2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
227 extern void ConsoleCreate();
230 ChessProgramState *WhitePlayer();
231 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
232 int VerifyDisplayMode P(());
234 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
235 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
236 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
237 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
238 void ics_update_width P((int new_width));
239 extern char installDir[MSG_SIZ];
240 VariantClass startVariant; /* [HGM] nicks: initial variant */
243 extern int tinyLayout, smallLayout;
244 ChessProgramStats programStats;
245 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
247 static int exiting = 0; /* [HGM] moved to top */
248 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
249 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
250 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
251 int partnerHighlight[2];
252 Boolean partnerBoardValid = 0;
253 char partnerStatus[MSG_SIZ];
255 Boolean originalFlip;
256 Boolean twoBoards = 0;
257 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
258 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
259 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
260 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
261 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
262 int opponentKibitzes;
263 int lastSavedGame; /* [HGM] save: ID of game */
264 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
265 extern int chatCount;
267 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
268 char lastMsg[MSG_SIZ];
269 ChessSquare pieceSweep = EmptySquare;
270 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
271 int promoDefaultAltered;
273 /* States for ics_getting_history */
275 #define H_REQUESTED 1
276 #define H_GOT_REQ_HEADER 2
277 #define H_GOT_UNREQ_HEADER 3
278 #define H_GETTING_MOVES 4
279 #define H_GOT_UNWANTED_HEADER 5
281 /* whosays values for GameEnds */
290 /* Maximum number of games in a cmail message */
291 #define CMAIL_MAX_GAMES 20
293 /* Different types of move when calling RegisterMove */
295 #define CMAIL_RESIGN 1
297 #define CMAIL_ACCEPT 3
299 /* Different types of result to remember for each game */
300 #define CMAIL_NOT_RESULT 0
301 #define CMAIL_OLD_RESULT 1
302 #define CMAIL_NEW_RESULT 2
304 /* Telnet protocol constants */
315 safeStrCpy (char *dst, const char *src, size_t count)
318 assert( dst != NULL );
319 assert( src != NULL );
322 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
323 if( i == count && dst[count-1] != NULLCHAR)
325 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
326 if(appData.debugMode)
327 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
333 /* Some compiler can't cast u64 to double
334 * This function do the job for us:
336 * We use the highest bit for cast, this only
337 * works if the highest bit is not
338 * in use (This should not happen)
340 * We used this for all compiler
343 u64ToDouble (u64 value)
346 u64 tmp = value & u64Const(0x7fffffffffffffff);
347 r = (double)(s64)tmp;
348 if (value & u64Const(0x8000000000000000))
349 r += 9.2233720368547758080e18; /* 2^63 */
353 /* Fake up flags for now, as we aren't keeping track of castling
354 availability yet. [HGM] Change of logic: the flag now only
355 indicates the type of castlings allowed by the rule of the game.
356 The actual rights themselves are maintained in the array
357 castlingRights, as part of the game history, and are not probed
363 int flags = F_ALL_CASTLE_OK;
364 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
365 switch (gameInfo.variant) {
367 flags &= ~F_ALL_CASTLE_OK;
368 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
369 flags |= F_IGNORE_CHECK;
371 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
374 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
376 case VariantKriegspiel:
377 flags |= F_KRIEGSPIEL_CAPTURE;
379 case VariantCapaRandom:
380 case VariantFischeRandom:
381 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
382 case VariantNoCastle:
383 case VariantShatranj:
387 flags &= ~F_ALL_CASTLE_OK;
395 FILE *gameFileFP, *debugFP, *serverFP;
396 char *currentDebugFile; // [HGM] debug split: to remember name
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second, pairing;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 int ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
452 int shiftKey; // [HGM] set by mouse handler
454 int have_sent_ICS_logon = 0;
456 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
457 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
458 Boolean adjustedClock;
459 long timeControl_2; /* [AS] Allow separate time controls */
460 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
461 long timeRemaining[2][MAX_MOVES];
462 int matchGame = 0, nextGame = 0, roundNr = 0;
463 Boolean waitingForGame = FALSE;
464 TimeMark programStartTime, pauseStart;
465 char ics_handle[MSG_SIZ];
466 int have_set_title = 0;
468 /* animateTraining preserves the state of appData.animate
469 * when Training mode is activated. This allows the
470 * response to be animated when appData.animate == TRUE and
471 * appData.animateDragging == TRUE.
473 Boolean animateTraining;
479 Board boards[MAX_MOVES];
480 /* [HGM] Following 7 needed for accurate legality tests: */
481 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
482 signed char initialRights[BOARD_FILES];
483 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
484 int initialRulePlies, FENrulePlies;
485 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
487 Boolean shuffleOpenings;
488 int mute; // mute all sounds
490 // [HGM] vari: next 12 to save and restore variations
491 #define MAX_VARIATIONS 10
492 int framePtr = MAX_MOVES-1; // points to free stack entry
494 int savedFirst[MAX_VARIATIONS];
495 int savedLast[MAX_VARIATIONS];
496 int savedFramePtr[MAX_VARIATIONS];
497 char *savedDetails[MAX_VARIATIONS];
498 ChessMove savedResult[MAX_VARIATIONS];
500 void PushTail P((int firstMove, int lastMove));
501 Boolean PopTail P((Boolean annotate));
502 void PushInner P((int firstMove, int lastMove));
503 void PopInner P((Boolean annotate));
504 void CleanupTail P((void));
506 ChessSquare FIDEArray[2][BOARD_FILES] = {
507 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
508 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
509 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
510 BlackKing, BlackBishop, BlackKnight, BlackRook }
513 ChessSquare twoKingsArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackKing, BlackKnight, BlackRook }
520 ChessSquare KnightmateArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
522 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
523 { BlackRook, BlackMan, BlackBishop, BlackQueen,
524 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
527 ChessSquare SpartanArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
529 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
530 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
531 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
534 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
538 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
541 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
542 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
543 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
544 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
545 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
548 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
550 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackMan, BlackFerz,
552 BlackKing, BlackMan, BlackKnight, BlackRook }
556 #if (BOARD_FILES>=10)
557 ChessSquare ShogiArray[2][BOARD_FILES] = {
558 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
559 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
560 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
561 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
564 ChessSquare XiangqiArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
566 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
567 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
568 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
571 ChessSquare CapablancaArray[2][BOARD_FILES] = {
572 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
574 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
575 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
578 ChessSquare GreatArray[2][BOARD_FILES] = {
579 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
580 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
581 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
582 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
585 ChessSquare JanusArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
587 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
588 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
589 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
592 ChessSquare GrandArray[2][BOARD_FILES] = {
593 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
594 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
595 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
596 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
600 ChessSquare GothicArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
602 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
604 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
607 #define GothicArray CapablancaArray
611 ChessSquare FalconArray[2][BOARD_FILES] = {
612 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
613 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
614 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
615 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
618 #define FalconArray CapablancaArray
621 #else // !(BOARD_FILES>=10)
622 #define XiangqiPosition FIDEArray
623 #define CapablancaArray FIDEArray
624 #define GothicArray FIDEArray
625 #define GreatArray FIDEArray
626 #endif // !(BOARD_FILES>=10)
628 #if (BOARD_FILES>=12)
629 ChessSquare CourierArray[2][BOARD_FILES] = {
630 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
631 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
632 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
633 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
635 #else // !(BOARD_FILES>=12)
636 #define CourierArray CapablancaArray
637 #endif // !(BOARD_FILES>=12)
640 Board initialPosition;
643 /* Convert str to a rating. Checks for special cases of "----",
645 "++++", etc. Also strips ()'s */
647 string_to_rating (char *str)
649 while(*str && !isdigit(*str)) ++str;
651 return 0; /* One of the special "no rating" cases */
659 /* Init programStats */
660 programStats.movelist[0] = 0;
661 programStats.depth = 0;
662 programStats.nr_moves = 0;
663 programStats.moves_left = 0;
664 programStats.nodes = 0;
665 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
666 programStats.score = 0;
667 programStats.got_only_move = 0;
668 programStats.got_fail = 0;
669 programStats.line_is_book = 0;
674 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
675 if (appData.firstPlaysBlack) {
676 first.twoMachinesColor = "black\n";
677 second.twoMachinesColor = "white\n";
679 first.twoMachinesColor = "white\n";
680 second.twoMachinesColor = "black\n";
683 first.other = &second;
684 second.other = &first;
687 if(appData.timeOddsMode) {
688 norm = appData.timeOdds[0];
689 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
691 first.timeOdds = appData.timeOdds[0]/norm;
692 second.timeOdds = appData.timeOdds[1]/norm;
695 if(programVersion) free(programVersion);
696 if (appData.noChessProgram) {
697 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
698 sprintf(programVersion, "%s", PACKAGE_STRING);
700 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
701 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
702 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
707 UnloadEngine (ChessProgramState *cps)
709 /* Kill off first chess program */
710 if (cps->isr != NULL)
711 RemoveInputSource(cps->isr);
714 if (cps->pr != NoProc) {
716 DoSleep( appData.delayBeforeQuit );
717 SendToProgram("quit\n", cps);
718 DoSleep( appData.delayAfterQuit );
719 DestroyChildProcess(cps->pr, cps->useSigterm);
722 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
726 ClearOptions (ChessProgramState *cps)
729 cps->nrOptions = cps->comboCnt = 0;
730 for(i=0; i<MAX_OPTIONS; i++) {
731 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
732 cps->option[i].textValue = 0;
736 char *engineNames[] = {
737 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
738 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
740 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
741 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
746 InitEngine (ChessProgramState *cps, int n)
747 { // [HGM] all engine initialiation put in a function that does one engine
751 cps->which = engineNames[n];
752 cps->maybeThinking = FALSE;
756 cps->sendDrawOffers = 1;
758 cps->program = appData.chessProgram[n];
759 cps->host = appData.host[n];
760 cps->dir = appData.directory[n];
761 cps->initString = appData.engInitString[n];
762 cps->computerString = appData.computerString[n];
763 cps->useSigint = TRUE;
764 cps->useSigterm = TRUE;
765 cps->reuse = appData.reuse[n];
766 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
767 cps->useSetboard = FALSE;
769 cps->usePing = FALSE;
772 cps->usePlayother = FALSE;
773 cps->useColors = TRUE;
774 cps->useUsermove = FALSE;
775 cps->sendICS = FALSE;
776 cps->sendName = appData.icsActive;
777 cps->sdKludge = FALSE;
778 cps->stKludge = FALSE;
779 TidyProgramName(cps->program, cps->host, cps->tidy);
781 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
782 cps->analysisSupport = 2; /* detect */
783 cps->analyzing = FALSE;
784 cps->initDone = FALSE;
786 /* New features added by Tord: */
787 cps->useFEN960 = FALSE;
788 cps->useOOCastle = TRUE;
789 /* End of new features added by Tord. */
790 cps->fenOverride = appData.fenOverride[n];
792 /* [HGM] time odds: set factor for each machine */
793 cps->timeOdds = appData.timeOdds[n];
795 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
796 cps->accumulateTC = appData.accumulateTC[n];
797 cps->maxNrOfSessions = 1;
802 cps->supportsNPS = UNKNOWN;
803 cps->memSize = FALSE;
804 cps->maxCores = FALSE;
805 cps->egtFormats[0] = NULLCHAR;
808 cps->optionSettings = appData.engOptions[n];
810 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
811 cps->isUCI = appData.isUCI[n]; /* [AS] */
812 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
814 if (appData.protocolVersion[n] > PROTOVER
815 || appData.protocolVersion[n] < 1)
820 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
821 appData.protocolVersion[n]);
822 if( (len >= MSG_SIZ) && appData.debugMode )
823 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
825 DisplayFatalError(buf, 0, 2);
829 cps->protocolVersion = appData.protocolVersion[n];
832 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
833 ParseFeatures(appData.featureDefaults, cps);
836 ChessProgramState *savCps;
842 if(WaitForEngine(savCps, LoadEngine)) return;
843 CommonEngineInit(); // recalculate time odds
844 if(gameInfo.variant != StringToVariant(appData.variant)) {
845 // we changed variant when loading the engine; this forces us to reset
846 Reset(TRUE, savCps != &first);
847 EditGameEvent(); // for consistency with other path, as Reset changes mode
849 InitChessProgram(savCps, FALSE);
850 SendToProgram("force\n", savCps);
851 DisplayMessage("", "");
852 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
853 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
859 ReplaceEngine (ChessProgramState *cps, int n)
863 appData.noChessProgram = FALSE;
864 appData.clockMode = TRUE;
867 if(n) return; // only startup first engine immediately; second can wait
868 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
872 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
873 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
875 static char resetOptions[] =
876 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
877 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
878 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
881 FloatToFront(char **list, char *engineLine)
883 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
885 if(appData.recentEngines <= 0) return;
886 TidyProgramName(engineLine, "localhost", tidy+1);
887 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
888 strncpy(buf+1, *list, MSG_SIZ-50);
889 if(p = strstr(buf, tidy)) { // tidy name appears in list
890 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
891 while(*p++ = *++q); // squeeze out
893 strcat(tidy, buf+1); // put list behind tidy name
894 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
895 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
896 ASSIGN(*list, tidy+1);
900 Load (ChessProgramState *cps, int i)
902 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
903 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
904 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
905 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
906 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
907 appData.firstProtocolVersion = PROTOVER;
908 ParseArgsFromString(buf);
910 ReplaceEngine(cps, i);
911 FloatToFront(&appData.recentEngineList, engineLine);
915 while(q = strchr(p, SLASH)) p = q+1;
916 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
917 if(engineDir[0] != NULLCHAR)
918 appData.directory[i] = engineDir;
919 else if(p != engineName) { // derive directory from engine path, when not given
921 appData.directory[i] = strdup(engineName);
923 } else appData.directory[i] = ".";
925 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
926 snprintf(command, MSG_SIZ, "%s %s", p, params);
929 appData.chessProgram[i] = strdup(p);
930 appData.isUCI[i] = isUCI;
931 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
932 appData.hasOwnBookUCI[i] = hasBook;
933 if(!nickName[0]) useNick = FALSE;
934 if(useNick) ASSIGN(appData.pgnName[i], nickName);
938 q = firstChessProgramNames;
939 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
940 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
941 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
942 quote, p, quote, appData.directory[i],
943 useNick ? " -fn \"" : "",
944 useNick ? nickName : "",
946 v1 ? " -firstProtocolVersion 1" : "",
947 hasBook ? "" : " -fNoOwnBookUCI",
948 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
949 storeVariant ? " -variant " : "",
950 storeVariant ? VariantName(gameInfo.variant) : "");
951 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
952 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
954 FloatToFront(&appData.recentEngineList, buf);
956 ReplaceEngine(cps, i);
962 int matched, min, sec;
964 * Parse timeControl resource
966 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
967 appData.movesPerSession)) {
969 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
970 DisplayFatalError(buf, 0, 2);
974 * Parse searchTime resource
976 if (*appData.searchTime != NULLCHAR) {
977 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
979 searchTime = min * 60;
980 } else if (matched == 2) {
981 searchTime = min * 60 + sec;
984 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
985 DisplayFatalError(buf, 0, 2);
994 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
995 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
997 GetTimeMark(&programStartTime);
998 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
999 appData.seedBase = random() + (random()<<15);
1000 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1002 ClearProgramStats();
1003 programStats.ok_to_send = 1;
1004 programStats.seen_stat = 0;
1007 * Initialize game list
1013 * Internet chess server status
1015 if (appData.icsActive) {
1016 appData.matchMode = FALSE;
1017 appData.matchGames = 0;
1019 appData.noChessProgram = !appData.zippyPlay;
1021 appData.zippyPlay = FALSE;
1022 appData.zippyTalk = FALSE;
1023 appData.noChessProgram = TRUE;
1025 if (*appData.icsHelper != NULLCHAR) {
1026 appData.useTelnet = TRUE;
1027 appData.telnetProgram = appData.icsHelper;
1030 appData.zippyTalk = appData.zippyPlay = FALSE;
1033 /* [AS] Initialize pv info list [HGM] and game state */
1037 for( i=0; i<=framePtr; i++ ) {
1038 pvInfoList[i].depth = -1;
1039 boards[i][EP_STATUS] = EP_NONE;
1040 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1046 /* [AS] Adjudication threshold */
1047 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1049 InitEngine(&first, 0);
1050 InitEngine(&second, 1);
1053 pairing.which = "pairing"; // pairing engine
1054 pairing.pr = NoProc;
1056 pairing.program = appData.pairingEngine;
1057 pairing.host = "localhost";
1060 if (appData.icsActive) {
1061 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1062 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1063 appData.clockMode = FALSE;
1064 first.sendTime = second.sendTime = 0;
1068 /* Override some settings from environment variables, for backward
1069 compatibility. Unfortunately it's not feasible to have the env
1070 vars just set defaults, at least in xboard. Ugh.
1072 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1077 if (!appData.icsActive) {
1081 /* Check for variants that are supported only in ICS mode,
1082 or not at all. Some that are accepted here nevertheless
1083 have bugs; see comments below.
1085 VariantClass variant = StringToVariant(appData.variant);
1087 case VariantBughouse: /* need four players and two boards */
1088 case VariantKriegspiel: /* need to hide pieces and move details */
1089 /* case VariantFischeRandom: (Fabien: moved below) */
1090 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1091 if( (len >= MSG_SIZ) && appData.debugMode )
1092 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1094 DisplayFatalError(buf, 0, 2);
1097 case VariantUnknown:
1098 case VariantLoadable:
1108 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1109 if( (len >= MSG_SIZ) && appData.debugMode )
1110 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1112 DisplayFatalError(buf, 0, 2);
1115 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1116 case VariantFairy: /* [HGM] TestLegality definitely off! */
1117 case VariantGothic: /* [HGM] should work */
1118 case VariantCapablanca: /* [HGM] should work */
1119 case VariantCourier: /* [HGM] initial forced moves not implemented */
1120 case VariantShogi: /* [HGM] could still mate with pawn drop */
1121 case VariantKnightmate: /* [HGM] should work */
1122 case VariantCylinder: /* [HGM] untested */
1123 case VariantFalcon: /* [HGM] untested */
1124 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1125 offboard interposition not understood */
1126 case VariantNormal: /* definitely works! */
1127 case VariantWildCastle: /* pieces not automatically shuffled */
1128 case VariantNoCastle: /* pieces not automatically shuffled */
1129 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1130 case VariantLosers: /* should work except for win condition,
1131 and doesn't know captures are mandatory */
1132 case VariantSuicide: /* should work except for win condition,
1133 and doesn't know captures are mandatory */
1134 case VariantGiveaway: /* should work except for win condition,
1135 and doesn't know captures are mandatory */
1136 case VariantTwoKings: /* should work */
1137 case VariantAtomic: /* should work except for win condition */
1138 case Variant3Check: /* should work except for win condition */
1139 case VariantShatranj: /* should work except for all win conditions */
1140 case VariantMakruk: /* should work except for draw countdown */
1141 case VariantBerolina: /* might work if TestLegality is off */
1142 case VariantCapaRandom: /* should work */
1143 case VariantJanus: /* should work */
1144 case VariantSuper: /* experimental */
1145 case VariantGreat: /* experimental, requires legality testing to be off */
1146 case VariantSChess: /* S-Chess, should work */
1147 case VariantGrand: /* should work */
1148 case VariantSpartan: /* should work */
1156 NextIntegerFromString (char ** str, long * value)
1161 while( *s == ' ' || *s == '\t' ) {
1167 if( *s >= '0' && *s <= '9' ) {
1168 while( *s >= '0' && *s <= '9' ) {
1169 *value = *value * 10 + (*s - '0');
1182 NextTimeControlFromString (char ** str, long * value)
1185 int result = NextIntegerFromString( str, &temp );
1188 *value = temp * 60; /* Minutes */
1189 if( **str == ':' ) {
1191 result = NextIntegerFromString( str, &temp );
1192 *value += temp; /* Seconds */
1200 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1201 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1202 int result = -1, type = 0; long temp, temp2;
1204 if(**str != ':') return -1; // old params remain in force!
1206 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1207 if( NextIntegerFromString( str, &temp ) ) return -1;
1208 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1211 /* time only: incremental or sudden-death time control */
1212 if(**str == '+') { /* increment follows; read it */
1214 if(**str == '!') type = *(*str)++; // Bronstein TC
1215 if(result = NextIntegerFromString( str, &temp2)) return -1;
1216 *inc = temp2 * 1000;
1217 if(**str == '.') { // read fraction of increment
1218 char *start = ++(*str);
1219 if(result = NextIntegerFromString( str, &temp2)) return -1;
1221 while(start++ < *str) temp2 /= 10;
1225 *moves = 0; *tc = temp * 1000; *incType = type;
1229 (*str)++; /* classical time control */
1230 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1242 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1243 { /* [HGM] get time to add from the multi-session time-control string */
1244 int incType, moves=1; /* kludge to force reading of first session */
1245 long time, increment;
1248 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1250 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1251 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1252 if(movenr == -1) return time; /* last move before new session */
1253 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1254 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1255 if(!moves) return increment; /* current session is incremental */
1256 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1257 } while(movenr >= -1); /* try again for next session */
1259 return 0; // no new time quota on this move
1263 ParseTimeControl (char *tc, float ti, int mps)
1267 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1270 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1271 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1272 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1276 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1278 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1281 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1283 snprintf(buf, MSG_SIZ, ":%s", mytc);
1285 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1287 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1292 /* Parse second time control */
1295 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1303 timeControl_2 = tc2 * 1000;
1313 timeControl = tc1 * 1000;
1316 timeIncrement = ti * 1000; /* convert to ms */
1317 movesPerSession = 0;
1320 movesPerSession = mps;
1328 if (appData.debugMode) {
1329 fprintf(debugFP, "%s\n", programVersion);
1331 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1333 set_cont_sequence(appData.wrapContSeq);
1334 if (appData.matchGames > 0) {
1335 appData.matchMode = TRUE;
1336 } else if (appData.matchMode) {
1337 appData.matchGames = 1;
1339 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1340 appData.matchGames = appData.sameColorGames;
1341 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1342 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1343 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1346 if (appData.noChessProgram || first.protocolVersion == 1) {
1349 /* kludge: allow timeout for initial "feature" commands */
1351 DisplayMessage("", _("Starting chess program"));
1352 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1357 CalculateIndex (int index, int gameNr)
1358 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1360 if(index > 0) return index; // fixed nmber
1361 if(index == 0) return 1;
1362 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1363 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1368 LoadGameOrPosition (int gameNr)
1369 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1370 if (*appData.loadGameFile != NULLCHAR) {
1371 if (!LoadGameFromFile(appData.loadGameFile,
1372 CalculateIndex(appData.loadGameIndex, gameNr),
1373 appData.loadGameFile, FALSE)) {
1374 DisplayFatalError(_("Bad game file"), 0, 1);
1377 } else if (*appData.loadPositionFile != NULLCHAR) {
1378 if (!LoadPositionFromFile(appData.loadPositionFile,
1379 CalculateIndex(appData.loadPositionIndex, gameNr),
1380 appData.loadPositionFile)) {
1381 DisplayFatalError(_("Bad position file"), 0, 1);
1389 ReserveGame (int gameNr, char resChar)
1391 FILE *tf = fopen(appData.tourneyFile, "r+");
1392 char *p, *q, c, buf[MSG_SIZ];
1393 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1394 safeStrCpy(buf, lastMsg, MSG_SIZ);
1395 DisplayMessage(_("Pick new game"), "");
1396 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1397 ParseArgsFromFile(tf);
1398 p = q = appData.results;
1399 if(appData.debugMode) {
1400 char *r = appData.participants;
1401 fprintf(debugFP, "results = '%s'\n", p);
1402 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1403 fprintf(debugFP, "\n");
1405 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1407 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1408 safeStrCpy(q, p, strlen(p) + 2);
1409 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1410 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1411 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1412 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1415 fseek(tf, -(strlen(p)+4), SEEK_END);
1417 if(c != '"') // depending on DOS or Unix line endings we can be one off
1418 fseek(tf, -(strlen(p)+2), SEEK_END);
1419 else fseek(tf, -(strlen(p)+3), SEEK_END);
1420 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1421 DisplayMessage(buf, "");
1422 free(p); appData.results = q;
1423 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1424 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1425 int round = appData.defaultMatchGames * appData.tourneyType;
1426 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1427 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1428 UnloadEngine(&first); // next game belongs to other pairing;
1429 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1431 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1435 MatchEvent (int mode)
1436 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1438 if(matchMode) { // already in match mode: switch it off
1440 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1443 // if(gameMode != BeginningOfGame) {
1444 // DisplayError(_("You can only start a match from the initial position."), 0);
1448 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1449 /* Set up machine vs. machine match */
1451 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1452 if(appData.tourneyFile[0]) {
1454 if(nextGame > appData.matchGames) {
1456 if(strchr(appData.results, '*') == NULL) {
1458 appData.tourneyCycles++;
1459 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1461 NextTourneyGame(-1, &dummy);
1463 if(nextGame <= appData.matchGames) {
1464 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1466 ScheduleDelayedEvent(NextMatchGame, 10000);
1471 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1472 DisplayError(buf, 0);
1473 appData.tourneyFile[0] = 0;
1477 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1478 DisplayFatalError(_("Can't have a match with no chess programs"),
1483 matchGame = roundNr = 1;
1484 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1488 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1491 InitBackEnd3 P((void))
1493 GameMode initialMode;
1497 InitChessProgram(&first, startedFromSetupPosition);
1499 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1500 free(programVersion);
1501 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1502 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1503 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1506 if (appData.icsActive) {
1508 /* [DM] Make a console window if needed [HGM] merged ifs */
1514 if (*appData.icsCommPort != NULLCHAR)
1515 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1516 appData.icsCommPort);
1518 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1519 appData.icsHost, appData.icsPort);
1521 if( (len >= MSG_SIZ) && appData.debugMode )
1522 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1524 DisplayFatalError(buf, err, 1);
1529 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1531 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1532 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1533 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1534 } else if (appData.noChessProgram) {
1540 if (*appData.cmailGameName != NULLCHAR) {
1542 OpenLoopback(&cmailPR);
1544 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1548 DisplayMessage("", "");
1549 if (StrCaseCmp(appData.initialMode, "") == 0) {
1550 initialMode = BeginningOfGame;
1551 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1552 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1553 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1554 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1557 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1558 initialMode = TwoMachinesPlay;
1559 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1560 initialMode = AnalyzeFile;
1561 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1562 initialMode = AnalyzeMode;
1563 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1564 initialMode = MachinePlaysWhite;
1565 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1566 initialMode = MachinePlaysBlack;
1567 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1568 initialMode = EditGame;
1569 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1570 initialMode = EditPosition;
1571 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1572 initialMode = Training;
1574 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1575 if( (len >= MSG_SIZ) && appData.debugMode )
1576 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1578 DisplayFatalError(buf, 0, 2);
1582 if (appData.matchMode) {
1583 if(appData.tourneyFile[0]) { // start tourney from command line
1585 if(f = fopen(appData.tourneyFile, "r")) {
1586 ParseArgsFromFile(f); // make sure tourney parmeters re known
1588 appData.clockMode = TRUE;
1590 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1593 } else if (*appData.cmailGameName != NULLCHAR) {
1594 /* Set up cmail mode */
1595 ReloadCmailMsgEvent(TRUE);
1597 /* Set up other modes */
1598 if (initialMode == AnalyzeFile) {
1599 if (*appData.loadGameFile == NULLCHAR) {
1600 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1604 if (*appData.loadGameFile != NULLCHAR) {
1605 (void) LoadGameFromFile(appData.loadGameFile,
1606 appData.loadGameIndex,
1607 appData.loadGameFile, TRUE);
1608 } else if (*appData.loadPositionFile != NULLCHAR) {
1609 (void) LoadPositionFromFile(appData.loadPositionFile,
1610 appData.loadPositionIndex,
1611 appData.loadPositionFile);
1612 /* [HGM] try to make self-starting even after FEN load */
1613 /* to allow automatic setup of fairy variants with wtm */
1614 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1615 gameMode = BeginningOfGame;
1616 setboardSpoiledMachineBlack = 1;
1618 /* [HGM] loadPos: make that every new game uses the setup */
1619 /* from file as long as we do not switch variant */
1620 if(!blackPlaysFirst) {
1621 startedFromPositionFile = TRUE;
1622 CopyBoard(filePosition, boards[0]);
1625 if (initialMode == AnalyzeMode) {
1626 if (appData.noChessProgram) {
1627 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1630 if (appData.icsActive) {
1631 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1635 } else if (initialMode == AnalyzeFile) {
1636 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1637 ShowThinkingEvent();
1639 AnalysisPeriodicEvent(1);
1640 } else if (initialMode == MachinePlaysWhite) {
1641 if (appData.noChessProgram) {
1642 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1646 if (appData.icsActive) {
1647 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1651 MachineWhiteEvent();
1652 } else if (initialMode == MachinePlaysBlack) {
1653 if (appData.noChessProgram) {
1654 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1658 if (appData.icsActive) {
1659 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1663 MachineBlackEvent();
1664 } else if (initialMode == TwoMachinesPlay) {
1665 if (appData.noChessProgram) {
1666 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1670 if (appData.icsActive) {
1671 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1676 } else if (initialMode == EditGame) {
1678 } else if (initialMode == EditPosition) {
1679 EditPositionEvent();
1680 } else if (initialMode == Training) {
1681 if (*appData.loadGameFile == NULLCHAR) {
1682 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1691 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1693 DisplayBook(current+1);
1695 MoveHistorySet( movelist, first, last, current, pvInfoList );
1697 EvalGraphSet( first, last, current, pvInfoList );
1699 MakeEngineOutputTitle();
1703 * Establish will establish a contact to a remote host.port.
1704 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1705 * used to talk to the host.
1706 * Returns 0 if okay, error code if not.
1713 if (*appData.icsCommPort != NULLCHAR) {
1714 /* Talk to the host through a serial comm port */
1715 return OpenCommPort(appData.icsCommPort, &icsPR);
1717 } else if (*appData.gateway != NULLCHAR) {
1718 if (*appData.remoteShell == NULLCHAR) {
1719 /* Use the rcmd protocol to run telnet program on a gateway host */
1720 snprintf(buf, sizeof(buf), "%s %s %s",
1721 appData.telnetProgram, appData.icsHost, appData.icsPort);
1722 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1725 /* Use the rsh program to run telnet program on a gateway host */
1726 if (*appData.remoteUser == NULLCHAR) {
1727 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1728 appData.gateway, appData.telnetProgram,
1729 appData.icsHost, appData.icsPort);
1731 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1732 appData.remoteShell, appData.gateway,
1733 appData.remoteUser, appData.telnetProgram,
1734 appData.icsHost, appData.icsPort);
1736 return StartChildProcess(buf, "", &icsPR);
1739 } else if (appData.useTelnet) {
1740 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1743 /* TCP socket interface differs somewhat between
1744 Unix and NT; handle details in the front end.
1746 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1751 EscapeExpand (char *p, char *q)
1752 { // [HGM] initstring: routine to shape up string arguments
1753 while(*p++ = *q++) if(p[-1] == '\\')
1755 case 'n': p[-1] = '\n'; break;
1756 case 'r': p[-1] = '\r'; break;
1757 case 't': p[-1] = '\t'; break;
1758 case '\\': p[-1] = '\\'; break;
1759 case 0: *p = 0; return;
1760 default: p[-1] = q[-1]; break;
1765 show_bytes (FILE *fp, char *buf, int count)
1768 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1769 fprintf(fp, "\\%03o", *buf & 0xff);
1778 /* Returns an errno value */
1780 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1782 char buf[8192], *p, *q, *buflim;
1783 int left, newcount, outcount;
1785 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1786 *appData.gateway != NULLCHAR) {
1787 if (appData.debugMode) {
1788 fprintf(debugFP, ">ICS: ");
1789 show_bytes(debugFP, message, count);
1790 fprintf(debugFP, "\n");
1792 return OutputToProcess(pr, message, count, outError);
1795 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1802 if (appData.debugMode) {
1803 fprintf(debugFP, ">ICS: ");
1804 show_bytes(debugFP, buf, newcount);
1805 fprintf(debugFP, "\n");
1807 outcount = OutputToProcess(pr, buf, newcount, outError);
1808 if (outcount < newcount) return -1; /* to be sure */
1815 } else if (((unsigned char) *p) == TN_IAC) {
1816 *q++ = (char) TN_IAC;
1823 if (appData.debugMode) {
1824 fprintf(debugFP, ">ICS: ");
1825 show_bytes(debugFP, buf, newcount);
1826 fprintf(debugFP, "\n");
1828 outcount = OutputToProcess(pr, buf, newcount, outError);
1829 if (outcount < newcount) return -1; /* to be sure */
1834 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1836 int outError, outCount;
1837 static int gotEof = 0;
1839 /* Pass data read from player on to ICS */
1842 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1843 if (outCount < count) {
1844 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1846 } else if (count < 0) {
1847 RemoveInputSource(isr);
1848 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1849 } else if (gotEof++ > 0) {
1850 RemoveInputSource(isr);
1851 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1857 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1858 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1859 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1860 SendToICS("date\n");
1861 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1864 /* added routine for printf style output to ics */
1866 ics_printf (char *format, ...)
1868 char buffer[MSG_SIZ];
1871 va_start(args, format);
1872 vsnprintf(buffer, sizeof(buffer), format, args);
1873 buffer[sizeof(buffer)-1] = '\0';
1881 int count, outCount, outError;
1883 if (icsPR == NoProc) return;
1886 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1887 if (outCount < count) {
1888 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1892 /* This is used for sending logon scripts to the ICS. Sending
1893 without a delay causes problems when using timestamp on ICC
1894 (at least on my machine). */
1896 SendToICSDelayed (char *s, long msdelay)
1898 int count, outCount, outError;
1900 if (icsPR == NoProc) return;
1903 if (appData.debugMode) {
1904 fprintf(debugFP, ">ICS: ");
1905 show_bytes(debugFP, s, count);
1906 fprintf(debugFP, "\n");
1908 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1910 if (outCount < count) {
1911 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1916 /* Remove all highlighting escape sequences in s
1917 Also deletes any suffix starting with '('
1920 StripHighlightAndTitle (char *s)
1922 static char retbuf[MSG_SIZ];
1925 while (*s != NULLCHAR) {
1926 while (*s == '\033') {
1927 while (*s != NULLCHAR && !isalpha(*s)) s++;
1928 if (*s != NULLCHAR) s++;
1930 while (*s != NULLCHAR && *s != '\033') {
1931 if (*s == '(' || *s == '[') {
1942 /* Remove all highlighting escape sequences in s */
1944 StripHighlight (char *s)
1946 static char retbuf[MSG_SIZ];
1949 while (*s != NULLCHAR) {
1950 while (*s == '\033') {
1951 while (*s != NULLCHAR && !isalpha(*s)) s++;
1952 if (*s != NULLCHAR) s++;
1954 while (*s != NULLCHAR && *s != '\033') {
1962 char *variantNames[] = VARIANT_NAMES;
1964 VariantName (VariantClass v)
1966 return variantNames[v];
1970 /* Identify a variant from the strings the chess servers use or the
1971 PGN Variant tag names we use. */
1973 StringToVariant (char *e)
1977 VariantClass v = VariantNormal;
1978 int i, found = FALSE;
1984 /* [HGM] skip over optional board-size prefixes */
1985 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1986 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1987 while( *e++ != '_');
1990 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1994 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1995 if (StrCaseStr(e, variantNames[i])) {
1996 v = (VariantClass) i;
2003 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2004 || StrCaseStr(e, "wild/fr")
2005 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2006 v = VariantFischeRandom;
2007 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2008 (i = 1, p = StrCaseStr(e, "w"))) {
2010 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2017 case 0: /* FICS only, actually */
2019 /* Castling legal even if K starts on d-file */
2020 v = VariantWildCastle;
2025 /* Castling illegal even if K & R happen to start in
2026 normal positions. */
2027 v = VariantNoCastle;
2040 /* Castling legal iff K & R start in normal positions */
2046 /* Special wilds for position setup; unclear what to do here */
2047 v = VariantLoadable;
2050 /* Bizarre ICC game */
2051 v = VariantTwoKings;
2054 v = VariantKriegspiel;
2060 v = VariantFischeRandom;
2063 v = VariantCrazyhouse;
2066 v = VariantBughouse;
2072 /* Not quite the same as FICS suicide! */
2073 v = VariantGiveaway;
2079 v = VariantShatranj;
2082 /* Temporary names for future ICC types. The name *will* change in
2083 the next xboard/WinBoard release after ICC defines it. */
2121 v = VariantCapablanca;
2124 v = VariantKnightmate;
2130 v = VariantCylinder;
2136 v = VariantCapaRandom;
2139 v = VariantBerolina;
2151 /* Found "wild" or "w" in the string but no number;
2152 must assume it's normal chess. */
2156 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2157 if( (len >= MSG_SIZ) && appData.debugMode )
2158 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2160 DisplayError(buf, 0);
2166 if (appData.debugMode) {
2167 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2168 e, wnum, VariantName(v));
2173 static int leftover_start = 0, leftover_len = 0;
2174 char star_match[STAR_MATCH_N][MSG_SIZ];
2176 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2177 advance *index beyond it, and set leftover_start to the new value of
2178 *index; else return FALSE. If pattern contains the character '*', it
2179 matches any sequence of characters not containing '\r', '\n', or the
2180 character following the '*' (if any), and the matched sequence(s) are
2181 copied into star_match.
2184 looking_at ( char *buf, int *index, char *pattern)
2186 char *bufp = &buf[*index], *patternp = pattern;
2188 char *matchp = star_match[0];
2191 if (*patternp == NULLCHAR) {
2192 *index = leftover_start = bufp - buf;
2196 if (*bufp == NULLCHAR) return FALSE;
2197 if (*patternp == '*') {
2198 if (*bufp == *(patternp + 1)) {
2200 matchp = star_match[++star_count];
2204 } else if (*bufp == '\n' || *bufp == '\r') {
2206 if (*patternp == NULLCHAR)
2211 *matchp++ = *bufp++;
2215 if (*patternp != *bufp) return FALSE;
2222 SendToPlayer (char *data, int length)
2224 int error, outCount;
2225 outCount = OutputToProcess(NoProc, data, length, &error);
2226 if (outCount < length) {
2227 DisplayFatalError(_("Error writing to display"), error, 1);
2232 PackHolding (char packed[], char *holding)
2242 switch (runlength) {
2253 sprintf(q, "%d", runlength);
2265 /* Telnet protocol requests from the front end */
2267 TelnetRequest (unsigned char ddww, unsigned char option)
2269 unsigned char msg[3];
2270 int outCount, outError;
2272 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2274 if (appData.debugMode) {
2275 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2291 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2300 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2303 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2308 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2310 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2317 if (!appData.icsActive) return;
2318 TelnetRequest(TN_DO, TN_ECHO);
2324 if (!appData.icsActive) return;
2325 TelnetRequest(TN_DONT, TN_ECHO);
2329 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2331 /* put the holdings sent to us by the server on the board holdings area */
2332 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2336 if(gameInfo.holdingsWidth < 2) return;
2337 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2338 return; // prevent overwriting by pre-board holdings
2340 if( (int)lowestPiece >= BlackPawn ) {
2343 holdingsStartRow = BOARD_HEIGHT-1;
2346 holdingsColumn = BOARD_WIDTH-1;
2347 countsColumn = BOARD_WIDTH-2;
2348 holdingsStartRow = 0;
2352 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2353 board[i][holdingsColumn] = EmptySquare;
2354 board[i][countsColumn] = (ChessSquare) 0;
2356 while( (p=*holdings++) != NULLCHAR ) {
2357 piece = CharToPiece( ToUpper(p) );
2358 if(piece == EmptySquare) continue;
2359 /*j = (int) piece - (int) WhitePawn;*/
2360 j = PieceToNumber(piece);
2361 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2362 if(j < 0) continue; /* should not happen */
2363 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2364 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2365 board[holdingsStartRow+j*direction][countsColumn]++;
2371 VariantSwitch (Board board, VariantClass newVariant)
2373 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2374 static Board oldBoard;
2376 startedFromPositionFile = FALSE;
2377 if(gameInfo.variant == newVariant) return;
2379 /* [HGM] This routine is called each time an assignment is made to
2380 * gameInfo.variant during a game, to make sure the board sizes
2381 * are set to match the new variant. If that means adding or deleting
2382 * holdings, we shift the playing board accordingly
2383 * This kludge is needed because in ICS observe mode, we get boards
2384 * of an ongoing game without knowing the variant, and learn about the
2385 * latter only later. This can be because of the move list we requested,
2386 * in which case the game history is refilled from the beginning anyway,
2387 * but also when receiving holdings of a crazyhouse game. In the latter
2388 * case we want to add those holdings to the already received position.
2392 if (appData.debugMode) {
2393 fprintf(debugFP, "Switch board from %s to %s\n",
2394 VariantName(gameInfo.variant), VariantName(newVariant));
2395 setbuf(debugFP, NULL);
2397 shuffleOpenings = 0; /* [HGM] shuffle */
2398 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2402 newWidth = 9; newHeight = 9;
2403 gameInfo.holdingsSize = 7;
2404 case VariantBughouse:
2405 case VariantCrazyhouse:
2406 newHoldingsWidth = 2; break;
2410 newHoldingsWidth = 2;
2411 gameInfo.holdingsSize = 8;
2414 case VariantCapablanca:
2415 case VariantCapaRandom:
2418 newHoldingsWidth = gameInfo.holdingsSize = 0;
2421 if(newWidth != gameInfo.boardWidth ||
2422 newHeight != gameInfo.boardHeight ||
2423 newHoldingsWidth != gameInfo.holdingsWidth ) {
2425 /* shift position to new playing area, if needed */
2426 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2427 for(i=0; i<BOARD_HEIGHT; i++)
2428 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2429 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2431 for(i=0; i<newHeight; i++) {
2432 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2433 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2435 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2436 for(i=0; i<BOARD_HEIGHT; i++)
2437 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2438 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2441 gameInfo.boardWidth = newWidth;
2442 gameInfo.boardHeight = newHeight;
2443 gameInfo.holdingsWidth = newHoldingsWidth;
2444 gameInfo.variant = newVariant;
2445 InitDrawingSizes(-2, 0);
2446 } else gameInfo.variant = newVariant;
2447 CopyBoard(oldBoard, board); // remember correctly formatted board
2448 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2449 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2452 static int loggedOn = FALSE;
2454 /*-- Game start info cache: --*/
2456 char gs_kind[MSG_SIZ];
2457 static char player1Name[128] = "";
2458 static char player2Name[128] = "";
2459 static char cont_seq[] = "\n\\ ";
2460 static int player1Rating = -1;
2461 static int player2Rating = -1;
2462 /*----------------------------*/
2464 ColorClass curColor = ColorNormal;
2465 int suppressKibitz = 0;
2468 Boolean soughtPending = FALSE;
2469 Boolean seekGraphUp;
2470 #define MAX_SEEK_ADS 200
2472 char *seekAdList[MAX_SEEK_ADS];
2473 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2474 float tcList[MAX_SEEK_ADS];
2475 char colorList[MAX_SEEK_ADS];
2476 int nrOfSeekAds = 0;
2477 int minRating = 1010, maxRating = 2800;
2478 int hMargin = 10, vMargin = 20, h, w;
2479 extern int squareSize, lineGap;
2484 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2485 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2486 if(r < minRating+100 && r >=0 ) r = minRating+100;
2487 if(r > maxRating) r = maxRating;
2488 if(tc < 1.) tc = 1.;
2489 if(tc > 95.) tc = 95.;
2490 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2491 y = ((double)r - minRating)/(maxRating - minRating)
2492 * (h-vMargin-squareSize/8-1) + vMargin;
2493 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2494 if(strstr(seekAdList[i], " u ")) color = 1;
2495 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2496 !strstr(seekAdList[i], "bullet") &&
2497 !strstr(seekAdList[i], "blitz") &&
2498 !strstr(seekAdList[i], "standard") ) color = 2;
2499 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2500 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2504 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2506 char buf[MSG_SIZ], *ext = "";
2507 VariantClass v = StringToVariant(type);
2508 if(strstr(type, "wild")) {
2509 ext = type + 4; // append wild number
2510 if(v == VariantFischeRandom) type = "chess960"; else
2511 if(v == VariantLoadable) type = "setup"; else
2512 type = VariantName(v);
2514 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2515 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2516 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2517 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2518 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2519 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2520 seekNrList[nrOfSeekAds] = nr;
2521 zList[nrOfSeekAds] = 0;
2522 seekAdList[nrOfSeekAds++] = StrSave(buf);
2523 if(plot) PlotSeekAd(nrOfSeekAds-1);
2528 EraseSeekDot (int i)
2530 int x = xList[i], y = yList[i], d=squareSize/4, k;
2531 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2532 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2533 // now replot every dot that overlapped
2534 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2535 int xx = xList[k], yy = yList[k];
2536 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2537 DrawSeekDot(xx, yy, colorList[k]);
2542 RemoveSeekAd (int nr)
2545 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2547 if(seekAdList[i]) free(seekAdList[i]);
2548 seekAdList[i] = seekAdList[--nrOfSeekAds];
2549 seekNrList[i] = seekNrList[nrOfSeekAds];
2550 ratingList[i] = ratingList[nrOfSeekAds];
2551 colorList[i] = colorList[nrOfSeekAds];
2552 tcList[i] = tcList[nrOfSeekAds];
2553 xList[i] = xList[nrOfSeekAds];
2554 yList[i] = yList[nrOfSeekAds];
2555 zList[i] = zList[nrOfSeekAds];
2556 seekAdList[nrOfSeekAds] = NULL;
2562 MatchSoughtLine (char *line)
2564 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2565 int nr, base, inc, u=0; char dummy;
2567 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2568 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2570 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2571 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2572 // match: compact and save the line
2573 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2583 if(!seekGraphUp) return FALSE;
2584 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2585 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2587 DrawSeekBackground(0, 0, w, h);
2588 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2589 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2590 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2591 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2593 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2596 snprintf(buf, MSG_SIZ, "%d", i);
2597 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2600 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2601 for(i=1; i<100; i+=(i<10?1:5)) {
2602 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2603 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2604 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2606 snprintf(buf, MSG_SIZ, "%d", i);
2607 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2610 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2615 SeekGraphClick (ClickType click, int x, int y, int moving)
2617 static int lastDown = 0, displayed = 0, lastSecond;
2618 if(y < 0) return FALSE;
2619 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2620 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2621 if(!seekGraphUp) return FALSE;
2622 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2623 DrawPosition(TRUE, NULL);
2626 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2627 if(click == Release || moving) return FALSE;
2629 soughtPending = TRUE;
2630 SendToICS(ics_prefix);
2631 SendToICS("sought\n"); // should this be "sought all"?
2632 } else { // issue challenge based on clicked ad
2633 int dist = 10000; int i, closest = 0, second = 0;
2634 for(i=0; i<nrOfSeekAds; i++) {
2635 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2636 if(d < dist) { dist = d; closest = i; }
2637 second += (d - zList[i] < 120); // count in-range ads
2638 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2642 second = (second > 1);
2643 if(displayed != closest || second != lastSecond) {
2644 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2645 lastSecond = second; displayed = closest;
2647 if(click == Press) {
2648 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2651 } // on press 'hit', only show info
2652 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2653 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2654 SendToICS(ics_prefix);
2656 return TRUE; // let incoming board of started game pop down the graph
2657 } else if(click == Release) { // release 'miss' is ignored
2658 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2659 if(moving == 2) { // right up-click
2660 nrOfSeekAds = 0; // refresh graph
2661 soughtPending = TRUE;
2662 SendToICS(ics_prefix);
2663 SendToICS("sought\n"); // should this be "sought all"?
2666 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2667 // press miss or release hit 'pop down' seek graph
2668 seekGraphUp = FALSE;
2669 DrawPosition(TRUE, NULL);
2675 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2677 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2678 #define STARTED_NONE 0
2679 #define STARTED_MOVES 1
2680 #define STARTED_BOARD 2
2681 #define STARTED_OBSERVE 3
2682 #define STARTED_HOLDINGS 4
2683 #define STARTED_CHATTER 5
2684 #define STARTED_COMMENT 6
2685 #define STARTED_MOVES_NOHIDE 7
2687 static int started = STARTED_NONE;
2688 static char parse[20000];
2689 static int parse_pos = 0;
2690 static char buf[BUF_SIZE + 1];
2691 static int firstTime = TRUE, intfSet = FALSE;
2692 static ColorClass prevColor = ColorNormal;
2693 static int savingComment = FALSE;
2694 static int cmatch = 0; // continuation sequence match
2701 int backup; /* [DM] For zippy color lines */
2703 char talker[MSG_SIZ]; // [HGM] chat
2706 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2708 if (appData.debugMode) {
2710 fprintf(debugFP, "<ICS: ");
2711 show_bytes(debugFP, data, count);
2712 fprintf(debugFP, "\n");
2716 if (appData.debugMode) { int f = forwardMostMove;
2717 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2718 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2719 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2722 /* If last read ended with a partial line that we couldn't parse,
2723 prepend it to the new read and try again. */
2724 if (leftover_len > 0) {
2725 for (i=0; i<leftover_len; i++)
2726 buf[i] = buf[leftover_start + i];
2729 /* copy new characters into the buffer */
2730 bp = buf + leftover_len;
2731 buf_len=leftover_len;
2732 for (i=0; i<count; i++)
2735 if (data[i] == '\r')
2738 // join lines split by ICS?
2739 if (!appData.noJoin)
2742 Joining just consists of finding matches against the
2743 continuation sequence, and discarding that sequence
2744 if found instead of copying it. So, until a match
2745 fails, there's nothing to do since it might be the
2746 complete sequence, and thus, something we don't want
2749 if (data[i] == cont_seq[cmatch])
2752 if (cmatch == strlen(cont_seq))
2754 cmatch = 0; // complete match. just reset the counter
2757 it's possible for the ICS to not include the space
2758 at the end of the last word, making our [correct]
2759 join operation fuse two separate words. the server
2760 does this when the space occurs at the width setting.
2762 if (!buf_len || buf[buf_len-1] != ' ')
2773 match failed, so we have to copy what matched before
2774 falling through and copying this character. In reality,
2775 this will only ever be just the newline character, but
2776 it doesn't hurt to be precise.
2778 strncpy(bp, cont_seq, cmatch);
2790 buf[buf_len] = NULLCHAR;
2791 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2796 while (i < buf_len) {
2797 /* Deal with part of the TELNET option negotiation
2798 protocol. We refuse to do anything beyond the
2799 defaults, except that we allow the WILL ECHO option,
2800 which ICS uses to turn off password echoing when we are
2801 directly connected to it. We reject this option
2802 if localLineEditing mode is on (always on in xboard)
2803 and we are talking to port 23, which might be a real
2804 telnet server that will try to keep WILL ECHO on permanently.
2806 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2807 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2808 unsigned char option;
2810 switch ((unsigned char) buf[++i]) {
2812 if (appData.debugMode)
2813 fprintf(debugFP, "\n<WILL ");
2814 switch (option = (unsigned char) buf[++i]) {
2816 if (appData.debugMode)
2817 fprintf(debugFP, "ECHO ");
2818 /* Reply only if this is a change, according
2819 to the protocol rules. */
2820 if (remoteEchoOption) break;
2821 if (appData.localLineEditing &&
2822 atoi(appData.icsPort) == TN_PORT) {
2823 TelnetRequest(TN_DONT, TN_ECHO);
2826 TelnetRequest(TN_DO, TN_ECHO);
2827 remoteEchoOption = TRUE;
2831 if (appData.debugMode)
2832 fprintf(debugFP, "%d ", option);
2833 /* Whatever this is, we don't want it. */
2834 TelnetRequest(TN_DONT, option);
2839 if (appData.debugMode)
2840 fprintf(debugFP, "\n<WONT ");
2841 switch (option = (unsigned char) buf[++i]) {
2843 if (appData.debugMode)
2844 fprintf(debugFP, "ECHO ");
2845 /* Reply only if this is a change, according
2846 to the protocol rules. */
2847 if (!remoteEchoOption) break;
2849 TelnetRequest(TN_DONT, TN_ECHO);
2850 remoteEchoOption = FALSE;
2853 if (appData.debugMode)
2854 fprintf(debugFP, "%d ", (unsigned char) option);
2855 /* Whatever this is, it must already be turned
2856 off, because we never agree to turn on
2857 anything non-default, so according to the
2858 protocol rules, we don't reply. */
2863 if (appData.debugMode)
2864 fprintf(debugFP, "\n<DO ");
2865 switch (option = (unsigned char) buf[++i]) {
2867 /* Whatever this is, we refuse to do it. */
2868 if (appData.debugMode)
2869 fprintf(debugFP, "%d ", option);
2870 TelnetRequest(TN_WONT, option);
2875 if (appData.debugMode)
2876 fprintf(debugFP, "\n<DONT ");
2877 switch (option = (unsigned char) buf[++i]) {
2879 if (appData.debugMode)
2880 fprintf(debugFP, "%d ", option);
2881 /* Whatever this is, we are already not doing
2882 it, because we never agree to do anything
2883 non-default, so according to the protocol
2884 rules, we don't reply. */
2889 if (appData.debugMode)
2890 fprintf(debugFP, "\n<IAC ");
2891 /* Doubled IAC; pass it through */
2895 if (appData.debugMode)
2896 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2897 /* Drop all other telnet commands on the floor */
2900 if (oldi > next_out)
2901 SendToPlayer(&buf[next_out], oldi - next_out);
2907 /* OK, this at least will *usually* work */
2908 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2912 if (loggedOn && !intfSet) {
2913 if (ics_type == ICS_ICC) {
2914 snprintf(str, MSG_SIZ,
2915 "/set-quietly interface %s\n/set-quietly style 12\n",
2917 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2918 strcat(str, "/set-2 51 1\n/set seek 1\n");
2919 } else if (ics_type == ICS_CHESSNET) {
2920 snprintf(str, MSG_SIZ, "/style 12\n");
2922 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2923 strcat(str, programVersion);
2924 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2925 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2926 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2928 strcat(str, "$iset nohighlight 1\n");
2930 strcat(str, "$iset lock 1\n$style 12\n");
2933 NotifyFrontendLogin();
2937 if (started == STARTED_COMMENT) {
2938 /* Accumulate characters in comment */
2939 parse[parse_pos++] = buf[i];
2940 if (buf[i] == '\n') {
2941 parse[parse_pos] = NULLCHAR;
2942 if(chattingPartner>=0) {
2944 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2945 OutputChatMessage(chattingPartner, mess);
2946 chattingPartner = -1;
2947 next_out = i+1; // [HGM] suppress printing in ICS window
2949 if(!suppressKibitz) // [HGM] kibitz
2950 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2951 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2952 int nrDigit = 0, nrAlph = 0, j;
2953 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2954 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2955 parse[parse_pos] = NULLCHAR;
2956 // try to be smart: if it does not look like search info, it should go to
2957 // ICS interaction window after all, not to engine-output window.
2958 for(j=0; j<parse_pos; j++) { // count letters and digits
2959 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2960 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2961 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2963 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2964 int depth=0; float score;
2965 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2966 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2967 pvInfoList[forwardMostMove-1].depth = depth;
2968 pvInfoList[forwardMostMove-1].score = 100*score;
2970 OutputKibitz(suppressKibitz, parse);
2973 if(gameMode == IcsObserving) // restore original ICS messages
2974 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2976 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2977 SendToPlayer(tmp, strlen(tmp));
2979 next_out = i+1; // [HGM] suppress printing in ICS window
2981 started = STARTED_NONE;
2983 /* Don't match patterns against characters in comment */
2988 if (started == STARTED_CHATTER) {
2989 if (buf[i] != '\n') {
2990 /* Don't match patterns against characters in chatter */
2994 started = STARTED_NONE;
2995 if(suppressKibitz) next_out = i+1;
2998 /* Kludge to deal with rcmd protocol */
2999 if (firstTime && looking_at(buf, &i, "\001*")) {
3000 DisplayFatalError(&buf[1], 0, 1);
3006 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3009 if (appData.debugMode)
3010 fprintf(debugFP, "ics_type %d\n", ics_type);
3013 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3014 ics_type = ICS_FICS;
3016 if (appData.debugMode)
3017 fprintf(debugFP, "ics_type %d\n", ics_type);
3020 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3021 ics_type = ICS_CHESSNET;
3023 if (appData.debugMode)
3024 fprintf(debugFP, "ics_type %d\n", ics_type);
3029 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3030 looking_at(buf, &i, "Logging you in as \"*\"") ||
3031 looking_at(buf, &i, "will be \"*\""))) {
3032 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3036 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3038 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3039 DisplayIcsInteractionTitle(buf);
3040 have_set_title = TRUE;
3043 /* skip finger notes */
3044 if (started == STARTED_NONE &&
3045 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3046 (buf[i] == '1' && buf[i+1] == '0')) &&
3047 buf[i+2] == ':' && buf[i+3] == ' ') {
3048 started = STARTED_CHATTER;
3054 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3055 if(appData.seekGraph) {
3056 if(soughtPending && MatchSoughtLine(buf+i)) {
3057 i = strstr(buf+i, "rated") - buf;
3058 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3059 next_out = leftover_start = i;
3060 started = STARTED_CHATTER;
3061 suppressKibitz = TRUE;
3064 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3065 && looking_at(buf, &i, "* ads displayed")) {
3066 soughtPending = FALSE;
3071 if(appData.autoRefresh) {
3072 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3073 int s = (ics_type == ICS_ICC); // ICC format differs
3075 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3076 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3077 looking_at(buf, &i, "*% "); // eat prompt
3078 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3079 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3080 next_out = i; // suppress
3083 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3084 char *p = star_match[0];
3086 if(seekGraphUp) RemoveSeekAd(atoi(p));
3087 while(*p && *p++ != ' '); // next
3089 looking_at(buf, &i, "*% "); // eat prompt
3090 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3097 /* skip formula vars */
3098 if (started == STARTED_NONE &&
3099 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3100 started = STARTED_CHATTER;
3105 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3106 if (appData.autoKibitz && started == STARTED_NONE &&
3107 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3108 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3109 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3110 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3111 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3112 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3113 suppressKibitz = TRUE;
3114 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3116 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3117 && (gameMode == IcsPlayingWhite)) ||
3118 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3119 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3120 started = STARTED_CHATTER; // own kibitz we simply discard
3122 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3123 parse_pos = 0; parse[0] = NULLCHAR;
3124 savingComment = TRUE;
3125 suppressKibitz = gameMode != IcsObserving ? 2 :
3126 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3130 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3131 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3132 && atoi(star_match[0])) {
3133 // suppress the acknowledgements of our own autoKibitz
3135 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3136 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3137 SendToPlayer(star_match[0], strlen(star_match[0]));
3138 if(looking_at(buf, &i, "*% ")) // eat prompt
3139 suppressKibitz = FALSE;
3143 } // [HGM] kibitz: end of patch
3145 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3147 // [HGM] chat: intercept tells by users for which we have an open chat window
3149 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3150 looking_at(buf, &i, "* whispers:") ||
3151 looking_at(buf, &i, "* kibitzes:") ||
3152 looking_at(buf, &i, "* shouts:") ||
3153 looking_at(buf, &i, "* c-shouts:") ||
3154 looking_at(buf, &i, "--> * ") ||
3155 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3156 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3157 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3158 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3160 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3161 chattingPartner = -1;
3163 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3164 for(p=0; p<MAX_CHAT; p++) {
3165 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3166 talker[0] = '['; strcat(talker, "] ");
3167 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3168 chattingPartner = p; break;
3171 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3172 for(p=0; p<MAX_CHAT; p++) {
3173 if(!strcmp("kibitzes", chatPartner[p])) {
3174 talker[0] = '['; strcat(talker, "] ");
3175 chattingPartner = p; break;
3178 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3179 for(p=0; p<MAX_CHAT; p++) {
3180 if(!strcmp("whispers", chatPartner[p])) {
3181 talker[0] = '['; strcat(talker, "] ");
3182 chattingPartner = p; break;
3185 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3186 if(buf[i-8] == '-' && buf[i-3] == 't')
3187 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3188 if(!strcmp("c-shouts", chatPartner[p])) {
3189 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3190 chattingPartner = p; break;
3193 if(chattingPartner < 0)
3194 for(p=0; p<MAX_CHAT; p++) {
3195 if(!strcmp("shouts", chatPartner[p])) {
3196 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3197 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3198 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3199 chattingPartner = p; break;
3203 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3204 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3205 talker[0] = 0; Colorize(ColorTell, FALSE);
3206 chattingPartner = p; break;
3208 if(chattingPartner<0) i = oldi; else {
3209 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3210 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3211 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3212 started = STARTED_COMMENT;
3213 parse_pos = 0; parse[0] = NULLCHAR;
3214 savingComment = 3 + chattingPartner; // counts as TRUE
3215 suppressKibitz = TRUE;
3218 } // [HGM] chat: end of patch
3221 if (appData.zippyTalk || appData.zippyPlay) {
3222 /* [DM] Backup address for color zippy lines */
3224 if (loggedOn == TRUE)
3225 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3226 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3228 } // [DM] 'else { ' deleted
3230 /* Regular tells and says */
3231 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3232 looking_at(buf, &i, "* (your partner) tells you: ") ||
3233 looking_at(buf, &i, "* says: ") ||
3234 /* Don't color "message" or "messages" output */
3235 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3236 looking_at(buf, &i, "*. * at *:*: ") ||
3237 looking_at(buf, &i, "--* (*:*): ") ||
3238 /* Message notifications (same color as tells) */
3239 looking_at(buf, &i, "* has left a message ") ||
3240 looking_at(buf, &i, "* just sent you a message:\n") ||
3241 /* Whispers and kibitzes */
3242 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3243 looking_at(buf, &i, "* kibitzes: ") ||
3245 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3247 if (tkind == 1 && strchr(star_match[0], ':')) {
3248 /* Avoid "tells you:" spoofs in channels */
3251 if (star_match[0][0] == NULLCHAR ||
3252 strchr(star_match[0], ' ') ||
3253 (tkind == 3 && strchr(star_match[1], ' '))) {
3254 /* Reject bogus matches */
3257 if (appData.colorize) {
3258 if (oldi > next_out) {
3259 SendToPlayer(&buf[next_out], oldi - next_out);
3264 Colorize(ColorTell, FALSE);
3265 curColor = ColorTell;
3268 Colorize(ColorKibitz, FALSE);
3269 curColor = ColorKibitz;
3272 p = strrchr(star_match[1], '(');
3279 Colorize(ColorChannel1, FALSE);
3280 curColor = ColorChannel1;
3282 Colorize(ColorChannel, FALSE);
3283 curColor = ColorChannel;
3287 curColor = ColorNormal;
3291 if (started == STARTED_NONE && appData.autoComment &&
3292 (gameMode == IcsObserving ||
3293 gameMode == IcsPlayingWhite ||
3294 gameMode == IcsPlayingBlack)) {
3295 parse_pos = i - oldi;
3296 memcpy(parse, &buf[oldi], parse_pos);
3297 parse[parse_pos] = NULLCHAR;
3298 started = STARTED_COMMENT;
3299 savingComment = TRUE;
3301 started = STARTED_CHATTER;
3302 savingComment = FALSE;
3309 if (looking_at(buf, &i, "* s-shouts: ") ||
3310 looking_at(buf, &i, "* c-shouts: ")) {
3311 if (appData.colorize) {
3312 if (oldi > next_out) {
3313 SendToPlayer(&buf[next_out], oldi - next_out);
3316 Colorize(ColorSShout, FALSE);
3317 curColor = ColorSShout;
3320 started = STARTED_CHATTER;
3324 if (looking_at(buf, &i, "--->")) {
3329 if (looking_at(buf, &i, "* shouts: ") ||
3330 looking_at(buf, &i, "--> ")) {
3331 if (appData.colorize) {
3332 if (oldi > next_out) {
3333 SendToPlayer(&buf[next_out], oldi - next_out);
3336 Colorize(ColorShout, FALSE);
3337 curColor = ColorShout;
3340 started = STARTED_CHATTER;
3344 if (looking_at( buf, &i, "Challenge:")) {
3345 if (appData.colorize) {
3346 if (oldi > next_out) {
3347 SendToPlayer(&buf[next_out], oldi - next_out);
3350 Colorize(ColorChallenge, FALSE);
3351 curColor = ColorChallenge;
3357 if (looking_at(buf, &i, "* offers you") ||
3358 looking_at(buf, &i, "* offers to be") ||
3359 looking_at(buf, &i, "* would like to") ||
3360 looking_at(buf, &i, "* requests to") ||
3361 looking_at(buf, &i, "Your opponent offers") ||
3362 looking_at(buf, &i, "Your opponent requests")) {
3364 if (appData.colorize) {
3365 if (oldi > next_out) {
3366 SendToPlayer(&buf[next_out], oldi - next_out);
3369 Colorize(ColorRequest, FALSE);
3370 curColor = ColorRequest;
3375 if (looking_at(buf, &i, "* (*) seeking")) {
3376 if (appData.colorize) {
3377 if (oldi > next_out) {
3378 SendToPlayer(&buf[next_out], oldi - next_out);
3381 Colorize(ColorSeek, FALSE);
3382 curColor = ColorSeek;
3387 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3389 if (looking_at(buf, &i, "\\ ")) {
3390 if (prevColor != ColorNormal) {
3391 if (oldi > next_out) {
3392 SendToPlayer(&buf[next_out], oldi - next_out);
3395 Colorize(prevColor, TRUE);
3396 curColor = prevColor;
3398 if (savingComment) {
3399 parse_pos = i - oldi;
3400 memcpy(parse, &buf[oldi], parse_pos);
3401 parse[parse_pos] = NULLCHAR;
3402 started = STARTED_COMMENT;
3403 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3404 chattingPartner = savingComment - 3; // kludge to remember the box
3406 started = STARTED_CHATTER;
3411 if (looking_at(buf, &i, "Black Strength :") ||
3412 looking_at(buf, &i, "<<< style 10 board >>>") ||
3413 looking_at(buf, &i, "<10>") ||
3414 looking_at(buf, &i, "#@#")) {
3415 /* Wrong board style */
3417 SendToICS(ics_prefix);
3418 SendToICS("set style 12\n");
3419 SendToICS(ics_prefix);
3420 SendToICS("refresh\n");
3424 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3426 have_sent_ICS_logon = 1;
3430 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3431 (looking_at(buf, &i, "\n<12> ") ||
3432 looking_at(buf, &i, "<12> "))) {
3434 if (oldi > next_out) {
3435 SendToPlayer(&buf[next_out], oldi - next_out);
3438 started = STARTED_BOARD;
3443 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3444 looking_at(buf, &i, "<b1> ")) {
3445 if (oldi > next_out) {
3446 SendToPlayer(&buf[next_out], oldi - next_out);
3449 started = STARTED_HOLDINGS;
3454 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3456 /* Header for a move list -- first line */
3458 switch (ics_getting_history) {
3462 case BeginningOfGame:
3463 /* User typed "moves" or "oldmoves" while we
3464 were idle. Pretend we asked for these
3465 moves and soak them up so user can step
3466 through them and/or save them.
3469 gameMode = IcsObserving;
3472 ics_getting_history = H_GOT_UNREQ_HEADER;
3474 case EditGame: /*?*/
3475 case EditPosition: /*?*/
3476 /* Should above feature work in these modes too? */
3477 /* For now it doesn't */
3478 ics_getting_history = H_GOT_UNWANTED_HEADER;
3481 ics_getting_history = H_GOT_UNWANTED_HEADER;
3486 /* Is this the right one? */
3487 if (gameInfo.white && gameInfo.black &&
3488 strcmp(gameInfo.white, star_match[0]) == 0 &&
3489 strcmp(gameInfo.black, star_match[2]) == 0) {
3491 ics_getting_history = H_GOT_REQ_HEADER;
3494 case H_GOT_REQ_HEADER:
3495 case H_GOT_UNREQ_HEADER:
3496 case H_GOT_UNWANTED_HEADER:
3497 case H_GETTING_MOVES:
3498 /* Should not happen */
3499 DisplayError(_("Error gathering move list: two headers"), 0);
3500 ics_getting_history = H_FALSE;
3504 /* Save player ratings into gameInfo if needed */
3505 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3506 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3507 (gameInfo.whiteRating == -1 ||
3508 gameInfo.blackRating == -1)) {
3510 gameInfo.whiteRating = string_to_rating(star_match[1]);
3511 gameInfo.blackRating = string_to_rating(star_match[3]);
3512 if (appData.debugMode)
3513 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3514 gameInfo.whiteRating, gameInfo.blackRating);
3519 if (looking_at(buf, &i,
3520 "* * match, initial time: * minute*, increment: * second")) {
3521 /* Header for a move list -- second line */
3522 /* Initial board will follow if this is a wild game */
3523 if (gameInfo.event != NULL) free(gameInfo.event);
3524 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3525 gameInfo.event = StrSave(str);
3526 /* [HGM] we switched variant. Translate boards if needed. */
3527 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3531 if (looking_at(buf, &i, "Move ")) {
3532 /* Beginning of a move list */
3533 switch (ics_getting_history) {
3535 /* Normally should not happen */
3536 /* Maybe user hit reset while we were parsing */
3539 /* Happens if we are ignoring a move list that is not
3540 * the one we just requested. Common if the user
3541 * tries to observe two games without turning off
3544 case H_GETTING_MOVES:
3545 /* Should not happen */
3546 DisplayError(_("Error gathering move list: nested"), 0);
3547 ics_getting_history = H_FALSE;
3549 case H_GOT_REQ_HEADER:
3550 ics_getting_history = H_GETTING_MOVES;
3551 started = STARTED_MOVES;
3553 if (oldi > next_out) {
3554 SendToPlayer(&buf[next_out], oldi - next_out);
3557 case H_GOT_UNREQ_HEADER:
3558 ics_getting_history = H_GETTING_MOVES;
3559 started = STARTED_MOVES_NOHIDE;
3562 case H_GOT_UNWANTED_HEADER:
3563 ics_getting_history = H_FALSE;
3569 if (looking_at(buf, &i, "% ") ||
3570 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3571 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3572 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3573 soughtPending = FALSE;
3577 if(suppressKibitz) next_out = i;
3578 savingComment = FALSE;
3582 case STARTED_MOVES_NOHIDE:
3583 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3584 parse[parse_pos + i - oldi] = NULLCHAR;
3585 ParseGameHistory(parse);
3587 if (appData.zippyPlay && first.initDone) {
3588 FeedMovesToProgram(&first, forwardMostMove);
3589 if (gameMode == IcsPlayingWhite) {
3590 if (WhiteOnMove(forwardMostMove)) {
3591 if (first.sendTime) {
3592 if (first.useColors) {
3593 SendToProgram("black\n", &first);
3595 SendTimeRemaining(&first, TRUE);
3597 if (first.useColors) {
3598 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3600 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3601 first.maybeThinking = TRUE;
3603 if (first.usePlayother) {
3604 if (first.sendTime) {
3605 SendTimeRemaining(&first, TRUE);
3607 SendToProgram("playother\n", &first);
3613 } else if (gameMode == IcsPlayingBlack) {
3614 if (!WhiteOnMove(forwardMostMove)) {
3615 if (first.sendTime) {
3616 if (first.useColors) {
3617 SendToProgram("white\n", &first);
3619 SendTimeRemaining(&first, FALSE);
3621 if (first.useColors) {
3622 SendToProgram("black\n", &first);
3624 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3625 first.maybeThinking = TRUE;
3627 if (first.usePlayother) {
3628 if (first.sendTime) {
3629 SendTimeRemaining(&first, FALSE);
3631 SendToProgram("playother\n", &first);
3640 if (gameMode == IcsObserving && ics_gamenum == -1) {
3641 /* Moves came from oldmoves or moves command
3642 while we weren't doing anything else.
3644 currentMove = forwardMostMove;
3645 ClearHighlights();/*!!could figure this out*/
3646 flipView = appData.flipView;
3647 DrawPosition(TRUE, boards[currentMove]);
3648 DisplayBothClocks();
3649 snprintf(str, MSG_SIZ, "%s %s %s",
3650 gameInfo.white, _("vs."), gameInfo.black);
3654 /* Moves were history of an active game */
3655 if (gameInfo.resultDetails != NULL) {
3656 free(gameInfo.resultDetails);
3657 gameInfo.resultDetails = NULL;
3660 HistorySet(parseList, backwardMostMove,
3661 forwardMostMove, currentMove-1);
3662 DisplayMove(currentMove - 1);
3663 if (started == STARTED_MOVES) next_out = i;
3664 started = STARTED_NONE;
3665 ics_getting_history = H_FALSE;
3668 case STARTED_OBSERVE:
3669 started = STARTED_NONE;
3670 SendToICS(ics_prefix);
3671 SendToICS("refresh\n");
3677 if(bookHit) { // [HGM] book: simulate book reply
3678 static char bookMove[MSG_SIZ]; // a bit generous?
3680 programStats.nodes = programStats.depth = programStats.time =
3681 programStats.score = programStats.got_only_move = 0;
3682 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3684 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3685 strcat(bookMove, bookHit);
3686 HandleMachineMove(bookMove, &first);
3691 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3692 started == STARTED_HOLDINGS ||
3693 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3694 /* Accumulate characters in move list or board */
3695 parse[parse_pos++] = buf[i];
3698 /* Start of game messages. Mostly we detect start of game
3699 when the first board image arrives. On some versions
3700 of the ICS, though, we need to do a "refresh" after starting
3701 to observe in order to get the current board right away. */
3702 if (looking_at(buf, &i, "Adding game * to observation list")) {
3703 started = STARTED_OBSERVE;
3707 /* Handle auto-observe */
3708 if (appData.autoObserve &&
3709 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3710 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3712 /* Choose the player that was highlighted, if any. */
3713 if (star_match[0][0] == '\033' ||
3714 star_match[1][0] != '\033') {
3715 player = star_match[0];
3717 player = star_match[2];
3719 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3720 ics_prefix, StripHighlightAndTitle(player));
3723 /* Save ratings from notify string */
3724 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3725 player1Rating = string_to_rating(star_match[1]);
3726 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3727 player2Rating = string_to_rating(star_match[3]);
3729 if (appData.debugMode)
3731 "Ratings from 'Game notification:' %s %d, %s %d\n",
3732 player1Name, player1Rating,
3733 player2Name, player2Rating);
3738 /* Deal with automatic examine mode after a game,
3739 and with IcsObserving -> IcsExamining transition */
3740 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3741 looking_at(buf, &i, "has made you an examiner of game *")) {
3743 int gamenum = atoi(star_match[0]);
3744 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3745 gamenum == ics_gamenum) {
3746 /* We were already playing or observing this game;
3747 no need to refetch history */
3748 gameMode = IcsExamining;
3750 pauseExamForwardMostMove = forwardMostMove;
3751 } else if (currentMove < forwardMostMove) {
3752 ForwardInner(forwardMostMove);
3755 /* I don't think this case really can happen */
3756 SendToICS(ics_prefix);
3757 SendToICS("refresh\n");
3762 /* Error messages */
3763 // if (ics_user_moved) {
3764 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3765 if (looking_at(buf, &i, "Illegal move") ||
3766 looking_at(buf, &i, "Not a legal move") ||
3767 looking_at(buf, &i, "Your king is in check") ||
3768 looking_at(buf, &i, "It isn't your turn") ||
3769 looking_at(buf, &i, "It is not your move")) {
3771 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3772 currentMove = forwardMostMove-1;
3773 DisplayMove(currentMove - 1); /* before DMError */
3774 DrawPosition(FALSE, boards[currentMove]);
3775 SwitchClocks(forwardMostMove-1); // [HGM] race
3776 DisplayBothClocks();
3778 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3784 if (looking_at(buf, &i, "still have time") ||
3785 looking_at(buf, &i, "not out of time") ||
3786 looking_at(buf, &i, "either player is out of time") ||
3787 looking_at(buf, &i, "has timeseal; checking")) {
3788 /* We must have called his flag a little too soon */
3789 whiteFlag = blackFlag = FALSE;
3793 if (looking_at(buf, &i, "added * seconds to") ||
3794 looking_at(buf, &i, "seconds were added to")) {
3795 /* Update the clocks */
3796 SendToICS(ics_prefix);
3797 SendToICS("refresh\n");
3801 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3802 ics_clock_paused = TRUE;
3807 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3808 ics_clock_paused = FALSE;
3813 /* Grab player ratings from the Creating: message.
3814 Note we have to check for the special case when
3815 the ICS inserts things like [white] or [black]. */
3816 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3817 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3819 0 player 1 name (not necessarily white)
3821 2 empty, white, or black (IGNORED)
3822 3 player 2 name (not necessarily black)
3825 The names/ratings are sorted out when the game
3826 actually starts (below).
3828 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3829 player1Rating = string_to_rating(star_match[1]);
3830 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3831 player2Rating = string_to_rating(star_match[4]);
3833 if (appData.debugMode)
3835 "Ratings from 'Creating:' %s %d, %s %d\n",
3836 player1Name, player1Rating,
3837 player2Name, player2Rating);
3842 /* Improved generic start/end-of-game messages */
3843 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3844 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3845 /* If tkind == 0: */
3846 /* star_match[0] is the game number */
3847 /* [1] is the white player's name */
3848 /* [2] is the black player's name */
3849 /* For end-of-game: */
3850 /* [3] is the reason for the game end */
3851 /* [4] is a PGN end game-token, preceded by " " */
3852 /* For start-of-game: */
3853 /* [3] begins with "Creating" or "Continuing" */
3854 /* [4] is " *" or empty (don't care). */
3855 int gamenum = atoi(star_match[0]);
3856 char *whitename, *blackname, *why, *endtoken;
3857 ChessMove endtype = EndOfFile;
3860 whitename = star_match[1];
3861 blackname = star_match[2];
3862 why = star_match[3];
3863 endtoken = star_match[4];
3865 whitename = star_match[1];
3866 blackname = star_match[3];
3867 why = star_match[5];
3868 endtoken = star_match[6];
3871 /* Game start messages */
3872 if (strncmp(why, "Creating ", 9) == 0 ||
3873 strncmp(why, "Continuing ", 11) == 0) {
3874 gs_gamenum = gamenum;
3875 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3876 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3877 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3879 if (appData.zippyPlay) {
3880 ZippyGameStart(whitename, blackname);
3883 partnerBoardValid = FALSE; // [HGM] bughouse
3887 /* Game end messages */
3888 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3889 ics_gamenum != gamenum) {
3892 while (endtoken[0] == ' ') endtoken++;
3893 switch (endtoken[0]) {
3896 endtype = GameUnfinished;
3899 endtype = BlackWins;
3902 if (endtoken[1] == '/')
3903 endtype = GameIsDrawn;
3905 endtype = WhiteWins;
3908 GameEnds(endtype, why, GE_ICS);
3910 if (appData.zippyPlay && first.initDone) {
3911 ZippyGameEnd(endtype, why);
3912 if (first.pr == NoProc) {
3913 /* Start the next process early so that we'll
3914 be ready for the next challenge */
3915 StartChessProgram(&first);
3917 /* Send "new" early, in case this command takes
3918 a long time to finish, so that we'll be ready
3919 for the next challenge. */
3920 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3924 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3928 if (looking_at(buf, &i, "Removing game * from observation") ||
3929 looking_at(buf, &i, "no longer observing game *") ||
3930 looking_at(buf, &i, "Game * (*) has no examiners")) {
3931 if (gameMode == IcsObserving &&
3932 atoi(star_match[0]) == ics_gamenum)
3934 /* icsEngineAnalyze */
3935 if (appData.icsEngineAnalyze) {
3942 ics_user_moved = FALSE;
3947 if (looking_at(buf, &i, "no longer examining game *")) {
3948 if (gameMode == IcsExamining &&
3949 atoi(star_match[0]) == ics_gamenum)
3953 ics_user_moved = FALSE;
3958 /* Advance leftover_start past any newlines we find,
3959 so only partial lines can get reparsed */
3960 if (looking_at(buf, &i, "\n")) {
3961 prevColor = curColor;
3962 if (curColor != ColorNormal) {
3963 if (oldi > next_out) {
3964 SendToPlayer(&buf[next_out], oldi - next_out);
3967 Colorize(ColorNormal, FALSE);
3968 curColor = ColorNormal;
3970 if (started == STARTED_BOARD) {
3971 started = STARTED_NONE;
3972 parse[parse_pos] = NULLCHAR;
3973 ParseBoard12(parse);
3976 /* Send premove here */
3977 if (appData.premove) {
3979 if (currentMove == 0 &&
3980 gameMode == IcsPlayingWhite &&
3981 appData.premoveWhite) {
3982 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3983 if (appData.debugMode)
3984 fprintf(debugFP, "Sending premove:\n");
3986 } else if (currentMove == 1 &&
3987 gameMode == IcsPlayingBlack &&
3988 appData.premoveBlack) {
3989 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3990 if (appData.debugMode)
3991 fprintf(debugFP, "Sending premove:\n");
3993 } else if (gotPremove) {
3995 ClearPremoveHighlights();
3996 if (appData.debugMode)
3997 fprintf(debugFP, "Sending premove:\n");
3998 UserMoveEvent(premoveFromX, premoveFromY,
3999 premoveToX, premoveToY,
4004 /* Usually suppress following prompt */
4005 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4006 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4007 if (looking_at(buf, &i, "*% ")) {
4008 savingComment = FALSE;
4013 } else if (started == STARTED_HOLDINGS) {
4015 char new_piece[MSG_SIZ];
4016 started = STARTED_NONE;
4017 parse[parse_pos] = NULLCHAR;
4018 if (appData.debugMode)
4019 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4020 parse, currentMove);
4021 if (sscanf(parse, " game %d", &gamenum) == 1) {
4022 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4023 if (gameInfo.variant == VariantNormal) {
4024 /* [HGM] We seem to switch variant during a game!
4025 * Presumably no holdings were displayed, so we have
4026 * to move the position two files to the right to
4027 * create room for them!
4029 VariantClass newVariant;
4030 switch(gameInfo.boardWidth) { // base guess on board width
4031 case 9: newVariant = VariantShogi; break;
4032 case 10: newVariant = VariantGreat; break;
4033 default: newVariant = VariantCrazyhouse; break;
4035 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4036 /* Get a move list just to see the header, which
4037 will tell us whether this is really bug or zh */
4038 if (ics_getting_history == H_FALSE) {
4039 ics_getting_history = H_REQUESTED;
4040 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4044 new_piece[0] = NULLCHAR;
4045 sscanf(parse, "game %d white [%s black [%s <- %s",
4046 &gamenum, white_holding, black_holding,
4048 white_holding[strlen(white_holding)-1] = NULLCHAR;
4049 black_holding[strlen(black_holding)-1] = NULLCHAR;
4050 /* [HGM] copy holdings to board holdings area */
4051 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4052 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4053 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4055 if (appData.zippyPlay && first.initDone) {
4056 ZippyHoldings(white_holding, black_holding,
4060 if (tinyLayout || smallLayout) {
4061 char wh[16], bh[16];
4062 PackHolding(wh, white_holding);
4063 PackHolding(bh, black_holding);
4064 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4065 gameInfo.white, gameInfo.black);
4067 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4068 gameInfo.white, white_holding, _("vs."),
4069 gameInfo.black, black_holding);
4071 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4072 DrawPosition(FALSE, boards[currentMove]);
4074 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4075 sscanf(parse, "game %d white [%s black [%s <- %s",
4076 &gamenum, white_holding, black_holding,
4078 white_holding[strlen(white_holding)-1] = NULLCHAR;
4079 black_holding[strlen(black_holding)-1] = NULLCHAR;
4080 /* [HGM] copy holdings to partner-board holdings area */
4081 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4082 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4083 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4084 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4085 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4088 /* Suppress following prompt */
4089 if (looking_at(buf, &i, "*% ")) {
4090 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4091 savingComment = FALSE;
4099 i++; /* skip unparsed character and loop back */
4102 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4103 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4104 // SendToPlayer(&buf[next_out], i - next_out);
4105 started != STARTED_HOLDINGS && leftover_start > next_out) {
4106 SendToPlayer(&buf[next_out], leftover_start - next_out);
4110 leftover_len = buf_len - leftover_start;
4111 /* if buffer ends with something we couldn't parse,
4112 reparse it after appending the next read */
4114 } else if (count == 0) {
4115 RemoveInputSource(isr);
4116 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4118 DisplayFatalError(_("Error reading from ICS"), error, 1);
4123 /* Board style 12 looks like this:
4125 <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
4127 * The "<12> " is stripped before it gets to this routine. The two
4128 * trailing 0's (flip state and clock ticking) are later addition, and
4129 * some chess servers may not have them, or may have only the first.
4130 * Additional trailing fields may be added in the future.
4133 #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"
4135 #define RELATION_OBSERVING_PLAYED 0
4136 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4137 #define RELATION_PLAYING_MYMOVE 1
4138 #define RELATION_PLAYING_NOTMYMOVE -1
4139 #define RELATION_EXAMINING 2
4140 #define RELATION_ISOLATED_BOARD -3
4141 #define RELATION_STARTING_POSITION -4 /* FICS only */
4144 ParseBoard12 (char *string)
4146 GameMode newGameMode;
4147 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4148 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4149 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4150 char to_play, board_chars[200];
4151 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4152 char black[32], white[32];
4154 int prevMove = currentMove;
4157 int fromX, fromY, toX, toY;
4159 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4160 char *bookHit = NULL; // [HGM] book
4161 Boolean weird = FALSE, reqFlag = FALSE;
4163 fromX = fromY = toX = toY = -1;
4167 if (appData.debugMode)
4168 fprintf(debugFP, _("Parsing board: %s\n"), string);
4170 move_str[0] = NULLCHAR;
4171 elapsed_time[0] = NULLCHAR;
4172 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4174 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4175 if(string[i] == ' ') { ranks++; files = 0; }
4177 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4180 for(j = 0; j <i; j++) board_chars[j] = string[j];
4181 board_chars[i] = '\0';
4184 n = sscanf(string, PATTERN, &to_play, &double_push,
4185 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4186 &gamenum, white, black, &relation, &basetime, &increment,
4187 &white_stren, &black_stren, &white_time, &black_time,
4188 &moveNum, str, elapsed_time, move_str, &ics_flip,
4192 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4193 DisplayError(str, 0);
4197 /* Convert the move number to internal form */
4198 moveNum = (moveNum - 1) * 2;
4199 if (to_play == 'B') moveNum++;
4200 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4201 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4207 case RELATION_OBSERVING_PLAYED:
4208 case RELATION_OBSERVING_STATIC:
4209 if (gamenum == -1) {
4210 /* Old ICC buglet */
4211 relation = RELATION_OBSERVING_STATIC;
4213 newGameMode = IcsObserving;
4215 case RELATION_PLAYING_MYMOVE:
4216 case RELATION_PLAYING_NOTMYMOVE:
4218 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4219 IcsPlayingWhite : IcsPlayingBlack;
4220 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4222 case RELATION_EXAMINING:
4223 newGameMode = IcsExamining;
4225 case RELATION_ISOLATED_BOARD:
4227 /* Just display this board. If user was doing something else,
4228 we will forget about it until the next board comes. */
4229 newGameMode = IcsIdle;
4231 case RELATION_STARTING_POSITION:
4232 newGameMode = gameMode;
4236 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4237 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4238 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4240 for (k = 0; k < ranks; k++) {
4241 for (j = 0; j < files; j++)
4242 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4243 if(gameInfo.holdingsWidth > 1) {
4244 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4245 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4248 CopyBoard(partnerBoard, board);
4249 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4250 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4251 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4252 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4253 if(toSqr = strchr(str, '-')) {
4254 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4255 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4256 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4257 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4258 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4259 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4260 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4261 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4262 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4263 DisplayMessage(partnerStatus, "");
4264 partnerBoardValid = TRUE;
4268 /* Modify behavior for initial board display on move listing
4271 switch (ics_getting_history) {
4275 case H_GOT_REQ_HEADER:
4276 case H_GOT_UNREQ_HEADER:
4277 /* This is the initial position of the current game */
4278 gamenum = ics_gamenum;
4279 moveNum = 0; /* old ICS bug workaround */
4280 if (to_play == 'B') {
4281 startedFromSetupPosition = TRUE;
4282 blackPlaysFirst = TRUE;
4284 if (forwardMostMove == 0) forwardMostMove = 1;
4285 if (backwardMostMove == 0) backwardMostMove = 1;
4286 if (currentMove == 0) currentMove = 1;
4288 newGameMode = gameMode;
4289 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4291 case H_GOT_UNWANTED_HEADER:
4292 /* This is an initial board that we don't want */
4294 case H_GETTING_MOVES:
4295 /* Should not happen */
4296 DisplayError(_("Error gathering move list: extra board"), 0);
4297 ics_getting_history = H_FALSE;
4301 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4302 weird && (int)gameInfo.variant < (int)VariantShogi) {
4303 /* [HGM] We seem to have switched variant unexpectedly
4304 * Try to guess new variant from board size
4306 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4307 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4308 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4309 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4310 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4311 if(!weird) newVariant = VariantNormal;
4312 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4313 /* Get a move list just to see the header, which
4314 will tell us whether this is really bug or zh */
4315 if (ics_getting_history == H_FALSE) {
4316 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4317 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4322 /* Take action if this is the first board of a new game, or of a
4323 different game than is currently being displayed. */
4324 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4325 relation == RELATION_ISOLATED_BOARD) {
4327 /* Forget the old game and get the history (if any) of the new one */
4328 if (gameMode != BeginningOfGame) {
4332 if (appData.autoRaiseBoard) BoardToTop();
4334 if (gamenum == -1) {
4335 newGameMode = IcsIdle;
4336 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4337 appData.getMoveList && !reqFlag) {
4338 /* Need to get game history */
4339 ics_getting_history = H_REQUESTED;
4340 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4344 /* Initially flip the board to have black on the bottom if playing
4345 black or if the ICS flip flag is set, but let the user change
4346 it with the Flip View button. */
4347 flipView = appData.autoFlipView ?
4348 (newGameMode == IcsPlayingBlack) || ics_flip :
4351 /* Done with values from previous mode; copy in new ones */
4352 gameMode = newGameMode;
4354 ics_gamenum = gamenum;
4355 if (gamenum == gs_gamenum) {
4356 int klen = strlen(gs_kind);
4357 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4358 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4359 gameInfo.event = StrSave(str);
4361 gameInfo.event = StrSave("ICS game");
4363 gameInfo.site = StrSave(appData.icsHost);
4364 gameInfo.date = PGNDate();
4365 gameInfo.round = StrSave("-");
4366 gameInfo.white = StrSave(white);
4367 gameInfo.black = StrSave(black);
4368 timeControl = basetime * 60 * 1000;
4370 timeIncrement = increment * 1000;
4371 movesPerSession = 0;
4372 gameInfo.timeControl = TimeControlTagValue();
4373 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4374 if (appData.debugMode) {
4375 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4376 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4377 setbuf(debugFP, NULL);
4380 gameInfo.outOfBook = NULL;
4382 /* Do we have the ratings? */
4383 if (strcmp(player1Name, white) == 0 &&
4384 strcmp(player2Name, black) == 0) {
4385 if (appData.debugMode)
4386 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4387 player1Rating, player2Rating);
4388 gameInfo.whiteRating = player1Rating;
4389 gameInfo.blackRating = player2Rating;
4390 } else if (strcmp(player2Name, white) == 0 &&
4391 strcmp(player1Name, black) == 0) {
4392 if (appData.debugMode)
4393 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4394 player2Rating, player1Rating);
4395 gameInfo.whiteRating = player2Rating;
4396 gameInfo.blackRating = player1Rating;
4398 player1Name[0] = player2Name[0] = NULLCHAR;
4400 /* Silence shouts if requested */
4401 if (appData.quietPlay &&
4402 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4403 SendToICS(ics_prefix);
4404 SendToICS("set shout 0\n");
4408 /* Deal with midgame name changes */
4410 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4411 if (gameInfo.white) free(gameInfo.white);
4412 gameInfo.white = StrSave(white);
4414 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4415 if (gameInfo.black) free(gameInfo.black);
4416 gameInfo.black = StrSave(black);
4420 /* Throw away game result if anything actually changes in examine mode */
4421 if (gameMode == IcsExamining && !newGame) {
4422 gameInfo.result = GameUnfinished;
4423 if (gameInfo.resultDetails != NULL) {
4424 free(gameInfo.resultDetails);
4425 gameInfo.resultDetails = NULL;
4429 /* In pausing && IcsExamining mode, we ignore boards coming
4430 in if they are in a different variation than we are. */
4431 if (pauseExamInvalid) return;
4432 if (pausing && gameMode == IcsExamining) {
4433 if (moveNum <= pauseExamForwardMostMove) {
4434 pauseExamInvalid = TRUE;
4435 forwardMostMove = pauseExamForwardMostMove;
4440 if (appData.debugMode) {
4441 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4443 /* Parse the board */
4444 for (k = 0; k < ranks; k++) {
4445 for (j = 0; j < files; j++)
4446 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4447 if(gameInfo.holdingsWidth > 1) {
4448 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4449 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4452 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4453 board[5][BOARD_RGHT+1] = WhiteAngel;
4454 board[6][BOARD_RGHT+1] = WhiteMarshall;
4455 board[1][0] = BlackMarshall;
4456 board[2][0] = BlackAngel;
4457 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4459 CopyBoard(boards[moveNum], board);
4460 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4462 startedFromSetupPosition =
4463 !CompareBoards(board, initialPosition);
4464 if(startedFromSetupPosition)
4465 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4468 /* [HGM] Set castling rights. Take the outermost Rooks,
4469 to make it also work for FRC opening positions. Note that board12
4470 is really defective for later FRC positions, as it has no way to
4471 indicate which Rook can castle if they are on the same side of King.
4472 For the initial position we grant rights to the outermost Rooks,
4473 and remember thos rights, and we then copy them on positions
4474 later in an FRC game. This means WB might not recognize castlings with
4475 Rooks that have moved back to their original position as illegal,
4476 but in ICS mode that is not its job anyway.
4478 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4479 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4481 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4482 if(board[0][i] == WhiteRook) j = i;
4483 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4484 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4485 if(board[0][i] == WhiteRook) j = i;
4486 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4487 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4488 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4489 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4490 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4491 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4492 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4494 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4495 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4496 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4497 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4498 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4499 if(board[BOARD_HEIGHT-1][k] == bKing)
4500 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4501 if(gameInfo.variant == VariantTwoKings) {
4502 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4503 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4504 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4507 r = boards[moveNum][CASTLING][0] = initialRights[0];
4508 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4509 r = boards[moveNum][CASTLING][1] = initialRights[1];
4510 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4511 r = boards[moveNum][CASTLING][3] = initialRights[3];
4512 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4513 r = boards[moveNum][CASTLING][4] = initialRights[4];
4514 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4515 /* wildcastle kludge: always assume King has rights */
4516 r = boards[moveNum][CASTLING][2] = initialRights[2];
4517 r = boards[moveNum][CASTLING][5] = initialRights[5];
4519 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4520 boards[moveNum][EP_STATUS] = EP_NONE;
4521 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4522 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4523 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4526 if (ics_getting_history == H_GOT_REQ_HEADER ||
4527 ics_getting_history == H_GOT_UNREQ_HEADER) {
4528 /* This was an initial position from a move list, not
4529 the current position */
4533 /* Update currentMove and known move number limits */
4534 newMove = newGame || moveNum > forwardMostMove;
4537 forwardMostMove = backwardMostMove = currentMove = moveNum;
4538 if (gameMode == IcsExamining && moveNum == 0) {
4539 /* Workaround for ICS limitation: we are not told the wild
4540 type when starting to examine a game. But if we ask for
4541 the move list, the move list header will tell us */
4542 ics_getting_history = H_REQUESTED;
4543 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4546 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4547 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4549 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4550 /* [HGM] applied this also to an engine that is silently watching */
4551 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4552 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4553 gameInfo.variant == currentlyInitializedVariant) {
4554 takeback = forwardMostMove - moveNum;
4555 for (i = 0; i < takeback; i++) {
4556 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4557 SendToProgram("undo\n", &first);
4562 forwardMostMove = moveNum;
4563 if (!pausing || currentMove > forwardMostMove)
4564 currentMove = forwardMostMove;
4566 /* New part of history that is not contiguous with old part */
4567 if (pausing && gameMode == IcsExamining) {
4568 pauseExamInvalid = TRUE;
4569 forwardMostMove = pauseExamForwardMostMove;
4572 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4574 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4575 // [HGM] when we will receive the move list we now request, it will be
4576 // fed to the engine from the first move on. So if the engine is not
4577 // in the initial position now, bring it there.
4578 InitChessProgram(&first, 0);
4581 ics_getting_history = H_REQUESTED;
4582 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4585 forwardMostMove = backwardMostMove = currentMove = moveNum;
4588 /* Update the clocks */
4589 if (strchr(elapsed_time, '.')) {
4591 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4592 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4594 /* Time is in seconds */
4595 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4596 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4601 if (appData.zippyPlay && newGame &&
4602 gameMode != IcsObserving && gameMode != IcsIdle &&
4603 gameMode != IcsExamining)
4604 ZippyFirstBoard(moveNum, basetime, increment);
4607 /* Put the move on the move list, first converting
4608 to canonical algebraic form. */
4610 if (appData.debugMode) {
4611 if (appData.debugMode) { int f = forwardMostMove;
4612 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4613 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4614 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4616 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4617 fprintf(debugFP, "moveNum = %d\n", moveNum);
4618 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4619 setbuf(debugFP, NULL);
4621 if (moveNum <= backwardMostMove) {
4622 /* We don't know what the board looked like before
4624 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4625 strcat(parseList[moveNum - 1], " ");
4626 strcat(parseList[moveNum - 1], elapsed_time);
4627 moveList[moveNum - 1][0] = NULLCHAR;
4628 } else if (strcmp(move_str, "none") == 0) {
4629 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4630 /* Again, we don't know what the board looked like;
4631 this is really the start of the game. */
4632 parseList[moveNum - 1][0] = NULLCHAR;
4633 moveList[moveNum - 1][0] = NULLCHAR;
4634 backwardMostMove = moveNum;
4635 startedFromSetupPosition = TRUE;
4636 fromX = fromY = toX = toY = -1;
4638 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4639 // So we parse the long-algebraic move string in stead of the SAN move
4640 int valid; char buf[MSG_SIZ], *prom;
4642 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4643 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4644 // str looks something like "Q/a1-a2"; kill the slash
4646 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4647 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4648 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4649 strcat(buf, prom); // long move lacks promo specification!
4650 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4651 if(appData.debugMode)
4652 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4653 safeStrCpy(move_str, buf, MSG_SIZ);
4655 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4656 &fromX, &fromY, &toX, &toY, &promoChar)
4657 || ParseOneMove(buf, moveNum - 1, &moveType,
4658 &fromX, &fromY, &toX, &toY, &promoChar);
4659 // end of long SAN patch
4661 (void) CoordsToAlgebraic(boards[moveNum - 1],
4662 PosFlags(moveNum - 1),
4663 fromY, fromX, toY, toX, promoChar,
4664 parseList[moveNum-1]);
4665 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4671 if(gameInfo.variant != VariantShogi)
4672 strcat(parseList[moveNum - 1], "+");
4675 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4676 strcat(parseList[moveNum - 1], "#");
4679 strcat(parseList[moveNum - 1], " ");
4680 strcat(parseList[moveNum - 1], elapsed_time);
4681 /* currentMoveString is set as a side-effect of ParseOneMove */
4682 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4683 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4684 strcat(moveList[moveNum - 1], "\n");
4686 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4687 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4688 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4689 ChessSquare old, new = boards[moveNum][k][j];
4690 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4691 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4692 if(old == new) continue;
4693 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4694 else if(new == WhiteWazir || new == BlackWazir) {
4695 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4696 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4697 else boards[moveNum][k][j] = old; // preserve type of Gold
4698 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4699 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4702 /* Move from ICS was illegal!? Punt. */
4703 if (appData.debugMode) {
4704 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4705 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4707 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4708 strcat(parseList[moveNum - 1], " ");
4709 strcat(parseList[moveNum - 1], elapsed_time);
4710 moveList[moveNum - 1][0] = NULLCHAR;
4711 fromX = fromY = toX = toY = -1;
4714 if (appData.debugMode) {
4715 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4716 setbuf(debugFP, NULL);
4720 /* Send move to chess program (BEFORE animating it). */
4721 if (appData.zippyPlay && !newGame && newMove &&
4722 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4724 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4725 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4726 if (moveList[moveNum - 1][0] == NULLCHAR) {
4727 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4729 DisplayError(str, 0);
4731 if (first.sendTime) {
4732 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4734 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4735 if (firstMove && !bookHit) {
4737 if (first.useColors) {
4738 SendToProgram(gameMode == IcsPlayingWhite ?
4740 "black\ngo\n", &first);
4742 SendToProgram("go\n", &first);
4744 first.maybeThinking = TRUE;
4747 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4748 if (moveList[moveNum - 1][0] == NULLCHAR) {
4749 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4750 DisplayError(str, 0);
4752 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4753 SendMoveToProgram(moveNum - 1, &first);
4760 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4761 /* If move comes from a remote source, animate it. If it
4762 isn't remote, it will have already been animated. */
4763 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4764 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4766 if (!pausing && appData.highlightLastMove) {
4767 SetHighlights(fromX, fromY, toX, toY);
4771 /* Start the clocks */
4772 whiteFlag = blackFlag = FALSE;
4773 appData.clockMode = !(basetime == 0 && increment == 0);
4775 ics_clock_paused = TRUE;
4777 } else if (ticking == 1) {
4778 ics_clock_paused = FALSE;
4780 if (gameMode == IcsIdle ||
4781 relation == RELATION_OBSERVING_STATIC ||
4782 relation == RELATION_EXAMINING ||
4784 DisplayBothClocks();
4788 /* Display opponents and material strengths */
4789 if (gameInfo.variant != VariantBughouse &&
4790 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4791 if (tinyLayout || smallLayout) {
4792 if(gameInfo.variant == VariantNormal)
4793 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4794 gameInfo.white, white_stren, gameInfo.black, black_stren,
4795 basetime, increment);
4797 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4798 gameInfo.white, white_stren, gameInfo.black, black_stren,
4799 basetime, increment, (int) gameInfo.variant);
4801 if(gameInfo.variant == VariantNormal)
4802 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4803 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4804 basetime, increment);
4806 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4807 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4808 basetime, increment, VariantName(gameInfo.variant));
4811 if (appData.debugMode) {
4812 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4817 /* Display the board */
4818 if (!pausing && !appData.noGUI) {
4820 if (appData.premove)
4822 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4823 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4824 ClearPremoveHighlights();
4826 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4827 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4828 DrawPosition(j, boards[currentMove]);
4830 DisplayMove(moveNum - 1);
4831 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4832 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4833 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4834 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4838 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4840 if(bookHit) { // [HGM] book: simulate book reply
4841 static char bookMove[MSG_SIZ]; // a bit generous?
4843 programStats.nodes = programStats.depth = programStats.time =
4844 programStats.score = programStats.got_only_move = 0;
4845 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4847 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4848 strcat(bookMove, bookHit);
4849 HandleMachineMove(bookMove, &first);
4858 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4859 ics_getting_history = H_REQUESTED;
4860 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4866 AnalysisPeriodicEvent (int force)
4868 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4869 && !force) || !appData.periodicUpdates)
4872 /* Send . command to Crafty to collect stats */
4873 SendToProgram(".\n", &first);
4875 /* Don't send another until we get a response (this makes
4876 us stop sending to old Crafty's which don't understand
4877 the "." command (sending illegal cmds resets node count & time,
4878 which looks bad)) */
4879 programStats.ok_to_send = 0;
4883 ics_update_width (int new_width)
4885 ics_printf("set width %d\n", new_width);
4889 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4893 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4894 // null move in variant where engine does not understand it (for analysis purposes)
4895 SendBoard(cps, moveNum + 1); // send position after move in stead.
4898 if (cps->useUsermove) {
4899 SendToProgram("usermove ", cps);
4903 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4904 int len = space - parseList[moveNum];
4905 memcpy(buf, parseList[moveNum], len);
4907 buf[len] = NULLCHAR;
4909 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4911 SendToProgram(buf, cps);
4913 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4914 AlphaRank(moveList[moveNum], 4);
4915 SendToProgram(moveList[moveNum], cps);
4916 AlphaRank(moveList[moveNum], 4); // and back
4918 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4919 * the engine. It would be nice to have a better way to identify castle
4921 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4922 && cps->useOOCastle) {
4923 int fromX = moveList[moveNum][0] - AAA;
4924 int fromY = moveList[moveNum][1] - ONE;
4925 int toX = moveList[moveNum][2] - AAA;
4926 int toY = moveList[moveNum][3] - ONE;
4927 if((boards[moveNum][fromY][fromX] == WhiteKing
4928 && boards[moveNum][toY][toX] == WhiteRook)
4929 || (boards[moveNum][fromY][fromX] == BlackKing
4930 && boards[moveNum][toY][toX] == BlackRook)) {
4931 if(toX > fromX) SendToProgram("O-O\n", cps);
4932 else SendToProgram("O-O-O\n", cps);
4934 else SendToProgram(moveList[moveNum], cps);
4936 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4937 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4938 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4939 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4940 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4942 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4943 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4944 SendToProgram(buf, cps);
4946 else SendToProgram(moveList[moveNum], cps);
4947 /* End of additions by Tord */
4950 /* [HGM] setting up the opening has brought engine in force mode! */
4951 /* Send 'go' if we are in a mode where machine should play. */
4952 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4953 (gameMode == TwoMachinesPlay ||
4955 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4957 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4958 SendToProgram("go\n", cps);
4959 if (appData.debugMode) {
4960 fprintf(debugFP, "(extra)\n");
4963 setboardSpoiledMachineBlack = 0;
4967 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4969 char user_move[MSG_SIZ];
4972 if(gameInfo.variant == VariantSChess && promoChar) {
4973 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4974 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4975 } else suffix[0] = NULLCHAR;
4979 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4980 (int)moveType, fromX, fromY, toX, toY);
4981 DisplayError(user_move + strlen("say "), 0);
4983 case WhiteKingSideCastle:
4984 case BlackKingSideCastle:
4985 case WhiteQueenSideCastleWild:
4986 case BlackQueenSideCastleWild:
4988 case WhiteHSideCastleFR:
4989 case BlackHSideCastleFR:
4991 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4993 case WhiteQueenSideCastle:
4994 case BlackQueenSideCastle:
4995 case WhiteKingSideCastleWild:
4996 case BlackKingSideCastleWild:
4998 case WhiteASideCastleFR:
4999 case BlackASideCastleFR:
5001 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5003 case WhiteNonPromotion:
5004 case BlackNonPromotion:
5005 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5007 case WhitePromotion:
5008 case BlackPromotion:
5009 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5010 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5011 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5012 PieceToChar(WhiteFerz));
5013 else if(gameInfo.variant == VariantGreat)
5014 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5015 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5016 PieceToChar(WhiteMan));
5018 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5019 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5025 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5026 ToUpper(PieceToChar((ChessSquare) fromX)),
5027 AAA + toX, ONE + toY);
5029 case IllegalMove: /* could be a variant we don't quite understand */
5030 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5032 case WhiteCapturesEnPassant:
5033 case BlackCapturesEnPassant:
5034 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5035 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5038 SendToICS(user_move);
5039 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5040 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5045 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5046 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5047 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5048 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5049 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5052 if(gameMode != IcsExamining) { // is this ever not the case?
5053 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5055 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5056 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5057 } else { // on FICS we must first go to general examine mode
5058 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5060 if(gameInfo.variant != VariantNormal) {
5061 // try figure out wild number, as xboard names are not always valid on ICS
5062 for(i=1; i<=36; i++) {
5063 snprintf(buf, MSG_SIZ, "wild/%d", i);
5064 if(StringToVariant(buf) == gameInfo.variant) break;
5066 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5067 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5068 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5069 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5070 SendToICS(ics_prefix);
5072 if(startedFromSetupPosition || backwardMostMove != 0) {
5073 fen = PositionToFEN(backwardMostMove, NULL);
5074 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5075 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5077 } else { // FICS: everything has to set by separate bsetup commands
5078 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5079 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5081 if(!WhiteOnMove(backwardMostMove)) {
5082 SendToICS("bsetup tomove black\n");
5084 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5085 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5087 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5088 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5090 i = boards[backwardMostMove][EP_STATUS];
5091 if(i >= 0) { // set e.p.
5092 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5098 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5099 SendToICS("bsetup done\n"); // switch to normal examining.
5101 for(i = backwardMostMove; i<last; i++) {
5103 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5106 SendToICS(ics_prefix);
5107 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5111 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5113 if (rf == DROP_RANK) {
5114 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5115 sprintf(move, "%c@%c%c\n",
5116 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5118 if (promoChar == 'x' || promoChar == NULLCHAR) {
5119 sprintf(move, "%c%c%c%c\n",
5120 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5122 sprintf(move, "%c%c%c%c%c\n",
5123 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5129 ProcessICSInitScript (FILE *f)
5133 while (fgets(buf, MSG_SIZ, f)) {
5134 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5141 static int lastX, lastY, selectFlag, dragging;
5146 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5147 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5148 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5149 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5150 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5151 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5154 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5155 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5156 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5157 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5158 if(!step) step = -1;
5159 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5160 appData.testLegality && (promoSweep == king ||
5161 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5162 ChangeDragPiece(promoSweep);
5166 PromoScroll (int x, int y)
5170 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5171 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5172 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5173 if(!step) return FALSE;
5174 lastX = x; lastY = y;
5175 if((promoSweep < BlackPawn) == flipView) step = -step;
5176 if(step > 0) selectFlag = 1;
5177 if(!selectFlag) Sweep(step);
5182 NextPiece (int step)
5184 ChessSquare piece = boards[currentMove][toY][toX];
5187 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5188 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5189 if(!step) step = -1;
5190 } while(PieceToChar(pieceSweep) == '.');
5191 boards[currentMove][toY][toX] = pieceSweep;
5192 DrawPosition(FALSE, boards[currentMove]);
5193 boards[currentMove][toY][toX] = piece;
5195 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5197 AlphaRank (char *move, int n)
5199 // char *p = move, c; int x, y;
5201 if (appData.debugMode) {
5202 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5206 move[2]>='0' && move[2]<='9' &&
5207 move[3]>='a' && move[3]<='x' ) {
5209 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5210 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5212 if(move[0]>='0' && move[0]<='9' &&
5213 move[1]>='a' && move[1]<='x' &&
5214 move[2]>='0' && move[2]<='9' &&
5215 move[3]>='a' && move[3]<='x' ) {
5216 /* input move, Shogi -> normal */
5217 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5218 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5219 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5220 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5223 move[3]>='0' && move[3]<='9' &&
5224 move[2]>='a' && move[2]<='x' ) {
5226 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5227 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5230 move[0]>='a' && move[0]<='x' &&
5231 move[3]>='0' && move[3]<='9' &&
5232 move[2]>='a' && move[2]<='x' ) {
5233 /* output move, normal -> Shogi */
5234 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5235 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5236 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5237 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5238 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5240 if (appData.debugMode) {
5241 fprintf(debugFP, " out = '%s'\n", move);
5245 char yy_textstr[8000];
5247 /* Parser for moves from gnuchess, ICS, or user typein box */
5249 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5251 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5253 switch (*moveType) {
5254 case WhitePromotion:
5255 case BlackPromotion:
5256 case WhiteNonPromotion:
5257 case BlackNonPromotion:
5259 case WhiteCapturesEnPassant:
5260 case BlackCapturesEnPassant:
5261 case WhiteKingSideCastle:
5262 case WhiteQueenSideCastle:
5263 case BlackKingSideCastle:
5264 case BlackQueenSideCastle:
5265 case WhiteKingSideCastleWild:
5266 case WhiteQueenSideCastleWild:
5267 case BlackKingSideCastleWild:
5268 case BlackQueenSideCastleWild:
5269 /* Code added by Tord: */
5270 case WhiteHSideCastleFR:
5271 case WhiteASideCastleFR:
5272 case BlackHSideCastleFR:
5273 case BlackASideCastleFR:
5274 /* End of code added by Tord */
5275 case IllegalMove: /* bug or odd chess variant */
5276 *fromX = currentMoveString[0] - AAA;
5277 *fromY = currentMoveString[1] - ONE;
5278 *toX = currentMoveString[2] - AAA;
5279 *toY = currentMoveString[3] - ONE;
5280 *promoChar = currentMoveString[4];
5281 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5282 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5283 if (appData.debugMode) {
5284 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5286 *fromX = *fromY = *toX = *toY = 0;
5289 if (appData.testLegality) {
5290 return (*moveType != IllegalMove);
5292 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5293 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5298 *fromX = *moveType == WhiteDrop ?
5299 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5300 (int) CharToPiece(ToLower(currentMoveString[0]));
5302 *toX = currentMoveString[2] - AAA;
5303 *toY = currentMoveString[3] - ONE;
5304 *promoChar = NULLCHAR;
5308 case ImpossibleMove:
5318 if (appData.debugMode) {
5319 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5322 *fromX = *fromY = *toX = *toY = 0;
5323 *promoChar = NULLCHAR;
5328 Boolean pushed = FALSE;
5329 char *lastParseAttempt;
5332 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5333 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5334 int fromX, fromY, toX, toY; char promoChar;
5339 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5340 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5343 endPV = forwardMostMove;
5345 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5346 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5347 lastParseAttempt = pv;
5348 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5349 if(!valid && nr == 0 &&
5350 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5351 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5352 // Hande case where played move is different from leading PV move
5353 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5354 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5355 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5356 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5357 endPV += 2; // if position different, keep this
5358 moveList[endPV-1][0] = fromX + AAA;
5359 moveList[endPV-1][1] = fromY + ONE;
5360 moveList[endPV-1][2] = toX + AAA;
5361 moveList[endPV-1][3] = toY + ONE;
5362 parseList[endPV-1][0] = NULLCHAR;
5363 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5366 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5367 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5368 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5369 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5370 valid++; // allow comments in PV
5374 if(endPV+1 > framePtr) break; // no space, truncate
5377 CopyBoard(boards[endPV], boards[endPV-1]);
5378 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5379 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5380 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5381 CoordsToAlgebraic(boards[endPV - 1],
5382 PosFlags(endPV - 1),
5383 fromY, fromX, toY, toX, promoChar,
5384 parseList[endPV - 1]);
5386 if(atEnd == 2) return; // used hidden, for PV conversion
5387 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5388 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5389 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5390 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5391 DrawPosition(TRUE, boards[currentMove]);
5395 MultiPV (ChessProgramState *cps)
5396 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5398 for(i=0; i<cps->nrOptions; i++)
5399 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5405 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5407 int startPV, multi, lineStart, origIndex = index;
5408 char *p, buf2[MSG_SIZ];
5410 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5411 lastX = x; lastY = y;
5412 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5413 lineStart = startPV = index;
5414 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5415 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5417 do{ while(buf[index] && buf[index] != '\n') index++;
5418 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5420 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5421 int n = first.option[multi].value;
5422 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5423 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5424 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5425 first.option[multi].value = n;
5429 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5430 *start = startPV; *end = index-1;
5437 static char buf[10*MSG_SIZ];
5438 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5440 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5441 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5442 for(i = forwardMostMove; i<endPV; i++){
5443 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5444 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5447 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5448 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5454 LoadPV (int x, int y)
5455 { // called on right mouse click to load PV
5456 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5457 lastX = x; lastY = y;
5458 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5465 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5466 if(endPV < 0) return;
5467 if(appData.autoCopyPV) CopyFENToClipboard();
5469 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5470 Boolean saveAnimate = appData.animate;
5472 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5473 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5474 } else storedGames--; // abandon shelved tail of original game
5477 forwardMostMove = currentMove;
5478 currentMove = oldFMM;
5479 appData.animate = FALSE;
5480 ToNrEvent(forwardMostMove);
5481 appData.animate = saveAnimate;
5483 currentMove = forwardMostMove;
5484 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5485 ClearPremoveHighlights();
5486 DrawPosition(TRUE, boards[currentMove]);
5490 MovePV (int x, int y, int h)
5491 { // step through PV based on mouse coordinates (called on mouse move)
5492 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5494 // we must somehow check if right button is still down (might be released off board!)
5495 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5496 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5497 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5499 lastX = x; lastY = y;
5501 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5502 if(endPV < 0) return;
5503 if(y < margin) step = 1; else
5504 if(y > h - margin) step = -1;
5505 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5506 currentMove += step;
5507 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5508 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5509 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5510 DrawPosition(FALSE, boards[currentMove]);
5514 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5515 // All positions will have equal probability, but the current method will not provide a unique
5516 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5522 int piecesLeft[(int)BlackPawn];
5523 int seed, nrOfShuffles;
5526 GetPositionNumber ()
5527 { // sets global variable seed
5530 seed = appData.defaultFrcPosition;
5531 if(seed < 0) { // randomize based on time for negative FRC position numbers
5532 for(i=0; i<50; i++) seed += random();
5533 seed = random() ^ random() >> 8 ^ random() << 8;
5534 if(seed<0) seed = -seed;
5539 put (Board board, int pieceType, int rank, int n, int shade)
5540 // put the piece on the (n-1)-th empty squares of the given shade
5544 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5545 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5546 board[rank][i] = (ChessSquare) pieceType;
5547 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5549 piecesLeft[pieceType]--;
5558 AddOnePiece (Board board, int pieceType, int rank, int shade)
5559 // calculate where the next piece goes, (any empty square), and put it there
5563 i = seed % squaresLeft[shade];
5564 nrOfShuffles *= squaresLeft[shade];
5565 seed /= squaresLeft[shade];
5566 put(board, pieceType, rank, i, shade);
5570 AddTwoPieces (Board board, int pieceType, int rank)
5571 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5573 int i, n=squaresLeft[ANY], j=n-1, k;
5575 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5576 i = seed % k; // pick one
5579 while(i >= j) i -= j--;
5580 j = n - 1 - j; i += j;
5581 put(board, pieceType, rank, j, ANY);
5582 put(board, pieceType, rank, i, ANY);
5586 SetUpShuffle (Board board, int number)
5590 GetPositionNumber(); nrOfShuffles = 1;
5592 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5593 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5594 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5596 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5598 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5599 p = (int) board[0][i];
5600 if(p < (int) BlackPawn) piecesLeft[p] ++;
5601 board[0][i] = EmptySquare;
5604 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5605 // shuffles restricted to allow normal castling put KRR first
5606 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5607 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5608 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5609 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5610 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5611 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5612 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5613 put(board, WhiteRook, 0, 0, ANY);
5614 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5617 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5618 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5619 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5620 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5621 while(piecesLeft[p] >= 2) {
5622 AddOnePiece(board, p, 0, LITE);
5623 AddOnePiece(board, p, 0, DARK);
5625 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5628 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5629 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5630 // but we leave King and Rooks for last, to possibly obey FRC restriction
5631 if(p == (int)WhiteRook) continue;
5632 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5633 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5636 // now everything is placed, except perhaps King (Unicorn) and Rooks
5638 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5639 // Last King gets castling rights
5640 while(piecesLeft[(int)WhiteUnicorn]) {
5641 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5642 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5645 while(piecesLeft[(int)WhiteKing]) {
5646 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5647 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5652 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5653 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5656 // Only Rooks can be left; simply place them all
5657 while(piecesLeft[(int)WhiteRook]) {
5658 i = put(board, WhiteRook, 0, 0, ANY);
5659 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5662 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5664 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5667 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5668 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5671 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5675 SetCharTable (char *table, const char * map)
5676 /* [HGM] moved here from winboard.c because of its general usefulness */
5677 /* Basically a safe strcpy that uses the last character as King */
5679 int result = FALSE; int NrPieces;
5681 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5682 && NrPieces >= 12 && !(NrPieces&1)) {
5683 int i; /* [HGM] Accept even length from 12 to 34 */
5685 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5686 for( i=0; i<NrPieces/2-1; i++ ) {
5688 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5690 table[(int) WhiteKing] = map[NrPieces/2-1];
5691 table[(int) BlackKing] = map[NrPieces-1];
5700 Prelude (Board board)
5701 { // [HGM] superchess: random selection of exo-pieces
5702 int i, j, k; ChessSquare p;
5703 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5705 GetPositionNumber(); // use FRC position number
5707 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5708 SetCharTable(pieceToChar, appData.pieceToCharTable);
5709 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5710 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5713 j = seed%4; seed /= 4;
5714 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5715 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5716 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5717 j = seed%3 + (seed%3 >= j); seed /= 3;
5718 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5719 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5720 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5721 j = seed%3; seed /= 3;
5722 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5723 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5724 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5725 j = seed%2 + (seed%2 >= j); seed /= 2;
5726 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5727 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5728 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5729 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5730 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5731 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5732 put(board, exoPieces[0], 0, 0, ANY);
5733 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5737 InitPosition (int redraw)
5739 ChessSquare (* pieces)[BOARD_FILES];
5740 int i, j, pawnRow, overrule,
5741 oldx = gameInfo.boardWidth,
5742 oldy = gameInfo.boardHeight,
5743 oldh = gameInfo.holdingsWidth;
5746 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5748 /* [AS] Initialize pv info list [HGM] and game status */
5750 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5751 pvInfoList[i].depth = 0;
5752 boards[i][EP_STATUS] = EP_NONE;
5753 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5756 initialRulePlies = 0; /* 50-move counter start */
5758 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5759 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5763 /* [HGM] logic here is completely changed. In stead of full positions */
5764 /* the initialized data only consist of the two backranks. The switch */
5765 /* selects which one we will use, which is than copied to the Board */
5766 /* initialPosition, which for the rest is initialized by Pawns and */
5767 /* empty squares. This initial position is then copied to boards[0], */
5768 /* possibly after shuffling, so that it remains available. */
5770 gameInfo.holdingsWidth = 0; /* default board sizes */
5771 gameInfo.boardWidth = 8;
5772 gameInfo.boardHeight = 8;
5773 gameInfo.holdingsSize = 0;
5774 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5775 for(i=0; i<BOARD_FILES-2; i++)
5776 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5777 initialPosition[EP_STATUS] = EP_NONE;
5778 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5779 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5780 SetCharTable(pieceNickName, appData.pieceNickNames);
5781 else SetCharTable(pieceNickName, "............");
5784 switch (gameInfo.variant) {
5785 case VariantFischeRandom:
5786 shuffleOpenings = TRUE;
5789 case VariantShatranj:
5790 pieces = ShatranjArray;
5791 nrCastlingRights = 0;
5792 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5795 pieces = makrukArray;
5796 nrCastlingRights = 0;
5797 startedFromSetupPosition = TRUE;
5798 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5800 case VariantTwoKings:
5801 pieces = twoKingsArray;
5804 pieces = GrandArray;
5805 nrCastlingRights = 0;
5806 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5807 gameInfo.boardWidth = 10;
5808 gameInfo.boardHeight = 10;
5809 gameInfo.holdingsSize = 7;
5811 case VariantCapaRandom:
5812 shuffleOpenings = TRUE;
5813 case VariantCapablanca:
5814 pieces = CapablancaArray;
5815 gameInfo.boardWidth = 10;
5816 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5819 pieces = GothicArray;
5820 gameInfo.boardWidth = 10;
5821 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5824 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5825 gameInfo.holdingsSize = 7;
5828 pieces = JanusArray;
5829 gameInfo.boardWidth = 10;
5830 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5831 nrCastlingRights = 6;
5832 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5833 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5834 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5835 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5836 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5837 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5840 pieces = FalconArray;
5841 gameInfo.boardWidth = 10;
5842 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5844 case VariantXiangqi:
5845 pieces = XiangqiArray;
5846 gameInfo.boardWidth = 9;
5847 gameInfo.boardHeight = 10;
5848 nrCastlingRights = 0;
5849 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5852 pieces = ShogiArray;
5853 gameInfo.boardWidth = 9;
5854 gameInfo.boardHeight = 9;
5855 gameInfo.holdingsSize = 7;
5856 nrCastlingRights = 0;
5857 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5859 case VariantCourier:
5860 pieces = CourierArray;
5861 gameInfo.boardWidth = 12;
5862 nrCastlingRights = 0;
5863 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5865 case VariantKnightmate:
5866 pieces = KnightmateArray;
5867 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5869 case VariantSpartan:
5870 pieces = SpartanArray;
5871 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5874 pieces = fairyArray;
5875 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5878 pieces = GreatArray;
5879 gameInfo.boardWidth = 10;
5880 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5881 gameInfo.holdingsSize = 8;
5885 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5886 gameInfo.holdingsSize = 8;
5887 startedFromSetupPosition = TRUE;
5889 case VariantCrazyhouse:
5890 case VariantBughouse:
5892 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5893 gameInfo.holdingsSize = 5;
5895 case VariantWildCastle:
5897 /* !!?shuffle with kings guaranteed to be on d or e file */
5898 shuffleOpenings = 1;
5900 case VariantNoCastle:
5902 nrCastlingRights = 0;
5903 /* !!?unconstrained back-rank shuffle */
5904 shuffleOpenings = 1;
5909 if(appData.NrFiles >= 0) {
5910 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5911 gameInfo.boardWidth = appData.NrFiles;
5913 if(appData.NrRanks >= 0) {
5914 gameInfo.boardHeight = appData.NrRanks;
5916 if(appData.holdingsSize >= 0) {
5917 i = appData.holdingsSize;
5918 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5919 gameInfo.holdingsSize = i;
5921 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5922 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5923 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5925 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5926 if(pawnRow < 1) pawnRow = 1;
5927 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5929 /* User pieceToChar list overrules defaults */
5930 if(appData.pieceToCharTable != NULL)
5931 SetCharTable(pieceToChar, appData.pieceToCharTable);
5933 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5935 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5936 s = (ChessSquare) 0; /* account holding counts in guard band */
5937 for( i=0; i<BOARD_HEIGHT; i++ )
5938 initialPosition[i][j] = s;
5940 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5941 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5942 initialPosition[pawnRow][j] = WhitePawn;
5943 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5944 if(gameInfo.variant == VariantXiangqi) {
5946 initialPosition[pawnRow][j] =
5947 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5948 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5949 initialPosition[2][j] = WhiteCannon;
5950 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5954 if(gameInfo.variant == VariantGrand) {
5955 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5956 initialPosition[0][j] = WhiteRook;
5957 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5960 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5962 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5965 initialPosition[1][j] = WhiteBishop;
5966 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5968 initialPosition[1][j] = WhiteRook;
5969 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5972 if( nrCastlingRights == -1) {
5973 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5974 /* This sets default castling rights from none to normal corners */
5975 /* Variants with other castling rights must set them themselves above */
5976 nrCastlingRights = 6;
5978 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5979 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5980 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5981 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5982 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5983 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5986 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5987 if(gameInfo.variant == VariantGreat) { // promotion commoners
5988 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5989 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5990 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5991 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5993 if( gameInfo.variant == VariantSChess ) {
5994 initialPosition[1][0] = BlackMarshall;
5995 initialPosition[2][0] = BlackAngel;
5996 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5997 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5998 initialPosition[1][1] = initialPosition[2][1] =
5999 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6001 if (appData.debugMode) {
6002 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6004 if(shuffleOpenings) {
6005 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6006 startedFromSetupPosition = TRUE;
6008 if(startedFromPositionFile) {
6009 /* [HGM] loadPos: use PositionFile for every new game */
6010 CopyBoard(initialPosition, filePosition);
6011 for(i=0; i<nrCastlingRights; i++)
6012 initialRights[i] = filePosition[CASTLING][i];
6013 startedFromSetupPosition = TRUE;
6016 CopyBoard(boards[0], initialPosition);
6018 if(oldx != gameInfo.boardWidth ||
6019 oldy != gameInfo.boardHeight ||
6020 oldv != gameInfo.variant ||
6021 oldh != gameInfo.holdingsWidth
6023 InitDrawingSizes(-2 ,0);
6025 oldv = gameInfo.variant;
6027 DrawPosition(TRUE, boards[currentMove]);
6031 SendBoard (ChessProgramState *cps, int moveNum)
6033 char message[MSG_SIZ];
6035 if (cps->useSetboard) {
6036 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6037 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6038 SendToProgram(message, cps);
6043 int i, j, left=0, right=BOARD_WIDTH;
6044 /* Kludge to set black to move, avoiding the troublesome and now
6045 * deprecated "black" command.
6047 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6048 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6050 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6052 SendToProgram("edit\n", cps);
6053 SendToProgram("#\n", cps);
6054 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6055 bp = &boards[moveNum][i][left];
6056 for (j = left; j < right; j++, bp++) {
6057 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6058 if ((int) *bp < (int) BlackPawn) {
6059 if(j == BOARD_RGHT+1)
6060 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6061 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6062 if(message[0] == '+' || message[0] == '~') {
6063 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6064 PieceToChar((ChessSquare)(DEMOTED *bp)),
6067 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6068 message[1] = BOARD_RGHT - 1 - j + '1';
6069 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6071 SendToProgram(message, cps);
6076 SendToProgram("c\n", cps);
6077 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6078 bp = &boards[moveNum][i][left];
6079 for (j = left; j < right; j++, bp++) {
6080 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6081 if (((int) *bp != (int) EmptySquare)
6082 && ((int) *bp >= (int) BlackPawn)) {
6083 if(j == BOARD_LEFT-2)
6084 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6085 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6087 if(message[0] == '+' || message[0] == '~') {
6088 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6089 PieceToChar((ChessSquare)(DEMOTED *bp)),
6092 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6093 message[1] = BOARD_RGHT - 1 - j + '1';
6094 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6096 SendToProgram(message, cps);
6101 SendToProgram(".\n", cps);
6103 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6107 DefaultPromoChoice (int white)
6110 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6111 result = WhiteFerz; // no choice
6112 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6113 result= WhiteKing; // in Suicide Q is the last thing we want
6114 else if(gameInfo.variant == VariantSpartan)
6115 result = white ? WhiteQueen : WhiteAngel;
6116 else result = WhiteQueen;
6117 if(!white) result = WHITE_TO_BLACK result;
6121 static int autoQueen; // [HGM] oneclick
6124 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6126 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6127 /* [HGM] add Shogi promotions */
6128 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6133 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6134 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6136 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6137 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6140 piece = boards[currentMove][fromY][fromX];
6141 if(gameInfo.variant == VariantShogi) {
6142 promotionZoneSize = BOARD_HEIGHT/3;
6143 highestPromotingPiece = (int)WhiteFerz;
6144 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6145 promotionZoneSize = 3;
6148 // Treat Lance as Pawn when it is not representing Amazon
6149 if(gameInfo.variant != VariantSuper) {
6150 if(piece == WhiteLance) piece = WhitePawn; else
6151 if(piece == BlackLance) piece = BlackPawn;
6154 // next weed out all moves that do not touch the promotion zone at all
6155 if((int)piece >= BlackPawn) {
6156 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6158 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6160 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6161 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6164 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6166 // weed out mandatory Shogi promotions
6167 if(gameInfo.variant == VariantShogi) {
6168 if(piece >= BlackPawn) {
6169 if(toY == 0 && piece == BlackPawn ||
6170 toY == 0 && piece == BlackQueen ||
6171 toY <= 1 && piece == BlackKnight) {
6176 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6177 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6178 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6185 // weed out obviously illegal Pawn moves
6186 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6187 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6188 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6189 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6190 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6191 // note we are not allowed to test for valid (non-)capture, due to premove
6194 // we either have a choice what to promote to, or (in Shogi) whether to promote
6195 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6196 *promoChoice = PieceToChar(BlackFerz); // no choice
6199 // no sense asking what we must promote to if it is going to explode...
6200 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6201 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6204 // give caller the default choice even if we will not make it
6205 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6206 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6207 if( sweepSelect && gameInfo.variant != VariantGreat
6208 && gameInfo.variant != VariantGrand
6209 && gameInfo.variant != VariantSuper) return FALSE;
6210 if(autoQueen) return FALSE; // predetermined
6212 // suppress promotion popup on illegal moves that are not premoves
6213 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6214 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6215 if(appData.testLegality && !premove) {
6216 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6217 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6218 if(moveType != WhitePromotion && moveType != BlackPromotion)
6226 InPalace (int row, int column)
6227 { /* [HGM] for Xiangqi */
6228 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6229 column < (BOARD_WIDTH + 4)/2 &&
6230 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6235 PieceForSquare (int x, int y)
6237 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6240 return boards[currentMove][y][x];
6244 OKToStartUserMove (int x, int y)
6246 ChessSquare from_piece;
6249 if (matchMode) return FALSE;
6250 if (gameMode == EditPosition) return TRUE;
6252 if (x >= 0 && y >= 0)
6253 from_piece = boards[currentMove][y][x];
6255 from_piece = EmptySquare;
6257 if (from_piece == EmptySquare) return FALSE;
6259 white_piece = (int)from_piece >= (int)WhitePawn &&
6260 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6264 case TwoMachinesPlay:
6272 case MachinePlaysWhite:
6273 case IcsPlayingBlack:
6274 if (appData.zippyPlay) return FALSE;
6276 DisplayMoveError(_("You are playing Black"));
6281 case MachinePlaysBlack:
6282 case IcsPlayingWhite:
6283 if (appData.zippyPlay) return FALSE;
6285 DisplayMoveError(_("You are playing White"));
6290 case PlayFromGameFile:
6291 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6293 if (!white_piece && WhiteOnMove(currentMove)) {
6294 DisplayMoveError(_("It is White's turn"));
6297 if (white_piece && !WhiteOnMove(currentMove)) {
6298 DisplayMoveError(_("It is Black's turn"));
6301 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6302 /* Editing correspondence game history */
6303 /* Could disallow this or prompt for confirmation */
6308 case BeginningOfGame:
6309 if (appData.icsActive) return FALSE;
6310 if (!appData.noChessProgram) {
6312 DisplayMoveError(_("You are playing White"));
6319 if (!white_piece && WhiteOnMove(currentMove)) {
6320 DisplayMoveError(_("It is White's turn"));
6323 if (white_piece && !WhiteOnMove(currentMove)) {
6324 DisplayMoveError(_("It is Black's turn"));
6333 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6334 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6335 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6336 && gameMode != AnalyzeFile && gameMode != Training) {
6337 DisplayMoveError(_("Displayed position is not current"));
6344 OnlyMove (int *x, int *y, Boolean captures)
6346 DisambiguateClosure cl;
6347 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6349 case MachinePlaysBlack:
6350 case IcsPlayingWhite:
6351 case BeginningOfGame:
6352 if(!WhiteOnMove(currentMove)) return FALSE;
6354 case MachinePlaysWhite:
6355 case IcsPlayingBlack:
6356 if(WhiteOnMove(currentMove)) return FALSE;
6363 cl.pieceIn = EmptySquare;
6368 cl.promoCharIn = NULLCHAR;
6369 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6370 if( cl.kind == NormalMove ||
6371 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6372 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6373 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6380 if(cl.kind != ImpossibleMove) return FALSE;
6381 cl.pieceIn = EmptySquare;
6386 cl.promoCharIn = NULLCHAR;
6387 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6388 if( cl.kind == NormalMove ||
6389 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6390 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6391 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6396 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6402 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6403 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6404 int lastLoadGameUseList = FALSE;
6405 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6406 ChessMove lastLoadGameStart = EndOfFile;
6409 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6412 ChessSquare pdown, pup;
6414 /* Check if the user is playing in turn. This is complicated because we
6415 let the user "pick up" a piece before it is his turn. So the piece he
6416 tried to pick up may have been captured by the time he puts it down!
6417 Therefore we use the color the user is supposed to be playing in this
6418 test, not the color of the piece that is currently on the starting
6419 square---except in EditGame mode, where the user is playing both
6420 sides; fortunately there the capture race can't happen. (It can
6421 now happen in IcsExamining mode, but that's just too bad. The user
6422 will get a somewhat confusing message in that case.)
6427 case TwoMachinesPlay:
6431 /* We switched into a game mode where moves are not accepted,
6432 perhaps while the mouse button was down. */
6435 case MachinePlaysWhite:
6436 /* User is moving for Black */
6437 if (WhiteOnMove(currentMove)) {
6438 DisplayMoveError(_("It is White's turn"));
6443 case MachinePlaysBlack:
6444 /* User is moving for White */
6445 if (!WhiteOnMove(currentMove)) {
6446 DisplayMoveError(_("It is Black's turn"));
6451 case PlayFromGameFile:
6452 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6455 case BeginningOfGame:
6458 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6459 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6460 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6461 /* User is moving for Black */
6462 if (WhiteOnMove(currentMove)) {
6463 DisplayMoveError(_("It is White's turn"));
6467 /* User is moving for White */
6468 if (!WhiteOnMove(currentMove)) {
6469 DisplayMoveError(_("It is Black's turn"));
6475 case IcsPlayingBlack:
6476 /* User is moving for Black */
6477 if (WhiteOnMove(currentMove)) {
6478 if (!appData.premove) {
6479 DisplayMoveError(_("It is White's turn"));
6480 } else if (toX >= 0 && toY >= 0) {
6483 premoveFromX = fromX;
6484 premoveFromY = fromY;
6485 premovePromoChar = promoChar;
6487 if (appData.debugMode)
6488 fprintf(debugFP, "Got premove: fromX %d,"
6489 "fromY %d, toX %d, toY %d\n",
6490 fromX, fromY, toX, toY);
6496 case IcsPlayingWhite:
6497 /* User is moving for White */
6498 if (!WhiteOnMove(currentMove)) {
6499 if (!appData.premove) {
6500 DisplayMoveError(_("It is Black's turn"));
6501 } else if (toX >= 0 && toY >= 0) {
6504 premoveFromX = fromX;
6505 premoveFromY = fromY;
6506 premovePromoChar = promoChar;
6508 if (appData.debugMode)
6509 fprintf(debugFP, "Got premove: fromX %d,"
6510 "fromY %d, toX %d, toY %d\n",
6511 fromX, fromY, toX, toY);
6521 /* EditPosition, empty square, or different color piece;
6522 click-click move is possible */
6523 if (toX == -2 || toY == -2) {
6524 boards[0][fromY][fromX] = EmptySquare;
6525 DrawPosition(FALSE, boards[currentMove]);
6527 } else if (toX >= 0 && toY >= 0) {
6528 boards[0][toY][toX] = boards[0][fromY][fromX];
6529 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6530 if(boards[0][fromY][0] != EmptySquare) {
6531 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6532 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6535 if(fromX == BOARD_RGHT+1) {
6536 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6537 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6538 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6541 boards[0][fromY][fromX] = EmptySquare;
6542 DrawPosition(FALSE, boards[currentMove]);
6548 if(toX < 0 || toY < 0) return;
6549 pdown = boards[currentMove][fromY][fromX];
6550 pup = boards[currentMove][toY][toX];
6552 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6553 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6554 if( pup != EmptySquare ) return;
6555 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6556 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6557 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6558 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6559 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6560 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6561 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6565 /* [HGM] always test for legality, to get promotion info */
6566 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6567 fromY, fromX, toY, toX, promoChar);
6569 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6571 /* [HGM] but possibly ignore an IllegalMove result */
6572 if (appData.testLegality) {
6573 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6574 DisplayMoveError(_("Illegal move"));
6579 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6582 /* Common tail of UserMoveEvent and DropMenuEvent */
6584 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6588 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6589 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6590 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6591 if(WhiteOnMove(currentMove)) {
6592 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6594 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6598 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6599 move type in caller when we know the move is a legal promotion */
6600 if(moveType == NormalMove && promoChar)
6601 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6603 /* [HGM] <popupFix> The following if has been moved here from
6604 UserMoveEvent(). Because it seemed to belong here (why not allow
6605 piece drops in training games?), and because it can only be
6606 performed after it is known to what we promote. */
6607 if (gameMode == Training) {
6608 /* compare the move played on the board to the next move in the
6609 * game. If they match, display the move and the opponent's response.
6610 * If they don't match, display an error message.
6614 CopyBoard(testBoard, boards[currentMove]);
6615 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6617 if (CompareBoards(testBoard, boards[currentMove+1])) {
6618 ForwardInner(currentMove+1);
6620 /* Autoplay the opponent's response.
6621 * if appData.animate was TRUE when Training mode was entered,
6622 * the response will be animated.
6624 saveAnimate = appData.animate;
6625 appData.animate = animateTraining;
6626 ForwardInner(currentMove+1);
6627 appData.animate = saveAnimate;
6629 /* check for the end of the game */
6630 if (currentMove >= forwardMostMove) {
6631 gameMode = PlayFromGameFile;
6633 SetTrainingModeOff();
6634 DisplayInformation(_("End of game"));
6637 DisplayError(_("Incorrect move"), 0);
6642 /* Ok, now we know that the move is good, so we can kill
6643 the previous line in Analysis Mode */
6644 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6645 && currentMove < forwardMostMove) {
6646 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6647 else forwardMostMove = currentMove;
6650 /* If we need the chess program but it's dead, restart it */
6651 ResurrectChessProgram();
6653 /* A user move restarts a paused game*/
6657 thinkOutput[0] = NULLCHAR;
6659 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6661 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6662 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6666 if (gameMode == BeginningOfGame) {
6667 if (appData.noChessProgram) {
6668 gameMode = EditGame;
6672 gameMode = MachinePlaysBlack;
6675 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6677 if (first.sendName) {
6678 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6679 SendToProgram(buf, &first);
6686 /* Relay move to ICS or chess engine */
6687 if (appData.icsActive) {
6688 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6689 gameMode == IcsExamining) {
6690 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6691 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6693 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6695 // also send plain move, in case ICS does not understand atomic claims
6696 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6700 if (first.sendTime && (gameMode == BeginningOfGame ||
6701 gameMode == MachinePlaysWhite ||
6702 gameMode == MachinePlaysBlack)) {
6703 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6705 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6706 // [HGM] book: if program might be playing, let it use book
6707 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6708 first.maybeThinking = TRUE;
6709 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6710 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6711 SendBoard(&first, currentMove+1);
6712 } else SendMoveToProgram(forwardMostMove-1, &first);
6713 if (currentMove == cmailOldMove + 1) {
6714 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6718 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6722 if(appData.testLegality)
6723 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6729 if (WhiteOnMove(currentMove)) {
6730 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6732 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6736 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6741 case MachinePlaysBlack:
6742 case MachinePlaysWhite:
6743 /* disable certain menu options while machine is thinking */
6744 SetMachineThinkingEnables();
6751 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6752 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6754 if(bookHit) { // [HGM] book: simulate book reply
6755 static char bookMove[MSG_SIZ]; // a bit generous?
6757 programStats.nodes = programStats.depth = programStats.time =
6758 programStats.score = programStats.got_only_move = 0;
6759 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6761 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6762 strcat(bookMove, bookHit);
6763 HandleMachineMove(bookMove, &first);
6769 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6771 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6772 Markers *m = (Markers *) closure;
6773 if(rf == fromY && ff == fromX)
6774 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6775 || kind == WhiteCapturesEnPassant
6776 || kind == BlackCapturesEnPassant);
6777 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6781 MarkTargetSquares (int clear)
6784 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6785 !appData.testLegality || gameMode == EditPosition) return;
6787 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6790 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6791 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6792 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6794 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6797 DrawPosition(TRUE, NULL);
6801 Explode (Board board, int fromX, int fromY, int toX, int toY)
6803 if(gameInfo.variant == VariantAtomic &&
6804 (board[toY][toX] != EmptySquare || // capture?
6805 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6806 board[fromY][fromX] == BlackPawn )
6808 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6814 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6817 CanPromote (ChessSquare piece, int y)
6819 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6820 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6821 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6822 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6823 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6824 gameInfo.variant == VariantMakruk) return FALSE;
6825 return (piece == BlackPawn && y == 1 ||
6826 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6827 piece == BlackLance && y == 1 ||
6828 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6832 LeftClick (ClickType clickType, int xPix, int yPix)
6835 Boolean saveAnimate;
6836 static int second = 0, promotionChoice = 0, clearFlag = 0;
6837 char promoChoice = NULLCHAR;
6840 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
6842 if (clickType == Press) ErrorPopDown();
6844 x = EventToSquare(xPix, BOARD_WIDTH);
6845 y = EventToSquare(yPix, BOARD_HEIGHT);
6846 if (!flipView && y >= 0) {
6847 y = BOARD_HEIGHT - 1 - y;
6849 if (flipView && x >= 0) {
6850 x = BOARD_WIDTH - 1 - x;
6853 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6854 defaultPromoChoice = promoSweep;
6855 promoSweep = EmptySquare; // terminate sweep
6856 promoDefaultAltered = TRUE;
6857 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6860 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6861 if(clickType == Release) return; // ignore upclick of click-click destination
6862 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6863 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6864 if(gameInfo.holdingsWidth &&
6865 (WhiteOnMove(currentMove)
6866 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6867 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6868 // click in right holdings, for determining promotion piece
6869 ChessSquare p = boards[currentMove][y][x];
6870 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6871 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6872 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6873 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6878 DrawPosition(FALSE, boards[currentMove]);
6882 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6883 if(clickType == Press
6884 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6885 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6886 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6889 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
6890 // could be static click on premove from-square: abort premove
6892 ClearPremoveHighlights();
6895 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6896 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6898 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6899 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6900 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6901 defaultPromoChoice = DefaultPromoChoice(side);
6904 autoQueen = appData.alwaysPromoteToQueen;
6908 gatingPiece = EmptySquare;
6909 if (clickType != Press) {
6910 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6911 DragPieceEnd(xPix, yPix); dragging = 0;
6912 DrawPosition(FALSE, NULL);
6916 fromX = x; fromY = y; toX = toY = -1;
6917 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6918 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6919 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6921 if (OKToStartUserMove(fromX, fromY)) {
6923 MarkTargetSquares(0);
6924 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6925 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6926 promoSweep = defaultPromoChoice;
6927 selectFlag = 0; lastX = xPix; lastY = yPix;
6928 Sweep(0); // Pawn that is going to promote: preview promotion piece
6929 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6931 if (appData.highlightDragging) {
6932 SetHighlights(fromX, fromY, -1, -1);
6934 } else fromX = fromY = -1;
6940 if (clickType == Press && gameMode != EditPosition) {
6945 // ignore off-board to clicks
6946 if(y < 0 || x < 0) return;
6948 /* Check if clicking again on the same color piece */
6949 fromP = boards[currentMove][fromY][fromX];
6950 toP = boards[currentMove][y][x];
6951 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6952 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6953 WhitePawn <= toP && toP <= WhiteKing &&
6954 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6955 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6956 (BlackPawn <= fromP && fromP <= BlackKing &&
6957 BlackPawn <= toP && toP <= BlackKing &&
6958 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6959 !(fromP == BlackKing && toP == BlackRook && frc))) {
6960 /* Clicked again on same color piece -- changed his mind */
6961 second = (x == fromX && y == fromY);
6962 promoDefaultAltered = FALSE;
6963 MarkTargetSquares(1);
6964 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6965 if (appData.highlightDragging) {
6966 SetHighlights(x, y, -1, -1);
6970 if (OKToStartUserMove(x, y)) {
6971 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6972 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6973 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6974 gatingPiece = boards[currentMove][fromY][fromX];
6975 else gatingPiece = EmptySquare;
6977 fromY = y; dragging = 1;
6978 MarkTargetSquares(0);
6979 DragPieceBegin(xPix, yPix, FALSE);
6980 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6981 promoSweep = defaultPromoChoice;
6982 selectFlag = 0; lastX = xPix; lastY = yPix;
6983 Sweep(0); // Pawn that is going to promote: preview promotion piece
6987 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6990 // ignore clicks on holdings
6991 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6994 if (clickType == Release && x == fromX && y == fromY) {
6995 DragPieceEnd(xPix, yPix); dragging = 0;
6997 // a deferred attempt to click-click move an empty square on top of a piece
6998 boards[currentMove][y][x] = EmptySquare;
7000 DrawPosition(FALSE, boards[currentMove]);
7001 fromX = fromY = -1; clearFlag = 0;
7004 if (appData.animateDragging) {
7005 /* Undo animation damage if any */
7006 DrawPosition(FALSE, NULL);
7009 /* Second up/down in same square; just abort move */
7012 gatingPiece = EmptySquare;
7015 ClearPremoveHighlights();
7017 /* First upclick in same square; start click-click mode */
7018 SetHighlights(x, y, -1, -1);
7025 /* we now have a different from- and (possibly off-board) to-square */
7026 /* Completed move */
7029 saveAnimate = appData.animate;
7030 MarkTargetSquares(1);
7031 if (clickType == Press) {
7032 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7033 // must be Edit Position mode with empty-square selected
7034 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7035 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7038 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7039 ChessSquare piece = boards[currentMove][fromY][fromX];
7040 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7041 promoSweep = defaultPromoChoice;
7042 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7043 selectFlag = 0; lastX = xPix; lastY = yPix;
7044 Sweep(0); // Pawn that is going to promote: preview promotion piece
7045 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7046 DrawPosition(FALSE, boards[currentMove]);
7049 /* Finish clickclick move */
7050 if (appData.animate || appData.highlightLastMove) {
7051 SetHighlights(fromX, fromY, toX, toY);
7056 /* Finish drag move */
7057 if (appData.highlightLastMove) {
7058 SetHighlights(fromX, fromY, toX, toY);
7062 DragPieceEnd(xPix, yPix); dragging = 0;
7063 /* Don't animate move and drag both */
7064 appData.animate = FALSE;
7067 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7068 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7069 ChessSquare piece = boards[currentMove][fromY][fromX];
7070 if(gameMode == EditPosition && piece != EmptySquare &&
7071 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7074 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7075 n = PieceToNumber(piece - (int)BlackPawn);
7076 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7077 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7078 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7080 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7081 n = PieceToNumber(piece);
7082 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7083 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7084 boards[currentMove][n][BOARD_WIDTH-2]++;
7086 boards[currentMove][fromY][fromX] = EmptySquare;
7090 DrawPosition(TRUE, boards[currentMove]);
7094 // off-board moves should not be highlighted
7095 if(x < 0 || y < 0) ClearHighlights();
7097 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7099 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7100 SetHighlights(fromX, fromY, toX, toY);
7101 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7102 // [HGM] super: promotion to captured piece selected from holdings
7103 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7104 promotionChoice = TRUE;
7105 // kludge follows to temporarily execute move on display, without promoting yet
7106 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7107 boards[currentMove][toY][toX] = p;
7108 DrawPosition(FALSE, boards[currentMove]);
7109 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7110 boards[currentMove][toY][toX] = q;
7111 DisplayMessage("Click in holdings to choose piece", "");
7116 int oldMove = currentMove;
7117 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7118 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7119 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7120 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7121 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7122 DrawPosition(TRUE, boards[currentMove]);
7125 appData.animate = saveAnimate;
7126 if (appData.animate || appData.animateDragging) {
7127 /* Undo animation damage if needed */
7128 DrawPosition(FALSE, NULL);
7133 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7134 { // front-end-free part taken out of PieceMenuPopup
7135 int whichMenu; int xSqr, ySqr;
7137 if(seekGraphUp) { // [HGM] seekgraph
7138 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7139 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7143 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7144 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7145 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7146 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7147 if(action == Press) {
7148 originalFlip = flipView;
7149 flipView = !flipView; // temporarily flip board to see game from partners perspective
7150 DrawPosition(TRUE, partnerBoard);
7151 DisplayMessage(partnerStatus, "");
7153 } else if(action == Release) {
7154 flipView = originalFlip;
7155 DrawPosition(TRUE, boards[currentMove]);
7161 xSqr = EventToSquare(x, BOARD_WIDTH);
7162 ySqr = EventToSquare(y, BOARD_HEIGHT);
7163 if (action == Release) {
7164 if(pieceSweep != EmptySquare) {
7165 EditPositionMenuEvent(pieceSweep, toX, toY);
7166 pieceSweep = EmptySquare;
7167 } else UnLoadPV(); // [HGM] pv
7169 if (action != Press) return -2; // return code to be ignored
7172 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7174 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7175 if (xSqr < 0 || ySqr < 0) return -1;
7176 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7177 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7178 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7179 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7183 if(!appData.icsEngineAnalyze) return -1;
7184 case IcsPlayingWhite:
7185 case IcsPlayingBlack:
7186 if(!appData.zippyPlay) goto noZip;
7189 case MachinePlaysWhite:
7190 case MachinePlaysBlack:
7191 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7192 if (!appData.dropMenu) {
7194 return 2; // flag front-end to grab mouse events
7196 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7197 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7200 if (xSqr < 0 || ySqr < 0) return -1;
7201 if (!appData.dropMenu || appData.testLegality &&
7202 gameInfo.variant != VariantBughouse &&
7203 gameInfo.variant != VariantCrazyhouse) return -1;
7204 whichMenu = 1; // drop menu
7210 if (((*fromX = xSqr) < 0) ||
7211 ((*fromY = ySqr) < 0)) {
7212 *fromX = *fromY = -1;
7216 *fromX = BOARD_WIDTH - 1 - *fromX;
7218 *fromY = BOARD_HEIGHT - 1 - *fromY;
7224 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7226 // char * hint = lastHint;
7227 FrontEndProgramStats stats;
7229 stats.which = cps == &first ? 0 : 1;
7230 stats.depth = cpstats->depth;
7231 stats.nodes = cpstats->nodes;
7232 stats.score = cpstats->score;
7233 stats.time = cpstats->time;
7234 stats.pv = cpstats->movelist;
7235 stats.hint = lastHint;
7236 stats.an_move_index = 0;
7237 stats.an_move_count = 0;
7239 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7240 stats.hint = cpstats->move_name;
7241 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7242 stats.an_move_count = cpstats->nr_moves;
7245 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
7247 SetProgramStats( &stats );
7251 ClearEngineOutputPane (int which)
7253 static FrontEndProgramStats dummyStats;
7254 dummyStats.which = which;
7255 dummyStats.pv = "#";
7256 SetProgramStats( &dummyStats );
7259 #define MAXPLAYERS 500
7262 TourneyStandings (int display)
7264 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7265 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7266 char result, *p, *names[MAXPLAYERS];
7268 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7269 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7270 names[0] = p = strdup(appData.participants);
7271 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7273 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7275 while(result = appData.results[nr]) {
7276 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7277 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7278 wScore = bScore = 0;
7280 case '+': wScore = 2; break;
7281 case '-': bScore = 2; break;
7282 case '=': wScore = bScore = 1; break;
7284 case '*': return strdup("busy"); // tourney not finished
7292 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7293 for(w=0; w<nPlayers; w++) {
7295 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7296 ranking[w] = b; points[w] = bScore; score[b] = -2;
7298 p = malloc(nPlayers*34+1);
7299 for(w=0; w<nPlayers && w<display; w++)
7300 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7306 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7307 { // count all piece types
7309 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7310 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7311 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7314 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7315 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7316 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7317 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7318 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7319 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7324 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7326 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7327 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7329 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7330 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7331 if(myPawns == 2 && nMine == 3) // KPP
7332 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7333 if(myPawns == 1 && nMine == 2) // KP
7334 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7335 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7336 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7337 if(myPawns) return FALSE;
7338 if(pCnt[WhiteRook+side])
7339 return pCnt[BlackRook-side] ||
7340 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7341 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7342 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7343 if(pCnt[WhiteCannon+side]) {
7344 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7345 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7347 if(pCnt[WhiteKnight+side])
7348 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7353 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7355 VariantClass v = gameInfo.variant;
7357 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7358 if(v == VariantShatranj) return TRUE; // always winnable through baring
7359 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7360 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7362 if(v == VariantXiangqi) {
7363 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7365 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7366 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7367 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7368 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7369 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7370 if(stale) // we have at least one last-rank P plus perhaps C
7371 return majors // KPKX
7372 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7374 return pCnt[WhiteFerz+side] // KCAK
7375 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7376 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7377 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7379 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7380 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7382 if(nMine == 1) return FALSE; // bare King
7383 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
7384 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7385 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7386 // by now we have King + 1 piece (or multiple Bishops on the same color)
7387 if(pCnt[WhiteKnight+side])
7388 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7389 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7390 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7392 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7393 if(pCnt[WhiteAlfil+side])
7394 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7395 if(pCnt[WhiteWazir+side])
7396 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7403 CompareWithRights (Board b1, Board b2)
7406 if(!CompareBoards(b1, b2)) return FALSE;
7407 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7408 /* compare castling rights */
7409 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7410 rights++; /* King lost rights, while rook still had them */
7411 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7412 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7413 rights++; /* but at least one rook lost them */
7415 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7417 if( b1[CASTLING][5] != NoRights ) {
7418 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7425 Adjudicate (ChessProgramState *cps)
7426 { // [HGM] some adjudications useful with buggy engines
7427 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7428 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7429 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7430 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7431 int k, count = 0; static int bare = 1;
7432 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7433 Boolean canAdjudicate = !appData.icsActive;
7435 // most tests only when we understand the game, i.e. legality-checking on
7436 if( appData.testLegality )
7437 { /* [HGM] Some more adjudications for obstinate engines */
7438 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7439 static int moveCount = 6;
7441 char *reason = NULL;
7443 /* Count what is on board. */
7444 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7446 /* Some material-based adjudications that have to be made before stalemate test */
7447 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7448 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7449 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7450 if(canAdjudicate && appData.checkMates) {
7452 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7453 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7454 "Xboard adjudication: King destroyed", GE_XBOARD );
7459 /* Bare King in Shatranj (loses) or Losers (wins) */
7460 if( nrW == 1 || nrB == 1) {
7461 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7462 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7463 if(canAdjudicate && appData.checkMates) {
7465 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7466 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7467 "Xboard adjudication: Bare king", GE_XBOARD );
7471 if( gameInfo.variant == VariantShatranj && --bare < 0)
7473 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7474 if(canAdjudicate && appData.checkMates) {
7475 /* but only adjudicate if adjudication enabled */
7477 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7478 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7479 "Xboard adjudication: Bare king", GE_XBOARD );
7486 // don't wait for engine to announce game end if we can judge ourselves
7487 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7489 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7490 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7491 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7492 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7495 reason = "Xboard adjudication: 3rd check";
7496 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7506 reason = "Xboard adjudication: Stalemate";
7507 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7508 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7509 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7510 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7511 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7512 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7513 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7514 EP_CHECKMATE : EP_WINS);
7515 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7516 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7520 reason = "Xboard adjudication: Checkmate";
7521 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7525 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7527 result = GameIsDrawn; break;
7529 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7531 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7535 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7537 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7538 GameEnds( result, reason, GE_XBOARD );
7542 /* Next absolutely insufficient mating material. */
7543 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7544 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7545 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7547 /* always flag draws, for judging claims */
7548 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7550 if(canAdjudicate && appData.materialDraws) {
7551 /* but only adjudicate them if adjudication enabled */
7552 if(engineOpponent) {
7553 SendToProgram("force\n", engineOpponent); // suppress reply
7554 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7556 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7561 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7562 if(gameInfo.variant == VariantXiangqi ?
7563 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7565 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7566 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7567 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7568 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7570 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7571 { /* if the first 3 moves do not show a tactical win, declare draw */
7572 if(engineOpponent) {
7573 SendToProgram("force\n", engineOpponent); // suppress reply
7574 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7576 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7579 } else moveCount = 6;
7582 // Repetition draws and 50-move rule can be applied independently of legality testing
7584 /* Check for rep-draws */
7586 for(k = forwardMostMove-2;
7587 k>=backwardMostMove && k>=forwardMostMove-100 &&
7588 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7589 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7592 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7593 /* compare castling rights */
7594 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7595 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7596 rights++; /* King lost rights, while rook still had them */
7597 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7598 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7599 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7600 rights++; /* but at least one rook lost them */
7602 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7603 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7605 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7606 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7607 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7610 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7611 && appData.drawRepeats > 1) {
7612 /* adjudicate after user-specified nr of repeats */
7613 int result = GameIsDrawn;
7614 char *details = "XBoard adjudication: repetition draw";
7615 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7616 // [HGM] xiangqi: check for forbidden perpetuals
7617 int m, ourPerpetual = 1, hisPerpetual = 1;
7618 for(m=forwardMostMove; m>k; m-=2) {
7619 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7620 ourPerpetual = 0; // the current mover did not always check
7621 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7622 hisPerpetual = 0; // the opponent did not always check
7624 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7625 ourPerpetual, hisPerpetual);
7626 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7627 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7628 details = "Xboard adjudication: perpetual checking";
7630 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7631 break; // (or we would have caught him before). Abort repetition-checking loop.
7633 // Now check for perpetual chases
7634 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7635 hisPerpetual = PerpetualChase(k, forwardMostMove);
7636 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7637 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7638 static char resdet[MSG_SIZ];
7639 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7641 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7643 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7644 break; // Abort repetition-checking loop.
7646 // if neither of us is checking or chasing all the time, or both are, it is draw
7648 if(engineOpponent) {
7649 SendToProgram("force\n", engineOpponent); // suppress reply
7650 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7652 GameEnds( result, details, GE_XBOARD );
7655 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7656 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7660 /* Now we test for 50-move draws. Determine ply count */
7661 count = forwardMostMove;
7662 /* look for last irreversble move */
7663 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7665 /* if we hit starting position, add initial plies */
7666 if( count == backwardMostMove )
7667 count -= initialRulePlies;
7668 count = forwardMostMove - count;
7669 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7670 // adjust reversible move counter for checks in Xiangqi
7671 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7672 if(i < backwardMostMove) i = backwardMostMove;
7673 while(i <= forwardMostMove) {
7674 lastCheck = inCheck; // check evasion does not count
7675 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7676 if(inCheck || lastCheck) count--; // check does not count
7681 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7682 /* this is used to judge if draw claims are legal */
7683 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7684 if(engineOpponent) {
7685 SendToProgram("force\n", engineOpponent); // suppress reply
7686 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7688 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7692 /* if draw offer is pending, treat it as a draw claim
7693 * when draw condition present, to allow engines a way to
7694 * claim draws before making their move to avoid a race
7695 * condition occurring after their move
7697 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7699 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7700 p = "Draw claim: 50-move rule";
7701 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7702 p = "Draw claim: 3-fold repetition";
7703 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7704 p = "Draw claim: insufficient mating material";
7705 if( p != NULL && canAdjudicate) {
7706 if(engineOpponent) {
7707 SendToProgram("force\n", engineOpponent); // suppress reply
7708 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7710 GameEnds( GameIsDrawn, p, GE_XBOARD );
7715 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7716 if(engineOpponent) {
7717 SendToProgram("force\n", engineOpponent); // suppress reply
7718 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7720 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7727 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7728 { // [HGM] book: this routine intercepts moves to simulate book replies
7729 char *bookHit = NULL;
7731 //first determine if the incoming move brings opponent into his book
7732 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7733 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7734 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7735 if(bookHit != NULL && !cps->bookSuspend) {
7736 // make sure opponent is not going to reply after receiving move to book position
7737 SendToProgram("force\n", cps);
7738 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7740 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7741 // now arrange restart after book miss
7743 // after a book hit we never send 'go', and the code after the call to this routine
7744 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7745 char buf[MSG_SIZ], *move = bookHit;
7747 int fromX, fromY, toX, toY;
7751 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7752 &fromX, &fromY, &toX, &toY, &promoChar)) {
7753 (void) CoordsToAlgebraic(boards[forwardMostMove],
7754 PosFlags(forwardMostMove),
7755 fromY, fromX, toY, toX, promoChar, move);
7757 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7761 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7762 SendToProgram(buf, cps);
7763 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7764 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7765 SendToProgram("go\n", cps);
7766 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7767 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7768 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7769 SendToProgram("go\n", cps);
7770 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7772 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7776 ChessProgramState *savedState;
7778 DeferredBookMove (void)
7780 if(savedState->lastPing != savedState->lastPong)
7781 ScheduleDelayedEvent(DeferredBookMove, 10);
7783 HandleMachineMove(savedMessage, savedState);
7786 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7789 HandleMachineMove (char *message, ChessProgramState *cps)
7791 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7792 char realname[MSG_SIZ];
7793 int fromX, fromY, toX, toY;
7800 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7801 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7802 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7803 DisplayError(_("Invalid pairing from pairing engine"), 0);
7806 pairingReceived = 1;
7808 return; // Skim the pairing messages here.
7813 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7815 * Kludge to ignore BEL characters
7817 while (*message == '\007') message++;
7820 * [HGM] engine debug message: ignore lines starting with '#' character
7822 if(cps->debug && *message == '#') return;
7825 * Look for book output
7827 if (cps == &first && bookRequested) {
7828 if (message[0] == '\t' || message[0] == ' ') {
7829 /* Part of the book output is here; append it */
7830 strcat(bookOutput, message);
7831 strcat(bookOutput, " \n");
7833 } else if (bookOutput[0] != NULLCHAR) {
7834 /* All of book output has arrived; display it */
7835 char *p = bookOutput;
7836 while (*p != NULLCHAR) {
7837 if (*p == '\t') *p = ' ';
7840 DisplayInformation(bookOutput);
7841 bookRequested = FALSE;
7842 /* Fall through to parse the current output */
7847 * Look for machine move.
7849 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7850 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7852 /* This method is only useful on engines that support ping */
7853 if (cps->lastPing != cps->lastPong) {
7854 if (gameMode == BeginningOfGame) {
7855 /* Extra move from before last new; ignore */
7856 if (appData.debugMode) {
7857 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7860 if (appData.debugMode) {
7861 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7862 cps->which, gameMode);
7865 SendToProgram("undo\n", cps);
7871 case BeginningOfGame:
7872 /* Extra move from before last reset; ignore */
7873 if (appData.debugMode) {
7874 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7881 /* Extra move after we tried to stop. The mode test is
7882 not a reliable way of detecting this problem, but it's
7883 the best we can do on engines that don't support ping.
7885 if (appData.debugMode) {
7886 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7887 cps->which, gameMode);
7889 SendToProgram("undo\n", cps);
7892 case MachinePlaysWhite:
7893 case IcsPlayingWhite:
7894 machineWhite = TRUE;
7897 case MachinePlaysBlack:
7898 case IcsPlayingBlack:
7899 machineWhite = FALSE;
7902 case TwoMachinesPlay:
7903 machineWhite = (cps->twoMachinesColor[0] == 'w');
7906 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7907 if (appData.debugMode) {
7909 "Ignoring move out of turn by %s, gameMode %d"
7910 ", forwardMost %d\n",
7911 cps->which, gameMode, forwardMostMove);
7916 if(cps->alphaRank) AlphaRank(machineMove, 4);
7917 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7918 &fromX, &fromY, &toX, &toY, &promoChar)) {
7919 /* Machine move could not be parsed; ignore it. */
7920 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7921 machineMove, _(cps->which));
7922 DisplayError(buf1, 0);
7923 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7924 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7925 if (gameMode == TwoMachinesPlay) {
7926 GameEnds(machineWhite ? BlackWins : WhiteWins,
7932 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7933 /* So we have to redo legality test with true e.p. status here, */
7934 /* to make sure an illegal e.p. capture does not slip through, */
7935 /* to cause a forfeit on a justified illegal-move complaint */
7936 /* of the opponent. */
7937 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7939 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7940 fromY, fromX, toY, toX, promoChar);
7941 if(moveType == IllegalMove) {
7942 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7943 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7944 GameEnds(machineWhite ? BlackWins : WhiteWins,
7947 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7948 /* [HGM] Kludge to handle engines that send FRC-style castling
7949 when they shouldn't (like TSCP-Gothic) */
7951 case WhiteASideCastleFR:
7952 case BlackASideCastleFR:
7954 currentMoveString[2]++;
7956 case WhiteHSideCastleFR:
7957 case BlackHSideCastleFR:
7959 currentMoveString[2]--;
7961 default: ; // nothing to do, but suppresses warning of pedantic compilers
7964 hintRequested = FALSE;
7965 lastHint[0] = NULLCHAR;
7966 bookRequested = FALSE;
7967 /* Program may be pondering now */
7968 cps->maybeThinking = TRUE;
7969 if (cps->sendTime == 2) cps->sendTime = 1;
7970 if (cps->offeredDraw) cps->offeredDraw--;
7972 /* [AS] Save move info*/
7973 pvInfoList[ forwardMostMove ].score = programStats.score;
7974 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7975 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7977 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7979 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7980 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7983 while( count < adjudicateLossPlies ) {
7984 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7987 score = -score; /* Flip score for winning side */
7990 if( score > adjudicateLossThreshold ) {
7997 if( count >= adjudicateLossPlies ) {
7998 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8000 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8001 "Xboard adjudication",
8008 if(Adjudicate(cps)) {
8009 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8010 return; // [HGM] adjudicate: for all automatic game ends
8014 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8016 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8017 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8019 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8021 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8023 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8024 char buf[3*MSG_SIZ];
8026 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8027 programStats.score / 100.,
8029 programStats.time / 100.,
8030 (unsigned int)programStats.nodes,
8031 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8032 programStats.movelist);
8034 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8039 /* [AS] Clear stats for next move */
8040 ClearProgramStats();
8041 thinkOutput[0] = NULLCHAR;
8042 hiddenThinkOutputState = 0;
8045 if (gameMode == TwoMachinesPlay) {
8046 /* [HGM] relaying draw offers moved to after reception of move */
8047 /* and interpreting offer as claim if it brings draw condition */
8048 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8049 SendToProgram("draw\n", cps->other);
8051 if (cps->other->sendTime) {
8052 SendTimeRemaining(cps->other,
8053 cps->other->twoMachinesColor[0] == 'w');
8055 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8056 if (firstMove && !bookHit) {
8058 if (cps->other->useColors) {
8059 SendToProgram(cps->other->twoMachinesColor, cps->other);
8061 SendToProgram("go\n", cps->other);
8063 cps->other->maybeThinking = TRUE;
8066 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8068 if (!pausing && appData.ringBellAfterMoves) {
8073 * Reenable menu items that were disabled while
8074 * machine was thinking
8076 if (gameMode != TwoMachinesPlay)
8077 SetUserThinkingEnables();
8079 // [HGM] book: after book hit opponent has received move and is now in force mode
8080 // force the book reply into it, and then fake that it outputted this move by jumping
8081 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8083 static char bookMove[MSG_SIZ]; // a bit generous?
8085 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8086 strcat(bookMove, bookHit);
8089 programStats.nodes = programStats.depth = programStats.time =
8090 programStats.score = programStats.got_only_move = 0;
8091 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8093 if(cps->lastPing != cps->lastPong) {
8094 savedMessage = message; // args for deferred call
8096 ScheduleDelayedEvent(DeferredBookMove, 10);
8105 /* Set special modes for chess engines. Later something general
8106 * could be added here; for now there is just one kludge feature,
8107 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8108 * when "xboard" is given as an interactive command.
8110 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8111 cps->useSigint = FALSE;
8112 cps->useSigterm = FALSE;
8114 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8115 ParseFeatures(message+8, cps);
8116 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8119 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8120 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8121 int dummy, s=6; char buf[MSG_SIZ];
8122 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8123 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8124 if(startedFromSetupPosition) return;
8125 ParseFEN(boards[0], &dummy, message+s);
8126 DrawPosition(TRUE, boards[0]);
8127 startedFromSetupPosition = TRUE;
8130 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8131 * want this, I was asked to put it in, and obliged.
8133 if (!strncmp(message, "setboard ", 9)) {
8134 Board initial_position;
8136 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8138 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8139 DisplayError(_("Bad FEN received from engine"), 0);
8143 CopyBoard(boards[0], initial_position);
8144 initialRulePlies = FENrulePlies;
8145 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8146 else gameMode = MachinePlaysBlack;
8147 DrawPosition(FALSE, boards[currentMove]);
8153 * Look for communication commands
8155 if (!strncmp(message, "telluser ", 9)) {
8156 if(message[9] == '\\' && message[10] == '\\')
8157 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8159 DisplayNote(message + 9);
8162 if (!strncmp(message, "tellusererror ", 14)) {
8164 if(message[14] == '\\' && message[15] == '\\')
8165 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8167 DisplayError(message + 14, 0);
8170 if (!strncmp(message, "tellopponent ", 13)) {
8171 if (appData.icsActive) {
8173 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8177 DisplayNote(message + 13);
8181 if (!strncmp(message, "tellothers ", 11)) {
8182 if (appData.icsActive) {
8184 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8190 if (!strncmp(message, "tellall ", 8)) {
8191 if (appData.icsActive) {
8193 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8197 DisplayNote(message + 8);
8201 if (strncmp(message, "warning", 7) == 0) {
8202 /* Undocumented feature, use tellusererror in new code */
8203 DisplayError(message, 0);
8206 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8207 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8208 strcat(realname, " query");
8209 AskQuestion(realname, buf2, buf1, cps->pr);
8212 /* Commands from the engine directly to ICS. We don't allow these to be
8213 * sent until we are logged on. Crafty kibitzes have been known to
8214 * interfere with the login process.
8217 if (!strncmp(message, "tellics ", 8)) {
8218 SendToICS(message + 8);
8222 if (!strncmp(message, "tellicsnoalias ", 15)) {
8223 SendToICS(ics_prefix);
8224 SendToICS(message + 15);
8228 /* The following are for backward compatibility only */
8229 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8230 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8231 SendToICS(ics_prefix);
8237 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8241 * If the move is illegal, cancel it and redraw the board.
8242 * Also deal with other error cases. Matching is rather loose
8243 * here to accommodate engines written before the spec.
8245 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8246 strncmp(message, "Error", 5) == 0) {
8247 if (StrStr(message, "name") ||
8248 StrStr(message, "rating") || StrStr(message, "?") ||
8249 StrStr(message, "result") || StrStr(message, "board") ||
8250 StrStr(message, "bk") || StrStr(message, "computer") ||
8251 StrStr(message, "variant") || StrStr(message, "hint") ||
8252 StrStr(message, "random") || StrStr(message, "depth") ||
8253 StrStr(message, "accepted")) {
8256 if (StrStr(message, "protover")) {
8257 /* Program is responding to input, so it's apparently done
8258 initializing, and this error message indicates it is
8259 protocol version 1. So we don't need to wait any longer
8260 for it to initialize and send feature commands. */
8261 FeatureDone(cps, 1);
8262 cps->protocolVersion = 1;
8265 cps->maybeThinking = FALSE;
8267 if (StrStr(message, "draw")) {
8268 /* Program doesn't have "draw" command */
8269 cps->sendDrawOffers = 0;
8272 if (cps->sendTime != 1 &&
8273 (StrStr(message, "time") || StrStr(message, "otim"))) {
8274 /* Program apparently doesn't have "time" or "otim" command */
8278 if (StrStr(message, "analyze")) {
8279 cps->analysisSupport = FALSE;
8280 cps->analyzing = FALSE;
8281 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8282 EditGameEvent(); // [HGM] try to preserve loaded game
8283 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8284 DisplayError(buf2, 0);
8287 if (StrStr(message, "(no matching move)st")) {
8288 /* Special kludge for GNU Chess 4 only */
8289 cps->stKludge = TRUE;
8290 SendTimeControl(cps, movesPerSession, timeControl,
8291 timeIncrement, appData.searchDepth,
8295 if (StrStr(message, "(no matching move)sd")) {
8296 /* Special kludge for GNU Chess 4 only */
8297 cps->sdKludge = TRUE;
8298 SendTimeControl(cps, movesPerSession, timeControl,
8299 timeIncrement, appData.searchDepth,
8303 if (!StrStr(message, "llegal")) {
8306 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8307 gameMode == IcsIdle) return;
8308 if (forwardMostMove <= backwardMostMove) return;
8309 if (pausing) PauseEvent();
8310 if(appData.forceIllegal) {
8311 // [HGM] illegal: machine refused move; force position after move into it
8312 SendToProgram("force\n", cps);
8313 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8314 // we have a real problem now, as SendBoard will use the a2a3 kludge
8315 // when black is to move, while there might be nothing on a2 or black
8316 // might already have the move. So send the board as if white has the move.
8317 // But first we must change the stm of the engine, as it refused the last move
8318 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8319 if(WhiteOnMove(forwardMostMove)) {
8320 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8321 SendBoard(cps, forwardMostMove); // kludgeless board
8323 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8324 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8325 SendBoard(cps, forwardMostMove+1); // kludgeless board
8327 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8328 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8329 gameMode == TwoMachinesPlay)
8330 SendToProgram("go\n", cps);
8333 if (gameMode == PlayFromGameFile) {
8334 /* Stop reading this game file */
8335 gameMode = EditGame;
8338 /* [HGM] illegal-move claim should forfeit game when Xboard */
8339 /* only passes fully legal moves */
8340 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8341 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8342 "False illegal-move claim", GE_XBOARD );
8343 return; // do not take back move we tested as valid
8345 currentMove = forwardMostMove-1;
8346 DisplayMove(currentMove-1); /* before DisplayMoveError */
8347 SwitchClocks(forwardMostMove-1); // [HGM] race
8348 DisplayBothClocks();
8349 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8350 parseList[currentMove], _(cps->which));
8351 DisplayMoveError(buf1);
8352 DrawPosition(FALSE, boards[currentMove]);
8354 SetUserThinkingEnables();
8357 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8358 /* Program has a broken "time" command that
8359 outputs a string not ending in newline.
8365 * If chess program startup fails, exit with an error message.
8366 * Attempts to recover here are futile. [HGM] Well, we try anyway
8368 if ((StrStr(message, "unknown host") != NULL)
8369 || (StrStr(message, "No remote directory") != NULL)
8370 || (StrStr(message, "not found") != NULL)
8371 || (StrStr(message, "No such file") != NULL)
8372 || (StrStr(message, "can't alloc") != NULL)
8373 || (StrStr(message, "Permission denied") != NULL)) {
8375 cps->maybeThinking = FALSE;
8376 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8377 _(cps->which), cps->program, cps->host, message);
8378 RemoveInputSource(cps->isr);
8379 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8381 appData.noChessProgram = TRUE;
8382 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8383 gameMode = BeginningOfGame; ModeHighlight();
8386 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8387 DisplayMessage("", ""); // erase waiting message
8388 DisplayError(buf1, 0);
8394 * Look for hint output
8396 if (sscanf(message, "Hint: %s", buf1) == 1) {
8397 if (cps == &first && hintRequested) {
8398 hintRequested = FALSE;
8399 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8400 &fromX, &fromY, &toX, &toY, &promoChar)) {
8401 (void) CoordsToAlgebraic(boards[forwardMostMove],
8402 PosFlags(forwardMostMove),
8403 fromY, fromX, toY, toX, promoChar, buf1);
8404 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8405 DisplayInformation(buf2);
8407 /* Hint move could not be parsed!? */
8408 snprintf(buf2, sizeof(buf2),
8409 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8410 buf1, _(cps->which));
8411 DisplayError(buf2, 0);
8414 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8420 * Ignore other messages if game is not in progress
8422 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8423 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8426 * look for win, lose, draw, or draw offer
8428 if (strncmp(message, "1-0", 3) == 0) {
8429 char *p, *q, *r = "";
8430 p = strchr(message, '{');
8438 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8440 } else if (strncmp(message, "0-1", 3) == 0) {
8441 char *p, *q, *r = "";
8442 p = strchr(message, '{');
8450 /* Kludge for Arasan 4.1 bug */
8451 if (strcmp(r, "Black resigns") == 0) {
8452 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8455 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8457 } else if (strncmp(message, "1/2", 3) == 0) {
8458 char *p, *q, *r = "";
8459 p = strchr(message, '{');
8468 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8471 } else if (strncmp(message, "White resign", 12) == 0) {
8472 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8474 } else if (strncmp(message, "Black resign", 12) == 0) {
8475 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8477 } else if (strncmp(message, "White matches", 13) == 0 ||
8478 strncmp(message, "Black matches", 13) == 0 ) {
8479 /* [HGM] ignore GNUShogi noises */
8481 } else if (strncmp(message, "White", 5) == 0 &&
8482 message[5] != '(' &&
8483 StrStr(message, "Black") == NULL) {
8484 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8486 } else if (strncmp(message, "Black", 5) == 0 &&
8487 message[5] != '(') {
8488 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8490 } else if (strcmp(message, "resign") == 0 ||
8491 strcmp(message, "computer resigns") == 0) {
8493 case MachinePlaysBlack:
8494 case IcsPlayingBlack:
8495 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8497 case MachinePlaysWhite:
8498 case IcsPlayingWhite:
8499 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8501 case TwoMachinesPlay:
8502 if (cps->twoMachinesColor[0] == 'w')
8503 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8505 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8512 } else if (strncmp(message, "opponent mates", 14) == 0) {
8514 case MachinePlaysBlack:
8515 case IcsPlayingBlack:
8516 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8518 case MachinePlaysWhite:
8519 case IcsPlayingWhite:
8520 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8522 case TwoMachinesPlay:
8523 if (cps->twoMachinesColor[0] == 'w')
8524 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8526 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8533 } else if (strncmp(message, "computer mates", 14) == 0) {
8535 case MachinePlaysBlack:
8536 case IcsPlayingBlack:
8537 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8539 case MachinePlaysWhite:
8540 case IcsPlayingWhite:
8541 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8543 case TwoMachinesPlay:
8544 if (cps->twoMachinesColor[0] == 'w')
8545 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8547 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8554 } else if (strncmp(message, "checkmate", 9) == 0) {
8555 if (WhiteOnMove(forwardMostMove)) {
8556 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8558 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8561 } else if (strstr(message, "Draw") != NULL ||
8562 strstr(message, "game is a draw") != NULL) {
8563 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8565 } else if (strstr(message, "offer") != NULL &&
8566 strstr(message, "draw") != NULL) {
8568 if (appData.zippyPlay && first.initDone) {
8569 /* Relay offer to ICS */
8570 SendToICS(ics_prefix);
8571 SendToICS("draw\n");
8574 cps->offeredDraw = 2; /* valid until this engine moves twice */
8575 if (gameMode == TwoMachinesPlay) {
8576 if (cps->other->offeredDraw) {
8577 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8578 /* [HGM] in two-machine mode we delay relaying draw offer */
8579 /* until after we also have move, to see if it is really claim */
8581 } else if (gameMode == MachinePlaysWhite ||
8582 gameMode == MachinePlaysBlack) {
8583 if (userOfferedDraw) {
8584 DisplayInformation(_("Machine accepts your draw offer"));
8585 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8587 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8594 * Look for thinking output
8596 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8597 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8599 int plylev, mvleft, mvtot, curscore, time;
8600 char mvname[MOVE_LEN];
8604 int prefixHint = FALSE;
8605 mvname[0] = NULLCHAR;
8608 case MachinePlaysBlack:
8609 case IcsPlayingBlack:
8610 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8612 case MachinePlaysWhite:
8613 case IcsPlayingWhite:
8614 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8619 case IcsObserving: /* [DM] icsEngineAnalyze */
8620 if (!appData.icsEngineAnalyze) ignore = TRUE;
8622 case TwoMachinesPlay:
8623 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8633 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8635 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8636 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8638 if (plyext != ' ' && plyext != '\t') {
8642 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8643 if( cps->scoreIsAbsolute &&
8644 ( gameMode == MachinePlaysBlack ||
8645 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8646 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8647 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8648 !WhiteOnMove(currentMove)
8651 curscore = -curscore;
8654 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8656 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8659 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8660 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8661 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8662 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8663 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8664 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8666 } else DisplayError(_("failed writing PV"), 0);
8669 tempStats.depth = plylev;
8670 tempStats.nodes = nodes;
8671 tempStats.time = time;
8672 tempStats.score = curscore;
8673 tempStats.got_only_move = 0;
8675 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8678 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8679 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8680 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8681 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8682 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8683 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8684 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8685 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8688 /* Buffer overflow protection */
8689 if (pv[0] != NULLCHAR) {
8690 if (strlen(pv) >= sizeof(tempStats.movelist)
8691 && appData.debugMode) {
8693 "PV is too long; using the first %u bytes.\n",
8694 (unsigned) sizeof(tempStats.movelist) - 1);
8697 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8699 sprintf(tempStats.movelist, " no PV\n");
8702 if (tempStats.seen_stat) {
8703 tempStats.ok_to_send = 1;
8706 if (strchr(tempStats.movelist, '(') != NULL) {
8707 tempStats.line_is_book = 1;
8708 tempStats.nr_moves = 0;
8709 tempStats.moves_left = 0;
8711 tempStats.line_is_book = 0;
8714 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8715 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8717 SendProgramStatsToFrontend( cps, &tempStats );
8720 [AS] Protect the thinkOutput buffer from overflow... this
8721 is only useful if buf1 hasn't overflowed first!
8723 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8725 (gameMode == TwoMachinesPlay ?
8726 ToUpper(cps->twoMachinesColor[0]) : ' '),
8727 ((double) curscore) / 100.0,
8728 prefixHint ? lastHint : "",
8729 prefixHint ? " " : "" );
8731 if( buf1[0] != NULLCHAR ) {
8732 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8734 if( strlen(pv) > max_len ) {
8735 if( appData.debugMode) {
8736 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8738 pv[max_len+1] = '\0';
8741 strcat( thinkOutput, pv);
8744 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8745 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8746 DisplayMove(currentMove - 1);
8750 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8751 /* crafty (9.25+) says "(only move) <move>"
8752 * if there is only 1 legal move
8754 sscanf(p, "(only move) %s", buf1);
8755 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8756 sprintf(programStats.movelist, "%s (only move)", buf1);
8757 programStats.depth = 1;
8758 programStats.nr_moves = 1;
8759 programStats.moves_left = 1;
8760 programStats.nodes = 1;
8761 programStats.time = 1;
8762 programStats.got_only_move = 1;
8764 /* Not really, but we also use this member to
8765 mean "line isn't going to change" (Crafty
8766 isn't searching, so stats won't change) */
8767 programStats.line_is_book = 1;
8769 SendProgramStatsToFrontend( cps, &programStats );
8771 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8772 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8773 DisplayMove(currentMove - 1);
8776 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8777 &time, &nodes, &plylev, &mvleft,
8778 &mvtot, mvname) >= 5) {
8779 /* The stat01: line is from Crafty (9.29+) in response
8780 to the "." command */
8781 programStats.seen_stat = 1;
8782 cps->maybeThinking = TRUE;
8784 if (programStats.got_only_move || !appData.periodicUpdates)
8787 programStats.depth = plylev;
8788 programStats.time = time;
8789 programStats.nodes = nodes;
8790 programStats.moves_left = mvleft;
8791 programStats.nr_moves = mvtot;
8792 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8793 programStats.ok_to_send = 1;
8794 programStats.movelist[0] = '\0';
8796 SendProgramStatsToFrontend( cps, &programStats );
8800 } else if (strncmp(message,"++",2) == 0) {
8801 /* Crafty 9.29+ outputs this */
8802 programStats.got_fail = 2;
8805 } else if (strncmp(message,"--",2) == 0) {
8806 /* Crafty 9.29+ outputs this */
8807 programStats.got_fail = 1;
8810 } else if (thinkOutput[0] != NULLCHAR &&
8811 strncmp(message, " ", 4) == 0) {
8812 unsigned message_len;
8815 while (*p && *p == ' ') p++;
8817 message_len = strlen( p );
8819 /* [AS] Avoid buffer overflow */
8820 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8821 strcat(thinkOutput, " ");
8822 strcat(thinkOutput, p);
8825 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8826 strcat(programStats.movelist, " ");
8827 strcat(programStats.movelist, p);
8830 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8831 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8832 DisplayMove(currentMove - 1);
8840 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8841 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8843 ChessProgramStats cpstats;
8845 if (plyext != ' ' && plyext != '\t') {
8849 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8850 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8851 curscore = -curscore;
8854 cpstats.depth = plylev;
8855 cpstats.nodes = nodes;
8856 cpstats.time = time;
8857 cpstats.score = curscore;
8858 cpstats.got_only_move = 0;
8859 cpstats.movelist[0] = '\0';
8861 if (buf1[0] != NULLCHAR) {
8862 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8865 cpstats.ok_to_send = 0;
8866 cpstats.line_is_book = 0;
8867 cpstats.nr_moves = 0;
8868 cpstats.moves_left = 0;
8870 SendProgramStatsToFrontend( cps, &cpstats );
8877 /* Parse a game score from the character string "game", and
8878 record it as the history of the current game. The game
8879 score is NOT assumed to start from the standard position.
8880 The display is not updated in any way.
8883 ParseGameHistory (char *game)
8886 int fromX, fromY, toX, toY, boardIndex;
8891 if (appData.debugMode)
8892 fprintf(debugFP, "Parsing game history: %s\n", game);
8894 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8895 gameInfo.site = StrSave(appData.icsHost);
8896 gameInfo.date = PGNDate();
8897 gameInfo.round = StrSave("-");
8899 /* Parse out names of players */
8900 while (*game == ' ') game++;
8902 while (*game != ' ') *p++ = *game++;
8904 gameInfo.white = StrSave(buf);
8905 while (*game == ' ') game++;
8907 while (*game != ' ' && *game != '\n') *p++ = *game++;
8909 gameInfo.black = StrSave(buf);
8912 boardIndex = blackPlaysFirst ? 1 : 0;
8915 yyboardindex = boardIndex;
8916 moveType = (ChessMove) Myylex();
8918 case IllegalMove: /* maybe suicide chess, etc. */
8919 if (appData.debugMode) {
8920 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8921 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8922 setbuf(debugFP, NULL);
8924 case WhitePromotion:
8925 case BlackPromotion:
8926 case WhiteNonPromotion:
8927 case BlackNonPromotion:
8929 case WhiteCapturesEnPassant:
8930 case BlackCapturesEnPassant:
8931 case WhiteKingSideCastle:
8932 case WhiteQueenSideCastle:
8933 case BlackKingSideCastle:
8934 case BlackQueenSideCastle:
8935 case WhiteKingSideCastleWild:
8936 case WhiteQueenSideCastleWild:
8937 case BlackKingSideCastleWild:
8938 case BlackQueenSideCastleWild:
8940 case WhiteHSideCastleFR:
8941 case WhiteASideCastleFR:
8942 case BlackHSideCastleFR:
8943 case BlackASideCastleFR:
8945 fromX = currentMoveString[0] - AAA;
8946 fromY = currentMoveString[1] - ONE;
8947 toX = currentMoveString[2] - AAA;
8948 toY = currentMoveString[3] - ONE;
8949 promoChar = currentMoveString[4];
8953 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8954 fromX = moveType == WhiteDrop ?
8955 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8956 (int) CharToPiece(ToLower(currentMoveString[0]));
8958 toX = currentMoveString[2] - AAA;
8959 toY = currentMoveString[3] - ONE;
8960 promoChar = NULLCHAR;
8964 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8965 if (appData.debugMode) {
8966 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8967 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8968 setbuf(debugFP, NULL);
8970 DisplayError(buf, 0);
8972 case ImpossibleMove:
8974 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8975 if (appData.debugMode) {
8976 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8977 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8978 setbuf(debugFP, NULL);
8980 DisplayError(buf, 0);
8983 if (boardIndex < backwardMostMove) {
8984 /* Oops, gap. How did that happen? */
8985 DisplayError(_("Gap in move list"), 0);
8988 backwardMostMove = blackPlaysFirst ? 1 : 0;
8989 if (boardIndex > forwardMostMove) {
8990 forwardMostMove = boardIndex;
8994 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8995 strcat(parseList[boardIndex-1], " ");
8996 strcat(parseList[boardIndex-1], yy_text);
9008 case GameUnfinished:
9009 if (gameMode == IcsExamining) {
9010 if (boardIndex < backwardMostMove) {
9011 /* Oops, gap. How did that happen? */
9014 backwardMostMove = blackPlaysFirst ? 1 : 0;
9017 gameInfo.result = moveType;
9018 p = strchr(yy_text, '{');
9019 if (p == NULL) p = strchr(yy_text, '(');
9022 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9024 q = strchr(p, *p == '{' ? '}' : ')');
9025 if (q != NULL) *q = NULLCHAR;
9028 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9029 gameInfo.resultDetails = StrSave(p);
9032 if (boardIndex >= forwardMostMove &&
9033 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9034 backwardMostMove = blackPlaysFirst ? 1 : 0;
9037 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9038 fromY, fromX, toY, toX, promoChar,
9039 parseList[boardIndex]);
9040 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9041 /* currentMoveString is set as a side-effect of yylex */
9042 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9043 strcat(moveList[boardIndex], "\n");
9045 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9046 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9052 if(gameInfo.variant != VariantShogi)
9053 strcat(parseList[boardIndex - 1], "+");
9057 strcat(parseList[boardIndex - 1], "#");
9064 /* Apply a move to the given board */
9066 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9068 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9069 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9071 /* [HGM] compute & store e.p. status and castling rights for new position */
9072 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9074 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9075 oldEP = (signed char)board[EP_STATUS];
9076 board[EP_STATUS] = EP_NONE;
9078 if (fromY == DROP_RANK) {
9080 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9081 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9084 piece = board[toY][toX] = (ChessSquare) fromX;
9088 if( board[toY][toX] != EmptySquare )
9089 board[EP_STATUS] = EP_CAPTURE;
9091 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9092 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9093 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9095 if( board[fromY][fromX] == WhitePawn ) {
9096 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9097 board[EP_STATUS] = EP_PAWN_MOVE;
9099 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9100 gameInfo.variant != VariantBerolina || toX < fromX)
9101 board[EP_STATUS] = toX | berolina;
9102 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9103 gameInfo.variant != VariantBerolina || toX > fromX)
9104 board[EP_STATUS] = toX;
9107 if( board[fromY][fromX] == BlackPawn ) {
9108 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9109 board[EP_STATUS] = EP_PAWN_MOVE;
9110 if( toY-fromY== -2) {
9111 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9112 gameInfo.variant != VariantBerolina || toX < fromX)
9113 board[EP_STATUS] = toX | berolina;
9114 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9115 gameInfo.variant != VariantBerolina || toX > fromX)
9116 board[EP_STATUS] = toX;
9120 for(i=0; i<nrCastlingRights; i++) {
9121 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9122 board[CASTLING][i] == toX && castlingRank[i] == toY
9123 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9126 if (fromX == toX && fromY == toY) return;
9128 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9129 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9130 if(gameInfo.variant == VariantKnightmate)
9131 king += (int) WhiteUnicorn - (int) WhiteKing;
9133 /* Code added by Tord: */
9134 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9135 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9136 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9137 board[fromY][fromX] = EmptySquare;
9138 board[toY][toX] = EmptySquare;
9139 if((toX > fromX) != (piece == WhiteRook)) {
9140 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9142 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9144 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9145 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9146 board[fromY][fromX] = EmptySquare;
9147 board[toY][toX] = EmptySquare;
9148 if((toX > fromX) != (piece == BlackRook)) {
9149 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9151 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9153 /* End of code added by Tord */
9155 } else if (board[fromY][fromX] == king
9156 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9157 && toY == fromY && toX > fromX+1) {
9158 board[fromY][fromX] = EmptySquare;
9159 board[toY][toX] = king;
9160 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9161 board[fromY][BOARD_RGHT-1] = EmptySquare;
9162 } else if (board[fromY][fromX] == king
9163 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9164 && toY == fromY && toX < fromX-1) {
9165 board[fromY][fromX] = EmptySquare;
9166 board[toY][toX] = king;
9167 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9168 board[fromY][BOARD_LEFT] = EmptySquare;
9169 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9170 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9171 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9173 /* white pawn promotion */
9174 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9175 if(gameInfo.variant==VariantBughouse ||
9176 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9177 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9178 board[fromY][fromX] = EmptySquare;
9179 } else if ((fromY >= BOARD_HEIGHT>>1)
9181 && gameInfo.variant != VariantXiangqi
9182 && gameInfo.variant != VariantBerolina
9183 && (board[fromY][fromX] == WhitePawn)
9184 && (board[toY][toX] == EmptySquare)) {
9185 board[fromY][fromX] = EmptySquare;
9186 board[toY][toX] = WhitePawn;
9187 captured = board[toY - 1][toX];
9188 board[toY - 1][toX] = EmptySquare;
9189 } else if ((fromY == BOARD_HEIGHT-4)
9191 && gameInfo.variant == VariantBerolina
9192 && (board[fromY][fromX] == WhitePawn)
9193 && (board[toY][toX] == EmptySquare)) {
9194 board[fromY][fromX] = EmptySquare;
9195 board[toY][toX] = WhitePawn;
9196 if(oldEP & EP_BEROLIN_A) {
9197 captured = board[fromY][fromX-1];
9198 board[fromY][fromX-1] = EmptySquare;
9199 }else{ captured = board[fromY][fromX+1];
9200 board[fromY][fromX+1] = EmptySquare;
9202 } else if (board[fromY][fromX] == king
9203 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9204 && toY == fromY && toX > fromX+1) {
9205 board[fromY][fromX] = EmptySquare;
9206 board[toY][toX] = king;
9207 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9208 board[fromY][BOARD_RGHT-1] = EmptySquare;
9209 } else if (board[fromY][fromX] == king
9210 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9211 && toY == fromY && toX < fromX-1) {
9212 board[fromY][fromX] = EmptySquare;
9213 board[toY][toX] = king;
9214 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9215 board[fromY][BOARD_LEFT] = EmptySquare;
9216 } else if (fromY == 7 && fromX == 3
9217 && board[fromY][fromX] == BlackKing
9218 && toY == 7 && toX == 5) {
9219 board[fromY][fromX] = EmptySquare;
9220 board[toY][toX] = BlackKing;
9221 board[fromY][7] = EmptySquare;
9222 board[toY][4] = BlackRook;
9223 } else if (fromY == 7 && fromX == 3
9224 && board[fromY][fromX] == BlackKing
9225 && toY == 7 && toX == 1) {
9226 board[fromY][fromX] = EmptySquare;
9227 board[toY][toX] = BlackKing;
9228 board[fromY][0] = EmptySquare;
9229 board[toY][2] = BlackRook;
9230 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9231 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9232 && toY < promoRank && promoChar
9234 /* black pawn promotion */
9235 board[toY][toX] = CharToPiece(ToLower(promoChar));
9236 if(gameInfo.variant==VariantBughouse ||
9237 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9238 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9239 board[fromY][fromX] = EmptySquare;
9240 } else if ((fromY < BOARD_HEIGHT>>1)
9242 && gameInfo.variant != VariantXiangqi
9243 && gameInfo.variant != VariantBerolina
9244 && (board[fromY][fromX] == BlackPawn)
9245 && (board[toY][toX] == EmptySquare)) {
9246 board[fromY][fromX] = EmptySquare;
9247 board[toY][toX] = BlackPawn;
9248 captured = board[toY + 1][toX];
9249 board[toY + 1][toX] = EmptySquare;
9250 } else if ((fromY == 3)
9252 && gameInfo.variant == VariantBerolina
9253 && (board[fromY][fromX] == BlackPawn)
9254 && (board[toY][toX] == EmptySquare)) {
9255 board[fromY][fromX] = EmptySquare;
9256 board[toY][toX] = BlackPawn;
9257 if(oldEP & EP_BEROLIN_A) {
9258 captured = board[fromY][fromX-1];
9259 board[fromY][fromX-1] = EmptySquare;
9260 }else{ captured = board[fromY][fromX+1];
9261 board[fromY][fromX+1] = EmptySquare;
9264 board[toY][toX] = board[fromY][fromX];
9265 board[fromY][fromX] = EmptySquare;
9269 if (gameInfo.holdingsWidth != 0) {
9271 /* !!A lot more code needs to be written to support holdings */
9272 /* [HGM] OK, so I have written it. Holdings are stored in the */
9273 /* penultimate board files, so they are automaticlly stored */
9274 /* in the game history. */
9275 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9276 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9277 /* Delete from holdings, by decreasing count */
9278 /* and erasing image if necessary */
9279 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9280 if(p < (int) BlackPawn) { /* white drop */
9281 p -= (int)WhitePawn;
9282 p = PieceToNumber((ChessSquare)p);
9283 if(p >= gameInfo.holdingsSize) p = 0;
9284 if(--board[p][BOARD_WIDTH-2] <= 0)
9285 board[p][BOARD_WIDTH-1] = EmptySquare;
9286 if((int)board[p][BOARD_WIDTH-2] < 0)
9287 board[p][BOARD_WIDTH-2] = 0;
9288 } else { /* black drop */
9289 p -= (int)BlackPawn;
9290 p = PieceToNumber((ChessSquare)p);
9291 if(p >= gameInfo.holdingsSize) p = 0;
9292 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9293 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9294 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9295 board[BOARD_HEIGHT-1-p][1] = 0;
9298 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9299 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9300 /* [HGM] holdings: Add to holdings, if holdings exist */
9301 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9302 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9303 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9306 if (p >= (int) BlackPawn) {
9307 p -= (int)BlackPawn;
9308 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9309 /* in Shogi restore piece to its original first */
9310 captured = (ChessSquare) (DEMOTED captured);
9313 p = PieceToNumber((ChessSquare)p);
9314 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9315 board[p][BOARD_WIDTH-2]++;
9316 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9318 p -= (int)WhitePawn;
9319 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9320 captured = (ChessSquare) (DEMOTED captured);
9323 p = PieceToNumber((ChessSquare)p);
9324 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9325 board[BOARD_HEIGHT-1-p][1]++;
9326 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9329 } else if (gameInfo.variant == VariantAtomic) {
9330 if (captured != EmptySquare) {
9332 for (y = toY-1; y <= toY+1; y++) {
9333 for (x = toX-1; x <= toX+1; x++) {
9334 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9335 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9336 board[y][x] = EmptySquare;
9340 board[toY][toX] = EmptySquare;
9343 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9344 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9346 if(promoChar == '+') {
9347 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9348 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9349 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9350 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9352 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9353 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9354 // [HGM] superchess: take promotion piece out of holdings
9355 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9356 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9357 if(!--board[k][BOARD_WIDTH-2])
9358 board[k][BOARD_WIDTH-1] = EmptySquare;
9360 if(!--board[BOARD_HEIGHT-1-k][1])
9361 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9367 /* Updates forwardMostMove */
9369 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9371 // forwardMostMove++; // [HGM] bare: moved downstream
9373 (void) CoordsToAlgebraic(boards[forwardMostMove],
9374 PosFlags(forwardMostMove),
9375 fromY, fromX, toY, toX, promoChar,
9376 parseList[forwardMostMove]);
9378 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9379 int timeLeft; static int lastLoadFlag=0; int king, piece;
9380 piece = boards[forwardMostMove][fromY][fromX];
9381 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9382 if(gameInfo.variant == VariantKnightmate)
9383 king += (int) WhiteUnicorn - (int) WhiteKing;
9384 if(forwardMostMove == 0) {
9385 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9386 fprintf(serverMoves, "%s;", UserName());
9387 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9388 fprintf(serverMoves, "%s;", second.tidy);
9389 fprintf(serverMoves, "%s;", first.tidy);
9390 if(gameMode == MachinePlaysWhite)
9391 fprintf(serverMoves, "%s;", UserName());
9392 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9393 fprintf(serverMoves, "%s;", second.tidy);
9394 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9395 lastLoadFlag = loadFlag;
9397 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9398 // print castling suffix
9399 if( toY == fromY && piece == king ) {
9401 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9403 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9406 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9407 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9408 boards[forwardMostMove][toY][toX] == EmptySquare
9409 && fromX != toX && fromY != toY)
9410 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9412 if(promoChar != NULLCHAR)
9413 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9415 char buf[MOVE_LEN*2], *p; int len;
9416 fprintf(serverMoves, "/%d/%d",
9417 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9418 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9419 else timeLeft = blackTimeRemaining/1000;
9420 fprintf(serverMoves, "/%d", timeLeft);
9421 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9422 if(p = strchr(buf, '=')) *p = NULLCHAR;
9423 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9424 fprintf(serverMoves, "/%s", buf);
9426 fflush(serverMoves);
9429 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9430 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9433 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9434 if (commentList[forwardMostMove+1] != NULL) {
9435 free(commentList[forwardMostMove+1]);
9436 commentList[forwardMostMove+1] = NULL;
9438 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9439 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9440 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9441 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9442 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9443 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9444 adjustedClock = FALSE;
9445 gameInfo.result = GameUnfinished;
9446 if (gameInfo.resultDetails != NULL) {
9447 free(gameInfo.resultDetails);
9448 gameInfo.resultDetails = NULL;
9450 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9451 moveList[forwardMostMove - 1]);
9452 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9458 if(gameInfo.variant != VariantShogi)
9459 strcat(parseList[forwardMostMove - 1], "+");
9463 strcat(parseList[forwardMostMove - 1], "#");
9469 /* Updates currentMove if not pausing */
9471 ShowMove (int fromX, int fromY, int toX, int toY)
9473 int instant = (gameMode == PlayFromGameFile) ?
9474 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9475 if(appData.noGUI) return;
9476 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9478 if (forwardMostMove == currentMove + 1) {
9479 AnimateMove(boards[forwardMostMove - 1],
9480 fromX, fromY, toX, toY);
9482 if (appData.highlightLastMove) {
9483 SetHighlights(fromX, fromY, toX, toY);
9486 currentMove = forwardMostMove;
9489 if (instant) return;
9491 DisplayMove(currentMove - 1);
9492 DrawPosition(FALSE, boards[currentMove]);
9493 DisplayBothClocks();
9494 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9498 SendEgtPath (ChessProgramState *cps)
9499 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9500 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9502 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9505 char c, *q = name+1, *r, *s;
9507 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9508 while(*p && *p != ',') *q++ = *p++;
9510 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9511 strcmp(name, ",nalimov:") == 0 ) {
9512 // take nalimov path from the menu-changeable option first, if it is defined
9513 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9514 SendToProgram(buf,cps); // send egtbpath command for nalimov
9516 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9517 (s = StrStr(appData.egtFormats, name)) != NULL) {
9518 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9519 s = r = StrStr(s, ":") + 1; // beginning of path info
9520 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9521 c = *r; *r = 0; // temporarily null-terminate path info
9522 *--q = 0; // strip of trailig ':' from name
9523 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9525 SendToProgram(buf,cps); // send egtbpath command for this format
9527 if(*p == ',') p++; // read away comma to position for next format name
9532 InitChessProgram (ChessProgramState *cps, int setup)
9533 /* setup needed to setup FRC opening position */
9535 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9536 if (appData.noChessProgram) return;
9537 hintRequested = FALSE;
9538 bookRequested = FALSE;
9540 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9541 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9542 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9543 if(cps->memSize) { /* [HGM] memory */
9544 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9545 SendToProgram(buf, cps);
9547 SendEgtPath(cps); /* [HGM] EGT */
9548 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9549 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9550 SendToProgram(buf, cps);
9553 SendToProgram(cps->initString, cps);
9554 if (gameInfo.variant != VariantNormal &&
9555 gameInfo.variant != VariantLoadable
9556 /* [HGM] also send variant if board size non-standard */
9557 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9559 char *v = VariantName(gameInfo.variant);
9560 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9561 /* [HGM] in protocol 1 we have to assume all variants valid */
9562 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9563 DisplayFatalError(buf, 0, 1);
9567 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9568 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9569 if( gameInfo.variant == VariantXiangqi )
9570 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9571 if( gameInfo.variant == VariantShogi )
9572 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9573 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9574 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9575 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9576 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9577 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9578 if( gameInfo.variant == VariantCourier )
9579 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9580 if( gameInfo.variant == VariantSuper )
9581 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9582 if( gameInfo.variant == VariantGreat )
9583 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9584 if( gameInfo.variant == VariantSChess )
9585 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9586 if( gameInfo.variant == VariantGrand )
9587 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9590 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9591 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9592 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9593 if(StrStr(cps->variants, b) == NULL) {
9594 // specific sized variant not known, check if general sizing allowed
9595 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9596 if(StrStr(cps->variants, "boardsize") == NULL) {
9597 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9598 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9599 DisplayFatalError(buf, 0, 1);
9602 /* [HGM] here we really should compare with the maximum supported board size */
9605 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9606 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9607 SendToProgram(buf, cps);
9609 currentlyInitializedVariant = gameInfo.variant;
9611 /* [HGM] send opening position in FRC to first engine */
9613 SendToProgram("force\n", cps);
9615 /* engine is now in force mode! Set flag to wake it up after first move. */
9616 setboardSpoiledMachineBlack = 1;
9620 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9621 SendToProgram(buf, cps);
9623 cps->maybeThinking = FALSE;
9624 cps->offeredDraw = 0;
9625 if (!appData.icsActive) {
9626 SendTimeControl(cps, movesPerSession, timeControl,
9627 timeIncrement, appData.searchDepth,
9630 if (appData.showThinking
9631 // [HGM] thinking: four options require thinking output to be sent
9632 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9634 SendToProgram("post\n", cps);
9636 SendToProgram("hard\n", cps);
9637 if (!appData.ponderNextMove) {
9638 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9639 it without being sure what state we are in first. "hard"
9640 is not a toggle, so that one is OK.
9642 SendToProgram("easy\n", cps);
9645 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9646 SendToProgram(buf, cps);
9648 cps->initDone = TRUE;
9649 ClearEngineOutputPane(cps == &second);
9654 StartChessProgram (ChessProgramState *cps)
9659 if (appData.noChessProgram) return;
9660 cps->initDone = FALSE;
9662 if (strcmp(cps->host, "localhost") == 0) {
9663 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9664 } else if (*appData.remoteShell == NULLCHAR) {
9665 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9667 if (*appData.remoteUser == NULLCHAR) {
9668 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9671 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9672 cps->host, appData.remoteUser, cps->program);
9674 err = StartChildProcess(buf, "", &cps->pr);
9678 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9679 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9680 if(cps != &first) return;
9681 appData.noChessProgram = TRUE;
9684 // DisplayFatalError(buf, err, 1);
9685 // cps->pr = NoProc;
9690 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9691 if (cps->protocolVersion > 1) {
9692 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9693 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9694 cps->comboCnt = 0; // and values of combo boxes
9695 SendToProgram(buf, cps);
9697 SendToProgram("xboard\n", cps);
9702 TwoMachinesEventIfReady P((void))
9704 static int curMess = 0;
9705 if (first.lastPing != first.lastPong) {
9706 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9707 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9710 if (second.lastPing != second.lastPong) {
9711 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9712 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9715 DisplayMessage("", ""); curMess = 0;
9721 MakeName (char *template)
9725 static char buf[MSG_SIZ];
9729 clock = time((time_t *)NULL);
9730 tm = localtime(&clock);
9732 while(*p++ = *template++) if(p[-1] == '%') {
9733 switch(*template++) {
9734 case 0: *p = 0; return buf;
9735 case 'Y': i = tm->tm_year+1900; break;
9736 case 'y': i = tm->tm_year-100; break;
9737 case 'M': i = tm->tm_mon+1; break;
9738 case 'd': i = tm->tm_mday; break;
9739 case 'h': i = tm->tm_hour; break;
9740 case 'm': i = tm->tm_min; break;
9741 case 's': i = tm->tm_sec; break;
9744 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9750 CountPlayers (char *p)
9753 while(p = strchr(p, '\n')) p++, n++; // count participants
9758 WriteTourneyFile (char *results, FILE *f)
9759 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9760 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9761 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9762 // create a file with tournament description
9763 fprintf(f, "-participants {%s}\n", appData.participants);
9764 fprintf(f, "-seedBase %d\n", appData.seedBase);
9765 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9766 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9767 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9768 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9769 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9770 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9771 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9772 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9773 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9774 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9775 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9776 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9778 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9780 fprintf(f, "-mps %d\n", appData.movesPerSession);
9781 fprintf(f, "-tc %s\n", appData.timeControl);
9782 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9784 fprintf(f, "-results \"%s\"\n", results);
9789 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9792 Substitute (char *participants, int expunge)
9794 int i, changed, changes=0, nPlayers=0;
9795 char *p, *q, *r, buf[MSG_SIZ];
9796 if(participants == NULL) return;
9797 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9798 r = p = participants; q = appData.participants;
9799 while(*p && *p == *q) {
9800 if(*p == '\n') r = p+1, nPlayers++;
9803 if(*p) { // difference
9804 while(*p && *p++ != '\n');
9805 while(*q && *q++ != '\n');
9807 changes = 1 + (strcmp(p, q) != 0);
9809 if(changes == 1) { // a single engine mnemonic was changed
9810 q = r; while(*q) nPlayers += (*q++ == '\n');
9811 p = buf; while(*r && (*p = *r++) != '\n') p++;
9813 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9814 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9815 if(mnemonic[i]) { // The substitute is valid
9817 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9818 flock(fileno(f), LOCK_EX);
9819 ParseArgsFromFile(f);
9820 fseek(f, 0, SEEK_SET);
9821 FREE(appData.participants); appData.participants = participants;
9822 if(expunge) { // erase results of replaced engine
9823 int len = strlen(appData.results), w, b, dummy;
9824 for(i=0; i<len; i++) {
9825 Pairing(i, nPlayers, &w, &b, &dummy);
9826 if((w == changed || b == changed) && appData.results[i] == '*') {
9827 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9832 for(i=0; i<len; i++) {
9833 Pairing(i, nPlayers, &w, &b, &dummy);
9834 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9837 WriteTourneyFile(appData.results, f);
9838 fclose(f); // release lock
9841 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9843 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9844 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9850 CreateTourney (char *name)
9853 if(matchMode && strcmp(name, appData.tourneyFile)) {
9854 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9856 if(name[0] == NULLCHAR) {
9857 if(appData.participants[0])
9858 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9861 f = fopen(name, "r");
9862 if(f) { // file exists
9863 ASSIGN(appData.tourneyFile, name);
9864 ParseArgsFromFile(f); // parse it
9866 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9867 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9868 DisplayError(_("Not enough participants"), 0);
9871 ASSIGN(appData.tourneyFile, name);
9872 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9873 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9876 appData.noChessProgram = FALSE;
9877 appData.clockMode = TRUE;
9883 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
9885 char buf[MSG_SIZ], *p, *q;
9886 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
9887 skip = !all && group[0]; // if group requested, we start in skip mode
9888 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
9889 p = names; q = buf; header = 0;
9890 while(*p && *p != '\n') *q++ = *p++;
9894 if(strstr(buf, "# end") == buf) { depth--; continue; } // leave group, and suppress printing label
9895 depth++; // we must be entering a new group
9896 if(all) continue; // suppress printing group headers when complete list requested
9898 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
9900 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
9901 if(engineList[i]) free(engineList[i]);
9902 engineList[i] = strdup(buf);
9903 if(buf[0] != '#') TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
9904 if(engineMnemonic[i]) free(engineMnemonic[i]);
9905 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9907 sscanf(q + 8, "%s", buf + strlen(buf));
9910 engineMnemonic[i] = strdup(buf);
9913 engineList[i] = engineMnemonic[i] = NULL;
9917 // following implemented as macro to avoid type limitations
9918 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9922 { // swap settings for first engine and other engine (so far only some selected options)
9927 SWAP(chessProgram, p)
9929 SWAP(hasOwnBookUCI, h)
9930 SWAP(protocolVersion, h)
9932 SWAP(scoreIsAbsolute, h)
9941 SetPlayer (int player, char *p)
9942 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9944 char buf[MSG_SIZ], *engineName;
9945 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9946 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9947 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9949 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9950 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9951 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
9952 ParseArgsFromString(buf);
9958 char *recentEngines;
9961 RecentEngineEvent (int nr)
9964 // SwapEngines(1); // bump first to second
9965 // ReplaceEngine(&second, 1); // and load it there
9966 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
9967 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
9968 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
9969 ReplaceEngine(&first, 0);
9970 FloatToFront(&appData.recentEngineList, command[n]);
9975 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9976 { // determine players from game number
9977 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9979 if(appData.tourneyType == 0) {
9980 roundsPerCycle = (nPlayers - 1) | 1;
9981 pairingsPerRound = nPlayers / 2;
9982 } else if(appData.tourneyType > 0) {
9983 roundsPerCycle = nPlayers - appData.tourneyType;
9984 pairingsPerRound = appData.tourneyType;
9986 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9987 gamesPerCycle = gamesPerRound * roundsPerCycle;
9988 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9989 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9990 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9991 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9992 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9993 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9995 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9996 if(appData.roundSync) *syncInterval = gamesPerRound;
9998 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10000 if(appData.tourneyType == 0) {
10001 if(curPairing == (nPlayers-1)/2 ) {
10002 *whitePlayer = curRound;
10003 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10005 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10006 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10007 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10008 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10010 } else if(appData.tourneyType > 1) {
10011 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10012 *whitePlayer = curRound + appData.tourneyType;
10013 } else if(appData.tourneyType > 0) {
10014 *whitePlayer = curPairing;
10015 *blackPlayer = curRound + appData.tourneyType;
10018 // take care of white/black alternation per round.
10019 // For cycles and games this is already taken care of by default, derived from matchGame!
10020 return curRound & 1;
10024 NextTourneyGame (int nr, int *swapColors)
10025 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10027 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10029 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10030 tf = fopen(appData.tourneyFile, "r");
10031 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10032 ParseArgsFromFile(tf); fclose(tf);
10033 InitTimeControls(); // TC might be altered from tourney file
10035 nPlayers = CountPlayers(appData.participants); // count participants
10036 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10037 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10040 p = q = appData.results;
10041 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10042 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10043 DisplayMessage(_("Waiting for other game(s)"),"");
10044 waitingForGame = TRUE;
10045 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10048 waitingForGame = FALSE;
10051 if(appData.tourneyType < 0) {
10052 if(nr>=0 && !pairingReceived) {
10054 if(pairing.pr == NoProc) {
10055 if(!appData.pairingEngine[0]) {
10056 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10059 StartChessProgram(&pairing); // starts the pairing engine
10061 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10062 SendToProgram(buf, &pairing);
10063 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10064 SendToProgram(buf, &pairing);
10065 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10067 pairingReceived = 0; // ... so we continue here
10069 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10070 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10071 matchGame = 1; roundNr = nr / syncInterval + 1;
10074 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10076 // redefine engines, engine dir, etc.
10077 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10078 if(first.pr == NoProc) {
10079 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10080 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10082 if(second.pr == NoProc) {
10084 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10085 SwapEngines(1); // and make that valid for second engine by swapping
10086 InitEngine(&second, 1);
10088 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10089 UpdateLogos(FALSE); // leave display to ModeHiglight()
10095 { // performs game initialization that does not invoke engines, and then tries to start the game
10096 int res, firstWhite, swapColors = 0;
10097 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10098 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
10100 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10101 if(strcmp(buf, currentDebugFile)) { // name has changed
10102 FILE *f = fopen(buf, "w");
10103 if(f) { // if opening the new file failed, just keep using the old one
10104 ASSIGN(currentDebugFile, buf);
10108 if(appData.serverFileName) {
10109 if(serverFP) fclose(serverFP);
10110 serverFP = fopen(appData.serverFileName, "w");
10111 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10112 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10116 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10117 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10118 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10119 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10120 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10121 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10122 Reset(FALSE, first.pr != NoProc);
10123 res = LoadGameOrPosition(matchGame); // setup game
10124 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10125 if(!res) return; // abort when bad game/pos file
10126 TwoMachinesEvent();
10130 UserAdjudicationEvent (int result)
10132 ChessMove gameResult = GameIsDrawn;
10135 gameResult = WhiteWins;
10137 else if( result < 0 ) {
10138 gameResult = BlackWins;
10141 if( gameMode == TwoMachinesPlay ) {
10142 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10147 // [HGM] save: calculate checksum of game to make games easily identifiable
10149 StringCheckSum (char *s)
10152 if(s==NULL) return 0;
10153 while(*s) i = i*259 + *s++;
10161 for(i=backwardMostMove; i<forwardMostMove; i++) {
10162 sum += pvInfoList[i].depth;
10163 sum += StringCheckSum(parseList[i]);
10164 sum += StringCheckSum(commentList[i]);
10167 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10168 return sum + StringCheckSum(commentList[i]);
10169 } // end of save patch
10172 GameEnds (ChessMove result, char *resultDetails, int whosays)
10174 GameMode nextGameMode;
10176 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10178 if(endingGame) return; /* [HGM] crash: forbid recursion */
10180 if(twoBoards) { // [HGM] dual: switch back to one board
10181 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10182 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10184 if (appData.debugMode) {
10185 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10186 result, resultDetails ? resultDetails : "(null)", whosays);
10189 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10191 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10192 /* If we are playing on ICS, the server decides when the
10193 game is over, but the engine can offer to draw, claim
10197 if (appData.zippyPlay && first.initDone) {
10198 if (result == GameIsDrawn) {
10199 /* In case draw still needs to be claimed */
10200 SendToICS(ics_prefix);
10201 SendToICS("draw\n");
10202 } else if (StrCaseStr(resultDetails, "resign")) {
10203 SendToICS(ics_prefix);
10204 SendToICS("resign\n");
10208 endingGame = 0; /* [HGM] crash */
10212 /* If we're loading the game from a file, stop */
10213 if (whosays == GE_FILE) {
10214 (void) StopLoadGameTimer();
10218 /* Cancel draw offers */
10219 first.offeredDraw = second.offeredDraw = 0;
10221 /* If this is an ICS game, only ICS can really say it's done;
10222 if not, anyone can. */
10223 isIcsGame = (gameMode == IcsPlayingWhite ||
10224 gameMode == IcsPlayingBlack ||
10225 gameMode == IcsObserving ||
10226 gameMode == IcsExamining);
10228 if (!isIcsGame || whosays == GE_ICS) {
10229 /* OK -- not an ICS game, or ICS said it was done */
10231 if (!isIcsGame && !appData.noChessProgram)
10232 SetUserThinkingEnables();
10234 /* [HGM] if a machine claims the game end we verify this claim */
10235 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10236 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10238 ChessMove trueResult = (ChessMove) -1;
10240 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10241 first.twoMachinesColor[0] :
10242 second.twoMachinesColor[0] ;
10244 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10245 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10246 /* [HGM] verify: engine mate claims accepted if they were flagged */
10247 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10249 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10250 /* [HGM] verify: engine mate claims accepted if they were flagged */
10251 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10253 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10254 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10257 // now verify win claims, but not in drop games, as we don't understand those yet
10258 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10259 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10260 (result == WhiteWins && claimer == 'w' ||
10261 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10262 if (appData.debugMode) {
10263 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10264 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10266 if(result != trueResult) {
10267 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10268 result = claimer == 'w' ? BlackWins : WhiteWins;
10269 resultDetails = buf;
10272 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10273 && (forwardMostMove <= backwardMostMove ||
10274 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10275 (claimer=='b')==(forwardMostMove&1))
10277 /* [HGM] verify: draws that were not flagged are false claims */
10278 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10279 result = claimer == 'w' ? BlackWins : WhiteWins;
10280 resultDetails = buf;
10282 /* (Claiming a loss is accepted no questions asked!) */
10284 /* [HGM] bare: don't allow bare King to win */
10285 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10286 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10287 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10288 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10289 && result != GameIsDrawn)
10290 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10291 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10292 int p = (signed char)boards[forwardMostMove][i][j] - color;
10293 if(p >= 0 && p <= (int)WhiteKing) k++;
10295 if (appData.debugMode) {
10296 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10297 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10300 result = GameIsDrawn;
10301 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10302 resultDetails = buf;
10308 if(serverMoves != NULL && !loadFlag) { char c = '=';
10309 if(result==WhiteWins) c = '+';
10310 if(result==BlackWins) c = '-';
10311 if(resultDetails != NULL)
10312 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10314 if (resultDetails != NULL) {
10315 gameInfo.result = result;
10316 gameInfo.resultDetails = StrSave(resultDetails);
10318 /* display last move only if game was not loaded from file */
10319 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10320 DisplayMove(currentMove - 1);
10322 if (forwardMostMove != 0) {
10323 if (gameMode != PlayFromGameFile && gameMode != EditGame
10324 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10326 if (*appData.saveGameFile != NULLCHAR) {
10327 SaveGameToFile(appData.saveGameFile, TRUE);
10328 } else if (appData.autoSaveGames) {
10331 if (*appData.savePositionFile != NULLCHAR) {
10332 SavePositionToFile(appData.savePositionFile);
10337 /* Tell program how game ended in case it is learning */
10338 /* [HGM] Moved this to after saving the PGN, just in case */
10339 /* engine died and we got here through time loss. In that */
10340 /* case we will get a fatal error writing the pipe, which */
10341 /* would otherwise lose us the PGN. */
10342 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10343 /* output during GameEnds should never be fatal anymore */
10344 if (gameMode == MachinePlaysWhite ||
10345 gameMode == MachinePlaysBlack ||
10346 gameMode == TwoMachinesPlay ||
10347 gameMode == IcsPlayingWhite ||
10348 gameMode == IcsPlayingBlack ||
10349 gameMode == BeginningOfGame) {
10351 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10353 if (first.pr != NoProc) {
10354 SendToProgram(buf, &first);
10356 if (second.pr != NoProc &&
10357 gameMode == TwoMachinesPlay) {
10358 SendToProgram(buf, &second);
10363 if (appData.icsActive) {
10364 if (appData.quietPlay &&
10365 (gameMode == IcsPlayingWhite ||
10366 gameMode == IcsPlayingBlack)) {
10367 SendToICS(ics_prefix);
10368 SendToICS("set shout 1\n");
10370 nextGameMode = IcsIdle;
10371 ics_user_moved = FALSE;
10372 /* clean up premove. It's ugly when the game has ended and the
10373 * premove highlights are still on the board.
10376 gotPremove = FALSE;
10377 ClearPremoveHighlights();
10378 DrawPosition(FALSE, boards[currentMove]);
10380 if (whosays == GE_ICS) {
10383 if (gameMode == IcsPlayingWhite)
10385 else if(gameMode == IcsPlayingBlack)
10386 PlayIcsLossSound();
10389 if (gameMode == IcsPlayingBlack)
10391 else if(gameMode == IcsPlayingWhite)
10392 PlayIcsLossSound();
10395 PlayIcsDrawSound();
10398 PlayIcsUnfinishedSound();
10401 } else if (gameMode == EditGame ||
10402 gameMode == PlayFromGameFile ||
10403 gameMode == AnalyzeMode ||
10404 gameMode == AnalyzeFile) {
10405 nextGameMode = gameMode;
10407 nextGameMode = EndOfGame;
10412 nextGameMode = gameMode;
10415 if (appData.noChessProgram) {
10416 gameMode = nextGameMode;
10418 endingGame = 0; /* [HGM] crash */
10423 /* Put first chess program into idle state */
10424 if (first.pr != NoProc &&
10425 (gameMode == MachinePlaysWhite ||
10426 gameMode == MachinePlaysBlack ||
10427 gameMode == TwoMachinesPlay ||
10428 gameMode == IcsPlayingWhite ||
10429 gameMode == IcsPlayingBlack ||
10430 gameMode == BeginningOfGame)) {
10431 SendToProgram("force\n", &first);
10432 if (first.usePing) {
10434 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10435 SendToProgram(buf, &first);
10438 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10439 /* Kill off first chess program */
10440 if (first.isr != NULL)
10441 RemoveInputSource(first.isr);
10444 if (first.pr != NoProc) {
10446 DoSleep( appData.delayBeforeQuit );
10447 SendToProgram("quit\n", &first);
10448 DoSleep( appData.delayAfterQuit );
10449 DestroyChildProcess(first.pr, first.useSigterm);
10453 if (second.reuse) {
10454 /* Put second chess program into idle state */
10455 if (second.pr != NoProc &&
10456 gameMode == TwoMachinesPlay) {
10457 SendToProgram("force\n", &second);
10458 if (second.usePing) {
10460 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10461 SendToProgram(buf, &second);
10464 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10465 /* Kill off second chess program */
10466 if (second.isr != NULL)
10467 RemoveInputSource(second.isr);
10470 if (second.pr != NoProc) {
10471 DoSleep( appData.delayBeforeQuit );
10472 SendToProgram("quit\n", &second);
10473 DoSleep( appData.delayAfterQuit );
10474 DestroyChildProcess(second.pr, second.useSigterm);
10476 second.pr = NoProc;
10479 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10480 char resChar = '=';
10484 if (first.twoMachinesColor[0] == 'w') {
10487 second.matchWins++;
10492 if (first.twoMachinesColor[0] == 'b') {
10495 second.matchWins++;
10498 case GameUnfinished:
10504 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10505 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10506 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10507 ReserveGame(nextGame, resChar); // sets nextGame
10508 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10509 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10510 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10512 if (nextGame <= appData.matchGames && !abortMatch) {
10513 gameMode = nextGameMode;
10514 matchGame = nextGame; // this will be overruled in tourney mode!
10515 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10516 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10517 endingGame = 0; /* [HGM] crash */
10520 gameMode = nextGameMode;
10521 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10522 first.tidy, second.tidy,
10523 first.matchWins, second.matchWins,
10524 appData.matchGames - (first.matchWins + second.matchWins));
10525 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10526 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10527 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10528 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10529 first.twoMachinesColor = "black\n";
10530 second.twoMachinesColor = "white\n";
10532 first.twoMachinesColor = "white\n";
10533 second.twoMachinesColor = "black\n";
10537 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10538 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10540 gameMode = nextGameMode;
10542 endingGame = 0; /* [HGM] crash */
10543 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10544 if(matchMode == TRUE) { // match through command line: exit with or without popup
10546 ToNrEvent(forwardMostMove);
10547 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10549 } else DisplayFatalError(buf, 0, 0);
10550 } else { // match through menu; just stop, with or without popup
10551 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10554 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10555 } else DisplayNote(buf);
10557 if(ranking) free(ranking);
10561 /* Assumes program was just initialized (initString sent).
10562 Leaves program in force mode. */
10564 FeedMovesToProgram (ChessProgramState *cps, int upto)
10568 if (appData.debugMode)
10569 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10570 startedFromSetupPosition ? "position and " : "",
10571 backwardMostMove, upto, cps->which);
10572 if(currentlyInitializedVariant != gameInfo.variant) {
10574 // [HGM] variantswitch: make engine aware of new variant
10575 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10576 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10577 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10578 SendToProgram(buf, cps);
10579 currentlyInitializedVariant = gameInfo.variant;
10581 SendToProgram("force\n", cps);
10582 if (startedFromSetupPosition) {
10583 SendBoard(cps, backwardMostMove);
10584 if (appData.debugMode) {
10585 fprintf(debugFP, "feedMoves\n");
10588 for (i = backwardMostMove; i < upto; i++) {
10589 SendMoveToProgram(i, cps);
10595 ResurrectChessProgram ()
10597 /* The chess program may have exited.
10598 If so, restart it and feed it all the moves made so far. */
10599 static int doInit = 0;
10601 if (appData.noChessProgram) return 1;
10603 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10604 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10605 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10606 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10608 if (first.pr != NoProc) return 1;
10609 StartChessProgram(&first);
10611 InitChessProgram(&first, FALSE);
10612 FeedMovesToProgram(&first, currentMove);
10614 if (!first.sendTime) {
10615 /* can't tell gnuchess what its clock should read,
10616 so we bow to its notion. */
10618 timeRemaining[0][currentMove] = whiteTimeRemaining;
10619 timeRemaining[1][currentMove] = blackTimeRemaining;
10622 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10623 appData.icsEngineAnalyze) && first.analysisSupport) {
10624 SendToProgram("analyze\n", &first);
10625 first.analyzing = TRUE;
10631 * Button procedures
10634 Reset (int redraw, int init)
10638 if (appData.debugMode) {
10639 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10640 redraw, init, gameMode);
10642 CleanupTail(); // [HGM] vari: delete any stored variations
10643 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10644 pausing = pauseExamInvalid = FALSE;
10645 startedFromSetupPosition = blackPlaysFirst = FALSE;
10647 whiteFlag = blackFlag = FALSE;
10648 userOfferedDraw = FALSE;
10649 hintRequested = bookRequested = FALSE;
10650 first.maybeThinking = FALSE;
10651 second.maybeThinking = FALSE;
10652 first.bookSuspend = FALSE; // [HGM] book
10653 second.bookSuspend = FALSE;
10654 thinkOutput[0] = NULLCHAR;
10655 lastHint[0] = NULLCHAR;
10656 ClearGameInfo(&gameInfo);
10657 gameInfo.variant = StringToVariant(appData.variant);
10658 ics_user_moved = ics_clock_paused = FALSE;
10659 ics_getting_history = H_FALSE;
10661 white_holding[0] = black_holding[0] = NULLCHAR;
10662 ClearProgramStats();
10663 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10667 flipView = appData.flipView;
10668 ClearPremoveHighlights();
10669 gotPremove = FALSE;
10670 alarmSounded = FALSE;
10672 GameEnds(EndOfFile, NULL, GE_PLAYER);
10673 if(appData.serverMovesName != NULL) {
10674 /* [HGM] prepare to make moves file for broadcasting */
10675 clock_t t = clock();
10676 if(serverMoves != NULL) fclose(serverMoves);
10677 serverMoves = fopen(appData.serverMovesName, "r");
10678 if(serverMoves != NULL) {
10679 fclose(serverMoves);
10680 /* delay 15 sec before overwriting, so all clients can see end */
10681 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10683 serverMoves = fopen(appData.serverMovesName, "w");
10687 gameMode = BeginningOfGame;
10689 if(appData.icsActive) gameInfo.variant = VariantNormal;
10690 currentMove = forwardMostMove = backwardMostMove = 0;
10691 MarkTargetSquares(1);
10692 InitPosition(redraw);
10693 for (i = 0; i < MAX_MOVES; i++) {
10694 if (commentList[i] != NULL) {
10695 free(commentList[i]);
10696 commentList[i] = NULL;
10700 timeRemaining[0][0] = whiteTimeRemaining;
10701 timeRemaining[1][0] = blackTimeRemaining;
10703 if (first.pr == NoProc) {
10704 StartChessProgram(&first);
10707 InitChessProgram(&first, startedFromSetupPosition);
10710 DisplayMessage("", "");
10711 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10712 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10716 AutoPlayGameLoop ()
10719 if (!AutoPlayOneMove())
10721 if (matchMode || appData.timeDelay == 0)
10723 if (appData.timeDelay < 0)
10725 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10734 int fromX, fromY, toX, toY;
10736 if (appData.debugMode) {
10737 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10740 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10743 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10744 pvInfoList[currentMove].depth = programStats.depth;
10745 pvInfoList[currentMove].score = programStats.score;
10746 pvInfoList[currentMove].time = 0;
10747 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10750 if (currentMove >= forwardMostMove) {
10751 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10752 // gameMode = EndOfGame;
10753 // ModeHighlight();
10755 /* [AS] Clear current move marker at the end of a game */
10756 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10761 toX = moveList[currentMove][2] - AAA;
10762 toY = moveList[currentMove][3] - ONE;
10764 if (moveList[currentMove][1] == '@') {
10765 if (appData.highlightLastMove) {
10766 SetHighlights(-1, -1, toX, toY);
10769 fromX = moveList[currentMove][0] - AAA;
10770 fromY = moveList[currentMove][1] - ONE;
10772 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10774 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10776 if (appData.highlightLastMove) {
10777 SetHighlights(fromX, fromY, toX, toY);
10780 DisplayMove(currentMove);
10781 SendMoveToProgram(currentMove++, &first);
10782 DisplayBothClocks();
10783 DrawPosition(FALSE, boards[currentMove]);
10784 // [HGM] PV info: always display, routine tests if empty
10785 DisplayComment(currentMove - 1, commentList[currentMove]);
10791 LoadGameOneMove (ChessMove readAhead)
10793 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10794 char promoChar = NULLCHAR;
10795 ChessMove moveType;
10796 char move[MSG_SIZ];
10799 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10800 gameMode != AnalyzeMode && gameMode != Training) {
10805 yyboardindex = forwardMostMove;
10806 if (readAhead != EndOfFile) {
10807 moveType = readAhead;
10809 if (gameFileFP == NULL)
10811 moveType = (ChessMove) Myylex();
10815 switch (moveType) {
10817 if (appData.debugMode)
10818 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10821 /* append the comment but don't display it */
10822 AppendComment(currentMove, p, FALSE);
10825 case WhiteCapturesEnPassant:
10826 case BlackCapturesEnPassant:
10827 case WhitePromotion:
10828 case BlackPromotion:
10829 case WhiteNonPromotion:
10830 case BlackNonPromotion:
10832 case WhiteKingSideCastle:
10833 case WhiteQueenSideCastle:
10834 case BlackKingSideCastle:
10835 case BlackQueenSideCastle:
10836 case WhiteKingSideCastleWild:
10837 case WhiteQueenSideCastleWild:
10838 case BlackKingSideCastleWild:
10839 case BlackQueenSideCastleWild:
10841 case WhiteHSideCastleFR:
10842 case WhiteASideCastleFR:
10843 case BlackHSideCastleFR:
10844 case BlackASideCastleFR:
10846 if (appData.debugMode)
10847 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10848 fromX = currentMoveString[0] - AAA;
10849 fromY = currentMoveString[1] - ONE;
10850 toX = currentMoveString[2] - AAA;
10851 toY = currentMoveString[3] - ONE;
10852 promoChar = currentMoveString[4];
10857 if (appData.debugMode)
10858 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10859 fromX = moveType == WhiteDrop ?
10860 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10861 (int) CharToPiece(ToLower(currentMoveString[0]));
10863 toX = currentMoveString[2] - AAA;
10864 toY = currentMoveString[3] - ONE;
10870 case GameUnfinished:
10871 if (appData.debugMode)
10872 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10873 p = strchr(yy_text, '{');
10874 if (p == NULL) p = strchr(yy_text, '(');
10877 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10879 q = strchr(p, *p == '{' ? '}' : ')');
10880 if (q != NULL) *q = NULLCHAR;
10883 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10884 GameEnds(moveType, p, GE_FILE);
10886 if (cmailMsgLoaded) {
10888 flipView = WhiteOnMove(currentMove);
10889 if (moveType == GameUnfinished) flipView = !flipView;
10890 if (appData.debugMode)
10891 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10896 if (appData.debugMode)
10897 fprintf(debugFP, "Parser hit end of file\n");
10898 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10904 if (WhiteOnMove(currentMove)) {
10905 GameEnds(BlackWins, "Black mates", GE_FILE);
10907 GameEnds(WhiteWins, "White mates", GE_FILE);
10911 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10917 case MoveNumberOne:
10918 if (lastLoadGameStart == GNUChessGame) {
10919 /* GNUChessGames have numbers, but they aren't move numbers */
10920 if (appData.debugMode)
10921 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10922 yy_text, (int) moveType);
10923 return LoadGameOneMove(EndOfFile); /* tail recursion */
10925 /* else fall thru */
10930 /* Reached start of next game in file */
10931 if (appData.debugMode)
10932 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10933 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10939 if (WhiteOnMove(currentMove)) {
10940 GameEnds(BlackWins, "Black mates", GE_FILE);
10942 GameEnds(WhiteWins, "White mates", GE_FILE);
10946 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10952 case PositionDiagram: /* should not happen; ignore */
10953 case ElapsedTime: /* ignore */
10954 case NAG: /* ignore */
10955 if (appData.debugMode)
10956 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10957 yy_text, (int) moveType);
10958 return LoadGameOneMove(EndOfFile); /* tail recursion */
10961 if (appData.testLegality) {
10962 if (appData.debugMode)
10963 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10964 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10965 (forwardMostMove / 2) + 1,
10966 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10967 DisplayError(move, 0);
10970 if (appData.debugMode)
10971 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10972 yy_text, currentMoveString);
10973 fromX = currentMoveString[0] - AAA;
10974 fromY = currentMoveString[1] - ONE;
10975 toX = currentMoveString[2] - AAA;
10976 toY = currentMoveString[3] - ONE;
10977 promoChar = currentMoveString[4];
10981 case AmbiguousMove:
10982 if (appData.debugMode)
10983 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10984 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10985 (forwardMostMove / 2) + 1,
10986 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10987 DisplayError(move, 0);
10992 case ImpossibleMove:
10993 if (appData.debugMode)
10994 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10995 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10996 (forwardMostMove / 2) + 1,
10997 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10998 DisplayError(move, 0);
11004 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11005 DrawPosition(FALSE, boards[currentMove]);
11006 DisplayBothClocks();
11007 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11008 DisplayComment(currentMove - 1, commentList[currentMove]);
11010 (void) StopLoadGameTimer();
11012 cmailOldMove = forwardMostMove;
11015 /* currentMoveString is set as a side-effect of yylex */
11017 thinkOutput[0] = NULLCHAR;
11018 MakeMove(fromX, fromY, toX, toY, promoChar);
11019 currentMove = forwardMostMove;
11024 /* Load the nth game from the given file */
11026 LoadGameFromFile (char *filename, int n, char *title, int useList)
11031 if (strcmp(filename, "-") == 0) {
11035 f = fopen(filename, "rb");
11037 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11038 DisplayError(buf, errno);
11042 if (fseek(f, 0, 0) == -1) {
11043 /* f is not seekable; probably a pipe */
11046 if (useList && n == 0) {
11047 int error = GameListBuild(f);
11049 DisplayError(_("Cannot build game list"), error);
11050 } else if (!ListEmpty(&gameList) &&
11051 ((ListGame *) gameList.tailPred)->number > 1) {
11052 GameListPopUp(f, title);
11059 return LoadGame(f, n, title, FALSE);
11064 MakeRegisteredMove ()
11066 int fromX, fromY, toX, toY;
11068 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11069 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11072 if (appData.debugMode)
11073 fprintf(debugFP, "Restoring %s for game %d\n",
11074 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11076 thinkOutput[0] = NULLCHAR;
11077 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11078 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11079 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11080 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11081 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11082 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11083 MakeMove(fromX, fromY, toX, toY, promoChar);
11084 ShowMove(fromX, fromY, toX, toY);
11086 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11093 if (WhiteOnMove(currentMove)) {
11094 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11096 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11101 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11108 if (WhiteOnMove(currentMove)) {
11109 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11111 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11116 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11127 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11129 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11133 if (gameNumber > nCmailGames) {
11134 DisplayError(_("No more games in this message"), 0);
11137 if (f == lastLoadGameFP) {
11138 int offset = gameNumber - lastLoadGameNumber;
11140 cmailMsg[0] = NULLCHAR;
11141 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11142 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11143 nCmailMovesRegistered--;
11145 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11146 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11147 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11150 if (! RegisterMove()) return FALSE;
11154 retVal = LoadGame(f, gameNumber, title, useList);
11156 /* Make move registered during previous look at this game, if any */
11157 MakeRegisteredMove();
11159 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11160 commentList[currentMove]
11161 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11162 DisplayComment(currentMove - 1, commentList[currentMove]);
11168 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11170 ReloadGame (int offset)
11172 int gameNumber = lastLoadGameNumber + offset;
11173 if (lastLoadGameFP == NULL) {
11174 DisplayError(_("No game has been loaded yet"), 0);
11177 if (gameNumber <= 0) {
11178 DisplayError(_("Can't back up any further"), 0);
11181 if (cmailMsgLoaded) {
11182 return CmailLoadGame(lastLoadGameFP, gameNumber,
11183 lastLoadGameTitle, lastLoadGameUseList);
11185 return LoadGame(lastLoadGameFP, gameNumber,
11186 lastLoadGameTitle, lastLoadGameUseList);
11190 int keys[EmptySquare+1];
11193 PositionMatches (Board b1, Board b2)
11196 switch(appData.searchMode) {
11197 case 1: return CompareWithRights(b1, b2);
11199 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11200 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11204 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11205 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11206 sum += keys[b1[r][f]] - keys[b2[r][f]];
11210 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11211 sum += keys[b1[r][f]] - keys[b2[r][f]];
11223 int pieceList[256], quickBoard[256];
11224 ChessSquare pieceType[256] = { EmptySquare };
11225 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11226 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11227 int soughtTotal, turn;
11228 Boolean epOK, flipSearch;
11231 unsigned char piece, to;
11234 #define DSIZE (250000)
11236 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11237 Move *moveDatabase = initialSpace;
11238 unsigned int movePtr, dataSize = DSIZE;
11241 MakePieceList (Board board, int *counts)
11243 int r, f, n=Q_PROMO, total=0;
11244 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11245 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11246 int sq = f + (r<<4);
11247 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11248 quickBoard[sq] = ++n;
11250 pieceType[n] = board[r][f];
11251 counts[board[r][f]]++;
11252 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11253 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11257 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11262 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11264 int sq = fromX + (fromY<<4);
11265 int piece = quickBoard[sq];
11266 quickBoard[sq] = 0;
11267 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11268 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11269 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11270 moveDatabase[movePtr++].piece = Q_WCASTL;
11271 quickBoard[sq] = piece;
11272 piece = quickBoard[from]; quickBoard[from] = 0;
11273 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11275 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11276 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11277 moveDatabase[movePtr++].piece = Q_BCASTL;
11278 quickBoard[sq] = piece;
11279 piece = quickBoard[from]; quickBoard[from] = 0;
11280 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11282 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11283 quickBoard[(fromY<<4)+toX] = 0;
11284 moveDatabase[movePtr].piece = Q_EP;
11285 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11286 moveDatabase[movePtr].to = sq;
11288 if(promoPiece != pieceType[piece]) {
11289 moveDatabase[movePtr++].piece = Q_PROMO;
11290 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11292 moveDatabase[movePtr].piece = piece;
11293 quickBoard[sq] = piece;
11298 PackGame (Board board)
11300 Move *newSpace = NULL;
11301 moveDatabase[movePtr].piece = 0; // terminate previous game
11302 if(movePtr > dataSize) {
11303 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11304 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11305 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11308 Move *p = moveDatabase, *q = newSpace;
11309 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11310 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11311 moveDatabase = newSpace;
11312 } else { // calloc failed, we must be out of memory. Too bad...
11313 dataSize = 0; // prevent calloc events for all subsequent games
11314 return 0; // and signal this one isn't cached
11318 MakePieceList(board, counts);
11323 QuickCompare (Board board, int *minCounts, int *maxCounts)
11324 { // compare according to search mode
11326 switch(appData.searchMode)
11328 case 1: // exact position match
11329 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11330 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11331 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11334 case 2: // can have extra material on empty squares
11335 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11336 if(board[r][f] == EmptySquare) continue;
11337 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11340 case 3: // material with exact Pawn structure
11341 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11342 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11343 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11344 } // fall through to material comparison
11345 case 4: // exact material
11346 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11348 case 6: // material range with given imbalance
11349 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11350 // fall through to range comparison
11351 case 5: // material range
11352 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11358 QuickScan (Board board, Move *move)
11359 { // reconstruct game,and compare all positions in it
11360 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11362 int piece = move->piece;
11363 int to = move->to, from = pieceList[piece];
11364 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11365 if(!piece) return -1;
11366 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11367 piece = (++move)->piece;
11368 from = pieceList[piece];
11369 counts[pieceType[piece]]--;
11370 pieceType[piece] = (ChessSquare) move->to;
11371 counts[move->to]++;
11372 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11373 counts[pieceType[quickBoard[to]]]--;
11374 quickBoard[to] = 0; total--;
11377 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11378 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11379 from = pieceList[piece]; // so this must be King
11380 quickBoard[from] = 0;
11381 quickBoard[to] = piece;
11382 pieceList[piece] = to;
11387 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11388 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11389 quickBoard[from] = 0;
11390 quickBoard[to] = piece;
11391 pieceList[piece] = to;
11393 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11394 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11395 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11396 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11398 static int lastCounts[EmptySquare+1];
11400 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11401 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11402 } else stretch = 0;
11403 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11412 flipSearch = FALSE;
11413 CopyBoard(soughtBoard, boards[currentMove]);
11414 soughtTotal = MakePieceList(soughtBoard, maxSought);
11415 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11416 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11417 CopyBoard(reverseBoard, boards[currentMove]);
11418 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11419 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11420 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11421 reverseBoard[r][f] = piece;
11423 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11424 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11425 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11426 || (boards[currentMove][CASTLING][2] == NoRights ||
11427 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11428 && (boards[currentMove][CASTLING][5] == NoRights ||
11429 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11432 CopyBoard(flipBoard, soughtBoard);
11433 CopyBoard(rotateBoard, reverseBoard);
11434 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11435 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11436 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11439 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11440 if(appData.searchMode >= 5) {
11441 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11442 MakePieceList(soughtBoard, minSought);
11443 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11445 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11446 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11449 GameInfo dummyInfo;
11452 GameContainsPosition (FILE *f, ListGame *lg)
11454 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11455 int fromX, fromY, toX, toY;
11457 static int initDone=FALSE;
11459 // weed out games based on numerical tag comparison
11460 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11461 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11462 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11463 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11465 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11468 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11469 else CopyBoard(boards[scratch], initialPosition); // default start position
11472 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11473 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11476 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11477 fseek(f, lg->offset, 0);
11480 yyboardindex = scratch;
11481 quickFlag = plyNr+1;
11486 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11492 if(plyNr) return -1; // after we have seen moves, this is for new game
11495 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11496 case ImpossibleMove:
11497 case WhiteWins: // game ends here with these four
11500 case GameUnfinished:
11504 if(appData.testLegality) return -1;
11505 case WhiteCapturesEnPassant:
11506 case BlackCapturesEnPassant:
11507 case WhitePromotion:
11508 case BlackPromotion:
11509 case WhiteNonPromotion:
11510 case BlackNonPromotion:
11512 case WhiteKingSideCastle:
11513 case WhiteQueenSideCastle:
11514 case BlackKingSideCastle:
11515 case BlackQueenSideCastle:
11516 case WhiteKingSideCastleWild:
11517 case WhiteQueenSideCastleWild:
11518 case BlackKingSideCastleWild:
11519 case BlackQueenSideCastleWild:
11520 case WhiteHSideCastleFR:
11521 case WhiteASideCastleFR:
11522 case BlackHSideCastleFR:
11523 case BlackASideCastleFR:
11524 fromX = currentMoveString[0] - AAA;
11525 fromY = currentMoveString[1] - ONE;
11526 toX = currentMoveString[2] - AAA;
11527 toY = currentMoveString[3] - ONE;
11528 promoChar = currentMoveString[4];
11532 fromX = next == WhiteDrop ?
11533 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11534 (int) CharToPiece(ToLower(currentMoveString[0]));
11536 toX = currentMoveString[2] - AAA;
11537 toY = currentMoveString[3] - ONE;
11541 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11543 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11544 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11545 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11546 if(appData.findMirror) {
11547 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11548 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11553 /* Load the nth game from open file f */
11555 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11559 int gn = gameNumber;
11560 ListGame *lg = NULL;
11561 int numPGNTags = 0;
11563 GameMode oldGameMode;
11564 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11566 if (appData.debugMode)
11567 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11569 if (gameMode == Training )
11570 SetTrainingModeOff();
11572 oldGameMode = gameMode;
11573 if (gameMode != BeginningOfGame) {
11574 Reset(FALSE, TRUE);
11578 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11579 fclose(lastLoadGameFP);
11583 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11586 fseek(f, lg->offset, 0);
11587 GameListHighlight(gameNumber);
11588 pos = lg->position;
11592 DisplayError(_("Game number out of range"), 0);
11597 if (fseek(f, 0, 0) == -1) {
11598 if (f == lastLoadGameFP ?
11599 gameNumber == lastLoadGameNumber + 1 :
11603 DisplayError(_("Can't seek on game file"), 0);
11608 lastLoadGameFP = f;
11609 lastLoadGameNumber = gameNumber;
11610 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11611 lastLoadGameUseList = useList;
11615 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11616 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11617 lg->gameInfo.black);
11619 } else if (*title != NULLCHAR) {
11620 if (gameNumber > 1) {
11621 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11624 DisplayTitle(title);
11628 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11629 gameMode = PlayFromGameFile;
11633 currentMove = forwardMostMove = backwardMostMove = 0;
11634 CopyBoard(boards[0], initialPosition);
11638 * Skip the first gn-1 games in the file.
11639 * Also skip over anything that precedes an identifiable
11640 * start of game marker, to avoid being confused by
11641 * garbage at the start of the file. Currently
11642 * recognized start of game markers are the move number "1",
11643 * the pattern "gnuchess .* game", the pattern
11644 * "^[#;%] [^ ]* game file", and a PGN tag block.
11645 * A game that starts with one of the latter two patterns
11646 * will also have a move number 1, possibly
11647 * following a position diagram.
11648 * 5-4-02: Let's try being more lenient and allowing a game to
11649 * start with an unnumbered move. Does that break anything?
11651 cm = lastLoadGameStart = EndOfFile;
11653 yyboardindex = forwardMostMove;
11654 cm = (ChessMove) Myylex();
11657 if (cmailMsgLoaded) {
11658 nCmailGames = CMAIL_MAX_GAMES - gn;
11661 DisplayError(_("Game not found in file"), 0);
11668 lastLoadGameStart = cm;
11671 case MoveNumberOne:
11672 switch (lastLoadGameStart) {
11677 case MoveNumberOne:
11679 gn--; /* count this game */
11680 lastLoadGameStart = cm;
11689 switch (lastLoadGameStart) {
11692 case MoveNumberOne:
11694 gn--; /* count this game */
11695 lastLoadGameStart = cm;
11698 lastLoadGameStart = cm; /* game counted already */
11706 yyboardindex = forwardMostMove;
11707 cm = (ChessMove) Myylex();
11708 } while (cm == PGNTag || cm == Comment);
11715 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11716 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11717 != CMAIL_OLD_RESULT) {
11719 cmailResult[ CMAIL_MAX_GAMES
11720 - gn - 1] = CMAIL_OLD_RESULT;
11726 /* Only a NormalMove can be at the start of a game
11727 * without a position diagram. */
11728 if (lastLoadGameStart == EndOfFile ) {
11730 lastLoadGameStart = MoveNumberOne;
11739 if (appData.debugMode)
11740 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11742 if (cm == XBoardGame) {
11743 /* Skip any header junk before position diagram and/or move 1 */
11745 yyboardindex = forwardMostMove;
11746 cm = (ChessMove) Myylex();
11748 if (cm == EndOfFile ||
11749 cm == GNUChessGame || cm == XBoardGame) {
11750 /* Empty game; pretend end-of-file and handle later */
11755 if (cm == MoveNumberOne || cm == PositionDiagram ||
11756 cm == PGNTag || cm == Comment)
11759 } else if (cm == GNUChessGame) {
11760 if (gameInfo.event != NULL) {
11761 free(gameInfo.event);
11763 gameInfo.event = StrSave(yy_text);
11766 startedFromSetupPosition = FALSE;
11767 while (cm == PGNTag) {
11768 if (appData.debugMode)
11769 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11770 err = ParsePGNTag(yy_text, &gameInfo);
11771 if (!err) numPGNTags++;
11773 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11774 if(gameInfo.variant != oldVariant) {
11775 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11776 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11777 InitPosition(TRUE);
11778 oldVariant = gameInfo.variant;
11779 if (appData.debugMode)
11780 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11784 if (gameInfo.fen != NULL) {
11785 Board initial_position;
11786 startedFromSetupPosition = TRUE;
11787 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11789 DisplayError(_("Bad FEN position in file"), 0);
11792 CopyBoard(boards[0], initial_position);
11793 if (blackPlaysFirst) {
11794 currentMove = forwardMostMove = backwardMostMove = 1;
11795 CopyBoard(boards[1], initial_position);
11796 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11797 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11798 timeRemaining[0][1] = whiteTimeRemaining;
11799 timeRemaining[1][1] = blackTimeRemaining;
11800 if (commentList[0] != NULL) {
11801 commentList[1] = commentList[0];
11802 commentList[0] = NULL;
11805 currentMove = forwardMostMove = backwardMostMove = 0;
11807 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11809 initialRulePlies = FENrulePlies;
11810 for( i=0; i< nrCastlingRights; i++ )
11811 initialRights[i] = initial_position[CASTLING][i];
11813 yyboardindex = forwardMostMove;
11814 free(gameInfo.fen);
11815 gameInfo.fen = NULL;
11818 yyboardindex = forwardMostMove;
11819 cm = (ChessMove) Myylex();
11821 /* Handle comments interspersed among the tags */
11822 while (cm == Comment) {
11824 if (appData.debugMode)
11825 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11827 AppendComment(currentMove, p, FALSE);
11828 yyboardindex = forwardMostMove;
11829 cm = (ChessMove) Myylex();
11833 /* don't rely on existence of Event tag since if game was
11834 * pasted from clipboard the Event tag may not exist
11836 if (numPGNTags > 0){
11838 if (gameInfo.variant == VariantNormal) {
11839 VariantClass v = StringToVariant(gameInfo.event);
11840 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11841 if(v < VariantShogi) gameInfo.variant = v;
11844 if( appData.autoDisplayTags ) {
11845 tags = PGNTags(&gameInfo);
11846 TagsPopUp(tags, CmailMsg());
11851 /* Make something up, but don't display it now */
11856 if (cm == PositionDiagram) {
11859 Board initial_position;
11861 if (appData.debugMode)
11862 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11864 if (!startedFromSetupPosition) {
11866 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11867 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11878 initial_position[i][j++] = CharToPiece(*p);
11881 while (*p == ' ' || *p == '\t' ||
11882 *p == '\n' || *p == '\r') p++;
11884 if (strncmp(p, "black", strlen("black"))==0)
11885 blackPlaysFirst = TRUE;
11887 blackPlaysFirst = FALSE;
11888 startedFromSetupPosition = TRUE;
11890 CopyBoard(boards[0], initial_position);
11891 if (blackPlaysFirst) {
11892 currentMove = forwardMostMove = backwardMostMove = 1;
11893 CopyBoard(boards[1], initial_position);
11894 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11895 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11896 timeRemaining[0][1] = whiteTimeRemaining;
11897 timeRemaining[1][1] = blackTimeRemaining;
11898 if (commentList[0] != NULL) {
11899 commentList[1] = commentList[0];
11900 commentList[0] = NULL;
11903 currentMove = forwardMostMove = backwardMostMove = 0;
11906 yyboardindex = forwardMostMove;
11907 cm = (ChessMove) Myylex();
11910 if (first.pr == NoProc) {
11911 StartChessProgram(&first);
11913 InitChessProgram(&first, FALSE);
11914 SendToProgram("force\n", &first);
11915 if (startedFromSetupPosition) {
11916 SendBoard(&first, forwardMostMove);
11917 if (appData.debugMode) {
11918 fprintf(debugFP, "Load Game\n");
11920 DisplayBothClocks();
11923 /* [HGM] server: flag to write setup moves in broadcast file as one */
11924 loadFlag = appData.suppressLoadMoves;
11926 while (cm == Comment) {
11928 if (appData.debugMode)
11929 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11931 AppendComment(currentMove, p, FALSE);
11932 yyboardindex = forwardMostMove;
11933 cm = (ChessMove) Myylex();
11936 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11937 cm == WhiteWins || cm == BlackWins ||
11938 cm == GameIsDrawn || cm == GameUnfinished) {
11939 DisplayMessage("", _("No moves in game"));
11940 if (cmailMsgLoaded) {
11941 if (appData.debugMode)
11942 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11946 DrawPosition(FALSE, boards[currentMove]);
11947 DisplayBothClocks();
11948 gameMode = EditGame;
11955 // [HGM] PV info: routine tests if comment empty
11956 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11957 DisplayComment(currentMove - 1, commentList[currentMove]);
11959 if (!matchMode && appData.timeDelay != 0)
11960 DrawPosition(FALSE, boards[currentMove]);
11962 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11963 programStats.ok_to_send = 1;
11966 /* if the first token after the PGN tags is a move
11967 * and not move number 1, retrieve it from the parser
11969 if (cm != MoveNumberOne)
11970 LoadGameOneMove(cm);
11972 /* load the remaining moves from the file */
11973 while (LoadGameOneMove(EndOfFile)) {
11974 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11975 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11978 /* rewind to the start of the game */
11979 currentMove = backwardMostMove;
11981 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11983 if (oldGameMode == AnalyzeFile ||
11984 oldGameMode == AnalyzeMode) {
11985 AnalyzeFileEvent();
11988 if (!matchMode && pos >= 0) {
11989 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11991 if (matchMode || appData.timeDelay == 0) {
11993 } else if (appData.timeDelay > 0) {
11994 AutoPlayGameLoop();
11997 if (appData.debugMode)
11998 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12000 loadFlag = 0; /* [HGM] true game starts */
12004 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12006 ReloadPosition (int offset)
12008 int positionNumber = lastLoadPositionNumber + offset;
12009 if (lastLoadPositionFP == NULL) {
12010 DisplayError(_("No position has been loaded yet"), 0);
12013 if (positionNumber <= 0) {
12014 DisplayError(_("Can't back up any further"), 0);
12017 return LoadPosition(lastLoadPositionFP, positionNumber,
12018 lastLoadPositionTitle);
12021 /* Load the nth position from the given file */
12023 LoadPositionFromFile (char *filename, int n, char *title)
12028 if (strcmp(filename, "-") == 0) {
12029 return LoadPosition(stdin, n, "stdin");
12031 f = fopen(filename, "rb");
12033 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12034 DisplayError(buf, errno);
12037 return LoadPosition(f, n, title);
12042 /* Load the nth position from the given open file, and close it */
12044 LoadPosition (FILE *f, int positionNumber, char *title)
12046 char *p, line[MSG_SIZ];
12047 Board initial_position;
12048 int i, j, fenMode, pn;
12050 if (gameMode == Training )
12051 SetTrainingModeOff();
12053 if (gameMode != BeginningOfGame) {
12054 Reset(FALSE, TRUE);
12056 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12057 fclose(lastLoadPositionFP);
12059 if (positionNumber == 0) positionNumber = 1;
12060 lastLoadPositionFP = f;
12061 lastLoadPositionNumber = positionNumber;
12062 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12063 if (first.pr == NoProc && !appData.noChessProgram) {
12064 StartChessProgram(&first);
12065 InitChessProgram(&first, FALSE);
12067 pn = positionNumber;
12068 if (positionNumber < 0) {
12069 /* Negative position number means to seek to that byte offset */
12070 if (fseek(f, -positionNumber, 0) == -1) {
12071 DisplayError(_("Can't seek on position file"), 0);
12076 if (fseek(f, 0, 0) == -1) {
12077 if (f == lastLoadPositionFP ?
12078 positionNumber == lastLoadPositionNumber + 1 :
12079 positionNumber == 1) {
12082 DisplayError(_("Can't seek on position file"), 0);
12087 /* See if this file is FEN or old-style xboard */
12088 if (fgets(line, MSG_SIZ, f) == NULL) {
12089 DisplayError(_("Position not found in file"), 0);
12092 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12093 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12096 if (fenMode || line[0] == '#') pn--;
12098 /* skip positions before number pn */
12099 if (fgets(line, MSG_SIZ, f) == NULL) {
12101 DisplayError(_("Position not found in file"), 0);
12104 if (fenMode || line[0] == '#') pn--;
12109 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12110 DisplayError(_("Bad FEN position in file"), 0);
12114 (void) fgets(line, MSG_SIZ, f);
12115 (void) fgets(line, MSG_SIZ, f);
12117 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12118 (void) fgets(line, MSG_SIZ, f);
12119 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12122 initial_position[i][j++] = CharToPiece(*p);
12126 blackPlaysFirst = FALSE;
12128 (void) fgets(line, MSG_SIZ, f);
12129 if (strncmp(line, "black", strlen("black"))==0)
12130 blackPlaysFirst = TRUE;
12133 startedFromSetupPosition = TRUE;
12135 CopyBoard(boards[0], initial_position);
12136 if (blackPlaysFirst) {
12137 currentMove = forwardMostMove = backwardMostMove = 1;
12138 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12139 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12140 CopyBoard(boards[1], initial_position);
12141 DisplayMessage("", _("Black to play"));
12143 currentMove = forwardMostMove = backwardMostMove = 0;
12144 DisplayMessage("", _("White to play"));
12146 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12147 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12148 SendToProgram("force\n", &first);
12149 SendBoard(&first, forwardMostMove);
12151 if (appData.debugMode) {
12153 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12154 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12155 fprintf(debugFP, "Load Position\n");
12158 if (positionNumber > 1) {
12159 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12160 DisplayTitle(line);
12162 DisplayTitle(title);
12164 gameMode = EditGame;
12167 timeRemaining[0][1] = whiteTimeRemaining;
12168 timeRemaining[1][1] = blackTimeRemaining;
12169 DrawPosition(FALSE, boards[currentMove]);
12176 CopyPlayerNameIntoFileName (char **dest, char *src)
12178 while (*src != NULLCHAR && *src != ',') {
12183 *(*dest)++ = *src++;
12189 DefaultFileName (char *ext)
12191 static char def[MSG_SIZ];
12194 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12196 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12198 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12200 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12207 /* Save the current game to the given file */
12209 SaveGameToFile (char *filename, int append)
12213 int result, i, t,tot=0;
12215 if (strcmp(filename, "-") == 0) {
12216 return SaveGame(stdout, 0, NULL);
12218 for(i=0; i<10; i++) { // upto 10 tries
12219 f = fopen(filename, append ? "a" : "w");
12220 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12221 if(f || errno != 13) break;
12222 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12226 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12227 DisplayError(buf, errno);
12230 safeStrCpy(buf, lastMsg, MSG_SIZ);
12231 DisplayMessage(_("Waiting for access to save file"), "");
12232 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12233 DisplayMessage(_("Saving game"), "");
12234 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12235 result = SaveGame(f, 0, NULL);
12236 DisplayMessage(buf, "");
12243 SavePart (char *str)
12245 static char buf[MSG_SIZ];
12248 p = strchr(str, ' ');
12249 if (p == NULL) return str;
12250 strncpy(buf, str, p - str);
12251 buf[p - str] = NULLCHAR;
12255 #define PGN_MAX_LINE 75
12257 #define PGN_SIDE_WHITE 0
12258 #define PGN_SIDE_BLACK 1
12261 FindFirstMoveOutOfBook (int side)
12265 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12266 int index = backwardMostMove;
12267 int has_book_hit = 0;
12269 if( (index % 2) != side ) {
12273 while( index < forwardMostMove ) {
12274 /* Check to see if engine is in book */
12275 int depth = pvInfoList[index].depth;
12276 int score = pvInfoList[index].score;
12282 else if( score == 0 && depth == 63 ) {
12283 in_book = 1; /* Zappa */
12285 else if( score == 2 && depth == 99 ) {
12286 in_book = 1; /* Abrok */
12289 has_book_hit += in_book;
12305 GetOutOfBookInfo (char * buf)
12309 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12311 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12312 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12316 if( oob[0] >= 0 || oob[1] >= 0 ) {
12317 for( i=0; i<2; i++ ) {
12321 if( i > 0 && oob[0] >= 0 ) {
12322 strcat( buf, " " );
12325 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12326 sprintf( buf+strlen(buf), "%s%.2f",
12327 pvInfoList[idx].score >= 0 ? "+" : "",
12328 pvInfoList[idx].score / 100.0 );
12334 /* Save game in PGN style and close the file */
12336 SaveGamePGN (FILE *f)
12338 int i, offset, linelen, newblock;
12342 int movelen, numlen, blank;
12343 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12345 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12347 tm = time((time_t *) NULL);
12349 PrintPGNTags(f, &gameInfo);
12351 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12353 if (backwardMostMove > 0 || startedFromSetupPosition) {
12354 char *fen = PositionToFEN(backwardMostMove, NULL);
12355 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12356 fprintf(f, "\n{--------------\n");
12357 PrintPosition(f, backwardMostMove);
12358 fprintf(f, "--------------}\n");
12362 /* [AS] Out of book annotation */
12363 if( appData.saveOutOfBookInfo ) {
12366 GetOutOfBookInfo( buf );
12368 if( buf[0] != '\0' ) {
12369 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12376 i = backwardMostMove;
12380 while (i < forwardMostMove) {
12381 /* Print comments preceding this move */
12382 if (commentList[i] != NULL) {
12383 if (linelen > 0) fprintf(f, "\n");
12384 fprintf(f, "%s", commentList[i]);
12389 /* Format move number */
12391 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12394 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12396 numtext[0] = NULLCHAR;
12398 numlen = strlen(numtext);
12401 /* Print move number */
12402 blank = linelen > 0 && numlen > 0;
12403 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12412 fprintf(f, "%s", numtext);
12416 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12417 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12420 blank = linelen > 0 && movelen > 0;
12421 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12430 fprintf(f, "%s", move_buffer);
12431 linelen += movelen;
12433 /* [AS] Add PV info if present */
12434 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12435 /* [HGM] add time */
12436 char buf[MSG_SIZ]; int seconds;
12438 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12444 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12447 seconds = (seconds + 4)/10; // round to full seconds
12449 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12451 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12454 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12455 pvInfoList[i].score >= 0 ? "+" : "",
12456 pvInfoList[i].score / 100.0,
12457 pvInfoList[i].depth,
12460 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12462 /* Print score/depth */
12463 blank = linelen > 0 && movelen > 0;
12464 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12473 fprintf(f, "%s", move_buffer);
12474 linelen += movelen;
12480 /* Start a new line */
12481 if (linelen > 0) fprintf(f, "\n");
12483 /* Print comments after last move */
12484 if (commentList[i] != NULL) {
12485 fprintf(f, "%s\n", commentList[i]);
12489 if (gameInfo.resultDetails != NULL &&
12490 gameInfo.resultDetails[0] != NULLCHAR) {
12491 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12492 PGNResult(gameInfo.result));
12494 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12498 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12502 /* Save game in old style and close the file */
12504 SaveGameOldStyle (FILE *f)
12509 tm = time((time_t *) NULL);
12511 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12514 if (backwardMostMove > 0 || startedFromSetupPosition) {
12515 fprintf(f, "\n[--------------\n");
12516 PrintPosition(f, backwardMostMove);
12517 fprintf(f, "--------------]\n");
12522 i = backwardMostMove;
12523 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12525 while (i < forwardMostMove) {
12526 if (commentList[i] != NULL) {
12527 fprintf(f, "[%s]\n", commentList[i]);
12530 if ((i % 2) == 1) {
12531 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12534 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12536 if (commentList[i] != NULL) {
12540 if (i >= forwardMostMove) {
12544 fprintf(f, "%s\n", parseList[i]);
12549 if (commentList[i] != NULL) {
12550 fprintf(f, "[%s]\n", commentList[i]);
12553 /* This isn't really the old style, but it's close enough */
12554 if (gameInfo.resultDetails != NULL &&
12555 gameInfo.resultDetails[0] != NULLCHAR) {
12556 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12557 gameInfo.resultDetails);
12559 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12566 /* Save the current game to open file f and close the file */
12568 SaveGame (FILE *f, int dummy, char *dummy2)
12570 if (gameMode == EditPosition) EditPositionDone(TRUE);
12571 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12572 if (appData.oldSaveStyle)
12573 return SaveGameOldStyle(f);
12575 return SaveGamePGN(f);
12578 /* Save the current position to the given file */
12580 SavePositionToFile (char *filename)
12585 if (strcmp(filename, "-") == 0) {
12586 return SavePosition(stdout, 0, NULL);
12588 f = fopen(filename, "a");
12590 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12591 DisplayError(buf, errno);
12594 safeStrCpy(buf, lastMsg, MSG_SIZ);
12595 DisplayMessage(_("Waiting for access to save file"), "");
12596 flock(fileno(f), LOCK_EX); // [HGM] lock
12597 DisplayMessage(_("Saving position"), "");
12598 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12599 SavePosition(f, 0, NULL);
12600 DisplayMessage(buf, "");
12606 /* Save the current position to the given open file and close the file */
12608 SavePosition (FILE *f, int dummy, char *dummy2)
12613 if (gameMode == EditPosition) EditPositionDone(TRUE);
12614 if (appData.oldSaveStyle) {
12615 tm = time((time_t *) NULL);
12617 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12619 fprintf(f, "[--------------\n");
12620 PrintPosition(f, currentMove);
12621 fprintf(f, "--------------]\n");
12623 fen = PositionToFEN(currentMove, NULL);
12624 fprintf(f, "%s\n", fen);
12632 ReloadCmailMsgEvent (int unregister)
12635 static char *inFilename = NULL;
12636 static char *outFilename;
12638 struct stat inbuf, outbuf;
12641 /* Any registered moves are unregistered if unregister is set, */
12642 /* i.e. invoked by the signal handler */
12644 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12645 cmailMoveRegistered[i] = FALSE;
12646 if (cmailCommentList[i] != NULL) {
12647 free(cmailCommentList[i]);
12648 cmailCommentList[i] = NULL;
12651 nCmailMovesRegistered = 0;
12654 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12655 cmailResult[i] = CMAIL_NOT_RESULT;
12659 if (inFilename == NULL) {
12660 /* Because the filenames are static they only get malloced once */
12661 /* and they never get freed */
12662 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12663 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12665 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12666 sprintf(outFilename, "%s.out", appData.cmailGameName);
12669 status = stat(outFilename, &outbuf);
12671 cmailMailedMove = FALSE;
12673 status = stat(inFilename, &inbuf);
12674 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12677 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12678 counts the games, notes how each one terminated, etc.
12680 It would be nice to remove this kludge and instead gather all
12681 the information while building the game list. (And to keep it
12682 in the game list nodes instead of having a bunch of fixed-size
12683 parallel arrays.) Note this will require getting each game's
12684 termination from the PGN tags, as the game list builder does
12685 not process the game moves. --mann
12687 cmailMsgLoaded = TRUE;
12688 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12690 /* Load first game in the file or popup game menu */
12691 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12693 #endif /* !WIN32 */
12701 char string[MSG_SIZ];
12703 if ( cmailMailedMove
12704 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12705 return TRUE; /* Allow free viewing */
12708 /* Unregister move to ensure that we don't leave RegisterMove */
12709 /* with the move registered when the conditions for registering no */
12711 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12712 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12713 nCmailMovesRegistered --;
12715 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12717 free(cmailCommentList[lastLoadGameNumber - 1]);
12718 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12722 if (cmailOldMove == -1) {
12723 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12727 if (currentMove > cmailOldMove + 1) {
12728 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12732 if (currentMove < cmailOldMove) {
12733 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12737 if (forwardMostMove > currentMove) {
12738 /* Silently truncate extra moves */
12742 if ( (currentMove == cmailOldMove + 1)
12743 || ( (currentMove == cmailOldMove)
12744 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12745 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12746 if (gameInfo.result != GameUnfinished) {
12747 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12750 if (commentList[currentMove] != NULL) {
12751 cmailCommentList[lastLoadGameNumber - 1]
12752 = StrSave(commentList[currentMove]);
12754 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12756 if (appData.debugMode)
12757 fprintf(debugFP, "Saving %s for game %d\n",
12758 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12760 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12762 f = fopen(string, "w");
12763 if (appData.oldSaveStyle) {
12764 SaveGameOldStyle(f); /* also closes the file */
12766 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12767 f = fopen(string, "w");
12768 SavePosition(f, 0, NULL); /* also closes the file */
12770 fprintf(f, "{--------------\n");
12771 PrintPosition(f, currentMove);
12772 fprintf(f, "--------------}\n\n");
12774 SaveGame(f, 0, NULL); /* also closes the file*/
12777 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12778 nCmailMovesRegistered ++;
12779 } else if (nCmailGames == 1) {
12780 DisplayError(_("You have not made a move yet"), 0);
12791 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12792 FILE *commandOutput;
12793 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12794 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12800 if (! cmailMsgLoaded) {
12801 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12805 if (nCmailGames == nCmailResults) {
12806 DisplayError(_("No unfinished games"), 0);
12810 #if CMAIL_PROHIBIT_REMAIL
12811 if (cmailMailedMove) {
12812 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);
12813 DisplayError(msg, 0);
12818 if (! (cmailMailedMove || RegisterMove())) return;
12820 if ( cmailMailedMove
12821 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12822 snprintf(string, MSG_SIZ, partCommandString,
12823 appData.debugMode ? " -v" : "", appData.cmailGameName);
12824 commandOutput = popen(string, "r");
12826 if (commandOutput == NULL) {
12827 DisplayError(_("Failed to invoke cmail"), 0);
12829 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12830 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12832 if (nBuffers > 1) {
12833 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12834 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12835 nBytes = MSG_SIZ - 1;
12837 (void) memcpy(msg, buffer, nBytes);
12839 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12841 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12842 cmailMailedMove = TRUE; /* Prevent >1 moves */
12845 for (i = 0; i < nCmailGames; i ++) {
12846 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12851 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12853 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12855 appData.cmailGameName,
12857 LoadGameFromFile(buffer, 1, buffer, FALSE);
12858 cmailMsgLoaded = FALSE;
12862 DisplayInformation(msg);
12863 pclose(commandOutput);
12866 if ((*cmailMsg) != '\0') {
12867 DisplayInformation(cmailMsg);
12872 #endif /* !WIN32 */
12881 int prependComma = 0;
12883 char string[MSG_SIZ]; /* Space for game-list */
12886 if (!cmailMsgLoaded) return "";
12888 if (cmailMailedMove) {
12889 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12891 /* Create a list of games left */
12892 snprintf(string, MSG_SIZ, "[");
12893 for (i = 0; i < nCmailGames; i ++) {
12894 if (! ( cmailMoveRegistered[i]
12895 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12896 if (prependComma) {
12897 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12899 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12903 strcat(string, number);
12906 strcat(string, "]");
12908 if (nCmailMovesRegistered + nCmailResults == 0) {
12909 switch (nCmailGames) {
12911 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12915 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12919 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12924 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12926 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12931 if (nCmailResults == nCmailGames) {
12932 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12934 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12939 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12951 if (gameMode == Training)
12952 SetTrainingModeOff();
12955 cmailMsgLoaded = FALSE;
12956 if (appData.icsActive) {
12957 SendToICS(ics_prefix);
12958 SendToICS("refresh\n");
12963 ExitEvent (int status)
12967 /* Give up on clean exit */
12971 /* Keep trying for clean exit */
12975 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12977 if (telnetISR != NULL) {
12978 RemoveInputSource(telnetISR);
12980 if (icsPR != NoProc) {
12981 DestroyChildProcess(icsPR, TRUE);
12984 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12985 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12987 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12988 /* make sure this other one finishes before killing it! */
12989 if(endingGame) { int count = 0;
12990 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12991 while(endingGame && count++ < 10) DoSleep(1);
12992 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12995 /* Kill off chess programs */
12996 if (first.pr != NoProc) {
12999 DoSleep( appData.delayBeforeQuit );
13000 SendToProgram("quit\n", &first);
13001 DoSleep( appData.delayAfterQuit );
13002 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13004 if (second.pr != NoProc) {
13005 DoSleep( appData.delayBeforeQuit );
13006 SendToProgram("quit\n", &second);
13007 DoSleep( appData.delayAfterQuit );
13008 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13010 if (first.isr != NULL) {
13011 RemoveInputSource(first.isr);
13013 if (second.isr != NULL) {
13014 RemoveInputSource(second.isr);
13017 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13018 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13020 ShutDownFrontEnd();
13027 if (appData.debugMode)
13028 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13032 if (gameMode == MachinePlaysWhite ||
13033 gameMode == MachinePlaysBlack) {
13036 DisplayBothClocks();
13038 if (gameMode == PlayFromGameFile) {
13039 if (appData.timeDelay >= 0)
13040 AutoPlayGameLoop();
13041 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13042 Reset(FALSE, TRUE);
13043 SendToICS(ics_prefix);
13044 SendToICS("refresh\n");
13045 } else if (currentMove < forwardMostMove) {
13046 ForwardInner(forwardMostMove);
13048 pauseExamInvalid = FALSE;
13050 switch (gameMode) {
13054 pauseExamForwardMostMove = forwardMostMove;
13055 pauseExamInvalid = FALSE;
13058 case IcsPlayingWhite:
13059 case IcsPlayingBlack:
13063 case PlayFromGameFile:
13064 (void) StopLoadGameTimer();
13068 case BeginningOfGame:
13069 if (appData.icsActive) return;
13070 /* else fall through */
13071 case MachinePlaysWhite:
13072 case MachinePlaysBlack:
13073 case TwoMachinesPlay:
13074 if (forwardMostMove == 0)
13075 return; /* don't pause if no one has moved */
13076 if ((gameMode == MachinePlaysWhite &&
13077 !WhiteOnMove(forwardMostMove)) ||
13078 (gameMode == MachinePlaysBlack &&
13079 WhiteOnMove(forwardMostMove))) {
13090 EditCommentEvent ()
13092 char title[MSG_SIZ];
13094 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13095 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13097 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13098 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13099 parseList[currentMove - 1]);
13102 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13109 char *tags = PGNTags(&gameInfo);
13111 EditTagsPopUp(tags, NULL);
13116 AnalyzeModeEvent ()
13118 if (appData.noChessProgram || gameMode == AnalyzeMode)
13121 if (gameMode != AnalyzeFile) {
13122 if (!appData.icsEngineAnalyze) {
13124 if (gameMode != EditGame) return;
13126 ResurrectChessProgram();
13127 SendToProgram("analyze\n", &first);
13128 first.analyzing = TRUE;
13129 /*first.maybeThinking = TRUE;*/
13130 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13131 EngineOutputPopUp();
13133 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13138 StartAnalysisClock();
13139 GetTimeMark(&lastNodeCountTime);
13144 AnalyzeFileEvent ()
13146 if (appData.noChessProgram || gameMode == AnalyzeFile)
13149 if (gameMode != AnalyzeMode) {
13151 if (gameMode != EditGame) return;
13152 ResurrectChessProgram();
13153 SendToProgram("analyze\n", &first);
13154 first.analyzing = TRUE;
13155 /*first.maybeThinking = TRUE;*/
13156 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13157 EngineOutputPopUp();
13159 gameMode = AnalyzeFile;
13164 StartAnalysisClock();
13165 GetTimeMark(&lastNodeCountTime);
13167 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13171 MachineWhiteEvent ()
13174 char *bookHit = NULL;
13176 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13180 if (gameMode == PlayFromGameFile ||
13181 gameMode == TwoMachinesPlay ||
13182 gameMode == Training ||
13183 gameMode == AnalyzeMode ||
13184 gameMode == EndOfGame)
13187 if (gameMode == EditPosition)
13188 EditPositionDone(TRUE);
13190 if (!WhiteOnMove(currentMove)) {
13191 DisplayError(_("It is not White's turn"), 0);
13195 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13198 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13199 gameMode == AnalyzeFile)
13202 ResurrectChessProgram(); /* in case it isn't running */
13203 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13204 gameMode = MachinePlaysWhite;
13207 gameMode = MachinePlaysWhite;
13211 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13213 if (first.sendName) {
13214 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13215 SendToProgram(buf, &first);
13217 if (first.sendTime) {
13218 if (first.useColors) {
13219 SendToProgram("black\n", &first); /*gnu kludge*/
13221 SendTimeRemaining(&first, TRUE);
13223 if (first.useColors) {
13224 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13226 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13227 SetMachineThinkingEnables();
13228 first.maybeThinking = TRUE;
13232 if (appData.autoFlipView && !flipView) {
13233 flipView = !flipView;
13234 DrawPosition(FALSE, NULL);
13235 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13238 if(bookHit) { // [HGM] book: simulate book reply
13239 static char bookMove[MSG_SIZ]; // a bit generous?
13241 programStats.nodes = programStats.depth = programStats.time =
13242 programStats.score = programStats.got_only_move = 0;
13243 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13245 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13246 strcat(bookMove, bookHit);
13247 HandleMachineMove(bookMove, &first);
13252 MachineBlackEvent ()
13255 char *bookHit = NULL;
13257 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13261 if (gameMode == PlayFromGameFile ||
13262 gameMode == TwoMachinesPlay ||
13263 gameMode == Training ||
13264 gameMode == AnalyzeMode ||
13265 gameMode == EndOfGame)
13268 if (gameMode == EditPosition)
13269 EditPositionDone(TRUE);
13271 if (WhiteOnMove(currentMove)) {
13272 DisplayError(_("It is not Black's turn"), 0);
13276 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13279 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13280 gameMode == AnalyzeFile)
13283 ResurrectChessProgram(); /* in case it isn't running */
13284 gameMode = MachinePlaysBlack;
13288 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13290 if (first.sendName) {
13291 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13292 SendToProgram(buf, &first);
13294 if (first.sendTime) {
13295 if (first.useColors) {
13296 SendToProgram("white\n", &first); /*gnu kludge*/
13298 SendTimeRemaining(&first, FALSE);
13300 if (first.useColors) {
13301 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13303 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13304 SetMachineThinkingEnables();
13305 first.maybeThinking = TRUE;
13308 if (appData.autoFlipView && flipView) {
13309 flipView = !flipView;
13310 DrawPosition(FALSE, NULL);
13311 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13313 if(bookHit) { // [HGM] book: simulate book reply
13314 static char bookMove[MSG_SIZ]; // a bit generous?
13316 programStats.nodes = programStats.depth = programStats.time =
13317 programStats.score = programStats.got_only_move = 0;
13318 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13320 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13321 strcat(bookMove, bookHit);
13322 HandleMachineMove(bookMove, &first);
13328 DisplayTwoMachinesTitle ()
13331 if (appData.matchGames > 0) {
13332 if(appData.tourneyFile[0]) {
13333 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13334 gameInfo.white, _("vs."), gameInfo.black,
13335 nextGame+1, appData.matchGames+1,
13336 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13338 if (first.twoMachinesColor[0] == 'w') {
13339 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13340 gameInfo.white, _("vs."), gameInfo.black,
13341 first.matchWins, second.matchWins,
13342 matchGame - 1 - (first.matchWins + second.matchWins));
13344 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13345 gameInfo.white, _("vs."), gameInfo.black,
13346 second.matchWins, first.matchWins,
13347 matchGame - 1 - (first.matchWins + second.matchWins));
13350 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13356 SettingsMenuIfReady ()
13358 if (second.lastPing != second.lastPong) {
13359 DisplayMessage("", _("Waiting for second chess program"));
13360 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13364 DisplayMessage("", "");
13365 SettingsPopUp(&second);
13369 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13372 if (cps->pr == NoProc) {
13373 StartChessProgram(cps);
13374 if (cps->protocolVersion == 1) {
13377 /* kludge: allow timeout for initial "feature" command */
13379 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13380 DisplayMessage("", buf);
13381 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13389 TwoMachinesEvent P((void))
13393 ChessProgramState *onmove;
13394 char *bookHit = NULL;
13395 static int stalling = 0;
13399 if (appData.noChessProgram) return;
13401 switch (gameMode) {
13402 case TwoMachinesPlay:
13404 case MachinePlaysWhite:
13405 case MachinePlaysBlack:
13406 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13407 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13411 case BeginningOfGame:
13412 case PlayFromGameFile:
13415 if (gameMode != EditGame) return;
13418 EditPositionDone(TRUE);
13429 // forwardMostMove = currentMove;
13430 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13432 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13434 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13435 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13436 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13440 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13441 SendToProgram("force\n", &second);
13443 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13446 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13447 if(appData.matchPause>10000 || appData.matchPause<10)
13448 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13449 wait = SubtractTimeMarks(&now, &pauseStart);
13450 if(wait < appData.matchPause) {
13451 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13454 // we are now committed to starting the game
13456 DisplayMessage("", "");
13457 if (startedFromSetupPosition) {
13458 SendBoard(&second, backwardMostMove);
13459 if (appData.debugMode) {
13460 fprintf(debugFP, "Two Machines\n");
13463 for (i = backwardMostMove; i < forwardMostMove; i++) {
13464 SendMoveToProgram(i, &second);
13467 gameMode = TwoMachinesPlay;
13469 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13471 DisplayTwoMachinesTitle();
13473 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13478 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13479 SendToProgram(first.computerString, &first);
13480 if (first.sendName) {
13481 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13482 SendToProgram(buf, &first);
13484 SendToProgram(second.computerString, &second);
13485 if (second.sendName) {
13486 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13487 SendToProgram(buf, &second);
13491 if (!first.sendTime || !second.sendTime) {
13492 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13493 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13495 if (onmove->sendTime) {
13496 if (onmove->useColors) {
13497 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13499 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13501 if (onmove->useColors) {
13502 SendToProgram(onmove->twoMachinesColor, onmove);
13504 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13505 // SendToProgram("go\n", onmove);
13506 onmove->maybeThinking = TRUE;
13507 SetMachineThinkingEnables();
13511 if(bookHit) { // [HGM] book: simulate book reply
13512 static char bookMove[MSG_SIZ]; // a bit generous?
13514 programStats.nodes = programStats.depth = programStats.time =
13515 programStats.score = programStats.got_only_move = 0;
13516 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13518 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13519 strcat(bookMove, bookHit);
13520 savedMessage = bookMove; // args for deferred call
13521 savedState = onmove;
13522 ScheduleDelayedEvent(DeferredBookMove, 1);
13529 if (gameMode == Training) {
13530 SetTrainingModeOff();
13531 gameMode = PlayFromGameFile;
13532 DisplayMessage("", _("Training mode off"));
13534 gameMode = Training;
13535 animateTraining = appData.animate;
13537 /* make sure we are not already at the end of the game */
13538 if (currentMove < forwardMostMove) {
13539 SetTrainingModeOn();
13540 DisplayMessage("", _("Training mode on"));
13542 gameMode = PlayFromGameFile;
13543 DisplayError(_("Already at end of game"), 0);
13552 if (!appData.icsActive) return;
13553 switch (gameMode) {
13554 case IcsPlayingWhite:
13555 case IcsPlayingBlack:
13558 case BeginningOfGame:
13566 EditPositionDone(TRUE);
13579 gameMode = IcsIdle;
13589 switch (gameMode) {
13591 SetTrainingModeOff();
13593 case MachinePlaysWhite:
13594 case MachinePlaysBlack:
13595 case BeginningOfGame:
13596 SendToProgram("force\n", &first);
13597 SetUserThinkingEnables();
13599 case PlayFromGameFile:
13600 (void) StopLoadGameTimer();
13601 if (gameFileFP != NULL) {
13606 EditPositionDone(TRUE);
13611 SendToProgram("force\n", &first);
13613 case TwoMachinesPlay:
13614 GameEnds(EndOfFile, NULL, GE_PLAYER);
13615 ResurrectChessProgram();
13616 SetUserThinkingEnables();
13619 ResurrectChessProgram();
13621 case IcsPlayingBlack:
13622 case IcsPlayingWhite:
13623 DisplayError(_("Warning: You are still playing a game"), 0);
13626 DisplayError(_("Warning: You are still observing a game"), 0);
13629 DisplayError(_("Warning: You are still examining a game"), 0);
13640 first.offeredDraw = second.offeredDraw = 0;
13642 if (gameMode == PlayFromGameFile) {
13643 whiteTimeRemaining = timeRemaining[0][currentMove];
13644 blackTimeRemaining = timeRemaining[1][currentMove];
13648 if (gameMode == MachinePlaysWhite ||
13649 gameMode == MachinePlaysBlack ||
13650 gameMode == TwoMachinesPlay ||
13651 gameMode == EndOfGame) {
13652 i = forwardMostMove;
13653 while (i > currentMove) {
13654 SendToProgram("undo\n", &first);
13657 if(!adjustedClock) {
13658 whiteTimeRemaining = timeRemaining[0][currentMove];
13659 blackTimeRemaining = timeRemaining[1][currentMove];
13660 DisplayBothClocks();
13662 if (whiteFlag || blackFlag) {
13663 whiteFlag = blackFlag = 0;
13668 gameMode = EditGame;
13675 EditPositionEvent ()
13677 if (gameMode == EditPosition) {
13683 if (gameMode != EditGame) return;
13685 gameMode = EditPosition;
13688 if (currentMove > 0)
13689 CopyBoard(boards[0], boards[currentMove]);
13691 blackPlaysFirst = !WhiteOnMove(currentMove);
13693 currentMove = forwardMostMove = backwardMostMove = 0;
13694 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13696 if(!appData.pieceMenu) DisplayMessage("Click clock to clear board", "");
13702 /* [DM] icsEngineAnalyze - possible call from other functions */
13703 if (appData.icsEngineAnalyze) {
13704 appData.icsEngineAnalyze = FALSE;
13706 DisplayMessage("",_("Close ICS engine analyze..."));
13708 if (first.analysisSupport && first.analyzing) {
13709 SendToProgram("exit\n", &first);
13710 first.analyzing = FALSE;
13712 thinkOutput[0] = NULLCHAR;
13716 EditPositionDone (Boolean fakeRights)
13718 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13720 startedFromSetupPosition = TRUE;
13721 InitChessProgram(&first, FALSE);
13722 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13723 boards[0][EP_STATUS] = EP_NONE;
13724 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13725 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13726 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13727 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13728 } else boards[0][CASTLING][2] = NoRights;
13729 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13730 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13731 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13732 } else boards[0][CASTLING][5] = NoRights;
13734 SendToProgram("force\n", &first);
13735 if (blackPlaysFirst) {
13736 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13737 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13738 currentMove = forwardMostMove = backwardMostMove = 1;
13739 CopyBoard(boards[1], boards[0]);
13741 currentMove = forwardMostMove = backwardMostMove = 0;
13743 SendBoard(&first, forwardMostMove);
13744 if (appData.debugMode) {
13745 fprintf(debugFP, "EditPosDone\n");
13748 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13749 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13750 gameMode = EditGame;
13752 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13753 ClearHighlights(); /* [AS] */
13756 /* Pause for `ms' milliseconds */
13757 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13759 TimeDelay (long ms)
13766 } while (SubtractTimeMarks(&m2, &m1) < ms);
13769 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13771 SendMultiLineToICS (char *buf)
13773 char temp[MSG_SIZ+1], *p;
13780 strncpy(temp, buf, len);
13785 if (*p == '\n' || *p == '\r')
13790 strcat(temp, "\n");
13792 SendToPlayer(temp, strlen(temp));
13796 SetWhiteToPlayEvent ()
13798 if (gameMode == EditPosition) {
13799 blackPlaysFirst = FALSE;
13800 DisplayBothClocks(); /* works because currentMove is 0 */
13801 } else if (gameMode == IcsExamining) {
13802 SendToICS(ics_prefix);
13803 SendToICS("tomove white\n");
13808 SetBlackToPlayEvent ()
13810 if (gameMode == EditPosition) {
13811 blackPlaysFirst = TRUE;
13812 currentMove = 1; /* kludge */
13813 DisplayBothClocks();
13815 } else if (gameMode == IcsExamining) {
13816 SendToICS(ics_prefix);
13817 SendToICS("tomove black\n");
13822 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13825 ChessSquare piece = boards[0][y][x];
13827 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13829 switch (selection) {
13831 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13832 SendToICS(ics_prefix);
13833 SendToICS("bsetup clear\n");
13834 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13835 SendToICS(ics_prefix);
13836 SendToICS("clearboard\n");
13838 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13839 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13840 for (y = 0; y < BOARD_HEIGHT; y++) {
13841 if (gameMode == IcsExamining) {
13842 if (boards[currentMove][y][x] != EmptySquare) {
13843 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13848 boards[0][y][x] = p;
13853 if (gameMode == EditPosition) {
13854 DrawPosition(FALSE, boards[0]);
13859 SetWhiteToPlayEvent();
13863 SetBlackToPlayEvent();
13867 if (gameMode == IcsExamining) {
13868 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13869 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13872 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13873 if(x == BOARD_LEFT-2) {
13874 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13875 boards[0][y][1] = 0;
13877 if(x == BOARD_RGHT+1) {
13878 if(y >= gameInfo.holdingsSize) break;
13879 boards[0][y][BOARD_WIDTH-2] = 0;
13882 boards[0][y][x] = EmptySquare;
13883 DrawPosition(FALSE, boards[0]);
13888 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13889 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13890 selection = (ChessSquare) (PROMOTED piece);
13891 } else if(piece == EmptySquare) selection = WhiteSilver;
13892 else selection = (ChessSquare)((int)piece - 1);
13896 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13897 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13898 selection = (ChessSquare) (DEMOTED piece);
13899 } else if(piece == EmptySquare) selection = BlackSilver;
13900 else selection = (ChessSquare)((int)piece + 1);
13905 if(gameInfo.variant == VariantShatranj ||
13906 gameInfo.variant == VariantXiangqi ||
13907 gameInfo.variant == VariantCourier ||
13908 gameInfo.variant == VariantMakruk )
13909 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13914 if(gameInfo.variant == VariantXiangqi)
13915 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13916 if(gameInfo.variant == VariantKnightmate)
13917 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13920 if (gameMode == IcsExamining) {
13921 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13922 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13923 PieceToChar(selection), AAA + x, ONE + y);
13926 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13928 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13929 n = PieceToNumber(selection - BlackPawn);
13930 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13931 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13932 boards[0][BOARD_HEIGHT-1-n][1]++;
13934 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13935 n = PieceToNumber(selection);
13936 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13937 boards[0][n][BOARD_WIDTH-1] = selection;
13938 boards[0][n][BOARD_WIDTH-2]++;
13941 boards[0][y][x] = selection;
13942 DrawPosition(TRUE, boards[0]);
13944 fromX = fromY = -1;
13952 DropMenuEvent (ChessSquare selection, int x, int y)
13954 ChessMove moveType;
13956 switch (gameMode) {
13957 case IcsPlayingWhite:
13958 case MachinePlaysBlack:
13959 if (!WhiteOnMove(currentMove)) {
13960 DisplayMoveError(_("It is Black's turn"));
13963 moveType = WhiteDrop;
13965 case IcsPlayingBlack:
13966 case MachinePlaysWhite:
13967 if (WhiteOnMove(currentMove)) {
13968 DisplayMoveError(_("It is White's turn"));
13971 moveType = BlackDrop;
13974 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13980 if (moveType == BlackDrop && selection < BlackPawn) {
13981 selection = (ChessSquare) ((int) selection
13982 + (int) BlackPawn - (int) WhitePawn);
13984 if (boards[currentMove][y][x] != EmptySquare) {
13985 DisplayMoveError(_("That square is occupied"));
13989 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13995 /* Accept a pending offer of any kind from opponent */
13997 if (appData.icsActive) {
13998 SendToICS(ics_prefix);
13999 SendToICS("accept\n");
14000 } else if (cmailMsgLoaded) {
14001 if (currentMove == cmailOldMove &&
14002 commentList[cmailOldMove] != NULL &&
14003 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14004 "Black offers a draw" : "White offers a draw")) {
14006 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14007 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14009 DisplayError(_("There is no pending offer on this move"), 0);
14010 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14013 /* Not used for offers from chess program */
14020 /* Decline a pending offer of any kind from opponent */
14022 if (appData.icsActive) {
14023 SendToICS(ics_prefix);
14024 SendToICS("decline\n");
14025 } else if (cmailMsgLoaded) {
14026 if (currentMove == cmailOldMove &&
14027 commentList[cmailOldMove] != NULL &&
14028 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14029 "Black offers a draw" : "White offers a draw")) {
14031 AppendComment(cmailOldMove, "Draw declined", TRUE);
14032 DisplayComment(cmailOldMove - 1, "Draw declined");
14035 DisplayError(_("There is no pending offer on this move"), 0);
14038 /* Not used for offers from chess program */
14045 /* Issue ICS rematch command */
14046 if (appData.icsActive) {
14047 SendToICS(ics_prefix);
14048 SendToICS("rematch\n");
14055 /* Call your opponent's flag (claim a win on time) */
14056 if (appData.icsActive) {
14057 SendToICS(ics_prefix);
14058 SendToICS("flag\n");
14060 switch (gameMode) {
14063 case MachinePlaysWhite:
14066 GameEnds(GameIsDrawn, "Both players ran out of time",
14069 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14071 DisplayError(_("Your opponent is not out of time"), 0);
14074 case MachinePlaysBlack:
14077 GameEnds(GameIsDrawn, "Both players ran out of time",
14080 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14082 DisplayError(_("Your opponent is not out of time"), 0);
14090 ClockClick (int which)
14091 { // [HGM] code moved to back-end from winboard.c
14092 if(which) { // black clock
14093 if (gameMode == EditPosition || gameMode == IcsExamining) {
14094 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14095 SetBlackToPlayEvent();
14096 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14097 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14098 } else if (shiftKey) {
14099 AdjustClock(which, -1);
14100 } else if (gameMode == IcsPlayingWhite ||
14101 gameMode == MachinePlaysBlack) {
14104 } else { // white clock
14105 if (gameMode == EditPosition || gameMode == IcsExamining) {
14106 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14107 SetWhiteToPlayEvent();
14108 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14109 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14110 } else if (shiftKey) {
14111 AdjustClock(which, -1);
14112 } else if (gameMode == IcsPlayingBlack ||
14113 gameMode == MachinePlaysWhite) {
14122 /* Offer draw or accept pending draw offer from opponent */
14124 if (appData.icsActive) {
14125 /* Note: tournament rules require draw offers to be
14126 made after you make your move but before you punch
14127 your clock. Currently ICS doesn't let you do that;
14128 instead, you immediately punch your clock after making
14129 a move, but you can offer a draw at any time. */
14131 SendToICS(ics_prefix);
14132 SendToICS("draw\n");
14133 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14134 } else if (cmailMsgLoaded) {
14135 if (currentMove == cmailOldMove &&
14136 commentList[cmailOldMove] != NULL &&
14137 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14138 "Black offers a draw" : "White offers a draw")) {
14139 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14140 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14141 } else if (currentMove == cmailOldMove + 1) {
14142 char *offer = WhiteOnMove(cmailOldMove) ?
14143 "White offers a draw" : "Black offers a draw";
14144 AppendComment(currentMove, offer, TRUE);
14145 DisplayComment(currentMove - 1, offer);
14146 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14148 DisplayError(_("You must make your move before offering a draw"), 0);
14149 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14151 } else if (first.offeredDraw) {
14152 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14154 if (first.sendDrawOffers) {
14155 SendToProgram("draw\n", &first);
14156 userOfferedDraw = TRUE;
14164 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14166 if (appData.icsActive) {
14167 SendToICS(ics_prefix);
14168 SendToICS("adjourn\n");
14170 /* Currently GNU Chess doesn't offer or accept Adjourns */
14178 /* Offer Abort or accept pending Abort offer from opponent */
14180 if (appData.icsActive) {
14181 SendToICS(ics_prefix);
14182 SendToICS("abort\n");
14184 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14191 /* Resign. You can do this even if it's not your turn. */
14193 if (appData.icsActive) {
14194 SendToICS(ics_prefix);
14195 SendToICS("resign\n");
14197 switch (gameMode) {
14198 case MachinePlaysWhite:
14199 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14201 case MachinePlaysBlack:
14202 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14205 if (cmailMsgLoaded) {
14207 if (WhiteOnMove(cmailOldMove)) {
14208 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14210 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14212 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14223 StopObservingEvent ()
14225 /* Stop observing current games */
14226 SendToICS(ics_prefix);
14227 SendToICS("unobserve\n");
14231 StopExaminingEvent ()
14233 /* Stop observing current game */
14234 SendToICS(ics_prefix);
14235 SendToICS("unexamine\n");
14239 ForwardInner (int target)
14241 int limit; int oldSeekGraphUp = seekGraphUp;
14243 if (appData.debugMode)
14244 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14245 target, currentMove, forwardMostMove);
14247 if (gameMode == EditPosition)
14250 seekGraphUp = FALSE;
14251 MarkTargetSquares(1);
14253 if (gameMode == PlayFromGameFile && !pausing)
14256 if (gameMode == IcsExamining && pausing)
14257 limit = pauseExamForwardMostMove;
14259 limit = forwardMostMove;
14261 if (target > limit) target = limit;
14263 if (target > 0 && moveList[target - 1][0]) {
14264 int fromX, fromY, toX, toY;
14265 toX = moveList[target - 1][2] - AAA;
14266 toY = moveList[target - 1][3] - ONE;
14267 if (moveList[target - 1][1] == '@') {
14268 if (appData.highlightLastMove) {
14269 SetHighlights(-1, -1, toX, toY);
14272 fromX = moveList[target - 1][0] - AAA;
14273 fromY = moveList[target - 1][1] - ONE;
14274 if (target == currentMove + 1) {
14275 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14277 if (appData.highlightLastMove) {
14278 SetHighlights(fromX, fromY, toX, toY);
14282 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14283 gameMode == Training || gameMode == PlayFromGameFile ||
14284 gameMode == AnalyzeFile) {
14285 while (currentMove < target) {
14286 SendMoveToProgram(currentMove++, &first);
14289 currentMove = target;
14292 if (gameMode == EditGame || gameMode == EndOfGame) {
14293 whiteTimeRemaining = timeRemaining[0][currentMove];
14294 blackTimeRemaining = timeRemaining[1][currentMove];
14296 DisplayBothClocks();
14297 DisplayMove(currentMove - 1);
14298 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14299 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14300 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14301 DisplayComment(currentMove - 1, commentList[currentMove]);
14309 if (gameMode == IcsExamining && !pausing) {
14310 SendToICS(ics_prefix);
14311 SendToICS("forward\n");
14313 ForwardInner(currentMove + 1);
14320 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14321 /* to optimze, we temporarily turn off analysis mode while we feed
14322 * the remaining moves to the engine. Otherwise we get analysis output
14325 if (first.analysisSupport) {
14326 SendToProgram("exit\nforce\n", &first);
14327 first.analyzing = FALSE;
14331 if (gameMode == IcsExamining && !pausing) {
14332 SendToICS(ics_prefix);
14333 SendToICS("forward 999999\n");
14335 ForwardInner(forwardMostMove);
14338 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14339 /* we have fed all the moves, so reactivate analysis mode */
14340 SendToProgram("analyze\n", &first);
14341 first.analyzing = TRUE;
14342 /*first.maybeThinking = TRUE;*/
14343 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14348 BackwardInner (int target)
14350 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14352 if (appData.debugMode)
14353 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14354 target, currentMove, forwardMostMove);
14356 if (gameMode == EditPosition) return;
14357 seekGraphUp = FALSE;
14358 MarkTargetSquares(1);
14359 if (currentMove <= backwardMostMove) {
14361 DrawPosition(full_redraw, boards[currentMove]);
14364 if (gameMode == PlayFromGameFile && !pausing)
14367 if (moveList[target][0]) {
14368 int fromX, fromY, toX, toY;
14369 toX = moveList[target][2] - AAA;
14370 toY = moveList[target][3] - ONE;
14371 if (moveList[target][1] == '@') {
14372 if (appData.highlightLastMove) {
14373 SetHighlights(-1, -1, toX, toY);
14376 fromX = moveList[target][0] - AAA;
14377 fromY = moveList[target][1] - ONE;
14378 if (target == currentMove - 1) {
14379 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14381 if (appData.highlightLastMove) {
14382 SetHighlights(fromX, fromY, toX, toY);
14386 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14387 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14388 while (currentMove > target) {
14389 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14390 // null move cannot be undone. Reload program with move history before it.
14392 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14393 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14395 SendBoard(&first, i);
14396 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14399 SendToProgram("undo\n", &first);
14403 currentMove = target;
14406 if (gameMode == EditGame || gameMode == EndOfGame) {
14407 whiteTimeRemaining = timeRemaining[0][currentMove];
14408 blackTimeRemaining = timeRemaining[1][currentMove];
14410 DisplayBothClocks();
14411 DisplayMove(currentMove - 1);
14412 DrawPosition(full_redraw, boards[currentMove]);
14413 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14414 // [HGM] PV info: routine tests if comment empty
14415 DisplayComment(currentMove - 1, commentList[currentMove]);
14421 if (gameMode == IcsExamining && !pausing) {
14422 SendToICS(ics_prefix);
14423 SendToICS("backward\n");
14425 BackwardInner(currentMove - 1);
14432 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14433 /* to optimize, we temporarily turn off analysis mode while we undo
14434 * all the moves. Otherwise we get analysis output after each undo.
14436 if (first.analysisSupport) {
14437 SendToProgram("exit\nforce\n", &first);
14438 first.analyzing = FALSE;
14442 if (gameMode == IcsExamining && !pausing) {
14443 SendToICS(ics_prefix);
14444 SendToICS("backward 999999\n");
14446 BackwardInner(backwardMostMove);
14449 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14450 /* we have fed all the moves, so reactivate analysis mode */
14451 SendToProgram("analyze\n", &first);
14452 first.analyzing = TRUE;
14453 /*first.maybeThinking = TRUE;*/
14454 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14461 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14462 if (to >= forwardMostMove) to = forwardMostMove;
14463 if (to <= backwardMostMove) to = backwardMostMove;
14464 if (to < currentMove) {
14472 RevertEvent (Boolean annotate)
14474 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14477 if (gameMode != IcsExamining) {
14478 DisplayError(_("You are not examining a game"), 0);
14482 DisplayError(_("You can't revert while pausing"), 0);
14485 SendToICS(ics_prefix);
14486 SendToICS("revert\n");
14490 RetractMoveEvent ()
14492 switch (gameMode) {
14493 case MachinePlaysWhite:
14494 case MachinePlaysBlack:
14495 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14496 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14499 if (forwardMostMove < 2) return;
14500 currentMove = forwardMostMove = forwardMostMove - 2;
14501 whiteTimeRemaining = timeRemaining[0][currentMove];
14502 blackTimeRemaining = timeRemaining[1][currentMove];
14503 DisplayBothClocks();
14504 DisplayMove(currentMove - 1);
14505 ClearHighlights();/*!! could figure this out*/
14506 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14507 SendToProgram("remove\n", &first);
14508 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14511 case BeginningOfGame:
14515 case IcsPlayingWhite:
14516 case IcsPlayingBlack:
14517 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14518 SendToICS(ics_prefix);
14519 SendToICS("takeback 2\n");
14521 SendToICS(ics_prefix);
14522 SendToICS("takeback 1\n");
14531 ChessProgramState *cps;
14533 switch (gameMode) {
14534 case MachinePlaysWhite:
14535 if (!WhiteOnMove(forwardMostMove)) {
14536 DisplayError(_("It is your turn"), 0);
14541 case MachinePlaysBlack:
14542 if (WhiteOnMove(forwardMostMove)) {
14543 DisplayError(_("It is your turn"), 0);
14548 case TwoMachinesPlay:
14549 if (WhiteOnMove(forwardMostMove) ==
14550 (first.twoMachinesColor[0] == 'w')) {
14556 case BeginningOfGame:
14560 SendToProgram("?\n", cps);
14564 TruncateGameEvent ()
14567 if (gameMode != EditGame) return;
14574 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14575 if (forwardMostMove > currentMove) {
14576 if (gameInfo.resultDetails != NULL) {
14577 free(gameInfo.resultDetails);
14578 gameInfo.resultDetails = NULL;
14579 gameInfo.result = GameUnfinished;
14581 forwardMostMove = currentMove;
14582 HistorySet(parseList, backwardMostMove, forwardMostMove,
14590 if (appData.noChessProgram) return;
14591 switch (gameMode) {
14592 case MachinePlaysWhite:
14593 if (WhiteOnMove(forwardMostMove)) {
14594 DisplayError(_("Wait until your turn"), 0);
14598 case BeginningOfGame:
14599 case MachinePlaysBlack:
14600 if (!WhiteOnMove(forwardMostMove)) {
14601 DisplayError(_("Wait until your turn"), 0);
14606 DisplayError(_("No hint available"), 0);
14609 SendToProgram("hint\n", &first);
14610 hintRequested = TRUE;
14616 if (appData.noChessProgram) return;
14617 switch (gameMode) {
14618 case MachinePlaysWhite:
14619 if (WhiteOnMove(forwardMostMove)) {
14620 DisplayError(_("Wait until your turn"), 0);
14624 case BeginningOfGame:
14625 case MachinePlaysBlack:
14626 if (!WhiteOnMove(forwardMostMove)) {
14627 DisplayError(_("Wait until your turn"), 0);
14632 EditPositionDone(TRUE);
14634 case TwoMachinesPlay:
14639 SendToProgram("bk\n", &first);
14640 bookOutput[0] = NULLCHAR;
14641 bookRequested = TRUE;
14647 char *tags = PGNTags(&gameInfo);
14648 TagsPopUp(tags, CmailMsg());
14652 /* end button procedures */
14655 PrintPosition (FILE *fp, int move)
14659 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14660 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14661 char c = PieceToChar(boards[move][i][j]);
14662 fputc(c == 'x' ? '.' : c, fp);
14663 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14666 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14667 fprintf(fp, "white to play\n");
14669 fprintf(fp, "black to play\n");
14673 PrintOpponents (FILE *fp)
14675 if (gameInfo.white != NULL) {
14676 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14682 /* Find last component of program's own name, using some heuristics */
14684 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14687 int local = (strcmp(host, "localhost") == 0);
14688 while (!local && (p = strchr(prog, ';')) != NULL) {
14690 while (*p == ' ') p++;
14693 if (*prog == '"' || *prog == '\'') {
14694 q = strchr(prog + 1, *prog);
14696 q = strchr(prog, ' ');
14698 if (q == NULL) q = prog + strlen(prog);
14700 while (p >= prog && *p != '/' && *p != '\\') p--;
14702 if(p == prog && *p == '"') p++;
14704 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14705 memcpy(buf, p, q - p);
14706 buf[q - p] = NULLCHAR;
14714 TimeControlTagValue ()
14717 if (!appData.clockMode) {
14718 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14719 } else if (movesPerSession > 0) {
14720 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14721 } else if (timeIncrement == 0) {
14722 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14724 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14726 return StrSave(buf);
14732 /* This routine is used only for certain modes */
14733 VariantClass v = gameInfo.variant;
14734 ChessMove r = GameUnfinished;
14737 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14738 r = gameInfo.result;
14739 p = gameInfo.resultDetails;
14740 gameInfo.resultDetails = NULL;
14742 ClearGameInfo(&gameInfo);
14743 gameInfo.variant = v;
14745 switch (gameMode) {
14746 case MachinePlaysWhite:
14747 gameInfo.event = StrSave( appData.pgnEventHeader );
14748 gameInfo.site = StrSave(HostName());
14749 gameInfo.date = PGNDate();
14750 gameInfo.round = StrSave("-");
14751 gameInfo.white = StrSave(first.tidy);
14752 gameInfo.black = StrSave(UserName());
14753 gameInfo.timeControl = TimeControlTagValue();
14756 case MachinePlaysBlack:
14757 gameInfo.event = StrSave( appData.pgnEventHeader );
14758 gameInfo.site = StrSave(HostName());
14759 gameInfo.date = PGNDate();
14760 gameInfo.round = StrSave("-");
14761 gameInfo.white = StrSave(UserName());
14762 gameInfo.black = StrSave(first.tidy);
14763 gameInfo.timeControl = TimeControlTagValue();
14766 case TwoMachinesPlay:
14767 gameInfo.event = StrSave( appData.pgnEventHeader );
14768 gameInfo.site = StrSave(HostName());
14769 gameInfo.date = PGNDate();
14772 snprintf(buf, MSG_SIZ, "%d", roundNr);
14773 gameInfo.round = StrSave(buf);
14775 gameInfo.round = StrSave("-");
14777 if (first.twoMachinesColor[0] == 'w') {
14778 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14779 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14781 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14782 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14784 gameInfo.timeControl = TimeControlTagValue();
14788 gameInfo.event = StrSave("Edited game");
14789 gameInfo.site = StrSave(HostName());
14790 gameInfo.date = PGNDate();
14791 gameInfo.round = StrSave("-");
14792 gameInfo.white = StrSave("-");
14793 gameInfo.black = StrSave("-");
14794 gameInfo.result = r;
14795 gameInfo.resultDetails = p;
14799 gameInfo.event = StrSave("Edited position");
14800 gameInfo.site = StrSave(HostName());
14801 gameInfo.date = PGNDate();
14802 gameInfo.round = StrSave("-");
14803 gameInfo.white = StrSave("-");
14804 gameInfo.black = StrSave("-");
14807 case IcsPlayingWhite:
14808 case IcsPlayingBlack:
14813 case PlayFromGameFile:
14814 gameInfo.event = StrSave("Game from non-PGN file");
14815 gameInfo.site = StrSave(HostName());
14816 gameInfo.date = PGNDate();
14817 gameInfo.round = StrSave("-");
14818 gameInfo.white = StrSave("?");
14819 gameInfo.black = StrSave("?");
14828 ReplaceComment (int index, char *text)
14834 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14835 pvInfoList[index-1].depth == len &&
14836 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14837 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14838 while (*text == '\n') text++;
14839 len = strlen(text);
14840 while (len > 0 && text[len - 1] == '\n') len--;
14842 if (commentList[index] != NULL)
14843 free(commentList[index]);
14846 commentList[index] = NULL;
14849 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14850 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14851 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14852 commentList[index] = (char *) malloc(len + 2);
14853 strncpy(commentList[index], text, len);
14854 commentList[index][len] = '\n';
14855 commentList[index][len + 1] = NULLCHAR;
14857 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14859 commentList[index] = (char *) malloc(len + 7);
14860 safeStrCpy(commentList[index], "{\n", 3);
14861 safeStrCpy(commentList[index]+2, text, len+1);
14862 commentList[index][len+2] = NULLCHAR;
14863 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14864 strcat(commentList[index], "\n}\n");
14869 CrushCRs (char *text)
14877 if (ch == '\r') continue;
14879 } while (ch != '\0');
14883 AppendComment (int index, char *text, Boolean addBraces)
14884 /* addBraces tells if we should add {} */
14889 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14890 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14893 while (*text == '\n') text++;
14894 len = strlen(text);
14895 while (len > 0 && text[len - 1] == '\n') len--;
14896 text[len] = NULLCHAR;
14898 if (len == 0) return;
14900 if (commentList[index] != NULL) {
14901 Boolean addClosingBrace = addBraces;
14902 old = commentList[index];
14903 oldlen = strlen(old);
14904 while(commentList[index][oldlen-1] == '\n')
14905 commentList[index][--oldlen] = NULLCHAR;
14906 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14907 safeStrCpy(commentList[index], old, oldlen + len + 6);
14909 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14910 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14911 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14912 while (*text == '\n') { text++; len--; }
14913 commentList[index][--oldlen] = NULLCHAR;
14915 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14916 else strcat(commentList[index], "\n");
14917 strcat(commentList[index], text);
14918 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14919 else strcat(commentList[index], "\n");
14921 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14923 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14924 else commentList[index][0] = NULLCHAR;
14925 strcat(commentList[index], text);
14926 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14927 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14932 FindStr (char * text, char * sub_text)
14934 char * result = strstr( text, sub_text );
14936 if( result != NULL ) {
14937 result += strlen( sub_text );
14943 /* [AS] Try to extract PV info from PGN comment */
14944 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14946 GetInfoFromComment (int index, char * text)
14948 char * sep = text, *p;
14950 if( text != NULL && index > 0 ) {
14953 int time = -1, sec = 0, deci;
14954 char * s_eval = FindStr( text, "[%eval " );
14955 char * s_emt = FindStr( text, "[%emt " );
14957 if( s_eval != NULL || s_emt != NULL ) {
14961 if( s_eval != NULL ) {
14962 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14966 if( delim != ']' ) {
14971 if( s_emt != NULL ) {
14976 /* We expect something like: [+|-]nnn.nn/dd */
14979 if(*text != '{') return text; // [HGM] braces: must be normal comment
14981 sep = strchr( text, '/' );
14982 if( sep == NULL || sep < (text+4) ) {
14987 if(p[1] == '(') { // comment starts with PV
14988 p = strchr(p, ')'); // locate end of PV
14989 if(p == NULL || sep < p+5) return text;
14990 // at this point we have something like "{(.*) +0.23/6 ..."
14991 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14992 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14993 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14995 time = -1; sec = -1; deci = -1;
14996 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14997 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14998 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14999 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15003 if( score_lo < 0 || score_lo >= 100 ) {
15007 if(sec >= 0) time = 600*time + 10*sec; else
15008 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15010 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15012 /* [HGM] PV time: now locate end of PV info */
15013 while( *++sep >= '0' && *sep <= '9'); // strip depth
15015 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15017 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15019 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15020 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15031 pvInfoList[index-1].depth = depth;
15032 pvInfoList[index-1].score = score;
15033 pvInfoList[index-1].time = 10*time; // centi-sec
15034 if(*sep == '}') *sep = 0; else *--sep = '{';
15035 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15041 SendToProgram (char *message, ChessProgramState *cps)
15043 int count, outCount, error;
15046 if (cps->pr == NoProc) return;
15049 if (appData.debugMode) {
15052 fprintf(debugFP, "%ld >%-6s: %s",
15053 SubtractTimeMarks(&now, &programStartTime),
15054 cps->which, message);
15056 fprintf(serverFP, "%ld >%-6s: %s",
15057 SubtractTimeMarks(&now, &programStartTime),
15058 cps->which, message), fflush(serverFP);
15061 count = strlen(message);
15062 outCount = OutputToProcess(cps->pr, message, count, &error);
15063 if (outCount < count && !exiting
15064 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15065 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15066 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15067 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15068 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15069 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15070 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15071 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15073 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15074 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15075 gameInfo.result = res;
15077 gameInfo.resultDetails = StrSave(buf);
15079 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15080 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15085 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15089 ChessProgramState *cps = (ChessProgramState *)closure;
15091 if (isr != cps->isr) return; /* Killed intentionally */
15094 RemoveInputSource(cps->isr);
15095 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15096 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15097 _(cps->which), cps->program);
15098 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15099 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15100 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15101 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15102 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15104 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15105 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15106 gameInfo.result = res;
15108 gameInfo.resultDetails = StrSave(buf);
15110 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15111 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15113 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15114 _(cps->which), cps->program);
15115 RemoveInputSource(cps->isr);
15117 /* [AS] Program is misbehaving badly... kill it */
15118 if( count == -2 ) {
15119 DestroyChildProcess( cps->pr, 9 );
15123 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15128 if ((end_str = strchr(message, '\r')) != NULL)
15129 *end_str = NULLCHAR;
15130 if ((end_str = strchr(message, '\n')) != NULL)
15131 *end_str = NULLCHAR;
15133 if (appData.debugMode) {
15134 TimeMark now; int print = 1;
15135 char *quote = ""; char c; int i;
15137 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15138 char start = message[0];
15139 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15140 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15141 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15142 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15143 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15144 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15145 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15146 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15147 sscanf(message, "hint: %c", &c)!=1 &&
15148 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15149 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15150 print = (appData.engineComments >= 2);
15152 message[0] = start; // restore original message
15156 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15157 SubtractTimeMarks(&now, &programStartTime), cps->which,
15161 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15162 SubtractTimeMarks(&now, &programStartTime), cps->which,
15164 message), fflush(serverFP);
15168 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15169 if (appData.icsEngineAnalyze) {
15170 if (strstr(message, "whisper") != NULL ||
15171 strstr(message, "kibitz") != NULL ||
15172 strstr(message, "tellics") != NULL) return;
15175 HandleMachineMove(message, cps);
15180 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15185 if( timeControl_2 > 0 ) {
15186 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15187 tc = timeControl_2;
15190 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15191 inc /= cps->timeOdds;
15192 st /= cps->timeOdds;
15194 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15197 /* Set exact time per move, normally using st command */
15198 if (cps->stKludge) {
15199 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15201 if (seconds == 0) {
15202 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15204 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15207 snprintf(buf, MSG_SIZ, "st %d\n", st);
15210 /* Set conventional or incremental time control, using level command */
15211 if (seconds == 0) {
15212 /* Note old gnuchess bug -- minutes:seconds used to not work.
15213 Fixed in later versions, but still avoid :seconds
15214 when seconds is 0. */
15215 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15217 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15218 seconds, inc/1000.);
15221 SendToProgram(buf, cps);
15223 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15224 /* Orthogonally, limit search to given depth */
15226 if (cps->sdKludge) {
15227 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15229 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15231 SendToProgram(buf, cps);
15234 if(cps->nps >= 0) { /* [HGM] nps */
15235 if(cps->supportsNPS == FALSE)
15236 cps->nps = -1; // don't use if engine explicitly says not supported!
15238 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15239 SendToProgram(buf, cps);
15244 ChessProgramState *
15246 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15248 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15249 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15255 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15257 char message[MSG_SIZ];
15260 /* Note: this routine must be called when the clocks are stopped
15261 or when they have *just* been set or switched; otherwise
15262 it will be off by the time since the current tick started.
15264 if (machineWhite) {
15265 time = whiteTimeRemaining / 10;
15266 otime = blackTimeRemaining / 10;
15268 time = blackTimeRemaining / 10;
15269 otime = whiteTimeRemaining / 10;
15271 /* [HGM] translate opponent's time by time-odds factor */
15272 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15274 if (time <= 0) time = 1;
15275 if (otime <= 0) otime = 1;
15277 snprintf(message, MSG_SIZ, "time %ld\n", time);
15278 SendToProgram(message, cps);
15280 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15281 SendToProgram(message, cps);
15285 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15288 int len = strlen(name);
15291 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15293 sscanf(*p, "%d", &val);
15295 while (**p && **p != ' ')
15297 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15298 SendToProgram(buf, cps);
15305 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15308 int len = strlen(name);
15309 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15311 sscanf(*p, "%d", loc);
15312 while (**p && **p != ' ') (*p)++;
15313 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15314 SendToProgram(buf, cps);
15321 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15324 int len = strlen(name);
15325 if (strncmp((*p), name, len) == 0
15326 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15328 sscanf(*p, "%[^\"]", loc);
15329 while (**p && **p != '\"') (*p)++;
15330 if (**p == '\"') (*p)++;
15331 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15332 SendToProgram(buf, cps);
15339 ParseOption (Option *opt, ChessProgramState *cps)
15340 // [HGM] options: process the string that defines an engine option, and determine
15341 // name, type, default value, and allowed value range
15343 char *p, *q, buf[MSG_SIZ];
15344 int n, min = (-1)<<31, max = 1<<31, def;
15346 if(p = strstr(opt->name, " -spin ")) {
15347 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15348 if(max < min) max = min; // enforce consistency
15349 if(def < min) def = min;
15350 if(def > max) def = max;
15355 } else if((p = strstr(opt->name, " -slider "))) {
15356 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15357 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15358 if(max < min) max = min; // enforce consistency
15359 if(def < min) def = min;
15360 if(def > max) def = max;
15364 opt->type = Spin; // Slider;
15365 } else if((p = strstr(opt->name, " -string "))) {
15366 opt->textValue = p+9;
15367 opt->type = TextBox;
15368 } else if((p = strstr(opt->name, " -file "))) {
15369 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15370 opt->textValue = p+7;
15371 opt->type = FileName; // FileName;
15372 } else if((p = strstr(opt->name, " -path "))) {
15373 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15374 opt->textValue = p+7;
15375 opt->type = PathName; // PathName;
15376 } else if(p = strstr(opt->name, " -check ")) {
15377 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15378 opt->value = (def != 0);
15379 opt->type = CheckBox;
15380 } else if(p = strstr(opt->name, " -combo ")) {
15381 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15382 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15383 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15384 opt->value = n = 0;
15385 while(q = StrStr(q, " /// ")) {
15386 n++; *q = 0; // count choices, and null-terminate each of them
15388 if(*q == '*') { // remember default, which is marked with * prefix
15392 cps->comboList[cps->comboCnt++] = q;
15394 cps->comboList[cps->comboCnt++] = NULL;
15396 opt->type = ComboBox;
15397 } else if(p = strstr(opt->name, " -button")) {
15398 opt->type = Button;
15399 } else if(p = strstr(opt->name, " -save")) {
15400 opt->type = SaveButton;
15401 } else return FALSE;
15402 *p = 0; // terminate option name
15403 // now look if the command-line options define a setting for this engine option.
15404 if(cps->optionSettings && cps->optionSettings[0])
15405 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15406 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15407 snprintf(buf, MSG_SIZ, "option %s", p);
15408 if(p = strstr(buf, ",")) *p = 0;
15409 if(q = strchr(buf, '=')) switch(opt->type) {
15411 for(n=0; n<opt->max; n++)
15412 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15415 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15419 opt->value = atoi(q+1);
15424 SendToProgram(buf, cps);
15430 FeatureDone (ChessProgramState *cps, int val)
15432 DelayedEventCallback cb = GetDelayedEvent();
15433 if ((cb == InitBackEnd3 && cps == &first) ||
15434 (cb == SettingsMenuIfReady && cps == &second) ||
15435 (cb == LoadEngine) ||
15436 (cb == TwoMachinesEventIfReady)) {
15437 CancelDelayedEvent();
15438 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15440 cps->initDone = val;
15443 /* Parse feature command from engine */
15445 ParseFeatures (char *args, ChessProgramState *cps)
15453 while (*p == ' ') p++;
15454 if (*p == NULLCHAR) return;
15456 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15457 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15458 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15459 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15460 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15461 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15462 if (BoolFeature(&p, "reuse", &val, cps)) {
15463 /* Engine can disable reuse, but can't enable it if user said no */
15464 if (!val) cps->reuse = FALSE;
15467 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15468 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15469 if (gameMode == TwoMachinesPlay) {
15470 DisplayTwoMachinesTitle();
15476 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15477 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15478 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15479 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15480 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15481 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15482 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15483 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15484 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15485 if (IntFeature(&p, "done", &val, cps)) {
15486 FeatureDone(cps, val);
15489 /* Added by Tord: */
15490 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15491 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15492 /* End of additions by Tord */
15494 /* [HGM] added features: */
15495 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15496 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15497 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15498 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15499 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15500 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15501 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15502 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15503 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15504 SendToProgram(buf, cps);
15507 if(cps->nrOptions >= MAX_OPTIONS) {
15509 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15510 DisplayError(buf, 0);
15514 /* End of additions by HGM */
15516 /* unknown feature: complain and skip */
15518 while (*q && *q != '=') q++;
15519 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15520 SendToProgram(buf, cps);
15526 while (*p && *p != '\"') p++;
15527 if (*p == '\"') p++;
15529 while (*p && *p != ' ') p++;
15537 PeriodicUpdatesEvent (int newState)
15539 if (newState == appData.periodicUpdates)
15542 appData.periodicUpdates=newState;
15544 /* Display type changes, so update it now */
15545 // DisplayAnalysis();
15547 /* Get the ball rolling again... */
15549 AnalysisPeriodicEvent(1);
15550 StartAnalysisClock();
15555 PonderNextMoveEvent (int newState)
15557 if (newState == appData.ponderNextMove) return;
15558 if (gameMode == EditPosition) EditPositionDone(TRUE);
15560 SendToProgram("hard\n", &first);
15561 if (gameMode == TwoMachinesPlay) {
15562 SendToProgram("hard\n", &second);
15565 SendToProgram("easy\n", &first);
15566 thinkOutput[0] = NULLCHAR;
15567 if (gameMode == TwoMachinesPlay) {
15568 SendToProgram("easy\n", &second);
15571 appData.ponderNextMove = newState;
15575 NewSettingEvent (int option, int *feature, char *command, int value)
15579 if (gameMode == EditPosition) EditPositionDone(TRUE);
15580 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15581 if(feature == NULL || *feature) SendToProgram(buf, &first);
15582 if (gameMode == TwoMachinesPlay) {
15583 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15588 ShowThinkingEvent ()
15589 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15591 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15592 int newState = appData.showThinking
15593 // [HGM] thinking: other features now need thinking output as well
15594 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15596 if (oldState == newState) return;
15597 oldState = newState;
15598 if (gameMode == EditPosition) EditPositionDone(TRUE);
15600 SendToProgram("post\n", &first);
15601 if (gameMode == TwoMachinesPlay) {
15602 SendToProgram("post\n", &second);
15605 SendToProgram("nopost\n", &first);
15606 thinkOutput[0] = NULLCHAR;
15607 if (gameMode == TwoMachinesPlay) {
15608 SendToProgram("nopost\n", &second);
15611 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15615 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15617 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15618 if (pr == NoProc) return;
15619 AskQuestion(title, question, replyPrefix, pr);
15623 TypeInEvent (char firstChar)
15625 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15626 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15627 gameMode == AnalyzeMode || gameMode == EditGame ||
15628 gameMode == EditPosition || gameMode == IcsExamining ||
15629 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15630 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15631 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15632 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15633 gameMode == Training) PopUpMoveDialog(firstChar);
15637 TypeInDoneEvent (char *move)
15640 int n, fromX, fromY, toX, toY;
15642 ChessMove moveType;
15645 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15646 EditPositionPasteFEN(move);
15649 // [HGM] movenum: allow move number to be typed in any mode
15650 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15654 // undocumented kludge: allow command-line option to be typed in!
15655 // (potentially fatal, and does not implement the effect of the option.)
15656 // should only be used for options that are values on which future decisions will be made,
15657 // and definitely not on options that would be used during initialization.
15658 if(strstr(move, "!!! -") == move) {
15659 ParseArgsFromString(move+4);
15663 if (gameMode != EditGame && currentMove != forwardMostMove &&
15664 gameMode != Training) {
15665 DisplayMoveError(_("Displayed move is not current"));
15667 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15668 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15669 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15670 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15671 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15672 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15674 DisplayMoveError(_("Could not parse move"));
15680 DisplayMove (int moveNumber)
15682 char message[MSG_SIZ];
15684 char cpThinkOutput[MSG_SIZ];
15686 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15688 if (moveNumber == forwardMostMove - 1 ||
15689 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15691 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15693 if (strchr(cpThinkOutput, '\n')) {
15694 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15697 *cpThinkOutput = NULLCHAR;
15700 /* [AS] Hide thinking from human user */
15701 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15702 *cpThinkOutput = NULLCHAR;
15703 if( thinkOutput[0] != NULLCHAR ) {
15706 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15707 cpThinkOutput[i] = '.';
15709 cpThinkOutput[i] = NULLCHAR;
15710 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15714 if (moveNumber == forwardMostMove - 1 &&
15715 gameInfo.resultDetails != NULL) {
15716 if (gameInfo.resultDetails[0] == NULLCHAR) {
15717 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15719 snprintf(res, MSG_SIZ, " {%s} %s",
15720 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15726 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15727 DisplayMessage(res, cpThinkOutput);
15729 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15730 WhiteOnMove(moveNumber) ? " " : ".. ",
15731 parseList[moveNumber], res);
15732 DisplayMessage(message, cpThinkOutput);
15737 DisplayComment (int moveNumber, char *text)
15739 char title[MSG_SIZ];
15741 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15742 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15744 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15745 WhiteOnMove(moveNumber) ? " " : ".. ",
15746 parseList[moveNumber]);
15748 if (text != NULL && (appData.autoDisplayComment || commentUp))
15749 CommentPopUp(title, text);
15752 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15753 * might be busy thinking or pondering. It can be omitted if your
15754 * gnuchess is configured to stop thinking immediately on any user
15755 * input. However, that gnuchess feature depends on the FIONREAD
15756 * ioctl, which does not work properly on some flavors of Unix.
15759 Attention (ChessProgramState *cps)
15762 if (!cps->useSigint) return;
15763 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15764 switch (gameMode) {
15765 case MachinePlaysWhite:
15766 case MachinePlaysBlack:
15767 case TwoMachinesPlay:
15768 case IcsPlayingWhite:
15769 case IcsPlayingBlack:
15772 /* Skip if we know it isn't thinking */
15773 if (!cps->maybeThinking) return;
15774 if (appData.debugMode)
15775 fprintf(debugFP, "Interrupting %s\n", cps->which);
15776 InterruptChildProcess(cps->pr);
15777 cps->maybeThinking = FALSE;
15782 #endif /*ATTENTION*/
15788 if (whiteTimeRemaining <= 0) {
15791 if (appData.icsActive) {
15792 if (appData.autoCallFlag &&
15793 gameMode == IcsPlayingBlack && !blackFlag) {
15794 SendToICS(ics_prefix);
15795 SendToICS("flag\n");
15799 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15801 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15802 if (appData.autoCallFlag) {
15803 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15810 if (blackTimeRemaining <= 0) {
15813 if (appData.icsActive) {
15814 if (appData.autoCallFlag &&
15815 gameMode == IcsPlayingWhite && !whiteFlag) {
15816 SendToICS(ics_prefix);
15817 SendToICS("flag\n");
15821 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15823 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15824 if (appData.autoCallFlag) {
15825 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15836 CheckTimeControl ()
15838 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15839 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15842 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15844 if ( !WhiteOnMove(forwardMostMove) ) {
15845 /* White made time control */
15846 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15847 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15848 /* [HGM] time odds: correct new time quota for time odds! */
15849 / WhitePlayer()->timeOdds;
15850 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15852 lastBlack -= blackTimeRemaining;
15853 /* Black made time control */
15854 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15855 / WhitePlayer()->other->timeOdds;
15856 lastWhite = whiteTimeRemaining;
15861 DisplayBothClocks ()
15863 int wom = gameMode == EditPosition ?
15864 !blackPlaysFirst : WhiteOnMove(currentMove);
15865 DisplayWhiteClock(whiteTimeRemaining, wom);
15866 DisplayBlackClock(blackTimeRemaining, !wom);
15870 /* Timekeeping seems to be a portability nightmare. I think everyone
15871 has ftime(), but I'm really not sure, so I'm including some ifdefs
15872 to use other calls if you don't. Clocks will be less accurate if
15873 you have neither ftime nor gettimeofday.
15876 /* VS 2008 requires the #include outside of the function */
15877 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15878 #include <sys/timeb.h>
15881 /* Get the current time as a TimeMark */
15883 GetTimeMark (TimeMark *tm)
15885 #if HAVE_GETTIMEOFDAY
15887 struct timeval timeVal;
15888 struct timezone timeZone;
15890 gettimeofday(&timeVal, &timeZone);
15891 tm->sec = (long) timeVal.tv_sec;
15892 tm->ms = (int) (timeVal.tv_usec / 1000L);
15894 #else /*!HAVE_GETTIMEOFDAY*/
15897 // include <sys/timeb.h> / moved to just above start of function
15898 struct timeb timeB;
15901 tm->sec = (long) timeB.time;
15902 tm->ms = (int) timeB.millitm;
15904 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15905 tm->sec = (long) time(NULL);
15911 /* Return the difference in milliseconds between two
15912 time marks. We assume the difference will fit in a long!
15915 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15917 return 1000L*(tm2->sec - tm1->sec) +
15918 (long) (tm2->ms - tm1->ms);
15923 * Code to manage the game clocks.
15925 * In tournament play, black starts the clock and then white makes a move.
15926 * We give the human user a slight advantage if he is playing white---the
15927 * clocks don't run until he makes his first move, so it takes zero time.
15928 * Also, we don't account for network lag, so we could get out of sync
15929 * with GNU Chess's clock -- but then, referees are always right.
15932 static TimeMark tickStartTM;
15933 static long intendedTickLength;
15936 NextTickLength (long timeRemaining)
15938 long nominalTickLength, nextTickLength;
15940 if (timeRemaining > 0L && timeRemaining <= 10000L)
15941 nominalTickLength = 100L;
15943 nominalTickLength = 1000L;
15944 nextTickLength = timeRemaining % nominalTickLength;
15945 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15947 return nextTickLength;
15950 /* Adjust clock one minute up or down */
15952 AdjustClock (Boolean which, int dir)
15954 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15955 if(which) blackTimeRemaining += 60000*dir;
15956 else whiteTimeRemaining += 60000*dir;
15957 DisplayBothClocks();
15958 adjustedClock = TRUE;
15961 /* Stop clocks and reset to a fresh time control */
15965 (void) StopClockTimer();
15966 if (appData.icsActive) {
15967 whiteTimeRemaining = blackTimeRemaining = 0;
15968 } else if (searchTime) {
15969 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15970 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15971 } else { /* [HGM] correct new time quote for time odds */
15972 whiteTC = blackTC = fullTimeControlString;
15973 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15974 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15976 if (whiteFlag || blackFlag) {
15978 whiteFlag = blackFlag = FALSE;
15980 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15981 DisplayBothClocks();
15982 adjustedClock = FALSE;
15985 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15987 /* Decrement running clock by amount of time that has passed */
15991 long timeRemaining;
15992 long lastTickLength, fudge;
15995 if (!appData.clockMode) return;
15996 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16000 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16002 /* Fudge if we woke up a little too soon */
16003 fudge = intendedTickLength - lastTickLength;
16004 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16006 if (WhiteOnMove(forwardMostMove)) {
16007 if(whiteNPS >= 0) lastTickLength = 0;
16008 timeRemaining = whiteTimeRemaining -= lastTickLength;
16009 if(timeRemaining < 0 && !appData.icsActive) {
16010 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16011 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16012 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16013 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16016 DisplayWhiteClock(whiteTimeRemaining - fudge,
16017 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16019 if(blackNPS >= 0) lastTickLength = 0;
16020 timeRemaining = blackTimeRemaining -= lastTickLength;
16021 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16022 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16024 blackStartMove = forwardMostMove;
16025 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16028 DisplayBlackClock(blackTimeRemaining - fudge,
16029 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16031 if (CheckFlags()) return;
16034 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16035 StartClockTimer(intendedTickLength);
16037 /* if the time remaining has fallen below the alarm threshold, sound the
16038 * alarm. if the alarm has sounded and (due to a takeback or time control
16039 * with increment) the time remaining has increased to a level above the
16040 * threshold, reset the alarm so it can sound again.
16043 if (appData.icsActive && appData.icsAlarm) {
16045 /* make sure we are dealing with the user's clock */
16046 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16047 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16050 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16051 alarmSounded = FALSE;
16052 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16054 alarmSounded = TRUE;
16060 /* A player has just moved, so stop the previously running
16061 clock and (if in clock mode) start the other one.
16062 We redisplay both clocks in case we're in ICS mode, because
16063 ICS gives us an update to both clocks after every move.
16064 Note that this routine is called *after* forwardMostMove
16065 is updated, so the last fractional tick must be subtracted
16066 from the color that is *not* on move now.
16069 SwitchClocks (int newMoveNr)
16071 long lastTickLength;
16073 int flagged = FALSE;
16077 if (StopClockTimer() && appData.clockMode) {
16078 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16079 if (!WhiteOnMove(forwardMostMove)) {
16080 if(blackNPS >= 0) lastTickLength = 0;
16081 blackTimeRemaining -= lastTickLength;
16082 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16083 // if(pvInfoList[forwardMostMove].time == -1)
16084 pvInfoList[forwardMostMove].time = // use GUI time
16085 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16087 if(whiteNPS >= 0) lastTickLength = 0;
16088 whiteTimeRemaining -= lastTickLength;
16089 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16090 // if(pvInfoList[forwardMostMove].time == -1)
16091 pvInfoList[forwardMostMove].time =
16092 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16094 flagged = CheckFlags();
16096 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16097 CheckTimeControl();
16099 if (flagged || !appData.clockMode) return;
16101 switch (gameMode) {
16102 case MachinePlaysBlack:
16103 case MachinePlaysWhite:
16104 case BeginningOfGame:
16105 if (pausing) return;
16109 case PlayFromGameFile:
16117 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16118 if(WhiteOnMove(forwardMostMove))
16119 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16120 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16124 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16125 whiteTimeRemaining : blackTimeRemaining);
16126 StartClockTimer(intendedTickLength);
16130 /* Stop both clocks */
16134 long lastTickLength;
16137 if (!StopClockTimer()) return;
16138 if (!appData.clockMode) return;
16142 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16143 if (WhiteOnMove(forwardMostMove)) {
16144 if(whiteNPS >= 0) lastTickLength = 0;
16145 whiteTimeRemaining -= lastTickLength;
16146 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16148 if(blackNPS >= 0) lastTickLength = 0;
16149 blackTimeRemaining -= lastTickLength;
16150 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16155 /* Start clock of player on move. Time may have been reset, so
16156 if clock is already running, stop and restart it. */
16160 (void) StopClockTimer(); /* in case it was running already */
16161 DisplayBothClocks();
16162 if (CheckFlags()) return;
16164 if (!appData.clockMode) return;
16165 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16167 GetTimeMark(&tickStartTM);
16168 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16169 whiteTimeRemaining : blackTimeRemaining);
16171 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16172 whiteNPS = blackNPS = -1;
16173 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16174 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16175 whiteNPS = first.nps;
16176 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16177 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16178 blackNPS = first.nps;
16179 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16180 whiteNPS = second.nps;
16181 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16182 blackNPS = second.nps;
16183 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16185 StartClockTimer(intendedTickLength);
16189 TimeString (long ms)
16191 long second, minute, hour, day;
16193 static char buf[32];
16195 if (ms > 0 && ms <= 9900) {
16196 /* convert milliseconds to tenths, rounding up */
16197 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16199 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16203 /* convert milliseconds to seconds, rounding up */
16204 /* use floating point to avoid strangeness of integer division
16205 with negative dividends on many machines */
16206 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16213 day = second / (60 * 60 * 24);
16214 second = second % (60 * 60 * 24);
16215 hour = second / (60 * 60);
16216 second = second % (60 * 60);
16217 minute = second / 60;
16218 second = second % 60;
16221 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16222 sign, day, hour, minute, second);
16224 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16226 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16233 * This is necessary because some C libraries aren't ANSI C compliant yet.
16236 StrStr (char *string, char *match)
16240 length = strlen(match);
16242 for (i = strlen(string) - length; i >= 0; i--, string++)
16243 if (!strncmp(match, string, length))
16250 StrCaseStr (char *string, char *match)
16254 length = strlen(match);
16256 for (i = strlen(string) - length; i >= 0; i--, string++) {
16257 for (j = 0; j < length; j++) {
16258 if (ToLower(match[j]) != ToLower(string[j]))
16261 if (j == length) return string;
16269 StrCaseCmp (char *s1, char *s2)
16274 c1 = ToLower(*s1++);
16275 c2 = ToLower(*s2++);
16276 if (c1 > c2) return 1;
16277 if (c1 < c2) return -1;
16278 if (c1 == NULLCHAR) return 0;
16286 return isupper(c) ? tolower(c) : c;
16293 return islower(c) ? toupper(c) : c;
16295 #endif /* !_amigados */
16302 if ((ret = (char *) malloc(strlen(s) + 1)))
16304 safeStrCpy(ret, s, strlen(s)+1);
16310 StrSavePtr (char *s, char **savePtr)
16315 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16316 safeStrCpy(*savePtr, s, strlen(s)+1);
16328 clock = time((time_t *)NULL);
16329 tm = localtime(&clock);
16330 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16331 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16332 return StrSave(buf);
16337 PositionToFEN (int move, char *overrideCastling)
16339 int i, j, fromX, fromY, toX, toY;
16346 whiteToPlay = (gameMode == EditPosition) ?
16347 !blackPlaysFirst : (move % 2 == 0);
16350 /* Piece placement data */
16351 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16352 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16354 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16355 if (boards[move][i][j] == EmptySquare) {
16357 } else { ChessSquare piece = boards[move][i][j];
16358 if (emptycount > 0) {
16359 if(emptycount<10) /* [HGM] can be >= 10 */
16360 *p++ = '0' + emptycount;
16361 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16364 if(PieceToChar(piece) == '+') {
16365 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16367 piece = (ChessSquare)(DEMOTED piece);
16369 *p++ = PieceToChar(piece);
16371 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16372 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16377 if (emptycount > 0) {
16378 if(emptycount<10) /* [HGM] can be >= 10 */
16379 *p++ = '0' + emptycount;
16380 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16387 /* [HGM] print Crazyhouse or Shogi holdings */
16388 if( gameInfo.holdingsWidth ) {
16389 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16391 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16392 piece = boards[move][i][BOARD_WIDTH-1];
16393 if( piece != EmptySquare )
16394 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16395 *p++ = PieceToChar(piece);
16397 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16398 piece = boards[move][BOARD_HEIGHT-i-1][0];
16399 if( piece != EmptySquare )
16400 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16401 *p++ = PieceToChar(piece);
16404 if( q == p ) *p++ = '-';
16410 *p++ = whiteToPlay ? 'w' : 'b';
16413 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16414 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16416 if(nrCastlingRights) {
16418 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16419 /* [HGM] write directly from rights */
16420 if(boards[move][CASTLING][2] != NoRights &&
16421 boards[move][CASTLING][0] != NoRights )
16422 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16423 if(boards[move][CASTLING][2] != NoRights &&
16424 boards[move][CASTLING][1] != NoRights )
16425 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16426 if(boards[move][CASTLING][5] != NoRights &&
16427 boards[move][CASTLING][3] != NoRights )
16428 *p++ = boards[move][CASTLING][3] + AAA;
16429 if(boards[move][CASTLING][5] != NoRights &&
16430 boards[move][CASTLING][4] != NoRights )
16431 *p++ = boards[move][CASTLING][4] + AAA;
16434 /* [HGM] write true castling rights */
16435 if( nrCastlingRights == 6 ) {
16436 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16437 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16438 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16439 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16440 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16441 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16442 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16443 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16446 if (q == p) *p++ = '-'; /* No castling rights */
16450 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16451 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16452 /* En passant target square */
16453 if (move > backwardMostMove) {
16454 fromX = moveList[move - 1][0] - AAA;
16455 fromY = moveList[move - 1][1] - ONE;
16456 toX = moveList[move - 1][2] - AAA;
16457 toY = moveList[move - 1][3] - ONE;
16458 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16459 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16460 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16462 /* 2-square pawn move just happened */
16464 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16468 } else if(move == backwardMostMove) {
16469 // [HGM] perhaps we should always do it like this, and forget the above?
16470 if((signed char)boards[move][EP_STATUS] >= 0) {
16471 *p++ = boards[move][EP_STATUS] + AAA;
16472 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16483 /* [HGM] find reversible plies */
16484 { int i = 0, j=move;
16486 if (appData.debugMode) { int k;
16487 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16488 for(k=backwardMostMove; k<=forwardMostMove; k++)
16489 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16493 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16494 if( j == backwardMostMove ) i += initialRulePlies;
16495 sprintf(p, "%d ", i);
16496 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16498 /* Fullmove number */
16499 sprintf(p, "%d", (move / 2) + 1);
16501 return StrSave(buf);
16505 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16514 /* [HGM] by default clear Crazyhouse holdings, if present */
16515 if(gameInfo.holdingsWidth) {
16516 for(i=0; i<BOARD_HEIGHT; i++) {
16517 board[i][0] = EmptySquare; /* black holdings */
16518 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16519 board[i][1] = (ChessSquare) 0; /* black counts */
16520 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16524 /* Piece placement data */
16525 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16528 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16529 if (*p == '/') p++;
16530 emptycount = gameInfo.boardWidth - j;
16531 while (emptycount--)
16532 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16534 #if(BOARD_FILES >= 10)
16535 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16536 p++; emptycount=10;
16537 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16538 while (emptycount--)
16539 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16541 } else if (isdigit(*p)) {
16542 emptycount = *p++ - '0';
16543 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16544 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16545 while (emptycount--)
16546 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16547 } else if (*p == '+' || isalpha(*p)) {
16548 if (j >= gameInfo.boardWidth) return FALSE;
16550 piece = CharToPiece(*++p);
16551 if(piece == EmptySquare) return FALSE; /* unknown piece */
16552 piece = (ChessSquare) (PROMOTED piece ); p++;
16553 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16554 } else piece = CharToPiece(*p++);
16556 if(piece==EmptySquare) return FALSE; /* unknown piece */
16557 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16558 piece = (ChessSquare) (PROMOTED piece);
16559 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16562 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16568 while (*p == '/' || *p == ' ') p++;
16570 /* [HGM] look for Crazyhouse holdings here */
16571 while(*p==' ') p++;
16572 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16574 if(*p == '-' ) p++; /* empty holdings */ else {
16575 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16576 /* if we would allow FEN reading to set board size, we would */
16577 /* have to add holdings and shift the board read so far here */
16578 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16580 if((int) piece >= (int) BlackPawn ) {
16581 i = (int)piece - (int)BlackPawn;
16582 i = PieceToNumber((ChessSquare)i);
16583 if( i >= gameInfo.holdingsSize ) return FALSE;
16584 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16585 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16587 i = (int)piece - (int)WhitePawn;
16588 i = PieceToNumber((ChessSquare)i);
16589 if( i >= gameInfo.holdingsSize ) return FALSE;
16590 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16591 board[i][BOARD_WIDTH-2]++; /* black holdings */
16598 while(*p == ' ') p++;
16602 if(appData.colorNickNames) {
16603 if( c == appData.colorNickNames[0] ) c = 'w'; else
16604 if( c == appData.colorNickNames[1] ) c = 'b';
16608 *blackPlaysFirst = FALSE;
16611 *blackPlaysFirst = TRUE;
16617 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16618 /* return the extra info in global variiables */
16620 /* set defaults in case FEN is incomplete */
16621 board[EP_STATUS] = EP_UNKNOWN;
16622 for(i=0; i<nrCastlingRights; i++ ) {
16623 board[CASTLING][i] =
16624 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16625 } /* assume possible unless obviously impossible */
16626 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16627 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16628 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16629 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16630 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16631 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16632 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16633 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16636 while(*p==' ') p++;
16637 if(nrCastlingRights) {
16638 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16639 /* castling indicator present, so default becomes no castlings */
16640 for(i=0; i<nrCastlingRights; i++ ) {
16641 board[CASTLING][i] = NoRights;
16644 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16645 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16646 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16647 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16648 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16650 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16651 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16652 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16654 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16655 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16656 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16657 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16658 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16659 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16662 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16663 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16664 board[CASTLING][2] = whiteKingFile;
16667 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16668 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16669 board[CASTLING][2] = whiteKingFile;
16672 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16673 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16674 board[CASTLING][5] = blackKingFile;
16677 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16678 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16679 board[CASTLING][5] = blackKingFile;
16682 default: /* FRC castlings */
16683 if(c >= 'a') { /* black rights */
16684 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16685 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16686 if(i == BOARD_RGHT) break;
16687 board[CASTLING][5] = i;
16689 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16690 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16692 board[CASTLING][3] = c;
16694 board[CASTLING][4] = c;
16695 } else { /* white rights */
16696 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16697 if(board[0][i] == WhiteKing) break;
16698 if(i == BOARD_RGHT) break;
16699 board[CASTLING][2] = i;
16700 c -= AAA - 'a' + 'A';
16701 if(board[0][c] >= WhiteKing) break;
16703 board[CASTLING][0] = c;
16705 board[CASTLING][1] = c;
16709 for(i=0; i<nrCastlingRights; i++)
16710 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16711 if (appData.debugMode) {
16712 fprintf(debugFP, "FEN castling rights:");
16713 for(i=0; i<nrCastlingRights; i++)
16714 fprintf(debugFP, " %d", board[CASTLING][i]);
16715 fprintf(debugFP, "\n");
16718 while(*p==' ') p++;
16721 /* read e.p. field in games that know e.p. capture */
16722 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16723 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16725 p++; board[EP_STATUS] = EP_NONE;
16727 char c = *p++ - AAA;
16729 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16730 if(*p >= '0' && *p <='9') p++;
16731 board[EP_STATUS] = c;
16736 if(sscanf(p, "%d", &i) == 1) {
16737 FENrulePlies = i; /* 50-move ply counter */
16738 /* (The move number is still ignored) */
16745 EditPositionPasteFEN (char *fen)
16748 Board initial_position;
16750 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16751 DisplayError(_("Bad FEN position in clipboard"), 0);
16754 int savedBlackPlaysFirst = blackPlaysFirst;
16755 EditPositionEvent();
16756 blackPlaysFirst = savedBlackPlaysFirst;
16757 CopyBoard(boards[0], initial_position);
16758 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16759 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16760 DisplayBothClocks();
16761 DrawPosition(FALSE, boards[currentMove]);
16766 static char cseq[12] = "\\ ";
16769 set_cont_sequence (char *new_seq)
16774 // handle bad attempts to set the sequence
16776 return 0; // acceptable error - no debug
16778 len = strlen(new_seq);
16779 ret = (len > 0) && (len < sizeof(cseq));
16781 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16782 else if (appData.debugMode)
16783 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16788 reformat a source message so words don't cross the width boundary. internal
16789 newlines are not removed. returns the wrapped size (no null character unless
16790 included in source message). If dest is NULL, only calculate the size required
16791 for the dest buffer. lp argument indicats line position upon entry, and it's
16792 passed back upon exit.
16795 wrap (char *dest, char *src, int count, int width, int *lp)
16797 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16799 cseq_len = strlen(cseq);
16800 old_line = line = *lp;
16801 ansi = len = clen = 0;
16803 for (i=0; i < count; i++)
16805 if (src[i] == '\033')
16808 // if we hit the width, back up
16809 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16811 // store i & len in case the word is too long
16812 old_i = i, old_len = len;
16814 // find the end of the last word
16815 while (i && src[i] != ' ' && src[i] != '\n')
16821 // word too long? restore i & len before splitting it
16822 if ((old_i-i+clen) >= width)
16829 if (i && src[i-1] == ' ')
16832 if (src[i] != ' ' && src[i] != '\n')
16839 // now append the newline and continuation sequence
16844 strncpy(dest+len, cseq, cseq_len);
16852 dest[len] = src[i];
16856 if (src[i] == '\n')
16861 if (dest && appData.debugMode)
16863 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16864 count, width, line, len, *lp);
16865 show_bytes(debugFP, src, count);
16866 fprintf(debugFP, "\ndest: ");
16867 show_bytes(debugFP, dest, len);
16868 fprintf(debugFP, "\n");
16870 *lp = dest ? line : old_line;
16875 // [HGM] vari: routines for shelving variations
16876 Boolean modeRestore = FALSE;
16879 PushInner (int firstMove, int lastMove)
16881 int i, j, nrMoves = lastMove - firstMove;
16883 // push current tail of game on stack
16884 savedResult[storedGames] = gameInfo.result;
16885 savedDetails[storedGames] = gameInfo.resultDetails;
16886 gameInfo.resultDetails = NULL;
16887 savedFirst[storedGames] = firstMove;
16888 savedLast [storedGames] = lastMove;
16889 savedFramePtr[storedGames] = framePtr;
16890 framePtr -= nrMoves; // reserve space for the boards
16891 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16892 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16893 for(j=0; j<MOVE_LEN; j++)
16894 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16895 for(j=0; j<2*MOVE_LEN; j++)
16896 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16897 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16898 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16899 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16900 pvInfoList[firstMove+i-1].depth = 0;
16901 commentList[framePtr+i] = commentList[firstMove+i];
16902 commentList[firstMove+i] = NULL;
16906 forwardMostMove = firstMove; // truncate game so we can start variation
16910 PushTail (int firstMove, int lastMove)
16912 if(appData.icsActive) { // only in local mode
16913 forwardMostMove = currentMove; // mimic old ICS behavior
16916 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16918 PushInner(firstMove, lastMove);
16919 if(storedGames == 1) GreyRevert(FALSE);
16920 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16924 PopInner (Boolean annotate)
16927 char buf[8000], moveBuf[20];
16929 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16930 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16931 nrMoves = savedLast[storedGames] - currentMove;
16934 if(!WhiteOnMove(currentMove))
16935 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16936 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16937 for(i=currentMove; i<forwardMostMove; i++) {
16939 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16940 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16941 strcat(buf, moveBuf);
16942 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16943 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16947 for(i=1; i<=nrMoves; i++) { // copy last variation back
16948 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16949 for(j=0; j<MOVE_LEN; j++)
16950 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16951 for(j=0; j<2*MOVE_LEN; j++)
16952 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16953 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16954 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16955 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16956 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16957 commentList[currentMove+i] = commentList[framePtr+i];
16958 commentList[framePtr+i] = NULL;
16960 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16961 framePtr = savedFramePtr[storedGames];
16962 gameInfo.result = savedResult[storedGames];
16963 if(gameInfo.resultDetails != NULL) {
16964 free(gameInfo.resultDetails);
16966 gameInfo.resultDetails = savedDetails[storedGames];
16967 forwardMostMove = currentMove + nrMoves;
16971 PopTail (Boolean annotate)
16973 if(appData.icsActive) return FALSE; // only in local mode
16974 if(!storedGames) return FALSE; // sanity
16975 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16977 PopInner(annotate);
16978 if(currentMove < forwardMostMove) ForwardEvent(); else
16979 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16981 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16987 { // remove all shelved variations
16989 for(i=0; i<storedGames; i++) {
16990 if(savedDetails[i])
16991 free(savedDetails[i]);
16992 savedDetails[i] = NULL;
16994 for(i=framePtr; i<MAX_MOVES; i++) {
16995 if(commentList[i]) free(commentList[i]);
16996 commentList[i] = NULL;
16998 framePtr = MAX_MOVES-1;
17003 LoadVariation (int index, char *text)
17004 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17005 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17006 int level = 0, move;
17008 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17009 // first find outermost bracketing variation
17010 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17011 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17012 if(*p == '{') wait = '}'; else
17013 if(*p == '[') wait = ']'; else
17014 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17015 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17017 if(*p == wait) wait = NULLCHAR; // closing ]} found
17020 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17021 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17022 end[1] = NULLCHAR; // clip off comment beyond variation
17023 ToNrEvent(currentMove-1);
17024 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17025 // kludge: use ParsePV() to append variation to game
17026 move = currentMove;
17027 ParsePV(start, TRUE, TRUE);
17028 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17029 ClearPremoveHighlights();
17031 ToNrEvent(currentMove+1);