2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
60 int flock(int f, int code);
66 #define DoSleep( n ) if( (n) >= 0) sleep(n)
77 #include <sys/types.h>
86 #else /* not STDC_HEADERS */
89 # else /* not HAVE_STRING_H */
91 # endif /* not HAVE_STRING_H */
92 #endif /* not STDC_HEADERS */
95 # include <sys/fcntl.h>
96 #else /* not HAVE_SYS_FCNTL_H */
99 # endif /* HAVE_FCNTL_H */
100 #endif /* not HAVE_SYS_FCNTL_H */
102 #if TIME_WITH_SYS_TIME
103 # include <sys/time.h>
107 # include <sys/time.h>
113 #if defined(_amigados) && !defined(__GNUC__)
118 extern int gettimeofday(struct timeval *, struct timezone *);
126 #include "frontend.h"
133 #include "backendz.h"
137 # define _(s) gettext (s)
138 # define N_(s) gettext_noop (s)
139 # define T_(s) gettext(s)
152 /* A point in time */
154 long sec; /* Assuming this is >= 32 bits */
155 int ms; /* Assuming this is >= 16 bits */
158 int establish P((void));
159 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
160 char *buf, int count, int error));
161 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
162 char *buf, int count, int error));
163 void ics_printf P((char *format, ...));
164 void SendToICS P((char *s));
165 void SendToICSDelayed P((char *s, long msdelay));
166 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
167 void HandleMachineMove P((char *message, ChessProgramState *cps));
168 int AutoPlayOneMove P((void));
169 int LoadGameOneMove P((ChessMove readAhead));
170 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
171 int LoadPositionFromFile P((char *filename, int n, char *title));
172 int SavePositionToFile P((char *filename));
173 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
175 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
176 void ShowMove P((int fromX, int fromY, int toX, int toY));
177 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
178 /*char*/int promoChar));
179 void BackwardInner P((int target));
180 void ForwardInner P((int target));
181 int Adjudicate P((ChessProgramState *cps));
182 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
183 void EditPositionDone P((Boolean fakeRights));
184 void PrintOpponents P((FILE *fp));
185 void PrintPosition P((FILE *fp, int move));
186 void StartChessProgram P((ChessProgramState *cps));
187 void SendToProgram P((char *message, ChessProgramState *cps));
188 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
189 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
190 char *buf, int count, int error));
191 void SendTimeControl P((ChessProgramState *cps,
192 int mps, long tc, int inc, int sd, int st));
193 char *TimeControlTagValue P((void));
194 void Attention P((ChessProgramState *cps));
195 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
196 int ResurrectChessProgram P((void));
197 void DisplayComment P((int moveNumber, char *text));
198 void DisplayMove P((int moveNumber));
200 void ParseGameHistory P((char *game));
201 void ParseBoard12 P((char *string));
202 void KeepAlive P((void));
203 void StartClocks P((void));
204 void SwitchClocks P((int nr));
205 void StopClocks P((void));
206 void ResetClocks P((void));
207 char *PGNDate P((void));
208 void SetGameInfo P((void));
209 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
210 int RegisterMove P((void));
211 void MakeRegisteredMove P((void));
212 void TruncateGame P((void));
213 int looking_at P((char *, int *, char *));
214 void CopyPlayerNameIntoFileName P((char **, char *));
215 char *SavePart P((char *));
216 int SaveGameOldStyle P((FILE *));
217 int SaveGamePGN P((FILE *));
218 void GetTimeMark P((TimeMark *));
219 long SubtractTimeMarks P((TimeMark *, TimeMark *));
220 int CheckFlags P((void));
221 long NextTickLength P((long));
222 void CheckTimeControl P((void));
223 void show_bytes P((FILE *, char *, int));
224 int string_to_rating P((char *str));
225 void ParseFeatures P((char* args, ChessProgramState *cps));
226 void InitBackEnd3 P((void));
227 void FeatureDone P((ChessProgramState* cps, int val));
228 void InitChessProgram P((ChessProgramState *cps, int setup));
229 void OutputKibitz(int window, char *text);
230 int PerpetualChase(int first, int last);
231 int EngineOutputIsUp();
232 void InitDrawingSizes(int x, int y);
233 void NextMatchGame P((void));
234 int NextTourneyGame P((int nr, int *swap));
235 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
238 extern void ConsoleCreate();
241 ChessProgramState *WhitePlayer();
242 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
243 int VerifyDisplayMode P(());
245 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
246 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
247 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
248 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
249 void ics_update_width P((int new_width));
250 extern char installDir[MSG_SIZ];
251 VariantClass startVariant; /* [HGM] nicks: initial variant */
254 extern int tinyLayout, smallLayout;
255 ChessProgramStats programStats;
256 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
258 static int exiting = 0; /* [HGM] moved to top */
259 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
260 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
261 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
262 int partnerHighlight[2];
263 Boolean partnerBoardValid = 0;
264 char partnerStatus[MSG_SIZ];
266 Boolean originalFlip;
267 Boolean twoBoards = 0;
268 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
269 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
270 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
271 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
272 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
273 int opponentKibitzes;
274 int lastSavedGame; /* [HGM] save: ID of game */
275 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
276 extern int chatCount;
278 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
279 char lastMsg[MSG_SIZ];
280 ChessSquare pieceSweep = EmptySquare;
281 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
282 int promoDefaultAltered;
284 /* States for ics_getting_history */
286 #define H_REQUESTED 1
287 #define H_GOT_REQ_HEADER 2
288 #define H_GOT_UNREQ_HEADER 3
289 #define H_GETTING_MOVES 4
290 #define H_GOT_UNWANTED_HEADER 5
292 /* whosays values for GameEnds */
301 /* Maximum number of games in a cmail message */
302 #define CMAIL_MAX_GAMES 20
304 /* Different types of move when calling RegisterMove */
306 #define CMAIL_RESIGN 1
308 #define CMAIL_ACCEPT 3
310 /* Different types of result to remember for each game */
311 #define CMAIL_NOT_RESULT 0
312 #define CMAIL_OLD_RESULT 1
313 #define CMAIL_NEW_RESULT 2
315 /* Telnet protocol constants */
326 safeStrCpy( char *dst, const char *src, size_t count )
329 assert( dst != NULL );
330 assert( src != NULL );
333 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
334 if( i == count && dst[count-1] != NULLCHAR)
336 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
337 if(appData.debugMode)
338 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
344 /* Some compiler can't cast u64 to double
345 * This function do the job for us:
347 * We use the highest bit for cast, this only
348 * works if the highest bit is not
349 * in use (This should not happen)
351 * We used this for all compiler
354 u64ToDouble(u64 value)
357 u64 tmp = value & u64Const(0x7fffffffffffffff);
358 r = (double)(s64)tmp;
359 if (value & u64Const(0x8000000000000000))
360 r += 9.2233720368547758080e18; /* 2^63 */
364 /* Fake up flags for now, as we aren't keeping track of castling
365 availability yet. [HGM] Change of logic: the flag now only
366 indicates the type of castlings allowed by the rule of the game.
367 The actual rights themselves are maintained in the array
368 castlingRights, as part of the game history, and are not probed
374 int flags = F_ALL_CASTLE_OK;
375 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
376 switch (gameInfo.variant) {
378 flags &= ~F_ALL_CASTLE_OK;
379 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
380 flags |= F_IGNORE_CHECK;
382 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
385 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
387 case VariantKriegspiel:
388 flags |= F_KRIEGSPIEL_CAPTURE;
390 case VariantCapaRandom:
391 case VariantFischeRandom:
392 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
393 case VariantNoCastle:
394 case VariantShatranj:
397 flags &= ~F_ALL_CASTLE_OK;
405 FILE *gameFileFP, *debugFP;
408 [AS] Note: sometimes, the sscanf() function is used to parse the input
409 into a fixed-size buffer. Because of this, we must be prepared to
410 receive strings as long as the size of the input buffer, which is currently
411 set to 4K for Windows and 8K for the rest.
412 So, we must either allocate sufficiently large buffers here, or
413 reduce the size of the input buffer in the input reading part.
416 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
417 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
418 char thinkOutput1[MSG_SIZ*10];
420 ChessProgramState first, second;
422 /* premove variables */
425 int premoveFromX = 0;
426 int premoveFromY = 0;
427 int premovePromoChar = 0;
429 Boolean alarmSounded;
430 /* end premove variables */
432 char *ics_prefix = "$";
433 int ics_type = ICS_GENERIC;
435 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
436 int pauseExamForwardMostMove = 0;
437 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
438 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
439 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
440 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
441 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
442 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
443 int whiteFlag = FALSE, blackFlag = FALSE;
444 int userOfferedDraw = FALSE;
445 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
446 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
447 int cmailMoveType[CMAIL_MAX_GAMES];
448 long ics_clock_paused = 0;
449 ProcRef icsPR = NoProc, cmailPR = NoProc;
450 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
451 GameMode gameMode = BeginningOfGame;
452 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
453 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
454 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
455 int hiddenThinkOutputState = 0; /* [AS] */
456 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
457 int adjudicateLossPlies = 6;
458 char white_holding[64], black_holding[64];
459 TimeMark lastNodeCountTime;
460 long lastNodeCount=0;
461 int shiftKey; // [HGM] set by mouse handler
463 int have_sent_ICS_logon = 0;
465 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
466 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
467 long timeControl_2; /* [AS] Allow separate time controls */
468 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
469 long timeRemaining[2][MAX_MOVES];
470 int matchGame = 0, nextGame = 0, roundNr = 0;
471 Boolean waitingForGame = FALSE;
472 TimeMark programStartTime, pauseStart;
473 char ics_handle[MSG_SIZ];
474 int have_set_title = 0;
476 /* animateTraining preserves the state of appData.animate
477 * when Training mode is activated. This allows the
478 * response to be animated when appData.animate == TRUE and
479 * appData.animateDragging == TRUE.
481 Boolean animateTraining;
487 Board boards[MAX_MOVES];
488 /* [HGM] Following 7 needed for accurate legality tests: */
489 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
490 signed char initialRights[BOARD_FILES];
491 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
492 int initialRulePlies, FENrulePlies;
493 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
496 int mute; // mute all sounds
498 // [HGM] vari: next 12 to save and restore variations
499 #define MAX_VARIATIONS 10
500 int framePtr = MAX_MOVES-1; // points to free stack entry
502 int savedFirst[MAX_VARIATIONS];
503 int savedLast[MAX_VARIATIONS];
504 int savedFramePtr[MAX_VARIATIONS];
505 char *savedDetails[MAX_VARIATIONS];
506 ChessMove savedResult[MAX_VARIATIONS];
508 void PushTail P((int firstMove, int lastMove));
509 Boolean PopTail P((Boolean annotate));
510 void PushInner P((int firstMove, int lastMove));
511 void PopInner P((Boolean annotate));
512 void CleanupTail P((void));
514 ChessSquare FIDEArray[2][BOARD_FILES] = {
515 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
516 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
518 BlackKing, BlackBishop, BlackKnight, BlackRook }
521 ChessSquare twoKingsArray[2][BOARD_FILES] = {
522 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
523 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
524 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
525 BlackKing, BlackKing, BlackKnight, BlackRook }
528 ChessSquare KnightmateArray[2][BOARD_FILES] = {
529 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
530 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
531 { BlackRook, BlackMan, BlackBishop, BlackQueen,
532 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
535 ChessSquare SpartanArray[2][BOARD_FILES] = {
536 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
537 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
538 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
539 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
542 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
543 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
544 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
545 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
546 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
549 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
550 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
551 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
553 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
556 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
557 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
558 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackMan, BlackFerz,
560 BlackKing, BlackMan, BlackKnight, BlackRook }
564 #if (BOARD_FILES>=10)
565 ChessSquare ShogiArray[2][BOARD_FILES] = {
566 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
567 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
568 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
569 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
572 ChessSquare XiangqiArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
574 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
576 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
579 ChessSquare CapablancaArray[2][BOARD_FILES] = {
580 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
581 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
582 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
583 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
586 ChessSquare GreatArray[2][BOARD_FILES] = {
587 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
588 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
589 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
590 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
593 ChessSquare JanusArray[2][BOARD_FILES] = {
594 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
595 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
596 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
597 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
601 ChessSquare GothicArray[2][BOARD_FILES] = {
602 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
603 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
604 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
605 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
608 #define GothicArray CapablancaArray
612 ChessSquare FalconArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
614 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
616 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
619 #define FalconArray CapablancaArray
622 #else // !(BOARD_FILES>=10)
623 #define XiangqiPosition FIDEArray
624 #define CapablancaArray FIDEArray
625 #define GothicArray FIDEArray
626 #define GreatArray FIDEArray
627 #endif // !(BOARD_FILES>=10)
629 #if (BOARD_FILES>=12)
630 ChessSquare CourierArray[2][BOARD_FILES] = {
631 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
632 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
633 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
634 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
636 #else // !(BOARD_FILES>=12)
637 #define CourierArray CapablancaArray
638 #endif // !(BOARD_FILES>=12)
641 Board initialPosition;
644 /* Convert str to a rating. Checks for special cases of "----",
646 "++++", etc. Also strips ()'s */
648 string_to_rating(str)
651 while(*str && !isdigit(*str)) ++str;
653 return 0; /* One of the special "no rating" cases */
661 /* Init programStats */
662 programStats.movelist[0] = 0;
663 programStats.depth = 0;
664 programStats.nr_moves = 0;
665 programStats.moves_left = 0;
666 programStats.nodes = 0;
667 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
668 programStats.score = 0;
669 programStats.got_only_move = 0;
670 programStats.got_fail = 0;
671 programStats.line_is_book = 0;
676 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
677 if (appData.firstPlaysBlack) {
678 first.twoMachinesColor = "black\n";
679 second.twoMachinesColor = "white\n";
681 first.twoMachinesColor = "white\n";
682 second.twoMachinesColor = "black\n";
685 first.other = &second;
686 second.other = &first;
689 if(appData.timeOddsMode) {
690 norm = appData.timeOdds[0];
691 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
693 first.timeOdds = appData.timeOdds[0]/norm;
694 second.timeOdds = appData.timeOdds[1]/norm;
697 if(programVersion) free(programVersion);
698 if (appData.noChessProgram) {
699 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
700 sprintf(programVersion, "%s", PACKAGE_STRING);
702 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
703 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
704 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
709 UnloadEngine(ChessProgramState *cps)
711 /* Kill off first chess program */
712 if (cps->isr != NULL)
713 RemoveInputSource(cps->isr);
716 if (cps->pr != NoProc) {
718 DoSleep( appData.delayBeforeQuit );
719 SendToProgram("quit\n", cps);
720 DoSleep( appData.delayAfterQuit );
721 DestroyChildProcess(cps->pr, cps->useSigterm);
724 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
728 ClearOptions(ChessProgramState *cps)
731 cps->nrOptions = cps->comboCnt = 0;
732 for(i=0; i<MAX_OPTIONS; i++) {
733 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
734 cps->option[i].textValue = 0;
738 char *engineNames[] = {
744 InitEngine(ChessProgramState *cps, int n)
745 { // [HGM] all engine initialiation put in a function that does one engine
749 cps->which = engineNames[n];
750 cps->maybeThinking = FALSE;
754 cps->sendDrawOffers = 1;
756 cps->program = appData.chessProgram[n];
757 cps->host = appData.host[n];
758 cps->dir = appData.directory[n];
759 cps->initString = appData.engInitString[n];
760 cps->computerString = appData.computerString[n];
761 cps->useSigint = TRUE;
762 cps->useSigterm = TRUE;
763 cps->reuse = appData.reuse[n];
764 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
765 cps->useSetboard = FALSE;
767 cps->usePing = FALSE;
770 cps->usePlayother = FALSE;
771 cps->useColors = TRUE;
772 cps->useUsermove = FALSE;
773 cps->sendICS = FALSE;
774 cps->sendName = appData.icsActive;
775 cps->sdKludge = FALSE;
776 cps->stKludge = FALSE;
777 TidyProgramName(cps->program, cps->host, cps->tidy);
779 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
780 cps->analysisSupport = 2; /* detect */
781 cps->analyzing = FALSE;
782 cps->initDone = FALSE;
784 /* New features added by Tord: */
785 cps->useFEN960 = FALSE;
786 cps->useOOCastle = TRUE;
787 /* End of new features added by Tord. */
788 cps->fenOverride = appData.fenOverride[n];
790 /* [HGM] time odds: set factor for each machine */
791 cps->timeOdds = appData.timeOdds[n];
793 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
794 cps->accumulateTC = appData.accumulateTC[n];
795 cps->maxNrOfSessions = 1;
799 cps->supportsNPS = UNKNOWN;
802 cps->optionSettings = appData.engOptions[n];
804 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
805 cps->isUCI = appData.isUCI[n]; /* [AS] */
806 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
808 if (appData.protocolVersion[n] > PROTOVER
809 || appData.protocolVersion[n] < 1)
814 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
815 appData.protocolVersion[n]);
816 if( (len > MSG_SIZ) && appData.debugMode )
817 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
819 DisplayFatalError(buf, 0, 2);
823 cps->protocolVersion = appData.protocolVersion[n];
826 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
829 ChessProgramState *savCps;
835 if(WaitForEngine(savCps, LoadEngine)) return;
836 CommonEngineInit(); // recalculate time odds
837 if(gameInfo.variant != StringToVariant(appData.variant)) {
838 // we changed variant when loading the engine; this forces us to reset
839 Reset(TRUE, savCps != &first);
840 EditGameEvent(); // for consistency with other path, as Reset changes mode
842 InitChessProgram(savCps, FALSE);
843 SendToProgram("force\n", savCps);
844 DisplayMessage("", "");
845 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
846 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
852 ReplaceEngine(ChessProgramState *cps, int n)
856 appData.noChessProgram = FALSE;
857 appData.clockMode = TRUE;
859 if(n) return; // only startup first engine immediately; second can wait
860 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
864 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
865 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
867 static char resetOptions[] =
868 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
869 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
872 Load(ChessProgramState *cps, int i)
874 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ];
875 if(engineLine[0]) { // an engine was selected from the combo box
876 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
877 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
878 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
879 ParseArgsFromString(buf);
881 ReplaceEngine(cps, i);
885 while(q = strchr(p, SLASH)) p = q+1;
886 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
887 if(engineDir[0] != NULLCHAR)
888 appData.directory[i] = engineDir;
889 else if(p != engineName) { // derive directory from engine path, when not given
891 appData.directory[i] = strdup(engineName);
893 } else appData.directory[i] = ".";
895 snprintf(command, MSG_SIZ, "%s %s", p, params);
898 appData.chessProgram[i] = strdup(p);
899 appData.isUCI[i] = isUCI;
900 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
901 appData.hasOwnBookUCI[i] = hasBook;
902 if(!nickName[0]) useNick = FALSE;
903 if(useNick) ASSIGN(appData.pgnName[i], nickName);
906 q = firstChessProgramNames;
907 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
908 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "\"%s\" -fd \"%s\"%s%s%s%s%s%s%s%s\n", p, appData.directory[i],
909 useNick ? " -fn \"" : "",
910 useNick ? nickName : "",
912 v1 ? " -firstProtocolVersion 1" : "",
913 hasBook ? "" : " -fNoOwnBookUCI",
914 isUCI ? " -fUCI" : "",
915 storeVariant ? " -variant " : "",
916 storeVariant ? VariantName(gameInfo.variant) : "");
917 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
918 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
921 ReplaceEngine(cps, i);
927 int matched, min, sec;
929 * Parse timeControl resource
931 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
932 appData.movesPerSession)) {
934 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
935 DisplayFatalError(buf, 0, 2);
939 * Parse searchTime resource
941 if (*appData.searchTime != NULLCHAR) {
942 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
944 searchTime = min * 60;
945 } else if (matched == 2) {
946 searchTime = min * 60 + sec;
949 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
950 DisplayFatalError(buf, 0, 2);
959 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
960 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
962 GetTimeMark(&programStartTime);
963 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
964 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
967 programStats.ok_to_send = 1;
968 programStats.seen_stat = 0;
971 * Initialize game list
977 * Internet chess server status
979 if (appData.icsActive) {
980 appData.matchMode = FALSE;
981 appData.matchGames = 0;
983 appData.noChessProgram = !appData.zippyPlay;
985 appData.zippyPlay = FALSE;
986 appData.zippyTalk = FALSE;
987 appData.noChessProgram = TRUE;
989 if (*appData.icsHelper != NULLCHAR) {
990 appData.useTelnet = TRUE;
991 appData.telnetProgram = appData.icsHelper;
994 appData.zippyTalk = appData.zippyPlay = FALSE;
997 /* [AS] Initialize pv info list [HGM] and game state */
1001 for( i=0; i<=framePtr; i++ ) {
1002 pvInfoList[i].depth = -1;
1003 boards[i][EP_STATUS] = EP_NONE;
1004 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1010 /* [AS] Adjudication threshold */
1011 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1013 InitEngine(&first, 0);
1014 InitEngine(&second, 1);
1017 if (appData.icsActive) {
1018 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1019 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1020 appData.clockMode = FALSE;
1021 first.sendTime = second.sendTime = 0;
1025 /* Override some settings from environment variables, for backward
1026 compatibility. Unfortunately it's not feasible to have the env
1027 vars just set defaults, at least in xboard. Ugh.
1029 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1034 if (!appData.icsActive) {
1038 /* Check for variants that are supported only in ICS mode,
1039 or not at all. Some that are accepted here nevertheless
1040 have bugs; see comments below.
1042 VariantClass variant = StringToVariant(appData.variant);
1044 case VariantBughouse: /* need four players and two boards */
1045 case VariantKriegspiel: /* need to hide pieces and move details */
1046 /* case VariantFischeRandom: (Fabien: moved below) */
1047 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1048 if( (len > MSG_SIZ) && appData.debugMode )
1049 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1051 DisplayFatalError(buf, 0, 2);
1054 case VariantUnknown:
1055 case VariantLoadable:
1065 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1066 if( (len > MSG_SIZ) && appData.debugMode )
1067 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1069 DisplayFatalError(buf, 0, 2);
1072 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1073 case VariantFairy: /* [HGM] TestLegality definitely off! */
1074 case VariantGothic: /* [HGM] should work */
1075 case VariantCapablanca: /* [HGM] should work */
1076 case VariantCourier: /* [HGM] initial forced moves not implemented */
1077 case VariantShogi: /* [HGM] could still mate with pawn drop */
1078 case VariantKnightmate: /* [HGM] should work */
1079 case VariantCylinder: /* [HGM] untested */
1080 case VariantFalcon: /* [HGM] untested */
1081 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1082 offboard interposition not understood */
1083 case VariantNormal: /* definitely works! */
1084 case VariantWildCastle: /* pieces not automatically shuffled */
1085 case VariantNoCastle: /* pieces not automatically shuffled */
1086 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1087 case VariantLosers: /* should work except for win condition,
1088 and doesn't know captures are mandatory */
1089 case VariantSuicide: /* should work except for win condition,
1090 and doesn't know captures are mandatory */
1091 case VariantGiveaway: /* should work except for win condition,
1092 and doesn't know captures are mandatory */
1093 case VariantTwoKings: /* should work */
1094 case VariantAtomic: /* should work except for win condition */
1095 case Variant3Check: /* should work except for win condition */
1096 case VariantShatranj: /* should work except for all win conditions */
1097 case VariantMakruk: /* should work except for daw countdown */
1098 case VariantBerolina: /* might work if TestLegality is off */
1099 case VariantCapaRandom: /* should work */
1100 case VariantJanus: /* should work */
1101 case VariantSuper: /* experimental */
1102 case VariantGreat: /* experimental, requires legality testing to be off */
1103 case VariantSChess: /* S-Chess, should work */
1104 case VariantSpartan: /* should work */
1111 int NextIntegerFromString( char ** str, long * value )
1116 while( *s == ' ' || *s == '\t' ) {
1122 if( *s >= '0' && *s <= '9' ) {
1123 while( *s >= '0' && *s <= '9' ) {
1124 *value = *value * 10 + (*s - '0');
1136 int NextTimeControlFromString( char ** str, long * value )
1139 int result = NextIntegerFromString( str, &temp );
1142 *value = temp * 60; /* Minutes */
1143 if( **str == ':' ) {
1145 result = NextIntegerFromString( str, &temp );
1146 *value += temp; /* Seconds */
1153 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1154 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1155 int result = -1, type = 0; long temp, temp2;
1157 if(**str != ':') return -1; // old params remain in force!
1159 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1160 if( NextIntegerFromString( str, &temp ) ) return -1;
1161 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1164 /* time only: incremental or sudden-death time control */
1165 if(**str == '+') { /* increment follows; read it */
1167 if(**str == '!') type = *(*str)++; // Bronstein TC
1168 if(result = NextIntegerFromString( str, &temp2)) return -1;
1169 *inc = temp2 * 1000;
1170 if(**str == '.') { // read fraction of increment
1171 char *start = ++(*str);
1172 if(result = NextIntegerFromString( str, &temp2)) return -1;
1174 while(start++ < *str) temp2 /= 10;
1178 *moves = 0; *tc = temp * 1000; *incType = type;
1182 (*str)++; /* classical time control */
1183 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1194 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1195 { /* [HGM] get time to add from the multi-session time-control string */
1196 int incType, moves=1; /* kludge to force reading of first session */
1197 long time, increment;
1200 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1201 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1203 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1204 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1205 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1206 if(movenr == -1) return time; /* last move before new session */
1207 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1208 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1209 if(!moves) return increment; /* current session is incremental */
1210 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1211 } while(movenr >= -1); /* try again for next session */
1213 return 0; // no new time quota on this move
1217 ParseTimeControl(tc, ti, mps)
1224 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1227 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1228 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1229 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1233 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1235 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1238 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1240 snprintf(buf, MSG_SIZ, ":%s", mytc);
1242 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1244 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1249 /* Parse second time control */
1252 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1260 timeControl_2 = tc2 * 1000;
1270 timeControl = tc1 * 1000;
1273 timeIncrement = ti * 1000; /* convert to ms */
1274 movesPerSession = 0;
1277 movesPerSession = mps;
1285 if (appData.debugMode) {
1286 fprintf(debugFP, "%s\n", programVersion);
1289 set_cont_sequence(appData.wrapContSeq);
1290 if (appData.matchGames > 0) {
1291 appData.matchMode = TRUE;
1292 } else if (appData.matchMode) {
1293 appData.matchGames = 1;
1295 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1296 appData.matchGames = appData.sameColorGames;
1297 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1298 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1299 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1302 if (appData.noChessProgram || first.protocolVersion == 1) {
1305 /* kludge: allow timeout for initial "feature" commands */
1307 DisplayMessage("", _("Starting chess program"));
1308 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1313 CalculateIndex(int index, int gameNr)
1314 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1316 if(index > 0) return index; // fixed nmber
1317 if(index == 0) return 1;
1318 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1319 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1324 LoadGameOrPosition(int gameNr)
1325 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1326 if (*appData.loadGameFile != NULLCHAR) {
1327 if (!LoadGameFromFile(appData.loadGameFile,
1328 CalculateIndex(appData.loadGameIndex, gameNr),
1329 appData.loadGameFile, FALSE)) {
1330 DisplayFatalError(_("Bad game file"), 0, 1);
1333 } else if (*appData.loadPositionFile != NULLCHAR) {
1334 if (!LoadPositionFromFile(appData.loadPositionFile,
1335 CalculateIndex(appData.loadPositionIndex, gameNr),
1336 appData.loadPositionFile)) {
1337 DisplayFatalError(_("Bad position file"), 0, 1);
1345 ReserveGame(int gameNr, char resChar)
1347 FILE *tf = fopen(appData.tourneyFile, "r+");
1348 char *p, *q, c, buf[MSG_SIZ];
1349 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1350 safeStrCpy(buf, lastMsg, MSG_SIZ);
1351 DisplayMessage(_("Pick new game"), "");
1352 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1353 ParseArgsFromFile(tf);
1354 p = q = appData.results;
1355 if(appData.debugMode) {
1356 char *r = appData.participants;
1357 fprintf(debugFP, "results = '%s'\n", p);
1358 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1359 fprintf(debugFP, "\n");
1361 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1363 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1364 safeStrCpy(q, p, strlen(p) + 2);
1365 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1366 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1367 if(nextGame <= appData.matchGames && resChar != ' ') { // already reserve next game, if tourney not yet done
1368 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1371 fseek(tf, -(strlen(p)+4), SEEK_END);
1373 if(c != '"') // depending on DOS or Unix line endings we can be one off
1374 fseek(tf, -(strlen(p)+2), SEEK_END);
1375 else fseek(tf, -(strlen(p)+3), SEEK_END);
1376 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1377 DisplayMessage(buf, "");
1378 free(p); appData.results = q;
1379 if(nextGame <= appData.matchGames && resChar != ' ' &&
1380 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1381 UnloadEngine(&first); // next game belongs to other pairing;
1382 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1387 MatchEvent(int mode)
1388 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1390 if(matchMode) { // already in match mode: switch it off
1392 appData.matchGames = appData.tourneyFile[0] ? nextGame: matchGame; // kludge to let match terminate after next game.
1393 ModeHighlight(); // kludgey way to remove checkmark...
1396 // if(gameMode != BeginningOfGame) {
1397 // DisplayError(_("You can only start a match from the initial position."), 0);
1401 appData.matchGames = appData.defaultMatchGames;
1402 /* Set up machine vs. machine match */
1404 NextTourneyGame(0, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1405 if(appData.tourneyFile[0]) {
1407 if(nextGame > appData.matchGames) {
1409 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1410 DisplayError(buf, 0);
1411 appData.tourneyFile[0] = 0;
1415 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1416 DisplayFatalError(_("Can't have a match with no chess programs"),
1421 matchGame = roundNr = 1;
1422 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
\r
1427 InitBackEnd3 P((void))
1429 GameMode initialMode;
1433 InitChessProgram(&first, startedFromSetupPosition);
1435 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1436 free(programVersion);
1437 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1438 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1441 if (appData.icsActive) {
1443 /* [DM] Make a console window if needed [HGM] merged ifs */
1449 if (*appData.icsCommPort != NULLCHAR)
1450 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1451 appData.icsCommPort);
1453 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1454 appData.icsHost, appData.icsPort);
1456 if( (len > MSG_SIZ) && appData.debugMode )
1457 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1459 DisplayFatalError(buf, err, 1);
1464 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1466 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1467 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1468 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1469 } else if (appData.noChessProgram) {
1475 if (*appData.cmailGameName != NULLCHAR) {
1477 OpenLoopback(&cmailPR);
1479 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1483 DisplayMessage("", "");
1484 if (StrCaseCmp(appData.initialMode, "") == 0) {
1485 initialMode = BeginningOfGame;
1486 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1487 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1488 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1489 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1492 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1493 initialMode = TwoMachinesPlay;
1494 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1495 initialMode = AnalyzeFile;
1496 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1497 initialMode = AnalyzeMode;
1498 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1499 initialMode = MachinePlaysWhite;
1500 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1501 initialMode = MachinePlaysBlack;
1502 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1503 initialMode = EditGame;
1504 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1505 initialMode = EditPosition;
1506 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1507 initialMode = Training;
1509 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1510 if( (len > MSG_SIZ) && appData.debugMode )
1511 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1513 DisplayFatalError(buf, 0, 2);
1517 if (appData.matchMode) {
1518 if(appData.tourneyFile[0]) { // start tourney from command line
1520 if(f = fopen(appData.tourneyFile, "r")) {
1521 ParseArgsFromFile(f); // make sure tourney parmeters re known
1523 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1526 } else if (*appData.cmailGameName != NULLCHAR) {
1527 /* Set up cmail mode */
1528 ReloadCmailMsgEvent(TRUE);
1530 /* Set up other modes */
1531 if (initialMode == AnalyzeFile) {
1532 if (*appData.loadGameFile == NULLCHAR) {
1533 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1537 if (*appData.loadGameFile != NULLCHAR) {
1538 (void) LoadGameFromFile(appData.loadGameFile,
1539 appData.loadGameIndex,
1540 appData.loadGameFile, TRUE);
1541 } else if (*appData.loadPositionFile != NULLCHAR) {
1542 (void) LoadPositionFromFile(appData.loadPositionFile,
1543 appData.loadPositionIndex,
1544 appData.loadPositionFile);
1545 /* [HGM] try to make self-starting even after FEN load */
1546 /* to allow automatic setup of fairy variants with wtm */
1547 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1548 gameMode = BeginningOfGame;
1549 setboardSpoiledMachineBlack = 1;
1551 /* [HGM] loadPos: make that every new game uses the setup */
1552 /* from file as long as we do not switch variant */
1553 if(!blackPlaysFirst) {
1554 startedFromPositionFile = TRUE;
1555 CopyBoard(filePosition, boards[0]);
1558 if (initialMode == AnalyzeMode) {
1559 if (appData.noChessProgram) {
1560 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1563 if (appData.icsActive) {
1564 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1568 } else if (initialMode == AnalyzeFile) {
1569 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1570 ShowThinkingEvent();
1572 AnalysisPeriodicEvent(1);
1573 } else if (initialMode == MachinePlaysWhite) {
1574 if (appData.noChessProgram) {
1575 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1579 if (appData.icsActive) {
1580 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1584 MachineWhiteEvent();
1585 } else if (initialMode == MachinePlaysBlack) {
1586 if (appData.noChessProgram) {
1587 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1591 if (appData.icsActive) {
1592 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1596 MachineBlackEvent();
1597 } else if (initialMode == TwoMachinesPlay) {
1598 if (appData.noChessProgram) {
1599 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1603 if (appData.icsActive) {
1604 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1609 } else if (initialMode == EditGame) {
1611 } else if (initialMode == EditPosition) {
1612 EditPositionEvent();
1613 } else if (initialMode == Training) {
1614 if (*appData.loadGameFile == NULLCHAR) {
1615 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1624 * Establish will establish a contact to a remote host.port.
1625 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1626 * used to talk to the host.
1627 * Returns 0 if okay, error code if not.
1634 if (*appData.icsCommPort != NULLCHAR) {
1635 /* Talk to the host through a serial comm port */
1636 return OpenCommPort(appData.icsCommPort, &icsPR);
1638 } else if (*appData.gateway != NULLCHAR) {
1639 if (*appData.remoteShell == NULLCHAR) {
1640 /* Use the rcmd protocol to run telnet program on a gateway host */
1641 snprintf(buf, sizeof(buf), "%s %s %s",
1642 appData.telnetProgram, appData.icsHost, appData.icsPort);
1643 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1646 /* Use the rsh program to run telnet program on a gateway host */
1647 if (*appData.remoteUser == NULLCHAR) {
1648 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1649 appData.gateway, appData.telnetProgram,
1650 appData.icsHost, appData.icsPort);
1652 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1653 appData.remoteShell, appData.gateway,
1654 appData.remoteUser, appData.telnetProgram,
1655 appData.icsHost, appData.icsPort);
1657 return StartChildProcess(buf, "", &icsPR);
1660 } else if (appData.useTelnet) {
1661 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1664 /* TCP socket interface differs somewhat between
1665 Unix and NT; handle details in the front end.
1667 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1671 void EscapeExpand(char *p, char *q)
1672 { // [HGM] initstring: routine to shape up string arguments
1673 while(*p++ = *q++) if(p[-1] == '\\')
1675 case 'n': p[-1] = '\n'; break;
1676 case 'r': p[-1] = '\r'; break;
1677 case 't': p[-1] = '\t'; break;
1678 case '\\': p[-1] = '\\'; break;
1679 case 0: *p = 0; return;
1680 default: p[-1] = q[-1]; break;
1685 show_bytes(fp, buf, count)
1691 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1692 fprintf(fp, "\\%03o", *buf & 0xff);
1701 /* Returns an errno value */
1703 OutputMaybeTelnet(pr, message, count, outError)
1709 char buf[8192], *p, *q, *buflim;
1710 int left, newcount, outcount;
1712 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1713 *appData.gateway != NULLCHAR) {
1714 if (appData.debugMode) {
1715 fprintf(debugFP, ">ICS: ");
1716 show_bytes(debugFP, message, count);
1717 fprintf(debugFP, "\n");
1719 return OutputToProcess(pr, message, count, outError);
1722 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1729 if (appData.debugMode) {
1730 fprintf(debugFP, ">ICS: ");
1731 show_bytes(debugFP, buf, newcount);
1732 fprintf(debugFP, "\n");
1734 outcount = OutputToProcess(pr, buf, newcount, outError);
1735 if (outcount < newcount) return -1; /* to be sure */
1742 } else if (((unsigned char) *p) == TN_IAC) {
1743 *q++ = (char) TN_IAC;
1750 if (appData.debugMode) {
1751 fprintf(debugFP, ">ICS: ");
1752 show_bytes(debugFP, buf, newcount);
1753 fprintf(debugFP, "\n");
1755 outcount = OutputToProcess(pr, buf, newcount, outError);
1756 if (outcount < newcount) return -1; /* to be sure */
1761 read_from_player(isr, closure, message, count, error)
1768 int outError, outCount;
1769 static int gotEof = 0;
1771 /* Pass data read from player on to ICS */
1774 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1775 if (outCount < count) {
1776 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1778 } else if (count < 0) {
1779 RemoveInputSource(isr);
1780 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1781 } else if (gotEof++ > 0) {
1782 RemoveInputSource(isr);
1783 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1789 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1790 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1791 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1792 SendToICS("date\n");
1793 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1796 /* added routine for printf style output to ics */
1797 void ics_printf(char *format, ...)
1799 char buffer[MSG_SIZ];
1802 va_start(args, format);
1803 vsnprintf(buffer, sizeof(buffer), format, args);
1804 buffer[sizeof(buffer)-1] = '\0';
1813 int count, outCount, outError;
1815 if (icsPR == NULL) return;
1818 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1819 if (outCount < count) {
1820 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1824 /* This is used for sending logon scripts to the ICS. Sending
1825 without a delay causes problems when using timestamp on ICC
1826 (at least on my machine). */
1828 SendToICSDelayed(s,msdelay)
1832 int count, outCount, outError;
1834 if (icsPR == NULL) return;
1837 if (appData.debugMode) {
1838 fprintf(debugFP, ">ICS: ");
1839 show_bytes(debugFP, s, count);
1840 fprintf(debugFP, "\n");
1842 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1844 if (outCount < count) {
1845 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1850 /* Remove all highlighting escape sequences in s
1851 Also deletes any suffix starting with '('
1854 StripHighlightAndTitle(s)
1857 static char retbuf[MSG_SIZ];
1860 while (*s != NULLCHAR) {
1861 while (*s == '\033') {
1862 while (*s != NULLCHAR && !isalpha(*s)) s++;
1863 if (*s != NULLCHAR) s++;
1865 while (*s != NULLCHAR && *s != '\033') {
1866 if (*s == '(' || *s == '[') {
1877 /* Remove all highlighting escape sequences in s */
1882 static char retbuf[MSG_SIZ];
1885 while (*s != NULLCHAR) {
1886 while (*s == '\033') {
1887 while (*s != NULLCHAR && !isalpha(*s)) s++;
1888 if (*s != NULLCHAR) s++;
1890 while (*s != NULLCHAR && *s != '\033') {
1898 char *variantNames[] = VARIANT_NAMES;
1903 return variantNames[v];
1907 /* Identify a variant from the strings the chess servers use or the
1908 PGN Variant tag names we use. */
1915 VariantClass v = VariantNormal;
1916 int i, found = FALSE;
1922 /* [HGM] skip over optional board-size prefixes */
1923 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1924 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1925 while( *e++ != '_');
1928 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1932 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1933 if (StrCaseStr(e, variantNames[i])) {
1934 v = (VariantClass) i;
1941 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1942 || StrCaseStr(e, "wild/fr")
1943 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1944 v = VariantFischeRandom;
1945 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1946 (i = 1, p = StrCaseStr(e, "w"))) {
1948 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1955 case 0: /* FICS only, actually */
1957 /* Castling legal even if K starts on d-file */
1958 v = VariantWildCastle;
1963 /* Castling illegal even if K & R happen to start in
1964 normal positions. */
1965 v = VariantNoCastle;
1978 /* Castling legal iff K & R start in normal positions */
1984 /* Special wilds for position setup; unclear what to do here */
1985 v = VariantLoadable;
1988 /* Bizarre ICC game */
1989 v = VariantTwoKings;
1992 v = VariantKriegspiel;
1998 v = VariantFischeRandom;
2001 v = VariantCrazyhouse;
2004 v = VariantBughouse;
2010 /* Not quite the same as FICS suicide! */
2011 v = VariantGiveaway;
2017 v = VariantShatranj;
2020 /* Temporary names for future ICC types. The name *will* change in
2021 the next xboard/WinBoard release after ICC defines it. */
2059 v = VariantCapablanca;
2062 v = VariantKnightmate;
2068 v = VariantCylinder;
2074 v = VariantCapaRandom;
2077 v = VariantBerolina;
2089 /* Found "wild" or "w" in the string but no number;
2090 must assume it's normal chess. */
2094 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2095 if( (len > MSG_SIZ) && appData.debugMode )
2096 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2098 DisplayError(buf, 0);
2104 if (appData.debugMode) {
2105 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2106 e, wnum, VariantName(v));
2111 static int leftover_start = 0, leftover_len = 0;
2112 char star_match[STAR_MATCH_N][MSG_SIZ];
2114 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2115 advance *index beyond it, and set leftover_start to the new value of
2116 *index; else return FALSE. If pattern contains the character '*', it
2117 matches any sequence of characters not containing '\r', '\n', or the
2118 character following the '*' (if any), and the matched sequence(s) are
2119 copied into star_match.
2122 looking_at(buf, index, pattern)
2127 char *bufp = &buf[*index], *patternp = pattern;
2129 char *matchp = star_match[0];
2132 if (*patternp == NULLCHAR) {
2133 *index = leftover_start = bufp - buf;
2137 if (*bufp == NULLCHAR) return FALSE;
2138 if (*patternp == '*') {
2139 if (*bufp == *(patternp + 1)) {
2141 matchp = star_match[++star_count];
2145 } else if (*bufp == '\n' || *bufp == '\r') {
2147 if (*patternp == NULLCHAR)
2152 *matchp++ = *bufp++;
2156 if (*patternp != *bufp) return FALSE;
2163 SendToPlayer(data, length)
2167 int error, outCount;
2168 outCount = OutputToProcess(NoProc, data, length, &error);
2169 if (outCount < length) {
2170 DisplayFatalError(_("Error writing to display"), error, 1);
2175 PackHolding(packed, holding)
2187 switch (runlength) {
2198 sprintf(q, "%d", runlength);
2210 /* Telnet protocol requests from the front end */
2212 TelnetRequest(ddww, option)
2213 unsigned char ddww, option;
2215 unsigned char msg[3];
2216 int outCount, outError;
2218 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2220 if (appData.debugMode) {
2221 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2237 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2246 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2249 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2254 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2256 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2263 if (!appData.icsActive) return;
2264 TelnetRequest(TN_DO, TN_ECHO);
2270 if (!appData.icsActive) return;
2271 TelnetRequest(TN_DONT, TN_ECHO);
2275 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2277 /* put the holdings sent to us by the server on the board holdings area */
2278 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2282 if(gameInfo.holdingsWidth < 2) return;
2283 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2284 return; // prevent overwriting by pre-board holdings
2286 if( (int)lowestPiece >= BlackPawn ) {
2289 holdingsStartRow = BOARD_HEIGHT-1;
2292 holdingsColumn = BOARD_WIDTH-1;
2293 countsColumn = BOARD_WIDTH-2;
2294 holdingsStartRow = 0;
2298 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2299 board[i][holdingsColumn] = EmptySquare;
2300 board[i][countsColumn] = (ChessSquare) 0;
2302 while( (p=*holdings++) != NULLCHAR ) {
2303 piece = CharToPiece( ToUpper(p) );
2304 if(piece == EmptySquare) continue;
2305 /*j = (int) piece - (int) WhitePawn;*/
2306 j = PieceToNumber(piece);
2307 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2308 if(j < 0) continue; /* should not happen */
2309 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2310 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2311 board[holdingsStartRow+j*direction][countsColumn]++;
2317 VariantSwitch(Board board, VariantClass newVariant)
2319 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2320 static Board oldBoard;
2322 startedFromPositionFile = FALSE;
2323 if(gameInfo.variant == newVariant) return;
2325 /* [HGM] This routine is called each time an assignment is made to
2326 * gameInfo.variant during a game, to make sure the board sizes
2327 * are set to match the new variant. If that means adding or deleting
2328 * holdings, we shift the playing board accordingly
2329 * This kludge is needed because in ICS observe mode, we get boards
2330 * of an ongoing game without knowing the variant, and learn about the
2331 * latter only later. This can be because of the move list we requested,
2332 * in which case the game history is refilled from the beginning anyway,
2333 * but also when receiving holdings of a crazyhouse game. In the latter
2334 * case we want to add those holdings to the already received position.
2338 if (appData.debugMode) {
2339 fprintf(debugFP, "Switch board from %s to %s\n",
2340 VariantName(gameInfo.variant), VariantName(newVariant));
2341 setbuf(debugFP, NULL);
2343 shuffleOpenings = 0; /* [HGM] shuffle */
2344 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2348 newWidth = 9; newHeight = 9;
2349 gameInfo.holdingsSize = 7;
2350 case VariantBughouse:
2351 case VariantCrazyhouse:
2352 newHoldingsWidth = 2; break;
2356 newHoldingsWidth = 2;
2357 gameInfo.holdingsSize = 8;
2360 case VariantCapablanca:
2361 case VariantCapaRandom:
2364 newHoldingsWidth = gameInfo.holdingsSize = 0;
2367 if(newWidth != gameInfo.boardWidth ||
2368 newHeight != gameInfo.boardHeight ||
2369 newHoldingsWidth != gameInfo.holdingsWidth ) {
2371 /* shift position to new playing area, if needed */
2372 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2373 for(i=0; i<BOARD_HEIGHT; i++)
2374 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2375 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2377 for(i=0; i<newHeight; i++) {
2378 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2379 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2381 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2382 for(i=0; i<BOARD_HEIGHT; i++)
2383 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2384 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2387 gameInfo.boardWidth = newWidth;
2388 gameInfo.boardHeight = newHeight;
2389 gameInfo.holdingsWidth = newHoldingsWidth;
2390 gameInfo.variant = newVariant;
2391 InitDrawingSizes(-2, 0);
2392 } else gameInfo.variant = newVariant;
2393 CopyBoard(oldBoard, board); // remember correctly formatted board
2394 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2395 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2398 static int loggedOn = FALSE;
2400 /*-- Game start info cache: --*/
2402 char gs_kind[MSG_SIZ];
2403 static char player1Name[128] = "";
2404 static char player2Name[128] = "";
2405 static char cont_seq[] = "\n\\ ";
2406 static int player1Rating = -1;
2407 static int player2Rating = -1;
2408 /*----------------------------*/
2410 ColorClass curColor = ColorNormal;
2411 int suppressKibitz = 0;
2414 Boolean soughtPending = FALSE;
2415 Boolean seekGraphUp;
2416 #define MAX_SEEK_ADS 200
2418 char *seekAdList[MAX_SEEK_ADS];
2419 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2420 float tcList[MAX_SEEK_ADS];
2421 char colorList[MAX_SEEK_ADS];
2422 int nrOfSeekAds = 0;
2423 int minRating = 1010, maxRating = 2800;
2424 int hMargin = 10, vMargin = 20, h, w;
2425 extern int squareSize, lineGap;
2430 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2431 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2432 if(r < minRating+100 && r >=0 ) r = minRating+100;
2433 if(r > maxRating) r = maxRating;
2434 if(tc < 1.) tc = 1.;
2435 if(tc > 95.) tc = 95.;
2436 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2437 y = ((double)r - minRating)/(maxRating - minRating)
2438 * (h-vMargin-squareSize/8-1) + vMargin;
2439 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2440 if(strstr(seekAdList[i], " u ")) color = 1;
2441 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2442 !strstr(seekAdList[i], "bullet") &&
2443 !strstr(seekAdList[i], "blitz") &&
2444 !strstr(seekAdList[i], "standard") ) color = 2;
2445 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2446 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2450 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2452 char buf[MSG_SIZ], *ext = "";
2453 VariantClass v = StringToVariant(type);
2454 if(strstr(type, "wild")) {
2455 ext = type + 4; // append wild number
2456 if(v == VariantFischeRandom) type = "chess960"; else
2457 if(v == VariantLoadable) type = "setup"; else
2458 type = VariantName(v);
2460 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2461 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2462 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2463 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2464 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2465 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2466 seekNrList[nrOfSeekAds] = nr;
2467 zList[nrOfSeekAds] = 0;
2468 seekAdList[nrOfSeekAds++] = StrSave(buf);
2469 if(plot) PlotSeekAd(nrOfSeekAds-1);
2476 int x = xList[i], y = yList[i], d=squareSize/4, k;
2477 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2478 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2479 // now replot every dot that overlapped
2480 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2481 int xx = xList[k], yy = yList[k];
2482 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2483 DrawSeekDot(xx, yy, colorList[k]);
2488 RemoveSeekAd(int nr)
2491 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2493 if(seekAdList[i]) free(seekAdList[i]);
2494 seekAdList[i] = seekAdList[--nrOfSeekAds];
2495 seekNrList[i] = seekNrList[nrOfSeekAds];
2496 ratingList[i] = ratingList[nrOfSeekAds];
2497 colorList[i] = colorList[nrOfSeekAds];
2498 tcList[i] = tcList[nrOfSeekAds];
2499 xList[i] = xList[nrOfSeekAds];
2500 yList[i] = yList[nrOfSeekAds];
2501 zList[i] = zList[nrOfSeekAds];
2502 seekAdList[nrOfSeekAds] = NULL;
2508 MatchSoughtLine(char *line)
2510 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2511 int nr, base, inc, u=0; char dummy;
2513 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2514 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2516 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2517 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2518 // match: compact and save the line
2519 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2529 if(!seekGraphUp) return FALSE;
2530 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2531 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2533 DrawSeekBackground(0, 0, w, h);
2534 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2535 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2536 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2537 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2539 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2542 snprintf(buf, MSG_SIZ, "%d", i);
2543 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2546 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2547 for(i=1; i<100; i+=(i<10?1:5)) {
2548 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2549 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2550 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2552 snprintf(buf, MSG_SIZ, "%d", i);
2553 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2556 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2560 int SeekGraphClick(ClickType click, int x, int y, int moving)
2562 static int lastDown = 0, displayed = 0, lastSecond;
2563 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2564 if(click == Release || moving) return FALSE;
2566 soughtPending = TRUE;
2567 SendToICS(ics_prefix);
2568 SendToICS("sought\n"); // should this be "sought all"?
2569 } else { // issue challenge based on clicked ad
2570 int dist = 10000; int i, closest = 0, second = 0;
2571 for(i=0; i<nrOfSeekAds; i++) {
2572 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2573 if(d < dist) { dist = d; closest = i; }
2574 second += (d - zList[i] < 120); // count in-range ads
2575 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2579 second = (second > 1);
2580 if(displayed != closest || second != lastSecond) {
2581 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2582 lastSecond = second; displayed = closest;
2584 if(click == Press) {
2585 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2588 } // on press 'hit', only show info
2589 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2590 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2591 SendToICS(ics_prefix);
2593 return TRUE; // let incoming board of started game pop down the graph
2594 } else if(click == Release) { // release 'miss' is ignored
2595 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2596 if(moving == 2) { // right up-click
2597 nrOfSeekAds = 0; // refresh graph
2598 soughtPending = TRUE;
2599 SendToICS(ics_prefix);
2600 SendToICS("sought\n"); // should this be "sought all"?
2603 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2604 // press miss or release hit 'pop down' seek graph
2605 seekGraphUp = FALSE;
2606 DrawPosition(TRUE, NULL);
2612 read_from_ics(isr, closure, data, count, error)
2619 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2620 #define STARTED_NONE 0
2621 #define STARTED_MOVES 1
2622 #define STARTED_BOARD 2
2623 #define STARTED_OBSERVE 3
2624 #define STARTED_HOLDINGS 4
2625 #define STARTED_CHATTER 5
2626 #define STARTED_COMMENT 6
2627 #define STARTED_MOVES_NOHIDE 7
2629 static int started = STARTED_NONE;
2630 static char parse[20000];
2631 static int parse_pos = 0;
2632 static char buf[BUF_SIZE + 1];
2633 static int firstTime = TRUE, intfSet = FALSE;
2634 static ColorClass prevColor = ColorNormal;
2635 static int savingComment = FALSE;
2636 static int cmatch = 0; // continuation sequence match
2643 int backup; /* [DM] For zippy color lines */
2645 char talker[MSG_SIZ]; // [HGM] chat
2648 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2650 if (appData.debugMode) {
2652 fprintf(debugFP, "<ICS: ");
2653 show_bytes(debugFP, data, count);
2654 fprintf(debugFP, "\n");
2658 if (appData.debugMode) { int f = forwardMostMove;
2659 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2660 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2661 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2664 /* If last read ended with a partial line that we couldn't parse,
2665 prepend it to the new read and try again. */
2666 if (leftover_len > 0) {
2667 for (i=0; i<leftover_len; i++)
2668 buf[i] = buf[leftover_start + i];
2671 /* copy new characters into the buffer */
2672 bp = buf + leftover_len;
2673 buf_len=leftover_len;
2674 for (i=0; i<count; i++)
2677 if (data[i] == '\r')
2680 // join lines split by ICS?
2681 if (!appData.noJoin)
2684 Joining just consists of finding matches against the
2685 continuation sequence, and discarding that sequence
2686 if found instead of copying it. So, until a match
2687 fails, there's nothing to do since it might be the
2688 complete sequence, and thus, something we don't want
2691 if (data[i] == cont_seq[cmatch])
2694 if (cmatch == strlen(cont_seq))
2696 cmatch = 0; // complete match. just reset the counter
2699 it's possible for the ICS to not include the space
2700 at the end of the last word, making our [correct]
2701 join operation fuse two separate words. the server
2702 does this when the space occurs at the width setting.
2704 if (!buf_len || buf[buf_len-1] != ' ')
2715 match failed, so we have to copy what matched before
2716 falling through and copying this character. In reality,
2717 this will only ever be just the newline character, but
2718 it doesn't hurt to be precise.
2720 strncpy(bp, cont_seq, cmatch);
2732 buf[buf_len] = NULLCHAR;
2733 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2738 while (i < buf_len) {
2739 /* Deal with part of the TELNET option negotiation
2740 protocol. We refuse to do anything beyond the
2741 defaults, except that we allow the WILL ECHO option,
2742 which ICS uses to turn off password echoing when we are
2743 directly connected to it. We reject this option
2744 if localLineEditing mode is on (always on in xboard)
2745 and we are talking to port 23, which might be a real
2746 telnet server that will try to keep WILL ECHO on permanently.
2748 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2749 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2750 unsigned char option;
2752 switch ((unsigned char) buf[++i]) {
2754 if (appData.debugMode)
2755 fprintf(debugFP, "\n<WILL ");
2756 switch (option = (unsigned char) buf[++i]) {
2758 if (appData.debugMode)
2759 fprintf(debugFP, "ECHO ");
2760 /* Reply only if this is a change, according
2761 to the protocol rules. */
2762 if (remoteEchoOption) break;
2763 if (appData.localLineEditing &&
2764 atoi(appData.icsPort) == TN_PORT) {
2765 TelnetRequest(TN_DONT, TN_ECHO);
2768 TelnetRequest(TN_DO, TN_ECHO);
2769 remoteEchoOption = TRUE;
2773 if (appData.debugMode)
2774 fprintf(debugFP, "%d ", option);
2775 /* Whatever this is, we don't want it. */
2776 TelnetRequest(TN_DONT, option);
2781 if (appData.debugMode)
2782 fprintf(debugFP, "\n<WONT ");
2783 switch (option = (unsigned char) buf[++i]) {
2785 if (appData.debugMode)
2786 fprintf(debugFP, "ECHO ");
2787 /* Reply only if this is a change, according
2788 to the protocol rules. */
2789 if (!remoteEchoOption) break;
2791 TelnetRequest(TN_DONT, TN_ECHO);
2792 remoteEchoOption = FALSE;
2795 if (appData.debugMode)
2796 fprintf(debugFP, "%d ", (unsigned char) option);
2797 /* Whatever this is, it must already be turned
2798 off, because we never agree to turn on
2799 anything non-default, so according to the
2800 protocol rules, we don't reply. */
2805 if (appData.debugMode)
2806 fprintf(debugFP, "\n<DO ");
2807 switch (option = (unsigned char) buf[++i]) {
2809 /* Whatever this is, we refuse to do it. */
2810 if (appData.debugMode)
2811 fprintf(debugFP, "%d ", option);
2812 TelnetRequest(TN_WONT, option);
2817 if (appData.debugMode)
2818 fprintf(debugFP, "\n<DONT ");
2819 switch (option = (unsigned char) buf[++i]) {
2821 if (appData.debugMode)
2822 fprintf(debugFP, "%d ", option);
2823 /* Whatever this is, we are already not doing
2824 it, because we never agree to do anything
2825 non-default, so according to the protocol
2826 rules, we don't reply. */
2831 if (appData.debugMode)
2832 fprintf(debugFP, "\n<IAC ");
2833 /* Doubled IAC; pass it through */
2837 if (appData.debugMode)
2838 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2839 /* Drop all other telnet commands on the floor */
2842 if (oldi > next_out)
2843 SendToPlayer(&buf[next_out], oldi - next_out);
2849 /* OK, this at least will *usually* work */
2850 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2854 if (loggedOn && !intfSet) {
2855 if (ics_type == ICS_ICC) {
2856 snprintf(str, MSG_SIZ,
2857 "/set-quietly interface %s\n/set-quietly style 12\n",
2859 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2860 strcat(str, "/set-2 51 1\n/set seek 1\n");
2861 } else if (ics_type == ICS_CHESSNET) {
2862 snprintf(str, MSG_SIZ, "/style 12\n");
2864 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2865 strcat(str, programVersion);
2866 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2867 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2868 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2870 strcat(str, "$iset nohighlight 1\n");
2872 strcat(str, "$iset lock 1\n$style 12\n");
2875 NotifyFrontendLogin();
2879 if (started == STARTED_COMMENT) {
2880 /* Accumulate characters in comment */
2881 parse[parse_pos++] = buf[i];
2882 if (buf[i] == '\n') {
2883 parse[parse_pos] = NULLCHAR;
2884 if(chattingPartner>=0) {
2886 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2887 OutputChatMessage(chattingPartner, mess);
2888 chattingPartner = -1;
2889 next_out = i+1; // [HGM] suppress printing in ICS window
2891 if(!suppressKibitz) // [HGM] kibitz
2892 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2893 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2894 int nrDigit = 0, nrAlph = 0, j;
2895 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2896 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2897 parse[parse_pos] = NULLCHAR;
2898 // try to be smart: if it does not look like search info, it should go to
2899 // ICS interaction window after all, not to engine-output window.
2900 for(j=0; j<parse_pos; j++) { // count letters and digits
2901 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2902 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2903 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2905 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2906 int depth=0; float score;
2907 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2908 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2909 pvInfoList[forwardMostMove-1].depth = depth;
2910 pvInfoList[forwardMostMove-1].score = 100*score;
2912 OutputKibitz(suppressKibitz, parse);
2915 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2916 SendToPlayer(tmp, strlen(tmp));
2918 next_out = i+1; // [HGM] suppress printing in ICS window
2920 started = STARTED_NONE;
2922 /* Don't match patterns against characters in comment */
2927 if (started == STARTED_CHATTER) {
2928 if (buf[i] != '\n') {
2929 /* Don't match patterns against characters in chatter */
2933 started = STARTED_NONE;
2934 if(suppressKibitz) next_out = i+1;
2937 /* Kludge to deal with rcmd protocol */
2938 if (firstTime && looking_at(buf, &i, "\001*")) {
2939 DisplayFatalError(&buf[1], 0, 1);
2945 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2948 if (appData.debugMode)
2949 fprintf(debugFP, "ics_type %d\n", ics_type);
2952 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2953 ics_type = ICS_FICS;
2955 if (appData.debugMode)
2956 fprintf(debugFP, "ics_type %d\n", ics_type);
2959 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2960 ics_type = ICS_CHESSNET;
2962 if (appData.debugMode)
2963 fprintf(debugFP, "ics_type %d\n", ics_type);
2968 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2969 looking_at(buf, &i, "Logging you in as \"*\"") ||
2970 looking_at(buf, &i, "will be \"*\""))) {
2971 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2975 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2977 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2978 DisplayIcsInteractionTitle(buf);
2979 have_set_title = TRUE;
2982 /* skip finger notes */
2983 if (started == STARTED_NONE &&
2984 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2985 (buf[i] == '1' && buf[i+1] == '0')) &&
2986 buf[i+2] == ':' && buf[i+3] == ' ') {
2987 started = STARTED_CHATTER;
2993 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2994 if(appData.seekGraph) {
2995 if(soughtPending && MatchSoughtLine(buf+i)) {
2996 i = strstr(buf+i, "rated") - buf;
2997 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2998 next_out = leftover_start = i;
2999 started = STARTED_CHATTER;
3000 suppressKibitz = TRUE;
3003 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3004 && looking_at(buf, &i, "* ads displayed")) {
3005 soughtPending = FALSE;
3010 if(appData.autoRefresh) {
3011 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3012 int s = (ics_type == ICS_ICC); // ICC format differs
3014 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3015 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3016 looking_at(buf, &i, "*% "); // eat prompt
3017 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3018 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3019 next_out = i; // suppress
3022 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3023 char *p = star_match[0];
3025 if(seekGraphUp) RemoveSeekAd(atoi(p));
3026 while(*p && *p++ != ' '); // next
3028 looking_at(buf, &i, "*% "); // eat prompt
3029 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3036 /* skip formula vars */
3037 if (started == STARTED_NONE &&
3038 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3039 started = STARTED_CHATTER;
3044 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3045 if (appData.autoKibitz && started == STARTED_NONE &&
3046 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3047 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3048 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3049 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3050 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3051 suppressKibitz = TRUE;
3052 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3054 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3055 && (gameMode == IcsPlayingWhite)) ||
3056 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3057 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3058 started = STARTED_CHATTER; // own kibitz we simply discard
3060 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3061 parse_pos = 0; parse[0] = NULLCHAR;
3062 savingComment = TRUE;
3063 suppressKibitz = gameMode != IcsObserving ? 2 :
3064 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3068 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3069 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3070 && atoi(star_match[0])) {
3071 // suppress the acknowledgements of our own autoKibitz
3073 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3074 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3075 SendToPlayer(star_match[0], strlen(star_match[0]));
3076 if(looking_at(buf, &i, "*% ")) // eat prompt
3077 suppressKibitz = FALSE;
3081 } // [HGM] kibitz: end of patch
3083 // [HGM] chat: intercept tells by users for which we have an open chat window
3085 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3086 looking_at(buf, &i, "* whispers:") ||
3087 looking_at(buf, &i, "* kibitzes:") ||
3088 looking_at(buf, &i, "* shouts:") ||
3089 looking_at(buf, &i, "* c-shouts:") ||
3090 looking_at(buf, &i, "--> * ") ||
3091 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3092 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3093 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3094 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3096 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3097 chattingPartner = -1;
3099 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3100 for(p=0; p<MAX_CHAT; p++) {
3101 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3102 talker[0] = '['; strcat(talker, "] ");
3103 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3104 chattingPartner = p; break;
3107 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3108 for(p=0; p<MAX_CHAT; p++) {
3109 if(!strcmp("kibitzes", chatPartner[p])) {
3110 talker[0] = '['; strcat(talker, "] ");
3111 chattingPartner = p; break;
3114 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3115 for(p=0; p<MAX_CHAT; p++) {
3116 if(!strcmp("whispers", chatPartner[p])) {
3117 talker[0] = '['; strcat(talker, "] ");
3118 chattingPartner = p; break;
3121 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3122 if(buf[i-8] == '-' && buf[i-3] == 't')
3123 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3124 if(!strcmp("c-shouts", chatPartner[p])) {
3125 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3126 chattingPartner = p; break;
3129 if(chattingPartner < 0)
3130 for(p=0; p<MAX_CHAT; p++) {
3131 if(!strcmp("shouts", chatPartner[p])) {
3132 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3133 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3134 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3135 chattingPartner = p; break;
3139 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3140 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3141 talker[0] = 0; Colorize(ColorTell, FALSE);
3142 chattingPartner = p; break;
3144 if(chattingPartner<0) i = oldi; else {
3145 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3146 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3147 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3148 started = STARTED_COMMENT;
3149 parse_pos = 0; parse[0] = NULLCHAR;
3150 savingComment = 3 + chattingPartner; // counts as TRUE
3151 suppressKibitz = TRUE;
3154 } // [HGM] chat: end of patch
3157 if (appData.zippyTalk || appData.zippyPlay) {
3158 /* [DM] Backup address for color zippy lines */
3160 if (loggedOn == TRUE)
3161 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3162 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3164 } // [DM] 'else { ' deleted
3166 /* Regular tells and says */
3167 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3168 looking_at(buf, &i, "* (your partner) tells you: ") ||
3169 looking_at(buf, &i, "* says: ") ||
3170 /* Don't color "message" or "messages" output */
3171 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3172 looking_at(buf, &i, "*. * at *:*: ") ||
3173 looking_at(buf, &i, "--* (*:*): ") ||
3174 /* Message notifications (same color as tells) */
3175 looking_at(buf, &i, "* has left a message ") ||
3176 looking_at(buf, &i, "* just sent you a message:\n") ||
3177 /* Whispers and kibitzes */
3178 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3179 looking_at(buf, &i, "* kibitzes: ") ||
3181 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3183 if (tkind == 1 && strchr(star_match[0], ':')) {
3184 /* Avoid "tells you:" spoofs in channels */
3187 if (star_match[0][0] == NULLCHAR ||
3188 strchr(star_match[0], ' ') ||
3189 (tkind == 3 && strchr(star_match[1], ' '))) {
3190 /* Reject bogus matches */
3193 if (appData.colorize) {
3194 if (oldi > next_out) {
3195 SendToPlayer(&buf[next_out], oldi - next_out);
3200 Colorize(ColorTell, FALSE);
3201 curColor = ColorTell;
3204 Colorize(ColorKibitz, FALSE);
3205 curColor = ColorKibitz;
3208 p = strrchr(star_match[1], '(');
3215 Colorize(ColorChannel1, FALSE);
3216 curColor = ColorChannel1;
3218 Colorize(ColorChannel, FALSE);
3219 curColor = ColorChannel;
3223 curColor = ColorNormal;
3227 if (started == STARTED_NONE && appData.autoComment &&
3228 (gameMode == IcsObserving ||
3229 gameMode == IcsPlayingWhite ||
3230 gameMode == IcsPlayingBlack)) {
3231 parse_pos = i - oldi;
3232 memcpy(parse, &buf[oldi], parse_pos);
3233 parse[parse_pos] = NULLCHAR;
3234 started = STARTED_COMMENT;
3235 savingComment = TRUE;
3237 started = STARTED_CHATTER;
3238 savingComment = FALSE;
3245 if (looking_at(buf, &i, "* s-shouts: ") ||
3246 looking_at(buf, &i, "* c-shouts: ")) {
3247 if (appData.colorize) {
3248 if (oldi > next_out) {
3249 SendToPlayer(&buf[next_out], oldi - next_out);
3252 Colorize(ColorSShout, FALSE);
3253 curColor = ColorSShout;
3256 started = STARTED_CHATTER;
3260 if (looking_at(buf, &i, "--->")) {
3265 if (looking_at(buf, &i, "* shouts: ") ||
3266 looking_at(buf, &i, "--> ")) {
3267 if (appData.colorize) {
3268 if (oldi > next_out) {
3269 SendToPlayer(&buf[next_out], oldi - next_out);
3272 Colorize(ColorShout, FALSE);
3273 curColor = ColorShout;
3276 started = STARTED_CHATTER;
3280 if (looking_at( buf, &i, "Challenge:")) {
3281 if (appData.colorize) {
3282 if (oldi > next_out) {
3283 SendToPlayer(&buf[next_out], oldi - next_out);
3286 Colorize(ColorChallenge, FALSE);
3287 curColor = ColorChallenge;
3293 if (looking_at(buf, &i, "* offers you") ||
3294 looking_at(buf, &i, "* offers to be") ||
3295 looking_at(buf, &i, "* would like to") ||
3296 looking_at(buf, &i, "* requests to") ||
3297 looking_at(buf, &i, "Your opponent offers") ||
3298 looking_at(buf, &i, "Your opponent requests")) {
3300 if (appData.colorize) {
3301 if (oldi > next_out) {
3302 SendToPlayer(&buf[next_out], oldi - next_out);
3305 Colorize(ColorRequest, FALSE);
3306 curColor = ColorRequest;
3311 if (looking_at(buf, &i, "* (*) seeking")) {
3312 if (appData.colorize) {
3313 if (oldi > next_out) {
3314 SendToPlayer(&buf[next_out], oldi - next_out);
3317 Colorize(ColorSeek, FALSE);
3318 curColor = ColorSeek;
3323 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3325 if (looking_at(buf, &i, "\\ ")) {
3326 if (prevColor != ColorNormal) {
3327 if (oldi > next_out) {
3328 SendToPlayer(&buf[next_out], oldi - next_out);
3331 Colorize(prevColor, TRUE);
3332 curColor = prevColor;
3334 if (savingComment) {
3335 parse_pos = i - oldi;
3336 memcpy(parse, &buf[oldi], parse_pos);
3337 parse[parse_pos] = NULLCHAR;
3338 started = STARTED_COMMENT;
3339 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3340 chattingPartner = savingComment - 3; // kludge to remember the box
3342 started = STARTED_CHATTER;
3347 if (looking_at(buf, &i, "Black Strength :") ||
3348 looking_at(buf, &i, "<<< style 10 board >>>") ||
3349 looking_at(buf, &i, "<10>") ||
3350 looking_at(buf, &i, "#@#")) {
3351 /* Wrong board style */
3353 SendToICS(ics_prefix);
3354 SendToICS("set style 12\n");
3355 SendToICS(ics_prefix);
3356 SendToICS("refresh\n");
3360 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3362 have_sent_ICS_logon = 1;
3366 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3367 (looking_at(buf, &i, "\n<12> ") ||
3368 looking_at(buf, &i, "<12> "))) {
3370 if (oldi > next_out) {
3371 SendToPlayer(&buf[next_out], oldi - next_out);
3374 started = STARTED_BOARD;
3379 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3380 looking_at(buf, &i, "<b1> ")) {
3381 if (oldi > next_out) {
3382 SendToPlayer(&buf[next_out], oldi - next_out);
3385 started = STARTED_HOLDINGS;
3390 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3392 /* Header for a move list -- first line */
3394 switch (ics_getting_history) {
3398 case BeginningOfGame:
3399 /* User typed "moves" or "oldmoves" while we
3400 were idle. Pretend we asked for these
3401 moves and soak them up so user can step
3402 through them and/or save them.
3405 gameMode = IcsObserving;
3408 ics_getting_history = H_GOT_UNREQ_HEADER;
3410 case EditGame: /*?*/
3411 case EditPosition: /*?*/
3412 /* Should above feature work in these modes too? */
3413 /* For now it doesn't */
3414 ics_getting_history = H_GOT_UNWANTED_HEADER;
3417 ics_getting_history = H_GOT_UNWANTED_HEADER;
3422 /* Is this the right one? */
3423 if (gameInfo.white && gameInfo.black &&
3424 strcmp(gameInfo.white, star_match[0]) == 0 &&
3425 strcmp(gameInfo.black, star_match[2]) == 0) {
3427 ics_getting_history = H_GOT_REQ_HEADER;
3430 case H_GOT_REQ_HEADER:
3431 case H_GOT_UNREQ_HEADER:
3432 case H_GOT_UNWANTED_HEADER:
3433 case H_GETTING_MOVES:
3434 /* Should not happen */
3435 DisplayError(_("Error gathering move list: two headers"), 0);
3436 ics_getting_history = H_FALSE;
3440 /* Save player ratings into gameInfo if needed */
3441 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3442 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3443 (gameInfo.whiteRating == -1 ||
3444 gameInfo.blackRating == -1)) {
3446 gameInfo.whiteRating = string_to_rating(star_match[1]);
3447 gameInfo.blackRating = string_to_rating(star_match[3]);
3448 if (appData.debugMode)
3449 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3450 gameInfo.whiteRating, gameInfo.blackRating);
3455 if (looking_at(buf, &i,
3456 "* * match, initial time: * minute*, increment: * second")) {
3457 /* Header for a move list -- second line */
3458 /* Initial board will follow if this is a wild game */
3459 if (gameInfo.event != NULL) free(gameInfo.event);
3460 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3461 gameInfo.event = StrSave(str);
3462 /* [HGM] we switched variant. Translate boards if needed. */
3463 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3467 if (looking_at(buf, &i, "Move ")) {
3468 /* Beginning of a move list */
3469 switch (ics_getting_history) {
3471 /* Normally should not happen */
3472 /* Maybe user hit reset while we were parsing */
3475 /* Happens if we are ignoring a move list that is not
3476 * the one we just requested. Common if the user
3477 * tries to observe two games without turning off
3480 case H_GETTING_MOVES:
3481 /* Should not happen */
3482 DisplayError(_("Error gathering move list: nested"), 0);
3483 ics_getting_history = H_FALSE;
3485 case H_GOT_REQ_HEADER:
3486 ics_getting_history = H_GETTING_MOVES;
3487 started = STARTED_MOVES;
3489 if (oldi > next_out) {
3490 SendToPlayer(&buf[next_out], oldi - next_out);
3493 case H_GOT_UNREQ_HEADER:
3494 ics_getting_history = H_GETTING_MOVES;
3495 started = STARTED_MOVES_NOHIDE;
3498 case H_GOT_UNWANTED_HEADER:
3499 ics_getting_history = H_FALSE;
3505 if (looking_at(buf, &i, "% ") ||
3506 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3507 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3508 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3509 soughtPending = FALSE;
3513 if(suppressKibitz) next_out = i;
3514 savingComment = FALSE;
3518 case STARTED_MOVES_NOHIDE:
3519 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3520 parse[parse_pos + i - oldi] = NULLCHAR;
3521 ParseGameHistory(parse);
3523 if (appData.zippyPlay && first.initDone) {
3524 FeedMovesToProgram(&first, forwardMostMove);
3525 if (gameMode == IcsPlayingWhite) {
3526 if (WhiteOnMove(forwardMostMove)) {
3527 if (first.sendTime) {
3528 if (first.useColors) {
3529 SendToProgram("black\n", &first);
3531 SendTimeRemaining(&first, TRUE);
3533 if (first.useColors) {
3534 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3536 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3537 first.maybeThinking = TRUE;
3539 if (first.usePlayother) {
3540 if (first.sendTime) {
3541 SendTimeRemaining(&first, TRUE);
3543 SendToProgram("playother\n", &first);
3549 } else if (gameMode == IcsPlayingBlack) {
3550 if (!WhiteOnMove(forwardMostMove)) {
3551 if (first.sendTime) {
3552 if (first.useColors) {
3553 SendToProgram("white\n", &first);
3555 SendTimeRemaining(&first, FALSE);
3557 if (first.useColors) {
3558 SendToProgram("black\n", &first);
3560 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3561 first.maybeThinking = TRUE;
3563 if (first.usePlayother) {
3564 if (first.sendTime) {
3565 SendTimeRemaining(&first, FALSE);
3567 SendToProgram("playother\n", &first);
3576 if (gameMode == IcsObserving && ics_gamenum == -1) {
3577 /* Moves came from oldmoves or moves command
3578 while we weren't doing anything else.
3580 currentMove = forwardMostMove;
3581 ClearHighlights();/*!!could figure this out*/
3582 flipView = appData.flipView;
3583 DrawPosition(TRUE, boards[currentMove]);
3584 DisplayBothClocks();
3585 snprintf(str, MSG_SIZ, "%s vs. %s",
3586 gameInfo.white, gameInfo.black);
3590 /* Moves were history of an active game */
3591 if (gameInfo.resultDetails != NULL) {
3592 free(gameInfo.resultDetails);
3593 gameInfo.resultDetails = NULL;
3596 HistorySet(parseList, backwardMostMove,
3597 forwardMostMove, currentMove-1);
3598 DisplayMove(currentMove - 1);
3599 if (started == STARTED_MOVES) next_out = i;
3600 started = STARTED_NONE;
3601 ics_getting_history = H_FALSE;
3604 case STARTED_OBSERVE:
3605 started = STARTED_NONE;
3606 SendToICS(ics_prefix);
3607 SendToICS("refresh\n");
3613 if(bookHit) { // [HGM] book: simulate book reply
3614 static char bookMove[MSG_SIZ]; // a bit generous?
3616 programStats.nodes = programStats.depth = programStats.time =
3617 programStats.score = programStats.got_only_move = 0;
3618 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3620 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3621 strcat(bookMove, bookHit);
3622 HandleMachineMove(bookMove, &first);
3627 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3628 started == STARTED_HOLDINGS ||
3629 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3630 /* Accumulate characters in move list or board */
3631 parse[parse_pos++] = buf[i];
3634 /* Start of game messages. Mostly we detect start of game
3635 when the first board image arrives. On some versions
3636 of the ICS, though, we need to do a "refresh" after starting
3637 to observe in order to get the current board right away. */
3638 if (looking_at(buf, &i, "Adding game * to observation list")) {
3639 started = STARTED_OBSERVE;
3643 /* Handle auto-observe */
3644 if (appData.autoObserve &&
3645 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3646 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3648 /* Choose the player that was highlighted, if any. */
3649 if (star_match[0][0] == '\033' ||
3650 star_match[1][0] != '\033') {
3651 player = star_match[0];
3653 player = star_match[2];
3655 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3656 ics_prefix, StripHighlightAndTitle(player));
3659 /* Save ratings from notify string */
3660 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3661 player1Rating = string_to_rating(star_match[1]);
3662 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3663 player2Rating = string_to_rating(star_match[3]);
3665 if (appData.debugMode)
3667 "Ratings from 'Game notification:' %s %d, %s %d\n",
3668 player1Name, player1Rating,
3669 player2Name, player2Rating);
3674 /* Deal with automatic examine mode after a game,
3675 and with IcsObserving -> IcsExamining transition */
3676 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3677 looking_at(buf, &i, "has made you an examiner of game *")) {
3679 int gamenum = atoi(star_match[0]);
3680 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3681 gamenum == ics_gamenum) {
3682 /* We were already playing or observing this game;
3683 no need to refetch history */
3684 gameMode = IcsExamining;
3686 pauseExamForwardMostMove = forwardMostMove;
3687 } else if (currentMove < forwardMostMove) {
3688 ForwardInner(forwardMostMove);
3691 /* I don't think this case really can happen */
3692 SendToICS(ics_prefix);
3693 SendToICS("refresh\n");
3698 /* Error messages */
3699 // if (ics_user_moved) {
3700 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3701 if (looking_at(buf, &i, "Illegal move") ||
3702 looking_at(buf, &i, "Not a legal move") ||
3703 looking_at(buf, &i, "Your king is in check") ||
3704 looking_at(buf, &i, "It isn't your turn") ||
3705 looking_at(buf, &i, "It is not your move")) {
3707 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3708 currentMove = forwardMostMove-1;
3709 DisplayMove(currentMove - 1); /* before DMError */
3710 DrawPosition(FALSE, boards[currentMove]);
3711 SwitchClocks(forwardMostMove-1); // [HGM] race
3712 DisplayBothClocks();
3714 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3720 if (looking_at(buf, &i, "still have time") ||
3721 looking_at(buf, &i, "not out of time") ||
3722 looking_at(buf, &i, "either player is out of time") ||
3723 looking_at(buf, &i, "has timeseal; checking")) {
3724 /* We must have called his flag a little too soon */
3725 whiteFlag = blackFlag = FALSE;
3729 if (looking_at(buf, &i, "added * seconds to") ||
3730 looking_at(buf, &i, "seconds were added to")) {
3731 /* Update the clocks */
3732 SendToICS(ics_prefix);
3733 SendToICS("refresh\n");
3737 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3738 ics_clock_paused = TRUE;
3743 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3744 ics_clock_paused = FALSE;
3749 /* Grab player ratings from the Creating: message.
3750 Note we have to check for the special case when
3751 the ICS inserts things like [white] or [black]. */
3752 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3753 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3755 0 player 1 name (not necessarily white)
3757 2 empty, white, or black (IGNORED)
3758 3 player 2 name (not necessarily black)
3761 The names/ratings are sorted out when the game
3762 actually starts (below).
3764 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3765 player1Rating = string_to_rating(star_match[1]);
3766 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3767 player2Rating = string_to_rating(star_match[4]);
3769 if (appData.debugMode)
3771 "Ratings from 'Creating:' %s %d, %s %d\n",
3772 player1Name, player1Rating,
3773 player2Name, player2Rating);
3778 /* Improved generic start/end-of-game messages */
3779 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3780 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3781 /* If tkind == 0: */
3782 /* star_match[0] is the game number */
3783 /* [1] is the white player's name */
3784 /* [2] is the black player's name */
3785 /* For end-of-game: */
3786 /* [3] is the reason for the game end */
3787 /* [4] is a PGN end game-token, preceded by " " */
3788 /* For start-of-game: */
3789 /* [3] begins with "Creating" or "Continuing" */
3790 /* [4] is " *" or empty (don't care). */
3791 int gamenum = atoi(star_match[0]);
3792 char *whitename, *blackname, *why, *endtoken;
3793 ChessMove endtype = EndOfFile;
3796 whitename = star_match[1];
3797 blackname = star_match[2];
3798 why = star_match[3];
3799 endtoken = star_match[4];
3801 whitename = star_match[1];
3802 blackname = star_match[3];
3803 why = star_match[5];
3804 endtoken = star_match[6];
3807 /* Game start messages */
3808 if (strncmp(why, "Creating ", 9) == 0 ||
3809 strncmp(why, "Continuing ", 11) == 0) {
3810 gs_gamenum = gamenum;
3811 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3812 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3814 if (appData.zippyPlay) {
3815 ZippyGameStart(whitename, blackname);
3818 partnerBoardValid = FALSE; // [HGM] bughouse
3822 /* Game end messages */
3823 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3824 ics_gamenum != gamenum) {
3827 while (endtoken[0] == ' ') endtoken++;
3828 switch (endtoken[0]) {
3831 endtype = GameUnfinished;
3834 endtype = BlackWins;
3837 if (endtoken[1] == '/')
3838 endtype = GameIsDrawn;
3840 endtype = WhiteWins;
3843 GameEnds(endtype, why, GE_ICS);
3845 if (appData.zippyPlay && first.initDone) {
3846 ZippyGameEnd(endtype, why);
3847 if (first.pr == NULL) {
3848 /* Start the next process early so that we'll
3849 be ready for the next challenge */
3850 StartChessProgram(&first);
3852 /* Send "new" early, in case this command takes
3853 a long time to finish, so that we'll be ready
3854 for the next challenge. */
3855 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3859 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3863 if (looking_at(buf, &i, "Removing game * from observation") ||
3864 looking_at(buf, &i, "no longer observing game *") ||
3865 looking_at(buf, &i, "Game * (*) has no examiners")) {
3866 if (gameMode == IcsObserving &&
3867 atoi(star_match[0]) == ics_gamenum)
3869 /* icsEngineAnalyze */
3870 if (appData.icsEngineAnalyze) {
3877 ics_user_moved = FALSE;
3882 if (looking_at(buf, &i, "no longer examining game *")) {
3883 if (gameMode == IcsExamining &&
3884 atoi(star_match[0]) == ics_gamenum)
3888 ics_user_moved = FALSE;
3893 /* Advance leftover_start past any newlines we find,
3894 so only partial lines can get reparsed */
3895 if (looking_at(buf, &i, "\n")) {
3896 prevColor = curColor;
3897 if (curColor != ColorNormal) {
3898 if (oldi > next_out) {
3899 SendToPlayer(&buf[next_out], oldi - next_out);
3902 Colorize(ColorNormal, FALSE);
3903 curColor = ColorNormal;
3905 if (started == STARTED_BOARD) {
3906 started = STARTED_NONE;
3907 parse[parse_pos] = NULLCHAR;
3908 ParseBoard12(parse);
3911 /* Send premove here */
3912 if (appData.premove) {
3914 if (currentMove == 0 &&
3915 gameMode == IcsPlayingWhite &&
3916 appData.premoveWhite) {
3917 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3918 if (appData.debugMode)
3919 fprintf(debugFP, "Sending premove:\n");
3921 } else if (currentMove == 1 &&
3922 gameMode == IcsPlayingBlack &&
3923 appData.premoveBlack) {
3924 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3925 if (appData.debugMode)
3926 fprintf(debugFP, "Sending premove:\n");
3928 } else if (gotPremove) {
3930 ClearPremoveHighlights();
3931 if (appData.debugMode)
3932 fprintf(debugFP, "Sending premove:\n");
3933 UserMoveEvent(premoveFromX, premoveFromY,
3934 premoveToX, premoveToY,
3939 /* Usually suppress following prompt */
3940 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3941 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3942 if (looking_at(buf, &i, "*% ")) {
3943 savingComment = FALSE;
3948 } else if (started == STARTED_HOLDINGS) {
3950 char new_piece[MSG_SIZ];
3951 started = STARTED_NONE;
3952 parse[parse_pos] = NULLCHAR;
3953 if (appData.debugMode)
3954 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3955 parse, currentMove);
3956 if (sscanf(parse, " game %d", &gamenum) == 1) {
3957 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3958 if (gameInfo.variant == VariantNormal) {
3959 /* [HGM] We seem to switch variant during a game!
3960 * Presumably no holdings were displayed, so we have
3961 * to move the position two files to the right to
3962 * create room for them!
3964 VariantClass newVariant;
3965 switch(gameInfo.boardWidth) { // base guess on board width
3966 case 9: newVariant = VariantShogi; break;
3967 case 10: newVariant = VariantGreat; break;
3968 default: newVariant = VariantCrazyhouse; break;
3970 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3971 /* Get a move list just to see the header, which
3972 will tell us whether this is really bug or zh */
3973 if (ics_getting_history == H_FALSE) {
3974 ics_getting_history = H_REQUESTED;
3975 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3979 new_piece[0] = NULLCHAR;
3980 sscanf(parse, "game %d white [%s black [%s <- %s",
3981 &gamenum, white_holding, black_holding,
3983 white_holding[strlen(white_holding)-1] = NULLCHAR;
3984 black_holding[strlen(black_holding)-1] = NULLCHAR;
3985 /* [HGM] copy holdings to board holdings area */
3986 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3987 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3988 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3990 if (appData.zippyPlay && first.initDone) {
3991 ZippyHoldings(white_holding, black_holding,
3995 if (tinyLayout || smallLayout) {
3996 char wh[16], bh[16];
3997 PackHolding(wh, white_holding);
3998 PackHolding(bh, black_holding);
3999 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4000 gameInfo.white, gameInfo.black);
4002 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4003 gameInfo.white, white_holding,
4004 gameInfo.black, black_holding);
4006 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4007 DrawPosition(FALSE, boards[currentMove]);
4009 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4010 sscanf(parse, "game %d white [%s black [%s <- %s",
4011 &gamenum, white_holding, black_holding,
4013 white_holding[strlen(white_holding)-1] = NULLCHAR;
4014 black_holding[strlen(black_holding)-1] = NULLCHAR;
4015 /* [HGM] copy holdings to partner-board holdings area */
4016 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4017 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4018 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4019 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4020 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4023 /* Suppress following prompt */
4024 if (looking_at(buf, &i, "*% ")) {
4025 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4026 savingComment = FALSE;
4034 i++; /* skip unparsed character and loop back */
4037 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4038 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4039 // SendToPlayer(&buf[next_out], i - next_out);
4040 started != STARTED_HOLDINGS && leftover_start > next_out) {
4041 SendToPlayer(&buf[next_out], leftover_start - next_out);
4045 leftover_len = buf_len - leftover_start;
4046 /* if buffer ends with something we couldn't parse,
4047 reparse it after appending the next read */
4049 } else if (count == 0) {
4050 RemoveInputSource(isr);
4051 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4053 DisplayFatalError(_("Error reading from ICS"), error, 1);
4058 /* Board style 12 looks like this:
4060 <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
4062 * The "<12> " is stripped before it gets to this routine. The two
4063 * trailing 0's (flip state and clock ticking) are later addition, and
4064 * some chess servers may not have them, or may have only the first.
4065 * Additional trailing fields may be added in the future.
4068 #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"
4070 #define RELATION_OBSERVING_PLAYED 0
4071 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4072 #define RELATION_PLAYING_MYMOVE 1
4073 #define RELATION_PLAYING_NOTMYMOVE -1
4074 #define RELATION_EXAMINING 2
4075 #define RELATION_ISOLATED_BOARD -3
4076 #define RELATION_STARTING_POSITION -4 /* FICS only */
4079 ParseBoard12(string)
4082 GameMode newGameMode;
4083 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4084 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4085 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4086 char to_play, board_chars[200];
4087 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4088 char black[32], white[32];
4090 int prevMove = currentMove;
4093 int fromX, fromY, toX, toY;
4095 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4096 char *bookHit = NULL; // [HGM] book
4097 Boolean weird = FALSE, reqFlag = FALSE;
4099 fromX = fromY = toX = toY = -1;
4103 if (appData.debugMode)
4104 fprintf(debugFP, _("Parsing board: %s\n"), string);
4106 move_str[0] = NULLCHAR;
4107 elapsed_time[0] = NULLCHAR;
4108 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4110 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4111 if(string[i] == ' ') { ranks++; files = 0; }
4113 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4116 for(j = 0; j <i; j++) board_chars[j] = string[j];
4117 board_chars[i] = '\0';
4120 n = sscanf(string, PATTERN, &to_play, &double_push,
4121 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4122 &gamenum, white, black, &relation, &basetime, &increment,
4123 &white_stren, &black_stren, &white_time, &black_time,
4124 &moveNum, str, elapsed_time, move_str, &ics_flip,
4128 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4129 DisplayError(str, 0);
4133 /* Convert the move number to internal form */
4134 moveNum = (moveNum - 1) * 2;
4135 if (to_play == 'B') moveNum++;
4136 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4137 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4143 case RELATION_OBSERVING_PLAYED:
4144 case RELATION_OBSERVING_STATIC:
4145 if (gamenum == -1) {
4146 /* Old ICC buglet */
4147 relation = RELATION_OBSERVING_STATIC;
4149 newGameMode = IcsObserving;
4151 case RELATION_PLAYING_MYMOVE:
4152 case RELATION_PLAYING_NOTMYMOVE:
4154 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4155 IcsPlayingWhite : IcsPlayingBlack;
4157 case RELATION_EXAMINING:
4158 newGameMode = IcsExamining;
4160 case RELATION_ISOLATED_BOARD:
4162 /* Just display this board. If user was doing something else,
4163 we will forget about it until the next board comes. */
4164 newGameMode = IcsIdle;
4166 case RELATION_STARTING_POSITION:
4167 newGameMode = gameMode;
4171 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4172 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4173 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4175 for (k = 0; k < ranks; k++) {
4176 for (j = 0; j < files; j++)
4177 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4178 if(gameInfo.holdingsWidth > 1) {
4179 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4180 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4183 CopyBoard(partnerBoard, board);
4184 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4185 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4186 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4187 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4188 if(toSqr = strchr(str, '-')) {
4189 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4190 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4191 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4192 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4193 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4194 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4195 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4196 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4197 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4198 DisplayMessage(partnerStatus, "");
4199 partnerBoardValid = TRUE;
4203 /* Modify behavior for initial board display on move listing
4206 switch (ics_getting_history) {
4210 case H_GOT_REQ_HEADER:
4211 case H_GOT_UNREQ_HEADER:
4212 /* This is the initial position of the current game */
4213 gamenum = ics_gamenum;
4214 moveNum = 0; /* old ICS bug workaround */
4215 if (to_play == 'B') {
4216 startedFromSetupPosition = TRUE;
4217 blackPlaysFirst = TRUE;
4219 if (forwardMostMove == 0) forwardMostMove = 1;
4220 if (backwardMostMove == 0) backwardMostMove = 1;
4221 if (currentMove == 0) currentMove = 1;
4223 newGameMode = gameMode;
4224 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4226 case H_GOT_UNWANTED_HEADER:
4227 /* This is an initial board that we don't want */
4229 case H_GETTING_MOVES:
4230 /* Should not happen */
4231 DisplayError(_("Error gathering move list: extra board"), 0);
4232 ics_getting_history = H_FALSE;
4236 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4237 weird && (int)gameInfo.variant < (int)VariantShogi) {
4238 /* [HGM] We seem to have switched variant unexpectedly
4239 * Try to guess new variant from board size
4241 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4242 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4243 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4244 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4245 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4246 if(!weird) newVariant = VariantNormal;
4247 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4248 /* Get a move list just to see the header, which
4249 will tell us whether this is really bug or zh */
4250 if (ics_getting_history == H_FALSE) {
4251 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4252 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4257 /* Take action if this is the first board of a new game, or of a
4258 different game than is currently being displayed. */
4259 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4260 relation == RELATION_ISOLATED_BOARD) {
4262 /* Forget the old game and get the history (if any) of the new one */
4263 if (gameMode != BeginningOfGame) {
4267 if (appData.autoRaiseBoard) BoardToTop();
4269 if (gamenum == -1) {
4270 newGameMode = IcsIdle;
4271 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4272 appData.getMoveList && !reqFlag) {
4273 /* Need to get game history */
4274 ics_getting_history = H_REQUESTED;
4275 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4279 /* Initially flip the board to have black on the bottom if playing
4280 black or if the ICS flip flag is set, but let the user change
4281 it with the Flip View button. */
4282 flipView = appData.autoFlipView ?
4283 (newGameMode == IcsPlayingBlack) || ics_flip :
4286 /* Done with values from previous mode; copy in new ones */
4287 gameMode = newGameMode;
4289 ics_gamenum = gamenum;
4290 if (gamenum == gs_gamenum) {
4291 int klen = strlen(gs_kind);
4292 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4293 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4294 gameInfo.event = StrSave(str);
4296 gameInfo.event = StrSave("ICS game");
4298 gameInfo.site = StrSave(appData.icsHost);
4299 gameInfo.date = PGNDate();
4300 gameInfo.round = StrSave("-");
4301 gameInfo.white = StrSave(white);
4302 gameInfo.black = StrSave(black);
4303 timeControl = basetime * 60 * 1000;
4305 timeIncrement = increment * 1000;
4306 movesPerSession = 0;
4307 gameInfo.timeControl = TimeControlTagValue();
4308 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4309 if (appData.debugMode) {
4310 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4311 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4312 setbuf(debugFP, NULL);
4315 gameInfo.outOfBook = NULL;
4317 /* Do we have the ratings? */
4318 if (strcmp(player1Name, white) == 0 &&
4319 strcmp(player2Name, black) == 0) {
4320 if (appData.debugMode)
4321 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4322 player1Rating, player2Rating);
4323 gameInfo.whiteRating = player1Rating;
4324 gameInfo.blackRating = player2Rating;
4325 } else if (strcmp(player2Name, white) == 0 &&
4326 strcmp(player1Name, black) == 0) {
4327 if (appData.debugMode)
4328 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4329 player2Rating, player1Rating);
4330 gameInfo.whiteRating = player2Rating;
4331 gameInfo.blackRating = player1Rating;
4333 player1Name[0] = player2Name[0] = NULLCHAR;
4335 /* Silence shouts if requested */
4336 if (appData.quietPlay &&
4337 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4338 SendToICS(ics_prefix);
4339 SendToICS("set shout 0\n");
4343 /* Deal with midgame name changes */
4345 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4346 if (gameInfo.white) free(gameInfo.white);
4347 gameInfo.white = StrSave(white);
4349 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4350 if (gameInfo.black) free(gameInfo.black);
4351 gameInfo.black = StrSave(black);
4355 /* Throw away game result if anything actually changes in examine mode */
4356 if (gameMode == IcsExamining && !newGame) {
4357 gameInfo.result = GameUnfinished;
4358 if (gameInfo.resultDetails != NULL) {
4359 free(gameInfo.resultDetails);
4360 gameInfo.resultDetails = NULL;
4364 /* In pausing && IcsExamining mode, we ignore boards coming
4365 in if they are in a different variation than we are. */
4366 if (pauseExamInvalid) return;
4367 if (pausing && gameMode == IcsExamining) {
4368 if (moveNum <= pauseExamForwardMostMove) {
4369 pauseExamInvalid = TRUE;
4370 forwardMostMove = pauseExamForwardMostMove;
4375 if (appData.debugMode) {
4376 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4378 /* Parse the board */
4379 for (k = 0; k < ranks; k++) {
4380 for (j = 0; j < files; j++)
4381 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4382 if(gameInfo.holdingsWidth > 1) {
4383 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4384 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4387 CopyBoard(boards[moveNum], board);
4388 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4390 startedFromSetupPosition =
4391 !CompareBoards(board, initialPosition);
4392 if(startedFromSetupPosition)
4393 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4396 /* [HGM] Set castling rights. Take the outermost Rooks,
4397 to make it also work for FRC opening positions. Note that board12
4398 is really defective for later FRC positions, as it has no way to
4399 indicate which Rook can castle if they are on the same side of King.
4400 For the initial position we grant rights to the outermost Rooks,
4401 and remember thos rights, and we then copy them on positions
4402 later in an FRC game. This means WB might not recognize castlings with
4403 Rooks that have moved back to their original position as illegal,
4404 but in ICS mode that is not its job anyway.
4406 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4407 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4409 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4410 if(board[0][i] == WhiteRook) j = i;
4411 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4412 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4413 if(board[0][i] == WhiteRook) j = i;
4414 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4415 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4416 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4417 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4418 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4419 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4420 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4422 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4423 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4424 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4425 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4426 if(board[BOARD_HEIGHT-1][k] == bKing)
4427 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4428 if(gameInfo.variant == VariantTwoKings) {
4429 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4430 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4431 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4434 r = boards[moveNum][CASTLING][0] = initialRights[0];
4435 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4436 r = boards[moveNum][CASTLING][1] = initialRights[1];
4437 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4438 r = boards[moveNum][CASTLING][3] = initialRights[3];
4439 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4440 r = boards[moveNum][CASTLING][4] = initialRights[4];
4441 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4442 /* wildcastle kludge: always assume King has rights */
4443 r = boards[moveNum][CASTLING][2] = initialRights[2];
4444 r = boards[moveNum][CASTLING][5] = initialRights[5];
4446 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4447 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4450 if (ics_getting_history == H_GOT_REQ_HEADER ||
4451 ics_getting_history == H_GOT_UNREQ_HEADER) {
4452 /* This was an initial position from a move list, not
4453 the current position */
4457 /* Update currentMove and known move number limits */
4458 newMove = newGame || moveNum > forwardMostMove;
4461 forwardMostMove = backwardMostMove = currentMove = moveNum;
4462 if (gameMode == IcsExamining && moveNum == 0) {
4463 /* Workaround for ICS limitation: we are not told the wild
4464 type when starting to examine a game. But if we ask for
4465 the move list, the move list header will tell us */
4466 ics_getting_history = H_REQUESTED;
4467 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4470 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4471 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4473 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4474 /* [HGM] applied this also to an engine that is silently watching */
4475 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4476 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4477 gameInfo.variant == currentlyInitializedVariant) {
4478 takeback = forwardMostMove - moveNum;
4479 for (i = 0; i < takeback; i++) {
4480 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4481 SendToProgram("undo\n", &first);
4486 forwardMostMove = moveNum;
4487 if (!pausing || currentMove > forwardMostMove)
4488 currentMove = forwardMostMove;
4490 /* New part of history that is not contiguous with old part */
4491 if (pausing && gameMode == IcsExamining) {
4492 pauseExamInvalid = TRUE;
4493 forwardMostMove = pauseExamForwardMostMove;
4496 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4498 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4499 // [HGM] when we will receive the move list we now request, it will be
4500 // fed to the engine from the first move on. So if the engine is not
4501 // in the initial position now, bring it there.
4502 InitChessProgram(&first, 0);
4505 ics_getting_history = H_REQUESTED;
4506 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4509 forwardMostMove = backwardMostMove = currentMove = moveNum;
4512 /* Update the clocks */
4513 if (strchr(elapsed_time, '.')) {
4515 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4516 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4518 /* Time is in seconds */
4519 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4520 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4525 if (appData.zippyPlay && newGame &&
4526 gameMode != IcsObserving && gameMode != IcsIdle &&
4527 gameMode != IcsExamining)
4528 ZippyFirstBoard(moveNum, basetime, increment);
4531 /* Put the move on the move list, first converting
4532 to canonical algebraic form. */
4534 if (appData.debugMode) {
4535 if (appData.debugMode) { int f = forwardMostMove;
4536 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4537 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4538 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4540 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4541 fprintf(debugFP, "moveNum = %d\n", moveNum);
4542 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4543 setbuf(debugFP, NULL);
4545 if (moveNum <= backwardMostMove) {
4546 /* We don't know what the board looked like before
4548 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4549 strcat(parseList[moveNum - 1], " ");
4550 strcat(parseList[moveNum - 1], elapsed_time);
4551 moveList[moveNum - 1][0] = NULLCHAR;
4552 } else if (strcmp(move_str, "none") == 0) {
4553 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4554 /* Again, we don't know what the board looked like;
4555 this is really the start of the game. */
4556 parseList[moveNum - 1][0] = NULLCHAR;
4557 moveList[moveNum - 1][0] = NULLCHAR;
4558 backwardMostMove = moveNum;
4559 startedFromSetupPosition = TRUE;
4560 fromX = fromY = toX = toY = -1;
4562 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4563 // So we parse the long-algebraic move string in stead of the SAN move
4564 int valid; char buf[MSG_SIZ], *prom;
4566 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4567 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4568 // str looks something like "Q/a1-a2"; kill the slash
4570 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4571 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4572 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4573 strcat(buf, prom); // long move lacks promo specification!
4574 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4575 if(appData.debugMode)
4576 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4577 safeStrCpy(move_str, buf, MSG_SIZ);
4579 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4580 &fromX, &fromY, &toX, &toY, &promoChar)
4581 || ParseOneMove(buf, moveNum - 1, &moveType,
4582 &fromX, &fromY, &toX, &toY, &promoChar);
4583 // end of long SAN patch
4585 (void) CoordsToAlgebraic(boards[moveNum - 1],
4586 PosFlags(moveNum - 1),
4587 fromY, fromX, toY, toX, promoChar,
4588 parseList[moveNum-1]);
4589 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4595 if(gameInfo.variant != VariantShogi)
4596 strcat(parseList[moveNum - 1], "+");
4599 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4600 strcat(parseList[moveNum - 1], "#");
4603 strcat(parseList[moveNum - 1], " ");
4604 strcat(parseList[moveNum - 1], elapsed_time);
4605 /* currentMoveString is set as a side-effect of ParseOneMove */
4606 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4607 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4608 strcat(moveList[moveNum - 1], "\n");
4610 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper
4611 && gameInfo.variant != VariantGreat) // inherit info that ICS does not give from previous board
4612 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4613 ChessSquare old, new = boards[moveNum][k][j];
4614 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4615 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4616 if(old == new) continue;
4617 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4618 else if(new == WhiteWazir || new == BlackWazir) {
4619 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4620 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4621 else boards[moveNum][k][j] = old; // preserve type of Gold
4622 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4623 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4626 /* Move from ICS was illegal!? Punt. */
4627 if (appData.debugMode) {
4628 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4629 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4631 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4632 strcat(parseList[moveNum - 1], " ");
4633 strcat(parseList[moveNum - 1], elapsed_time);
4634 moveList[moveNum - 1][0] = NULLCHAR;
4635 fromX = fromY = toX = toY = -1;
4638 if (appData.debugMode) {
4639 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4640 setbuf(debugFP, NULL);
4644 /* Send move to chess program (BEFORE animating it). */
4645 if (appData.zippyPlay && !newGame && newMove &&
4646 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4648 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4649 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4650 if (moveList[moveNum - 1][0] == NULLCHAR) {
4651 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4653 DisplayError(str, 0);
4655 if (first.sendTime) {
4656 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4658 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4659 if (firstMove && !bookHit) {
4661 if (first.useColors) {
4662 SendToProgram(gameMode == IcsPlayingWhite ?
4664 "black\ngo\n", &first);
4666 SendToProgram("go\n", &first);
4668 first.maybeThinking = TRUE;
4671 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4672 if (moveList[moveNum - 1][0] == NULLCHAR) {
4673 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4674 DisplayError(str, 0);
4676 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4677 SendMoveToProgram(moveNum - 1, &first);
4684 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4685 /* If move comes from a remote source, animate it. If it
4686 isn't remote, it will have already been animated. */
4687 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4688 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4690 if (!pausing && appData.highlightLastMove) {
4691 SetHighlights(fromX, fromY, toX, toY);
4695 /* Start the clocks */
4696 whiteFlag = blackFlag = FALSE;
4697 appData.clockMode = !(basetime == 0 && increment == 0);
4699 ics_clock_paused = TRUE;
4701 } else if (ticking == 1) {
4702 ics_clock_paused = FALSE;
4704 if (gameMode == IcsIdle ||
4705 relation == RELATION_OBSERVING_STATIC ||
4706 relation == RELATION_EXAMINING ||
4708 DisplayBothClocks();
4712 /* Display opponents and material strengths */
4713 if (gameInfo.variant != VariantBughouse &&
4714 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4715 if (tinyLayout || smallLayout) {
4716 if(gameInfo.variant == VariantNormal)
4717 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4718 gameInfo.white, white_stren, gameInfo.black, black_stren,
4719 basetime, increment);
4721 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4722 gameInfo.white, white_stren, gameInfo.black, black_stren,
4723 basetime, increment, (int) gameInfo.variant);
4725 if(gameInfo.variant == VariantNormal)
4726 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4727 gameInfo.white, white_stren, gameInfo.black, black_stren,
4728 basetime, increment);
4730 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4731 gameInfo.white, white_stren, gameInfo.black, black_stren,
4732 basetime, increment, VariantName(gameInfo.variant));
4735 if (appData.debugMode) {
4736 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4741 /* Display the board */
4742 if (!pausing && !appData.noGUI) {
4744 if (appData.premove)
4746 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4747 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4748 ClearPremoveHighlights();
4750 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4751 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4752 DrawPosition(j, boards[currentMove]);
4754 DisplayMove(moveNum - 1);
4755 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4756 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4757 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4758 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4762 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4764 if(bookHit) { // [HGM] book: simulate book reply
4765 static char bookMove[MSG_SIZ]; // a bit generous?
4767 programStats.nodes = programStats.depth = programStats.time =
4768 programStats.score = programStats.got_only_move = 0;
4769 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4771 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4772 strcat(bookMove, bookHit);
4773 HandleMachineMove(bookMove, &first);
4782 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4783 ics_getting_history = H_REQUESTED;
4784 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4790 AnalysisPeriodicEvent(force)
4793 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4794 && !force) || !appData.periodicUpdates)
4797 /* Send . command to Crafty to collect stats */
4798 SendToProgram(".\n", &first);
4800 /* Don't send another until we get a response (this makes
4801 us stop sending to old Crafty's which don't understand
4802 the "." command (sending illegal cmds resets node count & time,
4803 which looks bad)) */
4804 programStats.ok_to_send = 0;
4807 void ics_update_width(new_width)
4810 ics_printf("set width %d\n", new_width);
4814 SendMoveToProgram(moveNum, cps)
4816 ChessProgramState *cps;
4820 if (cps->useUsermove) {
4821 SendToProgram("usermove ", cps);
4825 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4826 int len = space - parseList[moveNum];
4827 memcpy(buf, parseList[moveNum], len);
4829 buf[len] = NULLCHAR;
4831 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4833 SendToProgram(buf, cps);
4835 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4836 AlphaRank(moveList[moveNum], 4);
4837 SendToProgram(moveList[moveNum], cps);
4838 AlphaRank(moveList[moveNum], 4); // and back
4840 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4841 * the engine. It would be nice to have a better way to identify castle
4843 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4844 && cps->useOOCastle) {
4845 int fromX = moveList[moveNum][0] - AAA;
4846 int fromY = moveList[moveNum][1] - ONE;
4847 int toX = moveList[moveNum][2] - AAA;
4848 int toY = moveList[moveNum][3] - ONE;
4849 if((boards[moveNum][fromY][fromX] == WhiteKing
4850 && boards[moveNum][toY][toX] == WhiteRook)
4851 || (boards[moveNum][fromY][fromX] == BlackKing
4852 && boards[moveNum][toY][toX] == BlackRook)) {
4853 if(toX > fromX) SendToProgram("O-O\n", cps);
4854 else SendToProgram("O-O-O\n", cps);
4856 else SendToProgram(moveList[moveNum], cps);
4858 else SendToProgram(moveList[moveNum], cps);
4859 /* End of additions by Tord */
4862 /* [HGM] setting up the opening has brought engine in force mode! */
4863 /* Send 'go' if we are in a mode where machine should play. */
4864 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4865 (gameMode == TwoMachinesPlay ||
4867 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4869 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4870 SendToProgram("go\n", cps);
4871 if (appData.debugMode) {
4872 fprintf(debugFP, "(extra)\n");
4875 setboardSpoiledMachineBlack = 0;
4879 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4881 int fromX, fromY, toX, toY;
4884 char user_move[MSG_SIZ];
4888 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4889 (int)moveType, fromX, fromY, toX, toY);
4890 DisplayError(user_move + strlen("say "), 0);
4892 case WhiteKingSideCastle:
4893 case BlackKingSideCastle:
4894 case WhiteQueenSideCastleWild:
4895 case BlackQueenSideCastleWild:
4897 case WhiteHSideCastleFR:
4898 case BlackHSideCastleFR:
4900 snprintf(user_move, MSG_SIZ, "o-o\n");
4902 case WhiteQueenSideCastle:
4903 case BlackQueenSideCastle:
4904 case WhiteKingSideCastleWild:
4905 case BlackKingSideCastleWild:
4907 case WhiteASideCastleFR:
4908 case BlackASideCastleFR:
4910 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4912 case WhiteNonPromotion:
4913 case BlackNonPromotion:
4914 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4916 case WhitePromotion:
4917 case BlackPromotion:
4918 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4919 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4920 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4921 PieceToChar(WhiteFerz));
4922 else if(gameInfo.variant == VariantGreat)
4923 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4924 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4925 PieceToChar(WhiteMan));
4927 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4928 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4934 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4935 ToUpper(PieceToChar((ChessSquare) fromX)),
4936 AAA + toX, ONE + toY);
4938 case IllegalMove: /* could be a variant we don't quite understand */
4939 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4941 case WhiteCapturesEnPassant:
4942 case BlackCapturesEnPassant:
4943 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4944 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4947 SendToICS(user_move);
4948 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4949 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4954 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4955 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4956 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4957 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4958 DisplayError("You cannot do this while you are playing or observing", 0);
4961 if(gameMode != IcsExamining) { // is this ever not the case?
4962 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4964 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4965 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4966 } else { // on FICS we must first go to general examine mode
4967 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4969 if(gameInfo.variant != VariantNormal) {
4970 // try figure out wild number, as xboard names are not always valid on ICS
4971 for(i=1; i<=36; i++) {
4972 snprintf(buf, MSG_SIZ, "wild/%d", i);
4973 if(StringToVariant(buf) == gameInfo.variant) break;
4975 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4976 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4977 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4978 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4979 SendToICS(ics_prefix);
4981 if(startedFromSetupPosition || backwardMostMove != 0) {
4982 fen = PositionToFEN(backwardMostMove, NULL);
4983 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4984 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4986 } else { // FICS: everything has to set by separate bsetup commands
4987 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4988 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4990 if(!WhiteOnMove(backwardMostMove)) {
4991 SendToICS("bsetup tomove black\n");
4993 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4994 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4996 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4997 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4999 i = boards[backwardMostMove][EP_STATUS];
5000 if(i >= 0) { // set e.p.
5001 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5007 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5008 SendToICS("bsetup done\n"); // switch to normal examining.
5010 for(i = backwardMostMove; i<last; i++) {
5012 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5015 SendToICS(ics_prefix);
5016 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5020 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5025 if (rf == DROP_RANK) {
5026 sprintf(move, "%c@%c%c\n",
5027 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5029 if (promoChar == 'x' || promoChar == NULLCHAR) {
5030 sprintf(move, "%c%c%c%c\n",
5031 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5033 sprintf(move, "%c%c%c%c%c\n",
5034 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5040 ProcessICSInitScript(f)
5045 while (fgets(buf, MSG_SIZ, f)) {
5046 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5053 static int lastX, lastY, selectFlag, dragging;
5058 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5059 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5060 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5061 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5062 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5063 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5066 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5067 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5068 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5069 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5071 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5072 appData.testLegality && (promoSweep == king ||
5073 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5074 ChangeDragPiece(promoSweep);
5077 int PromoScroll(int x, int y)
5081 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5082 if(abs(x - lastX) < 15 && abs(y - lastY) < 15) return FALSE;
5083 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5084 if(!step) return FALSE;
5085 lastX = x; lastY = y;
5086 if((promoSweep < BlackPawn) == flipView) step = -step;
5087 if(step > 0) selectFlag = 1;
5088 if(!selectFlag) Sweep(step);
5095 ChessSquare piece = boards[currentMove][toY][toX];
5098 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5099 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5100 if(!step) step = -1;
5101 } while(PieceToChar(pieceSweep) == '.');
5102 boards[currentMove][toY][toX] = pieceSweep;
5103 DrawPosition(FALSE, boards[currentMove]);
5104 boards[currentMove][toY][toX] = piece;
5106 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5108 AlphaRank(char *move, int n)
5110 // char *p = move, c; int x, y;
5112 if (appData.debugMode) {
5113 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5117 move[2]>='0' && move[2]<='9' &&
5118 move[3]>='a' && move[3]<='x' ) {
5120 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5121 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5123 if(move[0]>='0' && move[0]<='9' &&
5124 move[1]>='a' && move[1]<='x' &&
5125 move[2]>='0' && move[2]<='9' &&
5126 move[3]>='a' && move[3]<='x' ) {
5127 /* input move, Shogi -> normal */
5128 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5129 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5130 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5131 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5134 move[3]>='0' && move[3]<='9' &&
5135 move[2]>='a' && move[2]<='x' ) {
5137 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5138 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5141 move[0]>='a' && move[0]<='x' &&
5142 move[3]>='0' && move[3]<='9' &&
5143 move[2]>='a' && move[2]<='x' ) {
5144 /* output move, normal -> Shogi */
5145 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5146 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5147 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5148 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5149 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5151 if (appData.debugMode) {
5152 fprintf(debugFP, " out = '%s'\n", move);
5156 char yy_textstr[8000];
5158 /* Parser for moves from gnuchess, ICS, or user typein box */
5160 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5163 ChessMove *moveType;
5164 int *fromX, *fromY, *toX, *toY;
5167 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5169 switch (*moveType) {
5170 case WhitePromotion:
5171 case BlackPromotion:
5172 case WhiteNonPromotion:
5173 case BlackNonPromotion:
5175 case WhiteCapturesEnPassant:
5176 case BlackCapturesEnPassant:
5177 case WhiteKingSideCastle:
5178 case WhiteQueenSideCastle:
5179 case BlackKingSideCastle:
5180 case BlackQueenSideCastle:
5181 case WhiteKingSideCastleWild:
5182 case WhiteQueenSideCastleWild:
5183 case BlackKingSideCastleWild:
5184 case BlackQueenSideCastleWild:
5185 /* Code added by Tord: */
5186 case WhiteHSideCastleFR:
5187 case WhiteASideCastleFR:
5188 case BlackHSideCastleFR:
5189 case BlackASideCastleFR:
5190 /* End of code added by Tord */
5191 case IllegalMove: /* bug or odd chess variant */
5192 *fromX = currentMoveString[0] - AAA;
5193 *fromY = currentMoveString[1] - ONE;
5194 *toX = currentMoveString[2] - AAA;
5195 *toY = currentMoveString[3] - ONE;
5196 *promoChar = currentMoveString[4];
5197 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5198 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5199 if (appData.debugMode) {
5200 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5202 *fromX = *fromY = *toX = *toY = 0;
5205 if (appData.testLegality) {
5206 return (*moveType != IllegalMove);
5208 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5209 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5214 *fromX = *moveType == WhiteDrop ?
5215 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5216 (int) CharToPiece(ToLower(currentMoveString[0]));
5218 *toX = currentMoveString[2] - AAA;
5219 *toY = currentMoveString[3] - ONE;
5220 *promoChar = NULLCHAR;
5224 case ImpossibleMove:
5234 if (appData.debugMode) {
5235 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5238 *fromX = *fromY = *toX = *toY = 0;
5239 *promoChar = NULLCHAR;
5244 Boolean pushed = FALSE;
5247 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5248 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5249 int fromX, fromY, toX, toY; char promoChar;
5254 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5255 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5258 endPV = forwardMostMove;
5260 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5261 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5262 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5263 if(appData.debugMode){
5264 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5266 if(!valid && nr == 0 &&
5267 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5268 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5269 // Hande case where played move is different from leading PV move
5270 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5271 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5272 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5273 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5274 endPV += 2; // if position different, keep this
5275 moveList[endPV-1][0] = fromX + AAA;
5276 moveList[endPV-1][1] = fromY + ONE;
5277 moveList[endPV-1][2] = toX + AAA;
5278 moveList[endPV-1][3] = toY + ONE;
5279 parseList[endPV-1][0] = NULLCHAR;
5280 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5283 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5284 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5285 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5286 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5287 valid++; // allow comments in PV
5291 if(endPV+1 > framePtr) break; // no space, truncate
5294 CopyBoard(boards[endPV], boards[endPV-1]);
5295 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5296 moveList[endPV-1][0] = fromX + AAA;
5297 moveList[endPV-1][1] = fromY + ONE;
5298 moveList[endPV-1][2] = toX + AAA;
5299 moveList[endPV-1][3] = toY + ONE;
5300 moveList[endPV-1][4] = promoChar;
5301 moveList[endPV-1][5] = NULLCHAR;
5302 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5304 CoordsToAlgebraic(boards[endPV - 1],
5305 PosFlags(endPV - 1),
5306 fromY, fromX, toY, toX, promoChar,
5307 parseList[endPV - 1]);
5309 parseList[endPV-1][0] = NULLCHAR;
5311 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5312 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5313 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5314 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5315 DrawPosition(TRUE, boards[currentMove]);
5319 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5324 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5325 lastX = x; lastY = y;
5326 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5328 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5329 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5331 do{ while(buf[index] && buf[index] != '\n') index++;
5332 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5334 ParsePV(buf+startPV, FALSE, !shiftKey);
5335 *start = startPV; *end = index-1;
5340 LoadPV(int x, int y)
5341 { // called on right mouse click to load PV
5342 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5343 lastX = x; lastY = y;
5344 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5351 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5352 if(endPV < 0) return;
5354 if(shiftKey && gameMode == AnalyzeMode) {
5355 if(pushed) storedGames--; // abandon shelved tail of original game
5357 forwardMostMove = currentMove;
5358 currentMove = oldFMM;
5359 ToNrEvent(forwardMostMove);
5361 currentMove = forwardMostMove;
5362 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game contnuation
5363 ClearPremoveHighlights();
5364 DrawPosition(TRUE, boards[currentMove]);
5368 MovePV(int x, int y, int h)
5369 { // step through PV based on mouse coordinates (called on mouse move)
5370 int margin = h>>3, step = 0;
5372 // we must somehow check if right button is still down (might be released off board!)
5373 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5374 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5375 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5377 lastX = x; lastY = y;
5379 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5380 if(endPV < 0) return;
5381 if(y < margin) step = 1; else
5382 if(y > h - margin) step = -1;
5383 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5384 currentMove += step;
5385 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5386 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5387 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5388 DrawPosition(FALSE, boards[currentMove]);
5392 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5393 // All positions will have equal probability, but the current method will not provide a unique
5394 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5400 int piecesLeft[(int)BlackPawn];
5401 int seed, nrOfShuffles;
5403 void GetPositionNumber()
5404 { // sets global variable seed
5407 seed = appData.defaultFrcPosition;
5408 if(seed < 0) { // randomize based on time for negative FRC position numbers
5409 for(i=0; i<50; i++) seed += random();
5410 seed = random() ^ random() >> 8 ^ random() << 8;
5411 if(seed<0) seed = -seed;
5415 int put(Board board, int pieceType, int rank, int n, int shade)
5416 // put the piece on the (n-1)-th empty squares of the given shade
5420 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5421 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5422 board[rank][i] = (ChessSquare) pieceType;
5423 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5425 piecesLeft[pieceType]--;
5433 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5434 // calculate where the next piece goes, (any empty square), and put it there
5438 i = seed % squaresLeft[shade];
5439 nrOfShuffles *= squaresLeft[shade];
5440 seed /= squaresLeft[shade];
5441 put(board, pieceType, rank, i, shade);
5444 void AddTwoPieces(Board board, int pieceType, int rank)
5445 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5447 int i, n=squaresLeft[ANY], j=n-1, k;
5449 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5450 i = seed % k; // pick one
5453 while(i >= j) i -= j--;
5454 j = n - 1 - j; i += j;
5455 put(board, pieceType, rank, j, ANY);
5456 put(board, pieceType, rank, i, ANY);
5459 void SetUpShuffle(Board board, int number)
5463 GetPositionNumber(); nrOfShuffles = 1;
5465 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5466 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5467 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5469 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5471 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5472 p = (int) board[0][i];
5473 if(p < (int) BlackPawn) piecesLeft[p] ++;
5474 board[0][i] = EmptySquare;
5477 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5478 // shuffles restricted to allow normal castling put KRR first
5479 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5480 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5481 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5482 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5483 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5484 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5485 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5486 put(board, WhiteRook, 0, 0, ANY);
5487 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5490 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5491 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5492 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5493 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5494 while(piecesLeft[p] >= 2) {
5495 AddOnePiece(board, p, 0, LITE);
5496 AddOnePiece(board, p, 0, DARK);
5498 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5501 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5502 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5503 // but we leave King and Rooks for last, to possibly obey FRC restriction
5504 if(p == (int)WhiteRook) continue;
5505 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5506 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5509 // now everything is placed, except perhaps King (Unicorn) and Rooks
5511 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5512 // Last King gets castling rights
5513 while(piecesLeft[(int)WhiteUnicorn]) {
5514 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5515 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5518 while(piecesLeft[(int)WhiteKing]) {
5519 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5520 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5525 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5526 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5529 // Only Rooks can be left; simply place them all
5530 while(piecesLeft[(int)WhiteRook]) {
5531 i = put(board, WhiteRook, 0, 0, ANY);
5532 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5535 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5537 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5540 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5541 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5544 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5547 int SetCharTable( char *table, const char * map )
5548 /* [HGM] moved here from winboard.c because of its general usefulness */
5549 /* Basically a safe strcpy that uses the last character as King */
5551 int result = FALSE; int NrPieces;
5553 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5554 && NrPieces >= 12 && !(NrPieces&1)) {
5555 int i; /* [HGM] Accept even length from 12 to 34 */
5557 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5558 for( i=0; i<NrPieces/2-1; i++ ) {
5560 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5562 table[(int) WhiteKing] = map[NrPieces/2-1];
5563 table[(int) BlackKing] = map[NrPieces-1];
5571 void Prelude(Board board)
5572 { // [HGM] superchess: random selection of exo-pieces
5573 int i, j, k; ChessSquare p;
5574 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5576 GetPositionNumber(); // use FRC position number
5578 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5579 SetCharTable(pieceToChar, appData.pieceToCharTable);
5580 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5581 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5584 j = seed%4; seed /= 4;
5585 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5586 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5587 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5588 j = seed%3 + (seed%3 >= j); seed /= 3;
5589 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5590 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5591 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5592 j = seed%3; seed /= 3;
5593 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5594 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5595 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5596 j = seed%2 + (seed%2 >= j); seed /= 2;
5597 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5598 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5599 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5600 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5601 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5602 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5603 put(board, exoPieces[0], 0, 0, ANY);
5604 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5608 InitPosition(redraw)
5611 ChessSquare (* pieces)[BOARD_FILES];
5612 int i, j, pawnRow, overrule,
5613 oldx = gameInfo.boardWidth,
5614 oldy = gameInfo.boardHeight,
5615 oldh = gameInfo.holdingsWidth;
5618 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5620 /* [AS] Initialize pv info list [HGM] and game status */
5622 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5623 pvInfoList[i].depth = 0;
5624 boards[i][EP_STATUS] = EP_NONE;
5625 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5628 initialRulePlies = 0; /* 50-move counter start */
5630 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5631 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5635 /* [HGM] logic here is completely changed. In stead of full positions */
5636 /* the initialized data only consist of the two backranks. The switch */
5637 /* selects which one we will use, which is than copied to the Board */
5638 /* initialPosition, which for the rest is initialized by Pawns and */
5639 /* empty squares. This initial position is then copied to boards[0], */
5640 /* possibly after shuffling, so that it remains available. */
5642 gameInfo.holdingsWidth = 0; /* default board sizes */
5643 gameInfo.boardWidth = 8;
5644 gameInfo.boardHeight = 8;
5645 gameInfo.holdingsSize = 0;
5646 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5647 for(i=0; i<BOARD_FILES-2; i++)
5648 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5649 initialPosition[EP_STATUS] = EP_NONE;
5650 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5651 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5652 SetCharTable(pieceNickName, appData.pieceNickNames);
5653 else SetCharTable(pieceNickName, "............");
5656 switch (gameInfo.variant) {
5657 case VariantFischeRandom:
5658 shuffleOpenings = TRUE;
5661 case VariantShatranj:
5662 pieces = ShatranjArray;
5663 nrCastlingRights = 0;
5664 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5667 pieces = makrukArray;
5668 nrCastlingRights = 0;
5669 startedFromSetupPosition = TRUE;
5670 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5672 case VariantTwoKings:
5673 pieces = twoKingsArray;
5675 case VariantCapaRandom:
5676 shuffleOpenings = TRUE;
5677 case VariantCapablanca:
5678 pieces = CapablancaArray;
5679 gameInfo.boardWidth = 10;
5680 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5683 pieces = GothicArray;
5684 gameInfo.boardWidth = 10;
5685 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5688 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5689 gameInfo.holdingsSize = 7;
5692 pieces = JanusArray;
5693 gameInfo.boardWidth = 10;
5694 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5695 nrCastlingRights = 6;
5696 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5697 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5698 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5699 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5700 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5701 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5704 pieces = FalconArray;
5705 gameInfo.boardWidth = 10;
5706 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5708 case VariantXiangqi:
5709 pieces = XiangqiArray;
5710 gameInfo.boardWidth = 9;
5711 gameInfo.boardHeight = 10;
5712 nrCastlingRights = 0;
5713 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5716 pieces = ShogiArray;
5717 gameInfo.boardWidth = 9;
5718 gameInfo.boardHeight = 9;
5719 gameInfo.holdingsSize = 7;
5720 nrCastlingRights = 0;
5721 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5723 case VariantCourier:
5724 pieces = CourierArray;
5725 gameInfo.boardWidth = 12;
5726 nrCastlingRights = 0;
5727 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5729 case VariantKnightmate:
5730 pieces = KnightmateArray;
5731 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5733 case VariantSpartan:
5734 pieces = SpartanArray;
5735 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5738 pieces = fairyArray;
5739 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5742 pieces = GreatArray;
5743 gameInfo.boardWidth = 10;
5744 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5745 gameInfo.holdingsSize = 8;
5749 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5750 gameInfo.holdingsSize = 8;
5751 startedFromSetupPosition = TRUE;
5753 case VariantCrazyhouse:
5754 case VariantBughouse:
5756 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5757 gameInfo.holdingsSize = 5;
5759 case VariantWildCastle:
5761 /* !!?shuffle with kings guaranteed to be on d or e file */
5762 shuffleOpenings = 1;
5764 case VariantNoCastle:
5766 nrCastlingRights = 0;
5767 /* !!?unconstrained back-rank shuffle */
5768 shuffleOpenings = 1;
5773 if(appData.NrFiles >= 0) {
5774 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5775 gameInfo.boardWidth = appData.NrFiles;
5777 if(appData.NrRanks >= 0) {
5778 gameInfo.boardHeight = appData.NrRanks;
5780 if(appData.holdingsSize >= 0) {
5781 i = appData.holdingsSize;
5782 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5783 gameInfo.holdingsSize = i;
5785 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5786 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5787 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5789 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5790 if(pawnRow < 1) pawnRow = 1;
5791 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5793 /* User pieceToChar list overrules defaults */
5794 if(appData.pieceToCharTable != NULL)
5795 SetCharTable(pieceToChar, appData.pieceToCharTable);
5797 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5799 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5800 s = (ChessSquare) 0; /* account holding counts in guard band */
5801 for( i=0; i<BOARD_HEIGHT; i++ )
5802 initialPosition[i][j] = s;
5804 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5805 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5806 initialPosition[pawnRow][j] = WhitePawn;
5807 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5808 if(gameInfo.variant == VariantXiangqi) {
5810 initialPosition[pawnRow][j] =
5811 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5812 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5813 initialPosition[2][j] = WhiteCannon;
5814 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5818 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5820 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5823 initialPosition[1][j] = WhiteBishop;
5824 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5826 initialPosition[1][j] = WhiteRook;
5827 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5830 if( nrCastlingRights == -1) {
5831 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5832 /* This sets default castling rights from none to normal corners */
5833 /* Variants with other castling rights must set them themselves above */
5834 nrCastlingRights = 6;
5836 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5837 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5838 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5839 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5840 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5841 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5844 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5845 if(gameInfo.variant == VariantGreat) { // promotion commoners
5846 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5847 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5848 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5849 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5851 if( gameInfo.variant == VariantSChess ) {
5852 initialPosition[1][0] = BlackMarshall;
5853 initialPosition[2][0] = BlackAngel;
5854 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5855 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5856 initialPosition[1][1] = initialPosition[2][1] =
5857 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5859 if (appData.debugMode) {
5860 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5862 if(shuffleOpenings) {
5863 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5864 startedFromSetupPosition = TRUE;
5866 if(startedFromPositionFile) {
5867 /* [HGM] loadPos: use PositionFile for every new game */
5868 CopyBoard(initialPosition, filePosition);
5869 for(i=0; i<nrCastlingRights; i++)
5870 initialRights[i] = filePosition[CASTLING][i];
5871 startedFromSetupPosition = TRUE;
5874 CopyBoard(boards[0], initialPosition);
5876 if(oldx != gameInfo.boardWidth ||
5877 oldy != gameInfo.boardHeight ||
5878 oldv != gameInfo.variant ||
5879 oldh != gameInfo.holdingsWidth
5881 InitDrawingSizes(-2 ,0);
5883 oldv = gameInfo.variant;
5885 DrawPosition(TRUE, boards[currentMove]);
5889 SendBoard(cps, moveNum)
5890 ChessProgramState *cps;
5893 char message[MSG_SIZ];
5895 if (cps->useSetboard) {
5896 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5897 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5898 SendToProgram(message, cps);
5904 /* Kludge to set black to move, avoiding the troublesome and now
5905 * deprecated "black" command.
5907 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5908 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5910 SendToProgram("edit\n", cps);
5911 SendToProgram("#\n", cps);
5912 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5913 bp = &boards[moveNum][i][BOARD_LEFT];
5914 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5915 if ((int) *bp < (int) BlackPawn) {
5916 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5918 if(message[0] == '+' || message[0] == '~') {
5919 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5920 PieceToChar((ChessSquare)(DEMOTED *bp)),
5923 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5924 message[1] = BOARD_RGHT - 1 - j + '1';
5925 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5927 SendToProgram(message, cps);
5932 SendToProgram("c\n", cps);
5933 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5934 bp = &boards[moveNum][i][BOARD_LEFT];
5935 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5936 if (((int) *bp != (int) EmptySquare)
5937 && ((int) *bp >= (int) BlackPawn)) {
5938 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5940 if(message[0] == '+' || message[0] == '~') {
5941 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5942 PieceToChar((ChessSquare)(DEMOTED *bp)),
5945 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5946 message[1] = BOARD_RGHT - 1 - j + '1';
5947 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5949 SendToProgram(message, cps);
5954 SendToProgram(".\n", cps);
5956 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5960 DefaultPromoChoice(int white)
5963 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5964 result = WhiteFerz; // no choice
5965 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
5966 result= WhiteKing; // in Suicide Q is the last thing we want
5967 else if(gameInfo.variant == VariantSpartan)
5968 result = white ? WhiteQueen : WhiteAngel;
5969 else result = WhiteQueen;
5970 if(!white) result = WHITE_TO_BLACK result;
5974 static int autoQueen; // [HGM] oneclick
5977 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5979 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5980 /* [HGM] add Shogi promotions */
5981 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5986 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5987 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5989 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5990 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5993 piece = boards[currentMove][fromY][fromX];
5994 if(gameInfo.variant == VariantShogi) {
5995 promotionZoneSize = BOARD_HEIGHT/3;
5996 highestPromotingPiece = (int)WhiteFerz;
5997 } else if(gameInfo.variant == VariantMakruk) {
5998 promotionZoneSize = 3;
6001 // Treat Lance as Pawn when it is not representing Amazon
6002 if(gameInfo.variant != VariantSuper) {
6003 if(piece == WhiteLance) piece = WhitePawn; else
6004 if(piece == BlackLance) piece = BlackPawn;
6007 // next weed out all moves that do not touch the promotion zone at all
6008 if((int)piece >= BlackPawn) {
6009 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6011 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6013 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6014 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6017 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6019 // weed out mandatory Shogi promotions
6020 if(gameInfo.variant == VariantShogi) {
6021 if(piece >= BlackPawn) {
6022 if(toY == 0 && piece == BlackPawn ||
6023 toY == 0 && piece == BlackQueen ||
6024 toY <= 1 && piece == BlackKnight) {
6029 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6030 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6031 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6038 // weed out obviously illegal Pawn moves
6039 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6040 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6041 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6042 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6043 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6044 // note we are not allowed to test for valid (non-)capture, due to premove
6047 // we either have a choice what to promote to, or (in Shogi) whether to promote
6048 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6049 *promoChoice = PieceToChar(BlackFerz); // no choice
6052 // no sense asking what we must promote to if it is going to explode...
6053 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6054 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6057 // give caller the default choice even if we will not make it
6058 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6059 if(gameInfo.variant == VariantShogi) *promoChoice = '+';
6060 if(appData.sweepSelect && gameInfo.variant != VariantGreat
6061 && gameInfo.variant != VariantShogi
6062 && gameInfo.variant != VariantSuper) return FALSE;
6063 if(autoQueen) return FALSE; // predetermined
6065 // suppress promotion popup on illegal moves that are not premoves
6066 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6067 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6068 if(appData.testLegality && !premove) {
6069 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6070 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6071 if(moveType != WhitePromotion && moveType != BlackPromotion)
6079 InPalace(row, column)
6081 { /* [HGM] for Xiangqi */
6082 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6083 column < (BOARD_WIDTH + 4)/2 &&
6084 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6089 PieceForSquare (x, y)
6093 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6096 return boards[currentMove][y][x];
6100 OKToStartUserMove(x, y)
6103 ChessSquare from_piece;
6106 if (matchMode) return FALSE;
6107 if (gameMode == EditPosition) return TRUE;
6109 if (x >= 0 && y >= 0)
6110 from_piece = boards[currentMove][y][x];
6112 from_piece = EmptySquare;
6114 if (from_piece == EmptySquare) return FALSE;
6116 white_piece = (int)from_piece >= (int)WhitePawn &&
6117 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6120 case PlayFromGameFile:
6122 case TwoMachinesPlay:
6130 case MachinePlaysWhite:
6131 case IcsPlayingBlack:
6132 if (appData.zippyPlay) return FALSE;
6134 DisplayMoveError(_("You are playing Black"));
6139 case MachinePlaysBlack:
6140 case IcsPlayingWhite:
6141 if (appData.zippyPlay) return FALSE;
6143 DisplayMoveError(_("You are playing White"));
6149 if (!white_piece && WhiteOnMove(currentMove)) {
6150 DisplayMoveError(_("It is White's turn"));
6153 if (white_piece && !WhiteOnMove(currentMove)) {
6154 DisplayMoveError(_("It is Black's turn"));
6157 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6158 /* Editing correspondence game history */
6159 /* Could disallow this or prompt for confirmation */
6164 case BeginningOfGame:
6165 if (appData.icsActive) return FALSE;
6166 if (!appData.noChessProgram) {
6168 DisplayMoveError(_("You are playing White"));
6175 if (!white_piece && WhiteOnMove(currentMove)) {
6176 DisplayMoveError(_("It is White's turn"));
6179 if (white_piece && !WhiteOnMove(currentMove)) {
6180 DisplayMoveError(_("It is Black's turn"));
6189 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6190 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6191 && gameMode != AnalyzeFile && gameMode != Training) {
6192 DisplayMoveError(_("Displayed position is not current"));
6199 OnlyMove(int *x, int *y, Boolean captures) {
6200 DisambiguateClosure cl;
6201 if (appData.zippyPlay) return FALSE;
6203 case MachinePlaysBlack:
6204 case IcsPlayingWhite:
6205 case BeginningOfGame:
6206 if(!WhiteOnMove(currentMove)) return FALSE;
6208 case MachinePlaysWhite:
6209 case IcsPlayingBlack:
6210 if(WhiteOnMove(currentMove)) return FALSE;
6217 cl.pieceIn = EmptySquare;
6222 cl.promoCharIn = NULLCHAR;
6223 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6224 if( cl.kind == NormalMove ||
6225 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6226 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6227 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6234 if(cl.kind != ImpossibleMove) return FALSE;
6235 cl.pieceIn = EmptySquare;
6240 cl.promoCharIn = NULLCHAR;
6241 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6242 if( cl.kind == NormalMove ||
6243 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6244 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6245 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6250 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6256 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6257 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6258 int lastLoadGameUseList = FALSE;
6259 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6260 ChessMove lastLoadGameStart = EndOfFile;
6263 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6264 int fromX, fromY, toX, toY;
6268 ChessSquare pdown, pup;
6270 /* Check if the user is playing in turn. This is complicated because we
6271 let the user "pick up" a piece before it is his turn. So the piece he
6272 tried to pick up may have been captured by the time he puts it down!
6273 Therefore we use the color the user is supposed to be playing in this
6274 test, not the color of the piece that is currently on the starting
6275 square---except in EditGame mode, where the user is playing both
6276 sides; fortunately there the capture race can't happen. (It can
6277 now happen in IcsExamining mode, but that's just too bad. The user
6278 will get a somewhat confusing message in that case.)
6282 case PlayFromGameFile:
6284 case TwoMachinesPlay:
6288 /* We switched into a game mode where moves are not accepted,
6289 perhaps while the mouse button was down. */
6292 case MachinePlaysWhite:
6293 /* User is moving for Black */
6294 if (WhiteOnMove(currentMove)) {
6295 DisplayMoveError(_("It is White's turn"));
6300 case MachinePlaysBlack:
6301 /* User is moving for White */
6302 if (!WhiteOnMove(currentMove)) {
6303 DisplayMoveError(_("It is Black's turn"));
6310 case BeginningOfGame:
6313 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6314 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6315 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6316 /* User is moving for Black */
6317 if (WhiteOnMove(currentMove)) {
6318 DisplayMoveError(_("It is White's turn"));
6322 /* User is moving for White */
6323 if (!WhiteOnMove(currentMove)) {
6324 DisplayMoveError(_("It is Black's turn"));
6330 case IcsPlayingBlack:
6331 /* User is moving for Black */
6332 if (WhiteOnMove(currentMove)) {
6333 if (!appData.premove) {
6334 DisplayMoveError(_("It is White's turn"));
6335 } else if (toX >= 0 && toY >= 0) {
6338 premoveFromX = fromX;
6339 premoveFromY = fromY;
6340 premovePromoChar = promoChar;
6342 if (appData.debugMode)
6343 fprintf(debugFP, "Got premove: fromX %d,"
6344 "fromY %d, toX %d, toY %d\n",
6345 fromX, fromY, toX, toY);
6351 case IcsPlayingWhite:
6352 /* User is moving for White */
6353 if (!WhiteOnMove(currentMove)) {
6354 if (!appData.premove) {
6355 DisplayMoveError(_("It is Black's turn"));
6356 } else if (toX >= 0 && toY >= 0) {
6359 premoveFromX = fromX;
6360 premoveFromY = fromY;
6361 premovePromoChar = promoChar;
6363 if (appData.debugMode)
6364 fprintf(debugFP, "Got premove: fromX %d,"
6365 "fromY %d, toX %d, toY %d\n",
6366 fromX, fromY, toX, toY);
6376 /* EditPosition, empty square, or different color piece;
6377 click-click move is possible */
6378 if (toX == -2 || toY == -2) {
6379 boards[0][fromY][fromX] = EmptySquare;
6380 DrawPosition(FALSE, boards[currentMove]);
6382 } else if (toX >= 0 && toY >= 0) {
6383 boards[0][toY][toX] = boards[0][fromY][fromX];
6384 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6385 if(boards[0][fromY][0] != EmptySquare) {
6386 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6387 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6390 if(fromX == BOARD_RGHT+1) {
6391 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6392 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6393 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6396 boards[0][fromY][fromX] = EmptySquare;
6397 DrawPosition(FALSE, boards[currentMove]);
6403 if(toX < 0 || toY < 0) return;
6404 pdown = boards[currentMove][fromY][fromX];
6405 pup = boards[currentMove][toY][toX];
6407 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6408 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6409 if( pup != EmptySquare ) return;
6410 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6411 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6412 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6413 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6414 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6415 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6416 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6420 /* [HGM] always test for legality, to get promotion info */
6421 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6422 fromY, fromX, toY, toX, promoChar);
6423 /* [HGM] but possibly ignore an IllegalMove result */
6424 if (appData.testLegality) {
6425 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6426 DisplayMoveError(_("Illegal move"));
6431 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6434 /* Common tail of UserMoveEvent and DropMenuEvent */
6436 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6438 int fromX, fromY, toX, toY;
6439 /*char*/int promoChar;
6443 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6444 // [HGM] superchess: suppress promotions to non-available piece
6445 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6446 if(WhiteOnMove(currentMove)) {
6447 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6449 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6453 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6454 move type in caller when we know the move is a legal promotion */
6455 if(moveType == NormalMove && promoChar)
6456 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6458 /* [HGM] <popupFix> The following if has been moved here from
6459 UserMoveEvent(). Because it seemed to belong here (why not allow
6460 piece drops in training games?), and because it can only be
6461 performed after it is known to what we promote. */
6462 if (gameMode == Training) {
6463 /* compare the move played on the board to the next move in the
6464 * game. If they match, display the move and the opponent's response.
6465 * If they don't match, display an error message.
6469 CopyBoard(testBoard, boards[currentMove]);
6470 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6472 if (CompareBoards(testBoard, boards[currentMove+1])) {
6473 ForwardInner(currentMove+1);
6475 /* Autoplay the opponent's response.
6476 * if appData.animate was TRUE when Training mode was entered,
6477 * the response will be animated.
6479 saveAnimate = appData.animate;
6480 appData.animate = animateTraining;
6481 ForwardInner(currentMove+1);
6482 appData.animate = saveAnimate;
6484 /* check for the end of the game */
6485 if (currentMove >= forwardMostMove) {
6486 gameMode = PlayFromGameFile;
6488 SetTrainingModeOff();
6489 DisplayInformation(_("End of game"));
6492 DisplayError(_("Incorrect move"), 0);
6497 /* Ok, now we know that the move is good, so we can kill
6498 the previous line in Analysis Mode */
6499 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6500 && currentMove < forwardMostMove) {
6501 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6502 else forwardMostMove = currentMove;
6505 /* If we need the chess program but it's dead, restart it */
6506 ResurrectChessProgram();
6508 /* A user move restarts a paused game*/
6512 thinkOutput[0] = NULLCHAR;
6514 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6516 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6517 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6521 if (gameMode == BeginningOfGame) {
6522 if (appData.noChessProgram) {
6523 gameMode = EditGame;
6527 gameMode = MachinePlaysBlack;
6530 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6532 if (first.sendName) {
6533 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6534 SendToProgram(buf, &first);
6541 /* Relay move to ICS or chess engine */
6542 if (appData.icsActive) {
6543 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6544 gameMode == IcsExamining) {
6545 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6546 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6548 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6550 // also send plain move, in case ICS does not understand atomic claims
6551 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6555 if (first.sendTime && (gameMode == BeginningOfGame ||
6556 gameMode == MachinePlaysWhite ||
6557 gameMode == MachinePlaysBlack)) {
6558 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6560 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6561 // [HGM] book: if program might be playing, let it use book
6562 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6563 first.maybeThinking = TRUE;
6564 } else SendMoveToProgram(forwardMostMove-1, &first);
6565 if (currentMove == cmailOldMove + 1) {
6566 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6570 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6574 if(appData.testLegality)
6575 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6581 if (WhiteOnMove(currentMove)) {
6582 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6584 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6588 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6593 case MachinePlaysBlack:
6594 case MachinePlaysWhite:
6595 /* disable certain menu options while machine is thinking */
6596 SetMachineThinkingEnables();
6603 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6604 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6606 if(bookHit) { // [HGM] book: simulate book reply
6607 static char bookMove[MSG_SIZ]; // a bit generous?
6609 programStats.nodes = programStats.depth = programStats.time =
6610 programStats.score = programStats.got_only_move = 0;
6611 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6613 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6614 strcat(bookMove, bookHit);
6615 HandleMachineMove(bookMove, &first);
6621 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6628 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6629 Markers *m = (Markers *) closure;
6630 if(rf == fromY && ff == fromX)
6631 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6632 || kind == WhiteCapturesEnPassant
6633 || kind == BlackCapturesEnPassant);
6634 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6638 MarkTargetSquares(int clear)
6641 if(!appData.markers || !appData.highlightDragging ||
6642 !appData.testLegality || gameMode == EditPosition) return;
6644 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6647 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6648 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6649 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6651 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6654 DrawPosition(TRUE, NULL);
6658 Explode(Board board, int fromX, int fromY, int toX, int toY)
6660 if(gameInfo.variant == VariantAtomic &&
6661 (board[toY][toX] != EmptySquare || // capture?
6662 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6663 board[fromY][fromX] == BlackPawn )
6665 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6671 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6673 int CanPromote(ChessSquare piece, int y)
6675 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6676 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6677 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6678 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6679 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6680 gameInfo.variant == VariantMakruk) return FALSE;
6681 return (piece == BlackPawn && y == 1 ||
6682 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6683 piece == BlackLance && y == 1 ||
6684 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6687 void LeftClick(ClickType clickType, int xPix, int yPix)
6690 Boolean saveAnimate;
6691 static int second = 0, promotionChoice = 0, clearFlag = 0;
6692 char promoChoice = NULLCHAR;
6695 if(appData.seekGraph && appData.icsActive && loggedOn &&
6696 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6697 SeekGraphClick(clickType, xPix, yPix, 0);
6701 if (clickType == Press) ErrorPopDown();
6702 MarkTargetSquares(1);
6704 x = EventToSquare(xPix, BOARD_WIDTH);
6705 y = EventToSquare(yPix, BOARD_HEIGHT);
6706 if (!flipView && y >= 0) {
6707 y = BOARD_HEIGHT - 1 - y;
6709 if (flipView && x >= 0) {
6710 x = BOARD_WIDTH - 1 - x;
6713 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6714 defaultPromoChoice = promoSweep;
6715 promoSweep = EmptySquare; // terminate sweep
6716 promoDefaultAltered = TRUE;
6717 if(!selectFlag) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6720 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6721 if(clickType == Release) return; // ignore upclick of click-click destination
6722 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6723 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6724 if(gameInfo.holdingsWidth &&
6725 (WhiteOnMove(currentMove)
6726 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6727 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6728 // click in right holdings, for determining promotion piece
6729 ChessSquare p = boards[currentMove][y][x];
6730 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6731 if(p != EmptySquare) {
6732 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6737 DrawPosition(FALSE, boards[currentMove]);
6741 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6742 if(clickType == Press
6743 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6744 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6745 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6748 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6749 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6751 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6752 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6753 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6754 defaultPromoChoice = DefaultPromoChoice(side);
6757 autoQueen = appData.alwaysPromoteToQueen;
6761 gatingPiece = EmptySquare;
6762 if (clickType != Press) {
6763 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6764 DragPieceEnd(xPix, yPix); dragging = 0;
6765 DrawPosition(FALSE, NULL);
6769 fromX = x; fromY = y;
6770 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6771 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6772 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6774 if (OKToStartUserMove(fromX, fromY)) {
6776 MarkTargetSquares(0);
6777 DragPieceBegin(xPix, yPix); dragging = 1;
6778 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6779 promoSweep = defaultPromoChoice;
6780 selectFlag = 0; lastX = xPix; lastY = yPix;
6781 Sweep(0); // Pawn that is going to promote: preview promotion piece
6782 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6784 if (appData.highlightDragging) {
6785 SetHighlights(fromX, fromY, -1, -1);
6787 } else fromX = fromY = -1;
6793 if (clickType == Press && gameMode != EditPosition) {
6798 // ignore off-board to clicks
6799 if(y < 0 || x < 0) return;
6801 /* Check if clicking again on the same color piece */
6802 fromP = boards[currentMove][fromY][fromX];
6803 toP = boards[currentMove][y][x];
6804 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6805 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6806 WhitePawn <= toP && toP <= WhiteKing &&
6807 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6808 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6809 (BlackPawn <= fromP && fromP <= BlackKing &&
6810 BlackPawn <= toP && toP <= BlackKing &&
6811 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6812 !(fromP == BlackKing && toP == BlackRook && frc))) {
6813 /* Clicked again on same color piece -- changed his mind */
6814 second = (x == fromX && y == fromY);
6815 promoDefaultAltered = FALSE;
6816 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6817 if (appData.highlightDragging) {
6818 SetHighlights(x, y, -1, -1);
6822 if (OKToStartUserMove(x, y)) {
6823 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6824 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6825 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6826 gatingPiece = boards[currentMove][fromY][fromX];
6827 else gatingPiece = EmptySquare;
6829 fromY = y; dragging = 1;
6830 MarkTargetSquares(0);
6831 DragPieceBegin(xPix, yPix);
6832 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6833 promoSweep = defaultPromoChoice;
6834 selectFlag = 0; lastX = xPix; lastY = yPix;
6835 Sweep(0); // Pawn that is going to promote: preview promotion piece
6839 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6842 // ignore clicks on holdings
6843 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6846 if (clickType == Release && x == fromX && y == fromY) {
6847 DragPieceEnd(xPix, yPix); dragging = 0;
6849 // a deferred attempt to click-click move an empty square on top of a piece
6850 boards[currentMove][y][x] = EmptySquare;
6852 DrawPosition(FALSE, boards[currentMove]);
6853 fromX = fromY = -1; clearFlag = 0;
6856 if (appData.animateDragging) {
6857 /* Undo animation damage if any */
6858 DrawPosition(FALSE, NULL);
6861 /* Second up/down in same square; just abort move */
6864 gatingPiece = EmptySquare;
6867 ClearPremoveHighlights();
6869 /* First upclick in same square; start click-click mode */
6870 SetHighlights(x, y, -1, -1);
6877 /* we now have a different from- and (possibly off-board) to-square */
6878 /* Completed move */
6881 saveAnimate = appData.animate;
6882 if (clickType == Press) {
6883 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
6884 // must be Edit Position mode with empty-square selected
6885 fromX = x; fromY = y; DragPieceBegin(xPix, yPix); dragging = 1; // consider this a new attempt to drag
6886 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
6889 /* Finish clickclick move */
6890 if (appData.animate || appData.highlightLastMove) {
6891 SetHighlights(fromX, fromY, toX, toY);
6896 /* Finish drag move */
6897 if (appData.highlightLastMove) {
6898 SetHighlights(fromX, fromY, toX, toY);
6902 DragPieceEnd(xPix, yPix); dragging = 0;
6903 /* Don't animate move and drag both */
6904 appData.animate = FALSE;
6907 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6908 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6909 ChessSquare piece = boards[currentMove][fromY][fromX];
6910 if(gameMode == EditPosition && piece != EmptySquare &&
6911 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6914 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6915 n = PieceToNumber(piece - (int)BlackPawn);
6916 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6917 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6918 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6920 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6921 n = PieceToNumber(piece);
6922 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6923 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6924 boards[currentMove][n][BOARD_WIDTH-2]++;
6926 boards[currentMove][fromY][fromX] = EmptySquare;
6930 DrawPosition(TRUE, boards[currentMove]);
6934 // off-board moves should not be highlighted
6935 if(x < 0 || y < 0) ClearHighlights();
6937 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6939 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6940 SetHighlights(fromX, fromY, toX, toY);
6941 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6942 // [HGM] super: promotion to captured piece selected from holdings
6943 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6944 promotionChoice = TRUE;
6945 // kludge follows to temporarily execute move on display, without promoting yet
6946 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6947 boards[currentMove][toY][toX] = p;
6948 DrawPosition(FALSE, boards[currentMove]);
6949 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6950 boards[currentMove][toY][toX] = q;
6951 DisplayMessage("Click in holdings to choose piece", "");
6956 int oldMove = currentMove;
6957 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6958 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6959 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6960 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6961 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6962 DrawPosition(TRUE, boards[currentMove]);
6965 appData.animate = saveAnimate;
6966 if (appData.animate || appData.animateDragging) {
6967 /* Undo animation damage if needed */
6968 DrawPosition(FALSE, NULL);
6972 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6973 { // front-end-free part taken out of PieceMenuPopup
6974 int whichMenu; int xSqr, ySqr;
6976 if(seekGraphUp) { // [HGM] seekgraph
6977 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6978 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6982 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6983 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6984 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6985 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6986 if(action == Press) {
6987 originalFlip = flipView;
6988 flipView = !flipView; // temporarily flip board to see game from partners perspective
6989 DrawPosition(TRUE, partnerBoard);
6990 DisplayMessage(partnerStatus, "");
6992 } else if(action == Release) {
6993 flipView = originalFlip;
6994 DrawPosition(TRUE, boards[currentMove]);
7000 xSqr = EventToSquare(x, BOARD_WIDTH);
7001 ySqr = EventToSquare(y, BOARD_HEIGHT);
7002 if (action == Release) {
7003 if(pieceSweep != EmptySquare) {
7004 EditPositionMenuEvent(pieceSweep, toX, toY);
7005 pieceSweep = EmptySquare;
7006 } else UnLoadPV(); // [HGM] pv
7008 if (action != Press) return -2; // return code to be ignored
7011 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
7013 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
7014 if (xSqr < 0 || ySqr < 0) return -1;
7015 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7016 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7017 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7018 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7022 if(!appData.icsEngineAnalyze) return -1;
7023 case IcsPlayingWhite:
7024 case IcsPlayingBlack:
7025 if(!appData.zippyPlay) goto noZip;
7028 case MachinePlaysWhite:
7029 case MachinePlaysBlack:
7030 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7031 if (!appData.dropMenu) {
7033 return 2; // flag front-end to grab mouse events
7035 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7036 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7039 if (xSqr < 0 || ySqr < 0) return -1;
7040 if (!appData.dropMenu || appData.testLegality &&
7041 gameInfo.variant != VariantBughouse &&
7042 gameInfo.variant != VariantCrazyhouse) return -1;
7043 whichMenu = 1; // drop menu
7049 if (((*fromX = xSqr) < 0) ||
7050 ((*fromY = ySqr) < 0)) {
7051 *fromX = *fromY = -1;
7055 *fromX = BOARD_WIDTH - 1 - *fromX;
7057 *fromY = BOARD_HEIGHT - 1 - *fromY;
7062 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7064 // char * hint = lastHint;
7065 FrontEndProgramStats stats;
7067 stats.which = cps == &first ? 0 : 1;
7068 stats.depth = cpstats->depth;
7069 stats.nodes = cpstats->nodes;
7070 stats.score = cpstats->score;
7071 stats.time = cpstats->time;
7072 stats.pv = cpstats->movelist;
7073 stats.hint = lastHint;
7074 stats.an_move_index = 0;
7075 stats.an_move_count = 0;
7077 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7078 stats.hint = cpstats->move_name;
7079 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7080 stats.an_move_count = cpstats->nr_moves;
7083 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
7085 SetProgramStats( &stats );
7088 #define MAXPLAYERS 500
7091 TourneyStandings(int display)
7093 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7094 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7095 char result, *p, *names[MAXPLAYERS];
7097 names[0] = p = strdup(appData.participants);
7098 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7100 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7102 while(result = appData.results[nr]) {
7103 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7104 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7105 wScore = bScore = 0;
7107 case '+': wScore = 2; break;
7108 case '-': bScore = 2; break;
7109 case '=': wScore = bScore = 1; break;
7111 case '*': return strdup("busy"); // tourney not finished
7119 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7120 for(w=0; w<nPlayers; w++) {
7122 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7123 ranking[w] = b; points[w] = bScore; score[b] = -2;
7125 p = malloc(nPlayers*34+1);
7126 for(w=0; w<nPlayers && w<display; w++)
7127 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7133 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7134 { // count all piece types
7136 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7137 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7138 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7141 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7142 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7143 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7144 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7145 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7146 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7151 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7153 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7154 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7156 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7157 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7158 if(myPawns == 2 && nMine == 3) // KPP
7159 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7160 if(myPawns == 1 && nMine == 2) // KP
7161 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7162 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7163 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7164 if(myPawns) return FALSE;
7165 if(pCnt[WhiteRook+side])
7166 return pCnt[BlackRook-side] ||
7167 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7168 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7169 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7170 if(pCnt[WhiteCannon+side]) {
7171 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7172 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7174 if(pCnt[WhiteKnight+side])
7175 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7180 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7182 VariantClass v = gameInfo.variant;
7184 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7185 if(v == VariantShatranj) return TRUE; // always winnable through baring
7186 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7187 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7189 if(v == VariantXiangqi) {
7190 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7192 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7193 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7194 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7195 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7196 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7197 if(stale) // we have at least one last-rank P plus perhaps C
7198 return majors // KPKX
7199 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7201 return pCnt[WhiteFerz+side] // KCAK
7202 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7203 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7204 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7206 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7207 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7209 if(nMine == 1) return FALSE; // bare King
7210 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
7211 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7212 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7213 // by now we have King + 1 piece (or multiple Bishops on the same color)
7214 if(pCnt[WhiteKnight+side])
7215 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7216 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7217 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7219 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7220 if(pCnt[WhiteAlfil+side])
7221 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7222 if(pCnt[WhiteWazir+side])
7223 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7230 Adjudicate(ChessProgramState *cps)
7231 { // [HGM] some adjudications useful with buggy engines
7232 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7233 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7234 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7235 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7236 int k, count = 0; static int bare = 1;
7237 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7238 Boolean canAdjudicate = !appData.icsActive;
7240 // most tests only when we understand the game, i.e. legality-checking on
7241 if( appData.testLegality )
7242 { /* [HGM] Some more adjudications for obstinate engines */
7243 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7244 static int moveCount = 6;
7246 char *reason = NULL;
7248 /* Count what is on board. */
7249 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7251 /* Some material-based adjudications that have to be made before stalemate test */
7252 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7253 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7254 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7255 if(canAdjudicate && appData.checkMates) {
7257 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7258 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7259 "Xboard adjudication: King destroyed", GE_XBOARD );
7264 /* Bare King in Shatranj (loses) or Losers (wins) */
7265 if( nrW == 1 || nrB == 1) {
7266 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7267 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7268 if(canAdjudicate && appData.checkMates) {
7270 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7271 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7272 "Xboard adjudication: Bare king", GE_XBOARD );
7276 if( gameInfo.variant == VariantShatranj && --bare < 0)
7278 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7279 if(canAdjudicate && appData.checkMates) {
7280 /* but only adjudicate if adjudication enabled */
7282 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7283 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7284 "Xboard adjudication: Bare king", GE_XBOARD );
7291 // don't wait for engine to announce game end if we can judge ourselves
7292 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7294 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7295 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7296 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7297 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7300 reason = "Xboard adjudication: 3rd check";
7301 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7311 reason = "Xboard adjudication: Stalemate";
7312 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7313 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7314 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7315 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7316 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7317 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7318 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7319 EP_CHECKMATE : EP_WINS);
7320 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7321 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7325 reason = "Xboard adjudication: Checkmate";
7326 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7330 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7332 result = GameIsDrawn; break;
7334 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7336 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7340 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7342 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7343 GameEnds( result, reason, GE_XBOARD );
7347 /* Next absolutely insufficient mating material. */
7348 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7349 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7350 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7352 /* always flag draws, for judging claims */
7353 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7355 if(canAdjudicate && appData.materialDraws) {
7356 /* but only adjudicate them if adjudication enabled */
7357 if(engineOpponent) {
7358 SendToProgram("force\n", engineOpponent); // suppress reply
7359 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7361 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7366 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7367 if(gameInfo.variant == VariantXiangqi ?
7368 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7370 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7371 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7372 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7373 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7375 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7376 { /* if the first 3 moves do not show a tactical win, declare draw */
7377 if(engineOpponent) {
7378 SendToProgram("force\n", engineOpponent); // suppress reply
7379 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7381 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7384 } else moveCount = 6;
7386 if (appData.debugMode) { int i;
7387 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7388 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7389 appData.drawRepeats);
7390 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7391 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7395 // Repetition draws and 50-move rule can be applied independently of legality testing
7397 /* Check for rep-draws */
7399 for(k = forwardMostMove-2;
7400 k>=backwardMostMove && k>=forwardMostMove-100 &&
7401 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7402 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7405 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7406 /* compare castling rights */
7407 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7408 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7409 rights++; /* King lost rights, while rook still had them */
7410 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7411 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7412 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7413 rights++; /* but at least one rook lost them */
7415 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7416 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7418 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7419 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7420 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7423 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7424 && appData.drawRepeats > 1) {
7425 /* adjudicate after user-specified nr of repeats */
7426 int result = GameIsDrawn;
7427 char *details = "XBoard adjudication: repetition draw";
7428 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7429 // [HGM] xiangqi: check for forbidden perpetuals
7430 int m, ourPerpetual = 1, hisPerpetual = 1;
7431 for(m=forwardMostMove; m>k; m-=2) {
7432 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7433 ourPerpetual = 0; // the current mover did not always check
7434 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7435 hisPerpetual = 0; // the opponent did not always check
7437 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7438 ourPerpetual, hisPerpetual);
7439 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7440 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7441 details = "Xboard adjudication: perpetual checking";
7443 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7444 break; // (or we would have caught him before). Abort repetition-checking loop.
7446 // Now check for perpetual chases
7447 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7448 hisPerpetual = PerpetualChase(k, forwardMostMove);
7449 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7450 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7451 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7452 details = "Xboard adjudication: perpetual chasing";
7454 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7455 break; // Abort repetition-checking loop.
7457 // if neither of us is checking or chasing all the time, or both are, it is draw
7459 if(engineOpponent) {
7460 SendToProgram("force\n", engineOpponent); // suppress reply
7461 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7463 GameEnds( result, details, GE_XBOARD );
7466 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7467 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7471 /* Now we test for 50-move draws. Determine ply count */
7472 count = forwardMostMove;
7473 /* look for last irreversble move */
7474 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7476 /* if we hit starting position, add initial plies */
7477 if( count == backwardMostMove )
7478 count -= initialRulePlies;
7479 count = forwardMostMove - count;
7480 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7481 // adjust reversible move counter for checks in Xiangqi
7482 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7483 if(i < backwardMostMove) i = backwardMostMove;
7484 while(i <= forwardMostMove) {
7485 lastCheck = inCheck; // check evasion does not count
7486 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7487 if(inCheck || lastCheck) count--; // check does not count
7492 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7493 /* this is used to judge if draw claims are legal */
7494 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7495 if(engineOpponent) {
7496 SendToProgram("force\n", engineOpponent); // suppress reply
7497 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7499 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7503 /* if draw offer is pending, treat it as a draw claim
7504 * when draw condition present, to allow engines a way to
7505 * claim draws before making their move to avoid a race
7506 * condition occurring after their move
7508 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7510 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7511 p = "Draw claim: 50-move rule";
7512 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7513 p = "Draw claim: 3-fold repetition";
7514 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7515 p = "Draw claim: insufficient mating material";
7516 if( p != NULL && canAdjudicate) {
7517 if(engineOpponent) {
7518 SendToProgram("force\n", engineOpponent); // suppress reply
7519 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7521 GameEnds( GameIsDrawn, p, GE_XBOARD );
7526 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7527 if(engineOpponent) {
7528 SendToProgram("force\n", engineOpponent); // suppress reply
7529 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7531 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7537 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7538 { // [HGM] book: this routine intercepts moves to simulate book replies
7539 char *bookHit = NULL;
7541 //first determine if the incoming move brings opponent into his book
7542 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7543 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7544 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7545 if(bookHit != NULL && !cps->bookSuspend) {
7546 // make sure opponent is not going to reply after receiving move to book position
7547 SendToProgram("force\n", cps);
7548 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7550 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7551 // now arrange restart after book miss
7553 // after a book hit we never send 'go', and the code after the call to this routine
7554 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7556 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7557 SendToProgram(buf, cps);
7558 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7559 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7560 SendToProgram("go\n", cps);
7561 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7562 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7563 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7564 SendToProgram("go\n", cps);
7565 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7567 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7571 ChessProgramState *savedState;
7572 void DeferredBookMove(void)
7574 if(savedState->lastPing != savedState->lastPong)
7575 ScheduleDelayedEvent(DeferredBookMove, 10);
7577 HandleMachineMove(savedMessage, savedState);
7581 HandleMachineMove(message, cps)
7583 ChessProgramState *cps;
7585 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7586 char realname[MSG_SIZ];
7587 int fromX, fromY, toX, toY;
7596 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7598 * Kludge to ignore BEL characters
7600 while (*message == '\007') message++;
7603 * [HGM] engine debug message: ignore lines starting with '#' character
7605 if(cps->debug && *message == '#') return;
7608 * Look for book output
7610 if (cps == &first && bookRequested) {
7611 if (message[0] == '\t' || message[0] == ' ') {
7612 /* Part of the book output is here; append it */
7613 strcat(bookOutput, message);
7614 strcat(bookOutput, " \n");
7616 } else if (bookOutput[0] != NULLCHAR) {
7617 /* All of book output has arrived; display it */
7618 char *p = bookOutput;
7619 while (*p != NULLCHAR) {
7620 if (*p == '\t') *p = ' ';
7623 DisplayInformation(bookOutput);
7624 bookRequested = FALSE;
7625 /* Fall through to parse the current output */
7630 * Look for machine move.
7632 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7633 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7635 /* This method is only useful on engines that support ping */
7636 if (cps->lastPing != cps->lastPong) {
7637 if (gameMode == BeginningOfGame) {
7638 /* Extra move from before last new; ignore */
7639 if (appData.debugMode) {
7640 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7643 if (appData.debugMode) {
7644 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7645 cps->which, gameMode);
7648 SendToProgram("undo\n", cps);
7654 case BeginningOfGame:
7655 /* Extra move from before last reset; ignore */
7656 if (appData.debugMode) {
7657 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7664 /* Extra move after we tried to stop. The mode test is
7665 not a reliable way of detecting this problem, but it's
7666 the best we can do on engines that don't support ping.
7668 if (appData.debugMode) {
7669 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7670 cps->which, gameMode);
7672 SendToProgram("undo\n", cps);
7675 case MachinePlaysWhite:
7676 case IcsPlayingWhite:
7677 machineWhite = TRUE;
7680 case MachinePlaysBlack:
7681 case IcsPlayingBlack:
7682 machineWhite = FALSE;
7685 case TwoMachinesPlay:
7686 machineWhite = (cps->twoMachinesColor[0] == 'w');
7689 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7690 if (appData.debugMode) {
7692 "Ignoring move out of turn by %s, gameMode %d"
7693 ", forwardMost %d\n",
7694 cps->which, gameMode, forwardMostMove);
7699 if (appData.debugMode) { int f = forwardMostMove;
7700 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7701 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7702 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7704 if(cps->alphaRank) AlphaRank(machineMove, 4);
7705 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7706 &fromX, &fromY, &toX, &toY, &promoChar)) {
7707 /* Machine move could not be parsed; ignore it. */
7708 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7709 machineMove, _(cps->which));
7710 DisplayError(buf1, 0);
7711 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7712 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7713 if (gameMode == TwoMachinesPlay) {
7714 GameEnds(machineWhite ? BlackWins : WhiteWins,
7720 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7721 /* So we have to redo legality test with true e.p. status here, */
7722 /* to make sure an illegal e.p. capture does not slip through, */
7723 /* to cause a forfeit on a justified illegal-move complaint */
7724 /* of the opponent. */
7725 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7727 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7728 fromY, fromX, toY, toX, promoChar);
7729 if (appData.debugMode) {
7731 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7732 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7733 fprintf(debugFP, "castling rights\n");
7735 if(moveType == IllegalMove) {
7736 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7737 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7738 GameEnds(machineWhite ? BlackWins : WhiteWins,
7741 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7742 /* [HGM] Kludge to handle engines that send FRC-style castling
7743 when they shouldn't (like TSCP-Gothic) */
7745 case WhiteASideCastleFR:
7746 case BlackASideCastleFR:
7748 currentMoveString[2]++;
7750 case WhiteHSideCastleFR:
7751 case BlackHSideCastleFR:
7753 currentMoveString[2]--;
7755 default: ; // nothing to do, but suppresses warning of pedantic compilers
7758 hintRequested = FALSE;
7759 lastHint[0] = NULLCHAR;
7760 bookRequested = FALSE;
7761 /* Program may be pondering now */
7762 cps->maybeThinking = TRUE;
7763 if (cps->sendTime == 2) cps->sendTime = 1;
7764 if (cps->offeredDraw) cps->offeredDraw--;
7766 /* [AS] Save move info*/
7767 pvInfoList[ forwardMostMove ].score = programStats.score;
7768 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7769 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7771 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7773 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7774 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7777 while( count < adjudicateLossPlies ) {
7778 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7781 score = -score; /* Flip score for winning side */
7784 if( score > adjudicateLossThreshold ) {
7791 if( count >= adjudicateLossPlies ) {
7792 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7794 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7795 "Xboard adjudication",
7802 if(Adjudicate(cps)) {
7803 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7804 return; // [HGM] adjudicate: for all automatic game ends
7808 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7810 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7811 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7813 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7815 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7817 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7818 char buf[3*MSG_SIZ];
7820 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7821 programStats.score / 100.,
7823 programStats.time / 100.,
7824 (unsigned int)programStats.nodes,
7825 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7826 programStats.movelist);
7828 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7833 /* [AS] Clear stats for next move */
7834 ClearProgramStats();
7835 thinkOutput[0] = NULLCHAR;
7836 hiddenThinkOutputState = 0;
7839 if (gameMode == TwoMachinesPlay) {
7840 /* [HGM] relaying draw offers moved to after reception of move */
7841 /* and interpreting offer as claim if it brings draw condition */
7842 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7843 SendToProgram("draw\n", cps->other);
7845 if (cps->other->sendTime) {
7846 SendTimeRemaining(cps->other,
7847 cps->other->twoMachinesColor[0] == 'w');
7849 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7850 if (firstMove && !bookHit) {
7852 if (cps->other->useColors) {
7853 SendToProgram(cps->other->twoMachinesColor, cps->other);
7855 SendToProgram("go\n", cps->other);
7857 cps->other->maybeThinking = TRUE;
7860 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7862 if (!pausing && appData.ringBellAfterMoves) {
7867 * Reenable menu items that were disabled while
7868 * machine was thinking
7870 if (gameMode != TwoMachinesPlay)
7871 SetUserThinkingEnables();
7873 // [HGM] book: after book hit opponent has received move and is now in force mode
7874 // force the book reply into it, and then fake that it outputted this move by jumping
7875 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7877 static char bookMove[MSG_SIZ]; // a bit generous?
7879 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7880 strcat(bookMove, bookHit);
7883 programStats.nodes = programStats.depth = programStats.time =
7884 programStats.score = programStats.got_only_move = 0;
7885 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7887 if(cps->lastPing != cps->lastPong) {
7888 savedMessage = message; // args for deferred call
7890 ScheduleDelayedEvent(DeferredBookMove, 10);
7899 /* Set special modes for chess engines. Later something general
7900 * could be added here; for now there is just one kludge feature,
7901 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7902 * when "xboard" is given as an interactive command.
7904 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7905 cps->useSigint = FALSE;
7906 cps->useSigterm = FALSE;
7908 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7909 ParseFeatures(message+8, cps);
7910 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7913 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7914 int dummy, s=6; char buf[MSG_SIZ];
7915 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7916 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7917 ParseFEN(boards[0], &dummy, message+s);
7918 DrawPosition(TRUE, boards[0]);
7919 startedFromSetupPosition = TRUE;
7922 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7923 * want this, I was asked to put it in, and obliged.
7925 if (!strncmp(message, "setboard ", 9)) {
7926 Board initial_position;
7928 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7930 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7931 DisplayError(_("Bad FEN received from engine"), 0);
7935 CopyBoard(boards[0], initial_position);
7936 initialRulePlies = FENrulePlies;
7937 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7938 else gameMode = MachinePlaysBlack;
7939 DrawPosition(FALSE, boards[currentMove]);
7945 * Look for communication commands
7947 if (!strncmp(message, "telluser ", 9)) {
7948 if(message[9] == '\\' && message[10] == '\\')
7949 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7950 DisplayNote(message + 9);
7953 if (!strncmp(message, "tellusererror ", 14)) {
7955 if(message[14] == '\\' && message[15] == '\\')
7956 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7957 DisplayError(message + 14, 0);
7960 if (!strncmp(message, "tellopponent ", 13)) {
7961 if (appData.icsActive) {
7963 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7967 DisplayNote(message + 13);
7971 if (!strncmp(message, "tellothers ", 11)) {
7972 if (appData.icsActive) {
7974 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7980 if (!strncmp(message, "tellall ", 8)) {
7981 if (appData.icsActive) {
7983 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7987 DisplayNote(message + 8);
7991 if (strncmp(message, "warning", 7) == 0) {
7992 /* Undocumented feature, use tellusererror in new code */
7993 DisplayError(message, 0);
7996 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7997 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7998 strcat(realname, " query");
7999 AskQuestion(realname, buf2, buf1, cps->pr);
8002 /* Commands from the engine directly to ICS. We don't allow these to be
8003 * sent until we are logged on. Crafty kibitzes have been known to
8004 * interfere with the login process.
8007 if (!strncmp(message, "tellics ", 8)) {
8008 SendToICS(message + 8);
8012 if (!strncmp(message, "tellicsnoalias ", 15)) {
8013 SendToICS(ics_prefix);
8014 SendToICS(message + 15);
8018 /* The following are for backward compatibility only */
8019 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8020 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8021 SendToICS(ics_prefix);
8027 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8031 * If the move is illegal, cancel it and redraw the board.
8032 * Also deal with other error cases. Matching is rather loose
8033 * here to accommodate engines written before the spec.
8035 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8036 strncmp(message, "Error", 5) == 0) {
8037 if (StrStr(message, "name") ||
8038 StrStr(message, "rating") || StrStr(message, "?") ||
8039 StrStr(message, "result") || StrStr(message, "board") ||
8040 StrStr(message, "bk") || StrStr(message, "computer") ||
8041 StrStr(message, "variant") || StrStr(message, "hint") ||
8042 StrStr(message, "random") || StrStr(message, "depth") ||
8043 StrStr(message, "accepted")) {
8046 if (StrStr(message, "protover")) {
8047 /* Program is responding to input, so it's apparently done
8048 initializing, and this error message indicates it is
8049 protocol version 1. So we don't need to wait any longer
8050 for it to initialize and send feature commands. */
8051 FeatureDone(cps, 1);
8052 cps->protocolVersion = 1;
8055 cps->maybeThinking = FALSE;
8057 if (StrStr(message, "draw")) {
8058 /* Program doesn't have "draw" command */
8059 cps->sendDrawOffers = 0;
8062 if (cps->sendTime != 1 &&
8063 (StrStr(message, "time") || StrStr(message, "otim"))) {
8064 /* Program apparently doesn't have "time" or "otim" command */
8068 if (StrStr(message, "analyze")) {
8069 cps->analysisSupport = FALSE;
8070 cps->analyzing = FALSE;
8072 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8073 DisplayError(buf2, 0);
8076 if (StrStr(message, "(no matching move)st")) {
8077 /* Special kludge for GNU Chess 4 only */
8078 cps->stKludge = TRUE;
8079 SendTimeControl(cps, movesPerSession, timeControl,
8080 timeIncrement, appData.searchDepth,
8084 if (StrStr(message, "(no matching move)sd")) {
8085 /* Special kludge for GNU Chess 4 only */
8086 cps->sdKludge = TRUE;
8087 SendTimeControl(cps, movesPerSession, timeControl,
8088 timeIncrement, appData.searchDepth,
8092 if (!StrStr(message, "llegal")) {
8095 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8096 gameMode == IcsIdle) return;
8097 if (forwardMostMove <= backwardMostMove) return;
8098 if (pausing) PauseEvent();
8099 if(appData.forceIllegal) {
8100 // [HGM] illegal: machine refused move; force position after move into it
8101 SendToProgram("force\n", cps);
8102 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8103 // we have a real problem now, as SendBoard will use the a2a3 kludge
8104 // when black is to move, while there might be nothing on a2 or black
8105 // might already have the move. So send the board as if white has the move.
8106 // But first we must change the stm of the engine, as it refused the last move
8107 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8108 if(WhiteOnMove(forwardMostMove)) {
8109 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8110 SendBoard(cps, forwardMostMove); // kludgeless board
8112 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8113 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8114 SendBoard(cps, forwardMostMove+1); // kludgeless board
8116 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8117 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8118 gameMode == TwoMachinesPlay)
8119 SendToProgram("go\n", cps);
8122 if (gameMode == PlayFromGameFile) {
8123 /* Stop reading this game file */
8124 gameMode = EditGame;
8127 /* [HGM] illegal-move claim should forfeit game when Xboard */
8128 /* only passes fully legal moves */
8129 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8130 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8131 "False illegal-move claim", GE_XBOARD );
8132 return; // do not take back move we tested as valid
8134 currentMove = forwardMostMove-1;
8135 DisplayMove(currentMove-1); /* before DisplayMoveError */
8136 SwitchClocks(forwardMostMove-1); // [HGM] race
8137 DisplayBothClocks();
8138 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8139 parseList[currentMove], _(cps->which));
8140 DisplayMoveError(buf1);
8141 DrawPosition(FALSE, boards[currentMove]);
8144 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8145 /* Program has a broken "time" command that
8146 outputs a string not ending in newline.
8152 * If chess program startup fails, exit with an error message.
8153 * Attempts to recover here are futile.
8155 if ((StrStr(message, "unknown host") != NULL)
8156 || (StrStr(message, "No remote directory") != NULL)
8157 || (StrStr(message, "not found") != NULL)
8158 || (StrStr(message, "No such file") != NULL)
8159 || (StrStr(message, "can't alloc") != NULL)
8160 || (StrStr(message, "Permission denied") != NULL)) {
8162 cps->maybeThinking = FALSE;
8163 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8164 _(cps->which), cps->program, cps->host, message);
8165 RemoveInputSource(cps->isr);
8166 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8167 if(cps == &first) appData.noChessProgram = TRUE;
8168 DisplayError(buf1, 0);
8174 * Look for hint output
8176 if (sscanf(message, "Hint: %s", buf1) == 1) {
8177 if (cps == &first && hintRequested) {
8178 hintRequested = FALSE;
8179 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8180 &fromX, &fromY, &toX, &toY, &promoChar)) {
8181 (void) CoordsToAlgebraic(boards[forwardMostMove],
8182 PosFlags(forwardMostMove),
8183 fromY, fromX, toY, toX, promoChar, buf1);
8184 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8185 DisplayInformation(buf2);
8187 /* Hint move could not be parsed!? */
8188 snprintf(buf2, sizeof(buf2),
8189 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8190 buf1, _(cps->which));
8191 DisplayError(buf2, 0);
8194 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8200 * Ignore other messages if game is not in progress
8202 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8203 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8206 * look for win, lose, draw, or draw offer
8208 if (strncmp(message, "1-0", 3) == 0) {
8209 char *p, *q, *r = "";
8210 p = strchr(message, '{');
8218 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8220 } else if (strncmp(message, "0-1", 3) == 0) {
8221 char *p, *q, *r = "";
8222 p = strchr(message, '{');
8230 /* Kludge for Arasan 4.1 bug */
8231 if (strcmp(r, "Black resigns") == 0) {
8232 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8235 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8237 } else if (strncmp(message, "1/2", 3) == 0) {
8238 char *p, *q, *r = "";
8239 p = strchr(message, '{');
8248 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8251 } else if (strncmp(message, "White resign", 12) == 0) {
8252 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8254 } else if (strncmp(message, "Black resign", 12) == 0) {
8255 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8257 } else if (strncmp(message, "White matches", 13) == 0 ||
8258 strncmp(message, "Black matches", 13) == 0 ) {
8259 /* [HGM] ignore GNUShogi noises */
8261 } else if (strncmp(message, "White", 5) == 0 &&
8262 message[5] != '(' &&
8263 StrStr(message, "Black") == NULL) {
8264 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8266 } else if (strncmp(message, "Black", 5) == 0 &&
8267 message[5] != '(') {
8268 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8270 } else if (strcmp(message, "resign") == 0 ||
8271 strcmp(message, "computer resigns") == 0) {
8273 case MachinePlaysBlack:
8274 case IcsPlayingBlack:
8275 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8277 case MachinePlaysWhite:
8278 case IcsPlayingWhite:
8279 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8281 case TwoMachinesPlay:
8282 if (cps->twoMachinesColor[0] == 'w')
8283 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8285 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8292 } else if (strncmp(message, "opponent mates", 14) == 0) {
8294 case MachinePlaysBlack:
8295 case IcsPlayingBlack:
8296 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8298 case MachinePlaysWhite:
8299 case IcsPlayingWhite:
8300 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8302 case TwoMachinesPlay:
8303 if (cps->twoMachinesColor[0] == 'w')
8304 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8306 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8313 } else if (strncmp(message, "computer mates", 14) == 0) {
8315 case MachinePlaysBlack:
8316 case IcsPlayingBlack:
8317 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8319 case MachinePlaysWhite:
8320 case IcsPlayingWhite:
8321 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8323 case TwoMachinesPlay:
8324 if (cps->twoMachinesColor[0] == 'w')
8325 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8327 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8334 } else if (strncmp(message, "checkmate", 9) == 0) {
8335 if (WhiteOnMove(forwardMostMove)) {
8336 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8338 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8341 } else if (strstr(message, "Draw") != NULL ||
8342 strstr(message, "game is a draw") != NULL) {
8343 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8345 } else if (strstr(message, "offer") != NULL &&
8346 strstr(message, "draw") != NULL) {
8348 if (appData.zippyPlay && first.initDone) {
8349 /* Relay offer to ICS */
8350 SendToICS(ics_prefix);
8351 SendToICS("draw\n");
8354 cps->offeredDraw = 2; /* valid until this engine moves twice */
8355 if (gameMode == TwoMachinesPlay) {
8356 if (cps->other->offeredDraw) {
8357 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8358 /* [HGM] in two-machine mode we delay relaying draw offer */
8359 /* until after we also have move, to see if it is really claim */
8361 } else if (gameMode == MachinePlaysWhite ||
8362 gameMode == MachinePlaysBlack) {
8363 if (userOfferedDraw) {
8364 DisplayInformation(_("Machine accepts your draw offer"));
8365 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8367 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8374 * Look for thinking output
8376 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8377 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8379 int plylev, mvleft, mvtot, curscore, time;
8380 char mvname[MOVE_LEN];
8384 int prefixHint = FALSE;
8385 mvname[0] = NULLCHAR;
8388 case MachinePlaysBlack:
8389 case IcsPlayingBlack:
8390 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8392 case MachinePlaysWhite:
8393 case IcsPlayingWhite:
8394 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8399 case IcsObserving: /* [DM] icsEngineAnalyze */
8400 if (!appData.icsEngineAnalyze) ignore = TRUE;
8402 case TwoMachinesPlay:
8403 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8413 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8415 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8416 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8418 if (plyext != ' ' && plyext != '\t') {
8422 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8423 if( cps->scoreIsAbsolute &&
8424 ( gameMode == MachinePlaysBlack ||
8425 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8426 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8427 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8428 !WhiteOnMove(currentMove)
8431 curscore = -curscore;
8435 tempStats.depth = plylev;
8436 tempStats.nodes = nodes;
8437 tempStats.time = time;
8438 tempStats.score = curscore;
8439 tempStats.got_only_move = 0;
8441 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8444 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8445 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8446 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8447 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8448 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8449 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8450 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8451 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8454 /* Buffer overflow protection */
8455 if (buf1[0] != NULLCHAR) {
8456 if (strlen(buf1) >= sizeof(tempStats.movelist)
8457 && appData.debugMode) {
8459 "PV is too long; using the first %u bytes.\n",
8460 (unsigned) sizeof(tempStats.movelist) - 1);
8463 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8465 sprintf(tempStats.movelist, " no PV\n");
8468 if (tempStats.seen_stat) {
8469 tempStats.ok_to_send = 1;
8472 if (strchr(tempStats.movelist, '(') != NULL) {
8473 tempStats.line_is_book = 1;
8474 tempStats.nr_moves = 0;
8475 tempStats.moves_left = 0;
8477 tempStats.line_is_book = 0;
8480 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8481 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8483 SendProgramStatsToFrontend( cps, &tempStats );
8486 [AS] Protect the thinkOutput buffer from overflow... this
8487 is only useful if buf1 hasn't overflowed first!
8489 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8491 (gameMode == TwoMachinesPlay ?
8492 ToUpper(cps->twoMachinesColor[0]) : ' '),
8493 ((double) curscore) / 100.0,
8494 prefixHint ? lastHint : "",
8495 prefixHint ? " " : "" );
8497 if( buf1[0] != NULLCHAR ) {
8498 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8500 if( strlen(buf1) > max_len ) {
8501 if( appData.debugMode) {
8502 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8504 buf1[max_len+1] = '\0';
8507 strcat( thinkOutput, buf1 );
8510 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8511 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8512 DisplayMove(currentMove - 1);
8516 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8517 /* crafty (9.25+) says "(only move) <move>"
8518 * if there is only 1 legal move
8520 sscanf(p, "(only move) %s", buf1);
8521 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8522 sprintf(programStats.movelist, "%s (only move)", buf1);
8523 programStats.depth = 1;
8524 programStats.nr_moves = 1;
8525 programStats.moves_left = 1;
8526 programStats.nodes = 1;
8527 programStats.time = 1;
8528 programStats.got_only_move = 1;
8530 /* Not really, but we also use this member to
8531 mean "line isn't going to change" (Crafty
8532 isn't searching, so stats won't change) */
8533 programStats.line_is_book = 1;
8535 SendProgramStatsToFrontend( cps, &programStats );
8537 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8538 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8539 DisplayMove(currentMove - 1);
8542 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8543 &time, &nodes, &plylev, &mvleft,
8544 &mvtot, mvname) >= 5) {
8545 /* The stat01: line is from Crafty (9.29+) in response
8546 to the "." command */
8547 programStats.seen_stat = 1;
8548 cps->maybeThinking = TRUE;
8550 if (programStats.got_only_move || !appData.periodicUpdates)
8553 programStats.depth = plylev;
8554 programStats.time = time;
8555 programStats.nodes = nodes;
8556 programStats.moves_left = mvleft;
8557 programStats.nr_moves = mvtot;
8558 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8559 programStats.ok_to_send = 1;
8560 programStats.movelist[0] = '\0';
8562 SendProgramStatsToFrontend( cps, &programStats );
8566 } else if (strncmp(message,"++",2) == 0) {
8567 /* Crafty 9.29+ outputs this */
8568 programStats.got_fail = 2;
8571 } else if (strncmp(message,"--",2) == 0) {
8572 /* Crafty 9.29+ outputs this */
8573 programStats.got_fail = 1;
8576 } else if (thinkOutput[0] != NULLCHAR &&
8577 strncmp(message, " ", 4) == 0) {
8578 unsigned message_len;
8581 while (*p && *p == ' ') p++;
8583 message_len = strlen( p );
8585 /* [AS] Avoid buffer overflow */
8586 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8587 strcat(thinkOutput, " ");
8588 strcat(thinkOutput, p);
8591 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8592 strcat(programStats.movelist, " ");
8593 strcat(programStats.movelist, p);
8596 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8597 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8598 DisplayMove(currentMove - 1);
8606 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8607 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8609 ChessProgramStats cpstats;
8611 if (plyext != ' ' && plyext != '\t') {
8615 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8616 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8617 curscore = -curscore;
8620 cpstats.depth = plylev;
8621 cpstats.nodes = nodes;
8622 cpstats.time = time;
8623 cpstats.score = curscore;
8624 cpstats.got_only_move = 0;
8625 cpstats.movelist[0] = '\0';
8627 if (buf1[0] != NULLCHAR) {
8628 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8631 cpstats.ok_to_send = 0;
8632 cpstats.line_is_book = 0;
8633 cpstats.nr_moves = 0;
8634 cpstats.moves_left = 0;
8636 SendProgramStatsToFrontend( cps, &cpstats );
8643 /* Parse a game score from the character string "game", and
8644 record it as the history of the current game. The game
8645 score is NOT assumed to start from the standard position.
8646 The display is not updated in any way.
8649 ParseGameHistory(game)
8653 int fromX, fromY, toX, toY, boardIndex;
8658 if (appData.debugMode)
8659 fprintf(debugFP, "Parsing game history: %s\n", game);
8661 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8662 gameInfo.site = StrSave(appData.icsHost);
8663 gameInfo.date = PGNDate();
8664 gameInfo.round = StrSave("-");
8666 /* Parse out names of players */
8667 while (*game == ' ') game++;
8669 while (*game != ' ') *p++ = *game++;
8671 gameInfo.white = StrSave(buf);
8672 while (*game == ' ') game++;
8674 while (*game != ' ' && *game != '\n') *p++ = *game++;
8676 gameInfo.black = StrSave(buf);
8679 boardIndex = blackPlaysFirst ? 1 : 0;
8682 yyboardindex = boardIndex;
8683 moveType = (ChessMove) Myylex();
8685 case IllegalMove: /* maybe suicide chess, etc. */
8686 if (appData.debugMode) {
8687 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8688 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8689 setbuf(debugFP, NULL);
8691 case WhitePromotion:
8692 case BlackPromotion:
8693 case WhiteNonPromotion:
8694 case BlackNonPromotion:
8696 case WhiteCapturesEnPassant:
8697 case BlackCapturesEnPassant:
8698 case WhiteKingSideCastle:
8699 case WhiteQueenSideCastle:
8700 case BlackKingSideCastle:
8701 case BlackQueenSideCastle:
8702 case WhiteKingSideCastleWild:
8703 case WhiteQueenSideCastleWild:
8704 case BlackKingSideCastleWild:
8705 case BlackQueenSideCastleWild:
8707 case WhiteHSideCastleFR:
8708 case WhiteASideCastleFR:
8709 case BlackHSideCastleFR:
8710 case BlackASideCastleFR:
8712 fromX = currentMoveString[0] - AAA;
8713 fromY = currentMoveString[1] - ONE;
8714 toX = currentMoveString[2] - AAA;
8715 toY = currentMoveString[3] - ONE;
8716 promoChar = currentMoveString[4];
8720 fromX = moveType == WhiteDrop ?
8721 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8722 (int) CharToPiece(ToLower(currentMoveString[0]));
8724 toX = currentMoveString[2] - AAA;
8725 toY = currentMoveString[3] - ONE;
8726 promoChar = NULLCHAR;
8730 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8731 if (appData.debugMode) {
8732 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8733 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8734 setbuf(debugFP, NULL);
8736 DisplayError(buf, 0);
8738 case ImpossibleMove:
8740 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8741 if (appData.debugMode) {
8742 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8743 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8744 setbuf(debugFP, NULL);
8746 DisplayError(buf, 0);
8749 if (boardIndex < backwardMostMove) {
8750 /* Oops, gap. How did that happen? */
8751 DisplayError(_("Gap in move list"), 0);
8754 backwardMostMove = blackPlaysFirst ? 1 : 0;
8755 if (boardIndex > forwardMostMove) {
8756 forwardMostMove = boardIndex;
8760 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8761 strcat(parseList[boardIndex-1], " ");
8762 strcat(parseList[boardIndex-1], yy_text);
8774 case GameUnfinished:
8775 if (gameMode == IcsExamining) {
8776 if (boardIndex < backwardMostMove) {
8777 /* Oops, gap. How did that happen? */
8780 backwardMostMove = blackPlaysFirst ? 1 : 0;
8783 gameInfo.result = moveType;
8784 p = strchr(yy_text, '{');
8785 if (p == NULL) p = strchr(yy_text, '(');
8788 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8790 q = strchr(p, *p == '{' ? '}' : ')');
8791 if (q != NULL) *q = NULLCHAR;
8794 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8795 gameInfo.resultDetails = StrSave(p);
8798 if (boardIndex >= forwardMostMove &&
8799 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8800 backwardMostMove = blackPlaysFirst ? 1 : 0;
8803 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8804 fromY, fromX, toY, toX, promoChar,
8805 parseList[boardIndex]);
8806 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8807 /* currentMoveString is set as a side-effect of yylex */
8808 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8809 strcat(moveList[boardIndex], "\n");
8811 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8812 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8818 if(gameInfo.variant != VariantShogi)
8819 strcat(parseList[boardIndex - 1], "+");
8823 strcat(parseList[boardIndex - 1], "#");
8830 /* Apply a move to the given board */
8832 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8833 int fromX, fromY, toX, toY;
8837 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8838 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8840 /* [HGM] compute & store e.p. status and castling rights for new position */
8841 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8843 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8844 oldEP = (signed char)board[EP_STATUS];
8845 board[EP_STATUS] = EP_NONE;
8847 if( board[toY][toX] != EmptySquare )
8848 board[EP_STATUS] = EP_CAPTURE;
8850 if (fromY == DROP_RANK) {
8852 piece = board[toY][toX] = (ChessSquare) fromX;
8856 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8857 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8858 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8860 if( board[fromY][fromX] == WhitePawn ) {
8861 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8862 board[EP_STATUS] = EP_PAWN_MOVE;
8864 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8865 gameInfo.variant != VariantBerolina || toX < fromX)
8866 board[EP_STATUS] = toX | berolina;
8867 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8868 gameInfo.variant != VariantBerolina || toX > fromX)
8869 board[EP_STATUS] = toX;
8872 if( board[fromY][fromX] == BlackPawn ) {
8873 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8874 board[EP_STATUS] = EP_PAWN_MOVE;
8875 if( toY-fromY== -2) {
8876 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8877 gameInfo.variant != VariantBerolina || toX < fromX)
8878 board[EP_STATUS] = toX | berolina;
8879 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8880 gameInfo.variant != VariantBerolina || toX > fromX)
8881 board[EP_STATUS] = toX;
8885 for(i=0; i<nrCastlingRights; i++) {
8886 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8887 board[CASTLING][i] == toX && castlingRank[i] == toY
8888 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8891 if (fromX == toX && fromY == toY) return;
8893 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8894 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8895 if(gameInfo.variant == VariantKnightmate)
8896 king += (int) WhiteUnicorn - (int) WhiteKing;
8898 /* Code added by Tord: */
8899 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8900 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8901 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8902 board[fromY][fromX] = EmptySquare;
8903 board[toY][toX] = EmptySquare;
8904 if((toX > fromX) != (piece == WhiteRook)) {
8905 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8907 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8909 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8910 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8911 board[fromY][fromX] = EmptySquare;
8912 board[toY][toX] = EmptySquare;
8913 if((toX > fromX) != (piece == BlackRook)) {
8914 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8916 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8918 /* End of code added by Tord */
8920 } else if (board[fromY][fromX] == king
8921 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8922 && toY == fromY && toX > fromX+1) {
8923 board[fromY][fromX] = EmptySquare;
8924 board[toY][toX] = king;
8925 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8926 board[fromY][BOARD_RGHT-1] = EmptySquare;
8927 } else if (board[fromY][fromX] == king
8928 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8929 && toY == fromY && toX < fromX-1) {
8930 board[fromY][fromX] = EmptySquare;
8931 board[toY][toX] = king;
8932 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8933 board[fromY][BOARD_LEFT] = EmptySquare;
8934 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8935 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8936 && toY >= BOARD_HEIGHT-promoRank
8938 /* white pawn promotion */
8939 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8940 if (board[toY][toX] == EmptySquare) {
8941 board[toY][toX] = WhiteQueen;
8943 if(gameInfo.variant==VariantBughouse ||
8944 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8945 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8946 board[fromY][fromX] = EmptySquare;
8947 } else if ((fromY == BOARD_HEIGHT-4)
8949 && gameInfo.variant != VariantXiangqi
8950 && gameInfo.variant != VariantBerolina
8951 && (board[fromY][fromX] == WhitePawn)
8952 && (board[toY][toX] == EmptySquare)) {
8953 board[fromY][fromX] = EmptySquare;
8954 board[toY][toX] = WhitePawn;
8955 captured = board[toY - 1][toX];
8956 board[toY - 1][toX] = EmptySquare;
8957 } else if ((fromY == BOARD_HEIGHT-4)
8959 && gameInfo.variant == VariantBerolina
8960 && (board[fromY][fromX] == WhitePawn)
8961 && (board[toY][toX] == EmptySquare)) {
8962 board[fromY][fromX] = EmptySquare;
8963 board[toY][toX] = WhitePawn;
8964 if(oldEP & EP_BEROLIN_A) {
8965 captured = board[fromY][fromX-1];
8966 board[fromY][fromX-1] = EmptySquare;
8967 }else{ captured = board[fromY][fromX+1];
8968 board[fromY][fromX+1] = EmptySquare;
8970 } else if (board[fromY][fromX] == king
8971 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8972 && toY == fromY && toX > fromX+1) {
8973 board[fromY][fromX] = EmptySquare;
8974 board[toY][toX] = king;
8975 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8976 board[fromY][BOARD_RGHT-1] = EmptySquare;
8977 } else if (board[fromY][fromX] == king
8978 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8979 && toY == fromY && toX < fromX-1) {
8980 board[fromY][fromX] = EmptySquare;
8981 board[toY][toX] = king;
8982 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8983 board[fromY][BOARD_LEFT] = EmptySquare;
8984 } else if (fromY == 7 && fromX == 3
8985 && board[fromY][fromX] == BlackKing
8986 && toY == 7 && toX == 5) {
8987 board[fromY][fromX] = EmptySquare;
8988 board[toY][toX] = BlackKing;
8989 board[fromY][7] = EmptySquare;
8990 board[toY][4] = BlackRook;
8991 } else if (fromY == 7 && fromX == 3
8992 && board[fromY][fromX] == BlackKing
8993 && toY == 7 && toX == 1) {
8994 board[fromY][fromX] = EmptySquare;
8995 board[toY][toX] = BlackKing;
8996 board[fromY][0] = EmptySquare;
8997 board[toY][2] = BlackRook;
8998 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
8999 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9002 /* black pawn promotion */
9003 board[toY][toX] = CharToPiece(ToLower(promoChar));
9004 if (board[toY][toX] == EmptySquare) {
9005 board[toY][toX] = BlackQueen;
9007 if(gameInfo.variant==VariantBughouse ||
9008 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9009 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9010 board[fromY][fromX] = EmptySquare;
9011 } else if ((fromY == 3)
9013 && gameInfo.variant != VariantXiangqi
9014 && gameInfo.variant != VariantBerolina
9015 && (board[fromY][fromX] == BlackPawn)
9016 && (board[toY][toX] == EmptySquare)) {
9017 board[fromY][fromX] = EmptySquare;
9018 board[toY][toX] = BlackPawn;
9019 captured = board[toY + 1][toX];
9020 board[toY + 1][toX] = EmptySquare;
9021 } else if ((fromY == 3)
9023 && gameInfo.variant == VariantBerolina
9024 && (board[fromY][fromX] == BlackPawn)
9025 && (board[toY][toX] == EmptySquare)) {
9026 board[fromY][fromX] = EmptySquare;
9027 board[toY][toX] = BlackPawn;
9028 if(oldEP & EP_BEROLIN_A) {
9029 captured = board[fromY][fromX-1];
9030 board[fromY][fromX-1] = EmptySquare;
9031 }else{ captured = board[fromY][fromX+1];
9032 board[fromY][fromX+1] = EmptySquare;
9035 board[toY][toX] = board[fromY][fromX];
9036 board[fromY][fromX] = EmptySquare;
9040 if (gameInfo.holdingsWidth != 0) {
9042 /* !!A lot more code needs to be written to support holdings */
9043 /* [HGM] OK, so I have written it. Holdings are stored in the */
9044 /* penultimate board files, so they are automaticlly stored */
9045 /* in the game history. */
9046 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9047 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9048 /* Delete from holdings, by decreasing count */
9049 /* and erasing image if necessary */
9050 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9051 if(p < (int) BlackPawn) { /* white drop */
9052 p -= (int)WhitePawn;
9053 p = PieceToNumber((ChessSquare)p);
9054 if(p >= gameInfo.holdingsSize) p = 0;
9055 if(--board[p][BOARD_WIDTH-2] <= 0)
9056 board[p][BOARD_WIDTH-1] = EmptySquare;
9057 if((int)board[p][BOARD_WIDTH-2] < 0)
9058 board[p][BOARD_WIDTH-2] = 0;
9059 } else { /* black drop */
9060 p -= (int)BlackPawn;
9061 p = PieceToNumber((ChessSquare)p);
9062 if(p >= gameInfo.holdingsSize) p = 0;
9063 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9064 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9065 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9066 board[BOARD_HEIGHT-1-p][1] = 0;
9069 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9070 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9071 /* [HGM] holdings: Add to holdings, if holdings exist */
9072 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
9073 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9074 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9077 if (p >= (int) BlackPawn) {
9078 p -= (int)BlackPawn;
9079 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9080 /* in Shogi restore piece to its original first */
9081 captured = (ChessSquare) (DEMOTED captured);
9084 p = PieceToNumber((ChessSquare)p);
9085 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9086 board[p][BOARD_WIDTH-2]++;
9087 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9089 p -= (int)WhitePawn;
9090 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9091 captured = (ChessSquare) (DEMOTED captured);
9094 p = PieceToNumber((ChessSquare)p);
9095 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9096 board[BOARD_HEIGHT-1-p][1]++;
9097 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9100 } else if (gameInfo.variant == VariantAtomic) {
9101 if (captured != EmptySquare) {
9103 for (y = toY-1; y <= toY+1; y++) {
9104 for (x = toX-1; x <= toX+1; x++) {
9105 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9106 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9107 board[y][x] = EmptySquare;
9111 board[toY][toX] = EmptySquare;
9114 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9115 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9117 if(promoChar == '+') {
9118 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9119 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9120 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9121 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9123 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9124 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9125 // [HGM] superchess: take promotion piece out of holdings
9126 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9127 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9128 if(!--board[k][BOARD_WIDTH-2])
9129 board[k][BOARD_WIDTH-1] = EmptySquare;
9131 if(!--board[BOARD_HEIGHT-1-k][1])
9132 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9138 /* Updates forwardMostMove */
9140 MakeMove(fromX, fromY, toX, toY, promoChar)
9141 int fromX, fromY, toX, toY;
9144 // forwardMostMove++; // [HGM] bare: moved downstream
9146 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9147 int timeLeft; static int lastLoadFlag=0; int king, piece;
9148 piece = boards[forwardMostMove][fromY][fromX];
9149 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9150 if(gameInfo.variant == VariantKnightmate)
9151 king += (int) WhiteUnicorn - (int) WhiteKing;
9152 if(forwardMostMove == 0) {
9154 fprintf(serverMoves, "%s;", second.tidy);
9155 fprintf(serverMoves, "%s;", first.tidy);
9156 if(!blackPlaysFirst)
9157 fprintf(serverMoves, "%s;", second.tidy);
9158 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9159 lastLoadFlag = loadFlag;
9161 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9162 // print castling suffix
9163 if( toY == fromY && piece == king ) {
9165 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9167 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9170 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9171 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9172 boards[forwardMostMove][toY][toX] == EmptySquare
9173 && fromX != toX && fromY != toY)
9174 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9176 if(promoChar != NULLCHAR)
9177 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9179 fprintf(serverMoves, "/%d/%d",
9180 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9181 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9182 else timeLeft = blackTimeRemaining/1000;
9183 fprintf(serverMoves, "/%d", timeLeft);
9185 fflush(serverMoves);
9188 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9189 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9193 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9194 if (commentList[forwardMostMove+1] != NULL) {
9195 free(commentList[forwardMostMove+1]);
9196 commentList[forwardMostMove+1] = NULL;
9198 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9199 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9200 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9201 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9202 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9203 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9204 gameInfo.result = GameUnfinished;
9205 if (gameInfo.resultDetails != NULL) {
9206 free(gameInfo.resultDetails);
9207 gameInfo.resultDetails = NULL;
9209 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9210 moveList[forwardMostMove - 1]);
9211 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9212 PosFlags(forwardMostMove - 1),
9213 fromY, fromX, toY, toX, promoChar,
9214 parseList[forwardMostMove - 1]);
9215 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9221 if(gameInfo.variant != VariantShogi)
9222 strcat(parseList[forwardMostMove - 1], "+");
9226 strcat(parseList[forwardMostMove - 1], "#");
9229 if (appData.debugMode) {
9230 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9235 /* Updates currentMove if not pausing */
9237 ShowMove(fromX, fromY, toX, toY)
9239 int instant = (gameMode == PlayFromGameFile) ?
9240 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9241 if(appData.noGUI) return;
9242 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9244 if (forwardMostMove == currentMove + 1) {
9245 AnimateMove(boards[forwardMostMove - 1],
9246 fromX, fromY, toX, toY);
9248 if (appData.highlightLastMove) {
9249 SetHighlights(fromX, fromY, toX, toY);
9252 currentMove = forwardMostMove;
9255 if (instant) return;
9257 DisplayMove(currentMove - 1);
9258 DrawPosition(FALSE, boards[currentMove]);
9259 DisplayBothClocks();
9260 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9261 DisplayBook(currentMove);
9264 void SendEgtPath(ChessProgramState *cps)
9265 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9266 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9268 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9271 char c, *q = name+1, *r, *s;
9273 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9274 while(*p && *p != ',') *q++ = *p++;
9276 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9277 strcmp(name, ",nalimov:") == 0 ) {
9278 // take nalimov path from the menu-changeable option first, if it is defined
9279 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9280 SendToProgram(buf,cps); // send egtbpath command for nalimov
9282 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9283 (s = StrStr(appData.egtFormats, name)) != NULL) {
9284 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9285 s = r = StrStr(s, ":") + 1; // beginning of path info
9286 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9287 c = *r; *r = 0; // temporarily null-terminate path info
9288 *--q = 0; // strip of trailig ':' from name
9289 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9291 SendToProgram(buf,cps); // send egtbpath command for this format
9293 if(*p == ',') p++; // read away comma to position for next format name
9298 InitChessProgram(cps, setup)
9299 ChessProgramState *cps;
9300 int setup; /* [HGM] needed to setup FRC opening position */
9302 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9303 if (appData.noChessProgram) return;
9304 hintRequested = FALSE;
9305 bookRequested = FALSE;
9307 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9308 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9309 if(cps->memSize) { /* [HGM] memory */
9310 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9311 SendToProgram(buf, cps);
9313 SendEgtPath(cps); /* [HGM] EGT */
9314 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9315 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9316 SendToProgram(buf, cps);
9319 SendToProgram(cps->initString, cps);
9320 if (gameInfo.variant != VariantNormal &&
9321 gameInfo.variant != VariantLoadable
9322 /* [HGM] also send variant if board size non-standard */
9323 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9325 char *v = VariantName(gameInfo.variant);
9326 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9327 /* [HGM] in protocol 1 we have to assume all variants valid */
9328 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9329 DisplayFatalError(buf, 0, 1);
9333 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9334 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9335 if( gameInfo.variant == VariantXiangqi )
9336 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9337 if( gameInfo.variant == VariantShogi )
9338 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9339 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9340 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9341 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9342 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9343 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9344 if( gameInfo.variant == VariantCourier )
9345 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9346 if( gameInfo.variant == VariantSuper )
9347 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9348 if( gameInfo.variant == VariantGreat )
9349 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9350 if( gameInfo.variant == VariantSChess )
9351 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9354 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9355 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9356 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9357 if(StrStr(cps->variants, b) == NULL) {
9358 // specific sized variant not known, check if general sizing allowed
9359 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9360 if(StrStr(cps->variants, "boardsize") == NULL) {
9361 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9362 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9363 DisplayFatalError(buf, 0, 1);
9366 /* [HGM] here we really should compare with the maximum supported board size */
9369 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9370 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9371 SendToProgram(buf, cps);
9373 currentlyInitializedVariant = gameInfo.variant;
9375 /* [HGM] send opening position in FRC to first engine */
9377 SendToProgram("force\n", cps);
9379 /* engine is now in force mode! Set flag to wake it up after first move. */
9380 setboardSpoiledMachineBlack = 1;
9384 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9385 SendToProgram(buf, cps);
9387 cps->maybeThinking = FALSE;
9388 cps->offeredDraw = 0;
9389 if (!appData.icsActive) {
9390 SendTimeControl(cps, movesPerSession, timeControl,
9391 timeIncrement, appData.searchDepth,
9394 if (appData.showThinking
9395 // [HGM] thinking: four options require thinking output to be sent
9396 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9398 SendToProgram("post\n", cps);
9400 SendToProgram("hard\n", cps);
9401 if (!appData.ponderNextMove) {
9402 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9403 it without being sure what state we are in first. "hard"
9404 is not a toggle, so that one is OK.
9406 SendToProgram("easy\n", cps);
9409 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9410 SendToProgram(buf, cps);
9412 cps->initDone = TRUE;
9417 StartChessProgram(cps)
9418 ChessProgramState *cps;
9423 if (appData.noChessProgram) return;
9424 cps->initDone = FALSE;
9426 if (strcmp(cps->host, "localhost") == 0) {
9427 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9428 } else if (*appData.remoteShell == NULLCHAR) {
9429 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9431 if (*appData.remoteUser == NULLCHAR) {
9432 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9435 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9436 cps->host, appData.remoteUser, cps->program);
9438 err = StartChildProcess(buf, "", &cps->pr);
9442 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9443 DisplayFatalError(buf, err, 1);
9449 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9450 if (cps->protocolVersion > 1) {
9451 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9452 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9453 cps->comboCnt = 0; // and values of combo boxes
9454 SendToProgram(buf, cps);
9456 SendToProgram("xboard\n", cps);
9461 TwoMachinesEventIfReady P((void))
9463 static int curMess = 0;
9464 if (first.lastPing != first.lastPong) {
9465 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9466 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9469 if (second.lastPing != second.lastPong) {
9470 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9471 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9474 DisplayMessage("", ""); curMess = 0;
9480 CreateTourney(char *name)
9483 if(name[0] == NULLCHAR) return 0;
9484 f = fopen(appData.tourneyFile, "r");
9485 if(f) { // file exists
9486 ParseArgsFromFile(f); // parse it
9488 f = fopen(appData.tourneyFile, "w");
9489 if(f == NULL) { DisplayError("Could not write on tourney file", 0); return 0; } else {
9490 // create a file with tournament description
9491 fprintf(f, "-participants {%s}\n", appData.participants);
9492 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9493 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9494 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9495 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9496 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9497 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9498 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9499 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9500 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9501 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9502 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9504 fprintf(f, "-searchTime \"%s\"\n", appData.searchTime);
9506 fprintf(f, "-mps %d\n", appData.movesPerSession);
9507 fprintf(f, "-tc %s\n", appData.timeControl);
9508 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9510 fprintf(f, "-results \"\"\n");
9514 appData.noChessProgram = FALSE;
9515 appData.clockMode = TRUE;
9520 #define MAXENGINES 1000
9521 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9523 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9525 char buf[MSG_SIZ], *p, *q;
9529 while(*p && *p != '\n') *q++ = *p++;
9531 if(engineList[i]) free(engineList[i]);
9532 engineList[i] = strdup(buf);
9534 TidyProgramName(engineList[i], "localhost", buf);
9535 if(engineMnemonic[i]) free(engineMnemonic[i]);
9536 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9538 sscanf(q + 8, "%s", buf + strlen(buf));
9541 engineMnemonic[i] = strdup(buf);
9543 if(i > MAXENGINES - 2) break;
9545 engineList[i] = NULL;
9548 // following implemented as macro to avoid type limitations
9549 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9551 void SwapEngines(int n)
9552 { // swap settings for first engine and other engine (so far only some selected options)
9557 SWAP(chessProgram, p)
9559 SWAP(hasOwnBookUCI, h)
9560 SWAP(protocolVersion, h)
9562 SWAP(scoreIsAbsolute, h)
9569 SetPlayer(int player)
9570 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9572 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9573 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9574 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9575 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9577 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9578 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9579 ParseArgsFromString(buf);
9585 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9586 { // determine players from game number
9587 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle, pairingsPerRound;
9589 if(appData.tourneyType == 0) {
9590 roundsPerCycle = (nPlayers - 1) | 1;
9591 pairingsPerRound = nPlayers / 2;
9592 } else if(appData.tourneyType > 0) {
9593 roundsPerCycle = nPlayers - appData.tourneyType;
9594 pairingsPerRound = appData.tourneyType;
9596 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9597 gamesPerCycle = gamesPerRound * roundsPerCycle;
9598 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9599 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9600 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9601 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9602 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9603 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9605 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9606 if(appData.roundSync) *syncInterval = gamesPerRound;
9608 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9610 if(appData.tourneyType == 0) {
9611 if(curPairing == (nPlayers-1)/2 ) {
9612 *whitePlayer = curRound;
9613 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9615 *whitePlayer = curRound - pairingsPerRound + curPairing;
9616 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9617 *blackPlayer = curRound + pairingsPerRound - curPairing;
9618 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9620 } else if(appData.tourneyType > 0) {
9621 *whitePlayer = curPairing;
9622 *blackPlayer = curRound + appData.tourneyType;
9625 // take care of white/black alternation per round.
9626 // For cycles and games this is already taken care of by default, derived from matchGame!
9627 return curRound & 1;
9631 NextTourneyGame(int nr, int *swapColors)
9632 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9634 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers=0;
9636 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9637 tf = fopen(appData.tourneyFile, "r");
9638 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9639 ParseArgsFromFile(tf); fclose(tf);
9640 InitTimeControls(); // TC might be altered from tourney file
9642 p = appData.participants;
9643 while(p = strchr(p, '\n')) p++, nPlayers++; // count participants
9644 *swapColors = Pairing(nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9647 p = q = appData.results;
9648 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9649 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9650 DisplayMessage(_("Waiting for other game(s)"),"");
9651 waitingForGame = TRUE;
9652 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9655 waitingForGame = FALSE;
9658 if(first.pr != NoProc) return 1; // engines already loaded
9660 // redefine engines, engine dir, etc.
9661 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9662 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9664 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9665 SwapEngines(1); // and make that valid for second engine by swapping
9666 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9667 InitEngine(&second, 1);
9668 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9674 { // performs game initialization that does not invoke engines, and then tries to start the game
9675 int firstWhite, swapColors = 0;
9676 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9677 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9678 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9679 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9680 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9681 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9682 Reset(FALSE, first.pr != NoProc);
9683 appData.noChessProgram = FALSE;
9684 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9688 void UserAdjudicationEvent( int result )
9690 ChessMove gameResult = GameIsDrawn;
9693 gameResult = WhiteWins;
9695 else if( result < 0 ) {
9696 gameResult = BlackWins;
9699 if( gameMode == TwoMachinesPlay ) {
9700 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9705 // [HGM] save: calculate checksum of game to make games easily identifiable
9706 int StringCheckSum(char *s)
9709 if(s==NULL) return 0;
9710 while(*s) i = i*259 + *s++;
9717 for(i=backwardMostMove; i<forwardMostMove; i++) {
9718 sum += pvInfoList[i].depth;
9719 sum += StringCheckSum(parseList[i]);
9720 sum += StringCheckSum(commentList[i]);
9723 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9724 return sum + StringCheckSum(commentList[i]);
9725 } // end of save patch
9728 GameEnds(result, resultDetails, whosays)
9730 char *resultDetails;
9733 GameMode nextGameMode;
9735 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9737 if(endingGame) return; /* [HGM] crash: forbid recursion */
9739 if(twoBoards) { // [HGM] dual: switch back to one board
9740 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9741 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9743 if (appData.debugMode) {
9744 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9745 result, resultDetails ? resultDetails : "(null)", whosays);
9748 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9750 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9751 /* If we are playing on ICS, the server decides when the
9752 game is over, but the engine can offer to draw, claim
9756 if (appData.zippyPlay && first.initDone) {
9757 if (result == GameIsDrawn) {
9758 /* In case draw still needs to be claimed */
9759 SendToICS(ics_prefix);
9760 SendToICS("draw\n");
9761 } else if (StrCaseStr(resultDetails, "resign")) {
9762 SendToICS(ics_prefix);
9763 SendToICS("resign\n");
9767 endingGame = 0; /* [HGM] crash */
9771 /* If we're loading the game from a file, stop */
9772 if (whosays == GE_FILE) {
9773 (void) StopLoadGameTimer();
9777 /* Cancel draw offers */
9778 first.offeredDraw = second.offeredDraw = 0;
9780 /* If this is an ICS game, only ICS can really say it's done;
9781 if not, anyone can. */
9782 isIcsGame = (gameMode == IcsPlayingWhite ||
9783 gameMode == IcsPlayingBlack ||
9784 gameMode == IcsObserving ||
9785 gameMode == IcsExamining);
9787 if (!isIcsGame || whosays == GE_ICS) {
9788 /* OK -- not an ICS game, or ICS said it was done */
9790 if (!isIcsGame && !appData.noChessProgram)
9791 SetUserThinkingEnables();
9793 /* [HGM] if a machine claims the game end we verify this claim */
9794 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9795 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9797 ChessMove trueResult = (ChessMove) -1;
9799 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9800 first.twoMachinesColor[0] :
9801 second.twoMachinesColor[0] ;
9803 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9804 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9805 /* [HGM] verify: engine mate claims accepted if they were flagged */
9806 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9808 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9809 /* [HGM] verify: engine mate claims accepted if they were flagged */
9810 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9812 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9813 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9816 // now verify win claims, but not in drop games, as we don't understand those yet
9817 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9818 || gameInfo.variant == VariantGreat) &&
9819 (result == WhiteWins && claimer == 'w' ||
9820 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9821 if (appData.debugMode) {
9822 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9823 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9825 if(result != trueResult) {
9826 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9827 result = claimer == 'w' ? BlackWins : WhiteWins;
9828 resultDetails = buf;
9831 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9832 && (forwardMostMove <= backwardMostMove ||
9833 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9834 (claimer=='b')==(forwardMostMove&1))
9836 /* [HGM] verify: draws that were not flagged are false claims */
9837 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9838 result = claimer == 'w' ? BlackWins : WhiteWins;
9839 resultDetails = buf;
9841 /* (Claiming a loss is accepted no questions asked!) */
9843 /* [HGM] bare: don't allow bare King to win */
9844 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9845 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9846 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9847 && result != GameIsDrawn)
9848 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9849 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9850 int p = (signed char)boards[forwardMostMove][i][j] - color;
9851 if(p >= 0 && p <= (int)WhiteKing) k++;
9853 if (appData.debugMode) {
9854 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9855 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9858 result = GameIsDrawn;
9859 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9860 resultDetails = buf;
9866 if(serverMoves != NULL && !loadFlag) { char c = '=';
9867 if(result==WhiteWins) c = '+';
9868 if(result==BlackWins) c = '-';
9869 if(resultDetails != NULL)
9870 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9872 if (resultDetails != NULL) {
9873 gameInfo.result = result;
9874 gameInfo.resultDetails = StrSave(resultDetails);
9876 /* display last move only if game was not loaded from file */
9877 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9878 DisplayMove(currentMove - 1);
9880 if (forwardMostMove != 0) {
9881 if (gameMode != PlayFromGameFile && gameMode != EditGame
9882 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9884 if (*appData.saveGameFile != NULLCHAR) {
9885 SaveGameToFile(appData.saveGameFile, TRUE);
9886 } else if (appData.autoSaveGames) {
9889 if (*appData.savePositionFile != NULLCHAR) {
9890 SavePositionToFile(appData.savePositionFile);
9895 /* Tell program how game ended in case it is learning */
9896 /* [HGM] Moved this to after saving the PGN, just in case */
9897 /* engine died and we got here through time loss. In that */
9898 /* case we will get a fatal error writing the pipe, which */
9899 /* would otherwise lose us the PGN. */
9900 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9901 /* output during GameEnds should never be fatal anymore */
9902 if (gameMode == MachinePlaysWhite ||
9903 gameMode == MachinePlaysBlack ||
9904 gameMode == TwoMachinesPlay ||
9905 gameMode == IcsPlayingWhite ||
9906 gameMode == IcsPlayingBlack ||
9907 gameMode == BeginningOfGame) {
9909 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9911 if (first.pr != NoProc) {
9912 SendToProgram(buf, &first);
9914 if (second.pr != NoProc &&
9915 gameMode == TwoMachinesPlay) {
9916 SendToProgram(buf, &second);
9921 if (appData.icsActive) {
9922 if (appData.quietPlay &&
9923 (gameMode == IcsPlayingWhite ||
9924 gameMode == IcsPlayingBlack)) {
9925 SendToICS(ics_prefix);
9926 SendToICS("set shout 1\n");
9928 nextGameMode = IcsIdle;
9929 ics_user_moved = FALSE;
9930 /* clean up premove. It's ugly when the game has ended and the
9931 * premove highlights are still on the board.
9935 ClearPremoveHighlights();
9936 DrawPosition(FALSE, boards[currentMove]);
9938 if (whosays == GE_ICS) {
9941 if (gameMode == IcsPlayingWhite)
9943 else if(gameMode == IcsPlayingBlack)
9947 if (gameMode == IcsPlayingBlack)
9949 else if(gameMode == IcsPlayingWhite)
9956 PlayIcsUnfinishedSound();
9959 } else if (gameMode == EditGame ||
9960 gameMode == PlayFromGameFile ||
9961 gameMode == AnalyzeMode ||
9962 gameMode == AnalyzeFile) {
9963 nextGameMode = gameMode;
9965 nextGameMode = EndOfGame;
9970 nextGameMode = gameMode;
9973 if (appData.noChessProgram) {
9974 gameMode = nextGameMode;
9976 endingGame = 0; /* [HGM] crash */
9981 /* Put first chess program into idle state */
9982 if (first.pr != NoProc &&
9983 (gameMode == MachinePlaysWhite ||
9984 gameMode == MachinePlaysBlack ||
9985 gameMode == TwoMachinesPlay ||
9986 gameMode == IcsPlayingWhite ||
9987 gameMode == IcsPlayingBlack ||
9988 gameMode == BeginningOfGame)) {
9989 SendToProgram("force\n", &first);
9990 if (first.usePing) {
9992 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9993 SendToProgram(buf, &first);
9996 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9997 /* Kill off first chess program */
9998 if (first.isr != NULL)
9999 RemoveInputSource(first.isr);
10002 if (first.pr != NoProc) {
10004 DoSleep( appData.delayBeforeQuit );
10005 SendToProgram("quit\n", &first);
10006 DoSleep( appData.delayAfterQuit );
10007 DestroyChildProcess(first.pr, first.useSigterm);
10011 if (second.reuse) {
10012 /* Put second chess program into idle state */
10013 if (second.pr != NoProc &&
10014 gameMode == TwoMachinesPlay) {
10015 SendToProgram("force\n", &second);
10016 if (second.usePing) {
10018 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10019 SendToProgram(buf, &second);
10022 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10023 /* Kill off second chess program */
10024 if (second.isr != NULL)
10025 RemoveInputSource(second.isr);
10028 if (second.pr != NoProc) {
10029 DoSleep( appData.delayBeforeQuit );
10030 SendToProgram("quit\n", &second);
10031 DoSleep( appData.delayAfterQuit );
10032 DestroyChildProcess(second.pr, second.useSigterm);
10034 second.pr = NoProc;
10037 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10038 char resChar = '=';
10042 if (first.twoMachinesColor[0] == 'w') {
10045 second.matchWins++;
10050 if (first.twoMachinesColor[0] == 'b') {
10053 second.matchWins++;
10056 case GameUnfinished:
10062 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10063 if(appData.tourneyFile[0] && !abortMatch){ // [HGM] we are in a tourney; update tourney file with game result
10064 ReserveGame(nextGame, resChar); // sets nextGame
10065 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10066 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10068 if (nextGame <= appData.matchGames && !abortMatch) {
10069 gameMode = nextGameMode;
10070 matchGame = nextGame; // this will be overruled in tourney mode!
10071 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10072 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10073 endingGame = 0; /* [HGM] crash */
10076 gameMode = nextGameMode;
10077 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10078 first.tidy, second.tidy,
10079 first.matchWins, second.matchWins,
10080 appData.matchGames - (first.matchWins + second.matchWins));
10081 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10082 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10083 first.twoMachinesColor = "black\n";
10084 second.twoMachinesColor = "white\n";
10086 first.twoMachinesColor = "white\n";
10087 second.twoMachinesColor = "black\n";
10091 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10092 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10094 gameMode = nextGameMode;
10096 endingGame = 0; /* [HGM] crash */
10097 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10098 if(matchMode == TRUE) { // match through command line: exit with or without popup
10100 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10102 } else DisplayFatalError(buf, 0, 0);
10103 } else { // match through menu; just stop, with or without popup
10104 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10106 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10107 } else DisplayNote(buf);
10109 if(ranking) free(ranking);
10113 /* Assumes program was just initialized (initString sent).
10114 Leaves program in force mode. */
10116 FeedMovesToProgram(cps, upto)
10117 ChessProgramState *cps;
10122 if (appData.debugMode)
10123 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10124 startedFromSetupPosition ? "position and " : "",
10125 backwardMostMove, upto, cps->which);
10126 if(currentlyInitializedVariant != gameInfo.variant) {
10128 // [HGM] variantswitch: make engine aware of new variant
10129 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10130 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10131 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10132 SendToProgram(buf, cps);
10133 currentlyInitializedVariant = gameInfo.variant;
10135 SendToProgram("force\n", cps);
10136 if (startedFromSetupPosition) {
10137 SendBoard(cps, backwardMostMove);
10138 if (appData.debugMode) {
10139 fprintf(debugFP, "feedMoves\n");
10142 for (i = backwardMostMove; i < upto; i++) {
10143 SendMoveToProgram(i, cps);
10149 ResurrectChessProgram()
10151 /* The chess program may have exited.
10152 If so, restart it and feed it all the moves made so far. */
10153 static int doInit = 0;
10155 if (appData.noChessProgram) return 1;
10157 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10158 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10159 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10160 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10162 if (first.pr != NoProc) return 1;
10163 StartChessProgram(&first);
10165 InitChessProgram(&first, FALSE);
10166 FeedMovesToProgram(&first, currentMove);
10168 if (!first.sendTime) {
10169 /* can't tell gnuchess what its clock should read,
10170 so we bow to its notion. */
10172 timeRemaining[0][currentMove] = whiteTimeRemaining;
10173 timeRemaining[1][currentMove] = blackTimeRemaining;
10176 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10177 appData.icsEngineAnalyze) && first.analysisSupport) {
10178 SendToProgram("analyze\n", &first);
10179 first.analyzing = TRUE;
10185 * Button procedures
10188 Reset(redraw, init)
10193 if (appData.debugMode) {
10194 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10195 redraw, init, gameMode);
10197 CleanupTail(); // [HGM] vari: delete any stored variations
10198 pausing = pauseExamInvalid = FALSE;
10199 startedFromSetupPosition = blackPlaysFirst = FALSE;
10201 whiteFlag = blackFlag = FALSE;
10202 userOfferedDraw = FALSE;
10203 hintRequested = bookRequested = FALSE;
10204 first.maybeThinking = FALSE;
10205 second.maybeThinking = FALSE;
10206 first.bookSuspend = FALSE; // [HGM] book
10207 second.bookSuspend = FALSE;
10208 thinkOutput[0] = NULLCHAR;
10209 lastHint[0] = NULLCHAR;
10210 ClearGameInfo(&gameInfo);
10211 gameInfo.variant = StringToVariant(appData.variant);
10212 ics_user_moved = ics_clock_paused = FALSE;
10213 ics_getting_history = H_FALSE;
10215 white_holding[0] = black_holding[0] = NULLCHAR;
10216 ClearProgramStats();
10217 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10221 flipView = appData.flipView;
10222 ClearPremoveHighlights();
10223 gotPremove = FALSE;
10224 alarmSounded = FALSE;
10226 GameEnds(EndOfFile, NULL, GE_PLAYER);
10227 if(appData.serverMovesName != NULL) {
10228 /* [HGM] prepare to make moves file for broadcasting */
10229 clock_t t = clock();
10230 if(serverMoves != NULL) fclose(serverMoves);
10231 serverMoves = fopen(appData.serverMovesName, "r");
10232 if(serverMoves != NULL) {
10233 fclose(serverMoves);
10234 /* delay 15 sec before overwriting, so all clients can see end */
10235 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10237 serverMoves = fopen(appData.serverMovesName, "w");
10241 gameMode = BeginningOfGame;
10243 if(appData.icsActive) gameInfo.variant = VariantNormal;
10244 currentMove = forwardMostMove = backwardMostMove = 0;
10245 InitPosition(redraw);
10246 for (i = 0; i < MAX_MOVES; i++) {
10247 if (commentList[i] != NULL) {
10248 free(commentList[i]);
10249 commentList[i] = NULL;
10253 timeRemaining[0][0] = whiteTimeRemaining;
10254 timeRemaining[1][0] = blackTimeRemaining;
10256 if (first.pr == NULL) {
10257 StartChessProgram(&first);
10260 InitChessProgram(&first, startedFromSetupPosition);
10263 DisplayMessage("", "");
10264 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10265 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10272 if (!AutoPlayOneMove())
10274 if (matchMode || appData.timeDelay == 0)
10276 if (appData.timeDelay < 0)
10278 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10287 int fromX, fromY, toX, toY;
10289 if (appData.debugMode) {
10290 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10293 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10296 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10297 pvInfoList[currentMove].depth = programStats.depth;
10298 pvInfoList[currentMove].score = programStats.score;
10299 pvInfoList[currentMove].time = 0;
10300 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10303 if (currentMove >= forwardMostMove) {
10304 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10305 gameMode = EditGame;
10308 /* [AS] Clear current move marker at the end of a game */
10309 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10314 toX = moveList[currentMove][2] - AAA;
10315 toY = moveList[currentMove][3] - ONE;
10317 if (moveList[currentMove][1] == '@') {
10318 if (appData.highlightLastMove) {
10319 SetHighlights(-1, -1, toX, toY);
10322 fromX = moveList[currentMove][0] - AAA;
10323 fromY = moveList[currentMove][1] - ONE;
10325 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10327 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10329 if (appData.highlightLastMove) {
10330 SetHighlights(fromX, fromY, toX, toY);
10333 DisplayMove(currentMove);
10334 SendMoveToProgram(currentMove++, &first);
10335 DisplayBothClocks();
10336 DrawPosition(FALSE, boards[currentMove]);
10337 // [HGM] PV info: always display, routine tests if empty
10338 DisplayComment(currentMove - 1, commentList[currentMove]);
10344 LoadGameOneMove(readAhead)
10345 ChessMove readAhead;
10347 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10348 char promoChar = NULLCHAR;
10349 ChessMove moveType;
10350 char move[MSG_SIZ];
10353 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10354 gameMode != AnalyzeMode && gameMode != Training) {
10359 yyboardindex = forwardMostMove;
10360 if (readAhead != EndOfFile) {
10361 moveType = readAhead;
10363 if (gameFileFP == NULL)
10365 moveType = (ChessMove) Myylex();
10369 switch (moveType) {
10371 if (appData.debugMode)
10372 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10375 /* append the comment but don't display it */
10376 AppendComment(currentMove, p, FALSE);
10379 case WhiteCapturesEnPassant:
10380 case BlackCapturesEnPassant:
10381 case WhitePromotion:
10382 case BlackPromotion:
10383 case WhiteNonPromotion:
10384 case BlackNonPromotion:
10386 case WhiteKingSideCastle:
10387 case WhiteQueenSideCastle:
10388 case BlackKingSideCastle:
10389 case BlackQueenSideCastle:
10390 case WhiteKingSideCastleWild:
10391 case WhiteQueenSideCastleWild:
10392 case BlackKingSideCastleWild:
10393 case BlackQueenSideCastleWild:
10395 case WhiteHSideCastleFR:
10396 case WhiteASideCastleFR:
10397 case BlackHSideCastleFR:
10398 case BlackASideCastleFR:
10400 if (appData.debugMode)
10401 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10402 fromX = currentMoveString[0] - AAA;
10403 fromY = currentMoveString[1] - ONE;
10404 toX = currentMoveString[2] - AAA;
10405 toY = currentMoveString[3] - ONE;
10406 promoChar = currentMoveString[4];
10411 if (appData.debugMode)
10412 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10413 fromX = moveType == WhiteDrop ?
10414 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10415 (int) CharToPiece(ToLower(currentMoveString[0]));
10417 toX = currentMoveString[2] - AAA;
10418 toY = currentMoveString[3] - ONE;
10424 case GameUnfinished:
10425 if (appData.debugMode)
10426 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10427 p = strchr(yy_text, '{');
10428 if (p == NULL) p = strchr(yy_text, '(');
10431 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10433 q = strchr(p, *p == '{' ? '}' : ')');
10434 if (q != NULL) *q = NULLCHAR;
10437 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10438 GameEnds(moveType, p, GE_FILE);
10440 if (cmailMsgLoaded) {
10442 flipView = WhiteOnMove(currentMove);
10443 if (moveType == GameUnfinished) flipView = !flipView;
10444 if (appData.debugMode)
10445 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10450 if (appData.debugMode)
10451 fprintf(debugFP, "Parser hit end of file\n");
10452 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10458 if (WhiteOnMove(currentMove)) {
10459 GameEnds(BlackWins, "Black mates", GE_FILE);
10461 GameEnds(WhiteWins, "White mates", GE_FILE);
10465 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10471 case MoveNumberOne:
10472 if (lastLoadGameStart == GNUChessGame) {
10473 /* GNUChessGames have numbers, but they aren't move numbers */
10474 if (appData.debugMode)
10475 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10476 yy_text, (int) moveType);
10477 return LoadGameOneMove(EndOfFile); /* tail recursion */
10479 /* else fall thru */
10484 /* Reached start of next game in file */
10485 if (appData.debugMode)
10486 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10487 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10493 if (WhiteOnMove(currentMove)) {
10494 GameEnds(BlackWins, "Black mates", GE_FILE);
10496 GameEnds(WhiteWins, "White mates", GE_FILE);
10500 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10506 case PositionDiagram: /* should not happen; ignore */
10507 case ElapsedTime: /* ignore */
10508 case NAG: /* ignore */
10509 if (appData.debugMode)
10510 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10511 yy_text, (int) moveType);
10512 return LoadGameOneMove(EndOfFile); /* tail recursion */
10515 if (appData.testLegality) {
10516 if (appData.debugMode)
10517 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10518 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10519 (forwardMostMove / 2) + 1,
10520 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10521 DisplayError(move, 0);
10524 if (appData.debugMode)
10525 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10526 yy_text, currentMoveString);
10527 fromX = currentMoveString[0] - AAA;
10528 fromY = currentMoveString[1] - ONE;
10529 toX = currentMoveString[2] - AAA;
10530 toY = currentMoveString[3] - ONE;
10531 promoChar = currentMoveString[4];
10535 case AmbiguousMove:
10536 if (appData.debugMode)
10537 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10538 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10539 (forwardMostMove / 2) + 1,
10540 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10541 DisplayError(move, 0);
10546 case ImpossibleMove:
10547 if (appData.debugMode)
10548 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10549 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10550 (forwardMostMove / 2) + 1,
10551 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10552 DisplayError(move, 0);
10558 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10559 DrawPosition(FALSE, boards[currentMove]);
10560 DisplayBothClocks();
10561 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10562 DisplayComment(currentMove - 1, commentList[currentMove]);
10564 (void) StopLoadGameTimer();
10566 cmailOldMove = forwardMostMove;
10569 /* currentMoveString is set as a side-effect of yylex */
10571 thinkOutput[0] = NULLCHAR;
10572 MakeMove(fromX, fromY, toX, toY, promoChar);
10573 currentMove = forwardMostMove;
10578 /* Load the nth game from the given file */
10580 LoadGameFromFile(filename, n, title, useList)
10584 /*Boolean*/ int useList;
10589 if (strcmp(filename, "-") == 0) {
10593 f = fopen(filename, "rb");
10595 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10596 DisplayError(buf, errno);
10600 if (fseek(f, 0, 0) == -1) {
10601 /* f is not seekable; probably a pipe */
10604 if (useList && n == 0) {
10605 int error = GameListBuild(f);
10607 DisplayError(_("Cannot build game list"), error);
10608 } else if (!ListEmpty(&gameList) &&
10609 ((ListGame *) gameList.tailPred)->number > 1) {
10610 GameListPopUp(f, title);
10617 return LoadGame(f, n, title, FALSE);
10622 MakeRegisteredMove()
10624 int fromX, fromY, toX, toY;
10626 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10627 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10630 if (appData.debugMode)
10631 fprintf(debugFP, "Restoring %s for game %d\n",
10632 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10634 thinkOutput[0] = NULLCHAR;
10635 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10636 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10637 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10638 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10639 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10640 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10641 MakeMove(fromX, fromY, toX, toY, promoChar);
10642 ShowMove(fromX, fromY, toX, toY);
10644 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10651 if (WhiteOnMove(currentMove)) {
10652 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10654 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10659 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10666 if (WhiteOnMove(currentMove)) {
10667 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10669 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10674 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10685 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10687 CmailLoadGame(f, gameNumber, title, useList)
10695 if (gameNumber > nCmailGames) {
10696 DisplayError(_("No more games in this message"), 0);
10699 if (f == lastLoadGameFP) {
10700 int offset = gameNumber - lastLoadGameNumber;
10702 cmailMsg[0] = NULLCHAR;
10703 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10704 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10705 nCmailMovesRegistered--;
10707 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10708 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10709 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10712 if (! RegisterMove()) return FALSE;
10716 retVal = LoadGame(f, gameNumber, title, useList);
10718 /* Make move registered during previous look at this game, if any */
10719 MakeRegisteredMove();
10721 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10722 commentList[currentMove]
10723 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10724 DisplayComment(currentMove - 1, commentList[currentMove]);
10730 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10735 int gameNumber = lastLoadGameNumber + offset;
10736 if (lastLoadGameFP == NULL) {
10737 DisplayError(_("No game has been loaded yet"), 0);
10740 if (gameNumber <= 0) {
10741 DisplayError(_("Can't back up any further"), 0);
10744 if (cmailMsgLoaded) {
10745 return CmailLoadGame(lastLoadGameFP, gameNumber,
10746 lastLoadGameTitle, lastLoadGameUseList);
10748 return LoadGame(lastLoadGameFP, gameNumber,
10749 lastLoadGameTitle, lastLoadGameUseList);
10755 /* Load the nth game from open file f */
10757 LoadGame(f, gameNumber, title, useList)
10765 int gn = gameNumber;
10766 ListGame *lg = NULL;
10767 int numPGNTags = 0;
10769 GameMode oldGameMode;
10770 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10772 if (appData.debugMode)
10773 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10775 if (gameMode == Training )
10776 SetTrainingModeOff();
10778 oldGameMode = gameMode;
10779 if (gameMode != BeginningOfGame) {
10780 Reset(FALSE, TRUE);
10784 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10785 fclose(lastLoadGameFP);
10789 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10792 fseek(f, lg->offset, 0);
10793 GameListHighlight(gameNumber);
10797 DisplayError(_("Game number out of range"), 0);
10802 if (fseek(f, 0, 0) == -1) {
10803 if (f == lastLoadGameFP ?
10804 gameNumber == lastLoadGameNumber + 1 :
10808 DisplayError(_("Can't seek on game file"), 0);
10813 lastLoadGameFP = f;
10814 lastLoadGameNumber = gameNumber;
10815 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10816 lastLoadGameUseList = useList;
10820 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10821 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10822 lg->gameInfo.black);
10824 } else if (*title != NULLCHAR) {
10825 if (gameNumber > 1) {
10826 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10829 DisplayTitle(title);
10833 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10834 gameMode = PlayFromGameFile;
10838 currentMove = forwardMostMove = backwardMostMove = 0;
10839 CopyBoard(boards[0], initialPosition);
10843 * Skip the first gn-1 games in the file.
10844 * Also skip over anything that precedes an identifiable
10845 * start of game marker, to avoid being confused by
10846 * garbage at the start of the file. Currently
10847 * recognized start of game markers are the move number "1",
10848 * the pattern "gnuchess .* game", the pattern
10849 * "^[#;%] [^ ]* game file", and a PGN tag block.
10850 * A game that starts with one of the latter two patterns
10851 * will also have a move number 1, possibly
10852 * following a position diagram.
10853 * 5-4-02: Let's try being more lenient and allowing a game to
10854 * start with an unnumbered move. Does that break anything?
10856 cm = lastLoadGameStart = EndOfFile;
10858 yyboardindex = forwardMostMove;
10859 cm = (ChessMove) Myylex();
10862 if (cmailMsgLoaded) {
10863 nCmailGames = CMAIL_MAX_GAMES - gn;
10866 DisplayError(_("Game not found in file"), 0);
10873 lastLoadGameStart = cm;
10876 case MoveNumberOne:
10877 switch (lastLoadGameStart) {
10882 case MoveNumberOne:
10884 gn--; /* count this game */
10885 lastLoadGameStart = cm;
10894 switch (lastLoadGameStart) {
10897 case MoveNumberOne:
10899 gn--; /* count this game */
10900 lastLoadGameStart = cm;
10903 lastLoadGameStart = cm; /* game counted already */
10911 yyboardindex = forwardMostMove;
10912 cm = (ChessMove) Myylex();
10913 } while (cm == PGNTag || cm == Comment);
10920 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10921 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10922 != CMAIL_OLD_RESULT) {
10924 cmailResult[ CMAIL_MAX_GAMES
10925 - gn - 1] = CMAIL_OLD_RESULT;
10931 /* Only a NormalMove can be at the start of a game
10932 * without a position diagram. */
10933 if (lastLoadGameStart == EndOfFile ) {
10935 lastLoadGameStart = MoveNumberOne;
10944 if (appData.debugMode)
10945 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10947 if (cm == XBoardGame) {
10948 /* Skip any header junk before position diagram and/or move 1 */
10950 yyboardindex = forwardMostMove;
10951 cm = (ChessMove) Myylex();
10953 if (cm == EndOfFile ||
10954 cm == GNUChessGame || cm == XBoardGame) {
10955 /* Empty game; pretend end-of-file and handle later */
10960 if (cm == MoveNumberOne || cm == PositionDiagram ||
10961 cm == PGNTag || cm == Comment)
10964 } else if (cm == GNUChessGame) {
10965 if (gameInfo.event != NULL) {
10966 free(gameInfo.event);
10968 gameInfo.event = StrSave(yy_text);
10971 startedFromSetupPosition = FALSE;
10972 while (cm == PGNTag) {
10973 if (appData.debugMode)
10974 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10975 err = ParsePGNTag(yy_text, &gameInfo);
10976 if (!err) numPGNTags++;
10978 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10979 if(gameInfo.variant != oldVariant) {
10980 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10981 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10982 InitPosition(TRUE);
10983 oldVariant = gameInfo.variant;
10984 if (appData.debugMode)
10985 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10989 if (gameInfo.fen != NULL) {
10990 Board initial_position;
10991 startedFromSetupPosition = TRUE;
10992 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10994 DisplayError(_("Bad FEN position in file"), 0);
10997 CopyBoard(boards[0], initial_position);
10998 if (blackPlaysFirst) {
10999 currentMove = forwardMostMove = backwardMostMove = 1;
11000 CopyBoard(boards[1], initial_position);
11001 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11002 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11003 timeRemaining[0][1] = whiteTimeRemaining;
11004 timeRemaining[1][1] = blackTimeRemaining;
11005 if (commentList[0] != NULL) {
11006 commentList[1] = commentList[0];
11007 commentList[0] = NULL;
11010 currentMove = forwardMostMove = backwardMostMove = 0;
11012 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11014 initialRulePlies = FENrulePlies;
11015 for( i=0; i< nrCastlingRights; i++ )
11016 initialRights[i] = initial_position[CASTLING][i];
11018 yyboardindex = forwardMostMove;
11019 free(gameInfo.fen);
11020 gameInfo.fen = NULL;
11023 yyboardindex = forwardMostMove;
11024 cm = (ChessMove) Myylex();
11026 /* Handle comments interspersed among the tags */
11027 while (cm == Comment) {
11029 if (appData.debugMode)
11030 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11032 AppendComment(currentMove, p, FALSE);
11033 yyboardindex = forwardMostMove;
11034 cm = (ChessMove) Myylex();
11038 /* don't rely on existence of Event tag since if game was
11039 * pasted from clipboard the Event tag may not exist
11041 if (numPGNTags > 0){
11043 if (gameInfo.variant == VariantNormal) {
11044 VariantClass v = StringToVariant(gameInfo.event);
11045 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11046 if(v < VariantShogi) gameInfo.variant = v;
11049 if( appData.autoDisplayTags ) {
11050 tags = PGNTags(&gameInfo);
11051 TagsPopUp(tags, CmailMsg());
11056 /* Make something up, but don't display it now */
11061 if (cm == PositionDiagram) {
11064 Board initial_position;
11066 if (appData.debugMode)
11067 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11069 if (!startedFromSetupPosition) {
11071 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11072 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11083 initial_position[i][j++] = CharToPiece(*p);
11086 while (*p == ' ' || *p == '\t' ||
11087 *p == '\n' || *p == '\r') p++;
11089 if (strncmp(p, "black", strlen("black"))==0)
11090 blackPlaysFirst = TRUE;
11092 blackPlaysFirst = FALSE;
11093 startedFromSetupPosition = TRUE;
11095 CopyBoard(boards[0], initial_position);
11096 if (blackPlaysFirst) {
11097 currentMove = forwardMostMove = backwardMostMove = 1;
11098 CopyBoard(boards[1], initial_position);
11099 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11100 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11101 timeRemaining[0][1] = whiteTimeRemaining;
11102 timeRemaining[1][1] = blackTimeRemaining;
11103 if (commentList[0] != NULL) {
11104 commentList[1] = commentList[0];
11105 commentList[0] = NULL;
11108 currentMove = forwardMostMove = backwardMostMove = 0;
11111 yyboardindex = forwardMostMove;
11112 cm = (ChessMove) Myylex();
11115 if (first.pr == NoProc) {
11116 StartChessProgram(&first);
11118 InitChessProgram(&first, FALSE);
11119 SendToProgram("force\n", &first);
11120 if (startedFromSetupPosition) {
11121 SendBoard(&first, forwardMostMove);
11122 if (appData.debugMode) {
11123 fprintf(debugFP, "Load Game\n");
11125 DisplayBothClocks();
11128 /* [HGM] server: flag to write setup moves in broadcast file as one */
11129 loadFlag = appData.suppressLoadMoves;
11131 while (cm == Comment) {
11133 if (appData.debugMode)
11134 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11136 AppendComment(currentMove, p, FALSE);
11137 yyboardindex = forwardMostMove;
11138 cm = (ChessMove) Myylex();
11141 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11142 cm == WhiteWins || cm == BlackWins ||
11143 cm == GameIsDrawn || cm == GameUnfinished) {
11144 DisplayMessage("", _("No moves in game"));
11145 if (cmailMsgLoaded) {
11146 if (appData.debugMode)
11147 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11151 DrawPosition(FALSE, boards[currentMove]);
11152 DisplayBothClocks();
11153 gameMode = EditGame;
11160 // [HGM] PV info: routine tests if comment empty
11161 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11162 DisplayComment(currentMove - 1, commentList[currentMove]);
11164 if (!matchMode && appData.timeDelay != 0)
11165 DrawPosition(FALSE, boards[currentMove]);
11167 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11168 programStats.ok_to_send = 1;
11171 /* if the first token after the PGN tags is a move
11172 * and not move number 1, retrieve it from the parser
11174 if (cm != MoveNumberOne)
11175 LoadGameOneMove(cm);
11177 /* load the remaining moves from the file */
11178 while (LoadGameOneMove(EndOfFile)) {
11179 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11180 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11183 /* rewind to the start of the game */
11184 currentMove = backwardMostMove;
11186 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11188 if (oldGameMode == AnalyzeFile ||
11189 oldGameMode == AnalyzeMode) {
11190 AnalyzeFileEvent();
11193 if (matchMode || appData.timeDelay == 0) {
11195 gameMode = EditGame;
11197 } else if (appData.timeDelay > 0) {
11198 AutoPlayGameLoop();
11201 if (appData.debugMode)
11202 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11204 loadFlag = 0; /* [HGM] true game starts */
11208 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11210 ReloadPosition(offset)
11213 int positionNumber = lastLoadPositionNumber + offset;
11214 if (lastLoadPositionFP == NULL) {
11215 DisplayError(_("No position has been loaded yet"), 0);
11218 if (positionNumber <= 0) {
11219 DisplayError(_("Can't back up any further"), 0);
11222 return LoadPosition(lastLoadPositionFP, positionNumber,
11223 lastLoadPositionTitle);
11226 /* Load the nth position from the given file */
11228 LoadPositionFromFile(filename, n, title)
11236 if (strcmp(filename, "-") == 0) {
11237 return LoadPosition(stdin, n, "stdin");
11239 f = fopen(filename, "rb");
11241 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11242 DisplayError(buf, errno);
11245 return LoadPosition(f, n, title);
11250 /* Load the nth position from the given open file, and close it */
11252 LoadPosition(f, positionNumber, title)
11254 int positionNumber;
11257 char *p, line[MSG_SIZ];
11258 Board initial_position;
11259 int i, j, fenMode, pn;
11261 if (gameMode == Training )
11262 SetTrainingModeOff();
11264 if (gameMode != BeginningOfGame) {
11265 Reset(FALSE, TRUE);
11267 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11268 fclose(lastLoadPositionFP);
11270 if (positionNumber == 0) positionNumber = 1;
11271 lastLoadPositionFP = f;
11272 lastLoadPositionNumber = positionNumber;
11273 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11274 if (first.pr == NoProc) {
11275 StartChessProgram(&first);
11276 InitChessProgram(&first, FALSE);
11278 pn = positionNumber;
11279 if (positionNumber < 0) {
11280 /* Negative position number means to seek to that byte offset */
11281 if (fseek(f, -positionNumber, 0) == -1) {
11282 DisplayError(_("Can't seek on position file"), 0);
11287 if (fseek(f, 0, 0) == -1) {
11288 if (f == lastLoadPositionFP ?
11289 positionNumber == lastLoadPositionNumber + 1 :
11290 positionNumber == 1) {
11293 DisplayError(_("Can't seek on position file"), 0);
11298 /* See if this file is FEN or old-style xboard */
11299 if (fgets(line, MSG_SIZ, f) == NULL) {
11300 DisplayError(_("Position not found in file"), 0);
11303 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11304 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11307 if (fenMode || line[0] == '#') pn--;
11309 /* skip positions before number pn */
11310 if (fgets(line, MSG_SIZ, f) == NULL) {
11312 DisplayError(_("Position not found in file"), 0);
11315 if (fenMode || line[0] == '#') pn--;
11320 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11321 DisplayError(_("Bad FEN position in file"), 0);
11325 (void) fgets(line, MSG_SIZ, f);
11326 (void) fgets(line, MSG_SIZ, f);
11328 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11329 (void) fgets(line, MSG_SIZ, f);
11330 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11333 initial_position[i][j++] = CharToPiece(*p);
11337 blackPlaysFirst = FALSE;
11339 (void) fgets(line, MSG_SIZ, f);
11340 if (strncmp(line, "black", strlen("black"))==0)
11341 blackPlaysFirst = TRUE;
11344 startedFromSetupPosition = TRUE;
11346 SendToProgram("force\n", &first);
11347 CopyBoard(boards[0], initial_position);
11348 if (blackPlaysFirst) {
11349 currentMove = forwardMostMove = backwardMostMove = 1;
11350 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11351 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11352 CopyBoard(boards[1], initial_position);
11353 DisplayMessage("", _("Black to play"));
11355 currentMove = forwardMostMove = backwardMostMove = 0;
11356 DisplayMessage("", _("White to play"));
11358 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11359 SendBoard(&first, forwardMostMove);
11360 if (appData.debugMode) {
11362 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11363 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11364 fprintf(debugFP, "Load Position\n");
11367 if (positionNumber > 1) {
11368 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11369 DisplayTitle(line);
11371 DisplayTitle(title);
11373 gameMode = EditGame;
11376 timeRemaining[0][1] = whiteTimeRemaining;
11377 timeRemaining[1][1] = blackTimeRemaining;
11378 DrawPosition(FALSE, boards[currentMove]);
11385 CopyPlayerNameIntoFileName(dest, src)
11388 while (*src != NULLCHAR && *src != ',') {
11393 *(*dest)++ = *src++;
11398 char *DefaultFileName(ext)
11401 static char def[MSG_SIZ];
11404 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11406 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11408 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11410 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11417 /* Save the current game to the given file */
11419 SaveGameToFile(filename, append)
11427 if (strcmp(filename, "-") == 0) {
11428 return SaveGame(stdout, 0, NULL);
11430 f = fopen(filename, append ? "a" : "w");
11432 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11433 DisplayError(buf, errno);
11436 safeStrCpy(buf, lastMsg, MSG_SIZ);
11437 DisplayMessage(_("Waiting for access to save file"), "");
11438 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11439 DisplayMessage(_("Saving game"), "");
11440 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11441 result = SaveGame(f, 0, NULL);
11442 DisplayMessage(buf, "");
11452 static char buf[MSG_SIZ];
11455 p = strchr(str, ' ');
11456 if (p == NULL) return str;
11457 strncpy(buf, str, p - str);
11458 buf[p - str] = NULLCHAR;
11462 #define PGN_MAX_LINE 75
11464 #define PGN_SIDE_WHITE 0
11465 #define PGN_SIDE_BLACK 1
11468 static int FindFirstMoveOutOfBook( int side )
11472 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11473 int index = backwardMostMove;
11474 int has_book_hit = 0;
11476 if( (index % 2) != side ) {
11480 while( index < forwardMostMove ) {
11481 /* Check to see if engine is in book */
11482 int depth = pvInfoList[index].depth;
11483 int score = pvInfoList[index].score;
11489 else if( score == 0 && depth == 63 ) {
11490 in_book = 1; /* Zappa */
11492 else if( score == 2 && depth == 99 ) {
11493 in_book = 1; /* Abrok */
11496 has_book_hit += in_book;
11512 void GetOutOfBookInfo( char * buf )
11516 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11518 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11519 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11523 if( oob[0] >= 0 || oob[1] >= 0 ) {
11524 for( i=0; i<2; i++ ) {
11528 if( i > 0 && oob[0] >= 0 ) {
11529 strcat( buf, " " );
11532 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11533 sprintf( buf+strlen(buf), "%s%.2f",
11534 pvInfoList[idx].score >= 0 ? "+" : "",
11535 pvInfoList[idx].score / 100.0 );
11541 /* Save game in PGN style and close the file */
11546 int i, offset, linelen, newblock;
11550 int movelen, numlen, blank;
11551 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11553 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11555 tm = time((time_t *) NULL);
11557 PrintPGNTags(f, &gameInfo);
11559 if (backwardMostMove > 0 || startedFromSetupPosition) {
11560 char *fen = PositionToFEN(backwardMostMove, NULL);
11561 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11562 fprintf(f, "\n{--------------\n");
11563 PrintPosition(f, backwardMostMove);
11564 fprintf(f, "--------------}\n");
11568 /* [AS] Out of book annotation */
11569 if( appData.saveOutOfBookInfo ) {
11572 GetOutOfBookInfo( buf );
11574 if( buf[0] != '\0' ) {
11575 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11582 i = backwardMostMove;
11586 while (i < forwardMostMove) {
11587 /* Print comments preceding this move */
11588 if (commentList[i] != NULL) {
11589 if (linelen > 0) fprintf(f, "\n");
11590 fprintf(f, "%s", commentList[i]);
11595 /* Format move number */
11597 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11600 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11602 numtext[0] = NULLCHAR;
11604 numlen = strlen(numtext);
11607 /* Print move number */
11608 blank = linelen > 0 && numlen > 0;
11609 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11618 fprintf(f, "%s", numtext);
11622 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11623 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11626 blank = linelen > 0 && movelen > 0;
11627 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11636 fprintf(f, "%s", move_buffer);
11637 linelen += movelen;
11639 /* [AS] Add PV info if present */
11640 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11641 /* [HGM] add time */
11642 char buf[MSG_SIZ]; int seconds;
11644 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11650 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11653 seconds = (seconds + 4)/10; // round to full seconds
11655 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11657 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11660 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11661 pvInfoList[i].score >= 0 ? "+" : "",
11662 pvInfoList[i].score / 100.0,
11663 pvInfoList[i].depth,
11666 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11668 /* Print score/depth */
11669 blank = linelen > 0 && movelen > 0;
11670 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11679 fprintf(f, "%s", move_buffer);
11680 linelen += movelen;
11686 /* Start a new line */
11687 if (linelen > 0) fprintf(f, "\n");
11689 /* Print comments after last move */
11690 if (commentList[i] != NULL) {
11691 fprintf(f, "%s\n", commentList[i]);
11695 if (gameInfo.resultDetails != NULL &&
11696 gameInfo.resultDetails[0] != NULLCHAR) {
11697 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11698 PGNResult(gameInfo.result));
11700 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11704 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11708 /* Save game in old style and close the file */
11710 SaveGameOldStyle(f)
11716 tm = time((time_t *) NULL);
11718 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11721 if (backwardMostMove > 0 || startedFromSetupPosition) {
11722 fprintf(f, "\n[--------------\n");
11723 PrintPosition(f, backwardMostMove);
11724 fprintf(f, "--------------]\n");
11729 i = backwardMostMove;
11730 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11732 while (i < forwardMostMove) {
11733 if (commentList[i] != NULL) {
11734 fprintf(f, "[%s]\n", commentList[i]);
11737 if ((i % 2) == 1) {
11738 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11741 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11743 if (commentList[i] != NULL) {
11747 if (i >= forwardMostMove) {
11751 fprintf(f, "%s\n", parseList[i]);
11756 if (commentList[i] != NULL) {
11757 fprintf(f, "[%s]\n", commentList[i]);
11760 /* This isn't really the old style, but it's close enough */
11761 if (gameInfo.resultDetails != NULL &&
11762 gameInfo.resultDetails[0] != NULLCHAR) {
11763 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11764 gameInfo.resultDetails);
11766 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11773 /* Save the current game to open file f and close the file */
11775 SaveGame(f, dummy, dummy2)
11780 if (gameMode == EditPosition) EditPositionDone(TRUE);
11781 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11782 if (appData.oldSaveStyle)
11783 return SaveGameOldStyle(f);
11785 return SaveGamePGN(f);
11788 /* Save the current position to the given file */
11790 SavePositionToFile(filename)
11796 if (strcmp(filename, "-") == 0) {
11797 return SavePosition(stdout, 0, NULL);
11799 f = fopen(filename, "a");
11801 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11802 DisplayError(buf, errno);
11805 safeStrCpy(buf, lastMsg, MSG_SIZ);
11806 DisplayMessage(_("Waiting for access to save file"), "");
11807 flock(fileno(f), LOCK_EX); // [HGM] lock
11808 DisplayMessage(_("Saving position"), "");
11809 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
11810 SavePosition(f, 0, NULL);
11811 DisplayMessage(buf, "");
11817 /* Save the current position to the given open file and close the file */
11819 SavePosition(f, dummy, dummy2)
11827 if (gameMode == EditPosition) EditPositionDone(TRUE);
11828 if (appData.oldSaveStyle) {
11829 tm = time((time_t *) NULL);
11831 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11833 fprintf(f, "[--------------\n");
11834 PrintPosition(f, currentMove);
11835 fprintf(f, "--------------]\n");
11837 fen = PositionToFEN(currentMove, NULL);
11838 fprintf(f, "%s\n", fen);
11846 ReloadCmailMsgEvent(unregister)
11850 static char *inFilename = NULL;
11851 static char *outFilename;
11853 struct stat inbuf, outbuf;
11856 /* Any registered moves are unregistered if unregister is set, */
11857 /* i.e. invoked by the signal handler */
11859 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11860 cmailMoveRegistered[i] = FALSE;
11861 if (cmailCommentList[i] != NULL) {
11862 free(cmailCommentList[i]);
11863 cmailCommentList[i] = NULL;
11866 nCmailMovesRegistered = 0;
11869 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11870 cmailResult[i] = CMAIL_NOT_RESULT;
11874 if (inFilename == NULL) {
11875 /* Because the filenames are static they only get malloced once */
11876 /* and they never get freed */
11877 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11878 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11880 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11881 sprintf(outFilename, "%s.out", appData.cmailGameName);
11884 status = stat(outFilename, &outbuf);
11886 cmailMailedMove = FALSE;
11888 status = stat(inFilename, &inbuf);
11889 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11892 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11893 counts the games, notes how each one terminated, etc.
11895 It would be nice to remove this kludge and instead gather all
11896 the information while building the game list. (And to keep it
11897 in the game list nodes instead of having a bunch of fixed-size
11898 parallel arrays.) Note this will require getting each game's
11899 termination from the PGN tags, as the game list builder does
11900 not process the game moves. --mann
11902 cmailMsgLoaded = TRUE;
11903 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11905 /* Load first game in the file or popup game menu */
11906 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11908 #endif /* !WIN32 */
11916 char string[MSG_SIZ];
11918 if ( cmailMailedMove
11919 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11920 return TRUE; /* Allow free viewing */
11923 /* Unregister move to ensure that we don't leave RegisterMove */
11924 /* with the move registered when the conditions for registering no */
11926 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11927 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11928 nCmailMovesRegistered --;
11930 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11932 free(cmailCommentList[lastLoadGameNumber - 1]);
11933 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11937 if (cmailOldMove == -1) {
11938 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11942 if (currentMove > cmailOldMove + 1) {
11943 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11947 if (currentMove < cmailOldMove) {
11948 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11952 if (forwardMostMove > currentMove) {
11953 /* Silently truncate extra moves */
11957 if ( (currentMove == cmailOldMove + 1)
11958 || ( (currentMove == cmailOldMove)
11959 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11960 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11961 if (gameInfo.result != GameUnfinished) {
11962 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11965 if (commentList[currentMove] != NULL) {
11966 cmailCommentList[lastLoadGameNumber - 1]
11967 = StrSave(commentList[currentMove]);
11969 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11971 if (appData.debugMode)
11972 fprintf(debugFP, "Saving %s for game %d\n",
11973 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11975 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11977 f = fopen(string, "w");
11978 if (appData.oldSaveStyle) {
11979 SaveGameOldStyle(f); /* also closes the file */
11981 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11982 f = fopen(string, "w");
11983 SavePosition(f, 0, NULL); /* also closes the file */
11985 fprintf(f, "{--------------\n");
11986 PrintPosition(f, currentMove);
11987 fprintf(f, "--------------}\n\n");
11989 SaveGame(f, 0, NULL); /* also closes the file*/
11992 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11993 nCmailMovesRegistered ++;
11994 } else if (nCmailGames == 1) {
11995 DisplayError(_("You have not made a move yet"), 0);
12006 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12007 FILE *commandOutput;
12008 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12009 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12015 if (! cmailMsgLoaded) {
12016 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12020 if (nCmailGames == nCmailResults) {
12021 DisplayError(_("No unfinished games"), 0);
12025 #if CMAIL_PROHIBIT_REMAIL
12026 if (cmailMailedMove) {
12027 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);
12028 DisplayError(msg, 0);
12033 if (! (cmailMailedMove || RegisterMove())) return;
12035 if ( cmailMailedMove
12036 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12037 snprintf(string, MSG_SIZ, partCommandString,
12038 appData.debugMode ? " -v" : "", appData.cmailGameName);
12039 commandOutput = popen(string, "r");
12041 if (commandOutput == NULL) {
12042 DisplayError(_("Failed to invoke cmail"), 0);
12044 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12045 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12047 if (nBuffers > 1) {
12048 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12049 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12050 nBytes = MSG_SIZ - 1;
12052 (void) memcpy(msg, buffer, nBytes);
12054 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12056 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12057 cmailMailedMove = TRUE; /* Prevent >1 moves */
12060 for (i = 0; i < nCmailGames; i ++) {
12061 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12066 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12068 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12070 appData.cmailGameName,
12072 LoadGameFromFile(buffer, 1, buffer, FALSE);
12073 cmailMsgLoaded = FALSE;
12077 DisplayInformation(msg);
12078 pclose(commandOutput);
12081 if ((*cmailMsg) != '\0') {
12082 DisplayInformation(cmailMsg);
12087 #endif /* !WIN32 */
12096 int prependComma = 0;
12098 char string[MSG_SIZ]; /* Space for game-list */
12101 if (!cmailMsgLoaded) return "";
12103 if (cmailMailedMove) {
12104 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12106 /* Create a list of games left */
12107 snprintf(string, MSG_SIZ, "[");
12108 for (i = 0; i < nCmailGames; i ++) {
12109 if (! ( cmailMoveRegistered[i]
12110 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12111 if (prependComma) {
12112 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12114 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12118 strcat(string, number);
12121 strcat(string, "]");
12123 if (nCmailMovesRegistered + nCmailResults == 0) {
12124 switch (nCmailGames) {
12126 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12130 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12134 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12139 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12141 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12146 if (nCmailResults == nCmailGames) {
12147 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12149 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12154 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12166 if (gameMode == Training)
12167 SetTrainingModeOff();
12170 cmailMsgLoaded = FALSE;
12171 if (appData.icsActive) {
12172 SendToICS(ics_prefix);
12173 SendToICS("refresh\n");
12183 /* Give up on clean exit */
12187 /* Keep trying for clean exit */
12191 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12193 if (telnetISR != NULL) {
12194 RemoveInputSource(telnetISR);
12196 if (icsPR != NoProc) {
12197 DestroyChildProcess(icsPR, TRUE);
12200 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12201 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12203 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12204 /* make sure this other one finishes before killing it! */
12205 if(endingGame) { int count = 0;
12206 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12207 while(endingGame && count++ < 10) DoSleep(1);
12208 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12211 /* Kill off chess programs */
12212 if (first.pr != NoProc) {
12215 DoSleep( appData.delayBeforeQuit );
12216 SendToProgram("quit\n", &first);
12217 DoSleep( appData.delayAfterQuit );
12218 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12220 if (second.pr != NoProc) {
12221 DoSleep( appData.delayBeforeQuit );
12222 SendToProgram("quit\n", &second);
12223 DoSleep( appData.delayAfterQuit );
12224 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12226 if (first.isr != NULL) {
12227 RemoveInputSource(first.isr);
12229 if (second.isr != NULL) {
12230 RemoveInputSource(second.isr);
12233 ShutDownFrontEnd();
12240 if (appData.debugMode)
12241 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12245 if (gameMode == MachinePlaysWhite ||
12246 gameMode == MachinePlaysBlack) {
12249 DisplayBothClocks();
12251 if (gameMode == PlayFromGameFile) {
12252 if (appData.timeDelay >= 0)
12253 AutoPlayGameLoop();
12254 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12255 Reset(FALSE, TRUE);
12256 SendToICS(ics_prefix);
12257 SendToICS("refresh\n");
12258 } else if (currentMove < forwardMostMove) {
12259 ForwardInner(forwardMostMove);
12261 pauseExamInvalid = FALSE;
12263 switch (gameMode) {
12267 pauseExamForwardMostMove = forwardMostMove;
12268 pauseExamInvalid = FALSE;
12271 case IcsPlayingWhite:
12272 case IcsPlayingBlack:
12276 case PlayFromGameFile:
12277 (void) StopLoadGameTimer();
12281 case BeginningOfGame:
12282 if (appData.icsActive) return;
12283 /* else fall through */
12284 case MachinePlaysWhite:
12285 case MachinePlaysBlack:
12286 case TwoMachinesPlay:
12287 if (forwardMostMove == 0)
12288 return; /* don't pause if no one has moved */
12289 if ((gameMode == MachinePlaysWhite &&
12290 !WhiteOnMove(forwardMostMove)) ||
12291 (gameMode == MachinePlaysBlack &&
12292 WhiteOnMove(forwardMostMove))) {
12305 char title[MSG_SIZ];
12307 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12308 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12310 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12311 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12312 parseList[currentMove - 1]);
12315 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12322 char *tags = PGNTags(&gameInfo);
12324 EditTagsPopUp(tags, NULL);
12331 if (appData.noChessProgram || gameMode == AnalyzeMode)
12334 if (gameMode != AnalyzeFile) {
12335 if (!appData.icsEngineAnalyze) {
12337 if (gameMode != EditGame) return;
12339 ResurrectChessProgram();
12340 SendToProgram("analyze\n", &first);
12341 first.analyzing = TRUE;
12342 /*first.maybeThinking = TRUE;*/
12343 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12344 EngineOutputPopUp();
12346 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12351 StartAnalysisClock();
12352 GetTimeMark(&lastNodeCountTime);
12359 if (appData.noChessProgram || gameMode == AnalyzeFile)
12362 if (gameMode != AnalyzeMode) {
12364 if (gameMode != EditGame) return;
12365 ResurrectChessProgram();
12366 SendToProgram("analyze\n", &first);
12367 first.analyzing = TRUE;
12368 /*first.maybeThinking = TRUE;*/
12369 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12370 EngineOutputPopUp();
12372 gameMode = AnalyzeFile;
12377 StartAnalysisClock();
12378 GetTimeMark(&lastNodeCountTime);
12383 MachineWhiteEvent()
12386 char *bookHit = NULL;
12388 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12392 if (gameMode == PlayFromGameFile ||
12393 gameMode == TwoMachinesPlay ||
12394 gameMode == Training ||
12395 gameMode == AnalyzeMode ||
12396 gameMode == EndOfGame)
12399 if (gameMode == EditPosition)
12400 EditPositionDone(TRUE);
12402 if (!WhiteOnMove(currentMove)) {
12403 DisplayError(_("It is not White's turn"), 0);
12407 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12410 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12411 gameMode == AnalyzeFile)
12414 ResurrectChessProgram(); /* in case it isn't running */
12415 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12416 gameMode = MachinePlaysWhite;
12419 gameMode = MachinePlaysWhite;
12423 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12425 if (first.sendName) {
12426 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12427 SendToProgram(buf, &first);
12429 if (first.sendTime) {
12430 if (first.useColors) {
12431 SendToProgram("black\n", &first); /*gnu kludge*/
12433 SendTimeRemaining(&first, TRUE);
12435 if (first.useColors) {
12436 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12438 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12439 SetMachineThinkingEnables();
12440 first.maybeThinking = TRUE;
12444 if (appData.autoFlipView && !flipView) {
12445 flipView = !flipView;
12446 DrawPosition(FALSE, NULL);
12447 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12450 if(bookHit) { // [HGM] book: simulate book reply
12451 static char bookMove[MSG_SIZ]; // a bit generous?
12453 programStats.nodes = programStats.depth = programStats.time =
12454 programStats.score = programStats.got_only_move = 0;
12455 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12457 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12458 strcat(bookMove, bookHit);
12459 HandleMachineMove(bookMove, &first);
12464 MachineBlackEvent()
12467 char *bookHit = NULL;
12469 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12473 if (gameMode == PlayFromGameFile ||
12474 gameMode == TwoMachinesPlay ||
12475 gameMode == Training ||
12476 gameMode == AnalyzeMode ||
12477 gameMode == EndOfGame)
12480 if (gameMode == EditPosition)
12481 EditPositionDone(TRUE);
12483 if (WhiteOnMove(currentMove)) {
12484 DisplayError(_("It is not Black's turn"), 0);
12488 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12491 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12492 gameMode == AnalyzeFile)
12495 ResurrectChessProgram(); /* in case it isn't running */
12496 gameMode = MachinePlaysBlack;
12500 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12502 if (first.sendName) {
12503 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12504 SendToProgram(buf, &first);
12506 if (first.sendTime) {
12507 if (first.useColors) {
12508 SendToProgram("white\n", &first); /*gnu kludge*/
12510 SendTimeRemaining(&first, FALSE);
12512 if (first.useColors) {
12513 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12515 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12516 SetMachineThinkingEnables();
12517 first.maybeThinking = TRUE;
12520 if (appData.autoFlipView && flipView) {
12521 flipView = !flipView;
12522 DrawPosition(FALSE, NULL);
12523 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12525 if(bookHit) { // [HGM] book: simulate book reply
12526 static char bookMove[MSG_SIZ]; // a bit generous?
12528 programStats.nodes = programStats.depth = programStats.time =
12529 programStats.score = programStats.got_only_move = 0;
12530 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12532 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12533 strcat(bookMove, bookHit);
12534 HandleMachineMove(bookMove, &first);
12540 DisplayTwoMachinesTitle()
12543 if (appData.matchGames > 0) {
12544 if (first.twoMachinesColor[0] == 'w') {
12545 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12546 gameInfo.white, gameInfo.black,
12547 first.matchWins, second.matchWins,
12548 matchGame - 1 - (first.matchWins + second.matchWins));
12550 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12551 gameInfo.white, gameInfo.black,
12552 second.matchWins, first.matchWins,
12553 matchGame - 1 - (first.matchWins + second.matchWins));
12556 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12562 SettingsMenuIfReady()
12564 if (second.lastPing != second.lastPong) {
12565 DisplayMessage("", _("Waiting for second chess program"));
12566 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12570 DisplayMessage("", "");
12571 SettingsPopUp(&second);
12575 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12578 if (cps->pr == NULL) {
12579 StartChessProgram(cps);
12580 if (cps->protocolVersion == 1) {
12583 /* kludge: allow timeout for initial "feature" command */
12585 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12586 DisplayMessage("", buf);
12587 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12595 TwoMachinesEvent P((void))
12599 ChessProgramState *onmove;
12600 char *bookHit = NULL;
12601 static int stalling = 0;
12605 if (appData.noChessProgram) return;
12607 switch (gameMode) {
12608 case TwoMachinesPlay:
12610 case MachinePlaysWhite:
12611 case MachinePlaysBlack:
12612 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12613 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12617 case BeginningOfGame:
12618 case PlayFromGameFile:
12621 if (gameMode != EditGame) return;
12624 EditPositionDone(TRUE);
12635 // forwardMostMove = currentMove;
12636 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12638 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12640 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12641 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12642 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12646 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12647 SendToProgram("force\n", &second);
12649 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12652 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12653 if(appData.matchPause>10000 || appData.matchPause<10)
12654 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12655 wait = SubtractTimeMarks(&now, &pauseStart);
12656 if(wait < appData.matchPause) {
12657 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12661 DisplayMessage("", "");
12662 if (startedFromSetupPosition) {
12663 SendBoard(&second, backwardMostMove);
12664 if (appData.debugMode) {
12665 fprintf(debugFP, "Two Machines\n");
12668 for (i = backwardMostMove; i < forwardMostMove; i++) {
12669 SendMoveToProgram(i, &second);
12672 gameMode = TwoMachinesPlay;
12676 DisplayTwoMachinesTitle();
12678 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12683 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12684 SendToProgram(first.computerString, &first);
12685 if (first.sendName) {
12686 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12687 SendToProgram(buf, &first);
12689 SendToProgram(second.computerString, &second);
12690 if (second.sendName) {
12691 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12692 SendToProgram(buf, &second);
12696 if (!first.sendTime || !second.sendTime) {
12697 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12698 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12700 if (onmove->sendTime) {
12701 if (onmove->useColors) {
12702 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12704 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12706 if (onmove->useColors) {
12707 SendToProgram(onmove->twoMachinesColor, onmove);
12709 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12710 // SendToProgram("go\n", onmove);
12711 onmove->maybeThinking = TRUE;
12712 SetMachineThinkingEnables();
12716 if(bookHit) { // [HGM] book: simulate book reply
12717 static char bookMove[MSG_SIZ]; // a bit generous?
12719 programStats.nodes = programStats.depth = programStats.time =
12720 programStats.score = programStats.got_only_move = 0;
12721 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12723 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12724 strcat(bookMove, bookHit);
12725 savedMessage = bookMove; // args for deferred call
12726 savedState = onmove;
12727 ScheduleDelayedEvent(DeferredBookMove, 1);
12734 if (gameMode == Training) {
12735 SetTrainingModeOff();
12736 gameMode = PlayFromGameFile;
12737 DisplayMessage("", _("Training mode off"));
12739 gameMode = Training;
12740 animateTraining = appData.animate;
12742 /* make sure we are not already at the end of the game */
12743 if (currentMove < forwardMostMove) {
12744 SetTrainingModeOn();
12745 DisplayMessage("", _("Training mode on"));
12747 gameMode = PlayFromGameFile;
12748 DisplayError(_("Already at end of game"), 0);
12757 if (!appData.icsActive) return;
12758 switch (gameMode) {
12759 case IcsPlayingWhite:
12760 case IcsPlayingBlack:
12763 case BeginningOfGame:
12771 EditPositionDone(TRUE);
12784 gameMode = IcsIdle;
12795 switch (gameMode) {
12797 SetTrainingModeOff();
12799 case MachinePlaysWhite:
12800 case MachinePlaysBlack:
12801 case BeginningOfGame:
12802 SendToProgram("force\n", &first);
12803 SetUserThinkingEnables();
12805 case PlayFromGameFile:
12806 (void) StopLoadGameTimer();
12807 if (gameFileFP != NULL) {
12812 EditPositionDone(TRUE);
12817 SendToProgram("force\n", &first);
12819 case TwoMachinesPlay:
12820 GameEnds(EndOfFile, NULL, GE_PLAYER);
12821 ResurrectChessProgram();
12822 SetUserThinkingEnables();
12825 ResurrectChessProgram();
12827 case IcsPlayingBlack:
12828 case IcsPlayingWhite:
12829 DisplayError(_("Warning: You are still playing a game"), 0);
12832 DisplayError(_("Warning: You are still observing a game"), 0);
12835 DisplayError(_("Warning: You are still examining a game"), 0);
12846 first.offeredDraw = second.offeredDraw = 0;
12848 if (gameMode == PlayFromGameFile) {
12849 whiteTimeRemaining = timeRemaining[0][currentMove];
12850 blackTimeRemaining = timeRemaining[1][currentMove];
12854 if (gameMode == MachinePlaysWhite ||
12855 gameMode == MachinePlaysBlack ||
12856 gameMode == TwoMachinesPlay ||
12857 gameMode == EndOfGame) {
12858 i = forwardMostMove;
12859 while (i > currentMove) {
12860 SendToProgram("undo\n", &first);
12863 whiteTimeRemaining = timeRemaining[0][currentMove];
12864 blackTimeRemaining = timeRemaining[1][currentMove];
12865 DisplayBothClocks();
12866 if (whiteFlag || blackFlag) {
12867 whiteFlag = blackFlag = 0;
12872 gameMode = EditGame;
12879 EditPositionEvent()
12881 if (gameMode == EditPosition) {
12887 if (gameMode != EditGame) return;
12889 gameMode = EditPosition;
12892 if (currentMove > 0)
12893 CopyBoard(boards[0], boards[currentMove]);
12895 blackPlaysFirst = !WhiteOnMove(currentMove);
12897 currentMove = forwardMostMove = backwardMostMove = 0;
12898 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12905 /* [DM] icsEngineAnalyze - possible call from other functions */
12906 if (appData.icsEngineAnalyze) {
12907 appData.icsEngineAnalyze = FALSE;
12909 DisplayMessage("",_("Close ICS engine analyze..."));
12911 if (first.analysisSupport && first.analyzing) {
12912 SendToProgram("exit\n", &first);
12913 first.analyzing = FALSE;
12915 thinkOutput[0] = NULLCHAR;
12919 EditPositionDone(Boolean fakeRights)
12921 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12923 startedFromSetupPosition = TRUE;
12924 InitChessProgram(&first, FALSE);
12925 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12926 boards[0][EP_STATUS] = EP_NONE;
12927 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12928 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12929 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12930 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12931 } else boards[0][CASTLING][2] = NoRights;
12932 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12933 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12934 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12935 } else boards[0][CASTLING][5] = NoRights;
12937 SendToProgram("force\n", &first);
12938 if (blackPlaysFirst) {
12939 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12940 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12941 currentMove = forwardMostMove = backwardMostMove = 1;
12942 CopyBoard(boards[1], boards[0]);
12944 currentMove = forwardMostMove = backwardMostMove = 0;
12946 SendBoard(&first, forwardMostMove);
12947 if (appData.debugMode) {
12948 fprintf(debugFP, "EditPosDone\n");
12951 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12952 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12953 gameMode = EditGame;
12955 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12956 ClearHighlights(); /* [AS] */
12959 /* Pause for `ms' milliseconds */
12960 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12970 } while (SubtractTimeMarks(&m2, &m1) < ms);
12973 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12975 SendMultiLineToICS(buf)
12978 char temp[MSG_SIZ+1], *p;
12985 strncpy(temp, buf, len);
12990 if (*p == '\n' || *p == '\r')
12995 strcat(temp, "\n");
12997 SendToPlayer(temp, strlen(temp));
13001 SetWhiteToPlayEvent()
13003 if (gameMode == EditPosition) {
13004 blackPlaysFirst = FALSE;
13005 DisplayBothClocks(); /* works because currentMove is 0 */
13006 } else if (gameMode == IcsExamining) {
13007 SendToICS(ics_prefix);
13008 SendToICS("tomove white\n");
13013 SetBlackToPlayEvent()
13015 if (gameMode == EditPosition) {
13016 blackPlaysFirst = TRUE;
13017 currentMove = 1; /* kludge */
13018 DisplayBothClocks();
13020 } else if (gameMode == IcsExamining) {
13021 SendToICS(ics_prefix);
13022 SendToICS("tomove black\n");
13027 EditPositionMenuEvent(selection, x, y)
13028 ChessSquare selection;
13032 ChessSquare piece = boards[0][y][x];
13034 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13036 switch (selection) {
13038 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13039 SendToICS(ics_prefix);
13040 SendToICS("bsetup clear\n");
13041 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13042 SendToICS(ics_prefix);
13043 SendToICS("clearboard\n");
13045 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13046 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13047 for (y = 0; y < BOARD_HEIGHT; y++) {
13048 if (gameMode == IcsExamining) {
13049 if (boards[currentMove][y][x] != EmptySquare) {
13050 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13055 boards[0][y][x] = p;
13060 if (gameMode == EditPosition) {
13061 DrawPosition(FALSE, boards[0]);
13066 SetWhiteToPlayEvent();
13070 SetBlackToPlayEvent();
13074 if (gameMode == IcsExamining) {
13075 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13076 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13079 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13080 if(x == BOARD_LEFT-2) {
13081 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13082 boards[0][y][1] = 0;
13084 if(x == BOARD_RGHT+1) {
13085 if(y >= gameInfo.holdingsSize) break;
13086 boards[0][y][BOARD_WIDTH-2] = 0;
13089 boards[0][y][x] = EmptySquare;
13090 DrawPosition(FALSE, boards[0]);
13095 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13096 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13097 selection = (ChessSquare) (PROMOTED piece);
13098 } else if(piece == EmptySquare) selection = WhiteSilver;
13099 else selection = (ChessSquare)((int)piece - 1);
13103 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13104 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13105 selection = (ChessSquare) (DEMOTED piece);
13106 } else if(piece == EmptySquare) selection = BlackSilver;
13107 else selection = (ChessSquare)((int)piece + 1);
13112 if(gameInfo.variant == VariantShatranj ||
13113 gameInfo.variant == VariantXiangqi ||
13114 gameInfo.variant == VariantCourier ||
13115 gameInfo.variant == VariantMakruk )
13116 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13121 if(gameInfo.variant == VariantXiangqi)
13122 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13123 if(gameInfo.variant == VariantKnightmate)
13124 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13127 if (gameMode == IcsExamining) {
13128 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13129 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13130 PieceToChar(selection), AAA + x, ONE + y);
13133 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13135 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13136 n = PieceToNumber(selection - BlackPawn);
13137 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13138 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13139 boards[0][BOARD_HEIGHT-1-n][1]++;
13141 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13142 n = PieceToNumber(selection);
13143 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13144 boards[0][n][BOARD_WIDTH-1] = selection;
13145 boards[0][n][BOARD_WIDTH-2]++;
13148 boards[0][y][x] = selection;
13149 DrawPosition(TRUE, boards[0]);
13157 DropMenuEvent(selection, x, y)
13158 ChessSquare selection;
13161 ChessMove moveType;
13163 switch (gameMode) {
13164 case IcsPlayingWhite:
13165 case MachinePlaysBlack:
13166 if (!WhiteOnMove(currentMove)) {
13167 DisplayMoveError(_("It is Black's turn"));
13170 moveType = WhiteDrop;
13172 case IcsPlayingBlack:
13173 case MachinePlaysWhite:
13174 if (WhiteOnMove(currentMove)) {
13175 DisplayMoveError(_("It is White's turn"));
13178 moveType = BlackDrop;
13181 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13187 if (moveType == BlackDrop && selection < BlackPawn) {
13188 selection = (ChessSquare) ((int) selection
13189 + (int) BlackPawn - (int) WhitePawn);
13191 if (boards[currentMove][y][x] != EmptySquare) {
13192 DisplayMoveError(_("That square is occupied"));
13196 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13202 /* Accept a pending offer of any kind from opponent */
13204 if (appData.icsActive) {
13205 SendToICS(ics_prefix);
13206 SendToICS("accept\n");
13207 } else if (cmailMsgLoaded) {
13208 if (currentMove == cmailOldMove &&
13209 commentList[cmailOldMove] != NULL &&
13210 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13211 "Black offers a draw" : "White offers a draw")) {
13213 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13214 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13216 DisplayError(_("There is no pending offer on this move"), 0);
13217 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13220 /* Not used for offers from chess program */
13227 /* Decline a pending offer of any kind from opponent */
13229 if (appData.icsActive) {
13230 SendToICS(ics_prefix);
13231 SendToICS("decline\n");
13232 } else if (cmailMsgLoaded) {
13233 if (currentMove == cmailOldMove &&
13234 commentList[cmailOldMove] != NULL &&
13235 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13236 "Black offers a draw" : "White offers a draw")) {
13238 AppendComment(cmailOldMove, "Draw declined", TRUE);
13239 DisplayComment(cmailOldMove - 1, "Draw declined");
13242 DisplayError(_("There is no pending offer on this move"), 0);
13245 /* Not used for offers from chess program */
13252 /* Issue ICS rematch command */
13253 if (appData.icsActive) {
13254 SendToICS(ics_prefix);
13255 SendToICS("rematch\n");
13262 /* Call your opponent's flag (claim a win on time) */
13263 if (appData.icsActive) {
13264 SendToICS(ics_prefix);
13265 SendToICS("flag\n");
13267 switch (gameMode) {
13270 case MachinePlaysWhite:
13273 GameEnds(GameIsDrawn, "Both players ran out of time",
13276 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13278 DisplayError(_("Your opponent is not out of time"), 0);
13281 case MachinePlaysBlack:
13284 GameEnds(GameIsDrawn, "Both players ran out of time",
13287 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13289 DisplayError(_("Your opponent is not out of time"), 0);
13297 ClockClick(int which)
13298 { // [HGM] code moved to back-end from winboard.c
13299 if(which) { // black clock
13300 if (gameMode == EditPosition || gameMode == IcsExamining) {
13301 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13302 SetBlackToPlayEvent();
13303 } else if (gameMode == EditGame || shiftKey) {
13304 AdjustClock(which, -1);
13305 } else if (gameMode == IcsPlayingWhite ||
13306 gameMode == MachinePlaysBlack) {
13309 } else { // white clock
13310 if (gameMode == EditPosition || gameMode == IcsExamining) {
13311 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13312 SetWhiteToPlayEvent();
13313 } else if (gameMode == EditGame || shiftKey) {
13314 AdjustClock(which, -1);
13315 } else if (gameMode == IcsPlayingBlack ||
13316 gameMode == MachinePlaysWhite) {
13325 /* Offer draw or accept pending draw offer from opponent */
13327 if (appData.icsActive) {
13328 /* Note: tournament rules require draw offers to be
13329 made after you make your move but before you punch
13330 your clock. Currently ICS doesn't let you do that;
13331 instead, you immediately punch your clock after making
13332 a move, but you can offer a draw at any time. */
13334 SendToICS(ics_prefix);
13335 SendToICS("draw\n");
13336 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13337 } else if (cmailMsgLoaded) {
13338 if (currentMove == cmailOldMove &&
13339 commentList[cmailOldMove] != NULL &&
13340 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13341 "Black offers a draw" : "White offers a draw")) {
13342 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13343 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13344 } else if (currentMove == cmailOldMove + 1) {
13345 char *offer = WhiteOnMove(cmailOldMove) ?
13346 "White offers a draw" : "Black offers a draw";
13347 AppendComment(currentMove, offer, TRUE);
13348 DisplayComment(currentMove - 1, offer);
13349 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13351 DisplayError(_("You must make your move before offering a draw"), 0);
13352 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13354 } else if (first.offeredDraw) {
13355 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13357 if (first.sendDrawOffers) {
13358 SendToProgram("draw\n", &first);
13359 userOfferedDraw = TRUE;
13367 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13369 if (appData.icsActive) {
13370 SendToICS(ics_prefix);
13371 SendToICS("adjourn\n");
13373 /* Currently GNU Chess doesn't offer or accept Adjourns */
13381 /* Offer Abort or accept pending Abort offer from opponent */
13383 if (appData.icsActive) {
13384 SendToICS(ics_prefix);
13385 SendToICS("abort\n");
13387 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13394 /* Resign. You can do this even if it's not your turn. */
13396 if (appData.icsActive) {
13397 SendToICS(ics_prefix);
13398 SendToICS("resign\n");
13400 switch (gameMode) {
13401 case MachinePlaysWhite:
13402 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13404 case MachinePlaysBlack:
13405 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13408 if (cmailMsgLoaded) {
13410 if (WhiteOnMove(cmailOldMove)) {
13411 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13413 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13415 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13426 StopObservingEvent()
13428 /* Stop observing current games */
13429 SendToICS(ics_prefix);
13430 SendToICS("unobserve\n");
13434 StopExaminingEvent()
13436 /* Stop observing current game */
13437 SendToICS(ics_prefix);
13438 SendToICS("unexamine\n");
13442 ForwardInner(target)
13447 if (appData.debugMode)
13448 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13449 target, currentMove, forwardMostMove);
13451 if (gameMode == EditPosition)
13454 if (gameMode == PlayFromGameFile && !pausing)
13457 if (gameMode == IcsExamining && pausing)
13458 limit = pauseExamForwardMostMove;
13460 limit = forwardMostMove;
13462 if (target > limit) target = limit;
13464 if (target > 0 && moveList[target - 1][0]) {
13465 int fromX, fromY, toX, toY;
13466 toX = moveList[target - 1][2] - AAA;
13467 toY = moveList[target - 1][3] - ONE;
13468 if (moveList[target - 1][1] == '@') {
13469 if (appData.highlightLastMove) {
13470 SetHighlights(-1, -1, toX, toY);
13473 fromX = moveList[target - 1][0] - AAA;
13474 fromY = moveList[target - 1][1] - ONE;
13475 if (target == currentMove + 1) {
13476 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13478 if (appData.highlightLastMove) {
13479 SetHighlights(fromX, fromY, toX, toY);
13483 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13484 gameMode == Training || gameMode == PlayFromGameFile ||
13485 gameMode == AnalyzeFile) {
13486 while (currentMove < target) {
13487 SendMoveToProgram(currentMove++, &first);
13490 currentMove = target;
13493 if (gameMode == EditGame || gameMode == EndOfGame) {
13494 whiteTimeRemaining = timeRemaining[0][currentMove];
13495 blackTimeRemaining = timeRemaining[1][currentMove];
13497 DisplayBothClocks();
13498 DisplayMove(currentMove - 1);
13499 DrawPosition(FALSE, boards[currentMove]);
13500 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13501 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13502 DisplayComment(currentMove - 1, commentList[currentMove]);
13504 DisplayBook(currentMove);
13511 if (gameMode == IcsExamining && !pausing) {
13512 SendToICS(ics_prefix);
13513 SendToICS("forward\n");
13515 ForwardInner(currentMove + 1);
13522 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13523 /* to optimze, we temporarily turn off analysis mode while we feed
13524 * the remaining moves to the engine. Otherwise we get analysis output
13527 if (first.analysisSupport) {
13528 SendToProgram("exit\nforce\n", &first);
13529 first.analyzing = FALSE;
13533 if (gameMode == IcsExamining && !pausing) {
13534 SendToICS(ics_prefix);
13535 SendToICS("forward 999999\n");
13537 ForwardInner(forwardMostMove);
13540 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13541 /* we have fed all the moves, so reactivate analysis mode */
13542 SendToProgram("analyze\n", &first);
13543 first.analyzing = TRUE;
13544 /*first.maybeThinking = TRUE;*/
13545 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13550 BackwardInner(target)
13553 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13555 if (appData.debugMode)
13556 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13557 target, currentMove, forwardMostMove);
13559 if (gameMode == EditPosition) return;
13560 if (currentMove <= backwardMostMove) {
13562 DrawPosition(full_redraw, boards[currentMove]);
13565 if (gameMode == PlayFromGameFile && !pausing)
13568 if (moveList[target][0]) {
13569 int fromX, fromY, toX, toY;
13570 toX = moveList[target][2] - AAA;
13571 toY = moveList[target][3] - ONE;
13572 if (moveList[target][1] == '@') {
13573 if (appData.highlightLastMove) {
13574 SetHighlights(-1, -1, toX, toY);
13577 fromX = moveList[target][0] - AAA;
13578 fromY = moveList[target][1] - ONE;
13579 if (target == currentMove - 1) {
13580 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13582 if (appData.highlightLastMove) {
13583 SetHighlights(fromX, fromY, toX, toY);
13587 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13588 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13589 while (currentMove > target) {
13590 SendToProgram("undo\n", &first);
13594 currentMove = target;
13597 if (gameMode == EditGame || gameMode == EndOfGame) {
13598 whiteTimeRemaining = timeRemaining[0][currentMove];
13599 blackTimeRemaining = timeRemaining[1][currentMove];
13601 DisplayBothClocks();
13602 DisplayMove(currentMove - 1);
13603 DrawPosition(full_redraw, boards[currentMove]);
13604 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13605 // [HGM] PV info: routine tests if comment empty
13606 DisplayComment(currentMove - 1, commentList[currentMove]);
13607 DisplayBook(currentMove);
13613 if (gameMode == IcsExamining && !pausing) {
13614 SendToICS(ics_prefix);
13615 SendToICS("backward\n");
13617 BackwardInner(currentMove - 1);
13624 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13625 /* to optimize, we temporarily turn off analysis mode while we undo
13626 * all the moves. Otherwise we get analysis output after each undo.
13628 if (first.analysisSupport) {
13629 SendToProgram("exit\nforce\n", &first);
13630 first.analyzing = FALSE;
13634 if (gameMode == IcsExamining && !pausing) {
13635 SendToICS(ics_prefix);
13636 SendToICS("backward 999999\n");
13638 BackwardInner(backwardMostMove);
13641 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13642 /* we have fed all the moves, so reactivate analysis mode */
13643 SendToProgram("analyze\n", &first);
13644 first.analyzing = TRUE;
13645 /*first.maybeThinking = TRUE;*/
13646 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13653 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13654 if (to >= forwardMostMove) to = forwardMostMove;
13655 if (to <= backwardMostMove) to = backwardMostMove;
13656 if (to < currentMove) {
13664 RevertEvent(Boolean annotate)
13666 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13669 if (gameMode != IcsExamining) {
13670 DisplayError(_("You are not examining a game"), 0);
13674 DisplayError(_("You can't revert while pausing"), 0);
13677 SendToICS(ics_prefix);
13678 SendToICS("revert\n");
13684 switch (gameMode) {
13685 case MachinePlaysWhite:
13686 case MachinePlaysBlack:
13687 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13688 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13691 if (forwardMostMove < 2) return;
13692 currentMove = forwardMostMove = forwardMostMove - 2;
13693 whiteTimeRemaining = timeRemaining[0][currentMove];
13694 blackTimeRemaining = timeRemaining[1][currentMove];
13695 DisplayBothClocks();
13696 DisplayMove(currentMove - 1);
13697 ClearHighlights();/*!! could figure this out*/
13698 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13699 SendToProgram("remove\n", &first);
13700 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13703 case BeginningOfGame:
13707 case IcsPlayingWhite:
13708 case IcsPlayingBlack:
13709 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13710 SendToICS(ics_prefix);
13711 SendToICS("takeback 2\n");
13713 SendToICS(ics_prefix);
13714 SendToICS("takeback 1\n");
13723 ChessProgramState *cps;
13725 switch (gameMode) {
13726 case MachinePlaysWhite:
13727 if (!WhiteOnMove(forwardMostMove)) {
13728 DisplayError(_("It is your turn"), 0);
13733 case MachinePlaysBlack:
13734 if (WhiteOnMove(forwardMostMove)) {
13735 DisplayError(_("It is your turn"), 0);
13740 case TwoMachinesPlay:
13741 if (WhiteOnMove(forwardMostMove) ==
13742 (first.twoMachinesColor[0] == 'w')) {
13748 case BeginningOfGame:
13752 SendToProgram("?\n", cps);
13756 TruncateGameEvent()
13759 if (gameMode != EditGame) return;
13766 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13767 if (forwardMostMove > currentMove) {
13768 if (gameInfo.resultDetails != NULL) {
13769 free(gameInfo.resultDetails);
13770 gameInfo.resultDetails = NULL;
13771 gameInfo.result = GameUnfinished;
13773 forwardMostMove = currentMove;
13774 HistorySet(parseList, backwardMostMove, forwardMostMove,
13782 if (appData.noChessProgram) return;
13783 switch (gameMode) {
13784 case MachinePlaysWhite:
13785 if (WhiteOnMove(forwardMostMove)) {
13786 DisplayError(_("Wait until your turn"), 0);
13790 case BeginningOfGame:
13791 case MachinePlaysBlack:
13792 if (!WhiteOnMove(forwardMostMove)) {
13793 DisplayError(_("Wait until your turn"), 0);
13798 DisplayError(_("No hint available"), 0);
13801 SendToProgram("hint\n", &first);
13802 hintRequested = TRUE;
13808 if (appData.noChessProgram) return;
13809 switch (gameMode) {
13810 case MachinePlaysWhite:
13811 if (WhiteOnMove(forwardMostMove)) {
13812 DisplayError(_("Wait until your turn"), 0);
13816 case BeginningOfGame:
13817 case MachinePlaysBlack:
13818 if (!WhiteOnMove(forwardMostMove)) {
13819 DisplayError(_("Wait until your turn"), 0);
13824 EditPositionDone(TRUE);
13826 case TwoMachinesPlay:
13831 SendToProgram("bk\n", &first);
13832 bookOutput[0] = NULLCHAR;
13833 bookRequested = TRUE;
13839 char *tags = PGNTags(&gameInfo);
13840 TagsPopUp(tags, CmailMsg());
13844 /* end button procedures */
13847 PrintPosition(fp, move)
13853 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13854 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13855 char c = PieceToChar(boards[move][i][j]);
13856 fputc(c == 'x' ? '.' : c, fp);
13857 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13860 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13861 fprintf(fp, "white to play\n");
13863 fprintf(fp, "black to play\n");
13870 if (gameInfo.white != NULL) {
13871 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13877 /* Find last component of program's own name, using some heuristics */
13879 TidyProgramName(prog, host, buf)
13880 char *prog, *host, buf[MSG_SIZ];
13883 int local = (strcmp(host, "localhost") == 0);
13884 while (!local && (p = strchr(prog, ';')) != NULL) {
13886 while (*p == ' ') p++;
13889 if (*prog == '"' || *prog == '\'') {
13890 q = strchr(prog + 1, *prog);
13892 q = strchr(prog, ' ');
13894 if (q == NULL) q = prog + strlen(prog);
13896 while (p >= prog && *p != '/' && *p != '\\') p--;
13898 if(p == prog && *p == '"') p++;
13899 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13900 memcpy(buf, p, q - p);
13901 buf[q - p] = NULLCHAR;
13909 TimeControlTagValue()
13912 if (!appData.clockMode) {
13913 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13914 } else if (movesPerSession > 0) {
13915 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13916 } else if (timeIncrement == 0) {
13917 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13919 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13921 return StrSave(buf);
13927 /* This routine is used only for certain modes */
13928 VariantClass v = gameInfo.variant;
13929 ChessMove r = GameUnfinished;
13932 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13933 r = gameInfo.result;
13934 p = gameInfo.resultDetails;
13935 gameInfo.resultDetails = NULL;
13937 ClearGameInfo(&gameInfo);
13938 gameInfo.variant = v;
13940 switch (gameMode) {
13941 case MachinePlaysWhite:
13942 gameInfo.event = StrSave( appData.pgnEventHeader );
13943 gameInfo.site = StrSave(HostName());
13944 gameInfo.date = PGNDate();
13945 gameInfo.round = StrSave("-");
13946 gameInfo.white = StrSave(first.tidy);
13947 gameInfo.black = StrSave(UserName());
13948 gameInfo.timeControl = TimeControlTagValue();
13951 case MachinePlaysBlack:
13952 gameInfo.event = StrSave( appData.pgnEventHeader );
13953 gameInfo.site = StrSave(HostName());
13954 gameInfo.date = PGNDate();
13955 gameInfo.round = StrSave("-");
13956 gameInfo.white = StrSave(UserName());
13957 gameInfo.black = StrSave(first.tidy);
13958 gameInfo.timeControl = TimeControlTagValue();
13961 case TwoMachinesPlay:
13962 gameInfo.event = StrSave( appData.pgnEventHeader );
13963 gameInfo.site = StrSave(HostName());
13964 gameInfo.date = PGNDate();
13967 snprintf(buf, MSG_SIZ, "%d", roundNr);
13968 gameInfo.round = StrSave(buf);
13970 gameInfo.round = StrSave("-");
13972 if (first.twoMachinesColor[0] == 'w') {
13973 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
13974 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
13976 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
13977 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
13979 gameInfo.timeControl = TimeControlTagValue();
13983 gameInfo.event = StrSave("Edited game");
13984 gameInfo.site = StrSave(HostName());
13985 gameInfo.date = PGNDate();
13986 gameInfo.round = StrSave("-");
13987 gameInfo.white = StrSave("-");
13988 gameInfo.black = StrSave("-");
13989 gameInfo.result = r;
13990 gameInfo.resultDetails = p;
13994 gameInfo.event = StrSave("Edited position");
13995 gameInfo.site = StrSave(HostName());
13996 gameInfo.date = PGNDate();
13997 gameInfo.round = StrSave("-");
13998 gameInfo.white = StrSave("-");
13999 gameInfo.black = StrSave("-");
14002 case IcsPlayingWhite:
14003 case IcsPlayingBlack:
14008 case PlayFromGameFile:
14009 gameInfo.event = StrSave("Game from non-PGN file");
14010 gameInfo.site = StrSave(HostName());
14011 gameInfo.date = PGNDate();
14012 gameInfo.round = StrSave("-");
14013 gameInfo.white = StrSave("?");
14014 gameInfo.black = StrSave("?");
14023 ReplaceComment(index, text)
14031 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14032 pvInfoList[index-1].depth == len &&
14033 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14034 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14035 while (*text == '\n') text++;
14036 len = strlen(text);
14037 while (len > 0 && text[len - 1] == '\n') len--;
14039 if (commentList[index] != NULL)
14040 free(commentList[index]);
14043 commentList[index] = NULL;
14046 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14047 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14048 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14049 commentList[index] = (char *) malloc(len + 2);
14050 strncpy(commentList[index], text, len);
14051 commentList[index][len] = '\n';
14052 commentList[index][len + 1] = NULLCHAR;
14054 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14056 commentList[index] = (char *) malloc(len + 7);
14057 safeStrCpy(commentList[index], "{\n", 3);
14058 safeStrCpy(commentList[index]+2, text, len+1);
14059 commentList[index][len+2] = NULLCHAR;
14060 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14061 strcat(commentList[index], "\n}\n");
14075 if (ch == '\r') continue;
14077 } while (ch != '\0');
14081 AppendComment(index, text, addBraces)
14084 Boolean addBraces; // [HGM] braces: tells if we should add {}
14089 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14090 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14093 while (*text == '\n') text++;
14094 len = strlen(text);
14095 while (len > 0 && text[len - 1] == '\n') len--;
14097 if (len == 0) return;
14099 if (commentList[index] != NULL) {
14100 old = commentList[index];
14101 oldlen = strlen(old);
14102 while(commentList[index][oldlen-1] == '\n')
14103 commentList[index][--oldlen] = NULLCHAR;
14104 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14105 safeStrCpy(commentList[index], old, oldlen + len + 6);
14107 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14108 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14109 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14110 while (*text == '\n') { text++; len--; }
14111 commentList[index][--oldlen] = NULLCHAR;
14113 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14114 else strcat(commentList[index], "\n");
14115 strcat(commentList[index], text);
14116 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14117 else strcat(commentList[index], "\n");
14119 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14121 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14122 else commentList[index][0] = NULLCHAR;
14123 strcat(commentList[index], text);
14124 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14125 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14129 static char * FindStr( char * text, char * sub_text )
14131 char * result = strstr( text, sub_text );
14133 if( result != NULL ) {
14134 result += strlen( sub_text );
14140 /* [AS] Try to extract PV info from PGN comment */
14141 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14142 char *GetInfoFromComment( int index, char * text )
14144 char * sep = text, *p;
14146 if( text != NULL && index > 0 ) {
14149 int time = -1, sec = 0, deci;
14150 char * s_eval = FindStr( text, "[%eval " );
14151 char * s_emt = FindStr( text, "[%emt " );
14153 if( s_eval != NULL || s_emt != NULL ) {
14157 if( s_eval != NULL ) {
14158 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14162 if( delim != ']' ) {
14167 if( s_emt != NULL ) {
14172 /* We expect something like: [+|-]nnn.nn/dd */
14175 if(*text != '{') return text; // [HGM] braces: must be normal comment
14177 sep = strchr( text, '/' );
14178 if( sep == NULL || sep < (text+4) ) {
14183 if(p[1] == '(') { // comment starts with PV
14184 p = strchr(p, ')'); // locate end of PV
14185 if(p == NULL || sep < p+5) return text;
14186 // at this point we have something like "{(.*) +0.23/6 ..."
14187 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14188 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14189 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14191 time = -1; sec = -1; deci = -1;
14192 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14193 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14194 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14195 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14199 if( score_lo < 0 || score_lo >= 100 ) {
14203 if(sec >= 0) time = 600*time + 10*sec; else
14204 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14206 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14208 /* [HGM] PV time: now locate end of PV info */
14209 while( *++sep >= '0' && *sep <= '9'); // strip depth
14211 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14213 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14215 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14216 while(*sep == ' ') sep++;
14227 pvInfoList[index-1].depth = depth;
14228 pvInfoList[index-1].score = score;
14229 pvInfoList[index-1].time = 10*time; // centi-sec
14230 if(*sep == '}') *sep = 0; else *--sep = '{';
14231 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14237 SendToProgram(message, cps)
14239 ChessProgramState *cps;
14241 int count, outCount, error;
14244 if (cps->pr == NULL) return;
14247 if (appData.debugMode) {
14250 fprintf(debugFP, "%ld >%-6s: %s",
14251 SubtractTimeMarks(&now, &programStartTime),
14252 cps->which, message);
14255 count = strlen(message);
14256 outCount = OutputToProcess(cps->pr, message, count, &error);
14257 if (outCount < count && !exiting
14258 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14259 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14260 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14261 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14262 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14263 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14264 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14265 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14267 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14268 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14269 gameInfo.result = res;
14271 gameInfo.resultDetails = StrSave(buf);
14273 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14274 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14279 ReceiveFromProgram(isr, closure, message, count, error)
14280 InputSourceRef isr;
14288 ChessProgramState *cps = (ChessProgramState *)closure;
14290 if (isr != cps->isr) return; /* Killed intentionally */
14293 RemoveInputSource(cps->isr);
14294 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14295 _(cps->which), cps->program);
14296 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14297 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14298 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14299 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14300 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14302 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14303 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14304 gameInfo.result = res;
14306 gameInfo.resultDetails = StrSave(buf);
14308 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14309 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14311 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14312 _(cps->which), cps->program);
14313 RemoveInputSource(cps->isr);
14315 /* [AS] Program is misbehaving badly... kill it */
14316 if( count == -2 ) {
14317 DestroyChildProcess( cps->pr, 9 );
14321 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14326 if ((end_str = strchr(message, '\r')) != NULL)
14327 *end_str = NULLCHAR;
14328 if ((end_str = strchr(message, '\n')) != NULL)
14329 *end_str = NULLCHAR;
14331 if (appData.debugMode) {
14332 TimeMark now; int print = 1;
14333 char *quote = ""; char c; int i;
14335 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14336 char start = message[0];
14337 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14338 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14339 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14340 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14341 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14342 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14343 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14344 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14345 sscanf(message, "hint: %c", &c)!=1 &&
14346 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14347 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14348 print = (appData.engineComments >= 2);
14350 message[0] = start; // restore original message
14354 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14355 SubtractTimeMarks(&now, &programStartTime), cps->which,
14361 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14362 if (appData.icsEngineAnalyze) {
14363 if (strstr(message, "whisper") != NULL ||
14364 strstr(message, "kibitz") != NULL ||
14365 strstr(message, "tellics") != NULL) return;
14368 HandleMachineMove(message, cps);
14373 SendTimeControl(cps, mps, tc, inc, sd, st)
14374 ChessProgramState *cps;
14375 int mps, inc, sd, st;
14381 if( timeControl_2 > 0 ) {
14382 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14383 tc = timeControl_2;
14386 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14387 inc /= cps->timeOdds;
14388 st /= cps->timeOdds;
14390 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14393 /* Set exact time per move, normally using st command */
14394 if (cps->stKludge) {
14395 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14397 if (seconds == 0) {
14398 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14400 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14403 snprintf(buf, MSG_SIZ, "st %d\n", st);
14406 /* Set conventional or incremental time control, using level command */
14407 if (seconds == 0) {
14408 /* Note old gnuchess bug -- minutes:seconds used to not work.
14409 Fixed in later versions, but still avoid :seconds
14410 when seconds is 0. */
14411 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14413 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14414 seconds, inc/1000.);
14417 SendToProgram(buf, cps);
14419 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14420 /* Orthogonally, limit search to given depth */
14422 if (cps->sdKludge) {
14423 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14425 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14427 SendToProgram(buf, cps);
14430 if(cps->nps >= 0) { /* [HGM] nps */
14431 if(cps->supportsNPS == FALSE)
14432 cps->nps = -1; // don't use if engine explicitly says not supported!
14434 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14435 SendToProgram(buf, cps);
14440 ChessProgramState *WhitePlayer()
14441 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14443 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14444 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14450 SendTimeRemaining(cps, machineWhite)
14451 ChessProgramState *cps;
14452 int /*boolean*/ machineWhite;
14454 char message[MSG_SIZ];
14457 /* Note: this routine must be called when the clocks are stopped
14458 or when they have *just* been set or switched; otherwise
14459 it will be off by the time since the current tick started.
14461 if (machineWhite) {
14462 time = whiteTimeRemaining / 10;
14463 otime = blackTimeRemaining / 10;
14465 time = blackTimeRemaining / 10;
14466 otime = whiteTimeRemaining / 10;
14468 /* [HGM] translate opponent's time by time-odds factor */
14469 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14470 if (appData.debugMode) {
14471 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14474 if (time <= 0) time = 1;
14475 if (otime <= 0) otime = 1;
14477 snprintf(message, MSG_SIZ, "time %ld\n", time);
14478 SendToProgram(message, cps);
14480 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14481 SendToProgram(message, cps);
14485 BoolFeature(p, name, loc, cps)
14489 ChessProgramState *cps;
14492 int len = strlen(name);
14495 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14497 sscanf(*p, "%d", &val);
14499 while (**p && **p != ' ')
14501 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14502 SendToProgram(buf, cps);
14509 IntFeature(p, name, loc, cps)
14513 ChessProgramState *cps;
14516 int len = strlen(name);
14517 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14519 sscanf(*p, "%d", loc);
14520 while (**p && **p != ' ') (*p)++;
14521 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14522 SendToProgram(buf, cps);
14529 StringFeature(p, name, loc, cps)
14533 ChessProgramState *cps;
14536 int len = strlen(name);
14537 if (strncmp((*p), name, len) == 0
14538 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14540 sscanf(*p, "%[^\"]", loc);
14541 while (**p && **p != '\"') (*p)++;
14542 if (**p == '\"') (*p)++;
14543 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14544 SendToProgram(buf, cps);
14551 ParseOption(Option *opt, ChessProgramState *cps)
14552 // [HGM] options: process the string that defines an engine option, and determine
14553 // name, type, default value, and allowed value range
14555 char *p, *q, buf[MSG_SIZ];
14556 int n, min = (-1)<<31, max = 1<<31, def;
14558 if(p = strstr(opt->name, " -spin ")) {
14559 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14560 if(max < min) max = min; // enforce consistency
14561 if(def < min) def = min;
14562 if(def > max) def = max;
14567 } else if((p = strstr(opt->name, " -slider "))) {
14568 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14569 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14570 if(max < min) max = min; // enforce consistency
14571 if(def < min) def = min;
14572 if(def > max) def = max;
14576 opt->type = Spin; // Slider;
14577 } else if((p = strstr(opt->name, " -string "))) {
14578 opt->textValue = p+9;
14579 opt->type = TextBox;
14580 } else if((p = strstr(opt->name, " -file "))) {
14581 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14582 opt->textValue = p+7;
14583 opt->type = FileName; // FileName;
14584 } else if((p = strstr(opt->name, " -path "))) {
14585 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14586 opt->textValue = p+7;
14587 opt->type = PathName; // PathName;
14588 } else if(p = strstr(opt->name, " -check ")) {
14589 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14590 opt->value = (def != 0);
14591 opt->type = CheckBox;
14592 } else if(p = strstr(opt->name, " -combo ")) {
14593 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14594 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14595 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14596 opt->value = n = 0;
14597 while(q = StrStr(q, " /// ")) {
14598 n++; *q = 0; // count choices, and null-terminate each of them
14600 if(*q == '*') { // remember default, which is marked with * prefix
14604 cps->comboList[cps->comboCnt++] = q;
14606 cps->comboList[cps->comboCnt++] = NULL;
14608 opt->type = ComboBox;
14609 } else if(p = strstr(opt->name, " -button")) {
14610 opt->type = Button;
14611 } else if(p = strstr(opt->name, " -save")) {
14612 opt->type = SaveButton;
14613 } else return FALSE;
14614 *p = 0; // terminate option name
14615 // now look if the command-line options define a setting for this engine option.
14616 if(cps->optionSettings && cps->optionSettings[0])
14617 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14618 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14619 snprintf(buf, MSG_SIZ, "option %s", p);
14620 if(p = strstr(buf, ",")) *p = 0;
14621 if(q = strchr(buf, '=')) switch(opt->type) {
14623 for(n=0; n<opt->max; n++)
14624 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14627 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14631 opt->value = atoi(q+1);
14636 SendToProgram(buf, cps);
14642 FeatureDone(cps, val)
14643 ChessProgramState* cps;
14646 DelayedEventCallback cb = GetDelayedEvent();
14647 if ((cb == InitBackEnd3 && cps == &first) ||
14648 (cb == SettingsMenuIfReady && cps == &second) ||
14649 (cb == LoadEngine) ||
14650 (cb == TwoMachinesEventIfReady)) {
14651 CancelDelayedEvent();
14652 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14654 cps->initDone = val;
14657 /* Parse feature command from engine */
14659 ParseFeatures(args, cps)
14661 ChessProgramState *cps;
14669 while (*p == ' ') p++;
14670 if (*p == NULLCHAR) return;
14672 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14673 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14674 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14675 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14676 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14677 if (BoolFeature(&p, "reuse", &val, cps)) {
14678 /* Engine can disable reuse, but can't enable it if user said no */
14679 if (!val) cps->reuse = FALSE;
14682 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14683 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14684 if (gameMode == TwoMachinesPlay) {
14685 DisplayTwoMachinesTitle();
14691 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14692 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14693 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14694 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14695 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14696 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14697 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14698 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14699 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14700 if (IntFeature(&p, "done", &val, cps)) {
14701 FeatureDone(cps, val);
14704 /* Added by Tord: */
14705 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14706 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14707 /* End of additions by Tord */
14709 /* [HGM] added features: */
14710 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14711 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14712 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14713 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14714 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14715 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14716 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14717 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14718 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14719 SendToProgram(buf, cps);
14722 if(cps->nrOptions >= MAX_OPTIONS) {
14724 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14725 DisplayError(buf, 0);
14729 /* End of additions by HGM */
14731 /* unknown feature: complain and skip */
14733 while (*q && *q != '=') q++;
14734 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14735 SendToProgram(buf, cps);
14741 while (*p && *p != '\"') p++;
14742 if (*p == '\"') p++;
14744 while (*p && *p != ' ') p++;
14752 PeriodicUpdatesEvent(newState)
14755 if (newState == appData.periodicUpdates)
14758 appData.periodicUpdates=newState;
14760 /* Display type changes, so update it now */
14761 // DisplayAnalysis();
14763 /* Get the ball rolling again... */
14765 AnalysisPeriodicEvent(1);
14766 StartAnalysisClock();
14771 PonderNextMoveEvent(newState)
14774 if (newState == appData.ponderNextMove) return;
14775 if (gameMode == EditPosition) EditPositionDone(TRUE);
14777 SendToProgram("hard\n", &first);
14778 if (gameMode == TwoMachinesPlay) {
14779 SendToProgram("hard\n", &second);
14782 SendToProgram("easy\n", &first);
14783 thinkOutput[0] = NULLCHAR;
14784 if (gameMode == TwoMachinesPlay) {
14785 SendToProgram("easy\n", &second);
14788 appData.ponderNextMove = newState;
14792 NewSettingEvent(option, feature, command, value)
14794 int option, value, *feature;
14798 if (gameMode == EditPosition) EditPositionDone(TRUE);
14799 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14800 if(feature == NULL || *feature) SendToProgram(buf, &first);
14801 if (gameMode == TwoMachinesPlay) {
14802 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14807 ShowThinkingEvent()
14808 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14810 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14811 int newState = appData.showThinking
14812 // [HGM] thinking: other features now need thinking output as well
14813 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14815 if (oldState == newState) return;
14816 oldState = newState;
14817 if (gameMode == EditPosition) EditPositionDone(TRUE);
14819 SendToProgram("post\n", &first);
14820 if (gameMode == TwoMachinesPlay) {
14821 SendToProgram("post\n", &second);
14824 SendToProgram("nopost\n", &first);
14825 thinkOutput[0] = NULLCHAR;
14826 if (gameMode == TwoMachinesPlay) {
14827 SendToProgram("nopost\n", &second);
14830 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14834 AskQuestionEvent(title, question, replyPrefix, which)
14835 char *title; char *question; char *replyPrefix; char *which;
14837 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14838 if (pr == NoProc) return;
14839 AskQuestion(title, question, replyPrefix, pr);
14843 TypeInEvent(char firstChar)
14845 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
\r
14846 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
\r
14847 gameMode == AnalyzeMode || gameMode == EditGame ||
\r
14848 gameMode == EditPosition || gameMode == IcsExamining ||
\r
14849 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
\r
14850 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
\r
14851 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
\r
14852 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
\r
14853 gameMode == Training) PopUpMoveDialog(firstChar);
14857 TypeInDoneEvent(char *move)
14860 int n, fromX, fromY, toX, toY;
14862 ChessMove moveType;
\r
14865 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
\r
14866 EditPositionPasteFEN(move);
\r
14869 // [HGM] movenum: allow move number to be typed in any mode
\r
14870 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
\r
14871 ToNrEvent(2*n-1);
\r
14875 if (gameMode != EditGame && currentMove != forwardMostMove &&
\r
14876 gameMode != Training) {
\r
14877 DisplayMoveError(_("Displayed move is not current"));
\r
14879 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
14880 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
\r
14881 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
\r
14882 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
14883 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
\r
14884 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
\r
14886 DisplayMoveError(_("Could not parse move"));
\r
14892 DisplayMove(moveNumber)
14895 char message[MSG_SIZ];
14897 char cpThinkOutput[MSG_SIZ];
14899 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14901 if (moveNumber == forwardMostMove - 1 ||
14902 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14904 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14906 if (strchr(cpThinkOutput, '\n')) {
14907 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14910 *cpThinkOutput = NULLCHAR;
14913 /* [AS] Hide thinking from human user */
14914 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14915 *cpThinkOutput = NULLCHAR;
14916 if( thinkOutput[0] != NULLCHAR ) {
14919 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14920 cpThinkOutput[i] = '.';
14922 cpThinkOutput[i] = NULLCHAR;
14923 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14927 if (moveNumber == forwardMostMove - 1 &&
14928 gameInfo.resultDetails != NULL) {
14929 if (gameInfo.resultDetails[0] == NULLCHAR) {
14930 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14932 snprintf(res, MSG_SIZ, " {%s} %s",
14933 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14939 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14940 DisplayMessage(res, cpThinkOutput);
14942 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14943 WhiteOnMove(moveNumber) ? " " : ".. ",
14944 parseList[moveNumber], res);
14945 DisplayMessage(message, cpThinkOutput);
14950 DisplayComment(moveNumber, text)
14954 char title[MSG_SIZ];
14955 char buf[8000]; // comment can be long!
14958 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14959 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14961 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14962 WhiteOnMove(moveNumber) ? " " : ".. ",
14963 parseList[moveNumber]);
14965 // [HGM] PV info: display PV info together with (or as) comment
14966 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14967 if(text == NULL) text = "";
14968 score = pvInfoList[moveNumber].score;
14969 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14970 depth, (pvInfoList[moveNumber].time+50)/100, text);
14973 if (text != NULL && (appData.autoDisplayComment || commentUp))
14974 CommentPopUp(title, text);
14977 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14978 * might be busy thinking or pondering. It can be omitted if your
14979 * gnuchess is configured to stop thinking immediately on any user
14980 * input. However, that gnuchess feature depends on the FIONREAD
14981 * ioctl, which does not work properly on some flavors of Unix.
14985 ChessProgramState *cps;
14988 if (!cps->useSigint) return;
14989 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14990 switch (gameMode) {
14991 case MachinePlaysWhite:
14992 case MachinePlaysBlack:
14993 case TwoMachinesPlay:
14994 case IcsPlayingWhite:
14995 case IcsPlayingBlack:
14998 /* Skip if we know it isn't thinking */
14999 if (!cps->maybeThinking) return;
15000 if (appData.debugMode)
15001 fprintf(debugFP, "Interrupting %s\n", cps->which);
15002 InterruptChildProcess(cps->pr);
15003 cps->maybeThinking = FALSE;
15008 #endif /*ATTENTION*/
15014 if (whiteTimeRemaining <= 0) {
15017 if (appData.icsActive) {
15018 if (appData.autoCallFlag &&
15019 gameMode == IcsPlayingBlack && !blackFlag) {
15020 SendToICS(ics_prefix);
15021 SendToICS("flag\n");
15025 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15027 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15028 if (appData.autoCallFlag) {
15029 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15036 if (blackTimeRemaining <= 0) {
15039 if (appData.icsActive) {
15040 if (appData.autoCallFlag &&
15041 gameMode == IcsPlayingWhite && !whiteFlag) {
15042 SendToICS(ics_prefix);
15043 SendToICS("flag\n");
15047 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15049 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15050 if (appData.autoCallFlag) {
15051 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15064 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15065 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15068 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15070 if ( !WhiteOnMove(forwardMostMove) ) {
15071 /* White made time control */
15072 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15073 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15074 /* [HGM] time odds: correct new time quota for time odds! */
15075 / WhitePlayer()->timeOdds;
15076 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15078 lastBlack -= blackTimeRemaining;
15079 /* Black made time control */
15080 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15081 / WhitePlayer()->other->timeOdds;
15082 lastWhite = whiteTimeRemaining;
15087 DisplayBothClocks()
15089 int wom = gameMode == EditPosition ?
15090 !blackPlaysFirst : WhiteOnMove(currentMove);
15091 DisplayWhiteClock(whiteTimeRemaining, wom);
15092 DisplayBlackClock(blackTimeRemaining, !wom);
15096 /* Timekeeping seems to be a portability nightmare. I think everyone
15097 has ftime(), but I'm really not sure, so I'm including some ifdefs
15098 to use other calls if you don't. Clocks will be less accurate if
15099 you have neither ftime nor gettimeofday.
15102 /* VS 2008 requires the #include outside of the function */
15103 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15104 #include <sys/timeb.h>
15107 /* Get the current time as a TimeMark */
15112 #if HAVE_GETTIMEOFDAY
15114 struct timeval timeVal;
15115 struct timezone timeZone;
15117 gettimeofday(&timeVal, &timeZone);
15118 tm->sec = (long) timeVal.tv_sec;
15119 tm->ms = (int) (timeVal.tv_usec / 1000L);
15121 #else /*!HAVE_GETTIMEOFDAY*/
15124 // include <sys/timeb.h> / moved to just above start of function
15125 struct timeb timeB;
15128 tm->sec = (long) timeB.time;
15129 tm->ms = (int) timeB.millitm;
15131 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15132 tm->sec = (long) time(NULL);
15138 /* Return the difference in milliseconds between two
15139 time marks. We assume the difference will fit in a long!
15142 SubtractTimeMarks(tm2, tm1)
15143 TimeMark *tm2, *tm1;
15145 return 1000L*(tm2->sec - tm1->sec) +
15146 (long) (tm2->ms - tm1->ms);
15151 * Code to manage the game clocks.
15153 * In tournament play, black starts the clock and then white makes a move.
15154 * We give the human user a slight advantage if he is playing white---the
15155 * clocks don't run until he makes his first move, so it takes zero time.
15156 * Also, we don't account for network lag, so we could get out of sync
15157 * with GNU Chess's clock -- but then, referees are always right.
15160 static TimeMark tickStartTM;
15161 static long intendedTickLength;
15164 NextTickLength(timeRemaining)
15165 long timeRemaining;
15167 long nominalTickLength, nextTickLength;
15169 if (timeRemaining > 0L && timeRemaining <= 10000L)
15170 nominalTickLength = 100L;
15172 nominalTickLength = 1000L;
15173 nextTickLength = timeRemaining % nominalTickLength;
15174 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15176 return nextTickLength;
15179 /* Adjust clock one minute up or down */
15181 AdjustClock(Boolean which, int dir)
15183 if(which) blackTimeRemaining += 60000*dir;
15184 else whiteTimeRemaining += 60000*dir;
15185 DisplayBothClocks();
15188 /* Stop clocks and reset to a fresh time control */
15192 (void) StopClockTimer();
15193 if (appData.icsActive) {
15194 whiteTimeRemaining = blackTimeRemaining = 0;
15195 } else if (searchTime) {
15196 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15197 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15198 } else { /* [HGM] correct new time quote for time odds */
15199 whiteTC = blackTC = fullTimeControlString;
15200 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15201 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15203 if (whiteFlag || blackFlag) {
15205 whiteFlag = blackFlag = FALSE;
15207 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15208 DisplayBothClocks();
15211 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15213 /* Decrement running clock by amount of time that has passed */
15217 long timeRemaining;
15218 long lastTickLength, fudge;
15221 if (!appData.clockMode) return;
15222 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15226 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15228 /* Fudge if we woke up a little too soon */
15229 fudge = intendedTickLength - lastTickLength;
15230 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15232 if (WhiteOnMove(forwardMostMove)) {
15233 if(whiteNPS >= 0) lastTickLength = 0;
15234 timeRemaining = whiteTimeRemaining -= lastTickLength;
15235 if(timeRemaining < 0 && !appData.icsActive) {
15236 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15237 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15238 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15239 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15242 DisplayWhiteClock(whiteTimeRemaining - fudge,
15243 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15245 if(blackNPS >= 0) lastTickLength = 0;
15246 timeRemaining = blackTimeRemaining -= lastTickLength;
15247 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15248 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15250 blackStartMove = forwardMostMove;
15251 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15254 DisplayBlackClock(blackTimeRemaining - fudge,
15255 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15257 if (CheckFlags()) return;
15260 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15261 StartClockTimer(intendedTickLength);
15263 /* if the time remaining has fallen below the alarm threshold, sound the
15264 * alarm. if the alarm has sounded and (due to a takeback or time control
15265 * with increment) the time remaining has increased to a level above the
15266 * threshold, reset the alarm so it can sound again.
15269 if (appData.icsActive && appData.icsAlarm) {
15271 /* make sure we are dealing with the user's clock */
15272 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15273 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15276 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15277 alarmSounded = FALSE;
15278 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15280 alarmSounded = TRUE;
15286 /* A player has just moved, so stop the previously running
15287 clock and (if in clock mode) start the other one.
15288 We redisplay both clocks in case we're in ICS mode, because
15289 ICS gives us an update to both clocks after every move.
15290 Note that this routine is called *after* forwardMostMove
15291 is updated, so the last fractional tick must be subtracted
15292 from the color that is *not* on move now.
15295 SwitchClocks(int newMoveNr)
15297 long lastTickLength;
15299 int flagged = FALSE;
15303 if (StopClockTimer() && appData.clockMode) {
15304 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15305 if (!WhiteOnMove(forwardMostMove)) {
15306 if(blackNPS >= 0) lastTickLength = 0;
15307 blackTimeRemaining -= lastTickLength;
15308 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15309 // if(pvInfoList[forwardMostMove].time == -1)
15310 pvInfoList[forwardMostMove].time = // use GUI time
15311 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15313 if(whiteNPS >= 0) lastTickLength = 0;
15314 whiteTimeRemaining -= lastTickLength;
15315 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15316 // if(pvInfoList[forwardMostMove].time == -1)
15317 pvInfoList[forwardMostMove].time =
15318 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15320 flagged = CheckFlags();
15322 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15323 CheckTimeControl();
15325 if (flagged || !appData.clockMode) return;
15327 switch (gameMode) {
15328 case MachinePlaysBlack:
15329 case MachinePlaysWhite:
15330 case BeginningOfGame:
15331 if (pausing) return;
15335 case PlayFromGameFile:
15343 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15344 if(WhiteOnMove(forwardMostMove))
15345 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15346 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15350 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15351 whiteTimeRemaining : blackTimeRemaining);
15352 StartClockTimer(intendedTickLength);
15356 /* Stop both clocks */
15360 long lastTickLength;
15363 if (!StopClockTimer()) return;
15364 if (!appData.clockMode) return;
15368 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15369 if (WhiteOnMove(forwardMostMove)) {
15370 if(whiteNPS >= 0) lastTickLength = 0;
15371 whiteTimeRemaining -= lastTickLength;
15372 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15374 if(blackNPS >= 0) lastTickLength = 0;
15375 blackTimeRemaining -= lastTickLength;
15376 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15381 /* Start clock of player on move. Time may have been reset, so
15382 if clock is already running, stop and restart it. */
15386 (void) StopClockTimer(); /* in case it was running already */
15387 DisplayBothClocks();
15388 if (CheckFlags()) return;
15390 if (!appData.clockMode) return;
15391 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15393 GetTimeMark(&tickStartTM);
15394 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15395 whiteTimeRemaining : blackTimeRemaining);
15397 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15398 whiteNPS = blackNPS = -1;
15399 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15400 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15401 whiteNPS = first.nps;
15402 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15403 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15404 blackNPS = first.nps;
15405 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15406 whiteNPS = second.nps;
15407 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15408 blackNPS = second.nps;
15409 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15411 StartClockTimer(intendedTickLength);
15418 long second, minute, hour, day;
15420 static char buf[32];
15422 if (ms > 0 && ms <= 9900) {
15423 /* convert milliseconds to tenths, rounding up */
15424 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15426 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15430 /* convert milliseconds to seconds, rounding up */
15431 /* use floating point to avoid strangeness of integer division
15432 with negative dividends on many machines */
15433 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15440 day = second / (60 * 60 * 24);
15441 second = second % (60 * 60 * 24);
15442 hour = second / (60 * 60);
15443 second = second % (60 * 60);
15444 minute = second / 60;
15445 second = second % 60;
15448 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15449 sign, day, hour, minute, second);
15451 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15453 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15460 * This is necessary because some C libraries aren't ANSI C compliant yet.
15463 StrStr(string, match)
15464 char *string, *match;
15468 length = strlen(match);
15470 for (i = strlen(string) - length; i >= 0; i--, string++)
15471 if (!strncmp(match, string, length))
15478 StrCaseStr(string, match)
15479 char *string, *match;
15483 length = strlen(match);
15485 for (i = strlen(string) - length; i >= 0; i--, string++) {
15486 for (j = 0; j < length; j++) {
15487 if (ToLower(match[j]) != ToLower(string[j]))
15490 if (j == length) return string;
15504 c1 = ToLower(*s1++);
15505 c2 = ToLower(*s2++);
15506 if (c1 > c2) return 1;
15507 if (c1 < c2) return -1;
15508 if (c1 == NULLCHAR) return 0;
15517 return isupper(c) ? tolower(c) : c;
15525 return islower(c) ? toupper(c) : c;
15527 #endif /* !_amigados */
15535 if ((ret = (char *) malloc(strlen(s) + 1)))
15537 safeStrCpy(ret, s, strlen(s)+1);
15543 StrSavePtr(s, savePtr)
15544 char *s, **savePtr;
15549 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15550 safeStrCpy(*savePtr, s, strlen(s)+1);
15562 clock = time((time_t *)NULL);
15563 tm = localtime(&clock);
15564 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15565 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15566 return StrSave(buf);
15571 PositionToFEN(move, overrideCastling)
15573 char *overrideCastling;
15575 int i, j, fromX, fromY, toX, toY;
15582 whiteToPlay = (gameMode == EditPosition) ?
15583 !blackPlaysFirst : (move % 2 == 0);
15586 /* Piece placement data */
15587 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15589 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15590 if (boards[move][i][j] == EmptySquare) {
15592 } else { ChessSquare piece = boards[move][i][j];
15593 if (emptycount > 0) {
15594 if(emptycount<10) /* [HGM] can be >= 10 */
15595 *p++ = '0' + emptycount;
15596 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15599 if(PieceToChar(piece) == '+') {
15600 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15602 piece = (ChessSquare)(DEMOTED piece);
15604 *p++ = PieceToChar(piece);
15606 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15607 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15612 if (emptycount > 0) {
15613 if(emptycount<10) /* [HGM] can be >= 10 */
15614 *p++ = '0' + emptycount;
15615 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15622 /* [HGM] print Crazyhouse or Shogi holdings */
15623 if( gameInfo.holdingsWidth ) {
15624 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15626 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15627 piece = boards[move][i][BOARD_WIDTH-1];
15628 if( piece != EmptySquare )
15629 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15630 *p++ = PieceToChar(piece);
15632 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15633 piece = boards[move][BOARD_HEIGHT-i-1][0];
15634 if( piece != EmptySquare )
15635 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15636 *p++ = PieceToChar(piece);
15639 if( q == p ) *p++ = '-';
15645 *p++ = whiteToPlay ? 'w' : 'b';
15648 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15649 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15651 if(nrCastlingRights) {
15653 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15654 /* [HGM] write directly from rights */
15655 if(boards[move][CASTLING][2] != NoRights &&
15656 boards[move][CASTLING][0] != NoRights )
15657 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15658 if(boards[move][CASTLING][2] != NoRights &&
15659 boards[move][CASTLING][1] != NoRights )
15660 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15661 if(boards[move][CASTLING][5] != NoRights &&
15662 boards[move][CASTLING][3] != NoRights )
15663 *p++ = boards[move][CASTLING][3] + AAA;
15664 if(boards[move][CASTLING][5] != NoRights &&
15665 boards[move][CASTLING][4] != NoRights )
15666 *p++ = boards[move][CASTLING][4] + AAA;
15669 /* [HGM] write true castling rights */
15670 if( nrCastlingRights == 6 ) {
15671 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15672 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15673 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15674 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15675 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15676 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15677 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15678 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15681 if (q == p) *p++ = '-'; /* No castling rights */
15685 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15686 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15687 /* En passant target square */
15688 if (move > backwardMostMove) {
15689 fromX = moveList[move - 1][0] - AAA;
15690 fromY = moveList[move - 1][1] - ONE;
15691 toX = moveList[move - 1][2] - AAA;
15692 toY = moveList[move - 1][3] - ONE;
15693 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15694 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15695 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15697 /* 2-square pawn move just happened */
15699 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15703 } else if(move == backwardMostMove) {
15704 // [HGM] perhaps we should always do it like this, and forget the above?
15705 if((signed char)boards[move][EP_STATUS] >= 0) {
15706 *p++ = boards[move][EP_STATUS] + AAA;
15707 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15718 /* [HGM] find reversible plies */
15719 { int i = 0, j=move;
15721 if (appData.debugMode) { int k;
15722 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15723 for(k=backwardMostMove; k<=forwardMostMove; k++)
15724 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15728 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15729 if( j == backwardMostMove ) i += initialRulePlies;
15730 sprintf(p, "%d ", i);
15731 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15733 /* Fullmove number */
15734 sprintf(p, "%d", (move / 2) + 1);
15736 return StrSave(buf);
15740 ParseFEN(board, blackPlaysFirst, fen)
15742 int *blackPlaysFirst;
15752 /* [HGM] by default clear Crazyhouse holdings, if present */
15753 if(gameInfo.holdingsWidth) {
15754 for(i=0; i<BOARD_HEIGHT; i++) {
15755 board[i][0] = EmptySquare; /* black holdings */
15756 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15757 board[i][1] = (ChessSquare) 0; /* black counts */
15758 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15762 /* Piece placement data */
15763 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15766 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15767 if (*p == '/') p++;
15768 emptycount = gameInfo.boardWidth - j;
15769 while (emptycount--)
15770 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15772 #if(BOARD_FILES >= 10)
15773 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15774 p++; emptycount=10;
15775 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15776 while (emptycount--)
15777 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15779 } else if (isdigit(*p)) {
15780 emptycount = *p++ - '0';
15781 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15782 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15783 while (emptycount--)
15784 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15785 } else if (*p == '+' || isalpha(*p)) {
15786 if (j >= gameInfo.boardWidth) return FALSE;
15788 piece = CharToPiece(*++p);
15789 if(piece == EmptySquare) return FALSE; /* unknown piece */
15790 piece = (ChessSquare) (PROMOTED piece ); p++;
15791 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15792 } else piece = CharToPiece(*p++);
15794 if(piece==EmptySquare) return FALSE; /* unknown piece */
15795 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15796 piece = (ChessSquare) (PROMOTED piece);
15797 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15800 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15806 while (*p == '/' || *p == ' ') p++;
15808 /* [HGM] look for Crazyhouse holdings here */
15809 while(*p==' ') p++;
15810 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15812 if(*p == '-' ) p++; /* empty holdings */ else {
15813 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15814 /* if we would allow FEN reading to set board size, we would */
15815 /* have to add holdings and shift the board read so far here */
15816 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15818 if((int) piece >= (int) BlackPawn ) {
15819 i = (int)piece - (int)BlackPawn;
15820 i = PieceToNumber((ChessSquare)i);
15821 if( i >= gameInfo.holdingsSize ) return FALSE;
15822 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15823 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15825 i = (int)piece - (int)WhitePawn;
15826 i = PieceToNumber((ChessSquare)i);
15827 if( i >= gameInfo.holdingsSize ) return FALSE;
15828 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15829 board[i][BOARD_WIDTH-2]++; /* black holdings */
15836 while(*p == ' ') p++;
15840 if(appData.colorNickNames) {
15841 if( c == appData.colorNickNames[0] ) c = 'w'; else
15842 if( c == appData.colorNickNames[1] ) c = 'b';
15846 *blackPlaysFirst = FALSE;
15849 *blackPlaysFirst = TRUE;
15855 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15856 /* return the extra info in global variiables */
15858 /* set defaults in case FEN is incomplete */
15859 board[EP_STATUS] = EP_UNKNOWN;
15860 for(i=0; i<nrCastlingRights; i++ ) {
15861 board[CASTLING][i] =
15862 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15863 } /* assume possible unless obviously impossible */
15864 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15865 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15866 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15867 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15868 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15869 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15870 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15871 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15874 while(*p==' ') p++;
15875 if(nrCastlingRights) {
15876 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15877 /* castling indicator present, so default becomes no castlings */
15878 for(i=0; i<nrCastlingRights; i++ ) {
15879 board[CASTLING][i] = NoRights;
15882 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15883 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15884 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15885 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15886 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15888 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15889 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15890 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15892 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15893 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15894 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15895 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15896 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15897 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15900 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15901 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15902 board[CASTLING][2] = whiteKingFile;
15905 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15906 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15907 board[CASTLING][2] = whiteKingFile;
15910 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15911 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15912 board[CASTLING][5] = blackKingFile;
15915 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15916 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15917 board[CASTLING][5] = blackKingFile;
15920 default: /* FRC castlings */
15921 if(c >= 'a') { /* black rights */
15922 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15923 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15924 if(i == BOARD_RGHT) break;
15925 board[CASTLING][5] = i;
15927 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15928 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15930 board[CASTLING][3] = c;
15932 board[CASTLING][4] = c;
15933 } else { /* white rights */
15934 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15935 if(board[0][i] == WhiteKing) break;
15936 if(i == BOARD_RGHT) break;
15937 board[CASTLING][2] = i;
15938 c -= AAA - 'a' + 'A';
15939 if(board[0][c] >= WhiteKing) break;
15941 board[CASTLING][0] = c;
15943 board[CASTLING][1] = c;
15947 for(i=0; i<nrCastlingRights; i++)
15948 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15949 if (appData.debugMode) {
15950 fprintf(debugFP, "FEN castling rights:");
15951 for(i=0; i<nrCastlingRights; i++)
15952 fprintf(debugFP, " %d", board[CASTLING][i]);
15953 fprintf(debugFP, "\n");
15956 while(*p==' ') p++;
15959 /* read e.p. field in games that know e.p. capture */
15960 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15961 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15963 p++; board[EP_STATUS] = EP_NONE;
15965 char c = *p++ - AAA;
15967 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15968 if(*p >= '0' && *p <='9') p++;
15969 board[EP_STATUS] = c;
15974 if(sscanf(p, "%d", &i) == 1) {
15975 FENrulePlies = i; /* 50-move ply counter */
15976 /* (The move number is still ignored) */
15983 EditPositionPasteFEN(char *fen)
15986 Board initial_position;
15988 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15989 DisplayError(_("Bad FEN position in clipboard"), 0);
15992 int savedBlackPlaysFirst = blackPlaysFirst;
15993 EditPositionEvent();
15994 blackPlaysFirst = savedBlackPlaysFirst;
15995 CopyBoard(boards[0], initial_position);
15996 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15997 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15998 DisplayBothClocks();
15999 DrawPosition(FALSE, boards[currentMove]);
16004 static char cseq[12] = "\\ ";
16006 Boolean set_cont_sequence(char *new_seq)
16011 // handle bad attempts to set the sequence
16013 return 0; // acceptable error - no debug
16015 len = strlen(new_seq);
16016 ret = (len > 0) && (len < sizeof(cseq));
16018 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16019 else if (appData.debugMode)
16020 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16025 reformat a source message so words don't cross the width boundary. internal
16026 newlines are not removed. returns the wrapped size (no null character unless
16027 included in source message). If dest is NULL, only calculate the size required
16028 for the dest buffer. lp argument indicats line position upon entry, and it's
16029 passed back upon exit.
16031 int wrap(char *dest, char *src, int count, int width, int *lp)
16033 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16035 cseq_len = strlen(cseq);
16036 old_line = line = *lp;
16037 ansi = len = clen = 0;
16039 for (i=0; i < count; i++)
16041 if (src[i] == '\033')
16044 // if we hit the width, back up
16045 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16047 // store i & len in case the word is too long
16048 old_i = i, old_len = len;
16050 // find the end of the last word
16051 while (i && src[i] != ' ' && src[i] != '\n')
16057 // word too long? restore i & len before splitting it
16058 if ((old_i-i+clen) >= width)
16065 if (i && src[i-1] == ' ')
16068 if (src[i] != ' ' && src[i] != '\n')
16075 // now append the newline and continuation sequence
16080 strncpy(dest+len, cseq, cseq_len);
16088 dest[len] = src[i];
16092 if (src[i] == '\n')
16097 if (dest && appData.debugMode)
16099 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16100 count, width, line, len, *lp);
16101 show_bytes(debugFP, src, count);
16102 fprintf(debugFP, "\ndest: ");
16103 show_bytes(debugFP, dest, len);
16104 fprintf(debugFP, "\n");
16106 *lp = dest ? line : old_line;
16111 // [HGM] vari: routines for shelving variations
16114 PushInner(int firstMove, int lastMove)
16116 int i, j, nrMoves = lastMove - firstMove;
16118 // push current tail of game on stack
16119 savedResult[storedGames] = gameInfo.result;
16120 savedDetails[storedGames] = gameInfo.resultDetails;
16121 gameInfo.resultDetails = NULL;
16122 savedFirst[storedGames] = firstMove;
16123 savedLast [storedGames] = lastMove;
16124 savedFramePtr[storedGames] = framePtr;
16125 framePtr -= nrMoves; // reserve space for the boards
16126 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16127 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16128 for(j=0; j<MOVE_LEN; j++)
16129 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16130 for(j=0; j<2*MOVE_LEN; j++)
16131 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16132 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16133 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16134 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16135 pvInfoList[firstMove+i-1].depth = 0;
16136 commentList[framePtr+i] = commentList[firstMove+i];
16137 commentList[firstMove+i] = NULL;
16141 forwardMostMove = firstMove; // truncate game so we can start variation
16145 PushTail(int firstMove, int lastMove)
16147 if(appData.icsActive) { // only in local mode
16148 forwardMostMove = currentMove; // mimic old ICS behavior
16151 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16153 PushInner(firstMove, lastMove);
16154 if(storedGames == 1) GreyRevert(FALSE);
16158 PopInner(Boolean annotate)
16161 char buf[8000], moveBuf[20];
16164 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16165 nrMoves = savedLast[storedGames] - currentMove;
16168 if(!WhiteOnMove(currentMove))
16169 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16170 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16171 for(i=currentMove; i<forwardMostMove; i++) {
16173 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16174 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16175 strcat(buf, moveBuf);
16176 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16177 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16181 for(i=1; i<=nrMoves; i++) { // copy last variation back
16182 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16183 for(j=0; j<MOVE_LEN; j++)
16184 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16185 for(j=0; j<2*MOVE_LEN; j++)
16186 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16187 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16188 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16189 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16190 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16191 commentList[currentMove+i] = commentList[framePtr+i];
16192 commentList[framePtr+i] = NULL;
16194 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16195 framePtr = savedFramePtr[storedGames];
16196 gameInfo.result = savedResult[storedGames];
16197 if(gameInfo.resultDetails != NULL) {
16198 free(gameInfo.resultDetails);
16200 gameInfo.resultDetails = savedDetails[storedGames];
16201 forwardMostMove = currentMove + nrMoves;
16205 PopTail(Boolean annotate)
16207 if(appData.icsActive) return FALSE; // only in local mode
16208 if(!storedGames) return FALSE; // sanity
16209 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16211 PopInner(annotate);
16213 if(storedGames == 0) GreyRevert(TRUE);
16219 { // remove all shelved variations
16221 for(i=0; i<storedGames; i++) {
16222 if(savedDetails[i])
16223 free(savedDetails[i]);
16224 savedDetails[i] = NULL;
16226 for(i=framePtr; i<MAX_MOVES; i++) {
16227 if(commentList[i]) free(commentList[i]);
16228 commentList[i] = NULL;
16230 framePtr = MAX_MOVES-1;
16235 LoadVariation(int index, char *text)
16236 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16237 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16238 int level = 0, move;
16240 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16241 // first find outermost bracketing variation
16242 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16243 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16244 if(*p == '{') wait = '}'; else
16245 if(*p == '[') wait = ']'; else
16246 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16247 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16249 if(*p == wait) wait = NULLCHAR; // closing ]} found
16252 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16253 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16254 end[1] = NULLCHAR; // clip off comment beyond variation
16255 ToNrEvent(currentMove-1);
16256 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16257 // kludge: use ParsePV() to append variation to game
16258 move = currentMove;
16259 ParsePV(start, TRUE, TRUE);
16260 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16261 ClearPremoveHighlights();
16263 ToNrEvent(currentMove+1);