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 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5297 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5298 CoordsToAlgebraic(boards[endPV - 1],
5299 PosFlags(endPV - 1),
5300 fromY, fromX, toY, toX, promoChar,
5301 parseList[endPV - 1]);
5303 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5304 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5305 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5306 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5307 DrawPosition(TRUE, boards[currentMove]);
5311 MultiPV(ChessProgramState *cps)
5312 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5314 for(i=0; i<cps->nrOptions; i++)
5315 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5321 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5323 int startPV, multi, lineStart, origIndex = index;
5324 char *p, buf2[MSG_SIZ];
5326 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5327 lastX = x; lastY = y;
5328 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5329 lineStart = startPV = index;
5330 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5331 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5333 do{ while(buf[index] && buf[index] != '\n') index++;
5334 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5336 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5337 int n = first.option[multi].value;
5338 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5339 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5340 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5341 first.option[multi].value = n;
5345 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5346 *start = startPV; *end = index-1;
5351 LoadPV(int x, int y)
5352 { // called on right mouse click to load PV
5353 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5354 lastX = x; lastY = y;
5355 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5362 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5363 if(endPV < 0) return;
5365 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5366 Boolean saveAnimate = appData.animate;
5368 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5369 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5370 } else storedGames--; // abandon shelved tail of original game
5373 forwardMostMove = currentMove;
5374 currentMove = oldFMM;
5375 appData.animate = FALSE;
5376 ToNrEvent(forwardMostMove);
5377 appData.animate = saveAnimate;
5379 currentMove = forwardMostMove;
5380 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5381 ClearPremoveHighlights();
5382 DrawPosition(TRUE, boards[currentMove]);
5386 MovePV(int x, int y, int h)
5387 { // step through PV based on mouse coordinates (called on mouse move)
5388 int margin = h>>3, step = 0;
5390 // we must somehow check if right button is still down (might be released off board!)
5391 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5392 if(abs(x - lastX) < 7 && abs(y - lastY) < 7) return;
5393 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5395 lastX = x; lastY = y;
5397 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5398 if(endPV < 0) return;
5399 if(y < margin) step = 1; else
5400 if(y > h - margin) step = -1;
5401 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5402 currentMove += step;
5403 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5404 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5405 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5406 DrawPosition(FALSE, boards[currentMove]);
5410 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5411 // All positions will have equal probability, but the current method will not provide a unique
5412 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5418 int piecesLeft[(int)BlackPawn];
5419 int seed, nrOfShuffles;
5421 void GetPositionNumber()
5422 { // sets global variable seed
5425 seed = appData.defaultFrcPosition;
5426 if(seed < 0) { // randomize based on time for negative FRC position numbers
5427 for(i=0; i<50; i++) seed += random();
5428 seed = random() ^ random() >> 8 ^ random() << 8;
5429 if(seed<0) seed = -seed;
5433 int put(Board board, int pieceType, int rank, int n, int shade)
5434 // put the piece on the (n-1)-th empty squares of the given shade
5438 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5439 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5440 board[rank][i] = (ChessSquare) pieceType;
5441 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5443 piecesLeft[pieceType]--;
5451 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5452 // calculate where the next piece goes, (any empty square), and put it there
5456 i = seed % squaresLeft[shade];
5457 nrOfShuffles *= squaresLeft[shade];
5458 seed /= squaresLeft[shade];
5459 put(board, pieceType, rank, i, shade);
5462 void AddTwoPieces(Board board, int pieceType, int rank)
5463 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5465 int i, n=squaresLeft[ANY], j=n-1, k;
5467 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5468 i = seed % k; // pick one
5471 while(i >= j) i -= j--;
5472 j = n - 1 - j; i += j;
5473 put(board, pieceType, rank, j, ANY);
5474 put(board, pieceType, rank, i, ANY);
5477 void SetUpShuffle(Board board, int number)
5481 GetPositionNumber(); nrOfShuffles = 1;
5483 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5484 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5485 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5487 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5489 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5490 p = (int) board[0][i];
5491 if(p < (int) BlackPawn) piecesLeft[p] ++;
5492 board[0][i] = EmptySquare;
5495 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5496 // shuffles restricted to allow normal castling put KRR first
5497 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5498 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5499 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5500 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5501 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5502 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5503 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5504 put(board, WhiteRook, 0, 0, ANY);
5505 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5508 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5509 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5510 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5511 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5512 while(piecesLeft[p] >= 2) {
5513 AddOnePiece(board, p, 0, LITE);
5514 AddOnePiece(board, p, 0, DARK);
5516 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5519 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5520 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5521 // but we leave King and Rooks for last, to possibly obey FRC restriction
5522 if(p == (int)WhiteRook) continue;
5523 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5524 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5527 // now everything is placed, except perhaps King (Unicorn) and Rooks
5529 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5530 // Last King gets castling rights
5531 while(piecesLeft[(int)WhiteUnicorn]) {
5532 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5533 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5536 while(piecesLeft[(int)WhiteKing]) {
5537 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5538 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5543 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5544 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5547 // Only Rooks can be left; simply place them all
5548 while(piecesLeft[(int)WhiteRook]) {
5549 i = put(board, WhiteRook, 0, 0, ANY);
5550 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5553 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5555 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5558 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5559 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5562 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5565 int SetCharTable( char *table, const char * map )
5566 /* [HGM] moved here from winboard.c because of its general usefulness */
5567 /* Basically a safe strcpy that uses the last character as King */
5569 int result = FALSE; int NrPieces;
5571 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5572 && NrPieces >= 12 && !(NrPieces&1)) {
5573 int i; /* [HGM] Accept even length from 12 to 34 */
5575 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5576 for( i=0; i<NrPieces/2-1; i++ ) {
5578 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5580 table[(int) WhiteKing] = map[NrPieces/2-1];
5581 table[(int) BlackKing] = map[NrPieces-1];
5589 void Prelude(Board board)
5590 { // [HGM] superchess: random selection of exo-pieces
5591 int i, j, k; ChessSquare p;
5592 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5594 GetPositionNumber(); // use FRC position number
5596 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5597 SetCharTable(pieceToChar, appData.pieceToCharTable);
5598 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5599 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5602 j = seed%4; seed /= 4;
5603 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5604 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5605 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5606 j = seed%3 + (seed%3 >= j); seed /= 3;
5607 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5608 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5609 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5610 j = seed%3; seed /= 3;
5611 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5612 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5613 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5614 j = seed%2 + (seed%2 >= j); seed /= 2;
5615 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5616 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5617 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5618 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5619 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5620 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5621 put(board, exoPieces[0], 0, 0, ANY);
5622 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5626 InitPosition(redraw)
5629 ChessSquare (* pieces)[BOARD_FILES];
5630 int i, j, pawnRow, overrule,
5631 oldx = gameInfo.boardWidth,
5632 oldy = gameInfo.boardHeight,
5633 oldh = gameInfo.holdingsWidth;
5636 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5638 /* [AS] Initialize pv info list [HGM] and game status */
5640 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5641 pvInfoList[i].depth = 0;
5642 boards[i][EP_STATUS] = EP_NONE;
5643 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5646 initialRulePlies = 0; /* 50-move counter start */
5648 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5649 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5653 /* [HGM] logic here is completely changed. In stead of full positions */
5654 /* the initialized data only consist of the two backranks. The switch */
5655 /* selects which one we will use, which is than copied to the Board */
5656 /* initialPosition, which for the rest is initialized by Pawns and */
5657 /* empty squares. This initial position is then copied to boards[0], */
5658 /* possibly after shuffling, so that it remains available. */
5660 gameInfo.holdingsWidth = 0; /* default board sizes */
5661 gameInfo.boardWidth = 8;
5662 gameInfo.boardHeight = 8;
5663 gameInfo.holdingsSize = 0;
5664 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5665 for(i=0; i<BOARD_FILES-2; i++)
5666 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5667 initialPosition[EP_STATUS] = EP_NONE;
5668 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5669 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5670 SetCharTable(pieceNickName, appData.pieceNickNames);
5671 else SetCharTable(pieceNickName, "............");
5674 switch (gameInfo.variant) {
5675 case VariantFischeRandom:
5676 shuffleOpenings = TRUE;
5679 case VariantShatranj:
5680 pieces = ShatranjArray;
5681 nrCastlingRights = 0;
5682 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5685 pieces = makrukArray;
5686 nrCastlingRights = 0;
5687 startedFromSetupPosition = TRUE;
5688 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5690 case VariantTwoKings:
5691 pieces = twoKingsArray;
5693 case VariantCapaRandom:
5694 shuffleOpenings = TRUE;
5695 case VariantCapablanca:
5696 pieces = CapablancaArray;
5697 gameInfo.boardWidth = 10;
5698 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5701 pieces = GothicArray;
5702 gameInfo.boardWidth = 10;
5703 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5706 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5707 gameInfo.holdingsSize = 7;
5710 pieces = JanusArray;
5711 gameInfo.boardWidth = 10;
5712 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5713 nrCastlingRights = 6;
5714 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5715 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5716 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5717 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5718 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5719 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5722 pieces = FalconArray;
5723 gameInfo.boardWidth = 10;
5724 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5726 case VariantXiangqi:
5727 pieces = XiangqiArray;
5728 gameInfo.boardWidth = 9;
5729 gameInfo.boardHeight = 10;
5730 nrCastlingRights = 0;
5731 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5734 pieces = ShogiArray;
5735 gameInfo.boardWidth = 9;
5736 gameInfo.boardHeight = 9;
5737 gameInfo.holdingsSize = 7;
5738 nrCastlingRights = 0;
5739 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5741 case VariantCourier:
5742 pieces = CourierArray;
5743 gameInfo.boardWidth = 12;
5744 nrCastlingRights = 0;
5745 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5747 case VariantKnightmate:
5748 pieces = KnightmateArray;
5749 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5751 case VariantSpartan:
5752 pieces = SpartanArray;
5753 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5756 pieces = fairyArray;
5757 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5760 pieces = GreatArray;
5761 gameInfo.boardWidth = 10;
5762 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5763 gameInfo.holdingsSize = 8;
5767 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5768 gameInfo.holdingsSize = 8;
5769 startedFromSetupPosition = TRUE;
5771 case VariantCrazyhouse:
5772 case VariantBughouse:
5774 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5775 gameInfo.holdingsSize = 5;
5777 case VariantWildCastle:
5779 /* !!?shuffle with kings guaranteed to be on d or e file */
5780 shuffleOpenings = 1;
5782 case VariantNoCastle:
5784 nrCastlingRights = 0;
5785 /* !!?unconstrained back-rank shuffle */
5786 shuffleOpenings = 1;
5791 if(appData.NrFiles >= 0) {
5792 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5793 gameInfo.boardWidth = appData.NrFiles;
5795 if(appData.NrRanks >= 0) {
5796 gameInfo.boardHeight = appData.NrRanks;
5798 if(appData.holdingsSize >= 0) {
5799 i = appData.holdingsSize;
5800 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5801 gameInfo.holdingsSize = i;
5803 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5804 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5805 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5807 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5808 if(pawnRow < 1) pawnRow = 1;
5809 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5811 /* User pieceToChar list overrules defaults */
5812 if(appData.pieceToCharTable != NULL)
5813 SetCharTable(pieceToChar, appData.pieceToCharTable);
5815 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5817 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5818 s = (ChessSquare) 0; /* account holding counts in guard band */
5819 for( i=0; i<BOARD_HEIGHT; i++ )
5820 initialPosition[i][j] = s;
5822 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5823 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5824 initialPosition[pawnRow][j] = WhitePawn;
5825 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5826 if(gameInfo.variant == VariantXiangqi) {
5828 initialPosition[pawnRow][j] =
5829 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5830 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5831 initialPosition[2][j] = WhiteCannon;
5832 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5836 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5838 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5841 initialPosition[1][j] = WhiteBishop;
5842 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5844 initialPosition[1][j] = WhiteRook;
5845 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5848 if( nrCastlingRights == -1) {
5849 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5850 /* This sets default castling rights from none to normal corners */
5851 /* Variants with other castling rights must set them themselves above */
5852 nrCastlingRights = 6;
5854 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5855 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5856 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5857 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5858 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5859 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5862 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5863 if(gameInfo.variant == VariantGreat) { // promotion commoners
5864 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5865 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5866 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5867 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5869 if( gameInfo.variant == VariantSChess ) {
5870 initialPosition[1][0] = BlackMarshall;
5871 initialPosition[2][0] = BlackAngel;
5872 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5873 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5874 initialPosition[1][1] = initialPosition[2][1] =
5875 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5877 if (appData.debugMode) {
5878 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5880 if(shuffleOpenings) {
5881 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5882 startedFromSetupPosition = TRUE;
5884 if(startedFromPositionFile) {
5885 /* [HGM] loadPos: use PositionFile for every new game */
5886 CopyBoard(initialPosition, filePosition);
5887 for(i=0; i<nrCastlingRights; i++)
5888 initialRights[i] = filePosition[CASTLING][i];
5889 startedFromSetupPosition = TRUE;
5892 CopyBoard(boards[0], initialPosition);
5894 if(oldx != gameInfo.boardWidth ||
5895 oldy != gameInfo.boardHeight ||
5896 oldv != gameInfo.variant ||
5897 oldh != gameInfo.holdingsWidth
5899 InitDrawingSizes(-2 ,0);
5901 oldv = gameInfo.variant;
5903 DrawPosition(TRUE, boards[currentMove]);
5907 SendBoard(cps, moveNum)
5908 ChessProgramState *cps;
5911 char message[MSG_SIZ];
5913 if (cps->useSetboard) {
5914 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5915 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5916 SendToProgram(message, cps);
5922 /* Kludge to set black to move, avoiding the troublesome and now
5923 * deprecated "black" command.
5925 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5926 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5928 SendToProgram("edit\n", cps);
5929 SendToProgram("#\n", cps);
5930 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5931 bp = &boards[moveNum][i][BOARD_LEFT];
5932 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5933 if ((int) *bp < (int) BlackPawn) {
5934 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5936 if(message[0] == '+' || message[0] == '~') {
5937 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5938 PieceToChar((ChessSquare)(DEMOTED *bp)),
5941 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5942 message[1] = BOARD_RGHT - 1 - j + '1';
5943 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5945 SendToProgram(message, cps);
5950 SendToProgram("c\n", cps);
5951 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5952 bp = &boards[moveNum][i][BOARD_LEFT];
5953 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5954 if (((int) *bp != (int) EmptySquare)
5955 && ((int) *bp >= (int) BlackPawn)) {
5956 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5958 if(message[0] == '+' || message[0] == '~') {
5959 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5960 PieceToChar((ChessSquare)(DEMOTED *bp)),
5963 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5964 message[1] = BOARD_RGHT - 1 - j + '1';
5965 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5967 SendToProgram(message, cps);
5972 SendToProgram(".\n", cps);
5974 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5978 DefaultPromoChoice(int white)
5981 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5982 result = WhiteFerz; // no choice
5983 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
5984 result= WhiteKing; // in Suicide Q is the last thing we want
5985 else if(gameInfo.variant == VariantSpartan)
5986 result = white ? WhiteQueen : WhiteAngel;
5987 else result = WhiteQueen;
5988 if(!white) result = WHITE_TO_BLACK result;
5992 static int autoQueen; // [HGM] oneclick
5995 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5997 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5998 /* [HGM] add Shogi promotions */
5999 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6004 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6005 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6007 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6008 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6011 piece = boards[currentMove][fromY][fromX];
6012 if(gameInfo.variant == VariantShogi) {
6013 promotionZoneSize = BOARD_HEIGHT/3;
6014 highestPromotingPiece = (int)WhiteFerz;
6015 } else if(gameInfo.variant == VariantMakruk) {
6016 promotionZoneSize = 3;
6019 // Treat Lance as Pawn when it is not representing Amazon
6020 if(gameInfo.variant != VariantSuper) {
6021 if(piece == WhiteLance) piece = WhitePawn; else
6022 if(piece == BlackLance) piece = BlackPawn;
6025 // next weed out all moves that do not touch the promotion zone at all
6026 if((int)piece >= BlackPawn) {
6027 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6029 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6031 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6032 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6035 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6037 // weed out mandatory Shogi promotions
6038 if(gameInfo.variant == VariantShogi) {
6039 if(piece >= BlackPawn) {
6040 if(toY == 0 && piece == BlackPawn ||
6041 toY == 0 && piece == BlackQueen ||
6042 toY <= 1 && piece == BlackKnight) {
6047 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6048 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6049 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6056 // weed out obviously illegal Pawn moves
6057 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6058 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6059 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6060 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6061 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6062 // note we are not allowed to test for valid (non-)capture, due to premove
6065 // we either have a choice what to promote to, or (in Shogi) whether to promote
6066 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6067 *promoChoice = PieceToChar(BlackFerz); // no choice
6070 // no sense asking what we must promote to if it is going to explode...
6071 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6072 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6075 // give caller the default choice even if we will not make it
6076 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6077 if(gameInfo.variant == VariantShogi) *promoChoice = '+';
6078 if(appData.sweepSelect && gameInfo.variant != VariantGreat
6079 && gameInfo.variant != VariantShogi
6080 && gameInfo.variant != VariantSuper) return FALSE;
6081 if(autoQueen) return FALSE; // predetermined
6083 // suppress promotion popup on illegal moves that are not premoves
6084 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6085 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6086 if(appData.testLegality && !premove) {
6087 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6088 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6089 if(moveType != WhitePromotion && moveType != BlackPromotion)
6097 InPalace(row, column)
6099 { /* [HGM] for Xiangqi */
6100 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6101 column < (BOARD_WIDTH + 4)/2 &&
6102 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6107 PieceForSquare (x, y)
6111 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6114 return boards[currentMove][y][x];
6118 OKToStartUserMove(x, y)
6121 ChessSquare from_piece;
6124 if (matchMode) return FALSE;
6125 if (gameMode == EditPosition) return TRUE;
6127 if (x >= 0 && y >= 0)
6128 from_piece = boards[currentMove][y][x];
6130 from_piece = EmptySquare;
6132 if (from_piece == EmptySquare) return FALSE;
6134 white_piece = (int)from_piece >= (int)WhitePawn &&
6135 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6138 case PlayFromGameFile:
6140 case TwoMachinesPlay:
6148 case MachinePlaysWhite:
6149 case IcsPlayingBlack:
6150 if (appData.zippyPlay) return FALSE;
6152 DisplayMoveError(_("You are playing Black"));
6157 case MachinePlaysBlack:
6158 case IcsPlayingWhite:
6159 if (appData.zippyPlay) return FALSE;
6161 DisplayMoveError(_("You are playing White"));
6167 if (!white_piece && WhiteOnMove(currentMove)) {
6168 DisplayMoveError(_("It is White's turn"));
6171 if (white_piece && !WhiteOnMove(currentMove)) {
6172 DisplayMoveError(_("It is Black's turn"));
6175 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6176 /* Editing correspondence game history */
6177 /* Could disallow this or prompt for confirmation */
6182 case BeginningOfGame:
6183 if (appData.icsActive) return FALSE;
6184 if (!appData.noChessProgram) {
6186 DisplayMoveError(_("You are playing White"));
6193 if (!white_piece && WhiteOnMove(currentMove)) {
6194 DisplayMoveError(_("It is White's turn"));
6197 if (white_piece && !WhiteOnMove(currentMove)) {
6198 DisplayMoveError(_("It is Black's turn"));
6207 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6208 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6209 && gameMode != AnalyzeFile && gameMode != Training) {
6210 DisplayMoveError(_("Displayed position is not current"));
6217 OnlyMove(int *x, int *y, Boolean captures) {
6218 DisambiguateClosure cl;
6219 if (appData.zippyPlay) return FALSE;
6221 case MachinePlaysBlack:
6222 case IcsPlayingWhite:
6223 case BeginningOfGame:
6224 if(!WhiteOnMove(currentMove)) return FALSE;
6226 case MachinePlaysWhite:
6227 case IcsPlayingBlack:
6228 if(WhiteOnMove(currentMove)) 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) {
6252 if(cl.kind != ImpossibleMove) return FALSE;
6253 cl.pieceIn = EmptySquare;
6258 cl.promoCharIn = NULLCHAR;
6259 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6260 if( cl.kind == NormalMove ||
6261 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6262 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6263 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6268 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6274 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6275 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6276 int lastLoadGameUseList = FALSE;
6277 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6278 ChessMove lastLoadGameStart = EndOfFile;
6281 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6282 int fromX, fromY, toX, toY;
6286 ChessSquare pdown, pup;
6288 /* Check if the user is playing in turn. This is complicated because we
6289 let the user "pick up" a piece before it is his turn. So the piece he
6290 tried to pick up may have been captured by the time he puts it down!
6291 Therefore we use the color the user is supposed to be playing in this
6292 test, not the color of the piece that is currently on the starting
6293 square---except in EditGame mode, where the user is playing both
6294 sides; fortunately there the capture race can't happen. (It can
6295 now happen in IcsExamining mode, but that's just too bad. The user
6296 will get a somewhat confusing message in that case.)
6300 case PlayFromGameFile:
6302 case TwoMachinesPlay:
6306 /* We switched into a game mode where moves are not accepted,
6307 perhaps while the mouse button was down. */
6310 case MachinePlaysWhite:
6311 /* User is moving for Black */
6312 if (WhiteOnMove(currentMove)) {
6313 DisplayMoveError(_("It is White's turn"));
6318 case MachinePlaysBlack:
6319 /* User is moving for White */
6320 if (!WhiteOnMove(currentMove)) {
6321 DisplayMoveError(_("It is Black's turn"));
6328 case BeginningOfGame:
6331 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6332 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6333 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6334 /* User is moving for Black */
6335 if (WhiteOnMove(currentMove)) {
6336 DisplayMoveError(_("It is White's turn"));
6340 /* User is moving for White */
6341 if (!WhiteOnMove(currentMove)) {
6342 DisplayMoveError(_("It is Black's turn"));
6348 case IcsPlayingBlack:
6349 /* User is moving for Black */
6350 if (WhiteOnMove(currentMove)) {
6351 if (!appData.premove) {
6352 DisplayMoveError(_("It is White's turn"));
6353 } else if (toX >= 0 && toY >= 0) {
6356 premoveFromX = fromX;
6357 premoveFromY = fromY;
6358 premovePromoChar = promoChar;
6360 if (appData.debugMode)
6361 fprintf(debugFP, "Got premove: fromX %d,"
6362 "fromY %d, toX %d, toY %d\n",
6363 fromX, fromY, toX, toY);
6369 case IcsPlayingWhite:
6370 /* User is moving for White */
6371 if (!WhiteOnMove(currentMove)) {
6372 if (!appData.premove) {
6373 DisplayMoveError(_("It is Black's turn"));
6374 } else if (toX >= 0 && toY >= 0) {
6377 premoveFromX = fromX;
6378 premoveFromY = fromY;
6379 premovePromoChar = promoChar;
6381 if (appData.debugMode)
6382 fprintf(debugFP, "Got premove: fromX %d,"
6383 "fromY %d, toX %d, toY %d\n",
6384 fromX, fromY, toX, toY);
6394 /* EditPosition, empty square, or different color piece;
6395 click-click move is possible */
6396 if (toX == -2 || toY == -2) {
6397 boards[0][fromY][fromX] = EmptySquare;
6398 DrawPosition(FALSE, boards[currentMove]);
6400 } else if (toX >= 0 && toY >= 0) {
6401 boards[0][toY][toX] = boards[0][fromY][fromX];
6402 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6403 if(boards[0][fromY][0] != EmptySquare) {
6404 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6405 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6408 if(fromX == BOARD_RGHT+1) {
6409 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6410 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6411 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6414 boards[0][fromY][fromX] = EmptySquare;
6415 DrawPosition(FALSE, boards[currentMove]);
6421 if(toX < 0 || toY < 0) return;
6422 pdown = boards[currentMove][fromY][fromX];
6423 pup = boards[currentMove][toY][toX];
6425 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6426 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6427 if( pup != EmptySquare ) return;
6428 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6429 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6430 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6431 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6432 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6433 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6434 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6438 /* [HGM] always test for legality, to get promotion info */
6439 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6440 fromY, fromX, toY, toX, promoChar);
6441 /* [HGM] but possibly ignore an IllegalMove result */
6442 if (appData.testLegality) {
6443 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6444 DisplayMoveError(_("Illegal move"));
6449 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6452 /* Common tail of UserMoveEvent and DropMenuEvent */
6454 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6456 int fromX, fromY, toX, toY;
6457 /*char*/int promoChar;
6461 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6462 // [HGM] superchess: suppress promotions to non-available piece
6463 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6464 if(WhiteOnMove(currentMove)) {
6465 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6467 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6471 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6472 move type in caller when we know the move is a legal promotion */
6473 if(moveType == NormalMove && promoChar)
6474 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6476 /* [HGM] <popupFix> The following if has been moved here from
6477 UserMoveEvent(). Because it seemed to belong here (why not allow
6478 piece drops in training games?), and because it can only be
6479 performed after it is known to what we promote. */
6480 if (gameMode == Training) {
6481 /* compare the move played on the board to the next move in the
6482 * game. If they match, display the move and the opponent's response.
6483 * If they don't match, display an error message.
6487 CopyBoard(testBoard, boards[currentMove]);
6488 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6490 if (CompareBoards(testBoard, boards[currentMove+1])) {
6491 ForwardInner(currentMove+1);
6493 /* Autoplay the opponent's response.
6494 * if appData.animate was TRUE when Training mode was entered,
6495 * the response will be animated.
6497 saveAnimate = appData.animate;
6498 appData.animate = animateTraining;
6499 ForwardInner(currentMove+1);
6500 appData.animate = saveAnimate;
6502 /* check for the end of the game */
6503 if (currentMove >= forwardMostMove) {
6504 gameMode = PlayFromGameFile;
6506 SetTrainingModeOff();
6507 DisplayInformation(_("End of game"));
6510 DisplayError(_("Incorrect move"), 0);
6515 /* Ok, now we know that the move is good, so we can kill
6516 the previous line in Analysis Mode */
6517 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6518 && currentMove < forwardMostMove) {
6519 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6520 else forwardMostMove = currentMove;
6523 /* If we need the chess program but it's dead, restart it */
6524 ResurrectChessProgram();
6526 /* A user move restarts a paused game*/
6530 thinkOutput[0] = NULLCHAR;
6532 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6534 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6535 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6539 if (gameMode == BeginningOfGame) {
6540 if (appData.noChessProgram) {
6541 gameMode = EditGame;
6545 gameMode = MachinePlaysBlack;
6548 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6550 if (first.sendName) {
6551 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6552 SendToProgram(buf, &first);
6559 /* Relay move to ICS or chess engine */
6560 if (appData.icsActive) {
6561 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6562 gameMode == IcsExamining) {
6563 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6564 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6566 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6568 // also send plain move, in case ICS does not understand atomic claims
6569 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6573 if (first.sendTime && (gameMode == BeginningOfGame ||
6574 gameMode == MachinePlaysWhite ||
6575 gameMode == MachinePlaysBlack)) {
6576 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6578 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6579 // [HGM] book: if program might be playing, let it use book
6580 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6581 first.maybeThinking = TRUE;
6582 } else SendMoveToProgram(forwardMostMove-1, &first);
6583 if (currentMove == cmailOldMove + 1) {
6584 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6588 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6592 if(appData.testLegality)
6593 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6599 if (WhiteOnMove(currentMove)) {
6600 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6602 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6606 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6611 case MachinePlaysBlack:
6612 case MachinePlaysWhite:
6613 /* disable certain menu options while machine is thinking */
6614 SetMachineThinkingEnables();
6621 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6622 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6624 if(bookHit) { // [HGM] book: simulate book reply
6625 static char bookMove[MSG_SIZ]; // a bit generous?
6627 programStats.nodes = programStats.depth = programStats.time =
6628 programStats.score = programStats.got_only_move = 0;
6629 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6631 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6632 strcat(bookMove, bookHit);
6633 HandleMachineMove(bookMove, &first);
6639 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6646 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6647 Markers *m = (Markers *) closure;
6648 if(rf == fromY && ff == fromX)
6649 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6650 || kind == WhiteCapturesEnPassant
6651 || kind == BlackCapturesEnPassant);
6652 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6656 MarkTargetSquares(int clear)
6659 if(!appData.markers || !appData.highlightDragging ||
6660 !appData.testLegality || gameMode == EditPosition) return;
6662 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6665 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6666 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6667 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6669 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6672 DrawPosition(TRUE, NULL);
6676 Explode(Board board, int fromX, int fromY, int toX, int toY)
6678 if(gameInfo.variant == VariantAtomic &&
6679 (board[toY][toX] != EmptySquare || // capture?
6680 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6681 board[fromY][fromX] == BlackPawn )
6683 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6689 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6691 int CanPromote(ChessSquare piece, int y)
6693 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6694 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6695 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6696 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6697 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6698 gameInfo.variant == VariantMakruk) return FALSE;
6699 return (piece == BlackPawn && y == 1 ||
6700 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6701 piece == BlackLance && y == 1 ||
6702 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6705 void LeftClick(ClickType clickType, int xPix, int yPix)
6708 Boolean saveAnimate;
6709 static int second = 0, promotionChoice = 0, clearFlag = 0;
6710 char promoChoice = NULLCHAR;
6713 if(appData.seekGraph && appData.icsActive && loggedOn &&
6714 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6715 SeekGraphClick(clickType, xPix, yPix, 0);
6719 if (clickType == Press) ErrorPopDown();
6720 MarkTargetSquares(1);
6722 x = EventToSquare(xPix, BOARD_WIDTH);
6723 y = EventToSquare(yPix, BOARD_HEIGHT);
6724 if (!flipView && y >= 0) {
6725 y = BOARD_HEIGHT - 1 - y;
6727 if (flipView && x >= 0) {
6728 x = BOARD_WIDTH - 1 - x;
6731 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6732 defaultPromoChoice = promoSweep;
6733 promoSweep = EmptySquare; // terminate sweep
6734 promoDefaultAltered = TRUE;
6735 if(!selectFlag) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6738 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6739 if(clickType == Release) return; // ignore upclick of click-click destination
6740 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6741 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6742 if(gameInfo.holdingsWidth &&
6743 (WhiteOnMove(currentMove)
6744 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6745 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6746 // click in right holdings, for determining promotion piece
6747 ChessSquare p = boards[currentMove][y][x];
6748 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6749 if(p != EmptySquare) {
6750 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6755 DrawPosition(FALSE, boards[currentMove]);
6759 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6760 if(clickType == Press
6761 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6762 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6763 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6766 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6767 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6769 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6770 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6771 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6772 defaultPromoChoice = DefaultPromoChoice(side);
6775 autoQueen = appData.alwaysPromoteToQueen;
6779 gatingPiece = EmptySquare;
6780 if (clickType != Press) {
6781 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6782 DragPieceEnd(xPix, yPix); dragging = 0;
6783 DrawPosition(FALSE, NULL);
6787 fromX = x; fromY = y;
6788 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6789 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6790 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6792 if (OKToStartUserMove(fromX, fromY)) {
6794 MarkTargetSquares(0);
6795 DragPieceBegin(xPix, yPix); dragging = 1;
6796 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6797 promoSweep = defaultPromoChoice;
6798 selectFlag = 0; lastX = xPix; lastY = yPix;
6799 Sweep(0); // Pawn that is going to promote: preview promotion piece
6800 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6802 if (appData.highlightDragging) {
6803 SetHighlights(fromX, fromY, -1, -1);
6805 } else fromX = fromY = -1;
6811 if (clickType == Press && gameMode != EditPosition) {
6816 // ignore off-board to clicks
6817 if(y < 0 || x < 0) return;
6819 /* Check if clicking again on the same color piece */
6820 fromP = boards[currentMove][fromY][fromX];
6821 toP = boards[currentMove][y][x];
6822 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6823 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6824 WhitePawn <= toP && toP <= WhiteKing &&
6825 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6826 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6827 (BlackPawn <= fromP && fromP <= BlackKing &&
6828 BlackPawn <= toP && toP <= BlackKing &&
6829 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6830 !(fromP == BlackKing && toP == BlackRook && frc))) {
6831 /* Clicked again on same color piece -- changed his mind */
6832 second = (x == fromX && y == fromY);
6833 promoDefaultAltered = FALSE;
6834 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6835 if (appData.highlightDragging) {
6836 SetHighlights(x, y, -1, -1);
6840 if (OKToStartUserMove(x, y)) {
6841 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6842 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6843 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6844 gatingPiece = boards[currentMove][fromY][fromX];
6845 else gatingPiece = EmptySquare;
6847 fromY = y; dragging = 1;
6848 MarkTargetSquares(0);
6849 DragPieceBegin(xPix, yPix);
6850 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6851 promoSweep = defaultPromoChoice;
6852 selectFlag = 0; lastX = xPix; lastY = yPix;
6853 Sweep(0); // Pawn that is going to promote: preview promotion piece
6857 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6860 // ignore clicks on holdings
6861 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6864 if (clickType == Release && x == fromX && y == fromY) {
6865 DragPieceEnd(xPix, yPix); dragging = 0;
6867 // a deferred attempt to click-click move an empty square on top of a piece
6868 boards[currentMove][y][x] = EmptySquare;
6870 DrawPosition(FALSE, boards[currentMove]);
6871 fromX = fromY = -1; clearFlag = 0;
6874 if (appData.animateDragging) {
6875 /* Undo animation damage if any */
6876 DrawPosition(FALSE, NULL);
6879 /* Second up/down in same square; just abort move */
6882 gatingPiece = EmptySquare;
6885 ClearPremoveHighlights();
6887 /* First upclick in same square; start click-click mode */
6888 SetHighlights(x, y, -1, -1);
6895 /* we now have a different from- and (possibly off-board) to-square */
6896 /* Completed move */
6899 saveAnimate = appData.animate;
6900 if (clickType == Press) {
6901 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
6902 // must be Edit Position mode with empty-square selected
6903 fromX = x; fromY = y; DragPieceBegin(xPix, yPix); dragging = 1; // consider this a new attempt to drag
6904 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
6907 /* Finish clickclick move */
6908 if (appData.animate || appData.highlightLastMove) {
6909 SetHighlights(fromX, fromY, toX, toY);
6914 /* Finish drag move */
6915 if (appData.highlightLastMove) {
6916 SetHighlights(fromX, fromY, toX, toY);
6920 DragPieceEnd(xPix, yPix); dragging = 0;
6921 /* Don't animate move and drag both */
6922 appData.animate = FALSE;
6925 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6926 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6927 ChessSquare piece = boards[currentMove][fromY][fromX];
6928 if(gameMode == EditPosition && piece != EmptySquare &&
6929 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6932 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6933 n = PieceToNumber(piece - (int)BlackPawn);
6934 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6935 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6936 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6938 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6939 n = PieceToNumber(piece);
6940 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6941 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6942 boards[currentMove][n][BOARD_WIDTH-2]++;
6944 boards[currentMove][fromY][fromX] = EmptySquare;
6948 DrawPosition(TRUE, boards[currentMove]);
6952 // off-board moves should not be highlighted
6953 if(x < 0 || y < 0) ClearHighlights();
6955 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6957 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6958 SetHighlights(fromX, fromY, toX, toY);
6959 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6960 // [HGM] super: promotion to captured piece selected from holdings
6961 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6962 promotionChoice = TRUE;
6963 // kludge follows to temporarily execute move on display, without promoting yet
6964 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6965 boards[currentMove][toY][toX] = p;
6966 DrawPosition(FALSE, boards[currentMove]);
6967 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6968 boards[currentMove][toY][toX] = q;
6969 DisplayMessage("Click in holdings to choose piece", "");
6974 int oldMove = currentMove;
6975 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6976 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6977 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6978 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6979 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6980 DrawPosition(TRUE, boards[currentMove]);
6983 appData.animate = saveAnimate;
6984 if (appData.animate || appData.animateDragging) {
6985 /* Undo animation damage if needed */
6986 DrawPosition(FALSE, NULL);
6990 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6991 { // front-end-free part taken out of PieceMenuPopup
6992 int whichMenu; int xSqr, ySqr;
6994 if(seekGraphUp) { // [HGM] seekgraph
6995 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6996 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7000 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7001 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7002 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7003 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7004 if(action == Press) {
7005 originalFlip = flipView;
7006 flipView = !flipView; // temporarily flip board to see game from partners perspective
7007 DrawPosition(TRUE, partnerBoard);
7008 DisplayMessage(partnerStatus, "");
7010 } else if(action == Release) {
7011 flipView = originalFlip;
7012 DrawPosition(TRUE, boards[currentMove]);
7018 xSqr = EventToSquare(x, BOARD_WIDTH);
7019 ySqr = EventToSquare(y, BOARD_HEIGHT);
7020 if (action == Release) {
7021 if(pieceSweep != EmptySquare) {
7022 EditPositionMenuEvent(pieceSweep, toX, toY);
7023 pieceSweep = EmptySquare;
7024 } else UnLoadPV(); // [HGM] pv
7026 if (action != Press) return -2; // return code to be ignored
7029 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
7031 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
7032 if (xSqr < 0 || ySqr < 0) return -1;
7033 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7034 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7035 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7036 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7040 if(!appData.icsEngineAnalyze) return -1;
7041 case IcsPlayingWhite:
7042 case IcsPlayingBlack:
7043 if(!appData.zippyPlay) goto noZip;
7046 case MachinePlaysWhite:
7047 case MachinePlaysBlack:
7048 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7049 if (!appData.dropMenu) {
7051 return 2; // flag front-end to grab mouse events
7053 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7054 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7057 if (xSqr < 0 || ySqr < 0) return -1;
7058 if (!appData.dropMenu || appData.testLegality &&
7059 gameInfo.variant != VariantBughouse &&
7060 gameInfo.variant != VariantCrazyhouse) return -1;
7061 whichMenu = 1; // drop menu
7067 if (((*fromX = xSqr) < 0) ||
7068 ((*fromY = ySqr) < 0)) {
7069 *fromX = *fromY = -1;
7073 *fromX = BOARD_WIDTH - 1 - *fromX;
7075 *fromY = BOARD_HEIGHT - 1 - *fromY;
7080 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7082 // char * hint = lastHint;
7083 FrontEndProgramStats stats;
7085 stats.which = cps == &first ? 0 : 1;
7086 stats.depth = cpstats->depth;
7087 stats.nodes = cpstats->nodes;
7088 stats.score = cpstats->score;
7089 stats.time = cpstats->time;
7090 stats.pv = cpstats->movelist;
7091 stats.hint = lastHint;
7092 stats.an_move_index = 0;
7093 stats.an_move_count = 0;
7095 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7096 stats.hint = cpstats->move_name;
7097 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7098 stats.an_move_count = cpstats->nr_moves;
7101 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
7103 SetProgramStats( &stats );
7106 #define MAXPLAYERS 500
7109 TourneyStandings(int display)
7111 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7112 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7113 char result, *p, *names[MAXPLAYERS];
7115 names[0] = p = strdup(appData.participants);
7116 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7118 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7120 while(result = appData.results[nr]) {
7121 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7122 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7123 wScore = bScore = 0;
7125 case '+': wScore = 2; break;
7126 case '-': bScore = 2; break;
7127 case '=': wScore = bScore = 1; break;
7129 case '*': return strdup("busy"); // tourney not finished
7137 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7138 for(w=0; w<nPlayers; w++) {
7140 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7141 ranking[w] = b; points[w] = bScore; score[b] = -2;
7143 p = malloc(nPlayers*34+1);
7144 for(w=0; w<nPlayers && w<display; w++)
7145 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7151 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7152 { // count all piece types
7154 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7155 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7156 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7159 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7160 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7161 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7162 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7163 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7164 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7169 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7171 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7172 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7174 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7175 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7176 if(myPawns == 2 && nMine == 3) // KPP
7177 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7178 if(myPawns == 1 && nMine == 2) // KP
7179 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7180 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7181 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7182 if(myPawns) return FALSE;
7183 if(pCnt[WhiteRook+side])
7184 return pCnt[BlackRook-side] ||
7185 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7186 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7187 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7188 if(pCnt[WhiteCannon+side]) {
7189 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7190 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7192 if(pCnt[WhiteKnight+side])
7193 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7198 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7200 VariantClass v = gameInfo.variant;
7202 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7203 if(v == VariantShatranj) return TRUE; // always winnable through baring
7204 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7205 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7207 if(v == VariantXiangqi) {
7208 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7210 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7211 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7212 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7213 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7214 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7215 if(stale) // we have at least one last-rank P plus perhaps C
7216 return majors // KPKX
7217 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7219 return pCnt[WhiteFerz+side] // KCAK
7220 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7221 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7222 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7224 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7225 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7227 if(nMine == 1) return FALSE; // bare King
7228 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
7229 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7230 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7231 // by now we have King + 1 piece (or multiple Bishops on the same color)
7232 if(pCnt[WhiteKnight+side])
7233 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7234 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7235 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7237 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7238 if(pCnt[WhiteAlfil+side])
7239 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7240 if(pCnt[WhiteWazir+side])
7241 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7248 Adjudicate(ChessProgramState *cps)
7249 { // [HGM] some adjudications useful with buggy engines
7250 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7251 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7252 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7253 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7254 int k, count = 0; static int bare = 1;
7255 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7256 Boolean canAdjudicate = !appData.icsActive;
7258 // most tests only when we understand the game, i.e. legality-checking on
7259 if( appData.testLegality )
7260 { /* [HGM] Some more adjudications for obstinate engines */
7261 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7262 static int moveCount = 6;
7264 char *reason = NULL;
7266 /* Count what is on board. */
7267 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7269 /* Some material-based adjudications that have to be made before stalemate test */
7270 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7271 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7272 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7273 if(canAdjudicate && appData.checkMates) {
7275 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7276 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7277 "Xboard adjudication: King destroyed", GE_XBOARD );
7282 /* Bare King in Shatranj (loses) or Losers (wins) */
7283 if( nrW == 1 || nrB == 1) {
7284 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7285 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7286 if(canAdjudicate && appData.checkMates) {
7288 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7289 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7290 "Xboard adjudication: Bare king", GE_XBOARD );
7294 if( gameInfo.variant == VariantShatranj && --bare < 0)
7296 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7297 if(canAdjudicate && appData.checkMates) {
7298 /* but only adjudicate if adjudication enabled */
7300 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7301 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7302 "Xboard adjudication: Bare king", GE_XBOARD );
7309 // don't wait for engine to announce game end if we can judge ourselves
7310 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7312 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7313 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7314 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7315 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7318 reason = "Xboard adjudication: 3rd check";
7319 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7329 reason = "Xboard adjudication: Stalemate";
7330 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7331 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7332 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7333 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7334 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7335 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7336 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7337 EP_CHECKMATE : EP_WINS);
7338 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7339 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7343 reason = "Xboard adjudication: Checkmate";
7344 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7348 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7350 result = GameIsDrawn; break;
7352 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7354 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7358 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7360 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7361 GameEnds( result, reason, GE_XBOARD );
7365 /* Next absolutely insufficient mating material. */
7366 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7367 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7368 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7370 /* always flag draws, for judging claims */
7371 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7373 if(canAdjudicate && appData.materialDraws) {
7374 /* but only adjudicate them if adjudication enabled */
7375 if(engineOpponent) {
7376 SendToProgram("force\n", engineOpponent); // suppress reply
7377 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7379 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7384 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7385 if(gameInfo.variant == VariantXiangqi ?
7386 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7388 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7389 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7390 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7391 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7393 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7394 { /* if the first 3 moves do not show a tactical win, declare draw */
7395 if(engineOpponent) {
7396 SendToProgram("force\n", engineOpponent); // suppress reply
7397 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7399 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7402 } else moveCount = 6;
7404 if (appData.debugMode) { int i;
7405 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7406 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7407 appData.drawRepeats);
7408 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7409 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7413 // Repetition draws and 50-move rule can be applied independently of legality testing
7415 /* Check for rep-draws */
7417 for(k = forwardMostMove-2;
7418 k>=backwardMostMove && k>=forwardMostMove-100 &&
7419 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7420 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7423 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7424 /* compare castling rights */
7425 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7426 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7427 rights++; /* King lost rights, while rook still had them */
7428 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7429 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7430 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7431 rights++; /* but at least one rook lost them */
7433 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7434 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7436 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7437 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7438 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7441 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7442 && appData.drawRepeats > 1) {
7443 /* adjudicate after user-specified nr of repeats */
7444 int result = GameIsDrawn;
7445 char *details = "XBoard adjudication: repetition draw";
7446 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7447 // [HGM] xiangqi: check for forbidden perpetuals
7448 int m, ourPerpetual = 1, hisPerpetual = 1;
7449 for(m=forwardMostMove; m>k; m-=2) {
7450 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7451 ourPerpetual = 0; // the current mover did not always check
7452 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7453 hisPerpetual = 0; // the opponent did not always check
7455 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7456 ourPerpetual, hisPerpetual);
7457 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7458 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7459 details = "Xboard adjudication: perpetual checking";
7461 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7462 break; // (or we would have caught him before). Abort repetition-checking loop.
7464 // Now check for perpetual chases
7465 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7466 hisPerpetual = PerpetualChase(k, forwardMostMove);
7467 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7468 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7469 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7470 details = "Xboard adjudication: perpetual chasing";
7472 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7473 break; // Abort repetition-checking loop.
7475 // if neither of us is checking or chasing all the time, or both are, it is draw
7477 if(engineOpponent) {
7478 SendToProgram("force\n", engineOpponent); // suppress reply
7479 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7481 GameEnds( result, details, GE_XBOARD );
7484 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7485 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7489 /* Now we test for 50-move draws. Determine ply count */
7490 count = forwardMostMove;
7491 /* look for last irreversble move */
7492 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7494 /* if we hit starting position, add initial plies */
7495 if( count == backwardMostMove )
7496 count -= initialRulePlies;
7497 count = forwardMostMove - count;
7498 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7499 // adjust reversible move counter for checks in Xiangqi
7500 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7501 if(i < backwardMostMove) i = backwardMostMove;
7502 while(i <= forwardMostMove) {
7503 lastCheck = inCheck; // check evasion does not count
7504 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7505 if(inCheck || lastCheck) count--; // check does not count
7510 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7511 /* this is used to judge if draw claims are legal */
7512 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7513 if(engineOpponent) {
7514 SendToProgram("force\n", engineOpponent); // suppress reply
7515 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7517 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7521 /* if draw offer is pending, treat it as a draw claim
7522 * when draw condition present, to allow engines a way to
7523 * claim draws before making their move to avoid a race
7524 * condition occurring after their move
7526 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7528 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7529 p = "Draw claim: 50-move rule";
7530 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7531 p = "Draw claim: 3-fold repetition";
7532 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7533 p = "Draw claim: insufficient mating material";
7534 if( p != NULL && canAdjudicate) {
7535 if(engineOpponent) {
7536 SendToProgram("force\n", engineOpponent); // suppress reply
7537 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7539 GameEnds( GameIsDrawn, p, GE_XBOARD );
7544 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7545 if(engineOpponent) {
7546 SendToProgram("force\n", engineOpponent); // suppress reply
7547 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7549 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7555 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7556 { // [HGM] book: this routine intercepts moves to simulate book replies
7557 char *bookHit = NULL;
7559 //first determine if the incoming move brings opponent into his book
7560 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7561 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7562 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7563 if(bookHit != NULL && !cps->bookSuspend) {
7564 // make sure opponent is not going to reply after receiving move to book position
7565 SendToProgram("force\n", cps);
7566 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7568 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7569 // now arrange restart after book miss
7571 // after a book hit we never send 'go', and the code after the call to this routine
7572 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7574 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7575 SendToProgram(buf, cps);
7576 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7577 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7578 SendToProgram("go\n", cps);
7579 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7580 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7581 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7582 SendToProgram("go\n", cps);
7583 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7585 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7589 ChessProgramState *savedState;
7590 void DeferredBookMove(void)
7592 if(savedState->lastPing != savedState->lastPong)
7593 ScheduleDelayedEvent(DeferredBookMove, 10);
7595 HandleMachineMove(savedMessage, savedState);
7599 HandleMachineMove(message, cps)
7601 ChessProgramState *cps;
7603 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7604 char realname[MSG_SIZ];
7605 int fromX, fromY, toX, toY;
7614 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7616 * Kludge to ignore BEL characters
7618 while (*message == '\007') message++;
7621 * [HGM] engine debug message: ignore lines starting with '#' character
7623 if(cps->debug && *message == '#') return;
7626 * Look for book output
7628 if (cps == &first && bookRequested) {
7629 if (message[0] == '\t' || message[0] == ' ') {
7630 /* Part of the book output is here; append it */
7631 strcat(bookOutput, message);
7632 strcat(bookOutput, " \n");
7634 } else if (bookOutput[0] != NULLCHAR) {
7635 /* All of book output has arrived; display it */
7636 char *p = bookOutput;
7637 while (*p != NULLCHAR) {
7638 if (*p == '\t') *p = ' ';
7641 DisplayInformation(bookOutput);
7642 bookRequested = FALSE;
7643 /* Fall through to parse the current output */
7648 * Look for machine move.
7650 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7651 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7653 /* This method is only useful on engines that support ping */
7654 if (cps->lastPing != cps->lastPong) {
7655 if (gameMode == BeginningOfGame) {
7656 /* Extra move from before last new; ignore */
7657 if (appData.debugMode) {
7658 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7661 if (appData.debugMode) {
7662 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7663 cps->which, gameMode);
7666 SendToProgram("undo\n", cps);
7672 case BeginningOfGame:
7673 /* Extra move from before last reset; ignore */
7674 if (appData.debugMode) {
7675 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7682 /* Extra move after we tried to stop. The mode test is
7683 not a reliable way of detecting this problem, but it's
7684 the best we can do on engines that don't support ping.
7686 if (appData.debugMode) {
7687 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7688 cps->which, gameMode);
7690 SendToProgram("undo\n", cps);
7693 case MachinePlaysWhite:
7694 case IcsPlayingWhite:
7695 machineWhite = TRUE;
7698 case MachinePlaysBlack:
7699 case IcsPlayingBlack:
7700 machineWhite = FALSE;
7703 case TwoMachinesPlay:
7704 machineWhite = (cps->twoMachinesColor[0] == 'w');
7707 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7708 if (appData.debugMode) {
7710 "Ignoring move out of turn by %s, gameMode %d"
7711 ", forwardMost %d\n",
7712 cps->which, gameMode, forwardMostMove);
7717 if (appData.debugMode) { int f = forwardMostMove;
7718 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7719 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7720 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7722 if(cps->alphaRank) AlphaRank(machineMove, 4);
7723 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7724 &fromX, &fromY, &toX, &toY, &promoChar)) {
7725 /* Machine move could not be parsed; ignore it. */
7726 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7727 machineMove, _(cps->which));
7728 DisplayError(buf1, 0);
7729 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7730 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7731 if (gameMode == TwoMachinesPlay) {
7732 GameEnds(machineWhite ? BlackWins : WhiteWins,
7738 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7739 /* So we have to redo legality test with true e.p. status here, */
7740 /* to make sure an illegal e.p. capture does not slip through, */
7741 /* to cause a forfeit on a justified illegal-move complaint */
7742 /* of the opponent. */
7743 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7745 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7746 fromY, fromX, toY, toX, promoChar);
7747 if (appData.debugMode) {
7749 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7750 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7751 fprintf(debugFP, "castling rights\n");
7753 if(moveType == IllegalMove) {
7754 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7755 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7756 GameEnds(machineWhite ? BlackWins : WhiteWins,
7759 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7760 /* [HGM] Kludge to handle engines that send FRC-style castling
7761 when they shouldn't (like TSCP-Gothic) */
7763 case WhiteASideCastleFR:
7764 case BlackASideCastleFR:
7766 currentMoveString[2]++;
7768 case WhiteHSideCastleFR:
7769 case BlackHSideCastleFR:
7771 currentMoveString[2]--;
7773 default: ; // nothing to do, but suppresses warning of pedantic compilers
7776 hintRequested = FALSE;
7777 lastHint[0] = NULLCHAR;
7778 bookRequested = FALSE;
7779 /* Program may be pondering now */
7780 cps->maybeThinking = TRUE;
7781 if (cps->sendTime == 2) cps->sendTime = 1;
7782 if (cps->offeredDraw) cps->offeredDraw--;
7784 /* [AS] Save move info*/
7785 pvInfoList[ forwardMostMove ].score = programStats.score;
7786 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7787 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7789 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7791 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7792 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7795 while( count < adjudicateLossPlies ) {
7796 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7799 score = -score; /* Flip score for winning side */
7802 if( score > adjudicateLossThreshold ) {
7809 if( count >= adjudicateLossPlies ) {
7810 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7812 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7813 "Xboard adjudication",
7820 if(Adjudicate(cps)) {
7821 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7822 return; // [HGM] adjudicate: for all automatic game ends
7826 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7828 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7829 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7831 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7833 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7835 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7836 char buf[3*MSG_SIZ];
7838 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7839 programStats.score / 100.,
7841 programStats.time / 100.,
7842 (unsigned int)programStats.nodes,
7843 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7844 programStats.movelist);
7846 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7851 /* [AS] Clear stats for next move */
7852 ClearProgramStats();
7853 thinkOutput[0] = NULLCHAR;
7854 hiddenThinkOutputState = 0;
7857 if (gameMode == TwoMachinesPlay) {
7858 /* [HGM] relaying draw offers moved to after reception of move */
7859 /* and interpreting offer as claim if it brings draw condition */
7860 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7861 SendToProgram("draw\n", cps->other);
7863 if (cps->other->sendTime) {
7864 SendTimeRemaining(cps->other,
7865 cps->other->twoMachinesColor[0] == 'w');
7867 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7868 if (firstMove && !bookHit) {
7870 if (cps->other->useColors) {
7871 SendToProgram(cps->other->twoMachinesColor, cps->other);
7873 SendToProgram("go\n", cps->other);
7875 cps->other->maybeThinking = TRUE;
7878 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7880 if (!pausing && appData.ringBellAfterMoves) {
7885 * Reenable menu items that were disabled while
7886 * machine was thinking
7888 if (gameMode != TwoMachinesPlay)
7889 SetUserThinkingEnables();
7891 // [HGM] book: after book hit opponent has received move and is now in force mode
7892 // force the book reply into it, and then fake that it outputted this move by jumping
7893 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7895 static char bookMove[MSG_SIZ]; // a bit generous?
7897 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7898 strcat(bookMove, bookHit);
7901 programStats.nodes = programStats.depth = programStats.time =
7902 programStats.score = programStats.got_only_move = 0;
7903 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7905 if(cps->lastPing != cps->lastPong) {
7906 savedMessage = message; // args for deferred call
7908 ScheduleDelayedEvent(DeferredBookMove, 10);
7917 /* Set special modes for chess engines. Later something general
7918 * could be added here; for now there is just one kludge feature,
7919 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7920 * when "xboard" is given as an interactive command.
7922 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7923 cps->useSigint = FALSE;
7924 cps->useSigterm = FALSE;
7926 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7927 ParseFeatures(message+8, cps);
7928 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7931 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7932 int dummy, s=6; char buf[MSG_SIZ];
7933 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7934 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7935 ParseFEN(boards[0], &dummy, message+s);
7936 DrawPosition(TRUE, boards[0]);
7937 startedFromSetupPosition = TRUE;
7940 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7941 * want this, I was asked to put it in, and obliged.
7943 if (!strncmp(message, "setboard ", 9)) {
7944 Board initial_position;
7946 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7948 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7949 DisplayError(_("Bad FEN received from engine"), 0);
7953 CopyBoard(boards[0], initial_position);
7954 initialRulePlies = FENrulePlies;
7955 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7956 else gameMode = MachinePlaysBlack;
7957 DrawPosition(FALSE, boards[currentMove]);
7963 * Look for communication commands
7965 if (!strncmp(message, "telluser ", 9)) {
7966 if(message[9] == '\\' && message[10] == '\\')
7967 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7968 DisplayNote(message + 9);
7971 if (!strncmp(message, "tellusererror ", 14)) {
7973 if(message[14] == '\\' && message[15] == '\\')
7974 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7975 DisplayError(message + 14, 0);
7978 if (!strncmp(message, "tellopponent ", 13)) {
7979 if (appData.icsActive) {
7981 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7985 DisplayNote(message + 13);
7989 if (!strncmp(message, "tellothers ", 11)) {
7990 if (appData.icsActive) {
7992 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7998 if (!strncmp(message, "tellall ", 8)) {
7999 if (appData.icsActive) {
8001 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8005 DisplayNote(message + 8);
8009 if (strncmp(message, "warning", 7) == 0) {
8010 /* Undocumented feature, use tellusererror in new code */
8011 DisplayError(message, 0);
8014 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8015 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8016 strcat(realname, " query");
8017 AskQuestion(realname, buf2, buf1, cps->pr);
8020 /* Commands from the engine directly to ICS. We don't allow these to be
8021 * sent until we are logged on. Crafty kibitzes have been known to
8022 * interfere with the login process.
8025 if (!strncmp(message, "tellics ", 8)) {
8026 SendToICS(message + 8);
8030 if (!strncmp(message, "tellicsnoalias ", 15)) {
8031 SendToICS(ics_prefix);
8032 SendToICS(message + 15);
8036 /* The following are for backward compatibility only */
8037 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8038 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8039 SendToICS(ics_prefix);
8045 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8049 * If the move is illegal, cancel it and redraw the board.
8050 * Also deal with other error cases. Matching is rather loose
8051 * here to accommodate engines written before the spec.
8053 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8054 strncmp(message, "Error", 5) == 0) {
8055 if (StrStr(message, "name") ||
8056 StrStr(message, "rating") || StrStr(message, "?") ||
8057 StrStr(message, "result") || StrStr(message, "board") ||
8058 StrStr(message, "bk") || StrStr(message, "computer") ||
8059 StrStr(message, "variant") || StrStr(message, "hint") ||
8060 StrStr(message, "random") || StrStr(message, "depth") ||
8061 StrStr(message, "accepted")) {
8064 if (StrStr(message, "protover")) {
8065 /* Program is responding to input, so it's apparently done
8066 initializing, and this error message indicates it is
8067 protocol version 1. So we don't need to wait any longer
8068 for it to initialize and send feature commands. */
8069 FeatureDone(cps, 1);
8070 cps->protocolVersion = 1;
8073 cps->maybeThinking = FALSE;
8075 if (StrStr(message, "draw")) {
8076 /* Program doesn't have "draw" command */
8077 cps->sendDrawOffers = 0;
8080 if (cps->sendTime != 1 &&
8081 (StrStr(message, "time") || StrStr(message, "otim"))) {
8082 /* Program apparently doesn't have "time" or "otim" command */
8086 if (StrStr(message, "analyze")) {
8087 cps->analysisSupport = FALSE;
8088 cps->analyzing = FALSE;
8090 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8091 DisplayError(buf2, 0);
8094 if (StrStr(message, "(no matching move)st")) {
8095 /* Special kludge for GNU Chess 4 only */
8096 cps->stKludge = TRUE;
8097 SendTimeControl(cps, movesPerSession, timeControl,
8098 timeIncrement, appData.searchDepth,
8102 if (StrStr(message, "(no matching move)sd")) {
8103 /* Special kludge for GNU Chess 4 only */
8104 cps->sdKludge = TRUE;
8105 SendTimeControl(cps, movesPerSession, timeControl,
8106 timeIncrement, appData.searchDepth,
8110 if (!StrStr(message, "llegal")) {
8113 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8114 gameMode == IcsIdle) return;
8115 if (forwardMostMove <= backwardMostMove) return;
8116 if (pausing) PauseEvent();
8117 if(appData.forceIllegal) {
8118 // [HGM] illegal: machine refused move; force position after move into it
8119 SendToProgram("force\n", cps);
8120 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8121 // we have a real problem now, as SendBoard will use the a2a3 kludge
8122 // when black is to move, while there might be nothing on a2 or black
8123 // might already have the move. So send the board as if white has the move.
8124 // But first we must change the stm of the engine, as it refused the last move
8125 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8126 if(WhiteOnMove(forwardMostMove)) {
8127 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8128 SendBoard(cps, forwardMostMove); // kludgeless board
8130 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8131 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8132 SendBoard(cps, forwardMostMove+1); // kludgeless board
8134 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8135 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8136 gameMode == TwoMachinesPlay)
8137 SendToProgram("go\n", cps);
8140 if (gameMode == PlayFromGameFile) {
8141 /* Stop reading this game file */
8142 gameMode = EditGame;
8145 /* [HGM] illegal-move claim should forfeit game when Xboard */
8146 /* only passes fully legal moves */
8147 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8148 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8149 "False illegal-move claim", GE_XBOARD );
8150 return; // do not take back move we tested as valid
8152 currentMove = forwardMostMove-1;
8153 DisplayMove(currentMove-1); /* before DisplayMoveError */
8154 SwitchClocks(forwardMostMove-1); // [HGM] race
8155 DisplayBothClocks();
8156 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8157 parseList[currentMove], _(cps->which));
8158 DisplayMoveError(buf1);
8159 DrawPosition(FALSE, boards[currentMove]);
8162 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8163 /* Program has a broken "time" command that
8164 outputs a string not ending in newline.
8170 * If chess program startup fails, exit with an error message.
8171 * Attempts to recover here are futile.
8173 if ((StrStr(message, "unknown host") != NULL)
8174 || (StrStr(message, "No remote directory") != NULL)
8175 || (StrStr(message, "not found") != NULL)
8176 || (StrStr(message, "No such file") != NULL)
8177 || (StrStr(message, "can't alloc") != NULL)
8178 || (StrStr(message, "Permission denied") != NULL)) {
8180 cps->maybeThinking = FALSE;
8181 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8182 _(cps->which), cps->program, cps->host, message);
8183 RemoveInputSource(cps->isr);
8184 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8185 if(cps == &first) appData.noChessProgram = TRUE;
8186 DisplayError(buf1, 0);
8192 * Look for hint output
8194 if (sscanf(message, "Hint: %s", buf1) == 1) {
8195 if (cps == &first && hintRequested) {
8196 hintRequested = FALSE;
8197 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8198 &fromX, &fromY, &toX, &toY, &promoChar)) {
8199 (void) CoordsToAlgebraic(boards[forwardMostMove],
8200 PosFlags(forwardMostMove),
8201 fromY, fromX, toY, toX, promoChar, buf1);
8202 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8203 DisplayInformation(buf2);
8205 /* Hint move could not be parsed!? */
8206 snprintf(buf2, sizeof(buf2),
8207 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8208 buf1, _(cps->which));
8209 DisplayError(buf2, 0);
8212 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8218 * Ignore other messages if game is not in progress
8220 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8221 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8224 * look for win, lose, draw, or draw offer
8226 if (strncmp(message, "1-0", 3) == 0) {
8227 char *p, *q, *r = "";
8228 p = strchr(message, '{');
8236 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8238 } else if (strncmp(message, "0-1", 3) == 0) {
8239 char *p, *q, *r = "";
8240 p = strchr(message, '{');
8248 /* Kludge for Arasan 4.1 bug */
8249 if (strcmp(r, "Black resigns") == 0) {
8250 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8253 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8255 } else if (strncmp(message, "1/2", 3) == 0) {
8256 char *p, *q, *r = "";
8257 p = strchr(message, '{');
8266 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8269 } else if (strncmp(message, "White resign", 12) == 0) {
8270 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8272 } else if (strncmp(message, "Black resign", 12) == 0) {
8273 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8275 } else if (strncmp(message, "White matches", 13) == 0 ||
8276 strncmp(message, "Black matches", 13) == 0 ) {
8277 /* [HGM] ignore GNUShogi noises */
8279 } else if (strncmp(message, "White", 5) == 0 &&
8280 message[5] != '(' &&
8281 StrStr(message, "Black") == NULL) {
8282 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8284 } else if (strncmp(message, "Black", 5) == 0 &&
8285 message[5] != '(') {
8286 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8288 } else if (strcmp(message, "resign") == 0 ||
8289 strcmp(message, "computer resigns") == 0) {
8291 case MachinePlaysBlack:
8292 case IcsPlayingBlack:
8293 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8295 case MachinePlaysWhite:
8296 case IcsPlayingWhite:
8297 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8299 case TwoMachinesPlay:
8300 if (cps->twoMachinesColor[0] == 'w')
8301 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8303 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8310 } else if (strncmp(message, "opponent mates", 14) == 0) {
8312 case MachinePlaysBlack:
8313 case IcsPlayingBlack:
8314 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8316 case MachinePlaysWhite:
8317 case IcsPlayingWhite:
8318 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8320 case TwoMachinesPlay:
8321 if (cps->twoMachinesColor[0] == 'w')
8322 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8324 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8331 } else if (strncmp(message, "computer mates", 14) == 0) {
8333 case MachinePlaysBlack:
8334 case IcsPlayingBlack:
8335 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8337 case MachinePlaysWhite:
8338 case IcsPlayingWhite:
8339 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8341 case TwoMachinesPlay:
8342 if (cps->twoMachinesColor[0] == 'w')
8343 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8345 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8352 } else if (strncmp(message, "checkmate", 9) == 0) {
8353 if (WhiteOnMove(forwardMostMove)) {
8354 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8356 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8359 } else if (strstr(message, "Draw") != NULL ||
8360 strstr(message, "game is a draw") != NULL) {
8361 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8363 } else if (strstr(message, "offer") != NULL &&
8364 strstr(message, "draw") != NULL) {
8366 if (appData.zippyPlay && first.initDone) {
8367 /* Relay offer to ICS */
8368 SendToICS(ics_prefix);
8369 SendToICS("draw\n");
8372 cps->offeredDraw = 2; /* valid until this engine moves twice */
8373 if (gameMode == TwoMachinesPlay) {
8374 if (cps->other->offeredDraw) {
8375 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8376 /* [HGM] in two-machine mode we delay relaying draw offer */
8377 /* until after we also have move, to see if it is really claim */
8379 } else if (gameMode == MachinePlaysWhite ||
8380 gameMode == MachinePlaysBlack) {
8381 if (userOfferedDraw) {
8382 DisplayInformation(_("Machine accepts your draw offer"));
8383 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8385 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8392 * Look for thinking output
8394 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8395 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8397 int plylev, mvleft, mvtot, curscore, time;
8398 char mvname[MOVE_LEN];
8402 int prefixHint = FALSE;
8403 mvname[0] = NULLCHAR;
8406 case MachinePlaysBlack:
8407 case IcsPlayingBlack:
8408 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8410 case MachinePlaysWhite:
8411 case IcsPlayingWhite:
8412 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8417 case IcsObserving: /* [DM] icsEngineAnalyze */
8418 if (!appData.icsEngineAnalyze) ignore = TRUE;
8420 case TwoMachinesPlay:
8421 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8431 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8433 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8434 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8436 if (plyext != ' ' && plyext != '\t') {
8440 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8441 if( cps->scoreIsAbsolute &&
8442 ( gameMode == MachinePlaysBlack ||
8443 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8444 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8445 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8446 !WhiteOnMove(currentMove)
8449 curscore = -curscore;
8453 tempStats.depth = plylev;
8454 tempStats.nodes = nodes;
8455 tempStats.time = time;
8456 tempStats.score = curscore;
8457 tempStats.got_only_move = 0;
8459 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8462 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8463 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8464 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8465 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8466 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8467 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8468 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8469 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8472 /* Buffer overflow protection */
8473 if (buf1[0] != NULLCHAR) {
8474 if (strlen(buf1) >= sizeof(tempStats.movelist)
8475 && appData.debugMode) {
8477 "PV is too long; using the first %u bytes.\n",
8478 (unsigned) sizeof(tempStats.movelist) - 1);
8481 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8483 sprintf(tempStats.movelist, " no PV\n");
8486 if (tempStats.seen_stat) {
8487 tempStats.ok_to_send = 1;
8490 if (strchr(tempStats.movelist, '(') != NULL) {
8491 tempStats.line_is_book = 1;
8492 tempStats.nr_moves = 0;
8493 tempStats.moves_left = 0;
8495 tempStats.line_is_book = 0;
8498 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8499 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8501 SendProgramStatsToFrontend( cps, &tempStats );
8504 [AS] Protect the thinkOutput buffer from overflow... this
8505 is only useful if buf1 hasn't overflowed first!
8507 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8509 (gameMode == TwoMachinesPlay ?
8510 ToUpper(cps->twoMachinesColor[0]) : ' '),
8511 ((double) curscore) / 100.0,
8512 prefixHint ? lastHint : "",
8513 prefixHint ? " " : "" );
8515 if( buf1[0] != NULLCHAR ) {
8516 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8518 if( strlen(buf1) > max_len ) {
8519 if( appData.debugMode) {
8520 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8522 buf1[max_len+1] = '\0';
8525 strcat( thinkOutput, buf1 );
8528 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8529 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8530 DisplayMove(currentMove - 1);
8534 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8535 /* crafty (9.25+) says "(only move) <move>"
8536 * if there is only 1 legal move
8538 sscanf(p, "(only move) %s", buf1);
8539 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8540 sprintf(programStats.movelist, "%s (only move)", buf1);
8541 programStats.depth = 1;
8542 programStats.nr_moves = 1;
8543 programStats.moves_left = 1;
8544 programStats.nodes = 1;
8545 programStats.time = 1;
8546 programStats.got_only_move = 1;
8548 /* Not really, but we also use this member to
8549 mean "line isn't going to change" (Crafty
8550 isn't searching, so stats won't change) */
8551 programStats.line_is_book = 1;
8553 SendProgramStatsToFrontend( cps, &programStats );
8555 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8556 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8557 DisplayMove(currentMove - 1);
8560 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8561 &time, &nodes, &plylev, &mvleft,
8562 &mvtot, mvname) >= 5) {
8563 /* The stat01: line is from Crafty (9.29+) in response
8564 to the "." command */
8565 programStats.seen_stat = 1;
8566 cps->maybeThinking = TRUE;
8568 if (programStats.got_only_move || !appData.periodicUpdates)
8571 programStats.depth = plylev;
8572 programStats.time = time;
8573 programStats.nodes = nodes;
8574 programStats.moves_left = mvleft;
8575 programStats.nr_moves = mvtot;
8576 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8577 programStats.ok_to_send = 1;
8578 programStats.movelist[0] = '\0';
8580 SendProgramStatsToFrontend( cps, &programStats );
8584 } else if (strncmp(message,"++",2) == 0) {
8585 /* Crafty 9.29+ outputs this */
8586 programStats.got_fail = 2;
8589 } else if (strncmp(message,"--",2) == 0) {
8590 /* Crafty 9.29+ outputs this */
8591 programStats.got_fail = 1;
8594 } else if (thinkOutput[0] != NULLCHAR &&
8595 strncmp(message, " ", 4) == 0) {
8596 unsigned message_len;
8599 while (*p && *p == ' ') p++;
8601 message_len = strlen( p );
8603 /* [AS] Avoid buffer overflow */
8604 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8605 strcat(thinkOutput, " ");
8606 strcat(thinkOutput, p);
8609 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8610 strcat(programStats.movelist, " ");
8611 strcat(programStats.movelist, p);
8614 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8615 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8616 DisplayMove(currentMove - 1);
8624 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8625 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8627 ChessProgramStats cpstats;
8629 if (plyext != ' ' && plyext != '\t') {
8633 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8634 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8635 curscore = -curscore;
8638 cpstats.depth = plylev;
8639 cpstats.nodes = nodes;
8640 cpstats.time = time;
8641 cpstats.score = curscore;
8642 cpstats.got_only_move = 0;
8643 cpstats.movelist[0] = '\0';
8645 if (buf1[0] != NULLCHAR) {
8646 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8649 cpstats.ok_to_send = 0;
8650 cpstats.line_is_book = 0;
8651 cpstats.nr_moves = 0;
8652 cpstats.moves_left = 0;
8654 SendProgramStatsToFrontend( cps, &cpstats );
8661 /* Parse a game score from the character string "game", and
8662 record it as the history of the current game. The game
8663 score is NOT assumed to start from the standard position.
8664 The display is not updated in any way.
8667 ParseGameHistory(game)
8671 int fromX, fromY, toX, toY, boardIndex;
8676 if (appData.debugMode)
8677 fprintf(debugFP, "Parsing game history: %s\n", game);
8679 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8680 gameInfo.site = StrSave(appData.icsHost);
8681 gameInfo.date = PGNDate();
8682 gameInfo.round = StrSave("-");
8684 /* Parse out names of players */
8685 while (*game == ' ') game++;
8687 while (*game != ' ') *p++ = *game++;
8689 gameInfo.white = StrSave(buf);
8690 while (*game == ' ') game++;
8692 while (*game != ' ' && *game != '\n') *p++ = *game++;
8694 gameInfo.black = StrSave(buf);
8697 boardIndex = blackPlaysFirst ? 1 : 0;
8700 yyboardindex = boardIndex;
8701 moveType = (ChessMove) Myylex();
8703 case IllegalMove: /* maybe suicide chess, etc. */
8704 if (appData.debugMode) {
8705 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8706 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8707 setbuf(debugFP, NULL);
8709 case WhitePromotion:
8710 case BlackPromotion:
8711 case WhiteNonPromotion:
8712 case BlackNonPromotion:
8714 case WhiteCapturesEnPassant:
8715 case BlackCapturesEnPassant:
8716 case WhiteKingSideCastle:
8717 case WhiteQueenSideCastle:
8718 case BlackKingSideCastle:
8719 case BlackQueenSideCastle:
8720 case WhiteKingSideCastleWild:
8721 case WhiteQueenSideCastleWild:
8722 case BlackKingSideCastleWild:
8723 case BlackQueenSideCastleWild:
8725 case WhiteHSideCastleFR:
8726 case WhiteASideCastleFR:
8727 case BlackHSideCastleFR:
8728 case BlackASideCastleFR:
8730 fromX = currentMoveString[0] - AAA;
8731 fromY = currentMoveString[1] - ONE;
8732 toX = currentMoveString[2] - AAA;
8733 toY = currentMoveString[3] - ONE;
8734 promoChar = currentMoveString[4];
8738 fromX = moveType == WhiteDrop ?
8739 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8740 (int) CharToPiece(ToLower(currentMoveString[0]));
8742 toX = currentMoveString[2] - AAA;
8743 toY = currentMoveString[3] - ONE;
8744 promoChar = NULLCHAR;
8748 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8749 if (appData.debugMode) {
8750 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8751 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8752 setbuf(debugFP, NULL);
8754 DisplayError(buf, 0);
8756 case ImpossibleMove:
8758 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8759 if (appData.debugMode) {
8760 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8761 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8762 setbuf(debugFP, NULL);
8764 DisplayError(buf, 0);
8767 if (boardIndex < backwardMostMove) {
8768 /* Oops, gap. How did that happen? */
8769 DisplayError(_("Gap in move list"), 0);
8772 backwardMostMove = blackPlaysFirst ? 1 : 0;
8773 if (boardIndex > forwardMostMove) {
8774 forwardMostMove = boardIndex;
8778 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8779 strcat(parseList[boardIndex-1], " ");
8780 strcat(parseList[boardIndex-1], yy_text);
8792 case GameUnfinished:
8793 if (gameMode == IcsExamining) {
8794 if (boardIndex < backwardMostMove) {
8795 /* Oops, gap. How did that happen? */
8798 backwardMostMove = blackPlaysFirst ? 1 : 0;
8801 gameInfo.result = moveType;
8802 p = strchr(yy_text, '{');
8803 if (p == NULL) p = strchr(yy_text, '(');
8806 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8808 q = strchr(p, *p == '{' ? '}' : ')');
8809 if (q != NULL) *q = NULLCHAR;
8812 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8813 gameInfo.resultDetails = StrSave(p);
8816 if (boardIndex >= forwardMostMove &&
8817 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8818 backwardMostMove = blackPlaysFirst ? 1 : 0;
8821 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8822 fromY, fromX, toY, toX, promoChar,
8823 parseList[boardIndex]);
8824 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8825 /* currentMoveString is set as a side-effect of yylex */
8826 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8827 strcat(moveList[boardIndex], "\n");
8829 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8830 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8836 if(gameInfo.variant != VariantShogi)
8837 strcat(parseList[boardIndex - 1], "+");
8841 strcat(parseList[boardIndex - 1], "#");
8848 /* Apply a move to the given board */
8850 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8851 int fromX, fromY, toX, toY;
8855 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8856 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8858 /* [HGM] compute & store e.p. status and castling rights for new position */
8859 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8861 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8862 oldEP = (signed char)board[EP_STATUS];
8863 board[EP_STATUS] = EP_NONE;
8865 if( board[toY][toX] != EmptySquare )
8866 board[EP_STATUS] = EP_CAPTURE;
8868 if (fromY == DROP_RANK) {
8870 piece = board[toY][toX] = (ChessSquare) fromX;
8874 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8875 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8876 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8878 if( board[fromY][fromX] == WhitePawn ) {
8879 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8880 board[EP_STATUS] = EP_PAWN_MOVE;
8882 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8883 gameInfo.variant != VariantBerolina || toX < fromX)
8884 board[EP_STATUS] = toX | berolina;
8885 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8886 gameInfo.variant != VariantBerolina || toX > fromX)
8887 board[EP_STATUS] = toX;
8890 if( board[fromY][fromX] == BlackPawn ) {
8891 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8892 board[EP_STATUS] = EP_PAWN_MOVE;
8893 if( toY-fromY== -2) {
8894 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8895 gameInfo.variant != VariantBerolina || toX < fromX)
8896 board[EP_STATUS] = toX | berolina;
8897 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8898 gameInfo.variant != VariantBerolina || toX > fromX)
8899 board[EP_STATUS] = toX;
8903 for(i=0; i<nrCastlingRights; i++) {
8904 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8905 board[CASTLING][i] == toX && castlingRank[i] == toY
8906 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8909 if (fromX == toX && fromY == toY) return;
8911 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8912 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8913 if(gameInfo.variant == VariantKnightmate)
8914 king += (int) WhiteUnicorn - (int) WhiteKing;
8916 /* Code added by Tord: */
8917 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8918 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8919 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8920 board[fromY][fromX] = EmptySquare;
8921 board[toY][toX] = EmptySquare;
8922 if((toX > fromX) != (piece == WhiteRook)) {
8923 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8925 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8927 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8928 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8929 board[fromY][fromX] = EmptySquare;
8930 board[toY][toX] = EmptySquare;
8931 if((toX > fromX) != (piece == BlackRook)) {
8932 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8934 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8936 /* End of code added by Tord */
8938 } else if (board[fromY][fromX] == king
8939 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8940 && toY == fromY && toX > fromX+1) {
8941 board[fromY][fromX] = EmptySquare;
8942 board[toY][toX] = king;
8943 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8944 board[fromY][BOARD_RGHT-1] = EmptySquare;
8945 } else if (board[fromY][fromX] == king
8946 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8947 && toY == fromY && toX < fromX-1) {
8948 board[fromY][fromX] = EmptySquare;
8949 board[toY][toX] = king;
8950 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8951 board[fromY][BOARD_LEFT] = EmptySquare;
8952 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8953 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8954 && toY >= BOARD_HEIGHT-promoRank
8956 /* white pawn promotion */
8957 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8958 if (board[toY][toX] == EmptySquare) {
8959 board[toY][toX] = WhiteQueen;
8961 if(gameInfo.variant==VariantBughouse ||
8962 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8963 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8964 board[fromY][fromX] = EmptySquare;
8965 } else if ((fromY == BOARD_HEIGHT-4)
8967 && gameInfo.variant != VariantXiangqi
8968 && gameInfo.variant != VariantBerolina
8969 && (board[fromY][fromX] == WhitePawn)
8970 && (board[toY][toX] == EmptySquare)) {
8971 board[fromY][fromX] = EmptySquare;
8972 board[toY][toX] = WhitePawn;
8973 captured = board[toY - 1][toX];
8974 board[toY - 1][toX] = EmptySquare;
8975 } else if ((fromY == BOARD_HEIGHT-4)
8977 && gameInfo.variant == VariantBerolina
8978 && (board[fromY][fromX] == WhitePawn)
8979 && (board[toY][toX] == EmptySquare)) {
8980 board[fromY][fromX] = EmptySquare;
8981 board[toY][toX] = WhitePawn;
8982 if(oldEP & EP_BEROLIN_A) {
8983 captured = board[fromY][fromX-1];
8984 board[fromY][fromX-1] = EmptySquare;
8985 }else{ captured = board[fromY][fromX+1];
8986 board[fromY][fromX+1] = EmptySquare;
8988 } else if (board[fromY][fromX] == king
8989 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8990 && toY == fromY && toX > fromX+1) {
8991 board[fromY][fromX] = EmptySquare;
8992 board[toY][toX] = king;
8993 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8994 board[fromY][BOARD_RGHT-1] = EmptySquare;
8995 } else if (board[fromY][fromX] == king
8996 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8997 && toY == fromY && toX < fromX-1) {
8998 board[fromY][fromX] = EmptySquare;
8999 board[toY][toX] = king;
9000 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9001 board[fromY][BOARD_LEFT] = EmptySquare;
9002 } else if (fromY == 7 && fromX == 3
9003 && board[fromY][fromX] == BlackKing
9004 && toY == 7 && toX == 5) {
9005 board[fromY][fromX] = EmptySquare;
9006 board[toY][toX] = BlackKing;
9007 board[fromY][7] = EmptySquare;
9008 board[toY][4] = BlackRook;
9009 } else if (fromY == 7 && fromX == 3
9010 && board[fromY][fromX] == BlackKing
9011 && toY == 7 && toX == 1) {
9012 board[fromY][fromX] = EmptySquare;
9013 board[toY][toX] = BlackKing;
9014 board[fromY][0] = EmptySquare;
9015 board[toY][2] = BlackRook;
9016 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9017 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9020 /* black pawn promotion */
9021 board[toY][toX] = CharToPiece(ToLower(promoChar));
9022 if (board[toY][toX] == EmptySquare) {
9023 board[toY][toX] = BlackQueen;
9025 if(gameInfo.variant==VariantBughouse ||
9026 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9027 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9028 board[fromY][fromX] = EmptySquare;
9029 } else if ((fromY == 3)
9031 && gameInfo.variant != VariantXiangqi
9032 && gameInfo.variant != VariantBerolina
9033 && (board[fromY][fromX] == BlackPawn)
9034 && (board[toY][toX] == EmptySquare)) {
9035 board[fromY][fromX] = EmptySquare;
9036 board[toY][toX] = BlackPawn;
9037 captured = board[toY + 1][toX];
9038 board[toY + 1][toX] = EmptySquare;
9039 } else if ((fromY == 3)
9041 && gameInfo.variant == VariantBerolina
9042 && (board[fromY][fromX] == BlackPawn)
9043 && (board[toY][toX] == EmptySquare)) {
9044 board[fromY][fromX] = EmptySquare;
9045 board[toY][toX] = BlackPawn;
9046 if(oldEP & EP_BEROLIN_A) {
9047 captured = board[fromY][fromX-1];
9048 board[fromY][fromX-1] = EmptySquare;
9049 }else{ captured = board[fromY][fromX+1];
9050 board[fromY][fromX+1] = EmptySquare;
9053 board[toY][toX] = board[fromY][fromX];
9054 board[fromY][fromX] = EmptySquare;
9058 if (gameInfo.holdingsWidth != 0) {
9060 /* !!A lot more code needs to be written to support holdings */
9061 /* [HGM] OK, so I have written it. Holdings are stored in the */
9062 /* penultimate board files, so they are automaticlly stored */
9063 /* in the game history. */
9064 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9065 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9066 /* Delete from holdings, by decreasing count */
9067 /* and erasing image if necessary */
9068 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9069 if(p < (int) BlackPawn) { /* white drop */
9070 p -= (int)WhitePawn;
9071 p = PieceToNumber((ChessSquare)p);
9072 if(p >= gameInfo.holdingsSize) p = 0;
9073 if(--board[p][BOARD_WIDTH-2] <= 0)
9074 board[p][BOARD_WIDTH-1] = EmptySquare;
9075 if((int)board[p][BOARD_WIDTH-2] < 0)
9076 board[p][BOARD_WIDTH-2] = 0;
9077 } else { /* black drop */
9078 p -= (int)BlackPawn;
9079 p = PieceToNumber((ChessSquare)p);
9080 if(p >= gameInfo.holdingsSize) p = 0;
9081 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9082 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9083 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9084 board[BOARD_HEIGHT-1-p][1] = 0;
9087 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9088 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9089 /* [HGM] holdings: Add to holdings, if holdings exist */
9090 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
9091 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9092 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9095 if (p >= (int) BlackPawn) {
9096 p -= (int)BlackPawn;
9097 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9098 /* in Shogi restore piece to its original first */
9099 captured = (ChessSquare) (DEMOTED captured);
9102 p = PieceToNumber((ChessSquare)p);
9103 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9104 board[p][BOARD_WIDTH-2]++;
9105 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9107 p -= (int)WhitePawn;
9108 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9109 captured = (ChessSquare) (DEMOTED captured);
9112 p = PieceToNumber((ChessSquare)p);
9113 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9114 board[BOARD_HEIGHT-1-p][1]++;
9115 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9118 } else if (gameInfo.variant == VariantAtomic) {
9119 if (captured != EmptySquare) {
9121 for (y = toY-1; y <= toY+1; y++) {
9122 for (x = toX-1; x <= toX+1; x++) {
9123 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9124 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9125 board[y][x] = EmptySquare;
9129 board[toY][toX] = EmptySquare;
9132 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9133 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9135 if(promoChar == '+') {
9136 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9137 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9138 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9139 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9141 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9142 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9143 // [HGM] superchess: take promotion piece out of holdings
9144 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9145 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9146 if(!--board[k][BOARD_WIDTH-2])
9147 board[k][BOARD_WIDTH-1] = EmptySquare;
9149 if(!--board[BOARD_HEIGHT-1-k][1])
9150 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9156 /* Updates forwardMostMove */
9158 MakeMove(fromX, fromY, toX, toY, promoChar)
9159 int fromX, fromY, toX, toY;
9162 // forwardMostMove++; // [HGM] bare: moved downstream
9164 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9165 int timeLeft; static int lastLoadFlag=0; int king, piece;
9166 piece = boards[forwardMostMove][fromY][fromX];
9167 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9168 if(gameInfo.variant == VariantKnightmate)
9169 king += (int) WhiteUnicorn - (int) WhiteKing;
9170 if(forwardMostMove == 0) {
9172 fprintf(serverMoves, "%s;", second.tidy);
9173 fprintf(serverMoves, "%s;", first.tidy);
9174 if(!blackPlaysFirst)
9175 fprintf(serverMoves, "%s;", second.tidy);
9176 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9177 lastLoadFlag = loadFlag;
9179 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9180 // print castling suffix
9181 if( toY == fromY && piece == king ) {
9183 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9185 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9188 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9189 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9190 boards[forwardMostMove][toY][toX] == EmptySquare
9191 && fromX != toX && fromY != toY)
9192 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9194 if(promoChar != NULLCHAR)
9195 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
9197 fprintf(serverMoves, "/%d/%d",
9198 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9199 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9200 else timeLeft = blackTimeRemaining/1000;
9201 fprintf(serverMoves, "/%d", timeLeft);
9203 fflush(serverMoves);
9206 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
9207 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
9211 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9212 if (commentList[forwardMostMove+1] != NULL) {
9213 free(commentList[forwardMostMove+1]);
9214 commentList[forwardMostMove+1] = NULL;
9216 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9217 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9218 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9219 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9220 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9221 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9222 gameInfo.result = GameUnfinished;
9223 if (gameInfo.resultDetails != NULL) {
9224 free(gameInfo.resultDetails);
9225 gameInfo.resultDetails = NULL;
9227 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9228 moveList[forwardMostMove - 1]);
9229 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
9230 PosFlags(forwardMostMove - 1),
9231 fromY, fromX, toY, toX, promoChar,
9232 parseList[forwardMostMove - 1]);
9233 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9239 if(gameInfo.variant != VariantShogi)
9240 strcat(parseList[forwardMostMove - 1], "+");
9244 strcat(parseList[forwardMostMove - 1], "#");
9247 if (appData.debugMode) {
9248 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9253 /* Updates currentMove if not pausing */
9255 ShowMove(fromX, fromY, toX, toY)
9257 int instant = (gameMode == PlayFromGameFile) ?
9258 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9259 if(appData.noGUI) return;
9260 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9262 if (forwardMostMove == currentMove + 1) {
9263 AnimateMove(boards[forwardMostMove - 1],
9264 fromX, fromY, toX, toY);
9266 if (appData.highlightLastMove) {
9267 SetHighlights(fromX, fromY, toX, toY);
9270 currentMove = forwardMostMove;
9273 if (instant) return;
9275 DisplayMove(currentMove - 1);
9276 DrawPosition(FALSE, boards[currentMove]);
9277 DisplayBothClocks();
9278 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9279 DisplayBook(currentMove);
9282 void SendEgtPath(ChessProgramState *cps)
9283 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9284 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9286 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9289 char c, *q = name+1, *r, *s;
9291 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9292 while(*p && *p != ',') *q++ = *p++;
9294 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9295 strcmp(name, ",nalimov:") == 0 ) {
9296 // take nalimov path from the menu-changeable option first, if it is defined
9297 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9298 SendToProgram(buf,cps); // send egtbpath command for nalimov
9300 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9301 (s = StrStr(appData.egtFormats, name)) != NULL) {
9302 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9303 s = r = StrStr(s, ":") + 1; // beginning of path info
9304 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9305 c = *r; *r = 0; // temporarily null-terminate path info
9306 *--q = 0; // strip of trailig ':' from name
9307 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9309 SendToProgram(buf,cps); // send egtbpath command for this format
9311 if(*p == ',') p++; // read away comma to position for next format name
9316 InitChessProgram(cps, setup)
9317 ChessProgramState *cps;
9318 int setup; /* [HGM] needed to setup FRC opening position */
9320 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9321 if (appData.noChessProgram) return;
9322 hintRequested = FALSE;
9323 bookRequested = FALSE;
9325 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9326 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9327 if(cps->memSize) { /* [HGM] memory */
9328 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9329 SendToProgram(buf, cps);
9331 SendEgtPath(cps); /* [HGM] EGT */
9332 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9333 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9334 SendToProgram(buf, cps);
9337 SendToProgram(cps->initString, cps);
9338 if (gameInfo.variant != VariantNormal &&
9339 gameInfo.variant != VariantLoadable
9340 /* [HGM] also send variant if board size non-standard */
9341 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9343 char *v = VariantName(gameInfo.variant);
9344 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9345 /* [HGM] in protocol 1 we have to assume all variants valid */
9346 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9347 DisplayFatalError(buf, 0, 1);
9351 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9352 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9353 if( gameInfo.variant == VariantXiangqi )
9354 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9355 if( gameInfo.variant == VariantShogi )
9356 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9357 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9358 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9359 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9360 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9361 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9362 if( gameInfo.variant == VariantCourier )
9363 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9364 if( gameInfo.variant == VariantSuper )
9365 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9366 if( gameInfo.variant == VariantGreat )
9367 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9368 if( gameInfo.variant == VariantSChess )
9369 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9372 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9373 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9374 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9375 if(StrStr(cps->variants, b) == NULL) {
9376 // specific sized variant not known, check if general sizing allowed
9377 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9378 if(StrStr(cps->variants, "boardsize") == NULL) {
9379 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9380 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9381 DisplayFatalError(buf, 0, 1);
9384 /* [HGM] here we really should compare with the maximum supported board size */
9387 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9388 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9389 SendToProgram(buf, cps);
9391 currentlyInitializedVariant = gameInfo.variant;
9393 /* [HGM] send opening position in FRC to first engine */
9395 SendToProgram("force\n", cps);
9397 /* engine is now in force mode! Set flag to wake it up after first move. */
9398 setboardSpoiledMachineBlack = 1;
9402 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9403 SendToProgram(buf, cps);
9405 cps->maybeThinking = FALSE;
9406 cps->offeredDraw = 0;
9407 if (!appData.icsActive) {
9408 SendTimeControl(cps, movesPerSession, timeControl,
9409 timeIncrement, appData.searchDepth,
9412 if (appData.showThinking
9413 // [HGM] thinking: four options require thinking output to be sent
9414 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9416 SendToProgram("post\n", cps);
9418 SendToProgram("hard\n", cps);
9419 if (!appData.ponderNextMove) {
9420 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9421 it without being sure what state we are in first. "hard"
9422 is not a toggle, so that one is OK.
9424 SendToProgram("easy\n", cps);
9427 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9428 SendToProgram(buf, cps);
9430 cps->initDone = TRUE;
9435 StartChessProgram(cps)
9436 ChessProgramState *cps;
9441 if (appData.noChessProgram) return;
9442 cps->initDone = FALSE;
9444 if (strcmp(cps->host, "localhost") == 0) {
9445 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9446 } else if (*appData.remoteShell == NULLCHAR) {
9447 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9449 if (*appData.remoteUser == NULLCHAR) {
9450 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9453 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9454 cps->host, appData.remoteUser, cps->program);
9456 err = StartChildProcess(buf, "", &cps->pr);
9460 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9461 DisplayFatalError(buf, err, 1);
9467 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9468 if (cps->protocolVersion > 1) {
9469 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9470 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9471 cps->comboCnt = 0; // and values of combo boxes
9472 SendToProgram(buf, cps);
9474 SendToProgram("xboard\n", cps);
9479 TwoMachinesEventIfReady P((void))
9481 static int curMess = 0;
9482 if (first.lastPing != first.lastPong) {
9483 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9484 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9487 if (second.lastPing != second.lastPong) {
9488 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9489 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9492 DisplayMessage("", ""); curMess = 0;
9498 CreateTourney(char *name)
9501 if(name[0] == NULLCHAR) return 0;
9502 f = fopen(appData.tourneyFile, "r");
9503 if(f) { // file exists
9504 ParseArgsFromFile(f); // parse it
9506 f = fopen(appData.tourneyFile, "w");
9507 if(f == NULL) { DisplayError("Could not write on tourney file", 0); return 0; } else {
9508 // create a file with tournament description
9509 fprintf(f, "-participants {%s}\n", appData.participants);
9510 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9511 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9512 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9513 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9514 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9515 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9516 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9517 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9518 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9519 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9520 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9522 fprintf(f, "-searchTime \"%s\"\n", appData.searchTime);
9524 fprintf(f, "-mps %d\n", appData.movesPerSession);
9525 fprintf(f, "-tc %s\n", appData.timeControl);
9526 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9528 fprintf(f, "-results \"\"\n");
9532 appData.noChessProgram = FALSE;
9533 appData.clockMode = TRUE;
9538 #define MAXENGINES 1000
9539 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9541 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9543 char buf[MSG_SIZ], *p, *q;
9547 while(*p && *p != '\n') *q++ = *p++;
9549 if(engineList[i]) free(engineList[i]);
9550 engineList[i] = strdup(buf);
9552 TidyProgramName(engineList[i], "localhost", buf);
9553 if(engineMnemonic[i]) free(engineMnemonic[i]);
9554 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9556 sscanf(q + 8, "%s", buf + strlen(buf));
9559 engineMnemonic[i] = strdup(buf);
9561 if(i > MAXENGINES - 2) break;
9563 engineList[i] = NULL;
9566 // following implemented as macro to avoid type limitations
9567 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9569 void SwapEngines(int n)
9570 { // swap settings for first engine and other engine (so far only some selected options)
9575 SWAP(chessProgram, p)
9577 SWAP(hasOwnBookUCI, h)
9578 SWAP(protocolVersion, h)
9580 SWAP(scoreIsAbsolute, h)
9587 SetPlayer(int player)
9588 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9590 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9591 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9592 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9593 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9595 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9596 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL;
9597 ParseArgsFromString(buf);
9603 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9604 { // determine players from game number
9605 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle, pairingsPerRound;
9607 if(appData.tourneyType == 0) {
9608 roundsPerCycle = (nPlayers - 1) | 1;
9609 pairingsPerRound = nPlayers / 2;
9610 } else if(appData.tourneyType > 0) {
9611 roundsPerCycle = nPlayers - appData.tourneyType;
9612 pairingsPerRound = appData.tourneyType;
9614 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9615 gamesPerCycle = gamesPerRound * roundsPerCycle;
9616 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9617 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9618 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9619 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9620 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9621 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9623 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9624 if(appData.roundSync) *syncInterval = gamesPerRound;
9626 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9628 if(appData.tourneyType == 0) {
9629 if(curPairing == (nPlayers-1)/2 ) {
9630 *whitePlayer = curRound;
9631 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9633 *whitePlayer = curRound - pairingsPerRound + curPairing;
9634 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9635 *blackPlayer = curRound + pairingsPerRound - curPairing;
9636 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9638 } else if(appData.tourneyType > 0) {
9639 *whitePlayer = curPairing;
9640 *blackPlayer = curRound + appData.tourneyType;
9643 // take care of white/black alternation per round.
9644 // For cycles and games this is already taken care of by default, derived from matchGame!
9645 return curRound & 1;
9649 NextTourneyGame(int nr, int *swapColors)
9650 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9652 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers=0;
9654 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9655 tf = fopen(appData.tourneyFile, "r");
9656 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9657 ParseArgsFromFile(tf); fclose(tf);
9658 InitTimeControls(); // TC might be altered from tourney file
9660 p = appData.participants;
9661 while(p = strchr(p, '\n')) p++, nPlayers++; // count participants
9662 *swapColors = Pairing(nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9665 p = q = appData.results;
9666 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9667 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9668 DisplayMessage(_("Waiting for other game(s)"),"");
9669 waitingForGame = TRUE;
9670 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9673 waitingForGame = FALSE;
9676 if(first.pr != NoProc) return 1; // engines already loaded
9678 // redefine engines, engine dir, etc.
9679 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
9680 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
9682 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
9683 SwapEngines(1); // and make that valid for second engine by swapping
9684 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
9685 InitEngine(&second, 1);
9686 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
9692 { // performs game initialization that does not invoke engines, and then tries to start the game
9693 int firstWhite, swapColors = 0;
9694 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
9695 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
9696 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
9697 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
9698 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
9699 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
9700 Reset(FALSE, first.pr != NoProc);
9701 appData.noChessProgram = FALSE;
9702 if(!LoadGameOrPosition(matchGame)) return; // setup game; abort when bad game/pos file
9706 void UserAdjudicationEvent( int result )
9708 ChessMove gameResult = GameIsDrawn;
9711 gameResult = WhiteWins;
9713 else if( result < 0 ) {
9714 gameResult = BlackWins;
9717 if( gameMode == TwoMachinesPlay ) {
9718 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9723 // [HGM] save: calculate checksum of game to make games easily identifiable
9724 int StringCheckSum(char *s)
9727 if(s==NULL) return 0;
9728 while(*s) i = i*259 + *s++;
9735 for(i=backwardMostMove; i<forwardMostMove; i++) {
9736 sum += pvInfoList[i].depth;
9737 sum += StringCheckSum(parseList[i]);
9738 sum += StringCheckSum(commentList[i]);
9741 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9742 return sum + StringCheckSum(commentList[i]);
9743 } // end of save patch
9746 GameEnds(result, resultDetails, whosays)
9748 char *resultDetails;
9751 GameMode nextGameMode;
9753 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
9755 if(endingGame) return; /* [HGM] crash: forbid recursion */
9757 if(twoBoards) { // [HGM] dual: switch back to one board
9758 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9759 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9761 if (appData.debugMode) {
9762 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9763 result, resultDetails ? resultDetails : "(null)", whosays);
9766 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9768 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9769 /* If we are playing on ICS, the server decides when the
9770 game is over, but the engine can offer to draw, claim
9774 if (appData.zippyPlay && first.initDone) {
9775 if (result == GameIsDrawn) {
9776 /* In case draw still needs to be claimed */
9777 SendToICS(ics_prefix);
9778 SendToICS("draw\n");
9779 } else if (StrCaseStr(resultDetails, "resign")) {
9780 SendToICS(ics_prefix);
9781 SendToICS("resign\n");
9785 endingGame = 0; /* [HGM] crash */
9789 /* If we're loading the game from a file, stop */
9790 if (whosays == GE_FILE) {
9791 (void) StopLoadGameTimer();
9795 /* Cancel draw offers */
9796 first.offeredDraw = second.offeredDraw = 0;
9798 /* If this is an ICS game, only ICS can really say it's done;
9799 if not, anyone can. */
9800 isIcsGame = (gameMode == IcsPlayingWhite ||
9801 gameMode == IcsPlayingBlack ||
9802 gameMode == IcsObserving ||
9803 gameMode == IcsExamining);
9805 if (!isIcsGame || whosays == GE_ICS) {
9806 /* OK -- not an ICS game, or ICS said it was done */
9808 if (!isIcsGame && !appData.noChessProgram)
9809 SetUserThinkingEnables();
9811 /* [HGM] if a machine claims the game end we verify this claim */
9812 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9813 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9815 ChessMove trueResult = (ChessMove) -1;
9817 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9818 first.twoMachinesColor[0] :
9819 second.twoMachinesColor[0] ;
9821 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9822 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9823 /* [HGM] verify: engine mate claims accepted if they were flagged */
9824 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9826 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9827 /* [HGM] verify: engine mate claims accepted if they were flagged */
9828 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9830 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9831 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9834 // now verify win claims, but not in drop games, as we don't understand those yet
9835 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9836 || gameInfo.variant == VariantGreat) &&
9837 (result == WhiteWins && claimer == 'w' ||
9838 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9839 if (appData.debugMode) {
9840 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9841 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9843 if(result != trueResult) {
9844 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9845 result = claimer == 'w' ? BlackWins : WhiteWins;
9846 resultDetails = buf;
9849 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9850 && (forwardMostMove <= backwardMostMove ||
9851 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9852 (claimer=='b')==(forwardMostMove&1))
9854 /* [HGM] verify: draws that were not flagged are false claims */
9855 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9856 result = claimer == 'w' ? BlackWins : WhiteWins;
9857 resultDetails = buf;
9859 /* (Claiming a loss is accepted no questions asked!) */
9861 /* [HGM] bare: don't allow bare King to win */
9862 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9863 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9864 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9865 && result != GameIsDrawn)
9866 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9867 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9868 int p = (signed char)boards[forwardMostMove][i][j] - color;
9869 if(p >= 0 && p <= (int)WhiteKing) k++;
9871 if (appData.debugMode) {
9872 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9873 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9876 result = GameIsDrawn;
9877 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9878 resultDetails = buf;
9884 if(serverMoves != NULL && !loadFlag) { char c = '=';
9885 if(result==WhiteWins) c = '+';
9886 if(result==BlackWins) c = '-';
9887 if(resultDetails != NULL)
9888 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9890 if (resultDetails != NULL) {
9891 gameInfo.result = result;
9892 gameInfo.resultDetails = StrSave(resultDetails);
9894 /* display last move only if game was not loaded from file */
9895 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9896 DisplayMove(currentMove - 1);
9898 if (forwardMostMove != 0) {
9899 if (gameMode != PlayFromGameFile && gameMode != EditGame
9900 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9902 if (*appData.saveGameFile != NULLCHAR) {
9903 SaveGameToFile(appData.saveGameFile, TRUE);
9904 } else if (appData.autoSaveGames) {
9907 if (*appData.savePositionFile != NULLCHAR) {
9908 SavePositionToFile(appData.savePositionFile);
9913 /* Tell program how game ended in case it is learning */
9914 /* [HGM] Moved this to after saving the PGN, just in case */
9915 /* engine died and we got here through time loss. In that */
9916 /* case we will get a fatal error writing the pipe, which */
9917 /* would otherwise lose us the PGN. */
9918 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9919 /* output during GameEnds should never be fatal anymore */
9920 if (gameMode == MachinePlaysWhite ||
9921 gameMode == MachinePlaysBlack ||
9922 gameMode == TwoMachinesPlay ||
9923 gameMode == IcsPlayingWhite ||
9924 gameMode == IcsPlayingBlack ||
9925 gameMode == BeginningOfGame) {
9927 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9929 if (first.pr != NoProc) {
9930 SendToProgram(buf, &first);
9932 if (second.pr != NoProc &&
9933 gameMode == TwoMachinesPlay) {
9934 SendToProgram(buf, &second);
9939 if (appData.icsActive) {
9940 if (appData.quietPlay &&
9941 (gameMode == IcsPlayingWhite ||
9942 gameMode == IcsPlayingBlack)) {
9943 SendToICS(ics_prefix);
9944 SendToICS("set shout 1\n");
9946 nextGameMode = IcsIdle;
9947 ics_user_moved = FALSE;
9948 /* clean up premove. It's ugly when the game has ended and the
9949 * premove highlights are still on the board.
9953 ClearPremoveHighlights();
9954 DrawPosition(FALSE, boards[currentMove]);
9956 if (whosays == GE_ICS) {
9959 if (gameMode == IcsPlayingWhite)
9961 else if(gameMode == IcsPlayingBlack)
9965 if (gameMode == IcsPlayingBlack)
9967 else if(gameMode == IcsPlayingWhite)
9974 PlayIcsUnfinishedSound();
9977 } else if (gameMode == EditGame ||
9978 gameMode == PlayFromGameFile ||
9979 gameMode == AnalyzeMode ||
9980 gameMode == AnalyzeFile) {
9981 nextGameMode = gameMode;
9983 nextGameMode = EndOfGame;
9988 nextGameMode = gameMode;
9991 if (appData.noChessProgram) {
9992 gameMode = nextGameMode;
9994 endingGame = 0; /* [HGM] crash */
9999 /* Put first chess program into idle state */
10000 if (first.pr != NoProc &&
10001 (gameMode == MachinePlaysWhite ||
10002 gameMode == MachinePlaysBlack ||
10003 gameMode == TwoMachinesPlay ||
10004 gameMode == IcsPlayingWhite ||
10005 gameMode == IcsPlayingBlack ||
10006 gameMode == BeginningOfGame)) {
10007 SendToProgram("force\n", &first);
10008 if (first.usePing) {
10010 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10011 SendToProgram(buf, &first);
10014 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10015 /* Kill off first chess program */
10016 if (first.isr != NULL)
10017 RemoveInputSource(first.isr);
10020 if (first.pr != NoProc) {
10022 DoSleep( appData.delayBeforeQuit );
10023 SendToProgram("quit\n", &first);
10024 DoSleep( appData.delayAfterQuit );
10025 DestroyChildProcess(first.pr, first.useSigterm);
10029 if (second.reuse) {
10030 /* Put second chess program into idle state */
10031 if (second.pr != NoProc &&
10032 gameMode == TwoMachinesPlay) {
10033 SendToProgram("force\n", &second);
10034 if (second.usePing) {
10036 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10037 SendToProgram(buf, &second);
10040 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10041 /* Kill off second chess program */
10042 if (second.isr != NULL)
10043 RemoveInputSource(second.isr);
10046 if (second.pr != NoProc) {
10047 DoSleep( appData.delayBeforeQuit );
10048 SendToProgram("quit\n", &second);
10049 DoSleep( appData.delayAfterQuit );
10050 DestroyChildProcess(second.pr, second.useSigterm);
10052 second.pr = NoProc;
10055 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10056 char resChar = '=';
10060 if (first.twoMachinesColor[0] == 'w') {
10063 second.matchWins++;
10068 if (first.twoMachinesColor[0] == 'b') {
10071 second.matchWins++;
10074 case GameUnfinished:
10080 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10081 if(appData.tourneyFile[0] && !abortMatch){ // [HGM] we are in a tourney; update tourney file with game result
10082 ReserveGame(nextGame, resChar); // sets nextGame
10083 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10084 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10086 if (nextGame <= appData.matchGames && !abortMatch) {
10087 gameMode = nextGameMode;
10088 matchGame = nextGame; // this will be overruled in tourney mode!
10089 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10090 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10091 endingGame = 0; /* [HGM] crash */
10094 gameMode = nextGameMode;
10095 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10096 first.tidy, second.tidy,
10097 first.matchWins, second.matchWins,
10098 appData.matchGames - (first.matchWins + second.matchWins));
10099 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10100 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10101 first.twoMachinesColor = "black\n";
10102 second.twoMachinesColor = "white\n";
10104 first.twoMachinesColor = "white\n";
10105 second.twoMachinesColor = "black\n";
10109 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10110 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10112 gameMode = nextGameMode;
10114 endingGame = 0; /* [HGM] crash */
10115 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10116 if(matchMode == TRUE) { // match through command line: exit with or without popup
10118 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10120 } else DisplayFatalError(buf, 0, 0);
10121 } else { // match through menu; just stop, with or without popup
10122 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10124 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10125 } else DisplayNote(buf);
10127 if(ranking) free(ranking);
10131 /* Assumes program was just initialized (initString sent).
10132 Leaves program in force mode. */
10134 FeedMovesToProgram(cps, upto)
10135 ChessProgramState *cps;
10140 if (appData.debugMode)
10141 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10142 startedFromSetupPosition ? "position and " : "",
10143 backwardMostMove, upto, cps->which);
10144 if(currentlyInitializedVariant != gameInfo.variant) {
10146 // [HGM] variantswitch: make engine aware of new variant
10147 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10148 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10149 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10150 SendToProgram(buf, cps);
10151 currentlyInitializedVariant = gameInfo.variant;
10153 SendToProgram("force\n", cps);
10154 if (startedFromSetupPosition) {
10155 SendBoard(cps, backwardMostMove);
10156 if (appData.debugMode) {
10157 fprintf(debugFP, "feedMoves\n");
10160 for (i = backwardMostMove; i < upto; i++) {
10161 SendMoveToProgram(i, cps);
10167 ResurrectChessProgram()
10169 /* The chess program may have exited.
10170 If so, restart it and feed it all the moves made so far. */
10171 static int doInit = 0;
10173 if (appData.noChessProgram) return 1;
10175 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10176 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10177 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10178 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10180 if (first.pr != NoProc) return 1;
10181 StartChessProgram(&first);
10183 InitChessProgram(&first, FALSE);
10184 FeedMovesToProgram(&first, currentMove);
10186 if (!first.sendTime) {
10187 /* can't tell gnuchess what its clock should read,
10188 so we bow to its notion. */
10190 timeRemaining[0][currentMove] = whiteTimeRemaining;
10191 timeRemaining[1][currentMove] = blackTimeRemaining;
10194 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10195 appData.icsEngineAnalyze) && first.analysisSupport) {
10196 SendToProgram("analyze\n", &first);
10197 first.analyzing = TRUE;
10203 * Button procedures
10206 Reset(redraw, init)
10211 if (appData.debugMode) {
10212 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10213 redraw, init, gameMode);
10215 CleanupTail(); // [HGM] vari: delete any stored variations
10216 pausing = pauseExamInvalid = FALSE;
10217 startedFromSetupPosition = blackPlaysFirst = FALSE;
10219 whiteFlag = blackFlag = FALSE;
10220 userOfferedDraw = FALSE;
10221 hintRequested = bookRequested = FALSE;
10222 first.maybeThinking = FALSE;
10223 second.maybeThinking = FALSE;
10224 first.bookSuspend = FALSE; // [HGM] book
10225 second.bookSuspend = FALSE;
10226 thinkOutput[0] = NULLCHAR;
10227 lastHint[0] = NULLCHAR;
10228 ClearGameInfo(&gameInfo);
10229 gameInfo.variant = StringToVariant(appData.variant);
10230 ics_user_moved = ics_clock_paused = FALSE;
10231 ics_getting_history = H_FALSE;
10233 white_holding[0] = black_holding[0] = NULLCHAR;
10234 ClearProgramStats();
10235 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10239 flipView = appData.flipView;
10240 ClearPremoveHighlights();
10241 gotPremove = FALSE;
10242 alarmSounded = FALSE;
10244 GameEnds(EndOfFile, NULL, GE_PLAYER);
10245 if(appData.serverMovesName != NULL) {
10246 /* [HGM] prepare to make moves file for broadcasting */
10247 clock_t t = clock();
10248 if(serverMoves != NULL) fclose(serverMoves);
10249 serverMoves = fopen(appData.serverMovesName, "r");
10250 if(serverMoves != NULL) {
10251 fclose(serverMoves);
10252 /* delay 15 sec before overwriting, so all clients can see end */
10253 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10255 serverMoves = fopen(appData.serverMovesName, "w");
10259 gameMode = BeginningOfGame;
10261 if(appData.icsActive) gameInfo.variant = VariantNormal;
10262 currentMove = forwardMostMove = backwardMostMove = 0;
10263 InitPosition(redraw);
10264 for (i = 0; i < MAX_MOVES; i++) {
10265 if (commentList[i] != NULL) {
10266 free(commentList[i]);
10267 commentList[i] = NULL;
10271 timeRemaining[0][0] = whiteTimeRemaining;
10272 timeRemaining[1][0] = blackTimeRemaining;
10274 if (first.pr == NULL) {
10275 StartChessProgram(&first);
10278 InitChessProgram(&first, startedFromSetupPosition);
10281 DisplayMessage("", "");
10282 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10283 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10290 if (!AutoPlayOneMove())
10292 if (matchMode || appData.timeDelay == 0)
10294 if (appData.timeDelay < 0)
10296 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10305 int fromX, fromY, toX, toY;
10307 if (appData.debugMode) {
10308 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10311 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10314 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10315 pvInfoList[currentMove].depth = programStats.depth;
10316 pvInfoList[currentMove].score = programStats.score;
10317 pvInfoList[currentMove].time = 0;
10318 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10321 if (currentMove >= forwardMostMove) {
10322 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10323 gameMode = EditGame;
10326 /* [AS] Clear current move marker at the end of a game */
10327 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10332 toX = moveList[currentMove][2] - AAA;
10333 toY = moveList[currentMove][3] - ONE;
10335 if (moveList[currentMove][1] == '@') {
10336 if (appData.highlightLastMove) {
10337 SetHighlights(-1, -1, toX, toY);
10340 fromX = moveList[currentMove][0] - AAA;
10341 fromY = moveList[currentMove][1] - ONE;
10343 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10345 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10347 if (appData.highlightLastMove) {
10348 SetHighlights(fromX, fromY, toX, toY);
10351 DisplayMove(currentMove);
10352 SendMoveToProgram(currentMove++, &first);
10353 DisplayBothClocks();
10354 DrawPosition(FALSE, boards[currentMove]);
10355 // [HGM] PV info: always display, routine tests if empty
10356 DisplayComment(currentMove - 1, commentList[currentMove]);
10362 LoadGameOneMove(readAhead)
10363 ChessMove readAhead;
10365 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10366 char promoChar = NULLCHAR;
10367 ChessMove moveType;
10368 char move[MSG_SIZ];
10371 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10372 gameMode != AnalyzeMode && gameMode != Training) {
10377 yyboardindex = forwardMostMove;
10378 if (readAhead != EndOfFile) {
10379 moveType = readAhead;
10381 if (gameFileFP == NULL)
10383 moveType = (ChessMove) Myylex();
10387 switch (moveType) {
10389 if (appData.debugMode)
10390 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10393 /* append the comment but don't display it */
10394 AppendComment(currentMove, p, FALSE);
10397 case WhiteCapturesEnPassant:
10398 case BlackCapturesEnPassant:
10399 case WhitePromotion:
10400 case BlackPromotion:
10401 case WhiteNonPromotion:
10402 case BlackNonPromotion:
10404 case WhiteKingSideCastle:
10405 case WhiteQueenSideCastle:
10406 case BlackKingSideCastle:
10407 case BlackQueenSideCastle:
10408 case WhiteKingSideCastleWild:
10409 case WhiteQueenSideCastleWild:
10410 case BlackKingSideCastleWild:
10411 case BlackQueenSideCastleWild:
10413 case WhiteHSideCastleFR:
10414 case WhiteASideCastleFR:
10415 case BlackHSideCastleFR:
10416 case BlackASideCastleFR:
10418 if (appData.debugMode)
10419 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10420 fromX = currentMoveString[0] - AAA;
10421 fromY = currentMoveString[1] - ONE;
10422 toX = currentMoveString[2] - AAA;
10423 toY = currentMoveString[3] - ONE;
10424 promoChar = currentMoveString[4];
10429 if (appData.debugMode)
10430 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10431 fromX = moveType == WhiteDrop ?
10432 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10433 (int) CharToPiece(ToLower(currentMoveString[0]));
10435 toX = currentMoveString[2] - AAA;
10436 toY = currentMoveString[3] - ONE;
10442 case GameUnfinished:
10443 if (appData.debugMode)
10444 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10445 p = strchr(yy_text, '{');
10446 if (p == NULL) p = strchr(yy_text, '(');
10449 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10451 q = strchr(p, *p == '{' ? '}' : ')');
10452 if (q != NULL) *q = NULLCHAR;
10455 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10456 GameEnds(moveType, p, GE_FILE);
10458 if (cmailMsgLoaded) {
10460 flipView = WhiteOnMove(currentMove);
10461 if (moveType == GameUnfinished) flipView = !flipView;
10462 if (appData.debugMode)
10463 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10468 if (appData.debugMode)
10469 fprintf(debugFP, "Parser hit end of file\n");
10470 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10476 if (WhiteOnMove(currentMove)) {
10477 GameEnds(BlackWins, "Black mates", GE_FILE);
10479 GameEnds(WhiteWins, "White mates", GE_FILE);
10483 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10489 case MoveNumberOne:
10490 if (lastLoadGameStart == GNUChessGame) {
10491 /* GNUChessGames have numbers, but they aren't move numbers */
10492 if (appData.debugMode)
10493 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10494 yy_text, (int) moveType);
10495 return LoadGameOneMove(EndOfFile); /* tail recursion */
10497 /* else fall thru */
10502 /* Reached start of next game in file */
10503 if (appData.debugMode)
10504 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10505 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10511 if (WhiteOnMove(currentMove)) {
10512 GameEnds(BlackWins, "Black mates", GE_FILE);
10514 GameEnds(WhiteWins, "White mates", GE_FILE);
10518 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10524 case PositionDiagram: /* should not happen; ignore */
10525 case ElapsedTime: /* ignore */
10526 case NAG: /* ignore */
10527 if (appData.debugMode)
10528 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10529 yy_text, (int) moveType);
10530 return LoadGameOneMove(EndOfFile); /* tail recursion */
10533 if (appData.testLegality) {
10534 if (appData.debugMode)
10535 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10536 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10537 (forwardMostMove / 2) + 1,
10538 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10539 DisplayError(move, 0);
10542 if (appData.debugMode)
10543 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10544 yy_text, currentMoveString);
10545 fromX = currentMoveString[0] - AAA;
10546 fromY = currentMoveString[1] - ONE;
10547 toX = currentMoveString[2] - AAA;
10548 toY = currentMoveString[3] - ONE;
10549 promoChar = currentMoveString[4];
10553 case AmbiguousMove:
10554 if (appData.debugMode)
10555 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10556 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10557 (forwardMostMove / 2) + 1,
10558 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10559 DisplayError(move, 0);
10564 case ImpossibleMove:
10565 if (appData.debugMode)
10566 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10567 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10568 (forwardMostMove / 2) + 1,
10569 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10570 DisplayError(move, 0);
10576 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10577 DrawPosition(FALSE, boards[currentMove]);
10578 DisplayBothClocks();
10579 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10580 DisplayComment(currentMove - 1, commentList[currentMove]);
10582 (void) StopLoadGameTimer();
10584 cmailOldMove = forwardMostMove;
10587 /* currentMoveString is set as a side-effect of yylex */
10589 thinkOutput[0] = NULLCHAR;
10590 MakeMove(fromX, fromY, toX, toY, promoChar);
10591 currentMove = forwardMostMove;
10596 /* Load the nth game from the given file */
10598 LoadGameFromFile(filename, n, title, useList)
10602 /*Boolean*/ int useList;
10607 if (strcmp(filename, "-") == 0) {
10611 f = fopen(filename, "rb");
10613 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10614 DisplayError(buf, errno);
10618 if (fseek(f, 0, 0) == -1) {
10619 /* f is not seekable; probably a pipe */
10622 if (useList && n == 0) {
10623 int error = GameListBuild(f);
10625 DisplayError(_("Cannot build game list"), error);
10626 } else if (!ListEmpty(&gameList) &&
10627 ((ListGame *) gameList.tailPred)->number > 1) {
10628 GameListPopUp(f, title);
10635 return LoadGame(f, n, title, FALSE);
10640 MakeRegisteredMove()
10642 int fromX, fromY, toX, toY;
10644 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10645 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10648 if (appData.debugMode)
10649 fprintf(debugFP, "Restoring %s for game %d\n",
10650 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10652 thinkOutput[0] = NULLCHAR;
10653 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10654 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10655 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10656 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10657 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10658 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10659 MakeMove(fromX, fromY, toX, toY, promoChar);
10660 ShowMove(fromX, fromY, toX, toY);
10662 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10669 if (WhiteOnMove(currentMove)) {
10670 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10672 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10677 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10684 if (WhiteOnMove(currentMove)) {
10685 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10687 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10692 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10703 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10705 CmailLoadGame(f, gameNumber, title, useList)
10713 if (gameNumber > nCmailGames) {
10714 DisplayError(_("No more games in this message"), 0);
10717 if (f == lastLoadGameFP) {
10718 int offset = gameNumber - lastLoadGameNumber;
10720 cmailMsg[0] = NULLCHAR;
10721 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10722 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10723 nCmailMovesRegistered--;
10725 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10726 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10727 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10730 if (! RegisterMove()) return FALSE;
10734 retVal = LoadGame(f, gameNumber, title, useList);
10736 /* Make move registered during previous look at this game, if any */
10737 MakeRegisteredMove();
10739 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10740 commentList[currentMove]
10741 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10742 DisplayComment(currentMove - 1, commentList[currentMove]);
10748 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10753 int gameNumber = lastLoadGameNumber + offset;
10754 if (lastLoadGameFP == NULL) {
10755 DisplayError(_("No game has been loaded yet"), 0);
10758 if (gameNumber <= 0) {
10759 DisplayError(_("Can't back up any further"), 0);
10762 if (cmailMsgLoaded) {
10763 return CmailLoadGame(lastLoadGameFP, gameNumber,
10764 lastLoadGameTitle, lastLoadGameUseList);
10766 return LoadGame(lastLoadGameFP, gameNumber,
10767 lastLoadGameTitle, lastLoadGameUseList);
10773 /* Load the nth game from open file f */
10775 LoadGame(f, gameNumber, title, useList)
10783 int gn = gameNumber;
10784 ListGame *lg = NULL;
10785 int numPGNTags = 0;
10787 GameMode oldGameMode;
10788 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10790 if (appData.debugMode)
10791 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10793 if (gameMode == Training )
10794 SetTrainingModeOff();
10796 oldGameMode = gameMode;
10797 if (gameMode != BeginningOfGame) {
10798 Reset(FALSE, TRUE);
10802 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10803 fclose(lastLoadGameFP);
10807 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10810 fseek(f, lg->offset, 0);
10811 GameListHighlight(gameNumber);
10815 DisplayError(_("Game number out of range"), 0);
10820 if (fseek(f, 0, 0) == -1) {
10821 if (f == lastLoadGameFP ?
10822 gameNumber == lastLoadGameNumber + 1 :
10826 DisplayError(_("Can't seek on game file"), 0);
10831 lastLoadGameFP = f;
10832 lastLoadGameNumber = gameNumber;
10833 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10834 lastLoadGameUseList = useList;
10838 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10839 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10840 lg->gameInfo.black);
10842 } else if (*title != NULLCHAR) {
10843 if (gameNumber > 1) {
10844 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10847 DisplayTitle(title);
10851 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10852 gameMode = PlayFromGameFile;
10856 currentMove = forwardMostMove = backwardMostMove = 0;
10857 CopyBoard(boards[0], initialPosition);
10861 * Skip the first gn-1 games in the file.
10862 * Also skip over anything that precedes an identifiable
10863 * start of game marker, to avoid being confused by
10864 * garbage at the start of the file. Currently
10865 * recognized start of game markers are the move number "1",
10866 * the pattern "gnuchess .* game", the pattern
10867 * "^[#;%] [^ ]* game file", and a PGN tag block.
10868 * A game that starts with one of the latter two patterns
10869 * will also have a move number 1, possibly
10870 * following a position diagram.
10871 * 5-4-02: Let's try being more lenient and allowing a game to
10872 * start with an unnumbered move. Does that break anything?
10874 cm = lastLoadGameStart = EndOfFile;
10876 yyboardindex = forwardMostMove;
10877 cm = (ChessMove) Myylex();
10880 if (cmailMsgLoaded) {
10881 nCmailGames = CMAIL_MAX_GAMES - gn;
10884 DisplayError(_("Game not found in file"), 0);
10891 lastLoadGameStart = cm;
10894 case MoveNumberOne:
10895 switch (lastLoadGameStart) {
10900 case MoveNumberOne:
10902 gn--; /* count this game */
10903 lastLoadGameStart = cm;
10912 switch (lastLoadGameStart) {
10915 case MoveNumberOne:
10917 gn--; /* count this game */
10918 lastLoadGameStart = cm;
10921 lastLoadGameStart = cm; /* game counted already */
10929 yyboardindex = forwardMostMove;
10930 cm = (ChessMove) Myylex();
10931 } while (cm == PGNTag || cm == Comment);
10938 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10939 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10940 != CMAIL_OLD_RESULT) {
10942 cmailResult[ CMAIL_MAX_GAMES
10943 - gn - 1] = CMAIL_OLD_RESULT;
10949 /* Only a NormalMove can be at the start of a game
10950 * without a position diagram. */
10951 if (lastLoadGameStart == EndOfFile ) {
10953 lastLoadGameStart = MoveNumberOne;
10962 if (appData.debugMode)
10963 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10965 if (cm == XBoardGame) {
10966 /* Skip any header junk before position diagram and/or move 1 */
10968 yyboardindex = forwardMostMove;
10969 cm = (ChessMove) Myylex();
10971 if (cm == EndOfFile ||
10972 cm == GNUChessGame || cm == XBoardGame) {
10973 /* Empty game; pretend end-of-file and handle later */
10978 if (cm == MoveNumberOne || cm == PositionDiagram ||
10979 cm == PGNTag || cm == Comment)
10982 } else if (cm == GNUChessGame) {
10983 if (gameInfo.event != NULL) {
10984 free(gameInfo.event);
10986 gameInfo.event = StrSave(yy_text);
10989 startedFromSetupPosition = FALSE;
10990 while (cm == PGNTag) {
10991 if (appData.debugMode)
10992 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10993 err = ParsePGNTag(yy_text, &gameInfo);
10994 if (!err) numPGNTags++;
10996 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10997 if(gameInfo.variant != oldVariant) {
10998 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10999 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11000 InitPosition(TRUE);
11001 oldVariant = gameInfo.variant;
11002 if (appData.debugMode)
11003 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11007 if (gameInfo.fen != NULL) {
11008 Board initial_position;
11009 startedFromSetupPosition = TRUE;
11010 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11012 DisplayError(_("Bad FEN position in file"), 0);
11015 CopyBoard(boards[0], initial_position);
11016 if (blackPlaysFirst) {
11017 currentMove = forwardMostMove = backwardMostMove = 1;
11018 CopyBoard(boards[1], initial_position);
11019 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11020 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11021 timeRemaining[0][1] = whiteTimeRemaining;
11022 timeRemaining[1][1] = blackTimeRemaining;
11023 if (commentList[0] != NULL) {
11024 commentList[1] = commentList[0];
11025 commentList[0] = NULL;
11028 currentMove = forwardMostMove = backwardMostMove = 0;
11030 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11032 initialRulePlies = FENrulePlies;
11033 for( i=0; i< nrCastlingRights; i++ )
11034 initialRights[i] = initial_position[CASTLING][i];
11036 yyboardindex = forwardMostMove;
11037 free(gameInfo.fen);
11038 gameInfo.fen = NULL;
11041 yyboardindex = forwardMostMove;
11042 cm = (ChessMove) Myylex();
11044 /* Handle comments interspersed among the tags */
11045 while (cm == Comment) {
11047 if (appData.debugMode)
11048 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11050 AppendComment(currentMove, p, FALSE);
11051 yyboardindex = forwardMostMove;
11052 cm = (ChessMove) Myylex();
11056 /* don't rely on existence of Event tag since if game was
11057 * pasted from clipboard the Event tag may not exist
11059 if (numPGNTags > 0){
11061 if (gameInfo.variant == VariantNormal) {
11062 VariantClass v = StringToVariant(gameInfo.event);
11063 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11064 if(v < VariantShogi) gameInfo.variant = v;
11067 if( appData.autoDisplayTags ) {
11068 tags = PGNTags(&gameInfo);
11069 TagsPopUp(tags, CmailMsg());
11074 /* Make something up, but don't display it now */
11079 if (cm == PositionDiagram) {
11082 Board initial_position;
11084 if (appData.debugMode)
11085 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11087 if (!startedFromSetupPosition) {
11089 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11090 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11101 initial_position[i][j++] = CharToPiece(*p);
11104 while (*p == ' ' || *p == '\t' ||
11105 *p == '\n' || *p == '\r') p++;
11107 if (strncmp(p, "black", strlen("black"))==0)
11108 blackPlaysFirst = TRUE;
11110 blackPlaysFirst = FALSE;
11111 startedFromSetupPosition = TRUE;
11113 CopyBoard(boards[0], initial_position);
11114 if (blackPlaysFirst) {
11115 currentMove = forwardMostMove = backwardMostMove = 1;
11116 CopyBoard(boards[1], initial_position);
11117 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11118 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11119 timeRemaining[0][1] = whiteTimeRemaining;
11120 timeRemaining[1][1] = blackTimeRemaining;
11121 if (commentList[0] != NULL) {
11122 commentList[1] = commentList[0];
11123 commentList[0] = NULL;
11126 currentMove = forwardMostMove = backwardMostMove = 0;
11129 yyboardindex = forwardMostMove;
11130 cm = (ChessMove) Myylex();
11133 if (first.pr == NoProc) {
11134 StartChessProgram(&first);
11136 InitChessProgram(&first, FALSE);
11137 SendToProgram("force\n", &first);
11138 if (startedFromSetupPosition) {
11139 SendBoard(&first, forwardMostMove);
11140 if (appData.debugMode) {
11141 fprintf(debugFP, "Load Game\n");
11143 DisplayBothClocks();
11146 /* [HGM] server: flag to write setup moves in broadcast file as one */
11147 loadFlag = appData.suppressLoadMoves;
11149 while (cm == Comment) {
11151 if (appData.debugMode)
11152 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11154 AppendComment(currentMove, p, FALSE);
11155 yyboardindex = forwardMostMove;
11156 cm = (ChessMove) Myylex();
11159 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11160 cm == WhiteWins || cm == BlackWins ||
11161 cm == GameIsDrawn || cm == GameUnfinished) {
11162 DisplayMessage("", _("No moves in game"));
11163 if (cmailMsgLoaded) {
11164 if (appData.debugMode)
11165 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11169 DrawPosition(FALSE, boards[currentMove]);
11170 DisplayBothClocks();
11171 gameMode = EditGame;
11178 // [HGM] PV info: routine tests if comment empty
11179 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11180 DisplayComment(currentMove - 1, commentList[currentMove]);
11182 if (!matchMode && appData.timeDelay != 0)
11183 DrawPosition(FALSE, boards[currentMove]);
11185 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11186 programStats.ok_to_send = 1;
11189 /* if the first token after the PGN tags is a move
11190 * and not move number 1, retrieve it from the parser
11192 if (cm != MoveNumberOne)
11193 LoadGameOneMove(cm);
11195 /* load the remaining moves from the file */
11196 while (LoadGameOneMove(EndOfFile)) {
11197 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11198 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11201 /* rewind to the start of the game */
11202 currentMove = backwardMostMove;
11204 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11206 if (oldGameMode == AnalyzeFile ||
11207 oldGameMode == AnalyzeMode) {
11208 AnalyzeFileEvent();
11211 if (matchMode || appData.timeDelay == 0) {
11213 gameMode = EditGame;
11215 } else if (appData.timeDelay > 0) {
11216 AutoPlayGameLoop();
11219 if (appData.debugMode)
11220 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11222 loadFlag = 0; /* [HGM] true game starts */
11226 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11228 ReloadPosition(offset)
11231 int positionNumber = lastLoadPositionNumber + offset;
11232 if (lastLoadPositionFP == NULL) {
11233 DisplayError(_("No position has been loaded yet"), 0);
11236 if (positionNumber <= 0) {
11237 DisplayError(_("Can't back up any further"), 0);
11240 return LoadPosition(lastLoadPositionFP, positionNumber,
11241 lastLoadPositionTitle);
11244 /* Load the nth position from the given file */
11246 LoadPositionFromFile(filename, n, title)
11254 if (strcmp(filename, "-") == 0) {
11255 return LoadPosition(stdin, n, "stdin");
11257 f = fopen(filename, "rb");
11259 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11260 DisplayError(buf, errno);
11263 return LoadPosition(f, n, title);
11268 /* Load the nth position from the given open file, and close it */
11270 LoadPosition(f, positionNumber, title)
11272 int positionNumber;
11275 char *p, line[MSG_SIZ];
11276 Board initial_position;
11277 int i, j, fenMode, pn;
11279 if (gameMode == Training )
11280 SetTrainingModeOff();
11282 if (gameMode != BeginningOfGame) {
11283 Reset(FALSE, TRUE);
11285 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11286 fclose(lastLoadPositionFP);
11288 if (positionNumber == 0) positionNumber = 1;
11289 lastLoadPositionFP = f;
11290 lastLoadPositionNumber = positionNumber;
11291 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11292 if (first.pr == NoProc) {
11293 StartChessProgram(&first);
11294 InitChessProgram(&first, FALSE);
11296 pn = positionNumber;
11297 if (positionNumber < 0) {
11298 /* Negative position number means to seek to that byte offset */
11299 if (fseek(f, -positionNumber, 0) == -1) {
11300 DisplayError(_("Can't seek on position file"), 0);
11305 if (fseek(f, 0, 0) == -1) {
11306 if (f == lastLoadPositionFP ?
11307 positionNumber == lastLoadPositionNumber + 1 :
11308 positionNumber == 1) {
11311 DisplayError(_("Can't seek on position file"), 0);
11316 /* See if this file is FEN or old-style xboard */
11317 if (fgets(line, MSG_SIZ, f) == NULL) {
11318 DisplayError(_("Position not found in file"), 0);
11321 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
11322 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
11325 if (fenMode || line[0] == '#') pn--;
11327 /* skip positions before number pn */
11328 if (fgets(line, MSG_SIZ, f) == NULL) {
11330 DisplayError(_("Position not found in file"), 0);
11333 if (fenMode || line[0] == '#') pn--;
11338 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
11339 DisplayError(_("Bad FEN position in file"), 0);
11343 (void) fgets(line, MSG_SIZ, f);
11344 (void) fgets(line, MSG_SIZ, f);
11346 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11347 (void) fgets(line, MSG_SIZ, f);
11348 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
11351 initial_position[i][j++] = CharToPiece(*p);
11355 blackPlaysFirst = FALSE;
11357 (void) fgets(line, MSG_SIZ, f);
11358 if (strncmp(line, "black", strlen("black"))==0)
11359 blackPlaysFirst = TRUE;
11362 startedFromSetupPosition = TRUE;
11364 SendToProgram("force\n", &first);
11365 CopyBoard(boards[0], initial_position);
11366 if (blackPlaysFirst) {
11367 currentMove = forwardMostMove = backwardMostMove = 1;
11368 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11369 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11370 CopyBoard(boards[1], initial_position);
11371 DisplayMessage("", _("Black to play"));
11373 currentMove = forwardMostMove = backwardMostMove = 0;
11374 DisplayMessage("", _("White to play"));
11376 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
11377 SendBoard(&first, forwardMostMove);
11378 if (appData.debugMode) {
11380 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
11381 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
11382 fprintf(debugFP, "Load Position\n");
11385 if (positionNumber > 1) {
11386 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
11387 DisplayTitle(line);
11389 DisplayTitle(title);
11391 gameMode = EditGame;
11394 timeRemaining[0][1] = whiteTimeRemaining;
11395 timeRemaining[1][1] = blackTimeRemaining;
11396 DrawPosition(FALSE, boards[currentMove]);
11403 CopyPlayerNameIntoFileName(dest, src)
11406 while (*src != NULLCHAR && *src != ',') {
11411 *(*dest)++ = *src++;
11416 char *DefaultFileName(ext)
11419 static char def[MSG_SIZ];
11422 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
11424 CopyPlayerNameIntoFileName(&p, gameInfo.white);
11426 CopyPlayerNameIntoFileName(&p, gameInfo.black);
11428 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
11435 /* Save the current game to the given file */
11437 SaveGameToFile(filename, append)
11445 if (strcmp(filename, "-") == 0) {
11446 return SaveGame(stdout, 0, NULL);
11448 f = fopen(filename, append ? "a" : "w");
11450 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11451 DisplayError(buf, errno);
11454 safeStrCpy(buf, lastMsg, MSG_SIZ);
11455 DisplayMessage(_("Waiting for access to save file"), "");
11456 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
11457 DisplayMessage(_("Saving game"), "");
11458 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
11459 result = SaveGame(f, 0, NULL);
11460 DisplayMessage(buf, "");
11470 static char buf[MSG_SIZ];
11473 p = strchr(str, ' ');
11474 if (p == NULL) return str;
11475 strncpy(buf, str, p - str);
11476 buf[p - str] = NULLCHAR;
11480 #define PGN_MAX_LINE 75
11482 #define PGN_SIDE_WHITE 0
11483 #define PGN_SIDE_BLACK 1
11486 static int FindFirstMoveOutOfBook( int side )
11490 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
11491 int index = backwardMostMove;
11492 int has_book_hit = 0;
11494 if( (index % 2) != side ) {
11498 while( index < forwardMostMove ) {
11499 /* Check to see if engine is in book */
11500 int depth = pvInfoList[index].depth;
11501 int score = pvInfoList[index].score;
11507 else if( score == 0 && depth == 63 ) {
11508 in_book = 1; /* Zappa */
11510 else if( score == 2 && depth == 99 ) {
11511 in_book = 1; /* Abrok */
11514 has_book_hit += in_book;
11530 void GetOutOfBookInfo( char * buf )
11534 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11536 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
11537 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
11541 if( oob[0] >= 0 || oob[1] >= 0 ) {
11542 for( i=0; i<2; i++ ) {
11546 if( i > 0 && oob[0] >= 0 ) {
11547 strcat( buf, " " );
11550 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
11551 sprintf( buf+strlen(buf), "%s%.2f",
11552 pvInfoList[idx].score >= 0 ? "+" : "",
11553 pvInfoList[idx].score / 100.0 );
11559 /* Save game in PGN style and close the file */
11564 int i, offset, linelen, newblock;
11568 int movelen, numlen, blank;
11569 char move_buffer[100]; /* [AS] Buffer for move+PV info */
11571 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11573 tm = time((time_t *) NULL);
11575 PrintPGNTags(f, &gameInfo);
11577 if (backwardMostMove > 0 || startedFromSetupPosition) {
11578 char *fen = PositionToFEN(backwardMostMove, NULL);
11579 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
11580 fprintf(f, "\n{--------------\n");
11581 PrintPosition(f, backwardMostMove);
11582 fprintf(f, "--------------}\n");
11586 /* [AS] Out of book annotation */
11587 if( appData.saveOutOfBookInfo ) {
11590 GetOutOfBookInfo( buf );
11592 if( buf[0] != '\0' ) {
11593 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
11600 i = backwardMostMove;
11604 while (i < forwardMostMove) {
11605 /* Print comments preceding this move */
11606 if (commentList[i] != NULL) {
11607 if (linelen > 0) fprintf(f, "\n");
11608 fprintf(f, "%s", commentList[i]);
11613 /* Format move number */
11615 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
11618 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
11620 numtext[0] = NULLCHAR;
11622 numlen = strlen(numtext);
11625 /* Print move number */
11626 blank = linelen > 0 && numlen > 0;
11627 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
11636 fprintf(f, "%s", numtext);
11640 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
11641 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
11644 blank = linelen > 0 && movelen > 0;
11645 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11654 fprintf(f, "%s", move_buffer);
11655 linelen += movelen;
11657 /* [AS] Add PV info if present */
11658 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
11659 /* [HGM] add time */
11660 char buf[MSG_SIZ]; int seconds;
11662 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11668 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11671 seconds = (seconds + 4)/10; // round to full seconds
11673 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11675 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11678 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11679 pvInfoList[i].score >= 0 ? "+" : "",
11680 pvInfoList[i].score / 100.0,
11681 pvInfoList[i].depth,
11684 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11686 /* Print score/depth */
11687 blank = linelen > 0 && movelen > 0;
11688 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11697 fprintf(f, "%s", move_buffer);
11698 linelen += movelen;
11704 /* Start a new line */
11705 if (linelen > 0) fprintf(f, "\n");
11707 /* Print comments after last move */
11708 if (commentList[i] != NULL) {
11709 fprintf(f, "%s\n", commentList[i]);
11713 if (gameInfo.resultDetails != NULL &&
11714 gameInfo.resultDetails[0] != NULLCHAR) {
11715 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11716 PGNResult(gameInfo.result));
11718 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11722 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11726 /* Save game in old style and close the file */
11728 SaveGameOldStyle(f)
11734 tm = time((time_t *) NULL);
11736 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11739 if (backwardMostMove > 0 || startedFromSetupPosition) {
11740 fprintf(f, "\n[--------------\n");
11741 PrintPosition(f, backwardMostMove);
11742 fprintf(f, "--------------]\n");
11747 i = backwardMostMove;
11748 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11750 while (i < forwardMostMove) {
11751 if (commentList[i] != NULL) {
11752 fprintf(f, "[%s]\n", commentList[i]);
11755 if ((i % 2) == 1) {
11756 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11759 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11761 if (commentList[i] != NULL) {
11765 if (i >= forwardMostMove) {
11769 fprintf(f, "%s\n", parseList[i]);
11774 if (commentList[i] != NULL) {
11775 fprintf(f, "[%s]\n", commentList[i]);
11778 /* This isn't really the old style, but it's close enough */
11779 if (gameInfo.resultDetails != NULL &&
11780 gameInfo.resultDetails[0] != NULLCHAR) {
11781 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11782 gameInfo.resultDetails);
11784 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11791 /* Save the current game to open file f and close the file */
11793 SaveGame(f, dummy, dummy2)
11798 if (gameMode == EditPosition) EditPositionDone(TRUE);
11799 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11800 if (appData.oldSaveStyle)
11801 return SaveGameOldStyle(f);
11803 return SaveGamePGN(f);
11806 /* Save the current position to the given file */
11808 SavePositionToFile(filename)
11814 if (strcmp(filename, "-") == 0) {
11815 return SavePosition(stdout, 0, NULL);
11817 f = fopen(filename, "a");
11819 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11820 DisplayError(buf, errno);
11823 safeStrCpy(buf, lastMsg, MSG_SIZ);
11824 DisplayMessage(_("Waiting for access to save file"), "");
11825 flock(fileno(f), LOCK_EX); // [HGM] lock
11826 DisplayMessage(_("Saving position"), "");
11827 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
11828 SavePosition(f, 0, NULL);
11829 DisplayMessage(buf, "");
11835 /* Save the current position to the given open file and close the file */
11837 SavePosition(f, dummy, dummy2)
11845 if (gameMode == EditPosition) EditPositionDone(TRUE);
11846 if (appData.oldSaveStyle) {
11847 tm = time((time_t *) NULL);
11849 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11851 fprintf(f, "[--------------\n");
11852 PrintPosition(f, currentMove);
11853 fprintf(f, "--------------]\n");
11855 fen = PositionToFEN(currentMove, NULL);
11856 fprintf(f, "%s\n", fen);
11864 ReloadCmailMsgEvent(unregister)
11868 static char *inFilename = NULL;
11869 static char *outFilename;
11871 struct stat inbuf, outbuf;
11874 /* Any registered moves are unregistered if unregister is set, */
11875 /* i.e. invoked by the signal handler */
11877 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11878 cmailMoveRegistered[i] = FALSE;
11879 if (cmailCommentList[i] != NULL) {
11880 free(cmailCommentList[i]);
11881 cmailCommentList[i] = NULL;
11884 nCmailMovesRegistered = 0;
11887 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11888 cmailResult[i] = CMAIL_NOT_RESULT;
11892 if (inFilename == NULL) {
11893 /* Because the filenames are static they only get malloced once */
11894 /* and they never get freed */
11895 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11896 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11898 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11899 sprintf(outFilename, "%s.out", appData.cmailGameName);
11902 status = stat(outFilename, &outbuf);
11904 cmailMailedMove = FALSE;
11906 status = stat(inFilename, &inbuf);
11907 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11910 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11911 counts the games, notes how each one terminated, etc.
11913 It would be nice to remove this kludge and instead gather all
11914 the information while building the game list. (And to keep it
11915 in the game list nodes instead of having a bunch of fixed-size
11916 parallel arrays.) Note this will require getting each game's
11917 termination from the PGN tags, as the game list builder does
11918 not process the game moves. --mann
11920 cmailMsgLoaded = TRUE;
11921 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11923 /* Load first game in the file or popup game menu */
11924 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11926 #endif /* !WIN32 */
11934 char string[MSG_SIZ];
11936 if ( cmailMailedMove
11937 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11938 return TRUE; /* Allow free viewing */
11941 /* Unregister move to ensure that we don't leave RegisterMove */
11942 /* with the move registered when the conditions for registering no */
11944 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11945 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11946 nCmailMovesRegistered --;
11948 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11950 free(cmailCommentList[lastLoadGameNumber - 1]);
11951 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11955 if (cmailOldMove == -1) {
11956 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11960 if (currentMove > cmailOldMove + 1) {
11961 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11965 if (currentMove < cmailOldMove) {
11966 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11970 if (forwardMostMove > currentMove) {
11971 /* Silently truncate extra moves */
11975 if ( (currentMove == cmailOldMove + 1)
11976 || ( (currentMove == cmailOldMove)
11977 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11978 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11979 if (gameInfo.result != GameUnfinished) {
11980 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11983 if (commentList[currentMove] != NULL) {
11984 cmailCommentList[lastLoadGameNumber - 1]
11985 = StrSave(commentList[currentMove]);
11987 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11989 if (appData.debugMode)
11990 fprintf(debugFP, "Saving %s for game %d\n",
11991 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11993 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11995 f = fopen(string, "w");
11996 if (appData.oldSaveStyle) {
11997 SaveGameOldStyle(f); /* also closes the file */
11999 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12000 f = fopen(string, "w");
12001 SavePosition(f, 0, NULL); /* also closes the file */
12003 fprintf(f, "{--------------\n");
12004 PrintPosition(f, currentMove);
12005 fprintf(f, "--------------}\n\n");
12007 SaveGame(f, 0, NULL); /* also closes the file*/
12010 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12011 nCmailMovesRegistered ++;
12012 } else if (nCmailGames == 1) {
12013 DisplayError(_("You have not made a move yet"), 0);
12024 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12025 FILE *commandOutput;
12026 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12027 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12033 if (! cmailMsgLoaded) {
12034 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12038 if (nCmailGames == nCmailResults) {
12039 DisplayError(_("No unfinished games"), 0);
12043 #if CMAIL_PROHIBIT_REMAIL
12044 if (cmailMailedMove) {
12045 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);
12046 DisplayError(msg, 0);
12051 if (! (cmailMailedMove || RegisterMove())) return;
12053 if ( cmailMailedMove
12054 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12055 snprintf(string, MSG_SIZ, partCommandString,
12056 appData.debugMode ? " -v" : "", appData.cmailGameName);
12057 commandOutput = popen(string, "r");
12059 if (commandOutput == NULL) {
12060 DisplayError(_("Failed to invoke cmail"), 0);
12062 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12063 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12065 if (nBuffers > 1) {
12066 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12067 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12068 nBytes = MSG_SIZ - 1;
12070 (void) memcpy(msg, buffer, nBytes);
12072 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12074 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12075 cmailMailedMove = TRUE; /* Prevent >1 moves */
12078 for (i = 0; i < nCmailGames; i ++) {
12079 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12084 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12086 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12088 appData.cmailGameName,
12090 LoadGameFromFile(buffer, 1, buffer, FALSE);
12091 cmailMsgLoaded = FALSE;
12095 DisplayInformation(msg);
12096 pclose(commandOutput);
12099 if ((*cmailMsg) != '\0') {
12100 DisplayInformation(cmailMsg);
12105 #endif /* !WIN32 */
12114 int prependComma = 0;
12116 char string[MSG_SIZ]; /* Space for game-list */
12119 if (!cmailMsgLoaded) return "";
12121 if (cmailMailedMove) {
12122 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12124 /* Create a list of games left */
12125 snprintf(string, MSG_SIZ, "[");
12126 for (i = 0; i < nCmailGames; i ++) {
12127 if (! ( cmailMoveRegistered[i]
12128 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12129 if (prependComma) {
12130 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12132 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12136 strcat(string, number);
12139 strcat(string, "]");
12141 if (nCmailMovesRegistered + nCmailResults == 0) {
12142 switch (nCmailGames) {
12144 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12148 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12152 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12157 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12159 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12164 if (nCmailResults == nCmailGames) {
12165 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12167 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12172 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12184 if (gameMode == Training)
12185 SetTrainingModeOff();
12188 cmailMsgLoaded = FALSE;
12189 if (appData.icsActive) {
12190 SendToICS(ics_prefix);
12191 SendToICS("refresh\n");
12201 /* Give up on clean exit */
12205 /* Keep trying for clean exit */
12209 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12211 if (telnetISR != NULL) {
12212 RemoveInputSource(telnetISR);
12214 if (icsPR != NoProc) {
12215 DestroyChildProcess(icsPR, TRUE);
12218 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12219 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12221 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12222 /* make sure this other one finishes before killing it! */
12223 if(endingGame) { int count = 0;
12224 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12225 while(endingGame && count++ < 10) DoSleep(1);
12226 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12229 /* Kill off chess programs */
12230 if (first.pr != NoProc) {
12233 DoSleep( appData.delayBeforeQuit );
12234 SendToProgram("quit\n", &first);
12235 DoSleep( appData.delayAfterQuit );
12236 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12238 if (second.pr != NoProc) {
12239 DoSleep( appData.delayBeforeQuit );
12240 SendToProgram("quit\n", &second);
12241 DoSleep( appData.delayAfterQuit );
12242 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12244 if (first.isr != NULL) {
12245 RemoveInputSource(first.isr);
12247 if (second.isr != NULL) {
12248 RemoveInputSource(second.isr);
12251 ShutDownFrontEnd();
12258 if (appData.debugMode)
12259 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12263 if (gameMode == MachinePlaysWhite ||
12264 gameMode == MachinePlaysBlack) {
12267 DisplayBothClocks();
12269 if (gameMode == PlayFromGameFile) {
12270 if (appData.timeDelay >= 0)
12271 AutoPlayGameLoop();
12272 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12273 Reset(FALSE, TRUE);
12274 SendToICS(ics_prefix);
12275 SendToICS("refresh\n");
12276 } else if (currentMove < forwardMostMove) {
12277 ForwardInner(forwardMostMove);
12279 pauseExamInvalid = FALSE;
12281 switch (gameMode) {
12285 pauseExamForwardMostMove = forwardMostMove;
12286 pauseExamInvalid = FALSE;
12289 case IcsPlayingWhite:
12290 case IcsPlayingBlack:
12294 case PlayFromGameFile:
12295 (void) StopLoadGameTimer();
12299 case BeginningOfGame:
12300 if (appData.icsActive) return;
12301 /* else fall through */
12302 case MachinePlaysWhite:
12303 case MachinePlaysBlack:
12304 case TwoMachinesPlay:
12305 if (forwardMostMove == 0)
12306 return; /* don't pause if no one has moved */
12307 if ((gameMode == MachinePlaysWhite &&
12308 !WhiteOnMove(forwardMostMove)) ||
12309 (gameMode == MachinePlaysBlack &&
12310 WhiteOnMove(forwardMostMove))) {
12323 char title[MSG_SIZ];
12325 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
12326 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
12328 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
12329 WhiteOnMove(currentMove - 1) ? " " : ".. ",
12330 parseList[currentMove - 1]);
12333 EditCommentPopUp(currentMove, title, commentList[currentMove]);
12340 char *tags = PGNTags(&gameInfo);
12342 EditTagsPopUp(tags, NULL);
12349 if (appData.noChessProgram || gameMode == AnalyzeMode)
12352 if (gameMode != AnalyzeFile) {
12353 if (!appData.icsEngineAnalyze) {
12355 if (gameMode != EditGame) return;
12357 ResurrectChessProgram();
12358 SendToProgram("analyze\n", &first);
12359 first.analyzing = TRUE;
12360 /*first.maybeThinking = TRUE;*/
12361 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12362 EngineOutputPopUp();
12364 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
12369 StartAnalysisClock();
12370 GetTimeMark(&lastNodeCountTime);
12377 if (appData.noChessProgram || gameMode == AnalyzeFile)
12380 if (gameMode != AnalyzeMode) {
12382 if (gameMode != EditGame) return;
12383 ResurrectChessProgram();
12384 SendToProgram("analyze\n", &first);
12385 first.analyzing = TRUE;
12386 /*first.maybeThinking = TRUE;*/
12387 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12388 EngineOutputPopUp();
12390 gameMode = AnalyzeFile;
12395 StartAnalysisClock();
12396 GetTimeMark(&lastNodeCountTime);
12401 MachineWhiteEvent()
12404 char *bookHit = NULL;
12406 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
12410 if (gameMode == PlayFromGameFile ||
12411 gameMode == TwoMachinesPlay ||
12412 gameMode == Training ||
12413 gameMode == AnalyzeMode ||
12414 gameMode == EndOfGame)
12417 if (gameMode == EditPosition)
12418 EditPositionDone(TRUE);
12420 if (!WhiteOnMove(currentMove)) {
12421 DisplayError(_("It is not White's turn"), 0);
12425 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12428 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12429 gameMode == AnalyzeFile)
12432 ResurrectChessProgram(); /* in case it isn't running */
12433 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
12434 gameMode = MachinePlaysWhite;
12437 gameMode = MachinePlaysWhite;
12441 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12443 if (first.sendName) {
12444 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
12445 SendToProgram(buf, &first);
12447 if (first.sendTime) {
12448 if (first.useColors) {
12449 SendToProgram("black\n", &first); /*gnu kludge*/
12451 SendTimeRemaining(&first, TRUE);
12453 if (first.useColors) {
12454 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
12456 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12457 SetMachineThinkingEnables();
12458 first.maybeThinking = TRUE;
12462 if (appData.autoFlipView && !flipView) {
12463 flipView = !flipView;
12464 DrawPosition(FALSE, NULL);
12465 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12468 if(bookHit) { // [HGM] book: simulate book reply
12469 static char bookMove[MSG_SIZ]; // a bit generous?
12471 programStats.nodes = programStats.depth = programStats.time =
12472 programStats.score = programStats.got_only_move = 0;
12473 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12475 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12476 strcat(bookMove, bookHit);
12477 HandleMachineMove(bookMove, &first);
12482 MachineBlackEvent()
12485 char *bookHit = NULL;
12487 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
12491 if (gameMode == PlayFromGameFile ||
12492 gameMode == TwoMachinesPlay ||
12493 gameMode == Training ||
12494 gameMode == AnalyzeMode ||
12495 gameMode == EndOfGame)
12498 if (gameMode == EditPosition)
12499 EditPositionDone(TRUE);
12501 if (WhiteOnMove(currentMove)) {
12502 DisplayError(_("It is not Black's turn"), 0);
12506 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
12509 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12510 gameMode == AnalyzeFile)
12513 ResurrectChessProgram(); /* in case it isn't running */
12514 gameMode = MachinePlaysBlack;
12518 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12520 if (first.sendName) {
12521 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
12522 SendToProgram(buf, &first);
12524 if (first.sendTime) {
12525 if (first.useColors) {
12526 SendToProgram("white\n", &first); /*gnu kludge*/
12528 SendTimeRemaining(&first, FALSE);
12530 if (first.useColors) {
12531 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
12533 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
12534 SetMachineThinkingEnables();
12535 first.maybeThinking = TRUE;
12538 if (appData.autoFlipView && flipView) {
12539 flipView = !flipView;
12540 DrawPosition(FALSE, NULL);
12541 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
12543 if(bookHit) { // [HGM] book: simulate book reply
12544 static char bookMove[MSG_SIZ]; // a bit generous?
12546 programStats.nodes = programStats.depth = programStats.time =
12547 programStats.score = programStats.got_only_move = 0;
12548 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12550 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12551 strcat(bookMove, bookHit);
12552 HandleMachineMove(bookMove, &first);
12558 DisplayTwoMachinesTitle()
12561 if (appData.matchGames > 0) {
12562 if (first.twoMachinesColor[0] == 'w') {
12563 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12564 gameInfo.white, gameInfo.black,
12565 first.matchWins, second.matchWins,
12566 matchGame - 1 - (first.matchWins + second.matchWins));
12568 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
12569 gameInfo.white, gameInfo.black,
12570 second.matchWins, first.matchWins,
12571 matchGame - 1 - (first.matchWins + second.matchWins));
12574 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
12580 SettingsMenuIfReady()
12582 if (second.lastPing != second.lastPong) {
12583 DisplayMessage("", _("Waiting for second chess program"));
12584 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
12588 DisplayMessage("", "");
12589 SettingsPopUp(&second);
12593 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
12596 if (cps->pr == NULL) {
12597 StartChessProgram(cps);
12598 if (cps->protocolVersion == 1) {
12601 /* kludge: allow timeout for initial "feature" command */
12603 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
12604 DisplayMessage("", buf);
12605 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
12613 TwoMachinesEvent P((void))
12617 ChessProgramState *onmove;
12618 char *bookHit = NULL;
12619 static int stalling = 0;
12623 if (appData.noChessProgram) return;
12625 switch (gameMode) {
12626 case TwoMachinesPlay:
12628 case MachinePlaysWhite:
12629 case MachinePlaysBlack:
12630 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12631 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12635 case BeginningOfGame:
12636 case PlayFromGameFile:
12639 if (gameMode != EditGame) return;
12642 EditPositionDone(TRUE);
12653 // forwardMostMove = currentMove;
12654 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
12656 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
12658 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
12659 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
12660 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12664 InitChessProgram(&second, FALSE); // unbalances ping of second engine
12665 SendToProgram("force\n", &second);
12667 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
12670 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
12671 if(appData.matchPause>10000 || appData.matchPause<10)
12672 appData.matchPause = 10000; /* [HGM] make pause adjustable */
12673 wait = SubtractTimeMarks(&now, &pauseStart);
12674 if(wait < appData.matchPause) {
12675 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
12679 DisplayMessage("", "");
12680 if (startedFromSetupPosition) {
12681 SendBoard(&second, backwardMostMove);
12682 if (appData.debugMode) {
12683 fprintf(debugFP, "Two Machines\n");
12686 for (i = backwardMostMove; i < forwardMostMove; i++) {
12687 SendMoveToProgram(i, &second);
12690 gameMode = TwoMachinesPlay;
12694 DisplayTwoMachinesTitle();
12696 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12701 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
12702 SendToProgram(first.computerString, &first);
12703 if (first.sendName) {
12704 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12705 SendToProgram(buf, &first);
12707 SendToProgram(second.computerString, &second);
12708 if (second.sendName) {
12709 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12710 SendToProgram(buf, &second);
12714 if (!first.sendTime || !second.sendTime) {
12715 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12716 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12718 if (onmove->sendTime) {
12719 if (onmove->useColors) {
12720 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12722 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12724 if (onmove->useColors) {
12725 SendToProgram(onmove->twoMachinesColor, onmove);
12727 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12728 // SendToProgram("go\n", onmove);
12729 onmove->maybeThinking = TRUE;
12730 SetMachineThinkingEnables();
12734 if(bookHit) { // [HGM] book: simulate book reply
12735 static char bookMove[MSG_SIZ]; // a bit generous?
12737 programStats.nodes = programStats.depth = programStats.time =
12738 programStats.score = programStats.got_only_move = 0;
12739 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12741 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12742 strcat(bookMove, bookHit);
12743 savedMessage = bookMove; // args for deferred call
12744 savedState = onmove;
12745 ScheduleDelayedEvent(DeferredBookMove, 1);
12752 if (gameMode == Training) {
12753 SetTrainingModeOff();
12754 gameMode = PlayFromGameFile;
12755 DisplayMessage("", _("Training mode off"));
12757 gameMode = Training;
12758 animateTraining = appData.animate;
12760 /* make sure we are not already at the end of the game */
12761 if (currentMove < forwardMostMove) {
12762 SetTrainingModeOn();
12763 DisplayMessage("", _("Training mode on"));
12765 gameMode = PlayFromGameFile;
12766 DisplayError(_("Already at end of game"), 0);
12775 if (!appData.icsActive) return;
12776 switch (gameMode) {
12777 case IcsPlayingWhite:
12778 case IcsPlayingBlack:
12781 case BeginningOfGame:
12789 EditPositionDone(TRUE);
12802 gameMode = IcsIdle;
12813 switch (gameMode) {
12815 SetTrainingModeOff();
12817 case MachinePlaysWhite:
12818 case MachinePlaysBlack:
12819 case BeginningOfGame:
12820 SendToProgram("force\n", &first);
12821 SetUserThinkingEnables();
12823 case PlayFromGameFile:
12824 (void) StopLoadGameTimer();
12825 if (gameFileFP != NULL) {
12830 EditPositionDone(TRUE);
12835 SendToProgram("force\n", &first);
12837 case TwoMachinesPlay:
12838 GameEnds(EndOfFile, NULL, GE_PLAYER);
12839 ResurrectChessProgram();
12840 SetUserThinkingEnables();
12843 ResurrectChessProgram();
12845 case IcsPlayingBlack:
12846 case IcsPlayingWhite:
12847 DisplayError(_("Warning: You are still playing a game"), 0);
12850 DisplayError(_("Warning: You are still observing a game"), 0);
12853 DisplayError(_("Warning: You are still examining a game"), 0);
12864 first.offeredDraw = second.offeredDraw = 0;
12866 if (gameMode == PlayFromGameFile) {
12867 whiteTimeRemaining = timeRemaining[0][currentMove];
12868 blackTimeRemaining = timeRemaining[1][currentMove];
12872 if (gameMode == MachinePlaysWhite ||
12873 gameMode == MachinePlaysBlack ||
12874 gameMode == TwoMachinesPlay ||
12875 gameMode == EndOfGame) {
12876 i = forwardMostMove;
12877 while (i > currentMove) {
12878 SendToProgram("undo\n", &first);
12881 whiteTimeRemaining = timeRemaining[0][currentMove];
12882 blackTimeRemaining = timeRemaining[1][currentMove];
12883 DisplayBothClocks();
12884 if (whiteFlag || blackFlag) {
12885 whiteFlag = blackFlag = 0;
12890 gameMode = EditGame;
12897 EditPositionEvent()
12899 if (gameMode == EditPosition) {
12905 if (gameMode != EditGame) return;
12907 gameMode = EditPosition;
12910 if (currentMove > 0)
12911 CopyBoard(boards[0], boards[currentMove]);
12913 blackPlaysFirst = !WhiteOnMove(currentMove);
12915 currentMove = forwardMostMove = backwardMostMove = 0;
12916 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12923 /* [DM] icsEngineAnalyze - possible call from other functions */
12924 if (appData.icsEngineAnalyze) {
12925 appData.icsEngineAnalyze = FALSE;
12927 DisplayMessage("",_("Close ICS engine analyze..."));
12929 if (first.analysisSupport && first.analyzing) {
12930 SendToProgram("exit\n", &first);
12931 first.analyzing = FALSE;
12933 thinkOutput[0] = NULLCHAR;
12937 EditPositionDone(Boolean fakeRights)
12939 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12941 startedFromSetupPosition = TRUE;
12942 InitChessProgram(&first, FALSE);
12943 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12944 boards[0][EP_STATUS] = EP_NONE;
12945 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12946 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12947 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12948 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12949 } else boards[0][CASTLING][2] = NoRights;
12950 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12951 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12952 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12953 } else boards[0][CASTLING][5] = NoRights;
12955 SendToProgram("force\n", &first);
12956 if (blackPlaysFirst) {
12957 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12958 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12959 currentMove = forwardMostMove = backwardMostMove = 1;
12960 CopyBoard(boards[1], boards[0]);
12962 currentMove = forwardMostMove = backwardMostMove = 0;
12964 SendBoard(&first, forwardMostMove);
12965 if (appData.debugMode) {
12966 fprintf(debugFP, "EditPosDone\n");
12969 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12970 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12971 gameMode = EditGame;
12973 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12974 ClearHighlights(); /* [AS] */
12977 /* Pause for `ms' milliseconds */
12978 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12988 } while (SubtractTimeMarks(&m2, &m1) < ms);
12991 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12993 SendMultiLineToICS(buf)
12996 char temp[MSG_SIZ+1], *p;
13003 strncpy(temp, buf, len);
13008 if (*p == '\n' || *p == '\r')
13013 strcat(temp, "\n");
13015 SendToPlayer(temp, strlen(temp));
13019 SetWhiteToPlayEvent()
13021 if (gameMode == EditPosition) {
13022 blackPlaysFirst = FALSE;
13023 DisplayBothClocks(); /* works because currentMove is 0 */
13024 } else if (gameMode == IcsExamining) {
13025 SendToICS(ics_prefix);
13026 SendToICS("tomove white\n");
13031 SetBlackToPlayEvent()
13033 if (gameMode == EditPosition) {
13034 blackPlaysFirst = TRUE;
13035 currentMove = 1; /* kludge */
13036 DisplayBothClocks();
13038 } else if (gameMode == IcsExamining) {
13039 SendToICS(ics_prefix);
13040 SendToICS("tomove black\n");
13045 EditPositionMenuEvent(selection, x, y)
13046 ChessSquare selection;
13050 ChessSquare piece = boards[0][y][x];
13052 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13054 switch (selection) {
13056 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13057 SendToICS(ics_prefix);
13058 SendToICS("bsetup clear\n");
13059 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13060 SendToICS(ics_prefix);
13061 SendToICS("clearboard\n");
13063 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13064 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13065 for (y = 0; y < BOARD_HEIGHT; y++) {
13066 if (gameMode == IcsExamining) {
13067 if (boards[currentMove][y][x] != EmptySquare) {
13068 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13073 boards[0][y][x] = p;
13078 if (gameMode == EditPosition) {
13079 DrawPosition(FALSE, boards[0]);
13084 SetWhiteToPlayEvent();
13088 SetBlackToPlayEvent();
13092 if (gameMode == IcsExamining) {
13093 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13094 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13097 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13098 if(x == BOARD_LEFT-2) {
13099 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13100 boards[0][y][1] = 0;
13102 if(x == BOARD_RGHT+1) {
13103 if(y >= gameInfo.holdingsSize) break;
13104 boards[0][y][BOARD_WIDTH-2] = 0;
13107 boards[0][y][x] = EmptySquare;
13108 DrawPosition(FALSE, boards[0]);
13113 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13114 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13115 selection = (ChessSquare) (PROMOTED piece);
13116 } else if(piece == EmptySquare) selection = WhiteSilver;
13117 else selection = (ChessSquare)((int)piece - 1);
13121 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13122 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13123 selection = (ChessSquare) (DEMOTED piece);
13124 } else if(piece == EmptySquare) selection = BlackSilver;
13125 else selection = (ChessSquare)((int)piece + 1);
13130 if(gameInfo.variant == VariantShatranj ||
13131 gameInfo.variant == VariantXiangqi ||
13132 gameInfo.variant == VariantCourier ||
13133 gameInfo.variant == VariantMakruk )
13134 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13139 if(gameInfo.variant == VariantXiangqi)
13140 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13141 if(gameInfo.variant == VariantKnightmate)
13142 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13145 if (gameMode == IcsExamining) {
13146 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13147 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13148 PieceToChar(selection), AAA + x, ONE + y);
13151 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13153 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13154 n = PieceToNumber(selection - BlackPawn);
13155 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13156 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13157 boards[0][BOARD_HEIGHT-1-n][1]++;
13159 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13160 n = PieceToNumber(selection);
13161 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13162 boards[0][n][BOARD_WIDTH-1] = selection;
13163 boards[0][n][BOARD_WIDTH-2]++;
13166 boards[0][y][x] = selection;
13167 DrawPosition(TRUE, boards[0]);
13175 DropMenuEvent(selection, x, y)
13176 ChessSquare selection;
13179 ChessMove moveType;
13181 switch (gameMode) {
13182 case IcsPlayingWhite:
13183 case MachinePlaysBlack:
13184 if (!WhiteOnMove(currentMove)) {
13185 DisplayMoveError(_("It is Black's turn"));
13188 moveType = WhiteDrop;
13190 case IcsPlayingBlack:
13191 case MachinePlaysWhite:
13192 if (WhiteOnMove(currentMove)) {
13193 DisplayMoveError(_("It is White's turn"));
13196 moveType = BlackDrop;
13199 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13205 if (moveType == BlackDrop && selection < BlackPawn) {
13206 selection = (ChessSquare) ((int) selection
13207 + (int) BlackPawn - (int) WhitePawn);
13209 if (boards[currentMove][y][x] != EmptySquare) {
13210 DisplayMoveError(_("That square is occupied"));
13214 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13220 /* Accept a pending offer of any kind from opponent */
13222 if (appData.icsActive) {
13223 SendToICS(ics_prefix);
13224 SendToICS("accept\n");
13225 } else if (cmailMsgLoaded) {
13226 if (currentMove == cmailOldMove &&
13227 commentList[cmailOldMove] != NULL &&
13228 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13229 "Black offers a draw" : "White offers a draw")) {
13231 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13232 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13234 DisplayError(_("There is no pending offer on this move"), 0);
13235 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13238 /* Not used for offers from chess program */
13245 /* Decline a pending offer of any kind from opponent */
13247 if (appData.icsActive) {
13248 SendToICS(ics_prefix);
13249 SendToICS("decline\n");
13250 } else if (cmailMsgLoaded) {
13251 if (currentMove == cmailOldMove &&
13252 commentList[cmailOldMove] != NULL &&
13253 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13254 "Black offers a draw" : "White offers a draw")) {
13256 AppendComment(cmailOldMove, "Draw declined", TRUE);
13257 DisplayComment(cmailOldMove - 1, "Draw declined");
13260 DisplayError(_("There is no pending offer on this move"), 0);
13263 /* Not used for offers from chess program */
13270 /* Issue ICS rematch command */
13271 if (appData.icsActive) {
13272 SendToICS(ics_prefix);
13273 SendToICS("rematch\n");
13280 /* Call your opponent's flag (claim a win on time) */
13281 if (appData.icsActive) {
13282 SendToICS(ics_prefix);
13283 SendToICS("flag\n");
13285 switch (gameMode) {
13288 case MachinePlaysWhite:
13291 GameEnds(GameIsDrawn, "Both players ran out of time",
13294 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13296 DisplayError(_("Your opponent is not out of time"), 0);
13299 case MachinePlaysBlack:
13302 GameEnds(GameIsDrawn, "Both players ran out of time",
13305 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13307 DisplayError(_("Your opponent is not out of time"), 0);
13315 ClockClick(int which)
13316 { // [HGM] code moved to back-end from winboard.c
13317 if(which) { // black clock
13318 if (gameMode == EditPosition || gameMode == IcsExamining) {
13319 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13320 SetBlackToPlayEvent();
13321 } else if (gameMode == EditGame || shiftKey) {
13322 AdjustClock(which, -1);
13323 } else if (gameMode == IcsPlayingWhite ||
13324 gameMode == MachinePlaysBlack) {
13327 } else { // white clock
13328 if (gameMode == EditPosition || gameMode == IcsExamining) {
13329 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
13330 SetWhiteToPlayEvent();
13331 } else if (gameMode == EditGame || shiftKey) {
13332 AdjustClock(which, -1);
13333 } else if (gameMode == IcsPlayingBlack ||
13334 gameMode == MachinePlaysWhite) {
13343 /* Offer draw or accept pending draw offer from opponent */
13345 if (appData.icsActive) {
13346 /* Note: tournament rules require draw offers to be
13347 made after you make your move but before you punch
13348 your clock. Currently ICS doesn't let you do that;
13349 instead, you immediately punch your clock after making
13350 a move, but you can offer a draw at any time. */
13352 SendToICS(ics_prefix);
13353 SendToICS("draw\n");
13354 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
13355 } else if (cmailMsgLoaded) {
13356 if (currentMove == cmailOldMove &&
13357 commentList[cmailOldMove] != NULL &&
13358 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13359 "Black offers a draw" : "White offers a draw")) {
13360 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13361 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13362 } else if (currentMove == cmailOldMove + 1) {
13363 char *offer = WhiteOnMove(cmailOldMove) ?
13364 "White offers a draw" : "Black offers a draw";
13365 AppendComment(currentMove, offer, TRUE);
13366 DisplayComment(currentMove - 1, offer);
13367 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
13369 DisplayError(_("You must make your move before offering a draw"), 0);
13370 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13372 } else if (first.offeredDraw) {
13373 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
13375 if (first.sendDrawOffers) {
13376 SendToProgram("draw\n", &first);
13377 userOfferedDraw = TRUE;
13385 /* Offer Adjourn or accept pending Adjourn offer from opponent */
13387 if (appData.icsActive) {
13388 SendToICS(ics_prefix);
13389 SendToICS("adjourn\n");
13391 /* Currently GNU Chess doesn't offer or accept Adjourns */
13399 /* Offer Abort or accept pending Abort offer from opponent */
13401 if (appData.icsActive) {
13402 SendToICS(ics_prefix);
13403 SendToICS("abort\n");
13405 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
13412 /* Resign. You can do this even if it's not your turn. */
13414 if (appData.icsActive) {
13415 SendToICS(ics_prefix);
13416 SendToICS("resign\n");
13418 switch (gameMode) {
13419 case MachinePlaysWhite:
13420 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13422 case MachinePlaysBlack:
13423 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13426 if (cmailMsgLoaded) {
13428 if (WhiteOnMove(cmailOldMove)) {
13429 GameEnds(BlackWins, "White resigns", GE_PLAYER);
13431 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
13433 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
13444 StopObservingEvent()
13446 /* Stop observing current games */
13447 SendToICS(ics_prefix);
13448 SendToICS("unobserve\n");
13452 StopExaminingEvent()
13454 /* Stop observing current game */
13455 SendToICS(ics_prefix);
13456 SendToICS("unexamine\n");
13460 ForwardInner(target)
13465 if (appData.debugMode)
13466 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
13467 target, currentMove, forwardMostMove);
13469 if (gameMode == EditPosition)
13472 if (gameMode == PlayFromGameFile && !pausing)
13475 if (gameMode == IcsExamining && pausing)
13476 limit = pauseExamForwardMostMove;
13478 limit = forwardMostMove;
13480 if (target > limit) target = limit;
13482 if (target > 0 && moveList[target - 1][0]) {
13483 int fromX, fromY, toX, toY;
13484 toX = moveList[target - 1][2] - AAA;
13485 toY = moveList[target - 1][3] - ONE;
13486 if (moveList[target - 1][1] == '@') {
13487 if (appData.highlightLastMove) {
13488 SetHighlights(-1, -1, toX, toY);
13491 fromX = moveList[target - 1][0] - AAA;
13492 fromY = moveList[target - 1][1] - ONE;
13493 if (target == currentMove + 1) {
13494 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
13496 if (appData.highlightLastMove) {
13497 SetHighlights(fromX, fromY, toX, toY);
13501 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13502 gameMode == Training || gameMode == PlayFromGameFile ||
13503 gameMode == AnalyzeFile) {
13504 while (currentMove < target) {
13505 SendMoveToProgram(currentMove++, &first);
13508 currentMove = target;
13511 if (gameMode == EditGame || gameMode == EndOfGame) {
13512 whiteTimeRemaining = timeRemaining[0][currentMove];
13513 blackTimeRemaining = timeRemaining[1][currentMove];
13515 DisplayBothClocks();
13516 DisplayMove(currentMove - 1);
13517 DrawPosition(FALSE, boards[currentMove]);
13518 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13519 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
13520 DisplayComment(currentMove - 1, commentList[currentMove]);
13522 DisplayBook(currentMove);
13529 if (gameMode == IcsExamining && !pausing) {
13530 SendToICS(ics_prefix);
13531 SendToICS("forward\n");
13533 ForwardInner(currentMove + 1);
13540 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13541 /* to optimze, we temporarily turn off analysis mode while we feed
13542 * the remaining moves to the engine. Otherwise we get analysis output
13545 if (first.analysisSupport) {
13546 SendToProgram("exit\nforce\n", &first);
13547 first.analyzing = FALSE;
13551 if (gameMode == IcsExamining && !pausing) {
13552 SendToICS(ics_prefix);
13553 SendToICS("forward 999999\n");
13555 ForwardInner(forwardMostMove);
13558 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13559 /* we have fed all the moves, so reactivate analysis mode */
13560 SendToProgram("analyze\n", &first);
13561 first.analyzing = TRUE;
13562 /*first.maybeThinking = TRUE;*/
13563 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13568 BackwardInner(target)
13571 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
13573 if (appData.debugMode)
13574 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
13575 target, currentMove, forwardMostMove);
13577 if (gameMode == EditPosition) return;
13578 if (currentMove <= backwardMostMove) {
13580 DrawPosition(full_redraw, boards[currentMove]);
13583 if (gameMode == PlayFromGameFile && !pausing)
13586 if (moveList[target][0]) {
13587 int fromX, fromY, toX, toY;
13588 toX = moveList[target][2] - AAA;
13589 toY = moveList[target][3] - ONE;
13590 if (moveList[target][1] == '@') {
13591 if (appData.highlightLastMove) {
13592 SetHighlights(-1, -1, toX, toY);
13595 fromX = moveList[target][0] - AAA;
13596 fromY = moveList[target][1] - ONE;
13597 if (target == currentMove - 1) {
13598 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
13600 if (appData.highlightLastMove) {
13601 SetHighlights(fromX, fromY, toX, toY);
13605 if (gameMode == EditGame || gameMode==AnalyzeMode ||
13606 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
13607 while (currentMove > target) {
13608 SendToProgram("undo\n", &first);
13612 currentMove = target;
13615 if (gameMode == EditGame || gameMode == EndOfGame) {
13616 whiteTimeRemaining = timeRemaining[0][currentMove];
13617 blackTimeRemaining = timeRemaining[1][currentMove];
13619 DisplayBothClocks();
13620 DisplayMove(currentMove - 1);
13621 DrawPosition(full_redraw, boards[currentMove]);
13622 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
13623 // [HGM] PV info: routine tests if comment empty
13624 DisplayComment(currentMove - 1, commentList[currentMove]);
13625 DisplayBook(currentMove);
13631 if (gameMode == IcsExamining && !pausing) {
13632 SendToICS(ics_prefix);
13633 SendToICS("backward\n");
13635 BackwardInner(currentMove - 1);
13642 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13643 /* to optimize, we temporarily turn off analysis mode while we undo
13644 * all the moves. Otherwise we get analysis output after each undo.
13646 if (first.analysisSupport) {
13647 SendToProgram("exit\nforce\n", &first);
13648 first.analyzing = FALSE;
13652 if (gameMode == IcsExamining && !pausing) {
13653 SendToICS(ics_prefix);
13654 SendToICS("backward 999999\n");
13656 BackwardInner(backwardMostMove);
13659 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13660 /* we have fed all the moves, so reactivate analysis mode */
13661 SendToProgram("analyze\n", &first);
13662 first.analyzing = TRUE;
13663 /*first.maybeThinking = TRUE;*/
13664 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13671 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
13672 if (to >= forwardMostMove) to = forwardMostMove;
13673 if (to <= backwardMostMove) to = backwardMostMove;
13674 if (to < currentMove) {
13682 RevertEvent(Boolean annotate)
13684 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
13687 if (gameMode != IcsExamining) {
13688 DisplayError(_("You are not examining a game"), 0);
13692 DisplayError(_("You can't revert while pausing"), 0);
13695 SendToICS(ics_prefix);
13696 SendToICS("revert\n");
13702 switch (gameMode) {
13703 case MachinePlaysWhite:
13704 case MachinePlaysBlack:
13705 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13706 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13709 if (forwardMostMove < 2) return;
13710 currentMove = forwardMostMove = forwardMostMove - 2;
13711 whiteTimeRemaining = timeRemaining[0][currentMove];
13712 blackTimeRemaining = timeRemaining[1][currentMove];
13713 DisplayBothClocks();
13714 DisplayMove(currentMove - 1);
13715 ClearHighlights();/*!! could figure this out*/
13716 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13717 SendToProgram("remove\n", &first);
13718 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13721 case BeginningOfGame:
13725 case IcsPlayingWhite:
13726 case IcsPlayingBlack:
13727 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13728 SendToICS(ics_prefix);
13729 SendToICS("takeback 2\n");
13731 SendToICS(ics_prefix);
13732 SendToICS("takeback 1\n");
13741 ChessProgramState *cps;
13743 switch (gameMode) {
13744 case MachinePlaysWhite:
13745 if (!WhiteOnMove(forwardMostMove)) {
13746 DisplayError(_("It is your turn"), 0);
13751 case MachinePlaysBlack:
13752 if (WhiteOnMove(forwardMostMove)) {
13753 DisplayError(_("It is your turn"), 0);
13758 case TwoMachinesPlay:
13759 if (WhiteOnMove(forwardMostMove) ==
13760 (first.twoMachinesColor[0] == 'w')) {
13766 case BeginningOfGame:
13770 SendToProgram("?\n", cps);
13774 TruncateGameEvent()
13777 if (gameMode != EditGame) return;
13784 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13785 if (forwardMostMove > currentMove) {
13786 if (gameInfo.resultDetails != NULL) {
13787 free(gameInfo.resultDetails);
13788 gameInfo.resultDetails = NULL;
13789 gameInfo.result = GameUnfinished;
13791 forwardMostMove = currentMove;
13792 HistorySet(parseList, backwardMostMove, forwardMostMove,
13800 if (appData.noChessProgram) return;
13801 switch (gameMode) {
13802 case MachinePlaysWhite:
13803 if (WhiteOnMove(forwardMostMove)) {
13804 DisplayError(_("Wait until your turn"), 0);
13808 case BeginningOfGame:
13809 case MachinePlaysBlack:
13810 if (!WhiteOnMove(forwardMostMove)) {
13811 DisplayError(_("Wait until your turn"), 0);
13816 DisplayError(_("No hint available"), 0);
13819 SendToProgram("hint\n", &first);
13820 hintRequested = TRUE;
13826 if (appData.noChessProgram) return;
13827 switch (gameMode) {
13828 case MachinePlaysWhite:
13829 if (WhiteOnMove(forwardMostMove)) {
13830 DisplayError(_("Wait until your turn"), 0);
13834 case BeginningOfGame:
13835 case MachinePlaysBlack:
13836 if (!WhiteOnMove(forwardMostMove)) {
13837 DisplayError(_("Wait until your turn"), 0);
13842 EditPositionDone(TRUE);
13844 case TwoMachinesPlay:
13849 SendToProgram("bk\n", &first);
13850 bookOutput[0] = NULLCHAR;
13851 bookRequested = TRUE;
13857 char *tags = PGNTags(&gameInfo);
13858 TagsPopUp(tags, CmailMsg());
13862 /* end button procedures */
13865 PrintPosition(fp, move)
13871 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13872 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13873 char c = PieceToChar(boards[move][i][j]);
13874 fputc(c == 'x' ? '.' : c, fp);
13875 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13878 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13879 fprintf(fp, "white to play\n");
13881 fprintf(fp, "black to play\n");
13888 if (gameInfo.white != NULL) {
13889 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13895 /* Find last component of program's own name, using some heuristics */
13897 TidyProgramName(prog, host, buf)
13898 char *prog, *host, buf[MSG_SIZ];
13901 int local = (strcmp(host, "localhost") == 0);
13902 while (!local && (p = strchr(prog, ';')) != NULL) {
13904 while (*p == ' ') p++;
13907 if (*prog == '"' || *prog == '\'') {
13908 q = strchr(prog + 1, *prog);
13910 q = strchr(prog, ' ');
13912 if (q == NULL) q = prog + strlen(prog);
13914 while (p >= prog && *p != '/' && *p != '\\') p--;
13916 if(p == prog && *p == '"') p++;
13917 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13918 memcpy(buf, p, q - p);
13919 buf[q - p] = NULLCHAR;
13927 TimeControlTagValue()
13930 if (!appData.clockMode) {
13931 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13932 } else if (movesPerSession > 0) {
13933 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13934 } else if (timeIncrement == 0) {
13935 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13937 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13939 return StrSave(buf);
13945 /* This routine is used only for certain modes */
13946 VariantClass v = gameInfo.variant;
13947 ChessMove r = GameUnfinished;
13950 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13951 r = gameInfo.result;
13952 p = gameInfo.resultDetails;
13953 gameInfo.resultDetails = NULL;
13955 ClearGameInfo(&gameInfo);
13956 gameInfo.variant = v;
13958 switch (gameMode) {
13959 case MachinePlaysWhite:
13960 gameInfo.event = StrSave( appData.pgnEventHeader );
13961 gameInfo.site = StrSave(HostName());
13962 gameInfo.date = PGNDate();
13963 gameInfo.round = StrSave("-");
13964 gameInfo.white = StrSave(first.tidy);
13965 gameInfo.black = StrSave(UserName());
13966 gameInfo.timeControl = TimeControlTagValue();
13969 case MachinePlaysBlack:
13970 gameInfo.event = StrSave( appData.pgnEventHeader );
13971 gameInfo.site = StrSave(HostName());
13972 gameInfo.date = PGNDate();
13973 gameInfo.round = StrSave("-");
13974 gameInfo.white = StrSave(UserName());
13975 gameInfo.black = StrSave(first.tidy);
13976 gameInfo.timeControl = TimeControlTagValue();
13979 case TwoMachinesPlay:
13980 gameInfo.event = StrSave( appData.pgnEventHeader );
13981 gameInfo.site = StrSave(HostName());
13982 gameInfo.date = PGNDate();
13985 snprintf(buf, MSG_SIZ, "%d", roundNr);
13986 gameInfo.round = StrSave(buf);
13988 gameInfo.round = StrSave("-");
13990 if (first.twoMachinesColor[0] == 'w') {
13991 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
13992 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
13994 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
13995 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
13997 gameInfo.timeControl = TimeControlTagValue();
14001 gameInfo.event = StrSave("Edited game");
14002 gameInfo.site = StrSave(HostName());
14003 gameInfo.date = PGNDate();
14004 gameInfo.round = StrSave("-");
14005 gameInfo.white = StrSave("-");
14006 gameInfo.black = StrSave("-");
14007 gameInfo.result = r;
14008 gameInfo.resultDetails = p;
14012 gameInfo.event = StrSave("Edited position");
14013 gameInfo.site = StrSave(HostName());
14014 gameInfo.date = PGNDate();
14015 gameInfo.round = StrSave("-");
14016 gameInfo.white = StrSave("-");
14017 gameInfo.black = StrSave("-");
14020 case IcsPlayingWhite:
14021 case IcsPlayingBlack:
14026 case PlayFromGameFile:
14027 gameInfo.event = StrSave("Game from non-PGN file");
14028 gameInfo.site = StrSave(HostName());
14029 gameInfo.date = PGNDate();
14030 gameInfo.round = StrSave("-");
14031 gameInfo.white = StrSave("?");
14032 gameInfo.black = StrSave("?");
14041 ReplaceComment(index, text)
14049 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14050 pvInfoList[index-1].depth == len &&
14051 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14052 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14053 while (*text == '\n') text++;
14054 len = strlen(text);
14055 while (len > 0 && text[len - 1] == '\n') len--;
14057 if (commentList[index] != NULL)
14058 free(commentList[index]);
14061 commentList[index] = NULL;
14064 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14065 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14066 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14067 commentList[index] = (char *) malloc(len + 2);
14068 strncpy(commentList[index], text, len);
14069 commentList[index][len] = '\n';
14070 commentList[index][len + 1] = NULLCHAR;
14072 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14074 commentList[index] = (char *) malloc(len + 7);
14075 safeStrCpy(commentList[index], "{\n", 3);
14076 safeStrCpy(commentList[index]+2, text, len+1);
14077 commentList[index][len+2] = NULLCHAR;
14078 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14079 strcat(commentList[index], "\n}\n");
14093 if (ch == '\r') continue;
14095 } while (ch != '\0');
14099 AppendComment(index, text, addBraces)
14102 Boolean addBraces; // [HGM] braces: tells if we should add {}
14107 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14108 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14111 while (*text == '\n') text++;
14112 len = strlen(text);
14113 while (len > 0 && text[len - 1] == '\n') len--;
14115 if (len == 0) return;
14117 if (commentList[index] != NULL) {
14118 old = commentList[index];
14119 oldlen = strlen(old);
14120 while(commentList[index][oldlen-1] == '\n')
14121 commentList[index][--oldlen] = NULLCHAR;
14122 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14123 safeStrCpy(commentList[index], old, oldlen + len + 6);
14125 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14126 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14127 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14128 while (*text == '\n') { text++; len--; }
14129 commentList[index][--oldlen] = NULLCHAR;
14131 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14132 else strcat(commentList[index], "\n");
14133 strcat(commentList[index], text);
14134 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
14135 else strcat(commentList[index], "\n");
14137 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14139 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14140 else commentList[index][0] = NULLCHAR;
14141 strcat(commentList[index], text);
14142 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14143 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14147 static char * FindStr( char * text, char * sub_text )
14149 char * result = strstr( text, sub_text );
14151 if( result != NULL ) {
14152 result += strlen( sub_text );
14158 /* [AS] Try to extract PV info from PGN comment */
14159 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14160 char *GetInfoFromComment( int index, char * text )
14162 char * sep = text, *p;
14164 if( text != NULL && index > 0 ) {
14167 int time = -1, sec = 0, deci;
14168 char * s_eval = FindStr( text, "[%eval " );
14169 char * s_emt = FindStr( text, "[%emt " );
14171 if( s_eval != NULL || s_emt != NULL ) {
14175 if( s_eval != NULL ) {
14176 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14180 if( delim != ']' ) {
14185 if( s_emt != NULL ) {
14190 /* We expect something like: [+|-]nnn.nn/dd */
14193 if(*text != '{') return text; // [HGM] braces: must be normal comment
14195 sep = strchr( text, '/' );
14196 if( sep == NULL || sep < (text+4) ) {
14201 if(p[1] == '(') { // comment starts with PV
14202 p = strchr(p, ')'); // locate end of PV
14203 if(p == NULL || sep < p+5) return text;
14204 // at this point we have something like "{(.*) +0.23/6 ..."
14205 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14206 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14207 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14209 time = -1; sec = -1; deci = -1;
14210 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14211 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14212 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14213 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14217 if( score_lo < 0 || score_lo >= 100 ) {
14221 if(sec >= 0) time = 600*time + 10*sec; else
14222 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14224 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14226 /* [HGM] PV time: now locate end of PV info */
14227 while( *++sep >= '0' && *sep <= '9'); // strip depth
14229 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14231 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14233 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14234 while(*sep == ' ') sep++;
14245 pvInfoList[index-1].depth = depth;
14246 pvInfoList[index-1].score = score;
14247 pvInfoList[index-1].time = 10*time; // centi-sec
14248 if(*sep == '}') *sep = 0; else *--sep = '{';
14249 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14255 SendToProgram(message, cps)
14257 ChessProgramState *cps;
14259 int count, outCount, error;
14262 if (cps->pr == NULL) return;
14265 if (appData.debugMode) {
14268 fprintf(debugFP, "%ld >%-6s: %s",
14269 SubtractTimeMarks(&now, &programStartTime),
14270 cps->which, message);
14273 count = strlen(message);
14274 outCount = OutputToProcess(cps->pr, message, count, &error);
14275 if (outCount < count && !exiting
14276 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14277 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14278 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14279 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14280 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14281 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14282 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14283 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14285 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14286 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14287 gameInfo.result = res;
14289 gameInfo.resultDetails = StrSave(buf);
14291 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14292 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14297 ReceiveFromProgram(isr, closure, message, count, error)
14298 InputSourceRef isr;
14306 ChessProgramState *cps = (ChessProgramState *)closure;
14308 if (isr != cps->isr) return; /* Killed intentionally */
14311 RemoveInputSource(cps->isr);
14312 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
14313 _(cps->which), cps->program);
14314 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14315 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14316 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14317 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14318 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14320 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14321 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14322 gameInfo.result = res;
14324 gameInfo.resultDetails = StrSave(buf);
14326 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14327 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
14329 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
14330 _(cps->which), cps->program);
14331 RemoveInputSource(cps->isr);
14333 /* [AS] Program is misbehaving badly... kill it */
14334 if( count == -2 ) {
14335 DestroyChildProcess( cps->pr, 9 );
14339 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14344 if ((end_str = strchr(message, '\r')) != NULL)
14345 *end_str = NULLCHAR;
14346 if ((end_str = strchr(message, '\n')) != NULL)
14347 *end_str = NULLCHAR;
14349 if (appData.debugMode) {
14350 TimeMark now; int print = 1;
14351 char *quote = ""; char c; int i;
14353 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
14354 char start = message[0];
14355 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
14356 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
14357 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
14358 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
14359 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
14360 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
14361 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
14362 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
14363 sscanf(message, "hint: %c", &c)!=1 &&
14364 sscanf(message, "pong %c", &c)!=1 && start != '#') {
14365 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
14366 print = (appData.engineComments >= 2);
14368 message[0] = start; // restore original message
14372 fprintf(debugFP, "%ld <%-6s: %s%s\n",
14373 SubtractTimeMarks(&now, &programStartTime), cps->which,
14379 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
14380 if (appData.icsEngineAnalyze) {
14381 if (strstr(message, "whisper") != NULL ||
14382 strstr(message, "kibitz") != NULL ||
14383 strstr(message, "tellics") != NULL) return;
14386 HandleMachineMove(message, cps);
14391 SendTimeControl(cps, mps, tc, inc, sd, st)
14392 ChessProgramState *cps;
14393 int mps, inc, sd, st;
14399 if( timeControl_2 > 0 ) {
14400 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
14401 tc = timeControl_2;
14404 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
14405 inc /= cps->timeOdds;
14406 st /= cps->timeOdds;
14408 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
14411 /* Set exact time per move, normally using st command */
14412 if (cps->stKludge) {
14413 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
14415 if (seconds == 0) {
14416 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
14418 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
14421 snprintf(buf, MSG_SIZ, "st %d\n", st);
14424 /* Set conventional or incremental time control, using level command */
14425 if (seconds == 0) {
14426 /* Note old gnuchess bug -- minutes:seconds used to not work.
14427 Fixed in later versions, but still avoid :seconds
14428 when seconds is 0. */
14429 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
14431 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
14432 seconds, inc/1000.);
14435 SendToProgram(buf, cps);
14437 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
14438 /* Orthogonally, limit search to given depth */
14440 if (cps->sdKludge) {
14441 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
14443 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
14445 SendToProgram(buf, cps);
14448 if(cps->nps >= 0) { /* [HGM] nps */
14449 if(cps->supportsNPS == FALSE)
14450 cps->nps = -1; // don't use if engine explicitly says not supported!
14452 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
14453 SendToProgram(buf, cps);
14458 ChessProgramState *WhitePlayer()
14459 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
14461 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
14462 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
14468 SendTimeRemaining(cps, machineWhite)
14469 ChessProgramState *cps;
14470 int /*boolean*/ machineWhite;
14472 char message[MSG_SIZ];
14475 /* Note: this routine must be called when the clocks are stopped
14476 or when they have *just* been set or switched; otherwise
14477 it will be off by the time since the current tick started.
14479 if (machineWhite) {
14480 time = whiteTimeRemaining / 10;
14481 otime = blackTimeRemaining / 10;
14483 time = blackTimeRemaining / 10;
14484 otime = whiteTimeRemaining / 10;
14486 /* [HGM] translate opponent's time by time-odds factor */
14487 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
14488 if (appData.debugMode) {
14489 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
14492 if (time <= 0) time = 1;
14493 if (otime <= 0) otime = 1;
14495 snprintf(message, MSG_SIZ, "time %ld\n", time);
14496 SendToProgram(message, cps);
14498 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
14499 SendToProgram(message, cps);
14503 BoolFeature(p, name, loc, cps)
14507 ChessProgramState *cps;
14510 int len = strlen(name);
14513 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14515 sscanf(*p, "%d", &val);
14517 while (**p && **p != ' ')
14519 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14520 SendToProgram(buf, cps);
14527 IntFeature(p, name, loc, cps)
14531 ChessProgramState *cps;
14534 int len = strlen(name);
14535 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
14537 sscanf(*p, "%d", loc);
14538 while (**p && **p != ' ') (*p)++;
14539 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14540 SendToProgram(buf, cps);
14547 StringFeature(p, name, loc, cps)
14551 ChessProgramState *cps;
14554 int len = strlen(name);
14555 if (strncmp((*p), name, len) == 0
14556 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
14558 sscanf(*p, "%[^\"]", loc);
14559 while (**p && **p != '\"') (*p)++;
14560 if (**p == '\"') (*p)++;
14561 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
14562 SendToProgram(buf, cps);
14569 ParseOption(Option *opt, ChessProgramState *cps)
14570 // [HGM] options: process the string that defines an engine option, and determine
14571 // name, type, default value, and allowed value range
14573 char *p, *q, buf[MSG_SIZ];
14574 int n, min = (-1)<<31, max = 1<<31, def;
14576 if(p = strstr(opt->name, " -spin ")) {
14577 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14578 if(max < min) max = min; // enforce consistency
14579 if(def < min) def = min;
14580 if(def > max) def = max;
14585 } else if((p = strstr(opt->name, " -slider "))) {
14586 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
14587 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
14588 if(max < min) max = min; // enforce consistency
14589 if(def < min) def = min;
14590 if(def > max) def = max;
14594 opt->type = Spin; // Slider;
14595 } else if((p = strstr(opt->name, " -string "))) {
14596 opt->textValue = p+9;
14597 opt->type = TextBox;
14598 } else if((p = strstr(opt->name, " -file "))) {
14599 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14600 opt->textValue = p+7;
14601 opt->type = FileName; // FileName;
14602 } else if((p = strstr(opt->name, " -path "))) {
14603 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
14604 opt->textValue = p+7;
14605 opt->type = PathName; // PathName;
14606 } else if(p = strstr(opt->name, " -check ")) {
14607 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
14608 opt->value = (def != 0);
14609 opt->type = CheckBox;
14610 } else if(p = strstr(opt->name, " -combo ")) {
14611 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
14612 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
14613 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
14614 opt->value = n = 0;
14615 while(q = StrStr(q, " /// ")) {
14616 n++; *q = 0; // count choices, and null-terminate each of them
14618 if(*q == '*') { // remember default, which is marked with * prefix
14622 cps->comboList[cps->comboCnt++] = q;
14624 cps->comboList[cps->comboCnt++] = NULL;
14626 opt->type = ComboBox;
14627 } else if(p = strstr(opt->name, " -button")) {
14628 opt->type = Button;
14629 } else if(p = strstr(opt->name, " -save")) {
14630 opt->type = SaveButton;
14631 } else return FALSE;
14632 *p = 0; // terminate option name
14633 // now look if the command-line options define a setting for this engine option.
14634 if(cps->optionSettings && cps->optionSettings[0])
14635 p = strstr(cps->optionSettings, opt->name); else p = NULL;
14636 if(p && (p == cps->optionSettings || p[-1] == ',')) {
14637 snprintf(buf, MSG_SIZ, "option %s", p);
14638 if(p = strstr(buf, ",")) *p = 0;
14639 if(q = strchr(buf, '=')) switch(opt->type) {
14641 for(n=0; n<opt->max; n++)
14642 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
14645 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
14649 opt->value = atoi(q+1);
14654 SendToProgram(buf, cps);
14660 FeatureDone(cps, val)
14661 ChessProgramState* cps;
14664 DelayedEventCallback cb = GetDelayedEvent();
14665 if ((cb == InitBackEnd3 && cps == &first) ||
14666 (cb == SettingsMenuIfReady && cps == &second) ||
14667 (cb == LoadEngine) ||
14668 (cb == TwoMachinesEventIfReady)) {
14669 CancelDelayedEvent();
14670 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
14672 cps->initDone = val;
14675 /* Parse feature command from engine */
14677 ParseFeatures(args, cps)
14679 ChessProgramState *cps;
14687 while (*p == ' ') p++;
14688 if (*p == NULLCHAR) return;
14690 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
14691 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
14692 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
14693 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
14694 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
14695 if (BoolFeature(&p, "reuse", &val, cps)) {
14696 /* Engine can disable reuse, but can't enable it if user said no */
14697 if (!val) cps->reuse = FALSE;
14700 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
14701 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
14702 if (gameMode == TwoMachinesPlay) {
14703 DisplayTwoMachinesTitle();
14709 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
14710 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
14711 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
14712 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
14713 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
14714 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
14715 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14716 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14717 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14718 if (IntFeature(&p, "done", &val, cps)) {
14719 FeatureDone(cps, val);
14722 /* Added by Tord: */
14723 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14724 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14725 /* End of additions by Tord */
14727 /* [HGM] added features: */
14728 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14729 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14730 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14731 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14732 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14733 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14734 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14735 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14736 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14737 SendToProgram(buf, cps);
14740 if(cps->nrOptions >= MAX_OPTIONS) {
14742 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14743 DisplayError(buf, 0);
14747 /* End of additions by HGM */
14749 /* unknown feature: complain and skip */
14751 while (*q && *q != '=') q++;
14752 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14753 SendToProgram(buf, cps);
14759 while (*p && *p != '\"') p++;
14760 if (*p == '\"') p++;
14762 while (*p && *p != ' ') p++;
14770 PeriodicUpdatesEvent(newState)
14773 if (newState == appData.periodicUpdates)
14776 appData.periodicUpdates=newState;
14778 /* Display type changes, so update it now */
14779 // DisplayAnalysis();
14781 /* Get the ball rolling again... */
14783 AnalysisPeriodicEvent(1);
14784 StartAnalysisClock();
14789 PonderNextMoveEvent(newState)
14792 if (newState == appData.ponderNextMove) return;
14793 if (gameMode == EditPosition) EditPositionDone(TRUE);
14795 SendToProgram("hard\n", &first);
14796 if (gameMode == TwoMachinesPlay) {
14797 SendToProgram("hard\n", &second);
14800 SendToProgram("easy\n", &first);
14801 thinkOutput[0] = NULLCHAR;
14802 if (gameMode == TwoMachinesPlay) {
14803 SendToProgram("easy\n", &second);
14806 appData.ponderNextMove = newState;
14810 NewSettingEvent(option, feature, command, value)
14812 int option, value, *feature;
14816 if (gameMode == EditPosition) EditPositionDone(TRUE);
14817 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14818 if(feature == NULL || *feature) SendToProgram(buf, &first);
14819 if (gameMode == TwoMachinesPlay) {
14820 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14825 ShowThinkingEvent()
14826 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14828 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14829 int newState = appData.showThinking
14830 // [HGM] thinking: other features now need thinking output as well
14831 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14833 if (oldState == newState) return;
14834 oldState = newState;
14835 if (gameMode == EditPosition) EditPositionDone(TRUE);
14837 SendToProgram("post\n", &first);
14838 if (gameMode == TwoMachinesPlay) {
14839 SendToProgram("post\n", &second);
14842 SendToProgram("nopost\n", &first);
14843 thinkOutput[0] = NULLCHAR;
14844 if (gameMode == TwoMachinesPlay) {
14845 SendToProgram("nopost\n", &second);
14848 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14852 AskQuestionEvent(title, question, replyPrefix, which)
14853 char *title; char *question; char *replyPrefix; char *which;
14855 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14856 if (pr == NoProc) return;
14857 AskQuestion(title, question, replyPrefix, pr);
14861 TypeInEvent(char firstChar)
14863 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
\r
14864 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
\r
14865 gameMode == AnalyzeMode || gameMode == EditGame ||
\r
14866 gameMode == EditPosition || gameMode == IcsExamining ||
\r
14867 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
\r
14868 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
\r
14869 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
\r
14870 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
\r
14871 gameMode == Training) PopUpMoveDialog(firstChar);
14875 TypeInDoneEvent(char *move)
14878 int n, fromX, fromY, toX, toY;
14880 ChessMove moveType;
\r
14883 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
\r
14884 EditPositionPasteFEN(move);
\r
14887 // [HGM] movenum: allow move number to be typed in any mode
\r
14888 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
\r
14889 ToNrEvent(2*n-1);
\r
14893 if (gameMode != EditGame && currentMove != forwardMostMove &&
\r
14894 gameMode != Training) {
\r
14895 DisplayMoveError(_("Displayed move is not current"));
\r
14897 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
14898 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
\r
14899 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
\r
14900 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
\r
14901 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
\r
14902 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
\r
14904 DisplayMoveError(_("Could not parse move"));
\r
14910 DisplayMove(moveNumber)
14913 char message[MSG_SIZ];
14915 char cpThinkOutput[MSG_SIZ];
14917 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14919 if (moveNumber == forwardMostMove - 1 ||
14920 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14922 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14924 if (strchr(cpThinkOutput, '\n')) {
14925 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14928 *cpThinkOutput = NULLCHAR;
14931 /* [AS] Hide thinking from human user */
14932 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14933 *cpThinkOutput = NULLCHAR;
14934 if( thinkOutput[0] != NULLCHAR ) {
14937 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14938 cpThinkOutput[i] = '.';
14940 cpThinkOutput[i] = NULLCHAR;
14941 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14945 if (moveNumber == forwardMostMove - 1 &&
14946 gameInfo.resultDetails != NULL) {
14947 if (gameInfo.resultDetails[0] == NULLCHAR) {
14948 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14950 snprintf(res, MSG_SIZ, " {%s} %s",
14951 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14957 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14958 DisplayMessage(res, cpThinkOutput);
14960 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14961 WhiteOnMove(moveNumber) ? " " : ".. ",
14962 parseList[moveNumber], res);
14963 DisplayMessage(message, cpThinkOutput);
14968 DisplayComment(moveNumber, text)
14972 char title[MSG_SIZ];
14973 char buf[8000]; // comment can be long!
14976 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14977 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14979 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14980 WhiteOnMove(moveNumber) ? " " : ".. ",
14981 parseList[moveNumber]);
14983 // [HGM] PV info: display PV info together with (or as) comment
14984 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14985 if(text == NULL) text = "";
14986 score = pvInfoList[moveNumber].score;
14987 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14988 depth, (pvInfoList[moveNumber].time+50)/100, text);
14991 if (text != NULL && (appData.autoDisplayComment || commentUp))
14992 CommentPopUp(title, text);
14995 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14996 * might be busy thinking or pondering. It can be omitted if your
14997 * gnuchess is configured to stop thinking immediately on any user
14998 * input. However, that gnuchess feature depends on the FIONREAD
14999 * ioctl, which does not work properly on some flavors of Unix.
15003 ChessProgramState *cps;
15006 if (!cps->useSigint) return;
15007 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15008 switch (gameMode) {
15009 case MachinePlaysWhite:
15010 case MachinePlaysBlack:
15011 case TwoMachinesPlay:
15012 case IcsPlayingWhite:
15013 case IcsPlayingBlack:
15016 /* Skip if we know it isn't thinking */
15017 if (!cps->maybeThinking) return;
15018 if (appData.debugMode)
15019 fprintf(debugFP, "Interrupting %s\n", cps->which);
15020 InterruptChildProcess(cps->pr);
15021 cps->maybeThinking = FALSE;
15026 #endif /*ATTENTION*/
15032 if (whiteTimeRemaining <= 0) {
15035 if (appData.icsActive) {
15036 if (appData.autoCallFlag &&
15037 gameMode == IcsPlayingBlack && !blackFlag) {
15038 SendToICS(ics_prefix);
15039 SendToICS("flag\n");
15043 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15045 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15046 if (appData.autoCallFlag) {
15047 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15054 if (blackTimeRemaining <= 0) {
15057 if (appData.icsActive) {
15058 if (appData.autoCallFlag &&
15059 gameMode == IcsPlayingWhite && !whiteFlag) {
15060 SendToICS(ics_prefix);
15061 SendToICS("flag\n");
15065 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15067 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15068 if (appData.autoCallFlag) {
15069 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15082 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15083 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15086 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15088 if ( !WhiteOnMove(forwardMostMove) ) {
15089 /* White made time control */
15090 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15091 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15092 /* [HGM] time odds: correct new time quota for time odds! */
15093 / WhitePlayer()->timeOdds;
15094 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15096 lastBlack -= blackTimeRemaining;
15097 /* Black made time control */
15098 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15099 / WhitePlayer()->other->timeOdds;
15100 lastWhite = whiteTimeRemaining;
15105 DisplayBothClocks()
15107 int wom = gameMode == EditPosition ?
15108 !blackPlaysFirst : WhiteOnMove(currentMove);
15109 DisplayWhiteClock(whiteTimeRemaining, wom);
15110 DisplayBlackClock(blackTimeRemaining, !wom);
15114 /* Timekeeping seems to be a portability nightmare. I think everyone
15115 has ftime(), but I'm really not sure, so I'm including some ifdefs
15116 to use other calls if you don't. Clocks will be less accurate if
15117 you have neither ftime nor gettimeofday.
15120 /* VS 2008 requires the #include outside of the function */
15121 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15122 #include <sys/timeb.h>
15125 /* Get the current time as a TimeMark */
15130 #if HAVE_GETTIMEOFDAY
15132 struct timeval timeVal;
15133 struct timezone timeZone;
15135 gettimeofday(&timeVal, &timeZone);
15136 tm->sec = (long) timeVal.tv_sec;
15137 tm->ms = (int) (timeVal.tv_usec / 1000L);
15139 #else /*!HAVE_GETTIMEOFDAY*/
15142 // include <sys/timeb.h> / moved to just above start of function
15143 struct timeb timeB;
15146 tm->sec = (long) timeB.time;
15147 tm->ms = (int) timeB.millitm;
15149 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15150 tm->sec = (long) time(NULL);
15156 /* Return the difference in milliseconds between two
15157 time marks. We assume the difference will fit in a long!
15160 SubtractTimeMarks(tm2, tm1)
15161 TimeMark *tm2, *tm1;
15163 return 1000L*(tm2->sec - tm1->sec) +
15164 (long) (tm2->ms - tm1->ms);
15169 * Code to manage the game clocks.
15171 * In tournament play, black starts the clock and then white makes a move.
15172 * We give the human user a slight advantage if he is playing white---the
15173 * clocks don't run until he makes his first move, so it takes zero time.
15174 * Also, we don't account for network lag, so we could get out of sync
15175 * with GNU Chess's clock -- but then, referees are always right.
15178 static TimeMark tickStartTM;
15179 static long intendedTickLength;
15182 NextTickLength(timeRemaining)
15183 long timeRemaining;
15185 long nominalTickLength, nextTickLength;
15187 if (timeRemaining > 0L && timeRemaining <= 10000L)
15188 nominalTickLength = 100L;
15190 nominalTickLength = 1000L;
15191 nextTickLength = timeRemaining % nominalTickLength;
15192 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15194 return nextTickLength;
15197 /* Adjust clock one minute up or down */
15199 AdjustClock(Boolean which, int dir)
15201 if(which) blackTimeRemaining += 60000*dir;
15202 else whiteTimeRemaining += 60000*dir;
15203 DisplayBothClocks();
15206 /* Stop clocks and reset to a fresh time control */
15210 (void) StopClockTimer();
15211 if (appData.icsActive) {
15212 whiteTimeRemaining = blackTimeRemaining = 0;
15213 } else if (searchTime) {
15214 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15215 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15216 } else { /* [HGM] correct new time quote for time odds */
15217 whiteTC = blackTC = fullTimeControlString;
15218 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15219 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15221 if (whiteFlag || blackFlag) {
15223 whiteFlag = blackFlag = FALSE;
15225 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15226 DisplayBothClocks();
15229 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15231 /* Decrement running clock by amount of time that has passed */
15235 long timeRemaining;
15236 long lastTickLength, fudge;
15239 if (!appData.clockMode) return;
15240 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15244 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15246 /* Fudge if we woke up a little too soon */
15247 fudge = intendedTickLength - lastTickLength;
15248 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15250 if (WhiteOnMove(forwardMostMove)) {
15251 if(whiteNPS >= 0) lastTickLength = 0;
15252 timeRemaining = whiteTimeRemaining -= lastTickLength;
15253 if(timeRemaining < 0 && !appData.icsActive) {
15254 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15255 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15256 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15257 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15260 DisplayWhiteClock(whiteTimeRemaining - fudge,
15261 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15263 if(blackNPS >= 0) lastTickLength = 0;
15264 timeRemaining = blackTimeRemaining -= lastTickLength;
15265 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15266 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15268 blackStartMove = forwardMostMove;
15269 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15272 DisplayBlackClock(blackTimeRemaining - fudge,
15273 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15275 if (CheckFlags()) return;
15278 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15279 StartClockTimer(intendedTickLength);
15281 /* if the time remaining has fallen below the alarm threshold, sound the
15282 * alarm. if the alarm has sounded and (due to a takeback or time control
15283 * with increment) the time remaining has increased to a level above the
15284 * threshold, reset the alarm so it can sound again.
15287 if (appData.icsActive && appData.icsAlarm) {
15289 /* make sure we are dealing with the user's clock */
15290 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15291 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15294 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15295 alarmSounded = FALSE;
15296 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15298 alarmSounded = TRUE;
15304 /* A player has just moved, so stop the previously running
15305 clock and (if in clock mode) start the other one.
15306 We redisplay both clocks in case we're in ICS mode, because
15307 ICS gives us an update to both clocks after every move.
15308 Note that this routine is called *after* forwardMostMove
15309 is updated, so the last fractional tick must be subtracted
15310 from the color that is *not* on move now.
15313 SwitchClocks(int newMoveNr)
15315 long lastTickLength;
15317 int flagged = FALSE;
15321 if (StopClockTimer() && appData.clockMode) {
15322 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15323 if (!WhiteOnMove(forwardMostMove)) {
15324 if(blackNPS >= 0) lastTickLength = 0;
15325 blackTimeRemaining -= lastTickLength;
15326 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15327 // if(pvInfoList[forwardMostMove].time == -1)
15328 pvInfoList[forwardMostMove].time = // use GUI time
15329 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15331 if(whiteNPS >= 0) lastTickLength = 0;
15332 whiteTimeRemaining -= lastTickLength;
15333 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15334 // if(pvInfoList[forwardMostMove].time == -1)
15335 pvInfoList[forwardMostMove].time =
15336 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15338 flagged = CheckFlags();
15340 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15341 CheckTimeControl();
15343 if (flagged || !appData.clockMode) return;
15345 switch (gameMode) {
15346 case MachinePlaysBlack:
15347 case MachinePlaysWhite:
15348 case BeginningOfGame:
15349 if (pausing) return;
15353 case PlayFromGameFile:
15361 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
15362 if(WhiteOnMove(forwardMostMove))
15363 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15364 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15368 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15369 whiteTimeRemaining : blackTimeRemaining);
15370 StartClockTimer(intendedTickLength);
15374 /* Stop both clocks */
15378 long lastTickLength;
15381 if (!StopClockTimer()) return;
15382 if (!appData.clockMode) return;
15386 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15387 if (WhiteOnMove(forwardMostMove)) {
15388 if(whiteNPS >= 0) lastTickLength = 0;
15389 whiteTimeRemaining -= lastTickLength;
15390 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
15392 if(blackNPS >= 0) lastTickLength = 0;
15393 blackTimeRemaining -= lastTickLength;
15394 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
15399 /* Start clock of player on move. Time may have been reset, so
15400 if clock is already running, stop and restart it. */
15404 (void) StopClockTimer(); /* in case it was running already */
15405 DisplayBothClocks();
15406 if (CheckFlags()) return;
15408 if (!appData.clockMode) return;
15409 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
15411 GetTimeMark(&tickStartTM);
15412 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
15413 whiteTimeRemaining : blackTimeRemaining);
15415 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
15416 whiteNPS = blackNPS = -1;
15417 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
15418 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
15419 whiteNPS = first.nps;
15420 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
15421 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
15422 blackNPS = first.nps;
15423 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
15424 whiteNPS = second.nps;
15425 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
15426 blackNPS = second.nps;
15427 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
15429 StartClockTimer(intendedTickLength);
15436 long second, minute, hour, day;
15438 static char buf[32];
15440 if (ms > 0 && ms <= 9900) {
15441 /* convert milliseconds to tenths, rounding up */
15442 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
15444 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
15448 /* convert milliseconds to seconds, rounding up */
15449 /* use floating point to avoid strangeness of integer division
15450 with negative dividends on many machines */
15451 second = (long) floor(((double) (ms + 999L)) / 1000.0);
15458 day = second / (60 * 60 * 24);
15459 second = second % (60 * 60 * 24);
15460 hour = second / (60 * 60);
15461 second = second % (60 * 60);
15462 minute = second / 60;
15463 second = second % 60;
15466 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
15467 sign, day, hour, minute, second);
15469 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
15471 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
15478 * This is necessary because some C libraries aren't ANSI C compliant yet.
15481 StrStr(string, match)
15482 char *string, *match;
15486 length = strlen(match);
15488 for (i = strlen(string) - length; i >= 0; i--, string++)
15489 if (!strncmp(match, string, length))
15496 StrCaseStr(string, match)
15497 char *string, *match;
15501 length = strlen(match);
15503 for (i = strlen(string) - length; i >= 0; i--, string++) {
15504 for (j = 0; j < length; j++) {
15505 if (ToLower(match[j]) != ToLower(string[j]))
15508 if (j == length) return string;
15522 c1 = ToLower(*s1++);
15523 c2 = ToLower(*s2++);
15524 if (c1 > c2) return 1;
15525 if (c1 < c2) return -1;
15526 if (c1 == NULLCHAR) return 0;
15535 return isupper(c) ? tolower(c) : c;
15543 return islower(c) ? toupper(c) : c;
15545 #endif /* !_amigados */
15553 if ((ret = (char *) malloc(strlen(s) + 1)))
15555 safeStrCpy(ret, s, strlen(s)+1);
15561 StrSavePtr(s, savePtr)
15562 char *s, **savePtr;
15567 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
15568 safeStrCpy(*savePtr, s, strlen(s)+1);
15580 clock = time((time_t *)NULL);
15581 tm = localtime(&clock);
15582 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
15583 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
15584 return StrSave(buf);
15589 PositionToFEN(move, overrideCastling)
15591 char *overrideCastling;
15593 int i, j, fromX, fromY, toX, toY;
15600 whiteToPlay = (gameMode == EditPosition) ?
15601 !blackPlaysFirst : (move % 2 == 0);
15604 /* Piece placement data */
15605 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15607 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15608 if (boards[move][i][j] == EmptySquare) {
15610 } else { ChessSquare piece = boards[move][i][j];
15611 if (emptycount > 0) {
15612 if(emptycount<10) /* [HGM] can be >= 10 */
15613 *p++ = '0' + emptycount;
15614 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15617 if(PieceToChar(piece) == '+') {
15618 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
15620 piece = (ChessSquare)(DEMOTED piece);
15622 *p++ = PieceToChar(piece);
15624 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
15625 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
15630 if (emptycount > 0) {
15631 if(emptycount<10) /* [HGM] can be >= 10 */
15632 *p++ = '0' + emptycount;
15633 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
15640 /* [HGM] print Crazyhouse or Shogi holdings */
15641 if( gameInfo.holdingsWidth ) {
15642 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
15644 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
15645 piece = boards[move][i][BOARD_WIDTH-1];
15646 if( piece != EmptySquare )
15647 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
15648 *p++ = PieceToChar(piece);
15650 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
15651 piece = boards[move][BOARD_HEIGHT-i-1][0];
15652 if( piece != EmptySquare )
15653 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
15654 *p++ = PieceToChar(piece);
15657 if( q == p ) *p++ = '-';
15663 *p++ = whiteToPlay ? 'w' : 'b';
15666 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
15667 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
15669 if(nrCastlingRights) {
15671 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
15672 /* [HGM] write directly from rights */
15673 if(boards[move][CASTLING][2] != NoRights &&
15674 boards[move][CASTLING][0] != NoRights )
15675 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
15676 if(boards[move][CASTLING][2] != NoRights &&
15677 boards[move][CASTLING][1] != NoRights )
15678 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
15679 if(boards[move][CASTLING][5] != NoRights &&
15680 boards[move][CASTLING][3] != NoRights )
15681 *p++ = boards[move][CASTLING][3] + AAA;
15682 if(boards[move][CASTLING][5] != NoRights &&
15683 boards[move][CASTLING][4] != NoRights )
15684 *p++ = boards[move][CASTLING][4] + AAA;
15687 /* [HGM] write true castling rights */
15688 if( nrCastlingRights == 6 ) {
15689 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
15690 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
15691 if(boards[move][CASTLING][1] == BOARD_LEFT &&
15692 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
15693 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
15694 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
15695 if(boards[move][CASTLING][4] == BOARD_LEFT &&
15696 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
15699 if (q == p) *p++ = '-'; /* No castling rights */
15703 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15704 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15705 /* En passant target square */
15706 if (move > backwardMostMove) {
15707 fromX = moveList[move - 1][0] - AAA;
15708 fromY = moveList[move - 1][1] - ONE;
15709 toX = moveList[move - 1][2] - AAA;
15710 toY = moveList[move - 1][3] - ONE;
15711 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
15712 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
15713 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
15715 /* 2-square pawn move just happened */
15717 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15721 } else if(move == backwardMostMove) {
15722 // [HGM] perhaps we should always do it like this, and forget the above?
15723 if((signed char)boards[move][EP_STATUS] >= 0) {
15724 *p++ = boards[move][EP_STATUS] + AAA;
15725 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
15736 /* [HGM] find reversible plies */
15737 { int i = 0, j=move;
15739 if (appData.debugMode) { int k;
15740 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
15741 for(k=backwardMostMove; k<=forwardMostMove; k++)
15742 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
15746 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
15747 if( j == backwardMostMove ) i += initialRulePlies;
15748 sprintf(p, "%d ", i);
15749 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
15751 /* Fullmove number */
15752 sprintf(p, "%d", (move / 2) + 1);
15754 return StrSave(buf);
15758 ParseFEN(board, blackPlaysFirst, fen)
15760 int *blackPlaysFirst;
15770 /* [HGM] by default clear Crazyhouse holdings, if present */
15771 if(gameInfo.holdingsWidth) {
15772 for(i=0; i<BOARD_HEIGHT; i++) {
15773 board[i][0] = EmptySquare; /* black holdings */
15774 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15775 board[i][1] = (ChessSquare) 0; /* black counts */
15776 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15780 /* Piece placement data */
15781 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15784 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15785 if (*p == '/') p++;
15786 emptycount = gameInfo.boardWidth - j;
15787 while (emptycount--)
15788 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15790 #if(BOARD_FILES >= 10)
15791 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15792 p++; emptycount=10;
15793 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15794 while (emptycount--)
15795 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15797 } else if (isdigit(*p)) {
15798 emptycount = *p++ - '0';
15799 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15800 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15801 while (emptycount--)
15802 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15803 } else if (*p == '+' || isalpha(*p)) {
15804 if (j >= gameInfo.boardWidth) return FALSE;
15806 piece = CharToPiece(*++p);
15807 if(piece == EmptySquare) return FALSE; /* unknown piece */
15808 piece = (ChessSquare) (PROMOTED piece ); p++;
15809 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15810 } else piece = CharToPiece(*p++);
15812 if(piece==EmptySquare) return FALSE; /* unknown piece */
15813 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15814 piece = (ChessSquare) (PROMOTED piece);
15815 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15818 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15824 while (*p == '/' || *p == ' ') p++;
15826 /* [HGM] look for Crazyhouse holdings here */
15827 while(*p==' ') p++;
15828 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15830 if(*p == '-' ) p++; /* empty holdings */ else {
15831 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15832 /* if we would allow FEN reading to set board size, we would */
15833 /* have to add holdings and shift the board read so far here */
15834 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15836 if((int) piece >= (int) BlackPawn ) {
15837 i = (int)piece - (int)BlackPawn;
15838 i = PieceToNumber((ChessSquare)i);
15839 if( i >= gameInfo.holdingsSize ) return FALSE;
15840 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15841 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15843 i = (int)piece - (int)WhitePawn;
15844 i = PieceToNumber((ChessSquare)i);
15845 if( i >= gameInfo.holdingsSize ) return FALSE;
15846 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15847 board[i][BOARD_WIDTH-2]++; /* black holdings */
15854 while(*p == ' ') p++;
15858 if(appData.colorNickNames) {
15859 if( c == appData.colorNickNames[0] ) c = 'w'; else
15860 if( c == appData.colorNickNames[1] ) c = 'b';
15864 *blackPlaysFirst = FALSE;
15867 *blackPlaysFirst = TRUE;
15873 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15874 /* return the extra info in global variiables */
15876 /* set defaults in case FEN is incomplete */
15877 board[EP_STATUS] = EP_UNKNOWN;
15878 for(i=0; i<nrCastlingRights; i++ ) {
15879 board[CASTLING][i] =
15880 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15881 } /* assume possible unless obviously impossible */
15882 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15883 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15884 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15885 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15886 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15887 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15888 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15889 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15892 while(*p==' ') p++;
15893 if(nrCastlingRights) {
15894 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15895 /* castling indicator present, so default becomes no castlings */
15896 for(i=0; i<nrCastlingRights; i++ ) {
15897 board[CASTLING][i] = NoRights;
15900 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15901 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15902 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15903 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15904 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15906 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15907 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15908 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15910 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15911 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15912 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15913 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15914 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15915 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15918 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15919 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15920 board[CASTLING][2] = whiteKingFile;
15923 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15924 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15925 board[CASTLING][2] = whiteKingFile;
15928 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15929 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15930 board[CASTLING][5] = blackKingFile;
15933 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15934 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15935 board[CASTLING][5] = blackKingFile;
15938 default: /* FRC castlings */
15939 if(c >= 'a') { /* black rights */
15940 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15941 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15942 if(i == BOARD_RGHT) break;
15943 board[CASTLING][5] = i;
15945 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15946 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15948 board[CASTLING][3] = c;
15950 board[CASTLING][4] = c;
15951 } else { /* white rights */
15952 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15953 if(board[0][i] == WhiteKing) break;
15954 if(i == BOARD_RGHT) break;
15955 board[CASTLING][2] = i;
15956 c -= AAA - 'a' + 'A';
15957 if(board[0][c] >= WhiteKing) break;
15959 board[CASTLING][0] = c;
15961 board[CASTLING][1] = c;
15965 for(i=0; i<nrCastlingRights; i++)
15966 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15967 if (appData.debugMode) {
15968 fprintf(debugFP, "FEN castling rights:");
15969 for(i=0; i<nrCastlingRights; i++)
15970 fprintf(debugFP, " %d", board[CASTLING][i]);
15971 fprintf(debugFP, "\n");
15974 while(*p==' ') p++;
15977 /* read e.p. field in games that know e.p. capture */
15978 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15979 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15981 p++; board[EP_STATUS] = EP_NONE;
15983 char c = *p++ - AAA;
15985 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15986 if(*p >= '0' && *p <='9') p++;
15987 board[EP_STATUS] = c;
15992 if(sscanf(p, "%d", &i) == 1) {
15993 FENrulePlies = i; /* 50-move ply counter */
15994 /* (The move number is still ignored) */
16001 EditPositionPasteFEN(char *fen)
16004 Board initial_position;
16006 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16007 DisplayError(_("Bad FEN position in clipboard"), 0);
16010 int savedBlackPlaysFirst = blackPlaysFirst;
16011 EditPositionEvent();
16012 blackPlaysFirst = savedBlackPlaysFirst;
16013 CopyBoard(boards[0], initial_position);
16014 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16015 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16016 DisplayBothClocks();
16017 DrawPosition(FALSE, boards[currentMove]);
16022 static char cseq[12] = "\\ ";
16024 Boolean set_cont_sequence(char *new_seq)
16029 // handle bad attempts to set the sequence
16031 return 0; // acceptable error - no debug
16033 len = strlen(new_seq);
16034 ret = (len > 0) && (len < sizeof(cseq));
16036 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16037 else if (appData.debugMode)
16038 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16043 reformat a source message so words don't cross the width boundary. internal
16044 newlines are not removed. returns the wrapped size (no null character unless
16045 included in source message). If dest is NULL, only calculate the size required
16046 for the dest buffer. lp argument indicats line position upon entry, and it's
16047 passed back upon exit.
16049 int wrap(char *dest, char *src, int count, int width, int *lp)
16051 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16053 cseq_len = strlen(cseq);
16054 old_line = line = *lp;
16055 ansi = len = clen = 0;
16057 for (i=0; i < count; i++)
16059 if (src[i] == '\033')
16062 // if we hit the width, back up
16063 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16065 // store i & len in case the word is too long
16066 old_i = i, old_len = len;
16068 // find the end of the last word
16069 while (i && src[i] != ' ' && src[i] != '\n')
16075 // word too long? restore i & len before splitting it
16076 if ((old_i-i+clen) >= width)
16083 if (i && src[i-1] == ' ')
16086 if (src[i] != ' ' && src[i] != '\n')
16093 // now append the newline and continuation sequence
16098 strncpy(dest+len, cseq, cseq_len);
16106 dest[len] = src[i];
16110 if (src[i] == '\n')
16115 if (dest && appData.debugMode)
16117 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16118 count, width, line, len, *lp);
16119 show_bytes(debugFP, src, count);
16120 fprintf(debugFP, "\ndest: ");
16121 show_bytes(debugFP, dest, len);
16122 fprintf(debugFP, "\n");
16124 *lp = dest ? line : old_line;
16129 // [HGM] vari: routines for shelving variations
16132 PushInner(int firstMove, int lastMove)
16134 int i, j, nrMoves = lastMove - firstMove;
16136 // push current tail of game on stack
16137 savedResult[storedGames] = gameInfo.result;
16138 savedDetails[storedGames] = gameInfo.resultDetails;
16139 gameInfo.resultDetails = NULL;
16140 savedFirst[storedGames] = firstMove;
16141 savedLast [storedGames] = lastMove;
16142 savedFramePtr[storedGames] = framePtr;
16143 framePtr -= nrMoves; // reserve space for the boards
16144 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16145 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16146 for(j=0; j<MOVE_LEN; j++)
16147 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16148 for(j=0; j<2*MOVE_LEN; j++)
16149 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16150 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16151 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16152 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16153 pvInfoList[firstMove+i-1].depth = 0;
16154 commentList[framePtr+i] = commentList[firstMove+i];
16155 commentList[firstMove+i] = NULL;
16159 forwardMostMove = firstMove; // truncate game so we can start variation
16163 PushTail(int firstMove, int lastMove)
16165 if(appData.icsActive) { // only in local mode
16166 forwardMostMove = currentMove; // mimic old ICS behavior
16169 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16171 PushInner(firstMove, lastMove);
16172 if(storedGames == 1) GreyRevert(FALSE);
16176 PopInner(Boolean annotate)
16179 char buf[8000], moveBuf[20];
16182 ToNrEvent(savedFirst[storedGames]); // sets currentMove
16183 nrMoves = savedLast[storedGames] - currentMove;
16186 if(!WhiteOnMove(currentMove))
16187 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16188 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16189 for(i=currentMove; i<forwardMostMove; i++) {
16191 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16192 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16193 strcat(buf, moveBuf);
16194 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16195 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16199 for(i=1; i<=nrMoves; i++) { // copy last variation back
16200 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16201 for(j=0; j<MOVE_LEN; j++)
16202 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16203 for(j=0; j<2*MOVE_LEN; j++)
16204 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16205 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16206 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16207 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16208 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16209 commentList[currentMove+i] = commentList[framePtr+i];
16210 commentList[framePtr+i] = NULL;
16212 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16213 framePtr = savedFramePtr[storedGames];
16214 gameInfo.result = savedResult[storedGames];
16215 if(gameInfo.resultDetails != NULL) {
16216 free(gameInfo.resultDetails);
16218 gameInfo.resultDetails = savedDetails[storedGames];
16219 forwardMostMove = currentMove + nrMoves;
16223 PopTail(Boolean annotate)
16225 if(appData.icsActive) return FALSE; // only in local mode
16226 if(!storedGames) return FALSE; // sanity
16227 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16229 PopInner(annotate);
16231 if(storedGames == 0) GreyRevert(TRUE);
16237 { // remove all shelved variations
16239 for(i=0; i<storedGames; i++) {
16240 if(savedDetails[i])
16241 free(savedDetails[i]);
16242 savedDetails[i] = NULL;
16244 for(i=framePtr; i<MAX_MOVES; i++) {
16245 if(commentList[i]) free(commentList[i]);
16246 commentList[i] = NULL;
16248 framePtr = MAX_MOVES-1;
16253 LoadVariation(int index, char *text)
16254 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16255 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16256 int level = 0, move;
16258 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
16259 // first find outermost bracketing variation
16260 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16261 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16262 if(*p == '{') wait = '}'; else
16263 if(*p == '[') wait = ']'; else
16264 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16265 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16267 if(*p == wait) wait = NULLCHAR; // closing ]} found
16270 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16271 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16272 end[1] = NULLCHAR; // clip off comment beyond variation
16273 ToNrEvent(currentMove-1);
16274 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16275 // kludge: use ParsePV() to append variation to game
16276 move = currentMove;
16277 ParsePV(start, TRUE, TRUE);
16278 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16279 ClearPremoveHighlights();
16281 ToNrEvent(currentMove+1);