideCastle:
8845 case BlackKingSideCastle:
8846 case BlackQueenSideCastle:
8847 case WhiteKingSideCastleWild:
8848 case WhiteQueenSideCastleWild:
8849 case BlackKingSideCastleWild:
8850 case BlackQueenSideCastleWild:
8852 case WhiteHSideCastleFR:
8853 case WhiteASideCastleFR:
8854 case BlackHSideCastleFR:
8855 case BlackASideCastleFR:
8857 fromX = currentMoveString[0] - AAA;
8858 fromY = currentMoveString[1] - ONE;
8859 toX = currentMoveString[2] - AAA;
8860 toY = currentMoveString[3] - ONE;
8861 promoChar = currentMoveString[4];
8865 fromX = moveType == WhiteDrop ?
8866 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8867 (int) CharToPiece(ToLower(currentMoveString[0]));
8869 toX = currentMoveString[2] - AAA;
8870 toY = currentMoveString[3] - ONE;
8871 promoChar = NULLCHAR;
8875 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8876 if (appData.debugMode) {
8877 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8878 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8879 setbuf(debugFP, NULL);
8881 DisplayError(buf, 0);
8883 case ImpossibleMove:
8885 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8886 if (appData.debugMode) {
8887 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8888 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8889 setbuf(debugFP, NULL);
8891 DisplayError(buf, 0);
8894 if (boardIndex < backwardMostMove) {
8895 /* Oops, gap. How did that happen? */
8896 DisplayError(_("Gap in move list"), 0);
8899 backwardMostMove = blackPlaysFirst ? 1 : 0;
8900 if (boardIndex > forwardMostMove) {
8901 forwardMostMove = boardIndex;
8905 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8906 strcat(parseList[boardIndex-1], " ");
8907 strcat(parseList[boardIndex-1], yy_text);
8919 case GameUnfinished:
8920 if (gameMode == IcsExamining) {
8921 if (boardIndex < backwardMostMove) {
8922 /* Oops, gap. How did that happen? */
8925 backwardMostMove = blackPlaysFirst ? 1 : 0;
8928 gameInfo.result = moveType;
8929 p = strchr(yy_text, '{');
8930 if (p == NULL) p = strchr(yy_text, '(');
8933 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8935 q = strchr(p, *p == '{' ? '}' : ')');
8936 if (q != NULL) *q = NULLCHAR;
8939 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8940 gameInfo.resultDetails = StrSave(p);
8943 if (boardIndex >= forwardMostMove &&
8944 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8945 backwardMostMove = blackPlaysFirst ? 1 : 0;
8948 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8949 fromY, fromX, toY, toX, promoChar,
8950 parseList[boardIndex]);
8951 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8952 /* currentMoveString is set as a side-effect of yylex */
8953 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8954 strcat(moveList[boardIndex], "\n");
8956 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8957 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8963 if(gameInfo.variant != VariantShogi)
8964 strcat(parseList[boardIndex - 1], "+");
8968 strcat(parseList[boardIndex - 1], "#");
8975 /* Apply a move to the given board */
8977 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8978 int fromX, fromY, toX, toY;
8982 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8983 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
8985 /* [HGM] compute & store e.p. status and castling rights for new position */
8986 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8988 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8989 oldEP = (signed char)board[EP_STATUS];
8990 board[EP_STATUS] = EP_NONE;
8992 if( board[toY][toX] != EmptySquare )
8993 board[EP_STATUS] = EP_CAPTURE;
8995 if (fromY == DROP_RANK) {
8997 piece = board[toY][toX] = (ChessSquare) fromX;
9001 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9002 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9003 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9005 if( board[fromY][fromX] == WhitePawn ) {
9006 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9007 board[EP_STATUS] = EP_PAWN_MOVE;
9009 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9010 gameInfo.variant != VariantBerolina || toX < fromX)
9011 board[EP_STATUS] = toX | berolina;
9012 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9013 gameInfo.variant != VariantBerolina || toX > fromX)
9014 board[EP_STATUS] = toX;
9017 if( board[fromY][fromX] == BlackPawn ) {
9018 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9019 board[EP_STATUS] = EP_PAWN_MOVE;
9020 if( toY-fromY== -2) {
9021 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9022 gameInfo.variant != VariantBerolina || toX < fromX)
9023 board[EP_STATUS] = toX | berolina;
9024 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9025 gameInfo.variant != VariantBerolina || toX > fromX)
9026 board[EP_STATUS] = toX;
9030 for(i=0; i<nrCastlingRights; i++) {
9031 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9032 board[CASTLING][i] == toX && castlingRank[i] == toY
9033 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9036 if (fromX == toX && fromY == toY) return;
9038 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9039 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9040 if(gameInfo.variant == VariantKnightmate)
9041 king += (int) WhiteUnicorn - (int) WhiteKing;
9043 /* Code added by Tord: */
9044 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9045 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9046 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9047 board[fromY][fromX] = EmptySquare;
9048 board[toY][toX] = EmptySquare;
9049 if((toX > fromX) != (piece == WhiteRook)) {
9050 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9052 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9054 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9055 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9056 board[fromY][fromX] = EmptySquare;
9057 board[toY][toX] = EmptySquare;
9058 if((toX > fromX) != (piece == BlackRook)) {
9059 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9061 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9063 /* End of code added by Tord */
9065 } else if (board[fromY][fromX] == king
9066 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9067 && toY == fromY && toX > fromX+1) {
9068 board[fromY][fromX] = EmptySquare;
9069 board[toY][toX] = king;
9070 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9071 board[fromY][BOARD_RGHT-1] = EmptySquare;
9072 } else if (board[fromY][fromX] == king
9073 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9074 && toY == fromY && toX < fromX-1) {
9075 board[fromY][fromX] = EmptySquare;
9076 board[toY][toX] = king;
9077 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9078 board[fromY][BOARD_LEFT] = EmptySquare;
9079 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9080 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9081 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9083 /* white pawn promotion */
9084 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9085 if(gameInfo.variant==VariantBughouse ||
9086 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9087 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9088 board[fromY][fromX] = EmptySquare;
9089 } else if ((fromY >= BOARD_HEIGHT>>1)
9091 && gameInfo.variant != VariantXiangqi
9092 && gameInfo.variant != VariantBerolina
9093 && (board[fromY][fromX] == WhitePawn)
9094 && (board[toY][toX] == EmptySquare)) {
9095 board[fromY][fromX] = EmptySquare;
9096 board[toY][toX] = WhitePawn;
9097 captured = board[toY - 1][toX];
9098 board[toY - 1][toX] = EmptySquare;
9099 } else if ((fromY == BOARD_HEIGHT-4)
9101 && gameInfo.variant == VariantBerolina
9102 && (board[fromY][fromX] == WhitePawn)
9103 && (board[toY][toX] == EmptySquare)) {
9104 board[fromY][fromX] = EmptySquare;
9105 board[toY][toX] = WhitePawn;
9106 if(oldEP & EP_BEROLIN_A) {
9107 captured = board[fromY][fromX-1];
9108 board[fromY][fromX-1] = EmptySquare;
9109 }else{ captured = board[fromY][fromX+1];
9110 board[fromY][fromX+1] = EmptySquare;
9112 } else if (board[fromY][fromX] == king
9113 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9114 && toY == fromY && toX > fromX+1) {
9115 board[fromY][fromX] = EmptySquare;
9116 board[toY][toX] = king;
9117 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9118 board[fromY][BOARD_RGHT-1] = EmptySquare;
9119 } else if (board[fromY][fromX] == king
9120 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9121 && toY == fromY && toX < fromX-1) {
9122 board[fromY][fromX] = EmptySquare;
9123 board[toY][toX] = king;
9124 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9125 board[fromY][BOARD_LEFT] = EmptySquare;
9126 } else if (fromY == 7 && fromX == 3
9127 && board[fromY][fromX] == BlackKing
9128 && toY == 7 && toX == 5) {
9129 board[fromY][fromX] = EmptySquare;
9130 board[toY][toX] = BlackKing;
9131 board[fromY][7] = EmptySquare;
9132 board[toY][4] = BlackRook;
9133 } else if (fromY == 7 && fromX == 3
9134 && board[fromY][fromX] == BlackKing
9135 && toY == 7 && toX == 1) {
9136 board[fromY][fromX] = EmptySquare;
9137 board[toY][toX] = BlackKing;
9138 board[fromY][0] = EmptySquare;
9139 board[toY][2] = BlackRook;
9140 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9141 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9142 && toY < promoRank && promoChar
9144 /* black pawn promotion */
9145 board[toY][toX] = CharToPiece(ToLower(promoChar));
9146 if(gameInfo.variant==VariantBughouse ||
9147 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9148 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9149 board[fromY][fromX] = EmptySquare;
9150 } else if ((fromY < BOARD_HEIGHT>>1)
9152 && gameInfo.variant != VariantXiangqi
9153 && gameInfo.variant != VariantBerolina
9154 && (board[fromY][fromX] == BlackPawn)
9155 && (board[toY][toX] == EmptySquare)) {
9156 board[fromY][fromX] = EmptySquare;
9157 board[toY][toX] = BlackPawn;
9158 captured = board[toY + 1][toX];
9159 board[toY + 1][toX] = EmptySquare;
9160 } else if ((fromY == 3)
9162 && gameInfo.variant == VariantBerolina
9163 && (board[fromY][fromX] == BlackPawn)
9164 && (board[toY][toX] == EmptySquare)) {
9165 board[fromY][fromX] = EmptySquare;
9166 board[toY][toX] = BlackPawn;
9167 if(oldEP & EP_BEROLIN_A) {
9168 captured = board[fromY][fromX-1];
9169 board[fromY][fromX-1] = EmptySquare;
9170 }else{ captured = board[fromY][fromX+1];
9171 board[fromY][fromX+1] = EmptySquare;
9174 board[toY][toX] = board[fromY][fromX];
9175 board[fromY][fromX] = EmptySquare;
9179 if (gameInfo.holdingsWidth != 0) {
9181 /* !!A lot more code needs to be written to support holdings */
9182 /* [HGM] OK, so I have written it. Holdings are stored in the */
9183 /* penultimate board files, so they are automaticlly stored */
9184 /* in the game history. */
9185 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9186 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9187 /* Delete from holdings, by decreasing count */
9188 /* and erasing image if necessary */
9189 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9190 if(p < (int) BlackPawn) { /* white drop */
9191 p -= (int)WhitePawn;
9192 p = PieceToNumber((ChessSquare)p);
9193 if(p >= gameInfo.holdingsSize) p = 0;
9194 if(--board[p][BOARD_WIDTH-2] <= 0)
9195 board[p][BOARD_WIDTH-1] = EmptySquare;
9196 if((int)board[p][BOARD_WIDTH-2] < 0)
9197 board[p][BOARD_WIDTH-2] = 0;
9198 } else { /* black drop */
9199 p -= (int)BlackPawn;
9200 p = PieceToNumber((ChessSquare)p);
9201 if(p >= gameInfo.holdingsSize) p = 0;
9202 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9203 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9204 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9205 board[BOARD_HEIGHT-1-p][1] = 0;
9208 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9209 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9210 /* [HGM] holdings: Add to holdings, if holdings exist */
9211 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9212 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9213 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9216 if (p >= (int) BlackPawn) {
9217 p -= (int)BlackPawn;
9218 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9219 /* in Shogi restore piece to its original first */
9220 captured = (ChessSquare) (DEMOTED captured);
9223 p = PieceToNumber((ChessSquare)p);
9224 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9225 board[p][BOARD_WIDTH-2]++;
9226 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9228 p -= (int)WhitePawn;
9229 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9230 captured = (ChessSquare) (DEMOTED captured);
9233 p = PieceToNumber((ChessSquare)p);
9234 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9235 board[BOARD_HEIGHT-1-p][1]++;
9236 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9239 } else if (gameInfo.variant == VariantAtomic) {
9240 if (captured != EmptySquare) {
9242 for (y = toY-1; y <= toY+1; y++) {
9243 for (x = toX-1; x <= toX+1; x++) {
9244 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9245 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9246 board[y][x] = EmptySquare;
9250 board[toY][toX] = EmptySquare;
9253 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9254 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9256 if(promoChar == '+') {
9257 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9258 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9259 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9260 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9262 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9263 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9264 // [HGM] superchess: take promotion piece out of holdings
9265 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9266 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9267 if(!--board[k][BOARD_WIDTH-2])
9268 board[k][BOARD_WIDTH-1] = EmptySquare;
9270 if(!--board[BOARD_HEIGHT-1-k][1])
9271 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9277 /* Updates forwardMostMove */
9279 MakeMove(fromX, fromY, toX, toY, promoChar)
9280 int fromX, fromY, toX, toY;
9283 // forwardMostMove++; // [HGM] bare: moved downstream
9285 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9286 int timeLeft; static int lastLoadFlag=0; int king, piece;
9287 piece = boards[forwardMostMove][fromY][fromX];
9288 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9289 if(gameInfo.variant == VariantKnightmate)
9290 king += (int) WhiteUnicorn - (int) WhiteKing;
9291 if(forwardMostMove == 0) {
9293 fprintf(serverMoves, "%s;", second.tidy);
9294 fprintf(serverMoves, "%s;", first.tidy);
9295 if(!blackPlaysFirst)
9296 fprintf(serverMoves, "%s;", second.tidy);
9297 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9298 lastLoadFlag = loadFlag;
9300 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9301 // print castling suffix
9302 if( toY == fromY && piece == king ) {
9304 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9306 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9309 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9310 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9311 boards[forwardMostMove][toY][toX] == EmptySquare
9312 && fromX != toX && fromY != toY)
9313 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9315 if(promoChar != NULLCHAR)
9316 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9318 fprintf(serverMoves, "/%d/%d",
9319 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9320 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9321 else timeLeft = blackTimeRemaining/1000;
9322 fprintf(serverMoves, "/%d", timeLeft);
9324 fflush(serverMoves);
9327 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9328 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9332 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9333 if (commentList[forwardMostMove+1] != NULL) {
9334 free(commentList[forwardMostMove+1]);
9335 commentList[forwardMostMove+1] = NULL;
9337 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9338 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9339 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9340 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9341 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9342 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9343 gameInfo.result = GameUnfinished;
9344 if (gameInfo.resultDetails != NULL) {
9345 free(gameInfo.resultDetails);
9346 gameInfo.resultDetails = NULL;
9348 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9349 moveList[forwardMostMove - 1]);
9350 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9351 PosFlags(forwardMostMove - 1),
9352 fromY, fromX, toY, toX, promoChar,
9353 parseList[forwardMostMove - 1]);
9354 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9360 if(gameInfo.variant != VariantShogi)
9361 strcat(parseList[forwardMostMove - 1], "+");
9365 strcat(parseList[forwardMostMove - 1], "#");
9368 if (appData.debugMode) {
9369 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9374 /* Updates currentMove if not pausing */
9376 ShowMove(fromX, fromY, toX, toY)
9378 int instant = (gameMode == PlayFromGameFile) ?
9379 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9380 if(appData.noGUI) return;
9381 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9383 if (forwardMostMove == currentMove + 1) {
9384 AnimateMove(boards[forwardMostMove - 1],
9385 fromX, fromY, toX, toY);
9387 if (appData.highlightLastMove) {
9388 SetHighlights(fromX, fromY, toX, toY);
9391 currentMove = forwardMostMove;
9394 if (instant) return;
9396 DisplayMove(currentMove - 1);
9397 DrawPosition(FALSE, boards[currentMove]);
9398 DisplayBothClocks();
9399 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9400 DisplayBook(currentMove);
9403 void SendEgtPath(ChessProgramState *cps)
9404 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9405 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9407 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9410 char c, *q = name+1, *r, *s;
9412 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9413 while(*p && *p != ',') *q++ = *p++;
9415 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9416 strcmp(name, ",nalimov:") == 0 ) {
9417 // take nalimov path from the menu-changeable option first, if it is defined
9418 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9419 SendToProgram(buf,cps); // send egtbpath command for nalimov
9421 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9422 (s = StrStr(appData.egtFormats, name)) != NULL) {
9423 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9424 s = r = StrStr(s, ":") + 1; // beginning of path info
9425 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9426 c = *r; *r = 0; // temporarily null-terminate path info
9427 *--q = 0; // strip of trailig ':' from name
9428 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9430 SendToProgram(buf,cps); // send egtbpath command for this format
9432 if(*p == ',') p++; // read away comma to position for next format name
9437 InitChessProgram(cps, setup)
9438 ChessProgramState *cps;
9439 int setup; /* [HGM] needed to setup FRC opening position */
9441 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9442 if (appData.noChessProgram) return;
9443 hintRequested = FALSE;
9444 bookRequested = FALSE;
9446 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9447 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9448 if(cps->memSize) { /* [HGM] memory */
9449 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9450 SendToProgram(buf, cps);
9452 SendEgtPath(cps); /* [HGM] EGT */
9453 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9454 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9455 SendToProgram(buf, cps);
9458 SendToProgram(cps->initString, cps);
9459 if (gameInfo.variant != VariantNormal &&
9460 gameInfo.variant != VariantLoadable
9461 /* [HGM] also send variant if board size non-standard */
9462 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9464 char *v = VariantName(gameInfo.variant);
9465 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9466 /* [HGM] in protocol 1 we have to assume all variants valid */
9467 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9468 DisplayFatalError(buf, 0, 1);
9472 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9473 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9474 if( gameInfo.variant == VariantXiangqi )
9475 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9476 if( gameInfo.variant == VariantShogi )
9477 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9478 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9479 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9480 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9481 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9482 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9483 if( gameInfo.variant == VariantCourier )
9484 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9485 if( gameInfo.variant == VariantSuper )
9486 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9487 if( gameInfo.variant == VariantGreat )
9488 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9489 if( gameInfo.variant == VariantSChess )
9490 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9491 if( gameInfo.variant == VariantGrand )
9492 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9495 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9496 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9497 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9498 if(StrStr(cps->variants, b) == NULL) {
9499 // specific sized variant not known, check if general sizing allowed
9500 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9501 if(StrStr(cps->variants, "boardsize") == NULL) {
9502 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9503 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9504 DisplayFatalError(buf, 0, 1);
9507 /* [HGM] here we really should compare with the maximum supported board size */
9510 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9511 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9512 SendToProgram(buf, cps);
9514 currentlyInitializedVariant = gameInfo.variant;
9516 /* [HGM] send opening position in FRC to first engine */
9518 SendToProgram("force\n", cps);
9520 /* engine is now in force mode! Set flag to wake it up after first move. */
9521 setboardSpoiledMachineBlack = 1;
9525 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9526 SendToProgram(buf, cps);
9528 cps->maybeThinking = FALSE;
9529 cps->offeredDraw = 0;
9530 if (!appData.icsActive) {
9531 SendTimeControl(cps, movesPerSession, timeControl,
9532 timeIncrement, appData.searchDepth,
9535 if (appData.showThinking
9536 // [HGM] thinking: four options require thinking output to be sent
9537 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9539 SendToProgram("post\n", cps);
9541 SendToProgram("hard\n", cps);
9542 if (!appData.ponderNextMove) {
9543 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9544 it without being sure what state we are in first. "hard"
9545 is not a toggle, so that one is OK.
9547 SendToProgram("easy\n", cps);
9550 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9551 SendToProgram(buf, cps);
9553 cps->initDone = TRUE;
9554 ClearEngineOutputPane(cps == &second);
9559 StartChessProgram(cps)
9560 ChessProgramState *cps;
9565 if (appData.noChessProgram) return;
9566 cps->initDone = FALSE;
9568 if (strcmp(cps->host, "localhost") == 0) {
9569 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9570 } else if (*appData.remoteShell == NULLCHAR) {
9571 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9573 if (*appData.remoteUser == NULLCHAR) {
9574 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9577 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9578 cps->host, appData.remoteUser, cps->program);
9580 err = StartChildProcess(buf, "", &cps->pr);
9584 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9585 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9586 if(cps != &first) return;
9587 appData.noChessProgram = TRUE;
9590 // DisplayFatalError(buf, err, 1);
9591 // cps->pr = NoProc;
9596 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9597 if (cps->protocolVersion > 1) {
9598 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9599 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9600 cps->comboCnt = 0; // and values of combo boxes
9601 SendToProgram(buf, cps);
9603 SendToProgram("xboard\n", cps);
9608 TwoMachinesEventIfReady P((void))
9610 static int curMess = 0;
9611 if (first.lastPing != first.lastPong) {
9612 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9613 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9616 if (second.lastPing != second.lastPong) {
9617 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9618 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9621 DisplayMessage("", ""); curMess = 0;
9627 MakeName(char *template)
9631 static char buf[MSG_SIZ];
9635 clock = time((time_t *)NULL);
9636 tm = localtime(&clock);
9638 while(*p++ = *template++) if(p[-1] == '%') {
9639 switch(*template++) {
9640 case 0: *p = 0; return buf;
9641 case 'Y': i = tm->tm_year+1900; break;
9642 case 'y': i = tm->tm_year-100; break;
9643 case 'M': i = tm->tm_mon+1; break;
9644 case 'd': i = tm->tm_mday; break;
9645 case 'h': i = tm->tm_hour; break;
9646 case 'm': i = tm->tm_min; break;
9647 case 's': i = tm->tm_sec; break;
9650 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9656 CountPlayers(char *p)
9659 while(p = strchr(p, '\n')) p++, n++; // count participants
9664 WriteTourneyFile(char *results)
9665 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9666 FILE *f = fopen(appData.tourneyFile, "w");
9667 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9668 // create a file with tournament description
9669 fprintf(f, "-participants {%s}\n", appData.participants);
9670 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9671 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9672 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9673 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9674 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9675 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9676 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9677 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9678 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9679 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9680 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9682 fprintf(f, "-searchTime \"%s\"\n", appData.searchTime);
9684 fprintf(f, "-mps %d\n", appData.movesPerSession);
9685 fprintf(f, "-tc %s\n", appData.timeControl);
9686 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9688 fprintf(f, "-results \"%s\"\n", results);
9694 CreateTourney(char *name)
9697 if(name[0] == NULLCHAR) {
9698 if(appData.participants[0])
9699 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9702 f = fopen(name, "r");
9703 if(f) { // file exists
9704 ASSIGN(appData.tourneyFile, name);
9705 ParseArgsFromFile(f); // parse it
9707 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9708 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9709 DisplayError(_("Not enough participants"), 0);
9712 ASSIGN(appData.tourneyFile, name);
9713 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9714 if((f = WriteTourneyFile("")) == NULL) return 0;
9717 appData.noChessProgram = FALSE;
9718 appData.clockMode = TRUE;
9723 #define MAXENGINES 1000
9724 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9726 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9728 char buf[MSG_SIZ], *p, *q;
9732 while(*p && *p != '\n') *q++ = *p++;
9734 if(engineList[i]) free(engineList[i]);
9735 engineList[i] = strdup(buf);
9737 TidyProgramName(engineList[i], "localhost", buf);
9738 if(engineMnemonic[i]) free(engineMnemonic[i]);
9739 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9741 sscanf(q + 8, "%s", buf + strlen(buf));
9744 engineMnemonic[i] = strdup(buf);
9746 if(i > MAXENGINES - 2) break;
9748 engineList[i] = NULL;
9751 // following implemented as macro to avoid type limitations
9752 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9754 void SwapEngines(int n)
9755 { // swap settings for first engine and other engine (so far only some selected options)
9760 SWAP(chessProgram, p)
9762 SWAP(hasOwnBookUCI, h)
9763 SWAP(protocolVersion, h)
9765 SWAP(scoreIsAbsolute, h)
9773 SetPlayer(int player)
9774 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9776 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9777 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9778 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9779 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9781 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9782 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9783 ParseArgsFromString(buf);
9789 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9790 { // determine players from game number
9791 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9793 if(appData.tourneyType == 0) {
9794 roundsPerCycle = (nPlayers - 1) | 1;
9795 pairingsPerRound = nPlayers / 2;
9796 } else if(appData.tourneyType > 0) {
9797 roundsPerCycle = nPlayers - appData.tourneyType;
9798 pairingsPerRound = appData.tourneyType;
9800 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9801 gamesPerCycle = gamesPerRound * roundsPerCycle;
9802 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9803 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9804 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9805 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9806 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9807 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9809 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9810 if(appData.roundSync) *syncInterval = gamesPerRound;
9812 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9814 if(appData.tourneyType == 0) {
9815 if(curPairing == (nPlayers-1)/2 ) {
9816 *whitePlayer = curRound;
9817 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9819 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9820 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9821 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9822 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9824 } else if(appData.tourneyType > 0) {
9825 *whitePlayer = curPairing;
9826 *blackPlayer = curRound + appData.tourneyType;
9829 // take care of white/black alternation per round.
9830 // For cycles and games this is already taken care of by default, derived from matchGame!
9831 return curRound & 1;
9835 NextTourneyGame(int nr, int *swapColors)
9836 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9838 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9840 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9841 tf = fopen(appData.tourneyFile, "r");
9842 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9843 ParseArgsFromFile(tf); fclose(tf);
9844 InitTimeControls(); // TC might be altered from tourney file
9846 nPlayers = CountPlayers(appData.participants); // count participants
9847 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9848 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9851 p = q = appData.results;
9852 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9853 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9854 DisplayMessage(_("Waiting for other game(s)"),"");
9855 waitingForGame = TRUE;
9856 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9859 waitingForGame = FALSE;
9862 if(appData.tourneyType < 0) {
9863 if(nr>=0 && !pairingReceived) {
9865 if(pairing.pr == NoProc) {
9866 if(!appData.pairingEngine[0]) {
9867 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9870 StartChessProgram(&pairing); // starts the pairing engine
9872 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9873 SendToProgram(buf, &pairing);
9874 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9875 SendToProgram(buf, &pairing);
9876 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
9878 pairingReceived = 0; // ... so we continue here
9880 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
9881 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
9882 matchGame = 1; roundNr = nr / syncInterval + 1;
9885 if(first.pr != NoProc) return 1; // engines already loaded
9887 // redefine engines, engine dir, etc.
9888 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9889 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9891 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9892 SwapEngines(1); // and make that valid for second engine by swapping
9893 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9894 InitEngine(&second, 1);
9895 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9896 UpdateLogos(FALSE); // leave display to ModeHiglight()
9902 { // performs game initialization that does not invoke engines, and then tries to start the game
9903 int firstWhite, swapColors = 0;
9904 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9905 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9906 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9907 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9908 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9909 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9910 Reset(FALSE, first.pr != NoProc);
9911 appData.noChessProgram = FALSE;
9912 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9916 void UserAdjudicationEvent( int result )
9918 ChessMove gameResult = GameIsDrawn;
9921 gameResult = WhiteWins;
9923 else if( result < 0 ) {
9924 gameResult = BlackWins;
9927 if( gameMode == TwoMachinesPlay ) {
9928 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9933 // [HGM] save: calculate checksum of game to make games easily identifiable
9934 int StringCheckSum(char *s)
9937 if(s==NULL) return 0;
9938 while(*s) i = i*259 + *s++;
9945 for(i=backwardMostMove; i<forwardMostMove; i++) {
9946 sum += pvInfoList[i].depth;
9947 sum += StringCheckSum(parseList[i]);
9948 sum += StringCheckSum(commentList[i]);
9951 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9952 return sum + StringCheckSum(commentList[i]);
9953 } // end of save patch
9956 GameEnds(result, resultDetails, whosays)
9958 char *resultDetails;
9961 GameMode nextGameMode;
9963 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9965 if(endingGame) return; /* [HGM] crash: forbid recursion */
9967 if(twoBoards) { // [HGM] dual: switch back to one board
9968 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9969 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9971 if (appData.debugMode) {
9972 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9973 result, resultDetails ? resultDetails : "(null)", whosays);
9976 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9978 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9979 /* If we are playing on ICS, the server decides when the
9980 game is over, but the engine can offer to draw, claim
9984 if (appData.zippyPlay && first.initDone) {
9985 if (result == GameIsDrawn) {
9986 /* In case draw still needs to be claimed */
9987 SendToICS(ics_prefix);
9988 SendToICS("draw\n");
9989 } else if (StrCaseStr(resultDetails, "resign")) {
9990 SendToICS(ics_prefix);
9991 SendToICS("resign\n");
9995 endingGame = 0; /* [HGM] crash */
9999 /* If we're loading the game from a file, stop */
10000 if (whosays == GE_FILE) {
10001 (void) StopLoadGameTimer();
10005 /* Cancel draw offers */
10006 first.offeredDraw = second.offeredDraw = 0;
10008 /* If this is an ICS game, only ICS can really say it's done;
10009 if not, anyone can. */
10010 isIcsGame = (gameMode == IcsPlayingWhite ||
10011 gameMode == IcsPlayingBlack ||
10012 gameMode == IcsObserving ||
10013 gameMode == IcsExamining);
10015 if (!isIcsGame || whosays == GE_ICS) {
10016 /* OK -- not an ICS game, or ICS said it was done */
10018 if (!isIcsGame && !appData.noChessProgram)
10019 SetUserThinkingEnables();
10021 /* [HGM] if a machine claims the game end we verify this claim */
10022 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10023 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10025 ChessMove trueResult = (ChessMove) -1;
10027 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10028 first.twoMachinesColor[0] :
10029 second.twoMachinesColor[0] ;
10031 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10032 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10033 /* [HGM] verify: engine mate claims accepted if they were flagged */
10034 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10036 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10037 /* [HGM] verify: engine mate claims accepted if they were flagged */
10038 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10040 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10041 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10044 // now verify win claims, but not in drop games, as we don't understand those yet
10045 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10046 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10047 (result == WhiteWins && claimer == 'w' ||
10048 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10049 if (appData.debugMode) {
10050 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10051 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10053 if(result != trueResult) {
10054 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10055 result = claimer == 'w' ? BlackWins : WhiteWins;
10056 resultDetails = buf;
10059 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10060 && (forwardMostMove <= backwardMostMove ||
10061 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10062 (claimer=='b')==(forwardMostMove&1))
10064 /* [HGM] verify: draws that were not flagged are false claims */
10065 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10066 result = claimer == 'w' ? BlackWins : WhiteWins;
10067 resultDetails = buf;
10069 /* (Claiming a loss is accepted no questions asked!) */
10071 /* [HGM] bare: don't allow bare King to win */
10072 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10073 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10074 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10075 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10076 && result != GameIsDrawn)
10077 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10078 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10079 int p = (signed char)boards[forwardMostMove][i][j] - color;
10080 if(p >= 0 && p <= (int)WhiteKing) k++;
10082 if (appData.debugMode) {
10083 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10084 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10087 result = GameIsDrawn;
10088 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10089 resultDetails = buf;
10095 if(serverMoves != NULL && !loadFlag) { char c = '=';
10096 if(result==WhiteWins) c = '+';
10097 if(result==BlackWins) c = '-';
10098 if(resultDetails != NULL)
10099 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10101 if (resultDetails != NULL) {
10102 gameInfo.result = result;
10103 gameInfo.resultDetails = StrSave(resultDetails);
10105 /* display last move only if game was not loaded from file */
10106 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10107 DisplayMove(currentMove - 1);
10109 if (forwardMostMove != 0) {
10110 if (gameMode != PlayFromGameFile && gameMode != EditGame
10111 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10113 if (*appData.saveGameFile != NULLCHAR) {
10114 SaveGameToFile(appData.saveGameFile, TRUE);
10115 } else if (appData.autoSaveGames) {
10118 if (*appData.savePositionFile != NULLCHAR) {
10119 SavePositionToFile(appData.savePositionFile);
10124 /* Tell program how game ended in case it is learning */
10125 /* [HGM] Moved this to after saving the PGN, just in case */
10126 /* engine died and we got here through time loss. In that */
10127 /* case we will get a fatal error writing the pipe, which */
10128 /* would otherwise lose us the PGN. */
10129 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10130 /* output during GameEnds should never be fatal anymore */
10131 if (gameMode == MachinePlaysWhite ||
10132 gameMode == MachinePlaysBlack ||
10133 gameMode == TwoMachinesPlay ||
10134 gameMode == IcsPlayingWhite ||
10135 gameMode == IcsPlayingBlack ||
10136 gameMode == BeginningOfGame) {
10138 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10140 if (first.pr != NoProc) {
10141 SendToProgram(buf, &first);
10143 if (second.pr != NoProc &&
10144 gameMode == TwoMachinesPlay) {
10145 SendToProgram(buf, &second);
10150 if (appData.icsActive) {
10151 if (appData.quietPlay &&
10152 (gameMode == IcsPlayingWhite ||
10153 gameMode == IcsPlayingBlack)) {
10154 SendToICS(ics_prefix);
10155 SendToICS("set shout 1\n");
10157 nextGameMode = IcsIdle;
10158 ics_user_moved = FALSE;
10159 /* clean up premove. It's ugly when the game has ended and the
10160 * premove highlights are still on the board.
10163 gotPremove = FALSE;
10164 ClearPremoveHighlights();
10165 DrawPosition(FALSE, boards[currentMove]);
10167 if (whosays == GE_ICS) {
10170 if (gameMode == IcsPlayingWhite)
10172 else if(gameMode == IcsPlayingBlack)
10173 PlayIcsLossSound();
10176 if (gameMode == IcsPlayingBlack)
10178 else if(gameMode == IcsPlayingWhite)
10179 PlayIcsLossSound();
10182 PlayIcsDrawSound();
10185 PlayIcsUnfinishedSound();
10188 } else if (gameMode == EditGame ||
10189 gameMode == PlayFromGameFile ||
10190 gameMode == AnalyzeMode ||
10191 gameMode == AnalyzeFile) {
10192 nextGameMode = gameMode;
10194 nextGameMode = EndOfGame;
10199 nextGameMode = gameMode;
10202 if (appData.noChessProgram) {
10203 gameMode = nextGameMode;
10205 endingGame = 0; /* [HGM] crash */
10210 /* Put first chess program into idle state */
10211 if (first.pr != NoProc &&
10212 (gameMode == MachinePlaysWhite ||
10213 gameMode == MachinePlaysBlack ||
10214 gameMode == TwoMachinesPlay ||
10215 gameMode == IcsPlayingWhite ||
10216 gameMode == IcsPlayingBlack ||
10217 gameMode == BeginningOfGame)) {
10218 SendToProgram("force\n", &first);
10219 if (first.usePing) {
10221 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10222 SendToProgram(buf, &first);
10225 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10226 /* Kill off first chess program */
10227 if (first.isr != NULL)
10228 RemoveInputSource(first.isr);
10231 if (first.pr != NoProc) {
10233 DoSleep( appData.delayBeforeQuit );
10234 SendToProgram("quit\n", &first);
10235 DoSleep( appData.delayAfterQuit );
10236 DestroyChildProcess(first.pr, first.useSigterm);
10240 if (second.reuse) {
10241 /* Put second chess program into idle state */
10242 if (second.pr != NoProc &&
10243 gameMode == TwoMachinesPlay) {
10244 SendToProgram("force\n", &second);
10245 if (second.usePing) {
10247 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10248 SendToProgram(buf, &second);
10251 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10252 /* Kill off second chess program */
10253 if (second.isr != NULL)
10254 RemoveInputSource(second.isr);
10257 if (second.pr != NoProc) {
10258 DoSleep( appData.delayBeforeQuit );
10259 SendToProgram("quit\n", &second);
10260 DoSleep( appData.delayAfterQuit );
10261 DestroyChildProcess(second.pr, second.useSigterm);
10263 second.pr = NoProc;
10266 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10267 char resChar = '=';
10271 if (first.twoMachinesColor[0] == 'w') {
10274 second.matchWins++;
10279 if (first.twoMachinesColor[0] == 'b') {
10282 second.matchWins++;
10285 case GameUnfinished:
10291 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10292 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10293 ReserveGame(nextGame, resChar); // sets nextGame
10294 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10295 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10296 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10298 if (nextGame <= appData.matchGames && !abortMatch) {
10299 gameMode = nextGameMode;
10300 matchGame = nextGame; // this will be overruled in tourney mode!
10301 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10302 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10303 endingGame = 0; /* [HGM] crash */
10306 gameMode = nextGameMode;
10307 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10308 first.tidy, second.tidy,
10309 first.matchWins, second.matchWins,
10310 appData.matchGames - (first.matchWins + second.matchWins));
10311 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10312 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10313 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10314 first.twoMachinesColor = "black\n";
10315 second.twoMachinesColor = "white\n";
10317 first.twoMachinesColor = "white\n";
10318 second.twoMachinesColor = "black\n";
10322 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10323 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10325 gameMode = nextGameMode;
10327 endingGame = 0; /* [HGM] crash */
10328 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10329 if(matchMode == TRUE) { // match through command line: exit with or without popup
10331 ToNrEvent(forwardMostMove);
10332 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10334 } else DisplayFatalError(buf, 0, 0);
10335 } else { // match through menu; just stop, with or without popup
10336 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10339 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10340 } else DisplayNote(buf);
10342 if(ranking) free(ranking);
10346 /* Assumes program was just initialized (initString sent).
10347 Leaves program in force mode. */
10349 FeedMovesToProgram(cps, upto)
10350 ChessProgramState *cps;
10355 if (appData.debugMode)
10356 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10357 startedFromSetupPosition ? "position and " : "",
10358 backwardMostMove, upto, cps->which);
10359 if(currentlyInitializedVariant != gameInfo.variant) {
10361 // [HGM] variantswitch: make engine aware of new variant
10362 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10363 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10364 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10365 SendToProgram(buf, cps);
10366 currentlyInitializedVariant = gameInfo.variant;
10368 SendToProgram("force\n", cps);
10369 if (startedFromSetupPosition) {
10370 SendBoard(cps, backwardMostMove);
10371 if (appData.debugMode) {
10372 fprintf(debugFP, "feedMoves\n");
10375 for (i = backwardMostMove; i < upto; i++) {
10376 SendMoveToProgram(i, cps);
10382 ResurrectChessProgram()
10384 /* The chess program may have exited.
10385 If so, restart it and feed it all the moves made so far. */
10386 static int doInit = 0;
10388 if (appData.noChessProgram) return 1;
10390 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10391 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10392 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10393 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10395 if (first.pr != NoProc) return 1;
10396 StartChessProgram(&first);
10398 InitChessProgram(&first, FALSE);
10399 FeedMovesToProgram(&first, currentMove);
10401 if (!first.sendTime) {
10402 /* can't tell gnuchess what its clock should read,
10403 so we bow to its notion. */
10405 timeRemaining[0][currentMove] = whiteTimeRemaining;
10406 timeRemaining[1][currentMove] = blackTimeRemaining;
10409 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10410 appData.icsEngineAnalyze) && first.analysisSupport) {
10411 SendToProgram("analyze\n", &first);
10412 first.analyzing = TRUE;
10418 * Button procedures
10421 Reset(redraw, init)
10426 if (appData.debugMode) {
10427 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10428 redraw, init, gameMode);
10430 CleanupTail(); // [HGM] vari: delete any stored variations
10431 pausing = pauseExamInvalid = FALSE;
10432 startedFromSetupPosition = blackPlaysFirst = FALSE;
10434 whiteFlag = blackFlag = FALSE;
10435 userOfferedDraw = FALSE;
10436 hintRequested = bookRequested = FALSE;
10437 first.maybeThinking = FALSE;
10438 second.maybeThinking = FALSE;
10439 first.bookSuspend = FALSE; // [HGM] book
10440 second.bookSuspend = FALSE;
10441 thinkOutput[0] = NULLCHAR;
10442 lastHint[0] = NULLCHAR;
10443 ClearGameInfo(&gameInfo);
10444 gameInfo.variant = StringToVariant(appData.variant);
10445 ics_user_moved = ics_clock_paused = FALSE;
10446 ics_getting_history = H_FALSE;
10448 white_holding[0] = black_holding[0] = NULLCHAR;
10449 ClearProgramStats();
10450 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10454 flipView = appData.flipView;
10455 ClearPremoveHighlights();
10456 gotPremove = FALSE;
10457 alarmSounded = FALSE;
10459 GameEnds(EndOfFile, NULL, GE_PLAYER);
10460 if(appData.serverMovesName != NULL) {
10461 /* [HGM] prepare to make moves file for broadcasting */
10462 clock_t t = clock();
10463 if(serverMoves != NULL) fclose(serverMoves);
10464 serverMoves = fopen(appData.serverMovesName, "r");
10465 if(serverMoves != NULL) {
10466 fclose(serverMoves);
10467 /* delay 15 sec before overwriting, so all clients can see end */
10468 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10470 serverMoves = fopen(appData.serverMovesName, "w");
10474 gameMode = BeginningOfGame;
10476 if(appData.icsActive) gameInfo.variant = VariantNormal;
10477 currentMove = forwardMostMove = backwardMostMove = 0;
10478 InitPosition(redraw);
10479 for (i = 0; i < MAX_MOVES; i++) {
10480 if (commentList[i] != NULL) {
10481 free(commentList[i]);
10482 commentList[i] = NULL;
10486 timeRemaining[0][0] = whiteTimeRemaining;
10487 timeRemaining[1][0] = blackTimeRemaining;
10489 if (first.pr == NULL) {
10490 StartChessProgram(&first);
10493 InitChessProgram(&first, startedFromSetupPosition);
10496 DisplayMessage("", "");
10497 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10498 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10505 if (!AutoPlayOneMove())
10507 if (matchMode || appData.timeDelay == 0)
10509 if (appData.timeDelay < 0)
10511 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10520 int fromX, fromY, toX, toY;
10522 if (appData.debugMode) {
10523 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10526 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10529 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10530 pvInfoList[currentMove].depth = programStats.depth;
10531 pvInfoList[currentMove].score = programStats.score;
10532 pvInfoList[currentMove].time = 0;
10533 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10536 if (currentMove >= forwardMostMove) {
10537 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10538 gameMode = EditGame;
10541 /* [AS] Clear current move marker at the end of a game */
10542 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10547 toX = moveList[currentMove][2] - AAA;
10548 toY = moveList[currentMove][3] - ONE;
10550 if (moveList[currentMove][1] == '@') {
10551 if (appData.highlightLastMove) {
10552 SetHighlights(-1, -1, toX, toY);
10555 fromX = moveList[currentMove][0] - AAA;
10556 fromY = moveList[currentMove][1] - ONE;
10558 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10560 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10562 if (appData.highlightLastMove) {
10563 SetHighlights(fromX, fromY, toX, toY);
10566 DisplayMove(currentMove);
10567 SendMoveToProgram(currentMove++, &first);
10568 DisplayBothClocks();
10569 DrawPosition(FALSE, boards[currentMove]);
10570 // [HGM] PV info: always display, routine tests if empty
10571 DisplayComment(currentMove - 1, commentList[currentMove]);
10577 LoadGameOneMove(readAhead)
10578 ChessMove readAhead;
10580 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10581 char promoChar = NULLCHAR;
10582 ChessMove moveType;
10583 char move[MSG_SIZ];
10586 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10587 gameMode != AnalyzeMode && gameMode != Training) {
10592 yyboardindex = forwardMostMove;
10593 if (readAhead != EndOfFile) {
10594 moveType = readAhead;
10596 if (gameFileFP == NULL)
10598 moveType = (ChessMove) Myylex();
10602 switch (moveType) {
10604 if (appData.debugMode)
10605 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10608 /* append the comment but don't display it */
10609 AppendComment(currentMove, p, FALSE);
10612 case WhiteCapturesEnPassant:
10613 case BlackCapturesEnPassant:
10614 case WhitePromotion:
10615 case BlackPromotion:
10616 case WhiteNonPromotion:
10617 case BlackNonPromotion:
10619 case WhiteKingSideCastle:
10620 case WhiteQueenSideCastle:
10621 case BlackKingSideCastle:
10622 case BlackQueenSideCastle:
10623 case WhiteKingSideCastleWild:
10624 case WhiteQueenSideCastleWild:
10625 case BlackKingSideCastleWild:
10626 case BlackQueenSideCastleWild:
10628 case WhiteHSideCastleFR:
10629 case WhiteASideCastleFR:
10630 case BlackHSideCastleFR:
10631 case BlackASideCastleFR:
10633 if (appData.debugMode)
10634 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10635 fromX = currentMoveString[0] - AAA;
10636 fromY = currentMoveString[1] - ONE;
10637 toX = currentMoveString[2] - AAA;
10638 toY = currentMoveString[3] - ONE;
10639 promoChar = currentMoveString[4];
10644 if (appData.debugMode)
10645 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10646 fromX = moveType == WhiteDrop ?
10647 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10648 (int) CharToPiece(ToLower(currentMoveString[0]));
10650 toX = currentMoveString[2] - AAA;
10651 toY = currentMoveString[3] - ONE;
10657 case GameUnfinished:
10658 if (appData.debugMode)
10659 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10660 p = strchr(yy_text, '{');
10661 if (p == NULL) p = strchr(yy_text, '(');
10664 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10666 q = strchr(p, *p == '{' ? '}' : ')');
10667 if (q != NULL) *q = NULLCHAR;
10670 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10671 GameEnds(moveType, p, GE_FILE);
10673 if (cmailMsgLoaded) {
10675 flipView = WhiteOnMove(currentMove);
10676 if (moveType == GameUnfinished) flipView = !flipView;
10677 if (appData.debugMode)
10678 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10683 if (appData.debugMode)
10684 fprintf(debugFP, "Parser hit end of file\n");
10685 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10691 if (WhiteOnMove(currentMove)) {
10692 GameEnds(BlackWins, "Black mates", GE_FILE);
10694 GameEnds(WhiteWins, "White mates", GE_FILE);
10698 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10704 case MoveNumberOne:
10705 if (lastLoadGameStart == GNUChessGame) {
10706 /* GNUChessGames have numbers, but they aren't move numbers */
10707 if (appData.debugMode)
10708 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10709 yy_text, (int) moveType);
10710 return LoadGameOneMove(EndOfFile); /* tail recursion */
10712 /* else fall thru */
10717 /* Reached start of next game in file */
10718 if (appData.debugMode)
10719 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10720 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10726 if (WhiteOnMove(currentMove)) {
10727 GameEnds(BlackWins, "Black mates", GE_FILE);
10729 GameEnds(WhiteWins, "White mates", GE_FILE);
10733 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10739 case PositionDiagram: /* should not happen; ignore */
10740 case ElapsedTime: /* ignore */
10741 case NAG: /* ignore */
10742 if (appData.debugMode)
10743 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10744 yy_text, (int) moveType);
10745 return LoadGameOneMove(EndOfFile); /* tail recursion */
10748 if (appData.testLegality) {
10749 if (appData.debugMode)
10750 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10751 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10752 (forwardMostMove / 2) + 1,
10753 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10754 DisplayError(move, 0);
10757 if (appData.debugMode)
10758 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10759 yy_text, currentMoveString);
10760 fromX = currentMoveString[0] - AAA;
10761 fromY = currentMoveString[1] - ONE;
10762 toX = currentMoveString[2] - AAA;
10763 toY = currentMoveString[3] - ONE;
10764 promoChar = currentMoveString[4];
10768 case AmbiguousMove:
10769 if (appData.debugMode)
10770 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10771 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10772 (forwardMostMove / 2) + 1,
10773 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10774 DisplayError(move, 0);
10779 case ImpossibleMove:
10780 if (appData.debugMode)
10781 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10782 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10783 (forwardMostMove / 2) + 1,
10784 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10785 DisplayError(move, 0);
10791 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10792 DrawPosition(FALSE, boards[currentMove]);
10793 DisplayBothClocks();
10794 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10795 DisplayComment(currentMove - 1, commentList[currentMove]);
10797 (void) StopLoadGameTimer();
10799 cmailOldMove = forwardMostMove;
10802 /* currentMoveString is set as a side-effect of yylex */
10804 thinkOutput[0] = NULLCHAR;
10805 MakeMove(fromX, fromY, toX, toY, promoChar);
10806 currentMove = forwardMostMove;
10811 /* Load the nth game from the given file */
10813 LoadGameFromFile(filename, n, title, useList)
10817 /*Boolean*/ int useList;
10822 if (strcmp(filename, "-") == 0) {
10826 f = fopen(filename, "rb");
10828 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10829 DisplayError(buf, errno);
10833 if (fseek(f, 0, 0) == -1) {
10834 /* f is not seekable; probably a pipe */
10837 if (useList && n == 0) {
10838 int error = GameListBuild(f);
10840 DisplayError(_("Cannot build game list"), error);
10841 } else if (!ListEmpty(&gameList) &&
10842 ((ListGame *) gameList.tailPred)->number > 1) {
10843 GameListPopUp(f, title);
10850 return LoadGame(f, n, title, FALSE);
10855 MakeRegisteredMove()
10857 int fromX, fromY, toX, toY;
10859 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10860 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10863 if (appData.debugMode)
10864 fprintf(debugFP, "Restoring %s for game %d\n",
10865 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10867 thinkOutput[0] = NULLCHAR;
10868 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10869 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10870 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10871 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10872 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10873 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10874 MakeMove(fromX, fromY, toX, toY, promoChar);
10875 ShowMove(fromX, fromY, toX, toY);
10877 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10884 if (WhiteOnMove(currentMove)) {
10885 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10887 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10892 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10899 if (WhiteOnMove(currentMove)) {
10900 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10902 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10907 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10918 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10920 CmailLoadGame(f, gameNumber, title, useList)
10928 if (gameNumber > nCmailGames) {
10929 DisplayError(_("No more games in this message"), 0);
10932 if (f == lastLoadGameFP) {
10933 int offset = gameNumber - lastLoadGameNumber;
10935 cmailMsg[0] = NULLCHAR;
10936 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10937 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10938 nCmailMovesRegistered--;
10940 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10941 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10942 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10945 if (! RegisterMove()) return FALSE;
10949 retVal = LoadGame(f, gameNumber, title, useList);
10951 /* Make move registered during previous look at this game, if any */
10952 MakeRegisteredMove();
10954 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10955 commentList[currentMove]
10956 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10957 DisplayComment(currentMove - 1, commentList[currentMove]);
10963 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10968 int gameNumber = lastLoadGameNumber + offset;
10969 if (lastLoadGameFP == NULL) {
10970 DisplayError(_("No game has been loaded yet"), 0);
10973 if (gameNumber <= 0) {
10974 DisplayError(_("Can't back up any further"), 0);
10977 if (cmailMsgLoaded) {
10978 return CmailLoadGame(lastLoadGameFP, gameNumber,
10979 lastLoadGameTitle, lastLoadGameUseList);
10981 return LoadGame(lastLoadGameFP, gameNumber,
10982 lastLoadGameTitle, lastLoadGameUseList);
10988 /* Load the nth game from open file f */
10990 LoadGame(f, gameNumber, title, useList)
10998 int gn = gameNumber;
10999 ListGame *lg = NULL;
11000 int numPGNTags = 0;
11002 GameMode oldGameMode;
11003 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11005 if (appData.debugMode)
11006 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11008 if (gameMode == Training )
11009 SetTrainingModeOff();
11011 oldGameMode = gameMode;
11012 if (gameMode != BeginningOfGame) {
11013 Reset(FALSE, TRUE);
11017 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11018 fclose(lastLoadGameFP);
11022 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11025 fseek(f, lg->offset, 0);
11026 GameListHighlight(gameNumber);
11030 DisplayError(_("Game number out of range"), 0);
11035 if (fseek(f, 0, 0) == -1) {
11036 if (f == lastLoadGameFP ?
11037 gameNumber == lastLoadGameNumber + 1 :
11041 DisplayError(_("Can't seek on game file"), 0);
11046 lastLoadGameFP = f;
11047 lastLoadGameNumber = gameNumber;
11048 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11049 lastLoadGameUseList = useList;
11053 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11054 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11055 lg->gameInfo.black);
11057 } else if (*title != NULLCHAR) {
11058 if (gameNumber > 1) {
11059 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11062 DisplayTitle(title);
11066 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11067 gameMode = PlayFromGameFile;
11071 currentMove = forwardMostMove = backwardMostMove = 0;
11072 CopyBoard(boards[0], initialPosition);
11076 * Skip the first gn-1 games in the file.
11077 * Also skip over anything that precedes an identifiable
11078 * start of game marker, to avoid being confused by
11079 * garbage at the start of the file. Currently
11080 * recognized start of game markers are the move number "1",
11081 * the pattern "gnuchess .* game", the pattern
11082 * "^[#;%] [^ ]* game file", and a PGN tag block.
11083 * A game that starts with one of the latter two patterns
11084 * will also have a move number 1, possibly
11085 * following a position diagram.
11086 * 5-4-02: Let's try being more lenient and allowing a game to
11087 * start with an unnumbered move. Does that break anything?
11089 cm = lastLoadGameStart = EndOfFile;
11091 yyboardindex = forwardMostMove;
11092 cm = (ChessMove) Myylex();
11095 if (cmailMsgLoaded) {
11096 nCmailGames = CMAIL_MAX_GAMES - gn;
11099 DisplayError(_("Game not found in file"), 0);
11106 lastLoadGameStart = cm;
11109 case MoveNumberOne:
11110 switch (lastLoadGameStart) {
11115 case MoveNumberOne:
11117 gn--; /* count this game */
11118 lastLoadGameStart = cm;
11127 switch (lastLoadGameStart) {
11130 case MoveNumberOne:
11132 gn--; /* count this game */
11133 lastLoadGameStart = cm;
11136 lastLoadGameStart = cm; /* game counted already */
11144 yyboardindex = forwardMostMove;
11145 cm = (ChessMove) Myylex();
11146 } while (cm == PGNTag || cm == Comment);
11153 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11154 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11155 != CMAIL_OLD_RESULT) {
11157 cmailResult[ CMAIL_MAX_GAMES
11158 - gn - 1] = CMAIL_OLD_RESULT;
11164 /* Only a NormalMove can be at the start of a game
11165 * without a position diagram. */
11166 if (lastLoadGameStart == EndOfFile ) {
11168 lastLoadGameStart = MoveNumberOne;
11177 if (appData.debugMode)
11178 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11180 if (cm == XBoardGame) {
11181 /* Skip any header junk before position diagram and/or move 1 */
11183 yyboardindex = forwardMostMove;
11184 cm = (ChessMove) Myylex();
11186 if (cm == EndOfFile ||
11187 cm == GNUChessGame || cm == XBoardGame) {
11188 /* Empty game; pretend end-of-file and handle later */
11193 if (cm == MoveNumberOne || cm == PositionDiagram ||
11194 cm == PGNTag || cm == Comment)
11197 } else if (cm == GNUChessGame) {
11198 if (gameInfo.event != NULL) {
11199 free(gameInfo.event);
11201 gameInfo.event = StrSave(yy_text);
11204 startedFromSetupPosition = FALSE;
11205 while (cm == PGNTag) {
11206 if (appData.debugMode)
11207 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11208 err = ParsePGNTag(yy_text, &gameInfo);
11209 if (!err) numPGNTags++;
11211 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11212 if(gameInfo.variant != oldVariant) {
11213 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11214 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11215 InitPosition(TRUE);
11216 oldVariant = gameInfo.variant;
11217 if (appData.debugMode)
11218 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11222 if (gameInfo.fen != NULL) {
11223 Board initial_position;
11224 startedFromSetupPosition = TRUE;
11225 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11227 DisplayError(_("Bad FEN position in file"), 0);
11230 CopyBoard(boards[0], initial_position);
11231 if (blackPlaysFirst) {
11232 currentMove = forwardMostMove = backwardMostMove = 1;
11233 CopyBoard(boards[1], initial_position);
11234 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11235 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11236 timeRemaining[0][1] = whiteTimeRemaining;
11237 timeRemaining[1][1] = blackTimeRemaining;
11238 if (commentList[0] != NULL) {
11239 commentList[1] = commentList[0];
11240 commentList[0] = NULL;
11243 currentMove = forwardMostMove = backwardMostMove = 0;
11245 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11247 initialRulePlies = FENrulePlies;
11248 for( i=0; i< nrCastlingRights; i++ )
11249 initialRights[i] = initial_position[CASTLING][i];
11251 yyboardindex = forwardMostMove;
11252 free(gameInfo.fen);
11253 gameInfo.fen = NULL;
11256 yyboardindex = forwardMostMove;
11257 cm = (ChessMove) Myylex();
11259 /* Handle comments interspersed among the tags */
11260 while (cm == Comment) {
11262 if (appData.debugMode)
11263 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11265 AppendComment(currentMove, p, FALSE);
11266 yyboardindex = forwardMostMove;
11267 cm = (ChessMove) Myylex();
11271 /* don't rely on existence of Event tag since if game was
11272 * pasted from clipboard the Event tag may not exist
11274 if (numPGNTags > 0){
11276 if (gameInfo.variant == VariantNormal) {
11277 VariantClass v = StringToVariant(gameInfo.event);
11278 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11279 if(v < VariantShogi) gameInfo.variant = v;
11282 if( appData.autoDisplayTags ) {
11283 tags = PGNTags(&gameInfo);
11284 TagsPopUp(tags, CmailMsg());
11289 /* Make something up, but don't display it now */
11294 if (cm == PositionDiagram) {
11297 Board initial_position;
11299 if (appData.debugMode)
11300 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11302 if (!startedFromSetupPosition) {
11304 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11305 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11316 initial_position[i][j++] = CharToPiece(*p);
11319 while (*p == ' ' || *p == '\t' ||
11320 *p == '\n' || *p == '\r') p++;
11322 if (strncmp(p, "black", strlen("black"))==0)
11323 blackPlaysFirst = TRUE;
11325 blackPlaysFirst = FALSE;
11326 startedFromSetupPosition = TRUE;
11328 CopyBoard(boards[0], initial_position);
11329 if (blackPlaysFirst) {
11330 currentMove = forwardMostMove = backwardMostMove = 1;
11331 CopyBoard(boards[1], initial_position);
11332 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11333 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11334 timeRemaining[0][1] = whiteTimeRemaining;
11335 timeRemaining[1][1] = blackTimeRemaining;
11336 if (commentList[0] != NULL) {
11337 commentList[1] = commentList[0];
11338 commentList[0] = NULL;
11341 currentMove = forwardMostMove = backwardMostMove = 0;
11344 yyboardindex = forwardMostMove;
11345 cm = (ChessMove) Myylex();
11348 if (first.pr == NoProc) {
11349 StartChessProgram(&first);
11351 InitChessProgram(&first, FALSE);
11352 SendToProgram("force\n", &first);
11353 if (startedFromSetupPosition) {
11354 SendBoard(&first, forwardMostMove);
11355 if (appData.debugMode) {
11356 fprintf(debugFP, "Load Game\n");
11358 DisplayBothClocks();
11361 /* [HGM] server: flag to write setup moves in broadcast file as one */
11362 loadFlag = appData.suppressLoadMoves;
11364 while (cm == Comment) {
11366 if (appData.debugMode)
11367 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11369 AppendComment(currentMove, p, FALSE);
11370 yyboardindex = forwardMostMove;
11371 cm = (ChessMove) Myylex();
11374 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11375 cm == WhiteWins || cm == BlackWins ||
11376 cm == GameIsDrawn || cm == GameUnfinished) {
11377 DisplayMessage("", _("No moves in game"));
11378 if (cmailMsgLoaded) {
11379 if (appData.debugMode)
11380 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11384 DrawPosition(FALSE, boards[currentMove]);
11385 DisplayBothClocks();
11386 gameMode = EditGame;
11393 // [HGM] PV info: routine tests if comment empty
11394 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11395 DisplayComment(currentMove - 1, commentList[currentMove]);
11397 if (!matchMode && appData.timeDelay != 0)
11398 DrawPosition(FALSE, boards[currentMove]);
11400 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11401 programStats.ok_to_send = 1;
11404 /* if the first token after the PGN tags is a move
11405 * and not move number 1, retrieve it from the parser
11407 if (cm != MoveNumberOne)
11408 LoadGameOneMove(cm);
11410 /* load the remaining moves from the file */
11411 while (LoadGameOneMove(EndOfFile)) {
11412 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11413 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11416 /* rewind to the start of the game */
11417 currentMove = backwardMostMove;
11419 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11421 if (oldGameMode == AnalyzeFile ||
11422 oldGameMode == AnalyzeMode) {
11423 AnalyzeFileEvent();
11426 if (matchMode || appData.timeDelay == 0) {
11428 gameMode = EditGame;
11430 } else if (appData.timeDelay > 0) {
11431 AutoPlayGameLoop();
11434 if (appData.debugMode)
11435 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11437 loadFlag = 0; /* [HGM] true game starts */
11441 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11443 ReloadPosition(offset)
11446 int positionNumber = lastLoadPositionNumber + offset;
11447 if (lastLoadPositionFP == NULL) {
11448 DisplayError(_("No position has been loaded yet"), 0);
11451 if (positionNumber <= 0) {
11452 DisplayError(_("Can't back up any further"), 0);
11455 return LoadPosition(lastLoadPositionFP, positionNumber,
11456 lastLoadPositionTitle);
11459 /* Load the nth position from the given file */
11461 LoadPositionFromFile(filename, n, title)
11469 if (strcmp(filename, "-") == 0) {
11470 return LoadPosition(stdin, n, "stdin");
11472 f = fopen(filename, "rb");
11474 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11475 DisplayError(buf, errno);
11478 return LoadPosition(f, n, title);
11483 /* Load the nth position from the given open file, and close it */
11485 LoadPosition(f, positionNumber, title)
11487 int positionNumber;
11490 char *p, line[MSG_SIZ];
11491 Board initial_position;
11492 int i, j, fenMode, pn;
11494 if (gameMode == Training )
11495 SetTrainingModeOff();
11497 if (gameMode != BeginningOfGame) {
11498 Reset(FALSE, TRUE);
11500 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11501 fclose(lastLoadPositionFP);
11503 if (positionNumber == 0) positionNumber = 1;
11504 lastLoadPositionFP = f;
11505 lastLoadPositionNumber = positionNumber;
11506 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11507 if (first.pr == NoProc) {
11508 StartChessProgram(&first);
11509 InitChessProgram(&first, FALSE);
11511 pn = positionNumber;
11512 if (positionNumber < 0) {
11513 /* Negative position number means to seek to that byte offset */
11514 if (fseek(f, -positionNumber, 0) == -1) {
11515 DisplayError(_("Can't seek on position file"), 0);
11520 if (fseek(f, 0, 0) == -1) {
11521 if (f == lastLoadPositionFP ?
11522 positionNumber == lastLoadPositionNumber + 1 :
11523 positionNumber == 1) {
11526 DisplayError(_("Can't seek on position file"), 0);
11531 /* See if this file is FEN or old-style xboard */
11532 if (fgets(line, MSG_SIZ, f) == NULL) {
11533 DisplayError(_("Position not found in file"), 0);
11536 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11537 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11540 if (fenMode || line[0] == '#') pn--;
11542 /* skip positions before number pn */
11543 if (fgets(line, MSG_SIZ, f) == NULL) {
11545 DisplayError(_("Position not found in file"), 0);
11548 if (fenMode || line[0] == '#') pn--;
11553 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11554 DisplayError(_("Bad FEN position in file"), 0);
11558 (void) fgets(line, MSG_SIZ, f);
11559 (void) fgets(line, MSG_SIZ, f);
11561 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11562 (void) fgets(line, MSG_SIZ, f);
11563 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11566 initial_position[i][j++] = CharToPiece(*p);
11570 blackPlaysFirst = FALSE;
11572 (void) fgets(line, MSG_SIZ, f);
11573 if (strncmp(line, "black", strlen("black"))==0)
11574 blackPlaysFirst = TRUE;
11577 startedFromSetupPosition = TRUE;
11579 SendToProgram("force\n", &first);
11580 CopyBoard(boards[0], initial_position);
11581 if (blackPlaysFirst) {
11582 currentMove = forwardMostMove = backwardMostMove = 1;
11583 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11584 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11585 CopyBoard(boards[1], initial_position);
11586 DisplayMessage("", _("Black to play"));
11588 currentMove = forwardMostMove = backwardMostMove = 0;
11589 DisplayMessage("", _("White to play"));
11591 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11592 SendBoard(&first, forwardMostMove);
11593 if (appData.debugMode) {
11595 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11596 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11597 fprintf(debugFP, "Load Position\n");
11600 if (positionNumber > 1) {
11601 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11602 DisplayTitle(line);
11604 DisplayTitle(title);
11606 gameMode = EditGame;
11609 timeRemaining[0][1] = whiteTimeRemaining;
11610 timeRemaining[1][1] = blackTimeRemaining;
11611 DrawPosition(FALSE, boards[currentMove]);
11618 CopyPlayerNameIntoFileName(dest, src)
11621 while (*src != NULLCHAR && *src != ',') {
11626 *(*dest)++ = *src++;
11631 char *DefaultFileName(ext)
11634 static char def[MSG_SIZ];
11637 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11639 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11641 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11643 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11650 /* Save the current game to the given file */
11652 SaveGameToFile(filename, append)
11660 if (strcmp(filename, "-") == 0) {
11661 return SaveGame(stdout, 0, NULL);
11663 f = fopen(filename, append ? "a" : "w");
11665 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11666 DisplayError(buf, errno);
11669 safeStrCpy(buf, lastMsg, MSG_SIZ);
11670 DisplayMessage(_("Waiting for access to save file"), "");
11671 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11672 DisplayMessage(_("Saving game"), "");
11673 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11674 result = SaveGame(f, 0, NULL);
11675 DisplayMessage(buf, "");
11685 static char buf[MSG_SIZ];
11688 p = strchr(str, ' ');
11689 if (p == NULL) return str;
11690 strncpy(buf, str, p - str);
11691 buf[p - str] = NULLCHAR;
11695 #define PGN_MAX_LINE 75
11697 #define PGN_SIDE_WHITE 0
11698 #define PGN_SIDE_BLACK 1
11701 static int FindFirstMoveOutOfBook( int side )
11705 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11706 int index = backwardMostMove;
11707 int has_book_hit = 0;
11709 if( (index % 2) != side ) {
11713 while( index < forwardMostMove ) {
11714 /* Check to see if engine is in book */
11715 int depth = pvInfoList[index].depth;
11716 int score = pvInfoList[index].score;
11722 else if( score == 0 && depth == 63 ) {
11723 in_book = 1; /* Zappa */
11725 else if( score == 2 && depth == 99 ) {
11726 in_book = 1; /* Abrok */
11729 has_book_hit += in_book;
11745 void GetOutOfBookInfo( char * buf )
11749 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11751 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11752 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11756 if( oob[0] >= 0 || oob[1] >= 0 ) {
11757 for( i=0; i<2; i++ ) {
11761 if( i > 0 && oob[0] >= 0 ) {
11762 strcat( buf, " " );
11765 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11766 sprintf( buf+strlen(buf), "%s%.2f",
11767 pvInfoList[idx].score >= 0 ? "+" : "",
11768 pvInfoList[idx].score / 100.0 );
11774 /* Save game in PGN style and close the file */
11779 int i, offset, linelen, newblock;
11783 int movelen, numlen, blank;
11784 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11786 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11788 tm = time((time_t *) NULL);
11790 PrintPGNTags(f, &gameInfo);
11792 if (backwardMostMove > 0 || startedFromSetupPosition) {
11793 char *fen = PositionToFEN(backwardMostMove, NULL);
11794 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11795 fprintf(f, "\n{--------------\n");
11796 PrintPosition(f, backwardMostMove);
11797 fprintf(f, "--------------}\n");
11801 /* [AS] Out of book annotation */
11802 if( appData.saveOutOfBookInfo ) {
11805 GetOutOfBookInfo( buf );
11807 if( buf[0] != '\0' ) {
11808 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11815 i = backwardMostMove;
11819 while (i < forwardMostMove) {
11820 /* Print comments preceding this move */
11821 if (commentList[i] != NULL) {
11822 if (linelen > 0) fprintf(f, "\n");
11823 fprintf(f, "%s", commentList[i]);
11828 /* Format move number */
11830 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11833 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11835 numtext[0] = NULLCHAR;
11837 numlen = strlen(numtext);
11840 /* Print move number */
11841 blank = linelen > 0 && numlen > 0;
11842 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11851 fprintf(f, "%s", numtext);
11855 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11856 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11859 blank = linelen > 0 && movelen > 0;
11860 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11869 fprintf(f, "%s", move_buffer);
11870 linelen += movelen;
11872 /* [AS] Add PV info if present */
11873 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11874 /* [HGM] add time */
11875 char buf[MSG_SIZ]; int seconds;
11877 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11883 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11886 seconds = (seconds + 4)/10; // round to full seconds
11888 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11890 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11893 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11894 pvInfoList[i].score >= 0 ? "+" : "",
11895 pvInfoList[i].score / 100.0,
11896 pvInfoList[i].depth,
11899 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11901 /* Print score/depth */
11902 blank = linelen > 0 && movelen > 0;
11903 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11912 fprintf(f, "%s", move_buffer);
11913 linelen += movelen;
11919 /* Start a new line */
11920 if (linelen > 0) fprintf(f, "\n");
11922 /* Print comments after last move */
11923 if (commentList[i] != NULL) {
11924 fprintf(f, "%s\n", commentList[i]);
11928 if (gameInfo.resultDetails != NULL &&
11929 gameInfo.resultDetails[0] != NULLCHAR) {
11930 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11931 PGNResult(gameInfo.result));
11933 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11937 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11941 /* Save game in old style and close the file */
11943 SaveGameOldStyle(f)
11949 tm = time((time_t *) NULL);
11951 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11954 if (backwardMostMove > 0 || startedFromSetupPosition) {
11955 fprintf(f, "\n[--------------\n");
11956 PrintPosition(f, backwardMostMove);
11957 fprintf(f, "--------------]\n");
11962 i = backwardMostMove;
11963 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11965 while (i < forwardMostMove) {
11966 if (commentList[i] != NULL) {
11967 fprintf(f, "[%s]\n", commentList[i]);
11970 if ((i % 2) == 1) {
11971 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11974 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11976 if (commentList[i] != NULL) {
11980 if (i >= forwardMostMove) {
11984 fprintf(f, "%s\n", parseList[i]);
11989 if (commentList[i] != NULL) {
11990 fprintf(f, "[%s]\n", commentList[i]);
11993 /* This isn't really the old style, but it's close enough */
11994 if (gameInfo.resultDetails != NULL &&
11995 gameInfo.resultDetails[0] != NULLCHAR) {
11996 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11997 gameInfo.resultDetails);
11999 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12006 /* Save the current game to open file f and close the file */
12008 SaveGame(f, dummy, dummy2)
12013 if (gameMode == EditPosition) EditPositionDone(TRUE);
12014 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12015 if (appData.oldSaveStyle)
12016 return SaveGameOldStyle(f);
12018 return SaveGamePGN(f);
12021 /* Save the current position to the given file */
12023 SavePositionToFile(filename)
12029 if (strcmp(filename, "-") == 0) {
12030 return SavePosition(stdout, 0, NULL);
12032 f = fopen(filename, "a");
12034 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12035 DisplayError(buf, errno);
12038 safeStrCpy(buf, lastMsg, MSG_SIZ);
12039 DisplayMessage(_("Waiting for access to save file"), "");
12040 flock(fileno(f), LOCK_EX); // [HGM] lock
12041 DisplayMessage(_("Saving position"), "");
12042 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12043 SavePosition(f, 0, NULL);
12044 DisplayMessage(buf, "");
12050 /* Save the current position to the given open file and close the file */
12052 SavePosition(f, dummy, dummy2)
12060 if (gameMode == EditPosition) EditPositionDone(TRUE);
12061 if (appData.oldSaveStyle) {
12062 tm = time((time_t *) NULL);
12064 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12066 fprintf(f, "[--------------\n");
12067 PrintPosition(f, currentMove);
12068 fprintf(f, "--------------]\n");
12070 fen = PositionToFEN(currentMove, NULL);
12071 fprintf(f, "%s\n", fen);
12079 ReloadCmailMsgEvent(unregister)
12083 static char *inFilename = NULL;
12084 static char *outFilename;
12086 struct stat inbuf, outbuf;
12089 /* Any registered moves are unregistered if unregister is set, */
12090 /* i.e. invoked by the signal handler */
12092 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12093 cmailMoveRegistered[i] = FALSE;
12094 if (cmailCommentList[i] != NULL) {
12095 free(cmailCommentList[i]);
12096 cmailCommentList[i] = NULL;
12099 nCmailMovesRegistered = 0;
12102 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12103 cmailResult[i] = CMAIL_NOT_RESULT;
12107 if (inFilename == NULL) {
12108 /* Because the filenames are static they only get malloced once */
12109 /* and they never get freed */
12110 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12111 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12113 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12114 sprintf(outFilename, "%s.out", appData.cmailGameName);
12117 status = stat(outFilename, &outbuf);
12119 cmailMailedMove = FALSE;
12121 status = stat(inFilename, &inbuf);
12122 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12125 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12126 counts the games, notes how each one terminated, etc.
12128 It would be nice to remove this kludge and instead gather all
12129 the information while building the game list. (And to keep it
12130 in the game list nodes instead of having a bunch of fixed-size
12131 parallel arrays.) Note this will require getting each game's
12132 termination from the PGN tags, as the game list builder does
12133 not process the game moves. --mann
12135 cmailMsgLoaded = TRUE;
12136 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12138 /* Load first game in the file or popup game menu */
12139 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12141 #endif /* !WIN32 */
12149 char string[MSG_SIZ];
12151 if ( cmailMailedMove
12152 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12153 return TRUE; /* Allow free viewing */
12156 /* Unregister move to ensure that we don't leave RegisterMove */
12157 /* with the move registered when the conditions for registering no */
12159 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12160 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12161 nCmailMovesRegistered --;
12163 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12165 free(cmailCommentList[lastLoadGameNumber - 1]);
12166 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12170 if (cmailOldMove == -1) {
12171 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12175 if (currentMove > cmailOldMove + 1) {
12176 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12180 if (currentMove < cmailOldMove) {
12181 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12185 if (forwardMostMove > currentMove) {
12186 /* Silently truncate extra moves */
12190 if ( (currentMove == cmailOldMove + 1)
12191 || ( (currentMove == cmailOldMove)
12192 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12193 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12194 if (gameInfo.result != GameUnfinished) {
12195 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12198 if (commentList[currentMove] != NULL) {
12199 cmailCommentList[lastLoadGameNumber - 1]
12200 = StrSave(commentList[currentMove]);
12202 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12204 if (appData.debugMode)
12205 fprintf(debugFP, "Saving %s for game %d\n",
12206 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12208 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12210 f = fopen(string, "w");
12211 if (appData.oldSaveStyle) {
12212 SaveGameOldStyle(f); /* also closes the file */
12214 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12215 f = fopen(string, "w");
12216 SavePosition(f, 0, NULL); /* also closes the file */
12218 fprintf(f, "{--------------\n");
12219 PrintPosition(f, currentMove);
12220 fprintf(f, "--------------}\n\n");
12222 SaveGame(f, 0, NULL); /* also closes the file*/
12225 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12226 nCmailMovesRegistered ++;
12227 } else if (nCmailGames == 1) {
12228 DisplayError(_("You have not made a move yet"), 0);
12239 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12240 FILE *commandOutput;
12241 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12242 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12248 if (! cmailMsgLoaded) {
12249 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12253 if (nCmailGames == nCmailResults) {
12254 DisplayError(_("No unfinished games"), 0);
12258 #if CMAIL_PROHIBIT_REMAIL
12259 if (cmailMailedMove) {
12260 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);
12261 DisplayError(msg, 0);
12266 if (! (cmailMailedMove || RegisterMove())) return;
12268 if ( cmailMailedMove
12269 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12270 snprintf(string, MSG_SIZ, partCommandString,
12271 appData.debugMode ? " -v" : "", appData.cmailGameName);
12272 commandOutput = popen(string, "r");
12274 if (commandOutput == NULL) {
12275 DisplayError(_("Failed to invoke cmail"), 0);
12277 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12278 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12280 if (nBuffers > 1) {
12281 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12282 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12283 nBytes = MSG_SIZ - 1;
12285 (void) memcpy(msg, buffer, nBytes);
12287 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12289 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12290 cmailMailedMove = TRUE; /* Prevent >1 moves */
12293 for (i = 0; i < nCmailGames; i ++) {
12294 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12299 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12301 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12303 appData.cmailGameName,
12305 LoadGameFromFile(buffer, 1, buffer, FALSE);
12306 cmailMsgLoaded = FALSE;
12310 DisplayInformation(msg);
12311 pclose(commandOutput);
12314 if ((*cmailMsg) != '\0') {
12315 DisplayInformation(cmailMsg);
12320 #endif /* !WIN32 */
12329 int prependComma = 0;
12331 char string[MSG_SIZ]; /* Space for game-list */
12334 if (!cmailMsgLoaded) return "";
12336 if (cmailMailedMove) {
12337 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12339 /* Create a list of games left */
12340 snprintf(string, MSG_SIZ, "[");
12341 for (i = 0; i < nCmailGames; i ++) {
12342 if (! ( cmailMoveRegistered[i]
12343 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12344 if (prependComma) {
12345 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12347 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12351 strcat(string, number);
12354 strcat(string, "]");
12356 if (nCmailMovesRegistered + nCmailResults == 0) {
12357 switch (nCmailGames) {
12359 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12363 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12367 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12372 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12374 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12379 if (nCmailResults == nCmailGames) {
12380 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12382 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12387 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12399 if (gameMode == Training)
12400 SetTrainingModeOff();
12403 cmailMsgLoaded = FALSE;
12404 if (appData.icsActive) {
12405 SendToICS(ics_prefix);
12406 SendToICS("refresh\n");
12416 /* Give up on clean exit */
12420 /* Keep trying for clean exit */
12424 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12426 if (telnetISR != NULL) {
12427 RemoveInputSource(telnetISR);
12429 if (icsPR != NoProc) {
12430 DestroyChildProcess(icsPR, TRUE);
12433 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12434 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12436 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12437 /* make sure this other one finishes before killing it! */
12438 if(endingGame) { int count = 0;
12439 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12440 while(endingGame && count++ < 10) DoSleep(1);
12441 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12444 /* Kill off chess programs */
12445 if (first.pr != NoProc) {
12448 DoSleep( appData.delayBeforeQuit );
12449 SendToProgram("quit\n", &first);
12450 DoSleep( appData.delayAfterQuit );
12451 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12453 if (second.pr != NoProc) {
12454 DoSleep( appData.delayBeforeQuit );
12455 SendToProgram("quit\n", &second);
12456 DoSleep( appData.delayAfterQuit );
12457 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12459 if (first.isr != NULL) {
12460 RemoveInputSource(first.isr);
12462 if (second.isr != NULL) {
12463 RemoveInputSource(second.isr);
12466 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12467 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12469 ShutDownFrontEnd();
12476 if (appData.debugMode)
12477 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12481 if (gameMode == MachinePlaysWhite ||
12482 gameMode == MachinePlaysBlack) {
12485 DisplayBothClocks();
12487 if (gameMode == PlayFromGameFile) {
12488 if (appData.timeDelay >= 0)
12489 AutoPlayGameLoop();
12490 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12491 Reset(FALSE, TRUE);
12492 SendToICS(ics_prefix);
12493 SendToICS("refresh\n");
12494 } else if (currentMove < forwardMostMove) {
12495 ForwardInner(forwardMostMove);
12497 pauseExamInvalid = FALSE;
12499 switch (gameMode) {
12503 pauseExamForwardMostMove = forwardMostMove;
12504 pauseExamInvalid = FALSE;
12507 case IcsPlayingWhite:
12508 case IcsPlayingBlack:
12512 case PlayFromGameFile:
12513 (void) StopLoadGameTimer();
12517 case BeginningOfGame:
12518 if (appData.icsActive) return;
12519 /* else fall through */
12520 case MachinePlaysWhite:
12521 case MachinePlaysBlack:
12522 case TwoMachinesPlay:
12523 if (forwardMostMove == 0)
12524 return; /* don't pause if no one has moved */
12525 if ((gameMode == MachinePlaysWhite &&
12526 !WhiteOnMove(forwardMostMove)) ||
12527 (gameMode == MachinePlaysBlack &&
12528 WhiteOnMove(forwardMostMove))) {
12541 char title[MSG_SIZ];
12543 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12544 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12546 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12547 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12548 parseList[currentMove - 1]);
12551 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12558 char *tags = PGNTags(&gameInfo);
12560 EditTagsPopUp(tags, NULL);
12567 if (appData.noChessProgram || gameMode == AnalyzeMode)
12570 if (gameMode != AnalyzeFile) {
12571 if (!appData.icsEngineAnalyze) {
12573 if (gameMode != EditGame) return;
12575 ResurrectChessProgram();
12576 SendToProgram("analyze\n", &first);
12577 first.analyzing = TRUE;
12578 /*first.maybeThinking = TRUE;*/
12579 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12580 EngineOutputPopUp();
12582 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12587 StartAnalysisClock();
12588 GetTimeMark(&lastNodeCountTime);
12595 if (appData.noChessProgram || gameMode == AnalyzeFile)
12598 if (gameMode != AnalyzeMode) {
12600 if (gameMode != EditGame) return;
12601 ResurrectChessProgram();
12602 SendToProgram("analyze\n", &first);
12603 first.analyzing = TRUE;
12604 /*first.maybeThinking = TRUE;*/
12605 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12606 EngineOutputPopUp();
12608 gameMode = AnalyzeFile;
12613 StartAnalysisClock();
12614 GetTimeMark(&lastNodeCountTime);
12619 MachineWhiteEvent()
12622 char *bookHit = NULL;
12624 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12628 if (gameMode == PlayFromGameFile ||
12629 gameMode == TwoMachinesPlay ||
12630 gameMode == Training ||
12631 gameMode == AnalyzeMode ||
12632 gameMode == EndOfGame)
12635 if (gameMode == EditPosition)
12636 EditPositionDone(TRUE);
12638 if (!WhiteOnMove(currentMove)) {
12639 DisplayError(_("It is not White's turn"), 0);
12643 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12646 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12647 gameMode == AnalyzeFile)
12650 ResurrectChessProgram(); /* in case it isn't running */
12651 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12652 gameMode = MachinePlaysWhite;
12655 gameMode = MachinePlaysWhite;
12659 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12661 if (first.sendName) {
12662 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12663 SendToProgram(buf, &first);
12665 if (first.sendTime) {
12666 if (first.useColors) {
12667 SendToProgram("black\n", &first); /*gnu kludge*/
12669 SendTimeRemaining(&first, TRUE);
12671 if (first.useColors) {
12672 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12674 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12675 SetMachineThinkingEnables();
12676 first.maybeThinking = TRUE;
12680 if (appData.autoFlipView && !flipView) {
12681 flipView = !flipView;
12682 DrawPosition(FALSE, NULL);
12683 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12686 if(bookHit) { // [HGM] book: simulate book reply
12687 static char bookMove[MSG_SIZ]; // a bit generous?
12689 programStats.nodes = programStats.depth = programStats.time =
12690 programStats.score = programStats.got_only_move = 0;
12691 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12693 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12694 strcat(bookMove, bookHit);
12695 HandleMachineMove(bookMove, &first);
12700 MachineBlackEvent()
12703 char *bookHit = NULL;
12705 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12709 if (gameMode == PlayFromGameFile ||
12710 gameMode == TwoMachinesPlay ||
12711 gameMode == Training ||
12712 gameMode == AnalyzeMode ||
12713 gameMode == EndOfGame)
12716 if (gameMode == EditPosition)
12717 EditPositionDone(TRUE);
12719 if (WhiteOnMove(currentMove)) {
12720 DisplayError(_("It is not Black's turn"), 0);
12724 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12727 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12728 gameMode == AnalyzeFile)
12731 ResurrectChessProgram(); /* in case it isn't running */
12732 gameMode = MachinePlaysBlack;
12736 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12738 if (first.sendName) {
12739 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12740 SendToProgram(buf, &first);
12742 if (first.sendTime) {
12743 if (first.useColors) {
12744 SendToProgram("white\n", &first); /*gnu kludge*/
12746 SendTimeRemaining(&first, FALSE);
12748 if (first.useColors) {
12749 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12751 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12752 SetMachineThinkingEnables();
12753 first.maybeThinking = TRUE;
12756 if (appData.autoFlipView && flipView) {
12757 flipView = !flipView;
12758 DrawPosition(FALSE, NULL);
12759 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12761 if(bookHit) { // [HGM] book: simulate book reply
12762 static char bookMove[MSG_SIZ]; // a bit generous?
12764 programStats.nodes = programStats.depth = programStats.time =
12765 programStats.score = programStats.got_only_move = 0;
12766 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12768 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12769 strcat(bookMove, bookHit);
12770 HandleMachineMove(bookMove, &first);
12776 DisplayTwoMachinesTitle()
12779 if (appData.matchGames > 0) {
12780 if(appData.tourneyFile[0]) {
12781 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
12782 gameInfo.white, gameInfo.black,
12783 nextGame+1, appData.matchGames+1,
12784 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
12786 if (first.twoMachinesColor[0] == 'w') {
12787 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12788 gameInfo.white, gameInfo.black,
12789 first.matchWins, second.matchWins,
12790 matchGame - 1 - (first.matchWins + second.matchWins));
12792 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12793 gameInfo.white, gameInfo.black,
12794 second.matchWins, first.matchWins,
12795 matchGame - 1 - (first.matchWins + second.matchWins));
12798 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12804 SettingsMenuIfReady()
12806 if (second.lastPing != second.lastPong) {
12807 DisplayMessage("", _("Waiting for second chess program"));
12808 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12812 DisplayMessage("", "");
12813 SettingsPopUp(&second);
12817 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12820 if (cps->pr == NULL) {
12821 StartChessProgram(cps);
12822 if (cps->protocolVersion == 1) {
12825 /* kludge: allow timeout for initial "feature" command */
12827 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12828 DisplayMessage("", buf);
12829 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12837 TwoMachinesEvent P((void))
12841 ChessProgramState *onmove;
12842 char *bookHit = NULL;
12843 static int stalling = 0;
12847 if (appData.noChessProgram) return;
12849 switch (gameMode) {
12850 case TwoMachinesPlay:
12852 case MachinePlaysWhite:
12853 case MachinePlaysBlack:
12854 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12855 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12859 case BeginningOfGame:
12860 case PlayFromGameFile:
12863 if (gameMode != EditGame) return;
12866 EditPositionDone(TRUE);
12877 // forwardMostMove = currentMove;
12878 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12880 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12882 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12883 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12884 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12888 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12889 SendToProgram("force\n", &second);
12891 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12894 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12895 if(appData.matchPause>10000 || appData.matchPause<10)
12896 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12897 wait = SubtractTimeMarks(&now, &pauseStart);
12898 if(wait < appData.matchPause) {
12899 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12903 DisplayMessage("", "");
12904 if (startedFromSetupPosition) {
12905 SendBoard(&second, backwardMostMove);
12906 if (appData.debugMode) {
12907 fprintf(debugFP, "Two Machines\n");
12910 for (i = backwardMostMove; i < forwardMostMove; i++) {
12911 SendMoveToProgram(i, &second);
12914 gameMode = TwoMachinesPlay;
12916 ModeHighlight(); // [HGM] logo: this triggers display update of logos
12918 DisplayTwoMachinesTitle();
12920 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12925 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12926 SendToProgram(first.computerString, &first);
12927 if (first.sendName) {
12928 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12929 SendToProgram(buf, &first);
12931 SendToProgram(second.computerString, &second);
12932 if (second.sendName) {
12933 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12934 SendToProgram(buf, &second);
12938 if (!first.sendTime || !second.sendTime) {
12939 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12940 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12942 if (onmove->sendTime) {
12943 if (onmove->useColors) {
12944 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12946 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12948 if (onmove->useColors) {
12949 SendToProgram(onmove->twoMachinesColor, onmove);
12951 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12952 // SendToProgram("go\n", onmove);
12953 onmove->maybeThinking = TRUE;
12954 SetMachineThinkingEnables();
12958 if(bookHit) { // [HGM] book: simulate book reply
12959 static char bookMove[MSG_SIZ]; // a bit generous?
12961 programStats.nodes = programStats.depth = programStats.time =
12962 programStats.score = programStats.got_only_move = 0;
12963 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12965 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12966 strcat(bookMove, bookHit);
12967 savedMessage = bookMove; // args for deferred call
12968 savedState = onmove;
12969 ScheduleDelayedEvent(DeferredBookMove, 1);
12976 if (gameMode == Training) {
12977 SetTrainingModeOff();
12978 gameMode = PlayFromGameFile;
12979 DisplayMessage("", _("Training mode off"));
12981 gameMode = Training;
12982 animateTraining = appData.animate;
12984 /* make sure we are not already at the end of the game */
12985 if (currentMove < forwardMostMove) {
12986 SetTrainingModeOn();
12987 DisplayMessage("", _("Training mode on"));
12989 gameMode = PlayFromGameFile;
12990 DisplayError(_("Already at end of game"), 0);
12999 if (!appData.icsActive) return;
13000 switch (gameMode) {
13001 case IcsPlayingWhite:
13002 case IcsPlayingBlack:
13005 case BeginningOfGame:
13013 EditPositionDone(TRUE);
13026 gameMode = IcsIdle;
13037 switch (gameMode) {
13039 SetTrainingModeOff();
13041 case MachinePlaysWhite:
13042 case MachinePlaysBlack:
13043 case BeginningOfGame:
13044 SendToProgram("force\n", &first);
13045 SetUserThinkingEnables();
13047 case PlayFromGameFile:
13048 (void) StopLoadGameTimer();
13049 if (gameFileFP != NULL) {
13054 EditPositionDone(TRUE);
13059 SendToProgram("force\n", &first);
13061 case TwoMachinesPlay:
13062 GameEnds(EndOfFile, NULL, GE_PLAYER);
13063 ResurrectChessProgram();
13064 SetUserThinkingEnables();
13067 ResurrectChessProgram();
13069 case IcsPlayingBlack:
13070 case IcsPlayingWhite:
13071 DisplayError(_("Warning: You are still playing a game"), 0);
13074 DisplayError(_("Warning: You are still observing a game"), 0);
13077 DisplayError(_("Warning: You are still examining a game"), 0);
13088 first.offeredDraw = second.offeredDraw = 0;
13090 if (gameMode == PlayFromGameFile) {
13091 whiteTimeRemaining = timeRemaining[0][currentMove];
13092 blackTimeRemaining = timeRemaining[1][currentMove];
13096 if (gameMode == MachinePlaysWhite ||
13097 gameMode == MachinePlaysBlack ||
13098 gameMode == TwoMachinesPlay ||
13099 gameMode == EndOfGame) {
13100 i = forwardMostMove;
13101 while (i > currentMove) {
13102 SendToProgram("undo\n", &first);
13105 whiteTimeRemaining = timeRemaining[0][currentMove];
13106 blackTimeRemaining = timeRemaining[1][currentMove];
13107 DisplayBothClocks();
13108 if (whiteFlag || blackFlag) {
13109 whiteFlag = blackFlag = 0;
13114 gameMode = EditGame;
13121 EditPositionEvent()
13123 if (gameMode == EditPosition) {
13129 if (gameMode != EditGame) return;
13131 gameMode = EditPosition;
13134 if (currentMove > 0)
13135 CopyBoard(boards[0], boards[currentMove]);
13137 blackPlaysFirst = !WhiteOnMove(currentMove);
13139 currentMove = forwardMostMove = backwardMostMove = 0;
13140 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13147 /* [DM] icsEngineAnalyze - possible call from other functions */
13148 if (appData.icsEngineAnalyze) {
13149 appData.icsEngineAnalyze = FALSE;
13151 DisplayMessage("",_("Close ICS engine analyze..."));
13153 if (first.analysisSupport && first.analyzing) {
13154 SendToProgram("exit\n", &first);
13155 first.analyzing = FALSE;
13157 thinkOutput[0] = NULLCHAR;
13161 EditPositionDone(Boolean fakeRights)
13163 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13165 startedFromSetupPosition = TRUE;
13166 InitChessProgram(&first, FALSE);
13167 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13168 boards[0][EP_STATUS] = EP_NONE;
13169 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13170 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13171 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13172 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13173 } else boards[0][CASTLING][2] = NoRights;
13174 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13175 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13176 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13177 } else boards[0][CASTLING][5] = NoRights;
13179 SendToProgram("force\n", &first);
13180 if (blackPlaysFirst) {
13181 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13182 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13183 currentMove = forwardMostMove = backwardMostMove = 1;
13184 CopyBoard(boards[1], boards[0]);
13186 currentMove = forwardMostMove = backwardMostMove = 0;
13188 SendBoard(&first, forwardMostMove);
13189 if (appData.debugMode) {
13190 fprintf(debugFP, "EditPosDone\n");
13193 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13194 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13195 gameMode = EditGame;
13197 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13198 ClearHighlights(); /* [AS] */
13201 /* Pause for `ms' milliseconds */
13202 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13212 } while (SubtractTimeMarks(&m2, &m1) < ms);
13215 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13217 SendMultiLineToICS(buf)
13220 char temp[MSG_SIZ+1], *p;
13227 strncpy(temp, buf, len);
13232 if (*p == '\n' || *p == '\r')
13237 strcat(temp, "\n");
13239 SendToPlayer(temp, strlen(temp));
13243 SetWhiteToPlayEvent()
13245 if (gameMode == EditPosition) {
13246 blackPlaysFirst = FALSE;
13247 DisplayBothClocks(); /* works because currentMove is 0 */
13248 } else if (gameMode == IcsExamining) {
13249 SendToICS(ics_prefix);
13250 SendToICS("tomove white\n");
13255 SetBlackToPlayEvent()
13257 if (gameMode == EditPosition) {
13258 blackPlaysFirst = TRUE;
13259 currentMove = 1; /* kludge */
13260 DisplayBothClocks();
13262 } else if (gameMode == IcsExamining) {
13263 SendToICS(ics_prefix);
13264 SendToICS("tomove black\n");
13269 EditPositionMenuEvent(selection, x, y)
13270 ChessSquare selection;
13274 ChessSquare piece = boards[0][y][x];
13276 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13278 switch (selection) {
13280 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13281 SendToICS(ics_prefix);
13282 SendToICS("bsetup clear\n");
13283 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13284 SendToICS(ics_prefix);
13285 SendToICS("clearboard\n");
13287 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13288 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13289 for (y = 0; y < BOARD_HEIGHT; y++) {
13290 if (gameMode == IcsExamining) {
13291 if (boards[currentMove][y][x] != EmptySquare) {
13292 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13297 boards[0][y][x] = p;
13302 if (gameMode == EditPosition) {
13303 DrawPosition(FALSE, boards[0]);
13308 SetWhiteToPlayEvent();
13312 SetBlackToPlayEvent();
13316 if (gameMode == IcsExamining) {
13317 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13318 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13321 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13322 if(x == BOARD_LEFT-2) {
13323 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13324 boards[0][y][1] = 0;
13326 if(x == BOARD_RGHT+1) {
13327 if(y >= gameInfo.holdingsSize) break;
13328 boards[0][y][BOARD_WIDTH-2] = 0;
13331 boards[0][y][x] = EmptySquare;
13332 DrawPosition(FALSE, boards[0]);
13337 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13338 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13339 selection = (ChessSquare) (PROMOTED piece);
13340 } else if(piece == EmptySquare) selection = WhiteSilver;
13341 else selection = (ChessSquare)((int)piece - 1);
13345 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13346 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13347 selection = (ChessSquare) (DEMOTED piece);
13348 } else if(piece == EmptySquare) selection = BlackSilver;
13349 else selection = (ChessSquare)((int)piece + 1);
13354 if(gameInfo.variant == VariantShatranj ||
13355 gameInfo.variant == VariantXiangqi ||
13356 gameInfo.variant == VariantCourier ||
13357 gameInfo.variant == VariantMakruk )
13358 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13363 if(gameInfo.variant == VariantXiangqi)
13364 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13365 if(gameInfo.variant == VariantKnightmate)
13366 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13369 if (gameMode == IcsExamining) {
13370 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13371 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13372 PieceToChar(selection), AAA + x, ONE + y);
13375 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13377 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13378 n = PieceToNumber(selection - BlackPawn);
13379 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13380 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13381 boards[0][BOARD_HEIGHT-1-n][1]++;
13383 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13384 n = PieceToNumber(selection);
13385 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13386 boards[0][n][BOARD_WIDTH-1] = selection;
13387 boards[0][n][BOARD_WIDTH-2]++;
13390 boards[0][y][x] = selection;
13391 DrawPosition(TRUE, boards[0]);
13399 DropMenuEvent(selection, x, y)
13400 ChessSquare selection;
13403 ChessMove moveType;
13405 switch (gameMode) {
13406 case IcsPlayingWhite:
13407 case MachinePlaysBlack:
13408 if (!WhiteOnMove(currentMove)) {
13409 DisplayMoveError(_("It is Black's turn"));
13412 moveType = WhiteDrop;
13414 case IcsPlayingBlack:
13415 case MachinePlaysWhite:
13416 if (WhiteOnMove(currentMove)) {
13417 DisplayMoveError(_("It is White's turn"));
13420 moveType = BlackDrop;
13423 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13429 if (moveType == BlackDrop && selection < BlackPawn) {
13430 selection = (ChessSquare) ((int) selection
13431 + (int) BlackPawn - (int) WhitePawn);
13433 if (boards[currentMove][y][x] != EmptySquare) {
13434 DisplayMoveError(_("That square is occupied"));
13438 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13444 /* Accept a pending offer of any kind from opponent */
13446 if (appData.icsActive) {
13447 SendToICS(ics_prefix);
13448 SendToICS("accept\n");
13449 } else if (cmailMsgLoaded) {
13450 if (currentMove == cmailOldMove &&
13451 commentList[cmailOldMove] != NULL &&
13452 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13453 "Black offers a draw" : "White offers a draw")) {
13455 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13456 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13458 DisplayError(_("There is no pending offer on this move"), 0);
13459 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13462 /* Not used for offers from chess program */
13469 /* Decline a pending offer of any kind from opponent */
13471 if (appData.icsActive) {
13472 SendToICS(ics_prefix);
13473 SendToICS("decline\n");
13474 } else if (cmailMsgLoaded) {
13475 if (currentMove == cmailOldMove &&
13476 commentList[cmailOldMove] != NULL &&
13477 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13478 "Black offers a draw" : "White offers a draw")) {
13480 AppendComment(cmailOldMove, "Draw declined", TRUE);
13481 DisplayComment(cmailOldMove - 1, "Draw declined");
13484 DisplayError(_("There is no pending offer on this move"), 0);
13487 /* Not used for offers from chess program */
13494 /* Issue ICS rematch command */
13495 if (appData.icsActive) {
13496 SendToICS(ics_prefix);
13497 SendToICS("rematch\n");
13504 /* Call your opponent's flag (claim a win on time) */
13505 if (appData.icsActive) {
13506 SendToICS(ics_prefix);
13507 SendToICS("flag\n");
13509 switch (gameMode) {
13512 case MachinePlaysWhite:
13515 GameEnds(GameIsDrawn, "Both players ran out of time",
13518 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13520 DisplayError(_("Your opponent is not out of time"), 0);
13523 case MachinePlaysBlack:
13526 GameEnds(GameIsDrawn, "Both players ran out of time",
13529 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13531 DisplayError(_("Your opponent is not out of time"), 0);
13539 ClockClick(int which)
13540 { // [HGM] code moved to back-end from winboard.c
13541 if(which) { // black clock
13542 if (gameMode == EditPosition || gameMode == IcsExamining) {
13543 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13544 SetBlackToPlayEvent();
13545 } else if (gameMode == EditGame || shiftKey) {
13546 AdjustClock(which, -1);
13547 } else if (gameMode == IcsPlayingWhite ||
13548 gameMode == MachinePlaysBlack) {
13551 } else { // white clock
13552 if (gameMode == EditPosition || gameMode == IcsExamining) {
13553 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13554 SetWhiteToPlayEvent();
13555 } else if (gameMode == EditGame || shiftKey) {
13556 AdjustClock(which, -1);
13557 } else if (gameMode == IcsPlayingBlack ||
13558 gameMode == MachinePlaysWhite) {
13567 /* Offer draw or accept pending draw offer from opponent */
13569 if (appData.icsActive) {
13570 /* Note: tournament rules require draw offers to be
13571 made after you make your move but before you punch
13572 your clock. Currently ICS doesn't let you do that;
13573 instead, you immediately punch your clock after making
13574 a move, but you can offer a draw at any time. */
13576 SendToICS(ics_prefix);
13577 SendToICS("draw\n");
13578 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13579 } else if (cmailMsgLoaded) {
13580 if (currentMove == cmailOldMove &&
13581 commentList[cmailOldMove] != NULL &&
13582 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13583 "Black offers a draw" : "White offers a draw")) {
13584 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13585 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13586 } else if (currentMove == cmailOldMove + 1) {
13587 char *offer = WhiteOnMove(cmailOldMove) ?
13588 "White offers a draw" : "Black offers a draw";
13589 AppendComment(currentMove, offer, TRUE);
13590 DisplayComment(currentMove - 1, offer);
13591 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13593 DisplayError(_("You must make your move before offering a draw"), 0);
13594 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13596 } else if (first.offeredDraw) {
13597 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13599 if (first.sendDrawOffers) {
13600 SendToProgram("draw\n", &first);
13601 userOfferedDraw = TRUE;
13609 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13611 if (appData.icsActive) {
13612 SendToICS(ics_prefix);
13613 SendToICS("adjourn\n");
13615 /* Currently GNU Chess doesn't offer or accept Adjourns */
13623 /* Offer Abort or accept pending Abort offer from opponent */
13625 if (appData.icsActive) {
13626 SendToICS(ics_prefix);
13627 SendToICS("abort\n");
13629 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13636 /* Resign. You can do this even if it's not your turn. */
13638 if (appData.icsActive) {
13639 SendToICS(ics_prefix);
13640 SendToICS("resign\n");
13642 switch (gameMode) {
13643 case MachinePlaysWhite:
13644 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13646 case MachinePlaysBlack:
13647 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13650 if (cmailMsgLoaded) {
13652 if (WhiteOnMove(cmailOldMove)) {
13653 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13655 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13657 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13668 StopObservingEvent()
13670 /* Stop observing current games */
13671 SendToICS(ics_prefix);
13672 SendToICS("unobserve\n");
13676 StopExaminingEvent()
13678 /* Stop observing current game */
13679 SendToICS(ics_prefix);
13680 SendToICS("unexamine\n");
13684 ForwardInner(target)
13689 if (appData.debugMode)
13690 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13691 target, currentMove, forwardMostMove);
13693 if (gameMode == EditPosition)
13696 if (gameMode == PlayFromGameFile && !pausing)
13699 if (gameMode == IcsExamining && pausing)
13700 limit = pauseExamForwardMostMove;
13702 limit = forwardMostMove;
13704 if (target > limit) target = limit;
13706 if (target > 0 && moveList[target - 1][0]) {
13707 int fromX, fromY, toX, toY;
13708 toX = moveList[target - 1][2] - AAA;
13709 toY = moveList[target - 1][3] - ONE;
13710 if (moveList[target - 1][1] == '@') {
13711 if (appData.highlightLastMove) {
13712 SetHighlights(-1, -1, toX, toY);
13715 fromX = moveList[target - 1][0] - AAA;
13716 fromY = moveList[target - 1][1] - ONE;
13717 if (target == currentMove + 1) {
13718 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13720 if (appData.highlightLastMove) {
13721 SetHighlights(fromX, fromY, toX, toY);
13725 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13726 gameMode == Training || gameMode == PlayFromGameFile ||
13727 gameMode == AnalyzeFile) {
13728 while (currentMove < target) {
13729 SendMoveToProgram(currentMove++, &first);
13732 currentMove = target;
13735 if (gameMode == EditGame || gameMode == EndOfGame) {
13736 whiteTimeRemaining = timeRemaining[0][currentMove];
13737 blackTimeRemaining = timeRemaining[1][currentMove];
13739 DisplayBothClocks();
13740 DisplayMove(currentMove - 1);
13741 DrawPosition(FALSE, boards[currentMove]);
13742 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13743 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13744 DisplayComment(currentMove - 1, commentList[currentMove]);
13746 DisplayBook(currentMove);
13753 if (gameMode == IcsExamining && !pausing) {
13754 SendToICS(ics_prefix);
13755 SendToICS("forward\n");
13757 ForwardInner(currentMove + 1);
13764 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13765 /* to optimze, we temporarily turn off analysis mode while we feed
13766 * the remaining moves to the engine. Otherwise we get analysis output
13769 if (first.analysisSupport) {
13770 SendToProgram("exit\nforce\n", &first);
13771 first.analyzing = FALSE;
13775 if (gameMode == IcsExamining && !pausing) {
13776 SendToICS(ics_prefix);
13777 SendToICS("forward 999999\n");
13779 ForwardInner(forwardMostMove);
13782 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13783 /* we have fed all the moves, so reactivate analysis mode */
13784 SendToProgram("analyze\n", &first);
13785 first.analyzing = TRUE;
13786 /*first.maybeThinking = TRUE;*/
13787 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13792 BackwardInner(target)
13795 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13797 if (appData.debugMode)
13798 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13799 target, currentMove, forwardMostMove);
13801 if (gameMode == EditPosition) return;
13802 if (currentMove <= backwardMostMove) {
13804 DrawPosition(full_redraw, boards[currentMove]);
13807 if (gameMode == PlayFromGameFile && !pausing)
13810 if (moveList[target][0]) {
13811 int fromX, fromY, toX, toY;
13812 toX = moveList[target][2] - AAA;
13813 toY = moveList[target][3] - ONE;
13814 if (moveList[target][1] == '@') {
13815 if (appData.highlightLastMove) {
13816 SetHighlights(-1, -1, toX, toY);
13819 fromX = moveList[target][0] - AAA;
13820 fromY = moveList[target][1] - ONE;
13821 if (target == currentMove - 1) {
13822 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13824 if (appData.highlightLastMove) {
13825 SetHighlights(fromX, fromY, toX, toY);
13829 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13830 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13831 while (currentMove > target) {
13832 SendToProgram("undo\n", &first);
13836 currentMove = target;
13839 if (gameMode == EditGame || gameMode == EndOfGame) {
13840 whiteTimeRemaining = timeRemaining[0][currentMove];
13841 blackTimeRemaining = timeRemaining[1][currentMove];
13843 DisplayBothClocks();
13844 DisplayMove(currentMove - 1);
13845 DrawPosition(full_redraw, boards[currentMove]);
13846 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13847 // [HGM] PV info: routine tests if comment empty
13848 DisplayComment(currentMove - 1, commentList[currentMove]);
13849 DisplayBook(currentMove);
13855 if (gameMode == IcsExamining && !pausing) {
13856 SendToICS(ics_prefix);
13857 SendToICS("backward\n");
13859 BackwardInner(currentMove - 1);
13866 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13867 /* to optimize, we temporarily turn off analysis mode while we undo
13868 * all the moves. Otherwise we get analysis output after each undo.
13870 if (first.analysisSupport) {
13871 SendToProgram("exit\nforce\n", &first);
13872 first.analyzing = FALSE;
13876 if (gameMode == IcsExamining && !pausing) {
13877 SendToICS(ics_prefix);
13878 SendToICS("backward 999999\n");
13880 BackwardInner(backwardMostMove);
13883 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13884 /* we have fed all the moves, so reactivate analysis mode */
13885 SendToProgram("analyze\n", &first);
13886 first.analyzing = TRUE;
13887 /*first.maybeThinking = TRUE;*/
13888 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13895 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13896 if (to >= forwardMostMove) to = forwardMostMove;
13897 if (to <= backwardMostMove) to = backwardMostMove;
13898 if (to < currentMove) {
13906 RevertEvent(Boolean annotate)
13908 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13911 if (gameMode != IcsExamining) {
13912 DisplayError(_("You are not examining a game"), 0);
13916 DisplayError(_("You can't revert while pausing"), 0);
13919 SendToICS(ics_prefix);
13920 SendToICS("revert\n");
13926 switch (gameMode) {
13927 case MachinePlaysWhite:
13928 case MachinePlaysBlack:
13929 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13930 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13933 if (forwardMostMove < 2) return;
13934 currentMove = forwardMostMove = forwardMostMove - 2;
13935 whiteTimeRemaining = timeRemaining[0][currentMove];
13936 blackTimeRemaining = timeRemaining[1][currentMove];
13937 DisplayBothClocks();
13938 DisplayMove(currentMove - 1);
13939 ClearHighlights();/*!! could figure this out*/
13940 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13941 SendToProgram("remove\n", &first);
13942 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13945 case BeginningOfGame:
13949 case IcsPlayingWhite:
13950 case IcsPlayingBlack:
13951 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13952 SendToICS(ics_prefix);
13953 SendToICS("takeback 2\n");
13955 SendToICS(ics_prefix);
13956 SendToICS("takeback 1\n");
13965 ChessProgramState *cps;
13967 switch (gameMode) {
13968 case MachinePlaysWhite:
13969 if (!WhiteOnMove(forwardMostMove)) {
13970 DisplayError(_("It is your turn"), 0);
13975 case MachinePlaysBlack:
13976 if (WhiteOnMove(forwardMostMove)) {
13977 DisplayError(_("It is your turn"), 0);
13982 case TwoMachinesPlay:
13983 if (WhiteOnMove(forwardMostMove) ==
13984 (first.twoMachinesColor[0] == 'w')) {
13990 case BeginningOfGame:
13994 SendToProgram("?\n", cps);
13998 TruncateGameEvent()
14001 if (gameMode != EditGame) return;
14008 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14009 if (forwardMostMove > currentMove) {
14010 if (gameInfo.resultDetails != NULL) {
14011 free(gameInfo.resultDetails);
14012 gameInfo.resultDetails = NULL;
14013 gameInfo.result = GameUnfinished;
14015 forwardMostMove = currentMove;
14016 HistorySet(parseList, backwardMostMove, forwardMostMove,
14024 if (appData.noChessProgram) return;
14025 switch (gameMode) {
14026 case MachinePlaysWhite:
14027 if (WhiteOnMove(forwardMostMove)) {
14028 DisplayError(_("Wait until your turn"), 0);
14032 case BeginningOfGame:
14033 case MachinePlaysBlack:
14034 if (!WhiteOnMove(forwardMostMove)) {
14035 DisplayError(_("Wait until your turn"), 0);
14040 DisplayError(_("No hint available"), 0);
14043 SendToProgram("hint\n", &first);
14044 hintRequested = TRUE;
14050 if (appData.noChessProgram) return;
14051 switch (gameMode) {
14052 case MachinePlaysWhite:
14053 if (WhiteOnMove(forwardMostMove)) {
14054 DisplayError(_("Wait until your turn"), 0);
14058 case BeginningOfGame:
14059 case MachinePlaysBlack:
14060 if (!WhiteOnMove(forwardMostMove)) {
14061 DisplayError(_("Wait until your turn"), 0);
14066 EditPositionDone(TRUE);
14068 case TwoMachinesPlay:
14073 SendToProgram("bk\n", &first);
14074 bookOutput[0] = NULLCHAR;
14075 bookRequested = TRUE;
14081 char *tags = PGNTags(&gameInfo);
14082 TagsPopUp(tags, CmailMsg());
14086 /* end button procedures */
14089 PrintPosition(fp, move)
14095 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14096 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14097 char c = PieceToChar(boards[move][i][j]);
14098 fputc(c == 'x' ? '.' : c, fp);
14099 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14102 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14103 fprintf(fp, "white to play\n");
14105 fprintf(fp, "black to play\n");
14112 if (gameInfo.white != NULL) {
14113 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14119 /* Find last component of program's own name, using some heuristics */
14121 TidyProgramName(prog, host, buf)
14122 char *prog, *host, buf[MSG_SIZ];
14125 int local = (strcmp(host, "localhost") == 0);
14126 while (!local && (p = strchr(prog, ';')) != NULL) {
14128 while (*p == ' ') p++;
14131 if (*prog == '"' || *prog == '\'') {
14132 q = strchr(prog + 1, *prog);
14134 q = strchr(prog, ' ');
14136 if (q == NULL) q = prog + strlen(prog);
14138 while (p >= prog && *p != '/' && *p != '\\') p--;
14140 if(p == prog && *p == '"') p++;
14141 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14142 memcpy(buf, p, q - p);
14143 buf[q - p] = NULLCHAR;
14151 TimeControlTagValue()
14154 if (!appData.clockMode) {
14155 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14156 } else if (movesPerSession > 0) {
14157 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14158 } else if (timeIncrement == 0) {
14159 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14161 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14163 return StrSave(buf);
14169 /* This routine is used only for certain modes */
14170 VariantClass v = gameInfo.variant;
14171 ChessMove r = GameUnfinished;
14174 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14175 r = gameInfo.result;
14176 p = gameInfo.resultDetails;
14177 gameInfo.resultDetails = NULL;
14179 ClearGameInfo(&gameInfo);
14180 gameInfo.variant = v;
14182 switch (gameMode) {
14183 case MachinePlaysWhite:
14184 gameInfo.event = StrSave( appData.pgnEventHeader );
14185 gameInfo.site = StrSave(HostName());
14186 gameInfo.date = PGNDate();
14187 gameInfo.round = StrSave("-");
14188 gameInfo.white = StrSave(first.tidy);
14189 gameInfo.black = StrSave(UserName());
14190 gameInfo.timeControl = TimeControlTagValue();
14193 case MachinePlaysBlack:
14194 gameInfo.event = StrSave( appData.pgnEventHeader );
14195 gameInfo.site = StrSave(HostName());
14196 gameInfo.date = PGNDate();
14197 gameInfo.round = StrSave("-");
14198 gameInfo.white = StrSave(UserName());
14199 gameInfo.black = StrSave(first.tidy);
14200 gameInfo.timeControl = TimeControlTagValue();
14203 case TwoMachinesPlay:
14204 gameInfo.event = StrSave( appData.pgnEventHeader );
14205 gameInfo.site = StrSave(HostName());
14206 gameInfo.date = PGNDate();
14209 snprintf(buf, MSG_SIZ, "%d", roundNr);
14210 gameInfo.round = StrSave(buf);
14212 gameInfo.round = StrSave("-");
14214 if (first.twoMachinesColor[0] == 'w') {
14215 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14216 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14218 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14219 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14221 gameInfo.timeControl = TimeControlTagValue();
14225 gameInfo.event = StrSave("Edited game");
14226 gameInfo.site = StrSave(HostName());
14227 gameInfo.date = PGNDate();
14228 gameInfo.round = StrSave("-");
14229 gameInfo.white = StrSave("-");
14230 gameInfo.black = StrSave("-");
14231 gameInfo.result = r;
14232 gameInfo.resultDetails = p;
14236 gameInfo.event = StrSave("Edited position");
14237 gameInfo.site = StrSave(HostName());
14238 gameInfo.date = PGNDate();
14239 gameInfo.round = StrSave("-");
14240 gameInfo.white = StrSave("-");
14241 gameInfo.black = StrSave("-");
14244 case IcsPlayingWhite:
14245 case IcsPlayingBlack:
14250 case PlayFromGameFile:
14251 gameInfo.event = StrSave("Game from non-PGN file");
14252 gameInfo.site = StrSave(HostName());
14253 gameInfo.date = PGNDate();
14254 gameInfo.round = StrSave("-");
14255 gameInfo.white = StrSave("?");
14256 gameInfo.black = StrSave("?");
14265 ReplaceComment(index, text)
14273 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14274 pvInfoList[index-1].depth == len &&
14275 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14276 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14277 while (*text == '\n') text++;
14278 len = strlen(text);
14279 while (len > 0 && text[len - 1] == '\n') len--;
14281 if (commentList[index] != NULL)
14282 free(commentList[index]);
14285 commentList[index] = NULL;
14288 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14289 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14290 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14291 commentList[index] = (char *) malloc(len + 2);
14292 strncpy(commentList[index], text, len);
14293 commentList[index][len] = '\n';
14294 commentList[index][len + 1] = NULLCHAR;
14296 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14298 commentList[index] = (char *) malloc(len + 7);
14299 safeStrCpy(commentList[index], "{\n", 3);
14300 safeStrCpy(commentList[index]+2, text, len+1);
14301 commentList[index][len+2] = NULLCHAR;
14302 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14303 strcat(commentList[index], "\n}\n");
14317 if (ch == '\r') continue;
14319 } while (ch != '\0');
14323 AppendComment(index, text, addBraces)
14326 Boolean addBraces; // [HGM] braces: tells if we should add {}
14331 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14332 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14335 while (*text == '\n') text++;
14336 len = strlen(text);
14337 while (len > 0 && text[len - 1] == '\n') len--;
14339 if (len == 0) return;
14341 if (commentList[index] != NULL) {
14342 old = commentList[index];
14343 oldlen = strlen(old);
14344 while(commentList[index][oldlen-1] == '\n')
14345 commentList[index][--oldlen] = NULLCHAR;
14346 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14347 safeStrCpy(commentList[index], old, oldlen + len + 6);
14349 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14350 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14351 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14352 while (*text == '\n') { text++; len--; }
14353 commentList[index][--oldlen] = NULLCHAR;
14355 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14356 else strcat(commentList[index], "\n");
14357 strcat(commentList[index], text);
14358 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14359 else strcat(commentList[index], "\n");
14361 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14363 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14364 else commentList[index][0] = NULLCHAR;
14365 strcat(commentList[index], text);
14366 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14367 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14371 static char * FindStr( char * text, char * sub_text )
14373 char * result = strstr( text, sub_text );
14375 if( result != NULL ) {
14376 result += strlen( sub_text );
14382 /* [AS] Try to extract PV info from PGN comment */
14383 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14384 char *GetInfoFromComment( int index, char * text )
14386 char * sep = text, *p;
14388 if( text != NULL && index > 0 ) {
14391 int time = -1, sec = 0, deci;
14392 char * s_eval = FindStr( text, "[%eval " );
14393 char * s_emt = FindStr( text, "[%emt " );
14395 if( s_eval != NULL || s_emt != NULL ) {
14399 if( s_eval != NULL ) {
14400 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14404 if( delim != ']' ) {
14409 if( s_emt != NULL ) {
14414 /* We expect something like: [+|-]nnn.nn/dd */
14417 if(*text != '{') return text; // [HGM] braces: must be normal comment
14419 sep = strchr( text, '/' );
14420 if( sep == NULL || sep < (text+4) ) {
14425 if(p[1] == '(') { // comment starts with PV
14426 p = strchr(p, ')'); // locate end of PV
14427 if(p == NULL || sep < p+5) return text;
14428 // at this point we have something like "{(.*) +0.23/6 ..."
14429 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14430 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14431 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14433 time = -1; sec = -1; deci = -1;
14434 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14435 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14436 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14437 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14441 if( score_lo < 0 || score_lo >= 100 ) {
14445 if(sec >= 0) time = 600*time + 10*sec; else
14446 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14448 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14450 /* [HGM] PV time: now locate end of PV info */
14451 while( *++sep >= '0' && *sep <= '9'); // strip depth
14453 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14455 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14457 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14458 while(*sep == ' ') sep++;
14469 pvInfoList[index-1].depth = depth;
14470 pvInfoList[index-1].score = score;
14471 pvInfoList[index-1].time = 10*time; // centi-sec
14472 if(*sep == '}') *sep = 0; else *--sep = '{';
14473 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14479 SendToProgram(message, cps)
14481 ChessProgramState *cps;
14483 int count, outCount, error;
14486 if (cps->pr == NULL) return;
14489 if (appData.debugMode) {
14492 fprintf(debugFP, "%ld >%-6s: %s",
14493 SubtractTimeMarks(&now, &programStartTime),
14494 cps->which, message);
14497 count = strlen(message);
14498 outCount = OutputToProcess(cps->pr, message, count, &error);
14499 if (outCount < count && !exiting
14500 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14501 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14502 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14503 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14504 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14505 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14506 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14507 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14509 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14510 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14511 gameInfo.result = res;
14513 gameInfo.resultDetails = StrSave(buf);
14515 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14516 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14521 ReceiveFromProgram(isr, closure, message, count, error)
14522 InputSourceRef isr;
14530 ChessProgramState *cps = (ChessProgramState *)closure;
14532 if (isr != cps->isr) return; /* Killed intentionally */
14535 RemoveInputSource(cps->isr);
14536 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14537 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14538 _(cps->which), cps->program);
14539 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14540 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14541 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14542 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14543 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14545 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14546 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14547 gameInfo.result = res;
14549 gameInfo.resultDetails = StrSave(buf);
14551 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14552 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14554 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14555 _(cps->which), cps->program);
14556 RemoveInputSource(cps->isr);
14558 /* [AS] Program is misbehaving badly... kill it */
14559 if( count == -2 ) {
14560 DestroyChildProcess( cps->pr, 9 );
14564 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14569 if ((end_str = strchr(message, '\r')) != NULL)
14570 *end_str = NULLCHAR;
14571 if ((end_str = strchr(message, '\n')) != NULL)
14572 *end_str = NULLCHAR;
14574 if (appData.debugMode) {
14575 TimeMark now; int print = 1;
14576 char *quote = ""; char c; int i;
14578 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14579 char start = message[0];
14580 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14581 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14582 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14583 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14584 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14585 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14586 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14587 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14588 sscanf(message, "hint: %c", &c)!=1 &&
14589 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14590 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14591 print = (appData.engineComments >= 2);
14593 message[0] = start; // restore original message
14597 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14598 SubtractTimeMarks(&now, &programStartTime), cps->which,
14604 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14605 if (appData.icsEngineAnalyze) {
14606 if (strstr(message, "whisper") != NULL ||
14607 strstr(message, "kibitz") != NULL ||
14608 strstr(message, "tellics") != NULL) return;
14611 HandleMachineMove(message, cps);
14616 SendTimeControl(cps, mps, tc, inc, sd, st)
14617 ChessProgramState *cps;
14618 int mps, inc, sd, st;
14624 if( timeControl_2 > 0 ) {
14625 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14626 tc = timeControl_2;
14629 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14630 inc /= cps->timeOdds;
14631 st /= cps->timeOdds;
14633 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14636 /* Set exact time per move, normally using st command */
14637 if (cps->stKludge) {
14638 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14640 if (seconds == 0) {
14641 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14643 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14646 snprintf(buf, MSG_SIZ, "st %d\n", st);
14649 /* Set conventional or incremental time control, using level command */
14650 if (seconds == 0) {
14651 /* Note old gnuchess bug -- minutes:seconds used to not work.
14652 Fixed in later versions, but still avoid :seconds
14653 when seconds is 0. */
14654 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14656 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14657 seconds, inc/1000.);
14660 SendToProgram(buf, cps);
14662 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14663 /* Orthogonally, limit search to given depth */
14665 if (cps->sdKludge) {
14666 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14668 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14670 SendToProgram(buf, cps);
14673 if(cps->nps >= 0) { /* [HGM] nps */
14674 if(cps->supportsNPS == FALSE)
14675 cps->nps = -1; // don't use if engine explicitly says not supported!
14677 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14678 SendToProgram(buf, cps);
14683 ChessProgramState *WhitePlayer()
14684 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14686 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14687 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14693 SendTimeRemaining(cps, machineWhite)
14694 ChessProgramState *cps;
14695 int /*boolean*/ machineWhite;
14697 char message[MSG_SIZ];
14700 /* Note: this routine must be called when the clocks are stopped
14701 or when they have *just* been set or switched; otherwise
14702 it will be off by the time since the current tick started.
14704 if (machineWhite) {
14705 time = whiteTimeRemaining / 10;
14706 otime = blackTimeRemaining / 10;
14708 time = blackTimeRemaining / 10;
14709 otime = whiteTimeRemaining / 10;
14711 /* [HGM] translate opponent's time by time-odds factor */
14712 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14713 if (appData.debugMode) {
14714 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14717 if (time <= 0) time = 1;
14718 if (otime <= 0) otime = 1;
14720 snprintf(message, MSG_SIZ, "time %ld\n", time);
14721 SendToProgram(message, cps);
14723 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14724 SendToProgram(message, cps);
14728 BoolFeature(p, name, loc, cps)
14732 ChessProgramState *cps;
14735 int len = strlen(name);
14738 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14740 sscanf(*p, "%d", &val);
14742 while (**p && **p != ' ')
14744 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14745 SendToProgram(buf, cps);
14752 IntFeature(p, name, loc, cps)
14756 ChessProgramState *cps;
14759 int len = strlen(name);
14760 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14762 sscanf(*p, "%d", loc);
14763 while (**p && **p != ' ') (*p)++;
14764 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14765 SendToProgram(buf, cps);
14772 StringFeature(p, name, loc, cps)
14776 ChessProgramState *cps;
14779 int len = strlen(name);
14780 if (strncmp((*p), name, len) == 0
14781 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14783 sscanf(*p, "%[^\"]", loc);
14784 while (**p && **p != '\"') (*p)++;
14785 if (**p == '\"') (*p)++;
14786 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14787 SendToProgram(buf, cps);
14794 ParseOption(Option *opt, ChessProgramState *cps)
14795 // [HGM] options: process the string that defines an engine option, and determine
14796 // name, type, default value, and allowed value range
14798 char *p, *q, buf[MSG_SIZ];
14799 int n, min = (-1)<<31, max = 1<<31, def;
14801 if(p = strstr(opt->name, " -spin ")) {
14802 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14803 if(max < min) max = min; // enforce consistency
14804 if(def < min) def = min;
14805 if(def > max) def = max;
14810 } else if((p = strstr(opt->name, " -slider "))) {
14811 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14812 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14813 if(max < min) max = min; // enforce consistency
14814 if(def < min) def = min;
14815 if(def > max) def = max;
14819 opt->type = Spin; // Slider;
14820 } else if((p = strstr(opt->name, " -string "))) {
14821 opt->textValue = p+9;
14822 opt->type = TextBox;
14823 } else if((p = strstr(opt->name, " -file "))) {
14824 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14825 opt->textValue = p+7;
14826 opt->type = FileName; // FileName;
14827 } else if((p = strstr(opt->name, " -path "))) {
14828 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14829 opt->textValue = p+7;
14830 opt->type = PathName; // PathName;
14831 } else if(p = strstr(opt->name, " -check ")) {
14832 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14833 opt->value = (def != 0);
14834 opt->type = CheckBox;
14835 } else if(p = strstr(opt->name, " -combo ")) {
14836 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14837 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14838 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14839 opt->value = n = 0;
14840 while(q = StrStr(q, " /// ")) {
14841 n++; *q = 0; // count choices, and null-terminate each of them
14843 if(*q == '*') { // remember default, which is marked with * prefix
14847 cps->comboList[cps->comboCnt++] = q;
14849 cps->comboList[cps->comboCnt++] = NULL;
14851 opt->type = ComboBox;
14852 } else if(p = strstr(opt->name, " -button")) {
14853 opt->type = Button;
14854 } else if(p = strstr(opt->name, " -save")) {
14855 opt->type = SaveButton;
14856 } else return FALSE;
14857 *p = 0; // terminate option name
14858 // now look if the command-line options define a setting for this engine option.
14859 if(cps->optionSettings && cps->optionSettings[0])
14860 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14861 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14862 snprintf(buf, MSG_SIZ, "option %s", p);
14863 if(p = strstr(buf, ",")) *p = 0;
14864 if(q = strchr(buf, '=')) switch(opt->type) {
14866 for(n=0; n<opt->max; n++)
14867 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14870 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14874 opt->value = atoi(q+1);
14879 SendToProgram(buf, cps);
14885 FeatureDone(cps, val)
14886 ChessProgramState* cps;
14889 DelayedEventCallback cb = GetDelayedEvent();
14890 if ((cb == InitBackEnd3 && cps == &first) ||
14891 (cb == SettingsMenuIfReady && cps == &second) ||
14892 (cb == LoadEngine) ||
14893 (cb == TwoMachinesEventIfReady)) {
14894 CancelDelayedEvent();
14895 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14897 cps->initDone = val;
14900 /* Parse feature command from engine */
14902 ParseFeatures(args, cps)
14904 ChessProgramState *cps;
14912 while (*p == ' ') p++;
14913 if (*p == NULLCHAR) return;
14915 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14916 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14917 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14918 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14919 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14920 if (BoolFeature(&p, "reuse", &val, cps)) {
14921 /* Engine can disable reuse, but can't enable it if user said no */
14922 if (!val) cps->reuse = FALSE;
14925 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14926 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14927 if (gameMode == TwoMachinesPlay) {
14928 DisplayTwoMachinesTitle();
14934 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14935 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14936 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14937 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14938 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14939 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14940 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14941 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14942 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14943 if (IntFeature(&p, "done", &val, cps)) {
14944 FeatureDone(cps, val);
14947 /* Added by Tord: */
14948 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14949 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14950 /* End of additions by Tord */
14952 /* [HGM] added features: */
14953 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14954 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14955 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14956 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14957 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14958 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14959 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14960 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14961 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14962 SendToProgram(buf, cps);
14965 if(cps->nrOptions >= MAX_OPTIONS) {
14967 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14968 DisplayError(buf, 0);
14972 /* End of additions by HGM */
14974 /* unknown feature: complain and skip */
14976 while (*q && *q != '=') q++;
14977 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14978 SendToProgram(buf, cps);
14984 while (*p && *p != '\"') p++;
14985 if (*p == '\"') p++;
14987 while (*p && *p != ' ') p++;
14995 PeriodicUpdatesEvent(newState)
14998 if (newState == appData.periodicUpdates)
15001 appData.periodicUpdates=newState;
15003 /* Display type changes, so update it now */
15004 // DisplayAnalysis();
15006 /* Get the ball rolling again... */
15008 AnalysisPeriodicEvent(1);
15009 StartAnalysisClock();
15014 PonderNextMoveEvent(newState)
15017 if (newState == appData.ponderNextMove) return;
15018 if (gameMode == EditPosition) EditPositionDone(TRUE);
15020 SendToProgram("hard\n", &first);
15021 if (gameMode == TwoMachinesPlay) {
15022 SendToProgram("hard\n", &second);
15025 SendToProgram("easy\n", &first);
15026 thinkOutput[0] = NULLCHAR;
15027 if (gameMode == TwoMachinesPlay) {
15028 SendToProgram("easy\n", &second);
15031 appData.ponderNextMove = newState;
15035 NewSettingEvent(option, feature, command, value)
15037 int option, value, *feature;
15041 if (gameMode == EditPosition) EditPositionDone(TRUE);
15042 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15043 if(feature == NULL || *feature) SendToProgram(buf, &first);
15044 if (gameMode == TwoMachinesPlay) {
15045 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15050 ShowThinkingEvent()
15051 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15053 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15054 int newState = appData.showThinking
15055 // [HGM] thinking: other features now need thinking output as well
15056 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15058 if (oldState == newState) return;
15059 oldState = newState;
15060 if (gameMode == EditPosition) EditPositionDone(TRUE);
15062 SendToProgram("post\n", &first);
15063 if (gameMode == TwoMachinesPlay) {
15064 SendToProgram("post\n", &second);
15067 SendToProgram("nopost\n", &first);
15068 thinkOutput[0] = NULLCHAR;
15069 if (gameMode == TwoMachinesPlay) {
15070 SendToProgram("nopost\n", &second);
15073 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15077 AskQuestionEvent(title, question, replyPrefix, which)
15078 char *title; char *question; char *replyPrefix; char *which;
15080 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15081 if (pr == NoProc) return;
15082 AskQuestion(title, question, replyPrefix, pr);
15086 TypeInEvent(char firstChar)
15088 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15089 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15090 gameMode == AnalyzeMode || gameMode == EditGame ||
15091 gameMode == EditPosition || gameMode == IcsExamining ||
15092 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15093 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15094 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15095 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15096 gameMode == Training) PopUpMoveDialog(firstChar);
15100 TypeInDoneEvent(char *move)
15103 int n, fromX, fromY, toX, toY;
15105 ChessMove moveType;
15108 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15109 EditPositionPasteFEN(move);
15112 // [HGM] movenum: allow move number to be typed in any mode
15113 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15118 if (gameMode != EditGame && currentMove != forwardMostMove &&
15119 gameMode != Training) {
15120 DisplayMoveError(_("Displayed move is not current"));
15122 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15123 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15124 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15125 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15126 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15127 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15129 DisplayMoveError(_("Could not parse move"));
15135 DisplayMove(moveNumber)
15138 char message[MSG_SIZ];
15140 char cpThinkOutput[MSG_SIZ];
15142 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15144 if (moveNumber == forwardMostMove - 1 ||
15145 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15147 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15149 if (strchr(cpThinkOutput, '\n')) {
15150 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15153 *cpThinkOutput = NULLCHAR;
15156 /* [AS] Hide thinking from human user */
15157 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15158 *cpThinkOutput = NULLCHAR;
15159 if( thinkOutput[0] != NULLCHAR ) {
15162 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15163 cpThinkOutput[i] = '.';
15165 cpThinkOutput[i] = NULLCHAR;
15166 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15170 if (moveNumber == forwardMostMove - 1 &&
15171 gameInfo.resultDetails != NULL) {
15172 if (gameInfo.resultDetails[0] == NULLCHAR) {
15173 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15175 snprintf(res, MSG_SIZ, " {%s} %s",
15176 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15182 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15183 DisplayMessage(res, cpThinkOutput);
15185 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15186 WhiteOnMove(moveNumber) ? " " : ".. ",
15187 parseList[moveNumber], res);
15188 DisplayMessage(message, cpThinkOutput);
15193 DisplayComment(moveNumber, text)
15197 char title[MSG_SIZ];
15198 char buf[8000]; // comment can be long!
15201 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15202 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15204 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15205 WhiteOnMove(moveNumber) ? " " : ".. ",
15206 parseList[moveNumber]);
15208 // [HGM] PV info: display PV info together with (or as) comment
15209 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
15210 if(text == NULL) text = "";
15211 score = pvInfoList[moveNumber].score;
15212 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
15213 depth, (pvInfoList[moveNumber].time+50)/100, text);
15216 if (text != NULL && (appData.autoDisplayComment || commentUp))
15217 CommentPopUp(title, text);
15220 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15221 * might be busy thinking or pondering. It can be omitted if your
15222 * gnuchess is configured to stop thinking immediately on any user
15223 * input. However, that gnuchess feature depends on the FIONREAD
15224 * ioctl, which does not work properly on some flavors of Unix.
15228 ChessProgramState *cps;
15231 if (!cps->useSigint) return;
15232 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15233 switch (gameMode) {
15234 case MachinePlaysWhite:
15235 case MachinePlaysBlack:
15236 case TwoMachinesPlay:
15237 case IcsPlayingWhite:
15238 case IcsPlayingBlack:
15241 /* Skip if we know it isn't thinking */
15242 if (!cps->maybeThinking) return;
15243 if (appData.debugMode)
15244 fprintf(debugFP, "Interrupting %s\n", cps->which);
15245 InterruptChildProcess(cps->pr);
15246 cps->maybeThinking = FALSE;
15251 #endif /*ATTENTION*/
15257 if (whiteTimeRemaining <= 0) {
15260 if (appData.icsActive) {
15261 if (appData.autoCallFlag &&
15262 gameMode == IcsPlayingBlack && !blackFlag) {
15263 SendToICS(ics_prefix);
15264 SendToICS("flag\n");
15268 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15270 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15271 if (appData.autoCallFlag) {
15272 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15279 if (blackTimeRemaining <= 0) {
15282 if (appData.icsActive) {
15283 if (appData.autoCallFlag &&
15284 gameMode == IcsPlayingWhite && !whiteFlag) {
15285 SendToICS(ics_prefix);
15286 SendToICS("flag\n");
15290 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15292 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15293 if (appData.autoCallFlag) {
15294 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15307 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15308 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15311 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15313 if ( !WhiteOnMove(forwardMostMove) ) {
15314 /* White made time control */
15315 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15316 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15317 /* [HGM] time odds: correct new time quota for time odds! */
15318 / WhitePlayer()->timeOdds;
15319 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15321 lastBlack -= blackTimeRemaining;
15322 /* Black made time control */
15323 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15324 / WhitePlayer()->other->timeOdds;
15325 lastWhite = whiteTimeRemaining;
15330 DisplayBothClocks()
15332 int wom = gameMode == EditPosition ?
15333 !blackPlaysFirst : WhiteOnMove(currentMove);
15334 DisplayWhiteClock(whiteTimeRemaining, wom);
15335 DisplayBlackClock(blackTimeRemaining, !wom);
15339 /* Timekeeping seems to be a portability nightmare. I think everyone
15340 has ftime(), but I'm really not sure, so I'm including some ifdefs
15341 to use other calls if you don't. Clocks will be less accurate if
15342 you have neither ftime nor gettimeofday.
15345 /* VS 2008 requires the #include outside of the function */
15346 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15347 #include <sys/timeb.h>
15350 /* Get the current time as a TimeMark */
15355 #if HAVE_GETTIMEOFDAY
15357 struct timeval timeVal;
15358 struct timezone timeZone;
15360 gettimeofday(&timeVal, &timeZone);
15361 tm->sec = (long) timeVal.tv_sec;
15362 tm->ms = (int) (timeVal.tv_usec / 1000L);
15364 #else /*!HAVE_GETTIMEOFDAY*/
15367 // include <sys/timeb.h> / moved to just above start of function
15368 struct timeb timeB;
15371 tm->sec = (long) timeB.time;
15372 tm->ms = (int) timeB.millitm;
15374 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15375 tm->sec = (long) time(NULL);
15381 /* Return the difference in milliseconds between two
15382 time marks. We assume the difference will fit in a long!
15385 SubtractTimeMarks(tm2, tm1)
15386 TimeMark *tm2, *tm1;
15388 return 1000L*(tm2->sec - tm1->sec) +
15389 (long) (tm2->ms - tm1->ms);
15394 * Code to manage the game clocks.
15396 * In tournament play, black starts the clock and then white makes a move.
15397 * We give the human user a slight advantage if he is playing white---the
15398 * clocks don't run until he makes his first move, so it takes zero time.
15399 * Also, we don't account for network lag, so we could get out of sync
15400 * with GNU Chess's clock -- but then, referees are always right.
15403 static TimeMark tickStartTM;
15404 static long intendedTickLength;
15407 NextTickLength(timeRemaining)
15408 long timeRemaining;
15410 long nominalTickLength, nextTickLength;
15412 if (timeRemaining > 0L && timeRemaining <= 10000L)
15413 nominalTickLength = 100L;
15415 nominalTickLength = 1000L;
15416 nextTickLength = timeRemaining % nominalTickLength;
15417 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15419 return nextTickLength;
15422 /* Adjust clock one minute up or down */
15424 AdjustClock(Boolean which, int dir)
15426 if(which) blackTimeRemaining += 60000*dir;
15427 else whiteTimeRemaining += 60000*dir;
15428 DisplayBothClocks();
15431 /* Stop clocks and reset to a fresh time control */
15435 (void) StopClockTimer();
15436 if (appData.icsActive) {
15437 whiteTimeRemaining = blackTimeRemaining = 0;
15438 } else if (searchTime) {
15439 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15440 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15441 } else { /* [HGM] correct new time quote for time odds */
15442 whiteTC = blackTC = fullTimeControlString;
15443 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15444 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15446 if (whiteFlag || blackFlag) {
15448 whiteFlag = blackFlag = FALSE;
15450 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15451 DisplayBothClocks();
15454 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15456 /* Decrement running clock by amount of time that has passed */
15460 long timeRemaining;
15461 long lastTickLength, fudge;
15464 if (!appData.clockMode) return;
15465 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15469 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15471 /* Fudge if we woke up a little too soon */
15472 fudge = intendedTickLength - lastTickLength;
15473 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15475 if (WhiteOnMove(forwardMostMove)) {
15476 if(whiteNPS >= 0) lastTickLength = 0;
15477 timeRemaining = whiteTimeRemaining -= lastTickLength;
15478 if(timeRemaining < 0 && !appData.icsActive) {
15479 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15480 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15481 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15482 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15485 DisplayWhiteClock(whiteTimeRemaining - fudge,
15486 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15488 if(blackNPS >= 0) lastTickLength = 0;
15489 timeRemaining = blackTimeRemaining -= lastTickLength;
15490 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15491 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15493 blackStartMove = forwardMostMove;
15494 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15497 DisplayBlackClock(blackTimeRemaining - fudge,
15498 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15500 if (CheckFlags()) return;
15503 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15504 StartClockTimer(intendedTickLength);
15506 /* if the time remaining has fallen below the alarm threshold, sound the
15507 * alarm. if the alarm has sounded and (due to a takeback or time control
15508 * with increment) the time remaining has increased to a level above the
15509 * threshold, reset the alarm so it can sound again.
15512 if (appData.icsActive && appData.icsAlarm) {
15514 /* make sure we are dealing with the user's clock */
15515 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15516 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15519 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15520 alarmSounded = FALSE;
15521 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15523 alarmSounded = TRUE;
15529 /* A player has just moved, so stop the previously running
15530 clock and (if in clock mode) start the other one.
15531 We redisplay both clocks in case we're in ICS mode, because
15532 ICS gives us an update to both clocks after every move.
15533 Note that this routine is called *after* forwardMostMove
15534 is updated, so the last fractional tick must be subtracted
15535 from the color that is *not* on move now.
15538 SwitchClocks(int newMoveNr)
15540 long lastTickLength;
15542 int flagged = FALSE;
15546 if (StopClockTimer() && appData.clockMode) {
15547 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15548 if (!WhiteOnMove(forwardMostMove)) {
15549 if(blackNPS >= 0) lastTickLength = 0;
15550 blackTimeRemaining -= lastTickLength;
15551 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15552 // if(pvInfoList[forwardMostMove].time == -1)
15553 pvInfoList[forwardMostMove].time = // use GUI time
15554 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15556 if(whiteNPS >= 0) lastTickLength = 0;
15557 whiteTimeRemaining -= lastTickLength;
15558 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15559 // if(pvInfoList[forwardMostMove].time == -1)
15560 pvInfoList[forwardMostMove].time =
15561 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15563 flagged = CheckFlags();
15565 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15566 CheckTimeControl();
15568 if (flagged || !appData.clockMode) return;
15570 switch (gameMode) {
15571 case MachinePlaysBlack:
15572 case MachinePlaysWhite:
15573 case BeginningOfGame:
15574 if (pausing) return;
15578 case PlayFromGameFile:
15586 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15587 if(WhiteOnMove(forwardMostMove))
15588 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15589 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15593 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15594 whiteTimeRemaining : blackTimeRemaining);
15595 StartClockTimer(intendedTickLength);
15599 /* Stop both clocks */
15603 long lastTickLength;
15606 if (!StopClockTimer()) return;
15607 if (!appData.clockMode) return;
15611 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15612 if (WhiteOnMove(forwardMostMove)) {
15613 if(whiteNPS >= 0) lastTickLength = 0;
15614 whiteTimeRemaining -= lastTickLength;
15615 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15617 if(blackNPS >= 0) lastTickLength = 0;
15618 blackTimeRemaining -= lastTickLength;
15619 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15624 /* Start clock of player on move. Time may have been reset, so
15625 if clock is already running, stop and restart it. */
15629 (void) StopClockTimer(); /* in case it was running already */
15630 DisplayBothClocks();
15631 if (CheckFlags()) return;
15633 if (!appData.clockMode) return;
15634 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15636 GetTimeMark(&tickStartTM);
15637 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15638 whiteTimeRemaining : blackTimeRemaining);
15640 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15641 whiteNPS = blackNPS = -1;
15642 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15643 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15644 whiteNPS = first.nps;
15645 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15646 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15647 blackNPS = first.nps;
15648 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15649 whiteNPS = second.nps;
15650 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15651 blackNPS = second.nps;
15652 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15654 StartClockTimer(intendedTickLength);
15661 long second, minute, hour, day;
15663 static char buf[32];
15665 if (ms > 0 && ms <= 9900) {
15666 /* convert milliseconds to tenths, rounding up */
15667 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15669 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15673 /* convert milliseconds to seconds, rounding up */
15674 /* use floating point to avoid strangeness of integer division
15675 with negative dividends on many machines */
15676 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15683 day = second / (60 * 60 * 24);
15684 second = second % (60 * 60 * 24);
15685 hour = second / (60 * 60);
15686 second = second % (60 * 60);
15687 minute = second / 60;
15688 second = second % 60;
15691 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15692 sign, day, hour, minute, second);
15694 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15696 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15703 * This is necessary because some C libraries aren't ANSI C compliant yet.
15706 StrStr(string, match)
15707 char *string, *match;
15711 length = strlen(match);
15713 for (i = strlen(string) - length; i >= 0; i--, string++)
15714 if (!strncmp(match, string, length))
15721 StrCaseStr(string, match)
15722 char *string, *match;
15726 length = strlen(match);
15728 for (i = strlen(string) - length; i >= 0; i--, string++) {
15729 for (j = 0; j < length; j++) {
15730 if (ToLower(match[j]) != ToLower(string[j]))
15733 if (j == length) return string;
15747 c1 = ToLower(*s1++);
15748 c2 = ToLower(*s2++);
15749 if (c1 > c2) return 1;
15750 if (c1 < c2) return -1;
15751 if (c1 == NULLCHAR) return 0;
15760 return isupper(c) ? tolower(c) : c;
15768 return islower(c) ? toupper(c) : c;
15770 #endif /* !_amigados */
15778 if ((ret = (char *) malloc(strlen(s) + 1)))
15780 safeStrCpy(ret, s, strlen(s)+1);
15786 StrSavePtr(s, savePtr)
15787 char *s, **savePtr;
15792 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15793 safeStrCpy(*savePtr, s, strlen(s)+1);
15805 clock = time((time_t *)NULL);
15806 tm = localtime(&clock);
15807 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15808 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15809 return StrSave(buf);
15814 PositionToFEN(move, overrideCastling)
15816 char *overrideCastling;
15818 int i, j, fromX, fromY, toX, toY;
15825 whiteToPlay = (gameMode == EditPosition) ?
15826 !blackPlaysFirst : (move % 2 == 0);
15829 /* Piece placement data */
15830 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15832 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15833 if (boards[move][i][j] == EmptySquare) {
15835 } else { ChessSquare piece = boards[move][i][j];
15836 if (emptycount > 0) {
15837 if(emptycount<10) /* [HGM] can be >= 10 */
15838 *p++ = '0' + emptycount;
15839 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15842 if(PieceToChar(piece) == '+') {
15843 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15845 piece = (ChessSquare)(DEMOTED piece);
15847 *p++ = PieceToChar(piece);
15849 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15850 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15855 if (emptycount > 0) {
15856 if(emptycount<10) /* [HGM] can be >= 10 */
15857 *p++ = '0' + emptycount;
15858 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15865 /* [HGM] print Crazyhouse or Shogi holdings */
15866 if( gameInfo.holdingsWidth ) {
15867 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15869 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15870 piece = boards[move][i][BOARD_WIDTH-1];
15871 if( piece != EmptySquare )
15872 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15873 *p++ = PieceToChar(piece);
15875 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15876 piece = boards[move][BOARD_HEIGHT-i-1][0];
15877 if( piece != EmptySquare )
15878 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15879 *p++ = PieceToChar(piece);
15882 if( q == p ) *p++ = '-';
15888 *p++ = whiteToPlay ? 'w' : 'b';
15891 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15892 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15894 if(nrCastlingRights) {
15896 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15897 /* [HGM] write directly from rights */
15898 if(boards[move][CASTLING][2] != NoRights &&
15899 boards[move][CASTLING][0] != NoRights )
15900 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15901 if(boards[move][CASTLING][2] != NoRights &&
15902 boards[move][CASTLING][1] != NoRights )
15903 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15904 if(boards[move][CASTLING][5] != NoRights &&
15905 boards[move][CASTLING][3] != NoRights )
15906 *p++ = boards[move][CASTLING][3] + AAA;
15907 if(boards[move][CASTLING][5] != NoRights &&
15908 boards[move][CASTLING][4] != NoRights )
15909 *p++ = boards[move][CASTLING][4] + AAA;
15912 /* [HGM] write true castling rights */
15913 if( nrCastlingRights == 6 ) {
15914 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15915 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15916 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15917 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15918 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15919 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15920 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15921 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15924 if (q == p) *p++ = '-'; /* No castling rights */
15928 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15929 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15930 /* En passant target square */
15931 if (move > backwardMostMove) {
15932 fromX = moveList[move - 1][0] - AAA;
15933 fromY = moveList[move - 1][1] - ONE;
15934 toX = moveList[move - 1][2] - AAA;
15935 toY = moveList[move - 1][3] - ONE;
15936 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15937 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15938 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15940 /* 2-square pawn move just happened */
15942 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15946 } else if(move == backwardMostMove) {
15947 // [HGM] perhaps we should always do it like this, and forget the above?
15948 if((signed char)boards[move][EP_STATUS] >= 0) {
15949 *p++ = boards[move][EP_STATUS] + AAA;
15950 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15961 /* [HGM] find reversible plies */
15962 { int i = 0, j=move;
15964 if (appData.debugMode) { int k;
15965 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15966 for(k=backwardMostMove; k<=forwardMostMove; k++)
15967 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15971 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15972 if( j == backwardMostMove ) i += initialRulePlies;
15973 sprintf(p, "%d ", i);
15974 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15976 /* Fullmove number */
15977 sprintf(p, "%d", (move / 2) + 1);
15979 return StrSave(buf);
15983 ParseFEN(board, blackPlaysFirst, fen)
15985 int *blackPlaysFirst;
15995 /* [HGM] by default clear Crazyhouse holdings, if present */
15996 if(gameInfo.holdingsWidth) {
15997 for(i=0; i<BOARD_HEIGHT; i++) {
15998 board[i][0] = EmptySquare; /* black holdings */
15999 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16000 board[i][1] = (ChessSquare) 0; /* black counts */
16001 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16005 /* Piece placement data */
16006 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16009 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16010 if (*p == '/') p++;
16011 emptycount = gameInfo.boardWidth - j;
16012 while (emptycount--)
16013 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16015 #if(BOARD_FILES >= 10)
16016 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16017 p++; emptycount=10;
16018 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16019 while (emptycount--)
16020 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16022 } else if (isdigit(*p)) {
16023 emptycount = *p++ - '0';
16024 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16025 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16026 while (emptycount--)
16027 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16028 } else if (*p == '+' || isalpha(*p)) {
16029 if (j >= gameInfo.boardWidth) return FALSE;
16031 piece = CharToPiece(*++p);
16032 if(piece == EmptySquare) return FALSE; /* unknown piece */
16033 piece = (ChessSquare) (PROMOTED piece ); p++;
16034 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16035 } else piece = CharToPiece(*p++);
16037 if(piece==EmptySquare) return FALSE; /* unknown piece */
16038 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16039 piece = (ChessSquare) (PROMOTED piece);
16040 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16043 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16049 while (*p == '/' || *p == ' ') p++;
16051 /* [HGM] look for Crazyhouse holdings here */
16052 while(*p==' ') p++;
16053 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16055 if(*p == '-' ) p++; /* empty holdings */ else {
16056 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16057 /* if we would allow FEN reading to set board size, we would */
16058 /* have to add holdings and shift the board read so far here */
16059 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16061 if((int) piece >= (int) BlackPawn ) {
16062 i = (int)piece - (int)BlackPawn;
16063 i = PieceToNumber((ChessSquare)i);
16064 if( i >= gameInfo.holdingsSize ) return FALSE;
16065 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16066 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16068 i = (int)piece - (int)WhitePawn;
16069 i = PieceToNumber((ChessSquare)i);
16070 if( i >= gameInfo.holdingsSize ) return FALSE;
16071 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16072 board[i][BOARD_WIDTH-2]++; /* black holdings */
16079 while(*p == ' ') p++;
16083 if(appData.colorNickNames) {
16084 if( c == appData.colorNickNames[0] ) c = 'w'; else
16085 if( c == appData.colorNickNames[1] ) c = 'b';
16089 *blackPlaysFirst = FALSE;
16092 *blackPlaysFirst = TRUE;
16098 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16099 /* return the extra info in global variiables */
16101 /* set defaults in case FEN is incomplete */
16102 board[EP_STATUS] = EP_UNKNOWN;
16103 for(i=0; i<nrCastlingRights; i++ ) {
16104 board[CASTLING][i] =
16105 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16106 } /* assume possible unless obviously impossible */
16107 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16108 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16109 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16110 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16111 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16112 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16113 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16114 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16117 while(*p==' ') p++;
16118 if(nrCastlingRights) {
16119 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16120 /* castling indicator present, so default becomes no castlings */
16121 for(i=0; i<nrCastlingRights; i++ ) {
16122 board[CASTLING][i] = NoRights;
16125 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16126 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16127 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16128 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16129 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16131 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16132 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16133 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16135 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16136 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16137 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16138 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16139 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16140 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16143 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16144 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16145 board[CASTLING][2] = whiteKingFile;
16148 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16149 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16150 board[CASTLING][2] = whiteKingFile;
16153 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16154 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16155 board[CASTLING][5] = blackKingFile;
16158 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16159 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16160 board[CASTLING][5] = blackKingFile;
16163 default: /* FRC castlings */
16164 if(c >= 'a') { /* black rights */
16165 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16166 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16167 if(i == BOARD_RGHT) break;
16168 board[CASTLING][5] = i;
16170 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16171 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16173 board[CASTLING][3] = c;
16175 board[CASTLING][4] = c;
16176 } else { /* white rights */
16177 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16178 if(board[0][i] == WhiteKing) break;
16179 if(i == BOARD_RGHT) break;
16180 board[CASTLING][2] = i;
16181 c -= AAA - 'a' + 'A';
16182 if(board[0][c] >= WhiteKing) break;
16184 board[CASTLING][0] = c;
16186 board[CASTLING][1] = c;
16190 for(i=0; i<nrCastlingRights; i++)
16191 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16192 if (appData.debugMode) {
16193 fprintf(debugFP, "FEN castling rights:");
16194 for(i=0; i<nrCastlingRights; i++)
16195 fprintf(debugFP, " %d", board[CASTLING][i]);
16196 fprintf(debugFP, "\n");
16199 while(*p==' ') p++;
16202 /* read e.p. field in games that know e.p. capture */
16203 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16204 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16206 p++; board[EP_STATUS] = EP_NONE;
16208 char c = *p++ - AAA;
16210 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16211 if(*p >= '0' && *p <='9') p++;
16212 board[EP_STATUS] = c;
16217 if(sscanf(p, "%d", &i) == 1) {
16218 FENrulePlies = i; /* 50-move ply counter */
16219 /* (The move number is still ignored) */
16226 EditPositionPasteFEN(char *fen)
16229 Board initial_position;
16231 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16232 DisplayError(_("Bad FEN position in clipboard"), 0);
16235 int savedBlackPlaysFirst = blackPlaysFirst;
16236 EditPositionEvent();
16237 blackPlaysFirst = savedBlackPlaysFirst;
16238 CopyBoard(boards[0], initial_position);
16239 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16240 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16241 DisplayBothClocks();
16242 DrawPosition(FALSE, boards[currentMove]);
16247 static char cseq[12] = "\\ ";
16249 Boolean set_cont_sequence(char *new_seq)
16254 // handle bad attempts to set the sequence
16256 return 0; // acceptable error - no debug
16258 len = strlen(new_seq);
16259 ret = (len > 0) && (len < sizeof(cseq));
16261 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16262 else if (appData.debugMode)
16263 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16268 reformat a source message so words don't cross the width boundary. internal
16269 newlines are not removed. returns the wrapped size (no null character unless
16270 included in source message). If dest is NULL, only calculate the size required
16271 for the dest buffer. lp argument indicats line position upon entry, and it's
16272 passed back upon exit.
16274 int wrap(char *dest, char *src, int count, int width, int *lp)
16276 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16278 cseq_len = strlen(cseq);
16279 old_line = line = *lp;
16280 ansi = len = clen = 0;
16282 for (i=0; i < count; i++)
16284 if (src[i] == '\033')
16287 // if we hit the width, back up
16288 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16290 // store i & len in case the word is too long
16291 old_i = i, old_len = len;
16293 // find the end of the last word
16294 while (i && src[i] != ' ' && src[i] != '\n')
16300 // word too long? restore i & len before splitting it
16301 if ((old_i-i+clen) >= width)
16308 if (i && src[i-1] == ' ')
16311 if (src[i] != ' ' && src[i] != '\n')
16318 // now append the newline and continuation sequence
16323 strncpy(dest+len, cseq, cseq_len);
16331 dest[len] = src[i];
16335 if (src[i] == '\n')
16340 if (dest && appData.debugMode)
16342 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16343 count, width, line, len, *lp);
16344 show_bytes(debugFP, src, count);
16345 fprintf(debugFP, "\ndest: ");
16346 show_bytes(debugFP, dest, len);
16347 fprintf(debugFP, "\n");
16349 *lp = dest ? line : old_line;
16354 // [HGM] vari: routines for shelving variations
16357 PushInner(int firstMove, int lastMove)
16359 int i, j, nrMoves = lastMove - firstMove;
16361 // push current tail of game on stack
16362 savedResult[storedGames] = gameInfo.result;
16363 savedDetails[storedGames] = gameInfo.resultDetails;
16364 gameInfo.resultDetails = NULL;
16365 savedFirst[storedGames] = firstMove;
16366 savedLast [storedGames] = lastMove;
16367 savedFramePtr[storedGames] = framePtr;
16368 framePtr -= nrMoves; // reserve space for the boards
16369 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16370 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16371 for(j=0; j<MOVE_LEN; j++)
16372 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16373 for(j=0; j<2*MOVE_LEN; j++)
16374 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16375 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16376 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16377 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16378 pvInfoList[firstMove+i-1].depth = 0;
16379 commentList[framePtr+i] = commentList[firstMove+i];
16380 commentList[firstMove+i] = NULL;
16384 forwardMostMove = firstMove; // truncate game so we can start variation
16388 PushTail(int firstMove, int lastMove)
16390 if(appData.icsActive) { // only in local mode
16391 forwardMostMove = currentMove; // mimic old ICS behavior
16394 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16396 PushInner(firstMove, lastMove);
16397 if(storedGames == 1) GreyRevert(FALSE);
16401 PopInner(Boolean annotate)
16404 char buf[8000], moveBuf[20];
16407 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16408 nrMoves = savedLast[storedGames] - currentMove;
16411 if(!WhiteOnMove(currentMove))
16412 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16413 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16414 for(i=currentMove; i<forwardMostMove; i++) {
16416 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16417 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16418 strcat(buf, moveBuf);
16419 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16420 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16424 for(i=1; i<=nrMoves; i++) { // copy last variation back
16425 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16426 for(j=0; j<MOVE_LEN; j++)
16427 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16428 for(j=0; j<2*MOVE_LEN; j++)
16429 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16430 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16431 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16432 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16433 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16434 commentList[currentMove+i] = commentList[framePtr+i];
16435 commentList[framePtr+i] = NULL;
16437 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16438 framePtr = savedFramePtr[storedGames];
16439 gameInfo.result = savedResult[storedGames];
16440 if(gameInfo.resultDetails != NULL) {
16441 free(gameInfo.resultDetails);
16443 gameInfo.resultDetails = savedDetails[storedGames];
16444 forwardMostMove = currentMove + nrMoves;
16448 PopTail(Boolean annotate)
16450 if(appData.icsActive) return FALSE; // only in local mode
16451 if(!storedGames) return FALSE; // sanity
16452 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16454 PopInner(annotate);
16456 if(storedGames == 0) GreyRevert(TRUE);
16462 { // remove all shelved variations
16464 for(i=0; i<storedGames; i++) {
16465 if(savedDetails[i])
16466 free(savedDetails[i]);
16467 savedDetails[i] = NULL;
16469 for(i=framePtr; i<MAX_MOVES; i++) {
16470 if(commentList[i]) free(commentList[i]);
16471 commentList[i] = NULL;
16473 framePtr = MAX_MOVES-1;
16478 LoadVariation(int index, char *text)
16479 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16480 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16481 int level = 0, move;
16483 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16484 // first find outermost bracketing variation
16485 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16486 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16487 if(*p == '{') wait = '}'; else
16488 if(*p == '[') wait = ']'; else
16489 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16490 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16492 if(*p == wait) wait = NULLCHAR; // closing ]} found
16495 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16496 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16497 end[1] = NULLCHAR; // clip off comment beyond variation
16498 ToNrEvent(currentMove-1);
16499 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16500 // kludge: use ParsePV() to append variation to game
16501 move = currentMove;
16502 ParsePV(start, TRUE, TRUE);
16503 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16504 ClearPremoveHighlights();
16506 ToNrEvent(currentMove+1);