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, 2012, 2013 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"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
228 static int NonStandardBoardSize P((void));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char lastMsg[MSG_SIZ];
273 ChessSquare pieceSweep = EmptySquare;
274 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
275 int promoDefaultAltered;
276 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
278 /* States for ics_getting_history */
280 #define H_REQUESTED 1
281 #define H_GOT_REQ_HEADER 2
282 #define H_GOT_UNREQ_HEADER 3
283 #define H_GETTING_MOVES 4
284 #define H_GOT_UNWANTED_HEADER 5
286 /* whosays values for GameEnds */
295 /* Maximum number of games in a cmail message */
296 #define CMAIL_MAX_GAMES 20
298 /* Different types of move when calling RegisterMove */
300 #define CMAIL_RESIGN 1
302 #define CMAIL_ACCEPT 3
304 /* Different types of result to remember for each game */
305 #define CMAIL_NOT_RESULT 0
306 #define CMAIL_OLD_RESULT 1
307 #define CMAIL_NEW_RESULT 2
309 /* Telnet protocol constants */
320 safeStrCpy (char *dst, const char *src, size_t count)
323 assert( dst != NULL );
324 assert( src != NULL );
327 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
328 if( i == count && dst[count-1] != NULLCHAR)
330 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
331 if(appData.debugMode)
332 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
338 /* Some compiler can't cast u64 to double
339 * This function do the job for us:
341 * We use the highest bit for cast, this only
342 * works if the highest bit is not
343 * in use (This should not happen)
345 * We used this for all compiler
348 u64ToDouble (u64 value)
351 u64 tmp = value & u64Const(0x7fffffffffffffff);
352 r = (double)(s64)tmp;
353 if (value & u64Const(0x8000000000000000))
354 r += 9.2233720368547758080e18; /* 2^63 */
358 /* Fake up flags for now, as we aren't keeping track of castling
359 availability yet. [HGM] Change of logic: the flag now only
360 indicates the type of castlings allowed by the rule of the game.
361 The actual rights themselves are maintained in the array
362 castlingRights, as part of the game history, and are not probed
368 int flags = F_ALL_CASTLE_OK;
369 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
370 switch (gameInfo.variant) {
372 flags &= ~F_ALL_CASTLE_OK;
373 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
374 flags |= F_IGNORE_CHECK;
376 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
379 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
381 case VariantKriegspiel:
382 flags |= F_KRIEGSPIEL_CAPTURE;
384 case VariantCapaRandom:
385 case VariantFischeRandom:
386 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
387 case VariantNoCastle:
388 case VariantShatranj:
392 flags &= ~F_ALL_CASTLE_OK;
400 FILE *gameFileFP, *debugFP, *serverFP;
401 char *currentDebugFile; // [HGM] debug split: to remember name
404 [AS] Note: sometimes, the sscanf() function is used to parse the input
405 into a fixed-size buffer. Because of this, we must be prepared to
406 receive strings as long as the size of the input buffer, which is currently
407 set to 4K for Windows and 8K for the rest.
408 So, we must either allocate sufficiently large buffers here, or
409 reduce the size of the input buffer in the input reading part.
412 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
413 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
414 char thinkOutput1[MSG_SIZ*10];
416 ChessProgramState first, second, pairing;
418 /* premove variables */
421 int premoveFromX = 0;
422 int premoveFromY = 0;
423 int premovePromoChar = 0;
425 Boolean alarmSounded;
426 /* end premove variables */
428 char *ics_prefix = "$";
429 enum ICS_TYPE ics_type = ICS_GENERIC;
431 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
432 int pauseExamForwardMostMove = 0;
433 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
434 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
435 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
436 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
437 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
438 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
439 int whiteFlag = FALSE, blackFlag = FALSE;
440 int userOfferedDraw = FALSE;
441 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
442 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
443 int cmailMoveType[CMAIL_MAX_GAMES];
444 long ics_clock_paused = 0;
445 ProcRef icsPR = NoProc, cmailPR = NoProc;
446 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
447 GameMode gameMode = BeginningOfGame;
448 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
449 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
450 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
451 int hiddenThinkOutputState = 0; /* [AS] */
452 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
453 int adjudicateLossPlies = 6;
454 char white_holding[64], black_holding[64];
455 TimeMark lastNodeCountTime;
456 long lastNodeCount=0;
457 int shiftKey, controlKey; // [HGM] set by mouse handler
459 int have_sent_ICS_logon = 0;
461 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
462 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
463 Boolean adjustedClock;
464 long timeControl_2; /* [AS] Allow separate time controls */
465 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
466 long timeRemaining[2][MAX_MOVES];
467 int matchGame = 0, nextGame = 0, roundNr = 0;
468 Boolean waitingForGame = FALSE, startingEngine = FALSE;
469 TimeMark programStartTime, pauseStart;
470 char ics_handle[MSG_SIZ];
471 int have_set_title = 0;
473 /* animateTraining preserves the state of appData.animate
474 * when Training mode is activated. This allows the
475 * response to be animated when appData.animate == TRUE and
476 * appData.animateDragging == TRUE.
478 Boolean animateTraining;
484 Board boards[MAX_MOVES];
485 /* [HGM] Following 7 needed for accurate legality tests: */
486 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
487 signed char initialRights[BOARD_FILES];
488 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
489 int initialRulePlies, FENrulePlies;
490 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
492 Boolean shuffleOpenings;
493 int mute; // mute all sounds
495 // [HGM] vari: next 12 to save and restore variations
496 #define MAX_VARIATIONS 10
497 int framePtr = MAX_MOVES-1; // points to free stack entry
499 int savedFirst[MAX_VARIATIONS];
500 int savedLast[MAX_VARIATIONS];
501 int savedFramePtr[MAX_VARIATIONS];
502 char *savedDetails[MAX_VARIATIONS];
503 ChessMove savedResult[MAX_VARIATIONS];
505 void PushTail P((int firstMove, int lastMove));
506 Boolean PopTail P((Boolean annotate));
507 void PushInner P((int firstMove, int lastMove));
508 void PopInner P((Boolean annotate));
509 void CleanupTail P((void));
511 ChessSquare FIDEArray[2][BOARD_FILES] = {
512 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
513 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
514 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
515 BlackKing, BlackBishop, BlackKnight, BlackRook }
518 ChessSquare twoKingsArray[2][BOARD_FILES] = {
519 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
520 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
521 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
522 BlackKing, BlackKing, BlackKnight, BlackRook }
525 ChessSquare KnightmateArray[2][BOARD_FILES] = {
526 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
527 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
528 { BlackRook, BlackMan, BlackBishop, BlackQueen,
529 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
532 ChessSquare SpartanArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
534 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
535 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
536 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
539 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
540 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
542 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
543 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
546 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
547 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
548 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
549 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
550 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
553 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
554 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
555 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
556 { BlackRook, BlackKnight, BlackMan, BlackFerz,
557 BlackKing, BlackMan, BlackKnight, BlackRook }
561 #if (BOARD_FILES>=10)
562 ChessSquare ShogiArray[2][BOARD_FILES] = {
563 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
564 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
565 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
566 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
569 ChessSquare XiangqiArray[2][BOARD_FILES] = {
570 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
571 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
572 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
573 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
576 ChessSquare CapablancaArray[2][BOARD_FILES] = {
577 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
578 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
579 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
580 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
583 ChessSquare GreatArray[2][BOARD_FILES] = {
584 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
585 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
586 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
587 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
590 ChessSquare JanusArray[2][BOARD_FILES] = {
591 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
592 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
593 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
594 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
597 ChessSquare GrandArray[2][BOARD_FILES] = {
598 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
599 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
600 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
601 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
605 ChessSquare GothicArray[2][BOARD_FILES] = {
606 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
607 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
608 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
609 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
612 #define GothicArray CapablancaArray
616 ChessSquare FalconArray[2][BOARD_FILES] = {
617 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
618 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
619 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
620 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
623 #define FalconArray CapablancaArray
626 #else // !(BOARD_FILES>=10)
627 #define XiangqiPosition FIDEArray
628 #define CapablancaArray FIDEArray
629 #define GothicArray FIDEArray
630 #define GreatArray FIDEArray
631 #endif // !(BOARD_FILES>=10)
633 #if (BOARD_FILES>=12)
634 ChessSquare CourierArray[2][BOARD_FILES] = {
635 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
636 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
637 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
638 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
640 #else // !(BOARD_FILES>=12)
641 #define CourierArray CapablancaArray
642 #endif // !(BOARD_FILES>=12)
645 Board initialPosition;
648 /* Convert str to a rating. Checks for special cases of "----",
650 "++++", etc. Also strips ()'s */
652 string_to_rating (char *str)
654 while(*str && !isdigit(*str)) ++str;
656 return 0; /* One of the special "no rating" cases */
664 /* Init programStats */
665 programStats.movelist[0] = 0;
666 programStats.depth = 0;
667 programStats.nr_moves = 0;
668 programStats.moves_left = 0;
669 programStats.nodes = 0;
670 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
671 programStats.score = 0;
672 programStats.got_only_move = 0;
673 programStats.got_fail = 0;
674 programStats.line_is_book = 0;
679 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
680 if (appData.firstPlaysBlack) {
681 first.twoMachinesColor = "black\n";
682 second.twoMachinesColor = "white\n";
684 first.twoMachinesColor = "white\n";
685 second.twoMachinesColor = "black\n";
688 first.other = &second;
689 second.other = &first;
692 if(appData.timeOddsMode) {
693 norm = appData.timeOdds[0];
694 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
696 first.timeOdds = appData.timeOdds[0]/norm;
697 second.timeOdds = appData.timeOdds[1]/norm;
700 if(programVersion) free(programVersion);
701 if (appData.noChessProgram) {
702 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
703 sprintf(programVersion, "%s", PACKAGE_STRING);
705 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
706 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
707 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
712 UnloadEngine (ChessProgramState *cps)
714 /* Kill off first chess program */
715 if (cps->isr != NULL)
716 RemoveInputSource(cps->isr);
719 if (cps->pr != NoProc) {
721 DoSleep( appData.delayBeforeQuit );
722 SendToProgram("quit\n", cps);
723 DoSleep( appData.delayAfterQuit );
724 DestroyChildProcess(cps->pr, cps->useSigterm);
727 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
731 ClearOptions (ChessProgramState *cps)
734 cps->nrOptions = cps->comboCnt = 0;
735 for(i=0; i<MAX_OPTIONS; i++) {
736 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
737 cps->option[i].textValue = 0;
741 char *engineNames[] = {
742 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
743 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
745 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
746 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
751 InitEngine (ChessProgramState *cps, int n)
752 { // [HGM] all engine initialiation put in a function that does one engine
756 cps->which = engineNames[n];
757 cps->maybeThinking = FALSE;
761 cps->sendDrawOffers = 1;
763 cps->program = appData.chessProgram[n];
764 cps->host = appData.host[n];
765 cps->dir = appData.directory[n];
766 cps->initString = appData.engInitString[n];
767 cps->computerString = appData.computerString[n];
768 cps->useSigint = TRUE;
769 cps->useSigterm = TRUE;
770 cps->reuse = appData.reuse[n];
771 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
772 cps->useSetboard = FALSE;
774 cps->usePing = FALSE;
777 cps->usePlayother = FALSE;
778 cps->useColors = TRUE;
779 cps->useUsermove = FALSE;
780 cps->sendICS = FALSE;
781 cps->sendName = appData.icsActive;
782 cps->sdKludge = FALSE;
783 cps->stKludge = FALSE;
784 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
785 TidyProgramName(cps->program, cps->host, cps->tidy);
787 ASSIGN(cps->variants, appData.variant);
788 cps->analysisSupport = 2; /* detect */
789 cps->analyzing = FALSE;
790 cps->initDone = FALSE;
793 /* New features added by Tord: */
794 cps->useFEN960 = FALSE;
795 cps->useOOCastle = TRUE;
796 /* End of new features added by Tord. */
797 cps->fenOverride = appData.fenOverride[n];
799 /* [HGM] time odds: set factor for each machine */
800 cps->timeOdds = appData.timeOdds[n];
802 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
803 cps->accumulateTC = appData.accumulateTC[n];
804 cps->maxNrOfSessions = 1;
809 cps->supportsNPS = UNKNOWN;
810 cps->memSize = FALSE;
811 cps->maxCores = FALSE;
812 ASSIGN(cps->egtFormats, "");
815 cps->optionSettings = appData.engOptions[n];
817 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
818 cps->isUCI = appData.isUCI[n]; /* [AS] */
819 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
821 if (appData.protocolVersion[n] > PROTOVER
822 || appData.protocolVersion[n] < 1)
827 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
828 appData.protocolVersion[n]);
829 if( (len >= MSG_SIZ) && appData.debugMode )
830 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
832 DisplayFatalError(buf, 0, 2);
836 cps->protocolVersion = appData.protocolVersion[n];
839 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
840 ParseFeatures(appData.featureDefaults, cps);
843 ChessProgramState *savCps;
851 if(WaitForEngine(savCps, LoadEngine)) return;
852 CommonEngineInit(); // recalculate time odds
853 if(gameInfo.variant != StringToVariant(appData.variant)) {
854 // we changed variant when loading the engine; this forces us to reset
855 Reset(TRUE, savCps != &first);
856 oldMode = BeginningOfGame; // to prevent restoring old mode
858 InitChessProgram(savCps, FALSE);
859 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
860 DisplayMessage("", "");
861 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
862 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
865 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
869 ReplaceEngine (ChessProgramState *cps, int n)
871 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
873 if(oldMode != BeginningOfGame) EditGameEvent();
876 appData.noChessProgram = FALSE;
877 appData.clockMode = TRUE;
880 if(n) return; // only startup first engine immediately; second can wait
881 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
885 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
886 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
888 static char resetOptions[] =
889 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
890 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
891 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
892 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
895 FloatToFront(char **list, char *engineLine)
897 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
899 if(appData.recentEngines <= 0) return;
900 TidyProgramName(engineLine, "localhost", tidy+1);
901 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
902 strncpy(buf+1, *list, MSG_SIZ-50);
903 if(p = strstr(buf, tidy)) { // tidy name appears in list
904 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
905 while(*p++ = *++q); // squeeze out
907 strcat(tidy, buf+1); // put list behind tidy name
908 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
909 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
910 ASSIGN(*list, tidy+1);
913 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
916 Load (ChessProgramState *cps, int i)
918 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
919 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
920 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
921 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
922 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
923 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
924 appData.firstProtocolVersion = PROTOVER;
925 ParseArgsFromString(buf);
927 ReplaceEngine(cps, i);
928 FloatToFront(&appData.recentEngineList, engineLine);
932 while(q = strchr(p, SLASH)) p = q+1;
933 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
934 if(engineDir[0] != NULLCHAR) {
935 ASSIGN(appData.directory[i], engineDir); p = engineName;
936 } else if(p != engineName) { // derive directory from engine path, when not given
938 ASSIGN(appData.directory[i], engineName);
940 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
941 } else { ASSIGN(appData.directory[i], "."); }
943 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
944 snprintf(command, MSG_SIZ, "%s %s", p, params);
947 ASSIGN(appData.chessProgram[i], p);
948 appData.isUCI[i] = isUCI;
949 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
950 appData.hasOwnBookUCI[i] = hasBook;
951 if(!nickName[0]) useNick = FALSE;
952 if(useNick) ASSIGN(appData.pgnName[i], nickName);
956 q = firstChessProgramNames;
957 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
958 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
959 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
960 quote, p, quote, appData.directory[i],
961 useNick ? " -fn \"" : "",
962 useNick ? nickName : "",
964 v1 ? " -firstProtocolVersion 1" : "",
965 hasBook ? "" : " -fNoOwnBookUCI",
966 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
967 storeVariant ? " -variant " : "",
968 storeVariant ? VariantName(gameInfo.variant) : "");
969 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
970 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
971 if(insert != q) insert[-1] = NULLCHAR;
972 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
974 FloatToFront(&appData.recentEngineList, buf);
976 ReplaceEngine(cps, i);
982 int matched, min, sec;
984 * Parse timeControl resource
986 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
987 appData.movesPerSession)) {
989 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
990 DisplayFatalError(buf, 0, 2);
994 * Parse searchTime resource
996 if (*appData.searchTime != NULLCHAR) {
997 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
999 searchTime = min * 60;
1000 } else if (matched == 2) {
1001 searchTime = min * 60 + sec;
1004 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1005 DisplayFatalError(buf, 0, 2);
1014 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1015 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1017 GetTimeMark(&programStartTime);
1018 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1019 appData.seedBase = random() + (random()<<15);
1020 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1022 ClearProgramStats();
1023 programStats.ok_to_send = 1;
1024 programStats.seen_stat = 0;
1027 * Initialize game list
1033 * Internet chess server status
1035 if (appData.icsActive) {
1036 appData.matchMode = FALSE;
1037 appData.matchGames = 0;
1039 appData.noChessProgram = !appData.zippyPlay;
1041 appData.zippyPlay = FALSE;
1042 appData.zippyTalk = FALSE;
1043 appData.noChessProgram = TRUE;
1045 if (*appData.icsHelper != NULLCHAR) {
1046 appData.useTelnet = TRUE;
1047 appData.telnetProgram = appData.icsHelper;
1050 appData.zippyTalk = appData.zippyPlay = FALSE;
1053 /* [AS] Initialize pv info list [HGM] and game state */
1057 for( i=0; i<=framePtr; i++ ) {
1058 pvInfoList[i].depth = -1;
1059 boards[i][EP_STATUS] = EP_NONE;
1060 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1066 /* [AS] Adjudication threshold */
1067 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1069 InitEngine(&first, 0);
1070 InitEngine(&second, 1);
1073 pairing.which = "pairing"; // pairing engine
1074 pairing.pr = NoProc;
1076 pairing.program = appData.pairingEngine;
1077 pairing.host = "localhost";
1080 if (appData.icsActive) {
1081 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1082 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1083 appData.clockMode = FALSE;
1084 first.sendTime = second.sendTime = 0;
1088 /* Override some settings from environment variables, for backward
1089 compatibility. Unfortunately it's not feasible to have the env
1090 vars just set defaults, at least in xboard. Ugh.
1092 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1097 if (!appData.icsActive) {
1101 /* Check for variants that are supported only in ICS mode,
1102 or not at all. Some that are accepted here nevertheless
1103 have bugs; see comments below.
1105 VariantClass variant = StringToVariant(appData.variant);
1107 case VariantBughouse: /* need four players and two boards */
1108 case VariantKriegspiel: /* need to hide pieces and move details */
1109 /* case VariantFischeRandom: (Fabien: moved below) */
1110 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1111 if( (len >= MSG_SIZ) && appData.debugMode )
1112 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1114 DisplayFatalError(buf, 0, 2);
1117 case VariantUnknown:
1118 case VariantLoadable:
1128 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1129 if( (len >= MSG_SIZ) && appData.debugMode )
1130 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1132 DisplayFatalError(buf, 0, 2);
1135 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1136 case VariantFairy: /* [HGM] TestLegality definitely off! */
1137 case VariantGothic: /* [HGM] should work */
1138 case VariantCapablanca: /* [HGM] should work */
1139 case VariantCourier: /* [HGM] initial forced moves not implemented */
1140 case VariantShogi: /* [HGM] could still mate with pawn drop */
1141 case VariantKnightmate: /* [HGM] should work */
1142 case VariantCylinder: /* [HGM] untested */
1143 case VariantFalcon: /* [HGM] untested */
1144 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1145 offboard interposition not understood */
1146 case VariantNormal: /* definitely works! */
1147 case VariantWildCastle: /* pieces not automatically shuffled */
1148 case VariantNoCastle: /* pieces not automatically shuffled */
1149 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1150 case VariantLosers: /* should work except for win condition,
1151 and doesn't know captures are mandatory */
1152 case VariantSuicide: /* should work except for win condition,
1153 and doesn't know captures are mandatory */
1154 case VariantGiveaway: /* should work except for win condition,
1155 and doesn't know captures are mandatory */
1156 case VariantTwoKings: /* should work */
1157 case VariantAtomic: /* should work except for win condition */
1158 case Variant3Check: /* should work except for win condition */
1159 case VariantShatranj: /* should work except for all win conditions */
1160 case VariantMakruk: /* should work except for draw countdown */
1161 case VariantBerolina: /* might work if TestLegality is off */
1162 case VariantCapaRandom: /* should work */
1163 case VariantJanus: /* should work */
1164 case VariantSuper: /* experimental */
1165 case VariantGreat: /* experimental, requires legality testing to be off */
1166 case VariantSChess: /* S-Chess, should work */
1167 case VariantGrand: /* should work */
1168 case VariantSpartan: /* should work */
1176 NextIntegerFromString (char ** str, long * value)
1181 while( *s == ' ' || *s == '\t' ) {
1187 if( *s >= '0' && *s <= '9' ) {
1188 while( *s >= '0' && *s <= '9' ) {
1189 *value = *value * 10 + (*s - '0');
1202 NextTimeControlFromString (char ** str, long * value)
1205 int result = NextIntegerFromString( str, &temp );
1208 *value = temp * 60; /* Minutes */
1209 if( **str == ':' ) {
1211 result = NextIntegerFromString( str, &temp );
1212 *value += temp; /* Seconds */
1220 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1221 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1222 int result = -1, type = 0; long temp, temp2;
1224 if(**str != ':') return -1; // old params remain in force!
1226 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1227 if( NextIntegerFromString( str, &temp ) ) return -1;
1228 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1231 /* time only: incremental or sudden-death time control */
1232 if(**str == '+') { /* increment follows; read it */
1234 if(**str == '!') type = *(*str)++; // Bronstein TC
1235 if(result = NextIntegerFromString( str, &temp2)) return -1;
1236 *inc = temp2 * 1000;
1237 if(**str == '.') { // read fraction of increment
1238 char *start = ++(*str);
1239 if(result = NextIntegerFromString( str, &temp2)) return -1;
1241 while(start++ < *str) temp2 /= 10;
1245 *moves = 0; *tc = temp * 1000; *incType = type;
1249 (*str)++; /* classical time control */
1250 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1262 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1263 { /* [HGM] get time to add from the multi-session time-control string */
1264 int incType, moves=1; /* kludge to force reading of first session */
1265 long time, increment;
1268 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1270 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1271 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1272 if(movenr == -1) return time; /* last move before new session */
1273 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1274 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1275 if(!moves) return increment; /* current session is incremental */
1276 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1277 } while(movenr >= -1); /* try again for next session */
1279 return 0; // no new time quota on this move
1283 ParseTimeControl (char *tc, float ti, int mps)
1287 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1290 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1291 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1292 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1296 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1298 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1301 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1303 snprintf(buf, MSG_SIZ, ":%s", mytc);
1305 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1307 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1312 /* Parse second time control */
1315 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1323 timeControl_2 = tc2 * 1000;
1333 timeControl = tc1 * 1000;
1336 timeIncrement = ti * 1000; /* convert to ms */
1337 movesPerSession = 0;
1340 movesPerSession = mps;
1348 if (appData.debugMode) {
1349 # ifdef __GIT_VERSION
1350 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1352 fprintf(debugFP, "Version: %s\n", programVersion);
1355 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1357 set_cont_sequence(appData.wrapContSeq);
1358 if (appData.matchGames > 0) {
1359 appData.matchMode = TRUE;
1360 } else if (appData.matchMode) {
1361 appData.matchGames = 1;
1363 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1364 appData.matchGames = appData.sameColorGames;
1365 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1366 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1367 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1370 if (appData.noChessProgram || first.protocolVersion == 1) {
1373 /* kludge: allow timeout for initial "feature" commands */
1375 DisplayMessage("", _("Starting chess program"));
1376 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1381 CalculateIndex (int index, int gameNr)
1382 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1384 if(index > 0) return index; // fixed nmber
1385 if(index == 0) return 1;
1386 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1387 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1392 LoadGameOrPosition (int gameNr)
1393 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1394 if (*appData.loadGameFile != NULLCHAR) {
1395 if (!LoadGameFromFile(appData.loadGameFile,
1396 CalculateIndex(appData.loadGameIndex, gameNr),
1397 appData.loadGameFile, FALSE)) {
1398 DisplayFatalError(_("Bad game file"), 0, 1);
1401 } else if (*appData.loadPositionFile != NULLCHAR) {
1402 if (!LoadPositionFromFile(appData.loadPositionFile,
1403 CalculateIndex(appData.loadPositionIndex, gameNr),
1404 appData.loadPositionFile)) {
1405 DisplayFatalError(_("Bad position file"), 0, 1);
1413 ReserveGame (int gameNr, char resChar)
1415 FILE *tf = fopen(appData.tourneyFile, "r+");
1416 char *p, *q, c, buf[MSG_SIZ];
1417 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1418 safeStrCpy(buf, lastMsg, MSG_SIZ);
1419 DisplayMessage(_("Pick new game"), "");
1420 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1421 ParseArgsFromFile(tf);
1422 p = q = appData.results;
1423 if(appData.debugMode) {
1424 char *r = appData.participants;
1425 fprintf(debugFP, "results = '%s'\n", p);
1426 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1427 fprintf(debugFP, "\n");
1429 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1431 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1432 safeStrCpy(q, p, strlen(p) + 2);
1433 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1434 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1435 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1436 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1439 fseek(tf, -(strlen(p)+4), SEEK_END);
1441 if(c != '"') // depending on DOS or Unix line endings we can be one off
1442 fseek(tf, -(strlen(p)+2), SEEK_END);
1443 else fseek(tf, -(strlen(p)+3), SEEK_END);
1444 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1445 DisplayMessage(buf, "");
1446 free(p); appData.results = q;
1447 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1448 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1449 int round = appData.defaultMatchGames * appData.tourneyType;
1450 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1451 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1452 UnloadEngine(&first); // next game belongs to other pairing;
1453 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1455 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1459 MatchEvent (int mode)
1460 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1462 if(matchMode) { // already in match mode: switch it off
1464 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1467 // if(gameMode != BeginningOfGame) {
1468 // DisplayError(_("You can only start a match from the initial position."), 0);
1472 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1473 /* Set up machine vs. machine match */
1475 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1476 if(appData.tourneyFile[0]) {
1478 if(nextGame > appData.matchGames) {
1480 if(strchr(appData.results, '*') == NULL) {
1482 appData.tourneyCycles++;
1483 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1485 NextTourneyGame(-1, &dummy);
1487 if(nextGame <= appData.matchGames) {
1488 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1490 ScheduleDelayedEvent(NextMatchGame, 10000);
1495 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1496 DisplayError(buf, 0);
1497 appData.tourneyFile[0] = 0;
1501 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1502 DisplayFatalError(_("Can't have a match with no chess programs"),
1507 matchGame = roundNr = 1;
1508 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1512 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1515 InitBackEnd3 P((void))
1517 GameMode initialMode;
1521 InitChessProgram(&first, startedFromSetupPosition);
1523 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1524 free(programVersion);
1525 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1526 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1527 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1530 if (appData.icsActive) {
1532 /* [DM] Make a console window if needed [HGM] merged ifs */
1538 if (*appData.icsCommPort != NULLCHAR)
1539 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1540 appData.icsCommPort);
1542 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1543 appData.icsHost, appData.icsPort);
1545 if( (len >= MSG_SIZ) && appData.debugMode )
1546 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1548 DisplayFatalError(buf, err, 1);
1553 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1555 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1556 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1557 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1558 } else if (appData.noChessProgram) {
1564 if (*appData.cmailGameName != NULLCHAR) {
1566 OpenLoopback(&cmailPR);
1568 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1572 DisplayMessage("", "");
1573 if (StrCaseCmp(appData.initialMode, "") == 0) {
1574 initialMode = BeginningOfGame;
1575 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1576 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1577 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1578 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1581 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1582 initialMode = TwoMachinesPlay;
1583 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1584 initialMode = AnalyzeFile;
1585 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1586 initialMode = AnalyzeMode;
1587 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1588 initialMode = MachinePlaysWhite;
1589 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1590 initialMode = MachinePlaysBlack;
1591 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1592 initialMode = EditGame;
1593 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1594 initialMode = EditPosition;
1595 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1596 initialMode = Training;
1598 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1599 if( (len >= MSG_SIZ) && appData.debugMode )
1600 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1602 DisplayFatalError(buf, 0, 2);
1606 if (appData.matchMode) {
1607 if(appData.tourneyFile[0]) { // start tourney from command line
1609 if(f = fopen(appData.tourneyFile, "r")) {
1610 ParseArgsFromFile(f); // make sure tourney parmeters re known
1612 appData.clockMode = TRUE;
1614 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1617 } else if (*appData.cmailGameName != NULLCHAR) {
1618 /* Set up cmail mode */
1619 ReloadCmailMsgEvent(TRUE);
1621 /* Set up other modes */
1622 if (initialMode == AnalyzeFile) {
1623 if (*appData.loadGameFile == NULLCHAR) {
1624 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1628 if (*appData.loadGameFile != NULLCHAR) {
1629 (void) LoadGameFromFile(appData.loadGameFile,
1630 appData.loadGameIndex,
1631 appData.loadGameFile, TRUE);
1632 } else if (*appData.loadPositionFile != NULLCHAR) {
1633 (void) LoadPositionFromFile(appData.loadPositionFile,
1634 appData.loadPositionIndex,
1635 appData.loadPositionFile);
1636 /* [HGM] try to make self-starting even after FEN load */
1637 /* to allow automatic setup of fairy variants with wtm */
1638 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1639 gameMode = BeginningOfGame;
1640 setboardSpoiledMachineBlack = 1;
1642 /* [HGM] loadPos: make that every new game uses the setup */
1643 /* from file as long as we do not switch variant */
1644 if(!blackPlaysFirst) {
1645 startedFromPositionFile = TRUE;
1646 CopyBoard(filePosition, boards[0]);
1649 if (initialMode == AnalyzeMode) {
1650 if (appData.noChessProgram) {
1651 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1654 if (appData.icsActive) {
1655 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1659 } else if (initialMode == AnalyzeFile) {
1660 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1661 ShowThinkingEvent();
1663 AnalysisPeriodicEvent(1);
1664 } else if (initialMode == MachinePlaysWhite) {
1665 if (appData.noChessProgram) {
1666 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1670 if (appData.icsActive) {
1671 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1675 MachineWhiteEvent();
1676 } else if (initialMode == MachinePlaysBlack) {
1677 if (appData.noChessProgram) {
1678 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1682 if (appData.icsActive) {
1683 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1687 MachineBlackEvent();
1688 } else if (initialMode == TwoMachinesPlay) {
1689 if (appData.noChessProgram) {
1690 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1694 if (appData.icsActive) {
1695 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1700 } else if (initialMode == EditGame) {
1702 } else if (initialMode == EditPosition) {
1703 EditPositionEvent();
1704 } else if (initialMode == Training) {
1705 if (*appData.loadGameFile == NULLCHAR) {
1706 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1715 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1717 DisplayBook(current+1);
1719 MoveHistorySet( movelist, first, last, current, pvInfoList );
1721 EvalGraphSet( first, last, current, pvInfoList );
1723 MakeEngineOutputTitle();
1727 * Establish will establish a contact to a remote host.port.
1728 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1729 * used to talk to the host.
1730 * Returns 0 if okay, error code if not.
1737 if (*appData.icsCommPort != NULLCHAR) {
1738 /* Talk to the host through a serial comm port */
1739 return OpenCommPort(appData.icsCommPort, &icsPR);
1741 } else if (*appData.gateway != NULLCHAR) {
1742 if (*appData.remoteShell == NULLCHAR) {
1743 /* Use the rcmd protocol to run telnet program on a gateway host */
1744 snprintf(buf, sizeof(buf), "%s %s %s",
1745 appData.telnetProgram, appData.icsHost, appData.icsPort);
1746 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1749 /* Use the rsh program to run telnet program on a gateway host */
1750 if (*appData.remoteUser == NULLCHAR) {
1751 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1752 appData.gateway, appData.telnetProgram,
1753 appData.icsHost, appData.icsPort);
1755 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1756 appData.remoteShell, appData.gateway,
1757 appData.remoteUser, appData.telnetProgram,
1758 appData.icsHost, appData.icsPort);
1760 return StartChildProcess(buf, "", &icsPR);
1763 } else if (appData.useTelnet) {
1764 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1767 /* TCP socket interface differs somewhat between
1768 Unix and NT; handle details in the front end.
1770 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1775 EscapeExpand (char *p, char *q)
1776 { // [HGM] initstring: routine to shape up string arguments
1777 while(*p++ = *q++) if(p[-1] == '\\')
1779 case 'n': p[-1] = '\n'; break;
1780 case 'r': p[-1] = '\r'; break;
1781 case 't': p[-1] = '\t'; break;
1782 case '\\': p[-1] = '\\'; break;
1783 case 0: *p = 0; return;
1784 default: p[-1] = q[-1]; break;
1789 show_bytes (FILE *fp, char *buf, int count)
1792 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1793 fprintf(fp, "\\%03o", *buf & 0xff);
1802 /* Returns an errno value */
1804 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1806 char buf[8192], *p, *q, *buflim;
1807 int left, newcount, outcount;
1809 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1810 *appData.gateway != NULLCHAR) {
1811 if (appData.debugMode) {
1812 fprintf(debugFP, ">ICS: ");
1813 show_bytes(debugFP, message, count);
1814 fprintf(debugFP, "\n");
1816 return OutputToProcess(pr, message, count, outError);
1819 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1826 if (appData.debugMode) {
1827 fprintf(debugFP, ">ICS: ");
1828 show_bytes(debugFP, buf, newcount);
1829 fprintf(debugFP, "\n");
1831 outcount = OutputToProcess(pr, buf, newcount, outError);
1832 if (outcount < newcount) return -1; /* to be sure */
1839 } else if (((unsigned char) *p) == TN_IAC) {
1840 *q++ = (char) TN_IAC;
1847 if (appData.debugMode) {
1848 fprintf(debugFP, ">ICS: ");
1849 show_bytes(debugFP, buf, newcount);
1850 fprintf(debugFP, "\n");
1852 outcount = OutputToProcess(pr, buf, newcount, outError);
1853 if (outcount < newcount) return -1; /* to be sure */
1858 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1860 int outError, outCount;
1861 static int gotEof = 0;
1864 /* Pass data read from player on to ICS */
1867 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1868 if (outCount < count) {
1869 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1871 if(have_sent_ICS_logon == 2) {
1872 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1873 fprintf(ini, "%s", message);
1874 have_sent_ICS_logon = 3;
1876 have_sent_ICS_logon = 1;
1877 } else if(have_sent_ICS_logon == 3) {
1878 fprintf(ini, "%s", message);
1880 have_sent_ICS_logon = 1;
1882 } else if (count < 0) {
1883 RemoveInputSource(isr);
1884 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1885 } else if (gotEof++ > 0) {
1886 RemoveInputSource(isr);
1887 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1893 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1894 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1895 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1896 SendToICS("date\n");
1897 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1900 /* added routine for printf style output to ics */
1902 ics_printf (char *format, ...)
1904 char buffer[MSG_SIZ];
1907 va_start(args, format);
1908 vsnprintf(buffer, sizeof(buffer), format, args);
1909 buffer[sizeof(buffer)-1] = '\0';
1917 int count, outCount, outError;
1919 if (icsPR == NoProc) return;
1922 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1923 if (outCount < count) {
1924 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1928 /* This is used for sending logon scripts to the ICS. Sending
1929 without a delay causes problems when using timestamp on ICC
1930 (at least on my machine). */
1932 SendToICSDelayed (char *s, long msdelay)
1934 int count, outCount, outError;
1936 if (icsPR == NoProc) return;
1939 if (appData.debugMode) {
1940 fprintf(debugFP, ">ICS: ");
1941 show_bytes(debugFP, s, count);
1942 fprintf(debugFP, "\n");
1944 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1946 if (outCount < count) {
1947 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1952 /* Remove all highlighting escape sequences in s
1953 Also deletes any suffix starting with '('
1956 StripHighlightAndTitle (char *s)
1958 static char retbuf[MSG_SIZ];
1961 while (*s != NULLCHAR) {
1962 while (*s == '\033') {
1963 while (*s != NULLCHAR && !isalpha(*s)) s++;
1964 if (*s != NULLCHAR) s++;
1966 while (*s != NULLCHAR && *s != '\033') {
1967 if (*s == '(' || *s == '[') {
1978 /* Remove all highlighting escape sequences in s */
1980 StripHighlight (char *s)
1982 static char retbuf[MSG_SIZ];
1985 while (*s != NULLCHAR) {
1986 while (*s == '\033') {
1987 while (*s != NULLCHAR && !isalpha(*s)) s++;
1988 if (*s != NULLCHAR) s++;
1990 while (*s != NULLCHAR && *s != '\033') {
1998 char *variantNames[] = VARIANT_NAMES;
2000 VariantName (VariantClass v)
2002 return variantNames[v];
2006 /* Identify a variant from the strings the chess servers use or the
2007 PGN Variant tag names we use. */
2009 StringToVariant (char *e)
2013 VariantClass v = VariantNormal;
2014 int i, found = FALSE;
2020 /* [HGM] skip over optional board-size prefixes */
2021 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2022 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2023 while( *e++ != '_');
2026 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2030 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2031 if (StrCaseStr(e, variantNames[i])) {
2032 v = (VariantClass) i;
2039 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2040 || StrCaseStr(e, "wild/fr")
2041 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2042 v = VariantFischeRandom;
2043 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2044 (i = 1, p = StrCaseStr(e, "w"))) {
2046 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2053 case 0: /* FICS only, actually */
2055 /* Castling legal even if K starts on d-file */
2056 v = VariantWildCastle;
2061 /* Castling illegal even if K & R happen to start in
2062 normal positions. */
2063 v = VariantNoCastle;
2076 /* Castling legal iff K & R start in normal positions */
2082 /* Special wilds for position setup; unclear what to do here */
2083 v = VariantLoadable;
2086 /* Bizarre ICC game */
2087 v = VariantTwoKings;
2090 v = VariantKriegspiel;
2096 v = VariantFischeRandom;
2099 v = VariantCrazyhouse;
2102 v = VariantBughouse;
2108 /* Not quite the same as FICS suicide! */
2109 v = VariantGiveaway;
2115 v = VariantShatranj;
2118 /* Temporary names for future ICC types. The name *will* change in
2119 the next xboard/WinBoard release after ICC defines it. */
2157 v = VariantCapablanca;
2160 v = VariantKnightmate;
2166 v = VariantCylinder;
2172 v = VariantCapaRandom;
2175 v = VariantBerolina;
2187 /* Found "wild" or "w" in the string but no number;
2188 must assume it's normal chess. */
2192 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2193 if( (len >= MSG_SIZ) && appData.debugMode )
2194 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2196 DisplayError(buf, 0);
2202 if (appData.debugMode) {
2203 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2204 e, wnum, VariantName(v));
2209 static int leftover_start = 0, leftover_len = 0;
2210 char star_match[STAR_MATCH_N][MSG_SIZ];
2212 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2213 advance *index beyond it, and set leftover_start to the new value of
2214 *index; else return FALSE. If pattern contains the character '*', it
2215 matches any sequence of characters not containing '\r', '\n', or the
2216 character following the '*' (if any), and the matched sequence(s) are
2217 copied into star_match.
2220 looking_at ( char *buf, int *index, char *pattern)
2222 char *bufp = &buf[*index], *patternp = pattern;
2224 char *matchp = star_match[0];
2227 if (*patternp == NULLCHAR) {
2228 *index = leftover_start = bufp - buf;
2232 if (*bufp == NULLCHAR) return FALSE;
2233 if (*patternp == '*') {
2234 if (*bufp == *(patternp + 1)) {
2236 matchp = star_match[++star_count];
2240 } else if (*bufp == '\n' || *bufp == '\r') {
2242 if (*patternp == NULLCHAR)
2247 *matchp++ = *bufp++;
2251 if (*patternp != *bufp) return FALSE;
2258 SendToPlayer (char *data, int length)
2260 int error, outCount;
2261 outCount = OutputToProcess(NoProc, data, length, &error);
2262 if (outCount < length) {
2263 DisplayFatalError(_("Error writing to display"), error, 1);
2268 PackHolding (char packed[], char *holding)
2278 switch (runlength) {
2289 sprintf(q, "%d", runlength);
2301 /* Telnet protocol requests from the front end */
2303 TelnetRequest (unsigned char ddww, unsigned char option)
2305 unsigned char msg[3];
2306 int outCount, outError;
2308 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2310 if (appData.debugMode) {
2311 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2327 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2336 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2339 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2344 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2346 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2353 if (!appData.icsActive) return;
2354 TelnetRequest(TN_DO, TN_ECHO);
2360 if (!appData.icsActive) return;
2361 TelnetRequest(TN_DONT, TN_ECHO);
2365 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2367 /* put the holdings sent to us by the server on the board holdings area */
2368 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2372 if(gameInfo.holdingsWidth < 2) return;
2373 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2374 return; // prevent overwriting by pre-board holdings
2376 if( (int)lowestPiece >= BlackPawn ) {
2379 holdingsStartRow = BOARD_HEIGHT-1;
2382 holdingsColumn = BOARD_WIDTH-1;
2383 countsColumn = BOARD_WIDTH-2;
2384 holdingsStartRow = 0;
2388 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2389 board[i][holdingsColumn] = EmptySquare;
2390 board[i][countsColumn] = (ChessSquare) 0;
2392 while( (p=*holdings++) != NULLCHAR ) {
2393 piece = CharToPiece( ToUpper(p) );
2394 if(piece == EmptySquare) continue;
2395 /*j = (int) piece - (int) WhitePawn;*/
2396 j = PieceToNumber(piece);
2397 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2398 if(j < 0) continue; /* should not happen */
2399 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2400 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2401 board[holdingsStartRow+j*direction][countsColumn]++;
2407 VariantSwitch (Board board, VariantClass newVariant)
2409 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2410 static Board oldBoard;
2412 startedFromPositionFile = FALSE;
2413 if(gameInfo.variant == newVariant) return;
2415 /* [HGM] This routine is called each time an assignment is made to
2416 * gameInfo.variant during a game, to make sure the board sizes
2417 * are set to match the new variant. If that means adding or deleting
2418 * holdings, we shift the playing board accordingly
2419 * This kludge is needed because in ICS observe mode, we get boards
2420 * of an ongoing game without knowing the variant, and learn about the
2421 * latter only later. This can be because of the move list we requested,
2422 * in which case the game history is refilled from the beginning anyway,
2423 * but also when receiving holdings of a crazyhouse game. In the latter
2424 * case we want to add those holdings to the already received position.
2428 if (appData.debugMode) {
2429 fprintf(debugFP, "Switch board from %s to %s\n",
2430 VariantName(gameInfo.variant), VariantName(newVariant));
2431 setbuf(debugFP, NULL);
2433 shuffleOpenings = 0; /* [HGM] shuffle */
2434 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2438 newWidth = 9; newHeight = 9;
2439 gameInfo.holdingsSize = 7;
2440 case VariantBughouse:
2441 case VariantCrazyhouse:
2442 newHoldingsWidth = 2; break;
2446 newHoldingsWidth = 2;
2447 gameInfo.holdingsSize = 8;
2450 case VariantCapablanca:
2451 case VariantCapaRandom:
2454 newHoldingsWidth = gameInfo.holdingsSize = 0;
2457 if(newWidth != gameInfo.boardWidth ||
2458 newHeight != gameInfo.boardHeight ||
2459 newHoldingsWidth != gameInfo.holdingsWidth ) {
2461 /* shift position to new playing area, if needed */
2462 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2463 for(i=0; i<BOARD_HEIGHT; i++)
2464 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2465 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2467 for(i=0; i<newHeight; i++) {
2468 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2469 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2471 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2472 for(i=0; i<BOARD_HEIGHT; i++)
2473 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2474 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2477 board[HOLDINGS_SET] = 0;
2478 gameInfo.boardWidth = newWidth;
2479 gameInfo.boardHeight = newHeight;
2480 gameInfo.holdingsWidth = newHoldingsWidth;
2481 gameInfo.variant = newVariant;
2482 InitDrawingSizes(-2, 0);
2483 } else gameInfo.variant = newVariant;
2484 CopyBoard(oldBoard, board); // remember correctly formatted board
2485 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2486 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2489 static int loggedOn = FALSE;
2491 /*-- Game start info cache: --*/
2493 char gs_kind[MSG_SIZ];
2494 static char player1Name[128] = "";
2495 static char player2Name[128] = "";
2496 static char cont_seq[] = "\n\\ ";
2497 static int player1Rating = -1;
2498 static int player2Rating = -1;
2499 /*----------------------------*/
2501 ColorClass curColor = ColorNormal;
2502 int suppressKibitz = 0;
2505 Boolean soughtPending = FALSE;
2506 Boolean seekGraphUp;
2507 #define MAX_SEEK_ADS 200
2509 char *seekAdList[MAX_SEEK_ADS];
2510 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2511 float tcList[MAX_SEEK_ADS];
2512 char colorList[MAX_SEEK_ADS];
2513 int nrOfSeekAds = 0;
2514 int minRating = 1010, maxRating = 2800;
2515 int hMargin = 10, vMargin = 20, h, w;
2516 extern int squareSize, lineGap;
2521 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2522 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2523 if(r < minRating+100 && r >=0 ) r = minRating+100;
2524 if(r > maxRating) r = maxRating;
2525 if(tc < 1.f) tc = 1.f;
2526 if(tc > 95.f) tc = 95.f;
2527 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2528 y = ((double)r - minRating)/(maxRating - minRating)
2529 * (h-vMargin-squareSize/8-1) + vMargin;
2530 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2531 if(strstr(seekAdList[i], " u ")) color = 1;
2532 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2533 !strstr(seekAdList[i], "bullet") &&
2534 !strstr(seekAdList[i], "blitz") &&
2535 !strstr(seekAdList[i], "standard") ) color = 2;
2536 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2537 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2541 PlotSingleSeekAd (int i)
2547 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2549 char buf[MSG_SIZ], *ext = "";
2550 VariantClass v = StringToVariant(type);
2551 if(strstr(type, "wild")) {
2552 ext = type + 4; // append wild number
2553 if(v == VariantFischeRandom) type = "chess960"; else
2554 if(v == VariantLoadable) type = "setup"; else
2555 type = VariantName(v);
2557 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2558 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2559 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2560 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2561 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2562 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2563 seekNrList[nrOfSeekAds] = nr;
2564 zList[nrOfSeekAds] = 0;
2565 seekAdList[nrOfSeekAds++] = StrSave(buf);
2566 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2571 EraseSeekDot (int i)
2573 int x = xList[i], y = yList[i], d=squareSize/4, k;
2574 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2575 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2576 // now replot every dot that overlapped
2577 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2578 int xx = xList[k], yy = yList[k];
2579 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2580 DrawSeekDot(xx, yy, colorList[k]);
2585 RemoveSeekAd (int nr)
2588 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2590 if(seekAdList[i]) free(seekAdList[i]);
2591 seekAdList[i] = seekAdList[--nrOfSeekAds];
2592 seekNrList[i] = seekNrList[nrOfSeekAds];
2593 ratingList[i] = ratingList[nrOfSeekAds];
2594 colorList[i] = colorList[nrOfSeekAds];
2595 tcList[i] = tcList[nrOfSeekAds];
2596 xList[i] = xList[nrOfSeekAds];
2597 yList[i] = yList[nrOfSeekAds];
2598 zList[i] = zList[nrOfSeekAds];
2599 seekAdList[nrOfSeekAds] = NULL;
2605 MatchSoughtLine (char *line)
2607 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2608 int nr, base, inc, u=0; char dummy;
2610 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2611 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2613 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2614 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2615 // match: compact and save the line
2616 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2626 if(!seekGraphUp) return FALSE;
2627 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2628 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2630 DrawSeekBackground(0, 0, w, h);
2631 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2632 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2633 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2634 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2636 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2639 snprintf(buf, MSG_SIZ, "%d", i);
2640 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2643 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2644 for(i=1; i<100; i+=(i<10?1:5)) {
2645 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2646 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2647 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2649 snprintf(buf, MSG_SIZ, "%d", i);
2650 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2653 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2658 SeekGraphClick (ClickType click, int x, int y, int moving)
2660 static int lastDown = 0, displayed = 0, lastSecond;
2661 if(y < 0) return FALSE;
2662 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2663 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2664 if(!seekGraphUp) return FALSE;
2665 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2666 DrawPosition(TRUE, NULL);
2669 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2670 if(click == Release || moving) return FALSE;
2672 soughtPending = TRUE;
2673 SendToICS(ics_prefix);
2674 SendToICS("sought\n"); // should this be "sought all"?
2675 } else { // issue challenge based on clicked ad
2676 int dist = 10000; int i, closest = 0, second = 0;
2677 for(i=0; i<nrOfSeekAds; i++) {
2678 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2679 if(d < dist) { dist = d; closest = i; }
2680 second += (d - zList[i] < 120); // count in-range ads
2681 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2685 second = (second > 1);
2686 if(displayed != closest || second != lastSecond) {
2687 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2688 lastSecond = second; displayed = closest;
2690 if(click == Press) {
2691 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2694 } // on press 'hit', only show info
2695 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2696 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2697 SendToICS(ics_prefix);
2699 return TRUE; // let incoming board of started game pop down the graph
2700 } else if(click == Release) { // release 'miss' is ignored
2701 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2702 if(moving == 2) { // right up-click
2703 nrOfSeekAds = 0; // refresh graph
2704 soughtPending = TRUE;
2705 SendToICS(ics_prefix);
2706 SendToICS("sought\n"); // should this be "sought all"?
2709 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2710 // press miss or release hit 'pop down' seek graph
2711 seekGraphUp = FALSE;
2712 DrawPosition(TRUE, NULL);
2718 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2720 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2721 #define STARTED_NONE 0
2722 #define STARTED_MOVES 1
2723 #define STARTED_BOARD 2
2724 #define STARTED_OBSERVE 3
2725 #define STARTED_HOLDINGS 4
2726 #define STARTED_CHATTER 5
2727 #define STARTED_COMMENT 6
2728 #define STARTED_MOVES_NOHIDE 7
2730 static int started = STARTED_NONE;
2731 static char parse[20000];
2732 static int parse_pos = 0;
2733 static char buf[BUF_SIZE + 1];
2734 static int firstTime = TRUE, intfSet = FALSE;
2735 static ColorClass prevColor = ColorNormal;
2736 static int savingComment = FALSE;
2737 static int cmatch = 0; // continuation sequence match
2744 int backup; /* [DM] For zippy color lines */
2746 char talker[MSG_SIZ]; // [HGM] chat
2749 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2751 if (appData.debugMode) {
2753 fprintf(debugFP, "<ICS: ");
2754 show_bytes(debugFP, data, count);
2755 fprintf(debugFP, "\n");
2759 if (appData.debugMode) { int f = forwardMostMove;
2760 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2761 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2762 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2765 /* If last read ended with a partial line that we couldn't parse,
2766 prepend it to the new read and try again. */
2767 if (leftover_len > 0) {
2768 for (i=0; i<leftover_len; i++)
2769 buf[i] = buf[leftover_start + i];
2772 /* copy new characters into the buffer */
2773 bp = buf + leftover_len;
2774 buf_len=leftover_len;
2775 for (i=0; i<count; i++)
2778 if (data[i] == '\r')
2781 // join lines split by ICS?
2782 if (!appData.noJoin)
2785 Joining just consists of finding matches against the
2786 continuation sequence, and discarding that sequence
2787 if found instead of copying it. So, until a match
2788 fails, there's nothing to do since it might be the
2789 complete sequence, and thus, something we don't want
2792 if (data[i] == cont_seq[cmatch])
2795 if (cmatch == strlen(cont_seq))
2797 cmatch = 0; // complete match. just reset the counter
2800 it's possible for the ICS to not include the space
2801 at the end of the last word, making our [correct]
2802 join operation fuse two separate words. the server
2803 does this when the space occurs at the width setting.
2805 if (!buf_len || buf[buf_len-1] != ' ')
2816 match failed, so we have to copy what matched before
2817 falling through and copying this character. In reality,
2818 this will only ever be just the newline character, but
2819 it doesn't hurt to be precise.
2821 strncpy(bp, cont_seq, cmatch);
2833 buf[buf_len] = NULLCHAR;
2834 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2839 while (i < buf_len) {
2840 /* Deal with part of the TELNET option negotiation
2841 protocol. We refuse to do anything beyond the
2842 defaults, except that we allow the WILL ECHO option,
2843 which ICS uses to turn off password echoing when we are
2844 directly connected to it. We reject this option
2845 if localLineEditing mode is on (always on in xboard)
2846 and we are talking to port 23, which might be a real
2847 telnet server that will try to keep WILL ECHO on permanently.
2849 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2850 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2851 unsigned char option;
2853 switch ((unsigned char) buf[++i]) {
2855 if (appData.debugMode)
2856 fprintf(debugFP, "\n<WILL ");
2857 switch (option = (unsigned char) buf[++i]) {
2859 if (appData.debugMode)
2860 fprintf(debugFP, "ECHO ");
2861 /* Reply only if this is a change, according
2862 to the protocol rules. */
2863 if (remoteEchoOption) break;
2864 if (appData.localLineEditing &&
2865 atoi(appData.icsPort) == TN_PORT) {
2866 TelnetRequest(TN_DONT, TN_ECHO);
2869 TelnetRequest(TN_DO, TN_ECHO);
2870 remoteEchoOption = TRUE;
2874 if (appData.debugMode)
2875 fprintf(debugFP, "%d ", option);
2876 /* Whatever this is, we don't want it. */
2877 TelnetRequest(TN_DONT, option);
2882 if (appData.debugMode)
2883 fprintf(debugFP, "\n<WONT ");
2884 switch (option = (unsigned char) buf[++i]) {
2886 if (appData.debugMode)
2887 fprintf(debugFP, "ECHO ");
2888 /* Reply only if this is a change, according
2889 to the protocol rules. */
2890 if (!remoteEchoOption) break;
2892 TelnetRequest(TN_DONT, TN_ECHO);
2893 remoteEchoOption = FALSE;
2896 if (appData.debugMode)
2897 fprintf(debugFP, "%d ", (unsigned char) option);
2898 /* Whatever this is, it must already be turned
2899 off, because we never agree to turn on
2900 anything non-default, so according to the
2901 protocol rules, we don't reply. */
2906 if (appData.debugMode)
2907 fprintf(debugFP, "\n<DO ");
2908 switch (option = (unsigned char) buf[++i]) {
2910 /* Whatever this is, we refuse to do it. */
2911 if (appData.debugMode)
2912 fprintf(debugFP, "%d ", option);
2913 TelnetRequest(TN_WONT, option);
2918 if (appData.debugMode)
2919 fprintf(debugFP, "\n<DONT ");
2920 switch (option = (unsigned char) buf[++i]) {
2922 if (appData.debugMode)
2923 fprintf(debugFP, "%d ", option);
2924 /* Whatever this is, we are already not doing
2925 it, because we never agree to do anything
2926 non-default, so according to the protocol
2927 rules, we don't reply. */
2932 if (appData.debugMode)
2933 fprintf(debugFP, "\n<IAC ");
2934 /* Doubled IAC; pass it through */
2938 if (appData.debugMode)
2939 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2940 /* Drop all other telnet commands on the floor */
2943 if (oldi > next_out)
2944 SendToPlayer(&buf[next_out], oldi - next_out);
2950 /* OK, this at least will *usually* work */
2951 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2955 if (loggedOn && !intfSet) {
2956 if (ics_type == ICS_ICC) {
2957 snprintf(str, MSG_SIZ,
2958 "/set-quietly interface %s\n/set-quietly style 12\n",
2960 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2961 strcat(str, "/set-2 51 1\n/set seek 1\n");
2962 } else if (ics_type == ICS_CHESSNET) {
2963 snprintf(str, MSG_SIZ, "/style 12\n");
2965 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2966 strcat(str, programVersion);
2967 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2968 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2969 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2971 strcat(str, "$iset nohighlight 1\n");
2973 strcat(str, "$iset lock 1\n$style 12\n");
2976 NotifyFrontendLogin();
2980 if (started == STARTED_COMMENT) {
2981 /* Accumulate characters in comment */
2982 parse[parse_pos++] = buf[i];
2983 if (buf[i] == '\n') {
2984 parse[parse_pos] = NULLCHAR;
2985 if(chattingPartner>=0) {
2987 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2988 OutputChatMessage(chattingPartner, mess);
2989 chattingPartner = -1;
2990 next_out = i+1; // [HGM] suppress printing in ICS window
2992 if(!suppressKibitz) // [HGM] kibitz
2993 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2994 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2995 int nrDigit = 0, nrAlph = 0, j;
2996 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2997 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2998 parse[parse_pos] = NULLCHAR;
2999 // try to be smart: if it does not look like search info, it should go to
3000 // ICS interaction window after all, not to engine-output window.
3001 for(j=0; j<parse_pos; j++) { // count letters and digits
3002 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3003 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3004 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3006 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3007 int depth=0; float score;
3008 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3009 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3010 pvInfoList[forwardMostMove-1].depth = depth;
3011 pvInfoList[forwardMostMove-1].score = 100*score;
3013 OutputKibitz(suppressKibitz, parse);
3016 if(gameMode == IcsObserving) // restore original ICS messages
3017 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3019 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3020 SendToPlayer(tmp, strlen(tmp));
3022 next_out = i+1; // [HGM] suppress printing in ICS window
3024 started = STARTED_NONE;
3026 /* Don't match patterns against characters in comment */
3031 if (started == STARTED_CHATTER) {
3032 if (buf[i] != '\n') {
3033 /* Don't match patterns against characters in chatter */
3037 started = STARTED_NONE;
3038 if(suppressKibitz) next_out = i+1;
3041 /* Kludge to deal with rcmd protocol */
3042 if (firstTime && looking_at(buf, &i, "\001*")) {
3043 DisplayFatalError(&buf[1], 0, 1);
3049 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3052 if (appData.debugMode)
3053 fprintf(debugFP, "ics_type %d\n", ics_type);
3056 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3057 ics_type = ICS_FICS;
3059 if (appData.debugMode)
3060 fprintf(debugFP, "ics_type %d\n", ics_type);
3063 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3064 ics_type = ICS_CHESSNET;
3066 if (appData.debugMode)
3067 fprintf(debugFP, "ics_type %d\n", ics_type);
3072 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3073 looking_at(buf, &i, "Logging you in as \"*\"") ||
3074 looking_at(buf, &i, "will be \"*\""))) {
3075 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3079 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3081 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3082 DisplayIcsInteractionTitle(buf);
3083 have_set_title = TRUE;
3086 /* skip finger notes */
3087 if (started == STARTED_NONE &&
3088 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3089 (buf[i] == '1' && buf[i+1] == '0')) &&
3090 buf[i+2] == ':' && buf[i+3] == ' ') {
3091 started = STARTED_CHATTER;
3097 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3098 if(appData.seekGraph) {
3099 if(soughtPending && MatchSoughtLine(buf+i)) {
3100 i = strstr(buf+i, "rated") - buf;
3101 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3102 next_out = leftover_start = i;
3103 started = STARTED_CHATTER;
3104 suppressKibitz = TRUE;
3107 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3108 && looking_at(buf, &i, "* ads displayed")) {
3109 soughtPending = FALSE;
3114 if(appData.autoRefresh) {
3115 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3116 int s = (ics_type == ICS_ICC); // ICC format differs
3118 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3119 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3120 looking_at(buf, &i, "*% "); // eat prompt
3121 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3122 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3123 next_out = i; // suppress
3126 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3127 char *p = star_match[0];
3129 if(seekGraphUp) RemoveSeekAd(atoi(p));
3130 while(*p && *p++ != ' '); // next
3132 looking_at(buf, &i, "*% "); // eat prompt
3133 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3140 /* skip formula vars */
3141 if (started == STARTED_NONE &&
3142 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3143 started = STARTED_CHATTER;
3148 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3149 if (appData.autoKibitz && started == STARTED_NONE &&
3150 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3151 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3152 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3153 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3154 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3155 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3156 suppressKibitz = TRUE;
3157 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3159 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3160 && (gameMode == IcsPlayingWhite)) ||
3161 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3162 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3163 started = STARTED_CHATTER; // own kibitz we simply discard
3165 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3166 parse_pos = 0; parse[0] = NULLCHAR;
3167 savingComment = TRUE;
3168 suppressKibitz = gameMode != IcsObserving ? 2 :
3169 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3173 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3174 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3175 && atoi(star_match[0])) {
3176 // suppress the acknowledgements of our own autoKibitz
3178 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3179 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3180 SendToPlayer(star_match[0], strlen(star_match[0]));
3181 if(looking_at(buf, &i, "*% ")) // eat prompt
3182 suppressKibitz = FALSE;
3186 } // [HGM] kibitz: end of patch
3188 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3190 // [HGM] chat: intercept tells by users for which we have an open chat window
3192 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3193 looking_at(buf, &i, "* whispers:") ||
3194 looking_at(buf, &i, "* kibitzes:") ||
3195 looking_at(buf, &i, "* shouts:") ||
3196 looking_at(buf, &i, "* c-shouts:") ||
3197 looking_at(buf, &i, "--> * ") ||
3198 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3199 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3200 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3201 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3203 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3204 chattingPartner = -1;
3206 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3207 for(p=0; p<MAX_CHAT; p++) {
3208 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3209 talker[0] = '['; strcat(talker, "] ");
3210 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3211 chattingPartner = p; break;
3214 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3215 for(p=0; p<MAX_CHAT; p++) {
3216 if(!strcmp("kibitzes", chatPartner[p])) {
3217 talker[0] = '['; strcat(talker, "] ");
3218 chattingPartner = p; break;
3221 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3222 for(p=0; p<MAX_CHAT; p++) {
3223 if(!strcmp("whispers", chatPartner[p])) {
3224 talker[0] = '['; strcat(talker, "] ");
3225 chattingPartner = p; break;
3228 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3229 if(buf[i-8] == '-' && buf[i-3] == 't')
3230 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3231 if(!strcmp("c-shouts", chatPartner[p])) {
3232 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3233 chattingPartner = p; break;
3236 if(chattingPartner < 0)
3237 for(p=0; p<MAX_CHAT; p++) {
3238 if(!strcmp("shouts", chatPartner[p])) {
3239 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3240 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3241 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3242 chattingPartner = p; break;
3246 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3247 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3248 talker[0] = 0; Colorize(ColorTell, FALSE);
3249 chattingPartner = p; break;
3251 if(chattingPartner<0) i = oldi; else {
3252 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3253 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3254 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3255 started = STARTED_COMMENT;
3256 parse_pos = 0; parse[0] = NULLCHAR;
3257 savingComment = 3 + chattingPartner; // counts as TRUE
3258 suppressKibitz = TRUE;
3261 } // [HGM] chat: end of patch
3264 if (appData.zippyTalk || appData.zippyPlay) {
3265 /* [DM] Backup address for color zippy lines */
3267 if (loggedOn == TRUE)
3268 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3269 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3271 } // [DM] 'else { ' deleted
3273 /* Regular tells and says */
3274 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3275 looking_at(buf, &i, "* (your partner) tells you: ") ||
3276 looking_at(buf, &i, "* says: ") ||
3277 /* Don't color "message" or "messages" output */
3278 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3279 looking_at(buf, &i, "*. * at *:*: ") ||
3280 looking_at(buf, &i, "--* (*:*): ") ||
3281 /* Message notifications (same color as tells) */
3282 looking_at(buf, &i, "* has left a message ") ||
3283 looking_at(buf, &i, "* just sent you a message:\n") ||
3284 /* Whispers and kibitzes */
3285 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3286 looking_at(buf, &i, "* kibitzes: ") ||
3288 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3290 if (tkind == 1 && strchr(star_match[0], ':')) {
3291 /* Avoid "tells you:" spoofs in channels */
3294 if (star_match[0][0] == NULLCHAR ||
3295 strchr(star_match[0], ' ') ||
3296 (tkind == 3 && strchr(star_match[1], ' '))) {
3297 /* Reject bogus matches */
3300 if (appData.colorize) {
3301 if (oldi > next_out) {
3302 SendToPlayer(&buf[next_out], oldi - next_out);
3307 Colorize(ColorTell, FALSE);
3308 curColor = ColorTell;
3311 Colorize(ColorKibitz, FALSE);
3312 curColor = ColorKibitz;
3315 p = strrchr(star_match[1], '(');
3322 Colorize(ColorChannel1, FALSE);
3323 curColor = ColorChannel1;
3325 Colorize(ColorChannel, FALSE);
3326 curColor = ColorChannel;
3330 curColor = ColorNormal;
3334 if (started == STARTED_NONE && appData.autoComment &&
3335 (gameMode == IcsObserving ||
3336 gameMode == IcsPlayingWhite ||
3337 gameMode == IcsPlayingBlack)) {
3338 parse_pos = i - oldi;
3339 memcpy(parse, &buf[oldi], parse_pos);
3340 parse[parse_pos] = NULLCHAR;
3341 started = STARTED_COMMENT;
3342 savingComment = TRUE;
3344 started = STARTED_CHATTER;
3345 savingComment = FALSE;
3352 if (looking_at(buf, &i, "* s-shouts: ") ||
3353 looking_at(buf, &i, "* c-shouts: ")) {
3354 if (appData.colorize) {
3355 if (oldi > next_out) {
3356 SendToPlayer(&buf[next_out], oldi - next_out);
3359 Colorize(ColorSShout, FALSE);
3360 curColor = ColorSShout;
3363 started = STARTED_CHATTER;
3367 if (looking_at(buf, &i, "--->")) {
3372 if (looking_at(buf, &i, "* shouts: ") ||
3373 looking_at(buf, &i, "--> ")) {
3374 if (appData.colorize) {
3375 if (oldi > next_out) {
3376 SendToPlayer(&buf[next_out], oldi - next_out);
3379 Colorize(ColorShout, FALSE);
3380 curColor = ColorShout;
3383 started = STARTED_CHATTER;
3387 if (looking_at( buf, &i, "Challenge:")) {
3388 if (appData.colorize) {
3389 if (oldi > next_out) {
3390 SendToPlayer(&buf[next_out], oldi - next_out);
3393 Colorize(ColorChallenge, FALSE);
3394 curColor = ColorChallenge;
3400 if (looking_at(buf, &i, "* offers you") ||
3401 looking_at(buf, &i, "* offers to be") ||
3402 looking_at(buf, &i, "* would like to") ||
3403 looking_at(buf, &i, "* requests to") ||
3404 looking_at(buf, &i, "Your opponent offers") ||
3405 looking_at(buf, &i, "Your opponent requests")) {
3407 if (appData.colorize) {
3408 if (oldi > next_out) {
3409 SendToPlayer(&buf[next_out], oldi - next_out);
3412 Colorize(ColorRequest, FALSE);
3413 curColor = ColorRequest;
3418 if (looking_at(buf, &i, "* (*) seeking")) {
3419 if (appData.colorize) {
3420 if (oldi > next_out) {
3421 SendToPlayer(&buf[next_out], oldi - next_out);
3424 Colorize(ColorSeek, FALSE);
3425 curColor = ColorSeek;
3430 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3432 if (looking_at(buf, &i, "\\ ")) {
3433 if (prevColor != ColorNormal) {
3434 if (oldi > next_out) {
3435 SendToPlayer(&buf[next_out], oldi - next_out);
3438 Colorize(prevColor, TRUE);
3439 curColor = prevColor;
3441 if (savingComment) {
3442 parse_pos = i - oldi;
3443 memcpy(parse, &buf[oldi], parse_pos);
3444 parse[parse_pos] = NULLCHAR;
3445 started = STARTED_COMMENT;
3446 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3447 chattingPartner = savingComment - 3; // kludge to remember the box
3449 started = STARTED_CHATTER;
3454 if (looking_at(buf, &i, "Black Strength :") ||
3455 looking_at(buf, &i, "<<< style 10 board >>>") ||
3456 looking_at(buf, &i, "<10>") ||
3457 looking_at(buf, &i, "#@#")) {
3458 /* Wrong board style */
3460 SendToICS(ics_prefix);
3461 SendToICS("set style 12\n");
3462 SendToICS(ics_prefix);
3463 SendToICS("refresh\n");
3467 if (looking_at(buf, &i, "login:")) {
3468 if (!have_sent_ICS_logon) {
3470 have_sent_ICS_logon = 1;
3471 else // no init script was found
3472 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3473 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3474 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3479 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3480 (looking_at(buf, &i, "\n<12> ") ||
3481 looking_at(buf, &i, "<12> "))) {
3483 if (oldi > next_out) {
3484 SendToPlayer(&buf[next_out], oldi - next_out);
3487 started = STARTED_BOARD;
3492 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3493 looking_at(buf, &i, "<b1> ")) {
3494 if (oldi > next_out) {
3495 SendToPlayer(&buf[next_out], oldi - next_out);
3498 started = STARTED_HOLDINGS;
3503 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3505 /* Header for a move list -- first line */
3507 switch (ics_getting_history) {
3511 case BeginningOfGame:
3512 /* User typed "moves" or "oldmoves" while we
3513 were idle. Pretend we asked for these
3514 moves and soak them up so user can step
3515 through them and/or save them.
3518 gameMode = IcsObserving;
3521 ics_getting_history = H_GOT_UNREQ_HEADER;
3523 case EditGame: /*?*/
3524 case EditPosition: /*?*/
3525 /* Should above feature work in these modes too? */
3526 /* For now it doesn't */
3527 ics_getting_history = H_GOT_UNWANTED_HEADER;
3530 ics_getting_history = H_GOT_UNWANTED_HEADER;
3535 /* Is this the right one? */
3536 if (gameInfo.white && gameInfo.black &&
3537 strcmp(gameInfo.white, star_match[0]) == 0 &&
3538 strcmp(gameInfo.black, star_match[2]) == 0) {
3540 ics_getting_history = H_GOT_REQ_HEADER;
3543 case H_GOT_REQ_HEADER:
3544 case H_GOT_UNREQ_HEADER:
3545 case H_GOT_UNWANTED_HEADER:
3546 case H_GETTING_MOVES:
3547 /* Should not happen */
3548 DisplayError(_("Error gathering move list: two headers"), 0);
3549 ics_getting_history = H_FALSE;
3553 /* Save player ratings into gameInfo if needed */
3554 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3555 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3556 (gameInfo.whiteRating == -1 ||
3557 gameInfo.blackRating == -1)) {
3559 gameInfo.whiteRating = string_to_rating(star_match[1]);
3560 gameInfo.blackRating = string_to_rating(star_match[3]);
3561 if (appData.debugMode)
3562 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3563 gameInfo.whiteRating, gameInfo.blackRating);
3568 if (looking_at(buf, &i,
3569 "* * match, initial time: * minute*, increment: * second")) {
3570 /* Header for a move list -- second line */
3571 /* Initial board will follow if this is a wild game */
3572 if (gameInfo.event != NULL) free(gameInfo.event);
3573 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3574 gameInfo.event = StrSave(str);
3575 /* [HGM] we switched variant. Translate boards if needed. */
3576 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3580 if (looking_at(buf, &i, "Move ")) {
3581 /* Beginning of a move list */
3582 switch (ics_getting_history) {
3584 /* Normally should not happen */
3585 /* Maybe user hit reset while we were parsing */
3588 /* Happens if we are ignoring a move list that is not
3589 * the one we just requested. Common if the user
3590 * tries to observe two games without turning off
3593 case H_GETTING_MOVES:
3594 /* Should not happen */
3595 DisplayError(_("Error gathering move list: nested"), 0);
3596 ics_getting_history = H_FALSE;
3598 case H_GOT_REQ_HEADER:
3599 ics_getting_history = H_GETTING_MOVES;
3600 started = STARTED_MOVES;
3602 if (oldi > next_out) {
3603 SendToPlayer(&buf[next_out], oldi - next_out);
3606 case H_GOT_UNREQ_HEADER:
3607 ics_getting_history = H_GETTING_MOVES;
3608 started = STARTED_MOVES_NOHIDE;
3611 case H_GOT_UNWANTED_HEADER:
3612 ics_getting_history = H_FALSE;
3618 if (looking_at(buf, &i, "% ") ||
3619 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3620 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3621 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3622 soughtPending = FALSE;
3626 if(suppressKibitz) next_out = i;
3627 savingComment = FALSE;
3631 case STARTED_MOVES_NOHIDE:
3632 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3633 parse[parse_pos + i - oldi] = NULLCHAR;
3634 ParseGameHistory(parse);
3636 if (appData.zippyPlay && first.initDone) {
3637 FeedMovesToProgram(&first, forwardMostMove);
3638 if (gameMode == IcsPlayingWhite) {
3639 if (WhiteOnMove(forwardMostMove)) {
3640 if (first.sendTime) {
3641 if (first.useColors) {
3642 SendToProgram("black\n", &first);
3644 SendTimeRemaining(&first, TRUE);
3646 if (first.useColors) {
3647 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3649 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3650 first.maybeThinking = TRUE;
3652 if (first.usePlayother) {
3653 if (first.sendTime) {
3654 SendTimeRemaining(&first, TRUE);
3656 SendToProgram("playother\n", &first);
3662 } else if (gameMode == IcsPlayingBlack) {
3663 if (!WhiteOnMove(forwardMostMove)) {
3664 if (first.sendTime) {
3665 if (first.useColors) {
3666 SendToProgram("white\n", &first);
3668 SendTimeRemaining(&first, FALSE);
3670 if (first.useColors) {
3671 SendToProgram("black\n", &first);
3673 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3674 first.maybeThinking = TRUE;
3676 if (first.usePlayother) {
3677 if (first.sendTime) {
3678 SendTimeRemaining(&first, FALSE);
3680 SendToProgram("playother\n", &first);
3689 if (gameMode == IcsObserving && ics_gamenum == -1) {
3690 /* Moves came from oldmoves or moves command
3691 while we weren't doing anything else.
3693 currentMove = forwardMostMove;
3694 ClearHighlights();/*!!could figure this out*/
3695 flipView = appData.flipView;
3696 DrawPosition(TRUE, boards[currentMove]);
3697 DisplayBothClocks();
3698 snprintf(str, MSG_SIZ, "%s %s %s",
3699 gameInfo.white, _("vs."), gameInfo.black);
3703 /* Moves were history of an active game */
3704 if (gameInfo.resultDetails != NULL) {
3705 free(gameInfo.resultDetails);
3706 gameInfo.resultDetails = NULL;
3709 HistorySet(parseList, backwardMostMove,
3710 forwardMostMove, currentMove-1);
3711 DisplayMove(currentMove - 1);
3712 if (started == STARTED_MOVES) next_out = i;
3713 started = STARTED_NONE;
3714 ics_getting_history = H_FALSE;
3717 case STARTED_OBSERVE:
3718 started = STARTED_NONE;
3719 SendToICS(ics_prefix);
3720 SendToICS("refresh\n");
3726 if(bookHit) { // [HGM] book: simulate book reply
3727 static char bookMove[MSG_SIZ]; // a bit generous?
3729 programStats.nodes = programStats.depth = programStats.time =
3730 programStats.score = programStats.got_only_move = 0;
3731 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3733 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3734 strcat(bookMove, bookHit);
3735 HandleMachineMove(bookMove, &first);
3740 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3741 started == STARTED_HOLDINGS ||
3742 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3743 /* Accumulate characters in move list or board */
3744 parse[parse_pos++] = buf[i];
3747 /* Start of game messages. Mostly we detect start of game
3748 when the first board image arrives. On some versions
3749 of the ICS, though, we need to do a "refresh" after starting
3750 to observe in order to get the current board right away. */
3751 if (looking_at(buf, &i, "Adding game * to observation list")) {
3752 started = STARTED_OBSERVE;
3756 /* Handle auto-observe */
3757 if (appData.autoObserve &&
3758 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3759 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3761 /* Choose the player that was highlighted, if any. */
3762 if (star_match[0][0] == '\033' ||
3763 star_match[1][0] != '\033') {
3764 player = star_match[0];
3766 player = star_match[2];
3768 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3769 ics_prefix, StripHighlightAndTitle(player));
3772 /* Save ratings from notify string */
3773 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3774 player1Rating = string_to_rating(star_match[1]);
3775 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3776 player2Rating = string_to_rating(star_match[3]);
3778 if (appData.debugMode)
3780 "Ratings from 'Game notification:' %s %d, %s %d\n",
3781 player1Name, player1Rating,
3782 player2Name, player2Rating);
3787 /* Deal with automatic examine mode after a game,
3788 and with IcsObserving -> IcsExamining transition */
3789 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3790 looking_at(buf, &i, "has made you an examiner of game *")) {
3792 int gamenum = atoi(star_match[0]);
3793 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3794 gamenum == ics_gamenum) {
3795 /* We were already playing or observing this game;
3796 no need to refetch history */
3797 gameMode = IcsExamining;
3799 pauseExamForwardMostMove = forwardMostMove;
3800 } else if (currentMove < forwardMostMove) {
3801 ForwardInner(forwardMostMove);
3804 /* I don't think this case really can happen */
3805 SendToICS(ics_prefix);
3806 SendToICS("refresh\n");
3811 /* Error messages */
3812 // if (ics_user_moved) {
3813 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3814 if (looking_at(buf, &i, "Illegal move") ||
3815 looking_at(buf, &i, "Not a legal move") ||
3816 looking_at(buf, &i, "Your king is in check") ||
3817 looking_at(buf, &i, "It isn't your turn") ||
3818 looking_at(buf, &i, "It is not your move")) {
3820 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3821 currentMove = forwardMostMove-1;
3822 DisplayMove(currentMove - 1); /* before DMError */
3823 DrawPosition(FALSE, boards[currentMove]);
3824 SwitchClocks(forwardMostMove-1); // [HGM] race
3825 DisplayBothClocks();
3827 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3833 if (looking_at(buf, &i, "still have time") ||
3834 looking_at(buf, &i, "not out of time") ||
3835 looking_at(buf, &i, "either player is out of time") ||
3836 looking_at(buf, &i, "has timeseal; checking")) {
3837 /* We must have called his flag a little too soon */
3838 whiteFlag = blackFlag = FALSE;
3842 if (looking_at(buf, &i, "added * seconds to") ||
3843 looking_at(buf, &i, "seconds were added to")) {
3844 /* Update the clocks */
3845 SendToICS(ics_prefix);
3846 SendToICS("refresh\n");
3850 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3851 ics_clock_paused = TRUE;
3856 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3857 ics_clock_paused = FALSE;
3862 /* Grab player ratings from the Creating: message.
3863 Note we have to check for the special case when
3864 the ICS inserts things like [white] or [black]. */
3865 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3866 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3868 0 player 1 name (not necessarily white)
3870 2 empty, white, or black (IGNORED)
3871 3 player 2 name (not necessarily black)
3874 The names/ratings are sorted out when the game
3875 actually starts (below).
3877 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3878 player1Rating = string_to_rating(star_match[1]);
3879 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3880 player2Rating = string_to_rating(star_match[4]);
3882 if (appData.debugMode)
3884 "Ratings from 'Creating:' %s %d, %s %d\n",
3885 player1Name, player1Rating,
3886 player2Name, player2Rating);
3891 /* Improved generic start/end-of-game messages */
3892 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3893 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3894 /* If tkind == 0: */
3895 /* star_match[0] is the game number */
3896 /* [1] is the white player's name */
3897 /* [2] is the black player's name */
3898 /* For end-of-game: */
3899 /* [3] is the reason for the game end */
3900 /* [4] is a PGN end game-token, preceded by " " */
3901 /* For start-of-game: */
3902 /* [3] begins with "Creating" or "Continuing" */
3903 /* [4] is " *" or empty (don't care). */
3904 int gamenum = atoi(star_match[0]);
3905 char *whitename, *blackname, *why, *endtoken;
3906 ChessMove endtype = EndOfFile;
3909 whitename = star_match[1];
3910 blackname = star_match[2];
3911 why = star_match[3];
3912 endtoken = star_match[4];
3914 whitename = star_match[1];
3915 blackname = star_match[3];
3916 why = star_match[5];
3917 endtoken = star_match[6];
3920 /* Game start messages */
3921 if (strncmp(why, "Creating ", 9) == 0 ||
3922 strncmp(why, "Continuing ", 11) == 0) {
3923 gs_gamenum = gamenum;
3924 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3925 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3926 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3928 if (appData.zippyPlay) {
3929 ZippyGameStart(whitename, blackname);
3932 partnerBoardValid = FALSE; // [HGM] bughouse
3936 /* Game end messages */
3937 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3938 ics_gamenum != gamenum) {
3941 while (endtoken[0] == ' ') endtoken++;
3942 switch (endtoken[0]) {
3945 endtype = GameUnfinished;
3948 endtype = BlackWins;
3951 if (endtoken[1] == '/')
3952 endtype = GameIsDrawn;
3954 endtype = WhiteWins;
3957 GameEnds(endtype, why, GE_ICS);
3959 if (appData.zippyPlay && first.initDone) {
3960 ZippyGameEnd(endtype, why);
3961 if (first.pr == NoProc) {
3962 /* Start the next process early so that we'll
3963 be ready for the next challenge */
3964 StartChessProgram(&first);
3966 /* Send "new" early, in case this command takes
3967 a long time to finish, so that we'll be ready
3968 for the next challenge. */
3969 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3973 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3977 if (looking_at(buf, &i, "Removing game * from observation") ||
3978 looking_at(buf, &i, "no longer observing game *") ||
3979 looking_at(buf, &i, "Game * (*) has no examiners")) {
3980 if (gameMode == IcsObserving &&
3981 atoi(star_match[0]) == ics_gamenum)
3983 /* icsEngineAnalyze */
3984 if (appData.icsEngineAnalyze) {
3991 ics_user_moved = FALSE;
3996 if (looking_at(buf, &i, "no longer examining game *")) {
3997 if (gameMode == IcsExamining &&
3998 atoi(star_match[0]) == ics_gamenum)
4002 ics_user_moved = FALSE;
4007 /* Advance leftover_start past any newlines we find,
4008 so only partial lines can get reparsed */
4009 if (looking_at(buf, &i, "\n")) {
4010 prevColor = curColor;
4011 if (curColor != ColorNormal) {
4012 if (oldi > next_out) {
4013 SendToPlayer(&buf[next_out], oldi - next_out);
4016 Colorize(ColorNormal, FALSE);
4017 curColor = ColorNormal;
4019 if (started == STARTED_BOARD) {
4020 started = STARTED_NONE;
4021 parse[parse_pos] = NULLCHAR;
4022 ParseBoard12(parse);
4025 /* Send premove here */
4026 if (appData.premove) {
4028 if (currentMove == 0 &&
4029 gameMode == IcsPlayingWhite &&
4030 appData.premoveWhite) {
4031 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4032 if (appData.debugMode)
4033 fprintf(debugFP, "Sending premove:\n");
4035 } else if (currentMove == 1 &&
4036 gameMode == IcsPlayingBlack &&
4037 appData.premoveBlack) {
4038 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4039 if (appData.debugMode)
4040 fprintf(debugFP, "Sending premove:\n");
4042 } else if (gotPremove) {
4044 ClearPremoveHighlights();
4045 if (appData.debugMode)
4046 fprintf(debugFP, "Sending premove:\n");
4047 UserMoveEvent(premoveFromX, premoveFromY,
4048 premoveToX, premoveToY,
4053 /* Usually suppress following prompt */
4054 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4055 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4056 if (looking_at(buf, &i, "*% ")) {
4057 savingComment = FALSE;
4062 } else if (started == STARTED_HOLDINGS) {
4064 char new_piece[MSG_SIZ];
4065 started = STARTED_NONE;
4066 parse[parse_pos] = NULLCHAR;
4067 if (appData.debugMode)
4068 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4069 parse, currentMove);
4070 if (sscanf(parse, " game %d", &gamenum) == 1) {
4071 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4072 if (gameInfo.variant == VariantNormal) {
4073 /* [HGM] We seem to switch variant during a game!
4074 * Presumably no holdings were displayed, so we have
4075 * to move the position two files to the right to
4076 * create room for them!
4078 VariantClass newVariant;
4079 switch(gameInfo.boardWidth) { // base guess on board width
4080 case 9: newVariant = VariantShogi; break;
4081 case 10: newVariant = VariantGreat; break;
4082 default: newVariant = VariantCrazyhouse; break;
4084 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4085 /* Get a move list just to see the header, which
4086 will tell us whether this is really bug or zh */
4087 if (ics_getting_history == H_FALSE) {
4088 ics_getting_history = H_REQUESTED;
4089 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4093 new_piece[0] = NULLCHAR;
4094 sscanf(parse, "game %d white [%s black [%s <- %s",
4095 &gamenum, white_holding, black_holding,
4097 white_holding[strlen(white_holding)-1] = NULLCHAR;
4098 black_holding[strlen(black_holding)-1] = NULLCHAR;
4099 /* [HGM] copy holdings to board holdings area */
4100 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4101 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4102 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4104 if (appData.zippyPlay && first.initDone) {
4105 ZippyHoldings(white_holding, black_holding,
4109 if (tinyLayout || smallLayout) {
4110 char wh[16], bh[16];
4111 PackHolding(wh, white_holding);
4112 PackHolding(bh, black_holding);
4113 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4114 gameInfo.white, gameInfo.black);
4116 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4117 gameInfo.white, white_holding, _("vs."),
4118 gameInfo.black, black_holding);
4120 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4121 DrawPosition(FALSE, boards[currentMove]);
4123 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4124 sscanf(parse, "game %d white [%s black [%s <- %s",
4125 &gamenum, white_holding, black_holding,
4127 white_holding[strlen(white_holding)-1] = NULLCHAR;
4128 black_holding[strlen(black_holding)-1] = NULLCHAR;
4129 /* [HGM] copy holdings to partner-board holdings area */
4130 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4131 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4132 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4133 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4134 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4137 /* Suppress following prompt */
4138 if (looking_at(buf, &i, "*% ")) {
4139 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4140 savingComment = FALSE;
4148 i++; /* skip unparsed character and loop back */
4151 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4152 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4153 // SendToPlayer(&buf[next_out], i - next_out);
4154 started != STARTED_HOLDINGS && leftover_start > next_out) {
4155 SendToPlayer(&buf[next_out], leftover_start - next_out);
4159 leftover_len = buf_len - leftover_start;
4160 /* if buffer ends with something we couldn't parse,
4161 reparse it after appending the next read */
4163 } else if (count == 0) {
4164 RemoveInputSource(isr);
4165 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4167 DisplayFatalError(_("Error reading from ICS"), error, 1);
4172 /* Board style 12 looks like this:
4174 <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
4176 * The "<12> " is stripped before it gets to this routine. The two
4177 * trailing 0's (flip state and clock ticking) are later addition, and
4178 * some chess servers may not have them, or may have only the first.
4179 * Additional trailing fields may be added in the future.
4182 #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"
4184 #define RELATION_OBSERVING_PLAYED 0
4185 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4186 #define RELATION_PLAYING_MYMOVE 1
4187 #define RELATION_PLAYING_NOTMYMOVE -1
4188 #define RELATION_EXAMINING 2
4189 #define RELATION_ISOLATED_BOARD -3
4190 #define RELATION_STARTING_POSITION -4 /* FICS only */
4193 ParseBoard12 (char *string)
4197 char *bookHit = NULL; // [HGM] book
4199 GameMode newGameMode;
4200 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4201 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4202 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4203 char to_play, board_chars[200];
4204 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4205 char black[32], white[32];
4207 int prevMove = currentMove;
4210 int fromX, fromY, toX, toY;
4212 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4213 Boolean weird = FALSE, reqFlag = FALSE;
4215 fromX = fromY = toX = toY = -1;
4219 if (appData.debugMode)
4220 fprintf(debugFP, "Parsing board: %s\n", string);
4222 move_str[0] = NULLCHAR;
4223 elapsed_time[0] = NULLCHAR;
4224 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4226 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4227 if(string[i] == ' ') { ranks++; files = 0; }
4229 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4232 for(j = 0; j <i; j++) board_chars[j] = string[j];
4233 board_chars[i] = '\0';
4236 n = sscanf(string, PATTERN, &to_play, &double_push,
4237 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4238 &gamenum, white, black, &relation, &basetime, &increment,
4239 &white_stren, &black_stren, &white_time, &black_time,
4240 &moveNum, str, elapsed_time, move_str, &ics_flip,
4244 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4245 DisplayError(str, 0);
4249 /* Convert the move number to internal form */
4250 moveNum = (moveNum - 1) * 2;
4251 if (to_play == 'B') moveNum++;
4252 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4253 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4259 case RELATION_OBSERVING_PLAYED:
4260 case RELATION_OBSERVING_STATIC:
4261 if (gamenum == -1) {
4262 /* Old ICC buglet */
4263 relation = RELATION_OBSERVING_STATIC;
4265 newGameMode = IcsObserving;
4267 case RELATION_PLAYING_MYMOVE:
4268 case RELATION_PLAYING_NOTMYMOVE:
4270 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4271 IcsPlayingWhite : IcsPlayingBlack;
4272 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4274 case RELATION_EXAMINING:
4275 newGameMode = IcsExamining;
4277 case RELATION_ISOLATED_BOARD:
4279 /* Just display this board. If user was doing something else,
4280 we will forget about it until the next board comes. */
4281 newGameMode = IcsIdle;
4283 case RELATION_STARTING_POSITION:
4284 newGameMode = gameMode;
4288 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4289 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4290 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4291 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4292 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4293 static int lastBgGame = -1;
4295 for (k = 0; k < ranks; k++) {
4296 for (j = 0; j < files; j++)
4297 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4298 if(gameInfo.holdingsWidth > 1) {
4299 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4300 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4303 CopyBoard(partnerBoard, board);
4304 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4305 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4306 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4307 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4308 if(toSqr = strchr(str, '-')) {
4309 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4310 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4311 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4312 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4313 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4314 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4316 DisplayWhiteClock(white_time*fac, to_play == 'W');
4317 DisplayBlackClock(black_time*fac, to_play != 'W');
4318 activePartner = to_play;
4319 if(gamenum != lastBgGame) {
4321 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4324 lastBgGame = gamenum;
4325 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4326 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4327 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4328 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4329 if(!twoBoards) DisplayMessage(partnerStatus, "");
4330 partnerBoardValid = TRUE;
4334 if(appData.dualBoard && appData.bgObserve) {
4335 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4336 SendToICS(ics_prefix), SendToICS("pobserve\n");
4337 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4339 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4344 /* Modify behavior for initial board display on move listing
4347 switch (ics_getting_history) {
4351 case H_GOT_REQ_HEADER:
4352 case H_GOT_UNREQ_HEADER:
4353 /* This is the initial position of the current game */
4354 gamenum = ics_gamenum;
4355 moveNum = 0; /* old ICS bug workaround */
4356 if (to_play == 'B') {
4357 startedFromSetupPosition = TRUE;
4358 blackPlaysFirst = TRUE;
4360 if (forwardMostMove == 0) forwardMostMove = 1;
4361 if (backwardMostMove == 0) backwardMostMove = 1;
4362 if (currentMove == 0) currentMove = 1;
4364 newGameMode = gameMode;
4365 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4367 case H_GOT_UNWANTED_HEADER:
4368 /* This is an initial board that we don't want */
4370 case H_GETTING_MOVES:
4371 /* Should not happen */
4372 DisplayError(_("Error gathering move list: extra board"), 0);
4373 ics_getting_history = H_FALSE;
4377 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4378 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4379 weird && (int)gameInfo.variant < (int)VariantShogi) {
4380 /* [HGM] We seem to have switched variant unexpectedly
4381 * Try to guess new variant from board size
4383 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4384 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4385 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4386 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4387 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4388 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4389 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4390 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4391 /* Get a move list just to see the header, which
4392 will tell us whether this is really bug or zh */
4393 if (ics_getting_history == H_FALSE) {
4394 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4395 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4400 /* Take action if this is the first board of a new game, or of a
4401 different game than is currently being displayed. */
4402 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4403 relation == RELATION_ISOLATED_BOARD) {
4405 /* Forget the old game and get the history (if any) of the new one */
4406 if (gameMode != BeginningOfGame) {
4410 if (appData.autoRaiseBoard) BoardToTop();
4412 if (gamenum == -1) {
4413 newGameMode = IcsIdle;
4414 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4415 appData.getMoveList && !reqFlag) {
4416 /* Need to get game history */
4417 ics_getting_history = H_REQUESTED;
4418 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4422 /* Initially flip the board to have black on the bottom if playing
4423 black or if the ICS flip flag is set, but let the user change
4424 it with the Flip View button. */
4425 flipView = appData.autoFlipView ?
4426 (newGameMode == IcsPlayingBlack) || ics_flip :
4429 /* Done with values from previous mode; copy in new ones */
4430 gameMode = newGameMode;
4432 ics_gamenum = gamenum;
4433 if (gamenum == gs_gamenum) {
4434 int klen = strlen(gs_kind);
4435 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4436 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4437 gameInfo.event = StrSave(str);
4439 gameInfo.event = StrSave("ICS game");
4441 gameInfo.site = StrSave(appData.icsHost);
4442 gameInfo.date = PGNDate();
4443 gameInfo.round = StrSave("-");
4444 gameInfo.white = StrSave(white);
4445 gameInfo.black = StrSave(black);
4446 timeControl = basetime * 60 * 1000;
4448 timeIncrement = increment * 1000;
4449 movesPerSession = 0;
4450 gameInfo.timeControl = TimeControlTagValue();
4451 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4452 if (appData.debugMode) {
4453 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4454 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4455 setbuf(debugFP, NULL);
4458 gameInfo.outOfBook = NULL;
4460 /* Do we have the ratings? */
4461 if (strcmp(player1Name, white) == 0 &&
4462 strcmp(player2Name, black) == 0) {
4463 if (appData.debugMode)
4464 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4465 player1Rating, player2Rating);
4466 gameInfo.whiteRating = player1Rating;
4467 gameInfo.blackRating = player2Rating;
4468 } else if (strcmp(player2Name, white) == 0 &&
4469 strcmp(player1Name, black) == 0) {
4470 if (appData.debugMode)
4471 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4472 player2Rating, player1Rating);
4473 gameInfo.whiteRating = player2Rating;
4474 gameInfo.blackRating = player1Rating;
4476 player1Name[0] = player2Name[0] = NULLCHAR;
4478 /* Silence shouts if requested */
4479 if (appData.quietPlay &&
4480 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4481 SendToICS(ics_prefix);
4482 SendToICS("set shout 0\n");
4486 /* Deal with midgame name changes */
4488 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4489 if (gameInfo.white) free(gameInfo.white);
4490 gameInfo.white = StrSave(white);
4492 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4493 if (gameInfo.black) free(gameInfo.black);
4494 gameInfo.black = StrSave(black);
4498 /* Throw away game result if anything actually changes in examine mode */
4499 if (gameMode == IcsExamining && !newGame) {
4500 gameInfo.result = GameUnfinished;
4501 if (gameInfo.resultDetails != NULL) {
4502 free(gameInfo.resultDetails);
4503 gameInfo.resultDetails = NULL;
4507 /* In pausing && IcsExamining mode, we ignore boards coming
4508 in if they are in a different variation than we are. */
4509 if (pauseExamInvalid) return;
4510 if (pausing && gameMode == IcsExamining) {
4511 if (moveNum <= pauseExamForwardMostMove) {
4512 pauseExamInvalid = TRUE;
4513 forwardMostMove = pauseExamForwardMostMove;
4518 if (appData.debugMode) {
4519 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4521 /* Parse the board */
4522 for (k = 0; k < ranks; k++) {
4523 for (j = 0; j < files; j++)
4524 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4525 if(gameInfo.holdingsWidth > 1) {
4526 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4527 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4530 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4531 board[5][BOARD_RGHT+1] = WhiteAngel;
4532 board[6][BOARD_RGHT+1] = WhiteMarshall;
4533 board[1][0] = BlackMarshall;
4534 board[2][0] = BlackAngel;
4535 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4537 CopyBoard(boards[moveNum], board);
4538 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4540 startedFromSetupPosition =
4541 !CompareBoards(board, initialPosition);
4542 if(startedFromSetupPosition)
4543 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4546 /* [HGM] Set castling rights. Take the outermost Rooks,
4547 to make it also work for FRC opening positions. Note that board12
4548 is really defective for later FRC positions, as it has no way to
4549 indicate which Rook can castle if they are on the same side of King.
4550 For the initial position we grant rights to the outermost Rooks,
4551 and remember thos rights, and we then copy them on positions
4552 later in an FRC game. This means WB might not recognize castlings with
4553 Rooks that have moved back to their original position as illegal,
4554 but in ICS mode that is not its job anyway.
4556 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4557 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4559 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4560 if(board[0][i] == WhiteRook) j = i;
4561 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4562 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4563 if(board[0][i] == WhiteRook) j = i;
4564 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4565 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4566 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4567 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4568 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4569 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4570 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4572 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4573 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4574 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4575 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4576 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4577 if(board[BOARD_HEIGHT-1][k] == bKing)
4578 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4579 if(gameInfo.variant == VariantTwoKings) {
4580 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4581 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4582 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4585 r = boards[moveNum][CASTLING][0] = initialRights[0];
4586 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4587 r = boards[moveNum][CASTLING][1] = initialRights[1];
4588 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4589 r = boards[moveNum][CASTLING][3] = initialRights[3];
4590 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4591 r = boards[moveNum][CASTLING][4] = initialRights[4];
4592 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4593 /* wildcastle kludge: always assume King has rights */
4594 r = boards[moveNum][CASTLING][2] = initialRights[2];
4595 r = boards[moveNum][CASTLING][5] = initialRights[5];
4597 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4598 boards[moveNum][EP_STATUS] = EP_NONE;
4599 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4600 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4601 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4604 if (ics_getting_history == H_GOT_REQ_HEADER ||
4605 ics_getting_history == H_GOT_UNREQ_HEADER) {
4606 /* This was an initial position from a move list, not
4607 the current position */
4611 /* Update currentMove and known move number limits */
4612 newMove = newGame || moveNum > forwardMostMove;
4615 forwardMostMove = backwardMostMove = currentMove = moveNum;
4616 if (gameMode == IcsExamining && moveNum == 0) {
4617 /* Workaround for ICS limitation: we are not told the wild
4618 type when starting to examine a game. But if we ask for
4619 the move list, the move list header will tell us */
4620 ics_getting_history = H_REQUESTED;
4621 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4624 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4625 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4627 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4628 /* [HGM] applied this also to an engine that is silently watching */
4629 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4630 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4631 gameInfo.variant == currentlyInitializedVariant) {
4632 takeback = forwardMostMove - moveNum;
4633 for (i = 0; i < takeback; i++) {
4634 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4635 SendToProgram("undo\n", &first);
4640 forwardMostMove = moveNum;
4641 if (!pausing || currentMove > forwardMostMove)
4642 currentMove = forwardMostMove;
4644 /* New part of history that is not contiguous with old part */
4645 if (pausing && gameMode == IcsExamining) {
4646 pauseExamInvalid = TRUE;
4647 forwardMostMove = pauseExamForwardMostMove;
4650 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4652 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4653 // [HGM] when we will receive the move list we now request, it will be
4654 // fed to the engine from the first move on. So if the engine is not
4655 // in the initial position now, bring it there.
4656 InitChessProgram(&first, 0);
4659 ics_getting_history = H_REQUESTED;
4660 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4663 forwardMostMove = backwardMostMove = currentMove = moveNum;
4666 /* Update the clocks */
4667 if (strchr(elapsed_time, '.')) {
4669 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4670 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4672 /* Time is in seconds */
4673 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4674 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4679 if (appData.zippyPlay && newGame &&
4680 gameMode != IcsObserving && gameMode != IcsIdle &&
4681 gameMode != IcsExamining)
4682 ZippyFirstBoard(moveNum, basetime, increment);
4685 /* Put the move on the move list, first converting
4686 to canonical algebraic form. */
4688 if (appData.debugMode) {
4689 int f = forwardMostMove;
4690 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4691 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4692 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4693 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4694 fprintf(debugFP, "moveNum = %d\n", moveNum);
4695 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4696 setbuf(debugFP, NULL);
4698 if (moveNum <= backwardMostMove) {
4699 /* We don't know what the board looked like before
4701 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4702 strcat(parseList[moveNum - 1], " ");
4703 strcat(parseList[moveNum - 1], elapsed_time);
4704 moveList[moveNum - 1][0] = NULLCHAR;
4705 } else if (strcmp(move_str, "none") == 0) {
4706 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4707 /* Again, we don't know what the board looked like;
4708 this is really the start of the game. */
4709 parseList[moveNum - 1][0] = NULLCHAR;
4710 moveList[moveNum - 1][0] = NULLCHAR;
4711 backwardMostMove = moveNum;
4712 startedFromSetupPosition = TRUE;
4713 fromX = fromY = toX = toY = -1;
4715 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4716 // So we parse the long-algebraic move string in stead of the SAN move
4717 int valid; char buf[MSG_SIZ], *prom;
4719 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4720 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4721 // str looks something like "Q/a1-a2"; kill the slash
4723 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4724 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4725 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4726 strcat(buf, prom); // long move lacks promo specification!
4727 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4728 if(appData.debugMode)
4729 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4730 safeStrCpy(move_str, buf, MSG_SIZ);
4732 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4733 &fromX, &fromY, &toX, &toY, &promoChar)
4734 || ParseOneMove(buf, moveNum - 1, &moveType,
4735 &fromX, &fromY, &toX, &toY, &promoChar);
4736 // end of long SAN patch
4738 (void) CoordsToAlgebraic(boards[moveNum - 1],
4739 PosFlags(moveNum - 1),
4740 fromY, fromX, toY, toX, promoChar,
4741 parseList[moveNum-1]);
4742 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4748 if(gameInfo.variant != VariantShogi)
4749 strcat(parseList[moveNum - 1], "+");
4752 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4753 strcat(parseList[moveNum - 1], "#");
4756 strcat(parseList[moveNum - 1], " ");
4757 strcat(parseList[moveNum - 1], elapsed_time);
4758 /* currentMoveString is set as a side-effect of ParseOneMove */
4759 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4760 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4761 strcat(moveList[moveNum - 1], "\n");
4763 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4764 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4765 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4766 ChessSquare old, new = boards[moveNum][k][j];
4767 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4768 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4769 if(old == new) continue;
4770 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4771 else if(new == WhiteWazir || new == BlackWazir) {
4772 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4773 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4774 else boards[moveNum][k][j] = old; // preserve type of Gold
4775 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4776 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4779 /* Move from ICS was illegal!? Punt. */
4780 if (appData.debugMode) {
4781 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4782 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4784 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4785 strcat(parseList[moveNum - 1], " ");
4786 strcat(parseList[moveNum - 1], elapsed_time);
4787 moveList[moveNum - 1][0] = NULLCHAR;
4788 fromX = fromY = toX = toY = -1;
4791 if (appData.debugMode) {
4792 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4793 setbuf(debugFP, NULL);
4797 /* Send move to chess program (BEFORE animating it). */
4798 if (appData.zippyPlay && !newGame && newMove &&
4799 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4801 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4802 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4803 if (moveList[moveNum - 1][0] == NULLCHAR) {
4804 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4806 DisplayError(str, 0);
4808 if (first.sendTime) {
4809 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4811 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4812 if (firstMove && !bookHit) {
4814 if (first.useColors) {
4815 SendToProgram(gameMode == IcsPlayingWhite ?
4817 "black\ngo\n", &first);
4819 SendToProgram("go\n", &first);
4821 first.maybeThinking = TRUE;
4824 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4825 if (moveList[moveNum - 1][0] == NULLCHAR) {
4826 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4827 DisplayError(str, 0);
4829 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4830 SendMoveToProgram(moveNum - 1, &first);
4837 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4838 /* If move comes from a remote source, animate it. If it
4839 isn't remote, it will have already been animated. */
4840 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4841 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4843 if (!pausing && appData.highlightLastMove) {
4844 SetHighlights(fromX, fromY, toX, toY);
4848 /* Start the clocks */
4849 whiteFlag = blackFlag = FALSE;
4850 appData.clockMode = !(basetime == 0 && increment == 0);
4852 ics_clock_paused = TRUE;
4854 } else if (ticking == 1) {
4855 ics_clock_paused = FALSE;
4857 if (gameMode == IcsIdle ||
4858 relation == RELATION_OBSERVING_STATIC ||
4859 relation == RELATION_EXAMINING ||
4861 DisplayBothClocks();
4865 /* Display opponents and material strengths */
4866 if (gameInfo.variant != VariantBughouse &&
4867 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4868 if (tinyLayout || smallLayout) {
4869 if(gameInfo.variant == VariantNormal)
4870 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4871 gameInfo.white, white_stren, gameInfo.black, black_stren,
4872 basetime, increment);
4874 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4875 gameInfo.white, white_stren, gameInfo.black, black_stren,
4876 basetime, increment, (int) gameInfo.variant);
4878 if(gameInfo.variant == VariantNormal)
4879 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4880 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4881 basetime, increment);
4883 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4884 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4885 basetime, increment, VariantName(gameInfo.variant));
4888 if (appData.debugMode) {
4889 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4894 /* Display the board */
4895 if (!pausing && !appData.noGUI) {
4897 if (appData.premove)
4899 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4900 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4901 ClearPremoveHighlights();
4903 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4904 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4905 DrawPosition(j, boards[currentMove]);
4907 DisplayMove(moveNum - 1);
4908 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4909 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4910 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4911 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4915 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4917 if(bookHit) { // [HGM] book: simulate book reply
4918 static char bookMove[MSG_SIZ]; // a bit generous?
4920 programStats.nodes = programStats.depth = programStats.time =
4921 programStats.score = programStats.got_only_move = 0;
4922 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4924 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4925 strcat(bookMove, bookHit);
4926 HandleMachineMove(bookMove, &first);
4935 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4936 ics_getting_history = H_REQUESTED;
4937 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4943 SendToBoth (char *msg)
4944 { // to make it easy to keep two engines in step in dual analysis
4945 SendToProgram(msg, &first);
4946 if(second.analyzing) SendToProgram(msg, &second);
4950 AnalysisPeriodicEvent (int force)
4952 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4953 && !force) || !appData.periodicUpdates)
4956 /* Send . command to Crafty to collect stats */
4959 /* Don't send another until we get a response (this makes
4960 us stop sending to old Crafty's which don't understand
4961 the "." command (sending illegal cmds resets node count & time,
4962 which looks bad)) */
4963 programStats.ok_to_send = 0;
4967 ics_update_width (int new_width)
4969 ics_printf("set width %d\n", new_width);
4973 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4977 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4978 // null move in variant where engine does not understand it (for analysis purposes)
4979 SendBoard(cps, moveNum + 1); // send position after move in stead.
4982 if (cps->useUsermove) {
4983 SendToProgram("usermove ", cps);
4987 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4988 int len = space - parseList[moveNum];
4989 memcpy(buf, parseList[moveNum], len);
4991 buf[len] = NULLCHAR;
4993 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4995 SendToProgram(buf, cps);
4997 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4998 AlphaRank(moveList[moveNum], 4);
4999 SendToProgram(moveList[moveNum], cps);
5000 AlphaRank(moveList[moveNum], 4); // and back
5002 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5003 * the engine. It would be nice to have a better way to identify castle
5005 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5006 && cps->useOOCastle) {
5007 int fromX = moveList[moveNum][0] - AAA;
5008 int fromY = moveList[moveNum][1] - ONE;
5009 int toX = moveList[moveNum][2] - AAA;
5010 int toY = moveList[moveNum][3] - ONE;
5011 if((boards[moveNum][fromY][fromX] == WhiteKing
5012 && boards[moveNum][toY][toX] == WhiteRook)
5013 || (boards[moveNum][fromY][fromX] == BlackKing
5014 && boards[moveNum][toY][toX] == BlackRook)) {
5015 if(toX > fromX) SendToProgram("O-O\n", cps);
5016 else SendToProgram("O-O-O\n", cps);
5018 else SendToProgram(moveList[moveNum], cps);
5020 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5021 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5022 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5023 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5024 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5026 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5027 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5028 SendToProgram(buf, cps);
5030 else SendToProgram(moveList[moveNum], cps);
5031 /* End of additions by Tord */
5034 /* [HGM] setting up the opening has brought engine in force mode! */
5035 /* Send 'go' if we are in a mode where machine should play. */
5036 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5037 (gameMode == TwoMachinesPlay ||
5039 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5041 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5042 SendToProgram("go\n", cps);
5043 if (appData.debugMode) {
5044 fprintf(debugFP, "(extra)\n");
5047 setboardSpoiledMachineBlack = 0;
5051 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5053 char user_move[MSG_SIZ];
5056 if(gameInfo.variant == VariantSChess && promoChar) {
5057 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5058 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5059 } else suffix[0] = NULLCHAR;
5063 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5064 (int)moveType, fromX, fromY, toX, toY);
5065 DisplayError(user_move + strlen("say "), 0);
5067 case WhiteKingSideCastle:
5068 case BlackKingSideCastle:
5069 case WhiteQueenSideCastleWild:
5070 case BlackQueenSideCastleWild:
5072 case WhiteHSideCastleFR:
5073 case BlackHSideCastleFR:
5075 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5077 case WhiteQueenSideCastle:
5078 case BlackQueenSideCastle:
5079 case WhiteKingSideCastleWild:
5080 case BlackKingSideCastleWild:
5082 case WhiteASideCastleFR:
5083 case BlackASideCastleFR:
5085 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5087 case WhiteNonPromotion:
5088 case BlackNonPromotion:
5089 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5091 case WhitePromotion:
5092 case BlackPromotion:
5093 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5094 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5095 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5096 PieceToChar(WhiteFerz));
5097 else if(gameInfo.variant == VariantGreat)
5098 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5099 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5100 PieceToChar(WhiteMan));
5102 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5103 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5109 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5110 ToUpper(PieceToChar((ChessSquare) fromX)),
5111 AAA + toX, ONE + toY);
5113 case IllegalMove: /* could be a variant we don't quite understand */
5114 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5116 case WhiteCapturesEnPassant:
5117 case BlackCapturesEnPassant:
5118 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5119 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5122 SendToICS(user_move);
5123 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5124 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5129 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5130 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5131 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5132 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5133 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5136 if(gameMode != IcsExamining) { // is this ever not the case?
5137 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5139 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5140 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5141 } else { // on FICS we must first go to general examine mode
5142 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5144 if(gameInfo.variant != VariantNormal) {
5145 // try figure out wild number, as xboard names are not always valid on ICS
5146 for(i=1; i<=36; i++) {
5147 snprintf(buf, MSG_SIZ, "wild/%d", i);
5148 if(StringToVariant(buf) == gameInfo.variant) break;
5150 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5151 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5152 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5153 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5154 SendToICS(ics_prefix);
5156 if(startedFromSetupPosition || backwardMostMove != 0) {
5157 fen = PositionToFEN(backwardMostMove, NULL);
5158 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5159 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5161 } else { // FICS: everything has to set by separate bsetup commands
5162 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5163 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5165 if(!WhiteOnMove(backwardMostMove)) {
5166 SendToICS("bsetup tomove black\n");
5168 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5169 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5171 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5172 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5174 i = boards[backwardMostMove][EP_STATUS];
5175 if(i >= 0) { // set e.p.
5176 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5182 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5183 SendToICS("bsetup done\n"); // switch to normal examining.
5185 for(i = backwardMostMove; i<last; i++) {
5187 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5188 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5189 int len = strlen(moveList[i]);
5190 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5191 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5195 SendToICS(ics_prefix);
5196 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5200 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5202 if (rf == DROP_RANK) {
5203 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5204 sprintf(move, "%c@%c%c\n",
5205 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5207 if (promoChar == 'x' || promoChar == NULLCHAR) {
5208 sprintf(move, "%c%c%c%c\n",
5209 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5211 sprintf(move, "%c%c%c%c%c\n",
5212 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5218 ProcessICSInitScript (FILE *f)
5222 while (fgets(buf, MSG_SIZ, f)) {
5223 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5230 static int lastX, lastY, selectFlag, dragging;
5235 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5236 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5237 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5238 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5239 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5240 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5243 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5244 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5245 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5246 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5247 if(!step) step = -1;
5248 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5249 appData.testLegality && (promoSweep == king ||
5250 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5252 int victim = boards[currentMove][toY][toX];
5253 boards[currentMove][toY][toX] = promoSweep;
5254 DrawPosition(FALSE, boards[currentMove]);
5255 boards[currentMove][toY][toX] = victim;
5257 ChangeDragPiece(promoSweep);
5261 PromoScroll (int x, int y)
5265 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5266 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5267 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5268 if(!step) return FALSE;
5269 lastX = x; lastY = y;
5270 if((promoSweep < BlackPawn) == flipView) step = -step;
5271 if(step > 0) selectFlag = 1;
5272 if(!selectFlag) Sweep(step);
5277 NextPiece (int step)
5279 ChessSquare piece = boards[currentMove][toY][toX];
5282 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5283 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5284 if(!step) step = -1;
5285 } while(PieceToChar(pieceSweep) == '.');
5286 boards[currentMove][toY][toX] = pieceSweep;
5287 DrawPosition(FALSE, boards[currentMove]);
5288 boards[currentMove][toY][toX] = piece;
5290 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5292 AlphaRank (char *move, int n)
5294 // char *p = move, c; int x, y;
5296 if (appData.debugMode) {
5297 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5301 move[2]>='0' && move[2]<='9' &&
5302 move[3]>='a' && move[3]<='x' ) {
5304 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5305 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5307 if(move[0]>='0' && move[0]<='9' &&
5308 move[1]>='a' && move[1]<='x' &&
5309 move[2]>='0' && move[2]<='9' &&
5310 move[3]>='a' && move[3]<='x' ) {
5311 /* input move, Shogi -> normal */
5312 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5313 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5314 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5315 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5318 move[3]>='0' && move[3]<='9' &&
5319 move[2]>='a' && move[2]<='x' ) {
5321 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5322 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5325 move[0]>='a' && move[0]<='x' &&
5326 move[3]>='0' && move[3]<='9' &&
5327 move[2]>='a' && move[2]<='x' ) {
5328 /* output move, normal -> Shogi */
5329 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5330 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5331 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5332 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5333 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5335 if (appData.debugMode) {
5336 fprintf(debugFP, " out = '%s'\n", move);
5340 char yy_textstr[8000];
5342 /* Parser for moves from gnuchess, ICS, or user typein box */
5344 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5346 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5348 switch (*moveType) {
5349 case WhitePromotion:
5350 case BlackPromotion:
5351 case WhiteNonPromotion:
5352 case BlackNonPromotion:
5354 case WhiteCapturesEnPassant:
5355 case BlackCapturesEnPassant:
5356 case WhiteKingSideCastle:
5357 case WhiteQueenSideCastle:
5358 case BlackKingSideCastle:
5359 case BlackQueenSideCastle:
5360 case WhiteKingSideCastleWild:
5361 case WhiteQueenSideCastleWild:
5362 case BlackKingSideCastleWild:
5363 case BlackQueenSideCastleWild:
5364 /* Code added by Tord: */
5365 case WhiteHSideCastleFR:
5366 case WhiteASideCastleFR:
5367 case BlackHSideCastleFR:
5368 case BlackASideCastleFR:
5369 /* End of code added by Tord */
5370 case IllegalMove: /* bug or odd chess variant */
5371 *fromX = currentMoveString[0] - AAA;
5372 *fromY = currentMoveString[1] - ONE;
5373 *toX = currentMoveString[2] - AAA;
5374 *toY = currentMoveString[3] - ONE;
5375 *promoChar = currentMoveString[4];
5376 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5377 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5378 if (appData.debugMode) {
5379 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5381 *fromX = *fromY = *toX = *toY = 0;
5384 if (appData.testLegality) {
5385 return (*moveType != IllegalMove);
5387 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5388 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5393 *fromX = *moveType == WhiteDrop ?
5394 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5395 (int) CharToPiece(ToLower(currentMoveString[0]));
5397 *toX = currentMoveString[2] - AAA;
5398 *toY = currentMoveString[3] - ONE;
5399 *promoChar = NULLCHAR;
5403 case ImpossibleMove:
5413 if (appData.debugMode) {
5414 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5417 *fromX = *fromY = *toX = *toY = 0;
5418 *promoChar = NULLCHAR;
5423 Boolean pushed = FALSE;
5424 char *lastParseAttempt;
5427 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5428 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5429 int fromX, fromY, toX, toY; char promoChar;
5434 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5435 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5436 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5439 endPV = forwardMostMove;
5441 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5442 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5443 lastParseAttempt = pv;
5444 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5445 if(!valid && nr == 0 &&
5446 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5447 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5448 // Hande case where played move is different from leading PV move
5449 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5450 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5451 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5452 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5453 endPV += 2; // if position different, keep this
5454 moveList[endPV-1][0] = fromX + AAA;
5455 moveList[endPV-1][1] = fromY + ONE;
5456 moveList[endPV-1][2] = toX + AAA;
5457 moveList[endPV-1][3] = toY + ONE;
5458 parseList[endPV-1][0] = NULLCHAR;
5459 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5462 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5463 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5464 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5465 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5466 valid++; // allow comments in PV
5470 if(endPV+1 > framePtr) break; // no space, truncate
5473 CopyBoard(boards[endPV], boards[endPV-1]);
5474 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5475 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5476 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5477 CoordsToAlgebraic(boards[endPV - 1],
5478 PosFlags(endPV - 1),
5479 fromY, fromX, toY, toX, promoChar,
5480 parseList[endPV - 1]);
5482 if(atEnd == 2) return; // used hidden, for PV conversion
5483 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5484 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5485 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5486 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5487 DrawPosition(TRUE, boards[currentMove]);
5491 MultiPV (ChessProgramState *cps)
5492 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5494 for(i=0; i<cps->nrOptions; i++)
5495 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5500 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5503 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5505 int startPV, multi, lineStart, origIndex = index;
5506 char *p, buf2[MSG_SIZ];
5507 ChessProgramState *cps = (pane ? &second : &first);
5509 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5510 lastX = x; lastY = y;
5511 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5512 lineStart = startPV = index;
5513 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5514 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5516 do{ while(buf[index] && buf[index] != '\n') index++;
5517 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5519 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5520 int n = cps->option[multi].value;
5521 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5522 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5523 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5524 cps->option[multi].value = n;
5527 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5528 ExcludeClick(origIndex - lineStart);
5531 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5532 *start = startPV; *end = index-1;
5533 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5540 static char buf[10*MSG_SIZ];
5541 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5543 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5544 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5545 for(i = forwardMostMove; i<endPV; i++){
5546 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5547 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5550 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5551 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5552 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5558 LoadPV (int x, int y)
5559 { // called on right mouse click to load PV
5560 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5561 lastX = x; lastY = y;
5562 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5570 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5571 if(endPV < 0) return;
5572 if(appData.autoCopyPV) CopyFENToClipboard();
5574 if(extendGame && currentMove > forwardMostMove) {
5575 Boolean saveAnimate = appData.animate;
5577 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5578 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5579 } else storedGames--; // abandon shelved tail of original game
5582 forwardMostMove = currentMove;
5583 currentMove = oldFMM;
5584 appData.animate = FALSE;
5585 ToNrEvent(forwardMostMove);
5586 appData.animate = saveAnimate;
5588 currentMove = forwardMostMove;
5589 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5590 ClearPremoveHighlights();
5591 DrawPosition(TRUE, boards[currentMove]);
5595 MovePV (int x, int y, int h)
5596 { // step through PV based on mouse coordinates (called on mouse move)
5597 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5599 // we must somehow check if right button is still down (might be released off board!)
5600 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5601 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5602 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5604 lastX = x; lastY = y;
5606 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5607 if(endPV < 0) return;
5608 if(y < margin) step = 1; else
5609 if(y > h - margin) step = -1;
5610 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5611 currentMove += step;
5612 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5613 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5614 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5615 DrawPosition(FALSE, boards[currentMove]);
5619 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5620 // All positions will have equal probability, but the current method will not provide a unique
5621 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5627 int piecesLeft[(int)BlackPawn];
5628 int seed, nrOfShuffles;
5631 GetPositionNumber ()
5632 { // sets global variable seed
5635 seed = appData.defaultFrcPosition;
5636 if(seed < 0) { // randomize based on time for negative FRC position numbers
5637 for(i=0; i<50; i++) seed += random();
5638 seed = random() ^ random() >> 8 ^ random() << 8;
5639 if(seed<0) seed = -seed;
5644 put (Board board, int pieceType, int rank, int n, int shade)
5645 // put the piece on the (n-1)-th empty squares of the given shade
5649 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5650 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5651 board[rank][i] = (ChessSquare) pieceType;
5652 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5654 piecesLeft[pieceType]--;
5663 AddOnePiece (Board board, int pieceType, int rank, int shade)
5664 // calculate where the next piece goes, (any empty square), and put it there
5668 i = seed % squaresLeft[shade];
5669 nrOfShuffles *= squaresLeft[shade];
5670 seed /= squaresLeft[shade];
5671 put(board, pieceType, rank, i, shade);
5675 AddTwoPieces (Board board, int pieceType, int rank)
5676 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5678 int i, n=squaresLeft[ANY], j=n-1, k;
5680 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5681 i = seed % k; // pick one
5684 while(i >= j) i -= j--;
5685 j = n - 1 - j; i += j;
5686 put(board, pieceType, rank, j, ANY);
5687 put(board, pieceType, rank, i, ANY);
5691 SetUpShuffle (Board board, int number)
5695 GetPositionNumber(); nrOfShuffles = 1;
5697 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5698 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5699 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5701 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5703 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5704 p = (int) board[0][i];
5705 if(p < (int) BlackPawn) piecesLeft[p] ++;
5706 board[0][i] = EmptySquare;
5709 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5710 // shuffles restricted to allow normal castling put KRR first
5711 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5712 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5713 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5714 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5715 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5716 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5717 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5718 put(board, WhiteRook, 0, 0, ANY);
5719 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5722 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5723 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5724 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5725 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5726 while(piecesLeft[p] >= 2) {
5727 AddOnePiece(board, p, 0, LITE);
5728 AddOnePiece(board, p, 0, DARK);
5730 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5733 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5734 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5735 // but we leave King and Rooks for last, to possibly obey FRC restriction
5736 if(p == (int)WhiteRook) continue;
5737 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5738 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5741 // now everything is placed, except perhaps King (Unicorn) and Rooks
5743 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5744 // Last King gets castling rights
5745 while(piecesLeft[(int)WhiteUnicorn]) {
5746 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5747 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5750 while(piecesLeft[(int)WhiteKing]) {
5751 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5752 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5757 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5758 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5761 // Only Rooks can be left; simply place them all
5762 while(piecesLeft[(int)WhiteRook]) {
5763 i = put(board, WhiteRook, 0, 0, ANY);
5764 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5767 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5769 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5772 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5773 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5776 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5780 SetCharTable (char *table, const char * map)
5781 /* [HGM] moved here from winboard.c because of its general usefulness */
5782 /* Basically a safe strcpy that uses the last character as King */
5784 int result = FALSE; int NrPieces;
5786 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5787 && NrPieces >= 12 && !(NrPieces&1)) {
5788 int i; /* [HGM] Accept even length from 12 to 34 */
5790 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5791 for( i=0; i<NrPieces/2-1; i++ ) {
5793 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5795 table[(int) WhiteKing] = map[NrPieces/2-1];
5796 table[(int) BlackKing] = map[NrPieces-1];
5805 Prelude (Board board)
5806 { // [HGM] superchess: random selection of exo-pieces
5807 int i, j, k; ChessSquare p;
5808 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5810 GetPositionNumber(); // use FRC position number
5812 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5813 SetCharTable(pieceToChar, appData.pieceToCharTable);
5814 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5815 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5818 j = seed%4; seed /= 4;
5819 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5820 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5821 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5822 j = seed%3 + (seed%3 >= j); seed /= 3;
5823 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5824 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5825 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5826 j = seed%3; seed /= 3;
5827 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5828 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5829 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5830 j = seed%2 + (seed%2 >= j); seed /= 2;
5831 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5832 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5833 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5834 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5835 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5836 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5837 put(board, exoPieces[0], 0, 0, ANY);
5838 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5842 InitPosition (int redraw)
5844 ChessSquare (* pieces)[BOARD_FILES];
5845 int i, j, pawnRow, overrule,
5846 oldx = gameInfo.boardWidth,
5847 oldy = gameInfo.boardHeight,
5848 oldh = gameInfo.holdingsWidth;
5851 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5853 /* [AS] Initialize pv info list [HGM] and game status */
5855 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5856 pvInfoList[i].depth = 0;
5857 boards[i][EP_STATUS] = EP_NONE;
5858 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5861 initialRulePlies = 0; /* 50-move counter start */
5863 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5864 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5868 /* [HGM] logic here is completely changed. In stead of full positions */
5869 /* the initialized data only consist of the two backranks. The switch */
5870 /* selects which one we will use, which is than copied to the Board */
5871 /* initialPosition, which for the rest is initialized by Pawns and */
5872 /* empty squares. This initial position is then copied to boards[0], */
5873 /* possibly after shuffling, so that it remains available. */
5875 gameInfo.holdingsWidth = 0; /* default board sizes */
5876 gameInfo.boardWidth = 8;
5877 gameInfo.boardHeight = 8;
5878 gameInfo.holdingsSize = 0;
5879 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5880 for(i=0; i<BOARD_FILES-2; i++)
5881 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5882 initialPosition[EP_STATUS] = EP_NONE;
5883 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5884 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5885 SetCharTable(pieceNickName, appData.pieceNickNames);
5886 else SetCharTable(pieceNickName, "............");
5889 switch (gameInfo.variant) {
5890 case VariantFischeRandom:
5891 shuffleOpenings = TRUE;
5894 case VariantShatranj:
5895 pieces = ShatranjArray;
5896 nrCastlingRights = 0;
5897 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5900 pieces = makrukArray;
5901 nrCastlingRights = 0;
5902 startedFromSetupPosition = TRUE;
5903 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5905 case VariantTwoKings:
5906 pieces = twoKingsArray;
5909 pieces = GrandArray;
5910 nrCastlingRights = 0;
5911 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5912 gameInfo.boardWidth = 10;
5913 gameInfo.boardHeight = 10;
5914 gameInfo.holdingsSize = 7;
5916 case VariantCapaRandom:
5917 shuffleOpenings = TRUE;
5918 case VariantCapablanca:
5919 pieces = CapablancaArray;
5920 gameInfo.boardWidth = 10;
5921 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5924 pieces = GothicArray;
5925 gameInfo.boardWidth = 10;
5926 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5929 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5930 gameInfo.holdingsSize = 7;
5931 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5934 pieces = JanusArray;
5935 gameInfo.boardWidth = 10;
5936 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5937 nrCastlingRights = 6;
5938 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5939 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5940 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5941 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5942 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5943 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5946 pieces = FalconArray;
5947 gameInfo.boardWidth = 10;
5948 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5950 case VariantXiangqi:
5951 pieces = XiangqiArray;
5952 gameInfo.boardWidth = 9;
5953 gameInfo.boardHeight = 10;
5954 nrCastlingRights = 0;
5955 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5958 pieces = ShogiArray;
5959 gameInfo.boardWidth = 9;
5960 gameInfo.boardHeight = 9;
5961 gameInfo.holdingsSize = 7;
5962 nrCastlingRights = 0;
5963 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5965 case VariantCourier:
5966 pieces = CourierArray;
5967 gameInfo.boardWidth = 12;
5968 nrCastlingRights = 0;
5969 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5971 case VariantKnightmate:
5972 pieces = KnightmateArray;
5973 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5975 case VariantSpartan:
5976 pieces = SpartanArray;
5977 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5980 pieces = fairyArray;
5981 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5984 pieces = GreatArray;
5985 gameInfo.boardWidth = 10;
5986 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5987 gameInfo.holdingsSize = 8;
5991 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5992 gameInfo.holdingsSize = 8;
5993 startedFromSetupPosition = TRUE;
5995 case VariantCrazyhouse:
5996 case VariantBughouse:
5998 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5999 gameInfo.holdingsSize = 5;
6001 case VariantWildCastle:
6003 /* !!?shuffle with kings guaranteed to be on d or e file */
6004 shuffleOpenings = 1;
6006 case VariantNoCastle:
6008 nrCastlingRights = 0;
6009 /* !!?unconstrained back-rank shuffle */
6010 shuffleOpenings = 1;
6015 if(appData.NrFiles >= 0) {
6016 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6017 gameInfo.boardWidth = appData.NrFiles;
6019 if(appData.NrRanks >= 0) {
6020 gameInfo.boardHeight = appData.NrRanks;
6022 if(appData.holdingsSize >= 0) {
6023 i = appData.holdingsSize;
6024 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6025 gameInfo.holdingsSize = i;
6027 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6028 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6029 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6031 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6032 if(pawnRow < 1) pawnRow = 1;
6033 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6035 /* User pieceToChar list overrules defaults */
6036 if(appData.pieceToCharTable != NULL)
6037 SetCharTable(pieceToChar, appData.pieceToCharTable);
6039 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6041 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6042 s = (ChessSquare) 0; /* account holding counts in guard band */
6043 for( i=0; i<BOARD_HEIGHT; i++ )
6044 initialPosition[i][j] = s;
6046 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6047 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6048 initialPosition[pawnRow][j] = WhitePawn;
6049 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6050 if(gameInfo.variant == VariantXiangqi) {
6052 initialPosition[pawnRow][j] =
6053 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6054 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6055 initialPosition[2][j] = WhiteCannon;
6056 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6060 if(gameInfo.variant == VariantGrand) {
6061 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6062 initialPosition[0][j] = WhiteRook;
6063 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6066 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6068 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6071 initialPosition[1][j] = WhiteBishop;
6072 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6074 initialPosition[1][j] = WhiteRook;
6075 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6078 if( nrCastlingRights == -1) {
6079 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6080 /* This sets default castling rights from none to normal corners */
6081 /* Variants with other castling rights must set them themselves above */
6082 nrCastlingRights = 6;
6084 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6085 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6086 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6087 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6088 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6089 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6092 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6093 if(gameInfo.variant == VariantGreat) { // promotion commoners
6094 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6095 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6096 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6097 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6099 if( gameInfo.variant == VariantSChess ) {
6100 initialPosition[1][0] = BlackMarshall;
6101 initialPosition[2][0] = BlackAngel;
6102 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6103 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6104 initialPosition[1][1] = initialPosition[2][1] =
6105 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6107 if (appData.debugMode) {
6108 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6110 if(shuffleOpenings) {
6111 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6112 startedFromSetupPosition = TRUE;
6114 if(startedFromPositionFile) {
6115 /* [HGM] loadPos: use PositionFile for every new game */
6116 CopyBoard(initialPosition, filePosition);
6117 for(i=0; i<nrCastlingRights; i++)
6118 initialRights[i] = filePosition[CASTLING][i];
6119 startedFromSetupPosition = TRUE;
6122 CopyBoard(boards[0], initialPosition);
6124 if(oldx != gameInfo.boardWidth ||
6125 oldy != gameInfo.boardHeight ||
6126 oldv != gameInfo.variant ||
6127 oldh != gameInfo.holdingsWidth
6129 InitDrawingSizes(-2 ,0);
6131 oldv = gameInfo.variant;
6133 DrawPosition(TRUE, boards[currentMove]);
6137 SendBoard (ChessProgramState *cps, int moveNum)
6139 char message[MSG_SIZ];
6141 if (cps->useSetboard) {
6142 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6143 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6144 SendToProgram(message, cps);
6149 int i, j, left=0, right=BOARD_WIDTH;
6150 /* Kludge to set black to move, avoiding the troublesome and now
6151 * deprecated "black" command.
6153 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6154 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6156 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6158 SendToProgram("edit\n", cps);
6159 SendToProgram("#\n", cps);
6160 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6161 bp = &boards[moveNum][i][left];
6162 for (j = left; j < right; j++, bp++) {
6163 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6164 if ((int) *bp < (int) BlackPawn) {
6165 if(j == BOARD_RGHT+1)
6166 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6167 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6168 if(message[0] == '+' || message[0] == '~') {
6169 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6170 PieceToChar((ChessSquare)(DEMOTED *bp)),
6173 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6174 message[1] = BOARD_RGHT - 1 - j + '1';
6175 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6177 SendToProgram(message, cps);
6182 SendToProgram("c\n", cps);
6183 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6184 bp = &boards[moveNum][i][left];
6185 for (j = left; j < right; j++, bp++) {
6186 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6187 if (((int) *bp != (int) EmptySquare)
6188 && ((int) *bp >= (int) BlackPawn)) {
6189 if(j == BOARD_LEFT-2)
6190 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6191 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6193 if(message[0] == '+' || message[0] == '~') {
6194 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6195 PieceToChar((ChessSquare)(DEMOTED *bp)),
6198 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6199 message[1] = BOARD_RGHT - 1 - j + '1';
6200 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6202 SendToProgram(message, cps);
6207 SendToProgram(".\n", cps);
6209 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6212 char exclusionHeader[MSG_SIZ];
6213 int exCnt, excludePtr;
6214 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6215 static Exclusion excluTab[200];
6216 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6222 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6223 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6229 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6230 excludePtr = 24; exCnt = 0;
6235 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6236 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6237 char buf[2*MOVE_LEN], *p;
6238 Exclusion *e = excluTab;
6240 for(i=0; i<exCnt; i++)
6241 if(e[i].ff == fromX && e[i].fr == fromY &&
6242 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6243 if(i == exCnt) { // was not in exclude list; add it
6244 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6245 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6246 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6249 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6250 excludePtr++; e[i].mark = excludePtr++;
6251 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6254 exclusionHeader[e[i].mark] = state;
6258 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6259 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6263 if((signed char)promoChar == -1) { // kludge to indicate best move
6264 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6265 return 1; // if unparsable, abort
6267 // update exclusion map (resolving toggle by consulting existing state)
6268 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6270 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6271 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6272 excludeMap[k] |= 1<<j;
6273 else excludeMap[k] &= ~(1<<j);
6275 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6277 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6278 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6280 return (state == '+');
6284 ExcludeClick (int index)
6287 Exclusion *e = excluTab;
6288 if(index < 25) { // none, best or tail clicked
6289 if(index < 13) { // none: include all
6290 WriteMap(0); // clear map
6291 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6292 SendToBoth("include all\n"); // and inform engine
6293 } else if(index > 18) { // tail
6294 if(exclusionHeader[19] == '-') { // tail was excluded
6295 SendToBoth("include all\n");
6296 WriteMap(0); // clear map completely
6297 // now re-exclude selected moves
6298 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6299 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6300 } else { // tail was included or in mixed state
6301 SendToBoth("exclude all\n");
6302 WriteMap(0xFF); // fill map completely
6303 // now re-include selected moves
6304 j = 0; // count them
6305 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6306 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6307 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6310 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6313 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6314 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6315 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6322 DefaultPromoChoice (int white)
6325 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6326 result = WhiteFerz; // no choice
6327 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6328 result= WhiteKing; // in Suicide Q is the last thing we want
6329 else if(gameInfo.variant == VariantSpartan)
6330 result = white ? WhiteQueen : WhiteAngel;
6331 else result = WhiteQueen;
6332 if(!white) result = WHITE_TO_BLACK result;
6336 static int autoQueen; // [HGM] oneclick
6339 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6341 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6342 /* [HGM] add Shogi promotions */
6343 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6348 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6349 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6351 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6352 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6355 piece = boards[currentMove][fromY][fromX];
6356 if(gameInfo.variant == VariantShogi) {
6357 promotionZoneSize = BOARD_HEIGHT/3;
6358 highestPromotingPiece = (int)WhiteFerz;
6359 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6360 promotionZoneSize = 3;
6363 // Treat Lance as Pawn when it is not representing Amazon
6364 if(gameInfo.variant != VariantSuper) {
6365 if(piece == WhiteLance) piece = WhitePawn; else
6366 if(piece == BlackLance) piece = BlackPawn;
6369 // next weed out all moves that do not touch the promotion zone at all
6370 if((int)piece >= BlackPawn) {
6371 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6373 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6375 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6376 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6379 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6381 // weed out mandatory Shogi promotions
6382 if(gameInfo.variant == VariantShogi) {
6383 if(piece >= BlackPawn) {
6384 if(toY == 0 && piece == BlackPawn ||
6385 toY == 0 && piece == BlackQueen ||
6386 toY <= 1 && piece == BlackKnight) {
6391 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6392 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6393 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6400 // weed out obviously illegal Pawn moves
6401 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6402 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6403 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6404 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6405 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6406 // note we are not allowed to test for valid (non-)capture, due to premove
6409 // we either have a choice what to promote to, or (in Shogi) whether to promote
6410 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6411 *promoChoice = PieceToChar(BlackFerz); // no choice
6414 // no sense asking what we must promote to if it is going to explode...
6415 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6416 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6419 // give caller the default choice even if we will not make it
6420 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6421 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6422 if( sweepSelect && gameInfo.variant != VariantGreat
6423 && gameInfo.variant != VariantGrand
6424 && gameInfo.variant != VariantSuper) return FALSE;
6425 if(autoQueen) return FALSE; // predetermined
6427 // suppress promotion popup on illegal moves that are not premoves
6428 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6429 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6430 if(appData.testLegality && !premove) {
6431 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6432 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6433 if(moveType != WhitePromotion && moveType != BlackPromotion)
6441 InPalace (int row, int column)
6442 { /* [HGM] for Xiangqi */
6443 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6444 column < (BOARD_WIDTH + 4)/2 &&
6445 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6450 PieceForSquare (int x, int y)
6452 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6455 return boards[currentMove][y][x];
6459 OKToStartUserMove (int x, int y)
6461 ChessSquare from_piece;
6464 if (matchMode) return FALSE;
6465 if (gameMode == EditPosition) return TRUE;
6467 if (x >= 0 && y >= 0)
6468 from_piece = boards[currentMove][y][x];
6470 from_piece = EmptySquare;
6472 if (from_piece == EmptySquare) return FALSE;
6474 white_piece = (int)from_piece >= (int)WhitePawn &&
6475 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6479 case TwoMachinesPlay:
6487 case MachinePlaysWhite:
6488 case IcsPlayingBlack:
6489 if (appData.zippyPlay) return FALSE;
6491 DisplayMoveError(_("You are playing Black"));
6496 case MachinePlaysBlack:
6497 case IcsPlayingWhite:
6498 if (appData.zippyPlay) return FALSE;
6500 DisplayMoveError(_("You are playing White"));
6505 case PlayFromGameFile:
6506 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6508 if (!white_piece && WhiteOnMove(currentMove)) {
6509 DisplayMoveError(_("It is White's turn"));
6512 if (white_piece && !WhiteOnMove(currentMove)) {
6513 DisplayMoveError(_("It is Black's turn"));
6516 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6517 /* Editing correspondence game history */
6518 /* Could disallow this or prompt for confirmation */
6523 case BeginningOfGame:
6524 if (appData.icsActive) return FALSE;
6525 if (!appData.noChessProgram) {
6527 DisplayMoveError(_("You are playing White"));
6534 if (!white_piece && WhiteOnMove(currentMove)) {
6535 DisplayMoveError(_("It is White's turn"));
6538 if (white_piece && !WhiteOnMove(currentMove)) {
6539 DisplayMoveError(_("It is Black's turn"));
6548 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6549 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6550 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6551 && gameMode != AnalyzeFile && gameMode != Training) {
6552 DisplayMoveError(_("Displayed position is not current"));
6559 OnlyMove (int *x, int *y, Boolean captures)
6561 DisambiguateClosure cl;
6562 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6564 case MachinePlaysBlack:
6565 case IcsPlayingWhite:
6566 case BeginningOfGame:
6567 if(!WhiteOnMove(currentMove)) return FALSE;
6569 case MachinePlaysWhite:
6570 case IcsPlayingBlack:
6571 if(WhiteOnMove(currentMove)) return FALSE;
6578 cl.pieceIn = EmptySquare;
6583 cl.promoCharIn = NULLCHAR;
6584 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6585 if( cl.kind == NormalMove ||
6586 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6587 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6588 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6595 if(cl.kind != ImpossibleMove) return FALSE;
6596 cl.pieceIn = EmptySquare;
6601 cl.promoCharIn = NULLCHAR;
6602 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6603 if( cl.kind == NormalMove ||
6604 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6605 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6606 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6611 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6617 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6618 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6619 int lastLoadGameUseList = FALSE;
6620 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6621 ChessMove lastLoadGameStart = EndOfFile;
6625 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6629 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6631 /* Check if the user is playing in turn. This is complicated because we
6632 let the user "pick up" a piece before it is his turn. So the piece he
6633 tried to pick up may have been captured by the time he puts it down!
6634 Therefore we use the color the user is supposed to be playing in this
6635 test, not the color of the piece that is currently on the starting
6636 square---except in EditGame mode, where the user is playing both
6637 sides; fortunately there the capture race can't happen. (It can
6638 now happen in IcsExamining mode, but that's just too bad. The user
6639 will get a somewhat confusing message in that case.)
6644 case TwoMachinesPlay:
6648 /* We switched into a game mode where moves are not accepted,
6649 perhaps while the mouse button was down. */
6652 case MachinePlaysWhite:
6653 /* User is moving for Black */
6654 if (WhiteOnMove(currentMove)) {
6655 DisplayMoveError(_("It is White's turn"));
6660 case MachinePlaysBlack:
6661 /* User is moving for White */
6662 if (!WhiteOnMove(currentMove)) {
6663 DisplayMoveError(_("It is Black's turn"));
6668 case PlayFromGameFile:
6669 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6672 case BeginningOfGame:
6675 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6676 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6677 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6678 /* User is moving for Black */
6679 if (WhiteOnMove(currentMove)) {
6680 DisplayMoveError(_("It is White's turn"));
6684 /* User is moving for White */
6685 if (!WhiteOnMove(currentMove)) {
6686 DisplayMoveError(_("It is Black's turn"));
6692 case IcsPlayingBlack:
6693 /* User is moving for Black */
6694 if (WhiteOnMove(currentMove)) {
6695 if (!appData.premove) {
6696 DisplayMoveError(_("It is White's turn"));
6697 } else if (toX >= 0 && toY >= 0) {
6700 premoveFromX = fromX;
6701 premoveFromY = fromY;
6702 premovePromoChar = promoChar;
6704 if (appData.debugMode)
6705 fprintf(debugFP, "Got premove: fromX %d,"
6706 "fromY %d, toX %d, toY %d\n",
6707 fromX, fromY, toX, toY);
6713 case IcsPlayingWhite:
6714 /* User is moving for White */
6715 if (!WhiteOnMove(currentMove)) {
6716 if (!appData.premove) {
6717 DisplayMoveError(_("It is Black's turn"));
6718 } else if (toX >= 0 && toY >= 0) {
6721 premoveFromX = fromX;
6722 premoveFromY = fromY;
6723 premovePromoChar = promoChar;
6725 if (appData.debugMode)
6726 fprintf(debugFP, "Got premove: fromX %d,"
6727 "fromY %d, toX %d, toY %d\n",
6728 fromX, fromY, toX, toY);
6738 /* EditPosition, empty square, or different color piece;
6739 click-click move is possible */
6740 if (toX == -2 || toY == -2) {
6741 boards[0][fromY][fromX] = EmptySquare;
6742 DrawPosition(FALSE, boards[currentMove]);
6744 } else if (toX >= 0 && toY >= 0) {
6745 boards[0][toY][toX] = boards[0][fromY][fromX];
6746 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6747 if(boards[0][fromY][0] != EmptySquare) {
6748 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6749 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6752 if(fromX == BOARD_RGHT+1) {
6753 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6754 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6755 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6758 boards[0][fromY][fromX] = gatingPiece;
6759 DrawPosition(FALSE, boards[currentMove]);
6765 if(toX < 0 || toY < 0) return;
6766 pup = boards[currentMove][toY][toX];
6768 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6769 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6770 if( pup != EmptySquare ) return;
6771 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6772 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6773 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6774 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6775 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6776 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6777 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6781 /* [HGM] always test for legality, to get promotion info */
6782 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6783 fromY, fromX, toY, toX, promoChar);
6785 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6787 /* [HGM] but possibly ignore an IllegalMove result */
6788 if (appData.testLegality) {
6789 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6790 DisplayMoveError(_("Illegal move"));
6795 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6796 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6797 ClearPremoveHighlights(); // was included
6798 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6802 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6805 /* Common tail of UserMoveEvent and DropMenuEvent */
6807 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6811 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6812 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6813 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6814 if(WhiteOnMove(currentMove)) {
6815 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6817 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6821 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6822 move type in caller when we know the move is a legal promotion */
6823 if(moveType == NormalMove && promoChar)
6824 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6826 /* [HGM] <popupFix> The following if has been moved here from
6827 UserMoveEvent(). Because it seemed to belong here (why not allow
6828 piece drops in training games?), and because it can only be
6829 performed after it is known to what we promote. */
6830 if (gameMode == Training) {
6831 /* compare the move played on the board to the next move in the
6832 * game. If they match, display the move and the opponent's response.
6833 * If they don't match, display an error message.
6837 CopyBoard(testBoard, boards[currentMove]);
6838 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6840 if (CompareBoards(testBoard, boards[currentMove+1])) {
6841 ForwardInner(currentMove+1);
6843 /* Autoplay the opponent's response.
6844 * if appData.animate was TRUE when Training mode was entered,
6845 * the response will be animated.
6847 saveAnimate = appData.animate;
6848 appData.animate = animateTraining;
6849 ForwardInner(currentMove+1);
6850 appData.animate = saveAnimate;
6852 /* check for the end of the game */
6853 if (currentMove >= forwardMostMove) {
6854 gameMode = PlayFromGameFile;
6856 SetTrainingModeOff();
6857 DisplayInformation(_("End of game"));
6860 DisplayError(_("Incorrect move"), 0);
6865 /* Ok, now we know that the move is good, so we can kill
6866 the previous line in Analysis Mode */
6867 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6868 && currentMove < forwardMostMove) {
6869 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6870 else forwardMostMove = currentMove;
6875 /* If we need the chess program but it's dead, restart it */
6876 ResurrectChessProgram();
6878 /* A user move restarts a paused game*/
6882 thinkOutput[0] = NULLCHAR;
6884 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6886 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6887 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6891 if (gameMode == BeginningOfGame) {
6892 if (appData.noChessProgram) {
6893 gameMode = EditGame;
6897 gameMode = MachinePlaysBlack;
6900 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6902 if (first.sendName) {
6903 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6904 SendToProgram(buf, &first);
6911 /* Relay move to ICS or chess engine */
6912 if (appData.icsActive) {
6913 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6914 gameMode == IcsExamining) {
6915 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6916 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6918 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6920 // also send plain move, in case ICS does not understand atomic claims
6921 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6925 if (first.sendTime && (gameMode == BeginningOfGame ||
6926 gameMode == MachinePlaysWhite ||
6927 gameMode == MachinePlaysBlack)) {
6928 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6930 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6931 // [HGM] book: if program might be playing, let it use book
6932 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6933 first.maybeThinking = TRUE;
6934 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6935 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6936 SendBoard(&first, currentMove+1);
6937 if(second.analyzing) {
6938 if(!second.useSetboard) SendToProgram("undo\n", &second);
6939 SendBoard(&second, currentMove+1);
6942 SendMoveToProgram(forwardMostMove-1, &first);
6943 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6945 if (currentMove == cmailOldMove + 1) {
6946 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6950 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6954 if(appData.testLegality)
6955 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6961 if (WhiteOnMove(currentMove)) {
6962 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6964 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6968 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6973 case MachinePlaysBlack:
6974 case MachinePlaysWhite:
6975 /* disable certain menu options while machine is thinking */
6976 SetMachineThinkingEnables();
6983 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6984 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6986 if(bookHit) { // [HGM] book: simulate book reply
6987 static char bookMove[MSG_SIZ]; // a bit generous?
6989 programStats.nodes = programStats.depth = programStats.time =
6990 programStats.score = programStats.got_only_move = 0;
6991 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6993 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6994 strcat(bookMove, bookHit);
6995 HandleMachineMove(bookMove, &first);
7001 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7003 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7004 Markers *m = (Markers *) closure;
7005 if(rf == fromY && ff == fromX)
7006 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7007 || kind == WhiteCapturesEnPassant
7008 || kind == BlackCapturesEnPassant);
7009 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7013 MarkTargetSquares (int clear)
7016 if(clear) // no reason to ever suppress clearing
7017 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
7018 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7019 !appData.testLegality || gameMode == EditPosition) return;
7022 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7023 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7024 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7026 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7029 DrawPosition(FALSE, NULL);
7033 Explode (Board board, int fromX, int fromY, int toX, int toY)
7035 if(gameInfo.variant == VariantAtomic &&
7036 (board[toY][toX] != EmptySquare || // capture?
7037 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7038 board[fromY][fromX] == BlackPawn )
7040 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7046 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7049 CanPromote (ChessSquare piece, int y)
7051 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7052 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7053 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7054 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7055 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7056 gameInfo.variant == VariantMakruk) return FALSE;
7057 return (piece == BlackPawn && y == 1 ||
7058 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7059 piece == BlackLance && y == 1 ||
7060 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7064 LeftClick (ClickType clickType, int xPix, int yPix)
7067 Boolean saveAnimate;
7068 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7069 char promoChoice = NULLCHAR;
7071 static TimeMark lastClickTime, prevClickTime;
7073 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7075 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7077 if (clickType == Press) ErrorPopDown();
7079 x = EventToSquare(xPix, BOARD_WIDTH);
7080 y = EventToSquare(yPix, BOARD_HEIGHT);
7081 if (!flipView && y >= 0) {
7082 y = BOARD_HEIGHT - 1 - y;
7084 if (flipView && x >= 0) {
7085 x = BOARD_WIDTH - 1 - x;
7088 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7089 defaultPromoChoice = promoSweep;
7090 promoSweep = EmptySquare; // terminate sweep
7091 promoDefaultAltered = TRUE;
7092 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7095 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7096 if(clickType == Release) return; // ignore upclick of click-click destination
7097 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7098 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7099 if(gameInfo.holdingsWidth &&
7100 (WhiteOnMove(currentMove)
7101 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7102 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7103 // click in right holdings, for determining promotion piece
7104 ChessSquare p = boards[currentMove][y][x];
7105 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7106 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7107 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7108 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7113 DrawPosition(FALSE, boards[currentMove]);
7117 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7118 if(clickType == Press
7119 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7120 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7121 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7124 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7125 // could be static click on premove from-square: abort premove
7127 ClearPremoveHighlights();
7130 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7131 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7133 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7134 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7135 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7136 defaultPromoChoice = DefaultPromoChoice(side);
7139 autoQueen = appData.alwaysPromoteToQueen;
7143 gatingPiece = EmptySquare;
7144 if (clickType != Press) {
7145 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7146 DragPieceEnd(xPix, yPix); dragging = 0;
7147 DrawPosition(FALSE, NULL);
7151 doubleClick = FALSE;
7152 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7153 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7155 fromX = x; fromY = y; toX = toY = -1;
7156 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7157 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7158 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7160 if (OKToStartUserMove(fromX, fromY)) {
7162 MarkTargetSquares(0);
7163 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7164 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7165 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7166 promoSweep = defaultPromoChoice;
7167 selectFlag = 0; lastX = xPix; lastY = yPix;
7168 Sweep(0); // Pawn that is going to promote: preview promotion piece
7169 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7171 if (appData.highlightDragging) {
7172 SetHighlights(fromX, fromY, -1, -1);
7176 } else fromX = fromY = -1;
7182 if (clickType == Press && gameMode != EditPosition) {
7187 // ignore off-board to clicks
7188 if(y < 0 || x < 0) return;
7190 /* Check if clicking again on the same color piece */
7191 fromP = boards[currentMove][fromY][fromX];
7192 toP = boards[currentMove][y][x];
7193 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7194 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7195 WhitePawn <= toP && toP <= WhiteKing &&
7196 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7197 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7198 (BlackPawn <= fromP && fromP <= BlackKing &&
7199 BlackPawn <= toP && toP <= BlackKing &&
7200 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7201 !(fromP == BlackKing && toP == BlackRook && frc))) {
7202 /* Clicked again on same color piece -- changed his mind */
7203 second = (x == fromX && y == fromY);
7204 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7205 second = FALSE; // first double-click rather than scond click
7206 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7208 promoDefaultAltered = FALSE;
7209 MarkTargetSquares(1);
7210 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7211 if (appData.highlightDragging) {
7212 SetHighlights(x, y, -1, -1);
7216 if (OKToStartUserMove(x, y)) {
7217 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7218 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7219 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7220 gatingPiece = boards[currentMove][fromY][fromX];
7221 else gatingPiece = doubleClick ? fromP : EmptySquare;
7223 fromY = y; dragging = 1;
7224 MarkTargetSquares(0);
7225 DragPieceBegin(xPix, yPix, FALSE);
7226 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7227 promoSweep = defaultPromoChoice;
7228 selectFlag = 0; lastX = xPix; lastY = yPix;
7229 Sweep(0); // Pawn that is going to promote: preview promotion piece
7233 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7236 // ignore clicks on holdings
7237 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7240 if (clickType == Release && x == fromX && y == fromY) {
7241 DragPieceEnd(xPix, yPix); dragging = 0;
7243 // a deferred attempt to click-click move an empty square on top of a piece
7244 boards[currentMove][y][x] = EmptySquare;
7246 DrawPosition(FALSE, boards[currentMove]);
7247 fromX = fromY = -1; clearFlag = 0;
7250 if (appData.animateDragging) {
7251 /* Undo animation damage if any */
7252 DrawPosition(FALSE, NULL);
7254 if (second || sweepSelecting) {
7255 /* Second up/down in same square; just abort move */
7256 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7257 second = sweepSelecting = 0;
7259 gatingPiece = EmptySquare;
7260 MarkTargetSquares(1);
7263 ClearPremoveHighlights();
7265 /* First upclick in same square; start click-click mode */
7266 SetHighlights(x, y, -1, -1);
7273 /* we now have a different from- and (possibly off-board) to-square */
7274 /* Completed move */
7275 if(!sweepSelecting) {
7278 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7280 saveAnimate = appData.animate;
7281 if (clickType == Press) {
7282 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7283 // must be Edit Position mode with empty-square selected
7284 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7285 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7288 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7289 if(appData.sweepSelect) {
7290 ChessSquare piece = boards[currentMove][fromY][fromX];
7291 promoSweep = defaultPromoChoice;
7292 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7293 selectFlag = 0; lastX = xPix; lastY = yPix;
7294 Sweep(0); // Pawn that is going to promote: preview promotion piece
7296 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7297 MarkTargetSquares(1);
7299 return; // promo popup appears on up-click
7301 /* Finish clickclick move */
7302 if (appData.animate || appData.highlightLastMove) {
7303 SetHighlights(fromX, fromY, toX, toY);
7309 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7310 /* Finish drag move */
7311 if (appData.highlightLastMove) {
7312 SetHighlights(fromX, fromY, toX, toY);
7317 DragPieceEnd(xPix, yPix); dragging = 0;
7318 /* Don't animate move and drag both */
7319 appData.animate = FALSE;
7322 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7323 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7324 ChessSquare piece = boards[currentMove][fromY][fromX];
7325 if(gameMode == EditPosition && piece != EmptySquare &&
7326 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7329 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7330 n = PieceToNumber(piece - (int)BlackPawn);
7331 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7332 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7333 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7335 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7336 n = PieceToNumber(piece);
7337 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7338 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7339 boards[currentMove][n][BOARD_WIDTH-2]++;
7341 boards[currentMove][fromY][fromX] = EmptySquare;
7345 MarkTargetSquares(1);
7346 DrawPosition(TRUE, boards[currentMove]);
7350 // off-board moves should not be highlighted
7351 if(x < 0 || y < 0) ClearHighlights();
7353 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7355 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7356 SetHighlights(fromX, fromY, toX, toY);
7357 MarkTargetSquares(1);
7358 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7359 // [HGM] super: promotion to captured piece selected from holdings
7360 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7361 promotionChoice = TRUE;
7362 // kludge follows to temporarily execute move on display, without promoting yet
7363 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7364 boards[currentMove][toY][toX] = p;
7365 DrawPosition(FALSE, boards[currentMove]);
7366 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7367 boards[currentMove][toY][toX] = q;
7368 DisplayMessage("Click in holdings to choose piece", "");
7373 int oldMove = currentMove;
7374 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7375 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7376 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7377 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7378 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7379 DrawPosition(TRUE, boards[currentMove]);
7380 MarkTargetSquares(1);
7383 appData.animate = saveAnimate;
7384 if (appData.animate || appData.animateDragging) {
7385 /* Undo animation damage if needed */
7386 DrawPosition(FALSE, NULL);
7391 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7392 { // front-end-free part taken out of PieceMenuPopup
7393 int whichMenu; int xSqr, ySqr;
7395 if(seekGraphUp) { // [HGM] seekgraph
7396 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7397 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7401 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7402 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7403 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7404 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7405 if(action == Press) {
7406 originalFlip = flipView;
7407 flipView = !flipView; // temporarily flip board to see game from partners perspective
7408 DrawPosition(TRUE, partnerBoard);
7409 DisplayMessage(partnerStatus, "");
7411 } else if(action == Release) {
7412 flipView = originalFlip;
7413 DrawPosition(TRUE, boards[currentMove]);
7419 xSqr = EventToSquare(x, BOARD_WIDTH);
7420 ySqr = EventToSquare(y, BOARD_HEIGHT);
7421 if (action == Release) {
7422 if(pieceSweep != EmptySquare) {
7423 EditPositionMenuEvent(pieceSweep, toX, toY);
7424 pieceSweep = EmptySquare;
7425 } else UnLoadPV(); // [HGM] pv
7427 if (action != Press) return -2; // return code to be ignored
7430 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7432 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7433 if (xSqr < 0 || ySqr < 0) return -1;
7434 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7435 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7436 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7437 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7441 if(!appData.icsEngineAnalyze) return -1;
7442 case IcsPlayingWhite:
7443 case IcsPlayingBlack:
7444 if(!appData.zippyPlay) goto noZip;
7447 case MachinePlaysWhite:
7448 case MachinePlaysBlack:
7449 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7450 if (!appData.dropMenu) {
7452 return 2; // flag front-end to grab mouse events
7454 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7455 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7458 if (xSqr < 0 || ySqr < 0) return -1;
7459 if (!appData.dropMenu || appData.testLegality &&
7460 gameInfo.variant != VariantBughouse &&
7461 gameInfo.variant != VariantCrazyhouse) return -1;
7462 whichMenu = 1; // drop menu
7468 if (((*fromX = xSqr) < 0) ||
7469 ((*fromY = ySqr) < 0)) {
7470 *fromX = *fromY = -1;
7474 *fromX = BOARD_WIDTH - 1 - *fromX;
7476 *fromY = BOARD_HEIGHT - 1 - *fromY;
7482 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7484 // char * hint = lastHint;
7485 FrontEndProgramStats stats;
7487 stats.which = cps == &first ? 0 : 1;
7488 stats.depth = cpstats->depth;
7489 stats.nodes = cpstats->nodes;
7490 stats.score = cpstats->score;
7491 stats.time = cpstats->time;
7492 stats.pv = cpstats->movelist;
7493 stats.hint = lastHint;
7494 stats.an_move_index = 0;
7495 stats.an_move_count = 0;
7497 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7498 stats.hint = cpstats->move_name;
7499 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7500 stats.an_move_count = cpstats->nr_moves;
7503 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
7505 SetProgramStats( &stats );
7509 ClearEngineOutputPane (int which)
7511 static FrontEndProgramStats dummyStats;
7512 dummyStats.which = which;
7513 dummyStats.pv = "#";
7514 SetProgramStats( &dummyStats );
7517 #define MAXPLAYERS 500
7520 TourneyStandings (int display)
7522 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7523 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7524 char result, *p, *names[MAXPLAYERS];
7526 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7527 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7528 names[0] = p = strdup(appData.participants);
7529 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7531 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7533 while(result = appData.results[nr]) {
7534 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7535 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7536 wScore = bScore = 0;
7538 case '+': wScore = 2; break;
7539 case '-': bScore = 2; break;
7540 case '=': wScore = bScore = 1; break;
7542 case '*': return strdup("busy"); // tourney not finished
7550 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7551 for(w=0; w<nPlayers; w++) {
7553 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7554 ranking[w] = b; points[w] = bScore; score[b] = -2;
7556 p = malloc(nPlayers*34+1);
7557 for(w=0; w<nPlayers && w<display; w++)
7558 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7564 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7565 { // count all piece types
7567 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7568 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7569 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7572 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7573 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7574 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7575 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7576 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7577 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7582 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7584 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7585 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7587 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7588 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7589 if(myPawns == 2 && nMine == 3) // KPP
7590 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7591 if(myPawns == 1 && nMine == 2) // KP
7592 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7593 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7594 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7595 if(myPawns) return FALSE;
7596 if(pCnt[WhiteRook+side])
7597 return pCnt[BlackRook-side] ||
7598 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7599 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7600 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7601 if(pCnt[WhiteCannon+side]) {
7602 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7603 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7605 if(pCnt[WhiteKnight+side])
7606 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7611 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7613 VariantClass v = gameInfo.variant;
7615 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7616 if(v == VariantShatranj) return TRUE; // always winnable through baring
7617 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7618 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7620 if(v == VariantXiangqi) {
7621 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7623 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7624 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7625 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7626 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7627 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7628 if(stale) // we have at least one last-rank P plus perhaps C
7629 return majors // KPKX
7630 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7632 return pCnt[WhiteFerz+side] // KCAK
7633 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7634 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7635 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7637 } else if(v == VariantKnightmate) {
7638 if(nMine == 1) return FALSE;
7639 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7640 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7641 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7643 if(nMine == 1) return FALSE; // bare King
7644 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
7645 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7646 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7647 // by now we have King + 1 piece (or multiple Bishops on the same color)
7648 if(pCnt[WhiteKnight+side])
7649 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7650 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7651 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7653 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7654 if(pCnt[WhiteAlfil+side])
7655 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7656 if(pCnt[WhiteWazir+side])
7657 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7664 CompareWithRights (Board b1, Board b2)
7667 if(!CompareBoards(b1, b2)) return FALSE;
7668 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7669 /* compare castling rights */
7670 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7671 rights++; /* King lost rights, while rook still had them */
7672 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7673 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7674 rights++; /* but at least one rook lost them */
7676 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7678 if( b1[CASTLING][5] != NoRights ) {
7679 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7686 Adjudicate (ChessProgramState *cps)
7687 { // [HGM] some adjudications useful with buggy engines
7688 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7689 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7690 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7691 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7692 int k, drop, count = 0; static int bare = 1;
7693 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7694 Boolean canAdjudicate = !appData.icsActive;
7696 // most tests only when we understand the game, i.e. legality-checking on
7697 if( appData.testLegality )
7698 { /* [HGM] Some more adjudications for obstinate engines */
7699 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7700 static int moveCount = 6;
7702 char *reason = NULL;
7704 /* Count what is on board. */
7705 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7707 /* Some material-based adjudications that have to be made before stalemate test */
7708 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7709 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7710 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7711 if(canAdjudicate && appData.checkMates) {
7713 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7714 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7715 "Xboard adjudication: King destroyed", GE_XBOARD );
7720 /* Bare King in Shatranj (loses) or Losers (wins) */
7721 if( nrW == 1 || nrB == 1) {
7722 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7723 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7724 if(canAdjudicate && appData.checkMates) {
7726 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7727 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7728 "Xboard adjudication: Bare king", GE_XBOARD );
7732 if( gameInfo.variant == VariantShatranj && --bare < 0)
7734 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7735 if(canAdjudicate && appData.checkMates) {
7736 /* but only adjudicate if adjudication enabled */
7738 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7739 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7740 "Xboard adjudication: Bare king", GE_XBOARD );
7747 // don't wait for engine to announce game end if we can judge ourselves
7748 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7750 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7751 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7752 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7753 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7756 reason = "Xboard adjudication: 3rd check";
7757 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7768 reason = "Xboard adjudication: Stalemate";
7769 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7770 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7771 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7772 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7773 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7774 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7775 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7776 EP_CHECKMATE : EP_WINS);
7777 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7778 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7782 reason = "Xboard adjudication: Checkmate";
7783 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7784 if(gameInfo.variant == VariantShogi) {
7785 if(forwardMostMove > backwardMostMove
7786 && moveList[forwardMostMove-1][1] == '@'
7787 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7788 reason = "XBoard adjudication: pawn-drop mate";
7789 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7795 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7797 result = GameIsDrawn; break;
7799 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7801 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7805 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7807 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7808 GameEnds( result, reason, GE_XBOARD );
7812 /* Next absolutely insufficient mating material. */
7813 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7814 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7815 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7817 /* always flag draws, for judging claims */
7818 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7820 if(canAdjudicate && appData.materialDraws) {
7821 /* but only adjudicate them if adjudication enabled */
7822 if(engineOpponent) {
7823 SendToProgram("force\n", engineOpponent); // suppress reply
7824 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7826 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7831 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7832 if(gameInfo.variant == VariantXiangqi ?
7833 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7835 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7836 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7837 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7838 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7840 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7841 { /* if the first 3 moves do not show a tactical win, declare draw */
7842 if(engineOpponent) {
7843 SendToProgram("force\n", engineOpponent); // suppress reply
7844 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7846 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7849 } else moveCount = 6;
7852 // Repetition draws and 50-move rule can be applied independently of legality testing
7854 /* Check for rep-draws */
7856 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7857 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7858 for(k = forwardMostMove-2;
7859 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7860 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7861 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7864 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7865 /* compare castling rights */
7866 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7867 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7868 rights++; /* King lost rights, while rook still had them */
7869 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7870 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7871 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7872 rights++; /* but at least one rook lost them */
7874 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7875 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7877 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7878 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7879 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7882 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7883 && appData.drawRepeats > 1) {
7884 /* adjudicate after user-specified nr of repeats */
7885 int result = GameIsDrawn;
7886 char *details = "XBoard adjudication: repetition draw";
7887 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7888 // [HGM] xiangqi: check for forbidden perpetuals
7889 int m, ourPerpetual = 1, hisPerpetual = 1;
7890 for(m=forwardMostMove; m>k; m-=2) {
7891 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7892 ourPerpetual = 0; // the current mover did not always check
7893 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7894 hisPerpetual = 0; // the opponent did not always check
7896 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7897 ourPerpetual, hisPerpetual);
7898 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7899 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7900 details = "Xboard adjudication: perpetual checking";
7902 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7903 break; // (or we would have caught him before). Abort repetition-checking loop.
7905 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7906 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
7908 details = "Xboard adjudication: repetition";
7910 } else // it must be XQ
7911 // Now check for perpetual chases
7912 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7913 hisPerpetual = PerpetualChase(k, forwardMostMove);
7914 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7915 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7916 static char resdet[MSG_SIZ];
7917 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7919 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7921 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7922 break; // Abort repetition-checking loop.
7924 // if neither of us is checking or chasing all the time, or both are, it is draw
7926 if(engineOpponent) {
7927 SendToProgram("force\n", engineOpponent); // suppress reply
7928 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7930 GameEnds( result, details, GE_XBOARD );
7933 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7934 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7938 /* Now we test for 50-move draws. Determine ply count */
7939 count = forwardMostMove;
7940 /* look for last irreversble move */
7941 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7943 /* if we hit starting position, add initial plies */
7944 if( count == backwardMostMove )
7945 count -= initialRulePlies;
7946 count = forwardMostMove - count;
7947 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7948 // adjust reversible move counter for checks in Xiangqi
7949 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7950 if(i < backwardMostMove) i = backwardMostMove;
7951 while(i <= forwardMostMove) {
7952 lastCheck = inCheck; // check evasion does not count
7953 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7954 if(inCheck || lastCheck) count--; // check does not count
7959 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7960 /* this is used to judge if draw claims are legal */
7961 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7962 if(engineOpponent) {
7963 SendToProgram("force\n", engineOpponent); // suppress reply
7964 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7966 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7970 /* if draw offer is pending, treat it as a draw claim
7971 * when draw condition present, to allow engines a way to
7972 * claim draws before making their move to avoid a race
7973 * condition occurring after their move
7975 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7977 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7978 p = "Draw claim: 50-move rule";
7979 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7980 p = "Draw claim: 3-fold repetition";
7981 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7982 p = "Draw claim: insufficient mating material";
7983 if( p != NULL && canAdjudicate) {
7984 if(engineOpponent) {
7985 SendToProgram("force\n", engineOpponent); // suppress reply
7986 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7988 GameEnds( GameIsDrawn, p, GE_XBOARD );
7993 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7994 if(engineOpponent) {
7995 SendToProgram("force\n", engineOpponent); // suppress reply
7996 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7998 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8005 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8006 { // [HGM] book: this routine intercepts moves to simulate book replies
8007 char *bookHit = NULL;
8009 //first determine if the incoming move brings opponent into his book
8010 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8011 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8012 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8013 if(bookHit != NULL && !cps->bookSuspend) {
8014 // make sure opponent is not going to reply after receiving move to book position
8015 SendToProgram("force\n", cps);
8016 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8018 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8019 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8020 // now arrange restart after book miss
8022 // after a book hit we never send 'go', and the code after the call to this routine
8023 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8024 char buf[MSG_SIZ], *move = bookHit;
8026 int fromX, fromY, toX, toY;
8030 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8031 &fromX, &fromY, &toX, &toY, &promoChar)) {
8032 (void) CoordsToAlgebraic(boards[forwardMostMove],
8033 PosFlags(forwardMostMove),
8034 fromY, fromX, toY, toX, promoChar, move);
8036 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8040 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8041 SendToProgram(buf, cps);
8042 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8043 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8044 SendToProgram("go\n", cps);
8045 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8046 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8047 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8048 SendToProgram("go\n", cps);
8049 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8051 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8055 LoadError (char *errmess, ChessProgramState *cps)
8056 { // unloads engine and switches back to -ncp mode if it was first
8057 if(cps->initDone) return FALSE;
8058 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8059 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8062 appData.noChessProgram = TRUE;
8063 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8064 gameMode = BeginningOfGame; ModeHighlight();
8067 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8068 DisplayMessage("", ""); // erase waiting message
8069 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8074 ChessProgramState *savedState;
8076 DeferredBookMove (void)
8078 if(savedState->lastPing != savedState->lastPong)
8079 ScheduleDelayedEvent(DeferredBookMove, 10);
8081 HandleMachineMove(savedMessage, savedState);
8084 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8085 static ChessProgramState *stalledEngine;
8086 static char stashedInputMove[MSG_SIZ];
8089 HandleMachineMove (char *message, ChessProgramState *cps)
8091 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8092 char realname[MSG_SIZ];
8093 int fromX, fromY, toX, toY;
8097 int machineWhite, oldError;
8100 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8101 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8102 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8103 DisplayError(_("Invalid pairing from pairing engine"), 0);
8106 pairingReceived = 1;
8108 return; // Skim the pairing messages here.
8111 oldError = cps->userError; cps->userError = 0;
8113 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8115 * Kludge to ignore BEL characters
8117 while (*message == '\007') message++;
8120 * [HGM] engine debug message: ignore lines starting with '#' character
8122 if(cps->debug && *message == '#') return;
8125 * Look for book output
8127 if (cps == &first && bookRequested) {
8128 if (message[0] == '\t' || message[0] == ' ') {
8129 /* Part of the book output is here; append it */
8130 strcat(bookOutput, message);
8131 strcat(bookOutput, " \n");
8133 } else if (bookOutput[0] != NULLCHAR) {
8134 /* All of book output has arrived; display it */
8135 char *p = bookOutput;
8136 while (*p != NULLCHAR) {
8137 if (*p == '\t') *p = ' ';
8140 DisplayInformation(bookOutput);
8141 bookRequested = FALSE;
8142 /* Fall through to parse the current output */
8147 * Look for machine move.
8149 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8150 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8152 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8153 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8154 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8155 stalledEngine = cps;
8156 if(appData.ponderNextMove) { // bring opponent out of ponder
8157 if(gameMode == TwoMachinesPlay) {
8158 if(cps->other->pause)
8159 PauseEngine(cps->other);
8161 SendToProgram("easy\n", cps->other);
8168 /* This method is only useful on engines that support ping */
8169 if (cps->lastPing != cps->lastPong) {
8170 if (gameMode == BeginningOfGame) {
8171 /* Extra move from before last new; ignore */
8172 if (appData.debugMode) {
8173 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8176 if (appData.debugMode) {
8177 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8178 cps->which, gameMode);
8181 SendToProgram("undo\n", cps);
8187 case BeginningOfGame:
8188 /* Extra move from before last reset; ignore */
8189 if (appData.debugMode) {
8190 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8197 /* Extra move after we tried to stop. The mode test is
8198 not a reliable way of detecting this problem, but it's
8199 the best we can do on engines that don't support ping.
8201 if (appData.debugMode) {
8202 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8203 cps->which, gameMode);
8205 SendToProgram("undo\n", cps);
8208 case MachinePlaysWhite:
8209 case IcsPlayingWhite:
8210 machineWhite = TRUE;
8213 case MachinePlaysBlack:
8214 case IcsPlayingBlack:
8215 machineWhite = FALSE;
8218 case TwoMachinesPlay:
8219 machineWhite = (cps->twoMachinesColor[0] == 'w');
8222 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8223 if (appData.debugMode) {
8225 "Ignoring move out of turn by %s, gameMode %d"
8226 ", forwardMost %d\n",
8227 cps->which, gameMode, forwardMostMove);
8232 if(cps->alphaRank) AlphaRank(machineMove, 4);
8233 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8234 &fromX, &fromY, &toX, &toY, &promoChar)) {
8235 /* Machine move could not be parsed; ignore it. */
8236 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8237 machineMove, _(cps->which));
8238 DisplayMoveError(buf1);
8239 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8240 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8241 if (gameMode == TwoMachinesPlay) {
8242 GameEnds(machineWhite ? BlackWins : WhiteWins,
8248 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8249 /* So we have to redo legality test with true e.p. status here, */
8250 /* to make sure an illegal e.p. capture does not slip through, */
8251 /* to cause a forfeit on a justified illegal-move complaint */
8252 /* of the opponent. */
8253 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8255 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8256 fromY, fromX, toY, toX, promoChar);
8257 if(moveType == IllegalMove) {
8258 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8259 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8260 GameEnds(machineWhite ? BlackWins : WhiteWins,
8263 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8264 /* [HGM] Kludge to handle engines that send FRC-style castling
8265 when they shouldn't (like TSCP-Gothic) */
8267 case WhiteASideCastleFR:
8268 case BlackASideCastleFR:
8270 currentMoveString[2]++;
8272 case WhiteHSideCastleFR:
8273 case BlackHSideCastleFR:
8275 currentMoveString[2]--;
8277 default: ; // nothing to do, but suppresses warning of pedantic compilers
8280 hintRequested = FALSE;
8281 lastHint[0] = NULLCHAR;
8282 bookRequested = FALSE;
8283 /* Program may be pondering now */
8284 cps->maybeThinking = TRUE;
8285 if (cps->sendTime == 2) cps->sendTime = 1;
8286 if (cps->offeredDraw) cps->offeredDraw--;
8288 /* [AS] Save move info*/
8289 pvInfoList[ forwardMostMove ].score = programStats.score;
8290 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8291 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8293 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8295 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8296 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8299 while( count < adjudicateLossPlies ) {
8300 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8303 score = -score; /* Flip score for winning side */
8306 if( score > adjudicateLossThreshold ) {
8313 if( count >= adjudicateLossPlies ) {
8314 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8316 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8317 "Xboard adjudication",
8324 if(Adjudicate(cps)) {
8325 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8326 return; // [HGM] adjudicate: for all automatic game ends
8330 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8332 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8333 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8335 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8337 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8339 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8340 char buf[3*MSG_SIZ];
8342 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8343 programStats.score / 100.,
8345 programStats.time / 100.,
8346 (unsigned int)programStats.nodes,
8347 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8348 programStats.movelist);
8350 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8355 /* [AS] Clear stats for next move */
8356 ClearProgramStats();
8357 thinkOutput[0] = NULLCHAR;
8358 hiddenThinkOutputState = 0;
8361 if (gameMode == TwoMachinesPlay) {
8362 /* [HGM] relaying draw offers moved to after reception of move */
8363 /* and interpreting offer as claim if it brings draw condition */
8364 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8365 SendToProgram("draw\n", cps->other);
8367 if (cps->other->sendTime) {
8368 SendTimeRemaining(cps->other,
8369 cps->other->twoMachinesColor[0] == 'w');
8371 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8372 if (firstMove && !bookHit) {
8374 if (cps->other->useColors) {
8375 SendToProgram(cps->other->twoMachinesColor, cps->other);
8377 SendToProgram("go\n", cps->other);
8379 cps->other->maybeThinking = TRUE;
8382 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8384 if (!pausing && appData.ringBellAfterMoves) {
8389 * Reenable menu items that were disabled while
8390 * machine was thinking
8392 if (gameMode != TwoMachinesPlay)
8393 SetUserThinkingEnables();
8395 // [HGM] book: after book hit opponent has received move and is now in force mode
8396 // force the book reply into it, and then fake that it outputted this move by jumping
8397 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8399 static char bookMove[MSG_SIZ]; // a bit generous?
8401 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8402 strcat(bookMove, bookHit);
8405 programStats.nodes = programStats.depth = programStats.time =
8406 programStats.score = programStats.got_only_move = 0;
8407 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8409 if(cps->lastPing != cps->lastPong) {
8410 savedMessage = message; // args for deferred call
8412 ScheduleDelayedEvent(DeferredBookMove, 10);
8421 /* Set special modes for chess engines. Later something general
8422 * could be added here; for now there is just one kludge feature,
8423 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8424 * when "xboard" is given as an interactive command.
8426 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8427 cps->useSigint = FALSE;
8428 cps->useSigterm = FALSE;
8430 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8431 ParseFeatures(message+8, cps);
8432 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8435 if (!strncmp(message, "setup ", 6) &&
8436 (!appData.testLegality || gameInfo.variant == VariantFairy || NonStandardBoardSize())
8437 ) { // [HGM] allow first engine to define opening position
8438 int dummy, s=6; char buf[MSG_SIZ];
8439 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8440 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8441 if(startedFromSetupPosition) return;
8442 if(sscanf(message+s, "%dx%d+%d", &dummy, &dummy, &dummy) == 3) while(message[s] && message[s++] != ' '); // for compatibility with Alien Edition
8443 ParseFEN(boards[0], &dummy, message+s);
8444 DrawPosition(TRUE, boards[0]);
8445 startedFromSetupPosition = TRUE;
8448 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8449 * want this, I was asked to put it in, and obliged.
8451 if (!strncmp(message, "setboard ", 9)) {
8452 Board initial_position;
8454 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8456 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8457 DisplayError(_("Bad FEN received from engine"), 0);
8461 CopyBoard(boards[0], initial_position);
8462 initialRulePlies = FENrulePlies;
8463 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8464 else gameMode = MachinePlaysBlack;
8465 DrawPosition(FALSE, boards[currentMove]);
8471 * Look for communication commands
8473 if (!strncmp(message, "telluser ", 9)) {
8474 if(message[9] == '\\' && message[10] == '\\')
8475 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8477 DisplayNote(message + 9);
8480 if (!strncmp(message, "tellusererror ", 14)) {
8482 if(message[14] == '\\' && message[15] == '\\')
8483 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8485 DisplayError(message + 14, 0);
8488 if (!strncmp(message, "tellopponent ", 13)) {
8489 if (appData.icsActive) {
8491 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8495 DisplayNote(message + 13);
8499 if (!strncmp(message, "tellothers ", 11)) {
8500 if (appData.icsActive) {
8502 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8505 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8508 if (!strncmp(message, "tellall ", 8)) {
8509 if (appData.icsActive) {
8511 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8515 DisplayNote(message + 8);
8519 if (strncmp(message, "warning", 7) == 0) {
8520 /* Undocumented feature, use tellusererror in new code */
8521 DisplayError(message, 0);
8524 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8525 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8526 strcat(realname, " query");
8527 AskQuestion(realname, buf2, buf1, cps->pr);
8530 /* Commands from the engine directly to ICS. We don't allow these to be
8531 * sent until we are logged on. Crafty kibitzes have been known to
8532 * interfere with the login process.
8535 if (!strncmp(message, "tellics ", 8)) {
8536 SendToICS(message + 8);
8540 if (!strncmp(message, "tellicsnoalias ", 15)) {
8541 SendToICS(ics_prefix);
8542 SendToICS(message + 15);
8546 /* The following are for backward compatibility only */
8547 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8548 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8549 SendToICS(ics_prefix);
8555 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8559 * If the move is illegal, cancel it and redraw the board.
8560 * Also deal with other error cases. Matching is rather loose
8561 * here to accommodate engines written before the spec.
8563 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8564 strncmp(message, "Error", 5) == 0) {
8565 if (StrStr(message, "name") ||
8566 StrStr(message, "rating") || StrStr(message, "?") ||
8567 StrStr(message, "result") || StrStr(message, "board") ||
8568 StrStr(message, "bk") || StrStr(message, "computer") ||
8569 StrStr(message, "variant") || StrStr(message, "hint") ||
8570 StrStr(message, "random") || StrStr(message, "depth") ||
8571 StrStr(message, "accepted")) {
8574 if (StrStr(message, "protover")) {
8575 /* Program is responding to input, so it's apparently done
8576 initializing, and this error message indicates it is
8577 protocol version 1. So we don't need to wait any longer
8578 for it to initialize and send feature commands. */
8579 FeatureDone(cps, 1);
8580 cps->protocolVersion = 1;
8583 cps->maybeThinking = FALSE;
8585 if (StrStr(message, "draw")) {
8586 /* Program doesn't have "draw" command */
8587 cps->sendDrawOffers = 0;
8590 if (cps->sendTime != 1 &&
8591 (StrStr(message, "time") || StrStr(message, "otim"))) {
8592 /* Program apparently doesn't have "time" or "otim" command */
8596 if (StrStr(message, "analyze")) {
8597 cps->analysisSupport = FALSE;
8598 cps->analyzing = FALSE;
8599 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8600 EditGameEvent(); // [HGM] try to preserve loaded game
8601 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8602 DisplayError(buf2, 0);
8605 if (StrStr(message, "(no matching move)st")) {
8606 /* Special kludge for GNU Chess 4 only */
8607 cps->stKludge = TRUE;
8608 SendTimeControl(cps, movesPerSession, timeControl,
8609 timeIncrement, appData.searchDepth,
8613 if (StrStr(message, "(no matching move)sd")) {
8614 /* Special kludge for GNU Chess 4 only */
8615 cps->sdKludge = TRUE;
8616 SendTimeControl(cps, movesPerSession, timeControl,
8617 timeIncrement, appData.searchDepth,
8621 if (!StrStr(message, "llegal")) {
8624 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8625 gameMode == IcsIdle) return;
8626 if (forwardMostMove <= backwardMostMove) return;
8627 if (pausing) PauseEvent();
8628 if(appData.forceIllegal) {
8629 // [HGM] illegal: machine refused move; force position after move into it
8630 SendToProgram("force\n", cps);
8631 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8632 // we have a real problem now, as SendBoard will use the a2a3 kludge
8633 // when black is to move, while there might be nothing on a2 or black
8634 // might already have the move. So send the board as if white has the move.
8635 // But first we must change the stm of the engine, as it refused the last move
8636 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8637 if(WhiteOnMove(forwardMostMove)) {
8638 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8639 SendBoard(cps, forwardMostMove); // kludgeless board
8641 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8642 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8643 SendBoard(cps, forwardMostMove+1); // kludgeless board
8645 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8646 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8647 gameMode == TwoMachinesPlay)
8648 SendToProgram("go\n", cps);
8651 if (gameMode == PlayFromGameFile) {
8652 /* Stop reading this game file */
8653 gameMode = EditGame;
8656 /* [HGM] illegal-move claim should forfeit game when Xboard */
8657 /* only passes fully legal moves */
8658 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8659 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8660 "False illegal-move claim", GE_XBOARD );
8661 return; // do not take back move we tested as valid
8663 currentMove = forwardMostMove-1;
8664 DisplayMove(currentMove-1); /* before DisplayMoveError */
8665 SwitchClocks(forwardMostMove-1); // [HGM] race
8666 DisplayBothClocks();
8667 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8668 parseList[currentMove], _(cps->which));
8669 DisplayMoveError(buf1);
8670 DrawPosition(FALSE, boards[currentMove]);
8672 SetUserThinkingEnables();
8675 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8676 /* Program has a broken "time" command that
8677 outputs a string not ending in newline.
8683 * If chess program startup fails, exit with an error message.
8684 * Attempts to recover here are futile. [HGM] Well, we try anyway
8686 if ((StrStr(message, "unknown host") != NULL)
8687 || (StrStr(message, "No remote directory") != NULL)
8688 || (StrStr(message, "not found") != NULL)
8689 || (StrStr(message, "No such file") != NULL)
8690 || (StrStr(message, "can't alloc") != NULL)
8691 || (StrStr(message, "Permission denied") != NULL)) {
8693 cps->maybeThinking = FALSE;
8694 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8695 _(cps->which), cps->program, cps->host, message);
8696 RemoveInputSource(cps->isr);
8697 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8698 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8699 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8705 * Look for hint output
8707 if (sscanf(message, "Hint: %s", buf1) == 1) {
8708 if (cps == &first && hintRequested) {
8709 hintRequested = FALSE;
8710 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8711 &fromX, &fromY, &toX, &toY, &promoChar)) {
8712 (void) CoordsToAlgebraic(boards[forwardMostMove],
8713 PosFlags(forwardMostMove),
8714 fromY, fromX, toY, toX, promoChar, buf1);
8715 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8716 DisplayInformation(buf2);
8718 /* Hint move could not be parsed!? */
8719 snprintf(buf2, sizeof(buf2),
8720 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8721 buf1, _(cps->which));
8722 DisplayError(buf2, 0);
8725 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8731 * Ignore other messages if game is not in progress
8733 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8734 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8737 * look for win, lose, draw, or draw offer
8739 if (strncmp(message, "1-0", 3) == 0) {
8740 char *p, *q, *r = "";
8741 p = strchr(message, '{');
8749 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8751 } else if (strncmp(message, "0-1", 3) == 0) {
8752 char *p, *q, *r = "";
8753 p = strchr(message, '{');
8761 /* Kludge for Arasan 4.1 bug */
8762 if (strcmp(r, "Black resigns") == 0) {
8763 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8766 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8768 } else if (strncmp(message, "1/2", 3) == 0) {
8769 char *p, *q, *r = "";
8770 p = strchr(message, '{');
8779 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8782 } else if (strncmp(message, "White resign", 12) == 0) {
8783 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8785 } else if (strncmp(message, "Black resign", 12) == 0) {
8786 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8788 } else if (strncmp(message, "White matches", 13) == 0 ||
8789 strncmp(message, "Black matches", 13) == 0 ) {
8790 /* [HGM] ignore GNUShogi noises */
8792 } else if (strncmp(message, "White", 5) == 0 &&
8793 message[5] != '(' &&
8794 StrStr(message, "Black") == NULL) {
8795 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8797 } else if (strncmp(message, "Black", 5) == 0 &&
8798 message[5] != '(') {
8799 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8801 } else if (strcmp(message, "resign") == 0 ||
8802 strcmp(message, "computer resigns") == 0) {
8804 case MachinePlaysBlack:
8805 case IcsPlayingBlack:
8806 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8808 case MachinePlaysWhite:
8809 case IcsPlayingWhite:
8810 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8812 case TwoMachinesPlay:
8813 if (cps->twoMachinesColor[0] == 'w')
8814 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8816 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8823 } else if (strncmp(message, "opponent mates", 14) == 0) {
8825 case MachinePlaysBlack:
8826 case IcsPlayingBlack:
8827 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8829 case MachinePlaysWhite:
8830 case IcsPlayingWhite:
8831 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8833 case TwoMachinesPlay:
8834 if (cps->twoMachinesColor[0] == 'w')
8835 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8837 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8844 } else if (strncmp(message, "computer mates", 14) == 0) {
8846 case MachinePlaysBlack:
8847 case IcsPlayingBlack:
8848 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8850 case MachinePlaysWhite:
8851 case IcsPlayingWhite:
8852 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8854 case TwoMachinesPlay:
8855 if (cps->twoMachinesColor[0] == 'w')
8856 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8858 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8865 } else if (strncmp(message, "checkmate", 9) == 0) {
8866 if (WhiteOnMove(forwardMostMove)) {
8867 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8869 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8872 } else if (strstr(message, "Draw") != NULL ||
8873 strstr(message, "game is a draw") != NULL) {
8874 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8876 } else if (strstr(message, "offer") != NULL &&
8877 strstr(message, "draw") != NULL) {
8879 if (appData.zippyPlay && first.initDone) {
8880 /* Relay offer to ICS */
8881 SendToICS(ics_prefix);
8882 SendToICS("draw\n");
8885 cps->offeredDraw = 2; /* valid until this engine moves twice */
8886 if (gameMode == TwoMachinesPlay) {
8887 if (cps->other->offeredDraw) {
8888 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8889 /* [HGM] in two-machine mode we delay relaying draw offer */
8890 /* until after we also have move, to see if it is really claim */
8892 } else if (gameMode == MachinePlaysWhite ||
8893 gameMode == MachinePlaysBlack) {
8894 if (userOfferedDraw) {
8895 DisplayInformation(_("Machine accepts your draw offer"));
8896 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8898 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8905 * Look for thinking output
8907 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8908 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8910 int plylev, mvleft, mvtot, curscore, time;
8911 char mvname[MOVE_LEN];
8915 int prefixHint = FALSE;
8916 mvname[0] = NULLCHAR;
8919 case MachinePlaysBlack:
8920 case IcsPlayingBlack:
8921 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8923 case MachinePlaysWhite:
8924 case IcsPlayingWhite:
8925 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8930 case IcsObserving: /* [DM] icsEngineAnalyze */
8931 if (!appData.icsEngineAnalyze) ignore = TRUE;
8933 case TwoMachinesPlay:
8934 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8944 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8946 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8947 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8949 if (plyext != ' ' && plyext != '\t') {
8953 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8954 if( cps->scoreIsAbsolute &&
8955 ( gameMode == MachinePlaysBlack ||
8956 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8957 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8958 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8959 !WhiteOnMove(currentMove)
8962 curscore = -curscore;
8965 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8967 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8970 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8971 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8972 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8973 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8974 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8975 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8977 } else DisplayError(_("failed writing PV"), 0);
8980 tempStats.depth = plylev;
8981 tempStats.nodes = nodes;
8982 tempStats.time = time;
8983 tempStats.score = curscore;
8984 tempStats.got_only_move = 0;
8986 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8989 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8990 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8991 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8992 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8993 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8994 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8995 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8996 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8999 /* Buffer overflow protection */
9000 if (pv[0] != NULLCHAR) {
9001 if (strlen(pv) >= sizeof(tempStats.movelist)
9002 && appData.debugMode) {
9004 "PV is too long; using the first %u bytes.\n",
9005 (unsigned) sizeof(tempStats.movelist) - 1);
9008 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9010 sprintf(tempStats.movelist, " no PV\n");
9013 if (tempStats.seen_stat) {
9014 tempStats.ok_to_send = 1;
9017 if (strchr(tempStats.movelist, '(') != NULL) {
9018 tempStats.line_is_book = 1;
9019 tempStats.nr_moves = 0;
9020 tempStats.moves_left = 0;
9022 tempStats.line_is_book = 0;
9025 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9026 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9028 SendProgramStatsToFrontend( cps, &tempStats );
9031 [AS] Protect the thinkOutput buffer from overflow... this
9032 is only useful if buf1 hasn't overflowed first!
9034 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9036 (gameMode == TwoMachinesPlay ?
9037 ToUpper(cps->twoMachinesColor[0]) : ' '),
9038 ((double) curscore) / 100.0,
9039 prefixHint ? lastHint : "",
9040 prefixHint ? " " : "" );
9042 if( buf1[0] != NULLCHAR ) {
9043 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9045 if( strlen(pv) > max_len ) {
9046 if( appData.debugMode) {
9047 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9049 pv[max_len+1] = '\0';
9052 strcat( thinkOutput, pv);
9055 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9056 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9057 DisplayMove(currentMove - 1);
9061 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9062 /* crafty (9.25+) says "(only move) <move>"
9063 * if there is only 1 legal move
9065 sscanf(p, "(only move) %s", buf1);
9066 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9067 sprintf(programStats.movelist, "%s (only move)", buf1);
9068 programStats.depth = 1;
9069 programStats.nr_moves = 1;
9070 programStats.moves_left = 1;
9071 programStats.nodes = 1;
9072 programStats.time = 1;
9073 programStats.got_only_move = 1;
9075 /* Not really, but we also use this member to
9076 mean "line isn't going to change" (Crafty
9077 isn't searching, so stats won't change) */
9078 programStats.line_is_book = 1;
9080 SendProgramStatsToFrontend( cps, &programStats );
9082 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9083 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9084 DisplayMove(currentMove - 1);
9087 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9088 &time, &nodes, &plylev, &mvleft,
9089 &mvtot, mvname) >= 5) {
9090 /* The stat01: line is from Crafty (9.29+) in response
9091 to the "." command */
9092 programStats.seen_stat = 1;
9093 cps->maybeThinking = TRUE;
9095 if (programStats.got_only_move || !appData.periodicUpdates)
9098 programStats.depth = plylev;
9099 programStats.time = time;
9100 programStats.nodes = nodes;
9101 programStats.moves_left = mvleft;
9102 programStats.nr_moves = mvtot;
9103 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9104 programStats.ok_to_send = 1;
9105 programStats.movelist[0] = '\0';
9107 SendProgramStatsToFrontend( cps, &programStats );
9111 } else if (strncmp(message,"++",2) == 0) {
9112 /* Crafty 9.29+ outputs this */
9113 programStats.got_fail = 2;
9116 } else if (strncmp(message,"--",2) == 0) {
9117 /* Crafty 9.29+ outputs this */
9118 programStats.got_fail = 1;
9121 } else if (thinkOutput[0] != NULLCHAR &&
9122 strncmp(message, " ", 4) == 0) {
9123 unsigned message_len;
9126 while (*p && *p == ' ') p++;
9128 message_len = strlen( p );
9130 /* [AS] Avoid buffer overflow */
9131 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9132 strcat(thinkOutput, " ");
9133 strcat(thinkOutput, p);
9136 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9137 strcat(programStats.movelist, " ");
9138 strcat(programStats.movelist, p);
9141 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9142 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9143 DisplayMove(currentMove - 1);
9151 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9152 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9154 ChessProgramStats cpstats;
9156 if (plyext != ' ' && plyext != '\t') {
9160 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9161 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9162 curscore = -curscore;
9165 cpstats.depth = plylev;
9166 cpstats.nodes = nodes;
9167 cpstats.time = time;
9168 cpstats.score = curscore;
9169 cpstats.got_only_move = 0;
9170 cpstats.movelist[0] = '\0';
9172 if (buf1[0] != NULLCHAR) {
9173 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9176 cpstats.ok_to_send = 0;
9177 cpstats.line_is_book = 0;
9178 cpstats.nr_moves = 0;
9179 cpstats.moves_left = 0;
9181 SendProgramStatsToFrontend( cps, &cpstats );
9188 /* Parse a game score from the character string "game", and
9189 record it as the history of the current game. The game
9190 score is NOT assumed to start from the standard position.
9191 The display is not updated in any way.
9194 ParseGameHistory (char *game)
9197 int fromX, fromY, toX, toY, boardIndex;
9202 if (appData.debugMode)
9203 fprintf(debugFP, "Parsing game history: %s\n", game);
9205 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9206 gameInfo.site = StrSave(appData.icsHost);
9207 gameInfo.date = PGNDate();
9208 gameInfo.round = StrSave("-");
9210 /* Parse out names of players */
9211 while (*game == ' ') game++;
9213 while (*game != ' ') *p++ = *game++;
9215 gameInfo.white = StrSave(buf);
9216 while (*game == ' ') game++;
9218 while (*game != ' ' && *game != '\n') *p++ = *game++;
9220 gameInfo.black = StrSave(buf);
9223 boardIndex = blackPlaysFirst ? 1 : 0;
9226 yyboardindex = boardIndex;
9227 moveType = (ChessMove) Myylex();
9229 case IllegalMove: /* maybe suicide chess, etc. */
9230 if (appData.debugMode) {
9231 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9232 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9233 setbuf(debugFP, NULL);
9235 case WhitePromotion:
9236 case BlackPromotion:
9237 case WhiteNonPromotion:
9238 case BlackNonPromotion:
9240 case WhiteCapturesEnPassant:
9241 case BlackCapturesEnPassant:
9242 case WhiteKingSideCastle:
9243 case WhiteQueenSideCastle:
9244 case BlackKingSideCastle:
9245 case BlackQueenSideCastle:
9246 case WhiteKingSideCastleWild:
9247 case WhiteQueenSideCastleWild:
9248 case BlackKingSideCastleWild:
9249 case BlackQueenSideCastleWild:
9251 case WhiteHSideCastleFR:
9252 case WhiteASideCastleFR:
9253 case BlackHSideCastleFR:
9254 case BlackASideCastleFR:
9256 fromX = currentMoveString[0] - AAA;
9257 fromY = currentMoveString[1] - ONE;
9258 toX = currentMoveString[2] - AAA;
9259 toY = currentMoveString[3] - ONE;
9260 promoChar = currentMoveString[4];
9264 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9265 fromX = moveType == WhiteDrop ?
9266 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9267 (int) CharToPiece(ToLower(currentMoveString[0]));
9269 toX = currentMoveString[2] - AAA;
9270 toY = currentMoveString[3] - ONE;
9271 promoChar = NULLCHAR;
9275 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9276 if (appData.debugMode) {
9277 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9278 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9279 setbuf(debugFP, NULL);
9281 DisplayError(buf, 0);
9283 case ImpossibleMove:
9285 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9286 if (appData.debugMode) {
9287 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9288 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9289 setbuf(debugFP, NULL);
9291 DisplayError(buf, 0);
9294 if (boardIndex < backwardMostMove) {
9295 /* Oops, gap. How did that happen? */
9296 DisplayError(_("Gap in move list"), 0);
9299 backwardMostMove = blackPlaysFirst ? 1 : 0;
9300 if (boardIndex > forwardMostMove) {
9301 forwardMostMove = boardIndex;
9305 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9306 strcat(parseList[boardIndex-1], " ");
9307 strcat(parseList[boardIndex-1], yy_text);
9319 case GameUnfinished:
9320 if (gameMode == IcsExamining) {
9321 if (boardIndex < backwardMostMove) {
9322 /* Oops, gap. How did that happen? */
9325 backwardMostMove = blackPlaysFirst ? 1 : 0;
9328 gameInfo.result = moveType;
9329 p = strchr(yy_text, '{');
9330 if (p == NULL) p = strchr(yy_text, '(');
9333 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9335 q = strchr(p, *p == '{' ? '}' : ')');
9336 if (q != NULL) *q = NULLCHAR;
9339 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9340 gameInfo.resultDetails = StrSave(p);
9343 if (boardIndex >= forwardMostMove &&
9344 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9345 backwardMostMove = blackPlaysFirst ? 1 : 0;
9348 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9349 fromY, fromX, toY, toX, promoChar,
9350 parseList[boardIndex]);
9351 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9352 /* currentMoveString is set as a side-effect of yylex */
9353 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9354 strcat(moveList[boardIndex], "\n");
9356 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9357 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9363 if(gameInfo.variant != VariantShogi)
9364 strcat(parseList[boardIndex - 1], "+");
9368 strcat(parseList[boardIndex - 1], "#");
9375 /* Apply a move to the given board */
9377 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9379 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9380 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9382 /* [HGM] compute & store e.p. status and castling rights for new position */
9383 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9385 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9386 oldEP = (signed char)board[EP_STATUS];
9387 board[EP_STATUS] = EP_NONE;
9389 if (fromY == DROP_RANK) {
9391 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9392 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9395 piece = board[toY][toX] = (ChessSquare) fromX;
9399 if( board[toY][toX] != EmptySquare )
9400 board[EP_STATUS] = EP_CAPTURE;
9402 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9403 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9404 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9406 if( board[fromY][fromX] == WhitePawn ) {
9407 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9408 board[EP_STATUS] = EP_PAWN_MOVE;
9410 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9411 gameInfo.variant != VariantBerolina || toX < fromX)
9412 board[EP_STATUS] = toX | berolina;
9413 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9414 gameInfo.variant != VariantBerolina || toX > fromX)
9415 board[EP_STATUS] = toX;
9418 if( board[fromY][fromX] == BlackPawn ) {
9419 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9420 board[EP_STATUS] = EP_PAWN_MOVE;
9421 if( toY-fromY== -2) {
9422 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9423 gameInfo.variant != VariantBerolina || toX < fromX)
9424 board[EP_STATUS] = toX | berolina;
9425 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9426 gameInfo.variant != VariantBerolina || toX > fromX)
9427 board[EP_STATUS] = toX;
9431 for(i=0; i<nrCastlingRights; i++) {
9432 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9433 board[CASTLING][i] == toX && castlingRank[i] == toY
9434 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9437 if(gameInfo.variant == VariantSChess) { // update virginity
9438 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9439 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9440 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9441 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9444 if (fromX == toX && fromY == toY) return;
9446 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9447 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9448 if(gameInfo.variant == VariantKnightmate)
9449 king += (int) WhiteUnicorn - (int) WhiteKing;
9451 /* Code added by Tord: */
9452 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9453 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9454 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9455 board[fromY][fromX] = EmptySquare;
9456 board[toY][toX] = EmptySquare;
9457 if((toX > fromX) != (piece == WhiteRook)) {
9458 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9460 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9462 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9463 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9464 board[fromY][fromX] = EmptySquare;
9465 board[toY][toX] = EmptySquare;
9466 if((toX > fromX) != (piece == BlackRook)) {
9467 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9469 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9471 /* End of code added by Tord */
9473 } else if (board[fromY][fromX] == king
9474 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9475 && toY == fromY && toX > fromX+1) {
9476 board[fromY][fromX] = EmptySquare;
9477 board[toY][toX] = king;
9478 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9479 board[fromY][BOARD_RGHT-1] = EmptySquare;
9480 } else if (board[fromY][fromX] == king
9481 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9482 && toY == fromY && toX < fromX-1) {
9483 board[fromY][fromX] = EmptySquare;
9484 board[toY][toX] = king;
9485 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9486 board[fromY][BOARD_LEFT] = EmptySquare;
9487 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9488 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9489 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9491 /* white pawn promotion */
9492 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9493 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9494 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9495 board[fromY][fromX] = EmptySquare;
9496 } else if ((fromY >= BOARD_HEIGHT>>1)
9497 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9499 && gameInfo.variant != VariantXiangqi
9500 && gameInfo.variant != VariantBerolina
9501 && (board[fromY][fromX] == WhitePawn)
9502 && (board[toY][toX] == EmptySquare)) {
9503 board[fromY][fromX] = EmptySquare;
9504 board[toY][toX] = WhitePawn;
9505 captured = board[toY - 1][toX];
9506 board[toY - 1][toX] = EmptySquare;
9507 } else if ((fromY == BOARD_HEIGHT-4)
9509 && gameInfo.variant == VariantBerolina
9510 && (board[fromY][fromX] == WhitePawn)
9511 && (board[toY][toX] == EmptySquare)) {
9512 board[fromY][fromX] = EmptySquare;
9513 board[toY][toX] = WhitePawn;
9514 if(oldEP & EP_BEROLIN_A) {
9515 captured = board[fromY][fromX-1];
9516 board[fromY][fromX-1] = EmptySquare;
9517 }else{ captured = board[fromY][fromX+1];
9518 board[fromY][fromX+1] = EmptySquare;
9520 } else if (board[fromY][fromX] == king
9521 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9522 && toY == fromY && toX > fromX+1) {
9523 board[fromY][fromX] = EmptySquare;
9524 board[toY][toX] = king;
9525 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9526 board[fromY][BOARD_RGHT-1] = EmptySquare;
9527 } else if (board[fromY][fromX] == king
9528 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9529 && toY == fromY && toX < fromX-1) {
9530 board[fromY][fromX] = EmptySquare;
9531 board[toY][toX] = king;
9532 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9533 board[fromY][BOARD_LEFT] = EmptySquare;
9534 } else if (fromY == 7 && fromX == 3
9535 && board[fromY][fromX] == BlackKing
9536 && toY == 7 && toX == 5) {
9537 board[fromY][fromX] = EmptySquare;
9538 board[toY][toX] = BlackKing;
9539 board[fromY][7] = EmptySquare;
9540 board[toY][4] = BlackRook;
9541 } else if (fromY == 7 && fromX == 3
9542 && board[fromY][fromX] == BlackKing
9543 && toY == 7 && toX == 1) {
9544 board[fromY][fromX] = EmptySquare;
9545 board[toY][toX] = BlackKing;
9546 board[fromY][0] = EmptySquare;
9547 board[toY][2] = BlackRook;
9548 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9549 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9550 && toY < promoRank && promoChar
9552 /* black pawn promotion */
9553 board[toY][toX] = CharToPiece(ToLower(promoChar));
9554 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9555 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9556 board[fromY][fromX] = EmptySquare;
9557 } else if ((fromY < BOARD_HEIGHT>>1)
9558 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9560 && gameInfo.variant != VariantXiangqi
9561 && gameInfo.variant != VariantBerolina
9562 && (board[fromY][fromX] == BlackPawn)
9563 && (board[toY][toX] == EmptySquare)) {
9564 board[fromY][fromX] = EmptySquare;
9565 board[toY][toX] = BlackPawn;
9566 captured = board[toY + 1][toX];
9567 board[toY + 1][toX] = EmptySquare;
9568 } else if ((fromY == 3)
9570 && gameInfo.variant == VariantBerolina
9571 && (board[fromY][fromX] == BlackPawn)
9572 && (board[toY][toX] == EmptySquare)) {
9573 board[fromY][fromX] = EmptySquare;
9574 board[toY][toX] = BlackPawn;
9575 if(oldEP & EP_BEROLIN_A) {
9576 captured = board[fromY][fromX-1];
9577 board[fromY][fromX-1] = EmptySquare;
9578 }else{ captured = board[fromY][fromX+1];
9579 board[fromY][fromX+1] = EmptySquare;
9582 board[toY][toX] = board[fromY][fromX];
9583 board[fromY][fromX] = EmptySquare;
9587 if (gameInfo.holdingsWidth != 0) {
9589 /* !!A lot more code needs to be written to support holdings */
9590 /* [HGM] OK, so I have written it. Holdings are stored in the */
9591 /* penultimate board files, so they are automaticlly stored */
9592 /* in the game history. */
9593 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9594 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9595 /* Delete from holdings, by decreasing count */
9596 /* and erasing image if necessary */
9597 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9598 if(p < (int) BlackPawn) { /* white drop */
9599 p -= (int)WhitePawn;
9600 p = PieceToNumber((ChessSquare)p);
9601 if(p >= gameInfo.holdingsSize) p = 0;
9602 if(--board[p][BOARD_WIDTH-2] <= 0)
9603 board[p][BOARD_WIDTH-1] = EmptySquare;
9604 if((int)board[p][BOARD_WIDTH-2] < 0)
9605 board[p][BOARD_WIDTH-2] = 0;
9606 } else { /* black drop */
9607 p -= (int)BlackPawn;
9608 p = PieceToNumber((ChessSquare)p);
9609 if(p >= gameInfo.holdingsSize) p = 0;
9610 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9611 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9612 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9613 board[BOARD_HEIGHT-1-p][1] = 0;
9616 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9617 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9618 /* [HGM] holdings: Add to holdings, if holdings exist */
9619 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9620 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9621 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9624 if (p >= (int) BlackPawn) {
9625 p -= (int)BlackPawn;
9626 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9627 /* in Shogi restore piece to its original first */
9628 captured = (ChessSquare) (DEMOTED captured);
9631 p = PieceToNumber((ChessSquare)p);
9632 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9633 board[p][BOARD_WIDTH-2]++;
9634 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9636 p -= (int)WhitePawn;
9637 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9638 captured = (ChessSquare) (DEMOTED captured);
9641 p = PieceToNumber((ChessSquare)p);
9642 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9643 board[BOARD_HEIGHT-1-p][1]++;
9644 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9647 } else if (gameInfo.variant == VariantAtomic) {
9648 if (captured != EmptySquare) {
9650 for (y = toY-1; y <= toY+1; y++) {
9651 for (x = toX-1; x <= toX+1; x++) {
9652 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9653 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9654 board[y][x] = EmptySquare;
9658 board[toY][toX] = EmptySquare;
9661 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9662 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9664 if(promoChar == '+') {
9665 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9666 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9667 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9668 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9669 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9670 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9671 board[toY][toX] = newPiece;
9673 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9674 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9675 // [HGM] superchess: take promotion piece out of holdings
9676 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9677 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9678 if(!--board[k][BOARD_WIDTH-2])
9679 board[k][BOARD_WIDTH-1] = EmptySquare;
9681 if(!--board[BOARD_HEIGHT-1-k][1])
9682 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9688 /* Updates forwardMostMove */
9690 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9692 // forwardMostMove++; // [HGM] bare: moved downstream
9694 (void) CoordsToAlgebraic(boards[forwardMostMove],
9695 PosFlags(forwardMostMove),
9696 fromY, fromX, toY, toX, promoChar,
9697 parseList[forwardMostMove]);
9699 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9700 int timeLeft; static int lastLoadFlag=0; int king, piece;
9701 piece = boards[forwardMostMove][fromY][fromX];
9702 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9703 if(gameInfo.variant == VariantKnightmate)
9704 king += (int) WhiteUnicorn - (int) WhiteKing;
9705 if(forwardMostMove == 0) {
9706 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9707 fprintf(serverMoves, "%s;", UserName());
9708 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9709 fprintf(serverMoves, "%s;", second.tidy);
9710 fprintf(serverMoves, "%s;", first.tidy);
9711 if(gameMode == MachinePlaysWhite)
9712 fprintf(serverMoves, "%s;", UserName());
9713 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9714 fprintf(serverMoves, "%s;", second.tidy);
9715 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9716 lastLoadFlag = loadFlag;
9718 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9719 // print castling suffix
9720 if( toY == fromY && piece == king ) {
9722 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9724 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9727 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9728 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9729 boards[forwardMostMove][toY][toX] == EmptySquare
9730 && fromX != toX && fromY != toY)
9731 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9733 if(promoChar != NULLCHAR) {
9734 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9735 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9736 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9737 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9740 char buf[MOVE_LEN*2], *p; int len;
9741 fprintf(serverMoves, "/%d/%d",
9742 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9743 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9744 else timeLeft = blackTimeRemaining/1000;
9745 fprintf(serverMoves, "/%d", timeLeft);
9746 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9747 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9748 if(p = strchr(buf, '=')) *p = NULLCHAR;
9749 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9750 fprintf(serverMoves, "/%s", buf);
9752 fflush(serverMoves);
9755 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9756 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9759 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9760 if (commentList[forwardMostMove+1] != NULL) {
9761 free(commentList[forwardMostMove+1]);
9762 commentList[forwardMostMove+1] = NULL;
9764 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9765 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9766 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9767 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9768 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9769 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9770 adjustedClock = FALSE;
9771 gameInfo.result = GameUnfinished;
9772 if (gameInfo.resultDetails != NULL) {
9773 free(gameInfo.resultDetails);
9774 gameInfo.resultDetails = NULL;
9776 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9777 moveList[forwardMostMove - 1]);
9778 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9784 if(gameInfo.variant != VariantShogi)
9785 strcat(parseList[forwardMostMove - 1], "+");
9789 strcat(parseList[forwardMostMove - 1], "#");
9795 /* Updates currentMove if not pausing */
9797 ShowMove (int fromX, int fromY, int toX, int toY)
9799 int instant = (gameMode == PlayFromGameFile) ?
9800 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9801 if(appData.noGUI) return;
9802 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9804 if (forwardMostMove == currentMove + 1) {
9805 AnimateMove(boards[forwardMostMove - 1],
9806 fromX, fromY, toX, toY);
9809 currentMove = forwardMostMove;
9812 if (instant) return;
9814 DisplayMove(currentMove - 1);
9815 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9816 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9817 SetHighlights(fromX, fromY, toX, toY);
9820 DrawPosition(FALSE, boards[currentMove]);
9821 DisplayBothClocks();
9822 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9826 SendEgtPath (ChessProgramState *cps)
9827 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9828 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9830 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9833 char c, *q = name+1, *r, *s;
9835 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9836 while(*p && *p != ',') *q++ = *p++;
9838 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9839 strcmp(name, ",nalimov:") == 0 ) {
9840 // take nalimov path from the menu-changeable option first, if it is defined
9841 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9842 SendToProgram(buf,cps); // send egtbpath command for nalimov
9844 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9845 (s = StrStr(appData.egtFormats, name)) != NULL) {
9846 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9847 s = r = StrStr(s, ":") + 1; // beginning of path info
9848 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9849 c = *r; *r = 0; // temporarily null-terminate path info
9850 *--q = 0; // strip of trailig ':' from name
9851 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9853 SendToProgram(buf,cps); // send egtbpath command for this format
9855 if(*p == ',') p++; // read away comma to position for next format name
9860 NonStandardBoardSize ()
9862 /* [HGM] Awkward testing. Should really be a table */
9863 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9864 if( gameInfo.variant == VariantXiangqi )
9865 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9866 if( gameInfo.variant == VariantShogi )
9867 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9868 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9869 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9870 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9871 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9872 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9873 if( gameInfo.variant == VariantCourier )
9874 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9875 if( gameInfo.variant == VariantSuper )
9876 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9877 if( gameInfo.variant == VariantGreat )
9878 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9879 if( gameInfo.variant == VariantSChess )
9880 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9881 if( gameInfo.variant == VariantGrand )
9882 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9887 InitChessProgram (ChessProgramState *cps, int setup)
9888 /* setup needed to setup FRC opening position */
9890 char buf[MSG_SIZ], b[MSG_SIZ];
9891 if (appData.noChessProgram) return;
9892 hintRequested = FALSE;
9893 bookRequested = FALSE;
9895 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9896 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9897 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9898 if(cps->memSize) { /* [HGM] memory */
9899 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9900 SendToProgram(buf, cps);
9902 SendEgtPath(cps); /* [HGM] EGT */
9903 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9904 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9905 SendToProgram(buf, cps);
9908 SendToProgram(cps->initString, cps);
9909 if (gameInfo.variant != VariantNormal &&
9910 gameInfo.variant != VariantLoadable
9911 /* [HGM] also send variant if board size non-standard */
9912 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9914 char *v = VariantName(gameInfo.variant);
9915 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9916 /* [HGM] in protocol 1 we have to assume all variants valid */
9917 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9918 DisplayFatalError(buf, 0, 1);
9922 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
9923 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9924 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9925 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9926 if(StrStr(cps->variants, b) == NULL) {
9927 // specific sized variant not known, check if general sizing allowed
9928 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9929 if(StrStr(cps->variants, "boardsize") == NULL) {
9930 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9931 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9932 DisplayFatalError(buf, 0, 1);
9935 /* [HGM] here we really should compare with the maximum supported board size */
9938 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9939 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9940 SendToProgram(buf, cps);
9942 currentlyInitializedVariant = gameInfo.variant;
9944 /* [HGM] send opening position in FRC to first engine */
9946 SendToProgram("force\n", cps);
9948 /* engine is now in force mode! Set flag to wake it up after first move. */
9949 setboardSpoiledMachineBlack = 1;
9953 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9954 SendToProgram(buf, cps);
9956 cps->maybeThinking = FALSE;
9957 cps->offeredDraw = 0;
9958 if (!appData.icsActive) {
9959 SendTimeControl(cps, movesPerSession, timeControl,
9960 timeIncrement, appData.searchDepth,
9963 if (appData.showThinking
9964 // [HGM] thinking: four options require thinking output to be sent
9965 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9967 SendToProgram("post\n", cps);
9969 SendToProgram("hard\n", cps);
9970 if (!appData.ponderNextMove) {
9971 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9972 it without being sure what state we are in first. "hard"
9973 is not a toggle, so that one is OK.
9975 SendToProgram("easy\n", cps);
9978 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9979 SendToProgram(buf, cps);
9981 cps->initDone = TRUE;
9982 ClearEngineOutputPane(cps == &second);
9987 ResendOptions (ChessProgramState *cps)
9988 { // send the stored value of the options
9991 Option *opt = cps->option;
9992 for(i=0; i<cps->nrOptions; i++, opt++) {
9997 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10000 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10003 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10009 SendToProgram(buf, cps);
10014 StartChessProgram (ChessProgramState *cps)
10019 if (appData.noChessProgram) return;
10020 cps->initDone = FALSE;
10022 if (strcmp(cps->host, "localhost") == 0) {
10023 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10024 } else if (*appData.remoteShell == NULLCHAR) {
10025 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10027 if (*appData.remoteUser == NULLCHAR) {
10028 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10031 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10032 cps->host, appData.remoteUser, cps->program);
10034 err = StartChildProcess(buf, "", &cps->pr);
10038 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10039 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10040 if(cps != &first) return;
10041 appData.noChessProgram = TRUE;
10044 // DisplayFatalError(buf, err, 1);
10045 // cps->pr = NoProc;
10046 // cps->isr = NULL;
10050 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10051 if (cps->protocolVersion > 1) {
10052 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10053 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10054 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10055 cps->comboCnt = 0; // and values of combo boxes
10057 SendToProgram(buf, cps);
10058 if(cps->reload) ResendOptions(cps);
10060 SendToProgram("xboard\n", cps);
10065 TwoMachinesEventIfReady P((void))
10067 static int curMess = 0;
10068 if (first.lastPing != first.lastPong) {
10069 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10070 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10073 if (second.lastPing != second.lastPong) {
10074 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10075 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10078 DisplayMessage("", ""); curMess = 0;
10079 TwoMachinesEvent();
10083 MakeName (char *template)
10087 static char buf[MSG_SIZ];
10091 clock = time((time_t *)NULL);
10092 tm = localtime(&clock);
10094 while(*p++ = *template++) if(p[-1] == '%') {
10095 switch(*template++) {
10096 case 0: *p = 0; return buf;
10097 case 'Y': i = tm->tm_year+1900; break;
10098 case 'y': i = tm->tm_year-100; break;
10099 case 'M': i = tm->tm_mon+1; break;
10100 case 'd': i = tm->tm_mday; break;
10101 case 'h': i = tm->tm_hour; break;
10102 case 'm': i = tm->tm_min; break;
10103 case 's': i = tm->tm_sec; break;
10106 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10112 CountPlayers (char *p)
10115 while(p = strchr(p, '\n')) p++, n++; // count participants
10120 WriteTourneyFile (char *results, FILE *f)
10121 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10122 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10123 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10124 // create a file with tournament description
10125 fprintf(f, "-participants {%s}\n", appData.participants);
10126 fprintf(f, "-seedBase %d\n", appData.seedBase);
10127 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10128 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10129 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10130 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10131 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10132 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10133 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10134 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10135 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10136 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10137 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10138 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10139 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10140 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10141 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10142 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10143 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10144 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10145 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10146 fprintf(f, "-smpCores %d\n", appData.smpCores);
10148 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10150 fprintf(f, "-mps %d\n", appData.movesPerSession);
10151 fprintf(f, "-tc %s\n", appData.timeControl);
10152 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10154 fprintf(f, "-results \"%s\"\n", results);
10159 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10162 Substitute (char *participants, int expunge)
10164 int i, changed, changes=0, nPlayers=0;
10165 char *p, *q, *r, buf[MSG_SIZ];
10166 if(participants == NULL) return;
10167 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10168 r = p = participants; q = appData.participants;
10169 while(*p && *p == *q) {
10170 if(*p == '\n') r = p+1, nPlayers++;
10173 if(*p) { // difference
10174 while(*p && *p++ != '\n');
10175 while(*q && *q++ != '\n');
10176 changed = nPlayers;
10177 changes = 1 + (strcmp(p, q) != 0);
10179 if(changes == 1) { // a single engine mnemonic was changed
10180 q = r; while(*q) nPlayers += (*q++ == '\n');
10181 p = buf; while(*r && (*p = *r++) != '\n') p++;
10183 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10184 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10185 if(mnemonic[i]) { // The substitute is valid
10187 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10188 flock(fileno(f), LOCK_EX);
10189 ParseArgsFromFile(f);
10190 fseek(f, 0, SEEK_SET);
10191 FREE(appData.participants); appData.participants = participants;
10192 if(expunge) { // erase results of replaced engine
10193 int len = strlen(appData.results), w, b, dummy;
10194 for(i=0; i<len; i++) {
10195 Pairing(i, nPlayers, &w, &b, &dummy);
10196 if((w == changed || b == changed) && appData.results[i] == '*') {
10197 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10202 for(i=0; i<len; i++) {
10203 Pairing(i, nPlayers, &w, &b, &dummy);
10204 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10207 WriteTourneyFile(appData.results, f);
10208 fclose(f); // release lock
10211 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10213 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10214 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10215 free(participants);
10220 CheckPlayers (char *participants)
10223 char buf[MSG_SIZ], *p;
10224 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10225 while(p = strchr(participants, '\n')) {
10227 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10229 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10231 DisplayError(buf, 0);
10235 participants = p + 1;
10241 CreateTourney (char *name)
10244 if(matchMode && strcmp(name, appData.tourneyFile)) {
10245 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10247 if(name[0] == NULLCHAR) {
10248 if(appData.participants[0])
10249 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10252 f = fopen(name, "r");
10253 if(f) { // file exists
10254 ASSIGN(appData.tourneyFile, name);
10255 ParseArgsFromFile(f); // parse it
10257 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10258 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10259 DisplayError(_("Not enough participants"), 0);
10262 if(CheckPlayers(appData.participants)) return 0;
10263 ASSIGN(appData.tourneyFile, name);
10264 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10265 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10268 appData.noChessProgram = FALSE;
10269 appData.clockMode = TRUE;
10275 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10277 char buf[MSG_SIZ], *p, *q;
10278 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10279 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10280 skip = !all && group[0]; // if group requested, we start in skip mode
10281 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10282 p = names; q = buf; header = 0;
10283 while(*p && *p != '\n') *q++ = *p++;
10285 if(*p == '\n') p++;
10286 if(buf[0] == '#') {
10287 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10288 depth++; // we must be entering a new group
10289 if(all) continue; // suppress printing group headers when complete list requested
10291 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10293 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10294 if(engineList[i]) free(engineList[i]);
10295 engineList[i] = strdup(buf);
10296 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10297 if(engineMnemonic[i]) free(engineMnemonic[i]);
10298 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10300 sscanf(q + 8, "%s", buf + strlen(buf));
10303 engineMnemonic[i] = strdup(buf);
10306 engineList[i] = engineMnemonic[i] = NULL;
10310 // following implemented as macro to avoid type limitations
10311 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10314 SwapEngines (int n)
10315 { // swap settings for first engine and other engine (so far only some selected options)
10320 SWAP(chessProgram, p)
10322 SWAP(hasOwnBookUCI, h)
10323 SWAP(protocolVersion, h)
10325 SWAP(scoreIsAbsolute, h)
10330 SWAP(engOptions, p)
10331 SWAP(engInitString, p)
10332 SWAP(computerString, p)
10334 SWAP(fenOverride, p)
10336 SWAP(accumulateTC, h)
10341 GetEngineLine (char *s, int n)
10345 extern char *icsNames;
10346 if(!s || !*s) return 0;
10347 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10348 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10349 if(!mnemonic[i]) return 0;
10350 if(n == 11) return 1; // just testing if there was a match
10351 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10352 if(n == 1) SwapEngines(n);
10353 ParseArgsFromString(buf);
10354 if(n == 1) SwapEngines(n);
10355 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10356 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10357 ParseArgsFromString(buf);
10363 SetPlayer (int player, char *p)
10364 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10366 char buf[MSG_SIZ], *engineName;
10367 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10368 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10369 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10371 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10372 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10373 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10374 ParseArgsFromString(buf);
10375 } else { // no engine with this nickname is installed!
10376 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10377 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10378 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10380 DisplayError(buf, 0);
10387 char *recentEngines;
10390 RecentEngineEvent (int nr)
10393 // SwapEngines(1); // bump first to second
10394 // ReplaceEngine(&second, 1); // and load it there
10395 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10396 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10397 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10398 ReplaceEngine(&first, 0);
10399 FloatToFront(&appData.recentEngineList, command[n]);
10404 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10405 { // determine players from game number
10406 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10408 if(appData.tourneyType == 0) {
10409 roundsPerCycle = (nPlayers - 1) | 1;
10410 pairingsPerRound = nPlayers / 2;
10411 } else if(appData.tourneyType > 0) {
10412 roundsPerCycle = nPlayers - appData.tourneyType;
10413 pairingsPerRound = appData.tourneyType;
10415 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10416 gamesPerCycle = gamesPerRound * roundsPerCycle;
10417 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10418 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10419 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10420 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10421 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10422 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10424 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10425 if(appData.roundSync) *syncInterval = gamesPerRound;
10427 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10429 if(appData.tourneyType == 0) {
10430 if(curPairing == (nPlayers-1)/2 ) {
10431 *whitePlayer = curRound;
10432 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10434 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10435 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10436 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10437 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10439 } else if(appData.tourneyType > 1) {
10440 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10441 *whitePlayer = curRound + appData.tourneyType;
10442 } else if(appData.tourneyType > 0) {
10443 *whitePlayer = curPairing;
10444 *blackPlayer = curRound + appData.tourneyType;
10447 // take care of white/black alternation per round.
10448 // For cycles and games this is already taken care of by default, derived from matchGame!
10449 return curRound & 1;
10453 NextTourneyGame (int nr, int *swapColors)
10454 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10456 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10458 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10459 tf = fopen(appData.tourneyFile, "r");
10460 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10461 ParseArgsFromFile(tf); fclose(tf);
10462 InitTimeControls(); // TC might be altered from tourney file
10464 nPlayers = CountPlayers(appData.participants); // count participants
10465 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10466 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10469 p = q = appData.results;
10470 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10471 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10472 DisplayMessage(_("Waiting for other game(s)"),"");
10473 waitingForGame = TRUE;
10474 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10477 waitingForGame = FALSE;
10480 if(appData.tourneyType < 0) {
10481 if(nr>=0 && !pairingReceived) {
10483 if(pairing.pr == NoProc) {
10484 if(!appData.pairingEngine[0]) {
10485 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10488 StartChessProgram(&pairing); // starts the pairing engine
10490 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10491 SendToProgram(buf, &pairing);
10492 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10493 SendToProgram(buf, &pairing);
10494 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10496 pairingReceived = 0; // ... so we continue here
10498 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10499 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10500 matchGame = 1; roundNr = nr / syncInterval + 1;
10503 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10505 // redefine engines, engine dir, etc.
10506 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10507 if(first.pr == NoProc) {
10508 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10509 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10511 if(second.pr == NoProc) {
10513 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10514 SwapEngines(1); // and make that valid for second engine by swapping
10515 InitEngine(&second, 1);
10517 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10518 UpdateLogos(FALSE); // leave display to ModeHiglight()
10524 { // performs game initialization that does not invoke engines, and then tries to start the game
10525 int res, firstWhite, swapColors = 0;
10526 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10527 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
10529 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10530 if(strcmp(buf, currentDebugFile)) { // name has changed
10531 FILE *f = fopen(buf, "w");
10532 if(f) { // if opening the new file failed, just keep using the old one
10533 ASSIGN(currentDebugFile, buf);
10537 if(appData.serverFileName) {
10538 if(serverFP) fclose(serverFP);
10539 serverFP = fopen(appData.serverFileName, "w");
10540 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10541 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10545 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10546 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10547 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10548 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10549 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10550 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10551 Reset(FALSE, first.pr != NoProc);
10552 res = LoadGameOrPosition(matchGame); // setup game
10553 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10554 if(!res) return; // abort when bad game/pos file
10555 TwoMachinesEvent();
10559 UserAdjudicationEvent (int result)
10561 ChessMove gameResult = GameIsDrawn;
10564 gameResult = WhiteWins;
10566 else if( result < 0 ) {
10567 gameResult = BlackWins;
10570 if( gameMode == TwoMachinesPlay ) {
10571 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10576 // [HGM] save: calculate checksum of game to make games easily identifiable
10578 StringCheckSum (char *s)
10581 if(s==NULL) return 0;
10582 while(*s) i = i*259 + *s++;
10590 for(i=backwardMostMove; i<forwardMostMove; i++) {
10591 sum += pvInfoList[i].depth;
10592 sum += StringCheckSum(parseList[i]);
10593 sum += StringCheckSum(commentList[i]);
10596 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10597 return sum + StringCheckSum(commentList[i]);
10598 } // end of save patch
10601 GameEnds (ChessMove result, char *resultDetails, int whosays)
10603 GameMode nextGameMode;
10605 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10607 if(endingGame) return; /* [HGM] crash: forbid recursion */
10609 if(twoBoards) { // [HGM] dual: switch back to one board
10610 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10611 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10613 if (appData.debugMode) {
10614 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10615 result, resultDetails ? resultDetails : "(null)", whosays);
10618 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10620 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10622 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10623 /* If we are playing on ICS, the server decides when the
10624 game is over, but the engine can offer to draw, claim
10628 if (appData.zippyPlay && first.initDone) {
10629 if (result == GameIsDrawn) {
10630 /* In case draw still needs to be claimed */
10631 SendToICS(ics_prefix);
10632 SendToICS("draw\n");
10633 } else if (StrCaseStr(resultDetails, "resign")) {
10634 SendToICS(ics_prefix);
10635 SendToICS("resign\n");
10639 endingGame = 0; /* [HGM] crash */
10643 /* If we're loading the game from a file, stop */
10644 if (whosays == GE_FILE) {
10645 (void) StopLoadGameTimer();
10649 /* Cancel draw offers */
10650 first.offeredDraw = second.offeredDraw = 0;
10652 /* If this is an ICS game, only ICS can really say it's done;
10653 if not, anyone can. */
10654 isIcsGame = (gameMode == IcsPlayingWhite ||
10655 gameMode == IcsPlayingBlack ||
10656 gameMode == IcsObserving ||
10657 gameMode == IcsExamining);
10659 if (!isIcsGame || whosays == GE_ICS) {
10660 /* OK -- not an ICS game, or ICS said it was done */
10662 if (!isIcsGame && !appData.noChessProgram)
10663 SetUserThinkingEnables();
10665 /* [HGM] if a machine claims the game end we verify this claim */
10666 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10667 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10669 ChessMove trueResult = (ChessMove) -1;
10671 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10672 first.twoMachinesColor[0] :
10673 second.twoMachinesColor[0] ;
10675 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10676 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10677 /* [HGM] verify: engine mate claims accepted if they were flagged */
10678 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10680 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10681 /* [HGM] verify: engine mate claims accepted if they were flagged */
10682 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10684 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10685 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10688 // now verify win claims, but not in drop games, as we don't understand those yet
10689 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10690 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10691 (result == WhiteWins && claimer == 'w' ||
10692 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10693 if (appData.debugMode) {
10694 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10695 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10697 if(result != trueResult) {
10698 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10699 result = claimer == 'w' ? BlackWins : WhiteWins;
10700 resultDetails = buf;
10703 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10704 && (forwardMostMove <= backwardMostMove ||
10705 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10706 (claimer=='b')==(forwardMostMove&1))
10708 /* [HGM] verify: draws that were not flagged are false claims */
10709 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10710 result = claimer == 'w' ? BlackWins : WhiteWins;
10711 resultDetails = buf;
10713 /* (Claiming a loss is accepted no questions asked!) */
10714 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10715 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10716 result = GameUnfinished;
10717 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10719 /* [HGM] bare: don't allow bare King to win */
10720 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10721 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10722 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10723 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10724 && result != GameIsDrawn)
10725 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10726 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10727 int p = (signed char)boards[forwardMostMove][i][j] - color;
10728 if(p >= 0 && p <= (int)WhiteKing) k++;
10730 if (appData.debugMode) {
10731 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10732 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10735 result = GameIsDrawn;
10736 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10737 resultDetails = buf;
10743 if(serverMoves != NULL && !loadFlag) { char c = '=';
10744 if(result==WhiteWins) c = '+';
10745 if(result==BlackWins) c = '-';
10746 if(resultDetails != NULL)
10747 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10749 if (resultDetails != NULL) {
10750 gameInfo.result = result;
10751 gameInfo.resultDetails = StrSave(resultDetails);
10753 /* display last move only if game was not loaded from file */
10754 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10755 DisplayMove(currentMove - 1);
10757 if (forwardMostMove != 0) {
10758 if (gameMode != PlayFromGameFile && gameMode != EditGame
10759 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10761 if (*appData.saveGameFile != NULLCHAR) {
10762 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10763 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10765 SaveGameToFile(appData.saveGameFile, TRUE);
10766 } else if (appData.autoSaveGames) {
10767 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10769 if (*appData.savePositionFile != NULLCHAR) {
10770 SavePositionToFile(appData.savePositionFile);
10772 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10776 /* Tell program how game ended in case it is learning */
10777 /* [HGM] Moved this to after saving the PGN, just in case */
10778 /* engine died and we got here through time loss. In that */
10779 /* case we will get a fatal error writing the pipe, which */
10780 /* would otherwise lose us the PGN. */
10781 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10782 /* output during GameEnds should never be fatal anymore */
10783 if (gameMode == MachinePlaysWhite ||
10784 gameMode == MachinePlaysBlack ||
10785 gameMode == TwoMachinesPlay ||
10786 gameMode == IcsPlayingWhite ||
10787 gameMode == IcsPlayingBlack ||
10788 gameMode == BeginningOfGame) {
10790 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10792 if (first.pr != NoProc) {
10793 SendToProgram(buf, &first);
10795 if (second.pr != NoProc &&
10796 gameMode == TwoMachinesPlay) {
10797 SendToProgram(buf, &second);
10802 if (appData.icsActive) {
10803 if (appData.quietPlay &&
10804 (gameMode == IcsPlayingWhite ||
10805 gameMode == IcsPlayingBlack)) {
10806 SendToICS(ics_prefix);
10807 SendToICS("set shout 1\n");
10809 nextGameMode = IcsIdle;
10810 ics_user_moved = FALSE;
10811 /* clean up premove. It's ugly when the game has ended and the
10812 * premove highlights are still on the board.
10815 gotPremove = FALSE;
10816 ClearPremoveHighlights();
10817 DrawPosition(FALSE, boards[currentMove]);
10819 if (whosays == GE_ICS) {
10822 if (gameMode == IcsPlayingWhite)
10824 else if(gameMode == IcsPlayingBlack)
10825 PlayIcsLossSound();
10828 if (gameMode == IcsPlayingBlack)
10830 else if(gameMode == IcsPlayingWhite)
10831 PlayIcsLossSound();
10834 PlayIcsDrawSound();
10837 PlayIcsUnfinishedSound();
10840 } else if (gameMode == EditGame ||
10841 gameMode == PlayFromGameFile ||
10842 gameMode == AnalyzeMode ||
10843 gameMode == AnalyzeFile) {
10844 nextGameMode = gameMode;
10846 nextGameMode = EndOfGame;
10851 nextGameMode = gameMode;
10854 if (appData.noChessProgram) {
10855 gameMode = nextGameMode;
10857 endingGame = 0; /* [HGM] crash */
10862 /* Put first chess program into idle state */
10863 if (first.pr != NoProc &&
10864 (gameMode == MachinePlaysWhite ||
10865 gameMode == MachinePlaysBlack ||
10866 gameMode == TwoMachinesPlay ||
10867 gameMode == IcsPlayingWhite ||
10868 gameMode == IcsPlayingBlack ||
10869 gameMode == BeginningOfGame)) {
10870 SendToProgram("force\n", &first);
10871 if (first.usePing) {
10873 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10874 SendToProgram(buf, &first);
10877 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10878 /* Kill off first chess program */
10879 if (first.isr != NULL)
10880 RemoveInputSource(first.isr);
10883 if (first.pr != NoProc) {
10885 DoSleep( appData.delayBeforeQuit );
10886 SendToProgram("quit\n", &first);
10887 DoSleep( appData.delayAfterQuit );
10888 DestroyChildProcess(first.pr, first.useSigterm);
10889 first.reload = TRUE;
10893 if (second.reuse) {
10894 /* Put second chess program into idle state */
10895 if (second.pr != NoProc &&
10896 gameMode == TwoMachinesPlay) {
10897 SendToProgram("force\n", &second);
10898 if (second.usePing) {
10900 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10901 SendToProgram(buf, &second);
10904 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10905 /* Kill off second chess program */
10906 if (second.isr != NULL)
10907 RemoveInputSource(second.isr);
10910 if (second.pr != NoProc) {
10911 DoSleep( appData.delayBeforeQuit );
10912 SendToProgram("quit\n", &second);
10913 DoSleep( appData.delayAfterQuit );
10914 DestroyChildProcess(second.pr, second.useSigterm);
10915 second.reload = TRUE;
10917 second.pr = NoProc;
10920 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
10921 char resChar = '=';
10925 if (first.twoMachinesColor[0] == 'w') {
10928 second.matchWins++;
10933 if (first.twoMachinesColor[0] == 'b') {
10936 second.matchWins++;
10939 case GameUnfinished:
10945 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10946 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10947 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10948 ReserveGame(nextGame, resChar); // sets nextGame
10949 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10950 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10951 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10953 if (nextGame <= appData.matchGames && !abortMatch) {
10954 gameMode = nextGameMode;
10955 matchGame = nextGame; // this will be overruled in tourney mode!
10956 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10957 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10958 endingGame = 0; /* [HGM] crash */
10961 gameMode = nextGameMode;
10962 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10963 first.tidy, second.tidy,
10964 first.matchWins, second.matchWins,
10965 appData.matchGames - (first.matchWins + second.matchWins));
10966 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10967 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10968 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10969 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10970 first.twoMachinesColor = "black\n";
10971 second.twoMachinesColor = "white\n";
10973 first.twoMachinesColor = "white\n";
10974 second.twoMachinesColor = "black\n";
10978 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10979 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10981 gameMode = nextGameMode;
10983 endingGame = 0; /* [HGM] crash */
10984 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10985 if(matchMode == TRUE) { // match through command line: exit with or without popup
10987 ToNrEvent(forwardMostMove);
10988 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10990 } else DisplayFatalError(buf, 0, 0);
10991 } else { // match through menu; just stop, with or without popup
10992 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10995 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10996 } else DisplayNote(buf);
10998 if(ranking) free(ranking);
11002 /* Assumes program was just initialized (initString sent).
11003 Leaves program in force mode. */
11005 FeedMovesToProgram (ChessProgramState *cps, int upto)
11009 if (appData.debugMode)
11010 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11011 startedFromSetupPosition ? "position and " : "",
11012 backwardMostMove, upto, cps->which);
11013 if(currentlyInitializedVariant != gameInfo.variant) {
11015 // [HGM] variantswitch: make engine aware of new variant
11016 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11017 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11018 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11019 SendToProgram(buf, cps);
11020 currentlyInitializedVariant = gameInfo.variant;
11022 SendToProgram("force\n", cps);
11023 if (startedFromSetupPosition) {
11024 SendBoard(cps, backwardMostMove);
11025 if (appData.debugMode) {
11026 fprintf(debugFP, "feedMoves\n");
11029 for (i = backwardMostMove; i < upto; i++) {
11030 SendMoveToProgram(i, cps);
11036 ResurrectChessProgram ()
11038 /* The chess program may have exited.
11039 If so, restart it and feed it all the moves made so far. */
11040 static int doInit = 0;
11042 if (appData.noChessProgram) return 1;
11044 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11045 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11046 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11047 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11049 if (first.pr != NoProc) return 1;
11050 StartChessProgram(&first);
11052 InitChessProgram(&first, FALSE);
11053 FeedMovesToProgram(&first, currentMove);
11055 if (!first.sendTime) {
11056 /* can't tell gnuchess what its clock should read,
11057 so we bow to its notion. */
11059 timeRemaining[0][currentMove] = whiteTimeRemaining;
11060 timeRemaining[1][currentMove] = blackTimeRemaining;
11063 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11064 appData.icsEngineAnalyze) && first.analysisSupport) {
11065 SendToProgram("analyze\n", &first);
11066 first.analyzing = TRUE;
11072 * Button procedures
11075 Reset (int redraw, int init)
11079 if (appData.debugMode) {
11080 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11081 redraw, init, gameMode);
11083 CleanupTail(); // [HGM] vari: delete any stored variations
11084 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11085 pausing = pauseExamInvalid = FALSE;
11086 startedFromSetupPosition = blackPlaysFirst = FALSE;
11088 whiteFlag = blackFlag = FALSE;
11089 userOfferedDraw = FALSE;
11090 hintRequested = bookRequested = FALSE;
11091 first.maybeThinking = FALSE;
11092 second.maybeThinking = FALSE;
11093 first.bookSuspend = FALSE; // [HGM] book
11094 second.bookSuspend = FALSE;
11095 thinkOutput[0] = NULLCHAR;
11096 lastHint[0] = NULLCHAR;
11097 ClearGameInfo(&gameInfo);
11098 gameInfo.variant = StringToVariant(appData.variant);
11099 ics_user_moved = ics_clock_paused = FALSE;
11100 ics_getting_history = H_FALSE;
11102 white_holding[0] = black_holding[0] = NULLCHAR;
11103 ClearProgramStats();
11104 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11108 flipView = appData.flipView;
11109 ClearPremoveHighlights();
11110 gotPremove = FALSE;
11111 alarmSounded = FALSE;
11113 GameEnds(EndOfFile, NULL, GE_PLAYER);
11114 if(appData.serverMovesName != NULL) {
11115 /* [HGM] prepare to make moves file for broadcasting */
11116 clock_t t = clock();
11117 if(serverMoves != NULL) fclose(serverMoves);
11118 serverMoves = fopen(appData.serverMovesName, "r");
11119 if(serverMoves != NULL) {
11120 fclose(serverMoves);
11121 /* delay 15 sec before overwriting, so all clients can see end */
11122 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11124 serverMoves = fopen(appData.serverMovesName, "w");
11128 gameMode = BeginningOfGame;
11130 if(appData.icsActive) gameInfo.variant = VariantNormal;
11131 currentMove = forwardMostMove = backwardMostMove = 0;
11132 MarkTargetSquares(1);
11133 InitPosition(redraw);
11134 for (i = 0; i < MAX_MOVES; i++) {
11135 if (commentList[i] != NULL) {
11136 free(commentList[i]);
11137 commentList[i] = NULL;
11141 timeRemaining[0][0] = whiteTimeRemaining;
11142 timeRemaining[1][0] = blackTimeRemaining;
11144 if (first.pr == NoProc) {
11145 StartChessProgram(&first);
11148 InitChessProgram(&first, startedFromSetupPosition);
11151 DisplayMessage("", "");
11152 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11153 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11154 ClearMap(); // [HGM] exclude: invalidate map
11158 AutoPlayGameLoop ()
11161 if (!AutoPlayOneMove())
11163 if (matchMode || appData.timeDelay == 0)
11165 if (appData.timeDelay < 0)
11167 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11175 ReloadGame(1); // next game
11181 int fromX, fromY, toX, toY;
11183 if (appData.debugMode) {
11184 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11187 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11190 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11191 pvInfoList[currentMove].depth = programStats.depth;
11192 pvInfoList[currentMove].score = programStats.score;
11193 pvInfoList[currentMove].time = 0;
11194 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11195 else { // append analysis of final position as comment
11197 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11198 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11200 programStats.depth = 0;
11203 if (currentMove >= forwardMostMove) {
11204 if(gameMode == AnalyzeFile) {
11205 if(appData.loadGameIndex == -1) {
11206 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11207 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11209 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11212 // gameMode = EndOfGame;
11213 // ModeHighlight();
11215 /* [AS] Clear current move marker at the end of a game */
11216 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11221 toX = moveList[currentMove][2] - AAA;
11222 toY = moveList[currentMove][3] - ONE;
11224 if (moveList[currentMove][1] == '@') {
11225 if (appData.highlightLastMove) {
11226 SetHighlights(-1, -1, toX, toY);
11229 fromX = moveList[currentMove][0] - AAA;
11230 fromY = moveList[currentMove][1] - ONE;
11232 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11234 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11236 if (appData.highlightLastMove) {
11237 SetHighlights(fromX, fromY, toX, toY);
11240 DisplayMove(currentMove);
11241 SendMoveToProgram(currentMove++, &first);
11242 DisplayBothClocks();
11243 DrawPosition(FALSE, boards[currentMove]);
11244 // [HGM] PV info: always display, routine tests if empty
11245 DisplayComment(currentMove - 1, commentList[currentMove]);
11251 LoadGameOneMove (ChessMove readAhead)
11253 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11254 char promoChar = NULLCHAR;
11255 ChessMove moveType;
11256 char move[MSG_SIZ];
11259 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11260 gameMode != AnalyzeMode && gameMode != Training) {
11265 yyboardindex = forwardMostMove;
11266 if (readAhead != EndOfFile) {
11267 moveType = readAhead;
11269 if (gameFileFP == NULL)
11271 moveType = (ChessMove) Myylex();
11275 switch (moveType) {
11277 if (appData.debugMode)
11278 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11281 /* append the comment but don't display it */
11282 AppendComment(currentMove, p, FALSE);
11285 case WhiteCapturesEnPassant:
11286 case BlackCapturesEnPassant:
11287 case WhitePromotion:
11288 case BlackPromotion:
11289 case WhiteNonPromotion:
11290 case BlackNonPromotion:
11292 case WhiteKingSideCastle:
11293 case WhiteQueenSideCastle:
11294 case BlackKingSideCastle:
11295 case BlackQueenSideCastle:
11296 case WhiteKingSideCastleWild:
11297 case WhiteQueenSideCastleWild:
11298 case BlackKingSideCastleWild:
11299 case BlackQueenSideCastleWild:
11301 case WhiteHSideCastleFR:
11302 case WhiteASideCastleFR:
11303 case BlackHSideCastleFR:
11304 case BlackASideCastleFR:
11306 if (appData.debugMode)
11307 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11308 fromX = currentMoveString[0] - AAA;
11309 fromY = currentMoveString[1] - ONE;
11310 toX = currentMoveString[2] - AAA;
11311 toY = currentMoveString[3] - ONE;
11312 promoChar = currentMoveString[4];
11317 if (appData.debugMode)
11318 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11319 fromX = moveType == WhiteDrop ?
11320 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11321 (int) CharToPiece(ToLower(currentMoveString[0]));
11323 toX = currentMoveString[2] - AAA;
11324 toY = currentMoveString[3] - ONE;
11330 case GameUnfinished:
11331 if (appData.debugMode)
11332 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11333 p = strchr(yy_text, '{');
11334 if (p == NULL) p = strchr(yy_text, '(');
11337 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11339 q = strchr(p, *p == '{' ? '}' : ')');
11340 if (q != NULL) *q = NULLCHAR;
11343 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11344 GameEnds(moveType, p, GE_FILE);
11346 if (cmailMsgLoaded) {
11348 flipView = WhiteOnMove(currentMove);
11349 if (moveType == GameUnfinished) flipView = !flipView;
11350 if (appData.debugMode)
11351 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11356 if (appData.debugMode)
11357 fprintf(debugFP, "Parser hit end of file\n");
11358 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11364 if (WhiteOnMove(currentMove)) {
11365 GameEnds(BlackWins, "Black mates", GE_FILE);
11367 GameEnds(WhiteWins, "White mates", GE_FILE);
11371 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11377 case MoveNumberOne:
11378 if (lastLoadGameStart == GNUChessGame) {
11379 /* GNUChessGames have numbers, but they aren't move numbers */
11380 if (appData.debugMode)
11381 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11382 yy_text, (int) moveType);
11383 return LoadGameOneMove(EndOfFile); /* tail recursion */
11385 /* else fall thru */
11390 /* Reached start of next game in file */
11391 if (appData.debugMode)
11392 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11393 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11399 if (WhiteOnMove(currentMove)) {
11400 GameEnds(BlackWins, "Black mates", GE_FILE);
11402 GameEnds(WhiteWins, "White mates", GE_FILE);
11406 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11412 case PositionDiagram: /* should not happen; ignore */
11413 case ElapsedTime: /* ignore */
11414 case NAG: /* ignore */
11415 if (appData.debugMode)
11416 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11417 yy_text, (int) moveType);
11418 return LoadGameOneMove(EndOfFile); /* tail recursion */
11421 if (appData.testLegality) {
11422 if (appData.debugMode)
11423 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11424 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11425 (forwardMostMove / 2) + 1,
11426 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11427 DisplayError(move, 0);
11430 if (appData.debugMode)
11431 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11432 yy_text, currentMoveString);
11433 fromX = currentMoveString[0] - AAA;
11434 fromY = currentMoveString[1] - ONE;
11435 toX = currentMoveString[2] - AAA;
11436 toY = currentMoveString[3] - ONE;
11437 promoChar = currentMoveString[4];
11441 case AmbiguousMove:
11442 if (appData.debugMode)
11443 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11444 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11445 (forwardMostMove / 2) + 1,
11446 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11447 DisplayError(move, 0);
11452 case ImpossibleMove:
11453 if (appData.debugMode)
11454 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11455 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11456 (forwardMostMove / 2) + 1,
11457 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11458 DisplayError(move, 0);
11464 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11465 DrawPosition(FALSE, boards[currentMove]);
11466 DisplayBothClocks();
11467 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11468 DisplayComment(currentMove - 1, commentList[currentMove]);
11470 (void) StopLoadGameTimer();
11472 cmailOldMove = forwardMostMove;
11475 /* currentMoveString is set as a side-effect of yylex */
11477 thinkOutput[0] = NULLCHAR;
11478 MakeMove(fromX, fromY, toX, toY, promoChar);
11479 currentMove = forwardMostMove;
11484 /* Load the nth game from the given file */
11486 LoadGameFromFile (char *filename, int n, char *title, int useList)
11491 if (strcmp(filename, "-") == 0) {
11495 f = fopen(filename, "rb");
11497 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11498 DisplayError(buf, errno);
11502 if (fseek(f, 0, 0) == -1) {
11503 /* f is not seekable; probably a pipe */
11506 if (useList && n == 0) {
11507 int error = GameListBuild(f);
11509 DisplayError(_("Cannot build game list"), error);
11510 } else if (!ListEmpty(&gameList) &&
11511 ((ListGame *) gameList.tailPred)->number > 1) {
11512 GameListPopUp(f, title);
11519 return LoadGame(f, n, title, FALSE);
11524 MakeRegisteredMove ()
11526 int fromX, fromY, toX, toY;
11528 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11529 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11532 if (appData.debugMode)
11533 fprintf(debugFP, "Restoring %s for game %d\n",
11534 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11536 thinkOutput[0] = NULLCHAR;
11537 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11538 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11539 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11540 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11541 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11542 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11543 MakeMove(fromX, fromY, toX, toY, promoChar);
11544 ShowMove(fromX, fromY, toX, toY);
11546 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11553 if (WhiteOnMove(currentMove)) {
11554 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11556 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11561 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11568 if (WhiteOnMove(currentMove)) {
11569 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11571 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11576 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11587 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11589 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11593 if (gameNumber > nCmailGames) {
11594 DisplayError(_("No more games in this message"), 0);
11597 if (f == lastLoadGameFP) {
11598 int offset = gameNumber - lastLoadGameNumber;
11600 cmailMsg[0] = NULLCHAR;
11601 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11602 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11603 nCmailMovesRegistered--;
11605 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11606 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11607 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11610 if (! RegisterMove()) return FALSE;
11614 retVal = LoadGame(f, gameNumber, title, useList);
11616 /* Make move registered during previous look at this game, if any */
11617 MakeRegisteredMove();
11619 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11620 commentList[currentMove]
11621 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11622 DisplayComment(currentMove - 1, commentList[currentMove]);
11628 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11630 ReloadGame (int offset)
11632 int gameNumber = lastLoadGameNumber + offset;
11633 if (lastLoadGameFP == NULL) {
11634 DisplayError(_("No game has been loaded yet"), 0);
11637 if (gameNumber <= 0) {
11638 DisplayError(_("Can't back up any further"), 0);
11641 if (cmailMsgLoaded) {
11642 return CmailLoadGame(lastLoadGameFP, gameNumber,
11643 lastLoadGameTitle, lastLoadGameUseList);
11645 return LoadGame(lastLoadGameFP, gameNumber,
11646 lastLoadGameTitle, lastLoadGameUseList);
11650 int keys[EmptySquare+1];
11653 PositionMatches (Board b1, Board b2)
11656 switch(appData.searchMode) {
11657 case 1: return CompareWithRights(b1, b2);
11659 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11660 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11664 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11665 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11666 sum += keys[b1[r][f]] - keys[b2[r][f]];
11670 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11671 sum += keys[b1[r][f]] - keys[b2[r][f]];
11683 int pieceList[256], quickBoard[256];
11684 ChessSquare pieceType[256] = { EmptySquare };
11685 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11686 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11687 int soughtTotal, turn;
11688 Boolean epOK, flipSearch;
11691 unsigned char piece, to;
11694 #define DSIZE (250000)
11696 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11697 Move *moveDatabase = initialSpace;
11698 unsigned int movePtr, dataSize = DSIZE;
11701 MakePieceList (Board board, int *counts)
11703 int r, f, n=Q_PROMO, total=0;
11704 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11705 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11706 int sq = f + (r<<4);
11707 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11708 quickBoard[sq] = ++n;
11710 pieceType[n] = board[r][f];
11711 counts[board[r][f]]++;
11712 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11713 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11717 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11722 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11724 int sq = fromX + (fromY<<4);
11725 int piece = quickBoard[sq], rook;
11726 quickBoard[sq] = 0;
11727 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11728 if(piece == pieceList[1] && fromY == toY) {
11729 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11730 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11731 moveDatabase[movePtr++].piece = Q_WCASTL;
11732 quickBoard[sq] = piece;
11733 piece = quickBoard[from]; quickBoard[from] = 0;
11734 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11735 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
11736 quickBoard[sq] = 0; // remove Rook
11737 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
11738 moveDatabase[movePtr++].piece = Q_WCASTL;
11739 quickBoard[sq] = pieceList[1]; // put King
11741 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
11744 if(piece == pieceList[2] && fromY == toY) {
11745 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11746 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11747 moveDatabase[movePtr++].piece = Q_BCASTL;
11748 quickBoard[sq] = piece;
11749 piece = quickBoard[from]; quickBoard[from] = 0;
11750 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11751 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
11752 quickBoard[sq] = 0; // remove Rook
11753 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
11754 moveDatabase[movePtr++].piece = Q_BCASTL;
11755 quickBoard[sq] = pieceList[2]; // put King
11757 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
11760 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11761 quickBoard[(fromY<<4)+toX] = 0;
11762 moveDatabase[movePtr].piece = Q_EP;
11763 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11764 moveDatabase[movePtr].to = sq;
11766 if(promoPiece != pieceType[piece]) {
11767 moveDatabase[movePtr++].piece = Q_PROMO;
11768 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11770 moveDatabase[movePtr].piece = piece;
11771 quickBoard[sq] = piece;
11776 PackGame (Board board)
11778 Move *newSpace = NULL;
11779 moveDatabase[movePtr].piece = 0; // terminate previous game
11780 if(movePtr > dataSize) {
11781 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11782 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11783 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11786 Move *p = moveDatabase, *q = newSpace;
11787 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11788 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11789 moveDatabase = newSpace;
11790 } else { // calloc failed, we must be out of memory. Too bad...
11791 dataSize = 0; // prevent calloc events for all subsequent games
11792 return 0; // and signal this one isn't cached
11796 MakePieceList(board, counts);
11801 QuickCompare (Board board, int *minCounts, int *maxCounts)
11802 { // compare according to search mode
11804 switch(appData.searchMode)
11806 case 1: // exact position match
11807 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11808 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11809 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11812 case 2: // can have extra material on empty squares
11813 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11814 if(board[r][f] == EmptySquare) continue;
11815 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11818 case 3: // material with exact Pawn structure
11819 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11820 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11821 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11822 } // fall through to material comparison
11823 case 4: // exact material
11824 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11826 case 6: // material range with given imbalance
11827 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11828 // fall through to range comparison
11829 case 5: // material range
11830 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11836 QuickScan (Board board, Move *move)
11837 { // reconstruct game,and compare all positions in it
11838 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11840 int piece = move->piece;
11841 int to = move->to, from = pieceList[piece];
11842 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11843 if(!piece) return -1;
11844 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11845 piece = (++move)->piece;
11846 from = pieceList[piece];
11847 counts[pieceType[piece]]--;
11848 pieceType[piece] = (ChessSquare) move->to;
11849 counts[move->to]++;
11850 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11851 counts[pieceType[quickBoard[to]]]--;
11852 quickBoard[to] = 0; total--;
11855 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11856 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11857 from = pieceList[piece]; // so this must be King
11858 quickBoard[from] = 0;
11859 pieceList[piece] = to;
11860 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11861 quickBoard[from] = 0; // rook
11862 quickBoard[to] = piece;
11863 to = move->to; piece = move->piece;
11867 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11868 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11869 quickBoard[from] = 0;
11871 quickBoard[to] = piece;
11872 pieceList[piece] = to;
11874 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11875 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11876 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11877 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11879 static int lastCounts[EmptySquare+1];
11881 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11882 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11883 } else stretch = 0;
11884 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11893 flipSearch = FALSE;
11894 CopyBoard(soughtBoard, boards[currentMove]);
11895 soughtTotal = MakePieceList(soughtBoard, maxSought);
11896 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11897 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11898 CopyBoard(reverseBoard, boards[currentMove]);
11899 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11900 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11901 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11902 reverseBoard[r][f] = piece;
11904 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11905 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11906 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11907 || (boards[currentMove][CASTLING][2] == NoRights ||
11908 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11909 && (boards[currentMove][CASTLING][5] == NoRights ||
11910 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11913 CopyBoard(flipBoard, soughtBoard);
11914 CopyBoard(rotateBoard, reverseBoard);
11915 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11916 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11917 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11920 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11921 if(appData.searchMode >= 5) {
11922 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11923 MakePieceList(soughtBoard, minSought);
11924 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11926 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11927 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11930 GameInfo dummyInfo;
11931 static int creatingBook;
11934 GameContainsPosition (FILE *f, ListGame *lg)
11936 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11937 int fromX, fromY, toX, toY;
11939 static int initDone=FALSE;
11941 // weed out games based on numerical tag comparison
11942 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11943 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11944 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11945 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11947 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11950 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11951 else CopyBoard(boards[scratch], initialPosition); // default start position
11954 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11955 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11958 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11959 fseek(f, lg->offset, 0);
11962 yyboardindex = scratch;
11963 quickFlag = plyNr+1;
11968 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11974 if(plyNr) return -1; // after we have seen moves, this is for new game
11977 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11978 case ImpossibleMove:
11979 case WhiteWins: // game ends here with these four
11982 case GameUnfinished:
11986 if(appData.testLegality) return -1;
11987 case WhiteCapturesEnPassant:
11988 case BlackCapturesEnPassant:
11989 case WhitePromotion:
11990 case BlackPromotion:
11991 case WhiteNonPromotion:
11992 case BlackNonPromotion:
11994 case WhiteKingSideCastle:
11995 case WhiteQueenSideCastle:
11996 case BlackKingSideCastle:
11997 case BlackQueenSideCastle:
11998 case WhiteKingSideCastleWild:
11999 case WhiteQueenSideCastleWild:
12000 case BlackKingSideCastleWild:
12001 case BlackQueenSideCastleWild:
12002 case WhiteHSideCastleFR:
12003 case WhiteASideCastleFR:
12004 case BlackHSideCastleFR:
12005 case BlackASideCastleFR:
12006 fromX = currentMoveString[0] - AAA;
12007 fromY = currentMoveString[1] - ONE;
12008 toX = currentMoveString[2] - AAA;
12009 toY = currentMoveString[3] - ONE;
12010 promoChar = currentMoveString[4];
12014 fromX = next == WhiteDrop ?
12015 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12016 (int) CharToPiece(ToLower(currentMoveString[0]));
12018 toX = currentMoveString[2] - AAA;
12019 toY = currentMoveString[3] - ONE;
12023 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12025 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12026 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12027 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12028 if(appData.findMirror) {
12029 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12030 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12035 /* Load the nth game from open file f */
12037 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12041 int gn = gameNumber;
12042 ListGame *lg = NULL;
12043 int numPGNTags = 0;
12045 GameMode oldGameMode;
12046 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12048 if (appData.debugMode)
12049 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12051 if (gameMode == Training )
12052 SetTrainingModeOff();
12054 oldGameMode = gameMode;
12055 if (gameMode != BeginningOfGame) {
12056 Reset(FALSE, TRUE);
12060 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12061 fclose(lastLoadGameFP);
12065 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12068 fseek(f, lg->offset, 0);
12069 GameListHighlight(gameNumber);
12070 pos = lg->position;
12074 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12075 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12077 DisplayError(_("Game number out of range"), 0);
12082 if (fseek(f, 0, 0) == -1) {
12083 if (f == lastLoadGameFP ?
12084 gameNumber == lastLoadGameNumber + 1 :
12088 DisplayError(_("Can't seek on game file"), 0);
12093 lastLoadGameFP = f;
12094 lastLoadGameNumber = gameNumber;
12095 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12096 lastLoadGameUseList = useList;
12100 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12101 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12102 lg->gameInfo.black);
12104 } else if (*title != NULLCHAR) {
12105 if (gameNumber > 1) {
12106 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12109 DisplayTitle(title);
12113 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12114 gameMode = PlayFromGameFile;
12118 currentMove = forwardMostMove = backwardMostMove = 0;
12119 CopyBoard(boards[0], initialPosition);
12123 * Skip the first gn-1 games in the file.
12124 * Also skip over anything that precedes an identifiable
12125 * start of game marker, to avoid being confused by
12126 * garbage at the start of the file. Currently
12127 * recognized start of game markers are the move number "1",
12128 * the pattern "gnuchess .* game", the pattern
12129 * "^[#;%] [^ ]* game file", and a PGN tag block.
12130 * A game that starts with one of the latter two patterns
12131 * will also have a move number 1, possibly
12132 * following a position diagram.
12133 * 5-4-02: Let's try being more lenient and allowing a game to
12134 * start with an unnumbered move. Does that break anything?
12136 cm = lastLoadGameStart = EndOfFile;
12138 yyboardindex = forwardMostMove;
12139 cm = (ChessMove) Myylex();
12142 if (cmailMsgLoaded) {
12143 nCmailGames = CMAIL_MAX_GAMES - gn;
12146 DisplayError(_("Game not found in file"), 0);
12153 lastLoadGameStart = cm;
12156 case MoveNumberOne:
12157 switch (lastLoadGameStart) {
12162 case MoveNumberOne:
12164 gn--; /* count this game */
12165 lastLoadGameStart = cm;
12174 switch (lastLoadGameStart) {
12177 case MoveNumberOne:
12179 gn--; /* count this game */
12180 lastLoadGameStart = cm;
12183 lastLoadGameStart = cm; /* game counted already */
12191 yyboardindex = forwardMostMove;
12192 cm = (ChessMove) Myylex();
12193 } while (cm == PGNTag || cm == Comment);
12200 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12201 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12202 != CMAIL_OLD_RESULT) {
12204 cmailResult[ CMAIL_MAX_GAMES
12205 - gn - 1] = CMAIL_OLD_RESULT;
12211 /* Only a NormalMove can be at the start of a game
12212 * without a position diagram. */
12213 if (lastLoadGameStart == EndOfFile ) {
12215 lastLoadGameStart = MoveNumberOne;
12224 if (appData.debugMode)
12225 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12227 if (cm == XBoardGame) {
12228 /* Skip any header junk before position diagram and/or move 1 */
12230 yyboardindex = forwardMostMove;
12231 cm = (ChessMove) Myylex();
12233 if (cm == EndOfFile ||
12234 cm == GNUChessGame || cm == XBoardGame) {
12235 /* Empty game; pretend end-of-file and handle later */
12240 if (cm == MoveNumberOne || cm == PositionDiagram ||
12241 cm == PGNTag || cm == Comment)
12244 } else if (cm == GNUChessGame) {
12245 if (gameInfo.event != NULL) {
12246 free(gameInfo.event);
12248 gameInfo.event = StrSave(yy_text);
12251 startedFromSetupPosition = FALSE;
12252 while (cm == PGNTag) {
12253 if (appData.debugMode)
12254 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12255 err = ParsePGNTag(yy_text, &gameInfo);
12256 if (!err) numPGNTags++;
12258 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12259 if(gameInfo.variant != oldVariant) {
12260 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12261 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12262 InitPosition(TRUE);
12263 oldVariant = gameInfo.variant;
12264 if (appData.debugMode)
12265 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12269 if (gameInfo.fen != NULL) {
12270 Board initial_position;
12271 startedFromSetupPosition = TRUE;
12272 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12274 DisplayError(_("Bad FEN position in file"), 0);
12277 CopyBoard(boards[0], initial_position);
12278 if (blackPlaysFirst) {
12279 currentMove = forwardMostMove = backwardMostMove = 1;
12280 CopyBoard(boards[1], initial_position);
12281 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12282 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12283 timeRemaining[0][1] = whiteTimeRemaining;
12284 timeRemaining[1][1] = blackTimeRemaining;
12285 if (commentList[0] != NULL) {
12286 commentList[1] = commentList[0];
12287 commentList[0] = NULL;
12290 currentMove = forwardMostMove = backwardMostMove = 0;
12292 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12294 initialRulePlies = FENrulePlies;
12295 for( i=0; i< nrCastlingRights; i++ )
12296 initialRights[i] = initial_position[CASTLING][i];
12298 yyboardindex = forwardMostMove;
12299 free(gameInfo.fen);
12300 gameInfo.fen = NULL;
12303 yyboardindex = forwardMostMove;
12304 cm = (ChessMove) Myylex();
12306 /* Handle comments interspersed among the tags */
12307 while (cm == Comment) {
12309 if (appData.debugMode)
12310 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12312 AppendComment(currentMove, p, FALSE);
12313 yyboardindex = forwardMostMove;
12314 cm = (ChessMove) Myylex();
12318 /* don't rely on existence of Event tag since if game was
12319 * pasted from clipboard the Event tag may not exist
12321 if (numPGNTags > 0){
12323 if (gameInfo.variant == VariantNormal) {
12324 VariantClass v = StringToVariant(gameInfo.event);
12325 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12326 if(v < VariantShogi) gameInfo.variant = v;
12329 if( appData.autoDisplayTags ) {
12330 tags = PGNTags(&gameInfo);
12331 TagsPopUp(tags, CmailMsg());
12336 /* Make something up, but don't display it now */
12341 if (cm == PositionDiagram) {
12344 Board initial_position;
12346 if (appData.debugMode)
12347 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12349 if (!startedFromSetupPosition) {
12351 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12352 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12363 initial_position[i][j++] = CharToPiece(*p);
12366 while (*p == ' ' || *p == '\t' ||
12367 *p == '\n' || *p == '\r') p++;
12369 if (strncmp(p, "black", strlen("black"))==0)
12370 blackPlaysFirst = TRUE;
12372 blackPlaysFirst = FALSE;
12373 startedFromSetupPosition = TRUE;
12375 CopyBoard(boards[0], initial_position);
12376 if (blackPlaysFirst) {
12377 currentMove = forwardMostMove = backwardMostMove = 1;
12378 CopyBoard(boards[1], initial_position);
12379 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12380 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12381 timeRemaining[0][1] = whiteTimeRemaining;
12382 timeRemaining[1][1] = blackTimeRemaining;
12383 if (commentList[0] != NULL) {
12384 commentList[1] = commentList[0];
12385 commentList[0] = NULL;
12388 currentMove = forwardMostMove = backwardMostMove = 0;
12391 yyboardindex = forwardMostMove;
12392 cm = (ChessMove) Myylex();
12395 if(!creatingBook) {
12396 if (first.pr == NoProc) {
12397 StartChessProgram(&first);
12399 InitChessProgram(&first, FALSE);
12400 SendToProgram("force\n", &first);
12401 if (startedFromSetupPosition) {
12402 SendBoard(&first, forwardMostMove);
12403 if (appData.debugMode) {
12404 fprintf(debugFP, "Load Game\n");
12406 DisplayBothClocks();
12410 /* [HGM] server: flag to write setup moves in broadcast file as one */
12411 loadFlag = appData.suppressLoadMoves;
12413 while (cm == Comment) {
12415 if (appData.debugMode)
12416 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12418 AppendComment(currentMove, p, FALSE);
12419 yyboardindex = forwardMostMove;
12420 cm = (ChessMove) Myylex();
12423 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12424 cm == WhiteWins || cm == BlackWins ||
12425 cm == GameIsDrawn || cm == GameUnfinished) {
12426 DisplayMessage("", _("No moves in game"));
12427 if (cmailMsgLoaded) {
12428 if (appData.debugMode)
12429 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12433 DrawPosition(FALSE, boards[currentMove]);
12434 DisplayBothClocks();
12435 gameMode = EditGame;
12442 // [HGM] PV info: routine tests if comment empty
12443 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12444 DisplayComment(currentMove - 1, commentList[currentMove]);
12446 if (!matchMode && appData.timeDelay != 0)
12447 DrawPosition(FALSE, boards[currentMove]);
12449 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12450 programStats.ok_to_send = 1;
12453 /* if the first token after the PGN tags is a move
12454 * and not move number 1, retrieve it from the parser
12456 if (cm != MoveNumberOne)
12457 LoadGameOneMove(cm);
12459 /* load the remaining moves from the file */
12460 while (LoadGameOneMove(EndOfFile)) {
12461 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12462 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12465 /* rewind to the start of the game */
12466 currentMove = backwardMostMove;
12468 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12470 if (oldGameMode == AnalyzeFile) {
12471 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12472 AnalyzeFileEvent();
12474 if (oldGameMode == AnalyzeMode) {
12475 AnalyzeFileEvent();
12478 if(creatingBook) return TRUE;
12479 if (!matchMode && pos > 0) {
12480 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12482 if (matchMode || appData.timeDelay == 0) {
12484 } else if (appData.timeDelay > 0) {
12485 AutoPlayGameLoop();
12488 if (appData.debugMode)
12489 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12491 loadFlag = 0; /* [HGM] true game starts */
12495 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12497 ReloadPosition (int offset)
12499 int positionNumber = lastLoadPositionNumber + offset;
12500 if (lastLoadPositionFP == NULL) {
12501 DisplayError(_("No position has been loaded yet"), 0);
12504 if (positionNumber <= 0) {
12505 DisplayError(_("Can't back up any further"), 0);
12508 return LoadPosition(lastLoadPositionFP, positionNumber,
12509 lastLoadPositionTitle);
12512 /* Load the nth position from the given file */
12514 LoadPositionFromFile (char *filename, int n, char *title)
12519 if (strcmp(filename, "-") == 0) {
12520 return LoadPosition(stdin, n, "stdin");
12522 f = fopen(filename, "rb");
12524 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12525 DisplayError(buf, errno);
12528 return LoadPosition(f, n, title);
12533 /* Load the nth position from the given open file, and close it */
12535 LoadPosition (FILE *f, int positionNumber, char *title)
12537 char *p, line[MSG_SIZ];
12538 Board initial_position;
12539 int i, j, fenMode, pn;
12541 if (gameMode == Training )
12542 SetTrainingModeOff();
12544 if (gameMode != BeginningOfGame) {
12545 Reset(FALSE, TRUE);
12547 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12548 fclose(lastLoadPositionFP);
12550 if (positionNumber == 0) positionNumber = 1;
12551 lastLoadPositionFP = f;
12552 lastLoadPositionNumber = positionNumber;
12553 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12554 if (first.pr == NoProc && !appData.noChessProgram) {
12555 StartChessProgram(&first);
12556 InitChessProgram(&first, FALSE);
12558 pn = positionNumber;
12559 if (positionNumber < 0) {
12560 /* Negative position number means to seek to that byte offset */
12561 if (fseek(f, -positionNumber, 0) == -1) {
12562 DisplayError(_("Can't seek on position file"), 0);
12567 if (fseek(f, 0, 0) == -1) {
12568 if (f == lastLoadPositionFP ?
12569 positionNumber == lastLoadPositionNumber + 1 :
12570 positionNumber == 1) {
12573 DisplayError(_("Can't seek on position file"), 0);
12578 /* See if this file is FEN or old-style xboard */
12579 if (fgets(line, MSG_SIZ, f) == NULL) {
12580 DisplayError(_("Position not found in file"), 0);
12583 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12584 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12587 if (fenMode || line[0] == '#') pn--;
12589 /* skip positions before number pn */
12590 if (fgets(line, MSG_SIZ, f) == NULL) {
12592 DisplayError(_("Position not found in file"), 0);
12595 if (fenMode || line[0] == '#') pn--;
12600 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12601 DisplayError(_("Bad FEN position in file"), 0);
12605 (void) fgets(line, MSG_SIZ, f);
12606 (void) fgets(line, MSG_SIZ, f);
12608 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12609 (void) fgets(line, MSG_SIZ, f);
12610 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12613 initial_position[i][j++] = CharToPiece(*p);
12617 blackPlaysFirst = FALSE;
12619 (void) fgets(line, MSG_SIZ, f);
12620 if (strncmp(line, "black", strlen("black"))==0)
12621 blackPlaysFirst = TRUE;
12624 startedFromSetupPosition = TRUE;
12626 CopyBoard(boards[0], initial_position);
12627 if (blackPlaysFirst) {
12628 currentMove = forwardMostMove = backwardMostMove = 1;
12629 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12630 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12631 CopyBoard(boards[1], initial_position);
12632 DisplayMessage("", _("Black to play"));
12634 currentMove = forwardMostMove = backwardMostMove = 0;
12635 DisplayMessage("", _("White to play"));
12637 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12638 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12639 SendToProgram("force\n", &first);
12640 SendBoard(&first, forwardMostMove);
12642 if (appData.debugMode) {
12644 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12645 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12646 fprintf(debugFP, "Load Position\n");
12649 if (positionNumber > 1) {
12650 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12651 DisplayTitle(line);
12653 DisplayTitle(title);
12655 gameMode = EditGame;
12658 timeRemaining[0][1] = whiteTimeRemaining;
12659 timeRemaining[1][1] = blackTimeRemaining;
12660 DrawPosition(FALSE, boards[currentMove]);
12667 CopyPlayerNameIntoFileName (char **dest, char *src)
12669 while (*src != NULLCHAR && *src != ',') {
12674 *(*dest)++ = *src++;
12680 DefaultFileName (char *ext)
12682 static char def[MSG_SIZ];
12685 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12687 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12689 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12691 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12698 /* Save the current game to the given file */
12700 SaveGameToFile (char *filename, int append)
12704 int result, i, t,tot=0;
12706 if (strcmp(filename, "-") == 0) {
12707 return SaveGame(stdout, 0, NULL);
12709 for(i=0; i<10; i++) { // upto 10 tries
12710 f = fopen(filename, append ? "a" : "w");
12711 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12712 if(f || errno != 13) break;
12713 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12717 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12718 DisplayError(buf, errno);
12721 safeStrCpy(buf, lastMsg, MSG_SIZ);
12722 DisplayMessage(_("Waiting for access to save file"), "");
12723 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12724 DisplayMessage(_("Saving game"), "");
12725 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12726 result = SaveGame(f, 0, NULL);
12727 DisplayMessage(buf, "");
12734 SavePart (char *str)
12736 static char buf[MSG_SIZ];
12739 p = strchr(str, ' ');
12740 if (p == NULL) return str;
12741 strncpy(buf, str, p - str);
12742 buf[p - str] = NULLCHAR;
12746 #define PGN_MAX_LINE 75
12748 #define PGN_SIDE_WHITE 0
12749 #define PGN_SIDE_BLACK 1
12752 FindFirstMoveOutOfBook (int side)
12756 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12757 int index = backwardMostMove;
12758 int has_book_hit = 0;
12760 if( (index % 2) != side ) {
12764 while( index < forwardMostMove ) {
12765 /* Check to see if engine is in book */
12766 int depth = pvInfoList[index].depth;
12767 int score = pvInfoList[index].score;
12773 else if( score == 0 && depth == 63 ) {
12774 in_book = 1; /* Zappa */
12776 else if( score == 2 && depth == 99 ) {
12777 in_book = 1; /* Abrok */
12780 has_book_hit += in_book;
12796 GetOutOfBookInfo (char * buf)
12800 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12802 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12803 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12807 if( oob[0] >= 0 || oob[1] >= 0 ) {
12808 for( i=0; i<2; i++ ) {
12812 if( i > 0 && oob[0] >= 0 ) {
12813 strcat( buf, " " );
12816 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12817 sprintf( buf+strlen(buf), "%s%.2f",
12818 pvInfoList[idx].score >= 0 ? "+" : "",
12819 pvInfoList[idx].score / 100.0 );
12825 /* Save game in PGN style and close the file */
12827 SaveGamePGN (FILE *f)
12829 int i, offset, linelen, newblock;
12832 int movelen, numlen, blank;
12833 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12835 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12837 PrintPGNTags(f, &gameInfo);
12839 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12841 if (backwardMostMove > 0 || startedFromSetupPosition) {
12842 char *fen = PositionToFEN(backwardMostMove, NULL);
12843 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12844 fprintf(f, "\n{--------------\n");
12845 PrintPosition(f, backwardMostMove);
12846 fprintf(f, "--------------}\n");
12850 /* [AS] Out of book annotation */
12851 if( appData.saveOutOfBookInfo ) {
12854 GetOutOfBookInfo( buf );
12856 if( buf[0] != '\0' ) {
12857 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12864 i = backwardMostMove;
12868 while (i < forwardMostMove) {
12869 /* Print comments preceding this move */
12870 if (commentList[i] != NULL) {
12871 if (linelen > 0) fprintf(f, "\n");
12872 fprintf(f, "%s", commentList[i]);
12877 /* Format move number */
12879 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12882 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12884 numtext[0] = NULLCHAR;
12886 numlen = strlen(numtext);
12889 /* Print move number */
12890 blank = linelen > 0 && numlen > 0;
12891 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12900 fprintf(f, "%s", numtext);
12904 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12905 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12908 blank = linelen > 0 && movelen > 0;
12909 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12918 fprintf(f, "%s", move_buffer);
12919 linelen += movelen;
12921 /* [AS] Add PV info if present */
12922 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12923 /* [HGM] add time */
12924 char buf[MSG_SIZ]; int seconds;
12926 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12932 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12935 seconds = (seconds + 4)/10; // round to full seconds
12937 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12939 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12942 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12943 pvInfoList[i].score >= 0 ? "+" : "",
12944 pvInfoList[i].score / 100.0,
12945 pvInfoList[i].depth,
12948 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12950 /* Print score/depth */
12951 blank = linelen > 0 && movelen > 0;
12952 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12961 fprintf(f, "%s", move_buffer);
12962 linelen += movelen;
12968 /* Start a new line */
12969 if (linelen > 0) fprintf(f, "\n");
12971 /* Print comments after last move */
12972 if (commentList[i] != NULL) {
12973 fprintf(f, "%s\n", commentList[i]);
12977 if (gameInfo.resultDetails != NULL &&
12978 gameInfo.resultDetails[0] != NULLCHAR) {
12979 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12980 PGNResult(gameInfo.result));
12982 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12986 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12990 /* Save game in old style and close the file */
12992 SaveGameOldStyle (FILE *f)
12997 tm = time((time_t *) NULL);
12999 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13002 if (backwardMostMove > 0 || startedFromSetupPosition) {
13003 fprintf(f, "\n[--------------\n");
13004 PrintPosition(f, backwardMostMove);
13005 fprintf(f, "--------------]\n");
13010 i = backwardMostMove;
13011 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13013 while (i < forwardMostMove) {
13014 if (commentList[i] != NULL) {
13015 fprintf(f, "[%s]\n", commentList[i]);
13018 if ((i % 2) == 1) {
13019 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13022 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13024 if (commentList[i] != NULL) {
13028 if (i >= forwardMostMove) {
13032 fprintf(f, "%s\n", parseList[i]);
13037 if (commentList[i] != NULL) {
13038 fprintf(f, "[%s]\n", commentList[i]);
13041 /* This isn't really the old style, but it's close enough */
13042 if (gameInfo.resultDetails != NULL &&
13043 gameInfo.resultDetails[0] != NULLCHAR) {
13044 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13045 gameInfo.resultDetails);
13047 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13054 /* Save the current game to open file f and close the file */
13056 SaveGame (FILE *f, int dummy, char *dummy2)
13058 if (gameMode == EditPosition) EditPositionDone(TRUE);
13059 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13060 if (appData.oldSaveStyle)
13061 return SaveGameOldStyle(f);
13063 return SaveGamePGN(f);
13066 /* Save the current position to the given file */
13068 SavePositionToFile (char *filename)
13073 if (strcmp(filename, "-") == 0) {
13074 return SavePosition(stdout, 0, NULL);
13076 f = fopen(filename, "a");
13078 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13079 DisplayError(buf, errno);
13082 safeStrCpy(buf, lastMsg, MSG_SIZ);
13083 DisplayMessage(_("Waiting for access to save file"), "");
13084 flock(fileno(f), LOCK_EX); // [HGM] lock
13085 DisplayMessage(_("Saving position"), "");
13086 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13087 SavePosition(f, 0, NULL);
13088 DisplayMessage(buf, "");
13094 /* Save the current position to the given open file and close the file */
13096 SavePosition (FILE *f, int dummy, char *dummy2)
13101 if (gameMode == EditPosition) EditPositionDone(TRUE);
13102 if (appData.oldSaveStyle) {
13103 tm = time((time_t *) NULL);
13105 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13107 fprintf(f, "[--------------\n");
13108 PrintPosition(f, currentMove);
13109 fprintf(f, "--------------]\n");
13111 fen = PositionToFEN(currentMove, NULL);
13112 fprintf(f, "%s\n", fen);
13120 ReloadCmailMsgEvent (int unregister)
13123 static char *inFilename = NULL;
13124 static char *outFilename;
13126 struct stat inbuf, outbuf;
13129 /* Any registered moves are unregistered if unregister is set, */
13130 /* i.e. invoked by the signal handler */
13132 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13133 cmailMoveRegistered[i] = FALSE;
13134 if (cmailCommentList[i] != NULL) {
13135 free(cmailCommentList[i]);
13136 cmailCommentList[i] = NULL;
13139 nCmailMovesRegistered = 0;
13142 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13143 cmailResult[i] = CMAIL_NOT_RESULT;
13147 if (inFilename == NULL) {
13148 /* Because the filenames are static they only get malloced once */
13149 /* and they never get freed */
13150 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13151 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13153 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13154 sprintf(outFilename, "%s.out", appData.cmailGameName);
13157 status = stat(outFilename, &outbuf);
13159 cmailMailedMove = FALSE;
13161 status = stat(inFilename, &inbuf);
13162 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13165 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13166 counts the games, notes how each one terminated, etc.
13168 It would be nice to remove this kludge and instead gather all
13169 the information while building the game list. (And to keep it
13170 in the game list nodes instead of having a bunch of fixed-size
13171 parallel arrays.) Note this will require getting each game's
13172 termination from the PGN tags, as the game list builder does
13173 not process the game moves. --mann
13175 cmailMsgLoaded = TRUE;
13176 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13178 /* Load first game in the file or popup game menu */
13179 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13181 #endif /* !WIN32 */
13189 char string[MSG_SIZ];
13191 if ( cmailMailedMove
13192 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13193 return TRUE; /* Allow free viewing */
13196 /* Unregister move to ensure that we don't leave RegisterMove */
13197 /* with the move registered when the conditions for registering no */
13199 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13200 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13201 nCmailMovesRegistered --;
13203 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13205 free(cmailCommentList[lastLoadGameNumber - 1]);
13206 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13210 if (cmailOldMove == -1) {
13211 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13215 if (currentMove > cmailOldMove + 1) {
13216 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13220 if (currentMove < cmailOldMove) {
13221 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13225 if (forwardMostMove > currentMove) {
13226 /* Silently truncate extra moves */
13230 if ( (currentMove == cmailOldMove + 1)
13231 || ( (currentMove == cmailOldMove)
13232 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13233 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13234 if (gameInfo.result != GameUnfinished) {
13235 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13238 if (commentList[currentMove] != NULL) {
13239 cmailCommentList[lastLoadGameNumber - 1]
13240 = StrSave(commentList[currentMove]);
13242 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13244 if (appData.debugMode)
13245 fprintf(debugFP, "Saving %s for game %d\n",
13246 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13248 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13250 f = fopen(string, "w");
13251 if (appData.oldSaveStyle) {
13252 SaveGameOldStyle(f); /* also closes the file */
13254 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13255 f = fopen(string, "w");
13256 SavePosition(f, 0, NULL); /* also closes the file */
13258 fprintf(f, "{--------------\n");
13259 PrintPosition(f, currentMove);
13260 fprintf(f, "--------------}\n\n");
13262 SaveGame(f, 0, NULL); /* also closes the file*/
13265 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13266 nCmailMovesRegistered ++;
13267 } else if (nCmailGames == 1) {
13268 DisplayError(_("You have not made a move yet"), 0);
13279 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13280 FILE *commandOutput;
13281 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13282 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13288 if (! cmailMsgLoaded) {
13289 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13293 if (nCmailGames == nCmailResults) {
13294 DisplayError(_("No unfinished games"), 0);
13298 #if CMAIL_PROHIBIT_REMAIL
13299 if (cmailMailedMove) {
13300 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);
13301 DisplayError(msg, 0);
13306 if (! (cmailMailedMove || RegisterMove())) return;
13308 if ( cmailMailedMove
13309 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13310 snprintf(string, MSG_SIZ, partCommandString,
13311 appData.debugMode ? " -v" : "", appData.cmailGameName);
13312 commandOutput = popen(string, "r");
13314 if (commandOutput == NULL) {
13315 DisplayError(_("Failed to invoke cmail"), 0);
13317 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13318 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13320 if (nBuffers > 1) {
13321 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13322 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13323 nBytes = MSG_SIZ - 1;
13325 (void) memcpy(msg, buffer, nBytes);
13327 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13329 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13330 cmailMailedMove = TRUE; /* Prevent >1 moves */
13333 for (i = 0; i < nCmailGames; i ++) {
13334 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13339 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13341 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13343 appData.cmailGameName,
13345 LoadGameFromFile(buffer, 1, buffer, FALSE);
13346 cmailMsgLoaded = FALSE;
13350 DisplayInformation(msg);
13351 pclose(commandOutput);
13354 if ((*cmailMsg) != '\0') {
13355 DisplayInformation(cmailMsg);
13360 #endif /* !WIN32 */
13369 int prependComma = 0;
13371 char string[MSG_SIZ]; /* Space for game-list */
13374 if (!cmailMsgLoaded) return "";
13376 if (cmailMailedMove) {
13377 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13379 /* Create a list of games left */
13380 snprintf(string, MSG_SIZ, "[");
13381 for (i = 0; i < nCmailGames; i ++) {
13382 if (! ( cmailMoveRegistered[i]
13383 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13384 if (prependComma) {
13385 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13387 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13391 strcat(string, number);
13394 strcat(string, "]");
13396 if (nCmailMovesRegistered + nCmailResults == 0) {
13397 switch (nCmailGames) {
13399 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13403 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13407 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13412 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13414 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13419 if (nCmailResults == nCmailGames) {
13420 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13422 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13427 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13439 if (gameMode == Training)
13440 SetTrainingModeOff();
13443 cmailMsgLoaded = FALSE;
13444 if (appData.icsActive) {
13445 SendToICS(ics_prefix);
13446 SendToICS("refresh\n");
13451 ExitEvent (int status)
13455 /* Give up on clean exit */
13459 /* Keep trying for clean exit */
13463 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13465 if (telnetISR != NULL) {
13466 RemoveInputSource(telnetISR);
13468 if (icsPR != NoProc) {
13469 DestroyChildProcess(icsPR, TRUE);
13472 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13473 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13475 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13476 /* make sure this other one finishes before killing it! */
13477 if(endingGame) { int count = 0;
13478 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13479 while(endingGame && count++ < 10) DoSleep(1);
13480 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13483 /* Kill off chess programs */
13484 if (first.pr != NoProc) {
13487 DoSleep( appData.delayBeforeQuit );
13488 SendToProgram("quit\n", &first);
13489 DoSleep( appData.delayAfterQuit );
13490 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13492 if (second.pr != NoProc) {
13493 DoSleep( appData.delayBeforeQuit );
13494 SendToProgram("quit\n", &second);
13495 DoSleep( appData.delayAfterQuit );
13496 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13498 if (first.isr != NULL) {
13499 RemoveInputSource(first.isr);
13501 if (second.isr != NULL) {
13502 RemoveInputSource(second.isr);
13505 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13506 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13508 ShutDownFrontEnd();
13513 PauseEngine (ChessProgramState *cps)
13515 SendToProgram("pause\n", cps);
13520 UnPauseEngine (ChessProgramState *cps)
13522 SendToProgram("resume\n", cps);
13529 if (appData.debugMode)
13530 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13534 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13536 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13537 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13538 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13540 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13541 HandleMachineMove(stashedInputMove, stalledEngine);
13542 stalledEngine = NULL;
13545 if (gameMode == MachinePlaysWhite ||
13546 gameMode == TwoMachinesPlay ||
13547 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13548 if(first.pause) UnPauseEngine(&first);
13549 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13550 if(second.pause) UnPauseEngine(&second);
13551 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13554 DisplayBothClocks();
13556 if (gameMode == PlayFromGameFile) {
13557 if (appData.timeDelay >= 0)
13558 AutoPlayGameLoop();
13559 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13560 Reset(FALSE, TRUE);
13561 SendToICS(ics_prefix);
13562 SendToICS("refresh\n");
13563 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13564 ForwardInner(forwardMostMove);
13566 pauseExamInvalid = FALSE;
13568 switch (gameMode) {
13572 pauseExamForwardMostMove = forwardMostMove;
13573 pauseExamInvalid = FALSE;
13576 case IcsPlayingWhite:
13577 case IcsPlayingBlack:
13581 case PlayFromGameFile:
13582 (void) StopLoadGameTimer();
13586 case BeginningOfGame:
13587 if (appData.icsActive) return;
13588 /* else fall through */
13589 case MachinePlaysWhite:
13590 case MachinePlaysBlack:
13591 case TwoMachinesPlay:
13592 if (forwardMostMove == 0)
13593 return; /* don't pause if no one has moved */
13594 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13595 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13596 if(onMove->pause) { // thinking engine can be paused
13597 PauseEngine(onMove); // do it
13598 if(onMove->other->pause) // pondering opponent can always be paused immediately
13599 PauseEngine(onMove->other);
13601 SendToProgram("easy\n", onMove->other);
13603 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13604 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13606 PauseEngine(&first);
13608 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13609 } else { // human on move, pause pondering by either method
13611 PauseEngine(&first);
13612 else if(appData.ponderNextMove)
13613 SendToProgram("easy\n", &first);
13616 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13626 EditCommentEvent ()
13628 char title[MSG_SIZ];
13630 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13631 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13633 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13634 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13635 parseList[currentMove - 1]);
13638 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13645 char *tags = PGNTags(&gameInfo);
13647 EditTagsPopUp(tags, NULL);
13654 if(second.analyzing) {
13655 SendToProgram("exit\n", &second);
13656 second.analyzing = FALSE;
13658 if (second.pr == NoProc) StartChessProgram(&second);
13659 InitChessProgram(&second, FALSE);
13660 FeedMovesToProgram(&second, currentMove);
13662 SendToProgram("analyze\n", &second);
13663 second.analyzing = TRUE;
13667 /* Toggle ShowThinking */
13669 ToggleShowThinking()
13671 appData.showThinking = !appData.showThinking;
13672 ShowThinkingEvent();
13676 AnalyzeModeEvent ()
13680 if (!first.analysisSupport) {
13681 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13682 DisplayError(buf, 0);
13685 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13686 if (appData.icsActive) {
13687 if (gameMode != IcsObserving) {
13688 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13689 DisplayError(buf, 0);
13691 if (appData.icsEngineAnalyze) {
13692 if (appData.debugMode)
13693 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13699 /* if enable, user wants to disable icsEngineAnalyze */
13700 if (appData.icsEngineAnalyze) {
13705 appData.icsEngineAnalyze = TRUE;
13706 if (appData.debugMode)
13707 fprintf(debugFP, "ICS engine analyze starting... \n");
13710 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13711 if (appData.noChessProgram || gameMode == AnalyzeMode)
13714 if (gameMode != AnalyzeFile) {
13715 if (!appData.icsEngineAnalyze) {
13717 if (gameMode != EditGame) return 0;
13719 if (!appData.showThinking) ToggleShowThinking();
13720 ResurrectChessProgram();
13721 SendToProgram("analyze\n", &first);
13722 first.analyzing = TRUE;
13723 /*first.maybeThinking = TRUE;*/
13724 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13725 EngineOutputPopUp();
13727 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13732 StartAnalysisClock();
13733 GetTimeMark(&lastNodeCountTime);
13739 AnalyzeFileEvent ()
13741 if (appData.noChessProgram || gameMode == AnalyzeFile)
13744 if (!first.analysisSupport) {
13746 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13747 DisplayError(buf, 0);
13751 if (gameMode != AnalyzeMode) {
13752 keepInfo = 1; // mere annotating should not alter PGN tags
13755 if (gameMode != EditGame) return;
13756 if (!appData.showThinking) ToggleShowThinking();
13757 ResurrectChessProgram();
13758 SendToProgram("analyze\n", &first);
13759 first.analyzing = TRUE;
13760 /*first.maybeThinking = TRUE;*/
13761 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13762 EngineOutputPopUp();
13764 gameMode = AnalyzeFile;
13768 StartAnalysisClock();
13769 GetTimeMark(&lastNodeCountTime);
13771 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13772 AnalysisPeriodicEvent(1);
13776 MachineWhiteEvent ()
13779 char *bookHit = NULL;
13781 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13785 if (gameMode == PlayFromGameFile ||
13786 gameMode == TwoMachinesPlay ||
13787 gameMode == Training ||
13788 gameMode == AnalyzeMode ||
13789 gameMode == EndOfGame)
13792 if (gameMode == EditPosition)
13793 EditPositionDone(TRUE);
13795 if (!WhiteOnMove(currentMove)) {
13796 DisplayError(_("It is not White's turn"), 0);
13800 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13803 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13804 gameMode == AnalyzeFile)
13807 ResurrectChessProgram(); /* in case it isn't running */
13808 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13809 gameMode = MachinePlaysWhite;
13812 gameMode = MachinePlaysWhite;
13816 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13818 if (first.sendName) {
13819 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13820 SendToProgram(buf, &first);
13822 if (first.sendTime) {
13823 if (first.useColors) {
13824 SendToProgram("black\n", &first); /*gnu kludge*/
13826 SendTimeRemaining(&first, TRUE);
13828 if (first.useColors) {
13829 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13831 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13832 SetMachineThinkingEnables();
13833 first.maybeThinking = TRUE;
13837 if (appData.autoFlipView && !flipView) {
13838 flipView = !flipView;
13839 DrawPosition(FALSE, NULL);
13840 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13843 if(bookHit) { // [HGM] book: simulate book reply
13844 static char bookMove[MSG_SIZ]; // a bit generous?
13846 programStats.nodes = programStats.depth = programStats.time =
13847 programStats.score = programStats.got_only_move = 0;
13848 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13850 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13851 strcat(bookMove, bookHit);
13852 HandleMachineMove(bookMove, &first);
13857 MachineBlackEvent ()
13860 char *bookHit = NULL;
13862 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13866 if (gameMode == PlayFromGameFile ||
13867 gameMode == TwoMachinesPlay ||
13868 gameMode == Training ||
13869 gameMode == AnalyzeMode ||
13870 gameMode == EndOfGame)
13873 if (gameMode == EditPosition)
13874 EditPositionDone(TRUE);
13876 if (WhiteOnMove(currentMove)) {
13877 DisplayError(_("It is not Black's turn"), 0);
13881 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13884 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13885 gameMode == AnalyzeFile)
13888 ResurrectChessProgram(); /* in case it isn't running */
13889 gameMode = MachinePlaysBlack;
13893 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13895 if (first.sendName) {
13896 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13897 SendToProgram(buf, &first);
13899 if (first.sendTime) {
13900 if (first.useColors) {
13901 SendToProgram("white\n", &first); /*gnu kludge*/
13903 SendTimeRemaining(&first, FALSE);
13905 if (first.useColors) {
13906 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13908 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13909 SetMachineThinkingEnables();
13910 first.maybeThinking = TRUE;
13913 if (appData.autoFlipView && flipView) {
13914 flipView = !flipView;
13915 DrawPosition(FALSE, NULL);
13916 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13918 if(bookHit) { // [HGM] book: simulate book reply
13919 static char bookMove[MSG_SIZ]; // a bit generous?
13921 programStats.nodes = programStats.depth = programStats.time =
13922 programStats.score = programStats.got_only_move = 0;
13923 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13925 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13926 strcat(bookMove, bookHit);
13927 HandleMachineMove(bookMove, &first);
13933 DisplayTwoMachinesTitle ()
13936 if (appData.matchGames > 0) {
13937 if(appData.tourneyFile[0]) {
13938 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13939 gameInfo.white, _("vs."), gameInfo.black,
13940 nextGame+1, appData.matchGames+1,
13941 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13943 if (first.twoMachinesColor[0] == 'w') {
13944 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13945 gameInfo.white, _("vs."), gameInfo.black,
13946 first.matchWins, second.matchWins,
13947 matchGame - 1 - (first.matchWins + second.matchWins));
13949 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13950 gameInfo.white, _("vs."), gameInfo.black,
13951 second.matchWins, first.matchWins,
13952 matchGame - 1 - (first.matchWins + second.matchWins));
13955 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13961 SettingsMenuIfReady ()
13963 if (second.lastPing != second.lastPong) {
13964 DisplayMessage("", _("Waiting for second chess program"));
13965 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13969 DisplayMessage("", "");
13970 SettingsPopUp(&second);
13974 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13977 if (cps->pr == NoProc) {
13978 StartChessProgram(cps);
13979 if (cps->protocolVersion == 1) {
13981 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
13983 /* kludge: allow timeout for initial "feature" command */
13984 if(retry != TwoMachinesEventIfReady) FreezeUI();
13985 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13986 DisplayMessage("", buf);
13987 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13995 TwoMachinesEvent P((void))
13999 ChessProgramState *onmove;
14000 char *bookHit = NULL;
14001 static int stalling = 0;
14005 if (appData.noChessProgram) return;
14007 switch (gameMode) {
14008 case TwoMachinesPlay:
14010 case MachinePlaysWhite:
14011 case MachinePlaysBlack:
14012 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14013 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14017 case BeginningOfGame:
14018 case PlayFromGameFile:
14021 if (gameMode != EditGame) return;
14024 EditPositionDone(TRUE);
14035 // forwardMostMove = currentMove;
14036 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14037 startingEngine = TRUE;
14039 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14041 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14042 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14043 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14046 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14048 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14049 startingEngine = FALSE;
14050 DisplayError("second engine does not play this", 0);
14055 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14056 SendToProgram("force\n", &second);
14058 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14061 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14062 if(appData.matchPause>10000 || appData.matchPause<10)
14063 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14064 wait = SubtractTimeMarks(&now, &pauseStart);
14065 if(wait < appData.matchPause) {
14066 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14069 // we are now committed to starting the game
14071 DisplayMessage("", "");
14072 if (startedFromSetupPosition) {
14073 SendBoard(&second, backwardMostMove);
14074 if (appData.debugMode) {
14075 fprintf(debugFP, "Two Machines\n");
14078 for (i = backwardMostMove; i < forwardMostMove; i++) {
14079 SendMoveToProgram(i, &second);
14082 gameMode = TwoMachinesPlay;
14083 pausing = startingEngine = FALSE;
14084 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14086 DisplayTwoMachinesTitle();
14088 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14093 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14094 SendToProgram(first.computerString, &first);
14095 if (first.sendName) {
14096 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14097 SendToProgram(buf, &first);
14099 SendToProgram(second.computerString, &second);
14100 if (second.sendName) {
14101 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14102 SendToProgram(buf, &second);
14106 if (!first.sendTime || !second.sendTime) {
14107 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14108 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14110 if (onmove->sendTime) {
14111 if (onmove->useColors) {
14112 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14114 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14116 if (onmove->useColors) {
14117 SendToProgram(onmove->twoMachinesColor, onmove);
14119 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14120 // SendToProgram("go\n", onmove);
14121 onmove->maybeThinking = TRUE;
14122 SetMachineThinkingEnables();
14126 if(bookHit) { // [HGM] book: simulate book reply
14127 static char bookMove[MSG_SIZ]; // a bit generous?
14129 programStats.nodes = programStats.depth = programStats.time =
14130 programStats.score = programStats.got_only_move = 0;
14131 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14133 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14134 strcat(bookMove, bookHit);
14135 savedMessage = bookMove; // args for deferred call
14136 savedState = onmove;
14137 ScheduleDelayedEvent(DeferredBookMove, 1);
14144 if (gameMode == Training) {
14145 SetTrainingModeOff();
14146 gameMode = PlayFromGameFile;
14147 DisplayMessage("", _("Training mode off"));
14149 gameMode = Training;
14150 animateTraining = appData.animate;
14152 /* make sure we are not already at the end of the game */
14153 if (currentMove < forwardMostMove) {
14154 SetTrainingModeOn();
14155 DisplayMessage("", _("Training mode on"));
14157 gameMode = PlayFromGameFile;
14158 DisplayError(_("Already at end of game"), 0);
14167 if (!appData.icsActive) return;
14168 switch (gameMode) {
14169 case IcsPlayingWhite:
14170 case IcsPlayingBlack:
14173 case BeginningOfGame:
14181 EditPositionDone(TRUE);
14194 gameMode = IcsIdle;
14204 switch (gameMode) {
14206 SetTrainingModeOff();
14208 case MachinePlaysWhite:
14209 case MachinePlaysBlack:
14210 case BeginningOfGame:
14211 SendToProgram("force\n", &first);
14212 SetUserThinkingEnables();
14214 case PlayFromGameFile:
14215 (void) StopLoadGameTimer();
14216 if (gameFileFP != NULL) {
14221 EditPositionDone(TRUE);
14226 SendToProgram("force\n", &first);
14228 case TwoMachinesPlay:
14229 GameEnds(EndOfFile, NULL, GE_PLAYER);
14230 ResurrectChessProgram();
14231 SetUserThinkingEnables();
14234 ResurrectChessProgram();
14236 case IcsPlayingBlack:
14237 case IcsPlayingWhite:
14238 DisplayError(_("Warning: You are still playing a game"), 0);
14241 DisplayError(_("Warning: You are still observing a game"), 0);
14244 DisplayError(_("Warning: You are still examining a game"), 0);
14255 first.offeredDraw = second.offeredDraw = 0;
14257 if (gameMode == PlayFromGameFile) {
14258 whiteTimeRemaining = timeRemaining[0][currentMove];
14259 blackTimeRemaining = timeRemaining[1][currentMove];
14263 if (gameMode == MachinePlaysWhite ||
14264 gameMode == MachinePlaysBlack ||
14265 gameMode == TwoMachinesPlay ||
14266 gameMode == EndOfGame) {
14267 i = forwardMostMove;
14268 while (i > currentMove) {
14269 SendToProgram("undo\n", &first);
14272 if(!adjustedClock) {
14273 whiteTimeRemaining = timeRemaining[0][currentMove];
14274 blackTimeRemaining = timeRemaining[1][currentMove];
14275 DisplayBothClocks();
14277 if (whiteFlag || blackFlag) {
14278 whiteFlag = blackFlag = 0;
14283 gameMode = EditGame;
14290 EditPositionEvent ()
14292 if (gameMode == EditPosition) {
14298 if (gameMode != EditGame) return;
14300 gameMode = EditPosition;
14303 if (currentMove > 0)
14304 CopyBoard(boards[0], boards[currentMove]);
14306 blackPlaysFirst = !WhiteOnMove(currentMove);
14308 currentMove = forwardMostMove = backwardMostMove = 0;
14309 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14311 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14317 /* [DM] icsEngineAnalyze - possible call from other functions */
14318 if (appData.icsEngineAnalyze) {
14319 appData.icsEngineAnalyze = FALSE;
14321 DisplayMessage("",_("Close ICS engine analyze..."));
14323 if (first.analysisSupport && first.analyzing) {
14324 SendToBoth("exit\n");
14325 first.analyzing = second.analyzing = FALSE;
14327 thinkOutput[0] = NULLCHAR;
14331 EditPositionDone (Boolean fakeRights)
14333 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14335 startedFromSetupPosition = TRUE;
14336 InitChessProgram(&first, FALSE);
14337 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14338 boards[0][EP_STATUS] = EP_NONE;
14339 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14340 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14341 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14342 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14343 } else boards[0][CASTLING][2] = NoRights;
14344 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14345 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14346 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14347 } else boards[0][CASTLING][5] = NoRights;
14348 if(gameInfo.variant == VariantSChess) {
14350 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14351 boards[0][VIRGIN][i] = 0;
14352 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14353 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14357 SendToProgram("force\n", &first);
14358 if (blackPlaysFirst) {
14359 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14360 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14361 currentMove = forwardMostMove = backwardMostMove = 1;
14362 CopyBoard(boards[1], boards[0]);
14364 currentMove = forwardMostMove = backwardMostMove = 0;
14366 SendBoard(&first, forwardMostMove);
14367 if (appData.debugMode) {
14368 fprintf(debugFP, "EditPosDone\n");
14371 DisplayMessage("", "");
14372 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14373 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14374 gameMode = EditGame;
14376 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14377 ClearHighlights(); /* [AS] */
14380 /* Pause for `ms' milliseconds */
14381 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14383 TimeDelay (long ms)
14390 } while (SubtractTimeMarks(&m2, &m1) < ms);
14393 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14395 SendMultiLineToICS (char *buf)
14397 char temp[MSG_SIZ+1], *p;
14404 strncpy(temp, buf, len);
14409 if (*p == '\n' || *p == '\r')
14414 strcat(temp, "\n");
14416 SendToPlayer(temp, strlen(temp));
14420 SetWhiteToPlayEvent ()
14422 if (gameMode == EditPosition) {
14423 blackPlaysFirst = FALSE;
14424 DisplayBothClocks(); /* works because currentMove is 0 */
14425 } else if (gameMode == IcsExamining) {
14426 SendToICS(ics_prefix);
14427 SendToICS("tomove white\n");
14432 SetBlackToPlayEvent ()
14434 if (gameMode == EditPosition) {
14435 blackPlaysFirst = TRUE;
14436 currentMove = 1; /* kludge */
14437 DisplayBothClocks();
14439 } else if (gameMode == IcsExamining) {
14440 SendToICS(ics_prefix);
14441 SendToICS("tomove black\n");
14446 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14449 ChessSquare piece = boards[0][y][x];
14451 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14453 switch (selection) {
14455 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14456 SendToICS(ics_prefix);
14457 SendToICS("bsetup clear\n");
14458 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14459 SendToICS(ics_prefix);
14460 SendToICS("clearboard\n");
14462 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14463 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14464 for (y = 0; y < BOARD_HEIGHT; y++) {
14465 if (gameMode == IcsExamining) {
14466 if (boards[currentMove][y][x] != EmptySquare) {
14467 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14472 boards[0][y][x] = p;
14477 if (gameMode == EditPosition) {
14478 DrawPosition(FALSE, boards[0]);
14483 SetWhiteToPlayEvent();
14487 SetBlackToPlayEvent();
14491 if (gameMode == IcsExamining) {
14492 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14493 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14496 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14497 if(x == BOARD_LEFT-2) {
14498 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14499 boards[0][y][1] = 0;
14501 if(x == BOARD_RGHT+1) {
14502 if(y >= gameInfo.holdingsSize) break;
14503 boards[0][y][BOARD_WIDTH-2] = 0;
14506 boards[0][y][x] = EmptySquare;
14507 DrawPosition(FALSE, boards[0]);
14512 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14513 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14514 selection = (ChessSquare) (PROMOTED piece);
14515 } else if(piece == EmptySquare) selection = WhiteSilver;
14516 else selection = (ChessSquare)((int)piece - 1);
14520 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14521 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14522 selection = (ChessSquare) (DEMOTED piece);
14523 } else if(piece == EmptySquare) selection = BlackSilver;
14524 else selection = (ChessSquare)((int)piece + 1);
14529 if(gameInfo.variant == VariantShatranj ||
14530 gameInfo.variant == VariantXiangqi ||
14531 gameInfo.variant == VariantCourier ||
14532 gameInfo.variant == VariantMakruk )
14533 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14538 if(gameInfo.variant == VariantXiangqi)
14539 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14540 if(gameInfo.variant == VariantKnightmate)
14541 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14544 if (gameMode == IcsExamining) {
14545 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14546 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14547 PieceToChar(selection), AAA + x, ONE + y);
14550 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14552 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14553 n = PieceToNumber(selection - BlackPawn);
14554 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14555 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14556 boards[0][BOARD_HEIGHT-1-n][1]++;
14558 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14559 n = PieceToNumber(selection);
14560 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14561 boards[0][n][BOARD_WIDTH-1] = selection;
14562 boards[0][n][BOARD_WIDTH-2]++;
14565 boards[0][y][x] = selection;
14566 DrawPosition(TRUE, boards[0]);
14568 fromX = fromY = -1;
14576 DropMenuEvent (ChessSquare selection, int x, int y)
14578 ChessMove moveType;
14580 switch (gameMode) {
14581 case IcsPlayingWhite:
14582 case MachinePlaysBlack:
14583 if (!WhiteOnMove(currentMove)) {
14584 DisplayMoveError(_("It is Black's turn"));
14587 moveType = WhiteDrop;
14589 case IcsPlayingBlack:
14590 case MachinePlaysWhite:
14591 if (WhiteOnMove(currentMove)) {
14592 DisplayMoveError(_("It is White's turn"));
14595 moveType = BlackDrop;
14598 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14604 if (moveType == BlackDrop && selection < BlackPawn) {
14605 selection = (ChessSquare) ((int) selection
14606 + (int) BlackPawn - (int) WhitePawn);
14608 if (boards[currentMove][y][x] != EmptySquare) {
14609 DisplayMoveError(_("That square is occupied"));
14613 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14619 /* Accept a pending offer of any kind from opponent */
14621 if (appData.icsActive) {
14622 SendToICS(ics_prefix);
14623 SendToICS("accept\n");
14624 } else if (cmailMsgLoaded) {
14625 if (currentMove == cmailOldMove &&
14626 commentList[cmailOldMove] != NULL &&
14627 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14628 "Black offers a draw" : "White offers a draw")) {
14630 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14631 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14633 DisplayError(_("There is no pending offer on this move"), 0);
14634 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14637 /* Not used for offers from chess program */
14644 /* Decline a pending offer of any kind from opponent */
14646 if (appData.icsActive) {
14647 SendToICS(ics_prefix);
14648 SendToICS("decline\n");
14649 } else if (cmailMsgLoaded) {
14650 if (currentMove == cmailOldMove &&
14651 commentList[cmailOldMove] != NULL &&
14652 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14653 "Black offers a draw" : "White offers a draw")) {
14655 AppendComment(cmailOldMove, "Draw declined", TRUE);
14656 DisplayComment(cmailOldMove - 1, "Draw declined");
14659 DisplayError(_("There is no pending offer on this move"), 0);
14662 /* Not used for offers from chess program */
14669 /* Issue ICS rematch command */
14670 if (appData.icsActive) {
14671 SendToICS(ics_prefix);
14672 SendToICS("rematch\n");
14679 /* Call your opponent's flag (claim a win on time) */
14680 if (appData.icsActive) {
14681 SendToICS(ics_prefix);
14682 SendToICS("flag\n");
14684 switch (gameMode) {
14687 case MachinePlaysWhite:
14690 GameEnds(GameIsDrawn, "Both players ran out of time",
14693 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14695 DisplayError(_("Your opponent is not out of time"), 0);
14698 case MachinePlaysBlack:
14701 GameEnds(GameIsDrawn, "Both players ran out of time",
14704 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14706 DisplayError(_("Your opponent is not out of time"), 0);
14714 ClockClick (int which)
14715 { // [HGM] code moved to back-end from winboard.c
14716 if(which) { // black clock
14717 if (gameMode == EditPosition || gameMode == IcsExamining) {
14718 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14719 SetBlackToPlayEvent();
14720 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14721 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14722 } else if (shiftKey) {
14723 AdjustClock(which, -1);
14724 } else if (gameMode == IcsPlayingWhite ||
14725 gameMode == MachinePlaysBlack) {
14728 } else { // white clock
14729 if (gameMode == EditPosition || gameMode == IcsExamining) {
14730 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14731 SetWhiteToPlayEvent();
14732 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14733 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14734 } else if (shiftKey) {
14735 AdjustClock(which, -1);
14736 } else if (gameMode == IcsPlayingBlack ||
14737 gameMode == MachinePlaysWhite) {
14746 /* Offer draw or accept pending draw offer from opponent */
14748 if (appData.icsActive) {
14749 /* Note: tournament rules require draw offers to be
14750 made after you make your move but before you punch
14751 your clock. Currently ICS doesn't let you do that;
14752 instead, you immediately punch your clock after making
14753 a move, but you can offer a draw at any time. */
14755 SendToICS(ics_prefix);
14756 SendToICS("draw\n");
14757 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14758 } else if (cmailMsgLoaded) {
14759 if (currentMove == cmailOldMove &&
14760 commentList[cmailOldMove] != NULL &&
14761 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14762 "Black offers a draw" : "White offers a draw")) {
14763 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14764 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14765 } else if (currentMove == cmailOldMove + 1) {
14766 char *offer = WhiteOnMove(cmailOldMove) ?
14767 "White offers a draw" : "Black offers a draw";
14768 AppendComment(currentMove, offer, TRUE);
14769 DisplayComment(currentMove - 1, offer);
14770 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14772 DisplayError(_("You must make your move before offering a draw"), 0);
14773 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14775 } else if (first.offeredDraw) {
14776 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14778 if (first.sendDrawOffers) {
14779 SendToProgram("draw\n", &first);
14780 userOfferedDraw = TRUE;
14788 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14790 if (appData.icsActive) {
14791 SendToICS(ics_prefix);
14792 SendToICS("adjourn\n");
14794 /* Currently GNU Chess doesn't offer or accept Adjourns */
14802 /* Offer Abort or accept pending Abort offer from opponent */
14804 if (appData.icsActive) {
14805 SendToICS(ics_prefix);
14806 SendToICS("abort\n");
14808 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14815 /* Resign. You can do this even if it's not your turn. */
14817 if (appData.icsActive) {
14818 SendToICS(ics_prefix);
14819 SendToICS("resign\n");
14821 switch (gameMode) {
14822 case MachinePlaysWhite:
14823 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14825 case MachinePlaysBlack:
14826 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14829 if (cmailMsgLoaded) {
14831 if (WhiteOnMove(cmailOldMove)) {
14832 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14834 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14836 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14847 StopObservingEvent ()
14849 /* Stop observing current games */
14850 SendToICS(ics_prefix);
14851 SendToICS("unobserve\n");
14855 StopExaminingEvent ()
14857 /* Stop observing current game */
14858 SendToICS(ics_prefix);
14859 SendToICS("unexamine\n");
14863 ForwardInner (int target)
14865 int limit; int oldSeekGraphUp = seekGraphUp;
14867 if (appData.debugMode)
14868 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14869 target, currentMove, forwardMostMove);
14871 if (gameMode == EditPosition)
14874 seekGraphUp = FALSE;
14875 MarkTargetSquares(1);
14877 if (gameMode == PlayFromGameFile && !pausing)
14880 if (gameMode == IcsExamining && pausing)
14881 limit = pauseExamForwardMostMove;
14883 limit = forwardMostMove;
14885 if (target > limit) target = limit;
14887 if (target > 0 && moveList[target - 1][0]) {
14888 int fromX, fromY, toX, toY;
14889 toX = moveList[target - 1][2] - AAA;
14890 toY = moveList[target - 1][3] - ONE;
14891 if (moveList[target - 1][1] == '@') {
14892 if (appData.highlightLastMove) {
14893 SetHighlights(-1, -1, toX, toY);
14896 fromX = moveList[target - 1][0] - AAA;
14897 fromY = moveList[target - 1][1] - ONE;
14898 if (target == currentMove + 1) {
14899 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14901 if (appData.highlightLastMove) {
14902 SetHighlights(fromX, fromY, toX, toY);
14906 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14907 gameMode == Training || gameMode == PlayFromGameFile ||
14908 gameMode == AnalyzeFile) {
14909 while (currentMove < target) {
14910 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14911 SendMoveToProgram(currentMove++, &first);
14914 currentMove = target;
14917 if (gameMode == EditGame || gameMode == EndOfGame) {
14918 whiteTimeRemaining = timeRemaining[0][currentMove];
14919 blackTimeRemaining = timeRemaining[1][currentMove];
14921 DisplayBothClocks();
14922 DisplayMove(currentMove - 1);
14923 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14924 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14925 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14926 DisplayComment(currentMove - 1, commentList[currentMove]);
14928 ClearMap(); // [HGM] exclude: invalidate map
14935 if (gameMode == IcsExamining && !pausing) {
14936 SendToICS(ics_prefix);
14937 SendToICS("forward\n");
14939 ForwardInner(currentMove + 1);
14946 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14947 /* to optimze, we temporarily turn off analysis mode while we feed
14948 * the remaining moves to the engine. Otherwise we get analysis output
14951 if (first.analysisSupport) {
14952 SendToProgram("exit\nforce\n", &first);
14953 first.analyzing = FALSE;
14957 if (gameMode == IcsExamining && !pausing) {
14958 SendToICS(ics_prefix);
14959 SendToICS("forward 999999\n");
14961 ForwardInner(forwardMostMove);
14964 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14965 /* we have fed all the moves, so reactivate analysis mode */
14966 SendToProgram("analyze\n", &first);
14967 first.analyzing = TRUE;
14968 /*first.maybeThinking = TRUE;*/
14969 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14974 BackwardInner (int target)
14976 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14978 if (appData.debugMode)
14979 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14980 target, currentMove, forwardMostMove);
14982 if (gameMode == EditPosition) return;
14983 seekGraphUp = FALSE;
14984 MarkTargetSquares(1);
14985 if (currentMove <= backwardMostMove) {
14987 DrawPosition(full_redraw, boards[currentMove]);
14990 if (gameMode == PlayFromGameFile && !pausing)
14993 if (moveList[target][0]) {
14994 int fromX, fromY, toX, toY;
14995 toX = moveList[target][2] - AAA;
14996 toY = moveList[target][3] - ONE;
14997 if (moveList[target][1] == '@') {
14998 if (appData.highlightLastMove) {
14999 SetHighlights(-1, -1, toX, toY);
15002 fromX = moveList[target][0] - AAA;
15003 fromY = moveList[target][1] - ONE;
15004 if (target == currentMove - 1) {
15005 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15007 if (appData.highlightLastMove) {
15008 SetHighlights(fromX, fromY, toX, toY);
15012 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15013 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15014 while (currentMove > target) {
15015 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15016 // null move cannot be undone. Reload program with move history before it.
15018 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15019 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15021 SendBoard(&first, i);
15022 if(second.analyzing) SendBoard(&second, i);
15023 for(currentMove=i; currentMove<target; currentMove++) {
15024 SendMoveToProgram(currentMove, &first);
15025 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15029 SendToBoth("undo\n");
15033 currentMove = target;
15036 if (gameMode == EditGame || gameMode == EndOfGame) {
15037 whiteTimeRemaining = timeRemaining[0][currentMove];
15038 blackTimeRemaining = timeRemaining[1][currentMove];
15040 DisplayBothClocks();
15041 DisplayMove(currentMove - 1);
15042 DrawPosition(full_redraw, boards[currentMove]);
15043 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15044 // [HGM] PV info: routine tests if comment empty
15045 DisplayComment(currentMove - 1, commentList[currentMove]);
15046 ClearMap(); // [HGM] exclude: invalidate map
15052 if (gameMode == IcsExamining && !pausing) {
15053 SendToICS(ics_prefix);
15054 SendToICS("backward\n");
15056 BackwardInner(currentMove - 1);
15063 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15064 /* to optimize, we temporarily turn off analysis mode while we undo
15065 * all the moves. Otherwise we get analysis output after each undo.
15067 if (first.analysisSupport) {
15068 SendToProgram("exit\nforce\n", &first);
15069 first.analyzing = FALSE;
15073 if (gameMode == IcsExamining && !pausing) {
15074 SendToICS(ics_prefix);
15075 SendToICS("backward 999999\n");
15077 BackwardInner(backwardMostMove);
15080 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15081 /* we have fed all the moves, so reactivate analysis mode */
15082 SendToProgram("analyze\n", &first);
15083 first.analyzing = TRUE;
15084 /*first.maybeThinking = TRUE;*/
15085 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15092 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15093 if (to >= forwardMostMove) to = forwardMostMove;
15094 if (to <= backwardMostMove) to = backwardMostMove;
15095 if (to < currentMove) {
15103 RevertEvent (Boolean annotate)
15105 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15108 if (gameMode != IcsExamining) {
15109 DisplayError(_("You are not examining a game"), 0);
15113 DisplayError(_("You can't revert while pausing"), 0);
15116 SendToICS(ics_prefix);
15117 SendToICS("revert\n");
15121 RetractMoveEvent ()
15123 switch (gameMode) {
15124 case MachinePlaysWhite:
15125 case MachinePlaysBlack:
15126 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15127 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15130 if (forwardMostMove < 2) return;
15131 currentMove = forwardMostMove = forwardMostMove - 2;
15132 whiteTimeRemaining = timeRemaining[0][currentMove];
15133 blackTimeRemaining = timeRemaining[1][currentMove];
15134 DisplayBothClocks();
15135 DisplayMove(currentMove - 1);
15136 ClearHighlights();/*!! could figure this out*/
15137 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15138 SendToProgram("remove\n", &first);
15139 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15142 case BeginningOfGame:
15146 case IcsPlayingWhite:
15147 case IcsPlayingBlack:
15148 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15149 SendToICS(ics_prefix);
15150 SendToICS("takeback 2\n");
15152 SendToICS(ics_prefix);
15153 SendToICS("takeback 1\n");
15162 ChessProgramState *cps;
15164 switch (gameMode) {
15165 case MachinePlaysWhite:
15166 if (!WhiteOnMove(forwardMostMove)) {
15167 DisplayError(_("It is your turn"), 0);
15172 case MachinePlaysBlack:
15173 if (WhiteOnMove(forwardMostMove)) {
15174 DisplayError(_("It is your turn"), 0);
15179 case TwoMachinesPlay:
15180 if (WhiteOnMove(forwardMostMove) ==
15181 (first.twoMachinesColor[0] == 'w')) {
15187 case BeginningOfGame:
15191 SendToProgram("?\n", cps);
15195 TruncateGameEvent ()
15198 if (gameMode != EditGame) return;
15205 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15206 if (forwardMostMove > currentMove) {
15207 if (gameInfo.resultDetails != NULL) {
15208 free(gameInfo.resultDetails);
15209 gameInfo.resultDetails = NULL;
15210 gameInfo.result = GameUnfinished;
15212 forwardMostMove = currentMove;
15213 HistorySet(parseList, backwardMostMove, forwardMostMove,
15221 if (appData.noChessProgram) return;
15222 switch (gameMode) {
15223 case MachinePlaysWhite:
15224 if (WhiteOnMove(forwardMostMove)) {
15225 DisplayError(_("Wait until your turn"), 0);
15229 case BeginningOfGame:
15230 case MachinePlaysBlack:
15231 if (!WhiteOnMove(forwardMostMove)) {
15232 DisplayError(_("Wait until your turn"), 0);
15237 DisplayError(_("No hint available"), 0);
15240 SendToProgram("hint\n", &first);
15241 hintRequested = TRUE;
15247 ListGame * lg = (ListGame *) gameList.head;
15250 static int secondTime = FALSE;
15252 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15253 DisplayError(_("Game list not loaded or empty"), 0);
15257 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15260 DisplayNote(_("Book file exists! Try again for overwrite."));
15264 creatingBook = TRUE;
15265 secondTime = FALSE;
15267 /* Get list size */
15268 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15269 LoadGame(f, nItem, "", TRUE);
15270 AddGameToBook(TRUE);
15271 lg = (ListGame *) lg->node.succ;
15274 creatingBook = FALSE;
15281 if (appData.noChessProgram) return;
15282 switch (gameMode) {
15283 case MachinePlaysWhite:
15284 if (WhiteOnMove(forwardMostMove)) {
15285 DisplayError(_("Wait until your turn"), 0);
15289 case BeginningOfGame:
15290 case MachinePlaysBlack:
15291 if (!WhiteOnMove(forwardMostMove)) {
15292 DisplayError(_("Wait until your turn"), 0);
15297 EditPositionDone(TRUE);
15299 case TwoMachinesPlay:
15304 SendToProgram("bk\n", &first);
15305 bookOutput[0] = NULLCHAR;
15306 bookRequested = TRUE;
15312 char *tags = PGNTags(&gameInfo);
15313 TagsPopUp(tags, CmailMsg());
15317 /* end button procedures */
15320 PrintPosition (FILE *fp, int move)
15324 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15325 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15326 char c = PieceToChar(boards[move][i][j]);
15327 fputc(c == 'x' ? '.' : c, fp);
15328 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15331 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15332 fprintf(fp, "white to play\n");
15334 fprintf(fp, "black to play\n");
15338 PrintOpponents (FILE *fp)
15340 if (gameInfo.white != NULL) {
15341 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15347 /* Find last component of program's own name, using some heuristics */
15349 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15352 int local = (strcmp(host, "localhost") == 0);
15353 while (!local && (p = strchr(prog, ';')) != NULL) {
15355 while (*p == ' ') p++;
15358 if (*prog == '"' || *prog == '\'') {
15359 q = strchr(prog + 1, *prog);
15361 q = strchr(prog, ' ');
15363 if (q == NULL) q = prog + strlen(prog);
15365 while (p >= prog && *p != '/' && *p != '\\') p--;
15367 if(p == prog && *p == '"') p++;
15369 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15370 memcpy(buf, p, q - p);
15371 buf[q - p] = NULLCHAR;
15379 TimeControlTagValue ()
15382 if (!appData.clockMode) {
15383 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15384 } else if (movesPerSession > 0) {
15385 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15386 } else if (timeIncrement == 0) {
15387 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15389 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15391 return StrSave(buf);
15397 /* This routine is used only for certain modes */
15398 VariantClass v = gameInfo.variant;
15399 ChessMove r = GameUnfinished;
15402 if(keepInfo) return;
15404 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15405 r = gameInfo.result;
15406 p = gameInfo.resultDetails;
15407 gameInfo.resultDetails = NULL;
15409 ClearGameInfo(&gameInfo);
15410 gameInfo.variant = v;
15412 switch (gameMode) {
15413 case MachinePlaysWhite:
15414 gameInfo.event = StrSave( appData.pgnEventHeader );
15415 gameInfo.site = StrSave(HostName());
15416 gameInfo.date = PGNDate();
15417 gameInfo.round = StrSave("-");
15418 gameInfo.white = StrSave(first.tidy);
15419 gameInfo.black = StrSave(UserName());
15420 gameInfo.timeControl = TimeControlTagValue();
15423 case MachinePlaysBlack:
15424 gameInfo.event = StrSave( appData.pgnEventHeader );
15425 gameInfo.site = StrSave(HostName());
15426 gameInfo.date = PGNDate();
15427 gameInfo.round = StrSave("-");
15428 gameInfo.white = StrSave(UserName());
15429 gameInfo.black = StrSave(first.tidy);
15430 gameInfo.timeControl = TimeControlTagValue();
15433 case TwoMachinesPlay:
15434 gameInfo.event = StrSave( appData.pgnEventHeader );
15435 gameInfo.site = StrSave(HostName());
15436 gameInfo.date = PGNDate();
15439 snprintf(buf, MSG_SIZ, "%d", roundNr);
15440 gameInfo.round = StrSave(buf);
15442 gameInfo.round = StrSave("-");
15444 if (first.twoMachinesColor[0] == 'w') {
15445 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15446 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15448 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15449 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15451 gameInfo.timeControl = TimeControlTagValue();
15455 gameInfo.event = StrSave("Edited game");
15456 gameInfo.site = StrSave(HostName());
15457 gameInfo.date = PGNDate();
15458 gameInfo.round = StrSave("-");
15459 gameInfo.white = StrSave("-");
15460 gameInfo.black = StrSave("-");
15461 gameInfo.result = r;
15462 gameInfo.resultDetails = p;
15466 gameInfo.event = StrSave("Edited position");
15467 gameInfo.site = StrSave(HostName());
15468 gameInfo.date = PGNDate();
15469 gameInfo.round = StrSave("-");
15470 gameInfo.white = StrSave("-");
15471 gameInfo.black = StrSave("-");
15474 case IcsPlayingWhite:
15475 case IcsPlayingBlack:
15480 case PlayFromGameFile:
15481 gameInfo.event = StrSave("Game from non-PGN file");
15482 gameInfo.site = StrSave(HostName());
15483 gameInfo.date = PGNDate();
15484 gameInfo.round = StrSave("-");
15485 gameInfo.white = StrSave("?");
15486 gameInfo.black = StrSave("?");
15495 ReplaceComment (int index, char *text)
15501 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15502 pvInfoList[index-1].depth == len &&
15503 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15504 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15505 while (*text == '\n') text++;
15506 len = strlen(text);
15507 while (len > 0 && text[len - 1] == '\n') len--;
15509 if (commentList[index] != NULL)
15510 free(commentList[index]);
15513 commentList[index] = NULL;
15516 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15517 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15518 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15519 commentList[index] = (char *) malloc(len + 2);
15520 strncpy(commentList[index], text, len);
15521 commentList[index][len] = '\n';
15522 commentList[index][len + 1] = NULLCHAR;
15524 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15526 commentList[index] = (char *) malloc(len + 7);
15527 safeStrCpy(commentList[index], "{\n", 3);
15528 safeStrCpy(commentList[index]+2, text, len+1);
15529 commentList[index][len+2] = NULLCHAR;
15530 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15531 strcat(commentList[index], "\n}\n");
15536 CrushCRs (char *text)
15544 if (ch == '\r') continue;
15546 } while (ch != '\0');
15550 AppendComment (int index, char *text, Boolean addBraces)
15551 /* addBraces tells if we should add {} */
15556 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15557 if(addBraces == 3) addBraces = 0; else // force appending literally
15558 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15561 while (*text == '\n') text++;
15562 len = strlen(text);
15563 while (len > 0 && text[len - 1] == '\n') len--;
15564 text[len] = NULLCHAR;
15566 if (len == 0) return;
15568 if (commentList[index] != NULL) {
15569 Boolean addClosingBrace = addBraces;
15570 old = commentList[index];
15571 oldlen = strlen(old);
15572 while(commentList[index][oldlen-1] == '\n')
15573 commentList[index][--oldlen] = NULLCHAR;
15574 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15575 safeStrCpy(commentList[index], old, oldlen + len + 6);
15577 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15578 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15579 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15580 while (*text == '\n') { text++; len--; }
15581 commentList[index][--oldlen] = NULLCHAR;
15583 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15584 else strcat(commentList[index], "\n");
15585 strcat(commentList[index], text);
15586 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15587 else strcat(commentList[index], "\n");
15589 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15591 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15592 else commentList[index][0] = NULLCHAR;
15593 strcat(commentList[index], text);
15594 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15595 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15600 FindStr (char * text, char * sub_text)
15602 char * result = strstr( text, sub_text );
15604 if( result != NULL ) {
15605 result += strlen( sub_text );
15611 /* [AS] Try to extract PV info from PGN comment */
15612 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15614 GetInfoFromComment (int index, char * text)
15616 char * sep = text, *p;
15618 if( text != NULL && index > 0 ) {
15621 int time = -1, sec = 0, deci;
15622 char * s_eval = FindStr( text, "[%eval " );
15623 char * s_emt = FindStr( text, "[%emt " );
15625 if( s_eval != NULL || s_emt != NULL ) {
15627 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15632 if( s_eval != NULL ) {
15633 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15637 if( delim != ']' ) {
15642 if( s_emt != NULL ) {
15647 /* We expect something like: [+|-]nnn.nn/dd */
15650 if(*text != '{') return text; // [HGM] braces: must be normal comment
15652 sep = strchr( text, '/' );
15653 if( sep == NULL || sep < (text+4) ) {
15658 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15659 if(p[1] == '(') { // comment starts with PV
15660 p = strchr(p, ')'); // locate end of PV
15661 if(p == NULL || sep < p+5) return text;
15662 // at this point we have something like "{(.*) +0.23/6 ..."
15663 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15664 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15665 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15667 time = -1; sec = -1; deci = -1;
15668 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15669 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15670 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15671 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15675 if( score_lo < 0 || score_lo >= 100 ) {
15679 if(sec >= 0) time = 600*time + 10*sec; else
15680 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15682 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15684 /* [HGM] PV time: now locate end of PV info */
15685 while( *++sep >= '0' && *sep <= '9'); // strip depth
15687 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15689 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15691 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15692 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15703 pvInfoList[index-1].depth = depth;
15704 pvInfoList[index-1].score = score;
15705 pvInfoList[index-1].time = 10*time; // centi-sec
15706 if(*sep == '}') *sep = 0; else *--sep = '{';
15707 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15713 SendToProgram (char *message, ChessProgramState *cps)
15715 int count, outCount, error;
15718 if (cps->pr == NoProc) return;
15721 if (appData.debugMode) {
15724 fprintf(debugFP, "%ld >%-6s: %s",
15725 SubtractTimeMarks(&now, &programStartTime),
15726 cps->which, message);
15728 fprintf(serverFP, "%ld >%-6s: %s",
15729 SubtractTimeMarks(&now, &programStartTime),
15730 cps->which, message), fflush(serverFP);
15733 count = strlen(message);
15734 outCount = OutputToProcess(cps->pr, message, count, &error);
15735 if (outCount < count && !exiting
15736 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15737 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15738 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15739 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15740 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15741 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15742 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15743 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15745 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15746 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15747 gameInfo.result = res;
15749 gameInfo.resultDetails = StrSave(buf);
15751 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15752 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15757 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15761 ChessProgramState *cps = (ChessProgramState *)closure;
15763 if (isr != cps->isr) return; /* Killed intentionally */
15766 RemoveInputSource(cps->isr);
15767 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15768 _(cps->which), cps->program);
15769 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15770 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15771 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15772 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15773 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15774 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15776 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15777 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15778 gameInfo.result = res;
15780 gameInfo.resultDetails = StrSave(buf);
15782 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15783 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15785 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15786 _(cps->which), cps->program);
15787 RemoveInputSource(cps->isr);
15789 /* [AS] Program is misbehaving badly... kill it */
15790 if( count == -2 ) {
15791 DestroyChildProcess( cps->pr, 9 );
15795 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15800 if ((end_str = strchr(message, '\r')) != NULL)
15801 *end_str = NULLCHAR;
15802 if ((end_str = strchr(message, '\n')) != NULL)
15803 *end_str = NULLCHAR;
15805 if (appData.debugMode) {
15806 TimeMark now; int print = 1;
15807 char *quote = ""; char c; int i;
15809 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15810 char start = message[0];
15811 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15812 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15813 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15814 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15815 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15816 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15817 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15818 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15819 sscanf(message, "hint: %c", &c)!=1 &&
15820 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15821 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15822 print = (appData.engineComments >= 2);
15824 message[0] = start; // restore original message
15828 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15829 SubtractTimeMarks(&now, &programStartTime), cps->which,
15833 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15834 SubtractTimeMarks(&now, &programStartTime), cps->which,
15836 message), fflush(serverFP);
15840 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15841 if (appData.icsEngineAnalyze) {
15842 if (strstr(message, "whisper") != NULL ||
15843 strstr(message, "kibitz") != NULL ||
15844 strstr(message, "tellics") != NULL) return;
15847 HandleMachineMove(message, cps);
15852 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15857 if( timeControl_2 > 0 ) {
15858 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15859 tc = timeControl_2;
15862 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15863 inc /= cps->timeOdds;
15864 st /= cps->timeOdds;
15866 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15869 /* Set exact time per move, normally using st command */
15870 if (cps->stKludge) {
15871 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15873 if (seconds == 0) {
15874 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15876 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15879 snprintf(buf, MSG_SIZ, "st %d\n", st);
15882 /* Set conventional or incremental time control, using level command */
15883 if (seconds == 0) {
15884 /* Note old gnuchess bug -- minutes:seconds used to not work.
15885 Fixed in later versions, but still avoid :seconds
15886 when seconds is 0. */
15887 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15889 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15890 seconds, inc/1000.);
15893 SendToProgram(buf, cps);
15895 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15896 /* Orthogonally, limit search to given depth */
15898 if (cps->sdKludge) {
15899 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15901 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15903 SendToProgram(buf, cps);
15906 if(cps->nps >= 0) { /* [HGM] nps */
15907 if(cps->supportsNPS == FALSE)
15908 cps->nps = -1; // don't use if engine explicitly says not supported!
15910 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15911 SendToProgram(buf, cps);
15916 ChessProgramState *
15918 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15920 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15921 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15927 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15929 char message[MSG_SIZ];
15932 /* Note: this routine must be called when the clocks are stopped
15933 or when they have *just* been set or switched; otherwise
15934 it will be off by the time since the current tick started.
15936 if (machineWhite) {
15937 time = whiteTimeRemaining / 10;
15938 otime = blackTimeRemaining / 10;
15940 time = blackTimeRemaining / 10;
15941 otime = whiteTimeRemaining / 10;
15943 /* [HGM] translate opponent's time by time-odds factor */
15944 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15946 if (time <= 0) time = 1;
15947 if (otime <= 0) otime = 1;
15949 snprintf(message, MSG_SIZ, "time %ld\n", time);
15950 SendToProgram(message, cps);
15952 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15953 SendToProgram(message, cps);
15957 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15960 int len = strlen(name);
15963 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15965 sscanf(*p, "%d", &val);
15967 while (**p && **p != ' ')
15969 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15970 SendToProgram(buf, cps);
15977 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15980 int len = strlen(name);
15981 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15983 sscanf(*p, "%d", loc);
15984 while (**p && **p != ' ') (*p)++;
15985 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15986 SendToProgram(buf, cps);
15993 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
15996 int len = strlen(name);
15997 if (strncmp((*p), name, len) == 0
15998 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16000 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16001 sscanf(*p, "%[^\"]", *loc);
16002 while (**p && **p != '\"') (*p)++;
16003 if (**p == '\"') (*p)++;
16004 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16005 SendToProgram(buf, cps);
16012 ParseOption (Option *opt, ChessProgramState *cps)
16013 // [HGM] options: process the string that defines an engine option, and determine
16014 // name, type, default value, and allowed value range
16016 char *p, *q, buf[MSG_SIZ];
16017 int n, min = (-1)<<31, max = 1<<31, def;
16019 if(p = strstr(opt->name, " -spin ")) {
16020 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16021 if(max < min) max = min; // enforce consistency
16022 if(def < min) def = min;
16023 if(def > max) def = max;
16028 } else if((p = strstr(opt->name, " -slider "))) {
16029 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16030 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16031 if(max < min) max = min; // enforce consistency
16032 if(def < min) def = min;
16033 if(def > max) def = max;
16037 opt->type = Spin; // Slider;
16038 } else if((p = strstr(opt->name, " -string "))) {
16039 opt->textValue = p+9;
16040 opt->type = TextBox;
16041 } else if((p = strstr(opt->name, " -file "))) {
16042 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16043 opt->textValue = p+7;
16044 opt->type = FileName; // FileName;
16045 } else if((p = strstr(opt->name, " -path "))) {
16046 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16047 opt->textValue = p+7;
16048 opt->type = PathName; // PathName;
16049 } else if(p = strstr(opt->name, " -check ")) {
16050 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16051 opt->value = (def != 0);
16052 opt->type = CheckBox;
16053 } else if(p = strstr(opt->name, " -combo ")) {
16054 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16055 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16056 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16057 opt->value = n = 0;
16058 while(q = StrStr(q, " /// ")) {
16059 n++; *q = 0; // count choices, and null-terminate each of them
16061 if(*q == '*') { // remember default, which is marked with * prefix
16065 cps->comboList[cps->comboCnt++] = q;
16067 cps->comboList[cps->comboCnt++] = NULL;
16069 opt->type = ComboBox;
16070 } else if(p = strstr(opt->name, " -button")) {
16071 opt->type = Button;
16072 } else if(p = strstr(opt->name, " -save")) {
16073 opt->type = SaveButton;
16074 } else return FALSE;
16075 *p = 0; // terminate option name
16076 // now look if the command-line options define a setting for this engine option.
16077 if(cps->optionSettings && cps->optionSettings[0])
16078 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16079 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16080 snprintf(buf, MSG_SIZ, "option %s", p);
16081 if(p = strstr(buf, ",")) *p = 0;
16082 if(q = strchr(buf, '=')) switch(opt->type) {
16084 for(n=0; n<opt->max; n++)
16085 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16088 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16092 opt->value = atoi(q+1);
16097 SendToProgram(buf, cps);
16103 FeatureDone (ChessProgramState *cps, int val)
16105 DelayedEventCallback cb = GetDelayedEvent();
16106 if ((cb == InitBackEnd3 && cps == &first) ||
16107 (cb == SettingsMenuIfReady && cps == &second) ||
16108 (cb == LoadEngine) ||
16109 (cb == TwoMachinesEventIfReady)) {
16110 CancelDelayedEvent();
16111 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16113 cps->initDone = val;
16114 if(val) cps->reload = FALSE;
16117 /* Parse feature command from engine */
16119 ParseFeatures (char *args, ChessProgramState *cps)
16127 while (*p == ' ') p++;
16128 if (*p == NULLCHAR) return;
16130 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16131 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16132 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16133 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16134 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16135 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16136 if (BoolFeature(&p, "reuse", &val, cps)) {
16137 /* Engine can disable reuse, but can't enable it if user said no */
16138 if (!val) cps->reuse = FALSE;
16141 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16142 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16143 if (gameMode == TwoMachinesPlay) {
16144 DisplayTwoMachinesTitle();
16150 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16151 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16152 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16153 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16154 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16155 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16156 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16157 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16158 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16159 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16160 if (IntFeature(&p, "done", &val, cps)) {
16161 FeatureDone(cps, val);
16164 /* Added by Tord: */
16165 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16166 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16167 /* End of additions by Tord */
16169 /* [HGM] added features: */
16170 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16171 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16172 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16173 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16174 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16175 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16176 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16177 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16178 FREE(cps->option[cps->nrOptions].name);
16179 cps->option[cps->nrOptions].name = q; q = NULL;
16180 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16181 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16182 SendToProgram(buf, cps);
16185 if(cps->nrOptions >= MAX_OPTIONS) {
16187 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16188 DisplayError(buf, 0);
16192 /* End of additions by HGM */
16194 /* unknown feature: complain and skip */
16196 while (*q && *q != '=') q++;
16197 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16198 SendToProgram(buf, cps);
16204 while (*p && *p != '\"') p++;
16205 if (*p == '\"') p++;
16207 while (*p && *p != ' ') p++;
16215 PeriodicUpdatesEvent (int newState)
16217 if (newState == appData.periodicUpdates)
16220 appData.periodicUpdates=newState;
16222 /* Display type changes, so update it now */
16223 // DisplayAnalysis();
16225 /* Get the ball rolling again... */
16227 AnalysisPeriodicEvent(1);
16228 StartAnalysisClock();
16233 PonderNextMoveEvent (int newState)
16235 if (newState == appData.ponderNextMove) return;
16236 if (gameMode == EditPosition) EditPositionDone(TRUE);
16238 SendToProgram("hard\n", &first);
16239 if (gameMode == TwoMachinesPlay) {
16240 SendToProgram("hard\n", &second);
16243 SendToProgram("easy\n", &first);
16244 thinkOutput[0] = NULLCHAR;
16245 if (gameMode == TwoMachinesPlay) {
16246 SendToProgram("easy\n", &second);
16249 appData.ponderNextMove = newState;
16253 NewSettingEvent (int option, int *feature, char *command, int value)
16257 if (gameMode == EditPosition) EditPositionDone(TRUE);
16258 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16259 if(feature == NULL || *feature) SendToProgram(buf, &first);
16260 if (gameMode == TwoMachinesPlay) {
16261 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16266 ShowThinkingEvent ()
16267 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16269 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16270 int newState = appData.showThinking
16271 // [HGM] thinking: other features now need thinking output as well
16272 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16274 if (oldState == newState) return;
16275 oldState = newState;
16276 if (gameMode == EditPosition) EditPositionDone(TRUE);
16278 SendToProgram("post\n", &first);
16279 if (gameMode == TwoMachinesPlay) {
16280 SendToProgram("post\n", &second);
16283 SendToProgram("nopost\n", &first);
16284 thinkOutput[0] = NULLCHAR;
16285 if (gameMode == TwoMachinesPlay) {
16286 SendToProgram("nopost\n", &second);
16289 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16293 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16295 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16296 if (pr == NoProc) return;
16297 AskQuestion(title, question, replyPrefix, pr);
16301 TypeInEvent (char firstChar)
16303 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16304 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16305 gameMode == AnalyzeMode || gameMode == EditGame ||
16306 gameMode == EditPosition || gameMode == IcsExamining ||
16307 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16308 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16309 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16310 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16311 gameMode == Training) PopUpMoveDialog(firstChar);
16315 TypeInDoneEvent (char *move)
16318 int n, fromX, fromY, toX, toY;
16320 ChessMove moveType;
16323 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16324 EditPositionPasteFEN(move);
16327 // [HGM] movenum: allow move number to be typed in any mode
16328 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16332 // undocumented kludge: allow command-line option to be typed in!
16333 // (potentially fatal, and does not implement the effect of the option.)
16334 // should only be used for options that are values on which future decisions will be made,
16335 // and definitely not on options that would be used during initialization.
16336 if(strstr(move, "!!! -") == move) {
16337 ParseArgsFromString(move+4);
16341 if (gameMode != EditGame && currentMove != forwardMostMove &&
16342 gameMode != Training) {
16343 DisplayMoveError(_("Displayed move is not current"));
16345 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16346 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16347 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16348 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16349 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16350 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16352 DisplayMoveError(_("Could not parse move"));
16358 DisplayMove (int moveNumber)
16360 char message[MSG_SIZ];
16362 char cpThinkOutput[MSG_SIZ];
16364 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16366 if (moveNumber == forwardMostMove - 1 ||
16367 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16369 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16371 if (strchr(cpThinkOutput, '\n')) {
16372 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16375 *cpThinkOutput = NULLCHAR;
16378 /* [AS] Hide thinking from human user */
16379 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16380 *cpThinkOutput = NULLCHAR;
16381 if( thinkOutput[0] != NULLCHAR ) {
16384 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16385 cpThinkOutput[i] = '.';
16387 cpThinkOutput[i] = NULLCHAR;
16388 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16392 if (moveNumber == forwardMostMove - 1 &&
16393 gameInfo.resultDetails != NULL) {
16394 if (gameInfo.resultDetails[0] == NULLCHAR) {
16395 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16397 snprintf(res, MSG_SIZ, " {%s} %s",
16398 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16404 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16405 DisplayMessage(res, cpThinkOutput);
16407 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16408 WhiteOnMove(moveNumber) ? " " : ".. ",
16409 parseList[moveNumber], res);
16410 DisplayMessage(message, cpThinkOutput);
16415 DisplayComment (int moveNumber, char *text)
16417 char title[MSG_SIZ];
16419 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16420 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16422 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16423 WhiteOnMove(moveNumber) ? " " : ".. ",
16424 parseList[moveNumber]);
16426 if (text != NULL && (appData.autoDisplayComment || commentUp))
16427 CommentPopUp(title, text);
16430 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16431 * might be busy thinking or pondering. It can be omitted if your
16432 * gnuchess is configured to stop thinking immediately on any user
16433 * input. However, that gnuchess feature depends on the FIONREAD
16434 * ioctl, which does not work properly on some flavors of Unix.
16437 Attention (ChessProgramState *cps)
16440 if (!cps->useSigint) return;
16441 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16442 switch (gameMode) {
16443 case MachinePlaysWhite:
16444 case MachinePlaysBlack:
16445 case TwoMachinesPlay:
16446 case IcsPlayingWhite:
16447 case IcsPlayingBlack:
16450 /* Skip if we know it isn't thinking */
16451 if (!cps->maybeThinking) return;
16452 if (appData.debugMode)
16453 fprintf(debugFP, "Interrupting %s\n", cps->which);
16454 InterruptChildProcess(cps->pr);
16455 cps->maybeThinking = FALSE;
16460 #endif /*ATTENTION*/
16466 if (whiteTimeRemaining <= 0) {
16469 if (appData.icsActive) {
16470 if (appData.autoCallFlag &&
16471 gameMode == IcsPlayingBlack && !blackFlag) {
16472 SendToICS(ics_prefix);
16473 SendToICS("flag\n");
16477 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16479 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16480 if (appData.autoCallFlag) {
16481 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16488 if (blackTimeRemaining <= 0) {
16491 if (appData.icsActive) {
16492 if (appData.autoCallFlag &&
16493 gameMode == IcsPlayingWhite && !whiteFlag) {
16494 SendToICS(ics_prefix);
16495 SendToICS("flag\n");
16499 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16501 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16502 if (appData.autoCallFlag) {
16503 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16514 CheckTimeControl ()
16516 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16517 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16520 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16522 if ( !WhiteOnMove(forwardMostMove) ) {
16523 /* White made time control */
16524 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16525 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16526 /* [HGM] time odds: correct new time quota for time odds! */
16527 / WhitePlayer()->timeOdds;
16528 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16530 lastBlack -= blackTimeRemaining;
16531 /* Black made time control */
16532 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16533 / WhitePlayer()->other->timeOdds;
16534 lastWhite = whiteTimeRemaining;
16539 DisplayBothClocks ()
16541 int wom = gameMode == EditPosition ?
16542 !blackPlaysFirst : WhiteOnMove(currentMove);
16543 DisplayWhiteClock(whiteTimeRemaining, wom);
16544 DisplayBlackClock(blackTimeRemaining, !wom);
16548 /* Timekeeping seems to be a portability nightmare. I think everyone
16549 has ftime(), but I'm really not sure, so I'm including some ifdefs
16550 to use other calls if you don't. Clocks will be less accurate if
16551 you have neither ftime nor gettimeofday.
16554 /* VS 2008 requires the #include outside of the function */
16555 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16556 #include <sys/timeb.h>
16559 /* Get the current time as a TimeMark */
16561 GetTimeMark (TimeMark *tm)
16563 #if HAVE_GETTIMEOFDAY
16565 struct timeval timeVal;
16566 struct timezone timeZone;
16568 gettimeofday(&timeVal, &timeZone);
16569 tm->sec = (long) timeVal.tv_sec;
16570 tm->ms = (int) (timeVal.tv_usec / 1000L);
16572 #else /*!HAVE_GETTIMEOFDAY*/
16575 // include <sys/timeb.h> / moved to just above start of function
16576 struct timeb timeB;
16579 tm->sec = (long) timeB.time;
16580 tm->ms = (int) timeB.millitm;
16582 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16583 tm->sec = (long) time(NULL);
16589 /* Return the difference in milliseconds between two
16590 time marks. We assume the difference will fit in a long!
16593 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16595 return 1000L*(tm2->sec - tm1->sec) +
16596 (long) (tm2->ms - tm1->ms);
16601 * Code to manage the game clocks.
16603 * In tournament play, black starts the clock and then white makes a move.
16604 * We give the human user a slight advantage if he is playing white---the
16605 * clocks don't run until he makes his first move, so it takes zero time.
16606 * Also, we don't account for network lag, so we could get out of sync
16607 * with GNU Chess's clock -- but then, referees are always right.
16610 static TimeMark tickStartTM;
16611 static long intendedTickLength;
16614 NextTickLength (long timeRemaining)
16616 long nominalTickLength, nextTickLength;
16618 if (timeRemaining > 0L && timeRemaining <= 10000L)
16619 nominalTickLength = 100L;
16621 nominalTickLength = 1000L;
16622 nextTickLength = timeRemaining % nominalTickLength;
16623 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16625 return nextTickLength;
16628 /* Adjust clock one minute up or down */
16630 AdjustClock (Boolean which, int dir)
16632 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16633 if(which) blackTimeRemaining += 60000*dir;
16634 else whiteTimeRemaining += 60000*dir;
16635 DisplayBothClocks();
16636 adjustedClock = TRUE;
16639 /* Stop clocks and reset to a fresh time control */
16643 (void) StopClockTimer();
16644 if (appData.icsActive) {
16645 whiteTimeRemaining = blackTimeRemaining = 0;
16646 } else if (searchTime) {
16647 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16648 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16649 } else { /* [HGM] correct new time quote for time odds */
16650 whiteTC = blackTC = fullTimeControlString;
16651 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16652 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16654 if (whiteFlag || blackFlag) {
16656 whiteFlag = blackFlag = FALSE;
16658 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16659 DisplayBothClocks();
16660 adjustedClock = FALSE;
16663 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16665 /* Decrement running clock by amount of time that has passed */
16669 long timeRemaining;
16670 long lastTickLength, fudge;
16673 if (!appData.clockMode) return;
16674 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16678 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16680 /* Fudge if we woke up a little too soon */
16681 fudge = intendedTickLength - lastTickLength;
16682 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16684 if (WhiteOnMove(forwardMostMove)) {
16685 if(whiteNPS >= 0) lastTickLength = 0;
16686 timeRemaining = whiteTimeRemaining -= lastTickLength;
16687 if(timeRemaining < 0 && !appData.icsActive) {
16688 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16689 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16690 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16691 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16694 DisplayWhiteClock(whiteTimeRemaining - fudge,
16695 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16697 if(blackNPS >= 0) lastTickLength = 0;
16698 timeRemaining = blackTimeRemaining -= lastTickLength;
16699 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16700 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16702 blackStartMove = forwardMostMove;
16703 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16706 DisplayBlackClock(blackTimeRemaining - fudge,
16707 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16709 if (CheckFlags()) return;
16711 if(twoBoards) { // count down secondary board's clocks as well
16712 activePartnerTime -= lastTickLength;
16714 if(activePartner == 'W')
16715 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16717 DisplayBlackClock(activePartnerTime, TRUE);
16722 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16723 StartClockTimer(intendedTickLength);
16725 /* if the time remaining has fallen below the alarm threshold, sound the
16726 * alarm. if the alarm has sounded and (due to a takeback or time control
16727 * with increment) the time remaining has increased to a level above the
16728 * threshold, reset the alarm so it can sound again.
16731 if (appData.icsActive && appData.icsAlarm) {
16733 /* make sure we are dealing with the user's clock */
16734 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16735 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16738 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16739 alarmSounded = FALSE;
16740 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16742 alarmSounded = TRUE;
16748 /* A player has just moved, so stop the previously running
16749 clock and (if in clock mode) start the other one.
16750 We redisplay both clocks in case we're in ICS mode, because
16751 ICS gives us an update to both clocks after every move.
16752 Note that this routine is called *after* forwardMostMove
16753 is updated, so the last fractional tick must be subtracted
16754 from the color that is *not* on move now.
16757 SwitchClocks (int newMoveNr)
16759 long lastTickLength;
16761 int flagged = FALSE;
16765 if (StopClockTimer() && appData.clockMode) {
16766 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16767 if (!WhiteOnMove(forwardMostMove)) {
16768 if(blackNPS >= 0) lastTickLength = 0;
16769 blackTimeRemaining -= lastTickLength;
16770 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16771 // if(pvInfoList[forwardMostMove].time == -1)
16772 pvInfoList[forwardMostMove].time = // use GUI time
16773 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16775 if(whiteNPS >= 0) lastTickLength = 0;
16776 whiteTimeRemaining -= lastTickLength;
16777 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16778 // if(pvInfoList[forwardMostMove].time == -1)
16779 pvInfoList[forwardMostMove].time =
16780 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16782 flagged = CheckFlags();
16784 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16785 CheckTimeControl();
16787 if (flagged || !appData.clockMode) return;
16789 switch (gameMode) {
16790 case MachinePlaysBlack:
16791 case MachinePlaysWhite:
16792 case BeginningOfGame:
16793 if (pausing) return;
16797 case PlayFromGameFile:
16805 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16806 if(WhiteOnMove(forwardMostMove))
16807 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16808 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16812 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16813 whiteTimeRemaining : blackTimeRemaining);
16814 StartClockTimer(intendedTickLength);
16818 /* Stop both clocks */
16822 long lastTickLength;
16825 if (!StopClockTimer()) return;
16826 if (!appData.clockMode) return;
16830 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16831 if (WhiteOnMove(forwardMostMove)) {
16832 if(whiteNPS >= 0) lastTickLength = 0;
16833 whiteTimeRemaining -= lastTickLength;
16834 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16836 if(blackNPS >= 0) lastTickLength = 0;
16837 blackTimeRemaining -= lastTickLength;
16838 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16843 /* Start clock of player on move. Time may have been reset, so
16844 if clock is already running, stop and restart it. */
16848 (void) StopClockTimer(); /* in case it was running already */
16849 DisplayBothClocks();
16850 if (CheckFlags()) return;
16852 if (!appData.clockMode) return;
16853 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16855 GetTimeMark(&tickStartTM);
16856 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16857 whiteTimeRemaining : blackTimeRemaining);
16859 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16860 whiteNPS = blackNPS = -1;
16861 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16862 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16863 whiteNPS = first.nps;
16864 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16865 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16866 blackNPS = first.nps;
16867 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16868 whiteNPS = second.nps;
16869 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16870 blackNPS = second.nps;
16871 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16873 StartClockTimer(intendedTickLength);
16877 TimeString (long ms)
16879 long second, minute, hour, day;
16881 static char buf[32];
16883 if (ms > 0 && ms <= 9900) {
16884 /* convert milliseconds to tenths, rounding up */
16885 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16887 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16891 /* convert milliseconds to seconds, rounding up */
16892 /* use floating point to avoid strangeness of integer division
16893 with negative dividends on many machines */
16894 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16901 day = second / (60 * 60 * 24);
16902 second = second % (60 * 60 * 24);
16903 hour = second / (60 * 60);
16904 second = second % (60 * 60);
16905 minute = second / 60;
16906 second = second % 60;
16909 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16910 sign, day, hour, minute, second);
16912 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16914 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16921 * This is necessary because some C libraries aren't ANSI C compliant yet.
16924 StrStr (char *string, char *match)
16928 length = strlen(match);
16930 for (i = strlen(string) - length; i >= 0; i--, string++)
16931 if (!strncmp(match, string, length))
16938 StrCaseStr (char *string, char *match)
16942 length = strlen(match);
16944 for (i = strlen(string) - length; i >= 0; i--, string++) {
16945 for (j = 0; j < length; j++) {
16946 if (ToLower(match[j]) != ToLower(string[j]))
16949 if (j == length) return string;
16957 StrCaseCmp (char *s1, char *s2)
16962 c1 = ToLower(*s1++);
16963 c2 = ToLower(*s2++);
16964 if (c1 > c2) return 1;
16965 if (c1 < c2) return -1;
16966 if (c1 == NULLCHAR) return 0;
16974 return isupper(c) ? tolower(c) : c;
16981 return islower(c) ? toupper(c) : c;
16983 #endif /* !_amigados */
16990 if ((ret = (char *) malloc(strlen(s) + 1)))
16992 safeStrCpy(ret, s, strlen(s)+1);
16998 StrSavePtr (char *s, char **savePtr)
17003 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17004 safeStrCpy(*savePtr, s, strlen(s)+1);
17016 clock = time((time_t *)NULL);
17017 tm = localtime(&clock);
17018 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17019 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17020 return StrSave(buf);
17025 PositionToFEN (int move, char *overrideCastling)
17027 int i, j, fromX, fromY, toX, toY;
17034 whiteToPlay = (gameMode == EditPosition) ?
17035 !blackPlaysFirst : (move % 2 == 0);
17038 /* Piece placement data */
17039 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17040 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17042 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17043 if (boards[move][i][j] == EmptySquare) {
17045 } else { ChessSquare piece = boards[move][i][j];
17046 if (emptycount > 0) {
17047 if(emptycount<10) /* [HGM] can be >= 10 */
17048 *p++ = '0' + emptycount;
17049 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17052 if(PieceToChar(piece) == '+') {
17053 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17055 piece = (ChessSquare)(DEMOTED piece);
17057 *p++ = PieceToChar(piece);
17059 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17060 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17065 if (emptycount > 0) {
17066 if(emptycount<10) /* [HGM] can be >= 10 */
17067 *p++ = '0' + emptycount;
17068 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17075 /* [HGM] print Crazyhouse or Shogi holdings */
17076 if( gameInfo.holdingsWidth ) {
17077 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17079 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17080 piece = boards[move][i][BOARD_WIDTH-1];
17081 if( piece != EmptySquare )
17082 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17083 *p++ = PieceToChar(piece);
17085 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17086 piece = boards[move][BOARD_HEIGHT-i-1][0];
17087 if( piece != EmptySquare )
17088 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17089 *p++ = PieceToChar(piece);
17092 if( q == p ) *p++ = '-';
17098 *p++ = whiteToPlay ? 'w' : 'b';
17101 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17102 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17104 if(nrCastlingRights) {
17106 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17107 /* [HGM] write directly from rights */
17108 if(boards[move][CASTLING][2] != NoRights &&
17109 boards[move][CASTLING][0] != NoRights )
17110 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17111 if(boards[move][CASTLING][2] != NoRights &&
17112 boards[move][CASTLING][1] != NoRights )
17113 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17114 if(boards[move][CASTLING][5] != NoRights &&
17115 boards[move][CASTLING][3] != NoRights )
17116 *p++ = boards[move][CASTLING][3] + AAA;
17117 if(boards[move][CASTLING][5] != NoRights &&
17118 boards[move][CASTLING][4] != NoRights )
17119 *p++ = boards[move][CASTLING][4] + AAA;
17122 /* [HGM] write true castling rights */
17123 if( nrCastlingRights == 6 ) {
17125 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17126 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17127 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17128 boards[move][CASTLING][2] != NoRights );
17129 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17130 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17131 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17132 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17133 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17137 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17138 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17139 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17140 boards[move][CASTLING][5] != NoRights );
17141 if(gameInfo.variant == VariantSChess) {
17142 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17143 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17144 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17145 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17150 if (q == p) *p++ = '-'; /* No castling rights */
17154 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17155 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17156 /* En passant target square */
17157 if (move > backwardMostMove) {
17158 fromX = moveList[move - 1][0] - AAA;
17159 fromY = moveList[move - 1][1] - ONE;
17160 toX = moveList[move - 1][2] - AAA;
17161 toY = moveList[move - 1][3] - ONE;
17162 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17163 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17164 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17166 /* 2-square pawn move just happened */
17168 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17172 } else if(move == backwardMostMove) {
17173 // [HGM] perhaps we should always do it like this, and forget the above?
17174 if((signed char)boards[move][EP_STATUS] >= 0) {
17175 *p++ = boards[move][EP_STATUS] + AAA;
17176 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17187 /* [HGM] find reversible plies */
17188 { int i = 0, j=move;
17190 if (appData.debugMode) { int k;
17191 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17192 for(k=backwardMostMove; k<=forwardMostMove; k++)
17193 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17197 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17198 if( j == backwardMostMove ) i += initialRulePlies;
17199 sprintf(p, "%d ", i);
17200 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17202 /* Fullmove number */
17203 sprintf(p, "%d", (move / 2) + 1);
17205 return StrSave(buf);
17209 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17213 int emptycount, virgin[BOARD_FILES];
17218 /* [HGM] by default clear Crazyhouse holdings, if present */
17219 if(gameInfo.holdingsWidth) {
17220 for(i=0; i<BOARD_HEIGHT; i++) {
17221 board[i][0] = EmptySquare; /* black holdings */
17222 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17223 board[i][1] = (ChessSquare) 0; /* black counts */
17224 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17228 /* Piece placement data */
17229 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17232 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17233 if (*p == '/') p++;
17234 emptycount = gameInfo.boardWidth - j;
17235 while (emptycount--)
17236 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17238 #if(BOARD_FILES >= 10)
17239 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17240 p++; emptycount=10;
17241 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17242 while (emptycount--)
17243 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17245 } else if (isdigit(*p)) {
17246 emptycount = *p++ - '0';
17247 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17248 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17249 while (emptycount--)
17250 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17251 } else if (*p == '+' || isalpha(*p)) {
17252 if (j >= gameInfo.boardWidth) return FALSE;
17254 piece = CharToPiece(*++p);
17255 if(piece == EmptySquare) return FALSE; /* unknown piece */
17256 piece = (ChessSquare) (PROMOTED piece ); p++;
17257 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17258 } else piece = CharToPiece(*p++);
17260 if(piece==EmptySquare) return FALSE; /* unknown piece */
17261 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17262 piece = (ChessSquare) (PROMOTED piece);
17263 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17266 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17272 while (*p == '/' || *p == ' ') p++;
17274 /* [HGM] look for Crazyhouse holdings here */
17275 while(*p==' ') p++;
17276 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17278 if(*p == '-' ) p++; /* empty holdings */ else {
17279 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17280 /* if we would allow FEN reading to set board size, we would */
17281 /* have to add holdings and shift the board read so far here */
17282 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17284 if((int) piece >= (int) BlackPawn ) {
17285 i = (int)piece - (int)BlackPawn;
17286 i = PieceToNumber((ChessSquare)i);
17287 if( i >= gameInfo.holdingsSize ) return FALSE;
17288 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17289 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17291 i = (int)piece - (int)WhitePawn;
17292 i = PieceToNumber((ChessSquare)i);
17293 if( i >= gameInfo.holdingsSize ) return FALSE;
17294 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17295 board[i][BOARD_WIDTH-2]++; /* black holdings */
17302 while(*p == ' ') p++;
17306 if(appData.colorNickNames) {
17307 if( c == appData.colorNickNames[0] ) c = 'w'; else
17308 if( c == appData.colorNickNames[1] ) c = 'b';
17312 *blackPlaysFirst = FALSE;
17315 *blackPlaysFirst = TRUE;
17321 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17322 /* return the extra info in global variiables */
17324 /* set defaults in case FEN is incomplete */
17325 board[EP_STATUS] = EP_UNKNOWN;
17326 for(i=0; i<nrCastlingRights; i++ ) {
17327 board[CASTLING][i] =
17328 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17329 } /* assume possible unless obviously impossible */
17330 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17331 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17332 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17333 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17334 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17335 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17336 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17337 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17340 while(*p==' ') p++;
17341 if(nrCastlingRights) {
17342 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17343 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17344 /* castling indicator present, so default becomes no castlings */
17345 for(i=0; i<nrCastlingRights; i++ ) {
17346 board[CASTLING][i] = NoRights;
17349 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17350 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17351 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17352 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17353 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17355 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17356 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17357 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17359 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17360 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17361 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17362 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17363 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17364 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17367 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17368 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17369 board[CASTLING][2] = whiteKingFile;
17370 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17371 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17374 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17375 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17376 board[CASTLING][2] = whiteKingFile;
17377 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17378 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17381 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17382 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17383 board[CASTLING][5] = blackKingFile;
17384 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17385 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17388 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17389 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17390 board[CASTLING][5] = blackKingFile;
17391 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17392 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17395 default: /* FRC castlings */
17396 if(c >= 'a') { /* black rights */
17397 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17398 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17399 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17400 if(i == BOARD_RGHT) break;
17401 board[CASTLING][5] = i;
17403 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17404 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17406 board[CASTLING][3] = c;
17408 board[CASTLING][4] = c;
17409 } else { /* white rights */
17410 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17411 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17412 if(board[0][i] == WhiteKing) break;
17413 if(i == BOARD_RGHT) break;
17414 board[CASTLING][2] = i;
17415 c -= AAA - 'a' + 'A';
17416 if(board[0][c] >= WhiteKing) break;
17418 board[CASTLING][0] = c;
17420 board[CASTLING][1] = c;
17424 for(i=0; i<nrCastlingRights; i++)
17425 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17426 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17427 if (appData.debugMode) {
17428 fprintf(debugFP, "FEN castling rights:");
17429 for(i=0; i<nrCastlingRights; i++)
17430 fprintf(debugFP, " %d", board[CASTLING][i]);
17431 fprintf(debugFP, "\n");
17434 while(*p==' ') p++;
17437 /* read e.p. field in games that know e.p. capture */
17438 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17439 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17441 p++; board[EP_STATUS] = EP_NONE;
17443 char c = *p++ - AAA;
17445 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17446 if(*p >= '0' && *p <='9') p++;
17447 board[EP_STATUS] = c;
17452 if(sscanf(p, "%d", &i) == 1) {
17453 FENrulePlies = i; /* 50-move ply counter */
17454 /* (The move number is still ignored) */
17461 EditPositionPasteFEN (char *fen)
17464 Board initial_position;
17466 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17467 DisplayError(_("Bad FEN position in clipboard"), 0);
17470 int savedBlackPlaysFirst = blackPlaysFirst;
17471 EditPositionEvent();
17472 blackPlaysFirst = savedBlackPlaysFirst;
17473 CopyBoard(boards[0], initial_position);
17474 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17475 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17476 DisplayBothClocks();
17477 DrawPosition(FALSE, boards[currentMove]);
17482 static char cseq[12] = "\\ ";
17485 set_cont_sequence (char *new_seq)
17490 // handle bad attempts to set the sequence
17492 return 0; // acceptable error - no debug
17494 len = strlen(new_seq);
17495 ret = (len > 0) && (len < sizeof(cseq));
17497 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17498 else if (appData.debugMode)
17499 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17504 reformat a source message so words don't cross the width boundary. internal
17505 newlines are not removed. returns the wrapped size (no null character unless
17506 included in source message). If dest is NULL, only calculate the size required
17507 for the dest buffer. lp argument indicats line position upon entry, and it's
17508 passed back upon exit.
17511 wrap (char *dest, char *src, int count, int width, int *lp)
17513 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17515 cseq_len = strlen(cseq);
17516 old_line = line = *lp;
17517 ansi = len = clen = 0;
17519 for (i=0; i < count; i++)
17521 if (src[i] == '\033')
17524 // if we hit the width, back up
17525 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17527 // store i & len in case the word is too long
17528 old_i = i, old_len = len;
17530 // find the end of the last word
17531 while (i && src[i] != ' ' && src[i] != '\n')
17537 // word too long? restore i & len before splitting it
17538 if ((old_i-i+clen) >= width)
17545 if (i && src[i-1] == ' ')
17548 if (src[i] != ' ' && src[i] != '\n')
17555 // now append the newline and continuation sequence
17560 strncpy(dest+len, cseq, cseq_len);
17568 dest[len] = src[i];
17572 if (src[i] == '\n')
17577 if (dest && appData.debugMode)
17579 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17580 count, width, line, len, *lp);
17581 show_bytes(debugFP, src, count);
17582 fprintf(debugFP, "\ndest: ");
17583 show_bytes(debugFP, dest, len);
17584 fprintf(debugFP, "\n");
17586 *lp = dest ? line : old_line;
17591 // [HGM] vari: routines for shelving variations
17592 Boolean modeRestore = FALSE;
17595 PushInner (int firstMove, int lastMove)
17597 int i, j, nrMoves = lastMove - firstMove;
17599 // push current tail of game on stack
17600 savedResult[storedGames] = gameInfo.result;
17601 savedDetails[storedGames] = gameInfo.resultDetails;
17602 gameInfo.resultDetails = NULL;
17603 savedFirst[storedGames] = firstMove;
17604 savedLast [storedGames] = lastMove;
17605 savedFramePtr[storedGames] = framePtr;
17606 framePtr -= nrMoves; // reserve space for the boards
17607 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17608 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17609 for(j=0; j<MOVE_LEN; j++)
17610 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17611 for(j=0; j<2*MOVE_LEN; j++)
17612 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17613 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17614 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17615 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17616 pvInfoList[firstMove+i-1].depth = 0;
17617 commentList[framePtr+i] = commentList[firstMove+i];
17618 commentList[firstMove+i] = NULL;
17622 forwardMostMove = firstMove; // truncate game so we can start variation
17626 PushTail (int firstMove, int lastMove)
17628 if(appData.icsActive) { // only in local mode
17629 forwardMostMove = currentMove; // mimic old ICS behavior
17632 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17634 PushInner(firstMove, lastMove);
17635 if(storedGames == 1) GreyRevert(FALSE);
17636 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17640 PopInner (Boolean annotate)
17643 char buf[8000], moveBuf[20];
17645 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17646 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17647 nrMoves = savedLast[storedGames] - currentMove;
17650 if(!WhiteOnMove(currentMove))
17651 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17652 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17653 for(i=currentMove; i<forwardMostMove; i++) {
17655 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17656 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17657 strcat(buf, moveBuf);
17658 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17659 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17663 for(i=1; i<=nrMoves; i++) { // copy last variation back
17664 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17665 for(j=0; j<MOVE_LEN; j++)
17666 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17667 for(j=0; j<2*MOVE_LEN; j++)
17668 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17669 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17670 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17671 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17672 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17673 commentList[currentMove+i] = commentList[framePtr+i];
17674 commentList[framePtr+i] = NULL;
17676 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17677 framePtr = savedFramePtr[storedGames];
17678 gameInfo.result = savedResult[storedGames];
17679 if(gameInfo.resultDetails != NULL) {
17680 free(gameInfo.resultDetails);
17682 gameInfo.resultDetails = savedDetails[storedGames];
17683 forwardMostMove = currentMove + nrMoves;
17687 PopTail (Boolean annotate)
17689 if(appData.icsActive) return FALSE; // only in local mode
17690 if(!storedGames) return FALSE; // sanity
17691 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17693 PopInner(annotate);
17694 if(currentMove < forwardMostMove) ForwardEvent(); else
17695 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17697 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17703 { // remove all shelved variations
17705 for(i=0; i<storedGames; i++) {
17706 if(savedDetails[i])
17707 free(savedDetails[i]);
17708 savedDetails[i] = NULL;
17710 for(i=framePtr; i<MAX_MOVES; i++) {
17711 if(commentList[i]) free(commentList[i]);
17712 commentList[i] = NULL;
17714 framePtr = MAX_MOVES-1;
17719 LoadVariation (int index, char *text)
17720 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17721 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17722 int level = 0, move;
17724 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17725 // first find outermost bracketing variation
17726 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17727 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17728 if(*p == '{') wait = '}'; else
17729 if(*p == '[') wait = ']'; else
17730 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17731 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17733 if(*p == wait) wait = NULLCHAR; // closing ]} found
17736 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17737 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17738 end[1] = NULLCHAR; // clip off comment beyond variation
17739 ToNrEvent(currentMove-1);
17740 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17741 // kludge: use ParsePV() to append variation to game
17742 move = currentMove;
17743 ParsePV(start, TRUE, TRUE);
17744 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17745 ClearPremoveHighlights();
17747 ToNrEvent(currentMove+1);
17753 char *p, *q, buf[MSG_SIZ];
17754 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17755 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17756 ParseArgsFromString(buf);
17757 ActivateTheme(TRUE); // also redo colors
17761 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17764 q = appData.themeNames;
17765 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17766 if(appData.useBitmaps) {
17767 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17768 appData.liteBackTextureFile, appData.darkBackTextureFile,
17769 appData.liteBackTextureMode,
17770 appData.darkBackTextureMode );
17772 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17773 Col2Text(2), // lightSquareColor
17774 Col2Text(3) ); // darkSquareColor
17776 if(appData.useBorder) {
17777 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17780 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17782 if(appData.useFont) {
17783 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17784 appData.renderPiecesWithFont,
17785 appData.fontToPieceTable,
17786 Col2Text(9), // appData.fontBackColorWhite
17787 Col2Text(10) ); // appData.fontForeColorBlack
17789 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17790 appData.pieceDirectory);
17791 if(!appData.pieceDirectory[0])
17792 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17793 Col2Text(0), // whitePieceColor
17794 Col2Text(1) ); // blackPieceColor
17796 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17797 Col2Text(4), // highlightSquareColor
17798 Col2Text(5) ); // premoveHighlightColor
17799 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17800 if(insert != q) insert[-1] = NULLCHAR;
17801 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17804 ActivateTheme(FALSE);