2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
60 int flock(int f, int code);
66 #define DoSleep( n ) if( (n) >= 0) sleep(n)
77 #include <sys/types.h>
86 #else /* not STDC_HEADERS */
89 # else /* not HAVE_STRING_H */
91 # endif /* not HAVE_STRING_H */
92 #endif /* not STDC_HEADERS */
95 # include <sys/fcntl.h>
96 #else /* not HAVE_SYS_FCNTL_H */
99 # endif /* HAVE_FCNTL_H */
100 #endif /* not HAVE_SYS_FCNTL_H */
102 #if TIME_WITH_SYS_TIME
103 # include <sys/time.h>
107 # include <sys/time.h>
113 #if defined(_amigados) && !defined(__GNUC__)
118 extern int gettimeofday(struct timeval *, struct timezone *);
126 #include "frontend.h"
133 #include "backendz.h"
137 # define _(s) gettext (s)
138 # define N_(s) gettext_noop (s)
139 # define T_(s) gettext(s)
152 /* A point in time */
154 long sec; /* Assuming this is >= 32 bits */
155 int ms; /* Assuming this is >= 16 bits */
158 int establish P((void));
159 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
160 char *buf, int count, int error));
161 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
162 char *buf, int count, int error));
163 void ics_printf P((char *format, ...));
164 void SendToICS P((char *s));
165 void SendToICSDelayed P((char *s, long msdelay));
166 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
167 void HandleMachineMove P((char *message, ChessProgramState *cps));
168 int AutoPlayOneMove P((void));
169 int LoadGameOneMove P((ChessMove readAhead));
170 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
171 int LoadPositionFromFile P((char *filename, int n, char *title));
172 int SavePositionToFile P((char *filename));
173 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
175 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
176 void ShowMove P((int fromX, int fromY, int toX, int toY));
177 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
178 /*char*/int promoChar));
179 void BackwardInner P((int target));
180 void ForwardInner P((int target));
181 int Adjudicate P((ChessProgramState *cps));
182 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
183 void EditPositionDone P((Boolean fakeRights));
184 void PrintOpponents P((FILE *fp));
185 void PrintPosition P((FILE *fp, int move));
186 void StartChessProgram P((ChessProgramState *cps));
187 void SendToProgram P((char *message, ChessProgramState *cps));
188 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
189 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
190 char *buf, int count, int error));
191 void SendTimeControl P((ChessProgramState *cps,
192 int mps, long tc, int inc, int sd, int st));
193 char *TimeControlTagValue P((void));
194 void Attention P((ChessProgramState *cps));
195 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
196 int ResurrectChessProgram P((void));
197 void DisplayComment P((int moveNumber, char *text));
198 void DisplayMove P((int moveNumber));
200 void ParseGameHistory P((char *game));
201 void ParseBoard12 P((char *string));
202 void KeepAlive P((void));
203 void StartClocks P((void));
204 void SwitchClocks P((int nr));
205 void StopClocks P((void));
206 void ResetClocks P((void));
207 char *PGNDate P((void));
208 void SetGameInfo P((void));
209 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
210 int RegisterMove P((void));
211 void MakeRegisteredMove P((void));
212 void TruncateGame P((void));
213 int looking_at P((char *, int *, char *));
214 void CopyPlayerNameIntoFileName P((char **, char *));
215 char *SavePart P((char *));
216 int SaveGameOldStyle P((FILE *));
217 int SaveGamePGN P((FILE *));
218 void GetTimeMark P((TimeMark *));
219 long SubtractTimeMarks P((TimeMark *, TimeMark *));
220 int CheckFlags P((void));
221 long NextTickLength P((long));
222 void CheckTimeControl P((void));
223 void show_bytes P((FILE *, char *, int));
224 int string_to_rating P((char *str));
225 void ParseFeatures P((char* args, ChessProgramState *cps));
226 void InitBackEnd3 P((void));
227 void FeatureDone P((ChessProgramState* cps, int val));
228 void InitChessProgram P((ChessProgramState *cps, int setup));
229 void OutputKibitz(int window, char *text);
230 int PerpetualChase(int first, int last);
231 int EngineOutputIsUp();
232 void InitDrawingSizes(int x, int y);
233 void NextMatchGame P((void));
234 int NextTourneyGame P((int nr, int *swap));
235 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
236 FILE *WriteTourneyFile P((char *results));
237 void DisplayTwoMachinesTitle P(());
240 extern void ConsoleCreate();
243 ChessProgramState *WhitePlayer();
244 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
245 int VerifyDisplayMode P(());
247 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
248 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
249 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
250 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
251 void ics_update_width P((int new_width));
252 extern char installDir[MSG_SIZ];
253 VariantClass startVariant; /* [HGM] nicks: initial variant */
256 extern int tinyLayout, smallLayout;
257 ChessProgramStats programStats;
258 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
260 static int exiting = 0; /* [HGM] moved to top */
261 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
262 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
263 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
264 int partnerHighlight[2];
265 Boolean partnerBoardValid = 0;
266 char partnerStatus[MSG_SIZ];
268 Boolean originalFlip;
269 Boolean twoBoards = 0;
270 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
271 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
272 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
273 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
274 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
275 int opponentKibitzes;
276 int lastSavedGame; /* [HGM] save: ID of game */
277 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
278 extern int chatCount;
280 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
281 char lastMsg[MSG_SIZ];
282 ChessSquare pieceSweep = EmptySquare;
283 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
284 int promoDefaultAltered;
286 /* States for ics_getting_history */
288 #define H_REQUESTED 1
289 #define H_GOT_REQ_HEADER 2
290 #define H_GOT_UNREQ_HEADER 3
291 #define H_GETTING_MOVES 4
292 #define H_GOT_UNWANTED_HEADER 5
294 /* whosays values for GameEnds */
303 /* Maximum number of games in a cmail message */
304 #define CMAIL_MAX_GAMES 20
306 /* Different types of move when calling RegisterMove */
308 #define CMAIL_RESIGN 1
310 #define CMAIL_ACCEPT 3
312 /* Different types of result to remember for each game */
313 #define CMAIL_NOT_RESULT 0
314 #define CMAIL_OLD_RESULT 1
315 #define CMAIL_NEW_RESULT 2
317 /* Telnet protocol constants */
328 safeStrCpy( char *dst, const char *src, size_t count )
331 assert( dst != NULL );
332 assert( src != NULL );
335 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
336 if( i == count && dst[count-1] != NULLCHAR)
338 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
339 if(appData.debugMode)
340 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
346 /* Some compiler can't cast u64 to double
347 * This function do the job for us:
349 * We use the highest bit for cast, this only
350 * works if the highest bit is not
351 * in use (This should not happen)
353 * We used this for all compiler
356 u64ToDouble(u64 value)
359 u64 tmp = value & u64Const(0x7fffffffffffffff);
360 r = (double)(s64)tmp;
361 if (value & u64Const(0x8000000000000000))
362 r += 9.2233720368547758080e18; /* 2^63 */
366 /* Fake up flags for now, as we aren't keeping track of castling
367 availability yet. [HGM] Change of logic: the flag now only
368 indicates the type of castlings allowed by the rule of the game.
369 The actual rights themselves are maintained in the array
370 castlingRights, as part of the game history, and are not probed
376 int flags = F_ALL_CASTLE_OK;
377 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
378 switch (gameInfo.variant) {
380 flags &= ~F_ALL_CASTLE_OK;
381 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
382 flags |= F_IGNORE_CHECK;
384 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
387 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
389 case VariantKriegspiel:
390 flags |= F_KRIEGSPIEL_CAPTURE;
392 case VariantCapaRandom:
393 case VariantFischeRandom:
394 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
395 case VariantNoCastle:
396 case VariantShatranj:
400 flags &= ~F_ALL_CASTLE_OK;
408 FILE *gameFileFP, *debugFP;
411 [AS] Note: sometimes, the sscanf() function is used to parse the input
412 into a fixed-size buffer. Because of this, we must be prepared to
413 receive strings as long as the size of the input buffer, which is currently
414 set to 4K for Windows and 8K for the rest.
415 So, we must either allocate sufficiently large buffers here, or
416 reduce the size of the input buffer in the input reading part.
419 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
420 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
421 char thinkOutput1[MSG_SIZ*10];
423 ChessProgramState first, second, pairing;
425 /* premove variables */
428 int premoveFromX = 0;
429 int premoveFromY = 0;
430 int premovePromoChar = 0;
432 Boolean alarmSounded;
433 /* end premove variables */
435 char *ics_prefix = "$";
436 int ics_type = ICS_GENERIC;
438 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
439 int pauseExamForwardMostMove = 0;
440 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
441 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
442 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
443 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
444 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
445 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
446 int whiteFlag = FALSE, blackFlag = FALSE;
447 int userOfferedDraw = FALSE;
448 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
449 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
450 int cmailMoveType[CMAIL_MAX_GAMES];
451 long ics_clock_paused = 0;
452 ProcRef icsPR = NoProc, cmailPR = NoProc;
453 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
454 GameMode gameMode = BeginningOfGame;
455 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
456 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
457 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
458 int hiddenThinkOutputState = 0; /* [AS] */
459 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
460 int adjudicateLossPlies = 6;
461 char white_holding[64], black_holding[64];
462 TimeMark lastNodeCountTime;
463 long lastNodeCount=0;
464 int shiftKey; // [HGM] set by mouse handler
466 int have_sent_ICS_logon = 0;
468 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
469 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
470 long timeControl_2; /* [AS] Allow separate time controls */
471 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
472 long timeRemaining[2][MAX_MOVES];
473 int matchGame = 0, nextGame = 0, roundNr = 0;
474 Boolean waitingForGame = FALSE;
475 TimeMark programStartTime, pauseStart;
476 char ics_handle[MSG_SIZ];
477 int have_set_title = 0;
479 /* animateTraining preserves the state of appData.animate
480 * when Training mode is activated. This allows the
481 * response to be animated when appData.animate == TRUE and
482 * appData.animateDragging == TRUE.
484 Boolean animateTraining;
490 Board boards[MAX_MOVES];
491 /* [HGM] Following 7 needed for accurate legality tests: */
492 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
493 signed char initialRights[BOARD_FILES];
494 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
495 int initialRulePlies, FENrulePlies;
496 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
498 Boolean shuffleOpenings;
499 int mute; // mute all sounds
501 // [HGM] vari: next 12 to save and restore variations
502 #define MAX_VARIATIONS 10
503 int framePtr = MAX_MOVES-1; // points to free stack entry
505 int savedFirst[MAX_VARIATIONS];
506 int savedLast[MAX_VARIATIONS];
507 int savedFramePtr[MAX_VARIATIONS];
508 char *savedDetails[MAX_VARIATIONS];
509 ChessMove savedResult[MAX_VARIATIONS];
511 void PushTail P((int firstMove, int lastMove));
512 Boolean PopTail P((Boolean annotate));
513 void PushInner P((int firstMove, int lastMove));
514 void PopInner P((Boolean annotate));
515 void CleanupTail P((void));
517 ChessSquare FIDEArray[2][BOARD_FILES] = {
518 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
519 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
521 BlackKing, BlackBishop, BlackKnight, BlackRook }
524 ChessSquare twoKingsArray[2][BOARD_FILES] = {
525 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
526 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
527 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
528 BlackKing, BlackKing, BlackKnight, BlackRook }
531 ChessSquare KnightmateArray[2][BOARD_FILES] = {
532 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
533 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
534 { BlackRook, BlackMan, BlackBishop, BlackQueen,
535 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
538 ChessSquare SpartanArray[2][BOARD_FILES] = {
539 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
540 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
541 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
542 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
545 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
546 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
547 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
548 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
549 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
552 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
553 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
554 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
556 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
559 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
560 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
561 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
562 { BlackRook, BlackKnight, BlackMan, BlackFerz,
563 BlackKing, BlackMan, BlackKnight, BlackRook }
567 #if (BOARD_FILES>=10)
568 ChessSquare ShogiArray[2][BOARD_FILES] = {
569 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
570 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
571 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
572 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
575 ChessSquare XiangqiArray[2][BOARD_FILES] = {
576 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
577 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
579 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
582 ChessSquare CapablancaArray[2][BOARD_FILES] = {
583 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
584 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
585 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
586 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
589 ChessSquare GreatArray[2][BOARD_FILES] = {
590 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
591 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
592 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
593 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
596 ChessSquare JanusArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
598 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
599 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
600 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
603 ChessSquare GrandArray[2][BOARD_FILES] = {
604 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
605 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
606 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
607 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
611 ChessSquare GothicArray[2][BOARD_FILES] = {
612 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
613 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
614 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
615 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
618 #define GothicArray CapablancaArray
622 ChessSquare FalconArray[2][BOARD_FILES] = {
623 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
624 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
625 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
626 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
629 #define FalconArray CapablancaArray
632 #else // !(BOARD_FILES>=10)
633 #define XiangqiPosition FIDEArray
634 #define CapablancaArray FIDEArray
635 #define GothicArray FIDEArray
636 #define GreatArray FIDEArray
637 #endif // !(BOARD_FILES>=10)
639 #if (BOARD_FILES>=12)
640 ChessSquare CourierArray[2][BOARD_FILES] = {
641 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
642 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
643 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
644 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
646 #else // !(BOARD_FILES>=12)
647 #define CourierArray CapablancaArray
648 #endif // !(BOARD_FILES>=12)
651 Board initialPosition;
654 /* Convert str to a rating. Checks for special cases of "----",
656 "++++", etc. Also strips ()'s */
658 string_to_rating(str)
661 while(*str && !isdigit(*str)) ++str;
663 return 0; /* One of the special "no rating" cases */
671 /* Init programStats */
672 programStats.movelist[0] = 0;
673 programStats.depth = 0;
674 programStats.nr_moves = 0;
675 programStats.moves_left = 0;
676 programStats.nodes = 0;
677 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
678 programStats.score = 0;
679 programStats.got_only_move = 0;
680 programStats.got_fail = 0;
681 programStats.line_is_book = 0;
686 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
687 if (appData.firstPlaysBlack) {
688 first.twoMachinesColor = "black\n";
689 second.twoMachinesColor = "white\n";
691 first.twoMachinesColor = "white\n";
692 second.twoMachinesColor = "black\n";
695 first.other = &second;
696 second.other = &first;
699 if(appData.timeOddsMode) {
700 norm = appData.timeOdds[0];
701 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
703 first.timeOdds = appData.timeOdds[0]/norm;
704 second.timeOdds = appData.timeOdds[1]/norm;
707 if(programVersion) free(programVersion);
708 if (appData.noChessProgram) {
709 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
710 sprintf(programVersion, "%s", PACKAGE_STRING);
712 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
713 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
714 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
719 UnloadEngine(ChessProgramState *cps)
721 /* Kill off first chess program */
722 if (cps->isr != NULL)
723 RemoveInputSource(cps->isr);
726 if (cps->pr != NoProc) {
728 DoSleep( appData.delayBeforeQuit );
729 SendToProgram("quit\n", cps);
730 DoSleep( appData.delayAfterQuit );
731 DestroyChildProcess(cps->pr, cps->useSigterm);
734 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
738 ClearOptions(ChessProgramState *cps)
741 cps->nrOptions = cps->comboCnt = 0;
742 for(i=0; i<MAX_OPTIONS; i++) {
743 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
744 cps->option[i].textValue = 0;
748 char *engineNames[] = {
754 InitEngine(ChessProgramState *cps, int n)
755 { // [HGM] all engine initialiation put in a function that does one engine
759 cps->which = engineNames[n];
760 cps->maybeThinking = FALSE;
764 cps->sendDrawOffers = 1;
766 cps->program = appData.chessProgram[n];
767 cps->host = appData.host[n];
768 cps->dir = appData.directory[n];
769 cps->initString = appData.engInitString[n];
770 cps->computerString = appData.computerString[n];
771 cps->useSigint = TRUE;
772 cps->useSigterm = TRUE;
773 cps->reuse = appData.reuse[n];
774 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
775 cps->useSetboard = FALSE;
777 cps->usePing = FALSE;
780 cps->usePlayother = FALSE;
781 cps->useColors = TRUE;
782 cps->useUsermove = FALSE;
783 cps->sendICS = FALSE;
784 cps->sendName = appData.icsActive;
785 cps->sdKludge = FALSE;
786 cps->stKludge = FALSE;
787 TidyProgramName(cps->program, cps->host, cps->tidy);
789 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
790 cps->analysisSupport = 2; /* detect */
791 cps->analyzing = FALSE;
792 cps->initDone = FALSE;
794 /* New features added by Tord: */
795 cps->useFEN960 = FALSE;
796 cps->useOOCastle = TRUE;
797 /* End of new features added by Tord. */
798 cps->fenOverride = appData.fenOverride[n];
800 /* [HGM] time odds: set factor for each machine */
801 cps->timeOdds = appData.timeOdds[n];
803 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
804 cps->accumulateTC = appData.accumulateTC[n];
805 cps->maxNrOfSessions = 1;
810 cps->supportsNPS = UNKNOWN;
811 cps->memSize = FALSE;
812 cps->maxCores = FALSE;
813 cps->egtFormats[0] = NULLCHAR;
816 cps->optionSettings = appData.engOptions[n];
818 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
819 cps->isUCI = appData.isUCI[n]; /* [AS] */
820 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
822 if (appData.protocolVersion[n] > PROTOVER
823 || appData.protocolVersion[n] < 1)
828 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
829 appData.protocolVersion[n]);
830 if( (len > MSG_SIZ) && appData.debugMode )
831 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
833 DisplayFatalError(buf, 0, 2);
837 cps->protocolVersion = appData.protocolVersion[n];
840 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
843 ChessProgramState *savCps;
849 if(WaitForEngine(savCps, LoadEngine)) return;
850 CommonEngineInit(); // recalculate time odds
851 if(gameInfo.variant != StringToVariant(appData.variant)) {
852 // we changed variant when loading the engine; this forces us to reset
853 Reset(TRUE, savCps != &first);
854 EditGameEvent(); // for consistency with other path, as Reset changes mode
856 InitChessProgram(savCps, FALSE);
857 SendToProgram("force\n", savCps);
858 DisplayMessage("", "");
859 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
860 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
866 ReplaceEngine(ChessProgramState *cps, int n)
870 appData.noChessProgram = FALSE;
871 appData.clockMode = TRUE;
874 if(n) return; // only startup first engine immediately; second can wait
875 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
879 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
880 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
882 static char resetOptions[] =
883 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
884 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
887 Load(ChessProgramState *cps, int i)
889 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
890 if(engineLine[0]) { // an engine was selected from the combo box
891 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
892 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
893 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
894 ParseArgsFromString(buf);
896 ReplaceEngine(cps, i);
900 while(q = strchr(p, SLASH)) p = q+1;
901 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
902 if(engineDir[0] != NULLCHAR)
903 appData.directory[i] = engineDir;
904 else if(p != engineName) { // derive directory from engine path, when not given
906 appData.directory[i] = strdup(engineName);
908 } else appData.directory[i] = ".";
909 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
911 snprintf(command, MSG_SIZ, "%s %s", p, params);
914 appData.chessProgram[i] = strdup(p);
915 appData.isUCI[i] = isUCI;
916 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
917 appData.hasOwnBookUCI[i] = hasBook;
918 if(!nickName[0]) useNick = FALSE;
919 if(useNick) ASSIGN(appData.pgnName[i], nickName);
923 q = firstChessProgramNames;
924 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
925 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
926 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
927 quote, p, quote, appData.directory[i],
928 useNick ? " -fn \"" : "",
929 useNick ? nickName : "",
931 v1 ? " -firstProtocolVersion 1" : "",
932 hasBook ? "" : " -fNoOwnBookUCI",
933 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
934 storeVariant ? " -variant " : "",
935 storeVariant ? VariantName(gameInfo.variant) : "");
936 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
937 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
940 ReplaceEngine(cps, i);
946 int matched, min, sec;
948 * Parse timeControl resource
950 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
951 appData.movesPerSession)) {
953 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
954 DisplayFatalError(buf, 0, 2);
958 * Parse searchTime resource
960 if (*appData.searchTime != NULLCHAR) {
961 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
963 searchTime = min * 60;
964 } else if (matched == 2) {
965 searchTime = min * 60 + sec;
968 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
969 DisplayFatalError(buf, 0, 2);
978 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
979 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
981 GetTimeMark(&programStartTime);
982 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
983 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
986 programStats.ok_to_send = 1;
987 programStats.seen_stat = 0;
990 * Initialize game list
996 * Internet chess server status
998 if (appData.icsActive) {
999 appData.matchMode = FALSE;
1000 appData.matchGames = 0;
1002 appData.noChessProgram = !appData.zippyPlay;
1004 appData.zippyPlay = FALSE;
1005 appData.zippyTalk = FALSE;
1006 appData.noChessProgram = TRUE;
1008 if (*appData.icsHelper != NULLCHAR) {
1009 appData.useTelnet = TRUE;
1010 appData.telnetProgram = appData.icsHelper;
1013 appData.zippyTalk = appData.zippyPlay = FALSE;
1016 /* [AS] Initialize pv info list [HGM] and game state */
1020 for( i=0; i<=framePtr; i++ ) {
1021 pvInfoList[i].depth = -1;
1022 boards[i][EP_STATUS] = EP_NONE;
1023 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1029 /* [AS] Adjudication threshold */
1030 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1032 InitEngine(&first, 0);
1033 InitEngine(&second, 1);
1036 pairing.which = "pairing"; // pairing engine
1037 pairing.pr = NoProc;
1039 pairing.program = appData.pairingEngine;
1040 pairing.host = "localhost";
1043 if (appData.icsActive) {
1044 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1045 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1046 appData.clockMode = FALSE;
1047 first.sendTime = second.sendTime = 0;
1051 /* Override some settings from environment variables, for backward
1052 compatibility. Unfortunately it's not feasible to have the env
1053 vars just set defaults, at least in xboard. Ugh.
1055 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1060 if (!appData.icsActive) {
1064 /* Check for variants that are supported only in ICS mode,
1065 or not at all. Some that are accepted here nevertheless
1066 have bugs; see comments below.
1068 VariantClass variant = StringToVariant(appData.variant);
1070 case VariantBughouse: /* need four players and two boards */
1071 case VariantKriegspiel: /* need to hide pieces and move details */
1072 /* case VariantFischeRandom: (Fabien: moved below) */
1073 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1074 if( (len > MSG_SIZ) && appData.debugMode )
1075 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1077 DisplayFatalError(buf, 0, 2);
1080 case VariantUnknown:
1081 case VariantLoadable:
1091 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1092 if( (len > MSG_SIZ) && appData.debugMode )
1093 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1095 DisplayFatalError(buf, 0, 2);
1098 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1099 case VariantFairy: /* [HGM] TestLegality definitely off! */
1100 case VariantGothic: /* [HGM] should work */
1101 case VariantCapablanca: /* [HGM] should work */
1102 case VariantCourier: /* [HGM] initial forced moves not implemented */
1103 case VariantShogi: /* [HGM] could still mate with pawn drop */
1104 case VariantKnightmate: /* [HGM] should work */
1105 case VariantCylinder: /* [HGM] untested */
1106 case VariantFalcon: /* [HGM] untested */
1107 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1108 offboard interposition not understood */
1109 case VariantNormal: /* definitely works! */
1110 case VariantWildCastle: /* pieces not automatically shuffled */
1111 case VariantNoCastle: /* pieces not automatically shuffled */
1112 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1113 case VariantLosers: /* should work except for win condition,
1114 and doesn't know captures are mandatory */
1115 case VariantSuicide: /* should work except for win condition,
1116 and doesn't know captures are mandatory */
1117 case VariantGiveaway: /* should work except for win condition,
1118 and doesn't know captures are mandatory */
1119 case VariantTwoKings: /* should work */
1120 case VariantAtomic: /* should work except for win condition */
1121 case Variant3Check: /* should work except for win condition */
1122 case VariantShatranj: /* should work except for all win conditions */
1123 case VariantMakruk: /* should work except for draw countdown */
1124 case VariantBerolina: /* might work if TestLegality is off */
1125 case VariantCapaRandom: /* should work */
1126 case VariantJanus: /* should work */
1127 case VariantSuper: /* experimental */
1128 case VariantGreat: /* experimental, requires legality testing to be off */
1129 case VariantSChess: /* S-Chess, should work */
1130 case VariantGrand: /* should work */
1131 case VariantSpartan: /* should work */
1138 int NextIntegerFromString( char ** str, long * value )
1143 while( *s == ' ' || *s == '\t' ) {
1149 if( *s >= '0' && *s <= '9' ) {
1150 while( *s >= '0' && *s <= '9' ) {
1151 *value = *value * 10 + (*s - '0');
1163 int NextTimeControlFromString( char ** str, long * value )
1166 int result = NextIntegerFromString( str, &temp );
1169 *value = temp * 60; /* Minutes */
1170 if( **str == ':' ) {
1172 result = NextIntegerFromString( str, &temp );
1173 *value += temp; /* Seconds */
1180 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1181 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1182 int result = -1, type = 0; long temp, temp2;
1184 if(**str != ':') return -1; // old params remain in force!
1186 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1187 if( NextIntegerFromString( str, &temp ) ) return -1;
1188 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1191 /* time only: incremental or sudden-death time control */
1192 if(**str == '+') { /* increment follows; read it */
1194 if(**str == '!') type = *(*str)++; // Bronstein TC
1195 if(result = NextIntegerFromString( str, &temp2)) return -1;
1196 *inc = temp2 * 1000;
1197 if(**str == '.') { // read fraction of increment
1198 char *start = ++(*str);
1199 if(result = NextIntegerFromString( str, &temp2)) return -1;
1201 while(start++ < *str) temp2 /= 10;
1205 *moves = 0; *tc = temp * 1000; *incType = type;
1209 (*str)++; /* classical time control */
1210 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1221 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1222 { /* [HGM] get time to add from the multi-session time-control string */
1223 int incType, moves=1; /* kludge to force reading of first session */
1224 long time, increment;
1227 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1228 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1230 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1231 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1232 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1233 if(movenr == -1) return time; /* last move before new session */
1234 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1235 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1236 if(!moves) return increment; /* current session is incremental */
1237 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1238 } while(movenr >= -1); /* try again for next session */
1240 return 0; // no new time quota on this move
1244 ParseTimeControl(tc, ti, mps)
1251 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1254 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1255 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1256 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1260 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1262 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1265 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1267 snprintf(buf, MSG_SIZ, ":%s", mytc);
1269 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1271 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1276 /* Parse second time control */
1279 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1287 timeControl_2 = tc2 * 1000;
1297 timeControl = tc1 * 1000;
1300 timeIncrement = ti * 1000; /* convert to ms */
1301 movesPerSession = 0;
1304 movesPerSession = mps;
1312 if (appData.debugMode) {
1313 fprintf(debugFP, "%s\n", programVersion);
1316 set_cont_sequence(appData.wrapContSeq);
1317 if (appData.matchGames > 0) {
1318 appData.matchMode = TRUE;
1319 } else if (appData.matchMode) {
1320 appData.matchGames = 1;
1322 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1323 appData.matchGames = appData.sameColorGames;
1324 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1325 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1326 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1329 if (appData.noChessProgram || first.protocolVersion == 1) {
1332 /* kludge: allow timeout for initial "feature" commands */
1334 DisplayMessage("", _("Starting chess program"));
1335 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1340 CalculateIndex(int index, int gameNr)
1341 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1343 if(index > 0) return index; // fixed nmber
1344 if(index == 0) return 1;
1345 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1346 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1351 LoadGameOrPosition(int gameNr)
1352 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1353 if (*appData.loadGameFile != NULLCHAR) {
1354 if (!LoadGameFromFile(appData.loadGameFile,
1355 CalculateIndex(appData.loadGameIndex, gameNr),
1356 appData.loadGameFile, FALSE)) {
1357 DisplayFatalError(_("Bad game file"), 0, 1);
1360 } else if (*appData.loadPositionFile != NULLCHAR) {
1361 if (!LoadPositionFromFile(appData.loadPositionFile,
1362 CalculateIndex(appData.loadPositionIndex, gameNr),
1363 appData.loadPositionFile)) {
1364 DisplayFatalError(_("Bad position file"), 0, 1);
1372 ReserveGame(int gameNr, char resChar)
1374 FILE *tf = fopen(appData.tourneyFile, "r+");
1375 char *p, *q, c, buf[MSG_SIZ];
1376 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1377 safeStrCpy(buf, lastMsg, MSG_SIZ);
1378 DisplayMessage(_("Pick new game"), "");
1379 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1380 ParseArgsFromFile(tf);
1381 p = q = appData.results;
1382 if(appData.debugMode) {
1383 char *r = appData.participants;
1384 fprintf(debugFP, "results = '%s'\n", p);
1385 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1386 fprintf(debugFP, "\n");
1388 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1390 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1391 safeStrCpy(q, p, strlen(p) + 2);
1392 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1393 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1394 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1395 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1398 fseek(tf, -(strlen(p)+4), SEEK_END);
1400 if(c != '"') // depending on DOS or Unix line endings we can be one off
1401 fseek(tf, -(strlen(p)+2), SEEK_END);
1402 else fseek(tf, -(strlen(p)+3), SEEK_END);
1403 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1404 DisplayMessage(buf, "");
1405 free(p); appData.results = q;
1406 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1407 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1408 UnloadEngine(&first); // next game belongs to other pairing;
1409 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1414 MatchEvent(int mode)
1415 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1417 if(matchMode) { // already in match mode: switch it off
1419 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1422 // if(gameMode != BeginningOfGame) {
1423 // DisplayError(_("You can only start a match from the initial position."), 0);
1427 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1428 /* Set up machine vs. machine match */
1430 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1431 if(appData.tourneyFile[0]) {
1433 if(nextGame > appData.matchGames) {
1435 if(strchr(appData.results, '*') == NULL) {
1437 appData.tourneyCycles++;
1438 if(f = WriteTourneyFile(appData.results)) { // make a tourney file with increased number of cycles
1440 NextTourneyGame(-1, &dummy);
1442 if(nextGame <= appData.matchGames) {
1443 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1445 ScheduleDelayedEvent(NextMatchGame, 10000);
1450 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1451 DisplayError(buf, 0);
1452 appData.tourneyFile[0] = 0;
1456 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1457 DisplayFatalError(_("Can't have a match with no chess programs"),
1462 matchGame = roundNr = 1;
1463 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1468 InitBackEnd3 P((void))
1470 GameMode initialMode;
1474 InitChessProgram(&first, startedFromSetupPosition);
1476 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1477 free(programVersion);
1478 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1479 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1482 if (appData.icsActive) {
1484 /* [DM] Make a console window if needed [HGM] merged ifs */
1490 if (*appData.icsCommPort != NULLCHAR)
1491 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1492 appData.icsCommPort);
1494 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1495 appData.icsHost, appData.icsPort);
1497 if( (len > MSG_SIZ) && appData.debugMode )
1498 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1500 DisplayFatalError(buf, err, 1);
1505 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1507 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1508 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1509 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1510 } else if (appData.noChessProgram) {
1516 if (*appData.cmailGameName != NULLCHAR) {
1518 OpenLoopback(&cmailPR);
1520 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1524 DisplayMessage("", "");
1525 if (StrCaseCmp(appData.initialMode, "") == 0) {
1526 initialMode = BeginningOfGame;
1527 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1528 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1529 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1530 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1533 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1534 initialMode = TwoMachinesPlay;
1535 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1536 initialMode = AnalyzeFile;
1537 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1538 initialMode = AnalyzeMode;
1539 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1540 initialMode = MachinePlaysWhite;
1541 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1542 initialMode = MachinePlaysBlack;
1543 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1544 initialMode = EditGame;
1545 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1546 initialMode = EditPosition;
1547 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1548 initialMode = Training;
1550 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1551 if( (len > MSG_SIZ) && appData.debugMode )
1552 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1554 DisplayFatalError(buf, 0, 2);
1558 if (appData.matchMode) {
1559 if(appData.tourneyFile[0]) { // start tourney from command line
1561 if(f = fopen(appData.tourneyFile, "r")) {
1562 ParseArgsFromFile(f); // make sure tourney parmeters re known
1564 appData.clockMode = TRUE;
1566 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1569 } else if (*appData.cmailGameName != NULLCHAR) {
1570 /* Set up cmail mode */
1571 ReloadCmailMsgEvent(TRUE);
1573 /* Set up other modes */
1574 if (initialMode == AnalyzeFile) {
1575 if (*appData.loadGameFile == NULLCHAR) {
1576 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1580 if (*appData.loadGameFile != NULLCHAR) {
1581 (void) LoadGameFromFile(appData.loadGameFile,
1582 appData.loadGameIndex,
1583 appData.loadGameFile, TRUE);
1584 } else if (*appData.loadPositionFile != NULLCHAR) {
1585 (void) LoadPositionFromFile(appData.loadPositionFile,
1586 appData.loadPositionIndex,
1587 appData.loadPositionFile);
1588 /* [HGM] try to make self-starting even after FEN load */
1589 /* to allow automatic setup of fairy variants with wtm */
1590 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1591 gameMode = BeginningOfGame;
1592 setboardSpoiledMachineBlack = 1;
1594 /* [HGM] loadPos: make that every new game uses the setup */
1595 /* from file as long as we do not switch variant */
1596 if(!blackPlaysFirst) {
1597 startedFromPositionFile = TRUE;
1598 CopyBoard(filePosition, boards[0]);
1601 if (initialMode == AnalyzeMode) {
1602 if (appData.noChessProgram) {
1603 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1606 if (appData.icsActive) {
1607 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1611 } else if (initialMode == AnalyzeFile) {
1612 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1613 ShowThinkingEvent();
1615 AnalysisPeriodicEvent(1);
1616 } else if (initialMode == MachinePlaysWhite) {
1617 if (appData.noChessProgram) {
1618 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1622 if (appData.icsActive) {
1623 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1627 MachineWhiteEvent();
1628 } else if (initialMode == MachinePlaysBlack) {
1629 if (appData.noChessProgram) {
1630 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1634 if (appData.icsActive) {
1635 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1639 MachineBlackEvent();
1640 } else if (initialMode == TwoMachinesPlay) {
1641 if (appData.noChessProgram) {
1642 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1646 if (appData.icsActive) {
1647 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1652 } else if (initialMode == EditGame) {
1654 } else if (initialMode == EditPosition) {
1655 EditPositionEvent();
1656 } else if (initialMode == Training) {
1657 if (*appData.loadGameFile == NULLCHAR) {
1658 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1667 * Establish will establish a contact to a remote host.port.
1668 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1669 * used to talk to the host.
1670 * Returns 0 if okay, error code if not.
1677 if (*appData.icsCommPort != NULLCHAR) {
1678 /* Talk to the host through a serial comm port */
1679 return OpenCommPort(appData.icsCommPort, &icsPR);
1681 } else if (*appData.gateway != NULLCHAR) {
1682 if (*appData.remoteShell == NULLCHAR) {
1683 /* Use the rcmd protocol to run telnet program on a gateway host */
1684 snprintf(buf, sizeof(buf), "%s %s %s",
1685 appData.telnetProgram, appData.icsHost, appData.icsPort);
1686 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1689 /* Use the rsh program to run telnet program on a gateway host */
1690 if (*appData.remoteUser == NULLCHAR) {
1691 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1692 appData.gateway, appData.telnetProgram,
1693 appData.icsHost, appData.icsPort);
1695 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1696 appData.remoteShell, appData.gateway,
1697 appData.remoteUser, appData.telnetProgram,
1698 appData.icsHost, appData.icsPort);
1700 return StartChildProcess(buf, "", &icsPR);
1703 } else if (appData.useTelnet) {
1704 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1707 /* TCP socket interface differs somewhat between
1708 Unix and NT; handle details in the front end.
1710 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1714 void EscapeExpand(char *p, char *q)
1715 { // [HGM] initstring: routine to shape up string arguments
1716 while(*p++ = *q++) if(p[-1] == '\\')
1718 case 'n': p[-1] = '\n'; break;
1719 case 'r': p[-1] = '\r'; break;
1720 case 't': p[-1] = '\t'; break;
1721 case '\\': p[-1] = '\\'; break;
1722 case 0: *p = 0; return;
1723 default: p[-1] = q[-1]; break;
1728 show_bytes(fp, buf, count)
1734 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1735 fprintf(fp, "\\%03o", *buf & 0xff);
1744 /* Returns an errno value */
1746 OutputMaybeTelnet(pr, message, count, outError)
1752 char buf[8192], *p, *q, *buflim;
1753 int left, newcount, outcount;
1755 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1756 *appData.gateway != NULLCHAR) {
1757 if (appData.debugMode) {
1758 fprintf(debugFP, ">ICS: ");
1759 show_bytes(debugFP, message, count);
1760 fprintf(debugFP, "\n");
1762 return OutputToProcess(pr, message, count, outError);
1765 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1772 if (appData.debugMode) {
1773 fprintf(debugFP, ">ICS: ");
1774 show_bytes(debugFP, buf, newcount);
1775 fprintf(debugFP, "\n");
1777 outcount = OutputToProcess(pr, buf, newcount, outError);
1778 if (outcount < newcount) return -1; /* to be sure */
1785 } else if (((unsigned char) *p) == TN_IAC) {
1786 *q++ = (char) TN_IAC;
1793 if (appData.debugMode) {
1794 fprintf(debugFP, ">ICS: ");
1795 show_bytes(debugFP, buf, newcount);
1796 fprintf(debugFP, "\n");
1798 outcount = OutputToProcess(pr, buf, newcount, outError);
1799 if (outcount < newcount) return -1; /* to be sure */
1804 read_from_player(isr, closure, message, count, error)
1811 int outError, outCount;
1812 static int gotEof = 0;
1814 /* Pass data read from player on to ICS */
1817 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1818 if (outCount < count) {
1819 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1821 } else if (count < 0) {
1822 RemoveInputSource(isr);
1823 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1824 } else if (gotEof++ > 0) {
1825 RemoveInputSource(isr);
1826 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1832 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1833 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1834 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1835 SendToICS("date\n");
1836 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1839 /* added routine for printf style output to ics */
1840 void ics_printf(char *format, ...)
1842 char buffer[MSG_SIZ];
1845 va_start(args, format);
1846 vsnprintf(buffer, sizeof(buffer), format, args);
1847 buffer[sizeof(buffer)-1] = '\0';
1856 int count, outCount, outError;
1858 if (icsPR == NULL) return;
1861 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1862 if (outCount < count) {
1863 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1867 /* This is used for sending logon scripts to the ICS. Sending
1868 without a delay causes problems when using timestamp on ICC
1869 (at least on my machine). */
1871 SendToICSDelayed(s,msdelay)
1875 int count, outCount, outError;
1877 if (icsPR == NULL) return;
1880 if (appData.debugMode) {
1881 fprintf(debugFP, ">ICS: ");
1882 show_bytes(debugFP, s, count);
1883 fprintf(debugFP, "\n");
1885 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1887 if (outCount < count) {
1888 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1893 /* Remove all highlighting escape sequences in s
1894 Also deletes any suffix starting with '('
1897 StripHighlightAndTitle(s)
1900 static char retbuf[MSG_SIZ];
1903 while (*s != NULLCHAR) {
1904 while (*s == '\033') {
1905 while (*s != NULLCHAR && !isalpha(*s)) s++;
1906 if (*s != NULLCHAR) s++;
1908 while (*s != NULLCHAR && *s != '\033') {
1909 if (*s == '(' || *s == '[') {
1920 /* Remove all highlighting escape sequences in s */
1925 static char retbuf[MSG_SIZ];
1928 while (*s != NULLCHAR) {
1929 while (*s == '\033') {
1930 while (*s != NULLCHAR && !isalpha(*s)) s++;
1931 if (*s != NULLCHAR) s++;
1933 while (*s != NULLCHAR && *s != '\033') {
1941 char *variantNames[] = VARIANT_NAMES;
1946 return variantNames[v];
1950 /* Identify a variant from the strings the chess servers use or the
1951 PGN Variant tag names we use. */
1958 VariantClass v = VariantNormal;
1959 int i, found = FALSE;
1965 /* [HGM] skip over optional board-size prefixes */
1966 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1967 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1968 while( *e++ != '_');
1971 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1975 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1976 if (StrCaseStr(e, variantNames[i])) {
1977 v = (VariantClass) i;
1984 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1985 || StrCaseStr(e, "wild/fr")
1986 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1987 v = VariantFischeRandom;
1988 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1989 (i = 1, p = StrCaseStr(e, "w"))) {
1991 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1998 case 0: /* FICS only, actually */
2000 /* Castling legal even if K starts on d-file */
2001 v = VariantWildCastle;
2006 /* Castling illegal even if K & R happen to start in
2007 normal positions. */
2008 v = VariantNoCastle;
2021 /* Castling legal iff K & R start in normal positions */
2027 /* Special wilds for position setup; unclear what to do here */
2028 v = VariantLoadable;
2031 /* Bizarre ICC game */
2032 v = VariantTwoKings;
2035 v = VariantKriegspiel;
2041 v = VariantFischeRandom;
2044 v = VariantCrazyhouse;
2047 v = VariantBughouse;
2053 /* Not quite the same as FICS suicide! */
2054 v = VariantGiveaway;
2060 v = VariantShatranj;
2063 /* Temporary names for future ICC types. The name *will* change in
2064 the next xboard/WinBoard release after ICC defines it. */
2102 v = VariantCapablanca;
2105 v = VariantKnightmate;
2111 v = VariantCylinder;
2117 v = VariantCapaRandom;
2120 v = VariantBerolina;
2132 /* Found "wild" or "w" in the string but no number;
2133 must assume it's normal chess. */
2137 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2138 if( (len > MSG_SIZ) && appData.debugMode )
2139 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2141 DisplayError(buf, 0);
2147 if (appData.debugMode) {
2148 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2149 e, wnum, VariantName(v));
2154 static int leftover_start = 0, leftover_len = 0;
2155 char star_match[STAR_MATCH_N][MSG_SIZ];
2157 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2158 advance *index beyond it, and set leftover_start to the new value of
2159 *index; else return FALSE. If pattern contains the character '*', it
2160 matches any sequence of characters not containing '\r', '\n', or the
2161 character following the '*' (if any), and the matched sequence(s) are
2162 copied into star_match.
2165 looking_at(buf, index, pattern)
2170 char *bufp = &buf[*index], *patternp = pattern;
2172 char *matchp = star_match[0];
2175 if (*patternp == NULLCHAR) {
2176 *index = leftover_start = bufp - buf;
2180 if (*bufp == NULLCHAR) return FALSE;
2181 if (*patternp == '*') {
2182 if (*bufp == *(patternp + 1)) {
2184 matchp = star_match[++star_count];
2188 } else if (*bufp == '\n' || *bufp == '\r') {
2190 if (*patternp == NULLCHAR)
2195 *matchp++ = *bufp++;
2199 if (*patternp != *bufp) return FALSE;
2206 SendToPlayer(data, length)
2210 int error, outCount;
2211 outCount = OutputToProcess(NoProc, data, length, &error);
2212 if (outCount < length) {
2213 DisplayFatalError(_("Error writing to display"), error, 1);
2218 PackHolding(packed, holding)
2230 switch (runlength) {
2241 sprintf(q, "%d", runlength);
2253 /* Telnet protocol requests from the front end */
2255 TelnetRequest(ddww, option)
2256 unsigned char ddww, option;
2258 unsigned char msg[3];
2259 int outCount, outError;
2261 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2263 if (appData.debugMode) {
2264 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2280 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2289 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2292 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2297 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2299 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2306 if (!appData.icsActive) return;
2307 TelnetRequest(TN_DO, TN_ECHO);
2313 if (!appData.icsActive) return;
2314 TelnetRequest(TN_DONT, TN_ECHO);
2318 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2320 /* put the holdings sent to us by the server on the board holdings area */
2321 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2325 if(gameInfo.holdingsWidth < 2) return;
2326 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2327 return; // prevent overwriting by pre-board holdings
2329 if( (int)lowestPiece >= BlackPawn ) {
2332 holdingsStartRow = BOARD_HEIGHT-1;
2335 holdingsColumn = BOARD_WIDTH-1;
2336 countsColumn = BOARD_WIDTH-2;
2337 holdingsStartRow = 0;
2341 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2342 board[i][holdingsColumn] = EmptySquare;
2343 board[i][countsColumn] = (ChessSquare) 0;
2345 while( (p=*holdings++) != NULLCHAR ) {
2346 piece = CharToPiece( ToUpper(p) );
2347 if(piece == EmptySquare) continue;
2348 /*j = (int) piece - (int) WhitePawn;*/
2349 j = PieceToNumber(piece);
2350 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2351 if(j < 0) continue; /* should not happen */
2352 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2353 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2354 board[holdingsStartRow+j*direction][countsColumn]++;
2360 VariantSwitch(Board board, VariantClass newVariant)
2362 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2363 static Board oldBoard;
2365 startedFromPositionFile = FALSE;
2366 if(gameInfo.variant == newVariant) return;
2368 /* [HGM] This routine is called each time an assignment is made to
2369 * gameInfo.variant during a game, to make sure the board sizes
2370 * are set to match the new variant. If that means adding or deleting
2371 * holdings, we shift the playing board accordingly
2372 * This kludge is needed because in ICS observe mode, we get boards
2373 * of an ongoing game without knowing the variant, and learn about the
2374 * latter only later. This can be because of the move list we requested,
2375 * in which case the game history is refilled from the beginning anyway,
2376 * but also when receiving holdings of a crazyhouse game. In the latter
2377 * case we want to add those holdings to the already received position.
2381 if (appData.debugMode) {
2382 fprintf(debugFP, "Switch board from %s to %s\n",
2383 VariantName(gameInfo.variant), VariantName(newVariant));
2384 setbuf(debugFP, NULL);
2386 shuffleOpenings = 0; /* [HGM] shuffle */
2387 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2391 newWidth = 9; newHeight = 9;
2392 gameInfo.holdingsSize = 7;
2393 case VariantBughouse:
2394 case VariantCrazyhouse:
2395 newHoldingsWidth = 2; break;
2399 newHoldingsWidth = 2;
2400 gameInfo.holdingsSize = 8;
2403 case VariantCapablanca:
2404 case VariantCapaRandom:
2407 newHoldingsWidth = gameInfo.holdingsSize = 0;
2410 if(newWidth != gameInfo.boardWidth ||
2411 newHeight != gameInfo.boardHeight ||
2412 newHoldingsWidth != gameInfo.holdingsWidth ) {
2414 /* shift position to new playing area, if needed */
2415 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2416 for(i=0; i<BOARD_HEIGHT; i++)
2417 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2418 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2420 for(i=0; i<newHeight; i++) {
2421 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2422 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2424 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2425 for(i=0; i<BOARD_HEIGHT; i++)
2426 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2427 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2430 gameInfo.boardWidth = newWidth;
2431 gameInfo.boardHeight = newHeight;
2432 gameInfo.holdingsWidth = newHoldingsWidth;
2433 gameInfo.variant = newVariant;
2434 InitDrawingSizes(-2, 0);
2435 } else gameInfo.variant = newVariant;
2436 CopyBoard(oldBoard, board); // remember correctly formatted board
2437 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2438 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2441 static int loggedOn = FALSE;
2443 /*-- Game start info cache: --*/
2445 char gs_kind[MSG_SIZ];
2446 static char player1Name[128] = "";
2447 static char player2Name[128] = "";
2448 static char cont_seq[] = "\n\\ ";
2449 static int player1Rating = -1;
2450 static int player2Rating = -1;
2451 /*----------------------------*/
2453 ColorClass curColor = ColorNormal;
2454 int suppressKibitz = 0;
2457 Boolean soughtPending = FALSE;
2458 Boolean seekGraphUp;
2459 #define MAX_SEEK_ADS 200
2461 char *seekAdList[MAX_SEEK_ADS];
2462 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2463 float tcList[MAX_SEEK_ADS];
2464 char colorList[MAX_SEEK_ADS];
2465 int nrOfSeekAds = 0;
2466 int minRating = 1010, maxRating = 2800;
2467 int hMargin = 10, vMargin = 20, h, w;
2468 extern int squareSize, lineGap;
2473 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2474 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2475 if(r < minRating+100 && r >=0 ) r = minRating+100;
2476 if(r > maxRating) r = maxRating;
2477 if(tc < 1.) tc = 1.;
2478 if(tc > 95.) tc = 95.;
2479 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2480 y = ((double)r - minRating)/(maxRating - minRating)
2481 * (h-vMargin-squareSize/8-1) + vMargin;
2482 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2483 if(strstr(seekAdList[i], " u ")) color = 1;
2484 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2485 !strstr(seekAdList[i], "bullet") &&
2486 !strstr(seekAdList[i], "blitz") &&
2487 !strstr(seekAdList[i], "standard") ) color = 2;
2488 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2489 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2493 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2495 char buf[MSG_SIZ], *ext = "";
2496 VariantClass v = StringToVariant(type);
2497 if(strstr(type, "wild")) {
2498 ext = type + 4; // append wild number
2499 if(v == VariantFischeRandom) type = "chess960"; else
2500 if(v == VariantLoadable) type = "setup"; else
2501 type = VariantName(v);
2503 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2504 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2505 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2506 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2507 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2508 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2509 seekNrList[nrOfSeekAds] = nr;
2510 zList[nrOfSeekAds] = 0;
2511 seekAdList[nrOfSeekAds++] = StrSave(buf);
2512 if(plot) PlotSeekAd(nrOfSeekAds-1);
2519 int x = xList[i], y = yList[i], d=squareSize/4, k;
2520 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2521 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2522 // now replot every dot that overlapped
2523 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2524 int xx = xList[k], yy = yList[k];
2525 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2526 DrawSeekDot(xx, yy, colorList[k]);
2531 RemoveSeekAd(int nr)
2534 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2536 if(seekAdList[i]) free(seekAdList[i]);
2537 seekAdList[i] = seekAdList[--nrOfSeekAds];
2538 seekNrList[i] = seekNrList[nrOfSeekAds];
2539 ratingList[i] = ratingList[nrOfSeekAds];
2540 colorList[i] = colorList[nrOfSeekAds];
2541 tcList[i] = tcList[nrOfSeekAds];
2542 xList[i] = xList[nrOfSeekAds];
2543 yList[i] = yList[nrOfSeekAds];
2544 zList[i] = zList[nrOfSeekAds];
2545 seekAdList[nrOfSeekAds] = NULL;
2551 MatchSoughtLine(char *line)
2553 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2554 int nr, base, inc, u=0; char dummy;
2556 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2557 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2559 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2560 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2561 // match: compact and save the line
2562 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2572 if(!seekGraphUp) return FALSE;
2573 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2574 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2576 DrawSeekBackground(0, 0, w, h);
2577 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2578 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2579 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2580 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2582 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2585 snprintf(buf, MSG_SIZ, "%d", i);
2586 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2589 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2590 for(i=1; i<100; i+=(i<10?1:5)) {
2591 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2592 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2593 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2595 snprintf(buf, MSG_SIZ, "%d", i);
2596 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2599 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2603 int SeekGraphClick(ClickType click, int x, int y, int moving)
2605 static int lastDown = 0, displayed = 0, lastSecond;
2606 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2607 if(click == Release || moving) return FALSE;
2609 soughtPending = TRUE;
2610 SendToICS(ics_prefix);
2611 SendToICS("sought\n"); // should this be "sought all"?
2612 } else { // issue challenge based on clicked ad
2613 int dist = 10000; int i, closest = 0, second = 0;
2614 for(i=0; i<nrOfSeekAds; i++) {
2615 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2616 if(d < dist) { dist = d; closest = i; }
2617 second += (d - zList[i] < 120); // count in-range ads
2618 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2622 second = (second > 1);
2623 if(displayed != closest || second != lastSecond) {
2624 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2625 lastSecond = second; displayed = closest;
2627 if(click == Press) {
2628 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2631 } // on press 'hit', only show info
2632 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2633 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2634 SendToICS(ics_prefix);
2636 return TRUE; // let incoming board of started game pop down the graph
2637 } else if(click == Release) { // release 'miss' is ignored
2638 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2639 if(moving == 2) { // right up-click
2640 nrOfSeekAds = 0; // refresh graph
2641 soughtPending = TRUE;
2642 SendToICS(ics_prefix);
2643 SendToICS("sought\n"); // should this be "sought all"?
2646 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2647 // press miss or release hit 'pop down' seek graph
2648 seekGraphUp = FALSE;
2649 DrawPosition(TRUE, NULL);
2655 read_from_ics(isr, closure, data, count, error)
2662 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2663 #define STARTED_NONE 0
2664 #define STARTED_MOVES 1
2665 #define STARTED_BOARD 2
2666 #define STARTED_OBSERVE 3
2667 #define STARTED_HOLDINGS 4
2668 #define STARTED_CHATTER 5
2669 #define STARTED_COMMENT 6
2670 #define STARTED_MOVES_NOHIDE 7
2672 static int started = STARTED_NONE;
2673 static char parse[20000];
2674 static int parse_pos = 0;
2675 static char buf[BUF_SIZE + 1];
2676 static int firstTime = TRUE, intfSet = FALSE;
2677 static ColorClass prevColor = ColorNormal;
2678 static int savingComment = FALSE;
2679 static int cmatch = 0; // continuation sequence match
2686 int backup; /* [DM] For zippy color lines */
2688 char talker[MSG_SIZ]; // [HGM] chat
2691 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2693 if (appData.debugMode) {
2695 fprintf(debugFP, "<ICS: ");
2696 show_bytes(debugFP, data, count);
2697 fprintf(debugFP, "\n");
2701 if (appData.debugMode) { int f = forwardMostMove;
2702 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2703 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2704 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2707 /* If last read ended with a partial line that we couldn't parse,
2708 prepend it to the new read and try again. */
2709 if (leftover_len > 0) {
2710 for (i=0; i<leftover_len; i++)
2711 buf[i] = buf[leftover_start + i];
2714 /* copy new characters into the buffer */
2715 bp = buf + leftover_len;
2716 buf_len=leftover_len;
2717 for (i=0; i<count; i++)
2720 if (data[i] == '\r')
2723 // join lines split by ICS?
2724 if (!appData.noJoin)
2727 Joining just consists of finding matches against the
2728 continuation sequence, and discarding that sequence
2729 if found instead of copying it. So, until a match
2730 fails, there's nothing to do since it might be the
2731 complete sequence, and thus, something we don't want
2734 if (data[i] == cont_seq[cmatch])
2737 if (cmatch == strlen(cont_seq))
2739 cmatch = 0; // complete match. just reset the counter
2742 it's possible for the ICS to not include the space
2743 at the end of the last word, making our [correct]
2744 join operation fuse two separate words. the server
2745 does this when the space occurs at the width setting.
2747 if (!buf_len || buf[buf_len-1] != ' ')
2758 match failed, so we have to copy what matched before
2759 falling through and copying this character. In reality,
2760 this will only ever be just the newline character, but
2761 it doesn't hurt to be precise.
2763 strncpy(bp, cont_seq, cmatch);
2775 buf[buf_len] = NULLCHAR;
2776 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2781 while (i < buf_len) {
2782 /* Deal with part of the TELNET option negotiation
2783 protocol. We refuse to do anything beyond the
2784 defaults, except that we allow the WILL ECHO option,
2785 which ICS uses to turn off password echoing when we are
2786 directly connected to it. We reject this option
2787 if localLineEditing mode is on (always on in xboard)
2788 and we are talking to port 23, which might be a real
2789 telnet server that will try to keep WILL ECHO on permanently.
2791 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2792 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2793 unsigned char option;
2795 switch ((unsigned char) buf[++i]) {
2797 if (appData.debugMode)
2798 fprintf(debugFP, "\n<WILL ");
2799 switch (option = (unsigned char) buf[++i]) {
2801 if (appData.debugMode)
2802 fprintf(debugFP, "ECHO ");
2803 /* Reply only if this is a change, according
2804 to the protocol rules. */
2805 if (remoteEchoOption) break;
2806 if (appData.localLineEditing &&
2807 atoi(appData.icsPort) == TN_PORT) {
2808 TelnetRequest(TN_DONT, TN_ECHO);
2811 TelnetRequest(TN_DO, TN_ECHO);
2812 remoteEchoOption = TRUE;
2816 if (appData.debugMode)
2817 fprintf(debugFP, "%d ", option);
2818 /* Whatever this is, we don't want it. */
2819 TelnetRequest(TN_DONT, option);
2824 if (appData.debugMode)
2825 fprintf(debugFP, "\n<WONT ");
2826 switch (option = (unsigned char) buf[++i]) {
2828 if (appData.debugMode)
2829 fprintf(debugFP, "ECHO ");
2830 /* Reply only if this is a change, according
2831 to the protocol rules. */
2832 if (!remoteEchoOption) break;
2834 TelnetRequest(TN_DONT, TN_ECHO);
2835 remoteEchoOption = FALSE;
2838 if (appData.debugMode)
2839 fprintf(debugFP, "%d ", (unsigned char) option);
2840 /* Whatever this is, it must already be turned
2841 off, because we never agree to turn on
2842 anything non-default, so according to the
2843 protocol rules, we don't reply. */
2848 if (appData.debugMode)
2849 fprintf(debugFP, "\n<DO ");
2850 switch (option = (unsigned char) buf[++i]) {
2852 /* Whatever this is, we refuse to do it. */
2853 if (appData.debugMode)
2854 fprintf(debugFP, "%d ", option);
2855 TelnetRequest(TN_WONT, option);
2860 if (appData.debugMode)
2861 fprintf(debugFP, "\n<DONT ");
2862 switch (option = (unsigned char) buf[++i]) {
2864 if (appData.debugMode)
2865 fprintf(debugFP, "%d ", option);
2866 /* Whatever this is, we are already not doing
2867 it, because we never agree to do anything
2868 non-default, so according to the protocol
2869 rules, we don't reply. */
2874 if (appData.debugMode)
2875 fprintf(debugFP, "\n<IAC ");
2876 /* Doubled IAC; pass it through */
2880 if (appData.debugMode)
2881 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2882 /* Drop all other telnet commands on the floor */
2885 if (oldi > next_out)
2886 SendToPlayer(&buf[next_out], oldi - next_out);
2892 /* OK, this at least will *usually* work */
2893 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2897 if (loggedOn && !intfSet) {
2898 if (ics_type == ICS_ICC) {
2899 snprintf(str, MSG_SIZ,
2900 "/set-quietly interface %s\n/set-quietly style 12\n",
2902 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2903 strcat(str, "/set-2 51 1\n/set seek 1\n");
2904 } else if (ics_type == ICS_CHESSNET) {
2905 snprintf(str, MSG_SIZ, "/style 12\n");
2907 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2908 strcat(str, programVersion);
2909 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2910 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2911 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2913 strcat(str, "$iset nohighlight 1\n");
2915 strcat(str, "$iset lock 1\n$style 12\n");
2918 NotifyFrontendLogin();
2922 if (started == STARTED_COMMENT) {
2923 /* Accumulate characters in comment */
2924 parse[parse_pos++] = buf[i];
2925 if (buf[i] == '\n') {
2926 parse[parse_pos] = NULLCHAR;
2927 if(chattingPartner>=0) {
2929 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2930 OutputChatMessage(chattingPartner, mess);
2931 chattingPartner = -1;
2932 next_out = i+1; // [HGM] suppress printing in ICS window
2934 if(!suppressKibitz) // [HGM] kibitz
2935 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2936 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2937 int nrDigit = 0, nrAlph = 0, j;
2938 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2939 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2940 parse[parse_pos] = NULLCHAR;
2941 // try to be smart: if it does not look like search info, it should go to
2942 // ICS interaction window after all, not to engine-output window.
2943 for(j=0; j<parse_pos; j++) { // count letters and digits
2944 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2945 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2946 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2948 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2949 int depth=0; float score;
2950 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2951 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2952 pvInfoList[forwardMostMove-1].depth = depth;
2953 pvInfoList[forwardMostMove-1].score = 100*score;
2955 OutputKibitz(suppressKibitz, parse);
2958 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2959 SendToPlayer(tmp, strlen(tmp));
2961 next_out = i+1; // [HGM] suppress printing in ICS window
2963 started = STARTED_NONE;
2965 /* Don't match patterns against characters in comment */
2970 if (started == STARTED_CHATTER) {
2971 if (buf[i] != '\n') {
2972 /* Don't match patterns against characters in chatter */
2976 started = STARTED_NONE;
2977 if(suppressKibitz) next_out = i+1;
2980 /* Kludge to deal with rcmd protocol */
2981 if (firstTime && looking_at(buf, &i, "\001*")) {
2982 DisplayFatalError(&buf[1], 0, 1);
2988 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2991 if (appData.debugMode)
2992 fprintf(debugFP, "ics_type %d\n", ics_type);
2995 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2996 ics_type = ICS_FICS;
2998 if (appData.debugMode)
2999 fprintf(debugFP, "ics_type %d\n", ics_type);
3002 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3003 ics_type = ICS_CHESSNET;
3005 if (appData.debugMode)
3006 fprintf(debugFP, "ics_type %d\n", ics_type);
3011 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3012 looking_at(buf, &i, "Logging you in as \"*\"") ||
3013 looking_at(buf, &i, "will be \"*\""))) {
3014 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3018 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3020 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3021 DisplayIcsInteractionTitle(buf);
3022 have_set_title = TRUE;
3025 /* skip finger notes */
3026 if (started == STARTED_NONE &&
3027 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3028 (buf[i] == '1' && buf[i+1] == '0')) &&
3029 buf[i+2] == ':' && buf[i+3] == ' ') {
3030 started = STARTED_CHATTER;
3036 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3037 if(appData.seekGraph) {
3038 if(soughtPending && MatchSoughtLine(buf+i)) {
3039 i = strstr(buf+i, "rated") - buf;
3040 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3041 next_out = leftover_start = i;
3042 started = STARTED_CHATTER;
3043 suppressKibitz = TRUE;
3046 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3047 && looking_at(buf, &i, "* ads displayed")) {
3048 soughtPending = FALSE;
3053 if(appData.autoRefresh) {
3054 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3055 int s = (ics_type == ICS_ICC); // ICC format differs
3057 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3058 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3059 looking_at(buf, &i, "*% "); // eat prompt
3060 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3061 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3062 next_out = i; // suppress
3065 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3066 char *p = star_match[0];
3068 if(seekGraphUp) RemoveSeekAd(atoi(p));
3069 while(*p && *p++ != ' '); // next
3071 looking_at(buf, &i, "*% "); // eat prompt
3072 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3079 /* skip formula vars */
3080 if (started == STARTED_NONE &&
3081 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3082 started = STARTED_CHATTER;
3087 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3088 if (appData.autoKibitz && started == STARTED_NONE &&
3089 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3090 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3091 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3092 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3093 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3094 suppressKibitz = TRUE;
3095 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3097 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3098 && (gameMode == IcsPlayingWhite)) ||
3099 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3100 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3101 started = STARTED_CHATTER; // own kibitz we simply discard
3103 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3104 parse_pos = 0; parse[0] = NULLCHAR;
3105 savingComment = TRUE;
3106 suppressKibitz = gameMode != IcsObserving ? 2 :
3107 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3111 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3112 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3113 && atoi(star_match[0])) {
3114 // suppress the acknowledgements of our own autoKibitz
3116 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3117 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3118 SendToPlayer(star_match[0], strlen(star_match[0]));
3119 if(looking_at(buf, &i, "*% ")) // eat prompt
3120 suppressKibitz = FALSE;
3124 } // [HGM] kibitz: end of patch
3126 // [HGM] chat: intercept tells by users for which we have an open chat window
3128 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3129 looking_at(buf, &i, "* whispers:") ||
3130 looking_at(buf, &i, "* kibitzes:") ||
3131 looking_at(buf, &i, "* shouts:") ||
3132 looking_at(buf, &i, "* c-shouts:") ||
3133 looking_at(buf, &i, "--> * ") ||
3134 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3135 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3136 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3137 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3139 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3140 chattingPartner = -1;
3142 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3143 for(p=0; p<MAX_CHAT; p++) {
3144 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3145 talker[0] = '['; strcat(talker, "] ");
3146 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3147 chattingPartner = p; break;
3150 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3151 for(p=0; p<MAX_CHAT; p++) {
3152 if(!strcmp("kibitzes", chatPartner[p])) {
3153 talker[0] = '['; strcat(talker, "] ");
3154 chattingPartner = p; break;
3157 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3158 for(p=0; p<MAX_CHAT; p++) {
3159 if(!strcmp("whispers", chatPartner[p])) {
3160 talker[0] = '['; strcat(talker, "] ");
3161 chattingPartner = p; break;
3164 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3165 if(buf[i-8] == '-' && buf[i-3] == 't')
3166 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3167 if(!strcmp("c-shouts", chatPartner[p])) {
3168 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3169 chattingPartner = p; break;
3172 if(chattingPartner < 0)
3173 for(p=0; p<MAX_CHAT; p++) {
3174 if(!strcmp("shouts", chatPartner[p])) {
3175 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3176 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3177 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3178 chattingPartner = p; break;
3182 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3183 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3184 talker[0] = 0; Colorize(ColorTell, FALSE);
3185 chattingPartner = p; break;
3187 if(chattingPartner<0) i = oldi; else {
3188 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3189 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3190 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3191 started = STARTED_COMMENT;
3192 parse_pos = 0; parse[0] = NULLCHAR;
3193 savingComment = 3 + chattingPartner; // counts as TRUE
3194 suppressKibitz = TRUE;
3197 } // [HGM] chat: end of patch
3200 if (appData.zippyTalk || appData.zippyPlay) {
3201 /* [DM] Backup address for color zippy lines */
3203 if (loggedOn == TRUE)
3204 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3205 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3207 } // [DM] 'else { ' deleted
3209 /* Regular tells and says */
3210 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3211 looking_at(buf, &i, "* (your partner) tells you: ") ||
3212 looking_at(buf, &i, "* says: ") ||
3213 /* Don't color "message" or "messages" output */
3214 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3215 looking_at(buf, &i, "*. * at *:*: ") ||
3216 looking_at(buf, &i, "--* (*:*): ") ||
3217 /* Message notifications (same color as tells) */
3218 looking_at(buf, &i, "* has left a message ") ||
3219 looking_at(buf, &i, "* just sent you a message:\n") ||
3220 /* Whispers and kibitzes */
3221 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3222 looking_at(buf, &i, "* kibitzes: ") ||
3224 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3226 if (tkind == 1 && strchr(star_match[0], ':')) {
3227 /* Avoid "tells you:" spoofs in channels */
3230 if (star_match[0][0] == NULLCHAR ||
3231 strchr(star_match[0], ' ') ||
3232 (tkind == 3 && strchr(star_match[1], ' '))) {
3233 /* Reject bogus matches */
3236 if (appData.colorize) {
3237 if (oldi > next_out) {
3238 SendToPlayer(&buf[next_out], oldi - next_out);
3243 Colorize(ColorTell, FALSE);
3244 curColor = ColorTell;
3247 Colorize(ColorKibitz, FALSE);
3248 curColor = ColorKibitz;
3251 p = strrchr(star_match[1], '(');
3258 Colorize(ColorChannel1, FALSE);
3259 curColor = ColorChannel1;
3261 Colorize(ColorChannel, FALSE);
3262 curColor = ColorChannel;
3266 curColor = ColorNormal;
3270 if (started == STARTED_NONE && appData.autoComment &&
3271 (gameMode == IcsObserving ||
3272 gameMode == IcsPlayingWhite ||
3273 gameMode == IcsPlayingBlack)) {
3274 parse_pos = i - oldi;
3275 memcpy(parse, &buf[oldi], parse_pos);
3276 parse[parse_pos] = NULLCHAR;
3277 started = STARTED_COMMENT;
3278 savingComment = TRUE;
3280 started = STARTED_CHATTER;
3281 savingComment = FALSE;
3288 if (looking_at(buf, &i, "* s-shouts: ") ||
3289 looking_at(buf, &i, "* c-shouts: ")) {
3290 if (appData.colorize) {
3291 if (oldi > next_out) {
3292 SendToPlayer(&buf[next_out], oldi - next_out);
3295 Colorize(ColorSShout, FALSE);
3296 curColor = ColorSShout;
3299 started = STARTED_CHATTER;
3303 if (looking_at(buf, &i, "--->")) {
3308 if (looking_at(buf, &i, "* shouts: ") ||
3309 looking_at(buf, &i, "--> ")) {
3310 if (appData.colorize) {
3311 if (oldi > next_out) {
3312 SendToPlayer(&buf[next_out], oldi - next_out);
3315 Colorize(ColorShout, FALSE);
3316 curColor = ColorShout;
3319 started = STARTED_CHATTER;
3323 if (looking_at( buf, &i, "Challenge:")) {
3324 if (appData.colorize) {
3325 if (oldi > next_out) {
3326 SendToPlayer(&buf[next_out], oldi - next_out);
3329 Colorize(ColorChallenge, FALSE);
3330 curColor = ColorChallenge;
3336 if (looking_at(buf, &i, "* offers you") ||
3337 looking_at(buf, &i, "* offers to be") ||
3338 looking_at(buf, &i, "* would like to") ||
3339 looking_at(buf, &i, "* requests to") ||
3340 looking_at(buf, &i, "Your opponent offers") ||
3341 looking_at(buf, &i, "Your opponent requests")) {
3343 if (appData.colorize) {
3344 if (oldi > next_out) {
3345 SendToPlayer(&buf[next_out], oldi - next_out);
3348 Colorize(ColorRequest, FALSE);
3349 curColor = ColorRequest;
3354 if (looking_at(buf, &i, "* (*) seeking")) {
3355 if (appData.colorize) {
3356 if (oldi > next_out) {
3357 SendToPlayer(&buf[next_out], oldi - next_out);
3360 Colorize(ColorSeek, FALSE);
3361 curColor = ColorSeek;
3366 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3368 if (looking_at(buf, &i, "\\ ")) {
3369 if (prevColor != ColorNormal) {
3370 if (oldi > next_out) {
3371 SendToPlayer(&buf[next_out], oldi - next_out);
3374 Colorize(prevColor, TRUE);
3375 curColor = prevColor;
3377 if (savingComment) {
3378 parse_pos = i - oldi;
3379 memcpy(parse, &buf[oldi], parse_pos);
3380 parse[parse_pos] = NULLCHAR;
3381 started = STARTED_COMMENT;
3382 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3383 chattingPartner = savingComment - 3; // kludge to remember the box
3385 started = STARTED_CHATTER;
3390 if (looking_at(buf, &i, "Black Strength :") ||
3391 looking_at(buf, &i, "<<< style 10 board >>>") ||
3392 looking_at(buf, &i, "<10>") ||
3393 looking_at(buf, &i, "#@#")) {
3394 /* Wrong board style */
3396 SendToICS(ics_prefix);
3397 SendToICS("set style 12\n");
3398 SendToICS(ics_prefix);
3399 SendToICS("refresh\n");
3403 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3405 have_sent_ICS_logon = 1;
3409 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3410 (looking_at(buf, &i, "\n<12> ") ||
3411 looking_at(buf, &i, "<12> "))) {
3413 if (oldi > next_out) {
3414 SendToPlayer(&buf[next_out], oldi - next_out);
3417 started = STARTED_BOARD;
3422 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3423 looking_at(buf, &i, "<b1> ")) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3428 started = STARTED_HOLDINGS;
3433 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3435 /* Header for a move list -- first line */
3437 switch (ics_getting_history) {
3441 case BeginningOfGame:
3442 /* User typed "moves" or "oldmoves" while we
3443 were idle. Pretend we asked for these
3444 moves and soak them up so user can step
3445 through them and/or save them.
3448 gameMode = IcsObserving;
3451 ics_getting_history = H_GOT_UNREQ_HEADER;
3453 case EditGame: /*?*/
3454 case EditPosition: /*?*/
3455 /* Should above feature work in these modes too? */
3456 /* For now it doesn't */
3457 ics_getting_history = H_GOT_UNWANTED_HEADER;
3460 ics_getting_history = H_GOT_UNWANTED_HEADER;
3465 /* Is this the right one? */
3466 if (gameInfo.white && gameInfo.black &&
3467 strcmp(gameInfo.white, star_match[0]) == 0 &&
3468 strcmp(gameInfo.black, star_match[2]) == 0) {
3470 ics_getting_history = H_GOT_REQ_HEADER;
3473 case H_GOT_REQ_HEADER:
3474 case H_GOT_UNREQ_HEADER:
3475 case H_GOT_UNWANTED_HEADER:
3476 case H_GETTING_MOVES:
3477 /* Should not happen */
3478 DisplayError(_("Error gathering move list: two headers"), 0);
3479 ics_getting_history = H_FALSE;
3483 /* Save player ratings into gameInfo if needed */
3484 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3485 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3486 (gameInfo.whiteRating == -1 ||
3487 gameInfo.blackRating == -1)) {
3489 gameInfo.whiteRating = string_to_rating(star_match[1]);
3490 gameInfo.blackRating = string_to_rating(star_match[3]);
3491 if (appData.debugMode)
3492 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3493 gameInfo.whiteRating, gameInfo.blackRating);
3498 if (looking_at(buf, &i,
3499 "* * match, initial time: * minute*, increment: * second")) {
3500 /* Header for a move list -- second line */
3501 /* Initial board will follow if this is a wild game */
3502 if (gameInfo.event != NULL) free(gameInfo.event);
3503 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3504 gameInfo.event = StrSave(str);
3505 /* [HGM] we switched variant. Translate boards if needed. */
3506 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3510 if (looking_at(buf, &i, "Move ")) {
3511 /* Beginning of a move list */
3512 switch (ics_getting_history) {
3514 /* Normally should not happen */
3515 /* Maybe user hit reset while we were parsing */
3518 /* Happens if we are ignoring a move list that is not
3519 * the one we just requested. Common if the user
3520 * tries to observe two games without turning off
3523 case H_GETTING_MOVES:
3524 /* Should not happen */
3525 DisplayError(_("Error gathering move list: nested"), 0);
3526 ics_getting_history = H_FALSE;
3528 case H_GOT_REQ_HEADER:
3529 ics_getting_history = H_GETTING_MOVES;
3530 started = STARTED_MOVES;
3532 if (oldi > next_out) {
3533 SendToPlayer(&buf[next_out], oldi - next_out);
3536 case H_GOT_UNREQ_HEADER:
3537 ics_getting_history = H_GETTING_MOVES;
3538 started = STARTED_MOVES_NOHIDE;
3541 case H_GOT_UNWANTED_HEADER:
3542 ics_getting_history = H_FALSE;
3548 if (looking_at(buf, &i, "% ") ||
3549 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3550 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3551 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3552 soughtPending = FALSE;
3556 if(suppressKibitz) next_out = i;
3557 savingComment = FALSE;
3561 case STARTED_MOVES_NOHIDE:
3562 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3563 parse[parse_pos + i - oldi] = NULLCHAR;
3564 ParseGameHistory(parse);
3566 if (appData.zippyPlay && first.initDone) {
3567 FeedMovesToProgram(&first, forwardMostMove);
3568 if (gameMode == IcsPlayingWhite) {
3569 if (WhiteOnMove(forwardMostMove)) {
3570 if (first.sendTime) {
3571 if (first.useColors) {
3572 SendToProgram("black\n", &first);
3574 SendTimeRemaining(&first, TRUE);
3576 if (first.useColors) {
3577 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3579 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3580 first.maybeThinking = TRUE;
3582 if (first.usePlayother) {
3583 if (first.sendTime) {
3584 SendTimeRemaining(&first, TRUE);
3586 SendToProgram("playother\n", &first);
3592 } else if (gameMode == IcsPlayingBlack) {
3593 if (!WhiteOnMove(forwardMostMove)) {
3594 if (first.sendTime) {
3595 if (first.useColors) {
3596 SendToProgram("white\n", &first);
3598 SendTimeRemaining(&first, FALSE);
3600 if (first.useColors) {
3601 SendToProgram("black\n", &first);
3603 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3604 first.maybeThinking = TRUE;
3606 if (first.usePlayother) {
3607 if (first.sendTime) {
3608 SendTimeRemaining(&first, FALSE);
3610 SendToProgram("playother\n", &first);
3619 if (gameMode == IcsObserving && ics_gamenum == -1) {
3620 /* Moves came from oldmoves or moves command
3621 while we weren't doing anything else.
3623 currentMove = forwardMostMove;
3624 ClearHighlights();/*!!could figure this out*/
3625 flipView = appData.flipView;
3626 DrawPosition(TRUE, boards[currentMove]);
3627 DisplayBothClocks();
3628 snprintf(str, MSG_SIZ, "%s vs. %s",
3629 gameInfo.white, gameInfo.black);
3633 /* Moves were history of an active game */
3634 if (gameInfo.resultDetails != NULL) {
3635 free(gameInfo.resultDetails);
3636 gameInfo.resultDetails = NULL;
3639 HistorySet(parseList, backwardMostMove,
3640 forwardMostMove, currentMove-1);
3641 DisplayMove(currentMove - 1);
3642 if (started == STARTED_MOVES) next_out = i;
3643 started = STARTED_NONE;
3644 ics_getting_history = H_FALSE;
3647 case STARTED_OBSERVE:
3648 started = STARTED_NONE;
3649 SendToICS(ics_prefix);
3650 SendToICS("refresh\n");
3656 if(bookHit) { // [HGM] book: simulate book reply
3657 static char bookMove[MSG_SIZ]; // a bit generous?
3659 programStats.nodes = programStats.depth = programStats.time =
3660 programStats.score = programStats.got_only_move = 0;
3661 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3663 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3664 strcat(bookMove, bookHit);
3665 HandleMachineMove(bookMove, &first);
3670 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3671 started == STARTED_HOLDINGS ||
3672 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3673 /* Accumulate characters in move list or board */
3674 parse[parse_pos++] = buf[i];
3677 /* Start of game messages. Mostly we detect start of game
3678 when the first board image arrives. On some versions
3679 of the ICS, though, we need to do a "refresh" after starting
3680 to observe in order to get the current board right away. */
3681 if (looking_at(buf, &i, "Adding game * to observation list")) {
3682 started = STARTED_OBSERVE;
3686 /* Handle auto-observe */
3687 if (appData.autoObserve &&
3688 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3689 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3691 /* Choose the player that was highlighted, if any. */
3692 if (star_match[0][0] == '\033' ||
3693 star_match[1][0] != '\033') {
3694 player = star_match[0];
3696 player = star_match[2];
3698 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3699 ics_prefix, StripHighlightAndTitle(player));
3702 /* Save ratings from notify string */
3703 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3704 player1Rating = string_to_rating(star_match[1]);
3705 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3706 player2Rating = string_to_rating(star_match[3]);
3708 if (appData.debugMode)
3710 "Ratings from 'Game notification:' %s %d, %s %d\n",
3711 player1Name, player1Rating,
3712 player2Name, player2Rating);
3717 /* Deal with automatic examine mode after a game,
3718 and with IcsObserving -> IcsExamining transition */
3719 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3720 looking_at(buf, &i, "has made you an examiner of game *")) {
3722 int gamenum = atoi(star_match[0]);
3723 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3724 gamenum == ics_gamenum) {
3725 /* We were already playing or observing this game;
3726 no need to refetch history */
3727 gameMode = IcsExamining;
3729 pauseExamForwardMostMove = forwardMostMove;
3730 } else if (currentMove < forwardMostMove) {
3731 ForwardInner(forwardMostMove);
3734 /* I don't think this case really can happen */
3735 SendToICS(ics_prefix);
3736 SendToICS("refresh\n");
3741 /* Error messages */
3742 // if (ics_user_moved) {
3743 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3744 if (looking_at(buf, &i, "Illegal move") ||
3745 looking_at(buf, &i, "Not a legal move") ||
3746 looking_at(buf, &i, "Your king is in check") ||
3747 looking_at(buf, &i, "It isn't your turn") ||
3748 looking_at(buf, &i, "It is not your move")) {
3750 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3751 currentMove = forwardMostMove-1;
3752 DisplayMove(currentMove - 1); /* before DMError */
3753 DrawPosition(FALSE, boards[currentMove]);
3754 SwitchClocks(forwardMostMove-1); // [HGM] race
3755 DisplayBothClocks();
3757 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3763 if (looking_at(buf, &i, "still have time") ||
3764 looking_at(buf, &i, "not out of time") ||
3765 looking_at(buf, &i, "either player is out of time") ||
3766 looking_at(buf, &i, "has timeseal; checking")) {
3767 /* We must have called his flag a little too soon */
3768 whiteFlag = blackFlag = FALSE;
3772 if (looking_at(buf, &i, "added * seconds to") ||
3773 looking_at(buf, &i, "seconds were added to")) {
3774 /* Update the clocks */
3775 SendToICS(ics_prefix);
3776 SendToICS("refresh\n");
3780 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3781 ics_clock_paused = TRUE;
3786 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3787 ics_clock_paused = FALSE;
3792 /* Grab player ratings from the Creating: message.
3793 Note we have to check for the special case when
3794 the ICS inserts things like [white] or [black]. */
3795 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3796 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3798 0 player 1 name (not necessarily white)
3800 2 empty, white, or black (IGNORED)
3801 3 player 2 name (not necessarily black)
3804 The names/ratings are sorted out when the game
3805 actually starts (below).
3807 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3808 player1Rating = string_to_rating(star_match[1]);
3809 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3810 player2Rating = string_to_rating(star_match[4]);
3812 if (appData.debugMode)
3814 "Ratings from 'Creating:' %s %d, %s %d\n",
3815 player1Name, player1Rating,
3816 player2Name, player2Rating);
3821 /* Improved generic start/end-of-game messages */
3822 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3823 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3824 /* If tkind == 0: */
3825 /* star_match[0] is the game number */
3826 /* [1] is the white player's name */
3827 /* [2] is the black player's name */
3828 /* For end-of-game: */
3829 /* [3] is the reason for the game end */
3830 /* [4] is a PGN end game-token, preceded by " " */
3831 /* For start-of-game: */
3832 /* [3] begins with "Creating" or "Continuing" */
3833 /* [4] is " *" or empty (don't care). */
3834 int gamenum = atoi(star_match[0]);
3835 char *whitename, *blackname, *why, *endtoken;
3836 ChessMove endtype = EndOfFile;
3839 whitename = star_match[1];
3840 blackname = star_match[2];
3841 why = star_match[3];
3842 endtoken = star_match[4];
3844 whitename = star_match[1];
3845 blackname = star_match[3];
3846 why = star_match[5];
3847 endtoken = star_match[6];
3850 /* Game start messages */
3851 if (strncmp(why, "Creating ", 9) == 0 ||
3852 strncmp(why, "Continuing ", 11) == 0) {
3853 gs_gamenum = gamenum;
3854 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3855 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3857 if (appData.zippyPlay) {
3858 ZippyGameStart(whitename, blackname);
3861 partnerBoardValid = FALSE; // [HGM] bughouse
3865 /* Game end messages */
3866 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3867 ics_gamenum != gamenum) {
3870 while (endtoken[0] == ' ') endtoken++;
3871 switch (endtoken[0]) {
3874 endtype = GameUnfinished;
3877 endtype = BlackWins;
3880 if (endtoken[1] == '/')
3881 endtype = GameIsDrawn;
3883 endtype = WhiteWins;
3886 GameEnds(endtype, why, GE_ICS);
3888 if (appData.zippyPlay && first.initDone) {
3889 ZippyGameEnd(endtype, why);
3890 if (first.pr == NULL) {
3891 /* Start the next process early so that we'll
3892 be ready for the next challenge */
3893 StartChessProgram(&first);
3895 /* Send "new" early, in case this command takes
3896 a long time to finish, so that we'll be ready
3897 for the next challenge. */
3898 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3902 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3906 if (looking_at(buf, &i, "Removing game * from observation") ||
3907 looking_at(buf, &i, "no longer observing game *") ||
3908 looking_at(buf, &i, "Game * (*) has no examiners")) {
3909 if (gameMode == IcsObserving &&
3910 atoi(star_match[0]) == ics_gamenum)
3912 /* icsEngineAnalyze */
3913 if (appData.icsEngineAnalyze) {
3920 ics_user_moved = FALSE;
3925 if (looking_at(buf, &i, "no longer examining game *")) {
3926 if (gameMode == IcsExamining &&
3927 atoi(star_match[0]) == ics_gamenum)
3931 ics_user_moved = FALSE;
3936 /* Advance leftover_start past any newlines we find,
3937 so only partial lines can get reparsed */
3938 if (looking_at(buf, &i, "\n")) {
3939 prevColor = curColor;
3940 if (curColor != ColorNormal) {
3941 if (oldi > next_out) {
3942 SendToPlayer(&buf[next_out], oldi - next_out);
3945 Colorize(ColorNormal, FALSE);
3946 curColor = ColorNormal;
3948 if (started == STARTED_BOARD) {
3949 started = STARTED_NONE;
3950 parse[parse_pos] = NULLCHAR;
3951 ParseBoard12(parse);
3954 /* Send premove here */
3955 if (appData.premove) {
3957 if (currentMove == 0 &&
3958 gameMode == IcsPlayingWhite &&
3959 appData.premoveWhite) {
3960 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3961 if (appData.debugMode)
3962 fprintf(debugFP, "Sending premove:\n");
3964 } else if (currentMove == 1 &&
3965 gameMode == IcsPlayingBlack &&
3966 appData.premoveBlack) {
3967 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3968 if (appData.debugMode)
3969 fprintf(debugFP, "Sending premove:\n");
3971 } else if (gotPremove) {
3973 ClearPremoveHighlights();
3974 if (appData.debugMode)
3975 fprintf(debugFP, "Sending premove:\n");
3976 UserMoveEvent(premoveFromX, premoveFromY,
3977 premoveToX, premoveToY,
3982 /* Usually suppress following prompt */
3983 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3984 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3985 if (looking_at(buf, &i, "*% ")) {
3986 savingComment = FALSE;
3991 } else if (started == STARTED_HOLDINGS) {
3993 char new_piece[MSG_SIZ];
3994 started = STARTED_NONE;
3995 parse[parse_pos] = NULLCHAR;
3996 if (appData.debugMode)
3997 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3998 parse, currentMove);
3999 if (sscanf(parse, " game %d", &gamenum) == 1) {
4000 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4001 if (gameInfo.variant == VariantNormal) {
4002 /* [HGM] We seem to switch variant during a game!
4003 * Presumably no holdings were displayed, so we have
4004 * to move the position two files to the right to
4005 * create room for them!
4007 VariantClass newVariant;
4008 switch(gameInfo.boardWidth) { // base guess on board width
4009 case 9: newVariant = VariantShogi; break;
4010 case 10: newVariant = VariantGreat; break;
4011 default: newVariant = VariantCrazyhouse; break;
4013 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4014 /* Get a move list just to see the header, which
4015 will tell us whether this is really bug or zh */
4016 if (ics_getting_history == H_FALSE) {
4017 ics_getting_history = H_REQUESTED;
4018 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4022 new_piece[0] = NULLCHAR;
4023 sscanf(parse, "game %d white [%s black [%s <- %s",
4024 &gamenum, white_holding, black_holding,
4026 white_holding[strlen(white_holding)-1] = NULLCHAR;
4027 black_holding[strlen(black_holding)-1] = NULLCHAR;
4028 /* [HGM] copy holdings to board holdings area */
4029 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4030 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4031 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4033 if (appData.zippyPlay && first.initDone) {
4034 ZippyHoldings(white_holding, black_holding,
4038 if (tinyLayout || smallLayout) {
4039 char wh[16], bh[16];
4040 PackHolding(wh, white_holding);
4041 PackHolding(bh, black_holding);
4042 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4043 gameInfo.white, gameInfo.black);
4045 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4046 gameInfo.white, white_holding,
4047 gameInfo.black, black_holding);
4049 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4050 DrawPosition(FALSE, boards[currentMove]);
4052 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4053 sscanf(parse, "game %d white [%s black [%s <- %s",
4054 &gamenum, white_holding, black_holding,
4056 white_holding[strlen(white_holding)-1] = NULLCHAR;
4057 black_holding[strlen(black_holding)-1] = NULLCHAR;
4058 /* [HGM] copy holdings to partner-board holdings area */
4059 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4060 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4061 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4062 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4063 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4066 /* Suppress following prompt */
4067 if (looking_at(buf, &i, "*% ")) {
4068 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4069 savingComment = FALSE;
4077 i++; /* skip unparsed character and loop back */
4080 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4081 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4082 // SendToPlayer(&buf[next_out], i - next_out);
4083 started != STARTED_HOLDINGS && leftover_start > next_out) {
4084 SendToPlayer(&buf[next_out], leftover_start - next_out);
4088 leftover_len = buf_len - leftover_start;
4089 /* if buffer ends with something we couldn't parse,
4090 reparse it after appending the next read */
4092 } else if (count == 0) {
4093 RemoveInputSource(isr);
4094 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4096 DisplayFatalError(_("Error reading from ICS"), error, 1);
4101 /* Board style 12 looks like this:
4103 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4105 * The "<12> " is stripped before it gets to this routine. The two
4106 * trailing 0's (flip state and clock ticking) are later addition, and
4107 * some chess servers may not have them, or may have only the first.
4108 * Additional trailing fields may be added in the future.
4111 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4113 #define RELATION_OBSERVING_PLAYED 0
4114 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4115 #define RELATION_PLAYING_MYMOVE 1
4116 #define RELATION_PLAYING_NOTMYMOVE -1
4117 #define RELATION_EXAMINING 2
4118 #define RELATION_ISOLATED_BOARD -3
4119 #define RELATION_STARTING_POSITION -4 /* FICS only */
4122 ParseBoard12(string)
4125 GameMode newGameMode;
4126 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4127 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4128 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4129 char to_play, board_chars[200];
4130 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4131 char black[32], white[32];
4133 int prevMove = currentMove;
4136 int fromX, fromY, toX, toY;
4138 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4139 char *bookHit = NULL; // [HGM] book
4140 Boolean weird = FALSE, reqFlag = FALSE;
4142 fromX = fromY = toX = toY = -1;
4146 if (appData.debugMode)
4147 fprintf(debugFP, _("Parsing board: %s\n"), string);
4149 move_str[0] = NULLCHAR;
4150 elapsed_time[0] = NULLCHAR;
4151 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4153 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4154 if(string[i] == ' ') { ranks++; files = 0; }
4156 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4159 for(j = 0; j <i; j++) board_chars[j] = string[j];
4160 board_chars[i] = '\0';
4163 n = sscanf(string, PATTERN, &to_play, &double_push,
4164 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4165 &gamenum, white, black, &relation, &basetime, &increment,
4166 &white_stren, &black_stren, &white_time, &black_time,
4167 &moveNum, str, elapsed_time, move_str, &ics_flip,
4171 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4172 DisplayError(str, 0);
4176 /* Convert the move number to internal form */
4177 moveNum = (moveNum - 1) * 2;
4178 if (to_play == 'B') moveNum++;
4179 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4180 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4186 case RELATION_OBSERVING_PLAYED:
4187 case RELATION_OBSERVING_STATIC:
4188 if (gamenum == -1) {
4189 /* Old ICC buglet */
4190 relation = RELATION_OBSERVING_STATIC;
4192 newGameMode = IcsObserving;
4194 case RELATION_PLAYING_MYMOVE:
4195 case RELATION_PLAYING_NOTMYMOVE:
4197 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4198 IcsPlayingWhite : IcsPlayingBlack;
4200 case RELATION_EXAMINING:
4201 newGameMode = IcsExamining;
4203 case RELATION_ISOLATED_BOARD:
4205 /* Just display this board. If user was doing something else,
4206 we will forget about it until the next board comes. */
4207 newGameMode = IcsIdle;
4209 case RELATION_STARTING_POSITION:
4210 newGameMode = gameMode;
4214 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4215 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4216 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4218 for (k = 0; k < ranks; k++) {
4219 for (j = 0; j < files; j++)
4220 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4221 if(gameInfo.holdingsWidth > 1) {
4222 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4223 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4226 CopyBoard(partnerBoard, board);
4227 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4228 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4229 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4230 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4231 if(toSqr = strchr(str, '-')) {
4232 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4233 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4234 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4235 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4236 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4237 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4238 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4239 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4240 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4241 DisplayMessage(partnerStatus, "");
4242 partnerBoardValid = TRUE;
4246 /* Modify behavior for initial board display on move listing
4249 switch (ics_getting_history) {
4253 case H_GOT_REQ_HEADER:
4254 case H_GOT_UNREQ_HEADER:
4255 /* This is the initial position of the current game */
4256 gamenum = ics_gamenum;
4257 moveNum = 0; /* old ICS bug workaround */
4258 if (to_play == 'B') {
4259 startedFromSetupPosition = TRUE;
4260 blackPlaysFirst = TRUE;
4262 if (forwardMostMove == 0) forwardMostMove = 1;
4263 if (backwardMostMove == 0) backwardMostMove = 1;
4264 if (currentMove == 0) currentMove = 1;
4266 newGameMode = gameMode;
4267 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4269 case H_GOT_UNWANTED_HEADER:
4270 /* This is an initial board that we don't want */
4272 case H_GETTING_MOVES:
4273 /* Should not happen */
4274 DisplayError(_("Error gathering move list: extra board"), 0);
4275 ics_getting_history = H_FALSE;
4279 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4280 weird && (int)gameInfo.variant < (int)VariantShogi) {
4281 /* [HGM] We seem to have switched variant unexpectedly
4282 * Try to guess new variant from board size
4284 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4285 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4286 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4287 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4288 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4289 if(!weird) newVariant = VariantNormal;
4290 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4291 /* Get a move list just to see the header, which
4292 will tell us whether this is really bug or zh */
4293 if (ics_getting_history == H_FALSE) {
4294 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4295 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4300 /* Take action if this is the first board of a new game, or of a
4301 different game than is currently being displayed. */
4302 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4303 relation == RELATION_ISOLATED_BOARD) {
4305 /* Forget the old game and get the history (if any) of the new one */
4306 if (gameMode != BeginningOfGame) {
4310 if (appData.autoRaiseBoard) BoardToTop();
4312 if (gamenum == -1) {
4313 newGameMode = IcsIdle;
4314 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4315 appData.getMoveList && !reqFlag) {
4316 /* Need to get game history */
4317 ics_getting_history = H_REQUESTED;
4318 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4322 /* Initially flip the board to have black on the bottom if playing
4323 black or if the ICS flip flag is set, but let the user change
4324 it with the Flip View button. */
4325 flipView = appData.autoFlipView ?
4326 (newGameMode == IcsPlayingBlack) || ics_flip :
4329 /* Done with values from previous mode; copy in new ones */
4330 gameMode = newGameMode;
4332 ics_gamenum = gamenum;
4333 if (gamenum == gs_gamenum) {
4334 int klen = strlen(gs_kind);
4335 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4336 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4337 gameInfo.event = StrSave(str);
4339 gameInfo.event = StrSave("ICS game");
4341 gameInfo.site = StrSave(appData.icsHost);
4342 gameInfo.date = PGNDate();
4343 gameInfo.round = StrSave("-");
4344 gameInfo.white = StrSave(white);
4345 gameInfo.black = StrSave(black);
4346 timeControl = basetime * 60 * 1000;
4348 timeIncrement = increment * 1000;
4349 movesPerSession = 0;
4350 gameInfo.timeControl = TimeControlTagValue();
4351 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4352 if (appData.debugMode) {
4353 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4354 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4355 setbuf(debugFP, NULL);
4358 gameInfo.outOfBook = NULL;
4360 /* Do we have the ratings? */
4361 if (strcmp(player1Name, white) == 0 &&
4362 strcmp(player2Name, black) == 0) {
4363 if (appData.debugMode)
4364 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4365 player1Rating, player2Rating);
4366 gameInfo.whiteRating = player1Rating;
4367 gameInfo.blackRating = player2Rating;
4368 } else if (strcmp(player2Name, white) == 0 &&
4369 strcmp(player1Name, black) == 0) {
4370 if (appData.debugMode)
4371 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4372 player2Rating, player1Rating);
4373 gameInfo.whiteRating = player2Rating;
4374 gameInfo.blackRating = player1Rating;
4376 player1Name[0] = player2Name[0] = NULLCHAR;
4378 /* Silence shouts if requested */
4379 if (appData.quietPlay &&
4380 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4381 SendToICS(ics_prefix);
4382 SendToICS("set shout 0\n");
4386 /* Deal with midgame name changes */
4388 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4389 if (gameInfo.white) free(gameInfo.white);
4390 gameInfo.white = StrSave(white);
4392 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4393 if (gameInfo.black) free(gameInfo.black);
4394 gameInfo.black = StrSave(black);
4398 /* Throw away game result if anything actually changes in examine mode */
4399 if (gameMode == IcsExamining && !newGame) {
4400 gameInfo.result = GameUnfinished;
4401 if (gameInfo.resultDetails != NULL) {
4402 free(gameInfo.resultDetails);
4403 gameInfo.resultDetails = NULL;
4407 /* In pausing && IcsExamining mode, we ignore boards coming
4408 in if they are in a different variation than we are. */
4409 if (pauseExamInvalid) return;
4410 if (pausing && gameMode == IcsExamining) {
4411 if (moveNum <= pauseExamForwardMostMove) {
4412 pauseExamInvalid = TRUE;
4413 forwardMostMove = pauseExamForwardMostMove;
4418 if (appData.debugMode) {
4419 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4421 /* Parse the board */
4422 for (k = 0; k < ranks; k++) {
4423 for (j = 0; j < files; j++)
4424 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4425 if(gameInfo.holdingsWidth > 1) {
4426 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4427 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4430 CopyBoard(boards[moveNum], board);
4431 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4433 startedFromSetupPosition =
4434 !CompareBoards(board, initialPosition);
4435 if(startedFromSetupPosition)
4436 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4439 /* [HGM] Set castling rights. Take the outermost Rooks,
4440 to make it also work for FRC opening positions. Note that board12
4441 is really defective for later FRC positions, as it has no way to
4442 indicate which Rook can castle if they are on the same side of King.
4443 For the initial position we grant rights to the outermost Rooks,
4444 and remember thos rights, and we then copy them on positions
4445 later in an FRC game. This means WB might not recognize castlings with
4446 Rooks that have moved back to their original position as illegal,
4447 but in ICS mode that is not its job anyway.
4449 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4450 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4452 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4453 if(board[0][i] == WhiteRook) j = i;
4454 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4455 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4456 if(board[0][i] == WhiteRook) j = i;
4457 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4458 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4459 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4460 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4461 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4462 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4463 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4465 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4466 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4467 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4468 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4469 if(board[BOARD_HEIGHT-1][k] == bKing)
4470 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4471 if(gameInfo.variant == VariantTwoKings) {
4472 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4473 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4474 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4477 r = boards[moveNum][CASTLING][0] = initialRights[0];
4478 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4479 r = boards[moveNum][CASTLING][1] = initialRights[1];
4480 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4481 r = boards[moveNum][CASTLING][3] = initialRights[3];
4482 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4483 r = boards[moveNum][CASTLING][4] = initialRights[4];
4484 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4485 /* wildcastle kludge: always assume King has rights */
4486 r = boards[moveNum][CASTLING][2] = initialRights[2];
4487 r = boards[moveNum][CASTLING][5] = initialRights[5];
4489 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4490 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4493 if (ics_getting_history == H_GOT_REQ_HEADER ||
4494 ics_getting_history == H_GOT_UNREQ_HEADER) {
4495 /* This was an initial position from a move list, not
4496 the current position */
4500 /* Update currentMove and known move number limits */
4501 newMove = newGame || moveNum > forwardMostMove;
4504 forwardMostMove = backwardMostMove = currentMove = moveNum;
4505 if (gameMode == IcsExamining && moveNum == 0) {
4506 /* Workaround for ICS limitation: we are not told the wild
4507 type when starting to examine a game. But if we ask for
4508 the move list, the move list header will tell us */
4509 ics_getting_history = H_REQUESTED;
4510 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4513 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4514 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4516 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4517 /* [HGM] applied this also to an engine that is silently watching */
4518 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4519 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4520 gameInfo.variant == currentlyInitializedVariant) {
4521 takeback = forwardMostMove - moveNum;
4522 for (i = 0; i < takeback; i++) {
4523 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4524 SendToProgram("undo\n", &first);
4529 forwardMostMove = moveNum;
4530 if (!pausing || currentMove > forwardMostMove)
4531 currentMove = forwardMostMove;
4533 /* New part of history that is not contiguous with old part */
4534 if (pausing && gameMode == IcsExamining) {
4535 pauseExamInvalid = TRUE;
4536 forwardMostMove = pauseExamForwardMostMove;
4539 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4541 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4542 // [HGM] when we will receive the move list we now request, it will be
4543 // fed to the engine from the first move on. So if the engine is not
4544 // in the initial position now, bring it there.
4545 InitChessProgram(&first, 0);
4548 ics_getting_history = H_REQUESTED;
4549 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4552 forwardMostMove = backwardMostMove = currentMove = moveNum;
4555 /* Update the clocks */
4556 if (strchr(elapsed_time, '.')) {
4558 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4559 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4561 /* Time is in seconds */
4562 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4563 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4568 if (appData.zippyPlay && newGame &&
4569 gameMode != IcsObserving && gameMode != IcsIdle &&
4570 gameMode != IcsExamining)
4571 ZippyFirstBoard(moveNum, basetime, increment);
4574 /* Put the move on the move list, first converting
4575 to canonical algebraic form. */
4577 if (appData.debugMode) {
4578 if (appData.debugMode) { int f = forwardMostMove;
4579 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4580 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4581 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4583 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4584 fprintf(debugFP, "moveNum = %d\n", moveNum);
4585 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4586 setbuf(debugFP, NULL);
4588 if (moveNum <= backwardMostMove) {
4589 /* We don't know what the board looked like before
4591 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4592 strcat(parseList[moveNum - 1], " ");
4593 strcat(parseList[moveNum - 1], elapsed_time);
4594 moveList[moveNum - 1][0] = NULLCHAR;
4595 } else if (strcmp(move_str, "none") == 0) {
4596 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4597 /* Again, we don't know what the board looked like;
4598 this is really the start of the game. */
4599 parseList[moveNum - 1][0] = NULLCHAR;
4600 moveList[moveNum - 1][0] = NULLCHAR;
4601 backwardMostMove = moveNum;
4602 startedFromSetupPosition = TRUE;
4603 fromX = fromY = toX = toY = -1;
4605 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4606 // So we parse the long-algebraic move string in stead of the SAN move
4607 int valid; char buf[MSG_SIZ], *prom;
4609 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4610 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4611 // str looks something like "Q/a1-a2"; kill the slash
4613 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4614 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4615 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4616 strcat(buf, prom); // long move lacks promo specification!
4617 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4618 if(appData.debugMode)
4619 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4620 safeStrCpy(move_str, buf, MSG_SIZ);
4622 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4623 &fromX, &fromY, &toX, &toY, &promoChar)
4624 || ParseOneMove(buf, moveNum - 1, &moveType,
4625 &fromX, &fromY, &toX, &toY, &promoChar);
4626 // end of long SAN patch
4628 (void) CoordsToAlgebraic(boards[moveNum - 1],
4629 PosFlags(moveNum - 1),
4630 fromY, fromX, toY, toX, promoChar,
4631 parseList[moveNum-1]);
4632 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4638 if(gameInfo.variant != VariantShogi)
4639 strcat(parseList[moveNum - 1], "+");
4642 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4643 strcat(parseList[moveNum - 1], "#");
4646 strcat(parseList[moveNum - 1], " ");
4647 strcat(parseList[moveNum - 1], elapsed_time);
4648 /* currentMoveString is set as a side-effect of ParseOneMove */
4649 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4650 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4651 strcat(moveList[moveNum - 1], "\n");
4653 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4654 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4655 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4656 ChessSquare old, new = boards[moveNum][k][j];
4657 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4658 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4659 if(old == new) continue;
4660 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4661 else if(new == WhiteWazir || new == BlackWazir) {
4662 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4663 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4664 else boards[moveNum][k][j] = old; // preserve type of Gold
4665 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4666 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4669 /* Move from ICS was illegal!? Punt. */
4670 if (appData.debugMode) {
4671 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4672 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4674 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4675 strcat(parseList[moveNum - 1], " ");
4676 strcat(parseList[moveNum - 1], elapsed_time);
4677 moveList[moveNum - 1][0] = NULLCHAR;
4678 fromX = fromY = toX = toY = -1;
4681 if (appData.debugMode) {
4682 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4683 setbuf(debugFP, NULL);
4687 /* Send move to chess program (BEFORE animating it). */
4688 if (appData.zippyPlay && !newGame && newMove &&
4689 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4691 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4692 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4693 if (moveList[moveNum - 1][0] == NULLCHAR) {
4694 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4696 DisplayError(str, 0);
4698 if (first.sendTime) {
4699 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4701 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4702 if (firstMove && !bookHit) {
4704 if (first.useColors) {
4705 SendToProgram(gameMode == IcsPlayingWhite ?
4707 "black\ngo\n", &first);
4709 SendToProgram("go\n", &first);
4711 first.maybeThinking = TRUE;
4714 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4715 if (moveList[moveNum - 1][0] == NULLCHAR) {
4716 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4717 DisplayError(str, 0);
4719 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4720 SendMoveToProgram(moveNum - 1, &first);
4727 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4728 /* If move comes from a remote source, animate it. If it
4729 isn't remote, it will have already been animated. */
4730 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4731 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4733 if (!pausing && appData.highlightLastMove) {
4734 SetHighlights(fromX, fromY, toX, toY);
4738 /* Start the clocks */
4739 whiteFlag = blackFlag = FALSE;
4740 appData.clockMode = !(basetime == 0 && increment == 0);
4742 ics_clock_paused = TRUE;
4744 } else if (ticking == 1) {
4745 ics_clock_paused = FALSE;
4747 if (gameMode == IcsIdle ||
4748 relation == RELATION_OBSERVING_STATIC ||
4749 relation == RELATION_EXAMINING ||
4751 DisplayBothClocks();
4755 /* Display opponents and material strengths */
4756 if (gameInfo.variant != VariantBughouse &&
4757 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4758 if (tinyLayout || smallLayout) {
4759 if(gameInfo.variant == VariantNormal)
4760 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4761 gameInfo.white, white_stren, gameInfo.black, black_stren,
4762 basetime, increment);
4764 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4765 gameInfo.white, white_stren, gameInfo.black, black_stren,
4766 basetime, increment, (int) gameInfo.variant);
4768 if(gameInfo.variant == VariantNormal)
4769 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4770 gameInfo.white, white_stren, gameInfo.black, black_stren,
4771 basetime, increment);
4773 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4774 gameInfo.white, white_stren, gameInfo.black, black_stren,
4775 basetime, increment, VariantName(gameInfo.variant));
4778 if (appData.debugMode) {
4779 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4784 /* Display the board */
4785 if (!pausing && !appData.noGUI) {
4787 if (appData.premove)
4789 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4790 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4791 ClearPremoveHighlights();
4793 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4794 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4795 DrawPosition(j, boards[currentMove]);
4797 DisplayMove(moveNum - 1);
4798 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4799 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4800 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4801 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4805 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4807 if(bookHit) { // [HGM] book: simulate book reply
4808 static char bookMove[MSG_SIZ]; // a bit generous?
4810 programStats.nodes = programStats.depth = programStats.time =
4811 programStats.score = programStats.got_only_move = 0;
4812 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4814 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4815 strcat(bookMove, bookHit);
4816 HandleMachineMove(bookMove, &first);
4825 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4826 ics_getting_history = H_REQUESTED;
4827 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4833 AnalysisPeriodicEvent(force)
4836 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4837 && !force) || !appData.periodicUpdates)
4840 /* Send . command to Crafty to collect stats */
4841 SendToProgram(".\n", &first);
4843 /* Don't send another until we get a response (this makes
4844 us stop sending to old Crafty's which don't understand
4845 the "." command (sending illegal cmds resets node count & time,
4846 which looks bad)) */
4847 programStats.ok_to_send = 0;
4850 void ics_update_width(new_width)
4853 ics_printf("set width %d\n", new_width);
4857 SendMoveToProgram(moveNum, cps)
4859 ChessProgramState *cps;
4863 if (cps->useUsermove) {
4864 SendToProgram("usermove ", cps);
4868 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4869 int len = space - parseList[moveNum];
4870 memcpy(buf, parseList[moveNum], len);
4872 buf[len] = NULLCHAR;
4874 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4876 SendToProgram(buf, cps);
4878 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4879 AlphaRank(moveList[moveNum], 4);
4880 SendToProgram(moveList[moveNum], cps);
4881 AlphaRank(moveList[moveNum], 4); // and back
4883 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4884 * the engine. It would be nice to have a better way to identify castle
4886 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4887 && cps->useOOCastle) {
4888 int fromX = moveList[moveNum][0] - AAA;
4889 int fromY = moveList[moveNum][1] - ONE;
4890 int toX = moveList[moveNum][2] - AAA;
4891 int toY = moveList[moveNum][3] - ONE;
4892 if((boards[moveNum][fromY][fromX] == WhiteKing
4893 && boards[moveNum][toY][toX] == WhiteRook)
4894 || (boards[moveNum][fromY][fromX] == BlackKing
4895 && boards[moveNum][toY][toX] == BlackRook)) {
4896 if(toX > fromX) SendToProgram("O-O\n", cps);
4897 else SendToProgram("O-O-O\n", cps);
4899 else SendToProgram(moveList[moveNum], cps);
4901 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4902 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4903 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4904 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4906 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4907 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4908 SendToProgram(buf, cps);
4910 else SendToProgram(moveList[moveNum], cps);
4911 /* End of additions by Tord */
4914 /* [HGM] setting up the opening has brought engine in force mode! */
4915 /* Send 'go' if we are in a mode where machine should play. */
4916 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4917 (gameMode == TwoMachinesPlay ||
4919 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4921 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4922 SendToProgram("go\n", cps);
4923 if (appData.debugMode) {
4924 fprintf(debugFP, "(extra)\n");
4927 setboardSpoiledMachineBlack = 0;
4931 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4933 int fromX, fromY, toX, toY;
4936 char user_move[MSG_SIZ];
4940 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4941 (int)moveType, fromX, fromY, toX, toY);
4942 DisplayError(user_move + strlen("say "), 0);
4944 case WhiteKingSideCastle:
4945 case BlackKingSideCastle:
4946 case WhiteQueenSideCastleWild:
4947 case BlackQueenSideCastleWild:
4949 case WhiteHSideCastleFR:
4950 case BlackHSideCastleFR:
4952 snprintf(user_move, MSG_SIZ, "o-o\n");
4954 case WhiteQueenSideCastle:
4955 case BlackQueenSideCastle:
4956 case WhiteKingSideCastleWild:
4957 case BlackKingSideCastleWild:
4959 case WhiteASideCastleFR:
4960 case BlackASideCastleFR:
4962 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4964 case WhiteNonPromotion:
4965 case BlackNonPromotion:
4966 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4968 case WhitePromotion:
4969 case BlackPromotion:
4970 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4971 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4972 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4973 PieceToChar(WhiteFerz));
4974 else if(gameInfo.variant == VariantGreat)
4975 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4976 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4977 PieceToChar(WhiteMan));
4979 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4980 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4986 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4987 ToUpper(PieceToChar((ChessSquare) fromX)),
4988 AAA + toX, ONE + toY);
4990 case IllegalMove: /* could be a variant we don't quite understand */
4991 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4993 case WhiteCapturesEnPassant:
4994 case BlackCapturesEnPassant:
4995 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4996 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4999 SendToICS(user_move);
5000 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5001 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5006 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5007 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5008 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5009 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5010 DisplayError("You cannot do this while you are playing or observing", 0);
5013 if(gameMode != IcsExamining) { // is this ever not the case?
5014 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5016 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5017 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5018 } else { // on FICS we must first go to general examine mode
5019 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5021 if(gameInfo.variant != VariantNormal) {
5022 // try figure out wild number, as xboard names are not always valid on ICS
5023 for(i=1; i<=36; i++) {
5024 snprintf(buf, MSG_SIZ, "wild/%d", i);
5025 if(StringToVariant(buf) == gameInfo.variant) break;
5027 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5028 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5029 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5030 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5031 SendToICS(ics_prefix);
5033 if(startedFromSetupPosition || backwardMostMove != 0) {
5034 fen = PositionToFEN(backwardMostMove, NULL);
5035 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5036 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5038 } else { // FICS: everything has to set by separate bsetup commands
5039 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5040 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5042 if(!WhiteOnMove(backwardMostMove)) {
5043 SendToICS("bsetup tomove black\n");
5045 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5046 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5048 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5049 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5051 i = boards[backwardMostMove][EP_STATUS];
5052 if(i >= 0) { // set e.p.
5053 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5059 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5060 SendToICS("bsetup done\n"); // switch to normal examining.
5062 for(i = backwardMostMove; i<last; i++) {
5064 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5067 SendToICS(ics_prefix);
5068 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5072 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5077 if (rf == DROP_RANK) {
5078 sprintf(move, "%c@%c%c\n",
5079 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5081 if (promoChar == 'x' || promoChar == NULLCHAR) {
5082 sprintf(move, "%c%c%c%c\n",
5083 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5085 sprintf(move, "%c%c%c%c%c\n",
5086 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5092 ProcessICSInitScript(f)
5097 while (fgets(buf, MSG_SIZ, f)) {
5098 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5105 static int lastX, lastY, selectFlag, dragging;
5110 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5111 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5112 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5113 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5114 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5115 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5118 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5119 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5120 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5121 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5123 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5124 appData.testLegality && (promoSweep == king ||
5125 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5126 ChangeDragPiece(promoSweep);
5129 int PromoScroll(int x, int y)
5133 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5134 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5135 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5136 if(!step) return FALSE;
5137 lastX = x; lastY = y;
5138 if((promoSweep < BlackPawn) == flipView) step = -step;
5139 if(step > 0) selectFlag = 1;
5140 if(!selectFlag) Sweep(step);
5147 ChessSquare piece = boards[currentMove][toY][toX];
5150 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5151 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5152 if(!step) step = -1;
5153 } while(PieceToChar(pieceSweep) == '.');
5154 boards[currentMove][toY][toX] = pieceSweep;
5155 DrawPosition(FALSE, boards[currentMove]);
5156 boards[currentMove][toY][toX] = piece;
5158 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5160 AlphaRank(char *move, int n)
5162 // char *p = move, c; int x, y;
5164 if (appData.debugMode) {
5165 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5169 move[2]>='0' && move[2]<='9' &&
5170 move[3]>='a' && move[3]<='x' ) {
5172 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5173 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5175 if(move[0]>='0' && move[0]<='9' &&
5176 move[1]>='a' && move[1]<='x' &&
5177 move[2]>='0' && move[2]<='9' &&
5178 move[3]>='a' && move[3]<='x' ) {
5179 /* input move, Shogi -> normal */
5180 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5181 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5182 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5183 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5186 move[3]>='0' && move[3]<='9' &&
5187 move[2]>='a' && move[2]<='x' ) {
5189 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5190 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5193 move[0]>='a' && move[0]<='x' &&
5194 move[3]>='0' && move[3]<='9' &&
5195 move[2]>='a' && move[2]<='x' ) {
5196 /* output move, normal -> Shogi */
5197 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5198 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5199 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5200 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5201 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5203 if (appData.debugMode) {
5204 fprintf(debugFP, " out = '%s'\n", move);
5208 char yy_textstr[8000];
5210 /* Parser for moves from gnuchess, ICS, or user typein box */
5212 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5215 ChessMove *moveType;
5216 int *fromX, *fromY, *toX, *toY;
5219 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5221 switch (*moveType) {
5222 case WhitePromotion:
5223 case BlackPromotion:
5224 case WhiteNonPromotion:
5225 case BlackNonPromotion:
5227 case WhiteCapturesEnPassant:
5228 case BlackCapturesEnPassant:
5229 case WhiteKingSideCastle:
5230 case WhiteQueenSideCastle:
5231 case BlackKingSideCastle:
5232 case BlackQueenSideCastle:
5233 case WhiteKingSideCastleWild:
5234 case WhiteQueenSideCastleWild:
5235 case BlackKingSideCastleWild:
5236 case BlackQueenSideCastleWild:
5237 /* Code added by Tord: */
5238 case WhiteHSideCastleFR:
5239 case WhiteASideCastleFR:
5240 case BlackHSideCastleFR:
5241 case BlackASideCastleFR:
5242 /* End of code added by Tord */
5243 case IllegalMove: /* bug or odd chess variant */
5244 *fromX = currentMoveString[0] - AAA;
5245 *fromY = currentMoveString[1] - ONE;
5246 *toX = currentMoveString[2] - AAA;
5247 *toY = currentMoveString[3] - ONE;
5248 *promoChar = currentMoveString[4];
5249 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5250 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5251 if (appData.debugMode) {
5252 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5254 *fromX = *fromY = *toX = *toY = 0;
5257 if (appData.testLegality) {
5258 return (*moveType != IllegalMove);
5260 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5261 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5266 *fromX = *moveType == WhiteDrop ?
5267 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5268 (int) CharToPiece(ToLower(currentMoveString[0]));
5270 *toX = currentMoveString[2] - AAA;
5271 *toY = currentMoveString[3] - ONE;
5272 *promoChar = NULLCHAR;
5276 case ImpossibleMove:
5286 if (appData.debugMode) {
5287 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5290 *fromX = *fromY = *toX = *toY = 0;
5291 *promoChar = NULLCHAR;
5296 Boolean pushed = FALSE;
5297 char *lastParseAttempt;
5300 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5301 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5302 int fromX, fromY, toX, toY; char promoChar;
5307 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5308 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5311 endPV = forwardMostMove;
5313 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5314 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5315 lastParseAttempt = pv;
5316 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5317 if(appData.debugMode){
5318 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5320 if(!valid && nr == 0 &&
5321 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5322 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5323 // Hande case where played move is different from leading PV move
5324 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5325 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5326 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5327 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5328 endPV += 2; // if position different, keep this
5329 moveList[endPV-1][0] = fromX + AAA;
5330 moveList[endPV-1][1] = fromY + ONE;
5331 moveList[endPV-1][2] = toX + AAA;
5332 moveList[endPV-1][3] = toY + ONE;
5333 parseList[endPV-1][0] = NULLCHAR;
5334 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5337 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5338 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5339 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5340 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5341 valid++; // allow comments in PV
5345 if(endPV+1 > framePtr) break; // no space, truncate
5348 CopyBoard(boards[endPV], boards[endPV-1]);
5349 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5350 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5351 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5352 CoordsToAlgebraic(boards[endPV - 1],
5353 PosFlags(endPV - 1),
5354 fromY, fromX, toY, toX, promoChar,
5355 parseList[endPV - 1]);
5357 if(atEnd == 2) return; // used hidden, for PV conversion
5358 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5359 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5360 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5361 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5362 DrawPosition(TRUE, boards[currentMove]);
5366 MultiPV(ChessProgramState *cps)
5367 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5369 for(i=0; i<cps->nrOptions; i++)
5370 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5376 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5378 int startPV, multi, lineStart, origIndex = index;
5379 char *p, buf2[MSG_SIZ];
5381 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5382 lastX = x; lastY = y;
5383 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5384 lineStart = startPV = index;
5385 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5386 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5388 do{ while(buf[index] && buf[index] != '\n') index++;
5389 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5391 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5392 int n = first.option[multi].value;
5393 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5394 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5395 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5396 first.option[multi].value = n;
5400 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5401 *start = startPV; *end = index-1;
5408 static char buf[10*MSG_SIZ];
5409 int i, k=0, savedEnd=endPV;
5411 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5412 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5413 for(i = forwardMostMove; i<endPV; i++){
5414 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5415 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5418 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5419 if(forwardMostMove < savedEnd) PopInner(0);
5425 LoadPV(int x, int y)
5426 { // called on right mouse click to load PV
5427 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5428 lastX = x; lastY = y;
5429 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5436 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5437 if(endPV < 0) return;
5439 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5440 Boolean saveAnimate = appData.animate;
5442 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5443 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5444 } else storedGames--; // abandon shelved tail of original game
5447 forwardMostMove = currentMove;
5448 currentMove = oldFMM;
5449 appData.animate = FALSE;
5450 ToNrEvent(forwardMostMove);
5451 appData.animate = saveAnimate;
5453 currentMove = forwardMostMove;
5454 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5455 ClearPremoveHighlights();
5456 DrawPosition(TRUE, boards[currentMove]);
5460 MovePV(int x, int y, int h)
5461 { // step through PV based on mouse coordinates (called on mouse move)
5462 int margin = h>>3, step = 0;
5464 // we must somehow check if right button is still down (might be released off board!)
5465 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5466 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5467 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5469 lastX = x; lastY = y;
5471 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5472 if(endPV < 0) return;
5473 if(y < margin) step = 1; else
5474 if(y > h - margin) step = -1;
5475 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5476 currentMove += step;
5477 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5478 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5479 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5480 DrawPosition(FALSE, boards[currentMove]);
5484 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5485 // All positions will have equal probability, but the current method will not provide a unique
5486 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5492 int piecesLeft[(int)BlackPawn];
5493 int seed, nrOfShuffles;
5495 void GetPositionNumber()
5496 { // sets global variable seed
5499 seed = appData.defaultFrcPosition;
5500 if(seed < 0) { // randomize based on time for negative FRC position numbers
5501 for(i=0; i<50; i++) seed += random();
5502 seed = random() ^ random() >> 8 ^ random() << 8;
5503 if(seed<0) seed = -seed;
5507 int put(Board board, int pieceType, int rank, int n, int shade)
5508 // put the piece on the (n-1)-th empty squares of the given shade
5512 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5513 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5514 board[rank][i] = (ChessSquare) pieceType;
5515 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5517 piecesLeft[pieceType]--;
5525 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5526 // calculate where the next piece goes, (any empty square), and put it there
5530 i = seed % squaresLeft[shade];
5531 nrOfShuffles *= squaresLeft[shade];
5532 seed /= squaresLeft[shade];
5533 put(board, pieceType, rank, i, shade);
5536 void AddTwoPieces(Board board, int pieceType, int rank)
5537 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5539 int i, n=squaresLeft[ANY], j=n-1, k;
5541 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5542 i = seed % k; // pick one
5545 while(i >= j) i -= j--;
5546 j = n - 1 - j; i += j;
5547 put(board, pieceType, rank, j, ANY);
5548 put(board, pieceType, rank, i, ANY);
5551 void SetUpShuffle(Board board, int number)
5555 GetPositionNumber(); nrOfShuffles = 1;
5557 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5558 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5559 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5561 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5563 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5564 p = (int) board[0][i];
5565 if(p < (int) BlackPawn) piecesLeft[p] ++;
5566 board[0][i] = EmptySquare;
5569 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5570 // shuffles restricted to allow normal castling put KRR first
5571 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5572 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5573 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5574 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5575 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5576 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5577 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5578 put(board, WhiteRook, 0, 0, ANY);
5579 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5582 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5583 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5584 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5585 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5586 while(piecesLeft[p] >= 2) {
5587 AddOnePiece(board, p, 0, LITE);
5588 AddOnePiece(board, p, 0, DARK);
5590 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5593 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5594 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5595 // but we leave King and Rooks for last, to possibly obey FRC restriction
5596 if(p == (int)WhiteRook) continue;
5597 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5598 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5601 // now everything is placed, except perhaps King (Unicorn) and Rooks
5603 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5604 // Last King gets castling rights
5605 while(piecesLeft[(int)WhiteUnicorn]) {
5606 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5607 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5610 while(piecesLeft[(int)WhiteKing]) {
5611 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5612 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5617 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5618 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5621 // Only Rooks can be left; simply place them all
5622 while(piecesLeft[(int)WhiteRook]) {
5623 i = put(board, WhiteRook, 0, 0, ANY);
5624 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5627 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5629 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5632 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5633 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5636 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5639 int SetCharTable( char *table, const char * map )
5640 /* [HGM] moved here from winboard.c because of its general usefulness */
5641 /* Basically a safe strcpy that uses the last character as King */
5643 int result = FALSE; int NrPieces;
5645 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5646 && NrPieces >= 12 && !(NrPieces&1)) {
5647 int i; /* [HGM] Accept even length from 12 to 34 */
5649 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5650 for( i=0; i<NrPieces/2-1; i++ ) {
5652 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5654 table[(int) WhiteKing] = map[NrPieces/2-1];
5655 table[(int) BlackKing] = map[NrPieces-1];
5663 void Prelude(Board board)
5664 { // [HGM] superchess: random selection of exo-pieces
5665 int i, j, k; ChessSquare p;
5666 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5668 GetPositionNumber(); // use FRC position number
5670 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5671 SetCharTable(pieceToChar, appData.pieceToCharTable);
5672 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5673 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5676 j = seed%4; seed /= 4;
5677 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5678 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5679 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5680 j = seed%3 + (seed%3 >= j); seed /= 3;
5681 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5682 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5683 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5684 j = seed%3; seed /= 3;
5685 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5686 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5687 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5688 j = seed%2 + (seed%2 >= j); seed /= 2;
5689 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5690 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5691 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5692 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5693 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5694 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5695 put(board, exoPieces[0], 0, 0, ANY);
5696 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5700 InitPosition(redraw)
5703 ChessSquare (* pieces)[BOARD_FILES];
5704 int i, j, pawnRow, overrule,
5705 oldx = gameInfo.boardWidth,
5706 oldy = gameInfo.boardHeight,
5707 oldh = gameInfo.holdingsWidth;
5710 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5712 /* [AS] Initialize pv info list [HGM] and game status */
5714 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5715 pvInfoList[i].depth = 0;
5716 boards[i][EP_STATUS] = EP_NONE;
5717 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5720 initialRulePlies = 0; /* 50-move counter start */
5722 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5723 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5727 /* [HGM] logic here is completely changed. In stead of full positions */
5728 /* the initialized data only consist of the two backranks. The switch */
5729 /* selects which one we will use, which is than copied to the Board */
5730 /* initialPosition, which for the rest is initialized by Pawns and */
5731 /* empty squares. This initial position is then copied to boards[0], */
5732 /* possibly after shuffling, so that it remains available. */
5734 gameInfo.holdingsWidth = 0; /* default board sizes */
5735 gameInfo.boardWidth = 8;
5736 gameInfo.boardHeight = 8;
5737 gameInfo.holdingsSize = 0;
5738 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5739 for(i=0; i<BOARD_FILES-2; i++)
5740 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5741 initialPosition[EP_STATUS] = EP_NONE;
5742 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5743 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5744 SetCharTable(pieceNickName, appData.pieceNickNames);
5745 else SetCharTable(pieceNickName, "............");
5748 switch (gameInfo.variant) {
5749 case VariantFischeRandom:
5750 shuffleOpenings = TRUE;
5753 case VariantShatranj:
5754 pieces = ShatranjArray;
5755 nrCastlingRights = 0;
5756 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5759 pieces = makrukArray;
5760 nrCastlingRights = 0;
5761 startedFromSetupPosition = TRUE;
5762 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5764 case VariantTwoKings:
5765 pieces = twoKingsArray;
5768 pieces = GrandArray;
5769 nrCastlingRights = 0;
5770 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5771 gameInfo.boardWidth = 10;
5772 gameInfo.boardHeight = 10;
5773 gameInfo.holdingsSize = 7;
5775 case VariantCapaRandom:
5776 shuffleOpenings = TRUE;
5777 case VariantCapablanca:
5778 pieces = CapablancaArray;
5779 gameInfo.boardWidth = 10;
5780 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5783 pieces = GothicArray;
5784 gameInfo.boardWidth = 10;
5785 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5788 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5789 gameInfo.holdingsSize = 7;
5792 pieces = JanusArray;
5793 gameInfo.boardWidth = 10;
5794 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5795 nrCastlingRights = 6;
5796 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5797 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5798 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5799 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5800 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5801 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5804 pieces = FalconArray;
5805 gameInfo.boardWidth = 10;
5806 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5808 case VariantXiangqi:
5809 pieces = XiangqiArray;
5810 gameInfo.boardWidth = 9;
5811 gameInfo.boardHeight = 10;
5812 nrCastlingRights = 0;
5813 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5816 pieces = ShogiArray;
5817 gameInfo.boardWidth = 9;
5818 gameInfo.boardHeight = 9;
5819 gameInfo.holdingsSize = 7;
5820 nrCastlingRights = 0;
5821 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5823 case VariantCourier:
5824 pieces = CourierArray;
5825 gameInfo.boardWidth = 12;
5826 nrCastlingRights = 0;
5827 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5829 case VariantKnightmate:
5830 pieces = KnightmateArray;
5831 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5833 case VariantSpartan:
5834 pieces = SpartanArray;
5835 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5838 pieces = fairyArray;
5839 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5842 pieces = GreatArray;
5843 gameInfo.boardWidth = 10;
5844 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5845 gameInfo.holdingsSize = 8;
5849 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5850 gameInfo.holdingsSize = 8;
5851 startedFromSetupPosition = TRUE;
5853 case VariantCrazyhouse:
5854 case VariantBughouse:
5856 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5857 gameInfo.holdingsSize = 5;
5859 case VariantWildCastle:
5861 /* !!?shuffle with kings guaranteed to be on d or e file */
5862 shuffleOpenings = 1;
5864 case VariantNoCastle:
5866 nrCastlingRights = 0;
5867 /* !!?unconstrained back-rank shuffle */
5868 shuffleOpenings = 1;
5873 if(appData.NrFiles >= 0) {
5874 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5875 gameInfo.boardWidth = appData.NrFiles;
5877 if(appData.NrRanks >= 0) {
5878 gameInfo.boardHeight = appData.NrRanks;
5880 if(appData.holdingsSize >= 0) {
5881 i = appData.holdingsSize;
5882 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5883 gameInfo.holdingsSize = i;
5885 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5886 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5887 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5889 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5890 if(pawnRow < 1) pawnRow = 1;
5891 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5893 /* User pieceToChar list overrules defaults */
5894 if(appData.pieceToCharTable != NULL)
5895 SetCharTable(pieceToChar, appData.pieceToCharTable);
5897 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5899 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5900 s = (ChessSquare) 0; /* account holding counts in guard band */
5901 for( i=0; i<BOARD_HEIGHT; i++ )
5902 initialPosition[i][j] = s;
5904 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5905 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5906 initialPosition[pawnRow][j] = WhitePawn;
5907 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5908 if(gameInfo.variant == VariantXiangqi) {
5910 initialPosition[pawnRow][j] =
5911 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5912 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5913 initialPosition[2][j] = WhiteCannon;
5914 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5918 if(gameInfo.variant == VariantGrand) {
5919 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5920 initialPosition[0][j] = WhiteRook;
5921 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5924 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5926 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5929 initialPosition[1][j] = WhiteBishop;
5930 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5932 initialPosition[1][j] = WhiteRook;
5933 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5936 if( nrCastlingRights == -1) {
5937 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5938 /* This sets default castling rights from none to normal corners */
5939 /* Variants with other castling rights must set them themselves above */
5940 nrCastlingRights = 6;
5942 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5943 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5944 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5945 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5946 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5947 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5950 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5951 if(gameInfo.variant == VariantGreat) { // promotion commoners
5952 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5953 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5954 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5955 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5957 if( gameInfo.variant == VariantSChess ) {
5958 initialPosition[1][0] = BlackMarshall;
5959 initialPosition[2][0] = BlackAngel;
5960 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5961 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5962 initialPosition[1][1] = initialPosition[2][1] =
5963 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5965 if (appData.debugMode) {
5966 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5968 if(shuffleOpenings) {
5969 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5970 startedFromSetupPosition = TRUE;
5972 if(startedFromPositionFile) {
5973 /* [HGM] loadPos: use PositionFile for every new game */
5974 CopyBoard(initialPosition, filePosition);
5975 for(i=0; i<nrCastlingRights; i++)
5976 initialRights[i] = filePosition[CASTLING][i];
5977 startedFromSetupPosition = TRUE;
5980 CopyBoard(boards[0], initialPosition);
5982 if(oldx != gameInfo.boardWidth ||
5983 oldy != gameInfo.boardHeight ||
5984 oldv != gameInfo.variant ||
5985 oldh != gameInfo.holdingsWidth
5987 InitDrawingSizes(-2 ,0);
5989 oldv = gameInfo.variant;
5991 DrawPosition(TRUE, boards[currentMove]);
5995 SendBoard(cps, moveNum)
5996 ChessProgramState *cps;
5999 char message[MSG_SIZ];
6001 if (cps->useSetboard) {
6002 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6003 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6004 SendToProgram(message, cps);
6010 /* Kludge to set black to move, avoiding the troublesome and now
6011 * deprecated "black" command.
6013 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6014 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6016 SendToProgram("edit\n", cps);
6017 SendToProgram("#\n", cps);
6018 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6019 bp = &boards[moveNum][i][BOARD_LEFT];
6020 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6021 if ((int) *bp < (int) BlackPawn) {
6022 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6024 if(message[0] == '+' || message[0] == '~') {
6025 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6026 PieceToChar((ChessSquare)(DEMOTED *bp)),
6029 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6030 message[1] = BOARD_RGHT - 1 - j + '1';
6031 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6033 SendToProgram(message, cps);
6038 SendToProgram("c\n", cps);
6039 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6040 bp = &boards[moveNum][i][BOARD_LEFT];
6041 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6042 if (((int) *bp != (int) EmptySquare)
6043 && ((int) *bp >= (int) BlackPawn)) {
6044 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6046 if(message[0] == '+' || message[0] == '~') {
6047 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6048 PieceToChar((ChessSquare)(DEMOTED *bp)),
6051 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6052 message[1] = BOARD_RGHT - 1 - j + '1';
6053 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6055 SendToProgram(message, cps);
6060 SendToProgram(".\n", cps);
6062 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6066 DefaultPromoChoice(int white)
6069 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6070 result = WhiteFerz; // no choice
6071 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6072 result= WhiteKing; // in Suicide Q is the last thing we want
6073 else if(gameInfo.variant == VariantSpartan)
6074 result = white ? WhiteQueen : WhiteAngel;
6075 else result = WhiteQueen;
6076 if(!white) result = WHITE_TO_BLACK result;
6080 static int autoQueen; // [HGM] oneclick
6083 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
6085 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6086 /* [HGM] add Shogi promotions */
6087 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6092 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6093 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6095 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6096 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6099 piece = boards[currentMove][fromY][fromX];
6100 if(gameInfo.variant == VariantShogi) {
6101 promotionZoneSize = BOARD_HEIGHT/3;
6102 highestPromotingPiece = (int)WhiteFerz;
6103 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6104 promotionZoneSize = 3;
6107 // Treat Lance as Pawn when it is not representing Amazon
6108 if(gameInfo.variant != VariantSuper) {
6109 if(piece == WhiteLance) piece = WhitePawn; else
6110 if(piece == BlackLance) piece = BlackPawn;
6113 // next weed out all moves that do not touch the promotion zone at all
6114 if((int)piece >= BlackPawn) {
6115 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6117 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6119 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6120 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6123 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6125 // weed out mandatory Shogi promotions
6126 if(gameInfo.variant == VariantShogi) {
6127 if(piece >= BlackPawn) {
6128 if(toY == 0 && piece == BlackPawn ||
6129 toY == 0 && piece == BlackQueen ||
6130 toY <= 1 && piece == BlackKnight) {
6135 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6136 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6137 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6144 // weed out obviously illegal Pawn moves
6145 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6146 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6147 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6148 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6149 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6150 // note we are not allowed to test for valid (non-)capture, due to premove
6153 // we either have a choice what to promote to, or (in Shogi) whether to promote
6154 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6155 *promoChoice = PieceToChar(BlackFerz); // no choice
6158 // no sense asking what we must promote to if it is going to explode...
6159 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6160 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6163 // give caller the default choice even if we will not make it
6164 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6165 if(gameInfo.variant == VariantShogi) *promoChoice = '+';
6166 if(appData.sweepSelect && gameInfo.variant != VariantGreat
6167 && gameInfo.variant != VariantShogi
6168 && gameInfo.variant != VariantSuper) return FALSE;
6169 if(autoQueen) return FALSE; // predetermined
6171 // suppress promotion popup on illegal moves that are not premoves
6172 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6173 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6174 if(appData.testLegality && !premove) {
6175 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6176 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6177 if(moveType != WhitePromotion && moveType != BlackPromotion)
6185 InPalace(row, column)
6187 { /* [HGM] for Xiangqi */
6188 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6189 column < (BOARD_WIDTH + 4)/2 &&
6190 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6195 PieceForSquare (x, y)
6199 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6202 return boards[currentMove][y][x];
6206 OKToStartUserMove(x, y)
6209 ChessSquare from_piece;
6212 if (matchMode) return FALSE;
6213 if (gameMode == EditPosition) return TRUE;
6215 if (x >= 0 && y >= 0)
6216 from_piece = boards[currentMove][y][x];
6218 from_piece = EmptySquare;
6220 if (from_piece == EmptySquare) return FALSE;
6222 white_piece = (int)from_piece >= (int)WhitePawn &&
6223 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6226 case PlayFromGameFile:
6228 case TwoMachinesPlay:
6236 case MachinePlaysWhite:
6237 case IcsPlayingBlack:
6238 if (appData.zippyPlay) return FALSE;
6240 DisplayMoveError(_("You are playing Black"));
6245 case MachinePlaysBlack:
6246 case IcsPlayingWhite:
6247 if (appData.zippyPlay) return FALSE;
6249 DisplayMoveError(_("You are playing White"));
6255 if (!white_piece && WhiteOnMove(currentMove)) {
6256 DisplayMoveError(_("It is White's turn"));
6259 if (white_piece && !WhiteOnMove(currentMove)) {
6260 DisplayMoveError(_("It is Black's turn"));
6263 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6264 /* Editing correspondence game history */
6265 /* Could disallow this or prompt for confirmation */
6270 case BeginningOfGame:
6271 if (appData.icsActive) return FALSE;
6272 if (!appData.noChessProgram) {
6274 DisplayMoveError(_("You are playing White"));
6281 if (!white_piece && WhiteOnMove(currentMove)) {
6282 DisplayMoveError(_("It is White's turn"));
6285 if (white_piece && !WhiteOnMove(currentMove)) {
6286 DisplayMoveError(_("It is Black's turn"));
6295 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6296 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6297 && gameMode != AnalyzeFile && gameMode != Training) {
6298 DisplayMoveError(_("Displayed position is not current"));
6305 OnlyMove(int *x, int *y, Boolean captures) {
6306 DisambiguateClosure cl;
6307 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6309 case MachinePlaysBlack:
6310 case IcsPlayingWhite:
6311 case BeginningOfGame:
6312 if(!WhiteOnMove(currentMove)) return FALSE;
6314 case MachinePlaysWhite:
6315 case IcsPlayingBlack:
6316 if(WhiteOnMove(currentMove)) return FALSE;
6323 cl.pieceIn = EmptySquare;
6328 cl.promoCharIn = NULLCHAR;
6329 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6330 if( cl.kind == NormalMove ||
6331 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6332 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6333 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6340 if(cl.kind != ImpossibleMove) return FALSE;
6341 cl.pieceIn = EmptySquare;
6346 cl.promoCharIn = NULLCHAR;
6347 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6348 if( cl.kind == NormalMove ||
6349 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6350 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6351 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6356 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6362 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6363 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6364 int lastLoadGameUseList = FALSE;
6365 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6366 ChessMove lastLoadGameStart = EndOfFile;
6369 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6370 int fromX, fromY, toX, toY;
6374 ChessSquare pdown, pup;
6376 /* Check if the user is playing in turn. This is complicated because we
6377 let the user "pick up" a piece before it is his turn. So the piece he
6378 tried to pick up may have been captured by the time he puts it down!
6379 Therefore we use the color the user is supposed to be playing in this
6380 test, not the color of the piece that is currently on the starting
6381 square---except in EditGame mode, where the user is playing both
6382 sides; fortunately there the capture race can't happen. (It can
6383 now happen in IcsExamining mode, but that's just too bad. The user
6384 will get a somewhat confusing message in that case.)
6388 case PlayFromGameFile:
6390 case TwoMachinesPlay:
6394 /* We switched into a game mode where moves are not accepted,
6395 perhaps while the mouse button was down. */
6398 case MachinePlaysWhite:
6399 /* User is moving for Black */
6400 if (WhiteOnMove(currentMove)) {
6401 DisplayMoveError(_("It is White's turn"));
6406 case MachinePlaysBlack:
6407 /* User is moving for White */
6408 if (!WhiteOnMove(currentMove)) {
6409 DisplayMoveError(_("It is Black's turn"));
6416 case BeginningOfGame:
6419 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6420 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6421 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6422 /* User is moving for Black */
6423 if (WhiteOnMove(currentMove)) {
6424 DisplayMoveError(_("It is White's turn"));
6428 /* User is moving for White */
6429 if (!WhiteOnMove(currentMove)) {
6430 DisplayMoveError(_("It is Black's turn"));
6436 case IcsPlayingBlack:
6437 /* User is moving for Black */
6438 if (WhiteOnMove(currentMove)) {
6439 if (!appData.premove) {
6440 DisplayMoveError(_("It is White's turn"));
6441 } else if (toX >= 0 && toY >= 0) {
6444 premoveFromX = fromX;
6445 premoveFromY = fromY;
6446 premovePromoChar = promoChar;
6448 if (appData.debugMode)
6449 fprintf(debugFP, "Got premove: fromX %d,"
6450 "fromY %d, toX %d, toY %d\n",
6451 fromX, fromY, toX, toY);
6457 case IcsPlayingWhite:
6458 /* User is moving for White */
6459 if (!WhiteOnMove(currentMove)) {
6460 if (!appData.premove) {
6461 DisplayMoveError(_("It is Black's turn"));
6462 } else if (toX >= 0 && toY >= 0) {
6465 premoveFromX = fromX;
6466 premoveFromY = fromY;
6467 premovePromoChar = promoChar;
6469 if (appData.debugMode)
6470 fprintf(debugFP, "Got premove: fromX %d,"
6471 "fromY %d, toX %d, toY %d\n",
6472 fromX, fromY, toX, toY);
6482 /* EditPosition, empty square, or different color piece;
6483 click-click move is possible */
6484 if (toX == -2 || toY == -2) {
6485 boards[0][fromY][fromX] = EmptySquare;
6486 DrawPosition(FALSE, boards[currentMove]);
6488 } else if (toX >= 0 && toY >= 0) {
6489 boards[0][toY][toX] = boards[0][fromY][fromX];
6490 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6491 if(boards[0][fromY][0] != EmptySquare) {
6492 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6493 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6496 if(fromX == BOARD_RGHT+1) {
6497 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6498 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6499 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6502 boards[0][fromY][fromX] = EmptySquare;
6503 DrawPosition(FALSE, boards[currentMove]);
6509 if(toX < 0 || toY < 0) return;
6510 pdown = boards[currentMove][fromY][fromX];
6511 pup = boards[currentMove][toY][toX];
6513 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6514 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6515 if( pup != EmptySquare ) return;
6516 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6517 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6518 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6519 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6520 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6521 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6522 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6526 /* [HGM] always test for legality, to get promotion info */
6527 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6528 fromY, fromX, toY, toX, promoChar);
6529 /* [HGM] but possibly ignore an IllegalMove result */
6530 if (appData.testLegality) {
6531 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6532 DisplayMoveError(_("Illegal move"));
6537 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6540 /* Common tail of UserMoveEvent and DropMenuEvent */
6542 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6544 int fromX, fromY, toX, toY;
6545 /*char*/int promoChar;
6549 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6550 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6551 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6552 if(WhiteOnMove(currentMove)) {
6553 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6555 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6559 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6560 move type in caller when we know the move is a legal promotion */
6561 if(moveType == NormalMove && promoChar)
6562 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6564 /* [HGM] <popupFix> The following if has been moved here from
6565 UserMoveEvent(). Because it seemed to belong here (why not allow
6566 piece drops in training games?), and because it can only be
6567 performed after it is known to what we promote. */
6568 if (gameMode == Training) {
6569 /* compare the move played on the board to the next move in the
6570 * game. If they match, display the move and the opponent's response.
6571 * If they don't match, display an error message.
6575 CopyBoard(testBoard, boards[currentMove]);
6576 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6578 if (CompareBoards(testBoard, boards[currentMove+1])) {
6579 ForwardInner(currentMove+1);
6581 /* Autoplay the opponent's response.
6582 * if appData.animate was TRUE when Training mode was entered,
6583 * the response will be animated.
6585 saveAnimate = appData.animate;
6586 appData.animate = animateTraining;
6587 ForwardInner(currentMove+1);
6588 appData.animate = saveAnimate;
6590 /* check for the end of the game */
6591 if (currentMove >= forwardMostMove) {
6592 gameMode = PlayFromGameFile;
6594 SetTrainingModeOff();
6595 DisplayInformation(_("End of game"));
6598 DisplayError(_("Incorrect move"), 0);
6603 /* Ok, now we know that the move is good, so we can kill
6604 the previous line in Analysis Mode */
6605 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6606 && currentMove < forwardMostMove) {
6607 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6608 else forwardMostMove = currentMove;
6611 /* If we need the chess program but it's dead, restart it */
6612 ResurrectChessProgram();
6614 /* A user move restarts a paused game*/
6618 thinkOutput[0] = NULLCHAR;
6620 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6622 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6623 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6627 if (gameMode == BeginningOfGame) {
6628 if (appData.noChessProgram) {
6629 gameMode = EditGame;
6633 gameMode = MachinePlaysBlack;
6636 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6638 if (first.sendName) {
6639 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6640 SendToProgram(buf, &first);
6647 /* Relay move to ICS or chess engine */
6648 if (appData.icsActive) {
6649 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6650 gameMode == IcsExamining) {
6651 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6652 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6654 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6656 // also send plain move, in case ICS does not understand atomic claims
6657 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6661 if (first.sendTime && (gameMode == BeginningOfGame ||
6662 gameMode == MachinePlaysWhite ||
6663 gameMode == MachinePlaysBlack)) {
6664 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6666 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6667 // [HGM] book: if program might be playing, let it use book
6668 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6669 first.maybeThinking = TRUE;
6670 } else SendMoveToProgram(forwardMostMove-1, &first);
6671 if (currentMove == cmailOldMove + 1) {
6672 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6676 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6680 if(appData.testLegality)
6681 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6687 if (WhiteOnMove(currentMove)) {
6688 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6690 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6694 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6699 case MachinePlaysBlack:
6700 case MachinePlaysWhite:
6701 /* disable certain menu options while machine is thinking */
6702 SetMachineThinkingEnables();
6709 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6710 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6712 if(bookHit) { // [HGM] book: simulate book reply
6713 static char bookMove[MSG_SIZ]; // a bit generous?
6715 programStats.nodes = programStats.depth = programStats.time =
6716 programStats.score = programStats.got_only_move = 0;
6717 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6719 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6720 strcat(bookMove, bookHit);
6721 HandleMachineMove(bookMove, &first);
6727 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6734 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6735 Markers *m = (Markers *) closure;
6736 if(rf == fromY && ff == fromX)
6737 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6738 || kind == WhiteCapturesEnPassant
6739 || kind == BlackCapturesEnPassant);
6740 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6744 MarkTargetSquares(int clear)
6747 if(!appData.markers || !appData.highlightDragging ||
6748 !appData.testLegality || gameMode == EditPosition) return;
6750 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6753 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6754 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6755 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6757 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6760 DrawPosition(TRUE, NULL);
6764 Explode(Board board, int fromX, int fromY, int toX, int toY)
6766 if(gameInfo.variant == VariantAtomic &&
6767 (board[toY][toX] != EmptySquare || // capture?
6768 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6769 board[fromY][fromX] == BlackPawn )
6771 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6777 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6779 int CanPromote(ChessSquare piece, int y)
6781 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6782 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6783 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6784 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6785 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6786 gameInfo.variant == VariantMakruk) return FALSE;
6787 return (piece == BlackPawn && y == 1 ||
6788 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6789 piece == BlackLance && y == 1 ||
6790 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6793 void LeftClick(ClickType clickType, int xPix, int yPix)
6796 Boolean saveAnimate;
6797 static int second = 0, promotionChoice = 0, clearFlag = 0;
6798 char promoChoice = NULLCHAR;
6801 if(appData.seekGraph && appData.icsActive && loggedOn &&
6802 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6803 SeekGraphClick(clickType, xPix, yPix, 0);
6807 if (clickType == Press) ErrorPopDown();
6809 x = EventToSquare(xPix, BOARD_WIDTH);
6810 y = EventToSquare(yPix, BOARD_HEIGHT);
6811 if (!flipView && y >= 0) {
6812 y = BOARD_HEIGHT - 1 - y;
6814 if (flipView && x >= 0) {
6815 x = BOARD_WIDTH - 1 - x;
6818 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6819 defaultPromoChoice = promoSweep;
6820 promoSweep = EmptySquare; // terminate sweep
6821 promoDefaultAltered = TRUE;
6822 if(!selectFlag) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6825 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6826 if(clickType == Release) return; // ignore upclick of click-click destination
6827 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6828 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6829 if(gameInfo.holdingsWidth &&
6830 (WhiteOnMove(currentMove)
6831 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6832 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6833 // click in right holdings, for determining promotion piece
6834 ChessSquare p = boards[currentMove][y][x];
6835 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6836 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6837 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6838 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6843 DrawPosition(FALSE, boards[currentMove]);
6847 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6848 if(clickType == Press
6849 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6850 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6851 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6854 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6855 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6857 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6858 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6859 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6860 defaultPromoChoice = DefaultPromoChoice(side);
6863 autoQueen = appData.alwaysPromoteToQueen;
6867 gatingPiece = EmptySquare;
6868 if (clickType != Press) {
6869 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6870 DragPieceEnd(xPix, yPix); dragging = 0;
6871 DrawPosition(FALSE, NULL);
6875 fromX = x; fromY = y;
6876 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6877 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6878 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6880 if (OKToStartUserMove(fromX, fromY)) {
6882 MarkTargetSquares(0);
6883 DragPieceBegin(xPix, yPix); dragging = 1;
6884 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6885 promoSweep = defaultPromoChoice;
6886 selectFlag = 0; lastX = xPix; lastY = yPix;
6887 Sweep(0); // Pawn that is going to promote: preview promotion piece
6888 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6890 if (appData.highlightDragging) {
6891 SetHighlights(fromX, fromY, -1, -1);
6893 } else fromX = fromY = -1;
6899 if (clickType == Press && gameMode != EditPosition) {
6904 // ignore off-board to clicks
6905 if(y < 0 || x < 0) return;
6907 /* Check if clicking again on the same color piece */
6908 fromP = boards[currentMove][fromY][fromX];
6909 toP = boards[currentMove][y][x];
6910 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6911 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6912 WhitePawn <= toP && toP <= WhiteKing &&
6913 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6914 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6915 (BlackPawn <= fromP && fromP <= BlackKing &&
6916 BlackPawn <= toP && toP <= BlackKing &&
6917 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6918 !(fromP == BlackKing && toP == BlackRook && frc))) {
6919 /* Clicked again on same color piece -- changed his mind */
6920 second = (x == fromX && y == fromY);
6921 promoDefaultAltered = FALSE;
6922 MarkTargetSquares(1);
6923 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6924 if (appData.highlightDragging) {
6925 SetHighlights(x, y, -1, -1);
6929 if (OKToStartUserMove(x, y)) {
6930 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6931 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6932 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6933 gatingPiece = boards[currentMove][fromY][fromX];
6934 else gatingPiece = EmptySquare;
6936 fromY = y; dragging = 1;
6937 MarkTargetSquares(0);
6938 DragPieceBegin(xPix, yPix);
6939 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6940 promoSweep = defaultPromoChoice;
6941 selectFlag = 0; lastX = xPix; lastY = yPix;
6942 Sweep(0); // Pawn that is going to promote: preview promotion piece
6946 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6949 // ignore clicks on holdings
6950 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6953 if (clickType == Release && x == fromX && y == fromY) {
6954 DragPieceEnd(xPix, yPix); dragging = 0;
6956 // a deferred attempt to click-click move an empty square on top of a piece
6957 boards[currentMove][y][x] = EmptySquare;
6959 DrawPosition(FALSE, boards[currentMove]);
6960 fromX = fromY = -1; clearFlag = 0;
6963 if (appData.animateDragging) {
6964 /* Undo animation damage if any */
6965 DrawPosition(FALSE, NULL);
6968 /* Second up/down in same square; just abort move */
6971 gatingPiece = EmptySquare;
6974 ClearPremoveHighlights();
6976 /* First upclick in same square; start click-click mode */
6977 SetHighlights(x, y, -1, -1);
6984 /* we now have a different from- and (possibly off-board) to-square */
6985 /* Completed move */
6988 saveAnimate = appData.animate;
6989 MarkTargetSquares(1);
6990 if (clickType == Press) {
6991 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
6992 // must be Edit Position mode with empty-square selected
6993 fromX = x; fromY = y; DragPieceBegin(xPix, yPix); dragging = 1; // consider this a new attempt to drag
6994 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
6997 /* Finish clickclick move */
6998 if (appData.animate || appData.highlightLastMove) {
6999 SetHighlights(fromX, fromY, toX, toY);
7004 /* Finish drag move */
7005 if (appData.highlightLastMove) {
7006 SetHighlights(fromX, fromY, toX, toY);
7010 DragPieceEnd(xPix, yPix); dragging = 0;
7011 /* Don't animate move and drag both */
7012 appData.animate = FALSE;
7015 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7016 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7017 ChessSquare piece = boards[currentMove][fromY][fromX];
7018 if(gameMode == EditPosition && piece != EmptySquare &&
7019 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7022 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7023 n = PieceToNumber(piece - (int)BlackPawn);
7024 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7025 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7026 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7028 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7029 n = PieceToNumber(piece);
7030 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7031 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7032 boards[currentMove][n][BOARD_WIDTH-2]++;
7034 boards[currentMove][fromY][fromX] = EmptySquare;
7038 DrawPosition(TRUE, boards[currentMove]);
7042 // off-board moves should not be highlighted
7043 if(x < 0 || y < 0) ClearHighlights();
7045 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7047 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
7048 SetHighlights(fromX, fromY, toX, toY);
7049 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7050 // [HGM] super: promotion to captured piece selected from holdings
7051 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7052 promotionChoice = TRUE;
7053 // kludge follows to temporarily execute move on display, without promoting yet
7054 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7055 boards[currentMove][toY][toX] = p;
7056 DrawPosition(FALSE, boards[currentMove]);
7057 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7058 boards[currentMove][toY][toX] = q;
7059 DisplayMessage("Click in holdings to choose piece", "");
7064 int oldMove = currentMove;
7065 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7066 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7067 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7068 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7069 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7070 DrawPosition(TRUE, boards[currentMove]);
7073 appData.animate = saveAnimate;
7074 if (appData.animate || appData.animateDragging) {
7075 /* Undo animation damage if needed */
7076 DrawPosition(FALSE, NULL);
7080 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7081 { // front-end-free part taken out of PieceMenuPopup
7082 int whichMenu; int xSqr, ySqr;
7084 if(seekGraphUp) { // [HGM] seekgraph
7085 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7086 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7090 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7091 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7092 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7093 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7094 if(action == Press) {
7095 originalFlip = flipView;
7096 flipView = !flipView; // temporarily flip board to see game from partners perspective
7097 DrawPosition(TRUE, partnerBoard);
7098 DisplayMessage(partnerStatus, "");
7100 } else if(action == Release) {
7101 flipView = originalFlip;
7102 DrawPosition(TRUE, boards[currentMove]);
7108 xSqr = EventToSquare(x, BOARD_WIDTH);
7109 ySqr = EventToSquare(y, BOARD_HEIGHT);
7110 if (action == Release) {
7111 if(pieceSweep != EmptySquare) {
7112 EditPositionMenuEvent(pieceSweep, toX, toY);
7113 pieceSweep = EmptySquare;
7114 } else UnLoadPV(); // [HGM] pv
7116 if (action != Press) return -2; // return code to be ignored
7119 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7121 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7122 if (xSqr < 0 || ySqr < 0) return -1;
7123 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7124 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7125 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7126 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7130 if(!appData.icsEngineAnalyze) return -1;
7131 case IcsPlayingWhite:
7132 case IcsPlayingBlack:
7133 if(!appData.zippyPlay) goto noZip;
7136 case MachinePlaysWhite:
7137 case MachinePlaysBlack:
7138 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7139 if (!appData.dropMenu) {
7141 return 2; // flag front-end to grab mouse events
7143 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7144 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7147 if (xSqr < 0 || ySqr < 0) return -1;
7148 if (!appData.dropMenu || appData.testLegality &&
7149 gameInfo.variant != VariantBughouse &&
7150 gameInfo.variant != VariantCrazyhouse) return -1;
7151 whichMenu = 1; // drop menu
7157 if (((*fromX = xSqr) < 0) ||
7158 ((*fromY = ySqr) < 0)) {
7159 *fromX = *fromY = -1;
7163 *fromX = BOARD_WIDTH - 1 - *fromX;
7165 *fromY = BOARD_HEIGHT - 1 - *fromY;
7170 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7172 // char * hint = lastHint;
7173 FrontEndProgramStats stats;
7175 stats.which = cps == &first ? 0 : 1;
7176 stats.depth = cpstats->depth;
7177 stats.nodes = cpstats->nodes;
7178 stats.score = cpstats->score;
7179 stats.time = cpstats->time;
7180 stats.pv = cpstats->movelist;
7181 stats.hint = lastHint;
7182 stats.an_move_index = 0;
7183 stats.an_move_count = 0;
7185 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7186 stats.hint = cpstats->move_name;
7187 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7188 stats.an_move_count = cpstats->nr_moves;
7191 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
7193 SetProgramStats( &stats );
7197 ClearEngineOutputPane(int which)
7199 static FrontEndProgramStats dummyStats;
7200 dummyStats.which = which;
7201 dummyStats.pv = "#";
7202 SetProgramStats( &dummyStats );
7205 #define MAXPLAYERS 500
7208 TourneyStandings(int display)
7210 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7211 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7212 char result, *p, *names[MAXPLAYERS];
7214 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7215 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7216 names[0] = p = strdup(appData.participants);
7217 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7219 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7221 while(result = appData.results[nr]) {
7222 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7223 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7224 wScore = bScore = 0;
7226 case '+': wScore = 2; break;
7227 case '-': bScore = 2; break;
7228 case '=': wScore = bScore = 1; break;
7230 case '*': return strdup("busy"); // tourney not finished
7238 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7239 for(w=0; w<nPlayers; w++) {
7241 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7242 ranking[w] = b; points[w] = bScore; score[b] = -2;
7244 p = malloc(nPlayers*34+1);
7245 for(w=0; w<nPlayers && w<display; w++)
7246 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7252 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7253 { // count all piece types
7255 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7256 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7257 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7260 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7261 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7262 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7263 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7264 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7265 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7270 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7272 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7273 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7275 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7276 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7277 if(myPawns == 2 && nMine == 3) // KPP
7278 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7279 if(myPawns == 1 && nMine == 2) // KP
7280 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7281 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7282 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7283 if(myPawns) return FALSE;
7284 if(pCnt[WhiteRook+side])
7285 return pCnt[BlackRook-side] ||
7286 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7287 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7288 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7289 if(pCnt[WhiteCannon+side]) {
7290 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7291 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7293 if(pCnt[WhiteKnight+side])
7294 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7299 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7301 VariantClass v = gameInfo.variant;
7303 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7304 if(v == VariantShatranj) return TRUE; // always winnable through baring
7305 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7306 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7308 if(v == VariantXiangqi) {
7309 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7311 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7312 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7313 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7314 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7315 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7316 if(stale) // we have at least one last-rank P plus perhaps C
7317 return majors // KPKX
7318 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7320 return pCnt[WhiteFerz+side] // KCAK
7321 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7322 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7323 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7325 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7326 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7328 if(nMine == 1) return FALSE; // bare King
7329 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
7330 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7331 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7332 // by now we have King + 1 piece (or multiple Bishops on the same color)
7333 if(pCnt[WhiteKnight+side])
7334 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7335 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7336 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7338 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7339 if(pCnt[WhiteAlfil+side])
7340 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7341 if(pCnt[WhiteWazir+side])
7342 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7349 Adjudicate(ChessProgramState *cps)
7350 { // [HGM] some adjudications useful with buggy engines
7351 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7352 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7353 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7354 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7355 int k, count = 0; static int bare = 1;
7356 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7357 Boolean canAdjudicate = !appData.icsActive;
7359 // most tests only when we understand the game, i.e. legality-checking on
7360 if( appData.testLegality )
7361 { /* [HGM] Some more adjudications for obstinate engines */
7362 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7363 static int moveCount = 6;
7365 char *reason = NULL;
7367 /* Count what is on board. */
7368 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7370 /* Some material-based adjudications that have to be made before stalemate test */
7371 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7372 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7373 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7374 if(canAdjudicate && appData.checkMates) {
7376 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7377 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7378 "Xboard adjudication: King destroyed", GE_XBOARD );
7383 /* Bare King in Shatranj (loses) or Losers (wins) */
7384 if( nrW == 1 || nrB == 1) {
7385 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7386 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7387 if(canAdjudicate && appData.checkMates) {
7389 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7390 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7391 "Xboard adjudication: Bare king", GE_XBOARD );
7395 if( gameInfo.variant == VariantShatranj && --bare < 0)
7397 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7398 if(canAdjudicate && appData.checkMates) {
7399 /* but only adjudicate if adjudication enabled */
7401 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7402 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7403 "Xboard adjudication: Bare king", GE_XBOARD );
7410 // don't wait for engine to announce game end if we can judge ourselves
7411 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7413 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7414 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7415 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7416 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7419 reason = "Xboard adjudication: 3rd check";
7420 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7430 reason = "Xboard adjudication: Stalemate";
7431 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7432 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7433 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7434 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7435 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7436 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7437 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7438 EP_CHECKMATE : EP_WINS);
7439 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7440 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7444 reason = "Xboard adjudication: Checkmate";
7445 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7449 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7451 result = GameIsDrawn; break;
7453 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7455 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7459 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7461 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7462 GameEnds( result, reason, GE_XBOARD );
7466 /* Next absolutely insufficient mating material. */
7467 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7468 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7469 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7471 /* always flag draws, for judging claims */
7472 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7474 if(canAdjudicate && appData.materialDraws) {
7475 /* but only adjudicate them if adjudication enabled */
7476 if(engineOpponent) {
7477 SendToProgram("force\n", engineOpponent); // suppress reply
7478 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7480 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7485 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7486 if(gameInfo.variant == VariantXiangqi ?
7487 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7489 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7490 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7491 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7492 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7494 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7495 { /* if the first 3 moves do not show a tactical win, declare draw */
7496 if(engineOpponent) {
7497 SendToProgram("force\n", engineOpponent); // suppress reply
7498 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7500 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7503 } else moveCount = 6;
7505 if (appData.debugMode) { int i;
7506 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7507 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7508 appData.drawRepeats);
7509 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7510 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7514 // Repetition draws and 50-move rule can be applied independently of legality testing
7516 /* Check for rep-draws */
7518 for(k = forwardMostMove-2;
7519 k>=backwardMostMove && k>=forwardMostMove-100 &&
7520 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7521 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7524 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7525 /* compare castling rights */
7526 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7527 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7528 rights++; /* King lost rights, while rook still had them */
7529 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7530 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7531 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7532 rights++; /* but at least one rook lost them */
7534 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7535 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7537 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7538 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7539 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7542 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7543 && appData.drawRepeats > 1) {
7544 /* adjudicate after user-specified nr of repeats */
7545 int result = GameIsDrawn;
7546 char *details = "XBoard adjudication: repetition draw";
7547 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7548 // [HGM] xiangqi: check for forbidden perpetuals
7549 int m, ourPerpetual = 1, hisPerpetual = 1;
7550 for(m=forwardMostMove; m>k; m-=2) {
7551 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7552 ourPerpetual = 0; // the current mover did not always check
7553 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7554 hisPerpetual = 0; // the opponent did not always check
7556 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7557 ourPerpetual, hisPerpetual);
7558 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7559 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7560 details = "Xboard adjudication: perpetual checking";
7562 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7563 break; // (or we would have caught him before). Abort repetition-checking loop.
7565 // Now check for perpetual chases
7566 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7567 hisPerpetual = PerpetualChase(k, forwardMostMove);
7568 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7569 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7570 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7571 details = "Xboard adjudication: perpetual chasing";
7573 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7574 break; // Abort repetition-checking loop.
7576 // if neither of us is checking or chasing all the time, or both are, it is draw
7578 if(engineOpponent) {
7579 SendToProgram("force\n", engineOpponent); // suppress reply
7580 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7582 GameEnds( result, details, GE_XBOARD );
7585 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7586 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7590 /* Now we test for 50-move draws. Determine ply count */
7591 count = forwardMostMove;
7592 /* look for last irreversble move */
7593 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7595 /* if we hit starting position, add initial plies */
7596 if( count == backwardMostMove )
7597 count -= initialRulePlies;
7598 count = forwardMostMove - count;
7599 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7600 // adjust reversible move counter for checks in Xiangqi
7601 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7602 if(i < backwardMostMove) i = backwardMostMove;
7603 while(i <= forwardMostMove) {
7604 lastCheck = inCheck; // check evasion does not count
7605 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7606 if(inCheck || lastCheck) count--; // check does not count
7611 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7612 /* this is used to judge if draw claims are legal */
7613 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7614 if(engineOpponent) {
7615 SendToProgram("force\n", engineOpponent); // suppress reply
7616 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7618 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7622 /* if draw offer is pending, treat it as a draw claim
7623 * when draw condition present, to allow engines a way to
7624 * claim draws before making their move to avoid a race
7625 * condition occurring after their move
7627 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7629 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7630 p = "Draw claim: 50-move rule";
7631 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7632 p = "Draw claim: 3-fold repetition";
7633 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7634 p = "Draw claim: insufficient mating material";
7635 if( p != NULL && canAdjudicate) {
7636 if(engineOpponent) {
7637 SendToProgram("force\n", engineOpponent); // suppress reply
7638 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7640 GameEnds( GameIsDrawn, p, GE_XBOARD );
7645 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7646 if(engineOpponent) {
7647 SendToProgram("force\n", engineOpponent); // suppress reply
7648 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7650 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7656 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7657 { // [HGM] book: this routine intercepts moves to simulate book replies
7658 char *bookHit = NULL;
7660 //first determine if the incoming move brings opponent into his book
7661 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7662 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7663 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7664 if(bookHit != NULL && !cps->bookSuspend) {
7665 // make sure opponent is not going to reply after receiving move to book position
7666 SendToProgram("force\n", cps);
7667 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7669 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7670 // now arrange restart after book miss
7672 // after a book hit we never send 'go', and the code after the call to this routine
7673 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7674 char buf[MSG_SIZ], *move = bookHit;
7676 int fromX, fromY, toX, toY;
7680 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7681 &fromX, &fromY, &toX, &toY, &promoChar)) {
7682 (void) CoordsToAlgebraic(boards[forwardMostMove],
7683 PosFlags(forwardMostMove),
7684 fromY, fromX, toY, toX, promoChar, move);
7686 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7690 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7691 SendToProgram(buf, cps);
7692 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7693 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7694 SendToProgram("go\n", cps);
7695 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7696 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7697 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7698 SendToProgram("go\n", cps);
7699 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7701 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7705 ChessProgramState *savedState;
7706 void DeferredBookMove(void)
7708 if(savedState->lastPing != savedState->lastPong)
7709 ScheduleDelayedEvent(DeferredBookMove, 10);
7711 HandleMachineMove(savedMessage, savedState);
7714 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7717 HandleMachineMove(message, cps)
7719 ChessProgramState *cps;
7721 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7722 char realname[MSG_SIZ];
7723 int fromX, fromY, toX, toY;
7730 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7731 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7732 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7733 DisplayError(_("Invalid pairing from pairing engine"), 0);
7736 pairingReceived = 1;
7738 return; // Skim the pairing messages here.
7743 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7745 * Kludge to ignore BEL characters
7747 while (*message == '\007') message++;
7750 * [HGM] engine debug message: ignore lines starting with '#' character
7752 if(cps->debug && *message == '#') return;
7755 * Look for book output
7757 if (cps == &first && bookRequested) {
7758 if (message[0] == '\t' || message[0] == ' ') {
7759 /* Part of the book output is here; append it */
7760 strcat(bookOutput, message);
7761 strcat(bookOutput, " \n");
7763 } else if (bookOutput[0] != NULLCHAR) {
7764 /* All of book output has arrived; display it */
7765 char *p = bookOutput;
7766 while (*p != NULLCHAR) {
7767 if (*p == '\t') *p = ' ';
7770 DisplayInformation(bookOutput);
7771 bookRequested = FALSE;
7772 /* Fall through to parse the current output */
7777 * Look for machine move.
7779 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7780 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7782 /* This method is only useful on engines that support ping */
7783 if (cps->lastPing != cps->lastPong) {
7784 if (gameMode == BeginningOfGame) {
7785 /* Extra move from before last new; ignore */
7786 if (appData.debugMode) {
7787 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7790 if (appData.debugMode) {
7791 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7792 cps->which, gameMode);
7795 SendToProgram("undo\n", cps);
7801 case BeginningOfGame:
7802 /* Extra move from before last reset; ignore */
7803 if (appData.debugMode) {
7804 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7811 /* Extra move after we tried to stop. The mode test is
7812 not a reliable way of detecting this problem, but it's
7813 the best we can do on engines that don't support ping.
7815 if (appData.debugMode) {
7816 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7817 cps->which, gameMode);
7819 SendToProgram("undo\n", cps);
7822 case MachinePlaysWhite:
7823 case IcsPlayingWhite:
7824 machineWhite = TRUE;
7827 case MachinePlaysBlack:
7828 case IcsPlayingBlack:
7829 machineWhite = FALSE;
7832 case TwoMachinesPlay:
7833 machineWhite = (cps->twoMachinesColor[0] == 'w');
7836 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7837 if (appData.debugMode) {
7839 "Ignoring move out of turn by %s, gameMode %d"
7840 ", forwardMost %d\n",
7841 cps->which, gameMode, forwardMostMove);
7846 if (appData.debugMode) { int f = forwardMostMove;
7847 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7848 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7849 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7851 if(cps->alphaRank) AlphaRank(machineMove, 4);
7852 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7853 &fromX, &fromY, &toX, &toY, &promoChar)) {
7854 /* Machine move could not be parsed; ignore it. */
7855 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7856 machineMove, _(cps->which));
7857 DisplayError(buf1, 0);
7858 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7859 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7860 if (gameMode == TwoMachinesPlay) {
7861 GameEnds(machineWhite ? BlackWins : WhiteWins,
7867 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7868 /* So we have to redo legality test with true e.p. status here, */
7869 /* to make sure an illegal e.p. capture does not slip through, */
7870 /* to cause a forfeit on a justified illegal-move complaint */
7871 /* of the opponent. */
7872 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7874 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7875 fromY, fromX, toY, toX, promoChar);
7876 if (appData.debugMode) {
7878 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7879 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7880 fprintf(debugFP, "castling rights\n");
7882 if(moveType == IllegalMove) {
7883 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7884 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7885 GameEnds(machineWhite ? BlackWins : WhiteWins,
7888 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7889 /* [HGM] Kludge to handle engines that send FRC-style castling
7890 when they shouldn't (like TSCP-Gothic) */
7892 case WhiteASideCastleFR:
7893 case BlackASideCastleFR:
7895 currentMoveString[2]++;
7897 case WhiteHSideCastleFR:
7898 case BlackHSideCastleFR:
7900 currentMoveString[2]--;
7902 default: ; // nothing to do, but suppresses warning of pedantic compilers
7905 hintRequested = FALSE;
7906 lastHint[0] = NULLCHAR;
7907 bookRequested = FALSE;
7908 /* Program may be pondering now */
7909 cps->maybeThinking = TRUE;
7910 if (cps->sendTime == 2) cps->sendTime = 1;
7911 if (cps->offeredDraw) cps->offeredDraw--;
7913 /* [AS] Save move info*/
7914 pvInfoList[ forwardMostMove ].score = programStats.score;
7915 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7916 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7918 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7920 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7921 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7924 while( count < adjudicateLossPlies ) {
7925 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7928 score = -score; /* Flip score for winning side */
7931 if( score > adjudicateLossThreshold ) {
7938 if( count >= adjudicateLossPlies ) {
7939 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7941 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7942 "Xboard adjudication",
7949 if(Adjudicate(cps)) {
7950 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7951 return; // [HGM] adjudicate: for all automatic game ends
7955 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7957 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7958 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7960 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7962 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7964 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7965 char buf[3*MSG_SIZ];
7967 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7968 programStats.score / 100.,
7970 programStats.time / 100.,
7971 (unsigned int)programStats.nodes,
7972 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7973 programStats.movelist);
7975 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7980 /* [AS] Clear stats for next move */
7981 ClearProgramStats();
7982 thinkOutput[0] = NULLCHAR;
7983 hiddenThinkOutputState = 0;
7986 if (gameMode == TwoMachinesPlay) {
7987 /* [HGM] relaying draw offers moved to after reception of move */
7988 /* and interpreting offer as claim if it brings draw condition */
7989 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7990 SendToProgram("draw\n", cps->other);
7992 if (cps->other->sendTime) {
7993 SendTimeRemaining(cps->other,
7994 cps->other->twoMachinesColor[0] == 'w');
7996 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7997 if (firstMove && !bookHit) {
7999 if (cps->other->useColors) {
8000 SendToProgram(cps->other->twoMachinesColor, cps->other);
8002 SendToProgram("go\n", cps->other);
8004 cps->other->maybeThinking = TRUE;
8007 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8009 if (!pausing && appData.ringBellAfterMoves) {
8014 * Reenable menu items that were disabled while
8015 * machine was thinking
8017 if (gameMode != TwoMachinesPlay)
8018 SetUserThinkingEnables();
8020 // [HGM] book: after book hit opponent has received move and is now in force mode
8021 // force the book reply into it, and then fake that it outputted this move by jumping
8022 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8024 static char bookMove[MSG_SIZ]; // a bit generous?
8026 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8027 strcat(bookMove, bookHit);
8030 programStats.nodes = programStats.depth = programStats.time =
8031 programStats.score = programStats.got_only_move = 0;
8032 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8034 if(cps->lastPing != cps->lastPong) {
8035 savedMessage = message; // args for deferred call
8037 ScheduleDelayedEvent(DeferredBookMove, 10);
8046 /* Set special modes for chess engines. Later something general
8047 * could be added here; for now there is just one kludge feature,
8048 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8049 * when "xboard" is given as an interactive command.
8051 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8052 cps->useSigint = FALSE;
8053 cps->useSigterm = FALSE;
8055 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8056 ParseFeatures(message+8, cps);
8057 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8060 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8061 int dummy, s=6; char buf[MSG_SIZ];
8062 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
8063 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8064 ParseFEN(boards[0], &dummy, message+s);
8065 DrawPosition(TRUE, boards[0]);
8066 startedFromSetupPosition = TRUE;
8069 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8070 * want this, I was asked to put it in, and obliged.
8072 if (!strncmp(message, "setboard ", 9)) {
8073 Board initial_position;
8075 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8077 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8078 DisplayError(_("Bad FEN received from engine"), 0);
8082 CopyBoard(boards[0], initial_position);
8083 initialRulePlies = FENrulePlies;
8084 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8085 else gameMode = MachinePlaysBlack;
8086 DrawPosition(FALSE, boards[currentMove]);
8092 * Look for communication commands
8094 if (!strncmp(message, "telluser ", 9)) {
8095 if(message[9] == '\\' && message[10] == '\\')
8096 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8098 DisplayNote(message + 9);
8101 if (!strncmp(message, "tellusererror ", 14)) {
8103 if(message[14] == '\\' && message[15] == '\\')
8104 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8106 DisplayError(message + 14, 0);
8109 if (!strncmp(message, "tellopponent ", 13)) {
8110 if (appData.icsActive) {
8112 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8116 DisplayNote(message + 13);
8120 if (!strncmp(message, "tellothers ", 11)) {
8121 if (appData.icsActive) {
8123 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8129 if (!strncmp(message, "tellall ", 8)) {
8130 if (appData.icsActive) {
8132 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8136 DisplayNote(message + 8);
8140 if (strncmp(message, "warning", 7) == 0) {
8141 /* Undocumented feature, use tellusererror in new code */
8142 DisplayError(message, 0);
8145 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8146 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8147 strcat(realname, " query");
8148 AskQuestion(realname, buf2, buf1, cps->pr);
8151 /* Commands from the engine directly to ICS. We don't allow these to be
8152 * sent until we are logged on. Crafty kibitzes have been known to
8153 * interfere with the login process.
8156 if (!strncmp(message, "tellics ", 8)) {
8157 SendToICS(message + 8);
8161 if (!strncmp(message, "tellicsnoalias ", 15)) {
8162 SendToICS(ics_prefix);
8163 SendToICS(message + 15);
8167 /* The following are for backward compatibility only */
8168 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8169 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8170 SendToICS(ics_prefix);
8176 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8180 * If the move is illegal, cancel it and redraw the board.
8181 * Also deal with other error cases. Matching is rather loose
8182 * here to accommodate engines written before the spec.
8184 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8185 strncmp(message, "Error", 5) == 0) {
8186 if (StrStr(message, "name") ||
8187 StrStr(message, "rating") || StrStr(message, "?") ||
8188 StrStr(message, "result") || StrStr(message, "board") ||
8189 StrStr(message, "bk") || StrStr(message, "computer") ||
8190 StrStr(message, "variant") || StrStr(message, "hint") ||
8191 StrStr(message, "random") || StrStr(message, "depth") ||
8192 StrStr(message, "accepted")) {
8195 if (StrStr(message, "protover")) {
8196 /* Program is responding to input, so it's apparently done
8197 initializing, and this error message indicates it is
8198 protocol version 1. So we don't need to wait any longer
8199 for it to initialize and send feature commands. */
8200 FeatureDone(cps, 1);
8201 cps->protocolVersion = 1;
8204 cps->maybeThinking = FALSE;
8206 if (StrStr(message, "draw")) {
8207 /* Program doesn't have "draw" command */
8208 cps->sendDrawOffers = 0;
8211 if (cps->sendTime != 1 &&
8212 (StrStr(message, "time") || StrStr(message, "otim"))) {
8213 /* Program apparently doesn't have "time" or "otim" command */
8217 if (StrStr(message, "analyze")) {
8218 cps->analysisSupport = FALSE;
8219 cps->analyzing = FALSE;
8221 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8222 DisplayError(buf2, 0);
8225 if (StrStr(message, "(no matching move)st")) {
8226 /* Special kludge for GNU Chess 4 only */
8227 cps->stKludge = TRUE;
8228 SendTimeControl(cps, movesPerSession, timeControl,
8229 timeIncrement, appData.searchDepth,
8233 if (StrStr(message, "(no matching move)sd")) {
8234 /* Special kludge for GNU Chess 4 only */
8235 cps->sdKludge = TRUE;
8236 SendTimeControl(cps, movesPerSession, timeControl,
8237 timeIncrement, appData.searchDepth,
8241 if (!StrStr(message, "llegal")) {
8244 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8245 gameMode == IcsIdle) return;
8246 if (forwardMostMove <= backwardMostMove) return;
8247 if (pausing) PauseEvent();
8248 if(appData.forceIllegal) {
8249 // [HGM] illegal: machine refused move; force position after move into it
8250 SendToProgram("force\n", cps);
8251 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8252 // we have a real problem now, as SendBoard will use the a2a3 kludge
8253 // when black is to move, while there might be nothing on a2 or black
8254 // might already have the move. So send the board as if white has the move.
8255 // But first we must change the stm of the engine, as it refused the last move
8256 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8257 if(WhiteOnMove(forwardMostMove)) {
8258 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8259 SendBoard(cps, forwardMostMove); // kludgeless board
8261 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8262 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8263 SendBoard(cps, forwardMostMove+1); // kludgeless board
8265 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8266 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8267 gameMode == TwoMachinesPlay)
8268 SendToProgram("go\n", cps);
8271 if (gameMode == PlayFromGameFile) {
8272 /* Stop reading this game file */
8273 gameMode = EditGame;
8276 /* [HGM] illegal-move claim should forfeit game when Xboard */
8277 /* only passes fully legal moves */
8278 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8279 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8280 "False illegal-move claim", GE_XBOARD );
8281 return; // do not take back move we tested as valid
8283 currentMove = forwardMostMove-1;
8284 DisplayMove(currentMove-1); /* before DisplayMoveError */
8285 SwitchClocks(forwardMostMove-1); // [HGM] race
8286 DisplayBothClocks();
8287 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8288 parseList[currentMove], _(cps->which));
8289 DisplayMoveError(buf1);
8290 DrawPosition(FALSE, boards[currentMove]);
8293 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8294 /* Program has a broken "time" command that
8295 outputs a string not ending in newline.
8301 * If chess program startup fails, exit with an error message.
8302 * Attempts to recover here are futile.
8304 if ((StrStr(message, "unknown host") != NULL)
8305 || (StrStr(message, "No remote directory") != NULL)
8306 || (StrStr(message, "not found") != NULL)
8307 || (StrStr(message, "No such file") != NULL)
8308 || (StrStr(message, "can't alloc") != NULL)
8309 || (StrStr(message, "Permission denied") != NULL)) {
8311 cps->maybeThinking = FALSE;
8312 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8313 _(cps->which), cps->program, cps->host, message);
8314 RemoveInputSource(cps->isr);
8315 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8316 if(cps == &first) appData.noChessProgram = TRUE;
8317 DisplayError(buf1, 0);
8323 * Look for hint output
8325 if (sscanf(message, "Hint: %s", buf1) == 1) {
8326 if (cps == &first && hintRequested) {
8327 hintRequested = FALSE;
8328 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8329 &fromX, &fromY, &toX, &toY, &promoChar)) {
8330 (void) CoordsToAlgebraic(boards[forwardMostMove],
8331 PosFlags(forwardMostMove),
8332 fromY, fromX, toY, toX, promoChar, buf1);
8333 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8334 DisplayInformation(buf2);
8336 /* Hint move could not be parsed!? */
8337 snprintf(buf2, sizeof(buf2),
8338 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8339 buf1, _(cps->which));
8340 DisplayError(buf2, 0);
8343 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8349 * Ignore other messages if game is not in progress
8351 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8352 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8355 * look for win, lose, draw, or draw offer
8357 if (strncmp(message, "1-0", 3) == 0) {
8358 char *p, *q, *r = "";
8359 p = strchr(message, '{');
8367 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8369 } else if (strncmp(message, "0-1", 3) == 0) {
8370 char *p, *q, *r = "";
8371 p = strchr(message, '{');
8379 /* Kludge for Arasan 4.1 bug */
8380 if (strcmp(r, "Black resigns") == 0) {
8381 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8384 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8386 } else if (strncmp(message, "1/2", 3) == 0) {
8387 char *p, *q, *r = "";
8388 p = strchr(message, '{');
8397 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8400 } else if (strncmp(message, "White resign", 12) == 0) {
8401 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8403 } else if (strncmp(message, "Black resign", 12) == 0) {
8404 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8406 } else if (strncmp(message, "White matches", 13) == 0 ||
8407 strncmp(message, "Black matches", 13) == 0 ) {
8408 /* [HGM] ignore GNUShogi noises */
8410 } else if (strncmp(message, "White", 5) == 0 &&
8411 message[5] != '(' &&
8412 StrStr(message, "Black") == NULL) {
8413 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8415 } else if (strncmp(message, "Black", 5) == 0 &&
8416 message[5] != '(') {
8417 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8419 } else if (strcmp(message, "resign") == 0 ||
8420 strcmp(message, "computer resigns") == 0) {
8422 case MachinePlaysBlack:
8423 case IcsPlayingBlack:
8424 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8426 case MachinePlaysWhite:
8427 case IcsPlayingWhite:
8428 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8430 case TwoMachinesPlay:
8431 if (cps->twoMachinesColor[0] == 'w')
8432 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8434 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8441 } else if (strncmp(message, "opponent mates", 14) == 0) {
8443 case MachinePlaysBlack:
8444 case IcsPlayingBlack:
8445 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8447 case MachinePlaysWhite:
8448 case IcsPlayingWhite:
8449 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8451 case TwoMachinesPlay:
8452 if (cps->twoMachinesColor[0] == 'w')
8453 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8455 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8462 } else if (strncmp(message, "computer mates", 14) == 0) {
8464 case MachinePlaysBlack:
8465 case IcsPlayingBlack:
8466 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8468 case MachinePlaysWhite:
8469 case IcsPlayingWhite:
8470 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8472 case TwoMachinesPlay:
8473 if (cps->twoMachinesColor[0] == 'w')
8474 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8476 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8483 } else if (strncmp(message, "checkmate", 9) == 0) {
8484 if (WhiteOnMove(forwardMostMove)) {
8485 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8487 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8490 } else if (strstr(message, "Draw") != NULL ||
8491 strstr(message, "game is a draw") != NULL) {
8492 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8494 } else if (strstr(message, "offer") != NULL &&
8495 strstr(message, "draw") != NULL) {
8497 if (appData.zippyPlay && first.initDone) {
8498 /* Relay offer to ICS */
8499 SendToICS(ics_prefix);
8500 SendToICS("draw\n");
8503 cps->offeredDraw = 2; /* valid until this engine moves twice */
8504 if (gameMode == TwoMachinesPlay) {
8505 if (cps->other->offeredDraw) {
8506 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8507 /* [HGM] in two-machine mode we delay relaying draw offer */
8508 /* until after we also have move, to see if it is really claim */
8510 } else if (gameMode == MachinePlaysWhite ||
8511 gameMode == MachinePlaysBlack) {
8512 if (userOfferedDraw) {
8513 DisplayInformation(_("Machine accepts your draw offer"));
8514 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8516 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8523 * Look for thinking output
8525 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8526 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8528 int plylev, mvleft, mvtot, curscore, time;
8529 char mvname[MOVE_LEN];
8533 int prefixHint = FALSE;
8534 mvname[0] = NULLCHAR;
8537 case MachinePlaysBlack:
8538 case IcsPlayingBlack:
8539 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8541 case MachinePlaysWhite:
8542 case IcsPlayingWhite:
8543 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8548 case IcsObserving: /* [DM] icsEngineAnalyze */
8549 if (!appData.icsEngineAnalyze) ignore = TRUE;
8551 case TwoMachinesPlay:
8552 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8562 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8564 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8565 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8567 if (plyext != ' ' && plyext != '\t') {
8571 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8572 if( cps->scoreIsAbsolute &&
8573 ( gameMode == MachinePlaysBlack ||
8574 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8575 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8576 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8577 !WhiteOnMove(currentMove)
8580 curscore = -curscore;
8583 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8585 tempStats.depth = plylev;
8586 tempStats.nodes = nodes;
8587 tempStats.time = time;
8588 tempStats.score = curscore;
8589 tempStats.got_only_move = 0;
8591 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8594 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8595 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8596 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8597 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8598 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8599 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8600 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8601 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8604 /* Buffer overflow protection */
8605 if (pv[0] != NULLCHAR) {
8606 if (strlen(pv) >= sizeof(tempStats.movelist)
8607 && appData.debugMode) {
8609 "PV is too long; using the first %u bytes.\n",
8610 (unsigned) sizeof(tempStats.movelist) - 1);
8613 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8615 sprintf(tempStats.movelist, " no PV\n");
8618 if (tempStats.seen_stat) {
8619 tempStats.ok_to_send = 1;
8622 if (strchr(tempStats.movelist, '(') != NULL) {
8623 tempStats.line_is_book = 1;
8624 tempStats.nr_moves = 0;
8625 tempStats.moves_left = 0;
8627 tempStats.line_is_book = 0;
8630 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8631 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8633 SendProgramStatsToFrontend( cps, &tempStats );
8636 [AS] Protect the thinkOutput buffer from overflow... this
8637 is only useful if buf1 hasn't overflowed first!
8639 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8641 (gameMode == TwoMachinesPlay ?
8642 ToUpper(cps->twoMachinesColor[0]) : ' '),
8643 ((double) curscore) / 100.0,
8644 prefixHint ? lastHint : "",
8645 prefixHint ? " " : "" );
8647 if( buf1[0] != NULLCHAR ) {
8648 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8650 if( strlen(pv) > max_len ) {
8651 if( appData.debugMode) {
8652 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8654 pv[max_len+1] = '\0';
8657 strcat( thinkOutput, pv);
8660 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8661 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8662 DisplayMove(currentMove - 1);
8666 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8667 /* crafty (9.25+) says "(only move) <move>"
8668 * if there is only 1 legal move
8670 sscanf(p, "(only move) %s", buf1);
8671 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8672 sprintf(programStats.movelist, "%s (only move)", buf1);
8673 programStats.depth = 1;
8674 programStats.nr_moves = 1;
8675 programStats.moves_left = 1;
8676 programStats.nodes = 1;
8677 programStats.time = 1;
8678 programStats.got_only_move = 1;
8680 /* Not really, but we also use this member to
8681 mean "line isn't going to change" (Crafty
8682 isn't searching, so stats won't change) */
8683 programStats.line_is_book = 1;
8685 SendProgramStatsToFrontend( cps, &programStats );
8687 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8688 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8689 DisplayMove(currentMove - 1);
8692 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8693 &time, &nodes, &plylev, &mvleft,
8694 &mvtot, mvname) >= 5) {
8695 /* The stat01: line is from Crafty (9.29+) in response
8696 to the "." command */
8697 programStats.seen_stat = 1;
8698 cps->maybeThinking = TRUE;
8700 if (programStats.got_only_move || !appData.periodicUpdates)
8703 programStats.depth = plylev;
8704 programStats.time = time;
8705 programStats.nodes = nodes;
8706 programStats.moves_left = mvleft;
8707 programStats.nr_moves = mvtot;
8708 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8709 programStats.ok_to_send = 1;
8710 programStats.movelist[0] = '\0';
8712 SendProgramStatsToFrontend( cps, &programStats );
8716 } else if (strncmp(message,"++",2) == 0) {
8717 /* Crafty 9.29+ outputs this */
8718 programStats.got_fail = 2;
8721 } else if (strncmp(message,"--",2) == 0) {
8722 /* Crafty 9.29+ outputs this */
8723 programStats.got_fail = 1;
8726 } else if (thinkOutput[0] != NULLCHAR &&
8727 strncmp(message, " ", 4) == 0) {
8728 unsigned message_len;
8731 while (*p && *p == ' ') p++;
8733 message_len = strlen( p );
8735 /* [AS] Avoid buffer overflow */
8736 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8737 strcat(thinkOutput, " ");
8738 strcat(thinkOutput, p);
8741 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8742 strcat(programStats.movelist, " ");
8743 strcat(programStats.movelist, p);
8746 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8747 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8748 DisplayMove(currentMove - 1);
8756 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8757 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8759 ChessProgramStats cpstats;
8761 if (plyext != ' ' && plyext != '\t') {
8765 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8766 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8767 curscore = -curscore;
8770 cpstats.depth = plylev;
8771 cpstats.nodes = nodes;
8772 cpstats.time = time;
8773 cpstats.score = curscore;
8774 cpstats.got_only_move = 0;
8775 cpstats.movelist[0] = '\0';
8777 if (buf1[0] != NULLCHAR) {
8778 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8781 cpstats.ok_to_send = 0;
8782 cpstats.line_is_book = 0;
8783 cpstats.nr_moves = 0;
8784 cpstats.moves_left = 0;
8786 SendProgramStatsToFrontend( cps, &cpstats );
8793 /* Parse a game score from the character string "game", and
8794 record it as the history of the current game. The game
8795 score is NOT assumed to start from the standard position.
8796 The display is not updated in any way.
8799 ParseGameHistory(game)
8803 int fromX, fromY, toX, toY, boardIndex;
8808 if (appData.debugMode)
8809 fprintf(debugFP, "Parsing game history: %s\n", game);
8811 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8812 gameInfo.site = StrSave(appData.icsHost);
8813 gameInfo.date = PGNDate();
8814 gameInfo.round = StrSave("-");
8816 /* Parse out names of players */
8817 while (*game == ' ') game++;
8819 while (*game != ' ') *p++ = *game++;
8821 gameInfo.white = StrSave(buf);
8822 while (*game == ' ') game++;
8824 while (*game != ' ' && *game != '\n') *p++ = *game++;
8826 gameInfo.black = StrSave(buf);
8829 boardIndex = blackPlaysFirst ? 1 : 0;
8832 yyboardindex = boardIndex;
8833 moveType = (ChessMove) Myylex();
8835 case IllegalMove: /* maybe suicide chess, etc. */
8836 if (appData.debugMode) {
8837 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8838 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8839 setbuf(debugFP, NULL);
8841 case WhitePromotion:
8842 case BlackPromotion:
8843 case WhiteNonPromotion:
8844 case BlackNonPromotion:
8846 case WhiteCapturesEnPassant:
8847 case BlackCapturesEnPassant:
8848 case WhiteKingSideCastle:
8849 case WhiteQueenSideCastle:
8850 case BlackKingSideCastle:
8851 case BlackQueenSideCastle:
8852 case WhiteKingSideCastleWild:
8853 case WhiteQueenSideCastleWild:
8854 case BlackKingSideCastleWild:
8855 case BlackQueenSideCastleWild:
8857 case WhiteHSideCastleFR:
8858 case WhiteASideCastleFR:
8859 case BlackHSideCastleFR:
8860 case BlackASideCastleFR:
8862 fromX = currentMoveString[0] - AAA;
8863 fromY = currentMoveString[1] - ONE;
8864 toX = currentMoveString[2] - AAA;
8865 toY = currentMoveString[3] - ONE;
8866 promoChar = currentMoveString[4];
8870 fromX = moveType == WhiteDrop ?
8871 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8872 (int) CharToPiece(ToLower(currentMoveString[0]));
8874 toX = currentMoveString[2] - AAA;
8875 toY = currentMoveString[3] - ONE;
8876 promoChar = NULLCHAR;
8880 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8881 if (appData.debugMode) {
8882 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8883 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8884 setbuf(debugFP, NULL);
8886 DisplayError(buf, 0);
8888 case ImpossibleMove:
8890 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8891 if (appData.debugMode) {
8892 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8893 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8894 setbuf(debugFP, NULL);
8896 DisplayError(buf, 0);
8899 if (boardIndex < backwardMostMove) {
8900 /* Oops, gap. How did that happen? */
8901 DisplayError(_("Gap in move list"), 0);
8904 backwardMostMove = blackPlaysFirst ? 1 : 0;
8905 if (boardIndex > forwardMostMove) {
8906 forwardMostMove = boardIndex;
8910 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8911 strcat(parseList[boardIndex-1], " ");
8912 strcat(parseList[boardIndex-1], yy_text);
8924 case GameUnfinished:
8925 if (gameMode == IcsExamining) {
8926 if (boardIndex < backwardMostMove) {
8927 /* Oops, gap. How did that happen? */
8930 backwardMostMove = blackPlaysFirst ? 1 : 0;
8933 gameInfo.result = moveType;
8934 p = strchr(yy_text, '{');
8935 if (p == NULL) p = strchr(yy_text, '(');
8938 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8940 q = strchr(p, *p == '{' ? '}' : ')');
8941 if (q != NULL) *q = NULLCHAR;
8944 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8945 gameInfo.resultDetails = StrSave(p);
8948 if (boardIndex >= forwardMostMove &&
8949 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8950 backwardMostMove = blackPlaysFirst ? 1 : 0;
8953 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8954 fromY, fromX, toY, toX, promoChar,
8955 parseList[boardIndex]);
8956 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8957 /* currentMoveString is set as a side-effect of yylex */
8958 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8959 strcat(moveList[boardIndex], "\n");
8961 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8962 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8968 if(gameInfo.variant != VariantShogi)
8969 strcat(parseList[boardIndex - 1], "+");
8973 strcat(parseList[boardIndex - 1], "#");
8980 /* Apply a move to the given board */
8982 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8983 int fromX, fromY, toX, toY;
8987 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8988 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
8990 /* [HGM] compute & store e.p. status and castling rights for new position */
8991 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8993 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8994 oldEP = (signed char)board[EP_STATUS];
8995 board[EP_STATUS] = EP_NONE;
8997 if( board[toY][toX] != EmptySquare )
8998 board[EP_STATUS] = EP_CAPTURE;
9000 if (fromY == DROP_RANK) {
9002 piece = board[toY][toX] = (ChessSquare) fromX;
9006 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9007 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9008 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9010 if( board[fromY][fromX] == WhitePawn ) {
9011 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9012 board[EP_STATUS] = EP_PAWN_MOVE;
9014 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9015 gameInfo.variant != VariantBerolina || toX < fromX)
9016 board[EP_STATUS] = toX | berolina;
9017 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9018 gameInfo.variant != VariantBerolina || toX > fromX)
9019 board[EP_STATUS] = toX;
9022 if( board[fromY][fromX] == BlackPawn ) {
9023 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9024 board[EP_STATUS] = EP_PAWN_MOVE;
9025 if( toY-fromY== -2) {
9026 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9027 gameInfo.variant != VariantBerolina || toX < fromX)
9028 board[EP_STATUS] = toX | berolina;
9029 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9030 gameInfo.variant != VariantBerolina || toX > fromX)
9031 board[EP_STATUS] = toX;
9035 for(i=0; i<nrCastlingRights; i++) {
9036 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9037 board[CASTLING][i] == toX && castlingRank[i] == toY
9038 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9041 if (fromX == toX && fromY == toY) return;
9043 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9044 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9045 if(gameInfo.variant == VariantKnightmate)
9046 king += (int) WhiteUnicorn - (int) WhiteKing;
9048 /* Code added by Tord: */
9049 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9050 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9051 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9052 board[fromY][fromX] = EmptySquare;
9053 board[toY][toX] = EmptySquare;
9054 if((toX > fromX) != (piece == WhiteRook)) {
9055 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9057 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9059 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9060 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9061 board[fromY][fromX] = EmptySquare;
9062 board[toY][toX] = EmptySquare;
9063 if((toX > fromX) != (piece == BlackRook)) {
9064 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9066 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9068 /* End of code added by Tord */
9070 } else if (board[fromY][fromX] == king
9071 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9072 && toY == fromY && toX > fromX+1) {
9073 board[fromY][fromX] = EmptySquare;
9074 board[toY][toX] = king;
9075 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9076 board[fromY][BOARD_RGHT-1] = EmptySquare;
9077 } else if (board[fromY][fromX] == king
9078 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9079 && toY == fromY && toX < fromX-1) {
9080 board[fromY][fromX] = EmptySquare;
9081 board[toY][toX] = king;
9082 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9083 board[fromY][BOARD_LEFT] = EmptySquare;
9084 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9085 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9086 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9088 /* white pawn promotion */
9089 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9090 if(gameInfo.variant==VariantBughouse ||
9091 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9092 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9093 board[fromY][fromX] = EmptySquare;
9094 } else if ((fromY >= BOARD_HEIGHT>>1)
9096 && gameInfo.variant != VariantXiangqi
9097 && gameInfo.variant != VariantBerolina
9098 && (board[fromY][fromX] == WhitePawn)
9099 && (board[toY][toX] == EmptySquare)) {
9100 board[fromY][fromX] = EmptySquare;
9101 board[toY][toX] = WhitePawn;
9102 captured = board[toY - 1][toX];
9103 board[toY - 1][toX] = EmptySquare;
9104 } else if ((fromY == BOARD_HEIGHT-4)
9106 && gameInfo.variant == VariantBerolina
9107 && (board[fromY][fromX] == WhitePawn)
9108 && (board[toY][toX] == EmptySquare)) {
9109 board[fromY][fromX] = EmptySquare;
9110 board[toY][toX] = WhitePawn;
9111 if(oldEP & EP_BEROLIN_A) {
9112 captured = board[fromY][fromX-1];
9113 board[fromY][fromX-1] = EmptySquare;
9114 }else{ captured = board[fromY][fromX+1];
9115 board[fromY][fromX+1] = EmptySquare;
9117 } else if (board[fromY][fromX] == king
9118 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9119 && toY == fromY && toX > fromX+1) {
9120 board[fromY][fromX] = EmptySquare;
9121 board[toY][toX] = king;
9122 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9123 board[fromY][BOARD_RGHT-1] = EmptySquare;
9124 } else if (board[fromY][fromX] == king
9125 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9126 && toY == fromY && toX < fromX-1) {
9127 board[fromY][fromX] = EmptySquare;
9128 board[toY][toX] = king;
9129 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9130 board[fromY][BOARD_LEFT] = EmptySquare;
9131 } else if (fromY == 7 && fromX == 3
9132 && board[fromY][fromX] == BlackKing
9133 && toY == 7 && toX == 5) {
9134 board[fromY][fromX] = EmptySquare;
9135 board[toY][toX] = BlackKing;
9136 board[fromY][7] = EmptySquare;
9137 board[toY][4] = BlackRook;
9138 } else if (fromY == 7 && fromX == 3
9139 && board[fromY][fromX] == BlackKing
9140 && toY == 7 && toX == 1) {
9141 board[fromY][fromX] = EmptySquare;
9142 board[toY][toX] = BlackKing;
9143 board[fromY][0] = EmptySquare;
9144 board[toY][2] = BlackRook;
9145 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9146 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9147 && toY < promoRank && promoChar
9149 /* black pawn promotion */
9150 board[toY][toX] = CharToPiece(ToLower(promoChar));
9151 if(gameInfo.variant==VariantBughouse ||
9152 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9153 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9154 board[fromY][fromX] = EmptySquare;
9155 } else if ((fromY < BOARD_HEIGHT>>1)
9157 && gameInfo.variant != VariantXiangqi
9158 && gameInfo.variant != VariantBerolina
9159 && (board[fromY][fromX] == BlackPawn)
9160 && (board[toY][toX] == EmptySquare)) {
9161 board[fromY][fromX] = EmptySquare;
9162 board[toY][toX] = BlackPawn;
9163 captured = board[toY + 1][toX];
9164 board[toY + 1][toX] = EmptySquare;
9165 } else if ((fromY == 3)
9167 && gameInfo.variant == VariantBerolina
9168 && (board[fromY][fromX] == BlackPawn)
9169 && (board[toY][toX] == EmptySquare)) {
9170 board[fromY][fromX] = EmptySquare;
9171 board[toY][toX] = BlackPawn;
9172 if(oldEP & EP_BEROLIN_A) {
9173 captured = board[fromY][fromX-1];
9174 board[fromY][fromX-1] = EmptySquare;
9175 }else{ captured = board[fromY][fromX+1];
9176 board[fromY][fromX+1] = EmptySquare;
9179 board[toY][toX] = board[fromY][fromX];
9180 board[fromY][fromX] = EmptySquare;
9184 if (gameInfo.holdingsWidth != 0) {
9186 /* !!A lot more code needs to be written to support holdings */
9187 /* [HGM] OK, so I have written it. Holdings are stored in the */
9188 /* penultimate board files, so they are automaticlly stored */
9189 /* in the game history. */
9190 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9191 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9192 /* Delete from holdings, by decreasing count */
9193 /* and erasing image if necessary */
9194 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9195 if(p < (int) BlackPawn) { /* white drop */
9196 p -= (int)WhitePawn;
9197 p = PieceToNumber((ChessSquare)p);
9198 if(p >= gameInfo.holdingsSize) p = 0;
9199 if(--board[p][BOARD_WIDTH-2] <= 0)
9200 board[p][BOARD_WIDTH-1] = EmptySquare;
9201 if((int)board[p][BOARD_WIDTH-2] < 0)
9202 board[p][BOARD_WIDTH-2] = 0;
9203 } else { /* black drop */
9204 p -= (int)BlackPawn;
9205 p = PieceToNumber((ChessSquare)p);
9206 if(p >= gameInfo.holdingsSize) p = 0;
9207 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9208 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9209 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9210 board[BOARD_HEIGHT-1-p][1] = 0;
9213 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9214 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9215 /* [HGM] holdings: Add to holdings, if holdings exist */
9216 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9217 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9218 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9221 if (p >= (int) BlackPawn) {
9222 p -= (int)BlackPawn;
9223 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9224 /* in Shogi restore piece to its original first */
9225 captured = (ChessSquare) (DEMOTED captured);
9228 p = PieceToNumber((ChessSquare)p);
9229 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9230 board[p][BOARD_WIDTH-2]++;
9231 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9233 p -= (int)WhitePawn;
9234 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9235 captured = (ChessSquare) (DEMOTED captured);
9238 p = PieceToNumber((ChessSquare)p);
9239 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9240 board[BOARD_HEIGHT-1-p][1]++;
9241 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9244 } else if (gameInfo.variant == VariantAtomic) {
9245 if (captured != EmptySquare) {
9247 for (y = toY-1; y <= toY+1; y++) {
9248 for (x = toX-1; x <= toX+1; x++) {
9249 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9250 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9251 board[y][x] = EmptySquare;
9255 board[toY][toX] = EmptySquare;
9258 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9259 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9261 if(promoChar == '+') {
9262 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9263 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9264 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9265 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9267 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9268 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9269 // [HGM] superchess: take promotion piece out of holdings
9270 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9271 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9272 if(!--board[k][BOARD_WIDTH-2])
9273 board[k][BOARD_WIDTH-1] = EmptySquare;
9275 if(!--board[BOARD_HEIGHT-1-k][1])
9276 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9282 /* Updates forwardMostMove */
9284 MakeMove(fromX, fromY, toX, toY, promoChar)
9285 int fromX, fromY, toX, toY;
9288 // forwardMostMove++; // [HGM] bare: moved downstream
9290 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9291 int timeLeft; static int lastLoadFlag=0; int king, piece;
9292 piece = boards[forwardMostMove][fromY][fromX];
9293 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9294 if(gameInfo.variant == VariantKnightmate)
9295 king += (int) WhiteUnicorn - (int) WhiteKing;
9296 if(forwardMostMove == 0) {
9298 fprintf(serverMoves, "%s;", second.tidy);
9299 fprintf(serverMoves, "%s;", first.tidy);
9300 if(!blackPlaysFirst)
9301 fprintf(serverMoves, "%s;", second.tidy);
9302 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9303 lastLoadFlag = loadFlag;
9305 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9306 // print castling suffix
9307 if( toY == fromY && piece == king ) {
9309 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9311 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9314 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9315 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9316 boards[forwardMostMove][toY][toX] == EmptySquare
9317 && fromX != toX && fromY != toY)
9318 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9320 if(promoChar != NULLCHAR)
9321 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9323 fprintf(serverMoves, "/%d/%d",
9324 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9325 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9326 else timeLeft = blackTimeRemaining/1000;
9327 fprintf(serverMoves, "/%d", timeLeft);
9329 fflush(serverMoves);
9332 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9333 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9337 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9338 if (commentList[forwardMostMove+1] != NULL) {
9339 free(commentList[forwardMostMove+1]);
9340 commentList[forwardMostMove+1] = NULL;
9342 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9343 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9344 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9345 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9346 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9347 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9348 gameInfo.result = GameUnfinished;
9349 if (gameInfo.resultDetails != NULL) {
9350 free(gameInfo.resultDetails);
9351 gameInfo.resultDetails = NULL;
9353 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9354 moveList[forwardMostMove - 1]);
9355 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9356 PosFlags(forwardMostMove - 1),
9357 fromY, fromX, toY, toX, promoChar,
9358 parseList[forwardMostMove - 1]);
9359 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9365 if(gameInfo.variant != VariantShogi)
9366 strcat(parseList[forwardMostMove - 1], "+");
9370 strcat(parseList[forwardMostMove - 1], "#");
9373 if (appData.debugMode) {
9374 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9379 /* Updates currentMove if not pausing */
9381 ShowMove(fromX, fromY, toX, toY)
9383 int instant = (gameMode == PlayFromGameFile) ?
9384 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9385 if(appData.noGUI) return;
9386 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9388 if (forwardMostMove == currentMove + 1) {
9389 AnimateMove(boards[forwardMostMove - 1],
9390 fromX, fromY, toX, toY);
9392 if (appData.highlightLastMove) {
9393 SetHighlights(fromX, fromY, toX, toY);
9396 currentMove = forwardMostMove;
9399 if (instant) return;
9401 DisplayMove(currentMove - 1);
9402 DrawPosition(FALSE, boards[currentMove]);
9403 DisplayBothClocks();
9404 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9405 DisplayBook(currentMove);
9408 void SendEgtPath(ChessProgramState *cps)
9409 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9410 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9412 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9415 char c, *q = name+1, *r, *s;
9417 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9418 while(*p && *p != ',') *q++ = *p++;
9420 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9421 strcmp(name, ",nalimov:") == 0 ) {
9422 // take nalimov path from the menu-changeable option first, if it is defined
9423 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9424 SendToProgram(buf,cps); // send egtbpath command for nalimov
9426 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9427 (s = StrStr(appData.egtFormats, name)) != NULL) {
9428 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9429 s = r = StrStr(s, ":") + 1; // beginning of path info
9430 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9431 c = *r; *r = 0; // temporarily null-terminate path info
9432 *--q = 0; // strip of trailig ':' from name
9433 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9435 SendToProgram(buf,cps); // send egtbpath command for this format
9437 if(*p == ',') p++; // read away comma to position for next format name
9442 InitChessProgram(cps, setup)
9443 ChessProgramState *cps;
9444 int setup; /* [HGM] needed to setup FRC opening position */
9446 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9447 if (appData.noChessProgram) return;
9448 hintRequested = FALSE;
9449 bookRequested = FALSE;
9451 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9452 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9453 if(cps->memSize) { /* [HGM] memory */
9454 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9455 SendToProgram(buf, cps);
9457 SendEgtPath(cps); /* [HGM] EGT */
9458 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9459 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9460 SendToProgram(buf, cps);
9463 SendToProgram(cps->initString, cps);
9464 if (gameInfo.variant != VariantNormal &&
9465 gameInfo.variant != VariantLoadable
9466 /* [HGM] also send variant if board size non-standard */
9467 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9469 char *v = VariantName(gameInfo.variant);
9470 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9471 /* [HGM] in protocol 1 we have to assume all variants valid */
9472 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9473 DisplayFatalError(buf, 0, 1);
9477 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9478 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9479 if( gameInfo.variant == VariantXiangqi )
9480 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9481 if( gameInfo.variant == VariantShogi )
9482 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9483 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9484 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9485 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9486 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9487 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9488 if( gameInfo.variant == VariantCourier )
9489 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9490 if( gameInfo.variant == VariantSuper )
9491 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9492 if( gameInfo.variant == VariantGreat )
9493 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9494 if( gameInfo.variant == VariantSChess )
9495 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9496 if( gameInfo.variant == VariantGrand )
9497 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9500 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9501 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9502 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9503 if(StrStr(cps->variants, b) == NULL) {
9504 // specific sized variant not known, check if general sizing allowed
9505 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9506 if(StrStr(cps->variants, "boardsize") == NULL) {
9507 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9508 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9509 DisplayFatalError(buf, 0, 1);
9512 /* [HGM] here we really should compare with the maximum supported board size */
9515 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9516 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9517 SendToProgram(buf, cps);
9519 currentlyInitializedVariant = gameInfo.variant;
9521 /* [HGM] send opening position in FRC to first engine */
9523 SendToProgram("force\n", cps);
9525 /* engine is now in force mode! Set flag to wake it up after first move. */
9526 setboardSpoiledMachineBlack = 1;
9530 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9531 SendToProgram(buf, cps);
9533 cps->maybeThinking = FALSE;
9534 cps->offeredDraw = 0;
9535 if (!appData.icsActive) {
9536 SendTimeControl(cps, movesPerSession, timeControl,
9537 timeIncrement, appData.searchDepth,
9540 if (appData.showThinking
9541 // [HGM] thinking: four options require thinking output to be sent
9542 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9544 SendToProgram("post\n", cps);
9546 SendToProgram("hard\n", cps);
9547 if (!appData.ponderNextMove) {
9548 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9549 it without being sure what state we are in first. "hard"
9550 is not a toggle, so that one is OK.
9552 SendToProgram("easy\n", cps);
9555 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9556 SendToProgram(buf, cps);
9558 cps->initDone = TRUE;
9559 ClearEngineOutputPane(cps == &second);
9564 StartChessProgram(cps)
9565 ChessProgramState *cps;
9570 if (appData.noChessProgram) return;
9571 cps->initDone = FALSE;
9573 if (strcmp(cps->host, "localhost") == 0) {
9574 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9575 } else if (*appData.remoteShell == NULLCHAR) {
9576 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9578 if (*appData.remoteUser == NULLCHAR) {
9579 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9582 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9583 cps->host, appData.remoteUser, cps->program);
9585 err = StartChildProcess(buf, "", &cps->pr);
9589 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9590 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9591 if(cps != &first) return;
9592 appData.noChessProgram = TRUE;
9595 // DisplayFatalError(buf, err, 1);
9596 // cps->pr = NoProc;
9601 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9602 if (cps->protocolVersion > 1) {
9603 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9604 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9605 cps->comboCnt = 0; // and values of combo boxes
9606 SendToProgram(buf, cps);
9608 SendToProgram("xboard\n", cps);
9613 TwoMachinesEventIfReady P((void))
9615 static int curMess = 0;
9616 if (first.lastPing != first.lastPong) {
9617 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9618 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9621 if (second.lastPing != second.lastPong) {
9622 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9623 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9626 DisplayMessage("", ""); curMess = 0;
9632 MakeName(char *template)
9636 static char buf[MSG_SIZ];
9640 clock = time((time_t *)NULL);
9641 tm = localtime(&clock);
9643 while(*p++ = *template++) if(p[-1] == '%') {
9644 switch(*template++) {
9645 case 0: *p = 0; return buf;
9646 case 'Y': i = tm->tm_year+1900; break;
9647 case 'y': i = tm->tm_year-100; break;
9648 case 'M': i = tm->tm_mon+1; break;
9649 case 'd': i = tm->tm_mday; break;
9650 case 'h': i = tm->tm_hour; break;
9651 case 'm': i = tm->tm_min; break;
9652 case 's': i = tm->tm_sec; break;
9655 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9661 CountPlayers(char *p)
9664 while(p = strchr(p, '\n')) p++, n++; // count participants
9669 WriteTourneyFile(char *results)
9670 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9671 FILE *f = fopen(appData.tourneyFile, "w");
9672 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9673 // create a file with tournament description
9674 fprintf(f, "-participants {%s}\n", appData.participants);
9675 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9676 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9677 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9678 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9679 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9680 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9681 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9682 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9683 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9684 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9685 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9687 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9689 fprintf(f, "-mps %d\n", appData.movesPerSession);
9690 fprintf(f, "-tc %s\n", appData.timeControl);
9691 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9693 fprintf(f, "-results \"%s\"\n", results);
9699 CreateTourney(char *name)
9702 if(name[0] == NULLCHAR) {
9703 if(appData.participants[0])
9704 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9707 f = fopen(name, "r");
9708 if(f) { // file exists
9709 ASSIGN(appData.tourneyFile, name);
9710 ParseArgsFromFile(f); // parse it
9712 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9713 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9714 DisplayError(_("Not enough participants"), 0);
9717 ASSIGN(appData.tourneyFile, name);
9718 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9719 if((f = WriteTourneyFile("")) == NULL) return 0;
9722 appData.noChessProgram = FALSE;
9723 appData.clockMode = TRUE;
9728 #define MAXENGINES 1000
9729 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9731 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9733 char buf[MSG_SIZ], *p, *q;
9737 while(*p && *p != '\n') *q++ = *p++;
9739 if(engineList[i]) free(engineList[i]);
9740 engineList[i] = strdup(buf);
9742 TidyProgramName(engineList[i], "localhost", buf);
9743 if(engineMnemonic[i]) free(engineMnemonic[i]);
9744 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9746 sscanf(q + 8, "%s", buf + strlen(buf));
9749 engineMnemonic[i] = strdup(buf);
9751 if(i > MAXENGINES - 2) break;
9753 engineList[i] = NULL;
9756 // following implemented as macro to avoid type limitations
9757 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9759 void SwapEngines(int n)
9760 { // swap settings for first engine and other engine (so far only some selected options)
9765 SWAP(chessProgram, p)
9767 SWAP(hasOwnBookUCI, h)
9768 SWAP(protocolVersion, h)
9770 SWAP(scoreIsAbsolute, h)
9778 SetPlayer(int player)
9779 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9781 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9782 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9783 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9784 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9786 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9787 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9788 ParseArgsFromString(buf);
9794 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9795 { // determine players from game number
9796 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9798 if(appData.tourneyType == 0) {
9799 roundsPerCycle = (nPlayers - 1) | 1;
9800 pairingsPerRound = nPlayers / 2;
9801 } else if(appData.tourneyType > 0) {
9802 roundsPerCycle = nPlayers - appData.tourneyType;
9803 pairingsPerRound = appData.tourneyType;
9805 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9806 gamesPerCycle = gamesPerRound * roundsPerCycle;
9807 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9808 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9809 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9810 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9811 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9812 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9814 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9815 if(appData.roundSync) *syncInterval = gamesPerRound;
9817 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9819 if(appData.tourneyType == 0) {
9820 if(curPairing == (nPlayers-1)/2 ) {
9821 *whitePlayer = curRound;
9822 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9824 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9825 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9826 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9827 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9829 } else if(appData.tourneyType > 0) {
9830 *whitePlayer = curPairing;
9831 *blackPlayer = curRound + appData.tourneyType;
9834 // take care of white/black alternation per round.
9835 // For cycles and games this is already taken care of by default, derived from matchGame!
9836 return curRound & 1;
9840 NextTourneyGame(int nr, int *swapColors)
9841 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9843 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9845 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9846 tf = fopen(appData.tourneyFile, "r");
9847 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9848 ParseArgsFromFile(tf); fclose(tf);
9849 InitTimeControls(); // TC might be altered from tourney file
9851 nPlayers = CountPlayers(appData.participants); // count participants
9852 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9853 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9856 p = q = appData.results;
9857 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9858 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9859 DisplayMessage(_("Waiting for other game(s)"),"");
9860 waitingForGame = TRUE;
9861 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9864 waitingForGame = FALSE;
9867 if(appData.tourneyType < 0) {
9868 if(nr>=0 && !pairingReceived) {
9870 if(pairing.pr == NoProc) {
9871 if(!appData.pairingEngine[0]) {
9872 DisplayFatalError(_("No pairing engine specified"), 0, 1);
9875 StartChessProgram(&pairing); // starts the pairing engine
9877 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
9878 SendToProgram(buf, &pairing);
9879 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
9880 SendToProgram(buf, &pairing);
9881 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
9883 pairingReceived = 0; // ... so we continue here
9885 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
9886 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
9887 matchGame = 1; roundNr = nr / syncInterval + 1;
9890 if(first.pr != NoProc) return 1; // engines already loaded
9892 // redefine engines, engine dir, etc.
9893 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9894 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9896 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9897 SwapEngines(1); // and make that valid for second engine by swapping
9898 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9899 InitEngine(&second, 1);
9900 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9901 UpdateLogos(FALSE); // leave display to ModeHiglight()
9907 { // performs game initialization that does not invoke engines, and then tries to start the game
9908 int firstWhite, swapColors = 0;
9909 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9910 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9911 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9912 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9913 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9914 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9915 Reset(FALSE, first.pr != NoProc);
9916 appData.noChessProgram = FALSE;
9917 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9921 void UserAdjudicationEvent( int result )
9923 ChessMove gameResult = GameIsDrawn;
9926 gameResult = WhiteWins;
9928 else if( result < 0 ) {
9929 gameResult = BlackWins;
9932 if( gameMode == TwoMachinesPlay ) {
9933 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9938 // [HGM] save: calculate checksum of game to make games easily identifiable
9939 int StringCheckSum(char *s)
9942 if(s==NULL) return 0;
9943 while(*s) i = i*259 + *s++;
9950 for(i=backwardMostMove; i<forwardMostMove; i++) {
9951 sum += pvInfoList[i].depth;
9952 sum += StringCheckSum(parseList[i]);
9953 sum += StringCheckSum(commentList[i]);
9956 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9957 return sum + StringCheckSum(commentList[i]);
9958 } // end of save patch
9961 GameEnds(result, resultDetails, whosays)
9963 char *resultDetails;
9966 GameMode nextGameMode;
9968 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9970 if(endingGame) return; /* [HGM] crash: forbid recursion */
9972 if(twoBoards) { // [HGM] dual: switch back to one board
9973 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9974 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9976 if (appData.debugMode) {
9977 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9978 result, resultDetails ? resultDetails : "(null)", whosays);
9981 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9983 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9984 /* If we are playing on ICS, the server decides when the
9985 game is over, but the engine can offer to draw, claim
9989 if (appData.zippyPlay && first.initDone) {
9990 if (result == GameIsDrawn) {
9991 /* In case draw still needs to be claimed */
9992 SendToICS(ics_prefix);
9993 SendToICS("draw\n");
9994 } else if (StrCaseStr(resultDetails, "resign")) {
9995 SendToICS(ics_prefix);
9996 SendToICS("resign\n");
10000 endingGame = 0; /* [HGM] crash */
10004 /* If we're loading the game from a file, stop */
10005 if (whosays == GE_FILE) {
10006 (void) StopLoadGameTimer();
10010 /* Cancel draw offers */
10011 first.offeredDraw = second.offeredDraw = 0;
10013 /* If this is an ICS game, only ICS can really say it's done;
10014 if not, anyone can. */
10015 isIcsGame = (gameMode == IcsPlayingWhite ||
10016 gameMode == IcsPlayingBlack ||
10017 gameMode == IcsObserving ||
10018 gameMode == IcsExamining);
10020 if (!isIcsGame || whosays == GE_ICS) {
10021 /* OK -- not an ICS game, or ICS said it was done */
10023 if (!isIcsGame && !appData.noChessProgram)
10024 SetUserThinkingEnables();
10026 /* [HGM] if a machine claims the game end we verify this claim */
10027 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10028 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10030 ChessMove trueResult = (ChessMove) -1;
10032 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10033 first.twoMachinesColor[0] :
10034 second.twoMachinesColor[0] ;
10036 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10037 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10038 /* [HGM] verify: engine mate claims accepted if they were flagged */
10039 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10041 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10042 /* [HGM] verify: engine mate claims accepted if they were flagged */
10043 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10045 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10046 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10049 // now verify win claims, but not in drop games, as we don't understand those yet
10050 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10051 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10052 (result == WhiteWins && claimer == 'w' ||
10053 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10054 if (appData.debugMode) {
10055 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10056 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10058 if(result != trueResult) {
10059 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10060 result = claimer == 'w' ? BlackWins : WhiteWins;
10061 resultDetails = buf;
10064 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10065 && (forwardMostMove <= backwardMostMove ||
10066 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10067 (claimer=='b')==(forwardMostMove&1))
10069 /* [HGM] verify: draws that were not flagged are false claims */
10070 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10071 result = claimer == 'w' ? BlackWins : WhiteWins;
10072 resultDetails = buf;
10074 /* (Claiming a loss is accepted no questions asked!) */
10076 /* [HGM] bare: don't allow bare King to win */
10077 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10078 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10079 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10080 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10081 && result != GameIsDrawn)
10082 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10083 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10084 int p = (signed char)boards[forwardMostMove][i][j] - color;
10085 if(p >= 0 && p <= (int)WhiteKing) k++;
10087 if (appData.debugMode) {
10088 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10089 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10092 result = GameIsDrawn;
10093 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10094 resultDetails = buf;
10100 if(serverMoves != NULL && !loadFlag) { char c = '=';
10101 if(result==WhiteWins) c = '+';
10102 if(result==BlackWins) c = '-';
10103 if(resultDetails != NULL)
10104 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
10106 if (resultDetails != NULL) {
10107 gameInfo.result = result;
10108 gameInfo.resultDetails = StrSave(resultDetails);
10110 /* display last move only if game was not loaded from file */
10111 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10112 DisplayMove(currentMove - 1);
10114 if (forwardMostMove != 0) {
10115 if (gameMode != PlayFromGameFile && gameMode != EditGame
10116 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10118 if (*appData.saveGameFile != NULLCHAR) {
10119 SaveGameToFile(appData.saveGameFile, TRUE);
10120 } else if (appData.autoSaveGames) {
10123 if (*appData.savePositionFile != NULLCHAR) {
10124 SavePositionToFile(appData.savePositionFile);
10129 /* Tell program how game ended in case it is learning */
10130 /* [HGM] Moved this to after saving the PGN, just in case */
10131 /* engine died and we got here through time loss. In that */
10132 /* case we will get a fatal error writing the pipe, which */
10133 /* would otherwise lose us the PGN. */
10134 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10135 /* output during GameEnds should never be fatal anymore */
10136 if (gameMode == MachinePlaysWhite ||
10137 gameMode == MachinePlaysBlack ||
10138 gameMode == TwoMachinesPlay ||
10139 gameMode == IcsPlayingWhite ||
10140 gameMode == IcsPlayingBlack ||
10141 gameMode == BeginningOfGame) {
10143 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10145 if (first.pr != NoProc) {
10146 SendToProgram(buf, &first);
10148 if (second.pr != NoProc &&
10149 gameMode == TwoMachinesPlay) {
10150 SendToProgram(buf, &second);
10155 if (appData.icsActive) {
10156 if (appData.quietPlay &&
10157 (gameMode == IcsPlayingWhite ||
10158 gameMode == IcsPlayingBlack)) {
10159 SendToICS(ics_prefix);
10160 SendToICS("set shout 1\n");
10162 nextGameMode = IcsIdle;
10163 ics_user_moved = FALSE;
10164 /* clean up premove. It's ugly when the game has ended and the
10165 * premove highlights are still on the board.
10168 gotPremove = FALSE;
10169 ClearPremoveHighlights();
10170 DrawPosition(FALSE, boards[currentMove]);
10172 if (whosays == GE_ICS) {
10175 if (gameMode == IcsPlayingWhite)
10177 else if(gameMode == IcsPlayingBlack)
10178 PlayIcsLossSound();
10181 if (gameMode == IcsPlayingBlack)
10183 else if(gameMode == IcsPlayingWhite)
10184 PlayIcsLossSound();
10187 PlayIcsDrawSound();
10190 PlayIcsUnfinishedSound();
10193 } else if (gameMode == EditGame ||
10194 gameMode == PlayFromGameFile ||
10195 gameMode == AnalyzeMode ||
10196 gameMode == AnalyzeFile) {
10197 nextGameMode = gameMode;
10199 nextGameMode = EndOfGame;
10204 nextGameMode = gameMode;
10207 if (appData.noChessProgram) {
10208 gameMode = nextGameMode;
10210 endingGame = 0; /* [HGM] crash */
10215 /* Put first chess program into idle state */
10216 if (first.pr != NoProc &&
10217 (gameMode == MachinePlaysWhite ||
10218 gameMode == MachinePlaysBlack ||
10219 gameMode == TwoMachinesPlay ||
10220 gameMode == IcsPlayingWhite ||
10221 gameMode == IcsPlayingBlack ||
10222 gameMode == BeginningOfGame)) {
10223 SendToProgram("force\n", &first);
10224 if (first.usePing) {
10226 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10227 SendToProgram(buf, &first);
10230 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10231 /* Kill off first chess program */
10232 if (first.isr != NULL)
10233 RemoveInputSource(first.isr);
10236 if (first.pr != NoProc) {
10238 DoSleep( appData.delayBeforeQuit );
10239 SendToProgram("quit\n", &first);
10240 DoSleep( appData.delayAfterQuit );
10241 DestroyChildProcess(first.pr, first.useSigterm);
10245 if (second.reuse) {
10246 /* Put second chess program into idle state */
10247 if (second.pr != NoProc &&
10248 gameMode == TwoMachinesPlay) {
10249 SendToProgram("force\n", &second);
10250 if (second.usePing) {
10252 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10253 SendToProgram(buf, &second);
10256 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10257 /* Kill off second chess program */
10258 if (second.isr != NULL)
10259 RemoveInputSource(second.isr);
10262 if (second.pr != NoProc) {
10263 DoSleep( appData.delayBeforeQuit );
10264 SendToProgram("quit\n", &second);
10265 DoSleep( appData.delayAfterQuit );
10266 DestroyChildProcess(second.pr, second.useSigterm);
10268 second.pr = NoProc;
10271 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10272 char resChar = '=';
10276 if (first.twoMachinesColor[0] == 'w') {
10279 second.matchWins++;
10284 if (first.twoMachinesColor[0] == 'b') {
10287 second.matchWins++;
10290 case GameUnfinished:
10296 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10297 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10298 ReserveGame(nextGame, resChar); // sets nextGame
10299 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10300 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10301 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10303 if (nextGame <= appData.matchGames && !abortMatch) {
10304 gameMode = nextGameMode;
10305 matchGame = nextGame; // this will be overruled in tourney mode!
10306 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10307 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10308 endingGame = 0; /* [HGM] crash */
10311 gameMode = nextGameMode;
10312 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10313 first.tidy, second.tidy,
10314 first.matchWins, second.matchWins,
10315 appData.matchGames - (first.matchWins + second.matchWins));
10316 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10317 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10318 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10319 first.twoMachinesColor = "black\n";
10320 second.twoMachinesColor = "white\n";
10322 first.twoMachinesColor = "white\n";
10323 second.twoMachinesColor = "black\n";
10327 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10328 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10330 gameMode = nextGameMode;
10332 endingGame = 0; /* [HGM] crash */
10333 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10334 if(matchMode == TRUE) { // match through command line: exit with or without popup
10336 ToNrEvent(forwardMostMove);
10337 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10339 } else DisplayFatalError(buf, 0, 0);
10340 } else { // match through menu; just stop, with or without popup
10341 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10344 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10345 } else DisplayNote(buf);
10347 if(ranking) free(ranking);
10351 /* Assumes program was just initialized (initString sent).
10352 Leaves program in force mode. */
10354 FeedMovesToProgram(cps, upto)
10355 ChessProgramState *cps;
10360 if (appData.debugMode)
10361 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10362 startedFromSetupPosition ? "position and " : "",
10363 backwardMostMove, upto, cps->which);
10364 if(currentlyInitializedVariant != gameInfo.variant) {
10366 // [HGM] variantswitch: make engine aware of new variant
10367 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10368 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10369 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10370 SendToProgram(buf, cps);
10371 currentlyInitializedVariant = gameInfo.variant;
10373 SendToProgram("force\n", cps);
10374 if (startedFromSetupPosition) {
10375 SendBoard(cps, backwardMostMove);
10376 if (appData.debugMode) {
10377 fprintf(debugFP, "feedMoves\n");
10380 for (i = backwardMostMove; i < upto; i++) {
10381 SendMoveToProgram(i, cps);
10387 ResurrectChessProgram()
10389 /* The chess program may have exited.
10390 If so, restart it and feed it all the moves made so far. */
10391 static int doInit = 0;
10393 if (appData.noChessProgram) return 1;
10395 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10396 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10397 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10398 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10400 if (first.pr != NoProc) return 1;
10401 StartChessProgram(&first);
10403 InitChessProgram(&first, FALSE);
10404 FeedMovesToProgram(&first, currentMove);
10406 if (!first.sendTime) {
10407 /* can't tell gnuchess what its clock should read,
10408 so we bow to its notion. */
10410 timeRemaining[0][currentMove] = whiteTimeRemaining;
10411 timeRemaining[1][currentMove] = blackTimeRemaining;
10414 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10415 appData.icsEngineAnalyze) && first.analysisSupport) {
10416 SendToProgram("analyze\n", &first);
10417 first.analyzing = TRUE;
10423 * Button procedures
10426 Reset(redraw, init)
10431 if (appData.debugMode) {
10432 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10433 redraw, init, gameMode);
10435 CleanupTail(); // [HGM] vari: delete any stored variations
10436 pausing = pauseExamInvalid = FALSE;
10437 startedFromSetupPosition = blackPlaysFirst = FALSE;
10439 whiteFlag = blackFlag = FALSE;
10440 userOfferedDraw = FALSE;
10441 hintRequested = bookRequested = FALSE;
10442 first.maybeThinking = FALSE;
10443 second.maybeThinking = FALSE;
10444 first.bookSuspend = FALSE; // [HGM] book
10445 second.bookSuspend = FALSE;
10446 thinkOutput[0] = NULLCHAR;
10447 lastHint[0] = NULLCHAR;
10448 ClearGameInfo(&gameInfo);
10449 gameInfo.variant = StringToVariant(appData.variant);
10450 ics_user_moved = ics_clock_paused = FALSE;
10451 ics_getting_history = H_FALSE;
10453 white_holding[0] = black_holding[0] = NULLCHAR;
10454 ClearProgramStats();
10455 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10459 flipView = appData.flipView;
10460 ClearPremoveHighlights();
10461 gotPremove = FALSE;
10462 alarmSounded = FALSE;
10464 GameEnds(EndOfFile, NULL, GE_PLAYER);
10465 if(appData.serverMovesName != NULL) {
10466 /* [HGM] prepare to make moves file for broadcasting */
10467 clock_t t = clock();
10468 if(serverMoves != NULL) fclose(serverMoves);
10469 serverMoves = fopen(appData.serverMovesName, "r");
10470 if(serverMoves != NULL) {
10471 fclose(serverMoves);
10472 /* delay 15 sec before overwriting, so all clients can see end */
10473 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10475 serverMoves = fopen(appData.serverMovesName, "w");
10479 gameMode = BeginningOfGame;
10481 if(appData.icsActive) gameInfo.variant = VariantNormal;
10482 currentMove = forwardMostMove = backwardMostMove = 0;
10483 InitPosition(redraw);
10484 for (i = 0; i < MAX_MOVES; i++) {
10485 if (commentList[i] != NULL) {
10486 free(commentList[i]);
10487 commentList[i] = NULL;
10491 timeRemaining[0][0] = whiteTimeRemaining;
10492 timeRemaining[1][0] = blackTimeRemaining;
10494 if (first.pr == NULL) {
10495 StartChessProgram(&first);
10498 InitChessProgram(&first, startedFromSetupPosition);
10501 DisplayMessage("", "");
10502 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10503 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10510 if (!AutoPlayOneMove())
10512 if (matchMode || appData.timeDelay == 0)
10514 if (appData.timeDelay < 0)
10516 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10525 int fromX, fromY, toX, toY;
10527 if (appData.debugMode) {
10528 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10531 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10534 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10535 pvInfoList[currentMove].depth = programStats.depth;
10536 pvInfoList[currentMove].score = programStats.score;
10537 pvInfoList[currentMove].time = 0;
10538 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10541 if (currentMove >= forwardMostMove) {
10542 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10543 gameMode = EditGame;
10546 /* [AS] Clear current move marker at the end of a game */
10547 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10552 toX = moveList[currentMove][2] - AAA;
10553 toY = moveList[currentMove][3] - ONE;
10555 if (moveList[currentMove][1] == '@') {
10556 if (appData.highlightLastMove) {
10557 SetHighlights(-1, -1, toX, toY);
10560 fromX = moveList[currentMove][0] - AAA;
10561 fromY = moveList[currentMove][1] - ONE;
10563 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10565 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10567 if (appData.highlightLastMove) {
10568 SetHighlights(fromX, fromY, toX, toY);
10571 DisplayMove(currentMove);
10572 SendMoveToProgram(currentMove++, &first);
10573 DisplayBothClocks();
10574 DrawPosition(FALSE, boards[currentMove]);
10575 // [HGM] PV info: always display, routine tests if empty
10576 DisplayComment(currentMove - 1, commentList[currentMove]);
10582 LoadGameOneMove(readAhead)
10583 ChessMove readAhead;
10585 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10586 char promoChar = NULLCHAR;
10587 ChessMove moveType;
10588 char move[MSG_SIZ];
10591 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10592 gameMode != AnalyzeMode && gameMode != Training) {
10597 yyboardindex = forwardMostMove;
10598 if (readAhead != EndOfFile) {
10599 moveType = readAhead;
10601 if (gameFileFP == NULL)
10603 moveType = (ChessMove) Myylex();
10607 switch (moveType) {
10609 if (appData.debugMode)
10610 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10613 /* append the comment but don't display it */
10614 AppendComment(currentMove, p, FALSE);
10617 case WhiteCapturesEnPassant:
10618 case BlackCapturesEnPassant:
10619 case WhitePromotion:
10620 case BlackPromotion:
10621 case WhiteNonPromotion:
10622 case BlackNonPromotion:
10624 case WhiteKingSideCastle:
10625 case WhiteQueenSideCastle:
10626 case BlackKingSideCastle:
10627 case BlackQueenSideCastle:
10628 case WhiteKingSideCastleWild:
10629 case WhiteQueenSideCastleWild:
10630 case BlackKingSideCastleWild:
10631 case BlackQueenSideCastleWild:
10633 case WhiteHSideCastleFR:
10634 case WhiteASideCastleFR:
10635 case BlackHSideCastleFR:
10636 case BlackASideCastleFR:
10638 if (appData.debugMode)
10639 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10640 fromX = currentMoveString[0] - AAA;
10641 fromY = currentMoveString[1] - ONE;
10642 toX = currentMoveString[2] - AAA;
10643 toY = currentMoveString[3] - ONE;
10644 promoChar = currentMoveString[4];
10649 if (appData.debugMode)
10650 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10651 fromX = moveType == WhiteDrop ?
10652 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10653 (int) CharToPiece(ToLower(currentMoveString[0]));
10655 toX = currentMoveString[2] - AAA;
10656 toY = currentMoveString[3] - ONE;
10662 case GameUnfinished:
10663 if (appData.debugMode)
10664 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10665 p = strchr(yy_text, '{');
10666 if (p == NULL) p = strchr(yy_text, '(');
10669 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10671 q = strchr(p, *p == '{' ? '}' : ')');
10672 if (q != NULL) *q = NULLCHAR;
10675 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10676 GameEnds(moveType, p, GE_FILE);
10678 if (cmailMsgLoaded) {
10680 flipView = WhiteOnMove(currentMove);
10681 if (moveType == GameUnfinished) flipView = !flipView;
10682 if (appData.debugMode)
10683 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10688 if (appData.debugMode)
10689 fprintf(debugFP, "Parser hit end of file\n");
10690 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10696 if (WhiteOnMove(currentMove)) {
10697 GameEnds(BlackWins, "Black mates", GE_FILE);
10699 GameEnds(WhiteWins, "White mates", GE_FILE);
10703 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10709 case MoveNumberOne:
10710 if (lastLoadGameStart == GNUChessGame) {
10711 /* GNUChessGames have numbers, but they aren't move numbers */
10712 if (appData.debugMode)
10713 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10714 yy_text, (int) moveType);
10715 return LoadGameOneMove(EndOfFile); /* tail recursion */
10717 /* else fall thru */
10722 /* Reached start of next game in file */
10723 if (appData.debugMode)
10724 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10725 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10731 if (WhiteOnMove(currentMove)) {
10732 GameEnds(BlackWins, "Black mates", GE_FILE);
10734 GameEnds(WhiteWins, "White mates", GE_FILE);
10738 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10744 case PositionDiagram: /* should not happen; ignore */
10745 case ElapsedTime: /* ignore */
10746 case NAG: /* ignore */
10747 if (appData.debugMode)
10748 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10749 yy_text, (int) moveType);
10750 return LoadGameOneMove(EndOfFile); /* tail recursion */
10753 if (appData.testLegality) {
10754 if (appData.debugMode)
10755 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10756 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10757 (forwardMostMove / 2) + 1,
10758 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10759 DisplayError(move, 0);
10762 if (appData.debugMode)
10763 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10764 yy_text, currentMoveString);
10765 fromX = currentMoveString[0] - AAA;
10766 fromY = currentMoveString[1] - ONE;
10767 toX = currentMoveString[2] - AAA;
10768 toY = currentMoveString[3] - ONE;
10769 promoChar = currentMoveString[4];
10773 case AmbiguousMove:
10774 if (appData.debugMode)
10775 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10776 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10777 (forwardMostMove / 2) + 1,
10778 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10779 DisplayError(move, 0);
10784 case ImpossibleMove:
10785 if (appData.debugMode)
10786 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10787 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10788 (forwardMostMove / 2) + 1,
10789 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10790 DisplayError(move, 0);
10796 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10797 DrawPosition(FALSE, boards[currentMove]);
10798 DisplayBothClocks();
10799 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10800 DisplayComment(currentMove - 1, commentList[currentMove]);
10802 (void) StopLoadGameTimer();
10804 cmailOldMove = forwardMostMove;
10807 /* currentMoveString is set as a side-effect of yylex */
10809 thinkOutput[0] = NULLCHAR;
10810 MakeMove(fromX, fromY, toX, toY, promoChar);
10811 currentMove = forwardMostMove;
10816 /* Load the nth game from the given file */
10818 LoadGameFromFile(filename, n, title, useList)
10822 /*Boolean*/ int useList;
10827 if (strcmp(filename, "-") == 0) {
10831 f = fopen(filename, "rb");
10833 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10834 DisplayError(buf, errno);
10838 if (fseek(f, 0, 0) == -1) {
10839 /* f is not seekable; probably a pipe */
10842 if (useList && n == 0) {
10843 int error = GameListBuild(f);
10845 DisplayError(_("Cannot build game list"), error);
10846 } else if (!ListEmpty(&gameList) &&
10847 ((ListGame *) gameList.tailPred)->number > 1) {
10848 GameListPopUp(f, title);
10855 return LoadGame(f, n, title, FALSE);
10860 MakeRegisteredMove()
10862 int fromX, fromY, toX, toY;
10864 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10865 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10868 if (appData.debugMode)
10869 fprintf(debugFP, "Restoring %s for game %d\n",
10870 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10872 thinkOutput[0] = NULLCHAR;
10873 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10874 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10875 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10876 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10877 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10878 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10879 MakeMove(fromX, fromY, toX, toY, promoChar);
10880 ShowMove(fromX, fromY, toX, toY);
10882 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10889 if (WhiteOnMove(currentMove)) {
10890 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10892 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10897 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10904 if (WhiteOnMove(currentMove)) {
10905 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10907 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10912 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10923 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10925 CmailLoadGame(f, gameNumber, title, useList)
10933 if (gameNumber > nCmailGames) {
10934 DisplayError(_("No more games in this message"), 0);
10937 if (f == lastLoadGameFP) {
10938 int offset = gameNumber - lastLoadGameNumber;
10940 cmailMsg[0] = NULLCHAR;
10941 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10942 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10943 nCmailMovesRegistered--;
10945 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10946 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10947 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10950 if (! RegisterMove()) return FALSE;
10954 retVal = LoadGame(f, gameNumber, title, useList);
10956 /* Make move registered during previous look at this game, if any */
10957 MakeRegisteredMove();
10959 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10960 commentList[currentMove]
10961 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10962 DisplayComment(currentMove - 1, commentList[currentMove]);
10968 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10973 int gameNumber = lastLoadGameNumber + offset;
10974 if (lastLoadGameFP == NULL) {
10975 DisplayError(_("No game has been loaded yet"), 0);
10978 if (gameNumber <= 0) {
10979 DisplayError(_("Can't back up any further"), 0);
10982 if (cmailMsgLoaded) {
10983 return CmailLoadGame(lastLoadGameFP, gameNumber,
10984 lastLoadGameTitle, lastLoadGameUseList);
10986 return LoadGame(lastLoadGameFP, gameNumber,
10987 lastLoadGameTitle, lastLoadGameUseList);
10993 /* Load the nth game from open file f */
10995 LoadGame(f, gameNumber, title, useList)
11003 int gn = gameNumber;
11004 ListGame *lg = NULL;
11005 int numPGNTags = 0;
11007 GameMode oldGameMode;
11008 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11010 if (appData.debugMode)
11011 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11013 if (gameMode == Training )
11014 SetTrainingModeOff();
11016 oldGameMode = gameMode;
11017 if (gameMode != BeginningOfGame) {
11018 Reset(FALSE, TRUE);
11022 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11023 fclose(lastLoadGameFP);
11027 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11030 fseek(f, lg->offset, 0);
11031 GameListHighlight(gameNumber);
11035 DisplayError(_("Game number out of range"), 0);
11040 if (fseek(f, 0, 0) == -1) {
11041 if (f == lastLoadGameFP ?
11042 gameNumber == lastLoadGameNumber + 1 :
11046 DisplayError(_("Can't seek on game file"), 0);
11051 lastLoadGameFP = f;
11052 lastLoadGameNumber = gameNumber;
11053 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11054 lastLoadGameUseList = useList;
11058 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11059 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11060 lg->gameInfo.black);
11062 } else if (*title != NULLCHAR) {
11063 if (gameNumber > 1) {
11064 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11067 DisplayTitle(title);
11071 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11072 gameMode = PlayFromGameFile;
11076 currentMove = forwardMostMove = backwardMostMove = 0;
11077 CopyBoard(boards[0], initialPosition);
11081 * Skip the first gn-1 games in the file.
11082 * Also skip over anything that precedes an identifiable
11083 * start of game marker, to avoid being confused by
11084 * garbage at the start of the file. Currently
11085 * recognized start of game markers are the move number "1",
11086 * the pattern "gnuchess .* game", the pattern
11087 * "^[#;%] [^ ]* game file", and a PGN tag block.
11088 * A game that starts with one of the latter two patterns
11089 * will also have a move number 1, possibly
11090 * following a position diagram.
11091 * 5-4-02: Let's try being more lenient and allowing a game to
11092 * start with an unnumbered move. Does that break anything?
11094 cm = lastLoadGameStart = EndOfFile;
11096 yyboardindex = forwardMostMove;
11097 cm = (ChessMove) Myylex();
11100 if (cmailMsgLoaded) {
11101 nCmailGames = CMAIL_MAX_GAMES - gn;
11104 DisplayError(_("Game not found in file"), 0);
11111 lastLoadGameStart = cm;
11114 case MoveNumberOne:
11115 switch (lastLoadGameStart) {
11120 case MoveNumberOne:
11122 gn--; /* count this game */
11123 lastLoadGameStart = cm;
11132 switch (lastLoadGameStart) {
11135 case MoveNumberOne:
11137 gn--; /* count this game */
11138 lastLoadGameStart = cm;
11141 lastLoadGameStart = cm; /* game counted already */
11149 yyboardindex = forwardMostMove;
11150 cm = (ChessMove) Myylex();
11151 } while (cm == PGNTag || cm == Comment);
11158 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11159 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11160 != CMAIL_OLD_RESULT) {
11162 cmailResult[ CMAIL_MAX_GAMES
11163 - gn - 1] = CMAIL_OLD_RESULT;
11169 /* Only a NormalMove can be at the start of a game
11170 * without a position diagram. */
11171 if (lastLoadGameStart == EndOfFile ) {
11173 lastLoadGameStart = MoveNumberOne;
11182 if (appData.debugMode)
11183 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11185 if (cm == XBoardGame) {
11186 /* Skip any header junk before position diagram and/or move 1 */
11188 yyboardindex = forwardMostMove;
11189 cm = (ChessMove) Myylex();
11191 if (cm == EndOfFile ||
11192 cm == GNUChessGame || cm == XBoardGame) {
11193 /* Empty game; pretend end-of-file and handle later */
11198 if (cm == MoveNumberOne || cm == PositionDiagram ||
11199 cm == PGNTag || cm == Comment)
11202 } else if (cm == GNUChessGame) {
11203 if (gameInfo.event != NULL) {
11204 free(gameInfo.event);
11206 gameInfo.event = StrSave(yy_text);
11209 startedFromSetupPosition = FALSE;
11210 while (cm == PGNTag) {
11211 if (appData.debugMode)
11212 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11213 err = ParsePGNTag(yy_text, &gameInfo);
11214 if (!err) numPGNTags++;
11216 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11217 if(gameInfo.variant != oldVariant) {
11218 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11219 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11220 InitPosition(TRUE);
11221 oldVariant = gameInfo.variant;
11222 if (appData.debugMode)
11223 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11227 if (gameInfo.fen != NULL) {
11228 Board initial_position;
11229 startedFromSetupPosition = TRUE;
11230 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11232 DisplayError(_("Bad FEN position in file"), 0);
11235 CopyBoard(boards[0], initial_position);
11236 if (blackPlaysFirst) {
11237 currentMove = forwardMostMove = backwardMostMove = 1;
11238 CopyBoard(boards[1], initial_position);
11239 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11240 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11241 timeRemaining[0][1] = whiteTimeRemaining;
11242 timeRemaining[1][1] = blackTimeRemaining;
11243 if (commentList[0] != NULL) {
11244 commentList[1] = commentList[0];
11245 commentList[0] = NULL;
11248 currentMove = forwardMostMove = backwardMostMove = 0;
11250 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11252 initialRulePlies = FENrulePlies;
11253 for( i=0; i< nrCastlingRights; i++ )
11254 initialRights[i] = initial_position[CASTLING][i];
11256 yyboardindex = forwardMostMove;
11257 free(gameInfo.fen);
11258 gameInfo.fen = NULL;
11261 yyboardindex = forwardMostMove;
11262 cm = (ChessMove) Myylex();
11264 /* Handle comments interspersed among the tags */
11265 while (cm == Comment) {
11267 if (appData.debugMode)
11268 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11270 AppendComment(currentMove, p, FALSE);
11271 yyboardindex = forwardMostMove;
11272 cm = (ChessMove) Myylex();
11276 /* don't rely on existence of Event tag since if game was
11277 * pasted from clipboard the Event tag may not exist
11279 if (numPGNTags > 0){
11281 if (gameInfo.variant == VariantNormal) {
11282 VariantClass v = StringToVariant(gameInfo.event);
11283 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11284 if(v < VariantShogi) gameInfo.variant = v;
11287 if( appData.autoDisplayTags ) {
11288 tags = PGNTags(&gameInfo);
11289 TagsPopUp(tags, CmailMsg());
11294 /* Make something up, but don't display it now */
11299 if (cm == PositionDiagram) {
11302 Board initial_position;
11304 if (appData.debugMode)
11305 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11307 if (!startedFromSetupPosition) {
11309 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11310 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11321 initial_position[i][j++] = CharToPiece(*p);
11324 while (*p == ' ' || *p == '\t' ||
11325 *p == '\n' || *p == '\r') p++;
11327 if (strncmp(p, "black", strlen("black"))==0)
11328 blackPlaysFirst = TRUE;
11330 blackPlaysFirst = FALSE;
11331 startedFromSetupPosition = TRUE;
11333 CopyBoard(boards[0], initial_position);
11334 if (blackPlaysFirst) {
11335 currentMove = forwardMostMove = backwardMostMove = 1;
11336 CopyBoard(boards[1], initial_position);
11337 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11338 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11339 timeRemaining[0][1] = whiteTimeRemaining;
11340 timeRemaining[1][1] = blackTimeRemaining;
11341 if (commentList[0] != NULL) {
11342 commentList[1] = commentList[0];
11343 commentList[0] = NULL;
11346 currentMove = forwardMostMove = backwardMostMove = 0;
11349 yyboardindex = forwardMostMove;
11350 cm = (ChessMove) Myylex();
11353 if (first.pr == NoProc) {
11354 StartChessProgram(&first);
11356 InitChessProgram(&first, FALSE);
11357 SendToProgram("force\n", &first);
11358 if (startedFromSetupPosition) {
11359 SendBoard(&first, forwardMostMove);
11360 if (appData.debugMode) {
11361 fprintf(debugFP, "Load Game\n");
11363 DisplayBothClocks();
11366 /* [HGM] server: flag to write setup moves in broadcast file as one */
11367 loadFlag = appData.suppressLoadMoves;
11369 while (cm == Comment) {
11371 if (appData.debugMode)
11372 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11374 AppendComment(currentMove, p, FALSE);
11375 yyboardindex = forwardMostMove;
11376 cm = (ChessMove) Myylex();
11379 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11380 cm == WhiteWins || cm == BlackWins ||
11381 cm == GameIsDrawn || cm == GameUnfinished) {
11382 DisplayMessage("", _("No moves in game"));
11383 if (cmailMsgLoaded) {
11384 if (appData.debugMode)
11385 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11389 DrawPosition(FALSE, boards[currentMove]);
11390 DisplayBothClocks();
11391 gameMode = EditGame;
11398 // [HGM] PV info: routine tests if comment empty
11399 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11400 DisplayComment(currentMove - 1, commentList[currentMove]);
11402 if (!matchMode && appData.timeDelay != 0)
11403 DrawPosition(FALSE, boards[currentMove]);
11405 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11406 programStats.ok_to_send = 1;
11409 /* if the first token after the PGN tags is a move
11410 * and not move number 1, retrieve it from the parser
11412 if (cm != MoveNumberOne)
11413 LoadGameOneMove(cm);
11415 /* load the remaining moves from the file */
11416 while (LoadGameOneMove(EndOfFile)) {
11417 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11418 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11421 /* rewind to the start of the game */
11422 currentMove = backwardMostMove;
11424 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11426 if (oldGameMode == AnalyzeFile ||
11427 oldGameMode == AnalyzeMode) {
11428 AnalyzeFileEvent();
11431 if (matchMode || appData.timeDelay == 0) {
11433 gameMode = EditGame;
11435 } else if (appData.timeDelay > 0) {
11436 AutoPlayGameLoop();
11439 if (appData.debugMode)
11440 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11442 loadFlag = 0; /* [HGM] true game starts */
11446 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11448 ReloadPosition(offset)
11451 int positionNumber = lastLoadPositionNumber + offset;
11452 if (lastLoadPositionFP == NULL) {
11453 DisplayError(_("No position has been loaded yet"), 0);
11456 if (positionNumber <= 0) {
11457 DisplayError(_("Can't back up any further"), 0);
11460 return LoadPosition(lastLoadPositionFP, positionNumber,
11461 lastLoadPositionTitle);
11464 /* Load the nth position from the given file */
11466 LoadPositionFromFile(filename, n, title)
11474 if (strcmp(filename, "-") == 0) {
11475 return LoadPosition(stdin, n, "stdin");
11477 f = fopen(filename, "rb");
11479 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11480 DisplayError(buf, errno);
11483 return LoadPosition(f, n, title);
11488 /* Load the nth position from the given open file, and close it */
11490 LoadPosition(f, positionNumber, title)
11492 int positionNumber;
11495 char *p, line[MSG_SIZ];
11496 Board initial_position;
11497 int i, j, fenMode, pn;
11499 if (gameMode == Training )
11500 SetTrainingModeOff();
11502 if (gameMode != BeginningOfGame) {
11503 Reset(FALSE, TRUE);
11505 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11506 fclose(lastLoadPositionFP);
11508 if (positionNumber == 0) positionNumber = 1;
11509 lastLoadPositionFP = f;
11510 lastLoadPositionNumber = positionNumber;
11511 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11512 if (first.pr == NoProc) {
11513 StartChessProgram(&first);
11514 InitChessProgram(&first, FALSE);
11516 pn = positionNumber;
11517 if (positionNumber < 0) {
11518 /* Negative position number means to seek to that byte offset */
11519 if (fseek(f, -positionNumber, 0) == -1) {
11520 DisplayError(_("Can't seek on position file"), 0);
11525 if (fseek(f, 0, 0) == -1) {
11526 if (f == lastLoadPositionFP ?
11527 positionNumber == lastLoadPositionNumber + 1 :
11528 positionNumber == 1) {
11531 DisplayError(_("Can't seek on position file"), 0);
11536 /* See if this file is FEN or old-style xboard */
11537 if (fgets(line, MSG_SIZ, f) == NULL) {
11538 DisplayError(_("Position not found in file"), 0);
11541 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11542 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11545 if (fenMode || line[0] == '#') pn--;
11547 /* skip positions before number pn */
11548 if (fgets(line, MSG_SIZ, f) == NULL) {
11550 DisplayError(_("Position not found in file"), 0);
11553 if (fenMode || line[0] == '#') pn--;
11558 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11559 DisplayError(_("Bad FEN position in file"), 0);
11563 (void) fgets(line, MSG_SIZ, f);
11564 (void) fgets(line, MSG_SIZ, f);
11566 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11567 (void) fgets(line, MSG_SIZ, f);
11568 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11571 initial_position[i][j++] = CharToPiece(*p);
11575 blackPlaysFirst = FALSE;
11577 (void) fgets(line, MSG_SIZ, f);
11578 if (strncmp(line, "black", strlen("black"))==0)
11579 blackPlaysFirst = TRUE;
11582 startedFromSetupPosition = TRUE;
11584 SendToProgram("force\n", &first);
11585 CopyBoard(boards[0], initial_position);
11586 if (blackPlaysFirst) {
11587 currentMove = forwardMostMove = backwardMostMove = 1;
11588 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11589 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11590 CopyBoard(boards[1], initial_position);
11591 DisplayMessage("", _("Black to play"));
11593 currentMove = forwardMostMove = backwardMostMove = 0;
11594 DisplayMessage("", _("White to play"));
11596 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11597 SendBoard(&first, forwardMostMove);
11598 if (appData.debugMode) {
11600 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11601 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11602 fprintf(debugFP, "Load Position\n");
11605 if (positionNumber > 1) {
11606 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11607 DisplayTitle(line);
11609 DisplayTitle(title);
11611 gameMode = EditGame;
11614 timeRemaining[0][1] = whiteTimeRemaining;
11615 timeRemaining[1][1] = blackTimeRemaining;
11616 DrawPosition(FALSE, boards[currentMove]);
11623 CopyPlayerNameIntoFileName(dest, src)
11626 while (*src != NULLCHAR && *src != ',') {
11631 *(*dest)++ = *src++;
11636 char *DefaultFileName(ext)
11639 static char def[MSG_SIZ];
11642 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11644 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11646 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11648 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11655 /* Save the current game to the given file */
11657 SaveGameToFile(filename, append)
11665 if (strcmp(filename, "-") == 0) {
11666 return SaveGame(stdout, 0, NULL);
11668 f = fopen(filename, append ? "a" : "w");
11670 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11671 DisplayError(buf, errno);
11674 safeStrCpy(buf, lastMsg, MSG_SIZ);
11675 DisplayMessage(_("Waiting for access to save file"), "");
11676 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11677 DisplayMessage(_("Saving game"), "");
11678 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11679 result = SaveGame(f, 0, NULL);
11680 DisplayMessage(buf, "");
11690 static char buf[MSG_SIZ];
11693 p = strchr(str, ' ');
11694 if (p == NULL) return str;
11695 strncpy(buf, str, p - str);
11696 buf[p - str] = NULLCHAR;
11700 #define PGN_MAX_LINE 75
11702 #define PGN_SIDE_WHITE 0
11703 #define PGN_SIDE_BLACK 1
11706 static int FindFirstMoveOutOfBook( int side )
11710 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11711 int index = backwardMostMove;
11712 int has_book_hit = 0;
11714 if( (index % 2) != side ) {
11718 while( index < forwardMostMove ) {
11719 /* Check to see if engine is in book */
11720 int depth = pvInfoList[index].depth;
11721 int score = pvInfoList[index].score;
11727 else if( score == 0 && depth == 63 ) {
11728 in_book = 1; /* Zappa */
11730 else if( score == 2 && depth == 99 ) {
11731 in_book = 1; /* Abrok */
11734 has_book_hit += in_book;
11750 void GetOutOfBookInfo( char * buf )
11754 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11756 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11757 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11761 if( oob[0] >= 0 || oob[1] >= 0 ) {
11762 for( i=0; i<2; i++ ) {
11766 if( i > 0 && oob[0] >= 0 ) {
11767 strcat( buf, " " );
11770 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11771 sprintf( buf+strlen(buf), "%s%.2f",
11772 pvInfoList[idx].score >= 0 ? "+" : "",
11773 pvInfoList[idx].score / 100.0 );
11779 /* Save game in PGN style and close the file */
11784 int i, offset, linelen, newblock;
11788 int movelen, numlen, blank;
11789 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11791 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11793 tm = time((time_t *) NULL);
11795 PrintPGNTags(f, &gameInfo);
11797 if (backwardMostMove > 0 || startedFromSetupPosition) {
11798 char *fen = PositionToFEN(backwardMostMove, NULL);
11799 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11800 fprintf(f, "\n{--------------\n");
11801 PrintPosition(f, backwardMostMove);
11802 fprintf(f, "--------------}\n");
11806 /* [AS] Out of book annotation */
11807 if( appData.saveOutOfBookInfo ) {
11810 GetOutOfBookInfo( buf );
11812 if( buf[0] != '\0' ) {
11813 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11820 i = backwardMostMove;
11824 while (i < forwardMostMove) {
11825 /* Print comments preceding this move */
11826 if (commentList[i] != NULL) {
11827 if (linelen > 0) fprintf(f, "\n");
11828 fprintf(f, "%s", commentList[i]);
11833 /* Format move number */
11835 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11838 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11840 numtext[0] = NULLCHAR;
11842 numlen = strlen(numtext);
11845 /* Print move number */
11846 blank = linelen > 0 && numlen > 0;
11847 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11856 fprintf(f, "%s", numtext);
11860 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11861 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11864 blank = linelen > 0 && movelen > 0;
11865 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11874 fprintf(f, "%s", move_buffer);
11875 linelen += movelen;
11877 /* [AS] Add PV info if present */
11878 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11879 /* [HGM] add time */
11880 char buf[MSG_SIZ]; int seconds;
11882 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11888 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11891 seconds = (seconds + 4)/10; // round to full seconds
11893 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11895 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11898 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11899 pvInfoList[i].score >= 0 ? "+" : "",
11900 pvInfoList[i].score / 100.0,
11901 pvInfoList[i].depth,
11904 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11906 /* Print score/depth */
11907 blank = linelen > 0 && movelen > 0;
11908 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11917 fprintf(f, "%s", move_buffer);
11918 linelen += movelen;
11924 /* Start a new line */
11925 if (linelen > 0) fprintf(f, "\n");
11927 /* Print comments after last move */
11928 if (commentList[i] != NULL) {
11929 fprintf(f, "%s\n", commentList[i]);
11933 if (gameInfo.resultDetails != NULL &&
11934 gameInfo.resultDetails[0] != NULLCHAR) {
11935 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11936 PGNResult(gameInfo.result));
11938 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11942 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11946 /* Save game in old style and close the file */
11948 SaveGameOldStyle(f)
11954 tm = time((time_t *) NULL);
11956 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11959 if (backwardMostMove > 0 || startedFromSetupPosition) {
11960 fprintf(f, "\n[--------------\n");
11961 PrintPosition(f, backwardMostMove);
11962 fprintf(f, "--------------]\n");
11967 i = backwardMostMove;
11968 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11970 while (i < forwardMostMove) {
11971 if (commentList[i] != NULL) {
11972 fprintf(f, "[%s]\n", commentList[i]);
11975 if ((i % 2) == 1) {
11976 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11979 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11981 if (commentList[i] != NULL) {
11985 if (i >= forwardMostMove) {
11989 fprintf(f, "%s\n", parseList[i]);
11994 if (commentList[i] != NULL) {
11995 fprintf(f, "[%s]\n", commentList[i]);
11998 /* This isn't really the old style, but it's close enough */
11999 if (gameInfo.resultDetails != NULL &&
12000 gameInfo.resultDetails[0] != NULLCHAR) {
12001 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12002 gameInfo.resultDetails);
12004 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12011 /* Save the current game to open file f and close the file */
12013 SaveGame(f, dummy, dummy2)
12018 if (gameMode == EditPosition) EditPositionDone(TRUE);
12019 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12020 if (appData.oldSaveStyle)
12021 return SaveGameOldStyle(f);
12023 return SaveGamePGN(f);
12026 /* Save the current position to the given file */
12028 SavePositionToFile(filename)
12034 if (strcmp(filename, "-") == 0) {
12035 return SavePosition(stdout, 0, NULL);
12037 f = fopen(filename, "a");
12039 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12040 DisplayError(buf, errno);
12043 safeStrCpy(buf, lastMsg, MSG_SIZ);
12044 DisplayMessage(_("Waiting for access to save file"), "");
12045 flock(fileno(f), LOCK_EX); // [HGM] lock
12046 DisplayMessage(_("Saving position"), "");
12047 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12048 SavePosition(f, 0, NULL);
12049 DisplayMessage(buf, "");
12055 /* Save the current position to the given open file and close the file */
12057 SavePosition(f, dummy, dummy2)
12065 if (gameMode == EditPosition) EditPositionDone(TRUE);
12066 if (appData.oldSaveStyle) {
12067 tm = time((time_t *) NULL);
12069 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12071 fprintf(f, "[--------------\n");
12072 PrintPosition(f, currentMove);
12073 fprintf(f, "--------------]\n");
12075 fen = PositionToFEN(currentMove, NULL);
12076 fprintf(f, "%s\n", fen);
12084 ReloadCmailMsgEvent(unregister)
12088 static char *inFilename = NULL;
12089 static char *outFilename;
12091 struct stat inbuf, outbuf;
12094 /* Any registered moves are unregistered if unregister is set, */
12095 /* i.e. invoked by the signal handler */
12097 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12098 cmailMoveRegistered[i] = FALSE;
12099 if (cmailCommentList[i] != NULL) {
12100 free(cmailCommentList[i]);
12101 cmailCommentList[i] = NULL;
12104 nCmailMovesRegistered = 0;
12107 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12108 cmailResult[i] = CMAIL_NOT_RESULT;
12112 if (inFilename == NULL) {
12113 /* Because the filenames are static they only get malloced once */
12114 /* and they never get freed */
12115 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12116 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12118 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12119 sprintf(outFilename, "%s.out", appData.cmailGameName);
12122 status = stat(outFilename, &outbuf);
12124 cmailMailedMove = FALSE;
12126 status = stat(inFilename, &inbuf);
12127 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12130 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12131 counts the games, notes how each one terminated, etc.
12133 It would be nice to remove this kludge and instead gather all
12134 the information while building the game list. (And to keep it
12135 in the game list nodes instead of having a bunch of fixed-size
12136 parallel arrays.) Note this will require getting each game's
12137 termination from the PGN tags, as the game list builder does
12138 not process the game moves. --mann
12140 cmailMsgLoaded = TRUE;
12141 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12143 /* Load first game in the file or popup game menu */
12144 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12146 #endif /* !WIN32 */
12154 char string[MSG_SIZ];
12156 if ( cmailMailedMove
12157 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12158 return TRUE; /* Allow free viewing */
12161 /* Unregister move to ensure that we don't leave RegisterMove */
12162 /* with the move registered when the conditions for registering no */
12164 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12165 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12166 nCmailMovesRegistered --;
12168 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12170 free(cmailCommentList[lastLoadGameNumber - 1]);
12171 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12175 if (cmailOldMove == -1) {
12176 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12180 if (currentMove > cmailOldMove + 1) {
12181 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12185 if (currentMove < cmailOldMove) {
12186 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12190 if (forwardMostMove > currentMove) {
12191 /* Silently truncate extra moves */
12195 if ( (currentMove == cmailOldMove + 1)
12196 || ( (currentMove == cmailOldMove)
12197 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12198 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12199 if (gameInfo.result != GameUnfinished) {
12200 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12203 if (commentList[currentMove] != NULL) {
12204 cmailCommentList[lastLoadGameNumber - 1]
12205 = StrSave(commentList[currentMove]);
12207 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12209 if (appData.debugMode)
12210 fprintf(debugFP, "Saving %s for game %d\n",
12211 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12213 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12215 f = fopen(string, "w");
12216 if (appData.oldSaveStyle) {
12217 SaveGameOldStyle(f); /* also closes the file */
12219 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12220 f = fopen(string, "w");
12221 SavePosition(f, 0, NULL); /* also closes the file */
12223 fprintf(f, "{--------------\n");
12224 PrintPosition(f, currentMove);
12225 fprintf(f, "--------------}\n\n");
12227 SaveGame(f, 0, NULL); /* also closes the file*/
12230 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12231 nCmailMovesRegistered ++;
12232 } else if (nCmailGames == 1) {
12233 DisplayError(_("You have not made a move yet"), 0);
12244 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12245 FILE *commandOutput;
12246 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12247 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12253 if (! cmailMsgLoaded) {
12254 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12258 if (nCmailGames == nCmailResults) {
12259 DisplayError(_("No unfinished games"), 0);
12263 #if CMAIL_PROHIBIT_REMAIL
12264 if (cmailMailedMove) {
12265 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);
12266 DisplayError(msg, 0);
12271 if (! (cmailMailedMove || RegisterMove())) return;
12273 if ( cmailMailedMove
12274 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12275 snprintf(string, MSG_SIZ, partCommandString,
12276 appData.debugMode ? " -v" : "", appData.cmailGameName);
12277 commandOutput = popen(string, "r");
12279 if (commandOutput == NULL) {
12280 DisplayError(_("Failed to invoke cmail"), 0);
12282 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12283 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12285 if (nBuffers > 1) {
12286 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12287 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12288 nBytes = MSG_SIZ - 1;
12290 (void) memcpy(msg, buffer, nBytes);
12292 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12294 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12295 cmailMailedMove = TRUE; /* Prevent >1 moves */
12298 for (i = 0; i < nCmailGames; i ++) {
12299 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12304 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12306 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12308 appData.cmailGameName,
12310 LoadGameFromFile(buffer, 1, buffer, FALSE);
12311 cmailMsgLoaded = FALSE;
12315 DisplayInformation(msg);
12316 pclose(commandOutput);
12319 if ((*cmailMsg) != '\0') {
12320 DisplayInformation(cmailMsg);
12325 #endif /* !WIN32 */
12334 int prependComma = 0;
12336 char string[MSG_SIZ]; /* Space for game-list */
12339 if (!cmailMsgLoaded) return "";
12341 if (cmailMailedMove) {
12342 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12344 /* Create a list of games left */
12345 snprintf(string, MSG_SIZ, "[");
12346 for (i = 0; i < nCmailGames; i ++) {
12347 if (! ( cmailMoveRegistered[i]
12348 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12349 if (prependComma) {
12350 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12352 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12356 strcat(string, number);
12359 strcat(string, "]");
12361 if (nCmailMovesRegistered + nCmailResults == 0) {
12362 switch (nCmailGames) {
12364 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12368 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12372 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12377 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12379 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12384 if (nCmailResults == nCmailGames) {
12385 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12387 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12392 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12404 if (gameMode == Training)
12405 SetTrainingModeOff();
12408 cmailMsgLoaded = FALSE;
12409 if (appData.icsActive) {
12410 SendToICS(ics_prefix);
12411 SendToICS("refresh\n");
12421 /* Give up on clean exit */
12425 /* Keep trying for clean exit */
12429 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12431 if (telnetISR != NULL) {
12432 RemoveInputSource(telnetISR);
12434 if (icsPR != NoProc) {
12435 DestroyChildProcess(icsPR, TRUE);
12438 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12439 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12441 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12442 /* make sure this other one finishes before killing it! */
12443 if(endingGame) { int count = 0;
12444 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12445 while(endingGame && count++ < 10) DoSleep(1);
12446 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12449 /* Kill off chess programs */
12450 if (first.pr != NoProc) {
12453 DoSleep( appData.delayBeforeQuit );
12454 SendToProgram("quit\n", &first);
12455 DoSleep( appData.delayAfterQuit );
12456 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12458 if (second.pr != NoProc) {
12459 DoSleep( appData.delayBeforeQuit );
12460 SendToProgram("quit\n", &second);
12461 DoSleep( appData.delayAfterQuit );
12462 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12464 if (first.isr != NULL) {
12465 RemoveInputSource(first.isr);
12467 if (second.isr != NULL) {
12468 RemoveInputSource(second.isr);
12471 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12472 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12474 ShutDownFrontEnd();
12481 if (appData.debugMode)
12482 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12486 if (gameMode == MachinePlaysWhite ||
12487 gameMode == MachinePlaysBlack) {
12490 DisplayBothClocks();
12492 if (gameMode == PlayFromGameFile) {
12493 if (appData.timeDelay >= 0)
12494 AutoPlayGameLoop();
12495 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12496 Reset(FALSE, TRUE);
12497 SendToICS(ics_prefix);
12498 SendToICS("refresh\n");
12499 } else if (currentMove < forwardMostMove) {
12500 ForwardInner(forwardMostMove);
12502 pauseExamInvalid = FALSE;
12504 switch (gameMode) {
12508 pauseExamForwardMostMove = forwardMostMove;
12509 pauseExamInvalid = FALSE;
12512 case IcsPlayingWhite:
12513 case IcsPlayingBlack:
12517 case PlayFromGameFile:
12518 (void) StopLoadGameTimer();
12522 case BeginningOfGame:
12523 if (appData.icsActive) return;
12524 /* else fall through */
12525 case MachinePlaysWhite:
12526 case MachinePlaysBlack:
12527 case TwoMachinesPlay:
12528 if (forwardMostMove == 0)
12529 return; /* don't pause if no one has moved */
12530 if ((gameMode == MachinePlaysWhite &&
12531 !WhiteOnMove(forwardMostMove)) ||
12532 (gameMode == MachinePlaysBlack &&
12533 WhiteOnMove(forwardMostMove))) {
12546 char title[MSG_SIZ];
12548 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12549 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12551 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12552 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12553 parseList[currentMove - 1]);
12556 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12563 char *tags = PGNTags(&gameInfo);
12565 EditTagsPopUp(tags, NULL);
12572 if (appData.noChessProgram || gameMode == AnalyzeMode)
12575 if (gameMode != AnalyzeFile) {
12576 if (!appData.icsEngineAnalyze) {
12578 if (gameMode != EditGame) return;
12580 ResurrectChessProgram();
12581 SendToProgram("analyze\n", &first);
12582 first.analyzing = TRUE;
12583 /*first.maybeThinking = TRUE;*/
12584 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12585 EngineOutputPopUp();
12587 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12592 StartAnalysisClock();
12593 GetTimeMark(&lastNodeCountTime);
12600 if (appData.noChessProgram || gameMode == AnalyzeFile)
12603 if (gameMode != AnalyzeMode) {
12605 if (gameMode != EditGame) return;
12606 ResurrectChessProgram();
12607 SendToProgram("analyze\n", &first);
12608 first.analyzing = TRUE;
12609 /*first.maybeThinking = TRUE;*/
12610 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12611 EngineOutputPopUp();
12613 gameMode = AnalyzeFile;
12618 StartAnalysisClock();
12619 GetTimeMark(&lastNodeCountTime);
12624 MachineWhiteEvent()
12627 char *bookHit = NULL;
12629 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12633 if (gameMode == PlayFromGameFile ||
12634 gameMode == TwoMachinesPlay ||
12635 gameMode == Training ||
12636 gameMode == AnalyzeMode ||
12637 gameMode == EndOfGame)
12640 if (gameMode == EditPosition)
12641 EditPositionDone(TRUE);
12643 if (!WhiteOnMove(currentMove)) {
12644 DisplayError(_("It is not White's turn"), 0);
12648 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12651 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12652 gameMode == AnalyzeFile)
12655 ResurrectChessProgram(); /* in case it isn't running */
12656 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12657 gameMode = MachinePlaysWhite;
12660 gameMode = MachinePlaysWhite;
12664 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12666 if (first.sendName) {
12667 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12668 SendToProgram(buf, &first);
12670 if (first.sendTime) {
12671 if (first.useColors) {
12672 SendToProgram("black\n", &first); /*gnu kludge*/
12674 SendTimeRemaining(&first, TRUE);
12676 if (first.useColors) {
12677 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12679 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12680 SetMachineThinkingEnables();
12681 first.maybeThinking = TRUE;
12685 if (appData.autoFlipView && !flipView) {
12686 flipView = !flipView;
12687 DrawPosition(FALSE, NULL);
12688 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12691 if(bookHit) { // [HGM] book: simulate book reply
12692 static char bookMove[MSG_SIZ]; // a bit generous?
12694 programStats.nodes = programStats.depth = programStats.time =
12695 programStats.score = programStats.got_only_move = 0;
12696 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12698 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12699 strcat(bookMove, bookHit);
12700 HandleMachineMove(bookMove, &first);
12705 MachineBlackEvent()
12708 char *bookHit = NULL;
12710 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12714 if (gameMode == PlayFromGameFile ||
12715 gameMode == TwoMachinesPlay ||
12716 gameMode == Training ||
12717 gameMode == AnalyzeMode ||
12718 gameMode == EndOfGame)
12721 if (gameMode == EditPosition)
12722 EditPositionDone(TRUE);
12724 if (WhiteOnMove(currentMove)) {
12725 DisplayError(_("It is not Black's turn"), 0);
12729 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12732 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12733 gameMode == AnalyzeFile)
12736 ResurrectChessProgram(); /* in case it isn't running */
12737 gameMode = MachinePlaysBlack;
12741 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12743 if (first.sendName) {
12744 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12745 SendToProgram(buf, &first);
12747 if (first.sendTime) {
12748 if (first.useColors) {
12749 SendToProgram("white\n", &first); /*gnu kludge*/
12751 SendTimeRemaining(&first, FALSE);
12753 if (first.useColors) {
12754 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12756 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12757 SetMachineThinkingEnables();
12758 first.maybeThinking = TRUE;
12761 if (appData.autoFlipView && flipView) {
12762 flipView = !flipView;
12763 DrawPosition(FALSE, NULL);
12764 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12766 if(bookHit) { // [HGM] book: simulate book reply
12767 static char bookMove[MSG_SIZ]; // a bit generous?
12769 programStats.nodes = programStats.depth = programStats.time =
12770 programStats.score = programStats.got_only_move = 0;
12771 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12773 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12774 strcat(bookMove, bookHit);
12775 HandleMachineMove(bookMove, &first);
12781 DisplayTwoMachinesTitle()
12784 if (appData.matchGames > 0) {
12785 if(appData.tourneyFile[0]) {
12786 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
12787 gameInfo.white, gameInfo.black,
12788 nextGame+1, appData.matchGames+1,
12789 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
12791 if (first.twoMachinesColor[0] == 'w') {
12792 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12793 gameInfo.white, gameInfo.black,
12794 first.matchWins, second.matchWins,
12795 matchGame - 1 - (first.matchWins + second.matchWins));
12797 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12798 gameInfo.white, gameInfo.black,
12799 second.matchWins, first.matchWins,
12800 matchGame - 1 - (first.matchWins + second.matchWins));
12803 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12809 SettingsMenuIfReady()
12811 if (second.lastPing != second.lastPong) {
12812 DisplayMessage("", _("Waiting for second chess program"));
12813 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12817 DisplayMessage("", "");
12818 SettingsPopUp(&second);
12822 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12825 if (cps->pr == NULL) {
12826 StartChessProgram(cps);
12827 if (cps->protocolVersion == 1) {
12830 /* kludge: allow timeout for initial "feature" command */
12832 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12833 DisplayMessage("", buf);
12834 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12842 TwoMachinesEvent P((void))
12846 ChessProgramState *onmove;
12847 char *bookHit = NULL;
12848 static int stalling = 0;
12852 if (appData.noChessProgram) return;
12854 switch (gameMode) {
12855 case TwoMachinesPlay:
12857 case MachinePlaysWhite:
12858 case MachinePlaysBlack:
12859 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12860 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12864 case BeginningOfGame:
12865 case PlayFromGameFile:
12868 if (gameMode != EditGame) return;
12871 EditPositionDone(TRUE);
12882 // forwardMostMove = currentMove;
12883 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12885 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12887 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12888 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12889 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12893 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12894 SendToProgram("force\n", &second);
12896 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12899 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12900 if(appData.matchPause>10000 || appData.matchPause<10)
12901 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12902 wait = SubtractTimeMarks(&now, &pauseStart);
12903 if(wait < appData.matchPause) {
12904 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12908 DisplayMessage("", "");
12909 if (startedFromSetupPosition) {
12910 SendBoard(&second, backwardMostMove);
12911 if (appData.debugMode) {
12912 fprintf(debugFP, "Two Machines\n");
12915 for (i = backwardMostMove; i < forwardMostMove; i++) {
12916 SendMoveToProgram(i, &second);
12919 gameMode = TwoMachinesPlay;
12921 ModeHighlight(); // [HGM] logo: this triggers display update of logos
12923 DisplayTwoMachinesTitle();
12925 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12930 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12931 SendToProgram(first.computerString, &first);
12932 if (first.sendName) {
12933 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12934 SendToProgram(buf, &first);
12936 SendToProgram(second.computerString, &second);
12937 if (second.sendName) {
12938 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12939 SendToProgram(buf, &second);
12943 if (!first.sendTime || !second.sendTime) {
12944 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12945 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12947 if (onmove->sendTime) {
12948 if (onmove->useColors) {
12949 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12951 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12953 if (onmove->useColors) {
12954 SendToProgram(onmove->twoMachinesColor, onmove);
12956 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12957 // SendToProgram("go\n", onmove);
12958 onmove->maybeThinking = TRUE;
12959 SetMachineThinkingEnables();
12963 if(bookHit) { // [HGM] book: simulate book reply
12964 static char bookMove[MSG_SIZ]; // a bit generous?
12966 programStats.nodes = programStats.depth = programStats.time =
12967 programStats.score = programStats.got_only_move = 0;
12968 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12970 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12971 strcat(bookMove, bookHit);
12972 savedMessage = bookMove; // args for deferred call
12973 savedState = onmove;
12974 ScheduleDelayedEvent(DeferredBookMove, 1);
12981 if (gameMode == Training) {
12982 SetTrainingModeOff();
12983 gameMode = PlayFromGameFile;
12984 DisplayMessage("", _("Training mode off"));
12986 gameMode = Training;
12987 animateTraining = appData.animate;
12989 /* make sure we are not already at the end of the game */
12990 if (currentMove < forwardMostMove) {
12991 SetTrainingModeOn();
12992 DisplayMessage("", _("Training mode on"));
12994 gameMode = PlayFromGameFile;
12995 DisplayError(_("Already at end of game"), 0);
13004 if (!appData.icsActive) return;
13005 switch (gameMode) {
13006 case IcsPlayingWhite:
13007 case IcsPlayingBlack:
13010 case BeginningOfGame:
13018 EditPositionDone(TRUE);
13031 gameMode = IcsIdle;
13042 switch (gameMode) {
13044 SetTrainingModeOff();
13046 case MachinePlaysWhite:
13047 case MachinePlaysBlack:
13048 case BeginningOfGame:
13049 SendToProgram("force\n", &first);
13050 SetUserThinkingEnables();
13052 case PlayFromGameFile:
13053 (void) StopLoadGameTimer();
13054 if (gameFileFP != NULL) {
13059 EditPositionDone(TRUE);
13064 SendToProgram("force\n", &first);
13066 case TwoMachinesPlay:
13067 GameEnds(EndOfFile, NULL, GE_PLAYER);
13068 ResurrectChessProgram();
13069 SetUserThinkingEnables();
13072 ResurrectChessProgram();
13074 case IcsPlayingBlack:
13075 case IcsPlayingWhite:
13076 DisplayError(_("Warning: You are still playing a game"), 0);
13079 DisplayError(_("Warning: You are still observing a game"), 0);
13082 DisplayError(_("Warning: You are still examining a game"), 0);
13093 first.offeredDraw = second.offeredDraw = 0;
13095 if (gameMode == PlayFromGameFile) {
13096 whiteTimeRemaining = timeRemaining[0][currentMove];
13097 blackTimeRemaining = timeRemaining[1][currentMove];
13101 if (gameMode == MachinePlaysWhite ||
13102 gameMode == MachinePlaysBlack ||
13103 gameMode == TwoMachinesPlay ||
13104 gameMode == EndOfGame) {
13105 i = forwardMostMove;
13106 while (i > currentMove) {
13107 SendToProgram("undo\n", &first);
13110 whiteTimeRemaining = timeRemaining[0][currentMove];
13111 blackTimeRemaining = timeRemaining[1][currentMove];
13112 DisplayBothClocks();
13113 if (whiteFlag || blackFlag) {
13114 whiteFlag = blackFlag = 0;
13119 gameMode = EditGame;
13126 EditPositionEvent()
13128 if (gameMode == EditPosition) {
13134 if (gameMode != EditGame) return;
13136 gameMode = EditPosition;
13139 if (currentMove > 0)
13140 CopyBoard(boards[0], boards[currentMove]);
13142 blackPlaysFirst = !WhiteOnMove(currentMove);
13144 currentMove = forwardMostMove = backwardMostMove = 0;
13145 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13152 /* [DM] icsEngineAnalyze - possible call from other functions */
13153 if (appData.icsEngineAnalyze) {
13154 appData.icsEngineAnalyze = FALSE;
13156 DisplayMessage("",_("Close ICS engine analyze..."));
13158 if (first.analysisSupport && first.analyzing) {
13159 SendToProgram("exit\n", &first);
13160 first.analyzing = FALSE;
13162 thinkOutput[0] = NULLCHAR;
13166 EditPositionDone(Boolean fakeRights)
13168 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13170 startedFromSetupPosition = TRUE;
13171 InitChessProgram(&first, FALSE);
13172 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13173 boards[0][EP_STATUS] = EP_NONE;
13174 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13175 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13176 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13177 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13178 } else boards[0][CASTLING][2] = NoRights;
13179 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13180 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13181 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13182 } else boards[0][CASTLING][5] = NoRights;
13184 SendToProgram("force\n", &first);
13185 if (blackPlaysFirst) {
13186 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13187 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13188 currentMove = forwardMostMove = backwardMostMove = 1;
13189 CopyBoard(boards[1], boards[0]);
13191 currentMove = forwardMostMove = backwardMostMove = 0;
13193 SendBoard(&first, forwardMostMove);
13194 if (appData.debugMode) {
13195 fprintf(debugFP, "EditPosDone\n");
13198 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13199 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13200 gameMode = EditGame;
13202 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13203 ClearHighlights(); /* [AS] */
13206 /* Pause for `ms' milliseconds */
13207 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13217 } while (SubtractTimeMarks(&m2, &m1) < ms);
13220 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13222 SendMultiLineToICS(buf)
13225 char temp[MSG_SIZ+1], *p;
13232 strncpy(temp, buf, len);
13237 if (*p == '\n' || *p == '\r')
13242 strcat(temp, "\n");
13244 SendToPlayer(temp, strlen(temp));
13248 SetWhiteToPlayEvent()
13250 if (gameMode == EditPosition) {
13251 blackPlaysFirst = FALSE;
13252 DisplayBothClocks(); /* works because currentMove is 0 */
13253 } else if (gameMode == IcsExamining) {
13254 SendToICS(ics_prefix);
13255 SendToICS("tomove white\n");
13260 SetBlackToPlayEvent()
13262 if (gameMode == EditPosition) {
13263 blackPlaysFirst = TRUE;
13264 currentMove = 1; /* kludge */
13265 DisplayBothClocks();
13267 } else if (gameMode == IcsExamining) {
13268 SendToICS(ics_prefix);
13269 SendToICS("tomove black\n");
13274 EditPositionMenuEvent(selection, x, y)
13275 ChessSquare selection;
13279 ChessSquare piece = boards[0][y][x];
13281 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13283 switch (selection) {
13285 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13286 SendToICS(ics_prefix);
13287 SendToICS("bsetup clear\n");
13288 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13289 SendToICS(ics_prefix);
13290 SendToICS("clearboard\n");
13292 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13293 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13294 for (y = 0; y < BOARD_HEIGHT; y++) {
13295 if (gameMode == IcsExamining) {
13296 if (boards[currentMove][y][x] != EmptySquare) {
13297 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13302 boards[0][y][x] = p;
13307 if (gameMode == EditPosition) {
13308 DrawPosition(FALSE, boards[0]);
13313 SetWhiteToPlayEvent();
13317 SetBlackToPlayEvent();
13321 if (gameMode == IcsExamining) {
13322 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13323 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13326 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13327 if(x == BOARD_LEFT-2) {
13328 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13329 boards[0][y][1] = 0;
13331 if(x == BOARD_RGHT+1) {
13332 if(y >= gameInfo.holdingsSize) break;
13333 boards[0][y][BOARD_WIDTH-2] = 0;
13336 boards[0][y][x] = EmptySquare;
13337 DrawPosition(FALSE, boards[0]);
13342 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13343 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13344 selection = (ChessSquare) (PROMOTED piece);
13345 } else if(piece == EmptySquare) selection = WhiteSilver;
13346 else selection = (ChessSquare)((int)piece - 1);
13350 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13351 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13352 selection = (ChessSquare) (DEMOTED piece);
13353 } else if(piece == EmptySquare) selection = BlackSilver;
13354 else selection = (ChessSquare)((int)piece + 1);
13359 if(gameInfo.variant == VariantShatranj ||
13360 gameInfo.variant == VariantXiangqi ||
13361 gameInfo.variant == VariantCourier ||
13362 gameInfo.variant == VariantMakruk )
13363 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13368 if(gameInfo.variant == VariantXiangqi)
13369 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13370 if(gameInfo.variant == VariantKnightmate)
13371 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13374 if (gameMode == IcsExamining) {
13375 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13376 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13377 PieceToChar(selection), AAA + x, ONE + y);
13380 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13382 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13383 n = PieceToNumber(selection - BlackPawn);
13384 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13385 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13386 boards[0][BOARD_HEIGHT-1-n][1]++;
13388 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13389 n = PieceToNumber(selection);
13390 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13391 boards[0][n][BOARD_WIDTH-1] = selection;
13392 boards[0][n][BOARD_WIDTH-2]++;
13395 boards[0][y][x] = selection;
13396 DrawPosition(TRUE, boards[0]);
13404 DropMenuEvent(selection, x, y)
13405 ChessSquare selection;
13408 ChessMove moveType;
13410 switch (gameMode) {
13411 case IcsPlayingWhite:
13412 case MachinePlaysBlack:
13413 if (!WhiteOnMove(currentMove)) {
13414 DisplayMoveError(_("It is Black's turn"));
13417 moveType = WhiteDrop;
13419 case IcsPlayingBlack:
13420 case MachinePlaysWhite:
13421 if (WhiteOnMove(currentMove)) {
13422 DisplayMoveError(_("It is White's turn"));
13425 moveType = BlackDrop;
13428 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13434 if (moveType == BlackDrop && selection < BlackPawn) {
13435 selection = (ChessSquare) ((int) selection
13436 + (int) BlackPawn - (int) WhitePawn);
13438 if (boards[currentMove][y][x] != EmptySquare) {
13439 DisplayMoveError(_("That square is occupied"));
13443 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13449 /* Accept a pending offer of any kind from opponent */
13451 if (appData.icsActive) {
13452 SendToICS(ics_prefix);
13453 SendToICS("accept\n");
13454 } else if (cmailMsgLoaded) {
13455 if (currentMove == cmailOldMove &&
13456 commentList[cmailOldMove] != NULL &&
13457 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13458 "Black offers a draw" : "White offers a draw")) {
13460 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13461 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13463 DisplayError(_("There is no pending offer on this move"), 0);
13464 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13467 /* Not used for offers from chess program */
13474 /* Decline a pending offer of any kind from opponent */
13476 if (appData.icsActive) {
13477 SendToICS(ics_prefix);
13478 SendToICS("decline\n");
13479 } else if (cmailMsgLoaded) {
13480 if (currentMove == cmailOldMove &&
13481 commentList[cmailOldMove] != NULL &&
13482 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13483 "Black offers a draw" : "White offers a draw")) {
13485 AppendComment(cmailOldMove, "Draw declined", TRUE);
13486 DisplayComment(cmailOldMove - 1, "Draw declined");
13489 DisplayError(_("There is no pending offer on this move"), 0);
13492 /* Not used for offers from chess program */
13499 /* Issue ICS rematch command */
13500 if (appData.icsActive) {
13501 SendToICS(ics_prefix);
13502 SendToICS("rematch\n");
13509 /* Call your opponent's flag (claim a win on time) */
13510 if (appData.icsActive) {
13511 SendToICS(ics_prefix);
13512 SendToICS("flag\n");
13514 switch (gameMode) {
13517 case MachinePlaysWhite:
13520 GameEnds(GameIsDrawn, "Both players ran out of time",
13523 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13525 DisplayError(_("Your opponent is not out of time"), 0);
13528 case MachinePlaysBlack:
13531 GameEnds(GameIsDrawn, "Both players ran out of time",
13534 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13536 DisplayError(_("Your opponent is not out of time"), 0);
13544 ClockClick(int which)
13545 { // [HGM] code moved to back-end from winboard.c
13546 if(which) { // black clock
13547 if (gameMode == EditPosition || gameMode == IcsExamining) {
13548 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13549 SetBlackToPlayEvent();
13550 } else if (gameMode == EditGame || shiftKey) {
13551 AdjustClock(which, -1);
13552 } else if (gameMode == IcsPlayingWhite ||
13553 gameMode == MachinePlaysBlack) {
13556 } else { // white clock
13557 if (gameMode == EditPosition || gameMode == IcsExamining) {
13558 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13559 SetWhiteToPlayEvent();
13560 } else if (gameMode == EditGame || shiftKey) {
13561 AdjustClock(which, -1);
13562 } else if (gameMode == IcsPlayingBlack ||
13563 gameMode == MachinePlaysWhite) {
13572 /* Offer draw or accept pending draw offer from opponent */
13574 if (appData.icsActive) {
13575 /* Note: tournament rules require draw offers to be
13576 made after you make your move but before you punch
13577 your clock. Currently ICS doesn't let you do that;
13578 instead, you immediately punch your clock after making
13579 a move, but you can offer a draw at any time. */
13581 SendToICS(ics_prefix);
13582 SendToICS("draw\n");
13583 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13584 } else if (cmailMsgLoaded) {
13585 if (currentMove == cmailOldMove &&
13586 commentList[cmailOldMove] != NULL &&
13587 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13588 "Black offers a draw" : "White offers a draw")) {
13589 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13590 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13591 } else if (currentMove == cmailOldMove + 1) {
13592 char *offer = WhiteOnMove(cmailOldMove) ?
13593 "White offers a draw" : "Black offers a draw";
13594 AppendComment(currentMove, offer, TRUE);
13595 DisplayComment(currentMove - 1, offer);
13596 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13598 DisplayError(_("You must make your move before offering a draw"), 0);
13599 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13601 } else if (first.offeredDraw) {
13602 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13604 if (first.sendDrawOffers) {
13605 SendToProgram("draw\n", &first);
13606 userOfferedDraw = TRUE;
13614 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13616 if (appData.icsActive) {
13617 SendToICS(ics_prefix);
13618 SendToICS("adjourn\n");
13620 /* Currently GNU Chess doesn't offer or accept Adjourns */
13628 /* Offer Abort or accept pending Abort offer from opponent */
13630 if (appData.icsActive) {
13631 SendToICS(ics_prefix);
13632 SendToICS("abort\n");
13634 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13641 /* Resign. You can do this even if it's not your turn. */
13643 if (appData.icsActive) {
13644 SendToICS(ics_prefix);
13645 SendToICS("resign\n");
13647 switch (gameMode) {
13648 case MachinePlaysWhite:
13649 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13651 case MachinePlaysBlack:
13652 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13655 if (cmailMsgLoaded) {
13657 if (WhiteOnMove(cmailOldMove)) {
13658 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13660 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13662 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13673 StopObservingEvent()
13675 /* Stop observing current games */
13676 SendToICS(ics_prefix);
13677 SendToICS("unobserve\n");
13681 StopExaminingEvent()
13683 /* Stop observing current game */
13684 SendToICS(ics_prefix);
13685 SendToICS("unexamine\n");
13689 ForwardInner(target)
13694 if (appData.debugMode)
13695 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13696 target, currentMove, forwardMostMove);
13698 if (gameMode == EditPosition)
13701 if (gameMode == PlayFromGameFile && !pausing)
13704 if (gameMode == IcsExamining && pausing)
13705 limit = pauseExamForwardMostMove;
13707 limit = forwardMostMove;
13709 if (target > limit) target = limit;
13711 if (target > 0 && moveList[target - 1][0]) {
13712 int fromX, fromY, toX, toY;
13713 toX = moveList[target - 1][2] - AAA;
13714 toY = moveList[target - 1][3] - ONE;
13715 if (moveList[target - 1][1] == '@') {
13716 if (appData.highlightLastMove) {
13717 SetHighlights(-1, -1, toX, toY);
13720 fromX = moveList[target - 1][0] - AAA;
13721 fromY = moveList[target - 1][1] - ONE;
13722 if (target == currentMove + 1) {
13723 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13725 if (appData.highlightLastMove) {
13726 SetHighlights(fromX, fromY, toX, toY);
13730 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13731 gameMode == Training || gameMode == PlayFromGameFile ||
13732 gameMode == AnalyzeFile) {
13733 while (currentMove < target) {
13734 SendMoveToProgram(currentMove++, &first);
13737 currentMove = target;
13740 if (gameMode == EditGame || gameMode == EndOfGame) {
13741 whiteTimeRemaining = timeRemaining[0][currentMove];
13742 blackTimeRemaining = timeRemaining[1][currentMove];
13744 DisplayBothClocks();
13745 DisplayMove(currentMove - 1);
13746 DrawPosition(FALSE, boards[currentMove]);
13747 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13748 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13749 DisplayComment(currentMove - 1, commentList[currentMove]);
13751 DisplayBook(currentMove);
13758 if (gameMode == IcsExamining && !pausing) {
13759 SendToICS(ics_prefix);
13760 SendToICS("forward\n");
13762 ForwardInner(currentMove + 1);
13769 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13770 /* to optimze, we temporarily turn off analysis mode while we feed
13771 * the remaining moves to the engine. Otherwise we get analysis output
13774 if (first.analysisSupport) {
13775 SendToProgram("exit\nforce\n", &first);
13776 first.analyzing = FALSE;
13780 if (gameMode == IcsExamining && !pausing) {
13781 SendToICS(ics_prefix);
13782 SendToICS("forward 999999\n");
13784 ForwardInner(forwardMostMove);
13787 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13788 /* we have fed all the moves, so reactivate analysis mode */
13789 SendToProgram("analyze\n", &first);
13790 first.analyzing = TRUE;
13791 /*first.maybeThinking = TRUE;*/
13792 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13797 BackwardInner(target)
13800 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13802 if (appData.debugMode)
13803 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13804 target, currentMove, forwardMostMove);
13806 if (gameMode == EditPosition) return;
13807 if (currentMove <= backwardMostMove) {
13809 DrawPosition(full_redraw, boards[currentMove]);
13812 if (gameMode == PlayFromGameFile && !pausing)
13815 if (moveList[target][0]) {
13816 int fromX, fromY, toX, toY;
13817 toX = moveList[target][2] - AAA;
13818 toY = moveList[target][3] - ONE;
13819 if (moveList[target][1] == '@') {
13820 if (appData.highlightLastMove) {
13821 SetHighlights(-1, -1, toX, toY);
13824 fromX = moveList[target][0] - AAA;
13825 fromY = moveList[target][1] - ONE;
13826 if (target == currentMove - 1) {
13827 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13829 if (appData.highlightLastMove) {
13830 SetHighlights(fromX, fromY, toX, toY);
13834 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13835 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13836 while (currentMove > target) {
13837 SendToProgram("undo\n", &first);
13841 currentMove = target;
13844 if (gameMode == EditGame || gameMode == EndOfGame) {
13845 whiteTimeRemaining = timeRemaining[0][currentMove];
13846 blackTimeRemaining = timeRemaining[1][currentMove];
13848 DisplayBothClocks();
13849 DisplayMove(currentMove - 1);
13850 DrawPosition(full_redraw, boards[currentMove]);
13851 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13852 // [HGM] PV info: routine tests if comment empty
13853 DisplayComment(currentMove - 1, commentList[currentMove]);
13854 DisplayBook(currentMove);
13860 if (gameMode == IcsExamining && !pausing) {
13861 SendToICS(ics_prefix);
13862 SendToICS("backward\n");
13864 BackwardInner(currentMove - 1);
13871 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13872 /* to optimize, we temporarily turn off analysis mode while we undo
13873 * all the moves. Otherwise we get analysis output after each undo.
13875 if (first.analysisSupport) {
13876 SendToProgram("exit\nforce\n", &first);
13877 first.analyzing = FALSE;
13881 if (gameMode == IcsExamining && !pausing) {
13882 SendToICS(ics_prefix);
13883 SendToICS("backward 999999\n");
13885 BackwardInner(backwardMostMove);
13888 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13889 /* we have fed all the moves, so reactivate analysis mode */
13890 SendToProgram("analyze\n", &first);
13891 first.analyzing = TRUE;
13892 /*first.maybeThinking = TRUE;*/
13893 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13900 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13901 if (to >= forwardMostMove) to = forwardMostMove;
13902 if (to <= backwardMostMove) to = backwardMostMove;
13903 if (to < currentMove) {
13911 RevertEvent(Boolean annotate)
13913 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13916 if (gameMode != IcsExamining) {
13917 DisplayError(_("You are not examining a game"), 0);
13921 DisplayError(_("You can't revert while pausing"), 0);
13924 SendToICS(ics_prefix);
13925 SendToICS("revert\n");
13931 switch (gameMode) {
13932 case MachinePlaysWhite:
13933 case MachinePlaysBlack:
13934 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13935 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13938 if (forwardMostMove < 2) return;
13939 currentMove = forwardMostMove = forwardMostMove - 2;
13940 whiteTimeRemaining = timeRemaining[0][currentMove];
13941 blackTimeRemaining = timeRemaining[1][currentMove];
13942 DisplayBothClocks();
13943 DisplayMove(currentMove - 1);
13944 ClearHighlights();/*!! could figure this out*/
13945 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13946 SendToProgram("remove\n", &first);
13947 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13950 case BeginningOfGame:
13954 case IcsPlayingWhite:
13955 case IcsPlayingBlack:
13956 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13957 SendToICS(ics_prefix);
13958 SendToICS("takeback 2\n");
13960 SendToICS(ics_prefix);
13961 SendToICS("takeback 1\n");
13970 ChessProgramState *cps;
13972 switch (gameMode) {
13973 case MachinePlaysWhite:
13974 if (!WhiteOnMove(forwardMostMove)) {
13975 DisplayError(_("It is your turn"), 0);
13980 case MachinePlaysBlack:
13981 if (WhiteOnMove(forwardMostMove)) {
13982 DisplayError(_("It is your turn"), 0);
13987 case TwoMachinesPlay:
13988 if (WhiteOnMove(forwardMostMove) ==
13989 (first.twoMachinesColor[0] == 'w')) {
13995 case BeginningOfGame:
13999 SendToProgram("?\n", cps);
14003 TruncateGameEvent()
14006 if (gameMode != EditGame) return;
14013 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14014 if (forwardMostMove > currentMove) {
14015 if (gameInfo.resultDetails != NULL) {
14016 free(gameInfo.resultDetails);
14017 gameInfo.resultDetails = NULL;
14018 gameInfo.result = GameUnfinished;
14020 forwardMostMove = currentMove;
14021 HistorySet(parseList, backwardMostMove, forwardMostMove,
14029 if (appData.noChessProgram) return;
14030 switch (gameMode) {
14031 case MachinePlaysWhite:
14032 if (WhiteOnMove(forwardMostMove)) {
14033 DisplayError(_("Wait until your turn"), 0);
14037 case BeginningOfGame:
14038 case MachinePlaysBlack:
14039 if (!WhiteOnMove(forwardMostMove)) {
14040 DisplayError(_("Wait until your turn"), 0);
14045 DisplayError(_("No hint available"), 0);
14048 SendToProgram("hint\n", &first);
14049 hintRequested = TRUE;
14055 if (appData.noChessProgram) return;
14056 switch (gameMode) {
14057 case MachinePlaysWhite:
14058 if (WhiteOnMove(forwardMostMove)) {
14059 DisplayError(_("Wait until your turn"), 0);
14063 case BeginningOfGame:
14064 case MachinePlaysBlack:
14065 if (!WhiteOnMove(forwardMostMove)) {
14066 DisplayError(_("Wait until your turn"), 0);
14071 EditPositionDone(TRUE);
14073 case TwoMachinesPlay:
14078 SendToProgram("bk\n", &first);
14079 bookOutput[0] = NULLCHAR;
14080 bookRequested = TRUE;
14086 char *tags = PGNTags(&gameInfo);
14087 TagsPopUp(tags, CmailMsg());
14091 /* end button procedures */
14094 PrintPosition(fp, move)
14100 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14101 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14102 char c = PieceToChar(boards[move][i][j]);
14103 fputc(c == 'x' ? '.' : c, fp);
14104 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14107 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14108 fprintf(fp, "white to play\n");
14110 fprintf(fp, "black to play\n");
14117 if (gameInfo.white != NULL) {
14118 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14124 /* Find last component of program's own name, using some heuristics */
14126 TidyProgramName(prog, host, buf)
14127 char *prog, *host, buf[MSG_SIZ];
14130 int local = (strcmp(host, "localhost") == 0);
14131 while (!local && (p = strchr(prog, ';')) != NULL) {
14133 while (*p == ' ') p++;
14136 if (*prog == '"' || *prog == '\'') {
14137 q = strchr(prog + 1, *prog);
14139 q = strchr(prog, ' ');
14141 if (q == NULL) q = prog + strlen(prog);
14143 while (p >= prog && *p != '/' && *p != '\\') p--;
14145 if(p == prog && *p == '"') p++;
14146 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14147 memcpy(buf, p, q - p);
14148 buf[q - p] = NULLCHAR;
14156 TimeControlTagValue()
14159 if (!appData.clockMode) {
14160 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14161 } else if (movesPerSession > 0) {
14162 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14163 } else if (timeIncrement == 0) {
14164 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14166 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14168 return StrSave(buf);
14174 /* This routine is used only for certain modes */
14175 VariantClass v = gameInfo.variant;
14176 ChessMove r = GameUnfinished;
14179 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14180 r = gameInfo.result;
14181 p = gameInfo.resultDetails;
14182 gameInfo.resultDetails = NULL;
14184 ClearGameInfo(&gameInfo);
14185 gameInfo.variant = v;
14187 switch (gameMode) {
14188 case MachinePlaysWhite:
14189 gameInfo.event = StrSave( appData.pgnEventHeader );
14190 gameInfo.site = StrSave(HostName());
14191 gameInfo.date = PGNDate();
14192 gameInfo.round = StrSave("-");
14193 gameInfo.white = StrSave(first.tidy);
14194 gameInfo.black = StrSave(UserName());
14195 gameInfo.timeControl = TimeControlTagValue();
14198 case MachinePlaysBlack:
14199 gameInfo.event = StrSave( appData.pgnEventHeader );
14200 gameInfo.site = StrSave(HostName());
14201 gameInfo.date = PGNDate();
14202 gameInfo.round = StrSave("-");
14203 gameInfo.white = StrSave(UserName());
14204 gameInfo.black = StrSave(first.tidy);
14205 gameInfo.timeControl = TimeControlTagValue();
14208 case TwoMachinesPlay:
14209 gameInfo.event = StrSave( appData.pgnEventHeader );
14210 gameInfo.site = StrSave(HostName());
14211 gameInfo.date = PGNDate();
14214 snprintf(buf, MSG_SIZ, "%d", roundNr);
14215 gameInfo.round = StrSave(buf);
14217 gameInfo.round = StrSave("-");
14219 if (first.twoMachinesColor[0] == 'w') {
14220 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14221 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14223 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14224 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14226 gameInfo.timeControl = TimeControlTagValue();
14230 gameInfo.event = StrSave("Edited game");
14231 gameInfo.site = StrSave(HostName());
14232 gameInfo.date = PGNDate();
14233 gameInfo.round = StrSave("-");
14234 gameInfo.white = StrSave("-");
14235 gameInfo.black = StrSave("-");
14236 gameInfo.result = r;
14237 gameInfo.resultDetails = p;
14241 gameInfo.event = StrSave("Edited position");
14242 gameInfo.site = StrSave(HostName());
14243 gameInfo.date = PGNDate();
14244 gameInfo.round = StrSave("-");
14245 gameInfo.white = StrSave("-");
14246 gameInfo.black = StrSave("-");
14249 case IcsPlayingWhite:
14250 case IcsPlayingBlack:
14255 case PlayFromGameFile:
14256 gameInfo.event = StrSave("Game from non-PGN file");
14257 gameInfo.site = StrSave(HostName());
14258 gameInfo.date = PGNDate();
14259 gameInfo.round = StrSave("-");
14260 gameInfo.white = StrSave("?");
14261 gameInfo.black = StrSave("?");
14270 ReplaceComment(index, text)
14278 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14279 pvInfoList[index-1].depth == len &&
14280 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14281 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14282 while (*text == '\n') text++;
14283 len = strlen(text);
14284 while (len > 0 && text[len - 1] == '\n') len--;
14286 if (commentList[index] != NULL)
14287 free(commentList[index]);
14290 commentList[index] = NULL;
14293 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14294 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14295 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14296 commentList[index] = (char *) malloc(len + 2);
14297 strncpy(commentList[index], text, len);
14298 commentList[index][len] = '\n';
14299 commentList[index][len + 1] = NULLCHAR;
14301 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14303 commentList[index] = (char *) malloc(len + 7);
14304 safeStrCpy(commentList[index], "{\n", 3);
14305 safeStrCpy(commentList[index]+2, text, len+1);
14306 commentList[index][len+2] = NULLCHAR;
14307 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14308 strcat(commentList[index], "\n}\n");
14322 if (ch == '\r') continue;
14324 } while (ch != '\0');
14328 AppendComment(index, text, addBraces)
14331 Boolean addBraces; // [HGM] braces: tells if we should add {}
14336 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14337 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14340 while (*text == '\n') text++;
14341 len = strlen(text);
14342 while (len > 0 && text[len - 1] == '\n') len--;
14344 if (len == 0) return;
14346 if (commentList[index] != NULL) {
14347 old = commentList[index];
14348 oldlen = strlen(old);
14349 while(commentList[index][oldlen-1] == '\n')
14350 commentList[index][--oldlen] = NULLCHAR;
14351 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14352 safeStrCpy(commentList[index], old, oldlen + len + 6);
14354 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14355 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14356 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14357 while (*text == '\n') { text++; len--; }
14358 commentList[index][--oldlen] = NULLCHAR;
14360 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14361 else strcat(commentList[index], "\n");
14362 strcat(commentList[index], text);
14363 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14364 else strcat(commentList[index], "\n");
14366 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14368 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14369 else commentList[index][0] = NULLCHAR;
14370 strcat(commentList[index], text);
14371 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14372 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14376 static char * FindStr( char * text, char * sub_text )
14378 char * result = strstr( text, sub_text );
14380 if( result != NULL ) {
14381 result += strlen( sub_text );
14387 /* [AS] Try to extract PV info from PGN comment */
14388 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14389 char *GetInfoFromComment( int index, char * text )
14391 char * sep = text, *p;
14393 if( text != NULL && index > 0 ) {
14396 int time = -1, sec = 0, deci;
14397 char * s_eval = FindStr( text, "[%eval " );
14398 char * s_emt = FindStr( text, "[%emt " );
14400 if( s_eval != NULL || s_emt != NULL ) {
14404 if( s_eval != NULL ) {
14405 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14409 if( delim != ']' ) {
14414 if( s_emt != NULL ) {
14419 /* We expect something like: [+|-]nnn.nn/dd */
14422 if(*text != '{') return text; // [HGM] braces: must be normal comment
14424 sep = strchr( text, '/' );
14425 if( sep == NULL || sep < (text+4) ) {
14430 if(p[1] == '(') { // comment starts with PV
14431 p = strchr(p, ')'); // locate end of PV
14432 if(p == NULL || sep < p+5) return text;
14433 // at this point we have something like "{(.*) +0.23/6 ..."
14434 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14435 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14436 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14438 time = -1; sec = -1; deci = -1;
14439 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14440 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14441 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14442 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14446 if( score_lo < 0 || score_lo >= 100 ) {
14450 if(sec >= 0) time = 600*time + 10*sec; else
14451 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14453 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14455 /* [HGM] PV time: now locate end of PV info */
14456 while( *++sep >= '0' && *sep <= '9'); // strip depth
14458 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14460 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14462 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14463 while(*sep == ' ') sep++;
14474 pvInfoList[index-1].depth = depth;
14475 pvInfoList[index-1].score = score;
14476 pvInfoList[index-1].time = 10*time; // centi-sec
14477 if(*sep == '}') *sep = 0; else *--sep = '{';
14478 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14484 SendToProgram(message, cps)
14486 ChessProgramState *cps;
14488 int count, outCount, error;
14491 if (cps->pr == NULL) return;
14494 if (appData.debugMode) {
14497 fprintf(debugFP, "%ld >%-6s: %s",
14498 SubtractTimeMarks(&now, &programStartTime),
14499 cps->which, message);
14502 count = strlen(message);
14503 outCount = OutputToProcess(cps->pr, message, count, &error);
14504 if (outCount < count && !exiting
14505 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14506 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14507 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14508 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14509 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14510 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14511 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14512 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14514 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14515 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14516 gameInfo.result = res;
14518 gameInfo.resultDetails = StrSave(buf);
14520 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14521 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14526 ReceiveFromProgram(isr, closure, message, count, error)
14527 InputSourceRef isr;
14535 ChessProgramState *cps = (ChessProgramState *)closure;
14537 if (isr != cps->isr) return; /* Killed intentionally */
14540 RemoveInputSource(cps->isr);
14541 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14542 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14543 _(cps->which), cps->program);
14544 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14545 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14546 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14547 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14548 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14550 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14551 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14552 gameInfo.result = res;
14554 gameInfo.resultDetails = StrSave(buf);
14556 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14557 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14559 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14560 _(cps->which), cps->program);
14561 RemoveInputSource(cps->isr);
14563 /* [AS] Program is misbehaving badly... kill it */
14564 if( count == -2 ) {
14565 DestroyChildProcess( cps->pr, 9 );
14569 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14574 if ((end_str = strchr(message, '\r')) != NULL)
14575 *end_str = NULLCHAR;
14576 if ((end_str = strchr(message, '\n')) != NULL)
14577 *end_str = NULLCHAR;
14579 if (appData.debugMode) {
14580 TimeMark now; int print = 1;
14581 char *quote = ""; char c; int i;
14583 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14584 char start = message[0];
14585 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14586 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14587 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14588 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14589 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14590 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14591 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14592 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14593 sscanf(message, "hint: %c", &c)!=1 &&
14594 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14595 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14596 print = (appData.engineComments >= 2);
14598 message[0] = start; // restore original message
14602 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14603 SubtractTimeMarks(&now, &programStartTime), cps->which,
14609 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14610 if (appData.icsEngineAnalyze) {
14611 if (strstr(message, "whisper") != NULL ||
14612 strstr(message, "kibitz") != NULL ||
14613 strstr(message, "tellics") != NULL) return;
14616 HandleMachineMove(message, cps);
14621 SendTimeControl(cps, mps, tc, inc, sd, st)
14622 ChessProgramState *cps;
14623 int mps, inc, sd, st;
14629 if( timeControl_2 > 0 ) {
14630 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14631 tc = timeControl_2;
14634 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14635 inc /= cps->timeOdds;
14636 st /= cps->timeOdds;
14638 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14641 /* Set exact time per move, normally using st command */
14642 if (cps->stKludge) {
14643 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14645 if (seconds == 0) {
14646 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14648 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14651 snprintf(buf, MSG_SIZ, "st %d\n", st);
14654 /* Set conventional or incremental time control, using level command */
14655 if (seconds == 0) {
14656 /* Note old gnuchess bug -- minutes:seconds used to not work.
14657 Fixed in later versions, but still avoid :seconds
14658 when seconds is 0. */
14659 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14661 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14662 seconds, inc/1000.);
14665 SendToProgram(buf, cps);
14667 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14668 /* Orthogonally, limit search to given depth */
14670 if (cps->sdKludge) {
14671 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14673 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14675 SendToProgram(buf, cps);
14678 if(cps->nps >= 0) { /* [HGM] nps */
14679 if(cps->supportsNPS == FALSE)
14680 cps->nps = -1; // don't use if engine explicitly says not supported!
14682 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14683 SendToProgram(buf, cps);
14688 ChessProgramState *WhitePlayer()
14689 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14691 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14692 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14698 SendTimeRemaining(cps, machineWhite)
14699 ChessProgramState *cps;
14700 int /*boolean*/ machineWhite;
14702 char message[MSG_SIZ];
14705 /* Note: this routine must be called when the clocks are stopped
14706 or when they have *just* been set or switched; otherwise
14707 it will be off by the time since the current tick started.
14709 if (machineWhite) {
14710 time = whiteTimeRemaining / 10;
14711 otime = blackTimeRemaining / 10;
14713 time = blackTimeRemaining / 10;
14714 otime = whiteTimeRemaining / 10;
14716 /* [HGM] translate opponent's time by time-odds factor */
14717 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14718 if (appData.debugMode) {
14719 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14722 if (time <= 0) time = 1;
14723 if (otime <= 0) otime = 1;
14725 snprintf(message, MSG_SIZ, "time %ld\n", time);
14726 SendToProgram(message, cps);
14728 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14729 SendToProgram(message, cps);
14733 BoolFeature(p, name, loc, cps)
14737 ChessProgramState *cps;
14740 int len = strlen(name);
14743 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14745 sscanf(*p, "%d", &val);
14747 while (**p && **p != ' ')
14749 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14750 SendToProgram(buf, cps);
14757 IntFeature(p, name, loc, cps)
14761 ChessProgramState *cps;
14764 int len = strlen(name);
14765 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14767 sscanf(*p, "%d", loc);
14768 while (**p && **p != ' ') (*p)++;
14769 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14770 SendToProgram(buf, cps);
14777 StringFeature(p, name, loc, cps)
14781 ChessProgramState *cps;
14784 int len = strlen(name);
14785 if (strncmp((*p), name, len) == 0
14786 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14788 sscanf(*p, "%[^\"]", loc);
14789 while (**p && **p != '\"') (*p)++;
14790 if (**p == '\"') (*p)++;
14791 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14792 SendToProgram(buf, cps);
14799 ParseOption(Option *opt, ChessProgramState *cps)
14800 // [HGM] options: process the string that defines an engine option, and determine
14801 // name, type, default value, and allowed value range
14803 char *p, *q, buf[MSG_SIZ];
14804 int n, min = (-1)<<31, max = 1<<31, def;
14806 if(p = strstr(opt->name, " -spin ")) {
14807 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14808 if(max < min) max = min; // enforce consistency
14809 if(def < min) def = min;
14810 if(def > max) def = max;
14815 } else if((p = strstr(opt->name, " -slider "))) {
14816 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14817 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14818 if(max < min) max = min; // enforce consistency
14819 if(def < min) def = min;
14820 if(def > max) def = max;
14824 opt->type = Spin; // Slider;
14825 } else if((p = strstr(opt->name, " -string "))) {
14826 opt->textValue = p+9;
14827 opt->type = TextBox;
14828 } else if((p = strstr(opt->name, " -file "))) {
14829 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14830 opt->textValue = p+7;
14831 opt->type = FileName; // FileName;
14832 } else if((p = strstr(opt->name, " -path "))) {
14833 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14834 opt->textValue = p+7;
14835 opt->type = PathName; // PathName;
14836 } else if(p = strstr(opt->name, " -check ")) {
14837 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14838 opt->value = (def != 0);
14839 opt->type = CheckBox;
14840 } else if(p = strstr(opt->name, " -combo ")) {
14841 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14842 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14843 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14844 opt->value = n = 0;
14845 while(q = StrStr(q, " /// ")) {
14846 n++; *q = 0; // count choices, and null-terminate each of them
14848 if(*q == '*') { // remember default, which is marked with * prefix
14852 cps->comboList[cps->comboCnt++] = q;
14854 cps->comboList[cps->comboCnt++] = NULL;
14856 opt->type = ComboBox;
14857 } else if(p = strstr(opt->name, " -button")) {
14858 opt->type = Button;
14859 } else if(p = strstr(opt->name, " -save")) {
14860 opt->type = SaveButton;
14861 } else return FALSE;
14862 *p = 0; // terminate option name
14863 // now look if the command-line options define a setting for this engine option.
14864 if(cps->optionSettings && cps->optionSettings[0])
14865 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14866 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14867 snprintf(buf, MSG_SIZ, "option %s", p);
14868 if(p = strstr(buf, ",")) *p = 0;
14869 if(q = strchr(buf, '=')) switch(opt->type) {
14871 for(n=0; n<opt->max; n++)
14872 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14875 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14879 opt->value = atoi(q+1);
14884 SendToProgram(buf, cps);
14890 FeatureDone(cps, val)
14891 ChessProgramState* cps;
14894 DelayedEventCallback cb = GetDelayedEvent();
14895 if ((cb == InitBackEnd3 && cps == &first) ||
14896 (cb == SettingsMenuIfReady && cps == &second) ||
14897 (cb == LoadEngine) ||
14898 (cb == TwoMachinesEventIfReady)) {
14899 CancelDelayedEvent();
14900 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14902 cps->initDone = val;
14905 /* Parse feature command from engine */
14907 ParseFeatures(args, cps)
14909 ChessProgramState *cps;
14917 while (*p == ' ') p++;
14918 if (*p == NULLCHAR) return;
14920 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14921 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14922 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14923 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14924 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14925 if (BoolFeature(&p, "reuse", &val, cps)) {
14926 /* Engine can disable reuse, but can't enable it if user said no */
14927 if (!val) cps->reuse = FALSE;
14930 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14931 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14932 if (gameMode == TwoMachinesPlay) {
14933 DisplayTwoMachinesTitle();
14939 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14940 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14941 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14942 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14943 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14944 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14945 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14946 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14947 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14948 if (IntFeature(&p, "done", &val, cps)) {
14949 FeatureDone(cps, val);
14952 /* Added by Tord: */
14953 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14954 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14955 /* End of additions by Tord */
14957 /* [HGM] added features: */
14958 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14959 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14960 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14961 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14962 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14963 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14964 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14965 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14966 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14967 SendToProgram(buf, cps);
14970 if(cps->nrOptions >= MAX_OPTIONS) {
14972 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14973 DisplayError(buf, 0);
14977 /* End of additions by HGM */
14979 /* unknown feature: complain and skip */
14981 while (*q && *q != '=') q++;
14982 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14983 SendToProgram(buf, cps);
14989 while (*p && *p != '\"') p++;
14990 if (*p == '\"') p++;
14992 while (*p && *p != ' ') p++;
15000 PeriodicUpdatesEvent(newState)
15003 if (newState == appData.periodicUpdates)
15006 appData.periodicUpdates=newState;
15008 /* Display type changes, so update it now */
15009 // DisplayAnalysis();
15011 /* Get the ball rolling again... */
15013 AnalysisPeriodicEvent(1);
15014 StartAnalysisClock();
15019 PonderNextMoveEvent(newState)
15022 if (newState == appData.ponderNextMove) return;
15023 if (gameMode == EditPosition) EditPositionDone(TRUE);
15025 SendToProgram("hard\n", &first);
15026 if (gameMode == TwoMachinesPlay) {
15027 SendToProgram("hard\n", &second);
15030 SendToProgram("easy\n", &first);
15031 thinkOutput[0] = NULLCHAR;
15032 if (gameMode == TwoMachinesPlay) {
15033 SendToProgram("easy\n", &second);
15036 appData.ponderNextMove = newState;
15040 NewSettingEvent(option, feature, command, value)
15042 int option, value, *feature;
15046 if (gameMode == EditPosition) EditPositionDone(TRUE);
15047 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15048 if(feature == NULL || *feature) SendToProgram(buf, &first);
15049 if (gameMode == TwoMachinesPlay) {
15050 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15055 ShowThinkingEvent()
15056 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15058 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15059 int newState = appData.showThinking
15060 // [HGM] thinking: other features now need thinking output as well
15061 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15063 if (oldState == newState) return;
15064 oldState = newState;
15065 if (gameMode == EditPosition) EditPositionDone(TRUE);
15067 SendToProgram("post\n", &first);
15068 if (gameMode == TwoMachinesPlay) {
15069 SendToProgram("post\n", &second);
15072 SendToProgram("nopost\n", &first);
15073 thinkOutput[0] = NULLCHAR;
15074 if (gameMode == TwoMachinesPlay) {
15075 SendToProgram("nopost\n", &second);
15078 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15082 AskQuestionEvent(title, question, replyPrefix, which)
15083 char *title; char *question; char *replyPrefix; char *which;
15085 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15086 if (pr == NoProc) return;
15087 AskQuestion(title, question, replyPrefix, pr);
15091 TypeInEvent(char firstChar)
15093 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15094 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15095 gameMode == AnalyzeMode || gameMode == EditGame ||
15096 gameMode == EditPosition || gameMode == IcsExamining ||
15097 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15098 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15099 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15100 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15101 gameMode == Training) PopUpMoveDialog(firstChar);
15105 TypeInDoneEvent(char *move)
15108 int n, fromX, fromY, toX, toY;
15110 ChessMove moveType;
15113 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15114 EditPositionPasteFEN(move);
15117 // [HGM] movenum: allow move number to be typed in any mode
15118 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15123 if (gameMode != EditGame && currentMove != forwardMostMove &&
15124 gameMode != Training) {
15125 DisplayMoveError(_("Displayed move is not current"));
15127 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15128 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15129 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15130 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15131 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15132 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15134 DisplayMoveError(_("Could not parse move"));
15140 DisplayMove(moveNumber)
15143 char message[MSG_SIZ];
15145 char cpThinkOutput[MSG_SIZ];
15147 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15149 if (moveNumber == forwardMostMove - 1 ||
15150 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15152 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15154 if (strchr(cpThinkOutput, '\n')) {
15155 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15158 *cpThinkOutput = NULLCHAR;
15161 /* [AS] Hide thinking from human user */
15162 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15163 *cpThinkOutput = NULLCHAR;
15164 if( thinkOutput[0] != NULLCHAR ) {
15167 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15168 cpThinkOutput[i] = '.';
15170 cpThinkOutput[i] = NULLCHAR;
15171 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15175 if (moveNumber == forwardMostMove - 1 &&
15176 gameInfo.resultDetails != NULL) {
15177 if (gameInfo.resultDetails[0] == NULLCHAR) {
15178 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15180 snprintf(res, MSG_SIZ, " {%s} %s",
15181 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15187 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15188 DisplayMessage(res, cpThinkOutput);
15190 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15191 WhiteOnMove(moveNumber) ? " " : ".. ",
15192 parseList[moveNumber], res);
15193 DisplayMessage(message, cpThinkOutput);
15198 DisplayComment(moveNumber, text)
15202 char title[MSG_SIZ];
15203 char buf[8000]; // comment can be long!
15206 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15207 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15209 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15210 WhiteOnMove(moveNumber) ? " " : ".. ",
15211 parseList[moveNumber]);
15213 // [HGM] PV info: display PV info together with (or as) comment
15214 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
15215 if(text == NULL) text = "";
15216 score = pvInfoList[moveNumber].score;
15217 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
15218 depth, (pvInfoList[moveNumber].time+50)/100, text);
15221 if (text != NULL && (appData.autoDisplayComment || commentUp))
15222 CommentPopUp(title, text);
15225 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15226 * might be busy thinking or pondering. It can be omitted if your
15227 * gnuchess is configured to stop thinking immediately on any user
15228 * input. However, that gnuchess feature depends on the FIONREAD
15229 * ioctl, which does not work properly on some flavors of Unix.
15233 ChessProgramState *cps;
15236 if (!cps->useSigint) return;
15237 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15238 switch (gameMode) {
15239 case MachinePlaysWhite:
15240 case MachinePlaysBlack:
15241 case TwoMachinesPlay:
15242 case IcsPlayingWhite:
15243 case IcsPlayingBlack:
15246 /* Skip if we know it isn't thinking */
15247 if (!cps->maybeThinking) return;
15248 if (appData.debugMode)
15249 fprintf(debugFP, "Interrupting %s\n", cps->which);
15250 InterruptChildProcess(cps->pr);
15251 cps->maybeThinking = FALSE;
15256 #endif /*ATTENTION*/
15262 if (whiteTimeRemaining <= 0) {
15265 if (appData.icsActive) {
15266 if (appData.autoCallFlag &&
15267 gameMode == IcsPlayingBlack && !blackFlag) {
15268 SendToICS(ics_prefix);
15269 SendToICS("flag\n");
15273 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15275 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15276 if (appData.autoCallFlag) {
15277 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15284 if (blackTimeRemaining <= 0) {
15287 if (appData.icsActive) {
15288 if (appData.autoCallFlag &&
15289 gameMode == IcsPlayingWhite && !whiteFlag) {
15290 SendToICS(ics_prefix);
15291 SendToICS("flag\n");
15295 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15297 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15298 if (appData.autoCallFlag) {
15299 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15312 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15313 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15316 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15318 if ( !WhiteOnMove(forwardMostMove) ) {
15319 /* White made time control */
15320 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15321 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15322 /* [HGM] time odds: correct new time quota for time odds! */
15323 / WhitePlayer()->timeOdds;
15324 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15326 lastBlack -= blackTimeRemaining;
15327 /* Black made time control */
15328 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15329 / WhitePlayer()->other->timeOdds;
15330 lastWhite = whiteTimeRemaining;
15335 DisplayBothClocks()
15337 int wom = gameMode == EditPosition ?
15338 !blackPlaysFirst : WhiteOnMove(currentMove);
15339 DisplayWhiteClock(whiteTimeRemaining, wom);
15340 DisplayBlackClock(blackTimeRemaining, !wom);
15344 /* Timekeeping seems to be a portability nightmare. I think everyone
15345 has ftime(), but I'm really not sure, so I'm including some ifdefs
15346 to use other calls if you don't. Clocks will be less accurate if
15347 you have neither ftime nor gettimeofday.
15350 /* VS 2008 requires the #include outside of the function */
15351 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15352 #include <sys/timeb.h>
15355 /* Get the current time as a TimeMark */
15360 #if HAVE_GETTIMEOFDAY
15362 struct timeval timeVal;
15363 struct timezone timeZone;
15365 gettimeofday(&timeVal, &timeZone);
15366 tm->sec = (long) timeVal.tv_sec;
15367 tm->ms = (int) (timeVal.tv_usec / 1000L);
15369 #else /*!HAVE_GETTIMEOFDAY*/
15372 // include <sys/timeb.h> / moved to just above start of function
15373 struct timeb timeB;
15376 tm->sec = (long) timeB.time;
15377 tm->ms = (int) timeB.millitm;
15379 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15380 tm->sec = (long) time(NULL);
15386 /* Return the difference in milliseconds between two
15387 time marks. We assume the difference will fit in a long!
15390 SubtractTimeMarks(tm2, tm1)
15391 TimeMark *tm2, *tm1;
15393 return 1000L*(tm2->sec - tm1->sec) +
15394 (long) (tm2->ms - tm1->ms);
15399 * Code to manage the game clocks.
15401 * In tournament play, black starts the clock and then white makes a move.
15402 * We give the human user a slight advantage if he is playing white---the
15403 * clocks don't run until he makes his first move, so it takes zero time.
15404 * Also, we don't account for network lag, so we could get out of sync
15405 * with GNU Chess's clock -- but then, referees are always right.
15408 static TimeMark tickStartTM;
15409 static long intendedTickLength;
15412 NextTickLength(timeRemaining)
15413 long timeRemaining;
15415 long nominalTickLength, nextTickLength;
15417 if (timeRemaining > 0L && timeRemaining <= 10000L)
15418 nominalTickLength = 100L;
15420 nominalTickLength = 1000L;
15421 nextTickLength = timeRemaining % nominalTickLength;
15422 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15424 return nextTickLength;
15427 /* Adjust clock one minute up or down */
15429 AdjustClock(Boolean which, int dir)
15431 if(which) blackTimeRemaining += 60000*dir;
15432 else whiteTimeRemaining += 60000*dir;
15433 DisplayBothClocks();
15436 /* Stop clocks and reset to a fresh time control */
15440 (void) StopClockTimer();
15441 if (appData.icsActive) {
15442 whiteTimeRemaining = blackTimeRemaining = 0;
15443 } else if (searchTime) {
15444 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15445 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15446 } else { /* [HGM] correct new time quote for time odds */
15447 whiteTC = blackTC = fullTimeControlString;
15448 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15449 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15451 if (whiteFlag || blackFlag) {
15453 whiteFlag = blackFlag = FALSE;
15455 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15456 DisplayBothClocks();
15459 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15461 /* Decrement running clock by amount of time that has passed */
15465 long timeRemaining;
15466 long lastTickLength, fudge;
15469 if (!appData.clockMode) return;
15470 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15474 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15476 /* Fudge if we woke up a little too soon */
15477 fudge = intendedTickLength - lastTickLength;
15478 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15480 if (WhiteOnMove(forwardMostMove)) {
15481 if(whiteNPS >= 0) lastTickLength = 0;
15482 timeRemaining = whiteTimeRemaining -= lastTickLength;
15483 if(timeRemaining < 0 && !appData.icsActive) {
15484 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15485 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15486 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15487 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15490 DisplayWhiteClock(whiteTimeRemaining - fudge,
15491 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15493 if(blackNPS >= 0) lastTickLength = 0;
15494 timeRemaining = blackTimeRemaining -= lastTickLength;
15495 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15496 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15498 blackStartMove = forwardMostMove;
15499 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15502 DisplayBlackClock(blackTimeRemaining - fudge,
15503 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15505 if (CheckFlags()) return;
15508 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15509 StartClockTimer(intendedTickLength);
15511 /* if the time remaining has fallen below the alarm threshold, sound the
15512 * alarm. if the alarm has sounded and (due to a takeback or time control
15513 * with increment) the time remaining has increased to a level above the
15514 * threshold, reset the alarm so it can sound again.
15517 if (appData.icsActive && appData.icsAlarm) {
15519 /* make sure we are dealing with the user's clock */
15520 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15521 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15524 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15525 alarmSounded = FALSE;
15526 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15528 alarmSounded = TRUE;
15534 /* A player has just moved, so stop the previously running
15535 clock and (if in clock mode) start the other one.
15536 We redisplay both clocks in case we're in ICS mode, because
15537 ICS gives us an update to both clocks after every move.
15538 Note that this routine is called *after* forwardMostMove
15539 is updated, so the last fractional tick must be subtracted
15540 from the color that is *not* on move now.
15543 SwitchClocks(int newMoveNr)
15545 long lastTickLength;
15547 int flagged = FALSE;
15551 if (StopClockTimer() && appData.clockMode) {
15552 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15553 if (!WhiteOnMove(forwardMostMove)) {
15554 if(blackNPS >= 0) lastTickLength = 0;
15555 blackTimeRemaining -= lastTickLength;
15556 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15557 // if(pvInfoList[forwardMostMove].time == -1)
15558 pvInfoList[forwardMostMove].time = // use GUI time
15559 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15561 if(whiteNPS >= 0) lastTickLength = 0;
15562 whiteTimeRemaining -= lastTickLength;
15563 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15564 // if(pvInfoList[forwardMostMove].time == -1)
15565 pvInfoList[forwardMostMove].time =
15566 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15568 flagged = CheckFlags();
15570 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15571 CheckTimeControl();
15573 if (flagged || !appData.clockMode) return;
15575 switch (gameMode) {
15576 case MachinePlaysBlack:
15577 case MachinePlaysWhite:
15578 case BeginningOfGame:
15579 if (pausing) return;
15583 case PlayFromGameFile:
15591 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15592 if(WhiteOnMove(forwardMostMove))
15593 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15594 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15598 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15599 whiteTimeRemaining : blackTimeRemaining);
15600 StartClockTimer(intendedTickLength);
15604 /* Stop both clocks */
15608 long lastTickLength;
15611 if (!StopClockTimer()) return;
15612 if (!appData.clockMode) return;
15616 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15617 if (WhiteOnMove(forwardMostMove)) {
15618 if(whiteNPS >= 0) lastTickLength = 0;
15619 whiteTimeRemaining -= lastTickLength;
15620 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15622 if(blackNPS >= 0) lastTickLength = 0;
15623 blackTimeRemaining -= lastTickLength;
15624 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15629 /* Start clock of player on move. Time may have been reset, so
15630 if clock is already running, stop and restart it. */
15634 (void) StopClockTimer(); /* in case it was running already */
15635 DisplayBothClocks();
15636 if (CheckFlags()) return;
15638 if (!appData.clockMode) return;
15639 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15641 GetTimeMark(&tickStartTM);
15642 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15643 whiteTimeRemaining : blackTimeRemaining);
15645 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15646 whiteNPS = blackNPS = -1;
15647 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15648 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15649 whiteNPS = first.nps;
15650 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15651 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15652 blackNPS = first.nps;
15653 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15654 whiteNPS = second.nps;
15655 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15656 blackNPS = second.nps;
15657 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15659 StartClockTimer(intendedTickLength);
15666 long second, minute, hour, day;
15668 static char buf[32];
15670 if (ms > 0 && ms <= 9900) {
15671 /* convert milliseconds to tenths, rounding up */
15672 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15674 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15678 /* convert milliseconds to seconds, rounding up */
15679 /* use floating point to avoid strangeness of integer division
15680 with negative dividends on many machines */
15681 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15688 day = second / (60 * 60 * 24);
15689 second = second % (60 * 60 * 24);
15690 hour = second / (60 * 60);
15691 second = second % (60 * 60);
15692 minute = second / 60;
15693 second = second % 60;
15696 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15697 sign, day, hour, minute, second);
15699 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15701 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15708 * This is necessary because some C libraries aren't ANSI C compliant yet.
15711 StrStr(string, match)
15712 char *string, *match;
15716 length = strlen(match);
15718 for (i = strlen(string) - length; i >= 0; i--, string++)
15719 if (!strncmp(match, string, length))
15726 StrCaseStr(string, match)
15727 char *string, *match;
15731 length = strlen(match);
15733 for (i = strlen(string) - length; i >= 0; i--, string++) {
15734 for (j = 0; j < length; j++) {
15735 if (ToLower(match[j]) != ToLower(string[j]))
15738 if (j == length) return string;
15752 c1 = ToLower(*s1++);
15753 c2 = ToLower(*s2++);
15754 if (c1 > c2) return 1;
15755 if (c1 < c2) return -1;
15756 if (c1 == NULLCHAR) return 0;
15765 return isupper(c) ? tolower(c) : c;
15773 return islower(c) ? toupper(c) : c;
15775 #endif /* !_amigados */
15783 if ((ret = (char *) malloc(strlen(s) + 1)))
15785 safeStrCpy(ret, s, strlen(s)+1);
15791 StrSavePtr(s, savePtr)
15792 char *s, **savePtr;
15797 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15798 safeStrCpy(*savePtr, s, strlen(s)+1);
15810 clock = time((time_t *)NULL);
15811 tm = localtime(&clock);
15812 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15813 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15814 return StrSave(buf);
15819 PositionToFEN(move, overrideCastling)
15821 char *overrideCastling;
15823 int i, j, fromX, fromY, toX, toY;
15830 whiteToPlay = (gameMode == EditPosition) ?
15831 !blackPlaysFirst : (move % 2 == 0);
15834 /* Piece placement data */
15835 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15836 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
15838 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15839 if (boards[move][i][j] == EmptySquare) {
15841 } else { ChessSquare piece = boards[move][i][j];
15842 if (emptycount > 0) {
15843 if(emptycount<10) /* [HGM] can be >= 10 */
15844 *p++ = '0' + emptycount;
15845 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15848 if(PieceToChar(piece) == '+') {
15849 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15851 piece = (ChessSquare)(DEMOTED piece);
15853 *p++ = PieceToChar(piece);
15855 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15856 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15861 if (emptycount > 0) {
15862 if(emptycount<10) /* [HGM] can be >= 10 */
15863 *p++ = '0' + emptycount;
15864 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15871 /* [HGM] print Crazyhouse or Shogi holdings */
15872 if( gameInfo.holdingsWidth ) {
15873 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15875 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15876 piece = boards[move][i][BOARD_WIDTH-1];
15877 if( piece != EmptySquare )
15878 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15879 *p++ = PieceToChar(piece);
15881 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15882 piece = boards[move][BOARD_HEIGHT-i-1][0];
15883 if( piece != EmptySquare )
15884 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15885 *p++ = PieceToChar(piece);
15888 if( q == p ) *p++ = '-';
15894 *p++ = whiteToPlay ? 'w' : 'b';
15897 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15898 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15900 if(nrCastlingRights) {
15902 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15903 /* [HGM] write directly from rights */
15904 if(boards[move][CASTLING][2] != NoRights &&
15905 boards[move][CASTLING][0] != NoRights )
15906 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15907 if(boards[move][CASTLING][2] != NoRights &&
15908 boards[move][CASTLING][1] != NoRights )
15909 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15910 if(boards[move][CASTLING][5] != NoRights &&
15911 boards[move][CASTLING][3] != NoRights )
15912 *p++ = boards[move][CASTLING][3] + AAA;
15913 if(boards[move][CASTLING][5] != NoRights &&
15914 boards[move][CASTLING][4] != NoRights )
15915 *p++ = boards[move][CASTLING][4] + AAA;
15918 /* [HGM] write true castling rights */
15919 if( nrCastlingRights == 6 ) {
15920 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15921 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15922 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15923 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15924 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15925 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15926 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15927 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15930 if (q == p) *p++ = '-'; /* No castling rights */
15934 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15935 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15936 /* En passant target square */
15937 if (move > backwardMostMove) {
15938 fromX = moveList[move - 1][0] - AAA;
15939 fromY = moveList[move - 1][1] - ONE;
15940 toX = moveList[move - 1][2] - AAA;
15941 toY = moveList[move - 1][3] - ONE;
15942 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15943 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15944 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15946 /* 2-square pawn move just happened */
15948 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15952 } else if(move == backwardMostMove) {
15953 // [HGM] perhaps we should always do it like this, and forget the above?
15954 if((signed char)boards[move][EP_STATUS] >= 0) {
15955 *p++ = boards[move][EP_STATUS] + AAA;
15956 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15967 /* [HGM] find reversible plies */
15968 { int i = 0, j=move;
15970 if (appData.debugMode) { int k;
15971 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15972 for(k=backwardMostMove; k<=forwardMostMove; k++)
15973 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15977 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15978 if( j == backwardMostMove ) i += initialRulePlies;
15979 sprintf(p, "%d ", i);
15980 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15982 /* Fullmove number */
15983 sprintf(p, "%d", (move / 2) + 1);
15985 return StrSave(buf);
15989 ParseFEN(board, blackPlaysFirst, fen)
15991 int *blackPlaysFirst;
16001 /* [HGM] by default clear Crazyhouse holdings, if present */
16002 if(gameInfo.holdingsWidth) {
16003 for(i=0; i<BOARD_HEIGHT; i++) {
16004 board[i][0] = EmptySquare; /* black holdings */
16005 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16006 board[i][1] = (ChessSquare) 0; /* black counts */
16007 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16011 /* Piece placement data */
16012 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16015 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16016 if (*p == '/') p++;
16017 emptycount = gameInfo.boardWidth - j;
16018 while (emptycount--)
16019 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16021 #if(BOARD_FILES >= 10)
16022 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16023 p++; emptycount=10;
16024 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16025 while (emptycount--)
16026 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16028 } else if (isdigit(*p)) {
16029 emptycount = *p++ - '0';
16030 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16031 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16032 while (emptycount--)
16033 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16034 } else if (*p == '+' || isalpha(*p)) {
16035 if (j >= gameInfo.boardWidth) return FALSE;
16037 piece = CharToPiece(*++p);
16038 if(piece == EmptySquare) return FALSE; /* unknown piece */
16039 piece = (ChessSquare) (PROMOTED piece ); p++;
16040 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16041 } else piece = CharToPiece(*p++);
16043 if(piece==EmptySquare) return FALSE; /* unknown piece */
16044 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16045 piece = (ChessSquare) (PROMOTED piece);
16046 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16049 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16055 while (*p == '/' || *p == ' ') p++;
16057 /* [HGM] look for Crazyhouse holdings here */
16058 while(*p==' ') p++;
16059 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16061 if(*p == '-' ) p++; /* empty holdings */ else {
16062 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16063 /* if we would allow FEN reading to set board size, we would */
16064 /* have to add holdings and shift the board read so far here */
16065 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16067 if((int) piece >= (int) BlackPawn ) {
16068 i = (int)piece - (int)BlackPawn;
16069 i = PieceToNumber((ChessSquare)i);
16070 if( i >= gameInfo.holdingsSize ) return FALSE;
16071 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16072 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16074 i = (int)piece - (int)WhitePawn;
16075 i = PieceToNumber((ChessSquare)i);
16076 if( i >= gameInfo.holdingsSize ) return FALSE;
16077 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16078 board[i][BOARD_WIDTH-2]++; /* black holdings */
16085 while(*p == ' ') p++;
16089 if(appData.colorNickNames) {
16090 if( c == appData.colorNickNames[0] ) c = 'w'; else
16091 if( c == appData.colorNickNames[1] ) c = 'b';
16095 *blackPlaysFirst = FALSE;
16098 *blackPlaysFirst = TRUE;
16104 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16105 /* return the extra info in global variiables */
16107 /* set defaults in case FEN is incomplete */
16108 board[EP_STATUS] = EP_UNKNOWN;
16109 for(i=0; i<nrCastlingRights; i++ ) {
16110 board[CASTLING][i] =
16111 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16112 } /* assume possible unless obviously impossible */
16113 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16114 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16115 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16116 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16117 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16118 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16119 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16120 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16123 while(*p==' ') p++;
16124 if(nrCastlingRights) {
16125 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16126 /* castling indicator present, so default becomes no castlings */
16127 for(i=0; i<nrCastlingRights; i++ ) {
16128 board[CASTLING][i] = NoRights;
16131 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16132 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16133 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16134 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16135 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16137 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16138 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16139 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16141 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16142 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16143 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16144 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16145 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16146 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16149 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16150 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16151 board[CASTLING][2] = whiteKingFile;
16154 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16155 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16156 board[CASTLING][2] = whiteKingFile;
16159 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16160 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16161 board[CASTLING][5] = blackKingFile;
16164 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16165 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16166 board[CASTLING][5] = blackKingFile;
16169 default: /* FRC castlings */
16170 if(c >= 'a') { /* black rights */
16171 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16172 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16173 if(i == BOARD_RGHT) break;
16174 board[CASTLING][5] = i;
16176 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16177 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16179 board[CASTLING][3] = c;
16181 board[CASTLING][4] = c;
16182 } else { /* white rights */
16183 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16184 if(board[0][i] == WhiteKing) break;
16185 if(i == BOARD_RGHT) break;
16186 board[CASTLING][2] = i;
16187 c -= AAA - 'a' + 'A';
16188 if(board[0][c] >= WhiteKing) break;
16190 board[CASTLING][0] = c;
16192 board[CASTLING][1] = c;
16196 for(i=0; i<nrCastlingRights; i++)
16197 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16198 if (appData.debugMode) {
16199 fprintf(debugFP, "FEN castling rights:");
16200 for(i=0; i<nrCastlingRights; i++)
16201 fprintf(debugFP, " %d", board[CASTLING][i]);
16202 fprintf(debugFP, "\n");
16205 while(*p==' ') p++;
16208 /* read e.p. field in games that know e.p. capture */
16209 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16210 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16212 p++; board[EP_STATUS] = EP_NONE;
16214 char c = *p++ - AAA;
16216 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16217 if(*p >= '0' && *p <='9') p++;
16218 board[EP_STATUS] = c;
16223 if(sscanf(p, "%d", &i) == 1) {
16224 FENrulePlies = i; /* 50-move ply counter */
16225 /* (The move number is still ignored) */
16232 EditPositionPasteFEN(char *fen)
16235 Board initial_position;
16237 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16238 DisplayError(_("Bad FEN position in clipboard"), 0);
16241 int savedBlackPlaysFirst = blackPlaysFirst;
16242 EditPositionEvent();
16243 blackPlaysFirst = savedBlackPlaysFirst;
16244 CopyBoard(boards[0], initial_position);
16245 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16246 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16247 DisplayBothClocks();
16248 DrawPosition(FALSE, boards[currentMove]);
16253 static char cseq[12] = "\\ ";
16255 Boolean set_cont_sequence(char *new_seq)
16260 // handle bad attempts to set the sequence
16262 return 0; // acceptable error - no debug
16264 len = strlen(new_seq);
16265 ret = (len > 0) && (len < sizeof(cseq));
16267 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16268 else if (appData.debugMode)
16269 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16274 reformat a source message so words don't cross the width boundary. internal
16275 newlines are not removed. returns the wrapped size (no null character unless
16276 included in source message). If dest is NULL, only calculate the size required
16277 for the dest buffer. lp argument indicats line position upon entry, and it's
16278 passed back upon exit.
16280 int wrap(char *dest, char *src, int count, int width, int *lp)
16282 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16284 cseq_len = strlen(cseq);
16285 old_line = line = *lp;
16286 ansi = len = clen = 0;
16288 for (i=0; i < count; i++)
16290 if (src[i] == '\033')
16293 // if we hit the width, back up
16294 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16296 // store i & len in case the word is too long
16297 old_i = i, old_len = len;
16299 // find the end of the last word
16300 while (i && src[i] != ' ' && src[i] != '\n')
16306 // word too long? restore i & len before splitting it
16307 if ((old_i-i+clen) >= width)
16314 if (i && src[i-1] == ' ')
16317 if (src[i] != ' ' && src[i] != '\n')
16324 // now append the newline and continuation sequence
16329 strncpy(dest+len, cseq, cseq_len);
16337 dest[len] = src[i];
16341 if (src[i] == '\n')
16346 if (dest && appData.debugMode)
16348 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16349 count, width, line, len, *lp);
16350 show_bytes(debugFP, src, count);
16351 fprintf(debugFP, "\ndest: ");
16352 show_bytes(debugFP, dest, len);
16353 fprintf(debugFP, "\n");
16355 *lp = dest ? line : old_line;
16360 // [HGM] vari: routines for shelving variations
16363 PushInner(int firstMove, int lastMove)
16365 int i, j, nrMoves = lastMove - firstMove;
16367 // push current tail of game on stack
16368 savedResult[storedGames] = gameInfo.result;
16369 savedDetails[storedGames] = gameInfo.resultDetails;
16370 gameInfo.resultDetails = NULL;
16371 savedFirst[storedGames] = firstMove;
16372 savedLast [storedGames] = lastMove;
16373 savedFramePtr[storedGames] = framePtr;
16374 framePtr -= nrMoves; // reserve space for the boards
16375 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16376 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16377 for(j=0; j<MOVE_LEN; j++)
16378 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16379 for(j=0; j<2*MOVE_LEN; j++)
16380 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16381 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16382 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16383 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16384 pvInfoList[firstMove+i-1].depth = 0;
16385 commentList[framePtr+i] = commentList[firstMove+i];
16386 commentList[firstMove+i] = NULL;
16390 forwardMostMove = firstMove; // truncate game so we can start variation
16394 PushTail(int firstMove, int lastMove)
16396 if(appData.icsActive) { // only in local mode
16397 forwardMostMove = currentMove; // mimic old ICS behavior
16400 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16402 PushInner(firstMove, lastMove);
16403 if(storedGames == 1) GreyRevert(FALSE);
16407 PopInner(Boolean annotate)
16410 char buf[8000], moveBuf[20];
16413 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16414 nrMoves = savedLast[storedGames] - currentMove;
16417 if(!WhiteOnMove(currentMove))
16418 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16419 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16420 for(i=currentMove; i<forwardMostMove; i++) {
16422 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16423 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16424 strcat(buf, moveBuf);
16425 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16426 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16430 for(i=1; i<=nrMoves; i++) { // copy last variation back
16431 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16432 for(j=0; j<MOVE_LEN; j++)
16433 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16434 for(j=0; j<2*MOVE_LEN; j++)
16435 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16436 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16437 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16438 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16439 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16440 commentList[currentMove+i] = commentList[framePtr+i];
16441 commentList[framePtr+i] = NULL;
16443 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16444 framePtr = savedFramePtr[storedGames];
16445 gameInfo.result = savedResult[storedGames];
16446 if(gameInfo.resultDetails != NULL) {
16447 free(gameInfo.resultDetails);
16449 gameInfo.resultDetails = savedDetails[storedGames];
16450 forwardMostMove = currentMove + nrMoves;
16454 PopTail(Boolean annotate)
16456 if(appData.icsActive) return FALSE; // only in local mode
16457 if(!storedGames) return FALSE; // sanity
16458 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16460 PopInner(annotate);
16462 if(storedGames == 0) GreyRevert(TRUE);
16468 { // remove all shelved variations
16470 for(i=0; i<storedGames; i++) {
16471 if(savedDetails[i])
16472 free(savedDetails[i]);
16473 savedDetails[i] = NULL;
16475 for(i=framePtr; i<MAX_MOVES; i++) {
16476 if(commentList[i]) free(commentList[i]);
16477 commentList[i] = NULL;
16479 framePtr = MAX_MOVES-1;
16484 LoadVariation(int index, char *text)
16485 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16486 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16487 int level = 0, move;
16489 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16490 // first find outermost bracketing variation
16491 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16492 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16493 if(*p == '{') wait = '}'; else
16494 if(*p == '[') wait = ']'; else
16495 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16496 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16498 if(*p == wait) wait = NULLCHAR; // closing ]} found
16501 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16502 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16503 end[1] = NULLCHAR; // clip off comment beyond variation
16504 ToNrEvent(currentMove-1);
16505 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16506 // kludge: use ParsePV() to append variation to game
16507 move = currentMove;
16508 ParsePV(start, TRUE, TRUE);
16509 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16510 ClearPremoveHighlights();
16512 ToNrEvent(currentMove+1);