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 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 /* A point in time */
152 long sec; /* Assuming this is >= 32 bits */
153 int ms; /* Assuming this is >= 16 bits */
156 int establish P((void));
157 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
158 char *buf, int count, int error));
159 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
160 char *buf, int count, int error));
161 void ics_printf P((char *format, ...));
162 void SendToICS P((char *s));
163 void SendToICSDelayed P((char *s, long msdelay));
164 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
165 void HandleMachineMove P((char *message, ChessProgramState *cps));
166 int AutoPlayOneMove P((void));
167 int LoadGameOneMove P((ChessMove readAhead));
168 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
169 int LoadPositionFromFile P((char *filename, int n, char *title));
170 int SavePositionToFile P((char *filename));
171 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
172 void ShowMove P((int fromX, int fromY, int toX, int toY));
173 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
174 /*char*/int promoChar));
175 void BackwardInner P((int target));
176 void ForwardInner P((int target));
177 int Adjudicate P((ChessProgramState *cps));
178 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
179 void EditPositionDone P((Boolean fakeRights));
180 void PrintOpponents P((FILE *fp));
181 void PrintPosition P((FILE *fp, int move));
182 void StartChessProgram P((ChessProgramState *cps));
183 void SendToProgram P((char *message, ChessProgramState *cps));
184 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
185 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
186 char *buf, int count, int error));
187 void SendTimeControl P((ChessProgramState *cps,
188 int mps, long tc, int inc, int sd, int st));
189 char *TimeControlTagValue P((void));
190 void Attention P((ChessProgramState *cps));
191 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
192 int ResurrectChessProgram P((void));
193 void DisplayComment P((int moveNumber, char *text));
194 void DisplayMove P((int moveNumber));
196 void ParseGameHistory P((char *game));
197 void ParseBoard12 P((char *string));
198 void KeepAlive P((void));
199 void StartClocks P((void));
200 void SwitchClocks P((int nr));
201 void StopClocks P((void));
202 void ResetClocks P((void));
203 char *PGNDate P((void));
204 void SetGameInfo P((void));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
228 void NextMatchGame P((void));
229 int NextTourneyGame P((int nr, int *swap));
230 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
231 FILE *WriteTourneyFile P((char *results, FILE *f));
232 void DisplayTwoMachinesTitle P(());
235 extern void ConsoleCreate();
238 ChessProgramState *WhitePlayer();
239 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
240 int VerifyDisplayMode P(());
242 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
243 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
244 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
245 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
246 void ics_update_width P((int new_width));
247 extern char installDir[MSG_SIZ];
248 VariantClass startVariant; /* [HGM] nicks: initial variant */
251 extern int tinyLayout, smallLayout;
252 ChessProgramStats programStats;
253 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
255 static int exiting = 0; /* [HGM] moved to top */
256 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
257 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
258 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
259 int partnerHighlight[2];
260 Boolean partnerBoardValid = 0;
261 char partnerStatus[MSG_SIZ];
263 Boolean originalFlip;
264 Boolean twoBoards = 0;
265 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
266 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
267 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
268 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
269 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
270 int opponentKibitzes;
271 int lastSavedGame; /* [HGM] save: ID of game */
272 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
273 extern int chatCount;
275 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
276 char lastMsg[MSG_SIZ];
277 ChessSquare pieceSweep = EmptySquare;
278 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
279 int promoDefaultAltered;
281 /* States for ics_getting_history */
283 #define H_REQUESTED 1
284 #define H_GOT_REQ_HEADER 2
285 #define H_GOT_UNREQ_HEADER 3
286 #define H_GETTING_MOVES 4
287 #define H_GOT_UNWANTED_HEADER 5
289 /* whosays values for GameEnds */
298 /* Maximum number of games in a cmail message */
299 #define CMAIL_MAX_GAMES 20
301 /* Different types of move when calling RegisterMove */
303 #define CMAIL_RESIGN 1
305 #define CMAIL_ACCEPT 3
307 /* Different types of result to remember for each game */
308 #define CMAIL_NOT_RESULT 0
309 #define CMAIL_OLD_RESULT 1
310 #define CMAIL_NEW_RESULT 2
312 /* Telnet protocol constants */
323 safeStrCpy( char *dst, const char *src, size_t count )
326 assert( dst != NULL );
327 assert( src != NULL );
330 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
331 if( i == count && dst[count-1] != NULLCHAR)
333 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
334 if(appData.debugMode)
335 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
341 /* Some compiler can't cast u64 to double
342 * This function do the job for us:
344 * We use the highest bit for cast, this only
345 * works if the highest bit is not
346 * in use (This should not happen)
348 * We used this for all compiler
351 u64ToDouble(u64 value)
354 u64 tmp = value & u64Const(0x7fffffffffffffff);
355 r = (double)(s64)tmp;
356 if (value & u64Const(0x8000000000000000))
357 r += 9.2233720368547758080e18; /* 2^63 */
361 /* Fake up flags for now, as we aren't keeping track of castling
362 availability yet. [HGM] Change of logic: the flag now only
363 indicates the type of castlings allowed by the rule of the game.
364 The actual rights themselves are maintained in the array
365 castlingRights, as part of the game history, and are not probed
371 int flags = F_ALL_CASTLE_OK;
372 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
373 switch (gameInfo.variant) {
375 flags &= ~F_ALL_CASTLE_OK;
376 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
377 flags |= F_IGNORE_CHECK;
379 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
382 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
384 case VariantKriegspiel:
385 flags |= F_KRIEGSPIEL_CAPTURE;
387 case VariantCapaRandom:
388 case VariantFischeRandom:
389 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
390 case VariantNoCastle:
391 case VariantShatranj:
395 flags &= ~F_ALL_CASTLE_OK;
403 FILE *gameFileFP, *debugFP;
406 [AS] Note: sometimes, the sscanf() function is used to parse the input
407 into a fixed-size buffer. Because of this, we must be prepared to
408 receive strings as long as the size of the input buffer, which is currently
409 set to 4K for Windows and 8K for the rest.
410 So, we must either allocate sufficiently large buffers here, or
411 reduce the size of the input buffer in the input reading part.
414 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
415 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
416 char thinkOutput1[MSG_SIZ*10];
418 ChessProgramState first, second, pairing;
420 /* premove variables */
423 int premoveFromX = 0;
424 int premoveFromY = 0;
425 int premovePromoChar = 0;
427 Boolean alarmSounded;
428 /* end premove variables */
430 char *ics_prefix = "$";
431 int ics_type = ICS_GENERIC;
433 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
434 int pauseExamForwardMostMove = 0;
435 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
436 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
437 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
438 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
439 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
440 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
441 int whiteFlag = FALSE, blackFlag = FALSE;
442 int userOfferedDraw = FALSE;
443 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
444 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
445 int cmailMoveType[CMAIL_MAX_GAMES];
446 long ics_clock_paused = 0;
447 ProcRef icsPR = NoProc, cmailPR = NoProc;
448 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
449 GameMode gameMode = BeginningOfGame;
450 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
451 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
452 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
453 int hiddenThinkOutputState = 0; /* [AS] */
454 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
455 int adjudicateLossPlies = 6;
456 char white_holding[64], black_holding[64];
457 TimeMark lastNodeCountTime;
458 long lastNodeCount=0;
459 int shiftKey; // [HGM] set by mouse handler
461 int have_sent_ICS_logon = 0;
463 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
464 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
465 Boolean adjustedClock;
466 long timeControl_2; /* [AS] Allow separate time controls */
467 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
468 long timeRemaining[2][MAX_MOVES];
469 int matchGame = 0, nextGame = 0, roundNr = 0;
470 Boolean waitingForGame = FALSE;
471 TimeMark programStartTime, pauseStart;
472 char ics_handle[MSG_SIZ];
473 int have_set_title = 0;
475 /* animateTraining preserves the state of appData.animate
476 * when Training mode is activated. This allows the
477 * response to be animated when appData.animate == TRUE and
478 * appData.animateDragging == TRUE.
480 Boolean animateTraining;
486 Board boards[MAX_MOVES];
487 /* [HGM] Following 7 needed for accurate legality tests: */
488 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
489 signed char initialRights[BOARD_FILES];
490 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
491 int initialRulePlies, FENrulePlies;
492 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
494 Boolean shuffleOpenings;
495 int mute; // mute all sounds
497 // [HGM] vari: next 12 to save and restore variations
498 #define MAX_VARIATIONS 10
499 int framePtr = MAX_MOVES-1; // points to free stack entry
501 int savedFirst[MAX_VARIATIONS];
502 int savedLast[MAX_VARIATIONS];
503 int savedFramePtr[MAX_VARIATIONS];
504 char *savedDetails[MAX_VARIATIONS];
505 ChessMove savedResult[MAX_VARIATIONS];
507 void PushTail P((int firstMove, int lastMove));
508 Boolean PopTail P((Boolean annotate));
509 void PushInner P((int firstMove, int lastMove));
510 void PopInner P((Boolean annotate));
511 void CleanupTail P((void));
513 ChessSquare FIDEArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackBishop, BlackKnight, BlackRook }
520 ChessSquare twoKingsArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
522 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
523 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
524 BlackKing, BlackKing, BlackKnight, BlackRook }
527 ChessSquare KnightmateArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
529 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
530 { BlackRook, BlackMan, BlackBishop, BlackQueen,
531 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
534 ChessSquare SpartanArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
538 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
541 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
544 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
545 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
548 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
550 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
552 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
555 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
556 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
557 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
558 { BlackRook, BlackKnight, BlackMan, BlackFerz,
559 BlackKing, BlackMan, BlackKnight, BlackRook }
563 #if (BOARD_FILES>=10)
564 ChessSquare ShogiArray[2][BOARD_FILES] = {
565 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
566 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
567 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
568 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
571 ChessSquare XiangqiArray[2][BOARD_FILES] = {
572 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
573 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
574 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
575 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
578 ChessSquare CapablancaArray[2][BOARD_FILES] = {
579 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
580 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
582 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
585 ChessSquare GreatArray[2][BOARD_FILES] = {
586 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
587 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
588 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
589 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
592 ChessSquare JanusArray[2][BOARD_FILES] = {
593 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
594 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
595 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
596 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
599 ChessSquare GrandArray[2][BOARD_FILES] = {
600 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
601 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
602 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
603 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
607 ChessSquare GothicArray[2][BOARD_FILES] = {
608 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
609 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
610 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
611 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
614 #define GothicArray CapablancaArray
618 ChessSquare FalconArray[2][BOARD_FILES] = {
619 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
620 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
621 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
622 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
625 #define FalconArray CapablancaArray
628 #else // !(BOARD_FILES>=10)
629 #define XiangqiPosition FIDEArray
630 #define CapablancaArray FIDEArray
631 #define GothicArray FIDEArray
632 #define GreatArray FIDEArray
633 #endif // !(BOARD_FILES>=10)
635 #if (BOARD_FILES>=12)
636 ChessSquare CourierArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
638 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
639 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
640 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
642 #else // !(BOARD_FILES>=12)
643 #define CourierArray CapablancaArray
644 #endif // !(BOARD_FILES>=12)
647 Board initialPosition;
650 /* Convert str to a rating. Checks for special cases of "----",
652 "++++", etc. Also strips ()'s */
654 string_to_rating(str)
657 while(*str && !isdigit(*str)) ++str;
659 return 0; /* One of the special "no rating" cases */
667 /* Init programStats */
668 programStats.movelist[0] = 0;
669 programStats.depth = 0;
670 programStats.nr_moves = 0;
671 programStats.moves_left = 0;
672 programStats.nodes = 0;
673 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
674 programStats.score = 0;
675 programStats.got_only_move = 0;
676 programStats.got_fail = 0;
677 programStats.line_is_book = 0;
682 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
683 if (appData.firstPlaysBlack) {
684 first.twoMachinesColor = "black\n";
685 second.twoMachinesColor = "white\n";
687 first.twoMachinesColor = "white\n";
688 second.twoMachinesColor = "black\n";
691 first.other = &second;
692 second.other = &first;
695 if(appData.timeOddsMode) {
696 norm = appData.timeOdds[0];
697 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
699 first.timeOdds = appData.timeOdds[0]/norm;
700 second.timeOdds = appData.timeOdds[1]/norm;
703 if(programVersion) free(programVersion);
704 if (appData.noChessProgram) {
705 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
706 sprintf(programVersion, "%s", PACKAGE_STRING);
708 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
709 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
710 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
715 UnloadEngine(ChessProgramState *cps)
717 /* Kill off first chess program */
718 if (cps->isr != NULL)
719 RemoveInputSource(cps->isr);
722 if (cps->pr != NoProc) {
724 DoSleep( appData.delayBeforeQuit );
725 SendToProgram("quit\n", cps);
726 DoSleep( appData.delayAfterQuit );
727 DestroyChildProcess(cps->pr, cps->useSigterm);
730 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
734 ClearOptions(ChessProgramState *cps)
737 cps->nrOptions = cps->comboCnt = 0;
738 for(i=0; i<MAX_OPTIONS; i++) {
739 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
740 cps->option[i].textValue = 0;
744 char *engineNames[] = {
750 InitEngine(ChessProgramState *cps, int n)
751 { // [HGM] all engine initialiation put in a function that does one engine
755 cps->which = engineNames[n];
756 cps->maybeThinking = FALSE;
760 cps->sendDrawOffers = 1;
762 cps->program = appData.chessProgram[n];
763 cps->host = appData.host[n];
764 cps->dir = appData.directory[n];
765 cps->initString = appData.engInitString[n];
766 cps->computerString = appData.computerString[n];
767 cps->useSigint = TRUE;
768 cps->useSigterm = TRUE;
769 cps->reuse = appData.reuse[n];
770 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
771 cps->useSetboard = FALSE;
773 cps->usePing = FALSE;
776 cps->usePlayother = FALSE;
777 cps->useColors = TRUE;
778 cps->useUsermove = FALSE;
779 cps->sendICS = FALSE;
780 cps->sendName = appData.icsActive;
781 cps->sdKludge = FALSE;
782 cps->stKludge = FALSE;
783 TidyProgramName(cps->program, cps->host, cps->tidy);
785 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
786 cps->analysisSupport = 2; /* detect */
787 cps->analyzing = FALSE;
788 cps->initDone = FALSE;
790 /* New features added by Tord: */
791 cps->useFEN960 = FALSE;
792 cps->useOOCastle = TRUE;
793 /* End of new features added by Tord. */
794 cps->fenOverride = appData.fenOverride[n];
796 /* [HGM] time odds: set factor for each machine */
797 cps->timeOdds = appData.timeOdds[n];
799 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
800 cps->accumulateTC = appData.accumulateTC[n];
801 cps->maxNrOfSessions = 1;
806 cps->supportsNPS = UNKNOWN;
807 cps->memSize = FALSE;
808 cps->maxCores = FALSE;
809 cps->egtFormats[0] = NULLCHAR;
812 cps->optionSettings = appData.engOptions[n];
814 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
815 cps->isUCI = appData.isUCI[n]; /* [AS] */
816 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
818 if (appData.protocolVersion[n] > PROTOVER
819 || appData.protocolVersion[n] < 1)
824 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
825 appData.protocolVersion[n]);
826 if( (len > MSG_SIZ) && appData.debugMode )
827 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
829 DisplayFatalError(buf, 0, 2);
833 cps->protocolVersion = appData.protocolVersion[n];
836 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
837 ParseFeatures(appData.featureDefaults, cps);
840 ChessProgramState *savCps;
846 if(WaitForEngine(savCps, LoadEngine)) return;
847 CommonEngineInit(); // recalculate time odds
848 if(gameInfo.variant != StringToVariant(appData.variant)) {
849 // we changed variant when loading the engine; this forces us to reset
850 Reset(TRUE, savCps != &first);
851 EditGameEvent(); // for consistency with other path, as Reset changes mode
853 InitChessProgram(savCps, FALSE);
854 SendToProgram("force\n", savCps);
855 DisplayMessage("", "");
856 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
857 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
863 ReplaceEngine(ChessProgramState *cps, int n)
867 appData.noChessProgram = FALSE;
868 appData.clockMode = TRUE;
871 if(n) return; // only startup first engine immediately; second can wait
872 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
876 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
877 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
879 static char resetOptions[] =
880 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
881 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
882 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
885 Load(ChessProgramState *cps, int i)
887 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
888 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
889 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
890 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
891 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
892 ParseArgsFromString(buf);
894 ReplaceEngine(cps, i);
898 while(q = strchr(p, SLASH)) p = q+1;
899 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
900 if(engineDir[0] != NULLCHAR)
901 appData.directory[i] = engineDir;
902 else if(p != engineName) { // derive directory from engine path, when not given
904 appData.directory[i] = strdup(engineName);
906 } else appData.directory[i] = ".";
908 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
909 snprintf(command, MSG_SIZ, "%s %s", p, params);
912 appData.chessProgram[i] = strdup(p);
913 appData.isUCI[i] = isUCI;
914 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
915 appData.hasOwnBookUCI[i] = hasBook;
916 if(!nickName[0]) useNick = FALSE;
917 if(useNick) ASSIGN(appData.pgnName[i], nickName);
921 q = firstChessProgramNames;
922 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
923 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
924 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
925 quote, p, quote, appData.directory[i],
926 useNick ? " -fn \"" : "",
927 useNick ? nickName : "",
929 v1 ? " -firstProtocolVersion 1" : "",
930 hasBook ? "" : " -fNoOwnBookUCI",
931 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
932 storeVariant ? " -variant " : "",
933 storeVariant ? VariantName(gameInfo.variant) : "");
934 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
935 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
938 ReplaceEngine(cps, i);
944 int matched, min, sec;
946 * Parse timeControl resource
948 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
949 appData.movesPerSession)) {
951 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
952 DisplayFatalError(buf, 0, 2);
956 * Parse searchTime resource
958 if (*appData.searchTime != NULLCHAR) {
959 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
961 searchTime = min * 60;
962 } else if (matched == 2) {
963 searchTime = min * 60 + sec;
966 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
967 DisplayFatalError(buf, 0, 2);
976 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
977 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
979 GetTimeMark(&programStartTime);
980 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
981 appData.seedBase = random() + (random()<<15);
982 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
985 programStats.ok_to_send = 1;
986 programStats.seen_stat = 0;
989 * Initialize game list
995 * Internet chess server status
997 if (appData.icsActive) {
998 appData.matchMode = FALSE;
999 appData.matchGames = 0;
1001 appData.noChessProgram = !appData.zippyPlay;
1003 appData.zippyPlay = FALSE;
1004 appData.zippyTalk = FALSE;
1005 appData.noChessProgram = TRUE;
1007 if (*appData.icsHelper != NULLCHAR) {
1008 appData.useTelnet = TRUE;
1009 appData.telnetProgram = appData.icsHelper;
1012 appData.zippyTalk = appData.zippyPlay = FALSE;
1015 /* [AS] Initialize pv info list [HGM] and game state */
1019 for( i=0; i<=framePtr; i++ ) {
1020 pvInfoList[i].depth = -1;
1021 boards[i][EP_STATUS] = EP_NONE;
1022 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1028 /* [AS] Adjudication threshold */
1029 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1031 InitEngine(&first, 0);
1032 InitEngine(&second, 1);
1035 pairing.which = "pairing"; // pairing engine
1036 pairing.pr = NoProc;
1038 pairing.program = appData.pairingEngine;
1039 pairing.host = "localhost";
1042 if (appData.icsActive) {
1043 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1044 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1045 appData.clockMode = FALSE;
1046 first.sendTime = second.sendTime = 0;
1050 /* Override some settings from environment variables, for backward
1051 compatibility. Unfortunately it's not feasible to have the env
1052 vars just set defaults, at least in xboard. Ugh.
1054 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1059 if (!appData.icsActive) {
1063 /* Check for variants that are supported only in ICS mode,
1064 or not at all. Some that are accepted here nevertheless
1065 have bugs; see comments below.
1067 VariantClass variant = StringToVariant(appData.variant);
1069 case VariantBughouse: /* need four players and two boards */
1070 case VariantKriegspiel: /* need to hide pieces and move details */
1071 /* case VariantFischeRandom: (Fabien: moved below) */
1072 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1073 if( (len > MSG_SIZ) && appData.debugMode )
1074 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1076 DisplayFatalError(buf, 0, 2);
1079 case VariantUnknown:
1080 case VariantLoadable:
1090 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1091 if( (len > MSG_SIZ) && appData.debugMode )
1092 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1094 DisplayFatalError(buf, 0, 2);
1097 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1098 case VariantFairy: /* [HGM] TestLegality definitely off! */
1099 case VariantGothic: /* [HGM] should work */
1100 case VariantCapablanca: /* [HGM] should work */
1101 case VariantCourier: /* [HGM] initial forced moves not implemented */
1102 case VariantShogi: /* [HGM] could still mate with pawn drop */
1103 case VariantKnightmate: /* [HGM] should work */
1104 case VariantCylinder: /* [HGM] untested */
1105 case VariantFalcon: /* [HGM] untested */
1106 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1107 offboard interposition not understood */
1108 case VariantNormal: /* definitely works! */
1109 case VariantWildCastle: /* pieces not automatically shuffled */
1110 case VariantNoCastle: /* pieces not automatically shuffled */
1111 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1112 case VariantLosers: /* should work except for win condition,
1113 and doesn't know captures are mandatory */
1114 case VariantSuicide: /* should work except for win condition,
1115 and doesn't know captures are mandatory */
1116 case VariantGiveaway: /* should work except for win condition,
1117 and doesn't know captures are mandatory */
1118 case VariantTwoKings: /* should work */
1119 case VariantAtomic: /* should work except for win condition */
1120 case Variant3Check: /* should work except for win condition */
1121 case VariantShatranj: /* should work except for all win conditions */
1122 case VariantMakruk: /* should work except for draw countdown */
1123 case VariantBerolina: /* might work if TestLegality is off */
1124 case VariantCapaRandom: /* should work */
1125 case VariantJanus: /* should work */
1126 case VariantSuper: /* experimental */
1127 case VariantGreat: /* experimental, requires legality testing to be off */
1128 case VariantSChess: /* S-Chess, should work */
1129 case VariantGrand: /* should work */
1130 case VariantSpartan: /* should work */
1137 int NextIntegerFromString( char ** str, long * value )
1142 while( *s == ' ' || *s == '\t' ) {
1148 if( *s >= '0' && *s <= '9' ) {
1149 while( *s >= '0' && *s <= '9' ) {
1150 *value = *value * 10 + (*s - '0');
1162 int NextTimeControlFromString( char ** str, long * value )
1165 int result = NextIntegerFromString( str, &temp );
1168 *value = temp * 60; /* Minutes */
1169 if( **str == ':' ) {
1171 result = NextIntegerFromString( str, &temp );
1172 *value += temp; /* Seconds */
1179 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1180 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1181 int result = -1, type = 0; long temp, temp2;
1183 if(**str != ':') return -1; // old params remain in force!
1185 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1186 if( NextIntegerFromString( str, &temp ) ) return -1;
1187 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1190 /* time only: incremental or sudden-death time control */
1191 if(**str == '+') { /* increment follows; read it */
1193 if(**str == '!') type = *(*str)++; // Bronstein TC
1194 if(result = NextIntegerFromString( str, &temp2)) return -1;
1195 *inc = temp2 * 1000;
1196 if(**str == '.') { // read fraction of increment
1197 char *start = ++(*str);
1198 if(result = NextIntegerFromString( str, &temp2)) return -1;
1200 while(start++ < *str) temp2 /= 10;
1204 *moves = 0; *tc = temp * 1000; *incType = type;
1208 (*str)++; /* classical time control */
1209 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1220 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1221 { /* [HGM] get time to add from the multi-session time-control string */
1222 int incType, moves=1; /* kludge to force reading of first session */
1223 long time, increment;
1226 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1227 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1229 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1230 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1231 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1232 if(movenr == -1) return time; /* last move before new session */
1233 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1234 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1235 if(!moves) return increment; /* current session is incremental */
1236 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1237 } while(movenr >= -1); /* try again for next session */
1239 return 0; // no new time quota on this move
1243 ParseTimeControl(tc, ti, mps)
1250 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1253 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1254 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1255 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1259 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1261 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1264 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1266 snprintf(buf, MSG_SIZ, ":%s", mytc);
1268 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1270 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1275 /* Parse second time control */
1278 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1286 timeControl_2 = tc2 * 1000;
1296 timeControl = tc1 * 1000;
1299 timeIncrement = ti * 1000; /* convert to ms */
1300 movesPerSession = 0;
1303 movesPerSession = mps;
1311 if (appData.debugMode) {
1312 fprintf(debugFP, "%s\n", programVersion);
1315 set_cont_sequence(appData.wrapContSeq);
1316 if (appData.matchGames > 0) {
1317 appData.matchMode = TRUE;
1318 } else if (appData.matchMode) {
1319 appData.matchGames = 1;
1321 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1322 appData.matchGames = appData.sameColorGames;
1323 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1324 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1325 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1328 if (appData.noChessProgram || first.protocolVersion == 1) {
1331 /* kludge: allow timeout for initial "feature" commands */
1333 DisplayMessage("", _("Starting chess program"));
1334 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1339 CalculateIndex(int index, int gameNr)
1340 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1342 if(index > 0) return index; // fixed nmber
1343 if(index == 0) return 1;
1344 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1345 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1350 LoadGameOrPosition(int gameNr)
1351 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1352 if (*appData.loadGameFile != NULLCHAR) {
1353 if (!LoadGameFromFile(appData.loadGameFile,
1354 CalculateIndex(appData.loadGameIndex, gameNr),
1355 appData.loadGameFile, FALSE)) {
1356 DisplayFatalError(_("Bad game file"), 0, 1);
1359 } else if (*appData.loadPositionFile != NULLCHAR) {
1360 if (!LoadPositionFromFile(appData.loadPositionFile,
1361 CalculateIndex(appData.loadPositionIndex, gameNr),
1362 appData.loadPositionFile)) {
1363 DisplayFatalError(_("Bad position file"), 0, 1);
1371 ReserveGame(int gameNr, char resChar)
1373 FILE *tf = fopen(appData.tourneyFile, "r+");
1374 char *p, *q, c, buf[MSG_SIZ];
1375 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1376 safeStrCpy(buf, lastMsg, MSG_SIZ);
1377 DisplayMessage(_("Pick new game"), "");
1378 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1379 ParseArgsFromFile(tf);
1380 p = q = appData.results;
1381 if(appData.debugMode) {
1382 char *r = appData.participants;
1383 fprintf(debugFP, "results = '%s'\n", p);
1384 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1385 fprintf(debugFP, "\n");
1387 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1389 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1390 safeStrCpy(q, p, strlen(p) + 2);
1391 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1392 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1393 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1394 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1397 fseek(tf, -(strlen(p)+4), SEEK_END);
1399 if(c != '"') // depending on DOS or Unix line endings we can be one off
1400 fseek(tf, -(strlen(p)+2), SEEK_END);
1401 else fseek(tf, -(strlen(p)+3), SEEK_END);
1402 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1403 DisplayMessage(buf, "");
1404 free(p); appData.results = q;
1405 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1406 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1407 UnloadEngine(&first); // next game belongs to other pairing;
1408 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1413 MatchEvent(int mode)
1414 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1416 if(matchMode) { // already in match mode: switch it off
1418 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1421 // if(gameMode != BeginningOfGame) {
1422 // DisplayError(_("You can only start a match from the initial position."), 0);
1426 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1427 /* Set up machine vs. machine match */
1429 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1430 if(appData.tourneyFile[0]) {
1432 if(nextGame > appData.matchGames) {
1434 if(strchr(appData.results, '*') == NULL) {
1436 appData.tourneyCycles++;
1437 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1439 NextTourneyGame(-1, &dummy);
1441 if(nextGame <= appData.matchGames) {
1442 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1444 ScheduleDelayedEvent(NextMatchGame, 10000);
1449 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1450 DisplayError(buf, 0);
1451 appData.tourneyFile[0] = 0;
1455 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1456 DisplayFatalError(_("Can't have a match with no chess programs"),
1461 matchGame = roundNr = 1;
1462 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1467 InitBackEnd3 P((void))
1469 GameMode initialMode;
1473 InitChessProgram(&first, startedFromSetupPosition);
1475 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1476 free(programVersion);
1477 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1478 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1481 if (appData.icsActive) {
1483 /* [DM] Make a console window if needed [HGM] merged ifs */
1489 if (*appData.icsCommPort != NULLCHAR)
1490 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1491 appData.icsCommPort);
1493 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1494 appData.icsHost, appData.icsPort);
1496 if( (len > MSG_SIZ) && appData.debugMode )
1497 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1499 DisplayFatalError(buf, err, 1);
1504 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1506 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1507 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1508 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1509 } else if (appData.noChessProgram) {
1515 if (*appData.cmailGameName != NULLCHAR) {
1517 OpenLoopback(&cmailPR);
1519 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1523 DisplayMessage("", "");
1524 if (StrCaseCmp(appData.initialMode, "") == 0) {
1525 initialMode = BeginningOfGame;
1526 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1527 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1528 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1529 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1532 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1533 initialMode = TwoMachinesPlay;
1534 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1535 initialMode = AnalyzeFile;
1536 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1537 initialMode = AnalyzeMode;
1538 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1539 initialMode = MachinePlaysWhite;
1540 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1541 initialMode = MachinePlaysBlack;
1542 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1543 initialMode = EditGame;
1544 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1545 initialMode = EditPosition;
1546 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1547 initialMode = Training;
1549 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1550 if( (len > MSG_SIZ) && appData.debugMode )
1551 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1553 DisplayFatalError(buf, 0, 2);
1557 if (appData.matchMode) {
1558 if(appData.tourneyFile[0]) { // start tourney from command line
1560 if(f = fopen(appData.tourneyFile, "r")) {
1561 ParseArgsFromFile(f); // make sure tourney parmeters re known
1563 appData.clockMode = TRUE;
1565 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1568 } else if (*appData.cmailGameName != NULLCHAR) {
1569 /* Set up cmail mode */
1570 ReloadCmailMsgEvent(TRUE);
1572 /* Set up other modes */
1573 if (initialMode == AnalyzeFile) {
1574 if (*appData.loadGameFile == NULLCHAR) {
1575 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1579 if (*appData.loadGameFile != NULLCHAR) {
1580 (void) LoadGameFromFile(appData.loadGameFile,
1581 appData.loadGameIndex,
1582 appData.loadGameFile, TRUE);
1583 } else if (*appData.loadPositionFile != NULLCHAR) {
1584 (void) LoadPositionFromFile(appData.loadPositionFile,
1585 appData.loadPositionIndex,
1586 appData.loadPositionFile);
1587 /* [HGM] try to make self-starting even after FEN load */
1588 /* to allow automatic setup of fairy variants with wtm */
1589 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1590 gameMode = BeginningOfGame;
1591 setboardSpoiledMachineBlack = 1;
1593 /* [HGM] loadPos: make that every new game uses the setup */
1594 /* from file as long as we do not switch variant */
1595 if(!blackPlaysFirst) {
1596 startedFromPositionFile = TRUE;
1597 CopyBoard(filePosition, boards[0]);
1600 if (initialMode == AnalyzeMode) {
1601 if (appData.noChessProgram) {
1602 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1605 if (appData.icsActive) {
1606 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1610 } else if (initialMode == AnalyzeFile) {
1611 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1612 ShowThinkingEvent();
1614 AnalysisPeriodicEvent(1);
1615 } else if (initialMode == MachinePlaysWhite) {
1616 if (appData.noChessProgram) {
1617 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1621 if (appData.icsActive) {
1622 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1626 MachineWhiteEvent();
1627 } else if (initialMode == MachinePlaysBlack) {
1628 if (appData.noChessProgram) {
1629 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1633 if (appData.icsActive) {
1634 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1638 MachineBlackEvent();
1639 } else if (initialMode == TwoMachinesPlay) {
1640 if (appData.noChessProgram) {
1641 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1645 if (appData.icsActive) {
1646 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1651 } else if (initialMode == EditGame) {
1653 } else if (initialMode == EditPosition) {
1654 EditPositionEvent();
1655 } else if (initialMode == Training) {
1656 if (*appData.loadGameFile == NULLCHAR) {
1657 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1666 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
1668 DisplayBook(current+1);
1670 MoveHistorySet( movelist, first, last, current, pvInfoList );
1672 EvalGraphSet( first, last, current, pvInfoList );
1674 MakeEngineOutputTitle();
1678 * Establish will establish a contact to a remote host.port.
1679 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1680 * used to talk to the host.
1681 * Returns 0 if okay, error code if not.
1688 if (*appData.icsCommPort != NULLCHAR) {
1689 /* Talk to the host through a serial comm port */
1690 return OpenCommPort(appData.icsCommPort, &icsPR);
1692 } else if (*appData.gateway != NULLCHAR) {
1693 if (*appData.remoteShell == NULLCHAR) {
1694 /* Use the rcmd protocol to run telnet program on a gateway host */
1695 snprintf(buf, sizeof(buf), "%s %s %s",
1696 appData.telnetProgram, appData.icsHost, appData.icsPort);
1697 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1700 /* Use the rsh program to run telnet program on a gateway host */
1701 if (*appData.remoteUser == NULLCHAR) {
1702 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1703 appData.gateway, appData.telnetProgram,
1704 appData.icsHost, appData.icsPort);
1706 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1707 appData.remoteShell, appData.gateway,
1708 appData.remoteUser, appData.telnetProgram,
1709 appData.icsHost, appData.icsPort);
1711 return StartChildProcess(buf, "", &icsPR);
1714 } else if (appData.useTelnet) {
1715 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1718 /* TCP socket interface differs somewhat between
1719 Unix and NT; handle details in the front end.
1721 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1725 void EscapeExpand(char *p, char *q)
1726 { // [HGM] initstring: routine to shape up string arguments
1727 while(*p++ = *q++) if(p[-1] == '\\')
1729 case 'n': p[-1] = '\n'; break;
1730 case 'r': p[-1] = '\r'; break;
1731 case 't': p[-1] = '\t'; break;
1732 case '\\': p[-1] = '\\'; break;
1733 case 0: *p = 0; return;
1734 default: p[-1] = q[-1]; break;
1739 show_bytes(fp, buf, count)
1745 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1746 fprintf(fp, "\\%03o", *buf & 0xff);
1755 /* Returns an errno value */
1757 OutputMaybeTelnet(pr, message, count, outError)
1763 char buf[8192], *p, *q, *buflim;
1764 int left, newcount, outcount;
1766 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1767 *appData.gateway != NULLCHAR) {
1768 if (appData.debugMode) {
1769 fprintf(debugFP, ">ICS: ");
1770 show_bytes(debugFP, message, count);
1771 fprintf(debugFP, "\n");
1773 return OutputToProcess(pr, message, count, outError);
1776 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1783 if (appData.debugMode) {
1784 fprintf(debugFP, ">ICS: ");
1785 show_bytes(debugFP, buf, newcount);
1786 fprintf(debugFP, "\n");
1788 outcount = OutputToProcess(pr, buf, newcount, outError);
1789 if (outcount < newcount) return -1; /* to be sure */
1796 } else if (((unsigned char) *p) == TN_IAC) {
1797 *q++ = (char) TN_IAC;
1804 if (appData.debugMode) {
1805 fprintf(debugFP, ">ICS: ");
1806 show_bytes(debugFP, buf, newcount);
1807 fprintf(debugFP, "\n");
1809 outcount = OutputToProcess(pr, buf, newcount, outError);
1810 if (outcount < newcount) return -1; /* to be sure */
1815 read_from_player(isr, closure, message, count, error)
1822 int outError, outCount;
1823 static int gotEof = 0;
1825 /* Pass data read from player on to ICS */
1828 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1829 if (outCount < count) {
1830 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1832 } else if (count < 0) {
1833 RemoveInputSource(isr);
1834 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1835 } else if (gotEof++ > 0) {
1836 RemoveInputSource(isr);
1837 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1843 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1844 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1845 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1846 SendToICS("date\n");
1847 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1850 /* added routine for printf style output to ics */
1851 void ics_printf(char *format, ...)
1853 char buffer[MSG_SIZ];
1856 va_start(args, format);
1857 vsnprintf(buffer, sizeof(buffer), format, args);
1858 buffer[sizeof(buffer)-1] = '\0';
1867 int count, outCount, outError;
1869 if (icsPR == NoProc) return;
1872 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1873 if (outCount < count) {
1874 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1878 /* This is used for sending logon scripts to the ICS. Sending
1879 without a delay causes problems when using timestamp on ICC
1880 (at least on my machine). */
1882 SendToICSDelayed(s,msdelay)
1886 int count, outCount, outError;
1888 if (icsPR == NoProc) return;
1891 if (appData.debugMode) {
1892 fprintf(debugFP, ">ICS: ");
1893 show_bytes(debugFP, s, count);
1894 fprintf(debugFP, "\n");
1896 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1898 if (outCount < count) {
1899 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1904 /* Remove all highlighting escape sequences in s
1905 Also deletes any suffix starting with '('
1908 StripHighlightAndTitle(s)
1911 static char retbuf[MSG_SIZ];
1914 while (*s != NULLCHAR) {
1915 while (*s == '\033') {
1916 while (*s != NULLCHAR && !isalpha(*s)) s++;
1917 if (*s != NULLCHAR) s++;
1919 while (*s != NULLCHAR && *s != '\033') {
1920 if (*s == '(' || *s == '[') {
1931 /* Remove all highlighting escape sequences in s */
1936 static char retbuf[MSG_SIZ];
1939 while (*s != NULLCHAR) {
1940 while (*s == '\033') {
1941 while (*s != NULLCHAR && !isalpha(*s)) s++;
1942 if (*s != NULLCHAR) s++;
1944 while (*s != NULLCHAR && *s != '\033') {
1952 char *variantNames[] = VARIANT_NAMES;
1957 return variantNames[v];
1961 /* Identify a variant from the strings the chess servers use or the
1962 PGN Variant tag names we use. */
1969 VariantClass v = VariantNormal;
1970 int i, found = FALSE;
1976 /* [HGM] skip over optional board-size prefixes */
1977 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1978 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1979 while( *e++ != '_');
1982 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1986 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1987 if (StrCaseStr(e, variantNames[i])) {
1988 v = (VariantClass) i;
1995 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1996 || StrCaseStr(e, "wild/fr")
1997 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1998 v = VariantFischeRandom;
1999 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2000 (i = 1, p = StrCaseStr(e, "w"))) {
2002 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2009 case 0: /* FICS only, actually */
2011 /* Castling legal even if K starts on d-file */
2012 v = VariantWildCastle;
2017 /* Castling illegal even if K & R happen to start in
2018 normal positions. */
2019 v = VariantNoCastle;
2032 /* Castling legal iff K & R start in normal positions */
2038 /* Special wilds for position setup; unclear what to do here */
2039 v = VariantLoadable;
2042 /* Bizarre ICC game */
2043 v = VariantTwoKings;
2046 v = VariantKriegspiel;
2052 v = VariantFischeRandom;
2055 v = VariantCrazyhouse;
2058 v = VariantBughouse;
2064 /* Not quite the same as FICS suicide! */
2065 v = VariantGiveaway;
2071 v = VariantShatranj;
2074 /* Temporary names for future ICC types. The name *will* change in
2075 the next xboard/WinBoard release after ICC defines it. */
2113 v = VariantCapablanca;
2116 v = VariantKnightmate;
2122 v = VariantCylinder;
2128 v = VariantCapaRandom;
2131 v = VariantBerolina;
2143 /* Found "wild" or "w" in the string but no number;
2144 must assume it's normal chess. */
2148 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2149 if( (len > MSG_SIZ) && appData.debugMode )
2150 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2152 DisplayError(buf, 0);
2158 if (appData.debugMode) {
2159 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2160 e, wnum, VariantName(v));
2165 static int leftover_start = 0, leftover_len = 0;
2166 char star_match[STAR_MATCH_N][MSG_SIZ];
2168 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2169 advance *index beyond it, and set leftover_start to the new value of
2170 *index; else return FALSE. If pattern contains the character '*', it
2171 matches any sequence of characters not containing '\r', '\n', or the
2172 character following the '*' (if any), and the matched sequence(s) are
2173 copied into star_match.
2176 looking_at(buf, index, pattern)
2181 char *bufp = &buf[*index], *patternp = pattern;
2183 char *matchp = star_match[0];
2186 if (*patternp == NULLCHAR) {
2187 *index = leftover_start = bufp - buf;
2191 if (*bufp == NULLCHAR) return FALSE;
2192 if (*patternp == '*') {
2193 if (*bufp == *(patternp + 1)) {
2195 matchp = star_match[++star_count];
2199 } else if (*bufp == '\n' || *bufp == '\r') {
2201 if (*patternp == NULLCHAR)
2206 *matchp++ = *bufp++;
2210 if (*patternp != *bufp) return FALSE;
2217 SendToPlayer(data, length)
2221 int error, outCount;
2222 outCount = OutputToProcess(NoProc, data, length, &error);
2223 if (outCount < length) {
2224 DisplayFatalError(_("Error writing to display"), error, 1);
2229 PackHolding(packed, holding)
2241 switch (runlength) {
2252 sprintf(q, "%d", runlength);
2264 /* Telnet protocol requests from the front end */
2266 TelnetRequest(ddww, option)
2267 unsigned char ddww, option;
2269 unsigned char msg[3];
2270 int outCount, outError;
2272 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2274 if (appData.debugMode) {
2275 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2291 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2300 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2303 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2308 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2310 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2317 if (!appData.icsActive) return;
2318 TelnetRequest(TN_DO, TN_ECHO);
2324 if (!appData.icsActive) return;
2325 TelnetRequest(TN_DONT, TN_ECHO);
2329 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2331 /* put the holdings sent to us by the server on the board holdings area */
2332 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2336 if(gameInfo.holdingsWidth < 2) return;
2337 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2338 return; // prevent overwriting by pre-board holdings
2340 if( (int)lowestPiece >= BlackPawn ) {
2343 holdingsStartRow = BOARD_HEIGHT-1;
2346 holdingsColumn = BOARD_WIDTH-1;
2347 countsColumn = BOARD_WIDTH-2;
2348 holdingsStartRow = 0;
2352 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2353 board[i][holdingsColumn] = EmptySquare;
2354 board[i][countsColumn] = (ChessSquare) 0;
2356 while( (p=*holdings++) != NULLCHAR ) {
2357 piece = CharToPiece( ToUpper(p) );
2358 if(piece == EmptySquare) continue;
2359 /*j = (int) piece - (int) WhitePawn;*/
2360 j = PieceToNumber(piece);
2361 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2362 if(j < 0) continue; /* should not happen */
2363 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2364 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2365 board[holdingsStartRow+j*direction][countsColumn]++;
2371 VariantSwitch(Board board, VariantClass newVariant)
2373 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2374 static Board oldBoard;
2376 startedFromPositionFile = FALSE;
2377 if(gameInfo.variant == newVariant) return;
2379 /* [HGM] This routine is called each time an assignment is made to
2380 * gameInfo.variant during a game, to make sure the board sizes
2381 * are set to match the new variant. If that means adding or deleting
2382 * holdings, we shift the playing board accordingly
2383 * This kludge is needed because in ICS observe mode, we get boards
2384 * of an ongoing game without knowing the variant, and learn about the
2385 * latter only later. This can be because of the move list we requested,
2386 * in which case the game history is refilled from the beginning anyway,
2387 * but also when receiving holdings of a crazyhouse game. In the latter
2388 * case we want to add those holdings to the already received position.
2392 if (appData.debugMode) {
2393 fprintf(debugFP, "Switch board from %s to %s\n",
2394 VariantName(gameInfo.variant), VariantName(newVariant));
2395 setbuf(debugFP, NULL);
2397 shuffleOpenings = 0; /* [HGM] shuffle */
2398 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2402 newWidth = 9; newHeight = 9;
2403 gameInfo.holdingsSize = 7;
2404 case VariantBughouse:
2405 case VariantCrazyhouse:
2406 newHoldingsWidth = 2; break;
2410 newHoldingsWidth = 2;
2411 gameInfo.holdingsSize = 8;
2414 case VariantCapablanca:
2415 case VariantCapaRandom:
2418 newHoldingsWidth = gameInfo.holdingsSize = 0;
2421 if(newWidth != gameInfo.boardWidth ||
2422 newHeight != gameInfo.boardHeight ||
2423 newHoldingsWidth != gameInfo.holdingsWidth ) {
2425 /* shift position to new playing area, if needed */
2426 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2427 for(i=0; i<BOARD_HEIGHT; i++)
2428 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2429 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2431 for(i=0; i<newHeight; i++) {
2432 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2433 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2435 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2436 for(i=0; i<BOARD_HEIGHT; i++)
2437 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2438 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2441 gameInfo.boardWidth = newWidth;
2442 gameInfo.boardHeight = newHeight;
2443 gameInfo.holdingsWidth = newHoldingsWidth;
2444 gameInfo.variant = newVariant;
2445 InitDrawingSizes(-2, 0);
2446 } else gameInfo.variant = newVariant;
2447 CopyBoard(oldBoard, board); // remember correctly formatted board
2448 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2449 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2452 static int loggedOn = FALSE;
2454 /*-- Game start info cache: --*/
2456 char gs_kind[MSG_SIZ];
2457 static char player1Name[128] = "";
2458 static char player2Name[128] = "";
2459 static char cont_seq[] = "\n\\ ";
2460 static int player1Rating = -1;
2461 static int player2Rating = -1;
2462 /*----------------------------*/
2464 ColorClass curColor = ColorNormal;
2465 int suppressKibitz = 0;
2468 Boolean soughtPending = FALSE;
2469 Boolean seekGraphUp;
2470 #define MAX_SEEK_ADS 200
2472 char *seekAdList[MAX_SEEK_ADS];
2473 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2474 float tcList[MAX_SEEK_ADS];
2475 char colorList[MAX_SEEK_ADS];
2476 int nrOfSeekAds = 0;
2477 int minRating = 1010, maxRating = 2800;
2478 int hMargin = 10, vMargin = 20, h, w;
2479 extern int squareSize, lineGap;
2484 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2485 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2486 if(r < minRating+100 && r >=0 ) r = minRating+100;
2487 if(r > maxRating) r = maxRating;
2488 if(tc < 1.) tc = 1.;
2489 if(tc > 95.) tc = 95.;
2490 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2491 y = ((double)r - minRating)/(maxRating - minRating)
2492 * (h-vMargin-squareSize/8-1) + vMargin;
2493 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2494 if(strstr(seekAdList[i], " u ")) color = 1;
2495 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2496 !strstr(seekAdList[i], "bullet") &&
2497 !strstr(seekAdList[i], "blitz") &&
2498 !strstr(seekAdList[i], "standard") ) color = 2;
2499 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2500 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2504 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2506 char buf[MSG_SIZ], *ext = "";
2507 VariantClass v = StringToVariant(type);
2508 if(strstr(type, "wild")) {
2509 ext = type + 4; // append wild number
2510 if(v == VariantFischeRandom) type = "chess960"; else
2511 if(v == VariantLoadable) type = "setup"; else
2512 type = VariantName(v);
2514 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2515 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2516 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2517 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2518 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2519 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2520 seekNrList[nrOfSeekAds] = nr;
2521 zList[nrOfSeekAds] = 0;
2522 seekAdList[nrOfSeekAds++] = StrSave(buf);
2523 if(plot) PlotSeekAd(nrOfSeekAds-1);
2530 int x = xList[i], y = yList[i], d=squareSize/4, k;
2531 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2532 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2533 // now replot every dot that overlapped
2534 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2535 int xx = xList[k], yy = yList[k];
2536 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2537 DrawSeekDot(xx, yy, colorList[k]);
2542 RemoveSeekAd(int nr)
2545 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2547 if(seekAdList[i]) free(seekAdList[i]);
2548 seekAdList[i] = seekAdList[--nrOfSeekAds];
2549 seekNrList[i] = seekNrList[nrOfSeekAds];
2550 ratingList[i] = ratingList[nrOfSeekAds];
2551 colorList[i] = colorList[nrOfSeekAds];
2552 tcList[i] = tcList[nrOfSeekAds];
2553 xList[i] = xList[nrOfSeekAds];
2554 yList[i] = yList[nrOfSeekAds];
2555 zList[i] = zList[nrOfSeekAds];
2556 seekAdList[nrOfSeekAds] = NULL;
2562 MatchSoughtLine(char *line)
2564 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2565 int nr, base, inc, u=0; char dummy;
2567 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2568 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2570 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2571 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2572 // match: compact and save the line
2573 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2583 if(!seekGraphUp) return FALSE;
2584 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2585 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2587 DrawSeekBackground(0, 0, w, h);
2588 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2589 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2590 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2591 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2593 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2596 snprintf(buf, MSG_SIZ, "%d", i);
2597 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2600 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2601 for(i=1; i<100; i+=(i<10?1:5)) {
2602 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2603 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2604 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2606 snprintf(buf, MSG_SIZ, "%d", i);
2607 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2610 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2614 int SeekGraphClick(ClickType click, int x, int y, int moving)
2616 static int lastDown = 0, displayed = 0, lastSecond;
2617 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2618 if(click == Release || moving) return FALSE;
2620 soughtPending = TRUE;
2621 SendToICS(ics_prefix);
2622 SendToICS("sought\n"); // should this be "sought all"?
2623 } else { // issue challenge based on clicked ad
2624 int dist = 10000; int i, closest = 0, second = 0;
2625 for(i=0; i<nrOfSeekAds; i++) {
2626 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2627 if(d < dist) { dist = d; closest = i; }
2628 second += (d - zList[i] < 120); // count in-range ads
2629 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2633 second = (second > 1);
2634 if(displayed != closest || second != lastSecond) {
2635 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2636 lastSecond = second; displayed = closest;
2638 if(click == Press) {
2639 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2642 } // on press 'hit', only show info
2643 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2644 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2645 SendToICS(ics_prefix);
2647 return TRUE; // let incoming board of started game pop down the graph
2648 } else if(click == Release) { // release 'miss' is ignored
2649 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2650 if(moving == 2) { // right up-click
2651 nrOfSeekAds = 0; // refresh graph
2652 soughtPending = TRUE;
2653 SendToICS(ics_prefix);
2654 SendToICS("sought\n"); // should this be "sought all"?
2657 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2658 // press miss or release hit 'pop down' seek graph
2659 seekGraphUp = FALSE;
2660 DrawPosition(TRUE, NULL);
2666 read_from_ics(isr, closure, data, count, error)
2673 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2674 #define STARTED_NONE 0
2675 #define STARTED_MOVES 1
2676 #define STARTED_BOARD 2
2677 #define STARTED_OBSERVE 3
2678 #define STARTED_HOLDINGS 4
2679 #define STARTED_CHATTER 5
2680 #define STARTED_COMMENT 6
2681 #define STARTED_MOVES_NOHIDE 7
2683 static int started = STARTED_NONE;
2684 static char parse[20000];
2685 static int parse_pos = 0;
2686 static char buf[BUF_SIZE + 1];
2687 static int firstTime = TRUE, intfSet = FALSE;
2688 static ColorClass prevColor = ColorNormal;
2689 static int savingComment = FALSE;
2690 static int cmatch = 0; // continuation sequence match
2697 int backup; /* [DM] For zippy color lines */
2699 char talker[MSG_SIZ]; // [HGM] chat
2702 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2704 if (appData.debugMode) {
2706 fprintf(debugFP, "<ICS: ");
2707 show_bytes(debugFP, data, count);
2708 fprintf(debugFP, "\n");
2712 if (appData.debugMode) { int f = forwardMostMove;
2713 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2714 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2715 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2718 /* If last read ended with a partial line that we couldn't parse,
2719 prepend it to the new read and try again. */
2720 if (leftover_len > 0) {
2721 for (i=0; i<leftover_len; i++)
2722 buf[i] = buf[leftover_start + i];
2725 /* copy new characters into the buffer */
2726 bp = buf + leftover_len;
2727 buf_len=leftover_len;
2728 for (i=0; i<count; i++)
2731 if (data[i] == '\r')
2734 // join lines split by ICS?
2735 if (!appData.noJoin)
2738 Joining just consists of finding matches against the
2739 continuation sequence, and discarding that sequence
2740 if found instead of copying it. So, until a match
2741 fails, there's nothing to do since it might be the
2742 complete sequence, and thus, something we don't want
2745 if (data[i] == cont_seq[cmatch])
2748 if (cmatch == strlen(cont_seq))
2750 cmatch = 0; // complete match. just reset the counter
2753 it's possible for the ICS to not include the space
2754 at the end of the last word, making our [correct]
2755 join operation fuse two separate words. the server
2756 does this when the space occurs at the width setting.
2758 if (!buf_len || buf[buf_len-1] != ' ')
2769 match failed, so we have to copy what matched before
2770 falling through and copying this character. In reality,
2771 this will only ever be just the newline character, but
2772 it doesn't hurt to be precise.
2774 strncpy(bp, cont_seq, cmatch);
2786 buf[buf_len] = NULLCHAR;
2787 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2792 while (i < buf_len) {
2793 /* Deal with part of the TELNET option negotiation
2794 protocol. We refuse to do anything beyond the
2795 defaults, except that we allow the WILL ECHO option,
2796 which ICS uses to turn off password echoing when we are
2797 directly connected to it. We reject this option
2798 if localLineEditing mode is on (always on in xboard)
2799 and we are talking to port 23, which might be a real
2800 telnet server that will try to keep WILL ECHO on permanently.
2802 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2803 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2804 unsigned char option;
2806 switch ((unsigned char) buf[++i]) {
2808 if (appData.debugMode)
2809 fprintf(debugFP, "\n<WILL ");
2810 switch (option = (unsigned char) buf[++i]) {
2812 if (appData.debugMode)
2813 fprintf(debugFP, "ECHO ");
2814 /* Reply only if this is a change, according
2815 to the protocol rules. */
2816 if (remoteEchoOption) break;
2817 if (appData.localLineEditing &&
2818 atoi(appData.icsPort) == TN_PORT) {
2819 TelnetRequest(TN_DONT, TN_ECHO);
2822 TelnetRequest(TN_DO, TN_ECHO);
2823 remoteEchoOption = TRUE;
2827 if (appData.debugMode)
2828 fprintf(debugFP, "%d ", option);
2829 /* Whatever this is, we don't want it. */
2830 TelnetRequest(TN_DONT, option);
2835 if (appData.debugMode)
2836 fprintf(debugFP, "\n<WONT ");
2837 switch (option = (unsigned char) buf[++i]) {
2839 if (appData.debugMode)
2840 fprintf(debugFP, "ECHO ");
2841 /* Reply only if this is a change, according
2842 to the protocol rules. */
2843 if (!remoteEchoOption) break;
2845 TelnetRequest(TN_DONT, TN_ECHO);
2846 remoteEchoOption = FALSE;
2849 if (appData.debugMode)
2850 fprintf(debugFP, "%d ", (unsigned char) option);
2851 /* Whatever this is, it must already be turned
2852 off, because we never agree to turn on
2853 anything non-default, so according to the
2854 protocol rules, we don't reply. */
2859 if (appData.debugMode)
2860 fprintf(debugFP, "\n<DO ");
2861 switch (option = (unsigned char) buf[++i]) {
2863 /* Whatever this is, we refuse to do it. */
2864 if (appData.debugMode)
2865 fprintf(debugFP, "%d ", option);
2866 TelnetRequest(TN_WONT, option);
2871 if (appData.debugMode)
2872 fprintf(debugFP, "\n<DONT ");
2873 switch (option = (unsigned char) buf[++i]) {
2875 if (appData.debugMode)
2876 fprintf(debugFP, "%d ", option);
2877 /* Whatever this is, we are already not doing
2878 it, because we never agree to do anything
2879 non-default, so according to the protocol
2880 rules, we don't reply. */
2885 if (appData.debugMode)
2886 fprintf(debugFP, "\n<IAC ");
2887 /* Doubled IAC; pass it through */
2891 if (appData.debugMode)
2892 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2893 /* Drop all other telnet commands on the floor */
2896 if (oldi > next_out)
2897 SendToPlayer(&buf[next_out], oldi - next_out);
2903 /* OK, this at least will *usually* work */
2904 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2908 if (loggedOn && !intfSet) {
2909 if (ics_type == ICS_ICC) {
2910 snprintf(str, MSG_SIZ,
2911 "/set-quietly interface %s\n/set-quietly style 12\n",
2913 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2914 strcat(str, "/set-2 51 1\n/set seek 1\n");
2915 } else if (ics_type == ICS_CHESSNET) {
2916 snprintf(str, MSG_SIZ, "/style 12\n");
2918 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2919 strcat(str, programVersion);
2920 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2921 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2922 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2924 strcat(str, "$iset nohighlight 1\n");
2926 strcat(str, "$iset lock 1\n$style 12\n");
2929 NotifyFrontendLogin();
2933 if (started == STARTED_COMMENT) {
2934 /* Accumulate characters in comment */
2935 parse[parse_pos++] = buf[i];
2936 if (buf[i] == '\n') {
2937 parse[parse_pos] = NULLCHAR;
2938 if(chattingPartner>=0) {
2940 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2941 OutputChatMessage(chattingPartner, mess);
2942 chattingPartner = -1;
2943 next_out = i+1; // [HGM] suppress printing in ICS window
2945 if(!suppressKibitz) // [HGM] kibitz
2946 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2947 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2948 int nrDigit = 0, nrAlph = 0, j;
2949 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2950 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2951 parse[parse_pos] = NULLCHAR;
2952 // try to be smart: if it does not look like search info, it should go to
2953 // ICS interaction window after all, not to engine-output window.
2954 for(j=0; j<parse_pos; j++) { // count letters and digits
2955 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2956 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2957 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2959 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2960 int depth=0; float score;
2961 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2962 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2963 pvInfoList[forwardMostMove-1].depth = depth;
2964 pvInfoList[forwardMostMove-1].score = 100*score;
2966 OutputKibitz(suppressKibitz, parse);
2969 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2970 SendToPlayer(tmp, strlen(tmp));
2972 next_out = i+1; // [HGM] suppress printing in ICS window
2974 started = STARTED_NONE;
2976 /* Don't match patterns against characters in comment */
2981 if (started == STARTED_CHATTER) {
2982 if (buf[i] != '\n') {
2983 /* Don't match patterns against characters in chatter */
2987 started = STARTED_NONE;
2988 if(suppressKibitz) next_out = i+1;
2991 /* Kludge to deal with rcmd protocol */
2992 if (firstTime && looking_at(buf, &i, "\001*")) {
2993 DisplayFatalError(&buf[1], 0, 1);
2999 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3002 if (appData.debugMode)
3003 fprintf(debugFP, "ics_type %d\n", ics_type);
3006 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3007 ics_type = ICS_FICS;
3009 if (appData.debugMode)
3010 fprintf(debugFP, "ics_type %d\n", ics_type);
3013 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3014 ics_type = ICS_CHESSNET;
3016 if (appData.debugMode)
3017 fprintf(debugFP, "ics_type %d\n", ics_type);
3022 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3023 looking_at(buf, &i, "Logging you in as \"*\"") ||
3024 looking_at(buf, &i, "will be \"*\""))) {
3025 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3029 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3031 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3032 DisplayIcsInteractionTitle(buf);
3033 have_set_title = TRUE;
3036 /* skip finger notes */
3037 if (started == STARTED_NONE &&
3038 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3039 (buf[i] == '1' && buf[i+1] == '0')) &&
3040 buf[i+2] == ':' && buf[i+3] == ' ') {
3041 started = STARTED_CHATTER;
3047 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3048 if(appData.seekGraph) {
3049 if(soughtPending && MatchSoughtLine(buf+i)) {
3050 i = strstr(buf+i, "rated") - buf;
3051 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3052 next_out = leftover_start = i;
3053 started = STARTED_CHATTER;
3054 suppressKibitz = TRUE;
3057 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3058 && looking_at(buf, &i, "* ads displayed")) {
3059 soughtPending = FALSE;
3064 if(appData.autoRefresh) {
3065 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3066 int s = (ics_type == ICS_ICC); // ICC format differs
3068 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3069 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3070 looking_at(buf, &i, "*% "); // eat prompt
3071 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3072 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3073 next_out = i; // suppress
3076 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3077 char *p = star_match[0];
3079 if(seekGraphUp) RemoveSeekAd(atoi(p));
3080 while(*p && *p++ != ' '); // next
3082 looking_at(buf, &i, "*% "); // eat prompt
3083 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3090 /* skip formula vars */
3091 if (started == STARTED_NONE &&
3092 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3093 started = STARTED_CHATTER;
3098 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3099 if (appData.autoKibitz && started == STARTED_NONE &&
3100 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3101 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3102 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3103 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3104 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3105 suppressKibitz = TRUE;
3106 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3108 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3109 && (gameMode == IcsPlayingWhite)) ||
3110 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3111 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3112 started = STARTED_CHATTER; // own kibitz we simply discard
3114 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3115 parse_pos = 0; parse[0] = NULLCHAR;
3116 savingComment = TRUE;
3117 suppressKibitz = gameMode != IcsObserving ? 2 :
3118 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3122 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3123 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3124 && atoi(star_match[0])) {
3125 // suppress the acknowledgements of our own autoKibitz
3127 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3128 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3129 SendToPlayer(star_match[0], strlen(star_match[0]));
3130 if(looking_at(buf, &i, "*% ")) // eat prompt
3131 suppressKibitz = FALSE;
3135 } // [HGM] kibitz: end of patch
3137 // [HGM] chat: intercept tells by users for which we have an open chat window
3139 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3140 looking_at(buf, &i, "* whispers:") ||
3141 looking_at(buf, &i, "* kibitzes:") ||
3142 looking_at(buf, &i, "* shouts:") ||
3143 looking_at(buf, &i, "* c-shouts:") ||
3144 looking_at(buf, &i, "--> * ") ||
3145 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3146 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3147 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3148 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3150 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3151 chattingPartner = -1;
3153 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3154 for(p=0; p<MAX_CHAT; p++) {
3155 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3156 talker[0] = '['; strcat(talker, "] ");
3157 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3158 chattingPartner = p; break;
3161 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3162 for(p=0; p<MAX_CHAT; p++) {
3163 if(!strcmp("kibitzes", chatPartner[p])) {
3164 talker[0] = '['; strcat(talker, "] ");
3165 chattingPartner = p; break;
3168 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3169 for(p=0; p<MAX_CHAT; p++) {
3170 if(!strcmp("whispers", chatPartner[p])) {
3171 talker[0] = '['; strcat(talker, "] ");
3172 chattingPartner = p; break;
3175 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3176 if(buf[i-8] == '-' && buf[i-3] == 't')
3177 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3178 if(!strcmp("c-shouts", chatPartner[p])) {
3179 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3180 chattingPartner = p; break;
3183 if(chattingPartner < 0)
3184 for(p=0; p<MAX_CHAT; p++) {
3185 if(!strcmp("shouts", chatPartner[p])) {
3186 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3187 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3188 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3189 chattingPartner = p; break;
3193 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3194 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3195 talker[0] = 0; Colorize(ColorTell, FALSE);
3196 chattingPartner = p; break;
3198 if(chattingPartner<0) i = oldi; else {
3199 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3200 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3201 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3202 started = STARTED_COMMENT;
3203 parse_pos = 0; parse[0] = NULLCHAR;
3204 savingComment = 3 + chattingPartner; // counts as TRUE
3205 suppressKibitz = TRUE;
3208 } // [HGM] chat: end of patch
3211 if (appData.zippyTalk || appData.zippyPlay) {
3212 /* [DM] Backup address for color zippy lines */
3214 if (loggedOn == TRUE)
3215 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3216 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3218 } // [DM] 'else { ' deleted
3220 /* Regular tells and says */
3221 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3222 looking_at(buf, &i, "* (your partner) tells you: ") ||
3223 looking_at(buf, &i, "* says: ") ||
3224 /* Don't color "message" or "messages" output */
3225 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3226 looking_at(buf, &i, "*. * at *:*: ") ||
3227 looking_at(buf, &i, "--* (*:*): ") ||
3228 /* Message notifications (same color as tells) */
3229 looking_at(buf, &i, "* has left a message ") ||
3230 looking_at(buf, &i, "* just sent you a message:\n") ||
3231 /* Whispers and kibitzes */
3232 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3233 looking_at(buf, &i, "* kibitzes: ") ||
3235 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3237 if (tkind == 1 && strchr(star_match[0], ':')) {
3238 /* Avoid "tells you:" spoofs in channels */
3241 if (star_match[0][0] == NULLCHAR ||
3242 strchr(star_match[0], ' ') ||
3243 (tkind == 3 && strchr(star_match[1], ' '))) {
3244 /* Reject bogus matches */
3247 if (appData.colorize) {
3248 if (oldi > next_out) {
3249 SendToPlayer(&buf[next_out], oldi - next_out);
3254 Colorize(ColorTell, FALSE);
3255 curColor = ColorTell;
3258 Colorize(ColorKibitz, FALSE);
3259 curColor = ColorKibitz;
3262 p = strrchr(star_match[1], '(');
3269 Colorize(ColorChannel1, FALSE);
3270 curColor = ColorChannel1;
3272 Colorize(ColorChannel, FALSE);
3273 curColor = ColorChannel;
3277 curColor = ColorNormal;
3281 if (started == STARTED_NONE && appData.autoComment &&
3282 (gameMode == IcsObserving ||
3283 gameMode == IcsPlayingWhite ||
3284 gameMode == IcsPlayingBlack)) {
3285 parse_pos = i - oldi;
3286 memcpy(parse, &buf[oldi], parse_pos);
3287 parse[parse_pos] = NULLCHAR;
3288 started = STARTED_COMMENT;
3289 savingComment = TRUE;
3291 started = STARTED_CHATTER;
3292 savingComment = FALSE;
3299 if (looking_at(buf, &i, "* s-shouts: ") ||
3300 looking_at(buf, &i, "* c-shouts: ")) {
3301 if (appData.colorize) {
3302 if (oldi > next_out) {
3303 SendToPlayer(&buf[next_out], oldi - next_out);
3306 Colorize(ColorSShout, FALSE);
3307 curColor = ColorSShout;
3310 started = STARTED_CHATTER;
3314 if (looking_at(buf, &i, "--->")) {
3319 if (looking_at(buf, &i, "* shouts: ") ||
3320 looking_at(buf, &i, "--> ")) {
3321 if (appData.colorize) {
3322 if (oldi > next_out) {
3323 SendToPlayer(&buf[next_out], oldi - next_out);
3326 Colorize(ColorShout, FALSE);
3327 curColor = ColorShout;
3330 started = STARTED_CHATTER;
3334 if (looking_at( buf, &i, "Challenge:")) {
3335 if (appData.colorize) {
3336 if (oldi > next_out) {
3337 SendToPlayer(&buf[next_out], oldi - next_out);
3340 Colorize(ColorChallenge, FALSE);
3341 curColor = ColorChallenge;
3347 if (looking_at(buf, &i, "* offers you") ||
3348 looking_at(buf, &i, "* offers to be") ||
3349 looking_at(buf, &i, "* would like to") ||
3350 looking_at(buf, &i, "* requests to") ||
3351 looking_at(buf, &i, "Your opponent offers") ||
3352 looking_at(buf, &i, "Your opponent requests")) {
3354 if (appData.colorize) {
3355 if (oldi > next_out) {
3356 SendToPlayer(&buf[next_out], oldi - next_out);
3359 Colorize(ColorRequest, FALSE);
3360 curColor = ColorRequest;
3365 if (looking_at(buf, &i, "* (*) seeking")) {
3366 if (appData.colorize) {
3367 if (oldi > next_out) {
3368 SendToPlayer(&buf[next_out], oldi - next_out);
3371 Colorize(ColorSeek, FALSE);
3372 curColor = ColorSeek;
3377 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3379 if (looking_at(buf, &i, "\\ ")) {
3380 if (prevColor != ColorNormal) {
3381 if (oldi > next_out) {
3382 SendToPlayer(&buf[next_out], oldi - next_out);
3385 Colorize(prevColor, TRUE);
3386 curColor = prevColor;
3388 if (savingComment) {
3389 parse_pos = i - oldi;
3390 memcpy(parse, &buf[oldi], parse_pos);
3391 parse[parse_pos] = NULLCHAR;
3392 started = STARTED_COMMENT;
3393 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3394 chattingPartner = savingComment - 3; // kludge to remember the box
3396 started = STARTED_CHATTER;
3401 if (looking_at(buf, &i, "Black Strength :") ||
3402 looking_at(buf, &i, "<<< style 10 board >>>") ||
3403 looking_at(buf, &i, "<10>") ||
3404 looking_at(buf, &i, "#@#")) {
3405 /* Wrong board style */
3407 SendToICS(ics_prefix);
3408 SendToICS("set style 12\n");
3409 SendToICS(ics_prefix);
3410 SendToICS("refresh\n");
3414 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3416 have_sent_ICS_logon = 1;
3420 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3421 (looking_at(buf, &i, "\n<12> ") ||
3422 looking_at(buf, &i, "<12> "))) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3428 started = STARTED_BOARD;
3433 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3434 looking_at(buf, &i, "<b1> ")) {
3435 if (oldi > next_out) {
3436 SendToPlayer(&buf[next_out], oldi - next_out);
3439 started = STARTED_HOLDINGS;
3444 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3446 /* Header for a move list -- first line */
3448 switch (ics_getting_history) {
3452 case BeginningOfGame:
3453 /* User typed "moves" or "oldmoves" while we
3454 were idle. Pretend we asked for these
3455 moves and soak them up so user can step
3456 through them and/or save them.
3459 gameMode = IcsObserving;
3462 ics_getting_history = H_GOT_UNREQ_HEADER;
3464 case EditGame: /*?*/
3465 case EditPosition: /*?*/
3466 /* Should above feature work in these modes too? */
3467 /* For now it doesn't */
3468 ics_getting_history = H_GOT_UNWANTED_HEADER;
3471 ics_getting_history = H_GOT_UNWANTED_HEADER;
3476 /* Is this the right one? */
3477 if (gameInfo.white && gameInfo.black &&
3478 strcmp(gameInfo.white, star_match[0]) == 0 &&
3479 strcmp(gameInfo.black, star_match[2]) == 0) {
3481 ics_getting_history = H_GOT_REQ_HEADER;
3484 case H_GOT_REQ_HEADER:
3485 case H_GOT_UNREQ_HEADER:
3486 case H_GOT_UNWANTED_HEADER:
3487 case H_GETTING_MOVES:
3488 /* Should not happen */
3489 DisplayError(_("Error gathering move list: two headers"), 0);
3490 ics_getting_history = H_FALSE;
3494 /* Save player ratings into gameInfo if needed */
3495 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3496 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3497 (gameInfo.whiteRating == -1 ||
3498 gameInfo.blackRating == -1)) {
3500 gameInfo.whiteRating = string_to_rating(star_match[1]);
3501 gameInfo.blackRating = string_to_rating(star_match[3]);
3502 if (appData.debugMode)
3503 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3504 gameInfo.whiteRating, gameInfo.blackRating);
3509 if (looking_at(buf, &i,
3510 "* * match, initial time: * minute*, increment: * second")) {
3511 /* Header for a move list -- second line */
3512 /* Initial board will follow if this is a wild game */
3513 if (gameInfo.event != NULL) free(gameInfo.event);
3514 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3515 gameInfo.event = StrSave(str);
3516 /* [HGM] we switched variant. Translate boards if needed. */
3517 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3521 if (looking_at(buf, &i, "Move ")) {
3522 /* Beginning of a move list */
3523 switch (ics_getting_history) {
3525 /* Normally should not happen */
3526 /* Maybe user hit reset while we were parsing */
3529 /* Happens if we are ignoring a move list that is not
3530 * the one we just requested. Common if the user
3531 * tries to observe two games without turning off
3534 case H_GETTING_MOVES:
3535 /* Should not happen */
3536 DisplayError(_("Error gathering move list: nested"), 0);
3537 ics_getting_history = H_FALSE;
3539 case H_GOT_REQ_HEADER:
3540 ics_getting_history = H_GETTING_MOVES;
3541 started = STARTED_MOVES;
3543 if (oldi > next_out) {
3544 SendToPlayer(&buf[next_out], oldi - next_out);
3547 case H_GOT_UNREQ_HEADER:
3548 ics_getting_history = H_GETTING_MOVES;
3549 started = STARTED_MOVES_NOHIDE;
3552 case H_GOT_UNWANTED_HEADER:
3553 ics_getting_history = H_FALSE;
3559 if (looking_at(buf, &i, "% ") ||
3560 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3561 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3562 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3563 soughtPending = FALSE;
3567 if(suppressKibitz) next_out = i;
3568 savingComment = FALSE;
3572 case STARTED_MOVES_NOHIDE:
3573 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3574 parse[parse_pos + i - oldi] = NULLCHAR;
3575 ParseGameHistory(parse);
3577 if (appData.zippyPlay && first.initDone) {
3578 FeedMovesToProgram(&first, forwardMostMove);
3579 if (gameMode == IcsPlayingWhite) {
3580 if (WhiteOnMove(forwardMostMove)) {
3581 if (first.sendTime) {
3582 if (first.useColors) {
3583 SendToProgram("black\n", &first);
3585 SendTimeRemaining(&first, TRUE);
3587 if (first.useColors) {
3588 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3590 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3591 first.maybeThinking = TRUE;
3593 if (first.usePlayother) {
3594 if (first.sendTime) {
3595 SendTimeRemaining(&first, TRUE);
3597 SendToProgram("playother\n", &first);
3603 } else if (gameMode == IcsPlayingBlack) {
3604 if (!WhiteOnMove(forwardMostMove)) {
3605 if (first.sendTime) {
3606 if (first.useColors) {
3607 SendToProgram("white\n", &first);
3609 SendTimeRemaining(&first, FALSE);
3611 if (first.useColors) {
3612 SendToProgram("black\n", &first);
3614 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3615 first.maybeThinking = TRUE;
3617 if (first.usePlayother) {
3618 if (first.sendTime) {
3619 SendTimeRemaining(&first, FALSE);
3621 SendToProgram("playother\n", &first);
3630 if (gameMode == IcsObserving && ics_gamenum == -1) {
3631 /* Moves came from oldmoves or moves command
3632 while we weren't doing anything else.
3634 currentMove = forwardMostMove;
3635 ClearHighlights();/*!!could figure this out*/
3636 flipView = appData.flipView;
3637 DrawPosition(TRUE, boards[currentMove]);
3638 DisplayBothClocks();
3639 snprintf(str, MSG_SIZ, _("%s vs. %s"),
3640 gameInfo.white, gameInfo.black);
3644 /* Moves were history of an active game */
3645 if (gameInfo.resultDetails != NULL) {
3646 free(gameInfo.resultDetails);
3647 gameInfo.resultDetails = NULL;
3650 HistorySet(parseList, backwardMostMove,
3651 forwardMostMove, currentMove-1);
3652 DisplayMove(currentMove - 1);
3653 if (started == STARTED_MOVES) next_out = i;
3654 started = STARTED_NONE;
3655 ics_getting_history = H_FALSE;
3658 case STARTED_OBSERVE:
3659 started = STARTED_NONE;
3660 SendToICS(ics_prefix);
3661 SendToICS("refresh\n");
3667 if(bookHit) { // [HGM] book: simulate book reply
3668 static char bookMove[MSG_SIZ]; // a bit generous?
3670 programStats.nodes = programStats.depth = programStats.time =
3671 programStats.score = programStats.got_only_move = 0;
3672 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3674 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3675 strcat(bookMove, bookHit);
3676 HandleMachineMove(bookMove, &first);
3681 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3682 started == STARTED_HOLDINGS ||
3683 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3684 /* Accumulate characters in move list or board */
3685 parse[parse_pos++] = buf[i];
3688 /* Start of game messages. Mostly we detect start of game
3689 when the first board image arrives. On some versions
3690 of the ICS, though, we need to do a "refresh" after starting
3691 to observe in order to get the current board right away. */
3692 if (looking_at(buf, &i, "Adding game * to observation list")) {
3693 started = STARTED_OBSERVE;
3697 /* Handle auto-observe */
3698 if (appData.autoObserve &&
3699 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3700 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3702 /* Choose the player that was highlighted, if any. */
3703 if (star_match[0][0] == '\033' ||
3704 star_match[1][0] != '\033') {
3705 player = star_match[0];
3707 player = star_match[2];
3709 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3710 ics_prefix, StripHighlightAndTitle(player));
3713 /* Save ratings from notify string */
3714 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3715 player1Rating = string_to_rating(star_match[1]);
3716 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3717 player2Rating = string_to_rating(star_match[3]);
3719 if (appData.debugMode)
3721 "Ratings from 'Game notification:' %s %d, %s %d\n",
3722 player1Name, player1Rating,
3723 player2Name, player2Rating);
3728 /* Deal with automatic examine mode after a game,
3729 and with IcsObserving -> IcsExamining transition */
3730 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3731 looking_at(buf, &i, "has made you an examiner of game *")) {
3733 int gamenum = atoi(star_match[0]);
3734 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3735 gamenum == ics_gamenum) {
3736 /* We were already playing or observing this game;
3737 no need to refetch history */
3738 gameMode = IcsExamining;
3740 pauseExamForwardMostMove = forwardMostMove;
3741 } else if (currentMove < forwardMostMove) {
3742 ForwardInner(forwardMostMove);
3745 /* I don't think this case really can happen */
3746 SendToICS(ics_prefix);
3747 SendToICS("refresh\n");
3752 /* Error messages */
3753 // if (ics_user_moved) {
3754 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3755 if (looking_at(buf, &i, "Illegal move") ||
3756 looking_at(buf, &i, "Not a legal move") ||
3757 looking_at(buf, &i, "Your king is in check") ||
3758 looking_at(buf, &i, "It isn't your turn") ||
3759 looking_at(buf, &i, "It is not your move")) {
3761 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3762 currentMove = forwardMostMove-1;
3763 DisplayMove(currentMove - 1); /* before DMError */
3764 DrawPosition(FALSE, boards[currentMove]);
3765 SwitchClocks(forwardMostMove-1); // [HGM] race
3766 DisplayBothClocks();
3768 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3774 if (looking_at(buf, &i, "still have time") ||
3775 looking_at(buf, &i, "not out of time") ||
3776 looking_at(buf, &i, "either player is out of time") ||
3777 looking_at(buf, &i, "has timeseal; checking")) {
3778 /* We must have called his flag a little too soon */
3779 whiteFlag = blackFlag = FALSE;
3783 if (looking_at(buf, &i, "added * seconds to") ||
3784 looking_at(buf, &i, "seconds were added to")) {
3785 /* Update the clocks */
3786 SendToICS(ics_prefix);
3787 SendToICS("refresh\n");
3791 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3792 ics_clock_paused = TRUE;
3797 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3798 ics_clock_paused = FALSE;
3803 /* Grab player ratings from the Creating: message.
3804 Note we have to check for the special case when
3805 the ICS inserts things like [white] or [black]. */
3806 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3807 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3809 0 player 1 name (not necessarily white)
3811 2 empty, white, or black (IGNORED)
3812 3 player 2 name (not necessarily black)
3815 The names/ratings are sorted out when the game
3816 actually starts (below).
3818 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3819 player1Rating = string_to_rating(star_match[1]);
3820 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3821 player2Rating = string_to_rating(star_match[4]);
3823 if (appData.debugMode)
3825 "Ratings from 'Creating:' %s %d, %s %d\n",
3826 player1Name, player1Rating,
3827 player2Name, player2Rating);
3832 /* Improved generic start/end-of-game messages */
3833 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3834 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3835 /* If tkind == 0: */
3836 /* star_match[0] is the game number */
3837 /* [1] is the white player's name */
3838 /* [2] is the black player's name */
3839 /* For end-of-game: */
3840 /* [3] is the reason for the game end */
3841 /* [4] is a PGN end game-token, preceded by " " */
3842 /* For start-of-game: */
3843 /* [3] begins with "Creating" or "Continuing" */
3844 /* [4] is " *" or empty (don't care). */
3845 int gamenum = atoi(star_match[0]);
3846 char *whitename, *blackname, *why, *endtoken;
3847 ChessMove endtype = EndOfFile;
3850 whitename = star_match[1];
3851 blackname = star_match[2];
3852 why = star_match[3];
3853 endtoken = star_match[4];
3855 whitename = star_match[1];
3856 blackname = star_match[3];
3857 why = star_match[5];
3858 endtoken = star_match[6];
3861 /* Game start messages */
3862 if (strncmp(why, "Creating ", 9) == 0 ||
3863 strncmp(why, "Continuing ", 11) == 0) {
3864 gs_gamenum = gamenum;
3865 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3866 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3867 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3869 if (appData.zippyPlay) {
3870 ZippyGameStart(whitename, blackname);
3873 partnerBoardValid = FALSE; // [HGM] bughouse
3877 /* Game end messages */
3878 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3879 ics_gamenum != gamenum) {
3882 while (endtoken[0] == ' ') endtoken++;
3883 switch (endtoken[0]) {
3886 endtype = GameUnfinished;
3889 endtype = BlackWins;
3892 if (endtoken[1] == '/')
3893 endtype = GameIsDrawn;
3895 endtype = WhiteWins;
3898 GameEnds(endtype, why, GE_ICS);
3900 if (appData.zippyPlay && first.initDone) {
3901 ZippyGameEnd(endtype, why);
3902 if (first.pr == NoProc) {
3903 /* Start the next process early so that we'll
3904 be ready for the next challenge */
3905 StartChessProgram(&first);
3907 /* Send "new" early, in case this command takes
3908 a long time to finish, so that we'll be ready
3909 for the next challenge. */
3910 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3914 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3918 if (looking_at(buf, &i, "Removing game * from observation") ||
3919 looking_at(buf, &i, "no longer observing game *") ||
3920 looking_at(buf, &i, "Game * (*) has no examiners")) {
3921 if (gameMode == IcsObserving &&
3922 atoi(star_match[0]) == ics_gamenum)
3924 /* icsEngineAnalyze */
3925 if (appData.icsEngineAnalyze) {
3932 ics_user_moved = FALSE;
3937 if (looking_at(buf, &i, "no longer examining game *")) {
3938 if (gameMode == IcsExamining &&
3939 atoi(star_match[0]) == ics_gamenum)
3943 ics_user_moved = FALSE;
3948 /* Advance leftover_start past any newlines we find,
3949 so only partial lines can get reparsed */
3950 if (looking_at(buf, &i, "\n")) {
3951 prevColor = curColor;
3952 if (curColor != ColorNormal) {
3953 if (oldi > next_out) {
3954 SendToPlayer(&buf[next_out], oldi - next_out);
3957 Colorize(ColorNormal, FALSE);
3958 curColor = ColorNormal;
3960 if (started == STARTED_BOARD) {
3961 started = STARTED_NONE;
3962 parse[parse_pos] = NULLCHAR;
3963 ParseBoard12(parse);
3966 /* Send premove here */
3967 if (appData.premove) {
3969 if (currentMove == 0 &&
3970 gameMode == IcsPlayingWhite &&
3971 appData.premoveWhite) {
3972 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3973 if (appData.debugMode)
3974 fprintf(debugFP, "Sending premove:\n");
3976 } else if (currentMove == 1 &&
3977 gameMode == IcsPlayingBlack &&
3978 appData.premoveBlack) {
3979 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3980 if (appData.debugMode)
3981 fprintf(debugFP, "Sending premove:\n");
3983 } else if (gotPremove) {
3985 ClearPremoveHighlights();
3986 if (appData.debugMode)
3987 fprintf(debugFP, "Sending premove:\n");
3988 UserMoveEvent(premoveFromX, premoveFromY,
3989 premoveToX, premoveToY,
3994 /* Usually suppress following prompt */
3995 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3996 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3997 if (looking_at(buf, &i, "*% ")) {
3998 savingComment = FALSE;
4003 } else if (started == STARTED_HOLDINGS) {
4005 char new_piece[MSG_SIZ];
4006 started = STARTED_NONE;
4007 parse[parse_pos] = NULLCHAR;
4008 if (appData.debugMode)
4009 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4010 parse, currentMove);
4011 if (sscanf(parse, " game %d", &gamenum) == 1) {
4012 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4013 if (gameInfo.variant == VariantNormal) {
4014 /* [HGM] We seem to switch variant during a game!
4015 * Presumably no holdings were displayed, so we have
4016 * to move the position two files to the right to
4017 * create room for them!
4019 VariantClass newVariant;
4020 switch(gameInfo.boardWidth) { // base guess on board width
4021 case 9: newVariant = VariantShogi; break;
4022 case 10: newVariant = VariantGreat; break;
4023 default: newVariant = VariantCrazyhouse; break;
4025 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4026 /* Get a move list just to see the header, which
4027 will tell us whether this is really bug or zh */
4028 if (ics_getting_history == H_FALSE) {
4029 ics_getting_history = H_REQUESTED;
4030 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4034 new_piece[0] = NULLCHAR;
4035 sscanf(parse, "game %d white [%s black [%s <- %s",
4036 &gamenum, white_holding, black_holding,
4038 white_holding[strlen(white_holding)-1] = NULLCHAR;
4039 black_holding[strlen(black_holding)-1] = NULLCHAR;
4040 /* [HGM] copy holdings to board holdings area */
4041 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4042 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4043 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4045 if (appData.zippyPlay && first.initDone) {
4046 ZippyHoldings(white_holding, black_holding,
4050 if (tinyLayout || smallLayout) {
4051 char wh[16], bh[16];
4052 PackHolding(wh, white_holding);
4053 PackHolding(bh, black_holding);
4054 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4055 gameInfo.white, gameInfo.black);
4057 snprintf(str, MSG_SIZ, _("%s [%s] vs. %s [%s]"),
4058 gameInfo.white, white_holding,
4059 gameInfo.black, black_holding);
4061 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4062 DrawPosition(FALSE, boards[currentMove]);
4064 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4065 sscanf(parse, "game %d white [%s black [%s <- %s",
4066 &gamenum, white_holding, black_holding,
4068 white_holding[strlen(white_holding)-1] = NULLCHAR;
4069 black_holding[strlen(black_holding)-1] = NULLCHAR;
4070 /* [HGM] copy holdings to partner-board holdings area */
4071 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4072 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4073 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4074 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4075 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4078 /* Suppress following prompt */
4079 if (looking_at(buf, &i, "*% ")) {
4080 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4081 savingComment = FALSE;
4089 i++; /* skip unparsed character and loop back */
4092 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4093 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4094 // SendToPlayer(&buf[next_out], i - next_out);
4095 started != STARTED_HOLDINGS && leftover_start > next_out) {
4096 SendToPlayer(&buf[next_out], leftover_start - next_out);
4100 leftover_len = buf_len - leftover_start;
4101 /* if buffer ends with something we couldn't parse,
4102 reparse it after appending the next read */
4104 } else if (count == 0) {
4105 RemoveInputSource(isr);
4106 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4108 DisplayFatalError(_("Error reading from ICS"), error, 1);
4113 /* Board style 12 looks like this:
4115 <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
4117 * The "<12> " is stripped before it gets to this routine. The two
4118 * trailing 0's (flip state and clock ticking) are later addition, and
4119 * some chess servers may not have them, or may have only the first.
4120 * Additional trailing fields may be added in the future.
4123 #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"
4125 #define RELATION_OBSERVING_PLAYED 0
4126 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4127 #define RELATION_PLAYING_MYMOVE 1
4128 #define RELATION_PLAYING_NOTMYMOVE -1
4129 #define RELATION_EXAMINING 2
4130 #define RELATION_ISOLATED_BOARD -3
4131 #define RELATION_STARTING_POSITION -4 /* FICS only */
4134 ParseBoard12(string)
4137 GameMode newGameMode;
4138 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4139 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4140 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4141 char to_play, board_chars[200];
4142 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4143 char black[32], white[32];
4145 int prevMove = currentMove;
4148 int fromX, fromY, toX, toY;
4150 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4151 char *bookHit = NULL; // [HGM] book
4152 Boolean weird = FALSE, reqFlag = FALSE;
4154 fromX = fromY = toX = toY = -1;
4158 if (appData.debugMode)
4159 fprintf(debugFP, _("Parsing board: %s\n"), string);
4161 move_str[0] = NULLCHAR;
4162 elapsed_time[0] = NULLCHAR;
4163 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4165 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4166 if(string[i] == ' ') { ranks++; files = 0; }
4168 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4171 for(j = 0; j <i; j++) board_chars[j] = string[j];
4172 board_chars[i] = '\0';
4175 n = sscanf(string, PATTERN, &to_play, &double_push,
4176 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4177 &gamenum, white, black, &relation, &basetime, &increment,
4178 &white_stren, &black_stren, &white_time, &black_time,
4179 &moveNum, str, elapsed_time, move_str, &ics_flip,
4183 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4184 DisplayError(str, 0);
4188 /* Convert the move number to internal form */
4189 moveNum = (moveNum - 1) * 2;
4190 if (to_play == 'B') moveNum++;
4191 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4192 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4198 case RELATION_OBSERVING_PLAYED:
4199 case RELATION_OBSERVING_STATIC:
4200 if (gamenum == -1) {
4201 /* Old ICC buglet */
4202 relation = RELATION_OBSERVING_STATIC;
4204 newGameMode = IcsObserving;
4206 case RELATION_PLAYING_MYMOVE:
4207 case RELATION_PLAYING_NOTMYMOVE:
4209 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4210 IcsPlayingWhite : IcsPlayingBlack;
4212 case RELATION_EXAMINING:
4213 newGameMode = IcsExamining;
4215 case RELATION_ISOLATED_BOARD:
4217 /* Just display this board. If user was doing something else,
4218 we will forget about it until the next board comes. */
4219 newGameMode = IcsIdle;
4221 case RELATION_STARTING_POSITION:
4222 newGameMode = gameMode;
4226 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4227 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4228 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4230 for (k = 0; k < ranks; k++) {
4231 for (j = 0; j < files; j++)
4232 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4233 if(gameInfo.holdingsWidth > 1) {
4234 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4235 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4238 CopyBoard(partnerBoard, board);
4239 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4240 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4241 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4242 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4243 if(toSqr = strchr(str, '-')) {
4244 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4245 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4246 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4247 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4248 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4249 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4250 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4251 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4252 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4253 DisplayMessage(partnerStatus, "");
4254 partnerBoardValid = TRUE;
4258 /* Modify behavior for initial board display on move listing
4261 switch (ics_getting_history) {
4265 case H_GOT_REQ_HEADER:
4266 case H_GOT_UNREQ_HEADER:
4267 /* This is the initial position of the current game */
4268 gamenum = ics_gamenum;
4269 moveNum = 0; /* old ICS bug workaround */
4270 if (to_play == 'B') {
4271 startedFromSetupPosition = TRUE;
4272 blackPlaysFirst = TRUE;
4274 if (forwardMostMove == 0) forwardMostMove = 1;
4275 if (backwardMostMove == 0) backwardMostMove = 1;
4276 if (currentMove == 0) currentMove = 1;
4278 newGameMode = gameMode;
4279 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4281 case H_GOT_UNWANTED_HEADER:
4282 /* This is an initial board that we don't want */
4284 case H_GETTING_MOVES:
4285 /* Should not happen */
4286 DisplayError(_("Error gathering move list: extra board"), 0);
4287 ics_getting_history = H_FALSE;
4291 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4292 weird && (int)gameInfo.variant < (int)VariantShogi) {
4293 /* [HGM] We seem to have switched variant unexpectedly
4294 * Try to guess new variant from board size
4296 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4297 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4298 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4299 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4300 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4301 if(!weird) newVariant = VariantNormal;
4302 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4303 /* Get a move list just to see the header, which
4304 will tell us whether this is really bug or zh */
4305 if (ics_getting_history == H_FALSE) {
4306 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4307 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4312 /* Take action if this is the first board of a new game, or of a
4313 different game than is currently being displayed. */
4314 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4315 relation == RELATION_ISOLATED_BOARD) {
4317 /* Forget the old game and get the history (if any) of the new one */
4318 if (gameMode != BeginningOfGame) {
4322 if (appData.autoRaiseBoard) BoardToTop();
4324 if (gamenum == -1) {
4325 newGameMode = IcsIdle;
4326 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4327 appData.getMoveList && !reqFlag) {
4328 /* Need to get game history */
4329 ics_getting_history = H_REQUESTED;
4330 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4334 /* Initially flip the board to have black on the bottom if playing
4335 black or if the ICS flip flag is set, but let the user change
4336 it with the Flip View button. */
4337 flipView = appData.autoFlipView ?
4338 (newGameMode == IcsPlayingBlack) || ics_flip :
4341 /* Done with values from previous mode; copy in new ones */
4342 gameMode = newGameMode;
4344 ics_gamenum = gamenum;
4345 if (gamenum == gs_gamenum) {
4346 int klen = strlen(gs_kind);
4347 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4348 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4349 gameInfo.event = StrSave(str);
4351 gameInfo.event = StrSave("ICS game");
4353 gameInfo.site = StrSave(appData.icsHost);
4354 gameInfo.date = PGNDate();
4355 gameInfo.round = StrSave("-");
4356 gameInfo.white = StrSave(white);
4357 gameInfo.black = StrSave(black);
4358 timeControl = basetime * 60 * 1000;
4360 timeIncrement = increment * 1000;
4361 movesPerSession = 0;
4362 gameInfo.timeControl = TimeControlTagValue();
4363 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4364 if (appData.debugMode) {
4365 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4366 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4367 setbuf(debugFP, NULL);
4370 gameInfo.outOfBook = NULL;
4372 /* Do we have the ratings? */
4373 if (strcmp(player1Name, white) == 0 &&
4374 strcmp(player2Name, black) == 0) {
4375 if (appData.debugMode)
4376 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4377 player1Rating, player2Rating);
4378 gameInfo.whiteRating = player1Rating;
4379 gameInfo.blackRating = player2Rating;
4380 } else if (strcmp(player2Name, white) == 0 &&
4381 strcmp(player1Name, black) == 0) {
4382 if (appData.debugMode)
4383 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4384 player2Rating, player1Rating);
4385 gameInfo.whiteRating = player2Rating;
4386 gameInfo.blackRating = player1Rating;
4388 player1Name[0] = player2Name[0] = NULLCHAR;
4390 /* Silence shouts if requested */
4391 if (appData.quietPlay &&
4392 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4393 SendToICS(ics_prefix);
4394 SendToICS("set shout 0\n");
4398 /* Deal with midgame name changes */
4400 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4401 if (gameInfo.white) free(gameInfo.white);
4402 gameInfo.white = StrSave(white);
4404 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4405 if (gameInfo.black) free(gameInfo.black);
4406 gameInfo.black = StrSave(black);
4410 /* Throw away game result if anything actually changes in examine mode */
4411 if (gameMode == IcsExamining && !newGame) {
4412 gameInfo.result = GameUnfinished;
4413 if (gameInfo.resultDetails != NULL) {
4414 free(gameInfo.resultDetails);
4415 gameInfo.resultDetails = NULL;
4419 /* In pausing && IcsExamining mode, we ignore boards coming
4420 in if they are in a different variation than we are. */
4421 if (pauseExamInvalid) return;
4422 if (pausing && gameMode == IcsExamining) {
4423 if (moveNum <= pauseExamForwardMostMove) {
4424 pauseExamInvalid = TRUE;
4425 forwardMostMove = pauseExamForwardMostMove;
4430 if (appData.debugMode) {
4431 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4433 /* Parse the board */
4434 for (k = 0; k < ranks; k++) {
4435 for (j = 0; j < files; j++)
4436 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4437 if(gameInfo.holdingsWidth > 1) {
4438 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4439 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4442 CopyBoard(boards[moveNum], board);
4443 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4445 startedFromSetupPosition =
4446 !CompareBoards(board, initialPosition);
4447 if(startedFromSetupPosition)
4448 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4451 /* [HGM] Set castling rights. Take the outermost Rooks,
4452 to make it also work for FRC opening positions. Note that board12
4453 is really defective for later FRC positions, as it has no way to
4454 indicate which Rook can castle if they are on the same side of King.
4455 For the initial position we grant rights to the outermost Rooks,
4456 and remember thos rights, and we then copy them on positions
4457 later in an FRC game. This means WB might not recognize castlings with
4458 Rooks that have moved back to their original position as illegal,
4459 but in ICS mode that is not its job anyway.
4461 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4462 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4464 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4465 if(board[0][i] == WhiteRook) j = i;
4466 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4467 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4468 if(board[0][i] == WhiteRook) j = i;
4469 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4470 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4471 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4472 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4473 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4474 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4475 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4477 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4478 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4479 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4480 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4481 if(board[BOARD_HEIGHT-1][k] == bKing)
4482 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4483 if(gameInfo.variant == VariantTwoKings) {
4484 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4485 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4486 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4489 r = boards[moveNum][CASTLING][0] = initialRights[0];
4490 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4491 r = boards[moveNum][CASTLING][1] = initialRights[1];
4492 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4493 r = boards[moveNum][CASTLING][3] = initialRights[3];
4494 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4495 r = boards[moveNum][CASTLING][4] = initialRights[4];
4496 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4497 /* wildcastle kludge: always assume King has rights */
4498 r = boards[moveNum][CASTLING][2] = initialRights[2];
4499 r = boards[moveNum][CASTLING][5] = initialRights[5];
4501 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4502 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4505 if (ics_getting_history == H_GOT_REQ_HEADER ||
4506 ics_getting_history == H_GOT_UNREQ_HEADER) {
4507 /* This was an initial position from a move list, not
4508 the current position */
4512 /* Update currentMove and known move number limits */
4513 newMove = newGame || moveNum > forwardMostMove;
4516 forwardMostMove = backwardMostMove = currentMove = moveNum;
4517 if (gameMode == IcsExamining && moveNum == 0) {
4518 /* Workaround for ICS limitation: we are not told the wild
4519 type when starting to examine a game. But if we ask for
4520 the move list, the move list header will tell us */
4521 ics_getting_history = H_REQUESTED;
4522 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4525 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4526 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4528 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4529 /* [HGM] applied this also to an engine that is silently watching */
4530 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4531 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4532 gameInfo.variant == currentlyInitializedVariant) {
4533 takeback = forwardMostMove - moveNum;
4534 for (i = 0; i < takeback; i++) {
4535 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4536 SendToProgram("undo\n", &first);
4541 forwardMostMove = moveNum;
4542 if (!pausing || currentMove > forwardMostMove)
4543 currentMove = forwardMostMove;
4545 /* New part of history that is not contiguous with old part */
4546 if (pausing && gameMode == IcsExamining) {
4547 pauseExamInvalid = TRUE;
4548 forwardMostMove = pauseExamForwardMostMove;
4551 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4553 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4554 // [HGM] when we will receive the move list we now request, it will be
4555 // fed to the engine from the first move on. So if the engine is not
4556 // in the initial position now, bring it there.
4557 InitChessProgram(&first, 0);
4560 ics_getting_history = H_REQUESTED;
4561 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4564 forwardMostMove = backwardMostMove = currentMove = moveNum;
4567 /* Update the clocks */
4568 if (strchr(elapsed_time, '.')) {
4570 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4571 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4573 /* Time is in seconds */
4574 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4575 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4580 if (appData.zippyPlay && newGame &&
4581 gameMode != IcsObserving && gameMode != IcsIdle &&
4582 gameMode != IcsExamining)
4583 ZippyFirstBoard(moveNum, basetime, increment);
4586 /* Put the move on the move list, first converting
4587 to canonical algebraic form. */
4589 if (appData.debugMode) {
4590 if (appData.debugMode) { int f = forwardMostMove;
4591 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4592 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4593 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4595 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4596 fprintf(debugFP, "moveNum = %d\n", moveNum);
4597 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4598 setbuf(debugFP, NULL);
4600 if (moveNum <= backwardMostMove) {
4601 /* We don't know what the board looked like before
4603 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4604 strcat(parseList[moveNum - 1], " ");
4605 strcat(parseList[moveNum - 1], elapsed_time);
4606 moveList[moveNum - 1][0] = NULLCHAR;
4607 } else if (strcmp(move_str, "none") == 0) {
4608 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4609 /* Again, we don't know what the board looked like;
4610 this is really the start of the game. */
4611 parseList[moveNum - 1][0] = NULLCHAR;
4612 moveList[moveNum - 1][0] = NULLCHAR;
4613 backwardMostMove = moveNum;
4614 startedFromSetupPosition = TRUE;
4615 fromX = fromY = toX = toY = -1;
4617 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4618 // So we parse the long-algebraic move string in stead of the SAN move
4619 int valid; char buf[MSG_SIZ], *prom;
4621 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4622 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4623 // str looks something like "Q/a1-a2"; kill the slash
4625 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4626 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4627 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4628 strcat(buf, prom); // long move lacks promo specification!
4629 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4630 if(appData.debugMode)
4631 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4632 safeStrCpy(move_str, buf, MSG_SIZ);
4634 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4635 &fromX, &fromY, &toX, &toY, &promoChar)
4636 || ParseOneMove(buf, moveNum - 1, &moveType,
4637 &fromX, &fromY, &toX, &toY, &promoChar);
4638 // end of long SAN patch
4640 (void) CoordsToAlgebraic(boards[moveNum - 1],
4641 PosFlags(moveNum - 1),
4642 fromY, fromX, toY, toX, promoChar,
4643 parseList[moveNum-1]);
4644 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4650 if(gameInfo.variant != VariantShogi)
4651 strcat(parseList[moveNum - 1], "+");
4654 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4655 strcat(parseList[moveNum - 1], "#");
4658 strcat(parseList[moveNum - 1], " ");
4659 strcat(parseList[moveNum - 1], elapsed_time);
4660 /* currentMoveString is set as a side-effect of ParseOneMove */
4661 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4662 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4663 strcat(moveList[moveNum - 1], "\n");
4665 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4666 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4667 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4668 ChessSquare old, new = boards[moveNum][k][j];
4669 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4670 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4671 if(old == new) continue;
4672 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4673 else if(new == WhiteWazir || new == BlackWazir) {
4674 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4675 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4676 else boards[moveNum][k][j] = old; // preserve type of Gold
4677 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4678 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4681 /* Move from ICS was illegal!? Punt. */
4682 if (appData.debugMode) {
4683 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4684 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4686 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4687 strcat(parseList[moveNum - 1], " ");
4688 strcat(parseList[moveNum - 1], elapsed_time);
4689 moveList[moveNum - 1][0] = NULLCHAR;
4690 fromX = fromY = toX = toY = -1;
4693 if (appData.debugMode) {
4694 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4695 setbuf(debugFP, NULL);
4699 /* Send move to chess program (BEFORE animating it). */
4700 if (appData.zippyPlay && !newGame && newMove &&
4701 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4703 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4704 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4705 if (moveList[moveNum - 1][0] == NULLCHAR) {
4706 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4708 DisplayError(str, 0);
4710 if (first.sendTime) {
4711 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4713 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4714 if (firstMove && !bookHit) {
4716 if (first.useColors) {
4717 SendToProgram(gameMode == IcsPlayingWhite ?
4719 "black\ngo\n", &first);
4721 SendToProgram("go\n", &first);
4723 first.maybeThinking = TRUE;
4726 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4727 if (moveList[moveNum - 1][0] == NULLCHAR) {
4728 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4729 DisplayError(str, 0);
4731 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4732 SendMoveToProgram(moveNum - 1, &first);
4739 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4740 /* If move comes from a remote source, animate it. If it
4741 isn't remote, it will have already been animated. */
4742 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4743 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4745 if (!pausing && appData.highlightLastMove) {
4746 SetHighlights(fromX, fromY, toX, toY);
4750 /* Start the clocks */
4751 whiteFlag = blackFlag = FALSE;
4752 appData.clockMode = !(basetime == 0 && increment == 0);
4754 ics_clock_paused = TRUE;
4756 } else if (ticking == 1) {
4757 ics_clock_paused = FALSE;
4759 if (gameMode == IcsIdle ||
4760 relation == RELATION_OBSERVING_STATIC ||
4761 relation == RELATION_EXAMINING ||
4763 DisplayBothClocks();
4767 /* Display opponents and material strengths */
4768 if (gameInfo.variant != VariantBughouse &&
4769 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4770 if (tinyLayout || smallLayout) {
4771 if(gameInfo.variant == VariantNormal)
4772 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4773 gameInfo.white, white_stren, gameInfo.black, black_stren,
4774 basetime, increment);
4776 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4777 gameInfo.white, white_stren, gameInfo.black, black_stren,
4778 basetime, increment, (int) gameInfo.variant);
4780 if(gameInfo.variant == VariantNormal)
4781 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d}"),
4782 gameInfo.white, white_stren, gameInfo.black, black_stren,
4783 basetime, increment);
4785 snprintf(str, MSG_SIZ, _("%s (%d) vs. %s (%d) {%d %d %s}"),
4786 gameInfo.white, white_stren, gameInfo.black, black_stren,
4787 basetime, increment, VariantName(gameInfo.variant));
4790 if (appData.debugMode) {
4791 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4796 /* Display the board */
4797 if (!pausing && !appData.noGUI) {
4799 if (appData.premove)
4801 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4802 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4803 ClearPremoveHighlights();
4805 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4806 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4807 DrawPosition(j, boards[currentMove]);
4809 DisplayMove(moveNum - 1);
4810 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4811 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4812 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4813 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4817 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4819 if(bookHit) { // [HGM] book: simulate book reply
4820 static char bookMove[MSG_SIZ]; // a bit generous?
4822 programStats.nodes = programStats.depth = programStats.time =
4823 programStats.score = programStats.got_only_move = 0;
4824 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4826 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4827 strcat(bookMove, bookHit);
4828 HandleMachineMove(bookMove, &first);
4837 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4838 ics_getting_history = H_REQUESTED;
4839 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4845 AnalysisPeriodicEvent(force)
4848 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4849 && !force) || !appData.periodicUpdates)
4852 /* Send . command to Crafty to collect stats */
4853 SendToProgram(".\n", &first);
4855 /* Don't send another until we get a response (this makes
4856 us stop sending to old Crafty's which don't understand
4857 the "." command (sending illegal cmds resets node count & time,
4858 which looks bad)) */
4859 programStats.ok_to_send = 0;
4862 void ics_update_width(new_width)
4865 ics_printf("set width %d\n", new_width);
4869 SendMoveToProgram(moveNum, cps)
4871 ChessProgramState *cps;
4875 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4876 // null move in variant where engine does not understand it (for analysis purposes)
4877 SendBoard(cps, moveNum + 1); // send position after move in stead.
4880 if (cps->useUsermove) {
4881 SendToProgram("usermove ", cps);
4885 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4886 int len = space - parseList[moveNum];
4887 memcpy(buf, parseList[moveNum], len);
4889 buf[len] = NULLCHAR;
4891 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4893 SendToProgram(buf, cps);
4895 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4896 AlphaRank(moveList[moveNum], 4);
4897 SendToProgram(moveList[moveNum], cps);
4898 AlphaRank(moveList[moveNum], 4); // and back
4900 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4901 * the engine. It would be nice to have a better way to identify castle
4903 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4904 && cps->useOOCastle) {
4905 int fromX = moveList[moveNum][0] - AAA;
4906 int fromY = moveList[moveNum][1] - ONE;
4907 int toX = moveList[moveNum][2] - AAA;
4908 int toY = moveList[moveNum][3] - ONE;
4909 if((boards[moveNum][fromY][fromX] == WhiteKing
4910 && boards[moveNum][toY][toX] == WhiteRook)
4911 || (boards[moveNum][fromY][fromX] == BlackKing
4912 && boards[moveNum][toY][toX] == BlackRook)) {
4913 if(toX > fromX) SendToProgram("O-O\n", cps);
4914 else SendToProgram("O-O-O\n", cps);
4916 else SendToProgram(moveList[moveNum], cps);
4918 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4919 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4920 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4921 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4922 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4924 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4925 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4926 SendToProgram(buf, cps);
4928 else SendToProgram(moveList[moveNum], cps);
4929 /* End of additions by Tord */
4932 /* [HGM] setting up the opening has brought engine in force mode! */
4933 /* Send 'go' if we are in a mode where machine should play. */
4934 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4935 (gameMode == TwoMachinesPlay ||
4937 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4939 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4940 SendToProgram("go\n", cps);
4941 if (appData.debugMode) {
4942 fprintf(debugFP, "(extra)\n");
4945 setboardSpoiledMachineBlack = 0;
4949 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4951 int fromX, fromY, toX, toY;
4954 char user_move[MSG_SIZ];
4957 if(gameInfo.variant == VariantSChess && promoChar) {
4958 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4959 if(toX == BOARD_WIDTH>>1) moveType = WhitePromotion; // kludge to do gating at Rook
4960 } else suffix[0] = NULLCHAR;
4964 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4965 (int)moveType, fromX, fromY, toX, toY);
4966 DisplayError(user_move + strlen("say "), 0);
4968 case WhiteKingSideCastle:
4969 case BlackKingSideCastle:
4970 case WhiteQueenSideCastleWild:
4971 case BlackQueenSideCastleWild:
4973 case WhiteHSideCastleFR:
4974 case BlackHSideCastleFR:
4976 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4978 case WhiteQueenSideCastle:
4979 case BlackQueenSideCastle:
4980 case WhiteKingSideCastleWild:
4981 case BlackKingSideCastleWild:
4983 case WhiteASideCastleFR:
4984 case BlackASideCastleFR:
4986 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4988 case WhiteNonPromotion:
4989 case BlackNonPromotion:
4990 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4992 case WhitePromotion:
4993 case BlackPromotion:
4994 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4995 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4996 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4997 PieceToChar(WhiteFerz));
4998 else if(gameInfo.variant == VariantGreat)
4999 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5000 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5001 PieceToChar(WhiteMan));
5003 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5004 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5010 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5011 ToUpper(PieceToChar((ChessSquare) fromX)),
5012 AAA + toX, ONE + toY);
5014 case IllegalMove: /* could be a variant we don't quite understand */
5015 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5017 case WhiteCapturesEnPassant:
5018 case BlackCapturesEnPassant:
5019 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5020 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5023 SendToICS(user_move);
5024 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5025 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5030 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5031 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5032 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5033 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5034 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5037 if(gameMode != IcsExamining) { // is this ever not the case?
5038 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5040 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5041 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5042 } else { // on FICS we must first go to general examine mode
5043 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5045 if(gameInfo.variant != VariantNormal) {
5046 // try figure out wild number, as xboard names are not always valid on ICS
5047 for(i=1; i<=36; i++) {
5048 snprintf(buf, MSG_SIZ, "wild/%d", i);
5049 if(StringToVariant(buf) == gameInfo.variant) break;
5051 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5052 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5053 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5054 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5055 SendToICS(ics_prefix);
5057 if(startedFromSetupPosition || backwardMostMove != 0) {
5058 fen = PositionToFEN(backwardMostMove, NULL);
5059 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5060 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5062 } else { // FICS: everything has to set by separate bsetup commands
5063 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5064 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5066 if(!WhiteOnMove(backwardMostMove)) {
5067 SendToICS("bsetup tomove black\n");
5069 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5070 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5072 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5073 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5075 i = boards[backwardMostMove][EP_STATUS];
5076 if(i >= 0) { // set e.p.
5077 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5083 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5084 SendToICS("bsetup done\n"); // switch to normal examining.
5086 for(i = backwardMostMove; i<last; i++) {
5088 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5091 SendToICS(ics_prefix);
5092 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5096 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5101 if (rf == DROP_RANK) {
5102 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5103 sprintf(move, "%c@%c%c\n",
5104 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5106 if (promoChar == 'x' || promoChar == NULLCHAR) {
5107 sprintf(move, "%c%c%c%c\n",
5108 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5110 sprintf(move, "%c%c%c%c%c\n",
5111 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5117 ProcessICSInitScript(f)
5122 while (fgets(buf, MSG_SIZ, f)) {
5123 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5130 static int lastX, lastY, selectFlag, dragging;
5135 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5136 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5137 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5138 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5139 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5140 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5143 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5144 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5145 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5146 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5147 if(!step) step = -1;
5148 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5149 appData.testLegality && (promoSweep == king ||
5150 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5151 ChangeDragPiece(promoSweep);
5154 int PromoScroll(int x, int y)
5158 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5159 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5160 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5161 if(!step) return FALSE;
5162 lastX = x; lastY = y;
5163 if((promoSweep < BlackPawn) == flipView) step = -step;
5164 if(step > 0) selectFlag = 1;
5165 if(!selectFlag) Sweep(step);
5172 ChessSquare piece = boards[currentMove][toY][toX];
5175 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5176 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5177 if(!step) step = -1;
5178 } while(PieceToChar(pieceSweep) == '.');
5179 boards[currentMove][toY][toX] = pieceSweep;
5180 DrawPosition(FALSE, boards[currentMove]);
5181 boards[currentMove][toY][toX] = piece;
5183 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5185 AlphaRank(char *move, int n)
5187 // char *p = move, c; int x, y;
5189 if (appData.debugMode) {
5190 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5194 move[2]>='0' && move[2]<='9' &&
5195 move[3]>='a' && move[3]<='x' ) {
5197 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5198 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5200 if(move[0]>='0' && move[0]<='9' &&
5201 move[1]>='a' && move[1]<='x' &&
5202 move[2]>='0' && move[2]<='9' &&
5203 move[3]>='a' && move[3]<='x' ) {
5204 /* input move, Shogi -> normal */
5205 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5206 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5207 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5208 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5211 move[3]>='0' && move[3]<='9' &&
5212 move[2]>='a' && move[2]<='x' ) {
5214 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5215 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5218 move[0]>='a' && move[0]<='x' &&
5219 move[3]>='0' && move[3]<='9' &&
5220 move[2]>='a' && move[2]<='x' ) {
5221 /* output move, normal -> Shogi */
5222 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5223 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5224 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5225 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5226 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5228 if (appData.debugMode) {
5229 fprintf(debugFP, " out = '%s'\n", move);
5233 char yy_textstr[8000];
5235 /* Parser for moves from gnuchess, ICS, or user typein box */
5237 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5240 ChessMove *moveType;
5241 int *fromX, *fromY, *toX, *toY;
5244 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5246 switch (*moveType) {
5247 case WhitePromotion:
5248 case BlackPromotion:
5249 case WhiteNonPromotion:
5250 case BlackNonPromotion:
5252 case WhiteCapturesEnPassant:
5253 case BlackCapturesEnPassant:
5254 case WhiteKingSideCastle:
5255 case WhiteQueenSideCastle:
5256 case BlackKingSideCastle:
5257 case BlackQueenSideCastle:
5258 case WhiteKingSideCastleWild:
5259 case WhiteQueenSideCastleWild:
5260 case BlackKingSideCastleWild:
5261 case BlackQueenSideCastleWild:
5262 /* Code added by Tord: */
5263 case WhiteHSideCastleFR:
5264 case WhiteASideCastleFR:
5265 case BlackHSideCastleFR:
5266 case BlackASideCastleFR:
5267 /* End of code added by Tord */
5268 case IllegalMove: /* bug or odd chess variant */
5269 *fromX = currentMoveString[0] - AAA;
5270 *fromY = currentMoveString[1] - ONE;
5271 *toX = currentMoveString[2] - AAA;
5272 *toY = currentMoveString[3] - ONE;
5273 *promoChar = currentMoveString[4];
5274 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5275 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5276 if (appData.debugMode) {
5277 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5279 *fromX = *fromY = *toX = *toY = 0;
5282 if (appData.testLegality) {
5283 return (*moveType != IllegalMove);
5285 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5286 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5291 *fromX = *moveType == WhiteDrop ?
5292 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5293 (int) CharToPiece(ToLower(currentMoveString[0]));
5295 *toX = currentMoveString[2] - AAA;
5296 *toY = currentMoveString[3] - ONE;
5297 *promoChar = NULLCHAR;
5301 case ImpossibleMove:
5311 if (appData.debugMode) {
5312 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5315 *fromX = *fromY = *toX = *toY = 0;
5316 *promoChar = NULLCHAR;
5321 Boolean pushed = FALSE;
5322 char *lastParseAttempt;
5325 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5326 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5327 int fromX, fromY, toX, toY; char promoChar;
5332 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5333 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5336 endPV = forwardMostMove;
5338 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5339 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5340 lastParseAttempt = pv;
5341 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5342 if(appData.debugMode){
5343 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);
5345 if(!valid && nr == 0 &&
5346 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5347 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5348 // Hande case where played move is different from leading PV move
5349 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5350 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5351 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5352 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5353 endPV += 2; // if position different, keep this
5354 moveList[endPV-1][0] = fromX + AAA;
5355 moveList[endPV-1][1] = fromY + ONE;
5356 moveList[endPV-1][2] = toX + AAA;
5357 moveList[endPV-1][3] = toY + ONE;
5358 parseList[endPV-1][0] = NULLCHAR;
5359 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5362 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5363 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5364 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5365 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5366 valid++; // allow comments in PV
5370 if(endPV+1 > framePtr) break; // no space, truncate
5373 CopyBoard(boards[endPV], boards[endPV-1]);
5374 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5375 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5376 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5377 CoordsToAlgebraic(boards[endPV - 1],
5378 PosFlags(endPV - 1),
5379 fromY, fromX, toY, toX, promoChar,
5380 parseList[endPV - 1]);
5382 if(atEnd == 2) return; // used hidden, for PV conversion
5383 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5384 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5385 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5386 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5387 DrawPosition(TRUE, boards[currentMove]);
5391 MultiPV(ChessProgramState *cps)
5392 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5394 for(i=0; i<cps->nrOptions; i++)
5395 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5401 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5403 int startPV, multi, lineStart, origIndex = index;
5404 char *p, buf2[MSG_SIZ];
5406 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5407 lastX = x; lastY = y;
5408 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5409 lineStart = startPV = index;
5410 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5411 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5413 do{ while(buf[index] && buf[index] != '\n') index++;
5414 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5416 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5417 int n = first.option[multi].value;
5418 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5419 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5420 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5421 first.option[multi].value = n;
5425 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5426 *start = startPV; *end = index-1;
5433 static char buf[10*MSG_SIZ];
5434 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5436 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5437 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5438 for(i = forwardMostMove; i<endPV; i++){
5439 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5440 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5443 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5444 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5450 LoadPV(int x, int y)
5451 { // called on right mouse click to load PV
5452 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5453 lastX = x; lastY = y;
5454 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5461 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5462 if(endPV < 0) return;
5464 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5465 Boolean saveAnimate = appData.animate;
5467 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5468 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5469 } else storedGames--; // abandon shelved tail of original game
5472 forwardMostMove = currentMove;
5473 currentMove = oldFMM;
5474 appData.animate = FALSE;
5475 ToNrEvent(forwardMostMove);
5476 appData.animate = saveAnimate;
5478 currentMove = forwardMostMove;
5479 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5480 ClearPremoveHighlights();
5481 DrawPosition(TRUE, boards[currentMove]);
5485 MovePV(int x, int y, int h)
5486 { // step through PV based on mouse coordinates (called on mouse move)
5487 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5489 // we must somehow check if right button is still down (might be released off board!)
5490 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5491 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5492 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5494 lastX = x; lastY = y;
5496 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5497 if(endPV < 0) return;
5498 if(y < margin) step = 1; else
5499 if(y > h - margin) step = -1;
5500 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5501 currentMove += step;
5502 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5503 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5504 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5505 DrawPosition(FALSE, boards[currentMove]);
5509 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5510 // All positions will have equal probability, but the current method will not provide a unique
5511 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5517 int piecesLeft[(int)BlackPawn];
5518 int seed, nrOfShuffles;
5520 void GetPositionNumber()
5521 { // sets global variable seed
5524 seed = appData.defaultFrcPosition;
5525 if(seed < 0) { // randomize based on time for negative FRC position numbers
5526 for(i=0; i<50; i++) seed += random();
5527 seed = random() ^ random() >> 8 ^ random() << 8;
5528 if(seed<0) seed = -seed;
5532 int put(Board board, int pieceType, int rank, int n, int shade)
5533 // put the piece on the (n-1)-th empty squares of the given shade
5537 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5538 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5539 board[rank][i] = (ChessSquare) pieceType;
5540 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5542 piecesLeft[pieceType]--;
5550 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5551 // calculate where the next piece goes, (any empty square), and put it there
5555 i = seed % squaresLeft[shade];
5556 nrOfShuffles *= squaresLeft[shade];
5557 seed /= squaresLeft[shade];
5558 put(board, pieceType, rank, i, shade);
5561 void AddTwoPieces(Board board, int pieceType, int rank)
5562 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5564 int i, n=squaresLeft[ANY], j=n-1, k;
5566 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5567 i = seed % k; // pick one
5570 while(i >= j) i -= j--;
5571 j = n - 1 - j; i += j;
5572 put(board, pieceType, rank, j, ANY);
5573 put(board, pieceType, rank, i, ANY);
5576 void SetUpShuffle(Board board, int number)
5580 GetPositionNumber(); nrOfShuffles = 1;
5582 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5583 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5584 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5586 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5588 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5589 p = (int) board[0][i];
5590 if(p < (int) BlackPawn) piecesLeft[p] ++;
5591 board[0][i] = EmptySquare;
5594 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5595 // shuffles restricted to allow normal castling put KRR first
5596 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5597 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5598 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5599 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5600 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5601 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5602 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5603 put(board, WhiteRook, 0, 0, ANY);
5604 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5607 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5608 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5609 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5610 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5611 while(piecesLeft[p] >= 2) {
5612 AddOnePiece(board, p, 0, LITE);
5613 AddOnePiece(board, p, 0, DARK);
5615 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5618 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5619 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5620 // but we leave King and Rooks for last, to possibly obey FRC restriction
5621 if(p == (int)WhiteRook) continue;
5622 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5623 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5626 // now everything is placed, except perhaps King (Unicorn) and Rooks
5628 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5629 // Last King gets castling rights
5630 while(piecesLeft[(int)WhiteUnicorn]) {
5631 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5632 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5635 while(piecesLeft[(int)WhiteKing]) {
5636 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5637 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5642 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5643 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5646 // Only Rooks can be left; simply place them all
5647 while(piecesLeft[(int)WhiteRook]) {
5648 i = put(board, WhiteRook, 0, 0, ANY);
5649 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5652 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5654 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5657 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5658 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5661 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5664 int SetCharTable( char *table, const char * map )
5665 /* [HGM] moved here from winboard.c because of its general usefulness */
5666 /* Basically a safe strcpy that uses the last character as King */
5668 int result = FALSE; int NrPieces;
5670 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5671 && NrPieces >= 12 && !(NrPieces&1)) {
5672 int i; /* [HGM] Accept even length from 12 to 34 */
5674 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5675 for( i=0; i<NrPieces/2-1; i++ ) {
5677 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5679 table[(int) WhiteKing] = map[NrPieces/2-1];
5680 table[(int) BlackKing] = map[NrPieces-1];
5688 void Prelude(Board board)
5689 { // [HGM] superchess: random selection of exo-pieces
5690 int i, j, k; ChessSquare p;
5691 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5693 GetPositionNumber(); // use FRC position number
5695 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5696 SetCharTable(pieceToChar, appData.pieceToCharTable);
5697 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5698 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5701 j = seed%4; seed /= 4;
5702 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5703 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5704 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5705 j = seed%3 + (seed%3 >= j); seed /= 3;
5706 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5707 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5708 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5709 j = seed%3; seed /= 3;
5710 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5711 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5712 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5713 j = seed%2 + (seed%2 >= j); seed /= 2;
5714 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5715 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5716 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5717 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5718 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5719 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5720 put(board, exoPieces[0], 0, 0, ANY);
5721 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5725 InitPosition(redraw)
5728 ChessSquare (* pieces)[BOARD_FILES];
5729 int i, j, pawnRow, overrule,
5730 oldx = gameInfo.boardWidth,
5731 oldy = gameInfo.boardHeight,
5732 oldh = gameInfo.holdingsWidth;
5735 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5737 /* [AS] Initialize pv info list [HGM] and game status */
5739 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5740 pvInfoList[i].depth = 0;
5741 boards[i][EP_STATUS] = EP_NONE;
5742 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5745 initialRulePlies = 0; /* 50-move counter start */
5747 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5748 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5752 /* [HGM] logic here is completely changed. In stead of full positions */
5753 /* the initialized data only consist of the two backranks. The switch */
5754 /* selects which one we will use, which is than copied to the Board */
5755 /* initialPosition, which for the rest is initialized by Pawns and */
5756 /* empty squares. This initial position is then copied to boards[0], */
5757 /* possibly after shuffling, so that it remains available. */
5759 gameInfo.holdingsWidth = 0; /* default board sizes */
5760 gameInfo.boardWidth = 8;
5761 gameInfo.boardHeight = 8;
5762 gameInfo.holdingsSize = 0;
5763 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5764 for(i=0; i<BOARD_FILES-2; i++)
5765 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5766 initialPosition[EP_STATUS] = EP_NONE;
5767 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5768 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5769 SetCharTable(pieceNickName, appData.pieceNickNames);
5770 else SetCharTable(pieceNickName, "............");
5773 switch (gameInfo.variant) {
5774 case VariantFischeRandom:
5775 shuffleOpenings = TRUE;
5778 case VariantShatranj:
5779 pieces = ShatranjArray;
5780 nrCastlingRights = 0;
5781 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5784 pieces = makrukArray;
5785 nrCastlingRights = 0;
5786 startedFromSetupPosition = TRUE;
5787 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5789 case VariantTwoKings:
5790 pieces = twoKingsArray;
5793 pieces = GrandArray;
5794 nrCastlingRights = 0;
5795 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5796 gameInfo.boardWidth = 10;
5797 gameInfo.boardHeight = 10;
5798 gameInfo.holdingsSize = 7;
5800 case VariantCapaRandom:
5801 shuffleOpenings = TRUE;
5802 case VariantCapablanca:
5803 pieces = CapablancaArray;
5804 gameInfo.boardWidth = 10;
5805 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5808 pieces = GothicArray;
5809 gameInfo.boardWidth = 10;
5810 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5813 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5814 gameInfo.holdingsSize = 7;
5817 pieces = JanusArray;
5818 gameInfo.boardWidth = 10;
5819 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5820 nrCastlingRights = 6;
5821 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5822 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5823 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5824 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5825 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5826 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5829 pieces = FalconArray;
5830 gameInfo.boardWidth = 10;
5831 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5833 case VariantXiangqi:
5834 pieces = XiangqiArray;
5835 gameInfo.boardWidth = 9;
5836 gameInfo.boardHeight = 10;
5837 nrCastlingRights = 0;
5838 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5841 pieces = ShogiArray;
5842 gameInfo.boardWidth = 9;
5843 gameInfo.boardHeight = 9;
5844 gameInfo.holdingsSize = 7;
5845 nrCastlingRights = 0;
5846 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5848 case VariantCourier:
5849 pieces = CourierArray;
5850 gameInfo.boardWidth = 12;
5851 nrCastlingRights = 0;
5852 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5854 case VariantKnightmate:
5855 pieces = KnightmateArray;
5856 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5858 case VariantSpartan:
5859 pieces = SpartanArray;
5860 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5863 pieces = fairyArray;
5864 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5867 pieces = GreatArray;
5868 gameInfo.boardWidth = 10;
5869 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5870 gameInfo.holdingsSize = 8;
5874 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5875 gameInfo.holdingsSize = 8;
5876 startedFromSetupPosition = TRUE;
5878 case VariantCrazyhouse:
5879 case VariantBughouse:
5881 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5882 gameInfo.holdingsSize = 5;
5884 case VariantWildCastle:
5886 /* !!?shuffle with kings guaranteed to be on d or e file */
5887 shuffleOpenings = 1;
5889 case VariantNoCastle:
5891 nrCastlingRights = 0;
5892 /* !!?unconstrained back-rank shuffle */
5893 shuffleOpenings = 1;
5898 if(appData.NrFiles >= 0) {
5899 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5900 gameInfo.boardWidth = appData.NrFiles;
5902 if(appData.NrRanks >= 0) {
5903 gameInfo.boardHeight = appData.NrRanks;
5905 if(appData.holdingsSize >= 0) {
5906 i = appData.holdingsSize;
5907 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5908 gameInfo.holdingsSize = i;
5910 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5911 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5912 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5914 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5915 if(pawnRow < 1) pawnRow = 1;
5916 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5918 /* User pieceToChar list overrules defaults */
5919 if(appData.pieceToCharTable != NULL)
5920 SetCharTable(pieceToChar, appData.pieceToCharTable);
5922 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5924 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5925 s = (ChessSquare) 0; /* account holding counts in guard band */
5926 for( i=0; i<BOARD_HEIGHT; i++ )
5927 initialPosition[i][j] = s;
5929 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5930 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5931 initialPosition[pawnRow][j] = WhitePawn;
5932 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5933 if(gameInfo.variant == VariantXiangqi) {
5935 initialPosition[pawnRow][j] =
5936 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5937 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5938 initialPosition[2][j] = WhiteCannon;
5939 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5943 if(gameInfo.variant == VariantGrand) {
5944 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5945 initialPosition[0][j] = WhiteRook;
5946 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5949 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5951 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5954 initialPosition[1][j] = WhiteBishop;
5955 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5957 initialPosition[1][j] = WhiteRook;
5958 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5961 if( nrCastlingRights == -1) {
5962 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5963 /* This sets default castling rights from none to normal corners */
5964 /* Variants with other castling rights must set them themselves above */
5965 nrCastlingRights = 6;
5967 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5968 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5969 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5970 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5971 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5972 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5975 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5976 if(gameInfo.variant == VariantGreat) { // promotion commoners
5977 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5978 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5979 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5980 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5982 if( gameInfo.variant == VariantSChess ) {
5983 initialPosition[1][0] = BlackMarshall;
5984 initialPosition[2][0] = BlackAngel;
5985 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5986 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5987 initialPosition[1][1] = initialPosition[2][1] =
5988 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5990 if (appData.debugMode) {
5991 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5993 if(shuffleOpenings) {
5994 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5995 startedFromSetupPosition = TRUE;
5997 if(startedFromPositionFile) {
5998 /* [HGM] loadPos: use PositionFile for every new game */
5999 CopyBoard(initialPosition, filePosition);
6000 for(i=0; i<nrCastlingRights; i++)
6001 initialRights[i] = filePosition[CASTLING][i];
6002 startedFromSetupPosition = TRUE;
6005 CopyBoard(boards[0], initialPosition);
6007 if(oldx != gameInfo.boardWidth ||
6008 oldy != gameInfo.boardHeight ||
6009 oldv != gameInfo.variant ||
6010 oldh != gameInfo.holdingsWidth
6012 InitDrawingSizes(-2 ,0);
6014 oldv = gameInfo.variant;
6016 DrawPosition(TRUE, boards[currentMove]);
6020 SendBoard(cps, moveNum)
6021 ChessProgramState *cps;
6024 char message[MSG_SIZ];
6026 if (cps->useSetboard) {
6027 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6028 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6029 SendToProgram(message, cps);
6035 /* Kludge to set black to move, avoiding the troublesome and now
6036 * deprecated "black" command.
6038 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6039 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6041 SendToProgram("edit\n", cps);
6042 SendToProgram("#\n", cps);
6043 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6044 bp = &boards[moveNum][i][BOARD_LEFT];
6045 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6046 if ((int) *bp < (int) BlackPawn) {
6047 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6049 if(message[0] == '+' || message[0] == '~') {
6050 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6051 PieceToChar((ChessSquare)(DEMOTED *bp)),
6054 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6055 message[1] = BOARD_RGHT - 1 - j + '1';
6056 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6058 SendToProgram(message, cps);
6063 SendToProgram("c\n", cps);
6064 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6065 bp = &boards[moveNum][i][BOARD_LEFT];
6066 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6067 if (((int) *bp != (int) EmptySquare)
6068 && ((int) *bp >= (int) BlackPawn)) {
6069 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6071 if(message[0] == '+' || message[0] == '~') {
6072 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6073 PieceToChar((ChessSquare)(DEMOTED *bp)),
6076 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6077 message[1] = BOARD_RGHT - 1 - j + '1';
6078 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6080 SendToProgram(message, cps);
6085 SendToProgram(".\n", cps);
6087 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6091 DefaultPromoChoice(int white)
6094 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6095 result = WhiteFerz; // no choice
6096 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6097 result= WhiteKing; // in Suicide Q is the last thing we want
6098 else if(gameInfo.variant == VariantSpartan)
6099 result = white ? WhiteQueen : WhiteAngel;
6100 else result = WhiteQueen;
6101 if(!white) result = WHITE_TO_BLACK result;
6105 static int autoQueen; // [HGM] oneclick
6108 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6110 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6111 /* [HGM] add Shogi promotions */
6112 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6117 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6118 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6120 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6121 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6124 piece = boards[currentMove][fromY][fromX];
6125 if(gameInfo.variant == VariantShogi) {
6126 promotionZoneSize = BOARD_HEIGHT/3;
6127 highestPromotingPiece = (int)WhiteFerz;
6128 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6129 promotionZoneSize = 3;
6132 // Treat Lance as Pawn when it is not representing Amazon
6133 if(gameInfo.variant != VariantSuper) {
6134 if(piece == WhiteLance) piece = WhitePawn; else
6135 if(piece == BlackLance) piece = BlackPawn;
6138 // next weed out all moves that do not touch the promotion zone at all
6139 if((int)piece >= BlackPawn) {
6140 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6142 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6144 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6145 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6148 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6150 // weed out mandatory Shogi promotions
6151 if(gameInfo.variant == VariantShogi) {
6152 if(piece >= BlackPawn) {
6153 if(toY == 0 && piece == BlackPawn ||
6154 toY == 0 && piece == BlackQueen ||
6155 toY <= 1 && piece == BlackKnight) {
6160 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6161 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6162 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6169 // weed out obviously illegal Pawn moves
6170 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6171 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6172 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6173 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6174 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6175 // note we are not allowed to test for valid (non-)capture, due to premove
6178 // we either have a choice what to promote to, or (in Shogi) whether to promote
6179 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6180 *promoChoice = PieceToChar(BlackFerz); // no choice
6183 // no sense asking what we must promote to if it is going to explode...
6184 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6185 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6188 // give caller the default choice even if we will not make it
6189 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6190 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6191 if( sweepSelect && gameInfo.variant != VariantGreat
6192 && gameInfo.variant != VariantGrand
6193 && gameInfo.variant != VariantSuper) return FALSE;
6194 if(autoQueen) return FALSE; // predetermined
6196 // suppress promotion popup on illegal moves that are not premoves
6197 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6198 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6199 if(appData.testLegality && !premove) {
6200 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6201 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6202 if(moveType != WhitePromotion && moveType != BlackPromotion)
6210 InPalace(row, column)
6212 { /* [HGM] for Xiangqi */
6213 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6214 column < (BOARD_WIDTH + 4)/2 &&
6215 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6220 PieceForSquare (x, y)
6224 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6227 return boards[currentMove][y][x];
6231 OKToStartUserMove(x, y)
6234 ChessSquare from_piece;
6237 if (matchMode) return FALSE;
6238 if (gameMode == EditPosition) return TRUE;
6240 if (x >= 0 && y >= 0)
6241 from_piece = boards[currentMove][y][x];
6243 from_piece = EmptySquare;
6245 if (from_piece == EmptySquare) return FALSE;
6247 white_piece = (int)from_piece >= (int)WhitePawn &&
6248 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6252 case TwoMachinesPlay:
6260 case MachinePlaysWhite:
6261 case IcsPlayingBlack:
6262 if (appData.zippyPlay) return FALSE;
6264 DisplayMoveError(_("You are playing Black"));
6269 case MachinePlaysBlack:
6270 case IcsPlayingWhite:
6271 if (appData.zippyPlay) return FALSE;
6273 DisplayMoveError(_("You are playing White"));
6278 case PlayFromGameFile:
6279 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
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"));
6289 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6290 /* Editing correspondence game history */
6291 /* Could disallow this or prompt for confirmation */
6296 case BeginningOfGame:
6297 if (appData.icsActive) return FALSE;
6298 if (!appData.noChessProgram) {
6300 DisplayMoveError(_("You are playing White"));
6307 if (!white_piece && WhiteOnMove(currentMove)) {
6308 DisplayMoveError(_("It is White's turn"));
6311 if (white_piece && !WhiteOnMove(currentMove)) {
6312 DisplayMoveError(_("It is Black's turn"));
6321 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6322 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6323 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6324 && gameMode != AnalyzeFile && gameMode != Training) {
6325 DisplayMoveError(_("Displayed position is not current"));
6332 OnlyMove(int *x, int *y, Boolean captures) {
6333 DisambiguateClosure cl;
6334 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6336 case MachinePlaysBlack:
6337 case IcsPlayingWhite:
6338 case BeginningOfGame:
6339 if(!WhiteOnMove(currentMove)) return FALSE;
6341 case MachinePlaysWhite:
6342 case IcsPlayingBlack:
6343 if(WhiteOnMove(currentMove)) return FALSE;
6350 cl.pieceIn = EmptySquare;
6355 cl.promoCharIn = NULLCHAR;
6356 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6357 if( cl.kind == NormalMove ||
6358 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6359 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6360 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6367 if(cl.kind != ImpossibleMove) return FALSE;
6368 cl.pieceIn = EmptySquare;
6373 cl.promoCharIn = NULLCHAR;
6374 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6375 if( cl.kind == NormalMove ||
6376 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6377 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6378 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6383 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6389 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6390 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6391 int lastLoadGameUseList = FALSE;
6392 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6393 ChessMove lastLoadGameStart = EndOfFile;
6396 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6397 int fromX, fromY, toX, toY;
6401 ChessSquare pdown, pup;
6403 /* Check if the user is playing in turn. This is complicated because we
6404 let the user "pick up" a piece before it is his turn. So the piece he
6405 tried to pick up may have been captured by the time he puts it down!
6406 Therefore we use the color the user is supposed to be playing in this
6407 test, not the color of the piece that is currently on the starting
6408 square---except in EditGame mode, where the user is playing both
6409 sides; fortunately there the capture race can't happen. (It can
6410 now happen in IcsExamining mode, but that's just too bad. The user
6411 will get a somewhat confusing message in that case.)
6416 case TwoMachinesPlay:
6420 /* We switched into a game mode where moves are not accepted,
6421 perhaps while the mouse button was down. */
6424 case MachinePlaysWhite:
6425 /* User is moving for Black */
6426 if (WhiteOnMove(currentMove)) {
6427 DisplayMoveError(_("It is White's turn"));
6432 case MachinePlaysBlack:
6433 /* User is moving for White */
6434 if (!WhiteOnMove(currentMove)) {
6435 DisplayMoveError(_("It is Black's turn"));
6440 case PlayFromGameFile:
6441 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6444 case BeginningOfGame:
6447 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6448 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6449 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6450 /* User is moving for Black */
6451 if (WhiteOnMove(currentMove)) {
6452 DisplayMoveError(_("It is White's turn"));
6456 /* User is moving for White */
6457 if (!WhiteOnMove(currentMove)) {
6458 DisplayMoveError(_("It is Black's turn"));
6464 case IcsPlayingBlack:
6465 /* User is moving for Black */
6466 if (WhiteOnMove(currentMove)) {
6467 if (!appData.premove) {
6468 DisplayMoveError(_("It is White's turn"));
6469 } else if (toX >= 0 && toY >= 0) {
6472 premoveFromX = fromX;
6473 premoveFromY = fromY;
6474 premovePromoChar = promoChar;
6476 if (appData.debugMode)
6477 fprintf(debugFP, "Got premove: fromX %d,"
6478 "fromY %d, toX %d, toY %d\n",
6479 fromX, fromY, toX, toY);
6485 case IcsPlayingWhite:
6486 /* User is moving for White */
6487 if (!WhiteOnMove(currentMove)) {
6488 if (!appData.premove) {
6489 DisplayMoveError(_("It is Black's turn"));
6490 } else if (toX >= 0 && toY >= 0) {
6493 premoveFromX = fromX;
6494 premoveFromY = fromY;
6495 premovePromoChar = promoChar;
6497 if (appData.debugMode)
6498 fprintf(debugFP, "Got premove: fromX %d,"
6499 "fromY %d, toX %d, toY %d\n",
6500 fromX, fromY, toX, toY);
6510 /* EditPosition, empty square, or different color piece;
6511 click-click move is possible */
6512 if (toX == -2 || toY == -2) {
6513 boards[0][fromY][fromX] = EmptySquare;
6514 DrawPosition(FALSE, boards[currentMove]);
6516 } else if (toX >= 0 && toY >= 0) {
6517 boards[0][toY][toX] = boards[0][fromY][fromX];
6518 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6519 if(boards[0][fromY][0] != EmptySquare) {
6520 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6521 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6524 if(fromX == BOARD_RGHT+1) {
6525 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6526 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6527 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6530 boards[0][fromY][fromX] = EmptySquare;
6531 DrawPosition(FALSE, boards[currentMove]);
6537 if(toX < 0 || toY < 0) return;
6538 pdown = boards[currentMove][fromY][fromX];
6539 pup = boards[currentMove][toY][toX];
6541 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6542 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6543 if( pup != EmptySquare ) return;
6544 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6545 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6546 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6547 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6548 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6549 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6550 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6554 /* [HGM] always test for legality, to get promotion info */
6555 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6556 fromY, fromX, toY, toX, promoChar);
6558 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6560 /* [HGM] but possibly ignore an IllegalMove result */
6561 if (appData.testLegality) {
6562 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6563 DisplayMoveError(_("Illegal move"));
6568 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6571 /* Common tail of UserMoveEvent and DropMenuEvent */
6573 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6575 int fromX, fromY, toX, toY;
6576 /*char*/int promoChar;
6580 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6581 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6582 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6583 if(WhiteOnMove(currentMove)) {
6584 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6586 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6590 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6591 move type in caller when we know the move is a legal promotion */
6592 if(moveType == NormalMove && promoChar)
6593 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6595 /* [HGM] <popupFix> The following if has been moved here from
6596 UserMoveEvent(). Because it seemed to belong here (why not allow
6597 piece drops in training games?), and because it can only be
6598 performed after it is known to what we promote. */
6599 if (gameMode == Training) {
6600 /* compare the move played on the board to the next move in the
6601 * game. If they match, display the move and the opponent's response.
6602 * If they don't match, display an error message.
6606 CopyBoard(testBoard, boards[currentMove]);
6607 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6609 if (CompareBoards(testBoard, boards[currentMove+1])) {
6610 ForwardInner(currentMove+1);
6612 /* Autoplay the opponent's response.
6613 * if appData.animate was TRUE when Training mode was entered,
6614 * the response will be animated.
6616 saveAnimate = appData.animate;
6617 appData.animate = animateTraining;
6618 ForwardInner(currentMove+1);
6619 appData.animate = saveAnimate;
6621 /* check for the end of the game */
6622 if (currentMove >= forwardMostMove) {
6623 gameMode = PlayFromGameFile;
6625 SetTrainingModeOff();
6626 DisplayInformation(_("End of game"));
6629 DisplayError(_("Incorrect move"), 0);
6634 /* Ok, now we know that the move is good, so we can kill
6635 the previous line in Analysis Mode */
6636 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6637 && currentMove < forwardMostMove) {
6638 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6639 else forwardMostMove = currentMove;
6642 /* If we need the chess program but it's dead, restart it */
6643 ResurrectChessProgram();
6645 /* A user move restarts a paused game*/
6649 thinkOutput[0] = NULLCHAR;
6651 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6653 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6654 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6658 if (gameMode == BeginningOfGame) {
6659 if (appData.noChessProgram) {
6660 gameMode = EditGame;
6664 gameMode = MachinePlaysBlack;
6667 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
6669 if (first.sendName) {
6670 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6671 SendToProgram(buf, &first);
6678 /* Relay move to ICS or chess engine */
6679 if (appData.icsActive) {
6680 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6681 gameMode == IcsExamining) {
6682 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6683 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6685 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6687 // also send plain move, in case ICS does not understand atomic claims
6688 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6692 if (first.sendTime && (gameMode == BeginningOfGame ||
6693 gameMode == MachinePlaysWhite ||
6694 gameMode == MachinePlaysBlack)) {
6695 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6697 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6698 // [HGM] book: if program might be playing, let it use book
6699 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6700 first.maybeThinking = TRUE;
6701 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6702 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6703 SendBoard(&first, currentMove+1);
6704 } else SendMoveToProgram(forwardMostMove-1, &first);
6705 if (currentMove == cmailOldMove + 1) {
6706 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6710 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6714 if(appData.testLegality)
6715 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6721 if (WhiteOnMove(currentMove)) {
6722 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6724 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6728 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6733 case MachinePlaysBlack:
6734 case MachinePlaysWhite:
6735 /* disable certain menu options while machine is thinking */
6736 SetMachineThinkingEnables();
6743 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6744 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6746 if(bookHit) { // [HGM] book: simulate book reply
6747 static char bookMove[MSG_SIZ]; // a bit generous?
6749 programStats.nodes = programStats.depth = programStats.time =
6750 programStats.score = programStats.got_only_move = 0;
6751 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6753 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6754 strcat(bookMove, bookHit);
6755 HandleMachineMove(bookMove, &first);
6761 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6768 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6769 Markers *m = (Markers *) closure;
6770 if(rf == fromY && ff == fromX)
6771 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6772 || kind == WhiteCapturesEnPassant
6773 || kind == BlackCapturesEnPassant);
6774 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6778 MarkTargetSquares(int clear)
6781 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6782 !appData.testLegality || gameMode == EditPosition) return;
6784 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6787 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6788 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6789 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6791 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6794 DrawPosition(TRUE, NULL);
6798 Explode(Board board, int fromX, int fromY, int toX, int toY)
6800 if(gameInfo.variant == VariantAtomic &&
6801 (board[toY][toX] != EmptySquare || // capture?
6802 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6803 board[fromY][fromX] == BlackPawn )
6805 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6811 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6813 int CanPromote(ChessSquare piece, int y)
6815 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6816 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6817 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6818 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6819 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6820 gameInfo.variant == VariantMakruk) return FALSE;
6821 return (piece == BlackPawn && y == 1 ||
6822 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6823 piece == BlackLance && y == 1 ||
6824 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6827 void LeftClick(ClickType clickType, int xPix, int yPix)
6830 Boolean saveAnimate;
6831 static int second = 0, promotionChoice = 0, clearFlag = 0;
6832 char promoChoice = NULLCHAR;
6835 if(appData.seekGraph && appData.icsActive && loggedOn &&
6836 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6837 SeekGraphClick(clickType, xPix, yPix, 0);
6841 if (clickType == Press) ErrorPopDown();
6843 x = EventToSquare(xPix, BOARD_WIDTH);
6844 y = EventToSquare(yPix, BOARD_HEIGHT);
6845 if (!flipView && y >= 0) {
6846 y = BOARD_HEIGHT - 1 - y;
6848 if (flipView && x >= 0) {
6849 x = BOARD_WIDTH - 1 - x;
6852 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6853 defaultPromoChoice = promoSweep;
6854 promoSweep = EmptySquare; // terminate sweep
6855 promoDefaultAltered = TRUE;
6856 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6859 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6860 if(clickType == Release) return; // ignore upclick of click-click destination
6861 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6862 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6863 if(gameInfo.holdingsWidth &&
6864 (WhiteOnMove(currentMove)
6865 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6866 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6867 // click in right holdings, for determining promotion piece
6868 ChessSquare p = boards[currentMove][y][x];
6869 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6870 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6871 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6872 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6877 DrawPosition(FALSE, boards[currentMove]);
6881 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6882 if(clickType == Press
6883 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6884 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6885 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6888 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6889 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6891 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6892 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6893 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6894 defaultPromoChoice = DefaultPromoChoice(side);
6897 autoQueen = appData.alwaysPromoteToQueen;
6901 gatingPiece = EmptySquare;
6902 if (clickType != Press) {
6903 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6904 DragPieceEnd(xPix, yPix); dragging = 0;
6905 DrawPosition(FALSE, NULL);
6909 fromX = x; fromY = y; toX = toY = -1;
6910 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6911 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6912 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6914 if (OKToStartUserMove(fromX, fromY)) {
6916 MarkTargetSquares(0);
6917 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6918 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6919 promoSweep = defaultPromoChoice;
6920 selectFlag = 0; lastX = xPix; lastY = yPix;
6921 Sweep(0); // Pawn that is going to promote: preview promotion piece
6922 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6924 if (appData.highlightDragging) {
6925 SetHighlights(fromX, fromY, -1, -1);
6927 } else fromX = fromY = -1;
6933 if (clickType == Press && gameMode != EditPosition) {
6938 // ignore off-board to clicks
6939 if(y < 0 || x < 0) return;
6941 /* Check if clicking again on the same color piece */
6942 fromP = boards[currentMove][fromY][fromX];
6943 toP = boards[currentMove][y][x];
6944 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6945 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6946 WhitePawn <= toP && toP <= WhiteKing &&
6947 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6948 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6949 (BlackPawn <= fromP && fromP <= BlackKing &&
6950 BlackPawn <= toP && toP <= BlackKing &&
6951 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6952 !(fromP == BlackKing && toP == BlackRook && frc))) {
6953 /* Clicked again on same color piece -- changed his mind */
6954 second = (x == fromX && y == fromY);
6955 promoDefaultAltered = FALSE;
6956 MarkTargetSquares(1);
6957 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6958 if (appData.highlightDragging) {
6959 SetHighlights(x, y, -1, -1);
6963 if (OKToStartUserMove(x, y)) {
6964 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6965 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6966 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6967 gatingPiece = boards[currentMove][fromY][fromX];
6968 else gatingPiece = EmptySquare;
6970 fromY = y; dragging = 1;
6971 MarkTargetSquares(0);
6972 DragPieceBegin(xPix, yPix, FALSE);
6973 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6974 promoSweep = defaultPromoChoice;
6975 selectFlag = 0; lastX = xPix; lastY = yPix;
6976 Sweep(0); // Pawn that is going to promote: preview promotion piece
6980 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6983 // ignore clicks on holdings
6984 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6987 if (clickType == Release && x == fromX && y == fromY) {
6988 DragPieceEnd(xPix, yPix); dragging = 0;
6990 // a deferred attempt to click-click move an empty square on top of a piece
6991 boards[currentMove][y][x] = EmptySquare;
6993 DrawPosition(FALSE, boards[currentMove]);
6994 fromX = fromY = -1; clearFlag = 0;
6997 if (appData.animateDragging) {
6998 /* Undo animation damage if any */
6999 DrawPosition(FALSE, NULL);
7002 /* Second up/down in same square; just abort move */
7005 gatingPiece = EmptySquare;
7008 ClearPremoveHighlights();
7010 /* First upclick in same square; start click-click mode */
7011 SetHighlights(x, y, -1, -1);
7018 /* we now have a different from- and (possibly off-board) to-square */
7019 /* Completed move */
7022 saveAnimate = appData.animate;
7023 MarkTargetSquares(1);
7024 if (clickType == Press) {
7025 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7026 // must be Edit Position mode with empty-square selected
7027 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7028 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7031 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7032 ChessSquare piece = boards[currentMove][fromY][fromX];
7033 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7034 promoSweep = defaultPromoChoice;
7035 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7036 selectFlag = 0; lastX = xPix; lastY = yPix;
7037 Sweep(0); // Pawn that is going to promote: preview promotion piece
7038 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7039 DrawPosition(FALSE, boards[currentMove]);
7042 /* Finish clickclick move */
7043 if (appData.animate || appData.highlightLastMove) {
7044 SetHighlights(fromX, fromY, toX, toY);
7049 /* Finish drag move */
7050 if (appData.highlightLastMove) {
7051 SetHighlights(fromX, fromY, toX, toY);
7055 DragPieceEnd(xPix, yPix); dragging = 0;
7056 /* Don't animate move and drag both */
7057 appData.animate = FALSE;
7060 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7061 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7062 ChessSquare piece = boards[currentMove][fromY][fromX];
7063 if(gameMode == EditPosition && piece != EmptySquare &&
7064 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7067 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7068 n = PieceToNumber(piece - (int)BlackPawn);
7069 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7070 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7071 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7073 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7074 n = PieceToNumber(piece);
7075 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7076 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7077 boards[currentMove][n][BOARD_WIDTH-2]++;
7079 boards[currentMove][fromY][fromX] = EmptySquare;
7083 DrawPosition(TRUE, boards[currentMove]);
7087 // off-board moves should not be highlighted
7088 if(x < 0 || y < 0) ClearHighlights();
7090 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7092 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7093 SetHighlights(fromX, fromY, toX, toY);
7094 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7095 // [HGM] super: promotion to captured piece selected from holdings
7096 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7097 promotionChoice = TRUE;
7098 // kludge follows to temporarily execute move on display, without promoting yet
7099 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7100 boards[currentMove][toY][toX] = p;
7101 DrawPosition(FALSE, boards[currentMove]);
7102 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7103 boards[currentMove][toY][toX] = q;
7104 DisplayMessage("Click in holdings to choose piece", "");
7109 int oldMove = currentMove;
7110 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7111 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7112 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7113 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7114 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7115 DrawPosition(TRUE, boards[currentMove]);
7118 appData.animate = saveAnimate;
7119 if (appData.animate || appData.animateDragging) {
7120 /* Undo animation damage if needed */
7121 DrawPosition(FALSE, NULL);
7125 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7126 { // front-end-free part taken out of PieceMenuPopup
7127 int whichMenu; int xSqr, ySqr;
7129 if(seekGraphUp) { // [HGM] seekgraph
7130 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7131 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7135 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7136 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7137 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7138 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7139 if(action == Press) {
7140 originalFlip = flipView;
7141 flipView = !flipView; // temporarily flip board to see game from partners perspective
7142 DrawPosition(TRUE, partnerBoard);
7143 DisplayMessage(partnerStatus, "");
7145 } else if(action == Release) {
7146 flipView = originalFlip;
7147 DrawPosition(TRUE, boards[currentMove]);
7153 xSqr = EventToSquare(x, BOARD_WIDTH);
7154 ySqr = EventToSquare(y, BOARD_HEIGHT);
7155 if (action == Release) {
7156 if(pieceSweep != EmptySquare) {
7157 EditPositionMenuEvent(pieceSweep, toX, toY);
7158 pieceSweep = EmptySquare;
7159 } else UnLoadPV(); // [HGM] pv
7161 if (action != Press) return -2; // return code to be ignored
7164 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7166 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7167 if (xSqr < 0 || ySqr < 0) return -1;
7168 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7169 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7170 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7171 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7175 if(!appData.icsEngineAnalyze) return -1;
7176 case IcsPlayingWhite:
7177 case IcsPlayingBlack:
7178 if(!appData.zippyPlay) goto noZip;
7181 case MachinePlaysWhite:
7182 case MachinePlaysBlack:
7183 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7184 if (!appData.dropMenu) {
7186 return 2; // flag front-end to grab mouse events
7188 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7189 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7192 if (xSqr < 0 || ySqr < 0) return -1;
7193 if (!appData.dropMenu || appData.testLegality &&
7194 gameInfo.variant != VariantBughouse &&
7195 gameInfo.variant != VariantCrazyhouse) return -1;
7196 whichMenu = 1; // drop menu
7202 if (((*fromX = xSqr) < 0) ||
7203 ((*fromY = ySqr) < 0)) {
7204 *fromX = *fromY = -1;
7208 *fromX = BOARD_WIDTH - 1 - *fromX;
7210 *fromY = BOARD_HEIGHT - 1 - *fromY;
7215 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7217 // char * hint = lastHint;
7218 FrontEndProgramStats stats;
7220 stats.which = cps == &first ? 0 : 1;
7221 stats.depth = cpstats->depth;
7222 stats.nodes = cpstats->nodes;
7223 stats.score = cpstats->score;
7224 stats.time = cpstats->time;
7225 stats.pv = cpstats->movelist;
7226 stats.hint = lastHint;
7227 stats.an_move_index = 0;
7228 stats.an_move_count = 0;
7230 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7231 stats.hint = cpstats->move_name;
7232 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7233 stats.an_move_count = cpstats->nr_moves;
7236 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
7238 SetProgramStats( &stats );
7242 ClearEngineOutputPane(int which)
7244 static FrontEndProgramStats dummyStats;
7245 dummyStats.which = which;
7246 dummyStats.pv = "#";
7247 SetProgramStats( &dummyStats );
7250 #define MAXPLAYERS 500
7253 TourneyStandings(int display)
7255 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7256 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7257 char result, *p, *names[MAXPLAYERS];
7259 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7260 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7261 names[0] = p = strdup(appData.participants);
7262 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7264 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7266 while(result = appData.results[nr]) {
7267 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7268 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7269 wScore = bScore = 0;
7271 case '+': wScore = 2; break;
7272 case '-': bScore = 2; break;
7273 case '=': wScore = bScore = 1; break;
7275 case '*': return strdup("busy"); // tourney not finished
7283 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7284 for(w=0; w<nPlayers; w++) {
7286 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7287 ranking[w] = b; points[w] = bScore; score[b] = -2;
7289 p = malloc(nPlayers*34+1);
7290 for(w=0; w<nPlayers && w<display; w++)
7291 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7297 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7298 { // count all piece types
7300 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7301 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7302 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7305 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7306 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7307 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7308 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7309 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7310 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7315 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7317 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7318 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7320 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7321 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7322 if(myPawns == 2 && nMine == 3) // KPP
7323 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7324 if(myPawns == 1 && nMine == 2) // KP
7325 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7326 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7327 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7328 if(myPawns) return FALSE;
7329 if(pCnt[WhiteRook+side])
7330 return pCnt[BlackRook-side] ||
7331 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7332 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7333 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7334 if(pCnt[WhiteCannon+side]) {
7335 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7336 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7338 if(pCnt[WhiteKnight+side])
7339 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7344 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7346 VariantClass v = gameInfo.variant;
7348 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7349 if(v == VariantShatranj) return TRUE; // always winnable through baring
7350 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7351 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7353 if(v == VariantXiangqi) {
7354 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7356 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7357 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7358 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7359 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7360 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7361 if(stale) // we have at least one last-rank P plus perhaps C
7362 return majors // KPKX
7363 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7365 return pCnt[WhiteFerz+side] // KCAK
7366 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7367 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7368 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7370 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7371 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7373 if(nMine == 1) return FALSE; // bare King
7374 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
7375 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7376 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7377 // by now we have King + 1 piece (or multiple Bishops on the same color)
7378 if(pCnt[WhiteKnight+side])
7379 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7380 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7381 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7383 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7384 if(pCnt[WhiteAlfil+side])
7385 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7386 if(pCnt[WhiteWazir+side])
7387 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7394 CompareWithRights(Board b1, Board b2)
7397 if(!CompareBoards(b1, b2)) return FALSE;
7398 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7399 /* compare castling rights */
7400 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7401 rights++; /* King lost rights, while rook still had them */
7402 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7403 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7404 rights++; /* but at least one rook lost them */
7406 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7408 if( b1[CASTLING][5] != NoRights ) {
7409 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7416 Adjudicate(ChessProgramState *cps)
7417 { // [HGM] some adjudications useful with buggy engines
7418 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7419 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7420 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7421 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7422 int k, count = 0; static int bare = 1;
7423 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7424 Boolean canAdjudicate = !appData.icsActive;
7426 // most tests only when we understand the game, i.e. legality-checking on
7427 if( appData.testLegality )
7428 { /* [HGM] Some more adjudications for obstinate engines */
7429 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7430 static int moveCount = 6;
7432 char *reason = NULL;
7434 /* Count what is on board. */
7435 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7437 /* Some material-based adjudications that have to be made before stalemate test */
7438 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7439 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7440 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7441 if(canAdjudicate && appData.checkMates) {
7443 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7444 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7445 "Xboard adjudication: King destroyed", GE_XBOARD );
7450 /* Bare King in Shatranj (loses) or Losers (wins) */
7451 if( nrW == 1 || nrB == 1) {
7452 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7453 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7454 if(canAdjudicate && appData.checkMates) {
7456 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7457 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7458 "Xboard adjudication: Bare king", GE_XBOARD );
7462 if( gameInfo.variant == VariantShatranj && --bare < 0)
7464 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7465 if(canAdjudicate && appData.checkMates) {
7466 /* but only adjudicate if adjudication enabled */
7468 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7469 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7470 "Xboard adjudication: Bare king", GE_XBOARD );
7477 // don't wait for engine to announce game end if we can judge ourselves
7478 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7480 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7481 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7482 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7483 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7486 reason = "Xboard adjudication: 3rd check";
7487 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7497 reason = "Xboard adjudication: Stalemate";
7498 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7499 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7500 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7501 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7502 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7503 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7504 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7505 EP_CHECKMATE : EP_WINS);
7506 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7507 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7511 reason = "Xboard adjudication: Checkmate";
7512 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7516 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7518 result = GameIsDrawn; break;
7520 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7522 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7526 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7528 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7529 GameEnds( result, reason, GE_XBOARD );
7533 /* Next absolutely insufficient mating material. */
7534 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7535 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7536 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7538 /* always flag draws, for judging claims */
7539 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7541 if(canAdjudicate && appData.materialDraws) {
7542 /* but only adjudicate them if adjudication enabled */
7543 if(engineOpponent) {
7544 SendToProgram("force\n", engineOpponent); // suppress reply
7545 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7547 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7552 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7553 if(gameInfo.variant == VariantXiangqi ?
7554 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7556 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7557 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7558 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7559 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7561 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7562 { /* if the first 3 moves do not show a tactical win, declare draw */
7563 if(engineOpponent) {
7564 SendToProgram("force\n", engineOpponent); // suppress reply
7565 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7567 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7570 } else moveCount = 6;
7572 if (appData.debugMode) { int i;
7573 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7574 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7575 appData.drawRepeats);
7576 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7577 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7581 // Repetition draws and 50-move rule can be applied independently of legality testing
7583 /* Check for rep-draws */
7585 for(k = forwardMostMove-2;
7586 k>=backwardMostMove && k>=forwardMostMove-100 &&
7587 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7588 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7591 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7592 /* compare castling rights */
7593 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7594 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7595 rights++; /* King lost rights, while rook still had them */
7596 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7597 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7598 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7599 rights++; /* but at least one rook lost them */
7601 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7602 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7604 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7605 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7606 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7609 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7610 && appData.drawRepeats > 1) {
7611 /* adjudicate after user-specified nr of repeats */
7612 int result = GameIsDrawn;
7613 char *details = "XBoard adjudication: repetition draw";
7614 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7615 // [HGM] xiangqi: check for forbidden perpetuals
7616 int m, ourPerpetual = 1, hisPerpetual = 1;
7617 for(m=forwardMostMove; m>k; m-=2) {
7618 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7619 ourPerpetual = 0; // the current mover did not always check
7620 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7621 hisPerpetual = 0; // the opponent did not always check
7623 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7624 ourPerpetual, hisPerpetual);
7625 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7626 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7627 details = "Xboard adjudication: perpetual checking";
7629 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7630 break; // (or we would have caught him before). Abort repetition-checking loop.
7632 // Now check for perpetual chases
7633 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7634 hisPerpetual = PerpetualChase(k, forwardMostMove);
7635 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7636 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7637 static char resdet[MSG_SIZ];
7638 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7640 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7642 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7643 break; // Abort repetition-checking loop.
7645 // if neither of us is checking or chasing all the time, or both are, it is draw
7647 if(engineOpponent) {
7648 SendToProgram("force\n", engineOpponent); // suppress reply
7649 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7651 GameEnds( result, details, GE_XBOARD );
7654 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7655 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7659 /* Now we test for 50-move draws. Determine ply count */
7660 count = forwardMostMove;
7661 /* look for last irreversble move */
7662 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7664 /* if we hit starting position, add initial plies */
7665 if( count == backwardMostMove )
7666 count -= initialRulePlies;
7667 count = forwardMostMove - count;
7668 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7669 // adjust reversible move counter for checks in Xiangqi
7670 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7671 if(i < backwardMostMove) i = backwardMostMove;
7672 while(i <= forwardMostMove) {
7673 lastCheck = inCheck; // check evasion does not count
7674 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7675 if(inCheck || lastCheck) count--; // check does not count
7680 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7681 /* this is used to judge if draw claims are legal */
7682 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7683 if(engineOpponent) {
7684 SendToProgram("force\n", engineOpponent); // suppress reply
7685 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7687 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7691 /* if draw offer is pending, treat it as a draw claim
7692 * when draw condition present, to allow engines a way to
7693 * claim draws before making their move to avoid a race
7694 * condition occurring after their move
7696 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7698 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7699 p = "Draw claim: 50-move rule";
7700 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7701 p = "Draw claim: 3-fold repetition";
7702 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7703 p = "Draw claim: insufficient mating material";
7704 if( p != NULL && canAdjudicate) {
7705 if(engineOpponent) {
7706 SendToProgram("force\n", engineOpponent); // suppress reply
7707 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7709 GameEnds( GameIsDrawn, p, GE_XBOARD );
7714 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7715 if(engineOpponent) {
7716 SendToProgram("force\n", engineOpponent); // suppress reply
7717 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7719 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7725 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7726 { // [HGM] book: this routine intercepts moves to simulate book replies
7727 char *bookHit = NULL;
7729 //first determine if the incoming move brings opponent into his book
7730 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7731 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7732 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7733 if(bookHit != NULL && !cps->bookSuspend) {
7734 // make sure opponent is not going to reply after receiving move to book position
7735 SendToProgram("force\n", cps);
7736 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7738 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7739 // now arrange restart after book miss
7741 // after a book hit we never send 'go', and the code after the call to this routine
7742 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7743 char buf[MSG_SIZ], *move = bookHit;
7745 int fromX, fromY, toX, toY;
7749 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7750 &fromX, &fromY, &toX, &toY, &promoChar)) {
7751 (void) CoordsToAlgebraic(boards[forwardMostMove],
7752 PosFlags(forwardMostMove),
7753 fromY, fromX, toY, toX, promoChar, move);
7755 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7759 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7760 SendToProgram(buf, cps);
7761 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7762 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7763 SendToProgram("go\n", cps);
7764 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7765 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7766 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7767 SendToProgram("go\n", cps);
7768 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7770 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7774 ChessProgramState *savedState;
7775 void DeferredBookMove(void)
7777 if(savedState->lastPing != savedState->lastPong)
7778 ScheduleDelayedEvent(DeferredBookMove, 10);
7780 HandleMachineMove(savedMessage, savedState);
7783 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7786 HandleMachineMove(message, cps)
7788 ChessProgramState *cps;
7790 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7791 char realname[MSG_SIZ];
7792 int fromX, fromY, toX, toY;
7799 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7800 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7801 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7802 DisplayError(_("Invalid pairing from pairing engine"), 0);
7805 pairingReceived = 1;
7807 return; // Skim the pairing messages here.
7812 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7814 * Kludge to ignore BEL characters
7816 while (*message == '\007') message++;
7819 * [HGM] engine debug message: ignore lines starting with '#' character
7821 if(cps->debug && *message == '#') return;
7824 * Look for book output
7826 if (cps == &first && bookRequested) {
7827 if (message[0] == '\t' || message[0] == ' ') {
7828 /* Part of the book output is here; append it */
7829 strcat(bookOutput, message);
7830 strcat(bookOutput, " \n");
7832 } else if (bookOutput[0] != NULLCHAR) {
7833 /* All of book output has arrived; display it */
7834 char *p = bookOutput;
7835 while (*p != NULLCHAR) {
7836 if (*p == '\t') *p = ' ';
7839 DisplayInformation(bookOutput);
7840 bookRequested = FALSE;
7841 /* Fall through to parse the current output */
7846 * Look for machine move.
7848 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7849 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7851 /* This method is only useful on engines that support ping */
7852 if (cps->lastPing != cps->lastPong) {
7853 if (gameMode == BeginningOfGame) {
7854 /* Extra move from before last new; ignore */
7855 if (appData.debugMode) {
7856 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7859 if (appData.debugMode) {
7860 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7861 cps->which, gameMode);
7864 SendToProgram("undo\n", cps);
7870 case BeginningOfGame:
7871 /* Extra move from before last reset; ignore */
7872 if (appData.debugMode) {
7873 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7880 /* Extra move after we tried to stop. The mode test is
7881 not a reliable way of detecting this problem, but it's
7882 the best we can do on engines that don't support ping.
7884 if (appData.debugMode) {
7885 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7886 cps->which, gameMode);
7888 SendToProgram("undo\n", cps);
7891 case MachinePlaysWhite:
7892 case IcsPlayingWhite:
7893 machineWhite = TRUE;
7896 case MachinePlaysBlack:
7897 case IcsPlayingBlack:
7898 machineWhite = FALSE;
7901 case TwoMachinesPlay:
7902 machineWhite = (cps->twoMachinesColor[0] == 'w');
7905 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7906 if (appData.debugMode) {
7908 "Ignoring move out of turn by %s, gameMode %d"
7909 ", forwardMost %d\n",
7910 cps->which, gameMode, forwardMostMove);
7915 if (appData.debugMode) { int f = forwardMostMove;
7916 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7917 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7918 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7920 if(cps->alphaRank) AlphaRank(machineMove, 4);
7921 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7922 &fromX, &fromY, &toX, &toY, &promoChar)) {
7923 /* Machine move could not be parsed; ignore it. */
7924 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7925 machineMove, _(cps->which));
7926 DisplayError(buf1, 0);
7927 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7928 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7929 if (gameMode == TwoMachinesPlay) {
7930 GameEnds(machineWhite ? BlackWins : WhiteWins,
7936 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7937 /* So we have to redo legality test with true e.p. status here, */
7938 /* to make sure an illegal e.p. capture does not slip through, */
7939 /* to cause a forfeit on a justified illegal-move complaint */
7940 /* of the opponent. */
7941 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7943 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7944 fromY, fromX, toY, toX, promoChar);
7945 if (appData.debugMode) {
7947 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7948 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7949 fprintf(debugFP, "castling rights\n");
7951 if(moveType == IllegalMove) {
7952 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7953 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7954 GameEnds(machineWhite ? BlackWins : WhiteWins,
7957 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7958 /* [HGM] Kludge to handle engines that send FRC-style castling
7959 when they shouldn't (like TSCP-Gothic) */
7961 case WhiteASideCastleFR:
7962 case BlackASideCastleFR:
7964 currentMoveString[2]++;
7966 case WhiteHSideCastleFR:
7967 case BlackHSideCastleFR:
7969 currentMoveString[2]--;
7971 default: ; // nothing to do, but suppresses warning of pedantic compilers
7974 hintRequested = FALSE;
7975 lastHint[0] = NULLCHAR;
7976 bookRequested = FALSE;
7977 /* Program may be pondering now */
7978 cps->maybeThinking = TRUE;
7979 if (cps->sendTime == 2) cps->sendTime = 1;
7980 if (cps->offeredDraw) cps->offeredDraw--;
7982 /* [AS] Save move info*/
7983 pvInfoList[ forwardMostMove ].score = programStats.score;
7984 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7985 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7987 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7989 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7990 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7993 while( count < adjudicateLossPlies ) {
7994 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7997 score = -score; /* Flip score for winning side */
8000 if( score > adjudicateLossThreshold ) {
8007 if( count >= adjudicateLossPlies ) {
8008 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8010 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8011 "Xboard adjudication",
8018 if(Adjudicate(cps)) {
8019 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8020 return; // [HGM] adjudicate: for all automatic game ends
8024 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8026 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8027 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8029 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8031 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8033 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8034 char buf[3*MSG_SIZ];
8036 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8037 programStats.score / 100.,
8039 programStats.time / 100.,
8040 (unsigned int)programStats.nodes,
8041 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8042 programStats.movelist);
8044 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8049 /* [AS] Clear stats for next move */
8050 ClearProgramStats();
8051 thinkOutput[0] = NULLCHAR;
8052 hiddenThinkOutputState = 0;
8055 if (gameMode == TwoMachinesPlay) {
8056 /* [HGM] relaying draw offers moved to after reception of move */
8057 /* and interpreting offer as claim if it brings draw condition */
8058 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8059 SendToProgram("draw\n", cps->other);
8061 if (cps->other->sendTime) {
8062 SendTimeRemaining(cps->other,
8063 cps->other->twoMachinesColor[0] == 'w');
8065 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8066 if (firstMove && !bookHit) {
8068 if (cps->other->useColors) {
8069 SendToProgram(cps->other->twoMachinesColor, cps->other);
8071 SendToProgram("go\n", cps->other);
8073 cps->other->maybeThinking = TRUE;
8076 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8078 if (!pausing && appData.ringBellAfterMoves) {
8083 * Reenable menu items that were disabled while
8084 * machine was thinking
8086 if (gameMode != TwoMachinesPlay)
8087 SetUserThinkingEnables();
8089 // [HGM] book: after book hit opponent has received move and is now in force mode
8090 // force the book reply into it, and then fake that it outputted this move by jumping
8091 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8093 static char bookMove[MSG_SIZ]; // a bit generous?
8095 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8096 strcat(bookMove, bookHit);
8099 programStats.nodes = programStats.depth = programStats.time =
8100 programStats.score = programStats.got_only_move = 0;
8101 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8103 if(cps->lastPing != cps->lastPong) {
8104 savedMessage = message; // args for deferred call
8106 ScheduleDelayedEvent(DeferredBookMove, 10);
8115 /* Set special modes for chess engines. Later something general
8116 * could be added here; for now there is just one kludge feature,
8117 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8118 * when "xboard" is given as an interactive command.
8120 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8121 cps->useSigint = FALSE;
8122 cps->useSigterm = FALSE;
8124 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8125 ParseFeatures(message+8, cps);
8126 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8129 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8130 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8131 int dummy, s=6; char buf[MSG_SIZ];
8132 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8133 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8134 if(startedFromSetupPosition) return;
8135 ParseFEN(boards[0], &dummy, message+s);
8136 DrawPosition(TRUE, boards[0]);
8137 startedFromSetupPosition = TRUE;
8140 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8141 * want this, I was asked to put it in, and obliged.
8143 if (!strncmp(message, "setboard ", 9)) {
8144 Board initial_position;
8146 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8148 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8149 DisplayError(_("Bad FEN received from engine"), 0);
8153 CopyBoard(boards[0], initial_position);
8154 initialRulePlies = FENrulePlies;
8155 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8156 else gameMode = MachinePlaysBlack;
8157 DrawPosition(FALSE, boards[currentMove]);
8163 * Look for communication commands
8165 if (!strncmp(message, "telluser ", 9)) {
8166 if(message[9] == '\\' && message[10] == '\\')
8167 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8169 DisplayNote(message + 9);
8172 if (!strncmp(message, "tellusererror ", 14)) {
8174 if(message[14] == '\\' && message[15] == '\\')
8175 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8177 DisplayError(message + 14, 0);
8180 if (!strncmp(message, "tellopponent ", 13)) {
8181 if (appData.icsActive) {
8183 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8187 DisplayNote(message + 13);
8191 if (!strncmp(message, "tellothers ", 11)) {
8192 if (appData.icsActive) {
8194 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8200 if (!strncmp(message, "tellall ", 8)) {
8201 if (appData.icsActive) {
8203 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8207 DisplayNote(message + 8);
8211 if (strncmp(message, "warning", 7) == 0) {
8212 /* Undocumented feature, use tellusererror in new code */
8213 DisplayError(message, 0);
8216 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8217 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8218 strcat(realname, " query");
8219 AskQuestion(realname, buf2, buf1, cps->pr);
8222 /* Commands from the engine directly to ICS. We don't allow these to be
8223 * sent until we are logged on. Crafty kibitzes have been known to
8224 * interfere with the login process.
8227 if (!strncmp(message, "tellics ", 8)) {
8228 SendToICS(message + 8);
8232 if (!strncmp(message, "tellicsnoalias ", 15)) {
8233 SendToICS(ics_prefix);
8234 SendToICS(message + 15);
8238 /* The following are for backward compatibility only */
8239 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8240 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8241 SendToICS(ics_prefix);
8247 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8251 * If the move is illegal, cancel it and redraw the board.
8252 * Also deal with other error cases. Matching is rather loose
8253 * here to accommodate engines written before the spec.
8255 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8256 strncmp(message, "Error", 5) == 0) {
8257 if (StrStr(message, "name") ||
8258 StrStr(message, "rating") || StrStr(message, "?") ||
8259 StrStr(message, "result") || StrStr(message, "board") ||
8260 StrStr(message, "bk") || StrStr(message, "computer") ||
8261 StrStr(message, "variant") || StrStr(message, "hint") ||
8262 StrStr(message, "random") || StrStr(message, "depth") ||
8263 StrStr(message, "accepted")) {
8266 if (StrStr(message, "protover")) {
8267 /* Program is responding to input, so it's apparently done
8268 initializing, and this error message indicates it is
8269 protocol version 1. So we don't need to wait any longer
8270 for it to initialize and send feature commands. */
8271 FeatureDone(cps, 1);
8272 cps->protocolVersion = 1;
8275 cps->maybeThinking = FALSE;
8277 if (StrStr(message, "draw")) {
8278 /* Program doesn't have "draw" command */
8279 cps->sendDrawOffers = 0;
8282 if (cps->sendTime != 1 &&
8283 (StrStr(message, "time") || StrStr(message, "otim"))) {
8284 /* Program apparently doesn't have "time" or "otim" command */
8288 if (StrStr(message, "analyze")) {
8289 cps->analysisSupport = FALSE;
8290 cps->analyzing = FALSE;
8291 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8292 EditGameEvent(); // [HGM] try to preserve loaded game
8293 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8294 DisplayError(buf2, 0);
8297 if (StrStr(message, "(no matching move)st")) {
8298 /* Special kludge for GNU Chess 4 only */
8299 cps->stKludge = TRUE;
8300 SendTimeControl(cps, movesPerSession, timeControl,
8301 timeIncrement, appData.searchDepth,
8305 if (StrStr(message, "(no matching move)sd")) {
8306 /* Special kludge for GNU Chess 4 only */
8307 cps->sdKludge = TRUE;
8308 SendTimeControl(cps, movesPerSession, timeControl,
8309 timeIncrement, appData.searchDepth,
8313 if (!StrStr(message, "llegal")) {
8316 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8317 gameMode == IcsIdle) return;
8318 if (forwardMostMove <= backwardMostMove) return;
8319 if (pausing) PauseEvent();
8320 if(appData.forceIllegal) {
8321 // [HGM] illegal: machine refused move; force position after move into it
8322 SendToProgram("force\n", cps);
8323 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8324 // we have a real problem now, as SendBoard will use the a2a3 kludge
8325 // when black is to move, while there might be nothing on a2 or black
8326 // might already have the move. So send the board as if white has the move.
8327 // But first we must change the stm of the engine, as it refused the last move
8328 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8329 if(WhiteOnMove(forwardMostMove)) {
8330 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8331 SendBoard(cps, forwardMostMove); // kludgeless board
8333 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8334 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8335 SendBoard(cps, forwardMostMove+1); // kludgeless board
8337 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8338 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8339 gameMode == TwoMachinesPlay)
8340 SendToProgram("go\n", cps);
8343 if (gameMode == PlayFromGameFile) {
8344 /* Stop reading this game file */
8345 gameMode = EditGame;
8348 /* [HGM] illegal-move claim should forfeit game when Xboard */
8349 /* only passes fully legal moves */
8350 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8351 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8352 "False illegal-move claim", GE_XBOARD );
8353 return; // do not take back move we tested as valid
8355 currentMove = forwardMostMove-1;
8356 DisplayMove(currentMove-1); /* before DisplayMoveError */
8357 SwitchClocks(forwardMostMove-1); // [HGM] race
8358 DisplayBothClocks();
8359 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8360 parseList[currentMove], _(cps->which));
8361 DisplayMoveError(buf1);
8362 DrawPosition(FALSE, boards[currentMove]);
8365 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8366 /* Program has a broken "time" command that
8367 outputs a string not ending in newline.
8373 * If chess program startup fails, exit with an error message.
8374 * Attempts to recover here are futile.
8376 if ((StrStr(message, "unknown host") != NULL)
8377 || (StrStr(message, "No remote directory") != NULL)
8378 || (StrStr(message, "not found") != NULL)
8379 || (StrStr(message, "No such file") != NULL)
8380 || (StrStr(message, "can't alloc") != NULL)
8381 || (StrStr(message, "Permission denied") != NULL)) {
8383 cps->maybeThinking = FALSE;
8384 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8385 _(cps->which), cps->program, cps->host, message);
8386 RemoveInputSource(cps->isr);
8387 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8388 if(cps == &first) appData.noChessProgram = TRUE;
8389 DisplayError(buf1, 0);
8395 * Look for hint output
8397 if (sscanf(message, "Hint: %s", buf1) == 1) {
8398 if (cps == &first && hintRequested) {
8399 hintRequested = FALSE;
8400 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8401 &fromX, &fromY, &toX, &toY, &promoChar)) {
8402 (void) CoordsToAlgebraic(boards[forwardMostMove],
8403 PosFlags(forwardMostMove),
8404 fromY, fromX, toY, toX, promoChar, buf1);
8405 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8406 DisplayInformation(buf2);
8408 /* Hint move could not be parsed!? */
8409 snprintf(buf2, sizeof(buf2),
8410 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8411 buf1, _(cps->which));
8412 DisplayError(buf2, 0);
8415 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8421 * Ignore other messages if game is not in progress
8423 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8424 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8427 * look for win, lose, draw, or draw offer
8429 if (strncmp(message, "1-0", 3) == 0) {
8430 char *p, *q, *r = "";
8431 p = strchr(message, '{');
8439 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8441 } else if (strncmp(message, "0-1", 3) == 0) {
8442 char *p, *q, *r = "";
8443 p = strchr(message, '{');
8451 /* Kludge for Arasan 4.1 bug */
8452 if (strcmp(r, "Black resigns") == 0) {
8453 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8456 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8458 } else if (strncmp(message, "1/2", 3) == 0) {
8459 char *p, *q, *r = "";
8460 p = strchr(message, '{');
8469 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8472 } else if (strncmp(message, "White resign", 12) == 0) {
8473 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8475 } else if (strncmp(message, "Black resign", 12) == 0) {
8476 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8478 } else if (strncmp(message, "White matches", 13) == 0 ||
8479 strncmp(message, "Black matches", 13) == 0 ) {
8480 /* [HGM] ignore GNUShogi noises */
8482 } else if (strncmp(message, "White", 5) == 0 &&
8483 message[5] != '(' &&
8484 StrStr(message, "Black") == NULL) {
8485 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8487 } else if (strncmp(message, "Black", 5) == 0 &&
8488 message[5] != '(') {
8489 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8491 } else if (strcmp(message, "resign") == 0 ||
8492 strcmp(message, "computer resigns") == 0) {
8494 case MachinePlaysBlack:
8495 case IcsPlayingBlack:
8496 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8498 case MachinePlaysWhite:
8499 case IcsPlayingWhite:
8500 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8502 case TwoMachinesPlay:
8503 if (cps->twoMachinesColor[0] == 'w')
8504 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8506 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8513 } else if (strncmp(message, "opponent mates", 14) == 0) {
8515 case MachinePlaysBlack:
8516 case IcsPlayingBlack:
8517 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8519 case MachinePlaysWhite:
8520 case IcsPlayingWhite:
8521 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8523 case TwoMachinesPlay:
8524 if (cps->twoMachinesColor[0] == 'w')
8525 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8527 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8534 } else if (strncmp(message, "computer mates", 14) == 0) {
8536 case MachinePlaysBlack:
8537 case IcsPlayingBlack:
8538 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8540 case MachinePlaysWhite:
8541 case IcsPlayingWhite:
8542 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8544 case TwoMachinesPlay:
8545 if (cps->twoMachinesColor[0] == 'w')
8546 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8548 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8555 } else if (strncmp(message, "checkmate", 9) == 0) {
8556 if (WhiteOnMove(forwardMostMove)) {
8557 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8559 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8562 } else if (strstr(message, "Draw") != NULL ||
8563 strstr(message, "game is a draw") != NULL) {
8564 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8566 } else if (strstr(message, "offer") != NULL &&
8567 strstr(message, "draw") != NULL) {
8569 if (appData.zippyPlay && first.initDone) {
8570 /* Relay offer to ICS */
8571 SendToICS(ics_prefix);
8572 SendToICS("draw\n");
8575 cps->offeredDraw = 2; /* valid until this engine moves twice */
8576 if (gameMode == TwoMachinesPlay) {
8577 if (cps->other->offeredDraw) {
8578 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8579 /* [HGM] in two-machine mode we delay relaying draw offer */
8580 /* until after we also have move, to see if it is really claim */
8582 } else if (gameMode == MachinePlaysWhite ||
8583 gameMode == MachinePlaysBlack) {
8584 if (userOfferedDraw) {
8585 DisplayInformation(_("Machine accepts your draw offer"));
8586 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8588 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8595 * Look for thinking output
8597 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8598 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8600 int plylev, mvleft, mvtot, curscore, time;
8601 char mvname[MOVE_LEN];
8605 int prefixHint = FALSE;
8606 mvname[0] = NULLCHAR;
8609 case MachinePlaysBlack:
8610 case IcsPlayingBlack:
8611 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8613 case MachinePlaysWhite:
8614 case IcsPlayingWhite:
8615 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8620 case IcsObserving: /* [DM] icsEngineAnalyze */
8621 if (!appData.icsEngineAnalyze) ignore = TRUE;
8623 case TwoMachinesPlay:
8624 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8634 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8636 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8637 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8639 if (plyext != ' ' && plyext != '\t') {
8643 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8644 if( cps->scoreIsAbsolute &&
8645 ( gameMode == MachinePlaysBlack ||
8646 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8647 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8648 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8649 !WhiteOnMove(currentMove)
8652 curscore = -curscore;
8655 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8657 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8660 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8661 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8662 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8663 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8664 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8665 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8667 } else DisplayError(_("failed writing PV"), 0);
8670 tempStats.depth = plylev;
8671 tempStats.nodes = nodes;
8672 tempStats.time = time;
8673 tempStats.score = curscore;
8674 tempStats.got_only_move = 0;
8676 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8679 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8680 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8681 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8682 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8683 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8684 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8685 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8686 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8689 /* Buffer overflow protection */
8690 if (pv[0] != NULLCHAR) {
8691 if (strlen(pv) >= sizeof(tempStats.movelist)
8692 && appData.debugMode) {
8694 "PV is too long; using the first %u bytes.\n",
8695 (unsigned) sizeof(tempStats.movelist) - 1);
8698 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8700 sprintf(tempStats.movelist, " no PV\n");
8703 if (tempStats.seen_stat) {
8704 tempStats.ok_to_send = 1;
8707 if (strchr(tempStats.movelist, '(') != NULL) {
8708 tempStats.line_is_book = 1;
8709 tempStats.nr_moves = 0;
8710 tempStats.moves_left = 0;
8712 tempStats.line_is_book = 0;
8715 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8716 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8718 SendProgramStatsToFrontend( cps, &tempStats );
8721 [AS] Protect the thinkOutput buffer from overflow... this
8722 is only useful if buf1 hasn't overflowed first!
8724 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8726 (gameMode == TwoMachinesPlay ?
8727 ToUpper(cps->twoMachinesColor[0]) : ' '),
8728 ((double) curscore) / 100.0,
8729 prefixHint ? lastHint : "",
8730 prefixHint ? " " : "" );
8732 if( buf1[0] != NULLCHAR ) {
8733 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8735 if( strlen(pv) > max_len ) {
8736 if( appData.debugMode) {
8737 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8739 pv[max_len+1] = '\0';
8742 strcat( thinkOutput, pv);
8745 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8746 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8747 DisplayMove(currentMove - 1);
8751 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8752 /* crafty (9.25+) says "(only move) <move>"
8753 * if there is only 1 legal move
8755 sscanf(p, "(only move) %s", buf1);
8756 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8757 sprintf(programStats.movelist, "%s (only move)", buf1);
8758 programStats.depth = 1;
8759 programStats.nr_moves = 1;
8760 programStats.moves_left = 1;
8761 programStats.nodes = 1;
8762 programStats.time = 1;
8763 programStats.got_only_move = 1;
8765 /* Not really, but we also use this member to
8766 mean "line isn't going to change" (Crafty
8767 isn't searching, so stats won't change) */
8768 programStats.line_is_book = 1;
8770 SendProgramStatsToFrontend( cps, &programStats );
8772 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8773 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8774 DisplayMove(currentMove - 1);
8777 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8778 &time, &nodes, &plylev, &mvleft,
8779 &mvtot, mvname) >= 5) {
8780 /* The stat01: line is from Crafty (9.29+) in response
8781 to the "." command */
8782 programStats.seen_stat = 1;
8783 cps->maybeThinking = TRUE;
8785 if (programStats.got_only_move || !appData.periodicUpdates)
8788 programStats.depth = plylev;
8789 programStats.time = time;
8790 programStats.nodes = nodes;
8791 programStats.moves_left = mvleft;
8792 programStats.nr_moves = mvtot;
8793 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8794 programStats.ok_to_send = 1;
8795 programStats.movelist[0] = '\0';
8797 SendProgramStatsToFrontend( cps, &programStats );
8801 } else if (strncmp(message,"++",2) == 0) {
8802 /* Crafty 9.29+ outputs this */
8803 programStats.got_fail = 2;
8806 } else if (strncmp(message,"--",2) == 0) {
8807 /* Crafty 9.29+ outputs this */
8808 programStats.got_fail = 1;
8811 } else if (thinkOutput[0] != NULLCHAR &&
8812 strncmp(message, " ", 4) == 0) {
8813 unsigned message_len;
8816 while (*p && *p == ' ') p++;
8818 message_len = strlen( p );
8820 /* [AS] Avoid buffer overflow */
8821 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8822 strcat(thinkOutput, " ");
8823 strcat(thinkOutput, p);
8826 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8827 strcat(programStats.movelist, " ");
8828 strcat(programStats.movelist, p);
8831 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8832 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8833 DisplayMove(currentMove - 1);
8841 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8842 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8844 ChessProgramStats cpstats;
8846 if (plyext != ' ' && plyext != '\t') {
8850 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8851 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8852 curscore = -curscore;
8855 cpstats.depth = plylev;
8856 cpstats.nodes = nodes;
8857 cpstats.time = time;
8858 cpstats.score = curscore;
8859 cpstats.got_only_move = 0;
8860 cpstats.movelist[0] = '\0';
8862 if (buf1[0] != NULLCHAR) {
8863 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8866 cpstats.ok_to_send = 0;
8867 cpstats.line_is_book = 0;
8868 cpstats.nr_moves = 0;
8869 cpstats.moves_left = 0;
8871 SendProgramStatsToFrontend( cps, &cpstats );
8878 /* Parse a game score from the character string "game", and
8879 record it as the history of the current game. The game
8880 score is NOT assumed to start from the standard position.
8881 The display is not updated in any way.
8884 ParseGameHistory(game)
8888 int fromX, fromY, toX, toY, boardIndex;
8893 if (appData.debugMode)
8894 fprintf(debugFP, "Parsing game history: %s\n", game);
8896 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8897 gameInfo.site = StrSave(appData.icsHost);
8898 gameInfo.date = PGNDate();
8899 gameInfo.round = StrSave("-");
8901 /* Parse out names of players */
8902 while (*game == ' ') game++;
8904 while (*game != ' ') *p++ = *game++;
8906 gameInfo.white = StrSave(buf);
8907 while (*game == ' ') game++;
8909 while (*game != ' ' && *game != '\n') *p++ = *game++;
8911 gameInfo.black = StrSave(buf);
8914 boardIndex = blackPlaysFirst ? 1 : 0;
8917 yyboardindex = boardIndex;
8918 moveType = (ChessMove) Myylex();
8920 case IllegalMove: /* maybe suicide chess, etc. */
8921 if (appData.debugMode) {
8922 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8923 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8924 setbuf(debugFP, NULL);
8926 case WhitePromotion:
8927 case BlackPromotion:
8928 case WhiteNonPromotion:
8929 case BlackNonPromotion:
8931 case WhiteCapturesEnPassant:
8932 case BlackCapturesEnPassant:
8933 case WhiteKingSideCastle:
8934 case WhiteQueenSideCastle:
8935 case BlackKingSideCastle:
8936 case BlackQueenSideCastle:
8937 case WhiteKingSideCastleWild:
8938 case WhiteQueenSideCastleWild:
8939 case BlackKingSideCastleWild:
8940 case BlackQueenSideCastleWild:
8942 case WhiteHSideCastleFR:
8943 case WhiteASideCastleFR:
8944 case BlackHSideCastleFR:
8945 case BlackASideCastleFR:
8947 fromX = currentMoveString[0] - AAA;
8948 fromY = currentMoveString[1] - ONE;
8949 toX = currentMoveString[2] - AAA;
8950 toY = currentMoveString[3] - ONE;
8951 promoChar = currentMoveString[4];
8955 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8956 fromX = moveType == WhiteDrop ?
8957 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8958 (int) CharToPiece(ToLower(currentMoveString[0]));
8960 toX = currentMoveString[2] - AAA;
8961 toY = currentMoveString[3] - ONE;
8962 promoChar = NULLCHAR;
8966 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8967 if (appData.debugMode) {
8968 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8969 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8970 setbuf(debugFP, NULL);
8972 DisplayError(buf, 0);
8974 case ImpossibleMove:
8976 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8977 if (appData.debugMode) {
8978 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8979 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8980 setbuf(debugFP, NULL);
8982 DisplayError(buf, 0);
8985 if (boardIndex < backwardMostMove) {
8986 /* Oops, gap. How did that happen? */
8987 DisplayError(_("Gap in move list"), 0);
8990 backwardMostMove = blackPlaysFirst ? 1 : 0;
8991 if (boardIndex > forwardMostMove) {
8992 forwardMostMove = boardIndex;
8996 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8997 strcat(parseList[boardIndex-1], " ");
8998 strcat(parseList[boardIndex-1], yy_text);
9010 case GameUnfinished:
9011 if (gameMode == IcsExamining) {
9012 if (boardIndex < backwardMostMove) {
9013 /* Oops, gap. How did that happen? */
9016 backwardMostMove = blackPlaysFirst ? 1 : 0;
9019 gameInfo.result = moveType;
9020 p = strchr(yy_text, '{');
9021 if (p == NULL) p = strchr(yy_text, '(');
9024 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9026 q = strchr(p, *p == '{' ? '}' : ')');
9027 if (q != NULL) *q = NULLCHAR;
9030 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9031 gameInfo.resultDetails = StrSave(p);
9034 if (boardIndex >= forwardMostMove &&
9035 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9036 backwardMostMove = blackPlaysFirst ? 1 : 0;
9039 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9040 fromY, fromX, toY, toX, promoChar,
9041 parseList[boardIndex]);
9042 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9043 /* currentMoveString is set as a side-effect of yylex */
9044 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9045 strcat(moveList[boardIndex], "\n");
9047 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9048 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9054 if(gameInfo.variant != VariantShogi)
9055 strcat(parseList[boardIndex - 1], "+");
9059 strcat(parseList[boardIndex - 1], "#");
9066 /* Apply a move to the given board */
9068 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9069 int fromX, fromY, toX, toY;
9073 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9074 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9076 /* [HGM] compute & store e.p. status and castling rights for new position */
9077 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9079 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9080 oldEP = (signed char)board[EP_STATUS];
9081 board[EP_STATUS] = EP_NONE;
9083 if (fromY == DROP_RANK) {
9085 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9086 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9089 piece = board[toY][toX] = (ChessSquare) fromX;
9093 if( board[toY][toX] != EmptySquare )
9094 board[EP_STATUS] = EP_CAPTURE;
9096 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9097 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9098 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9100 if( board[fromY][fromX] == WhitePawn ) {
9101 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9102 board[EP_STATUS] = EP_PAWN_MOVE;
9104 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9105 gameInfo.variant != VariantBerolina || toX < fromX)
9106 board[EP_STATUS] = toX | berolina;
9107 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9108 gameInfo.variant != VariantBerolina || toX > fromX)
9109 board[EP_STATUS] = toX;
9112 if( board[fromY][fromX] == BlackPawn ) {
9113 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9114 board[EP_STATUS] = EP_PAWN_MOVE;
9115 if( toY-fromY== -2) {
9116 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9117 gameInfo.variant != VariantBerolina || toX < fromX)
9118 board[EP_STATUS] = toX | berolina;
9119 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9120 gameInfo.variant != VariantBerolina || toX > fromX)
9121 board[EP_STATUS] = toX;
9125 for(i=0; i<nrCastlingRights; i++) {
9126 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9127 board[CASTLING][i] == toX && castlingRank[i] == toY
9128 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9131 if (fromX == toX && fromY == toY) return;
9133 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9134 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9135 if(gameInfo.variant == VariantKnightmate)
9136 king += (int) WhiteUnicorn - (int) WhiteKing;
9138 /* Code added by Tord: */
9139 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9140 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9141 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9142 board[fromY][fromX] = EmptySquare;
9143 board[toY][toX] = EmptySquare;
9144 if((toX > fromX) != (piece == WhiteRook)) {
9145 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9147 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9149 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9150 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9151 board[fromY][fromX] = EmptySquare;
9152 board[toY][toX] = EmptySquare;
9153 if((toX > fromX) != (piece == BlackRook)) {
9154 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9156 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9158 /* End of code added by Tord */
9160 } else if (board[fromY][fromX] == king
9161 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9162 && toY == fromY && toX > fromX+1) {
9163 board[fromY][fromX] = EmptySquare;
9164 board[toY][toX] = king;
9165 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9166 board[fromY][BOARD_RGHT-1] = EmptySquare;
9167 } else if (board[fromY][fromX] == king
9168 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9169 && toY == fromY && toX < fromX-1) {
9170 board[fromY][fromX] = EmptySquare;
9171 board[toY][toX] = king;
9172 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9173 board[fromY][BOARD_LEFT] = EmptySquare;
9174 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9175 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9176 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9178 /* white pawn promotion */
9179 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9180 if(gameInfo.variant==VariantBughouse ||
9181 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9182 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9183 board[fromY][fromX] = EmptySquare;
9184 } else if ((fromY >= BOARD_HEIGHT>>1)
9186 && gameInfo.variant != VariantXiangqi
9187 && gameInfo.variant != VariantBerolina
9188 && (board[fromY][fromX] == WhitePawn)
9189 && (board[toY][toX] == EmptySquare)) {
9190 board[fromY][fromX] = EmptySquare;
9191 board[toY][toX] = WhitePawn;
9192 captured = board[toY - 1][toX];
9193 board[toY - 1][toX] = EmptySquare;
9194 } else if ((fromY == BOARD_HEIGHT-4)
9196 && gameInfo.variant == VariantBerolina
9197 && (board[fromY][fromX] == WhitePawn)
9198 && (board[toY][toX] == EmptySquare)) {
9199 board[fromY][fromX] = EmptySquare;
9200 board[toY][toX] = WhitePawn;
9201 if(oldEP & EP_BEROLIN_A) {
9202 captured = board[fromY][fromX-1];
9203 board[fromY][fromX-1] = EmptySquare;
9204 }else{ captured = board[fromY][fromX+1];
9205 board[fromY][fromX+1] = EmptySquare;
9207 } else if (board[fromY][fromX] == king
9208 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9209 && toY == fromY && toX > fromX+1) {
9210 board[fromY][fromX] = EmptySquare;
9211 board[toY][toX] = king;
9212 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9213 board[fromY][BOARD_RGHT-1] = EmptySquare;
9214 } else if (board[fromY][fromX] == king
9215 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9216 && toY == fromY && toX < fromX-1) {
9217 board[fromY][fromX] = EmptySquare;
9218 board[toY][toX] = king;
9219 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9220 board[fromY][BOARD_LEFT] = EmptySquare;
9221 } else if (fromY == 7 && fromX == 3
9222 && board[fromY][fromX] == BlackKing
9223 && toY == 7 && toX == 5) {
9224 board[fromY][fromX] = EmptySquare;
9225 board[toY][toX] = BlackKing;
9226 board[fromY][7] = EmptySquare;
9227 board[toY][4] = BlackRook;
9228 } else if (fromY == 7 && fromX == 3
9229 && board[fromY][fromX] == BlackKing
9230 && toY == 7 && toX == 1) {
9231 board[fromY][fromX] = EmptySquare;
9232 board[toY][toX] = BlackKing;
9233 board[fromY][0] = EmptySquare;
9234 board[toY][2] = BlackRook;
9235 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9236 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9237 && toY < promoRank && promoChar
9239 /* black pawn promotion */
9240 board[toY][toX] = CharToPiece(ToLower(promoChar));
9241 if(gameInfo.variant==VariantBughouse ||
9242 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9243 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9244 board[fromY][fromX] = EmptySquare;
9245 } else if ((fromY < BOARD_HEIGHT>>1)
9247 && gameInfo.variant != VariantXiangqi
9248 && gameInfo.variant != VariantBerolina
9249 && (board[fromY][fromX] == BlackPawn)
9250 && (board[toY][toX] == EmptySquare)) {
9251 board[fromY][fromX] = EmptySquare;
9252 board[toY][toX] = BlackPawn;
9253 captured = board[toY + 1][toX];
9254 board[toY + 1][toX] = EmptySquare;
9255 } else if ((fromY == 3)
9257 && gameInfo.variant == VariantBerolina
9258 && (board[fromY][fromX] == BlackPawn)
9259 && (board[toY][toX] == EmptySquare)) {
9260 board[fromY][fromX] = EmptySquare;
9261 board[toY][toX] = BlackPawn;
9262 if(oldEP & EP_BEROLIN_A) {
9263 captured = board[fromY][fromX-1];
9264 board[fromY][fromX-1] = EmptySquare;
9265 }else{ captured = board[fromY][fromX+1];
9266 board[fromY][fromX+1] = EmptySquare;
9269 board[toY][toX] = board[fromY][fromX];
9270 board[fromY][fromX] = EmptySquare;
9274 if (gameInfo.holdingsWidth != 0) {
9276 /* !!A lot more code needs to be written to support holdings */
9277 /* [HGM] OK, so I have written it. Holdings are stored in the */
9278 /* penultimate board files, so they are automaticlly stored */
9279 /* in the game history. */
9280 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9281 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9282 /* Delete from holdings, by decreasing count */
9283 /* and erasing image if necessary */
9284 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9285 if(p < (int) BlackPawn) { /* white drop */
9286 p -= (int)WhitePawn;
9287 p = PieceToNumber((ChessSquare)p);
9288 if(p >= gameInfo.holdingsSize) p = 0;
9289 if(--board[p][BOARD_WIDTH-2] <= 0)
9290 board[p][BOARD_WIDTH-1] = EmptySquare;
9291 if((int)board[p][BOARD_WIDTH-2] < 0)
9292 board[p][BOARD_WIDTH-2] = 0;
9293 } else { /* black drop */
9294 p -= (int)BlackPawn;
9295 p = PieceToNumber((ChessSquare)p);
9296 if(p >= gameInfo.holdingsSize) p = 0;
9297 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9298 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9299 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9300 board[BOARD_HEIGHT-1-p][1] = 0;
9303 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9304 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9305 /* [HGM] holdings: Add to holdings, if holdings exist */
9306 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9307 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9308 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9311 if (p >= (int) BlackPawn) {
9312 p -= (int)BlackPawn;
9313 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9314 /* in Shogi restore piece to its original first */
9315 captured = (ChessSquare) (DEMOTED captured);
9318 p = PieceToNumber((ChessSquare)p);
9319 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9320 board[p][BOARD_WIDTH-2]++;
9321 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9323 p -= (int)WhitePawn;
9324 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9325 captured = (ChessSquare) (DEMOTED captured);
9328 p = PieceToNumber((ChessSquare)p);
9329 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9330 board[BOARD_HEIGHT-1-p][1]++;
9331 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9334 } else if (gameInfo.variant == VariantAtomic) {
9335 if (captured != EmptySquare) {
9337 for (y = toY-1; y <= toY+1; y++) {
9338 for (x = toX-1; x <= toX+1; x++) {
9339 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9340 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9341 board[y][x] = EmptySquare;
9345 board[toY][toX] = EmptySquare;
9348 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9349 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9351 if(promoChar == '+') {
9352 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9353 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9354 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9355 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9357 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9358 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9359 // [HGM] superchess: take promotion piece out of holdings
9360 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9361 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9362 if(!--board[k][BOARD_WIDTH-2])
9363 board[k][BOARD_WIDTH-1] = EmptySquare;
9365 if(!--board[BOARD_HEIGHT-1-k][1])
9366 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9372 /* Updates forwardMostMove */
9374 MakeMove(fromX, fromY, toX, toY, promoChar)
9375 int fromX, fromY, toX, toY;
9378 // forwardMostMove++; // [HGM] bare: moved downstream
9380 (void) CoordsToAlgebraic(boards[forwardMostMove],
9381 PosFlags(forwardMostMove),
9382 fromY, fromX, toY, toX, promoChar,
9383 parseList[forwardMostMove]);
9385 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9386 int timeLeft; static int lastLoadFlag=0; int king, piece;
9387 piece = boards[forwardMostMove][fromY][fromX];
9388 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9389 if(gameInfo.variant == VariantKnightmate)
9390 king += (int) WhiteUnicorn - (int) WhiteKing;
9391 if(forwardMostMove == 0) {
9392 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9393 fprintf(serverMoves, "%s;", UserName());
9394 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9395 fprintf(serverMoves, "%s;", second.tidy);
9396 fprintf(serverMoves, "%s;", first.tidy);
9397 if(gameMode == MachinePlaysWhite)
9398 fprintf(serverMoves, "%s;", UserName());
9399 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9400 fprintf(serverMoves, "%s;", second.tidy);
9401 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9402 lastLoadFlag = loadFlag;
9404 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9405 // print castling suffix
9406 if( toY == fromY && piece == king ) {
9408 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9410 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9413 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9414 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9415 boards[forwardMostMove][toY][toX] == EmptySquare
9416 && fromX != toX && fromY != toY)
9417 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9419 if(promoChar != NULLCHAR)
9420 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9422 char buf[MOVE_LEN*2], *p; int len;
9423 fprintf(serverMoves, "/%d/%d",
9424 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9425 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9426 else timeLeft = blackTimeRemaining/1000;
9427 fprintf(serverMoves, "/%d", timeLeft);
9428 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9429 if(p = strchr(buf, '=')) *p = NULLCHAR;
9430 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9431 fprintf(serverMoves, "/%s", buf);
9433 fflush(serverMoves);
9436 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9437 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9440 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9441 if (commentList[forwardMostMove+1] != NULL) {
9442 free(commentList[forwardMostMove+1]);
9443 commentList[forwardMostMove+1] = NULL;
9445 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9446 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9447 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9448 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9449 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9450 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9451 adjustedClock = FALSE;
9452 gameInfo.result = GameUnfinished;
9453 if (gameInfo.resultDetails != NULL) {
9454 free(gameInfo.resultDetails);
9455 gameInfo.resultDetails = NULL;
9457 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9458 moveList[forwardMostMove - 1]);
9459 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9465 if(gameInfo.variant != VariantShogi)
9466 strcat(parseList[forwardMostMove - 1], "+");
9470 strcat(parseList[forwardMostMove - 1], "#");
9473 if (appData.debugMode) {
9474 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9479 /* Updates currentMove if not pausing */
9481 ShowMove(fromX, fromY, toX, toY)
9483 int instant = (gameMode == PlayFromGameFile) ?
9484 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9485 if(appData.noGUI) return;
9486 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9488 if (forwardMostMove == currentMove + 1) {
9489 AnimateMove(boards[forwardMostMove - 1],
9490 fromX, fromY, toX, toY);
9492 if (appData.highlightLastMove) {
9493 SetHighlights(fromX, fromY, toX, toY);
9496 currentMove = forwardMostMove;
9499 if (instant) return;
9501 DisplayMove(currentMove - 1);
9502 DrawPosition(FALSE, boards[currentMove]);
9503 DisplayBothClocks();
9504 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9507 void SendEgtPath(ChessProgramState *cps)
9508 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9509 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9511 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9514 char c, *q = name+1, *r, *s;
9516 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9517 while(*p && *p != ',') *q++ = *p++;
9519 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9520 strcmp(name, ",nalimov:") == 0 ) {
9521 // take nalimov path from the menu-changeable option first, if it is defined
9522 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9523 SendToProgram(buf,cps); // send egtbpath command for nalimov
9525 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9526 (s = StrStr(appData.egtFormats, name)) != NULL) {
9527 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9528 s = r = StrStr(s, ":") + 1; // beginning of path info
9529 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9530 c = *r; *r = 0; // temporarily null-terminate path info
9531 *--q = 0; // strip of trailig ':' from name
9532 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9534 SendToProgram(buf,cps); // send egtbpath command for this format
9536 if(*p == ',') p++; // read away comma to position for next format name
9541 InitChessProgram(cps, setup)
9542 ChessProgramState *cps;
9543 int setup; /* [HGM] needed to setup FRC opening position */
9545 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9546 if (appData.noChessProgram) return;
9547 hintRequested = FALSE;
9548 bookRequested = FALSE;
9550 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9551 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9552 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9553 if(cps->memSize) { /* [HGM] memory */
9554 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9555 SendToProgram(buf, cps);
9557 SendEgtPath(cps); /* [HGM] EGT */
9558 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9559 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9560 SendToProgram(buf, cps);
9563 SendToProgram(cps->initString, cps);
9564 if (gameInfo.variant != VariantNormal &&
9565 gameInfo.variant != VariantLoadable
9566 /* [HGM] also send variant if board size non-standard */
9567 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9569 char *v = VariantName(gameInfo.variant);
9570 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9571 /* [HGM] in protocol 1 we have to assume all variants valid */
9572 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9573 DisplayFatalError(buf, 0, 1);
9577 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9578 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9579 if( gameInfo.variant == VariantXiangqi )
9580 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9581 if( gameInfo.variant == VariantShogi )
9582 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9583 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9584 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9585 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9586 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9587 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9588 if( gameInfo.variant == VariantCourier )
9589 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9590 if( gameInfo.variant == VariantSuper )
9591 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9592 if( gameInfo.variant == VariantGreat )
9593 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9594 if( gameInfo.variant == VariantSChess )
9595 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9596 if( gameInfo.variant == VariantGrand )
9597 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9600 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9601 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9602 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9603 if(StrStr(cps->variants, b) == NULL) {
9604 // specific sized variant not known, check if general sizing allowed
9605 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9606 if(StrStr(cps->variants, "boardsize") == NULL) {
9607 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9608 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9609 DisplayFatalError(buf, 0, 1);
9612 /* [HGM] here we really should compare with the maximum supported board size */
9615 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9616 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9617 SendToProgram(buf, cps);
9619 currentlyInitializedVariant = gameInfo.variant;
9621 /* [HGM] send opening position in FRC to first engine */
9623 SendToProgram("force\n", cps);
9625 /* engine is now in force mode! Set flag to wake it up after first move. */
9626 setboardSpoiledMachineBlack = 1;
9630 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9631 SendToProgram(buf, cps);
9633 cps->maybeThinking = FALSE;
9634 cps->offeredDraw = 0;
9635 if (!appData.icsActive) {
9636 SendTimeControl(cps, movesPerSession, timeControl,
9637 timeIncrement, appData.searchDepth,
9640 if (appData.showThinking
9641 // [HGM] thinking: four options require thinking output to be sent
9642 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9644 SendToProgram("post\n", cps);
9646 SendToProgram("hard\n", cps);
9647 if (!appData.ponderNextMove) {
9648 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9649 it without being sure what state we are in first. "hard"
9650 is not a toggle, so that one is OK.
9652 SendToProgram("easy\n", cps);
9655 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9656 SendToProgram(buf, cps);
9658 cps->initDone = TRUE;
9659 ClearEngineOutputPane(cps == &second);
9664 StartChessProgram(cps)
9665 ChessProgramState *cps;
9670 if (appData.noChessProgram) return;
9671 cps->initDone = FALSE;
9673 if (strcmp(cps->host, "localhost") == 0) {
9674 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9675 } else if (*appData.remoteShell == NULLCHAR) {
9676 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9678 if (*appData.remoteUser == NULLCHAR) {
9679 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9682 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9683 cps->host, appData.remoteUser, cps->program);
9685 err = StartChildProcess(buf, "", &cps->pr);
9689 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9690 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9691 if(cps != &first) return;
9692 appData.noChessProgram = TRUE;
9695 // DisplayFatalError(buf, err, 1);
9696 // cps->pr = NoProc;
9701 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9702 if (cps->protocolVersion > 1) {
9703 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9704 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9705 cps->comboCnt = 0; // and values of combo boxes
9706 SendToProgram(buf, cps);
9708 SendToProgram("xboard\n", cps);
9713 TwoMachinesEventIfReady P((void))
9715 static int curMess = 0;
9716 if (first.lastPing != first.lastPong) {
9717 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9718 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9721 if (second.lastPing != second.lastPong) {
9722 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9723 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9726 DisplayMessage("", ""); curMess = 0;
9732 MakeName(char *template)
9736 static char buf[MSG_SIZ];
9740 clock = time((time_t *)NULL);
9741 tm = localtime(&clock);
9743 while(*p++ = *template++) if(p[-1] == '%') {
9744 switch(*template++) {
9745 case 0: *p = 0; return buf;
9746 case 'Y': i = tm->tm_year+1900; break;
9747 case 'y': i = tm->tm_year-100; break;
9748 case 'M': i = tm->tm_mon+1; break;
9749 case 'd': i = tm->tm_mday; break;
9750 case 'h': i = tm->tm_hour; break;
9751 case 'm': i = tm->tm_min; break;
9752 case 's': i = tm->tm_sec; break;
9755 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9761 CountPlayers(char *p)
9764 while(p = strchr(p, '\n')) p++, n++; // count participants
9769 WriteTourneyFile(char *results, FILE *f)
9770 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9771 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9772 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9773 // create a file with tournament description
9774 fprintf(f, "-participants {%s}\n", appData.participants);
9775 fprintf(f, "-seedBase %d\n", appData.seedBase);
9776 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9777 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9778 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9779 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9780 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9781 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9782 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9783 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9784 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9785 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9786 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9787 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9789 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9791 fprintf(f, "-mps %d\n", appData.movesPerSession);
9792 fprintf(f, "-tc %s\n", appData.timeControl);
9793 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9795 fprintf(f, "-results \"%s\"\n", results);
9800 #define MAXENGINES 1000
9801 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9803 void Substitute(char *participants, int expunge)
9805 int i, changed, changes=0, nPlayers=0;
9806 char *p, *q, *r, buf[MSG_SIZ];
9807 if(participants == NULL) return;
9808 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9809 r = p = participants; q = appData.participants;
9810 while(*p && *p == *q) {
9811 if(*p == '\n') r = p+1, nPlayers++;
9814 if(*p) { // difference
9815 while(*p && *p++ != '\n');
9816 while(*q && *q++ != '\n');
9818 changes = 1 + (strcmp(p, q) != 0);
9820 if(changes == 1) { // a single engine mnemonic was changed
9821 q = r; while(*q) nPlayers += (*q++ == '\n');
9822 p = buf; while(*r && (*p = *r++) != '\n') p++;
9824 NamesToList(firstChessProgramNames, command, mnemonic);
9825 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9826 if(mnemonic[i]) { // The substitute is valid
9828 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9829 flock(fileno(f), LOCK_EX);
9830 ParseArgsFromFile(f);
9831 fseek(f, 0, SEEK_SET);
9832 FREE(appData.participants); appData.participants = participants;
9833 if(expunge) { // erase results of replaced engine
9834 int len = strlen(appData.results), w, b, dummy;
9835 for(i=0; i<len; i++) {
9836 Pairing(i, nPlayers, &w, &b, &dummy);
9837 if((w == changed || b == changed) && appData.results[i] == '*') {
9838 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9843 for(i=0; i<len; i++) {
9844 Pairing(i, nPlayers, &w, &b, &dummy);
9845 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9848 WriteTourneyFile(appData.results, f);
9849 fclose(f); // release lock
9852 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9854 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9855 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9861 CreateTourney(char *name)
9864 if(matchMode && strcmp(name, appData.tourneyFile)) {
9865 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9867 if(name[0] == NULLCHAR) {
9868 if(appData.participants[0])
9869 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9872 f = fopen(name, "r");
9873 if(f) { // file exists
9874 ASSIGN(appData.tourneyFile, name);
9875 ParseArgsFromFile(f); // parse it
9877 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9878 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9879 DisplayError(_("Not enough participants"), 0);
9882 ASSIGN(appData.tourneyFile, name);
9883 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9884 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9887 appData.noChessProgram = FALSE;
9888 appData.clockMode = TRUE;
9893 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9895 char buf[MSG_SIZ], *p, *q;
9899 while(*p && *p != '\n') *q++ = *p++;
9901 if(engineList[i]) free(engineList[i]);
9902 engineList[i] = strdup(buf);
9904 TidyProgramName(engineList[i], "localhost", buf);
9905 if(engineMnemonic[i]) free(engineMnemonic[i]);
9906 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9908 sscanf(q + 8, "%s", buf + strlen(buf));
9911 engineMnemonic[i] = strdup(buf);
9913 if(i > MAXENGINES - 2) break;
9915 engineList[i] = engineMnemonic[i] = NULL;
9918 // following implemented as macro to avoid type limitations
9919 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9921 void SwapEngines(int n)
9922 { // swap settings for first engine and other engine (so far only some selected options)
9927 SWAP(chessProgram, p)
9929 SWAP(hasOwnBookUCI, h)
9930 SWAP(protocolVersion, h)
9932 SWAP(scoreIsAbsolute, h)
9941 SetPlayer(int player)
9942 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9944 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9945 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9946 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9947 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9949 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9950 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9951 appData.firstHasOwnBookUCI = !appData.defNoBook;
9952 ParseArgsFromString(buf);
9958 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9959 { // determine players from game number
9960 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9962 if(appData.tourneyType == 0) {
9963 roundsPerCycle = (nPlayers - 1) | 1;
9964 pairingsPerRound = nPlayers / 2;
9965 } else if(appData.tourneyType > 0) {
9966 roundsPerCycle = nPlayers - appData.tourneyType;
9967 pairingsPerRound = appData.tourneyType;
9969 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9970 gamesPerCycle = gamesPerRound * roundsPerCycle;
9971 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9972 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9973 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9974 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9975 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9976 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9978 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9979 if(appData.roundSync) *syncInterval = gamesPerRound;
9981 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9983 if(appData.tourneyType == 0) {
9984 if(curPairing == (nPlayers-1)/2 ) {
9985 *whitePlayer = curRound;
9986 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9988 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9989 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9990 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9991 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9993 } else if(appData.tourneyType > 0) {
9994 *whitePlayer = curPairing;
9995 *blackPlayer = curRound + appData.tourneyType;
9998 // take care of white/black alternation per round.
9999 // For cycles and games this is already taken care of by default, derived from matchGame!
10000 return curRound & 1;
10004 NextTourneyGame(int nr, int *swapColors)
10005 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10007 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10009 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10010 tf = fopen(appData.tourneyFile, "r");
10011 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10012 ParseArgsFromFile(tf); fclose(tf);
10013 InitTimeControls(); // TC might be altered from tourney file
10015 nPlayers = CountPlayers(appData.participants); // count participants
10016 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10017 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10020 p = q = appData.results;
10021 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10022 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10023 DisplayMessage(_("Waiting for other game(s)"),"");
10024 waitingForGame = TRUE;
10025 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10028 waitingForGame = FALSE;
10031 if(appData.tourneyType < 0) {
10032 if(nr>=0 && !pairingReceived) {
10034 if(pairing.pr == NoProc) {
10035 if(!appData.pairingEngine[0]) {
10036 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10039 StartChessProgram(&pairing); // starts the pairing engine
10041 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10042 SendToProgram(buf, &pairing);
10043 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10044 SendToProgram(buf, &pairing);
10045 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10047 pairingReceived = 0; // ... so we continue here
10049 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10050 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10051 matchGame = 1; roundNr = nr / syncInterval + 1;
10054 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10056 // redefine engines, engine dir, etc.
10057 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10058 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10060 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10061 SwapEngines(1); // and make that valid for second engine by swapping
10062 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10063 InitEngine(&second, 1);
10064 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10065 UpdateLogos(FALSE); // leave display to ModeHiglight()
10071 { // performs game initialization that does not invoke engines, and then tries to start the game
10072 int res, firstWhite, swapColors = 0;
10073 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10074 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10075 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10076 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10077 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10078 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10079 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10080 Reset(FALSE, first.pr != NoProc);
10081 res = LoadGameOrPosition(matchGame); // setup game
10082 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10083 if(!res) return; // abort when bad game/pos file
10084 TwoMachinesEvent();
10087 void UserAdjudicationEvent( int result )
10089 ChessMove gameResult = GameIsDrawn;
10092 gameResult = WhiteWins;
10094 else if( result < 0 ) {
10095 gameResult = BlackWins;
10098 if( gameMode == TwoMachinesPlay ) {
10099 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10104 // [HGM] save: calculate checksum of game to make games easily identifiable
10105 int StringCheckSum(char *s)
10108 if(s==NULL) return 0;
10109 while(*s) i = i*259 + *s++;
10116 for(i=backwardMostMove; i<forwardMostMove; i++) {
10117 sum += pvInfoList[i].depth;
10118 sum += StringCheckSum(parseList[i]);
10119 sum += StringCheckSum(commentList[i]);
10122 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10123 return sum + StringCheckSum(commentList[i]);
10124 } // end of save patch
10127 GameEnds(result, resultDetails, whosays)
10129 char *resultDetails;
10132 GameMode nextGameMode;
10134 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10136 if(endingGame) return; /* [HGM] crash: forbid recursion */
10138 if(twoBoards) { // [HGM] dual: switch back to one board
10139 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10140 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10142 if (appData.debugMode) {
10143 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10144 result, resultDetails ? resultDetails : "(null)", whosays);
10147 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10149 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10150 /* If we are playing on ICS, the server decides when the
10151 game is over, but the engine can offer to draw, claim
10155 if (appData.zippyPlay && first.initDone) {
10156 if (result == GameIsDrawn) {
10157 /* In case draw still needs to be claimed */
10158 SendToICS(ics_prefix);
10159 SendToICS("draw\n");
10160 } else if (StrCaseStr(resultDetails, "resign")) {
10161 SendToICS(ics_prefix);
10162 SendToICS("resign\n");
10166 endingGame = 0; /* [HGM] crash */
10170 /* If we're loading the game from a file, stop */
10171 if (whosays == GE_FILE) {
10172 (void) StopLoadGameTimer();
10176 /* Cancel draw offers */
10177 first.offeredDraw = second.offeredDraw = 0;
10179 /* If this is an ICS game, only ICS can really say it's done;
10180 if not, anyone can. */
10181 isIcsGame = (gameMode == IcsPlayingWhite ||
10182 gameMode == IcsPlayingBlack ||
10183 gameMode == IcsObserving ||
10184 gameMode == IcsExamining);
10186 if (!isIcsGame || whosays == GE_ICS) {
10187 /* OK -- not an ICS game, or ICS said it was done */
10189 if (!isIcsGame && !appData.noChessProgram)
10190 SetUserThinkingEnables();
10192 /* [HGM] if a machine claims the game end we verify this claim */
10193 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10194 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10196 ChessMove trueResult = (ChessMove) -1;
10198 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10199 first.twoMachinesColor[0] :
10200 second.twoMachinesColor[0] ;
10202 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10203 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10204 /* [HGM] verify: engine mate claims accepted if they were flagged */
10205 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10207 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10208 /* [HGM] verify: engine mate claims accepted if they were flagged */
10209 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10211 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10212 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10215 // now verify win claims, but not in drop games, as we don't understand those yet
10216 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10217 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10218 (result == WhiteWins && claimer == 'w' ||
10219 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10220 if (appData.debugMode) {
10221 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10222 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10224 if(result != trueResult) {
10225 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10226 result = claimer == 'w' ? BlackWins : WhiteWins;
10227 resultDetails = buf;
10230 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10231 && (forwardMostMove <= backwardMostMove ||
10232 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10233 (claimer=='b')==(forwardMostMove&1))
10235 /* [HGM] verify: draws that were not flagged are false claims */
10236 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10237 result = claimer == 'w' ? BlackWins : WhiteWins;
10238 resultDetails = buf;
10240 /* (Claiming a loss is accepted no questions asked!) */
10242 /* [HGM] bare: don't allow bare King to win */
10243 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10244 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10245 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10246 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10247 && result != GameIsDrawn)
10248 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10249 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10250 int p = (signed char)boards[forwardMostMove][i][j] - color;
10251 if(p >= 0 && p <= (int)WhiteKing) k++;
10253 if (appData.debugMode) {
10254 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10255 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10258 result = GameIsDrawn;
10259 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10260 resultDetails = buf;
10266 if(serverMoves != NULL && !loadFlag) { char c = '=';
10267 if(result==WhiteWins) c = '+';
10268 if(result==BlackWins) c = '-';
10269 if(resultDetails != NULL)
10270 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10272 if (resultDetails != NULL) {
10273 gameInfo.result = result;
10274 gameInfo.resultDetails = StrSave(resultDetails);
10276 /* display last move only if game was not loaded from file */
10277 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10278 DisplayMove(currentMove - 1);
10280 if (forwardMostMove != 0) {
10281 if (gameMode != PlayFromGameFile && gameMode != EditGame
10282 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10284 if (*appData.saveGameFile != NULLCHAR) {
10285 SaveGameToFile(appData.saveGameFile, TRUE);
10286 } else if (appData.autoSaveGames) {
10289 if (*appData.savePositionFile != NULLCHAR) {
10290 SavePositionToFile(appData.savePositionFile);
10295 /* Tell program how game ended in case it is learning */
10296 /* [HGM] Moved this to after saving the PGN, just in case */
10297 /* engine died and we got here through time loss. In that */
10298 /* case we will get a fatal error writing the pipe, which */
10299 /* would otherwise lose us the PGN. */
10300 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10301 /* output during GameEnds should never be fatal anymore */
10302 if (gameMode == MachinePlaysWhite ||
10303 gameMode == MachinePlaysBlack ||
10304 gameMode == TwoMachinesPlay ||
10305 gameMode == IcsPlayingWhite ||
10306 gameMode == IcsPlayingBlack ||
10307 gameMode == BeginningOfGame) {
10309 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10311 if (first.pr != NoProc) {
10312 SendToProgram(buf, &first);
10314 if (second.pr != NoProc &&
10315 gameMode == TwoMachinesPlay) {
10316 SendToProgram(buf, &second);
10321 if (appData.icsActive) {
10322 if (appData.quietPlay &&
10323 (gameMode == IcsPlayingWhite ||
10324 gameMode == IcsPlayingBlack)) {
10325 SendToICS(ics_prefix);
10326 SendToICS("set shout 1\n");
10328 nextGameMode = IcsIdle;
10329 ics_user_moved = FALSE;
10330 /* clean up premove. It's ugly when the game has ended and the
10331 * premove highlights are still on the board.
10334 gotPremove = FALSE;
10335 ClearPremoveHighlights();
10336 DrawPosition(FALSE, boards[currentMove]);
10338 if (whosays == GE_ICS) {
10341 if (gameMode == IcsPlayingWhite)
10343 else if(gameMode == IcsPlayingBlack)
10344 PlayIcsLossSound();
10347 if (gameMode == IcsPlayingBlack)
10349 else if(gameMode == IcsPlayingWhite)
10350 PlayIcsLossSound();
10353 PlayIcsDrawSound();
10356 PlayIcsUnfinishedSound();
10359 } else if (gameMode == EditGame ||
10360 gameMode == PlayFromGameFile ||
10361 gameMode == AnalyzeMode ||
10362 gameMode == AnalyzeFile) {
10363 nextGameMode = gameMode;
10365 nextGameMode = EndOfGame;
10370 nextGameMode = gameMode;
10373 if (appData.noChessProgram) {
10374 gameMode = nextGameMode;
10376 endingGame = 0; /* [HGM] crash */
10381 /* Put first chess program into idle state */
10382 if (first.pr != NoProc &&
10383 (gameMode == MachinePlaysWhite ||
10384 gameMode == MachinePlaysBlack ||
10385 gameMode == TwoMachinesPlay ||
10386 gameMode == IcsPlayingWhite ||
10387 gameMode == IcsPlayingBlack ||
10388 gameMode == BeginningOfGame)) {
10389 SendToProgram("force\n", &first);
10390 if (first.usePing) {
10392 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10393 SendToProgram(buf, &first);
10396 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10397 /* Kill off first chess program */
10398 if (first.isr != NULL)
10399 RemoveInputSource(first.isr);
10402 if (first.pr != NoProc) {
10404 DoSleep( appData.delayBeforeQuit );
10405 SendToProgram("quit\n", &first);
10406 DoSleep( appData.delayAfterQuit );
10407 DestroyChildProcess(first.pr, first.useSigterm);
10411 if (second.reuse) {
10412 /* Put second chess program into idle state */
10413 if (second.pr != NoProc &&
10414 gameMode == TwoMachinesPlay) {
10415 SendToProgram("force\n", &second);
10416 if (second.usePing) {
10418 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10419 SendToProgram(buf, &second);
10422 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10423 /* Kill off second chess program */
10424 if (second.isr != NULL)
10425 RemoveInputSource(second.isr);
10428 if (second.pr != NoProc) {
10429 DoSleep( appData.delayBeforeQuit );
10430 SendToProgram("quit\n", &second);
10431 DoSleep( appData.delayAfterQuit );
10432 DestroyChildProcess(second.pr, second.useSigterm);
10434 second.pr = NoProc;
10437 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10438 char resChar = '=';
10442 if (first.twoMachinesColor[0] == 'w') {
10445 second.matchWins++;
10450 if (first.twoMachinesColor[0] == 'b') {
10453 second.matchWins++;
10456 case GameUnfinished:
10462 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10463 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10464 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10465 ReserveGame(nextGame, resChar); // sets nextGame
10466 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10467 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10468 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10470 if (nextGame <= appData.matchGames && !abortMatch) {
10471 gameMode = nextGameMode;
10472 matchGame = nextGame; // this will be overruled in tourney mode!
10473 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10474 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10475 endingGame = 0; /* [HGM] crash */
10478 gameMode = nextGameMode;
10479 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10480 first.tidy, second.tidy,
10481 first.matchWins, second.matchWins,
10482 appData.matchGames - (first.matchWins + second.matchWins));
10483 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10484 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10485 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10486 first.twoMachinesColor = "black\n";
10487 second.twoMachinesColor = "white\n";
10489 first.twoMachinesColor = "white\n";
10490 second.twoMachinesColor = "black\n";
10494 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10495 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10497 gameMode = nextGameMode;
10499 endingGame = 0; /* [HGM] crash */
10500 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10501 if(matchMode == TRUE) { // match through command line: exit with or without popup
10503 ToNrEvent(forwardMostMove);
10504 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10506 } else DisplayFatalError(buf, 0, 0);
10507 } else { // match through menu; just stop, with or without popup
10508 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10511 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10512 } else DisplayNote(buf);
10514 if(ranking) free(ranking);
10518 /* Assumes program was just initialized (initString sent).
10519 Leaves program in force mode. */
10521 FeedMovesToProgram(cps, upto)
10522 ChessProgramState *cps;
10527 if (appData.debugMode)
10528 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10529 startedFromSetupPosition ? "position and " : "",
10530 backwardMostMove, upto, cps->which);
10531 if(currentlyInitializedVariant != gameInfo.variant) {
10533 // [HGM] variantswitch: make engine aware of new variant
10534 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10535 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10536 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10537 SendToProgram(buf, cps);
10538 currentlyInitializedVariant = gameInfo.variant;
10540 SendToProgram("force\n", cps);
10541 if (startedFromSetupPosition) {
10542 SendBoard(cps, backwardMostMove);
10543 if (appData.debugMode) {
10544 fprintf(debugFP, "feedMoves\n");
10547 for (i = backwardMostMove; i < upto; i++) {
10548 SendMoveToProgram(i, cps);
10554 ResurrectChessProgram()
10556 /* The chess program may have exited.
10557 If so, restart it and feed it all the moves made so far. */
10558 static int doInit = 0;
10560 if (appData.noChessProgram) return 1;
10562 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10563 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10564 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10565 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10567 if (first.pr != NoProc) return 1;
10568 StartChessProgram(&first);
10570 InitChessProgram(&first, FALSE);
10571 FeedMovesToProgram(&first, currentMove);
10573 if (!first.sendTime) {
10574 /* can't tell gnuchess what its clock should read,
10575 so we bow to its notion. */
10577 timeRemaining[0][currentMove] = whiteTimeRemaining;
10578 timeRemaining[1][currentMove] = blackTimeRemaining;
10581 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10582 appData.icsEngineAnalyze) && first.analysisSupport) {
10583 SendToProgram("analyze\n", &first);
10584 first.analyzing = TRUE;
10590 * Button procedures
10593 Reset(redraw, init)
10598 if (appData.debugMode) {
10599 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10600 redraw, init, gameMode);
10602 CleanupTail(); // [HGM] vari: delete any stored variations
10603 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10604 pausing = pauseExamInvalid = FALSE;
10605 startedFromSetupPosition = blackPlaysFirst = FALSE;
10607 whiteFlag = blackFlag = FALSE;
10608 userOfferedDraw = FALSE;
10609 hintRequested = bookRequested = FALSE;
10610 first.maybeThinking = FALSE;
10611 second.maybeThinking = FALSE;
10612 first.bookSuspend = FALSE; // [HGM] book
10613 second.bookSuspend = FALSE;
10614 thinkOutput[0] = NULLCHAR;
10615 lastHint[0] = NULLCHAR;
10616 ClearGameInfo(&gameInfo);
10617 gameInfo.variant = StringToVariant(appData.variant);
10618 ics_user_moved = ics_clock_paused = FALSE;
10619 ics_getting_history = H_FALSE;
10621 white_holding[0] = black_holding[0] = NULLCHAR;
10622 ClearProgramStats();
10623 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10627 flipView = appData.flipView;
10628 ClearPremoveHighlights();
10629 gotPremove = FALSE;
10630 alarmSounded = FALSE;
10632 GameEnds(EndOfFile, NULL, GE_PLAYER);
10633 if(appData.serverMovesName != NULL) {
10634 /* [HGM] prepare to make moves file for broadcasting */
10635 clock_t t = clock();
10636 if(serverMoves != NULL) fclose(serverMoves);
10637 serverMoves = fopen(appData.serverMovesName, "r");
10638 if(serverMoves != NULL) {
10639 fclose(serverMoves);
10640 /* delay 15 sec before overwriting, so all clients can see end */
10641 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10643 serverMoves = fopen(appData.serverMovesName, "w");
10647 gameMode = BeginningOfGame;
10649 if(appData.icsActive) gameInfo.variant = VariantNormal;
10650 currentMove = forwardMostMove = backwardMostMove = 0;
10651 InitPosition(redraw);
10652 for (i = 0; i < MAX_MOVES; i++) {
10653 if (commentList[i] != NULL) {
10654 free(commentList[i]);
10655 commentList[i] = NULL;
10659 timeRemaining[0][0] = whiteTimeRemaining;
10660 timeRemaining[1][0] = blackTimeRemaining;
10662 if (first.pr == NoProc) {
10663 StartChessProgram(&first);
10666 InitChessProgram(&first, startedFromSetupPosition);
10669 DisplayMessage("", "");
10670 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10671 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10678 if (!AutoPlayOneMove())
10680 if (matchMode || appData.timeDelay == 0)
10682 if (appData.timeDelay < 0)
10684 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10693 int fromX, fromY, toX, toY;
10695 if (appData.debugMode) {
10696 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10699 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10702 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10703 pvInfoList[currentMove].depth = programStats.depth;
10704 pvInfoList[currentMove].score = programStats.score;
10705 pvInfoList[currentMove].time = 0;
10706 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10709 if (currentMove >= forwardMostMove) {
10710 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10711 // gameMode = EndOfGame;
10712 // ModeHighlight();
10714 /* [AS] Clear current move marker at the end of a game */
10715 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10720 toX = moveList[currentMove][2] - AAA;
10721 toY = moveList[currentMove][3] - ONE;
10723 if (moveList[currentMove][1] == '@') {
10724 if (appData.highlightLastMove) {
10725 SetHighlights(-1, -1, toX, toY);
10728 fromX = moveList[currentMove][0] - AAA;
10729 fromY = moveList[currentMove][1] - ONE;
10731 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10733 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10735 if (appData.highlightLastMove) {
10736 SetHighlights(fromX, fromY, toX, toY);
10739 DisplayMove(currentMove);
10740 SendMoveToProgram(currentMove++, &first);
10741 DisplayBothClocks();
10742 DrawPosition(FALSE, boards[currentMove]);
10743 // [HGM] PV info: always display, routine tests if empty
10744 DisplayComment(currentMove - 1, commentList[currentMove]);
10750 LoadGameOneMove(readAhead)
10751 ChessMove readAhead;
10753 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10754 char promoChar = NULLCHAR;
10755 ChessMove moveType;
10756 char move[MSG_SIZ];
10759 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10760 gameMode != AnalyzeMode && gameMode != Training) {
10765 yyboardindex = forwardMostMove;
10766 if (readAhead != EndOfFile) {
10767 moveType = readAhead;
10769 if (gameFileFP == NULL)
10771 moveType = (ChessMove) Myylex();
10775 switch (moveType) {
10777 if (appData.debugMode)
10778 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10781 /* append the comment but don't display it */
10782 AppendComment(currentMove, p, FALSE);
10785 case WhiteCapturesEnPassant:
10786 case BlackCapturesEnPassant:
10787 case WhitePromotion:
10788 case BlackPromotion:
10789 case WhiteNonPromotion:
10790 case BlackNonPromotion:
10792 case WhiteKingSideCastle:
10793 case WhiteQueenSideCastle:
10794 case BlackKingSideCastle:
10795 case BlackQueenSideCastle:
10796 case WhiteKingSideCastleWild:
10797 case WhiteQueenSideCastleWild:
10798 case BlackKingSideCastleWild:
10799 case BlackQueenSideCastleWild:
10801 case WhiteHSideCastleFR:
10802 case WhiteASideCastleFR:
10803 case BlackHSideCastleFR:
10804 case BlackASideCastleFR:
10806 if (appData.debugMode)
10807 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10808 fromX = currentMoveString[0] - AAA;
10809 fromY = currentMoveString[1] - ONE;
10810 toX = currentMoveString[2] - AAA;
10811 toY = currentMoveString[3] - ONE;
10812 promoChar = currentMoveString[4];
10817 if (appData.debugMode)
10818 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10819 fromX = moveType == WhiteDrop ?
10820 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10821 (int) CharToPiece(ToLower(currentMoveString[0]));
10823 toX = currentMoveString[2] - AAA;
10824 toY = currentMoveString[3] - ONE;
10830 case GameUnfinished:
10831 if (appData.debugMode)
10832 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10833 p = strchr(yy_text, '{');
10834 if (p == NULL) p = strchr(yy_text, '(');
10837 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10839 q = strchr(p, *p == '{' ? '}' : ')');
10840 if (q != NULL) *q = NULLCHAR;
10843 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10844 GameEnds(moveType, p, GE_FILE);
10846 if (cmailMsgLoaded) {
10848 flipView = WhiteOnMove(currentMove);
10849 if (moveType == GameUnfinished) flipView = !flipView;
10850 if (appData.debugMode)
10851 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10856 if (appData.debugMode)
10857 fprintf(debugFP, "Parser hit end of file\n");
10858 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10864 if (WhiteOnMove(currentMove)) {
10865 GameEnds(BlackWins, "Black mates", GE_FILE);
10867 GameEnds(WhiteWins, "White mates", GE_FILE);
10871 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10877 case MoveNumberOne:
10878 if (lastLoadGameStart == GNUChessGame) {
10879 /* GNUChessGames have numbers, but they aren't move numbers */
10880 if (appData.debugMode)
10881 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10882 yy_text, (int) moveType);
10883 return LoadGameOneMove(EndOfFile); /* tail recursion */
10885 /* else fall thru */
10890 /* Reached start of next game in file */
10891 if (appData.debugMode)
10892 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10893 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10899 if (WhiteOnMove(currentMove)) {
10900 GameEnds(BlackWins, "Black mates", GE_FILE);
10902 GameEnds(WhiteWins, "White mates", GE_FILE);
10906 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10912 case PositionDiagram: /* should not happen; ignore */
10913 case ElapsedTime: /* ignore */
10914 case NAG: /* ignore */
10915 if (appData.debugMode)
10916 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10917 yy_text, (int) moveType);
10918 return LoadGameOneMove(EndOfFile); /* tail recursion */
10921 if (appData.testLegality) {
10922 if (appData.debugMode)
10923 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10924 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10925 (forwardMostMove / 2) + 1,
10926 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10927 DisplayError(move, 0);
10930 if (appData.debugMode)
10931 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10932 yy_text, currentMoveString);
10933 fromX = currentMoveString[0] - AAA;
10934 fromY = currentMoveString[1] - ONE;
10935 toX = currentMoveString[2] - AAA;
10936 toY = currentMoveString[3] - ONE;
10937 promoChar = currentMoveString[4];
10941 case AmbiguousMove:
10942 if (appData.debugMode)
10943 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10944 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10945 (forwardMostMove / 2) + 1,
10946 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10947 DisplayError(move, 0);
10952 case ImpossibleMove:
10953 if (appData.debugMode)
10954 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10955 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10956 (forwardMostMove / 2) + 1,
10957 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10958 DisplayError(move, 0);
10964 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10965 DrawPosition(FALSE, boards[currentMove]);
10966 DisplayBothClocks();
10967 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10968 DisplayComment(currentMove - 1, commentList[currentMove]);
10970 (void) StopLoadGameTimer();
10972 cmailOldMove = forwardMostMove;
10975 /* currentMoveString is set as a side-effect of yylex */
10977 thinkOutput[0] = NULLCHAR;
10978 MakeMove(fromX, fromY, toX, toY, promoChar);
10979 currentMove = forwardMostMove;
10984 /* Load the nth game from the given file */
10986 LoadGameFromFile(filename, n, title, useList)
10990 /*Boolean*/ int useList;
10995 if (strcmp(filename, "-") == 0) {
10999 f = fopen(filename, "rb");
11001 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11002 DisplayError(buf, errno);
11006 if (fseek(f, 0, 0) == -1) {
11007 /* f is not seekable; probably a pipe */
11010 if (useList && n == 0) {
11011 int error = GameListBuild(f);
11013 DisplayError(_("Cannot build game list"), error);
11014 } else if (!ListEmpty(&gameList) &&
11015 ((ListGame *) gameList.tailPred)->number > 1) {
11016 GameListPopUp(f, title);
11023 return LoadGame(f, n, title, FALSE);
11028 MakeRegisteredMove()
11030 int fromX, fromY, toX, toY;
11032 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11033 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11036 if (appData.debugMode)
11037 fprintf(debugFP, "Restoring %s for game %d\n",
11038 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11040 thinkOutput[0] = NULLCHAR;
11041 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11042 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11043 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11044 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11045 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11046 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11047 MakeMove(fromX, fromY, toX, toY, promoChar);
11048 ShowMove(fromX, fromY, toX, toY);
11050 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11057 if (WhiteOnMove(currentMove)) {
11058 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11060 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11065 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11072 if (WhiteOnMove(currentMove)) {
11073 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11075 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11080 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11091 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11093 CmailLoadGame(f, gameNumber, title, useList)
11101 if (gameNumber > nCmailGames) {
11102 DisplayError(_("No more games in this message"), 0);
11105 if (f == lastLoadGameFP) {
11106 int offset = gameNumber - lastLoadGameNumber;
11108 cmailMsg[0] = NULLCHAR;
11109 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11110 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11111 nCmailMovesRegistered--;
11113 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11114 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11115 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11118 if (! RegisterMove()) return FALSE;
11122 retVal = LoadGame(f, gameNumber, title, useList);
11124 /* Make move registered during previous look at this game, if any */
11125 MakeRegisteredMove();
11127 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11128 commentList[currentMove]
11129 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11130 DisplayComment(currentMove - 1, commentList[currentMove]);
11136 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11141 int gameNumber = lastLoadGameNumber + offset;
11142 if (lastLoadGameFP == NULL) {
11143 DisplayError(_("No game has been loaded yet"), 0);
11146 if (gameNumber <= 0) {
11147 DisplayError(_("Can't back up any further"), 0);
11150 if (cmailMsgLoaded) {
11151 return CmailLoadGame(lastLoadGameFP, gameNumber,
11152 lastLoadGameTitle, lastLoadGameUseList);
11154 return LoadGame(lastLoadGameFP, gameNumber,
11155 lastLoadGameTitle, lastLoadGameUseList);
11159 int keys[EmptySquare+1];
11162 PositionMatches(Board b1, Board b2)
11165 switch(appData.searchMode) {
11166 case 1: return CompareWithRights(b1, b2);
11168 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11169 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11173 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11174 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11175 sum += keys[b1[r][f]] - keys[b2[r][f]];
11179 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11180 sum += keys[b1[r][f]] - keys[b2[r][f]];
11192 int pieceList[256], quickBoard[256];
11193 ChessSquare pieceType[256] = { EmptySquare };
11194 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11195 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11196 int soughtTotal, turn;
11197 Boolean epOK, flipSearch;
11200 unsigned char piece, to;
11203 #define DSIZE (250000)
11205 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11206 Move *moveDatabase = initialSpace;
11207 unsigned int movePtr, dataSize = DSIZE;
11209 int MakePieceList(Board board, int *counts)
11211 int r, f, n=Q_PROMO, total=0;
11212 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11213 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11214 int sq = f + (r<<4);
11215 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11216 quickBoard[sq] = ++n;
11218 pieceType[n] = board[r][f];
11219 counts[board[r][f]]++;
11220 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11221 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11225 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11229 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11231 int sq = fromX + (fromY<<4);
11232 int piece = quickBoard[sq];
11233 quickBoard[sq] = 0;
11234 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11235 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11236 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11237 moveDatabase[movePtr++].piece = Q_WCASTL;
11238 quickBoard[sq] = piece;
11239 piece = quickBoard[from]; quickBoard[from] = 0;
11240 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11242 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11243 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11244 moveDatabase[movePtr++].piece = Q_BCASTL;
11245 quickBoard[sq] = piece;
11246 piece = quickBoard[from]; quickBoard[from] = 0;
11247 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11249 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11250 quickBoard[(fromY<<4)+toX] = 0;
11251 moveDatabase[movePtr].piece = Q_EP;
11252 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11253 moveDatabase[movePtr].to = sq;
11255 if(promoPiece != pieceType[piece]) {
11256 moveDatabase[movePtr++].piece = Q_PROMO;
11257 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11259 moveDatabase[movePtr].piece = piece;
11260 quickBoard[sq] = piece;
11264 int PackGame(Board board)
11266 Move *newSpace = NULL;
11267 moveDatabase[movePtr].piece = 0; // terminate previous game
11268 if(movePtr > dataSize) {
11269 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11270 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11271 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11274 Move *p = moveDatabase, *q = newSpace;
11275 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11276 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11277 moveDatabase = newSpace;
11278 } else { // calloc failed, we must be out of memory. Too bad...
11279 dataSize = 0; // prevent calloc events for all subsequent games
11280 return 0; // and signal this one isn't cached
11284 MakePieceList(board, counts);
11288 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11289 { // compare according to search mode
11291 switch(appData.searchMode)
11293 case 1: // exact position match
11294 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11295 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11296 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11299 case 2: // can have extra material on empty squares
11300 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11301 if(board[r][f] == EmptySquare) continue;
11302 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11305 case 3: // material with exact Pawn structure
11306 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11307 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11308 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11309 } // fall through to material comparison
11310 case 4: // exact material
11311 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11313 case 6: // material range with given imbalance
11314 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11315 // fall through to range comparison
11316 case 5: // material range
11317 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11322 int QuickScan(Board board, Move *move)
11323 { // reconstruct game,and compare all positions in it
11324 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11326 int piece = move->piece;
11327 int to = move->to, from = pieceList[piece];
11328 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11329 if(!piece) return -1;
11330 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11331 piece = (++move)->piece;
11332 from = pieceList[piece];
11333 counts[pieceType[piece]]--;
11334 pieceType[piece] = (ChessSquare) move->to;
11335 counts[move->to]++;
11336 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11337 counts[pieceType[quickBoard[to]]]--;
11338 quickBoard[to] = 0; total--;
11341 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11342 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11343 from = pieceList[piece]; // so this must be King
11344 quickBoard[from] = 0;
11345 quickBoard[to] = piece;
11346 pieceList[piece] = to;
11351 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11352 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11353 quickBoard[from] = 0;
11354 quickBoard[to] = piece;
11355 pieceList[piece] = to;
11357 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11358 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11359 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11360 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11362 static int lastCounts[EmptySquare+1];
11364 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11365 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11366 } else stretch = 0;
11367 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11375 flipSearch = FALSE;
11376 CopyBoard(soughtBoard, boards[currentMove]);
11377 soughtTotal = MakePieceList(soughtBoard, maxSought);
11378 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11379 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11380 CopyBoard(reverseBoard, boards[currentMove]);
11381 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11382 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11383 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11384 reverseBoard[r][f] = piece;
11386 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11387 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11388 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11389 || (boards[currentMove][CASTLING][2] == NoRights ||
11390 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11391 && (boards[currentMove][CASTLING][5] == NoRights ||
11392 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11395 CopyBoard(flipBoard, soughtBoard);
11396 CopyBoard(rotateBoard, reverseBoard);
11397 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11398 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11399 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11402 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11403 if(appData.searchMode >= 5) {
11404 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11405 MakePieceList(soughtBoard, minSought);
11406 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11408 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11409 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11412 GameInfo dummyInfo;
11414 int GameContainsPosition(FILE *f, ListGame *lg)
11416 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11417 int fromX, fromY, toX, toY;
11419 static int initDone=FALSE;
11421 // weed out games based on numerical tag comparison
11422 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11423 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11424 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11425 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11427 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11430 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11431 else CopyBoard(boards[scratch], initialPosition); // default start position
11434 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11435 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11438 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11439 fseek(f, lg->offset, 0);
11442 yyboardindex = scratch;
11443 quickFlag = plyNr+1;
11448 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11454 if(plyNr) return -1; // after we have seen moves, this is for new game
11457 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11458 case ImpossibleMove:
11459 case WhiteWins: // game ends here with these four
11462 case GameUnfinished:
11466 if(appData.testLegality) return -1;
11467 case WhiteCapturesEnPassant:
11468 case BlackCapturesEnPassant:
11469 case WhitePromotion:
11470 case BlackPromotion:
11471 case WhiteNonPromotion:
11472 case BlackNonPromotion:
11474 case WhiteKingSideCastle:
11475 case WhiteQueenSideCastle:
11476 case BlackKingSideCastle:
11477 case BlackQueenSideCastle:
11478 case WhiteKingSideCastleWild:
11479 case WhiteQueenSideCastleWild:
11480 case BlackKingSideCastleWild:
11481 case BlackQueenSideCastleWild:
11482 case WhiteHSideCastleFR:
11483 case WhiteASideCastleFR:
11484 case BlackHSideCastleFR:
11485 case BlackASideCastleFR:
11486 fromX = currentMoveString[0] - AAA;
11487 fromY = currentMoveString[1] - ONE;
11488 toX = currentMoveString[2] - AAA;
11489 toY = currentMoveString[3] - ONE;
11490 promoChar = currentMoveString[4];
11494 fromX = next == WhiteDrop ?
11495 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11496 (int) CharToPiece(ToLower(currentMoveString[0]));
11498 toX = currentMoveString[2] - AAA;
11499 toY = currentMoveString[3] - ONE;
11503 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11505 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11506 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11507 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11508 if(appData.findMirror) {
11509 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11510 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11515 /* Load the nth game from open file f */
11517 LoadGame(f, gameNumber, title, useList)
11525 int gn = gameNumber;
11526 ListGame *lg = NULL;
11527 int numPGNTags = 0;
11529 GameMode oldGameMode;
11530 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11532 if (appData.debugMode)
11533 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11535 if (gameMode == Training )
11536 SetTrainingModeOff();
11538 oldGameMode = gameMode;
11539 if (gameMode != BeginningOfGame) {
11540 Reset(FALSE, TRUE);
11544 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11545 fclose(lastLoadGameFP);
11549 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11552 fseek(f, lg->offset, 0);
11553 GameListHighlight(gameNumber);
11554 pos = lg->position;
11558 DisplayError(_("Game number out of range"), 0);
11563 if (fseek(f, 0, 0) == -1) {
11564 if (f == lastLoadGameFP ?
11565 gameNumber == lastLoadGameNumber + 1 :
11569 DisplayError(_("Can't seek on game file"), 0);
11574 lastLoadGameFP = f;
11575 lastLoadGameNumber = gameNumber;
11576 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11577 lastLoadGameUseList = useList;
11581 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11582 snprintf(buf, sizeof(buf), _("%s vs. %s"), lg->gameInfo.white,
11583 lg->gameInfo.black);
11585 } else if (*title != NULLCHAR) {
11586 if (gameNumber > 1) {
11587 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11590 DisplayTitle(title);
11594 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11595 gameMode = PlayFromGameFile;
11599 currentMove = forwardMostMove = backwardMostMove = 0;
11600 CopyBoard(boards[0], initialPosition);
11604 * Skip the first gn-1 games in the file.
11605 * Also skip over anything that precedes an identifiable
11606 * start of game marker, to avoid being confused by
11607 * garbage at the start of the file. Currently
11608 * recognized start of game markers are the move number "1",
11609 * the pattern "gnuchess .* game", the pattern
11610 * "^[#;%] [^ ]* game file", and a PGN tag block.
11611 * A game that starts with one of the latter two patterns
11612 * will also have a move number 1, possibly
11613 * following a position diagram.
11614 * 5-4-02: Let's try being more lenient and allowing a game to
11615 * start with an unnumbered move. Does that break anything?
11617 cm = lastLoadGameStart = EndOfFile;
11619 yyboardindex = forwardMostMove;
11620 cm = (ChessMove) Myylex();
11623 if (cmailMsgLoaded) {
11624 nCmailGames = CMAIL_MAX_GAMES - gn;
11627 DisplayError(_("Game not found in file"), 0);
11634 lastLoadGameStart = cm;
11637 case MoveNumberOne:
11638 switch (lastLoadGameStart) {
11643 case MoveNumberOne:
11645 gn--; /* count this game */
11646 lastLoadGameStart = cm;
11655 switch (lastLoadGameStart) {
11658 case MoveNumberOne:
11660 gn--; /* count this game */
11661 lastLoadGameStart = cm;
11664 lastLoadGameStart = cm; /* game counted already */
11672 yyboardindex = forwardMostMove;
11673 cm = (ChessMove) Myylex();
11674 } while (cm == PGNTag || cm == Comment);
11681 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11682 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11683 != CMAIL_OLD_RESULT) {
11685 cmailResult[ CMAIL_MAX_GAMES
11686 - gn - 1] = CMAIL_OLD_RESULT;
11692 /* Only a NormalMove can be at the start of a game
11693 * without a position diagram. */
11694 if (lastLoadGameStart == EndOfFile ) {
11696 lastLoadGameStart = MoveNumberOne;
11705 if (appData.debugMode)
11706 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11708 if (cm == XBoardGame) {
11709 /* Skip any header junk before position diagram and/or move 1 */
11711 yyboardindex = forwardMostMove;
11712 cm = (ChessMove) Myylex();
11714 if (cm == EndOfFile ||
11715 cm == GNUChessGame || cm == XBoardGame) {
11716 /* Empty game; pretend end-of-file and handle later */
11721 if (cm == MoveNumberOne || cm == PositionDiagram ||
11722 cm == PGNTag || cm == Comment)
11725 } else if (cm == GNUChessGame) {
11726 if (gameInfo.event != NULL) {
11727 free(gameInfo.event);
11729 gameInfo.event = StrSave(yy_text);
11732 startedFromSetupPosition = FALSE;
11733 while (cm == PGNTag) {
11734 if (appData.debugMode)
11735 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11736 err = ParsePGNTag(yy_text, &gameInfo);
11737 if (!err) numPGNTags++;
11739 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11740 if(gameInfo.variant != oldVariant) {
11741 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11742 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11743 InitPosition(TRUE);
11744 oldVariant = gameInfo.variant;
11745 if (appData.debugMode)
11746 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11750 if (gameInfo.fen != NULL) {
11751 Board initial_position;
11752 startedFromSetupPosition = TRUE;
11753 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11755 DisplayError(_("Bad FEN position in file"), 0);
11758 CopyBoard(boards[0], initial_position);
11759 if (blackPlaysFirst) {
11760 currentMove = forwardMostMove = backwardMostMove = 1;
11761 CopyBoard(boards[1], initial_position);
11762 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11763 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11764 timeRemaining[0][1] = whiteTimeRemaining;
11765 timeRemaining[1][1] = blackTimeRemaining;
11766 if (commentList[0] != NULL) {
11767 commentList[1] = commentList[0];
11768 commentList[0] = NULL;
11771 currentMove = forwardMostMove = backwardMostMove = 0;
11773 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11775 initialRulePlies = FENrulePlies;
11776 for( i=0; i< nrCastlingRights; i++ )
11777 initialRights[i] = initial_position[CASTLING][i];
11779 yyboardindex = forwardMostMove;
11780 free(gameInfo.fen);
11781 gameInfo.fen = NULL;
11784 yyboardindex = forwardMostMove;
11785 cm = (ChessMove) Myylex();
11787 /* Handle comments interspersed among the tags */
11788 while (cm == Comment) {
11790 if (appData.debugMode)
11791 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11793 AppendComment(currentMove, p, FALSE);
11794 yyboardindex = forwardMostMove;
11795 cm = (ChessMove) Myylex();
11799 /* don't rely on existence of Event tag since if game was
11800 * pasted from clipboard the Event tag may not exist
11802 if (numPGNTags > 0){
11804 if (gameInfo.variant == VariantNormal) {
11805 VariantClass v = StringToVariant(gameInfo.event);
11806 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11807 if(v < VariantShogi) gameInfo.variant = v;
11810 if( appData.autoDisplayTags ) {
11811 tags = PGNTags(&gameInfo);
11812 TagsPopUp(tags, CmailMsg());
11817 /* Make something up, but don't display it now */
11822 if (cm == PositionDiagram) {
11825 Board initial_position;
11827 if (appData.debugMode)
11828 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11830 if (!startedFromSetupPosition) {
11832 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11833 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11844 initial_position[i][j++] = CharToPiece(*p);
11847 while (*p == ' ' || *p == '\t' ||
11848 *p == '\n' || *p == '\r') p++;
11850 if (strncmp(p, "black", strlen("black"))==0)
11851 blackPlaysFirst = TRUE;
11853 blackPlaysFirst = FALSE;
11854 startedFromSetupPosition = TRUE;
11856 CopyBoard(boards[0], initial_position);
11857 if (blackPlaysFirst) {
11858 currentMove = forwardMostMove = backwardMostMove = 1;
11859 CopyBoard(boards[1], initial_position);
11860 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11861 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11862 timeRemaining[0][1] = whiteTimeRemaining;
11863 timeRemaining[1][1] = blackTimeRemaining;
11864 if (commentList[0] != NULL) {
11865 commentList[1] = commentList[0];
11866 commentList[0] = NULL;
11869 currentMove = forwardMostMove = backwardMostMove = 0;
11872 yyboardindex = forwardMostMove;
11873 cm = (ChessMove) Myylex();
11876 if (first.pr == NoProc) {
11877 StartChessProgram(&first);
11879 InitChessProgram(&first, FALSE);
11880 SendToProgram("force\n", &first);
11881 if (startedFromSetupPosition) {
11882 SendBoard(&first, forwardMostMove);
11883 if (appData.debugMode) {
11884 fprintf(debugFP, "Load Game\n");
11886 DisplayBothClocks();
11889 /* [HGM] server: flag to write setup moves in broadcast file as one */
11890 loadFlag = appData.suppressLoadMoves;
11892 while (cm == Comment) {
11894 if (appData.debugMode)
11895 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11897 AppendComment(currentMove, p, FALSE);
11898 yyboardindex = forwardMostMove;
11899 cm = (ChessMove) Myylex();
11902 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11903 cm == WhiteWins || cm == BlackWins ||
11904 cm == GameIsDrawn || cm == GameUnfinished) {
11905 DisplayMessage("", _("No moves in game"));
11906 if (cmailMsgLoaded) {
11907 if (appData.debugMode)
11908 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11912 DrawPosition(FALSE, boards[currentMove]);
11913 DisplayBothClocks();
11914 gameMode = EditGame;
11921 // [HGM] PV info: routine tests if comment empty
11922 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11923 DisplayComment(currentMove - 1, commentList[currentMove]);
11925 if (!matchMode && appData.timeDelay != 0)
11926 DrawPosition(FALSE, boards[currentMove]);
11928 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11929 programStats.ok_to_send = 1;
11932 /* if the first token after the PGN tags is a move
11933 * and not move number 1, retrieve it from the parser
11935 if (cm != MoveNumberOne)
11936 LoadGameOneMove(cm);
11938 /* load the remaining moves from the file */
11939 while (LoadGameOneMove(EndOfFile)) {
11940 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11941 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11944 /* rewind to the start of the game */
11945 currentMove = backwardMostMove;
11947 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11949 if (oldGameMode == AnalyzeFile ||
11950 oldGameMode == AnalyzeMode) {
11951 AnalyzeFileEvent();
11954 if (!matchMode && pos >= 0) {
11955 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11957 if (matchMode || appData.timeDelay == 0) {
11959 } else if (appData.timeDelay > 0) {
11960 AutoPlayGameLoop();
11963 if (appData.debugMode)
11964 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11966 loadFlag = 0; /* [HGM] true game starts */
11970 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11972 ReloadPosition(offset)
11975 int positionNumber = lastLoadPositionNumber + offset;
11976 if (lastLoadPositionFP == NULL) {
11977 DisplayError(_("No position has been loaded yet"), 0);
11980 if (positionNumber <= 0) {
11981 DisplayError(_("Can't back up any further"), 0);
11984 return LoadPosition(lastLoadPositionFP, positionNumber,
11985 lastLoadPositionTitle);
11988 /* Load the nth position from the given file */
11990 LoadPositionFromFile(filename, n, title)
11998 if (strcmp(filename, "-") == 0) {
11999 return LoadPosition(stdin, n, "stdin");
12001 f = fopen(filename, "rb");
12003 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12004 DisplayError(buf, errno);
12007 return LoadPosition(f, n, title);
12012 /* Load the nth position from the given open file, and close it */
12014 LoadPosition(f, positionNumber, title)
12016 int positionNumber;
12019 char *p, line[MSG_SIZ];
12020 Board initial_position;
12021 int i, j, fenMode, pn;
12023 if (gameMode == Training )
12024 SetTrainingModeOff();
12026 if (gameMode != BeginningOfGame) {
12027 Reset(FALSE, TRUE);
12029 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12030 fclose(lastLoadPositionFP);
12032 if (positionNumber == 0) positionNumber = 1;
12033 lastLoadPositionFP = f;
12034 lastLoadPositionNumber = positionNumber;
12035 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12036 if (first.pr == NoProc && !appData.noChessProgram) {
12037 StartChessProgram(&first);
12038 InitChessProgram(&first, FALSE);
12040 pn = positionNumber;
12041 if (positionNumber < 0) {
12042 /* Negative position number means to seek to that byte offset */
12043 if (fseek(f, -positionNumber, 0) == -1) {
12044 DisplayError(_("Can't seek on position file"), 0);
12049 if (fseek(f, 0, 0) == -1) {
12050 if (f == lastLoadPositionFP ?
12051 positionNumber == lastLoadPositionNumber + 1 :
12052 positionNumber == 1) {
12055 DisplayError(_("Can't seek on position file"), 0);
12060 /* See if this file is FEN or old-style xboard */
12061 if (fgets(line, MSG_SIZ, f) == NULL) {
12062 DisplayError(_("Position not found in file"), 0);
12065 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12066 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12069 if (fenMode || line[0] == '#') pn--;
12071 /* skip positions before number pn */
12072 if (fgets(line, MSG_SIZ, f) == NULL) {
12074 DisplayError(_("Position not found in file"), 0);
12077 if (fenMode || line[0] == '#') pn--;
12082 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12083 DisplayError(_("Bad FEN position in file"), 0);
12087 (void) fgets(line, MSG_SIZ, f);
12088 (void) fgets(line, MSG_SIZ, f);
12090 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12091 (void) fgets(line, MSG_SIZ, f);
12092 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12095 initial_position[i][j++] = CharToPiece(*p);
12099 blackPlaysFirst = FALSE;
12101 (void) fgets(line, MSG_SIZ, f);
12102 if (strncmp(line, "black", strlen("black"))==0)
12103 blackPlaysFirst = TRUE;
12106 startedFromSetupPosition = TRUE;
12108 CopyBoard(boards[0], initial_position);
12109 if (blackPlaysFirst) {
12110 currentMove = forwardMostMove = backwardMostMove = 1;
12111 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12112 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12113 CopyBoard(boards[1], initial_position);
12114 DisplayMessage("", _("Black to play"));
12116 currentMove = forwardMostMove = backwardMostMove = 0;
12117 DisplayMessage("", _("White to play"));
12119 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12120 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12121 SendToProgram("force\n", &first);
12122 SendBoard(&first, forwardMostMove);
12124 if (appData.debugMode) {
12126 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12127 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12128 fprintf(debugFP, "Load Position\n");
12131 if (positionNumber > 1) {
12132 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12133 DisplayTitle(line);
12135 DisplayTitle(title);
12137 gameMode = EditGame;
12140 timeRemaining[0][1] = whiteTimeRemaining;
12141 timeRemaining[1][1] = blackTimeRemaining;
12142 DrawPosition(FALSE, boards[currentMove]);
12149 CopyPlayerNameIntoFileName(dest, src)
12152 while (*src != NULLCHAR && *src != ',') {
12157 *(*dest)++ = *src++;
12162 char *DefaultFileName(ext)
12165 static char def[MSG_SIZ];
12168 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12170 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12172 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12174 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12181 /* Save the current game to the given file */
12183 SaveGameToFile(filename, append)
12189 int result, i, t,tot=0;
12191 if (strcmp(filename, "-") == 0) {
12192 return SaveGame(stdout, 0, NULL);
12194 for(i=0; i<10; i++) { // upto 10 tries
12195 f = fopen(filename, append ? "a" : "w");
12196 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12197 if(f || errno != 13) break;
12198 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12202 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12203 DisplayError(buf, errno);
12206 safeStrCpy(buf, lastMsg, MSG_SIZ);
12207 DisplayMessage(_("Waiting for access to save file"), "");
12208 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12209 DisplayMessage(_("Saving game"), "");
12210 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12211 result = SaveGame(f, 0, NULL);
12212 DisplayMessage(buf, "");
12222 static char buf[MSG_SIZ];
12225 p = strchr(str, ' ');
12226 if (p == NULL) return str;
12227 strncpy(buf, str, p - str);
12228 buf[p - str] = NULLCHAR;
12232 #define PGN_MAX_LINE 75
12234 #define PGN_SIDE_WHITE 0
12235 #define PGN_SIDE_BLACK 1
12238 static int FindFirstMoveOutOfBook( int side )
12242 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12243 int index = backwardMostMove;
12244 int has_book_hit = 0;
12246 if( (index % 2) != side ) {
12250 while( index < forwardMostMove ) {
12251 /* Check to see if engine is in book */
12252 int depth = pvInfoList[index].depth;
12253 int score = pvInfoList[index].score;
12259 else if( score == 0 && depth == 63 ) {
12260 in_book = 1; /* Zappa */
12262 else if( score == 2 && depth == 99 ) {
12263 in_book = 1; /* Abrok */
12266 has_book_hit += in_book;
12282 void GetOutOfBookInfo( char * buf )
12286 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12288 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12289 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12293 if( oob[0] >= 0 || oob[1] >= 0 ) {
12294 for( i=0; i<2; i++ ) {
12298 if( i > 0 && oob[0] >= 0 ) {
12299 strcat( buf, " " );
12302 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12303 sprintf( buf+strlen(buf), "%s%.2f",
12304 pvInfoList[idx].score >= 0 ? "+" : "",
12305 pvInfoList[idx].score / 100.0 );
12311 /* Save game in PGN style and close the file */
12316 int i, offset, linelen, newblock;
12320 int movelen, numlen, blank;
12321 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12323 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12325 tm = time((time_t *) NULL);
12327 PrintPGNTags(f, &gameInfo);
12329 if (backwardMostMove > 0 || startedFromSetupPosition) {
12330 char *fen = PositionToFEN(backwardMostMove, NULL);
12331 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12332 fprintf(f, "\n{--------------\n");
12333 PrintPosition(f, backwardMostMove);
12334 fprintf(f, "--------------}\n");
12338 /* [AS] Out of book annotation */
12339 if( appData.saveOutOfBookInfo ) {
12342 GetOutOfBookInfo( buf );
12344 if( buf[0] != '\0' ) {
12345 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12352 i = backwardMostMove;
12356 while (i < forwardMostMove) {
12357 /* Print comments preceding this move */
12358 if (commentList[i] != NULL) {
12359 if (linelen > 0) fprintf(f, "\n");
12360 fprintf(f, "%s", commentList[i]);
12365 /* Format move number */
12367 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12370 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12372 numtext[0] = NULLCHAR;
12374 numlen = strlen(numtext);
12377 /* Print move number */
12378 blank = linelen > 0 && numlen > 0;
12379 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12388 fprintf(f, "%s", numtext);
12392 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12393 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12396 blank = linelen > 0 && movelen > 0;
12397 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12406 fprintf(f, "%s", move_buffer);
12407 linelen += movelen;
12409 /* [AS] Add PV info if present */
12410 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12411 /* [HGM] add time */
12412 char buf[MSG_SIZ]; int seconds;
12414 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12420 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12423 seconds = (seconds + 4)/10; // round to full seconds
12425 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12427 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12430 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12431 pvInfoList[i].score >= 0 ? "+" : "",
12432 pvInfoList[i].score / 100.0,
12433 pvInfoList[i].depth,
12436 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12438 /* Print score/depth */
12439 blank = linelen > 0 && movelen > 0;
12440 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12449 fprintf(f, "%s", move_buffer);
12450 linelen += movelen;
12456 /* Start a new line */
12457 if (linelen > 0) fprintf(f, "\n");
12459 /* Print comments after last move */
12460 if (commentList[i] != NULL) {
12461 fprintf(f, "%s\n", commentList[i]);
12465 if (gameInfo.resultDetails != NULL &&
12466 gameInfo.resultDetails[0] != NULLCHAR) {
12467 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12468 PGNResult(gameInfo.result));
12470 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12474 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12478 /* Save game in old style and close the file */
12480 SaveGameOldStyle(f)
12486 tm = time((time_t *) NULL);
12488 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12491 if (backwardMostMove > 0 || startedFromSetupPosition) {
12492 fprintf(f, "\n[--------------\n");
12493 PrintPosition(f, backwardMostMove);
12494 fprintf(f, "--------------]\n");
12499 i = backwardMostMove;
12500 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12502 while (i < forwardMostMove) {
12503 if (commentList[i] != NULL) {
12504 fprintf(f, "[%s]\n", commentList[i]);
12507 if ((i % 2) == 1) {
12508 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12511 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12513 if (commentList[i] != NULL) {
12517 if (i >= forwardMostMove) {
12521 fprintf(f, "%s\n", parseList[i]);
12526 if (commentList[i] != NULL) {
12527 fprintf(f, "[%s]\n", commentList[i]);
12530 /* This isn't really the old style, but it's close enough */
12531 if (gameInfo.resultDetails != NULL &&
12532 gameInfo.resultDetails[0] != NULLCHAR) {
12533 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12534 gameInfo.resultDetails);
12536 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12543 /* Save the current game to open file f and close the file */
12545 SaveGame(f, dummy, dummy2)
12550 if (gameMode == EditPosition) EditPositionDone(TRUE);
12551 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12552 if (appData.oldSaveStyle)
12553 return SaveGameOldStyle(f);
12555 return SaveGamePGN(f);
12558 /* Save the current position to the given file */
12560 SavePositionToFile(filename)
12566 if (strcmp(filename, "-") == 0) {
12567 return SavePosition(stdout, 0, NULL);
12569 f = fopen(filename, "a");
12571 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12572 DisplayError(buf, errno);
12575 safeStrCpy(buf, lastMsg, MSG_SIZ);
12576 DisplayMessage(_("Waiting for access to save file"), "");
12577 flock(fileno(f), LOCK_EX); // [HGM] lock
12578 DisplayMessage(_("Saving position"), "");
12579 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12580 SavePosition(f, 0, NULL);
12581 DisplayMessage(buf, "");
12587 /* Save the current position to the given open file and close the file */
12589 SavePosition(f, dummy, dummy2)
12597 if (gameMode == EditPosition) EditPositionDone(TRUE);
12598 if (appData.oldSaveStyle) {
12599 tm = time((time_t *) NULL);
12601 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12603 fprintf(f, "[--------------\n");
12604 PrintPosition(f, currentMove);
12605 fprintf(f, "--------------]\n");
12607 fen = PositionToFEN(currentMove, NULL);
12608 fprintf(f, "%s\n", fen);
12616 ReloadCmailMsgEvent(unregister)
12620 static char *inFilename = NULL;
12621 static char *outFilename;
12623 struct stat inbuf, outbuf;
12626 /* Any registered moves are unregistered if unregister is set, */
12627 /* i.e. invoked by the signal handler */
12629 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12630 cmailMoveRegistered[i] = FALSE;
12631 if (cmailCommentList[i] != NULL) {
12632 free(cmailCommentList[i]);
12633 cmailCommentList[i] = NULL;
12636 nCmailMovesRegistered = 0;
12639 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12640 cmailResult[i] = CMAIL_NOT_RESULT;
12644 if (inFilename == NULL) {
12645 /* Because the filenames are static they only get malloced once */
12646 /* and they never get freed */
12647 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12648 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12650 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12651 sprintf(outFilename, "%s.out", appData.cmailGameName);
12654 status = stat(outFilename, &outbuf);
12656 cmailMailedMove = FALSE;
12658 status = stat(inFilename, &inbuf);
12659 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12662 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12663 counts the games, notes how each one terminated, etc.
12665 It would be nice to remove this kludge and instead gather all
12666 the information while building the game list. (And to keep it
12667 in the game list nodes instead of having a bunch of fixed-size
12668 parallel arrays.) Note this will require getting each game's
12669 termination from the PGN tags, as the game list builder does
12670 not process the game moves. --mann
12672 cmailMsgLoaded = TRUE;
12673 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12675 /* Load first game in the file or popup game menu */
12676 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12678 #endif /* !WIN32 */
12686 char string[MSG_SIZ];
12688 if ( cmailMailedMove
12689 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12690 return TRUE; /* Allow free viewing */
12693 /* Unregister move to ensure that we don't leave RegisterMove */
12694 /* with the move registered when the conditions for registering no */
12696 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12697 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12698 nCmailMovesRegistered --;
12700 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12702 free(cmailCommentList[lastLoadGameNumber - 1]);
12703 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12707 if (cmailOldMove == -1) {
12708 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12712 if (currentMove > cmailOldMove + 1) {
12713 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12717 if (currentMove < cmailOldMove) {
12718 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12722 if (forwardMostMove > currentMove) {
12723 /* Silently truncate extra moves */
12727 if ( (currentMove == cmailOldMove + 1)
12728 || ( (currentMove == cmailOldMove)
12729 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12730 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12731 if (gameInfo.result != GameUnfinished) {
12732 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12735 if (commentList[currentMove] != NULL) {
12736 cmailCommentList[lastLoadGameNumber - 1]
12737 = StrSave(commentList[currentMove]);
12739 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12741 if (appData.debugMode)
12742 fprintf(debugFP, "Saving %s for game %d\n",
12743 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12745 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12747 f = fopen(string, "w");
12748 if (appData.oldSaveStyle) {
12749 SaveGameOldStyle(f); /* also closes the file */
12751 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12752 f = fopen(string, "w");
12753 SavePosition(f, 0, NULL); /* also closes the file */
12755 fprintf(f, "{--------------\n");
12756 PrintPosition(f, currentMove);
12757 fprintf(f, "--------------}\n\n");
12759 SaveGame(f, 0, NULL); /* also closes the file*/
12762 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12763 nCmailMovesRegistered ++;
12764 } else if (nCmailGames == 1) {
12765 DisplayError(_("You have not made a move yet"), 0);
12776 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12777 FILE *commandOutput;
12778 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12779 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12785 if (! cmailMsgLoaded) {
12786 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12790 if (nCmailGames == nCmailResults) {
12791 DisplayError(_("No unfinished games"), 0);
12795 #if CMAIL_PROHIBIT_REMAIL
12796 if (cmailMailedMove) {
12797 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);
12798 DisplayError(msg, 0);
12803 if (! (cmailMailedMove || RegisterMove())) return;
12805 if ( cmailMailedMove
12806 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12807 snprintf(string, MSG_SIZ, partCommandString,
12808 appData.debugMode ? " -v" : "", appData.cmailGameName);
12809 commandOutput = popen(string, "r");
12811 if (commandOutput == NULL) {
12812 DisplayError(_("Failed to invoke cmail"), 0);
12814 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12815 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12817 if (nBuffers > 1) {
12818 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12819 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12820 nBytes = MSG_SIZ - 1;
12822 (void) memcpy(msg, buffer, nBytes);
12824 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12826 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12827 cmailMailedMove = TRUE; /* Prevent >1 moves */
12830 for (i = 0; i < nCmailGames; i ++) {
12831 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12836 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12838 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12840 appData.cmailGameName,
12842 LoadGameFromFile(buffer, 1, buffer, FALSE);
12843 cmailMsgLoaded = FALSE;
12847 DisplayInformation(msg);
12848 pclose(commandOutput);
12851 if ((*cmailMsg) != '\0') {
12852 DisplayInformation(cmailMsg);
12857 #endif /* !WIN32 */
12866 int prependComma = 0;
12868 char string[MSG_SIZ]; /* Space for game-list */
12871 if (!cmailMsgLoaded) return "";
12873 if (cmailMailedMove) {
12874 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12876 /* Create a list of games left */
12877 snprintf(string, MSG_SIZ, "[");
12878 for (i = 0; i < nCmailGames; i ++) {
12879 if (! ( cmailMoveRegistered[i]
12880 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12881 if (prependComma) {
12882 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12884 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12888 strcat(string, number);
12891 strcat(string, "]");
12893 if (nCmailMovesRegistered + nCmailResults == 0) {
12894 switch (nCmailGames) {
12896 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12900 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12904 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12909 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12911 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12916 if (nCmailResults == nCmailGames) {
12917 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12919 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12924 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12936 if (gameMode == Training)
12937 SetTrainingModeOff();
12940 cmailMsgLoaded = FALSE;
12941 if (appData.icsActive) {
12942 SendToICS(ics_prefix);
12943 SendToICS("refresh\n");
12953 /* Give up on clean exit */
12957 /* Keep trying for clean exit */
12961 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12963 if (telnetISR != NULL) {
12964 RemoveInputSource(telnetISR);
12966 if (icsPR != NoProc) {
12967 DestroyChildProcess(icsPR, TRUE);
12970 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12971 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12973 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12974 /* make sure this other one finishes before killing it! */
12975 if(endingGame) { int count = 0;
12976 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12977 while(endingGame && count++ < 10) DoSleep(1);
12978 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12981 /* Kill off chess programs */
12982 if (first.pr != NoProc) {
12985 DoSleep( appData.delayBeforeQuit );
12986 SendToProgram("quit\n", &first);
12987 DoSleep( appData.delayAfterQuit );
12988 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12990 if (second.pr != NoProc) {
12991 DoSleep( appData.delayBeforeQuit );
12992 SendToProgram("quit\n", &second);
12993 DoSleep( appData.delayAfterQuit );
12994 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12996 if (first.isr != NULL) {
12997 RemoveInputSource(first.isr);
12999 if (second.isr != NULL) {
13000 RemoveInputSource(second.isr);
13003 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13004 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13006 ShutDownFrontEnd();
13013 if (appData.debugMode)
13014 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13018 if (gameMode == MachinePlaysWhite ||
13019 gameMode == MachinePlaysBlack) {
13022 DisplayBothClocks();
13024 if (gameMode == PlayFromGameFile) {
13025 if (appData.timeDelay >= 0)
13026 AutoPlayGameLoop();
13027 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13028 Reset(FALSE, TRUE);
13029 SendToICS(ics_prefix);
13030 SendToICS("refresh\n");
13031 } else if (currentMove < forwardMostMove) {
13032 ForwardInner(forwardMostMove);
13034 pauseExamInvalid = FALSE;
13036 switch (gameMode) {
13040 pauseExamForwardMostMove = forwardMostMove;
13041 pauseExamInvalid = FALSE;
13044 case IcsPlayingWhite:
13045 case IcsPlayingBlack:
13049 case PlayFromGameFile:
13050 (void) StopLoadGameTimer();
13054 case BeginningOfGame:
13055 if (appData.icsActive) return;
13056 /* else fall through */
13057 case MachinePlaysWhite:
13058 case MachinePlaysBlack:
13059 case TwoMachinesPlay:
13060 if (forwardMostMove == 0)
13061 return; /* don't pause if no one has moved */
13062 if ((gameMode == MachinePlaysWhite &&
13063 !WhiteOnMove(forwardMostMove)) ||
13064 (gameMode == MachinePlaysBlack &&
13065 WhiteOnMove(forwardMostMove))) {
13078 char title[MSG_SIZ];
13080 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13081 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13083 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13084 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13085 parseList[currentMove - 1]);
13088 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13095 char *tags = PGNTags(&gameInfo);
13097 EditTagsPopUp(tags, NULL);
13104 if (appData.noChessProgram || gameMode == AnalyzeMode)
13107 if (gameMode != AnalyzeFile) {
13108 if (!appData.icsEngineAnalyze) {
13110 if (gameMode != EditGame) return;
13112 ResurrectChessProgram();
13113 SendToProgram("analyze\n", &first);
13114 first.analyzing = TRUE;
13115 /*first.maybeThinking = TRUE;*/
13116 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13117 EngineOutputPopUp();
13119 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13124 StartAnalysisClock();
13125 GetTimeMark(&lastNodeCountTime);
13132 if (appData.noChessProgram || gameMode == AnalyzeFile)
13135 if (gameMode != AnalyzeMode) {
13137 if (gameMode != EditGame) return;
13138 ResurrectChessProgram();
13139 SendToProgram("analyze\n", &first);
13140 first.analyzing = TRUE;
13141 /*first.maybeThinking = TRUE;*/
13142 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13143 EngineOutputPopUp();
13145 gameMode = AnalyzeFile;
13150 StartAnalysisClock();
13151 GetTimeMark(&lastNodeCountTime);
13153 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13157 MachineWhiteEvent()
13160 char *bookHit = NULL;
13162 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13166 if (gameMode == PlayFromGameFile ||
13167 gameMode == TwoMachinesPlay ||
13168 gameMode == Training ||
13169 gameMode == AnalyzeMode ||
13170 gameMode == EndOfGame)
13173 if (gameMode == EditPosition)
13174 EditPositionDone(TRUE);
13176 if (!WhiteOnMove(currentMove)) {
13177 DisplayError(_("It is not White's turn"), 0);
13181 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13184 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13185 gameMode == AnalyzeFile)
13188 ResurrectChessProgram(); /* in case it isn't running */
13189 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13190 gameMode = MachinePlaysWhite;
13193 gameMode = MachinePlaysWhite;
13197 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13199 if (first.sendName) {
13200 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13201 SendToProgram(buf, &first);
13203 if (first.sendTime) {
13204 if (first.useColors) {
13205 SendToProgram("black\n", &first); /*gnu kludge*/
13207 SendTimeRemaining(&first, TRUE);
13209 if (first.useColors) {
13210 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13212 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13213 SetMachineThinkingEnables();
13214 first.maybeThinking = TRUE;
13218 if (appData.autoFlipView && !flipView) {
13219 flipView = !flipView;
13220 DrawPosition(FALSE, NULL);
13221 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13224 if(bookHit) { // [HGM] book: simulate book reply
13225 static char bookMove[MSG_SIZ]; // a bit generous?
13227 programStats.nodes = programStats.depth = programStats.time =
13228 programStats.score = programStats.got_only_move = 0;
13229 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13231 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13232 strcat(bookMove, bookHit);
13233 HandleMachineMove(bookMove, &first);
13238 MachineBlackEvent()
13241 char *bookHit = NULL;
13243 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13247 if (gameMode == PlayFromGameFile ||
13248 gameMode == TwoMachinesPlay ||
13249 gameMode == Training ||
13250 gameMode == AnalyzeMode ||
13251 gameMode == EndOfGame)
13254 if (gameMode == EditPosition)
13255 EditPositionDone(TRUE);
13257 if (WhiteOnMove(currentMove)) {
13258 DisplayError(_("It is not Black's turn"), 0);
13262 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13265 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13266 gameMode == AnalyzeFile)
13269 ResurrectChessProgram(); /* in case it isn't running */
13270 gameMode = MachinePlaysBlack;
13274 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13276 if (first.sendName) {
13277 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13278 SendToProgram(buf, &first);
13280 if (first.sendTime) {
13281 if (first.useColors) {
13282 SendToProgram("white\n", &first); /*gnu kludge*/
13284 SendTimeRemaining(&first, FALSE);
13286 if (first.useColors) {
13287 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13289 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13290 SetMachineThinkingEnables();
13291 first.maybeThinking = TRUE;
13294 if (appData.autoFlipView && flipView) {
13295 flipView = !flipView;
13296 DrawPosition(FALSE, NULL);
13297 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13299 if(bookHit) { // [HGM] book: simulate book reply
13300 static char bookMove[MSG_SIZ]; // a bit generous?
13302 programStats.nodes = programStats.depth = programStats.time =
13303 programStats.score = programStats.got_only_move = 0;
13304 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13306 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13307 strcat(bookMove, bookHit);
13308 HandleMachineMove(bookMove, &first);
13314 DisplayTwoMachinesTitle()
13317 if (appData.matchGames > 0) {
13318 if(appData.tourneyFile[0]) {
13319 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d/%d%s)"),
13320 gameInfo.white, gameInfo.black,
13321 nextGame+1, appData.matchGames+1,
13322 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13324 if (first.twoMachinesColor[0] == 'w') {
13325 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13326 gameInfo.white, gameInfo.black,
13327 first.matchWins, second.matchWins,
13328 matchGame - 1 - (first.matchWins + second.matchWins));
13330 snprintf(buf, MSG_SIZ, _("%s vs. %s (%d-%d-%d)"),
13331 gameInfo.white, gameInfo.black,
13332 second.matchWins, first.matchWins,
13333 matchGame - 1 - (first.matchWins + second.matchWins));
13336 snprintf(buf, MSG_SIZ, _("%s vs. %s"), gameInfo.white, gameInfo.black);
13342 SettingsMenuIfReady()
13344 if (second.lastPing != second.lastPong) {
13345 DisplayMessage("", _("Waiting for second chess program"));
13346 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13350 DisplayMessage("", "");
13351 SettingsPopUp(&second);
13355 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13358 if (cps->pr == NoProc) {
13359 StartChessProgram(cps);
13360 if (cps->protocolVersion == 1) {
13363 /* kludge: allow timeout for initial "feature" command */
13365 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13366 DisplayMessage("", buf);
13367 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13375 TwoMachinesEvent P((void))
13379 ChessProgramState *onmove;
13380 char *bookHit = NULL;
13381 static int stalling = 0;
13385 if (appData.noChessProgram) return;
13387 switch (gameMode) {
13388 case TwoMachinesPlay:
13390 case MachinePlaysWhite:
13391 case MachinePlaysBlack:
13392 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13393 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13397 case BeginningOfGame:
13398 case PlayFromGameFile:
13401 if (gameMode != EditGame) return;
13404 EditPositionDone(TRUE);
13415 // forwardMostMove = currentMove;
13416 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13418 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13420 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13421 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13422 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13426 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13427 SendToProgram("force\n", &second);
13429 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13432 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13433 if(appData.matchPause>10000 || appData.matchPause<10)
13434 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13435 wait = SubtractTimeMarks(&now, &pauseStart);
13436 if(wait < appData.matchPause) {
13437 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13441 DisplayMessage("", "");
13442 if (startedFromSetupPosition) {
13443 SendBoard(&second, backwardMostMove);
13444 if (appData.debugMode) {
13445 fprintf(debugFP, "Two Machines\n");
13448 for (i = backwardMostMove; i < forwardMostMove; i++) {
13449 SendMoveToProgram(i, &second);
13452 gameMode = TwoMachinesPlay;
13454 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13456 DisplayTwoMachinesTitle();
13458 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13463 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13464 SendToProgram(first.computerString, &first);
13465 if (first.sendName) {
13466 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13467 SendToProgram(buf, &first);
13469 SendToProgram(second.computerString, &second);
13470 if (second.sendName) {
13471 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13472 SendToProgram(buf, &second);
13476 if (!first.sendTime || !second.sendTime) {
13477 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13478 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13480 if (onmove->sendTime) {
13481 if (onmove->useColors) {
13482 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13484 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13486 if (onmove->useColors) {
13487 SendToProgram(onmove->twoMachinesColor, onmove);
13489 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13490 // SendToProgram("go\n", onmove);
13491 onmove->maybeThinking = TRUE;
13492 SetMachineThinkingEnables();
13496 if(bookHit) { // [HGM] book: simulate book reply
13497 static char bookMove[MSG_SIZ]; // a bit generous?
13499 programStats.nodes = programStats.depth = programStats.time =
13500 programStats.score = programStats.got_only_move = 0;
13501 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13503 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13504 strcat(bookMove, bookHit);
13505 savedMessage = bookMove; // args for deferred call
13506 savedState = onmove;
13507 ScheduleDelayedEvent(DeferredBookMove, 1);
13514 if (gameMode == Training) {
13515 SetTrainingModeOff();
13516 gameMode = PlayFromGameFile;
13517 DisplayMessage("", _("Training mode off"));
13519 gameMode = Training;
13520 animateTraining = appData.animate;
13522 /* make sure we are not already at the end of the game */
13523 if (currentMove < forwardMostMove) {
13524 SetTrainingModeOn();
13525 DisplayMessage("", _("Training mode on"));
13527 gameMode = PlayFromGameFile;
13528 DisplayError(_("Already at end of game"), 0);
13537 if (!appData.icsActive) return;
13538 switch (gameMode) {
13539 case IcsPlayingWhite:
13540 case IcsPlayingBlack:
13543 case BeginningOfGame:
13551 EditPositionDone(TRUE);
13564 gameMode = IcsIdle;
13575 switch (gameMode) {
13577 SetTrainingModeOff();
13579 case MachinePlaysWhite:
13580 case MachinePlaysBlack:
13581 case BeginningOfGame:
13582 SendToProgram("force\n", &first);
13583 SetUserThinkingEnables();
13585 case PlayFromGameFile:
13586 (void) StopLoadGameTimer();
13587 if (gameFileFP != NULL) {
13592 EditPositionDone(TRUE);
13597 SendToProgram("force\n", &first);
13599 case TwoMachinesPlay:
13600 GameEnds(EndOfFile, NULL, GE_PLAYER);
13601 ResurrectChessProgram();
13602 SetUserThinkingEnables();
13605 ResurrectChessProgram();
13607 case IcsPlayingBlack:
13608 case IcsPlayingWhite:
13609 DisplayError(_("Warning: You are still playing a game"), 0);
13612 DisplayError(_("Warning: You are still observing a game"), 0);
13615 DisplayError(_("Warning: You are still examining a game"), 0);
13626 first.offeredDraw = second.offeredDraw = 0;
13628 if (gameMode == PlayFromGameFile) {
13629 whiteTimeRemaining = timeRemaining[0][currentMove];
13630 blackTimeRemaining = timeRemaining[1][currentMove];
13634 if (gameMode == MachinePlaysWhite ||
13635 gameMode == MachinePlaysBlack ||
13636 gameMode == TwoMachinesPlay ||
13637 gameMode == EndOfGame) {
13638 i = forwardMostMove;
13639 while (i > currentMove) {
13640 SendToProgram("undo\n", &first);
13643 if(!adjustedClock) {
13644 whiteTimeRemaining = timeRemaining[0][currentMove];
13645 blackTimeRemaining = timeRemaining[1][currentMove];
13646 DisplayBothClocks();
13648 if (whiteFlag || blackFlag) {
13649 whiteFlag = blackFlag = 0;
13654 gameMode = EditGame;
13661 EditPositionEvent()
13663 if (gameMode == EditPosition) {
13669 if (gameMode != EditGame) return;
13671 gameMode = EditPosition;
13674 if (currentMove > 0)
13675 CopyBoard(boards[0], boards[currentMove]);
13677 blackPlaysFirst = !WhiteOnMove(currentMove);
13679 currentMove = forwardMostMove = backwardMostMove = 0;
13680 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13687 /* [DM] icsEngineAnalyze - possible call from other functions */
13688 if (appData.icsEngineAnalyze) {
13689 appData.icsEngineAnalyze = FALSE;
13691 DisplayMessage("",_("Close ICS engine analyze..."));
13693 if (first.analysisSupport && first.analyzing) {
13694 SendToProgram("exit\n", &first);
13695 first.analyzing = FALSE;
13697 thinkOutput[0] = NULLCHAR;
13701 EditPositionDone(Boolean fakeRights)
13703 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13705 startedFromSetupPosition = TRUE;
13706 InitChessProgram(&first, FALSE);
13707 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13708 boards[0][EP_STATUS] = EP_NONE;
13709 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13710 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13711 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13712 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13713 } else boards[0][CASTLING][2] = NoRights;
13714 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13715 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13716 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13717 } else boards[0][CASTLING][5] = NoRights;
13719 SendToProgram("force\n", &first);
13720 if (blackPlaysFirst) {
13721 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13722 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13723 currentMove = forwardMostMove = backwardMostMove = 1;
13724 CopyBoard(boards[1], boards[0]);
13726 currentMove = forwardMostMove = backwardMostMove = 0;
13728 SendBoard(&first, forwardMostMove);
13729 if (appData.debugMode) {
13730 fprintf(debugFP, "EditPosDone\n");
13733 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13734 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13735 gameMode = EditGame;
13737 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13738 ClearHighlights(); /* [AS] */
13741 /* Pause for `ms' milliseconds */
13742 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13752 } while (SubtractTimeMarks(&m2, &m1) < ms);
13755 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13757 SendMultiLineToICS(buf)
13760 char temp[MSG_SIZ+1], *p;
13767 strncpy(temp, buf, len);
13772 if (*p == '\n' || *p == '\r')
13777 strcat(temp, "\n");
13779 SendToPlayer(temp, strlen(temp));
13783 SetWhiteToPlayEvent()
13785 if (gameMode == EditPosition) {
13786 blackPlaysFirst = FALSE;
13787 DisplayBothClocks(); /* works because currentMove is 0 */
13788 } else if (gameMode == IcsExamining) {
13789 SendToICS(ics_prefix);
13790 SendToICS("tomove white\n");
13795 SetBlackToPlayEvent()
13797 if (gameMode == EditPosition) {
13798 blackPlaysFirst = TRUE;
13799 currentMove = 1; /* kludge */
13800 DisplayBothClocks();
13802 } else if (gameMode == IcsExamining) {
13803 SendToICS(ics_prefix);
13804 SendToICS("tomove black\n");
13809 EditPositionMenuEvent(selection, x, y)
13810 ChessSquare selection;
13814 ChessSquare piece = boards[0][y][x];
13816 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13818 switch (selection) {
13820 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13821 SendToICS(ics_prefix);
13822 SendToICS("bsetup clear\n");
13823 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13824 SendToICS(ics_prefix);
13825 SendToICS("clearboard\n");
13827 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13828 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13829 for (y = 0; y < BOARD_HEIGHT; y++) {
13830 if (gameMode == IcsExamining) {
13831 if (boards[currentMove][y][x] != EmptySquare) {
13832 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13837 boards[0][y][x] = p;
13842 if (gameMode == EditPosition) {
13843 DrawPosition(FALSE, boards[0]);
13848 SetWhiteToPlayEvent();
13852 SetBlackToPlayEvent();
13856 if (gameMode == IcsExamining) {
13857 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13858 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13861 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13862 if(x == BOARD_LEFT-2) {
13863 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13864 boards[0][y][1] = 0;
13866 if(x == BOARD_RGHT+1) {
13867 if(y >= gameInfo.holdingsSize) break;
13868 boards[0][y][BOARD_WIDTH-2] = 0;
13871 boards[0][y][x] = EmptySquare;
13872 DrawPosition(FALSE, boards[0]);
13877 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13878 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13879 selection = (ChessSquare) (PROMOTED piece);
13880 } else if(piece == EmptySquare) selection = WhiteSilver;
13881 else selection = (ChessSquare)((int)piece - 1);
13885 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13886 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13887 selection = (ChessSquare) (DEMOTED piece);
13888 } else if(piece == EmptySquare) selection = BlackSilver;
13889 else selection = (ChessSquare)((int)piece + 1);
13894 if(gameInfo.variant == VariantShatranj ||
13895 gameInfo.variant == VariantXiangqi ||
13896 gameInfo.variant == VariantCourier ||
13897 gameInfo.variant == VariantMakruk )
13898 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13903 if(gameInfo.variant == VariantXiangqi)
13904 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13905 if(gameInfo.variant == VariantKnightmate)
13906 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13909 if (gameMode == IcsExamining) {
13910 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13911 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13912 PieceToChar(selection), AAA + x, ONE + y);
13915 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13917 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13918 n = PieceToNumber(selection - BlackPawn);
13919 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13920 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13921 boards[0][BOARD_HEIGHT-1-n][1]++;
13923 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13924 n = PieceToNumber(selection);
13925 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13926 boards[0][n][BOARD_WIDTH-1] = selection;
13927 boards[0][n][BOARD_WIDTH-2]++;
13930 boards[0][y][x] = selection;
13931 DrawPosition(TRUE, boards[0]);
13939 DropMenuEvent(selection, x, y)
13940 ChessSquare selection;
13943 ChessMove moveType;
13945 switch (gameMode) {
13946 case IcsPlayingWhite:
13947 case MachinePlaysBlack:
13948 if (!WhiteOnMove(currentMove)) {
13949 DisplayMoveError(_("It is Black's turn"));
13952 moveType = WhiteDrop;
13954 case IcsPlayingBlack:
13955 case MachinePlaysWhite:
13956 if (WhiteOnMove(currentMove)) {
13957 DisplayMoveError(_("It is White's turn"));
13960 moveType = BlackDrop;
13963 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13969 if (moveType == BlackDrop && selection < BlackPawn) {
13970 selection = (ChessSquare) ((int) selection
13971 + (int) BlackPawn - (int) WhitePawn);
13973 if (boards[currentMove][y][x] != EmptySquare) {
13974 DisplayMoveError(_("That square is occupied"));
13978 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13984 /* Accept a pending offer of any kind from opponent */
13986 if (appData.icsActive) {
13987 SendToICS(ics_prefix);
13988 SendToICS("accept\n");
13989 } else if (cmailMsgLoaded) {
13990 if (currentMove == cmailOldMove &&
13991 commentList[cmailOldMove] != NULL &&
13992 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13993 "Black offers a draw" : "White offers a draw")) {
13995 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13996 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13998 DisplayError(_("There is no pending offer on this move"), 0);
13999 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14002 /* Not used for offers from chess program */
14009 /* Decline a pending offer of any kind from opponent */
14011 if (appData.icsActive) {
14012 SendToICS(ics_prefix);
14013 SendToICS("decline\n");
14014 } else if (cmailMsgLoaded) {
14015 if (currentMove == cmailOldMove &&
14016 commentList[cmailOldMove] != NULL &&
14017 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14018 "Black offers a draw" : "White offers a draw")) {
14020 AppendComment(cmailOldMove, "Draw declined", TRUE);
14021 DisplayComment(cmailOldMove - 1, "Draw declined");
14024 DisplayError(_("There is no pending offer on this move"), 0);
14027 /* Not used for offers from chess program */
14034 /* Issue ICS rematch command */
14035 if (appData.icsActive) {
14036 SendToICS(ics_prefix);
14037 SendToICS("rematch\n");
14044 /* Call your opponent's flag (claim a win on time) */
14045 if (appData.icsActive) {
14046 SendToICS(ics_prefix);
14047 SendToICS("flag\n");
14049 switch (gameMode) {
14052 case MachinePlaysWhite:
14055 GameEnds(GameIsDrawn, "Both players ran out of time",
14058 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14060 DisplayError(_("Your opponent is not out of time"), 0);
14063 case MachinePlaysBlack:
14066 GameEnds(GameIsDrawn, "Both players ran out of time",
14069 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14071 DisplayError(_("Your opponent is not out of time"), 0);
14079 ClockClick(int which)
14080 { // [HGM] code moved to back-end from winboard.c
14081 if(which) { // black clock
14082 if (gameMode == EditPosition || gameMode == IcsExamining) {
14083 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14084 SetBlackToPlayEvent();
14085 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14086 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14087 } else if (shiftKey) {
14088 AdjustClock(which, -1);
14089 } else if (gameMode == IcsPlayingWhite ||
14090 gameMode == MachinePlaysBlack) {
14093 } else { // white clock
14094 if (gameMode == EditPosition || gameMode == IcsExamining) {
14095 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14096 SetWhiteToPlayEvent();
14097 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14098 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14099 } else if (shiftKey) {
14100 AdjustClock(which, -1);
14101 } else if (gameMode == IcsPlayingBlack ||
14102 gameMode == MachinePlaysWhite) {
14111 /* Offer draw or accept pending draw offer from opponent */
14113 if (appData.icsActive) {
14114 /* Note: tournament rules require draw offers to be
14115 made after you make your move but before you punch
14116 your clock. Currently ICS doesn't let you do that;
14117 instead, you immediately punch your clock after making
14118 a move, but you can offer a draw at any time. */
14120 SendToICS(ics_prefix);
14121 SendToICS("draw\n");
14122 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14123 } else if (cmailMsgLoaded) {
14124 if (currentMove == cmailOldMove &&
14125 commentList[cmailOldMove] != NULL &&
14126 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14127 "Black offers a draw" : "White offers a draw")) {
14128 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14129 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14130 } else if (currentMove == cmailOldMove + 1) {
14131 char *offer = WhiteOnMove(cmailOldMove) ?
14132 "White offers a draw" : "Black offers a draw";
14133 AppendComment(currentMove, offer, TRUE);
14134 DisplayComment(currentMove - 1, offer);
14135 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14137 DisplayError(_("You must make your move before offering a draw"), 0);
14138 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14140 } else if (first.offeredDraw) {
14141 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14143 if (first.sendDrawOffers) {
14144 SendToProgram("draw\n", &first);
14145 userOfferedDraw = TRUE;
14153 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14155 if (appData.icsActive) {
14156 SendToICS(ics_prefix);
14157 SendToICS("adjourn\n");
14159 /* Currently GNU Chess doesn't offer or accept Adjourns */
14167 /* Offer Abort or accept pending Abort offer from opponent */
14169 if (appData.icsActive) {
14170 SendToICS(ics_prefix);
14171 SendToICS("abort\n");
14173 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14180 /* Resign. You can do this even if it's not your turn. */
14182 if (appData.icsActive) {
14183 SendToICS(ics_prefix);
14184 SendToICS("resign\n");
14186 switch (gameMode) {
14187 case MachinePlaysWhite:
14188 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14190 case MachinePlaysBlack:
14191 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14194 if (cmailMsgLoaded) {
14196 if (WhiteOnMove(cmailOldMove)) {
14197 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14199 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14201 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14212 StopObservingEvent()
14214 /* Stop observing current games */
14215 SendToICS(ics_prefix);
14216 SendToICS("unobserve\n");
14220 StopExaminingEvent()
14222 /* Stop observing current game */
14223 SendToICS(ics_prefix);
14224 SendToICS("unexamine\n");
14228 ForwardInner(target)
14233 if (appData.debugMode)
14234 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14235 target, currentMove, forwardMostMove);
14237 if (gameMode == EditPosition)
14240 MarkTargetSquares(1);
14242 if (gameMode == PlayFromGameFile && !pausing)
14245 if (gameMode == IcsExamining && pausing)
14246 limit = pauseExamForwardMostMove;
14248 limit = forwardMostMove;
14250 if (target > limit) target = limit;
14252 if (target > 0 && moveList[target - 1][0]) {
14253 int fromX, fromY, toX, toY;
14254 toX = moveList[target - 1][2] - AAA;
14255 toY = moveList[target - 1][3] - ONE;
14256 if (moveList[target - 1][1] == '@') {
14257 if (appData.highlightLastMove) {
14258 SetHighlights(-1, -1, toX, toY);
14261 fromX = moveList[target - 1][0] - AAA;
14262 fromY = moveList[target - 1][1] - ONE;
14263 if (target == currentMove + 1) {
14264 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14266 if (appData.highlightLastMove) {
14267 SetHighlights(fromX, fromY, toX, toY);
14271 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14272 gameMode == Training || gameMode == PlayFromGameFile ||
14273 gameMode == AnalyzeFile) {
14274 while (currentMove < target) {
14275 SendMoveToProgram(currentMove++, &first);
14278 currentMove = target;
14281 if (gameMode == EditGame || gameMode == EndOfGame) {
14282 whiteTimeRemaining = timeRemaining[0][currentMove];
14283 blackTimeRemaining = timeRemaining[1][currentMove];
14285 DisplayBothClocks();
14286 DisplayMove(currentMove - 1);
14287 DrawPosition(FALSE, boards[currentMove]);
14288 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14289 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14290 DisplayComment(currentMove - 1, commentList[currentMove]);
14298 if (gameMode == IcsExamining && !pausing) {
14299 SendToICS(ics_prefix);
14300 SendToICS("forward\n");
14302 ForwardInner(currentMove + 1);
14309 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14310 /* to optimze, we temporarily turn off analysis mode while we feed
14311 * the remaining moves to the engine. Otherwise we get analysis output
14314 if (first.analysisSupport) {
14315 SendToProgram("exit\nforce\n", &first);
14316 first.analyzing = FALSE;
14320 if (gameMode == IcsExamining && !pausing) {
14321 SendToICS(ics_prefix);
14322 SendToICS("forward 999999\n");
14324 ForwardInner(forwardMostMove);
14327 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14328 /* we have fed all the moves, so reactivate analysis mode */
14329 SendToProgram("analyze\n", &first);
14330 first.analyzing = TRUE;
14331 /*first.maybeThinking = TRUE;*/
14332 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14337 BackwardInner(target)
14340 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14342 if (appData.debugMode)
14343 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14344 target, currentMove, forwardMostMove);
14346 if (gameMode == EditPosition) return;
14347 MarkTargetSquares(1);
14348 if (currentMove <= backwardMostMove) {
14350 DrawPosition(full_redraw, boards[currentMove]);
14353 if (gameMode == PlayFromGameFile && !pausing)
14356 if (moveList[target][0]) {
14357 int fromX, fromY, toX, toY;
14358 toX = moveList[target][2] - AAA;
14359 toY = moveList[target][3] - ONE;
14360 if (moveList[target][1] == '@') {
14361 if (appData.highlightLastMove) {
14362 SetHighlights(-1, -1, toX, toY);
14365 fromX = moveList[target][0] - AAA;
14366 fromY = moveList[target][1] - ONE;
14367 if (target == currentMove - 1) {
14368 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14370 if (appData.highlightLastMove) {
14371 SetHighlights(fromX, fromY, toX, toY);
14375 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14376 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14377 while (currentMove > target) {
14378 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14379 // null move cannot be undone. Reload program with move history before it.
14381 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14382 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14384 SendBoard(&first, i);
14385 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14388 SendToProgram("undo\n", &first);
14392 currentMove = target;
14395 if (gameMode == EditGame || gameMode == EndOfGame) {
14396 whiteTimeRemaining = timeRemaining[0][currentMove];
14397 blackTimeRemaining = timeRemaining[1][currentMove];
14399 DisplayBothClocks();
14400 DisplayMove(currentMove - 1);
14401 DrawPosition(full_redraw, boards[currentMove]);
14402 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14403 // [HGM] PV info: routine tests if comment empty
14404 DisplayComment(currentMove - 1, commentList[currentMove]);
14410 if (gameMode == IcsExamining && !pausing) {
14411 SendToICS(ics_prefix);
14412 SendToICS("backward\n");
14414 BackwardInner(currentMove - 1);
14421 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14422 /* to optimize, we temporarily turn off analysis mode while we undo
14423 * all the moves. Otherwise we get analysis output after each undo.
14425 if (first.analysisSupport) {
14426 SendToProgram("exit\nforce\n", &first);
14427 first.analyzing = FALSE;
14431 if (gameMode == IcsExamining && !pausing) {
14432 SendToICS(ics_prefix);
14433 SendToICS("backward 999999\n");
14435 BackwardInner(backwardMostMove);
14438 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14439 /* we have fed all the moves, so reactivate analysis mode */
14440 SendToProgram("analyze\n", &first);
14441 first.analyzing = TRUE;
14442 /*first.maybeThinking = TRUE;*/
14443 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14450 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14451 if (to >= forwardMostMove) to = forwardMostMove;
14452 if (to <= backwardMostMove) to = backwardMostMove;
14453 if (to < currentMove) {
14461 RevertEvent(Boolean annotate)
14463 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14466 if (gameMode != IcsExamining) {
14467 DisplayError(_("You are not examining a game"), 0);
14471 DisplayError(_("You can't revert while pausing"), 0);
14474 SendToICS(ics_prefix);
14475 SendToICS("revert\n");
14481 switch (gameMode) {
14482 case MachinePlaysWhite:
14483 case MachinePlaysBlack:
14484 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14485 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14488 if (forwardMostMove < 2) return;
14489 currentMove = forwardMostMove = forwardMostMove - 2;
14490 whiteTimeRemaining = timeRemaining[0][currentMove];
14491 blackTimeRemaining = timeRemaining[1][currentMove];
14492 DisplayBothClocks();
14493 DisplayMove(currentMove - 1);
14494 ClearHighlights();/*!! could figure this out*/
14495 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14496 SendToProgram("remove\n", &first);
14497 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14500 case BeginningOfGame:
14504 case IcsPlayingWhite:
14505 case IcsPlayingBlack:
14506 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14507 SendToICS(ics_prefix);
14508 SendToICS("takeback 2\n");
14510 SendToICS(ics_prefix);
14511 SendToICS("takeback 1\n");
14520 ChessProgramState *cps;
14522 switch (gameMode) {
14523 case MachinePlaysWhite:
14524 if (!WhiteOnMove(forwardMostMove)) {
14525 DisplayError(_("It is your turn"), 0);
14530 case MachinePlaysBlack:
14531 if (WhiteOnMove(forwardMostMove)) {
14532 DisplayError(_("It is your turn"), 0);
14537 case TwoMachinesPlay:
14538 if (WhiteOnMove(forwardMostMove) ==
14539 (first.twoMachinesColor[0] == 'w')) {
14545 case BeginningOfGame:
14549 SendToProgram("?\n", cps);
14553 TruncateGameEvent()
14556 if (gameMode != EditGame) return;
14563 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14564 if (forwardMostMove > currentMove) {
14565 if (gameInfo.resultDetails != NULL) {
14566 free(gameInfo.resultDetails);
14567 gameInfo.resultDetails = NULL;
14568 gameInfo.result = GameUnfinished;
14570 forwardMostMove = currentMove;
14571 HistorySet(parseList, backwardMostMove, forwardMostMove,
14579 if (appData.noChessProgram) return;
14580 switch (gameMode) {
14581 case MachinePlaysWhite:
14582 if (WhiteOnMove(forwardMostMove)) {
14583 DisplayError(_("Wait until your turn"), 0);
14587 case BeginningOfGame:
14588 case MachinePlaysBlack:
14589 if (!WhiteOnMove(forwardMostMove)) {
14590 DisplayError(_("Wait until your turn"), 0);
14595 DisplayError(_("No hint available"), 0);
14598 SendToProgram("hint\n", &first);
14599 hintRequested = TRUE;
14605 if (appData.noChessProgram) return;
14606 switch (gameMode) {
14607 case MachinePlaysWhite:
14608 if (WhiteOnMove(forwardMostMove)) {
14609 DisplayError(_("Wait until your turn"), 0);
14613 case BeginningOfGame:
14614 case MachinePlaysBlack:
14615 if (!WhiteOnMove(forwardMostMove)) {
14616 DisplayError(_("Wait until your turn"), 0);
14621 EditPositionDone(TRUE);
14623 case TwoMachinesPlay:
14628 SendToProgram("bk\n", &first);
14629 bookOutput[0] = NULLCHAR;
14630 bookRequested = TRUE;
14636 char *tags = PGNTags(&gameInfo);
14637 TagsPopUp(tags, CmailMsg());
14641 /* end button procedures */
14644 PrintPosition(fp, move)
14650 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14651 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14652 char c = PieceToChar(boards[move][i][j]);
14653 fputc(c == 'x' ? '.' : c, fp);
14654 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14657 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14658 fprintf(fp, "white to play\n");
14660 fprintf(fp, "black to play\n");
14667 if (gameInfo.white != NULL) {
14668 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14674 /* Find last component of program's own name, using some heuristics */
14676 TidyProgramName(prog, host, buf)
14677 char *prog, *host, buf[MSG_SIZ];
14680 int local = (strcmp(host, "localhost") == 0);
14681 while (!local && (p = strchr(prog, ';')) != NULL) {
14683 while (*p == ' ') p++;
14686 if (*prog == '"' || *prog == '\'') {
14687 q = strchr(prog + 1, *prog);
14689 q = strchr(prog, ' ');
14691 if (q == NULL) q = prog + strlen(prog);
14693 while (p >= prog && *p != '/' && *p != '\\') p--;
14695 if(p == prog && *p == '"') p++;
14696 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14697 memcpy(buf, p, q - p);
14698 buf[q - p] = NULLCHAR;
14706 TimeControlTagValue()
14709 if (!appData.clockMode) {
14710 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14711 } else if (movesPerSession > 0) {
14712 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14713 } else if (timeIncrement == 0) {
14714 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14716 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14718 return StrSave(buf);
14724 /* This routine is used only for certain modes */
14725 VariantClass v = gameInfo.variant;
14726 ChessMove r = GameUnfinished;
14729 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14730 r = gameInfo.result;
14731 p = gameInfo.resultDetails;
14732 gameInfo.resultDetails = NULL;
14734 ClearGameInfo(&gameInfo);
14735 gameInfo.variant = v;
14737 switch (gameMode) {
14738 case MachinePlaysWhite:
14739 gameInfo.event = StrSave( appData.pgnEventHeader );
14740 gameInfo.site = StrSave(HostName());
14741 gameInfo.date = PGNDate();
14742 gameInfo.round = StrSave("-");
14743 gameInfo.white = StrSave(first.tidy);
14744 gameInfo.black = StrSave(UserName());
14745 gameInfo.timeControl = TimeControlTagValue();
14748 case MachinePlaysBlack:
14749 gameInfo.event = StrSave( appData.pgnEventHeader );
14750 gameInfo.site = StrSave(HostName());
14751 gameInfo.date = PGNDate();
14752 gameInfo.round = StrSave("-");
14753 gameInfo.white = StrSave(UserName());
14754 gameInfo.black = StrSave(first.tidy);
14755 gameInfo.timeControl = TimeControlTagValue();
14758 case TwoMachinesPlay:
14759 gameInfo.event = StrSave( appData.pgnEventHeader );
14760 gameInfo.site = StrSave(HostName());
14761 gameInfo.date = PGNDate();
14764 snprintf(buf, MSG_SIZ, "%d", roundNr);
14765 gameInfo.round = StrSave(buf);
14767 gameInfo.round = StrSave("-");
14769 if (first.twoMachinesColor[0] == 'w') {
14770 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14771 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14773 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14774 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14776 gameInfo.timeControl = TimeControlTagValue();
14780 gameInfo.event = StrSave("Edited game");
14781 gameInfo.site = StrSave(HostName());
14782 gameInfo.date = PGNDate();
14783 gameInfo.round = StrSave("-");
14784 gameInfo.white = StrSave("-");
14785 gameInfo.black = StrSave("-");
14786 gameInfo.result = r;
14787 gameInfo.resultDetails = p;
14791 gameInfo.event = StrSave("Edited position");
14792 gameInfo.site = StrSave(HostName());
14793 gameInfo.date = PGNDate();
14794 gameInfo.round = StrSave("-");
14795 gameInfo.white = StrSave("-");
14796 gameInfo.black = StrSave("-");
14799 case IcsPlayingWhite:
14800 case IcsPlayingBlack:
14805 case PlayFromGameFile:
14806 gameInfo.event = StrSave("Game from non-PGN file");
14807 gameInfo.site = StrSave(HostName());
14808 gameInfo.date = PGNDate();
14809 gameInfo.round = StrSave("-");
14810 gameInfo.white = StrSave("?");
14811 gameInfo.black = StrSave("?");
14820 ReplaceComment(index, text)
14828 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14829 pvInfoList[index-1].depth == len &&
14830 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14831 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14832 while (*text == '\n') text++;
14833 len = strlen(text);
14834 while (len > 0 && text[len - 1] == '\n') len--;
14836 if (commentList[index] != NULL)
14837 free(commentList[index]);
14840 commentList[index] = NULL;
14843 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14844 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14845 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14846 commentList[index] = (char *) malloc(len + 2);
14847 strncpy(commentList[index], text, len);
14848 commentList[index][len] = '\n';
14849 commentList[index][len + 1] = NULLCHAR;
14851 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14853 commentList[index] = (char *) malloc(len + 7);
14854 safeStrCpy(commentList[index], "{\n", 3);
14855 safeStrCpy(commentList[index]+2, text, len+1);
14856 commentList[index][len+2] = NULLCHAR;
14857 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14858 strcat(commentList[index], "\n}\n");
14872 if (ch == '\r') continue;
14874 } while (ch != '\0');
14878 AppendComment(index, text, addBraces)
14881 Boolean addBraces; // [HGM] braces: tells if we should add {}
14886 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14887 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14890 while (*text == '\n') text++;
14891 len = strlen(text);
14892 while (len > 0 && text[len - 1] == '\n') len--;
14894 if (len == 0) return;
14896 if (commentList[index] != NULL) {
14897 Boolean addClosingBrace = addBraces;
14898 old = commentList[index];
14899 oldlen = strlen(old);
14900 while(commentList[index][oldlen-1] == '\n')
14901 commentList[index][--oldlen] = NULLCHAR;
14902 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14903 safeStrCpy(commentList[index], old, oldlen + len + 6);
14905 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14906 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14907 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14908 while (*text == '\n') { text++; len--; }
14909 commentList[index][--oldlen] = NULLCHAR;
14911 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14912 else strcat(commentList[index], "\n");
14913 strcat(commentList[index], text);
14914 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14915 else strcat(commentList[index], "\n");
14917 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14919 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14920 else commentList[index][0] = NULLCHAR;
14921 strcat(commentList[index], text);
14922 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14923 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14927 static char * FindStr( char * text, char * sub_text )
14929 char * result = strstr( text, sub_text );
14931 if( result != NULL ) {
14932 result += strlen( sub_text );
14938 /* [AS] Try to extract PV info from PGN comment */
14939 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14940 char *GetInfoFromComment( int index, char * text )
14942 char * sep = text, *p;
14944 if( text != NULL && index > 0 ) {
14947 int time = -1, sec = 0, deci;
14948 char * s_eval = FindStr( text, "[%eval " );
14949 char * s_emt = FindStr( text, "[%emt " );
14951 if( s_eval != NULL || s_emt != NULL ) {
14955 if( s_eval != NULL ) {
14956 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14960 if( delim != ']' ) {
14965 if( s_emt != NULL ) {
14970 /* We expect something like: [+|-]nnn.nn/dd */
14973 if(*text != '{') return text; // [HGM] braces: must be normal comment
14975 sep = strchr( text, '/' );
14976 if( sep == NULL || sep < (text+4) ) {
14981 if(p[1] == '(') { // comment starts with PV
14982 p = strchr(p, ')'); // locate end of PV
14983 if(p == NULL || sep < p+5) return text;
14984 // at this point we have something like "{(.*) +0.23/6 ..."
14985 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14986 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14987 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14989 time = -1; sec = -1; deci = -1;
14990 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14991 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14992 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14993 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14997 if( score_lo < 0 || score_lo >= 100 ) {
15001 if(sec >= 0) time = 600*time + 10*sec; else
15002 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15004 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15006 /* [HGM] PV time: now locate end of PV info */
15007 while( *++sep >= '0' && *sep <= '9'); // strip depth
15009 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15011 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15013 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15014 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15025 pvInfoList[index-1].depth = depth;
15026 pvInfoList[index-1].score = score;
15027 pvInfoList[index-1].time = 10*time; // centi-sec
15028 if(*sep == '}') *sep = 0; else *--sep = '{';
15029 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15035 SendToProgram(message, cps)
15037 ChessProgramState *cps;
15039 int count, outCount, error;
15042 if (cps->pr == NoProc) return;
15045 if (appData.debugMode) {
15048 fprintf(debugFP, "%ld >%-6s: %s",
15049 SubtractTimeMarks(&now, &programStartTime),
15050 cps->which, message);
15053 count = strlen(message);
15054 outCount = OutputToProcess(cps->pr, message, count, &error);
15055 if (outCount < count && !exiting
15056 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15057 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15058 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15059 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15060 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15061 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15062 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15063 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15065 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15066 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15067 gameInfo.result = res;
15069 gameInfo.resultDetails = StrSave(buf);
15071 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15072 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15077 ReceiveFromProgram(isr, closure, message, count, error)
15078 InputSourceRef isr;
15086 ChessProgramState *cps = (ChessProgramState *)closure;
15088 if (isr != cps->isr) return; /* Killed intentionally */
15091 RemoveInputSource(cps->isr);
15092 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15093 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15094 _(cps->which), cps->program);
15095 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15096 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15097 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15098 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15099 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15101 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15102 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15103 gameInfo.result = res;
15105 gameInfo.resultDetails = StrSave(buf);
15107 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15108 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15110 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15111 _(cps->which), cps->program);
15112 RemoveInputSource(cps->isr);
15114 /* [AS] Program is misbehaving badly... kill it */
15115 if( count == -2 ) {
15116 DestroyChildProcess( cps->pr, 9 );
15120 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15125 if ((end_str = strchr(message, '\r')) != NULL)
15126 *end_str = NULLCHAR;
15127 if ((end_str = strchr(message, '\n')) != NULL)
15128 *end_str = NULLCHAR;
15130 if (appData.debugMode) {
15131 TimeMark now; int print = 1;
15132 char *quote = ""; char c; int i;
15134 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15135 char start = message[0];
15136 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15137 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15138 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15139 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15140 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15141 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15142 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15143 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15144 sscanf(message, "hint: %c", &c)!=1 &&
15145 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15146 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15147 print = (appData.engineComments >= 2);
15149 message[0] = start; // restore original message
15153 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15154 SubtractTimeMarks(&now, &programStartTime), cps->which,
15160 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15161 if (appData.icsEngineAnalyze) {
15162 if (strstr(message, "whisper") != NULL ||
15163 strstr(message, "kibitz") != NULL ||
15164 strstr(message, "tellics") != NULL) return;
15167 HandleMachineMove(message, cps);
15172 SendTimeControl(cps, mps, tc, inc, sd, st)
15173 ChessProgramState *cps;
15174 int mps, inc, sd, st;
15180 if( timeControl_2 > 0 ) {
15181 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15182 tc = timeControl_2;
15185 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15186 inc /= cps->timeOdds;
15187 st /= cps->timeOdds;
15189 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15192 /* Set exact time per move, normally using st command */
15193 if (cps->stKludge) {
15194 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15196 if (seconds == 0) {
15197 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15199 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15202 snprintf(buf, MSG_SIZ, "st %d\n", st);
15205 /* Set conventional or incremental time control, using level command */
15206 if (seconds == 0) {
15207 /* Note old gnuchess bug -- minutes:seconds used to not work.
15208 Fixed in later versions, but still avoid :seconds
15209 when seconds is 0. */
15210 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15212 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15213 seconds, inc/1000.);
15216 SendToProgram(buf, cps);
15218 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15219 /* Orthogonally, limit search to given depth */
15221 if (cps->sdKludge) {
15222 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15224 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15226 SendToProgram(buf, cps);
15229 if(cps->nps >= 0) { /* [HGM] nps */
15230 if(cps->supportsNPS == FALSE)
15231 cps->nps = -1; // don't use if engine explicitly says not supported!
15233 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15234 SendToProgram(buf, cps);
15239 ChessProgramState *WhitePlayer()
15240 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15242 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15243 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15249 SendTimeRemaining(cps, machineWhite)
15250 ChessProgramState *cps;
15251 int /*boolean*/ machineWhite;
15253 char message[MSG_SIZ];
15256 /* Note: this routine must be called when the clocks are stopped
15257 or when they have *just* been set or switched; otherwise
15258 it will be off by the time since the current tick started.
15260 if (machineWhite) {
15261 time = whiteTimeRemaining / 10;
15262 otime = blackTimeRemaining / 10;
15264 time = blackTimeRemaining / 10;
15265 otime = whiteTimeRemaining / 10;
15267 /* [HGM] translate opponent's time by time-odds factor */
15268 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15269 if (appData.debugMode) {
15270 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15273 if (time <= 0) time = 1;
15274 if (otime <= 0) otime = 1;
15276 snprintf(message, MSG_SIZ, "time %ld\n", time);
15277 SendToProgram(message, cps);
15279 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15280 SendToProgram(message, cps);
15284 BoolFeature(p, name, loc, cps)
15288 ChessProgramState *cps;
15291 int len = strlen(name);
15294 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15296 sscanf(*p, "%d", &val);
15298 while (**p && **p != ' ')
15300 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15301 SendToProgram(buf, cps);
15308 IntFeature(p, name, loc, cps)
15312 ChessProgramState *cps;
15315 int len = strlen(name);
15316 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15318 sscanf(*p, "%d", loc);
15319 while (**p && **p != ' ') (*p)++;
15320 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15321 SendToProgram(buf, cps);
15328 StringFeature(p, name, loc, cps)
15332 ChessProgramState *cps;
15335 int len = strlen(name);
15336 if (strncmp((*p), name, len) == 0
15337 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15339 sscanf(*p, "%[^\"]", loc);
15340 while (**p && **p != '\"') (*p)++;
15341 if (**p == '\"') (*p)++;
15342 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15343 SendToProgram(buf, cps);
15350 ParseOption(Option *opt, ChessProgramState *cps)
15351 // [HGM] options: process the string that defines an engine option, and determine
15352 // name, type, default value, and allowed value range
15354 char *p, *q, buf[MSG_SIZ];
15355 int n, min = (-1)<<31, max = 1<<31, def;
15357 if(p = strstr(opt->name, " -spin ")) {
15358 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15359 if(max < min) max = min; // enforce consistency
15360 if(def < min) def = min;
15361 if(def > max) def = max;
15366 } else if((p = strstr(opt->name, " -slider "))) {
15367 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15368 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15369 if(max < min) max = min; // enforce consistency
15370 if(def < min) def = min;
15371 if(def > max) def = max;
15375 opt->type = Spin; // Slider;
15376 } else if((p = strstr(opt->name, " -string "))) {
15377 opt->textValue = p+9;
15378 opt->type = TextBox;
15379 } else if((p = strstr(opt->name, " -file "))) {
15380 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15381 opt->textValue = p+7;
15382 opt->type = FileName; // FileName;
15383 } else if((p = strstr(opt->name, " -path "))) {
15384 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15385 opt->textValue = p+7;
15386 opt->type = PathName; // PathName;
15387 } else if(p = strstr(opt->name, " -check ")) {
15388 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15389 opt->value = (def != 0);
15390 opt->type = CheckBox;
15391 } else if(p = strstr(opt->name, " -combo ")) {
15392 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15393 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15394 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15395 opt->value = n = 0;
15396 while(q = StrStr(q, " /// ")) {
15397 n++; *q = 0; // count choices, and null-terminate each of them
15399 if(*q == '*') { // remember default, which is marked with * prefix
15403 cps->comboList[cps->comboCnt++] = q;
15405 cps->comboList[cps->comboCnt++] = NULL;
15407 opt->type = ComboBox;
15408 } else if(p = strstr(opt->name, " -button")) {
15409 opt->type = Button;
15410 } else if(p = strstr(opt->name, " -save")) {
15411 opt->type = SaveButton;
15412 } else return FALSE;
15413 *p = 0; // terminate option name
15414 // now look if the command-line options define a setting for this engine option.
15415 if(cps->optionSettings && cps->optionSettings[0])
15416 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15417 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15418 snprintf(buf, MSG_SIZ, "option %s", p);
15419 if(p = strstr(buf, ",")) *p = 0;
15420 if(q = strchr(buf, '=')) switch(opt->type) {
15422 for(n=0; n<opt->max; n++)
15423 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15426 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15430 opt->value = atoi(q+1);
15435 SendToProgram(buf, cps);
15441 FeatureDone(cps, val)
15442 ChessProgramState* cps;
15445 DelayedEventCallback cb = GetDelayedEvent();
15446 if ((cb == InitBackEnd3 && cps == &first) ||
15447 (cb == SettingsMenuIfReady && cps == &second) ||
15448 (cb == LoadEngine) ||
15449 (cb == TwoMachinesEventIfReady)) {
15450 CancelDelayedEvent();
15451 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15453 cps->initDone = val;
15456 /* Parse feature command from engine */
15458 ParseFeatures(args, cps)
15460 ChessProgramState *cps;
15468 while (*p == ' ') p++;
15469 if (*p == NULLCHAR) return;
15471 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15472 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15473 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15474 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15475 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15476 if (BoolFeature(&p, "reuse", &val, cps)) {
15477 /* Engine can disable reuse, but can't enable it if user said no */
15478 if (!val) cps->reuse = FALSE;
15481 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15482 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15483 if (gameMode == TwoMachinesPlay) {
15484 DisplayTwoMachinesTitle();
15490 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15491 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15492 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15493 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15494 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15495 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15496 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15497 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15498 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15499 if (IntFeature(&p, "done", &val, cps)) {
15500 FeatureDone(cps, val);
15503 /* Added by Tord: */
15504 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15505 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15506 /* End of additions by Tord */
15508 /* [HGM] added features: */
15509 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15510 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15511 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15512 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15513 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15514 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15515 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15516 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15517 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15518 SendToProgram(buf, cps);
15521 if(cps->nrOptions >= MAX_OPTIONS) {
15523 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15524 DisplayError(buf, 0);
15528 /* End of additions by HGM */
15530 /* unknown feature: complain and skip */
15532 while (*q && *q != '=') q++;
15533 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15534 SendToProgram(buf, cps);
15540 while (*p && *p != '\"') p++;
15541 if (*p == '\"') p++;
15543 while (*p && *p != ' ') p++;
15551 PeriodicUpdatesEvent(newState)
15554 if (newState == appData.periodicUpdates)
15557 appData.periodicUpdates=newState;
15559 /* Display type changes, so update it now */
15560 // DisplayAnalysis();
15562 /* Get the ball rolling again... */
15564 AnalysisPeriodicEvent(1);
15565 StartAnalysisClock();
15570 PonderNextMoveEvent(newState)
15573 if (newState == appData.ponderNextMove) return;
15574 if (gameMode == EditPosition) EditPositionDone(TRUE);
15576 SendToProgram("hard\n", &first);
15577 if (gameMode == TwoMachinesPlay) {
15578 SendToProgram("hard\n", &second);
15581 SendToProgram("easy\n", &first);
15582 thinkOutput[0] = NULLCHAR;
15583 if (gameMode == TwoMachinesPlay) {
15584 SendToProgram("easy\n", &second);
15587 appData.ponderNextMove = newState;
15591 NewSettingEvent(option, feature, command, value)
15593 int option, value, *feature;
15597 if (gameMode == EditPosition) EditPositionDone(TRUE);
15598 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15599 if(feature == NULL || *feature) SendToProgram(buf, &first);
15600 if (gameMode == TwoMachinesPlay) {
15601 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15606 ShowThinkingEvent()
15607 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15609 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15610 int newState = appData.showThinking
15611 // [HGM] thinking: other features now need thinking output as well
15612 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15614 if (oldState == newState) return;
15615 oldState = newState;
15616 if (gameMode == EditPosition) EditPositionDone(TRUE);
15618 SendToProgram("post\n", &first);
15619 if (gameMode == TwoMachinesPlay) {
15620 SendToProgram("post\n", &second);
15623 SendToProgram("nopost\n", &first);
15624 thinkOutput[0] = NULLCHAR;
15625 if (gameMode == TwoMachinesPlay) {
15626 SendToProgram("nopost\n", &second);
15629 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15633 AskQuestionEvent(title, question, replyPrefix, which)
15634 char *title; char *question; char *replyPrefix; char *which;
15636 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15637 if (pr == NoProc) return;
15638 AskQuestion(title, question, replyPrefix, pr);
15642 TypeInEvent(char firstChar)
15644 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15645 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15646 gameMode == AnalyzeMode || gameMode == EditGame ||
15647 gameMode == EditPosition || gameMode == IcsExamining ||
15648 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15649 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15650 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15651 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15652 gameMode == Training) PopUpMoveDialog(firstChar);
15656 TypeInDoneEvent(char *move)
15659 int n, fromX, fromY, toX, toY;
15661 ChessMove moveType;
15664 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15665 EditPositionPasteFEN(move);
15668 // [HGM] movenum: allow move number to be typed in any mode
15669 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15674 if (gameMode != EditGame && currentMove != forwardMostMove &&
15675 gameMode != Training) {
15676 DisplayMoveError(_("Displayed move is not current"));
15678 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15679 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15680 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15681 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15682 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15683 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15685 DisplayMoveError(_("Could not parse move"));
15691 DisplayMove(moveNumber)
15694 char message[MSG_SIZ];
15696 char cpThinkOutput[MSG_SIZ];
15698 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15700 if (moveNumber == forwardMostMove - 1 ||
15701 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15703 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15705 if (strchr(cpThinkOutput, '\n')) {
15706 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15709 *cpThinkOutput = NULLCHAR;
15712 /* [AS] Hide thinking from human user */
15713 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15714 *cpThinkOutput = NULLCHAR;
15715 if( thinkOutput[0] != NULLCHAR ) {
15718 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15719 cpThinkOutput[i] = '.';
15721 cpThinkOutput[i] = NULLCHAR;
15722 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15726 if (moveNumber == forwardMostMove - 1 &&
15727 gameInfo.resultDetails != NULL) {
15728 if (gameInfo.resultDetails[0] == NULLCHAR) {
15729 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15731 snprintf(res, MSG_SIZ, " {%s} %s",
15732 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15738 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15739 DisplayMessage(res, cpThinkOutput);
15741 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15742 WhiteOnMove(moveNumber) ? " " : ".. ",
15743 parseList[moveNumber], res);
15744 DisplayMessage(message, cpThinkOutput);
15749 DisplayComment(moveNumber, text)
15753 char title[MSG_SIZ];
15755 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15756 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15758 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15759 WhiteOnMove(moveNumber) ? " " : ".. ",
15760 parseList[moveNumber]);
15762 if (text != NULL && (appData.autoDisplayComment || commentUp))
15763 CommentPopUp(title, text);
15766 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15767 * might be busy thinking or pondering. It can be omitted if your
15768 * gnuchess is configured to stop thinking immediately on any user
15769 * input. However, that gnuchess feature depends on the FIONREAD
15770 * ioctl, which does not work properly on some flavors of Unix.
15774 ChessProgramState *cps;
15777 if (!cps->useSigint) return;
15778 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15779 switch (gameMode) {
15780 case MachinePlaysWhite:
15781 case MachinePlaysBlack:
15782 case TwoMachinesPlay:
15783 case IcsPlayingWhite:
15784 case IcsPlayingBlack:
15787 /* Skip if we know it isn't thinking */
15788 if (!cps->maybeThinking) return;
15789 if (appData.debugMode)
15790 fprintf(debugFP, "Interrupting %s\n", cps->which);
15791 InterruptChildProcess(cps->pr);
15792 cps->maybeThinking = FALSE;
15797 #endif /*ATTENTION*/
15803 if (whiteTimeRemaining <= 0) {
15806 if (appData.icsActive) {
15807 if (appData.autoCallFlag &&
15808 gameMode == IcsPlayingBlack && !blackFlag) {
15809 SendToICS(ics_prefix);
15810 SendToICS("flag\n");
15814 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15816 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15817 if (appData.autoCallFlag) {
15818 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15825 if (blackTimeRemaining <= 0) {
15828 if (appData.icsActive) {
15829 if (appData.autoCallFlag &&
15830 gameMode == IcsPlayingWhite && !whiteFlag) {
15831 SendToICS(ics_prefix);
15832 SendToICS("flag\n");
15836 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15838 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15839 if (appData.autoCallFlag) {
15840 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15853 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15854 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15857 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15859 if ( !WhiteOnMove(forwardMostMove) ) {
15860 /* White made time control */
15861 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15862 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15863 /* [HGM] time odds: correct new time quota for time odds! */
15864 / WhitePlayer()->timeOdds;
15865 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15867 lastBlack -= blackTimeRemaining;
15868 /* Black made time control */
15869 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15870 / WhitePlayer()->other->timeOdds;
15871 lastWhite = whiteTimeRemaining;
15876 DisplayBothClocks()
15878 int wom = gameMode == EditPosition ?
15879 !blackPlaysFirst : WhiteOnMove(currentMove);
15880 DisplayWhiteClock(whiteTimeRemaining, wom);
15881 DisplayBlackClock(blackTimeRemaining, !wom);
15885 /* Timekeeping seems to be a portability nightmare. I think everyone
15886 has ftime(), but I'm really not sure, so I'm including some ifdefs
15887 to use other calls if you don't. Clocks will be less accurate if
15888 you have neither ftime nor gettimeofday.
15891 /* VS 2008 requires the #include outside of the function */
15892 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15893 #include <sys/timeb.h>
15896 /* Get the current time as a TimeMark */
15901 #if HAVE_GETTIMEOFDAY
15903 struct timeval timeVal;
15904 struct timezone timeZone;
15906 gettimeofday(&timeVal, &timeZone);
15907 tm->sec = (long) timeVal.tv_sec;
15908 tm->ms = (int) (timeVal.tv_usec / 1000L);
15910 #else /*!HAVE_GETTIMEOFDAY*/
15913 // include <sys/timeb.h> / moved to just above start of function
15914 struct timeb timeB;
15917 tm->sec = (long) timeB.time;
15918 tm->ms = (int) timeB.millitm;
15920 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15921 tm->sec = (long) time(NULL);
15927 /* Return the difference in milliseconds between two
15928 time marks. We assume the difference will fit in a long!
15931 SubtractTimeMarks(tm2, tm1)
15932 TimeMark *tm2, *tm1;
15934 return 1000L*(tm2->sec - tm1->sec) +
15935 (long) (tm2->ms - tm1->ms);
15940 * Code to manage the game clocks.
15942 * In tournament play, black starts the clock and then white makes a move.
15943 * We give the human user a slight advantage if he is playing white---the
15944 * clocks don't run until he makes his first move, so it takes zero time.
15945 * Also, we don't account for network lag, so we could get out of sync
15946 * with GNU Chess's clock -- but then, referees are always right.
15949 static TimeMark tickStartTM;
15950 static long intendedTickLength;
15953 NextTickLength(timeRemaining)
15954 long timeRemaining;
15956 long nominalTickLength, nextTickLength;
15958 if (timeRemaining > 0L && timeRemaining <= 10000L)
15959 nominalTickLength = 100L;
15961 nominalTickLength = 1000L;
15962 nextTickLength = timeRemaining % nominalTickLength;
15963 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15965 return nextTickLength;
15968 /* Adjust clock one minute up or down */
15970 AdjustClock(Boolean which, int dir)
15972 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15973 if(which) blackTimeRemaining += 60000*dir;
15974 else whiteTimeRemaining += 60000*dir;
15975 DisplayBothClocks();
15976 adjustedClock = TRUE;
15979 /* Stop clocks and reset to a fresh time control */
15983 (void) StopClockTimer();
15984 if (appData.icsActive) {
15985 whiteTimeRemaining = blackTimeRemaining = 0;
15986 } else if (searchTime) {
15987 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15988 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15989 } else { /* [HGM] correct new time quote for time odds */
15990 whiteTC = blackTC = fullTimeControlString;
15991 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15992 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15994 if (whiteFlag || blackFlag) {
15996 whiteFlag = blackFlag = FALSE;
15998 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15999 DisplayBothClocks();
16000 adjustedClock = FALSE;
16003 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16005 /* Decrement running clock by amount of time that has passed */
16009 long timeRemaining;
16010 long lastTickLength, fudge;
16013 if (!appData.clockMode) return;
16014 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16018 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16020 /* Fudge if we woke up a little too soon */
16021 fudge = intendedTickLength - lastTickLength;
16022 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16024 if (WhiteOnMove(forwardMostMove)) {
16025 if(whiteNPS >= 0) lastTickLength = 0;
16026 timeRemaining = whiteTimeRemaining -= lastTickLength;
16027 if(timeRemaining < 0 && !appData.icsActive) {
16028 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16029 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16030 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16031 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16034 DisplayWhiteClock(whiteTimeRemaining - fudge,
16035 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16037 if(blackNPS >= 0) lastTickLength = 0;
16038 timeRemaining = blackTimeRemaining -= lastTickLength;
16039 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16040 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16042 blackStartMove = forwardMostMove;
16043 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16046 DisplayBlackClock(blackTimeRemaining - fudge,
16047 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16049 if (CheckFlags()) return;
16052 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16053 StartClockTimer(intendedTickLength);
16055 /* if the time remaining has fallen below the alarm threshold, sound the
16056 * alarm. if the alarm has sounded and (due to a takeback or time control
16057 * with increment) the time remaining has increased to a level above the
16058 * threshold, reset the alarm so it can sound again.
16061 if (appData.icsActive && appData.icsAlarm) {
16063 /* make sure we are dealing with the user's clock */
16064 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16065 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16068 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16069 alarmSounded = FALSE;
16070 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16072 alarmSounded = TRUE;
16078 /* A player has just moved, so stop the previously running
16079 clock and (if in clock mode) start the other one.
16080 We redisplay both clocks in case we're in ICS mode, because
16081 ICS gives us an update to both clocks after every move.
16082 Note that this routine is called *after* forwardMostMove
16083 is updated, so the last fractional tick must be subtracted
16084 from the color that is *not* on move now.
16087 SwitchClocks(int newMoveNr)
16089 long lastTickLength;
16091 int flagged = FALSE;
16095 if (StopClockTimer() && appData.clockMode) {
16096 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16097 if (!WhiteOnMove(forwardMostMove)) {
16098 if(blackNPS >= 0) lastTickLength = 0;
16099 blackTimeRemaining -= lastTickLength;
16100 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16101 // if(pvInfoList[forwardMostMove].time == -1)
16102 pvInfoList[forwardMostMove].time = // use GUI time
16103 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16105 if(whiteNPS >= 0) lastTickLength = 0;
16106 whiteTimeRemaining -= lastTickLength;
16107 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16108 // if(pvInfoList[forwardMostMove].time == -1)
16109 pvInfoList[forwardMostMove].time =
16110 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16112 flagged = CheckFlags();
16114 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16115 CheckTimeControl();
16117 if (flagged || !appData.clockMode) return;
16119 switch (gameMode) {
16120 case MachinePlaysBlack:
16121 case MachinePlaysWhite:
16122 case BeginningOfGame:
16123 if (pausing) return;
16127 case PlayFromGameFile:
16135 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16136 if(WhiteOnMove(forwardMostMove))
16137 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16138 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16142 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16143 whiteTimeRemaining : blackTimeRemaining);
16144 StartClockTimer(intendedTickLength);
16148 /* Stop both clocks */
16152 long lastTickLength;
16155 if (!StopClockTimer()) return;
16156 if (!appData.clockMode) return;
16160 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16161 if (WhiteOnMove(forwardMostMove)) {
16162 if(whiteNPS >= 0) lastTickLength = 0;
16163 whiteTimeRemaining -= lastTickLength;
16164 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16166 if(blackNPS >= 0) lastTickLength = 0;
16167 blackTimeRemaining -= lastTickLength;
16168 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16173 /* Start clock of player on move. Time may have been reset, so
16174 if clock is already running, stop and restart it. */
16178 (void) StopClockTimer(); /* in case it was running already */
16179 DisplayBothClocks();
16180 if (CheckFlags()) return;
16182 if (!appData.clockMode) return;
16183 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16185 GetTimeMark(&tickStartTM);
16186 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16187 whiteTimeRemaining : blackTimeRemaining);
16189 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16190 whiteNPS = blackNPS = -1;
16191 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16192 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16193 whiteNPS = first.nps;
16194 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16195 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16196 blackNPS = first.nps;
16197 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16198 whiteNPS = second.nps;
16199 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16200 blackNPS = second.nps;
16201 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16203 StartClockTimer(intendedTickLength);
16210 long second, minute, hour, day;
16212 static char buf[32];
16214 if (ms > 0 && ms <= 9900) {
16215 /* convert milliseconds to tenths, rounding up */
16216 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16218 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16222 /* convert milliseconds to seconds, rounding up */
16223 /* use floating point to avoid strangeness of integer division
16224 with negative dividends on many machines */
16225 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16232 day = second / (60 * 60 * 24);
16233 second = second % (60 * 60 * 24);
16234 hour = second / (60 * 60);
16235 second = second % (60 * 60);
16236 minute = second / 60;
16237 second = second % 60;
16240 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16241 sign, day, hour, minute, second);
16243 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16245 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16252 * This is necessary because some C libraries aren't ANSI C compliant yet.
16255 StrStr(string, match)
16256 char *string, *match;
16260 length = strlen(match);
16262 for (i = strlen(string) - length; i >= 0; i--, string++)
16263 if (!strncmp(match, string, length))
16270 StrCaseStr(string, match)
16271 char *string, *match;
16275 length = strlen(match);
16277 for (i = strlen(string) - length; i >= 0; i--, string++) {
16278 for (j = 0; j < length; j++) {
16279 if (ToLower(match[j]) != ToLower(string[j]))
16282 if (j == length) return string;
16296 c1 = ToLower(*s1++);
16297 c2 = ToLower(*s2++);
16298 if (c1 > c2) return 1;
16299 if (c1 < c2) return -1;
16300 if (c1 == NULLCHAR) return 0;
16309 return isupper(c) ? tolower(c) : c;
16317 return islower(c) ? toupper(c) : c;
16319 #endif /* !_amigados */
16327 if ((ret = (char *) malloc(strlen(s) + 1)))
16329 safeStrCpy(ret, s, strlen(s)+1);
16335 StrSavePtr(s, savePtr)
16336 char *s, **savePtr;
16341 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16342 safeStrCpy(*savePtr, s, strlen(s)+1);
16354 clock = time((time_t *)NULL);
16355 tm = localtime(&clock);
16356 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16357 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16358 return StrSave(buf);
16363 PositionToFEN(move, overrideCastling)
16365 char *overrideCastling;
16367 int i, j, fromX, fromY, toX, toY;
16374 whiteToPlay = (gameMode == EditPosition) ?
16375 !blackPlaysFirst : (move % 2 == 0);
16378 /* Piece placement data */
16379 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16380 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16382 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16383 if (boards[move][i][j] == EmptySquare) {
16385 } else { ChessSquare piece = boards[move][i][j];
16386 if (emptycount > 0) {
16387 if(emptycount<10) /* [HGM] can be >= 10 */
16388 *p++ = '0' + emptycount;
16389 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16392 if(PieceToChar(piece) == '+') {
16393 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16395 piece = (ChessSquare)(DEMOTED piece);
16397 *p++ = PieceToChar(piece);
16399 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16400 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16405 if (emptycount > 0) {
16406 if(emptycount<10) /* [HGM] can be >= 10 */
16407 *p++ = '0' + emptycount;
16408 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16415 /* [HGM] print Crazyhouse or Shogi holdings */
16416 if( gameInfo.holdingsWidth ) {
16417 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16419 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16420 piece = boards[move][i][BOARD_WIDTH-1];
16421 if( piece != EmptySquare )
16422 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16423 *p++ = PieceToChar(piece);
16425 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16426 piece = boards[move][BOARD_HEIGHT-i-1][0];
16427 if( piece != EmptySquare )
16428 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16429 *p++ = PieceToChar(piece);
16432 if( q == p ) *p++ = '-';
16438 *p++ = whiteToPlay ? 'w' : 'b';
16441 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16442 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16444 if(nrCastlingRights) {
16446 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16447 /* [HGM] write directly from rights */
16448 if(boards[move][CASTLING][2] != NoRights &&
16449 boards[move][CASTLING][0] != NoRights )
16450 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16451 if(boards[move][CASTLING][2] != NoRights &&
16452 boards[move][CASTLING][1] != NoRights )
16453 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16454 if(boards[move][CASTLING][5] != NoRights &&
16455 boards[move][CASTLING][3] != NoRights )
16456 *p++ = boards[move][CASTLING][3] + AAA;
16457 if(boards[move][CASTLING][5] != NoRights &&
16458 boards[move][CASTLING][4] != NoRights )
16459 *p++ = boards[move][CASTLING][4] + AAA;
16462 /* [HGM] write true castling rights */
16463 if( nrCastlingRights == 6 ) {
16464 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16465 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16466 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16467 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16468 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16469 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16470 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16471 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16474 if (q == p) *p++ = '-'; /* No castling rights */
16478 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16479 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16480 /* En passant target square */
16481 if (move > backwardMostMove) {
16482 fromX = moveList[move - 1][0] - AAA;
16483 fromY = moveList[move - 1][1] - ONE;
16484 toX = moveList[move - 1][2] - AAA;
16485 toY = moveList[move - 1][3] - ONE;
16486 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16487 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16488 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16490 /* 2-square pawn move just happened */
16492 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16496 } else if(move == backwardMostMove) {
16497 // [HGM] perhaps we should always do it like this, and forget the above?
16498 if((signed char)boards[move][EP_STATUS] >= 0) {
16499 *p++ = boards[move][EP_STATUS] + AAA;
16500 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16511 /* [HGM] find reversible plies */
16512 { int i = 0, j=move;
16514 if (appData.debugMode) { int k;
16515 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16516 for(k=backwardMostMove; k<=forwardMostMove; k++)
16517 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16521 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16522 if( j == backwardMostMove ) i += initialRulePlies;
16523 sprintf(p, "%d ", i);
16524 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16526 /* Fullmove number */
16527 sprintf(p, "%d", (move / 2) + 1);
16529 return StrSave(buf);
16533 ParseFEN(board, blackPlaysFirst, fen)
16535 int *blackPlaysFirst;
16545 /* [HGM] by default clear Crazyhouse holdings, if present */
16546 if(gameInfo.holdingsWidth) {
16547 for(i=0; i<BOARD_HEIGHT; i++) {
16548 board[i][0] = EmptySquare; /* black holdings */
16549 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16550 board[i][1] = (ChessSquare) 0; /* black counts */
16551 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16555 /* Piece placement data */
16556 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16559 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16560 if (*p == '/') p++;
16561 emptycount = gameInfo.boardWidth - j;
16562 while (emptycount--)
16563 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16565 #if(BOARD_FILES >= 10)
16566 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16567 p++; emptycount=10;
16568 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16569 while (emptycount--)
16570 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16572 } else if (isdigit(*p)) {
16573 emptycount = *p++ - '0';
16574 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16575 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16576 while (emptycount--)
16577 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16578 } else if (*p == '+' || isalpha(*p)) {
16579 if (j >= gameInfo.boardWidth) return FALSE;
16581 piece = CharToPiece(*++p);
16582 if(piece == EmptySquare) return FALSE; /* unknown piece */
16583 piece = (ChessSquare) (PROMOTED piece ); p++;
16584 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16585 } else piece = CharToPiece(*p++);
16587 if(piece==EmptySquare) return FALSE; /* unknown piece */
16588 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16589 piece = (ChessSquare) (PROMOTED piece);
16590 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16593 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16599 while (*p == '/' || *p == ' ') p++;
16601 /* [HGM] look for Crazyhouse holdings here */
16602 while(*p==' ') p++;
16603 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16605 if(*p == '-' ) p++; /* empty holdings */ else {
16606 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16607 /* if we would allow FEN reading to set board size, we would */
16608 /* have to add holdings and shift the board read so far here */
16609 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16611 if((int) piece >= (int) BlackPawn ) {
16612 i = (int)piece - (int)BlackPawn;
16613 i = PieceToNumber((ChessSquare)i);
16614 if( i >= gameInfo.holdingsSize ) return FALSE;
16615 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16616 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16618 i = (int)piece - (int)WhitePawn;
16619 i = PieceToNumber((ChessSquare)i);
16620 if( i >= gameInfo.holdingsSize ) return FALSE;
16621 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16622 board[i][BOARD_WIDTH-2]++; /* black holdings */
16629 while(*p == ' ') p++;
16633 if(appData.colorNickNames) {
16634 if( c == appData.colorNickNames[0] ) c = 'w'; else
16635 if( c == appData.colorNickNames[1] ) c = 'b';
16639 *blackPlaysFirst = FALSE;
16642 *blackPlaysFirst = TRUE;
16648 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16649 /* return the extra info in global variiables */
16651 /* set defaults in case FEN is incomplete */
16652 board[EP_STATUS] = EP_UNKNOWN;
16653 for(i=0; i<nrCastlingRights; i++ ) {
16654 board[CASTLING][i] =
16655 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16656 } /* assume possible unless obviously impossible */
16657 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16658 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16659 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16660 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16661 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16662 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16663 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16664 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16667 while(*p==' ') p++;
16668 if(nrCastlingRights) {
16669 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16670 /* castling indicator present, so default becomes no castlings */
16671 for(i=0; i<nrCastlingRights; i++ ) {
16672 board[CASTLING][i] = NoRights;
16675 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16676 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16677 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16678 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16679 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16681 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16682 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16683 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16685 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16686 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16687 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16688 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16689 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16690 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16693 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16694 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16695 board[CASTLING][2] = whiteKingFile;
16698 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16699 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16700 board[CASTLING][2] = whiteKingFile;
16703 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16704 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16705 board[CASTLING][5] = blackKingFile;
16708 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16709 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16710 board[CASTLING][5] = blackKingFile;
16713 default: /* FRC castlings */
16714 if(c >= 'a') { /* black rights */
16715 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16716 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16717 if(i == BOARD_RGHT) break;
16718 board[CASTLING][5] = i;
16720 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16721 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16723 board[CASTLING][3] = c;
16725 board[CASTLING][4] = c;
16726 } else { /* white rights */
16727 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16728 if(board[0][i] == WhiteKing) break;
16729 if(i == BOARD_RGHT) break;
16730 board[CASTLING][2] = i;
16731 c -= AAA - 'a' + 'A';
16732 if(board[0][c] >= WhiteKing) break;
16734 board[CASTLING][0] = c;
16736 board[CASTLING][1] = c;
16740 for(i=0; i<nrCastlingRights; i++)
16741 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16742 if (appData.debugMode) {
16743 fprintf(debugFP, "FEN castling rights:");
16744 for(i=0; i<nrCastlingRights; i++)
16745 fprintf(debugFP, " %d", board[CASTLING][i]);
16746 fprintf(debugFP, "\n");
16749 while(*p==' ') p++;
16752 /* read e.p. field in games that know e.p. capture */
16753 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16754 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16756 p++; board[EP_STATUS] = EP_NONE;
16758 char c = *p++ - AAA;
16760 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16761 if(*p >= '0' && *p <='9') p++;
16762 board[EP_STATUS] = c;
16767 if(sscanf(p, "%d", &i) == 1) {
16768 FENrulePlies = i; /* 50-move ply counter */
16769 /* (The move number is still ignored) */
16776 EditPositionPasteFEN(char *fen)
16779 Board initial_position;
16781 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16782 DisplayError(_("Bad FEN position in clipboard"), 0);
16785 int savedBlackPlaysFirst = blackPlaysFirst;
16786 EditPositionEvent();
16787 blackPlaysFirst = savedBlackPlaysFirst;
16788 CopyBoard(boards[0], initial_position);
16789 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16790 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16791 DisplayBothClocks();
16792 DrawPosition(FALSE, boards[currentMove]);
16797 static char cseq[12] = "\\ ";
16799 Boolean set_cont_sequence(char *new_seq)
16804 // handle bad attempts to set the sequence
16806 return 0; // acceptable error - no debug
16808 len = strlen(new_seq);
16809 ret = (len > 0) && (len < sizeof(cseq));
16811 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16812 else if (appData.debugMode)
16813 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16818 reformat a source message so words don't cross the width boundary. internal
16819 newlines are not removed. returns the wrapped size (no null character unless
16820 included in source message). If dest is NULL, only calculate the size required
16821 for the dest buffer. lp argument indicats line position upon entry, and it's
16822 passed back upon exit.
16824 int wrap(char *dest, char *src, int count, int width, int *lp)
16826 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16828 cseq_len = strlen(cseq);
16829 old_line = line = *lp;
16830 ansi = len = clen = 0;
16832 for (i=0; i < count; i++)
16834 if (src[i] == '\033')
16837 // if we hit the width, back up
16838 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16840 // store i & len in case the word is too long
16841 old_i = i, old_len = len;
16843 // find the end of the last word
16844 while (i && src[i] != ' ' && src[i] != '\n')
16850 // word too long? restore i & len before splitting it
16851 if ((old_i-i+clen) >= width)
16858 if (i && src[i-1] == ' ')
16861 if (src[i] != ' ' && src[i] != '\n')
16868 // now append the newline and continuation sequence
16873 strncpy(dest+len, cseq, cseq_len);
16881 dest[len] = src[i];
16885 if (src[i] == '\n')
16890 if (dest && appData.debugMode)
16892 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16893 count, width, line, len, *lp);
16894 show_bytes(debugFP, src, count);
16895 fprintf(debugFP, "\ndest: ");
16896 show_bytes(debugFP, dest, len);
16897 fprintf(debugFP, "\n");
16899 *lp = dest ? line : old_line;
16904 // [HGM] vari: routines for shelving variations
16905 Boolean modeRestore = FALSE;
16908 PushInner(int firstMove, int lastMove)
16910 int i, j, nrMoves = lastMove - firstMove;
16912 // push current tail of game on stack
16913 savedResult[storedGames] = gameInfo.result;
16914 savedDetails[storedGames] = gameInfo.resultDetails;
16915 gameInfo.resultDetails = NULL;
16916 savedFirst[storedGames] = firstMove;
16917 savedLast [storedGames] = lastMove;
16918 savedFramePtr[storedGames] = framePtr;
16919 framePtr -= nrMoves; // reserve space for the boards
16920 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16921 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16922 for(j=0; j<MOVE_LEN; j++)
16923 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16924 for(j=0; j<2*MOVE_LEN; j++)
16925 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16926 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16927 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16928 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16929 pvInfoList[firstMove+i-1].depth = 0;
16930 commentList[framePtr+i] = commentList[firstMove+i];
16931 commentList[firstMove+i] = NULL;
16935 forwardMostMove = firstMove; // truncate game so we can start variation
16939 PushTail(int firstMove, int lastMove)
16941 if(appData.icsActive) { // only in local mode
16942 forwardMostMove = currentMove; // mimic old ICS behavior
16945 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16947 PushInner(firstMove, lastMove);
16948 if(storedGames == 1) GreyRevert(FALSE);
16949 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16953 PopInner(Boolean annotate)
16956 char buf[8000], moveBuf[20];
16958 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16959 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16960 nrMoves = savedLast[storedGames] - currentMove;
16963 if(!WhiteOnMove(currentMove))
16964 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16965 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16966 for(i=currentMove; i<forwardMostMove; i++) {
16968 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16969 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16970 strcat(buf, moveBuf);
16971 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16972 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16976 for(i=1; i<=nrMoves; i++) { // copy last variation back
16977 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16978 for(j=0; j<MOVE_LEN; j++)
16979 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16980 for(j=0; j<2*MOVE_LEN; j++)
16981 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16982 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16983 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16984 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16985 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16986 commentList[currentMove+i] = commentList[framePtr+i];
16987 commentList[framePtr+i] = NULL;
16989 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16990 framePtr = savedFramePtr[storedGames];
16991 gameInfo.result = savedResult[storedGames];
16992 if(gameInfo.resultDetails != NULL) {
16993 free(gameInfo.resultDetails);
16995 gameInfo.resultDetails = savedDetails[storedGames];
16996 forwardMostMove = currentMove + nrMoves;
17000 PopTail(Boolean annotate)
17002 if(appData.icsActive) return FALSE; // only in local mode
17003 if(!storedGames) return FALSE; // sanity
17004 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17006 PopInner(annotate);
17007 if(currentMove < forwardMostMove) ForwardEvent(); else
17008 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17010 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17016 { // remove all shelved variations
17018 for(i=0; i<storedGames; i++) {
17019 if(savedDetails[i])
17020 free(savedDetails[i]);
17021 savedDetails[i] = NULL;
17023 for(i=framePtr; i<MAX_MOVES; i++) {
17024 if(commentList[i]) free(commentList[i]);
17025 commentList[i] = NULL;
17027 framePtr = MAX_MOVES-1;
17032 LoadVariation(int index, char *text)
17033 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17034 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17035 int level = 0, move;
17037 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17038 // first find outermost bracketing variation
17039 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17040 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17041 if(*p == '{') wait = '}'; else
17042 if(*p == '[') wait = ']'; else
17043 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17044 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17046 if(*p == wait) wait = NULLCHAR; // closing ]} found
17049 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17050 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17051 end[1] = NULLCHAR; // clip off comment beyond variation
17052 ToNrEvent(currentMove-1);
17053 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17054 // kludge: use ParsePV() to append variation to game
17055 move = currentMove;
17056 ParsePV(start, TRUE, TRUE);
17057 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17058 ClearPremoveHighlights();
17060 ToNrEvent(currentMove+1);